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>
37 /* currently open mailbox */
38 const char *name
; /* foreign! maybe preset? */
42 static const char imap_send_usage
[] = "git imap-send < <mbox>";
46 #define DRV_MSG_BAD -1
47 #define DRV_BOX_BAD -2
48 #define DRV_STORE_BAD -3
50 static int Verbose
, Quiet
;
52 __attribute__((format (printf
, 1, 2)))
53 static void imap_info(const char *, ...);
54 __attribute__((format (printf
, 1, 2)))
55 static void imap_warn(const char *, ...);
57 static char *next_arg(char **);
59 __attribute__((format (printf
, 3, 4)))
60 static int nfsnprintf(char *buf
, int blen
, const char *fmt
, ...);
62 static int nfvasprintf(char **strp
, const char *fmt
, va_list ap
)
67 len
= vsnprintf(tmp
, sizeof(tmp
), fmt
, ap
);
69 die("Fatal: Out of memory");
70 if (len
>= sizeof(tmp
))
71 die("imap command overflow!");
72 *strp
= xmemdupz(tmp
, len
);
76 struct imap_server_conf
{
89 static struct imap_server_conf server
= {
99 NULL
, /* auth_method */
108 struct imap_socket sock
;
117 int uidnext
; /* from SELECT responses */
118 unsigned caps
, rcaps
; /* CAPABILITY results */
120 int nexttag
, num_in_progress
, literal_pending
;
121 struct imap_cmd
*in_progress
, **in_progress_append
;
122 struct imap_buffer buf
; /* this is BIG, so put it last */
130 unsigned /*currentnc:1,*/ trashnc
:1;
134 int (*cont
)(struct imap_store
*ctx
, struct imap_cmd
*cmd
, const char *prompt
);
135 void (*done
)(struct imap_store
*ctx
, struct imap_cmd
*cmd
, int response
);
140 unsigned create
:1, trycreate
:1;
144 struct imap_cmd
*next
;
145 struct imap_cmd_cb cb
;
150 #define CAP(cap) (imap->caps & (1 << (cap)))
161 static const char *cap_list
[] = {
174 static int get_cmd_result(struct imap_store
*ctx
, struct imap_cmd
*tcmd
);
178 static void ssl_socket_perror(const char *func
)
180 fprintf(stderr
, "%s: %s\n", func
, ERR_error_string(ERR_get_error(), NULL
));
184 static void socket_perror(const char *func
, struct imap_socket
*sock
, int ret
)
188 int sslerr
= SSL_get_error(sock
->ssl
, ret
);
192 case SSL_ERROR_SYSCALL
:
193 perror("SSL_connect");
196 ssl_socket_perror("SSL_connect");
205 fprintf(stderr
, "%s: unexpected EOF\n", func
);
209 static int ssl_socket_connect(struct imap_socket
*sock
, int use_tls_only
, int verify
)
212 fprintf(stderr
, "SSL requested but SSL support not compiled in\n");
215 #if (OPENSSL_VERSION_NUMBER >= 0x10000000L)
216 const SSL_METHOD
*meth
;
224 SSL_load_error_strings();
227 meth
= TLSv1_method();
229 meth
= SSLv23_method();
232 ssl_socket_perror("SSLv23_method");
236 ctx
= SSL_CTX_new(meth
);
239 SSL_CTX_set_verify(ctx
, SSL_VERIFY_PEER
, NULL
);
241 if (!SSL_CTX_set_default_verify_paths(ctx
)) {
242 ssl_socket_perror("SSL_CTX_set_default_verify_paths");
245 sock
->ssl
= SSL_new(ctx
);
247 ssl_socket_perror("SSL_new");
250 if (!SSL_set_rfd(sock
->ssl
, sock
->fd
[0])) {
251 ssl_socket_perror("SSL_set_rfd");
254 if (!SSL_set_wfd(sock
->ssl
, sock
->fd
[1])) {
255 ssl_socket_perror("SSL_set_wfd");
259 ret
= SSL_connect(sock
->ssl
);
261 socket_perror("SSL_connect", sock
, ret
);
269 static int socket_read(struct imap_socket
*sock
, char *buf
, int len
)
274 n
= SSL_read(sock
