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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 | |
48425792 | 21 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
f2561fda MM |
22 | */ |
23 | ||
24 | #include "cache.h" | |
b2141fc1 | 25 | #include "config.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 | |
dbba42bb NMC |
37 | #if defined(USE_CURL_FOR_IMAP_SEND) |
38 | /* Always default to curl if it's available. */ | |
dcd01ea1 KM |
39 | #define USE_CURL_DEFAULT 1 |
40 | #else | |
dbba42bb | 41 | /* We don't have curl, so continue to use the historical implementation */ |
dcd01ea1 KM |
42 | #define USE_CURL_DEFAULT 0 |
43 | #endif | |
44 | ||
f1a35295 | 45 | static int verbosity; |
dcd01ea1 | 46 | static int use_curl = USE_CURL_DEFAULT; |
f1a35295 | 47 | |
1e16b255 | 48 | static const char * const imap_send_usage[] = { "git imap-send [-v] [-q] [--[no-]curl] < <mbox>", NULL }; |
f1a35295 BR |
49 | |
50 | static struct option imap_send_options[] = { | |
51 | OPT__VERBOSITY(&verbosity), | |
1e16b255 | 52 | OPT_BOOL(0, "curl", &use_curl, "use libcurl to communicate with the IMAP server"), |
f1a35295 BR |
53 | OPT_END() |
54 | }; | |
f2561fda | 55 | |
d23b1ecf | 56 | #undef DRV_OK |
f2561fda MM |
57 | #define DRV_OK 0 |
58 | #define DRV_MSG_BAD -1 | |
59 | #define DRV_BOX_BAD -2 | |
60 | #define DRV_STORE_BAD -3 | |
61 | ||
28bea9e5 | 62 | __attribute__((format (printf, 1, 2))) |
95c53908 | 63 | static void imap_info(const char *, ...); |
28bea9e5 | 64 | __attribute__((format (printf, 1, 2))) |
95c53908 | 65 | static void imap_warn(const char *, ...); |
f2561fda | 66 | |
95c53908 | 67 | static char *next_arg(char **); |
f2561fda | 68 | |
28bea9e5 | 69 | __attribute__((format (printf, 3, 4))) |
95c53908 | 70 | static int nfsnprintf(char *buf, int blen, const char *fmt, ...); |
f2561fda | 71 | |
19247e55 PH |
72 | static int nfvasprintf(char **strp, const char *fmt, va_list ap) |
73 | { | |
74 | int len; | |
75 | char tmp[8192]; | |
76 | ||
77 | len = vsnprintf(tmp, sizeof(tmp), fmt, ap); | |
78 | if (len < 0) | |
d7530708 | 79 | die("Fatal: Out of memory"); |
19247e55 | 80 | if (len >= sizeof(tmp)) |
d7530708 | 81 | die("imap command overflow!"); |
19247e55 PH |
82 | *strp = xmemdupz(tmp, len); |
83 | return len; | |
84 | } | |
f2561fda | 85 | |
9f1ad541 | 86 | struct imap_server_conf { |
f2561fda MM |
87 | char *name; |
88 | char *tunnel; | |
89 | char *host; | |
90 | int port; | |
39180571 | 91 | char *folder; |
f2561fda MM |
92 | char *user; |
93 | char *pass; | |
684ec6c6 RS |
94 | int use_ssl; |
95 | int ssl_verify; | |
c64d84f1 | 96 | int use_html; |
ae9c606e HM |
97 | char *auth_method; |
98 | }; | |
99 | ||
100 | static struct imap_server_conf server = { | |
101 | NULL, /* name */ | |
102 | NULL, /* tunnel */ | |
103 | NULL, /* host */ | |
104 | 0, /* port */ | |
39180571 | 105 | NULL, /* folder */ |
ae9c606e HM |
106 | NULL, /* user */ |
107 | NULL, /* pass */ | |
108 | 0, /* use_ssl */ | |
109 | 1, /* ssl_verify */ | |
110 | 0, /* use_html */ | |
111 | NULL, /* auth_method */ | |
9f1ad541 | 112 | }; |
f2561fda | 113 | |
9f1ad541 | 114 | struct imap_socket { |
7a7796e9 | 115 | int fd[2]; |
684ec6c6 | 116 | SSL *ssl; |
9f1ad541 | 117 | }; |
f2561fda | 118 | |
9f1ad541 JH |
119 | struct imap_buffer { |
120 | struct imap_socket sock; | |
f2561fda MM |
121 | int bytes; |
122 | int offset; | |
123 | char buf[1024]; | |
9f1ad541 | 124 | }; |
f2561fda MM |
125 | |
126 | struct imap_cmd; | |
127 | ||
9f1ad541 | 128 | struct imap { |
f2561fda | 129 | int uidnext; /* from SELECT responses */ |
f2561fda MM |
130 | unsigned caps, rcaps; /* CAPABILITY results */ |
131 | /* command queue */ | |
132 | int nexttag, num_in_progress, literal_pending; | |
133 | struct imap_cmd *in_progress, **in_progress_append; | |
9f1ad541 JH |
134 | struct imap_buffer buf; /* this is BIG, so put it last */ |
135 | }; | |
f2561fda | 136 | |
9f1ad541 | 137 | struct imap_store { |
636fd66b MH |
138 | /* currently open mailbox */ |
139 | const char *name; /* foreign! maybe preset? */ | |
140 | int uidvalidity; | |
9f1ad541 | 141 | struct imap *imap; |
f2561fda | 142 | const char *prefix; |
9f1ad541 | 143 | }; |
f2561fda MM |
144 | |
145 | struct imap_cmd_cb { | |
9f1ad541 JH |
146 | int (*cont)(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt); |
147 | void (*done)(struct imap_store *ctx, struct imap_cmd *cmd, int response); | |
f2561fda MM |
148 | void *ctx; |
149 | char *data; | |
150 | int dlen; | |
151 | int uid; | |
f2561fda MM |
152 | }; |
153 | ||
154 | struct imap_cmd { | |
155 | struct imap_cmd *next; | |
156 | struct imap_cmd_cb cb; | |
157 | char *cmd; | |
158 | int tag; | |
159 | }; | |
160 | ||
161 | #define CAP(cap) (imap->caps & (1 << (cap))) | |
162 | ||
163 | enum CAPABILITY { | |
164 | NOLOGIN = 0, | |
165 | UIDPLUS, | |
166 | LITERALPLUS, | |
167 | NAMESPACE, | |
684ec6c6 | 168 | STARTTLS, |
4b05548f | 169 | AUTH_CRAM_MD5 |
f2561fda MM |
170 | }; |
171 | ||
172 | static const char *cap_list[] = { | |
173 | "LOGINDISABLED", | |
174 | "UIDPLUS", | |
175 | "LITERAL+", | |
176 | "NAMESPACE", | |
684ec6c6 | 177 | "STARTTLS", |
ae9c606e | 178 | "AUTH=CRAM-MD5", |
f2561fda MM |
179 | }; |
180 | ||
181 | #define RESP_OK 0 | |
182 | #define RESP_NO 1 | |
183 | #define RESP_BAD 2 | |
184 | ||
9f1ad541 | 185 | static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd); |
f2561fda MM |
186 | |
187 | ||
684ec6c6 RS |
188 | #ifndef NO_OPENSSL |
189 | static void ssl_socket_perror(const char *func) | |
190 | { | |
2af202be | 191 | fprintf(stderr, "%s: %s\n", func, ERR_error_string(ERR_get_error(), NULL)); |
684ec6c6 RS |
192 | } |
193 | #endif | |
194 | ||
9f1ad541 | 195 | static void socket_perror(const char *func, struct imap_socket *sock, int ret) |
f2561fda | 196 | { |
684ec6c6 RS |
197 | #ifndef NO_OPENSSL |
198 | if (sock->ssl) { | |
199 | int sslerr = SSL_get_error(sock->ssl, ret); | |
200 | switch (sslerr) { | |
201 | case SSL_ERROR_NONE: | |
202 | break; | |
203 | case SSL_ERROR_SYSCALL: | |
204 | perror("SSL_connect"); | |
205 | break; | |
206 | default: | |
207 | ssl_socket_perror("SSL_connect"); | |
208 | break; | |
209 | } | |
210 | } else | |
211 | #endif | |
212 | { | |
213 | if (ret < 0) | |
214 | perror(func); | |
215 | else | |
216 | fprintf(stderr, "%s: unexpected EOF\n", func); | |
217 | } | |
218 | } | |
219 | ||
1e1fe529 | 220 | #ifdef NO_OPENSSL |
9f1ad541 | 221 | static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int verify) |
684ec6c6 | 222 | { |
684ec6c6 RS |
223 | fprintf(stderr, "SSL requested but SSL support not compiled in\n"); |
224 | return -1; | |
1e1fe529 JH |
225 | } |
226 | ||
1e380ddc | 227 | #else |
1e1fe529 | 228 | |
b62fb077 OB |
229 | static int host_matches(const char *host, const char *pattern) |
230 | { | |
231 | if (pattern[0] == '*' && pattern[1] == '.') { | |
232 | pattern += 2; | |
233 | if (!(host = strchr(host, '.'))) | |
234 | return 0; | |
235 | host++; | |
236 | } | |
237 | ||
238 | return *host && *pattern && !strcasecmp(host, pattern); | |
239 | } | |
240 | ||
