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,
111 * This function is self explanatory.
112 * (What can I say, I'm in a weird mood today...)
114 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
118 for (i = 0; i < strlen(name); ++i) {
119 if (name[i] == '@') {
120 while (isspace(name[i - 1]) && i > 0) {
121 strcpy(&name[i - 1], &name[i]);
124 while (isspace(name[i + 1])) {
125 strcpy(&name[i + 1], &name[i + 2]);
133 * Aliasing for network mail.
134 * (Error messages have been commented out, because this is a server.)
136 int alias(char *name)
137 { /* process alias and routing info for mail */
140 char aaa[SIZ], bbb[SIZ];
141 char *ignetcfg = NULL;
142 char *ignetmap = NULL;
148 char original_name[256];
149 safestrncpy(original_name, name, sizeof original_name);
152 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
153 stripallbut(name, '<', '>');
155 fp = fopen(file_mail_aliases, "r");
157 fp = fopen("/dev/null", "r");
164 while (fgets(aaa, sizeof aaa, fp) != NULL) {
165 while (isspace(name[0]))
166 strcpy(name, &name[1]);
167 aaa[strlen(aaa) - 1] = 0;
169 for (a = 0; a < strlen(aaa); ++a) {
171 strcpy(bbb, &aaa[a + 1]);
175 if (!strcasecmp(name, aaa))
180 /* Hit the Global Address Book */
181 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
185 if (strcasecmp(original_name, name)) {
186 CtdlLogPrintf(CTDL_INFO, "%s is being forwarded to %s\n", original_name, name);
189 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
190 for (a=0; a<strlen(name); ++a) {
191 if (name[a] == '@') {
192 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
194 CtdlLogPrintf(CTDL_INFO, "Changed to <%s>\n", name);
199 /* determine local or remote type, see citadel.h */
200 at = haschar(name, '@');
201 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
202 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
203 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
205 /* figure out the delivery mode */
206 extract_token(node, name, 1, '@', sizeof node);
208 /* If there are one or more dots in the nodename, we assume that it
209 * is an FQDN and will attempt SMTP delivery to the Internet.
211 if (haschar(node, '.') > 0) {
212 return(MES_INTERNET);
215 /* Otherwise we look in the IGnet maps for a valid Citadel node.
216 * Try directly-connected nodes first...
218 ignetcfg = CtdlGetSysConfig(IGNETCFG);
219 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
220 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
221 extract_token(testnode, buf, 0, '|', sizeof testnode);
222 if (!strcasecmp(node, testnode)) {
230 * Then try nodes that are two or more hops away.
232 ignetmap = CtdlGetSysConfig(IGNETMAP);
233 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
234 extract_token(buf, ignetmap, i, '\n', sizeof buf);
235 extract_token(testnode, buf, 0, '|', sizeof testnode);
236 if (!strcasecmp(node, testnode)) {
243 /* If we get to this point it's an invalid node name */
249 * Back end for the MSGS command: output message number only.
251 void simple_listing(long msgnum, void *userdata)
253 cprintf("%ld\n", msgnum);
259 * Back end for the MSGS command: output header summary.
261 void headers_listing(long msgnum, void *userdata)
263 struct CtdlMessage *msg;
265 msg = CtdlFetchMessage(msgnum, 0);
267 cprintf("%ld|0|||||\n", msgnum);
271 cprintf("%ld|%s|%s|%s|%s|%s|\n",
273 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
274 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
275 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
276 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
277 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
279 CtdlFreeMessage(msg);
284 /* Determine if a given message matches the fields in a message template.
285 * Return 0 for a successful match.
287 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
290 /* If there aren't any fields in the template, all messages will
293 if (template == NULL) return(0);
295 /* Null messages are bogus. */
296 if (msg == NULL) return(1);
298 for (i='A'; i<='Z'; ++i) {
299 if (template->cm_fields[i] != NULL) {
300 if (msg->cm_fields[i] == NULL) {
303 if (strcasecmp(msg->cm_fields[i],
304 template->cm_fields[i])) return 1;
308 /* All compares succeeded: we have a match! */
315 * Retrieve the "seen" message list for the current room.
317 void CtdlGetSeen(char *buf, int which_set) {
320 /* Learn about the user and room in question */
321 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
323 if (which_set == ctdlsetseen_seen)
324 safestrncpy(buf, vbuf.v_seen, SIZ);
325 if (which_set == ctdlsetseen_answered)
326 safestrncpy(buf, vbuf.v_answered, SIZ);
332 * Manipulate the "seen msgs" string (or other message set strings)
334 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
335 int target_setting, int which_set,
336 struct ctdluser *which_user, struct ctdlroom *which_room) {
337 struct cdbdata *cdbfr;
347 char *is_set; /* actually an array of booleans */
351 char setstr[SIZ], lostr[SIZ], histr[SIZ];
353 /* Don't bother doing *anything* if we were passed a list of zero messages */
354 if (num_target_msgnums < 1) {
358 /* If no room was specified, we go with the current room. */
360 which_room = &CC->room;
363 /* If no user was specified, we go with the current user. */
365 which_user = &CC->user;
368 CtdlLogPrintf(CTDL_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
369 num_target_msgnums, target_msgnums[0],
370 (target_setting ? "SET" : "CLEAR"),
374 /* Learn about the user and room in question */
375 CtdlGetRelationship(&vbuf, which_user, which_room);
377 /* Load the message list */
378 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
380 msglist = (long *) cdbfr->ptr;
381 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
382 num_msgs = cdbfr->len / sizeof(long);
385 return; /* No messages at all? No further action. */
388 is_set = malloc(num_msgs * sizeof(char));
389 memset(is_set, 0, (num_msgs * sizeof(char)) );
391 /* Decide which message set we're manipulating */
393 case ctdlsetseen_seen:
394 safestrncpy(vset, vbuf.v_seen, sizeof vset);
396 case ctdlsetseen_answered:
397 safestrncpy(vset, vbuf.v_answered, sizeof vset);
402 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
403 CtdlLogPrintf(CTDL_DEBUG, "There are %d messages in the room.\n", num_msgs);
404 for (i=0; i<num_msgs; ++i) {
405 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
407 CtdlLogPrintf(CTDL_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
408 for (k=0; k<num_target_msgnums; ++k) {
409 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
413 CtdlLogPrintf(CTDL_DEBUG, "before update: %s\n", vset);
415 /* Translate the existing sequence set into an array of booleans */
416 num_sets = num_tokens(vset, ',');
417 for (s=0; s<num_sets; ++s) {
418 extract_token(setstr, vset, s, ',', sizeof setstr);
420 extract_token(lostr, setstr, 0, ':', sizeof lostr);
421 if (num_tokens(setstr, ':') >= 2) {
422 extract_token(histr, setstr, 1, ':', sizeof histr);
425 strcpy(histr, lostr);
428 if (!strcmp(histr, "*")) {
435 for (i = 0; i < num_msgs; ++i) {
436 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
443 /* Now translate the array of booleans back into a sequence set */
449 for (i=0; i<num_msgs; ++i) {
453 for (k=0; k<num_target_msgnums; ++k) {
454 if (msglist[i] == target_msgnums[k]) {
455 is_seen = target_setting;
459 w = 0; /* set to 1 if we write something to the string */
461 if ((was_seen == 0) && (is_seen == 1)) {
464 else if ((was_seen == 1) && (is_seen == 0)) {
468 if (!IsEmptyStr(vset)) {
472 sprintf(&vset[strlen(vset)], "%ld", hi);
475 sprintf(&vset[strlen(vset)], "%ld:%ld", lo, hi);
478 else if ((is_seen) && (i == num_msgs - 1)) {
480 if (!IsEmptyStr(vset)) {
483 if ((i==0) || (was_seen == 0)) {
484 sprintf(&vset[strlen(vset)], "%ld", msglist[i]);
487 sprintf(&vset[strlen(vset)], "%ld:%ld", lo, msglist[i]);
491 /* If the string is getting too long, truncate it at the beginning; repeat up to 9 times */
492 if (w) for (j=0; j<9; ++j) {
493 if ((strlen(vset) + 20) > sizeof vset) {
494 remove_token(vset, 0, ',');
495 if (which_set == ctdlsetseen_seen) {
497 sprintf(temp, "1:%ld,", atol(vset)-1L);
507 CtdlLogPrintf(CTDL_DEBUG, " after update: %s\n", vset);
509 /* Decide which message set we're manipulating */
511 case ctdlsetseen_seen:
512 safestrncpy(vbuf.v_seen, vset, sizeof vbuf.v_seen);
514 case ctdlsetseen_answered:
515 safestrncpy(vbuf.v_answered, vset, sizeof vbuf.v_answered);
521 CtdlSetRelationship(&vbuf, which_user, which_room);
526 * API function to perform an operation for each qualifying message in the
527 * current room. (Returns the number of messages processed.)
529 int CtdlForEachMessage(int mode, long ref, char *search_string,
531 struct CtdlMessage *compare,
532 void (*CallBack) (long, void *),
538 struct cdbdata *cdbfr;
539 long *msglist = NULL;
541 int num_processed = 0;
544 struct CtdlMessage *msg = NULL;
547 int printed_lastold = 0;
548 int num_search_msgs = 0;
549 long *search_msgs = NULL;
551 int need_to_free_re = 0;
554 if ((content_type) && (!IsEmptyStr(content_type))) {
555 regcomp(&re, content_type, 0);
559 /* Learn about the user and room in question */
560 getuser(&CC->user, CC->curr_user);
561 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
563 /* Load the message list */
564 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
566 msglist = (long *) cdbfr->ptr;
567 num_msgs = cdbfr->len / sizeof(long);
569 if (need_to_free_re) regfree(&re);
570 return 0; /* No messages at all? No further action. */
575 * Now begin the traversal.
577 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
579 /* If the caller is looking for a specific MIME type, filter
580 * out all messages which are not of the type requested.
582 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
584 /* This call to GetMetaData() sits inside this loop
585 * so that we only do the extra database read per msg
586 * if we need to. Doing the extra read all the time
587 * really kills the server. If we ever need to use
588 * metadata for another search criterion, we need to
589 * move the read somewhere else -- but still be smart
590 * enough to only do the read if the caller has
591 * specified something that will need it.
593 GetMetaData(&smi, msglist[a]);
595 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
596 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
602 num_msgs = sort_msglist(msglist, num_msgs);
604 /* If a template was supplied, filter out the messages which
605 * don't match. (This could induce some delays!)
608 if (compare != NULL) {
609 for (a = 0; a < num_msgs; ++a) {
610 msg = CtdlFetchMessage(msglist[a], 1);
612 if (CtdlMsgCmp(msg, compare)) {
615 CtdlFreeMessage(msg);
621 /* If a search string was specified, get a message list from
622 * the full text index and remove messages which aren't on both
626 * Since the lists are sorted and strictly ascending, and the
627 * output list is guaranteed to be shorter than or equal to the
628 * input list, we overwrite the bottom of the input list. This
629 * eliminates the need to memmove big chunks of the list over and
632 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
634 /* Call search module via hook mechanism.
