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"
32 #include <openssl/evp.h>
33 #include <openssl/hmac.h>
38 const char *path
; /* should this be here? its interpretation is driver-specific */
41 unsigned max_size
; /* off_t is overkill */
42 unsigned trash_remote_new
:1, trash_only_new
:1;
46 struct string_list
*next
;
51 struct channel_conf
*next
;
53 struct store_conf
*master
, *slave
;
54 char *master_name
, *slave_name
;
56 struct string_list
*patterns
;
58 unsigned max_messages
; /* for slave only */
62 struct group_conf
*next
;
64 struct string_list
*channels
;
67 /* For message->status */
68 #define M_RECENT (1<<0) /* unsyncable flag; maildir_* depend on this being 1<<0 */
69 #define M_DEAD (1<<1) /* expunged */
70 #define M_FLAGS (1<<2) /* flags fetched */
74 /* struct string_list *keywords; */
75 size_t size
; /* zero implies "not fetched" */
77 unsigned char flags
, status
;
81 struct store_conf
*conf
; /* foreign */
83 /* currently open mailbox */
84 const char *name
; /* foreign! maybe preset? */
86 struct message
*msgs
; /* own */
88 unsigned char opts
; /* maybe preset? */
89 /* note that the following do _not_ reflect stats from msgs, but mailbox totals */
90 int count
; /* # of messages */
91 int recent
; /* # of recent messages - don't trust this beyond the initial read */
100 static const char imap_send_usage
[] = "git imap-send < <mbox>";
104 #define DRV_MSG_BAD -1
105 #define DRV_BOX_BAD -2
106 #define DRV_STORE_BAD -3
108 static int Verbose
, Quiet
;
110 __attribute__((format (printf
, 1, 2)))
111 static void imap_info(const char *, ...);
112 __attribute__((format (printf
, 1, 2)))
113 static void imap_warn(const char *, ...);
115 static char *next_arg(char **);
117 static void free_generic_messages(struct message
*);
119 __attribute__((format (printf
, 3, 4)))
120 static int nfsnprintf(char *buf
, int blen
, const char *fmt
, ...);
122 static int nfvasprintf(char **strp
, const char *fmt
, va_list ap
)
127 len
= vsnprintf(tmp
, sizeof(tmp
), fmt
, ap
);
129 die("Fatal: Out of memory");
130 if (len
>= sizeof(tmp
))
131 die("imap command overflow!");
132 *strp
= xmemdupz(tmp
, len
);
136 struct imap_server_conf
{
149 static struct imap_server_conf server
= {
159 NULL
, /* auth_method */
162 struct imap_store_conf
{
163 struct store_conf gen
;
164 struct imap_server_conf
*server
;
165 unsigned use_namespace
:1;
168 #define NIL (void *)0x1
169 #define LIST (void *)0x2
172 struct imap_list
*next
, *child
;
183 struct imap_socket sock
;
192 int uidnext
; /* from SELECT responses */
193 struct imap_list
*ns_personal
, *ns_other
, *ns_shared
; /* NAMESPACE info */
194 unsigned caps
, rcaps
; /* CAPABILITY results */
196 int nexttag
, num_in_progress
, literal_pending
;
197 struct imap_cmd
*in_progress
, **in_progress_append
;
198 struct imap_buffer buf
; /* this is BIG, so put it last */
206 unsigned /*currentnc:1,*/ trashnc
:1;
210 int (*cont
)(struct imap_store
*ctx
, struct imap_cmd
*cmd
, const char *prompt
);
211 void (*done
)(struct imap_store
*ctx
, struct imap_cmd
*cmd
, int response
);
216 unsigned create
:1, trycreate
:1;
220 struct imap_cmd
*next
;
221 struct imap_cmd_cb cb
;
226 #define CAP(cap) (imap->caps & (1 << (cap)))
237 static const char *cap_list
[] = {
250 static int get_cmd_result(struct imap_store
*ctx
, struct imap_cmd
*tcmd
);
253 static const char *Flags
[] = {
262 static void ssl_socket_perror(const char *func
)
264 fprintf(stderr
, "%s: %s\n", func
, ERR_error_string(ERR_get_error(), NULL
));
268 static void socket_perror(const char *func
, struct imap_socket
*sock
, int ret
)
272 int sslerr
= SSL_get_error(sock
->ssl
, ret
);
276 case SSL_ERROR_SYSCALL
:
277 perror("SSL_connect");
280 ssl_socket_perror("SSL_connect");
289 fprintf(stderr
, "%s: unexpected EOF\n", func
);
293 static int ssl_socket_connect(struct imap_socket
*sock
, int use_tls_only
, int verify
)
296 fprintf(stderr
, "SSL requested but SSL support not compiled in\n");
299 #if (OPENSSL_VERSION_NUMBER >= 0x10000000L)
300 const SSL_METHOD
*meth
;
