4 * Implements the message store.
18 #if TIME_WITH_SYS_TIME
19 # include <sys/time.h>
23 # include <sys/time.h>
38 #include "serv_extensions.h"
42 #include "sysdep_decls.h"
43 #include "citserver.h"
50 #include "mime_parser.h"
53 #include "internet_addressing.h"
54 #include "serv_fulltext.h"
56 #include "euidindex.h"
59 struct addresses_to_be_filed *atbf = NULL;
62 * This really belongs in serv_network.c, but I don't know how to export
63 * symbols between modules.
65 struct FilterList *filterlist = NULL;
69 * These are the four-character field headers we use when outputting
70 * messages in Citadel format (as opposed to RFC822 format).
73 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
74 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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,
107 * This function is self explanatory.
108 * (What can I say, I'm in a weird mood today...)
110 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
114 for (i = 0; i < strlen(name); ++i) {
115 if (name[i] == '@') {
116 while (isspace(name[i - 1]) && i > 0) {
117 strcpy(&name[i - 1], &name[i]);
120 while (isspace(name[i + 1])) {
121 strcpy(&name[i + 1], &name[i + 2]);
129 * Aliasing for network mail.
130 * (Error messages have been commented out, because this is a server.)
132 int alias(char *name)
133 { /* process alias and routing info for mail */
136 char aaa[SIZ], bbb[SIZ];
137 char *ignetcfg = NULL;
138 char *ignetmap = NULL;
145 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
153 "mail.aliases", "r");
155 fp = fopen("/dev/null", "r");
162 while (fgets(aaa, sizeof aaa, fp) != NULL) {
163 while (isspace(name[0]))
164 strcpy(name, &name[1]);
165 aaa[strlen(aaa) - 1] = 0;
167 for (a = 0; a < strlen(aaa); ++a) {
169 strcpy(bbb, &aaa[a + 1]);
173 if (!strcasecmp(name, aaa))
178 /* Hit the Global Address Book */
179 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
183 lprintf(CTDL_INFO, "Mail is being forwarded to %s\n", name);
185 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
186 for (a=0; a<strlen(name); ++a) {
187 if (name[a] == '@') {
188 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
190 lprintf(CTDL_INFO, "Changed to <%s>\n", name);
195 /* determine local or remote type, see citadel.h */
196 at = haschar(name, '@');
197 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
198 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
199 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
201 /* figure out the delivery mode */
202 extract_token(node, name, 1, '@', sizeof node);
204 /* If there are one or more dots in the nodename, we assume that it
205 * is an FQDN and will attempt SMTP delivery to the Internet.
207 if (haschar(node, '.') > 0) {
208 return(MES_INTERNET);
211 /* Otherwise we look in the IGnet maps for a valid Citadel node.
212 * Try directly-connected nodes first...
214 ignetcfg = CtdlGetSysConfig(IGNETCFG);
215 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
216 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
217 extract_token(testnode, buf, 0, '|', sizeof testnode);
218 if (!strcasecmp(node, testnode)) {
226 * Then try nodes that are two or more hops away.
228 ignetmap = CtdlGetSysConfig(IGNETMAP);
229 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
230 extract_token(buf, ignetmap, i, '\n', sizeof buf);
231 extract_token(testnode, buf, 0, '|', sizeof testnode);
232 if (!strcasecmp(node, testnode)) {
239 /* If we get to this point it's an invalid node name */
254 "/citadel.control", "r");
256 lprintf(CTDL_CRIT, "Cannot open citadel.control: %s\n",
260 fread((char *) &CitControl, sizeof(struct CitControl), 1, fp);
266 * Back end for the MSGS command: output message number only.
268 void simple_listing(long msgnum, void *userdata)
270 cprintf("%ld\n", msgnum);
276 * Back end for the MSGS command: output header summary.
278 void headers_listing(long msgnum, void *userdata)
280 struct CtdlMessage *msg;
282 msg = CtdlFetchMessage(msgnum, 0);
284 cprintf("%ld|0|||||\n", msgnum);
288 cprintf("%ld|%s|%s|%s|%s|%s|\n",
290 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
291 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
292 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
293 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
294 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
296 CtdlFreeMessage(msg);
301 /* Determine if a given message matches the fields in a message template.
302 * Return 0 for a successful match.
304 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
307 /* If there aren't any fields in the template, all messages will
310 if (template == NULL) return(0);
312 /* Null messages are bogus. */
313 if (msg == NULL) return(1);
315 for (i='A'; i<='Z'; ++i) {
316 if (template->cm_fields[i] != NULL) {
317 if (msg->cm_fields[i] == NULL) {
320 if (strcasecmp(msg->cm_fields[i],
321 template->cm_fields[i])) return 1;
325 /* All compares succeeded: we have a match! */
332 * Retrieve the "seen" message list for the current room.
334 void CtdlGetSeen(char *buf, int which_set) {
337 /* Learn about the user and room in question */
338 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
340 if (which_set == ctdlsetseen_seen)
341 safestrncpy(buf, vbuf.v_seen, SIZ);
342 if (which_set == ctdlsetseen_answered)
343 safestrncpy(buf, vbuf.v_answered, SIZ);
349 * Manipulate the "seen msgs" string (or other message set strings)
351 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
352 int target_setting, int which_set,
353 struct ctdluser *which_user, struct ctdlroom *which_room) {
354 struct cdbdata *cdbfr;
366 char *is_set; /* actually an array of booleans */
369 char setstr[SIZ], lostr[SIZ], histr[SIZ];
372 lprintf(CTDL_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %d, %d)\n",
373 num_target_msgnums, target_msgnums[0],
374 target_setting, which_set);
376 /* Learn about the user and room in question */
377 CtdlGetRelationship(&vbuf,
378 ((which_user != NULL) ? which_user : &CC->user),
379 ((which_room != NULL) ? which_room : &CC->room)
382 /* Load the message list */
383 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
385 msglist = (long *) cdbfr->ptr;
386 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
387 num_msgs = cdbfr->len / sizeof(long);
390 return; /* No messages at all? No further action. */
393 is_set = malloc(num_msgs * sizeof(char));
394 memset(is_set, 0, (num_msgs * sizeof(char)) );
396 /* Decide which message set we're manipulating */
398 case ctdlsetseen_seen:
399 safestrncpy(vset, vbuf.v_seen, sizeof vset);
401 case ctdlsetseen_answered:
402 safestrncpy(vset, vbuf.v_answered, sizeof vset);
406 /* lprintf(CTDL_DEBUG, "before optimize: %s\n", vset); */
408 /* Translate the existing sequence set into an array of booleans */
409 num_sets = num_tokens(vset, ',');
410 for (s=0; s<num_sets; ++s) {
411 extract_token(setstr, vset, s, ',', sizeof setstr);
413 extract_token(lostr, setstr, 0, ':', sizeof lostr);
414 if (num_tokens(setstr, ':') >= 2) {
415 extract_token(histr, setstr, 1, ':', sizeof histr);
416 if (!strcmp(histr, "*")) {
417 snprintf(histr, sizeof histr, "%ld", LONG_MAX);
421 strcpy(histr, lostr);
426 for (i = 0; i < num_msgs; ++i) {
427 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
433 /* Now translate the array of booleans back into a sequence set */
438 for (i=0; i<num_msgs; ++i) {
440 is_seen = is_set[i]; /* Default to existing setting */
442 for (k=0; k<num_target_msgnums; ++k) {
443 if (msglist[i] == target_msgnums[k]) {
444 is_seen = target_setting;
449 if (lo < 0L) lo = msglist[i];
453 if ( ((is_seen == 0) && (was_seen == 1))
454 || ((is_seen == 1) && (i == num_msgs-1)) ) {
456 /* begin trim-o-matic code */
459 while ( (strlen(vset) + 20) > sizeof vset) {
460 remove_token(vset, 0, ',');
462 if (j--) break; /* loop no more than 9 times */
464 if ( (trimming) && (which_set == ctdlsetseen_seen) ) {
468 snprintf(lostr, sizeof lostr,
469 "1:%ld,%s", t, vset);
470 safestrncpy(vset, lostr, sizeof vset);
472 /* end trim-o-matic code */
480 snprintf(&vset[tmp], (sizeof vset) - tmp,
484 snprintf(&vset[tmp], (sizeof vset) - tmp,
493 /* Decide which message set we're manipulating */
495 case ctdlsetseen_seen:
496 safestrncpy(vbuf.v_seen, vset, sizeof vbuf.v_seen);
498 case ctdlsetseen_answered:
499 safestrncpy(vbuf.v_answered, vset,
500 sizeof vbuf.v_answered);
505 /* lprintf(CTDL_DEBUG, " after optimize: %s\n", vset); */
507 CtdlSetRelationship(&vbuf,
508 ((which_user != NULL) ? which_user : &CC->user),
509 ((which_room != NULL) ? which_room : &CC->room)
515 * API function to perform an operation for each qualifying message in the
516 * current room. (Returns the number of messages processed.)
518 int CtdlForEachMessage(int mode, long ref,
520 struct CtdlMessage *compare,
521 void (*CallBack) (long, void *),
527 struct cdbdata *cdbfr;
528 long *msglist = NULL;
530 int num_processed = 0;
533 struct CtdlMessage *msg;
536 int printed_lastold = 0;
538 /* Learn about the user and room in question */
540 getuser(&CC->user, CC->curr_user);
541 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
543 /* Load the message list */
544 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
546 msglist = (long *) cdbfr->ptr;
547 cdbfr->ptr = NULL; /* CtdlForEachMessage() now owns this memory */
548 num_msgs = cdbfr->len / sizeof(long);
551 return 0; /* No messages at all? No further action. */
556 * Now begin the traversal.
558 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
560 /* If the caller is looking for a specific MIME type, filter
561 * out all messages which are not of the type requested.
563 if (content_type != NULL) if (strlen(content_type) > 0) {
565 /* This call to GetMetaData() sits inside this loop
566 * so that we only do the extra database read per msg
567 * if we need to. Doing the extra read all the time
568 * really kills the server. If we ever need to use
569 * metadata for another search criterion, we need to
570 * move the read somewhere else -- but still be smart
571 * enough to only do the read if the caller has
572 * specified something that will need it.
574 GetMetaData(&smi, msglist[a]);
576 if (strcasecmp(smi.meta_content_type, content_type)) {
582 num_msgs = sort_msglist(msglist, num_msgs);
584 /* If a template was supplied, filter out the messages which
585 * don't match. (This could induce some delays!)
