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-rw-r--r--libs/luci-lib-nixio/src/Makefile120
-rw-r--r--libs/luci-lib-nixio/src/address.c565
-rw-r--r--libs/luci-lib-nixio/src/axtls-compat.c297
-rw-r--r--libs/luci-lib-nixio/src/axtls-compat.h150
-rw-r--r--libs/luci-lib-nixio/src/binary.c313
-rw-r--r--libs/luci-lib-nixio/src/bind.c293
-rw-r--r--libs/luci-lib-nixio/src/bit.c149
-rw-r--r--libs/luci-lib-nixio/src/cyassl-compat.c31
-rw-r--r--libs/luci-lib-nixio/src/cyassl-compat.h32
-rw-r--r--libs/luci-lib-nixio/src/file.c402
-rw-r--r--libs/luci-lib-nixio/src/fs.c566
-rw-r--r--libs/luci-lib-nixio/src/io.c225
-rw-r--r--libs/luci-lib-nixio/src/mingw-compat.c220
-rw-r--r--libs/luci-lib-nixio/src/mingw-compat.h112
-rw-r--r--libs/luci-lib-nixio/src/nixio-tls.h53
-rw-r--r--libs/luci-lib-nixio/src/nixio.c240
-rw-r--r--libs/luci-lib-nixio/src/nixio.h133
-rw-r--r--libs/luci-lib-nixio/src/poll.c210
-rw-r--r--libs/luci-lib-nixio/src/process.c450
-rw-r--r--libs/luci-lib-nixio/src/protoent.c103
-rw-r--r--libs/luci-lib-nixio/src/socket.c173
-rw-r--r--libs/luci-lib-nixio/src/sockopt.c390
-rw-r--r--libs/luci-lib-nixio/src/splice.c185
-rw-r--r--libs/luci-lib-nixio/src/syslog.c122
-rw-r--r--libs/luci-lib-nixio/src/tls-context.c248
-rw-r--r--libs/luci-lib-nixio/src/tls-crypto.c185
-rw-r--r--libs/luci-lib-nixio/src/tls-socket.c263
-rw-r--r--libs/luci-lib-nixio/src/user.c263
28 files changed, 6493 insertions, 0 deletions
diff --git a/libs/luci-lib-nixio/src/Makefile b/libs/luci-lib-nixio/src/Makefile
new file mode 100644
index 0000000000..aaa4292bd9
--- /dev/null
+++ b/libs/luci-lib-nixio/src/Makefile
@@ -0,0 +1,120 @@
+OS = $(shell uname)
+AXTLS_VERSION = 1.2.1
+AXTLS_DIR = axTLS
+AXTLS_FILE = $(AXTLS_DIR)-$(AXTLS_VERSION).tar.gz
+#NIXIO_TLS ?= openssl
+NIXIO_SHADOW ?= $(shell echo 'int main(void){ return !getspnam("root"); }' | $(CC) $(CFLAGS) -include shadow.h -xc -o/dev/null - 2>/dev/null && echo yes)
+NIXIO_SO = nixio.so
+NIXIO_LDFLAGS = -llua -lm -ldl
+CFLAGS += -std=gnu99
+
+ifeq (,$(findstring Darwin,$(OS)))
+ NIXIO_LDFLAGS += -lcrypt -shared
+else
+ NIXIO_LDFLAGS += -bundle -undefined dynamic_lookup
+ EXTRA_CFLAGS += -D__DARWIN__
+endif
+
+NIXIO_OBJ = nixio.o socket.o sockopt.o bind.o address.o \
+ protoent.o poll.o io.o file.o splice.o process.o \
+ syslog.o bit.o binary.o fs.o user.o \
+ $(if $(NIXIO_TLS),tls-crypto.o tls-context.o tls-socket.o,)
+
+ifeq ($(NIXIO_TLS),axtls)
+ TLS_CFLAGS = -IaxTLS/ssl -IaxTLS/crypto -IaxTLS/config -include axtls-compat.h
+ TLS_DEPENDS = axtls-compat.o
+ NIXIO_OBJ += axtls-compat.o libaxtls.a
+endif
+
+ifeq ($(NIXIO_TLS),openssl)
+ NIXIO_LDFLAGS += -lssl -lcrypto
+endif
+
+ifeq ($(NIXIO_TLS),cyassl)
+ NIXIO_LDFLAGS += -lcyassl
+ TLS_DEPENDS = cyassl-compat.o
+ TLS_CFLAGS = -include cyassl-compat.h
+ NIXIO_OBJ += cyassl-compat.o
+endif
+
+ifeq ($(NIXIO_TLS),)
+ NIXIO_CFLAGS += -DNO_TLS
+endif
+
+ifneq ($(NIXIO_SHADOW),yes)
+ NIXIO_CFLAGS += -DNO_SHADOW
+endif
+
+
+ifeq ($(OS),SunOS)
+ NIXIO_LDFLAGS += -lsocket -lnsl -lsendfile
+endif
+
+ifneq (,$(findstring MINGW,$(OS))$(findstring mingw,$(OS))$(findstring Windows,$(OS)))
+ NIXIO_CROSS_CC:=$(shell which i586-mingw32msvc-cc)
+ifneq (,$(NIXIO_CROSS_CC))
+ CC:=$(NIXIO_CROSS_CC)
+endif
+ NIXIO_OBJ += mingw-compat.o
+ NIXIO_LDFLAGS_POST:=-llua -lssl -lcrypto -lws2_32 -lgdi32
+ FPIC:=
+ EXTRA_CFLAGS += -D_WIN32_WINNT=0x0501
+ LUA_CFLAGS:=
+ NIXIO_SO:=nixio.dll
+ NIXIO_LDFLAGS:=
+endif
+
+
+%.o: %.c
+ $(CC) $(CPPFLAGS) $(CFLAGS) $(NIXIO_CFLAGS) $(LUA_CFLAGS) $(FPIC) -c -o $@ $<
+
+ifneq ($(NIXIO_TLS),)
+tls-crypto.o: $(TLS_DEPENDS) tls-crypto.c
+ $(CC) $(CPPFLAGS) $(CFLAGS) $(NIXIO_CFLAGS) $(LUA_CFLAGS) $(FPIC) $(TLS_CFLAGS) -c -o $@ tls-crypto.c
+
+tls-context.o: $(TLS_DEPENDS) tls-context.c
+ $(CC) $(CPPFLAGS) $(CFLAGS) $(NIXIO_CFLAGS) $(LUA_CFLAGS) $(FPIC) $(TLS_CFLAGS) -c -o $@ tls-context.c
+
+tls-socket.o: $(TLS_DEPENDS) tls-socket.c
+ $(CC) $(CPPFLAGS) $(CFLAGS) $(NIXIO_CFLAGS) $(LUA_CFLAGS) $(FPIC) $(TLS_CFLAGS) -c -o $@ tls-socket.c
+
+axtls-compat.o: libaxtls.a axtls-compat.c
+ $(CC) $(CPPFLAGS) $(CFLAGS) $(NIXIO_CFLAGS) $(LUA_CFLAGS) $(FPIC) $(TLS_CFLAGS) -c -o $@ axtls-compat.c
+ mkdir -p dist
+ cp -pR axtls-root/* dist/
+endif
+
+compile: $(NIXIO_OBJ)
+ $(CC) $(LDFLAGS) $(SHLIB_FLAGS) -o $(NIXIO_SO) $(NIXIO_OBJ) $(NIXIO_LDFLAGS) $(NIXIO_LDFLAGS_POST)
+ mkdir -p dist/usr/lib/lua
+ cp $(NIXIO_SO) dist/usr/lib/lua/$(NIXIO_SO)
+
+$(AXTLS_DIR)/.prepared:
+ #rm -rf $(AXTLS_DIR)
+ #tar xvfz $(AXTLS_FILE)
+ cp axtls-config/.config axtls-config/config.h $(AXTLS_DIR)/config
+ touch $@
+
+libaxtls.a: $(AXTLS_DIR)/.prepared
+ $(MAKE) -C $(AXTLS_DIR) CC="$(CC)" CFLAGS="$(CFLAGS) $(EXTRA_CFLAGS) $(FPIC) -Wall -pedantic -I../config -I../ssl -I../crypto" LDFLAGS="$(LDFLAGS)" OS="$(OS)" clean all
+ cp -p $(AXTLS_DIR)/_stage/libaxtls.a src
+ # *************************************************************************
+ #
+ #
+ #
+ # *** WARNING ***
+ # The use of the axTLS cryptographical provider is discouraged!
+ # Please switch to either CyaSSL or OpenSSL.
+ # Support for axTLS might be removed in the near future.
+ #
+ #
+ #
+ #**************************************************************************
+
+clean:
+ rm -f *.o *.so *.a *.dll
+ rm -f $(AXTLS_DIR)/.prepared
+
+install: compile
+ mkdir -p $(DESTDIR)
+ cp -pR dist/* $(DESTDIR)/
diff --git a/libs/luci-lib-nixio/src/address.c b/libs/luci-lib-nixio/src/address.c
new file mode 100644
index 0000000000..4fd557d6a7
--- /dev/null
+++ b/libs/luci-lib-nixio/src/address.c
@@ -0,0 +1,565 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+#include <sys/types.h>
+#include <sys/param.h>
+#include <errno.h>
+#include <string.h>
+
+#ifdef __linux__
+
+#include <signal.h>
+#include <setjmp.h>
+#include <unistd.h>
+
+/* setjmp() / longjmp() stuff */
+static jmp_buf nixio__jump_alarm;
+static void nixio__handle_alarm(int sig) { longjmp(nixio__jump_alarm, 1); }
+
+#include <linux/netdevice.h>
+
+/* struct net_device_stats is buggy on amd64, redefine it */
+struct nixio__nds {
+ uint32_t rx_packets;
+ uint32_t tx_packets;
+ uint32_t rx_bytes;
+ uint32_t tx_bytes;
+ uint32_t rx_errors;
+ uint32_t tx_errors;
+ uint32_t rx_dropped;
+ uint32_t tx_dropped;
+ uint32_t multicast;
+ uint32_t collisions;
+
+ uint32_t rx_length_errors;
+ uint32_t rx_over_errors;
+ uint32_t rx_crc_errors;
+ uint32_t rx_frame_errors;
+ uint32_t rx_fifo_errors;
+ uint32_t rx_missed_errors;
+
+ uint32_t tx_aborted_errors;
+ uint32_t tx_carrier_errors;
+ uint32_t tx_fifo_errors;
+ uint32_t tx_heartbeat_errors;
+ uint32_t tx_window_errors;
+
+ uint32_t rx_compressed;
+ uint32_t tx_compressed;
+};
+#endif
+
+#ifndef NI_MAXHOST
+#define NI_MAXHOST 1025
+#endif
+
+/**
+ * address pushing helper
+ */
+int nixio__addr_parse(nixio_addr *addr, struct sockaddr *saddr) {
+ void *baddr;
+
+ addr->family = saddr->sa_family;
+ if (saddr->sa_family == AF_INET) {
+ struct sockaddr_in *inetaddr = (struct sockaddr_in*)saddr;
+ addr->port = ntohs(inetaddr->sin_port);
+ baddr = &inetaddr->sin_addr;
+ } else if (saddr->sa_family == AF_INET6) {
+ struct sockaddr_in6 *inet6addr = (struct sockaddr_in6*)saddr;
+ addr->port = ntohs(inet6addr->sin6_port);
+ baddr = &inet6addr->sin6_addr;
+#ifdef AF_PACKET
+ } else if (saddr->sa_family == AF_PACKET) {
+ struct sockaddr_ll *etheradddr = (struct sockaddr_ll*)saddr;
+ addr->prefix = etheradddr->sll_hatype;
+ addr->port = etheradddr->sll_ifindex;
+ char *c = addr->host;
+ for (size_t i = 0; i < etheradddr->sll_halen; i++) {
+ *c++ = nixio__bin2hex[(etheradddr->sll_addr[i] & 0xf0) >> 4];
+ *c++ = nixio__bin2hex[(etheradddr->sll_addr[i] & 0x0f)];
+ *c++ = ':';
+ }
+ *(c-1) = 0;
+ return 0;
+#endif
+ } else {
+ errno = EAFNOSUPPORT;
+ return -1;
+ }
+
+ if (!inet_ntop(saddr->sa_family, baddr, addr->host, sizeof(addr->host))) {
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
+ * address pulling helper
+ */
+int nixio__addr_write(nixio_addr *addr, struct sockaddr *saddr) {
+ if (addr->family == AF_UNSPEC) {
+ if (strchr(addr->host, ':')) {
+ addr->family = AF_INET6;
+ } else {
+ addr->family = AF_INET;
+ }
+ }
+ if (addr->family == AF_INET) {
+ struct sockaddr_in *inetaddr = (struct sockaddr_in *)saddr;
+ memset(inetaddr, 0, sizeof(struct sockaddr_in));
+
+ if (inet_pton(AF_INET, addr->host, &inetaddr->sin_addr) < 1) {
+ return -1;
+ }
+
+ inetaddr->sin_family = AF_INET;
+ inetaddr->sin_port = htons((uint16_t)addr->port);
+ return 0;
+ } else if (addr->family == AF_INET6) {
+ struct sockaddr_in6 *inet6addr = (struct sockaddr_in6 *)saddr;
+ memset(inet6addr, 0, sizeof(struct sockaddr_in6));
+
+ if (inet_pton(AF_INET6, addr->host, &inet6addr->sin6_addr) < 1) {
+ return -1;
+ }
+
+ inet6addr->sin6_family = AF_INET6;
+ inet6addr->sin6_port = htons((uint16_t)addr->port);
+ return 0;
+ } else {
+ errno = EAFNOSUPPORT;
+ return -1;
+ }
+}
+
+/**
+ * netmask to prefix helper
+ */
+int nixio__addr_prefix(struct sockaddr *saddr) {
+ int prefix = 0;
+ size_t len;
+ uint8_t *addr;
+
+ if (saddr->sa_family == AF_INET) {
+ addr = (uint8_t*)(&((struct sockaddr_in*)saddr)->sin_addr);
+ len = 4;
+ } else if (saddr->sa_family == AF_INET6) {
+ addr = (uint8_t*)(&((struct sockaddr_in6*)saddr)->sin6_addr);
+ len = 16;
+ } else {
+ errno = EAFNOSUPPORT;
+ return -1;
+ }
+
+ for (size_t i = 0; i < len; i++) {
+ if (addr[i] == 0xff) {
+ prefix += 8;
+ } else if (addr[i] == 0x00) {
+ break;
+ } else {
+ for (uint8_t c = addr[i]; c; c <<= 1) {
+ prefix++;
+ }
+ }
+ }
+
+ return prefix;
+}
+
+/**
+ * getaddrinfo(host, family, port)
+ */
+static int nixio_getaddrinfo(lua_State *L) {
+ const char *host = NULL;
+ if (!lua_isnoneornil(L, 1)) {
+ host = luaL_checklstring(L, 1, NULL);
+ }
+ const char *family = luaL_optlstring(L, 2, "any", NULL);
+ const char *port = lua_tolstring(L, 3, NULL);
+
+ struct addrinfo hints, *result, *rp;
+ memset(&hints, 0, sizeof(hints));
+
+ if (!strcmp(family, "any")) {
+ hints.ai_family = AF_UNSPEC;
+ } else if (!strcmp(family, "inet")) {
+ hints.ai_family = AF_INET;
+ } else if (!strcmp(family, "inet6")) {
+ hints.ai_family = AF_INET6;
+ } else {
+ return luaL_argerror(L, 2, "supported values: any, inet, inet6");
+ }
+
+ hints.ai_socktype = 0;
+ hints.ai_protocol = 0;
+
+ int aistat = getaddrinfo(host, port, &hints, &result);
+ if (aistat) {
+ lua_pushnil(L);
+ lua_pushinteger(L, aistat);
+ lua_pushstring(L, gai_strerror(aistat));
+ return 3;
+ }
+
+ /* create socket object */
+ lua_newtable(L);
+ int i = 1;
+
+ for (rp = result; rp != NULL; rp = rp->ai_next) {
+ /* avoid duplicate results */
+#ifndef __WINNT__
+ if (!port && rp->ai_socktype != SOCK_STREAM) {
+ continue;
+ }
+#endif
+
+ if (rp->ai_family == AF_INET || rp->ai_family == AF_INET6) {
+ lua_createtable(L, 0, port ? 4 : 2);
+ if (rp->ai_family == AF_INET) {
+ lua_pushliteral(L, "inet");
+ } else if (rp->ai_family == AF_INET6) {
+ lua_pushliteral(L, "inet6");
+ }
+ lua_setfield(L, -2, "family");
+
+ if (port) {
+ switch (rp->ai_socktype) {
+ case SOCK_STREAM:
+ lua_pushliteral(L, "stream");
+ break;
+ case SOCK_DGRAM:
+ lua_pushliteral(L, "dgram");
+ break;
+ case SOCK_RAW:
+ lua_pushliteral(L, "raw");
+ break;
+ default:
+ lua_pushnil(L);
+ break;
+ }
+ lua_setfield(L, -2, "socktype");
+ }
+
+ nixio_addr addr;
+ if (nixio__addr_parse(&addr, rp->ai_addr)) {
+ freeaddrinfo(result);
+ return nixio__perror_s(L);
+ }
+
+ if (port) {
+ lua_pushinteger(L, addr.port);
+ lua_setfield(L, -2, "port");
+ }
+
+ lua_pushstring(L, addr.host);
+ lua_setfield(L, -2, "address");
+ lua_rawseti(L, -2, i++);
+ }
+ }
+
+ freeaddrinfo(result);
+
+ return 1;
+}
+
+/**
+ * getnameinfo(address, family[, timeout])
+ */
+static int nixio_getnameinfo(lua_State *L) {
+ const char *ip = luaL_checkstring(L, 1);
+ const char *family = luaL_optstring(L, 2, NULL);
+
+#ifdef __linux__
+ struct sigaction sa_new, sa_old;
+ int timeout = luaL_optnumber(L, 3, 0);
+ if (timeout > 0 && timeout < 1000)
+ {
+ sa_new.sa_handler = nixio__handle_alarm;
+ sa_new.sa_flags = 0;
+ sigemptyset(&sa_new.sa_mask);
+ sigaction(SIGALRM, &sa_new, &sa_old);
+
+ /* user timeout exceeded */
+ if (setjmp(nixio__jump_alarm))
+ {
+ sigaction(SIGALRM, &sa_old, NULL);
+
+ lua_pushnil(L);
+ lua_pushinteger(L, EAI_AGAIN);
+ lua_pushstring(L, gai_strerror(EAI_AGAIN));
+
+ return 3;
+ }
+
+ ualarm(timeout * 1000, 0);
+ }
+#endif
+
+ char host[NI_MAXHOST];
+
+ struct sockaddr_storage saddr;
+ nixio_addr addr;
+ memset(&addr, 0, sizeof(addr));
+ strncpy(addr.host, ip, sizeof(addr.host) - 1);
+
+ if (!family) {
+ addr.family = AF_UNSPEC;
+ } else if (!strcmp(family, "inet")) {
+ addr.family = AF_INET;
+ } else if (!strcmp(family, "inet6")) {
+ addr.family = AF_INET6;
+ } else {
+ return luaL_argerror(L, 2, "supported values: inet, inet6");
+ }
+
+ nixio__addr_write(&addr, (struct sockaddr *)&saddr);
+
+ int res = getnameinfo((struct sockaddr *)&saddr, sizeof(saddr),
+ host, sizeof(host), NULL, 0, NI_NAMEREQD);
+
+#ifdef __linux__
+ if (timeout > 0 && timeout < 1000)
+ {
+ ualarm(0, 0);
+ sigaction(SIGALRM, &sa_old, NULL);
+ }
+#endif
+
+ if (res) {
+ lua_pushnil(L);
+ lua_pushinteger(L, res);
+ lua_pushstring(L, gai_strerror(res));
+ return 3;
+ } else {
+ lua_pushstring(L, host);
+ return 1;
+ }
+}
+
+/**
+ * getsockname()
+ */
+static int nixio_sock_getsockname(lua_State *L) {
+ int sockfd = nixio__checksockfd(L);
+ struct sockaddr_storage saddr;
+ socklen_t addrlen = sizeof(saddr);
+ nixio_addr addr;
+
+ if (getsockname(sockfd, (struct sockaddr*)&saddr, &addrlen) ||
+ nixio__addr_parse(&addr, (struct sockaddr*)&saddr)) {
+ return nixio__perror_s(L);
+ }
+
+ lua_pushstring(L, addr.host);
+ lua_pushinteger(L, addr.port);
+ return 2;
+}
+
+/**
+ * getpeername()
+ */
+static int nixio_sock_getpeername(lua_State *L) {
+ int sockfd = nixio__checksockfd(L);
+ struct sockaddr_storage saddr;
+ socklen_t addrlen = sizeof(saddr);
+ nixio_addr addr;
+
+ if (getpeername(sockfd, (struct sockaddr*)&saddr, &addrlen) ||
+ nixio__addr_parse(&addr, (struct sockaddr*)&saddr)) {
+ return nixio__perror_s(L);
+ }
+
+ lua_pushstring(L, addr.host);
+ lua_pushinteger(L, addr.port);
+ return 2;
+}
+
+#if defined(__linux__) || defined(BSD)
+#ifdef BSD
+#include <net/if.h>
+#endif
+#include <ifaddrs.h>
+
+static int nixio_getifaddrs(lua_State *L) {
+ nixio_addr addr;
+ struct ifaddrs *ifaddr, *c;
+ if (getifaddrs(&ifaddr) == -1) {
+ return nixio__perror(L);
+ }
+
+ lua_newtable(L);
+ unsigned int i = 1;
+
+ for (c = ifaddr; c; c = c->ifa_next) {
+ lua_newtable(L);
+
+ lua_pushstring(L, c->ifa_name);
+ lua_setfield(L, -2, "name");
+
+ lua_createtable(L, 0, 7);
+ lua_pushboolean(L, c->ifa_flags & IFF_UP);
+ lua_setfield(L, -2, "up");
+
+ lua_pushboolean(L, c->ifa_flags & IFF_BROADCAST);
+ lua_setfield(L, -2, "broadcast");
+
+ lua_pushboolean(L, c->ifa_flags & IFF_LOOPBACK);
+ lua_setfield(L, -2, "loopback");
+
+ lua_pushboolean(L, c->ifa_flags & IFF_POINTOPOINT);
+ lua_setfield(L, -2, "pointtopoint");
+
+ lua_pushboolean(L, c->ifa_flags & IFF_NOARP);
+ lua_setfield(L, -2, "noarp");
+
+ lua_pushboolean(L, c->ifa_flags & IFF_PROMISC);
+ lua_setfield(L, -2, "promisc");
+
+ lua_pushboolean(L, c->ifa_flags & IFF_MULTICAST);
+ lua_setfield(L, -2, "multicast");
+ lua_setfield(L, -2, "flags");
+
+ if (c->ifa_addr) {
+ if (!nixio__addr_parse(&addr, c->ifa_addr)) {
+ lua_pushstring(L, addr.host);
+ lua_setfield(L, -2, "addr");
+ }
+
+ if (c->ifa_addr->sa_family == AF_INET) {
+ lua_pushliteral(L, "inet");
+ } else if (c->ifa_addr->sa_family == AF_INET6) {
+ lua_pushliteral(L, "inet6");
+#ifdef AF_PACKET
+ } else if (c->ifa_addr->sa_family == AF_PACKET) {
+ lua_pushliteral(L, "packet");
+#endif
+ } else {
+ lua_pushliteral(L, "unknown");
+ }
+ lua_setfield(L, -2, "family");
+
+#ifdef __linux__
+ if (c->ifa_addr->sa_family == AF_PACKET) {
+ lua_pushinteger(L, addr.port);
+ lua_setfield(L, -2, "ifindex");
+
+ lua_pushinteger(L, addr.prefix);
+ lua_setfield(L, -2, "hatype");
+ }
+#endif
+ }
+
+#ifdef __linux__
+ if (c->ifa_data && (!c->ifa_addr
+ || c->ifa_addr->sa_family == AF_PACKET)) {
+ if (!c->ifa_addr) {
+ lua_pushliteral(L, "packet");
+ lua_setfield(L, -2, "family");
+ }
+
+ lua_createtable(L, 0, 10);
+ struct nixio__nds *stats = c->ifa_data;
+
+ lua_pushnumber(L, stats->rx_packets);
+ lua_setfield(L, -2, "rx_packets");
+
+ lua_pushnumber(L, stats->tx_packets);
+ lua_setfield(L, -2, "tx_packets");
+
+ lua_pushnumber(L, stats->rx_bytes);
+ lua_setfield(L, -2, "rx_bytes");
+
+ lua_pushnumber(L, stats->tx_bytes);
+ lua_setfield(L, -2, "tx_bytes");
+
+ lua_pushnumber(L, stats->rx_errors);
+ lua_setfield(L, -2, "rx_errors");
+
+ lua_pushnumber(L, stats->tx_errors);
+ lua_setfield(L, -2, "tx_errors");
+
+ lua_pushnumber(L, stats->rx_dropped);
+ lua_setfield(L, -2, "rx_dropped");
+
+ lua_pushnumber(L, stats->tx_dropped);
+ lua_setfield(L, -2, "tx_dropped");
+
+ lua_pushnumber(L, stats->multicast);
+ lua_setfield(L, -2, "multicast");
+
+ lua_pushnumber(L, stats->collisions);
+ lua_setfield(L, -2, "collisions");
+ } else {
+ lua_newtable(L);
+ }
+ lua_setfield(L, -2, "data");
+#endif
+
+ if (c->ifa_netmask && !nixio__addr_parse(&addr, c->ifa_netmask)) {
+ lua_pushstring(L, addr.host);
+ lua_setfield(L, -2, "netmask");
+
+ lua_pushinteger(L, nixio__addr_prefix(c->ifa_netmask));
+ lua_setfield(L, -2, "prefix");
+ }
+
+ if (c->ifa_broadaddr && !nixio__addr_parse(&addr, c->ifa_broadaddr)) {
+ lua_pushstring(L, addr.host);
+ lua_setfield(L, -2, "broadaddr");
+ }
+
+ if (c->ifa_dstaddr && !nixio__addr_parse(&addr, c->ifa_dstaddr)) {
+ lua_pushstring(L, addr.host);
+ lua_setfield(L, -2, "dstaddr");
+ }
+
+ lua_rawseti(L, -2, i++);
+ }
+
+ freeifaddrs(ifaddr);
+ return 1;
+}
+#endif
+
+
+/* module table */
+static const luaL_reg R[] = {
+#if defined(__linux__) || defined(BSD)
+ {"getifaddrs", nixio_getifaddrs},
+#endif
+ {"getaddrinfo", nixio_getaddrinfo},
+ {"getnameinfo", nixio_getnameinfo},
+ {NULL, NULL}
+};
+
+/* object table */
+static const luaL_reg M[] = {
+ {"getsockname", nixio_sock_getsockname},
+ {"getpeername", nixio_sock_getpeername},
+ {NULL, NULL}
+};
+
+void nixio_open_address(lua_State *L) {
+ luaL_register(L, NULL, R);
+
+ lua_pushvalue(L, -2);
+ luaL_register(L, NULL, M);
+ lua_pop(L, 1);
+}
diff --git a/libs/luci-lib-nixio/src/axtls-compat.c b/libs/luci-lib-nixio/src/axtls-compat.c
new file mode 100644
index 0000000000..2c5b746c2d
--- /dev/null
+++ b/libs/luci-lib-nixio/src/axtls-compat.c
@@ -0,0 +1,297 @@
+/*
+ * Copyright (c) 2007, Cameron Rich
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * * Neither the name of the axTLS project nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Enable a subset of openssl compatible functions. We don't aim to be 100%
+ * compatible - just to be able to do basic ports etc.
