1 /* vim: set textwidth=80 tabstop=4: */
4 * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
5 * Copyright (C) 1999-2008 Michael Rasmussen and the Claws Mail Team
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
29 #include <glib/gi18n.h>
31 #include <gtk/gtkutils.h>
37 #include <sys/types.h>
38 #include <sys/socket.h>
41 #include <netinet/in.h>
43 #include <arpa/inet.h>
47 #include "common/claws.h"
48 #include "common/version.h"
53 #include "prefs_gtk.h"
54 #include "foldersel.h"
55 #include "statusbar.h"
56 #include "alertpanel.h"
57 #include "clamd-plugin.h"
59 /* needs to be generic */
60 static const gchar* config_dirs[] = {
64 "/usr/local/etc/clamav",
67 static const gchar* clamd_tokens[] = {
73 static Clamd_Socket* Socket = NULL;
74 static Config* config = NULL;
78 * prefixing with either z or n is recommended
79 * z <=> null terminated command
80 * n <=> newline terminated command
82 static const gchar ping[] = "nPING\n";
83 static const gchar version[] = "nVERSION\n";
84 static const gchar scan[] = "nSCAN";
85 static const gchar contscan[] = "nCONTSCAN";
86 static const gchar instream[10] = "zINSTREAM\0";
88 void clamd_create_config_automatic(const gchar* path) {
94 /*debug_set_mode(TRUE);*/
95 /*debug_print("%s : %s\n", folder, path);*/
97 g_warning("Missing path");
100 if (config && config->ConfigType == AUTOMATIC &&
101 config->automatic.folder &&
102 strcmp(config->automatic.folder, path) == 0) {
103 debug_print("%s : %s - Identical. No need to read again\n",
104 config->automatic.folder, path);
108 clamd_config_free(config);
109 config = clamd_config_new();
111 config->ConfigType = AUTOMATIC;
112 config->automatic.folder = g_strdup(path);
113 debug_print("Opening %s to parse config file\n", path);
114 conf = fopen(path, "r");
116 /*g_error("%s: Unable to open", path);*/
117 alertpanel_error(_("%s: Unable to open\nclamd will be disabled"), path);
120 while (fgets(buf, sizeof(buf), conf)) {
124 const gchar** tokens = clamd_tokens;
126 const gchar* token = *tokens++;
127 if ((key = g_strstr_len(buf, strlen(buf), token)) != NULL) {
128 gchar* tmp = &(*(key + strlen(token)));
129 tmp = g_strchug(tmp);
130 gchar* end = index(tmp, '#');
132 value = g_strndup(tmp, end - tmp);
134 value = g_strdup(g_strchomp(tmp));
135 if (strcmp(clamd_tokens[0], token) == 0) {
137 Socket = (Clamd_Socket *) malloc(sizeof(Clamd_Socket *));
139 Socket->socket.path = NULL;
140 Socket->socket.host = NULL;
141 Socket->socket.port = -1;
142 Socket->type = UNIX_SOCKET;
143 Socket->socket.path = g_strdup(value);
147 debug_print("clamctl: %s\n", Socket->socket.path);
151 else if (strcmp(clamd_tokens[1], token) == 0) {
154 Socket = (Clamd_Socket *) malloc(sizeof(Clamd_Socket *));
156 Socket->socket.path = NULL;
157 Socket->socket.host = NULL;
158 Socket->socket.port = -1;
159 Socket->type = INET_SOCKET;
160 Socket->socket.port = atoi(value);
161 Socket->socket.host = g_strdup("localhost");
164 debug_print("clamctl: %s:%d\n",
165 Socket->socket.host, Socket->socket.port);
169 Socket->type = INET_SOCKET;
170 Socket->socket.port = atoi(value);
173 if (! Socket->socket.host)
174 Socket->socket.host = g_strdup("localhost");
175 debug_print("clamctl: %s:%d\n",
