Rework LuCI build system

 * Rename subdirectories to their repective OpenWrt package names
 * Make each LuCI module its own standalone package
 * Deploy a shared luci.mk which is used by each module Makefile

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

1 files changed, 390 insertions, 0 deletions

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);
+}