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);
1454 char *qp_encode_email_addrs(char *source)
1456 char user[256], node[256], name[256];
1457 const char headerStr[] = "=?UTF-8?Q?";
1461 int need_to_encode = 0;
1467 long nAddrPtrMax = 50;
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;
1488 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1489 memset(ptr + sizeof (long) * nAddrPtrMax, 0, sizeof (long) * nAddrPtrMax - 1);
1490 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1491 free (AddrUtf8), AddrUtf8 = ptr;
1494 if (((unsigned char) source[i] < 32) ||
1495 ((unsigned char) source[i] > 126)) {
1497 AddrUtf8[nColons] = 1;
1499 if (source[i] == '"')
1500 InQuotes = !InQuotes;
1501 if (!InQuotes && source[i] == ',') {
1503 AddrPtr[nColons] = i;
1507 if (need_to_encode == 0) {
1514 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1515 Encoded = (char*) malloc (EncodedMaxLen);
1517 for (i = 1; i <= nColons; i++)
1518 source[AddrPtr[i]++] = '\0';
1522 for (i = 0; i <= nColons && nPtr != NULL; i++) {
1523 nmax = EncodedMaxLen - (nPtr - Encoded);
1525 process_rfc822_addr(&source[AddrPtr[i]],
1529 /* TODO: libIDN here ! */
1530 if (IsEmptyStr(name)) {
1531 n = snprintf(nPtr, nmax,
1532 (i==0)?"%s@%s" : ",%s@%s",
1536 EncodedName = rfc2047encode(name, strlen(name));
1537 n = snprintf(nPtr, nmax,
1538 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1539 EncodedName, user, node);
1544 n = snprintf(nPtr, nmax,
1545 (i==0)?"%s" : ",%s",
1546 &source[AddrPtr[i]]);
1552 ptr = (char*) malloc(EncodedMaxLen * 2);
1553 memcpy(ptr, Encoded, EncodedMaxLen);
1554 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1555 free(Encoded), Encoded = ptr;
1557 i--; /* do it once more with properly lengthened buffer */
1560 for (i = 1; i <= nColons; i++)
1561 source[--AddrPtr[i]] = ',';
1568 * Get a message off disk. (returns om_* values found in msgbase.h)
1570 int CtdlOutputPreLoadedMsg(
1571 struct CtdlMessage *TheMessage,
1572 int mode, /* how would you like that message? */
1573 int headers_only, /* eschew the message body? */
1574 int do_proto, /* do Citadel protocol responses? */
1575 int crlf, /* Use CRLF newlines instead of LF? */
1576 int flags /* should the bessage be exported clean? */
1582 char display_name[256];
1584 char *nl; /* newline string */
1586 int subject_found = 0;
1589 /* Buffers needed for RFC822 translation. These are all filled
1590 * using functions that are bounds-checked, and therefore we can
1591 * make them substantially smaller than SIZ.
1599 char datestamp[100];
1601 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
1602 ((TheMessage == NULL) ? "NULL" : "not null"),
1603 mode, headers_only, do_proto, crlf);
1605 strcpy(mid, "unknown");
1606 nl = (crlf ? "\r\n" : "\n");
1608 if (!is_valid_message(TheMessage)) {
1609 CtdlLogPrintf(CTDL_ERR,
1610 "ERROR: invalid preloaded message for output\n");
1611 return(om_no_such_msg);
1614 /* Are we downloading a MIME component? */
1615 if (mode == MT_DOWNLOAD) {
1616 if (TheMessage->cm_format_type != FMT_RFC822) {
1618 cprintf("%d This is not a MIME message.\n",
1619 ERROR + ILLEGAL_VALUE);
1620 } else if (CC->download_fp != NULL) {
1621 if (do_proto) cprintf(
1622 "%d You already have a download open.\n",
1623 ERROR + RESOURCE_BUSY);
1625 /* Parse the message text component */
1626 mptr = TheMessage->cm_fields['M'];
1627 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
1628 /* If there's no file open by this time, the requested
1629 * section wasn't found, so print an error
1631 if (CC->download_fp == NULL) {
1632 if (do_proto) cprintf(
1633 "%d Section %s not found.\n",
1634 ERROR + FILE_NOT_FOUND,
1635 CC->download_desired_section);
1638 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1641 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
1642 * in a single server operation instead of opening a download file.
1644 if (mode == MT_SPEW_SECTION) {
1645 if (TheMessage->cm_format_type != FMT_RFC822) {
1647 cprintf("%d This is not a MIME message.\n",
1648 ERROR + ILLEGAL_VALUE);
1650 /* Parse the message text component */
1653 mptr = TheMessage->cm_fields['M'];
1654 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
1655 /* If section wasn't found, print an error
1658 if (do_proto) cprintf(
1659 "%d Section %s not found.\n",
1660 ERROR + FILE_NOT_FOUND,
1661 CC->download_desired_section);
1664 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1667 /* now for the user-mode message reading loops */
1668 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
1670 /* Does the caller want to skip the headers? */
1671 if (headers_only == HEADERS_NONE) goto START_TEXT;
1673 /* Tell the client which format type we're using. */
1674 if ( (mode == MT_CITADEL) && (do_proto) ) {
1675 cprintf("type=%d\n", TheMessage->cm_format_type);
1678 /* nhdr=yes means that we're only displaying headers, no body */
1679 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1680 && (mode == MT_CITADEL)
1683 cprintf("nhdr=yes\n");
1686 /* begin header processing loop for Citadel message format */
1688 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1690 safestrncpy(display_name, "<unknown>", sizeof display_name);
1691 if (TheMessage->cm_fields['A']) {
1692 strcpy(buf, TheMessage->cm_fields['A']);
1693 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1694 safestrncpy(display_name, "****", sizeof display_name);
1696 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1697 safestrncpy(display_name, "anonymous", sizeof display_name);
1700 safestrncpy(display_name, buf, sizeof display_name);
1702 if ((is_room_aide())
1703 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1704 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1705 size_t tmp = strlen(display_name);
1706 snprintf(&display_name[tmp],
1707 sizeof display_name - tmp,
1712 /* Don't show Internet address for users on the
1713 * local Citadel network.
1716 if (TheMessage->cm_fields['N'] != NULL)
1717 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1718 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1722 /* Now spew the header fields in the order we like them. */
1723 safestrncpy(allkeys, FORDER, sizeof allkeys);
1724 for (i=0; i<strlen(allkeys); ++i) {
1725 k = (int) allkeys[i];
1727 if ( (TheMessage->cm_fields[k] != NULL)
1728 && (msgkeys[k] != NULL) ) {
1730 if (do_proto) cprintf("%s=%s\n",
1734 else if ((k == 'F') && (suppress_f)) {
1737 /* Masquerade display name if needed */
1739 if (do_proto) cprintf("%s=%s\n",
1741 TheMessage->cm_fields[k]
1750 /* begin header processing loop for RFC822 transfer format */
1755 strcpy(snode, NODENAME);
1756 strcpy(lnode, HUMANNODE);
1757 if (mode == MT_RFC822) {
1758 for (i = 0; i < 256; ++i) {
1759 if (TheMessage->cm_fields[i]) {
1760 mptr = mpptr = TheMessage->cm_fields[i];
1763 safestrncpy(luser, mptr, sizeof luser);
1764 safestrncpy(suser, mptr, sizeof suser);
1766 else if (i == 'Y') {
1767 if (flags & QP_EADDR != 0)
1768 mptr = qp_encode_email_addrs(mptr);
1769 cprintf("CC: %s%s", mptr, nl);
1771 else if (i == 'P') {
1772 cprintf("Return-Path: %s%s", mptr, nl);
1774 else if (i == 'V') {
1775 if (flags & QP_EADDR != 0)
1776 mptr = qp_encode_email_addrs(mptr);
1777 cprintf("Envelope-To: %s%s", mptr, nl);
1779 else if (i == 'U') {
1780 cprintf("Subject: %s%s", mptr, nl);
1784 safestrncpy(mid, mptr, sizeof mid);
1786 safestrncpy(lnode, mptr, sizeof lnode);
1788 safestrncpy(fuser, mptr, sizeof fuser);
1789 /* else if (i == 'O')
1790 cprintf("X-Citadel-Room: %s%s",
1793 safestrncpy(snode, mptr, sizeof snode);
1796 if (haschar(mptr, '@') == 0)
1798 cprintf("To: %s@%s%s", mptr, config.c_fqdn, nl);
1802 if (flags & QP_EADDR != 0)
1803 mptr = qp_encode_email_addrs(mptr);
1804 cprintf("To: %s%s", mptr, nl);
1807 else if (i == 'T') {
1808 datestring(datestamp, sizeof datestamp,
1809 atol(mptr), DATESTRING_RFC822);
1810 cprintf("Date: %s%s", datestamp, nl);
1812 else if (i == 'W') {
1813 cprintf("References: ");
1814 k = num_tokens(mptr, '|');
1815 for (j=0; j<k; ++j) {
1816 extract_token(buf, mptr, j, '|', sizeof buf);
1817 cprintf("<%s>", buf);
1830 if (subject_found == 0) {
1831 cprintf("Subject: (no subject)%s", nl);
1835 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
1836 suser[i] = tolower(suser[i]);
1837 if (!isalnum(suser[i])) suser[i]='_';
1840 if (mode == MT_RFC822) {
1841 if (!strcasecmp(snode, NODENAME)) {
1842 safestrncpy(snode, FQDN, sizeof snode);
1845 /* Construct a fun message id */
1846 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
1847 if (strchr(mid, '@')==NULL) {
1848 cprintf("@%s", snode);
1852 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
1853 cprintf("From: \"----\" <x@x.org>%s", nl);
1855 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
1856 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
1858 else if (!IsEmptyStr(fuser)) {
1859 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
1862 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
1865 cprintf("Organization: %s%s", lnode, nl);
1867 /* Blank line signifying RFC822 end-of-headers */
1868 if (TheMessage->cm_format_type != FMT_RFC822) {
1873 /* end header processing loop ... at this point, we're in the text */
1875 if (headers_only == HEADERS_FAST) goto DONE;
1876 mptr = TheMessage->cm_fields['M'];
1878 /* Tell the client about the MIME parts in this message */
1879 if (TheMessage->cm_format_type == FMT_RFC822) {
1880 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1881 memset(&ma, 0, sizeof(struct ma_info));
1882 mime_parser(mptr, NULL,
1883 (do_proto ? *list_this_part : NULL),
1884 (do_proto ? *list_this_pref : NULL),
1885 (do_proto ? *list_this_suff : NULL),
1888 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1889 char *start_of_text = NULL;
1890 start_of_text = strstr(mptr, "\n\r\n");
1891 if (start_of_text == NULL) start_of_text = strstr(mptr, "\n\n");
1892 if (start_of_text == NULL) start_of_text = mptr;
1894 start_of_text = strstr(start_of_text, "\n");
1899 int nllen = strlen(nl);
1900 while (ch=*mptr, ch!=0) {
1906 ((headers_only == HEADERS_NONE) && (mptr >= start_of_text))
1907 || ((headers_only == HEADERS_ONLY) && (mptr < start_of_text))
1908 || ((headers_only != HEADERS_NONE) && (headers_only != HEADERS_ONLY))
1911 sprintf(&outbuf[outlen], "%s", nl);
1915 outbuf[outlen++] = ch;
1920 if (outlen > 1000) {
1921 client_write(outbuf, outlen);
1926 client_write(outbuf, outlen);
1934 if (headers_only == HEADERS_ONLY) {
1938 /* signify start of msg text */
1939 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1940 if (do_proto) cprintf("text\n");
1943 /* If the format type on disk is 1 (fixed-format), then we want
1944 * everything to be output completely literally ... regardless of
1945 * what message transfer format is in use.
