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Commit | Line | Data |
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f2561fda MM |
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" | |
791643a8 | 26 | #include "credential.h" |
2fb3f6db | 27 | #include "exec_cmd.h" |
c94d2dd0 | 28 | #include "run-command.h" |
f1a35295 | 29 | #include "parse-options.h" |
684ec6c6 RS |
30 | #ifdef NO_OPENSSL |
31 | typedef void *SSL; | |
32 | #endif | |
1e16b255 BR |
33 | #ifdef USE_CURL_FOR_IMAP_SEND |
34 | #include "http.h" | |
35 | #endif | |
f2561fda | 36 | |
f1a35295 | 37 | static int verbosity; |
1e16b255 | 38 | static int use_curl; /* strictly opt in */ |
f1a35295 | 39 | |
1e16b255 | 40 | static const char * const imap_send_usage[] = { "git imap-send [-v] [-q] [--[no-]curl] < <mbox>", NULL }; |
f1a35295 BR |
41 | |
42 | static struct option imap_send_options[] = { | |
43 | OPT__VERBOSITY(&verbosity), | |
1e16b255 | 44 | OPT_BOOL(0, "curl", &use_curl, "use libcurl to communicate with the IMAP server"), |
f1a35295 BR |
45 | OPT_END() |
46 | }; | |
f2561fda | 47 | |
d23b1ecf | 48 | #undef DRV_OK |
f2561fda MM |
49 | #define DRV_OK 0 |
50 | #define DRV_MSG_BAD -1 | |
51 | #define DRV_BOX_BAD -2 | |
52 | #define DRV_STORE_BAD -3 | |
53 | ||
28bea9e5 | 54 | __attribute__((format (printf, 1, 2))) |
95c53908 | 55 | static void imap_info(const char *, ...); |
28bea9e5 | 56 | __attribute__((format (printf, 1, 2))) |
95c53908 | 57 | static void imap_warn(const char *, ...); |
f2561fda | 58 | |
95c53908 | 59 | static char *next_arg(char **); |
f2561fda | 60 | |
28bea9e5 | 61 | __attribute__((format (printf, 3, 4))) |
95c53908 | 62 | static int nfsnprintf(char *buf, int blen, const char *fmt, ...); |
f2561fda | 63 | |
19247e55 PH |
64 | static int nfvasprintf(char **strp, const char *fmt, va_list ap) |
65 | { | |
66 | int len; | |
67 | char tmp[8192]; | |
68 | ||
69 | len = vsnprintf(tmp, sizeof(tmp), fmt, ap); | |
70 | if (len < 0) | |
d7530708 | 71 | die("Fatal: Out of memory"); |
19247e55 | 72 | if (len >= sizeof(tmp)) |
d7530708 | 73 | die("imap command overflow!"); |
19247e55 PH |
74 | *strp = xmemdupz(tmp, len); |
75 | return len; | |
76 | } | |
f2561fda | 77 | |
9f1ad541 | 78 | struct imap_server_conf { |
f2561fda MM |
79 | char *name; |
80 | char *tunnel; | |
81 | char *host; | |
82 | int port; | |
39180571 | 83 | char *folder; |
f2561fda MM |
84 | char *user; |
85 | char *pass; | |
684ec6c6 RS |
86 | int use_ssl; |
87 | int ssl_verify; | |
c64d84f1 | 88 | int use_html; |
ae9c606e HM |
89 | char *auth_method; |
90 | }; | |
91 | ||
92 | static struct imap_server_conf server = { | |
93 | NULL, /* name */ | |
94 | NULL, /* tunnel */ | |
95 | NULL, /* host */ | |
96 | 0, /* port */ | |
39180571 | 97 | NULL, /* folder */ |
ae9c606e HM |
98 | NULL, /* user */ |
99 | NULL, /* pass */ | |
100 | 0, /* use_ssl */ | |
101 | 1, /* ssl_verify */ | |
102 | 0, /* use_html */ | |
103 | NULL, /* auth_method */ | |
9f1ad541 | 104 | }; |
f2561fda | 105 | |
9f1ad541 | 106 | struct imap_socket { |
7a7796e9 | 107 | int fd[2]; |
684ec6c6 | 108 | SSL *ssl; |
9f1ad541 | 109 | }; |
f2561fda | 110 | |
9f1ad541 JH |
111 | struct imap_buffer { |
112 | struct imap_socket sock; | |
f2561fda MM |
113 | int bytes; |
114 | int offset; | |
115 | char buf[1024]; | |
9f1ad541 | 116 | }; |
f2561fda MM |
117 | |
118 | struct imap_cmd; | |
119 | ||
9f1ad541 | 120 | struct imap { |
f2561fda | 121 | int uidnext; /* from SELECT responses */ |
f2561fda MM |
122 | unsigned caps, rcaps; /* CAPABILITY results */ |
123 | /* command queue */ | |
124 | int nexttag, num_in_progress, literal_pending; | |
125 | struct imap_cmd *in_progress, **in_progress_append; | |
9f1ad541 JH |
126 | struct imap_buffer buf; /* this is BIG, so put it last */ |
127 | }; | |
f2561fda | 128 | |
9f1ad541 | 129 | struct imap_store { |
636fd66b MH |
130 | /* currently open mailbox */ |
131 | const char *name; /* foreign! maybe preset? */ | |
132 | int uidvalidity; | |
9f1ad541 | 133 | struct imap *imap; |
f2561fda | 134 | const char *prefix; |
9f1ad541 | 135 | }; |
f2561fda MM |
136 | |
137 | struct imap_cmd_cb { | |
9f1ad541 JH |
138 | int (*cont)(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt); |
139 | void (*done)(struct imap_store *ctx, struct imap_cmd *cmd, int response); | |
f2561fda MM |
140 | void *ctx; |
141 | char *data; | |
142 | int dlen; | |
143 | int uid; | |
f2561fda MM |
144 | }; |
145 | ||
146 | struct imap_cmd { | |
147 | struct imap_cmd *next; | |
148 | struct imap_cmd_cb cb; | |
149 | char *cmd; | |
150 | int tag; | |
151 | }; | |
152 | ||
153 | #define CAP(cap) (imap->caps & (1 << (cap))) | |
154 | ||
155 | enum CAPABILITY { | |
156 | NOLOGIN = 0, | |
157 | UIDPLUS, | |
158 | LITERALPLUS, | |
159 | NAMESPACE, | |
684ec6c6 | 160 | STARTTLS, |
4b05548f | 161 | AUTH_CRAM_MD5 |
f2561fda MM |
162 | }; |
163 | ||
164 | static const char *cap_list[] = { | |
165 | "LOGINDISABLED", | |
166 | "UIDPLUS", | |
167 | "LITERAL+", | |
168 | "NAMESPACE", | |
684ec6c6 | 169 | "STARTTLS", |
ae9c606e | 170 | "AUTH=CRAM-MD5", |
f2561fda MM |
171 | }; |
172 | ||
173 | #define RESP_OK 0 | |
174 | #define RESP_NO 1 | |
175 | #define RESP_BAD 2 | |
176 | ||
9f1ad541 | 177 | static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd); |
f2561fda MM |
178 | |
179 | ||
684ec6c6 RS |
180 | #ifndef NO_OPENSSL |
181 | static void ssl_socket_perror(const char *func) | |
182 | { | |
2af202be | 183 | fprintf(stderr, "%s: %s\n", func, ERR_error_string(ERR_get_error(), NULL)); |
684ec6c6 RS |
184 | } |
185 | #endif | |
186 | ||
9f1ad541 | 187 | static void socket_perror(const char *func, struct imap_socket *sock, int ret) |
f2561fda | 188 | { |
684ec6c6 RS |
189 | #ifndef NO_OPENSSL |
190 | if (sock->ssl) { | |
191 | int sslerr = SSL_get_error(sock->ssl, ret); | |
192 | switch (sslerr) { | |
193 | case SSL_ERROR_NONE: | |
194 | break; | |
195 | case SSL_ERROR_SYSCALL: | |
196 | perror("SSL_connect"); | |
197 | break; | |
198 | default: | |
199 | ssl_socket_perror("SSL_connect"); | |
200 | break; | |
201 | } | |
202 | } else | |
203 | #endif | |
204 | { | |
205 | if (ret < 0) | |
206 | perror(func); | |
207 | else | |
208 | fprintf(stderr, "%s: unexpected EOF\n", func); | |
209 | } | |
210 | } | |
211 | ||
1e1fe529 | 212 | #ifdef NO_OPENSSL |
9f1ad541 | 213 | static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int verify) |
684ec6c6 | 214 | { |
684ec6c6 RS |
215 | fprintf(stderr, "SSL requested but SSL support not compiled in\n"); |
216 | return -1; | |
1e1fe529 JH |
217 | } |
218 | ||
1e380ddc | 219 | #else |
1e1fe529 | 220 | |
b62fb077 OB |
221 | static int host_matches(const char *host, const char *pattern) |
222 | { | |
223 | if (pattern[0] == '*' && pattern[1] == '.') { | |
224 | pattern += 2; | |
225 | if (!(host = strchr(host, '.'))) | |
