]>
Commit | Line | Data |
---|---|---|
f2561fda MM |
1 | /* |
2 | * git-imap-send - drops patches into an imap Drafts folder | |
3 | * derived from isync/mbsync - mailbox synchronizer | |
4 | * | |
5 | * Copyright (C) 2000-2002 Michael R. Elkins <me@mutt.org> | |
6 | * Copyright (C) 2002-2004 Oswald Buddenhagen <ossi@users.sf.net> | |
7 | * Copyright (C) 2004 Theodore Y. Ts'o <tytso@mit.edu> | |
8 | * Copyright (C) 2006 Mike McCormack | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
23 | */ | |
24 | ||
25 | #include "cache.h" | |
2fb3f6db | 26 | #include "exec_cmd.h" |
684ec6c6 RS |
27 | #ifdef NO_OPENSSL |
28 | typedef void *SSL; | |
29 | #endif | |
f2561fda | 30 | |
9f1ad541 | 31 | struct store_conf { |
f2561fda MM |
32 | char *name; |
33 | const char *path; /* should this be here? its interpretation is driver-specific */ | |
34 | char *map_inbox; | |
35 | char *trash; | |
36 | unsigned max_size; /* off_t is overkill */ | |
37 | unsigned trash_remote_new:1, trash_only_new:1; | |
9f1ad541 | 38 | }; |
f2561fda | 39 | |
9f1ad541 | 40 | struct string_list { |
f2561fda MM |
41 | struct string_list *next; |
42 | char string[1]; | |
9f1ad541 | 43 | }; |
f2561fda | 44 | |
9f1ad541 | 45 | struct channel_conf { |
f2561fda MM |
46 | struct channel_conf *next; |
47 | char *name; | |
9f1ad541 | 48 | struct store_conf *master, *slave; |
f2561fda MM |
49 | char *master_name, *slave_name; |
50 | char *sync_state; | |
9f1ad541 | 51 | struct string_list *patterns; |
f2561fda MM |
52 | int mops, sops; |
53 | unsigned max_messages; /* for slave only */ | |
9f1ad541 | 54 | }; |
f2561fda | 55 | |
9f1ad541 | 56 | struct group_conf { |
f2561fda MM |
57 | struct group_conf *next; |
58 | char *name; | |
9f1ad541 JH |
59 | struct string_list *channels; |
60 | }; | |
f2561fda MM |
61 | |
62 | /* For message->status */ | |
63 | #define M_RECENT (1<<0) /* unsyncable flag; maildir_* depend on this being 1<<0 */ | |
64 | #define M_DEAD (1<<1) /* expunged */ | |
65 | #define M_FLAGS (1<<2) /* flags fetched */ | |
66 | ||
9f1ad541 | 67 | struct message { |
f2561fda | 68 | struct message *next; |
9f1ad541 | 69 | /* struct string_list *keywords; */ |
f2561fda MM |
70 | size_t size; /* zero implies "not fetched" */ |
71 | int uid; | |
72 | unsigned char flags, status; | |
9f1ad541 | 73 | }; |
f2561fda | 74 | |
9f1ad541 JH |
75 | struct store { |
76 | struct store_conf *conf; /* foreign */ | |
f2561fda MM |
77 | |
78 | /* currently open mailbox */ | |
79 | const char *name; /* foreign! maybe preset? */ | |
80 | char *path; /* own */ | |
9f1ad541 | 81 | struct message *msgs; /* own */ |
f2561fda MM |
82 | int uidvalidity; |
83 | unsigned char opts; /* maybe preset? */ | |
84 | /* note that the following do _not_ reflect stats from msgs, but mailbox totals */ | |
85 | int count; /* # of messages */ | |
86 | int recent; /* # of recent messages - don't trust this beyond the initial read */ | |
9f1ad541 | 87 | }; |
f2561fda | 88 | |
9f1ad541 | 89 | struct msg_data { |
f2561fda MM |
90 | char *data; |
91 | int len; | |
92 | unsigned char flags; | |
2bda77e0 | 93 | unsigned int crlf:1; |
9f1ad541 | 94 | }; |
f2561fda MM |
95 | |
96 | #define DRV_OK 0 | |
97 | #define DRV_MSG_BAD -1 | |
98 | #define DRV_BOX_BAD -2 | |
99 | #define DRV_STORE_BAD -3 | |
100 | ||
101 | static int Verbose, Quiet; | |
102 | ||
95c53908 RS |
103 | static void imap_info(const char *, ...); |
104 | static void imap_warn(const char *, ...); | |
f2561fda | 105 | |
95c53908 | 106 | static char *next_arg(char **); |
f2561fda | 107 | |
9f1ad541 | 108 | static void free_generic_messages(struct message *); |
f2561fda | 109 | |
95c53908 | 110 | static int nfsnprintf(char *buf, int blen, const char *fmt, ...); |
f2561fda | 111 | |
19247e55 PH |
112 | static int nfvasprintf(char **strp, const char *fmt, va_list ap) |
113 | { | |
114 | int len; | |
115 | char tmp[8192]; | |
116 | ||
117 | len = vsnprintf(tmp, sizeof(tmp), fmt, ap); | |
118 | if (len < 0) | |
d7530708 | 119 | die("Fatal: Out of memory"); |
19247e55 | 120 | if (len >= sizeof(tmp)) |
d7530708 | 121 | die("imap command overflow!"); |
19247e55 PH |
122 | *strp = xmemdupz(tmp, len); |
123 | return len; | |
124 | } | |
f2561fda | 125 | |
95c53908 RS |
126 | static void arc4_init(void); |
127 | static unsigned char arc4_getbyte(void); | |
f2561fda | 128 | |
9f1ad541 | 129 | struct imap_server_conf { |
f2561fda MM |
130 | char *name; |
131 | char *tunnel; | |
132 | char *host; | |
133 | int port; | |
134 | char *user; | |
135 | char *pass; | |
684ec6c6 RS |
136 | int use_ssl; |
137 | int ssl_verify; | |
c64d84f1 | 138 | int use_html; |
9f1ad541 | 139 | }; |
f2561fda | 140 | |
9f1ad541 JH |
141 | struct imap_store_conf { |
142 | struct store_conf gen; | |
143 | struct imap_server_conf *server; | |
f2561fda | 144 | unsigned use_namespace:1; |
9f1ad541 | 145 | }; |
f2561fda | 146 | |
9f1ad541 JH |
147 | #define NIL (void *)0x1 |
148 | #define LIST (void *)0x2 | |
f2561fda | 149 | |
9f1ad541 JH |
150 | struct imap_list { |
151 | struct imap_list *next, *child; | |
f2561fda MM |
152 | char *val; |
153 | int len; | |
9f1ad541 | 154 | }; |
f2561fda | 155 | |
9f1ad541 | 156 | struct imap_socket { |
f2561fda | 157 | int fd; |
684ec6c6 | 158 | SSL *ssl; |
9f1ad541 | 159 | }; |
f2561fda | 160 | |
9f1ad541 JH |
161 | struct imap_buffer { |
162 | struct imap_socket sock; | |
f2561fda MM |
163 | int bytes; |
164 | int offset; | |
165 | char buf[1024]; | |
9f1ad541 | 166 | }; |
f2561fda MM |
167 | |
168 | struct imap_cmd; | |
169 | ||
9f1ad541 | 170 | struct imap { |
f2561fda | 171 | int uidnext; /* from SELECT responses */ |
9f1ad541 | 172 | struct imap_list *ns_personal, *ns_other, *ns_shared; /* NAMESPACE info */ |
f2561fda MM |
173 | unsigned caps, rcaps; /* CAPABILITY results */ |
174 | /* command queue */ | |
175 | int nexttag, num_in_progress, literal_pending; | |
176 | struct imap_cmd *in_progress, **in_progress_append; | |
9f1ad541 JH |
177 | struct imap_buffer buf; /* this is BIG, so put it last */ |
178 | }; | |
f2561fda | 179 | |
9f1ad541 JH |
180 | struct imap_store { |
181 | struct store gen; | |
f2561fda | 182 | int uidvalidity; |
9f1ad541 | 183 | struct imap *imap; |
f2561fda MM |
184 | const char *prefix; |
185 | unsigned /*currentnc:1,*/ trashnc:1; | |
9f1ad541 | 186 | }; |
f2561fda MM |
187 | |
188 | struct imap_cmd_cb { | |
9f1ad541 JH |
189 | int (*cont)(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt); |
190 | void (*done)(struct imap_store *ctx, struct imap_cmd *cmd, int response); | |
f2561fda MM |
191 | void *ctx; |
192 | char *data; | |
