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
33 const char *path; /* should this be here? its interpretation is driver-specific */
36 unsigned max_size; /* off_t is overkill */
37 unsigned trash_remote_new:1, trash_only_new:1;
41 struct string_list *next;
46 struct channel_conf *next;
48 struct store_conf *master, *slave;
49 char *master_name, *slave_name;
51 struct string_list *patterns;
53 unsigned max_messages; /* for slave only */
57 struct group_conf *next;
59 struct string_list *channels;
62 /* For message->status */
63 #define M_RECENT (1<<0) /* unsyncable flag; maildir_* depend on this being 1<<0 */
64 #define M_DEAD (1<<1) /* expunged */
65 #define M_FLAGS (1<<2) /* flags fetched */
69 /* struct string_list *keywords; */
70 size_t size; /* zero implies "not fetched" */
72 unsigned char flags, status;
76 struct store_conf *conf; /* foreign */
78 /* currently open mailbox */
79 const char *name; /* foreign! maybe preset? */
81 struct message *msgs; /* own */
83 unsigned char opts; /* maybe preset? */
84 /* note that the following do _not_ reflect stats from msgs, but mailbox totals */
85 int count; /* # of messages */
86 int recent; /* # of recent messages - don't trust this beyond the initial read */
97 #define DRV_MSG_BAD -1
98 #define DRV_BOX_BAD -2
99 #define DRV_STORE_BAD -3
101 static int Verbose, Quiet;
103 __attribute__((format (printf, 1, 2)))
104 static void imap_info(const char *, ...);
105 __attribute__((format (printf, 1, 2)))
106 static void imap_warn(const char *, ...);
108 static char *next_arg(char **);
110 static void free_generic_messages(struct message *);
112 __attribute__((format (printf, 3, 4)))
113 static int nfsnprintf(char *buf, int blen, const char *fmt, ...);
115 static int nfvasprintf(char **strp, const char *fmt, va_list ap)
120 len = vsnprintf(tmp, sizeof(tmp), fmt, ap);
122 die("Fatal: Out of memory");
123 if (len >= sizeof(tmp))
124 die("imap command overflow!");
125 *strp = xmemdupz(tmp, len);
129 static void arc4_init(void);
130 static unsigned char arc4_getbyte(void);
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_fd(sock->ssl, sock->fd)) {
315 ssl_socket_perror("SSL_set_fd");
319 ret = SSL_connect(sock->ssl);
321 socket_perror("SSL_connect", sock, ret);
329 static int socket_read(struct imap_socket *sock, char *buf, int len)
334 n = SSL_read(sock->ssl, buf, len);
337 n = xread(sock->fd, buf, len);
339 socket_perror("read", sock, n);
346 static int socket_write(struct imap_socket *sock, const char *buf, int len)
351 n = SSL_write(sock->ssl, buf, len);
354 n = write_in_full(sock->fd, buf, len);
356 socket_perror("write", sock, n);
363 static void socket_shutdown(struct imap_socket *sock)
367 SSL_shutdown(sock->ssl);
374 /* simple line buffering */
375 static int buffer_gets(struct imap_buffer *b, char **s)
378 int start = b->offset;
383 /* make sure we have enough data to read the \r\n sequence */
384 if (b->offset + 1 >= b->bytes) {
386 /* shift down used bytes */
389 assert(start <= b->bytes);
390 n = b->bytes - start;
393 memmove(b->buf, b->buf + start, n);
399 n = socket_read(&b->sock, b->buf + b->bytes,
400 sizeof(b->buf) - b->bytes);
408 if (b->buf[b->offset] == '\r') {
409 assert(b->offset + 1 < b->bytes);
410 if (b->buf[b->offset + 1] == '\n') {
411 b->buf[b->offset] = 0; /* terminate the string */
412 b->offset += 2; /* next line */
424 static void imap_info(const char *msg, ...)
436 static void imap_warn(const char *msg, ...)
442 vfprintf(stderr, msg, va);
447 static char *next_arg(char **s)
453 while (isspace((unsigned char) **s))
462 *s = strchr(*s, '"');
465 while (**s && !isspace((unsigned char) **s))
477 static void free_generic_messages(struct message *msgs)
479 struct message *tmsg;
481 for (; msgs; msgs = tmsg) {
487 static int nfsnprintf(char *buf, int blen, const char *fmt, ...)