1947 if (TheMessage->cm_format_type == FMT_FIXED) {
1949 if (mode == MT_MIME) {
1950 cprintf("Content-type: text/plain\n\n");
1954 while (ch = *mptr++, ch > 0) {
1957 if ((ch == 10) || (buflen > 250)) {
1959 cprintf("%s%s", buf, nl);
1968 if (!IsEmptyStr(buf))
1969 cprintf("%s%s", buf, nl);
1972 /* If the message on disk is format 0 (Citadel vari-format), we
1973 * output using the formatter at 80 columns. This is the final output
1974 * form if the transfer format is RFC822, but if the transfer format
1975 * is Citadel proprietary, it'll still work, because the indentation
1976 * for new paragraphs is correct and the client will reformat the
1977 * message to the reader's screen width.
1979 if (TheMessage->cm_format_type == FMT_CITADEL) {
1980 if (mode == MT_MIME) {
1981 cprintf("Content-type: text/x-citadel-variformat\n\n");
1983 memfmout(mptr, 0, nl);
1986 /* If the message on disk is format 4 (MIME), we've gotta hand it
1987 * off to the MIME parser. The client has already been told that
1988 * this message is format 1 (fixed format), so the callback function
1989 * we use will display those parts as-is.
1991 if (TheMessage->cm_format_type == FMT_RFC822) {
1992 memset(&ma, 0, sizeof(struct ma_info));
1994 if (mode == MT_MIME) {
1995 ma.use_fo_hooks = 0;
1996 strcpy(ma.chosen_part, "1");
1997 ma.chosen_pref = 9999;
1998 mime_parser(mptr, NULL,
1999 *choose_preferred, *fixed_output_pre,
2000 *fixed_output_post, (void *)&ma, 0);
2001 mime_parser(mptr, NULL,
2002 *output_preferred, NULL, NULL, (void *)&ma, CC->msg4_dont_decode);
2005 ma.use_fo_hooks = 1;
2006 mime_parser(mptr, NULL,
2007 *fixed_output, *fixed_output_pre,
2008 *fixed_output_post, (void *)&ma, 0);
2013 DONE: /* now we're done */
2014 if (do_proto) cprintf("000\n");
2021 * display a message (mode 0 - Citadel proprietary)
2023 void cmd_msg0(char *cmdbuf)
2026 int headers_only = HEADERS_ALL;
2028 msgid = extract_long(cmdbuf, 0);
2029 headers_only = extract_int(cmdbuf, 1);
2031 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2037 * display a message (mode 2 - RFC822)
2039 void cmd_msg2(char *cmdbuf)
2042 int headers_only = HEADERS_ALL;
2044 msgid = extract_long(cmdbuf, 0);
2045 headers_only = extract_int(cmdbuf, 1);
2047 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2053 * display a message (mode 3 - IGnet raw format - internal programs only)
2055 void cmd_msg3(char *cmdbuf)
2058 struct CtdlMessage *msg = NULL;
2061 if (CC->internal_pgm == 0) {
2062 cprintf("%d This command is for internal programs only.\n",
2063 ERROR + HIGHER_ACCESS_REQUIRED);
2067 msgnum = extract_long(cmdbuf, 0);
2068 msg = CtdlFetchMessage(msgnum, 1);
2070 cprintf("%d Message %ld not found.\n",
2071 ERROR + MESSAGE_NOT_FOUND, msgnum);
2075 serialize_message(&smr, msg);
2076 CtdlFreeMessage(msg);
2079 cprintf("%d Unable to serialize message\n",
2080 ERROR + INTERNAL_ERROR);
2084 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2085 client_write((char *)smr.ser, (int)smr.len);
2092 * Display a message using MIME content types
2094 void cmd_msg4(char *cmdbuf)
2099 msgid = extract_long(cmdbuf, 0);
2100 extract_token(section, cmdbuf, 1, '|', sizeof section);
2101 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2107 * Client tells us its preferred message format(s)
2109 void cmd_msgp(char *cmdbuf)
2111 if (!strcasecmp(cmdbuf, "dont_decode")) {
2112 CC->msg4_dont_decode = 1;
2113 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2116 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2117 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2123 * Open a component of a MIME message as a download file
2125 void cmd_opna(char *cmdbuf)
2128 char desired_section[128];
2130 msgid = extract_long(cmdbuf, 0);
2131 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2132 safestrncpy(CC->download_desired_section, desired_section,
2133 sizeof CC->download_desired_section);
2134 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2139 * Open a component of a MIME message and transmit it all at once
2141 void cmd_dlat(char *cmdbuf)
2144 char desired_section[128];
2146 msgid = extract_long(cmdbuf, 0);
2147 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2148 safestrncpy(CC->download_desired_section, desired_section,
2149 sizeof CC->download_desired_section);
2150 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2155 * Save one or more message pointers into a specified room
2156 * (Returns 0 for success, nonzero for failure)
2157 * roomname may be NULL to use the current room
2159 * Note that the 'supplied_msg' field may be set to NULL, in which case
2160 * the message will be fetched from disk, by number, if we need to perform
2161 * replication checks. This adds an additional database read, so if the
2162 * caller already has the message in memory then it should be supplied. (Obviously
2163 * this mode of operation only works if we're saving a single message.)
2165 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2166 int do_repl_check, struct CtdlMessage *supplied_msg)
2169 char hold_rm[ROOMNAMELEN];
2170 struct cdbdata *cdbfr;
2173 long highest_msg = 0L;
2176 struct CtdlMessage *msg = NULL;
2178 long *msgs_to_be_merged = NULL;
2179 int num_msgs_to_be_merged = 0;
2181 CtdlLogPrintf(CTDL_DEBUG,
2182 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d)\n",
2183 roomname, num_newmsgs, do_repl_check);
2185 strcpy(hold_rm, CC->room.QRname);
2188 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2189 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2190 if (num_newmsgs > 1) supplied_msg = NULL;
2192 /* Now the regular stuff */
2193 if (lgetroom(&CC->room,
2194 ((roomname != NULL) ? roomname : CC->room.QRname) )
2196 CtdlLogPrintf(CTDL_ERR, "No such room <%s>\n", roomname);
2197 return(ERROR + ROOM_NOT_FOUND);
2201 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2202 num_msgs_to_be_merged = 0;
2205 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2206 if (cdbfr == NULL) {
2210 msglist = (long *) cdbfr->ptr;
2211 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2212 num_msgs = cdbfr->len / sizeof(long);
2217 /* Create a list of msgid's which were supplied by the caller, but do
2218 * not already exist in the target room. It is absolutely taboo to
2219 * have more than one reference to the same message in a room.