226 | return 0; | |
227 | host++; | |
228 | } | |
229 | ||
230 | return *host && *pattern && !strcasecmp(host, pattern); | |
231 | } | |
232 | ||
233 | static int verify_hostname(X509 *cert, const char *hostname) | |
234 | { | |
235 | int len; | |
236 | X509_NAME *subj; | |
237 | char cname[1000]; | |
e174744a OB |
238 | int i, found; |
239 | STACK_OF(GENERAL_NAME) *subj_alt_names; | |
240 | ||
241 | /* try the DNS subjectAltNames */ | |
242 | found = 0; | |
243 | if ((subj_alt_names = X509_get_ext_d2i(cert, NID_subject_alt_name, NULL, NULL))) { | |
244 | int num_subj_alt_names = sk_GENERAL_NAME_num(subj_alt_names); | |
245 | for (i = 0; !found && i < num_subj_alt_names; i++) { | |
246 | GENERAL_NAME *subj_alt_name = sk_GENERAL_NAME_value(subj_alt_names, i); | |
247 | if (subj_alt_name->type == GEN_DNS && | |
248 | strlen((const char *)subj_alt_name->d.ia5->data) == (size_t)subj_alt_name->d.ia5->length && | |
249 | host_matches(hostname, (const char *)(subj_alt_name->d.ia5->data))) | |
250 | found = 1; | |
251 | } | |
252 | sk_GENERAL_NAME_pop_free(subj_alt_names, GENERAL_NAME_free); | |
253 | } | |
254 | if (found) | |
255 | return 0; | |
b62fb077 OB |
256 | |
257 | /* try the common name */ | |
258 | if (!(subj = X509_get_subject_name(cert))) | |
259 | return error("cannot get certificate subject"); | |
260 | if ((len = X509_NAME_get_text_by_NID(subj, NID_commonName, cname, sizeof(cname))) < 0) | |
261 | return error("cannot get certificate common name"); | |
262 | if (strlen(cname) == (size_t)len && host_matches(hostname, cname)) | |
263 | return 0; | |
264 | return error("certificate owner '%s' does not match hostname '%s'", | |
265 | cname, hostname); | |
266 | } | |
267 | ||
1e1fe529 JH |
268 | static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int verify) |
269 | { | |
1e380ddc VL |
270 | #if (OPENSSL_VERSION_NUMBER >= 0x10000000L) |
271 | const SSL_METHOD *meth; | |
684ec6c6 RS |
272 | #else |
273 | SSL_METHOD *meth; | |
1e380ddc | 274 | #endif |
684ec6c6 RS |
275 | SSL_CTX *ctx; |
276 | int ret; | |
b62fb077 | 277 | X509 *cert; |
684ec6c6 RS |
278 | |
279 | SSL_library_init(); | |
280 | SSL_load_error_strings(); | |
281 | ||
282 | if (use_tls_only) | |
283 | meth = TLSv1_method(); | |
f2561fda | 284 | else |
684ec6c6 RS |
285 | meth = SSLv23_method(); |
286 | ||
287 | if (!meth) { | |
288 | ssl_socket_perror("SSLv23_method"); | |
289 | return -1; | |
290 | } | |
291 | ||
292 | ctx = SSL_CTX_new(meth); | |
293 | ||
294 | if (verify) | |
295 | SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL); | |
296 | ||
297 | if (!SSL_CTX_set_default_verify_paths(ctx)) { | |
298 | ssl_socket_perror("SSL_CTX_set_default_verify_paths"); | |
299 | return -1; | |
300 | } | |
301 | sock->ssl = SSL_new(ctx); | |
302 | if (!sock->ssl) { | |
303 | ssl_socket_perror("SSL_new"); | |
304 | return -1; | |
305 | } | |
7a7796e9 EFL |
306 | if (!SSL_set_rfd(sock->ssl, sock->fd[0])) { |
307 | ssl_socket_perror("SSL_set_rfd"); | |
308 | return -1; | |
309 | } | |
310 | if (!SSL_set_wfd(sock->ssl, sock->fd[1])) { | |
311 | ssl_socket_perror("SSL_set_wfd"); | |
684ec6c6 RS |
312 | return -1; |
313 | } | |
314 | ||
698a1ec4 JH |
315 | #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME |
316 | /* | |
317 | * SNI (RFC4366) | |
318 | * OpenSSL does not document this function, but the implementation | |
319 | * returns 1 on success, 0 on failure after calling SSLerr(). | |
320 | */ | |
321 | ret = SSL_set_tlsext_host_name(sock->ssl, server.host); | |
322 | if (ret != 1) | |
323 | warning("SSL_set_tlsext_host_name(%s) failed.", server.host); | |
324 | #endif | |
325 | ||
684ec6c6 RS |
326 | ret = SSL_connect(sock->ssl); |
327 | if (ret <= 0) { | |
328 | socket_perror("SSL_connect", sock, ret); | |
329 | return -1; | |
330 | } | |
331 | ||
b62fb077 OB |
332 | if (verify) { |
333 | /* make sure the hostname matches that of the certificate */ | |
334 | cert = SSL_get_peer_certificate(sock->ssl); | |
335 | if (!cert) | |
336 | return error("unable to get peer certificate."); | |
337 | if (verify_hostname(cert, server.host) < 0) | |
338 | return -1; | |
339 | } | |
340 | ||
684ec6c6 | 341 | return 0; |
f2561fda | 342 | } |
1e1fe529 | 343 | #endif |
f2561fda | 344 | |
9f1ad541 | 345 | static int socket_read(struct imap_socket *sock, char *buf, int len) |
f2561fda | 346 | { |
684ec6c6 RS |
347 | ssize_t n; |
348 | #ifndef NO_OPENSSL | |
349 | if (sock->ssl) | |
350 | n = SSL_read(sock->ssl, buf, len); | |
351 | else | |
352 | #endif | |
7a7796e9 | 353 | n = xread(sock->fd[0], buf, len); |
f2561fda | 354 | if (n <= 0) { |
95c53908 | 355 | socket_perror("read", sock, n); |
7a7796e9 EFL |
356 | close(sock->fd[0]); |
357 | close(sock->fd[1]); | |
358 | sock->fd[0] = sock->fd[1] = -1; | |
f2561fda MM |
359 | } |
360 | return n; | |
361 | } | |
362 | ||
9f1ad541 | 363 | static int socket_write(struct imap_socket *sock, const char *buf, int len) |
f2561fda | 364 | { |
684ec6c6 RS |
365 | int n; |
366 | #ifndef NO_OPENSSL | |
367 | if (sock->ssl) | |
368 | n = SSL_write(sock->ssl, buf, len); | |
369 | else | |
370 | #endif | |
7a7796e9 | 371 | n = write_in_full(sock->fd[1], buf, len); |
f2561fda | 372 | if (n != len) { |
95c53908 | 373 | socket_perror("write", sock, n); |
7a7796e9 EFL |
374 | close(sock->fd[0]); |
375 | close(sock->fd[1]); | |
376 | sock->fd[0] = sock->fd[1] = -1; | |
f2561fda MM |
377 | } |
378 | return n; | |
379 | } | |
380 | ||
9f1ad541 | 381 | static void socket_shutdown(struct imap_socket *sock) |
684ec6c6 RS |
382 | { |
383 | #ifndef NO_OPENSSL | |
384 | if (sock->ssl) { | |
385 | SSL_shutdown(sock->ssl); | |
386 | SSL_free(sock->ssl); | |
387 | } | |
388 | #endif | |
7a7796e9 EFL |
389 | close(sock->fd[0]); |
390 | close(sock->fd[1]); | |
684ec6c6 RS |
391 | } |
392 | ||
f2561fda | 393 | /* simple line buffering */ |
9f1ad541 | 394 | static int buffer_gets(struct imap_buffer *b, char **s) |
f2561fda MM |
395 | { |
396 | int n; | |
397 | int start = b->offset; | |
398 | ||
399 | *s = b->buf + start; | |
400 | ||
401 | for (;;) { | |
402 | /* make sure we have enough data to read the \r\n sequence */ | |
403 | if (b->offset + 1 >= b->bytes) { | |
404 | if (start) { | |
405 | /* shift down used bytes */ | |
406 | *s = b->buf; | |
407 | ||
95c53908 | 408 | assert(start <= b->bytes); |
f2561fda MM |
409 | n = b->bytes - start; |
410 | ||
411 | if (n) | |
173a9cbe | 412 | memmove(b->buf, b->buf + start, n); |
f2561fda MM |
413 | b->offset -= start; |
414 | b->bytes = n; | |
415 | start = 0; | |
416 | } | |
417 | ||
95c53908 RS |
418 | n = socket_read(&b->sock, b->buf + b->bytes, |
419 | sizeof(b->buf) - b->bytes); | |
f2561fda MM |
420 | |
421 | if (n <= 0) | |
422 | return -1; | |
423 | ||
424 | b->bytes += n; | |
425 | } | |
426 | ||
427 | if (b->buf[b->offset] == '\r') { | |