493 if (blen <= 0 || (unsigned)(ret = vsnprintf(buf, blen, fmt, va)) >= (unsigned)blen)
494 die("Fatal: buffer too small. Please report a bug.");
500 unsigned char i, j, s[256];
503 static void arc4_init(void)
506 unsigned char j, si, dat[128];
508 if ((fd = open("/dev/urandom", O_RDONLY)) < 0 && (fd = open("/dev/random", O_RDONLY)) < 0) {
509 fprintf(stderr, "Fatal: no random number source available.\n");
512 if (read_in_full(fd, dat, 128) != 128) {
513 fprintf(stderr, "Fatal: cannot read random number source.\n");
518 for (i = 0; i < 256; i++)
520 for (i = j = 0; i < 256; i++) {
522 j += si + dat[i & 127];
528 for (i = 0; i < 256; i++)
532 static unsigned char arc4_getbyte(void)
534 unsigned char si, sj;
542 return rs.s[(si + sj) & 0xff];
545 static struct imap_cmd *v_issue_imap_cmd(struct imap_store *ctx,
546 struct imap_cmd_cb *cb,
547 const char *fmt, va_list ap)
549 struct imap *imap = ctx->imap;
550 struct imap_cmd *cmd;
554 cmd = xmalloc(sizeof(struct imap_cmd));
555 nfvasprintf(&cmd->cmd, fmt, ap);
556 cmd->tag = ++imap->nexttag;
561 memset(&cmd->cb, 0, sizeof(cmd->cb));
563 while (imap->literal_pending)
564 get_cmd_result(ctx, NULL);
566 bufl = nfsnprintf(buf, sizeof(buf), cmd->cb.data ? CAP(LITERALPLUS) ?
567 "%d %s{%d+}\r\n" : "%d %s{%d}\r\n" : "%d %s\r\n",
568 cmd->tag, cmd->cmd, cmd->cb.dlen);
570 if (imap->num_in_progress)
571 printf("(%d in progress) ", imap->num_in_progress);
572 if (memcmp(cmd->cmd, "LOGIN", 5))
573 printf(">>> %s", buf);
575 printf(">>> %d LOGIN <user> <pass>\n", cmd->tag);
577 if (socket_write(&imap->buf.sock, buf, bufl) != bufl) {
585 if (CAP(LITERALPLUS)) {
586 n = socket_write(&imap->buf.sock, cmd->cb.data, cmd->cb.dlen);
588 if (n != cmd->cb.dlen ||
589 socket_write(&imap->buf.sock, "\r\n", 2) != 2) {
596 imap->literal_pending = 1;
597 } else if (cmd->cb.cont)
598 imap->literal_pending = 1;
600 *imap->in_progress_append = cmd;
601 imap->in_progress_append = &cmd->next;
602 imap->num_in_progress++;
606 __attribute__((format (printf, 3, 4)))
607 static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx,
608 struct imap_cmd_cb *cb,
609 const char *fmt, ...)
611 struct imap_cmd *ret;
615 ret = v_issue_imap_cmd(ctx, cb, fmt, ap);
620 __attribute__((format (printf, 3, 4)))
621 static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb,
622 const char *fmt, ...)
625 struct imap_cmd *cmdp;
628 cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
633 return get_cmd_result(ctx, cmdp);
636 __attribute__((format (printf, 3, 4)))
637 static int imap_exec_m(struct imap_store *ctx, struct imap_cmd_cb *cb,
638 const char *fmt, ...)