->ssl
, buf
, len
);
277 n
= xread(sock
->fd
[0], buf
, len
);
279 socket_perror("read", sock
, n
);
282 sock
->fd
[0] = sock
->fd
[1] = -1;
287 static int socket_write(struct imap_socket
*sock
, const char *buf
, int len
)
292 n
= SSL_write(sock
->ssl
, buf
, len
);
295 n
= write_in_full(sock
->fd
[1], buf
, len
);
297 socket_perror("write", sock
, n
);
300 sock
->fd
[0] = sock
->fd
[1] = -1;
305 static void socket_shutdown(struct imap_socket
*sock
)
309 SSL_shutdown(sock
->ssl
);
317 /* simple line buffering */
318 static int buffer_gets(struct imap_buffer
*b
, char **s
)
321 int start
= b
->offset
;
326 /* make sure we have enough data to read the \r\n sequence */
327 if (b
->offset
+ 1 >= b
->bytes
) {
329 /* shift down used bytes */
332 assert(start
<= b
->bytes
);
333 n
= b
->bytes
- start
;
336 memmove(b
->buf
, b
->buf
+ start
, n
);
342 n
= socket_read(&b
->sock
, b
->buf
+ b
->bytes
,
343 sizeof(b
->buf
) - b
->bytes
);
351 if (b
->buf
[b
->offset
] == '\r') {
352 assert(b
->offset
+ 1 < b
->bytes
);
353 if (b
->buf
[b
->offset
+ 1] == '\n') {
354 b
->buf
[b
->offset
] = 0; /* terminate the string */
355 b
->offset
+= 2; /* next line */
367 static void imap_info(const char *msg
, ...)
379 static void imap_warn(const char *msg
, ...)
385 vfprintf(stderr
, msg
, va
);
390 static char *next_arg(char **s
)
396 while (isspace((unsigned char) **s
))
405 *s
= strchr(*s
, '"');
408 while (**s
&& !isspace((unsigned char) **s
))
420 static int nfsnprintf(char *buf
, int blen
, const char *fmt
, ...)
426 if (blen
<= 0 || (unsigned)(ret
= vsnprintf(buf
, blen
, fmt
, va
)) >= (unsigned)blen
)
427 die("Fatal: buffer too small. Please report a bug.");
432 static struct imap_cmd
*v_issue_imap_cmd(struct imap_store
*ctx
,
433 struct imap_cmd_cb
*cb
,
434 const char *fmt
, va_list ap
)
436 struct imap
*imap
= ctx
->imap
;
437 struct imap_cmd
*cmd
;
441 cmd
= xmalloc(sizeof(struct imap_cmd
));
442 nfvasprintf(&cmd
->cmd
, fmt
, ap
);
443 cmd
->tag
= ++imap
->nexttag
;
448 memset(&cmd
->cb
, 0, sizeof(cmd
->cb
));
450 while (imap
->literal_pending
)
451 get_cmd_result(ctx
, NULL
);
454 bufl
= nfsnprintf(buf
, sizeof(buf
), "%d %s\r\n", cmd
->tag
, cmd
->cmd
);
456 bufl
= nfsnprintf(buf
, sizeof(buf
), "%d %s{%d%s}\r\n",
457 cmd
->tag
, cmd
->cmd
, cmd
->cb
.dlen
,
458 CAP(LITERALPLUS
) ? "+" : "");
461 if (imap
->num_in_progress
)
462 printf("(%d in progress) ", imap
->num_in_progress
);
463 if (memcmp(cmd
->cmd
, "LOGIN", 5))
464 printf(">>> %s", buf
);
466 printf(">>> %d LOGIN <user> <pass>\n", cmd
->tag
);
468 if (socket_write(&imap
->buf
.sock
, buf
, bufl
) != bufl
) {
476 if (CAP(LITERALPLUS
)) {
477 n
= socket_write(&imap
->buf
.sock
, cmd
->cb
.data
, cmd
->cb
.dlen
);
479 if (n
!= cmd
->cb
.dlen
||
480 socket_write(&imap
->buf
.sock
, "\r\n", 2) != 2) {
487 imap
->literal_pending
= 1;
488 } else if (cmd
->cb
.cont
)
489 imap
->literal_pending
= 1;
491 *imap
->in_progress_append
= cmd
;
492 imap
->in_progress_append
= &cmd
->next
;
493 imap
->num_in_progress
++;
497 __attribute__((format (printf
, 3, 4)))
498 static struct imap_cmd
*issue_imap_cmd(struct imap_store
*ctx
,
499 struct imap_cmd_cb
*cb
,
500 const char *fmt
, ...)
