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imap-send: move #ifdef around
[git/jnareb-git.git] / imap-send.c
blob94f53c2c1d41d13c0e276280f594a4ec98752fa3
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 #ifdef NO_OPENSSL
29 typedef void *SSL;
30 #else
31 #include <openssl/evp.h>
32 #include <openssl/hmac.h>
33 #endif
34
35 struct store_conf {
36 char *name;
37 const char *path; /* should this be here? its interpretation is driver-specific */
38 char *map_inbox;
39 char *trash;
40 unsigned max_size; /* off_t is overkill */
41 unsigned trash_remote_new:1, trash_only_new:1;
42 };
43
44 /* For message->status */
45 #define M_RECENT (1<<0) /* unsyncable flag; maildir_* depend on this being 1<<0 */
46 #define M_DEAD (1<<1) /* expunged */
47 #define M_FLAGS (1<<2) /* flags fetched */
48
49 struct message {
50 struct message *next;
51 size_t size; /* zero implies "not fetched" */
52 int uid;
53 unsigned char flags, status;
54 };
55
56 struct store {
57 struct store_conf *conf; /* foreign */
58
59 /* currently open mailbox */
60 const char *name; /* foreign! maybe preset? */
61 char *path; /* own */
62 struct message *msgs; /* own */
63 int uidvalidity;
64 unsigned char opts; /* maybe preset? */
65 /* note that the following do _not_ reflect stats from msgs, but mailbox totals */
66 int count; /* # of messages */
67 int recent; /* # of recent messages - don't trust this beyond the initial read */
68 };
69
70 struct msg_data {
71 char *data;
72 int len;
73 unsigned char flags;
74 };
75
76 static const char imap_send_usage[] = "git imap-send < <mbox>";
77
78 #undef DRV_OK
79 #define DRV_OK 0
80 #define DRV_MSG_BAD -1
81 #define DRV_BOX_BAD -2
82 #define DRV_STORE_BAD -3
83
84 static int Verbose, Quiet;
85
86 __attribute__((format (printf, 1, 2)))
87 static void imap_info(const char *, ...);
88 __attribute__((format (printf, 1, 2)))
89 static void imap_warn(const char *, ...);
90
91 static char *next_arg(char **);
92
93 static void free_generic_messages(struct message *);
94
95 __attribute__((format (printf, 3, 4)))
96 static int nfsnprintf(char *buf, int blen, const char *fmt, ...);
97
98 static int nfvasprintf(char **strp, const char *fmt, va_list ap)
99 {
100 int len;
101 char tmp[8192];
102
103 len = vsnprintf(tmp, sizeof(tmp), fmt, ap);
104 if (len < 0)
105 die("Fatal: Out of memory");
106 if (len >= sizeof(tmp))
107 die("imap command overflow!");
108 *strp = xmemdupz(tmp, len);
109 return len;
110 }
111
112 struct imap_server_conf {
113 char *name;
114 char *tunnel;
115 char *host;
116 int port;
117 char *user;
118 char *pass;
119 int use_ssl;
120 int ssl_verify;
121 int use_html;
122 char *auth_method;
123 };
124
125 static struct imap_server_conf server = {
126 NULL, /* name */
127 NULL, /* tunnel */
128 NULL, /* host */
129 0, /* port */
130 NULL, /* user */
131 NULL, /* pass */
132 0, /* use_ssl */
133 1, /* ssl_verify */
134 0, /* use_html */
135 NULL, /* auth_method */
136 };
137
138 struct imap_store_conf {
139 struct store_conf gen;
140 struct imap_server_conf *server;
141 unsigned use_namespace:1;
142 };
143
144 #define NIL (void *)0x1
145 #define LIST (void *)0x2
146
147 struct imap_list {
148 struct imap_list *next, *child;
149 char *val;
150 int len;
151 };
152
153 struct imap_socket {
154 int fd[2];
155 SSL *ssl;
156 };
157
158 struct imap_buffer {
159 struct imap_socket sock;
160 int bytes;
161 int offset;
162 char buf[1024];
163 };
164
165 struct imap_cmd;
166
167 struct imap {
168 int uidnext; /* from SELECT responses */
169 struct imap_list *ns_personal, *ns_other, *ns_shared; /* NAMESPACE info */
170 unsigned caps, rcaps; /* CAPABILITY results */
171 /* command queue */
172 int nexttag, num_in_progress, literal_pending;
173 struct imap_cmd *in_progress, **in_progress_append;
174 struct imap_buffer buf; /* this is BIG, so put it last */
175 };
176
177 struct imap_store {
178 struct store gen;
179 int uidvalidity;
180 struct imap *imap;
181 const char *prefix;
182 unsigned /*currentnc:1,*/ trashnc:1;
183 };
184
185 struct imap_cmd_cb {
186 int (*cont)(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt);
187 void (*done)(struct imap_store *ctx, struct imap_cmd *cmd, int response);
188 void *ctx;
189 char *data;
190 int dlen;
191 int uid;
192 unsigned create:1, trycreate:1;
193 };
194
195 struct imap_cmd {
196 struct imap_cmd *next;
197 struct imap_cmd_cb cb;
198 char *cmd;
199 int tag;
200 };
201
202 #define CAP(cap) (imap->caps & (1 << (cap)))
203
204 enum CAPABILITY {
205 NOLOGIN = 0,
206 UIDPLUS,
207 LITERALPLUS,
208 NAMESPACE,
209 STARTTLS,
210 AUTH_CRAM_MD5
211 };
212
213 static const char *cap_list[] = {
214 "LOGINDISABLED",
215 "UIDPLUS",
216 "LITERAL+",
217 "NAMESPACE",
218 "STARTTLS",
219 "AUTH=CRAM-MD5",
220 };
221
222 #define RESP_OK 0
223 #define RESP_NO 1
224 #define RESP_BAD 2
225
226 static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd);
227
228
229 static const char *Flags[] = {
230 "Draft",
231 "Flagged",
232 "Answered",
233 "Seen",
234 "Deleted",
235 };
236
237 #ifndef NO_OPENSSL
238 static void ssl_socket_perror(const char *func)
239 {
240 fprintf(stderr, "%s: %s\n", func, ERR_error_string(ERR_get_error(), NULL));
