?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
imap-send.c: remove msg_data::flags, which was always zero
[git/mingw.git] / imap-send.c
blobf1c8f5a5aab7ace1146c7e7767116ccb0a066218
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 #include "run-command.h"
28 #include "prompt.h"
29 #ifdef NO_OPENSSL
30 typedef void *SSL;
31 #else
32 #include <openssl/evp.h>
33 #include <openssl/hmac.h>
34 #endif
35
36 struct store_conf {
37 char *name;
38 const char *path; /* should this be here? its interpretation is driver-specific */
39 char *map_inbox;
40 char *trash;
41 unsigned max_size; /* off_t is overkill */
42 unsigned trash_remote_new:1, trash_only_new:1;
43 };
44
45 /* For message->status */
46 #define M_RECENT (1<<0) /* unsyncable flag; maildir_* depend on this being 1<<0 */
47 #define M_DEAD (1<<1) /* expunged */
48 #define M_FLAGS (1<<2) /* flags fetched */
49
50 struct message {
51 struct message *next;
52 size_t size; /* zero implies "not fetched" */
53 int uid;
54 unsigned char flags, status;
55 };
56
57 struct store {
58 struct store_conf *conf; /* foreign */
59
60 /* currently open mailbox */
61 const char *name; /* foreign! maybe preset? */
62 char *path; /* own */
63 struct message *msgs; /* own */
64 int uidvalidity;
65 unsigned char opts; /* maybe preset? */
66 /* note that the following do _not_ reflect stats from msgs, but mailbox totals */
67 int count; /* # of messages */
68 int recent; /* # of recent messages - don't trust this beyond the initial read */
69 };
70
71 struct msg_data {
72 struct strbuf data;
73 };
74
75 static const char imap_send_usage[] = "git imap-send < <mbox>";
76
77 #undef DRV_OK
78 #define DRV_OK 0
79 #define DRV_MSG_BAD -1
80 #define DRV_BOX_BAD -2
81 #define DRV_STORE_BAD -3
82
83 static int Verbose, Quiet;
84
85 __attribute__((format (printf, 1, 2)))
86 static void imap_info(const char *, ...);
87 __attribute__((format (printf, 1, 2)))
88 static void imap_warn(const char *, ...);
89
90 static char *next_arg(char **);
91
92 static void free_generic_messages(struct message *);
93
94 __attribute__((format (printf, 3, 4)))
95 static int nfsnprintf(char *buf, int blen, const char *fmt, ...);
96
97 static int nfvasprintf(char **strp, const char *fmt, va_list ap)
98 {
99 int len;
100 char tmp[8192];
101
102 len = vsnprintf(tmp, sizeof(tmp), fmt, ap);
103 if (len < 0)
104 die("Fatal: Out of memory");
105 if (len >= sizeof(tmp))
106 die("imap command overflow!");
107 *strp = xmemdupz(tmp, len);
108 return len;
109 }
110
111 struct imap_server_conf {
112 char *name;
113 char *tunnel;
114 char *host;
115 int port;
116 char *user;
117 char *pass;
118 int use_ssl;
119 int ssl_verify;
120 int use_html;
121 char *auth_method;
122 };
123
124 static struct imap_server_conf server = {
125 NULL, /* name */
126 NULL, /* tunnel */
127 NULL, /* host */
128 0, /* port */
129 NULL, /* user */
130 NULL, /* pass */
131 0, /* use_ssl */
132 1, /* ssl_verify */
133 0, /* use_html */
134 NULL, /* auth_method */
135 };
136
137 struct imap_store_conf {
138 struct store_conf gen;
139 struct imap_server_conf *server;
140 };
141
142 #define NIL (void *)0x1
143 #define LIST (void *)0x2
144
145 struct imap_list {
146 struct imap_list *next, *child;
147 char *val;
148 int len;
149 };
150
151 struct imap_socket {
152 int fd[2];
153 SSL *ssl;
154 };
155
156 struct imap_buffer {
157 struct imap_socket sock;
158 int bytes;
159 int offset;
160 char buf[1024];
161 };
162
163 struct imap_cmd;
164
165 struct imap {
166 int uidnext; /* from SELECT responses */
167 struct imap_list *ns_personal, *ns_other, *ns_shared; /* NAMESPACE info */
168 unsigned caps, rcaps; /* CAPABILITY results */
169 /* command queue */
170 int nexttag, num_in_progress, literal_pending;
171 struct imap_cmd *in_progress, **in_progress_append;
172 struct imap_buffer buf; /* this is BIG, so put it last */
173 };
174
175 struct imap_store {
176 struct store gen;
177 int uidvalidity;
178 struct imap *imap;
179 const char *prefix;
180 unsigned /*currentnc:1,*/ trashnc:1;
181 };
182
183 struct imap_cmd_cb {
184 int (*cont)(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt);
185 void (*done)(struct imap_store *ctx, struct imap_cmd *cmd, int response);
186 void *ctx;
187 char *data;
188 int dlen;
189 int uid;
190 unsigned create:1, trycreate:1;
191 };
192
193 struct imap_cmd {
194 struct imap_cmd *next;
195 struct imap_cmd_cb cb;
196 char *cmd;
197 int tag;
198 };
199
200 #define CAP(cap) (imap->caps & (1 << (cap)))
201
202 enum CAPABILITY {
203 NOLOGIN = 0,
204 UIDPLUS,
205 LITERALPLUS,
206 NAMESPACE,
207 STARTTLS,
208 AUTH_CRAM_MD5
209 };
210
211 static const char *cap_list[] = {
212 "LOGINDISABLED",
213 "UIDPLUS",
214 "LITERAL+",
215 "NAMESPACE",
216 "STARTTLS",
217 "AUTH=CRAM-MD5",
218 };
219
220 #define RESP_OK 0
221 #define RESP_NO 1
222 #define RESP_BAD 2
223
224 static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd);
