/[imapfilter]/imapfilter/imapfilter.c
ViewVC logotype

Annotation of /imapfilter/imapfilter.c

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1.51 - (hide annotations)
Sun Jul 27 17:39:45 2003 UTC (20 years, 8 months ago) by lefcha
Branch: MAIN
Changes since 1.50: +17 -22 lines
File MIME type: text/plain
New structure to hold information about connection's socket, ssl socket, capabilities, namespace.

1 lefcha 1.1 #include <stdio.h>
2 lefcha 1.16 #include <stdlib.h>
3 lefcha 1.1 #include <unistd.h>
4     #include <string.h>
5 lefcha 1.7 #include <limits.h>
6 lefcha 1.11 #include <errno.h>
7 lefcha 1.35 #include <setjmp.h>
8 lefcha 1.40 #include <locale.h>
9 lefcha 1.1
10 lefcha 1.39 #include "config.h"
11     #include "imapfilter.h"
12     #include "data.h"
13    
14 lefcha 1.38 #if defined SSL_TLS || defined ENCRYPTED_PASSWORDS
15     #include <openssl/crypto.h>
16     #endif
17 lefcha 1.1
18    
19 lefcha 1.7 extern account_t *accounts;
20 lefcha 1.11 extern filter_t *filters;
21 lefcha 1.50 extern buffer_t ibuf, obuf;
22 lefcha 1.7
23 lefcha 1.10 unsigned int options; /* Program options. */
24 lefcha 1.29 unsigned int flags = 0; /* Program flags. */
25     unsigned int interval = 0; /* Poll at the specified interval. */
26 lefcha 1.51 conn_t connpri, connaux; /* Primary and auxiliary IMAP connection. */
27 lefcha 1.41
28 lefcha 1.5 char logfile[PATH_MAX]; /* Log file. */
29 lefcha 1.25 char *home = NULL; /* User's home directory. */
30 lefcha 1.40 char charset[CHARSET_LEN]; /* Charset for IMAP SEARCH requests. */
31 lefcha 1.42
32 lefcha 1.46 jmp_buf acctloop; /* Non-local exit in case of network error. */
33 lefcha 1.1
34 lefcha 1.29
35 lefcha 1.2 /*
36 lefcha 1.46 * IMAPFilter: an IMAP mail filtering utility.
37 lefcha 1.2 */
38 lefcha 1.42 int
39     main(int argc, char *argv[])
40 lefcha 1.1 {
41 lefcha 1.42 int c, r, f;
42     pid_t pid;
43     char *confile; /* Configuration file. */
44     account_t *ca; /* Current account. */
45     mbox_t *cm; /* Current mailbox. */
46 lefcha 1.33
47 lefcha 1.45 setlocale(LC_ALL, "");
48 lefcha 1.40
49 lefcha 1.42 f = 0;
50     home = getenv("HOME");
51 lefcha 1.47 options = (OPTION_DETAILS_NORMAL | OPTION_NAMESPACE);
52 lefcha 1.42 *charset = 0;
53     *logfile = 0;
54     confile = NULL;
55 lefcha 1.33
56 lefcha 1.42 while ((c = getopt(argc, argv, "c:d:hkl:"
57 lefcha 1.29 #ifdef ENCRYPTED_PASSWORDS
58 lefcha 1.42 "p"
59 lefcha 1.25 #endif
60 lefcha 1.42 "qvV")) != -1) {
61     switch (c) {
62     case 'c':
63     confile = optarg;
64     break;
65     case 'd':
66     options |= OPTION_DAEMON_MODE;
67     errno = 0;
68     interval = strtoul(optarg, NULL, 10);
69     if (errno)
70     interval = 0;
71     break;
72     case 'h':
73     usage();
74     exit(ERROR_UNDEFINED);
75     break;
76     case 'k':
77     kill_imapfilter();
78     break;
79     case 'l':
80     strncat(logfile, optarg, PATH_MAX - 1);
81     break;
82 lefcha 1.25 #ifdef ENCRYPTED_PASSWORDS
83 lefcha 1.42 case 'p':
84     options |= OPTION_PASSWORD_EDITOR;
85     break;
86     #endif
87     case 'q':
88     options &= OPTION_DETAILS_CLEAR;
89     options |= OPTION_DETAILS_QUIET;
90     break;
91     case 'v':
92     options &= OPTION_DETAILS_CLEAR;
93     options |= OPTION_DETAILS_VERBOSE;
94     break;
95     case 'V':
96     version();
97     exit(ERROR_UNDEFINED);
98     break;
99     default:
100     usage();
101     exit(ERROR_UNDEFINED);
102     break;
103     }
104 lefcha 1.1 }
105 lefcha 1.32
106 lefcha 1.42 create_homedir();
107 lefcha 1.33
108 lefcha 1.42 lockfile_check();
109     lockfile_create();
110 lefcha 1.28
111 lefcha 1.47 #ifndef DEBUG
112 lefcha 1.42 corefile_disable();
113 lefcha 1.47 #endif
114 lefcha 1.33
115 lefcha 1.42 tty_store();
116     catch_signals();
117 lefcha 1.24
118 lefcha 1.42 read_config(confile);
119 lefcha 1.33
120 lefcha 1.25 #ifdef ENCRYPTED_PASSWORDS
121 lefcha 1.42 read_passwords();
122 lefcha 1.33
123 lefcha 1.42 if ((options & OPTION_PASSWORD_EDITOR)) {
124     password_editor();
125 lefcha 1.33
126 lefcha 1.42 secmem_clear();
127     lockfile_remove();
128 lefcha 1.33
129 lefcha 1.42 exit(0);
130     }
131 lefcha 1.25 #endif
132 lefcha 1.33
133 lefcha 1.42 open_logfile();