176 Socket->socket.host, Socket->socket.port);
178 /* We must continue since TCPAddr could also be configured */
180 else if (strcmp(clamd_tokens[2], token) == 0) {
182 Socket = (Clamd_Socket *) malloc(sizeof(Clamd_Socket));
184 Socket->socket.path = NULL;
185 Socket->socket.host = NULL;
186 Socket->socket.port = 3310; /* default port */
187 Socket->type = INET_SOCKET;
188 Socket->socket.host = g_strdup(value);
191 debug_print("clamctl: %s:%d\n",
192 Socket->socket.host, Socket->socket.port);
196 Socket->type = INET_SOCKET;
197 if (Socket->socket.host)
198 g_free(Socket->socket.host);
199 Socket->socket.host = g_strdup(value);
202 if (Socket->socket.port == -1)
203 Socket->socket.port = 3310;
204 debug_print("clamctl: %s:%d\n",
205 Socket->socket.host, Socket->socket.port);
207 /* We must continue since TCPSocket could also be configured */
213 if (! (Socket && (Socket->socket.port || Socket->socket.path))) {
214 /*g_error("%s: Not able to find required information", path);*/
215 alertpanel_error(_("%s: Not able to find required information\nclamd will be disabled"), path);
217 /*debug_set_mode(FALSE);*/
220 void clamd_create_config_manual(const gchar* host, int port) {
221 if (! host || port < 1) {
222 g_warning("Missing host or port < 1");
225 if (config && config->ConfigType == MANUAL &&
226 config->manual.host && config->manual.port == port &&
227 strcmp(config->manual.host, host) == 0) {
228 debug_print("%s : %s and %d : %d - Identical. No need to read again\n",
229 config->manual.host, host, config->manual.port, port);
234 clamd_config_free(config);
235 config = clamd_config_new();
237 config->ConfigType = MANUAL;
238 config->manual.host = g_strdup(host);
239 config->manual.port = port;
241 Socket = (Clamd_Socket *) malloc(sizeof(Clamd_Socket));
243 Socket->type = INET_SOCKET;
244 Socket->socket.port = port;
245 Socket->socket.host = g_strdup(host);
248 /*g_error("%s: Not able to find required information", path);*/
249 alertpanel_error(_("Could not create socket"));
253 gboolean clamd_find_socket() {
254 const gchar** config_dir = config_dirs;
255 gchar *clamd_conf = NULL;
257 while (*config_dir) {
258 clamd_conf = g_strdup_printf("%s/clamd.conf", *config_dir++);
259 debug_print("Looking for %s\n", clamd_conf);
260 if (g_file_test(clamd_conf, G_FILE_TEST_EXISTS))
268 debug_print("Using %s to find configuration\n", clamd_conf);
269 clamd_create_config_automatic(clamd_conf);
275 Config* clamd_get_config() {
279 Clamd_Socket* clamd_get_socket() {
283 static int create_socket() {
284 struct sockaddr_un addr_u;
285 struct sockaddr_in addr_i;
290 /*debug_set_mode(TRUE);*/
294 memset(&addr_u, 0, sizeof(addr_u));
295 memset(&addr_i, 0, sizeof(addr_i));
296 debug_print("socket->type: %d\n", Socket->type);
297 switch (Socket->type) {
299 debug_print("socket path: %s\n", Socket->socket.path);
300 new_sock = socket(PF_UNIX, SOCK_STREAM, 0);
301 debug_print("socket file (create): %d\n", new_sock);
304 addr_u.sun_family = AF_UNIX;
305 memcpy(addr_u.sun_path, Socket->socket.path,
306 strlen(Socket->socket.path));
307 if (connect(new_sock, (struct sockaddr *) &addr_u, sizeof(addr_u)) < 0) {
308 perror("connect socket");
312 debug_print("socket file (connect): %d\n", new_sock);
315 addr_i.sin_family = AF_INET;