308 SSL_load_error_strings();
311 meth
= TLSv1_method();
313 meth
= SSLv23_method();
316 ssl_socket_perror("SSLv23_method");
320 ctx
= SSL_CTX_new(meth
);
323 SSL_CTX_set_verify(ctx
, SSL_VERIFY_PEER
, NULL
);
325 if (!SSL_CTX_set_default_verify_paths(ctx
)) {
326 ssl_socket_perror("SSL_CTX_set_default_verify_paths");
329 sock
->ssl
= SSL_new(ctx
);
331 ssl_socket_perror("SSL_new");
334 if (!SSL_set_rfd(sock
->ssl
, sock
->fd
[0])) {
335 ssl_socket_perror("SSL_set_rfd");
338 if (!SSL_set_wfd(sock
->ssl
, sock
->fd
[1])) {
339 ssl_socket_perror("SSL_set_wfd");
343 ret
= SSL_connect(sock
->ssl
);
345 socket_perror("SSL_connect", sock
, ret
);
353 static int socket_read(struct imap_socket
*sock
, char *buf
, int len
)
358 n
= SSL_read(sock
->ssl
, buf
, len
);
361 n
= xread(sock
->fd
[0], buf
, len
);
363 socket_perror("read", sock
, n
);
366 sock
->fd
[0] = sock
->fd
[1] = -1;
371 static int socket_write(struct imap_socket
*sock
, const char *buf
, int len
)
376 n
= SSL_write(sock
->ssl
, buf
, len
);
379 n
= write_in_full(sock
->fd
[1], buf
, len
);
381 socket_perror("write", sock
, n
);
384 sock
->fd
[0] = sock
->fd
[1] = -1;
389 static void socket_shutdown(struct imap_socket
*sock
)
393 SSL_shutdown(sock
->ssl
);
401 /* simple line buffering */
402 static int buffer_gets(struct imap_buffer
*b
, char **s
)
405 int start
= b
->offset
;
410 /* make sure we have enough data to read the \r\n sequence */
411 if (b
->offset
+ 1 >= b
->bytes
) {
413 /* shift down used bytes */
416 assert(start
<= b
->bytes
);
417 n
= b
->bytes
- start
;
420 memmove(b
->buf
, b
->buf
+ start
, n
);
426 n
= socket_read(&b
->sock
, b
->buf
+ b
->bytes
,
427 sizeof(b
->buf
) - b
->bytes
);
435 if (b
->buf
[b
->offset
] == '\r') {
436 assert(b
->offset
+ 1 < b
->bytes
);
437 if (b
->buf
[b
->offset
+ 1] == '\n') {
438 b
->buf
[b
->offset
] = 0; /* terminate the string */
439 b
->offset
+= 2; /* next line */
451 static void imap_info(const char *msg
, ...)
463 static void imap_warn(const char *msg
, ...)
469 vfprintf(stderr
, msg
, va
);
474 static char *next_arg(char **s
)
480 while (isspace((unsigned char) **s
))
489 *s
= strchr(*s
, '"');
492 while (**s
&& !isspace((unsigned char) **s
))
504 static void free_generic_messages(struct message
*msgs
)
506 struct message
*tmsg
;
508 for (; msgs
; msgs
= tmsg
) {
514 static int nfsnprintf(char *buf
, int blen
, const char *fmt
, ...)
520 if (blen
<= 0 || (unsigned)(ret
= vsnprintf(buf
, blen
, fmt
, va
)) >= (unsigned)blen
)
521 die("Fatal: buffer too small. Please report a bug.");
526 static struct imap_cmd
*v_issue_imap_cmd(struct imap_store
*ctx
,
527 struct imap_cmd_cb
*cb
,
528 const char *fmt
, va_list ap
)
530 struct imap
*imap
= ctx
->imap
;
531 struct imap_cmd
*cmd
;
535 cmd
= xmalloc(sizeof(struct imap_cmd
));
536 nfvasprintf(&cmd
->cmd
, fmt
, ap
);
537 cmd
->tag
= ++imap
->nexttag
;
542 memset(&cmd
->cb
, 0, sizeof(cmd
->cb
));
544 while (imap
->literal_pending
)
545 get_cmd_result(ctx
, NULL
);
548 bufl
= nfsnprintf(buf
, sizeof(buf
), "%d %s\r\n", cmd
->tag
, cmd
->cmd
);
550 bufl
= nfsnprintf(buf
, sizeof(buf
), "%d %s{%d%s}\r\n",
551 cmd
->tag
, cmd
->cmd
, cmd
->cb
.dlen
,
552 CAP(LITERALPLUS
) ? "+" : "");
555 if (imap
->num_in_progress
)
556 printf("(%d in progress) ", imap
->num_in_progress
);
557 if (memcmp(cmd
->cmd
, "LOGIN", 5))
558 printf(">>> %s", buf
);
560 printf(">>> %d LOGIN <user> <pass>\n", cmd
->tag
);
562 if (socket_write(&imap
->buf
.sock
, buf
, bufl
) != bufl
) {
570 if (CAP(LITERALPLUS
)) {
571 n
= socket_write(&imap
->buf
.sock
, cmd
->cb
.data
, cmd
->cb
.dlen
);
573 if (n
!= cmd
->cb
.dlen
||
574 socket_write(&imap
->buf
.sock
, "\r\n", 2) != 2) {
581 imap
->literal_pending
= 1;
582 } else if (cmd
->cb
.cont
)
583 imap
->literal_pending
= 1;
585 *imap
->in_progress_append
= cmd
;
586 imap
->in_progress_append
= &cmd
->next
;
587 imap
->num_in_progress
++;
591 __attribute__((format (printf
, 3, 4)))
592 static struct imap_cmd
*issue_imap_cmd(struct imap_store
*ctx
,
593 struct imap_cmd_cb
*cb
,
594 const char *fmt
, ...)