2221 for (i=0; i<num_newmsgs; ++i) {
2223 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2224 if (msglist[j] == newmsgidlist[i]) {
2229 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2233 CtdlLogPrintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2236 * Now merge the new messages
2238 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2239 if (msglist == NULL) {
2240 CtdlLogPrintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2242 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2243 num_msgs += num_msgs_to_be_merged;
2245 /* Sort the message list, so all the msgid's are in order */
2246 num_msgs = sort_msglist(msglist, num_msgs);
2248 /* Determine the highest message number */
2249 highest_msg = msglist[num_msgs - 1];
2251 /* Write it back to disk. */
2252 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2253 msglist, (int)(num_msgs * sizeof(long)));
2255 /* Free up the memory we used. */
2258 /* Update the highest-message pointer and unlock the room. */
2259 CC->room.QRhighest = highest_msg;
2260 lputroom(&CC->room);
2262 /* Perform replication checks if necessary */
2263 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2264 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2266 for (i=0; i<num_msgs_to_be_merged; ++i) {
2267 msgid = msgs_to_be_merged[i];
2269 if (supplied_msg != NULL) {
2273 msg = CtdlFetchMessage(msgid, 0);
2277 ReplicationChecks(msg);
2279 /* If the message has an Exclusive ID, index that... */
2280 if (msg->cm_fields['E'] != NULL) {
2281 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2284 /* Free up the memory we may have allocated */
2285 if (msg != supplied_msg) {
2286 CtdlFreeMessage(msg);
2294 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2297 /* Submit this room for processing by hooks */
2298 PerformRoomHooks(&CC->room);
2300 /* Go back to the room we were in before we wandered here... */
2301 getroom(&CC->room, hold_rm);
2303 /* Bump the reference count for all messages which were merged */
2304 for (i=0; i<num_msgs_to_be_merged; ++i) {
2305 AdjRefCount(msgs_to_be_merged[i], +1);
2308 /* Free up memory... */
2309 if (msgs_to_be_merged != NULL) {
2310 free(msgs_to_be_merged);
2313 /* Return success. */
2319 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2322 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2323 int do_repl_check, struct CtdlMessage *supplied_msg)
2325 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg);
2332 * Message base operation to save a new message to the message store
2333 * (returns new message number)
2335 * This is the back end for CtdlSubmitMsg() and should not be directly
2336 * called by server-side modules.
2339 long send_message(struct CtdlMessage *msg) {
2347 /* Get a new message number */
2348 newmsgid = get_new_message_number();
2349 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2351 /* Generate an ID if we don't have one already */
2352 if (msg->cm_fields['I']==NULL) {
2353 msg->cm_fields['I'] = strdup(msgidbuf);
2356 /* If the message is big, set its body aside for storage elsewhere */
2357 if (msg->cm_fields['M'] != NULL) {
2358 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2360 holdM = msg->cm_fields['M'];
2361 msg->cm_fields['M'] = NULL;
2365 /* Serialize our data structure for storage in the database */
2366 serialize_message(&smr, msg);
2369 msg->cm_fields['M'] = holdM;
2373 cprintf("%d Unable to serialize message\n",
2374 ERROR + INTERNAL_ERROR);
2378 /* Write our little bundle of joy into the message base */
2379 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2380 smr.ser, smr.len) < 0) {
2381 CtdlLogPrintf(CTDL_ERR, "Can't store message\n");
2385 cdb_store(CDB_BIGMSGS,
2395 /* Free the memory we used for the serialized message */
2398 /* Return the *local* message ID to the caller
2399 * (even if we're storing an incoming network message)
2407 * Serialize a struct CtdlMessage into the format used on disk and network.
2409 * This function loads up a "struct ser_ret" (defined in server.h) which
2410 * contains the length of the serialized message and a pointer to the
2411 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2413 void serialize_message(struct ser_ret *ret, /* return values */
2414 struct CtdlMessage *msg) /* unserialized msg */
2416 size_t wlen, fieldlen;
2418 static char *forder = FORDER;
2421 * Check for valid message format
2423 if (is_valid_message(msg) == 0) {
2424 CtdlLogPrintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2431 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2432 ret->len = ret->len +
2433 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2435 ret->ser = malloc(ret->len);
2436 if (ret->ser == NULL) {
2437 CtdlLogPrintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2438 (long)ret->len, strerror(errno));
2445 ret->ser[1] = msg->cm_anon_type;
2446 ret->ser[2] = msg->cm_format_type;
2449 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2450 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2451 ret->ser[wlen++] = (char)forder[i];
2452 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2453 wlen = wlen + fieldlen + 1;
2455 if (ret->len != wlen) CtdlLogPrintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2456 (long)ret->len, (long)wlen);
2463 * Serialize a struct CtdlMessage into the format used on disk and network.
2465 * This function loads up a "struct ser_ret" (defined in server.h) which
2466 * contains the length of the serialized message and a pointer to the
2467 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2469 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2470 long Siz) /* how many chars ? */
2474 static char *forder = FORDER;
2478 * Check for valid message format
2480 if (is_valid_message(msg) == 0) {
2481 CtdlLogPrintf(CTDL_ERR, "dump_message() aborting due to invalid message\n");
2485 buf = (char*) malloc (Siz + 1);
2489 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2490 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2491 msg->cm_fields[(int)forder[i]]);
2492 client_write (buf, strlen(buf));
2501 * Check to see if any messages already exist in the current room which
2502 * carry the same Exclusive ID as this one. If any are found, delete them.
2504 void ReplicationChecks(struct CtdlMessage *msg) {
2505 long old_msgnum = (-1L);
2507 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2509 CtdlLogPrintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2512 /* No exclusive id? Don't do anything. */
2513 if (msg == NULL) return;
2514 if (msg->cm_fields['E'] == NULL) return;
2515 if (IsEmptyStr(msg->cm_fields['E'])) return;
2516 /*CtdlLogPrintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2517 msg->cm_fields['E'], CC->room.QRname);*/
2519 old_msgnum = locate_message_by_euid(msg->cm_fields['E'], &CC->room);
2520 if (old_msgnum > 0L) {
2521 CtdlLogPrintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2522 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2529 * Save a message to disk and submit it into the delivery system.
2531 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2532 struct recptypes *recps, /* recipients (if mail) */
2533 char *force, /* force a particular room? */
2534 int flags /* should the bessage be exported clean? */
2536 char submit_filename[128];
2537 char generated_timestamp[32];
2538 char hold_rm[ROOMNAMELEN];
2539 char actual_rm[ROOMNAMELEN];
2540 char force_room[ROOMNAMELEN];
2541 char content_type[SIZ]; /* We have to learn this */
2542 char recipient[SIZ];
2545 struct ctdluser userbuf;
2547 struct MetaData smi;
2548 FILE *network_fp = NULL;
2549 static int seqnum = 1;
2550 struct CtdlMessage *imsg = NULL;
2552 size_t instr_alloc = 0;
2554 char *hold_R, *hold_D;
2555 char *collected_addresses = NULL;
2556 struct addresses_to_be_filed *aptr = NULL;
2557 char *saved_rfc822_version = NULL;
2558 int qualified_for_journaling = 0;
2559 struct CitContext *CCC = CC; /* CachedCitContext - performance boost */
2561 CtdlLogPrintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2562 if (is_valid_message(msg) == 0) return(-1); /* self check */
2564 /* If this message has no timestamp, we take the liberty of
2565 * giving it one, right now.
2567 if (msg->cm_fields['T'] == NULL) {
2568 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2569 msg->cm_fields['T'] = strdup(generated_timestamp);
2572 /* If this message has no path, we generate one.
2574 if (msg->cm_fields['P'] == NULL) {
2575 if (msg->cm_fields['A'] != NULL) {
2576 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2577 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2578 if (isspace(msg->cm_fields['P'][a])) {
2579 msg->cm_fields['P'][a] = ' ';
2584 msg->cm_fields['P'] = strdup("unknown");
2588 if (force == NULL) {
2589 strcpy(force_room, "");
2592 strcpy(force_room, force);
2595 /* Learn about what's inside, because it's what's inside that counts */
2596 if (msg->cm_fields['M'] == NULL) {
2597 CtdlLogPrintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2601 switch (msg->cm_format_type) {
2603 strcpy(content_type, "text/x-citadel-variformat");
2606 strcpy(content_type, "text/plain");
2609 strcpy(content_type, "text/plain");
2610 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
2613 safestrncpy(content_type, &mptr[13], sizeof content_type);
2614 striplt(content_type);
2615 aptr = content_type;
2616 while (!IsEmptyStr(aptr)) {
2628 /* Goto the correct room */
2629 CtdlLogPrintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
2630 strcpy(hold_rm, CCC->room.QRname);
2631 strcpy(actual_rm, CCC->room.QRname);
2632 if (recps != NULL) {
2633 strcpy(actual_rm, SENTITEMS);
2636 /* If the user is a twit, move to the twit room for posting */
2638 if (CCC->user.axlevel == 2) {
2639 strcpy(hold_rm, actual_rm);
2640 strcpy(actual_rm, config.c_twitroom);
2641 CtdlLogPrintf(CTDL_DEBUG, "Diverting to twit room\n");
2645 /* ...or if this message is destined for Aide> then go there. */
2646 if (!IsEmptyStr(force_room)) {
2647 strcpy(actual_rm, force_room);
2650 CtdlLogPrintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2651 if (strcasecmp(actual_rm, CCC->room.QRname)) {
2652 /* getroom(&CCC->room, actual_rm); */
2653 usergoto(actual_rm, 0, 1, NULL, NULL);
2657 * If this message has no O (room) field, generate one.
2659 if (msg->cm_fields['O'] == NULL) {
2660 msg->cm_fields['O'] = strdup(CCC->room.QRname);
2663 /* Perform "before save" hooks (aborting if any return nonzero) */
2664 CtdlLogPrintf(CTDL_DEBUG, "Performing before-save hooks\n");
2665 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2668 * If this message has an Exclusive ID, and the room is replication
2669 * checking enabled, then do replication checks.
2671 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
2672 ReplicationChecks(msg);
2675 /* Save it to disk */
2676 CtdlLogPrintf(CTDL_DEBUG, "Saving to disk\n");
2677 newmsgid = send_message(msg);
2678 if (newmsgid <= 0L) return(-5);
2680 /* Write a supplemental message info record. This doesn't have to
2681 * be a critical section because nobody else knows about this message
2684 CtdlLogPrintf(CTDL_DEBUG, "Creating MetaData record\n");
2685 memset(&smi, 0, sizeof(struct MetaData));
2686 smi.meta_msgnum = newmsgid;
2687 smi.meta_refcount = 0;
2688 safestrncpy(smi.meta_content_type, content_type,
2689 sizeof smi.meta_content_type);
2692 * Measure how big this message will be when rendered as RFC822.