95c53908 | 428 | assert(b->offset + 1 < b->bytes); |
f2561fda MM |
429 | if (b->buf[b->offset + 1] == '\n') { |
430 | b->buf[b->offset] = 0; /* terminate the string */ | |
431 | b->offset += 2; /* next line */ | |
f1a35295 | 432 | if (0 < verbosity) |
95c53908 | 433 | puts(*s); |
f2561fda MM |
434 | return 0; |
435 | } | |
436 | } | |
437 | ||
438 | b->offset++; | |
439 | } | |
440 | /* not reached */ | |
441 | } | |
442 | ||
95c53908 | 443 | static void imap_info(const char *msg, ...) |
f2561fda MM |
444 | { |
445 | va_list va; | |
446 | ||
f1a35295 | 447 | if (0 <= verbosity) { |
95c53908 RS |
448 | va_start(va, msg); |
449 | vprintf(msg, va); | |
450 | va_end(va); | |
451 | fflush(stdout); | |
f2561fda MM |
452 | } |
453 | } | |
454 | ||
95c53908 | 455 | static void imap_warn(const char *msg, ...) |
f2561fda MM |
456 | { |
457 | va_list va; | |
458 | ||
f1a35295 | 459 | if (-2 < verbosity) { |
95c53908 RS |
460 | va_start(va, msg); |
461 | vfprintf(stderr, msg, va); | |
462 | va_end(va); | |
f2561fda MM |
463 | } |
464 | } | |
465 | ||
95c53908 | 466 | static char *next_arg(char **s) |
f2561fda MM |
467 | { |
468 | char *ret; | |
469 | ||
470 | if (!s || !*s) | |
5142db69 | 471 | return NULL; |
95c53908 | 472 | while (isspace((unsigned char) **s)) |
f2561fda MM |
473 | (*s)++; |
474 | if (!**s) { | |
5142db69 RS |
475 | *s = NULL; |
476 | return NULL; | |
f2561fda MM |
477 | } |
478 | if (**s == '"') { | |
479 | ++*s; | |
480 | ret = *s; | |
95c53908 | 481 | *s = strchr(*s, '"'); |
f2561fda MM |
482 | } else { |
483 | ret = *s; | |
95c53908 | 484 | while (**s && !isspace((unsigned char) **s)) |
f2561fda MM |
485 | (*s)++; |
486 | } | |
487 | if (*s) { | |
488 | if (**s) | |
489 | *(*s)++ = 0; | |
490 | if (!**s) | |
5142db69 | 491 | *s = NULL; |
f2561fda MM |
492 | } |
493 | return ret; | |
494 | } | |
495 | ||
95c53908 | 496 | static int nfsnprintf(char *buf, int blen, const char *fmt, ...) |
f2561fda MM |
497 | { |
498 | int ret; | |
499 | va_list va; | |
500 | ||
95c53908 RS |
501 | va_start(va, fmt); |
502 | if (blen <= 0 || (unsigned)(ret = vsnprintf(buf, blen, fmt, va)) >= (unsigned)blen) | |
d7530708 | 503 | die("Fatal: buffer too small. Please report a bug."); |
95c53908 | 504 | va_end(va); |
f2561fda MM |
505 | return ret; |
506 | } | |
507 | ||
e0d8e308 TF |
508 | static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx, |
509 | struct imap_cmd_cb *cb, | |
510 | const char *fmt, va_list ap) | |
f2561fda | 511 | { |
9f1ad541 | 512 | struct imap *imap = ctx->imap; |
f2561fda MM |
513 | struct imap_cmd *cmd; |
514 | int n, bufl; | |
515 | char buf[1024]; | |
516 | ||
95c53908 RS |
517 | cmd = xmalloc(sizeof(struct imap_cmd)); |
518 | nfvasprintf(&cmd->cmd, fmt, ap); | |
f2561fda MM |
519 | cmd->tag = ++imap->nexttag; |
520 | ||
521 | if (cb) | |
522 | cmd->cb = *cb; | |
523 | else | |
95c53908 | 524 | memset(&cmd->cb, 0, sizeof(cmd->cb)); |
f2561fda MM |
525 | |
526 | while (imap->literal_pending) | |
95c53908 | 527 | get_cmd_result(ctx, NULL); |
f2561fda | 528 | |
1702b138 ÆAB |
529 | if (!cmd->cb.data) |
530 | bufl = nfsnprintf(buf, sizeof(buf), "%d %s\r\n", cmd->tag, cmd->cmd); | |
531 | else | |
532 | bufl = nfsnprintf(buf, sizeof(buf), "%d %s{%d%s}\r\n", | |
533 | cmd->tag, cmd->cmd, cmd->cb.dlen, | |
534 | CAP(LITERALPLUS) ? "+" : ""); | |
f2561fda | 535 | |
f1a35295 | 536 | if (0 < verbosity) { |
f2561fda | 537 | if (imap->num_in_progress) |
95c53908 | 538 | printf("(%d in progress) ", imap->num_in_progress); |
ba9b9e12 | 539 | if (!starts_with(cmd->cmd, "LOGIN")) |
95c53908 | 540 | printf(">>> %s", buf); |
f2561fda | 541 | else |
95c53908 | 542 | printf(">>> %d LOGIN <user> <pass>\n", cmd->tag); |
f2561fda | 543 | } |
95c53908 RS |
544 | if (socket_write(&imap->buf.sock, buf, bufl) != bufl) { |
545 | free(cmd->cmd); | |
546 | free(cmd); | |
8e0f7003 | 547 | if (cb) |
95c53908 | 548 | free(cb->data); |
f2561fda MM |
549 | return NULL; |
550 | } | |
551 | if (cmd->cb.data) { | |
552 | if (CAP(LITERALPLUS)) { | |
95c53908 RS |
553 | n = socket_write(&imap->buf.sock, cmd->cb.data, cmd->cb.dlen); |
554 | free(cmd->cb.data); | |
f2561fda | 555 | if (n != cmd->cb.dlen || |
8e76bf3f | 556 | socket_write(&imap->buf.sock, "\r\n", 2) != 2) { |
95c53908 RS |
557 | free(cmd->cmd); |
558 | free(cmd); | |
f2561fda MM |
559 | return NULL; |
560 | } | |
5142db69 | 561 | cmd->cb.data = NULL; |
f2561fda MM |
562 | } else |
563 | imap->literal_pending = 1; | |
564 | } else if (cmd->cb.cont) | |
565 | imap->literal_pending = 1; | |
5142db69 | 566 | cmd->next = NULL; |
f2561fda MM |
567 | *imap->in_progress_append = cmd; |
568 | imap->in_progress_append = &cmd->next; | |
569 | imap->num_in_progress++; | |
570 | return cmd; | |
571 | } | |
572 | ||
28bea9e5 | 573 | __attribute__((format (printf, 3, 4))) |
9f1ad541 | 574 | static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb, |
95c53908 | 575 | const char *fmt, ...) |
f2561fda MM |
576 | { |
577 | va_list ap; | |
578 | struct imap_cmd *cmdp; | |
579 | ||
95c53908 | 580 | va_start(ap, fmt); |
e0d8e308 | 581 | cmdp = issue_imap_cmd(ctx, cb, fmt, ap); |
95c53908 | 582 | va_end(ap); |
f2561fda MM |
583 | if (!cmdp) |
584 | return RESP_BAD; | |
585 | ||
95c53908 | 586 | return get_cmd_result(ctx, cmdp); |
f2561fda MM |
587 | } |
588 | ||
28bea9e5 | 589 | __attribute__((format (printf, 3, 4))) |
9f1ad541 | 590 | static int imap_exec_m(struct imap_store *ctx, struct imap_cmd_cb *cb, |
95c53908 | 591 | const char *fmt, ...) |
f2561fda MM |
592 | { |
593 | va_list ap; | |
594 | struct imap_cmd *cmdp; | |
595 | ||
95c53908 | 596 | va_start(ap, fmt); |
e0d8e308 | 597 | cmdp = issue_imap_cmd(ctx, cb, fmt, ap); |
95c53908 | 598 | va_end(ap); |
f2561fda MM |
599 | if (!cmdp) |
600 | return DRV_STORE_BAD; | |
601 | ||
95c53908 | 602 | switch (get_cmd_result(ctx, cmdp)) { |
f2561fda MM |
603 | case RESP_BAD: return DRV_STORE_BAD; |
604 | case RESP_NO: return DRV_MSG_BAD; | |
605 | default: return DRV_OK; | |
606 | } | |
607 | } | |
608 | ||
3648b4d9 | 609 | static int skip_imap_list_l(char **sp, int level) |
f2561fda | 610 | { |
3648b4d9 | 611 | char *s = *sp; |
f2561fda MM |
612 | |
613 | for (;;) { | |
95c53908 | 614 | while (isspace((unsigned char)*s)) |
f2561fda MM |
615 | s++; |
616 | if (level && *s == ')') { | |
617 | s++; | |
618 | break; | |
619 | } | |
f2561fda MM |
620 | if (*s == '(') { |
621 | /* sublist */ | |
622 | s++; | |
3648b4d9 | 623 | if (skip_imap_list_l(&s, level + 1)) |
f2561fda MM |
624 | goto bail; |
625 | } else if (*s == '"') { | |
626 | /* quoted string */ | |
627 | s++; | |
f2561fda MM |
628 | for (; *s != '"'; s++) |
629 | if (!*s) | |
630 | goto bail; | |
f2561fda | 631 | s++; |
f2561fda MM |
632 | } else { |
633 | /* atom */ | |
95c53908 | 634 | for (; *s && !isspace((unsigned char)*s); s++) |
f2561fda MM |