596 struct imap_cmd
*ret
;
600 ret
= v_issue_imap_cmd(ctx
, cb
, fmt
, ap
);
605 __attribute__((format (printf
, 3, 4)))
606 static int imap_exec(struct imap_store
*ctx
, struct imap_cmd_cb
*cb
,
607 const char *fmt
, ...)
610 struct imap_cmd
*cmdp
;
613 cmdp
= v_issue_imap_cmd(ctx
, cb
, fmt
, ap
);
618 return get_cmd_result(ctx
, cmdp
);
621 __attribute__((format (printf
, 3, 4)))
622 static int imap_exec_m(struct imap_store
*ctx
, struct imap_cmd_cb
*cb
,
623 const char *fmt
, ...)
626 struct imap_cmd
*cmdp
;
629 cmdp
= v_issue_imap_cmd(ctx
, cb
, fmt
, ap
);
632 return DRV_STORE_BAD
;
634 switch (get_cmd_result(ctx
, cmdp
)) {
635 case RESP_BAD
: return DRV_STORE_BAD
;
636 case RESP_NO
: return DRV_MSG_BAD
;
637 default: return DRV_OK
;
641 static int is_atom(struct imap_list
*list
)
643 return list
&& list
->val
&& list
->val
!= NIL
&& list
->val
!= LIST
;
646 static int is_list(struct imap_list
*list
)
648 return list
&& list
->val
== LIST
;
651 static void free_list(struct imap_list
*list
)
653 struct imap_list
*tmp
;
655 for (; list
; list
= tmp
) {
658 free_list(list
->child
);
659 else if (is_atom(list
))
665 static int parse_imap_list_l(struct imap
*imap
, char **sp
, struct imap_list
**curp
, int level
)
667 struct imap_list
*cur
;
672 while (isspace((unsigned char)*s
))
674 if (level
&& *s
== ')') {
678 *curp
= cur
= xmalloc(sizeof(*cur
));
680 cur
->val
= NULL
; /* for clean bail */
685 if (parse_imap_list_l(imap
, &s
, &cur
->child
, level
+ 1))
687 } else if (imap
&& *s
== '{') {
689 bytes
= cur
->len
= strtol(s
+ 1, &s
, 10);
693 s
= cur
->val
= xmalloc(cur
->len
);
695 /* dump whats left over in the input buffer */
696 n
= imap
->buf
.bytes
- imap
->buf
.offset
;
699 /* the entire message fit in the buffer */
702 memcpy(s
, imap
->buf
.buf
+ imap
->buf
.offset
, n
);
706 /* mark that we used part of the buffer */
707 imap
->buf
.offset
+= n
;
709 /* now read the rest of the message */
711 if ((n
= socket_read(&imap
->buf
.sock
, s
, bytes
)) <= 0)
717 if (buffer_gets(&imap
->buf
, &s
))
719 } else if (*s
== '"') {
723 for (; *s
!= '"'; s
++)
728 cur
->val
= xmemdupz(p
, cur
->len
);
732 for (; *s
&& !isspace((unsigned char)*s
); s
++)
733 if (level
&& *s
== ')')
736 if (cur
->len
== 3 && !memcmp("NIL", p
, 3))
739 cur
->val
= xmemdupz(p
, cur
->len
);
756 static struct imap_list
*parse_imap_list(struct imap
*imap
, char **sp
)
758 struct imap_list
*head
;
760 if (!parse_imap_list_l(imap
, sp
, &head
, 0))
766 static struct imap_list
*parse_list(char **sp
)
768 return parse_imap_list(NULL
, sp
);
771 static void parse_capability(struct imap
*imap
, char *cmd
)
776 imap
->caps
= 0x80000000;
777 while ((arg
= next_arg(&cmd
)))
778 for (i
= 0; i
< ARRAY_SIZE(cap_list
); i
++)
779 if (!strcmp(cap_list
[i
], arg
))
780 imap
->caps
|= 1 << i
;
781 imap
->rcaps
= imap
->caps
;
784 static int parse_response_code(struct imap_store
*ctx
, struct imap_cmd_cb
*cb
,
787 struct imap
*imap
= ctx
->imap
;
791 return RESP_OK
; /* no response code */
793 if (!(p
= strchr(s
, ']'))) {
794 fprintf(stderr
, "IMAP error: malformed response code\n");
799 if (!strcmp("UIDVALIDITY", arg
)) {
800 if (!(arg
= next_arg(&s
)) || !(ctx
->gen
.uidvalidity
= atoi(arg
))) {
801 fprintf(stderr
, "IMAP error: malformed UIDVALIDITY status\n");
804 } else if (!strcmp("UIDNEXT", arg
)) {
805 if (!(arg
= next_arg(&s
)) || !(imap
->uidnext
= atoi(arg
))) {
806 fprintf(stderr
, "IMAP error: malformed NEXTUID status\n");