241 }
242 #endif
243
244 static void socket_perror(const char *func, struct imap_socket *sock, int ret)
245 {
246 #ifndef NO_OPENSSL
247 if (sock->ssl) {
248 int sslerr = SSL_get_error(sock->ssl, ret);
249 switch (sslerr) {
250 case SSL_ERROR_NONE:
251 break;
252 case SSL_ERROR_SYSCALL:
253 perror("SSL_connect");
254 break;
255 default:
256 ssl_socket_perror("SSL_connect");
257 break;
258 }
259 } else
260 #endif
261 {
262 if (ret < 0)
263 perror(func);
264 else
265 fprintf(stderr, "%s: unexpected EOF\n", func);
266 }
267 }
268
269 #ifdef NO_OPENSSL
270 static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int verify)
271 {
272 fprintf(stderr, "SSL requested but SSL support not compiled in\n");
273 return -1;
274 }
275
276 #else
277
278 static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int verify)
279 {
280 #if (OPENSSL_VERSION_NUMBER >= 0x10000000L)
281 const SSL_METHOD *meth;
282 #else
283 SSL_METHOD *meth;
284 #endif
285 SSL_CTX *ctx;
286 int ret;
287
288 SSL_library_init();
289 SSL_load_error_strings();
290
291 if (use_tls_only)
292 meth = TLSv1_method();
293 else
294 meth = SSLv23_method();
295
296 if (!meth) {
297 ssl_socket_perror("SSLv23_method");
298 return -1;
299 }
300
301 ctx = SSL_CTX_new(meth);
302
303 if (verify)
304 SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
305
306 if (!SSL_CTX_set_default_verify_paths(ctx)) {
307 ssl_socket_perror("SSL_CTX_set_default_verify_paths");
308 return -1;
309 }
310 sock->ssl = SSL_new(ctx);
311 if (!sock->ssl) {
312 ssl_socket_perror("SSL_new");
313 return -1;
314 }
315 if (!SSL_set_rfd(sock->ssl, sock->fd[0])) {
316 ssl_socket_perror("SSL_set_rfd");
317 return -1;
318 }
319 if (!SSL_set_wfd(sock->ssl, sock->fd[1])) {
320 ssl_socket_perror("SSL_set_wfd");
321 return -1;
322 }
323
324 ret = SSL_connect(sock->ssl);
325 if (ret <= 0) {
326 socket_perror("SSL_connect", sock, ret);
327 return -1;
328 }
329
330 return 0;
331 }
332 #endif
333
334 static int socket_read(struct imap_socket *sock, char *buf, int len)
335 {
336 ssize_t n;
337 #ifndef NO_OPENSSL
338 if (sock->ssl)
339 n = SSL_read(sock->ssl, buf, len);
340 else
341 #endif
342 n = xread(sock->fd[0], buf, len);
343 if (n <= 0) {
344 socket_perror("read", sock, n);
345 close(sock->fd[0]);
346 close(sock->fd[1]);
347 sock->fd[0] = sock->fd[1] = -1;
348 }
349 return n;
350 }
351
352 static int socket_write(struct imap_socket *sock, const char *buf, int len)
353 {
354 int n;
355 #ifndef NO_OPENSSL
356 if (sock->ssl)
357 n = SSL_write(sock->ssl, buf, len);
358 else
359 #endif
360 n = write_in_full(sock->fd[1], buf, len);
361 if (n != len) {
362 socket_perror("write", sock, n);
363 close(sock->fd[0]);
364 close(sock->fd[1]);
365 sock->fd[0] = sock->fd[1] = -1;
366 }
367 return n;
368 }
369
370 static void socket_shutdown(struct imap_socket *sock)
371 {
372 #ifndef NO_OPENSSL
373 if (sock->ssl) {
374 SSL_shutdown(sock->ssl);
375 SSL_free(sock->ssl);
376 }
377 #endif
378 close(sock->fd[0]);
379 close(sock->fd[1]);
380 }
381
382 /* simple line buffering */
383 static int buffer_gets(struct imap_buffer *b, char **s)
384 {
385 int n;
386 int start = b->offset;
387
388 *s = b->buf + start;
389
390 for (;;) {
391 /* make sure we have enough data to read the \r\n sequence */
392 if (b->offset + 1 >= b->bytes) {
393 if (start) {
394 /* shift down used bytes */
395 *s = b->buf;
396
397 assert(start <= b->bytes);
398 n = b->bytes - start;
399
400 if (n)
401 memmove(b->buf, b->buf + start, n);
402 b->offset -= start;
403 b->bytes = n;
404 start = 0;
405 }
406
407 n = socket_read(&b->sock, b->buf + b->bytes,
408 sizeof(b->buf) - b->bytes);
409
410 if (n <= 0)
411 return -1;
412
413 b->bytes += n;
414 }
415
416 if (b->buf[b->offset] == '\r') {
417 assert(b->offset + 1 < b->bytes);
418 if (b->buf[b->offset + 1] == '\n') {
419 b->buf[b->offset] = 0; /* terminate the string */
420 b->offset += 2; /* next line */
421 if (Verbose)
422 puts(*s);
423 return 0;
424 }
425 }
426
427 b->offset++;
428 }
429 /* not reached */
430 }
431
432 static void imap_info(const char *msg, ...)
433 {
434 va_list va;
435
436 if (!Quiet) {
437 va_start(va, msg);
438 vprintf(msg, va);
439 va_end(va);
440 fflush(stdout);
441 }
442 }
443
444 static void imap_warn(const char *msg, ...)
445 {
446 va_list va;
447
448 if (Quiet < 2) {
449 va_start(va, msg);
450 vfprintf(stderr, msg, va);
451 va_end(va);
452 }
453 }
454
455 static char *next_arg(char **s)
456 {
457 char *ret;
458
459 if (!s || !*s)
460 return NULL;
461 while (isspace((unsigned char) **s))
462 (*s)++;
463 if (!**s) {
464 *s = NULL;
465 return NULL;
466 }
467 if (**s == '"') {
468 ++*s;
469 ret = *s;
470 *s = strchr(*s, '"');
471 } else {
472 ret = *s;
473 while (**s && !isspace((unsigned char) **s))
474 (*s)++;
475 }
476 if (*s) {
477 if (**s)
478 *(*s)++ = 0;
479 if (!**s)
480 *s = NULL;
481 }
482 return ret;
483 }
484
485 static void free_generic_messages(struct message *msgs)
486 {
487 struct message *tmsg;
488
489 for (; msgs; msgs = tmsg) {
490 tmsg = msgs->next;
491 free(msgs);
492 }
493 }
494
495 static int nfsnprintf(char *buf, int blen, const char *fmt, ...)