193 | int dlen; | |
194 | int uid; | |
195 | unsigned create:1, trycreate:1; | |
196 | }; | |
197 | ||
198 | struct imap_cmd { | |
199 | struct imap_cmd *next; | |
200 | struct imap_cmd_cb cb; | |
201 | char *cmd; | |
202 | int tag; | |
203 | }; | |
204 | ||
205 | #define CAP(cap) (imap->caps & (1 << (cap))) | |
206 | ||
207 | enum CAPABILITY { | |
208 | NOLOGIN = 0, | |
209 | UIDPLUS, | |
210 | LITERALPLUS, | |
211 | NAMESPACE, | |
684ec6c6 | 212 | STARTTLS, |
f2561fda MM |
213 | }; |
214 | ||
215 | static const char *cap_list[] = { | |
216 | "LOGINDISABLED", | |
217 | "UIDPLUS", | |
218 | "LITERAL+", | |
219 | "NAMESPACE", | |
684ec6c6 | 220 | "STARTTLS", |
f2561fda MM |
221 | }; |
222 | ||
223 | #define RESP_OK 0 | |
224 | #define RESP_NO 1 | |
225 | #define RESP_BAD 2 | |
226 | ||
9f1ad541 | 227 | static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd); |
f2561fda MM |
228 | |
229 | ||
230 | static const char *Flags[] = { | |
231 | "Draft", | |
232 | "Flagged", | |
233 | "Answered", | |
234 | "Seen", | |
235 | "Deleted", | |
236 | }; | |
237 | ||
684ec6c6 RS |
238 | #ifndef NO_OPENSSL |
239 | static void ssl_socket_perror(const char *func) | |
240 | { | |
2af202be | 241 | fprintf(stderr, "%s: %s\n", func, ERR_error_string(ERR_get_error(), NULL)); |
684ec6c6 RS |
242 | } |
243 | #endif | |
244 | ||
9f1ad541 | 245 | static void socket_perror(const char *func, struct imap_socket *sock, int ret) |
f2561fda | 246 | { |
684ec6c6 RS |
247 | #ifndef NO_OPENSSL |
248 | if (sock->ssl) { | |
249 | int sslerr = SSL_get_error(sock->ssl, ret); | |
250 | switch (sslerr) { | |
251 | case SSL_ERROR_NONE: | |
252 | break; | |
253 | case SSL_ERROR_SYSCALL: | |
254 | perror("SSL_connect"); | |
255 | break; | |
256 | default: | |
257 | ssl_socket_perror("SSL_connect"); | |
258 | break; | |
259 | } | |
260 | } else | |
261 | #endif | |
262 | { | |
263 | if (ret < 0) | |
264 | perror(func); | |
265 | else | |
266 | fprintf(stderr, "%s: unexpected EOF\n", func); | |
267 | } | |
268 | } | |
269 | ||
9f1ad541 | 270 | static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int verify) |
684ec6c6 RS |
271 | { |
272 | #ifdef NO_OPENSSL | |
273 | fprintf(stderr, "SSL requested but SSL support not compiled in\n"); | |
274 | return -1; | |
275 | #else | |
276 | SSL_METHOD *meth; | |
277 | SSL_CTX *ctx; | |
278 | int ret; | |
279 | ||
280 | SSL_library_init(); | |
281 | SSL_load_error_strings(); | |
282 | ||
283 | if (use_tls_only) | |
284 | meth = TLSv1_method(); | |
f2561fda | 285 | else |
684ec6c6 RS |
286 | meth = SSLv23_method(); |
287 | ||
288 | if (!meth) { | |
289 | ssl_socket_perror("SSLv23_method"); | |
290 | return -1; | |
291 | } | |
292 | ||
293 | ctx = SSL_CTX_new(meth); | |
294 | ||
295 | if (verify) | |
296 | SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL); | |
297 | ||
298 | if (!SSL_CTX_set_default_verify_paths(ctx)) { | |
299 | ssl_socket_perror("SSL_CTX_set_default_verify_paths"); | |
300 | return -1; | |
301 | } | |
302 | sock->ssl = SSL_new(ctx); | |
303 | if (!sock->ssl) { | |
304 | ssl_socket_perror("SSL_new"); | |
305 | return -1; | |
306 | } | |
307 | if (!SSL_set_fd(sock->ssl, sock->fd)) { | |
308 | ssl_socket_perror("SSL_set_fd"); | |
309 | return -1; | |
310 | } | |
311 | ||
312 | ret = SSL_connect(sock->ssl); | |
313 | if (ret <= 0) { | |
314 | socket_perror("SSL_connect", sock, ret); | |
315 | return -1; | |
316 | } | |
317 | ||
318 | return 0; | |
319 | #endif | |
f2561fda MM |
320 | } |
321 | ||
9f1ad541 | 322 | static int socket_read(struct imap_socket *sock, char *buf, int len) |
f2561fda | 323 | { |
684ec6c6 RS |
324 | ssize_t n; |
325 | #ifndef NO_OPENSSL | |
326 | if (sock->ssl) | |
327 | n = SSL_read(sock->ssl, buf, len); | |
328 | else | |
329 | #endif | |
95c53908 | 330 | n = xread(sock->fd, buf, len); |
f2561fda | 331 | if (n <= 0) { |
95c53908 RS |
332 | socket_perror("read", sock, n); |
333 | close(sock->fd); | |
f2561fda MM |
334 | sock->fd = -1; |
335 | } | |
336 | return n; | |
337 | } | |
338 | ||
9f1ad541 | 339 | static int socket_write(struct imap_socket *sock, const char *buf, int len) |
f2561fda | 340 | { |
684ec6c6 RS |
341 | int n; |
342 | #ifndef NO_OPENSSL | |
343 | if (sock->ssl) | |
344 | n = SSL_write(sock->ssl, buf, len); | |
345 | else | |
346 | #endif | |
95c53908 | 347 | n = write_in_full(sock->fd, buf, len); |
f2561fda | 348 | if (n != len) { |
95c53908 RS |
349 | socket_perror("write", sock, n); |
350 | close(sock->fd); | |
f2561fda MM |
351 | sock->fd = -1; |
352 | } | |
353 | return n; | |
354 | } | |
355 | ||
9f1ad541 | 356 | static void socket_shutdown(struct imap_socket *sock) |
684ec6c6 RS |
357 | { |
358 | #ifndef NO_OPENSSL | |
359 | if (sock->ssl) { | |
360 | SSL_shutdown(sock->ssl); | |
361 | SSL_free(sock->ssl); | |
362 | } | |
363 | #endif | |
364 | close(sock->fd); | |
365 | } | |
366 | ||
f2561fda | 367 | /* simple line buffering */ |
9f1ad541 | 368 | static int buffer_gets(struct imap_buffer *b, char **s) |
f2561fda MM |
369 | { |
370 | int n; | |
371 | int start = b->offset; | |
372 | ||
373 | *s = b->buf + start; | |
374 | ||
375 | for (;;) { | |
376 | /* make sure we have enough data to read the \r\n sequence */ | |
377 | if (b->offset + 1 >= b->bytes) { | |
378 | if (start) { | |
379 | /* shift down used bytes */ | |
380 | *s = b->buf; | |
381 | ||
95c53908 | 382 | assert(start <= b->bytes); |
f2561fda MM |
383 | n = b->bytes - start; |
384 | ||
385 | if (n) | |
173a9cbe | 386 | memmove(b->buf, b->buf + start, n); |
f2561fda MM |
387 | b->offset -= start; |
388 | b->bytes = n; | |
389 | start = 0; | |
390 | } | |
391 | ||
95c53908 RS |
392 | n = socket_read(&b->sock, b->buf + b->bytes, |
393 | sizeof(b->buf) - b->bytes); | |
f2561fda MM |
394 | |
395 | if (n <= 0) | |
396 | return -1; | |
397 | ||
398 | b->bytes += n; | |
399 | } | |
400 | ||
401 | if (b->buf[b->offset] == '\r') { | |
95c53908 | 402 | assert(b->offset + 1 < b->bytes); |
f2561fda MM |
403 | if (b->buf[b->offset + 1] == '\n') { |
404 | b->buf[b->offset] = 0; /* terminate the string */ | |
405 | b->offset += 2; /* next line */ | |
406 | if (Verbose) | |
95c53908 | 407 | puts(*s); |
f2561fda MM |
408 | return 0; |
409 | } | |
410 | } | |
411 | ||
412 | b->offset++; | |
413 | } | |
414 | /* not reached */ | |
415 | } | |
416 | ||
95c53908 | 417 | static void imap_info(const char *msg, ...) |
f2561fda MM |
418 | { |
419 | va_list va; | |
420 | ||
421 | if (!Quiet) { | |
95c53908 RS |
422 | va_start(va, msg); |
423 | vprintf(msg, va); | |
424 | va_end(va); | |
425 | fflush(stdout); | |
f2561fda MM |
