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Check the format of more printf-type functions
[git/jnareb-git.git] / imap-send.c
blob57a3c65dda00ac5b04386978988b668be0815543
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"
26 #include "exec_cmd.h"
27 #ifdef NO_OPENSSL
28 typedef void *SSL;
29 #endif
30
31 struct store_conf {
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;
38 };
39
40 struct string_list {
41 struct string_list *next;
42 char string[1];
43 };
44
45 struct channel_conf {
46 struct channel_conf *next;
47 char *name;
48 struct store_conf *master, *slave;
49 char *master_name, *slave_name;
50 char *sync_state;
51 struct string_list *patterns;
52 int mops, sops;
53 unsigned max_messages; /* for slave only */
54 };
55
56 struct group_conf {
57 struct group_conf *next;
58 char *name;
59 struct string_list *channels;
60 };
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
67 struct message {
68 struct message *next;
69 /* struct string_list *keywords; */
70 size_t size; /* zero implies "not fetched" */
71 int uid;
72 unsigned char flags, status;
73 };
74
75 struct store {
76 struct store_conf *conf; /* foreign */
77
78 /* currently open mailbox */
79 const char *name; /* foreign! maybe preset? */
80 char *path; /* own */
81 struct message *msgs; /* own */
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 */
87 };
88
89 struct msg_data {
90 char *data;
91 int len;
92 unsigned char flags;
93 unsigned int crlf:1;
94 };
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
103 __attribute__((format (printf, 1, 2)))
104 static void imap_info(const char *, ...);
105 __attribute__((format (printf, 1, 2)))
106 static void imap_warn(const char *, ...);
107
108 static char *next_arg(char **);
109
110 static void free_generic_messages(struct message *);
111
112 __attribute__((format (printf, 3, 4)))
113 static int nfsnprintf(char *buf, int blen, const char *fmt, ...);
114
115 static int nfvasprintf(char **strp, const char *fmt, va_list ap)
116 {
117 int len;
118 char tmp[8192];
119
120 len = vsnprintf(tmp, sizeof(tmp), fmt, ap);
121 if (len < 0)
122 die("Fatal: Out of memory");
123 if (len >= sizeof(tmp))
124 die("imap command overflow!");
125 *strp = xmemdupz(tmp, len);
126 return len;
127 }
128
129 static void arc4_init(void);
130 static unsigned char arc4_getbyte(void);
131
132 struct imap_server_conf {
133 char *name;
134 char *tunnel;
135 char *host;
136 int port;
137 char *user;
138 char *pass;
139 int use_ssl;
140 int ssl_verify;
141 int use_html;
142 };
143
144 struct imap_store_conf {
145 struct store_conf gen;
146 struct imap_server_conf *server;
147 unsigned use_namespace:1;
148 };
149
150 #define NIL (void *)0x1
151 #define LIST (void *)0x2
152
153 struct imap_list {
154 struct imap_list *next, *child;
155 char *val;
156 int len;
157 };
158
159 struct imap_socket {
160 int fd;
161 SSL *ssl;
162 };
163
164 struct imap_buffer {
165 struct imap_socket sock;
166 int bytes;
167 int offset;
168 char buf[1024];
169 };
170
171 struct imap_cmd;
172
173 struct imap {
174 int uidnext; /* from SELECT responses */
175 struct imap_list *ns_personal, *ns_other, *ns_shared; /* NAMESPACE info */
176 unsigned caps, rcaps; /* CAPABILITY results */
177 /* command queue */
178 int nexttag, num_in_progress, literal_pending;
179 struct imap_cmd *in_progress, **in_progress_append;
180 struct imap_buffer buf; /* this is BIG, so put it last */
181 };
182
183 struct imap_store {
184 struct store gen;
185 int uidvalidity;
186 struct imap *imap;
187 const char *prefix;
188 unsigned /*currentnc:1,*/ trashnc:1;
189 };
190
191 struct imap_cmd_cb {
192 int (*cont)(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt);
193 void (*done)(struct imap_store *ctx, struct imap_cmd *cmd, int response);
194 void *ctx;
195 char *data;
196 int dlen;
197 int uid;
198 unsigned create:1, trycreate:1;
199 };
200
201 struct imap_cmd {
202 struct imap_cmd *next;
203 struct imap_cmd_cb cb;
204 char *cmd;
205 int tag;
206 };
207
208 #define CAP(cap) (imap->caps & (1 << (cap)))
209
210 enum CAPABILITY {
211 NOLOGIN = 0,
212 UIDPLUS,
213 LITERALPLUS,
214 NAMESPACE,
215 STARTTLS,
216 };
217
218 static const char *cap_list[] = {
219 "LOGINDISABLED",
220 "UIDPLUS",
221 "LITERAL+",
222 "NAMESPACE",
223 "STARTTLS",
224 };
225
226 #define RESP_OK 0
227 #define RESP_NO 1
228 #define RESP_BAD 2
229
230 static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd);
231
232
233 static const char *Flags[] = {
234 "Draft",
235 "Flagged",
236 "Answered",
237 "Seen",
238 "Deleted",
239 };
240
241 #ifndef NO_OPENSSL
242 static void ssl_socket_perror(const char *func)
243 {
244 fprintf(stderr, "%s: %s\n", func, ERR_error_string(ERR_get_error(), NULL));
245 }
246 #endif
247