241 | static int verify_hostname(X509 *cert, const char *hostname) | |
242 | { | |
243 | int len; | |
244 | X509_NAME *subj; | |
245 | char cname[1000]; | |
e174744a OB |
246 | int i, found; |
247 | STACK_OF(GENERAL_NAME) *subj_alt_names; | |
248 | ||
249 | /* try the DNS subjectAltNames */ | |
250 | found = 0; | |
251 | if ((subj_alt_names = X509_get_ext_d2i(cert, NID_subject_alt_name, NULL, NULL))) { | |
252 | int num_subj_alt_names = sk_GENERAL_NAME_num(subj_alt_names); | |
253 | for (i = 0; !found && i < num_subj_alt_names; i++) { | |
254 | GENERAL_NAME *subj_alt_name = sk_GENERAL_NAME_value(subj_alt_names, i); | |
255 | if (subj_alt_name->type == GEN_DNS && | |
256 | strlen((const char *)subj_alt_name->d.ia5->data) == (size_t)subj_alt_name->d.ia5->length && | |
257 | host_matches(hostname, (const char *)(subj_alt_name->d.ia5->data))) | |
258 | found = 1; | |
259 | } | |
260 | sk_GENERAL_NAME_pop_free(subj_alt_names, GENERAL_NAME_free); | |
261 | } | |
262 | if (found) | |
263 | return 0; | |
b62fb077 OB |
264 | |
265 | /* try the common name */ | |
266 | if (!(subj = X509_get_subject_name(cert))) | |
267 | return error("cannot get certificate subject"); | |
268 | if ((len = X509_NAME_get_text_by_NID(subj, NID_commonName, cname, sizeof(cname))) < 0) | |
269 | return error("cannot get certificate common name"); | |
270 | if (strlen(cname) == (size_t)len && host_matches(hostname, cname)) | |
271 | return 0; | |
272 | return error("certificate owner '%s' does not match hostname '%s'", | |
273 | cname, hostname); | |
274 | } | |
275 | ||
1e1fe529 JH |
276 | static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int verify) |
277 | { | |
1e380ddc VL |
278 | #if (OPENSSL_VERSION_NUMBER >= 0x10000000L) |
279 | const SSL_METHOD *meth; | |
684ec6c6 RS |
280 | #else |
281 | SSL_METHOD *meth; | |
1e380ddc | 282 | #endif |
684ec6c6 RS |
283 | SSL_CTX *ctx; |
284 | int ret; | |
b62fb077 | 285 | X509 *cert; |
684ec6c6 RS |
286 | |
287 | SSL_library_init(); | |
288 | SSL_load_error_strings(); | |
289 | ||
b51c0d4b | 290 | meth = SSLv23_method(); |
684ec6c6 RS |
291 | if (!meth) { |
292 | ssl_socket_perror("SSLv23_method"); | |
293 | return -1; | |
294 | } | |
295 | ||
296 | ctx = SSL_CTX_new(meth); | |
6738a33b KY |
297 | if (!ctx) { |
298 | ssl_socket_perror("SSL_CTX_new"); | |
299 | return -1; | |
300 | } | |
684ec6c6 | 301 | |
b51c0d4b KY |
302 | if (use_tls_only) |
303 | SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3); | |
684ec6c6 RS |
304 | |
305 | if (verify) | |
306 | SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL); | |
307 | ||
308 | if (!SSL_CTX_set_default_verify_paths(ctx)) { | |
309 | ssl_socket_perror("SSL_CTX_set_default_verify_paths"); | |
310 | return -1; | |
311 | } | |
312 | sock->ssl = SSL_new(ctx); | |
313 | if (!sock->ssl) { | |
314 | ssl_socket_perror("SSL_new"); | |
315 | return -1; | |
316 | } | |
7a7796e9 EFL |
317 | if (!SSL_set_rfd(sock->ssl, sock->fd[0])) { |
318 | ssl_socket_perror("SSL_set_rfd"); | |
319 | return -1; | |
320 | } | |
321 | if (!SSL_set_wfd(sock->ssl, sock->fd[1])) { | |
322 | ssl_socket_perror("SSL_set_wfd"); | |
684ec6c6 RS |
323 | return -1; |
324 | } | |
325 | ||
698a1ec4 JH |
326 | #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME |
327 | /* | |
328 | * SNI (RFC4366) | |
329 | * OpenSSL does not document this function, but the implementation | |
330 | * returns 1 on success, 0 on failure after calling SSLerr(). | |
331 | */ | |
332 | ret = SSL_set_tlsext_host_name(sock->ssl, server.host); | |
333 | if (ret != 1) | |
334 | warning("SSL_set_tlsext_host_name(%s) failed.", server.host); | |
335 | #endif | |
336 | ||
684ec6c6 RS |
337 | ret = SSL_connect(sock->ssl); |
338 | if (ret <= 0) { | |
339 | socket_perror("SSL_connect", sock, ret); | |
340 | return -1; | |
341 | } | |
342 | ||
b62fb077 OB |
343 | if (verify) { |
344 | /* make sure the hostname matches that of the certificate */ | |
345 | cert = SSL_get_peer_certificate(sock->ssl); | |
346 | if (!cert) | |
347 | return error("unable to get peer certificate."); | |
348 | if (verify_hostname(cert, server.host) < 0) | |
349 | return -1; | |
350 | } | |
351 | ||
684ec6c6 | 352 | return 0; |
f2561fda | 353 | } |
1e1fe529 | 354 | #endif |
f2561fda | 355 | |
9f1ad541 | 356 | static int socket_read(struct imap_socket *sock, char *buf, int len) |
f2561fda | 357 | { |
684ec6c6 RS |
358 | ssize_t n; |
359 | #ifndef NO_OPENSSL | |
360 | if (sock->ssl) | |
361 | n = SSL_read(sock->ssl, buf, len); | |
362 | else | |
363 | #endif | |
7a7796e9 | 364 | n = xread(sock->fd[0], buf, len); |
f2561fda | 365 | if (n <= 0) { |
95c53908 | 366 | socket_perror("read", sock, n); |
7a7796e9 EFL |
367 | close(sock->fd[0]); |
368 | close(sock->fd[1]); | |
369 | sock->fd[0] = sock->fd[1] = -1; | |
f2561fda MM |
370 | } |
371 | return n; | |
372 | } | |
373 | ||
9f1ad541 | 374 | static int socket_write(struct imap_socket *sock, const char *buf, int len) |
f2561fda | 375 | { |
684ec6c6 RS |
376 | int n; |
377 | #ifndef NO_OPENSSL | |
378 | if (sock->ssl) | |
379 | n = SSL_write(sock->ssl, buf, len); | |
380 | else | |
381 | #endif | |
7a7796e9 | 382 | n = write_in_full(sock->fd[1], buf, len); |
f2561fda | 383 | if (n != len) { |
95c53908 | 384 | socket_perror("write", sock, n); |
7a7796e9 EFL |
385 | close(sock->fd[0]); |
386 | close(sock->fd[1]); | |
387 | sock->fd[0] = sock->fd[1] = -1; | |
f2561fda MM |
388 | } |
389 | return n; | |
390 | } | |
391 | ||
9f1ad541 | 392 | static void socket_shutdown(struct imap_socket *sock) |
684ec6c6 RS |
393 | { |
394 | #ifndef NO_OPENSSL | |
395 | if (sock->ssl) { | |
396 | SSL_shutdown(sock->ssl); | |
397 | SSL_free(sock->ssl); | |
398 | } | |
399 | #endif | |
7a7796e9 EFL |
400 | close(sock->fd[0]); |
401 | close(sock->fd[1]); | |
684ec6c6 RS |
402 | } |
403 | ||
f2561fda | 404 | /* simple line buffering */ |
9f1ad541 | 405 | static int buffer_gets(struct imap_buffer *b, char **s) |
f2561fda MM |
406 | { |
407 | int n; | |
408 | int start = b->offset; | |
409 | ||
410 | *s = b->buf + start; | |
411 | ||
412 | for (;;) { | |
413 | /* make sure we have enough data to read the \r\n sequence */ | |
414 | if (b->offset + 1 >= b->bytes) { | |
415 | if (start) { | |
416 | /* shift down used bytes */ | |
417 | *s = b->buf; | |
418 | ||
95c53908 | 419 | assert(start <= b->bytes); |
f2561fda MM |
420 | n = b->bytes - start; |
421 | ||
422 | if (n) | |
173a9cbe | 423 | memmove(b->buf, b->buf + start, n); |
f2561fda MM |
424 | b->offset -= start; |
425 | b->bytes = n; | |
426 | start = 0; | |
427 | } | |
428 | ||
95c53908 RS |
429 | n = socket_read(&b->sock, b->buf + b->bytes, |
430 | sizeof(b->buf) - b->bytes); | |
f2561fda MM |
431 | |
432 | if (n <= 0) | |
433 | return -1; | |
434 | ||
435 | b->bytes += n; | |
436 | } | |
437 | ||
438 | if (b->buf[b->offset] == '\r') { | |
95c53908 | 439 | assert(b->offset + 1 < b->bytes); |
f2561fda MM |
440 | if (b->buf[b->offset + 1] == '\n') { |
441 | b->buf[b->offset] = 0; /* terminate the string */ | |
442 | b->offset += 2; /* next line */ | |
f1a35295 | 443 | if (0 < verbosity) |
