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 static void imap_info(const char *, ...);
104 static void imap_warn(const char *, ...);
106 static char *next_arg(char **);
108 static void free_generic_messages(struct message *);
110 static int nfsnprintf(char *buf, int blen, const char *fmt, ...);
112 static int nfvasprintf(char **strp, const char *fmt, va_list ap)
117 len = vsnprintf(tmp, sizeof(tmp), fmt, ap);
119 die("Fatal: Out of memory");
120 if (len >= sizeof(tmp))
121 die("imap command overflow!");
122 *strp = xmemdupz(tmp, len);
126 static void arc4_init(void);
127 static unsigned char arc4_getbyte(void);
129 struct imap_server_conf {
141 struct imap_store_conf {
142 struct store_conf gen;
143 struct imap_server_conf *server;
144 unsigned use_namespace:1;
147 #define NIL (void *)0x1
148 #define LIST (void *)0x2
151 struct imap_list *next, *child;
162 struct imap_socket sock;
171 int uidnext; /* from SELECT responses */
172 struct imap_list *ns_personal, *ns_other, *ns_shared; /* NAMESPACE info */
173 unsigned caps, rcaps; /* CAPABILITY results */
175 int nexttag, num_in_progress, literal_pending;
176 struct imap_cmd *in_progress, **in_progress_append;
177 struct imap_buffer buf; /* this is BIG, so put it last */
185 unsigned /*currentnc:1,*/ trashnc:1;
189 int (*cont)(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt);
190 void (*done)(struct imap_store *ctx, struct imap_cmd *cmd, int response);
195 unsigned create:1, trycreate:1;
199 struct imap_cmd *next;
200 struct imap_cmd_cb cb;
205 #define CAP(cap) (imap->caps & (1 << (cap)))
215 static const char *cap_list[] = {
227 static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd);
230 static const char *Flags[] = {
239 static void ssl_socket_perror(const char *func)
241 fprintf(stderr, "%s: %s\n", func, ERR_error_string(ERR_get_error(), 0));
245 static void socket_perror(const char *func, struct imap_socket *sock, int ret)
249 int sslerr = SSL_get_error(sock->ssl, ret);
253 case SSL_ERROR_SYSCALL:
254 perror("SSL_connect");
257 ssl_socket_perror("SSL_connect");
266 fprintf(stderr, "%s: unexpected EOF\n", func);
270 static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int verify)
273 fprintf(stderr, "SSL requested but SSL support not compiled in\n");
281 SSL_load_error_strings();
284 meth = TLSv1_method();
286 meth = SSLv23_method();
289 ssl_socket_perror("SSLv23_method");
293 ctx = SSL_CTX_new(meth);
296 SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
298 if (!SSL_CTX_set_default_verify_paths(ctx)) {
299 ssl_socket_perror("SSL_CTX_set_default_verify_paths");
302 sock->ssl = SSL_new(ctx);
304 ssl_socket_perror("SSL_new");
307 if (!SSL_set_fd(sock->ssl, sock->fd)) {
308 ssl_socket_perror("SSL_set_fd");
312 ret = SSL_connect(sock->ssl);
314 socket_perror("SSL_connect", sock, ret);
322 static int socket_read(struct imap_socket *sock, char *buf, int len)
327 n = SSL_read(sock->ssl, buf, len);
330 n = xread(sock->fd, buf, len);
332 socket_perror("read", sock, n);
339 static int socket_write(struct imap_socket *sock, const char *buf, int len)
344 n = SSL_write(sock->ssl, buf, len);
347 n = write_in_full(sock->fd, buf, len);
349 socket_perror("write", sock, n);
356 static void socket_shutdown(struct imap_socket *sock)
360 SSL_shutdown(sock->ssl);
367 /* simple line buffering */
368 static int buffer_gets(struct imap_buffer *b, char **s)
371 int start = b->offset;
376 /* make sure we have enough data to read the \r\n sequence */
377 if (b->offset + 1 >= b->bytes) {
379 /* shift down used bytes */
382 assert(start <= b->bytes);
383 n = b->bytes - start;
386 memmove(b->buf, b->buf + start, n);
392 n = socket_read(&b->sock, b->buf + b->bytes,
393 sizeof(b->buf) - b->bytes);
401 if (b->buf[b->offset] == '\r') {
402 assert(b->offset + 1 < b->bytes);
403 if (b->buf[b->offset + 1] == '\n') {
404 b->buf[b->offset] = 0; /* terminate the string */
405 b->offset += 2; /* next line */
417 static void imap_info(const char *msg, ...)