+ *
+ * Only really tested on mini_httpd, so I'm not too sure how extensive this
+ * port is.
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include "ssl.h"
+
+static char *key_password = NULL;
+
+void *SSLv23_server_method(void) { return NULL; }
+void *SSLv3_server_method(void) { return NULL; }
+void *TLSv1_server_method(void) { return NULL; }
+void *SSLv23_client_method(void) { return NULL; }
+void *SSLv3_client_method(void) { return NULL; }
+void *TLSv1_client_method(void) { return NULL; }
+void *SSLv23_method(void) { return NULL; }
+void *TLSv1_method(void) { return NULL; }
+
+SSL_CTX * SSL_CTX_new(void *meth)
+{
+ SSL_CTX *ssl_ctx = ssl_ctx_new(SSL_SERVER_VERIFY_LATER, 5);
+ return ssl_ctx;
+}
+
+void SSL_CTX_free(SSL_CTX * ssl_ctx)
+{
+ ssl_ctx_free(ssl_ctx);
+}
+
+SSL * SSL_new(SSL_CTX *ssl_ctx)
+{
+ SSL *ssl;
+
+ ssl = ssl_new(ssl_ctx, -1); /* fd is set later */
+
+ return ssl;
+}
+
+int SSL_set_fd(SSL *s, int fd)
+{
+ s->client_fd = fd;
+ return 1; /* always succeeds */
+}
+
+int SSL_accept(SSL *ssl)
+{
+ ssl->next_state = HS_CLIENT_HELLO;
+ while (ssl_read(ssl, NULL) == SSL_OK)
+ {
+ if (ssl->next_state == HS_CLIENT_HELLO)
+ return 1; /* we're done */
+ }
+
+ return -1;
+}
+
+int SSL_connect(SSL *ssl)
+{
+ SET_SSL_FLAG(SSL_IS_CLIENT);
+ int stat = do_client_connect(ssl);
+ ssl_display_error(stat);
+ return (stat == SSL_OK) ? 1 : -1;
+}
+
+void SSL_free(SSL *ssl)
+{
+ ssl_free(ssl);
+}
+
+int SSL_read(SSL *ssl, void *buf, int num)
+{
+ uint8_t *read_buf;
+ int ret;
+
+ while ((ret = ssl_read(ssl, &read_buf)) == SSL_OK);
+
+ if (ret > SSL_OK)
+ {
+ memcpy(buf, read_buf, ret > num ? num : ret);
+ }
+
+ return ret;
+}
+
+int SSL_write(SSL *ssl, const void *buf, int num)
+{
+ return ssl_write(ssl, buf, num);
+}
+
+int SSL_CTX_use_certificate_file(SSL_CTX *ssl_ctx, const char *file, int type)
+{
+ return (ssl_obj_load(ssl_ctx, SSL_OBJ_X509_CERT, file, NULL) == SSL_OK);
+}
+
+int SSL_CTX_use_PrivateKey_file(SSL_CTX *ssl_ctx, const char *file, int type)
+{
+ return (ssl_obj_load(ssl_ctx, SSL_OBJ_RSA_KEY, file, key_password) == SSL_OK);
+}
+
+int SSL_CTX_use_certificate_ASN1(SSL_CTX *ssl_ctx, int len, const uint8_t *d)
+{
+ return (ssl_obj_memory_load(ssl_ctx,
+ SSL_OBJ_X509_CERT, d, len, NULL) == SSL_OK);
+}
+
+int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx,
+ unsigned int sid_ctx_len)
+{
+ return 1;
+}
+
+int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
+{
+ return 1;
+}
+
+int SSL_CTX_use_certificate_chain_file(SSL_CTX *ssl_ctx, const char *file)
+{
+ return (ssl_obj_load(ssl_ctx,
+ SSL_OBJ_X509_CERT, file, NULL) == SSL_OK);
+}
+
+int SSL_shutdown(SSL *ssl)
+{
+ return 1;
+}
+
+/*** get/set session ***/
+SSL_SESSION *SSL_get1_session(SSL *ssl)
+{
+ return (SSL_SESSION *)ssl_get_session_id(ssl); /* note: wrong cast */
+}
+
+int SSL_set_session(SSL *ssl, SSL_SESSION *session)
+{
+ memcpy(ssl->session_id, (uint8_t *)session, SSL_SESSION_ID_SIZE);
+ return 1;
+}
+
+void SSL_SESSION_free(SSL_SESSION *session) { }
+/*** end get/set session ***/
+
+long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
+{
+ return 0;
+}
+
+void SSL_CTX_set_verify(SSL_CTX *ctx, int mode,
+ int (*verify_callback)(int, void *)) {
+ if (mode & SSL_VERIFY_PEER) {
+ ctx->options &= ~SSL_SERVER_VERIFY_LATER;
+ ctx->options |= SSL_CLIENT_AUTHENTICATION;
+ } else {
+ ctx->options |= SSL_SERVER_VERIFY_LATER;
+ ctx->options &= ~SSL_CLIENT_AUTHENTICATION;
+ }
+}
+
+void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth) { }
+
+int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
+ const char *CApath)
+{
+ return 1;
+}
+
+void *SSL_load_client_CA_file(const char *file)
+{
+ return (void *)file;
+}
+
+void SSL_CTX_set_client_CA_list(SSL_CTX *ssl_ctx, void *file)
+{
+
+ ssl_obj_load(ssl_ctx, SSL_OBJ_X509_CERT, (const char *)file, NULL);
+}
+
+void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, void *cb) { }
+
+void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u)
+{
+ key_password = (char *)u;
+}
+
+int SSL_peek(SSL *ssl, void *buf, int num)
+{
+ memcpy(buf, ssl->bm_data, num);
+ return num;
+}
+
+void SSL_set_bio(SSL *ssl, void *rbio, void *wbio) { }
+
+long SSL_get_verify_result(const SSL *ssl)
+{
+ return ssl_handshake_status(ssl);
+}
+
+int SSL_state(SSL *ssl)
+{
+ return 0x03; // ok state
+}
+
+/** end of could do better list */
+
+void *SSL_get_peer_certificate(const SSL *ssl)
+{
+ return &ssl->ssl_ctx->certs[0];
+}
+
+int SSL_clear(SSL *ssl)
+{
+ return 1;
+}
+
+
+int SSL_CTX_check_private_key(const SSL_CTX *ctx)
+{
+ return 1;
+}
+
+int SSL_CTX_set_cipher_list(SSL_CTX *s, const char *str)
+{
+ return 1;
+}
+
+int SSL_get_error(const SSL *ssl, int ret)
+{
+ ssl_display_error(ret);
+ return ret; /* TODO: return proper return code */
+}
+
+void SSL_CTX_set_options(SSL_CTX *ssl_ctx, int option) {}
+int SSL_library_init(void ) { return 1; }
+void SSL_load_error_strings(void ) {}
+void ERR_print_errors_fp(FILE *fp) {}
+
+long SSL_CTX_get_timeout(const SSL_CTX *ssl_ctx) {
+ return CONFIG_SSL_EXPIRY_TIME*3600; }
+long SSL_CTX_set_timeout(SSL_CTX *ssl_ctx, long t) {
+ return SSL_CTX_get_timeout(ssl_ctx); }
+void BIO_printf(FILE *f, const char *format, ...)
+{
+ va_list(ap);
+ va_start(ap, format);
+ vfprintf(f, format, ap);
+ va_end(ap);
+}
+
+void* BIO_s_null(void) { return NULL; }
+FILE *BIO_new(bio_func_type_t func)
+{
+ if (func == BIO_s_null)
+ return fopen("/dev/null", "r");
+ else
+ return NULL;
+}
+
+FILE *BIO_new_fp(FILE *stream, int close_flag) { return stream; }
+int BIO_free(FILE *a) { if (a != stdout && a != stderr) fclose(a); return 1; }
diff --git a/libs/luci-lib-nixio/src/axtls-compat.h b/libs/luci-lib-nixio/src/axtls-compat.h
new file mode 100644
index 0000000000..aee24f56c8
--- /dev/null
+++ b/libs/luci-lib-nixio/src/axtls-compat.h
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2007, Cameron Rich
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * * Neither the name of the axTLS project nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Enable a subset of openssl compatible functions. We don't aim to be 100%
+ * compatible - just to be able to do basic ports etc.
+ *
+ * Only really tested on mini_httpd, so I'm not too sure how extensive this
+ * port is.
+ */
+
+#include "nixio.h"
+#include "config.h"
+
+#define WITH_AXTLS 1
+#define WITHOUT_OPENSSL 1
+#define SSL_OP_NO_SSLv3 0x02000000L
+#define SSL_OP_NO_SSLv2 0x01000000L
+#define SSL_FILETYPE_PEM 1
+#define SSL_FILETYPE_ASN1 2
+#define SSL_VERIFY_NONE 0x00
+#define SSL_VERIFY_PEER 0x01
+#define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02
+#define SSL_VERIFY_CLIENT_ONCE 0x03
+#define MD5_DIGEST_LENGTH 16
+#define SHA_DIGEST_LENGTH 20
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include "ssl.h"
+
+typedef SHA1_CTX SHA_CTX;
+
+void *SSLv23_server_method(void);
+void *SSLv3_server_method(void);
+void *TLSv1_server_method(void);
+void *SSLv23_client_method(void);
+void *SSLv3_client_method(void);
+void *TLSv1_client_method(void);
+void *SSLv23_method(void);
+void *TLSv1_method(void);
+
+
+typedef void * (*ssl_func_type_t)(void);
+typedef void * (*bio_func_type_t)(void);
+
+SSL_CTX * SSL_CTX_new(void *meth);
+void SSL_CTX_free(SSL_CTX * ssl_ctx);
+SSL * SSL_new(SSL_CTX *ssl_ctx);
+int SSL_set_fd(SSL *s, int fd);
+int SSL_accept(SSL *ssl);
+int SSL_connect(SSL *ssl);
+void SSL_free(SSL *ssl);
+int SSL_read(SSL *ssl, void *buf, int num);
+int SSL_write(SSL *ssl, const void *buf, int num);
+int SSL_CTX_use_certificate_file(SSL_CTX *ssl_ctx, const char *file, int type);
+int SSL_CTX_use_PrivateKey_file(SSL_CTX *ssl_ctx, const char *file, int type);
+int SSL_CTX_use_certificate_ASN1(SSL_CTX *ssl_ctx, int len, const uint8_t *d);
+int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx,
+ unsigned int sid_ctx_len);
+int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
+int SSL_CTX_use_certificate_chain_file(SSL_CTX *ssl_ctx, const char *file);
+int SSL_shutdown(SSL *ssl);
+
+/*** get/set session ***/
+SSL_SESSION *SSL_get1_session(SSL *ssl);
+int SSL_set_session(SSL *ssl, SSL_SESSION *session);
+void SSL_SESSION_free(SSL_SESSION *session);
+/*** end get/set session ***/
+
+long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg);
+void SSL_CTX_set_verify(SSL_CTX *ctx, int mode,
+ int (*verify_callback)(int, void *));
+
+void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth);
+
+int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
+ const char *CApath);
+
+void *SSL_load_client_CA_file(const char *file);
+
+void SSL_CTX_set_client_CA_list(SSL_CTX *ssl_ctx, void *file);
+
+void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, void *cb);
+
+void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
+
+int SSL_peek(SSL *ssl, void *buf, int num);
+
+void SSL_set_bio(SSL *ssl, void *rbio, void *wbio);
+
+long SSL_get_verify_result(const SSL *ssl);
+
+int SSL_state(SSL *ssl);
+
+/** end of could do better list */
+
+void *SSL_get_peer_certificate(const SSL *ssl);
+
+int SSL_clear(SSL *ssl);
+
+
+int SSL_CTX_check_private_key(const SSL_CTX *ctx);
+
+int SSL_CTX_set_cipher_list(SSL_CTX *s, const char *str);
+
+int SSL_get_error(const SSL *ssl, int ret);
+
+void SSL_CTX_set_options(SSL_CTX *ssl_ctx, int option);
+int SSL_library_init(void );
+void SSL_load_error_strings(void );
+void ERR_print_errors_fp(FILE *fp);
+
+long SSL_CTX_get_timeout(const SSL_CTX *ssl_ctx);
+long SSL_CTX_set_timeout(SSL_CTX *ssl_ctx, long t);
+void BIO_printf(FILE *f, const char *format, ...);
+
+void* BIO_s_null(void);
+FILE *BIO_new(bio_func_type_t func);
+
+FILE *BIO_new_fp(FILE *stream, int close_flag);
+int BIO_free(FILE *a);
diff --git a/libs/luci-lib-nixio/src/binary.c b/libs/luci-lib-nixio/src/binary.c
new file mode 100644
index 0000000000..2c41622280
--- /dev/null
+++ b/libs/luci-lib-nixio/src/binary.c
@@ -0,0 +1,313 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+#include <stdlib.h>
+
+const char nixio__bin2hex[16] = {
+'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
+};
+
+static unsigned char nixio__b64encode_tbl[] =
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+static unsigned char nixio__b64decode_tbl[] = {
+ 0x3e, 0xff, 0xff, 0xff, 0x3f, 0x34, 0x35, 0x36,
+ 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0xff,
+ 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0x01,
+ 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
+ 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11,
+ 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1a, 0x1b,
+ 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
+ 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b,
+ 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33
+};
+
+static const uint32_t nixio__crc32_tbl[] = {
+ 0x00000000U, 0x77073096U, 0xee0e612cU, 0x990951baU, 0x076dc419U,
+ 0x706af48fU, 0xe963a535U, 0x9e6495a3U, 0x0edb8832U, 0x79dcb8a4U,
+ 0xe0d5e91eU, 0x97d2d988U, 0x09b64c2bU, 0x7eb17cbdU, 0xe7b82d07U,
+ 0x90bf1d91U, 0x1db71064U, 0x6ab020f2U, 0xf3b97148U, 0x84be41deU,
+ 0x1adad47dU, 0x6ddde4ebU, 0xf4d4b551U, 0x83d385c7U, 0x136c9856U,
+ 0x646ba8c0U, 0xfd62f97aU, 0x8a65c9ecU, 0x14015c4fU, 0x63066cd9U,
+ 0xfa0f3d63U, 0x8d080df5U, 0x3b6e20c8U, 0x4c69105eU, 0xd56041e4U,
+ 0xa2677172U, 0x3c03e4d1U, 0x4b04d447U, 0xd20d85fdU, 0xa50ab56bU,
+ 0x35b5a8faU, 0x42b2986cU, 0xdbbbc9d6U, 0xacbcf940U, 0x32d86ce3U,
+ 0x45df5c75U, 0xdcd60dcfU, 0xabd13d59U, 0x26d930acU, 0x51de003aU,
+ 0xc8d75180U, 0xbfd06116U, 0x21b4f4b5U, 0x56b3c423U, 0xcfba9599U,
+ 0xb8bda50fU, 0x2802b89eU, 0x5f058808U, 0xc60cd9b2U, 0xb10be924U,
+ 0x2f6f7c87U, 0x58684c11U, 0xc1611dabU, 0xb6662d3dU, 0x76dc4190U,
+ 0x01db7106U, 0x98d220bcU, 0xefd5102aU, 0x71b18589U, 0x06b6b51fU,
+ 0x9fbfe4a5U, 0xe8b8d433U, 0x7807c9a2U, 0x0f00f934U, 0x9609a88eU,
+ 0xe10e9818U, 0x7f6a0dbbU, 0x086d3d2dU, 0x91646c97U, 0xe6635c01U,
+ 0x6b6b51f4U, 0x1c6c6162U, 0x856530d8U, 0xf262004eU, 0x6c0695edU,
+ 0x1b01a57bU, 0x8208f4c1U, 0xf50fc457U, 0x65b0d9c6U, 0x12b7e950U,
+ 0x8bbeb8eaU, 0xfcb9887cU, 0x62dd1ddfU, 0x15da2d49U, 0x8cd37cf3U,
+ 0xfbd44c65U, 0x4db26158U, 0x3ab551ceU, 0xa3bc0074U, 0xd4bb30e2U,
+ 0x4adfa541U, 0x3dd895d7U, 0xa4d1c46dU, 0xd3d6f4fbU, 0x4369e96aU,
+ 0x346ed9fcU, 0xad678846U, 0xda60b8d0U, 0x44042d73U, 0x33031de5U,
+ 0xaa0a4c5fU, 0xdd0d7cc9U, 0x5005713cU, 0x270241aaU, 0xbe0b1010U,
+ 0xc90c2086U, 0x5768b525U, 0x206f85b3U, 0xb966d409U, 0xce61e49fU,
+ 0x5edef90eU, 0x29d9c998U, 0xb0d09822U, 0xc7d7a8b4U, 0x59b33d17U,
+ 0x2eb40d81U, 0xb7bd5c3bU, 0xc0ba6cadU, 0xedb88320U, 0x9abfb3b6U,
+ 0x03b6e20cU, 0x74b1d29aU, 0xead54739U, 0x9dd277afU, 0x04db2615U,
+ 0x73dc1683U, 0xe3630b12U, 0x94643b84U, 0x0d6d6a3eU, 0x7a6a5aa8U,
+ 0xe40ecf0bU, 0x9309ff9dU, 0x0a00ae27U, 0x7d079eb1U, 0xf00f9344U,
+ 0x8708a3d2U, 0x1e01f268U, 0x6906c2feU, 0xf762575dU, 0x806567cbU,
+ 0x196c3671U, 0x6e6b06e7U, 0xfed41b76U, 0x89d32be0U, 0x10da7a5aU,
+ 0x67dd4accU, 0xf9b9df6fU, 0x8ebeeff9U, 0x17b7be43U, 0x60b08ed5U,
+ 0xd6d6a3e8U, 0xa1d1937eU, 0x38d8c2c4U, 0x4fdff252U, 0xd1bb67f1U,
+ 0xa6bc5767U, 0x3fb506ddU, 0x48b2364bU, 0xd80d2bdaU, 0xaf0a1b4cU,
+ 0x36034af6U, 0x41047a60U, 0xdf60efc3U, 0xa867df55U, 0x316e8eefU,
+ 0x4669be79U, 0xcb61b38cU, 0xbc66831aU, 0x256fd2a0U, 0x5268e236U,
+ 0xcc0c7795U, 0xbb0b4703U, 0x220216b9U, 0x5505262fU, 0xc5ba3bbeU,
+ 0xb2bd0b28U, 0x2bb45a92U, 0x5cb36a04U, 0xc2d7ffa7U, 0xb5d0cf31U,
+ 0x2cd99e8bU, 0x5bdeae1dU, 0x9b64c2b0U, 0xec63f226U, 0x756aa39cU,
+ 0x026d930aU, 0x9c0906a9U, 0xeb0e363fU, 0x72076785U, 0x05005713U,
+ 0x95bf4a82U, 0xe2b87a14U, 0x7bb12baeU, 0x0cb61b38U, 0x92d28e9bU,
+ 0xe5d5be0dU, 0x7cdcefb7U, 0x0bdbdf21U, 0x86d3d2d4U, 0xf1d4e242U,
+ 0x68ddb3f8U, 0x1fda836eU, 0x81be16cdU, 0xf6b9265bU, 0x6fb077e1U,
+ 0x18b74777U, 0x88085ae6U, 0xff0f6a70U, 0x66063bcaU, 0x11010b5cU,
+ 0x8f659effU, 0xf862ae69U, 0x616bffd3U, 0x166ccf45U, 0xa00ae278U,
+ 0xd70dd2eeU, 0x4e048354U, 0x3903b3c2U, 0xa7672661U, 0xd06016f7U,
+ 0x4969474dU, 0x3e6e77dbU, 0xaed16a4aU, 0xd9d65adcU, 0x40df0b66U,
+ 0x37d83bf0U, 0xa9bcae53U, 0xdebb9ec5U, 0x47b2cf7fU, 0x30b5ffe9U,
+ 0xbdbdf21cU, 0xcabac28aU, 0x53b39330U, 0x24b4a3a6U, 0xbad03605U,
+ 0xcdd70693U, 0x54de5729U, 0x23d967bfU, 0xb3667a2eU, 0xc4614ab8U,
+ 0x5d681b02U, 0x2a6f2b94U, 0xb40bbe37U, 0xc30c8ea1U, 0x5a05df1bU,
+ 0x2d02ef8dU
+};
+
+static int nixio_bin_crc32(lua_State *L) {
+ size_t len;
+ const char *buffer = luaL_checklstring(L, 1, &len);
+ uint32_t value = luaL_optinteger(L, 2, 0);
+
+ value = ~value;
+ for (size_t i=0; i<len; i++) {
+ value = nixio__crc32_tbl[(value ^ buffer[i]) & 0xffU ] ^ (value >> 8);
+ }
+
+ lua_pushinteger(L, (int)(value ^ 0xffffffffU));
+ return 1;
+}
+
+static int nixio_bin_hexlify(lua_State *L) {
+ size_t len, lenout;
+ luaL_checktype(L, 1, LUA_TSTRING);
+ const unsigned char *data = (unsigned char*)lua_tolstring(L, 1, &len);
+
+ if (len == 0) {
+ lua_pushvalue(L, 1);
+ return 1;
+ }
+
+ lenout = len * 2;
+ luaL_argcheck(L, lenout > len, 1, "size overflow");
+
+ char *out = malloc(lenout);
+ if (!out) {
+ return luaL_error(L, NIXIO_OOM);
+ }
+
+ for (size_t i=0; i < len; i++) {
+ out[2*i] = nixio__bin2hex[(data[i] & 0xf0) >> 4];
+ out[2*i+1] = nixio__bin2hex[(data[i] & 0x0f)];
+ }
+
+ lua_pushlstring(L, out, lenout);
+ free(out);
+
+ return 1;
+}
+
+
+static int nixio_bin_unhexlify(lua_State *L) {
+ size_t len, lenout;
+ const char *data = luaL_checklstring(L, 1, &len);
+
+ if (len == 0) {
+ lua_pushvalue(L, 1);
+ return 1;
+ } else if (len % 2) {
+ errno = EINVAL;
+ return nixio__perror(L);
+ }
+
+ lenout = len / 2;
+ char *out = malloc(lenout);
+ if (!out) {
+ return luaL_error(L, NIXIO_OOM);
+ }
+
+ for (size_t i=0; i < lenout; i++) {
+ char c = data[2*i];
+ if (c >= '0' && c <= '9') {
+ out[i] = (c - '0') << 4;
+ } else if (c >= 'a' && c <= 'f') {
+ out[i] = (c - 'a' + 10) << 4;
+ } else if (data[2*i] >= 'A' && c <= 'F') {
+ out[i] = (c - 'A' + 10) << 4;
+ } else {
+ free(out);
+ errno = EINVAL;
+ return nixio__perror(L);
+ }
+
+ c = data[2*i+1];
+ if (c >= '0' && c <= '9') {
+ out[i] += c - '0';
+ } else if (c >= 'a' && c <= 'f') {
+ out[i] += c - 'a' + 10;
+ } else if (c >= 'A' && c <= 'F') {
+ out[i] += c - 'A' + 10;
+ } else {
+ free(out);
+ errno = EINVAL;
+ return nixio__perror(L);
+ }
+ }
+
+ lua_pushlstring(L, out, lenout);
+ free(out);
+
+ return 1;
+}
+
+static int nixio_bin_b64encode(lua_State *L) {
+ size_t len, lenout, pad, i;
+ const uint8_t *data = (const uint8_t*)luaL_checklstring(L, 1, &len);
+
+ lenout = len / 3;
+ lenout *= 4;
+
+ pad = len % 3;
+
+ if (len == 0) {
+ lua_pushvalue(L, 1);
+ return 1;
+ } else if (pad) {
+ lenout += 4;
+ }
+
+ luaL_argcheck(L, lenout > len, 1, "size overflow");
+
+ char *out = malloc(lenout);
+ if (!out) {
+ return luaL_error(L, NIXIO_OOM);
+ }
+
+ uint8_t *o = (uint8_t*)out;
+ for (i = 0; i < len; i += 3) {
+ uint32_t cv = (data[i] << 16) | (data[i+1] << 8) | data[i+2];
+ *(o+3) = nixio__b64encode_tbl[ cv & 0x3f];
+ *(o+2) = nixio__b64encode_tbl[(cv >> 6) & 0x3f];
+ *(o+1) = nixio__b64encode_tbl[(cv >> 12) & 0x3f];
+ *o = nixio__b64encode_tbl[(cv >> 18) & 0x3f];
+ o += 4;
+ }
+
+ if (pad) {
+ uint32_t cv = data[len-pad] << 16;
+ *(o-1) = '=';
+ *(o-2) = '=';
+ if (pad == 2) {
+ cv |= data[len-pad+1] << 8;
+ *(o-2) = nixio__b64encode_tbl[(cv >> 6) & 0x3f];
+ }
+ *(o-3) = nixio__b64encode_tbl[(cv >> 12) & 0x3f];
+ *(o-4) = nixio__b64encode_tbl[(cv >> 18) & 0x3f];
+ }
+
+ lua_pushlstring(L, out, lenout);
+ free(out);
+ return 1;
+}
+
+static int nixio_bin_b64decode(lua_State *L) {
+ size_t len, lenout, i;
+ const char *dt = luaL_checklstring(L, 1, &len);
+
+ if (len == 0) {
+ lua_pushvalue(L, 1);
+ return 1;
+ } else if (len % 4) {
+ errno = EINVAL;
+ return nixio__perror(L);
+ }
+
+ lenout = len / 4 * 3;
+
+ unsigned char *out = malloc(lenout);
+ if (!out) {
+ return luaL_error(L, NIXIO_OOM);
+ }
+
+ unsigned char *o = out;
+ for (i = 0; i < len; i += 4) {
+ uint32_t cv = 0;
+ for (int j = 0; j < 4; j++) {
+ unsigned char c = dt[i + j] - 43;
+ if (c > 79 || (c = nixio__b64decode_tbl[c]) == 0xff) {
+ free(out);
+ errno = EINVAL;
+ return nixio__perror(L);
+ }
+
+ cv |= c;
+ if (j != 3) {
+ cv <<= 6;
+ }
+ }
+
+ *(o+2) = (unsigned char)(cv & 0xff);
+ *(o+1) = (unsigned char)((cv >> 8) & 0xff);
+ *o = (unsigned char)((cv >> 16) & 0xff);
+ o += 3;
+ }
+
+ if (dt[len-1] == '=') {
+ lenout--;
+ }
+
+ if (dt[len-2] == '=') {
+ lenout--;
+ }
+
+ lua_pushlstring(L, (char*)out, lenout);
+ free(out);
+ return 1;
+}
+
+/* module table */
+static const luaL_reg R[] = {
+ {"hexlify", nixio_bin_hexlify},
+ {"unhexlify", nixio_bin_unhexlify},
+ {"crc32", nixio_bin_crc32},
+ {"b64encode", nixio_bin_b64encode},
+ {"b64decode", nixio_bin_b64decode},
+ {NULL, NULL}
+};
+
+
+void nixio_open_bin(lua_State *L) {
+ lua_newtable(L);
+ luaL_register(L, NULL, R);
+ lua_setfield(L, -2, "bin");
+}
diff --git a/libs/luci-lib-nixio/src/bind.c b/libs/luci-lib-nixio/src/bind.c
new file mode 100644
index 0000000000..68e1df8a8c
--- /dev/null
+++ b/libs/luci-lib-nixio/src/bind.c
@@ -0,0 +1,293 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+#include <sys/types.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+
+
+/**
+ * connect()/bind() shortcut
+ */
+static int nixio__bind_connect(lua_State *L, int do_bind) {
+ const char *host = NULL;
+ if (!lua_isnoneornil(L, 1)) {
+ host = luaL_checklstring(L, 1, NULL);
+ }
+ const char *port = luaL_checklstring(L, 2, NULL);
