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? */
1580 cit_uint8_t ch, prev_ch;
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);
1901 while (ch=*mptr, ch!=0) {
1907 ((headers_only == HEADERS_NONE) && (mptr >= start_of_text))
1908 || ((headers_only == HEADERS_ONLY) && (mptr < start_of_text))
1909 || ((headers_only != HEADERS_NONE) && (headers_only != HEADERS_ONLY))
1912 sprintf(&outbuf[outlen], "%s", nl);
1916 outbuf[outlen++] = ch;
1920 if (flags & ESC_DOT)
1922 if ((prev_ch == 10) && (ch == '.') && ((*(mptr+1) == 13) || (*(mptr+1) == 10)))
1924 outbuf[outlen++] = '.';
1929 if (outlen > 1000) {
1930 client_write(outbuf, outlen);
1935 client_write(outbuf, outlen);
1943 if (headers_only == HEADERS_ONLY) {
1947 /* signify start of msg text */
1948 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1949 if (do_proto) cprintf("text\n");
1952 /* If the format type on disk is 1 (fixed-format), then we want
1953 * everything to be output completely literally ... regardless of
1954 * what message transfer format is in use.
1956 if (TheMessage->cm_format_type == FMT_FIXED) {
1958 if (mode == MT_MIME) {
1959 cprintf("Content-type: text/plain\n\n");
1963 while (ch = *mptr++, ch > 0) {
1966 if ((ch == 10) || (buflen > 250)) {
1968 cprintf("%s%s", buf, nl);
1977 if (!IsEmptyStr(buf))
1978 cprintf("%s%s", buf, nl);
1981 /* If the message on disk is format 0 (Citadel vari-format), we
1982 * output using the formatter at 80 columns. This is the final output
1983 * form if the transfer format is RFC822, but if the transfer format
1984 * is Citadel proprietary, it'll still work, because the indentation
1985 * for new paragraphs is correct and the client will reformat the
1986 * message to the reader's screen width.
1988 if (TheMessage->cm_format_type == FMT_CITADEL) {
1989 if (mode == MT_MIME) {
1990 cprintf("Content-type: text/x-citadel-variformat\n\n");
1992 memfmout(mptr, 0, nl);
1995 /* If the message on disk is format 4 (MIME), we've gotta hand it
1996 * off to the MIME parser. The client has already been told that
1997 * this message is format 1 (fixed format), so the callback function
1998 * we use will display those parts as-is.
2000 if (TheMessage->cm_format_type == FMT_RFC822) {
2001 memset(&ma, 0, sizeof(struct ma_info));
2003 if (mode == MT_MIME) {
2004 ma.use_fo_hooks = 0;
2005 strcpy(ma.chosen_part, "1");
2006 ma.chosen_pref = 9999;
2007 mime_parser(mptr, NULL,
2008 *choose_preferred, *fixed_output_pre,
2009 *fixed_output_post, (void *)&ma, 0);
2010 mime_parser(mptr, NULL,
2011 *output_preferred, NULL, NULL, (void *)&ma, CC->msg4_dont_decode);
2014 ma.use_fo_hooks = 1;
2015 mime_parser(mptr, NULL,
2016 *fixed_output, *fixed_output_pre,
2017 *fixed_output_post, (void *)&ma, 0);
2022 DONE: /* now we're done */
2023 if (do_proto) cprintf("000\n");
2030 * display a message (mode 0 - Citadel proprietary)
2032 void cmd_msg0(char *cmdbuf)
2035 int headers_only = HEADERS_ALL;
2037 msgid = extract_long(cmdbuf, 0);
2038 headers_only = extract_int(cmdbuf, 1);
2040 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2046 * display a message (mode 2 - RFC822)
2048 void cmd_msg2(char *cmdbuf)
2051 int headers_only = HEADERS_ALL;
2053 msgid = extract_long(cmdbuf, 0);
2054 headers_only = extract_int(cmdbuf, 1);
2056 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2062 * display a message (mode 3 - IGnet raw format - internal programs only)
2064 void cmd_msg3(char *cmdbuf)
2067 struct CtdlMessage *msg = NULL;
2070 if (CC->internal_pgm == 0) {
2071 cprintf("%d This command is for internal programs only.\n",
2072 ERROR + HIGHER_ACCESS_REQUIRED);
2076 msgnum = extract_long(cmdbuf, 0);
2077 msg = CtdlFetchMessage(msgnum, 1);
2079 cprintf("%d Message %ld not found.\n",
2080 ERROR + MESSAGE_NOT_FOUND, msgnum);
2084 serialize_message(&smr, msg);
2085 CtdlFreeMessage(msg);
2088 cprintf("%d Unable to serialize message\n",
2089 ERROR + INTERNAL_ERROR);
2093 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2094 client_write((char *)smr.ser, (int)smr.len);
2101 * Display a message using MIME content types
2103 void cmd_msg4(char *cmdbuf)
2108 msgid = extract_long(cmdbuf, 0);
2109 extract_token(section, cmdbuf, 1, '|', sizeof section);
2110 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2116 * Client tells us its preferred message format(s)
2118 void cmd_msgp(char *cmdbuf)
2120 if (!strcasecmp(cmdbuf, "dont_decode")) {
2121 CC->msg4_dont_decode = 1;
2122 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2125 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2126 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2132 * Open a component of a MIME message as a download file
2134 void cmd_opna(char *cmdbuf)
2137 char desired_section[128];
2139 msgid = extract_long(cmdbuf, 0);
2140 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2141 safestrncpy(CC->download_desired_section, desired_section,
2142 sizeof CC->download_desired_section);
2143 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2148 * Open a component of a MIME message and transmit it all at once
2150 void cmd_dlat(char *cmdbuf)
2153 char desired_section[128];
2155 msgid = extract_long(cmdbuf, 0);
2156 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2157 safestrncpy(CC->download_desired_section, desired_section,
2158 sizeof CC->download_desired_section);
2159 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2164 * Save one or more message pointers into a specified room
2165 * (Returns 0 for success, nonzero for failure)
2166 * roomname may be NULL to use the current room
2168 * Note that the 'supplied_msg' field may be set to NULL, in which case
2169 * the message will be fetched from disk, by number, if we need to perform
2170 * replication checks. This adds an additional database read, so if the
2171 * caller already has the message in memory then it should be supplied. (Obviously
2172 * this mode of operation only works if we're saving a single message.)
2174 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2175 int do_repl_check, struct CtdlMessage *supplied_msg)
2178 char hold_rm[ROOMNAMELEN];
2179 struct cdbdata *cdbfr;
2182 long highest_msg = 0L;
2185 struct CtdlMessage *msg = NULL;
2187 long *msgs_to_be_merged = NULL;
2188 int num_msgs_to_be_merged = 0;
2190 CtdlLogPrintf(CTDL_DEBUG,
2191 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d)\n",
2192 roomname, num_newmsgs, do_repl_check);
2194 strcpy(hold_rm, CC->room.QRname);
2197 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2198 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2199 if (num_newmsgs > 1) supplied_msg = NULL;
2201 /* Now the regular stuff */
2202 if (lgetroom(&CC->room,
2203 ((roomname != NULL) ? roomname : CC->room.QRname) )
2205 CtdlLogPrintf(CTDL_ERR, "No such room <%s>\n", roomname);
2206 return(ERROR + ROOM_NOT_FOUND);
2210 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2211 num_msgs_to_be_merged = 0;
2214 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2215 if (cdbfr == NULL) {
2219 msglist = (long *) cdbfr->ptr;
2220 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2221 num_msgs = cdbfr->len / sizeof(long);
2226 /* Create a list of msgid's which were supplied by the caller, but do
2227 * not already exist in the target room. It is absolutely taboo to
2228 * have more than one reference to the same message in a room.
