🌐 AI搜索 & 代理 主页
Google Git
Sign in
chromium / external / github.com / git / git / refs/tags/v2.4.0 / . / imap-send.c
blob: 37ac4aa86a740ecc8430afff3b9d3c7a0c753a34 [file] [log] [blame]
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1/*
2 * git-imap-send - drops patches into an imap Drafts folder
3 * derived from isync/mbsync - mailbox synchronizer
4 *
5 * Copyright (C) 2000-2002 Michael R. Elkins <me@mutt.org>
6 * Copyright (C) 2002-2004 Oswald Buddenhagen <ossi@users.sf.net>
7 * Copyright (C) 2004 Theodore Y. Ts'o <tytso@mit.edu>
8 * Copyright (C) 2006 Mike McCormack
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 */
24
25#include "cache.h"
Dan Albert791643a2014-04-29 03:00:04[diff] [blame]26#include "credential.h"
Steffen Prohaska2fb3f6d2009-01-18 12:00:12[diff] [blame]27#include "exec_cmd.h"
Erik Faye-Lundc94d2dd2009-10-19 15:42:04[diff] [blame]28#include "run-command.h"
Bernhard Reiterf1a35292014-11-05 14:29:21[diff] [blame]29#include "parse-options.h"
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]30#ifdef NO_OPENSSL
31typedef void *SSL;
32#endif
Bernhard Reiter1e16b252014-11-09 14:55:53[diff] [blame]33#ifdef USE_CURL_FOR_IMAP_SEND
34#include "http.h"
35#endif
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]36
Kyle J. McKaydcd01ea2015-03-08 05:13:55[diff] [blame]37#if defined(USE_CURL_FOR_IMAP_SEND) && defined(NO_OPENSSL)
38/* only available option */
39#define USE_CURL_DEFAULT 1
40#else
41/* strictly opt in */
42#define USE_CURL_DEFAULT 0
43#endif
44
Bernhard Reiterf1a35292014-11-05 14:29:21[diff] [blame]45static int verbosity;
Kyle J. McKaydcd01ea2015-03-08 05:13:55[diff] [blame]46static int use_curl = USE_CURL_DEFAULT;
Bernhard Reiterf1a35292014-11-05 14:29:21[diff] [blame]47
Bernhard Reiter1e16b252014-11-09 14:55:53[diff] [blame]48static const char * const imap_send_usage[] = { "git imap-send [-v] [-q] [--[no-]curl] < <mbox>", NULL };
Bernhard Reiterf1a35292014-11-05 14:29:21[diff] [blame]49
50static struct option imap_send_options[] = {
51 OPT__VERBOSITY(&verbosity),
Bernhard Reiter1e16b252014-11-09 14:55:53[diff] [blame]52 OPT_BOOL(0, "curl", &use_curl, "use libcurl to communicate with the IMAP server"),
Bernhard Reiterf1a35292014-11-05 14:29:21[diff] [blame]53 OPT_END()
54};
Jonathan Nieder9a2861e2009-11-09 15:04:51[diff] [blame]55
Erik Faye-Lundd23b1ec2009-10-19 15:42:05[diff] [blame]56#undef DRV_OK
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]57#define DRV_OK 0
58#define DRV_MSG_BAD -1
59#define DRV_BOX_BAD -2
60#define DRV_STORE_BAD -3
61
Tarmigan Casebolt28bea9e2009-11-14 21:33:13[diff] [blame]62__attribute__((format (printf, 1, 2)))
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]63static void imap_info(const char *, ...);
Tarmigan Casebolt28bea9e2009-11-14 21:33:13[diff] [blame]64__attribute__((format (printf, 1, 2)))
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]65static void imap_warn(const char *, ...);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]66
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]67static char *next_arg(char **);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]68
Tarmigan Casebolt28bea9e2009-11-14 21:33:13[diff] [blame]69__attribute__((format (printf, 3, 4)))
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]70static int nfsnprintf(char *buf, int blen, const char *fmt, ...);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]71
Pierre Habouzit19247e52007-09-20 08:43:11[diff] [blame]72static int nfvasprintf(char **strp, const char *fmt, va_list ap)
73{
74 int len;
75 char tmp[8192];
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]76
Pierre Habouzit19247e52007-09-20 08:43:11[diff] [blame]77 len = vsnprintf(tmp, sizeof(tmp), fmt, ap);
78 if (len < 0)
Alexander Potashevd7530702009-01-04 18:38:41[diff] [blame]79 die("Fatal: Out of memory");
Pierre Habouzit19247e52007-09-20 08:43:11[diff] [blame]80 if (len >= sizeof(tmp))
Alexander Potashevd7530702009-01-04 18:38:41[diff] [blame]81 die("imap command overflow!");
Pierre Habouzit19247e52007-09-20 08:43:11[diff] [blame]82 *strp = xmemdupz(tmp, len);
83 return len;
84}
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]85
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]86struct imap_server_conf {
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]87 char *name;
88 char *tunnel;
89 char *host;
90 int port;
Bernhard Reiter39180572014-08-19 21:27:11[diff] [blame]91 char *folder;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]92 char *user;
93 char *pass;
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]94 int use_ssl;
95 int ssl_verify;
Jeremy Whitec64d84f2009-02-12 14:58:12[diff] [blame]96 int use_html;
Hitoshi Mitakeae9c6062010-02-16 06:34:07[diff] [blame]97 char *auth_method;
98};
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]99
Hitoshi Mitakeae9c6062010-02-16 06:34:07[diff] [blame]100static struct imap_server_conf server = {
101 NULL, /* name */
102 NULL, /* tunnel */
103 NULL, /* host */
104 0, /* port */
Bernhard Reiter39180572014-08-19 21:27:11[diff] [blame]105 NULL, /* folder */
Hitoshi Mitakeae9c6062010-02-16 06:34:07[diff] [blame]106 NULL, /* user */
107 NULL, /* pass */
108 0, /* use_ssl */
109 1, /* ssl_verify */
110 0, /* use_html */
111 NULL, /* auth_method */
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]112};
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]113
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]114struct imap_socket {
Erik Faye-Lund7a7796e2009-10-19 15:42:03[diff] [blame]115 int fd[2];
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]116 SSL *ssl;
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]117};
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]118
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]119struct imap_buffer {
120 struct imap_socket sock;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]121 int bytes;
122 int offset;
123 char buf[1024];
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]124};
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]125
126struct imap_cmd;
127
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]128struct imap {
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]129 int uidnext; /* from SELECT responses */
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]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;
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]134 struct imap_buffer buf; /* this is BIG, so put it last */
135};
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]136
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]137struct imap_store {
Michael Haggerty636fd662013-01-15 08:06:31[diff] [blame]138 /* currently open mailbox */
139 const char *name; /* foreign! maybe preset? */
140 int uidvalidity;
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]141 struct imap *imap;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]142 const char *prefix;
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]143};
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]144
145struct imap_cmd_cb {
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]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);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]148 void *ctx;
149 char *data;
150 int dlen;
151 int uid;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]152};
153
154struct 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
163enum CAPABILITY {
164 NOLOGIN = 0,
165 UIDPLUS,
166 LITERALPLUS,
167 NAMESPACE,
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]168 STARTTLS,
Gary V. Vaughan4b055482010-05-14 09:31:35[diff] [blame]169 AUTH_CRAM_MD5
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]170};
171
172static const char *cap_list[] = {
173 "LOGINDISABLED",
174 "UIDPLUS",
175 "LITERAL+",
176 "NAMESPACE",
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]177 "STARTTLS",
Hitoshi Mitakeae9c6062010-02-16 06:34:07[diff] [blame]178 "AUTH=CRAM-MD5",
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]179};
180
181#define RESP_OK 0
182#define RESP_NO 1
183#define RESP_BAD 2
184
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]185static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]186
187
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]188#ifndef NO_OPENSSL
189static void ssl_socket_perror(const char *func)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]190{
Linus Torvalds2af202b2009-06-18 17:28:43[diff] [blame]191 fprintf(stderr, "%s: %s\n", func, ERR_error_string(ERR_get_error(), NULL));
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]192}
193#endif
194
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]195static void socket_perror(const char *func, struct imap_socket *sock, int ret)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]196{
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]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
Junio C Hamano1e1fe522013-02-15 20:32:19[diff] [blame]220#ifdef NO_OPENSSL
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]221static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int verify)
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]222{
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]223 fprintf(stderr, "SSL requested but SSL support not compiled in\n");
224 return -1;
Junio C Hamano1e1fe522013-02-15 20:32:19[diff] [blame]225}
226
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]227#else
Junio C Hamano1e1fe522013-02-15 20:32:19[diff] [blame]228