+ const char *family = luaL_optlstring(L, 3, "any", NULL);
+ const char *socktype = luaL_optlstring(L, 4, "stream", NULL);
+
+ struct addrinfo hints, *result, *rp;
+ memset(&hints, 0, sizeof(hints));
+
+ if (!strcmp(family, "any")) {
+ hints.ai_family = AF_UNSPEC;
+ } else if (!strcmp(family, "inet")) {
+ hints.ai_family = AF_INET;
+ } else if (!strcmp(family, "inet6")) {
+ hints.ai_family = AF_INET6;
+ } else {
+ return luaL_argerror(L, 3, "supported values: any, inet, inet6");
+ }
+
+ if (!strcmp(socktype, "any")) {
+ hints.ai_socktype = 0;
+ } else if (!strcmp(socktype, "stream")) {
+ hints.ai_socktype = SOCK_STREAM;
+ } else if (!strcmp(socktype, "dgram")) {
+ hints.ai_socktype = SOCK_DGRAM;
+ } else {
+ return luaL_argerror(L, 4, "supported values: any, stream, dgram");
+ }
+
+ if (do_bind) {
+ hints.ai_flags |= AI_PASSIVE;
+ }
+
+ hints.ai_protocol = 0;
+
+ int aistat = getaddrinfo(host, port, &hints, &result);
+ if (aistat) {
+ lua_pushnil(L);
+ lua_pushinteger(L, aistat);
+ lua_pushstring(L, gai_strerror(aistat));
+ return 3;
+ }
+
+ /* create socket object */
+ nixio_sock *sock = lua_newuserdata(L, sizeof(nixio_sock));
+ int status = -1, clstat;
+
+ for (rp = result; rp != NULL; rp = rp->ai_next) {
+ sock->fd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
+ if (sock->fd == -1) {
+ continue;
+ }
+
+ if (do_bind) {
+ int one = 1;
+ setsockopt(sock->fd, SOL_SOCKET, SO_REUSEADDR,
+ (char*)&one, sizeof(one));
+ status = bind(sock->fd, rp->ai_addr, rp->ai_addrlen);
+ } else {
+ do {
+ status = connect(sock->fd, rp->ai_addr, rp->ai_addrlen);
+ } while (status == -1 && errno == EINTR);
+ }
+
+ /* on success */
+ if (!status) {
+ sock->domain = rp->ai_family;
+ sock->type = rp->ai_socktype;
+ sock->protocol = rp->ai_protocol;
+ break;
+ }
+
+ do {
+#ifndef __WINNT__
+ clstat = close(sock->fd);
+#else
+ clstat = closesocket(sock->fd);
+#endif
+ } while (clstat == -1 && errno == EINTR);
+ }
+
+ freeaddrinfo(result);
+
+ /* on failure */
+ if (status) {
+ return nixio__perror_s(L);
+ }
+
+ luaL_getmetatable(L, NIXIO_META);
+ lua_setmetatable(L, -2);
+
+ return 1;
+}
+
+/**
+ * bind(host, port, [family=any], [type=any]) shortcut
+ */
+static int nixio_bind(lua_State *L) {
+ return nixio__bind_connect(L, 1);
+}
+
+/**
+ * connect(host, port, [family=any], [type=any]) shortcut
+ */
+static int nixio_connect(lua_State *L) {
+ return nixio__bind_connect(L, 0);
+}
+
+/**
+ * bind()/connect() helper
+ */
+static int nixio_sock__bind_connect(lua_State *L, int do_bind) {
+ nixio_sock *sock = nixio__checksock(L);
+ int status = -1;
+
+ if (sock->domain == AF_INET || sock->domain == AF_INET6) {
+ const char *host = NULL;
+ if (!lua_isnoneornil(L, 2)) {
+ host = luaL_checklstring(L, 2, NULL);
+ }
+ const char *port = luaL_checklstring(L, 3, NULL);
+
+ struct addrinfo hints, *result, *rp;
+
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_family = sock->domain;
+ hints.ai_socktype = sock->type;
+ hints.ai_protocol = sock->protocol;
+
+ if (do_bind) {
+ hints.ai_flags |= AI_PASSIVE;
+ }
+
+ int aistat = getaddrinfo(host, port, &hints, &result);
+ if (aistat) {
+ lua_pushnil(L);
+ lua_pushinteger(L, aistat);
+ lua_pushstring(L, gai_strerror(aistat));
+ return 3;
+ }
+
+ for (rp = result; rp != NULL; rp = rp->ai_next) {
+ if (do_bind) {
+ status = bind(sock->fd, rp->ai_addr, rp->ai_addrlen);
+ } else {
+ do {
+ status = connect(sock->fd, rp->ai_addr, rp->ai_addrlen);
+ } while (status == -1 && errno == EINTR);
+ }
+
+ /* on success */
+ if (!status || errno == EINPROGRESS) {
+ break;
+ }
+ }
+
+ freeaddrinfo(result);
+#ifndef __WINNT__
+ } else if (sock->domain == AF_UNIX) {
+ size_t pathlen;
+ const char *path = luaL_checklstring(L, 2, &pathlen);
+
+ struct sockaddr_un addr;
+ addr.sun_family = AF_UNIX;
+ luaL_argcheck(L, pathlen <= sizeof(addr.sun_path), 2, "out of range");
+ memcpy(addr.sun_path, path, pathlen);
+ socklen_t alen = sizeof(sa_family_t) + pathlen;
+
+ if (do_bind) {
+ status = bind(sock->fd, (struct sockaddr*)&addr, alen);
+ } else {
+ do {
+ status = connect(sock->fd, (struct sockaddr*)&addr, alen);
+ } while (status == -1 && errno == EINTR);
+ }
+#endif
+ } else {
+ return luaL_error(L, "not supported");
+ }
+ return nixio__pstatus_s(L, !status);
+}
+
+/**
+ * bind()
+ */
+static int nixio_sock_bind(lua_State *L) {
+ return nixio_sock__bind_connect(L, 1);
+}
+
+/**
+ * connect()
+ */
+static int nixio_sock_connect(lua_State *L) {
+ return nixio_sock__bind_connect(L, 0);
+}
+
+/**
+ * listen()
+ */
+static int nixio_sock_listen(lua_State *L) {
+ int sockfd = nixio__checksockfd(L);
+ int backlog = luaL_checkinteger(L, 2);
+ return nixio__pstatus_s(L, !listen(sockfd, backlog));
+}
+
+/**
+ * accept()
+ */
+static int nixio_sock_accept(lua_State *L) {
+ nixio_sock *sock = nixio__checksock(L);
+ struct sockaddr_storage saddr;
+ nixio_addr addr;
+ socklen_t saddrlen = sizeof(saddr);
+ int newfd;
+
+ do {
+ newfd = accept(sock->fd, (struct sockaddr *)&saddr, &saddrlen);
+ } while (newfd == -1 && errno == EINTR);
+ if (newfd < 0) {
+ return nixio__perror_s(L);
+ }
+
+ /* create userdata */
+ nixio_sock *clsock = lua_newuserdata(L, sizeof(nixio_sock));
+ luaL_getmetatable(L, NIXIO_META);
+ lua_setmetatable(L, -2);
+
+ memcpy(clsock, sock, sizeof(clsock));
+ clsock->fd = newfd;
+
+ if (!nixio__addr_parse(&addr, (struct sockaddr *)&saddr)) {
+ lua_pushstring(L, addr.host);
+ lua_pushinteger(L, addr.port);
+ return 3;
+ } else {
+ return 1;
+ }
+}
+
+/* module table */
+static const luaL_reg R[] = {
+ {"bind", nixio_bind},
+ {"connect", nixio_connect},
+ {NULL, NULL}
+};
+
+/* object table */
+static const luaL_reg M[] = {
+ {"bind", nixio_sock_bind},
+ {"connect", nixio_sock_connect},
+ {"listen", nixio_sock_listen},
+ {"accept", nixio_sock_accept},
+ {NULL, NULL}
+};
+
+void nixio_open_bind(lua_State *L) {
+ luaL_register(L, NULL, R);
+
+ lua_pushvalue(L, -2);
+ luaL_register(L, NULL, M);
+ lua_pop(L, 1);
+}
diff --git a/libs/luci-lib-nixio/src/bit.c b/libs/luci-lib-nixio/src/bit.c
new file mode 100644
index 0000000000..1b352c51c5
--- /dev/null
+++ b/libs/luci-lib-nixio/src/bit.c
@@ -0,0 +1,149 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+#include <stdint.h>
+#include <stdlib.h>
+
+/* 52 bit maximum precision */
+#ifdef NIXIO_DOUBLE
+#define NIXIO_BIT_BMAX 52
+#define NIXIO_BIT_NMAX 0xfffffffffffff
+#else
+#define NIXIO_BIT_BMAX 32
+#define NIXIO_BIT_NMAX 0xffffffff
+#endif
+
+#define NIXIO_BIT_XOP(BIT_XOP) \
+ uint64_t oper = nixio__checknumber(L, 1); \
+ const int args = lua_gettop(L); \
+ \
+ for (int i = 2; i <= args; i++) { \
+ uint64_t oper2 = nixio__checknumber(L, i); \
+ oper BIT_XOP oper2; \
+ } \
+ \
+ nixio__pushnumber(L, oper); \
+ return 1; \
+
+
+static int nixio_bit_or(lua_State *L) {
+ NIXIO_BIT_XOP(|=);
+}
+
+static int nixio_bit_and(lua_State *L) {
+ NIXIO_BIT_XOP(&=);
+}
+
+static int nixio_bit_xor(lua_State *L) {
+ NIXIO_BIT_XOP(^=);
+}
+
+static int nixio_bit_unset(lua_State *L) {
+ NIXIO_BIT_XOP(&= ~);
+}
+
+static int nixio_bit_not(lua_State *L) {
+ nixio__pushnumber(L,
+ (~((uint64_t)nixio__checknumber(L, 1))) & NIXIO_BIT_NMAX);
+ return 1;
+}
+
+static int nixio_bit_shl(lua_State *L) {
+ uint64_t oper = nixio__checknumber(L, 1);
+ oper <<= luaL_checkinteger(L, 2);
+ if (oper > NIXIO_BIT_NMAX) {
+ return luaL_error(L, "arithmetic overflow");
+ } else {
+ nixio__pushnumber(L, oper);
+ return 1;
+ }
+}
+
+static int nixio_bit_ashr(lua_State *L) {
+ int64_t oper = nixio__checknumber(L, 1);
+ nixio__pushnumber(L, oper >> luaL_checkinteger(L, 2));
+ return 1;
+}
+
+static int nixio_bit_shr(lua_State *L) {
+ uint64_t oper = nixio__checknumber(L, 1);
+ nixio__pushnumber(L, oper >> luaL_checkinteger(L, 2));
+ return 1;
+}
+
+static int nixio_bit_div(lua_State *L) {
+ uint64_t oper = luaL_checknumber(L, 1);
+ const int args = lua_gettop(L);
+
+ for (int i = 2; i <= args; i++) {
+ uint64_t oper2 = nixio__checknumber(L, i);
+ oper /= oper2;
+ }
+
+ nixio__pushnumber(L, oper);
+ return 1;
+}
+
+static int nixio_bit_check(lua_State *L) {
+ uint64_t oper = nixio__checknumber(L, 1);
+ uint64_t oper2 = nixio__checknumber(L, 2);
+ lua_pushboolean(L, (oper & oper2) == oper2);
+ return 1;
+}
+
+static int nixio_bit_cast(lua_State *L) {
+ nixio__pushnumber(L, ((uint64_t)nixio__checknumber(L, 1)) & NIXIO_BIT_NMAX);
+ return 1;
+}
+
+static int nixio_bit_swap(lua_State *L) {
+ uint64_t op = nixio__checknumber(L, 1);
+ op = (op >> 24) | ((op >> 8) & 0xff00) | ((op & 0xff00) << 8) | (op << 24);
+ nixio__pushnumber(L, op);
+ return 1;
+}
+
+/* module table */
+static const luaL_reg R[] = {
+ {"bor", nixio_bit_or},
+ {"set", nixio_bit_or},
+ {"band", nixio_bit_and},
+ {"bxor", nixio_bit_xor},
+ {"unset", nixio_bit_unset},
+ {"bnot", nixio_bit_not},
+ {"rshift", nixio_bit_shr},
+ {"arshift", nixio_bit_ashr},
+ {"lshift", nixio_bit_shl},
+ {"div", nixio_bit_div},
+ {"check", nixio_bit_check},
+ {"cast", nixio_bit_cast},
+ {"tobit", nixio_bit_cast},
+ {"bswap", nixio_bit_swap},
+ {NULL, NULL}
+};
+
+void nixio_open_bit(lua_State *L) {
+ lua_newtable(L);
+ luaL_register(L, NULL, R);
+ nixio__pushnumber(L, NIXIO_BIT_BMAX);
+ lua_setfield(L, -2, "bits");
+ nixio__pushnumber(L, NIXIO_BIT_NMAX);
+ lua_setfield(L, -2, "max");
+ lua_setfield(L, -2, "bit");
+}
diff --git a/libs/luci-lib-nixio/src/cyassl-compat.c b/libs/luci-lib-nixio/src/cyassl-compat.c
new file mode 100644
index 0000000000..a483119ac9
--- /dev/null
+++ b/libs/luci-lib-nixio/src/cyassl-compat.c
@@ -0,0 +1,31 @@
+#include "cyassl-compat.h"
+
+int MD5_Init(MD5_CTX *md5) {
+ InitMd5(md5);
+ return 1;
+}
+
+int MD5_Update(MD5_CTX *md5, void *input, unsigned long sz) {
+ Md5Update(md5, input, (word32)sz);
+ return 1;
+}
+
+int MD5_Final(void *input, MD5_CTX *md5) {
+ Md5Final(md5, input);
+ return 1;
+}
+
+int SHA1_Init(SHA_CTX *sha) {
+ InitSha(sha);
+ return 1;
+}
+
+int SHA1_Update(SHA_CTX *sha, void *input, unsigned long sz) {
+ ShaUpdate(sha, input, (word32)sz);
+ return 1;
+}
+
+int SHA1_Final(void *input, SHA_CTX *sha) {
+ ShaFinal(sha, input);
+ return 1;
+}
diff --git a/libs/luci-lib-nixio/src/cyassl-compat.h b/libs/luci-lib-nixio/src/cyassl-compat.h
new file mode 100644
index 0000000000..b2cdc92331
--- /dev/null
+++ b/libs/luci-lib-nixio/src/cyassl-compat.h
@@ -0,0 +1,32 @@
+#define WITH_CYASSL
+#define WITHOUT_OPENSSL
+#include <openssl/ssl.h>
+
+typedef unsigned int word32;
+
+
+#define MD5_DIGEST_LENGTH 16
+typedef struct MD5_CTX {
+ int dummy[24];
+} MD5_CTX;
+
+void InitMd5(MD5_CTX*);
+void Md5Update(MD5_CTX*, void*, word32);
+void Md5Final(MD5_CTX*, void*);
+
+
+#define SHA_DIGEST_LENGTH 20
+typedef struct SHA_CTX {
+ int dummy[24];
+} SHA_CTX;
+
+void InitSha(SHA_CTX*);
+void ShaUpdate(SHA_CTX*, void*, word32);
+void ShaFinal(SHA_CTX*, void*);
+
+int MD5_Init(MD5_CTX *md5);
+int MD5_Update(MD5_CTX *md5, void *input, unsigned long sz);
+int MD5_Final(void *input, MD5_CTX *md5);
+int SHA1_Init(SHA_CTX *md5);
+int SHA1_Update(SHA_CTX *sha, void *input, unsigned long sz);
+int SHA1_Final(void *input, SHA_CTX *sha);
diff --git a/libs/luci-lib-nixio/src/file.c b/libs/luci-lib-nixio/src/file.c
new file mode 100644
index 0000000000..b86e040e1d
--- /dev/null
+++ b/libs/luci-lib-nixio/src/file.c
@@ -0,0 +1,402 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/param.h>
+
+
+static int nixio_open(lua_State *L) {
+ const char *filename = luaL_checklstring(L, 1, NULL);
+ int flags;
+
+ if (lua_isnoneornil(L, 2)) {
+ flags = O_RDONLY;
+ } else if (lua_isnumber(L, 2)) {
+ flags = lua_tointeger(L, 2);
+ } else if (lua_isstring(L, 2)) {
+ const char *str = lua_tostring(L, 2);
+ if (!strcmp(str, "r")) {
+ flags = O_RDONLY;
+ } else if (!strcmp(str, "r+")) {
+ flags = O_RDWR;
+ } else if (!strcmp(str, "w")) {
+ flags = O_WRONLY | O_CREAT | O_TRUNC;
+ } else if (!strcmp(str, "w+")) {
+ flags = O_RDWR | O_CREAT | O_TRUNC;
+ } else if (!strcmp(str, "a")) {
+ flags = O_WRONLY | O_CREAT | O_APPEND;
+ } else if (!strcmp(str, "a+")) {
+ flags = O_RDWR | O_CREAT | O_APPEND;
+ } else {
+ return luaL_argerror(L, 2, "supported values: r, r+, w, w+, a, a+");
+ }
+ } else {
+ return luaL_argerror(L, 2, "open flags or string expected");
+ }
+
+ int fd;
+
+ do {
+ fd = open(filename, flags, nixio__check_mode(L, 3, 0666));
+ } while (fd == -1 && errno == EINTR);
+ if (fd == -1) {
+ return nixio__perror(L);
+ }
+
+ int *udata = lua_newuserdata(L, sizeof(int));
+ if (!udata) {
+ return luaL_error(L, "out of memory");
+ }
+
+ *udata = fd;
+
+ luaL_getmetatable(L, NIXIO_FILE_META);
+ lua_setmetatable(L, -2);
+
+ return 1;
+}
+
+static int nixio_open_flags(lua_State *L) {
+ int mode = 0;
+ const int j = lua_gettop(L);
+ for (int i=1; i<=j; i++) {
+ const char *flag = luaL_checkstring(L, i);
+ if (!strcmp(flag, "append")) {
+ mode |= O_APPEND;
+ } else if (!strcmp(flag, "creat")) {
+ mode |= O_CREAT;
+ } else if (!strcmp(flag, "excl")) {
+ mode |= O_EXCL;
+ } else if (!strcmp(flag, "nonblock") || !strcmp(flag, "ndelay")) {
+#ifndef __WINNT__
+ mode |= O_NONBLOCK;
+#endif
+ } else if (!strcmp(flag, "sync")) {
+#ifndef __WINNT__
+ mode |= O_SYNC;
+#endif
+ } else if (!strcmp(flag, "trunc")) {
+ mode |= O_TRUNC;
+ } else if (!strcmp(flag, "rdonly")) {
+ mode |= O_RDONLY;
+ } else if (!strcmp(flag, "wronly")) {
+ mode |= O_WRONLY;
+ } else if (!strcmp(flag, "rdwr")) {
+ mode |= O_RDWR;
+ } else {
+ return luaL_argerror(L, i, "supported values: append, creat, "
+ "excl, nonblock, ndelay, sync, trunc");
+ }
+ }
+ lua_pushinteger(L, mode);
+ return 1;
+}
+
+static int nixio_dup(lua_State *L) {
+ int oldfd = nixio__checkfd(L, 1);
+ int newfd = (lua_gettop(L) > 1) ? nixio__checkfd(L, 2) : -1;
+ int stat = (newfd == -1) ? dup(oldfd) : dup2(oldfd, newfd);
+
+ if (stat == -1) {
+ return nixio__perror(L);
+ } else {
+ if (newfd == -1) {
+ int *udata = lua_newuserdata(L, sizeof(int));
+ if (!udata) {
+ return luaL_error(L, "out of memory");
+ }
+
+ *udata = stat;
+ luaL_getmetatable(L, NIXIO_FILE_META);
+ lua_setmetatable(L, -2);
+ } else {
+ lua_pushvalue(L, 2);
+ }
+ return 1;
+ }
+}
+
+static int nixio_pipe(lua_State *L) {
+ int pipefd[2], *udata;
+ if (pipe(pipefd)) {
+ return nixio__perror(L);
+ }
+
+ luaL_getmetatable(L, NIXIO_FILE_META);
+ udata = lua_newuserdata(L, sizeof(int));
+ if (!udata) {
+ return luaL_error(L, "out of memory");
+ }
+
+ *udata = pipefd[0];
+ lua_pushvalue(L, -2);
+ lua_setmetatable(L, -2);
+
+
+ udata = lua_newuserdata(L, sizeof(int));
+ if (!udata) {
+ return luaL_error(L, "out of memory");
+ }
+
+ *udata = pipefd[1];
+ lua_pushvalue(L, -3);
+ lua_setmetatable(L, -2);
+
+ return 2;
+}
+
+static int nixio_file_write(lua_State *L) {
+ int fd = nixio__checkfd(L, 1);
+ size_t len;
+ ssize_t sent;
+ const char *data = luaL_checklstring(L, 2, &len);
+
+ if (lua_gettop(L) > 2) {
+ int offset = luaL_optint(L, 3, 0);
+ if (offset) {
+ if (offset < len) {
+ data += offset;
+ len -= offset;
+ } else {
+ len = 0;
+ }
+ }
+
+ unsigned int wlen = luaL_optint(L, 4, len);
+ if (wlen < len) {
+ len = wlen;
+ }
+ }
+
+ do {
+ sent = write(fd, data, len);
+ } while(sent == -1 && errno == EINTR);
+ if (sent >= 0) {
+ lua_pushinteger(L, sent);
+ return 1;
+ } else {
+ return nixio__perror(L);
+ }
+}
+
+static int nixio_file_read(lua_State *L) {
+ int fd = nixio__checkfd(L, 1);
+ char buffer[NIXIO_BUFFERSIZE];
+ uint req = luaL_checkinteger(L, 2);
+ int readc;
+
+ /* We limit the readsize to NIXIO_BUFFERSIZE */
+ req = (req > NIXIO_BUFFERSIZE) ? NIXIO_BUFFERSIZE : req;
+
+ do {
+ readc = read(fd, buffer, req);
+ } while (readc == -1 && errno == EINTR);
+
+ if (readc < 0) {
+ return nixio__perror(L);
+ } else {
+ lua_pushlstring(L, buffer, readc);
+ return 1;
+ }
+}
+
+
+static int nixio_file_seek(lua_State *L) {
+ int fd = nixio__checkfd(L, 1);
+ off_t len = (off_t)nixio__checknumber(L, 2);
+ int whence;
+ const char *whstr = luaL_optlstring(L, 3, "set", NULL);
+ if (!strcmp(whstr, "set")) {
+ whence = SEEK_SET;
+ } else if (!strcmp(whstr, "cur")) {
+ whence = SEEK_CUR;
+ } else if (!strcmp(whstr, "end")) {
+ whence = SEEK_END;
+ } else {
+ return luaL_argerror(L, 3, "supported values: set, cur, end");
+ }
+ len = lseek(fd, len, whence);
+ if (len == -1) {
+ return nixio__perror(L);
+ } else {
+ nixio__pushnumber(L, len);
+ return 1;
+ }
+}
+
+static int nixio_file_tell(lua_State *L) {
+ int fd = nixio__checkfd(L, 1);
+ off_t pos = lseek(fd, 0, SEEK_CUR);
+ if (pos < 0) {
+ return nixio__perror(L);
+ } else {
+ nixio__pushnumber(L, pos);
+ return 1;
+ }
+}
+
+static int nixio_file_stat(lua_State *L) {
+ nixio_stat_t buf;
+ if (fstat(nixio__checkfd(L, 1), &buf)) {
+ return nixio__perror(L);
+ } else {
+ nixio__push_stat(L, &buf);
+ if (lua_isstring(L, 2)) {
+ lua_getfield(L, -1, lua_tostring(L, 2));
+ }
+ return 1;
+ }
+}
+
+static int nixio_file_sync(lua_State *L) {
+ int fd = nixio__checkfd(L, 1);
+ int stat;
+#if (!defined BSD && !defined __WINNT__)
+ int dataonly = lua_toboolean(L, 2);
+ do {
+ stat = (dataonly) ? fdatasync(fd) : fsync(fd);
+ } while (stat == -1 && errno == EINTR);
+ return nixio__pstatus(L, !stat);
+#else
+ do {
+ stat = fsync(fd);
+ } while (stat == -1 && errno == EINTR);
+ return nixio__pstatus(L, !stat);
+#endif
+}
+
+static int nixio_file_lock(lua_State *L) {
+ int fd = nixio__checkfd(L, 1);
+ const char *flag = luaL_checkstring(L, 2);
+ off_t len = (off_t)nixio__optnumber(L, 3, 0);
+ int stat;
+
+ int cmd = 0;
+ if (!strcmp(flag, "lock")) {
+ cmd = F_LOCK;
+ } else if (!strcmp(flag, "tlock")) {
+ cmd = F_TLOCK;
+ } else if (!strcmp(flag, "ulock")) {
+ cmd = F_ULOCK;
+ } else if (!strcmp(flag, "test")) {
+ cmd = F_TEST;
+ } else {
+ return luaL_argerror(L, 2,
+ "supported values: lock, tlock, ulock, test");
+ }
+
+ do {
+ stat = lockf(fd, cmd, len);
+ } while (stat == -1 && errno == EINTR);
+
+ return nixio__pstatus(L, !stat);
+}
+
+static int nixio_file_close(lua_State *L) {
+ int *fdp = luaL_checkudata(L, 1, NIXIO_FILE_META);
+ luaL_argcheck(L, *fdp != -1, 1, "invalid file object");
+ int res;
+ do {
+ res = close(*fdp);
+ } while (res == -1 && errno == EINTR);
+ *fdp = -1;
+ return nixio__pstatus(L, !res);
+}
+
+static int nixio_file__gc(lua_State *L) {
+ int *fdp = luaL_checkudata(L, 1, NIXIO_FILE_META);
+ int res;
+ if (*fdp > 2) {
+ do {
+ res = close(*fdp);
+ } while (res == -1 && errno == EINTR);
+ *fdp = -1;
+ }
+ return 0;
+}
+
+/**
+ * string representation
+ */
+static int nixio_file__tostring(lua_State *L) {
+ lua_pushfstring(L, "nixio file %d", nixio__tofd(L, 1));
+ return 1;
+}
+
+/* method table */
+static const luaL_reg M[] = {
+ {"write", nixio_file_write},
+ {"read", nixio_file_read},
+ {"tell", nixio_file_tell},
+ {"seek", nixio_file_seek},
+ {"stat", nixio_file_stat},
+ {"sync", nixio_file_sync},
+ {"lock", nixio_file_lock},
+ {"close", nixio_file_close},
+ {"__gc", nixio_file__gc},
+ {"__tostring", nixio_file__tostring},
+ {NULL, NULL}
+};
+
+/* module table */
+static const luaL_reg R[] = {
+ {"dup", nixio_dup},
+ {"open", nixio_open},
+ {"open_flags", nixio_open_flags},
+ {"pipe", nixio_pipe},
+ {NULL, NULL}
+};
+
+void nixio_open_file(lua_State *L) {
+ luaL_register(L, NULL, R);
+
+ luaL_newmetatable(L, NIXIO_FILE_META);
+ luaL_register(L, NULL, M);
+ lua_pushvalue(L, -1);
+ lua_setfield(L, -2, "__index");
+
+ int *uin = lua_newuserdata(L, sizeof(int));
