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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 | |
d05b08cd | 21 | * along with this program; if not, see <https://www.gnu.org/licenses/>. |
f2561fda MM |
22 | */ |
23 | ||
15db4e7f | 24 | #include "git-compat-util.h" |
b2141fc1 | 25 | #include "config.h" |
791643a8 | 26 | #include "credential.h" |
f394e093 | 27 | #include "gettext.h" |
c94d2dd0 | 28 | #include "run-command.h" |
f1a35295 | 29 | #include "parse-options.h" |
e38da487 | 30 | #include "setup.h" |
30bced3a | 31 | #include "strbuf.h" |
5b52d9f1 | 32 | #if defined(NO_OPENSSL) && !defined(HAVE_OPENSSL_CSPRNG) |
684ec6c6 RS |
33 | typedef void *SSL; |
34 | #endif | |
1e16b255 BR |
35 | #ifdef USE_CURL_FOR_IMAP_SEND |
36 | #include "http.h" | |
37 | #endif | |
f2561fda | 38 | |
dbba42bb NMC |
39 | #if defined(USE_CURL_FOR_IMAP_SEND) |
40 | /* Always default to curl if it's available. */ | |
dcd01ea1 KM |
41 | #define USE_CURL_DEFAULT 1 |
42 | #else | |
dbba42bb | 43 | /* We don't have curl, so continue to use the historical implementation */ |
dcd01ea1 KM |
44 | #define USE_CURL_DEFAULT 0 |
45 | #endif | |
46 | ||
f1a35295 | 47 | static int verbosity; |
dcd01ea1 | 48 | static int use_curl = USE_CURL_DEFAULT; |
f1a35295 | 49 | |
1e16b255 | 50 | static const char * const imap_send_usage[] = { "git imap-send [-v] [-q] [--[no-]curl] < <mbox>", NULL }; |
f1a35295 BR |
51 | |
52 | static struct option imap_send_options[] = { | |
53 | OPT__VERBOSITY(&verbosity), | |
1e16b255 | 54 | OPT_BOOL(0, "curl", &use_curl, "use libcurl to communicate with the IMAP server"), |
f1a35295 BR |
55 | OPT_END() |
56 | }; | |
f2561fda | 57 | |
d23b1ecf | 58 | #undef DRV_OK |
f2561fda MM |
59 | #define DRV_OK 0 |
60 | #define DRV_MSG_BAD -1 | |
61 | #define DRV_BOX_BAD -2 | |
62 | #define DRV_STORE_BAD -3 | |
63 | ||
28bea9e5 | 64 | __attribute__((format (printf, 1, 2))) |
95c53908 | 65 | static void imap_info(const char *, ...); |
28bea9e5 | 66 | __attribute__((format (printf, 1, 2))) |
95c53908 | 67 | static void imap_warn(const char *, ...); |
f2561fda | 68 | |
95c53908 | 69 | static char *next_arg(char **); |
f2561fda | 70 | |
9f1ad541 | 71 | struct imap_server_conf { |
50212361 NMC |
72 | const char *name; |
73 | const char *tunnel; | |
74 | const char *host; | |
f2561fda | 75 | int port; |
50212361 NMC |
76 | const char *folder; |
77 | const char *user; | |
78 | const char *pass; | |
684ec6c6 RS |
79 | int use_ssl; |
80 | int ssl_verify; | |
c64d84f1 | 81 | int use_html; |
50212361 | 82 | const char *auth_method; |
ae9c606e HM |
83 | }; |
84 | ||
85 | static struct imap_server_conf server = { | |
518f7059 | 86 | .ssl_verify = 1, |
9f1ad541 | 87 | }; |
f2561fda | 88 | |
9f1ad541 | 89 | struct imap_socket { |
7a7796e9 | 90 | int fd[2]; |
684ec6c6 | 91 | SSL *ssl; |
9f1ad541 | 92 | }; |
f2561fda | 93 | |
9f1ad541 JH |
94 | struct imap_buffer { |
95 | struct imap_socket sock; | |
f2561fda MM |
96 | int bytes; |
97 | int offset; | |
98 | char buf[1024]; | |
9f1ad541 | 99 | }; |
f2561fda MM |
100 | |
101 | struct imap_cmd; | |
102 | ||
9f1ad541 | 103 | struct imap { |
f2561fda | 104 | int uidnext; /* from SELECT responses */ |
f2561fda MM |
105 | unsigned caps, rcaps; /* CAPABILITY results */ |
106 | /* command queue */ | |
107 | int nexttag, num_in_progress, literal_pending; | |
108 | struct imap_cmd *in_progress, **in_progress_append; | |
9f1ad541 JH |
109 | struct imap_buffer buf; /* this is BIG, so put it last */ |
110 | }; | |
f2561fda | 111 | |
9f1ad541 | 112 | struct imap_store { |
636fd66b MH |
113 | /* currently open mailbox */ |
114 | const char *name; /* foreign! maybe preset? */ | |
115 | int uidvalidity; | |
9f1ad541 | 116 | struct imap *imap; |
f2561fda | 117 | const char *prefix; |
9f1ad541 | 118 | }; |
f2561fda MM |
119 | |
120 | struct imap_cmd_cb { | |
ec9e358a | 121 | int (*cont)(struct imap_store *ctx, const char *prompt); |
f2561fda MM |
122 | void *ctx; |
123 | char *data; | |
124 | int dlen; | |
f2561fda MM |
125 | }; |
126 | ||
127 | struct imap_cmd { | |
128 | struct imap_cmd *next; | |
129 | struct imap_cmd_cb cb; | |
130 | char *cmd; | |
131 | int tag; | |
132 | }; | |
133 | ||
134 | #define CAP(cap) (imap->caps & (1 << (cap))) | |
135 | ||
136 | enum CAPABILITY { | |
137 | NOLOGIN = 0, | |
138 | UIDPLUS, | |
139 | LITERALPLUS, | |
140 | NAMESPACE, | |
684ec6c6 | 141 | STARTTLS, |
4b05548f | 142 | AUTH_CRAM_MD5 |
f2561fda MM |
143 | }; |
144 | ||
145 | static const char *cap_list[] = { | |
146 | "LOGINDISABLED", | |
147 | "UIDPLUS", | |
148 | "LITERAL+", | |
149 | "NAMESPACE", | |
684ec6c6 | 150 | "STARTTLS", |
ae9c606e | 151 | "AUTH=CRAM-MD5", |
f2561fda MM |
152 | }; |
153 | ||
154 | #define RESP_OK 0 | |
155 | #define RESP_NO 1 | |
156 | #define RESP_BAD 2 | |
157 | ||
9f1ad541 | 158 | static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd); |
f2561fda MM |
159 | |
160 | ||
684ec6c6 RS |
161 | #ifndef NO_OPENSSL |
162 | static void ssl_socket_perror(const char *func) | |
163 | { | |
2af202be | 164 | fprintf(stderr, "%s: %s\n", func, ERR_error_string(ERR_get_error(), NULL)); |
684ec6c6 RS |
165 | } |
166 | #endif | |
167 | ||
9f1ad541 | 168 | static void socket_perror(const char *func, struct imap_socket *sock, int ret) |
f2561fda | 169 | { |
684ec6c6 RS |
170 | #ifndef NO_OPENSSL |
171 | if (sock->ssl) { | |
172 | int sslerr = SSL_get_error(sock->ssl, ret); | |
173 | switch (sslerr) { | |
174 | case SSL_ERROR_NONE: | |
175 | break; | |
176 | case SSL_ERROR_SYSCALL: | |
177 | perror("SSL_connect"); | |
178 | break; | |
179 | default: | |
180 | ssl_socket_perror("SSL_connect"); | |
181 | break; | |
182 | } | |
183 | } else | |
184 | #endif | |
185 | { | |
186 | if (ret < 0) | |
187 | perror(func); | |
188 | else | |
189 | fprintf(stderr, "%s: unexpected EOF\n", func); | |
190 | } | |
2c3c3d88 JK |
191 | /* mark as used to appease -Wunused-parameter with NO_OPENSSL */ |
192 | (void)sock; | |
684ec6c6 RS |
193 | } |
194 | ||
1e1fe529 | 195 | #ifdef NO_OPENSSL |
2c3c3d88 JK |
196 | static int ssl_socket_connect(struct imap_socket *sock UNUSED, |
197 | int use_tls_only UNUSED, | |
198 | int verify UNUSED) | |
684ec6c6 | 199 | { |
684ec6c6 RS |
200 | fprintf(stderr, "SSL requested but SSL support not compiled in\n"); |
201 | return -1; | |
1e1fe529 JH |
202 | } |
203 | ||
1e380ddc | 204 | #else |
1e1fe529 | 205 | |
b62fb077 OB |
206 | static int host_matches(const char *host, const char *pattern) |
207 | { | |
208 | if (pattern[0] == '*' && pattern[1] == '.') { | |
209 | pattern += 2; | |
210 | if (!(host = strchr(host, '.'))) | |
211 | return 0; | |
212 | host++; | |
213 | } | |
214 | ||
215 | return *host && *pattern && !strcasecmp(host, pattern); | |
216 | } | |
217 | ||
218 | static int verify_hostname(X509 *cert, const char *hostname) | |
219 | { | |
220 | int len; | |
221 | X509_NAME *subj; | |
222 | char cname[1000]; | |
e174744a OB |
223 | int i, found; |
224 | STACK_OF(GENERAL_NAME) *subj_alt_names; | |
225 | ||
226 | /* try the DNS subjectAltNames */ | |
227 | found = 0; | |