Oswald Buddenhagenb62fb072013-02-15 20:50:35[diff] [blame]229static 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
241static int verify_hostname(X509 *cert, const char *hostname)
242{
243 int len;
244 X509_NAME *subj;
245 char cname[1000];
Oswald Buddenhagene1747442013-02-15 20:59:53[diff] [blame]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;
Oswald Buddenhagenb62fb072013-02-15 20:50:35[diff] [blame]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
Junio C Hamano1e1fe522013-02-15 20:32:19[diff] [blame]276static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int verify)
277{
Vietor Liu1e380dd2009-10-31 06:36:03[diff] [blame]278#if (OPENSSL_VERSION_NUMBER >= 0x10000000L)
279 const SSL_METHOD *meth;
280#else
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]281 SSL_METHOD *meth;
Vietor Liu1e380dd2009-10-31 06:36:03[diff] [blame]282#endif
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]283 SSL_CTX *ctx;
284 int ret;
Oswald Buddenhagenb62fb072013-02-15 20:50:35[diff] [blame]285 X509 *cert;
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]286
287 SSL_library_init();
288 SSL_load_error_strings();
289
290 if (use_tls_only)
291 meth = TLSv1_method();
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]292 else
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]293 meth = SSLv23_method();
294
295 if (!meth) {
296 ssl_socket_perror("SSLv23_method");
297 return -1;
298 }
299
300 ctx = SSL_CTX_new(meth);
301
302 if (verify)
303 SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
304
305 if (!SSL_CTX_set_default_verify_paths(ctx)) {
306 ssl_socket_perror("SSL_CTX_set_default_verify_paths");
307 return -1;
308 }
309 sock->ssl = SSL_new(ctx);
310 if (!sock->ssl) {
311 ssl_socket_perror("SSL_new");
312 return -1;
313 }
Erik Faye-Lund7a7796e2009-10-19 15:42:03[diff] [blame]314 if (!SSL_set_rfd(sock->ssl, sock->fd[0])) {
315 ssl_socket_perror("SSL_set_rfd");
316 return -1;
317 }
318 if (!SSL_set_wfd(sock->ssl, sock->fd[1])) {
319 ssl_socket_perror("SSL_set_wfd");
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]320 return -1;
321 }
322
Junio C Hamano698a1ec2013-02-21 00:02:42[diff] [blame]323#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
324 /*
325 * SNI (RFC4366)
326 * OpenSSL does not document this function, but the implementation
327 * returns 1 on success, 0 on failure after calling SSLerr().
328 */
329 ret = SSL_set_tlsext_host_name(sock->ssl, server.host);
330 if (ret != 1)
331 warning("SSL_set_tlsext_host_name(%s) failed.", server.host);
332#endif
333
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]334 ret = SSL_connect(sock->ssl);
335 if (ret <= 0) {
336 socket_perror("SSL_connect", sock, ret);
337 return -1;
338 }
339
Oswald Buddenhagenb62fb072013-02-15 20:50:35[diff] [blame]340 if (verify) {
341 /* make sure the hostname matches that of the certificate */
342 cert = SSL_get_peer_certificate(sock->ssl);
343 if (!cert)
344 return error("unable to get peer certificate.");
345 if (verify_hostname(cert, server.host) < 0)
346 return -1;
347 }
348
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]349 return 0;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]350}
Junio C Hamano1e1fe522013-02-15 20:32:19[diff] [blame]351#endif
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]352
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]353static int socket_read(struct imap_socket *sock, char *buf, int len)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]354{
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]355 ssize_t n;
356#ifndef NO_OPENSSL
357 if (sock->ssl)
358 n = SSL_read(sock->ssl, buf, len);
359 else
360#endif
Erik Faye-Lund7a7796e2009-10-19 15:42:03[diff] [blame]361 n = xread(sock->fd[0], buf, len);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]362 if (n <= 0) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]363 socket_perror("read", sock, n);
Erik Faye-Lund7a7796e2009-10-19 15:42:03[diff] [blame]364 close(sock->fd[0]);
365 close(sock->fd[1]);
366 sock->fd[0] = sock->fd[1] = -1;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]367 }
368 return n;
369}
370
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]371static int socket_write(struct imap_socket *sock, const char *buf, int len)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]372{
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]373 int n;
374#ifndef NO_OPENSSL
375 if (sock->ssl)
376 n = SSL_write(sock->ssl, buf, len);
377 else
378#endif
Erik Faye-Lund7a7796e2009-10-19 15:42:03[diff] [blame]379 n = write_in_full(sock->fd[1], buf, len);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]380 if (n != len) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]381 socket_perror("write", sock, n);
Erik Faye-Lund7a7796e2009-10-19 15:42:03[diff] [blame]382 close(sock->fd[0]);
383 close(sock->fd[1]);
384 sock->fd[0] = sock->fd[1] = -1;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]385 }
386 return n;
387}
388
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]389static void socket_shutdown(struct imap_socket *sock)
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]390{
391#ifndef NO_OPENSSL
392 if (sock->ssl) {
393 SSL_shutdown(sock->ssl);
394 SSL_free(sock->ssl);
395 }
396#endif
Erik Faye-Lund7a7796e2009-10-19 15:42:03[diff] [blame]397 close(sock->fd[0]);
398 close(sock->fd[1]);
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]399}
400
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]401/* simple line buffering */
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]402static int buffer_gets(struct imap_buffer *b, char **s)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]403{
404 int n;
405 int start = b->offset;
406
407 *s = b->buf + start;
408
409 for (;;) {
410 /* make sure we have enough data to read the \r\n sequence */
411 if (b->offset + 1 >= b->bytes) {
412 if (start) {
413 /* shift down used bytes */
414 *s = b->buf;
415
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]416 assert(start <= b->bytes);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]417 n = b->bytes - start;
418
419 if (n)
Edgar Toernig173a9cb2006-10-31 01:39:17[diff] [blame]420 memmove(b->buf, b->buf + start, n);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]421 b->offset -= start;
422 b->bytes = n;
423 start = 0;
424 }
425
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]426 n = socket_read(&b->sock, b->buf + b->bytes,
427 sizeof(b->buf) - b->bytes);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]428
429 if (n <= 0)
430 return -1;
431
432 b->bytes += n;
433 }
434
435 if (b->buf[b->offset] == '\r') {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]436 assert(b->offset + 1 < b->bytes);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]437 if (b->buf[b->offset + 1] == '\n') {
438 b->buf[b->offset] = 0; /* terminate the string */
439 b->offset += 2; /* next line */
Bernhard Reiterf1a35292014-11-05 14:29:21[diff] [blame]440 if (0 < verbosity)
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]441 puts(*s);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]442 return 0;
443 }
444 }
445
446 b->offset++;
447 }
448 /* not reached */
449}
450
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]451static void imap_info(const char *msg, ...)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]452{
453 va_list va;
454
Bernhard Reiterf1a35292014-11-05 14:29:21[diff] [blame]455 if (0 <= verbosity) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]456 va_start(va, msg);
457 vprintf(msg, va);
458 va_end(va);
459 fflush(stdout);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]460 }
461}
462
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]463static void imap_warn(const char *msg, ...)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]464{
465 va_list va;
466
Bernhard Reiterf1a35292014-11-05 14:29:21[diff] [blame]467 if (-2 < verbosity) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]468 va_start(va, msg);
469 vfprintf(stderr, msg, va);
470 va_end(va);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]471 }
472}
473
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]474static char *next_arg(char **s)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]475{
476 char *ret;
477
478 if (!s || !*s)
Rene Scharfe5142db62006-04-02 11:13:01[diff] [blame]479 return NULL;
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]480 while (isspace((unsigned char) **s))
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]481 (*s)++;
482 if (!**s) {
Rene Scharfe5142db62006-04-02 11:13:01[diff] [blame]483 *s = NULL;
484 return NULL;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]485 }
486 if (**s == '"') {
487 ++*s;
488 ret = *s;
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]489 *s = strchr(*s, '"');
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]490 } else {
491 ret = *s;
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]492 while (**s && !isspace((unsigned char) **s))
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]493 (*s)++;
494 }
495 if (*s) {
496 if (**s)
497 *(*s)++ = 0;
498 if (!**s)
Rene Scharfe5142db62006-04-02 11:13:01[diff] [blame]499 *s = NULL;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]500 }
501 return ret;
502}
503
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]504static int nfsnprintf(char *buf, int blen, const char *fmt, ...)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]505{
506 int ret;
507 va_list va;
508