+ int *uout = lua_newuserdata(L, sizeof(int));
+ int *uerr = lua_newuserdata(L, sizeof(int));
+
+ if (!uin || !uout || !uerr) {
+ luaL_error(L, "out of memory");
+ }
+
+ *uin = STDIN_FILENO;
+ *uout = STDOUT_FILENO;
+ *uerr = STDERR_FILENO;
+
+ for (int i = -4; i < -1; i++) {
+ lua_pushvalue(L, -4);
+ lua_setmetatable(L, i);
+ }
+
+ lua_setfield(L, -5, "stderr");
+ lua_setfield(L, -4, "stdout");
+ lua_setfield(L, -3, "stdin");
+ lua_setfield(L, -2, "meta_file");
+}
diff --git a/libs/luci-lib-nixio/src/fs.c b/libs/luci-lib-nixio/src/fs.c
new file mode 100644
index 0000000000..12ca111ac0
--- /dev/null
+++ b/libs/luci-lib-nixio/src/fs.c
@@ -0,0 +1,566 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+#include <libgen.h>
+#include <string.h>
+#include <unistd.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <dirent.h>
+
+/* Reads argument from given index and transforms it into a mode bitfield */
+int nixio__check_mode(lua_State *L, int idx, int def) {
+ if (lua_isnoneornil(L, idx) && def > 0) {
+ return def;
+ } else if (lua_isstring(L, idx) && lua_objlen(L, idx) == 9) {
+ int mode = 0;
+ const char *modestr = lua_tostring(L, idx);
+ int i;
+ for (i=0; i<9; i++) {
+ if (i % 3 == 0) { /* read flags */
+ if (modestr[i] == 'r') {
+ mode |= 1 << (8 - i);
+ } else if (modestr[i] != '-') {
+ break;
+ }
+ } else if (i % 3 == 1) { /* write flags */
+ if (modestr[i] == 'w') {
+ mode |= 1 << (8 - i);
+ } else if (modestr[i] != '-') {
+ break;
+ }
+ } else if (i == 2) {
+ if (modestr[i] == 'x') {
+ mode |= 00100;
+ } else if (modestr[i] == 's') {
+ mode |= 04100;
+ } else if (modestr[i] == 'S') {
+ mode |= 04000;
+ } else if (modestr[i] != '-') {
+ break;
+ }
+ } else if (i == 5) {
+ if (modestr[i] == 'x') {
+ mode |= 00010;
+ } else if (modestr[i] == 's') {
+ mode |= 02010;
+ } else if (modestr[i] == 'S') {
+ mode |= 02000;
+ } else if (modestr[i] != '-') {
+ break;
+ }
+ } else if (i == 8) {
+ if (modestr[i] == 'x') {
+ mode |= 00001;
+ } else if (modestr[i] == 't') {
+ mode |= 01001;
+ } else if (modestr[i] == 'T') {
+ mode |= 01000;
+ } else if (modestr[i] != '-') {
+ break;
+ }
+ }
+ }
+ if (i == 9) { /* successfully parsed */
+ return mode;
+ }
+ } else if (lua_isnumber(L, idx)) {
+ int decmode = lua_tointeger(L, idx);
+ int s = (decmode % 10000) / 1000;
+ int u = (decmode % 1000) / 100;
+ int g = (decmode % 100) / 10;
+ int o = (decmode % 10);
+
+ if (s>=0 && s<=7 && u>=0 && u<=7 && g>=0 && g<=7 && o>=0 && o<=7) {
+ return (s << 9) + (u << 6) + (g << 3) + o;
+ }
+ }
+
+ return luaL_argerror(L, idx, "supported values: [0-7]?[0-7][0-7][0-7], "
+ "[-r][-w][-xsS][-r][-w][-xsS][-r][-w][-xtT]");
+}
+
+/* Transforms a mode into the modestring */
+int nixio__mode_write(int mode, char *modestr) {
+ if (modestr) {
+ modestr[0] = (mode & 00400) ? 'r' : '-';
+ modestr[1] = (mode & 00200) ? 'w' : '-';
+ modestr[2] = ((mode & 04100) == 04100) ? 's' :
+ (mode & 04000) ? 'S' : (mode & 00100) ? 'x' : '-';
+ modestr[3] = (mode & 00040) ? 'r' : '-';
+ modestr[4] = (mode & 00020) ? 'w' : '-';
+ modestr[5] = ((mode & 02010) == 02010) ? 's' :
+ (mode & 02000) ? 'S' : (mode & 00010) ? 'x' : '-';
+ modestr[6] = (mode & 00004) ? 'r' : '-';
+ modestr[7] = (mode & 00002) ? 'w' : '-';
+ modestr[8] = ((mode & 01001) == 01001) ? 't' :
+ (mode & 01000) ? 'T' : (mode & 00001) ? 'x' : '-';
+ }
+
+ return (mode & 00007) + ((mode & 00070) >> 3) * 10 +
+ ((mode & 00700) >> 6) * 100 + ((mode & 07000) >> 9) * 1000;
+}
+
+static int nixio_access(lua_State *L) {
+ const char *path = luaL_checkstring(L, 1);
+ int mode = F_OK;
+
+ for (const char *s = luaL_optstring(L, 2, "f"); *s; s++) {
+ if (*s == 'r') {
+ mode |= R_OK;
+ } else if (*s == 'w') {
+ mode |= W_OK;
+ } else if (*s == 'x') {
+ mode |= X_OK;
+ } else if (*s != 'f') {
+ return luaL_argerror(L, 2, "supported values: [frwx]");
+ }
+ }
+
+ return nixio__pstatus(L, !access(path, mode));
+}
+
+static int nixio_basename(lua_State *L) {
+ const char *path = luaL_checkstring(L, 1);
+ char base[PATH_MAX];
+ base[PATH_MAX-1] = 0;
+
+ strncpy(base, path, PATH_MAX-1);
+ lua_pushstring(L, basename(base));
+ return 1;
+}
+
+static int nixio_dirname(lua_State *L) {
+ const char *path = luaL_checkstring(L, 1);
+ char base[PATH_MAX];
+ base[PATH_MAX-1] = 0;
+
+ strncpy(base, path, PATH_MAX-1);
+ lua_pushstring(L, dirname(base));
+ return 1;
+}
+
+static int nixio_realpath(lua_State *L) {
+ const char *path = luaL_checkstring(L, 1);
+ char real[PATH_MAX];
+
+ if (!realpath(path, real)) {
+ return nixio__perror(L);
+ } else {
+ lua_pushstring(L, real);
+ return 1;
+ }
+}
+
+static int nixio_remove(lua_State *L) {
+ return nixio__pstatus(L, !remove(luaL_checkstring(L, 1)));
+}
+
+static int nixio_unlink(lua_State *L) {
+ return nixio__pstatus(L, !unlink(luaL_checkstring(L, 1)));
+}
+
+static int nixio_rename(lua_State *L) {
+ return nixio__pstatus(L,
+ !rename(luaL_checkstring(L, 1), luaL_checkstring(L, 2)));
+}
+
+static int nixio_rmdir(lua_State *L) {
+ return nixio__pstatus(L, !rmdir(luaL_checkstring(L, 1)));
+}
+
+static int nixio_mkdir(lua_State *L) {
+ return nixio__pstatus(L,
+ !mkdir(luaL_checkstring(L, 1), nixio__check_mode(L, 2, 0777)));
+}
+
+static int nixio_chmod(lua_State *L) {
+ return nixio__pstatus(L,
+ !chmod(luaL_checkstring(L, 1), nixio__check_mode(L, 2, -1)));
+}
+
+static int nixio_dir__gc(lua_State *L) {
+ DIR **dirp = lua_touserdata(L, 1);
+ if (dirp && *dirp) {
+ closedir(*dirp);
+ *dirp = NULL;
+ }
+ return 0;
+}
+
+static int nixio_dir__iter(lua_State *L) {
+ DIR **dirp = lua_touserdata(L, lua_upvalueindex(1));
+ struct dirent *entry;
+ const char *n = NULL;
+
+ if (*dirp) {
+ do {
+ entry = readdir(*dirp);
+ n = (entry) ? entry->d_name : NULL;
+ } while(n && n[0] == '.' && (n[1] == 0 || (n[1] == '.' && n[2] == 0)));
+ }
+
+ if (n) {
+ lua_pushstring(L, n);
+ } else {
+ if (*dirp) {
+ closedir(*dirp);
+ *dirp = NULL;
+ }
+ lua_pushnil(L);
+ }
+
+ return 1;
+}
+
+static int nixio_dir(lua_State *L) {
+ const char *path = luaL_optstring(L, 1, ".");
+ DIR **dirp = lua_newuserdata(L, sizeof(DIR *));
+
+ *dirp = opendir(path);
+ if (!*dirp) {
+ return nixio__perror(L);
+ } else {
+ luaL_getmetatable(L, NIXIO_DIR_META);
+ lua_setmetatable(L, -2);
+ lua_pushcclosure(L, nixio_dir__iter, 1);
+ return 1;
+ }
+}
+
+static int nixio_link(lua_State *L) {
+ return nixio__pstatus(L,
+ !link(luaL_checkstring(L, 1), luaL_checkstring(L, 2)));
+}
+
+static int nixio_utimes(lua_State *L) {
+ const char *path = luaL_checkstring(L, 1);
+ if (lua_gettop(L) < 2 || (lua_isnoneornil(L, 2) && lua_isnoneornil(L, 3))) {
+ return nixio__pstatus(L, !utimes(path, NULL));
+ } else {
+ double atime = nixio__checknumber(L, 2);
+ double mtime = nixio__optnumber(L, 3, atime);
+ struct timeval times[2];
+
+ times[0].tv_sec = atime;
+ times[0].tv_usec = 0;
+ times[1].tv_sec = mtime;
+ times[1].tv_usec = 0;
+
+ return nixio__pstatus(L, !utimes(path, times));
+ }
+}
+
+int nixio__push_stat(lua_State *L, nixio_stat_t *buf) {
+ lua_createtable(L, 0, 15);
+
+ lua_pushinteger(L, buf->st_dev);
+ lua_setfield(L, -2, "dev");
+
+ lua_pushinteger(L, buf->st_ino);
+ lua_setfield(L, -2, "ino");
+
+ if (S_ISREG(buf->st_mode)) {
+ lua_pushliteral(L, "reg");
+ } else if (S_ISDIR(buf->st_mode)) {
+ lua_pushliteral(L, "dir");
+ } else if (S_ISCHR(buf->st_mode)) {
+ lua_pushliteral(L, "chr");
+ } else if (S_ISBLK(buf->st_mode)) {
+ lua_pushliteral(L, "blk");
+ } else if (S_ISFIFO(buf->st_mode)) {
+ lua_pushliteral(L, "fifo");
+ } else if (S_ISLNK(buf->st_mode)) {
+ lua_pushliteral(L, "lnk");
+ } else if (S_ISSOCK(buf->st_mode)) {
+ lua_pushliteral(L, "sock");
+ } else {
+ lua_pushliteral(L, "unknown");
+ }
+ lua_setfield(L, -2, "type");
+
+ char modestr[9];
+ lua_pushinteger(L, nixio__mode_write(buf->st_mode, modestr));
+ lua_setfield(L, -2, "modedec");
+
+ lua_pushlstring(L, modestr, 9);
+ lua_setfield(L, -2, "modestr");
+
+ lua_pushinteger(L, buf->st_nlink);
+ lua_setfield(L, -2, "nlink");
+
+ lua_pushinteger(L, buf->st_uid);
+ lua_setfield(L, -2, "uid");
+
+ lua_pushinteger(L, buf->st_gid);
+ lua_setfield(L, -2, "gid");
+
+ lua_pushinteger(L, buf->st_rdev);
+ lua_setfield(L, -2, "rdev");
+
+ nixio__pushnumber(L, buf->st_size);
+ lua_setfield(L, -2, "size");
+
+ lua_pushinteger(L, buf->st_atime);
+ lua_setfield(L, -2, "atime");
+
+ lua_pushinteger(L, buf->st_mtime);
+ lua_setfield(L, -2, "mtime");
+
+ lua_pushinteger(L, buf->st_ctime);
+ lua_setfield(L, -2, "ctime");
+
+#ifndef __WINNT__
+ lua_pushinteger(L, buf->st_blksize);
+ lua_setfield(L, -2, "blksize");
+
+ lua_pushinteger(L, buf->st_blocks);
+ lua_setfield(L, -2, "blocks");
+#endif
+
+ return 1;
+}
+
+static int nixio_stat(lua_State *L) {
+ nixio_stat_t buf;
+ if (stat(luaL_checkstring(L, 1), &buf)) {
+ return nixio__perror(L);
+ } else {
+ nixio__push_stat(L, &buf);
+ if (lua_isstring(L, 2)) {
+ lua_getfield(L, -1, lua_tostring(L, 2));
+ }
+ return 1;
+ }
+}
+
+static int nixio_lstat(lua_State *L) {
+ nixio_stat_t buf;
+ if (stat(luaL_checkstring(L, 1), &buf)) {
+ return nixio__perror(L);
+ } else {
+ nixio__push_stat(L, &buf);
+ if (lua_isstring(L, 2)) {
+ lua_getfield(L, -1, lua_tostring(L, 2));
+ }
+ return 1;
+ }
+}
+
+#ifndef __WINNT__
+
+static int nixio_chown(lua_State *L) {
+ return nixio__pstatus(L,
+ !chown(
+ luaL_checkstring(L, 1),
+ lua_isnoneornil(L, 2) ? -1 : nixio__check_user(L, 2),
+ lua_isnoneornil(L, 3) ? -1 : nixio__check_group(L, 3)
+ )
+ );
+}
+
+static int nixio_lchown(lua_State *L) {
+ return nixio__pstatus(L,
+ !lchown(
+ luaL_checkstring(L, 1),
+ lua_isnoneornil(L, 2) ? -1 : nixio__check_user(L, 2),
+ lua_isnoneornil(L, 3) ? -1 : nixio__check_group(L, 3)
+ )
+ );
+}
+
+static int nixio_mkfifo(lua_State *L) {
+ return nixio__pstatus(L,
+ !mkfifo(luaL_checkstring(L, 1), nixio__check_mode(L, 2, -1)));
+}
+
+static int nixio_symlink(lua_State *L) {
+ return nixio__pstatus(L,
+ !symlink(luaL_checkstring(L, 1), luaL_checkstring(L, 2)));
+}
+
+static int nixio_readlink(lua_State *L) {
+ char dest[PATH_MAX];
+ ssize_t res = readlink(luaL_checkstring(L, 1), dest, sizeof(dest));
+ if (res < 0) {
+ return nixio__perror(L);
+ } else {
+ lua_pushlstring(L, dest, res);
+ return 1;
+ }
+}
+
+#include <glob.h>
+
+typedef struct {
+ glob_t gl;
+ size_t pos;
+ int freed;
+} nixio_glob_t;
+
+static int nixio_glob__iter(lua_State *L) {
+ nixio_glob_t *globres = lua_touserdata(L, lua_upvalueindex(1));
+ if (!globres->freed && globres->pos < globres->gl.gl_pathc) {
+ lua_pushstring(L, globres->gl.gl_pathv[(globres->pos)++]);
+ } else {
+ if (!globres->freed) {
+ globfree(&globres->gl);
+ globres->freed = 1;
+ }
+ lua_pushnil(L);
+ }
+ return 1;
+}
+
+static int nixio_glob__gc(lua_State *L) {
+ nixio_glob_t *globres = lua_touserdata(L, 1);
+ if (globres && !globres->freed) {
+ globres->freed = 1;
+ globfree(&globres->gl);
+ }
+ return 0;
+}
+
+static int nixio_glob(lua_State *L) {
+ const char *pattern = luaL_optstring(L, 1, "*");
+ nixio_glob_t *globres = lua_newuserdata(L, sizeof(nixio_glob_t));
+ if (!globres) {
+ return luaL_error(L, NIXIO_OOM);
+ }
+ globres->pos = 0;
+ globres->freed = 0;
+
+ int globstat = glob(pattern, 0, NULL, &globres->gl);
+ if (globstat == GLOB_NOMATCH) {
+ lua_pushcfunction(L, nixio__nulliter);
+ lua_pushinteger(L, 0);
+ } else if (globstat) {
+ return nixio__perror(L);
+ } else {
+ luaL_getmetatable(L, NIXIO_GLOB_META);
+ lua_setmetatable(L, -2);
+ lua_pushcclosure(L, nixio_glob__iter, 1);
+ lua_pushinteger(L, globres->gl.gl_pathc);
+ }
+ return 2;
+}
+
+#include <sys/statvfs.h>
+
+static int nixio__push_statvfs(lua_State *L, struct statvfs *buf) {
+ lua_createtable(L, 0, 12);
+
+ nixio__pushnumber(L, buf->f_bavail);
+ lua_setfield(L, -2, "bavail");
+
+ nixio__pushnumber(L, buf->f_bfree);
+ lua_setfield(L, -2, "bfree");
+
+ nixio__pushnumber(L, buf->f_blocks);
+ lua_setfield(L, -2, "blocks");
+
+ nixio__pushnumber(L, buf->f_bsize);
+ lua_setfield(L, -2, "bsize");
+
+ nixio__pushnumber(L, buf->f_frsize);
+ lua_setfield(L, -2, "frsize");
+
+ nixio__pushnumber(L, buf->f_favail);
+ lua_setfield(L, -2, "favail");
+
+ nixio__pushnumber(L, buf->f_ffree);
+ lua_setfield(L, -2, "ffree");
+
+ nixio__pushnumber(L, buf->f_files);
+ lua_setfield(L, -2, "files");
+
+ nixio__pushnumber(L, buf->f_flag);
+ lua_setfield(L, -2, "flag");
+
+ nixio__pushnumber(L, buf->f_fsid);
+ lua_setfield(L, -2, "fsid");
+
+ nixio__pushnumber(L, buf->f_namemax);
+ lua_setfield(L, -2, "namemax");
+
+ return 1;
+}
+
+static int nixio_statvfs(lua_State *L) {
+ struct statvfs buf;
+ if (statvfs(luaL_optstring(L, 1, "."), &buf)) {
+ return nixio__perror(L);
+ } else {
+ return nixio__push_statvfs(L, &buf);
+ }
+}
+
+#endif /* !__WINNT__ */
+
+
+
+/* module table */
+static const luaL_reg R[] = {
+#ifndef __WINNT__
+ {"glob", nixio_glob},
+ {"mkfifo", nixio_mkfifo},
+ {"symlink", nixio_symlink},
+ {"readlink", nixio_readlink},
+ {"chown", nixio_chown},
+ {"lchown", nixio_lchown},
+ {"statvfs", nixio_statvfs},
+#endif
+ {"chmod", nixio_chmod},
+ {"access", nixio_access},
+ {"basename", nixio_basename},
+ {"dir", nixio_dir},
+ {"dirname", nixio_dirname},
+ {"realpath", nixio_realpath},
+ {"mkdir", nixio_mkdir},
+ {"rmdir", nixio_rmdir},
+ {"link", nixio_link},
+ {"unlink", nixio_unlink},
+ {"utimes", nixio_utimes},
+ {"rename", nixio_rename},
+ {"remove", nixio_remove},
+ {"stat", nixio_stat},
+ {"lstat", nixio_lstat},
+ {NULL, NULL}
+};
+
+void nixio_open_fs(lua_State *L) {
+ lua_newtable(L);
+ luaL_register(L, NULL, R);
+ lua_setfield(L, -2, "fs");
+
+ luaL_newmetatable(L, NIXIO_DIR_META);
+ lua_pushcfunction(L, nixio_dir__gc);
+ lua_setfield(L, -2, "__gc");
+ lua_pop(L, 1);
+
+#ifndef __WINNT__
+ luaL_newmetatable(L, NIXIO_GLOB_META);
+ lua_pushcfunction(L, nixio_glob__gc);
+ lua_setfield(L, -2, "__gc");
+ lua_pop(L, 1);
+#endif
+}
diff --git a/libs/luci-lib-nixio/src/io.c b/libs/luci-lib-nixio/src/io.c
new file mode 100644
index 0000000000..12d5c7df45
--- /dev/null
+++ b/libs/luci-lib-nixio/src/io.c
@@ -0,0 +1,225 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/types.h>
+
+
+/**
+ * send() / sendto() helper
+ */
+static int nixio_sock__sendto(lua_State *L, int to) {
+ nixio_sock *sock = nixio__checksock(L);
+ struct sockaddr_storage addr_in;
+#ifndef __WINNT__
+ struct sockaddr_un addr_un;
+#endif
+ struct sockaddr *addr = NULL;
+ socklen_t alen = 0;
+ int argoff = 2;
+
+ if (to) {
+ argoff += 2;
+ if (sock->domain == AF_INET || sock->domain == AF_INET6) {
+ const char *address = luaL_checkstring(L, 3);
+ addr = (struct sockaddr*)&addr_in;
+ alen = sizeof(addr_in);
+
+ nixio_addr naddr;
+ memset(&naddr, 0, sizeof(naddr));
+ strncpy(naddr.host, address, sizeof(naddr.host) - 1);
+ naddr.port = (uint16_t)luaL_checkinteger(L, 4);
+ naddr.family = sock->domain;
+
+ if (nixio__addr_write(&naddr, addr)) {
+ return nixio__perror_s(L);
+ }
+ }
+
+#ifndef __WINNT__
+ else if (sock->domain == AF_UNIX) {
+ size_t pathlen;
+ const char *path = luaL_checklstring(L, 3, &pathlen);
+
+ addr_un.sun_family = AF_UNIX;
+ luaL_argcheck(L, pathlen <= sizeof(addr_un.sun_path), 3, "out of range");
+ memcpy(addr_un.sun_path, path, pathlen);
+
+ addr = (struct sockaddr*)&addr_un;
+ alen = sizeof(sa_family_t) + pathlen;
+ }
+#endif
+ }
+
+ size_t len;
+ ssize_t sent;
+ const char *data = luaL_checklstring(L, 2, &len);
+
+ if (lua_gettop(L) > argoff) {
+ int offset = luaL_optint(L, argoff + 1, 0);
+ if (offset) {
+ if (offset < len) {
+ data += offset;
+ len -= offset;
+ } else {
+ len = 0;
+ }
+ }
+
+ unsigned int wlen = luaL_optint(L, argoff + 2, len);
+ if (wlen < len) {
+ len = wlen;
+ }
+ }
+
+ do {
+ sent = sendto(sock->fd, data, len, 0, addr, alen);
+ } while(sent == -1 && errno == EINTR);
+ if (sent >= 0) {
+ lua_pushinteger(L, sent);
+ return 1;
+ } else {
+ return nixio__perror_s(L);
+ }
+}
+
+/**
+ * send(data)
+ */
+static int nixio_sock_send(lua_State *L) {
+ return nixio_sock__sendto(L, 0);
+}
+
+/**
+ * sendto(data, address, port)
+ */
+static int nixio_sock_sendto(lua_State *L) {
+ return nixio_sock__sendto(L, 1);
+}
+
+
+/**
+ * recv() / recvfrom() helper
+ */
+static int nixio_sock__recvfrom(lua_State *L, int from) {
+ nixio_sock *sock = nixio__checksock(L);
+ char buffer[NIXIO_BUFFERSIZE];
+ struct sockaddr_storage addr_in;
+#ifndef __WINNT__
+ struct sockaddr_un addr_un;
+#endif
+ struct sockaddr *addr = NULL;
+ socklen_t alen = 0;
+ uint req = luaL_checkinteger(L, 2);
+ int readc;
+
+ if (sock->domain == AF_INET || sock->domain == AF_INET6) {
+ addr = (from) ? (struct sockaddr*)&addr_in : NULL;
+ alen = (from) ? sizeof(addr_in) : 0;
+ }
+#ifndef __WINNT__
+ else if (sock->domain == AF_UNIX) {
+ addr = (from) ? (struct sockaddr*)&addr_un : NULL;
+ alen = (from) ? sizeof(addr_un) : 0;
+ }
+#endif
+
+ /* We limit the readsize to NIXIO_BUFFERSIZE */
+ req = (req > NIXIO_BUFFERSIZE) ? NIXIO_BUFFERSIZE : req;
+
+ do {
+ readc = recvfrom(sock->fd, buffer, req, 0, addr, &alen);
+ } while (readc == -1 && errno == EINTR);
+
+#ifdef __WINNT__
+ if (readc < 0) {
+ int e = WSAGetLastError();
+ if (e == WSAECONNRESET || e == WSAECONNABORTED || e == WSAESHUTDOWN) {
+ readc = 0;
+ }
+ }
+#endif
+
+ if (readc < 0) {
+ return nixio__perror_s(L);
+ } else {
+ lua_pushlstring(L, buffer, readc);
+
+ if (!from) {
+ return 1;
+ }
+ /* push address. */
+ if (sock->domain == AF_INET || sock->domain == AF_INET6) {
+ nixio_addr naddr;
+ if (!nixio__addr_parse(&naddr, (struct sockaddr *)&addr_in)) {
+ lua_pushstring(L, naddr.host);
+ lua_pushinteger(L, naddr.port);
+ return 3;
+ } else {
+ return 1;
+ }
+ }
+#ifndef __WINNT__
+ else if (sock->domain == AF_UNIX && alen > sizeof(sa_family_t)) {
+ /* if first char is non-null then the path is not in the
+ abstract namespace and alen includes the trailing null */
+ if (addr_un.sun_path[0])
+ --alen;
+ lua_pushlstring(L, addr_un.sun_path, alen - sizeof(sa_family_t));
+ return 2;
+ }
+#endif
+ }
+ return 1;
+}
+
+/**
+ * recv(count)
+ */
+static int nixio_sock_recv(lua_State *L) {
+ return nixio_sock__recvfrom(L, 0);
+}
+
+/**
+ * recvfrom(count)
+ */
+static int nixio_sock_recvfrom(lua_State *L) {
+ return nixio_sock__recvfrom(L, 1);
+}
+
+
+/* module table */
+static const luaL_reg M[] = {
+ {"send", nixio_sock_send},
+ {"sendto", nixio_sock_sendto},
+ {"recv", nixio_sock_recv},
+ {"recvfrom",nixio_sock_recvfrom},
+ {"write", nixio_sock_send},
+ {"read", nixio_sock_recv},
+ {NULL, NULL}
+};
+
+void nixio_open_io(lua_State *L) {
+ lua_pushvalue(L, -2);
+ luaL_register(L, NULL, M);
+ lua_pop(L, 1);
+}
diff --git a/libs/luci-lib-nixio/src/mingw-compat.c b/libs/luci-lib-nixio/src/mingw-compat.c
new file mode 100644
index 0000000000..02be504a13
--- /dev/null
+++ b/libs/luci-lib-nixio/src/mingw-compat.c
@@ -0,0 +1,220 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/locking.h>
+#include <sys/time.h>
+#include <sys/utime.h>
+
+void nixio_open__mingw(lua_State *L) {
+ _fmode = _O_BINARY;
+
+ WSADATA wsa;
+
+ if (WSAStartup(MAKEWORD(2, 2), &wsa)) {
+ luaL_error(L, "Unable to initialize Winsock");
+ }
+
+ lua_newtable(L);
+
+ NIXIO_WSA_CONSTANT(WSAEACCES);
+ NIXIO_WSA_CONSTANT(WSAEINTR);
+ NIXIO_WSA_CONSTANT(WSAEINVAL);
+ NIXIO_WSA_CONSTANT(WSAEBADF);
+ NIXIO_WSA_CONSTANT(WSAEFAULT);
+ NIXIO_WSA_CONSTANT(WSAEMFILE);
+ NIXIO_WSA_CONSTANT(WSAENAMETOOLONG);
+ NIXIO_WSA_CONSTANT(WSAELOOP);
