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lf_to_crlf(): NUL-terminate msg_data::data
[alt-git.git] / imap-send.c
blobc818b0c7ea226599d43f2611d77a88acf308df1d
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 /* NUL-terminated data: */
73 char *data;
74
75 /* length of data (not including NUL): */
76 int len;
77
78 unsigned char flags;
79 };
80
81 static const char imap_send_usage[] = "git imap-send < <mbox>";
82
83 #undef DRV_OK
84 #define DRV_OK 0
85 #define DRV_MSG_BAD -1
86 #define DRV_BOX_BAD -2
87 #define DRV_STORE_BAD -3
88
89 static int Verbose, Quiet;
90
91 __attribute__((format (printf, 1, 2)))
92 static void imap_info(const char *, ...);
93 __attribute__((format (printf, 1, 2)))
94 static void imap_warn(const char *, ...);
95
96 static char *next_arg(char **);
97
98 static void free_generic_messages(struct message *);
99
100 __attribute__((format (printf, 3, 4)))
101 static int nfsnprintf(char *buf, int blen, const char *fmt, ...);
102
103 static int nfvasprintf(char **strp, const char *fmt, va_list ap)
104 {
105 int len;
106 char tmp[8192];
107
108 len = vsnprintf(tmp, sizeof(tmp), fmt, ap);
109 if (len < 0)
110 die("Fatal: Out of memory");
111 if (len >= sizeof(tmp))
112 die("imap command overflow!");
113 *strp = xmemdupz(tmp, len);
114 return len;
115 }
116
117 struct imap_server_conf {
118 char *name;
119 char *tunnel;
120 char *host;
121 int port;
122 char *user;
123 char *pass;
124 int use_ssl;
125 int ssl_verify;
126 int use_html;
127 char *auth_method;
128 };
129
130 static struct imap_server_conf server = {
131 NULL, /* name */
132 NULL, /* tunnel */
133 NULL, /* host */
134 0, /* port */
135 NULL, /* user */
136 NULL, /* pass */
137 0, /* use_ssl */
138 1, /* ssl_verify */
139 0, /* use_html */
140 NULL, /* auth_method */
141 };
142
143 struct imap_store_conf {
144 struct store_conf gen;
145 struct imap_server_conf *server;
146 };
147
148 #define NIL (void *)0x1
149 #define LIST (void *)0x2
150
151 struct imap_list {
152 struct imap_list *next, *child;
153 char *val;
154 int len;
155 };
156
157 struct imap_socket {
158 int fd[2];
159 SSL *ssl;
160 };
161
162 struct imap_buffer {
163 struct imap_socket sock;
164 int bytes;
165 int offset;
166 char buf[1024];
167 };
168
169 struct imap_cmd;
170
171 struct imap {
172 int uidnext; /* from SELECT responses */
173 struct imap_list *ns_personal, *ns_other, *ns_shared; /* NAMESPACE info */
174 unsigned caps, rcaps; /* CAPABILITY results */
175 /* command queue */
176 int nexttag, num_in_progress, literal_pending;
177 struct imap_cmd *in_progress, **in_progress_append;
178 struct imap_buffer buf; /* this is BIG, so put it last */
179 };
180
181 struct imap_store {
182 struct store gen;
183 int uidvalidity;
184 struct imap *imap;
185 const char *prefix;
186 unsigned /*currentnc:1,*/ trashnc:1;
187 };
188
189 struct imap_cmd_cb {
190 int (*cont)(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt);
191 void (*done)(struct imap_store *ctx, struct imap_cmd *cmd, int response);
192 void *ctx;
193 char *data;
194 int dlen;
195 int uid;
196 unsigned create:1, trycreate:1;
197 };
198
199 struct imap_cmd {
200 struct imap_cmd *next;
201 struct imap_cmd_cb cb;
202 char *cmd;
203 int tag;
204 };
205
206 #define CAP(cap) (imap->caps & (1 << (cap)))
207
208 enum CAPABILITY {
209 NOLOGIN = 0,
210 UIDPLUS,
211 LITERALPLUS,
212 NAMESPACE,
213 STARTTLS,
214 AUTH_CRAM_MD5
215 };
216
217 static const char *cap_list[] = {
218 "LOGINDISABLED",
219 "UIDPLUS",
220 "LITERAL+",
221 "NAMESPACE",
222 "STARTTLS",
223 "AUTH=CRAM-MD5",
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_rfd(sock->ssl, sock->fd[0])) {
315 ssl_socket_perror("SSL_set_rfd");
316 return -1;
317 }
318 if (!SSL_set_wfd(sock->ssl, sock->fd[1])) {
319 ssl_socket_perror("SSL_set_wfd");
320 return -1;
321 }
322
323 ret = SSL_connect(sock->ssl);
324 if (ret <= 0) {
325 socket_perror("SSL_connect", sock, ret);
326 return -1;
327 }
328
329 return 0;
330 #endif
331 }
332
333 static int socket_read(struct imap_socket *sock, char *buf, int len)
334 {
335 ssize_t n;
336 #ifndef NO_OPENSSL
337 if (sock->ssl)
338 n = SSL_read(sock->ssl, buf, len);
339 else
340 #endif
341 n = xread(sock->fd[0], buf, len);
342 if (n <= 0) {
343 socket_perror("read", sock, n);
344 close(sock->fd[0]);
345 close(sock->fd[1]);
346 sock->fd[0] = sock->fd[1] = -1;
347 }
348 return n;
349 }
350
351 static int socket_write(struct imap_socket *sock, const char *buf, int len)
352 {
353 int n;
354 #ifndef NO_OPENSSL
355 if (sock->ssl)
356 n = SSL_write(sock->ssl, buf, len);
357 else
358 #endif
359 n = write_in_full(sock->fd[1], buf, len);
360 if (n != len) {