248 static void socket_perror(const char *func, struct imap_socket *sock, int ret)
249 {
250 #ifndef NO_OPENSSL
251 if (sock->ssl) {
252 int sslerr = SSL_get_error(sock->ssl, ret);
253 switch (sslerr) {
254 case SSL_ERROR_NONE:
255 break;
256 case SSL_ERROR_SYSCALL:
257 perror("SSL_connect");
258 break;
259 default:
260 ssl_socket_perror("SSL_connect");
261 break;
262 }
263 } else
264 #endif
265 {
266 if (ret < 0)
267 perror(func);
268 else
269 fprintf(stderr, "%s: unexpected EOF\n", func);
270 }
271 }
272
273 static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int verify)
274 {
275 #ifdef NO_OPENSSL
276 fprintf(stderr, "SSL requested but SSL support not compiled in\n");
277 return -1;
278 #else
279 #if (OPENSSL_VERSION_NUMBER >= 0x10000000L)
280 const SSL_METHOD *meth;
281 #else
282 SSL_METHOD *meth;
283 #endif
284 SSL_CTX *ctx;
285 int ret;
286
287 SSL_library_init();
288 SSL_load_error_strings();
289
290 if (use_tls_only)
291 meth = TLSv1_method();
292 else
293 meth = SSLv23_method();
294
295 if (!meth) {
296 ssl_socket_perror("SSLv23_method");
297 return -1;
298 }
299
300 ctx = SSL_CTX_new(meth);
301
302 if (verify)
303 SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
304
305 if (!SSL_CTX_set_default_verify_paths(ctx)) {
306 ssl_socket_perror("SSL_CTX_set_default_verify_paths");
307 return -1;
308 }
309 sock->ssl = SSL_new(ctx);
310 if (!sock->ssl) {
311 ssl_socket_perror("SSL_new");
312 return -1;
313 }
314 if (!SSL_set_fd(sock->ssl, sock->fd)) {
315 ssl_socket_perror("SSL_set_fd");
316 return -1;
317 }
318
319 ret = SSL_connect(sock->ssl);
320 if (ret <= 0) {
321 socket_perror("SSL_connect", sock, ret);
322 return -1;
323 }
324
325 return 0;
326 #endif
327 }
328
329 static int socket_read(struct imap_socket *sock, char *buf, int len)
330 {
331 ssize_t n;
332 #ifndef NO_OPENSSL
333 if (sock->ssl)
334 n = SSL_read(sock->ssl, buf, len);
335 else
336 #endif
337 n = xread(sock->fd, buf, len);
338 if (n <= 0) {
339 socket_perror("read", sock, n);
340 close(sock->fd);
341 sock->fd = -1;
342 }
343 return n;
344 }
345
346 static int socket_write(struct imap_socket *sock, const char *buf, int len)
347 {
348 int n;
349 #ifndef NO_OPENSSL
350 if (sock->ssl)
351 n = SSL_write(sock->ssl, buf, len);
352 else
353 #endif
354 n = write_in_full(sock->fd, buf, len);
355 if (n != len) {
356 socket_perror("write", sock, n);
357 close(sock->fd);
358 sock->fd = -1;
359 }
360 return n;
361 }
362
363 static void socket_shutdown(struct imap_socket *sock)
364 {
365 #ifndef NO_OPENSSL
366 if (sock->ssl) {
367 SSL_shutdown(sock->ssl);
368 SSL_free(sock->ssl);
369 }
370 #endif
371 close(sock->fd);
372 }
373
374 /* simple line buffering */
375 static int buffer_gets(struct imap_buffer *b, char **s)
376 {
377 int n;
378 int start = b->offset;
379
380 *s = b->buf + start;
381
382 for (;;) {
383 /* make sure we have enough data to read the \r\n sequence */
384 if (b->offset + 1 >= b->bytes) {
385 if (start) {
386 /* shift down used bytes */
387 *s = b->buf;
388
389 assert(start <= b->bytes);
390 n = b->bytes - start;
391
392 if (n)
393 memmove(b->buf, b->buf + start, n);
394 b->offset -= start;
395 b->bytes = n;
396 start = 0;
397 }
398
399 n = socket_read(&b->sock, b->buf + b->bytes,
400 sizeof(b->buf) - b->bytes);
401
402 if (n <= 0)
403 return -1;
404
405 b->bytes += n;
406 }
407
408 if (b->buf[b->offset] == '\r') {
409 assert(b->offset + 1 < b->bytes);
410 if (b->buf[b->offset + 1] == '\n') {
411 b->buf[b->offset] = 0; /* terminate the string */
412 b->offset += 2; /* next line */
413 if (Verbose)
414 puts(*s);
415 return 0;
416 }
417 }
418
419 b->offset++;
420 }
421 /* not reached */
422 }
423
424 static void imap_info(const char *msg, ...)
425 {
426 va_list va;
427
428 if (!Quiet) {
429 va_start(va, msg);
430 vprintf(msg, va);
431 va_end(va);
432 fflush(stdout);
433 }
434 }
435
436 static void imap_warn(const char *msg, ...)
437 {
438 va_list va;
439
440 if (Quiet < 2) {
441 va_start(va, msg);
442 vfprintf(stderr, msg, va);
443 va_end(va);
444 }
445 }
446
447 static char *next_arg(char **s)
448 {
449 char *ret;
450
451 if (!s || !*s)
452 return NULL;
453 while (isspace((unsigned char) **s))
454 (*s)++;
455 if (!**s) {
456 *s = NULL;
457 return NULL;
458 }
459 if (**s == '"') {
460 ++*s;
461 ret = *s;
462 *s = strchr(*s, '"');
463 } else {
464 ret = *s;
465 while (**s && !isspace((unsigned char) **s))
466 (*s)++;
467 }
468 if (*s) {
469 if (**s)
470 *(*s)++ = 0;
471 if (!**s)
472 *s = NULL;
473 }
474 return ret;
475 }
476
477 static void free_generic_messages(struct message *msgs)
478 {
479 struct message *tmsg;
480
481 for (; msgs; msgs = tmsg) {
482 tmsg = msgs->next;
483 free(msgs);
484 }
485 }
486
487 static int nfsnprintf(char *buf, int blen, const char *fmt, ...)