426 | } |
427 | } | |
428 | ||
95c53908 | 429 | static void imap_warn(const char *msg, ...) |
f2561fda MM |
430 | { |
431 | va_list va; | |
432 | ||
433 | if (Quiet < 2) { | |
95c53908 RS |
434 | va_start(va, msg); |
435 | vfprintf(stderr, msg, va); | |
436 | va_end(va); | |
f2561fda MM |
437 | } |
438 | } | |
439 | ||
95c53908 | 440 | static char *next_arg(char **s) |
f2561fda MM |
441 | { |
442 | char *ret; | |
443 | ||
444 | if (!s || !*s) | |
5142db69 | 445 | return NULL; |
95c53908 | 446 | while (isspace((unsigned char) **s)) |
f2561fda MM |
447 | (*s)++; |
448 | if (!**s) { | |
5142db69 RS |
449 | *s = NULL; |
450 | return NULL; | |
f2561fda MM |
451 | } |
452 | if (**s == '"') { | |
453 | ++*s; | |
454 | ret = *s; | |
95c53908 | 455 | *s = strchr(*s, '"'); |
f2561fda MM |
456 | } else { |
457 | ret = *s; | |
95c53908 | 458 | while (**s && !isspace((unsigned char) **s)) |
f2561fda MM |
459 | (*s)++; |
460 | } | |
461 | if (*s) { | |
462 | if (**s) | |
463 | *(*s)++ = 0; | |
464 | if (!**s) | |
5142db69 | 465 | *s = NULL; |
f2561fda MM |
466 | } |
467 | return ret; | |
468 | } | |
469 | ||
9f1ad541 | 470 | static void free_generic_messages(struct message *msgs) |
f2561fda | 471 | { |
9f1ad541 | 472 | struct message *tmsg; |
f2561fda MM |
473 | |
474 | for (; msgs; msgs = tmsg) { | |
475 | tmsg = msgs->next; | |
95c53908 | 476 | free(msgs); |
f2561fda MM |
477 | } |
478 | } | |
479 | ||
95c53908 | 480 | static int nfsnprintf(char *buf, int blen, const char *fmt, ...) |
f2561fda MM |
481 | { |
482 | int ret; | |
483 | va_list va; | |
484 | ||
95c53908 RS |
485 | va_start(va, fmt); |
486 | if (blen <= 0 || (unsigned)(ret = vsnprintf(buf, blen, fmt, va)) >= (unsigned)blen) | |
d7530708 | 487 | die("Fatal: buffer too small. Please report a bug."); |
95c53908 | 488 | va_end(va); |
f2561fda MM |
489 | return ret; |
490 | } | |
491 | ||
f2561fda MM |
492 | static struct { |
493 | unsigned char i, j, s[256]; | |
494 | } rs; | |
495 | ||
95c53908 | 496 | static void arc4_init(void) |
f2561fda MM |
497 | { |
498 | int i, fd; | |
499 | unsigned char j, si, dat[128]; | |
500 | ||
95c53908 RS |
501 | if ((fd = open("/dev/urandom", O_RDONLY)) < 0 && (fd = open("/dev/random", O_RDONLY)) < 0) { |
502 | fprintf(stderr, "Fatal: no random number source available.\n"); | |
503 | exit(3); | |
f2561fda | 504 | } |
95c53908 RS |
505 | if (read_in_full(fd, dat, 128) != 128) { |
506 | fprintf(stderr, "Fatal: cannot read random number source.\n"); | |
507 | exit(3); | |
f2561fda | 508 | } |
95c53908 | 509 | close(fd); |
f2561fda MM |
510 | |
511 | for (i = 0; i < 256; i++) | |
512 | rs.s[i] = i; | |
513 | for (i = j = 0; i < 256; i++) { | |
514 | si = rs.s[i]; | |
515 | j += si + dat[i & 127]; | |
516 | rs.s[i] = rs.s[j]; | |
517 | rs.s[j] = si; | |
518 | } | |
519 | rs.i = rs.j = 0; | |
520 | ||
521 | for (i = 0; i < 256; i++) | |
522 | arc4_getbyte(); | |
523 | } | |
524 | ||
95c53908 | 525 | static unsigned char arc4_getbyte(void) |
f2561fda MM |
526 | { |
527 | unsigned char si, sj; | |
528 | ||
529 | rs.i++; | |
530 | si = rs.s[rs.i]; | |
531 | rs.j += si; | |
532 | sj = rs.s[rs.j]; | |
533 | rs.s[rs.i] = sj; | |
534 | rs.s[rs.j] = si; | |
535 | return rs.s[(si + sj) & 0xff]; | |
536 | } | |
537 | ||
9f1ad541 | 538 | static struct imap_cmd *v_issue_imap_cmd(struct imap_store *ctx, |
95c53908 RS |
539 | struct imap_cmd_cb *cb, |
540 | const char *fmt, va_list ap) | |
f2561fda | 541 | { |
9f1ad541 | 542 | struct imap *imap = ctx->imap; |
f2561fda MM |
543 | struct imap_cmd *cmd; |
544 | int n, bufl; | |
545 | char buf[1024]; | |
546 | ||
95c53908 RS |
547 | cmd = xmalloc(sizeof(struct imap_cmd)); |
548 | nfvasprintf(&cmd->cmd, fmt, ap); | |
f2561fda MM |
549 | cmd->tag = ++imap->nexttag; |
550 | ||
551 | if (cb) | |
552 | cmd->cb = *cb; | |
553 | else | |
95c53908 | 554 | memset(&cmd->cb, 0, sizeof(cmd->cb)); |
f2561fda MM |
555 | |
556 | while (imap->literal_pending) | |
95c53908 | 557 | get_cmd_result(ctx, NULL); |
f2561fda | 558 | |
95c53908 | 559 | bufl = nfsnprintf(buf, sizeof(buf), cmd->cb.data ? CAP(LITERALPLUS) ? |
f2561fda | 560 | "%d %s{%d+}\r\n" : "%d %s{%d}\r\n" : "%d %s\r\n", |
95c53908 | 561 | cmd->tag, cmd->cmd, cmd->cb.dlen); |
f2561fda MM |
562 | if (Verbose) { |
563 | if (imap->num_in_progress) | |
95c53908 RS |
564 | printf("(%d in progress) ", imap->num_in_progress); |
565 | if (memcmp(cmd->cmd, "LOGIN", 5)) | |
566 | printf(">>> %s", buf); | |
f2561fda | 567 | else |
95c53908 | 568 | printf(">>> %d LOGIN <user> <pass>\n", cmd->tag); |
f2561fda | 569 | } |
95c53908 RS |
570 | if (socket_write(&imap->buf.sock, buf, bufl) != bufl) { |
571 | free(cmd->cmd); | |
572 | free(cmd); | |
8e0f7003 | 573 | if (cb) |
95c53908 | 574 | free(cb->data); |
f2561fda MM |
575 | return NULL; |
576 | } | |
577 | if (cmd->cb.data) { | |
578 | if (CAP(LITERALPLUS)) { | |
95c53908 RS |
579 | n = socket_write(&imap->buf.sock, cmd->cb.data, cmd->cb.dlen); |
580 | free(cmd->cb.data); | |
f2561fda | 581 | if (n != cmd->cb.dlen || |
8e76bf3f | 582 | socket_write(&imap->buf.sock, "\r\n", 2) != 2) { |
95c53908 RS |
583 | free(cmd->cmd); |
584 | free(cmd); | |
f2561fda MM |
585 | return NULL; |
586 | } | |
5142db69 | 587 | cmd->cb.data = NULL; |
f2561fda MM |
588 | } else |
589 | imap->literal_pending = 1; | |
590 | } else if (cmd->cb.cont) | |
591 | imap->literal_pending = 1; | |
5142db69 | 592 | cmd->next = NULL; |
f2561fda MM |
593 | *imap->in_progress_append = cmd; |
594 | imap->in_progress_append = &cmd->next; | |
595 | imap->num_in_progress++; | |
596 | return cmd; | |
597 | } | |
598 | ||
9f1ad541 | 599 | static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx, |
95c53908 RS |
600 | struct imap_cmd_cb *cb, |
601 | const char *fmt, ...) | |
f2561fda MM |
602 | { |
603 | struct imap_cmd *ret; | |
604 | va_list ap; | |
605 | ||
95c53908 RS |
606 | va_start(ap, fmt); |
607 | ret = v_issue_imap_cmd(ctx, cb, fmt, ap); | |
608 | va_end(ap); | |
f2561fda MM |
609 | return ret; |
610 | } | |
611 | ||
9f1ad541 | 612 | static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb, |
95c53908 | 613 | const char *fmt, ...) |
f2561fda MM |
614 | { |
615 | va_list ap; | |
616 | struct imap_cmd *cmdp; | |
617 | ||
95c53908 RS |
618 | va_start(ap, fmt); |
619 | cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap); | |
620 | va_end(ap); | |
f2561fda MM |
621 | if (!cmdp) |
622 | return RESP_BAD; | |
623 | ||
95c53908 | 624 | return get_cmd_result(ctx, cmdp); |
f2561fda MM |
625 | } |
626 | ||
9f1ad541 | 627 | static int imap_exec_m(struct imap_store *ctx, struct imap_cmd_cb *cb, |