361 socket_perror("write", sock, n);
362 close(sock->fd[0]);
363 close(sock->fd[1]);
364 sock->fd[0] = sock->fd[1] = -1;
365 }
366 return n;
367 }
368
369 static void socket_shutdown(struct imap_socket *sock)
370 {
371 #ifndef NO_OPENSSL
372 if (sock->ssl) {
373 SSL_shutdown(sock->ssl);
374 SSL_free(sock->ssl);
375 }
376 #endif
377 close(sock->fd[0]);
378 close(sock->fd[1]);
379 }
380
381 /* simple line buffering */
382 static int buffer_gets(struct imap_buffer *b, char **s)
383 {
384 int n;
385 int start = b->offset;
386
387 *s = b->buf + start;
388
389 for (;;) {
390 /* make sure we have enough data to read the \r\n sequence */
391 if (b->offset + 1 >= b->bytes) {
392 if (start) {
393 /* shift down used bytes */
394 *s = b->buf;
395
396 assert(start <= b->bytes);
397 n = b->bytes - start;
398
399 if (n)
400 memmove(b->buf, b->buf + start, n);
401 b->offset -= start;
402 b->bytes = n;
403 start = 0;
404 }
405
406 n = socket_read(&b->sock, b->buf + b->bytes,
407 sizeof(b->buf) - b->bytes);
408
409 if (n <= 0)
410 return -1;
411
412 b->bytes += n;
413 }
414
415 if (b->buf[b->offset] == '\r') {
416 assert(b->offset + 1 < b->bytes);
417 if (b->buf[b->offset + 1] == '\n') {
418 b->buf[b->offset] = 0; /* terminate the string */
419 b->offset += 2; /* next line */
420 if (Verbose)
421 puts(*s);
422 return 0;
423 }
424 }
425
426 b->offset++;
427 }
428 /* not reached */
429 }
430
431 static void imap_info(const char *msg, ...)
432 {
433 va_list va;
434
435 if (!Quiet) {
436 va_start(va, msg);
437 vprintf(msg, va);
438 va_end(va);
439 fflush(stdout);
440 }
441 }
442
443 static void imap_warn(const char *msg, ...)
444 {
445 va_list va;
446
447 if (Quiet < 2) {
448 va_start(va, msg);
449 vfprintf(stderr, msg, va);
450 va_end(va);
451 }
452 }
453
454 static char *next_arg(char **s)
455 {
456 char *ret;
457
458 if (!s || !*s)
459 return NULL;
460 while (isspace((unsigned char) **s))
461 (*s)++;
462 if (!**s) {
463 *s = NULL;
464 return NULL;
465 }
466 if (**s == '"') {
467 ++*s;
468 ret = *s;
469 *s = strchr(*s, '"');
470 } else {
471 ret = *s;
472 while (**s && !isspace((unsigned char) **s))
473 (*s)++;
474 }
475 if (*s) {
476 if (**s)
477 *(*s)++ = 0;
478 if (!**s)
479 *s = NULL;
480 }
481 return ret;
482 }
483
484 static void free_generic_messages(struct message *msgs)
485 {
486 struct message *tmsg;
487
488 for (; msgs; msgs = tmsg) {
489 tmsg = msgs->next;
490 free(msgs);
491 }
492 }
493
494 static int nfsnprintf(char *buf, int blen, const char *fmt, ...)
495 {
496 int ret;
497 va_list va;
498
499 va_start(va, fmt);
500 if (blen <= 0 || (unsigned)(ret = vsnprintf(buf, blen, fmt, va)) >= (unsigned)blen)
501 die("Fatal: buffer too small. Please report a bug.");
502 va_end(va);
503 return ret;
504 }
505
506 static struct imap_cmd *v_issue_imap_cmd(struct imap_store *ctx,
507 struct imap_cmd_cb *cb,
508 const char *fmt, va_list ap)
509 {
510 struct imap *imap = ctx->imap;
511 struct imap_cmd *cmd;
512 int n, bufl;
513 char buf[1024];
514
515 cmd = xmalloc(sizeof(struct imap_cmd));
516 nfvasprintf(&cmd->cmd, fmt, ap);
517 cmd->tag = ++imap->nexttag;
518
519 if (cb)
520 cmd->cb = *cb;
521 else
522 memset(&cmd->cb, 0, sizeof(cmd->cb));
523
524 while (imap->literal_pending)
525 get_cmd_result(ctx, NULL);
526
527 if (!cmd->cb.data)
528 bufl = nfsnprintf(buf, sizeof(buf), "%d %s\r\n", cmd->tag, cmd->cmd);
529 else
530 bufl = nfsnprintf(buf, sizeof(buf), "%d %s{%d%s}\r\n",
531 cmd->tag, cmd->cmd, cmd->cb.dlen,
532 CAP(LITERALPLUS) ? "+" : "");
533
534 if (Verbose) {
535 if (imap->num_in_progress)
536 printf("(%d in progress) ", imap->num_in_progress);
537 if (memcmp(cmd->cmd, "LOGIN", 5))
538 printf(">>> %s", buf);
539 else
540 printf(">>> %d LOGIN <user> <pass>\n", cmd->tag);
541 }
542 if (socket_write(&imap->buf.sock, buf, bufl) != bufl) {
543 free(cmd->cmd);
544 free(cmd);
545 if (cb)
546 free(cb->data);
547 return NULL;
548 }
549 if (cmd->cb.data) {
550 if (CAP(LITERALPLUS)) {
551 n = socket_write(&imap->buf.sock, cmd->cb.data, cmd->cb.dlen);
552 free(cmd->cb.data);
553 if (n != cmd->cb.dlen ||
554 socket_write(&imap->buf.sock, "\r\n", 2) != 2) {
555 free(cmd->cmd);
556 free(cmd);
557 return NULL;
558 }
559 cmd->cb.data = NULL;
560 } else
561 imap->literal_pending = 1;
562 } else if (cmd->cb.cont)
563 imap->literal_pending = 1;
564 cmd->next = NULL;
565 *imap->in_progress_append = cmd;
566 imap->in_progress_append = &cmd->next;
567 imap->num_in_progress++;
568 return cmd;
569 }
570
571 __attribute__((format (printf, 3, 4)))
572 static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx,
573 struct imap_cmd_cb *cb,
574 const char *fmt, ...)
