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imap-send.c: remove struct store_conf
[git/jrn.git] / imap-send.c
blobb8a7ff97e8e60ea5ffe22e9d03a171c8c407e05f
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 /* For message->status */
37 #define M_RECENT (1<<0) /* unsyncable flag; maildir_* depend on this being 1<<0 */
38 #define M_DEAD (1<<1) /* expunged */
39 #define M_FLAGS (1<<2) /* flags fetched */
40
41 struct message {
42 struct message *next;
43 size_t size; /* zero implies "not fetched" */
44 int uid;
45 unsigned char flags, status;
46 };
47
48 struct store {
49 /* currently open mailbox */
50 const char *name; /* foreign! maybe preset? */
51 char *path; /* own */
52 struct message *msgs; /* own */
53 int uidvalidity;
54 unsigned char opts; /* maybe preset? */
55 /* note that the following do _not_ reflect stats from msgs, but mailbox totals */
56 int count; /* # of messages */
57 int recent; /* # of recent messages - don't trust this beyond the initial read */
58 };
59
60 static const char imap_send_usage[] = "git imap-send < <mbox>";
61
62 #undef DRV_OK
63 #define DRV_OK 0
64 #define DRV_MSG_BAD -1
65 #define DRV_BOX_BAD -2
66 #define DRV_STORE_BAD -3
67
68 static int Verbose, Quiet;
69
70 __attribute__((format (printf, 1, 2)))
71 static void imap_info(const char *, ...);
72 __attribute__((format (printf, 1, 2)))
73 static void imap_warn(const char *, ...);
74
75 static char *next_arg(char **);
76
77 static void free_generic_messages(struct message *);
78
79 __attribute__((format (printf, 3, 4)))
80 static int nfsnprintf(char *buf, int blen, const char *fmt, ...);
81
82 static int nfvasprintf(char **strp, const char *fmt, va_list ap)
83 {
84 int len;
85 char tmp[8192];
86
87 len = vsnprintf(tmp, sizeof(tmp), fmt, ap);
88 if (len < 0)
89 die("Fatal: Out of memory");
90 if (len >= sizeof(tmp))
91 die("imap command overflow!");
92 *strp = xmemdupz(tmp, len);
93 return len;
94 }
95
96 struct imap_server_conf {
97 char *name;
98 char *tunnel;
99 char *host;
100 int port;
101 char *user;
102 char *pass;
103 int use_ssl;
104 int ssl_verify;
105 int use_html;
106 char *auth_method;
107 };
108
109 static struct imap_server_conf server = {
110 NULL, /* name */
111 NULL, /* tunnel */
112 NULL, /* host */
113 0, /* port */
114 NULL, /* user */
115 NULL, /* pass */
116 0, /* use_ssl */
117 1, /* ssl_verify */
118 0, /* use_html */
119 NULL, /* auth_method */
120 };
121
122 #define NIL (void *)0x1
123 #define LIST (void *)0x2
124
125 struct imap_list {
126 struct imap_list *next, *child;
127 char *val;
128 int len;
129 };
130
131 struct imap_socket {
132 int fd[2];
133 SSL *ssl;
134 };
135
136 struct imap_buffer {
137 struct imap_socket sock;
138 int bytes;
139 int offset;
140 char buf[1024];
141 };
142
143 struct imap_cmd;
144
145 struct imap {
146 int uidnext; /* from SELECT responses */
147 struct imap_list *ns_personal, *ns_other, *ns_shared; /* NAMESPACE info */
148 unsigned caps, rcaps; /* CAPABILITY results */
149 /* command queue */
150 int nexttag, num_in_progress, literal_pending;
151 struct imap_cmd *in_progress, **in_progress_append;
152 struct imap_buffer buf; /* this is BIG, so put it last */
153 };
154
155 struct imap_store {
156 struct store gen;
157 int uidvalidity;
158 struct imap *imap;
159 const char *prefix;
160 unsigned /*currentnc:1,*/ trashnc:1;
161 };
162
163 struct imap_cmd_cb {
164 int (*cont)(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt);
165 void (*done)(struct imap_store *ctx, struct imap_cmd *cmd, int response);
166 void *ctx;
167 char *data;
168 int dlen;
169 int uid;
170 unsigned create:1, trycreate:1;
171 };
172
173 struct imap_cmd {
174 struct imap_cmd *next;
175 struct imap_cmd_cb cb;
176 char *cmd;
177 int tag;
178 };
179
180 #define CAP(cap) (imap->caps & (1 << (cap)))
181
182 enum CAPABILITY {
183 NOLOGIN = 0,
184 UIDPLUS,
185 LITERALPLUS,
186 NAMESPACE,
187 STARTTLS,
188 AUTH_CRAM_MD5
189 };
190
191 static const char *cap_list[] = {
192 "LOGINDISABLED",
193 "UIDPLUS",
194 "LITERAL+",
195 "NAMESPACE",
196 "STARTTLS",
197 "AUTH=CRAM-MD5",
198 };
199
200 #define RESP_OK 0
201 #define RESP_NO 1
202 #define RESP_BAD 2
203
204 static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd);
205
206
207 #ifndef NO_OPENSSL
208 static void ssl_socket_perror(const char *func)
209 {
210 fprintf(stderr, "%s: %s\n", func, ERR_error_string(ERR_get_error(), NULL));
211 }
212 #endif
213
214 static void socket_perror(const char *func, struct imap_socket *sock, int ret)
215 {
216 #ifndef NO_OPENSSL
217 if (sock->ssl) {
218 int sslerr = SSL_get_error(sock->ssl, ret);
219 switch (sslerr) {
220 case SSL_ERROR_NONE:
221 break;
222 case SSL_ERROR_SYSCALL:
223 perror("SSL_connect");
