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"
34 const char *path; /* should this be here? its interpretation is driver-specific */
37 unsigned max_size; /* off_t is overkill */
38 unsigned trash_remote_new:1, trash_only_new:1;
42 struct string_list *next;
47 struct channel_conf *next;
49 struct store_conf *master, *slave;
50 char *master_name, *slave_name;
52 struct string_list *patterns;
54 unsigned max_messages; /* for slave only */
58 struct group_conf *next;
60 struct string_list *channels;
63 /* For message->status */
64 #define M_RECENT (1<<0) /* unsyncable flag; maildir_* depend on this being 1<<0 */
65 #define M_DEAD (1<<1) /* expunged */
66 #define M_FLAGS (1<<2) /* flags fetched */
70 /* struct string_list *keywords; */
71 size_t size; /* zero implies "not fetched" */
73 unsigned char flags, status;
77 struct store_conf *conf; /* foreign */
79 /* currently open mailbox */
80 const char *name; /* foreign! maybe preset? */
82 struct message *msgs; /* own */
84 unsigned char opts; /* maybe preset? */
85 /* note that the following do _not_ reflect stats from msgs, but mailbox totals */
86 int count; /* # of messages */
87 int recent; /* # of recent messages - don't trust this beyond the initial read */
96 static const char imap_send_usage[] = "git imap-send < <mbox>";
100 #define DRV_MSG_BAD -1
101 #define DRV_BOX_BAD -2
102 #define DRV_STORE_BAD -3
104 static int Verbose, Quiet;
106 __attribute__((format (printf, 1, 2)))
107 static void imap_info(const char *, ...);
108 __attribute__((format (printf, 1, 2)))
109 static void imap_warn(const char *, ...);
111 static char *next_arg(char **);
113 static void free_generic_messages(struct message *);
115 __attribute__((format (printf, 3, 4)))
116 static int nfsnprintf(char *buf, int blen, const char *fmt, ...);
118 static int nfvasprintf(char **strp, const char *fmt, va_list ap)
123 len = vsnprintf(tmp, sizeof(tmp), fmt, ap);
125 die("Fatal: Out of memory");
126 if (len >= sizeof(tmp))
127 die("imap command overflow!");
128 *strp = xmemdupz(tmp, len);
132 struct imap_server_conf {
144 struct imap_store_conf {
145 struct store_conf gen;
146 struct imap_server_conf *server;
147 unsigned use_namespace:1;
150 #define NIL (void *)0x1
151 #define LIST (void *)0x2
154 struct imap_list *next, *child;
165 struct imap_socket sock;
174 int uidnext; /* from SELECT responses */
175 struct imap_list *ns_personal, *ns_other, *ns_shared; /* NAMESPACE info */
176 unsigned caps, rcaps; /* CAPABILITY results */
178 int nexttag, num_in_progress, literal_pending;
179 struct imap_cmd *in_progress, **in_progress_append;
180 struct imap_buffer buf; /* this is BIG, so put it last */
188 unsigned /*currentnc:1,*/ trashnc:1;
192 int (*cont)(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt);
193 void (*done)(struct imap_store *ctx, struct imap_cmd *cmd, int response);
198 unsigned create:1, trycreate:1;
202 struct imap_cmd *next;
203 struct imap_cmd_cb cb;
208 #define CAP(cap) (imap->caps & (1 << (cap)))
218 static const char *cap_list[] = {
230 static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd);
233 static const char *Flags[] = {
242 static void ssl_socket_perror(const char *func)
244 fprintf(stderr, "%s: %s\n", func, ERR_error_string(ERR_get_error(), NULL));
248 static void socket_perror(const char *func, struct imap_socket *sock, int ret)
252 int sslerr = SSL_get_error(sock->ssl, ret);
256 case SSL_ERROR_SYSCALL:
257 perror("SSL_connect");
260 ssl_socket_perror("SSL_connect");
269 fprintf(stderr, "%s: unexpected EOF\n", func);
273 static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int verify)
276 fprintf(stderr, "SSL requested but SSL support not compiled in\n");
279 #if (OPENSSL_VERSION_NUMBER >= 0x10000000L)
280 const SSL_METHOD *meth;
288 SSL_load_error_strings();