225
226
227 #ifndef NO_OPENSSL
228 static void ssl_socket_perror(const char *func)
229 {
230 fprintf(stderr, "%s: %s\n", func, ERR_error_string(ERR_get_error(), NULL));
231 }
232 #endif
233
234 static void socket_perror(const char *func, struct imap_socket *sock, int ret)
235 {
236 #ifndef NO_OPENSSL
237 if (sock->ssl) {
238 int sslerr = SSL_get_error(sock->ssl, ret);
239 switch (sslerr) {
240 case SSL_ERROR_NONE:
241 break;
242 case SSL_ERROR_SYSCALL:
243 perror("SSL_connect");
244 break;
245 default:
246 ssl_socket_perror("SSL_connect");
247 break;
248 }
249 } else
250 #endif
251 {
252 if (ret < 0)
253 perror(func);
254 else
255 fprintf(stderr, "%s: unexpected EOF\n", func);
256 }
257 }
258
259 static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int verify)
260 {
261 #ifdef NO_OPENSSL
262 fprintf(stderr, "SSL requested but SSL support not compiled in\n");
263 return -1;
264 #else
265 #if (OPENSSL_VERSION_NUMBER >= 0x10000000L)
266 const SSL_METHOD *meth;
267 #else
268 SSL_METHOD *meth;
269 #endif
270 SSL_CTX *ctx;
271 int ret;
272
273 SSL_library_init();
274 SSL_load_error_strings();
275
276 if (use_tls_only)
277 meth = TLSv1_method();
278 else
279 meth = SSLv23_method();
280
281 if (!meth) {
282 ssl_socket_perror("SSLv23_method");
283 return -1;
284 }
285
286 ctx = SSL_CTX_new(meth);
287
288 if (verify)
289 SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
290
291 if (!SSL_CTX_set_default_verify_paths(ctx)) {
292 ssl_socket_perror("SSL_CTX_set_default_verify_paths");
293 return -1;
294 }
295 sock->ssl = SSL_new(ctx);
296 if (!sock->ssl) {
297 ssl_socket_perror("SSL_new");
298 return -1;
299 }
300 if (!SSL_set_rfd(sock->ssl, sock->fd[0])) {
301 ssl_socket_perror("SSL_set_rfd");
302 return -1;
303 }
304 if (!SSL_set_wfd(sock->ssl, sock->fd[1])) {
305 ssl_socket_perror("SSL_set_wfd");
306 return -1;
307 }
308
309 ret = SSL_connect(sock->ssl);
310 if (ret <= 0) {
311 socket_perror("SSL_connect", sock, ret);
312 return -1;
313 }
314
315 return 0;
316 #endif
317 }
318
319 static int socket_read(struct imap_socket *sock, char *buf, int len)
320 {
321 ssize_t n;
322 #ifndef NO_OPENSSL
323 if (sock->ssl)
324 n = SSL_read(sock->ssl, buf, len);
325 else
326 #endif
327 n = xread(sock->fd[0], buf, len);
328 if (n <= 0) {
329 socket_perror("read", sock, n);
330 close(sock->fd[0]);
331 close(sock->fd[1]);
332 sock->fd[0] = sock->fd[1] = -1;
333 }
334 return n;
335 }
336
337 static int socket_write(struct imap_socket *sock, const char *buf, int len)
338 {
339 int n;
340 #ifndef NO_OPENSSL
341 if (sock->ssl)
342 n = SSL_write(sock->ssl, buf, len);
343 else
344 #endif
345 n = write_in_full(sock->fd[1], buf, len);
346 if (n != len) {
347 socket_perror("write", sock, n);
348 close(sock->fd[0]);
349 close(sock->fd[1]);
350 sock->fd[0] = sock->fd[1] = -1;
351 }
352 return n;
353 }
354
355 static void socket_shutdown(struct imap_socket *sock)
356 {
357 #ifndef NO_OPENSSL
358 if (sock->ssl) {
359 SSL_shutdown(sock->ssl);
360 SSL_free(sock->ssl);
361 }
362 #endif
363 close(sock->fd[0]);
364 close(sock->fd[1]);
365 }
366
367 /* simple line buffering */
368 static int buffer_gets(struct imap_buffer *b, char **s)
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
382 assert(start <= b->bytes);
383 n = b->bytes - start;
384
385 if (n)
386 memmove(b->buf, b->buf + start, n);
387 b->offset -= start;
388 b->bytes = n;
389 start = 0;
390 }
391
392 n = socket_read(&b->sock, b->buf + b->bytes,
393 sizeof(b->buf) - b->bytes);
394
395 if (n <= 0)
396 return -1;
397
398 b->bytes += n;
399 }
400
401 if (b->buf[b->offset] == '\r') {
402 assert(b->offset + 1 < b->bytes);
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)
407 puts(*s);
408 return 0;
409 }
410 }
411
412 b->offset++;
413 }
414 /* not reached */
415 }
416
417 static void imap_info(const char *msg, ...)
418 {
419 va_list va;
420
421 if (!Quiet) {
422 va_start(va, msg);
423 vprintf(msg, va);
424 va_end(va);
425 fflush(stdout);
426 }
427 }
428
429 static void imap_warn(const char *msg, ...)
430 {
431 va_list va;
432
433 if (Quiet < 2) {
434 va_start(va, msg);
435 vfprintf(stderr, msg, va);
436 va_end(va);
437 }
438 }
439
440 static char *next_arg(char **s)
441 {
442 char *ret;
443
444 if (!s || !*s)
445 return NULL;
446 while (isspace((unsigned char) **s))
447 (*s)++;
448 if (!**s) {
449 *s = NULL;
450 return NULL;
451 }
452 if (**s == '"') {
453 ++*s;
454 ret = *s;
455 *s = strchr(*s, '"');
456 } else {
457 ret = *s;
458 while (**s && !isspace((unsigned char) **s))
459 (*s)++;
460 }
461 if (*s) {
462 if (**s)
463 *(*s)++ = 0;
464 if (!**s)
465 *s = NULL;
466 }
467 return ret;
468 }
469
470 static void free_generic_messages(struct message *msgs)
471 {
472 struct message *tmsg;
473
474 for (; msgs; msgs = tmsg) {
475 tmsg = msgs->next;
476 free(msgs);
477 }
478 }
479
480 static int nfsnprintf(char *buf, int blen, const char *fmt, ...)