224 break;
225 default:
226 ssl_socket_perror("SSL_connect");
227 break;
228 }
229 } else
230 #endif
231 {
232 if (ret < 0)
233 perror(func);
234 else
235 fprintf(stderr, "%s: unexpected EOF\n", func);
236 }
237 }
238
239 static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int verify)
240 {
241 #ifdef NO_OPENSSL
242 fprintf(stderr, "SSL requested but SSL support not compiled in\n");
243 return -1;
244 #else
245 #if (OPENSSL_VERSION_NUMBER >= 0x10000000L)
246 const SSL_METHOD *meth;
247 #else
248 SSL_METHOD *meth;
249 #endif
250 SSL_CTX *ctx;
251 int ret;
252
253 SSL_library_init();
254 SSL_load_error_strings();
255
256 if (use_tls_only)
257 meth = TLSv1_method();
258 else
259 meth = SSLv23_method();
260
261 if (!meth) {
262 ssl_socket_perror("SSLv23_method");
263 return -1;
264 }
265
266 ctx = SSL_CTX_new(meth);
267
268 if (verify)
269 SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
270
271 if (!SSL_CTX_set_default_verify_paths(ctx)) {
272 ssl_socket_perror("SSL_CTX_set_default_verify_paths");
273 return -1;
274 }
275 sock->ssl = SSL_new(ctx);
276 if (!sock->ssl) {
277 ssl_socket_perror("SSL_new");
278 return -1;
279 }
280 if (!SSL_set_rfd(sock->ssl, sock->fd[0])) {
281 ssl_socket_perror("SSL_set_rfd");
282 return -1;
283 }
284 if (!SSL_set_wfd(sock->ssl, sock->fd[1])) {
285 ssl_socket_perror("SSL_set_wfd");
286 return -1;
287 }
288
289 ret = SSL_connect(sock->ssl);
290 if (ret <= 0) {
291 socket_perror("SSL_connect", sock, ret);
292 return -1;
293 }
294
295 return 0;
296 #endif
297 }
298
299 static int socket_read(struct imap_socket *sock, char *buf, int len)
300 {
301 ssize_t n;
302 #ifndef NO_OPENSSL
303 if (sock->ssl)
304 n = SSL_read(sock->ssl, buf, len);
305 else
306 #endif
307 n = xread(sock->fd[0], buf, len);
308 if (n <= 0) {
309 socket_perror("read", sock, n);
310 close(sock->fd[0]);
311 close(sock->fd[1]);
312 sock->fd[0] = sock->fd[1] = -1;
313 }
314 return n;
315 }
316
317 static int socket_write(struct imap_socket *sock, const char *buf, int len)
318 {
319 int n;
320 #ifndef NO_OPENSSL
321 if (sock->ssl)
322 n = SSL_write(sock->ssl, buf, len);
323 else
324 #endif
325 n = write_in_full(sock->fd[1], buf, len);
326 if (n != len) {
327 socket_perror("write", sock, n);
328 close(sock->fd[0]);
329 close(sock->fd[1]);
330 sock->fd[0] = sock->fd[1] = -1;
331 }
332 return n;
333 }
334
335 static void socket_shutdown(struct imap_socket *sock)
336 {
337 #ifndef NO_OPENSSL
338 if (sock->ssl) {
339 SSL_shutdown(sock->ssl);
340 SSL_free(sock->ssl);
341 }
342 #endif
343 close(sock->fd[0]);
344 close(sock->fd[1]);
345 }
346
347 /* simple line buffering */
348 static int buffer_gets(struct imap_buffer *b, char **s)
349 {
350 int n;
351 int start = b->offset;
352
353 *s = b->buf + start;
354
355 for (;;) {
356 /* make sure we have enough data to read the \r\n sequence */
357 if (b->offset + 1 >= b->bytes) {
358 if (start) {
359 /* shift down used bytes */
360 *s = b->buf;
361
362 assert(start <= b->bytes);
363 n = b->bytes - start;
364
365 if (n)
366 memmove(b->buf, b->buf + start, n);
367 b->offset -= start;
368 b->bytes = n;
369 start = 0;
370 }
371
372 n = socket_read(&b->sock, b->buf + b->bytes,
373 sizeof(b->buf) - b->bytes);
374
375 if (n <= 0)
376 return -1;
377
378 b->bytes += n;
379 }
380
381 if (b->buf[b->offset] == '\r') {
382 assert(b->offset + 1 < b->bytes);
383 if (b->buf[b->offset + 1] == '\n') {
384 b->buf[b->offset] = 0; /* terminate the string */
385 b->offset += 2; /* next line */
386 if (Verbose)
387 puts(*s);
388 return 0;
389 }
390 }
391
392 b->offset++;
393 }
394 /* not reached */
395 }
396
397 static void imap_info(const char *msg, ...)
398 {
399 va_list va;
400
401 if (!Quiet) {
402 va_start(va, msg);
403 vprintf(msg, va);
404 va_end(va);
405 fflush(stdout);
406 }
407 }
408
409 static void imap_warn(const char *msg, ...)
410 {
411 va_list va;
412
413 if (Quiet < 2) {
414 va_start(va, msg);
415 vfprintf(stderr, msg, va);
416 va_end(va);
417 }
418 }
419
420 static char *next_arg(char **s)
421 {
422 char *ret;
423
424 if (!s || !*s)
425 return NULL;
426 while (isspace((unsigned char) **s))
427 (*s)++;
428 if (!**s) {
429 *s = NULL;
430 return NULL;
431 }
432 if (**s == '"') {
433 ++*s;
434 ret = *s;
435 *s = strchr(*s, '"');
436 } else {
437 ret = *s;
438 while (**s && !isspace((unsigned char) **s))
439 (*s)++;
440 }
441 if (*s) {
442 if (**s)
443 *(*s)++ = 0;
444 if (!**s)
445 *s = NULL;
446 }
447 return ret;
448 }
449
450 static void free_generic_messages(struct message *msgs)
451 {
452 struct message *tmsg;
453
454 for (; msgs; msgs = tmsg) {
455 tmsg = msgs->next;
456 free(msgs);
457 }
458 }
459
460 static int nfsnprintf(char *buf, int blen, const char *fmt, ...)