635 * NULL means use any search function available.
636 * otherwise replace with a char * to name of search routine
638 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
640 if (num_search_msgs > 0) {
644 orig_num_msgs = num_msgs;
646 for (i=0; i<orig_num_msgs; ++i) {
647 for (j=0; j<num_search_msgs; ++j) {
648 if (msglist[i] == search_msgs[j]) {
649 msglist[num_msgs++] = msglist[i];
655 num_msgs = 0; /* No messages qualify */
657 if (search_msgs != NULL) free(search_msgs);
659 /* Now that we've purged messages which don't contain the search
660 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
667 * Now iterate through the message list, according to the
668 * criteria supplied by the caller.
671 for (a = 0; a < num_msgs; ++a) {
672 thismsg = msglist[a];
673 if (mode == MSGS_ALL) {
677 is_seen = is_msg_in_sequence_set(
678 vbuf.v_seen, thismsg);
679 if (is_seen) lastold = thismsg;
685 || ((mode == MSGS_OLD) && (is_seen))
686 || ((mode == MSGS_NEW) && (!is_seen))
687 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
688 || ((mode == MSGS_FIRST) && (a < ref))
689 || ((mode == MSGS_GT) && (thismsg > ref))
690 || ((mode == MSGS_EQ) && (thismsg == ref))
693 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
695 CallBack(lastold, userdata);
699 if (CallBack) CallBack(thismsg, userdata);
703 cdb_free(cdbfr); /* Clean up */
704 if (need_to_free_re) regfree(&re);
705 return num_processed;
711 * cmd_msgs() - get list of message #'s in this room
712 * implements the MSGS server command using CtdlForEachMessage()
714 void cmd_msgs(char *cmdbuf)
723 int with_template = 0;
724 struct CtdlMessage *template = NULL;
725 int with_headers = 0;
726 char search_string[1024];
728 extract_token(which, cmdbuf, 0, '|', sizeof which);
729 cm_ref = extract_int(cmdbuf, 1);
730 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
731 with_template = extract_int(cmdbuf, 2);
732 with_headers = extract_int(cmdbuf, 3);
735 if (!strncasecmp(which, "OLD", 3))
737 else if (!strncasecmp(which, "NEW", 3))
739 else if (!strncasecmp(which, "FIRST", 5))
741 else if (!strncasecmp(which, "LAST", 4))
743 else if (!strncasecmp(which, "GT", 2))
745 else if (!strncasecmp(which, "SEARCH", 6))
750 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
751 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
755 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
756 cprintf("%d Full text index is not enabled on this server.\n",
757 ERROR + CMD_NOT_SUPPORTED);
763 cprintf("%d Send template then receive message list\n",
765 template = (struct CtdlMessage *)
766 malloc(sizeof(struct CtdlMessage));
767 memset(template, 0, sizeof(struct CtdlMessage));
768 template->cm_magic = CTDLMESSAGE_MAGIC;
769 template->cm_anon_type = MES_NORMAL;
771 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
772 extract_token(tfield, buf, 0, '|', sizeof tfield);
773 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
774 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
775 if (!strcasecmp(tfield, msgkeys[i])) {
776 template->cm_fields[i] =
784 cprintf("%d \n", LISTING_FOLLOWS);
787 CtdlForEachMessage(mode,
788 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
789 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
792 (with_headers ? headers_listing : simple_listing),
795 if (template != NULL) CtdlFreeMessage(template);
803 * help_subst() - support routine for help file viewer
805 void help_subst(char *strbuf, char *source, char *dest)
810 while (p = pattern2(strbuf, source), (p >= 0)) {
811 strcpy(workbuf, &strbuf[p + strlen(source)]);
812 strcpy(&strbuf[p], dest);
813 strcat(strbuf, workbuf);
818 void do_help_subst(char *buffer)
822 help_subst(buffer, "^nodename", config.c_nodename);
823 help_subst(buffer, "^humannode", config.c_humannode);
824 help_subst(buffer, "^fqdn", config.c_fqdn);
825 help_subst(buffer, "^username", CC->user.fullname);
826 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
827 help_subst(buffer, "^usernum", buf2);
828 help_subst(buffer, "^sysadm", config.c_sysadm);
829 help_subst(buffer, "^variantname", CITADEL);
830 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
831 help_subst(buffer, "^maxsessions", buf2);
832 help_subst(buffer, "^bbsdir", ctdl_message_dir);
838 * memfmout() - Citadel text formatter and paginator.
839 * Although the original purpose of this routine was to format
840 * text to the reader's screen width, all we're really using it
841 * for here is to format text out to 80 columns before sending it
842 * to the client. The client software may reformat it again.
845 char *mptr, /* where are we going to get our text from? */
846 char subst, /* nonzero if we should do substitutions */
847 char *nl) /* string to terminate lines with */
855 static int width = 80;
860 c = 1; /* c is the current pos */
864 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
866 buffer[strlen(buffer) + 1] = 0;
867 buffer[strlen(buffer)] = ch;
870 if (buffer[0] == '^')
871 do_help_subst(buffer);
873 buffer[strlen(buffer) + 1] = 0;
875 strcpy(buffer, &buffer[1]);
883 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10)) {
886 if (((old == 13) || (old == 10)) && (isspace(real))) {
891 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
892 cprintf("%s%s", nl, aaa);
901 if ((strlen(aaa) + c) > (width - 5)) {
910 if ((ch == 13) || (ch == 10)) {
911 cprintf("%s%s", aaa, nl);
918 cprintf("%s%s", aaa, nl);
924 * Callback function for mime parser that simply lists the part
926 void list_this_part(char *name, char *filename, char *partnum, char *disp,
927 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
928 char *cbid, void *cbuserdata)
932 ma = (struct ma_info *)cbuserdata;
933 if (ma->is_ma == 0) {
934 cprintf("part=%s|%s|%s|%s|%s|%ld|%s\n",
935 name, filename, partnum, disp, cbtype, (long)length, cbid);
940 * Callback function for multipart prefix
942 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
943 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
944 char *cbid, void *cbuserdata)
948 ma = (struct ma_info *)cbuserdata;
949 if (!strcasecmp(cbtype, "multipart/alternative")) {
953 if (ma->is_ma == 0) {
954 cprintf("pref=%s|%s\n", partnum, cbtype);
959 * Callback function for multipart sufffix
961 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
962 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
963 char *cbid, void *cbuserdata)
967 ma = (struct ma_info *)cbuserdata;
968 if (ma->is_ma == 0) {
969 cprintf("suff=%s|%s\n", partnum, cbtype);
971 if (!strcasecmp(cbtype, "multipart/alternative")) {
978 * Callback function for mime parser that opens a section for downloading
980 void mime_download(char *name, char *filename, char *partnum, char *disp,
981 void *content, char *cbtype, char *cbcharset, size_t length,
982 char *encoding, char *cbid, void *cbuserdata)
985 /* Silently go away if there's already a download open. */
986 if (CC->download_fp != NULL)
990 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
991 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
993 CC->download_fp = tmpfile();
994 if (CC->download_fp == NULL)
997 fwrite(content, length, 1, CC->download_fp);
998 fflush(CC->download_fp);
999 rewind(CC->download_fp);
1001 OpenCmdResult(filename, cbtype);
1008 * Callback function for mime parser that outputs a section all at once.
1009 * We can specify the desired section by part number *or* content-id.
1011 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1012 void *content, char *cbtype, char *cbcharset, size_t length,
1013 char *encoding, char *cbid, void *cbuserdata)
1015 int *found_it = (int *)cbuserdata;
1018 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1019 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1022 cprintf("%d %d\n", BINARY_FOLLOWS, (int)length);
1023 client_write(content, length);
1030 * Load a message from disk into memory.
1031 * This is used by CtdlOutputMsg() and other fetch functions.
1033 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1034 * using the CtdlMessageFree() function.
1036 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1038 struct cdbdata *dmsgtext;
1039 struct CtdlMessage *ret = NULL;
1043 cit_uint8_t field_header;
1045 CtdlLogPrintf(CTDL_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1047 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1048 if (dmsgtext == NULL) {
1051 mptr = dmsgtext->ptr;
1052 upper_bound = mptr + dmsgtext->len;
1054 /* Parse the three bytes that begin EVERY message on disk.
1055 * The first is always 0xFF, the on-disk magic number.
1056 * The second is the anonymous/public type byte.
1057 * The third is the format type byte (vari, fixed, or MIME).
1061 CtdlLogPrintf(CTDL_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1065 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1066 memset(ret, 0, sizeof(struct CtdlMessage));
1068 ret->cm_magic = CTDLMESSAGE_MAGIC;
1069 ret->cm_anon_type = *mptr++; /* Anon type byte */
1070 ret->cm_format_type = *mptr++; /* Format type byte */
1073 * The rest is zero or more arbitrary fields. Load them in.
1074 * We're done when we encounter either a zero-length field or
1075 * have just processed the 'M' (message text) field.
1078 if (mptr >= upper_bound) {
1081 field_header = *mptr++;
1082 ret->cm_fields[field_header] = strdup(mptr);
1084 while (*mptr++ != 0); /* advance to next field */
1086 } while ((mptr < upper_bound) && (field_header != 'M'));
1090 /* Always make sure there's something in the msg text field. If
1091 * it's NULL, the message text is most likely stored separately,
1092 * so go ahead and fetch that. Failing that, just set a dummy
1093 * body so other code doesn't barf.
1095 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1096 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1097 if (dmsgtext != NULL) {
1098 ret->cm_fields['M'] = strdup(dmsgtext->ptr);
1102 if (ret->cm_fields['M'] == NULL) {
1103 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1106 /* Perform "before read" hooks (aborting if any return nonzero) */
1107 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1108 CtdlFreeMessage(ret);
1117 * Returns 1 if the supplied pointer points to a valid Citadel message.
1118 * If the pointer is NULL or the magic number check fails, returns 0.
1120 int is_valid_message(struct CtdlMessage *msg) {
1123 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1124 CtdlLogPrintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
1132 * 'Destructor' for struct CtdlMessage
1134 void CtdlFreeMessage(struct CtdlMessage *msg)
1138 if (is_valid_message(msg) == 0)
1140 if (msg != NULL) free (msg);
1144 for (i = 0; i < 256; ++i)
1145 if (msg->cm_fields[i] != NULL) {
1146 free(msg->cm_fields[i]);
1149 msg->cm_magic = 0; /* just in case */
1155 * Pre callback function for multipart/alternative
1157 * NOTE: this differs from the standard behavior for a reason. Normally when
1158 * displaying multipart/alternative you want to show the _last_ usable
1159 * format in the message. Here we show the _first_ one, because it's
1160 * usually text/plain. Since this set of functions is designed for text
1161 * output to non-MIME-aware clients, this is the desired behavior.