429 static void imap_warn(const char *msg, ...)
435 vfprintf(stderr, msg, va);
440 static char *next_arg(char **s)
446 while (isspace((unsigned char) **s))
455 *s = strchr(*s, '"');
458 while (**s && !isspace((unsigned char) **s))
470 static void free_generic_messages(struct message *msgs)
472 struct message *tmsg;
474 for (; msgs; msgs = tmsg) {
480 static int nfsnprintf(char *buf, int blen, const char *fmt, ...)
486 if (blen <= 0 || (unsigned)(ret = vsnprintf(buf, blen, fmt, va)) >= (unsigned)blen)
487 die("Fatal: buffer too small. Please report a bug.");
493 unsigned char i, j, s[256];
496 static void arc4_init(void)
499 unsigned char j, si, dat[128];
501 if ((fd = open("/dev/urandom", O_RDONLY)) < 0 && (fd = open("/dev/random", O_RDONLY)) < 0) {
502 fprintf(stderr, "Fatal: no random number source available.\n");
505 if (read_in_full(fd, dat, 128) != 128) {
506 fprintf(stderr, "Fatal: cannot read random number source.\n");
511 for (i = 0; i < 256; i++)
513 for (i = j = 0; i < 256; i++) {
515 j += si + dat[i & 127];
521 for (i = 0; i < 256; i++)
525 static unsigned char arc4_getbyte(void)
527 unsigned char si, sj;
535 return rs.s[(si + sj) & 0xff];
538 static struct imap_cmd *v_issue_imap_cmd(struct imap_store *ctx,
539 struct imap_cmd_cb *cb,
540 const char *fmt, va_list ap)
542 struct imap *imap = ctx->imap;
543 struct imap_cmd *cmd;
547 cmd = xmalloc(sizeof(struct imap_cmd));
548 nfvasprintf(&cmd->cmd, fmt, ap);
549 cmd->tag = ++imap->nexttag;
554 memset(&cmd->cb, 0, sizeof(cmd->cb));
556 while (imap->literal_pending)
557 get_cmd_result(ctx, NULL);
559 bufl = nfsnprintf(buf, sizeof(buf), cmd->cb.data ? CAP(LITERALPLUS) ?
560 "%d %s{%d+}\r\n" : "%d %s{%d}\r\n" : "%d %s\r\n",
561 cmd->tag, cmd->cmd, cmd->cb.dlen);
563 if (imap->num_in_progress)
564 printf("(%d in progress) ", imap->num_in_progress);
565 if (memcmp(cmd->cmd, "LOGIN", 5))
566 printf(">>> %s", buf);
568 printf(">>> %d LOGIN <user> <pass>\n", cmd->tag);
570 if (socket_write(&imap->buf.sock, buf, bufl) != bufl) {
578 if (CAP(LITERALPLUS)) {
579 n = socket_write(&imap->buf.sock, cmd->cb.data, cmd->cb.dlen);
581 if (n != cmd->cb.dlen ||
582 socket_write(&imap->buf.sock, "\r\n", 2) != 2) {
589 imap->literal_pending = 1;
590 } else if (cmd->cb.cont)
591 imap->literal_pending = 1;
593 *imap->in_progress_append = cmd;
594 imap->in_progress_append = &cmd->next;
595 imap->num_in_progress++;
599 static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx,
600 struct imap_cmd_cb *cb,
601 const char *fmt, ...)
603 struct imap_cmd *ret;
607 ret = v_issue_imap_cmd(ctx, cb, fmt, ap);
612 static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb,
613 const char *fmt, ...)
616 struct imap_cmd *cmdp;
619 cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
624 return get_cmd_result(ctx, cmdp);
627 static int imap_exec_m(struct imap_store *ctx, struct imap_cmd_cb *cb,
628 const char *fmt, ...)
