2 * git-imap-send - drops patches into an imap Drafts folder
3 * derived from isync/mbsync - mailbox synchronizer
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
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.
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.
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
27 #include "run-command.h"
31 #include <openssl/evp.h>
32 #include <openssl/hmac.h>
37 const char *path
; /* should this be here? its interpretation is driver-specific */
40 unsigned max_size
; /* off_t is overkill */
41 unsigned trash_remote_new
:1, trash_only_new
:1;
44 /* For message->status */
45 #define M_RECENT (1<<0) /* unsyncable flag; maildir_* depend on this being 1<<0 */
46 #define M_DEAD (1<<1) /* expunged */
47 #define M_FLAGS (1<<2) /* flags fetched */
51 size_t size
; /* zero implies "not fetched" */
53 unsigned char flags
, status
;
57 struct store_conf
*conf
; /* foreign */
59 /* currently open mailbox */
60 const char *name
; /* foreign! maybe preset? */
62 struct message
*msgs
; /* own */
64 unsigned char opts
; /* maybe preset? */
65 /* note that the following do _not_ reflect stats from msgs, but mailbox totals */
66 int count
; /* # of messages */
67 int recent
; /* # of recent messages - don't trust this beyond the initial read */
76 static const char imap_send_usage
[] = "git imap-send < <mbox>";
80 #define DRV_MSG_BAD -1
81 #define DRV_BOX_BAD -2
82 #define DRV_STORE_BAD -3
84 static int Verbose
, Quiet
;
86 __attribute__((format (printf
, 1, 2)))
87 static void imap_info(const char *, ...);
88 __attribute__((format (printf
, 1, 2)))
89 static void imap_warn(const char *, ...);
91 static char *next_arg(char **);
93 static void free_generic_messages(struct message
*);
95 __attribute__((format (printf
, 3, 4)))
96 static int nfsnprintf(char *buf
, int blen
, const char *fmt
, ...);
98 static int nfvasprintf(char **strp
, const char *fmt
, va_list ap
)
103 len
= vsnprintf(tmp
, sizeof(tmp
), fmt
, ap
);
105 die("Fatal: Out of memory");
106 if (len
>= sizeof(tmp
))
107 die("imap command overflow!");
108 *strp
= xmemdupz(tmp
, len
);
112 struct imap_server_conf
{
125 static struct imap_server_conf server
= {
135 NULL
, /* auth_method */
138 struct imap_store_conf
{
139 struct store_conf gen
;
140 struct imap_server_conf
*server
;
141 unsigned use_namespace
:1;
144 #define NIL (void *)0x1
145 #define LIST (void *)0x2
148 struct imap_list
*next
, *child
;
159 struct imap_socket sock
;
168 int uidnext
; /* from SELECT responses */
169 struct imap_list
*ns_personal
, *ns_other
, *ns_shared
; /* NAMESPACE info */
170 unsigned caps
, rcaps
; /* CAPABILITY results */
172 int nexttag
, num_in_progress
, literal_pending
;
173 struct imap_cmd
*in_progress
, **in_progress_append
;
174 struct imap_buffer buf
; /* this is BIG, so put it last */
182 unsigned /*currentnc:1,*/ trashnc
:1;
186 int (*cont
)(struct imap_store
*ctx
, struct imap_cmd
*cmd
, const char *prompt
);
187 void (*done
)(struct imap_store
*ctx
, struct imap_cmd
*cmd
, int response
);
192 unsigned create
:1, trycreate
:1;
196 struct imap_cmd
*next
;
197 struct imap_cmd_cb cb
;
202 #define CAP(cap) (imap->caps & (1 << (cap)))
213 static const char *cap_list
[] = {
226 static int get_cmd_result(struct imap_store
*ctx
, struct imap_cmd
*tcmd
);
229 static const char *Flags
[] = {
238 static void ssl_socket_perror(const char *func
)
240 fprintf(stderr
, "%s: %s\n", func
, ERR_error_string(ERR_get_error(), NULL
));
244 static void socket_perror(const char *func
, struct imap_socket
*sock
, int ret
)
248 int sslerr
= SSL_get_error(sock
->ssl
, ret
);
252 case SSL_ERROR_SYSCALL
:
253 perror("SSL_connect");
256 ssl_socket_perror("SSL_connect");
265 fprintf(stderr
, "%s: unexpected EOF\n", func
);
270 static int ssl_socket_connect(struct imap_socket
*sock
, int use_tls_only
, int verify
)
272 fprintf(stderr
, "SSL requested but SSL support not compiled in\n");
278 static int ssl_socket_connect(struct imap_socket
*sock
, int use_tls_only
, int verify
)
280 #if (OPENSSL_VERSION_NUMBER >= 0x10000000L)