2693 * We do this for two reasons:
2694 * 1. We need the RFC822 length for the new metadata record, so the
2695 * POP and IMAP services don't have to calculate message lengths
2696 * while the user is waiting (multiplied by potentially hundreds
2697 * or thousands of messages).
2698 * 2. If journaling is enabled, we will need an RFC822 version of the
2699 * message to attach to the journalized copy.
2701 if (CCC->redirect_buffer != NULL) {
2702 CtdlLogPrintf(CTDL_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
2705 CCC->redirect_buffer = malloc(SIZ);
2706 CCC->redirect_len = 0;
2707 CCC->redirect_alloc = SIZ;
2708 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
2709 smi.meta_rfc822_length = CCC->redirect_len;
2710 saved_rfc822_version = CCC->redirect_buffer;
2711 CCC->redirect_buffer = NULL;
2712 CCC->redirect_len = 0;
2713 CCC->redirect_alloc = 0;
2717 /* Now figure out where to store the pointers */
2718 CtdlLogPrintf(CTDL_DEBUG, "Storing pointers\n");
2720 /* If this is being done by the networker delivering a private
2721 * message, we want to BYPASS saving the sender's copy (because there
2722 * is no local sender; it would otherwise go to the Trashcan).
2724 if ((!CCC->internal_pgm) || (recps == NULL)) {
2725 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2726 CtdlLogPrintf(CTDL_ERR, "ERROR saving message pointer!\n");
2727 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2731 /* For internet mail, drop a copy in the outbound queue room */
2733 if (recps->num_internet > 0) {
2734 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2737 /* If other rooms are specified, drop them there too. */
2739 if (recps->num_room > 0)
2740 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2741 extract_token(recipient, recps->recp_room, i,
2742 '|', sizeof recipient);
2743 CtdlLogPrintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2744 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2747 /* Bump this user's messages posted counter. */
2748 CtdlLogPrintf(CTDL_DEBUG, "Updating user\n");
2749 lgetuser(&CCC->user, CCC->curr_user);
2750 CCC->user.posted = CCC->user.posted + 1;
2751 lputuser(&CCC->user);
2753 /* If this is private, local mail, make a copy in the
2754 * recipient's mailbox and bump the reference count.
2757 if (recps->num_local > 0)
2758 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2759 extract_token(recipient, recps->recp_local, i,
2760 '|', sizeof recipient);
2761 CtdlLogPrintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2763 if (getuser(&userbuf, recipient) == 0) {
2764 // Add a flag so the Funambol module knows its mail
2765 msg->cm_fields['W'] = strdup(recipient);
2766 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2767 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2768 BumpNewMailCounter(userbuf.usernum);
2769 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
2770 /* Generate a instruction message for the Funambol notification
2771 * server, in the same style as the SMTP queue
2774 instr = malloc(instr_alloc);
2775 snprintf(instr, instr_alloc,
2776 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2778 SPOOLMIME, newmsgid, (long)time(NULL),
2779 msg->cm_fields['A'], msg->cm_fields['N']
2782 imsg = malloc(sizeof(struct CtdlMessage));
2783 memset(imsg, 0, sizeof(struct CtdlMessage));
2784 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2785 imsg->cm_anon_type = MES_NORMAL;
2786 imsg->cm_format_type = FMT_RFC822;
2787 imsg->cm_fields['A'] = strdup("Citadel");
2788 imsg->cm_fields['J'] = strdup("do not journal");
2789 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
2790 imsg->cm_fields['W'] = strdup(recipient);
2791 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
2792 CtdlFreeMessage(imsg);
2796 CtdlLogPrintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2797 CtdlSaveMsgPointerInRoom(config.c_aideroom,
2802 /* Perform "after save" hooks */
2803 CtdlLogPrintf(CTDL_DEBUG, "Performing after-save hooks\n");
2804 PerformMessageHooks(msg, EVT_AFTERSAVE);
2806 /* For IGnet mail, we have to save a new copy into the spooler for
2807 * each recipient, with the R and D fields set to the recipient and
2808 * destination-node. This has two ugly side effects: all other
2809 * recipients end up being unlisted in this recipient's copy of the
2810 * message, and it has to deliver multiple messages to the same
2811 * node. We'll revisit this again in a year or so when everyone has
2812 * a network spool receiver that can handle the new style messages.
2815 if (recps->num_ignet > 0)
2816 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2817 extract_token(recipient, recps->recp_ignet, i,
2818 '|', sizeof recipient);
2820 hold_R = msg->cm_fields['R'];
2821 hold_D = msg->cm_fields['D'];
2822 msg->cm_fields['R'] = malloc(SIZ);
2823 msg->cm_fields['D'] = malloc(128);
2824 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
2825 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
2827 serialize_message(&smr, msg);
2829 snprintf(submit_filename, sizeof submit_filename,
2830 "%s/netmail.%04lx.%04x.%04x",
2832 (long) getpid(), CCC->cs_pid, ++seqnum);
2833 network_fp = fopen(submit_filename, "wb+");
2834 if (network_fp != NULL) {
2835 fwrite(smr.ser, smr.len, 1, network_fp);
2841 free(msg->cm_fields['R']);
2842 free(msg->cm_fields['D']);
2843 msg->cm_fields['R'] = hold_R;
2844 msg->cm_fields['D'] = hold_D;
2847 /* Go back to the room we started from */
2848 CtdlLogPrintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2849 if (strcasecmp(hold_rm, CCC->room.QRname))
2850 usergoto(hold_rm, 0, 1, NULL, NULL);
2852 /* For internet mail, generate delivery instructions.
2853 * Yes, this is recursive. Deal with it. Infinite recursion does
2854 * not happen because the delivery instructions message does not
2855 * contain a recipient.
2858 if (recps->num_internet > 0) {
2859 CtdlLogPrintf(CTDL_DEBUG, "Generating delivery instructions\n");
2861 instr = malloc(instr_alloc);
2862 snprintf(instr, instr_alloc,
2863 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2865 SPOOLMIME, newmsgid, (long)time(NULL),
2866 msg->cm_fields['A'], msg->cm_fields['N']
2869 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2870 size_t tmp = strlen(instr);
2871 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
2872 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
2873 instr_alloc = instr_alloc * 2;
2874 instr = realloc(instr, instr_alloc);
2876 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
2879 imsg = malloc(sizeof(struct CtdlMessage));
2880 memset(imsg, 0, sizeof(struct CtdlMessage));
2881 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2882 imsg->cm_anon_type = MES_NORMAL;
2883 imsg->cm_format_type = FMT_RFC822;
2884 imsg->cm_fields['A'] = strdup("Citadel");
2885 imsg->cm_fields['J'] = strdup("do not journal");
2886 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
2887 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
2888 CtdlFreeMessage(imsg);
2892 * Any addresses to harvest for someone's address book?
2894 if ( (CCC->logged_in) && (recps != NULL) ) {
2895 collected_addresses = harvest_collected_addresses(msg);
2898 if (collected_addresses != NULL) {
2899 begin_critical_section(S_ATBF);
2900 aptr = (struct addresses_to_be_filed *)
2901 malloc(sizeof(struct addresses_to_be_filed));
2903 MailboxName(actual_rm, sizeof actual_rm,
2904 &CCC->user, USERCONTACTSROOM);
2905 aptr->roomname = strdup(actual_rm);
2906 aptr->collected_addresses = collected_addresses;
2908 end_critical_section(S_ATBF);
2912 * Determine whether this message qualifies for journaling.
2914 if (msg->cm_fields['J'] != NULL) {
2915 qualified_for_journaling = 0;
2918 if (recps == NULL) {
2919 qualified_for_journaling = config.c_journal_pubmsgs;
2921 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
2922 qualified_for_journaling = config.c_journal_email;
2925 qualified_for_journaling = config.c_journal_pubmsgs;
2930 * Do we have to perform journaling? If so, hand off the saved
2931 * RFC822 version will be handed off to the journaler for background
2932 * submit. Otherwise, we have to free the memory ourselves.
2934 if (saved_rfc822_version != NULL) {
2935 if (qualified_for_journaling) {
2936 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
2939 free(saved_rfc822_version);
2952 * Convenience function for generating small administrative messages.
