4 * Implements the message store.
14 #if TIME_WITH_SYS_TIME
15 # include <sys/time.h>
19 # include <sys/time.h>
32 #include <sys/types.h>
36 #include "serv_extensions.h"
40 #include "sysdep_decls.h"
41 #include "citserver.h"
48 #include "mime_parser.h"
51 #include "internet_addressing.h"
52 #include "serv_fulltext.h"
54 #include "euidindex.h"
55 #include "journaling.h"
56 #include "citadel_dirs.h"
57 #include "serv_network.h"
60 # include "serv_sieve.h"
61 #endif /* HAVE_LIBSIEVE */
64 struct addresses_to_be_filed *atbf = NULL;
66 /* This temp file holds the queue of operations for AdjRefCount() */
67 static FILE *arcfp = NULL;
70 * This really belongs in serv_network.c, but I don't know how to export
71 * symbols between modules.
73 struct FilterList *filterlist = NULL;
77 * These are the four-character field headers we use when outputting
78 * messages in Citadel format (as opposed to RFC822 format).
81 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
82 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
83 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
84 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
85 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
86 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
87 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
88 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
116 * This function is self explanatory.
117 * (What can I say, I'm in a weird mood today...)
119 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
123 for (i = 0; i < strlen(name); ++i) {
124 if (name[i] == '@') {
125 while (isspace(name[i - 1]) && i > 0) {
126 strcpy(&name[i - 1], &name[i]);
129 while (isspace(name[i + 1])) {
130 strcpy(&name[i + 1], &name[i + 2]);
138 * Aliasing for network mail.
139 * (Error messages have been commented out, because this is a server.)
141 int alias(char *name)
142 { /* process alias and routing info for mail */
145 char aaa[SIZ], bbb[SIZ];
146 char *ignetcfg = NULL;
147 char *ignetmap = NULL;
153 char original_name[256];
154 safestrncpy(original_name, name, sizeof original_name);
157 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
158 stripallbut(name, '<', '>');
160 fp = fopen(file_mail_aliases, "r");
162 fp = fopen("/dev/null", "r");
169 while (fgets(aaa, sizeof aaa, fp) != NULL) {
170 while (isspace(name[0]))
171 strcpy(name, &name[1]);
172 aaa[strlen(aaa) - 1] = 0;
174 for (a = 0; a < strlen(aaa); ++a) {
176 strcpy(bbb, &aaa[a + 1]);
180 if (!strcasecmp(name, aaa))
185 /* Hit the Global Address Book */
186 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
190 if (strcasecmp(original_name, name)) {
191 lprintf(CTDL_INFO, "%s is being forwarded to %s\n", original_name, name);
194 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
195 for (a=0; a<strlen(name); ++a) {
196 if (name[a] == '@') {
197 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
199 lprintf(CTDL_INFO, "Changed to <%s>\n", name);
204 /* determine local or remote type, see citadel.h */
205 at = haschar(name, '@');
206 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
207 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
208 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
210 /* figure out the delivery mode */
211 extract_token(node, name, 1, '@', sizeof node);
213 /* If there are one or more dots in the nodename, we assume that it
214 * is an FQDN and will attempt SMTP delivery to the Internet.
216 if (haschar(node, '.') > 0) {
217 return(MES_INTERNET);
220 /* Otherwise we look in the IGnet maps for a valid Citadel node.
221 * Try directly-connected nodes first...
223 ignetcfg = CtdlGetSysConfig(IGNETCFG);
224 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
225 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
226 extract_token(testnode, buf, 0, '|', sizeof testnode);
227 if (!strcasecmp(node, testnode)) {
235 * Then try nodes that are two or more hops away.
237 ignetmap = CtdlGetSysConfig(IGNETMAP);
238 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
239 extract_token(buf, ignetmap, i, '\n', sizeof buf);
240 extract_token(testnode, buf, 0, '|', sizeof testnode);
241 if (!strcasecmp(node, testnode)) {
248 /* If we get to this point it's an invalid node name */
254 * Back end for the MSGS command: output message number only.
256 void simple_listing(long msgnum, void *userdata)
258 cprintf("%ld\n", msgnum);
264 * Back end for the MSGS command: output header summary.
266 void headers_listing(long msgnum, void *userdata)
268 struct CtdlMessage *msg;
270 msg = CtdlFetchMessage(msgnum, 0);
272 cprintf("%ld|0|||||\n", msgnum);
276 cprintf("%ld|%s|%s|%s|%s|%s|\n",
278 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
279 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
280 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
281 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
282 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
284 CtdlFreeMessage(msg);
289 /* Determine if a given message matches the fields in a message template.
290 * Return 0 for a successful match.
292 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
295 /* If there aren't any fields in the template, all messages will
298 if (template == NULL) return(0);
300 /* Null messages are bogus. */
301 if (msg == NULL) return(1);
303 for (i='A'; i<='Z'; ++i) {
304 if (template->cm_fields[i] != NULL) {
305 if (msg->cm_fields[i] == NULL) {
308 if (strcasecmp(msg->cm_fields[i],
309 template->cm_fields[i])) return 1;
313 /* All compares succeeded: we have a match! */
320 * Retrieve the "seen" message list for the current room.
322 void CtdlGetSeen(char *buf, int which_set) {
325 /* Learn about the user and room in question */
326 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
328 if (which_set == ctdlsetseen_seen)
329 safestrncpy(buf, vbuf.v_seen, SIZ);
330 if (which_set == ctdlsetseen_answered)
331 safestrncpy(buf, vbuf.v_answered, SIZ);
337 * Manipulate the "seen msgs" string (or other message set strings)
339 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
340 int target_setting, int which_set,
341 struct ctdluser *which_user, struct ctdlroom *which_room) {
342 struct cdbdata *cdbfr;
354 char *is_set; /* actually an array of booleans */
357 char setstr[SIZ], lostr[SIZ], histr[SIZ];
360 /* Don't bother doing *anything* if we were passed a list of zero messages */
361 if (num_target_msgnums < 1) {
365 lprintf(CTDL_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %d, %d)\n",
366 num_target_msgnums, target_msgnums[0],
367 target_setting, which_set);
369 /* Learn about the user and room in question */
370 CtdlGetRelationship(&vbuf,
371 ((which_user != NULL) ? which_user : &CC->user),
372 ((which_room != NULL) ? which_room : &CC->room)
375 /* Load the message list */
376 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
378 msglist = (long *) cdbfr->ptr;
379 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
380 num_msgs = cdbfr->len / sizeof(long);
383 return; /* No messages at all? No further action. */
386 is_set = malloc(num_msgs * sizeof(char));
387 memset(is_set, 0, (num_msgs * sizeof(char)) );
389 /* Decide which message set we're manipulating */
391 case ctdlsetseen_seen:
392 safestrncpy(vset, vbuf.v_seen, sizeof vset);
394 case ctdlsetseen_answered:
395 safestrncpy(vset, vbuf.v_answered, sizeof vset);
399 /* lprintf(CTDL_DEBUG, "before optimize: %s\n", vset); */
401 /* Translate the existing sequence set into an array of booleans */
402 num_sets = num_tokens(vset, ',');
403 for (s=0; s<num_sets; ++s) {
404 extract_token(setstr, vset, s, ',', sizeof setstr);
406 extract_token(lostr, setstr, 0, ':', sizeof lostr);
407 if (num_tokens(setstr, ':') >= 2) {
408 extract_token(histr, setstr, 1, ':', sizeof histr);
409 if (!strcmp(histr, "*")) {
410 snprintf(histr, sizeof histr, "%ld", LONG_MAX);
414 strcpy(histr, lostr);
419 for (i = 0; i < num_msgs; ++i) {
420 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
426 /* Now translate the array of booleans back into a sequence set */
431 for (i=0; i<num_msgs; ++i) {
433 is_seen = is_set[i]; /* Default to existing setting */
435 for (k=0; k<num_target_msgnums; ++k) {
436 if (msglist[i] == target_msgnums[k]) {
437 is_seen = target_setting;
442 if (lo < 0L) lo = msglist[i];
446 if ( ((is_seen == 0) && (was_seen == 1))
447 || ((is_seen == 1) && (i == num_msgs-1)) ) {
449 /* begin trim-o-matic code */
452 while ( (strlen(vset) + 20) > sizeof vset) {
453 remove_token(vset, 0, ',');
455 if (j--) break; /* loop no more than 9 times */
457 if ( (trimming) && (which_set == ctdlsetseen_seen) ) {
461 snprintf(lostr, sizeof lostr,
462 "1:%ld,%s", t, vset);
463 safestrncpy(vset, lostr, sizeof vset);
465 /* end trim-o-matic code */
473 snprintf(&vset[tmp], (sizeof vset) - tmp,
477 snprintf(&vset[tmp], (sizeof vset) - tmp,
486 /* Decide which message set we're manipulating */
488 case ctdlsetseen_seen:
489 safestrncpy(vbuf.v_seen, vset, sizeof vbuf.v_seen);
491 case ctdlsetseen_answered:
492 safestrncpy(vbuf.v_answered, vset,
493 sizeof vbuf.v_answered);
498 /* lprintf(CTDL_DEBUG, " after optimize: %s\n", vset); */
500 CtdlSetRelationship(&vbuf,
501 ((which_user != NULL) ? which_user : &CC->user),
502 ((which_room != NULL) ? which_room : &CC->room)
508 * API function to perform an operation for each qualifying message in the
509 * current room. (Returns the number of messages processed.)
511 int CtdlForEachMessage(int mode, long ref, char *search_string,
513 struct CtdlMessage *compare,
514 void (*CallBack) (long, void *),
520 struct cdbdata *cdbfr;
521 long *msglist = NULL;
523 int num_processed = 0;
526 struct CtdlMessage *msg = NULL;
529 int printed_lastold = 0;
530 int num_search_msgs = 0;
531 long *search_msgs = NULL;
533 int need_to_free_re = 0;
536 if (content_type) if (strlen(content_type) > 0) {
537 regcomp(&re, content_type, 0);
541 /* Learn about the user and room in question */
542 getuser(&CC->user, CC->curr_user);
543 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
545 /* Load the message list */
546 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
548 msglist = (long *) cdbfr->ptr;
549 cdbfr->ptr = NULL; /* CtdlForEachMessage() now owns this memory */
550 num_msgs = cdbfr->len / sizeof(long);
553 if (need_to_free_re) regfree(&re);
554 return 0; /* No messages at all? No further action. */
559 * Now begin the traversal.
561 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
563 /* If the caller is looking for a specific MIME type, filter
564 * out all messages which are not of the type requested.
566 if (content_type != NULL) if (strlen(content_type) > 0) {
568 /* This call to GetMetaData() sits inside this loop
569 * so that we only do the extra database read per msg
570 * if we need to. Doing the extra read all the time
571 * really kills the server. If we ever need to use
572 * metadata for another search criterion, we need to
573 * move the read somewhere else -- but still be smart
574 * enough to only do the read if the caller has
575 * specified something that will need it.
577 GetMetaData(&smi, msglist[a]);
579 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
580 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
586 num_msgs = sort_msglist(msglist, num_msgs);
588 /* If a template was supplied, filter out the messages which
589 * don't match. (This could induce some delays!)
592 if (compare != NULL) {
593 for (a = 0; a < num_msgs; ++a) {
594 msg = CtdlFetchMessage(msglist[a], 1);
596 if (CtdlMsgCmp(msg, compare)) {
599 CtdlFreeMessage(msg);
605 /* If a search string was specified, get a message list from
606 * the full text index and remove messages which aren't on both
610 * Since the lists are sorted and strictly ascending, and the
611 * output list is guaranteed to be shorter than or equal to the
612 * input list, we overwrite the bottom of the input list. This
613 * eliminates the need to memmove big chunks of the list over and
616 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
617 ft_search(&num_search_msgs, &search_msgs, search_string);
618 if (num_search_msgs > 0) {
622 orig_num_msgs = num_msgs;
624 for (i=0; i<orig_num_msgs; ++i) {
625 for (j=0; j<num_search_msgs; ++j) {
626 if (msglist[i] == search_msgs[j]) {
627 msglist[num_msgs++] = msglist[i];
633 num_msgs = 0; /* No messages qualify */
635 if (search_msgs != NULL) free(search_msgs);
637 /* Now that we've purged messages which don't contain the search
638 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
645 * Now iterate through the message list, according to the
646 * criteria supplied by the caller.