2230 for (i=0; i<num_newmsgs; ++i) {
2232 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2233 if (msglist[j] == newmsgidlist[i]) {
2238 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2242 CtdlLogPrintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2245 * Now merge the new messages
2247 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2248 if (msglist == NULL) {
2249 CtdlLogPrintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2251 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2252 num_msgs += num_msgs_to_be_merged;
2254 /* Sort the message list, so all the msgid's are in order */
2255 num_msgs = sort_msglist(msglist, num_msgs);
2257 /* Determine the highest message number */
2258 highest_msg = msglist[num_msgs - 1];
2260 /* Write it back to disk. */
2261 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2262 msglist, (int)(num_msgs * sizeof(long)));
2264 /* Free up the memory we used. */
2267 /* Update the highest-message pointer and unlock the room. */
2268 CC->room.QRhighest = highest_msg;
2269 lputroom(&CC->room);
2271 /* Perform replication checks if necessary */
2272 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2273 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2275 for (i=0; i<num_msgs_to_be_merged; ++i) {
2276 msgid = msgs_to_be_merged[i];
2278 if (supplied_msg != NULL) {
2282 msg = CtdlFetchMessage(msgid, 0);
2286 ReplicationChecks(msg);
2288 /* If the message has an Exclusive ID, index that... */
2289 if (msg->cm_fields['E'] != NULL) {
2290 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2293 /* Free up the memory we may have allocated */
2294 if (msg != supplied_msg) {
2295 CtdlFreeMessage(msg);
2303 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2306 /* Submit this room for processing by hooks */
2307 PerformRoomHooks(&CC->room);
2309 /* Go back to the room we were in before we wandered here... */
2310 getroom(&CC->room, hold_rm);
2312 /* Bump the reference count for all messages which were merged */
2313 for (i=0; i<num_msgs_to_be_merged; ++i) {
2314 AdjRefCount(msgs_to_be_merged[i], +1);
2317 /* Free up memory... */
2318 if (msgs_to_be_merged != NULL) {
2319 free(msgs_to_be_merged);
2322 /* Return success. */
2328 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2331 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2332 int do_repl_check, struct CtdlMessage *supplied_msg)
2334 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg);
2341 * Message base operation to save a new message to the message store
2342 * (returns new message number)
2344 * This is the back end for CtdlSubmitMsg() and should not be directly
2345 * called by server-side modules.
2348 long send_message(struct CtdlMessage *msg) {
2356 /* Get a new message number */
2357 newmsgid = get_new_message_number();
2358 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2360 /* Generate an ID if we don't have one already */
2361 if (msg->cm_fields['I']==NULL) {
2362 msg->cm_fields['I'] = strdup(msgidbuf);
2365 /* If the message is big, set its body aside for storage elsewhere */
2366 if (msg->cm_fields['M'] != NULL) {
2367 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2369 holdM = msg->cm_fields['M'];
2370 msg->cm_fields['M'] = NULL;
2374 /* Serialize our data structure for storage in the database */
2375 serialize_message(&smr, msg);
2378 msg->cm_fields['M'] = holdM;
2382 cprintf("%d Unable to serialize message\n",
2383 ERROR + INTERNAL_ERROR);
2387 /* Write our little bundle of joy into the message base */
2388 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2389 smr.ser, smr.len) < 0) {
2390 CtdlLogPrintf(CTDL_ERR, "Can't store message\n");
2394 cdb_store(CDB_BIGMSGS,
2404 /* Free the memory we used for the serialized message */
2407 /* Return the *local* message ID to the caller
2408 * (even if we're storing an incoming network message)
2416 * Serialize a struct CtdlMessage into the format used on disk and network.
2418 * This function loads up a "struct ser_ret" (defined in server.h) which
2419 * contains the length of the serialized message and a pointer to the
2420 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2422 void serialize_message(struct ser_ret *ret, /* return values */
2423 struct CtdlMessage *msg) /* unserialized msg */
2425 size_t wlen, fieldlen;
2427 static char *forder = FORDER;
2430 * Check for valid message format
2432 if (is_valid_message(msg) == 0) {
2433 CtdlLogPrintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2440 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2441 ret->len = ret->len +
2442 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2444 ret->ser = malloc(ret->len);
2445 if (ret->ser == NULL) {
2446 CtdlLogPrintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2447 (long)ret->len, strerror(errno));
2454 ret->ser[1] = msg->cm_anon_type;
2455 ret->ser[2] = msg->cm_format_type;
2458 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2459 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2460 ret->ser[wlen++] = (char)forder[i];
2461 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2462 wlen = wlen + fieldlen + 1;
2464 if (ret->len != wlen) CtdlLogPrintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2465 (long)ret->len, (long)wlen);
2472 * Serialize a struct CtdlMessage into the format used on disk and network.
2474 * This function loads up a "struct ser_ret" (defined in server.h) which
2475 * contains the length of the serialized message and a pointer to the
2476 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2478 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2479 long Siz) /* how many chars ? */
2483 static char *forder = FORDER;
2487 * Check for valid message format
2489 if (is_valid_message(msg) == 0) {
2490 CtdlLogPrintf(CTDL_ERR, "dump_message() aborting due to invalid message\n");
2494 buf = (char*) malloc (Siz + 1);
2498 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2499 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2500 msg->cm_fields[(int)forder[i]]);
2501 client_write (buf, strlen(buf));
2510 * Check to see if any messages already exist in the current room which
2511 * carry the same Exclusive ID as this one. If any are found, delete them.
2513 void ReplicationChecks(struct CtdlMessage *msg) {
2514 long old_msgnum = (-1L);
2516 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2518 CtdlLogPrintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2521 /* No exclusive id? Don't do anything. */
2522 if (msg == NULL) return;
2523 if (msg->cm_fields['E'] == NULL) return;
2524 if (IsEmptyStr(msg->cm_fields['E'])) return;
2525 /*CtdlLogPrintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2526 msg->cm_fields['E'], CC->room.QRname);*/
2528 old_msgnum = locate_message_by_euid(msg->cm_fields['E'], &CC->room);
2529 if (old_msgnum > 0L) {
2530 CtdlLogPrintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2531 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2538 * Save a message to disk and submit it into the delivery system.
2540 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2541 struct recptypes *recps, /* recipients (if mail) */
2542 char *force, /* force a particular room? */
2543 int flags /* should the bessage be exported clean? */
2545 char submit_filename[128];
2546 char generated_timestamp[32];
2547 char hold_rm[ROOMNAMELEN];
2548 char actual_rm[ROOMNAMELEN];
2549 char force_room[ROOMNAMELEN];
2550 char content_type[SIZ]; /* We have to learn this */
2551 char recipient[SIZ];
2554 struct ctdluser userbuf;
2556 struct MetaData smi;
2557 FILE *network_fp = NULL;
2558 static int seqnum = 1;
2559 struct CtdlMessage *imsg = NULL;
2561 size_t instr_alloc = 0;
2563 char *hold_R, *hold_D;
2564 char *collected_addresses = NULL;
2565 struct addresses_to_be_filed *aptr = NULL;
2566 char *saved_rfc822_version = NULL;
2567 int qualified_for_journaling = 0;
2568 struct CitContext *CCC = CC; /* CachedCitContext - performance boost */
2570 CtdlLogPrintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2571 if (is_valid_message(msg) == 0) return(-1); /* self check */
2573 /* If this message has no timestamp, we take the liberty of
2574 * giving it one, right now.
2576 if (msg->cm_fields['T'] == NULL) {
2577 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2578 msg->cm_fields['T'] = strdup(generated_timestamp);
2581 /* If this message has no path, we generate one.
2583 if (msg->cm_fields['P'] == NULL) {
2584 if (msg->cm_fields['A'] != NULL) {
2585 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2586 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2587 if (isspace(msg->cm_fields['P'][a])) {
2588 msg->cm_fields['P'][a] = ' ';
2593 msg->cm_fields['P'] = strdup("unknown");
2597 if (force == NULL) {
2598 strcpy(force_room, "");
2601 strcpy(force_room, force);
2604 /* Learn about what's inside, because it's what's inside that counts */
2605 if (msg->cm_fields['M'] == NULL) {
2606 CtdlLogPrintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2610 switch (msg->cm_format_type) {
2612 strcpy(content_type, "text/x-citadel-variformat");
2615 strcpy(content_type, "text/plain");
2618 strcpy(content_type, "text/plain");
2619 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
2622 safestrncpy(content_type, &mptr[13], sizeof content_type);
2623 striplt(content_type);
2624 aptr = content_type;
2625 while (!IsEmptyStr(aptr)) {
2637 /* Goto the correct room */
2638 CtdlLogPrintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
2639 strcpy(hold_rm, CCC->room.QRname);
2640 strcpy(actual_rm, CCC->room.QRname);
2641 if (recps != NULL) {
2642 strcpy(actual_rm, SENTITEMS);
2645 /* If the user is a twit, move to the twit room for posting */
2647 if (CCC->user.axlevel == 2) {
2648 strcpy(hold_rm, actual_rm);
2649 strcpy(actual_rm, config.c_twitroom);
2650 CtdlLogPrintf(CTDL_DEBUG, "Diverting to twit room\n");
2654 /* ...or if this message is destined for Aide> then go there. */
2655 if (!IsEmptyStr(force_room)) {
2656 strcpy(actual_rm, force_room);
2659 CtdlLogPrintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2660 if (strcasecmp(actual_rm, CCC->room.QRname)) {
2661 /* getroom(&CCC->room, actual_rm); */
2662 usergoto(actual_rm, 0, 1, NULL, NULL);
2666 * If this message has no O (room) field, generate one.