228 | if ((subj_alt_names = X509_get_ext_d2i(cert, NID_subject_alt_name, NULL, NULL))) { | |
229 | int num_subj_alt_names = sk_GENERAL_NAME_num(subj_alt_names); | |
230 | for (i = 0; !found && i < num_subj_alt_names; i++) { | |
231 | GENERAL_NAME *subj_alt_name = sk_GENERAL_NAME_value(subj_alt_names, i); | |
232 | if (subj_alt_name->type == GEN_DNS && | |
233 | strlen((const char *)subj_alt_name->d.ia5->data) == (size_t)subj_alt_name->d.ia5->length && | |
234 | host_matches(hostname, (const char *)(subj_alt_name->d.ia5->data))) | |
235 | found = 1; | |
236 | } | |
237 | sk_GENERAL_NAME_pop_free(subj_alt_names, GENERAL_NAME_free); | |
238 | } | |
239 | if (found) | |
240 | return 0; | |
b62fb077 OB |
241 | |
242 | /* try the common name */ | |
243 | if (!(subj = X509_get_subject_name(cert))) | |
244 | return error("cannot get certificate subject"); | |
245 | if ((len = X509_NAME_get_text_by_NID(subj, NID_commonName, cname, sizeof(cname))) < 0) | |
246 | return error("cannot get certificate common name"); | |
247 | if (strlen(cname) == (size_t)len && host_matches(hostname, cname)) | |
248 | return 0; | |
249 | return error("certificate owner '%s' does not match hostname '%s'", | |
250 | cname, hostname); | |
251 | } | |
252 | ||
1e1fe529 JH |
253 | static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int verify) |
254 | { | |
1e380ddc VL |
255 | #if (OPENSSL_VERSION_NUMBER >= 0x10000000L) |
256 | const SSL_METHOD *meth; | |
684ec6c6 RS |
257 | #else |
258 | SSL_METHOD *meth; | |
1e380ddc | 259 | #endif |
684ec6c6 RS |
260 | SSL_CTX *ctx; |
261 | int ret; | |
b62fb077 | 262 | X509 *cert; |
684ec6c6 RS |
263 | |
264 | SSL_library_init(); | |
265 | SSL_load_error_strings(); | |
266 | ||
b51c0d4b | 267 | meth = SSLv23_method(); |
684ec6c6 RS |
268 | if (!meth) { |
269 | ssl_socket_perror("SSLv23_method"); | |
270 | return -1; | |
271 | } | |
272 | ||
273 | ctx = SSL_CTX_new(meth); | |
6738a33b KY |
274 | if (!ctx) { |
275 | ssl_socket_perror("SSL_CTX_new"); | |
276 | return -1; | |
277 | } | |
684ec6c6 | 278 | |
b51c0d4b KY |
279 | if (use_tls_only) |
280 | SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3); | |
684ec6c6 RS |
281 | |
282 | if (verify) | |
283 | SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL); | |
284 | ||
285 | if (!SSL_CTX_set_default_verify_paths(ctx)) { | |
286 | ssl_socket_perror("SSL_CTX_set_default_verify_paths"); | |
287 | return -1; | |
288 | } | |
289 | sock->ssl = SSL_new(ctx); | |
290 | if (!sock->ssl) { | |
291 | ssl_socket_perror("SSL_new"); | |
292 | return -1; | |
293 | } | |
7a7796e9 EFL |
294 | if (!SSL_set_rfd(sock->ssl, sock->fd[0])) { |
295 | ssl_socket_perror("SSL_set_rfd"); | |
296 | return -1; | |
297 | } | |
298 | if (!SSL_set_wfd(sock->ssl, sock->fd[1])) { | |
299 | ssl_socket_perror("SSL_set_wfd"); | |
684ec6c6 RS |
300 | return -1; |
301 | } | |
302 | ||
698a1ec4 JH |
303 | #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME |
304 | /* | |
305 | * SNI (RFC4366) | |
306 | * OpenSSL does not document this function, but the implementation | |
307 | * returns 1 on success, 0 on failure after calling SSLerr(). | |
308 | */ | |
309 | ret = SSL_set_tlsext_host_name(sock->ssl, server.host); | |
310 | if (ret != 1) | |
311 | warning("SSL_set_tlsext_host_name(%s) failed.", server.host); | |
312 | #endif | |
313 | ||
684ec6c6 RS |
314 | ret = SSL_connect(sock->ssl); |
315 | if (ret <= 0) { | |
316 | socket_perror("SSL_connect", sock, ret); | |
317 | return -1; | |
318 | } | |
319 | ||
b62fb077 OB |
320 | if (verify) { |
321 | /* make sure the hostname matches that of the certificate */ | |
322 | cert = SSL_get_peer_certificate(sock->ssl); | |
323 | if (!cert) | |
324 | return error("unable to get peer certificate."); | |
325 | if (verify_hostname(cert, server.host) < 0) | |
326 | return -1; | |
327 | } | |
328 | ||
684ec6c6 | 329 | return 0; |
f2561fda | 330 | } |
1e1fe529 | 331 | #endif |
f2561fda | 332 | |
9f1ad541 | 333 | static int socket_read(struct imap_socket *sock, char *buf, int len) |
f2561fda | 334 | { |
684ec6c6 RS |
335 | ssize_t n; |
336 | #ifndef NO_OPENSSL | |
337 | if (sock->ssl) | |
338 | n = SSL_read(sock->ssl, buf, len); | |
339 | else | |
340 | #endif | |
7a7796e9 | 341 | n = xread(sock->fd[0], buf, len); |
f2561fda | 342 | if (n <= 0) { |
95c53908 | 343 | socket_perror("read", sock, n); |
7a7796e9 EFL |
344 | close(sock->fd[0]); |
345 | close(sock->fd[1]); | |
346 | sock->fd[0] = sock->fd[1] = -1; | |
f2561fda MM |
347 | } |
348 | return n; | |
349 | } | |
350 | ||
9f1ad541 | 351 | static int socket_write(struct imap_socket *sock, const char *buf, int len) |
f2561fda | 352 | { |
684ec6c6 RS |
353 | int n; |
354 | #ifndef NO_OPENSSL | |
355 | if (sock->ssl) | |
356 | n = SSL_write(sock->ssl, buf, len); | |
357 | else | |
358 | #endif | |
7a7796e9 | 359 | n = write_in_full(sock->fd[1], buf, len); |
f2561fda | 360 | if (n != len) { |
95c53908 | 361 | socket_perror("write", sock, n); |
7a7796e9 EFL |
362 | close(sock->fd[0]); |
363 | close(sock->fd[1]); | |
364 | sock->fd[0] = sock->fd[1] = -1; | |
f2561fda MM |
365 | } |
366 | return n; | |
367 | } | |
368 | ||
9f1ad541 | 369 | static void socket_shutdown(struct imap_socket *sock) |
684ec6c6 RS |
370 | { |
371 | #ifndef NO_OPENSSL | |
372 | if (sock->ssl) { | |
373 | SSL_shutdown(sock->ssl); | |
374 | SSL_free(sock->ssl); | |
375 | } | |
376 | #endif | |
7a7796e9 EFL |
377 | close(sock->fd[0]); |
378 | close(sock->fd[1]); | |
684ec6c6 RS |
379 | } |
380 | ||
f2561fda | 381 | /* simple line buffering */ |
9f1ad541 | 382 | static int buffer_gets(struct imap_buffer *b, char **s) |
f2561fda MM |
383 | { |
384 | int n; | |
385 | int start = b->offset; | |
386 | ||
387 | *s = b->buf + start; | |
388 | ||
389 | for (;;) { | |
390 | /* make sure we have enough data to read the \r\n sequence */ | |
391 | if (b->offset + 1 >= b->bytes) { | |
392 | if (start) { | |
393 | /* shift down used bytes */ | |
394 | *s = b->buf; | |
395 | ||
95c53908 | 396 | assert(start <= b->bytes); |
f2561fda MM |
397 | n = b->bytes - start; |
398 | ||
399 | if (n) | |
173a9cbe | 400 | memmove(b->buf, b->buf + start, n); |
f2561fda MM |
401 | b->offset -= start; |
402 | b->bytes = n; | |
403 | start = 0; | |
404 | } | |
405 | ||
95c53908 RS |
406 | n = socket_read(&b->sock, b->buf + b->bytes, |
407 | sizeof(b->buf) - b->bytes); | |
f2561fda MM |
408 | |
409 | if (n <= 0) | |
410 | return -1; | |
411 | ||
412 | b->bytes += n; | |
413 | } | |
414 | ||
415 | if (b->buf[b->offset] == '\r') { | |
95c53908 | 416 | assert(b->offset + 1 < b->bytes); |
f2561fda MM |
417 | if (b->buf[b->offset + 1] == '\n') { |
418 | b->buf[b->offset] = 0; /* terminate the string */ | |
419 | b->offset += 2; /* next line */ | |
f1a35295 | 420 | if (0 < verbosity) |
95c53908 | 421 | puts(*s); |
f2561fda MM |
422 | return 0; |
423 | } | |
424 | } | |
425 | ||
426 | b->offset++; | |
427 | } | |
428 | /* not reached */ | |
429 | } | |
430 | ||
48ca53ca | 431 | __attribute__((format (printf, 1, 2))) |
95c53908 | 432 | static void imap_info(const char *msg, ...) |