502 struct imap_cmd
*ret
;
506 ret
= v_issue_imap_cmd(ctx
, cb
, fmt
, ap
);
511 __attribute__((format (printf
, 3, 4)))
512 static int imap_exec(struct imap_store
*ctx
, struct imap_cmd_cb
*cb
,
513 const char *fmt
, ...)
516 struct imap_cmd
*cmdp
;
519 cmdp
= v_issue_imap_cmd(ctx
, cb
, fmt
, ap
);
524 return get_cmd_result(ctx
, cmdp
);
527 __attribute__((format (printf
, 3, 4)))
528 static int imap_exec_m(struct imap_store
*ctx
, struct imap_cmd_cb
*cb
,
529 const char *fmt
, ...)
532 struct imap_cmd
*cmdp
;
535 cmdp
= v_issue_imap_cmd(ctx
, cb
, fmt
, ap
);
538 return DRV_STORE_BAD
;
540 switch (get_cmd_result(ctx
, cmdp
)) {
541 case RESP_BAD
: return DRV_STORE_BAD
;
542 case RESP_NO
: return DRV_MSG_BAD
;
543 default: return DRV_OK
;
547 static int skip_imap_list_l(char **sp
, int level
)
552 while (isspace((unsigned char)*s
))
554 if (level
&& *s
== ')') {
561 if (skip_imap_list_l(&s
, level
+ 1))
563 } else if (*s
== '"') {
566 for (; *s
!= '"'; s
++)
572 for (; *s
&& !isspace((unsigned char)*s
); s
++)
573 if (level
&& *s
== ')')
589 static void skip_list(char **sp
)
591 skip_imap_list_l(sp
, 0);
594 static void parse_capability(struct imap
*imap
, char *cmd
)
599 imap
->caps
= 0x80000000;
600 while ((arg
= next_arg(&cmd
)))
601 for (i
= 0; i
< ARRAY_SIZE(cap_list
); i
++)
602 if (!strcmp(cap_list
[i
], arg
))
603 imap
->caps
|= 1 << i
;
604 imap
->rcaps
= imap
->caps
;
607 static int parse_response_code(struct imap_store
*ctx
, struct imap_cmd_cb
*cb
,
610 struct imap
*imap
= ctx
->imap
;
614 return RESP_OK
; /* no response code */
616 if (!(p
= strchr(s
, ']'))) {
617 fprintf(stderr
, "IMAP error: malformed response code\n");
622 if (!strcmp("UIDVALIDITY", arg
)) {
623 if (!(arg
= next_arg(&s
)) || !(ctx
->gen
.uidvalidity
= atoi(arg
))) {
624 fprintf(stderr
, "IMAP error: malformed UIDVALIDITY status\n");
627 } else if (!strcmp("UIDNEXT", arg
)) {
628 if (!(arg
= next_arg(&s
)) || !(imap
->uidnext
= atoi(arg
))) {
629 fprintf(stderr
, "IMAP error: malformed NEXTUID status\n");
632 } else if (!strcmp("CAPABILITY", arg
)) {
633 parse_capability(imap
, s
);
634 } else if (!strcmp("ALERT", arg
)) {
635 /* RFC2060 says that these messages MUST be displayed
638 for (; isspace((unsigned char)*p
); p
++);
639 fprintf(stderr
, "*** IMAP ALERT *** %s\n", p
);
640 } else if (cb
&& cb
->ctx
&& !strcmp("APPENDUID", arg
)) {
641 if (!(arg
= next_arg(&s
)) || !(ctx
->gen
.uidvalidity
= atoi(arg
)) ||
642 !(arg
= next_arg(&s
)) || !(*(int *)cb
->ctx
= atoi(arg
))) {
643 fprintf(stderr
, "IMAP error: malformed APPENDUID status\n");
650 static int get_cmd_result(struct imap_store
*ctx
, struct imap_cmd
*tcmd
)
652 struct imap
*imap
= ctx
->imap
;
653 struct imap_cmd
*cmdp
, **pcmdp
, *ncmdp
;
654 char *cmd
, *arg
, *arg1
, *p
;
655 int n
, resp
, resp2
, tag
;
658 if (buffer_gets(&imap
->buf
, &cmd
))
661 arg
= next_arg(&cmd
);
663 arg
= next_arg(&cmd
);
665 fprintf(stderr
, "IMAP error: unable to parse untagged response\n");
669 if (!strcmp("NAMESPACE", arg
)) {
670 /* rfc2342 NAMESPACE response. */
671 skip_list(&cmd
); /* Personal mailboxes */
672 skip_list(&cmd
); /* Others' mailboxes */
673 skip_list(&cmd
); /* Shared mailboxes */
674 } else if (!strcmp("OK", arg
) || !strcmp("BAD", arg
) ||
675 !strcmp("NO", arg
) || !strcmp("BYE", arg
)) {
676 if ((resp
= parse_response_code(ctx
, NULL
, cmd
)) != RESP_OK
)
678 } else if (!strcmp("CAPABILITY", arg
)) {
679 parse_capability(imap
, cmd
);
680 } else if ((arg1
= next_arg(&cmd
))) {
682 * Unhandled response-data with at least two words.