281 const SSL_METHOD
*meth
;
289 SSL_load_error_strings();
292 meth
= TLSv1_method();
294 meth
= SSLv23_method();
297 ssl_socket_perror("SSLv23_method");
301 ctx
= SSL_CTX_new(meth
);
304 SSL_CTX_set_verify(ctx
, SSL_VERIFY_PEER
, NULL
);
306 if (!SSL_CTX_set_default_verify_paths(ctx
)) {
307 ssl_socket_perror("SSL_CTX_set_default_verify_paths");
310 sock
->ssl
= SSL_new(ctx
);
312 ssl_socket_perror("SSL_new");
315 if (!SSL_set_rfd(sock
->ssl
, sock
->fd
[0])) {
316 ssl_socket_perror("SSL_set_rfd");
319 if (!SSL_set_wfd(sock
->ssl
, sock
->fd
[1])) {
320 ssl_socket_perror("SSL_set_wfd");
324 ret
= SSL_connect(sock
->ssl
);
326 socket_perror("SSL_connect", sock
, ret
);
334 static int socket_read(struct imap_socket
*sock
, char *buf
, int len
)
339 n
= SSL_read(sock
->ssl
, buf
, len
);
342 n
= xread(sock
->fd
[0], buf
, len
);
344 socket_perror("read", sock
, n
);
347 sock
->fd
[0] = sock
->fd
[1] = -1;
352 static int socket_write(struct imap_socket
*sock
, const char *buf
, int len
)
357 n
= SSL_write(sock
->ssl
, buf
, len
);
360 n
= write_in_full(sock
->fd
[1], buf
, len
);
362 socket_perror("write", sock
, n
);
365 sock
->fd
[0] = sock
->fd
[1] = -1;
370 static void socket_shutdown(struct imap_socket
*sock
)
374 SSL_shutdown(sock
->ssl
);
382 /* simple line buffering */
383 static int buffer_gets(struct imap_buffer
*b
, char **s
)
386 int start
= b
->offset
;
391 /* make sure we have enough data to read the \r\n sequence */
392 if (b
->offset
+ 1 >= b
->bytes
) {
394 /* shift down used bytes */
397 assert(start
<= b
->bytes
);
398 n
= b
->bytes
- start
;
401 memmove(b
->buf
, b
->buf
+ start
, n
);
407 n
= socket_read(&b
->sock
, b
->buf
+ b
->bytes
,
408 sizeof(b
->buf
) - b
->bytes
);
416 if (b
->buf
[b
->offset
] == '\r') {
417 assert(b
->offset
+ 1 < b
->bytes
);
418 if (b
->buf
[b
->offset
+ 1] == '\n') {
419 b
->buf
[b
->offset
] = 0; /* terminate the string */
420 b
->offset
+= 2; /* next line */
432 static void imap_info(const char *msg
, ...)
444 static void imap_warn(const char *msg
, ...)
450 vfprintf(stderr
, msg
, va
);
455 static char *next_arg(char **s
)
461 while (isspace((unsigned char) **s
))
470 *s
= strchr(*s
, '"');
473 while (**s
&& !isspace((unsigned char) **s
))
485 static void free_generic_messages(struct message
*msgs
)
487 struct message
*tmsg
;
489 for (; msgs
; msgs
= tmsg
) {
495 static int nfsnprintf(char *buf
, int blen
, const char *fmt
, ...)
501 if (blen
<= 0 || (unsigned)(ret
= vsnprintf(buf
, blen
, fmt
, va
)) >= (unsigned)blen
)
502 die("Fatal: buffer too small. Please report a bug.");
507 static struct imap_cmd
*v_issue_imap_cmd(struct imap_store
*ctx
,
508 struct imap_cmd_cb
*cb
,
509 const char *fmt
, va_list ap
)
511 struct imap
*imap
= ctx
->imap
;
512 struct imap_cmd
*cmd
;
516 cmd
= xmalloc(sizeof(struct imap_cmd
));
517 nfvasprintf(&cmd
->cmd
, fmt
, ap
);
518 cmd
->tag
= ++imap
->nexttag
;
523 memset(&cmd
->cb
, 0, sizeof(cmd
->cb
));
525 while (imap
->literal_pending
)
526 get_cmd_result(ctx
, NULL
);
529 bufl
= nfsnprintf(buf
, sizeof(buf
), "%d %s\r\n", cmd
->tag
, cmd
->cmd
);
531 bufl
= nfsnprintf(buf
, sizeof(buf
), "%d %s{%d%s}\r\n",
532 cmd
->tag
, cmd
->cmd
, cmd
->cb
.dlen
,
533 CAP(LITERALPLUS
) ? "+" : "");
536 if (imap
->num_in_progress
)
537 printf("(%d in progress) ", imap
->num_in_progress
);
538 if (memcmp(cmd
->cmd
, "LOGIN", 5))
539 printf(">>> %s", buf
);
541 printf(">>> %d LOGIN <user> <pass>\n", cmd
->tag
);
543 if (socket_write(&imap
->buf
.sock
, buf
, bufl
) != bufl
) {
551 if (CAP(LITERALPLUS
)) {
552 n
= socket_write(&imap
->buf
.sock
, cmd
->cb
.data
, cmd
->cb
.dlen
);
554 if (n
!= cmd
->cb
.dlen
||
555 socket_write(&imap
->buf
.sock
, "\r\n", 2) != 2) {
562 imap
->literal_pending
= 1;
563 } else if (cmd
->cb
.cont
)
564 imap
->literal_pending
= 1;
566 *imap
->in_progress_append
= cmd
;
567 imap
->in_progress_append
= &cmd
->next
;
568 imap
->num_in_progress
++;
572 __attribute__((format (printf
, 3, 4)))
573 static struct imap_cmd
*issue_imap_cmd(struct imap_store
*ctx
,
574 struct imap_cmd_cb
*cb
,
575 const char *fmt
, ...)