575 {
576 struct imap_cmd *ret;
577 va_list ap;
578
579 va_start(ap, fmt);
580 ret = v_issue_imap_cmd(ctx, cb, fmt, ap);
581 va_end(ap);
582 return ret;
583 }
584
585 __attribute__((format (printf, 3, 4)))
586 static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb,
587 const char *fmt, ...)
588 {
589 va_list ap;
590 struct imap_cmd *cmdp;
591
592 va_start(ap, fmt);
593 cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
594 va_end(ap);
595 if (!cmdp)
596 return RESP_BAD;
597
598 return get_cmd_result(ctx, cmdp);
599 }
600
601 __attribute__((format (printf, 3, 4)))
602 static int imap_exec_m(struct imap_store *ctx, struct imap_cmd_cb *cb,
603 const char *fmt, ...)
604 {
605 va_list ap;
606 struct imap_cmd *cmdp;
607
608 va_start(ap, fmt);
609 cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
610 va_end(ap);
611 if (!cmdp)
612 return DRV_STORE_BAD;
613
614 switch (get_cmd_result(ctx, cmdp)) {
615 case RESP_BAD: return DRV_STORE_BAD;
616 case RESP_NO: return DRV_MSG_BAD;
617 default: return DRV_OK;
618 }
619 }
620
621 static int is_atom(struct imap_list *list)
622 {
623 return list && list->val && list->val != NIL && list->val != LIST;
624 }
625
626 static int is_list(struct imap_list *list)
627 {
628 return list && list->val == LIST;
629 }
630
631 static void free_list(struct imap_list *list)
632 {
633 struct imap_list *tmp;
634
635 for (; list; list = tmp) {
636 tmp = list->next;
637 if (is_list(list))
638 free_list(list->child);
639 else if (is_atom(list))
640 free(list->val);
641 free(list);
642 }
643 }
644
645 static int parse_imap_list_l(struct imap *imap, char **sp, struct imap_list **curp, int level)
646 {
647 struct imap_list *cur;
648 char *s = *sp, *p;
649 int n, bytes;
650
651 for (;;) {
652 while (isspace((unsigned char)*s))
653 s++;
654 if (level && *s == ')') {
655 s++;
656 break;
657 }
658 *curp = cur = xmalloc(sizeof(*cur));
659 curp = &cur->next;
660 cur->val = NULL; /* for clean bail */
661 if (*s == '(') {
662 /* sublist */
663 s++;
664 cur->val = LIST;
665 if (parse_imap_list_l(imap, &s, &cur->child, level + 1))
666 goto bail;
667 } else if (imap && *s == '{') {
668 /* literal */
669 bytes = cur->len = strtol(s + 1, &s, 10);
670 if (*s != '}')
671 goto bail;
672
673 s = cur->val = xmalloc(cur->len);
674
675 /* dump whats left over in the input buffer */
676 n = imap->buf.bytes - imap->buf.offset;
677
678 if (n > bytes)
679 /* the entire message fit in the buffer */
680 n = bytes;
681
682 memcpy(s, imap->buf.buf + imap->buf.offset, n);
683 s += n;
684 bytes -= n;
685
686 /* mark that we used part of the buffer */
687 imap->buf.offset += n;
688
689 /* now read the rest of the message */
690 while (bytes > 0) {
691 if ((n = socket_read(&imap->buf.sock, s, bytes)) <= 0)
692 goto bail;
693 s += n;
694 bytes -= n;
695 }
696
697 if (buffer_gets(&imap->buf, &s))
698 goto bail;
699 } else if (*s == '"') {
700 /* quoted string */
701 s++;
702 p = s;
703 for (; *s != '"'; s++)
704 if (!*s)
705 goto bail;
706 cur->len = s - p;
707 s++;
708 cur->val = xmemdupz(p, cur->len);
709 } else {
710 /* atom */
711 p = s;
712 for (; *s && !isspace((unsigned char)*s); s++)
713 if (level && *s == ')')
714 break;
715 cur->len = s - p;
716 if (cur->len == 3 && !memcmp("NIL", p, 3))
717 cur->val = NIL;
718 else
719 cur->val = xmemdupz(p, cur->len);
720 }
721
722 if (!level)
723 break;
724 if (!*s)
725 goto bail;
726 }
727 *sp = s;
728 *curp = NULL;
729 return 0;
730
731 bail:
732 *curp = NULL;
733 return -1;
734 }
735
736 static struct imap_list *parse_imap_list(struct imap *imap, char **sp)
737 {
738 struct imap_list *head;
739
740 if (!parse_imap_list_l(imap, sp, &head, 0))
741 return head;
742 free_list(head);
743 return NULL;
744 }
745
746 static struct imap_list *parse_list(char **sp)
747 {
748 return parse_imap_list(NULL, sp);
749 }
750
751 static void parse_capability(struct imap *imap, char *cmd)
752 {
753 char *arg;
754 unsigned i;
755
756 imap->caps = 0x80000000;
757 while ((arg = next_arg(&cmd)))
758 for (i = 0; i < ARRAY_SIZE(cap_list); i++)
759 if (!strcmp(cap_list[i], arg))
760 imap->caps |= 1 << i;
761 imap->rcaps = imap->caps;
762 }
763
764 static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb,
765 char *s)
766 {
767 struct imap *imap = ctx->imap;
768 char *arg, *p;
769
770 if (*s != '[')
771 return RESP_OK; /* no response code */
772 s++;
773 if (!(p = strchr(s, ']'))) {
774 fprintf(stderr, "IMAP error: malformed response code\n");
775 return RESP_BAD;
776 }
777 *p++ = 0;
778 arg = next_arg(&s);
779 if (!strcmp("UIDVALIDITY", arg)) {