+ NIXIO_WSA_CONSTANT(WSAEAFNOSUPPORT);
+ NIXIO_WSA_CONSTANT(WSAENOBUFS);
+ NIXIO_WSA_CONSTANT(WSAEPROTONOSUPPORT);
+ NIXIO_WSA_CONSTANT(WSAENOPROTOOPT);
+ NIXIO_WSA_CONSTANT(WSAEADDRINUSE);
+ NIXIO_WSA_CONSTANT(WSAENETDOWN);
+ NIXIO_WSA_CONSTANT(WSAENETUNREACH);
+ NIXIO_WSA_CONSTANT(WSAECONNABORTED);
+ NIXIO_WSA_CONSTANT(WSAECONNRESET);
+
+ lua_setfield(L, -2, "const_sock");
+}
+
+const char* nixio__mgw_inet_ntop
+(int af, const void *src, char *dst, socklen_t size) {
+ struct sockaddr_storage saddr;
+ memset(&saddr, 0, sizeof(saddr));
+
+ DWORD hostlen = size, sl;
+ if (af == AF_INET) {
+ struct sockaddr_in *saddr4 = (struct sockaddr_in *)&saddr;
+ memcpy(&saddr4->sin_addr, src, sizeof(saddr4->sin_addr));
+ saddr4->sin_family = AF_INET;
+ saddr4->sin_port = 0;
+ sl = sizeof(struct sockaddr_in);
+ } else if (af == AF_INET6) {
+ struct sockaddr_in6 *saddr6 = (struct sockaddr_in6 *)&saddr;
+ memcpy(&saddr6->sin6_addr, src, sizeof(saddr6->sin6_addr));
+ saddr6->sin6_family = AF_INET6;
+ saddr6->sin6_port = 0;
+ sl = sizeof(struct sockaddr_in6);
+ } else {
+ return NULL;
+ }
+ if (WSAAddressToString((struct sockaddr*)&saddr, sl, NULL, dst, &hostlen)) {
+ return NULL;
+ }
+ return dst;
+}
+
+int nixio__mgw_inet_pton (int af, const char *src, void *dst) {
+ struct sockaddr_storage sa;
+ int sl = sizeof(sa);
+
+ if (!WSAStringToAddress((char*)src, af, NULL, (struct sockaddr*)&sa, &sl)) {
+ if (af == AF_INET) {
+ struct in_addr ina = ((struct sockaddr_in *)&sa)->sin_addr;
+ memcpy(dst, &ina, sizeof(ina));
+ return 1;
+ } else if (af == AF_INET6) {
+ struct in_addr6 ina6 = ((struct sockaddr_in6 *)&sa)->sin6_addr;
+ memcpy(dst, &ina6, sizeof(ina6));
+ return 1;
+ } else {
+ WSASetLastError(WSAEAFNOSUPPORT);
+ return -1;
+ }
+ } else {
+ return -1;
+ }
+}
+
+int nixio__mgw_nanosleep(const struct timespec *req, struct timespec *rem) {
+ if (rem) {
+ rem->tv_sec = 0;
+ rem->tv_nsec = 0;
+ }
+ Sleep(req->tv_sec * 1000 + req->tv_nsec * 1000000);
+ return 0;
+}
+
+int nixio__mgw_poll(struct pollfd *fds, int nfds, int timeout) {
+ if (!fds || !nfds) {
+ Sleep(timeout);
+ return 0;
+ }
+
+ struct timeval tv;
+ int high = 0, rf = 0, wf = 0, ef = 0;
+ fd_set rfds, wfds, efds;
+ FD_ZERO(&rfds);
+ FD_ZERO(&wfds);
+ FD_ZERO(&efds);
+
+ tv.tv_sec = timeout / 1000;
+ tv.tv_usec = (timeout % 1000) * 1000;
+
+ for (int i = 0; i < nfds; i++) {
+ if (fds->events & POLLIN) {
+ FD_SET(fds->fd, &rfds);
+ rf++;
+ }
+ if (fds->events & POLLOUT) {
+ FD_SET(fds->fd, &wfds);
+ wf++;
+ }
+ if (fds->events & POLLERR) {
+ FD_SET(fds->fd, &efds);
+ ef++;
+ }
+ if (fds->fd > high) {
+ high = fds->fd;
+ }
+ }
+
+ int stat = select(high + 1, (rf) ? &rfds : NULL,
+ (wf) ? &wfds : NULL, (ef) ? &efds : NULL, &tv);
+ if (stat < 1) {
+ errno = WSAGetLastError();
+ return stat;
+ }
+
+ high = 0;
+
+ for (int i = 0; i < nfds; i++) {
+ fds->revents = 0;
+ if ((fds->events & POLLIN) && FD_ISSET(fds->fd, &rfds)) {
+ fds->revents |= POLLIN;
+ }
+ if ((fds->events & POLLOUT) && FD_ISSET(fds->fd, &wfds)) {
+ fds->revents |= POLLOUT;
+ }
+ if ((fds->events & POLLERR) && FD_ISSET(fds->fd, &efds)) {
+ fds->revents |= POLLERR;
+ }
+ if (fds->revents) {
+ high++;
+ }
+ }
+
+ return high;
+}
+
+int nixio__mgw_lockf(int fd, int cmd, off_t len) {
+ int stat;
+ if (cmd == F_LOCK) {
+ do {
+ stat = _locking(fd, _LK_LOCK, len);
+ } while (stat == -1 && errno == EDEADLOCK);
+ } else if (cmd == F_TLOCK) {
+ stat = _locking(fd, _LK_NBLCK, len);
+ } else if (cmd == F_ULOCK) {
+ stat = _locking(fd, _LK_UNLCK, len);
+ } else {
+ stat = -1;
+ errno = EINVAL;
+ }
+ return stat;
+}
+
+char* nixio__mgw_realpath(const char *path, char *resolved) {
+ if (GetFullPathName(path, PATH_MAX, resolved, NULL)) {
+ return resolved;
+ } else {
+ errno = GetLastError();
+ return NULL;
+ }
+}
+
+int nixio__mgw_link(const char *oldpath, const char *newpath) {
+ if (!CreateHardLink(newpath, oldpath, NULL)) {
+ errno = GetLastError();
+ return -1;
+ } else {
+ return 0;
+ }
+}
+
+int nixio__mgw_utimes(const char *filename, const struct timeval times[2]) {
+ struct _utimbuf timebuffer;
+ timebuffer.actime = times[0].tv_sec;
+ timebuffer.modtime = times[1].tv_sec;
+
+ return _utime(filename, &timebuffer);
+}
diff --git a/libs/luci-lib-nixio/src/mingw-compat.h b/libs/luci-lib-nixio/src/mingw-compat.h
new file mode 100644
index 0000000000..a26a4beecf
--- /dev/null
+++ b/libs/luci-lib-nixio/src/mingw-compat.h
@@ -0,0 +1,112 @@
+#ifndef NIXIO_MINGW_COMPAT_H_
+#define NIXIO_MINGW_COMPAT_H_
+
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#include <io.h>
+#include <process.h>
+#include <stdint.h>
+#include <sys/stat.h>
+#include <errno.h>
+
+typedef unsigned int uint;
+typedef unsigned long ulong;
+
+#define S_ISLNK(m) 0
+#define S_ISSOCK(m) 0
+
+#define EWOULDBLOCK WSAEWOULDBLOCK
+#define EAFNOSUPPORT WSAEAFNOSUPPORT
+#define ENOPROTOOPT WSAENOPROTOOPT
+
+#define SHUT_RD SD_RECEIVE
+#define SHUT_WR SD_SEND
+#define SHUT_RDWR SD_BOTH
+
+#define pipe(fds) _pipe(fds, 65536, 0)
+#define fsync _commit
+#define lseek lseek64
+#define stat _stati64
+#define lstat _stati64
+#define fstat _fstati64
+
+
+#define F_LOCK 1
+#define F_ULOCK 0
+#define F_TLOCK 2
+#define F_TEST 3
+int nixio__mgw_lockf(int fd, int cmd, off_t len);
+#define lockf nixio__mgw_lockf
+
+const char* nixio__mgw_inet_ntop
+(int af, const void *src, char *dst, socklen_t size);
+#define inet_ntop nixio__mgw_inet_ntop
+
+int nixio__mgw_inet_pton (int af, const char *src, void *dst);
+#define inet_pton nixio__mgw_inet_pton
+
+
+#ifndef POLLIN
+#define POLLIN 0x001
+#define POLLOUT 0x004
+#define POLLERR 0x008
+struct pollfd {
+ int fd;
+ short events;
+ short revents;
+};
+#endif
+
+typedef int nfds_t;
+int nixio__mgw_poll(struct pollfd *fds, nfds_t nfds, int timeout);
+#define poll nixio__mgw_poll
+
+
+struct timespec {
+ time_t tv_sec;
+ long tv_nsec;
+};
+
+int nixio__mgw_nanosleep(const struct timespec *req, struct timespec *rem);
+#define nanosleep nixio__mgw_nanosleep
+
+
+char* nixio__mgw_realpath(const char *path, char *resolved);
+#define realpath nixio__mgw_realpath
+
+
+int nixio__mgw_link(const char *oldpath, const char *newpath);
+#define link nixio__mgw_link
+
+
+int nixio__mgw_utimes(const char *filename, const struct timeval times[2]);
+#define utimes nixio__mgw_utimes
+
+
+#define setenv(k, v, o) !SetEnvironmentVariable(k, v)
+#define unsetenv(k) !SetEnvironmentVariable(k, NULL)
+
+#define execv(p, a) execv(p, (const char* const*)a)
+#define execvp(p, a) execvp(p, (const char* const*)a)
+#define execve(p, a, e) execve(p, (const char* const*)a, (const char* const*)e)
+
+#define mkdir(p, m) mkdir(p)
+
+
+#define nixio__perror_s(L) \
+ errno = WSAGetLastError(); \
+ return nixio__perror(L);
+
+#define nixio__pstatus_s(L, c) \
+ errno = WSAGetLastError(); \
+ return nixio__pstatus(L, c);
+
+
+
+#define NIXIO_WSA_CONSTANT(x) \
+ lua_pushinteger(L, x); \
+ lua_setfield(L, -2, #x+3);
+
+void nixio_open__mingw(lua_State *L);
+
+#endif /* NIXIO_MINGW_COMPAT_H_ */
diff --git a/libs/luci-lib-nixio/src/nixio-tls.h b/libs/luci-lib-nixio/src/nixio-tls.h
new file mode 100644
index 0000000000..0fac5a980d
--- /dev/null
+++ b/libs/luci-lib-nixio/src/nixio-tls.h
@@ -0,0 +1,53 @@
+#ifndef NIXIO_TLS_H_
+#define NIXIO_TLS_H_
+
+#include "nixio.h"
+#include <sys/types.h>
+
+#ifndef WITHOUT_OPENSSL
+#include <openssl/ssl.h>
+#include <openssl/md5.h>
+#include <openssl/sha.h>
+#endif
+
+#define NIXIO_TLS_CTX_META "nixio.tls.ctx"
+#define NIXIO_TLS_SOCK_META "nixio.tls.sock"
+
+typedef struct nixio_tls_socket {
+ SSL *socket;
+#ifdef WITH_AXTLS
+ char connected;
+ size_t pbufsiz;
+ char *pbufpos;
+ char *pbuffer;
+#endif
+} nixio_tls_sock;
+
+#define NIXIO_CRYPTO_HASH_META "nixio.crypto.hash"
+#define NIXIO_DIGEST_SIZE 64
+#define NIXIO_CRYPTO_BLOCK_SIZE 64
+
+#define NIXIO_HASH_NONE 0
+#define NIXIO_HASH_MD5 0x01
+#define NIXIO_HASH_SHA1 0x02
+
+#define NIXIO_HMAC_BIT 0x40
+
+typedef int(*nixio_hash_initcb)(void *);
+typedef int(*nixio_hash_updatecb)(void *, const void *, unsigned long);
+typedef int(*nixio_hash_finalcb)(unsigned char *, void *);
+
+typedef struct nixio_hash_obj {
+ uint type;
+ unsigned char digest[NIXIO_DIGEST_SIZE];
+ size_t digest_size;
+ unsigned char key[NIXIO_CRYPTO_BLOCK_SIZE];
+ size_t key_size;
+ size_t block_size;
+ void *ctx;
+ nixio_hash_initcb init;
+ nixio_hash_updatecb update;
+ nixio_hash_finalcb final;
+} nixio_hash;
+
+#endif /* NIXIO_TLS_H_ */
diff --git a/libs/luci-lib-nixio/src/nixio.c b/libs/luci-lib-nixio/src/nixio.c
new file mode 100644
index 0000000000..ae81c6f964
--- /dev/null
+++ b/libs/luci-lib-nixio/src/nixio.c
@@ -0,0 +1,240 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <signal.h>
+
+#define VERSION 0.4
+
+
+/* pushes nil, error number and errstring on the stack */
+int nixio__perror(lua_State *L) {
+ if (errno == EAGAIN || errno == EWOULDBLOCK) {
+ lua_pushboolean(L, 0);
+ } else {
+ lua_pushnil(L);
+ }
+ lua_pushinteger(L, errno);
+ lua_pushstring(L, strerror(errno));
+ return 3;
+}
+
+/* pushes true, if operation succeeded, otherwise call nixio__perror */
+int nixio__pstatus(lua_State *L, int condition) {
+ if (condition) {
+ lua_pushboolean(L, 1);
+ return 1;
+ } else {
+ return nixio__perror(L);
+ }
+}
+
+/* checks whether the first argument is a socket and returns it */
+nixio_sock* nixio__checksock(lua_State *L) {
+ nixio_sock *sock = (nixio_sock*)luaL_checkudata(L, 1, NIXIO_META);
+ luaL_argcheck(L, sock->fd != -1, 1, "invalid socket object");
+ return sock;
+}
+
+/* read fd from nixio_sock object */
+int nixio__checksockfd(lua_State *L) {
+ return nixio__checksock(L)->fd;
+}
+
+/* return any possible fd, otherwise error out */
+int nixio__checkfd(lua_State *L, int ud) {
+ int fd = nixio__tofd(L, ud);
+ return (fd != -1) ? fd : luaL_argerror(L, ud, "invalid file descriptor");
+}
+
+/* return any possible fd */
+int nixio__tofd(lua_State *L, int ud) {
+ void *udata = lua_touserdata(L, ud);
+ int fd = -1;
+ if (lua_getmetatable(L, ud)) {
+ luaL_getmetatable(L, NIXIO_META);
+ luaL_getmetatable(L, NIXIO_FILE_META);
+ luaL_getmetatable(L, LUA_FILEHANDLE);
+ if (lua_rawequal(L, -3, -4)) {
+ fd = ((nixio_sock*)udata)->fd;
+ } else if (lua_rawequal(L, -2, -4)) {
+ fd = *((int*)udata);
+ } else if (lua_rawequal(L, -1, -4)) {
+ fd = (*((FILE **)udata)) ? fileno(*((FILE **)udata)) : -1;
+ }
+ lua_pop(L, 4);
+ }
+ return fd;
+}
+
+/* An empty iterator */
+int nixio__nulliter(lua_State *L) {
+ lua_pushnil(L);
+ return 1;
+}
+
+static int nixio_errno(lua_State *L) {
+ lua_pushinteger(L, errno);
+ return 1;
+}
+
+static int nixio_strerror(lua_State *L) {
+ lua_pushstring(L, strerror(luaL_checkinteger(L, 1)));
+ return 1;
+}
+
+/* object table */
+static const luaL_reg R[] = {
+ {"errno", nixio_errno},
+ {"strerror", nixio_strerror},
+ {NULL, NULL}
+};
+
+/* entry point */
+NIXIO_API int luaopen_nixio(lua_State *L) {
+ /* create metatable */
+ luaL_newmetatable(L, NIXIO_META);
+
+ /* metatable.__index = metatable */
+ lua_pushvalue(L, -1);
+ lua_setfield(L, -2, "__index");
+
+ /* register module */
+ luaL_register(L, "nixio", R);
+
+ /* register metatable as socket_meta */
+ lua_pushvalue(L, -2);
+ lua_setfield(L, -2, "meta_socket");
+
+ /* register methods */
+#ifdef __WINNT__
+ nixio_open__mingw(L);
+#endif
+ nixio_open_file(L);
+ nixio_open_socket(L);
+ nixio_open_sockopt(L);
+ nixio_open_bind(L);
+ nixio_open_address(L);
+ nixio_open_protoent(L);
+ nixio_open_poll(L);
+ nixio_open_io(L);
+ nixio_open_splice(L);
+ nixio_open_process(L);
+ nixio_open_syslog(L);
+ nixio_open_bit(L);
+ nixio_open_bin(L);
+ nixio_open_fs(L);
+ nixio_open_user(L);
+
+#ifndef NO_TLS
+ nixio_open_tls_crypto(L);
+ nixio_open_tls_context(L);
+ nixio_open_tls_socket(L);
+#endif
+
+ /* module version */
+ lua_pushinteger(L, VERSION);
+ lua_setfield(L, -2, "version");
+
+ /* some constants */
+ lua_newtable(L);
+
+ lua_pushliteral(L, NIXIO_SEP);
+ lua_setfield(L, -2, "sep");
+
+ lua_pushliteral(L, NIXIO_PATHSEP);
+ lua_setfield(L, -2, "pathsep");
+
+ lua_pushinteger(L, NIXIO_BUFFERSIZE);
+ lua_setfield(L, -2, "buffersize");
+
+ NIXIO_PUSH_CONSTANT(EACCES);
+ NIXIO_PUSH_CONSTANT(EINTR);
+ NIXIO_PUSH_CONSTANT(ENOSYS);
+ NIXIO_PUSH_CONSTANT(EINVAL);
+ NIXIO_PUSH_CONSTANT(EAGAIN);
+ NIXIO_PUSH_CONSTANT(ENOMEM);
+ NIXIO_PUSH_CONSTANT(ENOENT);
+ NIXIO_PUSH_CONSTANT(ECHILD);
+ NIXIO_PUSH_CONSTANT(EIO);
+ NIXIO_PUSH_CONSTANT(EBADF);
+ NIXIO_PUSH_CONSTANT(EFAULT);
+ NIXIO_PUSH_CONSTANT(EFBIG);
+ NIXIO_PUSH_CONSTANT(ENOSPC);
+ NIXIO_PUSH_CONSTANT(EPIPE);
+ NIXIO_PUSH_CONSTANT(ESPIPE);
+ NIXIO_PUSH_CONSTANT(EISDIR);
+ NIXIO_PUSH_CONSTANT(EPERM);
+ NIXIO_PUSH_CONSTANT(EEXIST);
+ NIXIO_PUSH_CONSTANT(EMFILE);
+ NIXIO_PUSH_CONSTANT(ENAMETOOLONG);
+ NIXIO_PUSH_CONSTANT(ENFILE);
+ NIXIO_PUSH_CONSTANT(ENODEV);
+ NIXIO_PUSH_CONSTANT(EXDEV);
+ NIXIO_PUSH_CONSTANT(ENOTDIR);
+ NIXIO_PUSH_CONSTANT(ENXIO);
+ NIXIO_PUSH_CONSTANT(EROFS);
+ NIXIO_PUSH_CONSTANT(EBUSY);
+ NIXIO_PUSH_CONSTANT(ESRCH);
+ NIXIO_PUSH_CONSTANT(SIGINT);
+ NIXIO_PUSH_CONSTANT(SIGTERM);
+ NIXIO_PUSH_CONSTANT(SIGSEGV);
+
+#ifndef __WINNT__
+ NIXIO_PUSH_CONSTANT(EALREADY);
+ NIXIO_PUSH_CONSTANT(EINPROGRESS);
+ NIXIO_PUSH_CONSTANT(EWOULDBLOCK);
+ NIXIO_PUSH_CONSTANT(ELOOP);
+ NIXIO_PUSH_CONSTANT(EOVERFLOW);
+ NIXIO_PUSH_CONSTANT(ETXTBSY);
+ NIXIO_PUSH_CONSTANT(EAFNOSUPPORT);
+ NIXIO_PUSH_CONSTANT(ENOBUFS);
+ NIXIO_PUSH_CONSTANT(EPROTONOSUPPORT);
+ NIXIO_PUSH_CONSTANT(ENOPROTOOPT);
+ NIXIO_PUSH_CONSTANT(EADDRINUSE);
+ NIXIO_PUSH_CONSTANT(ENETDOWN);
+ NIXIO_PUSH_CONSTANT(ENETUNREACH);
+
+ NIXIO_PUSH_CONSTANT(SIGALRM);
+ NIXIO_PUSH_CONSTANT(SIGKILL);
+ NIXIO_PUSH_CONSTANT(SIGHUP);
+ NIXIO_PUSH_CONSTANT(SIGSTOP);
+ NIXIO_PUSH_CONSTANT(SIGCONT);
+ NIXIO_PUSH_CONSTANT(SIGCHLD);
+ NIXIO_PUSH_CONSTANT(SIGQUIT);
+ NIXIO_PUSH_CONSTANT(SIGUSR1);
+ NIXIO_PUSH_CONSTANT(SIGUSR2);
+ NIXIO_PUSH_CONSTANT(SIGIO);
+ NIXIO_PUSH_CONSTANT(SIGURG);
+ NIXIO_PUSH_CONSTANT(SIGPIPE);
+
+ lua_pushvalue(L, -1);
+ lua_setfield(L, -3, "const_sock");
+
+ signal(SIGPIPE, SIG_IGN);
+#endif /* !__WINNT__ */
+ lua_setfield(L, -2, "const");
+
+ /* remove meta table */
+ lua_remove(L, -2);
+
+ return 1;
+}
diff --git a/libs/luci-lib-nixio/src/nixio.h b/libs/luci-lib-nixio/src/nixio.h
new file mode 100644
index 0000000000..8802e92043
--- /dev/null
+++ b/libs/luci-lib-nixio/src/nixio.h
@@ -0,0 +1,133 @@
+#ifndef NIXIO_H_
+#define NIXIO_H_
+
+#define NIXIO_OOM "out of memory"
+
+#define NIXIO_META "nixio.socket"
+#define NIXIO_FILE_META "nixio.file"
+#define NIXIO_GLOB_META "nixio.glob"
+#define NIXIO_DIR_META "nixio.dir"
+#define _FILE_OFFSET_BITS 64
+
+#define NIXIO_PUSH_CONSTANT(x) \
+ lua_pushinteger(L, x); \
+ lua_setfield(L, -2, #x);
+
+/* uClibc: broken as always */
+#define _LARGEFILE_SOURCE
+
+#include <lua.h>
+#include <lualib.h>
+#include <lauxlib.h>
+#include <luaconf.h>
+
+#define NIXIO_BUFFERSIZE 8192
+
+typedef struct nixio_socket {
+ int fd;
+ int domain;
+ int type;
+ int protocol;
+} nixio_sock;
+
+typedef struct nixio_address {
+ int family;
+ char host[128];
+ int port;
+ int prefix;
+} nixio_addr;
+
+int nixio__perror(lua_State *L);
+int nixio__pstatus(lua_State *L, int condition);
+
+#if defined(LUA_NUMBER_DOUBLE) || defined(LNUM_DOUBLE) || defined(LNUM_LDOUBLE)
+#define NIXIO_DOUBLE 1
+#define nixio__checknumber luaL_checknumber
+#define nixio__pushnumber lua_pushnumber
+#define nixio__optnumber luaL_optnumber
+#else
+#define nixio__checknumber luaL_checkinteger
+#define nixio__pushnumber lua_pushinteger
+#define nixio__optnumber luaL_optinteger
+#endif
+
+
+#ifndef __WINNT__
+
+#define NIXIO_API extern
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <netinet/tcp.h>
+#include <sys/un.h>
+#include <netdb.h>
+#include <poll.h>
+#include <sys/stat.h>
+#include <errno.h>
+
+#define NIXIO_SEP "/"
+#define NIXIO_PATHSEP ":"
+
+#define nixio__perror_s nixio__perror
+#define nixio__pstatus_s nixio__pstatus
+
+int nixio__check_group(lua_State *L, int idx);
+int nixio__check_user(lua_State *L, int idx);
+
+typedef struct stat nixio_stat_t;
+
+#else /* __WINNT__ */
+
+#define NIXIO_API extern __declspec(dllexport)
+#define NIXIO_SEP "\\"
+#define NIXIO_PATHSEP ";"
+#include "mingw-compat.h"
+
+typedef struct _stati64 nixio_stat_t;
+
+#endif
+
+nixio_sock* nixio__checksock(lua_State *L);
+int nixio__checksockfd(lua_State *L);
+int nixio__checkfd(lua_State *L, int ud);
+int nixio__tofd(lua_State *L, int ud);
+int nixio__nulliter(lua_State *L);
+
+int nixio__addr_parse(nixio_addr *addr, struct sockaddr *saddr);
+int nixio__addr_write(nixio_addr *addr, struct sockaddr *saddr);
+
+int nixio__check_mode(lua_State *L, int idx, int def);
+int nixio__mode_write(int mode, char *modestr);
+
+int nixio__push_stat(lua_State *L, nixio_stat_t *buf);
+
+const char nixio__bin2hex[16];
+
+/* Module functions */
+void nixio_open_file(lua_State *L);
+void nixio_open_socket(lua_State *L);
+void nixio_open_sockopt(lua_State *L);
+void nixio_open_bind(lua_State *L);
+void nixio_open_address(lua_State *L);
+void nixio_open_protoent(lua_State *L);
+void nixio_open_poll(lua_State *L);
+void nixio_open_io(lua_State *L);
+void nixio_open_splice(lua_State *L);
+void nixio_open_process(lua_State *L);
+void nixio_open_syslog(lua_State *L);
+void nixio_open_bit(lua_State *L);
+void nixio_open_bin(lua_State *L);
+void nixio_open_fs(lua_State *L);
+void nixio_open_user(lua_State *L);
+
+#ifndef NO_TLS
+void nixio_open_tls_crypto(lua_State *L);
+void nixio_open_tls_context(lua_State *L);
+void nixio_open_tls_socket(lua_State *L);
+#endif
+
+/* Method functions */
+
+#endif /* NIXIO_H_ */
diff --git a/libs/luci-lib-nixio/src/poll.c b/libs/luci-lib-nixio/src/poll.c
new file mode 100644
index 0000000000..1211bc72ac
--- /dev/null
+++ b/libs/luci-lib-nixio/src/poll.c
@@ -0,0 +1,210 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+#include <time.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/time.h>
+
+
+static int nixio_gettimeofday(lua_State *L) {
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ nixio__pushnumber(L, tv.tv_sec);
+ nixio__pushnumber(L, tv.tv_usec);
+ return 2;
+}
+
+
+/**
+ * nanosleep()
+ */
+static int nixio_nanosleep(lua_State *L) {
+ struct timespec req, rem;
+ req.tv_sec = luaL_optint(L, 1, 0);
+ req.tv_nsec = luaL_optint(L, 2, 0);
+
+ int status = nanosleep(&req, &rem);
+ if (!status) {
+ lua_pushboolean(L, 1);
+ return 1;
+ } else {
+ if (errno == EINTR) {
+ lua_pushboolean(L, 0);
+ lua_pushinteger(L, rem.tv_sec);
+ lua_pushinteger(L, rem.tv_nsec);
+ return 3;
+ } else {
+ return nixio__perror(L);
+ }
+ }
+}
+
+/**
+ * Checks whether a flag is set in the bitmap and sets the matching table value
+ */
+static void nixio_poll_flags__r(lua_State *L, int *map, int f, const char *t) {
+ lua_pushstring(L, t);
+ if (*map & f) {
+ lua_pushboolean(L, 1);
+ } else {
+ lua_pushnil(L);
+ }
+ lua_rawset(L, -3);
+}
+
+/**
+ * Translate integer to poll flags and vice versa
+ */
+static int nixio_poll_flags(lua_State *L) {
+ int flags;
+ if (lua_isnumber(L, 1)) {
+ flags = luaL_checkinteger(L, 1);
+ lua_newtable(L);
+ nixio_poll_flags__r(L, &flags, POLLIN, "in");
+ nixio_poll_flags__r(L, &flags, POLLOUT, "out");
+ nixio_poll_flags__r(L, &flags, POLLERR, "err");
+#ifndef __WINNT__
+ nixio_poll_flags__r(L, &flags, POLLPRI, "pri");