291 meth = TLSv1_method();
293 meth = SSLv23_method();
296 ssl_socket_perror("SSLv23_method");
300 ctx = SSL_CTX_new(meth);
303 SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
305 if (!SSL_CTX_set_default_verify_paths(ctx)) {
306 ssl_socket_perror("SSL_CTX_set_default_verify_paths");
309 sock->ssl = SSL_new(ctx);
311 ssl_socket_perror("SSL_new");
314 if (!SSL_set_rfd(sock->ssl, sock->fd[0])) {
315 ssl_socket_perror("SSL_set_rfd");
318 if (!SSL_set_wfd(sock->ssl, sock->fd[1])) {
319 ssl_socket_perror("SSL_set_wfd");
323 ret = SSL_connect(sock->ssl);
325 socket_perror("SSL_connect", sock, ret);
333 static int socket_read(struct imap_socket *sock, char *buf, int len)
338 n = SSL_read(sock->ssl, buf, len);
341 n = xread(sock->fd[0], buf, len);
343 socket_perror("read", sock, n);
346 sock->fd[0] = sock->fd[1] = -1;
351 static int socket_write(struct imap_socket *sock, const char *buf, int len)
356 n = SSL_write(sock->ssl, buf, len);
359 n = write_in_full(sock->fd[1], buf, len);
361 socket_perror("write", sock, n);
364 sock->fd[0] = sock->fd[1] = -1;
369 static void socket_shutdown(struct imap_socket *sock)
373 SSL_shutdown(sock->ssl);
381 /* simple line buffering */
382 static int buffer_gets(struct imap_buffer *b, char **s)
385 int start = b->offset;
390 /* make sure we have enough data to read the \r\n sequence */
391 if (b->offset + 1 >= b->bytes) {
393 /* shift down used bytes */
396 assert(start <= b->bytes);
397 n = b->bytes - start;
400 memmove(b->buf, b->buf + start, n);
406 n = socket_read(&b->sock, b->buf + b->bytes,
407 sizeof(b->buf) - b->bytes);
415 if (b->buf[b->offset] == '\r') {
416 assert(b->offset + 1 < b->bytes);
417 if (b->buf[b->offset + 1] == '\n') {
418 b->buf[b->offset] = 0; /* terminate the string */
419 b->offset += 2; /* next line */
431 static void imap_info(const char *msg, ...)
443 static void imap_warn(const char *msg, ...)
449 vfprintf(stderr, msg, va);
454 static char *next_arg(char **s)
460 while (isspace((unsigned char) **s))
469 *s = strchr(*s, '"');
472 while (**s && !isspace((unsigned char) **s))
484 static void free_generic_messages(struct message *msgs)
486 struct message *tmsg;
488 for (; msgs; msgs = tmsg) {
494 static int nfsnprintf(char *buf, int blen, const char *fmt, ...)
500 if (blen <= 0 || (unsigned)(ret = vsnprintf(buf, blen, fmt, va)) >= (unsigned)blen)
501 die("Fatal: buffer too small. Please report a bug.");
506 static struct imap_cmd *v_issue_imap_cmd(struct imap_store *ctx,
507 struct imap_cmd_cb *cb,
508 const char *fmt, va_list ap)
510 struct imap *imap = ctx->imap;
511 struct imap_cmd *cmd;
515 cmd = xmalloc(sizeof(struct imap_cmd));
516 nfvasprintf(&cmd->cmd, fmt, ap);
517 cmd->tag = ++imap->nexttag;
522 memset(&cmd->cb, 0, sizeof(cmd->cb));
524 while (imap->literal_pending)
525 get_cmd_result(ctx, NULL);
527 bufl = nfsnprintf(buf, sizeof(buf), cmd->cb.data ? CAP(LITERALPLUS) ?
528 "%d %s{%d+}\r\n" : "%d %s{%d}\r\n" : "%d %s\r\n",
529 cmd->tag, cmd->cmd, cmd->cb.dlen);
531 if (imap->num_in_progress)
532 printf("(%d in progress) ", imap->num_in_progress);
533 if (memcmp(cmd->cmd, "LOGIN", 5))
534 printf(">>> %s", buf);
536 printf(">>> %d LOGIN <user> <pass>\n", cmd->tag);
538 if (socket_write(&imap->buf.sock, buf, bufl) != bufl) {
546 if (CAP(LITERALPLUS)) {
547 n = socket_write(&imap->buf.sock, cmd->cb.data, cmd->cb.dlen);
549 if (n != cmd->cb.dlen ||
550 socket_write(&imap->buf.sock, "\r\n", 2) != 2) {
557 imap->literal_pending = 1;
558 } else if (cmd->cb.cont)
559 imap->literal_pending = 1;
561 *imap->in_progress_append = cmd;
562 imap->in_progress_append = &cmd->next;
563 imap->num_in_progress++;
567 __attribute__((format (printf, 3, 4)))
568 static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx,
569 struct imap_cmd_cb *cb,
570 const char *fmt, ...)