809 } else if (!strcmp("CAPABILITY", arg
)) {
810 parse_capability(imap
, s
);
811 } else if (!strcmp("ALERT", arg
)) {
812 /* RFC2060 says that these messages MUST be displayed
815 for (; isspace((unsigned char)*p
); p
++);
816 fprintf(stderr
, "*** IMAP ALERT *** %s\n", p
);
817 } else if (cb
&& cb
->ctx
&& !strcmp("APPENDUID", arg
)) {
818 if (!(arg
= next_arg(&s
)) || !(ctx
->gen
.uidvalidity
= atoi(arg
)) ||
819 !(arg
= next_arg(&s
)) || !(*(int *)cb
->ctx
= atoi(arg
))) {
820 fprintf(stderr
, "IMAP error: malformed APPENDUID status\n");
827 static int get_cmd_result(struct imap_store
*ctx
, struct imap_cmd
*tcmd
)
829 struct imap
*imap
= ctx
->imap
;
830 struct imap_cmd
*cmdp
, **pcmdp
, *ncmdp
;
831 char *cmd
, *arg
, *arg1
, *p
;
832 int n
, resp
, resp2
, tag
;
835 if (buffer_gets(&imap
->buf
, &cmd
))
838 arg
= next_arg(&cmd
);
840 arg
= next_arg(&cmd
);
842 fprintf(stderr
, "IMAP error: unable to parse untagged response\n");
846 if (!strcmp("NAMESPACE", arg
)) {
847 imap
->ns_personal
= parse_list(&cmd
);
848 imap
->ns_other
= parse_list(&cmd
);
849 imap
->ns_shared
= parse_list(&cmd
);
850 } else if (!strcmp("OK", arg
) || !strcmp("BAD", arg
) ||
851 !strcmp("NO", arg
) || !strcmp("BYE", arg
)) {
852 if ((resp
= parse_response_code(ctx
, NULL
, cmd
)) != RESP_OK
)
854 } else if (!strcmp("CAPABILITY", arg
))
855 parse_capability(imap
, cmd
);
856 else if ((arg1
= next_arg(&cmd
))) {
857 if (!strcmp("EXISTS", arg1
))
858 ctx
->gen
.count
= atoi(arg
);
859 else if (!strcmp("RECENT", arg1
))
860 ctx
->gen
.recent
= atoi(arg
);
862 fprintf(stderr
, "IMAP error: unable to parse untagged response\n");
865 } else if (!imap
->in_progress
) {
866 fprintf(stderr
, "IMAP error: unexpected reply: %s %s\n", arg
, cmd
? cmd
: "");
868 } else if (*arg
== '+') {
869 /* This can happen only with the last command underway, as
870 it enforces a round-trip. */
871 cmdp
= (struct imap_cmd
*)((char *)imap
->in_progress_append
-
872 offsetof(struct imap_cmd
, next
));
874 n
= socket_write(&imap
->buf
.sock
, cmdp
->cb
.data
, cmdp
->cb
.dlen
);
876 cmdp
->cb
.data
= NULL
;
877 if (n
!= (int)cmdp
->cb
.dlen
)
879 } else if (cmdp
->cb
.cont
) {
880 if (cmdp
->cb
.cont(ctx
, cmdp
, cmd
))
883 fprintf(stderr
, "IMAP error: unexpected command continuation request\n");
886 if (socket_write(&imap
->buf
.sock
, "\r\n", 2) != 2)
889 imap
->literal_pending
= 0;
894 for (pcmdp
= &imap
->in_progress
; (cmdp
= *pcmdp
); pcmdp
= &cmdp
->next
)
895 if (cmdp
->tag
== tag
)
897 fprintf(stderr
, "IMAP error: unexpected tag %s\n", arg
);
900 if (!(*pcmdp
= cmdp
->next
))
901 imap
->in_progress_append
= pcmdp
;
902 imap
->num_in_progress
--;
903 if (cmdp
->cb
.cont
|| cmdp
->cb
.data
)
904 imap
->literal_pending
= 0;
905 arg
= next_arg(&cmd
);
906 if (!strcmp("OK", arg
))
909 if (!strcmp("NO", arg
)) {
910 if (cmdp
->cb
.create
&& cmd
&& (cmdp
->cb
.trycreate
|| !memcmp(cmd
, "[TRYCREATE]", 11))) { /* SELECT, APPEND or UID COPY */
911 p
= strchr(cmdp
->cmd
, '"');
912 if (!issue_imap_cmd(ctx
, NULL
, "CREATE \"%.*s\"", (int)(strchr(p
+ 1, '"') - p
+ 1), p
)) {
916 /* not waiting here violates the spec, but a server that does not
917 grok this nonetheless violates it too. */
919 if (!(ncmdp
= issue_imap_cmd(ctx
, &cmdp
->cb
, "%s", cmdp
->cmd
))) {
926 return 0; /* ignored */
932 } else /*if (!strcmp("BAD", arg))*/
934 fprintf(stderr
, "IMAP command '%s' returned response (%s) - %s\n",
935 memcmp(cmdp
->cmd
, "LOGIN", 5) ?