488 {
489 int ret;
490 va_list va;
491
492 va_start(va, fmt);
493 if (blen <= 0 || (unsigned)(ret = vsnprintf(buf, blen, fmt, va)) >= (unsigned)blen)
494 die("Fatal: buffer too small. Please report a bug.");
495 va_end(va);
496 return ret;
497 }
498
499 static struct {
500 unsigned char i, j, s[256];
501 } rs;
502
503 static void arc4_init(void)
504 {
505 int i, fd;
506 unsigned char j, si, dat[128];
507
508 if ((fd = open("/dev/urandom", O_RDONLY)) < 0 && (fd = open("/dev/random", O_RDONLY)) < 0) {
509 fprintf(stderr, "Fatal: no random number source available.\n");
510 exit(3);
511 }
512 if (read_in_full(fd, dat, 128) != 128) {
513 fprintf(stderr, "Fatal: cannot read random number source.\n");
514 exit(3);
515 }
516 close(fd);
517
518 for (i = 0; i < 256; i++)
519 rs.s[i] = i;
520 for (i = j = 0; i < 256; i++) {
521 si = rs.s[i];
522 j += si + dat[i & 127];
523 rs.s[i] = rs.s[j];
524 rs.s[j] = si;
525 }
526 rs.i = rs.j = 0;
527
528 for (i = 0; i < 256; i++)
529 arc4_getbyte();
530 }
531
532 static unsigned char arc4_getbyte(void)
533 {
534 unsigned char si, sj;
535
536 rs.i++;
537 si = rs.s[rs.i];
538 rs.j += si;
539 sj = rs.s[rs.j];
540 rs.s[rs.i] = sj;
541 rs.s[rs.j] = si;
542 return rs.s[(si + sj) & 0xff];
543 }
544
545 static struct imap_cmd *v_issue_imap_cmd(struct imap_store *ctx,
546 struct imap_cmd_cb *cb,
547 const char *fmt, va_list ap)
548 {
549 struct imap *imap = ctx->imap;
550 struct imap_cmd *cmd;
551 int n, bufl;
552 char buf[1024];
553
554 cmd = xmalloc(sizeof(struct imap_cmd));
555 nfvasprintf(&cmd->cmd, fmt, ap);
556 cmd->tag = ++imap->nexttag;
557
558 if (cb)
559 cmd->cb = *cb;
560 else
561 memset(&cmd->cb, 0, sizeof(cmd->cb));
562
563 while (imap->literal_pending)
564 get_cmd_result(ctx, NULL);
565
566 bufl = nfsnprintf(buf, sizeof(buf), cmd->cb.data ? CAP(LITERALPLUS) ?
567 "%d %s{%d+}\r\n" : "%d %s{%d}\r\n" : "%d %s\r\n",
568 cmd->tag, cmd->cmd, cmd->cb.dlen);
569 if (Verbose) {
570 if (imap->num_in_progress)
571 printf("(%d in progress) ", imap->num_in_progress);
572 if (memcmp(cmd->cmd, "LOGIN", 5))
573 printf(">>> %s", buf);
574 else
575 printf(">>> %d LOGIN <user> <pass>\n", cmd->tag);
576 }
577 if (socket_write(&imap->buf.sock, buf, bufl) != bufl) {
578 free(cmd->cmd);
579 free(cmd);
580 if (cb)
581 free(cb->data);
582 return NULL;
583 }
584 if (cmd->cb.data) {
585 if (CAP(LITERALPLUS)) {
586 n = socket_write(&imap->buf.sock, cmd->cb.data, cmd->cb.dlen);
587 free(cmd->cb.data);
588 if (n != cmd->cb.dlen ||
589 socket_write(&imap->buf.sock, "\r\n", 2) != 2) {
590 free(cmd->cmd);
591 free(cmd);
592 return NULL;
593 }
594 cmd->cb.data = NULL;
595 } else
596 imap->literal_pending = 1;
597 } else if (cmd->cb.cont)
598 imap->literal_pending = 1;
599 cmd->next = NULL;
600 *imap->in_progress_append = cmd;
601 imap->in_progress_append = &cmd->next;
602 imap->num_in_progress++;
603 return cmd;
604 }
605
606 __attribute__((format (printf, 3, 4)))
607 static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx,
608 struct imap_cmd_cb *cb,
609 const char *fmt, ...)
610 {
611 struct imap_cmd *ret;
612 va_list ap;
613
614 va_start(ap, fmt);
615 ret = v_issue_imap_cmd(ctx, cb, fmt, ap);
616 va_end(ap);
617 return ret;
618 }
619
620 __attribute__((format (printf, 3, 4)))
621 static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb,
622 const char *fmt, ...)
623 {
624 va_list ap;
625 struct imap_cmd *cmdp;
626
627 va_start(ap, fmt);
628 cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
629 va_end(ap);
630 if (!cmdp)
631 return RESP_BAD;
632
633 return get_cmd_result(ctx, cmdp);
634 }
635
636 __attribute__((format (printf, 3, 4)))
637 static int imap_exec_m(struct imap_store *ctx, struct imap_cmd_cb *cb,
638 const char *fmt, ...)