95c53908 | 628 | const char *fmt, ...) |
f2561fda MM |
629 | { |
630 | va_list ap; | |
631 | struct imap_cmd *cmdp; | |
632 | ||
95c53908 RS |
633 | va_start(ap, fmt); |
634 | cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap); | |
635 | va_end(ap); | |
f2561fda MM |
636 | if (!cmdp) |
637 | return DRV_STORE_BAD; | |
638 | ||
95c53908 | 639 | switch (get_cmd_result(ctx, cmdp)) { |
f2561fda MM |
640 | case RESP_BAD: return DRV_STORE_BAD; |
641 | case RESP_NO: return DRV_MSG_BAD; | |
642 | default: return DRV_OK; | |
643 | } | |
644 | } | |
645 | ||
9f1ad541 | 646 | static int is_atom(struct imap_list *list) |
f2561fda MM |
647 | { |
648 | return list && list->val && list->val != NIL && list->val != LIST; | |
649 | } | |
650 | ||
9f1ad541 | 651 | static int is_list(struct imap_list *list) |
f2561fda MM |
652 | { |
653 | return list && list->val == LIST; | |
654 | } | |
655 | ||
9f1ad541 | 656 | static void free_list(struct imap_list *list) |
f2561fda | 657 | { |
9f1ad541 | 658 | struct imap_list *tmp; |
f2561fda MM |
659 | |
660 | for (; list; list = tmp) { | |
661 | tmp = list->next; | |
95c53908 RS |
662 | if (is_list(list)) |
663 | free_list(list->child); | |
664 | else if (is_atom(list)) | |
665 | free(list->val); | |
666 | free(list); | |
f2561fda MM |
667 | } |
668 | } | |
669 | ||
9f1ad541 | 670 | static int parse_imap_list_l(struct imap *imap, char **sp, struct imap_list **curp, int level) |
f2561fda | 671 | { |
9f1ad541 | 672 | struct imap_list *cur; |
f2561fda MM |
673 | char *s = *sp, *p; |
674 | int n, bytes; | |
675 | ||
676 | for (;;) { | |
95c53908 | 677 | while (isspace((unsigned char)*s)) |
f2561fda MM |
678 | s++; |
679 | if (level && *s == ')') { | |
680 | s++; | |
681 | break; | |
682 | } | |
95c53908 | 683 | *curp = cur = xmalloc(sizeof(*cur)); |
f2561fda | 684 | curp = &cur->next; |
5142db69 | 685 | cur->val = NULL; /* for clean bail */ |
f2561fda MM |
686 | if (*s == '(') { |
687 | /* sublist */ | |
688 | s++; | |
689 | cur->val = LIST; | |
95c53908 | 690 | if (parse_imap_list_l(imap, &s, &cur->child, level + 1)) |
f2561fda MM |
691 | goto bail; |
692 | } else if (imap && *s == '{') { | |
693 | /* literal */ | |
95c53908 | 694 | bytes = cur->len = strtol(s + 1, &s, 10); |
f2561fda MM |
695 | if (*s != '}') |
696 | goto bail; | |
697 | ||
95c53908 | 698 | s = cur->val = xmalloc(cur->len); |
f2561fda MM |
699 | |
700 | /* dump whats left over in the input buffer */ | |
701 | n = imap->buf.bytes - imap->buf.offset; | |
702 | ||
703 | if (n > bytes) | |
704 | /* the entire message fit in the buffer */ | |
705 | n = bytes; | |
706 | ||
95c53908 | 707 | memcpy(s, imap->buf.buf + imap->buf.offset, n); |
f2561fda MM |
708 | s += n; |
709 | bytes -= n; | |
710 | ||
711 | /* mark that we used part of the buffer */ | |
712 | imap->buf.offset += n; | |
713 | ||
714 | /* now read the rest of the message */ | |
715 | while (bytes > 0) { | |
95c53908 | 716 | if ((n = socket_read(&imap->buf.sock, s, bytes)) <= 0) |
f2561fda MM |
717 | goto bail; |
718 | s += n; | |
719 | bytes -= n; | |
720 | } | |
721 | ||
95c53908 | 722 | if (buffer_gets(&imap->buf, &s)) |
f2561fda MM |
723 | goto bail; |
724 | } else if (*s == '"') { | |
725 | /* quoted string */ | |
726 | s++; | |
727 | p = s; | |
728 | for (; *s != '"'; s++) | |
729 | if (!*s) | |
730 | goto bail; | |
731 | cur->len = s - p; | |
732 | s++; | |
182af834 | 733 | cur->val = xmemdupz(p, cur->len); |
f2561fda MM |
734 | } else { |
735 | /* atom */ | |
736 | p = s; | |
95c53908 | 737 | for (; *s && !isspace((unsigned char)*s); s++) |
f2561fda MM |
738 | if (level && *s == ')') |
739 | break; | |
740 | cur->len = s - p; | |
9f1ad541 | 741 | if (cur->len == 3 && !memcmp("NIL", p, 3)) |
f2561fda | 742 | cur->val = NIL; |
9f1ad541 | 743 | else |
182af834 | 744 | cur->val = xmemdupz(p, cur->len); |
f2561fda MM |
745 | } |
746 | ||
747 | if (!level) | |
748 | break; | |
749 | if (!*s) | |
750 | goto bail; | |
751 | } | |
752 | *sp = s; | |
5142db69 | 753 | *curp = NULL; |
f2561fda MM |
754 | return 0; |
755 | ||
9f1ad541 | 756 | bail: |
5142db69 | 757 | *curp = NULL; |
f2561fda MM |
758 | return -1; |
759 | } | |
760 | ||
9f1ad541 | 761 | static struct imap_list *parse_imap_list(struct imap *imap, char **sp) |
f2561fda | 762 | { |
9f1ad541 | 763 | struct imap_list *head; |
f2561fda | 764 | |
95c53908 | 765 | if (!parse_imap_list_l(imap, sp, &head, 0)) |
f2561fda | 766 | return head; |
95c53908 | 767 | free_list(head); |
f2561fda MM |
768 | return NULL; |
769 | } | |
770 | ||
9f1ad541 | 771 | static struct imap_list *parse_list(char **sp) |
f2561fda | 772 | { |
95c53908 | 773 | return parse_imap_list(NULL, sp); |
f2561fda MM |
774 | } |
775 | ||
9f1ad541 | 776 | static void parse_capability(struct imap *imap, char *cmd) |
f2561fda MM |
777 | { |
778 | char *arg; | |
779 | unsigned i; | |
780 | ||
781 | imap->caps = 0x80000000; | |
95c53908 | 782 | while ((arg = next_arg(&cmd))) |
f2561fda | 783 | for (i = 0; i < ARRAY_SIZE(cap_list); i++) |
95c53908 | 784 | if (!strcmp(cap_list[i], arg)) |
f2561fda MM |
785 | imap->caps |= 1 << i; |
786 | imap->rcaps = imap->caps; | |
787 | } | |
788 | ||
9f1ad541 | 789 | static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb, |
95c53908 | 790 | char *s) |
f2561fda | 791 | { |
9f1ad541 | 792 | struct imap *imap = ctx->imap; |
f2561fda MM |
793 | char *arg, *p; |
794 | ||
795 | if (*s != '[') | |
796 | return RESP_OK; /* no response code */ | |
797 | s++; | |
95c53908 RS |
798 | if (!(p = strchr(s, ']'))) { |
799 | fprintf(stderr, "IMAP error: malformed response code\n"); | |
f2561fda MM |
800 | return RESP_BAD; |
801 | } | |
802 | *p++ = 0; | |
95c53908 RS |
803 | arg = next_arg(&s); |
804 | if (!strcmp("UIDVALIDITY", arg)) { | |
805 | if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg))) { | |
806 | fprintf(stderr, "IMAP error: malformed UIDVALIDITY status\n"); | |
f2561fda MM |
807 | return RESP_BAD; |
808 | } | |
95c53908 RS |
809 | } else if (!strcmp("UIDNEXT", arg)) { |
810 | if (!(arg = next_arg(&s)) || !(imap->uidnext = atoi(arg))) { | |
811 | fprintf(stderr, "IMAP error: malformed NEXTUID status\n"); | |
f2561fda MM |
812 | return RESP_BAD; |
813 | } | |
95c53908 RS |
814 | } else if (!strcmp("CAPABILITY", arg)) { |
815 | parse_capability(imap, s); | |
816 | } else if (!strcmp("ALERT", arg)) { | |
f2561fda MM |
817 | /* RFC2060 says that these messages MUST be displayed |
818 | * to the user | |
819 | */ | |
95c53908 RS |
820 | for (; isspace((unsigned char)*p); p++); |
821 | fprintf(stderr, "*** IMAP ALERT *** %s\n", p); | |