95c53908 | 444 | puts(*s); |
f2561fda MM |
445 | return 0; |
446 | } | |
447 | } | |
448 | ||
449 | b->offset++; | |
450 | } | |
451 | /* not reached */ | |
452 | } | |
453 | ||
95c53908 | 454 | static void imap_info(const char *msg, ...) |
f2561fda MM |
455 | { |
456 | va_list va; | |
457 | ||
f1a35295 | 458 | if (0 <= verbosity) { |
95c53908 RS |
459 | va_start(va, msg); |
460 | vprintf(msg, va); | |
461 | va_end(va); | |
462 | fflush(stdout); | |
f2561fda MM |
463 | } |
464 | } | |
465 | ||
95c53908 | 466 | static void imap_warn(const char *msg, ...) |
f2561fda MM |
467 | { |
468 | va_list va; | |
469 | ||
f1a35295 | 470 | if (-2 < verbosity) { |
95c53908 RS |
471 | va_start(va, msg); |
472 | vfprintf(stderr, msg, va); | |
473 | va_end(va); | |
f2561fda MM |
474 | } |
475 | } | |
476 | ||
95c53908 | 477 | static char *next_arg(char **s) |
f2561fda MM |
478 | { |
479 | char *ret; | |
480 | ||
481 | if (!s || !*s) | |
5142db69 | 482 | return NULL; |
95c53908 | 483 | while (isspace((unsigned char) **s)) |
f2561fda MM |
484 | (*s)++; |
485 | if (!**s) { | |
5142db69 RS |
486 | *s = NULL; |
487 | return NULL; | |
f2561fda MM |
488 | } |
489 | if (**s == '"') { | |
490 | ++*s; | |
491 | ret = *s; | |
95c53908 | 492 | *s = strchr(*s, '"'); |
f2561fda MM |
493 | } else { |
494 | ret = *s; | |
95c53908 | 495 | while (**s && !isspace((unsigned char) **s)) |
f2561fda MM |
496 | (*s)++; |
497 | } | |
498 | if (*s) { | |
499 | if (**s) | |
500 | *(*s)++ = 0; | |
501 | if (!**s) | |
5142db69 | 502 | *s = NULL; |
f2561fda MM |
503 | } |
504 | return ret; | |
505 | } | |
506 | ||
95c53908 | 507 | static int nfsnprintf(char *buf, int blen, const char *fmt, ...) |
f2561fda MM |
508 | { |
509 | int ret; | |
510 | va_list va; | |
511 | ||
95c53908 RS |
512 | va_start(va, fmt); |
513 | if (blen <= 0 || (unsigned)(ret = vsnprintf(buf, blen, fmt, va)) >= (unsigned)blen) | |
ef1177d1 | 514 | die("BUG: buffer too small. Please report a bug."); |
95c53908 | 515 | va_end(va); |
f2561fda MM |
516 | return ret; |
517 | } | |
518 | ||
e0d8e308 TF |
519 | static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx, |
520 | struct imap_cmd_cb *cb, | |
521 | const char *fmt, va_list ap) | |
f2561fda | 522 | { |
9f1ad541 | 523 | struct imap *imap = ctx->imap; |
f2561fda MM |
524 | struct imap_cmd *cmd; |
525 | int n, bufl; | |
526 | char buf[1024]; | |
527 | ||
95c53908 RS |
528 | cmd = xmalloc(sizeof(struct imap_cmd)); |
529 | nfvasprintf(&cmd->cmd, fmt, ap); | |
f2561fda MM |
530 | cmd->tag = ++imap->nexttag; |
531 | ||
532 | if (cb) | |
533 | cmd->cb = *cb; | |
534 | else | |
95c53908 | 535 | memset(&cmd->cb, 0, sizeof(cmd->cb)); |
f2561fda MM |
536 | |
537 | while (imap->literal_pending) | |
95c53908 | 538 | get_cmd_result(ctx, NULL); |
f2561fda | 539 | |
1702b138 ÆAB |
540 | if (!cmd->cb.data) |
541 | bufl = nfsnprintf(buf, sizeof(buf), "%d %s\r\n", cmd->tag, cmd->cmd); | |
542 | else | |
543 | bufl = nfsnprintf(buf, sizeof(buf), "%d %s{%d%s}\r\n", | |
544 | cmd->tag, cmd->cmd, cmd->cb.dlen, | |
545 | CAP(LITERALPLUS) ? "+" : ""); | |
f2561fda | 546 | |
f1a35295 | 547 | if (0 < verbosity) { |
f2561fda | 548 | if (imap->num_in_progress) |
95c53908 | 549 | printf("(%d in progress) ", imap->num_in_progress); |
ba9b9e12 | 550 | if (!starts_with(cmd->cmd, "LOGIN")) |
95c53908 | 551 | printf(">>> %s", buf); |
f2561fda | 552 | else |
95c53908 | 553 | printf(">>> %d LOGIN <user> <pass>\n", cmd->tag); |
f2561fda | 554 | } |
95c53908 RS |
555 | if (socket_write(&imap->buf.sock, buf, bufl) != bufl) { |
556 | free(cmd->cmd); | |
557 | free(cmd); | |
8e0f7003 | 558 | if (cb) |
95c53908 | 559 | free(cb->data); |
f2561fda MM |
560 | return NULL; |
561 | } | |
562 | if (cmd->cb.data) { | |
563 | if (CAP(LITERALPLUS)) { | |
95c53908 RS |
564 | n = socket_write(&imap->buf.sock, cmd->cb.data, cmd->cb.dlen); |
565 | free(cmd->cb.data); | |
f2561fda | 566 | if (n != cmd->cb.dlen || |
8e76bf3f | 567 | socket_write(&imap->buf.sock, "\r\n", 2) != 2) { |
95c53908 RS |
568 | free(cmd->cmd); |
569 | free(cmd); | |
f2561fda MM |
570 | return NULL; |
571 | } | |
5142db69 | 572 | cmd->cb.data = NULL; |
f2561fda MM |
573 | } else |
574 | imap->literal_pending = 1; | |
575 | } else if (cmd->cb.cont) | |
576 | imap->literal_pending = 1; | |
5142db69 | 577 | cmd->next = NULL; |
f2561fda MM |
578 | *imap->in_progress_append = cmd; |
579 | imap->in_progress_append = &cmd->next; | |
580 | imap->num_in_progress++; | |
581 | return cmd; | |
582 | } | |
583 | ||
28bea9e5 | 584 | __attribute__((format (printf, 3, 4))) |
9f1ad541 | 585 | static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb, |
95c53908 | 586 | const char *fmt, ...) |
f2561fda MM |
587 | { |
588 | va_list ap; | |
589 | struct imap_cmd *cmdp; | |
590 | ||
95c53908 | 591 | va_start(ap, fmt); |
e0d8e308 | 592 | cmdp = issue_imap_cmd(ctx, cb, fmt, ap); |
95c53908 | 593 | va_end(ap); |
f2561fda MM |
594 | if (!cmdp) |
595 | return RESP_BAD; | |
596 | ||
95c53908 | 597 | return get_cmd_result(ctx, cmdp); |
f2561fda MM |
598 | } |
599 | ||
28bea9e5 | 600 | __attribute__((format (printf, 3, 4))) |
9f1ad541 | 601 | static int imap_exec_m(struct imap_store *ctx, struct imap_cmd_cb *cb, |
95c53908 | 602 | const char *fmt, ...) |
f2561fda MM |
603 | { |
604 | va_list ap; | |
605 | struct imap_cmd *cmdp; | |
606 | ||
95c53908 | 607 | va_start(ap, fmt); |
e0d8e308 | 608 | cmdp = issue_imap_cmd(ctx, cb, fmt, ap); |
95c53908 | 609 | va_end(ap); |
f2561fda MM |
610 | if (!cmdp) |
611 | return DRV_STORE_BAD; | |
612 | ||
95c53908 | 613 | switch (get_cmd_result(ctx, cmdp)) { |
f2561fda MM |
614 | case RESP_BAD: return DRV_STORE_BAD; |
615 | case RESP_NO: return DRV_MSG_BAD; | |
616 | default: return DRV_OK; | |
617 | } | |
618 | } | |
619 | ||
3648b4d9 | 620 | static int skip_imap_list_l(char **sp, int level) |
f2561fda | 621 | { |
3648b4d9 | 622 | char *s = *sp; |
f2561fda MM |
623 | |
624 | for (;;) { | |
95c53908 | 625 | while (isspace((unsigned char)*s)) |
f2561fda MM |
626 | s++; |
627 | if (level && *s == ')') { | |
628 | s++; | |
629 | break; | |
630 | } | |
f2561fda MM |
631 | if (*s == '(') { |
632 | /* sublist */ | |
633 | s++; | |
3648b4d9 | 634 | if (skip_imap_list_l(&s, level + 1)) |
f2561fda MM |
635 | goto bail; |
636 | } else if (*s == '"') { | |
637 | /* quoted string */ | |
638 | s++; | |
f2561fda MM |
639 | for (; *s != '"'; s++) |
640 | if (!*s) | |
641 | goto bail; | |
f2561fda | 642 | s++; |
f2561fda MM |
643 | } else { |
644 | /* atom */ | |
95c53908 | 645 | for (; *s && !isspace((unsigned char)*s); s++) |
f2561fda MM |
646 | if (level && *s == ')') |
647 | break; | |
f2561fda MM |
648 | } |
649 | ||
650 | if (!level) | |
651 | break; | |
652 | if (!*s) | |
653 | goto bail; | |
654 | } | |
655 | *sp = s; | |
f2561fda MM |
656 | return 0; |
657 | ||
9f1ad541 | 658 | bail: |
f2561fda MM |
659 | return -1; |
660 | } | |
661 | ||
3648b4d9 | 662 | static void skip_list(char **sp) |
f2561fda | 663 | { |
3648b4d9 | 664 | skip_imap_list_l(sp, 0); |
f2561fda MM |
665 | } |
666 | ||
9f1ad541 | 667 | static void parse_capability(struct imap *imap, char *cmd) |