134 lefcha 1.32
135 lefcha 1.50 init_buffer(&ibuf);
136     init_buffer(&obuf);
137 lefcha 1.32
138 lefcha 1.42 if (options & OPTION_DAEMON_MODE) {
139     f = 1;
140     options &= OPTION_DETAILS_CLEAR;
141     options |= OPTION_DETAILS_QUIET;
142     }
143     do {
144     for (ca = accounts; ca != NULL; ca = ca->next) {
145 lefcha 1.7
146 lefcha 1.42 if (setjmp(acctloop))
147     continue;
148 lefcha 1.35
149 lefcha 1.51 if (init_connection(&connpri, ca->server, ca->port,
150 lefcha 1.42 ca->ssl))
151     continue;
152 lefcha 1.21
153 lefcha 1.51 r = greeting_response(&connpri);
154 lefcha 1.18
155 lefcha 1.45 #ifdef DEBUG
156 lefcha 1.51 test(&connpri);
157 lefcha 1.45 #endif
158    
159 lefcha 1.51 if (check_capabilities(&connpri))
160 lefcha 1.42 continue;
161 lefcha 1.1
162 lefcha 1.49 #ifdef SSL_TLS
163     if (ca->ssl == SSL_DISABLED &&
164 lefcha 1.51 connpri.caps & CAPABILITY_STARTTLS)
165     if (imf_starttls(&connpri) == RESPONSE_OK)
166     check_capabilities(&connpri);
167 lefcha 1.49 #endif
168    
169 lefcha 1.42 log_info(LOG_ACCOUNT, ca->key);
170 lefcha 1.1
171 lefcha 1.42 if (r != RESPONSE_PREAUTH) {
172     if (ca->passwdattr == PASSWORD_NONE) {
173     printf("Enter password for %s@%s: ",
174     ca->username, ca->server);
175     get_password(ca->password, PASSWORD_LEN);
176     ca->passwdattr = PASSWORD_PLAIN;
177     }
178 lefcha 1.48 #ifdef CRAM_MD5
179 lefcha 1.51 if (connpri.caps & CAPABILITY_AUTH_CRAM_MD5)
180     r = imf_cram_md5(&connpri,
181 lefcha 1.48 ca->username, ca->password);
182     else
183     #endif
184 lefcha 1.51 r = login(&connpri, ca->username,
185 lefcha 1.48 ca->password);
186    
187     if (r == RESPONSE_NO) {
188 lefcha 1.42 error("username %s or password rejected "
189     "at %s\n", ca->username, ca->server);
190     continue;
191     }
192     }
193 lefcha 1.51 check_namespace(&connpri);
194 lefcha 1.42
195     for (cm = ca->mboxes; cm != NULL; cm = cm->next)
196     if (*cm->filters == NULL)
197 lefcha 1.51 mailbox_status(&connpri, cm->name);
198     else if (!select_mailbox(&connpri, cm->name)) {
199 lefcha 1.43 apply_filters(cm->name, cm->filters);
200 lefcha 1.51 close_mailbox(&connpri);
201 lefcha 1.42 }
202 lefcha 1.51 logout(&connpri);
203 lefcha 1.33
204 lefcha 1.51 close_connection(&connpri);
205 lefcha 1.33 }
206 lefcha 1.11
207 lefcha 1.42 /* Fork if in daemon mode. */
208     if (f) {
209     f = 0;
210     pid = fork();
211     switch (pid) {
212     case -1:
213     fatal(ERROR_FORK, "forking; %s\n",
214     strerror(errno));
215     break;
216     case 0:
217     lockfile_create();
218     corefile_disable();
219 lefcha 1.44 flags |= FLAG_DAEMON_MODE;
220 lefcha 1.42 break;
221     default:
222     secmem_clear();
223     close_logfile();
224     exit(0);
225     break;
226     }
227 lefcha 1.46 }
228     if (options & OPTION_DAEMON_MODE &&
229     flags & FLAG_SIGHUP_RECEIVED) {
230     reread_config(confile);
231     continue;
232 lefcha 1.42 }
233     if (interval)
234     sleep(interval);
235     } while (options & OPTION_DAEMON_MODE && interval);
236 lefcha 1.17
237 lefcha 1.42 secmem_clear();
238     close_logfile();
239 lefcha 1.33
240 lefcha 1.42 lockfile_remove();
241 lefcha 1.33
242 lefcha 1.48 return 0;
243 lefcha 1.1 }
244    
245    
246     /*
247 lefcha 1.11 * Print a very brief usage message.
248 lefcha 1.2 */
249 lefcha 1.42 void
250     usage(void)
251 lefcha 1.2 {
252 lefcha 1.42 fprintf(stderr,
253 lefcha 1.29 "usage: imapfilter [-hk"
254 lefcha 1.26 #ifdef ENCRYPTED_PASSWORDS
255     "p"
256 lefcha 1.33 #endif
257 lefcha 1.38 "qvV] [-c configfile] [-d interval] [-l logfile]\n");
258     }
259    
260    
261     /*
262     * Print program's version, and if it is built in, OpenSSL's version number.
263     */
264 lefcha 1.42 void
265     version(void)
266 lefcha 1.38 {
267 lefcha 1.42 fprintf(stderr, "IMAPFilter %s"
268 lefcha 1.38 #if defined SSL_TLS || defined ENCRYPTED_PASSWORDS
269     ", OpenSSL 0x%8.8lx"
270     #endif
271     "\n", IMAPFILTER_VERSION
272     #if defined SSL_TLS || defined ENCRYPTED_PASSWORDS
273     ,SSLeay()
274     #endif
275 lefcha 1.42 );
276 lefcha 1.1 }

webmaster@linux.gr
ViewVC Help
Powered by ViewVC 1.1.26