588 if (compare != NULL) {
589 for (a = 0; a < num_msgs; ++a) {
590 msg = CtdlFetchMessage(msglist[a], 1);
592 if (CtdlMsgCmp(msg, compare)) {
595 CtdlFreeMessage(msg);
603 * Now iterate through the message list, according to the
604 * criteria supplied by the caller.
607 for (a = 0; a < num_msgs; ++a) {
608 thismsg = msglist[a];
609 if (mode == MSGS_ALL) {
613 is_seen = is_msg_in_sequence_set(
614 vbuf.v_seen, thismsg);
615 if (is_seen) lastold = thismsg;
621 || ((mode == MSGS_OLD) && (is_seen))
622 || ((mode == MSGS_NEW) && (!is_seen))
623 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
624 || ((mode == MSGS_FIRST) && (a < ref))
625 || ((mode == MSGS_GT) && (thismsg > ref))
626 || ((mode == MSGS_EQ) && (thismsg == ref))
629 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
631 CallBack(lastold, userdata);
635 if (CallBack) CallBack(thismsg, userdata);
639 free(msglist); /* Clean up */
640 return num_processed;
646 * cmd_msgs() - get list of message #'s in this room
647 * implements the MSGS server command using CtdlForEachMessage()
649 void cmd_msgs(char *cmdbuf)
658 int with_template = 0;
659 struct CtdlMessage *template = NULL;
660 int with_headers = 0;
662 extract_token(which, cmdbuf, 0, '|', sizeof which);
663 cm_ref = extract_int(cmdbuf, 1);
664 with_template = extract_int(cmdbuf, 2);
665 with_headers = extract_int(cmdbuf, 3);
669 if (!strncasecmp(which, "OLD", 3))
671 else if (!strncasecmp(which, "NEW", 3))
673 else if (!strncasecmp(which, "FIRST", 5))
675 else if (!strncasecmp(which, "LAST", 4))
677 else if (!strncasecmp(which, "GT", 2))
680 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
681 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
687 cprintf("%d Send template then receive message list\n",
689 template = (struct CtdlMessage *)
690 malloc(sizeof(struct CtdlMessage));
691 memset(template, 0, sizeof(struct CtdlMessage));
692 while(client_getln(buf, sizeof buf), strcmp(buf,"000")) {
693 extract_token(tfield, buf, 0, '|', sizeof tfield);
694 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
695 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
696 if (!strcasecmp(tfield, msgkeys[i])) {
697 template->cm_fields[i] =
705 cprintf("%d \n", LISTING_FOLLOWS);
708 CtdlForEachMessage(mode,
712 (with_headers ? headers_listing : simple_listing),
715 if (template != NULL) CtdlFreeMessage(template);
723 * help_subst() - support routine for help file viewer
725 void help_subst(char *strbuf, char *source, char *dest)
730 while (p = pattern2(strbuf, source), (p >= 0)) {
731 strcpy(workbuf, &strbuf[p + strlen(source)]);
732 strcpy(&strbuf[p], dest);
733 strcat(strbuf, workbuf);
738 void do_help_subst(char *buffer)
742 help_subst(buffer, "^nodename", config.c_nodename);
743 help_subst(buffer, "^humannode", config.c_humannode);
744 help_subst(buffer, "^fqdn", config.c_fqdn);
745 help_subst(buffer, "^username", CC->user.fullname);
746 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
747 help_subst(buffer, "^usernum", buf2);
748 help_subst(buffer, "^sysadm", config.c_sysadm);
749 help_subst(buffer, "^variantname", CITADEL);
750 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
751 help_subst(buffer, "^maxsessions", buf2);
752 help_subst(buffer, "^bbsdir", CTDLDIR);
758 * memfmout() - Citadel text formatter and paginator.
759 * Although the original purpose of this routine was to format
760 * text to the reader's screen width, all we're really using it
761 * for here is to format text out to 80 columns before sending it
762 * to the client. The client software may reformat it again.
765 int width, /* screen width to use */
766 char *mptr, /* where are we going to get our text from? */
767 char subst, /* nonzero if we should do substitutions */
768 char *nl) /* string to terminate lines with */
780 c = 1; /* c is the current pos */
784 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
786 buffer[strlen(buffer) + 1] = 0;
787 buffer[strlen(buffer)] = ch;
790 if (buffer[0] == '^')
791 do_help_subst(buffer);
793 buffer[strlen(buffer) + 1] = 0;
795 strcpy(buffer, &buffer[1]);
803 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
805 if (((old == 13) || (old == 10)) && (isspace(real))) {
813 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
814 cprintf("%s%s", nl, aaa);
823 if ((strlen(aaa) + c) > (width - 5)) {
832 if ((ch == 13) || (ch == 10)) {
833 cprintf("%s%s", aaa, nl);
840 cprintf("%s%s", aaa, nl);
846 * Callback function for mime parser that simply lists the part
848 void list_this_part(char *name, char *filename, char *partnum, char *disp,
849 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
854 ma = (struct ma_info *)cbuserdata;
855 if (ma->is_ma == 0) {
856 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
857 name, filename, partnum, disp, cbtype, (long)length);
862 * Callback function for multipart prefix
864 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
865 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
870 ma = (struct ma_info *)cbuserdata;
871 if (!strcasecmp(cbtype, "multipart/alternative")) {
875 if (ma->is_ma == 0) {
876 cprintf("pref=%s|%s\n", partnum, cbtype);
881 * Callback function for multipart sufffix
883 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
884 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
889 ma = (struct ma_info *)cbuserdata;
890 if (ma->is_ma == 0) {
891 cprintf("suff=%s|%s\n", partnum, cbtype);
893 if (!strcasecmp(cbtype, "multipart/alternative")) {
900 * Callback function for mime parser that opens a section for downloading
902 void mime_download(char *name, char *filename, char *partnum, char *disp,
903 void *content, char *cbtype, char *cbcharset, size_t length,
904 char *encoding, void *cbuserdata)
907 /* Silently go away if there's already a download open... */
908 if (CC->download_fp != NULL)
911 /* ...or if this is not the desired section */
912 if (strcasecmp(CC->download_desired_section, partnum))
915 CC->download_fp = tmpfile();
916 if (CC->download_fp == NULL)
919 fwrite(content, length, 1, CC->download_fp);
920 fflush(CC->download_fp);
921 rewind(CC->download_fp);
923 OpenCmdResult(filename, cbtype);
929 * Load a message from disk into memory.
930 * This is used by CtdlOutputMsg() and other fetch functions.
932 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
933 * using the CtdlMessageFree() function.
935 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
937 struct cdbdata *dmsgtext;
938 struct CtdlMessage *ret = NULL;
942 cit_uint8_t field_header;
944 lprintf(CTDL_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
946 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
947 if (dmsgtext == NULL) {
950 mptr = dmsgtext->ptr;
951 upper_bound = mptr + dmsgtext->len;
953 /* Parse the three bytes that begin EVERY message on disk.
954 * The first is always 0xFF, the on-disk magic number.
955 * The second is the anonymous/public type byte.
956 * The third is the format type byte (vari, fixed, or MIME).
961 "Message %ld appears to be corrupted.\n",
966 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
967 memset(ret, 0, sizeof(struct CtdlMessage));
969 ret->cm_magic = CTDLMESSAGE_MAGIC;
970 ret->cm_anon_type = *mptr++; /* Anon type byte */
971 ret->cm_format_type = *mptr++; /* Format type byte */
974 * The rest is zero or more arbitrary fields. Load them in.
975 * We're done when we encounter either a zero-length field or
976 * have just processed the 'M' (message text) field.
979 if (mptr >= upper_bound) {
982 field_header = *mptr++;
983 ret->cm_fields[field_header] = strdup(mptr);
985 while (*mptr++ != 0); /* advance to next field */
987 } while ((mptr < upper_bound) && (field_header != 'M'));
991 /* Always make sure there's something in the msg text field. If
992 * it's NULL, the message text is most likely stored separately,
993 * so go ahead and fetch that. Failing that, just set a dummy
994 * body so other code doesn't barf.
996 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
997 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
998 if (dmsgtext != NULL) {
999 ret->cm_fields['M'] = strdup(dmsgtext->ptr);
1003 if (ret->cm_fields['M'] == NULL) {
1004 ret->cm_fields['M'] = strdup("<no text>\n");
1007 /* Perform "before read" hooks (aborting if any return nonzero) */
1008 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1009 CtdlFreeMessage(ret);
1018 * Returns 1 if the supplied pointer points to a valid Citadel message.
1019 * If the pointer is NULL or the magic number check fails, returns 0.
1021 int is_valid_message(struct CtdlMessage *msg) {
1024 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1025 lprintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
1033 * 'Destructor' for struct CtdlMessage
1035 void CtdlFreeMessage(struct CtdlMessage *msg)
1039 if (is_valid_message(msg) == 0) return;
1041 for (i = 0; i < 256; ++i)
1042 if (msg->cm_fields[i] != NULL) {
1043 free(msg->cm_fields[i]);
1046 msg->cm_magic = 0; /* just in case */
1052 * Pre callback function for multipart/alternative
1054 * NOTE: this differs from the standard behavior for a reason. Normally when
1055 * displaying multipart/alternative you want to show the _last_ usable
1056 * format in the message. Here we show the _first_ one, because it's
1057 * usually text/plain. Since this set of functions is designed for text
1058 * output to non-MIME-aware clients, this is the desired behavior.
1061 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1062 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1067 ma = (struct ma_info *)cbuserdata;
1068 lprintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1069 if (!strcasecmp(cbtype, "multipart/alternative")) {
1077 * Post callback function for multipart/alternative
1079 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1080 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1085 ma = (struct ma_info *)cbuserdata;
1086 lprintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1087 if (!strcasecmp(cbtype, "multipart/alternative")) {
1095 * Inline callback function for mime parser that wants to display text
1097 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1098 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1106 ma = (struct ma_info *)cbuserdata;
1108 lprintf(CTDL_DEBUG, "fixed_output() type=<%s>\n", cbtype);
1111 * If we're in the middle of a multipart/alternative scope and
1112 * we've already printed another section, skip this one.
1114 if ( (ma->is_ma == 1) && (ma->did_print == 1) ) {
1115 lprintf(CTDL_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1120 if ( (!strcasecmp(cbtype, "text/plain"))
1121 || (strlen(cbtype)==0) ) {
1124 client_write(wptr, length);
1125 if (wptr[length-1] != '\n') {
1130 else if (!strcasecmp(cbtype, "text/html")) {
1131 ptr = html_to_ascii(content, 80, 0);
1133 client_write(ptr, wlen);
1134 if (ptr[wlen-1] != '\n') {
1139 else if (strncasecmp(cbtype, "multipart/", 10)) {
1140 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1141 partnum, filename, cbtype, (long)length);
1146 * The client is elegant and sophisticated and wants to be choosy about
1147 * MIME content types, so figure out which multipart/alternative part
1148 * we're going to send.