496 {
497 int ret;
498 va_list va;
499
500 va_start(va, fmt);
501 if (blen <= 0 || (unsigned)(ret = vsnprintf(buf, blen, fmt, va)) >= (unsigned)blen)
502 die("Fatal: buffer too small. Please report a bug.");
503 va_end(va);
504 return ret;
505 }
506
507 static struct imap_cmd *v_issue_imap_cmd(struct imap_store *ctx,
508 struct imap_cmd_cb *cb,
509 const char *fmt, va_list ap)
510 {
511 struct imap *imap = ctx->imap;
512 struct imap_cmd *cmd;
513 int n, bufl;
514 char buf[1024];
515
516 cmd = xmalloc(sizeof(struct imap_cmd));
517 nfvasprintf(&cmd->cmd, fmt, ap);
518 cmd->tag = ++imap->nexttag;
519
520 if (cb)
521 cmd->cb = *cb;
522 else
523 memset(&cmd->cb, 0, sizeof(cmd->cb));
524
525 while (imap->literal_pending)
526 get_cmd_result(ctx, NULL);
527
528 if (!cmd->cb.data)
529 bufl = nfsnprintf(buf, sizeof(buf), "%d %s\r\n", cmd->tag, cmd->cmd);
530 else
531 bufl = nfsnprintf(buf, sizeof(buf), "%d %s{%d%s}\r\n",
532 cmd->tag, cmd->cmd, cmd->cb.dlen,
533 CAP(LITERALPLUS) ? "+" : "");
534
535 if (Verbose) {
536 if (imap->num_in_progress)
537 printf("(%d in progress) ", imap->num_in_progress);
538 if (memcmp(cmd->cmd, "LOGIN", 5))
539 printf(">>> %s", buf);
540 else
541 printf(">>> %d LOGIN <user> <pass>\n", cmd->tag);
542 }
543 if (socket_write(&imap->buf.sock, buf, bufl) != bufl) {
544 free(cmd->cmd);
545 free(cmd);
546 if (cb)
547 free(cb->data);
548 return NULL;
549 }
550 if (cmd->cb.data) {
551 if (CAP(LITERALPLUS)) {
552 n = socket_write(&imap->buf.sock, cmd->cb.data, cmd->cb.dlen);
553 free(cmd->cb.data);
554 if (n != cmd->cb.dlen ||
555 socket_write(&imap->buf.sock, "\r\n", 2) != 2) {
556 free(cmd->cmd);
557 free(cmd);
558 return NULL;
559 }
560 cmd->cb.data = NULL;
561 } else
562 imap->literal_pending = 1;
563 } else if (cmd->cb.cont)
564 imap->literal_pending = 1;
565 cmd->next = NULL;
566 *imap->in_progress_append = cmd;
567 imap->in_progress_append = &cmd->next;
568 imap->num_in_progress++;
569 return cmd;
570 }
571
572 __attribute__((format (printf, 3, 4)))
573 static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx,
574 struct imap_cmd_cb *cb,
575 const char *fmt, ...)
576 {
577 struct imap_cmd *ret;
578 va_list ap;
579
580 va_start(ap, fmt);
581 ret = v_issue_imap_cmd(ctx, cb, fmt, ap);
582 va_end(ap);
583 return ret;
584 }
585
586 __attribute__((format (printf, 3, 4)))
587 static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb,
588 const char *fmt, ...)
589 {
590 va_list ap;
591 struct imap_cmd *cmdp;
592
593 va_start(ap, fmt);
594 cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
595 va_end(ap);
596 if (!cmdp)
597 return RESP_BAD;
598
599 return get_cmd_result(ctx, cmdp);
600 }
601
602 __attribute__((format (printf, 3, 4)))
603 static int imap_exec_m(struct imap_store *ctx, struct imap_cmd_cb *cb,
604 const char *fmt, ...)
605 {
606 va_list ap;
607 struct imap_cmd *cmdp;
608
609 va_start(ap, fmt);
610 cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
611 va_end(ap);
612 if (!cmdp)
613 return DRV_STORE_BAD;
614
615 switch (get_cmd_result(ctx, cmdp)) {
616 case RESP_BAD: return DRV_STORE_BAD;
617 case RESP_NO: return DRV_MSG_BAD;
618 default: return DRV_OK;
619 }
620 }
621
622 static int is_atom(struct imap_list *list)
623 {
624 return list && list->val && list->val != NIL && list->val != LIST;
625 }
626
627 static int is_list(struct imap_list *list)
628 {
629 return list && list->val == LIST;
630 }
631
632 static void free_list(struct imap_list *list)
633 {
634 struct imap_list *tmp;
635
636 for (; list; list = tmp) {
637 tmp = list->next;
638 if (is_list(list))
639 free_list(list->child);
640 else if (is_atom(list))
641 free(list->val);
642 free(list);
643 }
644 }
645
646 static int parse_imap_list_l(struct imap *imap, char **sp, struct imap_list **curp, int level)
647 {
648 struct imap_list *cur;
649 char *s = *sp, *p;
650 int n, bytes;
651
652 for (;;) {
653 while (isspace((unsigned char)*s))
654 s++;
655 if (level && *s == ')') {
656 s++;
657 break;
658 }
659 *curp = cur = xmalloc(sizeof(*cur));
660 curp = &cur->next;
661 cur->val = NULL; /* for clean bail */
662 if (*s == '(') {
663 /* sublist */
664 s++;
665 cur->val = LIST;
666 if (parse_imap_list_l(imap, &s, &cur->child, level + 1))
667 goto bail;
668 } else if (imap && *s == '{') {
669 /* literal */
670 bytes = cur->len = strtol(s + 1, &s, 10);
671 if (*s != '}')
672 goto bail;
673
674 s = cur->val = xmalloc(cur->len);
675
676 /* dump whats left over in the input buffer */
677 n = imap->buf.bytes - imap->buf.offset;
678
679 if (n > bytes)
680 /* the entire message fit in the buffer */
681 n = bytes;
682
683 memcpy(s, imap->buf.buf + imap->buf.offset, n);
684 s += n;
685 bytes -= n;
686
687 /* mark that we used part of the buffer */
688 imap->buf.offset += n;
689
690 /* now read the rest of the message */
691 while (bytes > 0) {