481 {
482 int ret;
483 va_list va;
484
485 va_start(va, fmt);
486 if (blen <= 0 || (unsigned)(ret = vsnprintf(buf, blen, fmt, va)) >= (unsigned)blen)
487 die("Fatal: buffer too small. Please report a bug.");
488 va_end(va);
489 return ret;
490 }
491
492 static struct imap_cmd *v_issue_imap_cmd(struct imap_store *ctx,
493 struct imap_cmd_cb *cb,
494 const char *fmt, va_list ap)
495 {
496 struct imap *imap = ctx->imap;
497 struct imap_cmd *cmd;
498 int n, bufl;
499 char buf[1024];
500
501 cmd = xmalloc(sizeof(struct imap_cmd));
502 nfvasprintf(&cmd->cmd, fmt, ap);
503 cmd->tag = ++imap->nexttag;
504
505 if (cb)
506 cmd->cb = *cb;
507 else
508 memset(&cmd->cb, 0, sizeof(cmd->cb));
509
510 while (imap->literal_pending)
511 get_cmd_result(ctx, NULL);
512
513 if (!cmd->cb.data)
514 bufl = nfsnprintf(buf, sizeof(buf), "%d %s\r\n", cmd->tag, cmd->cmd);
515 else
516 bufl = nfsnprintf(buf, sizeof(buf), "%d %s{%d%s}\r\n",
517 cmd->tag, cmd->cmd, cmd->cb.dlen,
518 CAP(LITERALPLUS) ? "+" : "");
519
520 if (Verbose) {
521 if (imap->num_in_progress)
522 printf("(%d in progress) ", imap->num_in_progress);
523 if (memcmp(cmd->cmd, "LOGIN", 5))
524 printf(">>> %s", buf);
525 else
526 printf(">>> %d LOGIN <user> <pass>\n", cmd->tag);
527 }
528 if (socket_write(&imap->buf.sock, buf, bufl) != bufl) {
529 free(cmd->cmd);
530 free(cmd);
531 if (cb)
532 free(cb->data);
533 return NULL;
534 }
535 if (cmd->cb.data) {
536 if (CAP(LITERALPLUS)) {
537 n = socket_write(&imap->buf.sock, cmd->cb.data, cmd->cb.dlen);
538 free(cmd->cb.data);
539 if (n != cmd->cb.dlen ||
540 socket_write(&imap->buf.sock, "\r\n", 2) != 2) {
541 free(cmd->cmd);
542 free(cmd);
543 return NULL;
544 }
545 cmd->cb.data = NULL;
546 } else
547 imap->literal_pending = 1;
548 } else if (cmd->cb.cont)
549 imap->literal_pending = 1;
550 cmd->next = NULL;
551 *imap->in_progress_append = cmd;
552 imap->in_progress_append = &cmd->next;
553 imap->num_in_progress++;
554 return cmd;
555 }
556
557 __attribute__((format (printf, 3, 4)))
558 static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx,
559 struct imap_cmd_cb *cb,
560 const char *fmt, ...)
561 {
562 struct imap_cmd *ret;
563 va_list ap;
564
565 va_start(ap, fmt);
566 ret = v_issue_imap_cmd(ctx, cb, fmt, ap);
567 va_end(ap);
568 return ret;
569 }
570
571 __attribute__((format (printf, 3, 4)))
572 static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb,
573 const char *fmt, ...)
574 {
575 va_list ap;
576 struct imap_cmd *cmdp;
577
578 va_start(ap, fmt);
579 cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
580 va_end(ap);
581 if (!cmdp)
582 return RESP_BAD;
583
584 return get_cmd_result(ctx, cmdp);
585 }
586
587 __attribute__((format (printf, 3, 4)))
588 static int imap_exec_m(struct imap_store *ctx, struct imap_cmd_cb *cb,
589 const char *fmt, ...)
590 {
591 va_list ap;
592 struct imap_cmd *cmdp;
593
594 va_start(ap, fmt);
595 cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
596 va_end(ap);
597 if (!cmdp)
598 return DRV_STORE_BAD;
599
600 switch (get_cmd_result(ctx, cmdp)) {
601 case RESP_BAD: return DRV_STORE_BAD;
602 case RESP_NO: return DRV_MSG_BAD;
603 default: return DRV_OK;
604 }
605 }
606
607 static int is_atom(struct imap_list *list)
608 {
609 return list && list->val && list->val != NIL && list->val != LIST;
610 }
611
612 static int is_list(struct imap_list *list)
613 {
614 return list && list->val == LIST;
615 }
616
617 static void free_list(struct imap_list *list)
618 {
619 struct imap_list *tmp;
620
621 for (; list; list = tmp) {
622 tmp = list->next;
623 if (is_list(list))
624 free_list(list->child);
625 else if (is_atom(list))
626 free(list->val);
627 free(list);
628 }
629 }
630
631 static int parse_imap_list_l(struct imap *imap, char **sp, struct imap_list **curp, int level)
632 {
633 struct imap_list *cur;
634 char *s = *sp, *p;
635 int n, bytes;
636
637 for (;;) {
638 while (isspace((unsigned char)*s))
639 s++;
640 if (level && *s == ')') {
641 s++;
642 break;
643 }
644 *curp = cur = xmalloc(sizeof(*cur));
645 curp = &cur->next;
646 cur->val = NULL; /* for clean bail */
647 if (*s == '(') {
648 /* sublist */
649 s++;
650 cur->val = LIST;
651 if (parse_imap_list_l(imap, &s, &cur->child, level + 1))
652 goto bail;
653 } else if (imap && *s == '{') {