316 addr_i.sin_port = htons(Socket->socket.port);
317 hp = gethostbyname(Socket->socket.host);
318 bcopy((void *)hp->h_addr, (void *)&addr_i.sin_addr, hp->h_length);
319 new_sock = socket(PF_INET, SOCK_STREAM, 0);
322 if (connect(new_sock, (struct sockaddr *)&addr_i, sizeof(addr_i)) < 0) {
323 perror("connect socket");
333 static void copy_socket(Clamd_Socket* sock) {
334 Socket = (Clamd_Socket *) malloc(sizeof(Clamd_Socket));
335 Socket->socket.path = NULL;
336 Socket->socket.host = NULL;
337 Socket->type = sock->type;
338 if (Socket->type == UNIX_SOCKET) {
339 Socket->socket.path = g_strdup(sock->socket.path);
342 Socket->socket.host = g_strdup(sock->socket.host);
343 Socket->socket.port = sock->socket.port;
347 Clamd_Stat clamd_init(Clamd_Socket* config) {
350 gboolean connect = FALSE;
353 /*debug_set_mode(TRUE);*/
354 if (config != NULL && Socket != NULL)
357 debug_print("socket: %s\n", config->socket.path);
360 sock = create_socket();
362 debug_print("no connection\n");
363 return NO_CONNECTION;
365 if (write(sock, ping, strlen(ping)) == -1) {
366 debug_print("write error %d\n", errno);
368 return NO_CONNECTION;
370 memset(buf, '\0', sizeof(buf));
371 while ((n_read = read(sock, buf, BUFSIZ)) > 0) {
372 if (buf[strlen(buf) - 1] == '\n')
373 buf[strlen(buf) - 1] = '\0';
374 debug_print("Ping result: %s\n", buf);
375 if (strcmp("PONG", buf) == 0)
379 sock = create_socket();
381 debug_print("no connection\n");
382 return NO_CONNECTION;
384 if (write(sock, version, strlen(version)) == -1) {
385 debug_print("write error %d\n", errno);
387 return NO_CONNECTION;
389 memset(buf, '\0', sizeof(buf));
390 while ((n_read = read(sock, buf, sizeof(buf))) > 0) {
391 buf[sizeof(buf) - 1] = '\0';
392 if (buf[strlen(buf) - 1] == '\n')
393 buf[strlen(buf) - 1] = '\0';
394 debug_print("Version: %s\n", buf);
397 /*debug_set_mode(FALSE);*/
398 return (connect) ? OK : NO_CONNECTION;
401 static Clamd_Stat clamd_stream_scan(int sock,
402 const gchar* path, gchar** res, ssize_t size) {
409 debug_print("Scanning: %s\n", path);
411 memset(buf, '\0', sizeof(buf));
413 if (! res || size < 1) {
417 *res = g_new(gchar, size);
418 memset(*res, '\0', size);
420 if (! g_file_test(path, G_FILE_TEST_EXISTS)) {
421 *res = g_strconcat("ERROR -> ", path, _(": File does not exist"), NULL);
422 debug_print("res: %s\n", *res);
427 fd = open(path, O_RDONLY, O_LARGEFILE);
429 fd = open(path, O_RDONLY);
433 /*g_error("%s: Unable to open", path);*/
434 *res = g_strconcat("ERROR -> ", path, _(": Unable to open"), NULL);
438 debug_print("command: %s\n", instream);
439 if (write(sock, instream, strlen(instream) + 1) == -1) {
441 return NO_CONNECTION;
444 while ((count = read(fd, (void *) buf, sizeof(buf))) > 0) {
445 buf[sizeof(buf) - 1] = '\0';
446 if (buf[strlen(buf) - 1] == '\n')
447 buf[strlen(buf) - 1] = '\0';
448 debug_print("read: %ld bytes\n", count);
450 debug_print("chunk size: %ld\n", count);
451 chunk = htonl(count);
452 if (write(sock, &chunk, 4) == -1) {
454 *res = g_strconcat("ERROR -> ", _("Socket write error"), NULL);
457 if (write(sock, buf, count) == -1) {
459 *res = g_strconcat("ERROR -> ", _("Socket write error"), NULL);
462 memset(buf, '\0', sizeof(buf));