1164 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1165 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1166 char *cbid, void *cbuserdata)
1170 ma = (struct ma_info *)cbuserdata;
1171 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1172 if (!strcasecmp(cbtype, "multipart/alternative")) {
1176 if (!strcasecmp(cbtype, "message/rfc822")) {
1182 * Post callback function for multipart/alternative
1184 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1185 void *content, char *cbtype, char *cbcharset, size_t length,
1186 char *encoding, char *cbid, void *cbuserdata)
1190 ma = (struct ma_info *)cbuserdata;
1191 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1192 if (!strcasecmp(cbtype, "multipart/alternative")) {
1196 if (!strcasecmp(cbtype, "message/rfc822")) {
1202 * Inline callback function for mime parser that wants to display text
1204 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1205 void *content, char *cbtype, char *cbcharset, size_t length,
1206 char *encoding, char *cbid, void *cbuserdata)
1213 ma = (struct ma_info *)cbuserdata;
1215 CtdlLogPrintf(CTDL_DEBUG,
1216 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1217 partnum, filename, cbtype, (long)length);
1220 * If we're in the middle of a multipart/alternative scope and
1221 * we've already printed another section, skip this one.
1223 if ( (ma->is_ma) && (ma->did_print) ) {
1224 CtdlLogPrintf(CTDL_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1229 if ( (!strcasecmp(cbtype, "text/plain"))
1230 || (IsEmptyStr(cbtype)) ) {
1233 client_write(wptr, length);
1234 if (wptr[length-1] != '\n') {
1241 if (!strcasecmp(cbtype, "text/html")) {
1242 ptr = html_to_ascii(content, length, 80, 0);
1244 client_write(ptr, wlen);
1245 if (ptr[wlen-1] != '\n') {
1252 if (ma->use_fo_hooks) {
1253 if (PerformFixedOutputHooks(cbtype, content, length)) {
1254 /* above function returns nonzero if it handled the part */
1259 if (strncasecmp(cbtype, "multipart/", 10)) {
1260 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1261 partnum, filename, cbtype, (long)length);
1267 * The client is elegant and sophisticated and wants to be choosy about
1268 * MIME content types, so figure out which multipart/alternative part
1269 * we're going to send.
1271 * We use a system of weights. When we find a part that matches one of the
1272 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1273 * and then set ma->chosen_pref to that MIME type's position in our preference
1274 * list. If we then hit another match, we only replace the first match if
1275 * the preference value is lower.
1277 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1278 void *content, char *cbtype, char *cbcharset, size_t length,
1279 char *encoding, char *cbid, void *cbuserdata)
1285 ma = (struct ma_info *)cbuserdata;
1287 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1288 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1289 // I don't know if there are any side effects! Please TEST TEST TEST
1290 //if (ma->is_ma > 0) {
1292 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1293 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1294 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1295 if (i < ma->chosen_pref) {
1296 CtdlLogPrintf(CTDL_DEBUG, "Setting chosen part: <%s>\n", partnum);
1297 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1298 ma->chosen_pref = i;
1305 * Now that we've chosen our preferred part, output it.
1307 void output_preferred(char *name, char *filename, char *partnum, char *disp,
1308 void *content, char *cbtype, char *cbcharset, size_t length,
1309 char *encoding, char *cbid, void *cbuserdata)
1313 int add_newline = 0;
1317 ma = (struct ma_info *)cbuserdata;
1319 /* This is not the MIME part you're looking for... */
1320 if (strcasecmp(partnum, ma->chosen_part)) return;
1322 /* If the content-type of this part is in our preferred formats
1323 * list, we can simply output it verbatim.
1325 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1326 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1327 if (!strcasecmp(buf, cbtype)) {
1328 /* Yeah! Go! W00t!! */
1330 text_content = (char *)content;
1331 if (text_content[length-1] != '\n') {
1334 cprintf("Content-type: %s", cbtype);
1335 if (!IsEmptyStr(cbcharset)) {
1336 cprintf("; charset=%s", cbcharset);
1338 cprintf("\nContent-length: %d\n",
1339 (int)(length + add_newline) );
1340 if (!IsEmptyStr(encoding)) {
1341 cprintf("Content-transfer-encoding: %s\n", encoding);
1344 cprintf("Content-transfer-encoding: 7bit\n");
1346 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1348 client_write(content, length);
1349 if (add_newline) cprintf("\n");
1354 /* No translations required or possible: output as text/plain */
1355 cprintf("Content-type: text/plain\n\n");
1356 fixed_output(name, filename, partnum, disp, content, cbtype, cbcharset,
1357 length, encoding, cbid, cbuserdata);
1362 char desired_section[64];
1369 * Callback function for
1371 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1372 void *content, char *cbtype, char *cbcharset, size_t length,
1373 char *encoding, char *cbid, void *cbuserdata)
1375 struct encapmsg *encap;
1377 encap = (struct encapmsg *)cbuserdata;
1379 /* Only proceed if this is the desired section... */
1380 if (!strcasecmp(encap->desired_section, partnum)) {
1381 encap->msglen = length;
1382 encap->msg = malloc(length + 2);
1383 memcpy(encap->msg, content, length);
1393 * Get a message off disk. (returns om_* values found in msgbase.h)
1396 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1397 int mode, /* how would you like that message? */
1398 int headers_only, /* eschew the message body? */
1399 int do_proto, /* do Citadel protocol responses? */
1400 int crlf, /* Use CRLF newlines instead of LF? */
1401 char *section, /* NULL or a message/rfc822 section */
1402 int flags /* should the bessage be exported clean? */
1404 struct CtdlMessage *TheMessage = NULL;
1405 int retcode = om_no_such_msg;
1406 struct encapmsg encap;
1408 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputMsg() msgnum=%ld, mode=%d, section=%s\n",
1410 (section ? section : "<>")
1413 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1414 if (do_proto) cprintf("%d Not logged in.\n",
1415 ERROR + NOT_LOGGED_IN);
1416 return(om_not_logged_in);
1419 /* FIXME: check message id against msglist for this room */
1422 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1423 * request that we don't even bother loading the body into memory.
1425 if (headers_only == HEADERS_FAST) {
1426 TheMessage = CtdlFetchMessage(msg_num, 0);
1429 TheMessage = CtdlFetchMessage(msg_num, 1);
1432 if (TheMessage == NULL) {
1433 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1434 ERROR + MESSAGE_NOT_FOUND, msg_num);
1435 return(om_no_such_msg);
1438 /* Here is the weird form of this command, to process only an
1439 * encapsulated message/rfc822 section.
1441 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1442 memset(&encap, 0, sizeof encap);
1443 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1444 mime_parser(TheMessage->cm_fields['M'],
1446 *extract_encapsulated_message,
1447 NULL, NULL, (void *)&encap, 0
1449 CtdlFreeMessage(TheMessage);
1453 encap.msg[encap.msglen] = 0;
1454 TheMessage = convert_internet_message(encap.msg);
1455 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1457 /* Now we let it fall through to the bottom of this
1458 * function, because TheMessage now contains the
1459 * encapsulated message instead of the top-level
1460 * message. Isn't that neat?
1465 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1466 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1467 retcode = om_no_such_msg;
1472 /* Ok, output the message now */
1473 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1474 CtdlFreeMessage(TheMessage);
1480 char *qp_encode_email_addrs(char *source)
1482 char user[256], node[256], name[256];
1483 const char headerStr[] = "=?UTF-8?Q?";
1487 int need_to_encode = 0;
1493 long nAddrPtrMax = 50;
1498 if (source == NULL) return source;
1499 if (IsEmptyStr(source)) return source;
1501 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1502 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1503 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1506 while (!IsEmptyStr (&source[i])) {
1507 if (nColons >= nAddrPtrMax){
1510 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1511 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1512 free (AddrPtr), AddrPtr = ptr;
1514 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1515 memset(&ptr[nAddrPtrMax], 0,
1516 sizeof (long) * nAddrPtrMax);
1518 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1519 free (AddrUtf8), AddrUtf8 = ptr;
1522 if (((unsigned char) source[i] < 32) ||
1523 ((unsigned char) source[i] > 126)) {
1525 AddrUtf8[nColons] = 1;
1527 if (source[i] == '"')
1528 InQuotes = !InQuotes;
1529 if (!InQuotes && source[i] == ',') {
1530 AddrPtr[nColons] = i;
1535 if (need_to_encode == 0) {
1542 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1543 Encoded = (char*) malloc (EncodedMaxLen);
1545 for (i = 0; i < nColons; i++)
1546 source[AddrPtr[i]++] = '\0';
1550 for (i = 0; i < nColons && nPtr != NULL; i++) {
1551 nmax = EncodedMaxLen - (nPtr - Encoded);
1553 process_rfc822_addr(&source[AddrPtr[i]],
1557 /* TODO: libIDN here ! */
1558 if (IsEmptyStr(name)) {
1559 n = snprintf(nPtr, nmax,
1560 (i==0)?"%s@%s" : ",%s@%s",
1564 EncodedName = rfc2047encode(name, strlen(name));
1565 n = snprintf(nPtr, nmax,
1566 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1567 EncodedName, user, node);
1572 n = snprintf(nPtr, nmax,
1573 (i==0)?"%s" : ",%s",
1574 &source[AddrPtr[i]]);
1580 ptr = (char*) malloc(EncodedMaxLen * 2);
1581 memcpy(ptr, Encoded, EncodedMaxLen);
1582 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1583 free(Encoded), Encoded = ptr;
1585 i--; /* do it once more with properly lengthened buffer */
1588 for (i = 0; i < nColons; i++)
1589 source[--AddrPtr[i]] = ',';
1597 * Get a message off disk. (returns om_* values found in msgbase.h)
1599 int CtdlOutputPreLoadedMsg(
1600 struct CtdlMessage *TheMessage,
1601 int mode, /* how would you like that message? */
1602 int headers_only, /* eschew the message body? */
1603 int do_proto, /* do Citadel protocol responses? */
1604 int crlf, /* Use CRLF newlines instead of LF? */
1605 int flags /* should the bessage be exported clean? */
1609 cit_uint8_t ch, prev_ch;
1611 char display_name[256];
1613 char *nl; /* newline string */
1615 int subject_found = 0;
1618 /* Buffers needed for RFC822 translation. These are all filled
1619 * using functions that are bounds-checked, and therefore we can
1620 * make them substantially smaller than SIZ.
1627 char datestamp[100];
1629 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
1630 ((TheMessage == NULL) ? "NULL" : "not null"),
1631 mode, headers_only, do_proto, crlf);
1633 strcpy(mid, "unknown");
1634 nl = (crlf ? "\r\n" : "\n");
1636 if (!is_valid_message(TheMessage)) {
1637 CtdlLogPrintf(CTDL_ERR,
1638 "ERROR: invalid preloaded message for output\n");
1640 return(om_no_such_msg);
1643 /* Are we downloading a MIME component? */
1644 if (mode == MT_DOWNLOAD) {
1645 if (TheMessage->cm_format_type != FMT_RFC822) {
1647 cprintf("%d This is not a MIME message.\n",
1648 ERROR + ILLEGAL_VALUE);
1649 } else if (CC->download_fp != NULL) {
1650 if (do_proto) cprintf(
1651 "%d You already have a download open.\n",
1652 ERROR + RESOURCE_BUSY);
1654 /* Parse the message text component */
1655 mptr = TheMessage->cm_fields['M'];
1656 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
1657 /* If there's no file open by this time, the requested
1658 * section wasn't found, so print an error
1660 if (CC->download_fp == NULL) {
1661 if (do_proto) cprintf(
1662 "%d Section %s not found.\n",
1663 ERROR + FILE_NOT_FOUND,
1664 CC->download_desired_section);
1667 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1670 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
1671 * in a single server operation instead of opening a download file.