f2561fda MM |
433 | { |
434 | va_list va; | |
435 | ||
f1a35295 | 436 | if (0 <= verbosity) { |
95c53908 RS |
437 | va_start(va, msg); |
438 | vprintf(msg, va); | |
439 | va_end(va); | |
440 | fflush(stdout); | |
f2561fda MM |
441 | } |
442 | } | |
443 | ||
48ca53ca | 444 | __attribute__((format (printf, 1, 2))) |
95c53908 | 445 | static void imap_warn(const char *msg, ...) |
f2561fda MM |
446 | { |
447 | va_list va; | |
448 | ||
f1a35295 | 449 | if (-2 < verbosity) { |
95c53908 RS |
450 | va_start(va, msg); |
451 | vfprintf(stderr, msg, va); | |
452 | va_end(va); | |
f2561fda MM |
453 | } |
454 | } | |
455 | ||
95c53908 | 456 | static char *next_arg(char **s) |
f2561fda MM |
457 | { |
458 | char *ret; | |
459 | ||
460 | if (!s || !*s) | |
5142db69 | 461 | return NULL; |
95c53908 | 462 | while (isspace((unsigned char) **s)) |
f2561fda MM |
463 | (*s)++; |
464 | if (!**s) { | |
5142db69 RS |
465 | *s = NULL; |
466 | return NULL; | |
f2561fda MM |
467 | } |
468 | if (**s == '"') { | |
469 | ++*s; | |
470 | ret = *s; | |
95c53908 | 471 | *s = strchr(*s, '"'); |
f2561fda MM |
472 | } else { |
473 | ret = *s; | |
95c53908 | 474 | while (**s && !isspace((unsigned char) **s)) |
f2561fda MM |
475 | (*s)++; |
476 | } | |
477 | if (*s) { | |
478 | if (**s) | |
479 | *(*s)++ = 0; | |
480 | if (!**s) | |
5142db69 | 481 | *s = NULL; |
f2561fda MM |
482 | } |
483 | return ret; | |
484 | } | |
485 | ||
e0d8e308 TF |
486 | static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx, |
487 | struct imap_cmd_cb *cb, | |
488 | const char *fmt, va_list ap) | |
f2561fda | 489 | { |
9f1ad541 | 490 | struct imap *imap = ctx->imap; |
f2561fda | 491 | struct imap_cmd *cmd; |
21b5821a RS |
492 | int n; |
493 | struct strbuf buf = STRBUF_INIT; | |
f2561fda | 494 | |
95c53908 | 495 | cmd = xmalloc(sizeof(struct imap_cmd)); |
21b5821a | 496 | cmd->cmd = xstrvfmt(fmt, ap); |
f2561fda MM |
497 | cmd->tag = ++imap->nexttag; |
498 | ||
499 | if (cb) | |
500 | cmd->cb = *cb; | |
501 | else | |
95c53908 | 502 | memset(&cmd->cb, 0, sizeof(cmd->cb)); |
f2561fda MM |
503 | |
504 | while (imap->literal_pending) | |
95c53908 | 505 | get_cmd_result(ctx, NULL); |
f2561fda | 506 | |
1702b138 | 507 | if (!cmd->cb.data) |
21b5821a | 508 | strbuf_addf(&buf, "%d %s\r\n", cmd->tag, cmd->cmd); |
1702b138 | 509 | else |
21b5821a RS |
510 | strbuf_addf(&buf, "%d %s{%d%s}\r\n", cmd->tag, cmd->cmd, |
511 | cmd->cb.dlen, CAP(LITERALPLUS) ? "+" : ""); | |
512 | if (buf.len > INT_MAX) | |
513 | die("imap command overflow!"); | |
f2561fda | 514 | |
f1a35295 | 515 | if (0 < verbosity) { |
f2561fda | 516 | if (imap->num_in_progress) |
95c53908 | 517 | printf("(%d in progress) ", imap->num_in_progress); |
ba9b9e12 | 518 | if (!starts_with(cmd->cmd, "LOGIN")) |
21b5821a | 519 | printf(">>> %s", buf.buf); |
f2561fda | 520 | else |
95c53908 | 521 | printf(">>> %d LOGIN <user> <pass>\n", cmd->tag); |
f2561fda | 522 | } |
21b5821a | 523 | if (socket_write(&imap->buf.sock, buf.buf, buf.len) != buf.len) { |
95c53908 RS |
524 | free(cmd->cmd); |
525 | free(cmd); | |
8e0f7003 | 526 | if (cb) |
95c53908 | 527 | free(cb->data); |
21b5821a | 528 | strbuf_release(&buf); |
f2561fda MM |
529 | return NULL; |
530 | } | |
21b5821a | 531 | strbuf_release(&buf); |
f2561fda MM |
532 | if (cmd->cb.data) { |
533 | if (CAP(LITERALPLUS)) { | |
95c53908 RS |
534 | n = socket_write(&imap->buf.sock, cmd->cb.data, cmd->cb.dlen); |
535 | free(cmd->cb.data); | |
f2561fda | 536 | if (n != cmd->cb.dlen || |
8e76bf3f | 537 | socket_write(&imap->buf.sock, "\r\n", 2) != 2) { |
95c53908 RS |
538 | free(cmd->cmd); |
539 | free(cmd); | |
f2561fda MM |
540 | return NULL; |
541 | } | |
5142db69 | 542 | cmd->cb.data = NULL; |
f2561fda MM |
543 | } else |
544 | imap->literal_pending = 1; | |
545 | } else if (cmd->cb.cont) | |
546 | imap->literal_pending = 1; | |
5142db69 | 547 | cmd->next = NULL; |
f2561fda MM |
548 | *imap->in_progress_append = cmd; |
549 | imap->in_progress_append = &cmd->next; | |
550 | imap->num_in_progress++; | |
551 | return cmd; | |
552 | } | |
553 | ||
28bea9e5 | 554 | __attribute__((format (printf, 3, 4))) |
9f1ad541 | 555 | static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb, |
95c53908 | 556 | const char *fmt, ...) |
f2561fda MM |
557 | { |
558 | va_list ap; | |
559 | struct imap_cmd *cmdp; | |
560 | ||
95c53908 | 561 | va_start(ap, fmt); |
e0d8e308 | 562 | cmdp = issue_imap_cmd(ctx, cb, fmt, ap); |
95c53908 | 563 | va_end(ap); |
f2561fda MM |
564 | if (!cmdp) |
565 | return RESP_BAD; | |
566 | ||
95c53908 | 567 | return get_cmd_result(ctx, cmdp); |
f2561fda MM |
568 | } |
569 | ||
28bea9e5 | 570 | __attribute__((format (printf, 3, 4))) |
9f1ad541 | 571 | static int imap_exec_m(struct imap_store *ctx, struct imap_cmd_cb *cb, |
95c53908 | 572 | const char *fmt, ...) |
f2561fda MM |
573 | { |
574 | va_list ap; | |
575 | struct imap_cmd *cmdp; | |
576 | ||
95c53908 | 577 | va_start(ap, fmt); |
e0d8e308 | 578 | cmdp = issue_imap_cmd(ctx, cb, fmt, ap); |
95c53908 | 579 | va_end(ap); |
f2561fda MM |
580 | if (!cmdp) |
581 | return DRV_STORE_BAD; | |
582 | ||
95c53908 | 583 | switch (get_cmd_result(ctx, cmdp)) { |
f2561fda MM |
584 | case RESP_BAD: return DRV_STORE_BAD; |
585 | case RESP_NO: return DRV_MSG_BAD; | |
586 | default: return DRV_OK; | |
587 | } | |
588 | } | |
589 | ||
3648b4d9 | 590 | static int skip_imap_list_l(char **sp, int level) |
f2561fda | 591 | { |
3648b4d9 | 592 | char *s = *sp; |
f2561fda MM |
593 | |
594 | for (;;) { | |
95c53908 | 595 | while (isspace((unsigned char)*s)) |
f2561fda MM |
596 | s++; |
597 | if (level && *s == ')') { | |
598 | s++; | |
599 | break; | |
600 | } | |
f2561fda MM |
601 | if (*s == '(') { |
602 | /* sublist */ | |
603 | s++; | |
3648b4d9 | 604 | if (skip_imap_list_l(&s, level + 1)) |
f2561fda MM |
605 | goto bail; |
606 | } else if (*s == '"') { | |
607 | /* quoted string */ | |
608 | s++; | |
f2561fda MM |
609 | for (; *s != '"'; s++) |
610 | if (!*s) | |
611 | goto bail; | |
f2561fda | 612 | s++; |
f2561fda MM |
613 | } else { |
614 | /* atom */ | |
95c53908 | 615 | for (; *s && !isspace((unsigned char)*s); s++) |
f2561fda MM |
616 | if (level && *s == ')') |
617 | break; | |
f2561fda MM |
618 | } |
619 | ||
620 | if (!level) | |
621 | break; | |
622 | if (!*s) | |
623 | goto bail; | |
624 | } | |
625 | *sp = s; | |
f2561fda MM |
626 | return 0; |
627 | ||
9f1ad541 | 628 | bail: |
f2561fda MM |
629 | return -1; |
630 | } | |
631 | ||
3648b4d9 | 632 | static void skip_list(char **sp) |
f2561fda | 633 | { |
3648b4d9 | 634 | skip_imap_list_l(sp, 0); |
f2561fda MM |
635 | } |
636 | ||
9f1ad541 | 637 | static void parse_capability(struct imap *imap, char *cmd) |
f2561fda MM |
638 | { |
639 | char *arg; | |
640 | unsigned i; | |
641 | ||
642 | imap->caps = 0x80000000; | |
95c53908 | 643 | while ((arg = next_arg(&cmd))) |
f2561fda | 644 | for (i = 0; i < ARRAY_SIZE(cap_list); i++) |
95c53908 | 645 | if (!strcmp(cap_list[i], arg)) |
f2561fda MM |
646 | imap->caps |= 1 << i; |
647 | imap->rcaps = imap->caps; | |