654 /* literal */
655 bytes = cur->len = strtol(s + 1, &s, 10);
656 if (*s != '}')
657 goto bail;
658
659 s = cur->val = xmalloc(cur->len);
660
661 /* dump whats left over in the input buffer */
662 n = imap->buf.bytes - imap->buf.offset;
663
664 if (n > bytes)
665 /* the entire message fit in the buffer */
666 n = bytes;
667
668 memcpy(s, imap->buf.buf + imap->buf.offset, n);
669 s += n;
670 bytes -= n;
671
672 /* mark that we used part of the buffer */
673 imap->buf.offset += n;
674
675 /* now read the rest of the message */
676 while (bytes > 0) {
677 if ((n = socket_read(&imap->buf.sock, s, bytes)) <= 0)
678 goto bail;
679 s += n;
680 bytes -= n;
681 }
682
683 if (buffer_gets(&imap->buf, &s))
684 goto bail;
685 } else if (*s == '"') {
686 /* quoted string */
687 s++;
688 p = s;
689 for (; *s != '"'; s++)
690 if (!*s)
691 goto bail;
692 cur->len = s - p;
693 s++;
694 cur->val = xmemdupz(p, cur->len);
695 } else {
696 /* atom */
697 p = s;
698 for (; *s && !isspace((unsigned char)*s); s++)
699 if (level && *s == ')')
700 break;
701 cur->len = s - p;
702 if (cur->len == 3 && !memcmp("NIL", p, 3))
703 cur->val = NIL;
704 else
705 cur->val = xmemdupz(p, cur->len);
706 }
707
708 if (!level)
709 break;
710 if (!*s)
711 goto bail;
712 }
713 *sp = s;
714 *curp = NULL;
715 return 0;
716
717 bail:
718 *curp = NULL;
719 return -1;
720 }
721
722 static struct imap_list *parse_imap_list(struct imap *imap, char **sp)
723 {
724 struct imap_list *head;
725
726 if (!parse_imap_list_l(imap, sp, &head, 0))
727 return head;
728 free_list(head);
729 return NULL;
730 }
731
732 static struct imap_list *parse_list(char **sp)
733 {
734 return parse_imap_list(NULL, sp);
735 }
736
737 static void parse_capability(struct imap *imap, char *cmd)
738 {
739 char *arg;
740 unsigned i;
741
742 imap->caps = 0x80000000;
743 while ((arg = next_arg(&cmd)))
744 for (i = 0; i < ARRAY_SIZE(cap_list); i++)
745 if (!strcmp(cap_list[i], arg))
746 imap->caps |= 1 << i;
747 imap->rcaps = imap->caps;
748 }
749
750 static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb,
751 char *s)
752 {
753 struct imap *imap = ctx->imap;
754 char *arg, *p;
755
756 if (*s != '[')
757 return RESP_OK; /* no response code */
758 s++;
759 if (!(p = strchr(s, ']'))) {
760 fprintf(stderr, "IMAP error: malformed response code\n");
761 return RESP_BAD;
762 }
763 *p++ = 0;
764 arg = next_arg(&s);
765 if (!strcmp("UIDVALIDITY", arg)) {
766 if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg))) {
767 fprintf(stderr, "IMAP error: malformed UIDVALIDITY status\n");
768 return RESP_BAD;
769 }
770 } else if (!strcmp("UIDNEXT", arg)) {
771 if (!(arg = next_arg(&s)) || !(imap->uidnext = atoi(arg))) {
772 fprintf(stderr, "IMAP error: malformed NEXTUID status\n");
773 return RESP_BAD;
774 }
775 } else if (!strcmp("CAPABILITY", arg)) {
776 parse_capability(imap, s);
777 } else if (!strcmp("ALERT", arg)) {
778 /* RFC2060 says that these messages MUST be displayed
779 * to the user
780 */
781 for (; isspace((unsigned char)*p); p++);
782 fprintf(stderr, "*** IMAP ALERT *** %s\n", p);
783 } else if (cb && cb->ctx && !strcmp("APPENDUID", arg)) {
784 if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg)) ||
785 !(arg = next_arg(&s)) || !(*(int *)cb->ctx = atoi(arg))) {
786 fprintf(stderr, "IMAP error: malformed APPENDUID status\n");
787 return RESP_BAD;
788 }
789 }
790 return RESP_OK;
791 }
792
793 static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd)
794 {
795 struct imap *imap = ctx->imap;
796 struct imap_cmd *cmdp, **pcmdp, *ncmdp;
797 char *cmd, *arg, *arg1, *p;
798 int n, resp, resp2, tag;
799
800 for (;;) {
801 if (buffer_gets(&imap->buf, &cmd))
802 return RESP_BAD;
803
804 arg = next_arg(&cmd);
805 if (*arg == '*') {
806 arg = next_arg(&cmd);
807 if (!arg) {
808 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
809 return RESP_BAD;
810 }
811
812 if (!strcmp("NAMESPACE", arg)) {
813 imap->ns_personal = parse_list(&cmd);
814 imap->ns_other = parse_list(&cmd);
815 imap->ns_shared = parse_list(&cmd);
816 } else if (!strcmp("OK", arg) || !strcmp("BAD", arg) ||
817 !strcmp("NO", arg) || !strcmp("BYE", arg)) {
818 if ((resp = parse_response_code(ctx, NULL, cmd)) != RESP_OK)
819 return resp;
820 } else if (!strcmp("CAPABILITY", arg))
