[b7d3cc34] | 1 | /* |
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| 2 | * gaim |
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| 3 | * |
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| 4 | * Copyright (C) 1998-1999, Mark Spencer <markster@marko.net> |
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| 5 | * Copyright (C) 2002-2004, Wilmer van der Gaast, Jelmer Vernooij |
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| 6 | * |
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| 7 | * This program is free software; you can redistribute it and/or modify |
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| 8 | * it under the terms of the GNU General Public License as published by |
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| 9 | * the Free Software Foundation; either version 2 of the License, or |
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| 10 | * (at your option) any later version. |
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| 11 | * |
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| 12 | * This program is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | * GNU General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU General Public License |
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| 18 | * along with this program; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 20 | * |
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| 21 | */ |
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| 22 | |
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| 23 | /* this is a little piece of code to handle proxy connection */ |
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| 24 | /* it is intended to : 1st handle http proxy, using the CONNECT command |
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| 25 | , 2nd provide an easy way to add socks support */ |
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| 26 | |
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| 27 | #define BITLBEE_CORE |
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| 28 | #include <stdio.h> |
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| 29 | #include <stdlib.h> |
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| 30 | #include <string.h> |
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| 31 | #include <sys/types.h> |
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| 32 | #ifndef _WIN32 |
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| 33 | #include <sys/socket.h> |
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| 34 | #include <netdb.h> |
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| 35 | #include <netinet/in.h> |
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| 36 | #include <arpa/inet.h> |
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| 37 | #include <unistd.h> |
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| 38 | #else |
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| 39 | #include "sock.h" |
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| 40 | #define ETIMEDOUT WSAETIMEDOUT |
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| 41 | #define EINPROGRESS WSAEINPROGRESS |
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| 42 | #endif |
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| 43 | #include <fcntl.h> |
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| 44 | #include <errno.h> |
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| 45 | #include "nogaim.h" |
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| 46 | #include "proxy.h" |
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| 47 | |
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| 48 | #define GAIM_READ_COND (G_IO_IN | G_IO_HUP | G_IO_ERR) |
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| 49 | #define GAIM_WRITE_COND (G_IO_OUT | G_IO_HUP | G_IO_ERR | G_IO_NVAL) |
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| 50 | #define GAIM_ERR_COND (G_IO_HUP | G_IO_ERR | G_IO_NVAL) |
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| 51 | |
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| 52 | char proxyhost[128] = ""; |
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| 53 | int proxyport = 0; |
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| 54 | int proxytype = PROXY_NONE; |
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| 55 | char proxyuser[128] = ""; |
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| 56 | char proxypass[128] = ""; |
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| 57 | |
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| 58 | struct PHB { |
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| 59 | GaimInputFunction func, proxy_func; |
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| 60 | gpointer data, proxy_data; |
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| 61 | char *host; |
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| 62 | int port; |
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| 63 | int fd; |
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| 64 | gint inpa; |
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| 65 | }; |
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| 66 | |
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| 67 | typedef struct _GaimIOClosure { |
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| 68 | GaimInputFunction function; |
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| 69 | guint result; |
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| 70 | gpointer data; |
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| 71 | } GaimIOClosure; |
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| 72 | |
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| 73 | |
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| 74 | |
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| 75 | static struct sockaddr_in *gaim_gethostbyname(char *host, int port) |
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| 76 | { |
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| 77 | static struct sockaddr_in sin; |
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| 78 | |
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| 79 | if (!inet_aton(host, &sin.sin_addr)) { |
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| 80 | struct hostent *hp; |
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| 81 | if (!(hp = gethostbyname(host))) { |
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| 82 | return NULL; |