639 {
640 va_list ap;
641 struct imap_cmd *cmdp;
642
643 va_start(ap, fmt);
644 cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
645 va_end(ap);
646 if (!cmdp)
647 return DRV_STORE_BAD;
648
649 switch (get_cmd_result(ctx, cmdp)) {
650 case RESP_BAD: return DRV_STORE_BAD;
651 case RESP_NO: return DRV_MSG_BAD;
652 default: return DRV_OK;
653 }
654 }
655
656 static int is_atom(struct imap_list *list)
657 {
658 return list && list->val && list->val != NIL && list->val != LIST;
659 }
660
661 static int is_list(struct imap_list *list)
662 {
663 return list && list->val == LIST;
664 }
665
666 static void free_list(struct imap_list *list)
667 {
668 struct imap_list *tmp;
669
670 for (; list; list = tmp) {
671 tmp = list->next;
672 if (is_list(list))
673 free_list(list->child);
674 else if (is_atom(list))
675 free(list->val);
676 free(list);
677 }
678 }
679
680 static int parse_imap_list_l(struct imap *imap, char **sp, struct imap_list **curp, int level)
681 {
682 struct imap_list *cur;
683 char *s = *sp, *p;
684 int n, bytes;
685
686 for (;;) {
687 while (isspace((unsigned char)*s))
688 s++;
689 if (level && *s == ')') {
690 s++;
691 break;
692 }
693 *curp = cur = xmalloc(sizeof(*cur));
694 curp = &cur->next;
695 cur->val = NULL; /* for clean bail */
696 if (*s == '(') {
697 /* sublist */
698 s++;
699 cur->val = LIST;
700 if (parse_imap_list_l(imap, &s, &cur->child, level + 1))
701 goto bail;
702 } else if (imap && *s == '{') {
703 /* literal */
704 bytes = cur->len = strtol(s + 1, &s, 10);
705 if (*s != '}')
706 goto bail;
707
708 s = cur->val = xmalloc(cur->len);
709
710 /* dump whats left over in the input buffer */
711 n = imap->buf.bytes - imap->buf.offset;
712
713 if (n > bytes)
714 /* the entire message fit in the buffer */
715 n = bytes;
716
717 memcpy(s, imap->buf.buf + imap->buf.offset, n);
718 s += n;
719 bytes -= n;
720
721 /* mark that we used part of the buffer */
722 imap->buf.offset += n;
723
724 /* now read the rest of the message */
725 while (bytes > 0) {
726 if ((n = socket_read(&imap->buf.sock, s, bytes)) <= 0)
727 goto bail;
728 s += n;
729 bytes -= n;
730 }
731
732 if (buffer_gets(&imap->buf, &s))
733 goto bail;
734 } else if (*s == '"') {
735 /* quoted string */
736 s++;
737 p = s;
738 for (; *s != '"'; s++)
739 if (!*s)
740 goto bail;
741 cur->len = s - p;
742 s++;
743 cur->val = xmemdupz(p, cur->len);
744 } else {
745 /* atom */
746 p = s;
747 for (; *s && !isspace((unsigned char)*s); s++)
748 if (level && *s == ')')
749 break;
750 cur->len = s - p;
751 if (cur->len == 3 && !memcmp("NIL", p, 3))
752 cur->val = NIL;
753 else
754 cur->val = xmemdupz(p, cur->len);
755 }
756
757 if (!level)
758 break;
759 if (!*s)
760 goto bail;
761 }
762 *sp = s;
763 *curp = NULL;
764 return 0;
765
766 bail:
767 *curp = NULL;
768 return -1;
769 }
770
771 static struct imap_list *parse_imap_list(struct imap *imap, char **sp)
772 {
773 struct imap_list *head;
774
775 if (!parse_imap_list_l(imap, sp, &head, 0))
776 return head;
777 free_list(head);
778 return NULL;
779 }
780
781 static struct imap_list *parse_list(char **sp)
782 {
783 return parse_imap_list(NULL, sp);
784 }
785
786 static void parse_capability(struct imap *imap, char *cmd)
787 {
788 char *arg;
789 unsigned i;
790
791 imap->caps = 0x80000000;
792 while ((arg = next_arg(&cmd)))
793 for (i = 0; i < ARRAY_SIZE(cap_list); i++)
794 if (!strcmp(cap_list[i], arg))
795 imap->caps |= 1 << i;
796 imap->rcaps = imap->caps;
797 }
798
799 static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb,
800 char *s)
801 {
802 struct imap *imap = ctx->imap;
803 char *arg, *p;
804
805 if (*s != '[')
806 return RESP_OK; /* no response code */
807 s++;
808 if (!(p = strchr(s, ']'))) {
809 fprintf(stderr, "IMAP error: malformed response code\n");
810 return RESP_BAD;
811 }
812 *p++ = 0;
813 arg = next_arg(&s);
814 if (!strcmp("UIDVALIDITY", arg)) {
815 if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg))) {
816 fprintf(stderr, "IMAP error: malformed UIDVALIDITY status\n");
817 return RESP_BAD;
818 }
819 } else if (!strcmp("UIDNEXT", arg)) {
820 if (!(arg = next_arg(&s)) || !(imap->uidnext = atoi(arg))) {
821 fprintf(stderr, "IMAP error: malformed NEXTUID status\n");
822 return RESP_BAD;
823 }
824 } else if (!strcmp("CAPABILITY", arg)) {
825 parse_capability(imap, s);
826 } else if (!strcmp("ALERT", arg)) {
827 /* RFC2060 says that these messages MUST be displayed
828 * to the user
829 */
830 for (; isspace((unsigned char)*p); p++);
831 fprintf(stderr, "*** IMAP ALERT *** %s\n", p);
832 } else if (cb && cb->ctx && !strcmp("APPENDUID", arg)) {
833 if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg)) ||