649 for (a = 0; a < num_msgs; ++a) {
650 thismsg = msglist[a];
651 if (mode == MSGS_ALL) {
655 is_seen = is_msg_in_sequence_set(
656 vbuf.v_seen, thismsg);
657 if (is_seen) lastold = thismsg;
663 || ((mode == MSGS_OLD) && (is_seen))
664 || ((mode == MSGS_NEW) && (!is_seen))
665 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
666 || ((mode == MSGS_FIRST) && (a < ref))
667 || ((mode == MSGS_GT) && (thismsg > ref))
668 || ((mode == MSGS_EQ) && (thismsg == ref))
671 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
673 CallBack(lastold, userdata);
677 if (CallBack) CallBack(thismsg, userdata);
681 free(msglist); /* Clean up */
682 if (need_to_free_re) regfree(&re);
683 return num_processed;
689 * cmd_msgs() - get list of message #'s in this room
690 * implements the MSGS server command using CtdlForEachMessage()
692 void cmd_msgs(char *cmdbuf)
701 int with_template = 0;
702 struct CtdlMessage *template = NULL;
703 int with_headers = 0;
704 char search_string[1024];
706 extract_token(which, cmdbuf, 0, '|', sizeof which);
707 cm_ref = extract_int(cmdbuf, 1);
708 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
709 with_template = extract_int(cmdbuf, 2);
710 with_headers = extract_int(cmdbuf, 3);
713 if (!strncasecmp(which, "OLD", 3))
715 else if (!strncasecmp(which, "NEW", 3))
717 else if (!strncasecmp(which, "FIRST", 5))
719 else if (!strncasecmp(which, "LAST", 4))
721 else if (!strncasecmp(which, "GT", 2))
723 else if (!strncasecmp(which, "SEARCH", 6))
728 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
729 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
733 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
734 cprintf("%d Full text index is not enabled on this server.\n",
735 ERROR + CMD_NOT_SUPPORTED);
741 cprintf("%d Send template then receive message list\n",
743 template = (struct CtdlMessage *)
744 malloc(sizeof(struct CtdlMessage));
745 memset(template, 0, sizeof(struct CtdlMessage));
746 template->cm_magic = CTDLMESSAGE_MAGIC;
747 template->cm_anon_type = MES_NORMAL;
749 while(client_getln(buf, sizeof buf), strcmp(buf,"000")) {
750 extract_token(tfield, buf, 0, '|', sizeof tfield);
751 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
752 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
753 if (!strcasecmp(tfield, msgkeys[i])) {
754 template->cm_fields[i] =
762 cprintf("%d \n", LISTING_FOLLOWS);
765 CtdlForEachMessage(mode,
766 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
767 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
770 (with_headers ? headers_listing : simple_listing),
773 if (template != NULL) CtdlFreeMessage(template);
781 * help_subst() - support routine for help file viewer
783 void help_subst(char *strbuf, char *source, char *dest)
788 while (p = pattern2(strbuf, source), (p >= 0)) {
789 strcpy(workbuf, &strbuf[p + strlen(source)]);
790 strcpy(&strbuf[p], dest);
791 strcat(strbuf, workbuf);
796 void do_help_subst(char *buffer)
800 help_subst(buffer, "^nodename", config.c_nodename);
801 help_subst(buffer, "^humannode", config.c_humannode);
802 help_subst(buffer, "^fqdn", config.c_fqdn);
803 help_subst(buffer, "^username", CC->user.fullname);
804 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
805 help_subst(buffer, "^usernum", buf2);
806 help_subst(buffer, "^sysadm", config.c_sysadm);
807 help_subst(buffer, "^variantname", CITADEL);
808 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
809 help_subst(buffer, "^maxsessions", buf2);
810 help_subst(buffer, "^bbsdir", ctdl_bbsbase_dir);
816 * memfmout() - Citadel text formatter and paginator.
817 * Although the original purpose of this routine was to format
818 * text to the reader's screen width, all we're really using it
819 * for here is to format text out to 80 columns before sending it
820 * to the client. The client software may reformat it again.
823 char *mptr, /* where are we going to get our text from? */
824 char subst, /* nonzero if we should do substitutions */
825 char *nl) /* string to terminate lines with */
833 static int width = 80;
838 c = 1; /* c is the current pos */
842 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
844 buffer[strlen(buffer) + 1] = 0;
845 buffer[strlen(buffer)] = ch;
848 if (buffer[0] == '^')
849 do_help_subst(buffer);
851 buffer[strlen(buffer) + 1] = 0;
853 strcpy(buffer, &buffer[1]);
861 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10)) {
864 if (((old == 13) || (old == 10)) && (isspace(real))) {
869 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
870 cprintf("%s%s", nl, aaa);
879 if ((strlen(aaa) + c) > (width - 5)) {
888 if ((ch == 13) || (ch == 10)) {
889 cprintf("%s%s", aaa, nl);
896 cprintf("%s%s", aaa, nl);
902 * Callback function for mime parser that simply lists the part
904 void list_this_part(char *name, char *filename, char *partnum, char *disp,
905 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
910 ma = (struct ma_info *)cbuserdata;
911 if (ma->is_ma == 0) {
912 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
913 name, filename, partnum, disp, cbtype, (long)length);
918 * Callback function for multipart prefix
920 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
921 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
926 ma = (struct ma_info *)cbuserdata;
927 if (!strcasecmp(cbtype, "multipart/alternative")) {
931 if (ma->is_ma == 0) {
932 cprintf("pref=%s|%s\n", partnum, cbtype);
937 * Callback function for multipart sufffix
939 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
940 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
945 ma = (struct ma_info *)cbuserdata;
946 if (ma->is_ma == 0) {
947 cprintf("suff=%s|%s\n", partnum, cbtype);
949 if (!strcasecmp(cbtype, "multipart/alternative")) {
956 * Callback function for mime parser that opens a section for downloading
958 void mime_download(char *name, char *filename, char *partnum, char *disp,
959 void *content, char *cbtype, char *cbcharset, size_t length,
960 char *encoding, void *cbuserdata)
963 /* Silently go away if there's already a download open... */
964 if (CC->download_fp != NULL)
967 /* ...or if this is not the desired section */
968 if (strcasecmp(CC->download_desired_section, partnum))
971 CC->download_fp = tmpfile();
972 if (CC->download_fp == NULL)
975 fwrite(content, length, 1, CC->download_fp);
976 fflush(CC->download_fp);
977 rewind(CC->download_fp);
979 OpenCmdResult(filename, cbtype);
985 * Callback function for mime parser that outputs a section all at once
987 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
988 void *content, char *cbtype, char *cbcharset, size_t length,
989 char *encoding, void *cbuserdata)
991 int *found_it = (int *)cbuserdata;
993 /* ...or if this is not the desired section */
994 if (strcasecmp(CC->download_desired_section, partnum))
999 cprintf("%d %d\n", BINARY_FOLLOWS, (int)length);
1000 client_write(content, length);
1006 * Load a message from disk into memory.
1007 * This is used by CtdlOutputMsg() and other fetch functions.
1009 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1010 * using the CtdlMessageFree() function.
1012 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1014 struct cdbdata *dmsgtext;
1015 struct CtdlMessage *ret = NULL;
1019 cit_uint8_t field_header;
1021 lprintf(CTDL_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1023 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1024 if (dmsgtext == NULL) {
1027 mptr = dmsgtext->ptr;
1028 upper_bound = mptr + dmsgtext->len;
1030 /* Parse the three bytes that begin EVERY message on disk.
1031 * The first is always 0xFF, the on-disk magic number.
1032 * The second is the anonymous/public type byte.
1033 * The third is the format type byte (vari, fixed, or MIME).
1038 "Message %ld appears to be corrupted.\n",
1043 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1044 memset(ret, 0, sizeof(struct CtdlMessage));
1046 ret->cm_magic = CTDLMESSAGE_MAGIC;
1047 ret->cm_anon_type = *mptr++; /* Anon type byte */
1048 ret->cm_format_type = *mptr++; /* Format type byte */
1051 * The rest is zero or more arbitrary fields. Load them in.
1052 * We're done when we encounter either a zero-length field or
1053 * have just processed the 'M' (message text) field.
1056 if (mptr >= upper_bound) {
1059 field_header = *mptr++;
1060 ret->cm_fields[field_header] = strdup(mptr);
1062 while (*mptr++ != 0); /* advance to next field */
1064 } while ((mptr < upper_bound) && (field_header != 'M'));
1068 /* Always make sure there's something in the msg text field. If
1069 * it's NULL, the message text is most likely stored separately,
1070 * so go ahead and fetch that. Failing that, just set a dummy
1071 * body so other code doesn't barf.
1073 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1074 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1075 if (dmsgtext != NULL) {
1076 ret->cm_fields['M'] = strdup(dmsgtext->ptr);
1080 if (ret->cm_fields['M'] == NULL) {
1081 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1084 /* Perform "before read" hooks (aborting if any return nonzero) */
1085 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1086 CtdlFreeMessage(ret);
1095 * Returns 1 if the supplied pointer points to a valid Citadel message.
1096 * If the pointer is NULL or the magic number check fails, returns 0.
1098 int is_valid_message(struct CtdlMessage *msg) {
1101 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1102 lprintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
1110 * 'Destructor' for struct CtdlMessage
1112 void CtdlFreeMessage(struct CtdlMessage *msg)
1116 if (is_valid_message(msg) == 0)
1118 if (msg != NULL) free (msg);
1122 for (i = 0; i < 256; ++i)
1123 if (msg->cm_fields[i] != NULL) {
1124 free(msg->cm_fields[i]);
1127 msg->cm_magic = 0; /* just in case */
1133 * Pre callback function for multipart/alternative
1135 * NOTE: this differs from the standard behavior for a reason. Normally when
1136 * displaying multipart/alternative you want to show the _last_ usable
1137 * format in the message. Here we show the _first_ one, because it's
1138 * usually text/plain. Since this set of functions is designed for text
1139 * output to non-MIME-aware clients, this is the desired behavior.
1142 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1143 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1148 ma = (struct ma_info *)cbuserdata;
1149 lprintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1150 if (!strcasecmp(cbtype, "multipart/alternative")) {
1154 if (!strcasecmp(cbtype, "message/rfc822")) {
1160 * Post callback function for multipart/alternative
1162 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1163 void *content, char *cbtype, char *cbcharset, size_t length,
1164 char *encoding, void *cbuserdata)
1168 ma = (struct ma_info *)cbuserdata;
1169 lprintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1170 if (!strcasecmp(cbtype, "multipart/alternative")) {
1174 if (!strcasecmp(cbtype, "message/rfc822")) {
1180 * Inline callback function for mime parser that wants to display text
1182 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1183 void *content, char *cbtype, char *cbcharset, size_t length,
1184 char *encoding, void *cbuserdata)
1191 ma = (struct ma_info *)cbuserdata;
1194 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1195 partnum, filename, cbtype, (long)length);
1198 * If we're in the middle of a multipart/alternative scope and
1199 * we've already printed another section, skip this one.
1201 if ( (ma->is_ma) && (ma->did_print) ) {
1202 lprintf(CTDL_DEBUG, "Skipping part %s (%s)\n",
1208 if ( (!strcasecmp(cbtype, "text/plain"))
1209 || (strlen(cbtype)==0) ) {
1212 client_write(wptr, length);
1213 if (wptr[length-1] != '\n') {
1220 if (!strcasecmp(cbtype, "text/html")) {
1221 ptr = html_to_ascii(content, length, 80, 0);
1223 client_write(ptr, wlen);
1224 if (ptr[wlen-1] != '\n') {
1231 if (ma->use_fo_hooks) {
1232 if (PerformFixedOutputHooks(cbtype, content, length)) {
1233 /* above function returns nonzero if it handled the part */
1238 if (strncasecmp(cbtype, "multipart/", 10)) {
1239 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1240 partnum, filename, cbtype, (long)length);
1246 * The client is elegant and sophisticated and wants to be choosy about
1247 * MIME content types, so figure out which multipart/alternative part
1248 * we're going to send.
1250 * We use a system of weights. When we find a part that matches one of the
1251 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1252 * and then set ma->chosen_pref to that MIME type's position in our preference
1253 * list. If we then hit another match, we only replace the first match if
1254 * the preference value is lower.
1256 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1257 void *content, char *cbtype, char *cbcharset, size_t length,
1258 char *encoding, void *cbuserdata)
1264 ma = (struct ma_info *)cbuserdata;
1266 if (ma->is_ma > 0) {
1267 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1268 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1269 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1270 if (i < ma->chosen_pref) {
1271 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1272 ma->chosen_pref = i;
1280 * Now that we've chosen our preferred part, output it.