692 if ((n = socket_read(&imap->buf.sock, s, bytes)) <= 0)
693 goto bail;
694 s += n;
695 bytes -= n;
696 }
697
698 if (buffer_gets(&imap->buf, &s))
699 goto bail;
700 } else if (*s == '"') {
701 /* quoted string */
702 s++;
703 p = s;
704 for (; *s != '"'; s++)
705 if (!*s)
706 goto bail;
707 cur->len = s - p;
708 s++;
709 cur->val = xmemdupz(p, cur->len);
710 } else {
711 /* atom */
712 p = s;
713 for (; *s && !isspace((unsigned char)*s); s++)
714 if (level && *s == ')')
715 break;
716 cur->len = s - p;
717 if (cur->len == 3 && !memcmp("NIL", p, 3))
718 cur->val = NIL;
719 else
720 cur->val = xmemdupz(p, cur->len);
721 }
722
723 if (!level)
724 break;
725 if (!*s)
726 goto bail;
727 }
728 *sp = s;
729 *curp = NULL;
730 return 0;
731
732 bail:
733 *curp = NULL;
734 return -1;
735 }
736
737 static struct imap_list *parse_imap_list(struct imap *imap, char **sp)
738 {
739 struct imap_list *head;
740
741 if (!parse_imap_list_l(imap, sp, &head, 0))
742 return head;
743 free_list(head);
744 return NULL;
745 }
746
747 static struct imap_list *parse_list(char **sp)
748 {
749 return parse_imap_list(NULL, sp);
750 }
751
752 static void parse_capability(struct imap *imap, char *cmd)
753 {
754 char *arg;
755 unsigned i;
756
757 imap->caps = 0x80000000;
758 while ((arg = next_arg(&cmd)))
759 for (i = 0; i < ARRAY_SIZE(cap_list); i++)
760 if (!strcmp(cap_list[i], arg))
761 imap->caps |= 1 << i;
762 imap->rcaps = imap->caps;
763 }
764
765 static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb,
766 char *s)
767 {
768 struct imap *imap = ctx->imap;
769 char *arg, *p;
770
771 if (*s != '[')
772 return RESP_OK; /* no response code */
773 s++;
774 if (!(p = strchr(s, ']'))) {
775 fprintf(stderr, "IMAP error: malformed response code\n");
776 return RESP_BAD;
777 }
778 *p++ = 0;
779 arg = next_arg(&s);
780 if (!strcmp("UIDVALIDITY", arg)) {
781 if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg))) {
782 fprintf(stderr, "IMAP error: malformed UIDVALIDITY status\n");
783 return RESP_BAD;
784 }
785 } else if (!strcmp("UIDNEXT", arg)) {
786 if (!(arg = next_arg(&s)) || !(imap->uidnext = atoi(arg))) {
787 fprintf(stderr, "IMAP error: malformed NEXTUID status\n");
788 return RESP_BAD;
789 }
790 } else if (!strcmp("CAPABILITY", arg)) {
791 parse_capability(imap, s);
792 } else if (!strcmp("ALERT", arg)) {
793 /* RFC2060 says that these messages MUST be displayed
794 * to the user
795 */
796 for (; isspace((unsigned char)*p); p++);
797 fprintf(stderr, "*** IMAP ALERT *** %s\n", p);
798 } else if (cb && cb->ctx && !strcmp("APPENDUID", arg)) {
799 if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg)) ||
800 !(arg = next_arg(&s)) || !(*(int *)cb->ctx = atoi(arg))) {
801 fprintf(stderr, "IMAP error: malformed APPENDUID status\n");
802 return RESP_BAD;
803 }
804 }
805 return RESP_OK;
806 }
807
808 static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd)
809 {
810 struct imap *imap = ctx->imap;
811 struct imap_cmd *cmdp, **pcmdp, *ncmdp;
812 char *cmd, *arg, *arg1, *p;
813 int n, resp, resp2, tag;
814
815 for (;;) {
816 if (buffer_gets(&imap->buf, &cmd))
817 return RESP_BAD;
818
819 arg = next_arg(&cmd);
820 if (*arg == '*') {
821 arg = next_arg(&cmd);
822 if (!arg) {
823 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
824 return RESP_BAD;
825 }
826
827 if (!strcmp("NAMESPACE", arg)) {
828 imap->ns_personal = parse_list(&cmd);
829 imap->ns_other = parse_list(&cmd);
830 imap->ns_shared = parse_list(&cmd);
831 } else if (!strcmp("OK", arg) || !strcmp("BAD", arg) ||
832 !strcmp("NO", arg) || !strcmp("BYE", arg)) {
833 if ((resp = parse_response_code(ctx, NULL, cmd)) != RESP_OK)
834 return resp;
835 } else if (!strcmp("CAPABILITY", arg))
836 parse_capability(imap, cmd);
837 else if ((arg1 = next_arg(&cmd))) {
838 if (!strcmp("EXISTS", arg1))
839 ctx->gen.count = atoi(arg);
840 else if (!strcmp("RECENT", arg1))
841 ctx->gen.recent = atoi(arg);
842 } else {
843 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
844 return RESP_BAD;
845 }
846 } else if (!imap->in_progress) {
847 fprintf(stderr, "IMAP error: unexpected reply: %s %s\n", arg, cmd ? cmd : "");
848 return RESP_BAD;
849 } else if (*arg == '+') {
850 /* This can happen only with the last command underway, as
851 it enforces a round-trip. */
852 cmdp = (struct imap_cmd *)((char *)imap->in_progress_append -
853 offsetof(struct imap_cmd, next));
854 if (cmdp->cb.data) {
855 n = socket_write(&imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen);
856 free(cmdp->cb.data);
857 cmdp->cb.data = NULL;
858 if (n != (int)cmdp->cb.dlen)
859 return RESP_BAD;
860 } else if (cmdp->cb.cont) {
861 if (cmdp->cb.cont(ctx, cmdp, cmd))
862 return RESP_BAD;
863 } else {
864 fprintf(stderr, "IMAP error: unexpected command continuation request\n");
865 return RESP_BAD;
866 }
867 if (socket_write(&imap->buf.sock, "\r\n", 2) != 2)