834 !(arg = next_arg(&s)) || !(*(int *)cb->ctx = atoi(arg))) {
835 fprintf(stderr, "IMAP error: malformed APPENDUID status\n");
836 return RESP_BAD;
837 }
838 }
839 return RESP_OK;
840 }
841
842 static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd)
843 {
844 struct imap *imap = ctx->imap;
845 struct imap_cmd *cmdp, **pcmdp, *ncmdp;
846 char *cmd, *arg, *arg1, *p;
847 int n, resp, resp2, tag;
848
849 for (;;) {
850 if (buffer_gets(&imap->buf, &cmd))
851 return RESP_BAD;
852
853 arg = next_arg(&cmd);
854 if (*arg == '*') {
855 arg = next_arg(&cmd);
856 if (!arg) {
857 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
858 return RESP_BAD;
859 }
860
861 if (!strcmp("NAMESPACE", arg)) {
862 imap->ns_personal = parse_list(&cmd);
863 imap->ns_other = parse_list(&cmd);
864 imap->ns_shared = parse_list(&cmd);
865 } else if (!strcmp("OK", arg) || !strcmp("BAD", arg) ||
866 !strcmp("NO", arg) || !strcmp("BYE", arg)) {
867 if ((resp = parse_response_code(ctx, NULL, cmd)) != RESP_OK)
868 return resp;
869 } else if (!strcmp("CAPABILITY", arg))
870 parse_capability(imap, cmd);
871 else if ((arg1 = next_arg(&cmd))) {
872 if (!strcmp("EXISTS", arg1))
873 ctx->gen.count = atoi(arg);
874 else if (!strcmp("RECENT", arg1))
875 ctx->gen.recent = atoi(arg);
876 } else {
877 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
878 return RESP_BAD;
879 }
880 } else if (!imap->in_progress) {
881 fprintf(stderr, "IMAP error: unexpected reply: %s %s\n", arg, cmd ? cmd : "");
882 return RESP_BAD;
883 } else if (*arg == '+') {
884 /* This can happen only with the last command underway, as
885 it enforces a round-trip. */
886 cmdp = (struct imap_cmd *)((char *)imap->in_progress_append -
887 offsetof(struct imap_cmd, next));
888 if (cmdp->cb.data) {
889 n = socket_write(&imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen);
890 free(cmdp->cb.data);
891 cmdp->cb.data = NULL;
892 if (n != (int)cmdp->cb.dlen)
893 return RESP_BAD;
894 } else if (cmdp->cb.cont) {
895 if (cmdp->cb.cont(ctx, cmdp, cmd))
896 return RESP_BAD;
897 } else {
898 fprintf(stderr, "IMAP error: unexpected command continuation request\n");
899 return RESP_BAD;
900 }
901 if (socket_write(&imap->buf.sock, "\r\n", 2) != 2)
902 return RESP_BAD;
903 if (!cmdp->cb.cont)
904 imap->literal_pending = 0;
905 if (!tcmd)
906 return DRV_OK;
907 } else {
908 tag = atoi(arg);
909 for (pcmdp = &imap->in_progress; (cmdp = *pcmdp); pcmdp = &cmdp->next)
910 if (cmdp->tag == tag)
911 goto gottag;
912 fprintf(stderr, "IMAP error: unexpected tag %s\n", arg);
913 return RESP_BAD;
914 gottag:
915 if (!(*pcmdp = cmdp->next))
916 imap->in_progress_append = pcmdp;
917 imap->num_in_progress--;
918 if (cmdp->cb.cont || cmdp->cb.data)
919 imap->literal_pending = 0;
920 arg = next_arg(&cmd);
921 if (!strcmp("OK", arg))
922 resp = DRV_OK;
923 else {
924 if (!strcmp("NO", arg)) {
925 if (cmdp->cb.create && cmd && (cmdp->cb.trycreate || !memcmp(cmd, "[TRYCREATE]", 11))) { /* SELECT, APPEND or UID COPY */
926 p = strchr(cmdp->cmd, '"');
927 if (!issue_imap_cmd(ctx, NULL, "CREATE \"%.*s\"", (int)(strchr(p + 1, '"') - p + 1), p)) {
928 resp = RESP_BAD;
929 goto normal;
930 }
931 /* not waiting here violates the spec, but a server that does not
932 grok this nonetheless violates it too. */
933 cmdp->cb.create = 0;
934 if (!(ncmdp = issue_imap_cmd(ctx, &cmdp->cb, "%s", cmdp->cmd))) {
935 resp = RESP_BAD;
936 goto normal;
937 }
938 free(cmdp->cmd);
939 free(cmdp);
940 if (!tcmd)
941 return 0; /* ignored */
942 if (cmdp == tcmd)
943 tcmd = ncmdp;
944 continue;
945 }
946 resp = RESP_NO;
947 } else /*if (!strcmp("BAD", arg))*/
948 resp = RESP_BAD;
949 fprintf(stderr, "IMAP command '%s' returned response (%s) - %s\n",
950 memcmp(cmdp->cmd, "LOGIN", 5) ?
951 cmdp->cmd : "LOGIN <user> <pass>",
952 arg, cmd ? cmd : "");
953 }
954 if ((resp2 = parse_response_code(ctx, &cmdp->cb, cmd)) > resp)
955 resp = resp2;
956 normal:
957 if (cmdp->cb.done)
958 cmdp->cb.done(ctx, cmdp, resp);
959 free(cmdp->cb.data);
960 free(cmdp->cmd);
961 free(cmdp);
962 if (!tcmd || tcmd == cmdp)
963 return resp;
964 }
965 }
966 /* not reached */
967 }
968
969 static void imap_close_server(struct imap_store *ictx)
970 {
971 struct imap *imap = ictx->imap;
972
973 if (imap->buf.sock.fd != -1) {
974 imap_exec(ictx, NULL, "LOGOUT");
975 socket_shutdown(&imap->buf.sock);
976 }
977 free_list(imap->ns_personal);
978 free_list(imap->ns_other);
979 free_list(imap->ns_shared);
980 free(imap);
981 }
982
983 static void imap_close_store(struct store *ctx)
984 {
985 imap_close_server((struct imap_store *)ctx);
986 free_generic_messages(ctx->msgs);
987 free(ctx);
988 }
989
990 static struct store *imap_open_store(struct imap_server_conf *srvc)