2668 if (msg->cm_fields['O'] == NULL) {
2669 msg->cm_fields['O'] = strdup(CCC->room.QRname);
2672 /* Perform "before save" hooks (aborting if any return nonzero) */
2673 CtdlLogPrintf(CTDL_DEBUG, "Performing before-save hooks\n");
2674 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2677 * If this message has an Exclusive ID, and the room is replication
2678 * checking enabled, then do replication checks.
2680 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
2681 ReplicationChecks(msg);
2684 /* Save it to disk */
2685 CtdlLogPrintf(CTDL_DEBUG, "Saving to disk\n");
2686 newmsgid = send_message(msg);
2687 if (newmsgid <= 0L) return(-5);
2689 /* Write a supplemental message info record. This doesn't have to
2690 * be a critical section because nobody else knows about this message
2693 CtdlLogPrintf(CTDL_DEBUG, "Creating MetaData record\n");
2694 memset(&smi, 0, sizeof(struct MetaData));
2695 smi.meta_msgnum = newmsgid;
2696 smi.meta_refcount = 0;
2697 safestrncpy(smi.meta_content_type, content_type,
2698 sizeof smi.meta_content_type);
2701 * Measure how big this message will be when rendered as RFC822.
2702 * We do this for two reasons:
2703 * 1. We need the RFC822 length for the new metadata record, so the
2704 * POP and IMAP services don't have to calculate message lengths
2705 * while the user is waiting (multiplied by potentially hundreds
2706 * or thousands of messages).
2707 * 2. If journaling is enabled, we will need an RFC822 version of the
2708 * message to attach to the journalized copy.
2710 if (CCC->redirect_buffer != NULL) {
2711 CtdlLogPrintf(CTDL_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
2714 CCC->redirect_buffer = malloc(SIZ);
2715 CCC->redirect_len = 0;
2716 CCC->redirect_alloc = SIZ;
2717 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
2718 smi.meta_rfc822_length = CCC->redirect_len;
2719 saved_rfc822_version = CCC->redirect_buffer;
2720 CCC->redirect_buffer = NULL;
2721 CCC->redirect_len = 0;
2722 CCC->redirect_alloc = 0;
2726 /* Now figure out where to store the pointers */
2727 CtdlLogPrintf(CTDL_DEBUG, "Storing pointers\n");
2729 /* If this is being done by the networker delivering a private
2730 * message, we want to BYPASS saving the sender's copy (because there
2731 * is no local sender; it would otherwise go to the Trashcan).
2733 if ((!CCC->internal_pgm) || (recps == NULL)) {
2734 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2735 CtdlLogPrintf(CTDL_ERR, "ERROR saving message pointer!\n");
2736 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2740 /* For internet mail, drop a copy in the outbound queue room */
2742 if (recps->num_internet > 0) {
2743 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2746 /* If other rooms are specified, drop them there too. */
2748 if (recps->num_room > 0)
2749 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2750 extract_token(recipient, recps->recp_room, i,
2751 '|', sizeof recipient);
2752 CtdlLogPrintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2753 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2756 /* Bump this user's messages posted counter. */
2757 CtdlLogPrintf(CTDL_DEBUG, "Updating user\n");
2758 lgetuser(&CCC->user, CCC->curr_user);
2759 CCC->user.posted = CCC->user.posted + 1;
2760 lputuser(&CCC->user);
2762 /* If this is private, local mail, make a copy in the
2763 * recipient's mailbox and bump the reference count.
2766 if (recps->num_local > 0)
2767 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2768 extract_token(recipient, recps->recp_local, i,
2769 '|', sizeof recipient);
2770 CtdlLogPrintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2772 if (getuser(&userbuf, recipient) == 0) {
2773 // Add a flag so the Funambol module knows its mail
2774 msg->cm_fields['W'] = strdup(recipient);
2775 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2776 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2777 BumpNewMailCounter(userbuf.usernum);
2778 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
2779 /* Generate a instruction message for the Funambol notification
2780 * server, in the same style as the SMTP queue
2783 instr = malloc(instr_alloc);
2784 snprintf(instr, instr_alloc,
2785 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2787 SPOOLMIME, newmsgid, (long)time(NULL),
2788 msg->cm_fields['A'], msg->cm_fields['N']
2791 imsg = malloc(sizeof(struct CtdlMessage));
2792 memset(imsg, 0, sizeof(struct CtdlMessage));
2793 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2794 imsg->cm_anon_type = MES_NORMAL;
2795 imsg->cm_format_type = FMT_RFC822;
2796 imsg->cm_fields['A'] = strdup("Citadel");
2797 imsg->cm_fields['J'] = strdup("do not journal");
2798 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
2799 imsg->cm_fields['W'] = strdup(recipient);
2800 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
2801 CtdlFreeMessage(imsg);
2805 CtdlLogPrintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2806 CtdlSaveMsgPointerInRoom(config.c_aideroom,
2811 /* Perform "after save" hooks */
2812 CtdlLogPrintf(CTDL_DEBUG, "Performing after-save hooks\n");
2813 PerformMessageHooks(msg, EVT_AFTERSAVE);
2815 /* For IGnet mail, we have to save a new copy into the spooler for
2816 * each recipient, with the R and D fields set to the recipient and
2817 * destination-node. This has two ugly side effects: all other
2818 * recipients end up being unlisted in this recipient's copy of the
2819 * message, and it has to deliver multiple messages to the same
2820 * node. We'll revisit this again in a year or so when everyone has
2821 * a network spool receiver that can handle the new style messages.
2824 if (recps->num_ignet > 0)
2825 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2826 extract_token(recipient, recps->recp_ignet, i,
2827 '|', sizeof recipient);
2829 hold_R = msg->cm_fields['R'];
2830 hold_D = msg->cm_fields['D'];
2831 msg->cm_fields['R'] = malloc(SIZ);
2832 msg->cm_fields['D'] = malloc(128);
2833 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
2834 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
2836 serialize_message(&smr, msg);
2838 snprintf(submit_filename, sizeof submit_filename,
2839 "%s/netmail.%04lx.%04x.%04x",
2841 (long) getpid(), CCC->cs_pid, ++seqnum);
2842 network_fp = fopen(submit_filename, "wb+");
2843 if (network_fp != NULL) {
2844 fwrite(smr.ser, smr.len, 1, network_fp);
2850 free(msg->cm_fields['R']);
2851 free(msg->cm_fields['D']);
2852 msg->cm_fields['R'] = hold_R;
2853 msg->cm_fields['D'] = hold_D;
2856 /* Go back to the room we started from */
2857 CtdlLogPrintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2858 if (strcasecmp(hold_rm, CCC->room.QRname))
2859 usergoto(hold_rm, 0, 1, NULL, NULL);
2861 /* For internet mail, generate delivery instructions.
2862 * Yes, this is recursive. Deal with it. Infinite recursion does
2863 * not happen because the delivery instructions message does not
2864 * contain a recipient.
2867 if (recps->num_internet > 0) {
2868 CtdlLogPrintf(CTDL_DEBUG, "Generating delivery instructions\n");
2870 instr = malloc(instr_alloc);
2871 snprintf(instr, instr_alloc,
2872 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2874 SPOOLMIME, newmsgid, (long)time(NULL),
2875 msg->cm_fields['A'], msg->cm_fields['N']
2878 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2879 size_t tmp = strlen(instr);
2880 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
2881 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
2882 instr_alloc = instr_alloc * 2;
2883 instr = realloc(instr, instr_alloc);
2885 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
2888 imsg = malloc(sizeof(struct CtdlMessage));
2889 memset(imsg, 0, sizeof(struct CtdlMessage));
2890 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2891 imsg->cm_anon_type = MES_NORMAL;
2892 imsg->cm_format_type = FMT_RFC822;
2893 imsg->cm_fields['A'] = strdup("Citadel");
2894 imsg->cm_fields['J'] = strdup("do not journal");
2895 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
2896 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
2897 CtdlFreeMessage(imsg);
2901 * Any addresses to harvest for someone's address book?