648 | } | |
649 | ||
9f1ad541 | 650 | static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb, |
95c53908 | 651 | char *s) |
f2561fda | 652 | { |
9f1ad541 | 653 | struct imap *imap = ctx->imap; |
f2561fda MM |
654 | char *arg, *p; |
655 | ||
618ec81a | 656 | if (!s || *s != '[') |
f2561fda MM |
657 | return RESP_OK; /* no response code */ |
658 | s++; | |
95c53908 RS |
659 | if (!(p = strchr(s, ']'))) { |
660 | fprintf(stderr, "IMAP error: malformed response code\n"); | |
f2561fda MM |
661 | return RESP_BAD; |
662 | } | |
663 | *p++ = 0; | |
95c53908 | 664 | arg = next_arg(&s); |
f54c5bd4 RS |
665 | if (!arg) { |
666 | fprintf(stderr, "IMAP error: empty response code\n"); | |
667 | return RESP_BAD; | |
668 | } | |
95c53908 | 669 | if (!strcmp("UIDVALIDITY", arg)) { |
636fd66b | 670 | if (!(arg = next_arg(&s)) || !(ctx->uidvalidity = atoi(arg))) { |
95c53908 | 671 | fprintf(stderr, "IMAP error: malformed UIDVALIDITY status\n"); |
f2561fda MM |
672 | return RESP_BAD; |
673 | } | |
95c53908 RS |
674 | } else if (!strcmp("UIDNEXT", arg)) { |
675 | if (!(arg = next_arg(&s)) || !(imap->uidnext = atoi(arg))) { | |
676 | fprintf(stderr, "IMAP error: malformed NEXTUID status\n"); | |
f2561fda MM |
677 | return RESP_BAD; |
678 | } | |
95c53908 RS |
679 | } else if (!strcmp("CAPABILITY", arg)) { |
680 | parse_capability(imap, s); | |
681 | } else if (!strcmp("ALERT", arg)) { | |
f2561fda MM |
682 | /* RFC2060 says that these messages MUST be displayed |
683 | * to the user | |
684 | */ | |
95c53908 RS |
685 | for (; isspace((unsigned char)*p); p++); |
686 | fprintf(stderr, "*** IMAP ALERT *** %s\n", p); | |
687 | } else if (cb && cb->ctx && !strcmp("APPENDUID", arg)) { | |
636fd66b | 688 | if (!(arg = next_arg(&s)) || !(ctx->uidvalidity = atoi(arg)) || |
9f1ad541 | 689 | !(arg = next_arg(&s)) || !(*(int *)cb->ctx = atoi(arg))) { |
95c53908 | 690 | fprintf(stderr, "IMAP error: malformed APPENDUID status\n"); |
f2561fda MM |
691 | return RESP_BAD; |
692 | } | |
693 | } | |
694 | return RESP_OK; | |
695 | } | |
696 | ||
9f1ad541 | 697 | static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd) |
f2561fda | 698 | { |
9f1ad541 | 699 | struct imap *imap = ctx->imap; |
e0d8e308 | 700 | struct imap_cmd *cmdp, **pcmdp; |
f54c5bd4 RS |
701 | char *cmd; |
702 | const char *arg, *arg1; | |
f2561fda MM |
703 | int n, resp, resp2, tag; |
704 | ||
705 | for (;;) { | |
95c53908 | 706 | if (buffer_gets(&imap->buf, &cmd)) |
f2561fda MM |
707 | return RESP_BAD; |
708 | ||
95c53908 | 709 | arg = next_arg(&cmd); |
f54c5bd4 RS |
710 | if (!arg) { |
711 | fprintf(stderr, "IMAP error: empty response\n"); | |
712 | return RESP_BAD; | |
713 | } | |
f2561fda | 714 | if (*arg == '*') { |
95c53908 | 715 | arg = next_arg(&cmd); |
f2561fda | 716 | if (!arg) { |
95c53908 | 717 | fprintf(stderr, "IMAP error: unable to parse untagged response\n"); |
f2561fda MM |
718 | return RESP_BAD; |
719 | } | |
720 | ||
95c53908 | 721 | if (!strcmp("NAMESPACE", arg)) { |
3648b4d9 MH |
722 | /* rfc2342 NAMESPACE response. */ |
723 | skip_list(&cmd); /* Personal mailboxes */ | |
724 | skip_list(&cmd); /* Others' mailboxes */ | |
725 | skip_list(&cmd); /* Shared mailboxes */ | |
95c53908 RS |
726 | } else if (!strcmp("OK", arg) || !strcmp("BAD", arg) || |
727 | !strcmp("NO", arg) || !strcmp("BYE", arg)) { | |
728 | if ((resp = parse_response_code(ctx, NULL, cmd)) != RESP_OK) | |
f2561fda | 729 | return resp; |
1efee7ff | 730 | } else if (!strcmp("CAPABILITY", arg)) { |
95c53908 | 731 | parse_capability(imap, cmd); |
1efee7ff MH |
732 | } else if ((arg1 = next_arg(&cmd))) { |
733 | ; /* | |
734 | * Unhandled response-data with at least two words. | |
735 | * Ignore it. | |
736 | * | |
737 | * NEEDSWORK: Previously this case handled '<num> EXISTS' | |
738 | * and '<num> RECENT' but as a probably-unintended side | |
739 | * effect it ignores other unrecognized two-word | |
740 | * responses. imap-send doesn't ever try to read | |
741 | * messages or mailboxes these days, so consider | |
742 | * eliminating this case. | |
743 | */ | |
f2561fda | 744 | } else { |
95c53908 | 745 | fprintf(stderr, "IMAP error: unable to parse untagged response\n"); |
f2561fda MM |
746 | return RESP_BAD; |
747 | } | |
748 | } else if (!imap->in_progress) { | |
95c53908 | 749 | fprintf(stderr, "IMAP error: unexpected reply: %s %s\n", arg, cmd ? cmd : ""); |
f2561fda MM |
750 | return RESP_BAD; |
751 | } else if (*arg == '+') { | |
752 | /* This can happen only with the last command underway, as | |
753 | it enforces a round-trip. */ | |
754 | cmdp = (struct imap_cmd *)((char *)imap->in_progress_append - | |
755 | offsetof(struct imap_cmd, next)); | |
756 | if (cmdp->cb.data) { | |
95c53908 | 757 | n = socket_write(&imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen); |
6a83d902 | 758 | FREE_AND_NULL(cmdp->cb.data); |
f2561fda MM |
759 | if (n != (int)cmdp->cb.dlen) |
760 | return RESP_BAD; | |
761 | } else if (cmdp->cb.cont) { | |
ec9e358a | 762 | if (cmdp->cb.cont(ctx, cmd)) |
f2561fda MM |
763 | return RESP_BAD; |
764 | } else { | |
95c53908 | 765 | fprintf(stderr, "IMAP error: unexpected command continuation request\n"); |
f2561fda MM |
766 | return RESP_BAD; |
767 | } | |
95c53908 | 768 | if (socket_write(&imap->buf.sock, "\r\n", 2) != 2) |
f2561fda MM |
769 | return RESP_BAD; |
770 | if (!cmdp->cb.cont) | |
771 | imap->literal_pending = 0; | |
772 | if (!tcmd) | |
773 | return DRV_OK; | |
774 | } else { | |
95c53908 | 775 | tag = atoi(arg); |
f2561fda MM |
776 | for (pcmdp = &imap->in_progress; (cmdp = *pcmdp); pcmdp = &cmdp->next) |
777 | if (cmdp->tag == tag) | |
778 | goto gottag; | |
95c53908 | 779 | fprintf(stderr, "IMAP error: unexpected tag %s\n", arg); |
f2561fda | 780 | return RESP_BAD; |
9f1ad541 | 781 | gottag: |
f2561fda MM |
782 | if (!(*pcmdp = cmdp->next)) |
783 | imap->in_progress_append = pcmdp; | |
784 | imap->num_in_progress--; | |
785 | if (cmdp->cb.cont || cmdp->cb.data) | |
786 | imap->literal_pending = 0; | |
95c53908 | 787 | arg = next_arg(&cmd); |
f54c5bd4 RS |
788 | if (!arg) |
789 | arg = ""; | |
95c53908 | 790 | if (!strcmp("OK", arg)) |
f2561fda MM |
791 | resp = DRV_OK; |
792 | else { | |
e0d8e308 | 793 | if (!strcmp("NO", arg)) |
f2561fda | 794 | resp = RESP_NO; |
e0d8e308 | 795 | else /*if (!strcmp("BAD", arg))*/ |
f2561fda | 796 | resp = RESP_BAD; |
95c53908 | 797 | fprintf(stderr, "IMAP command '%s' returned response (%s) - %s\n", |
ba9b9e12 | 798 | !starts_with(cmdp->cmd, "LOGIN") ? |
f2561fda MM |
799 | cmdp->cmd : "LOGIN <user> <pass>", |
800 | arg, cmd ? cmd : ""); | |
801 | } | |
95c53908 | 802 | if ((resp2 = parse_response_code(ctx, &cmdp->cb, cmd)) > resp) |
f2561fda | 803 | resp = resp2; |
95c53908 RS |
804 | free(cmdp->cb.data); |
805 | free(cmdp->cmd); | |
806 | free(cmdp); | |
f2561fda MM |
807 | if (!tcmd || tcmd == cmdp) |
808 | return resp; | |
809 | } | |
810 | } | |
811 | /* not reached */ | |
812 | } | |
813 | ||
9f1ad541 | 814 | static void imap_close_server(struct imap_store *ictx) |
f2561fda | 815 | { |