1150 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1151 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1158 ma = (struct ma_info *)cbuserdata;
1160 if (ma->is_ma > 0) {
1161 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1162 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1163 if (!strcasecmp(buf, cbtype)) {
1164 strcpy(ma->chosen_part, partnum);
1171 * Now that we've chosen our preferred part, output it.
1173 void output_preferred(char *name, char *filename, char *partnum, char *disp,
1174 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1179 int add_newline = 0;
1183 ma = (struct ma_info *)cbuserdata;
1185 /* This is not the MIME part you're looking for... */
1186 if (strcasecmp(partnum, ma->chosen_part)) return;
1188 /* If the content-type of this part is in our preferred formats
1189 * list, we can simply output it verbatim.
1191 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1192 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1193 if (!strcasecmp(buf, cbtype)) {
1194 /* Yeah! Go! W00t!! */
1196 text_content = (char *)content;
1197 if (text_content[length-1] != '\n') {
1201 cprintf("Content-type: %s", cbtype);
1202 if (strlen(cbcharset) > 0) {
1203 cprintf("; charset=%s", cbcharset);
1205 cprintf("\nContent-length: %d\n",
1206 (int)(length + add_newline) );
1207 if (strlen(encoding) > 0) {
1208 cprintf("Content-transfer-encoding: %s\n", encoding);
1211 cprintf("Content-transfer-encoding: 7bit\n");
1214 client_write(content, length);
1215 if (add_newline) cprintf("\n");
1220 /* No translations required or possible: output as text/plain */
1221 cprintf("Content-type: text/plain\n\n");
1222 fixed_output(name, filename, partnum, disp, content, cbtype, cbcharset,
1223 length, encoding, cbuserdata);
1228 * Get a message off disk. (returns om_* values found in msgbase.h)
1231 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1232 int mode, /* how would you like that message? */
1233 int headers_only, /* eschew the message body? */
1234 int do_proto, /* do Citadel protocol responses? */
1235 int crlf /* Use CRLF newlines instead of LF? */
1237 struct CtdlMessage *TheMessage = NULL;
1238 int retcode = om_no_such_msg;
1240 lprintf(CTDL_DEBUG, "CtdlOutputMsg() msgnum=%ld, mode=%d\n",
1243 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1244 if (do_proto) cprintf("%d Not logged in.\n",
1245 ERROR + NOT_LOGGED_IN);
1246 return(om_not_logged_in);
1249 /* FIXME: check message id against msglist for this room */
1252 * Fetch the message from disk. If we're in any sort of headers
1253 * only mode, request that we don't even bother loading the body
1256 if ( (headers_only == HEADERS_FAST) || (headers_only == HEADERS_ONLY) ) {
1257 TheMessage = CtdlFetchMessage(msg_num, 0);
1260 TheMessage = CtdlFetchMessage(msg_num, 1);
1263 if (TheMessage == NULL) {
1264 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1265 ERROR + MESSAGE_NOT_FOUND, msg_num);
1266 return(om_no_such_msg);
1269 retcode = CtdlOutputPreLoadedMsg(
1271 headers_only, do_proto, crlf);
1273 CtdlFreeMessage(TheMessage);
1280 * Get a message off disk. (returns om_* values found in msgbase.h)
1283 int CtdlOutputPreLoadedMsg(
1284 struct CtdlMessage *TheMessage,
1285 int mode, /* how would you like that message? */
1286 int headers_only, /* eschew the message body? */
1287 int do_proto, /* do Citadel protocol responses? */
1288 int crlf /* Use CRLF newlines instead of LF? */
1294 char display_name[256];
1296 char *nl; /* newline string */
1298 int subject_found = 0;
1301 /* Buffers needed for RFC822 translation. These are all filled
1302 * using functions that are bounds-checked, and therefore we can
1303 * make them substantially smaller than SIZ.
1311 char datestamp[100];
1313 lprintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
1314 ((TheMessage == NULL) ? "NULL" : "not null"),
1315 mode, headers_only, do_proto, crlf);
1317 strcpy(mid, "unknown");
1318 nl = (crlf ? "\r\n" : "\n");
1320 if (!is_valid_message(TheMessage)) {
1322 "ERROR: invalid preloaded message for output\n");
1323 return(om_no_such_msg);
1326 /* Are we downloading a MIME component? */
1327 if (mode == MT_DOWNLOAD) {
1328 if (TheMessage->cm_format_type != FMT_RFC822) {
1330 cprintf("%d This is not a MIME message.\n",
1331 ERROR + ILLEGAL_VALUE);
1332 } else if (CC->download_fp != NULL) {
1333 if (do_proto) cprintf(
1334 "%d You already have a download open.\n",
1335 ERROR + RESOURCE_BUSY);
1337 /* Parse the message text component */
1338 mptr = TheMessage->cm_fields['M'];
1339 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
1340 /* If there's no file open by this time, the requested
1341 * section wasn't found, so print an error
1343 if (CC->download_fp == NULL) {
1344 if (do_proto) cprintf(
1345 "%d Section %s not found.\n",
1346 ERROR + FILE_NOT_FOUND,
1347 CC->download_desired_section);
1350 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1353 /* now for the user-mode message reading loops */
1354 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
1356 /* Does the caller want to skip the headers? */
1357 if (headers_only == HEADERS_NONE) goto START_TEXT;
1359 /* Tell the client which format type we're using. */
1360 if ( (mode == MT_CITADEL) && (do_proto) ) {
1361 cprintf("type=%d\n", TheMessage->cm_format_type);
1364 /* nhdr=yes means that we're only displaying headers, no body */
1365 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1366 && (mode == MT_CITADEL)
1369 cprintf("nhdr=yes\n");
1372 /* begin header processing loop for Citadel message format */
1374 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1376 safestrncpy(display_name, "<unknown>", sizeof display_name);
1377 if (TheMessage->cm_fields['A']) {
1378 strcpy(buf, TheMessage->cm_fields['A']);
1379 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1380 safestrncpy(display_name, "****", sizeof display_name);
1382 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1383 safestrncpy(display_name, "anonymous", sizeof display_name);
1386 safestrncpy(display_name, buf, sizeof display_name);
1388 if ((is_room_aide())
1389 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1390 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1391 size_t tmp = strlen(display_name);
1392 snprintf(&display_name[tmp],
1393 sizeof display_name - tmp,
1398 /* Don't show Internet address for users on the
1399 * local Citadel network.
1402 if (TheMessage->cm_fields['N'] != NULL)
1403 if (strlen(TheMessage->cm_fields['N']) > 0)
1404 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1408 /* Now spew the header fields in the order we like them. */
1409 safestrncpy(allkeys, FORDER, sizeof allkeys);
1410 for (i=0; i<strlen(allkeys); ++i) {
1411 k = (int) allkeys[i];
1413 if ( (TheMessage->cm_fields[k] != NULL)
1414 && (msgkeys[k] != NULL) ) {
1416 if (do_proto) cprintf("%s=%s\n",
1420 else if ((k == 'F') && (suppress_f)) {
1423 /* Masquerade display name if needed */
1425 if (do_proto) cprintf("%s=%s\n",
1427 TheMessage->cm_fields[k]
1436 /* begin header processing loop for RFC822 transfer format */
1441 strcpy(snode, NODENAME);
1442 strcpy(lnode, HUMANNODE);
1443 if (mode == MT_RFC822) {
1444 for (i = 0; i < 256; ++i) {
1445 if (TheMessage->cm_fields[i]) {
1446 mptr = TheMessage->cm_fields[i];
1449 safestrncpy(luser, mptr, sizeof luser);
1450 safestrncpy(suser, mptr, sizeof suser);
1452 else if (i == 'Y') {
1453 cprintf("CC: %s%s", mptr, nl);
1455 else if (i == 'U') {
1456 cprintf("Subject: %s%s", mptr, nl);
1460 safestrncpy(mid, mptr, sizeof mid);
1462 safestrncpy(lnode, mptr, sizeof lnode);
1464 safestrncpy(fuser, mptr, sizeof fuser);
1465 /* else if (i == 'O')
1466 cprintf("X-Citadel-Room: %s%s",
1469 safestrncpy(snode, mptr, sizeof snode);
1471 cprintf("To: %s%s", mptr, nl);
1472 else if (i == 'T') {
1473 datestring(datestamp, sizeof datestamp,
1474 atol(mptr), DATESTRING_RFC822);
1475 cprintf("Date: %s%s", datestamp, nl);
1479 if (subject_found == 0) {
1480 cprintf("Subject: (no subject)%s", nl);
1484 for (i=0; i<strlen(suser); ++i) {
1485 suser[i] = tolower(suser[i]);
1486 if (!isalnum(suser[i])) suser[i]='_';
1489 if (mode == MT_RFC822) {
1490 if (!strcasecmp(snode, NODENAME)) {
1491 safestrncpy(snode, FQDN, sizeof snode);
1494 /* Construct a fun message id */
1495 cprintf("Message-ID: <%s", mid);
1496 if (strchr(mid, '@')==NULL) {
1497 cprintf("@%s", snode);
1501 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
1502 cprintf("From: \"----\" <x@x.org>%s", nl);
1504 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
1505 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
1507 else if (strlen(fuser) > 0) {
1508 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
1511 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
1514 cprintf("Organization: %s%s", lnode, nl);
1516 /* Blank line signifying RFC822 end-of-headers */
1517 if (TheMessage->cm_format_type != FMT_RFC822) {
1522 /* end header processing loop ... at this point, we're in the text */
1524 if (headers_only == HEADERS_FAST) goto DONE;
1525 mptr = TheMessage->cm_fields['M'];
1527 /* Tell the client about the MIME parts in this message */
1528 if (TheMessage->cm_format_type == FMT_RFC822) {
1529 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1530 memset(&ma, 0, sizeof(struct ma_info));
1531 mime_parser(mptr, NULL,
1532 (do_proto ? *list_this_part : NULL),
1533 (do_proto ? *list_this_pref : NULL),
1534 (do_proto ? *list_this_suff : NULL),
1537 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1538 char *start_of_text = NULL;
1539 start_of_text = strstr(mptr, "\n\r\n");
1540 if (start_of_text == NULL) start_of_text = strstr(mptr, "\n\n");
1541 if (start_of_text == NULL) start_of_text = mptr;
1543 start_of_text = strstr(start_of_text, "\n");
1545 while (ch=*mptr, ch!=0) {
1549 else switch(headers_only) {
1551 if (mptr >= start_of_text) {
1552 if (ch == 10) cprintf("%s", nl);
1553 else cprintf("%c", ch);
1557 if (mptr < start_of_text) {
1558 if (ch == 10) cprintf("%s", nl);
1559 else cprintf("%c", ch);
1563 if (ch == 10) cprintf("%s", nl);
1564 else cprintf("%c", ch);
1573 if (headers_only == HEADERS_ONLY) {
1577 /* signify start of msg text */
1578 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1579 if (do_proto) cprintf("text\n");
1582 /* If the format type on disk is 1 (fixed-format), then we want
1583 * everything to be output completely literally ... regardless of
1584 * what message transfer format is in use.