780 if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg))) {
781 fprintf(stderr, "IMAP error: malformed UIDVALIDITY status\n");
782 return RESP_BAD;
783 }
784 } else if (!strcmp("UIDNEXT", arg)) {
785 if (!(arg = next_arg(&s)) || !(imap->uidnext = atoi(arg))) {
786 fprintf(stderr, "IMAP error: malformed NEXTUID status\n");
787 return RESP_BAD;
788 }
789 } else if (!strcmp("CAPABILITY", arg)) {
790 parse_capability(imap, s);
791 } else if (!strcmp("ALERT", arg)) {
792 /* RFC2060 says that these messages MUST be displayed
793 * to the user
794 */
795 for (; isspace((unsigned char)*p); p++);
796 fprintf(stderr, "*** IMAP ALERT *** %s\n", p);
797 } else if (cb && cb->ctx && !strcmp("APPENDUID", arg)) {
798 if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg)) ||
799 !(arg = next_arg(&s)) || !(*(int *)cb->ctx = atoi(arg))) {
800 fprintf(stderr, "IMAP error: malformed APPENDUID status\n");
801 return RESP_BAD;
802 }
803 }
804 return RESP_OK;
805 }
806
807 static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd)
808 {
809 struct imap *imap = ctx->imap;
810 struct imap_cmd *cmdp, **pcmdp, *ncmdp;
811 char *cmd, *arg, *arg1, *p;
812 int n, resp, resp2, tag;
813
814 for (;;) {
815 if (buffer_gets(&imap->buf, &cmd))
816 return RESP_BAD;
817
818 arg = next_arg(&cmd);
819 if (*arg == '*') {
820 arg = next_arg(&cmd);
821 if (!arg) {
822 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
823 return RESP_BAD;
824 }
825
826 if (!strcmp("NAMESPACE", arg)) {
827 imap->ns_personal = parse_list(&cmd);
828 imap->ns_other = parse_list(&cmd);
829 imap->ns_shared = parse_list(&cmd);
830 } else if (!strcmp("OK", arg) || !strcmp("BAD", arg) ||
831 !strcmp("NO", arg) || !strcmp("BYE", arg)) {
832 if ((resp = parse_response_code(ctx, NULL, cmd)) != RESP_OK)
833 return resp;
834 } else if (!strcmp("CAPABILITY", arg))
835 parse_capability(imap, cmd);
836 else if ((arg1 = next_arg(&cmd))) {
837 if (!strcmp("EXISTS", arg1))
838 ctx->gen.count = atoi(arg);
839 else if (!strcmp("RECENT", arg1))
840 ctx->gen.recent = atoi(arg);
841 } else {
842 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
843 return RESP_BAD;
844 }
845 } else if (!imap->in_progress) {
846 fprintf(stderr, "IMAP error: unexpected reply: %s %s\n", arg, cmd ? cmd : "");
847 return RESP_BAD;
848 } else if (*arg == '+') {
849 /* This can happen only with the last command underway, as
850 it enforces a round-trip. */
851 cmdp = (struct imap_cmd *)((char *)imap->in_progress_append -
852 offsetof(struct imap_cmd, next));
853 if (cmdp->cb.data) {
854 n = socket_write(&imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen);
855 free(cmdp->cb.data);
856 cmdp->cb.data = NULL;
857 if (n != (int)cmdp->cb.dlen)
858 return RESP_BAD;
859 } else if (cmdp->cb.cont) {
860 if (cmdp->cb.cont(ctx, cmdp, cmd))
861 return RESP_BAD;
862 } else {
863 fprintf(stderr, "IMAP error: unexpected command continuation request\n");
864 return RESP_BAD;
865 }
866 if (socket_write(&imap->buf.sock, "\r\n", 2) != 2)
867 return RESP_BAD;
868 if (!cmdp->cb.cont)
869 imap->literal_pending = 0;
870 if (!tcmd)
871 return DRV_OK;
872 } else {
873 tag = atoi(arg);
874 for (pcmdp = &imap->in_progress; (cmdp = *pcmdp); pcmdp = &cmdp->next)
875 if (cmdp->tag == tag)
876 goto gottag;
877 fprintf(stderr, "IMAP error: unexpected tag %s\n", arg);
878 return RESP_BAD;
879 gottag:
880 if (!(*pcmdp = cmdp->next))
881 imap->in_progress_append = pcmdp;
882 imap->num_in_progress--;
883 if (cmdp->cb.cont || cmdp->cb.data)
884 imap->literal_pending = 0;
885 arg = next_arg(&cmd);
886 if (!strcmp("OK", arg))
887 resp = DRV_OK;
888 else {
889 if (!strcmp("NO", arg)) {
890 if (cmdp->cb.create && cmd && (cmdp->cb.trycreate || !memcmp(cmd, "[TRYCREATE]", 11))) { /* SELECT, APPEND or UID COPY */
891 p = strchr(cmdp->cmd, '"');
892 if (!issue_imap_cmd(ctx, NULL, "CREATE \"%.*s\"", (int)(strchr(p + 1, '"') - p + 1), p)) {
893 resp = RESP_BAD;
894 goto normal;
895 }
896 /* not waiting here violates the spec, but a server that does not
897 grok this nonetheless violates it too. */
898 cmdp->cb.create = 0;
899 if (!(ncmdp = issue_imap_cmd(ctx, &cmdp->cb, "%s", cmdp->cmd))) {
900 resp = RESP_BAD;
901 goto normal;
902 }
903 free(cmdp->cmd);
904 free(cmdp);
905 if (!tcmd)
906 return 0; /* ignored */
907 if (cmdp == tcmd)
908 tcmd = ncmdp;
909 continue;
910 }
911 resp = RESP_NO;
912 } else /*if (!strcmp("BAD", arg))*/
913 resp = RESP_BAD;
914 fprintf(stderr, "IMAP command '%s' returned response (%s) - %s\n",
915 memcmp(cmdp->cmd, "LOGIN", 5) ?