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]509 va_start(va, fmt);
510 if (blen <= 0 || (unsigned)(ret = vsnprintf(buf, blen, fmt, va)) >= (unsigned)blen)
Alexander Potashevd7530702009-01-04 18:38:41[diff] [blame]511 die("Fatal: buffer too small. Please report a bug.");
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]512 va_end(va);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]513 return ret;
514}
515
Tony Finche0d8e302014-08-01 08:15:52[diff] [blame]516static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx,
517 struct imap_cmd_cb *cb,
518 const char *fmt, va_list ap)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]519{
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]520 struct imap *imap = ctx->imap;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]521 struct imap_cmd *cmd;
522 int n, bufl;
523 char buf[1024];
524
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]525 cmd = xmalloc(sizeof(struct imap_cmd));
526 nfvasprintf(&cmd->cmd, fmt, ap);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]527 cmd->tag = ++imap->nexttag;
528
529 if (cb)
530 cmd->cb = *cb;
531 else
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]532 memset(&cmd->cb, 0, sizeof(cmd->cb));
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]533
534 while (imap->literal_pending)
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]535 get_cmd_result(ctx, NULL);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]536
Ævar Arnfjörð Bjarmason1702b132010-08-07 23:09:45[diff] [blame]537 if (!cmd->cb.data)
538 bufl = nfsnprintf(buf, sizeof(buf), "%d %s\r\n", cmd->tag, cmd->cmd);
539 else
540 bufl = nfsnprintf(buf, sizeof(buf), "%d %s{%d%s}\r\n",
541 cmd->tag, cmd->cmd, cmd->cb.dlen,
542 CAP(LITERALPLUS) ? "+" : "");
543
Bernhard Reiterf1a35292014-11-05 14:29:21[diff] [blame]544 if (0 < verbosity) {
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]545 if (imap->num_in_progress)
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]546 printf("(%d in progress) ", imap->num_in_progress);
René Scharfeba9b9e12014-08-30 16:14:24[diff] [blame]547 if (!starts_with(cmd->cmd, "LOGIN"))
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]548 printf(">>> %s", buf);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]549 else
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]550 printf(">>> %d LOGIN <user> <pass>\n", cmd->tag);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]551 }
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]552 if (socket_write(&imap->buf.sock, buf, bufl) != bufl) {
553 free(cmd->cmd);
554 free(cmd);
Jim Meyering8e0f7002008-01-31 17:26:32[diff] [blame]555 if (cb)
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]556 free(cb->data);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]557 return NULL;
558 }
559 if (cmd->cb.data) {
560 if (CAP(LITERALPLUS)) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]561 n = socket_write(&imap->buf.sock, cmd->cb.data, cmd->cb.dlen);
562 free(cmd->cb.data);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]563 if (n != cmd->cb.dlen ||
Benjamin Kramer8e76bf32009-03-13 12:51:33[diff] [blame]564 socket_write(&imap->buf.sock, "\r\n", 2) != 2) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]565 free(cmd->cmd);
566 free(cmd);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]567 return NULL;
568 }
Rene Scharfe5142db62006-04-02 11:13:01[diff] [blame]569 cmd->cb.data = NULL;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]570 } else
571 imap->literal_pending = 1;
572 } else if (cmd->cb.cont)
573 imap->literal_pending = 1;
Rene Scharfe5142db62006-04-02 11:13:01[diff] [blame]574 cmd->next = NULL;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]575 *imap->in_progress_append = cmd;
576 imap->in_progress_append = &cmd->next;
577 imap->num_in_progress++;
578 return cmd;
579}
580
Tarmigan Casebolt28bea9e2009-11-14 21:33:13[diff] [blame]581__attribute__((format (printf, 3, 4)))
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]582static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb,
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]583 const char *fmt, ...)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]584{
585 va_list ap;
586 struct imap_cmd *cmdp;
587
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]588 va_start(ap, fmt);
Tony Finche0d8e302014-08-01 08:15:52[diff] [blame]589 cmdp = issue_imap_cmd(ctx, cb, fmt, ap);
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]590 va_end(ap);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]591 if (!cmdp)
592 return RESP_BAD;
593
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]594 return get_cmd_result(ctx, cmdp);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]595}
596
Tarmigan Casebolt28bea9e2009-11-14 21:33:13[diff] [blame]597__attribute__((format (printf, 3, 4)))
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]598static int imap_exec_m(struct imap_store *ctx, struct imap_cmd_cb *cb,
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]599 const char *fmt, ...)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]600{
601 va_list ap;
602 struct imap_cmd *cmdp;
603
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]604 va_start(ap, fmt);
Tony Finche0d8e302014-08-01 08:15:52[diff] [blame]605 cmdp = issue_imap_cmd(ctx, cb, fmt, ap);
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]606 va_end(ap);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]607 if (!cmdp)
608 return DRV_STORE_BAD;
609
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]610 switch (get_cmd_result(ctx, cmdp)) {
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]611 case RESP_BAD: return DRV_STORE_BAD;
612 case RESP_NO: return DRV_MSG_BAD;
613 default: return DRV_OK;
614 }
615}
616
Michael Haggerty3648b4d2013-01-15 08:06:27[diff] [blame]617static int skip_imap_list_l(char **sp, int level)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]618{
Michael Haggerty3648b4d2013-01-15 08:06:27[diff] [blame]619 char *s = *sp;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]620
621 for (;;) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]622 while (isspace((unsigned char)*s))
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]623 s++;
624 if (level && *s == ')') {
625 s++;
626 break;
627 }
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]628 if (*s == '(') {
629 /* sublist */
630 s++;
Michael Haggerty3648b4d2013-01-15 08:06:27[diff] [blame]631 if (skip_imap_list_l(&s, level + 1))
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]632 goto bail;
633 } else if (*s == '"') {
634 /* quoted string */
635 s++;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]636 for (; *s != '"'; s++)
637 if (!*s)
638 goto bail;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]639 s++;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]640 } else {
641 /* atom */
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]642 for (; *s && !isspace((unsigned char)*s); s++)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]643 if (level && *s == ')')
644 break;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]645 }
646
647 if (!level)
648 break;
649 if (!*s)
650 goto bail;
651 }
652 *sp = s;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]653 return 0;
654
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]655bail:
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]656 return -1;
657}
658
Michael Haggerty3648b4d2013-01-15 08:06:27[diff] [blame]659static void skip_list(char **sp)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]660{
Michael Haggerty3648b4d2013-01-15 08:06:27[diff] [blame]661 skip_imap_list_l(sp, 0);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]662}
663
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]664static void parse_capability(struct imap *imap, char *cmd)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]665{
666 char *arg;
667 unsigned i;
668
669 imap->caps = 0x80000000;
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]670 while ((arg = next_arg(&cmd)))
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]671 for (i = 0; i < ARRAY_SIZE(cap_list); i++)
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]672 if (!strcmp(cap_list[i], arg))
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]673 imap->caps |= 1 << i;
674 imap->rcaps = imap->caps;
675}
676
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]677static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb,
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]678 char *s)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]679{
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]680 struct imap *imap = ctx->imap;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]681 char *arg, *p;
682
683 if (*s != '[')
684 return RESP_OK; /* no response code */
685 s++;
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]686 if (!(p = strchr(s, ']'))) {
687 fprintf(stderr, "IMAP error: malformed response code\n");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]688 return RESP_BAD;
689 }
690 *p++ = 0;
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]691 arg = next_arg(&s);
692 if (!strcmp("UIDVALIDITY", arg)) {
Michael Haggerty636fd662013-01-15 08:06:31[diff] [blame]693 if (!(arg = next_arg(&s)) || !(ctx->uidvalidity = atoi(arg))) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]694 fprintf(stderr, "IMAP error: malformed UIDVALIDITY status\n");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]695 return RESP_BAD;