1586 if (TheMessage->cm_format_type == FMT_FIXED) {
1587 if (mode == MT_MIME) {
1588 cprintf("Content-type: text/plain\n\n");
1591 while (ch = *mptr++, ch > 0) {
1594 if ((ch == 10) || (strlen(buf) > 250)) {
1595 cprintf("%s%s", buf, nl);
1598 buf[strlen(buf) + 1] = 0;
1599 buf[strlen(buf)] = ch;
1602 if (strlen(buf) > 0)
1603 cprintf("%s%s", buf, nl);
1606 /* If the message on disk is format 0 (Citadel vari-format), we
1607 * output using the formatter at 80 columns. This is the final output
1608 * form if the transfer format is RFC822, but if the transfer format
1609 * is Citadel proprietary, it'll still work, because the indentation
1610 * for new paragraphs is correct and the client will reformat the
1611 * message to the reader's screen width.
1613 if (TheMessage->cm_format_type == FMT_CITADEL) {
1614 if (mode == MT_MIME) {
1615 cprintf("Content-type: text/x-citadel-variformat\n\n");
1617 memfmout(80, mptr, 0, nl);
1620 /* If the message on disk is format 4 (MIME), we've gotta hand it
1621 * off to the MIME parser. The client has already been told that
1622 * this message is format 1 (fixed format), so the callback function
1623 * we use will display those parts as-is.
1625 if (TheMessage->cm_format_type == FMT_RFC822) {
1626 memset(&ma, 0, sizeof(struct ma_info));
1628 if (mode == MT_MIME) {
1629 strcpy(ma.chosen_part, "1");
1630 mime_parser(mptr, NULL,
1631 *choose_preferred, *fixed_output_pre,
1632 *fixed_output_post, (void *)&ma, 0);
1633 mime_parser(mptr, NULL,
1634 *output_preferred, NULL, NULL, (void *)&ma, 0);
1637 mime_parser(mptr, NULL,
1638 *fixed_output, *fixed_output_pre,
1639 *fixed_output_post, (void *)&ma, 0);
1644 DONE: /* now we're done */
1645 if (do_proto) cprintf("000\n");
1652 * display a message (mode 0 - Citadel proprietary)
1654 void cmd_msg0(char *cmdbuf)
1657 int headers_only = HEADERS_ALL;
1659 msgid = extract_long(cmdbuf, 0);
1660 headers_only = extract_int(cmdbuf, 1);
1662 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1668 * display a message (mode 2 - RFC822)
1670 void cmd_msg2(char *cmdbuf)
1673 int headers_only = HEADERS_ALL;
1675 msgid = extract_long(cmdbuf, 0);
1676 headers_only = extract_int(cmdbuf, 1);
1678 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1684 * display a message (mode 3 - IGnet raw format - internal programs only)
1686 void cmd_msg3(char *cmdbuf)
1689 struct CtdlMessage *msg;
1692 if (CC->internal_pgm == 0) {
1693 cprintf("%d This command is for internal programs only.\n",
1694 ERROR + HIGHER_ACCESS_REQUIRED);
1698 msgnum = extract_long(cmdbuf, 0);
1699 msg = CtdlFetchMessage(msgnum, 1);
1701 cprintf("%d Message %ld not found.\n",
1702 ERROR + MESSAGE_NOT_FOUND, msgnum);
1706 serialize_message(&smr, msg);
1707 CtdlFreeMessage(msg);
1710 cprintf("%d Unable to serialize message\n",
1711 ERROR + INTERNAL_ERROR);
1715 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1716 client_write((char *)smr.ser, (int)smr.len);
1723 * Display a message using MIME content types
1725 void cmd_msg4(char *cmdbuf)
1729 msgid = extract_long(cmdbuf, 0);
1730 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1736 * Client tells us its preferred message format(s)
1738 void cmd_msgp(char *cmdbuf)
1740 safestrncpy(CC->preferred_formats, cmdbuf,
1741 sizeof(CC->preferred_formats));
1742 cprintf("%d ok\n", CIT_OK);
1747 * Open a component of a MIME message as a download file
1749 void cmd_opna(char *cmdbuf)
1752 char desired_section[128];
1754 msgid = extract_long(cmdbuf, 0);
1755 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
1756 safestrncpy(CC->download_desired_section, desired_section,
1757 sizeof CC->download_desired_section);
1758 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1763 * Save a message pointer into a specified room
1764 * (Returns 0 for success, nonzero for failure)
1765 * roomname may be NULL to use the current room
1767 * Note that the 'supplied_msg' field may be set to NULL, in which case
1768 * the message will be fetched from disk, by number, if we need to perform
1769 * replication checks. This adds an additional database read, so if the
1770 * caller already has the message in memory then it should be supplied.
1772 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int do_repl_check,
1773 struct CtdlMessage *supplied_msg) {
1775 char hold_rm[ROOMNAMELEN];
1776 struct cdbdata *cdbfr;
1779 long highest_msg = 0L;
1780 struct CtdlMessage *msg = NULL;
1782 /*lprintf(CTDL_DEBUG,
1783 "CtdlSaveMsgPointerInRoom(room=%s, msgid=%ld, repl=%d)\n",
1784 roomname, msgid, do_repl_check);*/
1786 strcpy(hold_rm, CC->room.QRname);
1788 /* Now the regular stuff */
1789 if (lgetroom(&CC->room,
1790 ((roomname != NULL) ? roomname : CC->room.QRname) )
1792 lprintf(CTDL_ERR, "No such room <%s>\n", roomname);
1793 return(ERROR + ROOM_NOT_FOUND);
1796 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
1797 if (cdbfr == NULL) {
1801 msglist = (long *) cdbfr->ptr;
1802 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
1803 num_msgs = cdbfr->len / sizeof(long);
1807 /* Make sure the message doesn't already exist in this room. It
1808 * is absolutely taboo to have more than one reference to the same
1809 * message in a room.
1811 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1812 if (msglist[i] == msgid) {
1813 lputroom(&CC->room); /* unlock the room */
1814 getroom(&CC->room, hold_rm);
1816 return(ERROR + ALREADY_EXISTS);
1820 /* Now add the new message */
1822 msglist = realloc(msglist, (num_msgs * sizeof(long)));
1824 if (msglist == NULL) {
1825 lprintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
1827 msglist[num_msgs - 1] = msgid;
1829 /* Sort the message list, so all the msgid's are in order */
1830 num_msgs = sort_msglist(msglist, num_msgs);
1832 /* Determine the highest message number */
1833 highest_msg = msglist[num_msgs - 1];
1835 /* Write it back to disk. */
1836 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
1837 msglist, (int)(num_msgs * sizeof(long)));
1839 /* Free up the memory we used. */
1842 /* Update the highest-message pointer and unlock the room. */
1843 CC->room.QRhighest = highest_msg;
1844 lputroom(&CC->room);
1846 /* Perform replication checks if necessary */
1847 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
1848 if (supplied_msg != NULL) {
1852 msg = CtdlFetchMessage(msgid, 0);
1856 ReplicationChecks(msg);
1861 /* If the message has an Exclusive ID, index that... */
1863 if (msg->cm_fields['E'] != NULL) {
1864 index_message_by_euid(msg->cm_fields['E'],
1869 /* Free up the memory we may have allocated */
1870 if ( (msg != NULL) && (msg != supplied_msg) ) {
1871 CtdlFreeMessage(msg);
1874 /* Go back to the room we were in before we wandered here... */
1875 getroom(&CC->room, hold_rm);
1877 /* Bump the reference count for this message. */
1878 AdjRefCount(msgid, +1);
1880 /* Return success. */
1887 * Message base operation to save a new message to the message store
1888 * (returns new message number)
1890 * This is the back end for CtdlSubmitMsg() and should not be directly
1891 * called by server-side modules.
1894 long send_message(struct CtdlMessage *msg) {
1902 /* Get a new message number */
1903 newmsgid = get_new_message_number();
1904 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1906 /* Generate an ID if we don't have one already */
1907 if (msg->cm_fields['I']==NULL) {
1908 msg->cm_fields['I'] = strdup(msgidbuf);
1911 /* If the message is big, set its body aside for storage elsewhere */
1912 if (msg->cm_fields['M'] != NULL) {
1913 if (strlen(msg->cm_fields['M']) > BIGMSG) {
1915 holdM = msg->cm_fields['M'];
1916 msg->cm_fields['M'] = NULL;
1920 /* Serialize our data structure for storage in the database */
1921 serialize_message(&smr, msg);
1924 msg->cm_fields['M'] = holdM;
1928 cprintf("%d Unable to serialize message\n",
1929 ERROR + INTERNAL_ERROR);
1933 /* Write our little bundle of joy into the message base */
1934 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
1935 smr.ser, smr.len) < 0) {
1936 lprintf(CTDL_ERR, "Can't store message\n");
1940 cdb_store(CDB_BIGMSGS,
1950 /* Free the memory we used for the serialized message */
1953 /* Return the *local* message ID to the caller
1954 * (even if we're storing an incoming network message)
1962 * Serialize a struct CtdlMessage into the format used on disk and network.
1964 * This function loads up a "struct ser_ret" (defined in server.h) which
1965 * contains the length of the serialized message and a pointer to the
1966 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1968 void serialize_message(struct ser_ret *ret, /* return values */
1969 struct CtdlMessage *msg) /* unserialized msg */
1973 static char *forder = FORDER;
1975 if (is_valid_message(msg) == 0) return; /* self check */
1978 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1979 ret->len = ret->len +
1980 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1982 lprintf(CTDL_DEBUG, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1983 ret->ser = malloc(ret->len);
1984 if (ret->ser == NULL) {
1990 ret->ser[1] = msg->cm_anon_type;
1991 ret->ser[2] = msg->cm_format_type;
1994 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1995 ret->ser[wlen++] = (char)forder[i];
1996 strcpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1997 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1999 if (ret->len != wlen) lprintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2000 (long)ret->len, (long)wlen);
2008 * Check to see if any messages already exist in the current room which
2009 * carry the same Exclusive ID as this one. If any are found, delete them.