635 | if (level && *s == ')') |
636 | break; | |
f2561fda MM |
637 | } |
638 | ||
639 | if (!level) | |
640 | break; | |
641 | if (!*s) | |
642 | goto bail; | |
643 | } | |
644 | *sp = s; | |
f2561fda MM |
645 | return 0; |
646 | ||
9f1ad541 | 647 | bail: |
f2561fda MM |
648 | return -1; |
649 | } | |
650 | ||
3648b4d9 | 651 | static void skip_list(char **sp) |
f2561fda | 652 | { |
3648b4d9 | 653 | skip_imap_list_l(sp, 0); |
f2561fda MM |
654 | } |
655 | ||
9f1ad541 | 656 | static void parse_capability(struct imap *imap, char *cmd) |
f2561fda MM |
657 | { |
658 | char *arg; | |
659 | unsigned i; | |
660 | ||
661 | imap->caps = 0x80000000; | |
95c53908 | 662 | while ((arg = next_arg(&cmd))) |
f2561fda | 663 | for (i = 0; i < ARRAY_SIZE(cap_list); i++) |
95c53908 | 664 | if (!strcmp(cap_list[i], arg)) |
f2561fda MM |
665 | imap->caps |= 1 << i; |
666 | imap->rcaps = imap->caps; | |
667 | } | |
668 | ||
9f1ad541 | 669 | static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb, |
95c53908 | 670 | char *s) |
f2561fda | 671 | { |
9f1ad541 | 672 | struct imap *imap = ctx->imap; |
f2561fda MM |
673 | char *arg, *p; |
674 | ||
675 | if (*s != '[') | |
676 | return RESP_OK; /* no response code */ | |
677 | s++; | |
95c53908 RS |
678 | if (!(p = strchr(s, ']'))) { |
679 | fprintf(stderr, "IMAP error: malformed response code\n"); | |
f2561fda MM |
680 | return RESP_BAD; |
681 | } | |
682 | *p++ = 0; | |
95c53908 RS |
683 | arg = next_arg(&s); |
684 | if (!strcmp("UIDVALIDITY", arg)) { | |
636fd66b | 685 | if (!(arg = next_arg(&s)) || !(ctx->uidvalidity = atoi(arg))) { |
95c53908 | 686 | fprintf(stderr, "IMAP error: malformed UIDVALIDITY status\n"); |
f2561fda MM |
687 | return RESP_BAD; |
688 | } | |
95c53908 RS |
689 | } else if (!strcmp("UIDNEXT", arg)) { |
690 | if (!(arg = next_arg(&s)) || !(imap->uidnext = atoi(arg))) { | |
691 | fprintf(stderr, "IMAP error: malformed NEXTUID status\n"); | |
f2561fda MM |
692 | return RESP_BAD; |
693 | } | |
95c53908 RS |
694 | } else if (!strcmp("CAPABILITY", arg)) { |
695 | parse_capability(imap, s); | |
696 | } else if (!strcmp("ALERT", arg)) { | |
f2561fda MM |
697 | /* RFC2060 says that these messages MUST be displayed |
698 | * to the user | |
699 | */ | |
95c53908 RS |
700 | for (; isspace((unsigned char)*p); p++); |
701 | fprintf(stderr, "*** IMAP ALERT *** %s\n", p); | |
702 | } else if (cb && cb->ctx && !strcmp("APPENDUID", arg)) { | |
636fd66b | 703 | if (!(arg = next_arg(&s)) || !(ctx->uidvalidity = atoi(arg)) || |
9f1ad541 | 704 | !(arg = next_arg(&s)) || !(*(int *)cb->ctx = atoi(arg))) { |
95c53908 | 705 | fprintf(stderr, "IMAP error: malformed APPENDUID status\n"); |
f2561fda MM |
706 | return RESP_BAD; |
707 | } | |
708 | } | |
709 | return RESP_OK; | |
710 | } | |
711 | ||
9f1ad541 | 712 | static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd) |
f2561fda | 713 | { |
9f1ad541 | 714 | struct imap *imap = ctx->imap; |
e0d8e308 TF |
715 | struct imap_cmd *cmdp, **pcmdp; |
716 | char *cmd, *arg, *arg1; | |
f2561fda MM |
717 | int n, resp, resp2, tag; |
718 | ||
719 | for (;;) { | |
95c53908 | 720 | if (buffer_gets(&imap->buf, &cmd)) |
f2561fda MM |
721 | return RESP_BAD; |
722 | ||
95c53908 | 723 | arg = next_arg(&cmd); |
f2561fda | 724 | if (*arg == '*') { |
95c53908 | 725 | arg = next_arg(&cmd); |
f2561fda | 726 | if (!arg) { |
95c53908 | 727 | fprintf(stderr, "IMAP error: unable to parse untagged response\n"); |
f2561fda MM |
728 | return RESP_BAD; |
729 | } | |
730 | ||
95c53908 | 731 | if (!strcmp("NAMESPACE", arg)) { |
3648b4d9 MH |
732 | /* rfc2342 NAMESPACE response. */ |
733 | skip_list(&cmd); /* Personal mailboxes */ | |
734 | skip_list(&cmd); /* Others' mailboxes */ | |
735 | skip_list(&cmd); /* Shared mailboxes */ | |
95c53908 RS |
736 | } else if (!strcmp("OK", arg) || !strcmp("BAD", arg) || |
737 | !strcmp("NO", arg) || !strcmp("BYE", arg)) { | |
738 | if ((resp = parse_response_code(ctx, NULL, cmd)) != RESP_OK) | |
f2561fda | 739 | return resp; |
1efee7ff | 740 | } else if (!strcmp("CAPABILITY", arg)) { |
95c53908 | 741 | parse_capability(imap, cmd); |
1efee7ff MH |
742 | } else if ((arg1 = next_arg(&cmd))) { |
743 | ; /* | |
744 | * Unhandled response-data with at least two words. | |
745 | * Ignore it. | |
746 | * | |
747 | * NEEDSWORK: Previously this case handled '<num> EXISTS' | |
748 | * and '<num> RECENT' but as a probably-unintended side | |
749 | * effect it ignores other unrecognized two-word | |
750 | * responses. imap-send doesn't ever try to read | |
751 | * messages or mailboxes these days, so consider | |
752 | * eliminating this case. | |
753 | */ | |
f2561fda | 754 | } else { |
95c53908 | 755 | fprintf(stderr, "IMAP error: unable to parse untagged response\n"); |
f2561fda MM |
756 | return RESP_BAD; |
757 | } | |
758 | } else if (!imap->in_progress) { | |
95c53908 | 759 | fprintf(stderr, "IMAP error: unexpected reply: %s %s\n", arg, cmd ? cmd : ""); |
f2561fda MM |
760 | return RESP_BAD; |
761 | } else if (*arg == '+') { | |
762 | /* This can happen only with the last command underway, as | |
763 | it enforces a round-trip. */ | |
764 | cmdp = (struct imap_cmd *)((char *)imap->in_progress_append - | |
765 | offsetof(struct imap_cmd, next)); | |
766 | if (cmdp->cb.data) { | |
95c53908 RS |
767 | n = socket_write(&imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen); |
768 | free(cmdp->cb.data); | |
5142db69 | 769 | cmdp->cb.data = NULL; |
f2561fda MM |
770 | if (n != (int)cmdp->cb.dlen) |
771 | return RESP_BAD; | |
772 | } else if (cmdp->cb.cont) { | |
95c53908 | 773 | if (cmdp->cb.cont(ctx, cmdp, cmd)) |
f2561fda MM |
774 | return RESP_BAD; |
775 | } else { | |
95c53908 | 776 | fprintf(stderr, "IMAP error: unexpected command continuation request\n"); |
f2561fda MM |
777 | return RESP_BAD; |
778 | } | |
95c53908 | 779 | if (socket_write(&imap->buf.sock, "\r\n", 2) != 2) |
f2561fda MM |
780 | return RESP_BAD; |
781 | if (!cmdp->cb.cont) | |
782 | imap->literal_pending = 0; | |
783 | if (!tcmd) | |
784 | return DRV_OK; | |
785 | } else { | |
95c53908 | 786 | tag = atoi(arg); |
f2561fda MM |
787 | for (pcmdp = &imap->in_progress; (cmdp = *pcmdp); pcmdp = &cmdp->next) |
788 | if (cmdp->tag == tag) | |
789 | goto gottag; | |
95c53908 | 790 | fprintf(stderr, "IMAP error: unexpected tag %s\n", arg); |
f2561fda | 791 | return RESP_BAD; |
9f1ad541 | 792 | gottag: |
f2561fda MM |
793 | if (!(*pcmdp = cmdp->next)) |
794 | imap->in_progress_append = pcmdp; | |
795 | imap->num_in_progress--; | |
796 | if (cmdp->cb.cont || cmdp->cb.data) | |
797 | imap->literal_pending = 0; | |
95c53908 RS |
798 | arg = next_arg(&cmd); |
799 | if (!strcmp("OK", arg)) | |
f2561fda MM |
800 | resp = DRV_OK; |
801 | else { | |
e0d8e308 | 802 | if (!strcmp("NO", arg)) |
f2561fda | 803 | resp = RESP_NO; |
e0d8e308 | 804 | else /*if (!strcmp("BAD", arg))*/ |