+ nixio_poll_flags__r(L, &flags, POLLHUP, "hup");
+ nixio_poll_flags__r(L, &flags, POLLNVAL, "nval");
+#endif
+ } else {
+ flags = 0;
+ const int j = lua_gettop(L);
+ for (int i=1; i<=j; i++) {
+ const char *flag = luaL_checkstring(L, i);
+ if (!strcmp(flag, "in")) {
+ flags |= POLLIN;
+ } else if (!strcmp(flag, "out")) {
+ flags |= POLLOUT;
+ } else if (!strcmp(flag, "err")) {
+ flags |= POLLERR;
+ } else if (!strcmp(flag, "pri")) {
+#ifndef __WINNT__
+ flags |= POLLPRI;
+#endif
+ } else if (!strcmp(flag, "hup")) {
+#ifndef __WINNT__
+ flags |= POLLHUP;
+#endif
+ } else if (!strcmp(flag, "nval")) {
+#ifndef __WINNT__
+ flags |= POLLNVAL;
+#endif
+ } else {
+ return luaL_argerror(L, i,
+ "supported values: in, pri, out, err, hup, nval");
+ }
+ }
+ lua_pushinteger(L, flags);
+ }
+ return 1;
+}
+
+/**
+ * poll({{fd = socket, events = FLAGS}, ...}, timeout)
+ */
+static int nixio_poll(lua_State *L) {
+ int len = lua_objlen(L, 1);
+ int i, fd;
+ int timeout = luaL_optint(L, 2, 0);
+ int status = -1;
+
+ /* we are being abused as sleep() replacement... */
+ if (lua_isnoneornil(L, 1) || len < 1) {
+ if (!poll(NULL, 0, timeout)) {
+ lua_pushinteger(L, 0);
+ return 1;
+ } else {
+ return nixio__perror(L);
+ }
+ }
+
+ luaL_checktype(L, 1, LUA_TTABLE);
+ struct pollfd *fds = calloc(len, sizeof(struct pollfd));
+ if (!fds) {
+ return luaL_error(L, NIXIO_OOM);
+ }
+
+ for (i = 0; i < len; i++) {
+ lua_rawgeti(L, 1, i+1);
+ if (!lua_istable(L, -1)) {
+ free(fds);
+ return luaL_argerror(L, 1, "invalid datastructure");
+ }
+
+ lua_pushliteral(L, "fd");
+ lua_rawget(L, -2);
+ fd = nixio__tofd(L, -1);
+ if (fd == -1) {
+ free(fds);
+ return luaL_argerror(L, 1, "invalid fd in datastructure");
+ }
+ fds[i].fd = fd;
+
+ lua_pushliteral(L, "events");
+ lua_rawget(L, -3);
+ fds[i].events = (short)lua_tointeger(L, -1);
+
+ lua_pop(L, 3);
+ }
+
+ status = poll(fds, (nfds_t)len, timeout);
+
+ if (status == 0) {
+ free(fds);
+ lua_pushboolean(L, 0);
+ return 1;
+ } else if (status < 0) {
+ free(fds);
+ return nixio__perror(L);
+ }
+
+ for (i = 0; i < len; i++) {
+ lua_rawgeti(L, 1, i+1);
+
+ lua_pushliteral(L, "revents");
+ lua_pushinteger(L, fds[i].revents);
+ lua_rawset(L, -3);
+
+ lua_pop(L, 1);
+ }
+
+ free(fds);
+
+ lua_pushinteger(L, status);
+ lua_pushvalue(L, 1);
+
+ return 2;
+}
+
+/* module table */
+static const luaL_reg R[] = {
+ {"gettimeofday", nixio_gettimeofday},
+ {"nanosleep", nixio_nanosleep},
+ {"poll", nixio_poll},
+ {"poll_flags", nixio_poll_flags},
+ {NULL, NULL}
+};
+
+void nixio_open_poll(lua_State *L) {
+ luaL_register(L, NULL, R);
+}
diff --git a/libs/luci-lib-nixio/src/process.c b/libs/luci-lib-nixio/src/process.c
new file mode 100644
index 0000000000..5ae9b829ea
--- /dev/null
+++ b/libs/luci-lib-nixio/src/process.c
@@ -0,0 +1,450 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <signal.h>
+
+#define NIXIO_EXECVE 0x01
+#define NIXIO_EXECV 0x02
+#define NIXIO_EXECVP 0x03
+
+int nixio__exec(lua_State *L, int m) {
+ const char *path = luaL_checkstring(L, 1);
+ const char *arg;
+ int argn, i;
+
+ if (m == NIXIO_EXECVE) {
+ luaL_checktype(L, 2, LUA_TTABLE);
+ argn = lua_objlen(L, 2) + 1;
+ } else {
+ argn = lua_gettop(L);
+ }
+
+ char **args = lua_newuserdata(L, sizeof(char*) * (argn + 1));
+ args[argn] = NULL;
+ args[0] = (char *)path;
+
+ if (m == NIXIO_EXECVE) {
+ for (i = 1; i < argn; i++) {
+ lua_rawgeti(L, 2, i);
+ arg = lua_tostring(L, -1);
+ luaL_argcheck(L, arg, 2, "invalid argument");
+ args[i] = (char *)arg;
+ }
+
+ if (lua_isnoneornil(L, 3)) {
+ execv(path, args);
+ } else {
+ luaL_checktype(L, 3, LUA_TTABLE);
+ argn = 0;
+ lua_pushnil(L);
+ while (lua_next(L, 3)) {
+ if (!lua_checkstack(L, 1)) {
+ lua_settop(L, 0);
+ return luaL_error(L, "stack overflow");
+ }
+
+ if (lua_type(L, -2) != LUA_TSTRING || !lua_isstring(L, -1)) {
+ return luaL_argerror(L, 3, "invalid environment");
+ }
+
+ lua_pushfstring(L, "%s=%s",
+ lua_tostring(L, -2), lua_tostring(L, -1));
+
+ lua_insert(L, 5);
+ lua_pop(L, 1);
+ argn++;
+ }
+
+ char **env = lua_newuserdata(L, sizeof(char*) * (argn + 1));
+ env[argn] = NULL;
+
+ for (i = 1; i <= argn; i++) {
+ env[i-1] = (char *)lua_tostring(L, -(i+1));
+ }
+
+ execve(path, args, env);
+ }
+ } else {
+ for (i = 2; i <= argn; i++) {
+ arg = luaL_checkstring(L, i);
+ args[i-1] = (char *)arg;
+ }
+
+ if (m == NIXIO_EXECV) {
+ execv(path, args);
+ } else {
+ execvp(path, args);
+ }
+ }
+
+ return nixio__perror(L);
+}
+
+#ifndef __WINNT__
+#include <sys/utsname.h>
+#include <sys/times.h>
+#include <sys/wait.h>
+#include <pwd.h>
+#include <grp.h>
+
+static int nixio_fork(lua_State *L) {
+ pid_t pid = fork();
+ if (pid == -1) {
+ return nixio__perror(L);
+ } else {
+ lua_pushinteger(L, pid);
+ return 1;
+ }
+}
+
+static int nixio_kill(lua_State *L) {
+ return nixio__pstatus(L, !kill(luaL_checkint(L, 1), luaL_checkint(L, 2)));
+}
+
+static int nixio_getppid(lua_State *L) {
+ lua_pushinteger(L, getppid());
+ return 1;
+}
+
+static int nixio_getuid(lua_State *L) {
+ lua_pushinteger(L, getuid());
+ return 1;
+}
+
+static int nixio_getgid(lua_State *L) {
+ lua_pushinteger(L, getgid());
+ return 1;
+}
+
+static int nixio_setgid(lua_State *L) {
+ return nixio__pstatus(L, !setgid(nixio__check_group(L, 1)));
+}
+
+static int nixio_setuid(lua_State *L) {
+ return nixio__pstatus(L, !setuid(nixio__check_user(L, 1)));
+}
+
+static int nixio_nice(lua_State *L) {
+ int nval = luaL_checkint(L, 1);
+
+ errno = 0;
+ nval = nice(nval);
+
+ if (nval == -1 && errno) {
+ return nixio__perror(L);
+ } else {
+ lua_pushinteger(L, nval);
+ return 1;
+ }
+}
+
+static int nixio_setsid(lua_State *L) {
+ pid_t pid = setsid();
+
+ if (pid == -1) {
+ return nixio__perror(L);
+ } else {
+ lua_pushinteger(L, pid);
+ return 1;
+ }
+}
+
+static int nixio_wait(lua_State *L) {
+ pid_t pidin = luaL_optinteger(L, 1, -1), pidout;
+ int options = 0, status;
+
+ const int j = lua_gettop(L);
+ for (int i=2; i<=j; i++) {
+ const char *flag = luaL_checkstring(L, i);
+ if (!strcmp(flag, "nohang")) {
+ options |= WNOHANG;
+ } else if (!strcmp(flag, "untraced")) {
+ options |= WUNTRACED;
+ } else if (!strcmp(flag, "continued")) {
+ options |= WCONTINUED;
+ } else {
+ return luaL_argerror(L, i,
+ "supported values: nohang, untraced, continued");
+ }
+ }
+
+ do {
+ pidout = waitpid(pidin, &status, options);
+ } while (pidout == -1 && errno == EINTR);
+
+ if (pidout == 0) {
+ lua_pushboolean(L, 0);
+ return 1;
+ } else if (pidout == -1) {
+ return nixio__perror(L);
+ } else {
+ lua_pushinteger(L, pidout);
+ }
+
+ if (WIFEXITED(status)) {
+ lua_pushliteral(L, "exited");
+ lua_pushinteger(L, WEXITSTATUS(status));
+ } else if (WIFSIGNALED(status)) {
+ lua_pushliteral(L, "signaled");
+ lua_pushinteger(L, WTERMSIG(status));
+ } else if (WIFSTOPPED(status)) {
+ lua_pushliteral(L, "stopped");
+ lua_pushinteger(L, WSTOPSIG(status));
+ } else {
+ return 1;
+ }
+
+ return 3;
+}
+
+static int nixio_times(lua_State *L) {
+ struct tms buf;
+ if (times(&buf) == -1) {
+ return nixio__perror(L);
+ } else {
+ lua_createtable(L, 0, 4);
+ nixio__pushnumber(L, buf.tms_cstime);
+ lua_setfield(L, -2, "cstime");
+
+ nixio__pushnumber(L, buf.tms_cutime);
+ lua_setfield(L, -2, "cutime");
+
+ nixio__pushnumber(L, buf.tms_stime);
+ lua_setfield(L, -2, "stime");
+
+ nixio__pushnumber(L, buf.tms_utime);
+ lua_setfield(L, -2, "utime");
+
+ return 1;
+ }
+}
+
+static int nixio_uname(lua_State *L) {
+ struct utsname buf;
+ if (uname(&buf)) {
+ return nixio__perror(L);
+ }
+
+ lua_createtable(L, 0, 5);
+
+ lua_pushstring(L, buf.machine);
+ lua_setfield(L, -2, "machine");
+
+ lua_pushstring(L, buf.version);
+ lua_setfield(L, -2, "version");
+
+ lua_pushstring(L, buf.release);
+ lua_setfield(L, -2, "release");
+
+ lua_pushstring(L, buf.nodename);
+ lua_setfield(L, -2, "nodename");
+
+ lua_pushstring(L, buf.sysname);
+ lua_setfield(L, -2, "sysname");
+
+ return 1;
+}
+
+#endif /* !__WINNT__ */
+
+static int nixio_chdir(lua_State *L) {
+ return nixio__pstatus(L, !chdir(luaL_checkstring(L, 1)));
+}
+
+static int nixio_signal(lua_State *L) {
+ int sig = luaL_checkinteger(L, 1);
+ const char *val = luaL_checkstring(L, 2);
+
+ if (!strcmp(val, "ign") || !strcmp(val, "ignore")) {
+ return nixio__pstatus(L, signal(sig, SIG_IGN) != SIG_ERR);
+ } else if (!strcmp(val, "dfl") || !strcmp(val, "default")) {
+ return nixio__pstatus(L, signal(sig, SIG_DFL) != SIG_ERR);
+ } else {
+ return luaL_argerror(L, 2, "supported values: ign, dfl");
+ }
+}
+
+static int nixio_getpid(lua_State *L) {
+ lua_pushinteger(L, getpid());
+ return 1;
+}
+
+static int nixio_getenv(lua_State *L) {
+ const char *key = luaL_optstring(L, 1, NULL);
+ if (key) {
+ const char *val = getenv(key);
+ if (val) {
+ lua_pushstring(L, val);
+ } else {
+ lua_pushnil(L);
+ }
+ } else {
+ lua_newtable(L);
+ extern char **environ;
+ for (char **c = environ; *c; c++) {
+ const char *delim = strchr(*c, '=');
+ if (!delim) {
+ return luaL_error(L, "invalid environment");
+ }
+ lua_pushlstring(L, *c, delim-*c);
+ lua_pushstring(L, delim + 1);
+ lua_rawset(L, -3);
+ }
+ }
+ return 1;
+}
+
+static int nixio_setenv(lua_State *L) {
+ const char *key = luaL_checkstring(L, 1);
+ const char *val = luaL_optstring(L, 2, NULL);
+ return nixio__pstatus(L, (val) ? !setenv(key, val, 1) : !unsetenv(key));
+}
+
+static int nixio_exec(lua_State *L) {
+ return nixio__exec(L, NIXIO_EXECV);
+}
+
+static int nixio_execp(lua_State *L) {
+ return nixio__exec(L, NIXIO_EXECVP);
+}
+
+static int nixio_exece(lua_State *L) {
+ return nixio__exec(L, NIXIO_EXECVE);
+}
+
+static int nixio_getcwd(lua_State *L) {
+ char path[PATH_MAX];
+
+ if (getcwd(path, sizeof(path))) {
+ lua_pushstring(L, path);
+ return 1;
+ } else {
+ return nixio__perror(L);
+ }
+}
+
+static int nixio_umask(lua_State *L) {
+ char mask[9];
+ lua_pushinteger(L,
+ nixio__mode_write(umask(nixio__check_mode(L, 1, -1)), mask));
+ lua_pushlstring(L, mask, 9);
+ return 2;
+}
+
+#ifdef __linux__
+
+#include <sys/sysinfo.h>
+
+static int nixio_sysinfo(lua_State *L) {
+ struct sysinfo info;
+ if (sysinfo(&info)) {
+ return nixio__perror(L);
+ }
+
+ lua_createtable(L, 0, 12);
+
+ nixio__pushnumber(L, info.bufferram);
+ lua_setfield(L, -2, "bufferram");
+
+ nixio__pushnumber(L, info.freehigh);
+ lua_setfield(L, -2, "freehigh");
+
+ nixio__pushnumber(L, info.freeram);
+ lua_setfield(L, -2, "freeram");
+
+ nixio__pushnumber(L, info.freeswap);
+ lua_setfield(L, -2, "freeswap");
+
+ lua_createtable(L, 0, 3);
+ for (int i=0; i<3; i++) {
+ lua_pushnumber(L, info.loads[i] / 65536.);
+ lua_rawseti(L, -2, i+1);
+ }
+ lua_setfield(L, -2, "loads");
+
+ lua_pushinteger(L, info.mem_unit);
+ lua_setfield(L, -2, "mem_unit");
+
+ lua_pushinteger(L, info.procs);
+ lua_setfield(L, -2, "procs");
+
+ nixio__pushnumber(L, info.sharedram);
+ lua_setfield(L, -2, "sharedram");
+
+ nixio__pushnumber(L, info.totalhigh);
+ lua_setfield(L, -2, "totalhigh");
+
+ nixio__pushnumber(L, info.totalram);
+ lua_setfield(L, -2, "totalram");
+
+ nixio__pushnumber(L, info.totalswap);
+ lua_setfield(L, -2, "totalswap");
+
+ lua_pushinteger(L, info.uptime);
+ lua_setfield(L, -2, "uptime");
+
+ return 1;
+}
+
+#endif
+
+
+/* module table */
+static const luaL_reg R[] = {
+#ifdef __linux__
+ {"sysinfo", nixio_sysinfo},
+#endif
+#ifndef __WINNT__
+ {"fork", nixio_fork},
+ {"kill", nixio_kill},
+ {"nice", nixio_nice},
+ {"getppid", nixio_getppid},
+ {"getuid", nixio_getuid},
+ {"getgid", nixio_getgid},
+ {"setuid", nixio_setuid},
+ {"setgid", nixio_setgid},
+ {"setsid", nixio_setsid},
+ {"wait", nixio_wait},
+ {"waitpid", nixio_wait},
+ {"times", nixio_times},
+ {"uname", nixio_uname},
+#endif
+ {"chdir", nixio_chdir},
+ {"signal", nixio_signal},
+ {"getpid", nixio_getpid},
+ {"getenv", nixio_getenv},
+ {"setenv", nixio_setenv},
+ {"putenv", nixio_setenv},
+ {"exec", nixio_exec},
+ {"execp", nixio_execp},
+ {"exece", nixio_exece},
+ {"getcwd", nixio_getcwd},
+ {"umask", nixio_umask},
+ {NULL, NULL}
+};
+
+void nixio_open_process(lua_State *L) {
+ luaL_register(L, NULL, R);
+}
diff --git a/libs/luci-lib-nixio/src/protoent.c b/libs/luci-lib-nixio/src/protoent.c
new file mode 100644
index 0000000000..bda68a5845
--- /dev/null
+++ b/libs/luci-lib-nixio/src/protoent.c
@@ -0,0 +1,103 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2011 Jo-Philipp Wich <jow@openwrt.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+
+#ifndef __WINNT__
+#include <netdb.h>
+#endif
+
+/**
+ * protoent conversion helper
+ */
+static int nixio__pushprotoent(lua_State *L, struct protoent *e) {
+ int i;
+ if (e) {
+ lua_newtable(L);
+
+ lua_pushstring(L, e->p_name);
+ lua_setfield(L, -2, "name");
+
+ lua_pushnumber(L, e->p_proto);
+ lua_setfield(L, -2, "proto");
+
+ lua_newtable(L);
+ for (i = 0; e->p_aliases[i]; i++) {
+ lua_pushstring(L, e->p_aliases[i]);
+ lua_rawseti(L, -2, i+1);
+ }
+ lua_setfield(L, -2, "aliases");
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+/**
+ * getprotobyname(name)
+ */
+static int nixio_getprotobyname(lua_State *L) {
+ const char *name = luaL_checkstring(L, 1);
+ struct protoent *res = getprotobyname(name);
+ return nixio__pushprotoent(L, res);
+}
+
+/**
+ * getprotobynumber(proto)
+ */
+static int nixio_getprotobynumber(lua_State *L) {
+ int proto = luaL_checkinteger(L, 1);
+ struct protoent *res = getprotobynumber(proto);
+ return nixio__pushprotoent(L, res);
+}
+
+/**
+ * getproto(name_or_proto)
+ */
+static int nixio_getproto(lua_State *L) {
+ int i = 1;
+ struct protoent *res;
+ if (lua_isnumber(L, 1)) {
+ return nixio_getprotobynumber(L);
+ } else if (lua_isstring(L, 1)) {
+ return nixio_getprotobyname(L);
+ } else if (lua_isnoneornil(L, 1)) {
+ setprotoent(1);
+ lua_newtable(L);
+ while ((res = getprotoent()) != NULL) {
+ nixio__pushprotoent(L, res);
+ lua_rawseti(L, -2, i++);
+ }
+ endprotoent();
+ return 1;
+ } else {
+ return luaL_argerror(L, 1, "supported values: <protoname>, <protonumber>");
+ }
+}
+
+/* module table */
+static const luaL_reg R[] = {
+ {"getprotobyname", nixio_getprotobyname},
+ {"getprotobynumber", nixio_getprotobynumber},
+ {"getproto", nixio_getproto},
+ {NULL, NULL}
+};
+
+void nixio_open_protoent(lua_State *L) {
+ luaL_register(L, NULL, R);
+}
diff --git a/libs/luci-lib-nixio/src/socket.c b/libs/luci-lib-nixio/src/socket.c
new file mode 100644
index 0000000000..17c6afc790
--- /dev/null
+++ b/libs/luci-lib-nixio/src/socket.c
@@ -0,0 +1,173 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+
+/**
+ * create new socket
+ */
+static int nixio_socket(lua_State *L) {
+ const char *domain = luaL_optlstring(L, 1, "", NULL);
+ const char *type = luaL_optlstring(L, 2, "", NULL);
+ const char *proto = lua_tolstring(L, 3, NULL);
+
+ nixio_sock *sock = lua_newuserdata(L, sizeof(nixio_sock));
+ if (!sock) {
+ return luaL_error(L, "out of memory");
+ }
+
+ if (!strcmp(domain, "inet")) {
+ sock->domain = AF_INET;
+ } else if (!strcmp(domain, "inet6")) {
+ sock->domain = AF_INET6;
+ } else if (!strcmp(domain, "unix")) {
+ sock->domain = AF_UNIX;
+ /*} else if (!strcmp(domain, "packet")) {
+ sock->domain = AF_PACKET;*/
+ } else {
+ return luaL_argerror(L, 1,
+ "supported values: inet, inet6, unix, packet"
+ );
+ }
+
+ if (!strcmp(type, "stream")) {
+ sock->type = SOCK_STREAM;
+ } else if (!strcmp(type, "dgram")) {
+ sock->type = SOCK_DGRAM;
+ } else if (!strcmp(type, "raw")) {
+ sock->type = SOCK_RAW;
+ } else {
+ return luaL_argerror(L, 2, "supported values: stream, dgram, raw");
+ }
+
+ if (!proto) {
+ sock->protocol = 0;
+ } else if (!strcmp(proto, "icmp")) {
+ sock->protocol = IPPROTO_ICMP;
+ } else if (!strcmp(proto, "icmpv6")) {
+ sock->protocol = IPPROTO_ICMPV6;
+ } else {
+ return luaL_argerror(L, 3, "supported values: [empty], icmp, icmpv6");
+ }
+
+ /* create userdata */
+ luaL_getmetatable(L, NIXIO_META);
+ lua_setmetatable(L, -2);
+
+ sock->fd = socket(sock->domain, sock->type, sock->protocol);
+
+ if (sock->fd < 0) {
+ return nixio__perror_s(L);
+ }
+
+ return 1;
+}
+
+/**
+ * close a socket
+ */
+static int nixio_sock_close(lua_State *L) {
+ nixio_sock *sock = nixio__checksock(L);
+ int sockfd = sock->fd;
+ int res;
+ sock->fd = -1;
+
+ do {
+#ifndef __WINNT__
+ res = close(sockfd);
+#else
+ res = closesocket(sockfd);
+#endif
+ } while (res == -1 && errno == EINTR);
+
+ return nixio__pstatus_s(L, !res);
+}
+
+/**
+ * garbage collector
+ */
+static int nixio_sock__gc(lua_State *L) {
+ nixio_sock *sock = (nixio_sock*)luaL_checkudata(L, 1, NIXIO_META);
+ int res;
+ if (sock && sock->fd != -1) {
+ do {
+#ifndef __WINNT__
+ res = close(sock->fd);
+#else
+ res = closesocket(sock->fd);
+#endif
+ } while (res == -1 && errno == EINTR);
+ }
+ return 0;
+}
+
+/**
+ * string representation
+ */
+static int nixio_sock__tostring(lua_State *L) {
+ lua_pushfstring(L, "nixio socket %d", nixio__checksockfd(L));
+ return 1;
+}
+
+/**
+ * shutdown a socket
+ */
+static int nixio_sock_shutdown(lua_State *L) {
+ int sockfd = nixio__checksockfd(L);
+ const char *what = luaL_optlstring(L, 2, "rdwr", NULL);
+ int how;
+
+ if (!strcmp(what, "rdwr") || !strcmp(what, "both")) {
+ how = SHUT_RDWR;
+ } else if (!strcmp(what, "rd") || !strcmp(what, "read")) {
+ how = SHUT_RD;
+ } else if (!strcmp(what, "wr") || !strcmp(what, "write")) {
+ how = SHUT_WR;
+ } else {
+ return luaL_argerror(L, 2, "supported values: both, read, write");
+ }
+
+ return nixio__pstatus_s(L, !shutdown(sockfd, how));
+}
+
+/* module table */
+static const luaL_reg R[] = {
+ {"socket", nixio_socket},
+ {NULL, NULL}
+};
+
+/* object table */
+static const luaL_reg M[] = {
+ {"close", nixio_sock_close},
+ {"shutdown", nixio_sock_shutdown},
+ {"__gc", nixio_sock__gc},
+ {"__tostring", nixio_sock__tostring},
+ {NULL, NULL}
+};
+
+void nixio_open_socket(lua_State *L) {
+ luaL_register(L, NULL, R);
+
+ lua_pushvalue(L, -2);
+ luaL_register(L, NULL, M);
+ lua_pop(L, 1);
+}
diff --git a/libs/luci-lib-nixio/src/sockopt.c b/libs/luci-lib-nixio/src/sockopt.c
new file mode 100644
index 0000000000..cede884ce4
--- /dev/null
+++ b/libs/luci-lib-nixio/src/sockopt.c
@@ -0,0 +1,390 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+
+#ifndef __WINNT__
+#include <net/if.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#ifndef IPV6_ADD_MEMBERSHIP
+#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
+#endif
+
+#ifndef IPV6_DROP_MEMBERSHIP
+#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
+#endif
+
+static int nixio_sock_fileno(lua_State *L) {
+ lua_pushinteger(L, nixio__checkfd(L, 1));
+ return 1;
+}
+
+/**
+ * setblocking()
+ */
+static int nixio_sock_setblocking(lua_State *L) {
+ int fd = nixio__checkfd(L, 1);
+ luaL_checkany(L, 2);
+ int set = lua_toboolean(L, 2);
+
+#ifndef __WINNT__
+
+ int flags = fcntl(fd, F_GETFL);
+
+ if (flags == -1) {
+ return nixio__perror(L);
+ }
+
+ if (!set) {
+ flags |= O_NONBLOCK;
+ } else {
+ flags &= ~O_NONBLOCK;
+ }
+
+ return nixio__pstatus(L, !fcntl(fd, F_SETFL, flags));
+
+#else /* __WINNT__ */
+
+ lua_getmetatable(L, 1);
+ luaL_getmetatable(L, NIXIO_META);
+ if (lua_equal(L, -1, -2)) { /* Socket */
+ unsigned long val = !set;
+ return nixio__pstatus_s(L, !ioctlsocket(fd, FIONBIO, &val));
+ } else { /* File */
+ WSASetLastError(WSAENOTSOCK);
+ return nixio__perror_s(L);
+ }
+
+#endif /* __WINNT__ */
+}
+
+static int nixio__gso_int(lua_State *L, int fd, int level, int opt, int set) {