822 | } else if (cb && cb->ctx && !strcmp("APPENDUID", arg)) { | |
823 | if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg)) || | |
9f1ad541 | 824 | !(arg = next_arg(&s)) || !(*(int *)cb->ctx = atoi(arg))) { |
95c53908 | 825 | fprintf(stderr, "IMAP error: malformed APPENDUID status\n"); |
f2561fda MM |
826 | return RESP_BAD; |
827 | } | |
828 | } | |
829 | return RESP_OK; | |
830 | } | |
831 | ||
9f1ad541 | 832 | static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd) |
f2561fda | 833 | { |
9f1ad541 | 834 | struct imap *imap = ctx->imap; |
f2561fda MM |
835 | struct imap_cmd *cmdp, **pcmdp, *ncmdp; |
836 | char *cmd, *arg, *arg1, *p; | |
837 | int n, resp, resp2, tag; | |
838 | ||
839 | for (;;) { | |
95c53908 | 840 | if (buffer_gets(&imap->buf, &cmd)) |
f2561fda MM |
841 | return RESP_BAD; |
842 | ||
95c53908 | 843 | arg = next_arg(&cmd); |
f2561fda | 844 | if (*arg == '*') { |
95c53908 | 845 | arg = next_arg(&cmd); |
f2561fda | 846 | if (!arg) { |
95c53908 | 847 | fprintf(stderr, "IMAP error: unable to parse untagged response\n"); |
f2561fda MM |
848 | return RESP_BAD; |
849 | } | |
850 | ||
95c53908 RS |
851 | if (!strcmp("NAMESPACE", arg)) { |
852 | imap->ns_personal = parse_list(&cmd); | |
853 | imap->ns_other = parse_list(&cmd); | |
854 | imap->ns_shared = parse_list(&cmd); | |
855 | } else if (!strcmp("OK", arg) || !strcmp("BAD", arg) || | |
856 | !strcmp("NO", arg) || !strcmp("BYE", arg)) { | |
857 | if ((resp = parse_response_code(ctx, NULL, cmd)) != RESP_OK) | |
f2561fda | 858 | return resp; |
95c53908 RS |
859 | } else if (!strcmp("CAPABILITY", arg)) |
860 | parse_capability(imap, cmd); | |
861 | else if ((arg1 = next_arg(&cmd))) { | |
862 | if (!strcmp("EXISTS", arg1)) | |
863 | ctx->gen.count = atoi(arg); | |
864 | else if (!strcmp("RECENT", arg1)) | |
865 | ctx->gen.recent = atoi(arg); | |
f2561fda | 866 | } else { |
95c53908 | 867 | fprintf(stderr, "IMAP error: unable to parse untagged response\n"); |
f2561fda MM |
868 | return RESP_BAD; |
869 | } | |
870 | } else if (!imap->in_progress) { | |
95c53908 | 871 | fprintf(stderr, "IMAP error: unexpected reply: %s %s\n", arg, cmd ? cmd : ""); |
f2561fda MM |
872 | return RESP_BAD; |
873 | } else if (*arg == '+') { | |
874 | /* This can happen only with the last command underway, as | |
875 | it enforces a round-trip. */ | |
876 | cmdp = (struct imap_cmd *)((char *)imap->in_progress_append - | |
877 | offsetof(struct imap_cmd, next)); | |
878 | if (cmdp->cb.data) { | |
95c53908 RS |
879 | n = socket_write(&imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen); |
880 | free(cmdp->cb.data); | |
5142db69 | 881 | cmdp->cb.data = NULL; |
f2561fda MM |
882 | if (n != (int)cmdp->cb.dlen) |
883 | return RESP_BAD; | |
884 | } else if (cmdp->cb.cont) { | |
95c53908 | 885 | if (cmdp->cb.cont(ctx, cmdp, cmd)) |
f2561fda MM |
886 | return RESP_BAD; |
887 | } else { | |
95c53908 | 888 | fprintf(stderr, "IMAP error: unexpected command continuation request\n"); |
f2561fda MM |
889 | return RESP_BAD; |
890 | } | |
95c53908 | 891 | if (socket_write(&imap->buf.sock, "\r\n", 2) != 2) |
f2561fda MM |
892 | return RESP_BAD; |
893 | if (!cmdp->cb.cont) | |
894 | imap->literal_pending = 0; | |
895 | if (!tcmd) | |
896 | return DRV_OK; | |
897 | } else { | |
95c53908 | 898 | tag = atoi(arg); |
f2561fda MM |
899 | for (pcmdp = &imap->in_progress; (cmdp = *pcmdp); pcmdp = &cmdp->next) |
900 | if (cmdp->tag == tag) | |
901 | goto gottag; | |
95c53908 | 902 | fprintf(stderr, "IMAP error: unexpected tag %s\n", arg); |
f2561fda | 903 | return RESP_BAD; |
9f1ad541 | 904 | gottag: |
f2561fda MM |
905 | if (!(*pcmdp = cmdp->next)) |
906 | imap->in_progress_append = pcmdp; | |
907 | imap->num_in_progress--; | |
908 | if (cmdp->cb.cont || cmdp->cb.data) | |
909 | imap->literal_pending = 0; | |
95c53908 RS |
910 | arg = next_arg(&cmd); |
911 | if (!strcmp("OK", arg)) | |
f2561fda MM |
912 | resp = DRV_OK; |
913 | else { | |
95c53908 RS |
914 | if (!strcmp("NO", arg)) { |
915 | if (cmdp->cb.create && cmd && (cmdp->cb.trycreate || !memcmp(cmd, "[TRYCREATE]", 11))) { /* SELECT, APPEND or UID COPY */ | |
916 | p = strchr(cmdp->cmd, '"'); | |
917 | if (!issue_imap_cmd(ctx, NULL, "CREATE \"%.*s\"", strchr(p + 1, '"') - p + 1, p)) { | |
f2561fda MM |
918 | resp = RESP_BAD; |
919 | goto normal; | |
920 | } | |
921 | /* not waiting here violates the spec, but a server that does not | |
922 | grok this nonetheless violates it too. */ | |
923 | cmdp->cb.create = 0; | |
95c53908 | 924 | if (!(ncmdp = issue_imap_cmd(ctx, &cmdp->cb, "%s", cmdp->cmd))) { |
f2561fda MM |
925 | resp = RESP_BAD; |
926 | goto normal; | |
927 | } | |
95c53908 RS |
928 | free(cmdp->cmd); |
929 | free(cmdp); | |
f2561fda MM |
930 | if (!tcmd) |
931 | return 0; /* ignored */ | |
932 | if (cmdp == tcmd) | |
933 | tcmd = ncmdp; | |
934 | continue; | |
935 | } | |
936 | resp = RESP_NO; | |
95c53908 | 937 | } else /*if (!strcmp("BAD", arg))*/ |
f2561fda | 938 | resp = RESP_BAD; |
95c53908 RS |
939 | fprintf(stderr, "IMAP command '%s' returned response (%s) - %s\n", |
940 | memcmp(cmdp->cmd, "LOGIN", 5) ? | |
f2561fda MM |
941 | cmdp->cmd : "LOGIN <user> <pass>", |
942 | arg, cmd ? cmd : ""); | |
943 | } | |
95c53908 | 944 | if ((resp2 = parse_response_code(ctx, &cmdp->cb, cmd)) > resp) |
f2561fda | 945 | resp = resp2; |
9f1ad541 | 946 | normal: |
f2561fda | 947 | if (cmdp->cb.done) |
95c53908 RS |
948 | cmdp->cb.done(ctx, cmdp, resp); |
949 | free(cmdp->cb.data); | |
950 | free(cmdp->cmd); | |
951 | free(cmdp); | |
f2561fda MM |
952 | if (!tcmd || tcmd == cmdp) |
953 | return resp; | |
954 | } | |
955 | } | |
956 | /* not reached */ | |
957 | } | |
958 | ||
9f1ad541 | 959 | static void imap_close_server(struct imap_store *ictx) |
f2561fda | 960 | { |
9f1ad541 | 961 | struct imap *imap = ictx->imap; |
f2561fda MM |
962 | |
963 | if (imap->buf.sock.fd != -1) { | |
95c53908 RS |
964 | imap_exec(ictx, NULL, "LOGOUT"); |
965 | socket_shutdown(&imap->buf.sock); | |
f2561fda | 966 | } |
95c53908 RS |
967 | free_list(imap->ns_personal); |
968 | free_list(imap->ns_other); | |
969 | free_list(imap->ns_shared); | |
970 | free(imap); | |
f2561fda MM |
971 | } |
972 | ||
9f1ad541 | 973 | static void imap_close_store(struct store *ctx) |
f2561fda | 974 | { |
9f1ad541 | 975 | imap_close_server((struct imap_store *)ctx); |
95c53908 RS |
976 | free_generic_messages(ctx->msgs); |
977 | free(ctx); | |
f2561fda MM |
978 | } |
979 | ||
9f1ad541 | 980 | static struct store *imap_open_store(struct imap_server_conf *srvc) |
f2561fda | 981 | { |
9f1ad541 JH |