821 parse_capability(imap, cmd);
822 else if ((arg1 = next_arg(&cmd))) {
823 if (!strcmp("EXISTS", arg1))
824 ctx->gen.count = atoi(arg);
825 else if (!strcmp("RECENT", arg1))
826 ctx->gen.recent = atoi(arg);
827 } else {
828 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
829 return RESP_BAD;
830 }
831 } else if (!imap->in_progress) {
832 fprintf(stderr, "IMAP error: unexpected reply: %s %s\n", arg, cmd ? cmd : "");
833 return RESP_BAD;
834 } else if (*arg == '+') {
835 /* This can happen only with the last command underway, as
836 it enforces a round-trip. */
837 cmdp = (struct imap_cmd *)((char *)imap->in_progress_append -
838 offsetof(struct imap_cmd, next));
839 if (cmdp->cb.data) {
840 n = socket_write(&imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen);
841 free(cmdp->cb.data);
842 cmdp->cb.data = NULL;
843 if (n != (int)cmdp->cb.dlen)
844 return RESP_BAD;
845 } else if (cmdp->cb.cont) {
846 if (cmdp->cb.cont(ctx, cmdp, cmd))
847 return RESP_BAD;
848 } else {
849 fprintf(stderr, "IMAP error: unexpected command continuation request\n");
850 return RESP_BAD;
851 }
852 if (socket_write(&imap->buf.sock, "\r\n", 2) != 2)
853 return RESP_BAD;
854 if (!cmdp->cb.cont)
855 imap->literal_pending = 0;
856 if (!tcmd)
857 return DRV_OK;
858 } else {
859 tag = atoi(arg);
860 for (pcmdp = &imap->in_progress; (cmdp = *pcmdp); pcmdp = &cmdp->next)
861 if (cmdp->tag == tag)
862 goto gottag;
863 fprintf(stderr, "IMAP error: unexpected tag %s\n", arg);
864 return RESP_BAD;
865 gottag:
866 if (!(*pcmdp = cmdp->next))
867 imap->in_progress_append = pcmdp;
868 imap->num_in_progress--;
869 if (cmdp->cb.cont || cmdp->cb.data)
870 imap->literal_pending = 0;
871 arg = next_arg(&cmd);
872 if (!strcmp("OK", arg))
873 resp = DRV_OK;
874 else {
875 if (!strcmp("NO", arg)) {
876 if (cmdp->cb.create && cmd && (cmdp->cb.trycreate || !memcmp(cmd, "[TRYCREATE]", 11))) { /* SELECT, APPEND or UID COPY */
877 p = strchr(cmdp->cmd, '"');
878 if (!issue_imap_cmd(ctx, NULL, "CREATE \"%.*s\"", (int)(strchr(p + 1, '"') - p + 1), p)) {
879 resp = RESP_BAD;
880 goto normal;
881 }
882 /* not waiting here violates the spec, but a server that does not
883 grok this nonetheless violates it too. */
884 cmdp->cb.create = 0;
885 if (!(ncmdp = issue_imap_cmd(ctx, &cmdp->cb, "%s", cmdp->cmd))) {
886 resp = RESP_BAD;
887 goto normal;
888 }
889 free(cmdp->cmd);
890 free(cmdp);
891 if (!tcmd)
892 return 0; /* ignored */
893 if (cmdp == tcmd)
894 tcmd = ncmdp;
895 continue;
896 }
897 resp = RESP_NO;
898 } else /*if (!strcmp("BAD", arg))*/
899 resp = RESP_BAD;
900 fprintf(stderr, "IMAP command '%s' returned response (%s) - %s\n",
901 memcmp(cmdp->cmd, "LOGIN", 5) ?
902 cmdp->cmd : "LOGIN <user> <pass>",
903 arg, cmd ? cmd : "");
904 }
905 if ((resp2 = parse_response_code(ctx, &cmdp->cb, cmd)) > resp)
906 resp = resp2;
907 normal:
908 if (cmdp->cb.done)
909 cmdp->cb.done(ctx, cmdp, resp);
910 free(cmdp->cb.data);
911 free(cmdp->cmd);
912 free(cmdp);
913 if (!tcmd || tcmd == cmdp)
914 return resp;
915 }
916 }
917 /* not reached */
918 }
919
920 static void imap_close_server(struct imap_store *ictx)
921 {
922 struct imap *imap = ictx->imap;
923
924 if (imap->buf.sock.fd[0] != -1) {
925 imap_exec(ictx, NULL, "LOGOUT");
926 socket_shutdown(&imap->buf.sock);
927 }
928 free_list(imap->ns_personal);
929 free_list(imap->ns_other);
930 free_list(imap->ns_shared);
931 free(imap);
932 }
933
934 static void imap_close_store(struct store *ctx)
935 {
936 imap_close_server((struct imap_store *)ctx);
937 free_generic_messages(ctx->msgs);
938 free(ctx);
939 }
940
941 #ifndef NO_OPENSSL
942
943 /*
944 * hexchar() and cram() functions are based on the code from the isync
945 * project (http://isync.sf.net/).
946 */
947 static char hexchar(unsigned int b)
948 {
949 return b < 10 ? '0' + b : 'a' + (b - 10);
950 }
951
952 #define ENCODED_SIZE(n) (4*((n+2)/3))
953 static char *cram(const char *challenge_64, const char *user, const char *pass)
954 {
955 int i, resp_len, encoded_len, decoded_len;
956 HMAC_CTX hmac;
957 unsigned char hash[16];
958 char hex[33];
959 char *response, *response_64, *challenge;
960
961 /*
962 * length of challenge_64 (i.e. base-64 encoded string) is a good
963 * enough upper bound for challenge (decoded result).