f2561fda MM |
668 | { |
669 | char *arg; | |
670 | unsigned i; | |
671 | ||
672 | imap->caps = 0x80000000; | |
95c53908 | 673 | while ((arg = next_arg(&cmd))) |
f2561fda | 674 | for (i = 0; i < ARRAY_SIZE(cap_list); i++) |
95c53908 | 675 | if (!strcmp(cap_list[i], arg)) |
f2561fda MM |
676 | imap->caps |= 1 << i; |
677 | imap->rcaps = imap->caps; | |
678 | } | |
679 | ||
9f1ad541 | 680 | static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb, |
95c53908 | 681 | char *s) |
f2561fda | 682 | { |
9f1ad541 | 683 | struct imap *imap = ctx->imap; |
f2561fda MM |
684 | char *arg, *p; |
685 | ||
618ec81a | 686 | if (!s || *s != '[') |
f2561fda MM |
687 | return RESP_OK; /* no response code */ |
688 | s++; | |
95c53908 RS |
689 | if (!(p = strchr(s, ']'))) { |
690 | fprintf(stderr, "IMAP error: malformed response code\n"); | |
f2561fda MM |
691 | return RESP_BAD; |
692 | } | |
693 | *p++ = 0; | |
95c53908 | 694 | arg = next_arg(&s); |
f54c5bd4 RS |
695 | if (!arg) { |
696 | fprintf(stderr, "IMAP error: empty response code\n"); | |
697 | return RESP_BAD; | |
698 | } | |
95c53908 | 699 | if (!strcmp("UIDVALIDITY", arg)) { |
636fd66b | 700 | if (!(arg = next_arg(&s)) || !(ctx->uidvalidity = atoi(arg))) { |
95c53908 | 701 | fprintf(stderr, "IMAP error: malformed UIDVALIDITY status\n"); |
f2561fda MM |
702 | return RESP_BAD; |
703 | } | |
95c53908 RS |
704 | } else if (!strcmp("UIDNEXT", arg)) { |
705 | if (!(arg = next_arg(&s)) || !(imap->uidnext = atoi(arg))) { | |
706 | fprintf(stderr, "IMAP error: malformed NEXTUID status\n"); | |
f2561fda MM |
707 | return RESP_BAD; |
708 | } | |
95c53908 RS |
709 | } else if (!strcmp("CAPABILITY", arg)) { |
710 | parse_capability(imap, s); | |
711 | } else if (!strcmp("ALERT", arg)) { | |
f2561fda MM |
712 | /* RFC2060 says that these messages MUST be displayed |
713 | * to the user | |
714 | */ | |
95c53908 RS |
715 | for (; isspace((unsigned char)*p); p++); |
716 | fprintf(stderr, "*** IMAP ALERT *** %s\n", p); | |
717 | } else if (cb && cb->ctx && !strcmp("APPENDUID", arg)) { | |
636fd66b | 718 | if (!(arg = next_arg(&s)) || !(ctx->uidvalidity = atoi(arg)) || |
9f1ad541 | 719 | !(arg = next_arg(&s)) || !(*(int *)cb->ctx = atoi(arg))) { |
95c53908 | 720 | fprintf(stderr, "IMAP error: malformed APPENDUID status\n"); |
f2561fda MM |
721 | return RESP_BAD; |
722 | } | |
723 | } | |
724 | return RESP_OK; | |
725 | } | |
726 | ||
9f1ad541 | 727 | static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd) |
f2561fda | 728 | { |
9f1ad541 | 729 | struct imap *imap = ctx->imap; |
e0d8e308 | 730 | struct imap_cmd *cmdp, **pcmdp; |
f54c5bd4 RS |
731 | char *cmd; |
732 | const char *arg, *arg1; | |
f2561fda MM |
733 | int n, resp, resp2, tag; |
734 | ||
735 | for (;;) { | |
95c53908 | 736 | if (buffer_gets(&imap->buf, &cmd)) |
f2561fda MM |
737 | return RESP_BAD; |
738 | ||
95c53908 | 739 | arg = next_arg(&cmd); |
f54c5bd4 RS |
740 | if (!arg) { |
741 | fprintf(stderr, "IMAP error: empty response\n"); | |
742 | return RESP_BAD; | |
743 | } | |
f2561fda | 744 | if (*arg == '*') { |
95c53908 | 745 | arg = next_arg(&cmd); |
f2561fda | 746 | if (!arg) { |
95c53908 | 747 | fprintf(stderr, "IMAP error: unable to parse untagged response\n"); |
f2561fda MM |
748 | return RESP_BAD; |
749 | } | |
750 | ||
95c53908 | 751 | if (!strcmp("NAMESPACE", arg)) { |
3648b4d9 MH |
752 | /* rfc2342 NAMESPACE response. */ |
753 | skip_list(&cmd); /* Personal mailboxes */ | |
754 | skip_list(&cmd); /* Others' mailboxes */ | |
755 | skip_list(&cmd); /* Shared mailboxes */ | |
95c53908 RS |
756 | } else if (!strcmp("OK", arg) || !strcmp("BAD", arg) || |
757 | !strcmp("NO", arg) || !strcmp("BYE", arg)) { | |
758 | if ((resp = parse_response_code(ctx, NULL, cmd)) != RESP_OK) | |
f2561fda | 759 | return resp; |
1efee7ff | 760 | } else if (!strcmp("CAPABILITY", arg)) { |
95c53908 | 761 | parse_capability(imap, cmd); |
1efee7ff MH |
762 | } else if ((arg1 = next_arg(&cmd))) { |
763 | ; /* | |
764 | * Unhandled response-data with at least two words. | |
765 | * Ignore it. | |
766 | * | |
767 | * NEEDSWORK: Previously this case handled '<num> EXISTS' | |
768 | * and '<num> RECENT' but as a probably-unintended side | |
769 | * effect it ignores other unrecognized two-word | |
770 | * responses. imap-send doesn't ever try to read | |
771 | * messages or mailboxes these days, so consider | |
772 | * eliminating this case. | |
773 | */ | |
f2561fda | 774 | } else { |
95c53908 | 775 | fprintf(stderr, "IMAP error: unable to parse untagged response\n"); |
f2561fda MM |
776 | return RESP_BAD; |
777 | } | |
778 | } else if (!imap->in_progress) { | |
95c53908 | 779 | fprintf(stderr, "IMAP error: unexpected reply: %s %s\n", arg, cmd ? cmd : ""); |
f2561fda MM |
780 | return RESP_BAD; |
781 | } else if (*arg == '+') { | |
782 | /* This can happen only with the last command underway, as | |
783 | it enforces a round-trip. */ | |
784 | cmdp = (struct imap_cmd *)((char *)imap->in_progress_append - | |
785 | offsetof(struct imap_cmd, next)); | |
786 | if (cmdp->cb.data) { | |
95c53908 | 787 | n = socket_write(&imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen); |
6a83d902 | 788 | FREE_AND_NULL(cmdp->cb.data); |
f2561fda MM |
789 | if (n != (int)cmdp->cb.dlen) |
790 | return RESP_BAD; | |
791 | } else if (cmdp->cb.cont) { | |
95c53908 | 792 | if (cmdp->cb.cont(ctx, cmdp, cmd)) |
f2561fda MM |
793 | return RESP_BAD; |
794 | } else { | |
95c53908 | 795 | fprintf(stderr, "IMAP error: unexpected command continuation request\n"); |
f2561fda MM |
796 | return RESP_BAD; |
797 | } | |
95c53908 | 798 | if (socket_write(&imap->buf.sock, "\r\n", 2) != 2) |
f2561fda MM |
799 | return RESP_BAD; |
800 | if (!cmdp->cb.cont) | |
801 | imap->literal_pending = 0; | |
802 | if (!tcmd) | |
803 | return DRV_OK; | |
804 | } else { | |
95c53908 | 805 | tag = atoi(arg); |
f2561fda MM |
806 | for (pcmdp = &imap->in_progress; (cmdp = *pcmdp); pcmdp = &cmdp->next) |
807 | if (cmdp->tag == tag) | |
808 | goto gottag; | |
95c53908 | 809 | fprintf(stderr, "IMAP error: unexpected tag %s\n", arg); |
f2561fda | 810 | return RESP_BAD; |
9f1ad541 | 811 | gottag: |
f2561fda MM |
812 | if (!(*pcmdp = cmdp->next)) |
813 | imap->in_progress_append = pcmdp; | |
814 | imap->num_in_progress--; | |
815 | if (cmdp->cb.cont || cmdp->cb.data) | |
816 | imap->literal_pending = 0; | |
95c53908 | 817 | arg = next_arg(&cmd); |
f54c5bd4 RS |
818 | if (!arg) |
819 | arg = ""; | |
95c53908 | 820 | if (!strcmp("OK", arg)) |
f2561fda MM |
821 | resp = DRV_OK; |
822 | else { | |
e0d8e308 | 823 | if (!strcmp("NO", arg)) |
f2561fda | 824 | resp = RESP_NO; |
e0d8e308 | 825 | else /*if (!strcmp("BAD", arg))*/ |
f2561fda | 826 | resp = RESP_BAD; |
95c53908 | 827 | fprintf(stderr, "IMAP command '%s' returned response (%s) - %s\n", |
ba9b9e12 | 828 | !starts_with(cmdp->cmd, "LOGIN") ? |
f2561fda MM |
829 | cmdp->cmd : "LOGIN <user> <pass>", |
830 | arg, cmd ? cmd : ""); | |
831 | } | |
95c53908 | 832 | if ((resp2 = parse_response_code(ctx, &cmdp->cb, cmd)) > resp) |
f2561fda | 833 | resp = resp2; |