936 cmdp
->cmd
: "LOGIN <user> <pass>",
937 arg
, cmd
? cmd
: "");
939 if ((resp2
= parse_response_code(ctx
, &cmdp
->cb
, cmd
)) > resp
)
943 cmdp
->cb
.done(ctx
, cmdp
, resp
);
947 if (!tcmd
|| tcmd
== cmdp
)
954 static void imap_close_server(struct imap_store
*ictx
)
956 struct imap
*imap
= ictx
->imap
;
958 if (imap
->buf
.sock
.fd
[0] != -1) {
959 imap_exec(ictx
, NULL
, "LOGOUT");
960 socket_shutdown(&imap
->buf
.sock
);
962 free_list(imap
->ns_personal
);
963 free_list(imap
->ns_other
);
964 free_list(imap
->ns_shared
);
968 static void imap_close_store(struct store
*ctx
)
970 imap_close_server((struct imap_store
*)ctx
);
971 free_generic_messages(ctx
->msgs
);
978 * hexchar() and cram() functions are based on the code from the isync
979 * project (http://isync.sf.net/).
981 static char hexchar(unsigned int b
)
983 return b
< 10 ? '0' + b
: 'a' + (b
- 10);
986 #define ENCODED_SIZE(n) (4*((n+2)/3))
987 static char *cram(const char *challenge_64
, const char *user
, const char *pass
)
989 int i
, resp_len
, encoded_len
, decoded_len
;
991 unsigned char hash
[16];
993 char *response
, *response_64
, *challenge
;
996 * length of challenge_64 (i.e. base-64 encoded string) is a good
997 * enough upper bound for challenge (decoded result).
999 encoded_len
= strlen(challenge_64
);
1000 challenge
= xmalloc(encoded_len
);
1001 decoded_len
= EVP_DecodeBlock((unsigned char *)challenge
,
1002 (unsigned char *)challenge_64
, encoded_len
);
1003 if (decoded_len
< 0)
1004 die("invalid challenge %s", challenge_64
);
1005 HMAC_Init(&hmac
, (unsigned char *)pass
, strlen(pass
), EVP_md5());
1006 HMAC_Update(&hmac
, (unsigned char *)challenge
, decoded_len
);
1007 HMAC_Final(&hmac
, hash
, NULL
);
1008 HMAC_CTX_cleanup(&hmac
);
1011 for (i
= 0; i
< 16; i
++) {
1012 hex
[2 * i
] = hexchar((hash
[i
] >> 4) & 0xf);
1013 hex
[2 * i
+ 1] = hexchar(hash
[i
] & 0xf);
1016 /* response: "<user> <digest in hex>" */
1017 resp_len
= strlen(user
) + 1 + strlen(hex
) + 1;
1018 response
= xmalloc(resp_len
);
1019 sprintf(response
, "%s %s", user
, hex
);
1021 response_64
= xmalloc(ENCODED_SIZE(resp_len
) + 1);
1022 encoded_len
= EVP_EncodeBlock((unsigned char *)response_64
,
1023 (unsigned char *)response
, resp_len
);
1024 if (encoded_len
< 0)
1025 die("EVP_EncodeBlock error");
1026 response_64
[encoded_len
] = '\0';
1027 return (char *)response_64
;
1032 static char *cram(const char *challenge_64
, const char *user
, const char *pass
)
1034 die("If you want to use CRAM-MD5 authenticate method, "
1035 "you have to build git-imap-send with OpenSSL library.");
1040 static int auth_cram_md5(struct imap_store
*ctx
, struct imap_cmd
*cmd
, const char *prompt
)
1045 response
= cram(prompt
, server
.user
, server
.pass
);
1047 ret
= socket_write(&ctx
->imap
->buf
.sock
, response
, strlen(response
));
1048 if (ret
!= strlen(response
))
1049 return error("IMAP error: sending response failed\n");
1056 static struct store
*imap_open_store(struct imap_server_conf
*srvc
)
1058 struct imap_store
*ctx
;
1061 int s
= -1, preauth
;
1063 ctx
= xcalloc(sizeof(*ctx
), 1);
1065 ctx
->imap
= imap
= xcalloc(sizeof(*imap
), 1);
1066 imap
->buf
.sock
.fd
[0] = imap
->buf
.sock
.fd
[1] = -1;
1067 imap
->in_progress_append
= &imap
->in_progress
;