9f1ad541 | 816 | struct imap *imap = ictx->imap; |
f2561fda | 817 | |
7a7796e9 | 818 | if (imap->buf.sock.fd[0] != -1) { |
95c53908 RS |
819 | imap_exec(ictx, NULL, "LOGOUT"); |
820 | socket_shutdown(&imap->buf.sock); | |
f2561fda | 821 | } |
95c53908 | 822 | free(imap); |
f2561fda MM |
823 | } |
824 | ||
fe47e1df | 825 | static void imap_close_store(struct imap_store *ctx) |
f2561fda | 826 | { |
fe47e1df | 827 | imap_close_server(ctx); |
95c53908 | 828 | free(ctx); |
f2561fda MM |
829 | } |
830 | ||
ae9c606e HM |
831 | #ifndef NO_OPENSSL |
832 | ||
833 | /* | |
834 | * hexchar() and cram() functions are based on the code from the isync | |
65175d9e | 835 | * project (https://isync.sourceforge.io/). |
ae9c606e HM |
836 | */ |
837 | static char hexchar(unsigned int b) | |
f2561fda | 838 | { |
ae9c606e | 839 | return b < 10 ? '0' + b : 'a' + (b - 10); |
f2561fda MM |
840 | } |
841 | ||
42c78a21 | 842 | #define ENCODED_SIZE(n) (4 * DIV_ROUND_UP((n), 3)) |
ae9c606e | 843 | static char *cram(const char *challenge_64, const char *user, const char *pass) |
f2561fda | 844 | { |
ae9c606e | 845 | int i, resp_len, encoded_len, decoded_len; |
ae9c606e HM |
846 | unsigned char hash[16]; |
847 | char hex[33]; | |
848 | char *response, *response_64, *challenge; | |
849 | ||
850 | /* | |
851 | * length of challenge_64 (i.e. base-64 encoded string) is a good | |
852 | * enough upper bound for challenge (decoded result). | |
853 | */ | |
854 | encoded_len = strlen(challenge_64); | |
855 | challenge = xmalloc(encoded_len); | |
856 | decoded_len = EVP_DecodeBlock((unsigned char *)challenge, | |
857 | (unsigned char *)challenge_64, encoded_len); | |
858 | if (decoded_len < 0) | |
859 | die("invalid challenge %s", challenge_64); | |
1ed2c7b1 KY |
860 | if (!HMAC(EVP_md5(), pass, strlen(pass), (unsigned char *)challenge, decoded_len, hash, NULL)) |
861 | die("HMAC error"); | |
ae9c606e HM |
862 | |
863 | hex[32] = 0; | |
864 | for (i = 0; i < 16; i++) { | |
865 | hex[2 * i] = hexchar((hash[i] >> 4) & 0xf); | |
866 | hex[2 * i + 1] = hexchar(hash[i] & 0xf); | |
867 | } | |
868 | ||
869 | /* response: "<user> <digest in hex>" */ | |
75faa45a | 870 | response = xstrfmt("%s %s", user, hex); |
eb94ee7f | 871 | resp_len = strlen(response); |
ae9c606e | 872 | |
3733e694 | 873 | response_64 = xmallocz(ENCODED_SIZE(resp_len)); |
ae9c606e HM |
874 | encoded_len = EVP_EncodeBlock((unsigned char *)response_64, |
875 | (unsigned char *)response, resp_len); | |
876 | if (encoded_len < 0) | |
877 | die("EVP_EncodeBlock error"); | |
ae9c606e HM |
878 | return (char *)response_64; |
879 | } | |
880 | ||
881 | #else | |
882 | ||
2c3c3d88 JK |
883 | static char *cram(const char *challenge_64 UNUSED, |
884 | const char *user UNUSED, | |
885 | const char *pass UNUSED) | |
ae9c606e HM |
886 | { |
887 | die("If you want to use CRAM-MD5 authenticate method, " | |
888 | "you have to build git-imap-send with OpenSSL library."); | |
889 | } | |
890 | ||
891 | #endif | |
892 | ||
ec9e358a | 893 | static int auth_cram_md5(struct imap_store *ctx, const char *prompt) |
ae9c606e HM |
894 | { |
895 | int ret; | |
896 | char *response; | |
897 | ||
898 | response = cram(prompt, server.user, server.pass); | |
899 | ||
900 | ret = socket_write(&ctx->imap->buf.sock, response, strlen(response)); | |
901 | if (ret != strlen(response)) | |
82247e9b | 902 | return error("IMAP error: sending response failed"); |
ae9c606e HM |
903 | |
904 | free(response); | |
905 | ||
906 | return 0; | |
907 | } | |
908 | ||
690307f3 NMC |
909 | static void server_fill_credential(struct imap_server_conf *srvc, struct credential *cred) |
910 | { | |
911 | if (srvc->user && srvc->pass) | |
912 | return; | |
913 | ||
914 | cred->protocol = xstrdup(srvc->use_ssl ? "imaps" : "imap"); | |
915 | cred->host = xstrdup(srvc->host); | |
916 | ||
917 | cred->username = xstrdup_or_null(srvc->user); | |
918 | cred->password = xstrdup_or_null(srvc->pass); | |
919 | ||
ca9ccbf6 | 920 | credential_fill(cred, 1); |
690307f3 NMC |
921 | |
922 | if (!srvc->user) | |
923 | srvc->user = xstrdup(cred->username); | |
924 | if (!srvc->pass) | |
925 | srvc->pass = xstrdup(cred->password); | |
926 | } | |
927 | ||
50212361 | 928 | static struct imap_store *imap_open_store(struct imap_server_conf *srvc, const char *folder) |
f2561fda | 929 | { |
791643a8 | 930 | struct credential cred = CREDENTIAL_INIT; |
9f1ad541 JH |
931 | struct imap_store *ctx; |
932 | struct imap *imap; | |
f2561fda | 933 | char *arg, *rsp; |
c94d2dd0 | 934 | int s = -1, preauth; |
f2561fda | 935 | |
ca56dadb | 936 | CALLOC_ARRAY(ctx, 1); |
f2561fda | 937 | |
ca56dadb | 938 | ctx->imap = CALLOC_ARRAY(imap, 1); |
7a7796e9 | 939 | imap->buf.sock.fd[0] = imap->buf.sock.fd[1] = -1; |
f2561fda MM |
940 | imap->in_progress_append = &imap->in_progress; |
941 | ||
942 | /* open connection to IMAP server */ | |
943 | ||
944 | if (srvc->tunnel) { | |
d3180279 | 945 | struct child_process tunnel = CHILD_PROCESS_INIT; |
f2561fda | 946 | |
c94d2dd0 | 947 | imap_info("Starting tunnel '%s'... ", srvc->tunnel); |
f2561fda | 948 | |
ef8d7ac4 | 949 | strvec_push(&tunnel.args, srvc->tunnel); |
ac0ba18d | 950 | tunnel.use_shell = 1; |
c94d2dd0 EFL |
951 | tunnel.in = -1; |
952 | tunnel.out = -1; | |
953 | if (start_command(&tunnel)) | |
f9dc5d65 | 954 | die("cannot start proxy %s", srvc->tunnel); |
f2561fda | 955 | |
c94d2dd0 EFL |
956 | imap->buf.sock.fd[0] = tunnel.out; |
957 | imap->buf.sock.fd[1] = tunnel.in; | |
f2561fda | 958 | |
95c53908 | 959 | imap_info("ok\n"); |
f2561fda | 960 | } else { |
94ad2437 BK |
961 | #ifndef NO_IPV6 |
962 | struct addrinfo hints, *ai0, *ai; | |
963 | int gai; | |
964 | char portstr[6]; | |
965 | ||
1a168e5c | 966 | xsnprintf(portstr, sizeof(portstr), "%d", srvc->port); |
94ad2437 BK |
967 | |
968 | memset(&hints, 0, sizeof(hints)); | |
969 | hints.ai_socktype = SOCK_STREAM; | |
970 | hints.ai_protocol = IPPROTO_TCP; | |
f2561fda | 971 | |
94ad2437 BK |
972 | imap_info("Resolving %s... ", srvc->host); |
973 | gai = getaddrinfo(srvc->host, portstr, &hints, &ai); | |
974 | if (gai) { | |
975 | fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(gai)); | |
976 | goto bail; | |
f2561fda | 977 | } |
94ad2437 | 978 | imap_info("ok\n"); |
f2561fda | 979 | |
94ad2437 BK |
980 | for (ai0 = ai; ai; ai = ai->ai_next) { |
981 | char addr[NI_MAXHOST]; | |
f2561fda | 982 | |
94ad2437 BK |
983 | s = socket(ai->ai_family, ai->ai_socktype, |
984 | ai->ai_protocol); | |
985 | if (s < 0) | |
986 | continue; | |
f2561fda | 987 | |
94ad2437 BK |
988 | getnameinfo(ai->ai_addr, ai->ai_addrlen, addr, |
989 | sizeof(addr), NULL, 0, NI_NUMERICHOST); | |
990 | imap_info("Connecting to [%s]:%s... ", addr, portstr); | |
991 | ||
992 | if (connect(s, ai->ai_addr, ai->ai_addrlen) < 0) { | |
993 | close(s); | |
994 | s = -1; | |
995 | perror("connect"); | |
996 | continue; | |
997 | } | |
998 | ||
999 | break; | |
1000 | } | |
1001 | freeaddrinfo(ai0); | |
1002 | #else /* NO_IPV6 */ | |
1003 | struct hostent *he; | |
1004 | struct sockaddr_in addr; | |