f2561fda | 834 | if (cmdp->cb.done) |
95c53908 RS |
835 | cmdp->cb.done(ctx, cmdp, resp); |
836 | free(cmdp->cb.data); | |
837 | free(cmdp->cmd); | |
838 | free(cmdp); | |
f2561fda MM |
839 | if (!tcmd || tcmd == cmdp) |
840 | return resp; | |
841 | } | |
842 | } | |
843 | /* not reached */ | |
844 | } | |
845 | ||
9f1ad541 | 846 | static void imap_close_server(struct imap_store *ictx) |
f2561fda | 847 | { |
9f1ad541 | 848 | struct imap *imap = ictx->imap; |
f2561fda | 849 | |
7a7796e9 | 850 | if (imap->buf.sock.fd[0] != -1) { |
95c53908 RS |
851 | imap_exec(ictx, NULL, "LOGOUT"); |
852 | socket_shutdown(&imap->buf.sock); | |
f2561fda | 853 | } |
95c53908 | 854 | free(imap); |
f2561fda MM |
855 | } |
856 | ||
fe47e1df | 857 | static void imap_close_store(struct imap_store *ctx) |
f2561fda | 858 | { |
fe47e1df | 859 | imap_close_server(ctx); |
95c53908 | 860 | free(ctx); |
f2561fda MM |
861 | } |
862 | ||
ae9c606e HM |
863 | #ifndef NO_OPENSSL |
864 | ||
865 | /* | |
866 | * hexchar() and cram() functions are based on the code from the isync | |
867 | * project (http://isync.sf.net/). | |
868 | */ | |
869 | static char hexchar(unsigned int b) | |
f2561fda | 870 | { |
ae9c606e | 871 | return b < 10 ? '0' + b : 'a' + (b - 10); |
f2561fda MM |
872 | } |
873 | ||
42c78a21 | 874 | #define ENCODED_SIZE(n) (4 * DIV_ROUND_UP((n), 3)) |
ae9c606e | 875 | static char *cram(const char *challenge_64, const char *user, const char *pass) |
f2561fda | 876 | { |
ae9c606e | 877 | int i, resp_len, encoded_len, decoded_len; |
ae9c606e HM |
878 | unsigned char hash[16]; |
879 | char hex[33]; | |
880 | char *response, *response_64, *challenge; | |
881 | ||
882 | /* | |
883 | * length of challenge_64 (i.e. base-64 encoded string) is a good | |
884 | * enough upper bound for challenge (decoded result). | |
885 | */ | |
886 | encoded_len = strlen(challenge_64); | |
887 | challenge = xmalloc(encoded_len); | |
888 | decoded_len = EVP_DecodeBlock((unsigned char *)challenge, | |
889 | (unsigned char *)challenge_64, encoded_len); | |
890 | if (decoded_len < 0) | |
891 | die("invalid challenge %s", challenge_64); | |
1ed2c7b1 KY |
892 | if (!HMAC(EVP_md5(), pass, strlen(pass), (unsigned char *)challenge, decoded_len, hash, NULL)) |
893 | die("HMAC error"); | |
ae9c606e HM |
894 | |
895 | hex[32] = 0; | |
896 | for (i = 0; i < 16; i++) { | |
897 | hex[2 * i] = hexchar((hash[i] >> 4) & 0xf); | |
898 | hex[2 * i + 1] = hexchar(hash[i] & 0xf); | |
899 | } | |
900 | ||
901 | /* response: "<user> <digest in hex>" */ | |
75faa45a | 902 | response = xstrfmt("%s %s", user, hex); |
eb94ee7f | 903 | resp_len = strlen(response); |
ae9c606e | 904 | |
3733e694 | 905 | response_64 = xmallocz(ENCODED_SIZE(resp_len)); |
ae9c606e HM |
906 | encoded_len = EVP_EncodeBlock((unsigned char *)response_64, |
907 | (unsigned char *)response, resp_len); | |
908 | if (encoded_len < 0) | |
909 | die("EVP_EncodeBlock error"); | |
ae9c606e HM |
910 | return (char *)response_64; |
911 | } | |
912 | ||
913 | #else | |
914 | ||
915 | static char *cram(const char *challenge_64, const char *user, const char *pass) | |
916 | { | |
917 | die("If you want to use CRAM-MD5 authenticate method, " | |
918 | "you have to build git-imap-send with OpenSSL library."); | |
919 | } | |
920 | ||
921 | #endif | |
922 | ||
923 | static int auth_cram_md5(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt) | |
924 | { | |
925 | int ret; | |
926 | char *response; | |
927 | ||
928 | response = cram(prompt, server.user, server.pass); | |
929 | ||
930 | ret = socket_write(&ctx->imap->buf.sock, response, strlen(response)); | |
931 | if (ret != strlen(response)) | |
82247e9b | 932 | return error("IMAP error: sending response failed"); |
ae9c606e HM |
933 | |
934 | free(response); | |
935 | ||
936 | return 0; | |
937 | } | |
938 | ||
690307f3 NMC |
939 | static void server_fill_credential(struct imap_server_conf *srvc, struct credential *cred) |
940 | { | |
941 | if (srvc->user && srvc->pass) | |
942 | return; | |
943 | ||
944 | cred->protocol = xstrdup(srvc->use_ssl ? "imaps" : "imap"); | |
945 | cred->host = xstrdup(srvc->host); | |
946 | ||
947 | cred->username = xstrdup_or_null(srvc->user); | |
948 | cred->password = xstrdup_or_null(srvc->pass); | |
949 | ||
950 | credential_fill(cred); | |
951 | ||
952 | if (!srvc->user) | |
953 | srvc->user = xstrdup(cred->username); | |
954 | if (!srvc->pass) | |
955 | srvc->pass = xstrdup(cred->password); | |
956 | } | |
957 | ||
e0d8e308 | 958 | static struct imap_store *imap_open_store(struct imap_server_conf *srvc, char *folder) |
f2561fda | 959 | { |
791643a8 | 960 | struct credential cred = CREDENTIAL_INIT; |
9f1ad541 JH |
961 | struct imap_store *ctx; |
962 | struct imap *imap; | |
f2561fda | 963 | char *arg, *rsp; |
c94d2dd0 | 964 | int s = -1, preauth; |
f2561fda | 965 | |
3345c0f5 | 966 | ctx = xcalloc(1, sizeof(*ctx)); |
f2561fda | 967 | |
693eb02a | 968 | ctx->imap = imap = xcalloc(1, sizeof(*imap)); |
7a7796e9 | 969 | imap->buf.sock.fd[0] = imap->buf.sock.fd[1] = -1; |
f2561fda MM |
970 | imap->in_progress_append = &imap->in_progress; |
971 | ||
972 | /* open connection to IMAP server */ | |
973 | ||
974 | if (srvc->tunnel) { | |
d3180279 | 975 | struct child_process tunnel = CHILD_PROCESS_INIT; |
f2561fda | 976 | |
c94d2dd0 | 977 | imap_info("Starting tunnel '%s'... ", srvc->tunnel); |
f2561fda | 978 | |
f9dc5d65 | 979 | argv_array_push(&tunnel.args, srvc->tunnel); |
ac0ba18d | 980 | tunnel.use_shell = 1; |
c94d2dd0 EFL |
981 | tunnel.in = -1; |
982 | tunnel.out = -1; | |
983 | if (start_command(&tunnel)) | |
f9dc5d65 | 984 | die("cannot start proxy %s", srvc->tunnel); |
f2561fda | 985 | |
c94d2dd0 EFL |
986 | imap->buf.sock.fd[0] = tunnel.out; |
987 | imap->buf.sock.fd[1] = tunnel.in; | |
f2561fda | 988 | |
95c53908 | 989 | imap_info("ok\n"); |
f2561fda | 990 | } else { |
94ad2437 BK |
991 | #ifndef NO_IPV6 |
992 | struct addrinfo hints, *ai0, *ai; | |
993 | int gai; | |
994 | char portstr[6]; | |
995 | ||
1a168e5c | 996 | xsnprintf(portstr, sizeof(portstr), "%d", srvc->port); |
94ad2437 BK |
997 | |
998 | memset(&hints, 0, sizeof(hints)); | |
999 | hints.ai_socktype = SOCK_STREAM; | |
1000 | hints.ai_protocol = IPPROTO_TCP; | |
f2561fda | 1001 | |
94ad2437 BK |
1002 | imap_info("Resolving %s... ", srvc->host); |
1003 | gai = getaddrinfo(srvc->host, portstr, &hints, &ai); | |
1004 | if (gai) { | |
1005 | fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(gai)); | |
1006 | goto bail; | |
f2561fda | 1007 | } |
94ad2437 | 1008 | imap_info("ok\n"); |
f2561fda | 1009 | |
94ad2437 BK |
1010 | for (ai0 = ai; ai; ai = ai->ai_next) { |
1011 | char addr[NI_MAXHOST]; | |
f2561fda | 1012 | |
94ad2437 BK |
1013 | s = socket(ai->ai_family, ai->ai_socktype, |
1014 | ai->ai_protocol); | |
1015 | if (s < 0) | |
1016 | continue; | |
f2561fda | 1017 | |
94ad2437 BK |
1018 | getnameinfo(ai->ai_addr, ai->ai_addrlen, addr, |
1019 | sizeof(addr), NULL, 0, NI_NUMERICHOST); | |
1020 | imap_info("Connecting to [%s]:%s... ", addr, portstr); | |
1021 | ||
