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>
34 #include <libcitadel.h>
37 #include "serv_extensions.h"
41 #include "sysdep_decls.h"
42 #include "citserver.h"
49 #include "internet_addressing.h"
50 #include "euidindex.h"
51 #include "journaling.h"
52 #include "citadel_dirs.h"
53 #include "clientsocket.h"
54 #include "serv_network.h"
58 struct addresses_to_be_filed *atbf = NULL;
60 /* This temp file holds the queue of operations for AdjRefCount() */
61 static FILE *arcfp = NULL;
64 * This really belongs in serv_network.c, but I don't know how to export
65 * symbols between modules.
67 struct FilterList *filterlist = NULL;
71 * These are the four-character field headers we use when outputting
72 * messages in Citadel format (as opposed to RFC822 format).
75 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
76 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
77 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
78 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
79 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
80 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
81 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
82 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
110 * This function is self explanatory.
111 * (What can I say, I'm in a weird mood today...)
113 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
117 for (i = 0; i < strlen(name); ++i) {
118 if (name[i] == '@') {
119 while (isspace(name[i - 1]) && i > 0) {
120 strcpy(&name[i - 1], &name[i]);
123 while (isspace(name[i + 1])) {
124 strcpy(&name[i + 1], &name[i + 2]);
132 * Aliasing for network mail.
133 * (Error messages have been commented out, because this is a server.)
135 int alias(char *name)
136 { /* process alias and routing info for mail */
139 char aaa[SIZ], bbb[SIZ];
140 char *ignetcfg = NULL;
141 char *ignetmap = NULL;
147 char original_name[256];
148 safestrncpy(original_name, name, sizeof original_name);
151 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
152 stripallbut(name, '<', '>');
154 fp = fopen(file_mail_aliases, "r");
156 fp = fopen("/dev/null", "r");
163 while (fgets(aaa, sizeof aaa, fp) != NULL) {
164 while (isspace(name[0]))
165 strcpy(name, &name[1]);
166 aaa[strlen(aaa) - 1] = 0;
168 for (a = 0; a < strlen(aaa); ++a) {
170 strcpy(bbb, &aaa[a + 1]);
174 if (!strcasecmp(name, aaa))
179 /* Hit the Global Address Book */
180 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
184 if (strcasecmp(original_name, name)) {
185 CtdlLogPrintf(CTDL_INFO, "%s is being forwarded to %s\n", original_name, name);
188 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
189 for (a=0; a<strlen(name); ++a) {
190 if (name[a] == '@') {
191 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
193 CtdlLogPrintf(CTDL_INFO, "Changed to <%s>\n", name);
198 /* determine local or remote type, see citadel.h */
199 at = haschar(name, '@');
200 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
201 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
202 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
204 /* figure out the delivery mode */
205 extract_token(node, name, 1, '@', sizeof node);
207 /* If there are one or more dots in the nodename, we assume that it
208 * is an FQDN and will attempt SMTP delivery to the Internet.
210 if (haschar(node, '.') > 0) {
211 return(MES_INTERNET);
214 /* Otherwise we look in the IGnet maps for a valid Citadel node.
215 * Try directly-connected nodes first...
217 ignetcfg = CtdlGetSysConfig(IGNETCFG);
218 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
219 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
220 extract_token(testnode, buf, 0, '|', sizeof testnode);
221 if (!strcasecmp(node, testnode)) {
229 * Then try nodes that are two or more hops away.
231 ignetmap = CtdlGetSysConfig(IGNETMAP);
232 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
233 extract_token(buf, ignetmap, i, '\n', sizeof buf);
234 extract_token(testnode, buf, 0, '|', sizeof testnode);
235 if (!strcasecmp(node, testnode)) {
242 /* If we get to this point it's an invalid node name */
248 * Back end for the MSGS command: output message number only.
250 void simple_listing(long msgnum, void *userdata)
252 cprintf("%ld\n", msgnum);
258 * Back end for the MSGS command: output header summary.
260 void headers_listing(long msgnum, void *userdata)
262 struct CtdlMessage *msg;
264 msg = CtdlFetchMessage(msgnum, 0);
266 cprintf("%ld|0|||||\n", msgnum);
270 cprintf("%ld|%s|%s|%s|%s|%s|\n",
272 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
273 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
274 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
275 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
276 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
278 CtdlFreeMessage(msg);
283 /* Determine if a given message matches the fields in a message template.
284 * Return 0 for a successful match.
286 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
289 /* If there aren't any fields in the template, all messages will
292 if (template == NULL) return(0);
294 /* Null messages are bogus. */
295 if (msg == NULL) return(1);
297 for (i='A'; i<='Z'; ++i) {
298 if (template->cm_fields[i] != NULL) {
299 if (msg->cm_fields[i] == NULL) {
302 if (strcasecmp(msg->cm_fields[i],
303 template->cm_fields[i])) return 1;
307 /* All compares succeeded: we have a match! */
314 * Retrieve the "seen" message list for the current room.
316 void CtdlGetSeen(char *buf, int which_set) {
319 /* Learn about the user and room in question */
320 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
322 if (which_set == ctdlsetseen_seen)
323 safestrncpy(buf, vbuf.v_seen, SIZ);
324 if (which_set == ctdlsetseen_answered)
325 safestrncpy(buf, vbuf.v_answered, SIZ);
331 * Manipulate the "seen msgs" string (or other message set strings)
333 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
334 int target_setting, int which_set,
335 struct ctdluser *which_user, struct ctdlroom *which_room) {
336 struct cdbdata *cdbfr;
348 char *is_set; /* actually an array of booleans */
351 char setstr[SIZ], lostr[SIZ], histr[SIZ];
354 /* Don't bother doing *anything* if we were passed a list of zero messages */
355 if (num_target_msgnums < 1) {
359 CtdlLogPrintf(CTDL_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %d, %d)\n",
360 num_target_msgnums, target_msgnums[0],
361 target_setting, which_set);
363 /* Learn about the user and room in question */
364 CtdlGetRelationship(&vbuf,
365 ((which_user != NULL) ? which_user : &CC->user),
366 ((which_room != NULL) ? which_room : &CC->room)
369 /* Load the message list */
370 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
372 msglist = (long *) cdbfr->ptr;
373 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
374 num_msgs = cdbfr->len / sizeof(long);
377 return; /* No messages at all? No further action. */
380 is_set = malloc(num_msgs * sizeof(char));
381 memset(is_set, 0, (num_msgs * sizeof(char)) );
383 /* Decide which message set we're manipulating */
385 case ctdlsetseen_seen:
386 safestrncpy(vset, vbuf.v_seen, sizeof vset);
388 case ctdlsetseen_answered:
389 safestrncpy(vset, vbuf.v_answered, sizeof vset);
393 /* CtdlLogPrintf(CTDL_DEBUG, "before optimize: %s\n", vset); */
395 /* Translate the existing sequence set into an array of booleans */
396 num_sets = num_tokens(vset, ',');
397 for (s=0; s<num_sets; ++s) {
398 extract_token(setstr, vset, s, ',', sizeof setstr);
400 extract_token(lostr, setstr, 0, ':', sizeof lostr);
401 if (num_tokens(setstr, ':') >= 2) {
402 extract_token(histr, setstr, 1, ':', sizeof histr);
403 if (!strcmp(histr, "*")) {
404 snprintf(histr, sizeof histr, "%ld", LONG_MAX);
408 strcpy(histr, lostr);
413 for (i = 0; i < num_msgs; ++i) {
414 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
420 /* Now translate the array of booleans back into a sequence set */
425 for (i=0; i<num_msgs; ++i) {
427 is_seen = is_set[i]; /* Default to existing setting */
429 for (k=0; k<num_target_msgnums; ++k) {
430 if (msglist[i] == target_msgnums[k]) {
431 is_seen = target_setting;
436 if (lo < 0L) lo = msglist[i];
440 if ( ((is_seen == 0) && (was_seen == 1))
441 || ((is_seen == 1) && (i == num_msgs-1)) ) {
443 /* begin trim-o-matic code */
446 while ( (strlen(vset) + 20) > sizeof vset) {
447 remove_token(vset, 0, ',');
449 if (j--) break; /* loop no more than 9 times */
451 if ( (trimming) && (which_set == ctdlsetseen_seen) ) {
455 snprintf(lostr, sizeof lostr,
456 "1:%ld,%s", t, vset);
457 safestrncpy(vset, lostr, sizeof vset);
459 /* end trim-o-matic code */
467 snprintf(&vset[tmp], (sizeof vset) - tmp,
471 snprintf(&vset[tmp], (sizeof vset) - tmp,
480 /* Decide which message set we're manipulating */
482 case ctdlsetseen_seen:
483 safestrncpy(vbuf.v_seen, vset, sizeof vbuf.v_seen);
485 case ctdlsetseen_answered:
486 safestrncpy(vbuf.v_answered, vset,
487 sizeof vbuf.v_answered);
492 /* CtdlLogPrintf(CTDL_DEBUG, " after optimize: %s\n", vset); */
494 CtdlSetRelationship(&vbuf,
495 ((which_user != NULL) ? which_user : &CC->user),
496 ((which_room != NULL) ? which_room : &CC->room)
502 * API function to perform an operation for each qualifying message in the
503 * current room. (Returns the number of messages processed.)
505 int CtdlForEachMessage(int mode, long ref, char *search_string,
507 struct CtdlMessage *compare,
508 void (*CallBack) (long, void *),
514 struct cdbdata *cdbfr;
515 long *msglist = NULL;
517 int num_processed = 0;
520 struct CtdlMessage *msg = NULL;
523 int printed_lastold = 0;
524 int num_search_msgs = 0;
525 long *search_msgs = NULL;
527 int need_to_free_re = 0;
530 if (content_type) if (!IsEmptyStr(content_type)) {
531 regcomp(&re, content_type, 0);
535 /* Learn about the user and room in question */
536 getuser(&CC->user, CC->curr_user);
537 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
539 /* Load the message list */
540 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
542 msglist = (long *) cdbfr->ptr;
543 num_msgs = cdbfr->len / sizeof(long);
545 if (need_to_free_re) regfree(&re);
546 return 0; /* No messages at all? No further action. */
551 * Now begin the traversal.
553 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
555 /* If the caller is looking for a specific MIME type, filter
556 * out all messages which are not of the type requested.
558 if (content_type != NULL) if (!IsEmptyStr(content_type)) {
560 /* This call to GetMetaData() sits inside this loop
561 * so that we only do the extra database read per msg
562 * if we need to. Doing the extra read all the time
563 * really kills the server. If we ever need to use
564 * metadata for another search criterion, we need to
565 * move the read somewhere else -- but still be smart
566 * enough to only do the read if the caller has
567 * specified something that will need it.
569 GetMetaData(&smi, msglist[a]);
571 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
572 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
578 num_msgs = sort_msglist(msglist, num_msgs);
580 /* If a template was supplied, filter out the messages which
581 * don't match. (This could induce some delays!)
584 if (compare != NULL) {
585 for (a = 0; a < num_msgs; ++a) {
586 msg = CtdlFetchMessage(msglist[a], 1);
588 if (CtdlMsgCmp(msg, compare)) {
591 CtdlFreeMessage(msg);
597 /* If a search string was specified, get a message list from
598 * the full text index and remove messages which aren't on both
602 * Since the lists are sorted and strictly ascending, and the
603 * output list is guaranteed to be shorter than or equal to the
604 * input list, we overwrite the bottom of the input list. This
605 * eliminates the need to memmove big chunks of the list over and
608 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
610 /* Call search module via hook mechanism.
611 * NULL means use any search function available.
612 * otherwise replace with a char * to name of search routine
614 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
616 if (num_search_msgs > 0) {
620 orig_num_msgs = num_msgs;
622 for (i=0; i<orig_num_msgs; ++i) {
623 for (j=0; j<num_search_msgs; ++j) {
624 if (msglist[i] == search_msgs[j]) {
625 msglist[num_msgs++] = msglist[i];
631 num_msgs = 0; /* No messages qualify */
633 if (search_msgs != NULL) free(search_msgs);
635 /* Now that we've purged messages which don't contain the search
636 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
643 * Now iterate through the message list, according to the
644 * criteria supplied by the caller.