641 struct imap_cmd *cmdp;
644 cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
647 return DRV_STORE_BAD;
649 switch (get_cmd_result(ctx, cmdp)) {
650 case RESP_BAD: return DRV_STORE_BAD;
651 case RESP_NO: return DRV_MSG_BAD;
652 default: return DRV_OK;
656 static int is_atom(struct imap_list *list)
658 return list && list->val && list->val != NIL && list->val != LIST;
661 static int is_list(struct imap_list *list)
663 return list && list->val == LIST;
666 static void free_list(struct imap_list *list)
668 struct imap_list *tmp;
670 for (; list; list = tmp) {
673 free_list(list->child);
674 else if (is_atom(list))
680 static int parse_imap_list_l(struct imap *imap, char **sp, struct imap_list **curp, int level)
682 struct imap_list *cur;
687 while (isspace((unsigned char)*s))
689 if (level && *s == ')') {
693 *curp = cur = xmalloc(sizeof(*cur));
695 cur->val = NULL; /* for clean bail */
700 if (parse_imap_list_l(imap, &s, &cur->child, level + 1))
702 } else if (imap && *s == '{') {
704 bytes = cur->len = strtol(s + 1, &s, 10);
708 s = cur->val = xmalloc(cur->len);
710 /* dump whats left over in the input buffer */
711 n = imap->buf.bytes - imap->buf.offset;
714 /* the entire message fit in the buffer */
717 memcpy(s, imap->buf.buf + imap->buf.offset, n);
721 /* mark that we used part of the buffer */
722 imap->buf.offset += n;
724 /* now read the rest of the message */
726 if ((n = socket_read(&imap->buf.sock, s, bytes)) <= 0)
732 if (buffer_gets(&imap->buf, &s))
734 } else if (*s == '"') {
738 for (; *s != '"'; s++)
743 cur->val = xmemdupz(p, cur->len);
747 for (; *s && !isspace((unsigned char)*s); s++)
748 if (level && *s == ')')
751 if (cur->len == 3 && !memcmp("NIL", p, 3))
754 cur->val = xmemdupz(p, cur->len);
771 static struct imap_list *parse_imap_list(struct imap *imap, char **sp)
773 struct imap_list *head;
775 if (!parse_imap_list_l(imap, sp, &head, 0))
781 static struct imap_list *parse_list(char **sp)
783 return parse_imap_list(NULL, sp);
786 static void parse_capability(struct imap *imap, char *cmd)
791 imap->caps = 0x80000000;
792 while ((arg = next_arg(&cmd)))
793 for (i = 0; i < ARRAY_SIZE(cap_list); i++)
794 if (!strcmp(cap_list[i], arg))
795 imap->caps |= 1 << i;
796 imap->rcaps = imap->caps;
799 static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb,
802 struct imap *imap = ctx->imap;
806 return RESP_OK; /* no response code */
808 if (!(p = strchr(s, ']'))) {
809 fprintf(stderr, "IMAP error: malformed response code\n");
814 if (!strcmp("UIDVALIDITY", arg)) {
815 if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg))) {
816 fprintf(stderr, "IMAP error: malformed UIDVALIDITY status\n");
819 } else if (!strcmp("UIDNEXT", arg)) {
820 if (!(arg = next_arg(&s)) || !(imap->uidnext = atoi(arg))) {
821 fprintf(stderr, "IMAP error: malformed NEXTUID status\n");
824 } else if (!strcmp("CAPABILITY", arg)) {
825 parse_capability(imap, s);
826 } else if (!strcmp("ALERT", arg)) {
827 /* RFC2060 says that these messages MUST be displayed
830 for (; isspace((unsigned char)*p); p++);