868 return RESP_BAD;
869 if (!cmdp->cb.cont)
870 imap->literal_pending = 0;
871 if (!tcmd)
872 return DRV_OK;
873 } else {
874 tag = atoi(arg);
875 for (pcmdp = &imap->in_progress; (cmdp = *pcmdp); pcmdp = &cmdp->next)
876 if (cmdp->tag == tag)
877 goto gottag;
878 fprintf(stderr, "IMAP error: unexpected tag %s\n", arg);
879 return RESP_BAD;
880 gottag:
881 if (!(*pcmdp = cmdp->next))
882 imap->in_progress_append = pcmdp;
883 imap->num_in_progress--;
884 if (cmdp->cb.cont || cmdp->cb.data)
885 imap->literal_pending = 0;
886 arg = next_arg(&cmd);
887 if (!strcmp("OK", arg))
888 resp = DRV_OK;
889 else {
890 if (!strcmp("NO", arg)) {
891 if (cmdp->cb.create && cmd && (cmdp->cb.trycreate || !memcmp(cmd, "[TRYCREATE]", 11))) { /* SELECT, APPEND or UID COPY */
892 p = strchr(cmdp->cmd, '"');
893 if (!issue_imap_cmd(ctx, NULL, "CREATE \"%.*s\"", (int)(strchr(p + 1, '"') - p + 1), p)) {
894 resp = RESP_BAD;
895 goto normal;
896 }
897 /* not waiting here violates the spec, but a server that does not
898 grok this nonetheless violates it too. */
899 cmdp->cb.create = 0;
900 if (!(ncmdp = issue_imap_cmd(ctx, &cmdp->cb, "%s", cmdp->cmd))) {
901 resp = RESP_BAD;
902 goto normal;
903 }
904 free(cmdp->cmd);
905 free(cmdp);
906 if (!tcmd)
907 return 0; /* ignored */
908 if (cmdp == tcmd)
909 tcmd = ncmdp;
910 continue;
911 }
912 resp = RESP_NO;
913 } else /*if (!strcmp("BAD", arg))*/
914 resp = RESP_BAD;
915 fprintf(stderr, "IMAP command '%s' returned response (%s) - %s\n",
916 memcmp(cmdp->cmd, "LOGIN", 5) ?
917 cmdp->cmd : "LOGIN <user> <pass>",
918 arg, cmd ? cmd : "");
919 }
920 if ((resp2 = parse_response_code(ctx, &cmdp->cb, cmd)) > resp)
921 resp = resp2;
922 normal:
923 if (cmdp->cb.done)
924 cmdp->cb.done(ctx, cmdp, resp);
925 free(cmdp->cb.data);
926 free(cmdp->cmd);
927 free(cmdp);
928 if (!tcmd || tcmd == cmdp)
929 return resp;
930 }
931 }
932 /* not reached */
933 }
934
935 static void imap_close_server(struct imap_store *ictx)
936 {
937 struct imap *imap = ictx->imap;
938
939 if (imap->buf.sock.fd[0] != -1) {
940 imap_exec(ictx, NULL, "LOGOUT");
941 socket_shutdown(&imap->buf.sock);
942 }
943 free_list(imap->ns_personal);
944 free_list(imap->ns_other);
945 free_list(imap->ns_shared);
946 free(imap);
947 }
948
949 static void imap_close_store(struct store *ctx)
950 {
951 imap_close_server((struct imap_store *)ctx);
952 free_generic_messages(ctx->msgs);
953 free(ctx);
954 }
955
956 #ifndef NO_OPENSSL
957
958 /*
959 * hexchar() and cram() functions are based on the code from the isync
960 * project (http://isync.sf.net/).
961 */
962 static char hexchar(unsigned int b)
963 {
964 return b < 10 ? '0' + b : 'a' + (b - 10);
965 }
966
967 #define ENCODED_SIZE(n) (4*((n+2)/3))
968 static char *cram(const char *challenge_64, const char *user, const char *pass)
969 {
970 int i, resp_len, encoded_len, decoded_len;
971 HMAC_CTX hmac;
972 unsigned char hash[16];
973 char hex[33];
974 char *response, *response_64, *challenge;
975
976 /*
977 * length of challenge_64 (i.e. base-64 encoded string) is a good
978 * enough upper bound for challenge (decoded result).
979 */
980 encoded_len = strlen(challenge_64);
981 challenge = xmalloc(encoded_len);
982 decoded_len = EVP_DecodeBlock((unsigned char *)challenge,
983 (unsigned char *)challenge_64, encoded_len);
984 if (decoded_len < 0)
985 die("invalid challenge %s", challenge_64);
986 HMAC_Init(&hmac, (unsigned char *)pass, strlen(pass), EVP_md5());
987 HMAC_Update(&hmac, (unsigned char *)challenge, decoded_len);
988 HMAC_Final(&hmac, hash, NULL);
989 HMAC_CTX_cleanup(&hmac);
990
991 hex[32] = 0;
992 for (i = 0; i < 16; i++) {
993 hex[2 * i] = hexchar((hash[i] >> 4) & 0xf);
994 hex[2 * i + 1] = hexchar(hash[i] & 0xf);
995 }
996
997 /* response: "<user> <digest in hex>" */
998 resp_len = strlen(user) + 1 + strlen(hex) + 1;
999 response = xmalloc(resp_len);
1000 sprintf(response, "%s %s", user, hex);
1001
1002 response_64 = xmalloc(ENCODED_SIZE(resp_len) + 1);
1003 encoded_len = EVP_EncodeBlock((unsigned char *)response_64,
1004 (unsigned char *)response, resp_len);
1005 if (encoded_len < 0)
1006 die("EVP_EncodeBlock error");
1007 response_64[encoded_len] = '\0';
1008 return (char *)response_64;
1009 }
1010
1011 #else
1012
1013 static char *cram(const char *challenge_64, const char *user, const char *pass)
1014 {
1015 die("If you want to use CRAM-MD5 authenticate method, "
1016 "you have to build git-imap-send with OpenSSL library.");
1017 }
1018
1019 #endif
1020
1021 static int auth_cram_md5(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt)
1022 {
1023 int ret;
1024 char *response;
1025
1026 response = cram(prompt, server.user, server.pass);
1027
1028 ret = socket_write(&ctx->imap->buf.sock, response, strlen(response));
1029 if (ret != strlen(response))
1030 return error("IMAP error: sending response failed\n");