461 {
462 int ret;
463 va_list va;
464
465 va_start(va, fmt);
466 if (blen <= 0 || (unsigned)(ret = vsnprintf(buf, blen, fmt, va)) >= (unsigned)blen)
467 die("Fatal: buffer too small. Please report a bug.");
468 va_end(va);
469 return ret;
470 }
471
472 static struct imap_cmd *v_issue_imap_cmd(struct imap_store *ctx,
473 struct imap_cmd_cb *cb,
474 const char *fmt, va_list ap)
475 {
476 struct imap *imap = ctx->imap;
477 struct imap_cmd *cmd;
478 int n, bufl;
479 char buf[1024];
480
481 cmd = xmalloc(sizeof(struct imap_cmd));
482 nfvasprintf(&cmd->cmd, fmt, ap);
483 cmd->tag = ++imap->nexttag;
484
485 if (cb)
486 cmd->cb = *cb;
487 else
488 memset(&cmd->cb, 0, sizeof(cmd->cb));
489
490 while (imap->literal_pending)
491 get_cmd_result(ctx, NULL);
492
493 if (!cmd->cb.data)
494 bufl = nfsnprintf(buf, sizeof(buf), "%d %s\r\n", cmd->tag, cmd->cmd);
495 else
496 bufl = nfsnprintf(buf, sizeof(buf), "%d %s{%d%s}\r\n",
497 cmd->tag, cmd->cmd, cmd->cb.dlen,
498 CAP(LITERALPLUS) ? "+" : "");
499
500 if (Verbose) {
501 if (imap->num_in_progress)
502 printf("(%d in progress) ", imap->num_in_progress);
503 if (memcmp(cmd->cmd, "LOGIN", 5))
504 printf(">>> %s", buf);
505 else
506 printf(">>> %d LOGIN <user> <pass>\n", cmd->tag);
507 }
508 if (socket_write(&imap->buf.sock, buf, bufl) != bufl) {
509 free(cmd->cmd);
510 free(cmd);
511 if (cb)
512 free(cb->data);
513 return NULL;
514 }
515 if (cmd->cb.data) {
516 if (CAP(LITERALPLUS)) {
517 n = socket_write(&imap->buf.sock, cmd->cb.data, cmd->cb.dlen);
518 free(cmd->cb.data);
519 if (n != cmd->cb.dlen ||
520 socket_write(&imap->buf.sock, "\r\n", 2) != 2) {
521 free(cmd->cmd);
522 free(cmd);
523 return NULL;
524 }
525 cmd->cb.data = NULL;
526 } else
527 imap->literal_pending = 1;
528 } else if (cmd->cb.cont)
529 imap->literal_pending = 1;
530 cmd->next = NULL;
531 *imap->in_progress_append = cmd;
532 imap->in_progress_append = &cmd->next;
533 imap->num_in_progress++;
534 return cmd;
535 }
536
537 __attribute__((format (printf, 3, 4)))
538 static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx,
539 struct imap_cmd_cb *cb,
540 const char *fmt, ...)
541 {
542 struct imap_cmd *ret;
543 va_list ap;
544
545 va_start(ap, fmt);
546 ret = v_issue_imap_cmd(ctx, cb, fmt, ap);
547 va_end(ap);
548 return ret;
549 }
550
551 __attribute__((format (printf, 3, 4)))
552 static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb,
553 const char *fmt, ...)
554 {
555 va_list ap;
556 struct imap_cmd *cmdp;
557
558 va_start(ap, fmt);
559 cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
560 va_end(ap);
561 if (!cmdp)
562 return RESP_BAD;
563
564 return get_cmd_result(ctx, cmdp);
565 }
566
567 __attribute__((format (printf, 3, 4)))
568 static int imap_exec_m(struct imap_store *ctx, struct imap_cmd_cb *cb,
569 const char *fmt, ...)
570 {
571 va_list ap;
572 struct imap_cmd *cmdp;
573
574 va_start(ap, fmt);
575 cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
576 va_end(ap);
577 if (!cmdp)
578 return DRV_STORE_BAD;
579
580 switch (get_cmd_result(ctx, cmdp)) {
581 case RESP_BAD: return DRV_STORE_BAD;
582 case RESP_NO: return DRV_MSG_BAD;
583 default: return DRV_OK;
584 }
585 }
586
587 static int is_atom(struct imap_list *list)
588 {
589 return list && list->val && list->val != NIL && list->val != LIST;
590 }
591
592 static int is_list(struct imap_list *list)
593 {
594 return list && list->val == LIST;
595 }
596
597 static void free_list(struct imap_list *list)
598 {
599 struct imap_list *tmp;
600
601 for (; list; list = tmp) {
602 tmp = list->next;
603 if (is_list(list))
604 free_list(list->child);
605 else if (is_atom(list))
606 free(list->val);
607 free(list);
608 }
609 }
610
611 static int parse_imap_list_l(struct imap *imap, char **sp, struct imap_list **curp, int level)
612 {
613 struct imap_list *cur;
614 char *s = *sp, *p;
615 int n, bytes;
616
617 for (;;) {
618 while (isspace((unsigned char)*s))
619 s++;
620 if (level && *s == ')') {
621 s++;
622 break;
623 }
624 *curp = cur = xmalloc(sizeof(*cur));
625 curp = &cur->next;
626 cur->val = NULL; /* for clean bail */
627 if (*s == '(') {
628 /* sublist */
629 s++;
630 cur->val = LIST;
631 if (parse_imap_list_l(imap, &s, &cur->child, level + 1))
632 goto bail;
633 } else if (imap && *s == '{') {