+ int value;
+ socklen_t optlen = sizeof(value);
+ if (!set) {
+ if (!getsockopt(fd, level, opt, (char *)&value, &optlen)) {
+ lua_pushinteger(L, value);
+ return 1;
+ }
+ } else {
+ value = luaL_checkinteger(L, set);
+ if (!setsockopt(fd, level, opt, (char *)&value, optlen)) {
+ lua_pushboolean(L, 1);
+ return 1;
+ }
+ }
+ return nixio__perror_s(L);
+}
+
+static int nixio__gso_ling(lua_State *L, int fd, int level, int opt, int set) {
+ struct linger value;
+ socklen_t optlen = sizeof(value);
+ if (!set) {
+ if (!getsockopt(fd, level, opt, (char *)&value, &optlen)) {
+ lua_pushinteger(L, value.l_onoff ? value.l_linger : 0);
+ return 1;
+ }
+ } else {
+ value.l_linger = luaL_checkinteger(L, set);
+ value.l_onoff = value.l_linger ? 1 : 0;
+ if (!setsockopt(fd, level, opt, (char *)&value, optlen)) {
+ lua_pushboolean(L, 1);
+ return 1;
+ }
+ }
+ return nixio__perror_s(L);
+}
+
+static int nixio__gso_timev(lua_State *L, int fd, int level, int opt, int set) {
+ struct timeval value;
+ socklen_t optlen = sizeof(value);
+ if (!set) {
+ if (!getsockopt(fd, level, opt, (char *)&value, &optlen)) {
+ lua_pushinteger(L, value.tv_sec);
+ lua_pushinteger(L, value.tv_usec);
+ return 2;
+ }
+ } else {
+ value.tv_sec = luaL_checkinteger(L, set);
+ value.tv_usec = luaL_optinteger(L, set + 1, 0);
+ if (!setsockopt(fd, level, opt, (char *)&value, optlen)) {
+ lua_pushboolean(L, 1);
+ return 1;
+ }
+ }
+ return nixio__perror_s(L);
+}
+
+#ifdef SO_BINDTODEVICE
+
+static int nixio__gso_b(lua_State *L, int fd, int level, int opt, int set) {
+ if (!set) {
+ socklen_t optlen = IFNAMSIZ;
+ char ifname[IFNAMSIZ];
+ if (!getsockopt(fd, level, opt, (char *)ifname, &optlen)) {
+ lua_pushlstring(L, ifname, optlen);
+ return 1;
+ }
+ } else {
+ size_t valuelen;
+ const char *value = luaL_checklstring(L, set, &valuelen);
+ luaL_argcheck(L, valuelen <= IFNAMSIZ, set, "invalid interface name");
+ if (!setsockopt(fd, level, opt, (char *)value, valuelen)) {
+ lua_pushboolean(L, 1);
+ return 1;
+ }
+ }
+ return nixio__perror_s(L);
+}
+
+#endif /* SO_BINDTODEVICE */
+
+static int nixio__gso_mreq4(lua_State *L, int fd, int level, int opt, int set) {
+ struct ip_mreq value;
+ socklen_t optlen = sizeof(value);
+ if (!set) {
+ char buf[INET_ADDRSTRLEN];
+ if (!getsockopt(fd, level, opt, (char *)&value, &optlen)) {
+ if (!inet_ntop(AF_INET, &value.imr_multiaddr, buf, sizeof(buf))) {
+ return nixio__perror_s(L);
+ }
+ lua_pushstring(L, buf);
+ if (!inet_ntop(AF_INET, &value.imr_interface, buf, sizeof(buf))) {
+ return nixio__perror_s(L);
+ }
+ lua_pushstring(L, buf);
+ return 2;
+ }
+ } else {
+ const char *maddr = luaL_checkstring(L, set);
+ const char *iface = luaL_optstring(L, set + 1, "0.0.0.0");
+ if (inet_pton(AF_INET, maddr, &value.imr_multiaddr) < 1) {
+ return nixio__perror_s(L);
+ }
+ if (inet_pton(AF_INET, iface, &value.imr_interface) < 1) {
+ return nixio__perror_s(L);
+ }
+ if (!setsockopt(fd, level, opt, (char *)&value, optlen)) {
+ lua_pushboolean(L, 1);
+ return 1;
+ }
+ }
+ return nixio__perror_s(L);
+}
+
+static int nixio__gso_mreq6(lua_State *L, int fd, int level, int opt, int set) {
+ struct ipv6_mreq val;
+ socklen_t optlen = sizeof(val);
+ if (!set) {
+ char buf[INET_ADDRSTRLEN];
+ if (!getsockopt(fd, level, opt, (char *)&val, &optlen)) {
+ if (!inet_ntop(AF_INET6, &val.ipv6mr_multiaddr, buf, sizeof(buf))) {
+ return nixio__perror_s(L);
+ }
+ lua_pushstring(L, buf);
+ lua_pushinteger(L, val.ipv6mr_interface);
+ return 2;
+ }
+ } else {
+ const char *maddr = luaL_checkstring(L, set);
+ if (inet_pton(AF_INET6, maddr, &val.ipv6mr_multiaddr) < 1) {
+ return nixio__perror_s(L);
+ }
+ val.ipv6mr_interface = luaL_optlong(L, set + 1, 0);
+ if (!setsockopt(fd, level, opt, (char *)&val, optlen)) {
+ lua_pushboolean(L, 1);
+ return 1;
+ }
+ }
+ return nixio__perror_s(L);
+}
+
+/**
+ * get/setsockopt() helper
+ */
+static int nixio__getsetsockopt(lua_State *L, int set) {
+ nixio_sock *sock = nixio__checksock(L);
+ const char *level = luaL_optlstring(L, 2, "", NULL);
+ const char *option = luaL_optlstring(L, 3, "", NULL);
+ set = (set) ? 4 : 0;
+
+ if (!strcmp(level, "socket")) {
+ if (!strcmp(option, "keepalive")) {
+ return nixio__gso_int(L, sock->fd, SOL_SOCKET, SO_KEEPALIVE, set);
+ } else if (!strcmp(option, "reuseaddr")) {
+ return nixio__gso_int(L, sock->fd, SOL_SOCKET, SO_REUSEADDR, set);
+ } else if (!strcmp(option, "rcvbuf")) {
+ return nixio__gso_int(L, sock->fd, SOL_SOCKET, SO_RCVBUF, set);
+ } else if (!strcmp(option, "sndbuf")) {
+ return nixio__gso_int(L, sock->fd, SOL_SOCKET, SO_SNDBUF, set);
+ } else if (!strcmp(option, "priority")) {
+#ifdef SO_PRIORITY
+ return nixio__gso_int(L, sock->fd, SOL_SOCKET, SO_PRIORITY, set);
+#else
+ return nixio__pstatus(L, !(errno = ENOPROTOOPT));
+#endif
+ } else if (!strcmp(option, "broadcast")) {
+ return nixio__gso_int(L, sock->fd, SOL_SOCKET, SO_BROADCAST, set);
+ } else if (!strcmp(option, "dontroute")) {
+ return nixio__gso_int(L, sock->fd, SOL_SOCKET, SO_DONTROUTE, set);
+ } else if (!strcmp(option, "error")) {
+ return nixio__gso_int(L, sock->fd, SOL_SOCKET, SO_ERROR, set);
+ } else if (!strcmp(option, "oobinline")) {
+ return nixio__gso_int(L, sock->fd, SOL_SOCKET, SO_OOBINLINE, set);
+ } else if (!strcmp(option, "linger")) {
+ return nixio__gso_ling(L, sock->fd, SOL_SOCKET, SO_LINGER, set);
+ } else if (!strcmp(option, "sndtimeo")) {
+ return nixio__gso_timev(L, sock->fd, SOL_SOCKET, SO_SNDTIMEO, set);
+ } else if (!strcmp(option, "rcvtimeo")) {
+ return nixio__gso_timev(L, sock->fd, SOL_SOCKET, SO_RCVTIMEO, set);
+ } else if (!strcmp(option, "bindtodevice")) {
+#ifdef SO_BINDTODEVICE
+ return nixio__gso_b(L, sock->fd, SOL_SOCKET, SO_BINDTODEVICE, set);
+#else
+ return nixio__pstatus(L, !(errno = ENOPROTOOPT));
+#endif
+ } else {
+ return luaL_argerror(L, 3, "supported values: keepalive, reuseaddr,"
+ " sndbuf, rcvbuf, priority, broadcast, linger, sndtimeo, rcvtimeo,"
+ " dontroute, bindtodevice, error, oobinline"
+ );
+ }
+ } else if (!strcmp(level, "tcp")) {
+ if (!strcmp(option, "cork")) {
+#ifdef TCP_CORK
+ return nixio__gso_int(L, sock->fd, IPPROTO_TCP, TCP_CORK, set);
+#else
+ return nixio__pstatus(L, !(errno = ENOPROTOOPT));
+#endif
+ } else if (!strcmp(option, "nodelay")) {
+ return nixio__gso_int(L, sock->fd, IPPROTO_TCP, TCP_NODELAY, set);
+ } else {
+ return luaL_argerror(L, 3, "supported values: cork, nodelay");
+ }
+ } else if (!strcmp(level, "ip")) {
+ if (!strcmp(option, "mtu")) {
+#ifdef IP_MTU
+ return nixio__gso_int(L, sock->fd, IPPROTO_IP, IP_MTU, set);
+#else
+ return nixio__pstatus(L, !(errno = ENOPROTOOPT));
+#endif
+ } else if (!strcmp(option, "hdrincl")) {
+ return nixio__gso_int(L, sock->fd, IPPROTO_IP, IP_HDRINCL,
+ set);
+ } else if (!strcmp(option, "multicast_loop")) {
+ return nixio__gso_int(L, sock->fd, IPPROTO_IP, IP_MULTICAST_LOOP,
+ set);
+ } else if (!strcmp(option, "multicast_ttl")) {
+ return nixio__gso_int(L, sock->fd, IPPROTO_IP, IP_MULTICAST_TTL,
+ set);
+ } else if (!strcmp(option, "multicast_if")) {
+ return nixio__gso_mreq4(L, sock->fd, IPPROTO_IP, IP_MULTICAST_IF,
+ set);
+ } else if (!strcmp(option, "add_membership")) {
+ return nixio__gso_mreq4(L, sock->fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
+ set);
+ } else if (!strcmp(option, "drop_membership")) {
+ return nixio__gso_mreq4(L, sock->fd, IPPROTO_IP, IP_DROP_MEMBERSHIP,
+ set);
+ } else {
+ return luaL_argerror(L, 3,
+ "supported values: hdrincl, mtu, multicast_loop, "
+ "multicast_ttl, multicast_if, add_membership, drop_membership");
+ }
+ } else if (!strcmp(level, "ipv6")) {
+ if (!strcmp(option, "mtu")) {
+#ifdef IPV6_MTU
+ return nixio__gso_int(L, sock->fd, IPPROTO_IPV6, IPV6_MTU, set);
+#else
+ return nixio__pstatus(L, !(errno = ENOPROTOOPT));
+#endif
+ } else if (!strcmp(option, "v6only")) {
+#ifdef IPV6_V6ONLY
+ return nixio__gso_int(L, sock->fd, IPPROTO_IPV6, IPV6_V6ONLY, set);
+#else
+ return nixio__pstatus(L, !(errno = ENOPROTOOPT));
+#endif
+ } else if (!strcmp(option, "multicast_loop")) {
+ return nixio__gso_int(L, sock->fd, IPPROTO_IPV6,
+ IPV6_MULTICAST_LOOP, set);
+ } else if (!strcmp(option, "multicast_hops")) {
+ return nixio__gso_int(L, sock->fd, IPPROTO_IPV6,
+ IPV6_MULTICAST_HOPS, set);
+ } else if (!strcmp(option, "multicast_if")) {
+ return nixio__gso_mreq6(L, sock->fd, IPPROTO_IPV6,
+ IPV6_MULTICAST_IF, set);
+ } else if (!strcmp(option, "add_membership")) {
+ return nixio__gso_mreq6(L, sock->fd, IPPROTO_IPV6,
+ IPV6_ADD_MEMBERSHIP, set);
+ } else if (!strcmp(option, "drop_membership")) {
+ return nixio__gso_mreq6(L, sock->fd, IPPROTO_IPV6,
+ IPV6_DROP_MEMBERSHIP, set);
+ } else {
+ return luaL_argerror(L, 3,
+ "supported values: v6only, mtu, multicast_loop, multicast_hops,"
+ " multicast_if, add_membership, drop_membership");
+ }
+ } else {
+ return luaL_argerror(L, 2, "supported values: socket, tcp, ip, ipv6");
+ }
+}
+
+/**
+ * getsockopt()
+ */
+static int nixio_sock_getsockopt(lua_State *L) {
+ return nixio__getsetsockopt(L, 0);
+}
+
+/**
+ * setsockopt()
+ */
+static int nixio_sock_setsockopt(lua_State *L) {
+ return nixio__getsetsockopt(L, 1);
+}
+
+/* module table */
+static const luaL_reg M[] = {
+ {"setblocking", nixio_sock_setblocking},
+ {"getsockopt", nixio_sock_getsockopt},
+ {"setsockopt", nixio_sock_setsockopt},
+ {"getopt", nixio_sock_getsockopt},
+ {"setopt", nixio_sock_setsockopt},
+ {"fileno", nixio_sock_fileno},
+ {NULL, NULL}
+};
+
+void nixio_open_sockopt(lua_State *L) {
+ lua_pushvalue(L, -2);
+ luaL_register(L, NULL, M);
+ lua_pop(L, 1);
+
+ luaL_getmetatable(L, NIXIO_FILE_META);
+ lua_pushcfunction(L, nixio_sock_setblocking);
+ lua_setfield(L, -2, "setblocking");
+ lua_pushcfunction(L, nixio_sock_fileno);
+ lua_setfield(L, -2, "fileno");
+ lua_pop(L, 1);
+}
diff --git a/libs/luci-lib-nixio/src/splice.c b/libs/luci-lib-nixio/src/splice.c
new file mode 100644
index 0000000000..db63ea9a89
--- /dev/null
+++ b/libs/luci-lib-nixio/src/splice.c
@@ -0,0 +1,185 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifdef __linux__
+#define _GNU_SOURCE
+#endif
+
+#include "nixio.h"
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/param.h>
+
+
+#ifndef __WINNT__
+
+#ifndef BSD
+#include <sys/sendfile.h>
+#else
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#endif
+
+#ifdef _GNU_SOURCE
+#ifdef SPLICE_F_MOVE
+
+/* guess what sucks... */
+#ifdef __UCLIBC__
+#include <unistd.h>
+#include <sys/syscall.h>
+
+ssize_t splice(int __fdin, __off64_t *__offin, int __fdout,
+ __off64_t *__offout, size_t __len, unsigned int __flags) {
+#ifdef __NR_splice
+ return syscall(__NR_splice, __fdin, __offin, __fdout, __offout, __len, __flags);
+#else
+ (void)__fdin;
+ (void)__offin;
+ (void)__fdout;
+ (void)__offout;
+ (void)__len;
+ (void)__flags;
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+#undef SPLICE_F_MOVE
+#undef SPLICE_F_NONBLOCK
+#undef SPLICE_F_MORE
+
+#define SPLICE_F_MOVE 1
+#define SPLICE_F_NONBLOCK 2
+#define SPLICE_F_MORE 4
+
+#endif /* __UCLIBC__ */
+
+/**
+ * splice(fd_in, fd_out, length, flags)
+ */
+static int nixio_splice(lua_State *L) {
+ int fd_in = nixio__checkfd(L, 1);
+ int fd_out = nixio__checkfd(L, 2);
+ size_t len = luaL_checkinteger(L, 3);
+ int flags = luaL_optinteger(L, 4, 0);
+ long spliced;
+
+ do {
+ spliced = splice(fd_in, NULL, fd_out, NULL, len, flags);
+ } while (spliced == -1 && errno == EINTR);
+
+ if (spliced < 0) {
+ return nixio__perror(L);
+ }
+
+ lua_pushinteger(L, spliced);
+ return 1;
+}
+
+/**
+ * Translate splice flags to integer
+ */
+static int nixio_splice_flags(lua_State *L) {
+ const int j = lua_gettop(L);
+ int flags = 0;
+ for (int i=1; i<=j; i++) {
+ const char *flag = luaL_checkstring(L, i);
+ if (!strcmp(flag, "move")) {
+ flags |= SPLICE_F_MOVE;
+ } else if (!strcmp(flag, "nonblock")) {
+ flags |= SPLICE_F_NONBLOCK;
+ } else if (!strcmp(flag, "more")) {
+ flags |= SPLICE_F_MORE;
+ } else {
+ return luaL_argerror(L, i, "supported values: "
+ "move, nonblock, more");
+ }
+ }
+ lua_pushinteger(L, flags);
+
+ return 1;
+}
+
+#endif /* SPLICE_F_MOVE */
+#endif /* _GNU_SOURCE */
+
+/**
+ * sendfile(outfd, infd, length)
+ */
+static int nixio_sendfile(lua_State *L) {
+ int sock = nixio__checksockfd(L);
+ int infd = nixio__checkfd(L, 2);
+ size_t len = luaL_checkinteger(L, 3);
+ off_t spliced;
+
+#ifndef BSD
+ do {
+ spliced = sendfile(sock, infd, NULL, len);
+ } while (spliced == -1 && errno == EINTR);
+
+ if (spliced == -1) {
+ return nixio__perror(L);
+ }
+#else
+ int r;
+ const off_t offset = lseek(infd, 0, SEEK_CUR);
+
+ do {
+#ifdef __DARWIN__
+ r = sendfile(infd, sock, offset, (off_t *)&len, NULL, 0);
+ spliced = r;
+#else
+ r = sendfile(infd, sock, offset, len, NULL, &spliced, 0);
+#endif
+ } while (r == -1 && errno == EINTR);
+
+ if (r == -1) {
+ return nixio__perror(L);
+ }
+#endif
+
+ lua_pushinteger(L, spliced);
+ return 1;
+}
+
+/* module table */
+static const luaL_reg R[] = {
+#ifdef _GNU_SOURCE
+#ifdef SPLICE_F_MOVE
+ {"splice", nixio_splice},
+ {"splice_flags", nixio_splice_flags},
+#endif
+#endif
+ {"sendfile", nixio_sendfile},
+ {NULL, NULL}
+};
+
+
+void nixio_open_splice(lua_State *L) {
+ luaL_register(L, NULL, R);
+}
+
+#else /* __WINNT__ */
+
+void nixio_open_splice(lua_State *L) {
+}
+
+#endif /* !__WINNT__ */
diff --git a/libs/luci-lib-nixio/src/syslog.c b/libs/luci-lib-nixio/src/syslog.c
new file mode 100644
index 0000000000..89f1b1dda1
--- /dev/null
+++ b/libs/luci-lib-nixio/src/syslog.c
@@ -0,0 +1,122 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+#include <string.h>
+
+#ifndef __WINNT__
+#include <syslog.h>
+
+
+static int nixio_openlog(lua_State *L) {
+ int option = 0, facility = LOG_USER;
+
+ const char *ident = luaL_optstring(L, 1, "nixio");
+ const int j = lua_gettop(L);
+ for (int i=2; i<=j; i++) {
+ const char *flag = luaL_checkstring(L, i);
+ if (!strcmp(flag, "cons")) {
+ option |= LOG_CONS;
+ } else if (!strcmp(flag, "nowait")) {
+ option |= LOG_NOWAIT;
+ } else if (!strcmp(flag, "pid")) {
+ option |= LOG_PID;
+ } else if (!strcmp(flag, "perror")) {
+#ifdef LOG_PERROR
+ option |= LOG_PERROR;
+#endif
+ } else if (!strcmp(flag, "ndelay")) {
+ option |= LOG_NDELAY;
+ } else if (!strcmp(flag, "odelay")) {
+ option |= LOG_ODELAY;
+ } else {
+ return luaL_argerror(L, i,
+ "supported values: cons, nowait, pid, perror, ndelay, odelay");
+ }
+ }
+
+ openlog(ident, option, facility);
+ return 0;
+}
+
+static int nixio_closelog(lua_State *L) {
+ closelog();
+ return 0;
+}
+
+static int nixio__syslogmask(lua_State *L, int dolog) {
+ int priority;
+
+ const char *flag = luaL_checkstring(L, 1);
+ if (!strcmp(flag, "emerg")) {
+ priority = LOG_EMERG;
+ } else if (!strcmp(flag, "alert")) {
+ priority = LOG_ALERT;
+ } else if (!strcmp(flag, "crit")) {
+ priority = LOG_CRIT;
+ } else if (!strcmp(flag, "err")) {
+ priority = LOG_ERR;
+ } else if (!strcmp(flag, "warning")) {
+ priority = LOG_WARNING;
+ } else if (!strcmp(flag, "notice")) {
+ priority = LOG_NOTICE;
+ } else if (!strcmp(flag, "info")) {
+ priority = LOG_INFO;
+ } else if (!strcmp(flag, "debug")) {
+ priority = LOG_DEBUG;
+ } else {
+ return luaL_argerror(L, 1, "supported values: emerg, alert, crit, err, "
+ "warning, notice, info, debug");
+ }
+
+ if (dolog) {
+ const char *msg = luaL_checkstring(L, 2);
+ syslog(priority, "%s", msg);
+ } else {
+ setlogmask(LOG_UPTO(priority));
+ }
+ return 0;
+}
+
+static int nixio_setlogmask(lua_State *L) {
+ return nixio__syslogmask(L, 0);
+}
+
+static int nixio_syslog(lua_State *L) {
+ return nixio__syslogmask(L, 1);
+}
+
+/* module table */
+static const luaL_reg R[] = {
+ {"openlog", nixio_openlog},
+ {"syslog", nixio_syslog},
+ {"setlogmask", nixio_setlogmask},
+ {"closelog", nixio_closelog},
+ {NULL, NULL}
+};
+
+void nixio_open_syslog(lua_State *L) {
+ luaL_register(L, NULL, R);
+}
+
+#else /* __WINNT__ */
+
+void nixio_open_syslog(lua_State *L) {
+}
+
+#endif /* __WINNT__ */
diff --git a/libs/luci-lib-nixio/src/tls-context.c b/libs/luci-lib-nixio/src/tls-context.c
new file mode 100644
index 0000000000..e9a833f590
--- /dev/null
+++ b/libs/luci-lib-nixio/src/tls-context.c
@@ -0,0 +1,248 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio-tls.h"
+#include <string.h>
+
+static SSL_CTX* nixio__checktlsctx(lua_State *L) {
+ SSL_CTX **ctx = (SSL_CTX **)luaL_checkudata(L, 1, NIXIO_TLS_CTX_META);
+ luaL_argcheck(L, *ctx, 1, "invalid context");
+ return *ctx;
+}
+
+static int nixio__tls_perror(lua_State *L, int code) {
+ lua_pushnil(L);
+ lua_pushinteger(L, code);
+ return 2;
+}
+
+static int nixio__tls_pstatus(lua_State *L, int code) {
+ if (code == 1) {
+ lua_pushboolean(L, 1);
+ return 1;
+ } else {
+ return nixio__tls_perror(L, code);
+ }
+}
+
+static int nixio_tls_ctx(lua_State * L) {
+ const char *method = luaL_optlstring(L, 1, "client", NULL);
+
+ luaL_getmetatable(L, NIXIO_TLS_CTX_META);
+ SSL_CTX **ctx = lua_newuserdata(L, sizeof(SSL_CTX *));
+ if (!ctx) {
+ return luaL_error(L, "out of memory");
+ }
+
+ /* create userdata */
+ lua_pushvalue(L, -2);
+ lua_setmetatable(L, -2);
+
+ if (!strcmp(method, "client")) {
+ *ctx = SSL_CTX_new(TLSv1_client_method());
+ } else if (!strcmp(method, "server")) {
+ *ctx = SSL_CTX_new(TLSv1_server_method());
+ } else {
+ return luaL_argerror(L, 1, "supported values: client, server");
+ }
+
+ if (!(*ctx)) {
+ return luaL_error(L, "unable to create TLS context");
+ }
+
+#ifdef WITH_CYASSL
+ SSL_CTX_set_verify(*ctx, SSL_VERIFY_NONE, NULL);
+#endif
+
+ return 1;
+}
+
+static int nixio_tls_ctx_create(lua_State *L) {
+ SSL_CTX *ctx = nixio__checktlsctx(L);
+ int fd = nixio__checkfd(L, 2);
+
+ lua_createtable(L, 0, 3);
+ nixio_tls_sock *sock = lua_newuserdata(L, sizeof(nixio_tls_sock));
+ if (!sock) {
+ return luaL_error(L, "out of memory");
+ }
+ memset(sock, 0, sizeof(nixio_tls_sock));
+
+ /* create userdata */
+ luaL_getmetatable(L, NIXIO_TLS_SOCK_META);
+ lua_pushvalue(L, -1);
+ lua_setmetatable(L, -3);
+
+ sock->socket = SSL_new(ctx);
+ if (!sock->socket) {
+ return nixio__tls_perror(L, 0);
+ }
+
+ if (SSL_set_fd(sock->socket, fd) != 1) {
+ return nixio__tls_perror(L, 0);
+ }
+
+ /* save context and socket to prevent GC from collecting them */
+ lua_setmetatable(L, -3);
+ lua_setfield(L, -2, "connection");
+
+ lua_pushvalue(L, 1);
+ lua_setfield(L, -2, "context");
+
+ lua_pushvalue(L, 2);
+ lua_setfield(L, -2, "socket");
+
+ return 1;
+}
+
+static int nixio_tls_ctx_set_cert(lua_State *L) {
+ SSL_CTX *ctx = nixio__checktlsctx(L);
+ const char *cert = luaL_checkstring(L, 2);
+ const char *type = luaL_optstring(L, 3, "chain");
+ int ktype;
+
+ if (!strcmp(type, "chain")) {
+ return nixio__tls_pstatus(L,
+ SSL_CTX_use_certificate_chain_file(ctx, cert));
+ } else if (!strcmp(type, "pem")) {
+ ktype = SSL_FILETYPE_PEM;
+ } else if (!strcmp(type, "asn1")) {
+ ktype = SSL_FILETYPE_ASN1;
+ } else {
+ return luaL_argerror(L, 3, "supported values: chain, pem, asn1");
+ }
+
+ return nixio__tls_pstatus(L,
+ SSL_CTX_use_certificate_file(ctx, cert, ktype));
+}
+
+static int nixio_tls_ctx_set_verify_locations(lua_State *L) {
+ SSL_CTX *ctx = nixio__checktlsctx(L);
+ const char *CAfile = luaL_optstring(L, 2, NULL);
+ const char *CApath = luaL_optstring(L, 3, NULL);
+ return nixio__tls_pstatus(L, SSL_CTX_load_verify_locations(ctx,
+ CAfile, CApath));
+}
