1 |
lefcha |
1.1 |
#include <stdio.h> |
2 |
lefcha |
1.53 |
#include <stdlib.h> |
3 |
lefcha |
1.55 |
#include <sys/types.h> |
4 |
|
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#include <unistd.h> |
5 |
lefcha |
1.52 |
#include <string.h> |
6 |
|
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#include <errno.h> |
7 |
lefcha |
1.7 |
#include <limits.h> |
8 |
lefcha |
1.58 |
#include <fcntl.h> |
9 |
lefcha |
1.35 |
#include <setjmp.h> |
10 |
lefcha |
1.40 |
#include <locale.h> |
11 |
lefcha |
1.1 |
|
12 |
lefcha |
1.39 |
#include "config.h" |
13 |
|
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#include "imapfilter.h" |
14 |
lefcha |
1.52 |
#include "version.h" |
15 |
|
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#include "account.h" |
16 |
|
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#include "filter.h" |
17 |
|
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#include "buffer.h" |
18 |
lefcha |
1.39 |
|
19 |
lefcha |
1.53 |
#if defined SSL_TLS || defined ENCRYPTED_PASSWORDS || defined CRAM_MD5 |
20 |
lefcha |
1.55 |
#include <openssl/opensslv.h> |
21 |
lefcha |
1.38 |
#include <openssl/crypto.h> |
22 |
|
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#endif |
23 |
lefcha |
1.1 |
|
24 |
|
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|
25 |
lefcha |
1.7 |
extern account_t *accounts; |
26 |
lefcha |
1.11 |
extern filter_t *filters; |
27 |
lefcha |
1.50 |
extern buffer_t ibuf, obuf; |
28 |
lefcha |
1.7 |
|
29 |
lefcha |
1.10 |
unsigned int options; /* Program options. */ |
30 |
lefcha |
1.62 |
int verbosity; /* Program verbosity level (-2..2). */ |
31 |
lefcha |
1.29 |
unsigned int flags = 0; /* Program flags. */ |
32 |
|
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unsigned int interval = 0; /* Poll at the specified interval. */ |
33 |
lefcha |
1.51 |
conn_t connpri, connaux; /* Primary and auxiliary IMAP connection. */ |
34 |
lefcha |
1.41 |
|
35 |
lefcha |
1.5 |
char logfile[PATH_MAX]; /* Log file. */ |
36 |
lefcha |
1.25 |
char *home = NULL; /* User's home directory. */ |
37 |
lefcha |
1.40 |
char charset[CHARSET_LEN]; /* Charset for IMAP SEARCH requests. */ |
38 |
lefcha |
1.42 |
|
39 |
lefcha |
1.46 |
jmp_buf acctloop; /* Non-local exit in case of network error. */ |
40 |
lefcha |
1.1 |
|
41 |
lefcha |
1.29 |
|
42 |
lefcha |
1.52 |
void usage(void); |
43 |
|
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void version(void); |
44 |
|
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|
45 |
|
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|
46 |
lefcha |
1.2 |
/* |
47 |
lefcha |
1.46 |
* IMAPFilter: an IMAP mail filtering utility. |
48 |
lefcha |
1.2 |
*/ |
49 |
lefcha |
1.42 |
int |
50 |
|
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main(int argc, char *argv[]) |
51 |
lefcha |
1.1 |
{ |
52 |
lefcha |
1.58 |
int c, r; |
53 |
lefcha |
1.55 |
char *conffile; /* Configuration file. */ |
54 |
lefcha |
1.42 |
account_t *ca; /* Current account. */ |
55 |
|
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mbox_t *cm; /* Current mailbox. */ |
56 |
lefcha |
1.33 |
|
57 |
lefcha |
1.45 |
setlocale(LC_ALL, ""); |
58 |
lefcha |
1.40 |
|
59 |
lefcha |
1.42 |
home = getenv("HOME"); |
60 |
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1.62 |
options = (OPTION_NAMESPACE | OPTION_PEEK); |
61 |
|
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verbosity = 0; |
62 |
lefcha |
1.42 |
*charset = 0; |
63 |
|
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*logfile = 0; |
64 |
lefcha |
1.55 |
conffile = NULL; |
65 |
|
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connpri.sock = connaux.sock = -1; |
66 |
lefcha |
1.33 |
|
67 |
lefcha |
1.63 |
while ((c = getopt(argc, argv, "DVc:d:kl:" |
68 |
lefcha |
1.29 |
#ifdef ENCRYPTED_PASSWORDS |