1022 | if (connect(s, ai->ai_addr, ai->ai_addrlen) < 0) { | |
1023 | close(s); | |
1024 | s = -1; | |
1025 | perror("connect"); | |
1026 | continue; | |
1027 | } | |
1028 | ||
1029 | break; | |
1030 | } | |
1031 | freeaddrinfo(ai0); | |
1032 | #else /* NO_IPV6 */ | |
1033 | struct hostent *he; | |
1034 | struct sockaddr_in addr; | |
1035 | ||
95c53908 RS |
1036 | memset(&addr, 0, sizeof(addr)); |
1037 | addr.sin_port = htons(srvc->port); | |
f2561fda MM |
1038 | addr.sin_family = AF_INET; |
1039 | ||
95c53908 RS |
1040 | imap_info("Resolving %s... ", srvc->host); |
1041 | he = gethostbyname(srvc->host); | |
f2561fda | 1042 | if (!he) { |
95c53908 | 1043 | perror("gethostbyname"); |
f2561fda MM |
1044 | goto bail; |
1045 | } | |
95c53908 | 1046 | imap_info("ok\n"); |
f2561fda MM |
1047 | |
1048 | addr.sin_addr.s_addr = *((int *) he->h_addr_list[0]); | |
1049 | ||
95c53908 | 1050 | s = socket(PF_INET, SOCK_STREAM, 0); |
f2561fda | 1051 | |
95c53908 RS |
1052 | imap_info("Connecting to %s:%hu... ", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port)); |
1053 | if (connect(s, (struct sockaddr *)&addr, sizeof(addr))) { | |
1054 | close(s); | |
94ad2437 | 1055 | s = -1; |
95c53908 | 1056 | perror("connect"); |
94ad2437 BK |
1057 | } |
1058 | #endif | |
1059 | if (s < 0) { | |
1060 | fputs("Error: unable to connect to server.\n", stderr); | |
f2561fda MM |
1061 | goto bail; |
1062 | } | |
f2561fda | 1063 | |
7a7796e9 EFL |
1064 | imap->buf.sock.fd[0] = s; |
1065 | imap->buf.sock.fd[1] = dup(s); | |
f2561fda | 1066 | |
684ec6c6 RS |
1067 | if (srvc->use_ssl && |
1068 | ssl_socket_connect(&imap->buf.sock, 0, srvc->ssl_verify)) { | |
1069 | close(s); | |
1070 | goto bail; | |
1071 | } | |
95c53908 | 1072 | imap_info("ok\n"); |
f2561fda MM |
1073 | } |
1074 | ||
1075 | /* read the greeting string */ | |
95c53908 RS |
1076 | if (buffer_gets(&imap->buf, &rsp)) { |
1077 | fprintf(stderr, "IMAP error: no greeting response\n"); | |
f2561fda MM |
1078 | goto bail; |
1079 | } | |
95c53908 RS |
1080 | arg = next_arg(&rsp); |
1081 | if (!arg || *arg != '*' || (arg = next_arg(&rsp)) == NULL) { | |
1082 | fprintf(stderr, "IMAP error: invalid greeting response\n"); | |
f2561fda MM |
1083 | goto bail; |
1084 | } | |
1085 | preauth = 0; | |
95c53908 | 1086 | if (!strcmp("PREAUTH", arg)) |
f2561fda | 1087 | preauth = 1; |
95c53908 RS |
1088 | else if (strcmp("OK", arg) != 0) { |
1089 | fprintf(stderr, "IMAP error: unknown greeting response\n"); | |
f2561fda MM |
1090 | goto bail; |
1091 | } | |
95c53908 RS |
1092 | parse_response_code(ctx, NULL, rsp); |
1093 | if (!imap->caps && imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK) | |
f2561fda MM |
1094 | goto bail; |
1095 | ||
1096 | if (!preauth) { | |
684ec6c6 RS |
1097 | #ifndef NO_OPENSSL |
1098 | if (!srvc->use_ssl && CAP(STARTTLS)) { | |
d27da38a | 1099 | if (imap_exec(ctx, NULL, "STARTTLS") != RESP_OK) |
684ec6c6 RS |
1100 | goto bail; |
1101 | if (ssl_socket_connect(&imap->buf.sock, 1, | |
1102 | srvc->ssl_verify)) | |
1103 | goto bail; | |
1104 | /* capabilities may have changed, so get the new capabilities */ | |
d27da38a | 1105 | if (imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK) |
684ec6c6 RS |
1106 | goto bail; |
1107 | } | |
1108 | #endif | |
95c53908 | 1109 | imap_info("Logging in...\n"); |
690307f3 | 1110 | server_fill_credential(srvc, &cred); |
791643a8 | 1111 | |
ae9c606e HM |
1112 | if (srvc->auth_method) { |
1113 | struct imap_cmd_cb cb; | |
1114 | ||
1115 | if (!strcmp(srvc->auth_method, "CRAM-MD5")) { | |
1116 | if (!CAP(AUTH_CRAM_MD5)) { | |
1117 | fprintf(stderr, "You specified" | |
1118 | "CRAM-MD5 as authentication method, " | |
1119 | "but %s doesn't support it.\n", srvc->host); | |
1120 | goto bail; | |
1121 | } | |
1122 | /* CRAM-MD5 */ | |
1123 | ||
1124 | memset(&cb, 0, sizeof(cb)); | |
1125 | cb.cont = auth_cram_md5; | |
1126 | if (imap_exec(ctx, &cb, "AUTHENTICATE CRAM-MD5") != RESP_OK) { | |
1127 | fprintf(stderr, "IMAP error: AUTHENTICATE CRAM-MD5 failed\n"); | |
1128 | goto bail; | |
1129 | } | |
1130 | } else { | |
1131 | fprintf(stderr, "Unknown authentication method:%s\n", srvc->host); | |
1132 | goto bail; | |
1133 | } | |
1134 | } else { | |
6c50a575 KY |
1135 | if (CAP(NOLOGIN)) { |
1136 | fprintf(stderr, "Skipping account %s@%s, server forbids LOGIN\n", | |
1137 | srvc->user, srvc->host); | |
1138 | goto bail; | |
1139 | } | |
10439d89 CW |
1140 | if (!imap->buf.sock.ssl) |
1141 | imap_warn("*** IMAP Warning *** Password is being " | |
1142 | "sent in the clear\n"); | |
ae9c606e HM |
1143 | if (imap_exec(ctx, NULL, "LOGIN \"%s\" \"%s\"", srvc->user, srvc->pass) != RESP_OK) { |
1144 | fprintf(stderr, "IMAP error: LOGIN failed\n"); | |
1145 | goto bail; | |
1146 | } | |
f2561fda MM |
1147 | } |
1148 | } /* !preauth */ | |
1149 | ||
791643a8 DA |
1150 | if (cred.username) |
1151 | credential_approve(&cred); | |
1152 | credential_clear(&cred); | |
1153 | ||
e0d8e308 TF |
1154 | /* check the target mailbox exists */ |
1155 | ctx->name = folder; | |
1156 | switch (imap_exec(ctx, NULL, "EXAMINE \"%s\"", ctx->name)) { | |
1157 | case RESP_OK: | |
1158 | /* ok */ | |
1159 | break; | |
1160 | case RESP_BAD: | |
1161 | fprintf(stderr, "IMAP error: could not check mailbox\n"); | |
1162 | goto out; | |
1163 | case RESP_NO: | |
1164 | if (imap_exec(ctx, NULL, "CREATE \"%s\"", ctx->name) == RESP_OK) { | |
1165 | imap_info("Created missing mailbox\n"); | |
1166 | } else { | |
1167 | fprintf(stderr, "IMAP error: could not create missing mailbox\n"); | |
1168 | goto out; | |
1169 | } | |
1170 | break; | |
1171 | } | |
1172 | ||
f2561fda | 1173 | ctx->prefix = ""; |
fe47e1df | 1174 | return ctx; |
f2561fda | 1175 | |
9f1ad541 | 1176 | bail: |
791643a8 DA |
1177 | if (cred.username) |
1178 | credential_reject(&cred); | |
1179 | credential_clear(&cred); | |
1180 | ||
e0d8e308 | 1181 | out: |
fe47e1df | 1182 | imap_close_store(ctx); |
5142db69 | 1183 | return NULL; |
f2561fda MM |
1184 | } |
1185 | ||
3691031c MH |
1186 | /* |
1187 | * Insert CR characters as necessary in *msg to ensure that every LF | |
1188 | * character in *msg is preceded by a CR. | |
1189 | */ | |
f035ab62 | 1190 | static void lf_to_crlf(struct strbuf *msg) |
f2561fda | 1191 | { |
67d17630 | 1192 | char *new; |
3691031c MH |
1193 | size_t i, j; |
1194 | char lastc; | |
1195 | ||
1196 | /* First pass: tally, in j, the size of the new string: */ | |
1197 | for (i = j = 0, lastc = '\0'; i < msg->len; i++) { | |
1198 | if (msg->buf[i] == '\n' && lastc != '\r') | |
1199 | j++; /* a CR will need to be added here */ | |
1200 | lastc = msg->buf[i]; | |
1201 | j++; | |
f2561fda | 1202 | } |
67d17630 | 1203 | |
3733e694 | 1204 | new = xmallocz(j); |
3691031c MH |
1205 | |
1206 | /* | |
1207 | * Second pass: write the new string. Note that this loop is | |
1208 | * otherwise identical to the first pass. | |
1209 | */ | |
1210 | for (i = j = 0, lastc = '\0'; i < msg->len; i++) { | |
1211 | if (msg->buf[i] == '\n' && lastc != '\r') | |
67d17630 | 1212 | new[j++] = '\r'; |
3691031c | 1213 | lastc = new[j++] = msg->buf[i]; |