631 struct imap_cmd *cmdp;
634 cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
637 return DRV_STORE_BAD;
639 switch (get_cmd_result(ctx, cmdp)) {
640 case RESP_BAD: return DRV_STORE_BAD;
641 case RESP_NO: return DRV_MSG_BAD;
642 default: return DRV_OK;
646 static int is_atom(struct imap_list *list)
648 return list && list->val && list->val != NIL && list->val != LIST;
651 static int is_list(struct imap_list *list)
653 return list && list->val == LIST;
656 static void free_list(struct imap_list *list)
658 struct imap_list *tmp;
660 for (; list; list = tmp) {
663 free_list(list->child);
664 else if (is_atom(list))
670 static int parse_imap_list_l(struct imap *imap, char **sp, struct imap_list **curp, int level)
672 struct imap_list *cur;
677 while (isspace((unsigned char)*s))
679 if (level && *s == ')') {
683 *curp = cur = xmalloc(sizeof(*cur));
685 cur->val = NULL; /* for clean bail */
690 if (parse_imap_list_l(imap, &s, &cur->child, level + 1))
692 } else if (imap && *s == '{') {
694 bytes = cur->len = strtol(s + 1, &s, 10);
698 s = cur->val = xmalloc(cur->len);
700 /* dump whats left over in the input buffer */
701 n = imap->buf.bytes - imap->buf.offset;
704 /* the entire message fit in the buffer */
707 memcpy(s, imap->buf.buf + imap->buf.offset, n);
711 /* mark that we used part of the buffer */
712 imap->buf.offset += n;
714 /* now read the rest of the message */
716 if ((n = socket_read(&imap->buf.sock, s, bytes)) <= 0)
722 if (buffer_gets(&imap->buf, &s))
724 } else if (*s == '"') {
728 for (; *s != '"'; s++)
733 cur->val = xmemdupz(p, cur->len);
737 for (; *s && !isspace((unsigned char)*s); s++)
738 if (level && *s == ')')
741 if (cur->len == 3 && !memcmp("NIL", p, 3))
744 cur->val = xmemdupz(p, cur->len);
761 static struct imap_list *parse_imap_list(struct imap *imap, char **sp)
763 struct imap_list *head;
765 if (!parse_imap_list_l(imap, sp, &head, 0))
771 static struct imap_list *parse_list(char **sp)
773 return parse_imap_list(NULL, sp);
776 static void parse_capability(struct imap *imap, char *cmd)
781 imap->caps = 0x80000000;
782 while ((arg = next_arg(&cmd)))
783 for (i = 0; i < ARRAY_SIZE(cap_list); i++)
784 if (!strcmp(cap_list[i], arg))
785 imap->caps |= 1 << i;
786 imap->rcaps = imap->caps;
789 static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb,
792 struct imap *imap = ctx->imap;
796 return RESP_OK; /* no response code */
798 if (!(p = strchr(s, ']'))) {
799 fprintf(stderr, "IMAP error: malformed response code\n");
804 if (!strcmp("UIDVALIDITY", arg)) {
805 if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg))) {
806 fprintf(stderr, "IMAP error: malformed UIDVALIDITY status\n");
809 } else if (!strcmp("UIDNEXT", arg)) {
810 if (!(arg = next_arg(&s)) || !(imap->uidnext = atoi(arg))) {
811 fprintf(stderr, "IMAP error: malformed NEXTUID status\n");
814 } else if (!strcmp("CAPABILITY", arg)) {
815 parse_capability(imap, s);
816 } else if (!strcmp("ALERT", arg)) {
817 /* RFC2060 says that these messages MUST be displayed
820 for (; isspace((unsigned char)*p); p++);