1282 void output_preferred(char *name, char *filename, char *partnum, char *disp,
1283 void *content, char *cbtype, char *cbcharset, size_t length,
1284 char *encoding, void *cbuserdata)
1288 int add_newline = 0;
1292 ma = (struct ma_info *)cbuserdata;
1294 /* This is not the MIME part you're looking for... */
1295 if (strcasecmp(partnum, ma->chosen_part)) return;
1297 /* If the content-type of this part is in our preferred formats
1298 * list, we can simply output it verbatim.
1300 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1301 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1302 if (!strcasecmp(buf, cbtype)) {
1303 /* Yeah! Go! W00t!! */
1305 text_content = (char *)content;
1306 if (text_content[length-1] != '\n') {
1309 cprintf("Content-type: %s", cbtype);
1310 if (strlen(cbcharset) > 0) {
1311 cprintf("; charset=%s", cbcharset);
1313 cprintf("\nContent-length: %d\n",
1314 (int)(length + add_newline) );
1315 if (strlen(encoding) > 0) {
1316 cprintf("Content-transfer-encoding: %s\n", encoding);
1319 cprintf("Content-transfer-encoding: 7bit\n");
1321 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1323 client_write(content, length);
1324 if (add_newline) cprintf("\n");
1329 /* No translations required or possible: output as text/plain */
1330 cprintf("Content-type: text/plain\n\n");
1331 fixed_output(name, filename, partnum, disp, content, cbtype, cbcharset,
1332 length, encoding, cbuserdata);
1337 char desired_section[64];
1344 * Callback function for
1346 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1347 void *content, char *cbtype, char *cbcharset, size_t length,
1348 char *encoding, void *cbuserdata)
1350 struct encapmsg *encap;
1352 encap = (struct encapmsg *)cbuserdata;
1354 /* Only proceed if this is the desired section... */
1355 if (!strcasecmp(encap->desired_section, partnum)) {
1356 encap->msglen = length;
1357 encap->msg = malloc(length + 2);
1358 memcpy(encap->msg, content, length);
1368 * Get a message off disk. (returns om_* values found in msgbase.h)
1371 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1372 int mode, /* how would you like that message? */
1373 int headers_only, /* eschew the message body? */
1374 int do_proto, /* do Citadel protocol responses? */
1375 int crlf, /* Use CRLF newlines instead of LF? */
1376 char *section /* NULL or a message/rfc822 section */
1378 struct CtdlMessage *TheMessage = NULL;
1379 int retcode = om_no_such_msg;
1380 struct encapmsg encap;
1382 lprintf(CTDL_DEBUG, "CtdlOutputMsg() msgnum=%ld, mode=%d, section=%s\n",
1384 (section ? section : "<>")
1387 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1388 if (do_proto) cprintf("%d Not logged in.\n",
1389 ERROR + NOT_LOGGED_IN);
1390 return(om_not_logged_in);
1393 /* FIXME: check message id against msglist for this room */
1396 * Fetch the message from disk. If we're in any sort of headers
1397 * only mode, request that we don't even bother loading the body
1400 if ( (headers_only == HEADERS_FAST) || (headers_only == HEADERS_ONLY) ) {
1401 TheMessage = CtdlFetchMessage(msg_num, 0);
1404 TheMessage = CtdlFetchMessage(msg_num, 1);
1407 if (TheMessage == NULL) {
1408 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1409 ERROR + MESSAGE_NOT_FOUND, msg_num);
1410 return(om_no_such_msg);
1413 /* Here is the weird form of this command, to process only an
1414 * encapsulated message/rfc822 section.
1416 if (section) if (strlen(section)>0) if (strcmp(section, "0")) {
1417 memset(&encap, 0, sizeof encap);
1418 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1419 mime_parser(TheMessage->cm_fields['M'],
1421 *extract_encapsulated_message,
1422 NULL, NULL, (void *)&encap, 0
1424 CtdlFreeMessage(TheMessage);
1428 encap.msg[encap.msglen] = 0;
1429 TheMessage = convert_internet_message(encap.msg);
1430 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1432 /* Now we let it fall through to the bottom of this
1433 * function, because TheMessage now contains the
1434 * encapsulated message instead of the top-level
1435 * message. Isn't that neat?
1440 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1441 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1442 retcode = om_no_such_msg;
1447 /* Ok, output the message now */
1448 retcode = CtdlOutputPreLoadedMsg(
1450 headers_only, do_proto, crlf);
1451 CtdlFreeMessage(TheMessage);
1458 * Get a message off disk. (returns om_* values found in msgbase.h)
1461 int CtdlOutputPreLoadedMsg(
1462 struct CtdlMessage *TheMessage,
1463 int mode, /* how would you like that message? */
1464 int headers_only, /* eschew the message body? */
1465 int do_proto, /* do Citadel protocol responses? */
1466 int crlf /* Use CRLF newlines instead of LF? */
1472 char display_name[256];
1474 char *nl; /* newline string */
1476 int subject_found = 0;
1479 /* Buffers needed for RFC822 translation. These are all filled
1480 * using functions that are bounds-checked, and therefore we can
1481 * make them substantially smaller than SIZ.
1489 char datestamp[100];
1491 lprintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
1492 ((TheMessage == NULL) ? "NULL" : "not null"),
1493 mode, headers_only, do_proto, crlf);
1495 strcpy(mid, "unknown");
1496 nl = (crlf ? "\r\n" : "\n");
1498 if (!is_valid_message(TheMessage)) {
1500 "ERROR: invalid preloaded message for output\n");
1501 return(om_no_such_msg);
1504 /* Are we downloading a MIME component? */
1505 if (mode == MT_DOWNLOAD) {
1506 if (TheMessage->cm_format_type != FMT_RFC822) {
1508 cprintf("%d This is not a MIME message.\n",
1509 ERROR + ILLEGAL_VALUE);
1510 } else if (CC->download_fp != NULL) {
1511 if (do_proto) cprintf(
1512 "%d You already have a download open.\n",
1513 ERROR + RESOURCE_BUSY);
1515 /* Parse the message text component */
1516 mptr = TheMessage->cm_fields['M'];
1517 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
1518 /* If there's no file open by this time, the requested
1519 * section wasn't found, so print an error
1521 if (CC->download_fp == NULL) {
1522 if (do_proto) cprintf(
1523 "%d Section %s not found.\n",
1524 ERROR + FILE_NOT_FOUND,
1525 CC->download_desired_section);
1528 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1531 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
1532 * in a single server operation instead of opening a download file.
1534 if (mode == MT_SPEW_SECTION) {
1535 if (TheMessage->cm_format_type != FMT_RFC822) {
1537 cprintf("%d This is not a MIME message.\n",
1538 ERROR + ILLEGAL_VALUE);
1540 /* Parse the message text component */
1543 mptr = TheMessage->cm_fields['M'];
1544 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
1545 /* If section wasn't found, print an error
1548 if (do_proto) cprintf(
1549 "%d Section %s not found.\n",
1550 ERROR + FILE_NOT_FOUND,
1551 CC->download_desired_section);
1554 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1557 /* now for the user-mode message reading loops */
1558 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
1560 /* Does the caller want to skip the headers? */
1561 if (headers_only == HEADERS_NONE) goto START_TEXT;
1563 /* Tell the client which format type we're using. */
1564 if ( (mode == MT_CITADEL) && (do_proto) ) {
1565 cprintf("type=%d\n", TheMessage->cm_format_type);
1568 /* nhdr=yes means that we're only displaying headers, no body */
1569 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1570 && (mode == MT_CITADEL)
1573 cprintf("nhdr=yes\n");
1576 /* begin header processing loop for Citadel message format */
1578 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1580 safestrncpy(display_name, "<unknown>", sizeof display_name);
1581 if (TheMessage->cm_fields['A']) {
1582 strcpy(buf, TheMessage->cm_fields['A']);
1583 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1584 safestrncpy(display_name, "****", sizeof display_name);
1586 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1587 safestrncpy(display_name, "anonymous", sizeof display_name);
1590 safestrncpy(display_name, buf, sizeof display_name);
1592 if ((is_room_aide())
1593 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1594 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1595 size_t tmp = strlen(display_name);
1596 snprintf(&display_name[tmp],
1597 sizeof display_name - tmp,
1602 /* Don't show Internet address for users on the
1603 * local Citadel network.
1606 if (TheMessage->cm_fields['N'] != NULL)
1607 if (strlen(TheMessage->cm_fields['N']) > 0)
1608 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1612 /* Now spew the header fields in the order we like them. */
1613 safestrncpy(allkeys, FORDER, sizeof allkeys);
1614 for (i=0; i<strlen(allkeys); ++i) {
1615 k = (int) allkeys[i];
1617 if ( (TheMessage->cm_fields[k] != NULL)
1618 && (msgkeys[k] != NULL) ) {
1620 if (do_proto) cprintf("%s=%s\n",
1624 else if ((k == 'F') && (suppress_f)) {
1627 /* Masquerade display name if needed */
1629 if (do_proto) cprintf("%s=%s\n",
1631 TheMessage->cm_fields[k]
1640 /* begin header processing loop for RFC822 transfer format */
1645 strcpy(snode, NODENAME);
1646 strcpy(lnode, HUMANNODE);
1647 if (mode == MT_RFC822) {
1648 for (i = 0; i < 256; ++i) {
1649 if (TheMessage->cm_fields[i]) {
1650 mptr = TheMessage->cm_fields[i];
1653 safestrncpy(luser, mptr, sizeof luser);
1654 safestrncpy(suser, mptr, sizeof suser);
1656 else if (i == 'Y') {
1657 cprintf("CC: %s%s", mptr, nl);
1659 else if (i == 'P') {
1660 cprintf("Return-Path: %s%s", mptr, nl);
1662 else if (i == 'V') {
1663 cprintf("Envelope-To: %s%s", mptr, nl);
1665 else if (i == 'U') {
1666 cprintf("Subject: %s%s", mptr, nl);
1670 safestrncpy(mid, mptr, sizeof mid);
1672 safestrncpy(lnode, mptr, sizeof lnode);
1674 safestrncpy(fuser, mptr, sizeof fuser);
1675 /* else if (i == 'O')
1676 cprintf("X-Citadel-Room: %s%s",
1679 safestrncpy(snode, mptr, sizeof snode);
1681 cprintf("To: %s%s", mptr, nl);
1682 else if (i == 'T') {
1683 datestring(datestamp, sizeof datestamp,
1684 atol(mptr), DATESTRING_RFC822);
1685 cprintf("Date: %s%s", datestamp, nl);
1689 if (subject_found == 0) {
1690 cprintf("Subject: (no subject)%s", nl);
1694 for (i=0; i<strlen(suser); ++i) {
1695 suser[i] = tolower(suser[i]);
1696 if (!isalnum(suser[i])) suser[i]='_';
1699 if (mode == MT_RFC822) {
1700 if (!strcasecmp(snode, NODENAME)) {
1701 safestrncpy(snode, FQDN, sizeof snode);
1704 /* Construct a fun message id */
1705 cprintf("Message-ID: <%s", mid);
1706 if (strchr(mid, '@')==NULL) {
1707 cprintf("@%s", snode);
1711 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
1712 cprintf("From: \"----\" <x@x.org>%s", nl);
1714 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
1715 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
1717 else if (strlen(fuser) > 0) {
1718 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
1721 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
1724 cprintf("Organization: %s%s", lnode, nl);
1726 /* Blank line signifying RFC822 end-of-headers */
1727 if (TheMessage->cm_format_type != FMT_RFC822) {
1732 /* end header processing loop ... at this point, we're in the text */
1734 if (headers_only == HEADERS_FAST) goto DONE;
1735 mptr = TheMessage->cm_fields['M'];
1737 /* Tell the client about the MIME parts in this message */
1738 if (TheMessage->cm_format_type == FMT_RFC822) {
1739 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1740 memset(&ma, 0, sizeof(struct ma_info));
1741 mime_parser(mptr, NULL,
1742 (do_proto ? *list_this_part : NULL),
1743 (do_proto ? *list_this_pref : NULL),
1744 (do_proto ? *list_this_suff : NULL),
1747 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1748 char *start_of_text = NULL;
1749 start_of_text = strstr(mptr, "\n\r\n");
1750 if (start_of_text == NULL) start_of_text = strstr(mptr, "\n\n");
1751 if (start_of_text == NULL) start_of_text = mptr;
1753 start_of_text = strstr(start_of_text, "\n");
1758 int nllen = strlen(nl);
1759 while (ch=*mptr, ch!=0) {
1765 ((headers_only == HEADERS_NONE) && (mptr >= start_of_text))
1766 || ((headers_only == HEADERS_ONLY) && (mptr < start_of_text))
1767 || ((headers_only != HEADERS_NONE) && (headers_only != HEADERS_ONLY))
1770 sprintf(&outbuf[outlen], "%s", nl);
1774 outbuf[outlen++] = ch;
1779 if (outlen > 1000) {
1780 client_write(outbuf, outlen);
1785 client_write(outbuf, outlen);
1793 if (headers_only == HEADERS_ONLY) {
1797 /* signify start of msg text */
1798 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1799 if (do_proto) cprintf("text\n");
1802 /* If the format type on disk is 1 (fixed-format), then we want
1803 * everything to be output completely literally ... regardless of
1804 * what message transfer format is in use.