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| 83 | } |
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| 84 | memset(&sin, 0, sizeof(struct sockaddr_in)); |
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| 85 | memcpy(&sin.sin_addr.s_addr, hp->h_addr, hp->h_length); |
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| 86 | sin.sin_family = hp->h_addrtype; |
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| 87 | } else |
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| 88 | sin.sin_family = AF_INET; |
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| 89 | sin.sin_port = htons(port); |
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| 90 | |
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| 91 | return &sin; |
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| 92 | } |
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| 93 | |
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| 94 | static void gaim_io_destroy(gpointer data) |
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| 95 | { |
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| 96 | g_free(data); |
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| 97 | } |
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| 98 | |
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| 99 | static gboolean gaim_io_invoke(GIOChannel *source, GIOCondition condition, gpointer data) |
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| 100 | { |
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| 101 | GaimIOClosure *closure = data; |
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| 102 | GaimInputCondition gaim_cond = 0; |
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| 103 | |
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| 104 | if (condition & GAIM_READ_COND) |
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| 105 | gaim_cond |= GAIM_INPUT_READ; |
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| 106 | if (condition & GAIM_WRITE_COND) |
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| 107 | gaim_cond |= GAIM_INPUT_WRITE; |
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| 108 | // if (condition & GAIM_ERR_COND) |
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| 109 | // fprintf( stderr, "ERROR! fd=%d\n", g_io_channel_unix_get_fd( source ) ); |
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| 110 | |
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| 111 | closure->function(closure->data, g_io_channel_unix_get_fd(source), gaim_cond); |
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| 112 | |
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| 113 | return TRUE; |
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| 114 | } |
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| 115 | |
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| 116 | static void no_one_calls(gpointer data, gint source, GaimInputCondition cond) |
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| 117 | { |
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| 118 | struct PHB *phb = data; |
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| 119 | unsigned int len; |
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| 120 | int error = ETIMEDOUT; |
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| 121 | len = sizeof(error); |
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| 122 | |
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| 123 | #ifndef _WIN32 |
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| 124 | if (getsockopt(source, SOL_SOCKET, SO_ERROR, &error, &len) < 0) { |
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| 125 | closesocket(source); |
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| 126 | gaim_input_remove(phb->inpa); |
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| 127 | if( phb->proxy_func ) |
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| 128 | phb->proxy_func(phb->proxy_data, -1, GAIM_INPUT_READ); |
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| 129 | else { |
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| 130 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 131 | g_free(phb); |
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| 132 | } |
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| 133 | return; |
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| 134 | } |
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| 135 | fcntl(source, F_SETFL, 0); |
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| 136 | #endif |
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| 137 | gaim_input_remove(phb->inpa); |
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| 138 | if( phb->proxy_func ) |
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| 139 | phb->proxy_func(phb->proxy_data, source, GAIM_INPUT_READ); |
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| 140 | else { |
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| 141 | phb->func(phb->data, source, GAIM_INPUT_READ); |
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| 142 | g_free(phb); |
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| 143 | } |
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| 144 | } |
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| 145 | |
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| 146 | static int proxy_connect_none(char *host, unsigned short port, struct PHB *phb) |
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| 147 | { |
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| 148 | struct sockaddr_in *sin; |
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| 149 | int fd = -1; |
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| 150 | |
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| 151 | if (!(sin = gaim_gethostbyname(host, port))) { |
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| 152 | g_free(phb); |
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| 153 | return -1; |
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| 154 | } |
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| 155 | |
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| 156 | if ((fd = socket(sin->sin_family, SOCK_STREAM, 0)) < 0) { |
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| 157 | g_free(phb); |
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| 158 | return -1; |
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| 159 | } |
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| 160 | |