f2561fda | 805 | resp = RESP_BAD; |
95c53908 | 806 | fprintf(stderr, "IMAP command '%s' returned response (%s) - %s\n", |
ba9b9e12 | 807 | !starts_with(cmdp->cmd, "LOGIN") ? |
f2561fda MM |
808 | cmdp->cmd : "LOGIN <user> <pass>", |
809 | arg, cmd ? cmd : ""); | |
810 | } | |
95c53908 | 811 | if ((resp2 = parse_response_code(ctx, &cmdp->cb, cmd)) > resp) |
f2561fda | 812 | resp = resp2; |
f2561fda | 813 | if (cmdp->cb.done) |
95c53908 RS |
814 | cmdp->cb.done(ctx, cmdp, resp); |
815 | free(cmdp->cb.data); | |
816 | free(cmdp->cmd); | |
817 | free(cmdp); | |
f2561fda MM |
818 | if (!tcmd || tcmd == cmdp) |
819 | return resp; | |
820 | } | |
821 | } | |
822 | /* not reached */ | |
823 | } | |
824 | ||
9f1ad541 | 825 | static void imap_close_server(struct imap_store *ictx) |
f2561fda | 826 | { |
9f1ad541 | 827 | struct imap *imap = ictx->imap; |
f2561fda | 828 | |
7a7796e9 | 829 | if (imap->buf.sock.fd[0] != -1) { |
95c53908 RS |
830 | imap_exec(ictx, NULL, "LOGOUT"); |
831 | socket_shutdown(&imap->buf.sock); | |
f2561fda | 832 | } |
95c53908 | 833 | free(imap); |
f2561fda MM |
834 | } |
835 | ||
fe47e1df | 836 | static void imap_close_store(struct imap_store *ctx) |
f2561fda | 837 | { |
fe47e1df | 838 | imap_close_server(ctx); |
95c53908 | 839 | free(ctx); |
f2561fda MM |
840 | } |
841 | ||
ae9c606e HM |
842 | #ifndef NO_OPENSSL |
843 | ||
844 | /* | |
845 | * hexchar() and cram() functions are based on the code from the isync | |
846 | * project (http://isync.sf.net/). | |
847 | */ | |
848 | static char hexchar(unsigned int b) | |
f2561fda | 849 | { |
ae9c606e | 850 | return b < 10 ? '0' + b : 'a' + (b - 10); |
f2561fda MM |
851 | } |
852 | ||
ae9c606e HM |
853 | #define ENCODED_SIZE(n) (4*((n+2)/3)) |
854 | static char *cram(const char *challenge_64, const char *user, const char *pass) | |
f2561fda | 855 | { |
ae9c606e HM |
856 | int i, resp_len, encoded_len, decoded_len; |
857 | HMAC_CTX hmac; | |
858 | unsigned char hash[16]; | |
859 | char hex[33]; | |
860 | char *response, *response_64, *challenge; | |
861 | ||
862 | /* | |
863 | * length of challenge_64 (i.e. base-64 encoded string) is a good | |
864 | * enough upper bound for challenge (decoded result). | |
865 | */ | |
866 | encoded_len = strlen(challenge_64); | |
867 | challenge = xmalloc(encoded_len); | |
868 | decoded_len = EVP_DecodeBlock((unsigned char *)challenge, | |
869 | (unsigned char *)challenge_64, encoded_len); | |
870 | if (decoded_len < 0) | |
871 | die("invalid challenge %s", challenge_64); | |
872 | HMAC_Init(&hmac, (unsigned char *)pass, strlen(pass), EVP_md5()); | |
873 | HMAC_Update(&hmac, (unsigned char *)challenge, decoded_len); | |
874 | HMAC_Final(&hmac, hash, NULL); | |
875 | HMAC_CTX_cleanup(&hmac); | |
876 | ||
877 | hex[32] = 0; | |
878 | for (i = 0; i < 16; i++) { | |
879 | hex[2 * i] = hexchar((hash[i] >> 4) & 0xf); | |
880 | hex[2 * i + 1] = hexchar(hash[i] & 0xf); | |
881 | } | |
882 | ||
883 | /* response: "<user> <digest in hex>" */ | |
884 | resp_len = strlen(user) + 1 + strlen(hex) + 1; | |
885 | response = xmalloc(resp_len); | |
886 | sprintf(response, "%s %s", user, hex); | |
887 | ||
888 | response_64 = xmalloc(ENCODED_SIZE(resp_len) + 1); | |
889 | encoded_len = EVP_EncodeBlock((unsigned char *)response_64, | |
890 | (unsigned char *)response, resp_len); | |
891 | if (encoded_len < 0) | |
892 | die("EVP_EncodeBlock error"); | |
893 | response_64[encoded_len] = '\0'; | |
894 | return (char *)response_64; | |
895 | } | |
896 | ||
897 | #else | |
898 | ||
899 | static char *cram(const char *challenge_64, const char *user, const char *pass) | |
900 | { | |
901 | die("If you want to use CRAM-MD5 authenticate method, " | |
902 | "you have to build git-imap-send with OpenSSL library."); | |
903 | } | |
904 | ||
905 | #endif | |
906 | ||
907 | static int auth_cram_md5(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt) | |
908 | { | |
909 | int ret; | |
910 | char *response; | |
911 | ||
912 | response = cram(prompt, server.user, server.pass); | |
913 | ||
914 | ret = socket_write(&ctx->imap->buf.sock, response, strlen(response)); | |
915 | if (ret != strlen(response)) | |
82247e9b | 916 | return error("IMAP error: sending response failed"); |
ae9c606e HM |
917 | |
918 | free(response); | |
919 | ||
920 | return 0; | |
921 | } | |
922 | ||
e0d8e308 | 923 | static struct imap_store *imap_open_store(struct imap_server_conf *srvc, char *folder) |
f2561fda | 924 | { |
791643a8 | 925 | struct credential cred = CREDENTIAL_INIT; |
9f1ad541 JH |
926 | struct imap_store *ctx; |
927 | struct imap *imap; | |
f2561fda | 928 | char *arg, *rsp; |
c94d2dd0 | 929 | int s = -1, preauth; |
f2561fda | 930 | |
3345c0f5 | 931 | ctx = xcalloc(1, sizeof(*ctx)); |
f2561fda | 932 | |
693eb02a | 933 | ctx->imap = imap = xcalloc(1, sizeof(*imap)); |
7a7796e9 | 934 | imap->buf.sock.fd[0] = imap->buf.sock.fd[1] = -1; |
f2561fda MM |
935 | imap->in_progress_append = &imap->in_progress; |
936 | ||
937 | /* open connection to IMAP server */ | |
938 | ||
939 | if (srvc->tunnel) { | |
d3180279 | 940 | struct child_process tunnel = CHILD_PROCESS_INIT; |
f2561fda | 941 | |
c94d2dd0 | 942 | imap_info("Starting tunnel '%s'... ", srvc->tunnel); |
f2561fda | 943 | |
f9dc5d65 | 944 | argv_array_push(&tunnel.args, srvc->tunnel); |
ac0ba18d | 945 | tunnel.use_shell = 1; |
c94d2dd0 EFL |
946 | tunnel.in = -1; |
947 | tunnel.out = -1; | |
948 | if (start_command(&tunnel)) | |
f9dc5d65 | 949 | die("cannot start proxy %s", srvc->tunnel); |
f2561fda | 950 | |
c94d2dd0 EFL |
951 | imap->buf.sock.fd[0] = tunnel.out; |
952 | imap->buf.sock.fd[1] = tunnel.in; | |
f2561fda | 953 | |
95c53908 | 954 | imap_info("ok\n"); |
f2561fda | 955 | } else { |
94ad2437 BK |
956 | #ifndef NO_IPV6 |
957 | struct addrinfo hints, *ai0, *ai; | |
958 | int gai; | |
959 | char portstr[6]; | |
960 | ||
1702b138 | 961 | snprintf(portstr, sizeof(portstr), "%d", srvc->port); |
94ad2437 BK |
962 | |
963 | memset(&hints, 0, sizeof(hints)); | |
964 | hints.ai_socktype = SOCK_STREAM; | |
965 | hints.ai_protocol = IPPROTO_TCP; | |
f2561fda | 966 | |
94ad2437 BK |
967 | imap_info("Resolving %s... ", srvc->host); |
968 | gai = getaddrinfo(srvc->host, portstr, &hints, &ai); | |
969 | if (gai) { | |
970 | fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(gai)); | |
971 | goto bail; | |
f2561fda | 972 | } |
94ad2437 | 973 | imap_info("ok\n"); |
f2561fda | 974 | |
94ad2437 BK |
975 | for (ai0 = ai; ai; ai = ai->ai_next) { |
976 | char addr[NI_MAXHOST]; | |
f2561fda | 977 | |
94ad2437 BK |
978 | s = socket(ai->ai_family, ai->ai_socktype, |
979 | ai->ai_protocol); | |
980 | if (s < 0) | |
981 | continue; | |
f2561fda | 982 | |
94ad2437 BK |
983 | getnameinfo(ai->ai_addr, ai->ai_addrlen, addr, |
984 | sizeof(addr), NULL, 0, NI_NUMERICHOST); | |