916 cmdp->cmd : "LOGIN <user> <pass>",
917 arg, cmd ? cmd : "");
918 }
919 if ((resp2 = parse_response_code(ctx, &cmdp->cb, cmd)) > resp)
920 resp = resp2;
921 normal:
922 if (cmdp->cb.done)
923 cmdp->cb.done(ctx, cmdp, resp);
924 free(cmdp->cb.data);
925 free(cmdp->cmd);
926 free(cmdp);
927 if (!tcmd || tcmd == cmdp)
928 return resp;
929 }
930 }
931 /* not reached */
932 }
933
934 static void imap_close_server(struct imap_store *ictx)
935 {
936 struct imap *imap = ictx->imap;
937
938 if (imap->buf.sock.fd[0] != -1) {
939 imap_exec(ictx, NULL, "LOGOUT");
940 socket_shutdown(&imap->buf.sock);
941 }
942 free_list(imap->ns_personal);
943 free_list(imap->ns_other);
944 free_list(imap->ns_shared);
945 free(imap);
946 }
947
948 static void imap_close_store(struct store *ctx)
949 {
950 imap_close_server((struct imap_store *)ctx);
951 free_generic_messages(ctx->msgs);
952 free(ctx);
953 }
954
955 #ifndef NO_OPENSSL
956
957 /*
958 * hexchar() and cram() functions are based on the code from the isync
959 * project (http://isync.sf.net/).
960 */
961 static char hexchar(unsigned int b)
962 {
963 return b < 10 ? '0' + b : 'a' + (b - 10);
964 }
965
966 #define ENCODED_SIZE(n) (4*((n+2)/3))
967 static char *cram(const char *challenge_64, const char *user, const char *pass)
968 {
969 int i, resp_len, encoded_len, decoded_len;
970 HMAC_CTX hmac;
971 unsigned char hash[16];
972 char hex[33];
973 char *response, *response_64, *challenge;
974
975 /*
976 * length of challenge_64 (i.e. base-64 encoded string) is a good
977 * enough upper bound for challenge (decoded result).
978 */
979 encoded_len = strlen(challenge_64);
980 challenge = xmalloc(encoded_len);
981 decoded_len = EVP_DecodeBlock((unsigned char *)challenge,
982 (unsigned char *)challenge_64, encoded_len);
983 if (decoded_len < 0)
984 die("invalid challenge %s", challenge_64);
985 HMAC_Init(&hmac, (unsigned char *)pass, strlen(pass), EVP_md5());
986 HMAC_Update(&hmac, (unsigned char *)challenge, decoded_len);
987 HMAC_Final(&hmac, hash, NULL);
988 HMAC_CTX_cleanup(&hmac);
989
990 hex[32] = 0;
991 for (i = 0; i < 16; i++) {
992 hex[2 * i] = hexchar((hash[i] >> 4) & 0xf);
993 hex[2 * i + 1] = hexchar(hash[i] & 0xf);
994 }
995
996 /* response: "<user> <digest in hex>" */
997 resp_len = strlen(user) + 1 + strlen(hex) + 1;
998 response = xmalloc(resp_len);
999 sprintf(response, "%s %s", user, hex);
1000
1001 response_64 = xmalloc(ENCODED_SIZE(resp_len) + 1);
1002 encoded_len = EVP_EncodeBlock((unsigned char *)response_64,
1003 (unsigned char *)response, resp_len);
1004 if (encoded_len < 0)
1005 die("EVP_EncodeBlock error");
1006 response_64[encoded_len] = '\0';
1007 return (char *)response_64;
1008 }
1009
1010 #else
1011
1012 static char *cram(const char *challenge_64, const char *user, const char *pass)
1013 {
1014 die("If you want to use CRAM-MD5 authenticate method, "
1015 "you have to build git-imap-send with OpenSSL library.");
1016 }
1017
1018 #endif
1019
1020 static int auth_cram_md5(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt)
1021 {
1022 int ret;
1023 char *response;
1024
1025 response = cram(prompt, server.user, server.pass);
1026
1027 ret = socket_write(&ctx->imap->buf.sock, response, strlen(response));
1028 if (ret != strlen(response))
1029 return error("IMAP error: sending response failed");
1030
1031 free(response);
1032
1033 return 0;
1034 }
1035
1036 static struct store *imap_open_store(struct imap_server_conf *srvc)
1037 {
1038 struct imap_store *ctx;
1039 struct imap *imap;
1040 char *arg, *rsp;
1041 int s = -1, preauth;
1042
1043 ctx = xcalloc(sizeof(*ctx), 1);
1044
1045 ctx->imap = imap = xcalloc(sizeof(*imap), 1);
1046 imap->buf.sock.fd[0] = imap->buf.sock.fd[1] = -1;
1047 imap->in_progress_append = &imap->in_progress;
1048
1049 /* open connection to IMAP server */
1050
1051 if (srvc->tunnel) {
1052 const char *argv[] = { srvc->tunnel, NULL };
1053 struct child_process tunnel = {NULL};
1054
1055 imap_info("Starting tunnel '%s'... ", srvc->tunnel);
1056
1057 tunnel.argv = argv;
1058 tunnel.use_shell = 1;