685 * NEEDSWORK: Previously this case handled '<num> EXISTS'
686 * and '<num> RECENT' but as a probably-unintended side
687 * effect it ignores other unrecognized two-word
688 * responses. imap-send doesn't ever try to read
689 * messages or mailboxes these days, so consider
690 * eliminating this case.
693 fprintf(stderr
, "IMAP error: unable to parse untagged response\n");
696 } else if (!imap
->in_progress
) {
697 fprintf(stderr
, "IMAP error: unexpected reply: %s %s\n", arg
, cmd
? cmd
: "");
699 } else if (*arg
== '+') {
700 /* This can happen only with the last command underway, as
701 it enforces a round-trip. */
702 cmdp
= (struct imap_cmd
*)((char *)imap
->in_progress_append
-
703 offsetof(struct imap_cmd
, next
));
705 n
= socket_write(&imap
->buf
.sock
, cmdp
->cb
.data
, cmdp
->cb
.dlen
);
707 cmdp
->cb
.data
= NULL
;
708 if (n
!= (int)cmdp
->cb
.dlen
)
710 } else if (cmdp
->cb
.cont
) {
711 if (cmdp
->cb
.cont(ctx
, cmdp
, cmd
))
714 fprintf(stderr
, "IMAP error: unexpected command continuation request\n");
717 if (socket_write(&imap
->buf
.sock
, "\r\n", 2) != 2)
720 imap
->literal_pending
= 0;
725 for (pcmdp
= &imap
->in_progress
; (cmdp
= *pcmdp
); pcmdp
= &cmdp
->next
)
726 if (cmdp
->tag
== tag
)
728 fprintf(stderr
, "IMAP error: unexpected tag %s\n", arg
);
731 if (!(*pcmdp
= cmdp
->next
))
732 imap
->in_progress_append
= pcmdp
;
733 imap
->num_in_progress
--;
734 if (cmdp
->cb
.cont
|| cmdp
->cb
.data
)
735 imap
->literal_pending
= 0;
736 arg
= next_arg(&cmd
);
737 if (!strcmp("OK", arg
))
740 if (!strcmp("NO", arg
)) {
741 if (cmdp
->cb
.create
&& cmd
&& (cmdp
->cb
.trycreate
|| !memcmp(cmd
, "[TRYCREATE]", 11))) { /* SELECT, APPEND or UID COPY */
742 p
= strchr(cmdp
->cmd
, '"');
743 if (!issue_imap_cmd(ctx
, NULL
, "CREATE \"%.*s\"", (int)(strchr(p
+ 1, '"') - p
+ 1), p
)) {
747 /* not waiting here violates the spec, but a server that does not
748 grok this nonetheless violates it too. */
750 if (!(ncmdp
= issue_imap_cmd(ctx
, &cmdp
->cb
, "%s", cmdp
->cmd
))) {
757 return 0; /* ignored */
763 } else /*if (!strcmp("BAD", arg))*/
765 fprintf(stderr
, "IMAP command '%s' returned response (%s) - %s\n",
766 memcmp(cmdp
->cmd
, "LOGIN", 5) ?