982 | struct imap_store *ctx; |
983 | struct imap *imap; | |
f2561fda | 984 | char *arg, *rsp; |
94ad2437 | 985 | int s = -1, a[2], preauth; |
c9bc159d | 986 | pid_t pid; |
f2561fda | 987 | |
95c53908 | 988 | ctx = xcalloc(sizeof(*ctx), 1); |
f2561fda | 989 | |
95c53908 | 990 | ctx->imap = imap = xcalloc(sizeof(*imap), 1); |
f2561fda MM |
991 | imap->buf.sock.fd = -1; |
992 | imap->in_progress_append = &imap->in_progress; | |
993 | ||
994 | /* open connection to IMAP server */ | |
995 | ||
996 | if (srvc->tunnel) { | |
95c53908 | 997 | imap_info("Starting tunnel '%s'... ", srvc->tunnel); |
f2561fda | 998 | |
95c53908 RS |
999 | if (socketpair(PF_UNIX, SOCK_STREAM, 0, a)) { |
1000 | perror("socketpair"); | |
1001 | exit(1); | |
f2561fda MM |
1002 | } |
1003 | ||
c9bc159d PD |
1004 | pid = fork(); |
1005 | if (pid < 0) | |
95c53908 | 1006 | _exit(127); |
c9bc159d | 1007 | if (!pid) { |
95c53908 RS |
1008 | if (dup2(a[0], 0) == -1 || dup2(a[0], 1) == -1) |
1009 | _exit(127); | |
1010 | close(a[0]); | |
1011 | close(a[1]); | |
1012 | execl("/bin/sh", "sh", "-c", srvc->tunnel, NULL); | |
1013 | _exit(127); | |
f2561fda MM |
1014 | } |
1015 | ||
95c53908 | 1016 | close(a[0]); |
f2561fda MM |
1017 | |
1018 | imap->buf.sock.fd = a[1]; | |
1019 | ||
95c53908 | 1020 | imap_info("ok\n"); |
f2561fda | 1021 | } else { |
94ad2437 BK |
1022 | #ifndef NO_IPV6 |
1023 | struct addrinfo hints, *ai0, *ai; | |
1024 | int gai; | |
1025 | char portstr[6]; | |
1026 | ||
1027 | snprintf(portstr, sizeof(portstr), "%hu", srvc->port); | |
1028 | ||
1029 | memset(&hints, 0, sizeof(hints)); | |
1030 | hints.ai_socktype = SOCK_STREAM; | |
1031 | hints.ai_protocol = IPPROTO_TCP; | |
1032 | ||
1033 | imap_info("Resolving %s... ", srvc->host); | |
1034 | gai = getaddrinfo(srvc->host, portstr, &hints, &ai); | |
1035 | if (gai) { | |
1036 | fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(gai)); | |
1037 | goto bail; | |
1038 | } | |
1039 | imap_info("ok\n"); | |
1040 | ||
1041 | for (ai0 = ai; ai; ai = ai->ai_next) { | |
1042 | char addr[NI_MAXHOST]; | |
1043 | ||
1044 | s = socket(ai->ai_family, ai->ai_socktype, | |
1045 | ai->ai_protocol); | |
1046 | if (s < 0) | |
1047 | continue; | |
1048 | ||
1049 | getnameinfo(ai->ai_addr, ai->ai_addrlen, addr, | |
1050 | sizeof(addr), NULL, 0, NI_NUMERICHOST); | |
1051 | imap_info("Connecting to [%s]:%s... ", addr, portstr); | |
1052 | ||
1053 | if (connect(s, ai->ai_addr, ai->ai_addrlen) < 0) { | |
1054 | close(s); | |
1055 | s = -1; | |
1056 | perror("connect"); | |
1057 | continue; | |
1058 | } | |
1059 | ||
1060 | break; | |
1061 | } | |
1062 | freeaddrinfo(ai0); | |
1063 | #else /* NO_IPV6 */ | |
1064 | struct hostent *he; | |
1065 | struct sockaddr_in addr; | |
1066 | ||
95c53908 RS |
1067 | memset(&addr, 0, sizeof(addr)); |
1068 | addr.sin_port = htons(srvc->port); | |
f2561fda MM |
1069 | addr.sin_family = AF_INET; |
1070 | ||
95c53908 RS |
1071 | imap_info("Resolving %s... ", srvc->host); |
1072 | he = gethostbyname(srvc->host); | |
f2561fda | 1073 | if (!he) { |
95c53908 | 1074 | perror("gethostbyname"); |
f2561fda MM |
1075 | goto bail; |
1076 | } | |
95c53908 | 1077 | imap_info("ok\n"); |
f2561fda MM |
1078 | |
1079 | addr.sin_addr.s_addr = *((int *) he->h_addr_list[0]); | |
1080 | ||
95c53908 | 1081 | s = socket(PF_INET, SOCK_STREAM, 0); |
f2561fda | 1082 | |
95c53908 RS |
1083 | imap_info("Connecting to %s:%hu... ", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port)); |
1084 | if (connect(s, (struct sockaddr *)&addr, sizeof(addr))) { | |
1085 | close(s); | |
94ad2437 | 1086 | s = -1; |
95c53908 | 1087 | perror("connect"); |
94ad2437 BK |
1088 | } |
1089 | #endif | |
1090 | if (s < 0) { | |
1091 | fputs("Error: unable to connect to server.\n", stderr); | |
f2561fda MM |
1092 | goto bail; |
1093 | } | |
f2561fda MM |
1094 | |
1095 | imap->buf.sock.fd = s; | |
1096 | ||
684ec6c6 RS |
1097 | if (srvc->use_ssl && |
1098 | ssl_socket_connect(&imap->buf.sock, 0, srvc->ssl_verify)) { | |
1099 | close(s); | |
1100 | goto bail; | |
1101 | } | |
95c53908 | 1102 | imap_info("ok\n"); |
f2561fda MM |
1103 | } |
1104 | ||
1105 | /* read the greeting string */ | |
95c53908 RS |
1106 | if (buffer_gets(&imap->buf, &rsp)) { |
1107 | fprintf(stderr, "IMAP error: no greeting response\n"); | |
f2561fda MM |
1108 | goto bail; |
1109 | } | |
95c53908 RS |
1110 | arg = next_arg(&rsp); |
1111 | if (!arg || *arg != '*' || (arg = next_arg(&rsp)) == NULL) { | |
1112 | fprintf(stderr, "IMAP error: invalid greeting response\n"); | |
f2561fda MM |
1113 | goto bail; |
1114 | } | |
1115 | preauth = 0; | |
95c53908 | 1116 | if (!strcmp("PREAUTH", arg)) |
f2561fda | 1117 | preauth = 1; |
95c53908 RS |
1118 | else if (strcmp("OK", arg) != 0) { |
1119 | fprintf(stderr, "IMAP error: unknown greeting response\n"); | |
f2561fda MM |
1120 | goto bail; |
1121 | } | |
95c53908 RS |
1122 | parse_response_code(ctx, NULL, rsp); |
1123 | if (!imap->caps && imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK) | |
f2561fda MM |
1124 | goto bail; |
1125 | ||
1126 | if (!preauth) { | |
684ec6c6 RS |
1127 | #ifndef NO_OPENSSL |
1128 | if (!srvc->use_ssl && CAP(STARTTLS)) { | |
1129 | if (imap_exec(ctx, 0, "STARTTLS") != RESP_OK) | |
1130 | goto bail; | |
1131 | if (ssl_socket_connect(&imap->buf.sock, 1, | |
1132 | srvc->ssl_verify)) | |
1133 | goto bail; | |
1134 | /* capabilities may have changed, so get the new capabilities */ | |
1135 | if (imap_exec(ctx, 0, "CAPABILITY") != RESP_OK) | |
1136 | goto bail; | |
1137 | } | |
1138 | #endif | |
95c53908 | 1139 | imap_info("Logging in...\n"); |
f2561fda | 1140 | if (!srvc->user) { |
95c53908 | 1141 | fprintf(stderr, "Skipping server %s, no user\n", srvc->host); |
f2561fda MM |
1142 | goto bail; |
1143 | } | |
1144 | if (!srvc->pass) { | |
1145 | char prompt[80]; | |
95c53908 RS |
1146 | sprintf(prompt, "Password (%s@%s): ", srvc->user, srvc->host); |
1147 | arg = getpass(prompt); | |
f2561fda | 1148 | if (!arg) { |
95c53908 RS |
1149 | perror("getpass"); |
1150 | exit(1); | |
f2561fda MM |
1151 | } |
1152 | if (!*arg) { | |
95c53908 | 1153 | fprintf(stderr, "Skipping account %s@%s, no password\n", srvc->user, srvc->host); |
f2561fda MM |
1154 | goto bail; |
1155 | } | |
1156 | /* | |
1157 | * getpass() returns a pointer to a static buffer. make a copy | |
1158 | * for long term storage. | |
1159 | */ | |
95c53908 | 1160 | srvc->pass = xstrdup(arg); |
f2561fda MM |
1161 | } |
1162 | if (CAP(NOLOGIN)) { | |
95c53908 | 1163 | fprintf(stderr, "Skipping account %s@%s, server forbids LOGIN\n", srvc->user, srvc->host); |