1031
1032 free(response);
1033
1034 return 0;
1035 }
1036
1037 static struct store *imap_open_store(struct imap_server_conf *srvc)
1038 {
1039 struct imap_store *ctx;
1040 struct imap *imap;
1041 char *arg, *rsp;
1042 int s = -1, preauth;
1043
1044 ctx = xcalloc(sizeof(*ctx), 1);
1045
1046 ctx->imap = imap = xcalloc(sizeof(*imap), 1);
1047 imap->buf.sock.fd[0] = imap->buf.sock.fd[1] = -1;
1048 imap->in_progress_append = &imap->in_progress;
1049
1050 /* open connection to IMAP server */
1051
1052 if (srvc->tunnel) {
1053 const char *argv[] = { srvc->tunnel, NULL };
1054 struct child_process tunnel = {NULL};
1055
1056 imap_info("Starting tunnel '%s'... ", srvc->tunnel);
1057
1058 tunnel.argv = argv;
1059 tunnel.use_shell = 1;
1060 tunnel.in = -1;
1061 tunnel.out = -1;
1062 if (start_command(&tunnel))
1063 die("cannot start proxy %s", argv[0]);
1064
1065 imap->buf.sock.fd[0] = tunnel.out;
1066 imap->buf.sock.fd[1] = tunnel.in;
1067
1068 imap_info("ok\n");
1069 } else {
1070 #ifndef NO_IPV6
1071 struct addrinfo hints, *ai0, *ai;
1072 int gai;
1073 char portstr[6];
1074
1075 snprintf(portstr, sizeof(portstr), "%d", srvc->port);
1076
1077 memset(&hints, 0, sizeof(hints));
1078 hints.ai_socktype = SOCK_STREAM;
1079 hints.ai_protocol = IPPROTO_TCP;
1080
1081 imap_info("Resolving %s... ", srvc->host);
1082 gai = getaddrinfo(srvc->host, portstr, &hints, &ai);
1083 if (gai) {
1084 fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(gai));
1085 goto bail;
1086 }
1087 imap_info("ok\n");
1088
1089 for (ai0 = ai; ai; ai = ai->ai_next) {
1090 char addr[NI_MAXHOST];
1091
1092 s = socket(ai->ai_family, ai->ai_socktype,
1093 ai->ai_protocol);
1094 if (s < 0)
1095 continue;
1096
1097 getnameinfo(ai->ai_addr, ai->ai_addrlen, addr,
1098 sizeof(addr), NULL, 0, NI_NUMERICHOST);
1099 imap_info("Connecting to [%s]:%s... ", addr, portstr);
1100
1101 if (connect(s, ai->ai_addr, ai->ai_addrlen) < 0) {
1102 close(s);
1103 s = -1;
1104 perror("connect");
1105 continue;
1106 }
1107
1108 break;
1109 }
1110 freeaddrinfo(ai0);
1111 #else /* NO_IPV6 */
1112 struct hostent *he;
1113 struct sockaddr_in addr;
1114
1115 memset(&addr, 0, sizeof(addr));
1116 addr.sin_port = htons(srvc->port);
1117 addr.sin_family = AF_INET;
1118
1119 imap_info("Resolving %s... ", srvc->host);
1120 he = gethostbyname(srvc->host);
1121 if (!he) {
1122 perror("gethostbyname");
1123 goto bail;
1124 }
1125 imap_info("ok\n");
1126
1127 addr.sin_addr.s_addr = *((int *) he->h_addr_list[0]);
1128
1129 s = socket(PF_INET, SOCK_STREAM, 0);
1130
1131 imap_info("Connecting to %s:%hu... ", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port));
1132 if (connect(s, (struct sockaddr *)&addr, sizeof(addr))) {
1133 close(s);
1134 s = -1;
1135 perror("connect");
1136 }
1137 #endif
1138 if (s < 0) {
1139 fputs("Error: unable to connect to server.\n", stderr);
1140 goto bail;
1141 }
1142
1143 imap->buf.sock.fd[0] = s;
1144 imap->buf.sock.fd[1] = dup(s);
1145
1146 if (srvc->use_ssl &&
1147 ssl_socket_connect(&imap->buf.sock, 0, srvc->ssl_verify)) {
1148 close(s);
1149 goto bail;
1150 }
1151 imap_info("ok\n");
1152 }
1153
1154 /* read the greeting string */
1155 if (buffer_gets(&imap->buf, &rsp)) {
1156 fprintf(stderr, "IMAP error: no greeting response\n");
1157 goto bail;
1158 }
1159 arg = next_arg(&rsp);
1160 if (!arg || *arg != '*' || (arg = next_arg(&rsp)) == NULL) {
1161 fprintf(stderr, "IMAP error: invalid greeting response\n");
1162 goto bail;
1163 }
1164 preauth = 0;
1165 if (!strcmp("PREAUTH", arg))
1166 preauth = 1;
1167 else if (strcmp("OK", arg) != 0) {
1168 fprintf(stderr, "IMAP error: unknown greeting response\n");
1169 goto bail;
1170 }
1171 parse_response_code(ctx, NULL, rsp);
1172 if (!imap->caps && imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK)
1173 goto bail;
1174
1175 if (!preauth) {
1176 #ifndef NO_OPENSSL
1177 if (!srvc->use_ssl && CAP(STARTTLS)) {
1178 if (imap_exec(ctx, NULL, "STARTTLS") != RESP_OK)
1179 goto bail;
1180 if (ssl_socket_connect(&imap->buf.sock, 1,
1181 srvc->ssl_verify))
1182 goto bail;
1183 /* capabilities may have changed, so get the new capabilities */
1184 if (imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK)
1185 goto bail;
1186 }
1187 #endif
1188 imap_info("Logging in...\n");
1189 if (!srvc->user) {
1190 fprintf(stderr, "Skipping server %s, no user\n", srvc->host);
1191 goto bail;
1192 }
1193 if (!srvc->pass) {
1194 char prompt[80];
1195 sprintf(prompt, "Password (%s@%s): ", srvc->user, srvc->host);
1196 arg = git_getpass(prompt);
1197 if (!arg) {
1198 perror("getpass");
1199 exit(1);
1200 }
1201 if (!*arg) {
1202 fprintf(stderr, "Skipping account %s@%s, no password\n", srvc->user, srvc->host);
1203 goto bail;
1204 }
1205 /*
1206 * getpass() returns a pointer to a static buffer. make a copy
1207 * for long term storage.