985 | imap_info("Connecting to [%s]:%s... ", addr, portstr); | |
986 | ||
987 | if (connect(s, ai->ai_addr, ai->ai_addrlen) < 0) { | |
988 | close(s); | |
989 | s = -1; | |
990 | perror("connect"); | |
991 | continue; | |
992 | } | |
993 | ||
994 | break; | |
995 | } | |
996 | freeaddrinfo(ai0); | |
997 | #else /* NO_IPV6 */ | |
998 | struct hostent *he; | |
999 | struct sockaddr_in addr; | |
1000 | ||
95c53908 RS |
1001 | memset(&addr, 0, sizeof(addr)); |
1002 | addr.sin_port = htons(srvc->port); | |
f2561fda MM |
1003 | addr.sin_family = AF_INET; |
1004 | ||
95c53908 RS |
1005 | imap_info("Resolving %s... ", srvc->host); |
1006 | he = gethostbyname(srvc->host); | |
f2561fda | 1007 | if (!he) { |
95c53908 | 1008 | perror("gethostbyname"); |
f2561fda MM |
1009 | goto bail; |
1010 | } | |
95c53908 | 1011 | imap_info("ok\n"); |
f2561fda MM |
1012 | |
1013 | addr.sin_addr.s_addr = *((int *) he->h_addr_list[0]); | |
1014 | ||
95c53908 | 1015 | s = socket(PF_INET, SOCK_STREAM, 0); |
f2561fda | 1016 | |
95c53908 RS |
1017 | imap_info("Connecting to %s:%hu... ", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port)); |
1018 | if (connect(s, (struct sockaddr *)&addr, sizeof(addr))) { | |
1019 | close(s); | |
94ad2437 | 1020 | s = -1; |
95c53908 | 1021 | perror("connect"); |
94ad2437 BK |
1022 | } |
1023 | #endif | |
1024 | if (s < 0) { | |
1025 | fputs("Error: unable to connect to server.\n", stderr); | |
f2561fda MM |
1026 | goto bail; |
1027 | } | |
f2561fda | 1028 | |
7a7796e9 EFL |
1029 | imap->buf.sock.fd[0] = s; |
1030 | imap->buf.sock.fd[1] = dup(s); | |
f2561fda | 1031 | |
684ec6c6 RS |
1032 | if (srvc->use_ssl && |
1033 | ssl_socket_connect(&imap->buf.sock, 0, srvc->ssl_verify)) { | |
1034 | close(s); | |
1035 | goto bail; | |
1036 | } | |
95c53908 | 1037 | imap_info("ok\n"); |
f2561fda MM |
1038 | } |
1039 | ||
1040 | /* read the greeting string */ | |
95c53908 RS |
1041 | if (buffer_gets(&imap->buf, &rsp)) { |
1042 | fprintf(stderr, "IMAP error: no greeting response\n"); | |
f2561fda MM |
1043 | goto bail; |
1044 | } | |
95c53908 RS |
1045 | arg = next_arg(&rsp); |
1046 | if (!arg || *arg != '*' || (arg = next_arg(&rsp)) == NULL) { | |
1047 | fprintf(stderr, "IMAP error: invalid greeting response\n"); | |
f2561fda MM |
1048 | goto bail; |
1049 | } | |
1050 | preauth = 0; | |
95c53908 | 1051 | if (!strcmp("PREAUTH", arg)) |
f2561fda | 1052 | preauth = 1; |
95c53908 RS |
1053 | else if (strcmp("OK", arg) != 0) { |
1054 | fprintf(stderr, "IMAP error: unknown greeting response\n"); | |
f2561fda MM |
1055 | goto bail; |
1056 | } | |
95c53908 RS |
1057 | parse_response_code(ctx, NULL, rsp); |
1058 | if (!imap->caps && imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK) | |
f2561fda MM |
1059 | goto bail; |
1060 | ||
1061 | if (!preauth) { | |
684ec6c6 RS |
1062 | #ifndef NO_OPENSSL |
1063 | if (!srvc->use_ssl && CAP(STARTTLS)) { | |
d27da38a | 1064 | if (imap_exec(ctx, NULL, "STARTTLS") != RESP_OK) |
684ec6c6 RS |
1065 | goto bail; |
1066 | if (ssl_socket_connect(&imap->buf.sock, 1, | |
1067 | srvc->ssl_verify)) | |
1068 | goto bail; | |
1069 | /* capabilities may have changed, so get the new capabilities */ | |
d27da38a | 1070 | if (imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK) |
684ec6c6 RS |
1071 | goto bail; |
1072 | } | |
1073 | #endif | |
95c53908 | 1074 | imap_info("Logging in...\n"); |
791643a8 DA |
1075 | if (!srvc->user || !srvc->pass) { |
1076 | cred.protocol = xstrdup(srvc->use_ssl ? "imaps" : "imap"); | |
1077 | cred.host = xstrdup(srvc->host); | |
1078 | ||
1079 | if (srvc->user) | |
1080 | cred.username = xstrdup(srvc->user); | |
1081 | if (srvc->pass) | |
1082 | cred.password = xstrdup(srvc->pass); | |
1083 | ||
1084 | credential_fill(&cred); | |
1085 | ||
1086 | if (!srvc->user) | |
1087 | srvc->user = xstrdup(cred.username); | |
1088 | if (!srvc->pass) | |
1089 | srvc->pass = xstrdup(cred.password); | |
f2561fda | 1090 | } |
791643a8 | 1091 | |
f2561fda | 1092 | if (CAP(NOLOGIN)) { |
95c53908 | 1093 | fprintf(stderr, "Skipping account %s@%s, server forbids LOGIN\n", srvc->user, srvc->host); |
f2561fda MM |
1094 | goto bail; |
1095 | } | |
ae9c606e HM |
1096 | |
1097 | if (srvc->auth_method) { | |
1098 | struct imap_cmd_cb cb; | |
1099 | ||
1100 | if (!strcmp(srvc->auth_method, "CRAM-MD5")) { | |
1101 | if (!CAP(AUTH_CRAM_MD5)) { | |
1102 | fprintf(stderr, "You specified" | |
1103 | "CRAM-MD5 as authentication method, " | |
1104 | "but %s doesn't support it.\n", srvc->host); | |
1105 | goto bail; | |
1106 | } | |
1107 | /* CRAM-MD5 */ | |
1108 | ||
1109 | memset(&cb, 0, sizeof(cb)); | |
1110 | cb.cont = auth_cram_md5; | |
1111 | if (imap_exec(ctx, &cb, "AUTHENTICATE CRAM-MD5") != RESP_OK) { | |
1112 | fprintf(stderr, "IMAP error: AUTHENTICATE CRAM-MD5 failed\n"); | |
1113 | goto bail; | |
1114 | } | |
1115 | } else { | |
1116 | fprintf(stderr, "Unknown authentication method:%s\n", srvc->host); | |
1117 | goto bail; | |
1118 | } | |
1119 | } else { | |
10439d89 CW |
1120 | if (!imap->buf.sock.ssl) |
1121 | imap_warn("*** IMAP Warning *** Password is being " | |
1122 | "sent in the clear\n"); | |
ae9c606e HM |
1123 | if (imap_exec(ctx, NULL, "LOGIN \"%s\" \"%s\"", srvc->user, srvc->pass) != RESP_OK) { |
1124 | fprintf(stderr, "IMAP error: LOGIN failed\n"); | |
1125 | goto bail; | |
1126 | } | |
f2561fda MM |
1127 | } |
1128 | } /* !preauth */ | |
1129 | ||
791643a8 DA |
1130 | if (cred.username) |
1131 | credential_approve(&cred); | |
1132 | credential_clear(&cred); | |
1133 | ||
e0d8e308 TF |
1134 | /* check the target mailbox exists */ |
1135 | ctx->name = folder; | |
1136 | switch (imap_exec(ctx, NULL, "EXAMINE \"%s\"", ctx->name)) { | |
1137 | case RESP_OK: | |
1138 | /* ok */ | |
1139 | break; | |
1140 | case RESP_BAD: | |
1141 | fprintf(stderr, "IMAP error: could not check mailbox\n"); | |
1142 | goto out; | |
1143 | case RESP_NO: | |
1144 | if (imap_exec(ctx, NULL, "CREATE \"%s\"", ctx->name) == RESP_OK) { | |
1145 | imap_info("Created missing mailbox\n"); | |
1146 | } else { | |
1147 | fprintf(stderr, "IMAP error: could not create missing mailbox\n"); | |
1148 | goto out; | |
1149 | } | |
1150 | break; | |
1151 | } | |
1152 | ||
f2561fda | 1153 | ctx->prefix = ""; |
fe47e1df | 1154 | return ctx; |
f2561fda | 1155 | |
9f1ad541 | 1156 | bail: |
791643a8 DA |
1157 | if (cred.username) |
1158 | credential_reject(&cred); | |
1159 | credential_clear(&cred); | |
1160 | ||
e0d8e308 | 1161 | out: |
fe47e1df | 1162 | imap_close_store(ctx); |
5142db69 | 1163 | return NULL; |
f2561fda MM |
1164 | } |
1165 | ||
3691031c MH |
1166 | /* |
1167 | * Insert CR characters as necessary in *msg to ensure that every LF | |
1168 | * character in *msg is preceded by a CR. | |
1169 | */ | |
f035ab62 | 1170 | static void lf_to_crlf(struct strbuf *msg) |
f2561fda | 1171 | { |