647 for (a = 0; a < num_msgs; ++a) {
648 thismsg = msglist[a];
649 if (mode == MSGS_ALL) {
653 is_seen = is_msg_in_sequence_set(
654 vbuf.v_seen, thismsg);
655 if (is_seen) lastold = thismsg;
661 || ((mode == MSGS_OLD) && (is_seen))
662 || ((mode == MSGS_NEW) && (!is_seen))
663 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
664 || ((mode == MSGS_FIRST) && (a < ref))
665 || ((mode == MSGS_GT) && (thismsg > ref))
666 || ((mode == MSGS_EQ) && (thismsg == ref))
669 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
671 CallBack(lastold, userdata);
675 if (CallBack) CallBack(thismsg, userdata);
679 cdb_free(cdbfr); /* Clean up */
680 if (need_to_free_re) regfree(&re);
681 return num_processed;
687 * cmd_msgs() - get list of message #'s in this room
688 * implements the MSGS server command using CtdlForEachMessage()
690 void cmd_msgs(char *cmdbuf)
699 int with_template = 0;
700 struct CtdlMessage *template = NULL;
701 int with_headers = 0;
702 char search_string[1024];
704 extract_token(which, cmdbuf, 0, '|', sizeof which);
705 cm_ref = extract_int(cmdbuf, 1);
706 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
707 with_template = extract_int(cmdbuf, 2);
708 with_headers = extract_int(cmdbuf, 3);
711 if (!strncasecmp(which, "OLD", 3))
713 else if (!strncasecmp(which, "NEW", 3))
715 else if (!strncasecmp(which, "FIRST", 5))
717 else if (!strncasecmp(which, "LAST", 4))
719 else if (!strncasecmp(which, "GT", 2))
721 else if (!strncasecmp(which, "SEARCH", 6))
726 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
727 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
731 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
732 cprintf("%d Full text index is not enabled on this server.\n",
733 ERROR + CMD_NOT_SUPPORTED);
739 cprintf("%d Send template then receive message list\n",
741 template = (struct CtdlMessage *)
742 malloc(sizeof(struct CtdlMessage));
743 memset(template, 0, sizeof(struct CtdlMessage));
744 template->cm_magic = CTDLMESSAGE_MAGIC;
745 template->cm_anon_type = MES_NORMAL;
747 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
748 extract_token(tfield, buf, 0, '|', sizeof tfield);
749 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
750 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
751 if (!strcasecmp(tfield, msgkeys[i])) {
752 template->cm_fields[i] =
760 cprintf("%d \n", LISTING_FOLLOWS);
763 CtdlForEachMessage(mode,
764 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
765 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
768 (with_headers ? headers_listing : simple_listing),
771 if (template != NULL) CtdlFreeMessage(template);
779 * help_subst() - support routine for help file viewer
781 void help_subst(char *strbuf, char *source, char *dest)
786 while (p = pattern2(strbuf, source), (p >= 0)) {
787 strcpy(workbuf, &strbuf[p + strlen(source)]);
788 strcpy(&strbuf[p], dest);
789 strcat(strbuf, workbuf);
794 void do_help_subst(char *buffer)
798 help_subst(buffer, "^nodename", config.c_nodename);
799 help_subst(buffer, "^humannode", config.c_humannode);
800 help_subst(buffer, "^fqdn", config.c_fqdn);
801 help_subst(buffer, "^username", CC->user.fullname);
802 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
803 help_subst(buffer, "^usernum", buf2);
804 help_subst(buffer, "^sysadm", config.c_sysadm);
805 help_subst(buffer, "^variantname", CITADEL);
806 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
807 help_subst(buffer, "^maxsessions", buf2);
808 help_subst(buffer, "^bbsdir", ctdl_message_dir);
814 * memfmout() - Citadel text formatter and paginator.
815 * Although the original purpose of this routine was to format
816 * text to the reader's screen width, all we're really using it
817 * for here is to format text out to 80 columns before sending it
818 * to the client. The client software may reformat it again.
821 char *mptr, /* where are we going to get our text from? */
822 char subst, /* nonzero if we should do substitutions */
823 char *nl) /* string to terminate lines with */
831 static int width = 80;
836 c = 1; /* c is the current pos */
840 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
842 buffer[strlen(buffer) + 1] = 0;
843 buffer[strlen(buffer)] = ch;
846 if (buffer[0] == '^')
847 do_help_subst(buffer);
849 buffer[strlen(buffer) + 1] = 0;
851 strcpy(buffer, &buffer[1]);
859 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10)) {
862 if (((old == 13) || (old == 10)) && (isspace(real))) {
867 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
868 cprintf("%s%s", nl, aaa);
877 if ((strlen(aaa) + c) > (width - 5)) {
886 if ((ch == 13) || (ch == 10)) {
887 cprintf("%s%s", aaa, nl);
894 cprintf("%s%s", aaa, nl);
900 * Callback function for mime parser that simply lists the part
902 void list_this_part(char *name, char *filename, char *partnum, char *disp,
903 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
908 ma = (struct ma_info *)cbuserdata;
909 if (ma->is_ma == 0) {
910 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
911 name, filename, partnum, disp, cbtype, (long)length);
916 * Callback function for multipart prefix
918 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
919 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
924 ma = (struct ma_info *)cbuserdata;
925 if (!strcasecmp(cbtype, "multipart/alternative")) {
929 if (ma->is_ma == 0) {
930 cprintf("pref=%s|%s\n", partnum, cbtype);
935 * Callback function for multipart sufffix
937 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
938 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
943 ma = (struct ma_info *)cbuserdata;
944 if (ma->is_ma == 0) {
945 cprintf("suff=%s|%s\n", partnum, cbtype);
947 if (!strcasecmp(cbtype, "multipart/alternative")) {
954 * Callback function for mime parser that opens a section for downloading
956 void mime_download(char *name, char *filename, char *partnum, char *disp,
957 void *content, char *cbtype, char *cbcharset, size_t length,
958 char *encoding, void *cbuserdata)
961 /* Silently go away if there's already a download open... */
962 if (CC->download_fp != NULL)
965 /* ...or if this is not the desired section */
966 if (strcasecmp(CC->download_desired_section, partnum))
969 CC->download_fp = tmpfile();
970 if (CC->download_fp == NULL)
973 fwrite(content, length, 1, CC->download_fp);
974 fflush(CC->download_fp);
975 rewind(CC->download_fp);
977 OpenCmdResult(filename, cbtype);
983 * Callback function for mime parser that outputs a section all at once
985 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
986 void *content, char *cbtype, char *cbcharset, size_t length,
987 char *encoding, void *cbuserdata)
989 int *found_it = (int *)cbuserdata;
991 /* ...or if this is not the desired section */
992 if (strcasecmp(CC->download_desired_section, partnum))
997 cprintf("%d %d\n", BINARY_FOLLOWS, (int)length);
998 client_write(content, length);
1004 * Load a message from disk into memory.
1005 * This is used by CtdlOutputMsg() and other fetch functions.
1007 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1008 * using the CtdlMessageFree() function.
1010 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1012 struct cdbdata *dmsgtext;
1013 struct CtdlMessage *ret = NULL;
1017 cit_uint8_t field_header;
1019 CtdlLogPrintf(CTDL_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1021 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1022 if (dmsgtext == NULL) {
1025 mptr = dmsgtext->ptr;
1026 upper_bound = mptr + dmsgtext->len;
1028 /* Parse the three bytes that begin EVERY message on disk.
1029 * The first is always 0xFF, the on-disk magic number.
1030 * The second is the anonymous/public type byte.
1031 * The third is the format type byte (vari, fixed, or MIME).
1035 CtdlLogPrintf(CTDL_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1039 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1040 memset(ret, 0, sizeof(struct CtdlMessage));
1042 ret->cm_magic = CTDLMESSAGE_MAGIC;
1043 ret->cm_anon_type = *mptr++; /* Anon type byte */
1044 ret->cm_format_type = *mptr++; /* Format type byte */
1047 * The rest is zero or more arbitrary fields. Load them in.
1048 * We're done when we encounter either a zero-length field or
1049 * have just processed the 'M' (message text) field.
1052 if (mptr >= upper_bound) {
1055 field_header = *mptr++;
1056 ret->cm_fields[field_header] = strdup(mptr);
1058 while (*mptr++ != 0); /* advance to next field */
1060 } while ((mptr < upper_bound) && (field_header != 'M'));
1064 /* Always make sure there's something in the msg text field. If
1065 * it's NULL, the message text is most likely stored separately,
1066 * so go ahead and fetch that. Failing that, just set a dummy
1067 * body so other code doesn't barf.
1069 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1070 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1071 if (dmsgtext != NULL) {
1072 ret->cm_fields['M'] = strdup(dmsgtext->ptr);
1076 if (ret->cm_fields['M'] == NULL) {
1077 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1080 /* Perform "before read" hooks (aborting if any return nonzero) */
1081 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1082 CtdlFreeMessage(ret);
1091 * Returns 1 if the supplied pointer points to a valid Citadel message.
1092 * If the pointer is NULL or the magic number check fails, returns 0.
1094 int is_valid_message(struct CtdlMessage *msg) {
1097 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1098 CtdlLogPrintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
1106 * 'Destructor' for struct CtdlMessage
1108 void CtdlFreeMessage(struct CtdlMessage *msg)
1112 if (is_valid_message(msg) == 0)
1114 if (msg != NULL) free (msg);
1118 for (i = 0; i < 256; ++i)
1119 if (msg->cm_fields[i] != NULL) {
1120 free(msg->cm_fields[i]);
1123 msg->cm_magic = 0; /* just in case */
1129 * Pre callback function for multipart/alternative
1131 * NOTE: this differs from the standard behavior for a reason. Normally when
1132 * displaying multipart/alternative you want to show the _last_ usable
1133 * format in the message. Here we show the _first_ one, because it's
1134 * usually text/plain. Since this set of functions is designed for text
1135 * output to non-MIME-aware clients, this is the desired behavior.
1138 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1139 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1144 ma = (struct ma_info *)cbuserdata;
1145 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1146 if (!strcasecmp(cbtype, "multipart/alternative")) {
1150 if (!strcasecmp(cbtype, "message/rfc822")) {
1156 * Post callback function for multipart/alternative
1158 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1159 void *content, char *cbtype, char *cbcharset, size_t length,
1160 char *encoding, void *cbuserdata)
1164 ma = (struct ma_info *)cbuserdata;
1165 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1166 if (!strcasecmp(cbtype, "multipart/alternative")) {
1170 if (!strcasecmp(cbtype, "message/rfc822")) {
1176 * Inline callback function for mime parser that wants to display text
1178 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1179 void *content, char *cbtype, char *cbcharset, size_t length,
1180 char *encoding, void *cbuserdata)
1187 ma = (struct ma_info *)cbuserdata;
1189 CtdlLogPrintf(CTDL_DEBUG,
1190 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1191 partnum, filename, cbtype, (long)length);
1194 * If we're in the middle of a multipart/alternative scope and
1195 * we've already printed another section, skip this one.
1197 if ( (ma->is_ma) && (ma->did_print) ) {
1198 CtdlLogPrintf(CTDL_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1203 if ( (!strcasecmp(cbtype, "text/plain"))
1204 || (IsEmptyStr(cbtype)) ) {
1207 client_write(wptr, length);
1208 if (wptr[length-1] != '\n') {
1215 if (!strcasecmp(cbtype, "text/html")) {
1216 ptr = html_to_ascii(content, length, 80, 0);
1218 client_write(ptr, wlen);
1219 if (ptr[wlen-1] != '\n') {
1226 if (ma->use_fo_hooks) {
1227 if (PerformFixedOutputHooks(cbtype, content, length)) {
1228 /* above function returns nonzero if it handled the part */
1233 if (strncasecmp(cbtype, "multipart/", 10)) {
1234 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1235 partnum, filename, cbtype, (long)length);
1241 * The client is elegant and sophisticated and wants to be choosy about
1242 * MIME content types, so figure out which multipart/alternative part
1243 * we're going to send.
1245 * We use a system of weights. When we find a part that matches one of the
1246 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1247 * and then set ma->chosen_pref to that MIME type's position in our preference
1248 * list. If we then hit another match, we only replace the first match if
1249 * the preference value is lower.
1251 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1252 void *content, char *cbtype, char *cbcharset, size_t length,
1253 char *encoding, void *cbuserdata)
1259 ma = (struct ma_info *)cbuserdata;
1261 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1262 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1263 // I don't know if there are any side effects! Please TEST TEST TEST
1264 //if (ma->is_ma > 0) {
1266 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1267 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1268 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1269 if (i < ma->chosen_pref) {
1270 CtdlLogPrintf(CTDL_DEBUG, "Setting chosen part: <%s>\n", partnum);
1271 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1272 ma->chosen_pref = i;
1279 * Now that we've chosen our preferred part, output it.
1281 void output_preferred(char *name, char *filename, char *partnum, char *disp,
1282 void *content, char *cbtype, char *cbcharset, size_t length,
1283 char *encoding, void *cbuserdata)
1287 int add_newline = 0;
1291 ma = (struct ma_info *)cbuserdata;
1293 /* This is not the MIME part you're looking for... */
1294 if (strcasecmp(partnum, ma->chosen_part)) return;
1296 /* If the content-type of this part is in our preferred formats
1297 * list, we can simply output it verbatim.