577 struct imap_cmd
*ret
;
581 ret
= v_issue_imap_cmd(ctx
, cb
, fmt
, ap
);
586 __attribute__((format (printf
, 3, 4)))
587 static int imap_exec(struct imap_store
*ctx
, struct imap_cmd_cb
*cb
,
588 const char *fmt
, ...)
591 struct imap_cmd
*cmdp
;
594 cmdp
= v_issue_imap_cmd(ctx
, cb
, fmt
, ap
);
599 return get_cmd_result(ctx
, cmdp
);
602 __attribute__((format (printf
, 3, 4)))
603 static int imap_exec_m(struct imap_store
*ctx
, struct imap_cmd_cb
*cb
,
604 const char *fmt
, ...)
607 struct imap_cmd
*cmdp
;
610 cmdp
= v_issue_imap_cmd(ctx
, cb
, fmt
, ap
);
613 return DRV_STORE_BAD
;
615 switch (get_cmd_result(ctx
, cmdp
)) {
616 case RESP_BAD
: return DRV_STORE_BAD
;
617 case RESP_NO
: return DRV_MSG_BAD
;
618 default: return DRV_OK
;
622 static int is_atom(struct imap_list
*list
)
624 return list
&& list
->val
&& list
->val
!= NIL
&& list
->val
!= LIST
;
627 static int is_list(struct imap_list
*list
)
629 return list
&& list
->val
== LIST
;
632 static void free_list(struct imap_list
*list
)
634 struct imap_list
*tmp
;
636 for (; list
; list
= tmp
) {
639 free_list(list
->child
);
640 else if (is_atom(list
))
646 static int parse_imap_list_l(struct imap
*imap
, char **sp
, struct imap_list
**curp
, int level
)
648 struct imap_list
*cur
;
653 while (isspace((unsigned char)*s
))
655 if (level
&& *s
== ')') {
659 *curp
= cur
= xmalloc(sizeof(*cur
));
661 cur
->val
= NULL
; /* for clean bail */
666 if (parse_imap_list_l(imap
, &s
, &cur
->child
, level
+ 1))
668 } else if (imap
&& *s
== '{') {
670 bytes
= cur
->len
= strtol(s
+ 1, &s
, 10);
674 s
= cur
->val
= xmalloc(cur
->len
);
676 /* dump whats left over in the input buffer */
677 n
= imap
->buf
.bytes
- imap
->buf
.offset
;
680 /* the entire message fit in the buffer */
683 memcpy(s
, imap
->buf
.buf
+ imap
->buf
.offset
, n
);
687 /* mark that we used part of the buffer */
688 imap
->buf
.offset
+= n
;
690 /* now read the rest of the message */
692 if ((n
= socket_read(&imap
->buf
.sock
, s
, bytes
)) <= 0)
698 if (buffer_gets(&imap
->buf
, &s
))
700 } else if (*s
== '"') {
704 for (; *s
!= '"'; s
++)
709 cur
->val
= xmemdupz(p
, cur
->len
);
713 for (; *s
&& !isspace((unsigned char)*s
); s
++)
714 if (level
&& *s
== ')')
717 if (cur
->len
== 3 && !memcmp("NIL", p
, 3))
720 cur
->val
= xmemdupz(p
, cur
->len
);
737 static struct imap_list
*parse_imap_list(struct imap
*imap
, char **sp
)
739 struct imap_list
*head
;
741 if (!parse_imap_list_l(imap
, sp
, &head
, 0))
747 static struct imap_list
*parse_list(char **sp
)
749 return parse_imap_list(NULL
, sp
);
752 static void parse_capability(struct imap
*imap
, char *cmd
)
757 imap
->caps
= 0x80000000;
758 while ((arg
= next_arg(&cmd
)))
759 for (i
= 0; i
< ARRAY_SIZE(cap_list
); i
++)
760 if (!strcmp(cap_list
[i
], arg
))
761 imap
->caps
|= 1 << i
;
762 imap
->rcaps
= imap
->caps
;
765 static int parse_response_code(struct imap_store
*ctx
, struct imap_cmd_cb
*cb
,
768 struct imap
*imap
= ctx
->imap
;
772 return RESP_OK
; /* no response code */
774 if (!(p
= strchr(s
, ']'))) {
775 fprintf(stderr
, "IMAP error: malformed response code\n");
780 if (!strcmp("UIDVALIDITY", arg
)) {
781 if (!(arg
= next_arg(&s
)) || !(ctx
->gen
.uidvalidity
= atoi(arg
))) {
782 fprintf(stderr
, "IMAP error: malformed UIDVALIDITY status\n");
785 } else if (!strcmp("UIDNEXT", arg
)) {
786 if (!(arg
= next_arg(&s
)) || !(imap
->uidnext
= atoi(arg
))) {
787 fprintf(stderr
, "IMAP error: malformed NEXTUID status\n");