1005 | ||
95c53908 RS |
1006 | memset(&addr, 0, sizeof(addr)); |
1007 | addr.sin_port = htons(srvc->port); | |
f2561fda MM |
1008 | addr.sin_family = AF_INET; |
1009 | ||
95c53908 RS |
1010 | imap_info("Resolving %s... ", srvc->host); |
1011 | he = gethostbyname(srvc->host); | |
f2561fda | 1012 | if (!he) { |
95c53908 | 1013 | perror("gethostbyname"); |
f2561fda MM |
1014 | goto bail; |
1015 | } | |
95c53908 | 1016 | imap_info("ok\n"); |
f2561fda MM |
1017 | |
1018 | addr.sin_addr.s_addr = *((int *) he->h_addr_list[0]); | |
1019 | ||
95c53908 | 1020 | s = socket(PF_INET, SOCK_STREAM, 0); |
f2561fda | 1021 | |
95c53908 RS |
1022 | imap_info("Connecting to %s:%hu... ", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port)); |
1023 | if (connect(s, (struct sockaddr *)&addr, sizeof(addr))) { | |
1024 | close(s); | |
94ad2437 | 1025 | s = -1; |
95c53908 | 1026 | perror("connect"); |
94ad2437 BK |
1027 | } |
1028 | #endif | |
1029 | if (s < 0) { | |
1030 | fputs("Error: unable to connect to server.\n", stderr); | |
f2561fda MM |
1031 | goto bail; |
1032 | } | |
f2561fda | 1033 | |
7a7796e9 EFL |
1034 | imap->buf.sock.fd[0] = s; |
1035 | imap->buf.sock.fd[1] = dup(s); | |
f2561fda | 1036 | |
684ec6c6 RS |
1037 | if (srvc->use_ssl && |
1038 | ssl_socket_connect(&imap->buf.sock, 0, srvc->ssl_verify)) { | |
1039 | close(s); | |
1040 | goto bail; | |
1041 | } | |
95c53908 | 1042 | imap_info("ok\n"); |
f2561fda MM |
1043 | } |
1044 | ||
1045 | /* read the greeting string */ | |
95c53908 RS |
1046 | if (buffer_gets(&imap->buf, &rsp)) { |
1047 | fprintf(stderr, "IMAP error: no greeting response\n"); | |
f2561fda MM |
1048 | goto bail; |
1049 | } | |
95c53908 RS |
1050 | arg = next_arg(&rsp); |
1051 | if (!arg || *arg != '*' || (arg = next_arg(&rsp)) == NULL) { | |
1052 | fprintf(stderr, "IMAP error: invalid greeting response\n"); | |
f2561fda MM |
1053 | goto bail; |
1054 | } | |
1055 | preauth = 0; | |
95c53908 | 1056 | if (!strcmp("PREAUTH", arg)) |
f2561fda | 1057 | preauth = 1; |
95c53908 RS |
1058 | else if (strcmp("OK", arg) != 0) { |
1059 | fprintf(stderr, "IMAP error: unknown greeting response\n"); | |
f2561fda MM |
1060 | goto bail; |
1061 | } | |
95c53908 RS |
1062 | parse_response_code(ctx, NULL, rsp); |
1063 | if (!imap->caps && imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK) | |
f2561fda MM |
1064 | goto bail; |
1065 | ||
1066 | if (!preauth) { | |
684ec6c6 RS |
1067 | #ifndef NO_OPENSSL |
1068 | if (!srvc->use_ssl && CAP(STARTTLS)) { | |
d27da38a | 1069 | if (imap_exec(ctx, NULL, "STARTTLS") != RESP_OK) |
684ec6c6 RS |
1070 | goto bail; |
1071 | if (ssl_socket_connect(&imap->buf.sock, 1, | |
1072 | srvc->ssl_verify)) | |
1073 | goto bail; | |
1074 | /* capabilities may have changed, so get the new capabilities */ | |
d27da38a | 1075 | if (imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK) |
684ec6c6 RS |
1076 | goto bail; |
1077 | } | |
1078 | #endif | |
95c53908 | 1079 | imap_info("Logging in...\n"); |
690307f3 | 1080 | server_fill_credential(srvc, &cred); |
791643a8 | 1081 | |
ae9c606e HM |
1082 | if (srvc->auth_method) { |
1083 | struct imap_cmd_cb cb; | |
1084 | ||
1085 | if (!strcmp(srvc->auth_method, "CRAM-MD5")) { | |
1086 | if (!CAP(AUTH_CRAM_MD5)) { | |
6d1fbf88 | 1087 | fprintf(stderr, "You specified " |
ae9c606e HM |
1088 | "CRAM-MD5 as authentication method, " |
1089 | "but %s doesn't support it.\n", srvc->host); | |
1090 | goto bail; | |
1091 | } | |
1092 | /* CRAM-MD5 */ | |
1093 | ||
1094 | memset(&cb, 0, sizeof(cb)); | |
1095 | cb.cont = auth_cram_md5; | |
1096 | if (imap_exec(ctx, &cb, "AUTHENTICATE CRAM-MD5") != RESP_OK) { | |
1097 | fprintf(stderr, "IMAP error: AUTHENTICATE CRAM-MD5 failed\n"); | |
1098 | goto bail; | |
1099 | } | |
1100 | } else { | |
1101 | fprintf(stderr, "Unknown authentication method:%s\n", srvc->host); | |
1102 | goto bail; | |
1103 | } | |
1104 | } else { | |
6c50a575 KY |
1105 | if (CAP(NOLOGIN)) { |
1106 | fprintf(stderr, "Skipping account %s@%s, server forbids LOGIN\n", | |
1107 | srvc->user, srvc->host); | |
1108 | goto bail; | |
1109 | } | |
10439d89 CW |
1110 | if (!imap->buf.sock.ssl) |
1111 | imap_warn("*** IMAP Warning *** Password is being " | |
1112 | "sent in the clear\n"); | |
ae9c606e HM |
1113 | if (imap_exec(ctx, NULL, "LOGIN \"%s\" \"%s\"", srvc->user, srvc->pass) != RESP_OK) { |
1114 | fprintf(stderr, "IMAP error: LOGIN failed\n"); | |
1115 | goto bail; | |
1116 | } | |
f2561fda MM |
1117 | } |
1118 | } /* !preauth */ | |
1119 | ||
791643a8 DA |
1120 | if (cred.username) |
1121 | credential_approve(&cred); | |
1122 | credential_clear(&cred); | |
1123 | ||
e0d8e308 TF |
1124 | /* check the target mailbox exists */ |
1125 | ctx->name = folder; | |
1126 | switch (imap_exec(ctx, NULL, "EXAMINE \"%s\"", ctx->name)) { | |
1127 | case RESP_OK: | |
1128 | /* ok */ | |
1129 | break; | |
1130 | case RESP_BAD: | |
1131 | fprintf(stderr, "IMAP error: could not check mailbox\n"); | |
1132 | goto out; | |
1133 | case RESP_NO: | |
1134 | if (imap_exec(ctx, NULL, "CREATE \"%s\"", ctx->name) == RESP_OK) { | |
1135 | imap_info("Created missing mailbox\n"); | |
1136 | } else { | |
1137 | fprintf(stderr, "IMAP error: could not create missing mailbox\n"); | |
1138 | goto out; | |
1139 | } | |
1140 | break; | |
1141 | } | |
1142 | ||
f2561fda | 1143 | ctx->prefix = ""; |
fe47e1df | 1144 | return ctx; |
f2561fda | 1145 | |
9f1ad541 | 1146 | bail: |
791643a8 DA |
1147 | if (cred.username) |
1148 | credential_reject(&cred); | |
1149 | credential_clear(&cred); | |
1150 | ||
e0d8e308 | 1151 | out: |
fe47e1df | 1152 | imap_close_store(ctx); |
5142db69 | 1153 | return NULL; |
f2561fda MM |
1154 | } |
1155 | ||
3691031c MH |
1156 | /* |
1157 | * Insert CR characters as necessary in *msg to ensure that every LF | |
1158 | * character in *msg is preceded by a CR. | |
1159 | */ | |
f035ab62 | 1160 | static void lf_to_crlf(struct strbuf *msg) |
f2561fda | 1161 | { |
59256315 | 1162 | char *new_msg; |
3691031c MH |
1163 | size_t i, j; |
1164 | char lastc; | |
1165 | ||
59256315 | 1166 | /* First pass: tally, in j, the size of the new_msg string: */ |
3691031c MH |
1167 | for (i = j = 0, lastc = '\0'; i < msg->len; i++) { |
1168 | if (msg->buf[i] == '\n' && lastc != '\r') | |
1169 | j++; /* a CR will need to be added here */ | |
1170 | lastc = msg->buf[i]; | |
1171 | j++; | |
f2561fda | 1172 | } |
67d17630 | 1173 | |
59256315 | 1174 | new_msg = xmallocz(j); |
3691031c MH |
1175 | |
1176 | /* | |
59256315 | 1177 | * Second pass: write the new_msg string. Note that this loop is |
3691031c MH |
1178 | * otherwise identical to the first pass. |
1179 | */ | |
1180 | for (i = j = 0, lastc = '\0'; i < msg->len; i++) { | |
1181 | if (msg->buf[i] == '\n' && lastc != '\r') | |
59256315 BW |
1182 | new_msg[j++] = '\r'; |
1183 | lastc = new_msg[j++] = msg->buf[i]; | |
f2561fda | 1184 | } |
59256315 | 1185 | strbuf_attach(msg, new_msg, j, j + 1); |
67d17630 | 1186 | } |
f2561fda | 1187 | |
f035ab62 MH |
1188 | /* |
1189 | * Store msg to IMAP. Also detach and free the data from msg->data, | |