2903 if ( (CCC->logged_in) && (recps != NULL) ) {
2904 collected_addresses = harvest_collected_addresses(msg);
2907 if (collected_addresses != NULL) {
2908 begin_critical_section(S_ATBF);
2909 aptr = (struct addresses_to_be_filed *)
2910 malloc(sizeof(struct addresses_to_be_filed));
2912 MailboxName(actual_rm, sizeof actual_rm,
2913 &CCC->user, USERCONTACTSROOM);
2914 aptr->roomname = strdup(actual_rm);
2915 aptr->collected_addresses = collected_addresses;
2917 end_critical_section(S_ATBF);
2921 * Determine whether this message qualifies for journaling.
2923 if (msg->cm_fields['J'] != NULL) {
2924 qualified_for_journaling = 0;
2927 if (recps == NULL) {
2928 qualified_for_journaling = config.c_journal_pubmsgs;
2930 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
2931 qualified_for_journaling = config.c_journal_email;
2934 qualified_for_journaling = config.c_journal_pubmsgs;
2939 * Do we have to perform journaling? If so, hand off the saved
2940 * RFC822 version will be handed off to the journaler for background
2941 * submit. Otherwise, we have to free the memory ourselves.
2943 if (saved_rfc822_version != NULL) {
2944 if (qualified_for_journaling) {
2945 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
2948 free(saved_rfc822_version);
2961 * Convenience function for generating small administrative messages.
2963 void quickie_message(char *from, char *fromaddr, char *to, char *room, char *text,
2964 int format_type, char *subject)
2966 struct CtdlMessage *msg;
2967 struct recptypes *recp = NULL;
2969 msg = malloc(sizeof(struct CtdlMessage));
2970 memset(msg, 0, sizeof(struct CtdlMessage));
2971 msg->cm_magic = CTDLMESSAGE_MAGIC;
2972 msg->cm_anon_type = MES_NORMAL;
2973 msg->cm_format_type = format_type;
2976 msg->cm_fields['A'] = strdup(from);
2978 else if (fromaddr != NULL) {
2979 msg->cm_fields['A'] = strdup(fromaddr);
2980 if (strchr(msg->cm_fields['A'], '@')) {
2981 *strchr(msg->cm_fields['A'], '@') = 0;
2985 msg->cm_fields['A'] = strdup("Citadel");
2988 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
2989 if (room != NULL) msg->cm_fields['O'] = strdup(room);
2990 msg->cm_fields['N'] = strdup(NODENAME);
2992 msg->cm_fields['R'] = strdup(to);
2993 recp = validate_recipients(to, NULL, 0);
2995 if (subject != NULL) {
2996 msg->cm_fields['U'] = strdup(subject);
2998 msg->cm_fields['M'] = strdup(text);
3000 CtdlSubmitMsg(msg, recp, room, 0);
3001 CtdlFreeMessage(msg);
3002 if (recp != NULL) free_recipients(recp);
3008 * Back end function used by CtdlMakeMessage() and similar functions
3010 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3011 size_t maxlen, /* maximum message length */
3012 char *exist, /* if non-null, append to it;
3013 exist is ALWAYS freed */
3014 int crlf, /* CRLF newlines instead of LF */
3015 int sock /* socket handle or 0 for this session's client socket */
3019 size_t message_len = 0;
3020 size_t buffer_len = 0;
3027 if (exist == NULL) {
3034 message_len = strlen(exist);
3035 buffer_len = message_len + 4096;
3036 m = realloc(exist, buffer_len);
3043 /* Do we need to change leading ".." to "." for SMTP escaping? */
3044 if (!strcmp(terminator, ".")) {
3048 /* flush the input if we have nowhere to store it */
3053 /* read in the lines of message text one by one */
3056 if (sock_getln(sock, buf, (sizeof buf - 3)) < 0) finished = 1;
3059 if (client_getln(buf, (sizeof buf - 3)) < 1) finished = 1;
3061 if (!strcmp(buf, terminator)) finished = 1;
3063 strcat(buf, "\r\n");
3069 /* Unescape SMTP-style input of two dots at the beginning of the line */
3071 if (!strncmp(buf, "..", 2)) {
3072 strcpy(buf, &buf[1]);
3076 if ( (!flushing) && (!finished) ) {
3077 /* Measure the line */
3078 linelen = strlen(buf);
3080 /* augment the buffer if we have to */
3081 if ((message_len + linelen) >= buffer_len) {
3082 ptr = realloc(m, (buffer_len * 2) );
3083 if (ptr == NULL) { /* flush if can't allocate */
3086 buffer_len = (buffer_len * 2);
3088 CtdlLogPrintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
3092 /* Add the new line to the buffer. NOTE: this loop must avoid
3093 * using functions like strcat() and strlen() because they
3094 * traverse the entire buffer upon every call, and doing that
3095 * for a multi-megabyte message slows it down beyond usability.
3097 strcpy(&m[message_len], buf);
3098 message_len += linelen;
3101 /* if we've hit the max msg length, flush the rest */
3102 if (message_len >= maxlen) flushing = 1;
3104 } while (!finished);
3112 * Build a binary message to be saved on disk.
3113 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3114 * will become part of the message. This means you are no longer
3115 * responsible for managing that memory -- it will be freed along with
3116 * the rest of the fields when CtdlFreeMessage() is called.)
3119 struct CtdlMessage *CtdlMakeMessage(
3120 struct ctdluser *author, /* author's user structure */
3121 char *recipient, /* NULL if it's not mail */
3122 char *recp_cc, /* NULL if it's not mail */
3123 char *room, /* room where it's going */
3124 int type, /* see MES_ types in header file */
3125 int format_type, /* variformat, plain text, MIME... */
3126 char *fake_name, /* who we're masquerading as */
3127 char *my_email, /* which of my email addresses to use (empty is ok) */
3128 char *subject, /* Subject (optional) */
3129 char *supplied_euid, /* ...or NULL if this is irrelevant */
3130 char *preformatted_text, /* ...or NULL to read text from client */
3131 char *references /* Thread references */
3133 char dest_node[256];
3135 struct CtdlMessage *msg;
3137 msg = malloc(sizeof(struct CtdlMessage));
3138 memset(msg, 0, sizeof(struct CtdlMessage));
3139 msg->cm_magic = CTDLMESSAGE_MAGIC;
3140 msg->cm_anon_type = type;
3141 msg->cm_format_type = format_type;
3143 /* Don't confuse the poor folks if it's not routed mail. */
3144 strcpy(dest_node, "");
3149 /* Path or Return-Path */
3150 if (my_email == NULL) my_email = "";
3152 if (!IsEmptyStr(my_email)) {
3153 msg->cm_fields['P'] = strdup(my_email);
3156 snprintf(buf, sizeof buf, "%s", author->fullname);
3157 msg->cm_fields['P'] = strdup(buf);
3159 convert_spaces_to_underscores(msg->cm_fields['P']);
3161 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3162 msg->cm_fields['T'] = strdup(buf);
3164 if (fake_name[0]) /* author */
3165 msg->cm_fields['A'] = strdup(fake_name);
3167 msg->cm_fields['A'] = strdup(author->fullname);
3169 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3170 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3173 msg->cm_fields['O'] = strdup(CC->room.QRname);
3176 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3177 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3179 if (recipient[0] != 0) {
3180 msg->cm_fields['R'] = strdup(recipient);
3182 if (recp_cc[0] != 0) {
3183 msg->cm_fields['Y'] = strdup(recp_cc);
3185 if (dest_node[0] != 0) {
3186 msg->cm_fields['D'] = strdup(dest_node);
3189 if (!IsEmptyStr(my_email)) {
3190 msg->cm_fields['F'] = strdup(my_email);
3192 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3193 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3196 if (subject != NULL) {
3199 length = strlen(subject);
3205 while ((subject[i] != '\0') &&
3206 (IsAscii = isascii(subject[i]) != 0 ))
3209 msg->cm_fields['U'] = strdup(subject);
3210 else /* ok, we've got utf8 in the string. */
3212 msg->cm_fields['U'] = rfc2047encode(subject, length);
3218 if (supplied_euid != NULL) {
3219 msg->cm_fields['E'] = strdup(supplied_euid);
3222 if (references != NULL) {
3223 if (!IsEmptyStr(references)) {
3224 msg->cm_fields['W'] = strdup(references);
3228 if (preformatted_text != NULL) {
3229 msg->cm_fields['M'] = preformatted_text;
3232 msg->cm_fields['M'] = CtdlReadMessageBody("000", config.c_maxmsglen, NULL, 0, 0);
3240 * Check to see whether we have permission to post a message in the current
3241 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3242 * returns 0 on success.