2954 void quickie_message(char *from, char *fromaddr, char *to, char *room, char *text,
2955 int format_type, char *subject)
2957 struct CtdlMessage *msg;
2958 struct recptypes *recp = NULL;
2960 msg = malloc(sizeof(struct CtdlMessage));
2961 memset(msg, 0, sizeof(struct CtdlMessage));
2962 msg->cm_magic = CTDLMESSAGE_MAGIC;
2963 msg->cm_anon_type = MES_NORMAL;
2964 msg->cm_format_type = format_type;
2967 msg->cm_fields['A'] = strdup(from);
2969 else if (fromaddr != NULL) {
2970 msg->cm_fields['A'] = strdup(fromaddr);
2971 if (strchr(msg->cm_fields['A'], '@')) {
2972 *strchr(msg->cm_fields['A'], '@') = 0;
2976 msg->cm_fields['A'] = strdup("Citadel");
2979 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
2980 if (room != NULL) msg->cm_fields['O'] = strdup(room);
2981 msg->cm_fields['N'] = strdup(NODENAME);
2983 msg->cm_fields['R'] = strdup(to);
2984 recp = validate_recipients(to, NULL, 0);
2986 if (subject != NULL) {
2987 msg->cm_fields['U'] = strdup(subject);
2989 msg->cm_fields['M'] = strdup(text);
2991 CtdlSubmitMsg(msg, recp, room, 0);
2992 CtdlFreeMessage(msg);
2993 if (recp != NULL) free_recipients(recp);
2999 * Back end function used by CtdlMakeMessage() and similar functions
3001 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3002 size_t maxlen, /* maximum message length */
3003 char *exist, /* if non-null, append to it;
3004 exist is ALWAYS freed */
3005 int crlf, /* CRLF newlines instead of LF */
3006 int sock /* socket handle or 0 for this session's client socket */
3010 size_t message_len = 0;
3011 size_t buffer_len = 0;
3018 if (exist == NULL) {
3025 message_len = strlen(exist);
3026 buffer_len = message_len + 4096;
3027 m = realloc(exist, buffer_len);
3034 /* Do we need to change leading ".." to "." for SMTP escaping? */
3035 if (!strcmp(terminator, ".")) {
3039 /* flush the input if we have nowhere to store it */
3044 /* read in the lines of message text one by one */
3047 if (sock_getln(sock, buf, (sizeof buf - 3)) < 0) finished = 1;
3050 if (client_getln(buf, (sizeof buf - 3)) < 1) finished = 1;
3052 if (!strcmp(buf, terminator)) finished = 1;
3054 strcat(buf, "\r\n");
3060 /* Unescape SMTP-style input of two dots at the beginning of the line */
3062 if (!strncmp(buf, "..", 2)) {
3063 strcpy(buf, &buf[1]);
3067 if ( (!flushing) && (!finished) ) {
3068 /* Measure the line */
3069 linelen = strlen(buf);
3071 /* augment the buffer if we have to */
3072 if ((message_len + linelen) >= buffer_len) {
3073 ptr = realloc(m, (buffer_len * 2) );
3074 if (ptr == NULL) { /* flush if can't allocate */
3077 buffer_len = (buffer_len * 2);
3079 CtdlLogPrintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
3083 /* Add the new line to the buffer. NOTE: this loop must avoid
3084 * using functions like strcat() and strlen() because they
3085 * traverse the entire buffer upon every call, and doing that
3086 * for a multi-megabyte message slows it down beyond usability.
3088 strcpy(&m[message_len], buf);
3089 message_len += linelen;
3092 /* if we've hit the max msg length, flush the rest */
3093 if (message_len >= maxlen) flushing = 1;
3095 } while (!finished);
3103 * Build a binary message to be saved on disk.
3104 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3105 * will become part of the message. This means you are no longer
3106 * responsible for managing that memory -- it will be freed along with
3107 * the rest of the fields when CtdlFreeMessage() is called.)
3110 struct CtdlMessage *CtdlMakeMessage(
3111 struct ctdluser *author, /* author's user structure */
3112 char *recipient, /* NULL if it's not mail */
3113 char *recp_cc, /* NULL if it's not mail */
3114 char *room, /* room where it's going */
3115 int type, /* see MES_ types in header file */
3116 int format_type, /* variformat, plain text, MIME... */
3117 char *fake_name, /* who we're masquerading as */
3118 char *my_email, /* which of my email addresses to use (empty is ok) */
3119 char *subject, /* Subject (optional) */
3120 char *supplied_euid, /* ...or NULL if this is irrelevant */
3121 char *preformatted_text, /* ...or NULL to read text from client */
3122 char *references /* Thread references */
3124 char dest_node[256];
3126 struct CtdlMessage *msg;
3128 msg = malloc(sizeof(struct CtdlMessage));
3129 memset(msg, 0, sizeof(struct CtdlMessage));
3130 msg->cm_magic = CTDLMESSAGE_MAGIC;
3131 msg->cm_anon_type = type;
3132 msg->cm_format_type = format_type;
3134 /* Don't confuse the poor folks if it's not routed mail. */
3135 strcpy(dest_node, "");
3140 /* Path or Return-Path */
3141 if (my_email == NULL) my_email = "";
3143 if (!IsEmptyStr(my_email)) {
3144 msg->cm_fields['P'] = strdup(my_email);
3147 snprintf(buf, sizeof buf, "%s", author->fullname);
3148 msg->cm_fields['P'] = strdup(buf);
3150 convert_spaces_to_underscores(msg->cm_fields['P']);
3152 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3153 msg->cm_fields['T'] = strdup(buf);
3155 if (fake_name[0]) /* author */
3156 msg->cm_fields['A'] = strdup(fake_name);
3158 msg->cm_fields['A'] = strdup(author->fullname);
3160 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3161 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3164 msg->cm_fields['O'] = strdup(CC->room.QRname);
3167 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3168 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3170 if (recipient[0] != 0) {
3171 msg->cm_fields['R'] = strdup(recipient);
3173 if (recp_cc[0] != 0) {
3174 msg->cm_fields['Y'] = strdup(recp_cc);
3176 if (dest_node[0] != 0) {
3177 msg->cm_fields['D'] = strdup(dest_node);
3180 if (!IsEmptyStr(my_email)) {
3181 msg->cm_fields['F'] = strdup(my_email);
3183 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3184 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3187 if (subject != NULL) {
3190 length = strlen(subject);
3196 while ((subject[i] != '\0') &&
3197 (IsAscii = isascii(subject[i]) != 0 ))
3200 msg->cm_fields['U'] = strdup(subject);
3201 else /* ok, we've got utf8 in the string. */
3203 msg->cm_fields['U'] = rfc2047encode(subject, length);
3209 if (supplied_euid != NULL) {
3210 msg->cm_fields['E'] = strdup(supplied_euid);
3213 if (references != NULL) {
3214 if (!IsEmptyStr(references)) {
3215 msg->cm_fields['W'] = strdup(references);
3219 if (preformatted_text != NULL) {
3220 msg->cm_fields['M'] = preformatted_text;
3223 msg->cm_fields['M'] = CtdlReadMessageBody("000", config.c_maxmsglen, NULL, 0, 0);
3231 * Check to see whether we have permission to post a message in the current
3232 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3233 * returns 0 on success.
3235 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf,
3237 const char* RemoteIdentifier,
3241 if (!(CC->logged_in) &&
3242 (PostPublic == POST_LOGGED_IN)) {
3243 snprintf(errmsgbuf, n, "Not logged in.");
3244 return (ERROR + NOT_LOGGED_IN);
3246 else if (PostPublic == CHECK_EXISTANCE) {
3247 return (0); // We're Evaling whether a recipient exists
3249 else if (!(CC->logged_in)) {
3251 if ((CC->room.QRflags & QR_READONLY)) {
3252 snprintf(errmsgbuf, n, "Not logged in.");
3253 return (ERROR + NOT_LOGGED_IN);
3255 if (CC->room.QRflags2 & QR2_MODERATED) {
3256 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3257 return (ERROR + NOT_LOGGED_IN);
3259 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3264 if (RemoteIdentifier == NULL)
3266 snprintf(errmsgbuf, n, "Need sender to permit access.");
3267 return (ERROR + USERNAME_REQUIRED);
3270 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3271 begin_critical_section(S_NETCONFIGS);
3272 if (!read_spoolcontrol_file(&sc, filename))
3274 end_critical_section(S_NETCONFIGS);
3275 snprintf(errmsgbuf, n,
3276 "This mailing list only accepts posts from subscribers.");
3277 return (ERROR + NO_SUCH_USER);
3279 end_critical_section(S_NETCONFIGS);
3280 found = is_recipient (sc, RemoteIdentifier);
3281 free_spoolcontrol_struct(&sc);
3286 snprintf(errmsgbuf, n,
3287 "This mailing list only accepts posts from subscribers.");
3288 return (ERROR + NO_SUCH_USER);
3295 if ((CC->user.axlevel < 2)
3296 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3297 snprintf(errmsgbuf, n, "Need to be validated to enter "
3298 "(except in %s> to sysop)", MAILROOM);
3299 return (ERROR + HIGHER_ACCESS_REQUIRED);
3302 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3303 if (!(ra & UA_POSTALLOWED)) {
3304 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3305 return (ERROR + HIGHER_ACCESS_REQUIRED);
3308 strcpy(errmsgbuf, "Ok");
3314 * Check to see if the specified user has Internet mail permission
3315 * (returns nonzero if permission is granted)
3317 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3319 /* Do not allow twits to send Internet mail */
3320 if (who->axlevel <= 2) return(0);
3322 /* Globally enabled? */
3323 if (config.c_restrict == 0) return(1);
3325 /* User flagged ok? */
3326 if (who->flags & US_INTERNET) return(2);
3328 /* Aide level access? */
3329 if (who->axlevel >= 6) return(3);
3331 /* No mail for you! */
3337 * Validate recipients, count delivery types and errors, and handle aliasing
3338 * FIXME check for dupes!!!!!
3340 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3341 * were specified, or the number of addresses found invalid.
3343 * Caller needs to free the result using free_recipients()
3345 struct recptypes *validate_recipients(char *supplied_recipients,
3346 const char *RemoteIdentifier,
3348 struct recptypes *ret;
3349 char *recipients = NULL;
3350 char this_recp[256];
3351 char this_recp_cooked[256];
3357 struct ctdluser tempUS;
3358 struct ctdlroom tempQR;
3359 struct ctdlroom tempQR2;
3365 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3366 if (ret == NULL) return(NULL);
3368 /* Set all strings to null and numeric values to zero */
3369 memset(ret, 0, sizeof(struct recptypes));
3371 if (supplied_recipients == NULL) {
3372 recipients = strdup("");
3375 recipients = strdup(supplied_recipients);
3378 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3379 * actually need, but it's healthier for the heap than doing lots of tiny
3380 * realloc() calls instead.