1673 if (mode == MT_SPEW_SECTION) {
1674 if (TheMessage->cm_format_type != FMT_RFC822) {
1676 cprintf("%d This is not a MIME message.\n",
1677 ERROR + ILLEGAL_VALUE);
1679 /* Parse the message text component */
1682 mptr = TheMessage->cm_fields['M'];
1683 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
1684 /* If section wasn't found, print an error
1687 if (do_proto) cprintf(
1688 "%d Section %s not found.\n",
1689 ERROR + FILE_NOT_FOUND,
1690 CC->download_desired_section);
1693 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1696 /* now for the user-mode message reading loops */
1697 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
1699 /* Does the caller want to skip the headers? */
1700 if (headers_only == HEADERS_NONE) goto START_TEXT;
1702 /* Tell the client which format type we're using. */
1703 if ( (mode == MT_CITADEL) && (do_proto) ) {
1704 cprintf("type=%d\n", TheMessage->cm_format_type);
1707 /* nhdr=yes means that we're only displaying headers, no body */
1708 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1709 && (mode == MT_CITADEL)
1712 cprintf("nhdr=yes\n");
1715 /* begin header processing loop for Citadel message format */
1717 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1719 safestrncpy(display_name, "<unknown>", sizeof display_name);
1720 if (TheMessage->cm_fields['A']) {
1721 strcpy(buf, TheMessage->cm_fields['A']);
1722 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1723 safestrncpy(display_name, "****", sizeof display_name);
1725 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1726 safestrncpy(display_name, "anonymous", sizeof display_name);
1729 safestrncpy(display_name, buf, sizeof display_name);
1731 if ((is_room_aide())
1732 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1733 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1734 size_t tmp = strlen(display_name);
1735 snprintf(&display_name[tmp],
1736 sizeof display_name - tmp,
1741 /* Don't show Internet address for users on the
1742 * local Citadel network.
1745 if (TheMessage->cm_fields['N'] != NULL)
1746 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1747 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1751 /* Now spew the header fields in the order we like them. */
1752 safestrncpy(allkeys, FORDER, sizeof allkeys);
1753 for (i=0; i<strlen(allkeys); ++i) {
1754 k = (int) allkeys[i];
1756 if ( (TheMessage->cm_fields[k] != NULL)
1757 && (msgkeys[k] != NULL) ) {
1759 if (do_proto) cprintf("%s=%s\n",
1763 else if ((k == 'F') && (suppress_f)) {
1766 /* Masquerade display name if needed */
1768 if (do_proto) cprintf("%s=%s\n",
1770 TheMessage->cm_fields[k]
1779 /* begin header processing loop for RFC822 transfer format */
1784 strcpy(snode, NODENAME);
1785 if (mode == MT_RFC822) {
1786 for (i = 0; i < 256; ++i) {
1787 if (TheMessage->cm_fields[i]) {
1788 mptr = mpptr = TheMessage->cm_fields[i];
1791 safestrncpy(luser, mptr, sizeof luser);
1792 safestrncpy(suser, mptr, sizeof suser);
1794 else if (i == 'Y') {
1795 if ((flags & QP_EADDR) != 0)
1796 mptr = qp_encode_email_addrs(mptr);
1797 cprintf("CC: %s%s", mptr, nl);
1799 else if (i == 'P') {
1800 cprintf("Return-Path: %s%s", mptr, nl);
1802 else if (i == 'L') {
1803 cprintf("List-ID: %s%s", mptr, nl);
1805 else if (i == 'V') {
1806 if ((flags & QP_EADDR) != 0)
1807 mptr = qp_encode_email_addrs(mptr);
1808 cprintf("Envelope-To: %s%s", mptr, nl);
1810 else if (i == 'U') {
1811 cprintf("Subject: %s%s", mptr, nl);
1815 safestrncpy(mid, mptr, sizeof mid);
1817 safestrncpy(fuser, mptr, sizeof fuser);
1818 /* else if (i == 'O')
1819 cprintf("X-Citadel-Room: %s%s",
1822 safestrncpy(snode, mptr, sizeof snode);
1825 if (haschar(mptr, '@') == 0)
1827 cprintf("To: %s@%s%s", mptr, config.c_fqdn, nl);
1831 if ((flags & QP_EADDR) != 0)
1832 mptr = qp_encode_email_addrs(mptr);
1833 cprintf("To: %s%s", mptr, nl);
1836 else if (i == 'T') {
1837 datestring(datestamp, sizeof datestamp,
1838 atol(mptr), DATESTRING_RFC822);
1839 cprintf("Date: %s%s", datestamp, nl);
1841 else if (i == 'W') {
1842 cprintf("References: ");
1843 k = num_tokens(mptr, '|');
1844 for (j=0; j<k; ++j) {
1845 extract_token(buf, mptr, j, '|', sizeof buf);
1846 cprintf("<%s>", buf);
1859 if (subject_found == 0) {
1860 cprintf("Subject: (no subject)%s", nl);
1864 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
1865 suser[i] = tolower(suser[i]);
1866 if (!isalnum(suser[i])) suser[i]='_';
1869 if (mode == MT_RFC822) {
1870 if (!strcasecmp(snode, NODENAME)) {
1871 safestrncpy(snode, FQDN, sizeof snode);
1874 /* Construct a fun message id */
1875 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
1876 if (strchr(mid, '@')==NULL) {
1877 cprintf("@%s", snode);
1881 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
1882 cprintf("From: \"----\" <x@x.org>%s", nl);
1884 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
1885 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
1887 else if (!IsEmptyStr(fuser)) {
1888 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
1891 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
1894 /* Blank line signifying RFC822 end-of-headers */
1895 if (TheMessage->cm_format_type != FMT_RFC822) {
1900 /* end header processing loop ... at this point, we're in the text */
1902 if (headers_only == HEADERS_FAST) goto DONE;
1903 mptr = TheMessage->cm_fields['M'];
1905 /* Tell the client about the MIME parts in this message */
1906 if (TheMessage->cm_format_type == FMT_RFC822) {
1907 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1908 memset(&ma, 0, sizeof(struct ma_info));
1909 mime_parser(mptr, NULL,
1910 (do_proto ? *list_this_part : NULL),
1911 (do_proto ? *list_this_pref : NULL),
1912 (do_proto ? *list_this_suff : NULL),
1915 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1916 char *start_of_text = NULL;
1917 start_of_text = strstr(mptr, "\n\r\n");
1918 if (start_of_text == NULL) start_of_text = strstr(mptr, "\n\n");
1919 if (start_of_text == NULL) start_of_text = mptr;
1921 start_of_text = strstr(start_of_text, "\n");
1926 int nllen = strlen(nl);
1928 while (ch=*mptr, ch!=0) {
1934 ((headers_only == HEADERS_NONE) && (mptr >= start_of_text))
1935 || ((headers_only == HEADERS_ONLY) && (mptr < start_of_text))
1936 || ((headers_only != HEADERS_NONE) && (headers_only != HEADERS_ONLY))
1939 sprintf(&outbuf[outlen], "%s", nl);
1943 outbuf[outlen++] = ch;
1947 if (flags & ESC_DOT)
1949 if ((prev_ch == 10) && (ch == '.') && ((*(mptr+1) == 13) || (*(mptr+1) == 10)))
1951 outbuf[outlen++] = '.';
1956 if (outlen > 1000) {
1957 client_write(outbuf, outlen);
1962 client_write(outbuf, outlen);
1970 if (headers_only == HEADERS_ONLY) {
1974 /* signify start of msg text */
1975 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1976 if (do_proto) cprintf("text\n");
1979 /* If the format type on disk is 1 (fixed-format), then we want
1980 * everything to be output completely literally ... regardless of
1981 * what message transfer format is in use.
1983 if (TheMessage->cm_format_type == FMT_FIXED) {
1985 if (mode == MT_MIME) {
1986 cprintf("Content-type: text/plain\n\n");
1990 while (ch = *mptr++, ch > 0) {
1993 if ((ch == 10) || (buflen > 250)) {
1995 cprintf("%s%s", buf, nl);
2004 if (!IsEmptyStr(buf))
2005 cprintf("%s%s", buf, nl);
2008 /* If the message on disk is format 0 (Citadel vari-format), we
2009 * output using the formatter at 80 columns. This is the final output
2010 * form if the transfer format is RFC822, but if the transfer format
2011 * is Citadel proprietary, it'll still work, because the indentation
2012 * for new paragraphs is correct and the client will reformat the
2013 * message to the reader's screen width.
2015 if (TheMessage->cm_format_type == FMT_CITADEL) {
2016 if (mode == MT_MIME) {
2017 cprintf("Content-type: text/x-citadel-variformat\n\n");
2019 memfmout(mptr, 0, nl);
2022 /* If the message on disk is format 4 (MIME), we've gotta hand it
2023 * off to the MIME parser. The client has already been told that
2024 * this message is format 1 (fixed format), so the callback function
2025 * we use will display those parts as-is.