696 }
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]697 } else if (!strcmp("UIDNEXT", arg)) {
698 if (!(arg = next_arg(&s)) || !(imap->uidnext = atoi(arg))) {
699 fprintf(stderr, "IMAP error: malformed NEXTUID status\n");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]700 return RESP_BAD;
701 }
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]702 } else if (!strcmp("CAPABILITY", arg)) {
703 parse_capability(imap, s);
704 } else if (!strcmp("ALERT", arg)) {
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]705 /* RFC2060 says that these messages MUST be displayed
706 * to the user
707 */
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]708 for (; isspace((unsigned char)*p); p++);
709 fprintf(stderr, "*** IMAP ALERT *** %s\n", p);
710 } else if (cb && cb->ctx && !strcmp("APPENDUID", arg)) {
Michael Haggerty636fd662013-01-15 08:06:31[diff] [blame]711 if (!(arg = next_arg(&s)) || !(ctx->uidvalidity = atoi(arg)) ||
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]712 !(arg = next_arg(&s)) || !(*(int *)cb->ctx = atoi(arg))) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]713 fprintf(stderr, "IMAP error: malformed APPENDUID status\n");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]714 return RESP_BAD;
715 }
716 }
717 return RESP_OK;
718}
719
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]720static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]721{
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]722 struct imap *imap = ctx->imap;
Tony Finche0d8e302014-08-01 08:15:52[diff] [blame]723 struct imap_cmd *cmdp, **pcmdp;
724 char *cmd, *arg, *arg1;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]725 int n, resp, resp2, tag;
726
727 for (;;) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]728 if (buffer_gets(&imap->buf, &cmd))
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]729 return RESP_BAD;
730
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]731 arg = next_arg(&cmd);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]732 if (*arg == '*') {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]733 arg = next_arg(&cmd);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]734 if (!arg) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]735 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]736 return RESP_BAD;
737 }
738
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]739 if (!strcmp("NAMESPACE", arg)) {
Michael Haggerty3648b4d2013-01-15 08:06:27[diff] [blame]740 /* rfc2342 NAMESPACE response. */
741 skip_list(&cmd); /* Personal mailboxes */
742 skip_list(&cmd); /* Others' mailboxes */
743 skip_list(&cmd); /* Shared mailboxes */
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]744 } else if (!strcmp("OK", arg) || !strcmp("BAD", arg) ||
745 !strcmp("NO", arg) || !strcmp("BYE", arg)) {
746 if ((resp = parse_response_code(ctx, NULL, cmd)) != RESP_OK)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]747 return resp;
Michael Haggerty1efee7f2013-01-15 08:06:24[diff] [blame]748 } else if (!strcmp("CAPABILITY", arg)) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]749 parse_capability(imap, cmd);
Michael Haggerty1efee7f2013-01-15 08:06:24[diff] [blame]750 } else if ((arg1 = next_arg(&cmd))) {
751 ; /*
752 * Unhandled response-data with at least two words.
753 * Ignore it.
754 *
755 * NEEDSWORK: Previously this case handled '<num> EXISTS'
756 * and '<num> RECENT' but as a probably-unintended side
757 * effect it ignores other unrecognized two-word
758 * responses. imap-send doesn't ever try to read
759 * messages or mailboxes these days, so consider
760 * eliminating this case.
761 */
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]762 } else {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]763 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]764 return RESP_BAD;
765 }
766 } else if (!imap->in_progress) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]767 fprintf(stderr, "IMAP error: unexpected reply: %s %s\n", arg, cmd ? cmd : "");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]768 return RESP_BAD;
769 } else if (*arg == '+') {
770 /* This can happen only with the last command underway, as
771 it enforces a round-trip. */
772 cmdp = (struct imap_cmd *)((char *)imap->in_progress_append -
773 offsetof(struct imap_cmd, next));
774 if (cmdp->cb.data) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]775 n = socket_write(&imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen);
776 free(cmdp->cb.data);
Rene Scharfe5142db62006-04-02 11:13:01[diff] [blame]777 cmdp->cb.data = NULL;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]778 if (n != (int)cmdp->cb.dlen)
779 return RESP_BAD;
780 } else if (cmdp->cb.cont) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]781 if (cmdp->cb.cont(ctx, cmdp, cmd))
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]782 return RESP_BAD;
783 } else {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]784 fprintf(stderr, "IMAP error: unexpected command continuation request\n");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]785 return RESP_BAD;
786 }
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]787 if (socket_write(&imap->buf.sock, "\r\n", 2) != 2)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]788 return RESP_BAD;
789 if (!cmdp->cb.cont)
790 imap->literal_pending = 0;
791 if (!tcmd)
792 return DRV_OK;
793 } else {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]794 tag = atoi(arg);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]795 for (pcmdp = &imap->in_progress; (cmdp = *pcmdp); pcmdp = &cmdp->next)
796 if (cmdp->tag == tag)
797 goto gottag;
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]798 fprintf(stderr, "IMAP error: unexpected tag %s\n", arg);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]799 return RESP_BAD;
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]800 gottag:
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]801 if (!(*pcmdp = cmdp->next))
802 imap->in_progress_append = pcmdp;
803 imap->num_in_progress--;
804 if (cmdp->cb.cont || cmdp->cb.data)
805 imap->literal_pending = 0;
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]806 arg = next_arg(&cmd);
807 if (!strcmp("OK", arg))
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]808 resp = DRV_OK;
809 else {
Tony Finche0d8e302014-08-01 08:15:52[diff] [blame]810 if (!strcmp("NO", arg))
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]811 resp = RESP_NO;
Tony Finche0d8e302014-08-01 08:15:52[diff] [blame]812 else /*if (!strcmp("BAD", arg))*/
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]813 resp = RESP_BAD;
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]814 fprintf(stderr, "IMAP command '%s' returned response (%s) - %s\n",
René Scharfeba9b9e12014-08-30 16:14:24[diff] [blame]815 !starts_with(cmdp->cmd, "LOGIN") ?
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]816 cmdp->cmd : "LOGIN <user> <pass>",
817 arg, cmd ? cmd : "");
818 }
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]819 if ((resp2 = parse_response_code(ctx, &cmdp->cb, cmd)) > resp)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]820 resp = resp2;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]821 if (cmdp->cb.done)
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]822 cmdp->cb.done(ctx, cmdp, resp);
823 free(cmdp->cb.data);
824 free(cmdp->cmd);
825 free(cmdp);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]826 if (!tcmd || tcmd == cmdp)
827 return resp;
828 }
829 }
830 /* not reached */
831}
832
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]833static void imap_close_server(struct imap_store *ictx)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]834{
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]835 struct imap *imap = ictx->imap;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]836
Erik Faye-Lund7a7796e2009-10-19 15:42:03[diff] [blame]837 if (imap->buf.sock.fd[0] != -1) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]838 imap_exec(ictx, NULL, "LOGOUT");
839 socket_shutdown(&imap->buf.sock);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]840 }
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]841 free(imap);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]842}
843
Michael Haggertyfe47e1d2013-01-15 08:06:29[diff] [blame]844static void imap_close_store(struct imap_store *ctx)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]845{
Michael Haggertyfe47e1d2013-01-15 08:06:29[diff] [blame]846 imap_close_server(ctx);
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]847 free(ctx);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]848}
849
Hitoshi Mitakeae9c6062010-02-16 06:34:07[diff] [blame]850#ifndef NO_OPENSSL
851
852/*
853 * hexchar() and cram() functions are based on the code from the isync
854 * project (http://isync.sf.net/).
855 */
856static char hexchar(unsigned int b)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]857{
Hitoshi Mitakeae9c6062010-02-16 06:34:07[diff] [blame]858 return b < 10 ? '0' + b : 'a' + (b - 10);
859}
860
861#define ENCODED_SIZE(n) (4*((n+2)/3))
862static char *cram(const char *challenge_64, const char *user, const char *pass)
863{
864 int i, resp_len, encoded_len, decoded_len;
865 HMAC_CTX hmac;
866 unsigned char hash[16];
867 char hex[33];
868 char *response, *response_64, *challenge;
869
870 /*
871 * length of challenge_64 (i.e. base-64 encoded string) is a good
872 * enough upper bound for challenge (decoded result).