572 struct imap_cmd *ret;
576 ret = v_issue_imap_cmd(ctx, cb, fmt, ap);
581 __attribute__((format (printf, 3, 4)))
582 static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb,
583 const char *fmt, ...)
586 struct imap_cmd *cmdp;
589 cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
594 return get_cmd_result(ctx, cmdp);
597 __attribute__((format (printf, 3, 4)))
598 static int imap_exec_m(struct imap_store *ctx, struct imap_cmd_cb *cb,
599 const char *fmt, ...)
602 struct imap_cmd *cmdp;
605 cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
608 return DRV_STORE_BAD;
610 switch (get_cmd_result(ctx, cmdp)) {
611 case RESP_BAD: return DRV_STORE_BAD;
612 case RESP_NO: return DRV_MSG_BAD;
613 default: return DRV_OK;
617 static int is_atom(struct imap_list *list)
619 return list && list->val && list->val != NIL && list->val != LIST;
622 static int is_list(struct imap_list *list)
624 return list && list->val == LIST;
627 static void free_list(struct imap_list *list)
629 struct imap_list *tmp;
631 for (; list; list = tmp) {
634 free_list(list->child);
635 else if (is_atom(list))
641 static int parse_imap_list_l(struct imap *imap, char **sp, struct imap_list **curp, int level)
643 struct imap_list *cur;
648 while (isspace((unsigned char)*s))
650 if (level && *s == ')') {
654 *curp = cur = xmalloc(sizeof(*cur));
656 cur->val = NULL; /* for clean bail */
661 if (parse_imap_list_l(imap, &s, &cur->child, level + 1))
663 } else if (imap && *s == '{') {
665 bytes = cur->len = strtol(s + 1, &s, 10);
669 s = cur->val = xmalloc(cur->len);
671 /* dump whats left over in the input buffer */
672 n = imap->buf.bytes - imap->buf.offset;
675 /* the entire message fit in the buffer */
678 memcpy(s, imap->buf.buf + imap->buf.offset, n);
682 /* mark that we used part of the buffer */
683 imap->buf.offset += n;
685 /* now read the rest of the message */
687 if ((n = socket_read(&imap->buf.sock, s, bytes)) <= 0)
693 if (buffer_gets(&imap->buf, &s))
695 } else if (*s == '"') {
699 for (; *s != '"'; s++)
704 cur->val = xmemdupz(p, cur->len);
708 for (; *s && !isspace((unsigned char)*s); s++)
709 if (level && *s == ')')
712 if (cur->len == 3 && !memcmp("NIL", p, 3))
715 cur->val = xmemdupz(p, cur->len);
732 static struct imap_list *parse_imap_list(struct imap *imap, char **sp)
734 struct imap_list *head;
736 if (!parse_imap_list_l(imap, sp, &head, 0))
742 static struct imap_list *parse_list(char **sp)
744 return parse_imap_list(NULL, sp);
747 static void parse_capability(struct imap *imap, char *cmd)
752 imap->caps = 0x80000000;
753 while ((arg = next_arg(&cmd)))
754 for (i = 0; i < ARRAY_SIZE(cap_list); i++)
755 if (!strcmp(cap_list[i], arg))
756 imap->caps |= 1 << i;
757 imap->rcaps = imap->caps;
760 static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb,
763 struct imap *imap = ctx->imap;
767 return RESP_OK; /* no response code */
769 if (!(p = strchr(s, ']'))) {
770 fprintf(stderr, "IMAP error: malformed response code\n");
775 if (!strcmp("UIDVALIDITY", arg)) {
776 if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg))) {
777 fprintf(stderr, "IMAP error: malformed UIDVALIDITY status\n");
780 } else if (!strcmp("UIDNEXT", arg)) {
781 if (!(arg = next_arg(&s)) || !(imap->uidnext = atoi(arg))) {
782 fprintf(stderr, "IMAP error: malformed NEXTUID status\n");