2011 void ReplicationChecks(struct CtdlMessage *msg) {
2012 long old_msgnum = (-1L);
2014 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2016 lprintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2019 /* No exclusive id? Don't do anything. */
2020 if (msg == NULL) return;
2021 if (msg->cm_fields['E'] == NULL) return;
2022 if (strlen(msg->cm_fields['E']) == 0) return;
2023 /*lprintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2024 msg->cm_fields['E'], CC->room.QRname);*/
2026 old_msgnum = locate_message_by_euid(msg->cm_fields['E'], &CC->room);
2027 if (old_msgnum > 0L) {
2028 lprintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2029 CtdlDeleteMessages(CC->room.QRname, old_msgnum, "", 0);
2036 * Save a message to disk and submit it into the delivery system.
2038 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2039 struct recptypes *recps, /* recipients (if mail) */
2040 char *force /* force a particular room? */
2042 char submit_filename[128];
2043 char generated_timestamp[32];
2044 char hold_rm[ROOMNAMELEN];
2045 char actual_rm[ROOMNAMELEN];
2046 char force_room[ROOMNAMELEN];
2047 char content_type[SIZ]; /* We have to learn this */
2048 char recipient[SIZ];
2051 struct ctdluser userbuf;
2053 struct MetaData smi;
2054 FILE *network_fp = NULL;
2055 static int seqnum = 1;
2056 struct CtdlMessage *imsg = NULL;
2059 char *hold_R, *hold_D;
2060 char *collected_addresses = NULL;
2061 struct addresses_to_be_filed *aptr = NULL;
2063 lprintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2064 if (is_valid_message(msg) == 0) return(-1); /* self check */
2066 /* If this message has no timestamp, we take the liberty of
2067 * giving it one, right now.
2069 if (msg->cm_fields['T'] == NULL) {
2070 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2071 msg->cm_fields['T'] = strdup(generated_timestamp);
2074 /* If this message has no path, we generate one.
2076 if (msg->cm_fields['P'] == NULL) {
2077 if (msg->cm_fields['A'] != NULL) {
2078 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2079 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
2080 if (isspace(msg->cm_fields['P'][a])) {
2081 msg->cm_fields['P'][a] = ' ';
2086 msg->cm_fields['P'] = strdup("unknown");
2090 if (force == NULL) {
2091 strcpy(force_room, "");
2094 strcpy(force_room, force);
2097 /* Learn about what's inside, because it's what's inside that counts */
2098 if (msg->cm_fields['M'] == NULL) {
2099 lprintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2103 switch (msg->cm_format_type) {
2105 strcpy(content_type, "text/x-citadel-variformat");
2108 strcpy(content_type, "text/plain");
2111 strcpy(content_type, "text/plain");
2112 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type: ");
2114 safestrncpy(content_type, &mptr[14],
2115 sizeof content_type);
2116 for (a = 0; a < strlen(content_type); ++a) {
2117 if ((content_type[a] == ';')
2118 || (content_type[a] == ' ')
2119 || (content_type[a] == 13)
2120 || (content_type[a] == 10)) {
2121 content_type[a] = 0;
2127 /* Goto the correct room */
2128 lprintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CC->room.QRname : SENTITEMS);
2129 strcpy(hold_rm, CC->room.QRname);
2130 strcpy(actual_rm, CC->room.QRname);
2131 if (recps != NULL) {
2132 strcpy(actual_rm, SENTITEMS);
2135 /* If the user is a twit, move to the twit room for posting */
2137 if (CC->user.axlevel == 2) {
2138 strcpy(hold_rm, actual_rm);
2139 strcpy(actual_rm, config.c_twitroom);
2140 lprintf(CTDL_DEBUG, "Diverting to twit room\n");
2144 /* ...or if this message is destined for Aide> then go there. */
2145 if (strlen(force_room) > 0) {
2146 strcpy(actual_rm, force_room);
2149 lprintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2150 if (strcasecmp(actual_rm, CC->room.QRname)) {
2151 /* getroom(&CC->room, actual_rm); */
2152 usergoto(actual_rm, 0, 1, NULL, NULL);
2156 * If this message has no O (room) field, generate one.
2158 if (msg->cm_fields['O'] == NULL) {
2159 msg->cm_fields['O'] = strdup(CC->room.QRname);
2162 /* Perform "before save" hooks (aborting if any return nonzero) */
2163 lprintf(CTDL_DEBUG, "Performing before-save hooks\n");
2164 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2167 * If this message has an Exclusive ID, and the room is replication
2168 * checking enabled, then do replication checks.
2170 if (DoesThisRoomNeedEuidIndexing(&CC->room)) {
2171 ReplicationChecks(msg);
2174 /* Save it to disk */
2175 lprintf(CTDL_DEBUG, "Saving to disk\n");
2176 newmsgid = send_message(msg);
2177 if (newmsgid <= 0L) return(-5);
2179 /* Write a supplemental message info record. This doesn't have to
2180 * be a critical section because nobody else knows about this message
2183 lprintf(CTDL_DEBUG, "Creating MetaData record\n");
2184 memset(&smi, 0, sizeof(struct MetaData));
2185 smi.meta_msgnum = newmsgid;
2186 smi.meta_refcount = 0;
2187 safestrncpy(smi.meta_content_type, content_type,
2188 sizeof smi.meta_content_type);
2190 /* As part of the new metadata record, measure how
2191 * big this message will be when displayed as RFC822.
2192 * Both POP and IMAP use this, and it's best to just take the hit now
2193 * instead of having to potentially measure thousands of messages when
2194 * a mailbox is opened later.
2197 if (CC->redirect_buffer != NULL) {
2198 lprintf(CTDL_ALERT, "CC->redirect_buffer is not NULL during message submission!\n");
2201 CC->redirect_buffer = malloc(SIZ);
2202 CC->redirect_len = 0;
2203 CC->redirect_alloc = SIZ;
2204 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1);
2205 smi.meta_rfc822_length = CC->redirect_len;
2206 free(CC->redirect_buffer);
2207 CC->redirect_buffer = NULL;
2208 CC->redirect_len = 0;
2209 CC->redirect_alloc = 0;
2213 /* Now figure out where to store the pointers */
2214 lprintf(CTDL_DEBUG, "Storing pointers\n");
2216 /* If this is being done by the networker delivering a private
2217 * message, we want to BYPASS saving the sender's copy (because there
2218 * is no local sender; it would otherwise go to the Trashcan).
2220 if ((!CC->internal_pgm) || (recps == NULL)) {
2221 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2222 lprintf(CTDL_ERR, "ERROR saving message pointer!\n");
2223 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2227 /* For internet mail, drop a copy in the outbound queue room */
2229 if (recps->num_internet > 0) {
2230 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2233 /* If other rooms are specified, drop them there too. */
2235 if (recps->num_room > 0)
2236 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2237 extract_token(recipient, recps->recp_room, i,
2238 '|', sizeof recipient);
2239 lprintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2240 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2243 /* Bump this user's messages posted counter. */
2244 lprintf(CTDL_DEBUG, "Updating user\n");
2245 lgetuser(&CC->user, CC->curr_user);
2246 CC->user.posted = CC->user.posted + 1;
2247 lputuser(&CC->user);
2249 /* If this is private, local mail, make a copy in the
2250 * recipient's mailbox and bump the reference count.
2253 if (recps->num_local > 0)
2254 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2255 extract_token(recipient, recps->recp_local, i,
2256 '|', sizeof recipient);
2257 lprintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2259 if (getuser(&userbuf, recipient) == 0) {
2260 MailboxName(actual_rm, sizeof actual_rm,
2261 &userbuf, MAILROOM);
2262 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2263 BumpNewMailCounter(userbuf.usernum);
2266 lprintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2267 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2271 /* Perform "after save" hooks */
2272 lprintf(CTDL_DEBUG, "Performing after-save hooks\n");
2273 PerformMessageHooks(msg, EVT_AFTERSAVE);
2275 /* For IGnet mail, we have to save a new copy into the spooler for
2276 * each recipient, with the R and D fields set to the recipient and
2277 * destination-node. This has two ugly side effects: all other
2278 * recipients end up being unlisted in this recipient's copy of the
2279 * message, and it has to deliver multiple messages to the same
2280 * node. We'll revisit this again in a year or so when everyone has
2281 * a network spool receiver that can handle the new style messages.
2284 if (recps->num_ignet > 0)
2285 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2286 extract_token(recipient, recps->recp_ignet, i,
2287 '|', sizeof recipient);
2289 hold_R = msg->cm_fields['R'];
2290 hold_D = msg->cm_fields['D'];
2291 msg->cm_fields['R'] = malloc(SIZ);
2292 msg->cm_fields['D'] = malloc(128);
2293 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
2294 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
2296 serialize_message(&smr, msg);
2298 snprintf(submit_filename, sizeof submit_filename,
2299 #ifndef HAVE_SPOOL_DIR
2304 "/network/spoolin/netmail.%04lx.%04x.%04x",
2305 (long) getpid(), CC->cs_pid, ++seqnum);
2306 network_fp = fopen(submit_filename, "wb+");
2307 if (network_fp != NULL) {
2308 fwrite(smr.ser, smr.len, 1, network_fp);
2314 free(msg->cm_fields['R']);
2315 free(msg->cm_fields['D']);
2316 msg->cm_fields['R'] = hold_R;
2317 msg->cm_fields['D'] = hold_D;
2320 /* Go back to the room we started from */
2321 lprintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2322 if (strcasecmp(hold_rm, CC->room.QRname))
2323 /* getroom(&CC->room, hold_rm); */
2324 usergoto(hold_rm, 0, 1, NULL, NULL);
2326 /* For internet mail, generate delivery instructions.
2327 * Yes, this is recursive. Deal with it. Infinite recursion does
2328 * not happen because the delivery instructions message does not
2329 * contain a recipient.