991 {
992 struct imap_store *ctx;
993 struct imap *imap;
994 char *arg, *rsp;
995 int s = -1, a[2], preauth;
996 pid_t pid;
997
998 ctx = xcalloc(sizeof(*ctx), 1);
999
1000 ctx->imap = imap = xcalloc(sizeof(*imap), 1);
1001 imap->buf.sock.fd = -1;
1002 imap->in_progress_append = &imap->in_progress;
1003
1004 /* open connection to IMAP server */
1005
1006 if (srvc->tunnel) {
1007 imap_info("Starting tunnel '%s'... ", srvc->tunnel);
1008
1009 if (socketpair(PF_UNIX, SOCK_STREAM, 0, a)) {
1010 perror("socketpair");
1011 exit(1);
1012 }
1013
1014 pid = fork();
1015 if (pid < 0)
1016 _exit(127);
1017 if (!pid) {
1018 if (dup2(a[0], 0) == -1 || dup2(a[0], 1) == -1)
1019 _exit(127);
1020 close(a[0]);
1021 close(a[1]);
1022 execl("/bin/sh", "sh", "-c", srvc->tunnel, NULL);
1023 _exit(127);
1024 }
1025
1026 close(a[0]);
1027
1028 imap->buf.sock.fd = a[1];
1029
1030 imap_info("ok\n");
1031 } else {
1032 #ifndef NO_IPV6
1033 struct addrinfo hints, *ai0, *ai;
1034 int gai;
1035 char portstr[6];
1036
1037 snprintf(portstr, sizeof(portstr), "%hu", srvc->port);
1038
1039 memset(&hints, 0, sizeof(hints));
1040 hints.ai_socktype = SOCK_STREAM;
1041 hints.ai_protocol = IPPROTO_TCP;
1042
1043 imap_info("Resolving %s... ", srvc->host);
1044 gai = getaddrinfo(srvc->host, portstr, &hints, &ai);
1045 if (gai) {
1046 fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(gai));
1047 goto bail;
1048 }
1049 imap_info("ok\n");
1050
1051 for (ai0 = ai; ai; ai = ai->ai_next) {
1052 char addr[NI_MAXHOST];
1053
1054 s = socket(ai->ai_family, ai->ai_socktype,
1055 ai->ai_protocol);
1056 if (s < 0)
1057 continue;
1058
1059 getnameinfo(ai->ai_addr, ai->ai_addrlen, addr,
1060 sizeof(addr), NULL, 0, NI_NUMERICHOST);
1061 imap_info("Connecting to [%s]:%s... ", addr, portstr);
1062
1063 if (connect(s, ai->ai_addr, ai->ai_addrlen) < 0) {
1064 close(s);
1065 s = -1;
1066 perror("connect");
1067 continue;
1068 }
1069
1070 break;
1071 }
1072 freeaddrinfo(ai0);
1073 #else /* NO_IPV6 */
1074 struct hostent *he;
1075 struct sockaddr_in addr;
1076
1077 memset(&addr, 0, sizeof(addr));
1078 addr.sin_port = htons(srvc->port);
1079 addr.sin_family = AF_INET;
1080
1081 imap_info("Resolving %s... ", srvc->host);
1082 he = gethostbyname(srvc->host);
1083 if (!he) {
1084 perror("gethostbyname");
1085 goto bail;
1086 }
1087 imap_info("ok\n");
1088
1089 addr.sin_addr.s_addr = *((int *) he->h_addr_list[0]);
1090
1091 s = socket(PF_INET, SOCK_STREAM, 0);
1092
1093 imap_info("Connecting to %s:%hu... ", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port));
1094 if (connect(s, (struct sockaddr *)&addr, sizeof(addr))) {
1095 close(s);
1096 s = -1;
1097 perror("connect");
1098 }
1099 #endif
1100 if (s < 0) {
1101 fputs("Error: unable to connect to server.\n", stderr);
1102 goto bail;
1103 }
1104
1105 imap->buf.sock.fd = s;
1106
1107 if (srvc->use_ssl &&
1108 ssl_socket_connect(&imap->buf.sock, 0, srvc->ssl_verify)) {
1109 close(s);
1110 goto bail;
1111 }
1112 imap_info("ok\n");
1113 }
1114
1115 /* read the greeting string */
1116 if (buffer_gets(&imap->buf, &rsp)) {
1117 fprintf(stderr, "IMAP error: no greeting response\n");
1118 goto bail;
1119 }
1120 arg = next_arg(&rsp);
1121 if (!arg || *arg != '*' || (arg = next_arg(&rsp)) == NULL) {
1122 fprintf(stderr, "IMAP error: invalid greeting response\n");
1123 goto bail;
1124 }
1125 preauth = 0;
1126 if (!strcmp("PREAUTH", arg))
1127 preauth = 1;
1128 else if (strcmp("OK", arg) != 0) {
1129 fprintf(stderr, "IMAP error: unknown greeting response\n");
1130 goto bail;
1131 }
1132 parse_response_code(ctx, NULL, rsp);
1133 if (!imap->caps && imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK)
1134 goto bail;
1135
1136 if (!preauth) {
1137 #ifndef NO_OPENSSL
1138 if (!srvc->use_ssl && CAP(STARTTLS)) {
1139 if (imap_exec(ctx, 0, "STARTTLS") != RESP_OK)
1140 goto bail;
1141 if (ssl_socket_connect(&imap->buf.sock, 1,
1142 srvc->ssl_verify))
1143 goto bail;
1144 /* capabilities may have changed, so get the new capabilities */
1145 if (imap_exec(ctx, 0, "CAPABILITY") != RESP_OK)
1146 goto bail;
1147 }
1148 #endif
1149 imap_info("Logging in...\n");
1150 if (!srvc->user) {
1151 fprintf(stderr, "Skipping server %s, no user\n", srvc->host);
1152 goto bail;
1153 }
1154 if (!srvc->pass) {
1155 char prompt[80];
1156 sprintf(prompt, "Password (%s@%s): ", srvc->user, srvc->host);
1157 arg = getpass(prompt);
1158 if (!arg) {
1159 perror("getpass");
1160 exit(1);
1161 }
1162 if (!*arg) {
1163 fprintf(stderr, "Skipping account %s@%s, no password\n", srvc->user, srvc->host);
1164 goto bail;
1165 }
1166 /*
1167 * getpass() returns a pointer to a static buffer. make a copy
1168 * for long term storage.