1299 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1300 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1301 if (!strcasecmp(buf, cbtype)) {
1302 /* Yeah! Go! W00t!! */
1304 text_content = (char *)content;
1305 if (text_content[length-1] != '\n') {
1308 cprintf("Content-type: %s", cbtype);
1309 if (!IsEmptyStr(cbcharset)) {
1310 cprintf("; charset=%s", cbcharset);
1312 cprintf("\nContent-length: %d\n",
1313 (int)(length + add_newline) );
1314 if (!IsEmptyStr(encoding)) {
1315 cprintf("Content-transfer-encoding: %s\n", encoding);
1318 cprintf("Content-transfer-encoding: 7bit\n");
1320 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1322 client_write(content, length);
1323 if (add_newline) cprintf("\n");
1328 /* No translations required or possible: output as text/plain */
1329 cprintf("Content-type: text/plain\n\n");
1330 fixed_output(name, filename, partnum, disp, content, cbtype, cbcharset,
1331 length, encoding, cbuserdata);
1336 char desired_section[64];
1343 * Callback function for
1345 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1346 void *content, char *cbtype, char *cbcharset, size_t length,
1347 char *encoding, void *cbuserdata)
1349 struct encapmsg *encap;
1351 encap = (struct encapmsg *)cbuserdata;
1353 /* Only proceed if this is the desired section... */
1354 if (!strcasecmp(encap->desired_section, partnum)) {
1355 encap->msglen = length;
1356 encap->msg = malloc(length + 2);
1357 memcpy(encap->msg, content, length);
1367 * Get a message off disk. (returns om_* values found in msgbase.h)
1370 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1371 int mode, /* how would you like that message? */
1372 int headers_only, /* eschew the message body? */
1373 int do_proto, /* do Citadel protocol responses? */
1374 int crlf, /* Use CRLF newlines instead of LF? */
1375 char *section, /* NULL or a message/rfc822 section */
1376 int flags /* should the bessage be exported clean? */
1378 struct CtdlMessage *TheMessage = NULL;
1379 int retcode = om_no_such_msg;
1380 struct encapmsg encap;
1382 CtdlLogPrintf(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 (!IsEmptyStr(section)) 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(TheMessage, mode, headers_only, do_proto, crlf, flags);
1449 CtdlFreeMessage(TheMessage);
1455 char *qp_encode_email_addrs(char *source)
1457 char user[256], node[256], name[256];
1458 const char headerStr[] = "=?UTF-8?Q?";
1462 int need_to_encode = 0;
1468 long nAddrPtrMax = 50;
1473 if (source == NULL) return source;
1474 if (IsEmptyStr(source)) return source;
1476 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1477 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1478 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1481 while (!IsEmptyStr (&source[i])) {
1482 if (nColons >= nAddrPtrMax){
1485 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1486 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1487 free (AddrPtr), AddrPtr = ptr;
1489 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1490 memset(&ptr[nAddrPtrMax], 0,
1491 sizeof (long) * nAddrPtrMax);
1493 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1494 free (AddrUtf8), AddrUtf8 = ptr;
1497 if (((unsigned char) source[i] < 32) ||
1498 ((unsigned char) source[i] > 126)) {
1500 AddrUtf8[nColons] = 1;
1502 if (source[i] == '"')
1503 InQuotes = !InQuotes;
1504 if (!InQuotes && source[i] == ',') {
1505 AddrPtr[nColons] = i;
1510 if (need_to_encode == 0) {
1517 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1518 Encoded = (char*) malloc (EncodedMaxLen);
1520 for (i = 0; i < nColons; i++)
1521 source[AddrPtr[i]++] = '\0';
1525 for (i = 0; i < nColons && nPtr != NULL; i++) {
1526 nmax = EncodedMaxLen - (nPtr - Encoded);
1528 process_rfc822_addr(&source[AddrPtr[i]],
1532 /* TODO: libIDN here ! */
1533 if (IsEmptyStr(name)) {
1534 n = snprintf(nPtr, nmax,
1535 (i==0)?"%s@%s" : ",%s@%s",
1539 EncodedName = rfc2047encode(name, strlen(name));
1540 n = snprintf(nPtr, nmax,
1541 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1542 EncodedName, user, node);
1547 n = snprintf(nPtr, nmax,
1548 (i==0)?"%s" : ",%s",
1549 &source[AddrPtr[i]]);
1555 ptr = (char*) malloc(EncodedMaxLen * 2);
1556 memcpy(ptr, Encoded, EncodedMaxLen);
1557 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1558 free(Encoded), Encoded = ptr;
1560 i--; /* do it once more with properly lengthened buffer */
1563 for (i = 0; i < nColons; i++)
1564 source[--AddrPtr[i]] = ',';
1572 * Get a message off disk. (returns om_* values found in msgbase.h)
1574 int CtdlOutputPreLoadedMsg(
1575 struct CtdlMessage *TheMessage,
1576 int mode, /* how would you like that message? */
1577 int headers_only, /* eschew the message body? */
1578 int do_proto, /* do Citadel protocol responses? */
1579 int crlf, /* Use CRLF newlines instead of LF? */
1580 int flags /* should the bessage be exported clean? */
1584 cit_uint8_t ch, prev_ch;
1586 char display_name[256];
1588 char *nl; /* newline string */
1590 int subject_found = 0;
1593 /* Buffers needed for RFC822 translation. These are all filled
1594 * using functions that are bounds-checked, and therefore we can
1595 * make them substantially smaller than SIZ.
1603 char datestamp[100];
1605 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
1606 ((TheMessage == NULL) ? "NULL" : "not null"),
1607 mode, headers_only, do_proto, crlf);
1609 strcpy(mid, "unknown");
1610 nl = (crlf ? "\r\n" : "\n");
1612 if (!is_valid_message(TheMessage)) {
1613 CtdlLogPrintf(CTDL_ERR,
1614 "ERROR: invalid preloaded message for output\n");
1616 return(om_no_such_msg);
1619 /* Are we downloading a MIME component? */
1620 if (mode == MT_DOWNLOAD) {
1621 if (TheMessage->cm_format_type != FMT_RFC822) {
1623 cprintf("%d This is not a MIME message.\n",
1624 ERROR + ILLEGAL_VALUE);
1625 } else if (CC->download_fp != NULL) {
1626 if (do_proto) cprintf(
1627 "%d You already have a download open.\n",
1628 ERROR + RESOURCE_BUSY);
1630 /* Parse the message text component */
1631 mptr = TheMessage->cm_fields['M'];
1632 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
1633 /* If there's no file open by this time, the requested
1634 * section wasn't found, so print an error
1636 if (CC->download_fp == NULL) {
1637 if (do_proto) cprintf(
1638 "%d Section %s not found.\n",
1639 ERROR + FILE_NOT_FOUND,
1640 CC->download_desired_section);
1643 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1646 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
1647 * in a single server operation instead of opening a download file.
1649 if (mode == MT_SPEW_SECTION) {
1650 if (TheMessage->cm_format_type != FMT_RFC822) {
1652 cprintf("%d This is not a MIME message.\n",
1653 ERROR + ILLEGAL_VALUE);
1655 /* Parse the message text component */
1658 mptr = TheMessage->cm_fields['M'];
1659 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
1660 /* If section wasn't found, print an error
1663 if (do_proto) cprintf(
1664 "%d Section %s not found.\n",
1665 ERROR + FILE_NOT_FOUND,
1666 CC->download_desired_section);
1669 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1672 /* now for the user-mode message reading loops */
1673 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
1675 /* Does the caller want to skip the headers? */
1676 if (headers_only == HEADERS_NONE) goto START_TEXT;
1678 /* Tell the client which format type we're using. */
1679 if ( (mode == MT_CITADEL) && (do_proto) ) {
1680 cprintf("type=%d\n", TheMessage->cm_format_type);
1683 /* nhdr=yes means that we're only displaying headers, no body */
1684 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1685 && (mode == MT_CITADEL)
1688 cprintf("nhdr=yes\n");
1691 /* begin header processing loop for Citadel message format */
1693 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1695 safestrncpy(display_name, "<unknown>", sizeof display_name);
1696 if (TheMessage->cm_fields['A']) {
1697 strcpy(buf, TheMessage->cm_fields['A']);
1698 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1699 safestrncpy(display_name, "****", sizeof display_name);
1701 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1702 safestrncpy(display_name, "anonymous", sizeof display_name);
1705 safestrncpy(display_name, buf, sizeof display_name);
1707 if ((is_room_aide())
1708 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1709 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1710 size_t tmp = strlen(display_name);
1711 snprintf(&display_name[tmp],
1712 sizeof display_name - tmp,
1717 /* Don't show Internet address for users on the
1718 * local Citadel network.
1721 if (TheMessage->cm_fields['N'] != NULL)
1722 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1723 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1727 /* Now spew the header fields in the order we like them. */
1728 safestrncpy(allkeys, FORDER, sizeof allkeys);
1729 for (i=0; i<strlen(allkeys); ++i) {
1730 k = (int) allkeys[i];
1732 if ( (TheMessage->cm_fields[k] != NULL)
1733 && (msgkeys[k] != NULL) ) {
1735 if (do_proto) cprintf("%s=%s\n",
1739 else if ((k == 'F') && (suppress_f)) {
1742 /* Masquerade display name if needed */
1744 if (do_proto) cprintf("%s=%s\n",
1746 TheMessage->cm_fields[k]
1755 /* begin header processing loop for RFC822 transfer format */
1760 strcpy(snode, NODENAME);
1761 strcpy(lnode, HUMANNODE);
1762 if (mode == MT_RFC822) {
1763 for (i = 0; i < 256; ++i) {
1764 if (TheMessage->cm_fields[i]) {
1765 mptr = mpptr = TheMessage->cm_fields[i];
1768 safestrncpy(luser, mptr, sizeof luser);
1769 safestrncpy(suser, mptr, sizeof suser);
1771 else if (i == 'Y') {
1772 if ((flags & QP_EADDR) != 0)
1773 mptr = qp_encode_email_addrs(mptr);
1774 cprintf("CC: %s%s", mptr, nl);
1776 else if (i == 'P') {
1777 cprintf("Return-Path: %s%s", mptr, nl);
1779 else if (i == 'V') {
1780 if ((flags & QP_EADDR) != 0)
1781 mptr = qp_encode_email_addrs(mptr);
1782 cprintf("Envelope-To: %s%s", mptr, nl);
1784 else if (i == 'U') {
1785 cprintf("Subject: %s%s", mptr, nl);
1789 safestrncpy(mid, mptr, sizeof mid);
1791 safestrncpy(lnode, mptr, sizeof lnode);
1793 safestrncpy(fuser, mptr, sizeof fuser);
1794 /* else if (i == 'O')
1795 cprintf("X-Citadel-Room: %s%s",
1798 safestrncpy(snode, mptr, sizeof snode);
1801 if (haschar(mptr, '@') == 0)
1803 cprintf("To: %s@%s%s", mptr, config.c_fqdn, nl);
1807 if ((flags & QP_EADDR) != 0)
1808 mptr = qp_encode_email_addrs(mptr);
1809 cprintf("To: %s%s", mptr, nl);
1812 else if (i == 'T') {
1813 datestring(datestamp, sizeof datestamp,
1814 atol(mptr), DATESTRING_RFC822);
1815 cprintf("Date: %s%s", datestamp, nl);
1817 else if (i == 'W') {
1818 cprintf("References: ");
1819 k = num_tokens(mptr, '|');
1820 for (j=0; j<k; ++j) {
1821 extract_token(buf, mptr, j, '|', sizeof buf);
1822 cprintf("<%s>", buf);
1835 if (subject_found == 0) {
1836 cprintf("Subject: (no subject)%s", nl);
1840 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
1841 suser[i] = tolower(suser[i]);
1842 if (!isalnum(suser[i])) suser[i]='_';
1845 if (mode == MT_RFC822) {
1846 if (!strcasecmp(snode, NODENAME)) {
1847 safestrncpy(snode, FQDN, sizeof snode);
1850 /* Construct a fun message id */
1851 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
1852 if (strchr(mid, '@')==NULL) {
1853 cprintf("@%s", snode);
1857 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
1858 cprintf("From: \"----\" <x@x.org>%s", nl);
1860 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
1861 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
1863 else if (!IsEmptyStr(fuser)) {
1864 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
1867 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
1870 cprintf("Organization: %s%s", lnode, nl);
1872 /* Blank line signifying RFC822 end-of-headers */
1873 if (TheMessage->cm_format_type != FMT_RFC822) {
1878 /* end header processing loop ... at this point, we're in the text */
1880 if (headers_only == HEADERS_FAST) goto DONE;
1881 mptr = TheMessage->cm_fields['M'];
1883 /* Tell the client about the MIME parts in this message */
1884 if (TheMessage->cm_format_type == FMT_RFC822) {
1885 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1886 memset(&ma, 0, sizeof(struct ma_info));
1887 mime_parser(mptr, NULL,
1888 (do_proto ? *list_this_part : NULL),
1889 (do_proto ? *list_this_pref : NULL),
1890 (do_proto ? *list_this_suff : NULL),
1893 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1894 char *start_of_text = NULL;
1895 start_of_text = strstr(mptr, "\n\r\n");
1896 if (start_of_text == NULL) start_of_text = strstr(mptr, "\n\n");
1897 if (start_of_text == NULL) start_of_text = mptr;
1899 start_of_text = strstr(start_of_text, "\n");
1904 int nllen = strlen(nl);
1906 while (ch=*mptr, ch!=0) {
1912 ((headers_only == HEADERS_NONE) && (mptr >= start_of_text))
1913 || ((headers_only == HEADERS_ONLY) && (mptr < start_of_text))
1914 || ((headers_only != HEADERS_NONE) && (headers_only != HEADERS_ONLY))
1917 sprintf(&outbuf[outlen], "%s", nl);
1921 outbuf[outlen++] = ch;
1925 if (flags & ESC_DOT)
1927 if ((prev_ch == 10) && (ch == '.') && ((*(mptr+1) == 13) || (*(mptr+1) == 10)))
1929 outbuf[outlen++] = '.';
1934 if (outlen > 1000) {
1935 client_write(outbuf, outlen);
1940 client_write(outbuf, outlen);
1948 if (headers_only == HEADERS_ONLY) {
1952 /* signify start of msg text */
1953 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1954 if (do_proto) cprintf("text\n");
1957 /* If the format type on disk is 1 (fixed-format), then we want
1958 * everything to be output completely literally ... regardless of
1959 * what message transfer format is in use.