785 } else if (!strcmp("CAPABILITY", arg)) {
786 parse_capability(imap, s);
787 } else if (!strcmp("ALERT", arg)) {
788 /* RFC2060 says that these messages MUST be displayed
791 for (; isspace((unsigned char)*p); p++);
792 fprintf(stderr, "*** IMAP ALERT *** %s\n", p);
793 } else if (cb && cb->ctx && !strcmp("APPENDUID", arg)) {
794 if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg)) ||
795 !(arg = next_arg(&s)) || !(*(int *)cb->ctx = atoi(arg))) {
796 fprintf(stderr, "IMAP error: malformed APPENDUID status\n");
803 static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd)
805 struct imap *imap = ctx->imap;
806 struct imap_cmd *cmdp, **pcmdp, *ncmdp;
807 char *cmd, *arg, *arg1, *p;
808 int n, resp, resp2, tag;
811 if (buffer_gets(&imap->buf, &cmd))
814 arg = next_arg(&cmd);
816 arg = next_arg(&cmd);
818 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
822 if (!strcmp("NAMESPACE", arg)) {
823 imap->ns_personal = parse_list(&cmd);
824 imap->ns_other = parse_list(&cmd);
825 imap->ns_shared = parse_list(&cmd);
826 } else if (!strcmp("OK", arg) || !strcmp("BAD", arg) ||
827 !strcmp("NO", arg) || !strcmp("BYE", arg)) {
828 if ((resp = parse_response_code(ctx, NULL, cmd)) != RESP_OK)
830 } else if (!strcmp("CAPABILITY", arg))
831 parse_capability(imap, cmd);
832 else if ((arg1 = next_arg(&cmd))) {
833 if (!strcmp("EXISTS", arg1))
834 ctx->gen.count = atoi(arg);
835 else if (!strcmp("RECENT", arg1))
836 ctx->gen.recent = atoi(arg);
838 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
841 } else if (!imap->in_progress) {
842 fprintf(stderr, "IMAP error: unexpected reply: %s %s\n", arg, cmd ? cmd : "");
844 } else if (*arg == '+') {
845 /* This can happen only with the last command underway, as
846 it enforces a round-trip. */
847 cmdp = (struct imap_cmd *)((char *)imap->in_progress_append -
848 offsetof(struct imap_cmd, next));
850 n = socket_write(&imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen);
852 cmdp->cb.data = NULL;
853 if (n != (int)cmdp->cb.dlen)
855 } else if (cmdp->cb.cont) {
856 if (cmdp->cb.cont(ctx, cmdp, cmd))
859 fprintf(stderr, "IMAP error: unexpected command continuation request\n");
862 if (socket_write(&imap->buf.sock, "\r\n", 2) != 2)
865 imap->literal_pending = 0;
870 for (pcmdp = &imap->in_progress; (cmdp = *pcmdp); pcmdp = &cmdp->next)
871 if (cmdp->tag == tag)
873 fprintf(stderr, "IMAP error: unexpected tag %s\n", arg);
876 if (!(*pcmdp = cmdp->next))
877 imap->in_progress_append = pcmdp;
878 imap->num_in_progress--;
879 if (cmdp->cb.cont || cmdp->cb.data)
880 imap->literal_pending = 0;
881 arg = next_arg(&cmd);
882 if (!strcmp("OK", arg))
885 if (!strcmp("NO", arg)) {
886 if (cmdp->cb.create && cmd && (cmdp->cb.trycreate || !memcmp(cmd, "[TRYCREATE]", 11))) { /* SELECT, APPEND or UID COPY */
887 p = strchr(cmdp->cmd, '"');
888 if (!issue_imap_cmd(ctx, NULL, "CREATE \"%.*s\"", (int)(strchr(p + 1, '"') - p + 1), p)) {
892 /* not waiting here violates the spec, but a server that does not
893 grok this nonetheless violates it too. */
895 if (!(ncmdp = issue_imap_cmd(ctx, &cmdp->cb, "%s", cmdp->cmd))) {
902 return 0; /* ignored */
908 } else /*if (!strcmp("BAD", arg))*/
910 fprintf(stderr, "IMAP command '%s' returned response (%s) - %s\n",
911 memcmp(cmdp->cmd, "LOGIN", 5) ?