1169 */
1170 srvc->pass = xstrdup(arg);
1171 }
1172 if (CAP(NOLOGIN)) {
1173 fprintf(stderr, "Skipping account %s@%s, server forbids LOGIN\n", srvc->user, srvc->host);
1174 goto bail;
1175 }
1176 if (!imap->buf.sock.ssl)
1177 imap_warn("*** IMAP Warning *** Password is being "
1178 "sent in the clear\n");
1179 if (imap_exec(ctx, NULL, "LOGIN \"%s\" \"%s\"", srvc->user, srvc->pass) != RESP_OK) {
1180 fprintf(stderr, "IMAP error: LOGIN failed\n");
1181 goto bail;
1182 }
1183 } /* !preauth */
1184
1185 ctx->prefix = "";
1186 ctx->trashnc = 1;
1187 return (struct store *)ctx;
1188
1189 bail:
1190 imap_close_store(&ctx->gen);
1191 return NULL;
1192 }
1193
1194 static int imap_make_flags(int flags, char *buf)
1195 {
1196 const char *s;
1197 unsigned i, d;
1198
1199 for (i = d = 0; i < ARRAY_SIZE(Flags); i++)
1200 if (flags & (1 << i)) {
1201 buf[d++] = ' ';
1202 buf[d++] = '\\';
1203 for (s = Flags[i]; *s; s++)
1204 buf[d++] = *s;
1205 }
1206 buf[0] = '(';
1207 buf[d++] = ')';
1208 return d;
1209 }
1210
1211 #define TUIDL 8
1212
1213 static int imap_store_msg(struct store *gctx, struct msg_data *data, int *uid)
1214 {
1215 struct imap_store *ctx = (struct imap_store *)gctx;
1216 struct imap *imap = ctx->imap;
1217 struct imap_cmd_cb cb;
1218 char *fmap, *buf;
1219 const char *prefix, *box;
1220 int ret, i, j, d, len, extra, nocr;
1221 int start, sbreak = 0, ebreak = 0;
1222 char flagstr[128], tuid[TUIDL * 2 + 1];
1223
1224 memset(&cb, 0, sizeof(cb));
1225
1226 fmap = data->data;
1227 len = data->len;
1228 nocr = !data->crlf;
1229 extra = 0, i = 0;
1230 if (!CAP(UIDPLUS) && uid) {
1231 nloop:
1232 start = i;
1233 while (i < len)
1234 if (fmap[i++] == '\n') {
1235 extra += nocr;
1236 if (i - 2 + nocr == start) {
1237 sbreak = ebreak = i - 2 + nocr;
1238 goto mktid;
1239 }
1240 if (!memcmp(fmap + start, "X-TUID: ", 8)) {
1241 extra -= (ebreak = i) - (sbreak = start) + nocr;
1242 goto mktid;
1243 }
1244 goto nloop;
1245 }
1246 /* invalid message */
1247 free(fmap);
1248 return DRV_MSG_BAD;
1249 mktid:
1250 for (j = 0; j < TUIDL; j++)
1251 sprintf(tuid + j * 2, "%02x", arc4_getbyte());
1252 extra += 8 + TUIDL * 2 + 2;
1253 }
1254 if (nocr)
1255 for (; i < len; i++)
1256 if (fmap[i] == '\n')
1257 extra++;
1258
1259 cb.dlen = len + extra;
1260 buf = cb.data = xmalloc(cb.dlen);
1261 i = 0;
1262 if (!CAP(UIDPLUS) && uid) {
1263 if (nocr) {
1264 for (; i < sbreak; i++)
1265 if (fmap[i] == '\n') {
1266 *buf++ = '\r';
1267 *buf++ = '\n';
1268 } else
1269 *buf++ = fmap[i];
1270 } else {
1271 memcpy(buf, fmap, sbreak);
1272 buf += sbreak;
1273 }
1274 memcpy(buf, "X-TUID: ", 8);
1275 buf += 8;
1276 memcpy(buf, tuid, TUIDL * 2);
1277 buf += TUIDL * 2;
1278 *buf++ = '\r';
1279 *buf++ = '\n';
1280 i = ebreak;
1281 }
1282 if (nocr) {
1283 for (; i < len; i++)
1284 if (fmap[i] == '\n') {
1285 *buf++ = '\r';
1286 *buf++ = '\n';
1287 } else
1288 *buf++ = fmap[i];
1289 } else
1290 memcpy(buf, fmap + i, len - i);
1291
1292 free(fmap);
1293
1294 d = 0;
1295 if (data->flags) {
1296 d = imap_make_flags(data->flags, flagstr);
1297 flagstr[d++] = ' ';
1298 }
1299 flagstr[d] = 0;
1300
1301 if (!uid) {
1302 box = gctx->conf->trash;
1303 prefix = ctx->prefix;
1304 cb.create = 1;
1305 if (ctx->trashnc)
1306 imap->caps = imap->rcaps & ~(1 << LITERALPLUS);
1307 } else {
1308 box = gctx->name;
1309 prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix;
1310 cb.create = 0;
1311 }
1312 cb.ctx = uid;
1313 ret = imap_exec_m(ctx, &cb, "APPEND \"%s%s\" %s", prefix, box, flagstr);
1314 imap->caps = imap->rcaps;
1315 if (ret != DRV_OK)
1316 return ret;
1317 if (!uid)
1318 ctx->trashnc = 0;
1319 else
1320 gctx->count++;
1321
1322 return DRV_OK;
1323 }
1324
1325 static void encode_html_chars(struct strbuf *p)
1326 {
1327 int i;
1328 for (i = 0; i < p->len; i++) {
1329 if (p->buf[i] == '&')
1330 strbuf_splice(p, i, 1, "&amp;", 5);
1331 if (p->buf[i] == '<')
1332 strbuf_splice(p, i, 1, "&lt;", 4);
1333 if (p->buf[i] == '>')
1334 strbuf_splice(p, i, 1, "&gt;", 4);
1335 if (p->buf[i] == '"')
1336 strbuf_splice(p, i, 1, "&quot;", 6);
1337 }
1338 }
1339 static void wrap_in_html(struct msg_data *msg)
1340 {
1341 struct strbuf buf = STRBUF_INIT;
1342 struct strbuf **lines;
1343 struct strbuf **p;
1344 static char *content_type = "Content-Type: text/html;\n";
1345 static char *pre_open = "<pre>\n";
1346 static char *pre_close = "</pre>\n";
1347 int added_header = 0;
1348
1349 strbuf_attach(&buf, msg->data, msg->len, msg->len);
1350 lines = strbuf_split(&buf, '\n');
1351 strbuf_release(&buf);
1352 for (p = lines; *p; p++) {
1353 if (! added_header) {
1354 if ((*p)->len == 1 && *((*p)->buf) == '\n') {
1355 strbuf_addstr(&buf, content_type);
1356 strbuf_addbuf(&buf, *p);
1357 strbuf_addstr(&buf, pre_open);
1358 added_header = 1;