873 */
874 encoded_len = strlen(challenge_64);
875 challenge = xmalloc(encoded_len);
876 decoded_len = EVP_DecodeBlock((unsigned char *)challenge,
877 (unsigned char *)challenge_64, encoded_len);
878 if (decoded_len < 0)
879 die("invalid challenge %s", challenge_64);
880 HMAC_Init(&hmac, (unsigned char *)pass, strlen(pass), EVP_md5());
881 HMAC_Update(&hmac, (unsigned char *)challenge, decoded_len);
882 HMAC_Final(&hmac, hash, NULL);
883 HMAC_CTX_cleanup(&hmac);
884
885 hex[32] = 0;
886 for (i = 0; i < 16; i++) {
887 hex[2 * i] = hexchar((hash[i] >> 4) & 0xf);
888 hex[2 * i + 1] = hexchar(hash[i] & 0xf);
889 }
890
891 /* response: "<user> <digest in hex>" */
892 resp_len = strlen(user) + 1 + strlen(hex) + 1;
893 response = xmalloc(resp_len);
894 sprintf(response, "%s %s", user, hex);
895
896 response_64 = xmalloc(ENCODED_SIZE(resp_len) + 1);
897 encoded_len = EVP_EncodeBlock((unsigned char *)response_64,
898 (unsigned char *)response, resp_len);
899 if (encoded_len < 0)
900 die("EVP_EncodeBlock error");
901 response_64[encoded_len] = '\0';
902 return (char *)response_64;
903}
904
905#else
906
907static char *cram(const char *challenge_64, const char *user, const char *pass)
908{
909 die("If you want to use CRAM-MD5 authenticate method, "
910 "you have to build git-imap-send with OpenSSL library.");
911}
912
913#endif
914
915static int auth_cram_md5(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt)
916{
917 int ret;
918 char *response;
919
920 response = cram(prompt, server.user, server.pass);
921
922 ret = socket_write(&ctx->imap->buf.sock, response, strlen(response));
923 if (ret != strlen(response))
Pete Wyckoff82247e92012-04-30 00:28:45[diff] [blame]924 return error("IMAP error: sending response failed");
Hitoshi Mitakeae9c6062010-02-16 06:34:07[diff] [blame]925
926 free(response);
927
928 return 0;
929}
930
Tony Finche0d8e302014-08-01 08:15:52[diff] [blame]931static struct imap_store *imap_open_store(struct imap_server_conf *srvc, char *folder)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]932{
Dan Albert791643a2014-04-29 03:00:04[diff] [blame]933 struct credential cred = CREDENTIAL_INIT;
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]934 struct imap_store *ctx;
935 struct imap *imap;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]936 char *arg, *rsp;
Erik Faye-Lundc94d2dd2009-10-19 15:42:04[diff] [blame]937 int s = -1, preauth;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]938
Brian Gesiak3345c0f2014-05-26 15:33:51[diff] [blame]939 ctx = xcalloc(1, sizeof(*ctx));
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]940
Arjun Sreedharan693eb022014-08-30 06:54:23[diff] [blame]941 ctx->imap = imap = xcalloc(1, sizeof(*imap));
Erik Faye-Lund7a7796e2009-10-19 15:42:03[diff] [blame]942 imap->buf.sock.fd[0] = imap->buf.sock.fd[1] = -1;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]943 imap->in_progress_append = &imap->in_progress;
944
945 /* open connection to IMAP server */
946
947 if (srvc->tunnel) {
René Scharfed3180272014-08-19 19:09:35[diff] [blame]948 struct child_process tunnel = CHILD_PROCESS_INIT;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]949
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]950 imap_info("Starting tunnel '%s'... ", srvc->tunnel);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]951
Bernhard Reiterf9dc5d62014-08-13 17:30:43[diff] [blame]952 argv_array_push(&tunnel.args, srvc->tunnel);
Jeff Kingac0ba182009-12-30 10:53:57[diff] [blame]953 tunnel.use_shell = 1;
Erik Faye-Lundc94d2dd2009-10-19 15:42:04[diff] [blame]954 tunnel.in = -1;
955 tunnel.out = -1;
956 if (start_command(&tunnel))
Bernhard Reiterf9dc5d62014-08-13 17:30:43[diff] [blame]957 die("cannot start proxy %s", srvc->tunnel);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]958
Erik Faye-Lundc94d2dd2009-10-19 15:42:04[diff] [blame]959 imap->buf.sock.fd[0] = tunnel.out;
960 imap->buf.sock.fd[1] = tunnel.in;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]961
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]962 imap_info("ok\n");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]963 } else {
Benjamin Kramer94ad2432009-05-25 19:13:54[diff] [blame]964#ifndef NO_IPV6
965 struct addrinfo hints, *ai0, *ai;
966 int gai;
967 char portstr[6];
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]968
Ævar Arnfjörð Bjarmason1702b132010-08-07 23:09:45[diff] [blame]969 snprintf(portstr, sizeof(portstr), "%d", srvc->port);
Benjamin Kramer94ad2432009-05-25 19:13:54[diff] [blame]970
971 memset(&hints, 0, sizeof(hints));
972 hints.ai_socktype = SOCK_STREAM;
973 hints.ai_protocol = IPPROTO_TCP;
974
975 imap_info("Resolving %s... ", srvc->host);
976 gai = getaddrinfo(srvc->host, portstr, &hints, &ai);
977 if (gai) {
978 fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(gai));
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]979 goto bail;
980 }
Benjamin Kramer94ad2432009-05-25 19:13:54[diff] [blame]981 imap_info("ok\n");
982
983 for (ai0 = ai; ai; ai = ai->ai_next) {
984 char addr[NI_MAXHOST];
985
986 s = socket(ai->ai_family, ai->ai_socktype,
987 ai->ai_protocol);
988 if (s < 0)
989 continue;
990
991 getnameinfo(ai->ai_addr, ai->ai_addrlen, addr,
992 sizeof(addr), NULL, 0, NI_NUMERICHOST);
993 imap_info("Connecting to [%s]:%s... ", addr, portstr);
994
995 if (connect(s, ai->ai_addr, ai->ai_addrlen) < 0) {
996 close(s);
997 s = -1;
998 perror("connect");
999 continue;
1000 }
1001
1002 break;
1003 }
1004 freeaddrinfo(ai0);
1005#else /* NO_IPV6 */
1006 struct hostent *he;
1007 struct sockaddr_in addr;
1008
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1009 memset(&addr, 0, sizeof(addr));
1010 addr.sin_port = htons(srvc->port);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1011 addr.sin_family = AF_INET;
1012
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1013 imap_info("Resolving %s... ", srvc->host);
1014 he = gethostbyname(srvc->host);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1015 if (!he) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1016 perror("gethostbyname");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1017 goto bail;
1018 }
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1019 imap_info("ok\n");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1020
1021 addr.sin_addr.s_addr = *((int *) he->h_addr_list[0]);
1022
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1023 s = socket(PF_INET, SOCK_STREAM, 0);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1024
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1025 imap_info("Connecting to %s:%hu... ", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port));
1026 if (connect(s, (struct sockaddr *)&addr, sizeof(addr))) {
1027 close(s);
Benjamin Kramer94ad2432009-05-25 19:13:54[diff] [blame]1028 s = -1;
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1029 perror("connect");
Benjamin Kramer94ad2432009-05-25 19:13:54[diff] [blame]1030 }
1031#endif
1032 if (s < 0) {
1033 fputs("Error: unable to connect to server.\n", stderr);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1034 goto bail;
1035 }
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1036
Erik Faye-Lund7a7796e2009-10-19 15:42:03[diff] [blame]1037 imap->buf.sock.fd[0] = s;
1038 imap->buf.sock.fd[1] = dup(s);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1039
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]1040 if (srvc->use_ssl &&
1041 ssl_socket_connect(&imap->buf.sock, 0, srvc->ssl_verify)) {
1042 close(s);
1043 goto bail;
1044 }