821 fprintf(stderr, "*** IMAP ALERT *** %s\n", p);
822 } else if (cb && cb->ctx && !strcmp("APPENDUID", arg)) {
823 if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg)) ||
824 !(arg = next_arg(&s)) || !(*(int *)cb->ctx = atoi(arg))) {
825 fprintf(stderr, "IMAP error: malformed APPENDUID status\n");
832 static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd)
834 struct imap *imap = ctx->imap;
835 struct imap_cmd *cmdp, **pcmdp, *ncmdp;
836 char *cmd, *arg, *arg1, *p;
837 int n, resp, resp2, tag;
840 if (buffer_gets(&imap->buf, &cmd))
843 arg = next_arg(&cmd);
845 arg = next_arg(&cmd);
847 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
851 if (!strcmp("NAMESPACE", arg)) {
852 imap->ns_personal = parse_list(&cmd);
853 imap->ns_other = parse_list(&cmd);
854 imap->ns_shared = parse_list(&cmd);
855 } else if (!strcmp("OK", arg) || !strcmp("BAD", arg) ||
856 !strcmp("NO", arg) || !strcmp("BYE", arg)) {
857 if ((resp = parse_response_code(ctx, NULL, cmd)) != RESP_OK)
859 } else if (!strcmp("CAPABILITY", arg))
860 parse_capability(imap, cmd);
861 else if ((arg1 = next_arg(&cmd))) {
862 if (!strcmp("EXISTS", arg1))
863 ctx->gen.count = atoi(arg);
864 else if (!strcmp("RECENT", arg1))
865 ctx->gen.recent = atoi(arg);
867 fprintf(stderr, "IMAP error: unable to parse untagged response\n");
870 } else if (!imap->in_progress) {
871 fprintf(stderr, "IMAP error: unexpected reply: %s %s\n", arg, cmd ? cmd : "");
873 } else if (*arg == '+') {
874 /* This can happen only with the last command underway, as
875 it enforces a round-trip. */
876 cmdp = (struct imap_cmd *)((char *)imap->in_progress_append -
877 offsetof(struct imap_cmd, next));
879 n = socket_write(&imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen);
881 cmdp->cb.data = NULL;
882 if (n != (int)cmdp->cb.dlen)
884 } else if (cmdp->cb.cont) {
885 if (cmdp->cb.cont(ctx, cmdp, cmd))
888 fprintf(stderr, "IMAP error: unexpected command continuation request\n");
891 if (socket_write(&imap->buf.sock, "\r\n", 2) != 2)
894 imap->literal_pending = 0;
899 for (pcmdp = &imap->in_progress; (cmdp = *pcmdp); pcmdp = &cmdp->next)
900 if (cmdp->tag == tag)
902 fprintf(stderr, "IMAP error: unexpected tag %s\n", arg);
905 if (!(*pcmdp = cmdp->next))
906 imap->in_progress_append = pcmdp;
907 imap->num_in_progress--;
908 if (cmdp->cb.cont || cmdp->cb.data)
909 imap->literal_pending = 0;
910 arg = next_arg(&cmd);
911 if (!strcmp("OK", arg))
914 if (!strcmp("NO", arg)) {
915 if (cmdp->cb.create && cmd && (cmdp->cb.trycreate || !memcmp(cmd, "[TRYCREATE]", 11))) { /* SELECT, APPEND or UID COPY */
916 p = strchr(cmdp->cmd, '"');
917 if (!issue_imap_cmd(ctx, NULL, "CREATE \"%.*s\"", strchr(p + 1, '"') - p + 1, p)) {
921 /* not waiting here violates the spec, but a server that does not
922 grok this nonetheless violates it too. */
924 if (!(ncmdp = issue_imap_cmd(ctx, &cmdp->cb, "%s", cmdp->cmd))) {
931 return 0; /* ignored */
937 } else /*if (!strcmp("BAD", arg))*/
939 fprintf(stderr, "IMAP command '%s' returned response (%s) - %s\n",
940 memcmp(cmdp->cmd, "LOGIN", 5) ?