634 /* literal */
635 bytes = cur->len = strtol(s + 1, &s, 10);
636 if (*s != '}')
637 goto bail;
638
639 s = cur->val = xmalloc(cur->len);
640
641 /* dump whats left over in the input buffer */
642 n = imap->buf.bytes - imap->buf.offset;
643
644 if (n > bytes)
645 /* the entire message fit in the buffer */
646 n = bytes;
647
648 memcpy(s, imap->buf.buf + imap->buf.offset, n);
649 s += n;
650 bytes -= n;
651
652 /* mark that we used part of the buffer */
653 imap->buf.offset += n;
654
655 /* now read the rest of the message */
656 while (bytes > 0) {
657 if ((n = socket_read(&imap->buf.sock, s, bytes)) <= 0)
658 goto bail;
659 s += n;
660 bytes -= n;
661 }
662
663 if (buffer_gets(&imap->buf, &s))
664 goto bail;
665 } else if (*s == '"') {
666 /* quoted string */
667 s++;
668 p = s;
669 for (; *s != '"'; s++)
670 if (!*s)
671 goto bail;
672 cur->len = s - p;
673 s++;
674 cur->val = xmemdupz(p, cur->len);
675 } else {
676 /* atom */
677 p = s;
678 for (; *s && !isspace((unsigned char)*s); s++)
679 if (level && *s == ')')
680 break;
681 cur->len = s - p;
682 if (cur->len == 3 && !memcmp("NIL", p, 3))
683 cur->val = NIL;
684 else
685 cur->val = xmemdupz(p, cur->len);
686 }
687
688 if (!level)
689 break;
690 if (!*s)
691 goto bail;
692 }
693 *sp = s;
694 *curp = NULL;
695 return 0;
696
697 bail:
698 *curp = NULL;
699 return -1;
700 }
701
702 static struct imap_list *parse_imap_list(struct imap *imap, char **sp)
703 {
704 struct imap_list *head;
705
706 if (!parse_imap_list_l(imap, sp, &head, 0))
707 return head;
708 free_list(head);
709 return NULL;
710 }
711
712 static struct imap_list *parse_list(char **sp)
713 {
714 return parse_imap_list(NULL, sp);
715 }
716
717 static void parse_capability(struct imap *imap, char *cmd)
718 {
719 char *arg;
720 unsigned i;
721
722 imap->caps = 0x80000000;
723 while ((arg = next_arg(&cmd)))
724 for (i = 0; i < ARRAY_SIZE(cap_list); i++)
725 if (!strcmp(cap_list[i], arg))
726 imap->caps |= 1 << i;
727 imap->rcaps = imap->caps;
728 }
729
730 static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb,
731 char *s)
732 {
733 struct imap *imap = ctx->imap;
734 char *arg, *p;
735
736 if (*s != '[')
737 return RESP_OK; /* no response code */
738 s++;
739 if (!(p = strchr(s, ']'))) {
740 fprintf(stderr, "IMAP error: malformed response code\n");
741 return RESP_BAD;
742 }
743 *p++ = 0;
744 arg = next_arg(&s);
745 if (!strcmp("UIDVALIDITY", arg)) {
746 if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg))) {
747 fprintf(stderr, "IMAP error: malformed UIDVALIDITY status\n");
748 return RESP_BAD;
749 }
750 } else if (!strcmp("UIDNEXT", arg)) {
751 if (!(arg = next_arg(&s)) || !(imap->uidnext = atoi(arg))) {
752 fprintf(stderr, "IMAP error: malformed NEXTUID status\n");
753 return RESP_BAD;
754 }
755 } else if (!strcmp("CAPABILITY", arg)) {
756 parse_capability(imap, s);
757 } else if (!strcmp("ALERT", arg)) {
758 /* RFC2060 says that these messages MUST be displayed
759 * to the user
760 */
761 for (; isspace((unsigned char)*p); p++);
762 fprintf(stderr, "*** IMAP ALERT *** %s\n", p);
763 } else if (cb && cb->ctx && !strcmp("APPENDUID", arg)) {
764 if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg)) ||
765 !(arg = next_arg(&s)) || !(*(int *)cb->ctx = atoi(arg))) {
766 fprintf(stderr, "IMAP error: malformed APPENDUID status\n");
767 return RESP_BAD;
768 }
769 }
770 return RESP_OK;
771 }
772
773 static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd)
774 {
775 struct imap *imap = ctx->imap;
776 struct imap_cmd *cmdp, **pcmdp, *ncmdp;
777 char *cmd, *arg, *arg1, *p;
778 int n, resp, resp2, tag;
779
780 for (;;) {
781 if (buffer_gets(&imap->buf, &cmd))
782 return RESP_BAD;
783
784 arg = next_arg(&cmd);
785 if (*arg == '*') {
786 arg = next_arg(&cmd);
787 if (!arg) {
788 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
789 return RESP_BAD;
790 }
791
792 if (!strcmp("NAMESPACE", arg)) {
793 imap->ns_personal = parse_list(&cmd);
794 imap->ns_other = parse_list(&cmd);
795 imap->ns_shared = parse_list(&cmd);
796 } else if (!strcmp("OK", arg) || !strcmp("BAD", arg) ||
797 !strcmp("NO", arg) || !strcmp("BYE", arg)) {
798 if ((resp = parse_response_code(ctx, NULL, cmd)) != RESP_OK)
799 return resp;
800 } else if (!strcmp("CAPABILITY", arg))