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| 161 | sock_make_nonblocking(fd); |
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| 162 | |
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| 163 | if (connect(fd, (struct sockaddr *)sin, sizeof(*sin)) < 0) { |
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| 164 | if (sockerr_again()) { |
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| 165 | phb->inpa = gaim_input_add(fd, GAIM_INPUT_WRITE, no_one_calls, phb); |
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| 166 | phb->fd = fd; |
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| 167 | } else { |
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| 168 | closesocket(fd); |
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| 169 | g_free(phb); |
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| 170 | return -1; |
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| 171 | } |
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| 172 | } |
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| 173 | |
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| 174 | return fd; |
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| 175 | } |
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| 176 | |
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| 177 | |
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| 178 | /* Connecting to HTTP proxies */ |
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| 179 | |
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| 180 | #define HTTP_GOODSTRING "HTTP/1.0 200 Connection established" |
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| 181 | #define HTTP_GOODSTRING2 "HTTP/1.1 200 Connection established" |
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| 182 | |
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| 183 | static void http_canread(gpointer data, gint source, GaimInputCondition cond) |
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| 184 | { |
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| 185 | int nlc = 0; |
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| 186 | int pos = 0; |
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| 187 | struct PHB *phb = data; |
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| 188 | char inputline[8192]; |
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| 189 | |
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| 190 | gaim_input_remove(phb->inpa); |
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| 191 | |
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| 192 | while ((pos < sizeof(inputline)-1) && (nlc != 2) && (read(source, &inputline[pos++], 1) == 1)) { |
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| 193 | if (inputline[pos - 1] == '\n') |
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| 194 | nlc++; |
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| 195 | else if (inputline[pos - 1] != '\r') |
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| 196 | nlc = 0; |
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| 197 | } |
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| 198 | inputline[pos] = '\0'; |
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| 199 | |
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| 200 | if ((memcmp(HTTP_GOODSTRING, inputline, strlen(HTTP_GOODSTRING)) == 0) || |
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| 201 | (memcmp(HTTP_GOODSTRING2, inputline, strlen(HTTP_GOODSTRING2)) == 0)) { |
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| 202 | phb->func(phb->data, source, GAIM_INPUT_READ); |
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| 203 | g_free(phb->host); |
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| 204 | g_free(phb); |
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| 205 | return; |
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| 206 | } |
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| 207 | |
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| 208 | close(source); |
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| 209 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 210 | g_free(phb->host); |
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| 211 | g_free(phb); |
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| 212 | return; |
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| 213 | } |
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| 214 | |
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| 215 | static void http_canwrite(gpointer data, gint source, GaimInputCondition cond) |
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| 216 | { |
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| 217 | char cmd[384]; |
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| 218 | struct PHB *phb = data; |
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| 219 | unsigned int len; |
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| 220 | int error = ETIMEDOUT; |
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| 221 | if (phb->inpa > 0) |
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| 222 | gaim_input_remove(phb->inpa); |
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| 223 | len = sizeof(error); |
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| 224 | if (getsockopt(source, SOL_SOCKET, SO_ERROR, &error, &len) < 0) { |
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| 225 | close(source); |
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| 226 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 227 | g_free(phb->host); |
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| 228 | g_free(phb); |
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| 229 | return; |
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| 230 | } |
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| 231 | #ifdef F_SETFL |
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| 232 | fcntl(source, F_SETFL, 0); |
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| 233 | #endif |
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| 234 | |
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| 235 | g_snprintf(cmd, sizeof(cmd), "CONNECT %s:%d HTTP/1.1\r\nHost: %s:%d\r\n", phb->host, phb->port, |
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| 236 | phb->host, phb->port); |
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| 237 | if (send(source, cmd, strlen(cmd), 0) < 0) { |