69 |
lefcha |
1.42 |
"p" |
70 |
lefcha |
1.25 |
#endif |
71 |
lefcha |
1.63 |
"qv")) != -1) { |
72 |
lefcha |
1.42 |
switch (c) { |
73 |
lefcha |
1.63 |
case 'D': |
74 |
|
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options |= OPTION_DEBUG; |
75 |
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break; |
76 |
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case 'V': |
77 |
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version(); |
78 |
|
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/* NOTREACHED */ |
79 |
lefcha |
1.42 |
case 'c': |
80 |
lefcha |
1.55 |
conffile = optarg; |
81 |
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1.42 |
break; |
82 |
|
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case 'd': |
83 |
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options |= OPTION_DAEMON_MODE; |
84 |
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errno = 0; |
85 |
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interval = strtoul(optarg, NULL, 10); |
86 |
|
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if (errno) |
87 |
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interval = 0; |
88 |
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break; |
89 |
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case 'k': |
90 |
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kill_imapfilter(); |
91 |
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break; |
92 |
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case 'l': |
93 |
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strncat(logfile, optarg, PATH_MAX - 1); |
94 |
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break; |
95 |
lefcha |
1.25 |
#ifdef ENCRYPTED_PASSWORDS |
96 |
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1.42 |
case 'p': |
97 |
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options |= OPTION_PASSWORD_EDITOR; |
98 |
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break; |
99 |
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#endif |
100 |
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case 'q': |
101 |
lefcha |
1.62 |
if (verbosity > -2) |
102 |
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verbosity--; |
103 |
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1.42 |
break; |
104 |
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case 'v': |
105 |
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1.62 |
if (verbosity < 2) |
106 |
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verbosity++; |
107 |
lefcha |
1.42 |
break; |
108 |
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default: |
109 |
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1.63 |
case '?': |
110 |
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1.42 |
usage(); |
111 |
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1.63 |
/* NOTREACHED */ |
112 |
lefcha |
1.42 |
} |
113 |
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1.1 |
} |
114 |
lefcha |
1.32 |
|
115 |
lefcha |
1.60 |
debug_start(); |
116 |
|
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|
117 |
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1.42 |
create_homedir(); |
118 |
lefcha |
1.33 |
|
119 |
lefcha |
1.42 |
lockfile_check(); |
120 |
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lockfile_create(); |
121 |
lefcha |
1.28 |
|
122 |
lefcha |
1.60 |
if (!(options & OPTION_DEBUG)) |
123 |
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corefile_disable(); |
124 |
lefcha |
1.33 |
|
125 |
lefcha |
1.42 |
tty_store(); |
126 |
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catch_signals(); |
127 |
lefcha |
1.24 |
|
128 |
lefcha |
1.55 |
read_config(conffile); |
129 |
lefcha |
1.33 |
|
130 |
lefcha |
1.25 |
#ifdef ENCRYPTED_PASSWORDS |
131 |
lefcha |
1.42 |