2332 if (recps->num_internet > 0) {
2333 lprintf(CTDL_DEBUG, "Generating delivery instructions\n");
2334 instr = malloc(SIZ * 2);
2335 snprintf(instr, SIZ * 2,
2336 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2338 SPOOLMIME, newmsgid, (long)time(NULL),
2339 msg->cm_fields['A'], msg->cm_fields['N']
2342 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2343 size_t tmp = strlen(instr);
2344 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
2345 snprintf(&instr[tmp], SIZ * 2 - tmp,
2346 "remote|%s|0||\n", recipient);
2349 imsg = malloc(sizeof(struct CtdlMessage));
2350 memset(imsg, 0, sizeof(struct CtdlMessage));
2351 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2352 imsg->cm_anon_type = MES_NORMAL;
2353 imsg->cm_format_type = FMT_RFC822;
2354 imsg->cm_fields['A'] = strdup("Citadel");
2355 imsg->cm_fields['M'] = instr;
2356 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2357 CtdlFreeMessage(imsg);
2361 * Any addresses to harvest for someone's address book?
2363 if ( (CC->logged_in) && (recps != NULL) ) {
2364 collected_addresses = harvest_collected_addresses(msg);
2367 if (collected_addresses != NULL) {
2368 begin_critical_section(S_ATBF);
2369 aptr = (struct addresses_to_be_filed *) malloc(sizeof(struct addresses_to_be_filed));
2371 MailboxName(actual_rm, sizeof actual_rm, &CC->user, USERCONTACTSROOM);
2372 aptr->roomname = strdup(actual_rm);
2373 aptr->collected_addresses = collected_addresses;
2375 end_critical_section(S_ATBF);
2388 * Convenience function for generating small administrative messages.
2390 void quickie_message(char *from, char *to, char *room, char *text,
2391 int format_type, char *subject)
2393 struct CtdlMessage *msg;
2394 struct recptypes *recp = NULL;
2396 msg = malloc(sizeof(struct CtdlMessage));
2397 memset(msg, 0, sizeof(struct CtdlMessage));
2398 msg->cm_magic = CTDLMESSAGE_MAGIC;
2399 msg->cm_anon_type = MES_NORMAL;
2400 msg->cm_format_type = format_type;
2401 msg->cm_fields['A'] = strdup(from);
2402 if (room != NULL) msg->cm_fields['O'] = strdup(room);
2403 msg->cm_fields['N'] = strdup(NODENAME);
2405 msg->cm_fields['R'] = strdup(to);
2406 recp = validate_recipients(to);
2408 if (subject != NULL) {
2409 msg->cm_fields['U'] = strdup(subject);
2411 msg->cm_fields['M'] = strdup(text);
2413 CtdlSubmitMsg(msg, recp, room);
2414 CtdlFreeMessage(msg);
2415 if (recp != NULL) free(recp);
2421 * Back end function used by CtdlMakeMessage() and similar functions
2423 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2424 size_t maxlen, /* maximum message length */
2425 char *exist, /* if non-null, append to it;
2426 exist is ALWAYS freed */
2427 int crlf /* CRLF newlines instead of LF */
2431 size_t message_len = 0;
2432 size_t buffer_len = 0;
2438 if (exist == NULL) {
2445 message_len = strlen(exist);
2446 buffer_len = message_len + 4096;
2447 m = realloc(exist, buffer_len);
2454 /* flush the input if we have nowhere to store it */
2459 /* read in the lines of message text one by one */
2461 if (client_getln(buf, (sizeof buf - 3)) < 1) finished = 1;
2462 if (!strcmp(buf, terminator)) finished = 1;
2464 strcat(buf, "\r\n");
2470 if ( (!flushing) && (!finished) ) {
2471 /* Measure the line */
2472 linelen = strlen(buf);
2474 /* augment the buffer if we have to */
2475 if ((message_len + linelen) >= buffer_len) {
2476 ptr = realloc(m, (buffer_len * 2) );
2477 if (ptr == NULL) { /* flush if can't allocate */
2480 buffer_len = (buffer_len * 2);
2482 lprintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
2486 /* Add the new line to the buffer. NOTE: this loop must avoid
2487 * using functions like strcat() and strlen() because they
2488 * traverse the entire buffer upon every call, and doing that
2489 * for a multi-megabyte message slows it down beyond usability.
2491 strcpy(&m[message_len], buf);
2492 message_len += linelen;
2495 /* if we've hit the max msg length, flush the rest */
2496 if (message_len >= maxlen) flushing = 1;
2498 } while (!finished);
2506 * Build a binary message to be saved on disk.
2507 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2508 * will become part of the message. This means you are no longer
2509 * responsible for managing that memory -- it will be freed along with
2510 * the rest of the fields when CtdlFreeMessage() is called.)
2513 struct CtdlMessage *CtdlMakeMessage(
2514 struct ctdluser *author, /* author's user structure */
2515 char *recipient, /* NULL if it's not mail */
2516 char *recp_cc, /* NULL if it's not mail */
2517 char *room, /* room where it's going */
2518 int type, /* see MES_ types in header file */
2519 int format_type, /* variformat, plain text, MIME... */
2520 char *fake_name, /* who we're masquerading as */
2521 char *subject, /* Subject (optional) */
2522 char *preformatted_text /* ...or NULL to read text from client */
2524 char dest_node[SIZ];
2526 struct CtdlMessage *msg;
2528 msg = malloc(sizeof(struct CtdlMessage));
2529 memset(msg, 0, sizeof(struct CtdlMessage));
2530 msg->cm_magic = CTDLMESSAGE_MAGIC;
2531 msg->cm_anon_type = type;
2532 msg->cm_format_type = format_type;
2534 /* Don't confuse the poor folks if it's not routed mail. */
2535 strcpy(dest_node, "");
2540 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2541 msg->cm_fields['P'] = strdup(buf);
2543 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2544 msg->cm_fields['T'] = strdup(buf);
2546 if (fake_name[0]) /* author */
2547 msg->cm_fields['A'] = strdup(fake_name);
2549 msg->cm_fields['A'] = strdup(author->fullname);
2551 if (CC->room.QRflags & QR_MAILBOX) { /* room */
2552 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
2555 msg->cm_fields['O'] = strdup(CC->room.QRname);
2558 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
2559 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
2561 if (recipient[0] != 0) {
2562 msg->cm_fields['R'] = strdup(recipient);
2564 if (recp_cc[0] != 0) {
2565 msg->cm_fields['Y'] = strdup(recp_cc);
2567 if (dest_node[0] != 0) {
2568 msg->cm_fields['D'] = strdup(dest_node);
2571 if ( (author == &CC->user) && (strlen(CC->cs_inet_email) > 0) ) {
2572 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
2575 if (subject != NULL) {
2577 if (strlen(subject) > 0) {
2578 msg->cm_fields['U'] = strdup(subject);
2582 if (preformatted_text != NULL) {
2583 msg->cm_fields['M'] = preformatted_text;
2586 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2587 config.c_maxmsglen, NULL, 0);
2595 * Check to see whether we have permission to post a message in the current
2596 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2597 * returns 0 on success.
2599 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2601 if (!(CC->logged_in)) {
2602 snprintf(errmsgbuf, n, "Not logged in.");
2603 return (ERROR + NOT_LOGGED_IN);
2606 if ((CC->user.axlevel < 2)
2607 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
2608 snprintf(errmsgbuf, n, "Need to be validated to enter "
2609 "(except in %s> to sysop)", MAILROOM);
2610 return (ERROR + HIGHER_ACCESS_REQUIRED);
2613 if ((CC->user.axlevel < 4)
2614 && (CC->room.QRflags & QR_NETWORK)) {
2615 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2616 return (ERROR + HIGHER_ACCESS_REQUIRED);
2619 if ((CC->user.axlevel < 6)
2620 && (CC->room.QRflags & QR_READONLY)) {
2621 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2622 return (ERROR + HIGHER_ACCESS_REQUIRED);
2625 strcpy(errmsgbuf, "Ok");
2631 * Check to see if the specified user has Internet mail permission
2632 * (returns nonzero if permission is granted)
2634 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
2636 /* Do not allow twits to send Internet mail */
2637 if (who->axlevel <= 2) return(0);
2639 /* Globally enabled? */
2640 if (config.c_restrict == 0) return(1);
2642 /* User flagged ok? */
2643 if (who->flags & US_INTERNET) return(2);
2645 /* Aide level access? */
2646 if (who->axlevel >= 6) return(3);
2648 /* No mail for you! */
2654 * Validate recipients, count delivery types and errors, and handle aliasing
2655 * FIXME check for dupes!!!!!
2656 * Returns 0 if all addresses are ok, -1 if no addresses were specified,
2657 * or the number of addresses found invalid.
2659 struct recptypes *validate_recipients(char *supplied_recipients) {
2660 struct recptypes *ret;
2661 char recipients[SIZ];
2662 char this_recp[256];
2663 char this_recp_cooked[256];
2669 struct ctdluser tempUS;
2670 struct ctdlroom tempQR;
2674 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2675 if (ret == NULL) return(NULL);
2676 memset(ret, 0, sizeof(struct recptypes));
2679 ret->num_internet = 0;
2684 if (supplied_recipients == NULL) {
2685 strcpy(recipients, "");
2688 safestrncpy(recipients, supplied_recipients, sizeof recipients);
2691 /* Change all valid separator characters to commas */
2692 for (i=0; i<strlen(recipients); ++i) {
2693 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2694 recipients[i] = ',';
2698 /* Now start extracting recipients... */
2700 while (strlen(recipients) > 0) {
2702 for (i=0; i<=strlen(recipients); ++i) {
2703 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
2704 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
2705 safestrncpy(this_recp, recipients, i+1);
2707 if (recipients[i] == ',') {
2708 strcpy(recipients, &recipients[i+1]);
2711 strcpy(recipients, "");
2718 lprintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
2720 mailtype = alias(this_recp);
2721 mailtype = alias(this_recp);
2722 mailtype = alias(this_recp);
2723 for (j=0; j<=strlen(this_recp); ++j) {
2724 if (this_recp[j]=='_') {
2725 this_recp_cooked[j] = ' ';
2728 this_recp_cooked[j] = this_recp[j];
2734 if (!strcasecmp(this_recp, "sysop")) {
2736 strcpy(this_recp, config.c_aideroom);
2737 if (strlen(ret->recp_room) > 0) {
2738 strcat(ret->recp_room, "|");
2740 strcat(ret->recp_room, this_recp);
2742 else if (getuser(&tempUS, this_recp) == 0) {
2744 strcpy(this_recp, tempUS.fullname);
2745 if (strlen(ret->recp_local) > 0) {
2746 strcat(ret->recp_local, "|");
2748 strcat(ret->recp_local, this_recp);
2750 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2752 strcpy(this_recp, tempUS.fullname);
2753 if (strlen(ret->recp_local) > 0) {
2754 strcat(ret->recp_local, "|");
2756 strcat(ret->recp_local, this_recp);
2758 else if ( (!strncasecmp(this_recp, "room_", 5))
2759 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2761 if (strlen(ret->recp_room) > 0) {
2762 strcat(ret->recp_room, "|");
2764 strcat(ret->recp_room, &this_recp_cooked[5]);
2772 /* Yes, you're reading this correctly: if the target
2773 * domain points back to the local system or an attached
2774 * Citadel directory, the address is invalid. That's
2775 * because if the address were valid, we would have
2776 * already translated it to a local address by now.