831 fprintf(stderr, "*** IMAP ALERT *** %s\n", p);
832 } else if (cb && cb->ctx && !strcmp("APPENDUID", arg)) {
833 if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg)) ||
834 !(arg = next_arg(&s)) || !(*(int *)cb->ctx = atoi(arg))) {
835 fprintf(stderr, "IMAP error: malformed APPENDUID status\n");
842 static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd)
844 struct imap *imap = ctx->imap;
845 struct imap_cmd *cmdp, **pcmdp, *ncmdp;
846 char *cmd, *arg, *arg1, *p;
847 int n, resp, resp2, tag;
850 if (buffer_gets(&imap->buf, &cmd))
853 arg = next_arg(&cmd);
855 arg = next_arg(&cmd);
857 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
861 if (!strcmp("NAMESPACE", arg)) {
862 imap->ns_personal = parse_list(&cmd);
863 imap->ns_other = parse_list(&cmd);
864 imap->ns_shared = parse_list(&cmd);
865 } else if (!strcmp("OK", arg) || !strcmp("BAD", arg) ||
866 !strcmp("NO", arg) || !strcmp("BYE", arg)) {
867 if ((resp = parse_response_code(ctx, NULL, cmd)) != RESP_OK)
869 } else if (!strcmp("CAPABILITY", arg))
870 parse_capability(imap, cmd);
871 else if ((arg1 = next_arg(&cmd))) {
872 if (!strcmp("EXISTS", arg1))
873 ctx->gen.count = atoi(arg);
874 else if (!strcmp("RECENT", arg1))
875 ctx->gen.recent = atoi(arg);
877 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
880 } else if (!imap->in_progress) {
881 fprintf(stderr, "IMAP error: unexpected reply: %s %s\n", arg, cmd ? cmd : "");
883 } else if (*arg == '+') {
884 /* This can happen only with the last command underway, as
885 it enforces a round-trip. */
886 cmdp = (struct imap_cmd *)((char *)imap->in_progress_append -
887 offsetof(struct imap_cmd, next));
889 n = socket_write(&imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen);
891 cmdp->cb.data = NULL;
892 if (n != (int)cmdp->cb.dlen)
894 } else if (cmdp->cb.cont) {
895 if (cmdp->cb.cont(ctx, cmdp, cmd))
898 fprintf(stderr, "IMAP error: unexpected command continuation request\n");
901 if (socket_write(&imap->buf.sock, "\r\n", 2) != 2)
904 imap->literal_pending = 0;
909 for (pcmdp = &imap->in_progress; (cmdp = *pcmdp); pcmdp = &cmdp->next)
910 if (cmdp->tag == tag)
912 fprintf(stderr, "IMAP error: unexpected tag %s\n", arg);
915 if (!(*pcmdp = cmdp->next))
916 imap->in_progress_append = pcmdp;
917 imap->num_in_progress--;
918 if (cmdp->cb.cont || cmdp->cb.data)
919 imap->literal_pending = 0;
920 arg = next_arg(&cmd);
921 if (!strcmp("OK", arg))
924 if (!strcmp("NO", arg)) {
925 if (cmdp->cb.create && cmd && (cmdp->cb.trycreate || !memcmp(cmd, "[TRYCREATE]", 11))) { /* SELECT, APPEND or UID COPY */
926 p = strchr(cmdp->cmd, '"');
927 if (!issue_imap_cmd(ctx, NULL, "CREATE \"%.*s\"", (int)(strchr(p + 1, '"') - p + 1), p)) {
931 /* not waiting here violates the spec, but a server that does not
932 grok this nonetheless violates it too. */
934 if (!(ncmdp = issue_imap_cmd(ctx, &cmdp->cb, "%s", cmdp->cmd))) {
941 return 0; /* ignored */
947 } else /*if (!strcmp("BAD", arg))*/
949 fprintf(stderr, "IMAP command '%s' returned response (%s) - %s\n",
950 memcmp(cmdp->cmd, "LOGIN", 5) ?