f2561fda MM |
1164 | goto bail; |
1165 | } | |
684ec6c6 | 1166 | if (!imap->buf.sock.ssl) |
9f1ad541 JH |
1167 | imap_warn("*** IMAP Warning *** Password is being " |
1168 | "sent in the clear\n"); | |
95c53908 RS |
1169 | if (imap_exec(ctx, NULL, "LOGIN \"%s\" \"%s\"", srvc->user, srvc->pass) != RESP_OK) { |
1170 | fprintf(stderr, "IMAP error: LOGIN failed\n"); | |
f2561fda MM |
1171 | goto bail; |
1172 | } | |
1173 | } /* !preauth */ | |
1174 | ||
1175 | ctx->prefix = ""; | |
1176 | ctx->trashnc = 1; | |
9f1ad541 | 1177 | return (struct store *)ctx; |
f2561fda | 1178 | |
9f1ad541 | 1179 | bail: |
95c53908 | 1180 | imap_close_store(&ctx->gen); |
5142db69 | 1181 | return NULL; |
f2561fda MM |
1182 | } |
1183 | ||
95c53908 | 1184 | static int imap_make_flags(int flags, char *buf) |
f2561fda MM |
1185 | { |
1186 | const char *s; | |
1187 | unsigned i, d; | |
1188 | ||
1189 | for (i = d = 0; i < ARRAY_SIZE(Flags); i++) | |
1190 | if (flags & (1 << i)) { | |
1191 | buf[d++] = ' '; | |
1192 | buf[d++] = '\\'; | |
1193 | for (s = Flags[i]; *s; s++) | |
1194 | buf[d++] = *s; | |
1195 | } | |
1196 | buf[0] = '('; | |
1197 | buf[d++] = ')'; | |
1198 | return d; | |
1199 | } | |
1200 | ||
1201 | #define TUIDL 8 | |
1202 | ||
9f1ad541 | 1203 | static int imap_store_msg(struct store *gctx, struct msg_data *data, int *uid) |
f2561fda | 1204 | { |
9f1ad541 JH |
1205 | struct imap_store *ctx = (struct imap_store *)gctx; |
1206 | struct imap *imap = ctx->imap; | |
f2561fda MM |
1207 | struct imap_cmd_cb cb; |
1208 | char *fmap, *buf; | |
1209 | const char *prefix, *box; | |
1210 | int ret, i, j, d, len, extra, nocr; | |
1211 | int start, sbreak = 0, ebreak = 0; | |
1212 | char flagstr[128], tuid[TUIDL * 2 + 1]; | |
1213 | ||
95c53908 | 1214 | memset(&cb, 0, sizeof(cb)); |
f2561fda MM |
1215 | |
1216 | fmap = data->data; | |
1217 | len = data->len; | |
1218 | nocr = !data->crlf; | |
1219 | extra = 0, i = 0; | |
1220 | if (!CAP(UIDPLUS) && uid) { | |
9f1ad541 | 1221 | nloop: |
f2561fda MM |
1222 | start = i; |
1223 | while (i < len) | |
1224 | if (fmap[i++] == '\n') { | |
1225 | extra += nocr; | |
1226 | if (i - 2 + nocr == start) { | |
1227 | sbreak = ebreak = i - 2 + nocr; | |
1228 | goto mktid; | |
1229 | } | |
95c53908 | 1230 | if (!memcmp(fmap + start, "X-TUID: ", 8)) { |
f2561fda MM |
1231 | extra -= (ebreak = i) - (sbreak = start) + nocr; |
1232 | goto mktid; | |
1233 | } | |
1234 | goto nloop; | |
1235 | } | |
1236 | /* invalid message */ | |
95c53908 | 1237 | free(fmap); |
f2561fda | 1238 | return DRV_MSG_BAD; |
9f1ad541 | 1239 | mktid: |
f2561fda | 1240 | for (j = 0; j < TUIDL; j++) |
95c53908 | 1241 | sprintf(tuid + j * 2, "%02x", arc4_getbyte()); |
f2561fda MM |
1242 | extra += 8 + TUIDL * 2 + 2; |
1243 | } | |
1244 | if (nocr) | |
1245 | for (; i < len; i++) | |
1246 | if (fmap[i] == '\n') | |
1247 | extra++; | |
1248 | ||
1249 | cb.dlen = len + extra; | |
95c53908 | 1250 | buf = cb.data = xmalloc(cb.dlen); |
f2561fda MM |
1251 | i = 0; |
1252 | if (!CAP(UIDPLUS) && uid) { | |
1253 | if (nocr) { | |
1254 | for (; i < sbreak; i++) | |
1255 | if (fmap[i] == '\n') { | |
1256 | *buf++ = '\r'; | |
1257 | *buf++ = '\n'; | |
1258 | } else | |
1259 | *buf++ = fmap[i]; | |
1260 | } else { | |
95c53908 | 1261 | memcpy(buf, fmap, sbreak); |
f2561fda MM |
1262 | buf += sbreak; |
1263 | } | |
95c53908 | 1264 | memcpy(buf, "X-TUID: ", 8); |
f2561fda | 1265 | buf += 8; |
95c53908 | 1266 | memcpy(buf, tuid, TUIDL * 2); |
f2561fda MM |
1267 | buf += TUIDL * 2; |
1268 | *buf++ = '\r'; | |
1269 | *buf++ = '\n'; | |
1270 | i = ebreak; | |
1271 | } | |
1272 | if (nocr) { | |
1273 | for (; i < len; i++) | |
1274 | if (fmap[i] == '\n') { | |
1275 | *buf++ = '\r'; | |
1276 | *buf++ = '\n'; | |
1277 | } else | |
1278 | *buf++ = fmap[i]; | |
1279 | } else | |
95c53908 | 1280 | memcpy(buf, fmap + i, len - i); |
f2561fda | 1281 | |
95c53908 | 1282 | free(fmap); |
f2561fda MM |
1283 | |
1284 | d = 0; | |
1285 | if (data->flags) { | |
95c53908 | 1286 | d = imap_make_flags(data->flags, flagstr); |
f2561fda MM |
1287 | flagstr[d++] = ' '; |
1288 | } | |
1289 | flagstr[d] = 0; | |
1290 | ||
1291 | if (!uid) { | |
1292 | box = gctx->conf->trash; | |
1293 | prefix = ctx->prefix; | |
1294 | cb.create = 1; | |
1295 | if (ctx->trashnc) | |
1296 | imap->caps = imap->rcaps & ~(1 << LITERALPLUS); | |
1297 | } else { | |
1298 | box = gctx->name; | |
95c53908 | 1299 | prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix; |
f2561fda MM |
1300 | cb.create = 0; |
1301 | } | |
1302 | cb.ctx = uid; | |
95c53908 | 1303 | ret = imap_exec_m(ctx, &cb, "APPEND \"%s%s\" %s", prefix, box, flagstr); |
f2561fda MM |
1304 | imap->caps = imap->rcaps; |
1305 | if (ret != DRV_OK) | |
1306 | return ret; | |
1307 | if (!uid) | |
1308 | ctx->trashnc = 0; | |
1309 | else | |
1310 | gctx->count++; | |
1311 | ||
1312 | return DRV_OK; | |
1313 | } | |
1314 | ||
c64d84f1 JW |
1315 | static void encode_html_chars(struct strbuf *p) |
1316 | { | |
1317 | int i; | |
1318 | for (i = 0; i < p->len; i++) { | |
1319 | if (p->buf[i] == '&') | |
1320 | strbuf_splice(p, i, 1, "&", 5); | |
1321 | if (p->buf[i] == '<') | |
1322 | strbuf_splice(p, i, 1, "<", 4); | |
1323 | if (p->buf[i] == '>') | |
1324 | strbuf_splice(p, i, 1, ">", 4); | |
1325 | if (p->buf[i] == '"') | |
1326 | strbuf_splice(p, i, 1, """, 6); | |
1327 | } | |
1328 | } | |
1329 | static void wrap_in_html(struct msg_data *msg) | |
1330 | { | |
1331 | struct strbuf buf = STRBUF_INIT; | |
1332 | struct strbuf **lines; | |
1333 | struct strbuf **p; | |
1334 | static char *content_type = "Content-Type: text/html;\n"; | |
1335 | static char *pre_open = "<pre>\n"; | |
1336 | static char *pre_close = "</pre>\n"; | |
1337 | int added_header = 0; | |
1338 | ||
1339 | strbuf_attach(&buf, msg->data, msg->len, msg->len); | |
1340 | lines = strbuf_split(&buf, '\n'); | |
1341 | strbuf_release(&buf); | |
1342 | for (p = lines; *p; p++) { | |
1343 | if (! added_header) { | |
1344 | if ((*p)->len == 1 && *((*p)->buf) == '\n') { | |
1345 | strbuf_addstr(&buf, content_type); | |
1346 | strbuf_addbuf(&buf, *p); | |
1347 | strbuf_addstr(&buf, pre_open); | |
1348 | added_header = 1; | |
1349 | continue; | |
1350 | } | |
1351 | } | |
1352 | else | |
1353 | encode_html_chars(*p); | |
1354 | strbuf_addbuf(&buf, *p); | |
1355 | } | |
1356 | strbuf_addstr(&buf, pre_close); | |
1357 | strbuf_list_free(lines); | |
1358 | msg->len = buf.len; | |
1359 | msg->data = strbuf_detach(&buf, NULL); | |
1360 | } | |
1361 | ||
f2561fda MM |
1362 | #define CHUNKSIZE 0x1000 |
1363 | ||