read_passwords(); |
132 |
lefcha |
1.33 |
|
133 |
lefcha |
1.42 |
if ((options & OPTION_PASSWORD_EDITOR)) { |
134 |
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password_editor(); |
135 |
lefcha |
1.33 |
|
136 |
lefcha |
1.42 |
secmem_clear(); |
137 |
|
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lockfile_remove(); |
138 |
lefcha |
1.33 |
|
139 |
lefcha |
1.42 |
exit(0); |
140 |
|
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} |
141 |
lefcha |
1.25 |
#endif |
142 |
lefcha |
1.33 |
|
143 |
lefcha |
1.60 |
log_start(); |
144 |
lefcha |
1.32 |
|
145 |
lefcha |
1.50 |
init_buffer(&ibuf); |
146 |
|
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init_buffer(&obuf); |
147 |
lefcha |
1.32 |
|
148 |
lefcha |
1.62 |
if (options & OPTION_DAEMON_MODE) |
149 |
|
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verbosity = -2; |
150 |
|
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|
151 |
lefcha |
1.42 |
do { |
152 |
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for (ca = accounts; ca != NULL; ca = ca->next) { |
153 |
lefcha |
1.7 |
|
154 |
lefcha |
1.42 |
if (setjmp(acctloop)) |
155 |
|
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continue; |
156 |
lefcha |
1.35 |
|
157 |
lefcha |
1.51 |
if (init_connection(&connpri, ca->server, ca->port, |
158 |
lefcha |
1.42 |
ca->ssl)) |
159 |
|
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continue; |
160 |
lefcha |
1.21 |
|
161 |
lefcha |
1.51 |
r = greeting_response(&connpri); |
162 |
lefcha |
1.18 |
|
163 |
lefcha |
1.60 |
if (options & OPTION_DEBUG) |
164 |
|
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test(&connpri); |
165 |
lefcha |
1.45 |
|
166 |
lefcha |
1.51 |
if (check_capabilities(&connpri)) |
167 |
lefcha |
1.42 |
continue; |
168 |
lefcha |
1.1 |
|
169 |
lefcha |
1.49 |
#ifdef SSL_TLS |
170 |
|
|
if (ca->ssl == SSL_DISABLED && |
171 |
lefcha |
1.51 |
connpri.caps & CAPABILITY_STARTTLS) |
172 |
lefcha |
1.52 |
if (negotiate_tls(&connpri) == RESPONSE_OK) |
173 |
lefcha |
1.51 |
check_capabilities(&connpri); |
174 |
lefcha |
1.49 |
#endif |
175 |
|
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|
176 |
lefcha |
1.42 |
log_info(LOG_ACCOUNT, ca->key); |
177 |
lefcha |
1.1 |
|
178 |
lefcha |
1.42 |
if (r != RESPONSE_PREAUTH) { |
179 |
|
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if (ca->passwdattr == PASSWORD_NONE) { |
180 |
|
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printf("Enter password for %s@%s: ", |
181 |
|
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ca->username, ca->server); |
182 |
|
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get_password(ca->password, PASSWORD_LEN); |
183 |
|
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ca->passwdattr = PASSWORD_PLAIN; |
184 |
|
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} |
185 |
lefcha |
1.48 |
#ifdef CRAM_MD5 |
186 |
lefcha |
1.51 |
if (connpri.caps & CAPABILITY_AUTH_CRAM_MD5) |
187 |
lefcha |
1.52 |
r = auth_cram_md5(&connpri, |
188 |
lefcha |
1.48 |
ca->username, ca->password); |
189 |
|
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else |
190 |
|
|
#endif |
191 |
lefcha |
1.51 |
r = login(&connpri, ca->username, |
192 |
lefcha |
1.48 |
ca->password); |
193 |
|
|
|
194 |
|
|
if (r == RESPONSE_NO) { |
195 |
lefcha |
1.42 |
error("username %s or password rejected " |
196 |
|
|
"at %s\n", ca->username, ca->server); |
197 |
|
|
continue; |
198 |
|
|
} |
199 |
|
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} |
200 |
lefcha |
1.51 |
check_namespace(&connpri); |
201 |
lefcha |
1.42 |
|
202 |
|
|
for (cm = ca->mboxes; cm != NULL; cm = cm->next) |
203 |
|
|
if (*cm->filters == NULL) |
204 |
lefcha |
1.51 |
mailbox_status(&connpri, cm->name); |
205 |
|
|
else if (!select_mailbox(&connpri, cm->name)) { |
206 |