2027 if (TheMessage->cm_format_type == FMT_RFC822) {
2028 memset(&ma, 0, sizeof(struct ma_info));
2030 if (mode == MT_MIME) {
2031 ma.use_fo_hooks = 0;
2032 strcpy(ma.chosen_part, "1");
2033 ma.chosen_pref = 9999;
2034 mime_parser(mptr, NULL,
2035 *choose_preferred, *fixed_output_pre,
2036 *fixed_output_post, (void *)&ma, 0);
2037 mime_parser(mptr, NULL,
2038 *output_preferred, NULL, NULL, (void *)&ma, CC->msg4_dont_decode);
2041 ma.use_fo_hooks = 1;
2042 mime_parser(mptr, NULL,
2043 *fixed_output, *fixed_output_pre,
2044 *fixed_output_post, (void *)&ma, 0);
2049 DONE: /* now we're done */
2050 if (do_proto) cprintf("000\n");
2057 * display a message (mode 0 - Citadel proprietary)
2059 void cmd_msg0(char *cmdbuf)
2062 int headers_only = HEADERS_ALL;
2064 msgid = extract_long(cmdbuf, 0);
2065 headers_only = extract_int(cmdbuf, 1);
2067 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2073 * display a message (mode 2 - RFC822)
2075 void cmd_msg2(char *cmdbuf)
2078 int headers_only = HEADERS_ALL;
2080 msgid = extract_long(cmdbuf, 0);
2081 headers_only = extract_int(cmdbuf, 1);
2083 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2089 * display a message (mode 3 - IGnet raw format - internal programs only)
2091 void cmd_msg3(char *cmdbuf)
2094 struct CtdlMessage *msg = NULL;
2097 if (CC->internal_pgm == 0) {
2098 cprintf("%d This command is for internal programs only.\n",
2099 ERROR + HIGHER_ACCESS_REQUIRED);
2103 msgnum = extract_long(cmdbuf, 0);
2104 msg = CtdlFetchMessage(msgnum, 1);
2106 cprintf("%d Message %ld not found.\n",
2107 ERROR + MESSAGE_NOT_FOUND, msgnum);
2111 serialize_message(&smr, msg);
2112 CtdlFreeMessage(msg);
2115 cprintf("%d Unable to serialize message\n",
2116 ERROR + INTERNAL_ERROR);
2120 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2121 client_write((char *)smr.ser, (int)smr.len);
2128 * Display a message using MIME content types
2130 void cmd_msg4(char *cmdbuf)
2135 msgid = extract_long(cmdbuf, 0);
2136 extract_token(section, cmdbuf, 1, '|', sizeof section);
2137 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2143 * Client tells us its preferred message format(s)
2145 void cmd_msgp(char *cmdbuf)
2147 if (!strcasecmp(cmdbuf, "dont_decode")) {
2148 CC->msg4_dont_decode = 1;
2149 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2152 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2153 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2159 * Open a component of a MIME message as a download file
2161 void cmd_opna(char *cmdbuf)
2164 char desired_section[128];
2166 msgid = extract_long(cmdbuf, 0);
2167 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2168 safestrncpy(CC->download_desired_section, desired_section,
2169 sizeof CC->download_desired_section);
2170 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2175 * Open a component of a MIME message and transmit it all at once
2177 void cmd_dlat(char *cmdbuf)
2180 char desired_section[128];
2182 msgid = extract_long(cmdbuf, 0);
2183 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2184 safestrncpy(CC->download_desired_section, desired_section,
2185 sizeof CC->download_desired_section);
2186 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2191 * Save one or more message pointers into a specified room
2192 * (Returns 0 for success, nonzero for failure)
2193 * roomname may be NULL to use the current room
2195 * Note that the 'supplied_msg' field may be set to NULL, in which case
2196 * the message will be fetched from disk, by number, if we need to perform
2197 * replication checks. This adds an additional database read, so if the
2198 * caller already has the message in memory then it should be supplied. (Obviously
2199 * this mode of operation only works if we're saving a single message.)
2201 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2202 int do_repl_check, struct CtdlMessage *supplied_msg)
2205 char hold_rm[ROOMNAMELEN];
2206 struct cdbdata *cdbfr;
2209 long highest_msg = 0L;
2212 struct CtdlMessage *msg = NULL;
2214 long *msgs_to_be_merged = NULL;
2215 int num_msgs_to_be_merged = 0;
2217 CtdlLogPrintf(CTDL_DEBUG,
2218 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d)\n",
2219 roomname, num_newmsgs, do_repl_check);
2221 strcpy(hold_rm, CC->room.QRname);
2224 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2225 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2226 if (num_newmsgs > 1) supplied_msg = NULL;
2228 /* Now the regular stuff */
2229 if (lgetroom(&CC->room,
2230 ((roomname != NULL) ? roomname : CC->room.QRname) )
2232 CtdlLogPrintf(CTDL_ERR, "No such room <%s>\n", roomname);
2233 return(ERROR + ROOM_NOT_FOUND);
2237 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2238 num_msgs_to_be_merged = 0;
2241 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2242 if (cdbfr == NULL) {
2246 msglist = (long *) cdbfr->ptr;
2247 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2248 num_msgs = cdbfr->len / sizeof(long);
2253 /* Create a list of msgid's which were supplied by the caller, but do
2254 * not already exist in the target room. It is absolutely taboo to
2255 * have more than one reference to the same message in a room.
2257 for (i=0; i<num_newmsgs; ++i) {
2259 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2260 if (msglist[j] == newmsgidlist[i]) {
2265 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2269 CtdlLogPrintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2272 * Now merge the new messages
2274 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2275 if (msglist == NULL) {
2276 CtdlLogPrintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2278 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2279 num_msgs += num_msgs_to_be_merged;
2281 /* Sort the message list, so all the msgid's are in order */
2282 num_msgs = sort_msglist(msglist, num_msgs);
2284 /* Determine the highest message number */
2285 highest_msg = msglist[num_msgs - 1];
2287 /* Write it back to disk. */
2288 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2289 msglist, (int)(num_msgs * sizeof(long)));
2291 /* Free up the memory we used. */
2294 /* Update the highest-message pointer and unlock the room. */
2295 CC->room.QRhighest = highest_msg;
2296 lputroom(&CC->room);
2298 /* Perform replication checks if necessary */
2299 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2300 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2302 for (i=0; i<num_msgs_to_be_merged; ++i) {
2303 msgid = msgs_to_be_merged[i];
2305 if (supplied_msg != NULL) {
2309 msg = CtdlFetchMessage(msgid, 0);
2313 ReplicationChecks(msg);
2315 /* If the message has an Exclusive ID, index that... */
2316 if (msg->cm_fields['E'] != NULL) {
2317 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2320 /* Free up the memory we may have allocated */
2321 if (msg != supplied_msg) {
2322 CtdlFreeMessage(msg);
2330 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2333 /* Submit this room for processing by hooks */
2334 PerformRoomHooks(&CC->room);
2336 /* Go back to the room we were in before we wandered here... */
2337 getroom(&CC->room, hold_rm);
2339 /* Bump the reference count for all messages which were merged */
2340 for (i=0; i<num_msgs_to_be_merged; ++i) {
2341 AdjRefCount(msgs_to_be_merged[i], +1);
2344 /* Free up memory... */
2345 if (msgs_to_be_merged != NULL) {
2346 free(msgs_to_be_merged);
2349 /* Return success. */
2355 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2358 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2359 int do_repl_check, struct CtdlMessage *supplied_msg)
2361 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg);
2368 * Message base operation to save a new message to the message store
2369 * (returns new message number)
2371 * This is the back end for CtdlSubmitMsg() and should not be directly
2372 * called by server-side modules.
2375 long send_message(struct CtdlMessage *msg) {
2383 /* Get a new message number */
2384 newmsgid = get_new_message_number();
2385 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2387 /* Generate an ID if we don't have one already */
2388 if (msg->cm_fields['I']==NULL) {
2389 msg->cm_fields['I'] = strdup(msgidbuf);
2392 /* If the message is big, set its body aside for storage elsewhere */
2393 if (msg->cm_fields['M'] != NULL) {
2394 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2396 holdM = msg->cm_fields['M'];
2397 msg->cm_fields['M'] = NULL;
2401 /* Serialize our data structure for storage in the database */
2402 serialize_message(&smr, msg);
2405 msg->cm_fields['M'] = holdM;
2409 cprintf("%d Unable to serialize message\n",
2410 ERROR + INTERNAL_ERROR);
2414 /* Write our little bundle of joy into the message base */
2415 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2416 smr.ser, smr.len) < 0) {
2417 CtdlLogPrintf(CTDL_ERR, "Can't store message\n");
2421 cdb_store(CDB_BIGMSGS,
2431 /* Free the memory we used for the serialized message */
2434 /* Return the *local* message ID to the caller
2435 * (even if we're storing an incoming network message)
2443 * Serialize a struct CtdlMessage into the format used on disk and network.
2445 * This function loads up a "struct ser_ret" (defined in server.h) which
2446 * contains the length of the serialized message and a pointer to the
2447 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2449 void serialize_message(struct ser_ret *ret, /* return values */
2450 struct CtdlMessage *msg) /* unserialized msg */
2452 size_t wlen, fieldlen;
2454 static char *forder = FORDER;
2457 * Check for valid message format
2459 if (is_valid_message(msg) == 0) {
2460 CtdlLogPrintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2467 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2468 ret->len = ret->len +
2469 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2471 ret->ser = malloc(ret->len);
2472 if (ret->ser == NULL) {
2473 CtdlLogPrintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2474 (long)ret->len, strerror(errno));
2481 ret->ser[1] = msg->cm_anon_type;
2482 ret->ser[2] = msg->cm_format_type;
2485 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2486 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2487 ret->ser[wlen++] = (char)forder[i];
2488 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2489 wlen = wlen + fieldlen + 1;
2491 if (ret->len != wlen) CtdlLogPrintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2492 (long)ret->len, (long)wlen);
2499 * Serialize a struct CtdlMessage into the format used on disk and network.
2501 * This function loads up a "struct ser_ret" (defined in server.h) which
2502 * contains the length of the serialized message and a pointer to the
2503 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2505 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2506 long Siz) /* how many chars ? */
2510 static char *forder = FORDER;
2514 * Check for valid message format
2516 if (is_valid_message(msg) == 0) {
2517 CtdlLogPrintf(CTDL_ERR, "dump_message() aborting due to invalid message\n");
2521 buf = (char*) malloc (Siz + 1);
2525 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2526 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2527 msg->cm_fields[(int)forder[i]]);
2528 client_write (buf, strlen(buf));
2537 * Check to see if any messages already exist in the current room which
2538 * carry the same Exclusive ID as this one. If any are found, delete them.
2540 void ReplicationChecks(struct CtdlMessage *msg) {
2541 long old_msgnum = (-1L);
2543 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2545 CtdlLogPrintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2548 /* No exclusive id? Don't do anything. */
2549 if (msg == NULL) return;
2550 if (msg->cm_fields['E'] == NULL) return;
2551 if (IsEmptyStr(msg->cm_fields['E'])) return;
2552 /*CtdlLogPrintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2553 msg->cm_fields['E'], CC->room.QRname);*/
2555 old_msgnum = locate_message_by_euid(msg->cm_fields['E'], &CC->room);
2556 if (old_msgnum > 0L) {
2557 CtdlLogPrintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2558 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2565 * Save a message to disk and submit it into the delivery system.
2567 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2568 struct recptypes *recps, /* recipients (if mail) */
2569 char *force, /* force a particular room? */
2570 int flags /* should the bessage be exported clean? */
2572 char submit_filename[128];
2573 char generated_timestamp[32];
2574 char hold_rm[ROOMNAMELEN];
2575 char actual_rm[ROOMNAMELEN];
2576 char force_room[ROOMNAMELEN];
2577 char content_type[SIZ]; /* We have to learn this */
2578 char recipient[SIZ];
2581 struct ctdluser userbuf;
2583 struct MetaData smi;
2584 FILE *network_fp = NULL;
2585 static int seqnum = 1;
2586 struct CtdlMessage *imsg = NULL;
2588 size_t instr_alloc = 0;
2590 char *hold_R, *hold_D;
2591 char *collected_addresses = NULL;
2592 struct addresses_to_be_filed *aptr = NULL;
2593 char *saved_rfc822_version = NULL;
2594 int qualified_for_journaling = 0;
2595 struct CitContext *CCC = CC; /* CachedCitContext - performance boost */
2596 char bounce_to[1024] = "";
2598 CtdlLogPrintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2599 if (is_valid_message(msg) == 0) return(-1); /* self check */
2601 /* If this message has no timestamp, we take the liberty of
2602 * giving it one, right now.