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1045 imap_info("ok\n");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1046 }
1047
1048 /* read the greeting string */
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1049 if (buffer_gets(&imap->buf, &rsp)) {
1050 fprintf(stderr, "IMAP error: no greeting response\n");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1051 goto bail;
1052 }
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1053 arg = next_arg(&rsp);
1054 if (!arg || *arg != '*' || (arg = next_arg(&rsp)) == NULL) {
1055 fprintf(stderr, "IMAP error: invalid greeting response\n");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1056 goto bail;
1057 }
1058 preauth = 0;
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1059 if (!strcmp("PREAUTH", arg))
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1060 preauth = 1;
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1061 else if (strcmp("OK", arg) != 0) {
1062 fprintf(stderr, "IMAP error: unknown greeting response\n");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1063 goto bail;
1064 }
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1065 parse_response_code(ctx, NULL, rsp);
1066 if (!imap->caps && imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1067 goto bail;
1068
1069 if (!preauth) {
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]1070#ifndef NO_OPENSSL
1071 if (!srvc->use_ssl && CAP(STARTTLS)) {
Ramsay Jonesd27da382011-04-07 18:24:57[diff] [blame]1072 if (imap_exec(ctx, NULL, "STARTTLS") != RESP_OK)
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]1073 goto bail;
1074 if (ssl_socket_connect(&imap->buf.sock, 1,
1075 srvc->ssl_verify))
1076 goto bail;
1077 /* capabilities may have changed, so get the new capabilities */
Ramsay Jonesd27da382011-04-07 18:24:57[diff] [blame]1078 if (imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK)
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]1079 goto bail;
1080 }
1081#endif
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1082 imap_info("Logging in...\n");
Dan Albert791643a2014-04-29 03:00:04[diff] [blame]1083 if (!srvc->user || !srvc->pass) {
1084 cred.protocol = xstrdup(srvc->use_ssl ? "imaps" : "imap");
1085 cred.host = xstrdup(srvc->host);
1086
1087 if (srvc->user)
1088 cred.username = xstrdup(srvc->user);
1089 if (srvc->pass)
1090 cred.password = xstrdup(srvc->pass);
1091
1092 credential_fill(&cred);
1093
1094 if (!srvc->user)
1095 srvc->user = xstrdup(cred.username);
1096 if (!srvc->pass)
1097 srvc->pass = xstrdup(cred.password);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1098 }
Dan Albert791643a2014-04-29 03:00:04[diff] [blame]1099
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1100 if (CAP(NOLOGIN)) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1101 fprintf(stderr, "Skipping account %s@%s, server forbids LOGIN\n", srvc->user, srvc->host);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1102 goto bail;
1103 }
Hitoshi Mitakeae9c6062010-02-16 06:34:07[diff] [blame]1104
1105 if (srvc->auth_method) {
1106 struct imap_cmd_cb cb;
1107
1108 if (!strcmp(srvc->auth_method, "CRAM-MD5")) {
1109 if (!CAP(AUTH_CRAM_MD5)) {
1110 fprintf(stderr, "You specified"
1111 "CRAM-MD5 as authentication method, "
1112 "but %s doesn't support it.\n", srvc->host);
1113 goto bail;
1114 }
1115 /* CRAM-MD5 */
1116
1117 memset(&cb, 0, sizeof(cb));
1118 cb.cont = auth_cram_md5;
1119 if (imap_exec(ctx, &cb, "AUTHENTICATE CRAM-MD5") != RESP_OK) {
1120 fprintf(stderr, "IMAP error: AUTHENTICATE CRAM-MD5 failed\n");
1121 goto bail;
1122 }
1123 } else {
1124 fprintf(stderr, "Unknown authentication method:%s\n", srvc->host);
1125 goto bail;
1126 }
1127 } else {
Chris Webb10439d82010-03-27 15:00:19[diff] [blame]1128 if (!imap->buf.sock.ssl)
1129 imap_warn("*** IMAP Warning *** Password is being "
1130 "sent in the clear\n");
Hitoshi Mitakeae9c6062010-02-16 06:34:07[diff] [blame]1131 if (imap_exec(ctx, NULL, "LOGIN \"%s\" \"%s\"", srvc->user, srvc->pass) != RESP_OK) {
1132 fprintf(stderr, "IMAP error: LOGIN failed\n");
1133 goto bail;
1134 }
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1135 }
1136 } /* !preauth */
1137
Dan Albert791643a2014-04-29 03:00:04[diff] [blame]1138 if (cred.username)
1139 credential_approve(&cred);
1140 credential_clear(&cred);
1141
Tony Finche0d8e302014-08-01 08:15:52[diff] [blame]1142 /* check the target mailbox exists */
1143 ctx->name = folder;
1144 switch (imap_exec(ctx, NULL, "EXAMINE \"%s\"", ctx->name)) {
1145 case RESP_OK:
1146 /* ok */
1147 break;
1148 case RESP_BAD:
1149 fprintf(stderr, "IMAP error: could not check mailbox\n");
1150 goto out;
1151 case RESP_NO:
1152 if (imap_exec(ctx, NULL, "CREATE \"%s\"", ctx->name) == RESP_OK) {
1153 imap_info("Created missing mailbox\n");
1154 } else {
1155 fprintf(stderr, "IMAP error: could not create missing mailbox\n");
1156 goto out;
1157 }
1158 break;
1159 }
1160
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1161 ctx->prefix = "";
Michael Haggertyfe47e1d2013-01-15 08:06:29[diff] [blame]1162 return ctx;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1163
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]1164bail:
Dan Albert791643a2014-04-29 03:00:04[diff] [blame]1165 if (cred.username)
1166 credential_reject(&cred);
1167 credential_clear(&cred);
1168
Tony Finche0d8e302014-08-01 08:15:52[diff] [blame]1169 out:
Michael Haggertyfe47e1d2013-01-15 08:06:29[diff] [blame]1170 imap_close_store(ctx);
Rene Scharfe5142db62006-04-02 11:13:01[diff] [blame]1171 return NULL;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1172}
1173
Michael Haggerty36910312013-01-15 08:06:32[diff] [blame]1174/*
1175 * Insert CR characters as necessary in *msg to ensure that every LF
1176 * character in *msg is preceded by a CR.
1177 */
Michael Haggertyf035ab62012-11-25 11:08:39[diff] [blame]1178static void lf_to_crlf(struct strbuf *msg)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1179{
Hitoshi Mitake67d17632010-02-12 11:36:12[diff] [blame]1180 char *new;
Michael Haggerty36910312013-01-15 08:06:32[diff] [blame]1181 size_t i, j;
1182 char lastc;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1183
Michael Haggerty36910312013-01-15 08:06:32[diff] [blame]1184 /* First pass: tally, in j, the size of the new string: */
1185 for (i = j = 0, lastc = '\0'; i < msg->len; i++) {
1186 if (msg->buf[i] == '\n' && lastc != '\r')
1187 j++; /* a CR will need to be added here */
1188 lastc = msg->buf[i];
1189 j++;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1190 }
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1191
Michael Haggerty36910312013-01-15 08:06:32[diff] [blame]1192 new = xmalloc(j + 1);
1193
1194 /*
1195 * Second pass: write the new string. Note that this loop is
1196 * otherwise identical to the first pass.
1197 */
1198 for (i = j = 0, lastc = '\0'; i < msg->len; i++) {
1199 if (msg->buf[i] == '\n' && lastc != '\r')
Hitoshi Mitake67d17632010-02-12 11:36:12[diff] [blame]1200 new[j++] = '\r';
Michael Haggerty36910312013-01-15 08:06:32[diff] [blame]1201 lastc = new[j++] = msg->buf[i];
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1202 }
Michael Haggerty36910312013-01-15 08:06:32[diff] [blame]1203 strbuf_attach(msg, new, j, j + 1);
Hitoshi Mitake67d17632010-02-12 11:36:12[diff] [blame]1204}
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1205
Michael Haggertyf035ab62012-11-25 11:08:39[diff] [blame]1206/*
1207 * Store msg to IMAP. Also detach and free the data from msg->data,
1208 * leaving msg->data empty.