2778 if (IsDirectory(this_recp)) {
2783 ++ret->num_internet;
2784 if (strlen(ret->recp_internet) > 0) {
2785 strcat(ret->recp_internet, "|");
2787 strcat(ret->recp_internet, this_recp);
2792 if (strlen(ret->recp_ignet) > 0) {
2793 strcat(ret->recp_ignet, "|");
2795 strcat(ret->recp_ignet, this_recp);
2803 if (strlen(ret->errormsg) == 0) {
2804 snprintf(append, sizeof append,
2805 "Invalid recipient: %s",
2809 snprintf(append, sizeof append,
2812 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2813 strcat(ret->errormsg, append);
2817 if (strlen(ret->display_recp) == 0) {
2818 strcpy(append, this_recp);
2821 snprintf(append, sizeof append, ", %s",
2824 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2825 strcat(ret->display_recp, append);
2830 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2831 ret->num_room + ret->num_error) == 0) {
2832 ret->num_error = (-1);
2833 strcpy(ret->errormsg, "No recipients specified.");
2836 lprintf(CTDL_DEBUG, "validate_recipients()\n");
2837 lprintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2838 lprintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2839 lprintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2840 lprintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2841 lprintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2849 * message entry - mode 0 (normal)
2851 void cmd_ent0(char *entargs)
2857 char masquerade_as[SIZ];
2859 int format_type = 0;
2860 char newusername[SIZ];
2861 struct CtdlMessage *msg;
2865 struct recptypes *valid = NULL;
2866 struct recptypes *valid_to = NULL;
2867 struct recptypes *valid_cc = NULL;
2868 struct recptypes *valid_bcc = NULL;
2875 post = extract_int(entargs, 0);
2876 extract_token(recp, entargs, 1, '|', sizeof recp);
2877 anon_flag = extract_int(entargs, 2);
2878 format_type = extract_int(entargs, 3);
2879 extract_token(subject, entargs, 4, '|', sizeof subject);
2880 do_confirm = extract_int(entargs, 6);
2881 extract_token(cc, entargs, 7, '|', sizeof cc);
2882 extract_token(bcc, entargs, 8, '|', sizeof bcc);
2884 /* first check to make sure the request is valid. */
2886 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2888 cprintf("%d %s\n", err, errmsg);
2892 /* Check some other permission type things. */
2895 if (CC->user.axlevel < 6) {
2896 cprintf("%d You don't have permission to masquerade.\n",
2897 ERROR + HIGHER_ACCESS_REQUIRED);
2900 extract_token(newusername, entargs, 5, '|', sizeof newusername);
2901 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2902 safestrncpy(CC->fake_postname, newusername,
2903 sizeof(CC->fake_postname) );
2904 cprintf("%d ok\n", CIT_OK);
2907 CC->cs_flags |= CS_POSTING;
2909 /* In the Mail> room we have to behave a little differently --
2910 * make sure the user has specified at least one recipient. Then
2911 * validate the recipient(s).
2913 if ( (CC->room.QRflags & QR_MAILBOX)
2914 && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) ) {
2916 if (CC->user.axlevel < 2) {
2917 strcpy(recp, "sysop");
2922 valid_to = validate_recipients(recp);
2923 if (valid_to->num_error > 0) {
2924 cprintf("%d Invalid recipient (To)\n", ERROR + NO_SUCH_USER);
2929 valid_cc = validate_recipients(cc);
2930 if (valid_cc->num_error > 0) {
2931 cprintf("%d Invalid recipient (CC)\n", ERROR + NO_SUCH_USER);
2937 valid_bcc = validate_recipients(bcc);
2938 if (valid_bcc->num_error > 0) {
2939 cprintf("%d Invalid recipient (BCC)\n", ERROR + NO_SUCH_USER);
2946 /* Recipient required, but none were specified */
2947 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
2951 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
2955 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
2956 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
2957 cprintf("%d You do not have permission "
2958 "to send Internet mail.\n",
2959 ERROR + HIGHER_ACCESS_REQUIRED);
2967 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)
2968 && (CC->user.axlevel < 4) ) {
2969 cprintf("%d Higher access required for network mail.\n",
2970 ERROR + HIGHER_ACCESS_REQUIRED);
2977 if ((RESTRICT_INTERNET == 1)
2978 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
2979 && ((CC->user.flags & US_INTERNET) == 0)
2980 && (!CC->internal_pgm)) {
2981 cprintf("%d You don't have access to Internet mail.\n",
2982 ERROR + HIGHER_ACCESS_REQUIRED);
2991 /* Is this a room which has anonymous-only or anonymous-option? */
2992 anonymous = MES_NORMAL;
2993 if (CC->room.QRflags & QR_ANONONLY) {
2994 anonymous = MES_ANONONLY;
2996 if (CC->room.QRflags & QR_ANONOPT) {
2997 if (anon_flag == 1) { /* only if the user requested it */
2998 anonymous = MES_ANONOPT;
3002 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
3006 /* If we're only checking the validity of the request, return
3007 * success without creating the message.
3010 cprintf("%d %s\n", CIT_OK,
3011 ((valid_to != NULL) ? valid_to->display_recp : "") );
3018 /* We don't need these anymore because we'll do it differently below */
3023 /* Handle author masquerading */
3024 if (CC->fake_postname[0]) {
3025 strcpy(masquerade_as, CC->fake_postname);
3027 else if (CC->fake_username[0]) {
3028 strcpy(masquerade_as, CC->fake_username);
3031 strcpy(masquerade_as, "");
3034 /* Read in the message from the client. */
3036 cprintf("%d send message\n", START_CHAT_MODE);
3038 cprintf("%d send message\n", SEND_LISTING);
3041 msg = CtdlMakeMessage(&CC->user, recp, cc,
3042 CC->room.QRname, anonymous, format_type,
3043 masquerade_as, subject, NULL);
3045 /* Put together one big recipients struct containing to/cc/bcc all in
3046 * one. This is for the envelope.
3048 char *all_recps = malloc(SIZ * 3);
3049 strcpy(all_recps, recp);
3050 if (strlen(cc) > 0) {
3051 if (strlen(all_recps) > 0) {
3052 strcat(all_recps, ",");
3054 strcat(all_recps, cc);
3056 if (strlen(bcc) > 0) {
3057 if (strlen(all_recps) > 0) {
3058 strcat(all_recps, ",");
3060 strcat(all_recps, bcc);
3062 if (strlen(all_recps) > 0) {
3063 valid = validate_recipients(all_recps);
3071 msgnum = CtdlSubmitMsg(msg, valid, "");
3074 cprintf("%ld\n", msgnum);
3076 cprintf("Message accepted.\n");
3079 cprintf("Internal error.\n");
3081 if (msg->cm_fields['E'] != NULL) {
3082 cprintf("%s\n", msg->cm_fields['E']);
3089 CtdlFreeMessage(msg);
3091 CC->fake_postname[0] = '\0';
3092 if (valid != NULL) {
3101 * API function to delete messages which match a set of criteria
3102 * (returns the actual number of messages deleted)
3104 int CtdlDeleteMessages(char *room_name, /* which room */
3105 long dmsgnum, /* or "0" for any */
3106 char *content_type, /* or "" for any */
3107 int deferred /* let TDAP sweep it later */
3111 struct ctdlroom qrbuf;
3112 struct cdbdata *cdbfr;
3113 long *msglist = NULL;
3114 long *dellist = NULL;
3117 int num_deleted = 0;
3119 struct MetaData smi;
3121 lprintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %ld, %s, %d)\n",
3122 room_name, dmsgnum, content_type, deferred);
3124 /* get room record, obtaining a lock... */
3125 if (lgetroom(&qrbuf, room_name) != 0) {
3126 lprintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
3128 return (0); /* room not found */
3130 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
3132 if (cdbfr != NULL) {
3133 dellist = malloc(cdbfr->len);
3134 msglist = (long *) cdbfr->ptr;
3135 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
3136 num_msgs = cdbfr->len / sizeof(long);
3140 for (i = 0; i < num_msgs; ++i) {
3143 /* Set/clear a bit for each criterion */
3145 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
3146 delete_this |= 0x01;
3148 if (strlen(content_type) == 0) {
3149 delete_this |= 0x02;
3151 GetMetaData(&smi, msglist[i]);
3152 if (!strcasecmp(smi.meta_content_type,
3154 delete_this |= 0x02;
3158 /* Delete message only if all bits are set */
3159 if (delete_this == 0x03) {
3160 dellist[num_deleted++] = msglist[i];
3165 num_msgs = sort_msglist(msglist, num_msgs);
3166 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
3167 msglist, (int)(num_msgs * sizeof(long)));
3169 qrbuf.QRhighest = msglist[num_msgs - 1];
3174 * If the delete operation is "deferred" (and technically, any delete
3175 * operation not performed by THE DREADED AUTO-PURGER ought to be
3176 * a deferred delete) then we save a pointer to the message in the
3177 * DELETED_MSGS_ROOM. This will cause the reference count to remain
3178 * at least 1, which will save the user from having to synchronously
3179 * wait for various disk-intensive operations to complete.