1961 if (TheMessage->cm_format_type == FMT_FIXED) {
1963 if (mode == MT_MIME) {
1964 cprintf("Content-type: text/plain\n\n");
1968 while (ch = *mptr++, ch > 0) {
1971 if ((ch == 10) || (buflen > 250)) {
1973 cprintf("%s%s", buf, nl);
1982 if (!IsEmptyStr(buf))
1983 cprintf("%s%s", buf, nl);
1986 /* If the message on disk is format 0 (Citadel vari-format), we
1987 * output using the formatter at 80 columns. This is the final output
1988 * form if the transfer format is RFC822, but if the transfer format
1989 * is Citadel proprietary, it'll still work, because the indentation
1990 * for new paragraphs is correct and the client will reformat the
1991 * message to the reader's screen width.
1993 if (TheMessage->cm_format_type == FMT_CITADEL) {
1994 if (mode == MT_MIME) {
1995 cprintf("Content-type: text/x-citadel-variformat\n\n");
1997 memfmout(mptr, 0, nl);
2000 /* If the message on disk is format 4 (MIME), we've gotta hand it
2001 * off to the MIME parser. The client has already been told that
2002 * this message is format 1 (fixed format), so the callback function
2003 * we use will display those parts as-is.
2005 if (TheMessage->cm_format_type == FMT_RFC822) {
2006 memset(&ma, 0, sizeof(struct ma_info));
2008 if (mode == MT_MIME) {
2009 ma.use_fo_hooks = 0;
2010 strcpy(ma.chosen_part, "1");
2011 ma.chosen_pref = 9999;
2012 mime_parser(mptr, NULL,
2013 *choose_preferred, *fixed_output_pre,
2014 *fixed_output_post, (void *)&ma, 0);
2015 mime_parser(mptr, NULL,
2016 *output_preferred, NULL, NULL, (void *)&ma, CC->msg4_dont_decode);
2019 ma.use_fo_hooks = 1;
2020 mime_parser(mptr, NULL,
2021 *fixed_output, *fixed_output_pre,
2022 *fixed_output_post, (void *)&ma, 0);
2027 DONE: /* now we're done */
2028 if (do_proto) cprintf("000\n");
2035 * display a message (mode 0 - Citadel proprietary)
2037 void cmd_msg0(char *cmdbuf)
2040 int headers_only = HEADERS_ALL;
2042 msgid = extract_long(cmdbuf, 0);
2043 headers_only = extract_int(cmdbuf, 1);
2045 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2051 * display a message (mode 2 - RFC822)
2053 void cmd_msg2(char *cmdbuf)
2056 int headers_only = HEADERS_ALL;
2058 msgid = extract_long(cmdbuf, 0);
2059 headers_only = extract_int(cmdbuf, 1);
2061 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2067 * display a message (mode 3 - IGnet raw format - internal programs only)
2069 void cmd_msg3(char *cmdbuf)
2072 struct CtdlMessage *msg = NULL;
2075 if (CC->internal_pgm == 0) {
2076 cprintf("%d This command is for internal programs only.\n",
2077 ERROR + HIGHER_ACCESS_REQUIRED);
2081 msgnum = extract_long(cmdbuf, 0);
2082 msg = CtdlFetchMessage(msgnum, 1);
2084 cprintf("%d Message %ld not found.\n",
2085 ERROR + MESSAGE_NOT_FOUND, msgnum);
2089 serialize_message(&smr, msg);
2090 CtdlFreeMessage(msg);
2093 cprintf("%d Unable to serialize message\n",
2094 ERROR + INTERNAL_ERROR);
2098 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2099 client_write((char *)smr.ser, (int)smr.len);
2106 * Display a message using MIME content types
2108 void cmd_msg4(char *cmdbuf)
2113 msgid = extract_long(cmdbuf, 0);
2114 extract_token(section, cmdbuf, 1, '|', sizeof section);
2115 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2121 * Client tells us its preferred message format(s)
2123 void cmd_msgp(char *cmdbuf)
2125 if (!strcasecmp(cmdbuf, "dont_decode")) {
2126 CC->msg4_dont_decode = 1;
2127 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2130 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2131 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2137 * Open a component of a MIME message as a download file
2139 void cmd_opna(char *cmdbuf)
2142 char desired_section[128];
2144 msgid = extract_long(cmdbuf, 0);
2145 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2146 safestrncpy(CC->download_desired_section, desired_section,
2147 sizeof CC->download_desired_section);
2148 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2153 * Open a component of a MIME message and transmit it all at once
2155 void cmd_dlat(char *cmdbuf)
2158 char desired_section[128];
2160 msgid = extract_long(cmdbuf, 0);
2161 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2162 safestrncpy(CC->download_desired_section, desired_section,
2163 sizeof CC->download_desired_section);
2164 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2169 * Save one or more message pointers into a specified room
2170 * (Returns 0 for success, nonzero for failure)
2171 * roomname may be NULL to use the current room
2173 * Note that the 'supplied_msg' field may be set to NULL, in which case
2174 * the message will be fetched from disk, by number, if we need to perform
2175 * replication checks. This adds an additional database read, so if the
2176 * caller already has the message in memory then it should be supplied. (Obviously
2177 * this mode of operation only works if we're saving a single message.)
2179 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2180 int do_repl_check, struct CtdlMessage *supplied_msg)
2183 char hold_rm[ROOMNAMELEN];
2184 struct cdbdata *cdbfr;
2187 long highest_msg = 0L;
2190 struct CtdlMessage *msg = NULL;
2192 long *msgs_to_be_merged = NULL;
2193 int num_msgs_to_be_merged = 0;
2195 CtdlLogPrintf(CTDL_DEBUG,
2196 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d)\n",
2197 roomname, num_newmsgs, do_repl_check);
2199 strcpy(hold_rm, CC->room.QRname);
2202 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2203 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2204 if (num_newmsgs > 1) supplied_msg = NULL;
2206 /* Now the regular stuff */
2207 if (lgetroom(&CC->room,
2208 ((roomname != NULL) ? roomname : CC->room.QRname) )
2210 CtdlLogPrintf(CTDL_ERR, "No such room <%s>\n", roomname);
2211 return(ERROR + ROOM_NOT_FOUND);
2215 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2216 num_msgs_to_be_merged = 0;
2219 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2220 if (cdbfr == NULL) {
2224 msglist = (long *) cdbfr->ptr;
2225 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2226 num_msgs = cdbfr->len / sizeof(long);
2231 /* Create a list of msgid's which were supplied by the caller, but do
2232 * not already exist in the target room. It is absolutely taboo to
2233 * have more than one reference to the same message in a room.
2235 for (i=0; i<num_newmsgs; ++i) {
2237 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2238 if (msglist[j] == newmsgidlist[i]) {
2243 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2247 CtdlLogPrintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2250 * Now merge the new messages
2252 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2253 if (msglist == NULL) {
2254 CtdlLogPrintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2256 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2257 num_msgs += num_msgs_to_be_merged;
2259 /* Sort the message list, so all the msgid's are in order */
2260 num_msgs = sort_msglist(msglist, num_msgs);
2262 /* Determine the highest message number */
2263 highest_msg = msglist[num_msgs - 1];
2265 /* Write it back to disk. */
2266 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2267 msglist, (int)(num_msgs * sizeof(long)));
2269 /* Free up the memory we used. */
2272 /* Update the highest-message pointer and unlock the room. */
2273 CC->room.QRhighest = highest_msg;
2274 lputroom(&CC->room);
2276 /* Perform replication checks if necessary */
2277 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2278 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2280 for (i=0; i<num_msgs_to_be_merged; ++i) {
2281 msgid = msgs_to_be_merged[i];
2283 if (supplied_msg != NULL) {
2287 msg = CtdlFetchMessage(msgid, 0);
2291 ReplicationChecks(msg);
2293 /* If the message has an Exclusive ID, index that... */
2294 if (msg->cm_fields['E'] != NULL) {
2295 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2298 /* Free up the memory we may have allocated */
2299 if (msg != supplied_msg) {
2300 CtdlFreeMessage(msg);
2308 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2311 /* Submit this room for processing by hooks */
2312 PerformRoomHooks(&CC->room);
2314 /* Go back to the room we were in before we wandered here... */
2315 getroom(&CC->room, hold_rm);
2317 /* Bump the reference count for all messages which were merged */
2318 for (i=0; i<num_msgs_to_be_merged; ++i) {
2319 AdjRefCount(msgs_to_be_merged[i], +1);
2322 /* Free up memory... */
2323 if (msgs_to_be_merged != NULL) {
2324 free(msgs_to_be_merged);
2327 /* Return success. */
2333 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2336 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2337 int do_repl_check, struct CtdlMessage *supplied_msg)
2339 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg);
2346 * Message base operation to save a new message to the message store
2347 * (returns new message number)
2349 * This is the back end for CtdlSubmitMsg() and should not be directly
2350 * called by server-side modules.
2353 long send_message(struct CtdlMessage *msg) {
2361 /* Get a new message number */
2362 newmsgid = get_new_message_number();
2363 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2365 /* Generate an ID if we don't have one already */
2366 if (msg->cm_fields['I']==NULL) {
2367 msg->cm_fields['I'] = strdup(msgidbuf);
2370 /* If the message is big, set its body aside for storage elsewhere */
2371 if (msg->cm_fields['M'] != NULL) {
2372 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2374 holdM = msg->cm_fields['M'];
2375 msg->cm_fields['M'] = NULL;
2379 /* Serialize our data structure for storage in the database */
2380 serialize_message(&smr, msg);
2383 msg->cm_fields['M'] = holdM;
2387 cprintf("%d Unable to serialize message\n",
2388 ERROR + INTERNAL_ERROR);
2392 /* Write our little bundle of joy into the message base */
2393 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2394 smr.ser, smr.len) < 0) {
2395 CtdlLogPrintf(CTDL_ERR, "Can't store message\n");
2399 cdb_store(CDB_BIGMSGS,
2409 /* Free the memory we used for the serialized message */
2412 /* Return the *local* message ID to the caller
2413 * (even if we're storing an incoming network message)
2421 * Serialize a struct CtdlMessage into the format used on disk and network.
2423 * This function loads up a "struct ser_ret" (defined in server.h) which
2424 * contains the length of the serialized message and a pointer to the
2425 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2427 void serialize_message(struct ser_ret *ret, /* return values */
2428 struct CtdlMessage *msg) /* unserialized msg */
2430 size_t wlen, fieldlen;
2432 static char *forder = FORDER;
2435 * Check for valid message format
2437 if (is_valid_message(msg) == 0) {
2438 CtdlLogPrintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2445 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2446 ret->len = ret->len +
2447 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2449 ret->ser = malloc(ret->len);
2450 if (ret->ser == NULL) {
2451 CtdlLogPrintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2452 (long)ret->len, strerror(errno));
2459 ret->ser[1] = msg->cm_anon_type;
2460 ret->ser[2] = msg->cm_format_type;
2463 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2464 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2465 ret->ser[wlen++] = (char)forder[i];
2466 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2467 wlen = wlen + fieldlen + 1;
2469 if (ret->len != wlen) CtdlLogPrintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2470 (long)ret->len, (long)wlen);
2477 * Serialize a struct CtdlMessage into the format used on disk and network.
2479 * This function loads up a "struct ser_ret" (defined in server.h) which
2480 * contains the length of the serialized message and a pointer to the
2481 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2483 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2484 long Siz) /* how many chars ? */
2488 static char *forder = FORDER;
2492 * Check for valid message format
2494 if (is_valid_message(msg) == 0) {
2495 CtdlLogPrintf(CTDL_ERR, "dump_message() aborting due to invalid message\n");
2499 buf = (char*) malloc (Siz + 1);
2503 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2504 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2505 msg->cm_fields[(int)forder[i]]);
2506 client_write (buf, strlen(buf));
2515 * Check to see if any messages already exist in the current room which
2516 * carry the same Exclusive ID as this one. If any are found, delete them.