9f1ad541 | 1364 | static int read_message(FILE *f, struct msg_data *msg) |
f2561fda | 1365 | { |
f285a2d7 | 1366 | struct strbuf buf = STRBUF_INIT; |
f2561fda | 1367 | |
635d043f | 1368 | memset(msg, 0, sizeof(*msg)); |
635d043f PH |
1369 | |
1370 | do { | |
1371 | if (strbuf_fread(&buf, CHUNKSIZE, f) <= 0) | |
f2561fda | 1372 | break; |
635d043f PH |
1373 | } while (!feof(f)); |
1374 | ||
1375 | msg->len = buf.len; | |
b315c5c0 | 1376 | msg->data = strbuf_detach(&buf, NULL); |
f2561fda MM |
1377 | return msg->len; |
1378 | } | |
1379 | ||
9f1ad541 | 1380 | static int count_messages(struct msg_data *msg) |
f2561fda MM |
1381 | { |
1382 | int count = 0; | |
1383 | char *p = msg->data; | |
1384 | ||
1385 | while (1) { | |
1968d77d | 1386 | if (!prefixcmp(p, "From ")) { |
f2561fda MM |
1387 | count++; |
1388 | p += 5; | |
1389 | } | |
95c53908 | 1390 | p = strstr(p+5, "\nFrom "); |
f2561fda MM |
1391 | if (!p) |
1392 | break; | |
1393 | p++; | |
1394 | } | |
1395 | return count; | |
1396 | } | |
1397 | ||
9f1ad541 | 1398 | static int split_msg(struct msg_data *all_msgs, struct msg_data *msg, int *ofs) |
f2561fda MM |
1399 | { |
1400 | char *p, *data; | |
1401 | ||
95c53908 | 1402 | memset(msg, 0, sizeof *msg); |
f2561fda MM |
1403 | if (*ofs >= all_msgs->len) |
1404 | return 0; | |
1405 | ||
95c53908 | 1406 | data = &all_msgs->data[*ofs]; |
f2561fda MM |
1407 | msg->len = all_msgs->len - *ofs; |
1408 | ||
1968d77d | 1409 | if (msg->len < 5 || prefixcmp(data, "From ")) |
f2561fda MM |
1410 | return 0; |
1411 | ||
95c53908 | 1412 | p = strchr(data, '\n'); |
e0b08307 MA |
1413 | if (p) { |
1414 | p = &p[1]; | |
1415 | msg->len -= p-data; | |
1416 | *ofs += p-data; | |
1417 | data = p; | |
1418 | } | |
1419 | ||
95c53908 | 1420 | p = strstr(data, "\nFrom "); |
f2561fda MM |
1421 | if (p) |
1422 | msg->len = &p[1] - data; | |
1423 | ||
182af834 | 1424 | msg->data = xmemdupz(data, msg->len); |
f2561fda | 1425 | *ofs += msg->len; |
a6080a0a | 1426 | return 1; |
f2561fda MM |
1427 | } |
1428 | ||
9f1ad541 | 1429 | static struct imap_server_conf server = { |
f2561fda MM |
1430 | NULL, /* name */ |
1431 | NULL, /* tunnel */ | |
1432 | NULL, /* host */ | |
1433 | 0, /* port */ | |
1434 | NULL, /* user */ | |
1435 | NULL, /* pass */ | |
684ec6c6 RS |
1436 | 0, /* use_ssl */ |
1437 | 1, /* ssl_verify */ | |
c64d84f1 | 1438 | 0, /* use_html */ |
f2561fda MM |
1439 | }; |
1440 | ||
1441 | static char *imap_folder; | |
1442 | ||
95c53908 | 1443 | static int git_imap_config(const char *key, const char *val, void *cb) |
f2561fda MM |
1444 | { |
1445 | char imap_key[] = "imap."; | |
1446 | ||
95c53908 | 1447 | if (strncmp(key, imap_key, sizeof imap_key - 1)) |
f2561fda | 1448 | return 0; |
3c17c34a JH |
1449 | |
1450 | if (!val) | |
1451 | return config_error_nonbool(key); | |
1452 | ||
f2561fda MM |
1453 | key += sizeof imap_key - 1; |
1454 | ||
95c53908 RS |
1455 | if (!strcmp("folder", key)) { |
1456 | imap_folder = xstrdup(val); | |
1457 | } else if (!strcmp("host", key)) { | |
684ec6c6 RS |
1458 | if (!prefixcmp(val, "imap:")) |
1459 | val += 5; | |
1460 | else if (!prefixcmp(val, "imaps:")) { | |
1461 | val += 6; | |
1462 | server.use_ssl = 1; | |
f2561fda | 1463 | } |
1968d77d | 1464 | if (!prefixcmp(val, "//")) |
f2561fda | 1465 | val += 2; |
95c53908 | 1466 | server.host = xstrdup(val); |
9f1ad541 | 1467 | } else if (!strcmp("user", key)) |
95c53908 RS |
1468 | server.user = xstrdup(val); |
1469 | else if (!strcmp("pass", key)) | |
1470 | server.pass = xstrdup(val); | |
1471 | else if (!strcmp("port", key)) | |
1472 | server.port = git_config_int(key, val); | |
1473 | else if (!strcmp("tunnel", key)) | |
1474 | server.tunnel = xstrdup(val); | |
1475 | else if (!strcmp("sslverify", key)) | |
1476 | server.ssl_verify = git_config_bool(key, val); | |
c64d84f1 JW |
1477 | else if (!strcmp("preformattedHTML", key)) |
1478 | server.use_html = git_config_bool(key, val); | |
f2561fda MM |
1479 | return 0; |
1480 | } | |
1481 | ||
95c53908 | 1482 | int main(int argc, char **argv) |
f2561fda | 1483 | { |
9f1ad541 JH |
1484 | struct msg_data all_msgs, msg; |
1485 | struct store *ctx = NULL; | |
f2561fda MM |
1486 | int uid = 0; |
1487 | int ofs = 0; | |
1488 | int r; | |
1489 | int total, n = 0; | |
a0406b94 | 1490 | int nongit_ok; |
f2561fda | 1491 | |
2fb3f6db SP |
1492 | git_extract_argv0_path(argv[0]); |
1493 | ||
f2561fda MM |
1494 | /* init the random number generator */ |
1495 | arc4_init(); | |
1496 | ||
a0406b94 | 1497 | setup_git_directory_gently(&nongit_ok); |
ef90d6d4 | 1498 | git_config(git_imap_config, NULL); |
f2561fda | 1499 | |
684ec6c6 RS |
1500 | if (!server.port) |
1501 | server.port = server.use_ssl ? 993 : 143; | |
1502 | ||
f2561fda | 1503 | if (!imap_folder) { |
95c53908 | 1504 | fprintf(stderr, "no imap store specified\n"); |
f2561fda MM |
1505 | return 1; |
1506 | } | |
5b67b8e2 | 1507 | if (!server.host) { |
34b5cd1f | 1508 | if (!server.tunnel) { |
95c53908 | 1509 | fprintf(stderr, "no imap host specified\n"); |
34b5cd1f JK |
1510 | return 1; |
1511 | } | |
1512 | server.host = "tunnel"; | |
5b67b8e2 | 1513 | } |
f2561fda MM |
1514 | |
1515 | /* read the messages */ | |
95c53908 | 1516 | if (!read_message(stdin, &all_msgs)) { |
9f1ad541 | 1517 | fprintf(stderr, "nothing to send\n"); |
f2561fda MM |
1518 | return 1; |
1519 | } | |
1520 | ||
95c53908 | 1521 | total = count_messages(&all_msgs); |
1cd88cc9 | 1522 | if (!total) { |
9f1ad541 | 1523 | fprintf(stderr, "no messages to send\n"); |
1cd88cc9 MM |
1524 | return 1; |
1525 | } | |
1526 | ||
f2561fda | 1527 | /* write it to the imap server */ |
95c53908 | 1528 | ctx = imap_open_store(&server); |
f2561fda | 1529 | if (!ctx) { |
9f1ad541 | 1530 | fprintf(stderr, "failed to open store\n"); |
f2561fda MM |
1531 | return 1; |
1532 | } | |
1533 | ||
9f1ad541 | 1534 | fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : ""); |
f2561fda MM |
1535 | ctx->name = imap_folder; |
1536 | while (1) { | |
1537 | unsigned percent = n * 100 / total; | |
95c53908 RS |
1538 | fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total); |
1539 | if (!split_msg(&all_msgs, &msg, &ofs)) | |
f2561fda | 1540 | break; |
c64d84f1 JW |
1541 | if (server.use_html) |
1542 | wrap_in_html(&msg); | |
95c53908 | 1543 | r = imap_store_msg(ctx, &msg, &uid); |
9f1ad541 JH |
1544 | if (r != DRV_OK) |
1545 | break; | |
f2561fda MM |
1546 | n++; |
1547 | } | |
95c53908 | 1548 | fprintf(stderr, "\n"); |
f2561fda | 1549 | |
95c53908 | 1550 | imap_close_store(ctx); |
f2561fda MM |
1551 | |
1552 | return 0; | |
1553 | } |