1359 continue;
1360 }
1361 }
1362 else
1363 encode_html_chars(*p);
1364 strbuf_addbuf(&buf, *p);
1365 }
1366 strbuf_addstr(&buf, pre_close);
1367 strbuf_list_free(lines);
1368 msg->len = buf.len;
1369 msg->data = strbuf_detach(&buf, NULL);
1370 }
1371
1372 #define CHUNKSIZE 0x1000
1373
1374 static int read_message(FILE *f, struct msg_data *msg)
1375 {
1376 struct strbuf buf = STRBUF_INIT;
1377
1378 memset(msg, 0, sizeof(*msg));
1379
1380 do {
1381 if (strbuf_fread(&buf, CHUNKSIZE, f) <= 0)
1382 break;
1383 } while (!feof(f));
1384
1385 msg->len = buf.len;
1386 msg->data = strbuf_detach(&buf, NULL);
1387 return msg->len;
1388 }
1389
1390 static int count_messages(struct msg_data *msg)
1391 {
1392 int count = 0;
1393 char *p = msg->data;
1394
1395 while (1) {
1396 if (!prefixcmp(p, "From ")) {
1397 count++;
1398 p += 5;
1399 }
1400 p = strstr(p+5, "\nFrom ");
1401 if (!p)
1402 break;
1403 p++;
1404 }
1405 return count;
1406 }
1407
1408 static int split_msg(struct msg_data *all_msgs, struct msg_data *msg, int *ofs)
1409 {
1410 char *p, *data;
1411
1412 memset(msg, 0, sizeof *msg);
1413 if (*ofs >= all_msgs->len)
1414 return 0;
1415
1416 data = &all_msgs->data[*ofs];
1417 msg->len = all_msgs->len - *ofs;
1418
1419 if (msg->len < 5 || prefixcmp(data, "From "))
1420 return 0;
1421
1422 p = strchr(data, '\n');
1423 if (p) {
1424 p = &p[1];
1425 msg->len -= p-data;
1426 *ofs += p-data;
1427 data = p;
1428 }
1429
1430 p = strstr(data, "\nFrom ");
1431 if (p)
1432 msg->len = &p[1] - data;
1433
1434 msg->data = xmemdupz(data, msg->len);
1435 *ofs += msg->len;
1436 return 1;
1437 }
1438
1439 static struct imap_server_conf server = {
1440 NULL, /* name */
1441 NULL, /* tunnel */
1442 NULL, /* host */
1443 0, /* port */
1444 NULL, /* user */
1445 NULL, /* pass */
1446 0, /* use_ssl */
1447 1, /* ssl_verify */
1448 0, /* use_html */
1449 };
1450
1451 static char *imap_folder;
1452
1453 static int git_imap_config(const char *key, const char *val, void *cb)
1454 {
1455 char imap_key[] = "imap.";
1456
1457 if (strncmp(key, imap_key, sizeof imap_key - 1))
1458 return 0;
1459
1460 if (!val)
1461 return config_error_nonbool(key);
1462
1463 key += sizeof imap_key - 1;
1464
1465 if (!strcmp("folder", key)) {
1466 imap_folder = xstrdup(val);
1467 } else if (!strcmp("host", key)) {
1468 if (!prefixcmp(val, "imap:"))
1469 val += 5;
1470 else if (!prefixcmp(val, "imaps:")) {
1471 val += 6;
1472 server.use_ssl = 1;
1473 }
1474 if (!prefixcmp(val, "//"))
1475 val += 2;
1476 server.host = xstrdup(val);
1477 } else if (!strcmp("user", key))
1478 server.user = xstrdup(val);
1479 else if (!strcmp("pass", key))
1480 server.pass = xstrdup(val);
1481 else if (!strcmp("port", key))
1482 server.port = git_config_int(key, val);
1483 else if (!strcmp("tunnel", key))
1484 server.tunnel = xstrdup(val);
1485 else if (!strcmp("sslverify", key))
1486 server.ssl_verify = git_config_bool(key, val);
1487 else if (!strcmp("preformattedHTML", key))
1488 server.use_html = git_config_bool(key, val);
1489 return 0;
1490 }
1491
1492 int main(int argc, char **argv)
1493 {
1494 struct msg_data all_msgs, msg;
1495 struct store *ctx = NULL;
1496 int uid = 0;
1497 int ofs = 0;
1498 int r;
1499 int total, n = 0;
1500 int nongit_ok;
1501
1502 git_extract_argv0_path(argv[0]);
1503
1504 /* init the random number generator */
1505 arc4_init();
1506
1507 setup_git_directory_gently(&nongit_ok);
1508 git_config(git_imap_config, NULL);
1509
1510 if (!server.port)
1511 server.port = server.use_ssl ? 993 : 143;
1512
1513 if (!imap_folder) {
1514 fprintf(stderr, "no imap store specified\n");
1515 return 1;
1516 }
1517 if (!server.host) {
1518 if (!server.tunnel) {
1519 fprintf(stderr, "no imap host specified\n");
1520 return 1;
1521 }
1522 server.host = "tunnel";
1523 }
1524
1525 /* read the messages */
1526 if (!read_message(stdin, &all_msgs)) {
1527 fprintf(stderr, "nothing to send\n");
1528 return 1;
1529 }
1530
1531 total = count_messages(&all_msgs);
1532 if (!total) {
1533 fprintf(stderr, "no messages to send\n");
1534 return 1;
1535 }
1536
1537 /* write it to the imap server */
1538 ctx = imap_open_store(&server);
1539 if (!ctx) {
1540 fprintf(stderr, "failed to open store\n");
1541 return 1;
1542 }
1543
1544 fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : "");
1545 ctx->name = imap_folder;
1546 while (1) {
1547 unsigned percent = n * 100 / total;
1548 fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total);
1549 if (!split_msg(&all_msgs, &msg, &ofs))
1550 break;
1551 if (server.use_html)
1552 wrap_in_html(&msg);
1553 r = imap_store_msg(ctx, &msg, &uid);
1554 if (r != DRV_OK)
1555 break;
1556 n++;
1557 }
1558 fprintf(stderr, "\n");
1559
1560 imap_close_store(ctx);
1561
1562 return 0;
1563 }
git with Jakub Narębski modifications