f2561fda | 1214 | } |
3691031c | 1215 | strbuf_attach(msg, new, j, j + 1); |
67d17630 | 1216 | } |
f2561fda | 1217 | |
f035ab62 MH |
1218 | /* |
1219 | * Store msg to IMAP. Also detach and free the data from msg->data, | |
1220 | * leaving msg->data empty. | |
1221 | */ | |
fe47e1df | 1222 | static int imap_store_msg(struct imap_store *ctx, struct strbuf *msg) |
f2561fda | 1223 | { |
9f1ad541 | 1224 | struct imap *imap = ctx->imap; |
f2561fda | 1225 | struct imap_cmd_cb cb; |
f2561fda | 1226 | const char *prefix, *box; |
719125c5 | 1227 | int ret; |
f2561fda | 1228 | |
cbc60761 | 1229 | lf_to_crlf(msg); |
95c53908 | 1230 | memset(&cb, 0, sizeof(cb)); |
f2561fda | 1231 | |
cbc60761 MH |
1232 | cb.dlen = msg->len; |
1233 | cb.data = strbuf_detach(msg, NULL); | |
f2561fda | 1234 | |
636fd66b | 1235 | box = ctx->name; |
3a7cba95 | 1236 | prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix; |
719125c5 | 1237 | ret = imap_exec_m(ctx, &cb, "APPEND \"%s%s\" ", prefix, box); |
f2561fda MM |
1238 | imap->caps = imap->rcaps; |
1239 | if (ret != DRV_OK) | |
1240 | return ret; | |
f2561fda MM |
1241 | |
1242 | return DRV_OK; | |
1243 | } | |
1244 | ||
f035ab62 | 1245 | static void wrap_in_html(struct strbuf *msg) |
c64d84f1 JW |
1246 | { |
1247 | struct strbuf buf = STRBUF_INIT; | |
c64d84f1 JW |
1248 | static char *content_type = "Content-Type: text/html;\n"; |
1249 | static char *pre_open = "<pre>\n"; | |
1250 | static char *pre_close = "</pre>\n"; | |
118a68f9 MH |
1251 | const char *body = strstr(msg->buf, "\n\n"); |
1252 | ||
1253 | if (!body) | |
1254 | return; /* Headers but no body; no wrapping needed */ | |
1255 | ||
1256 | body += 2; | |
1257 | ||
1258 | strbuf_add(&buf, msg->buf, body - msg->buf - 1); | |
1259 | strbuf_addstr(&buf, content_type); | |
1260 | strbuf_addch(&buf, '\n'); | |
1261 | strbuf_addstr(&buf, pre_open); | |
1262 | strbuf_addstr_xml_quoted(&buf, body); | |
c64d84f1 | 1263 | strbuf_addstr(&buf, pre_close); |
118a68f9 | 1264 | |
f035ab62 MH |
1265 | strbuf_release(msg); |
1266 | *msg = buf; | |
c64d84f1 JW |
1267 | } |
1268 | ||
f2561fda MM |
1269 | #define CHUNKSIZE 0x1000 |
1270 | ||
3a34e626 | 1271 | static int read_message(FILE *f, struct strbuf *all_msgs) |
f2561fda | 1272 | { |
635d043f | 1273 | do { |
3a34e626 | 1274 | if (strbuf_fread(all_msgs, CHUNKSIZE, f) <= 0) |
f2561fda | 1275 | break; |
635d043f PH |
1276 | } while (!feof(f)); |
1277 | ||
6360bee4 | 1278 | return ferror(f) ? -1 : 0; |
f2561fda MM |
1279 | } |
1280 | ||
3a34e626 | 1281 | static int count_messages(struct strbuf *all_msgs) |
f2561fda MM |
1282 | { |
1283 | int count = 0; | |
3a34e626 | 1284 | char *p = all_msgs->buf; |
f2561fda MM |
1285 | |
1286 | while (1) { | |
59556548 | 1287 | if (starts_with(p, "From ")) { |
4916c8f9 RR |
1288 | p = strstr(p+5, "\nFrom: "); |
1289 | if (!p) break; | |
1290 | p = strstr(p+7, "\nDate: "); | |
1291 | if (!p) break; | |
1292 | p = strstr(p+7, "\nSubject: "); | |
1293 | if (!p) break; | |
1294 | p += 10; | |
f2561fda | 1295 | count++; |
f2561fda | 1296 | } |
95c53908 | 1297 | p = strstr(p+5, "\nFrom "); |
f2561fda MM |
1298 | if (!p) |
1299 | break; | |
1300 | p++; | |
1301 | } | |
1302 | return count; | |
1303 | } | |
1304 | ||
f035ab62 MH |
1305 | /* |
1306 | * Copy the next message from all_msgs, starting at offset *ofs, to | |
1307 | * msg. Update *ofs to the start of the following message. Return | |
1308 | * true iff a message was successfully copied. | |
1309 | */ | |
1310 | static int split_msg(struct strbuf *all_msgs, struct strbuf *msg, int *ofs) | |
f2561fda MM |
1311 | { |
1312 | char *p, *data; | |
f035ab62 | 1313 | size_t len; |
f2561fda | 1314 | |
f2561fda MM |
1315 | if (*ofs >= all_msgs->len) |
1316 | return 0; | |
1317 | ||
3a34e626 | 1318 | data = &all_msgs->buf[*ofs]; |
f035ab62 | 1319 | len = all_msgs->len - *ofs; |
f2561fda | 1320 | |
59556548 | 1321 | if (len < 5 || !starts_with(data, "From ")) |
f2561fda MM |
1322 | return 0; |
1323 | ||
95c53908 | 1324 | p = strchr(data, '\n'); |
e0b08307 | 1325 | if (p) { |
f035ab62 MH |
1326 | p++; |
1327 | len -= p - data; | |
1328 | *ofs += p - data; | |
e0b08307 MA |
1329 | data = p; |
1330 | } | |
1331 | ||
95c53908 | 1332 | p = strstr(data, "\nFrom "); |
f2561fda | 1333 | if (p) |
f035ab62 | 1334 | len = &p[1] - data; |
f2561fda | 1335 | |
f035ab62 MH |
1336 | strbuf_add(msg, data, len); |
1337 | *ofs += len; | |
a6080a0a | 1338 | return 1; |
f2561fda MM |
1339 | } |
1340 | ||
ef7e1d0c | 1341 | static void git_imap_config(void) |
f2561fda | 1342 | { |
ef7e1d0c TA |
1343 | const char *val = NULL; |
1344 | ||
1345 | git_config_get_bool("imap.sslverify", &server.ssl_verify); | |
1346 | git_config_get_bool("imap.preformattedhtml", &server.use_html); | |
5dcdc780 | 1347 | git_config_get_string("imap.folder", &server.folder); |
3c17c34a | 1348 | |
ef7e1d0c TA |
1349 | if (!git_config_get_value("imap.host", &val)) { |
1350 | if (!val) { | |
1351 | git_die_config("imap.host", "Missing value for 'imap.host'"); | |
1352 | } else { | |
1353 | if (starts_with(val, "imap:")) | |
1354 | val += 5; | |
1355 | else if (starts_with(val, "imaps:")) { | |
1356 | val += 6; | |
1357 | server.use_ssl = 1; | |
1358 | } | |
1359 | if (starts_with(val, "//")) | |
1360 | val += 2; | |
1361 | server.host = xstrdup(val); | |
f2561fda | 1362 | } |
ef7e1d0c | 1363 | } |
ae9c606e | 1364 | |
ef7e1d0c TA |
1365 | git_config_get_string("imap.user", &server.user); |
1366 | git_config_get_string("imap.pass", &server.pass); | |
1367 | git_config_get_int("imap.port", &server.port); | |
1368 | git_config_get_string("imap.tunnel", &server.tunnel); | |
1369 | git_config_get_string("imap.authmethod", &server.auth_method); | |
f2561fda MM |
1370 | } |
1371 | ||
1e16b255 BR |
1372 | static int append_msgs_to_imap(struct imap_server_conf *server, |
1373 | struct strbuf* all_msgs, int total) | |
f2561fda | 1374 | { |
cbc60761 | 1375 | struct strbuf msg = STRBUF_INIT; |
fe47e1df | 1376 | struct imap_store *ctx = NULL; |
f2561fda MM |
1377 | int ofs = 0; |
1378 | int r; | |
1e16b255 BR |
1379 | int n = 0; |
1380 | ||
1381 | ctx = imap_open_store(server, server->folder); | |
1382 | if (!ctx) { | |
1383 | fprintf(stderr, "failed to open store\n"); | |
1384 | return 1; | |
1385 | } | |
1386 | ctx->name = server->folder; | |
1387 | ||
1388 | fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : ""); | |
1389 | while (1) { | |
1390 | unsigned percent = n * 100 / total; | |
1391 | ||
1392 | fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total); | |
1393 | ||
1394 | if (!split_msg(all_msgs, &msg, &ofs)) | |
1395 | break; | |
1396 | if (server->use_html) | |
1397 | wrap_in_html(&msg); | |
1398 | r = imap_store_msg(ctx, &msg); | |
1399 | if (r != DRV_OK) | |
1400 | break; | |
1401 | n++; | |
1402 | } | |
1403 | fprintf(stderr, "\n"); | |
1404 | ||
1405 | imap_close_store(ctx); | |
1406 | ||
1407 | return 0; | |
1408 | } | |
1409 | ||
1410 | #ifdef USE_CURL_FOR_IMAP_SEND | |
19079b3e | 1411 | static CURL *setup_curl(struct imap_server_conf *srvc, struct credential *cred) |
1e16b255 BR |
1412 | { |