1806 if (TheMessage->cm_format_type == FMT_FIXED) {
1807 if (mode == MT_MIME) {
1808 cprintf("Content-type: text/plain\n\n");
1811 while (ch = *mptr++, ch > 0) {
1814 if ((ch == 10) || (strlen(buf) > 250)) {
1815 cprintf("%s%s", buf, nl);
1818 buf[strlen(buf) + 1] = 0;
1819 buf[strlen(buf)] = ch;
1822 if (strlen(buf) > 0)
1823 cprintf("%s%s", buf, nl);
1826 /* If the message on disk is format 0 (Citadel vari-format), we
1827 * output using the formatter at 80 columns. This is the final output
1828 * form if the transfer format is RFC822, but if the transfer format
1829 * is Citadel proprietary, it'll still work, because the indentation
1830 * for new paragraphs is correct and the client will reformat the
1831 * message to the reader's screen width.
1833 if (TheMessage->cm_format_type == FMT_CITADEL) {
1834 if (mode == MT_MIME) {
1835 cprintf("Content-type: text/x-citadel-variformat\n\n");
1837 memfmout(mptr, 0, nl);
1840 /* If the message on disk is format 4 (MIME), we've gotta hand it
1841 * off to the MIME parser. The client has already been told that
1842 * this message is format 1 (fixed format), so the callback function
1843 * we use will display those parts as-is.
1845 if (TheMessage->cm_format_type == FMT_RFC822) {
1846 memset(&ma, 0, sizeof(struct ma_info));
1848 if (mode == MT_MIME) {
1849 ma.use_fo_hooks = 0;
1850 strcpy(ma.chosen_part, "1");
1851 ma.chosen_pref = 9999;
1852 mime_parser(mptr, NULL,
1853 *choose_preferred, *fixed_output_pre,
1854 *fixed_output_post, (void *)&ma, 0);
1855 mime_parser(mptr, NULL,
1856 *output_preferred, NULL, NULL, (void *)&ma, 0);
1859 ma.use_fo_hooks = 1;
1860 mime_parser(mptr, NULL,
1861 *fixed_output, *fixed_output_pre,
1862 *fixed_output_post, (void *)&ma, 0);
1867 DONE: /* now we're done */
1868 if (do_proto) cprintf("000\n");
1875 * display a message (mode 0 - Citadel proprietary)
1877 void cmd_msg0(char *cmdbuf)
1880 int headers_only = HEADERS_ALL;
1882 msgid = extract_long(cmdbuf, 0);
1883 headers_only = extract_int(cmdbuf, 1);
1885 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL);
1891 * display a message (mode 2 - RFC822)
1893 void cmd_msg2(char *cmdbuf)
1896 int headers_only = HEADERS_ALL;
1898 msgid = extract_long(cmdbuf, 0);
1899 headers_only = extract_int(cmdbuf, 1);
1901 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL);
1907 * display a message (mode 3 - IGnet raw format - internal programs only)
1909 void cmd_msg3(char *cmdbuf)
1912 struct CtdlMessage *msg = NULL;
1915 if (CC->internal_pgm == 0) {
1916 cprintf("%d This command is for internal programs only.\n",
1917 ERROR + HIGHER_ACCESS_REQUIRED);
1921 msgnum = extract_long(cmdbuf, 0);
1922 msg = CtdlFetchMessage(msgnum, 1);
1924 cprintf("%d Message %ld not found.\n",
1925 ERROR + MESSAGE_NOT_FOUND, msgnum);
1929 serialize_message(&smr, msg);
1930 CtdlFreeMessage(msg);
1933 cprintf("%d Unable to serialize message\n",
1934 ERROR + INTERNAL_ERROR);
1938 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1939 client_write((char *)smr.ser, (int)smr.len);
1946 * Display a message using MIME content types
1948 void cmd_msg4(char *cmdbuf)
1953 msgid = extract_long(cmdbuf, 0);
1954 extract_token(section, cmdbuf, 1, '|', sizeof section);
1955 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) );
1961 * Client tells us its preferred message format(s)
1963 void cmd_msgp(char *cmdbuf)
1965 safestrncpy(CC->preferred_formats, cmdbuf,
1966 sizeof(CC->preferred_formats));
1967 cprintf("%d ok\n", CIT_OK);
1972 * Open a component of a MIME message as a download file
1974 void cmd_opna(char *cmdbuf)
1977 char desired_section[128];
1979 msgid = extract_long(cmdbuf, 0);
1980 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
1981 safestrncpy(CC->download_desired_section, desired_section,
1982 sizeof CC->download_desired_section);
1983 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL);
1988 * Open a component of a MIME message and transmit it all at once
1990 void cmd_dlat(char *cmdbuf)
1993 char desired_section[128];
1995 msgid = extract_long(cmdbuf, 0);
1996 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
1997 safestrncpy(CC->download_desired_section, desired_section,
1998 sizeof CC->download_desired_section);
1999 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL);
2004 * Save one or more message pointers into a specified room
2005 * (Returns 0 for success, nonzero for failure)
2006 * roomname may be NULL to use the current room
2008 * Note that the 'supplied_msg' field may be set to NULL, in which case
2009 * the message will be fetched from disk, by number, if we need to perform
2010 * replication checks. This adds an additional database read, so if the
2011 * caller already has the message in memory then it should be supplied. (Obviously
2012 * this mode of operation only works if we're saving a single message.)
2014 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2015 int do_repl_check, struct CtdlMessage *supplied_msg)
2018 char hold_rm[ROOMNAMELEN];
2019 struct cdbdata *cdbfr;
2022 long highest_msg = 0L;
2025 struct CtdlMessage *msg = NULL;
2027 long *msgs_to_be_merged = NULL;
2028 int num_msgs_to_be_merged = 0;
2031 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d)\n",
2032 roomname, num_newmsgs, do_repl_check);
2034 strcpy(hold_rm, CC->room.QRname);
2037 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2038 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2039 if (num_newmsgs > 1) supplied_msg = NULL;
2041 /* Now the regular stuff */
2042 if (lgetroom(&CC->room,
2043 ((roomname != NULL) ? roomname : CC->room.QRname) )
2045 lprintf(CTDL_ERR, "No such room <%s>\n", roomname);
2046 return(ERROR + ROOM_NOT_FOUND);
2050 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2051 num_msgs_to_be_merged = 0;
2054 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2055 if (cdbfr == NULL) {
2059 msglist = (long *) cdbfr->ptr;
2060 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2061 num_msgs = cdbfr->len / sizeof(long);
2066 /* Create a list of msgid's which were supplied by the caller, but do
2067 * not already exist in the target room. It is absolutely taboo to
2068 * have more than one reference to the same message in a room.
2070 for (i=0; i<num_newmsgs; ++i) {
2072 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2073 if (msglist[j] == newmsgidlist[i]) {
2078 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2082 lprintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2085 * Now merge the new messages
2087 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2088 if (msglist == NULL) {
2089 lprintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2091 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2092 num_msgs += num_msgs_to_be_merged;
2094 /* Sort the message list, so all the msgid's are in order */
2095 num_msgs = sort_msglist(msglist, num_msgs);
2097 /* Determine the highest message number */
2098 highest_msg = msglist[num_msgs - 1];
2100 /* Write it back to disk. */
2101 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2102 msglist, (int)(num_msgs * sizeof(long)));
2104 /* Free up the memory we used. */
2107 /* Update the highest-message pointer and unlock the room. */
2108 CC->room.QRhighest = highest_msg;
2109 lputroom(&CC->room);
2111 /* Perform replication checks if necessary */
2112 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2113 lprintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2115 for (i=0; i<num_msgs_to_be_merged; ++i) {
2116 msgid = msgs_to_be_merged[i];
2118 if (supplied_msg != NULL) {
2122 msg = CtdlFetchMessage(msgid, 0);
2126 ReplicationChecks(msg);
2128 /* If the message has an Exclusive ID, index that... */
2129 if (msg->cm_fields['E'] != NULL) {
2130 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2133 /* Free up the memory we may have allocated */
2134 if (msg != supplied_msg) {
2135 CtdlFreeMessage(msg);
2143 lprintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2146 /* Submit this room for processing by hooks */
2147 PerformRoomHooks(&CC->room);
2149 /* Go back to the room we were in before we wandered here... */
2150 getroom(&CC->room, hold_rm);
2152 /* Bump the reference count for all messages which were merged */
2153 for (i=0; i<num_msgs_to_be_merged; ++i) {
2154 AdjRefCount(msgs_to_be_merged[i], +1);
2157 /* Free up memory... */
2158 if (msgs_to_be_merged != NULL) {
2159 free(msgs_to_be_merged);
2162 /* Return success. */
2168 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2171 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2172 int do_repl_check, struct CtdlMessage *supplied_msg)
2174 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg);
2181 * Message base operation to save a new message to the message store
2182 * (returns new message number)
2184 * This is the back end for CtdlSubmitMsg() and should not be directly
2185 * called by server-side modules.
2188 long send_message(struct CtdlMessage *msg) {
2196 /* Get a new message number */
2197 newmsgid = get_new_message_number();
2198 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2200 /* Generate an ID if we don't have one already */
2201 if (msg->cm_fields['I']==NULL) {
2202 msg->cm_fields['I'] = strdup(msgidbuf);
2205 /* If the message is big, set its body aside for storage elsewhere */
2206 if (msg->cm_fields['M'] != NULL) {
2207 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2209 holdM = msg->cm_fields['M'];
2210 msg->cm_fields['M'] = NULL;
2214 /* Serialize our data structure for storage in the database */
2215 serialize_message(&smr, msg);
2218 msg->cm_fields['M'] = holdM;
2222 cprintf("%d Unable to serialize message\n",
2223 ERROR + INTERNAL_ERROR);
2227 /* Write our little bundle of joy into the message base */
2228 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2229 smr.ser, smr.len) < 0) {
2230 lprintf(CTDL_ERR, "Can't store message\n");
2234 cdb_store(CDB_BIGMSGS,
2244 /* Free the memory we used for the serialized message */
2247 /* Return the *local* message ID to the caller
2248 * (even if we're storing an incoming network message)
2256 * Serialize a struct CtdlMessage into the format used on disk and network.
2258 * This function loads up a "struct ser_ret" (defined in server.h) which
2259 * contains the length of the serialized message and a pointer to the
2260 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2262 void serialize_message(struct ser_ret *ret, /* return values */
2263 struct CtdlMessage *msg) /* unserialized msg */
2265 size_t wlen, fieldlen;
2267 static char *forder = FORDER;
2270 * Check for valid message format
2272 if (is_valid_message(msg) == 0) {
2273 lprintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2280 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2281 ret->len = ret->len +
2282 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2284 ret->ser = malloc(ret->len);
2285 if (ret->ser == NULL) {
2286 lprintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2287 (long)ret->len, strerror(errno));
2294 ret->ser[1] = msg->cm_anon_type;
2295 ret->ser[2] = msg->cm_format_type;
2298 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2299 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2300 ret->ser[wlen++] = (char)forder[i];
2301 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2302 wlen = wlen + fieldlen + 1;
2304 if (ret->len != wlen) lprintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2305 (long)ret->len, (long)wlen);
2313 * Check to see if any messages already exist in the current room which
2314 * carry the same Exclusive ID as this one. If any are found, delete them.
2316 void ReplicationChecks(struct CtdlMessage *msg) {
2317 long old_msgnum = (-1L);
2319 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2321 lprintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2324 /* No exclusive id? Don't do anything. */
2325 if (msg == NULL) return;
2326 if (msg->cm_fields['E'] == NULL) return;
2327 if (strlen(msg->cm_fields['E']) == 0) return;
2328 /*lprintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2329 msg->cm_fields['E'], CC->room.QRname);*/
2331 old_msgnum = locate_message_by_euid(msg->cm_fields['E'], &CC->room);
2332 if (old_msgnum > 0L) {
2333 lprintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2334 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2341 * Save a message to disk and submit it into the delivery system.