67d17630 | 1172 | char *new; |
3691031c MH |
1173 | size_t i, j; |
1174 | char lastc; | |
1175 | ||
1176 | /* First pass: tally, in j, the size of the new string: */ | |
1177 | for (i = j = 0, lastc = '\0'; i < msg->len; i++) { | |
1178 | if (msg->buf[i] == '\n' && lastc != '\r') | |
1179 | j++; /* a CR will need to be added here */ | |
1180 | lastc = msg->buf[i]; | |
1181 | j++; | |
f2561fda | 1182 | } |
67d17630 | 1183 | |
3691031c MH |
1184 | new = xmalloc(j + 1); |
1185 | ||
1186 | /* | |
1187 | * Second pass: write the new string. Note that this loop is | |
1188 | * otherwise identical to the first pass. | |
1189 | */ | |
1190 | for (i = j = 0, lastc = '\0'; i < msg->len; i++) { | |
1191 | if (msg->buf[i] == '\n' && lastc != '\r') | |
67d17630 | 1192 | new[j++] = '\r'; |
3691031c | 1193 | lastc = new[j++] = msg->buf[i]; |
f2561fda | 1194 | } |
3691031c | 1195 | strbuf_attach(msg, new, j, j + 1); |
67d17630 | 1196 | } |
f2561fda | 1197 | |
f035ab62 MH |
1198 | /* |
1199 | * Store msg to IMAP. Also detach and free the data from msg->data, | |
1200 | * leaving msg->data empty. | |
1201 | */ | |
fe47e1df | 1202 | static int imap_store_msg(struct imap_store *ctx, struct strbuf *msg) |
f2561fda | 1203 | { |
9f1ad541 | 1204 | struct imap *imap = ctx->imap; |
f2561fda | 1205 | struct imap_cmd_cb cb; |
f2561fda | 1206 | const char *prefix, *box; |
719125c5 | 1207 | int ret; |
f2561fda | 1208 | |
cbc60761 | 1209 | lf_to_crlf(msg); |
95c53908 | 1210 | memset(&cb, 0, sizeof(cb)); |
f2561fda | 1211 | |
cbc60761 MH |
1212 | cb.dlen = msg->len; |
1213 | cb.data = strbuf_detach(msg, NULL); | |
f2561fda | 1214 | |
636fd66b | 1215 | box = ctx->name; |
3a7cba95 | 1216 | prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix; |
719125c5 | 1217 | ret = imap_exec_m(ctx, &cb, "APPEND \"%s%s\" ", prefix, box); |
f2561fda MM |
1218 | imap->caps = imap->rcaps; |
1219 | if (ret != DRV_OK) | |
1220 | return ret; | |
f2561fda MM |
1221 | |
1222 | return DRV_OK; | |
1223 | } | |
1224 | ||
f035ab62 | 1225 | static void wrap_in_html(struct strbuf *msg) |
c64d84f1 JW |
1226 | { |
1227 | struct strbuf buf = STRBUF_INIT; | |
c64d84f1 JW |
1228 | static char *content_type = "Content-Type: text/html;\n"; |
1229 | static char *pre_open = "<pre>\n"; | |
1230 | static char *pre_close = "</pre>\n"; | |
118a68f9 MH |
1231 | const char *body = strstr(msg->buf, "\n\n"); |
1232 | ||
1233 | if (!body) | |
1234 | return; /* Headers but no body; no wrapping needed */ | |
1235 | ||
1236 | body += 2; | |
1237 | ||
1238 | strbuf_add(&buf, msg->buf, body - msg->buf - 1); | |
1239 | strbuf_addstr(&buf, content_type); | |
1240 | strbuf_addch(&buf, '\n'); | |
1241 | strbuf_addstr(&buf, pre_open); | |
1242 | strbuf_addstr_xml_quoted(&buf, body); | |
c64d84f1 | 1243 | strbuf_addstr(&buf, pre_close); |
118a68f9 | 1244 | |
f035ab62 MH |
1245 | strbuf_release(msg); |
1246 | *msg = buf; | |
c64d84f1 JW |
1247 | } |
1248 | ||
f2561fda MM |
1249 | #define CHUNKSIZE 0x1000 |
1250 | ||
3a34e626 | 1251 | static int read_message(FILE *f, struct strbuf *all_msgs) |
f2561fda | 1252 | { |
635d043f | 1253 | do { |
3a34e626 | 1254 | if (strbuf_fread(all_msgs, CHUNKSIZE, f) <= 0) |
f2561fda | 1255 | break; |
635d043f PH |
1256 | } while (!feof(f)); |
1257 | ||
6360bee4 | 1258 | return ferror(f) ? -1 : 0; |
f2561fda MM |
1259 | } |
1260 | ||
3a34e626 | 1261 | static int count_messages(struct strbuf *all_msgs) |
f2561fda MM |
1262 | { |
1263 | int count = 0; | |
3a34e626 | 1264 | char *p = all_msgs->buf; |
f2561fda MM |
1265 | |
1266 | while (1) { | |
59556548 | 1267 | if (starts_with(p, "From ")) { |
4916c8f9 RR |
1268 | p = strstr(p+5, "\nFrom: "); |
1269 | if (!p) break; | |
1270 | p = strstr(p+7, "\nDate: "); | |
1271 | if (!p) break; | |
1272 | p = strstr(p+7, "\nSubject: "); | |
1273 | if (!p) break; | |
1274 | p += 10; | |
f2561fda | 1275 | count++; |
f2561fda | 1276 | } |
95c53908 | 1277 | p = strstr(p+5, "\nFrom "); |
f2561fda MM |
1278 | if (!p) |
1279 | break; | |
1280 | p++; | |
1281 | } | |
1282 | return count; | |
1283 | } | |
1284 | ||
f035ab62 MH |
1285 | /* |
1286 | * Copy the next message from all_msgs, starting at offset *ofs, to | |
1287 | * msg. Update *ofs to the start of the following message. Return | |
1288 | * true iff a message was successfully copied. | |
1289 | */ | |
1290 | static int split_msg(struct strbuf *all_msgs, struct strbuf *msg, int *ofs) | |
f2561fda MM |
1291 | { |
1292 | char *p, *data; | |
f035ab62 | 1293 | size_t len; |
f2561fda | 1294 | |
f2561fda MM |
1295 | if (*ofs >= all_msgs->len) |
1296 | return 0; | |
1297 | ||
3a34e626 | 1298 | data = &all_msgs->buf[*ofs]; |
f035ab62 | 1299 | len = all_msgs->len - *ofs; |
f2561fda | 1300 | |
59556548 | 1301 | if (len < 5 || !starts_with(data, "From ")) |
f2561fda MM |
1302 | return 0; |
1303 | ||
95c53908 | 1304 | p = strchr(data, '\n'); |
e0b08307 | 1305 | if (p) { |
f035ab62 MH |
1306 | p++; |
1307 | len -= p - data; | |
1308 | *ofs += p - data; | |
e0b08307 MA |
1309 | data = p; |
1310 | } | |
1311 | ||
95c53908 | 1312 | p = strstr(data, "\nFrom "); |
f2561fda | 1313 | if (p) |
f035ab62 | 1314 | len = &p[1] - data; |
f2561fda | 1315 | |
f035ab62 MH |
1316 | strbuf_add(msg, data, len); |
1317 | *ofs += len; | |
a6080a0a | 1318 | return 1; |
f2561fda MM |
1319 | } |
1320 | ||
ef7e1d0c | 1321 | static void git_imap_config(void) |
f2561fda | 1322 | { |
ef7e1d0c TA |
1323 | const char *val = NULL; |
1324 | ||
1325 | git_config_get_bool("imap.sslverify", &server.ssl_verify); | |
1326 | git_config_get_bool("imap.preformattedhtml", &server.use_html); | |
5dcdc780 | 1327 | git_config_get_string("imap.folder", &server.folder); |
3c17c34a | 1328 | |
ef7e1d0c TA |
1329 | if (!git_config_get_value("imap.host", &val)) { |
1330 | if (!val) { | |
1331 | git_die_config("imap.host", "Missing value for 'imap.host'"); | |
1332 | } else { | |
1333 | if (starts_with(val, "imap:")) | |
1334 | val += 5; | |
1335 | else if (starts_with(val, "imaps:")) { | |
1336 | val += 6; | |
1337 | server.use_ssl = 1; | |
1338 | } | |
1339 | if (starts_with(val, "//")) | |
1340 | val += 2; | |
1341 | server.host = xstrdup(val); | |
f2561fda | 1342 | } |
ef7e1d0c | 1343 | } |
ae9c606e | 1344 | |
ef7e1d0c TA |
1345 | git_config_get_string("imap.user", &server.user); |
1346 | git_config_get_string("imap.pass", &server.pass); | |
1347 | git_config_get_int("imap.port", &server.port); | |
1348 | git_config_get_string("imap.tunnel", &server.tunnel); | |
1349 | git_config_get_string("imap.authmethod", &server.auth_method); | |
f2561fda MM |
1350 | } |
1351 | ||
1e16b255 BR |
1352 | static int append_msgs_to_imap(struct imap_server_conf *server, |
1353 | struct strbuf* all_msgs, int total) | |
f2561fda | 1354 | { |
cbc60761 | 1355 | struct strbuf msg = STRBUF_INIT; |
fe47e1df | 1356 | struct imap_store *ctx = NULL; |