1208 */
1209 srvc->pass = xstrdup(arg);
1210 }
1211 if (CAP(NOLOGIN)) {
1212 fprintf(stderr, "Skipping account %s@%s, server forbids LOGIN\n", srvc->user, srvc->host);
1213 goto bail;
1214 }
1215
1216 if (srvc->auth_method) {
1217 struct imap_cmd_cb cb;
1218
1219 if (!strcmp(srvc->auth_method, "CRAM-MD5")) {
1220 if (!CAP(AUTH_CRAM_MD5)) {
1221 fprintf(stderr, "You specified"
1222 "CRAM-MD5 as authentication method, "
1223 "but %s doesn't support it.\n", srvc->host);
1224 goto bail;
1225 }
1226 /* CRAM-MD5 */
1227
1228 memset(&cb, 0, sizeof(cb));
1229 cb.cont = auth_cram_md5;
1230 if (imap_exec(ctx, &cb, "AUTHENTICATE CRAM-MD5") != RESP_OK) {
1231 fprintf(stderr, "IMAP error: AUTHENTICATE CRAM-MD5 failed\n");
1232 goto bail;
1233 }
1234 } else {
1235 fprintf(stderr, "Unknown authentication method:%s\n", srvc->host);
1236 goto bail;
1237 }
1238 } else {
1239 if (!imap->buf.sock.ssl)
1240 imap_warn("*** IMAP Warning *** Password is being "
1241 "sent in the clear\n");
1242 if (imap_exec(ctx, NULL, "LOGIN \"%s\" \"%s\"", srvc->user, srvc->pass) != RESP_OK) {
1243 fprintf(stderr, "IMAP error: LOGIN failed\n");
1244 goto bail;
1245 }
1246 }
1247 } /* !preauth */
1248
1249 ctx->prefix = "";
1250 ctx->trashnc = 1;
1251 return (struct store *)ctx;
1252
1253 bail:
1254 imap_close_store(&ctx->gen);
1255 return NULL;
1256 }
1257
1258 static int imap_make_flags(int flags, char *buf)
1259 {
1260 const char *s;
1261 unsigned i, d;
1262
1263 for (i = d = 0; i < ARRAY_SIZE(Flags); i++)
1264 if (flags & (1 << i)) {
1265 buf[d++] = ' ';
1266 buf[d++] = '\\';
1267 for (s = Flags[i]; *s; s++)
1268 buf[d++] = *s;
1269 }
1270 buf[0] = '(';
1271 buf[d++] = ')';
1272 return d;
1273 }
1274
1275 static void lf_to_crlf(struct msg_data *msg)
1276 {
1277 char *new;
1278 int i, j, lfnum = 0;
1279
1280 if (msg->data[0] == '\n')
1281 lfnum++;
1282 for (i = 1; i < msg->len; i++) {
1283 if (msg->data[i - 1] != '\r' && msg->data[i] == '\n')
1284 lfnum++;
1285 }
1286
1287 new = xmalloc(msg->len + lfnum);
1288 if (msg->data[0] == '\n') {
1289 new[0] = '\r';
1290 new[1] = '\n';
1291 i = 1;
1292 j = 2;
1293 } else {
1294 new[0] = msg->data[0];
1295 i = 1;
1296 j = 1;
1297 }
1298 for ( ; i < msg->len; i++) {
1299 if (msg->data[i] != '\n') {
1300 new[j++] = msg->data[i];
1301 continue;
1302 }
1303 if (msg->data[i - 1] != '\r')
1304 new[j++] = '\r';
1305 /* otherwise it already had CR before */
1306 new[j++] = '\n';
1307 }
1308 msg->len += lfnum;
1309 free(msg->data);
1310 msg->data = new;
1311 }
1312
1313 static int imap_store_msg(struct store *gctx, struct msg_data *data)
1314 {
1315 struct imap_store *ctx = (struct imap_store *)gctx;
1316 struct imap *imap = ctx->imap;
1317 struct imap_cmd_cb cb;
1318 const char *prefix, *box;
1319 int ret, d;
1320 char flagstr[128];
1321
1322 lf_to_crlf(data);
1323 memset(&cb, 0, sizeof(cb));
1324
1325 cb.dlen = data->len;
1326 cb.data = xmalloc(cb.dlen);
1327 memcpy(cb.data, data->data, data->len);
1328
1329 d = 0;
1330 if (data->flags) {
1331 d = imap_make_flags(data->flags, flagstr);
1332 flagstr[d++] = ' ';
1333 }
1334 flagstr[d] = 0;
1335
1336 box = gctx->name;
1337 prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix;
1338 cb.create = 0;
1339 ret = imap_exec_m(ctx, &cb, "APPEND \"%s%s\" %s", prefix, box, flagstr);
1340 imap->caps = imap->rcaps;
1341 if (ret != DRV_OK)
1342 return ret;
1343 gctx->count++;
1344
1345 return DRV_OK;
1346 }
1347
1348 static void encode_html_chars(struct strbuf *p)
1349 {
1350 int i;
1351 for (i = 0; i < p->len; i++) {
1352 if (p->buf[i] == '&')
1353 strbuf_splice(p, i, 1, "&amp;", 5);
1354 if (p->buf[i] == '<')
1355 strbuf_splice(p, i, 1, "&lt;", 4);
1356 if (p->buf[i] == '>')
1357 strbuf_splice(p, i, 1, "&gt;", 4);
1358 if (p->buf[i] == '"')
1359 strbuf_splice(p, i, 1, "&quot;", 6);
1360 }
1361 }
1362 static void wrap_in_html(struct msg_data *msg)
1363 {
1364 struct strbuf buf = STRBUF_INIT;
1365 struct strbuf **lines;
1366 struct strbuf **p;
1367 static char *content_type = "Content-Type: text/html;\n";
1368 static char *pre_open = "<pre>\n";
1369 static char *pre_close = "</pre>\n";
1370 int added_header = 0;
1371
1372 strbuf_attach(&buf, msg->data, msg->len, msg->len);
1373 lines = strbuf_split(&buf, '\n');
1374 strbuf_release(&buf);
1375 for (p = lines; *p; p++) {
1376 if (! added_header) {
1377 if ((*p)->len == 1 && *((*p)->buf) == '\n') {
1378 strbuf_addstr(&buf, content_type);
1379 strbuf_addbuf(&buf, *p);
1380 strbuf_addstr(&buf, pre_open);
1381 added_header = 1;
1382 continue;
1383 }
1384 }
1385 else
1386 encode_html_chars(*p);
1387 strbuf_addbuf(&buf, *p);
1388 }
1389 strbuf_addstr(&buf, pre_close);