801 parse_capability(imap, cmd);
802 else if ((arg1 = next_arg(&cmd))) {
803 if (!strcmp("EXISTS", arg1))
804 ctx->gen.count = atoi(arg);
805 else if (!strcmp("RECENT", arg1))
806 ctx->gen.recent = atoi(arg);
807 } else {
808 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
809 return RESP_BAD;
810 }
811 } else if (!imap->in_progress) {
812 fprintf(stderr, "IMAP error: unexpected reply: %s %s\n", arg, cmd ? cmd : "");
813 return RESP_BAD;
814 } else if (*arg == '+') {
815 /* This can happen only with the last command underway, as
816 it enforces a round-trip. */
817 cmdp = (struct imap_cmd *)((char *)imap->in_progress_append -
818 offsetof(struct imap_cmd, next));
819 if (cmdp->cb.data) {
820 n = socket_write(&imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen);
821 free(cmdp->cb.data);
822 cmdp->cb.data = NULL;
823 if (n != (int)cmdp->cb.dlen)
824 return RESP_BAD;
825 } else if (cmdp->cb.cont) {
826 if (cmdp->cb.cont(ctx, cmdp, cmd))
827 return RESP_BAD;
828 } else {
829 fprintf(stderr, "IMAP error: unexpected command continuation request\n");
830 return RESP_BAD;
831 }
832 if (socket_write(&imap->buf.sock, "\r\n", 2) != 2)
833 return RESP_BAD;
834 if (!cmdp->cb.cont)
835 imap->literal_pending = 0;
836 if (!tcmd)
837 return DRV_OK;
838 } else {
839 tag = atoi(arg);
840 for (pcmdp = &imap->in_progress; (cmdp = *pcmdp); pcmdp = &cmdp->next)
841 if (cmdp->tag == tag)
842 goto gottag;
843 fprintf(stderr, "IMAP error: unexpected tag %s\n", arg);
844 return RESP_BAD;
845 gottag:
846 if (!(*pcmdp = cmdp->next))
847 imap->in_progress_append = pcmdp;
848 imap->num_in_progress--;
849 if (cmdp->cb.cont || cmdp->cb.data)
850 imap->literal_pending = 0;
851 arg = next_arg(&cmd);
852 if (!strcmp("OK", arg))
853 resp = DRV_OK;
854 else {
855 if (!strcmp("NO", arg)) {
856 if (cmdp->cb.create && cmd && (cmdp->cb.trycreate || !memcmp(cmd, "[TRYCREATE]", 11))) { /* SELECT, APPEND or UID COPY */
857 p = strchr(cmdp->cmd, '"');
858 if (!issue_imap_cmd(ctx, NULL, "CREATE \"%.*s\"", (int)(strchr(p + 1, '"') - p + 1), p)) {
859 resp = RESP_BAD;
860 goto normal;
861 }
862 /* not waiting here violates the spec, but a server that does not
863 grok this nonetheless violates it too. */
864 cmdp->cb.create = 0;
865 if (!(ncmdp = issue_imap_cmd(ctx, &cmdp->cb, "%s", cmdp->cmd))) {
866 resp = RESP_BAD;
867 goto normal;
868 }
869 free(cmdp->cmd);
870 free(cmdp);
871 if (!tcmd)
872 return 0; /* ignored */
873 if (cmdp == tcmd)
874 tcmd = ncmdp;
875 continue;
876 }
877 resp = RESP_NO;
878 } else /*if (!strcmp("BAD", arg))*/
879 resp = RESP_BAD;
880 fprintf(stderr, "IMAP command '%s' returned response (%s) - %s\n",
881 memcmp(cmdp->cmd, "LOGIN", 5) ?
882 cmdp->cmd : "LOGIN <user> <pass>",
883 arg, cmd ? cmd : "");
884 }
885 if ((resp2 = parse_response_code(ctx, &cmdp->cb, cmd)) > resp)
886 resp = resp2;
887 normal:
888 if (cmdp->cb.done)
889 cmdp->cb.done(ctx, cmdp, resp);
890 free(cmdp->cb.data);
891 free(cmdp->cmd);
892 free(cmdp);
893 if (!tcmd || tcmd == cmdp)
894 return resp;
895 }
896 }
897 /* not reached */
898 }
899
900 static void imap_close_server(struct imap_store *ictx)
901 {
902 struct imap *imap = ictx->imap;
903
904 if (imap->buf.sock.fd[0] != -1) {
905 imap_exec(ictx, NULL, "LOGOUT");
906 socket_shutdown(&imap->buf.sock);
907 }
908 free_list(imap->ns_personal);
909 free_list(imap->ns_other);
910 free_list(imap->ns_shared);
911 free(imap);
912 }
913
914 static void imap_close_store(struct store *ctx)
915 {
916 imap_close_server((struct imap_store *)ctx);
917 free_generic_messages(ctx->msgs);
918 free(ctx);
919 }
920
921 #ifndef NO_OPENSSL
922
923 /*
924 * hexchar() and cram() functions are based on the code from the isync
925 * project (http://isync.sf.net/).
926 */
927 static char hexchar(unsigned int b)
928 {
929 return b < 10 ? '0' + b : 'a' + (b - 10);
930 }
931
932 #define ENCODED_SIZE(n) (4*((n+2)/3))
933 static char *cram(const char *challenge_64, const char *user, const char *pass)
934 {
935 int i, resp_len, encoded_len, decoded_len;
936 HMAC_CTX hmac;
937 unsigned char hash[16];
938 char hex[33];
939 char *response, *response_64, *challenge;
940
941 /*
942 * length of challenge_64 (i.e. base-64 encoded string) is a good
943 * enough upper bound for challenge (decoded result).