3244 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf,
3246 const char* RemoteIdentifier,
3250 if (!(CC->logged_in) &&
3251 (PostPublic == POST_LOGGED_IN)) {
3252 snprintf(errmsgbuf, n, "Not logged in.");
3253 return (ERROR + NOT_LOGGED_IN);
3255 else if (PostPublic == CHECK_EXISTANCE) {
3256 return (0); // We're Evaling whether a recipient exists
3258 else if (!(CC->logged_in)) {
3260 if ((CC->room.QRflags & QR_READONLY)) {
3261 snprintf(errmsgbuf, n, "Not logged in.");
3262 return (ERROR + NOT_LOGGED_IN);
3264 if (CC->room.QRflags2 & QR2_MODERATED) {
3265 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3266 return (ERROR + NOT_LOGGED_IN);
3268 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3273 if (RemoteIdentifier == NULL)
3275 snprintf(errmsgbuf, n, "Need sender to permit access.");
3276 return (ERROR + USERNAME_REQUIRED);
3279 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3280 begin_critical_section(S_NETCONFIGS);
3281 if (!read_spoolcontrol_file(&sc, filename))
3283 end_critical_section(S_NETCONFIGS);
3284 snprintf(errmsgbuf, n,
3285 "This mailing list only accepts posts from subscribers.");
3286 return (ERROR + NO_SUCH_USER);
3288 end_critical_section(S_NETCONFIGS);
3289 found = is_recipient (sc, RemoteIdentifier);
3290 free_spoolcontrol_struct(&sc);
3295 snprintf(errmsgbuf, n,
3296 "This mailing list only accepts posts from subscribers.");
3297 return (ERROR + NO_SUCH_USER);
3304 if ((CC->user.axlevel < 2)
3305 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3306 snprintf(errmsgbuf, n, "Need to be validated to enter "
3307 "(except in %s> to sysop)", MAILROOM);
3308 return (ERROR + HIGHER_ACCESS_REQUIRED);
3311 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3312 if (!(ra & UA_POSTALLOWED)) {
3313 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3314 return (ERROR + HIGHER_ACCESS_REQUIRED);
3317 strcpy(errmsgbuf, "Ok");
3323 * Check to see if the specified user has Internet mail permission
3324 * (returns nonzero if permission is granted)
3326 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3328 /* Do not allow twits to send Internet mail */
3329 if (who->axlevel <= 2) return(0);
3331 /* Globally enabled? */
3332 if (config.c_restrict == 0) return(1);
3334 /* User flagged ok? */
3335 if (who->flags & US_INTERNET) return(2);
3337 /* Aide level access? */
3338 if (who->axlevel >= 6) return(3);
3340 /* No mail for you! */
3346 * Validate recipients, count delivery types and errors, and handle aliasing
3347 * FIXME check for dupes!!!!!
3349 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3350 * were specified, or the number of addresses found invalid.
3352 * Caller needs to free the result using free_recipients()
3354 struct recptypes *validate_recipients(char *supplied_recipients,
3355 const char *RemoteIdentifier,
3357 struct recptypes *ret;
3358 char *recipients = NULL;
3359 char this_recp[256];
3360 char this_recp_cooked[256];
3366 struct ctdluser tempUS;
3367 struct ctdlroom tempQR;
3368 struct ctdlroom tempQR2;
3374 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3375 if (ret == NULL) return(NULL);
3377 /* Set all strings to null and numeric values to zero */
3378 memset(ret, 0, sizeof(struct recptypes));
3380 if (supplied_recipients == NULL) {
3381 recipients = strdup("");
3384 recipients = strdup(supplied_recipients);
3387 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3388 * actually need, but it's healthier for the heap than doing lots of tiny
3389 * realloc() calls instead.
3392 ret->errormsg = malloc(strlen(recipients) + 1024);
3393 ret->recp_local = malloc(strlen(recipients) + 1024);
3394 ret->recp_internet = malloc(strlen(recipients) + 1024);
3395 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3396 ret->recp_room = malloc(strlen(recipients) + 1024);
3397 ret->display_recp = malloc(strlen(recipients) + 1024);
3399 ret->errormsg[0] = 0;
3400 ret->recp_local[0] = 0;
3401 ret->recp_internet[0] = 0;
3402 ret->recp_ignet[0] = 0;
3403 ret->recp_room[0] = 0;
3404 ret->display_recp[0] = 0;
3406 ret->recptypes_magic = RECPTYPES_MAGIC;
3408 /* Change all valid separator characters to commas */
3409 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3410 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3411 recipients[i] = ',';
3415 /* Now start extracting recipients... */
3417 while (!IsEmptyStr(recipients)) {
3419 for (i=0; i<=strlen(recipients); ++i) {
3420 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3421 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3422 safestrncpy(this_recp, recipients, i+1);
3424 if (recipients[i] == ',') {
3425 strcpy(recipients, &recipients[i+1]);
3428 strcpy(recipients, "");
3435 if (IsEmptyStr(this_recp))
3437 CtdlLogPrintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3439 mailtype = alias(this_recp);
3440 mailtype = alias(this_recp);
3441 mailtype = alias(this_recp);
3443 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3444 if (this_recp[j]=='_') {
3445 this_recp_cooked[j] = ' ';
3448 this_recp_cooked[j] = this_recp[j];
3451 this_recp_cooked[j] = '\0';
3456 if (!strcasecmp(this_recp, "sysop")) {
3458 strcpy(this_recp, config.c_aideroom);
3459 if (!IsEmptyStr(ret->recp_room)) {
3460 strcat(ret->recp_room, "|");
3462 strcat(ret->recp_room, this_recp);
3464 else if ( (!strncasecmp(this_recp, "room_", 5))
3465 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
3467 /* Save room so we can restore it later */
3471 /* Check permissions to send mail to this room */
3472 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg,
3484 if (!IsEmptyStr(ret->recp_room)) {
3485 strcat(ret->recp_room, "|");
3487 strcat(ret->recp_room, &this_recp_cooked[5]);
3490 /* Restore room in case something needs it */
3494 else if (getuser(&tempUS, this_recp) == 0) {
3496 strcpy(this_recp, tempUS.fullname);
3497 if (!IsEmptyStr(ret->recp_local)) {
3498 strcat(ret->recp_local, "|");
3500 strcat(ret->recp_local, this_recp);
3502 else if (getuser(&tempUS, this_recp_cooked) == 0) {
3504 strcpy(this_recp, tempUS.fullname);
3505 if (!IsEmptyStr(ret->recp_local)) {
3506 strcat(ret->recp_local, "|");
3508 strcat(ret->recp_local, this_recp);
3516 /* Yes, you're reading this correctly: if the target
3517 * domain points back to the local system or an attached
3518 * Citadel directory, the address is invalid. That's
3519 * because if the address were valid, we would have
3520 * already translated it to a local address by now.