912 cmdp->cmd : "LOGIN <user> <pass>",
913 arg, cmd ? cmd : "");
915 if ((resp2 = parse_response_code(ctx, &cmdp->cb, cmd)) > resp)
919 cmdp->cb.done(ctx, cmdp, resp);
923 if (!tcmd || tcmd == cmdp)
930 static void imap_close_server(struct imap_store *ictx)
932 struct imap *imap = ictx->imap;
934 if (imap->buf.sock.fd[0] != -1) {
935 imap_exec(ictx, NULL, "LOGOUT");
936 socket_shutdown(&imap->buf.sock);
938 free_list(imap->ns_personal);
939 free_list(imap->ns_other);
940 free_list(imap->ns_shared);
944 static void imap_close_store(struct store *ctx)
946 imap_close_server((struct imap_store *)ctx);
947 free_generic_messages(ctx->msgs);
951 static struct store *imap_open_store(struct imap_server_conf *srvc)
953 struct imap_store *ctx;
958 ctx = xcalloc(sizeof(*ctx), 1);
960 ctx->imap = imap = xcalloc(sizeof(*imap), 1);
961 imap->buf.sock.fd[0] = imap->buf.sock.fd[1] = -1;
962 imap->in_progress_append = &imap->in_progress;
964 /* open connection to IMAP server */
967 const char *argv[] = { srvc->tunnel, NULL };
968 struct child_process tunnel = {0};
970 imap_info("Starting tunnel '%s'... ", srvc->tunnel);
973 tunnel.use_shell = 1;
976 if (start_command(&tunnel))
977 die("cannot start proxy %s", argv[0]);
979 imap->buf.sock.fd[0] = tunnel.out;
980 imap->buf.sock.fd[1] = tunnel.in;
985 struct addrinfo hints, *ai0, *ai;
989 snprintf(portstr, sizeof(portstr), "%hu", srvc->port);
991 memset(&hints, 0, sizeof(hints));
992 hints.ai_socktype = SOCK_STREAM;
993 hints.ai_protocol = IPPROTO_TCP;
995 imap_info("Resolving %s... ", srvc->host);
996 gai = getaddrinfo(srvc->host, portstr, &hints, &ai);
998 fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(gai));
1003 for (ai0 = ai; ai; ai = ai->ai_next) {
1004 char addr[NI_MAXHOST];
1006 s = socket(ai->ai_family, ai->ai_socktype,
1011 getnameinfo(ai->ai_addr, ai->ai_addrlen, addr,
1012 sizeof(addr), NULL, 0, NI_NUMERICHOST);
1013 imap_info("Connecting to [%s]:%s... ", addr, portstr);
1015 if (connect(s, ai->ai_addr, ai->ai_addrlen) < 0) {
1027 struct sockaddr_in addr;
1029 memset(&addr, 0, sizeof(addr));
1030 addr.sin_port = htons(srvc->port);
1031 addr.sin_family = AF_INET;
1033 imap_info("Resolving %s... ", srvc->host);
1034 he = gethostbyname(srvc->host);
1036 perror("gethostbyname");
1041 addr.sin_addr.s_addr = *((int *) he->h_addr_list[0]);
1043 s = socket(PF_INET, SOCK_STREAM, 0);
1045 imap_info("Connecting to %s:%hu... ", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port));
1046 if (connect(s, (struct sockaddr *)&addr, sizeof(addr))) {
1053 fputs("Error: unable to connect to server.\n", stderr);
1057 imap->buf.sock.fd[0] = s;
1058 imap->buf.sock.fd[1] = dup(s);
1060 if (srvc->use_ssl &&
1061 ssl_socket_connect(&imap->buf.sock, 0, srvc->ssl_verify)) {
1068 /* read the greeting string */
1069 if (buffer_gets(&imap->buf, &rsp)) {
1070 fprintf(stderr, "IMAP error: no greeting response\n");
1073 arg = next_arg(&rsp);
1074 if (!arg || *arg != '*' || (arg = next_arg(&rsp)) == NULL) {
1075 fprintf(stderr, "IMAP error: invalid greeting response\n");
1079 if (!strcmp("PREAUTH", arg))
1081 else if (strcmp("OK", arg) != 0) {
1082 fprintf(stderr, "IMAP error: unknown greeting response\n");
1085 parse_response_code(ctx, NULL, rsp);
1086 if (!imap->caps && imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK)
1091 if (!srvc->use_ssl && CAP(STARTTLS)) {
1092 if (imap_exec(ctx, 0, "STARTTLS") != RESP_OK)
1094 if (ssl_socket_connect(&imap->buf.sock, 1,
1097 /* capabilities may have changed, so get the new capabilities */
1098 if (imap_exec(ctx, 0, "CAPABILITY") != RESP_OK)
1102 imap_info("Logging in...\n");
1104 fprintf(stderr, "Skipping server %s, no user\n", srvc->host);
1109 sprintf(prompt, "Password (%s@%s): ", srvc->user, srvc->host);
1110 arg = getpass(prompt);
1116 fprintf(stderr, "Skipping account %s@%s, no password\n", srvc->user, srvc->host);
1120 * getpass() returns a pointer to a static buffer. make a copy
1121 * for long term storage.