767 cmdp
->cmd
: "LOGIN <user> <pass>",
768 arg
, cmd
? cmd
: "");
770 if ((resp2
= parse_response_code(ctx
, &cmdp
->cb
, cmd
)) > resp
)
774 cmdp
->cb
.done(ctx
, cmdp
, resp
);
778 if (!tcmd
|| tcmd
== cmdp
)
785 static void imap_close_server(struct imap_store
*ictx
)
787 struct imap
*imap
= ictx
->imap
;
789 if (imap
->buf
.sock
.fd
[0] != -1) {
790 imap_exec(ictx
, NULL
, "LOGOUT");
791 socket_shutdown(&imap
->buf
.sock
);
796 static void imap_close_store(struct store
*ctx
)
798 imap_close_server((struct imap_store
*)ctx
);
805 * hexchar() and cram() functions are based on the code from the isync
806 * project (http://isync.sf.net/).
808 static char hexchar(unsigned int b
)
810 return b
< 10 ? '0' + b
: 'a' + (b
- 10);
813 #define ENCODED_SIZE(n) (4*((n+2)/3))
814 static char *cram(const char *challenge_64
, const char *user
, const char *pass
)
816 int i
, resp_len
, encoded_len
, decoded_len
;
818 unsigned char hash
[16];
820 char *response
, *response_64
, *challenge
;
823 * length of challenge_64 (i.e. base-64 encoded string) is a good
824 * enough upper bound for challenge (decoded result).
826 encoded_len
= strlen(challenge_64
);
827 challenge
= xmalloc(encoded_len
);
828 decoded_len
= EVP_DecodeBlock((unsigned char *)challenge
,
829 (unsigned char *)challenge_64
, encoded_len
);
831 die("invalid challenge %s", challenge_64
);
832 HMAC_Init(&hmac
, (unsigned char *)pass
, strlen(pass
), EVP_md5());
833 HMAC_Update(&hmac
, (unsigned char *)challenge
, decoded_len
);
834 HMAC_Final(&hmac
, hash
, NULL
);
835 HMAC_CTX_cleanup(&hmac
);
838 for (i
= 0; i
< 16; i
++) {
839 hex
[2 * i
] = hexchar((hash
[i
] >> 4) & 0xf);
840 hex
[2 * i
+ 1] = hexchar(hash
[i
] & 0xf);
843 /* response: "<user> <digest in hex>" */
844 resp_len
= strlen(user
) + 1 + strlen(hex
) + 1;
845 response
= xmalloc(resp_len
);
846 sprintf(response
, "%s %s", user
, hex
);
848 response_64
= xmalloc(ENCODED_SIZE(resp_len
) + 1);
849 encoded_len
= EVP_EncodeBlock((unsigned char *)response_64
,
850 (unsigned char *)response
, resp_len
);
852 die("EVP_EncodeBlock error");
853 response_64
[encoded_len
] = '\0';
854 return (char *)response_64
;
859 static char *cram(const char *challenge_64
, const char *user
, const char *pass
)
861 die("If you want to use CRAM-MD5 authenticate method, "
862 "you have to build git-imap-send with OpenSSL library.");
867 static int auth_cram_md5(struct imap_store
*ctx
, struct imap_cmd
*cmd
, const char *prompt
)
872 response
= cram(prompt
, server
.user
, server
.pass
);
874 ret
= socket_write(&ctx
->imap
->buf
.sock
, response
, strlen(response
));
875 if (ret
!= strlen(response
))
876 return error("IMAP error: sending response failed");
883 static struct store
*imap_open_store(struct imap_server_conf
*srvc
)
885 struct imap_store
*ctx
;
890 ctx
= xcalloc(sizeof(*ctx
), 1);
892 ctx
->imap
= imap
= xcalloc(sizeof(*imap
), 1);
893 imap
->buf
.sock
.fd
[0] = imap
->buf
.sock
.fd
[1] = -1;
894 imap
->in_progress_append
= &imap
->in_progress
;
896 /* open connection to IMAP server */
899 const char *argv
[] = { srvc
->tunnel
, NULL
};