3522 if (IsDirectory(this_recp, 0)) {
3527 ++ret->num_internet;
3528 if (!IsEmptyStr(ret->recp_internet)) {
3529 strcat(ret->recp_internet, "|");
3531 strcat(ret->recp_internet, this_recp);
3536 if (!IsEmptyStr(ret->recp_ignet)) {
3537 strcat(ret->recp_ignet, "|");
3539 strcat(ret->recp_ignet, this_recp);
3547 if (IsEmptyStr(errmsg)) {
3548 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3551 snprintf(append, sizeof append, "%s", errmsg);
3553 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3554 if (!IsEmptyStr(ret->errormsg)) {
3555 strcat(ret->errormsg, "; ");
3557 strcat(ret->errormsg, append);
3561 if (IsEmptyStr(ret->display_recp)) {
3562 strcpy(append, this_recp);
3565 snprintf(append, sizeof append, ", %s", this_recp);
3567 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3568 strcat(ret->display_recp, append);
3573 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3574 ret->num_room + ret->num_error) == 0) {
3575 ret->num_error = (-1);
3576 strcpy(ret->errormsg, "No recipients specified.");
3579 CtdlLogPrintf(CTDL_DEBUG, "validate_recipients()\n");
3580 CtdlLogPrintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3581 CtdlLogPrintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3582 CtdlLogPrintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3583 CtdlLogPrintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3584 CtdlLogPrintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3592 * Destructor for struct recptypes
3594 void free_recipients(struct recptypes *valid) {
3596 if (valid == NULL) {
3600 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
3601 CtdlLogPrintf(CTDL_EMERG, "Attempt to call free_recipients() on some other data type!\n");
3605 if (valid->errormsg != NULL) free(valid->errormsg);
3606 if (valid->recp_local != NULL) free(valid->recp_local);
3607 if (valid->recp_internet != NULL) free(valid->recp_internet);
3608 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
3609 if (valid->recp_room != NULL) free(valid->recp_room);
3610 if (valid->display_recp != NULL) free(valid->display_recp);
3617 * message entry - mode 0 (normal)
3619 void cmd_ent0(char *entargs)
3625 char supplied_euid[128];
3627 int format_type = 0;
3628 char newusername[256];
3629 char newuseremail[256];
3630 struct CtdlMessage *msg;
3634 struct recptypes *valid = NULL;
3635 struct recptypes *valid_to = NULL;
3636 struct recptypes *valid_cc = NULL;
3637 struct recptypes *valid_bcc = NULL;
3639 int subject_required = 0;
3644 int newuseremail_ok = 0;
3645 char references[SIZ];
3650 post = extract_int(entargs, 0);
3651 extract_token(recp, entargs, 1, '|', sizeof recp);
3652 anon_flag = extract_int(entargs, 2);
3653 format_type = extract_int(entargs, 3);
3654 extract_token(subject, entargs, 4, '|', sizeof subject);
3655 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3656 do_confirm = extract_int(entargs, 6);
3657 extract_token(cc, entargs, 7, '|', sizeof cc);
3658 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3659 switch(CC->room.QRdefaultview) {
3662 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3665 supplied_euid[0] = 0;
3668 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
3669 extract_token(references, entargs, 11, '|', sizeof references);
3670 for (ptr=references; *ptr != 0; ++ptr) {
3671 if (*ptr == '!') *ptr = '|';
3674 /* first check to make sure the request is valid. */
3676 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg, NULL, POST_LOGGED_IN);
3679 cprintf("%d %s\n", err, errmsg);
3683 /* Check some other permission type things. */
3685 if (IsEmptyStr(newusername)) {
3686 strcpy(newusername, CC->user.fullname);
3688 if ( (CC->user.axlevel < 6)
3689 && (strcasecmp(newusername, CC->user.fullname))
3690 && (strcasecmp(newusername, CC->cs_inet_fn))
3692 cprintf("%d You don't have permission to author messages as '%s'.\n",
3693 ERROR + HIGHER_ACCESS_REQUIRED,
3700 if (IsEmptyStr(newuseremail)) {
3701 newuseremail_ok = 1;
3704 if (!IsEmptyStr(newuseremail)) {
3705 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
3706 newuseremail_ok = 1;
3708 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
3709 j = num_tokens(CC->cs_inet_other_emails, '|');
3710 for (i=0; i<j; ++i) {
3711 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
3712 if (!strcasecmp(newuseremail, buf)) {
3713 newuseremail_ok = 1;
3719 if (!newuseremail_ok) {
3720 cprintf("%d You don't have permission to author messages as '%s'.\n",
3721 ERROR + HIGHER_ACCESS_REQUIRED,
3727 CC->cs_flags |= CS_POSTING;
3729 /* In mailbox rooms we have to behave a little differently --
3730 * make sure the user has specified at least one recipient. Then
3731 * validate the recipient(s). We do this for the Mail> room, as
3732 * well as any room which has the "Mailbox" view set.
3735 if ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
3736 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
3738 if (CC->user.axlevel < 2) {
3739 strcpy(recp, "sysop");
3744 valid_to = validate_recipients(recp, NULL, 0);
3745 if (valid_to->num_error > 0) {
3746 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
3747 free_recipients(valid_to);
3751 valid_cc = validate_recipients(cc, NULL, 0);
3752 if (valid_cc->num_error > 0) {
3753 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
3754 free_recipients(valid_to);
3755 free_recipients(valid_cc);
3759 valid_bcc = validate_recipients(bcc, NULL, 0);
3760 if (valid_bcc->num_error > 0) {
3761 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
3762 free_recipients(valid_to);
3763 free_recipients(valid_cc);
3764 free_recipients(valid_bcc);
3768 /* Recipient required, but none were specified */
3769 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
3770 free_recipients(valid_to);
3771 free_recipients(valid_cc);
3772 free_recipients(valid_bcc);
3773 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
3777 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
3778 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
3779 cprintf("%d You do not have permission "
3780 "to send Internet mail.\n",
3781 ERROR + HIGHER_ACCESS_REQUIRED);
3782 free_recipients(valid_to);
3783 free_recipients(valid_cc);
3784 free_recipients(valid_bcc);
3789 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)
3790 && (CC->user.axlevel < 4) ) {
3791 cprintf("%d Higher access required for network mail.\n",
3792 ERROR + HIGHER_ACCESS_REQUIRED);
3793 free_recipients(valid_to);
3794 free_recipients(valid_cc);
3795 free_recipients(valid_bcc);
3799 if ((RESTRICT_INTERNET == 1)
3800 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
3801 && ((CC->user.flags & US_INTERNET) == 0)
3802 && (!CC->internal_pgm)) {
3803 cprintf("%d You don't have access to Internet mail.\n",
3804 ERROR + HIGHER_ACCESS_REQUIRED);
3805 free_recipients(valid_to);
3806 free_recipients(valid_cc);
3807 free_recipients(valid_bcc);
3813 /* Is this a room which has anonymous-only or anonymous-option? */
3814 anonymous = MES_NORMAL;
3815 if (CC->room.QRflags & QR_ANONONLY) {
3816 anonymous = MES_ANONONLY;
3818 if (CC->room.QRflags & QR_ANONOPT) {
3819 if (anon_flag == 1) { /* only if the user requested it */
3820 anonymous = MES_ANONOPT;
3824 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
3828 /* Recommend to the client that the use of a message subject is
3829 * strongly recommended in this room, if either the SUBJECTREQ flag
3830 * is set, or if there is one or more Internet email recipients.
3832 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
3833 if (valid_to) if (valid_to->num_internet > 0) subject_required = 1;
3834 if (valid_cc) if (valid_cc->num_internet > 0) subject_required = 1;
3835 if (valid_bcc) if (valid_bcc->num_internet > 0) subject_required = 1;
3837 /* If we're only checking the validity of the request, return
3838 * success without creating the message.
3841 cprintf("%d %s|%d\n", CIT_OK,
3842 ((valid_to != NULL) ? valid_to->display_recp : ""),
3844 free_recipients(valid_to);
3845 free_recipients(valid_cc);
3846 free_recipients(valid_bcc);
3850 /* We don't need these anymore because we'll do it differently below */
3851 free_recipients(valid_to);
3852 free_recipients(valid_cc);
3853 free_recipients(valid_bcc);
3855 /* Read in the message from the client. */
3857 cprintf("%d send message\n", START_CHAT_MODE);
3859 cprintf("%d send message\n", SEND_LISTING);
3862 msg = CtdlMakeMessage(&CC->user, recp, cc,
3863 CC->room.QRname, anonymous, format_type,
3864 newusername, newuseremail, subject,
3865 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
3868 /* Put together one big recipients struct containing to/cc/bcc all in
3869 * one. This is for the envelope.