790 } else if (!strcmp("CAPABILITY", arg
)) {
791 parse_capability(imap
, s
);
792 } else if (!strcmp("ALERT", arg
)) {
793 /* RFC2060 says that these messages MUST be displayed
796 for (; isspace((unsigned char)*p
); p
++);
797 fprintf(stderr
, "*** IMAP ALERT *** %s\n", p
);
798 } else if (cb
&& cb
->ctx
&& !strcmp("APPENDUID", arg
)) {
799 if (!(arg
= next_arg(&s
)) || !(ctx
->gen
.uidvalidity
= atoi(arg
)) ||
800 !(arg
= next_arg(&s
)) || !(*(int *)cb
->ctx
= atoi(arg
))) {
801 fprintf(stderr
, "IMAP error: malformed APPENDUID status\n");
808 static int get_cmd_result(struct imap_store
*ctx
, struct imap_cmd
*tcmd
)
810 struct imap
*imap
= ctx
->imap
;
811 struct imap_cmd
*cmdp
, **pcmdp
, *ncmdp
;
812 char *cmd
, *arg
, *arg1
, *p
;
813 int n
, resp
, resp2
, tag
;
816 if (buffer_gets(&imap
->buf
, &cmd
))
819 arg
= next_arg(&cmd
);
821 arg
= next_arg(&cmd
);
823 fprintf(stderr
, "IMAP error: unable to parse untagged response\n");
827 if (!strcmp("NAMESPACE", arg
)) {
828 imap
->ns_personal
= parse_list(&cmd
);
829 imap
->ns_other
= parse_list(&cmd
);
830 imap
->ns_shared
= parse_list(&cmd
);
831 } else if (!strcmp("OK", arg
) || !strcmp("BAD", arg
) ||
832 !strcmp("NO", arg
) || !strcmp("BYE", arg
)) {
833 if ((resp
= parse_response_code(ctx
, NULL
, cmd
)) != RESP_OK
)
835 } else if (!strcmp("CAPABILITY", arg
))
836 parse_capability(imap
, cmd
);
837 else if ((arg1
= next_arg(&cmd
))) {
838 if (!strcmp("EXISTS", arg1
))
839 ctx
->gen
.count
= atoi(arg
);
840 else if (!strcmp("RECENT", arg1
))
841 ctx
->gen
.recent
= atoi(arg
);
843 fprintf(stderr
, "IMAP error: unable to parse untagged response\n");
846 } else if (!imap
->in_progress
) {
847 fprintf(stderr
, "IMAP error: unexpected reply: %s %s\n", arg
, cmd
? cmd
: "");
849 } else if (*arg
== '+') {
850 /* This can happen only with the last command underway, as
851 it enforces a round-trip. */
852 cmdp
= (struct imap_cmd
*)((char *)imap
->in_progress_append
-
853 offsetof(struct imap_cmd
, next
));
855 n
= socket_write(&imap
->buf
.sock
, cmdp
->cb
.data
, cmdp
->cb
.dlen
);
857 cmdp
->cb
.data
= NULL
;
858 if (n
!= (int)cmdp
->cb
.dlen
)
860 } else if (cmdp
->cb
.cont
) {
861 if (cmdp
->cb
.cont(ctx
, cmdp
, cmd
))
864 fprintf(stderr
, "IMAP error: unexpected command continuation request\n");
867 if (socket_write(&imap
->buf
.sock
, "\r\n", 2) != 2)
870 imap
->literal_pending
= 0;
875 for (pcmdp
= &imap
->in_progress
; (cmdp
= *pcmdp
); pcmdp
= &cmdp
->next
)
876 if (cmdp
->tag
== tag
)
878 fprintf(stderr
, "IMAP error: unexpected tag %s\n", arg
);
881 if (!(*pcmdp
= cmdp
->next
))
882 imap
->in_progress_append
= pcmdp
;
883 imap
->num_in_progress
--;
884 if (cmdp
->cb
.cont
|| cmdp
->cb
.data
)
885 imap
->literal_pending
= 0;
886 arg
= next_arg(&cmd
);
887 if (!strcmp("OK", arg
))
890 if (!strcmp("NO", arg
)) {
891 if (cmdp
->cb
.create
&& cmd
&& (cmdp
->cb
.trycreate
|| !memcmp(cmd
, "[TRYCREATE]", 11))) { /* SELECT, APPEND or UID COPY */
892 p
= strchr(cmdp
->cmd
, '"');
893 if (!issue_imap_cmd(ctx
, NULL
, "CREATE \"%.*s\"", (int)(strchr(p
+ 1, '"') - p
+ 1), p
)) {
897 /* not waiting here violates the spec, but a server that does not
898 grok this nonetheless violates it too. */
900 if (!(ncmdp
= issue_imap_cmd(ctx
, &cmdp
->cb
, "%s", cmdp
->cmd
))) {
907 return 0; /* ignored */
913 } else /*if (!strcmp("BAD", arg))*/
915 fprintf(stderr
, "IMAP command '%s' returned response (%s) - %s\n",
916 memcmp(cmdp
->cmd
, "LOGIN", 5) ?