2343 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2344 struct recptypes *recps, /* recipients (if mail) */
2345 char *force /* force a particular room? */
2347 char submit_filename[128];
2348 char generated_timestamp[32];
2349 char hold_rm[ROOMNAMELEN];
2350 char actual_rm[ROOMNAMELEN];
2351 char force_room[ROOMNAMELEN];
2352 char content_type[SIZ]; /* We have to learn this */
2353 char recipient[SIZ];
2356 struct ctdluser userbuf;
2358 struct MetaData smi;
2359 FILE *network_fp = NULL;
2360 static int seqnum = 1;
2361 struct CtdlMessage *imsg = NULL;
2363 size_t instr_alloc = 0;
2365 char *hold_R, *hold_D;
2366 char *collected_addresses = NULL;
2367 struct addresses_to_be_filed *aptr = NULL;
2368 char *saved_rfc822_version = NULL;
2369 int qualified_for_journaling = 0;
2371 lprintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2372 if (is_valid_message(msg) == 0) return(-1); /* self check */
2374 /* If this message has no timestamp, we take the liberty of
2375 * giving it one, right now.
2377 if (msg->cm_fields['T'] == NULL) {
2378 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2379 msg->cm_fields['T'] = strdup(generated_timestamp);
2382 /* If this message has no path, we generate one.
2384 if (msg->cm_fields['P'] == NULL) {
2385 if (msg->cm_fields['A'] != NULL) {
2386 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2387 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
2388 if (isspace(msg->cm_fields['P'][a])) {
2389 msg->cm_fields['P'][a] = ' ';
2394 msg->cm_fields['P'] = strdup("unknown");
2398 if (force == NULL) {
2399 strcpy(force_room, "");
2402 strcpy(force_room, force);
2405 /* Learn about what's inside, because it's what's inside that counts */
2406 if (msg->cm_fields['M'] == NULL) {
2407 lprintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2411 switch (msg->cm_format_type) {
2413 strcpy(content_type, "text/x-citadel-variformat");
2416 strcpy(content_type, "text/plain");
2419 strcpy(content_type, "text/plain");
2420 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
2422 safestrncpy(content_type, &mptr[13], sizeof content_type);
2423 striplt(content_type);
2424 for (a = 0; a < strlen(content_type); ++a) {
2425 if ((content_type[a] == ';')
2426 || (content_type[a] == ' ')
2427 || (content_type[a] == 13)
2428 || (content_type[a] == 10)) {
2429 content_type[a] = 0;
2435 /* Goto the correct room */
2436 lprintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CC->room.QRname : SENTITEMS);
2437 strcpy(hold_rm, CC->room.QRname);
2438 strcpy(actual_rm, CC->room.QRname);
2439 if (recps != NULL) {
2440 strcpy(actual_rm, SENTITEMS);
2443 /* If the user is a twit, move to the twit room for posting */
2445 if (CC->user.axlevel == 2) {
2446 strcpy(hold_rm, actual_rm);
2447 strcpy(actual_rm, config.c_twitroom);
2448 lprintf(CTDL_DEBUG, "Diverting to twit room\n");
2452 /* ...or if this message is destined for Aide> then go there. */
2453 if (strlen(force_room) > 0) {
2454 strcpy(actual_rm, force_room);
2457 lprintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2458 if (strcasecmp(actual_rm, CC->room.QRname)) {
2459 /* getroom(&CC->room, actual_rm); */
2460 usergoto(actual_rm, 0, 1, NULL, NULL);
2464 * If this message has no O (room) field, generate one.
2466 if (msg->cm_fields['O'] == NULL) {
2467 msg->cm_fields['O'] = strdup(CC->room.QRname);
2470 /* Perform "before save" hooks (aborting if any return nonzero) */
2471 lprintf(CTDL_DEBUG, "Performing before-save hooks\n");
2472 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2475 * If this message has an Exclusive ID, and the room is replication
2476 * checking enabled, then do replication checks.
2478 if (DoesThisRoomNeedEuidIndexing(&CC->room)) {
2479 ReplicationChecks(msg);
2482 /* Save it to disk */
2483 lprintf(CTDL_DEBUG, "Saving to disk\n");
2484 newmsgid = send_message(msg);
2485 if (newmsgid <= 0L) return(-5);
2487 /* Write a supplemental message info record. This doesn't have to
2488 * be a critical section because nobody else knows about this message
2491 lprintf(CTDL_DEBUG, "Creating MetaData record\n");
2492 memset(&smi, 0, sizeof(struct MetaData));
2493 smi.meta_msgnum = newmsgid;
2494 smi.meta_refcount = 0;
2495 safestrncpy(smi.meta_content_type, content_type,
2496 sizeof smi.meta_content_type);
2499 * Measure how big this message will be when rendered as RFC822.
2500 * We do this for two reasons:
2501 * 1. We need the RFC822 length for the new metadata record, so the
2502 * POP and IMAP services don't have to calculate message lengths
2503 * while the user is waiting (multiplied by potentially hundreds
2504 * or thousands of messages).
2505 * 2. If journaling is enabled, we will need an RFC822 version of the
2506 * message to attach to the journalized copy.
2508 if (CC->redirect_buffer != NULL) {
2509 lprintf(CTDL_ALERT, "CC->redirect_buffer is not NULL during message submission!\n");
2512 CC->redirect_buffer = malloc(SIZ);
2513 CC->redirect_len = 0;
2514 CC->redirect_alloc = SIZ;
2515 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1);
2516 smi.meta_rfc822_length = CC->redirect_len;
2517 saved_rfc822_version = CC->redirect_buffer;
2518 CC->redirect_buffer = NULL;
2519 CC->redirect_len = 0;
2520 CC->redirect_alloc = 0;
2524 /* Now figure out where to store the pointers */
2525 lprintf(CTDL_DEBUG, "Storing pointers\n");
2527 /* If this is being done by the networker delivering a private
2528 * message, we want to BYPASS saving the sender's copy (because there
2529 * is no local sender; it would otherwise go to the Trashcan).
2531 if ((!CC->internal_pgm) || (recps == NULL)) {
2532 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2533 lprintf(CTDL_ERR, "ERROR saving message pointer!\n");
2534 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2538 /* For internet mail, drop a copy in the outbound queue room */
2540 if (recps->num_internet > 0) {
2541 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2544 /* If other rooms are specified, drop them there too. */
2546 if (recps->num_room > 0)
2547 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2548 extract_token(recipient, recps->recp_room, i,
2549 '|', sizeof recipient);
2550 lprintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2551 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2554 /* Bump this user's messages posted counter. */
2555 lprintf(CTDL_DEBUG, "Updating user\n");
2556 lgetuser(&CC->user, CC->curr_user);
2557 CC->user.posted = CC->user.posted + 1;
2558 lputuser(&CC->user);
2560 /* If this is private, local mail, make a copy in the
2561 * recipient's mailbox and bump the reference count.
2564 if (recps->num_local > 0)
2565 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2566 extract_token(recipient, recps->recp_local, i,
2567 '|', sizeof recipient);
2568 lprintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2570 if (getuser(&userbuf, recipient) == 0) {
2571 // Add a flag so the Funambol module knows its mail
2572 msg->cm_fields['W'] = strdup(recipient);
2573 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2574 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2575 BumpNewMailCounter(userbuf.usernum);
2576 if (strlen(config.c_funambol_host) > 0) {
2577 /* Generate a instruction message for the Funambol notification
2578 * server, in the same style as the SMTP queue
2581 instr = malloc(instr_alloc);
2582 snprintf(instr, instr_alloc,
2583 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2585 SPOOLMIME, newmsgid, (long)time(NULL),
2586 msg->cm_fields['A'], msg->cm_fields['N']
2589 imsg = malloc(sizeof(struct CtdlMessage));
2590 memset(imsg, 0, sizeof(struct CtdlMessage));
2591 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2592 imsg->cm_anon_type = MES_NORMAL;
2593 imsg->cm_format_type = FMT_RFC822;
2594 imsg->cm_fields['A'] = strdup("Citadel");
2595 imsg->cm_fields['J'] = strdup("do not journal");
2596 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
2597 imsg->cm_fields['W'] = strdup(recipient);
2598 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM);
2599 CtdlFreeMessage(imsg);
2603 lprintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2604 CtdlSaveMsgPointerInRoom(config.c_aideroom,
2609 /* Perform "after save" hooks */
2610 lprintf(CTDL_DEBUG, "Performing after-save hooks\n");
2611 PerformMessageHooks(msg, EVT_AFTERSAVE);
2613 /* For IGnet mail, we have to save a new copy into the spooler for
2614 * each recipient, with the R and D fields set to the recipient and
2615 * destination-node. This has two ugly side effects: all other
2616 * recipients end up being unlisted in this recipient's copy of the
2617 * message, and it has to deliver multiple messages to the same
2618 * node. We'll revisit this again in a year or so when everyone has
2619 * a network spool receiver that can handle the new style messages.
2622 if (recps->num_ignet > 0)
2623 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2624 extract_token(recipient, recps->recp_ignet, i,
2625 '|', sizeof recipient);
2627 hold_R = msg->cm_fields['R'];
2628 hold_D = msg->cm_fields['D'];
2629 msg->cm_fields['R'] = malloc(SIZ);
2630 msg->cm_fields['D'] = malloc(128);
2631 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
2632 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
2634 serialize_message(&smr, msg);
2636 snprintf(submit_filename, sizeof submit_filename,
2637 "%s/netmail.%04lx.%04x.%04x",
2639 (long) getpid(), CC->cs_pid, ++seqnum);
2640 network_fp = fopen(submit_filename, "wb+");
2641 if (network_fp != NULL) {
2642 fwrite(smr.ser, smr.len, 1, network_fp);
2648 free(msg->cm_fields['R']);
2649 free(msg->cm_fields['D']);
2650 msg->cm_fields['R'] = hold_R;
2651 msg->cm_fields['D'] = hold_D;
2654 /* Go back to the room we started from */
2655 lprintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2656 if (strcasecmp(hold_rm, CC->room.QRname))
2657 usergoto(hold_rm, 0, 1, NULL, NULL);
2659 /* For internet mail, generate delivery instructions.
2660 * Yes, this is recursive. Deal with it. Infinite recursion does
2661 * not happen because the delivery instructions message does not
2662 * contain a recipient.
2665 if (recps->num_internet > 0) {
2666 lprintf(CTDL_DEBUG, "Generating delivery instructions\n");
2668 instr = malloc(instr_alloc);
2669 snprintf(instr, instr_alloc,
2670 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2672 SPOOLMIME, newmsgid, (long)time(NULL),
2673 msg->cm_fields['A'], msg->cm_fields['N']
2676 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2677 size_t tmp = strlen(instr);
2678 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
2679 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
2680 instr_alloc = instr_alloc * 2;
2681 instr = realloc(instr, instr_alloc);
2683 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
2686 imsg = malloc(sizeof(struct CtdlMessage));
2687 memset(imsg, 0, sizeof(struct CtdlMessage));
2688 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2689 imsg->cm_anon_type = MES_NORMAL;
2690 imsg->cm_format_type = FMT_RFC822;
2691 imsg->cm_fields['A'] = strdup("Citadel");
2692 imsg->cm_fields['J'] = strdup("do not journal");
2693 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
2694 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2695 CtdlFreeMessage(imsg);
2699 * Any addresses to harvest for someone's address book?
2701 if ( (CC->logged_in) && (recps != NULL) ) {
2702 collected_addresses = harvest_collected_addresses(msg);
2705 if (collected_addresses != NULL) {
2706 begin_critical_section(S_ATBF);
2707 aptr = (struct addresses_to_be_filed *)
2708 malloc(sizeof(struct addresses_to_be_filed));
2710 MailboxName(actual_rm, sizeof actual_rm,
2711 &CC->user, USERCONTACTSROOM);
2712 aptr->roomname = strdup(actual_rm);
2713 aptr->collected_addresses = collected_addresses;
2715 end_critical_section(S_ATBF);
2719 * Determine whether this message qualifies for journaling.
2721 if (msg->cm_fields['J'] != NULL) {
2722 qualified_for_journaling = 0;
2725 if (recps == NULL) {
2726 qualified_for_journaling = config.c_journal_pubmsgs;
2728 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
2729 qualified_for_journaling = config.c_journal_email;
2732 qualified_for_journaling = config.c_journal_pubmsgs;
2737 * Do we have to perform journaling? If so, hand off the saved
2738 * RFC822 version will be handed off to the journaler for background
2739 * submit. Otherwise, we have to free the memory ourselves.
2741 if (saved_rfc822_version != NULL) {
2742 if (qualified_for_journaling) {
2743 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
2746 free(saved_rfc822_version);
2759 * Convenience function for generating small administrative messages.