3871 char *all_recps = malloc(SIZ * 3);
3872 strcpy(all_recps, recp);
3873 if (!IsEmptyStr(cc)) {
3874 if (!IsEmptyStr(all_recps)) {
3875 strcat(all_recps, ",");
3877 strcat(all_recps, cc);
3879 if (!IsEmptyStr(bcc)) {
3880 if (!IsEmptyStr(all_recps)) {
3881 strcat(all_recps, ",");
3883 strcat(all_recps, bcc);
3885 if (!IsEmptyStr(all_recps)) {
3886 valid = validate_recipients(all_recps, NULL, 0);
3894 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
3897 cprintf("%ld\n", msgnum);
3899 cprintf("Message accepted.\n");
3902 cprintf("Internal error.\n");
3904 if (msg->cm_fields['E'] != NULL) {
3905 cprintf("%s\n", msg->cm_fields['E']);
3912 CtdlFreeMessage(msg);
3914 if (valid != NULL) {
3915 free_recipients(valid);
3923 * API function to delete messages which match a set of criteria
3924 * (returns the actual number of messages deleted)
3926 int CtdlDeleteMessages(char *room_name, /* which room */
3927 long *dmsgnums, /* array of msg numbers to be deleted */
3928 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
3929 char *content_type /* or "" for any. regular expressions expected. */
3932 struct ctdlroom qrbuf;
3933 struct cdbdata *cdbfr;
3934 long *msglist = NULL;
3935 long *dellist = NULL;
3938 int num_deleted = 0;
3940 struct MetaData smi;
3943 int need_to_free_re = 0;
3945 if (content_type) if (!IsEmptyStr(content_type)) {
3946 regcomp(&re, content_type, 0);
3947 need_to_free_re = 1;
3949 CtdlLogPrintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
3950 room_name, num_dmsgnums, content_type);
3952 /* get room record, obtaining a lock... */
3953 if (lgetroom(&qrbuf, room_name) != 0) {
3954 CtdlLogPrintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
3956 if (need_to_free_re) regfree(&re);
3957 return (0); /* room not found */
3959 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
3961 if (cdbfr != NULL) {
3962 dellist = malloc(cdbfr->len);
3963 msglist = (long *) cdbfr->ptr;
3964 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
3965 num_msgs = cdbfr->len / sizeof(long);
3969 for (i = 0; i < num_msgs; ++i) {
3972 /* Set/clear a bit for each criterion */
3974 /* 0 messages in the list or a null list means that we are
3975 * interested in deleting any messages which meet the other criteria.
3977 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
3978 delete_this |= 0x01;
3981 for (j=0; j<num_dmsgnums; ++j) {
3982 if (msglist[i] == dmsgnums[j]) {
3983 delete_this |= 0x01;
3988 if (IsEmptyStr(content_type)) {
3989 delete_this |= 0x02;
3991 GetMetaData(&smi, msglist[i]);
3992 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
3993 delete_this |= 0x02;
3997 /* Delete message only if all bits are set */
3998 if (delete_this == 0x03) {
3999 dellist[num_deleted++] = msglist[i];
4004 num_msgs = sort_msglist(msglist, num_msgs);
4005 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4006 msglist, (int)(num_msgs * sizeof(long)));
4008 qrbuf.QRhighest = msglist[num_msgs - 1];
4012 /* Go through the messages we pulled out of the index, and decrement
4013 * their reference counts by 1. If this is the only room the message
4014 * was in, the reference count will reach zero and the message will
4015 * automatically be deleted from the database. We do this in a
4016 * separate pass because there might be plug-in hooks getting called,
4017 * and we don't want that happening during an S_ROOMS critical
4020 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4021 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4022 AdjRefCount(dellist[i], -1);
4025 /* Now free the memory we used, and go away. */
4026 if (msglist != NULL) free(msglist);
4027 if (dellist != NULL) free(dellist);
4028 CtdlLogPrintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
4029 if (need_to_free_re) regfree(&re);
4030 return (num_deleted);
4036 * Check whether the current user has permission to delete messages from
4037 * the current room (returns 1 for yes, 0 for no)
4039 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4041 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4042 if (ra & UA_DELETEALLOWED) return(1);
4050 * Delete message from current room
4052 void cmd_dele(char *args)
4061 extract_token(msgset, args, 0, '|', sizeof msgset);
4062 num_msgs = num_tokens(msgset, ',');
4064 cprintf("%d Nothing to do.\n", CIT_OK);
4068 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4069 cprintf("%d Higher access required.\n",
4070 ERROR + HIGHER_ACCESS_REQUIRED);
4075 * Build our message set to be moved/copied
4077 msgs = malloc(num_msgs * sizeof(long));
4078 for (i=0; i<num_msgs; ++i) {
4079 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4080 msgs[i] = atol(msgtok);
4083 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4087 cprintf("%d %d message%s deleted.\n", CIT_OK,
4088 num_deleted, ((num_deleted != 1) ? "s" : ""));
4090 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4096 * Back end API function for moves and deletes (multiple messages)
4098 int CtdlCopyMsgsToRoom(long *msgnums, int num_msgs, char *dest) {
4101 err = CtdlSaveMsgPointersInRoom(dest, msgnums, num_msgs, 1, NULL);
4102 if (err != 0) return(err);
4111 * move or copy a message to another room
4113 void cmd_move(char *args)
4120 char targ[ROOMNAMELEN];
4121 struct ctdlroom qtemp;
4128 extract_token(msgset, args, 0, '|', sizeof msgset);
4129 num_msgs = num_tokens(msgset, ',');
4131 cprintf("%d Nothing to do.\n", CIT_OK);
4135 extract_token(targ, args, 1, '|', sizeof targ);
4136 convert_room_name_macros(targ, sizeof targ);
4137 targ[ROOMNAMELEN - 1] = 0;
4138 is_copy = extract_int(args, 2);
4140 if (getroom(&qtemp, targ) != 0) {
4141 cprintf("%d '%s' does not exist.\n",
4142 ERROR + ROOM_NOT_FOUND, targ);
4146 getuser(&CC->user, CC->curr_user);
4147 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4149 /* Check for permission to perform this operation.
4150 * Remember: "CC->room" is source, "qtemp" is target.
4154 /* Aides can move/copy */
4155 if (CC->user.axlevel >= 6) permit = 1;
4157 /* Room aides can move/copy */
4158 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4160 /* Permit move/copy from personal rooms */
4161 if ((CC->room.QRflags & QR_MAILBOX)
4162 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4164 /* Permit only copy from public to personal room */
4166 && (!(CC->room.QRflags & QR_MAILBOX))
4167 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4169 /* Permit message removal from collaborative delete rooms */
4170 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4172 /* Users allowed to post into the target room may move into it too. */
4173 if ((CC->room.QRflags & QR_MAILBOX) &&
4174 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4176 /* User must have access to target room */
4177 if (!(ra & UA_KNOWN)) permit = 0;
4180 cprintf("%d Higher access required.\n",
4181 ERROR + HIGHER_ACCESS_REQUIRED);
4186 * Build our message set to be moved/copied
4188 msgs = malloc(num_msgs * sizeof(long));
4189 for (i=0; i<num_msgs; ++i) {
4190 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4191 msgs[i] = atol(msgtok);
4197 err = CtdlCopyMsgsToRoom(msgs, num_msgs, targ);
4199 cprintf("%d Cannot store message(s) in %s: error %d\n",
4205 /* Now delete the message from the source room,
4206 * if this is a 'move' rather than a 'copy' operation.
4209 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4213 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4219 * GetMetaData() - Get the supplementary record for a message
4221 void GetMetaData(struct MetaData *smibuf, long msgnum)
4224 struct cdbdata *cdbsmi;
4227 memset(smibuf, 0, sizeof(struct MetaData));
4228 smibuf->meta_msgnum = msgnum;
4229 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4231 /* Use the negative of the message number for its supp record index */
4232 TheIndex = (0L - msgnum);
4234 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4235 if (cdbsmi == NULL) {
4236 return; /* record not found; go with defaults */
4238 memcpy(smibuf, cdbsmi->ptr,
4239 ((cdbsmi->len > sizeof(struct MetaData)) ?
4240 sizeof(struct MetaData) : cdbsmi->len));
4247 * PutMetaData() - (re)write supplementary record for a message
4249 void PutMetaData(struct MetaData *smibuf)
4253 /* Use the negative of the message number for the metadata db index */
4254 TheIndex = (0L - smibuf->meta_msgnum);
4256 cdb_store(CDB_MSGMAIN,
4257 &TheIndex, (int)sizeof(long),
4258 smibuf, (int)sizeof(struct MetaData));
4263 * AdjRefCount - submit an adjustment to the reference count for a message.
4264 * (These are just queued -- we actually process them later.)
4266 void AdjRefCount(long msgnum, int incr)
4268 struct arcq new_arcq;
4270 begin_critical_section(S_SUPPMSGMAIN);
4271 if (arcfp == NULL) {
4272 arcfp = fopen(file_arcq, "ab+");
4274 end_critical_section(S_SUPPMSGMAIN);
4276 /* msgnum < 0 means that we're trying to close the file */
4278 CtdlLogPrintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
4279 begin_critical_section(S_SUPPMSGMAIN);
4280 if (arcfp != NULL) {
4284 end_critical_section(S_SUPPMSGMAIN);
4289 * If we can't open the queue, perform the operation synchronously.