917 cmdp
->cmd
: "LOGIN <user> <pass>",
918 arg
, cmd
? cmd
: "");
920 if ((resp2
= parse_response_code(ctx
, &cmdp
->cb
, cmd
)) > resp
)
924 cmdp
->cb
.done(ctx
, cmdp
, resp
);
928 if (!tcmd
|| tcmd
== cmdp
)
935 static void imap_close_server(struct imap_store
*ictx
)
937 struct imap
*imap
= ictx
->imap
;
939 if (imap
->buf
.sock
.fd
[0] != -1) {
940 imap_exec(ictx
, NULL
, "LOGOUT");
941 socket_shutdown(&imap
->buf
.sock
);
943 free_list(imap
->ns_personal
);
944 free_list(imap
->ns_other
);
945 free_list(imap
->ns_shared
);
949 static void imap_close_store(struct store
*ctx
)
951 imap_close_server((struct imap_store
*)ctx
);
952 free_generic_messages(ctx
->msgs
);
959 * hexchar() and cram() functions are based on the code from the isync
960 * project (http://isync.sf.net/).
962 static char hexchar(unsigned int b
)
964 return b
< 10 ? '0' + b
: 'a' + (b
- 10);
967 #define ENCODED_SIZE(n) (4*((n+2)/3))
968 static char *cram(const char *challenge_64
, const char *user
, const char *pass
)
970 int i
, resp_len
, encoded_len
, decoded_len
;
972 unsigned char hash
[16];
974 char *response
, *response_64
, *challenge
;
977 * length of challenge_64 (i.e. base-64 encoded string) is a good
978 * enough upper bound for challenge (decoded result).
980 encoded_len
= strlen(challenge_64
);
981 challenge
= xmalloc(encoded_len
);
982 decoded_len
= EVP_DecodeBlock((unsigned char *)challenge
,
983 (unsigned char *)challenge_64
, encoded_len
);
985 die("invalid challenge %s", challenge_64
);
986 HMAC_Init(&hmac
, (unsigned char *)pass
, strlen(pass
), EVP_md5());
987 HMAC_Update(&hmac
, (unsigned char *)challenge
, decoded_len
);
988 HMAC_Final(&hmac
, hash
, NULL
);
989 HMAC_CTX_cleanup(&hmac
);
992 for (i
= 0; i
< 16; i
++) {
993 hex
[2 * i
] = hexchar((hash
[i
] >> 4) & 0xf);
994 hex
[2 * i
+ 1] = hexchar(hash
[i
] & 0xf);
997 /* response: "<user> <digest in hex>" */
998 resp_len
= strlen(user
) + 1 + strlen(hex
) + 1;
999 response
= xmalloc(resp_len
);
1000 sprintf(response
, "%s %s", user
, hex
);
1002 response_64
= xmalloc(ENCODED_SIZE(resp_len
) + 1);
1003 encoded_len
= EVP_EncodeBlock((unsigned char *)response_64
,
1004 (unsigned char *)response
, resp_len
);
1005 if (encoded_len
< 0)
1006 die("EVP_EncodeBlock error");
1007 response_64
[encoded_len
] = '\0';
1008 return (char *)response_64
;
1013 static char *cram(const char *challenge_64
, const char *user
, const char *pass
)
1015 die("If you want to use CRAM-MD5 authenticate method, "
1016 "you have to build git-imap-send with OpenSSL library.");
1021 static int auth_cram_md5(struct imap_store
*ctx
, struct imap_cmd
*cmd
, const char *prompt
)
1026 response
= cram(prompt
, server
.user
, server
.pass
);
1028 ret
= socket_write(&ctx
->imap
->buf
.sock
, response
, strlen(response
));
1029 if (ret
!= strlen(response
))
1030 return error("IMAP error: sending response failed\n");
1037 static struct store
*imap_open_store(struct imap_server_conf
*srvc
)
1039 struct imap_store
*ctx
;
1042 int s
= -1, preauth
;
1044 ctx
= xcalloc(sizeof(*ctx
), 1);
1046 ctx
->imap
= imap
= xcalloc(sizeof(*imap
), 1);
1047 imap
->buf
.sock
.fd
[0] = imap
->buf
.sock
.fd
[1] = -1;
1048 imap
->in_progress_append
= &imap