941 cmdp->cmd : "LOGIN <user> <pass>",
942 arg, cmd ? cmd : "");
944 if ((resp2 = parse_response_code(ctx, &cmdp->cb, cmd)) > resp)
948 cmdp->cb.done(ctx, cmdp, resp);
952 if (!tcmd || tcmd == cmdp)
959 static void imap_close_server(struct imap_store *ictx)
961 struct imap *imap = ictx->imap;
963 if (imap->buf.sock.fd != -1) {
964 imap_exec(ictx, NULL, "LOGOUT");
965 socket_shutdown(&imap->buf.sock);
967 free_list(imap->ns_personal);
968 free_list(imap->ns_other);
969 free_list(imap->ns_shared);
973 static void imap_close_store(struct store *ctx)
975 imap_close_server((struct imap_store *)ctx);
976 free_generic_messages(ctx->msgs);
980 static struct store *imap_open_store(struct imap_server_conf *srvc)
982 struct imap_store *ctx;
985 int s = -1, a[2], preauth;
988 ctx = xcalloc(sizeof(*ctx), 1);
990 ctx->imap = imap = xcalloc(sizeof(*imap), 1);
991 imap->buf.sock.fd = -1;
992 imap->in_progress_append = &imap->in_progress;
994 /* open connection to IMAP server */
997 imap_info("Starting tunnel '%s'... ", srvc->tunnel);
999 if (socketpair(PF_UNIX, SOCK_STREAM, 0, a)) {
1000 perror("socketpair");
1008 if (dup2(a[0], 0) == -1 || dup2(a[0], 1) == -1)
1012 execl("/bin/sh", "sh", "-c", srvc->tunnel, NULL);
1018 imap->buf.sock.fd = a[1];
1023 struct addrinfo hints, *ai0, *ai;
1027 snprintf(portstr, sizeof(portstr), "%hu", srvc->port);
1029 memset(&hints, 0, sizeof(hints));
1030 hints.ai_socktype = SOCK_STREAM;
1031 hints.ai_protocol = IPPROTO_TCP;
1033 imap_info("Resolving %s... ", srvc->host);
1034 gai = getaddrinfo(srvc->host, portstr, &hints, &ai);
1036 fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(gai));
1041 for (ai0 = ai; ai; ai = ai->ai_next) {
1042 char addr[NI_MAXHOST];
1044 s = socket(ai->ai_family, ai->ai_socktype,
1049 getnameinfo(ai->ai_addr, ai->ai_addrlen, addr,
1050 sizeof(addr), NULL, 0, NI_NUMERICHOST);
1051 imap_info("Connecting to [%s]:%s... ", addr, portstr);
1053 if (connect(s, ai->ai_addr, ai->ai_addrlen) < 0) {
1065 struct sockaddr_in addr;
1067 memset(&addr, 0, sizeof(addr));
1068 addr.sin_port = htons(srvc->port);
1069 addr.sin_family = AF_INET;
1071 imap_info("Resolving %s... ", srvc->host);
1072 he = gethostbyname(srvc->host);
1074 perror("gethostbyname");
1079 addr.sin_addr.s_addr = *((int *) he->h_addr_list[0]);
1081 s = socket(PF_INET, SOCK_STREAM, 0);
1083 imap_info("Connecting to %s:%hu... ", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port));
1084 if (connect(s, (struct sockaddr *)&addr, sizeof(addr))) {
1091 fputs("Error: unable to connect to server.\n", stderr);
1095 imap->buf.sock.fd = s;
1097 if (srvc->use_ssl &&
1098 ssl_socket_connect(&imap->buf.sock, 0, srvc->ssl_verify)) {
1105 /* read the greeting string */
1106 if (buffer_gets(&imap->buf, &rsp)) {
1107 fprintf(stderr, "IMAP error: no greeting response\n");
1110 arg = next_arg(&rsp);
1111 if (!arg || *arg != '*' || (arg = next_arg(&rsp)) == NULL) {
1112 fprintf(stderr, "IMAP error: invalid greeting response\n");
1116 if (!strcmp("PREAUTH", arg))
1118 else if (strcmp("OK", arg) != 0) {
1119 fprintf(stderr, "IMAP error: unknown greeting response\n");
1122 parse_response_code(ctx, NULL, rsp);
1123 if (!imap->caps && imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK)
1128 if (!srvc->use_ssl && CAP(STARTTLS)) {
1129 if (imap_exec(ctx, 0, "STARTTLS") != RESP_OK)
1131 if (ssl_socket_connect(&imap->buf.sock, 1,
1134 /* capabilities may have changed, so get the new capabilities */
1135 if (imap_exec(ctx, 0, "CAPABILITY") != RESP_OK)
1139 imap_info("Logging in...\n");
1141 fprintf(stderr, "Skipping server %s, no user\n", srvc->host);
1146 sprintf(prompt, "Password (%s@%s): ", srvc->user, srvc->host);
1147 arg = getpass(prompt);
1153 fprintf(stderr, "Skipping account %s@%s, no password\n", srvc->user, srvc->host);
1157 * getpass() returns a pointer to a static buffer. make a copy
1158 * for long term storage.
