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 "hcconn_ssl.h"
33 #include "tcp_connect.h"
35 #define CONFFILE SYSCONFDIR "/popproxy.conf"
45 server_conn_new (char *server, char *port, int ssl)
51 fd = hc_tcp_connect (server, port);
54 g_warning ("Could not connect to server at %s:%s.", server, port);
57 conn = hc_conn_new (NULL, NULL);
58 r = hc_conn_set_driver_channel (conn, fd);
67 ssl_conn = hc_conn_new (NULL, NULL);
68 r = hc_conn_set_driver_ssl_client (ssl_conn, conn);
71 hc_conn_close (ssl_conn);
79 client_conn_new (int fd)
85 conn = hc_conn_new (NULL, NULL);
86 r = hc_conn_set_driver_channel (conn, fd);
93 ssl_conn = hc_conn_new (NULL, NULL);
94 hc_conn_set_driver_ssl_server (ssl_conn, conn);
97 hc_conn_close (ssl_conn);
101 pop_conn = hc_conn_new (NULL, NULL);
102 r = hc_conn_set_driver_pop (pop_conn, conn);
105 hc_conn_close (pop_conn);
106 hc_conn_close (ssl_conn);
113 push_other (HCConn *conn, HCEvent event, gpointer data)
120 while ((r = hc_conn_read (conn, buffer, sizeof (buffer))) > 0)
121 hc_conn_write (data, buffer, r);
124 hc_conn_close (conn);
125 hc_conn_close (data);
131 new_client (int fd, struct sockaddr *addr, socklen_t saddr, gpointer data)
135 struct pop_address *address = data;
138 g_critical ("Server has received an error event.");
142 /* FIXME: Should be independent of address type. */
143 g_message ("Received connection from %s.",
144 inet_ntoa (((struct sockaddr_in *) addr)->sin_addr));
146 server_conn = server_conn_new (address->server, address->port,
148 if (server_conn == NULL)
152 client_conn = client_conn_new (fd);
153 if (client_conn == NULL)
155 hc_conn_close (server_conn);
159 hc_conn_set_callback (client_conn, push_other, server_conn);
160 hc_conn_set_callback (server_conn, push_other, client_conn);
164 static gchar *configfile;
165 static gboolean foreground;
167 static GOptionEntry opt_entries[] =
169 { "config-file", 'c', 0, G_OPTION_ARG_FILENAME, &configfile,
170 "Configuration file location", "file" },
171 { "foreground", 'f', 0, G_OPTION_ARG_NONE, &foreground,
172 "Run in foreground", 0 },
176 int main (int argc, char **argv)
179 GOptionContext *opt_ctx;
185 gchar *server_address;
190 struct pop_address pop_address;
192 gnutls_global_init ();
194 configfile = CONFFILE;
195 opt_ctx = g_option_context_new ("");
196 g_option_context_add_main_entries (opt_ctx, opt_entries, NULL);
199 if (!g_option_context_parse (opt_ctx, &argc, &argv, &error))
201 g_critical ("Could not parse command line options: %s.",
203 g_error_free (error);
206 g_option_context_free (opt_ctx);
208 keyfile = g_key_file_new ();
211 if (g_key_file_load_from_file (keyfile, configfile,
212 G_KEY_FILE_NONE, &error) == FALSE)
214 g_critical ("Could not load configuration file %s: %s.",
215 configfile, error->message);
216 g_error_free (error);
221 certfile = g_key_file_get_string (keyfile, "global", "certfile",
223 if (certfile == NULL && error != NULL)
225 g_critical ("No certification file specified: %s.",
227 g_error_free (error);
231 ssl_keyfile = g_key_file_get_string (keyfile, "global", "keyfile",
233 if (ssl_keyfile == NULL && error != NULL)
235 ssl_keyfile = g_strdup (certfile);
236 g_error_free (error);
241 conf_address = g_key_file_get_string (keyfile, "global", "address",
243 if (conf_address == NULL && error != NULL)
245 conf_address = g_strdup ("0.0.0.0");
246 g_error_free (error);
249 port = g_key_file_get_string (keyfile, "global", "port", &error);
250 if (port == NULL && error != NULL)
252 port = g_strdup ("110");
253 g_error_free (error);
256 server_address = g_key_file_get_string (keyfile, "global", "server",
258 if (server_address == NULL && error != NULL)
260 server_address = g_strdup ("127.0.0.1");
261 g_error_free (error);
264 server_port = g_key_file_get_string (keyfile, "global", "server_port",
266 if (server_port == NULL && error != NULL)
268 server_port = g_strdup ("995");
269 g_error_free (error);
272 server_ssl = g_key_file_get_boolean (keyfile, "global", "server_ssl",
274 if (server_ssl == 0 && error != NULL)
277 g_error_free (error);
281 pop_address.server = server_address;
282 pop_address.port = server_port;
283 pop_address.ssl = server_ssl;
285 server_fd = hc_tcp_server (port);
288 g_critical ("Could not create server.");
291 hc_server_add_watch (server_fd, new_client, &pop_address);
295 g_message ("Listening at %s:%s.", conf_address, port);
300 g_free (conf_address);
303 hc_conn_ssl_server_init_credentials (certfile, ssl_keyfile);
306 g_free (ssl_keyfile);
308 g_main_loop_run (g_main_loop_new (g_main_context_default (), TRUE));
310 gnutls_global_deinit ();
312 g_free (server_address);
313 g_free (server_port);