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| 238 | close(source); |
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| 239 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 240 | g_free(phb->host); |
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| 241 | g_free(phb); |
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| 242 | return; |
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| 243 | } |
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| 244 | |
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| 245 | if (proxyuser && *proxyuser) { |
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| 246 | char *t1, *t2; |
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| 247 | t1 = g_strdup_printf("%s:%s", proxyuser, proxypass); |
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| 248 | t2 = tobase64(t1); |
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| 249 | g_free(t1); |
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| 250 | g_snprintf(cmd, sizeof(cmd), "Proxy-Authorization: Basic %s\r\n", t2); |
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| 251 | g_free(t2); |
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| 252 | if (send(source, cmd, strlen(cmd), 0) < 0) { |
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| 253 | close(source); |
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| 254 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 255 | g_free(phb->host); |
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| 256 | g_free(phb); |
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| 257 | return; |
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| 258 | } |
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| 259 | } |
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| 260 | |
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| 261 | g_snprintf(cmd, sizeof(cmd), "\r\n"); |
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| 262 | if (send(source, cmd, strlen(cmd), 0) < 0) { |
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| 263 | close(source); |
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| 264 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 265 | g_free(phb->host); |
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| 266 | g_free(phb); |
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| 267 | return; |
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| 268 | } |
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| 269 | |
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| 270 | phb->inpa = gaim_input_add(source, GAIM_INPUT_READ, http_canread, phb); |
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| 271 | } |
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| 272 | |
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| 273 | static int proxy_connect_http(char *host, unsigned short port, struct PHB *phb) |
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| 274 | { |
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| 275 | phb->host = g_strdup(host); |
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| 276 | phb->port = port; |
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| 277 | phb->proxy_func = http_canwrite; |
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| 278 | phb->proxy_data = phb; |
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| 279 | |
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| 280 | return( proxy_connect_none( proxyhost, proxyport, phb ) ); |
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| 281 | } |
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| 282 | |
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| 283 | |
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| 284 | /* Connecting to SOCKS4 proxies */ |
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| 285 | |
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| 286 | static void s4_canread(gpointer data, gint source, GaimInputCondition cond) |
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| 287 | { |
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| 288 | unsigned char packet[12]; |
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| 289 | struct PHB *phb = data; |
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| 290 | |
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| 291 | gaim_input_remove(phb->inpa); |
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| 292 | |
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| 293 | memset(packet, 0, sizeof(packet)); |
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| 294 | if (read(source, packet, 9) >= 4 && packet[1] == 90) { |
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| 295 | phb->func(phb->data, source, GAIM_INPUT_READ); |
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| 296 | g_free(phb->host); |
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| 297 | g_free(phb); |
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| 298 | return; |
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| 299 | } |
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| 300 | |
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| 301 | close(source); |
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| 302 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 303 | g_free(phb->host); |
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| 304 | g_free(phb); |
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| 305 | } |
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| 306 | |
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| 307 | static void s4_canwrite(gpointer data, gint source, GaimInputCondition cond) |
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| 308 | { |
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| 309 | unsigned char packet[12]; |
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| 310 | struct hostent *hp; |
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| 311 | struct PHB *phb = data; |
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| 312 | unsigned int len; |
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| 313 | int error = ETIMEDOUT; |
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| 314 | if (phb->inpa > 0) |
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| 315 | gaim_input_remove(phb->inpa); |
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| 316 | len = sizeof(error); |
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| 317 | if (getsockopt(source, SOL_SOCKET, SO_ERROR, &error, &len) < 0) { |