900 struct child_process tunnel
= {NULL
};
902 imap_info("Starting tunnel '%s'... ", srvc
->tunnel
);
905 tunnel
.use_shell
= 1;
908 if (start_command(&tunnel
))
909 die("cannot start proxy %s", argv
[0]);
911 imap
->buf
.sock
.fd
[0] = tunnel
.out
;
912 imap
->buf
.sock
.fd
[1] = tunnel
.in
;
917 struct addrinfo hints
, *ai0
, *ai
;
921 snprintf(portstr
, sizeof(portstr
), "%d", srvc
->port
);
923 memset(&hints
, 0, sizeof(hints
));
924 hints
.ai_socktype
= SOCK_STREAM
;
925 hints
.ai_protocol
= IPPROTO_TCP
;
927 imap_info("Resolving %s... ", srvc
->host
);
928 gai
= getaddrinfo(srvc
->host
, portstr
, &hints
, &ai
);
930 fprintf(stderr
, "getaddrinfo: %s\n", gai_strerror(gai
));
935 for (ai0
= ai
; ai
; ai
= ai
->ai_next
) {
936 char addr
[NI_MAXHOST
];
938 s
= socket(ai
->ai_family
, ai
->ai_socktype
,
943 getnameinfo(ai
->ai_addr
, ai
->ai_addrlen
, addr
,
944 sizeof(addr
), NULL
, 0, NI_NUMERICHOST
);
945 imap_info("Connecting to [%s]:%s... ", addr
, portstr
);
947 if (connect(s
, ai
->ai_addr
, ai
->ai_addrlen
) < 0) {
959 struct sockaddr_in addr
;
961 memset(&addr
, 0, sizeof(addr
));
962 addr
.sin_port
= htons(srvc
->port
);
963 addr
.sin_family
= AF_INET
;
965 imap_info("Resolving %s... ", srvc
->host
);
966 he
= gethostbyname(srvc
->host
);
968 perror("gethostbyname");
973 addr
.sin_addr
.s_addr
= *((int *) he
->h_addr_list
[0]);
975 s
= socket(PF_INET
, SOCK_STREAM
, 0);
977 imap_info("Connecting to %s:%hu... ", inet_ntoa(addr
.sin_addr
), ntohs(addr
.sin_port
));
978 if (connect(s
, (struct sockaddr
*)&addr
, sizeof(addr
))) {
985 fputs("Error: unable to connect to server.\n", stderr
);
989 imap
->buf
.sock
.fd
[0] = s
;
990 imap
->buf
.sock
.fd
[1] = dup(s
);
993 ssl_socket_connect(&imap
->buf
.sock
, 0, srvc
->ssl_verify
)) {
1000 /* read the greeting string */
1001 if (buffer_gets(&imap
->buf
, &rsp
)) {
1002 fprintf(stderr
, "IMAP error: no greeting response\n");
1005 arg
= next_arg(&rsp
);
1006 if (!arg
|| *arg
!= '*' || (arg
= next_arg(&rsp
)) == NULL
) {
1007 fprintf(stderr
, "IMAP error: invalid greeting response\n");
1011 if (!strcmp("PREAUTH", arg
))
1013 else if (strcmp("OK", arg
) != 0) {
1014 fprintf(stderr
, "IMAP error: unknown greeting response\n");
1017 parse_response_code(ctx
, NULL
, rsp
);
1018 if (!imap
->caps
&& imap_exec(ctx
, NULL
, "CAPABILITY") != RESP_OK
)
1023 if (!srvc
->use_ssl
&& CAP(STARTTLS
)) {
1024 if (imap_exec(ctx
, NULL
, "STARTTLS") != RESP_OK
)
1026 if (ssl_socket_connect(&imap
->buf
.sock
, 1,
1029 /* capabilities may have changed, so get the new capabilities */
1030 if (imap_exec(ctx
, NULL
, "CAPABILITY") != RESP_OK
)
1034 imap_info("Logging in...\n");
1036 fprintf(stderr
, "Skipping server %s, no user\n", srvc
->host
);
1040 struct strbuf prompt
= STRBUF_INIT
;
1041 strbuf_addf(&prompt
, "Password (%s@%s): ", srvc
->user
, srvc
->host
);
1042 arg
= git_getpass(prompt
.buf
);
1043 strbuf_release(&prompt
);
1045 fprintf(stderr
, "Skipping account %s@%s, no password\n", srvc
->user
, srvc
->host
);
1049 * getpass() returns a pointer to a static buffer. make a copy
1050 * for long term storage.