944 */
945 encoded_len = strlen(challenge_64);
946 challenge = xmalloc(encoded_len);
947 decoded_len = EVP_DecodeBlock((unsigned char *)challenge,
948 (unsigned char *)challenge_64, encoded_len);
949 if (decoded_len < 0)
950 die("invalid challenge %s", challenge_64);
951 HMAC_Init(&hmac, (unsigned char *)pass, strlen(pass), EVP_md5());
952 HMAC_Update(&hmac, (unsigned char *)challenge, decoded_len);
953 HMAC_Final(&hmac, hash, NULL);
954 HMAC_CTX_cleanup(&hmac);
955
956 hex[32] = 0;
957 for (i = 0; i < 16; i++) {
958 hex[2 * i] = hexchar((hash[i] >> 4) & 0xf);
959 hex[2 * i + 1] = hexchar(hash[i] & 0xf);
960 }
961
962 /* response: "<user> <digest in hex>" */
963 resp_len = strlen(user) + 1 + strlen(hex) + 1;
964 response = xmalloc(resp_len);
965 sprintf(response, "%s %s", user, hex);
966
967 response_64 = xmalloc(ENCODED_SIZE(resp_len) + 1);
968 encoded_len = EVP_EncodeBlock((unsigned char *)response_64,
969 (unsigned char *)response, resp_len);
970 if (encoded_len < 0)
971 die("EVP_EncodeBlock error");
972 response_64[encoded_len] = '\0';
973 return (char *)response_64;
974 }
975
976 #else
977
978 static char *cram(const char *challenge_64, const char *user, const char *pass)
979 {
980 die("If you want to use CRAM-MD5 authenticate method, "
981 "you have to build git-imap-send with OpenSSL library.");
982 }
983
984 #endif
985
986 static int auth_cram_md5(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt)
987 {
988 int ret;
989 char *response;
990
991 response = cram(prompt, server.user, server.pass);
992
993 ret = socket_write(&ctx->imap->buf.sock, response, strlen(response));
994 if (ret != strlen(response))
995 return error("IMAP error: sending response failed");
996
997 free(response);
998
999 return 0;
1000 }
1001
1002 static struct store *imap_open_store(struct imap_server_conf *srvc)
1003 {
1004 struct imap_store *ctx;
1005 struct imap *imap;
1006 char *arg, *rsp;
1007 int s = -1, preauth;
1008
1009 ctx = xcalloc(sizeof(*ctx), 1);
1010
1011 ctx->imap = imap = xcalloc(sizeof(*imap), 1);
1012 imap->buf.sock.fd[0] = imap->buf.sock.fd[1] = -1;
1013 imap->in_progress_append = &imap->in_progress;
1014
1015 /* open connection to IMAP server */
1016
1017 if (srvc->tunnel) {
1018 const char *argv[] = { srvc->tunnel, NULL };
1019 struct child_process tunnel = {NULL};
1020
1021 imap_info("Starting tunnel '%s'... ", srvc->tunnel);
1022
1023 tunnel.argv = argv;
1024 tunnel.use_shell = 1;
1025 tunnel.in = -1;
1026 tunnel.out = -1;
1027 if (start_command(&tunnel))
1028 die("cannot start proxy %s", argv[0]);
1029
1030 imap->buf.sock.fd[0] = tunnel.out;
1031 imap->buf.sock.fd[1] = tunnel.in;
1032
1033 imap_info("ok\n");
1034 } else {
1035 #ifndef NO_IPV6
1036 struct addrinfo hints, *ai0, *ai;
1037 int gai;
1038 char portstr[6];
1039
1040 snprintf(portstr, sizeof(portstr), "%d", srvc->port);
1041
1042 memset(&hints, 0, sizeof(hints));
1043 hints.ai_socktype = SOCK_STREAM;
1044 hints.ai_protocol = IPPROTO_TCP;
1045
1046 imap_info("Resolving %s... ", srvc->host);
1047 gai = getaddrinfo(srvc->host, portstr, &hints, &ai);
1048 if (gai) {
1049 fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(gai));
1050 goto bail;
1051 }
1052 imap_info("ok\n");
1053
1054 for (ai0 = ai; ai; ai = ai->ai_next) {
1055 char addr[NI_MAXHOST];
1056
1057 s = socket(ai->ai_family, ai->ai_socktype,
1058 ai->ai_protocol);
1059 if (s < 0)
1060 continue;
1061
1062 getnameinfo(ai->ai_addr, ai->ai_addrlen, addr,
1063 sizeof(addr), NULL, 0, NI_NUMERICHOST);
1064 imap_info("Connecting to [%s]:%s... ", addr, portstr);
1065
1066 if (connect(s, ai->ai_addr, ai->ai_addrlen) < 0) {
1067 close(s);
1068 s = -1;
1069 perror("connect");
1070 continue;
1071 }
1072
1073 break;
1074 }
1075 freeaddrinfo(ai0);
1076 #else /* NO_IPV6 */
1077 struct hostent *he;
1078 struct sockaddr_in addr;
1079
1080 memset(&addr, 0, sizeof(addr));
1081 addr.sin_port = htons(srvc->port);
1082 addr.sin_family = AF_INET;
1083
1084 imap_info("Resolving %s... ", srvc->host);
1085 he = gethostbyname(srvc->host);
1086 if (!he) {
1087 perror("gethostbyname");
1088 goto bail;
1089 }
1090 imap_info("ok\n");
1091
1092 addr.sin_addr.s_addr = *((int *) he->h_addr_list[0]);
1093
1094 s = socket(PF_INET, SOCK_STREAM, 0);
1095
1096 imap_info("Connecting to %s:%hu... ", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port));
1097 if (connect(s, (struct sockaddr *)&addr, sizeof(addr))) {
1098 close(s);
1099 s = -1;
1100 perror("connect");
1101 }
1102 #endif
1103 if (s < 0) {
1104 fputs("Error: unable to connect to server.\n", stderr);
1105 goto bail;
1106 }
1107
1108 imap->buf.sock.fd[0] = s;
1109 imap->buf.sock.fd[1] = dup(s);
1110
1111 if (srvc->use_ssl &&
1112 ssl_socket_connect(&imap->buf.sock, 0, srvc->ssl_verify)) {
1113 close(s);
1114 goto bail;
1115 }
1116 imap_info("ok\n");
1117 }
1118
1119 /* read the greeting string */
1120 if (buffer_gets(&imap->buf, &rsp)) {
1121 fprintf(stderr, "IMAP error: no greeting response\n");
1122 goto bail;
1123 }
1124 arg = next_arg(&rsp);
1125 if (!arg || *arg != '*' || (arg = next_arg(&rsp)) == NULL) {
1126 fprintf(stderr, "IMAP error: invalid greeting response\n");
1127 goto bail;
1128 }
1129 preauth = 0;
1130 if (!strcmp("PREAUTH", arg))
1131 preauth = 1;
1132 else if (strcmp("OK", arg) != 0) {
1133 fprintf(stderr, "IMAP error: unknown greeting response\n");
1134 goto bail;
1135 }
1136 parse_response_code(ctx, NULL, rsp);
1137 if (!imap->caps && imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK)
1138 goto bail;
1139
1140 if (!preauth) {
1141 #ifndef NO_OPENSSL
1142 if (!srvc->use_ssl && CAP(STARTTLS)) {
1143 if (imap_exec(ctx, NULL, "STARTTLS") != RESP_OK)
1144 goto bail;
1145 if (ssl_socket_connect(&imap->buf.sock, 1,
1146 srvc->ssl_verify))
1147 goto bail;
1148 /* capabilities may have changed, so get the new capabilities */
1149 if (imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK)
1150 goto bail;
1151 }
1152 #endif
1153 imap_info("Logging in...\n");
1154 if (!srvc->user) {
1155 fprintf(stderr, "Skipping server %s, no user\n", srvc->host);
1156 goto bail;
1157 }
1158 if (!srvc->pass) {
1159 struct strbuf prompt = STRBUF_INIT;
1160 strbuf_addf(&prompt, "Password (%s@%s): ", srvc->user, srvc->host);
1161 arg = git_getpass(prompt.buf);
1162 strbuf_release(&prompt);
1163 if (!*arg) {
1164 fprintf(stderr, "Skipping account %s@%s, no password\n", srvc->user, srvc->host);
1165 goto bail;
1166 }
1167 /*
1168 * getpass() returns a pointer to a static buffer. make a copy
1169 * for long term storage.