2518 void ReplicationChecks(struct CtdlMessage *msg) {
2519 long old_msgnum = (-1L);
2521 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2523 CtdlLogPrintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2526 /* No exclusive id? Don't do anything. */
2527 if (msg == NULL) return;
2528 if (msg->cm_fields['E'] == NULL) return;
2529 if (IsEmptyStr(msg->cm_fields['E'])) return;
2530 /*CtdlLogPrintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2531 msg->cm_fields['E'], CC->room.QRname);*/
2533 old_msgnum = locate_message_by_euid(msg->cm_fields['E'], &CC->room);
2534 if (old_msgnum > 0L) {
2535 CtdlLogPrintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2536 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2543 * Save a message to disk and submit it into the delivery system.
2545 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2546 struct recptypes *recps, /* recipients (if mail) */
2547 char *force, /* force a particular room? */
2548 int flags /* should the bessage be exported clean? */
2550 char submit_filename[128];
2551 char generated_timestamp[32];
2552 char hold_rm[ROOMNAMELEN];
2553 char actual_rm[ROOMNAMELEN];
2554 char force_room[ROOMNAMELEN];
2555 char content_type[SIZ]; /* We have to learn this */
2556 char recipient[SIZ];
2559 struct ctdluser userbuf;
2561 struct MetaData smi;
2562 FILE *network_fp = NULL;
2563 static int seqnum = 1;
2564 struct CtdlMessage *imsg = NULL;
2566 size_t instr_alloc = 0;
2568 char *hold_R, *hold_D;
2569 char *collected_addresses = NULL;
2570 struct addresses_to_be_filed *aptr = NULL;
2571 char *saved_rfc822_version = NULL;
2572 int qualified_for_journaling = 0;
2573 struct CitContext *CCC = CC; /* CachedCitContext - performance boost */
2574 char bounce_to[1024] = "";
2576 CtdlLogPrintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2577 if (is_valid_message(msg) == 0) return(-1); /* self check */
2579 /* If this message has no timestamp, we take the liberty of
2580 * giving it one, right now.
2582 if (msg->cm_fields['T'] == NULL) {
2583 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2584 msg->cm_fields['T'] = strdup(generated_timestamp);
2587 /* If this message has no path, we generate one.
2589 if (msg->cm_fields['P'] == NULL) {
2590 if (msg->cm_fields['A'] != NULL) {
2591 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2592 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2593 if (isspace(msg->cm_fields['P'][a])) {
2594 msg->cm_fields['P'][a] = ' ';
2599 msg->cm_fields['P'] = strdup("unknown");
2603 if (force == NULL) {
2604 strcpy(force_room, "");
2607 strcpy(force_room, force);
2610 /* Learn about what's inside, because it's what's inside that counts */
2611 if (msg->cm_fields['M'] == NULL) {
2612 CtdlLogPrintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2616 switch (msg->cm_format_type) {
2618 strcpy(content_type, "text/x-citadel-variformat");
2621 strcpy(content_type, "text/plain");
2624 strcpy(content_type, "text/plain");
2625 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
2628 safestrncpy(content_type, &mptr[13], sizeof content_type);
2629 striplt(content_type);
2630 aptr = content_type;
2631 while (!IsEmptyStr(aptr)) {
2643 /* Goto the correct room */
2644 CtdlLogPrintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
2645 strcpy(hold_rm, CCC->room.QRname);
2646 strcpy(actual_rm, CCC->room.QRname);
2647 if (recps != NULL) {
2648 strcpy(actual_rm, SENTITEMS);
2651 /* If the user is a twit, move to the twit room for posting */
2653 if (CCC->user.axlevel == 2) {
2654 strcpy(hold_rm, actual_rm);
2655 strcpy(actual_rm, config.c_twitroom);
2656 CtdlLogPrintf(CTDL_DEBUG, "Diverting to twit room\n");
2660 /* ...or if this message is destined for Aide> then go there. */
2661 if (!IsEmptyStr(force_room)) {
2662 strcpy(actual_rm, force_room);
2665 CtdlLogPrintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2666 if (strcasecmp(actual_rm, CCC->room.QRname)) {
2667 /* getroom(&CCC->room, actual_rm); */
2668 usergoto(actual_rm, 0, 1, NULL, NULL);
2672 * If this message has no O (room) field, generate one.
2674 if (msg->cm_fields['O'] == NULL) {
2675 msg->cm_fields['O'] = strdup(CCC->room.QRname);
2678 /* Perform "before save" hooks (aborting if any return nonzero) */
2679 CtdlLogPrintf(CTDL_DEBUG, "Performing before-save hooks\n");
2680 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2683 * If this message has an Exclusive ID, and the room is replication
2684 * checking enabled, then do replication checks.
2686 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
2687 ReplicationChecks(msg);
2690 /* Save it to disk */
2691 CtdlLogPrintf(CTDL_DEBUG, "Saving to disk\n");
2692 newmsgid = send_message(msg);
2693 if (newmsgid <= 0L) return(-5);
2695 /* Write a supplemental message info record. This doesn't have to
2696 * be a critical section because nobody else knows about this message
2699 CtdlLogPrintf(CTDL_DEBUG, "Creating MetaData record\n");
2700 memset(&smi, 0, sizeof(struct MetaData));
2701 smi.meta_msgnum = newmsgid;
2702 smi.meta_refcount = 0;
2703 safestrncpy(smi.meta_content_type, content_type,
2704 sizeof smi.meta_content_type);
2707 * Measure how big this message will be when rendered as RFC822.
2708 * We do this for two reasons:
2709 * 1. We need the RFC822 length for the new metadata record, so the
2710 * POP and IMAP services don't have to calculate message lengths
2711 * while the user is waiting (multiplied by potentially hundreds
2712 * or thousands of messages).
2713 * 2. If journaling is enabled, we will need an RFC822 version of the
2714 * message to attach to the journalized copy.
2716 if (CCC->redirect_buffer != NULL) {
2717 CtdlLogPrintf(CTDL_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
2720 CCC->redirect_buffer = malloc(SIZ);
2721 CCC->redirect_len = 0;
2722 CCC->redirect_alloc = SIZ;
2723 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
2724 smi.meta_rfc822_length = CCC->redirect_len;
2725 saved_rfc822_version = CCC->redirect_buffer;
2726 CCC->redirect_buffer = NULL;
2727 CCC->redirect_len = 0;
2728 CCC->redirect_alloc = 0;
2732 /* Now figure out where to store the pointers */
2733 CtdlLogPrintf(CTDL_DEBUG, "Storing pointers\n");
2735 /* If this is being done by the networker delivering a private
2736 * message, we want to BYPASS saving the sender's copy (because there
2737 * is no local sender; it would otherwise go to the Trashcan).
2739 if ((!CCC->internal_pgm) || (recps == NULL)) {
2740 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2741 CtdlLogPrintf(CTDL_ERR, "ERROR saving message pointer!\n");
2742 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2746 /* For internet mail, drop a copy in the outbound queue room */
2748 if (recps->num_internet > 0) {
2749 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2752 /* If other rooms are specified, drop them there too. */
2754 if (recps->num_room > 0)
2755 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2756 extract_token(recipient, recps->recp_room, i,
2757 '|', sizeof recipient);
2758 CtdlLogPrintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2759 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2762 /* Bump this user's messages posted counter. */
2763 CtdlLogPrintf(CTDL_DEBUG, "Updating user\n");
2764 lgetuser(&CCC->user, CCC->curr_user);
2765 CCC->user.posted = CCC->user.posted + 1;
2766 lputuser(&CCC->user);
2768 /* Decide where bounces need to be delivered */
2769 if (CCC->logged_in) {
2770 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
2773 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
2776 /* If this is private, local mail, make a copy in the
2777 * recipient's mailbox and bump the reference count.
2780 if (recps->num_local > 0)
2781 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2782 extract_token(recipient, recps->recp_local, i,
2783 '|', sizeof recipient);
2784 CtdlLogPrintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2786 if (getuser(&userbuf, recipient) == 0) {
2787 // Add a flag so the Funambol module knows its mail
2788 msg->cm_fields['W'] = strdup(recipient);
2789 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2790 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2791 BumpNewMailCounter(userbuf.usernum);
2792 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
2793 /* Generate a instruction message for the Funambol notification
2794 * server, in the same style as the SMTP queue
2797 instr = malloc(instr_alloc);
2798 snprintf(instr, instr_alloc,
2799 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2801 SPOOLMIME, newmsgid, (long)time(NULL),
2805 imsg = malloc(sizeof(struct CtdlMessage));
2806 memset(imsg, 0, sizeof(struct CtdlMessage));
2807 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2808 imsg->cm_anon_type = MES_NORMAL;
2809 imsg->cm_format_type = FMT_RFC822;
2810 imsg->cm_fields['A'] = strdup("Citadel");
2811 imsg->cm_fields['J'] = strdup("do not journal");
2812 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
2813 imsg->cm_fields['W'] = strdup(recipient);
2814 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
2815 CtdlFreeMessage(imsg);
2819 CtdlLogPrintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2820 CtdlSaveMsgPointerInRoom(config.c_aideroom,
2825 /* Perform "after save" hooks */
2826 CtdlLogPrintf(CTDL_DEBUG, "Performing after-save hooks\n");
2827 PerformMessageHooks(msg, EVT_AFTERSAVE);
2829 /* For IGnet mail, we have to save a new copy into the spooler for
2830 * each recipient, with the R and D fields set to the recipient and
2831 * destination-node. This has two ugly side effects: all other
2832 * recipients end up being unlisted in this recipient's copy of the
2833 * message, and it has to deliver multiple messages to the same
2834 * node. We'll revisit this again in a year or so when everyone has
2835 * a network spool receiver that can handle the new style messages.
2838 if (recps->num_ignet > 0)
2839 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2840 extract_token(recipient, recps->recp_ignet, i,
2841 '|', sizeof recipient);
2843 hold_R = msg->cm_fields['R'];
2844 hold_D = msg->cm_fields['D'];
2845 msg->cm_fields['R'] = malloc(SIZ);
2846 msg->cm_fields['D'] = malloc(128);
2847 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
2848 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
2850 serialize_message(&smr, msg);
2852 snprintf(submit_filename, sizeof submit_filename,
2853 "%s/netmail.%04lx.%04x.%04x",
2855 (long) getpid(), CCC->cs_pid, ++seqnum);
2856 network_fp = fopen(submit_filename, "wb+");
2857 if (network_fp != NULL) {
2858 fwrite(smr.ser, smr.len, 1, network_fp);
2864 free(msg->cm_fields['R']);
2865 free(msg->cm_fields['D']);
2866 msg->cm_fields['R'] = hold_R;
2867 msg->cm_fields['D'] = hold_D;
2870 /* Go back to the room we started from */
2871 CtdlLogPrintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2872 if (strcasecmp(hold_rm, CCC->room.QRname))
2873 usergoto(hold_rm, 0, 1, NULL, NULL);
2875 /* For internet mail, generate delivery instructions.
2876 * Yes, this is recursive. Deal with it. Infinite recursion does
2877 * not happen because the delivery instructions message does not
2878 * contain a recipient.
2881 if (recps->num_internet > 0) {
2882 CtdlLogPrintf(CTDL_DEBUG, "Generating delivery instructions\n");
2884 instr = malloc(instr_alloc);
2885 snprintf(instr, instr_alloc,
2886 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2888 SPOOLMIME, newmsgid, (long)time(NULL),
2892 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2893 size_t tmp = strlen(instr);
2894 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
2895 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
2896 instr_alloc = instr_alloc * 2;
2897 instr = realloc(instr, instr_alloc);
2899 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
2902 imsg = malloc(sizeof(struct CtdlMessage));
2903 memset(imsg, 0, sizeof(struct CtdlMessage));
2904 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2905 imsg->cm_anon_type = MES_NORMAL;
2906 imsg->cm_format_type = FMT_RFC822;
2907 imsg->cm_fields['A'] = strdup("Citadel");
2908 imsg->cm_fields['J'] = strdup("do not journal");
2909 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
2910 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
2911 CtdlFreeMessage(imsg);
2915 * Any addresses to harvest for someone's address book?
2917 if ( (CCC->logged_in) && (recps != NULL) ) {
2918 collected_addresses = harvest_collected_addresses(msg);
2921 if (collected_addresses != NULL) {
2922 aptr = (struct addresses_to_be_filed *)
2923 malloc(sizeof(struct addresses_to_be_filed));
2924 MailboxName(actual_rm, sizeof actual_rm,
2925 &CCC->user, USERCONTACTSROOM);
2926 aptr->roomname = strdup(actual_rm);
2927 aptr->collected_addresses = collected_addresses;
2928 begin_critical_section(S_ATBF);
2931 end_critical_section(S_ATBF);
2935 * Determine whether this message qualifies for journaling.
2937 if (msg->cm_fields['J'] != NULL) {
2938 qualified_for_journaling = 0;
2941 if (recps == NULL) {
2942 qualified_for_journaling = config.c_journal_pubmsgs;
2944 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
2945 qualified_for_journaling = config.c_journal_email;
2948 qualified_for_journaling = config.c_journal_pubmsgs;
2953 * Do we have to perform journaling? If so, hand off the saved
2954 * RFC822 version will be handed off to the journaler for background
2955 * submit. Otherwise, we have to free the memory ourselves.