1069 /* open connection to IMAP server */
1072 const char *argv
[] = { srvc
->tunnel
, NULL
};
1073 struct child_process tunnel
= {NULL
};
1075 imap_info("Starting tunnel '%s'... ", srvc
->tunnel
);
1078 tunnel
.use_shell
= 1;
1081 if (start_command(&tunnel
))
1082 die("cannot start proxy %s", argv
[0]);
1084 imap
->buf
.sock
.fd
[0] = tunnel
.out
;
1085 imap
->buf
.sock
.fd
[1] = tunnel
.in
;
1090 struct addrinfo hints
, *ai0
, *ai
;
1094 snprintf(portstr
, sizeof(portstr
), "%d", srvc
->port
);
1096 memset(&hints
, 0, sizeof(hints
));
1097 hints
.ai_socktype
= SOCK_STREAM
;
1098 hints
.ai_protocol
= IPPROTO_TCP
;
1100 imap_info("Resolving %s... ", srvc
->host
);
1101 gai
= getaddrinfo(srvc
->host
, portstr
, &hints
, &ai
);
1103 fprintf(stderr
, "getaddrinfo: %s\n", gai_strerror(gai
));
1108 for (ai0
= ai
; ai
; ai
= ai
->ai_next
) {
1109 char addr
[NI_MAXHOST
];
1111 s
= socket(ai
->ai_family
, ai
->ai_socktype
,
1116 getnameinfo(ai
->ai_addr
, ai
->ai_addrlen
, addr
,
1117 sizeof(addr
), NULL
, 0, NI_NUMERICHOST
);
1118 imap_info("Connecting to [%s]:%s... ", addr
, portstr
);
1120 if (connect(s
, ai
->ai_addr
, ai
->ai_addrlen
) < 0) {
1132 struct sockaddr_in addr
;
1134 memset(&addr
, 0, sizeof(addr
));
1135 addr
.sin_port
= htons(srvc
->port
);
1136 addr
.sin_family
= AF_INET
;
1138 imap_info("Resolving %s... ", srvc
->host
);
1139 he
= gethostbyname(srvc
->host
);
1141 perror("gethostbyname");
1146 addr
.sin_addr
.s_addr
= *((int *) he
->h_addr_list
[0]);
1148 s
= socket(PF_INET
, SOCK_STREAM
, 0);
1150 imap_info("Connecting to %s:%hu... ", inet_ntoa(addr
.sin_addr
), ntohs(addr
.sin_port
));
1151 if (connect(s
, (struct sockaddr
*)&addr
, sizeof(addr
))) {
1158 fputs("Error: unable to connect to server.\n", stderr
);
1162 imap
->buf
.sock
.fd
[0] = s
;
1163 imap
->buf
.sock
.fd
[1] = dup(s
);
1165 if (srvc
->use_ssl
&&
1166 ssl_socket_connect(&imap
->buf
.sock
, 0, srvc
->ssl_verify
)) {
1173 /* read the greeting string */
1174 if (buffer_gets(&imap
->buf
, &rsp
)) {
1175 fprintf(stderr
, "IMAP error: no greeting response\n");
1178 arg
= next_arg(&rsp
);
1179 if (!arg
|| *arg
!= '*' || (arg
= next_arg(&rsp
)) == NULL
) {
1180 fprintf(stderr
, "IMAP error: invalid greeting response\n");
1184 if (!strcmp("PREAUTH", arg
))
1186 else if (strcmp("OK", arg
) != 0) {
1187 fprintf(stderr
, "IMAP error: unknown greeting response\n");
1190 parse_response_code(ctx
, NULL
, rsp
);
1191 if (!imap
->caps
&& imap_exec(ctx
, NULL
, "CAPABILITY") != RESP_OK
)
1196 if (!srvc
->use_ssl
&& CAP(STARTTLS
)) {
1197 if (imap_exec(ctx
, NULL
, "STARTTLS") != RESP_OK
)
1199 if (ssl_socket_connect(&imap
->buf
.sock
, 1,
1202 /* capabilities may have changed, so get the new capabilities */
1203 if (imap_exec(ctx
, NULL
, "CAPABILITY") != RESP_OK
)
1207 imap_info("Logging in...\n");
1209 fprintf(stderr
, "Skipping server %s, no user\n", srvc
->host
);
1213 struct strbuf prompt
= STRBUF_INIT
;
1214 strbuf_addf(&prompt
, "Password (%s@%s): ", srvc
->user
, srvc
->host
);
1215 arg
= git_getpass(prompt
.buf
);
1216 strbuf_release(&prompt
);
1218 fprintf(stderr
, "Skipping account %s@%s, no password\n", srvc
->user
, srvc
->host
);
1222 * getpass() returns a pointer to a static buffer. make a copy
1223 * for long term storage.