1170 */
1171 srvc->pass = xstrdup(arg);
1172 }
1173 if (CAP(NOLOGIN)) {
1174 fprintf(stderr, "Skipping account %s@%s, server forbids LOGIN\n", srvc->user, srvc->host);
1175 goto bail;
1176 }
1177
1178 if (srvc->auth_method) {
1179 struct imap_cmd_cb cb;
1180
1181 if (!strcmp(srvc->auth_method, "CRAM-MD5")) {
1182 if (!CAP(AUTH_CRAM_MD5)) {
1183 fprintf(stderr, "You specified"
1184 "CRAM-MD5 as authentication method, "
1185 "but %s doesn't support it.\n", srvc->host);
1186 goto bail;
1187 }
1188 /* CRAM-MD5 */
1189
1190 memset(&cb, 0, sizeof(cb));
1191 cb.cont = auth_cram_md5;
1192 if (imap_exec(ctx, &cb, "AUTHENTICATE CRAM-MD5") != RESP_OK) {
1193 fprintf(stderr, "IMAP error: AUTHENTICATE CRAM-MD5 failed\n");
1194 goto bail;
1195 }
1196 } else {
1197 fprintf(stderr, "Unknown authentication method:%s\n", srvc->host);
1198 goto bail;
1199 }
1200 } else {
1201 if (!imap->buf.sock.ssl)
1202 imap_warn("*** IMAP Warning *** Password is being "
1203 "sent in the clear\n");
1204 if (imap_exec(ctx, NULL, "LOGIN \"%s\" \"%s\"", srvc->user, srvc->pass) != RESP_OK) {
1205 fprintf(stderr, "IMAP error: LOGIN failed\n");
1206 goto bail;
1207 }
1208 }
1209 } /* !preauth */
1210
1211 ctx->prefix = "";
1212 ctx->trashnc = 1;
1213 return (struct store *)ctx;
1214
1215 bail:
1216 imap_close_store(&ctx->gen);
1217 return NULL;
1218 }
1219
1220 static void lf_to_crlf(struct strbuf *msg)
1221 {
1222 size_t new_len;
1223 char *new;
1224 int i, j, lfnum = 0;
1225
1226 if (msg->buf[0] == '\n')
1227 lfnum++;
1228 for (i = 1; i < msg->len; i++) {
1229 if (msg->buf[i - 1] != '\r' && msg->buf[i] == '\n')
1230 lfnum++;
1231 }
1232
1233 new_len = msg->len + lfnum;
1234 new = xmalloc(new_len + 1);
1235 if (msg->buf[0] == '\n') {
1236 new[0] = '\r';
1237 new[1] = '\n';
1238 i = 1;
1239 j = 2;
1240 } else {
1241 new[0] = msg->buf[0];
1242 i = 1;
1243 j = 1;
1244 }
1245 for ( ; i < msg->len; i++) {
1246 if (msg->buf[i] != '\n') {
1247 new[j++] = msg->buf[i];
1248 continue;
1249 }
1250 if (msg->buf[i - 1] != '\r')
1251 new[j++] = '\r';
1252 /* otherwise it already had CR before */
1253 new[j++] = '\n';
1254 }
1255 strbuf_attach(msg, new, new_len, new_len + 1);
1256 }
1257
1258 /*
1259 * Store msg to IMAP. Also detach and free the data from msg->data,
1260 * leaving msg->data empty.
1261 */
1262 static int imap_store_msg(struct store *gctx, struct strbuf *msg)
1263 {
1264 struct imap_store *ctx = (struct imap_store *)gctx;
1265 struct imap *imap = ctx->imap;
1266 struct imap_cmd_cb cb;
1267 const char *prefix, *box;
1268 int ret;
1269
1270 lf_to_crlf(msg);
1271 memset(&cb, 0, sizeof(cb));
1272
1273 cb.dlen = msg->len;
1274 cb.data = strbuf_detach(msg, NULL);
1275
1276 box = gctx->name;
1277 prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix;
1278 cb.create = 0;
1279 ret = imap_exec_m(ctx, &cb, "APPEND \"%s%s\" ", prefix, box);
1280 imap->caps = imap->rcaps;
1281 if (ret != DRV_OK)
1282 return ret;
1283 gctx->count++;
1284
1285 return DRV_OK;
1286 }
1287
1288 static void wrap_in_html(struct strbuf *msg)
1289 {
1290 struct strbuf buf = STRBUF_INIT;
1291 static char *content_type = "Content-Type: text/html;\n";
1292 static char *pre_open = "<pre>\n";
1293 static char *pre_close = "</pre>\n";
1294 const char *body = strstr(msg->buf, "\n\n");
1295
1296 if (!body)
1297 return; /* Headers but no body; no wrapping needed */
1298
1299 body += 2;
1300
1301 strbuf_add(&buf, msg->buf, body - msg->buf - 1);
1302 strbuf_addstr(&buf, content_type);
1303 strbuf_addch(&buf, '\n');
1304 strbuf_addstr(&buf, pre_open);
1305 strbuf_addstr_xml_quoted(&buf, body);
1306 strbuf_addstr(&buf, pre_close);
1307
1308 strbuf_release(msg);
1309 *msg = buf;
1310 }
1311
1312 #define CHUNKSIZE 0x1000
1313
1314 static int read_message(FILE *f, struct strbuf *all_msgs)
1315 {
1316 do {
1317 if (strbuf_fread(all_msgs, CHUNKSIZE, f) <= 0)
1318 break;
1319 } while (!feof(f));
1320
1321 return ferror(f) ? -1 : 0;
1322 }
1323
1324 static int count_messages(struct strbuf *all_msgs)
1325 {
1326 int count = 0;
1327 char *p = all_msgs->buf;
1328
1329 while (1) {
1330 if (!prefixcmp(p, "From ")) {
1331 p = strstr(p+5, "\nFrom: ");
1332 if (!p) break;
1333 p = strstr(p+7, "\nDate: ");
1334 if (!p) break;
1335 p = strstr(p+7, "\nSubject: ");
1336 if (!p) break;
1337 p += 10;
1338 count++;
1339 }
1340 p = strstr(p+5, "\nFrom ");
1341 if (!p)
1342 break;
1343 p++;
1344 }
1345 return count;
1346 }
1347
1348 /*
1349 * Copy the next message from all_msgs, starting at offset *ofs, to
1350 * msg. Update *ofs to the start of the following message. Return
1351 * true iff a message was successfully copied.