951 cmdp->cmd : "LOGIN <user> <pass>",
952 arg, cmd ? cmd : "");
954 if ((resp2 = parse_response_code(ctx, &cmdp->cb, cmd)) > resp)
958 cmdp->cb.done(ctx, cmdp, resp);
962 if (!tcmd || tcmd == cmdp)
969 static void imap_close_server(struct imap_store *ictx)
971 struct imap *imap = ictx->imap;
973 if (imap->buf.sock.fd != -1) {
974 imap_exec(ictx, NULL, "LOGOUT");
975 socket_shutdown(&imap->buf.sock);
977 free_list(imap->ns_personal);
978 free_list(imap->ns_other);
979 free_list(imap->ns_shared);
983 static void imap_close_store(struct store *ctx)
985 imap_close_server((struct imap_store *)ctx);
986 free_generic_messages(ctx->msgs);
990 static struct store *imap_open_store(struct imap_server_conf *srvc)
992 struct imap_store *ctx;
995 int s = -1, a[2], preauth;
998 ctx = xcalloc(sizeof(*ctx), 1);
1000 ctx->imap = imap = xcalloc(sizeof(*imap), 1);
1001 imap->buf.sock.fd = -1;
1002 imap->in_progress_append = &imap->in_progress;
1004 /* open connection to IMAP server */
1007 imap_info("Starting tunnel '%s'... ", srvc->tunnel);
1009 if (socketpair(PF_UNIX, SOCK_STREAM, 0, a)) {
1010 perror("socketpair");
1018 if (dup2(a[0], 0) == -1 || dup2(a[0], 1) == -1)
1022 execl("/bin/sh", "sh", "-c", srvc->tunnel, NULL);
1028 imap->buf.sock.fd = a[1];
1033 struct addrinfo hints, *ai0, *ai;
1037 snprintf(portstr, sizeof(portstr), "%hu", srvc->port);
1039 memset(&hints, 0, sizeof(hints));
1040 hints.ai_socktype = SOCK_STREAM;
1041 hints.ai_protocol = IPPROTO_TCP;
1043 imap_info("Resolving %s... ", srvc->host);
1044 gai = getaddrinfo(srvc->host, portstr, &hints, &ai);
1046 fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(gai));
1051 for (ai0 = ai; ai; ai = ai->ai_next) {
1052 char addr[NI_MAXHOST];
1054 s = socket(ai->ai_family, ai->ai_socktype,
1059 getnameinfo(ai->ai_addr, ai->ai_addrlen, addr,
1060 sizeof(addr), NULL, 0, NI_NUMERICHOST);
1061 imap_info("Connecting to [%s]:%s... ", addr, portstr);
1063 if (connect(s, ai->ai_addr, ai->ai_addrlen) < 0) {
1075 struct sockaddr_in addr;
1077 memset(&addr, 0, sizeof(addr));
1078 addr.sin_port = htons(srvc->port);
1079 addr.sin_family = AF_INET;
1081 imap_info("Resolving %s... ", srvc->host);
1082 he = gethostbyname(srvc->host);
1084 perror("gethostbyname");
1089 addr.sin_addr.s_addr = *((int *) he->h_addr_list[0]);
1091 s = socket(PF_INET, SOCK_STREAM, 0);
1093 imap_info("Connecting to %s:%hu... ", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port));
1094 if (connect(s, (struct sockaddr *)&addr, sizeof(addr))) {
1101 fputs("Error: unable to connect to server.\n", stderr);
1105 imap->buf.sock.fd = s;
1107 if (srvc->use_ssl &&
1108 ssl_socket_connect(&imap->buf.sock, 0, srvc->ssl_verify)) {
1115 /* read the greeting string */
1116 if (buffer_gets(&imap->buf, &rsp)) {
1117 fprintf(stderr, "IMAP error: no greeting response\n");
1120 arg = next_arg(&rsp);
1121 if (!arg || *arg != '*' || (arg = next_arg(&rsp)) == NULL) {
1122 fprintf(stderr, "IMAP error: invalid greeting response\n");
1126 if (!strcmp("PREAUTH", arg))
1128 else if (strcmp("OK", arg) != 0) {
1129 fprintf(stderr, "IMAP error: unknown greeting response\n");
1132 parse_response_code(ctx, NULL, rsp);
1133 if (!imap->caps && imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK)
1138 if (!srvc->use_ssl && CAP(STARTTLS)) {
1139 if (imap_exec(ctx, 0, "STARTTLS") != RESP_OK)
1141 if (ssl_socket_connect(&imap->buf.sock, 1,
1144 /* capabilities may have changed, so get the new capabilities */
1145 if (imap_exec(ctx, 0, "CAPABILITY") != RESP_OK)
1149 imap_info("Logging in...\n");
1151 fprintf(stderr, "Skipping server %s, no user\n", srvc->host);
1156 sprintf(prompt, "Password (%s@%s): ", srvc->user, srvc->host);
1157 arg = getpass(prompt);
1163 fprintf(stderr, "Skipping account %s@%s, no password\n", srvc->user, srvc->host);
1167 * getpass() returns a pointer to a static buffer. make a copy
1168 * for long term storage.