1059 tunnel.in = -1;
1060 tunnel.out = -1;
1061 if (start_command(&tunnel))
1062 die("cannot start proxy %s", argv[0]);
1063
1064 imap->buf.sock.fd[0] = tunnel.out;
1065 imap->buf.sock.fd[1] = tunnel.in;
1066
1067 imap_info("ok\n");
1068 } else {
1069 #ifndef NO_IPV6
1070 struct addrinfo hints, *ai0, *ai;
1071 int gai;
1072 char portstr[6];
1073
1074 snprintf(portstr, sizeof(portstr), "%d", srvc->port);
1075
1076 memset(&hints, 0, sizeof(hints));
1077 hints.ai_socktype = SOCK_STREAM;
1078 hints.ai_protocol = IPPROTO_TCP;
1079
1080 imap_info("Resolving %s... ", srvc->host);
1081 gai = getaddrinfo(srvc->host, portstr, &hints, &ai);
1082 if (gai) {
1083 fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(gai));
1084 goto bail;
1085 }
1086 imap_info("ok\n");
1087
1088 for (ai0 = ai; ai; ai = ai->ai_next) {
1089 char addr[NI_MAXHOST];
1090
1091 s = socket(ai->ai_family, ai->ai_socktype,
1092 ai->ai_protocol);
1093 if (s < 0)
1094 continue;
1095
1096 getnameinfo(ai->ai_addr, ai->ai_addrlen, addr,
1097 sizeof(addr), NULL, 0, NI_NUMERICHOST);
1098 imap_info("Connecting to [%s]:%s... ", addr, portstr);
1099
1100 if (connect(s, ai->ai_addr, ai->ai_addrlen) < 0) {
1101 close(s);
1102 s = -1;
1103 perror("connect");
1104 continue;
1105 }
1106
1107 break;
1108 }
1109 freeaddrinfo(ai0);
1110 #else /* NO_IPV6 */
1111 struct hostent *he;
1112 struct sockaddr_in addr;
1113
1114 memset(&addr, 0, sizeof(addr));
1115 addr.sin_port = htons(srvc->port);
1116 addr.sin_family = AF_INET;
1117
1118 imap_info("Resolving %s... ", srvc->host);
1119 he = gethostbyname(srvc->host);
1120 if (!he) {
1121 perror("gethostbyname");
1122 goto bail;
1123 }
1124 imap_info("ok\n");
1125
1126 addr.sin_addr.s_addr = *((int *) he->h_addr_list[0]);
1127
1128 s = socket(PF_INET, SOCK_STREAM, 0);
1129
1130 imap_info("Connecting to %s:%hu... ", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port));
1131 if (connect(s, (struct sockaddr *)&addr, sizeof(addr))) {
1132 close(s);
1133 s = -1;
1134 perror("connect");
1135 }
1136 #endif
1137 if (s < 0) {
1138 fputs("Error: unable to connect to server.\n", stderr);
1139 goto bail;
1140 }
1141
1142 imap->buf.sock.fd[0] = s;
1143 imap->buf.sock.fd[1] = dup(s);
1144
1145 if (srvc->use_ssl &&
1146 ssl_socket_connect(&imap->buf.sock, 0, srvc->ssl_verify)) {
1147 close(s);
1148 goto bail;
1149 }
1150 imap_info("ok\n");
1151 }
1152
1153 /* read the greeting string */
1154 if (buffer_gets(&imap->buf, &rsp)) {
1155 fprintf(stderr, "IMAP error: no greeting response\n");
1156 goto bail;
1157 }
1158 arg = next_arg(&rsp);
1159 if (!arg || *arg != '*' || (arg = next_arg(&rsp)) == NULL) {
1160 fprintf(stderr, "IMAP error: invalid greeting response\n");
1161 goto bail;
1162 }
1163 preauth = 0;
1164 if (!strcmp("PREAUTH", arg))
1165 preauth = 1;
1166 else if (strcmp("OK", arg) != 0) {
1167 fprintf(stderr, "IMAP error: unknown greeting response\n");
1168 goto bail;
1169 }
1170 parse_response_code(ctx, NULL, rsp);
1171 if (!imap->caps && imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK)
1172 goto bail;
1173
1174 if (!preauth) {
1175 #ifndef NO_OPENSSL
1176 if (!srvc->use_ssl && CAP(STARTTLS)) {
1177 if (imap_exec(ctx, NULL, "STARTTLS") != RESP_OK)
1178 goto bail;
1179 if (ssl_socket_connect(&imap->buf.sock, 1,
1180 srvc->ssl_verify))
1181 goto bail;
1182 /* capabilities may have changed, so get the new capabilities */
1183 if (imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK)
1184 goto bail;
1185 }
1186 #endif
1187 imap_info("Logging in...\n");
1188 if (!srvc->user) {
1189 fprintf(stderr, "Skipping server %s, no user\n", srvc->host);
1190 goto bail;
1191 }
1192 if (!srvc->pass) {
1193 struct strbuf prompt = STRBUF_INIT;
1194 strbuf_addf(&prompt, "Password (%s@%s): ", srvc->user, srvc->host);
1195 arg = git_getpass(prompt.buf);
1196 strbuf_release(&prompt);
1197 if (!*arg) {
1198 fprintf(stderr, "Skipping account %s@%s, no password\n", srvc->user, srvc->host);
1199 goto bail;
1200 }
1201 /*
1202 * getpass() returns a pointer to a static buffer. make a copy
1203 * for long term storage.