1123 srvc->pass = xstrdup(arg);
1126 fprintf(stderr, "Skipping account %s@%s, server forbids LOGIN\n", srvc->user, srvc->host);
1129 if (!imap->buf.sock.ssl)
1130 imap_warn("*** IMAP Warning *** Password is being "
1131 "sent in the clear\n");
1132 if (imap_exec(ctx, NULL, "LOGIN \"%s\" \"%s\"", srvc->user, srvc->pass) != RESP_OK) {
1133 fprintf(stderr, "IMAP error: LOGIN failed\n");
1140 return (struct store *)ctx;
1143 imap_close_store(&ctx->gen);
1147 static int imap_make_flags(int flags, char *buf)
1152 for (i = d = 0; i < ARRAY_SIZE(Flags); i++)
1153 if (flags & (1 << i)) {
1156 for (s = Flags[i]; *s; s++)
1164 static void lf_to_crlf(struct msg_data *msg)
1167 int i, j, lfnum = 0;
1169 if (msg->data[0] == '\n')
1171 for (i = 1; i < msg->len; i++) {
1172 if (msg->data[i - 1] != '\r' && msg->data[i] == '\n')
1176 new = xmalloc(msg->len + lfnum);
1177 if (msg->data[0] == '\n') {
1183 new[0] = msg->data[0];
1187 for ( ; i < msg->len; i++) {
1188 if (msg->data[i] != '\n') {
1189 new[j++] = msg->data[i];
1192 if (msg->data[i - 1] != '\r')
1194 /* otherwise it already had CR before */
1202 static int imap_store_msg(struct store *gctx, struct msg_data *data)
1204 struct imap_store *ctx = (struct imap_store *)gctx;
1205 struct imap *imap = ctx->imap;
1206 struct imap_cmd_cb cb;
1207 const char *prefix, *box;
1212 memset(&cb, 0, sizeof(cb));
1214 cb.dlen = data->len;
1215 cb.data = xmalloc(cb.dlen);
1216 memcpy(cb.data, data->data, data->len);
1220 d = imap_make_flags(data->flags, flagstr);
1226 prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix;
1228 ret = imap_exec_m(ctx, &cb, "APPEND \"%s%s\" %s", prefix, box, flagstr);
1229 imap->caps = imap->rcaps;
1237 static void encode_html_chars(struct strbuf *p)
1240 for (i = 0; i < p->len; i++) {
1241 if (p->buf[i] == '&')
1242 strbuf_splice(p, i, 1, "&", 5);
1243 if (p->buf[i] == '<')
1244 strbuf_splice(p, i, 1, "<", 4);
1245 if (p->buf[i] == '>')
1246 strbuf_splice(p, i, 1, ">", 4);
1247 if (p->buf[i] == '"')
1248 strbuf_splice(p, i, 1, """, 6);
1251 static void wrap_in_html(struct msg_data *msg)
1253 struct strbuf buf = STRBUF_INIT;
1254 struct strbuf **lines;
1256 static char *content_type = "Content-Type: text/html;\n";
1257 static char *pre_open = "<pre>\n";
1258 static char *pre_close = "</pre>\n";
1259 int added_header = 0;
1261 strbuf_attach(&buf, msg->data, msg->len, msg->len);
1262 lines = strbuf_split(&buf, '\n');
1263 strbuf_release(&buf);
1264 for (p = lines; *p; p++) {
1265 if (! added_header) {
1266 if ((*p)->len == 1 && *((*p)->buf) == '\n') {
1267 strbuf_addstr(&buf, content_type);
1268 strbuf_addbuf(&buf, *p);
1269 strbuf_addstr(&buf, pre_open);
1275 encode_html_chars(*p);
1276 strbuf_addbuf(&buf, *p);
1278 strbuf_addstr(&buf, pre_close);
1279 strbuf_list_free(lines);
1281 msg->data = strbuf_detach(&buf, NULL);
1284 #define CHUNKSIZE 0x1000
1286 static int read_message(FILE *f, struct msg_data *msg)
1288 struct strbuf buf = STRBUF_INIT;
1290 memset(msg, 0, sizeof(*msg));