1225 srvc
->pass
= xstrdup(arg
);
1228 fprintf(stderr
, "Skipping account %s@%s, server forbids LOGIN\n", srvc
->user
, srvc
->host
);
1232 if (srvc
->auth_method
) {
1233 struct imap_cmd_cb cb
;
1235 if (!strcmp(srvc
->auth_method
, "CRAM-MD5")) {
1236 if (!CAP(AUTH_CRAM_MD5
)) {
1237 fprintf(stderr
, "You specified"
1238 "CRAM-MD5 as authentication method, "
1239 "but %s doesn't support it.\n", srvc
->host
);
1244 memset(&cb
, 0, sizeof(cb
));
1245 cb
.cont
= auth_cram_md5
;
1246 if (imap_exec(ctx
, &cb
, "AUTHENTICATE CRAM-MD5") != RESP_OK
) {
1247 fprintf(stderr
, "IMAP error: AUTHENTICATE CRAM-MD5 failed\n");
1251 fprintf(stderr
, "Unknown authentication method:%s\n", srvc
->host
);
1255 if (!imap
->buf
.sock
.ssl
)
1256 imap_warn("*** IMAP Warning *** Password is being "
1257 "sent in the clear\n");
1258 if (imap_exec(ctx
, NULL
, "LOGIN \"%s\" \"%s\"", srvc
->user
, srvc
->pass
) != RESP_OK
) {
1259 fprintf(stderr
, "IMAP error: LOGIN failed\n");
1267 return (struct store
*)ctx
;
1270 imap_close_store(&ctx
->gen
);
1274 static int imap_make_flags(int flags
, char *buf
)
1279 for (i
= d
= 0; i
< ARRAY_SIZE(Flags
); i
++)
1280 if (flags
& (1 << i
)) {
1283 for (s
= Flags
[i
]; *s
; s
++)
1291 static void lf_to_crlf(struct msg_data
*msg
)
1294 int i
, j
, lfnum
= 0;
1296 if (msg
->data
[0] == '\n')
1298 for (i
= 1; i
< msg
->len
; i
++) {
1299 if (msg
->data
[i
- 1] != '\r' && msg
->data
[i
] == '\n')
1303 new = xmalloc(msg
->len
+ lfnum
);
1304 if (msg
->data
[0] == '\n') {
1310 new[0] = msg
->data
[0];
1314 for ( ; i
< msg
->len
; i
++) {
1315 if (msg
->data
[i
] != '\n') {
1316 new[j
++] = msg
->data
[i
];
1319 if (msg
->data
[i
- 1] != '\r')
1321 /* otherwise it already had CR before */
1329 static int imap_store_msg(struct store
*gctx
, struct msg_data
*data
)
1331 struct imap_store
*ctx
= (struct imap_store
*)gctx
;
1332 struct imap
*imap
= ctx
->imap
;
1333 struct imap_cmd_cb cb
;
1334 const char *prefix
, *box
;
1339 memset(&cb
, 0, sizeof(cb
));
1341 cb
.dlen
= data
->len
;
1342 cb
.data
= xmalloc(cb
.dlen
);
1343 memcpy(cb
.data
, data
->data
, data
->len
);
1347 d
= imap_make_flags(data
->flags
, flagstr
);
1353 prefix
= !strcmp(box
, "INBOX") ? "" : ctx
->prefix
;
1355 ret
= imap_exec_m(ctx
, &cb
, "APPEND \"%s%s\" %s", prefix
, box
, flagstr
);
1356 imap
->caps
= imap
->rcaps
;
1364 static void encode_html_chars(struct strbuf
*p
)
1367 for (i
= 0; i
< p
->len
; i
++) {
1368 if (p
->buf
[i
] == '&')
1369 strbuf_splice(p
, i
, 1, "&", 5);
1370 if (p
->buf
[i
] == '<')
1371 strbuf_splice(p
, i
, 1, "<", 4);
1372 if (p
->buf
[i
] == '>')
1373 strbuf_splice(p
, i
, 1, ">", 4);
1374 if (p
->buf
[i
] == '"')
1375 strbuf_splice(p
, i
, 1, """, 6);
1378 static void wrap_in_html(struct msg_data
*msg
)
1380 struct strbuf buf
= STRBUF_INIT
;
1381 struct strbuf
**lines
;
1383 static char *content_type
= "Content-Type: text/html;\n";
1384 static char *pre_open
= "<pre>\n";
1385 static char *pre_close
= "</pre>\n";
1386 int added_header
= 0;
1388 strbuf_attach(&buf
, msg
->data
, msg
->len
, msg
->len
);
1389 lines
= strbuf_split(&buf
, '\n');
1390 strbuf_release(&buf
);
1391 for (p
= lines
; *p
; p
++) {
1392 if (! added_header
) {
1393 if ((*p
)->len
== 1 && *((*p
)->buf
) == '\n') {
1394 strbuf_addstr(&buf
, content_type
);
1395 strbuf_addbuf(&buf
, *p
);
1396 strbuf_addstr(&buf
, pre_open
);
1402 encode_html_chars(*p
);
1403 strbuf_addbuf(&buf
, *p
);
1405 strbuf_addstr(&buf