1204 */
1205 srvc->pass = xstrdup(arg);
1206 }
1207 if (CAP(NOLOGIN)) {
1208 fprintf(stderr, "Skipping account %s@%s, server forbids LOGIN\n", srvc->user, srvc->host);
1209 goto bail;
1210 }
1211
1212 if (srvc->auth_method) {
1213 struct imap_cmd_cb cb;
1214
1215 if (!strcmp(srvc->auth_method, "CRAM-MD5")) {
1216 if (!CAP(AUTH_CRAM_MD5)) {
1217 fprintf(stderr, "You specified"
1218 "CRAM-MD5 as authentication method, "
1219 "but %s doesn't support it.\n", srvc->host);
1220 goto bail;
1221 }
1222 /* CRAM-MD5 */
1223
1224 memset(&cb, 0, sizeof(cb));
1225 cb.cont = auth_cram_md5;
1226 if (imap_exec(ctx, &cb, "AUTHENTICATE CRAM-MD5") != RESP_OK) {
1227 fprintf(stderr, "IMAP error: AUTHENTICATE CRAM-MD5 failed\n");
1228 goto bail;
1229 }
1230 } else {
1231 fprintf(stderr, "Unknown authentication method:%s\n", srvc->host);
1232 goto bail;
1233 }
1234 } else {
1235 if (!imap->buf.sock.ssl)
1236 imap_warn("*** IMAP Warning *** Password is being "
1237 "sent in the clear\n");
1238 if (imap_exec(ctx, NULL, "LOGIN \"%s\" \"%s\"", srvc->user, srvc->pass) != RESP_OK) {
1239 fprintf(stderr, "IMAP error: LOGIN failed\n");
1240 goto bail;
1241 }
1242 }
1243 } /* !preauth */
1244
1245 ctx->prefix = "";
1246 ctx->trashnc = 1;
1247 return (struct store *)ctx;
1248
1249 bail:
1250 imap_close_store(&ctx->gen);
1251 return NULL;
1252 }
1253
1254 static int imap_make_flags(int flags, char *buf)
1255 {
1256 const char *s;
1257 unsigned i, d;
1258
1259 for (i = d = 0; i < ARRAY_SIZE(Flags); i++)
1260 if (flags & (1 << i)) {
1261 buf[d++] = ' ';
1262 buf[d++] = '\\';
1263 for (s = Flags[i]; *s; s++)
1264 buf[d++] = *s;
1265 }
1266 buf[0] = '(';
1267 buf[d++] = ')';
1268 return d;
1269 }
1270
1271 static void lf_to_crlf(struct msg_data *msg)
1272 {
1273 char *new;
1274 int i, j, lfnum = 0;
1275
1276 if (msg->data[0] == '\n')
1277 lfnum++;
1278 for (i = 1; i < msg->len; i++) {
1279 if (msg->data[i - 1] != '\r' && msg->data[i] == '\n')
1280 lfnum++;
1281 }
1282
1283 new = xmalloc(msg->len + lfnum + 1);
1284 if (msg->data[0] == '\n') {
1285 new[0] = '\r';
1286 new[1] = '\n';
1287 i = 1;
1288 j = 2;
1289 } else {
1290 new[0] = msg->data[0];
1291 i = 1;
1292 j = 1;
1293 }
1294 for ( ; i < msg->len; i++) {
1295 if (msg->data[i] != '\n') {
1296 new[j++] = msg->data[i];
1297 continue;
1298 }
1299 if (msg->data[i - 1] != '\r')
1300 new[j++] = '\r';
1301 /* otherwise it already had CR before */
1302 new[j++] = '\n';
1303 }
1304 new[j] = '\0';
1305 msg->len += lfnum;
1306 free(msg->data);
1307 msg->data = new;
1308 }
1309
1310 static int imap_store_msg(struct store *gctx, struct msg_data *data)
1311 {
1312 struct imap_store *ctx = (struct imap_store *)gctx;
1313 struct imap *imap = ctx->imap;
1314 struct imap_cmd_cb cb;
1315 const char *prefix, *box;
1316 int ret, d;
1317 char flagstr[128];
1318
1319 lf_to_crlf(data);
1320 memset(&cb, 0, sizeof(cb));
1321
1322 cb.dlen = data->len;
1323 cb.data = xmalloc(cb.dlen);
1324 memcpy(cb.data, data->data, data->len);
1325
1326 d = 0;
1327 if (data->flags) {
1328 d = imap_make_flags(data->flags, flagstr);
1329 flagstr[d++] = ' ';
1330 }
1331 flagstr[d] = 0;
1332
1333 box = gctx->name;
1334 prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix;
1335 cb.create = 0;
1336 ret = imap_exec_m(ctx, &cb, "APPEND \"%s%s\" %s", prefix, box, flagstr);
1337 imap->caps = imap->rcaps;
1338 if (ret != DRV_OK)
1339 return ret;
1340 gctx->count++;
1341
1342 return DRV_OK;
1343 }
1344
1345 static void encode_html_chars(struct strbuf *p)
1346 {
1347 int i;
1348 for (i = 0; i < p->len; i++) {
1349 if (p->buf[i] == '&')
1350 strbuf_splice(p, i, 1, "&amp;", 5);
1351 if (p->buf[i] == '<')
1352 strbuf_splice(p, i, 1, "&lt;", 4);
1353 if (p->buf[i] == '>')
1354 strbuf_splice(p, i, 1, "&gt;", 4);
1355 if (p->buf[i] == '"')
1356 strbuf_splice(p, i, 1, "&quot;", 6);
1357 }
1358 }
1359 static void wrap_in_html(struct msg_data *msg)
1360 {
1361 struct strbuf buf = STRBUF_INIT;
1362 struct strbuf **lines;
1363 struct strbuf **p;
1364 static char *content_type = "Content-Type: text/html;\n";
1365 static char *pre_open = "<pre>\n";
1366 static char *pre_close = "</pre>\n";
1367 int added_header = 0;
1368
1369 strbuf_attach(&buf, msg->data, msg->len, msg->len);
1370 lines = strbuf_split(&buf, '\n');
1371 strbuf_release(&buf);
1372 for (p = lines; *p; p++) {
1373 if (! added_header) {
1374 if ((*p)->len == 1 && *((*p)->buf) == '\n') {
1375 strbuf_addstr(&buf, content_type);
1376 strbuf_addbuf(&buf, *p);
1377 strbuf_addstr(&buf, pre_open);
1378 added_header = 1;
1379 continue;
1380 }
1381 }
1382 else
1383 encode_html_chars(*p);
1384 strbuf_addbuf(&buf, *p);
1385 }
1386 strbuf_addstr(&buf, pre_close);