2761 void quickie_message(char *from, char *fromaddr, char *to, char *room, char *text,
2762 int format_type, char *subject)
2764 struct CtdlMessage *msg;
2765 struct recptypes *recp = NULL;
2767 msg = malloc(sizeof(struct CtdlMessage));
2768 memset(msg, 0, sizeof(struct CtdlMessage));
2769 msg->cm_magic = CTDLMESSAGE_MAGIC;
2770 msg->cm_anon_type = MES_NORMAL;
2771 msg->cm_format_type = format_type;
2774 msg->cm_fields['A'] = strdup(from);
2776 else if (fromaddr != NULL) {
2777 msg->cm_fields['A'] = strdup(fromaddr);
2778 if (strchr(msg->cm_fields['A'], '@')) {
2779 *strchr(msg->cm_fields['A'], '@') = 0;
2783 msg->cm_fields['A'] = strdup("Citadel");
2786 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
2787 if (room != NULL) msg->cm_fields['O'] = strdup(room);
2788 msg->cm_fields['N'] = strdup(NODENAME);
2790 msg->cm_fields['R'] = strdup(to);
2791 recp = validate_recipients(to);
2793 if (subject != NULL) {
2794 msg->cm_fields['U'] = strdup(subject);
2796 msg->cm_fields['M'] = strdup(text);
2798 CtdlSubmitMsg(msg, recp, room);
2799 CtdlFreeMessage(msg);
2800 if (recp != NULL) free_recipients(recp);
2806 * Back end function used by CtdlMakeMessage() and similar functions
2808 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2809 size_t maxlen, /* maximum message length */
2810 char *exist, /* if non-null, append to it;
2811 exist is ALWAYS freed */
2812 int crlf /* CRLF newlines instead of LF */
2816 size_t message_len = 0;
2817 size_t buffer_len = 0;
2824 if (exist == NULL) {
2831 message_len = strlen(exist);
2832 buffer_len = message_len + 4096;
2833 m = realloc(exist, buffer_len);
2840 /* Do we need to change leading ".." to "." for SMTP escaping? */
2841 if (!strcmp(terminator, ".")) {
2845 /* flush the input if we have nowhere to store it */
2850 /* read in the lines of message text one by one */
2852 if (client_getln(buf, (sizeof buf - 3)) < 1) finished = 1;
2853 if (!strcmp(buf, terminator)) finished = 1;
2855 strcat(buf, "\r\n");
2861 /* Unescape SMTP-style input of two dots at the beginning of the line */
2863 if (!strncmp(buf, "..", 2)) {
2864 strcpy(buf, &buf[1]);
2868 if ( (!flushing) && (!finished) ) {
2869 /* Measure the line */
2870 linelen = strlen(buf);
2872 /* augment the buffer if we have to */
2873 if ((message_len + linelen) >= buffer_len) {
2874 ptr = realloc(m, (buffer_len * 2) );
2875 if (ptr == NULL) { /* flush if can't allocate */
2878 buffer_len = (buffer_len * 2);
2880 lprintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
2884 /* Add the new line to the buffer. NOTE: this loop must avoid
2885 * using functions like strcat() and strlen() because they
2886 * traverse the entire buffer upon every call, and doing that
2887 * for a multi-megabyte message slows it down beyond usability.
2889 strcpy(&m[message_len], buf);
2890 message_len += linelen;
2893 /* if we've hit the max msg length, flush the rest */
2894 if (message_len >= maxlen) flushing = 1;
2896 } while (!finished);
2904 * Build a binary message to be saved on disk.
2905 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2906 * will become part of the message. This means you are no longer
2907 * responsible for managing that memory -- it will be freed along with
2908 * the rest of the fields when CtdlFreeMessage() is called.)
2911 struct CtdlMessage *CtdlMakeMessage(
2912 struct ctdluser *author, /* author's user structure */
2913 char *recipient, /* NULL if it's not mail */
2914 char *recp_cc, /* NULL if it's not mail */
2915 char *room, /* room where it's going */
2916 int type, /* see MES_ types in header file */
2917 int format_type, /* variformat, plain text, MIME... */
2918 char *fake_name, /* who we're masquerading as */
2919 char *my_email, /* which of my email addresses to use (empty is ok) */
2920 char *subject, /* Subject (optional) */
2921 char *supplied_euid, /* ...or NULL if this is irrelevant */
2922 char *preformatted_text /* ...or NULL to read text from client */
2924 char dest_node[256];
2926 struct CtdlMessage *msg;
2929 msg = malloc(sizeof(struct CtdlMessage));
2930 memset(msg, 0, sizeof(struct CtdlMessage));
2931 msg->cm_magic = CTDLMESSAGE_MAGIC;
2932 msg->cm_anon_type = type;
2933 msg->cm_format_type = format_type;
2935 /* Don't confuse the poor folks if it's not routed mail. */
2936 strcpy(dest_node, "");
2941 /* Path or Return-Path */
2942 if (my_email == NULL) my_email = "";
2944 if (strlen(my_email) > 0) {
2945 msg->cm_fields['P'] = strdup(my_email);
2948 snprintf(buf, sizeof buf, "%s", author->fullname);
2949 msg->cm_fields['P'] = strdup(buf);
2951 for (i=0; (msg->cm_fields['P'][i]!=0); ++i) {
2952 if (isspace(msg->cm_fields['P'][i])) {
2953 msg->cm_fields['P'][i] = '_';
2957 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2958 msg->cm_fields['T'] = strdup(buf);
2960 if (fake_name[0]) /* author */
2961 msg->cm_fields['A'] = strdup(fake_name);
2963 msg->cm_fields['A'] = strdup(author->fullname);
2965 if (CC->room.QRflags & QR_MAILBOX) { /* room */
2966 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
2969 msg->cm_fields['O'] = strdup(CC->room.QRname);
2972 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
2973 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
2975 if (recipient[0] != 0) {
2976 msg->cm_fields['R'] = strdup(recipient);
2978 if (recp_cc[0] != 0) {
2979 msg->cm_fields['Y'] = strdup(recp_cc);
2981 if (dest_node[0] != 0) {
2982 msg->cm_fields['D'] = strdup(dest_node);
2985 if (strlen(my_email) > 0) {
2986 msg->cm_fields['F'] = strdup(my_email);
2988 else if ( (author == &CC->user) && (strlen(CC->cs_inet_email) > 0) ) {
2989 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
2992 if (subject != NULL) {
2995 length = strlen(subject);
3001 while ((subject[i] != '\0') &&
3002 (IsAscii = isascii(subject[i]) != 0 ))
3005 msg->cm_fields['U'] = strdup(subject);
3006 else /* ok, we've got utf8 in the string. */
3008 msg->cm_fields['U'] = rfc2047encode(subject, length);
3014 if (supplied_euid != NULL) {
3015 msg->cm_fields['E'] = strdup(supplied_euid);
3018 if (preformatted_text != NULL) {
3019 msg->cm_fields['M'] = preformatted_text;
3022 msg->cm_fields['M'] = CtdlReadMessageBody("000", config.c_maxmsglen, NULL, 0);
3030 * Check to see whether we have permission to post a message in the current
3031 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3032 * returns 0 on success.
3034 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
3037 if (!(CC->logged_in)) {
3038 snprintf(errmsgbuf, n, "Not logged in.");
3039 return (ERROR + NOT_LOGGED_IN);
3042 if ((CC->user.axlevel < 2)
3043 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3044 snprintf(errmsgbuf, n, "Need to be validated to enter "
3045 "(except in %s> to sysop)", MAILROOM);
3046 return (ERROR + HIGHER_ACCESS_REQUIRED);
3049 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3050 if (!(ra & UA_POSTALLOWED)) {
3051 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3052 return (ERROR + HIGHER_ACCESS_REQUIRED);
3055 strcpy(errmsgbuf, "Ok");
3061 * Check to see if the specified user has Internet mail permission
3062 * (returns nonzero if permission is granted)
3064 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3066 /* Do not allow twits to send Internet mail */
3067 if (who->axlevel <= 2) return(0);
3069 /* Globally enabled? */
3070 if (config.c_restrict == 0) return(1);
3072 /* User flagged ok? */
3073 if (who->flags & US_INTERNET) return(2);
3075 /* Aide level access? */
3076 if (who->axlevel >= 6) return(3);
3078 /* No mail for you! */
3084 * Validate recipients, count delivery types and errors, and handle aliasing
3085 * FIXME check for dupes!!!!!
3087 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3088 * were specified, or the number of addresses found invalid.
3090 * Caller needs to free the result using free_recipients()
3092 struct recptypes *validate_recipients(char *supplied_recipients) {
3093 struct recptypes *ret;
3094 char *recipients = NULL;
3095 char this_recp[256];
3096 char this_recp_cooked[256];
3102 struct ctdluser tempUS;
3103 struct ctdlroom tempQR;
3107 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3108 if (ret == NULL) return(NULL);
3110 /* Set all strings to null and numeric values to zero */
3111 memset(ret, 0, sizeof(struct recptypes));
3113 if (supplied_recipients == NULL) {
3114 recipients = strdup("");
3117 recipients = strdup(supplied_recipients);
3120 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3121 * actually need, but it's healthier for the heap than doing lots of tiny
3122 * realloc() calls instead.
3125 ret->errormsg = malloc(strlen(recipients) + 1024);
3126 ret->recp_local = malloc(strlen(recipients) + 1024);
3127 ret->recp_internet = malloc(strlen(recipients) + 1024);
3128 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3129 ret->recp_room = malloc(strlen(recipients) + 1024);
3130 ret->display_recp = malloc(strlen(recipients) + 1024);
3132 ret->errormsg[0] = 0;
3133 ret->recp_local[0] = 0;
3134 ret->recp_internet[0] = 0;
3135 ret->recp_ignet[0] = 0;
3136 ret->recp_room[0] = 0;
3137 ret->display_recp[0] = 0;
3139 ret->recptypes_magic = RECPTYPES_MAGIC;
3141 /* Change all valid separator characters to commas */
3142 for (i=0; i<strlen(recipients); ++i) {
3143 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3144 recipients[i] = ',';
3148 /* Now start extracting recipients... */
3150 while (strlen(recipients) > 0) {
3152 for (i=0; i<=strlen(recipients); ++i) {
3153 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3154 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3155 safestrncpy(this_recp, recipients, i+1);
3157 if (recipients[i] == ',') {
3158 strcpy(recipients, &recipients[i+1]);
3161 strcpy(recipients, "");
3168 lprintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3170 mailtype = alias(this_recp);
3171 mailtype = alias(this_recp);
3172 mailtype = alias(this_recp);
3173 for (j=0; j<=strlen(this_recp); ++j) {
3174 if (this_recp[j]=='_') {
3175 this_recp_cooked[j] = ' ';
3178 this_recp_cooked[j] = this_recp[j];
3184 if (!strcasecmp(this_recp, "sysop")) {
3186 strcpy(this_recp, config.c_aideroom);
3187 if (strlen(ret->recp_room) > 0) {
3188 strcat(ret->recp_room, "|");
3190 strcat(ret->recp_room, this_recp);
3192 else if (getuser(&tempUS, this_recp) == 0) {
3194 strcpy(this_recp, tempUS.fullname);
3195 if (strlen(ret->recp_local) > 0) {
3196 strcat(ret->recp_local, "|");
3198 strcat(ret->recp_local, this_recp);
3200 else if (getuser(&tempUS, this_recp_cooked) == 0) {
3202 strcpy(this_recp, tempUS.fullname);
3203 if (strlen(ret->recp_local) > 0) {
3204 strcat(ret->recp_local, "|");
3206 strcat(ret->recp_local, this_recp);
3208 else if ( (!strncasecmp(this_recp, "room_", 5))
3209 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
3211 if (strlen(ret->recp_room) > 0) {
3212 strcat(ret->recp_room, "|");
3214 strcat(ret->recp_room, &this_recp_cooked[5]);
3222 /* Yes, you're reading this correctly: if the target
3223 * domain points back to the local system or an attached
3224 * Citadel directory, the address is invalid. That's
3225 * because if the address were valid, we would have
3226 * already translated it to a local address by now.