1170 srvc->pass = xstrdup(arg);
1173 fprintf(stderr, "Skipping account %s@%s, server forbids LOGIN\n", srvc->user, srvc->host);
1176 if (!imap->buf.sock.ssl)
1177 imap_warn("*** IMAP Warning *** Password is being "
1178 "sent in the clear\n");
1179 if (imap_exec(ctx, NULL, "LOGIN \"%s\" \"%s\"", srvc->user, srvc->pass) != RESP_OK) {
1180 fprintf(stderr, "IMAP error: LOGIN failed\n");
1187 return (struct store *)ctx;
1190 imap_close_store(&ctx->gen);
1194 static int imap_make_flags(int flags, char *buf)
1199 for (i = d = 0; i < ARRAY_SIZE(Flags); i++)
1200 if (flags & (1 << i)) {
1203 for (s = Flags[i]; *s; s++)
1213 static int imap_store_msg(struct store *gctx, struct msg_data *data, int *uid)
1215 struct imap_store *ctx = (struct imap_store *)gctx;
1216 struct imap *imap = ctx->imap;
1217 struct imap_cmd_cb cb;
1219 const char *prefix, *box;
1220 int ret, i, j, d, len, extra, nocr;
1221 int start, sbreak = 0, ebreak = 0;
1222 char flagstr[128], tuid[TUIDL * 2 + 1];
1224 memset(&cb, 0, sizeof(cb));
1230 if (!CAP(UIDPLUS) && uid) {
1234 if (fmap[i++] == '\n') {
1236 if (i - 2 + nocr == start) {
1237 sbreak = ebreak = i - 2 + nocr;
1240 if (!memcmp(fmap + start, "X-TUID: ", 8)) {
1241 extra -= (ebreak = i) - (sbreak = start) + nocr;
1246 /* invalid message */
1250 for (j = 0; j < TUIDL; j++)
1251 sprintf(tuid + j * 2, "%02x", arc4_getbyte());
1252 extra += 8 + TUIDL * 2 + 2;
1255 for (; i < len; i++)
1256 if (fmap[i] == '\n')
1259 cb.dlen = len + extra;
1260 buf = cb.data = xmalloc(cb.dlen);
1262 if (!CAP(UIDPLUS) && uid) {
1264 for (; i < sbreak; i++)
1265 if (fmap[i] == '\n') {
1271 memcpy(buf, fmap, sbreak);
1274 memcpy(buf, "X-TUID: ", 8);
1276 memcpy(buf, tuid, TUIDL * 2);
1283 for (; i < len; i++)
1284 if (fmap[i] == '\n') {
1290 memcpy(buf, fmap + i, len - i);
1296 d = imap_make_flags(data->flags, flagstr);
1302 box = gctx->conf->trash;
1303 prefix = ctx->prefix;
1306 imap->caps = imap->rcaps & ~(1 << LITERALPLUS);
1309 prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix;
1313 ret = imap_exec_m(ctx, &cb, "APPEND \"%s%s\" %s", prefix, box, flagstr);
1314 imap->caps = imap->rcaps;
1325 static void encode_html_chars(struct strbuf *p)
1328 for (i = 0; i < p->len; i++) {
1329 if (p->buf[i] == '&')
1330 strbuf_splice(p, i, 1, "&", 5);
1331 if (p->buf[i] == '<')
1332 strbuf_splice(p, i, 1, "<", 4);
1333 if (p->buf[i] == '>')
1334 strbuf_splice(p, i, 1, ">", 4);
1335 if (p->buf[i] == '"')
1336 strbuf_splice(p, i, 1, """, 6);
1339 static void wrap_in_html(struct msg_data *msg)
1341 struct strbuf buf = STRBUF_INIT;
1342 struct strbuf **lines;
1344 static char *content_type = "Content-Type: text/html;\n";
1345 static char *pre_open = "<pre>\n";
1346 static char *pre_close = "</pre>\n";
1347 int added_header = 0;
1349 strbuf_attach(&buf, msg->data, msg->len, msg->len);
1350 lines = strbuf_split(&buf, '\n');
1351 strbuf_release(&buf);
1352 for (p = lines; *p; p++) {
1353 if (! added_header) {
1354 if ((*p)->len == 1 && *((*p)->buf) == '\n') {
1355 strbuf_addstr(&buf, content_type);
1356 strbuf_addbuf(&buf, *p);
1357 strbuf_addstr(&buf, pre_open);
1363 encode_html_chars(*p);
1364 strbuf_addbuf(&buf, *p);