3383 ret->errormsg = malloc(strlen(recipients) + 1024);
3384 ret->recp_local = malloc(strlen(recipients) + 1024);
3385 ret->recp_internet = malloc(strlen(recipients) + 1024);
3386 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3387 ret->recp_room = malloc(strlen(recipients) + 1024);
3388 ret->display_recp = malloc(strlen(recipients) + 1024);
3390 ret->errormsg[0] = 0;
3391 ret->recp_local[0] = 0;
3392 ret->recp_internet[0] = 0;
3393 ret->recp_ignet[0] = 0;
3394 ret->recp_room[0] = 0;
3395 ret->display_recp[0] = 0;
3397 ret->recptypes_magic = RECPTYPES_MAGIC;
3399 /* Change all valid separator characters to commas */
3400 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3401 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3402 recipients[i] = ',';
3406 /* Now start extracting recipients... */
3408 while (!IsEmptyStr(recipients)) {
3410 for (i=0; i<=strlen(recipients); ++i) {
3411 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3412 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3413 safestrncpy(this_recp, recipients, i+1);
3415 if (recipients[i] == ',') {
3416 strcpy(recipients, &recipients[i+1]);
3419 strcpy(recipients, "");
3426 if (IsEmptyStr(this_recp))
3428 CtdlLogPrintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3430 mailtype = alias(this_recp);
3431 mailtype = alias(this_recp);
3432 mailtype = alias(this_recp);
3434 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3435 if (this_recp[j]=='_') {
3436 this_recp_cooked[j] = ' ';
3439 this_recp_cooked[j] = this_recp[j];
3442 this_recp_cooked[j] = '\0';
3447 if (!strcasecmp(this_recp, "sysop")) {
3449 strcpy(this_recp, config.c_aideroom);
3450 if (!IsEmptyStr(ret->recp_room)) {
3451 strcat(ret->recp_room, "|");
3453 strcat(ret->recp_room, this_recp);
3455 else if ( (!strncasecmp(this_recp, "room_", 5))
3456 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
3458 /* Save room so we can restore it later */
3462 /* Check permissions to send mail to this room */
3463 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg,
3475 if (!IsEmptyStr(ret->recp_room)) {
3476 strcat(ret->recp_room, "|");
3478 strcat(ret->recp_room, &this_recp_cooked[5]);
3481 /* Restore room in case something needs it */
3485 else if (getuser(&tempUS, this_recp) == 0) {
3487 strcpy(this_recp, tempUS.fullname);
3488 if (!IsEmptyStr(ret->recp_local)) {
3489 strcat(ret->recp_local, "|");
3491 strcat(ret->recp_local, this_recp);
3493 else if (getuser(&tempUS, this_recp_cooked) == 0) {
3495 strcpy(this_recp, tempUS.fullname);
3496 if (!IsEmptyStr(ret->recp_local)) {
3497 strcat(ret->recp_local, "|");
3499 strcat(ret->recp_local, this_recp);
3507 /* Yes, you're reading this correctly: if the target
3508 * domain points back to the local system or an attached
3509 * Citadel directory, the address is invalid. That's
3510 * because if the address were valid, we would have
3511 * already translated it to a local address by now.
3513 if (IsDirectory(this_recp, 0)) {
3518 ++ret->num_internet;
3519 if (!IsEmptyStr(ret->recp_internet)) {
3520 strcat(ret->recp_internet, "|");
3522 strcat(ret->recp_internet, this_recp);
3527 if (!IsEmptyStr(ret->recp_ignet)) {
3528 strcat(ret->recp_ignet, "|");
3530 strcat(ret->recp_ignet, this_recp);
3538 if (IsEmptyStr(errmsg)) {
3539 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3542 snprintf(append, sizeof append, "%s", errmsg);
3544 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3545 if (!IsEmptyStr(ret->errormsg)) {
3546 strcat(ret->errormsg, "; ");
3548 strcat(ret->errormsg, append);
3552 if (IsEmptyStr(ret->display_recp)) {
3553 strcpy(append, this_recp);
3556 snprintf(append, sizeof append, ", %s", this_recp);
3558 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3559 strcat(ret->display_recp, append);
3564 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3565 ret->num_room + ret->num_error) == 0) {
3566 ret->num_error = (-1);
3567 strcpy(ret->errormsg, "No recipients specified.");
3570 CtdlLogPrintf(CTDL_DEBUG, "validate_recipients()\n");
3571 CtdlLogPrintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3572 CtdlLogPrintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3573 CtdlLogPrintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3574 CtdlLogPrintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3575 CtdlLogPrintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3583 * Destructor for struct recptypes
3585 void free_recipients(struct recptypes *valid) {
3587 if (valid == NULL) {
3591 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
3592 CtdlLogPrintf(CTDL_EMERG, "Attempt to call free_recipients() on some other data type!\n");
3596 if (valid->errormsg != NULL) free(valid->errormsg);
3597 if (valid->recp_local != NULL) free(valid->recp_local);
3598 if (valid->recp_internet != NULL) free(valid->recp_internet);
3599 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
3600 if (valid->recp_room != NULL) free(valid->recp_room);
3601 if (valid->display_recp != NULL) free(valid->display_recp);
3608 * message entry - mode 0 (normal)
3610 void cmd_ent0(char *entargs)
3616 char supplied_euid[128];
3618 int format_type = 0;
3619 char newusername[256];
3620 char newuseremail[256];
3621 struct CtdlMessage *msg;
3625 struct recptypes *valid = NULL;
3626 struct recptypes *valid_to = NULL;
3627 struct recptypes *valid_cc = NULL;
3628 struct recptypes *valid_bcc = NULL;
3630 int subject_required = 0;
3635 int newuseremail_ok = 0;
3636 char references[SIZ];
3641 post = extract_int(entargs, 0);
3642 extract_token(recp, entargs, 1, '|', sizeof recp);
3643 anon_flag = extract_int(entargs, 2);
3644 format_type = extract_int(entargs, 3);
3645 extract_token(subject, entargs, 4, '|', sizeof subject);
3646 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3647 do_confirm = extract_int(entargs, 6);
3648 extract_token(cc, entargs, 7, '|', sizeof cc);
3649 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3650 switch(CC->room.QRdefaultview) {
3653 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3656 supplied_euid[0] = 0;
3659 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
3660 extract_token(references, entargs, 11, '|', sizeof references);
3661 for (ptr=references; *ptr != 0; ++ptr) {
3662 if (*ptr == '!') *ptr = '|';
3665 /* first check to make sure the request is valid. */
3667 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg, NULL, POST_LOGGED_IN);
3670 cprintf("%d %s\n", err, errmsg);
3674 /* Check some other permission type things. */
3676 if (IsEmptyStr(newusername)) {
3677 strcpy(newusername, CC->user.fullname);
3679 if ( (CC->user.axlevel < 6)
3680 && (strcasecmp(newusername, CC->user.fullname))
3681 && (strcasecmp(newusername, CC->cs_inet_fn))
3683 cprintf("%d You don't have permission to author messages as '%s'.\n",
3684 ERROR + HIGHER_ACCESS_REQUIRED,
3691 if (IsEmptyStr(newuseremail)) {
3692 newuseremail_ok = 1;
3695 if (!IsEmptyStr(newuseremail)) {
3696 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
3697 newuseremail_ok = 1;
3699 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
3700 j = num_tokens(CC->cs_inet_other_emails, '|');
3701 for (i=0; i<j; ++i) {
3702 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
3703 if (!strcasecmp(newuseremail, buf)) {
3704 newuseremail_ok = 1;
3710 if (!newuseremail_ok) {
3711 cprintf("%d You don't have permission to author messages as '%s'.\n",
3712 ERROR + HIGHER_ACCESS_REQUIRED,
3718 CC->cs_flags |= CS_POSTING;
3720 /* In mailbox rooms we have to behave a little differently --
3721 * make sure the user has specified at least one recipient. Then
3722 * validate the recipient(s). We do this for the Mail> room, as
3723 * well as any room which has the "Mailbox" view set.
3726 if ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
3727 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
3729 if (CC->user.axlevel < 2) {
3730 strcpy(recp, "sysop");
3735 valid_to = validate_recipients(recp, NULL, 0);
3736 if (valid_to->num_error > 0) {
3737 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
3738 free_recipients(valid_to);
3742 valid_cc = validate_recipients(cc, NULL, 0);
3743 if (valid_cc->num_error > 0) {
3744 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
3745 free_recipients(valid_to);
3746 free_recipients(valid_cc);
3750 valid_bcc = validate_recipients(bcc, NULL, 0);
3751 if (valid_bcc->num_error > 0) {
3752 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
3753 free_recipients(valid_to);
3754 free_recipients(valid_cc);
3755 free_recipients(valid_bcc);
3759 /* Recipient required, but none were specified */
3760 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
3761 free_recipients(valid_to);
3762 free_recipients(valid_cc);
3763 free_recipients(valid_bcc);
3764 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
3768 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
3769 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
3770 cprintf("%d You do not have permission "
3771 "to send Internet mail.\n",
3772 ERROR + HIGHER_ACCESS_REQUIRED);
3773 free_recipients(valid_to);
3774 free_recipients(valid_cc);
3775 free_recipients(valid_bcc);
3780 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)
3781 && (CC->user.axlevel < 4) ) {
3782 cprintf("%d Higher access required for network mail.\n",
3783 ERROR + HIGHER_ACCESS_REQUIRED);
3784 free_recipients(valid_to);
3785 free_recipients(valid_cc);
3786 free_recipients(valid_bcc);
3790 if ((RESTRICT_INTERNET == 1)
3791 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
3792 && ((CC->user.flags & US_INTERNET) == 0)
3793 && (!CC->internal_pgm)) {
3794 cprintf("%d You don't have access to Internet mail.\n",
3795 ERROR + HIGHER_ACCESS_REQUIRED);
3796 free_recipients(valid_to);
3797 free_recipients(valid_cc);
3798 free_recipients(valid_bcc);
3804 /* Is this a room which has anonymous-only or anonymous-option? */
3805 anonymous = MES_NORMAL;
3806 if (CC->room.QRflags & QR_ANONONLY) {
3807 anonymous = MES_ANONONLY;
3809 if (CC->room.QRflags & QR_ANONOPT) {
3810 if (anon_flag == 1) { /* only if the user requested it */
3811 anonymous = MES_ANONOPT;
3815 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
3819 /* Recommend to the client that the use of a message subject is
3820 * strongly recommended in this room, if either the SUBJECTREQ flag
3821 * is set, or if there is one or more Internet email recipients.