->in_progress
;
1050 /* open connection to IMAP server */
1053 const char *argv
[] = { srvc
->tunnel
, NULL
};
1054 struct child_process tunnel
= {NULL
};
1056 imap_info("Starting tunnel '%s'... ", srvc
->tunnel
);
1059 tunnel
.use_shell
= 1;
1062 if (start_command(&tunnel
))
1063 die("cannot start proxy %s", argv
[0]);
1065 imap
->buf
.sock
.fd
[0] = tunnel
.out
;
1066 imap
->buf
.sock
.fd
[1] = tunnel
.in
;
1071 struct addrinfo hints
, *ai0
, *ai
;
1075 snprintf(portstr
, sizeof(portstr
), "%d", srvc
->port
);
1077 memset(&hints
, 0, sizeof(hints
));
1078 hints
.ai_socktype
= SOCK_STREAM
;
1079 hints
.ai_protocol
= IPPROTO_TCP
;
1081 imap_info("Resolving %s... ", srvc
->host
);
1082 gai
= getaddrinfo(srvc
->host
, portstr
, &hints
, &ai
);
1084 fprintf(stderr
, "getaddrinfo: %s\n", gai_strerror(gai
));
1089 for (ai0
= ai
; ai
; ai
= ai
->ai_next
) {
1090 char addr
[NI_MAXHOST
];
1092 s
= socket(ai
->ai_family
, ai
->ai_socktype
,
1097 getnameinfo(ai
->ai_addr
, ai
->ai_addrlen
, addr
,
1098 sizeof(addr
), NULL
, 0, NI_NUMERICHOST
);
1099 imap_info("Connecting to [%s]:%s... ", addr
, portstr
);
1101 if (connect(s
, ai
->ai_addr
, ai
->ai_addrlen
) < 0) {
1113 struct sockaddr_in addr
;
1115 memset(&addr
, 0, sizeof(addr
));
1116 addr
.sin_port
= htons(srvc
->port
);
1117 addr
.sin_family
= AF_INET
;
1119 imap_info("Resolving %s... ", srvc
->host
);
1120 he
= gethostbyname(srvc
->host
);
1122 perror("gethostbyname");
1127 addr
.sin_addr
.s_addr
= *((int *) he
->h_addr_list
[0]);
1129 s
= socket(PF_INET
, SOCK_STREAM
, 0);
1131 imap_info("Connecting to %s:%hu... ", inet_ntoa(addr
.sin_addr
), ntohs(addr
.sin_port
));
1132 if (connect(s
, (struct sockaddr
*)&addr
, sizeof(addr
))) {
1139 fputs("Error: unable to connect to server.\n", stderr
);
1143 imap
->buf
.sock
.fd
[0] = s
;
1144 imap
->buf
.sock
.fd
[1] = dup(s
);
1146 if (srvc
->use_ssl
&&
1147 ssl_socket_connect(&imap
->buf
.sock
, 0, srvc
->ssl_verify
)) {
1154 /* read the greeting string */
1155 if (buffer_gets(&imap
->buf
, &rsp
)) {
1156 fprintf(stderr
, "IMAP error: no greeting response\n");
1159 arg
= next_arg(&rsp
);
1160 if (!arg
|| *arg
!= '*' || (arg
= next_arg(&rsp
)) == NULL
) {
1161 fprintf(stderr
, "IMAP error: invalid greeting response\n");
1165 if (!strcmp("PREAUTH", arg
))
1167 else if (strcmp("OK", arg
) != 0) {
1168 fprintf(stderr
, "IMAP error: unknown greeting response\n");
1171 parse_response_code(ctx
, NULL
, rsp
);
1172 if (!imap
->caps
&& imap_exec(ctx
, NULL
, "CAPABILITY") != RESP_OK
)
1177 if (!srvc
->use_ssl
&& CAP(STARTTLS
)) {
1178 if (imap_exec(ctx
, NULL
, "STARTTLS") != RESP_OK
)
1180 if (ssl_socket_connect(&imap
->buf
.sock
, 1,
1183 /* capabilities may have changed, so get the new capabilities */
1184 if (imap_exec(ctx
, NULL
, "CAPABILITY") != RESP_OK
)
1188 imap_info("Logging in...\n");
1190 fprintf(stderr
, "Skipping server %s, no user\n", srvc
->host
);
1195 sprintf(prompt
, "Password (%s@%s): ", srvc
->user
, srvc
->host
);
1196 arg
= git_getpass(prompt
);
1202 fprintf(stderr
, "Skipping account %s@%s, no password\n", srvc
->user
, srvc
->host
);
1206 * getpass() returns a pointer to a static buffer. make a copy
1207 * for long term storage.