f2561fda MM |
1357 | int ofs = 0; |
1358 | int r; | |
1e16b255 BR |
1359 | int n = 0; |
1360 | ||
1361 | ctx = imap_open_store(server, server->folder); | |
1362 | if (!ctx) { | |
1363 | fprintf(stderr, "failed to open store\n"); | |
1364 | return 1; | |
1365 | } | |
1366 | ctx->name = server->folder; | |
1367 | ||
1368 | fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : ""); | |
1369 | while (1) { | |
1370 | unsigned percent = n * 100 / total; | |
1371 | ||
1372 | fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total); | |
1373 | ||
1374 | if (!split_msg(all_msgs, &msg, &ofs)) | |
1375 | break; | |
1376 | if (server->use_html) | |
1377 | wrap_in_html(&msg); | |
1378 | r = imap_store_msg(ctx, &msg); | |
1379 | if (r != DRV_OK) | |
1380 | break; | |
1381 | n++; | |
1382 | } | |
1383 | fprintf(stderr, "\n"); | |
1384 | ||
1385 | imap_close_store(ctx); | |
1386 | ||
1387 | return 0; | |
1388 | } | |
1389 | ||
1390 | #ifdef USE_CURL_FOR_IMAP_SEND | |
1391 | static CURL *setup_curl(struct imap_server_conf *srvc) | |
1392 | { | |
1393 | CURL *curl; | |
1394 | struct strbuf path = STRBUF_INIT; | |
1395 | ||
1396 | if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) | |
1397 | die("curl_global_init failed"); | |
1398 | ||
1399 | curl = curl_easy_init(); | |
1400 | ||
1401 | if (!curl) | |
1402 | die("curl_easy_init failed"); | |
1403 | ||
1404 | curl_easy_setopt(curl, CURLOPT_USERNAME, server.user); | |
1405 | curl_easy_setopt(curl, CURLOPT_PASSWORD, server.pass); | |
1406 | ||
1407 | strbuf_addstr(&path, server.host); | |
1408 | if (!path.len || path.buf[path.len - 1] != '/') | |
1409 | strbuf_addch(&path, '/'); | |
1410 | strbuf_addstr(&path, server.folder); | |
1411 | ||
1412 | curl_easy_setopt(curl, CURLOPT_URL, path.buf); | |
1413 | strbuf_release(&path); | |
1414 | curl_easy_setopt(curl, CURLOPT_PORT, server.port); | |
1415 | ||
1416 | if (server.auth_method) { | |
1417 | struct strbuf auth = STRBUF_INIT; | |
1418 | strbuf_addstr(&auth, "AUTH="); | |
1419 | strbuf_addstr(&auth, server.auth_method); | |
1420 | curl_easy_setopt(curl, CURLOPT_LOGIN_OPTIONS, auth.buf); | |
1421 | strbuf_release(&auth); | |
1422 | } | |
1423 | ||
230c09c0 KM |
1424 | if (!server.use_ssl) |
1425 | curl_easy_setopt(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_TRY); | |
1e16b255 BR |
1426 | |
1427 | curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, server.ssl_verify); | |
1428 | curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, server.ssl_verify); | |
1429 | ||
1430 | curl_easy_setopt(curl, CURLOPT_READFUNCTION, fread_buffer); | |
1431 | ||
1432 | curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L); | |
1433 | ||
d47e55da | 1434 | if (0 < verbosity || getenv("GIT_CURL_VERBOSE")) |
1e16b255 BR |
1435 | curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L); |
1436 | ||
1437 | return curl; | |
1438 | } | |
1439 | ||
1440 | static int curl_append_msgs_to_imap(struct imap_server_conf *server, | |
1441 | struct strbuf* all_msgs, int total) { | |
1442 | int ofs = 0; | |
1443 | int n = 0; | |
1444 | struct buffer msgbuf = { STRBUF_INIT, 0 }; | |
1445 | CURL *curl; | |
1446 | CURLcode res = CURLE_OK; | |
1447 | ||
1448 | curl = setup_curl(server); | |
1449 | curl_easy_setopt(curl, CURLOPT_READDATA, &msgbuf); | |
1450 | ||
1451 | fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : ""); | |
1452 | while (1) { | |
1453 | unsigned percent = n * 100 / total; | |
1454 | int prev_len; | |
1455 | ||
1456 | fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total); | |
1457 | ||
1458 | prev_len = msgbuf.buf.len; | |
1459 | if (!split_msg(all_msgs, &msgbuf.buf, &ofs)) | |
1460 | break; | |
1461 | if (server->use_html) | |
1462 | wrap_in_html(&msgbuf.buf); | |
1463 | lf_to_crlf(&msgbuf.buf); | |
1464 | ||
1465 | curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, | |
1466 | (curl_off_t)(msgbuf.buf.len-prev_len)); | |
1467 | ||
1468 | res = curl_easy_perform(curl); | |
1469 | ||
1470 | if(res != CURLE_OK) { | |
1471 | fprintf(stderr, "curl_easy_perform() failed: %s\n", | |
1472 | curl_easy_strerror(res)); | |
1473 | break; | |
1474 | } | |
1475 | ||
1476 | n++; | |
1477 | } | |
1478 | fprintf(stderr, "\n"); | |
1479 | ||
1480 | curl_easy_cleanup(curl); | |
1481 | curl_global_cleanup(); | |
1482 | ||
1483 | return 0; | |
1484 | } | |
1485 | #endif | |
1486 | ||
1487 | int main(int argc, char **argv) | |
1488 | { | |
1489 | struct strbuf all_msgs = STRBUF_INIT; | |
1490 | int total; | |
a0406b94 | 1491 | int nongit_ok; |
f2561fda | 1492 | |
2fb3f6db | 1493 | git_extract_argv0_path(argv[0]); |
f2561fda | 1494 | |
5e9637c6 ÆAB |
1495 | git_setup_gettext(); |
1496 | ||
a0406b94 | 1497 | setup_git_directory_gently(&nongit_ok); |
ef7e1d0c | 1498 | git_imap_config(); |
f2561fda | 1499 | |
f1a35295 BR |
1500 | argc = parse_options(argc, (const char **)argv, "", imap_send_options, imap_send_usage, 0); |
1501 | ||
1502 | if (argc) | |
1503 | usage_with_options(imap_send_usage, imap_send_options); | |
1504 | ||
1e16b255 BR |
1505 | #ifndef USE_CURL_FOR_IMAP_SEND |
1506 | if (use_curl) { | |
1507 | warning("--use-curl not supported in this build"); | |
1508 | use_curl = 0; | |
1509 | } | |
1510 | #endif | |
1511 | ||
684ec6c6 RS |
1512 | if (!server.port) |
1513 | server.port = server.use_ssl ? 993 : 143; | |
f2561fda | 1514 | |
39180571 | 1515 | if (!server.folder) { |
95c53908 | 1516 | fprintf(stderr, "no imap store specified\n"); |
f2561fda MM |
1517 | return 1; |
1518 | } | |
5b67b8e2 | 1519 | if (!server.host) { |
34b5cd1f | 1520 | if (!server.tunnel) { |
95c53908 | 1521 | fprintf(stderr, "no imap host specified\n"); |
34b5cd1f JK |
1522 | return 1; |
1523 | } | |
1524 | server.host = "tunnel"; | |
5b67b8e2 | 1525 | } |
f2561fda MM |
1526 | |
1527 | /* read the messages */ | |
6360bee4 MH |
1528 | if (read_message(stdin, &all_msgs)) { |
1529 | fprintf(stderr, "error reading input\n"); | |
1530 | return 1; | |
1531 | } | |
1532 | ||
1533 | if (all_msgs.len == 0) { | |
9f1ad541 | 1534 | fprintf(stderr, "nothing to send\n"); |
f2561fda MM |
1535 | return 1; |
1536 | } | |
1537 | ||
95c53908 | 1538 | total = count_messages(&all_msgs); |
1cd88cc9 | 1539 | if (!total) { |
9f1ad541 | 1540 | fprintf(stderr, "no messages to send\n"); |
f2561fda MM |
1541 | return 1; |
1542 | } | |
1543 | ||
1544 | /* write it to the imap server */ | |
f035ab62 | 1545 | |
1e16b255 BR |
1546 | if (server.tunnel) |
1547 | return append_msgs_to_imap(&server, &all_msgs, total); | |
f2561fda | 1548 | |
1e16b255 BR |
1549 | #ifdef USE_CURL_FOR_IMAP_SEND |
1550 | if (use_curl) | |
1551 | return curl_append_msgs_to_imap(&server, &all_msgs, total); | |
1552 | #endif | |
f2561fda | 1553 | |
1e16b255 | 1554 | return append_msgs_to_imap(&server, &all_msgs, total); |
f2561fda | 1555 | } |