3823 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
3824 if (valid_to) if (valid_to->num_internet > 0) subject_required = 1;
3825 if (valid_cc) if (valid_cc->num_internet > 0) subject_required = 1;
3826 if (valid_bcc) if (valid_bcc->num_internet > 0) subject_required = 1;
3828 /* If we're only checking the validity of the request, return
3829 * success without creating the message.
3832 cprintf("%d %s|%d\n", CIT_OK,
3833 ((valid_to != NULL) ? valid_to->display_recp : ""),
3835 free_recipients(valid_to);
3836 free_recipients(valid_cc);
3837 free_recipients(valid_bcc);
3841 /* We don't need these anymore because we'll do it differently below */
3842 free_recipients(valid_to);
3843 free_recipients(valid_cc);
3844 free_recipients(valid_bcc);
3846 /* Read in the message from the client. */
3848 cprintf("%d send message\n", START_CHAT_MODE);
3850 cprintf("%d send message\n", SEND_LISTING);
3853 msg = CtdlMakeMessage(&CC->user, recp, cc,
3854 CC->room.QRname, anonymous, format_type,
3855 newusername, newuseremail, subject,
3856 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
3859 /* Put together one big recipients struct containing to/cc/bcc all in
3860 * one. This is for the envelope.
3862 char *all_recps = malloc(SIZ * 3);
3863 strcpy(all_recps, recp);
3864 if (!IsEmptyStr(cc)) {
3865 if (!IsEmptyStr(all_recps)) {
3866 strcat(all_recps, ",");
3868 strcat(all_recps, cc);
3870 if (!IsEmptyStr(bcc)) {
3871 if (!IsEmptyStr(all_recps)) {
3872 strcat(all_recps, ",");
3874 strcat(all_recps, bcc);
3876 if (!IsEmptyStr(all_recps)) {
3877 valid = validate_recipients(all_recps, NULL, 0);
3885 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
3888 cprintf("%ld\n", msgnum);
3890 cprintf("Message accepted.\n");
3893 cprintf("Internal error.\n");
3895 if (msg->cm_fields['E'] != NULL) {
3896 cprintf("%s\n", msg->cm_fields['E']);
3903 CtdlFreeMessage(msg);
3905 if (valid != NULL) {
3906 free_recipients(valid);
3914 * API function to delete messages which match a set of criteria
3915 * (returns the actual number of messages deleted)
3917 int CtdlDeleteMessages(char *room_name, /* which room */
3918 long *dmsgnums, /* array of msg numbers to be deleted */
3919 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
3920 char *content_type /* or "" for any. regular expressions expected. */
3923 struct ctdlroom qrbuf;
3924 struct cdbdata *cdbfr;
3925 long *msglist = NULL;
3926 long *dellist = NULL;
3929 int num_deleted = 0;
3931 struct MetaData smi;
3934 int need_to_free_re = 0;
3936 if (content_type) if (!IsEmptyStr(content_type)) {
3937 regcomp(&re, content_type, 0);
3938 need_to_free_re = 1;
3940 CtdlLogPrintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
3941 room_name, num_dmsgnums, content_type);
3943 /* get room record, obtaining a lock... */
3944 if (lgetroom(&qrbuf, room_name) != 0) {
3945 CtdlLogPrintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
3947 if (need_to_free_re) regfree(&re);
3948 return (0); /* room not found */
3950 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
3952 if (cdbfr != NULL) {
3953 dellist = malloc(cdbfr->len);
3954 msglist = (long *) cdbfr->ptr;
3955 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
3956 num_msgs = cdbfr->len / sizeof(long);
3960 for (i = 0; i < num_msgs; ++i) {
3963 /* Set/clear a bit for each criterion */
3965 /* 0 messages in the list or a null list means that we are
3966 * interested in deleting any messages which meet the other criteria.
3968 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
3969 delete_this |= 0x01;
3972 for (j=0; j<num_dmsgnums; ++j) {
3973 if (msglist[i] == dmsgnums[j]) {
3974 delete_this |= 0x01;
3979 if (IsEmptyStr(content_type)) {
3980 delete_this |= 0x02;
3982 GetMetaData(&smi, msglist[i]);
3983 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
3984 delete_this |= 0x02;
3988 /* Delete message only if all bits are set */
3989 if (delete_this == 0x03) {
3990 dellist[num_deleted++] = msglist[i];
3995 num_msgs = sort_msglist(msglist, num_msgs);
3996 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
3997 msglist, (int)(num_msgs * sizeof(long)));
3999 qrbuf.QRhighest = msglist[num_msgs - 1];
4003 /* Go through the messages we pulled out of the index, and decrement
4004 * their reference counts by 1. If this is the only room the message
4005 * was in, the reference count will reach zero and the message will
4006 * automatically be deleted from the database. We do this in a
4007 * separate pass because there might be plug-in hooks getting called,
4008 * and we don't want that happening during an S_ROOMS critical
4011 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4012 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4013 AdjRefCount(dellist[i], -1);
4016 /* Now free the memory we used, and go away. */
4017 if (msglist != NULL) free(msglist);
4018 if (dellist != NULL) free(dellist);
4019 CtdlLogPrintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
4020 if (need_to_free_re) regfree(&re);
4021 return (num_deleted);
4027 * Check whether the current user has permission to delete messages from
4028 * the current room (returns 1 for yes, 0 for no)
4030 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4032 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4033 if (ra & UA_DELETEALLOWED) return(1);
4041 * Delete message from current room
4043 void cmd_dele(char *args)
4052 extract_token(msgset, args, 0, '|', sizeof msgset);
4053 num_msgs = num_tokens(msgset, ',');
4055 cprintf("%d Nothing to do.\n", CIT_OK);
4059 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4060 cprintf("%d Higher access required.\n",
4061 ERROR + HIGHER_ACCESS_REQUIRED);
4066 * Build our message set to be moved/copied
4068 msgs = malloc(num_msgs * sizeof(long));
4069 for (i=0; i<num_msgs; ++i) {
4070 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4071 msgs[i] = atol(msgtok);
4074 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4078 cprintf("%d %d message%s deleted.\n", CIT_OK,
4079 num_deleted, ((num_deleted != 1) ? "s" : ""));
4081 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4087 * Back end API function for moves and deletes (multiple messages)
4089 int CtdlCopyMsgsToRoom(long *msgnums, int num_msgs, char *dest) {
4092 err = CtdlSaveMsgPointersInRoom(dest, msgnums, num_msgs, 1, NULL);
4093 if (err != 0) return(err);
4102 * move or copy a message to another room
4104 void cmd_move(char *args)
4111 char targ[ROOMNAMELEN];
4112 struct ctdlroom qtemp;
4119 extract_token(msgset, args, 0, '|', sizeof msgset);
4120 num_msgs = num_tokens(msgset, ',');
4122 cprintf("%d Nothing to do.\n", CIT_OK);
4126 extract_token(targ, args, 1, '|', sizeof targ);
4127 convert_room_name_macros(targ, sizeof targ);
4128 targ[ROOMNAMELEN - 1] = 0;
4129 is_copy = extract_int(args, 2);
4131 if (getroom(&qtemp, targ) != 0) {
4132 cprintf("%d '%s' does not exist.\n",
4133 ERROR + ROOM_NOT_FOUND, targ);
4137 getuser(&CC->user, CC->curr_user);
4138 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4140 /* Check for permission to perform this operation.
4141 * Remember: "CC->room" is source, "qtemp" is target.
4145 /* Aides can move/copy */
4146 if (CC->user.axlevel >= 6) permit = 1;
4148 /* Room aides can move/copy */
4149 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4151 /* Permit move/copy from personal rooms */
4152 if ((CC->room.QRflags & QR_MAILBOX)
4153 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4155 /* Permit only copy from public to personal room */
4157 && (!(CC->room.QRflags & QR_MAILBOX))
4158 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4160 /* Permit message removal from collaborative delete rooms */
4161 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4163 /* Users allowed to post into the target room may move into it too. */
4164 if ((CC->room.QRflags & QR_MAILBOX) &&
4165 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4167 /* User must have access to target room */
4168 if (!(ra & UA_KNOWN)) permit = 0;
4171 cprintf("%d Higher access required.\n",
4172 ERROR + HIGHER_ACCESS_REQUIRED);
4177 * Build our message set to be moved/copied
4179 msgs = malloc(num_msgs * sizeof(long));
4180 for (i=0; i<num_msgs; ++i) {
4181 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4182 msgs[i] = atol(msgtok);
4188 err = CtdlCopyMsgsToRoom(msgs, num_msgs, targ);
4190 cprintf("%d Cannot store message(s) in %s: error %d\n",
4196 /* Now delete the message from the source room,
4197 * if this is a 'move' rather than a 'copy' operation.
4200 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4204 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4210 * GetMetaData() - Get the supplementary record for a message
4212 void GetMetaData(struct MetaData *smibuf, long msgnum)
4215 struct cdbdata *cdbsmi;
4218 memset(smibuf, 0, sizeof(struct MetaData));
4219 smibuf->meta_msgnum = msgnum;
4220 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4222 /* Use the negative of the message number for its supp record index */
4223 TheIndex = (0L - msgnum);
4225 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4226 if (cdbsmi == NULL) {
4227 return; /* record not found; go with defaults */
4229 memcpy(smibuf, cdbsmi->ptr,
4230 ((cdbsmi->len > sizeof(struct MetaData)) ?