1209 srvc
->pass
= xstrdup(arg
);
1212 fprintf(stderr
, "Skipping account %s@%s, server forbids LOGIN\n", srvc
->user
, srvc
->host
);
1216 if (srvc
->auth_method
) {
1217 struct imap_cmd_cb cb
;
1219 if (!strcmp(srvc
->auth_method
, "CRAM-MD5")) {
1220 if (!CAP(AUTH_CRAM_MD5
)) {
1221 fprintf(stderr
, "You specified"
1222 "CRAM-MD5 as authentication method, "
1223 "but %s doesn't support it.\n", srvc
->host
);
1228 memset(&cb
, 0, sizeof(cb
));
1229 cb
.cont
= auth_cram_md5
;
1230 if (imap_exec(ctx
, &cb
, "AUTHENTICATE CRAM-MD5") != RESP_OK
) {
1231 fprintf(stderr
, "IMAP error: AUTHENTICATE CRAM-MD5 failed\n");
1235 fprintf(stderr
, "Unknown authentication method:%s\n", srvc
->host
);
1239 if (!imap
->buf
.sock
.ssl
)
1240 imap_warn("*** IMAP Warning *** Password is being "
1241 "sent in the clear\n");
1242 if (imap_exec(ctx
, NULL
, "LOGIN \"%s\" \"%s\"", srvc
->user
, srvc
->pass
) != RESP_OK
) {
1243 fprintf(stderr
, "IMAP error: LOGIN failed\n");
1251 return (struct store
*)ctx
;
1254 imap_close_store(&ctx
->gen
);
1258 static int imap_make_flags(int flags
, char *buf
)
1263 for (i
= d
= 0; i
< ARRAY_SIZE(Flags
); i
++)
1264 if (flags
& (1 << i
)) {
1267 for (s
= Flags
[i
]; *s
; s
++)
1275 static void lf_to_crlf(struct msg_data
*msg
)
1278 int i
, j
, lfnum
= 0;
1280 if (msg
->data
[0] == '\n')
1282 for (i
= 1; i
< msg
->len
; i
++) {
1283 if (msg
->data
[i
- 1] != '\r' && msg
->data
[i
] == '\n')
1287 new = xmalloc(msg
->len
+ lfnum
);
1288 if (msg
->data
[0] == '\n') {
1294 new[0] = msg
->data
[0];
1298 for ( ; i
< msg
->len
; i
++) {
1299 if (msg
->data
[i
] != '\n') {
1300 new[j
++] = msg
->data
[i
];
1303 if (msg
->data
[i
- 1] != '\r')
1305 /* otherwise it already had CR before */
1313 static int imap_store_msg(struct store
*gctx
, struct msg_data
*data
)
1315 struct imap_store
*ctx
= (struct imap_store
*)gctx
;
1316 struct imap
*imap
= ctx
->imap
;
1317 struct imap_cmd_cb cb
;
1318 const char *prefix
, *box
;
1323 memset(&cb
, 0, sizeof(cb
));
1325 cb
.dlen
= data
->len
;
1326 cb
.data
= xmalloc(cb
.dlen
);
1327 memcpy(cb
.data
, data
->data
, data
->len
);
1331 d
= imap_make_flags(data
->flags
, flagstr
);
1337 prefix
= !strcmp(box
, "INBOX") ? "" : ctx
->prefix
;
1339 ret
= imap_exec_m(ctx
, &cb
, "APPEND \"%s%s\" %s", prefix
, box
, flagstr
);
1340 imap
->caps
= imap
->rcaps
;
1348 static void encode_html_chars(struct strbuf
*p
)
1351 for (i
= 0; i
< p
->len
; i
++) {
1352 if (p
->buf
[i
] == '&')
1353 strbuf_splice(p
, i
, 1, "&", 5);
1354 if (p
->buf
[i
] == '<')
1355 strbuf_splice(p
, i
, 1, "<", 4);
1356 if (p
->buf
[i
] == '>')
1357 strbuf_splice(p
, i
, 1, ">", 4);
1358 if (p
->buf
[i
] == '"')
1359 strbuf_splice(p
, i
, 1, """, 6);
1362 static void wrap_in_html(struct msg_data
*msg
)
1364 struct strbuf buf
= STRBUF_INIT
;
1365 struct strbuf
**lines
;
1367 static char *content_type
= "Content-Type: text/html;\n";
1368 static char *pre_open
= "<pre>\n";
1369 static char *pre_close
= "</pre>\n";
1370 int added_header
= 0;
1372 strbuf_attach(&buf
, msg
->data
, msg
->len
, msg
->len
);
1373 lines
= strbuf_split(&buf
, '\n');
1374 strbuf_release(&buf
);
1375 for (p
= lines
; *p
; p
++) {
1376 if (! added_header
) {
1377 if ((*p
)->len
== 1 && *((*p
)->buf
) == '\n') {
1378 strbuf_addstr(&buf
, content_type
);
1379 strbuf_addbuf(&buf
, *p
);
1380 strbuf_addstr(&buf
, pre_open
);
1386 encode_html_chars(*p
);
1387 strbuf_addbuf(&buf
, *p
);
1389 strbuf_addstr(&buf