1352 */
1353 static int split_msg(struct strbuf *all_msgs, struct strbuf *msg, int *ofs)
1354 {
1355 char *p, *data;
1356 size_t len;
1357
1358 if (*ofs >= all_msgs->len)
1359 return 0;
1360
1361 data = &all_msgs->buf[*ofs];
1362 len = all_msgs->len - *ofs;
1363
1364 if (len < 5 || prefixcmp(data, "From "))
1365 return 0;
1366
1367 p = strchr(data, '\n');
1368 if (p) {
1369 p++;
1370 len -= p - data;
1371 *ofs += p - data;
1372 data = p;
1373 }
1374
1375 p = strstr(data, "\nFrom ");
1376 if (p)
1377 len = &p[1] - data;
1378
1379 strbuf_add(msg, data, len);
1380 *ofs += len;
1381 return 1;
1382 }
1383
1384 static char *imap_folder;
1385
1386 static int git_imap_config(const char *key, const char *val, void *cb)
1387 {
1388 char imap_key[] = "imap.";
1389
1390 if (strncmp(key, imap_key, sizeof imap_key - 1))
1391 return 0;
1392
1393 key += sizeof imap_key - 1;
1394
1395 /* check booleans first, and barf on others */
1396 if (!strcmp("sslverify", key))
1397 server.ssl_verify = git_config_bool(key, val);
1398 else if (!strcmp("preformattedhtml", key))
1399 server.use_html = git_config_bool(key, val);
1400 else if (!val)
1401 return config_error_nonbool(key);
1402
1403 if (!strcmp("folder", key)) {
1404 imap_folder = xstrdup(val);
1405 } else if (!strcmp("host", key)) {
1406 if (!prefixcmp(val, "imap:"))
1407 val += 5;
1408 else if (!prefixcmp(val, "imaps:")) {
1409 val += 6;
1410 server.use_ssl = 1;
1411 }
1412 if (!prefixcmp(val, "//"))
1413 val += 2;
1414 server.host = xstrdup(val);
1415 } else if (!strcmp("user", key))
1416 server.user = xstrdup(val);
1417 else if (!strcmp("pass", key))
1418 server.pass = xstrdup(val);
1419 else if (!strcmp("port", key))
1420 server.port = git_config_int(key, val);
1421 else if (!strcmp("tunnel", key))
1422 server.tunnel = xstrdup(val);
1423 else if (!strcmp("authmethod", key))
1424 server.auth_method = xstrdup(val);
1425
1426 return 0;
1427 }
1428
1429 int main(int argc, char **argv)
1430 {
1431 struct strbuf all_msgs = STRBUF_INIT;
1432 struct strbuf msg = STRBUF_INIT;
1433 struct store *ctx = NULL;
1434 int ofs = 0;
1435 int r;
1436 int total, n = 0;
1437 int nongit_ok;
1438
1439 git_extract_argv0_path(argv[0]);
1440
1441 git_setup_gettext();
1442
1443 if (argc != 1)
1444 usage(imap_send_usage);
1445
1446 setup_git_directory_gently(&nongit_ok);
1447 git_config(git_imap_config, NULL);
1448
1449 if (!server.port)
1450 server.port = server.use_ssl ? 993 : 143;
1451
1452 if (!imap_folder) {
1453 fprintf(stderr, "no imap store specified\n");
1454 return 1;
1455 }
1456 if (!server.host) {
1457 if (!server.tunnel) {
1458 fprintf(stderr, "no imap host specified\n");
1459 return 1;
1460 }
1461 server.host = "tunnel";
1462 }
1463
1464 /* read the messages */
1465 if (read_message(stdin, &all_msgs)) {
1466 fprintf(stderr, "error reading input\n");
1467 return 1;
1468 }
1469
1470 if (all_msgs.len == 0) {
1471 fprintf(stderr, "nothing to send\n");
1472 return 1;
1473 }
1474
1475 total = count_messages(&all_msgs);
1476 if (!total) {
1477 fprintf(stderr, "no messages to send\n");
1478 return 1;
1479 }
1480
1481 /* write it to the imap server */
1482 ctx = imap_open_store(&server);
1483 if (!ctx) {
1484 fprintf(stderr, "failed to open store\n");
1485 return 1;
1486 }
1487
1488 fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : "");
1489 ctx->name = imap_folder;
1490 while (1) {
1491 unsigned percent = n * 100 / total;
1492
1493 fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total);
1494 if (!split_msg(&all_msgs, &msg, &ofs))
1495 break;
1496 if (server.use_html)
1497 wrap_in_html(&msg);
1498 r = imap_store_msg(ctx, &msg);
1499 if (r != DRV_OK)
1500 break;
1501 n++;
1502 }
1503 fprintf(stderr, "\n");
1504
1505 imap_close_store(ctx);
1506
1507 return 0;
1508 }
Jonathan Nieder’s miscellaneous git branches