1390 strbuf_list_free(lines);
1391 msg->len = buf.len;
1392 msg->data = strbuf_detach(&buf, NULL);
1393 }
1394
1395 #define CHUNKSIZE 0x1000
1396
1397 static int read_message(FILE *f, struct msg_data *msg)
1398 {
1399 struct strbuf buf = STRBUF_INIT;
1400
1401 memset(msg, 0, sizeof(*msg));
1402
1403 do {
1404 if (strbuf_fread(&buf, CHUNKSIZE, f) <= 0)
1405 break;
1406 } while (!feof(f));
1407
1408 msg->len = buf.len;
1409 msg->data = strbuf_detach(&buf, NULL);
1410 return msg->len;
1411 }
1412
1413 static int count_messages(struct msg_data *msg)
1414 {
1415 int count = 0;
1416 char *p = msg->data;
1417
1418 while (1) {
1419 if (!prefixcmp(p, "From ")) {
1420 p = strstr(p+5, "\nFrom: ");
1421 if (!p) break;
1422 p = strstr(p+7, "\nDate: ");
1423 if (!p) break;
1424 p = strstr(p+7, "\nSubject: ");
1425 if (!p) break;
1426 p += 10;
1427 count++;
1428 }
1429 p = strstr(p+5, "\nFrom ");
1430 if (!p)
1431 break;
1432 p++;
1433 }
1434 return count;
1435 }
1436
1437 static int split_msg(struct msg_data *all_msgs, struct msg_data *msg, int *ofs)
1438 {
1439 char *p, *data;
1440
1441 memset(msg, 0, sizeof *msg);
1442 if (*ofs >= all_msgs->len)
1443 return 0;
1444
1445 data = &all_msgs->data[*ofs];
1446 msg->len = all_msgs->len - *ofs;
1447
1448 if (msg->len < 5 || prefixcmp(data, "From "))
1449 return 0;
1450
1451 p = strchr(data, '\n');
1452 if (p) {
1453 p = &p[1];
1454 msg->len -= p-data;
1455 *ofs += p-data;
1456 data = p;
1457 }
1458
1459 p = strstr(data, "\nFrom ");
1460 if (p)
1461 msg->len = &p[1] - data;
1462
1463 msg->data = xmemdupz(data, msg->len);
1464 *ofs += msg->len;
1465 return 1;
1466 }
1467
1468 static char *imap_folder;
1469
1470 static int git_imap_config(const char *key, const char *val, void *cb)
1471 {
1472 char imap_key[] = "imap.";
1473
1474 if (strncmp(key, imap_key, sizeof imap_key - 1))
1475 return 0;
1476
1477 key += sizeof imap_key - 1;
1478
1479 /* check booleans first, and barf on others */
1480 if (!strcmp("sslverify", key))
1481 server.ssl_verify = git_config_bool(key, val);
1482 else if (!strcmp("preformattedhtml", key))
1483 server.use_html = git_config_bool(key, val);
1484 else if (!val)
1485 return config_error_nonbool(key);
1486
1487 if (!strcmp("folder", key)) {
1488 imap_folder = xstrdup(val);
1489 } else if (!strcmp("host", key)) {
1490 if (!prefixcmp(val, "imap:"))
1491 val += 5;
1492 else if (!prefixcmp(val, "imaps:")) {
1493 val += 6;
1494 server.use_ssl = 1;
1495 }
1496 if (!prefixcmp(val, "//"))
1497 val += 2;
1498 server.host = xstrdup(val);
1499 } else if (!strcmp("user", key))
1500 server.user = xstrdup(val);
1501 else if (!strcmp("pass", key))
1502 server.pass = xstrdup(val);
1503 else if (!strcmp("port", key))
1504 server.port = git_config_int(key, val);
1505 else if (!strcmp("tunnel", key))
1506 server.tunnel = xstrdup(val);
1507 else if (!strcmp("authmethod", key))
1508 server.auth_method = xstrdup(val);
1509
1510 return 0;
1511 }
1512
1513 int main(int argc, char **argv)
1514 {
1515 struct msg_data all_msgs, msg;
1516 struct store *ctx = NULL;
1517 int ofs = 0;
1518 int r;
1519 int total, n = 0;
1520 int nongit_ok;
1521
1522 git_extract_argv0_path(argv[0]);
1523
1524 if (argc != 1)
1525 usage(imap_send_usage);
1526
1527 setup_git_directory_gently(&nongit_ok);
1528 git_config(git_imap_config, NULL);
1529
1530 if (!server.port)
1531 server.port = server.use_ssl ? 993 : 143;
1532
1533 if (!imap_folder) {
1534 fprintf(stderr, "no imap store specified\n");
1535 return 1;
1536 }
1537 if (!server.host) {
1538 if (!server.tunnel) {
1539 fprintf(stderr, "no imap host specified\n");
1540 return 1;
1541 }
1542 server.host = "tunnel";
1543 }
1544
1545 /* read the messages */
1546 if (!read_message(stdin, &all_msgs)) {
1547 fprintf(stderr, "nothing to send\n");
1548 return 1;
1549 }
1550
1551 total = count_messages(&all_msgs);
1552 if (!total) {
1553 fprintf(stderr, "no messages to send\n");
1554 return 1;
1555 }
1556
1557 /* write it to the imap server */
1558 ctx = imap_open_store(&server);
1559 if (!ctx) {
1560 fprintf(stderr, "failed to open store\n");
1561 return 1;
1562 }
1563
1564 fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : "");
1565 ctx->name = imap_folder;
1566 while (1) {
1567 unsigned percent = n * 100 / total;
1568 fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total);
1569 if (!split_msg(&all_msgs, &msg, &ofs))
1570 break;
1571 if (server.use_html)
1572 wrap_in_html(&msg);
1573 r = imap_store_msg(ctx, &msg);
1574 if (r != DRV_OK)
1575 break;
1576 n++;
1577 }
1578 fprintf(stderr, "\n");
1579
1580 imap_close_store(ctx);
1581
1582 return 0;
1583 }
git with Jakub Narębski modifications