1160 srvc->pass = xstrdup(arg);
1163 fprintf(stderr, "Skipping account %s@%s, server forbids LOGIN\n", srvc->user, srvc->host);
1166 if (!imap->buf.sock.ssl)
1167 imap_warn("*** IMAP Warning *** Password is being "
1168 "sent in the clear\n");
1169 if (imap_exec(ctx, NULL, "LOGIN \"%s\" \"%s\"", srvc->user, srvc->pass) != RESP_OK) {
1170 fprintf(stderr, "IMAP error: LOGIN failed\n");
1177 return (struct store *)ctx;
1180 imap_close_store(&ctx->gen);
1184 static int imap_make_flags(int flags, char *buf)
1189 for (i = d = 0; i < ARRAY_SIZE(Flags); i++)
1190 if (flags & (1 << i)) {
1193 for (s = Flags[i]; *s; s++)
1203 static int imap_store_msg(struct store *gctx, struct msg_data *data, int *uid)
1205 struct imap_store *ctx = (struct imap_store *)gctx;
1206 struct imap *imap = ctx->imap;
1207 struct imap_cmd_cb cb;
1209 const char *prefix, *box;
1210 int ret, i, j, d, len, extra, nocr;
1211 int start, sbreak = 0, ebreak = 0;
1212 char flagstr[128], tuid[TUIDL * 2 + 1];
1214 memset(&cb, 0, sizeof(cb));
1220 if (!CAP(UIDPLUS) && uid) {
1224 if (fmap[i++] == '\n') {
1226 if (i - 2 + nocr == start) {
1227 sbreak = ebreak = i - 2 + nocr;
1230 if (!memcmp(fmap + start, "X-TUID: ", 8)) {
1231 extra -= (ebreak = i) - (sbreak = start) + nocr;
1236 /* invalid message */
1240 for (j = 0; j < TUIDL; j++)
1241 sprintf(tuid + j * 2, "%02x", arc4_getbyte());
1242 extra += 8 + TUIDL * 2 + 2;
1245 for (; i < len; i++)
1246 if (fmap[i] == '\n')
1249 cb.dlen = len + extra;
1250 buf = cb.data = xmalloc(cb.dlen);
1252 if (!CAP(UIDPLUS) && uid) {
1254 for (; i < sbreak; i++)
1255 if (fmap[i] == '\n') {
1261 memcpy(buf, fmap, sbreak);
1264 memcpy(buf, "X-TUID: ", 8);
1266 memcpy(buf, tuid, TUIDL * 2);
1273 for (; i < len; i++)
1274 if (fmap[i] == '\n') {
1280 memcpy(buf, fmap + i, len - i);
1286 d = imap_make_flags(data->flags, flagstr);
1292 box = gctx->conf->trash;
1293 prefix = ctx->prefix;
1296 imap->caps = imap->rcaps & ~(1 << LITERALPLUS);
1299 prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix;
1303 ret = imap_exec_m(ctx, &cb, "APPEND \"%s%s\" %s", prefix, box, flagstr);
1304 imap->caps = imap->rcaps;
1315 static void encode_html_chars(struct strbuf *p)
1318 for (i = 0; i < p->len; i++) {
1319 if (p->buf[i] == '&')
1320 strbuf_splice(p, i, 1, "&", 5);
1321 if (p->buf[i] == '<')
1322 strbuf_splice(p, i, 1, "<", 4);
1323 if (p->buf[i] == '>')
1324 strbuf_splice(p, i, 1, ">", 4);
1325 if (p->buf[i] == '"')
1326 strbuf_splice(p, i, 1, """, 6);
1329 static void wrap_in_html(struct msg_data *msg)
1331 struct strbuf buf = STRBUF_INIT;
1332 struct strbuf **lines;
1334 static char *content_type = "Content-Type: text/html;\n";
1335 static char *pre_open = "<pre>\n";
1336 static char *pre_close = "</pre>\n";
1337 int added_header = 0;
1339 strbuf_attach(&buf, msg->data, msg->len, msg->len);
1340 lines = strbuf_split(&buf, '\n');
1341 strbuf_release(&buf);
1342 for (p = lines; *p; p++) {
1343 if (! added_header) {
1344 if ((*p)->len == 1 && *((*p)->buf) == '\n') {
1345 strbuf_addstr(&buf, content_type);
1346 strbuf_addbuf(&buf, *p);
1347 strbuf_addstr(&buf, pre_open);
1353 encode_html_chars(*p);
1354 strbuf_addbuf(&buf, *p);