1293 if (strbuf_fread(&buf, CHUNKSIZE, f) <= 0)
1298 msg->data = strbuf_detach(&buf, NULL);
1302 static int count_messages(struct msg_data *msg)
1305 char *p = msg->data;
1308 if (!prefixcmp(p, "From ")) {
1309 p = strstr(p+5, "\nFrom: ");
1311 p = strstr(p+7, "\nDate: ");
1313 p = strstr(p+7, "\nSubject: ");
1318 p = strstr(p+5, "\nFrom ");
1326 static int split_msg(struct msg_data *all_msgs, struct msg_data *msg, int *ofs)
1330 memset(msg, 0, sizeof *msg);
1331 if (*ofs >= all_msgs->len)
1334 data = &all_msgs->data[*ofs];
1335 msg->len = all_msgs->len - *ofs;
1337 if (msg->len < 5 || prefixcmp(data, "From "))
1340 p = strchr(data, '\n');
1348 p = strstr(data, "\nFrom ");
1350 msg->len = &p[1] - data;
1352 msg->data = xmemdupz(data, msg->len);
1357 static struct imap_server_conf server = {
1369 static char *imap_folder;
1371 static int git_imap_config(const char *key, const char *val, void *cb)
1373 char imap_key[] = "imap.";
1375 if (strncmp(key, imap_key, sizeof imap_key - 1))
1378 key += sizeof imap_key - 1;
1380 /* check booleans first, and barf on others */
1381 if (!strcmp("sslverify", key))
1382 server.ssl_verify = git_config_bool(key, val);
1383 else if (!strcmp("preformattedhtml", key))
1384 server.use_html = git_config_bool(key, val);
1386 return config_error_nonbool(key);
1388 if (!strcmp("folder", key)) {
1389 imap_folder = xstrdup(val);
1390 } else if (!strcmp("host", key)) {
1391 if (!prefixcmp(val, "imap:"))
1393 else if (!prefixcmp(val, "imaps:")) {
1397 if (!prefixcmp(val, "//"))
1399 server.host = xstrdup(val);
1400 } else if (!strcmp("user", key))
1401 server.user = xstrdup(val);
1402 else if (!strcmp("pass", key))
1403 server.pass = xstrdup(val);
1404 else if (!strcmp("port", key))
1405 server.port = git_config_int(key, val);
1406 else if (!strcmp("tunnel", key))
1407 server.tunnel = xstrdup(val);
1411 int main(int argc, char **argv)
1413 struct msg_data all_msgs, msg;
1414 struct store *ctx = NULL;
1420 git_extract_argv0_path(argv[0]);
1423 usage(imap_send_usage);
1425 setup_git_directory_gently(&nongit_ok);
1426 git_config(git_imap_config, NULL);
1429 server.port = server.use_ssl ? 993 : 143;
1432 fprintf(stderr, "no imap store specified\n");
1436 if (!server.tunnel) {
1437 fprintf(stderr, "no imap host specified\n");
1440 server.host = "tunnel";
1443 /* read the messages */
1444 if (!read_message(stdin, &all_msgs)) {
1445 fprintf(stderr, "nothing to send\n");
1449 total = count_messages(&all_msgs);
1451 fprintf(stderr, "no messages to send\n");
1455 /* write it to the imap server */
1456 ctx = imap_open_store(&server);
1458 fprintf(stderr, "failed to open store\n");
1462 fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : "");
1463 ctx->name = imap_folder;
1465 unsigned percent = n * 100 / total;
1466 fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total);
1467 if (!split_msg(&all_msgs, &msg, &ofs))
1469 if (server.use_html)
1471 r = imap_store_msg(ctx, &msg);
1476 fprintf(stderr, "\n");
1478 imap_close_store(ctx);