964 */
965 encoded_len = strlen(challenge_64);
966 challenge = xmalloc(encoded_len);
967 decoded_len = EVP_DecodeBlock((unsigned char *)challenge,
968 (unsigned char *)challenge_64, encoded_len);
969 if (decoded_len < 0)
970 die("invalid challenge %s", challenge_64);
971 HMAC_Init(&hmac, (unsigned char *)pass, strlen(pass), EVP_md5());
972 HMAC_Update(&hmac, (unsigned char *)challenge, decoded_len);
973 HMAC_Final(&hmac, hash, NULL);
974 HMAC_CTX_cleanup(&hmac);
975
976 hex[32] = 0;
977 for (i = 0; i < 16; i++) {
978 hex[2 * i] = hexchar((hash[i] >> 4) & 0xf);
979 hex[2 * i + 1] = hexchar(hash[i] & 0xf);
980 }
981
982 /* response: "<user> <digest in hex>" */
983 resp_len = strlen(user) + 1 + strlen(hex) + 1;
984 response = xmalloc(resp_len);
985 sprintf(response, "%s %s", user, hex);
986
987 response_64 = xmalloc(ENCODED_SIZE(resp_len) + 1);
988 encoded_len = EVP_EncodeBlock((unsigned char *)response_64,
989 (unsigned char *)response, resp_len);
990 if (encoded_len < 0)
991 die("EVP_EncodeBlock error");
992 response_64[encoded_len] = '\0';
993 return (char *)response_64;
994 }
995
996 #else
997
998 static char *cram(const char *challenge_64, const char *user, const char *pass)
999 {
1000 die("If you want to use CRAM-MD5 authenticate method, "
1001 "you have to build git-imap-send with OpenSSL library.");
1002 }
1003
1004 #endif
1005
1006 static int auth_cram_md5(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt)
1007 {
1008 int ret;
1009 char *response;
1010
1011 response = cram(prompt, server.user, server.pass);
1012
1013 ret = socket_write(&ctx->imap->buf.sock, response, strlen(response));
1014 if (ret != strlen(response))
1015 return error("IMAP error: sending response failed");
1016
1017 free(response);
1018
1019 return 0;
1020 }
1021
1022 static struct store *imap_open_store(struct imap_server_conf *srvc)
1023 {
1024 struct imap_store *ctx;
1025 struct imap *imap;
1026 char *arg, *rsp;
1027 int s = -1, preauth;
1028
1029 ctx = xcalloc(sizeof(*ctx), 1);
1030
1031 ctx->imap = imap = xcalloc(sizeof(*imap), 1);
1032 imap->buf.sock.fd[0] = imap->buf.sock.fd[1] = -1;
1033 imap->in_progress_append = &imap->in_progress;
1034
1035 /* open connection to IMAP server */
1036
1037 if (srvc->tunnel) {
1038 const char *argv[] = { srvc->tunnel, NULL };
1039 struct child_process tunnel = {NULL};
1040
1041 imap_info("Starting tunnel '%s'... ", srvc->tunnel);
1042
1043 tunnel.argv = argv;
1044 tunnel.use_shell = 1;
1045 tunnel.in = -1;
1046 tunnel.out = -1;
1047 if (start_command(&tunnel))
1048 die("cannot start proxy %s", argv[0]);
1049
1050 imap->buf.sock.fd[0] = tunnel.out;
1051 imap->buf.sock.fd[1] = tunnel.in;
1052
1053 imap_info("ok\n");
1054 } else {
1055 #ifndef NO_IPV6
1056 struct addrinfo hints, *ai0, *ai;
1057 int gai;
1058 char portstr[6];
1059
1060 snprintf(portstr, sizeof(portstr), "%d", srvc->port);
1061
1062 memset(&hints, 0, sizeof(hints));
1063 hints.ai_socktype = SOCK_STREAM;
1064 hints.ai_protocol = IPPROTO_TCP;
1065
1066 imap_info("Resolving %s... ", srvc->host);
1067 gai = getaddrinfo(srvc->host, portstr, &hints, &ai);
1068 if (gai) {
1069 fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(gai));
1070 goto bail;
1071 }
1072 imap_info("ok\n");
1073
1074 for (ai0 = ai; ai; ai = ai->ai_next) {
1075 char addr[NI_MAXHOST];
1076
1077 s = socket(ai->ai_family, ai->ai_socktype,
1078 ai->ai_protocol);
1079 if (s < 0)
1080 continue;
1081
1082 getnameinfo(ai->ai_addr, ai->ai_addrlen, addr,
1083 sizeof(addr), NULL, 0, NI_NUMERICHOST);
1084 imap_info("Connecting to [%s]:%s... ", addr, portstr);
1085
1086 if (connect(s, ai->ai_addr, ai->ai_addrlen) < 0) {
1087 close(s);
1088 s = -1;
1089 perror("connect");
1090 continue;
1091 }
1092
1093 break;
1094 }
1095 freeaddrinfo(ai0);
1096 #else /* NO_IPV6 */
1097 struct hostent *he;
1098 struct sockaddr_in addr;
1099
1100 memset(&addr, 0, sizeof(addr));
1101 addr.sin_port = htons(srvc->port);
1102 addr.sin_family = AF_INET;
1103
1104 imap_info("Resolving %s... ", srvc->host);
1105 he = gethostbyname(srvc->host);
1106 if (!he) {
1107 perror("gethostbyname");
1108 goto bail;
1109 }
1110 imap_info("ok\n");
1111
1112 addr.sin_addr.s_addr = *((int *) he->h_addr_list[0]);
1113
1114 s = socket(PF_INET, SOCK_STREAM, 0);
1115
1116 imap_info("Connecting to %s:%hu... ", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port));
1117 if (connect(s, (struct sockaddr *)&addr, sizeof(addr))) {
1118 close(s);
1119 s = -1;
1120 perror("connect");
1121 }
1122 #endif
1123 if (s < 0) {
1124 fputs("Error: unable to connect to server.\n", stderr);
1125 goto bail;
1126 }
1127
1128 imap->buf.sock.fd[0] = s;
1129 imap->buf.sock.fd[1] = dup(s);
1130
1131 if (srvc->use_ssl &&
1132 ssl_socket_connect(&imap->buf.sock, 0, srvc->ssl_verify)) {
1133 close(s);
1134 goto bail;
1135 }
1136 imap_info("ok\n");
1137 }
1138
1139 /* read the greeting string */
1140 if (buffer_gets(&imap->buf, &rsp)) {
1141 fprintf(stderr, "IMAP error: no greeting response\n");
1142 goto bail;
1143 }
1144 arg = next_arg(&rsp);
1145 if (!arg || *arg != '*' || (arg = next_arg(&rsp)) == NULL) {
1146 fprintf(stderr, "IMAP error: invalid greeting response\n");
1147 goto bail;
1148 }
1149 preauth = 0;
1150 if (!strcmp("PREAUTH", arg))
1151 preauth = 1;
1152 else if (strcmp("OK", arg) != 0) {
1153 fprintf(stderr, "IMAP error: unknown greeting response\n");
1154 goto bail;
1155 }
1156 parse_response_code(ctx, NULL, rsp);
1157 if (!imap->caps && imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK)
1158 goto bail;
1159
1160 if (!preauth) {
1161 #ifndef NO_OPENSSL
1162 if (!srvc->use_ssl && CAP(STARTTLS)) {
1163 if (imap_exec(ctx, NULL, "STARTTLS") != RESP_OK)
1164 goto bail;
1165 if (ssl_socket_connect(&imap->buf.sock, 1,
1166 srvc->ssl_verify))
1167 goto bail;
1168 /* capabilities may have changed, so get the new capabilities */
1169 if (imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK)
1170 goto bail;
1171 }
1172 #endif
1173 imap_info("Logging in...\n");
1174 if (!srvc->user) {
1175 fprintf(stderr, "Skipping server %s, no user\n", srvc->host);
1176 goto bail;
1177 }
1178 if (!srvc->pass) {
1179 struct strbuf prompt = STRBUF_INIT;
1180 strbuf_addf(&prompt, "Password (%s@%s): ", srvc->user, srvc->host);
1181 arg = git_getpass(prompt.buf);
1182 strbuf_release(&prompt);
1183 if (!*arg) {
1184 fprintf(stderr, "Skipping account %s@%s, no password\n", srvc->user, srvc->host);
1185 goto bail;
1186 }
1187 /*
1188 * getpass() returns a pointer to a static buffer. make a copy
1189 * for long term storage.
