/[imapfilter]/imapfilter/imapfilter.c
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Annotation of /imapfilter/imapfilter.c

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Revision 1.50 - (hide annotations)
Sun Jul 27 15:54:49 2003 UTC (20 years, 8 months ago) by lefcha
Branch: MAIN
Changes since 1.49: +3 -1 lines
File MIME type: text/plain
Use new *_buffer() routines for input/output buffers.

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

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