+
+static int nixio_tls_ctx_set_key(lua_State *L) {
+ SSL_CTX *ctx = nixio__checktlsctx(L);
+ const char *cert = luaL_checkstring(L, 2);
+ const char *type = luaL_optstring(L, 3, "pem");
+ int ktype;
+
+ if (!strcmp(type, "pem")) {
+ ktype = SSL_FILETYPE_PEM;
+ } else if (!strcmp(type, "asn1")) {
+ ktype = SSL_FILETYPE_ASN1;
+ } else {
+ return luaL_argerror(L, 3, "supported values: pem, asn1");
+ }
+
+ return nixio__tls_pstatus(L, SSL_CTX_use_PrivateKey_file(ctx, cert, ktype));
+}
+
+static int nixio_tls_ctx_set_ciphers(lua_State *L) {
+ SSL_CTX *ctx = nixio__checktlsctx(L);
+ size_t len;
+ const char *ciphers = luaL_checklstring(L, 2, &len);
+ luaL_argcheck(L, len < 255, 2, "cipher string too long");
+ return nixio__tls_pstatus(L, SSL_CTX_set_cipher_list(ctx, ciphers));
+}
+
+static int nixio_tls_ctx_set_verify(lua_State *L) {
+ SSL_CTX *ctx = nixio__checktlsctx(L);
+ const int j = lua_gettop(L);
+ int flags = 0;
+ for (int i=2; i<=j; i++) {
+ const char *flag = luaL_checkstring(L, i);
+ if (!strcmp(flag, "none")) {
+ flags |= SSL_VERIFY_NONE;
+ } else if (!strcmp(flag, "peer")) {
+ flags |= SSL_VERIFY_PEER;
+ } else if (!strcmp(flag, "verify_fail_if_no_peer_cert")) {
+ flags |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
+ } else if (!strcmp(flag, "client_once")) {
+ flags |= SSL_VERIFY_CLIENT_ONCE;
+ } else {
+ return luaL_argerror(L, i, "supported values: none, peer, "
+ "verify_fail_if_no_peer_cert, client_once");
+ }
+ }
+ SSL_CTX_set_verify(ctx, flags, NULL);
+ return 0;
+}
+
+static int nixio_tls_ctx__gc(lua_State *L) {
+ SSL_CTX **ctx = (SSL_CTX **)luaL_checkudata(L, 1, NIXIO_TLS_CTX_META);
+ if (*ctx) {
+ SSL_CTX_free(*ctx);
+ *ctx = NULL;
+ }
+ return 0;
+}
+
+static int nixio_tls_ctx__tostring(lua_State *L) {
+ SSL_CTX *ctx = nixio__checktlsctx(L);
+ lua_pushfstring(L, "nixio TLS context: %p", ctx);
+ return 1;
+}
+
+/* module table */
+static const luaL_reg R[] = {
+ {"tls", nixio_tls_ctx},
+ {NULL, NULL}
+};
+
+/* ctx function table */
+static const luaL_reg CTX_M[] = {
+ {"set_cert", nixio_tls_ctx_set_cert},
+ {"set_verify_locations", nixio_tls_ctx_set_verify_locations},
+ {"set_key", nixio_tls_ctx_set_key},
+ {"set_ciphers", nixio_tls_ctx_set_ciphers},
+ {"set_verify", nixio_tls_ctx_set_verify},
+ {"create", nixio_tls_ctx_create},
+ {"__gc", nixio_tls_ctx__gc},
+ {"__tostring", nixio_tls_ctx__tostring},
+ {NULL, NULL}
+};
+
+
+void nixio_open_tls_context(lua_State *L) {
+ /* initialize tls library */
+ SSL_load_error_strings();
+ SSL_library_init();
+
+ /* register module functions */
+ luaL_register(L, NULL, R);
+
+#if defined (WITH_AXTLS)
+ lua_pushliteral(L, "axtls");
+#elif defined (WITH_CYASSL)
+ lua_pushliteral(L, "cyassl");
+#else
+ lua_pushliteral(L, "openssl");
+#endif
+ lua_setfield(L, -2, "tls_provider");
+
+ /* create context metatable */
+ luaL_newmetatable(L, NIXIO_TLS_CTX_META);
+ lua_pushvalue(L, -1);
+ lua_setfield(L, -2, "__index");
+ luaL_register(L, NULL, CTX_M);
+ lua_setfield(L, -2, "meta_tls_context");
+}
diff --git a/libs/luci-lib-nixio/src/tls-crypto.c b/libs/luci-lib-nixio/src/tls-crypto.c
new file mode 100644
index 0000000000..714ec4e60c
--- /dev/null
+++ b/libs/luci-lib-nixio/src/tls-crypto.c
@@ -0,0 +1,185 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio-tls.h"
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+static int nixio_crypto_hash__init(lua_State *L, int hmac) {
+ const char *type = luaL_checkstring(L, 1);
+ nixio_hash *hash = lua_newuserdata(L, sizeof(nixio_hash));
+
+ if (!strcmp(type, "md5")) {
+ hash->type = NIXIO_HASH_MD5;
+ hash->digest_size = MD5_DIGEST_LENGTH;
+ hash->block_size = 64;
+ hash->ctx = malloc(sizeof(MD5_CTX));
+ if (!hash->ctx) {
+ return luaL_error(L, NIXIO_OOM);
+ }
+ MD5_Init((MD5_CTX*)hash->ctx);
+ hash->init = (nixio_hash_initcb)MD5_Init;
+ hash->update = (nixio_hash_updatecb)MD5_Update;
+ hash->final = (nixio_hash_finalcb)MD5_Final;
+ } else if (!strcmp(type, "sha1")) {
+ hash->type = NIXIO_HASH_SHA1;
+ hash->digest_size = SHA_DIGEST_LENGTH;
+ hash->block_size = 64;
+ hash->ctx = malloc(sizeof(SHA_CTX));
+ if (!hash->ctx) {
+ return luaL_error(L, NIXIO_OOM);
+ }
+ SHA1_Init((SHA_CTX*)hash->ctx);
+ hash->init = (nixio_hash_initcb)SHA1_Init;
+ hash->update = (nixio_hash_updatecb)SHA1_Update;
+ hash->final = (nixio_hash_finalcb)SHA1_Final;
+ } else {
+ luaL_argerror(L, 1, "supported values: md5, sha1");
+ }
+
+ luaL_getmetatable(L, NIXIO_CRYPTO_HASH_META);
+ lua_setmetatable(L, -2);
+
+ if (hmac) {
+ const char *key = luaL_checklstring(L, 2, &hash->key_size);
+ if (hash->key_size > hash->block_size) {
+ hash->update(hash->ctx, key, hash->key_size);
+ hash->final(hash->digest, hash->ctx);
+ hash->init(hash->ctx);
+ hash->key_size = hash->digest_size;
+ memcpy(hash->key, hash->digest, hash->key_size);
+ } else {
+ memcpy(hash->key, key, hash->key_size);
+ }
+
+ unsigned char pad[NIXIO_CRYPTO_BLOCK_SIZE];
+ for (uint i = 0; i < hash->block_size; i++) {
+ pad[i] = (i < hash->key_size) ? (0x36 ^ hash->key[i]) : 0x36;
+ }
+ hash->update(hash->ctx, pad, hash->block_size);
+ hash->type |= NIXIO_HMAC_BIT;
+ }
+
+ return 1;
+}
+
+static int nixio_crypto_hash(lua_State *L) {
+ return nixio_crypto_hash__init(L, 0);
+}
+
+static int nixio_crypto_hmac(lua_State *L) {
+ return nixio_crypto_hash__init(L, 1);
+}
+
+static int nixio_crypto_hash_update(lua_State *L) {
+ nixio_hash *hash = luaL_checkudata(L, 1, NIXIO_CRYPTO_HASH_META);
+ if (hash->type) {
+ size_t len;
+ const char *chunk = luaL_checklstring(L, 2, &len);
+ hash->update(hash->ctx, chunk, len);
+ lua_pushvalue(L, 1);
+ return 1;
+ } else {
+ return luaL_error(L, "Tried to update finalized hash object.");
+ }
+}
+
+static int nixio_crypto_hash_final(lua_State *L) {
+ nixio_hash *hash = luaL_checkudata(L, 1, NIXIO_CRYPTO_HASH_META);
+ if (hash->type & NIXIO_HMAC_BIT) {
+ hash->final(hash->digest, hash->ctx);
+ hash->init(hash->ctx);
+
+ unsigned char pad[NIXIO_CRYPTO_BLOCK_SIZE];
+ for (uint i = 0; i < hash->block_size; i++) {
+ pad[i] = (i < hash->key_size) ? (0x5c ^ hash->key[i]) : 0x5c;
+ }
+
+ hash->update(hash->ctx, pad, hash->block_size);
+ hash->update(hash->ctx, hash->digest, hash->digest_size);
+ }
+
+ if (hash->type) {
+ hash->type = NIXIO_HASH_NONE;
+ hash->final(hash->digest, hash->ctx);
+ free(hash->ctx);
+ }
+
+ char hashdigest[NIXIO_DIGEST_SIZE*2];
+ for (uint i=0; i < hash->digest_size; i++) {
+ hashdigest[2*i] = nixio__bin2hex[(hash->digest[i] & 0xf0) >> 4];
+ hashdigest[2*i+1] = nixio__bin2hex[(hash->digest[i] & 0x0f)];
+ }
+
+ lua_pushlstring(L, hashdigest, hash->digest_size * 2);
+ memcpy(hashdigest, hash->digest, hash->digest_size);
+ lua_pushlstring(L, hashdigest, hash->digest_size);
+
+ return 2;
+}
+
+static int nixio_crypto_hash__gc(lua_State *L) {
+ nixio_hash *hash = luaL_checkudata(L, 1, NIXIO_CRYPTO_HASH_META);
+ if (hash->type) {
+ hash->final(hash->digest, hash->ctx);
+ free(hash->ctx);
+ hash->type = NIXIO_HASH_NONE;
+ }
+ return 0;
+}
+
+static int nixio_crypto_hash__tostring(lua_State *L) {
+ nixio_hash *hash = luaL_checkudata(L, 1, NIXIO_CRYPTO_HASH_META);
+ lua_pushfstring(L, "nixio hash object: %p", hash);
+ return 1;
+}
+
+
+/* module table */
+static const luaL_reg R[] = {
+ {"hash", nixio_crypto_hash},
+ {"hmac", nixio_crypto_hmac},
+ {NULL, NULL}
+};
+
+/* hash table */
+static const luaL_reg M[] = {
+ {"update", nixio_crypto_hash_update},
+ {"final", nixio_crypto_hash_final},
+ {"__gc", nixio_crypto_hash__gc},
+ {"__tostring", nixio_crypto_hash__tostring},
+ {NULL, NULL}
+};
+
+
+
+void nixio_open_tls_crypto(lua_State *L) {
+ luaL_newmetatable(L, NIXIO_CRYPTO_HASH_META);
+ luaL_register(L, NULL, M);
+ lua_pushvalue(L, -1);
+ lua_setfield(L, -2, "__index");
+ lua_pop(L, 1);
+
+ lua_newtable(L);
+ luaL_register(L, NULL, R);
+
+ lua_setfield(L, -2, "crypto");
+}
diff --git a/libs/luci-lib-nixio/src/tls-socket.c b/libs/luci-lib-nixio/src/tls-socket.c
new file mode 100644
index 0000000000..fe4cb60755
--- /dev/null
+++ b/libs/luci-lib-nixio/src/tls-socket.c
@@ -0,0 +1,263 @@
+ /*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio-tls.h"
+#include <string.h>
+#include <stdlib.h>
+
+static int nixio__tls_sock_perror(lua_State *L, SSL *sock, int code) {
+ lua_pushnil(L);
+ lua_pushinteger(L, SSL_get_error(sock, code));
+ return 2;
+}
+
+static int nixio__tls_sock_pstatus(lua_State *L, SSL *sock, int code) {
+ if (code > 0) {
+ lua_pushboolean(L, 1);
+ return 1;
+ } else {
+ return nixio__tls_sock_perror(L, sock, code);
+ }
+}
+
+static SSL* nixio__checktlssock(lua_State *L) {
+ if (lua_istable(L, 1)) {
+ lua_getfield(L, 1, "connection");
+ lua_replace(L, 1);
+ }
+ nixio_tls_sock *sock = luaL_checkudata(L, 1, NIXIO_TLS_SOCK_META);
+ luaL_argcheck(L, sock->socket, 1, "invalid context");
+ return sock->socket;
+}
+
+#ifndef WITH_AXTLS
+#define nixio_tls__check_connected(L) ;
+
+#define nixio_tls__set_connected(L, val) ;
+#else
+#define nixio_tls__check_connected(L) \
+ nixio_tls_sock *ctsock = luaL_checkudata(L, 1, NIXIO_TLS_SOCK_META); \
+ if (!ctsock->connected) { \
+ lua_pushnil(L); \
+ lua_pushinteger(L, 1); \
+ return 2; \
+ }
+
+#define nixio_tls__set_connected(L, val) \
+((nixio_tls_sock*)luaL_checkudata(L, 1, NIXIO_TLS_SOCK_META))->connected = val;
+#endif /* WITH_AXTLS */
+
+static int nixio_tls_sock_recv(lua_State *L) {
+ SSL *sock = nixio__checktlssock(L);
+ nixio_tls__check_connected(L);
+ uint req = luaL_checkinteger(L, 2);
+
+ luaL_argcheck(L, req >= 0, 2, "out of range");
+
+ /* We limit the readsize to NIXIO_BUFFERSIZE */
+ req = (req > NIXIO_BUFFERSIZE) ? NIXIO_BUFFERSIZE : req;
+
+#ifndef WITH_AXTLS
+
+ char buffer[NIXIO_BUFFERSIZE];
+ int readc = SSL_read(sock, buffer, req);
+
+ if (readc < 0) {
+ return nixio__tls_sock_pstatus(L, sock, readc);
+ } else {
+ lua_pushlstring(L, buffer, readc);
+ return 1;
+ }
+
+#else
+
+ if (!req) {
+ lua_pushliteral(L, "");
+ return 1;
+ }
+
+ nixio_tls_sock *t = lua_touserdata(L, 1);
+
+ /* AXTLS doesn't handle buffering for us, so we have to hack around*/
+ if (req < t->pbufsiz) {
+ lua_pushlstring(L, t->pbufpos, req);
+ t->pbufpos += req;
+ t->pbufsiz -= req;
+ return 1;
+ } else {
+ uint8_t *axbuf;
+ int axread;
+
+ /* while handshake pending */
+ while ((axread = ssl_read(sock, &axbuf)) == SSL_OK);
+
+ if (t->pbufsiz) {
+ lua_pushlstring(L, t->pbufpos, t->pbufsiz);
+ }
+
+ if (axread < 0) {
+ /* There is an error */
+ free(t->pbuffer);
+ t->pbuffer = t->pbufpos = NULL;
+
+ if (axread != SSL_ERROR_CONN_LOST) {
+ t->pbufsiz = 0;
+ return nixio__tls_sock_perror(L, sock, axread);
+ } else {
+ if (!t->pbufsiz) {
+ lua_pushliteral(L, "");
+ } else {
+ t->pbufsiz = 0;
+ }
+ }
+ } else {
+ int stillwant = req - t->pbufsiz;
+ if (stillwant < axread) {
+ /* we got more data than we need */
+ lua_pushlstring(L, (char *)axbuf, stillwant);
+ if(t->pbufsiz) {
+ lua_concat(L, 2);
+ }
+
+ /* remaining data goes into the buffer */
+ t->pbufpos = t->pbuffer;
+ t->pbufsiz = axread - stillwant;
+ t->pbuffer = realloc(t->pbuffer, t->pbufsiz);
+ if (!t->pbuffer) {
+ free(t->pbufpos);
+ t->pbufpos = NULL;
+ t->pbufsiz = 0;
+ return luaL_error(L, "out of memory");
+ }
+
+ t->pbufpos = t->pbuffer;
+ memcpy(t->pbufpos, axbuf + stillwant, t->pbufsiz);
+ } else {
+ lua_pushlstring(L, (char *)axbuf, axread);
+ if(t->pbufsiz) {
+ lua_concat(L, 2);
+ }
+
+ /* free buffer */
+ free(t->pbuffer);
+ t->pbuffer = t->pbufpos = NULL;
+ t->pbufsiz = 0;
+ }
+ }
+ return 1;
+ }
+
+#endif /* WITH_AXTLS */
+
+}
+
+static int nixio_tls_sock_send(lua_State *L) {
+ SSL *sock = nixio__checktlssock(L);
+ nixio_tls__check_connected(L);
+ size_t len;
+ ssize_t sent;
+ const char *data = luaL_checklstring(L, 2, &len);
+
+ if (lua_gettop(L) > 2) {
+ int offset = luaL_optint(L, 3, 0);
+ if (offset) {
+ if (offset < len) {
+ data += offset;
+ len -= offset;
+ } else {
+ len = 0;
+ }
+ }
+
+ unsigned int wlen = luaL_optint(L, 4, len);
+ if (wlen < len) {
+ len = wlen;
+ }
+ }
+
+ sent = SSL_write(sock, data, len);
+ if (sent > 0) {
+ lua_pushinteger(L, sent);
+ return 1;
+ } else {
+ return nixio__tls_sock_pstatus(L, sock, sent);
+ }
+}
+
+static int nixio_tls_sock_accept(lua_State *L) {
+ SSL *sock = nixio__checktlssock(L);
+ const int stat = SSL_accept(sock);
+ nixio_tls__set_connected(L, stat == 1);
+ return nixio__tls_sock_pstatus(L, sock, stat);
+}
+
+static int nixio_tls_sock_connect(lua_State *L) {
+ SSL *sock = nixio__checktlssock(L);
+ const int stat = SSL_connect(sock);
+ nixio_tls__set_connected(L, stat == 1);
+ return nixio__tls_sock_pstatus(L, sock, stat);
+}
+
+static int nixio_tls_sock_shutdown(lua_State *L) {
+ SSL *sock = nixio__checktlssock(L);
+ nixio_tls__set_connected(L, 0);
+ return nixio__tls_sock_pstatus(L, sock, SSL_shutdown(sock));
+}
+
+static int nixio_tls_sock__gc(lua_State *L) {
+ nixio_tls_sock *sock = luaL_checkudata(L, 1, NIXIO_TLS_SOCK_META);
+ if (sock->socket) {
+ SSL_free(sock->socket);
+ sock->socket = NULL;
+#ifdef WITH_AXTLS
+ free(sock->pbuffer);
+#endif
+ }
+ return 0;
+}
+
+static int nixio_tls_sock__tostring(lua_State *L) {
+ SSL *sock = nixio__checktlssock(L);
+ lua_pushfstring(L, "nixio TLS connection: %p", sock);
+ return 1;
+}
+
+
+/* ctx function table */
+static const luaL_reg M[] = {
+ {"recv", nixio_tls_sock_recv},
+ {"send", nixio_tls_sock_send},
+ {"read", nixio_tls_sock_recv},
+ {"write", nixio_tls_sock_send},
+ {"accept", nixio_tls_sock_accept},
+ {"connect", nixio_tls_sock_connect},
+ {"shutdown", nixio_tls_sock_shutdown},
+ {"__gc", nixio_tls_sock__gc},
+ {"__tostring", nixio_tls_sock__tostring},
+ {NULL, NULL}
+};
+
+
+void nixio_open_tls_socket(lua_State *L) {
+ /* create socket metatable */
+ luaL_newmetatable(L, NIXIO_TLS_SOCK_META);
+ luaL_register(L, NULL, M);
+ lua_pushvalue(L, -1);
+ lua_setfield(L, -2, "__index");
+ lua_setfield(L, -2, "meta_tls_socket");
+}
diff --git a/libs/luci-lib-nixio/src/user.c b/libs/luci-lib-nixio/src/user.c
new file mode 100644
index 0000000000..b701bac955
--- /dev/null
+++ b/libs/luci-lib-nixio/src/user.c
@@ -0,0 +1,263 @@
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+#include <sys/types.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/param.h>
+
+#ifndef __WINNT__
+
+#include <grp.h>
+#include <pwd.h>
+
+#ifndef BSD
+#ifndef NO_SHADOW
+#include <shadow.h>
+#endif
+#include <crypt.h>
+#endif
+
+int nixio__check_group(lua_State *L, int idx) {
+ if (lua_isnumber(L, idx)) {
+ return lua_tointeger(L, idx);
+ } else if (lua_isstring(L, idx)) {
+ struct group *g = getgrnam(lua_tostring(L, idx));
+ return (!g) ? -1 : g->gr_gid;
+ } else {
+ return luaL_argerror(L, idx, "supported values: <groupname>, <gid>");
+ }
+}
+
+int nixio__check_user(lua_State *L, int idx) {
+ if (lua_isnumber(L, idx)) {
+ return lua_tointeger(L, idx);
+ } else if (lua_isstring(L, idx)) {
+ struct passwd *p = getpwnam(lua_tostring(L, idx));
+ return (!p) ? -1 : p->pw_uid;
+ } else {
+ return luaL_argerror(L, idx, "supported values: <username>, <uid>");
+ }
+}
+
+
+static int nixio__push_group(lua_State *L, struct group *gr) {
+ lua_createtable(L, 0, 4);
+ lua_pushstring(L, gr->gr_name);
+ lua_setfield(L, -2, "name");
+ lua_pushstring(L, gr->gr_passwd);
+ lua_setfield(L, -2, "passwd");
+ lua_pushinteger(L, gr->gr_gid);
+ lua_setfield(L, -2, "gid");
+ lua_newtable(L);
+
+ for (int i=0; gr->gr_mem[i]; i++) {
+ lua_pushstring(L, gr->gr_mem[i]);
+ lua_rawseti(L, -2, i+1);
+ }
+
+ lua_setfield(L, -2, "mem");
+ return 1;
+}
+
+static int nixio_getgr(lua_State *L) {
+ struct group *gr;
+ errno = 0;
+ if (lua_isnumber(L, 1)) {
+ gr = getgrgid(lua_tointeger(L, 1));
+ } else if (lua_isstring(L, 1)) {
+ gr = getgrnam(lua_tostring(L, 1));
+ } else if (lua_isnoneornil(L, 1)) {
+ lua_newtable(L);
+ int i = 0;
+
+ setgrent();
+ while ((gr = getgrent())) {
+ nixio__push_group(L, gr);
+ lua_rawseti(L, -2, ++i);
+ }
+
+ if (errno) {
+ return nixio__perror(L);
+ }
+
+ endgrent();
+ return 1;
+ } else {
+ return luaL_argerror(L, 1, "supported values: <groupname>, <gid>");
+ }
+
+ if (!gr) {
+ return nixio__perror(L);
+ } else {
+ return nixio__push_group(L, gr);
+ }
+}
+
+static int nixio__push_passwd(lua_State *L, struct passwd *pw) {
+ lua_createtable(L, 0, 7);
+ lua_pushstring(L, pw->pw_name);
+ lua_setfield(L, -2, "name");
+ lua_pushstring(L, pw->pw_passwd);
+ lua_setfield(L, -2, "passwd");
+ lua_pushinteger(L, pw->pw_gid);
+ lua_setfield(L, -2, "gid");
+ lua_pushinteger(L, pw->pw_uid);
+ lua_setfield(L, -2, "uid");
+ lua_pushstring(L, pw->pw_dir);
+ lua_setfield(L, -2, "dir");
+ lua_pushstring(L, pw->pw_gecos);
+ lua_setfield(L, -2, "gecos");
+ lua_pushstring(L, pw->pw_shell);
+ lua_setfield(L, -2, "shell");
+ return 1;
+}
+
+static int nixio_getpw(lua_State *L) {
+ struct passwd *pw;
+ errno = 0;
+ if (lua_isnumber(L, 1)) {
+ pw = getpwuid(lua_tointeger(L, 1));
+ } else if (lua_isstring(L, 1)) {
+ pw = getpwnam(lua_tostring(L, 1));
+ } else if (lua_isnoneornil(L, 1)) {
+ lua_newtable(L);
+ int i = 0;
+
+ setpwent();
+ while ((pw = getpwent())) {
+ nixio__push_passwd(L, pw);
+ lua_rawseti(L, -2, ++i);
+ }
+
+ if (errno) {
+ return nixio__perror(L);
+ }
+
+ endpwent();
+ return 1;
+ } else {
+ return luaL_argerror(L, 1, "supported values: <username>, <uid>");
+ }
+
+ if (!pw) {
+ return nixio__perror(L);
+ } else {
+ return nixio__push_passwd(L, pw);
+ }
+}
+
+#ifndef BSD
+#ifndef NO_SHADOW
+static int nixio__push_spwd(lua_State *L, struct spwd *sp) {
+ lua_createtable(L, 0, 9);
+ lua_pushstring(L, sp->sp_namp);
+ lua_setfield(L, -2, "namp");
+ lua_pushinteger(L, sp->sp_expire);
+ lua_setfield(L, -2, "expire");
+ lua_pushinteger(L, sp->sp_flag);
+ lua_setfield(L, -2, "flag");
+ lua_pushinteger(L, sp->sp_inact);
+ lua_setfield(L, -2, "inact");
+ lua_pushinteger(L, sp->sp_lstchg);
+ lua_setfield(L, -2, "lstchg");
+ lua_pushinteger(L, sp->sp_max);
+ lua_setfield(L, -2, "max");
+ lua_pushinteger(L, sp->sp_min);
+ lua_setfield(L, -2, "min");
+ lua_pushinteger(L, sp->sp_warn);
+ lua_setfield(L, -2, "warn");
+ lua_pushstring(L, sp->sp_pwdp);
+ lua_setfield(L, -2, "pwdp");
+ return 1;
+}
+
+static int nixio_getsp(lua_State *L) {
+ struct spwd *sp;
+ errno = 0;
+ if (lua_isstring(L, 1)) {
+ sp = getspnam(lua_tostring(L, 1));
+ } else if (lua_isnoneornil(L, 1)) {
+ lua_newtable(L);
+ int i = 0;
+
+ setspent();
+ while ((sp = getspent())) {
+ nixio__push_spwd(L, sp);
+ lua_rawseti(L, -2, ++i);
+ }
+
+ if (errno) {
+ return nixio__perror(L);
+ }
+
+ endspent();
+ return 1;
+ } else {
+ return luaL_argerror(L, 1, "supported values: <username>");
+ }
+
+ if (!sp) {
+ return nixio__perror(L);
+ } else {
+ return nixio__push_spwd(L, sp);
+ }
+}
+#endif /* !NO_SHADOW */
+#endif /* !BSD */
+
+static int nixio_crypt(lua_State *L) {
+ const char *key = luaL_checkstring(L, 1);
+ const char *salt = luaL_checkstring(L, 2);
+ const char *hash = crypt(key, salt);
+
+ if (hash) {
+ lua_pushstring(L, hash);
+ } else {
+ lua_pushnil(L);
+ }
+
+ return 1;
+}
+
+
+/* module table */
+static const luaL_reg R[] = {
+ {"crypt", nixio_crypt},
+ {"getgr", nixio_getgr},
+ {"getpw", nixio_getpw},
+#ifndef BSD
+#ifndef NO_SHADOW
+ {"getsp", nixio_getsp},
+#endif
+#endif
+ {NULL, NULL}
+};
+
+#else /* __WINNT__ */
+
+static const luaL_reg R[] = {
+ {NULL, NULL}
+};
+
+#endif
+
+void nixio_open_user(lua_State *L) {
+ luaL_register(L, NULL, R);
+}