2 ** Copyright (C) 2006 Thadeu Lima de Souza Cascardo <cascardo@minaslivre.org>
3 ** Copyright (C) 2009 Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
5 ** This program is free software; you can redistribute it and/or modify
6 ** it under the terms of the GNU General Public License as published by
7 ** the Free Software Foundation; either version 2 of the License, or
8 ** (at your option) any later version.
10 ** This program is distributed in the hope that it will be useful,
11 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ** GNU General Public License for more details.
15 ** You should have received a copy of the GNU General Public License
16 ** along with this program; if not, write to the Free Software
17 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 #include <gnutls/gnutls.h>
26 #include <netinet/in.h>
27 #include <arpa/inet.h>
32 #include "tcp_connect.h"
34 #define CONFFILE SYSCONFDIR "/popproxy.conf"
43 server_conn_new (char *server, char *port)
49 fd = hc_tcp_connect (server, port);
52 g_warning ("Could not connect to server at %s:%s.", server, port);
55 conn = hc_conn_new (NULL, NULL);
56 ssl_conn = hc_conn_new (NULL, NULL);
57 r = hc_conn_set_driver_channel (conn, fd);
60 hc_conn_close (ssl_conn);
65 r = hc_conn_set_driver_ssl_client (ssl_conn, conn);
68 hc_conn_close (ssl_conn);
76 client_conn_new (int fd)
81 conn = hc_conn_new (NULL, NULL);
82 r = hc_conn_set_driver_channel (conn, fd);
89 pop_conn = hc_conn_new (NULL, NULL);
90 r = hc_conn_set_driver_pop (pop_conn, conn);
93 hc_conn_close (pop_conn);
101 push_other (HCConn *conn, HCEvent event, gpointer data)
108 while ((r = hc_conn_read (conn, buffer, sizeof (buffer))) > 0)
109 hc_conn_write (data, buffer, r);
112 hc_conn_close (conn);
113 hc_conn_close (data);
119 new_client (int fd, struct sockaddr *addr, socklen_t saddr, gpointer data)
123 struct pop_address *address = data;
126 g_critical ("Server has received an error event.");
130 /* FIXME: Should be independent of address type. */
131 g_message ("Received connection from %s.",
132 inet_ntoa (((struct sockaddr_in *) addr)->sin_addr));
134 server_conn = server_conn_new (address->server, address->port);
135 if (server_conn == NULL)
139 client_conn = client_conn_new (fd);
140 if (client_conn == NULL)
142 hc_conn_close (server_conn);
146 hc_conn_set_callback (client_conn, push_other, server_conn);
147 hc_conn_set_callback (server_conn, push_other, client_conn);
151 static gchar *configfile;
152 static gboolean foreground;
154 static GOptionEntry opt_entries[] =
156 { "config-file", 'c', 0, G_OPTION_ARG_FILENAME, &configfile,
157 "Configuration file location", "file" },
158 { "foreground", 'f', 0, G_OPTION_ARG_NONE, &foreground,
159 "Run in foreground", 0 },
163 int main (int argc, char **argv)
166 GOptionContext *opt_ctx;
172 gchar *server_address;
174 struct pop_address pop_address;
176 gnutls_global_init ();
178 configfile = CONFFILE;
179 opt_ctx = g_option_context_new ("");
180 g_option_context_add_main_entries (opt_ctx, opt_entries, NULL);
183 if (!g_option_context_parse (opt_ctx, &argc, &argv, &error))
185 g_critical ("Could not parse command line options: %s.",
187 g_error_free (error);
190 g_option_context_free (opt_ctx);
192 keyfile = g_key_file_new ();
195 if (g_key_file_load_from_file (keyfile, configfile,
196 G_KEY_FILE_NONE, &error) == FALSE)
198 g_critical ("Could not load configuration file %s: %s.",
199 configfile, error->message);
200 g_error_free (error);
205 conf_address = g_key_file_get_string (keyfile, "global", "address",
207 if (conf_address == NULL && error != NULL)
209 conf_address = g_strdup ("0.0.0.0");
210 g_error_free (error);
213 port = g_key_file_get_string (keyfile, "global", "port", &error);
214 if (port == NULL && error != NULL)
216 port = g_strdup ("110");
217 g_error_free (error);
220 server_address = g_key_file_get_string (keyfile, "global", "server",
222 if (server_address == NULL && error != NULL)
224 server_address = g_strdup ("127.0.0.1");
225 g_error_free (error);
228 server_port = g_key_file_get_string (keyfile, "global", "server_port",
230 if (server_port == NULL && error != NULL)
232 server_port = g_strdup ("995");
233 g_error_free (error);
236 pop_address.server = server_address;
237 pop_address.port = server_port;
239 server_fd = hc_tcp_server (port);
242 g_critical ("Could not create server.");
245 hc_server_add_watch (server_fd, new_client, &pop_address);
249 g_message ("Listening at %s:%s.", conf_address, port);
254 g_free (conf_address);
257 g_main_loop_run (g_main_loop_new (g_main_context_default (), TRUE));
259 gnutls_global_deinit ();
261 g_free (server_address);
262 g_free (server_port);