1052 srvc
->pass
= xstrdup(arg
);
1055 fprintf(stderr
, "Skipping account %s@%s, server forbids LOGIN\n", srvc
->user
, srvc
->host
);
1059 if (srvc
->auth_method
) {
1060 struct imap_cmd_cb cb
;
1062 if (!strcmp(srvc
->auth_method
, "CRAM-MD5")) {
1063 if (!CAP(AUTH_CRAM_MD5
)) {
1064 fprintf(stderr
, "You specified"
1065 "CRAM-MD5 as authentication method, "
1066 "but %s doesn't support it.\n", srvc
->host
);
1071 memset(&cb
, 0, sizeof(cb
));
1072 cb
.cont
= auth_cram_md5
;
1073 if (imap_exec(ctx
, &cb
, "AUTHENTICATE CRAM-MD5") != RESP_OK
) {
1074 fprintf(stderr
, "IMAP error: AUTHENTICATE CRAM-MD5 failed\n");
1078 fprintf(stderr
, "Unknown authentication method:%s\n", srvc
->host
);
1082 if (!imap
->buf
.sock
.ssl
)
1083 imap_warn("*** IMAP Warning *** Password is being "
1084 "sent in the clear\n");
1085 if (imap_exec(ctx
, NULL
, "LOGIN \"%s\" \"%s\"", srvc
->user
, srvc
->pass
) != RESP_OK
) {
1086 fprintf(stderr
, "IMAP error: LOGIN failed\n");
1094 return (struct store
*)ctx
;
1097 imap_close_store(&ctx
->gen
);
1101 static void lf_to_crlf(struct strbuf
*msg
)
1105 int i
, j
, lfnum
= 0;
1107 if (msg
->buf
[0] == '\n')
1109 for (i
= 1; i
< msg
->len
; i
++) {
1110 if (msg
->buf
[i
- 1] != '\r' && msg
->buf
[i
] == '\n')
1114 new_len
= msg
->len
+ lfnum
;
1115 new = xmalloc(new_len
+ 1);
1116 if (msg
->buf
[0] == '\n') {
1122 new[0] = msg
->buf
[0];
1126 for ( ; i
< msg
->len
; i
++) {
1127 if (msg
->buf
[i
] != '\n') {
1128 new[j
++] = msg
->buf
[i
];
1131 if (msg
->buf
[i
- 1] != '\r')
1133 /* otherwise it already had CR before */
1136 strbuf_attach(msg
, new, new_len
, new_len
+ 1);
1140 * Store msg to IMAP. Also detach and free the data from msg->data,
1141 * leaving msg->data empty.
1143 static int imap_store_msg(struct store
*gctx
, struct strbuf
*msg
)
1145 struct imap_store
*ctx
= (struct imap_store
*)gctx
;
1146 struct imap
*imap
= ctx
->imap
;
1147 struct imap_cmd_cb cb
;
1148 const char *prefix
, *box
;
1152 memset(&cb
, 0, sizeof(cb
));
1155 cb
.data
= strbuf_detach(msg
, NULL
);
1158 prefix
= !strcmp(box
, "INBOX") ? "" : ctx
->prefix
;
1160 ret
= imap_exec_m(ctx
, &cb
, "APPEND \"%s%s\" ", prefix
, box
);
1161 imap
->caps
= imap
->rcaps
;
1168 static void wrap_in_html(struct strbuf
*msg
)
1170 struct strbuf buf
= STRBUF_INIT
;
1171 static char *content_type
= "Content-Type: text/html;\n";
1172 static char *pre_open
= "<pre>\n";
1173 static char *pre_close
= "</pre>\n";
1174 const char *body
= strstr(msg
->buf
, "\n\n");
1177 return; /* Headers but no body; no wrapping needed */
1181 strbuf_add(&buf
, msg
->buf
, body
- msg
->buf
- 1);
1182 strbuf_addstr(&buf
, content_type
);
1183 strbuf_addch(&buf
, '\n');
1184 strbuf_addstr(&buf
, pre_open
);
1185 strbuf_addstr_xml_quoted(&buf
, body
);
1186 strbuf_addstr(&buf
, pre_close
);
1188 strbuf_release(msg
);
1192 #define CHUNKSIZE 0x1000
1194 static int read_message(FILE *f
, struct strbuf
*all_msgs
)
1197 if (strbuf_fread(all_msgs
, CHUNKSIZE
, f
) <= 0)
1201 return ferror(f
) ? -1 : 0;
1204 static int count_messages(struct strbuf
*all_msgs
)
1207 char *p
= all_msgs
->buf
;
1210 if (!prefixcmp(p
, "From ")) {
1211 p
= strstr(p
+5, "\nFrom: ");
1213 p
= strstr(p
+7, "\nDate: ");
1215 p
= strstr(p
+7, "\nSubject: ");
1220 p
= strstr(p
+5, "\nFrom ");
1229 * Copy the next message from all_msgs, starting at offset *ofs, to
1230 * msg. Update *ofs to the start of the following message. Return
1231 * true iff a message was successfully copied.