, pre_close
);
1406 strbuf_list_free(lines
);
1408 msg
->data
= strbuf_detach(&buf
, NULL
);
1411 #define CHUNKSIZE 0x1000
1413 static int read_message(FILE *f
, struct msg_data
*msg
)
1415 struct strbuf buf
= STRBUF_INIT
;
1417 memset(msg
, 0, sizeof(*msg
));
1420 if (strbuf_fread(&buf
, CHUNKSIZE
, f
) <= 0)
1425 msg
->data
= strbuf_detach(&buf
, NULL
);
1429 static int count_messages(struct msg_data
*msg
)
1432 char *p
= msg
->data
;
1435 if (!prefixcmp(p
, "From ")) {
1436 p
= strstr(p
+5, "\nFrom: ");
1438 p
= strstr(p
+7, "\nDate: ");
1440 p
= strstr(p
+7, "\nSubject: ");
1445 p
= strstr(p
+5, "\nFrom ");
1453 static int split_msg(struct msg_data
*all_msgs
, struct msg_data
*msg
, int *ofs
)
1457 memset(msg
, 0, sizeof *msg
);
1458 if (*ofs
>= all_msgs
->len
)
1461 data
= &all_msgs
->data
[*ofs
];
1462 msg
->len
= all_msgs
->len
- *ofs
;
1464 if (msg
->len
< 5 || prefixcmp(data
, "From "))
1467 p
= strchr(data
, '\n');
1475 p
= strstr(data
, "\nFrom ");
1477 msg
->len
= &p
[1] - data
;
1479 msg
->data
= xmemdupz(data
, msg
->len
);
1484 static char *imap_folder
;
1486 static int git_imap_config(const char *key
, const char *val
, void *cb
)
1488 char imap_key
[] = "imap.";
1490 if (strncmp(key
, imap_key
, sizeof imap_key
- 1))
1493 key
+= sizeof imap_key
- 1;
1495 /* check booleans first, and barf on others */
1496 if (!strcmp("sslverify", key
))
1497 server
.ssl_verify
= git_config_bool(key
, val
);
1498 else if (!strcmp("preformattedhtml", key
))
1499 server
.use_html
= git_config_bool(key
, val
);
1501 return config_error_nonbool(key
);
1503 if (!strcmp("folder", key
)) {
1504 imap_folder
= xstrdup(val
);
1505 } else if (!strcmp("host", key
)) {
1506 if (!prefixcmp(val
, "imap:"))
1508 else if (!prefixcmp(val
, "imaps:")) {
1512 if (!prefixcmp(val
, "//"))
1514 server
.host
= xstrdup(val
);
1515 } else if (!strcmp("user", key
))
1516 server
.user
= xstrdup(val
);
1517 else if (!strcmp("pass", key
))
1518 server
.pass
= xstrdup(val
);
1519 else if (!strcmp("port", key
))
1520 server
.port
= git_config_int(key
, val
);
1521 else if (!strcmp("tunnel", key
))
1522 server
.tunnel
= xstrdup(val
);
1523 else if (!strcmp("authmethod", key
))
1524 server
.auth_method
= xstrdup(val
);
1529 int main(int argc
, char **argv
)
1531 struct msg_data all_msgs
, msg
;
1532 struct store
*ctx
= NULL
;
1538 git_extract_argv0_path(argv
[0]);
1541 usage(imap_send_usage
);
1543 setup_git_directory_gently(&nongit_ok
);
1544 git_config(git_imap_config
, NULL
);
1547 server
.port
= server
.use_ssl
? 993 : 143;
1550 fprintf(stderr
, "no imap store specified\n");
1554 if (!server
.tunnel
) {
1555 fprintf(stderr
, "no imap host specified\n");
1558 server
.host
= "tunnel";
1561 /* read the messages */
1562 if (!read_message(stdin
, &all_msgs
)) {
1563 fprintf(stderr
, "nothing to send\n");
1567 total
= count_messages(&all_msgs
);
1569 fprintf(stderr
, "no messages to send\n");
1573 /* write it to the imap server */
1574 ctx
= imap_open_store(&server
);
1576 fprintf(stderr
, "failed to open store\n");
1580 fprintf(stderr
, "sending %d message%s\n", total
, (total
!= 1) ? "s" : "");
1581 ctx
->name
= imap_folder
;
1583 unsigned percent
= n
* 100 / total
;
1584 fprintf(stderr
, "%4u%% (%d/%d) done\r", percent
, n
, total
);
1585 if (!split_msg(&all_msgs
, &msg
, &ofs
))
1587 if (server
.use_html
)
1589 r
= imap_store_msg(ctx
, &msg
);
1594 fprintf(stderr
, "\n");
1596 imap_close_store(ctx
);