1190 */
1191 srvc->pass = xstrdup(arg);
1192 }
1193 if (CAP(NOLOGIN)) {
1194 fprintf(stderr, "Skipping account %s@%s, server forbids LOGIN\n", srvc->user, srvc->host);
1195 goto bail;
1196 }
1197
1198 if (srvc->auth_method) {
1199 struct imap_cmd_cb cb;
1200
1201 if (!strcmp(srvc->auth_method, "CRAM-MD5")) {
1202 if (!CAP(AUTH_CRAM_MD5)) {
1203 fprintf(stderr, "You specified"
1204 "CRAM-MD5 as authentication method, "
1205 "but %s doesn't support it.\n", srvc->host);
1206 goto bail;
1207 }
1208 /* CRAM-MD5 */
1209
1210 memset(&cb, 0, sizeof(cb));
1211 cb.cont = auth_cram_md5;
1212 if (imap_exec(ctx, &cb, "AUTHENTICATE CRAM-MD5") != RESP_OK) {
1213 fprintf(stderr, "IMAP error: AUTHENTICATE CRAM-MD5 failed\n");
1214 goto bail;
1215 }
1216 } else {
1217 fprintf(stderr, "Unknown authentication method:%s\n", srvc->host);
1218 goto bail;
1219 }
1220 } else {
1221 if (!imap->buf.sock.ssl)
1222 imap_warn("*** IMAP Warning *** Password is being "
1223 "sent in the clear\n");
1224 if (imap_exec(ctx, NULL, "LOGIN \"%s\" \"%s\"", srvc->user, srvc->pass) != RESP_OK) {
1225 fprintf(stderr, "IMAP error: LOGIN failed\n");
1226 goto bail;
1227 }
1228 }
1229 } /* !preauth */
1230
1231 ctx->prefix = "";
1232 ctx->trashnc = 1;
1233 return (struct store *)ctx;
1234
1235 bail:
1236 imap_close_store(&ctx->gen);
1237 return NULL;
1238 }
1239
1240 static void lf_to_crlf(struct strbuf *msg)
1241 {
1242 size_t new_len;
1243 char *new;
1244 int i, j, lfnum = 0;
1245
1246 if (msg->buf[0] == '\n')
1247 lfnum++;
1248 for (i = 1; i < msg->len; i++) {
1249 if (msg->buf[i - 1] != '\r' && msg->buf[i] == '\n')
1250 lfnum++;
1251 }
1252
1253 new_len = msg->len + lfnum;
1254 new = xmalloc(new_len + 1);
1255 if (msg->buf[0] == '\n') {
1256 new[0] = '\r';
1257 new[1] = '\n';
1258 i = 1;
1259 j = 2;
1260 } else {
1261 new[0] = msg->buf[0];
1262 i = 1;
1263 j = 1;
1264 }
1265 for ( ; i < msg->len; i++) {
1266 if (msg->buf[i] != '\n') {
1267 new[j++] = msg->buf[i];
1268 continue;
1269 }
1270 if (msg->buf[i - 1] != '\r')
1271 new[j++] = '\r';
1272 /* otherwise it already had CR before */
1273 new[j++] = '\n';
1274 }
1275 strbuf_attach(msg, new, new_len, new_len + 1);
1276 }
1277
1278 /*
1279 * Store msg to IMAP. Also detach and free the data from msg->data,
1280 * leaving msg->data empty.
1281 */
1282 static int imap_store_msg(struct store *gctx, struct msg_data *msg)
1283 {
1284 struct imap_store *ctx = (struct imap_store *)gctx;
1285 struct imap *imap = ctx->imap;
1286 struct imap_cmd_cb cb;
1287 const char *prefix, *box;
1288 int ret;
1289
1290 lf_to_crlf(&msg->data);
1291 memset(&cb, 0, sizeof(cb));
1292
1293 cb.dlen = msg->data.len;
1294 cb.data = strbuf_detach(&msg->data, NULL);
1295
1296 box = gctx->name;
1297 prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix;
1298 cb.create = 0;
1299 ret = imap_exec_m(ctx, &cb, "APPEND \"%s%s\" ", prefix, box);
1300 imap->caps = imap->rcaps;
1301 if (ret != DRV_OK)
1302 return ret;
1303 gctx->count++;
1304
1305 return DRV_OK;
1306 }
1307
1308 static void wrap_in_html(struct strbuf *msg)
1309 {
1310 struct strbuf buf = STRBUF_INIT;
1311 static char *content_type = "Content-Type: text/html;\n";
1312 static char *pre_open = "<pre>\n";
1313 static char *pre_close = "</pre>\n";
1314 const char *body = strstr(msg->buf, "\n\n");
1315
1316 if (!body)
1317 return; /* Headers but no body; no wrapping needed */
1318
1319 body += 2;
1320
1321 strbuf_add(&buf, msg->buf, body - msg->buf - 1);
1322 strbuf_addstr(&buf, content_type);
1323 strbuf_addch(&buf, '\n');
1324 strbuf_addstr(&buf, pre_open);
1325 strbuf_addstr_xml_quoted(&buf, body);
1326 strbuf_addstr(&buf, pre_close);
1327
1328 strbuf_release(msg);
1329 *msg = buf;
1330 }
1331
1332 #define CHUNKSIZE 0x1000
1333
1334 static int read_message(FILE *f, struct strbuf *all_msgs)
1335 {
1336 do {
1337 if (strbuf_fread(all_msgs, CHUNKSIZE, f) <= 0)
1338 break;
1339 } while (!feof(f));
1340
1341 return ferror(f) ? -1 : 0;
1342 }
1343
1344 static int count_messages(struct strbuf *all_msgs)
1345 {
1346 int count = 0;
1347 char *p = all_msgs->buf;
1348
1349 while (1) {
1350 if (!prefixcmp(p, "From ")) {
1351 p = strstr(p+5, "\nFrom: ");
1352 if (!p) break;
1353 p = strstr(p+7, "\nDate: ");
1354 if (!p) break;
1355 p = strstr(p+7, "\nSubject: ");
1356 if (!p) break;
1357 p += 10;
1358 count++;
1359 }
1360 p = strstr(p+5, "\nFrom ");
1361 if (!p)
1362 break;
1363 p++;
1364 }
1365 return count;
1366 }
1367
1368 /*
1369 * Copy the next message from all_msgs, starting at offset *ofs, to
1370 * msg. Update *ofs to the start of the following message. Return
1371 * true iff a message was successfully copied.