2604 if (msg->cm_fields['T'] == NULL) {
2605 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2606 msg->cm_fields['T'] = strdup(generated_timestamp);
2609 /* If this message has no path, we generate one.
2611 if (msg->cm_fields['P'] == NULL) {
2612 if (msg->cm_fields['A'] != NULL) {
2613 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2614 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2615 if (isspace(msg->cm_fields['P'][a])) {
2616 msg->cm_fields['P'][a] = ' ';
2621 msg->cm_fields['P'] = strdup("unknown");
2625 if (force == NULL) {
2626 strcpy(force_room, "");
2629 strcpy(force_room, force);
2632 /* Learn about what's inside, because it's what's inside that counts */
2633 if (msg->cm_fields['M'] == NULL) {
2634 CtdlLogPrintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2638 switch (msg->cm_format_type) {
2640 strcpy(content_type, "text/x-citadel-variformat");
2643 strcpy(content_type, "text/plain");
2646 strcpy(content_type, "text/plain");
2647 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
2650 safestrncpy(content_type, &mptr[13], sizeof content_type);
2651 striplt(content_type);
2652 aptr = content_type;
2653 while (!IsEmptyStr(aptr)) {
2665 /* Goto the correct room */
2666 CtdlLogPrintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
2667 strcpy(hold_rm, CCC->room.QRname);
2668 strcpy(actual_rm, CCC->room.QRname);
2669 if (recps != NULL) {
2670 strcpy(actual_rm, SENTITEMS);
2673 /* If the user is a twit, move to the twit room for posting */
2675 if (CCC->user.axlevel == 2) {
2676 strcpy(hold_rm, actual_rm);
2677 strcpy(actual_rm, config.c_twitroom);
2678 CtdlLogPrintf(CTDL_DEBUG, "Diverting to twit room\n");
2682 /* ...or if this message is destined for Aide> then go there. */
2683 if (!IsEmptyStr(force_room)) {
2684 strcpy(actual_rm, force_room);
2687 CtdlLogPrintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2688 if (strcasecmp(actual_rm, CCC->room.QRname)) {
2689 /* getroom(&CCC->room, actual_rm); */
2690 usergoto(actual_rm, 0, 1, NULL, NULL);
2694 * If this message has no O (room) field, generate one.
2696 if (msg->cm_fields['O'] == NULL) {
2697 msg->cm_fields['O'] = strdup(CCC->room.QRname);
2700 /* Perform "before save" hooks (aborting if any return nonzero) */
2701 CtdlLogPrintf(CTDL_DEBUG, "Performing before-save hooks\n");
2702 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2705 * If this message has an Exclusive ID, and the room is replication
2706 * checking enabled, then do replication checks.
2708 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
2709 ReplicationChecks(msg);
2712 /* Save it to disk */
2713 CtdlLogPrintf(CTDL_DEBUG, "Saving to disk\n");
2714 newmsgid = send_message(msg);
2715 if (newmsgid <= 0L) return(-5);
2717 /* Write a supplemental message info record. This doesn't have to
2718 * be a critical section because nobody else knows about this message
2721 CtdlLogPrintf(CTDL_DEBUG, "Creating MetaData record\n");
2722 memset(&smi, 0, sizeof(struct MetaData));
2723 smi.meta_msgnum = newmsgid;
2724 smi.meta_refcount = 0;
2725 safestrncpy(smi.meta_content_type, content_type,
2726 sizeof smi.meta_content_type);
2729 * Measure how big this message will be when rendered as RFC822.
2730 * We do this for two reasons:
2731 * 1. We need the RFC822 length for the new metadata record, so the
2732 * POP and IMAP services don't have to calculate message lengths
2733 * while the user is waiting (multiplied by potentially hundreds
2734 * or thousands of messages).
2735 * 2. If journaling is enabled, we will need an RFC822 version of the
2736 * message to attach to the journalized copy.
2738 if (CCC->redirect_buffer != NULL) {
2739 CtdlLogPrintf(CTDL_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
2742 CCC->redirect_buffer = malloc(SIZ);
2743 CCC->redirect_len = 0;
2744 CCC->redirect_alloc = SIZ;
2745 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
2746 smi.meta_rfc822_length = CCC->redirect_len;
2747 saved_rfc822_version = CCC->redirect_buffer;
2748 CCC->redirect_buffer = NULL;
2749 CCC->redirect_len = 0;
2750 CCC->redirect_alloc = 0;
2754 /* Now figure out where to store the pointers */
2755 CtdlLogPrintf(CTDL_DEBUG, "Storing pointers\n");
2757 /* If this is being done by the networker delivering a private
2758 * message, we want to BYPASS saving the sender's copy (because there
2759 * is no local sender; it would otherwise go to the Trashcan).
2761 if ((!CCC->internal_pgm) || (recps == NULL)) {
2762 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2763 CtdlLogPrintf(CTDL_ERR, "ERROR saving message pointer!\n");
2764 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2768 /* For internet mail, drop a copy in the outbound queue room */
2770 if (recps->num_internet > 0) {
2771 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2774 /* If other rooms are specified, drop them there too. */
2776 if (recps->num_room > 0)
2777 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2778 extract_token(recipient, recps->recp_room, i,
2779 '|', sizeof recipient);
2780 CtdlLogPrintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2781 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2784 /* Bump this user's messages posted counter. */
2785 CtdlLogPrintf(CTDL_DEBUG, "Updating user\n");
2786 lgetuser(&CCC->user, CCC->curr_user);
2787 CCC->user.posted = CCC->user.posted + 1;
2788 lputuser(&CCC->user);
2790 /* Decide where bounces need to be delivered */
2791 if (CCC->logged_in) {
2792 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
2795 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
2798 /* If this is private, local mail, make a copy in the
2799 * recipient's mailbox and bump the reference count.
2802 if (recps->num_local > 0)
2803 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2804 extract_token(recipient, recps->recp_local, i,
2805 '|', sizeof recipient);
2806 CtdlLogPrintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2808 if (getuser(&userbuf, recipient) == 0) {
2809 // Add a flag so the Funambol module knows its mail
2810 msg->cm_fields['W'] = strdup(recipient);
2811 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2812 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2813 BumpNewMailCounter(userbuf.usernum);
2814 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
2815 /* Generate a instruction message for the Funambol notification
2816 * server, in the same style as the SMTP queue
2819 instr = malloc(instr_alloc);
2820 snprintf(instr, instr_alloc,
2821 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2823 SPOOLMIME, newmsgid, (long)time(NULL),
2827 imsg = malloc(sizeof(struct CtdlMessage));
2828 memset(imsg, 0, sizeof(struct CtdlMessage));
2829 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2830 imsg->cm_anon_type = MES_NORMAL;
2831 imsg->cm_format_type = FMT_RFC822;
2832 imsg->cm_fields['A'] = strdup("Citadel");
2833 imsg->cm_fields['J'] = strdup("do not journal");
2834 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
2835 imsg->cm_fields['W'] = strdup(recipient);
2836 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
2837 CtdlFreeMessage(imsg);
2841 CtdlLogPrintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2842 CtdlSaveMsgPointerInRoom(config.c_aideroom,
2847 /* Perform "after save" hooks */
2848 CtdlLogPrintf(CTDL_DEBUG, "Performing after-save hooks\n");
2849 PerformMessageHooks(msg, EVT_AFTERSAVE);
2851 /* For IGnet mail, we have to save a new copy into the spooler for
2852 * each recipient, with the R and D fields set to the recipient and
2853 * destination-node. This has two ugly side effects: all other
2854 * recipients end up being unlisted in this recipient's copy of the
2855 * message, and it has to deliver multiple messages to the same
2856 * node. We'll revisit this again in a year or so when everyone has
2857 * a network spool receiver that can handle the new style messages.
2860 if (recps->num_ignet > 0)
2861 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2862 extract_token(recipient, recps->recp_ignet, i,
2863 '|', sizeof recipient);
2865 hold_R = msg->cm_fields['R'];
2866 hold_D = msg->cm_fields['D'];
2867 msg->cm_fields['R'] = malloc(SIZ);
2868 msg->cm_fields['D'] = malloc(128);
2869 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
2870 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
2872 serialize_message(&smr, msg);
2874 snprintf(submit_filename, sizeof submit_filename,
2875 "%s/netmail.%04lx.%04x.%04x",
2877 (long) getpid(), CCC->cs_pid, ++seqnum);
2878 network_fp = fopen(submit_filename, "wb+");
2879 if (network_fp != NULL) {
2880 fwrite(smr.ser, smr.len, 1, network_fp);
2886 free(msg->cm_fields['R']);
2887 free(msg->cm_fields['D']);
2888 msg->cm_fields['R'] = hold_R;
2889 msg->cm_fields['D'] = hold_D;
2892 /* Go back to the room we started from */
2893 CtdlLogPrintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2894 if (strcasecmp(hold_rm, CCC->room.QRname))
2895 usergoto(hold_rm, 0, 1, NULL, NULL);
2897 /* For internet mail, generate delivery instructions.
2898 * Yes, this is recursive. Deal with it. Infinite recursion does
2899 * not happen because the delivery instructions message does not
2900 * contain a recipient.
2903 if (recps->num_internet > 0) {
2904 CtdlLogPrintf(CTDL_DEBUG, "Generating delivery instructions\n");
2906 instr = malloc(instr_alloc);
2907 snprintf(instr, instr_alloc,
2908 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2910 SPOOLMIME, newmsgid, (long)time(NULL),
2914 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2915 size_t tmp = strlen(instr);
2916 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
2917 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
2918 instr_alloc = instr_alloc * 2;
2919 instr = realloc(instr, instr_alloc);
2921 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
2924 imsg = malloc(sizeof(struct CtdlMessage));
2925 memset(imsg, 0, sizeof(struct CtdlMessage));
2926 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2927 imsg->cm_anon_type = MES_NORMAL;
2928 imsg->cm_format_type = FMT_RFC822;
2929 imsg->cm_fields['A'] = strdup("Citadel");
2930 imsg->cm_fields['J'] = strdup("do not journal");
2931 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
2932 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
2933 CtdlFreeMessage(imsg);
2937 * Any addresses to harvest for someone's address book?
2939 if ( (CCC->logged_in) && (recps != NULL) ) {
2940 collected_addresses = harvest_collected_addresses(msg);
2943 if (collected_addresses != NULL) {
2944 aptr = (struct addresses_to_be_filed *)
2945 malloc(sizeof(struct addresses_to_be_filed));
2946 MailboxName(actual_rm, sizeof actual_rm,
2947 &CCC->user, USERCONTACTSROOM);
2948 aptr->roomname = strdup(actual_rm);
2949 aptr->collected_addresses = collected_addresses;
2950 begin_critical_section(S_ATBF);
2953 end_critical_section(S_ATBF);
2957 * Determine whether this message qualifies for journaling.