466 *res = g_strconcat("ERROR -> ", path, _("%s: Error reading"), NULL);
472 if (write(sock, &chunk, 4) == -1) {
473 *res = g_strconcat("ERROR -> ", _("Socket write error"), NULL);
477 debug_print("reading from socket\n");
478 n_read = read(sock, *res, size);
480 *res = g_strconcat("ERROR -> ", _("Socket read error"), NULL);
483 debug_print("received: %s\n", *res);
487 Clamd_Stat clamd_verify_email(const gchar* path, response* result) {
494 /*debug_set_mode(TRUE);*/
498 sock = create_socket();
500 debug_print("no connection\n");
501 return NO_CONNECTION;
503 memset(buf, '\0', sizeof(buf));
504 if (Socket->type == INET_SOCKET) {
505 gchar* tmp = g_new0(gchar, BUFSIZ);
506 stat = clamd_stream_scan(sock, path, &tmp, BUFSIZ);
509 result->msg = g_strdup(tmp);
511 debug_print("result: %s\n", result->msg);
514 debug_print("copy to buf: %s\n", tmp);
515 memcpy(&buf, tmp, BUFSIZ);
519 command = g_strconcat(scan, " ", path, "\n", NULL);
520 debug_print("command: %s\n", command);
521 if (write(sock, command, strlen(command)) == -1) {
522 debug_print("no connection\n");
523 stat = NO_CONNECTION;
526 memset(buf, '\0', sizeof(buf));
527 while ((n_read = read(sock, buf, BUFSIZ)) > 0) {
528 buf[sizeof(buf) - 1] = '\0';
529 if (buf[strlen(buf) - 1] == '\n')
530 buf[strlen(buf) - 1] = '\0';
533 debug_print("response: %s\n", buf);
534 if (strstr(buf, "ERROR")) {
536 result->msg = g_strdup(buf);
538 else if (strstr(buf, "FOUND")) {
540 result->msg = g_strdup(buf);
547 /*debug_set_mode(FALSE);*/
552 GSList* clamd_verify_dir(const gchar* path) {
559 if (Socket->type == INET_SOCKET)
562 sock = create_socket();
564 debug_print("No socket\n");
567 command = g_strconcat(contscan, path, "\n", NULL);
568 debug_print("command: %s\n", command);
569 if (write(sock, command, strlen(command)) == -1) {
570 debug_print("write error %d\n", errno);
575 memset(buf, '\0', sizeof(buf));
576 while ((n_read = read(sock, buf, BUFSIZ)) > 0) {
577 gchar** tmp = g_strsplit(buf, "\n", 0);
580 gchar* file = *tmp++;
581 debug_print("%s\n", file);
582 if (strstr(file, "ERROR")) {
583 g_warning("%s", file);
584 /* dont report files with errors */
586 else if (strstr(file, "FOUND")) {
587 list = g_slist_append(list, g_strdup(file));
596 void clamd_free_gslist(GSList* list) {
600 tmp = g_slist_next(tmp);
605 gchar* clamd_get_virus_name(gchar* msg) {
606 gchar *head, *tail, *name;
608 tail = g_strrstr_len(msg, strlen(msg), "FOUND");
611 head = g_strstr_len(msg, strlen(msg), ":");
613 name = g_strndup(head, tail - head);
620 switch (Socket->type) {
622 if (Socket->socket.path) {
623 g_free(Socket->socket.path);
624 Socket->socket.path = NULL;
628 if (Socket->socket.host) {
629 g_free(Socket->socket.host);
630 Socket->socket.host = NULL;
638 clamd_config_free(config);
643 Config* clamd_config_new() {
644 return g_new0(Config, 1);
647 void clamd_config_free(Config* c) {
648 if (c->ConfigType == AUTOMATIC) {
649 g_free(c->automatic.folder);
650 c->automatic.folder = NULL;
653 g_free(c->manual.host);
654 c->manual.host = NULL;
659 gchar* int2char(int i) {
660 gchar* s = g_new0(gchar, 5);
667 gchar* long2char(long l) {
668 gchar* s = g_new0(gchar, 5);
670 debug_print("l: %ld\n", l);
671 sprintf(s, "%ld", l);
672 debug_print("s: %s\n", s);