diff options
Diffstat (limited to 'libs/lucittpd/src/main.c')
-rw-r--r-- | libs/lucittpd/src/main.c | 333 |
1 files changed, 0 insertions, 333 deletions
diff --git a/libs/lucittpd/src/main.c b/libs/lucittpd/src/main.c deleted file mode 100644 index 3ee5506a8a..0000000000 --- a/libs/lucittpd/src/main.c +++ /dev/null @@ -1,333 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2008 John Crispin <blogic@openwrt.org> - */ - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <errno.h> -#include <string.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <netinet/tcp.h> -#include <netdb.h> -#include <arpa/inet.h> -#include <sys/wait.h> -#include <signal.h> -#include <features.h> - -#include <lib/uci.h> -#include <lib/log.h> -#include <lib/signal.h> -#include <lib/luaplugin.h> - -#ifndef __UCLIBC__ -#include <sys/sendfile.h> -#endif - -#define BACKLOG 10 - -static int port = 0; -static const char *plugin_path = NULL; -static struct luaplugin_ctx ctx; -static struct luaplugin_entry *e; -static struct timeval timeout; - -static void load_config(void) -{ - timeout.tv_usec = 0; - - static struct uci_context* uci = 0; - uci = ucix_init("lucittpd"); - if(uci) - { - plugin_path = ucix_get_option(uci, "lucittpd", "lucittpd", "path"); - port = ucix_get_option_int(uci, "lucittpd", "lucittpd", "port", 80); - timeout.tv_sec = ucix_get_option_int(uci, "lucittpd", "lucittpd", "timeout", 90); - } else { - port = 8080; - timeout.tv_sec = 90; - } - if(!plugin_path) - plugin_path = strdup("/usr/lib/lucittpd/plugins/"); - - // ToDo: Check why below command segfaults in uci_free_context - //ucix_cleanup(uci); -} - -static int webuci_read(lua_State *L) -{ - int len = luaL_checkinteger(L, 1); - if (len <= 0) { - return luaL_argerror(L, 1, "too low"); - } - - char *buffer = malloc(len); - if (!buffer) { - return luaL_error(L, "malloc() failed"); - } - - int sockfd = lua_tointeger(L, lua_upvalueindex(1)); - - len = read(sockfd, buffer, len); - if (len > 0) { - lua_pushlstring(L, buffer, len); - free(buffer); - } else { - free(buffer); - lua_pushnil(L); - lua_pushinteger(L, (len == 0) ? 0 : errno); - return 2; - } - - /* fprintf(stderr, "%s:%s[%d] %d %d\n", __FILE__, __func__, __LINE__, sockfd, len); */ - - return 1; -} - -static int webuci_close(lua_State *L) -{ - int sockfd = lua_tointeger(L, lua_upvalueindex(1)); - int result = shutdown(sockfd, SHUT_RDWR); - close(sockfd); - /*log_printf("%s:%s[%d] %d %d\n", __FILE__, __func__, __LINE__, sockfd, result);*/ - - if (result < 0) { - lua_pushnil(L); - lua_pushinteger(L, errno); - return 2; - } else { - lua_pushboolean(L, 1); - return 1; - } -} - -static int webuci_write(lua_State *L) -{ - luaL_checktype(L, 1, LUA_TSTRING); - - size_t len; - const char *data = lua_tolstring(L, 1, &len); - int sockfd = lua_tointeger(L, lua_upvalueindex(1)); - - len = send(sockfd, data, len, 0); - /*log_printf("%s:%s[%d] %d %d - %s\n", __FILE__, __func__, __LINE__, sockfd, len, data);*/ - if (len < 0) { - lua_pushnil(L); - lua_pushinteger(L, errno); - return 2; - } else { - lua_pushinteger(L, len); - return 1; - } -} - -static int webuci_sendfile(lua_State *L) -{ - FILE **fp = (FILE **)luaL_checkudata(L, 1, LUA_FILEHANDLE); - if (*fp == NULL) { - return luaL_error(L, "attempt to use a closed file"); - } - - off_t offset = luaL_checkinteger(L, 2); - size_t size = luaL_checkinteger(L, 3); - - int sockfd = lua_tointeger(L, lua_upvalueindex(1)); - - int cork = 1; - setsockopt(sockfd, SOL_TCP, TCP_CORK, &cork, sizeof(cork)); - -#ifdef __UCLIBC__ - // uclibc is teh sux, it does not implement sendfile correctly - char tmp[1024]; - size_t