2959 if (msg->cm_fields['J'] != NULL) {
2960 qualified_for_journaling = 0;
2963 if (recps == NULL) {
2964 qualified_for_journaling = config.c_journal_pubmsgs;
2966 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
2967 qualified_for_journaling = config.c_journal_email;
2970 qualified_for_journaling = config.c_journal_pubmsgs;
2975 * Do we have to perform journaling? If so, hand off the saved
2976 * RFC822 version will be handed off to the journaler for background
2977 * submit. Otherwise, we have to free the memory ourselves.
2979 if (saved_rfc822_version != NULL) {
2980 if (qualified_for_journaling) {
2981 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
2984 free(saved_rfc822_version);
2997 * Convenience function for generating small administrative messages.
2999 void quickie_message(char *from, char *fromaddr, char *to, char *room, char *text,
3000 int format_type, char *subject)
3002 struct CtdlMessage *msg;
3003 struct recptypes *recp = NULL;
3005 msg = malloc(sizeof(struct CtdlMessage));
3006 memset(msg, 0, sizeof(struct CtdlMessage));
3007 msg->cm_magic = CTDLMESSAGE_MAGIC;
3008 msg->cm_anon_type = MES_NORMAL;
3009 msg->cm_format_type = format_type;
3012 msg->cm_fields['A'] = strdup(from);
3014 else if (fromaddr != NULL) {
3015 msg->cm_fields['A'] = strdup(fromaddr);
3016 if (strchr(msg->cm_fields['A'], '@')) {
3017 *strchr(msg->cm_fields['A'], '@') = 0;
3021 msg->cm_fields['A'] = strdup("Citadel");
3024 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3025 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3026 msg->cm_fields['N'] = strdup(NODENAME);
3028 msg->cm_fields['R'] = strdup(to);
3029 recp = validate_recipients(to, NULL, 0);
3031 if (subject != NULL) {
3032 msg->cm_fields['U'] = strdup(subject);
3034 msg->cm_fields['M'] = strdup(text);
3036 CtdlSubmitMsg(msg, recp, room, 0);
3037 CtdlFreeMessage(msg);
3038 if (recp != NULL) free_recipients(recp);
3044 * Back end function used by CtdlMakeMessage() and similar functions
3046 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3047 size_t maxlen, /* maximum message length */
3048 char *exist, /* if non-null, append to it;
3049 exist is ALWAYS freed */
3050 int crlf, /* CRLF newlines instead of LF */
3051 int sock /* socket handle or 0 for this session's client socket */
3055 size_t message_len = 0;
3056 size_t buffer_len = 0;
3063 if (exist == NULL) {
3070 message_len = strlen(exist);
3071 buffer_len = message_len + 4096;
3072 m = realloc(exist, buffer_len);
3079 /* Do we need to change leading ".." to "." for SMTP escaping? */
3080 if (!strcmp(terminator, ".")) {
3084 /* flush the input if we have nowhere to store it */
3089 /* read in the lines of message text one by one */
3092 if (sock_getln(sock, buf, (sizeof buf - 3)) < 0) finished = 1;
3095 if (client_getln(buf, (sizeof buf - 3)) < 1) finished = 1;
3097 if (!strcmp(buf, terminator)) finished = 1;
3099 strcat(buf, "\r\n");
3105 /* Unescape SMTP-style input of two dots at the beginning of the line */
3107 if (!strncmp(buf, "..", 2)) {
3108 strcpy(buf, &buf[1]);
3112 if ( (!flushing) && (!finished) ) {
3113 /* Measure the line */
3114 linelen = strlen(buf);
3116 /* augment the buffer if we have to */
3117 if ((message_len + linelen) >= buffer_len) {
3118 ptr = realloc(m, (buffer_len * 2) );
3119 if (ptr == NULL) { /* flush if can't allocate */
3122 buffer_len = (buffer_len * 2);
3124 CtdlLogPrintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
3128 /* Add the new line to the buffer. NOTE: this loop must avoid
3129 * using functions like strcat() and strlen() because they
3130 * traverse the entire buffer upon every call, and doing that
3131 * for a multi-megabyte message slows it down beyond usability.
3133 strcpy(&m[message_len], buf);
3134 message_len += linelen;
3137 /* if we've hit the max msg length, flush the rest */
3138 if (message_len >= maxlen) flushing = 1;
3140 } while (!finished);
3148 * Build a binary message to be saved on disk.
3149 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3150 * will become part of the message. This means you are no longer
3151 * responsible for managing that memory -- it will be freed along with
3152 * the rest of the fields when CtdlFreeMessage() is called.)
3155 struct CtdlMessage *CtdlMakeMessage(
3156 struct ctdluser *author, /* author's user structure */
3157 char *recipient, /* NULL if it's not mail */
3158 char *recp_cc, /* NULL if it's not mail */
3159 char *room, /* room where it's going */
3160 int type, /* see MES_ types in header file */
3161 int format_type, /* variformat, plain text, MIME... */
3162 char *fake_name, /* who we're masquerading as */
3163 char *my_email, /* which of my email addresses to use (empty is ok) */
3164 char *subject, /* Subject (optional) */
3165 char *supplied_euid, /* ...or NULL if this is irrelevant */
3166 char *preformatted_text, /* ...or NULL to read text from client */
3167 char *references /* Thread references */
3169 char dest_node[256];
3171 struct CtdlMessage *msg;
3173 msg = malloc(sizeof(struct CtdlMessage));
3174 memset(msg, 0, sizeof(struct CtdlMessage));
3175 msg->cm_magic = CTDLMESSAGE_MAGIC;
3176 msg->cm_anon_type = type;
3177 msg->cm_format_type = format_type;
3179 /* Don't confuse the poor folks if it's not routed mail. */
3180 strcpy(dest_node, "");
3185 /* Path or Return-Path */
3186 if (my_email == NULL) my_email = "";
3188 if (!IsEmptyStr(my_email)) {
3189 msg->cm_fields['P'] = strdup(my_email);
3192 snprintf(buf, sizeof buf, "%s", author->fullname);
3193 msg->cm_fields['P'] = strdup(buf);
3195 convert_spaces_to_underscores(msg->cm_fields['P']);
3197 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3198 msg->cm_fields['T'] = strdup(buf);
3200 if (fake_name[0]) /* author */
3201 msg->cm_fields['A'] = strdup(fake_name);
3203 msg->cm_fields['A'] = strdup(author->fullname);
3205 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3206 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3209 msg->cm_fields['O'] = strdup(CC->room.QRname);
3212 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3213 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3215 if (recipient[0] != 0) {
3216 msg->cm_fields['R'] = strdup(recipient);
3218 if (recp_cc[0] != 0) {
3219 msg->cm_fields['Y'] = strdup(recp_cc);
3221 if (dest_node[0] != 0) {
3222 msg->cm_fields['D'] = strdup(dest_node);
3225 if (!IsEmptyStr(my_email)) {
3226 msg->cm_fields['F'] = strdup(my_email);
3228 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3229 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3232 if (subject != NULL) {
3235 length = strlen(subject);
3241 while ((subject[i] != '\0') &&
3242 (IsAscii = isascii(subject[i]) != 0 ))
3245 msg->cm_fields['U'] = strdup(subject);
3246 else /* ok, we've got utf8 in the string. */
3248 msg->cm_fields['U'] = rfc2047encode(subject, length);
3254 if (supplied_euid != NULL) {
3255 msg->cm_fields['E'] = strdup(supplied_euid);
3258 if (references != NULL) {
3259 if (!IsEmptyStr(references)) {
3260 msg->cm_fields['W'] = strdup(references);
3264 if (preformatted_text != NULL) {
3265 msg->cm_fields['M'] = preformatted_text;
3268 msg->cm_fields['M'] = CtdlReadMessageBody("000", config.c_maxmsglen, NULL, 0, 0);
3276 * Check to see whether we have permission to post a message in the current
3277 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3278 * returns 0 on success.
3280 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf,
3282 const char* RemoteIdentifier,
3286 if (!(CC->logged_in) &&
3287 (PostPublic == POST_LOGGED_IN)) {
3288 snprintf(errmsgbuf, n, "Not logged in.");
3289 return (ERROR + NOT_LOGGED_IN);
3291 else if (PostPublic == CHECK_EXISTANCE) {
3292 return (0); // We're Evaling whether a recipient exists
3294 else if (!(CC->logged_in)) {
3296 if ((CC->room.QRflags & QR_READONLY)) {
3297 snprintf(errmsgbuf, n, "Not logged in.");
3298 return (ERROR + NOT_LOGGED_IN);
3300 if (CC->room.QRflags2 & QR2_MODERATED) {
3301 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3302 return (ERROR + NOT_LOGGED_IN);
3304 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3309 if (RemoteIdentifier == NULL)
3311 snprintf(errmsgbuf, n, "Need sender to permit access.");
3312 return (ERROR + USERNAME_REQUIRED);
3315 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3316 begin_critical_section(S_NETCONFIGS);
3317 if (!read_spoolcontrol_file(&sc, filename))
3319 end_critical_section(S_NETCONFIGS);
3320 snprintf(errmsgbuf, n,
3321 "This mailing list only accepts posts from subscribers.");
3322 return (ERROR + NO_SUCH_USER);
3324 end_critical_section(S_NETCONFIGS);
3325 found = is_recipient (sc, RemoteIdentifier);
3326 free_spoolcontrol_struct(&sc);
3331 snprintf(errmsgbuf, n,
3332 "This mailing list only accepts posts from subscribers.");
3333 return (ERROR + NO_SUCH_USER);
3340 if ((CC->user.axlevel < 2)
3341 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3342 snprintf(errmsgbuf, n, "Need to be validated to enter "
3343 "(except in %s> to sysop)", MAILROOM);
3344 return (ERROR + HIGHER_ACCESS_REQUIRED);
3347 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3348 if (!(ra & UA_POSTALLOWED)) {
3349 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3350 return (ERROR + HIGHER_ACCESS_REQUIRED);
3353 strcpy(errmsgbuf, "Ok");
3359 * Check to see if the specified user has Internet mail permission
3360 * (returns nonzero if permission is granted)
3362 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3364 /* Do not allow twits to send Internet mail */
3365 if (who->axlevel <= 2) return(0);
3367 /* Globally enabled? */
3368 if (config.c_restrict == 0) return(1);
3370 /* User flagged ok? */
3371 if (who->flags & US_INTERNET) return(2);
3373 /* Aide level access? */
3374 if (who->axlevel >= 6) return(3);
3376 /* No mail for you! */
3382 * Validate recipients, count delivery types and errors, and handle aliasing
3383 * FIXME check for dupes!!!!!
3385 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3386 * were specified, or the number of addresses found invalid.