, pre_close
);
1390 strbuf_list_free(lines
);
1392 msg
->data
= strbuf_detach(&buf
, NULL
);
1395 #define CHUNKSIZE 0x1000
1397 static int read_message(FILE *f
, struct msg_data
*msg
)
1399 struct strbuf buf
= STRBUF_INIT
;
1401 memset(msg
, 0, sizeof(*msg
));
1404 if (strbuf_fread(&buf
, CHUNKSIZE
, f
) <= 0)
1409 msg
->data
= strbuf_detach(&buf
, NULL
);
1413 static int count_messages(struct msg_data
*msg
)
1416 char *p
= msg
->data
;
1419 if (!prefixcmp(p
, "From ")) {
1420 p
= strstr(p
+5, "\nFrom: ");
1422 p
= strstr(p
+7, "\nDate: ");
1424 p
= strstr(p
+7, "\nSubject: ");
1429 p
= strstr(p
+5, "\nFrom ");
1437 static int split_msg(struct msg_data
*all_msgs
, struct msg_data
*msg
, int *ofs
)
1441 memset(msg
, 0, sizeof *msg
);
1442 if (*ofs
>= all_msgs
->len
)
1445 data
= &all_msgs
->data
[*ofs
];
1446 msg
->len
= all_msgs
->len
- *ofs
;
1448 if (msg
->len
< 5 || prefixcmp(data
, "From "))
1451 p
= strchr(data
, '\n');
1459 p
= strstr(data
, "\nFrom ");
1461 msg
->len
= &p
[1] - data
;
1463 msg
->data
= xmemdupz(data
, msg
->len
);
1468 static char *imap_folder
;
1470 static int git_imap_config(const char *key
, const char *val
, void *cb
)
1472 char imap_key
[] = "imap.";
1474 if (strncmp(key
, imap_key
, sizeof imap_key
- 1))
1477 key
+= sizeof imap_key
- 1;
1479 /* check booleans first, and barf on others */
1480 if (!strcmp("sslverify", key
))
1481 server
.ssl_verify
= git_config_bool(key
, val
);
1482 else if (!strcmp("preformattedhtml", key
))
1483 server
.use_html
= git_config_bool(key
, val
);
1485 return config_error_nonbool(key
);
1487 if (!strcmp("folder", key
)) {
1488 imap_folder
= xstrdup(val
);
1489 } else if (!strcmp("host", key
)) {
1490 if (!prefixcmp(val
, "imap:"))
1492 else if (!prefixcmp(val
, "imaps:")) {
1496 if (!prefixcmp(val
, "//"))
1498 server
.host
= xstrdup(val
);
1499 } else if (!strcmp("user", key
))
1500 server
.user
= xstrdup(val
);
1501 else if (!strcmp("pass", key
))
1502 server
.pass
= xstrdup(val
);
1503 else if (!strcmp("port", key
))
1504 server
.port
= git_config_int(key
, val
);
1505 else if (!strcmp("tunnel", key
))
1506 server
.tunnel
= xstrdup(val
);
1507 else if (!strcmp("authmethod", key
))
1508 server
.auth_method
= xstrdup(val
);
1513 int main(int argc
, char **argv
)
1515 struct msg_data all_msgs
, msg
;
1516 struct store
*ctx
= NULL
;
1522 git_extract_argv0_path(argv
[0]);
1525 usage(imap_send_usage
);
1527 setup_git_directory_gently(&nongit_ok
);
1528 git_config(git_imap_config
, NULL
);
1531 server
.port
= server
.use_ssl
? 993 : 143;
1534 fprintf(stderr
, "no imap store specified\n");
1538 if (!server
.tunnel
) {
1539 fprintf(stderr
, "no imap host specified\n");
1542 server
.host
= "tunnel";
1545 /* read the messages */
1546 if (!read_message(stdin
, &all_msgs
)) {
1547 fprintf(stderr
, "nothing to send\n");
1551 total
= count_messages(&all_msgs
);
1553 fprintf(stderr
, "no messages to send\n");
1557 /* write it to the imap server */
1558 ctx
= imap_open_store(&server
);
1560 fprintf(stderr
, "failed to open store\n");
1564 fprintf(stderr
, "sending %d message%s\n", total
, (total
!= 1) ? "s" : "");
1565 ctx
->name
= imap_folder
;
1567 unsigned percent
= n
* 100 / total
;
1568 fprintf(stderr
, "%4u%% (%d/%d) done\r", percent
, n
, total
);
1569 if (!split_msg(&all_msgs
, &msg
, &ofs
))
1571 if (server
.use_html
)
1573 r
= imap_store_msg(ctx
, &msg
);
1578 fprintf(stderr
, "\n");
1580 imap_close_store(ctx
);