1209 */
Michael Haggertyfe47e1d2013-01-15 08:06:29[diff] [blame]1210static int imap_store_msg(struct imap_store *ctx, struct strbuf *msg)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1211{
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]1212 struct imap *imap = ctx->imap;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1213 struct imap_cmd_cb cb;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1214 const char *prefix, *box;
Michael Haggerty719125c2013-01-15 08:06:19[diff] [blame]1215 int ret;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1216
Michael Haggertycbc60762013-01-15 08:06:20[diff] [blame]1217 lf_to_crlf(msg);
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1218 memset(&cb, 0, sizeof(cb));
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1219
Michael Haggertycbc60762013-01-15 08:06:20[diff] [blame]1220 cb.dlen = msg->len;
1221 cb.data = strbuf_detach(msg, NULL);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1222
Michael Haggerty636fd662013-01-15 08:06:31[diff] [blame]1223 box = ctx->name;
Jeff King3a7cba92009-10-19 15:42:02[diff] [blame]1224 prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix;
Michael Haggerty719125c2013-01-15 08:06:19[diff] [blame]1225 ret = imap_exec_m(ctx, &cb, "APPEND \"%s%s\" ", prefix, box);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1226 imap->caps = imap->rcaps;
1227 if (ret != DRV_OK)
1228 return ret;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1229
1230 return DRV_OK;
1231}
1232
Michael Haggertyf035ab62012-11-25 11:08:39[diff] [blame]1233static void wrap_in_html(struct strbuf *msg)
Jeremy Whitec64d84f2009-02-12 14:58:12[diff] [blame]1234{
1235 struct strbuf buf = STRBUF_INIT;
Jeremy Whitec64d84f2009-02-12 14:58:12[diff] [blame]1236 static char *content_type = "Content-Type: text/html;\n";
1237 static char *pre_open = "<pre>\n";
1238 static char *pre_close = "</pre>\n";
Michael Haggerty118a68f2012-11-25 11:08:41[diff] [blame]1239 const char *body = strstr(msg->buf, "\n\n");
Jeremy Whitec64d84f2009-02-12 14:58:12[diff] [blame]1240
Michael Haggerty118a68f2012-11-25 11:08:41[diff] [blame]1241 if (!body)
1242 return; /* Headers but no body; no wrapping needed */
1243
1244 body += 2;
1245
1246 strbuf_add(&buf, msg->buf, body - msg->buf - 1);
1247 strbuf_addstr(&buf, content_type);
1248 strbuf_addch(&buf, '\n');
1249 strbuf_addstr(&buf, pre_open);
1250 strbuf_addstr_xml_quoted(&buf, body);
Jeremy Whitec64d84f2009-02-12 14:58:12[diff] [blame]1251 strbuf_addstr(&buf, pre_close);
Michael Haggerty118a68f2012-11-25 11:08:41[diff] [blame]1252
Michael Haggertyf035ab62012-11-25 11:08:39[diff] [blame]1253 strbuf_release(msg);
1254 *msg = buf;
Jeremy Whitec64d84f2009-02-12 14:58:12[diff] [blame]1255}
1256
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1257#define CHUNKSIZE 0x1000
1258
Michael Haggerty3a34e622012-11-25 11:08:37[diff] [blame]1259static int read_message(FILE *f, struct strbuf *all_msgs)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1260{
Pierre Habouzit635d0432007-09-10 10:35:08[diff] [blame]1261 do {
Michael Haggerty3a34e622012-11-25 11:08:37[diff] [blame]1262 if (strbuf_fread(all_msgs, CHUNKSIZE, f) <= 0)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1263 break;
Pierre Habouzit635d0432007-09-10 10:35:08[diff] [blame]1264 } while (!feof(f));
1265
Michael Haggerty6360bee2012-11-25 11:08:38[diff] [blame]1266 return ferror(f) ? -1 : 0;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1267}
1268
Michael Haggerty3a34e622012-11-25 11:08:37[diff] [blame]1269static int count_messages(struct strbuf *all_msgs)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1270{
1271 int count = 0;
Michael Haggerty3a34e622012-11-25 11:08:37[diff] [blame]1272 char *p = all_msgs->buf;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1273
1274 while (1) {
Christian Couder59556542013-11-30 20:55:40[diff] [blame]1275 if (starts_with(p, "From ")) {
Ramkumar Ramachandra4916c8f2010-03-22 18:07:52[diff] [blame]1276 p = strstr(p+5, "\nFrom: ");
1277 if (!p) break;
1278 p = strstr(p+7, "\nDate: ");
1279 if (!p) break;
1280 p = strstr(p+7, "\nSubject: ");
1281 if (!p) break;
1282 p += 10;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1283 count++;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1284 }
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1285 p = strstr(p+5, "\nFrom ");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1286 if (!p)
1287 break;
1288 p++;
1289 }
1290 return count;
1291}
1292
Michael Haggertyf035ab62012-11-25 11:08:39[diff] [blame]1293/*
1294 * Copy the next message from all_msgs, starting at offset *ofs, to
1295 * msg. Update *ofs to the start of the following message. Return
1296 * true iff a message was successfully copied.
1297 */
1298static int split_msg(struct strbuf *all_msgs, struct strbuf *msg, int *ofs)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1299{
1300 char *p, *data;
Michael Haggertyf035ab62012-11-25 11:08:39[diff] [blame]1301 size_t len;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1302
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1303 if (*ofs >= all_msgs->len)
1304 return 0;
1305
Michael Haggerty3a34e622012-11-25 11:08:37[diff] [blame]1306 data = &all_msgs->buf[*ofs];
Michael Haggertyf035ab62012-11-25 11:08:39[diff] [blame]1307 len = all_msgs->len - *ofs;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1308
Christian Couder59556542013-11-30 20:55:40[diff] [blame]1309 if (len < 5 || !starts_with(data, "From "))
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1310 return 0;
1311
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1312 p = strchr(data, '\n');
Markus Amslere0b08302006-10-12 22:19:35[diff] [blame]1313 if (p) {
Michael Haggertyf035ab62012-11-25 11:08:39[diff] [blame]1314 p++;
1315 len -= p - data;
1316 *ofs += p - data;
Markus Amslere0b08302006-10-12 22:19:35[diff] [blame]1317 data = p;
1318 }
1319
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1320 p = strstr(data, "\nFrom ");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1321 if (p)
Michael Haggertyf035ab62012-11-25 11:08:39[diff] [blame]1322 len = &p[1] - data;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1323
Michael Haggertyf035ab62012-11-25 11:08:39[diff] [blame]1324 strbuf_add(msg, data, len);
1325 *ofs += len;
Junio C Hamanoa6080a02007-06-07 07:04:01[diff] [blame]1326 return 1;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1327}
1328
Tanay Abhraef7e1d02014-08-07 16:21:24[diff] [blame]1329static void git_imap_config(void)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1330{
Tanay Abhraef7e1d02014-08-07 16:21:24[diff] [blame]1331 const char *val = NULL;
Junio C Hamano3c17c342008-02-11 20:04:00[diff] [blame]1332
Tanay Abhraef7e1d02014-08-07 16:21:24[diff] [blame]1333 git_config_get_bool("imap.sslverify", &server.ssl_verify);
1334 git_config_get_bool("imap.preformattedhtml", &server.use_html);
Junio C Hamano5dcdc782014-09-11 17:33:37[diff] [blame]1335 git_config_get_string("imap.folder", &server.folder);
Junio C Hamanoace706e2010-02-06 19:26:35[diff] [blame]1336
Tanay Abhraef7e1d02014-08-07 16:21:24[diff] [blame]1337 if (!git_config_get_value("imap.host", &val)) {
1338 if (!val) {
1339 git_die_config("imap.host", "Missing value for 'imap.host'");
1340 } else {
1341 if (starts_with(val, "imap:"))
1342 val += 5;
1343 else if (starts_with(val, "imaps:")) {
1344 val += 6;
1345 server.use_ssl = 1;
1346 }
1347 if (starts_with(val, "//"))
1348 val += 2;
1349 server.host = xstrdup(val);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1350 }
Tanay Abhraef7e1d02014-08-07 16:21:24[diff] [blame]1351 }
Hitoshi Mitakeae9c6062010-02-16 06:34:07[diff] [blame]1352
Tanay Abhraef7e1d02014-08-07 16:21:24[diff] [blame]1353 git_config_get_string("imap.user", &server.user);
1354 git_config_get_string("imap.pass", &server.pass);
1355 git_config_get_int("imap.port", &server.port);
1356 git_config_get_string("imap.tunnel", &server.tunnel);
1357 git_config_get_string("imap.authmethod", &server.auth_method);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1358}
1359