4231 sizeof(struct MetaData) : cdbsmi->len));
4238 * PutMetaData() - (re)write supplementary record for a message
4240 void PutMetaData(struct MetaData *smibuf)
4244 /* Use the negative of the message number for the metadata db index */
4245 TheIndex = (0L - smibuf->meta_msgnum);
4247 cdb_store(CDB_MSGMAIN,
4248 &TheIndex, (int)sizeof(long),
4249 smibuf, (int)sizeof(struct MetaData));
4254 * AdjRefCount - submit an adjustment to the reference count for a message.
4255 * (These are just queued -- we actually process them later.)
4257 void AdjRefCount(long msgnum, int incr)
4259 struct arcq new_arcq;
4261 begin_critical_section(S_SUPPMSGMAIN);
4262 if (arcfp == NULL) {
4263 arcfp = fopen(file_arcq, "ab+");
4265 end_critical_section(S_SUPPMSGMAIN);
4267 /* msgnum < 0 means that we're trying to close the file */
4269 CtdlLogPrintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
4270 begin_critical_section(S_SUPPMSGMAIN);
4271 if (arcfp != NULL) {
4275 end_critical_section(S_SUPPMSGMAIN);
4280 * If we can't open the queue, perform the operation synchronously.
4282 if (arcfp == NULL) {
4283 TDAP_AdjRefCount(msgnum, incr);
4287 new_arcq.arcq_msgnum = msgnum;
4288 new_arcq.arcq_delta = incr;
4289 fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4297 * TDAP_ProcessAdjRefCountQueue()
4299 * Process the queue of message count adjustments that was created by calls
4300 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4301 * for each one. This should be an "off hours" operation.
4303 int TDAP_ProcessAdjRefCountQueue(void)
4305 char file_arcq_temp[PATH_MAX];
4308 struct arcq arcq_rec;
4309 int num_records_processed = 0;
4311 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s2", file_arcq);
4313 begin_critical_section(S_SUPPMSGMAIN);
4314 if (arcfp != NULL) {
4319 r = link(file_arcq, file_arcq_temp);
4321 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4322 end_critical_section(S_SUPPMSGMAIN);
4323 return(num_records_processed);
4327 end_critical_section(S_SUPPMSGMAIN);
4329 fp = fopen(file_arcq_temp, "rb");
4331 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4332 return(num_records_processed);
4335 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4336 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4337 ++num_records_processed;
4341 r = unlink(file_arcq_temp);
4343 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4346 return(num_records_processed);
4352 * TDAP_AdjRefCount - adjust the reference count for a message.
4353 * This one does it "for real" because it's called by
4354 * the autopurger function that processes the queue
4355 * created by AdjRefCount(). If a message's reference
4356 * count becomes zero, we also delete the message from
4357 * disk and de-index it.
4359 void TDAP_AdjRefCount(long msgnum, int incr)
4362 struct MetaData smi;
4365 /* This is a *tight* critical section; please keep it that way, as
4366 * it may get called while nested in other critical sections.
4367 * Complicating this any further will surely cause deadlock!
4369 begin_critical_section(S_SUPPMSGMAIN);
4370 GetMetaData(&smi, msgnum);
4371 smi.meta_refcount += incr;
4373 end_critical_section(S_SUPPMSGMAIN);
4374 CtdlLogPrintf(CTDL_DEBUG, "msg %ld ref count delta %d, is now %d\n",
4375 msgnum, incr, smi.meta_refcount);
4377 /* If the reference count is now zero, delete the message
4378 * (and its supplementary record as well).
4380 if (smi.meta_refcount == 0) {
4381 CtdlLogPrintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
4383 /* Call delete hooks with NULL room to show it has gone altogether */
4384 PerformDeleteHooks(NULL, msgnum);
4386 /* Remove from message base */
4388 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4389 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4391 /* Remove metadata record */
4392 delnum = (0L - msgnum);
4393 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4399 * Write a generic object to this room
4401 * Note: this could be much more efficient. Right now we use two temporary
4402 * files, and still pull the message into memory as with all others.
4404 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4405 char *content_type, /* MIME type of this object */
4406 char *tempfilename, /* Where to fetch it from */
4407 struct ctdluser *is_mailbox, /* Mailbox room? */
4408 int is_binary, /* Is encoding necessary? */
4409 int is_unique, /* Del others of this type? */
4410 unsigned int flags /* Internal save flags */
4415 struct ctdlroom qrbuf;
4416 char roomname[ROOMNAMELEN];
4417 struct CtdlMessage *msg;
4419 char *raw_message = NULL;
4420 char *encoded_message = NULL;
4421 off_t raw_length = 0;
4423 if (is_mailbox != NULL) {
4424 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4427 safestrncpy(roomname, req_room, sizeof(roomname));
4430 fp = fopen(tempfilename, "rb");
4432 CtdlLogPrintf(CTDL_CRIT, "Cannot open %s: %s\n",
4433 tempfilename, strerror(errno));
4436 fseek(fp, 0L, SEEK_END);
4437 raw_length = ftell(fp);
4439 CtdlLogPrintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4441 raw_message = malloc((size_t)raw_length + 2);
4442 fread(raw_message, (size_t)raw_length, 1, fp);
4446 encoded_message = malloc((size_t)
4447 (((raw_length * 134) / 100) + 4096 ) );
4450 encoded_message = malloc((size_t)(raw_length + 4096));
4453 sprintf(encoded_message, "Content-type: %s\n", content_type);
4456 sprintf(&encoded_message[strlen(encoded_message)],
4457 "Content-transfer-encoding: base64\n\n"
4461 sprintf(&encoded_message[strlen(encoded_message)],
4462 "Content-transfer-encoding: 7bit\n\n"
4468 &encoded_message[strlen(encoded_message)],
4475 raw_message[raw_length] = 0;
4477 &encoded_message[strlen(encoded_message)],
4485 CtdlLogPrintf(CTDL_DEBUG, "Allocating\n");
4486 msg = malloc(sizeof(struct CtdlMessage));
4487 memset(msg, 0, sizeof(struct CtdlMessage));
4488 msg->cm_magic = CTDLMESSAGE_MAGIC;
4489 msg->cm_anon_type = MES_NORMAL;
4490 msg->cm_format_type = 4;
4491 msg->cm_fields['A'] = strdup(CC->user.fullname);
4492 msg->cm_fields['O'] = strdup(req_room);
4493 msg->cm_fields['N'] = strdup(config.c_nodename);
4494 msg->cm_fields['H'] = strdup(config.c_humannode);
4495 msg->cm_flags = flags;
4497 msg->cm_fields['M'] = encoded_message;
4499 /* Create the requested room if we have to. */
4500 if (getroom(&qrbuf, roomname) != 0) {
4501 create_room(roomname,
4502 ( (is_mailbox != NULL) ? 5 : 3 ),
4503 "", 0, 1, 0, VIEW_BBS);
4505 /* If the caller specified this object as unique, delete all
4506 * other objects of this type that are currently in the room.
4509 CtdlLogPrintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4510 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4513 /* Now write the data */
4514 CtdlSubmitMsg(msg, NULL, roomname, 0);
4515 CtdlFreeMessage(msg);
4523 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4524 config_msgnum = msgnum;
4528 char *CtdlGetSysConfig(char *sysconfname) {
4529 char hold_rm[ROOMNAMELEN];
4532 struct CtdlMessage *msg;
4535 strcpy(hold_rm, CC->room.QRname);
4536 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
4537 getroom(&CC->room, hold_rm);
4542 /* We want the last (and probably only) config in this room */
4543 begin_critical_section(S_CONFIG);
4544 config_msgnum = (-1L);
4545 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4546 CtdlGetSysConfigBackend, NULL);
4547 msgnum = config_msgnum;
4548 end_critical_section(S_CONFIG);
4554 msg = CtdlFetchMessage(msgnum, 1);
4556 conf = strdup(msg->cm_fields['M']);
4557 CtdlFreeMessage(msg);
4564 getroom(&CC->room, hold_rm);
4566 if (conf != NULL) do {
4567 extract_token(buf, conf, 0, '\n', sizeof buf);
4568 strcpy(conf, &conf[strlen(buf)+1]);
4569 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
4574 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4575 char temp[PATH_MAX];
4578 CtdlMakeTempFileName(temp, sizeof temp);
4580 fp = fopen(temp, "w");
4581 if (fp == NULL) return;
4582 fprintf(fp, "%s", sysconfdata);
4585 /* this handy API function does all the work for us */
4586 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
4592 * Determine whether a given Internet address belongs to the current user
4594 int CtdlIsMe(char *addr, int addr_buf_len)
4596 struct recptypes *recp;
4599 recp = validate_recipients(addr, NULL, 0);
4600 if (recp == NULL) return(0);
4602 if (recp->num_local == 0) {
4603 free_recipients(recp);
4607 for (i=0; i<recp->num_local; ++i) {
4608 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4609 if (!strcasecmp(addr, CC->user.fullname)) {
4610 free_recipients(recp);
4615 free_recipients(recp);
4621 * Citadel protocol command to do the same
4623 void cmd_isme(char *argbuf) {
4626 if (CtdlAccessCheck(ac_logged_in)) return;
4627 extract_token(addr, argbuf, 0, '|', sizeof addr);
4629 if (CtdlIsMe(addr, sizeof addr)) {
4630 cprintf("%d %s\n", CIT_OK, addr);
4633 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);