4291 if (arcfp == NULL) {
4292 TDAP_AdjRefCount(msgnum, incr);
4296 new_arcq.arcq_msgnum = msgnum;
4297 new_arcq.arcq_delta = incr;
4298 fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4306 * TDAP_ProcessAdjRefCountQueue()
4308 * Process the queue of message count adjustments that was created by calls
4309 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4310 * for each one. This should be an "off hours" operation.
4312 int TDAP_ProcessAdjRefCountQueue(void)
4314 char file_arcq_temp[PATH_MAX];
4317 struct arcq arcq_rec;
4318 int num_records_processed = 0;
4320 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s2", file_arcq);
4322 begin_critical_section(S_SUPPMSGMAIN);
4323 if (arcfp != NULL) {
4328 r = link(file_arcq, file_arcq_temp);
4330 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4331 end_critical_section(S_SUPPMSGMAIN);
4332 return(num_records_processed);
4336 end_critical_section(S_SUPPMSGMAIN);
4338 fp = fopen(file_arcq_temp, "rb");
4340 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4341 return(num_records_processed);
4344 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4345 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4346 ++num_records_processed;
4350 r = unlink(file_arcq_temp);
4352 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4355 return(num_records_processed);
4361 * TDAP_AdjRefCount - adjust the reference count for a message.
4362 * This one does it "for real" because it's called by
4363 * the autopurger function that processes the queue
4364 * created by AdjRefCount(). If a message's reference
4365 * count becomes zero, we also delete the message from
4366 * disk and de-index it.
4368 void TDAP_AdjRefCount(long msgnum, int incr)
4371 struct MetaData smi;
4374 /* This is a *tight* critical section; please keep it that way, as
4375 * it may get called while nested in other critical sections.
4376 * Complicating this any further will surely cause deadlock!
4378 begin_critical_section(S_SUPPMSGMAIN);
4379 GetMetaData(&smi, msgnum);
4380 smi.meta_refcount += incr;
4382 end_critical_section(S_SUPPMSGMAIN);
4383 CtdlLogPrintf(CTDL_DEBUG, "msg %ld ref count delta %d, is now %d\n",
4384 msgnum, incr, smi.meta_refcount);
4386 /* If the reference count is now zero, delete the message
4387 * (and its supplementary record as well).
4389 if (smi.meta_refcount == 0) {
4390 CtdlLogPrintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
4392 /* Call delete hooks with NULL room to show it has gone altogether */
4393 PerformDeleteHooks(NULL, msgnum);
4395 /* Remove from message base */
4397 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4398 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4400 /* Remove metadata record */
4401 delnum = (0L - msgnum);
4402 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4408 * Write a generic object to this room
4410 * Note: this could be much more efficient. Right now we use two temporary
4411 * files, and still pull the message into memory as with all others.
4413 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4414 char *content_type, /* MIME type of this object */
4415 char *tempfilename, /* Where to fetch it from */
4416 struct ctdluser *is_mailbox, /* Mailbox room? */
4417 int is_binary, /* Is encoding necessary? */
4418 int is_unique, /* Del others of this type? */
4419 unsigned int flags /* Internal save flags */
4424 struct ctdlroom qrbuf;
4425 char roomname[ROOMNAMELEN];
4426 struct CtdlMessage *msg;
4428 char *raw_message = NULL;
4429 char *encoded_message = NULL;
4430 off_t raw_length = 0;
4432 if (is_mailbox != NULL) {
4433 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4436 safestrncpy(roomname, req_room, sizeof(roomname));
4439 fp = fopen(tempfilename, "rb");
4441 CtdlLogPrintf(CTDL_CRIT, "Cannot open %s: %s\n",
4442 tempfilename, strerror(errno));
4445 fseek(fp, 0L, SEEK_END);
4446 raw_length = ftell(fp);
4448 CtdlLogPrintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4450 raw_message = malloc((size_t)raw_length + 2);
4451 fread(raw_message, (size_t)raw_length, 1, fp);
4455 encoded_message = malloc((size_t)
4456 (((raw_length * 134) / 100) + 4096 ) );
4459 encoded_message = malloc((size_t)(raw_length + 4096));
4462 sprintf(encoded_message, "Content-type: %s\n", content_type);
4465 sprintf(&encoded_message[strlen(encoded_message)],
4466 "Content-transfer-encoding: base64\n\n"
4470 sprintf(&encoded_message[strlen(encoded_message)],
4471 "Content-transfer-encoding: 7bit\n\n"
4477 &encoded_message[strlen(encoded_message)],
4484 raw_message[raw_length] = 0;
4486 &encoded_message[strlen(encoded_message)],
4494 CtdlLogPrintf(CTDL_DEBUG, "Allocating\n");
4495 msg = malloc(sizeof(struct CtdlMessage));
4496 memset(msg, 0, sizeof(struct CtdlMessage));
4497 msg->cm_magic = CTDLMESSAGE_MAGIC;
4498 msg->cm_anon_type = MES_NORMAL;
4499 msg->cm_format_type = 4;
4500 msg->cm_fields['A'] = strdup(CC->user.fullname);
4501 msg->cm_fields['O'] = strdup(req_room);
4502 msg->cm_fields['N'] = strdup(config.c_nodename);
4503 msg->cm_fields['H'] = strdup(config.c_humannode);
4504 msg->cm_flags = flags;
4506 msg->cm_fields['M'] = encoded_message;
4508 /* Create the requested room if we have to. */
4509 if (getroom(&qrbuf, roomname) != 0) {
4510 create_room(roomname,
4511 ( (is_mailbox != NULL) ? 5 : 3 ),
4512 "", 0, 1, 0, VIEW_BBS);
4514 /* If the caller specified this object as unique, delete all
4515 * other objects of this type that are currently in the room.
4518 CtdlLogPrintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4519 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4522 /* Now write the data */
4523 CtdlSubmitMsg(msg, NULL, roomname, 0);
4524 CtdlFreeMessage(msg);
4532 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4533 config_msgnum = msgnum;
4537 char *CtdlGetSysConfig(char *sysconfname) {
4538 char hold_rm[ROOMNAMELEN];
4541 struct CtdlMessage *msg;
4544 strcpy(hold_rm, CC->room.QRname);
4545 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
4546 getroom(&CC->room, hold_rm);
4551 /* We want the last (and probably only) config in this room */
4552 begin_critical_section(S_CONFIG);
4553 config_msgnum = (-1L);
4554 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4555 CtdlGetSysConfigBackend, NULL);
4556 msgnum = config_msgnum;
4557 end_critical_section(S_CONFIG);
4563 msg = CtdlFetchMessage(msgnum, 1);
4565 conf = strdup(msg->cm_fields['M']);
4566 CtdlFreeMessage(msg);
4573 getroom(&CC->room, hold_rm);
4575 if (conf != NULL) do {
4576 extract_token(buf, conf, 0, '\n', sizeof buf);
4577 strcpy(conf, &conf[strlen(buf)+1]);
4578 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
4583 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4584 char temp[PATH_MAX];
4587 CtdlMakeTempFileName(temp, sizeof temp);
4589 fp = fopen(temp, "w");
4590 if (fp == NULL) return;
4591 fprintf(fp, "%s", sysconfdata);
4594 /* this handy API function does all the work for us */
4595 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
4601 * Determine whether a given Internet address belongs to the current user
4603 int CtdlIsMe(char *addr, int addr_buf_len)
4605 struct recptypes *recp;
4608 recp = validate_recipients(addr, NULL, 0);
4609 if (recp == NULL) return(0);
4611 if (recp->num_local == 0) {
4612 free_recipients(recp);
4616 for (i=0; i<recp->num_local; ++i) {
4617 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4618 if (!strcasecmp(addr, CC->user.fullname)) {
4619 free_recipients(recp);
4624 free_recipients(recp);
4630 * Citadel protocol command to do the same
4632 void cmd_isme(char *argbuf) {
4635 if (CtdlAccessCheck(ac_logged_in)) return;
4636 extract_token(addr, argbuf, 0, '|', sizeof addr);
4638 if (CtdlIsMe(addr, sizeof addr)) {
4639 cprintf("%d %s\n", CIT_OK, addr);
4642 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);