1366 strbuf_addstr(&buf, pre_close);
1367 strbuf_list_free(lines);
1369 msg->data = strbuf_detach(&buf, NULL);
1372 #define CHUNKSIZE 0x1000
1374 static int read_message(FILE *f, struct msg_data *msg)
1376 struct strbuf buf = STRBUF_INIT;
1378 memset(msg, 0, sizeof(*msg));
1381 if (strbuf_fread(&buf, CHUNKSIZE, f) <= 0)
1386 msg->data = strbuf_detach(&buf, NULL);
1390 static int count_messages(struct msg_data *msg)
1393 char *p = msg->data;
1396 if (!prefixcmp(p, "From ")) {
1400 p = strstr(p+5, "\nFrom ");
1408 static int split_msg(struct msg_data *all_msgs, struct msg_data *msg, int *ofs)
1412 memset(msg, 0, sizeof *msg);
1413 if (*ofs >= all_msgs->len)
1416 data = &all_msgs->data[*ofs];
1417 msg->len = all_msgs->len - *ofs;
1419 if (msg->len < 5 || prefixcmp(data, "From "))
1422 p = strchr(data, '\n');
1430 p = strstr(data, "\nFrom ");
1432 msg->len = &p[1] - data;
1434 msg->data = xmemdupz(data, msg->len);
1439 static struct imap_server_conf server = {
1451 static char *imap_folder;
1453 static int git_imap_config(const char *key, const char *val, void *cb)
1455 char imap_key[] = "imap.";
1457 if (strncmp(key, imap_key, sizeof imap_key - 1))
1461 return config_error_nonbool(key);
1463 key += sizeof imap_key - 1;
1465 if (!strcmp("folder", key)) {
1466 imap_folder = xstrdup(val);
1467 } else if (!strcmp("host", key)) {
1468 if (!prefixcmp(val, "imap:"))
1470 else if (!prefixcmp(val, "imaps:")) {
1474 if (!prefixcmp(val, "//"))
1476 server.host = xstrdup(val);
1477 } else if (!strcmp("user", key))
1478 server.user = xstrdup(val);
1479 else if (!strcmp("pass", key))
1480 server.pass = xstrdup(val);
1481 else if (!strcmp("port", key))
1482 server.port = git_config_int(key, val);
1483 else if (!strcmp("tunnel", key))
1484 server.tunnel = xstrdup(val);
1485 else if (!strcmp("sslverify", key))
1486 server.ssl_verify = git_config_bool(key, val);
1487 else if (!strcmp("preformattedHTML", key))
1488 server.use_html = git_config_bool(key, val);
1492 int main(int argc, char **argv)
1494 struct msg_data all_msgs, msg;
1495 struct store *ctx = NULL;
1502 git_extract_argv0_path(argv[0]);
1504 /* init the random number generator */
1507 setup_git_directory_gently(&nongit_ok);
1508 git_config(git_imap_config, NULL);
1511 server.port = server.use_ssl ? 993 : 143;
1514 fprintf(stderr, "no imap store specified\n");
1518 if (!server.tunnel) {
1519 fprintf(stderr, "no imap host specified\n");
1522 server.host = "tunnel";
1525 /* read the messages */
1526 if (!read_message(stdin, &all_msgs)) {
1527 fprintf(stderr, "nothing to send\n");
1531 total = count_messages(&all_msgs);
1533 fprintf(stderr, "no messages to send\n");
1537 /* write it to the imap server */
1538 ctx = imap_open_store(&server);
1540 fprintf(stderr, "failed to open store\n");
1544 fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : "");
1545 ctx->name = imap_folder;
1547 unsigned percent = n * 100 / total;
1548 fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total);
1549 if (!split_msg(&all_msgs, &msg, &ofs))
1551 if (server.use_html)
1553 r = imap_store_msg(ctx, &msg, &uid);
1558 fprintf(stderr, "\n");
1560 imap_close_store(ctx);