c, toread = size, oldpos = ftell(*fp); - - fseek(*fp, offset, SEEK_SET); - - while(toread > 0 && (c = fread(tmp, 1, (toread < 1024) ? toread : 1024, *fp)) > 0) - { - size += c; - toread -= c; - write(sockfd, tmp, c); - } - - fseek(*fp, oldpos, SEEK_SET); -#else - size = sendfile(sockfd, fileno(*fp), &offset, size); - /*log_printf("%s:%s[%d] %d %d - %d\n", __FILE__, __func__, __LINE__, sockfd, fileno(*fp), size);*/ -#endif - - cork = 0; - setsockopt(sockfd, SOL_TCP, TCP_CORK, &cork, sizeof(cork)); - - if (size < 1) { - lua_pushnil(L); - lua_pushinteger(L, errno); - } else { - lua_pushinteger(L, size); - lua_pushinteger(L, offset); - } - - return 2; -} - - -static void load_luci(const char *plugindir) -{ - luaplugin_init(&ctx, plugindir); - luaplugin_scan(&ctx); - - list_for_each_entry(e, &ctx.entries, list) - { - lua_pushstring(ctx.L, "initialize"); - luaplugin_call(e, 0); - } - - list_for_each_entry(e, &ctx.entries, list) - { - lua_pushstring(ctx.L, "register"); - luaplugin_call(e, 0); - } - - list_for_each_entry(e, &ctx.entries, list) - { - lua_pushstring(ctx.L, "filter"); - luaplugin_call(e, 0); - } -} - -static void run_luci(int sockfd) -{ - lua_pushinteger(ctx.L, sockfd); - lua_pushcclosure(ctx.L, webuci_read, 1); - lua_setfield(ctx.L, LUA_GLOBALSINDEX, "webuci_read"); - - lua_pushinteger(ctx.L, sockfd); - lua_pushcclosure(ctx.L, webuci_write, 1); - lua_setfield(ctx.L, LUA_GLOBALSINDEX, "webuci_write"); - - lua_pushinteger(ctx.L, sockfd); - lua_pushcclosure(ctx.L, webuci_close, 1); - lua_setfield(ctx.L, LUA_GLOBALSINDEX, "webuci_close"); - - lua_pushinteger(ctx.L, sockfd); - lua_pushcclosure(ctx.L, webuci_sendfile, 1); - lua_setfield(ctx.L, LUA_GLOBALSINDEX, "webuci_sendfile"); - - list_for_each_entry(e, &ctx.entries, list) - { - lua_pushstring(ctx.L, "accept"); - luaplugin_call(e, 0); - } -} - -static void cleanup_luci(void) -{ - luaplugin_done(&ctx); -} - -int main(int argc, char **argv) -{ - int sockfd, new_fd; - struct sockaddr_storage their_addr; - socklen_t sin_size; - int yes = 1; - struct sockaddr_in myaddr; - - log_start(1); - - load_config(); - - setup_signals(); - - /* used by sdk to override plugin dir */ - if(argc != 2) - { - load_luci(plugin_path); - } else { - load_luci(argv[1]); - port = 8080; - } - - myaddr.sin_family = AF_INET; - myaddr.sin_port = htons(port); - //inet_pton(AF_INET, "63.161.169.137", &myaddr.sin_addr.s_addr); - myaddr.sin_addr.s_addr = INADDR_ANY; - - sockfd = socket(PF_INET, SOCK_STREAM, 0); - - if(sockfd == -1) - { - perror("server: socket"); - exit(1); - } - - if(setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)) == -1) - { - perror("setsockopt"); - exit(1); - } - - if(bind(sockfd, (struct sockaddr *)&myaddr, sizeof(myaddr)) == -1) - { - close(sockfd); - perror("server: bind"); - exit(1); - } - - if(listen(sockfd, BACKLOG) == -1) - { - perror("listen"); - exit(1); - } - - /*log_printf("server: waiting for connections...\n");*/ - - while(1) - { - sin_size = sizeof their_addr; - new_fd = accept(sockfd, (struct sockaddr *)&their_addr, &sin_size); - if(new_fd == -1) - { - perror("accept"); - continue; - } - - /*inet_ntop(their_addr.ss_family, - (void*)&((struct sockaddr_in*)&their_addr)->sin_addr, s, sizeof s); - log_printf("server: got connection from %s\n", s);*/ - - if(!fork()) - { - /* child */ - close(sockfd); - - setsockopt(new_fd, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout)); - setsockopt(new_fd, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(timeout)); - - run_luci(new_fd); - cleanup_luci(); - close(new_fd); - - exit(0); - } - close(new_fd); - } - - return 0; -} |