Bernhard Reiter1e16b252014-11-09 14:55:53[diff] [blame]1360static int append_msgs_to_imap(struct imap_server_conf *server,
1361 struct strbuf* all_msgs, int total)
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1362{
Michael Haggertycbc60762013-01-15 08:06:20[diff] [blame]1363 struct strbuf msg = STRBUF_INIT;
Michael Haggertyfe47e1d2013-01-15 08:06:29[diff] [blame]1364 struct imap_store *ctx = NULL;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1365 int ofs = 0;
1366 int r;
Bernhard Reiter1e16b252014-11-09 14:55:53[diff] [blame]1367 int n = 0;
1368
1369 ctx = imap_open_store(server, server->folder);
1370 if (!ctx) {
1371 fprintf(stderr, "failed to open store\n");
1372 return 1;
1373 }
1374 ctx->name = server->folder;
1375
1376 fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : "");
1377 while (1) {
1378 unsigned percent = n * 100 / total;
1379
1380 fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total);
1381
1382 if (!split_msg(all_msgs, &msg, &ofs))
1383 break;
1384 if (server->use_html)
1385 wrap_in_html(&msg);
1386 r = imap_store_msg(ctx, &msg);
1387 if (r != DRV_OK)
1388 break;
1389 n++;
1390 }
1391 fprintf(stderr, "\n");
1392
1393 imap_close_store(ctx);
1394
1395 return 0;
1396}
1397
1398#ifdef USE_CURL_FOR_IMAP_SEND
1399static CURL *setup_curl(struct imap_server_conf *srvc)
1400{
1401 CURL *curl;
1402 struct strbuf path = STRBUF_INIT;
1403
1404 if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK)
1405 die("curl_global_init failed");
1406
1407 curl = curl_easy_init();
1408
1409 if (!curl)
1410 die("curl_easy_init failed");
1411
1412 curl_easy_setopt(curl, CURLOPT_USERNAME, server.user);
1413 curl_easy_setopt(curl, CURLOPT_PASSWORD, server.pass);
1414
1415 strbuf_addstr(&path, server.host);
1416 if (!path.len || path.buf[path.len - 1] != '/')
1417 strbuf_addch(&path, '/');
1418 strbuf_addstr(&path, server.folder);
1419
1420 curl_easy_setopt(curl, CURLOPT_URL, path.buf);
1421 strbuf_release(&path);
1422 curl_easy_setopt(curl, CURLOPT_PORT, server.port);
1423
1424 if (server.auth_method) {
1425 struct strbuf auth = STRBUF_INIT;
1426 strbuf_addstr(&auth, "AUTH=");
1427 strbuf_addstr(&auth, server.auth_method);
1428 curl_easy_setopt(curl, CURLOPT_LOGIN_OPTIONS, auth.buf);
1429 strbuf_release(&auth);
1430 }
1431
Kyle J. McKay230c09c2015-01-06 11:20:37[diff] [blame]1432 if (!server.use_ssl)
1433 curl_easy_setopt(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_TRY);
Bernhard Reiter1e16b252014-11-09 14:55:53[diff] [blame]1434
1435 curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, server.ssl_verify);
1436 curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, server.ssl_verify);
1437
1438 curl_easy_setopt(curl, CURLOPT_READFUNCTION, fread_buffer);
1439
1440 curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
1441
Kyle J. McKayd47e55d2015-01-06 11:00:55[diff] [blame]1442 if (0 < verbosity || getenv("GIT_CURL_VERBOSE"))
Bernhard Reiter1e16b252014-11-09 14:55:53[diff] [blame]1443 curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
1444
1445 return curl;
1446}
1447
1448static int curl_append_msgs_to_imap(struct imap_server_conf *server,
1449 struct strbuf* all_msgs, int total) {
1450 int ofs = 0;
1451 int n = 0;
1452 struct buffer msgbuf = { STRBUF_INIT, 0 };
1453 CURL *curl;
1454 CURLcode res = CURLE_OK;
1455
1456 curl = setup_curl(server);
1457 curl_easy_setopt(curl, CURLOPT_READDATA, &msgbuf);
1458
1459 fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : "");
1460 while (1) {
1461 unsigned percent = n * 100 / total;
1462 int prev_len;
1463
1464 fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total);
1465
1466 prev_len = msgbuf.buf.len;
1467 if (!split_msg(all_msgs, &msgbuf.buf, &ofs))
1468 break;
1469 if (server->use_html)
1470 wrap_in_html(&msgbuf.buf);
1471 lf_to_crlf(&msgbuf.buf);
1472
1473 curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE,
1474 (curl_off_t)(msgbuf.buf.len-prev_len));
1475
1476 res = curl_easy_perform(curl);
1477
1478 if(res != CURLE_OK) {
1479 fprintf(stderr, "curl_easy_perform() failed: %s\n",
1480 curl_easy_strerror(res));
1481 break;
1482 }
1483
1484 n++;
1485 }
1486 fprintf(stderr, "\n");
1487
1488 curl_easy_cleanup(curl);
1489 curl_global_cleanup();
1490
1491 return 0;
1492}
1493#endif
1494
1495int main(int argc, char **argv)
1496{
1497 struct strbuf all_msgs = STRBUF_INIT;
1498 int total;
Robert Shearmana0406b92008-07-09 21:28:59[diff] [blame]1499 int nongit_ok;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1500
Steffen Prohaska2fb3f6d2009-01-18 12:00:12[diff] [blame]1501 git_extract_argv0_path(argv[0]);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1502
Ævar Arnfjörð Bjarmason5e9637c2011-11-17 23:14:42[diff] [blame]1503 git_setup_gettext();
1504
Robert Shearmana0406b92008-07-09 21:28:59[diff] [blame]1505 setup_git_directory_gently(&nongit_ok);
Tanay Abhraef7e1d02014-08-07 16:21:24[diff] [blame]1506 git_imap_config();
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1507
Bernhard Reiterf1a35292014-11-05 14:29:21[diff] [blame]1508 argc = parse_options(argc, (const char **)argv, "", imap_send_options, imap_send_usage, 0);
1509
1510 if (argc)
1511 usage_with_options(imap_send_usage, imap_send_options);
1512
Bernhard Reiter1e16b252014-11-09 14:55:53[diff] [blame]1513#ifndef USE_CURL_FOR_IMAP_SEND
1514 if (use_curl) {
Kyle J. McKaydcd01ea2015-03-08 05:13:55[diff] [blame]1515 warning("--curl not supported in this build");
Bernhard Reiter1e16b252014-11-09 14:55:53[diff] [blame]1516 use_curl = 0;
1517 }
Kyle J. McKaydcd01ea2015-03-08 05:13:55[diff] [blame]1518#elif defined(NO_OPENSSL)
1519 if (!use_curl) {
1520 warning("--no-curl not supported in this build");
1521 use_curl = 1;
1522 }
Bernhard Reiter1e16b252014-11-09 14:55:53[diff] [blame]1523#endif
1524
Robert Shearman684ec6c2008-07-09 21:29:00[diff] [blame]1525 if (!server.port)
1526 server.port = server.use_ssl ? 993 : 143;
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1527
Bernhard Reiter39180572014-08-19 21:27:11[diff] [blame]1528 if (!server.folder) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1529 fprintf(stderr, "no imap store specified\n");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1530 return 1;
1531 }
Gerrit Pape5b67b8e2008-03-26 18:05:17[diff] [blame]1532 if (!server.host) {
Jeff King34b5cd12008-04-22 10:41:47[diff] [blame]1533 if (!server.tunnel) {
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1534 fprintf(stderr, "no imap host specified\n");
Jeff King34b5cd12008-04-22 10:41:47[diff] [blame]1535 return 1;
1536 }
1537 server.host = "tunnel";
Gerrit Pape5b67b8e2008-03-26 18:05:17[diff] [blame]1538 }
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1539
1540 /* read the messages */
Michael Haggerty6360bee2012-11-25 11:08:38[diff] [blame]1541 if (read_message(stdin, &all_msgs)) {
1542 fprintf(stderr, "error reading input\n");
1543 return 1;
1544 }
1545
1546 if (all_msgs.len == 0) {
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]1547 fprintf(stderr, "nothing to send\n");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1548 return 1;
1549 }
1550
Robert Shearman95c53902008-07-09 21:29:01[diff] [blame]1551 total = count_messages(&all_msgs);
Mike McCormack1cd88cc2006-04-05 14:22:52[diff] [blame]1552 if (!total) {
Junio C Hamano9f1ad542008-07-09 23:37:38[diff] [blame]1553 fprintf(stderr, "no messages to send\n");
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1554 return 1;
1555 }
1556
1557 /* write it to the imap server */
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1558
Bernhard Reiter1e16b252014-11-09 14:55:53[diff] [blame]1559 if (server.tunnel)
1560 return append_msgs_to_imap(&server, &all_msgs, total);
Michael Haggertyf035ab62012-11-25 11:08:39[diff] [blame]1561
Bernhard Reiter1e16b252014-11-09 14:55:53[diff] [blame]1562#ifdef USE_CURL_FOR_IMAP_SEND
1563 if (use_curl)
1564 return curl_append_msgs_to_imap(&server, &all_msgs, total);
1565#endif
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1566
Bernhard Reiter1e16b252014-11-09 14:55:53[diff] [blame]1567 return append_msgs_to_imap(&server, &all_msgs, total);
Mike McCormackf2561fd2006-03-10 05:32:50[diff] [blame]1568}