1190 | * leaving msg->data empty. | |
1191 | */ | |
fe47e1df | 1192 | static int imap_store_msg(struct imap_store *ctx, struct strbuf *msg) |
f2561fda | 1193 | { |
9f1ad541 | 1194 | struct imap *imap = ctx->imap; |
f2561fda | 1195 | struct imap_cmd_cb cb; |
f2561fda | 1196 | const char *prefix, *box; |
719125c5 | 1197 | int ret; |
f2561fda | 1198 | |
cbc60761 | 1199 | lf_to_crlf(msg); |
95c53908 | 1200 | memset(&cb, 0, sizeof(cb)); |
f2561fda | 1201 | |
cbc60761 MH |
1202 | cb.dlen = msg->len; |
1203 | cb.data = strbuf_detach(msg, NULL); | |
f2561fda | 1204 | |
636fd66b | 1205 | box = ctx->name; |
3a7cba95 | 1206 | prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix; |
719125c5 | 1207 | ret = imap_exec_m(ctx, &cb, "APPEND \"%s%s\" ", prefix, box); |
f2561fda MM |
1208 | imap->caps = imap->rcaps; |
1209 | if (ret != DRV_OK) | |
1210 | return ret; | |
f2561fda MM |
1211 | |
1212 | return DRV_OK; | |
1213 | } | |
1214 | ||
f035ab62 | 1215 | static void wrap_in_html(struct strbuf *msg) |
c64d84f1 JW |
1216 | { |
1217 | struct strbuf buf = STRBUF_INIT; | |
c64d84f1 JW |
1218 | static char *content_type = "Content-Type: text/html;\n"; |
1219 | static char *pre_open = "<pre>\n"; | |
1220 | static char *pre_close = "</pre>\n"; | |
118a68f9 MH |
1221 | const char *body = strstr(msg->buf, "\n\n"); |
1222 | ||
1223 | if (!body) | |
1224 | return; /* Headers but no body; no wrapping needed */ | |
1225 | ||
1226 | body += 2; | |
1227 | ||
1228 | strbuf_add(&buf, msg->buf, body - msg->buf - 1); | |
1229 | strbuf_addstr(&buf, content_type); | |
1230 | strbuf_addch(&buf, '\n'); | |
1231 | strbuf_addstr(&buf, pre_open); | |
1232 | strbuf_addstr_xml_quoted(&buf, body); | |
c64d84f1 | 1233 | strbuf_addstr(&buf, pre_close); |
118a68f9 | 1234 | |
f035ab62 MH |
1235 | strbuf_release(msg); |
1236 | *msg = buf; | |
c64d84f1 JW |
1237 | } |
1238 | ||
3a34e626 | 1239 | static int count_messages(struct strbuf *all_msgs) |
f2561fda MM |
1240 | { |
1241 | int count = 0; | |
3a34e626 | 1242 | char *p = all_msgs->buf; |
f2561fda MM |
1243 | |
1244 | while (1) { | |
59556548 | 1245 | if (starts_with(p, "From ")) { |
4916c8f9 RR |
1246 | p = strstr(p+5, "\nFrom: "); |
1247 | if (!p) break; | |
1248 | p = strstr(p+7, "\nDate: "); | |
1249 | if (!p) break; | |
1250 | p = strstr(p+7, "\nSubject: "); | |
1251 | if (!p) break; | |
1252 | p += 10; | |
f2561fda | 1253 | count++; |
f2561fda | 1254 | } |
95c53908 | 1255 | p = strstr(p+5, "\nFrom "); |
f2561fda MM |
1256 | if (!p) |
1257 | break; | |
1258 | p++; | |
1259 | } | |
1260 | return count; | |
1261 | } | |
1262 | ||
f035ab62 MH |
1263 | /* |
1264 | * Copy the next message from all_msgs, starting at offset *ofs, to | |
1265 | * msg. Update *ofs to the start of the following message. Return | |
1266 | * true iff a message was successfully copied. | |
1267 | */ | |
1268 | static int split_msg(struct strbuf *all_msgs, struct strbuf *msg, int *ofs) | |
f2561fda MM |
1269 | { |
1270 | char *p, *data; | |
f035ab62 | 1271 | size_t len; |
f2561fda | 1272 | |
f2561fda MM |
1273 | if (*ofs >= all_msgs->len) |
1274 | return 0; | |
1275 | ||
3a34e626 | 1276 | data = &all_msgs->buf[*ofs]; |
f035ab62 | 1277 | len = all_msgs->len - *ofs; |
f2561fda | 1278 | |
59556548 | 1279 | if (len < 5 || !starts_with(data, "From ")) |
f2561fda MM |
1280 | return 0; |
1281 | ||
95c53908 | 1282 | p = strchr(data, '\n'); |
e0b08307 | 1283 | if (p) { |
f035ab62 MH |
1284 | p++; |
1285 | len -= p - data; | |
1286 | *ofs += p - data; | |
e0b08307 MA |
1287 | data = p; |
1288 | } | |
1289 | ||
95c53908 | 1290 | p = strstr(data, "\nFrom "); |
f2561fda | 1291 | if (p) |
f035ab62 | 1292 | len = &p[1] - data; |
f2561fda | 1293 | |
f035ab62 MH |
1294 | strbuf_add(msg, data, len); |
1295 | *ofs += len; | |
a6080a0a | 1296 | return 1; |
f2561fda MM |
1297 | } |
1298 | ||
a4e7e317 GC |
1299 | static int git_imap_config(const char *var, const char *val, |
1300 | const struct config_context *ctx, void *cb) | |
f2561fda | 1301 | { |
ef7e1d0c | 1302 | |
50212361 NMC |
1303 | if (!strcmp("imap.sslverify", var)) |
1304 | server.ssl_verify = git_config_bool(var, val); | |
1305 | else if (!strcmp("imap.preformattedhtml", var)) | |
1306 | server.use_html = git_config_bool(var, val); | |
1307 | else if (!strcmp("imap.folder", var)) | |
1308 | return git_config_string(&server.folder, var, val); | |
1309 | else if (!strcmp("imap.user", var)) | |
1310 | return git_config_string(&server.user, var, val); | |
1311 | else if (!strcmp("imap.pass", var)) | |
1312 | return git_config_string(&server.pass, var, val); | |
1313 | else if (!strcmp("imap.tunnel", var)) | |
1314 | return git_config_string(&server.tunnel, var, val); | |
1315 | else if (!strcmp("imap.authmethod", var)) | |
1316 | return git_config_string(&server.auth_method, var, val); | |
1317 | else if (!strcmp("imap.port", var)) | |
8868b1eb | 1318 | server.port = git_config_int(var, val, ctx->kvi); |
50212361 | 1319 | else if (!strcmp("imap.host", var)) { |
ef7e1d0c | 1320 | if (!val) { |
92cecce0 | 1321 | return config_error_nonbool(var); |
ef7e1d0c TA |
1322 | } else { |
1323 | if (starts_with(val, "imap:")) | |
1324 | val += 5; | |
1325 | else if (starts_with(val, "imaps:")) { | |
1326 | val += 6; | |
1327 | server.use_ssl = 1; | |
1328 | } | |
1329 | if (starts_with(val, "//")) | |
1330 | val += 2; | |
1331 | server.host = xstrdup(val); | |
f2561fda | 1332 | } |
50212361 | 1333 | } else |
a4e7e317 | 1334 | return git_default_config(var, val, ctx, cb); |
ae9c606e | 1335 | |
50212361 | 1336 | return 0; |
f2561fda MM |
1337 | } |
1338 | ||
1e16b255 BR |
1339 | static int append_msgs_to_imap(struct imap_server_conf *server, |
1340 | struct strbuf* all_msgs, int total) | |
f2561fda | 1341 | { |
cbc60761 | 1342 | struct strbuf msg = STRBUF_INIT; |
fe47e1df | 1343 | struct imap_store *ctx = NULL; |
f2561fda MM |
1344 | int ofs = 0; |
1345 | int r; | |
1e16b255 BR |
1346 | int n = 0; |
1347 | ||
1348 | ctx = imap_open_store(server, server->folder); | |
1349 | if (!ctx) { | |
1350 | fprintf(stderr, "failed to open store\n"); | |
1351 | return 1; | |
1352 | } | |
1353 | ctx->name = server->folder; | |
1354 | ||
1355 | fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : ""); | |
1356 | while (1) { | |
1357 | unsigned percent = n * 100 / total; | |
1358 | ||
1359 | fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total); | |
1360 | ||
1361 | if (!split_msg(all_msgs, &msg, &ofs)) | |
1362 | break; | |
1363 | if (server->use_html) | |
1364 | wrap_in_html(&msg); | |
1365 | r = imap_store_msg(ctx, &msg); | |
1366 | if (r != DRV_OK) | |
1367 | break; | |
1368 | n++; | |
1369 | } | |
1370 | fprintf(stderr, "\n"); | |
1371 | ||
1372 | imap_close_store(ctx); | |
1373 | ||
1374 | return 0; | |
1375 | } | |
1376 | ||
1377 | #ifdef USE_CURL_FOR_IMAP_SEND | |
19079b3e | 1378 | static CURL *setup_curl(struct imap_server_conf *srvc, struct credential *cred) |
1e16b255 BR |
1379 | { |
1380 | CURL *curl; | |
1381 | struct strbuf path = STRBUF_INIT; | |
77eac3f8 | 1382 | char *uri_encoded_folder; |