3228 if (IsDirectory(this_recp, 0)) {
3233 ++ret->num_internet;
3234 if (strlen(ret->recp_internet) > 0) {
3235 strcat(ret->recp_internet, "|");
3237 strcat(ret->recp_internet, this_recp);
3242 if (strlen(ret->recp_ignet) > 0) {
3243 strcat(ret->recp_ignet, "|");
3245 strcat(ret->recp_ignet, this_recp);
3253 if (strlen(ret->errormsg) == 0) {
3254 snprintf(append, sizeof append,
3255 "Invalid recipient: %s",
3259 snprintf(append, sizeof append, ", %s", this_recp);
3261 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
3262 strcat(ret->errormsg, append);
3266 if (strlen(ret->display_recp) == 0) {
3267 strcpy(append, this_recp);
3270 snprintf(append, sizeof append, ", %s", this_recp);
3272 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3273 strcat(ret->display_recp, append);
3278 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3279 ret->num_room + ret->num_error) == 0) {
3280 ret->num_error = (-1);
3281 strcpy(ret->errormsg, "No recipients specified.");
3284 lprintf(CTDL_DEBUG, "validate_recipients()\n");
3285 lprintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3286 lprintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3287 lprintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3288 lprintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3289 lprintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3297 * Destructor for struct recptypes
3299 void free_recipients(struct recptypes *valid) {
3301 if (valid == NULL) {
3305 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
3306 lprintf(CTDL_EMERG, "Attempt to call free_recipients() on some other data type!\n");
3310 if (valid->errormsg != NULL) free(valid->errormsg);
3311 if (valid->recp_local != NULL) free(valid->recp_local);
3312 if (valid->recp_internet != NULL) free(valid->recp_internet);
3313 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
3314 if (valid->recp_room != NULL) free(valid->recp_room);
3315 if (valid->display_recp != NULL) free(valid->display_recp);
3322 * message entry - mode 0 (normal)
3324 void cmd_ent0(char *entargs)
3330 char supplied_euid[128];
3332 int format_type = 0;
3333 char newusername[256];
3334 char newuseremail[256];
3335 struct CtdlMessage *msg;
3339 struct recptypes *valid = NULL;
3340 struct recptypes *valid_to = NULL;
3341 struct recptypes *valid_cc = NULL;
3342 struct recptypes *valid_bcc = NULL;
3344 int subject_required = 0;
3349 int newuseremail_ok = 0;
3353 post = extract_int(entargs, 0);
3354 extract_token(recp, entargs, 1, '|', sizeof recp);
3355 anon_flag = extract_int(entargs, 2);
3356 format_type = extract_int(entargs, 3);
3357 extract_token(subject, entargs, 4, '|', sizeof subject);
3358 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3359 do_confirm = extract_int(entargs, 6);
3360 extract_token(cc, entargs, 7, '|', sizeof cc);
3361 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3362 switch(CC->room.QRdefaultview) {
3365 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3368 supplied_euid[0] = 0;
3371 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
3373 /* first check to make sure the request is valid. */
3375 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
3378 cprintf("%d %s\n", err, errmsg);
3382 /* Check some other permission type things. */
3384 if (strlen(newusername) == 0) {
3385 strcpy(newusername, CC->user.fullname);
3387 if ( (CC->user.axlevel < 6)
3388 && (strcasecmp(newusername, CC->user.fullname))
3389 && (strcasecmp(newusername, CC->cs_inet_fn))
3391 cprintf("%d You don't have permission to author messages as '%s'.\n",
3392 ERROR + HIGHER_ACCESS_REQUIRED,
3399 if (strlen(newuseremail) == 0) {
3400 newuseremail_ok = 1;
3403 if (strlen(newuseremail) > 0) {
3404 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
3405 newuseremail_ok = 1;
3407 else if (strlen(CC->cs_inet_other_emails) > 0) {
3408 j = num_tokens(CC->cs_inet_other_emails, '|');
3409 for (i=0; i<j; ++i) {
3410 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
3411 if (!strcasecmp(newuseremail, buf)) {
3412 newuseremail_ok = 1;
3418 if (!newuseremail_ok) {
3419 cprintf("%d You don't have permission to author messages as '%s'.\n",
3420 ERROR + HIGHER_ACCESS_REQUIRED,
3426 CC->cs_flags |= CS_POSTING;
3428 /* In mailbox rooms we have to behave a little differently --
3429 * make sure the user has specified at least one recipient. Then
3430 * validate the recipient(s). We do this for the Mail> room, as
3431 * well as any room which has the "Mailbox" view set.
3434 if ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
3435 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
3437 if (CC->user.axlevel < 2) {
3438 strcpy(recp, "sysop");
3443 valid_to = validate_recipients(recp);
3444 if (valid_to->num_error > 0) {
3445 cprintf("%d Invalid recipient (To)\n", ERROR + NO_SUCH_USER);
3446 free_recipients(valid_to);
3450 valid_cc = validate_recipients(cc);
3451 if (valid_cc->num_error > 0) {
3452 cprintf("%d Invalid recipient (CC)\n", ERROR + NO_SUCH_USER);
3453 free_recipients(valid_to);
3454 free_recipients(valid_cc);
3458 valid_bcc = validate_recipients(bcc);
3459 if (valid_bcc->num_error > 0) {
3460 cprintf("%d Invalid recipient (BCC)\n", ERROR + NO_SUCH_USER);
3461 free_recipients(valid_to);
3462 free_recipients(valid_cc);
3463 free_recipients(valid_bcc);
3467 /* Recipient required, but none were specified */
3468 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
3469 free_recipients(valid_to);
3470 free_recipients(valid_cc);
3471 free_recipients(valid_bcc);
3472 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
3476 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
3477 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
3478 cprintf("%d You do not have permission "
3479 "to send Internet mail.\n",
3480 ERROR + HIGHER_ACCESS_REQUIRED);
3481 free_recipients(valid_to);
3482 free_recipients(valid_cc);
3483 free_recipients(valid_bcc);
3488 if ( ( (valid_to->num_internet + valid_to->num_ignet + valid_cc->num_internet + valid_cc->num_ignet + valid_bcc->num_internet + valid_bcc->num_ignet) > 0)
3489 && (CC->user.axlevel < 4) ) {
3490 cprintf("%d Higher access required for network mail.\n",
3491 ERROR + HIGHER_ACCESS_REQUIRED);
3492 free_recipients(valid_to);
3493 free_recipients(valid_cc);
3494 free_recipients(valid_bcc);
3498 if ((RESTRICT_INTERNET == 1)
3499 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
3500 && ((CC->user.flags & US_INTERNET) == 0)
3501 && (!CC->internal_pgm)) {
3502 cprintf("%d You don't have access to Internet mail.\n",
3503 ERROR + HIGHER_ACCESS_REQUIRED);
3504 free_recipients(valid_to);
3505 free_recipients(valid_cc);
3506 free_recipients(valid_bcc);
3512 /* Is this a room which has anonymous-only or anonymous-option? */
3513 anonymous = MES_NORMAL;
3514 if (CC->room.QRflags & QR_ANONONLY) {
3515 anonymous = MES_ANONONLY;
3517 if (CC->room.QRflags & QR_ANONOPT) {
3518 if (anon_flag == 1) { /* only if the user requested it */
3519 anonymous = MES_ANONOPT;
3523 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
3527 /* Recommend to the client that the use of a message subject is
3528 * strongly recommended in this room, if either the SUBJECTREQ flag
3529 * is set, or if there is one or more Internet email recipients.
3531 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
3532 if (valid_to) if (valid_to->num_internet > 0) subject_required = 1;
3533 if (valid_cc) if (valid_cc->num_internet > 0) subject_required = 1;
3534 if (valid_bcc) if (valid_bcc->num_internet > 0) subject_required = 1;
3536 /* If we're only checking the validity of the request, return
3537 * success without creating the message.
3540 cprintf("%d %s|%d\n", CIT_OK,
3541 ((valid_to != NULL) ? valid_to->display_recp : ""),
3543 free_recipients(valid_to);
3544 free_recipients(valid_cc);
3545 free_recipients(valid_bcc);
3549 /* We don't need these anymore because we'll do it differently below */
3550 free_recipients(valid_to);
3551 free_recipients(valid_cc);
3552 free_recipients(valid_bcc);
3554 /* Read in the message from the client. */
3556 cprintf("%d send message\n", START_CHAT_MODE);
3558 cprintf("%d send message\n", SEND_LISTING);
3561 msg = CtdlMakeMessage(&CC->user, recp, cc,
3562 CC->room.QRname, anonymous, format_type,
3563 newusername, newuseremail, subject,
3564 ((strlen(supplied_euid) > 0) ? supplied_euid : NULL),
3567 /* Put together one big recipients struct containing to/cc/bcc all in
3568 * one. This is for the envelope.
3570 char *all_recps = malloc(SIZ * 3);
3571 strcpy(all_recps, recp);
3572 if (strlen(cc) > 0) {
3573 if (strlen(all_recps) > 0) {
3574 strcat(all_recps, ",");
3576 strcat(all_recps, cc);
3578 if (strlen(bcc) > 0) {
3579 if (strlen(all_recps) > 0) {
3580 strcat(all_recps, ",");
3582 strcat(all_recps, bcc);
3584 if (strlen(all_recps) > 0) {
3585 valid = validate_recipients(all_recps);
3593 msgnum = CtdlSubmitMsg(msg, valid, "");
3596 cprintf("%ld\n", msgnum);
3598 cprintf("Message accepted.\n");
3601 cprintf("Internal error.\n");
3603 if (msg->cm_fields['E'] != NULL) {
3604 cprintf("%s\n", msg->cm_fields['E']);
3611 CtdlFreeMessage(msg);
3613 if (valid != NULL) {
3614 free_recipients(valid);
3622 * API function to delete messages which match a set of criteria
3623 * (returns the actual number of messages deleted)
3625 int CtdlDeleteMessages(char *room_name, /* which room */
3626 long *dmsgnums, /* array of msg numbers to be deleted */
3627 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
3628 char *content_type /* or "" for any. regular expressions expected. */
3631 struct ctdlroom qrbuf;
3632 struct cdbdata *cdbfr;
3633 long *msglist = NULL;
3634 long *dellist = NULL;
3637 int num_deleted = 0;
3639 struct MetaData smi;
3642 int need_to_free_re = 0;
3644 if (content_type) if (strlen(content_type) > 0) {
3645 regcomp(&re, content_type, 0);
3646 need_to_free_re = 1;
3648 lprintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
3649 room_name, num_dmsgnums, content_type);
3651 /* get room record, obtaining a lock... */
3652 if (lgetroom(&qrbuf, room_name) != 0) {
3653 lprintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
3655 if (need_to_free_re) regfree(&re);
3656 return (0); /* room not found */
3658 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
3660 if (cdbfr != NULL) {
3661 dellist = malloc(cdbfr->len);
3662 msglist = (long *) cdbfr->ptr;
3663 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
3664 num_msgs = cdbfr->len / sizeof(long);
3668 for (i = 0; i < num_msgs; ++i) {
3671 /* Set/clear a bit for each criterion */
3673 /* 0 messages in the list or a null list means that we are
3674 * interested in deleting any messages which meet the other criteria.
3676 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
3677 delete_this |= 0x01;
3680 for (j=0; j<num_dmsgnums; ++j) {
3681 if (msglist[i] == dmsgnums[j]) {
3682 delete_this |= 0x01;
3687 if (strlen(content_type) == 0) {
3688 delete_this |= 0x02;
3690 GetMetaData(&smi, msglist[i]);
3691 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
3692 delete_this |= 0x02;
3696 /* Delete message only if all bits are set */
3697 if (delete_this == 0x03) {
3698 dellist[num_deleted++] = msglist[i];
3703 num_msgs = sort_msglist(msglist, num_msgs);
3704 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
3705 msglist, (int)(num_msgs * sizeof(long)));
3707 qrbuf.QRhighest = msglist[num_msgs - 1];
3711 /* Go through the messages we pulled out of the index, and decrement
3712 * their reference counts by 1. If this is the only room the message
3713 * was in, the reference count will reach zero and the message will
3714 * automatically be deleted from the database. We do this in a
3715 * separate pass because there might be plug-in hooks getting called,
3716 * and we don't want that happening during an S_ROOMS critical
3719 if (num_deleted) for (i=0; i<num_deleted; ++i) {
3720 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
3721 AdjRefCount(dellist[i], -1);
3724 /* Now free the memory we used, and go away. */
3725 if (msglist != NULL) free(msglist);
3726 if (dellist != NULL) free(dellist);
3727 lprintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
3728 if (need_to_free_re) regfree(&re);
3729 return (num_deleted);
3735 * Check whether the current user has permission to delete messages from
3736 * the current room (returns 1 for yes, 0 for no)
3738 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
3740 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3741 if (ra & UA_DELETEALLOWED) return(1);
3749 * Delete message from current room
3751 void cmd_dele(char *args)
3760 extract_token(msgset, args, 0, '|', sizeof msgset);
3761 num_msgs = num_tokens(msgset, ',');
3763 cprintf("%d Nothing to do.\n", CIT_OK);
3767 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
3768 cprintf("%d Higher access required.\n",
3769 ERROR + HIGHER_ACCESS_REQUIRED);
3774 * Build our message set to be moved/copied
3776 msgs = malloc(num_msgs * sizeof(long));
3777 for (i=0; i<num_msgs; ++i) {
3778 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
3779 msgs[i] = atol(msgtok);
3782 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
3786 cprintf("%d %d message%s deleted.\n", CIT_OK,
3787 num_deleted, ((num_deleted != 1) ? "s" : ""));
3789 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
3795 * Back end API function for moves and deletes (multiple messages)
3797 int CtdlCopyMsgsToRoom(long *msgnums, int num_msgs, char *dest) {
3800 err = CtdlSaveMsgPointersInRoom(dest, msgnums, num_msgs, 1, NULL);
3801 if (err != 0) return(err);
3810 * move or copy a message to another room
3812 void cmd_move(char *args)
3819 char targ[ROOMNAMELEN];
3820 struct ctdlroom qtemp;
3827 extract_token(msgset, args, 0, '|', sizeof msgset);
3828 num_msgs = num_tokens(msgset, ',');
3830 cprintf("%d Nothing to do.\n", CIT_OK);
3834 extract_token(targ, args, 1, '|', sizeof targ);
3835 convert_room_name_macros(targ, sizeof targ);
3836 targ[ROOMNAMELEN - 1] = 0;
3837 is_copy = extract_int(args, 2);
3839 if (getroom(&qtemp, targ) != 0) {
3840 cprintf("%d '%s' does not exist.\n",
3841 ERROR + ROOM_NOT_FOUND, targ);
3845 getuser(&CC->user, CC->curr_user);
3846 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
3848 /* Check for permission to perform this operation.