1413 | CURL *curl; | |
1414 | struct strbuf path = STRBUF_INIT; | |
77eac3f8 | 1415 | char *uri_encoded_folder; |
1e16b255 BR |
1416 | |
1417 | if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) | |
1418 | die("curl_global_init failed"); | |
1419 | ||
1420 | curl = curl_easy_init(); | |
1421 | ||
1422 | if (!curl) | |
1423 | die("curl_easy_init failed"); | |
1424 | ||
19079b3e | 1425 | server_fill_credential(&server, cred); |
1e16b255 BR |
1426 | curl_easy_setopt(curl, CURLOPT_USERNAME, server.user); |
1427 | curl_easy_setopt(curl, CURLOPT_PASSWORD, server.pass); | |
1428 | ||
d2d07ab8 | 1429 | strbuf_addstr(&path, server.use_ssl ? "imaps://" : "imap://"); |
1e16b255 BR |
1430 | strbuf_addstr(&path, server.host); |
1431 | if (!path.len || path.buf[path.len - 1] != '/') | |
1432 | strbuf_addch(&path, '/'); | |
77eac3f8 NMC |
1433 | |
1434 | uri_encoded_folder = curl_easy_escape(curl, server.folder, 0); | |
1435 | if (!uri_encoded_folder) | |
1436 | die("failed to encode server folder"); | |
1437 | strbuf_addstr(&path, uri_encoded_folder); | |
1438 | curl_free(uri_encoded_folder); | |
1e16b255 BR |
1439 | |
1440 | curl_easy_setopt(curl, CURLOPT_URL, path.buf); | |
1441 | strbuf_release(&path); | |
1442 | curl_easy_setopt(curl, CURLOPT_PORT, server.port); | |
1443 | ||
1444 | if (server.auth_method) { | |
71d92575 JS |
1445 | #if LIBCURL_VERSION_NUM < 0x072200 |
1446 | warning("No LOGIN_OPTIONS support in this cURL version"); | |
1447 | #else | |
1e16b255 BR |
1448 | struct strbuf auth = STRBUF_INIT; |
1449 | strbuf_addstr(&auth, "AUTH="); | |
1450 | strbuf_addstr(&auth, server.auth_method); | |
1451 | curl_easy_setopt(curl, CURLOPT_LOGIN_OPTIONS, auth.buf); | |
1452 | strbuf_release(&auth); | |
71d92575 | 1453 | #endif |
1e16b255 BR |
1454 | } |
1455 | ||
230c09c0 KM |
1456 | if (!server.use_ssl) |
1457 | curl_easy_setopt(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_TRY); | |
1e16b255 BR |
1458 | |
1459 | curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, server.ssl_verify); | |
1460 | curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, server.ssl_verify); | |
1461 | ||
1462 | curl_easy_setopt(curl, CURLOPT_READFUNCTION, fread_buffer); | |
1463 | ||
1464 | curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L); | |
1465 | ||
d47e55da | 1466 | if (0 < verbosity || getenv("GIT_CURL_VERBOSE")) |
1e16b255 | 1467 | curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L); |
73e57aaf | 1468 | setup_curl_trace(curl); |
1e16b255 BR |
1469 | |
1470 | return curl; | |
1471 | } | |
1472 | ||
1473 | static int curl_append_msgs_to_imap(struct imap_server_conf *server, | |
1474 | struct strbuf* all_msgs, int total) { | |
1475 | int ofs = 0; | |
1476 | int n = 0; | |
1477 | struct buffer msgbuf = { STRBUF_INIT, 0 }; | |
1478 | CURL *curl; | |
1479 | CURLcode res = CURLE_OK; | |
19079b3e | 1480 | struct credential cred = CREDENTIAL_INIT; |
1e16b255 | 1481 | |
19079b3e | 1482 | curl = setup_curl(server, &cred); |
1e16b255 BR |
1483 | curl_easy_setopt(curl, CURLOPT_READDATA, &msgbuf); |
1484 | ||
1485 | fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : ""); | |
1486 | while (1) { | |
1487 | unsigned percent = n * 100 / total; | |
1488 | int prev_len; | |
1489 | ||
1490 | fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total); | |
1491 | ||
1492 | prev_len = msgbuf.buf.len; | |
1493 | if (!split_msg(all_msgs, &msgbuf.buf, &ofs)) | |
1494 | break; | |
1495 | if (server->use_html) | |
1496 | wrap_in_html(&msgbuf.buf); | |
1497 | lf_to_crlf(&msgbuf.buf); | |
1498 | ||
1499 | curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, | |
1500 | (curl_off_t)(msgbuf.buf.len-prev_len)); | |
1501 | ||
1502 | res = curl_easy_perform(curl); | |
1503 | ||
1504 | if(res != CURLE_OK) { | |
1505 | fprintf(stderr, "curl_easy_perform() failed: %s\n", | |
1506 | curl_easy_strerror(res)); | |
1507 | break; | |
1508 | } | |
1509 | ||
1510 | n++; | |
1511 | } | |
1512 | fprintf(stderr, "\n"); | |
1513 | ||
1514 | curl_easy_cleanup(curl); | |
1515 | curl_global_cleanup(); | |
1516 | ||
19079b3e NMC |
1517 | if (cred.username) { |
1518 | if (res == CURLE_OK) | |
1519 | credential_approve(&cred); | |
1520 | #if LIBCURL_VERSION_NUM >= 0x070d01 | |
1521 | else if (res == CURLE_LOGIN_DENIED) | |
1522 | #else | |
1523 | else | |
1524 | #endif | |
1525 | credential_reject(&cred); | |
1526 | } | |
1527 | ||
1528 | credential_clear(&cred); | |
1529 | ||
200bc38b | 1530 | return res != CURLE_OK; |
1e16b255 BR |
1531 | } |
1532 | #endif | |
1533 | ||
3f2e2297 | 1534 | int cmd_main(int argc, const char **argv) |
1e16b255 BR |
1535 | { |
1536 | struct strbuf all_msgs = STRBUF_INIT; | |
1537 | int total; | |
a0406b94 | 1538 | int nongit_ok; |
f2561fda | 1539 | |
a0406b94 | 1540 | setup_git_directory_gently(&nongit_ok); |
ef7e1d0c | 1541 | git_imap_config(); |
f2561fda | 1542 | |
f1a35295 BR |
1543 | argc = parse_options(argc, (const char **)argv, "", imap_send_options, imap_send_usage, 0); |
1544 | ||
1545 | if (argc) | |
1546 | usage_with_options(imap_send_usage, imap_send_options); | |
1547 | ||
1e16b255 BR |
1548 | #ifndef USE_CURL_FOR_IMAP_SEND |
1549 | if (use_curl) { | |
dcd01ea1 | 1550 | warning("--curl not supported in this build"); |
1e16b255 BR |
1551 | use_curl = 0; |
1552 | } | |
dcd01ea1 KM |
1553 | #elif defined(NO_OPENSSL) |
1554 | if (!use_curl) { | |
1555 | warning("--no-curl not supported in this build"); | |
1556 | use_curl = 1; | |
1557 | } | |
1e16b255 BR |
1558 | #endif |
1559 | ||
684ec6c6 RS |
1560 | if (!server.port) |
1561 | server.port = server.use_ssl ? 993 : 143; | |
f2561fda | 1562 | |
39180571 | 1563 | if (!server.folder) { |
95c53908 | 1564 | fprintf(stderr, "no imap store specified\n"); |
f2561fda MM |
1565 | return 1; |
1566 | } | |
5b67b8e2 | 1567 | if (!server.host) { |
34b5cd1f | 1568 | if (!server.tunnel) { |
95c53908 | 1569 | fprintf(stderr, "no imap host specified\n"); |
34b5cd1f JK |
1570 | return 1; |
1571 | } | |
1572 | server.host = "tunnel"; | |
5b67b8e2 | 1573 | } |
f2561fda MM |
1574 | |
1575 | /* read the messages */ | |
6360bee4 MH |
1576 | if (read_message(stdin, &all_msgs)) { |
1577 | fprintf(stderr, "error reading input\n"); | |
1578 | return 1; | |
1579 | } | |
1580 | ||
1581 | if (all_msgs.len == 0) { | |
9f1ad541 | 1582 | fprintf(stderr, "nothing to send\n"); |
f2561fda MM |
1583 | return 1; |
1584 | } | |
1585 | ||
95c53908 | 1586 | total = count_messages(&all_msgs); |
1cd88cc9 | 1587 | if (!total) { |
9f1ad541 | 1588 | fprintf(stderr, "no messages to send\n"); |
f2561fda MM |
1589 | return 1; |
1590 | } | |
1591 | ||
1592 | /* write it to the imap server */ | |
f035ab62 | 1593 | |
1e16b255 BR |
1594 | if (server.tunnel) |
1595 | return append_msgs_to_imap(&server, &all_msgs, total); | |
f2561fda | 1596 | |
1e16b255 BR |
1597 | #ifdef USE_CURL_FOR_IMAP_SEND |
1598 | if (use_curl) | |
1599 | return curl_append_msgs_to_imap(&server, &all_msgs, total); | |
1600 | #endif | |
f2561fda | 1601 | |
1e16b255 | 1602 | return append_msgs_to_imap(&server, &all_msgs, total); |
f2561fda | 1603 | } |