1372 */
1373 static int split_msg(struct strbuf *all_msgs, struct strbuf *msg, int *ofs)
1374 {
1375 char *p, *data;
1376 size_t len;
1377
1378 if (*ofs >= all_msgs->len)
1379 return 0;
1380
1381 data = &all_msgs->buf[*ofs];
1382 len = all_msgs->len - *ofs;
1383
1384 if (len < 5 || prefixcmp(data, "From "))
1385 return 0;
1386
1387 p = strchr(data, '\n');
1388 if (p) {
1389 p++;
1390 len -= p - data;
1391 *ofs += p - data;
1392 data = p;
1393 }
1394
1395 p = strstr(data, "\nFrom ");
1396 if (p)
1397 len = &p[1] - data;
1398
1399 strbuf_add(msg, data, len);
1400 *ofs += len;
1401 return 1;
1402 }
1403
1404 static char *imap_folder;
1405
1406 static int git_imap_config(const char *key, const char *val, void *cb)
1407 {
1408 char imap_key[] = "imap.";
1409
1410 if (strncmp(key, imap_key, sizeof imap_key - 1))
1411 return 0;
1412
1413 key += sizeof imap_key - 1;
1414
1415 /* check booleans first, and barf on others */
1416 if (!strcmp("sslverify", key))
1417 server.ssl_verify = git_config_bool(key, val);
1418 else if (!strcmp("preformattedhtml", key))
1419 server.use_html = git_config_bool(key, val);
1420 else if (!val)
1421 return config_error_nonbool(key);
1422
1423 if (!strcmp("folder", key)) {
1424 imap_folder = xstrdup(val);
1425 } else if (!strcmp("host", key)) {
1426 if (!prefixcmp(val, "imap:"))
1427 val += 5;
1428 else if (!prefixcmp(val, "imaps:")) {
1429 val += 6;
1430 server.use_ssl = 1;
1431 }
1432 if (!prefixcmp(val, "//"))
1433 val += 2;
1434 server.host = xstrdup(val);
1435 } else if (!strcmp("user", key))
1436 server.user = xstrdup(val);
1437 else if (!strcmp("pass", key))
1438 server.pass = xstrdup(val);
1439 else if (!strcmp("port", key))
1440 server.port = git_config_int(key, val);
1441 else if (!strcmp("tunnel", key))
1442 server.tunnel = xstrdup(val);
1443 else if (!strcmp("authmethod", key))
1444 server.auth_method = xstrdup(val);
1445
1446 return 0;
1447 }
1448
1449 int main(int argc, char **argv)
1450 {
1451 struct strbuf all_msgs = STRBUF_INIT;
1452 struct msg_data msg = {STRBUF_INIT};
1453 struct store *ctx = NULL;
1454 int ofs = 0;
1455 int r;
1456 int total, n = 0;
1457 int nongit_ok;
1458
1459 git_extract_argv0_path(argv[0]);
1460
1461 git_setup_gettext();
1462
1463 if (argc != 1)
1464 usage(imap_send_usage);
1465
1466 setup_git_directory_gently(&nongit_ok);
1467 git_config(git_imap_config, NULL);
1468
1469 if (!server.port)
1470 server.port = server.use_ssl ? 993 : 143;
1471
1472 if (!imap_folder) {
1473 fprintf(stderr, "no imap store specified\n");
1474 return 1;
1475 }
1476 if (!server.host) {
1477 if (!server.tunnel) {
1478 fprintf(stderr, "no imap host specified\n");
1479 return 1;
1480 }
1481 server.host = "tunnel";
1482 }
1483
1484 /* read the messages */
1485 if (read_message(stdin, &all_msgs)) {
1486 fprintf(stderr, "error reading input\n");
1487 return 1;
1488 }
1489
1490 if (all_msgs.len == 0) {
1491 fprintf(stderr, "nothing to send\n");
1492 return 1;
1493 }
1494
1495 total = count_messages(&all_msgs);
1496 if (!total) {
1497 fprintf(stderr, "no messages to send\n");
1498 return 1;
1499 }
1500
1501 /* write it to the imap server */
1502 ctx = imap_open_store(&server);
1503 if (!ctx) {
1504 fprintf(stderr, "failed to open store\n");
1505 return 1;
1506 }
1507
1508 fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : "");
1509 ctx->name = imap_folder;
1510 while (1) {
1511 unsigned percent = n * 100 / total;
1512
1513 fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total);
1514 if (!split_msg(&all_msgs, &msg.data, &ofs))
1515 break;
1516 if (server.use_html)
1517 wrap_in_html(&msg.data);
1518 r = imap_store_msg(ctx, &msg);
1519 if (r != DRV_OK)
1520 break;
1521 n++;
1522 }
1523 fprintf(stderr, "\n");
1524
1525 imap_close_store(ctx);
1526
1527 return 0;
1528 }
MinGW port of GIT