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| 318 | close(source); |
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| 319 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 320 | g_free(phb->host); |
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| 321 | g_free(phb); |
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| 322 | return; |
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| 323 | } |
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| 324 | #ifdef F_SETFL |
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| 325 | fcntl(source, F_SETFL, 0); |
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| 326 | #endif |
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| 327 | |
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| 328 | /* XXX does socks4 not support host name lookups by the proxy? */ |
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| 329 | if (!(hp = gethostbyname(phb->host))) { |
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| 330 | close(source); |
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| 331 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 332 | g_free(phb->host); |
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| 333 | g_free(phb); |
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| 334 | return; |
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| 335 | } |
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| 336 | |
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| 337 | packet[0] = 4; |
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| 338 | packet[1] = 1; |
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| 339 | packet[2] = phb->port >> 8; |
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| 340 | packet[3] = phb->port & 0xff; |
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| 341 | packet[4] = (unsigned char)(hp->h_addr_list[0])[0]; |
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| 342 | packet[5] = (unsigned char)(hp->h_addr_list[0])[1]; |
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| 343 | packet[6] = (unsigned char)(hp->h_addr_list[0])[2]; |
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| 344 | packet[7] = (unsigned char)(hp->h_addr_list[0])[3]; |
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| 345 | packet[8] = 0; |
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| 346 | if (write(source, packet, 9) != 9) { |
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| 347 | close(source); |
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| 348 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 349 | g_free(phb->host); |
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| 350 | g_free(phb); |
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| 351 | return; |
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| 352 | } |
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| 353 | |
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| 354 | phb->inpa = gaim_input_add(source, GAIM_INPUT_READ, s4_canread, phb); |
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| 355 | } |
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| 356 | |
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| 357 | static int proxy_connect_socks4(char *host, unsigned short port, struct PHB *phb) |
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| 358 | { |
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| 359 | phb->host = g_strdup(host); |
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| 360 | phb->port = port; |
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| 361 | phb->proxy_func = s4_canwrite; |
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| 362 | phb->proxy_data = phb; |
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| 363 | |
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| 364 | return( proxy_connect_none( proxyhost, proxyport, phb ) ); |
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| 365 | } |
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| 366 | |
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| 367 | |
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| 368 | /* Connecting to SOCKS5 proxies */ |
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| 369 | |
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| 370 | static void s5_canread_again(gpointer data, gint source, GaimInputCondition cond) |
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| 371 | { |
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| 372 | unsigned char buf[512]; |
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| 373 | struct PHB *phb = data; |
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| 374 | |
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| 375 | gaim_input_remove(phb->inpa); |
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| 376 | |
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| 377 | if (read(source, buf, 10) < 10) { |
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| 378 | close(source); |
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| 379 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 380 | g_free(phb->host); |
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| 381 | g_free(phb); |
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| 382 | return; |
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| 383 | } |
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| 384 | if ((buf[0] != 0x05) || (buf[1] != 0x00)) { |
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| 385 | close(source); |
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| 386 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 387 | g_free(phb->host); |
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| 388 | g_free(phb); |
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| 389 | return; |
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| 390 | } |
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| 391 | |
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| 392 | phb->func(phb->data, source, GAIM_INPUT_READ); |
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| 393 | g_free(phb->host); |
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| 394 | g_free(phb); |
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| 395 | return; |
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| 396 | } |
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| 397 | |