3181 if ( (deferred) && (num_deleted) ) {
3182 for (i=0; i<num_deleted; ++i) {
3183 CtdlCopyMsgToRoom(dellist[i], DELETED_MSGS_ROOM);
3187 /* Go through the messages we pulled out of the index, and decrement
3188 * their reference counts by 1. If this is the only room the message
3189 * was in, the reference count will reach zero and the message will
3190 * automatically be deleted from the database. We do this in a
3191 * separate pass because there might be plug-in hooks getting called,
3192 * and we don't want that happening during an S_ROOMS critical
3195 if (num_deleted) for (i=0; i<num_deleted; ++i) {
3196 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
3197 AdjRefCount(dellist[i], -1);
3200 /* Now free the memory we used, and go away. */
3201 if (msglist != NULL) free(msglist);
3202 if (dellist != NULL) free(dellist);
3203 lprintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
3204 return (num_deleted);
3210 * Check whether the current user has permission to delete messages from
3211 * the current room (returns 1 for yes, 0 for no)
3213 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
3214 getuser(&CC->user, CC->curr_user);
3215 if ((CC->user.axlevel < 6)
3216 && (CC->user.usernum != CC->room.QRroomaide)
3217 && ((CC->room.QRflags & QR_MAILBOX) == 0)
3218 && (!(CC->internal_pgm))) {
3227 * Delete message from current room
3229 void cmd_dele(char *delstr)
3234 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
3235 cprintf("%d Higher access required.\n",
3236 ERROR + HIGHER_ACCESS_REQUIRED);
3239 delnum = extract_long(delstr, 0);
3241 num_deleted = CtdlDeleteMessages(CC->room.QRname, delnum, "", 1);
3244 cprintf("%d %d message%s deleted.\n", CIT_OK,
3245 num_deleted, ((num_deleted != 1) ? "s" : ""));
3247 cprintf("%d Message %ld not found.\n", ERROR + MESSAGE_NOT_FOUND, delnum);
3253 * Back end API function for moves and deletes
3255 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
3258 err = CtdlSaveMsgPointerInRoom(dest, msgnum, 1, NULL);
3259 if (err != 0) return(err);
3267 * move or copy a message to another room
3269 void cmd_move(char *args)
3272 char targ[ROOMNAMELEN];
3273 struct ctdlroom qtemp;
3279 num = extract_long(args, 0);
3280 extract_token(targ, args, 1, '|', sizeof targ);
3281 targ[ROOMNAMELEN - 1] = 0;
3282 is_copy = extract_int(args, 2);
3284 if (getroom(&qtemp, targ) != 0) {
3285 cprintf("%d '%s' does not exist.\n",
3286 ERROR + ROOM_NOT_FOUND, targ);
3290 getuser(&CC->user, CC->curr_user);
3291 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
3293 /* Check for permission to perform this operation.
3294 * Remember: "CC->room" is source, "qtemp" is target.
3298 /* Aides can move/copy */
3299 if (CC->user.axlevel >= 6) permit = 1;
3301 /* Room aides can move/copy */
3302 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
3304 /* Permit move/copy from personal rooms */
3305 if ((CC->room.QRflags & QR_MAILBOX)
3306 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3308 /* Permit only copy from public to personal room */
3310 && (!(CC->room.QRflags & QR_MAILBOX))
3311 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3313 /* User must have access to target room */
3314 if (!(ra & UA_KNOWN)) permit = 0;
3317 cprintf("%d Higher access required.\n",
3318 ERROR + HIGHER_ACCESS_REQUIRED);
3322 err = CtdlCopyMsgToRoom(num, targ);
3324 cprintf("%d Cannot store message in %s: error %d\n",
3329 /* Now delete the message from the source room,
3330 * if this is a 'move' rather than a 'copy' operation.
3333 CtdlDeleteMessages(CC->room.QRname, num, "", 0);
3336 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
3342 * GetMetaData() - Get the supplementary record for a message
3344 void GetMetaData(struct MetaData *smibuf, long msgnum)
3347 struct cdbdata *cdbsmi;
3350 memset(smibuf, 0, sizeof(struct MetaData));
3351 smibuf->meta_msgnum = msgnum;
3352 smibuf->meta_refcount = 1; /* Default reference count is 1 */
3354 /* Use the negative of the message number for its supp record index */
3355 TheIndex = (0L - msgnum);
3357 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
3358 if (cdbsmi == NULL) {
3359 return; /* record not found; go with defaults */
3361 memcpy(smibuf, cdbsmi->ptr,
3362 ((cdbsmi->len > sizeof(struct MetaData)) ?
3363 sizeof(struct MetaData) : cdbsmi->len));
3370 * PutMetaData() - (re)write supplementary record for a message
3372 void PutMetaData(struct MetaData *smibuf)
3376 /* Use the negative of the message number for the metadata db index */
3377 TheIndex = (0L - smibuf->meta_msgnum);
3379 lprintf(CTDL_DEBUG, "PutMetaData(%ld) - ref count is %d\n",
3380 smibuf->meta_msgnum, smibuf->meta_refcount);
3382 cdb_store(CDB_MSGMAIN,
3383 &TheIndex, (int)sizeof(long),
3384 smibuf, (int)sizeof(struct MetaData));
3389 * AdjRefCount - change the reference count for a message;
3390 * delete the message if it reaches zero
3392 void AdjRefCount(long msgnum, int incr)
3395 struct MetaData smi;
3398 /* This is a *tight* critical section; please keep it that way, as
3399 * it may get called while nested in other critical sections.
3400 * Complicating this any further will surely cause deadlock!
3402 begin_critical_section(S_SUPPMSGMAIN);
3403 GetMetaData(&smi, msgnum);
3404 smi.meta_refcount += incr;
3406 end_critical_section(S_SUPPMSGMAIN);
3407 lprintf(CTDL_DEBUG, "msg %ld ref count incr %d, is now %d\n",
3408 msgnum, incr, smi.meta_refcount);
3410 /* If the reference count is now zero, delete the message
3411 * (and its supplementary record as well).
3413 if (smi.meta_refcount == 0) {
3414 lprintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
3416 /* Remove from fulltext index */
3417 if (config.c_enable_fulltext) {
3418 ft_index_message(msgnum, 0);
3421 /* Remove from message base */
3423 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
3424 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
3426 /* Remove metadata record */
3427 delnum = (0L - msgnum);
3428 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
3433 * Write a generic object to this room
3435 * Note: this could be much more efficient. Right now we use two temporary
3436 * files, and still pull the message into memory as with all others.
3438 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3439 char *content_type, /* MIME type of this object */
3440 char *tempfilename, /* Where to fetch it from */
3441 struct ctdluser *is_mailbox, /* Mailbox room? */
3442 int is_binary, /* Is encoding necessary? */
3443 int is_unique, /* Del others of this type? */
3444 unsigned int flags /* Internal save flags */
3449 struct ctdlroom qrbuf;
3450 char roomname[ROOMNAMELEN];
3451 struct CtdlMessage *msg;
3453 char *raw_message = NULL;
3454 char *encoded_message = NULL;
3455 off_t raw_length = 0;
3457 if (is_mailbox != NULL)
3458 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
3460 safestrncpy(roomname, req_room, sizeof(roomname));
3461 lprintf(CTDL_DEBUG, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
3464 fp = fopen(tempfilename, "rb");
3466 lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
3467 tempfilename, strerror(errno));
3470 fseek(fp, 0L, SEEK_END);
3471 raw_length = ftell(fp);
3473 lprintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
3475 raw_message = malloc((size_t)raw_length + 2);
3476 fread(raw_message, (size_t)raw_length, 1, fp);
3480 encoded_message = malloc((size_t)
3481 (((raw_length * 134) / 100) + 4096 ) );
3484 encoded_message = malloc((size_t)(raw_length + 4096));
3487 sprintf(encoded_message, "Content-type: %s\n", content_type);
3490 sprintf(&encoded_message[strlen(encoded_message)],
3491 "Content-transfer-encoding: base64\n\n"
3495 sprintf(&encoded_message[strlen(encoded_message)],
3496 "Content-transfer-encoding: 7bit\n\n"
3502 &encoded_message[strlen(encoded_message)],
3508 raw_message[raw_length] = 0;
3510 &encoded_message[strlen(encoded_message)],
3518 lprintf(CTDL_DEBUG, "Allocating\n");
3519 msg = malloc(sizeof(struct CtdlMessage));
3520 memset(msg, 0, sizeof(struct CtdlMessage));
3521 msg->cm_magic = CTDLMESSAGE_MAGIC;
3522 msg->cm_anon_type = MES_NORMAL;
3523 msg->cm_format_type = 4;
3524 msg->cm_fields['A'] = strdup(CC->user.fullname);
3525 msg->cm_fields['O'] = strdup(req_room);
3526 msg->cm_fields['N'] = strdup(config.c_nodename);
3527 msg->cm_fields['H'] = strdup(config.c_humannode);
3528 msg->cm_flags = flags;
3530 msg->cm_fields['M'] = encoded_message;
3532 /* Create the requested room if we have to. */
3533 if (getroom(&qrbuf, roomname) != 0) {
3534 create_room(roomname,
3535 ( (is_mailbox != NULL) ? 5 : 3 ),
3536 "", 0, 1, 0, VIEW_BBS);
3538 /* If the caller specified this object as unique, delete all
3539 * other objects of this type that are currently in the room.
3542 lprintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
3543 CtdlDeleteMessages(roomname, 0L, content_type, 0)
3546 /* Now write the data */
3547 CtdlSubmitMsg(msg, NULL, roomname);
3548 CtdlFreeMessage(msg);
3556 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
3557 config_msgnum = msgnum;
3561 char *CtdlGetSysConfig(char *sysconfname) {
3562 char hold_rm[ROOMNAMELEN];
3565 struct CtdlMessage *msg;
3568 strcpy(hold_rm, CC->room.QRname);
3569 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
3570 getroom(&CC->room, hold_rm);
3575 /* We want the last (and probably only) config in this room */
3576 begin_critical_section(S_CONFIG);
3577 config_msgnum = (-1L);
3578 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
3579 CtdlGetSysConfigBackend, NULL);
3580 msgnum = config_msgnum;
3581 end_critical_section(S_CONFIG);
3587 msg = CtdlFetchMessage(msgnum, 1);
3589 conf = strdup(msg->cm_fields['M']);
3590 CtdlFreeMessage(msg);
3597 getroom(&CC->room, hold_rm);
3599 if (conf != NULL) do {
3600 extract_token(buf, conf, 0, '\n', sizeof buf);
3601 strcpy(conf, &conf[strlen(buf)+1]);
3602 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
3607 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
3608 char temp[PATH_MAX];
3611 strcpy(temp, tmpnam(NULL));
3613 fp = fopen(temp, "w");
3614 if (fp == NULL) return;
3615 fprintf(fp, "%s", sysconfdata);
3618 /* this handy API function does all the work for us */
3619 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
3625 * Determine whether a given Internet address belongs to the current user
3627 int CtdlIsMe(char *addr, int addr_buf_len)
3629 struct recptypes *recp;
3632 recp = validate_recipients(addr);
3633 if (recp == NULL) return(0);
3635 if (recp->num_local == 0) {
3640 for (i=0; i<recp->num_local; ++i) {
3641 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
3642 if (!strcasecmp(addr, CC->user.fullname)) {
3654 * Citadel protocol command to do the same
3656 void cmd_isme(char *argbuf) {
3659 if (CtdlAccessCheck(ac_logged_in)) return;
3660 extract_token(addr, argbuf, 0, '|', sizeof addr);
3662 if (CtdlIsMe(addr, sizeof addr)) {
3663 cprintf("%d %s\n", CIT_OK, addr);
3666 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);