2957 if (saved_rfc822_version != NULL) {
2958 if (qualified_for_journaling) {
2959 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
2962 free(saved_rfc822_version);
2975 * Convenience function for generating small administrative messages.
2977 void quickie_message(char *from, char *fromaddr, char *to, char *room, char *text,
2978 int format_type, char *subject)
2980 struct CtdlMessage *msg;
2981 struct recptypes *recp = NULL;
2983 msg = malloc(sizeof(struct CtdlMessage));
2984 memset(msg, 0, sizeof(struct CtdlMessage));
2985 msg->cm_magic = CTDLMESSAGE_MAGIC;
2986 msg->cm_anon_type = MES_NORMAL;
2987 msg->cm_format_type = format_type;
2990 msg->cm_fields['A'] = strdup(from);
2992 else if (fromaddr != NULL) {
2993 msg->cm_fields['A'] = strdup(fromaddr);
2994 if (strchr(msg->cm_fields['A'], '@')) {
2995 *strchr(msg->cm_fields['A'], '@') = 0;
2999 msg->cm_fields['A'] = strdup("Citadel");
3002 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3003 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3004 msg->cm_fields['N'] = strdup(NODENAME);
3006 msg->cm_fields['R'] = strdup(to);
3007 recp = validate_recipients(to, NULL, 0);
3009 if (subject != NULL) {
3010 msg->cm_fields['U'] = strdup(subject);
3012 msg->cm_fields['M'] = strdup(text);
3014 CtdlSubmitMsg(msg, recp, room, 0);
3015 CtdlFreeMessage(msg);
3016 if (recp != NULL) free_recipients(recp);
3022 * Back end function used by CtdlMakeMessage() and similar functions
3024 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3025 size_t maxlen, /* maximum message length */
3026 char *exist, /* if non-null, append to it;
3027 exist is ALWAYS freed */
3028 int crlf, /* CRLF newlines instead of LF */
3029 int sock /* socket handle or 0 for this session's client socket */
3033 size_t message_len = 0;
3034 size_t buffer_len = 0;
3041 if (exist == NULL) {
3048 message_len = strlen(exist);
3049 buffer_len = message_len + 4096;
3050 m = realloc(exist, buffer_len);
3057 /* Do we need to change leading ".." to "." for SMTP escaping? */
3058 if (!strcmp(terminator, ".")) {
3062 /* flush the input if we have nowhere to store it */
3067 /* read in the lines of message text one by one */
3070 if (sock_getln(sock, buf, (sizeof buf - 3)) < 0) finished = 1;
3073 if (client_getln(buf, (sizeof buf - 3)) < 1) finished = 1;
3075 if (!strcmp(buf, terminator)) finished = 1;
3077 strcat(buf, "\r\n");
3083 /* Unescape SMTP-style input of two dots at the beginning of the line */
3085 if (!strncmp(buf, "..", 2)) {
3086 strcpy(buf, &buf[1]);
3090 if ( (!flushing) && (!finished) ) {
3091 /* Measure the line */
3092 linelen = strlen(buf);
3094 /* augment the buffer if we have to */
3095 if ((message_len + linelen) >= buffer_len) {
3096 ptr = realloc(m, (buffer_len * 2) );
3097 if (ptr == NULL) { /* flush if can't allocate */
3100 buffer_len = (buffer_len * 2);
3102 CtdlLogPrintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
3106 /* Add the new line to the buffer. NOTE: this loop must avoid
3107 * using functions like strcat() and strlen() because they
3108 * traverse the entire buffer upon every call, and doing that
3109 * for a multi-megabyte message slows it down beyond usability.
3111 strcpy(&m[message_len], buf);
3112 message_len += linelen;
3115 /* if we've hit the max msg length, flush the rest */
3116 if (message_len >= maxlen) flushing = 1;
3118 } while (!finished);
3126 * Build a binary message to be saved on disk.
3127 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3128 * will become part of the message. This means you are no longer
3129 * responsible for managing that memory -- it will be freed along with
3130 * the rest of the fields when CtdlFreeMessage() is called.)
3133 struct CtdlMessage *CtdlMakeMessage(
3134 struct ctdluser *author, /* author's user structure */
3135 char *recipient, /* NULL if it's not mail */
3136 char *recp_cc, /* NULL if it's not mail */
3137 char *room, /* room where it's going */
3138 int type, /* see MES_ types in header file */
3139 int format_type, /* variformat, plain text, MIME... */
3140 char *fake_name, /* who we're masquerading as */
3141 char *my_email, /* which of my email addresses to use (empty is ok) */
3142 char *subject, /* Subject (optional) */
3143 char *supplied_euid, /* ...or NULL if this is irrelevant */
3144 char *preformatted_text, /* ...or NULL to read text from client */
3145 char *references /* Thread references */
3147 char dest_node[256];
3149 struct CtdlMessage *msg;
3151 msg = malloc(sizeof(struct CtdlMessage));
3152 memset(msg, 0, sizeof(struct CtdlMessage));
3153 msg->cm_magic = CTDLMESSAGE_MAGIC;
3154 msg->cm_anon_type = type;
3155 msg->cm_format_type = format_type;
3157 /* Don't confuse the poor folks if it's not routed mail. */
3158 strcpy(dest_node, "");
3163 /* Path or Return-Path */
3164 if (my_email == NULL) my_email = "";
3166 if (!IsEmptyStr(my_email)) {
3167 msg->cm_fields['P'] = strdup(my_email);
3170 snprintf(buf, sizeof buf, "%s", author->fullname);
3171 msg->cm_fields['P'] = strdup(buf);
3173 convert_spaces_to_underscores(msg->cm_fields['P']);
3175 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3176 msg->cm_fields['T'] = strdup(buf);
3178 if (fake_name[0]) /* author */
3179 msg->cm_fields['A'] = strdup(fake_name);
3181 msg->cm_fields['A'] = strdup(author->fullname);
3183 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3184 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3187 msg->cm_fields['O'] = strdup(CC->room.QRname);
3190 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3191 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3193 if (recipient[0] != 0) {
3194 msg->cm_fields['R'] = strdup(recipient);
3196 if (recp_cc[0] != 0) {
3197 msg->cm_fields['Y'] = strdup(recp_cc);
3199 if (dest_node[0] != 0) {
3200 msg->cm_fields['D'] = strdup(dest_node);
3203 if (!IsEmptyStr(my_email)) {
3204 msg->cm_fields['F'] = strdup(my_email);
3206 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3207 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3210 if (subject != NULL) {
3213 length = strlen(subject);
3219 while ((subject[i] != '\0') &&
3220 (IsAscii = isascii(subject[i]) != 0 ))
3223 msg->cm_fields['U'] = strdup(subject);
3224 else /* ok, we've got utf8 in the string. */
3226 msg->cm_fields['U'] = rfc2047encode(subject, length);
3232 if (supplied_euid != NULL) {
3233 msg->cm_fields['E'] = strdup(supplied_euid);
3236 if (references != NULL) {
3237 if (!IsEmptyStr(references)) {
3238 msg->cm_fields['W'] = strdup(references);
3242 if (preformatted_text != NULL) {
3243 msg->cm_fields['M'] = preformatted_text;
3246 msg->cm_fields['M'] = CtdlReadMessageBody("000", config.c_maxmsglen, NULL, 0, 0);
3254 * Check to see whether we have permission to post a message in the current
3255 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3256 * returns 0 on success.
3258 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf,
3260 const char* RemoteIdentifier,
3264 if (!(CC->logged_in) &&
3265 (PostPublic == POST_LOGGED_IN)) {
3266 snprintf(errmsgbuf, n, "Not logged in.");
3267 return (ERROR + NOT_LOGGED_IN);
3269 else if (PostPublic == CHECK_EXISTANCE) {
3270 return (0); // We're Evaling whether a recipient exists
3272 else if (!(CC->logged_in)) {
3274 if ((CC->room.QRflags & QR_READONLY)) {
3275 snprintf(errmsgbuf, n, "Not logged in.");
3276 return (ERROR + NOT_LOGGED_IN);
3278 if (CC->room.QRflags2 & QR2_MODERATED) {
3279 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3280 return (ERROR + NOT_LOGGED_IN);
3282 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3287 if (RemoteIdentifier == NULL)
3289 snprintf(errmsgbuf, n, "Need sender to permit access.");
3290 return (ERROR + USERNAME_REQUIRED);
3293 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3294 begin_critical_section(S_NETCONFIGS);
3295 if (!read_spoolcontrol_file(&sc, filename))
3297 end_critical_section(S_NETCONFIGS);
3298 snprintf(errmsgbuf, n,
3299 "This mailing list only accepts posts from subscribers.");
3300 return (ERROR + NO_SUCH_USER);
3302 end_critical_section(S_NETCONFIGS);
3303 found = is_recipient (sc, RemoteIdentifier);
3304 free_spoolcontrol_struct(&sc);
3309 snprintf(errmsgbuf, n,
3310 "This mailing list only accepts posts from subscribers.");
3311 return (ERROR + NO_SUCH_USER);
3318 if ((CC->user.axlevel < 2)
3319 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3320 snprintf(errmsgbuf, n, "Need to be validated to enter "
3321 "(except in %s> to sysop)", MAILROOM);
3322 return (ERROR + HIGHER_ACCESS_REQUIRED);
3325 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3326 if (!(ra & UA_POSTALLOWED)) {
3327 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3328 return (ERROR + HIGHER_ACCESS_REQUIRED);
3331 strcpy(errmsgbuf, "Ok");
3337 * Check to see if the specified user has Internet mail permission
3338 * (returns nonzero if permission is granted)
3340 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3342 /* Do not allow twits to send Internet mail */
3343 if (who->axlevel <= 2) return(0);
3345 /* Globally enabled? */
3346 if (config.c_restrict == 0) return(1);
3348 /* User flagged ok? */
3349 if (who->flags & US_INTERNET) return(2);
3351 /* Aide level access? */
3352 if (who->axlevel >= 6) return(3);
3354 /* No mail for you! */
3360 * Validate recipients, count delivery types and errors, and handle aliasing
3361 * FIXME check for dupes!!!!!
3363 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3364 * were specified, or the number of addresses found invalid.
3366 * Caller needs to free the result using free_recipients()
3368 struct recptypes *validate_recipients(char *supplied_recipients,
3369 const char *RemoteIdentifier,
3371 struct recptypes *ret;
3372 char *recipients = NULL;
3373 char this_recp[256];
3374 char this_recp_cooked[256];
3380 struct ctdluser tempUS;
3381 struct ctdlroom tempQR;
3382 struct ctdlroom tempQR2;
3388 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3389 if (ret == NULL) return(NULL);
3391 /* Set all strings to null and numeric values to zero */
3392 memset(ret, 0, sizeof(struct recptypes));
3394 if (supplied_recipients == NULL) {
3395 recipients = strdup("");
3398 recipients = strdup(supplied_recipients);
3401 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3402 * actually need, but it's healthier for the heap than doing lots of tiny
3403 * realloc() calls instead.
3406 ret->errormsg = malloc(strlen(recipients) + 1024);
3407 ret->recp_local = malloc(strlen(recipients) + 1024);
3408 ret->recp_internet = malloc(strlen(recipients) + 1024);
3409 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3410 ret->recp_room = malloc(strlen(recipients) + 1024);
3411 ret->display_recp = malloc(strlen(recipients) + 1024);
3413 ret->errormsg[0] = 0;
3414 ret->recp_local[0] = 0;
3415 ret->recp_internet[0] = 0;
3416 ret->recp_ignet[0] = 0;
3417 ret->recp_room[0] = 0;
3418 ret->display_recp[0] = 0;
3420 ret->recptypes_magic = RECPTYPES_MAGIC;
3422 /* Change all valid separator characters to commas */
3423 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3424 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3425 recipients[i] = ',';
3429 /* Now start extracting recipients... */
3431 while (!IsEmptyStr(recipients)) {
3433 for (i=0; i<=strlen(recipients); ++i) {
3434 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3435 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3436 safestrncpy(this_recp, recipients, i+1);
3438 if (recipients[i] == ',') {
3439 strcpy(recipients, &recipients[i+1]);
3442 strcpy(recipients, "");
3449 if (IsEmptyStr(this_recp))
3451 CtdlLogPrintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3453 mailtype = alias(this_recp);
3454 mailtype = alias(this_recp);
3455 mailtype = alias(this_recp);
3457 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3458 if (this_recp[j]=='_') {
3459 this_recp_cooked[j] = ' ';
3462 this_recp_cooked[j] = this_recp[j];
3465 this_recp_cooked[j] = '\0';
3470 if (!strcasecmp(this_recp, "sysop")) {
3472 strcpy(this_recp, config.c_aideroom);
3473 if (!IsEmptyStr(ret->recp_room)) {
3474 strcat(ret->recp_room, "|");
3476 strcat(ret->recp_room, this_recp);
3478 else if ( (!strncasecmp(this_recp, "room_", 5))
3479 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
3481 /* Save room so we can restore it later */
3485 /* Check permissions to send mail to this room */
3486 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg,
3498 if (!IsEmptyStr(ret->recp_room)) {
3499 strcat(ret->recp_room, "|");
3501 strcat(ret->recp_room, &this_recp_cooked[5]);
3504 /* Restore room in case something needs it */
3508 else if (getuser(&tempUS, this_recp) == 0) {
3510 strcpy(this_recp, tempUS.fullname);
3511 if (!IsEmptyStr(ret->recp_local)) {
3512 strcat(ret->recp_local, "|");
3514 strcat(ret->recp_local, this_recp);
3516 else if (getuser(&tempUS, this_recp_cooked) == 0) {
3518 strcpy(this_recp, tempUS.fullname);
3519 if (!IsEmptyStr(ret->recp_local)) {
3520 strcat(ret->recp_local, "|");
3522 strcat(ret->recp_local, this_recp);
3530 /* Yes, you're reading this correctly: if the target
3531 * domain points back to the local system or an attached
3532 * Citadel directory, the address is invalid. That's
3533 * because if the address were valid, we would have
3534 * already translated it to a local address by now.