1233 static int split_msg(struct strbuf
*all_msgs
, struct strbuf
*msg
, int *ofs
)
1238 if (*ofs
>= all_msgs
->len
)
1241 data
= &all_msgs
->buf
[*ofs
];
1242 len
= all_msgs
->len
- *ofs
;
1244 if (len
< 5 || prefixcmp(data
, "From "))
1247 p
= strchr(data
, '\n');
1255 p
= strstr(data
, "\nFrom ");
1259 strbuf_add(msg
, data
, len
);
1264 static char *imap_folder
;
1266 static int git_imap_config(const char *key
, const char *val
, void *cb
)
1268 char imap_key
[] = "imap.";
1270 if (strncmp(key
, imap_key
, sizeof imap_key
- 1))
1273 key
+= sizeof imap_key
- 1;
1275 /* check booleans first, and barf on others */
1276 if (!strcmp("sslverify", key
))
1277 server
.ssl_verify
= git_config_bool(key
, val
);
1278 else if (!strcmp("preformattedhtml", key
))
1279 server
.use_html
= git_config_bool(key
, val
);
1281 return config_error_nonbool(key
);
1283 if (!strcmp("folder", key
)) {
1284 imap_folder
= xstrdup(val
);
1285 } else if (!strcmp("host", key
)) {
1286 if (!prefixcmp(val
, "imap:"))
1288 else if (!prefixcmp(val
, "imaps:")) {
1292 if (!prefixcmp(val
, "//"))
1294 server
.host
= xstrdup(val
);
1295 } else if (!strcmp("user", key
))
1296 server
.user
= xstrdup(val
);
1297 else if (!strcmp("pass", key
))
1298 server
.pass
= xstrdup(val
);
1299 else if (!strcmp("port", key
))
1300 server
.port
= git_config_int(key
, val
);
1301 else if (!strcmp("tunnel", key
))
1302 server
.tunnel
= xstrdup(val
);
1303 else if (!strcmp("authmethod", key
))
1304 server
.auth_method
= xstrdup(val
);
1309 int main(int argc
, char **argv
)
1311 struct strbuf all_msgs
= STRBUF_INIT
;
1312 struct strbuf msg
= STRBUF_INIT
;
1313 struct store
*ctx
= NULL
;
1319 git_extract_argv0_path(argv
[0]);
1321 git_setup_gettext();
1324 usage(imap_send_usage
);
1326 setup_git_directory_gently(&nongit_ok
);
1327 git_config(git_imap_config
, NULL
);
1330 server
.port
= server
.use_ssl
? 993 : 143;
1333 fprintf(stderr
, "no imap store specified\n");
1337 if (!server
.tunnel
) {
1338 fprintf(stderr
, "no imap host specified\n");
1341 server
.host
= "tunnel";
1344 /* read the messages */
1345 if (read_message(stdin
, &all_msgs
)) {
1346 fprintf(stderr
, "error reading input\n");
1350 if (all_msgs
.len
== 0) {
1351 fprintf(stderr
, "nothing to send\n");
1355 total
= count_messages(&all_msgs
);
1357 fprintf(stderr
, "no messages to send\n");
1361 /* write it to the imap server */
1362 ctx
= imap_open_store(&server
);
1364 fprintf(stderr
, "failed to open store\n");
1368 fprintf(stderr
, "sending %d message%s\n", total
, (total
!= 1) ? "s" : "");
1369 ctx
->name
= imap_folder
;
1371 unsigned percent
= n
* 100 / total
;
1373 fprintf(stderr
, "%4u%% (%d/%d) done\r", percent
, n
, total
);
1374 if (!split_msg(&all_msgs
, &msg
, &ofs
))
1376 if (server
.use_html
)
1378 r
= imap_store_msg(ctx
, &msg
);
1383 fprintf(stderr
, "\n");
1385 imap_close_store(ctx
);