3849 * Remember: "CC->room" is source, "qtemp" is target.
3853 /* Aides can move/copy */
3854 if (CC->user.axlevel >= 6) permit = 1;
3856 /* Room aides can move/copy */
3857 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
3859 /* Permit move/copy from personal rooms */
3860 if ((CC->room.QRflags & QR_MAILBOX)
3861 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3863 /* Permit only copy from public to personal room */
3865 && (!(CC->room.QRflags & QR_MAILBOX))
3866 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3868 /* Permit message removal from collaborative delete rooms */
3869 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
3871 /* User must have access to target room */
3872 if (!(ra & UA_KNOWN)) permit = 0;
3875 cprintf("%d Higher access required.\n",
3876 ERROR + HIGHER_ACCESS_REQUIRED);
3881 * Build our message set to be moved/copied
3883 msgs = malloc(num_msgs * sizeof(long));
3884 for (i=0; i<num_msgs; ++i) {
3885 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
3886 msgs[i] = atol(msgtok);
3892 err = CtdlCopyMsgsToRoom(msgs, num_msgs, targ);
3894 cprintf("%d Cannot store message(s) in %s: error %d\n",
3900 /* Now delete the message from the source room,
3901 * if this is a 'move' rather than a 'copy' operation.
3904 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
3908 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
3914 * GetMetaData() - Get the supplementary record for a message
3916 void GetMetaData(struct MetaData *smibuf, long msgnum)
3919 struct cdbdata *cdbsmi;
3922 memset(smibuf, 0, sizeof(struct MetaData));
3923 smibuf->meta_msgnum = msgnum;
3924 smibuf->meta_refcount = 1; /* Default reference count is 1 */
3926 /* Use the negative of the message number for its supp record index */
3927 TheIndex = (0L - msgnum);
3929 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
3930 if (cdbsmi == NULL) {
3931 return; /* record not found; go with defaults */
3933 memcpy(smibuf, cdbsmi->ptr,
3934 ((cdbsmi->len > sizeof(struct MetaData)) ?
3935 sizeof(struct MetaData) : cdbsmi->len));
3942 * PutMetaData() - (re)write supplementary record for a message
3944 void PutMetaData(struct MetaData *smibuf)
3948 /* Use the negative of the message number for the metadata db index */
3949 TheIndex = (0L - smibuf->meta_msgnum);
3951 cdb_store(CDB_MSGMAIN,
3952 &TheIndex, (int)sizeof(long),
3953 smibuf, (int)sizeof(struct MetaData));
3958 * AdjRefCount - submit an adjustment to the reference count for a message.
3959 * (These are just queued -- we actually process them later.)
3961 void AdjRefCount(long msgnum, int incr)
3963 struct arcq new_arcq;
3965 begin_critical_section(S_SUPPMSGMAIN);
3966 if (arcfp == NULL) {
3967 arcfp = fopen(file_arcq, "ab+");
3969 end_critical_section(S_SUPPMSGMAIN);
3971 /* msgnum < 0 means that we're trying to close the file */
3973 lprintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
3974 begin_critical_section(S_SUPPMSGMAIN);
3975 if (arcfp != NULL) {
3979 end_critical_section(S_SUPPMSGMAIN);
3984 * If we can't open the queue, perform the operation synchronously.
3986 if (arcfp == NULL) {
3987 TDAP_AdjRefCount(msgnum, incr);
3991 new_arcq.arcq_msgnum = msgnum;
3992 new_arcq.arcq_delta = incr;
3993 fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4001 * TDAP_ProcessAdjRefCountQueue()
4003 * Process the queue of message count adjustments that was created by calls
4004 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4005 * for each one. This should be an "off hours" operation.
4007 int TDAP_ProcessAdjRefCountQueue(void)
4009 char file_arcq_temp[PATH_MAX];
4012 struct arcq arcq_rec;
4013 int num_records_processed = 0;
4015 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s2", file_arcq);
4017 begin_critical_section(S_SUPPMSGMAIN);
4018 if (arcfp != NULL) {
4023 r = link(file_arcq, file_arcq_temp);
4025 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4026 end_critical_section(S_SUPPMSGMAIN);
4027 return(num_records_processed);
4031 end_critical_section(S_SUPPMSGMAIN);
4033 fp = fopen(file_arcq_temp, "rb");
4035 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4036 return(num_records_processed);
4039 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4040 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4041 ++num_records_processed;
4045 r = unlink(file_arcq_temp);
4047 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4050 return(num_records_processed);
4056 * TDAP_AdjRefCount - adjust the reference count for a message.
4057 * This one does it "for real" because it's called by
4058 * the autopurger function that processes the queue
4059 * created by AdjRefCount(). If a message's reference
4060 * count becomes zero, we also delete the message from
4061 * disk and de-index it.
4063 void TDAP_AdjRefCount(long msgnum, int incr)
4066 struct MetaData smi;
4069 /* This is a *tight* critical section; please keep it that way, as
4070 * it may get called while nested in other critical sections.
4071 * Complicating this any further will surely cause deadlock!
4073 begin_critical_section(S_SUPPMSGMAIN);
4074 GetMetaData(&smi, msgnum);
4075 smi.meta_refcount += incr;
4077 end_critical_section(S_SUPPMSGMAIN);
4078 lprintf(CTDL_DEBUG, "msg %ld ref count delta %d, is now %d\n",
4079 msgnum, incr, smi.meta_refcount);
4081 /* If the reference count is now zero, delete the message
4082 * (and its supplementary record as well).
4084 if (smi.meta_refcount == 0) {
4085 lprintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
4087 /* Remove from fulltext index */
4088 if (config.c_enable_fulltext) {
4089 ft_index_message(msgnum, 0);
4092 /* Remove from message base */
4094 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4095 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4097 /* Remove metadata record */
4098 delnum = (0L - msgnum);
4099 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4105 * Write a generic object to this room
4107 * Note: this could be much more efficient. Right now we use two temporary
4108 * files, and still pull the message into memory as with all others.
4110 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4111 char *content_type, /* MIME type of this object */
4112 char *tempfilename, /* Where to fetch it from */
4113 struct ctdluser *is_mailbox, /* Mailbox room? */
4114 int is_binary, /* Is encoding necessary? */
4115 int is_unique, /* Del others of this type? */
4116 unsigned int flags /* Internal save flags */
4121 struct ctdlroom qrbuf;
4122 char roomname[ROOMNAMELEN];
4123 struct CtdlMessage *msg;
4125 char *raw_message = NULL;
4126 char *encoded_message = NULL;
4127 off_t raw_length = 0;
4129 if (is_mailbox != NULL) {
4130 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4133 safestrncpy(roomname, req_room, sizeof(roomname));
4136 fp = fopen(tempfilename, "rb");
4138 lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
4139 tempfilename, strerror(errno));
4142 fseek(fp, 0L, SEEK_END);
4143 raw_length = ftell(fp);
4145 lprintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4147 raw_message = malloc((size_t)raw_length + 2);
4148 fread(raw_message, (size_t)raw_length, 1, fp);
4152 encoded_message = malloc((size_t)
4153 (((raw_length * 134) / 100) + 4096 ) );
4156 encoded_message = malloc((size_t)(raw_length + 4096));
4159 sprintf(encoded_message, "Content-type: %s\n", content_type);
4162 sprintf(&encoded_message[strlen(encoded_message)],
4163 "Content-transfer-encoding: base64\n\n"
4167 sprintf(&encoded_message[strlen(encoded_message)],
4168 "Content-transfer-encoding: 7bit\n\n"
4174 &encoded_message[strlen(encoded_message)],
4180 raw_message[raw_length] = 0;
4182 &encoded_message[strlen(encoded_message)],
4190 lprintf(CTDL_DEBUG, "Allocating\n");
4191 msg = malloc(sizeof(struct CtdlMessage));
4192 memset(msg, 0, sizeof(struct CtdlMessage));
4193 msg->cm_magic = CTDLMESSAGE_MAGIC;
4194 msg->cm_anon_type = MES_NORMAL;
4195 msg->cm_format_type = 4;
4196 msg->cm_fields['A'] = strdup(CC->user.fullname);
4197 msg->cm_fields['O'] = strdup(req_room);
4198 msg->cm_fields['N'] = strdup(config.c_nodename);
4199 msg->cm_fields['H'] = strdup(config.c_humannode);
4200 msg->cm_flags = flags;
4202 msg->cm_fields['M'] = encoded_message;
4204 /* Create the requested room if we have to. */
4205 if (getroom(&qrbuf, roomname) != 0) {
4206 create_room(roomname,
4207 ( (is_mailbox != NULL) ? 5 : 3 ),
4208 "", 0, 1, 0, VIEW_BBS);
4210 /* If the caller specified this object as unique, delete all
4211 * other objects of this type that are currently in the room.
4214 lprintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4215 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4218 /* Now write the data */
4219 CtdlSubmitMsg(msg, NULL, roomname);
4220 CtdlFreeMessage(msg);
4228 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4229 config_msgnum = msgnum;
4233 char *CtdlGetSysConfig(char *sysconfname) {
4234 char hold_rm[ROOMNAMELEN];
4237 struct CtdlMessage *msg;
4240 strcpy(hold_rm, CC->room.QRname);
4241 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
4242 getroom(&CC->room, hold_rm);
4247 /* We want the last (and probably only) config in this room */
4248 begin_critical_section(S_CONFIG);
4249 config_msgnum = (-1L);
4250 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4251 CtdlGetSysConfigBackend, NULL);
4252 msgnum = config_msgnum;
4253 end_critical_section(S_CONFIG);
4259 msg = CtdlFetchMessage(msgnum, 1);
4261 conf = strdup(msg->cm_fields['M']);
4262 CtdlFreeMessage(msg);
4269 getroom(&CC->room, hold_rm);
4271 if (conf != NULL) do {
4272 extract_token(buf, conf, 0, '\n', sizeof buf);
4273 strcpy(conf, &conf[strlen(buf)+1]);
4274 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
4279 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4280 char temp[PATH_MAX];
4283 CtdlMakeTempFileName(temp, sizeof temp);
4285 fp = fopen(temp, "w");
4286 if (fp == NULL) return;
4287 fprintf(fp, "%s", sysconfdata);
4290 /* this handy API function does all the work for us */
4291 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
4297 * Determine whether a given Internet address belongs to the current user
4299 int CtdlIsMe(char *addr, int addr_buf_len)
4301 struct recptypes *recp;
4304 recp = validate_recipients(addr);
4305 if (recp == NULL) return(0);
4307 if (recp->num_local == 0) {
4308 free_recipients(recp);
4312 for (i=0; i<recp->num_local; ++i) {
4313 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4314 if (!strcasecmp(addr, CC->user.fullname)) {
4315 free_recipients(recp);
4320 free_recipients(recp);
4326 * Citadel protocol command to do the same
4328 void cmd_isme(char *argbuf) {
4331 if (CtdlAccessCheck(ac_logged_in)) return;
4332 extract_token(addr, argbuf, 0, '|', sizeof addr);
4334 if (CtdlIsMe(addr, sizeof addr)) {
4335 cprintf("%d %s\n", CIT_OK, addr);
4338 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);