3536 if (IsDirectory(this_recp, 0)) {
3541 ++ret->num_internet;
3542 if (!IsEmptyStr(ret->recp_internet)) {
3543 strcat(ret->recp_internet, "|");
3545 strcat(ret->recp_internet, this_recp);
3550 if (!IsEmptyStr(ret->recp_ignet)) {
3551 strcat(ret->recp_ignet, "|");
3553 strcat(ret->recp_ignet, this_recp);
3561 if (IsEmptyStr(errmsg)) {
3562 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3565 snprintf(append, sizeof append, "%s", errmsg);
3567 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3568 if (!IsEmptyStr(ret->errormsg)) {
3569 strcat(ret->errormsg, "; ");
3571 strcat(ret->errormsg, append);
3575 if (IsEmptyStr(ret->display_recp)) {
3576 strcpy(append, this_recp);
3579 snprintf(append, sizeof append, ", %s", this_recp);
3581 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3582 strcat(ret->display_recp, append);
3587 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3588 ret->num_room + ret->num_error) == 0) {
3589 ret->num_error = (-1);
3590 strcpy(ret->errormsg, "No recipients specified.");
3593 CtdlLogPrintf(CTDL_DEBUG, "validate_recipients()\n");
3594 CtdlLogPrintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3595 CtdlLogPrintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3596 CtdlLogPrintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3597 CtdlLogPrintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3598 CtdlLogPrintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3606 * Destructor for struct recptypes
3608 void free_recipients(struct recptypes *valid) {
3610 if (valid == NULL) {
3614 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
3615 CtdlLogPrintf(CTDL_EMERG, "Attempt to call free_recipients() on some other data type!\n");
3619 if (valid->errormsg != NULL) free(valid->errormsg);
3620 if (valid->recp_local != NULL) free(valid->recp_local);
3621 if (valid->recp_internet != NULL) free(valid->recp_internet);
3622 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
3623 if (valid->recp_room != NULL) free(valid->recp_room);
3624 if (valid->display_recp != NULL) free(valid->display_recp);
3631 * message entry - mode 0 (normal)
3633 void cmd_ent0(char *entargs)
3639 char supplied_euid[128];
3641 int format_type = 0;
3642 char newusername[256];
3643 char newuseremail[256];
3644 struct CtdlMessage *msg;
3648 struct recptypes *valid = NULL;
3649 struct recptypes *valid_to = NULL;
3650 struct recptypes *valid_cc = NULL;
3651 struct recptypes *valid_bcc = NULL;
3653 int subject_required = 0;
3658 int newuseremail_ok = 0;
3659 char references[SIZ];
3664 post = extract_int(entargs, 0);
3665 extract_token(recp, entargs, 1, '|', sizeof recp);
3666 anon_flag = extract_int(entargs, 2);
3667 format_type = extract_int(entargs, 3);
3668 extract_token(subject, entargs, 4, '|', sizeof subject);
3669 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3670 do_confirm = extract_int(entargs, 6);
3671 extract_token(cc, entargs, 7, '|', sizeof cc);
3672 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3673 switch(CC->room.QRdefaultview) {
3676 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3679 supplied_euid[0] = 0;
3682 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
3683 extract_token(references, entargs, 11, '|', sizeof references);
3684 for (ptr=references; *ptr != 0; ++ptr) {
3685 if (*ptr == '!') *ptr = '|';
3688 /* first check to make sure the request is valid. */
3690 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg, NULL, POST_LOGGED_IN);
3693 cprintf("%d %s\n", err, errmsg);
3697 /* Check some other permission type things. */
3699 if (IsEmptyStr(newusername)) {
3700 strcpy(newusername, CC->user.fullname);
3702 if ( (CC->user.axlevel < 6)
3703 && (strcasecmp(newusername, CC->user.fullname))
3704 && (strcasecmp(newusername, CC->cs_inet_fn))
3706 cprintf("%d You don't have permission to author messages as '%s'.\n",
3707 ERROR + HIGHER_ACCESS_REQUIRED,
3714 if (IsEmptyStr(newuseremail)) {
3715 newuseremail_ok = 1;
3718 if (!IsEmptyStr(newuseremail)) {
3719 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
3720 newuseremail_ok = 1;
3722 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
3723 j = num_tokens(CC->cs_inet_other_emails, '|');
3724 for (i=0; i<j; ++i) {
3725 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
3726 if (!strcasecmp(newuseremail, buf)) {
3727 newuseremail_ok = 1;
3733 if (!newuseremail_ok) {
3734 cprintf("%d You don't have permission to author messages as '%s'.\n",
3735 ERROR + HIGHER_ACCESS_REQUIRED,
3741 CC->cs_flags |= CS_POSTING;
3743 /* In mailbox rooms we have to behave a little differently --
3744 * make sure the user has specified at least one recipient. Then
3745 * validate the recipient(s). We do this for the Mail> room, as
3746 * well as any room which has the "Mailbox" view set.
3749 if ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
3750 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
3752 if (CC->user.axlevel < 2) {
3753 strcpy(recp, "sysop");
3758 valid_to = validate_recipients(recp, NULL, 0);
3759 if (valid_to->num_error > 0) {
3760 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
3761 free_recipients(valid_to);
3765 valid_cc = validate_recipients(cc, NULL, 0);
3766 if (valid_cc->num_error > 0) {
3767 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
3768 free_recipients(valid_to);
3769 free_recipients(valid_cc);
3773 valid_bcc = validate_recipients(bcc, NULL, 0);
3774 if (valid_bcc->num_error > 0) {
3775 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
3776 free_recipients(valid_to);
3777 free_recipients(valid_cc);
3778 free_recipients(valid_bcc);
3782 /* Recipient required, but none were specified */
3783 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
3784 free_recipients(valid_to);
3785 free_recipients(valid_cc);
3786 free_recipients(valid_bcc);
3787 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
3791 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
3792 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
3793 cprintf("%d You do not have permission "
3794 "to send Internet mail.\n",
3795 ERROR + HIGHER_ACCESS_REQUIRED);
3796 free_recipients(valid_to);
3797 free_recipients(valid_cc);
3798 free_recipients(valid_bcc);
3803 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)
3804 && (CC->user.axlevel < 4) ) {
3805 cprintf("%d Higher access required for network mail.\n",
3806 ERROR + HIGHER_ACCESS_REQUIRED);
3807 free_recipients(valid_to);
3808 free_recipients(valid_cc);
3809 free_recipients(valid_bcc);
3813 if ((RESTRICT_INTERNET == 1)
3814 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
3815 && ((CC->user.flags & US_INTERNET) == 0)
3816 && (!CC->internal_pgm)) {
3817 cprintf("%d You don't have access to Internet mail.\n",
3818 ERROR + HIGHER_ACCESS_REQUIRED);
3819 free_recipients(valid_to);
3820 free_recipients(valid_cc);
3821 free_recipients(valid_bcc);
3827 /* Is this a room which has anonymous-only or anonymous-option? */
3828 anonymous = MES_NORMAL;
3829 if (CC->room.QRflags & QR_ANONONLY) {
3830 anonymous = MES_ANONONLY;
3832 if (CC->room.QRflags & QR_ANONOPT) {
3833 if (anon_flag == 1) { /* only if the user requested it */
3834 anonymous = MES_ANONOPT;
3838 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
3842 /* Recommend to the client that the use of a message subject is
3843 * strongly recommended in this room, if either the SUBJECTREQ flag
3844 * is set, or if there is one or more Internet email recipients.
3846 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
3847 if (valid_to) if (valid_to->num_internet > 0) subject_required = 1;
3848 if (valid_cc) if (valid_cc->num_internet > 0) subject_required = 1;
3849 if (valid_bcc) if (valid_bcc->num_internet > 0) subject_required = 1;
3851 /* If we're only checking the validity of the request, return
3852 * success without creating the message.
3855 cprintf("%d %s|%d\n", CIT_OK,
3856 ((valid_to != NULL) ? valid_to->display_recp : ""),
3858 free_recipients(valid_to);
3859 free_recipients(valid_cc);
3860 free_recipients(valid_bcc);
3864 /* We don't need these anymore because we'll do it differently below */
3865 free_recipients(valid_to);
3866 free_recipients(valid_cc);
3867 free_recipients(valid_bcc);
3869 /* Read in the message from the client. */
3871 cprintf("%d send message\n", START_CHAT_MODE);
3873 cprintf("%d send message\n", SEND_LISTING);
3876 msg = CtdlMakeMessage(&CC->user, recp, cc,
3877 CC->room.QRname, anonymous, format_type,
3878 newusername, newuseremail, subject,
3879 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
3882 /* Put together one big recipients struct containing to/cc/bcc all in
3883 * one. This is for the envelope.
3885 char *all_recps = malloc(SIZ * 3);
3886 strcpy(all_recps, recp);
3887 if (!IsEmptyStr(cc)) {
3888 if (!IsEmptyStr(all_recps)) {
3889 strcat(all_recps, ",");
3891 strcat(all_recps, cc);
3893 if (!IsEmptyStr(bcc)) {
3894 if (!IsEmptyStr(all_recps)) {
3895 strcat(all_recps, ",");
3897 strcat(all_recps, bcc);
3899 if (!IsEmptyStr(all_recps)) {
3900 valid = validate_recipients(all_recps, NULL, 0);
3908 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
3911 cprintf("%ld\n", msgnum);
3913 cprintf("Message accepted.\n");
3916 cprintf("Internal error.\n");
3918 if (msg->cm_fields['E'] != NULL) {
3919 cprintf("%s\n", msg->cm_fields['E']);
3926 CtdlFreeMessage(msg);
3928 if (valid != NULL) {
3929 free_recipients(valid);
3937 * API function to delete messages which match a set of criteria
3938 * (returns the actual number of messages deleted)
3940 int CtdlDeleteMessages(char *room_name, /* which room */
3941 long *dmsgnums, /* array of msg numbers to be deleted */
3942 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
3943 char *content_type /* or "" for any. regular expressions expected. */
3946 struct ctdlroom qrbuf;
3947 struct cdbdata *cdbfr;
3948 long *msglist = NULL;
3949 long *dellist = NULL;
3952 int num_deleted = 0;
3954 struct MetaData smi;
3957 int need_to_free_re = 0;
3959 if (content_type) if (!IsEmptyStr(content_type)) {
3960 regcomp(&re, content_type, 0);
3961 need_to_free_re = 1;
3963 CtdlLogPrintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
3964 room_name, num_dmsgnums, content_type);
3966 /* get room record, obtaining a lock... */
3967 if (lgetroom(&qrbuf, room_name) != 0) {
3968 CtdlLogPrintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
3970 if (need_to_free_re) regfree(&re);
3971 return (0); /* room not found */
3973 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
3975 if (cdbfr != NULL) {
3976 dellist = malloc(cdbfr->len);
3977 msglist = (long *) cdbfr->ptr;
3978 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
3979 num_msgs = cdbfr->len / sizeof(long);
3983 for (i = 0; i < num_msgs; ++i) {
3986 /* Set/clear a bit for each criterion */
3988 /* 0 messages in the list or a null list means that we are
3989 * interested in deleting any messages which meet the other criteria.