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| 398 | static void s5_sendconnect(gpointer data, gint source) |
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| 399 | { |
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| 400 | unsigned char buf[512]; |
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| 401 | struct PHB *phb = data; |
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| 402 | int hlen = strlen(phb->host); |
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| 403 | |
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| 404 | buf[0] = 0x05; |
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| 405 | buf[1] = 0x01; /* CONNECT */ |
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| 406 | buf[2] = 0x00; /* reserved */ |
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| 407 | buf[3] = 0x03; /* address type -- host name */ |
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| 408 | buf[4] = hlen; |
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| 409 | memcpy(buf + 5, phb->host, hlen); |
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| 410 | buf[5 + strlen(phb->host)] = phb->port >> 8; |
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| 411 | buf[5 + strlen(phb->host) + 1] = phb->port & 0xff; |
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| 412 | |
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| 413 | if (write(source, buf, (5 + strlen(phb->host) + 2)) < (5 + strlen(phb->host) + 2)) { |
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| 414 | close(source); |
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| 415 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 416 | g_free(phb->host); |
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| 417 | g_free(phb); |
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| 418 | return; |
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| 419 | } |
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| 420 | |
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| 421 | phb->inpa = gaim_input_add(source, GAIM_INPUT_READ, s5_canread_again, phb); |
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| 422 | } |
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| 423 | |
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| 424 | static void s5_readauth(gpointer data, gint source, GaimInputCondition cond) |
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| 425 | { |
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| 426 | unsigned char buf[512]; |
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| 427 | struct PHB *phb = data; |
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| 428 | |
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| 429 | gaim_input_remove(phb->inpa); |
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| 430 | |
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| 431 | if (read(source, buf, 2) < 2) { |
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| 432 | close(source); |
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| 433 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 434 | g_free(phb->host); |
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| 435 | g_free(phb); |
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| 436 | return; |
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| 437 | } |
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| 438 | |
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| 439 | if ((buf[0] != 0x01) || (buf[1] != 0x00)) { |
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| 440 | close(source); |
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| 441 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 442 | g_free(phb->host); |
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| 443 | g_free(phb); |
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| 444 | return; |
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| 445 | } |
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| 446 | |
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| 447 | s5_sendconnect(phb, source); |
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| 448 | } |
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| 449 | |
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| 450 | static void s5_canread(gpointer data, gint source, GaimInputCondition cond) |
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| 451 | { |
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| 452 | unsigned char buf[512]; |
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| 453 | struct PHB *phb = data; |
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| 454 | |
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| 455 | gaim_input_remove(phb->inpa); |
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| 456 | |
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| 457 | if (read(source, buf, 2) < 2) { |
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| 458 | close(source); |
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| 459 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 460 | g_free(phb->host); |
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| 461 | g_free(phb); |
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| 462 | return; |
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| 463 | } |
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| 464 | |
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| 465 | if ((buf[0] != 0x05) || (buf[1] == 0xff)) { |
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| 466 | close(source); |
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| 467 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 468 | g_free(phb->host); |
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| 469 | g_free(phb); |
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| 470 | return; |
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| 471 | } |
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| 472 | |
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| 473 | if (buf[1] == 0x02) { |
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| 474 | unsigned int i = strlen(proxyuser), j = strlen(proxypass); |
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| 475 | buf[0] = 0x01; /* version 1 */ |
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| 476 | buf[1] = i; |
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| 477 | memcpy(buf + 2, proxyuser, i); |
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| 478 | buf[2 + i] = j; |