1e16b255 BR |
1383 | |
1384 | if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) | |
1385 | die("curl_global_init failed"); | |
1386 | ||
1387 | curl = curl_easy_init(); | |
1388 | ||
1389 | if (!curl) | |
1390 | die("curl_easy_init failed"); | |
1391 | ||
84d689a8 JK |
1392 | server_fill_credential(srvc, cred); |
1393 | curl_easy_setopt(curl, CURLOPT_USERNAME, srvc->user); | |
1394 | curl_easy_setopt(curl, CURLOPT_PASSWORD, srvc->pass); | |
1e16b255 | 1395 | |
84d689a8 JK |
1396 | strbuf_addstr(&path, srvc->use_ssl ? "imaps://" : "imap://"); |
1397 | strbuf_addstr(&path, srvc->host); | |
1e16b255 BR |
1398 | if (!path.len || path.buf[path.len - 1] != '/') |
1399 | strbuf_addch(&path, '/'); | |
77eac3f8 | 1400 | |
84d689a8 | 1401 | uri_encoded_folder = curl_easy_escape(curl, srvc->folder, 0); |
77eac3f8 NMC |
1402 | if (!uri_encoded_folder) |
1403 | die("failed to encode server folder"); | |
1404 | strbuf_addstr(&path, uri_encoded_folder); | |
1405 | curl_free(uri_encoded_folder); | |
1e16b255 BR |
1406 | |
1407 | curl_easy_setopt(curl, CURLOPT_URL, path.buf); | |
1408 | strbuf_release(&path); | |
84d689a8 | 1409 | curl_easy_setopt(curl, CURLOPT_PORT, srvc->port); |
1e16b255 | 1410 | |
84d689a8 | 1411 | if (srvc->auth_method) { |
e4ff3b67 | 1412 | #ifndef GIT_CURL_HAVE_CURLOPT_LOGIN_OPTIONS |
71d92575 JS |
1413 | warning("No LOGIN_OPTIONS support in this cURL version"); |
1414 | #else | |
1e16b255 BR |
1415 | struct strbuf auth = STRBUF_INIT; |
1416 | strbuf_addstr(&auth, "AUTH="); | |
84d689a8 | 1417 | strbuf_addstr(&auth, srvc->auth_method); |
1e16b255 BR |
1418 | curl_easy_setopt(curl, CURLOPT_LOGIN_OPTIONS, auth.buf); |
1419 | strbuf_release(&auth); | |
71d92575 | 1420 | #endif |
1e16b255 BR |
1421 | } |
1422 | ||
84d689a8 | 1423 | if (!srvc->use_ssl) |
230c09c0 | 1424 | curl_easy_setopt(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_TRY); |
1e16b255 | 1425 | |
84d689a8 JK |
1426 | curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, srvc->ssl_verify); |
1427 | curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, srvc->ssl_verify); | |
1e16b255 BR |
1428 | |
1429 | curl_easy_setopt(curl, CURLOPT_READFUNCTION, fread_buffer); | |
1430 | ||
1431 | curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L); | |
1432 | ||
d47e55da | 1433 | if (0 < verbosity || getenv("GIT_CURL_VERBOSE")) |
7167a62b | 1434 | http_trace_curl_no_data(); |
73e57aaf | 1435 | setup_curl_trace(curl); |
1e16b255 BR |
1436 | |
1437 | return curl; | |
1438 | } | |
1439 | ||
1440 | static int curl_append_msgs_to_imap(struct imap_server_conf *server, | |
3b335762 NTND |
1441 | struct strbuf* all_msgs, int total) |
1442 | { | |
1e16b255 BR |
1443 | int ofs = 0; |
1444 | int n = 0; | |
1445 | struct buffer msgbuf = { STRBUF_INIT, 0 }; | |
1446 | CURL *curl; | |
1447 | CURLcode res = CURLE_OK; | |
19079b3e | 1448 | struct credential cred = CREDENTIAL_INIT; |
1e16b255 | 1449 | |
19079b3e | 1450 | curl = setup_curl(server, &cred); |
1e16b255 BR |
1451 | curl_easy_setopt(curl, CURLOPT_READDATA, &msgbuf); |
1452 | ||
1453 | fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : ""); | |
1454 | while (1) { | |
1455 | unsigned percent = n * 100 / total; | |
1456 | int prev_len; | |
1457 | ||
1458 | fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total); | |
1459 | ||
1460 | prev_len = msgbuf.buf.len; | |
1461 | if (!split_msg(all_msgs, &msgbuf.buf, &ofs)) | |
1462 | break; | |
1463 | if (server->use_html) | |
1464 | wrap_in_html(&msgbuf.buf); | |
1465 | lf_to_crlf(&msgbuf.buf); | |
1466 | ||
1467 | curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, | |
1468 | (curl_off_t)(msgbuf.buf.len-prev_len)); | |
1469 | ||
1470 | res = curl_easy_perform(curl); | |
1471 | ||
1472 | if(res != CURLE_OK) { | |
1473 | fprintf(stderr, "curl_easy_perform() failed: %s\n", | |
1474 | curl_easy_strerror(res)); | |
1475 | break; | |
1476 | } | |
1477 | ||
1478 | n++; | |
1479 | } | |
1480 | fprintf(stderr, "\n"); | |
1481 | ||
1482 | curl_easy_cleanup(curl); | |
1483 | curl_global_cleanup(); | |
1484 | ||
19079b3e NMC |
1485 | if (cred.username) { |
1486 | if (res == CURLE_OK) | |
1487 | credential_approve(&cred); | |
19079b3e | 1488 | else if (res == CURLE_LOGIN_DENIED) |
19079b3e NMC |
1489 | credential_reject(&cred); |
1490 | } | |
1491 | ||
1492 | credential_clear(&cred); | |
1493 | ||
200bc38b | 1494 | return res != CURLE_OK; |
1e16b255 BR |
1495 | } |
1496 | #endif | |
1497 | ||
3f2e2297 | 1498 | int cmd_main(int argc, const char **argv) |
1e16b255 BR |
1499 | { |
1500 | struct strbuf all_msgs = STRBUF_INIT; | |
1501 | int total; | |
a0406b94 | 1502 | int nongit_ok; |
f2561fda | 1503 | |
a0406b94 | 1504 | setup_git_directory_gently(&nongit_ok); |
50212361 | 1505 | git_config(git_imap_config, NULL); |
f2561fda | 1506 | |
f1a35295 BR |
1507 | argc = parse_options(argc, (const char **)argv, "", imap_send_options, imap_send_usage, 0); |
1508 | ||
1509 | if (argc) | |
1510 | usage_with_options(imap_send_usage, imap_send_options); | |
1511 | ||
1e16b255 BR |
1512 | #ifndef USE_CURL_FOR_IMAP_SEND |
1513 | if (use_curl) { | |
dcd01ea1 | 1514 | warning("--curl not supported in this build"); |
1e16b255 BR |
1515 | use_curl = 0; |
1516 | } | |
dcd01ea1 KM |
1517 | #elif defined(NO_OPENSSL) |
1518 | if (!use_curl) { | |
1519 | warning("--no-curl not supported in this build"); | |
1520 | use_curl = 1; | |
1521 | } | |
1e16b255 BR |
1522 | #endif |
1523 | ||
684ec6c6 RS |
1524 | if (!server.port) |
1525 | server.port = server.use_ssl ? 993 : 143; | |
f2561fda | 1526 | |
39180571 | 1527 | if (!server.folder) { |
95c53908 | 1528 | fprintf(stderr, "no imap store specified\n"); |
f2561fda MM |
1529 | return 1; |
1530 | } | |
5b67b8e2 | 1531 | if (!server.host) { |
34b5cd1f | 1532 | if (!server.tunnel) { |
95c53908 | 1533 | fprintf(stderr, "no imap host specified\n"); |
34b5cd1f JK |
1534 | return 1; |
1535 | } | |
1536 | server.host = "tunnel"; | |
5b67b8e2 | 1537 | } |
f2561fda MM |
1538 | |
1539 | /* read the messages */ | |
351bca2d ÆAB |
1540 | if (strbuf_read(&all_msgs, 0, 0) < 0) { |
1541 | error_errno(_("could not read from stdin")); | |
6360bee4 MH |
1542 | return 1; |
1543 | } | |
1544 | ||
1545 | if (all_msgs.len == 0) { | |
9f1ad541 | 1546 | fprintf(stderr, "nothing to send\n"); |
f2561fda MM |
1547 | return 1; |
1548 | } | |
1549 | ||
95c53908 | 1550 | total = count_messages(&all_msgs); |
1cd88cc9 | 1551 | if (!total) { |
9f1ad541 | 1552 | fprintf(stderr, "no messages to send\n"); |
f2561fda MM |
1553 | return 1; |
1554 | } | |
1555 | ||
1556 | /* write it to the imap server */ | |
f035ab62 | 1557 | |
1e16b255 BR |
1558 | if (server.tunnel) |
1559 | return append_msgs_to_imap(&server, &all_msgs, total); | |
f2561fda | 1560 | |
1e16b255 BR |
1561 | #ifdef USE_CURL_FOR_IMAP_SEND |
1562 | if (use_curl) | |
1563 | return curl_append_msgs_to_imap(&server, &all_msgs, total); | |
1564 | #endif | |
f2561fda | 1565 | |
1e16b255 | 1566 | return append_msgs_to_imap(&server, &all_msgs, total); |
f2561fda | 1567 | } |