1356 strbuf_addstr(&buf, pre_close);
1357 strbuf_list_free(lines);
1359 msg->data = strbuf_detach(&buf, NULL);
1362 #define CHUNKSIZE 0x1000
1364 static int read_message(FILE *f, struct msg_data *msg)
1366 struct strbuf buf = STRBUF_INIT;
1368 memset(msg, 0, sizeof(*msg));
1371 if (strbuf_fread(&buf, CHUNKSIZE, f) <= 0)
1376 msg->data = strbuf_detach(&buf, NULL);
1380 static int count_messages(struct msg_data *msg)
1383 char *p = msg->data;
1386 if (!prefixcmp(p, "From ")) {
1390 p = strstr(p+5, "\nFrom ");
1398 static int split_msg(struct msg_data *all_msgs, struct msg_data *msg, int *ofs)
1402 memset(msg, 0, sizeof *msg);
1403 if (*ofs >= all_msgs->len)
1406 data = &all_msgs->data[*ofs];
1407 msg->len = all_msgs->len - *ofs;
1409 if (msg->len < 5 || prefixcmp(data, "From "))
1412 p = strchr(data, '\n');
1420 p = strstr(data, "\nFrom ");
1422 msg->len = &p[1] - data;
1424 msg->data = xmemdupz(data, msg->len);
1429 static struct imap_server_conf server = {
1441 static char *imap_folder;
1443 static int git_imap_config(const char *key, const char *val, void *cb)
1445 char imap_key[] = "imap.";
1447 if (strncmp(key, imap_key, sizeof imap_key - 1))
1451 return config_error_nonbool(key);
1453 key += sizeof imap_key - 1;
1455 if (!strcmp("folder", key)) {
1456 imap_folder = xstrdup(val);
1457 } else if (!strcmp("host", key)) {
1458 if (!prefixcmp(val, "imap:"))
1460 else if (!prefixcmp(val, "imaps:")) {
1464 if (!prefixcmp(val, "//"))
1466 server.host = xstrdup(val);
1467 } else if (!strcmp("user", key))
1468 server.user = xstrdup(val);
1469 else if (!strcmp("pass", key))
1470 server.pass = xstrdup(val);
1471 else if (!strcmp("port", key))
1472 server.port = git_config_int(key, val);
1473 else if (!strcmp("tunnel", key))
1474 server.tunnel = xstrdup(val);
1475 else if (!strcmp("sslverify", key))
1476 server.ssl_verify = git_config_bool(key, val);
1477 else if (!strcmp("preformattedHTML", key))
1478 server.use_html = git_config_bool(key, val);
1482 int main(int argc, char **argv)
1484 struct msg_data all_msgs, msg;
1485 struct store *ctx = NULL;
1492 git_extract_argv0_path(argv[0]);
1494 /* init the random number generator */
1497 setup_git_directory_gently(&nongit_ok);
1498 git_config(git_imap_config, NULL);
1501 server.port = server.use_ssl ? 993 : 143;
1504 fprintf(stderr, "no imap store specified\n");
1508 if (!server.tunnel) {
1509 fprintf(stderr, "no imap host specified\n");
1512 server.host = "tunnel";
1515 /* read the messages */
1516 if (!read_message(stdin, &all_msgs)) {
1517 fprintf(stderr, "nothing to send\n");
1521 total = count_messages(&all_msgs);
1523 fprintf(stderr, "no messages to send\n");
1527 /* write it to the imap server */
1528 ctx = imap_open_store(&server);
1530 fprintf(stderr, "failed to open store\n");
1534 fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : "");
1535 ctx->name = imap_folder;
1537 unsigned percent = n * 100 / total;
1538 fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total);
1539 if (!split_msg(&all_msgs, &msg, &ofs))
1541 if (server.use_html)
1543 r = imap_store_msg(ctx, &msg, &uid);
1548 fprintf(stderr, "\n");
1550 imap_close_store(ctx);