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| 479 | memcpy(buf + 2 + i + 1, proxypass, j); |
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| 480 | if (write(source, buf, 3 + i + j) < 3 + i + j) { |
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| 481 | close(source); |
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| 482 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 483 | g_free(phb->host); |
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| 484 | g_free(phb); |
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| 485 | return; |
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| 486 | } |
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| 487 | |
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| 488 | phb->inpa = gaim_input_add(source, GAIM_INPUT_READ, s5_readauth, phb); |
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| 489 | } else { |
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| 490 | s5_sendconnect(phb, source); |
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| 491 | } |
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| 492 | } |
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| 493 | |
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| 494 | static void s5_canwrite(gpointer data, gint source, GaimInputCondition cond) |
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| 495 | { |
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| 496 | unsigned char buf[512]; |
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| 497 | int i; |
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| 498 | struct PHB *phb = data; |
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| 499 | unsigned int len; |
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| 500 | int error = ETIMEDOUT; |
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| 501 | if (phb->inpa > 0) |
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| 502 | gaim_input_remove(phb->inpa); |
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| 503 | len = sizeof(error); |
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| 504 | if (getsockopt(source, SOL_SOCKET, SO_ERROR, &error, &len) < 0) { |
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| 505 | close(source); |
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| 506 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
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| 507 | g_free(phb->host); |
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| 508 | g_free(phb); |
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| 509 | return; |
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| 510 | } |
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| 511 | #ifdef F_SETFL |
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| 512 | fcntl(source, F_SETFL, 0); |
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| 513 | #endif |
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| 514 | |
---|
| 515 | i = 0; |
---|
| 516 | buf[0] = 0x05; /* SOCKS version 5 */ |
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| 517 | if (proxyuser[0]) { |
---|
| 518 | buf[1] = 0x02; /* two methods */ |
---|
| 519 | buf[2] = 0x00; /* no authentication */ |
---|
| 520 | buf[3] = 0x02; /* username/password authentication */ |
---|
| 521 | i = 4; |
---|
| 522 | } else { |
---|
| 523 | buf[1] = 0x01; |
---|
| 524 | buf[2] = 0x00; |
---|
| 525 | i = 3; |
---|
| 526 | } |
---|
| 527 | |
---|
| 528 | if (write(source, buf, i) < i) { |
---|
| 529 | close(source); |
---|
| 530 | phb->func(phb->data, -1, GAIM_INPUT_READ); |
---|
| 531 | g_free(phb->host); |
---|
| 532 | g_free(phb); |
---|
| 533 | return; |
---|
| 534 | } |
---|
| 535 | |
---|
| 536 | phb->inpa = gaim_input_add(source, GAIM_INPUT_READ, s5_canread, phb); |
---|
| 537 | } |
---|
| 538 | |
---|
| 539 | static int proxy_connect_socks5(char *host, unsigned short port, struct PHB *phb) |
---|
| 540 | { |
---|
| 541 | phb->host = g_strdup(host); |
---|
| 542 | phb->port = port; |
---|
| 543 | phb->proxy_func = s5_canwrite; |
---|
| 544 | phb->proxy_data = phb; |
---|
| 545 | |
---|
| 546 | return( proxy_connect_none( proxyhost, proxyport, phb ) ); |
---|
| 547 | } |
---|
| 548 | |
---|
| 549 | |
---|
| 550 | /* Export functions */ |
---|
| 551 | |
---|
| 552 | gint gaim_input_add(gint source, GaimInputCondition condition, GaimInputFunction function, gpointer data) |
---|
| 553 | { |
---|
| 554 | GaimIOClosure *closure = g_new0(GaimIOClosure, 1); |
---|
| 555 | GIOChannel *channel; |
---|
| 556 | GIOCondition cond = 0; |
---|
| 557 | |
---|
| 558 | closure->function = function; |
---|
| 559 | closure->data = data; |
---|
| 560 | |
---|
| 561 | if (condition & GAIM_INPUT_READ) |
---|
| 562 | cond |= GAIM_READ_COND; |
---|
| 563 | if (condition & GAIM_INPUT_WRITE) |
---|
| 564 | cond |= GAIM_WRITE_COND; |
---|
| 565 | |
---|
| 566 | channel = g_io_channel_unix_new(source); |
---|
| 567 | closure->result = g_io_add_watch_full(channel, G_PRIORITY_DEFAULT, cond, |
---|
| 568 | gaim_io_invoke, closure, gaim_io_destroy); |
---|
| 569 | |
---|
| 570 | g_io_channel_unref(channel); |
---|
| 571 | return closure->result; |
---|
| 572 | } |
---|
| 573 | |
---|
| 574 | void gaim_input_remove(gint tag) |
---|
| 575 | { |
---|
| 576 | if (tag > 0) |
---|
| 577 | g_source_remove(tag); |
---|
| 578 | } |
---|
| 579 | |
---|
| 580 | int proxy_connect(char *host, int port, GaimInputFunction func, gpointer data) |
---|
| 581 | { |
---|
| 582 | struct PHB *phb; |
---|
| 583 | |
---|
| 584 | if (!host || !port || (port == -1) || !func || strlen(host) > 128) { |
---|
| 585 | return -1; |
---|
| 586 | } |
---|
| 587 | |
---|
| 588 | phb = g_new0(struct PHB, 1); |
---|
| 589 | phb->func = func; |
---|
| 590 | phb->data = data; |
---|
| 591 | |
---|
| 592 | #ifndef _WIN32 |
---|
| 593 | sethostent(1); |
---|
| 594 | #endif |
---|
| 595 | |
---|
| 596 | if ((proxytype == PROXY_NONE) || !proxyhost || !proxyhost[0] || !proxyport || (proxyport == -1)) |
---|
| 597 | return proxy_connect_none(host, port, phb); |
---|
| 598 | else if (proxytype == PROXY_HTTP) |
---|
| 599 | return proxy_connect_http(host, port, phb); |
---|
| 600 | else if (proxytype == PROXY_SOCKS4) |
---|
| 601 | return proxy_connect_socks4(host, port, phb); |
---|
| 602 | else if (proxytype == PROXY_SOCKS5) |
---|
| 603 | return proxy_connect_socks5(host, port, phb); |
---|
| 604 | |
---|
| 605 | if (phb->host) g_free(phb); |
---|
| 606 | g_free(phb); |
---|
| 607 | return -1; |
---|
| 608 | } |
---|