3991 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
3992 delete_this |= 0x01;
3995 for (j=0; j<num_dmsgnums; ++j) {
3996 if (msglist[i] == dmsgnums[j]) {
3997 delete_this |= 0x01;
4002 if (IsEmptyStr(content_type)) {
4003 delete_this |= 0x02;
4005 GetMetaData(&smi, msglist[i]);
4006 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4007 delete_this |= 0x02;
4011 /* Delete message only if all bits are set */
4012 if (delete_this == 0x03) {
4013 dellist[num_deleted++] = msglist[i];
4018 num_msgs = sort_msglist(msglist, num_msgs);
4019 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4020 msglist, (int)(num_msgs * sizeof(long)));
4022 qrbuf.QRhighest = msglist[num_msgs - 1];
4026 /* Go through the messages we pulled out of the index, and decrement
4027 * their reference counts by 1. If this is the only room the message
4028 * was in, the reference count will reach zero and the message will
4029 * automatically be deleted from the database. We do this in a
4030 * separate pass because there might be plug-in hooks getting called,
4031 * and we don't want that happening during an S_ROOMS critical
4034 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4035 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4036 AdjRefCount(dellist[i], -1);
4039 /* Now free the memory we used, and go away. */
4040 if (msglist != NULL) free(msglist);
4041 if (dellist != NULL) free(dellist);
4042 CtdlLogPrintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
4043 if (need_to_free_re) regfree(&re);
4044 return (num_deleted);
4050 * Check whether the current user has permission to delete messages from
4051 * the current room (returns 1 for yes, 0 for no)
4053 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4055 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4056 if (ra & UA_DELETEALLOWED) return(1);
4064 * Delete message from current room
4066 void cmd_dele(char *args)
4075 extract_token(msgset, args, 0, '|', sizeof msgset);
4076 num_msgs = num_tokens(msgset, ',');
4078 cprintf("%d Nothing to do.\n", CIT_OK);
4082 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4083 cprintf("%d Higher access required.\n",
4084 ERROR + HIGHER_ACCESS_REQUIRED);
4089 * Build our message set to be moved/copied
4091 msgs = malloc(num_msgs * sizeof(long));
4092 for (i=0; i<num_msgs; ++i) {
4093 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4094 msgs[i] = atol(msgtok);
4097 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4101 cprintf("%d %d message%s deleted.\n", CIT_OK,
4102 num_deleted, ((num_deleted != 1) ? "s" : ""));
4104 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4110 * Back end API function for moves and deletes (multiple messages)
4112 int CtdlCopyMsgsToRoom(long *msgnums, int num_msgs, char *dest) {
4115 err = CtdlSaveMsgPointersInRoom(dest, msgnums, num_msgs, 1, NULL);
4116 if (err != 0) return(err);
4125 * move or copy a message to another room
4127 void cmd_move(char *args)
4134 char targ[ROOMNAMELEN];
4135 struct ctdlroom qtemp;
4142 extract_token(msgset, args, 0, '|', sizeof msgset);
4143 num_msgs = num_tokens(msgset, ',');
4145 cprintf("%d Nothing to do.\n", CIT_OK);
4149 extract_token(targ, args, 1, '|', sizeof targ);
4150 convert_room_name_macros(targ, sizeof targ);
4151 targ[ROOMNAMELEN - 1] = 0;
4152 is_copy = extract_int(args, 2);
4154 if (getroom(&qtemp, targ) != 0) {
4155 cprintf("%d '%s' does not exist.\n",
4156 ERROR + ROOM_NOT_FOUND, targ);
4160 getuser(&CC->user, CC->curr_user);
4161 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4163 /* Check for permission to perform this operation.
4164 * Remember: "CC->room" is source, "qtemp" is target.
4168 /* Aides can move/copy */
4169 if (CC->user.axlevel >= 6) permit = 1;
4171 /* Room aides can move/copy */
4172 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4174 /* Permit move/copy from personal rooms */
4175 if ((CC->room.QRflags & QR_MAILBOX)
4176 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4178 /* Permit only copy from public to personal room */
4180 && (!(CC->room.QRflags & QR_MAILBOX))
4181 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4183 /* Permit message removal from collaborative delete rooms */
4184 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4186 /* Users allowed to post into the target room may move into it too. */
4187 if ((CC->room.QRflags & QR_MAILBOX) &&
4188 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4190 /* User must have access to target room */
4191 if (!(ra & UA_KNOWN)) permit = 0;
4194 cprintf("%d Higher access required.\n",
4195 ERROR + HIGHER_ACCESS_REQUIRED);
4200 * Build our message set to be moved/copied
4202 msgs = malloc(num_msgs * sizeof(long));
4203 for (i=0; i<num_msgs; ++i) {
4204 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4205 msgs[i] = atol(msgtok);
4211 err = CtdlCopyMsgsToRoom(msgs, num_msgs, targ);
4213 cprintf("%d Cannot store message(s) in %s: error %d\n",
4219 /* Now delete the message from the source room,
4220 * if this is a 'move' rather than a 'copy' operation.
4223 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4227 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4233 * GetMetaData() - Get the supplementary record for a message
4235 void GetMetaData(struct MetaData *smibuf, long msgnum)
4238 struct cdbdata *cdbsmi;
4241 memset(smibuf, 0, sizeof(struct MetaData));
4242 smibuf->meta_msgnum = msgnum;
4243 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4245 /* Use the negative of the message number for its supp record index */
4246 TheIndex = (0L - msgnum);
4248 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4249 if (cdbsmi == NULL) {
4250 return; /* record not found; go with defaults */
4252 memcpy(smibuf, cdbsmi->ptr,
4253 ((cdbsmi->len > sizeof(struct MetaData)) ?
4254 sizeof(struct MetaData) : cdbsmi->len));
4261 * PutMetaData() - (re)write supplementary record for a message
4263 void PutMetaData(struct MetaData *smibuf)
4267 /* Use the negative of the message number for the metadata db index */
4268 TheIndex = (0L - smibuf->meta_msgnum);
4270 cdb_store(CDB_MSGMAIN,
4271 &TheIndex, (int)sizeof(long),
4272 smibuf, (int)sizeof(struct MetaData));
4277 * AdjRefCount - submit an adjustment to the reference count for a message.
4278 * (These are just queued -- we actually process them later.)
4280 void AdjRefCount(long msgnum, int incr)
4282 struct arcq new_arcq;
4284 begin_critical_section(S_SUPPMSGMAIN);
4285 if (arcfp == NULL) {
4286 arcfp = fopen(file_arcq, "ab+");
4288 end_critical_section(S_SUPPMSGMAIN);
4290 /* msgnum < 0 means that we're trying to close the file */
4292 CtdlLogPrintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
4293 begin_critical_section(S_SUPPMSGMAIN);
4294 if (arcfp != NULL) {
4298 end_critical_section(S_SUPPMSGMAIN);
4303 * If we can't open the queue, perform the operation synchronously.
4305 if (arcfp == NULL) {
4306 TDAP_AdjRefCount(msgnum, incr);
4310 new_arcq.arcq_msgnum = msgnum;
4311 new_arcq.arcq_delta = incr;
4312 fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4320 * TDAP_ProcessAdjRefCountQueue()
4322 * Process the queue of message count adjustments that was created by calls
4323 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4324 * for each one. This should be an "off hours" operation.
4326 int TDAP_ProcessAdjRefCountQueue(void)
4328 char file_arcq_temp[PATH_MAX];
4331 struct arcq arcq_rec;
4332 int num_records_processed = 0;
4334 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s2", file_arcq);
4336 begin_critical_section(S_SUPPMSGMAIN);
4337 if (arcfp != NULL) {
4342 r = link(file_arcq, file_arcq_temp);
4344 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4345 end_critical_section(S_SUPPMSGMAIN);
4346 return(num_records_processed);
4350 end_critical_section(S_SUPPMSGMAIN);
4352 fp = fopen(file_arcq_temp, "rb");
4354 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4355 return(num_records_processed);
4358 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4359 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4360 ++num_records_processed;
4364 r = unlink(file_arcq_temp);
4366 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4369 return(num_records_processed);
4375 * TDAP_AdjRefCount - adjust the reference count for a message.
4376 * This one does it "for real" because it's called by
4377 * the autopurger function that processes the queue
4378 * created by AdjRefCount(). If a message's reference
4379 * count becomes zero, we also delete the message from
4380 * disk and de-index it.
4382 void TDAP_AdjRefCount(long msgnum, int incr)
4385 struct MetaData smi;
4388 /* This is a *tight* critical section; please keep it that way, as
4389 * it may get called while nested in other critical sections.
4390 * Complicating this any further will surely cause deadlock!
4392 begin_critical_section(S_SUPPMSGMAIN);
4393 GetMetaData(&smi, msgnum);
4394 smi.meta_refcount += incr;
4396 end_critical_section(S_SUPPMSGMAIN);
4397 CtdlLogPrintf(CTDL_DEBUG, "msg %ld ref count delta %d, is now %d\n",
4398 msgnum, incr, smi.meta_refcount);
4400 /* If the reference count is now zero, delete the message
4401 * (and its supplementary record as well).
4403 if (smi.meta_refcount == 0) {
4404 CtdlLogPrintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
4406 /* Call delete hooks with NULL room to show it has gone altogether */
4407 PerformDeleteHooks(NULL, msgnum);
4409 /* Remove from message base */
4411 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4412 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4414 /* Remove metadata record */
4415 delnum = (0L - msgnum);
4416 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4422 * Write a generic object to this room
4424 * Note: this could be much more efficient. Right now we use two temporary
4425 * files, and still pull the message into memory as with all others.
4427 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4428 char *content_type, /* MIME type of this object */
4429 char *raw_message, /* Data to be written */
4430 off_t raw_length, /* Size of raw_message */
4431 struct ctdluser *is_mailbox, /* Mailbox room? */
4432 int is_binary, /* Is encoding necessary? */
4433 int is_unique, /* Del others of this type? */
4434 unsigned int flags /* Internal save flags */
4438 struct ctdlroom qrbuf;
4439 char roomname[ROOMNAMELEN];
4440 struct CtdlMessage *msg;
4441 char *encoded_message = NULL;
4443 if (is_mailbox != NULL) {
4444 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4447 safestrncpy(roomname, req_room, sizeof(roomname));
4450 CtdlLogPrintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4453 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4456 encoded_message = malloc((size_t)(raw_length + 4096));
4459 sprintf(encoded_message, "Content-type: %s\n", content_type);
4462 sprintf(&encoded_message[strlen(encoded_message)],
4463 "Content-transfer-encoding: base64\n\n"
4467 sprintf(&encoded_message[strlen(encoded_message)],
4468 "Content-transfer-encoding: 7bit\n\n"
4474 &encoded_message[strlen(encoded_message)],
4482 &encoded_message[strlen(encoded_message)],
4488 CtdlLogPrintf(CTDL_DEBUG, "Allocating\n");
4489 msg = malloc(sizeof(struct CtdlMessage));
4490 memset(msg, 0, sizeof(struct CtdlMessage));
4491 msg->cm_magic = CTDLMESSAGE_MAGIC;
4492 msg->cm_anon_type = MES_NORMAL;
4493 msg->cm_format_type = 4;
4494 msg->cm_fields['A'] = strdup(CC->user.fullname);
4495 msg->cm_fields['O'] = strdup(req_room);
4496 msg->cm_fields['N'] = strdup(config.c_nodename);
4497 msg->cm_fields['H'] = strdup(config.c_humannode);
4498 msg->cm_flags = flags;
4500 msg->cm_fields['M'] = encoded_message;
4502 /* Create the requested room if we have to. */
4503 if (getroom(&qrbuf, roomname) != 0) {
4504 create_room(roomname,
4505 ( (is_mailbox != NULL) ? 5 : 3 ),
4506 "", 0, 1, 0, VIEW_BBS);
4508 /* If the caller specified this object as unique, delete all
4509 * other objects of this type that are currently in the room.
4512 CtdlLogPrintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4513 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4516 /* Now write the data */
4517 CtdlSubmitMsg(msg, NULL, roomname, 0);
4518 CtdlFreeMessage(msg);
4526 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4527 config_msgnum = msgnum;
4531 char *CtdlGetSysConfig(char *sysconfname) {
4532 char hold_rm[ROOMNAMELEN];
4535 struct CtdlMessage *msg;
4538 strcpy(hold_rm, CC->room.QRname);
4539 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
4540 getroom(&CC->room, hold_rm);
4545 /* We want the last (and probably only) config in this room */
4546 begin_critical_section(S_CONFIG);
4547 config_msgnum = (-1L);
4548 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4549 CtdlGetSysConfigBackend, NULL);
4550 msgnum = config_msgnum;
4551 end_critical_section(S_CONFIG);
4557 msg = CtdlFetchMessage(msgnum, 1);
4559 conf = strdup(msg->cm_fields['M']);
4560 CtdlFreeMessage(msg);
4567 getroom(&CC->room, hold_rm);
4569 if (conf != NULL) do {
4570 extract_token(buf, conf, 0, '\n', sizeof buf);
4571 strcpy(conf, &conf[strlen(buf)+1]);
4572 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
4578 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4579 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
4584 * Determine whether a given Internet address belongs to the current user
4586 int CtdlIsMe(char *addr, int addr_buf_len)
4588 struct recptypes *recp;
4591 recp = validate_recipients(addr, NULL, 0);
4592 if (recp == NULL) return(0);
4594 if (recp->num_local == 0) {
4595 free_recipients(recp);
4599 for (i=0; i<recp->num_local; ++i) {
4600 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4601 if (!strcasecmp(addr, CC->user.fullname)) {
4602 free_recipients(recp);
4607 free_recipients(recp);
4613 * Citadel protocol command to do the same
4615 void cmd_isme(char *argbuf) {
4618 if (CtdlAccessCheck(ac_logged_in)) return;
4619 extract_token(addr, argbuf, 0, '|', sizeof addr);
4621 if (CtdlIsMe(addr, sizeof addr)) {
4622 cprintf("%d %s\n", CIT_OK, addr);
4625 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);