1387 strbuf_list_free(lines);
1388 msg->len = buf.len;
1389 msg->data = strbuf_detach(&buf, NULL);
1390 }
1391
1392 #define CHUNKSIZE 0x1000
1393
1394 static int read_message(FILE *f, struct msg_data *msg)
1395 {
1396 struct strbuf buf = STRBUF_INIT;
1397
1398 memset(msg, 0, sizeof(*msg));
1399
1400 do {
1401 if (strbuf_fread(&buf, CHUNKSIZE, f) <= 0)
1402 break;
1403 } while (!feof(f));
1404
1405 msg->len = buf.len;
1406 msg->data = strbuf_detach(&buf, NULL);
1407 return msg->len;
1408 }
1409
1410 static int count_messages(struct msg_data *msg)
1411 {
1412 int count = 0;
1413 char *p = msg->data;
1414
1415 while (1) {
1416 if (!prefixcmp(p, "From ")) {
1417 p = strstr(p+5, "\nFrom: ");
1418 if (!p) break;
1419 p = strstr(p+7, "\nDate: ");
1420 if (!p) break;
1421 p = strstr(p+7, "\nSubject: ");
1422 if (!p) break;
1423 p += 10;
1424 count++;
1425 }
1426 p = strstr(p+5, "\nFrom ");
1427 if (!p)
1428 break;
1429 p++;
1430 }
1431 return count;
1432 }
1433
1434 static int split_msg(struct msg_data *all_msgs, struct msg_data *msg, int *ofs)
1435 {
1436 char *p, *data;
1437
1438 memset(msg, 0, sizeof *msg);
1439 if (*ofs >= all_msgs->len)
1440 return 0;
1441
1442 data = &all_msgs->data[*ofs];
1443 msg->len = all_msgs->len - *ofs;
1444
1445 if (msg->len < 5 || prefixcmp(data, "From "))
1446 return 0;
1447
1448 p = strchr(data, '\n');
1449 if (p) {
1450 p = &p[1];
1451 msg->len -= p-data;
1452 *ofs += p-data;
1453 data = p;
1454 }
1455
1456 p = strstr(data, "\nFrom ");
1457 if (p)
1458 msg->len = &p[1] - data;
1459
1460 msg->data = xmemdupz(data, msg->len);
1461 *ofs += msg->len;
1462 return 1;
1463 }
1464
1465 static char *imap_folder;
1466
1467 static int git_imap_config(const char *key, const char *val, void *cb)
1468 {
1469 char imap_key[] = "imap.";
1470
1471 if (strncmp(key, imap_key, sizeof imap_key - 1))
1472 return 0;
1473
1474 key += sizeof imap_key - 1;
1475
1476 /* check booleans first, and barf on others */
1477 if (!strcmp("sslverify", key))
1478 server.ssl_verify = git_config_bool(key, val);
1479 else if (!strcmp("preformattedhtml", key))
1480 server.use_html = git_config_bool(key, val);
1481 else if (!val)
1482 return config_error_nonbool(key);
1483
1484 if (!strcmp("folder", key)) {
1485 imap_folder = xstrdup(val);
1486 } else if (!strcmp("host", key)) {
1487 if (!prefixcmp(val, "imap:"))
1488 val += 5;
1489 else if (!prefixcmp(val, "imaps:")) {
1490 val += 6;
1491 server.use_ssl = 1;
1492 }
1493 if (!prefixcmp(val, "//"))
1494 val += 2;
1495 server.host = xstrdup(val);
1496 } else if (!strcmp("user", key))
1497 server.user = xstrdup(val);
1498 else if (!strcmp("pass", key))
1499 server.pass = xstrdup(val);
1500 else if (!strcmp("port", key))
1501 server.port = git_config_int(key, val);
1502 else if (!strcmp("tunnel", key))
1503 server.tunnel = xstrdup(val);
1504 else if (!strcmp("authmethod", key))
1505 server.auth_method = xstrdup(val);
1506
1507 return 0;
1508 }
1509
1510 int main(int argc, char **argv)
1511 {
1512 struct msg_data all_msgs, msg;
1513 struct store *ctx = NULL;
1514 int ofs = 0;
1515 int r;
1516 int total, n = 0;
1517 int nongit_ok;
1518
1519 git_extract_argv0_path(argv[0]);
1520
1521 git_setup_gettext();
1522
1523 if (argc != 1)
1524 usage(imap_send_usage);
1525
1526 setup_git_directory_gently(&nongit_ok);
1527 git_config(git_imap_config, NULL);
1528
1529 if (!server.port)
1530 server.port = server.use_ssl ? 993 : 143;
1531
1532 if (!imap_folder) {
1533 fprintf(stderr, "no imap store specified\n");
1534 return 1;
1535 }
1536 if (!server.host) {
1537 if (!server.tunnel) {
1538 fprintf(stderr, "no imap host specified\n");
1539 return 1;
1540 }
1541 server.host = "tunnel";
1542 }
1543
1544 /* read the messages */
1545 if (!read_message(stdin, &all_msgs)) {
1546 fprintf(stderr, "nothing to send\n");
1547 return 1;
1548 }
1549
1550 total = count_messages(&all_msgs);
1551 if (!total) {
1552 fprintf(stderr, "no messages to send\n");
1553 return 1;
1554 }
1555
1556 /* write it to the imap server */
1557 ctx = imap_open_store(&server);
1558 if (!ctx) {
1559 fprintf(stderr, "failed to open store\n");
1560 return 1;
1561 }
1562
1563 fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : "");
1564 ctx->name = imap_folder;
1565 while (1) {
1566 unsigned percent = n * 100 / total;
1567 fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total);
1568 if (!split_msg(&all_msgs, &msg, &ofs))
1569 break;
1570 if (server.use_html)
1571 wrap_in_html(&msg);
1572 r = imap_store_msg(ctx, &msg);
1573 if (r != DRV_OK)
1574 break;
1575 n++;
1576 }
1577 fprintf(stderr, "\n");
1578
1579 imap_close_store(ctx);
1580
1581 return 0;
1582 }
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