lefcha |
1.43 |
apply_filters(cm->name, cm->filters); |
207 |
lefcha |
1.51 |
close_mailbox(&connpri); |
208 |
lefcha |
1.42 |
} |
209 |
lefcha |
1.51 |
logout(&connpri); |
210 |
lefcha |
1.33 |
|
211 |
lefcha |
1.51 |
close_connection(&connpri); |
212 |
lefcha |
1.33 |
} |
213 |
lefcha |
1.11 |
|
214 |
lefcha |
1.42 |
/* Fork if in daemon mode. */ |
215 |
lefcha |
1.58 |
if (options & OPTION_DAEMON_MODE && |
216 |
|
|
!(flags & FLAG_DAEMON_MODE)) { |
217 |
|
|
|
218 |
|
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switch (fork()) { |
219 |
|
|
case -1: |
220 |
|
|
fatal(ERROR_FORK, "forking; %s\n", |
221 |
|
|
strerror(errno)); |
222 |
|
|
break; |
223 |
|
|
case 0: |
224 |
|
|
break; |
225 |
|
|
default: |
226 |
lefcha |
1.60 |
log_stop(); |
227 |
lefcha |
1.58 |
secmem_clear(); |
228 |
lefcha |
1.60 |
debug_stop(); |
229 |
lefcha |
1.58 |
exit(0); |
230 |
|
|
break; |
231 |
|
|
} |
232 |
|
|
|
233 |
|
|
if (setsid() == -1) |
234 |
|
|
fatal(ERROR_FORK, "creating session; %s\n", |
235 |
|
|
strerror(errno)); |
236 |
|
|
|
237 |
|
|
switch (fork()) { |
238 |
lefcha |
1.42 |
case -1: |
239 |
|
|
fatal(ERROR_FORK, "forking; %s\n", |
240 |
|
|
strerror(errno)); |
241 |
|
|
break; |
242 |
|
|
case 0: |
243 |
|
|
break; |
244 |
|
|
default: |
245 |
lefcha |
1.60 |
log_stop(); |
246 |
lefcha |
1.42 |
secmem_clear(); |
247 |
lefcha |
1.60 |
debug_stop(); |
248 |
lefcha |
1.42 |
exit(0); |
249 |
|
|
break; |
250 |
|
|
} |
251 |
lefcha |
1.58 |
|
252 |
|
|
close(STDIN_FILENO); |
253 |
|
|
close(STDOUT_FILENO); |
254 |
|
|
close(STDERR_FILENO); |
255 |
|
|
if (open("/dev/null", O_RDWR) != -1) { |
256 |
|
|
dup(STDIN_FILENO); |
257 |
|
|
dup(STDIN_FILENO); |
258 |
|
|
} |
259 |
|
|
lockfile_create(); |
260 |
|
|
corefile_disable(); |
261 |
|
|
|
262 |
|
|
flags |= FLAG_DAEMON_MODE; |
263 |
lefcha |
1.46 |
} |
264 |
|
|
if (options & OPTION_DAEMON_MODE && |
265 |
lefcha |
1.54 |
flags & FLAG_SIGUSR1_RECEIVED) { |
266 |
lefcha |
1.55 |
reread_config(conffile); |
267 |
lefcha |
1.46 |
continue; |
268 |
lefcha |
1.42 |
} |
269 |
|
|
if (interval) |
270 |
|
|
sleep(interval); |
271 |
|
|
} while (options & OPTION_DAEMON_MODE && interval); |
272 |
lefcha |
1.17 |
|
273 |
lefcha |
1.60 |
log_stop(); |
274 |
lefcha |
1.42 |
secmem_clear(); |
275 |
lefcha |
1.33 |
|
276 |
lefcha |
1.42 |
lockfile_remove(); |
277 |
lefcha |
1.33 |
|
278 |
lefcha |
1.60 |
debug_stop(); |
279 |
|
|
|
280 |
lefcha |
1.55 |
exit(0); |
281 |
lefcha |
1.1 |
} |
282 |
|
|
|
283 |
|
|
|
284 |
|
|
/* |
285 |
lefcha |
1.11 |
* Print a very brief usage message. |
286 |
lefcha |
1.2 |
*/ |
287 |
lefcha |
1.42 |
void |
288 |
|
|
usage(void) |
289 |
lefcha |
1.2 |
{ |
290 |
lefcha |
1.42 |
fprintf(stderr, |
291 |
lefcha |
1.63 |
"usage: imapfilter [-DVbk" |
292 |
lefcha |
1.26 |
#ifdef ENCRYPTED_PASSWORDS |
293 |
|
|
"p" |
294 |
lefcha |
1.33 |
#endif |
295 |
lefcha |
1.63 |
"qv] [-c configfile] [-d interval] [-l logfile]\n"); |
296 |
|
|
|
297 |
|
|
exit(ERROR_UNDEFINED); |
298 |
lefcha |
1.38 |
} |
299 |
|
|
|
300 |
|
|
|
301 |
|
|
/* |
302 |
|
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* Print program's version, and if it is built in, OpenSSL's version number. |
303 |
|
|
*/ |
304 |
lefcha |
1.42 |
void |
305 |
|
|
version(void) |
306 |
lefcha |
1.38 |
{ |
307 |
lefcha |
1.42 |
fprintf(stderr, "IMAPFilter %s" |
308 |
lefcha |
1.53 |
#if defined SSL_TLS || defined ENCRYPTED_PASSWORDS || defined CRAM_MD5 |
309 |
lefcha |
1.38 |
", OpenSSL 0x%8.8lx" |
310 |
|
|
#endif |
311 |
|
|
"\n", IMAPFILTER_VERSION |
312 |
lefcha |
1.53 |
#if defined SSL_TLS || defined ENCRYPTED_PASSWORDS || defined CRAM_MD5 |
313 |
lefcha |
1.38 |
,SSLeay() |
314 |
|
|
#endif |
315 |
lefcha |
1.42 |
); |
316 |
lefcha |
1.63 |
|
317 |
|
|
exit(ERROR_UNDEFINED); |
318 |
lefcha |
1.1 |
} |