3388 * Caller needs to free the result using free_recipients()
3390 struct recptypes *validate_recipients(char *supplied_recipients,
3391 const char *RemoteIdentifier,
3393 struct recptypes *ret;
3394 char *recipients = NULL;
3395 char this_recp[256];
3396 char this_recp_cooked[256];
3402 struct ctdluser tempUS;
3403 struct ctdlroom tempQR;
3404 struct ctdlroom tempQR2;
3410 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3411 if (ret == NULL) return(NULL);
3413 /* Set all strings to null and numeric values to zero */
3414 memset(ret, 0, sizeof(struct recptypes));
3416 if (supplied_recipients == NULL) {
3417 recipients = strdup("");
3420 recipients = strdup(supplied_recipients);
3423 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3424 * actually need, but it's healthier for the heap than doing lots of tiny
3425 * realloc() calls instead.
3428 ret->errormsg = malloc(strlen(recipients) + 1024);
3429 ret->recp_local = malloc(strlen(recipients) + 1024);
3430 ret->recp_internet = malloc(strlen(recipients) + 1024);
3431 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3432 ret->recp_room = malloc(strlen(recipients) + 1024);
3433 ret->display_recp = malloc(strlen(recipients) + 1024);
3435 ret->errormsg[0] = 0;
3436 ret->recp_local[0] = 0;
3437 ret->recp_internet[0] = 0;
3438 ret->recp_ignet[0] = 0;
3439 ret->recp_room[0] = 0;
3440 ret->display_recp[0] = 0;
3442 ret->recptypes_magic = RECPTYPES_MAGIC;
3444 /* Change all valid separator characters to commas */
3445 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3446 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3447 recipients[i] = ',';
3451 /* Now start extracting recipients... */
3453 while (!IsEmptyStr(recipients)) {
3455 for (i=0; i<=strlen(recipients); ++i) {
3456 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3457 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3458 safestrncpy(this_recp, recipients, i+1);
3460 if (recipients[i] == ',') {
3461 strcpy(recipients, &recipients[i+1]);
3464 strcpy(recipients, "");
3471 if (IsEmptyStr(this_recp))
3473 CtdlLogPrintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3475 mailtype = alias(this_recp);
3476 mailtype = alias(this_recp);
3477 mailtype = alias(this_recp);
3479 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3480 if (this_recp[j]=='_') {
3481 this_recp_cooked[j] = ' ';
3484 this_recp_cooked[j] = this_recp[j];
3487 this_recp_cooked[j] = '\0';
3492 if (!strcasecmp(this_recp, "sysop")) {
3494 strcpy(this_recp, config.c_aideroom);
3495 if (!IsEmptyStr(ret->recp_room)) {
3496 strcat(ret->recp_room, "|");
3498 strcat(ret->recp_room, this_recp);
3500 else if ( (!strncasecmp(this_recp, "room_", 5))
3501 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
3503 /* Save room so we can restore it later */
3507 /* Check permissions to send mail to this room */
3508 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg,
3520 if (!IsEmptyStr(ret->recp_room)) {
3521 strcat(ret->recp_room, "|");
3523 strcat(ret->recp_room, &this_recp_cooked[5]);
3526 /* Restore room in case something needs it */
3530 else if (getuser(&tempUS, this_recp) == 0) {
3532 strcpy(this_recp, tempUS.fullname);
3533 if (!IsEmptyStr(ret->recp_local)) {
3534 strcat(ret->recp_local, "|");
3536 strcat(ret->recp_local, this_recp);
3538 else if (getuser(&tempUS, this_recp_cooked) == 0) {
3540 strcpy(this_recp, tempUS.fullname);
3541 if (!IsEmptyStr(ret->recp_local)) {
3542 strcat(ret->recp_local, "|");
3544 strcat(ret->recp_local, this_recp);
3552 /* Yes, you're reading this correctly: if the target
3553 * domain points back to the local system or an attached
3554 * Citadel directory, the address is invalid. That's
3555 * because if the address were valid, we would have
3556 * already translated it to a local address by now.
3558 if (IsDirectory(this_recp, 0)) {
3563 ++ret->num_internet;
3564 if (!IsEmptyStr(ret->recp_internet)) {
3565 strcat(ret->recp_internet, "|");
3567 strcat(ret->recp_internet, this_recp);
3572 if (!IsEmptyStr(ret->recp_ignet)) {
3573 strcat(ret->recp_ignet, "|");
3575 strcat(ret->recp_ignet, this_recp);
3583 if (IsEmptyStr(errmsg)) {
3584 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3587 snprintf(append, sizeof append, "%s", errmsg);
3589 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3590 if (!IsEmptyStr(ret->errormsg)) {
3591 strcat(ret->errormsg, "; ");
3593 strcat(ret->errormsg, append);
3597 if (IsEmptyStr(ret->display_recp)) {
3598 strcpy(append, this_recp);
3601 snprintf(append, sizeof append, ", %s", this_recp);
3603 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3604 strcat(ret->display_recp, append);
3609 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3610 ret->num_room + ret->num_error) == 0) {
3611 ret->num_error = (-1);
3612 strcpy(ret->errormsg, "No recipients specified.");
3615 CtdlLogPrintf(CTDL_DEBUG, "validate_recipients()\n");
3616 CtdlLogPrintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3617 CtdlLogPrintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3618 CtdlLogPrintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3619 CtdlLogPrintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3620 CtdlLogPrintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3628 * Destructor for struct recptypes
3630 void free_recipients(struct recptypes *valid) {
3632 if (valid == NULL) {
3636 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
3637 CtdlLogPrintf(CTDL_EMERG, "Attempt to call free_recipients() on some other data type!\n");
3641 if (valid->errormsg != NULL) free(valid->errormsg);
3642 if (valid->recp_local != NULL) free(valid->recp_local);
3643 if (valid->recp_internet != NULL) free(valid->recp_internet);
3644 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
3645 if (valid->recp_room != NULL) free(valid->recp_room);
3646 if (valid->display_recp != NULL) free(valid->display_recp);
3653 * message entry - mode 0 (normal)
3655 void cmd_ent0(char *entargs)
3661 char supplied_euid[128];
3663 int format_type = 0;
3664 char newusername[256];
3665 char newuseremail[256];
3666 struct CtdlMessage *msg;
3670 struct recptypes *valid = NULL;
3671 struct recptypes *valid_to = NULL;
3672 struct recptypes *valid_cc = NULL;
3673 struct recptypes *valid_bcc = NULL;
3675 int subject_required = 0;
3680 int newuseremail_ok = 0;
3681 char references[SIZ];
3686 post = extract_int(entargs, 0);
3687 extract_token(recp, entargs, 1, '|', sizeof recp);
3688 anon_flag = extract_int(entargs, 2);
3689 format_type = extract_int(entargs, 3);
3690 extract_token(subject, entargs, 4, '|', sizeof subject);
3691 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3692 do_confirm = extract_int(entargs, 6);
3693 extract_token(cc, entargs, 7, '|', sizeof cc);
3694 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3695 switch(CC->room.QRdefaultview) {
3698 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3701 supplied_euid[0] = 0;
3704 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
3705 extract_token(references, entargs, 11, '|', sizeof references);
3706 for (ptr=references; *ptr != 0; ++ptr) {
3707 if (*ptr == '!') *ptr = '|';
3710 /* first check to make sure the request is valid. */
3712 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg, NULL, POST_LOGGED_IN);
3715 cprintf("%d %s\n", err, errmsg);
3719 /* Check some other permission type things. */
3721 if (IsEmptyStr(newusername)) {
3722 strcpy(newusername, CC->user.fullname);
3724 if ( (CC->user.axlevel < 6)
3725 && (strcasecmp(newusername, CC->user.fullname))
3726 && (strcasecmp(newusername, CC->cs_inet_fn))
3728 cprintf("%d You don't have permission to author messages as '%s'.\n",
3729 ERROR + HIGHER_ACCESS_REQUIRED,
3736 if (IsEmptyStr(newuseremail)) {
3737 newuseremail_ok = 1;
3740 if (!IsEmptyStr(newuseremail)) {
3741 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
3742 newuseremail_ok = 1;
3744 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
3745 j = num_tokens(CC->cs_inet_other_emails, '|');
3746 for (i=0; i<j; ++i) {
3747 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
3748 if (!strcasecmp(newuseremail, buf)) {
3749 newuseremail_ok = 1;
3755 if (!newuseremail_ok) {
3756 cprintf("%d You don't have permission to author messages as '%s'.\n",
3757 ERROR + HIGHER_ACCESS_REQUIRED,
3763 CC->cs_flags |= CS_POSTING;
3765 /* In mailbox rooms we have to behave a little differently --
3766 * make sure the user has specified at least one recipient. Then
3767 * validate the recipient(s). We do this for the Mail> room, as
3768 * well as any room which has the "Mailbox" view set.
3771 if ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
3772 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
3774 if (CC->user.axlevel < 2) {
3775 strcpy(recp, "sysop");
3780 valid_to = validate_recipients(recp, NULL, 0);
3781 if (valid_to->num_error > 0) {
3782 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
3783 free_recipients(valid_to);
3787 valid_cc = validate_recipients(cc, NULL, 0);
3788 if (valid_cc->num_error > 0) {
3789 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
3790 free_recipients(valid_to);
3791 free_recipients(valid_cc);
3795 valid_bcc = validate_recipients(bcc, NULL, 0);
3796 if (valid_bcc->num_error > 0) {
3797 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
3798 free_recipients(valid_to);
3799 free_recipients(valid_cc);
3800 free_recipients(valid_bcc);
3804 /* Recipient required, but none were specified */
3805 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
3806 free_recipients(valid_to);
3807 free_recipients(valid_cc);
3808 free_recipients(valid_bcc);
3809 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
3813 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
3814 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
3815 cprintf("%d You do not have permission "
3816 "to send Internet mail.\n",
3817 ERROR + HIGHER_ACCESS_REQUIRED);
3818 free_recipients(valid_to);
3819 free_recipients(valid_cc);
3820 free_recipients(valid_bcc);
3825 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)
3826 && (CC->user.axlevel < 4) ) {
3827 cprintf("%d Higher access required for network mail.\n",
3828 ERROR + HIGHER_ACCESS_REQUIRED);
3829 free_recipients(valid_to);
3830 free_recipients(valid_cc);
3831 free_recipients(valid_bcc);
3835 if ((RESTRICT_INTERNET == 1)
3836 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
3837 && ((CC->user.flags & US_INTERNET) == 0)
3838 && (!CC->internal_pgm)) {
3839 cprintf("%d You don't have access to Internet mail.\n",
3840 ERROR + HIGHER_ACCESS_REQUIRED);
3841 free_recipients(valid_to);
3842 free_recipients(valid_cc);
3843 free_recipients(valid_bcc);
3849 /* Is this a room which has anonymous-only or anonymous-option? */
3850 anonymous = MES_NORMAL;
3851 if (CC->room.QRflags & QR_ANONONLY) {
3852 anonymous = MES_ANONONLY;
3854 if (CC->room.QRflags & QR_ANONOPT) {
3855 if (anon_flag == 1) { /* only if the user requested it */
3856 anonymous = MES_ANONOPT;
3860 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
3864 /* Recommend to the client that the use of a message subject is
3865 * strongly recommended in this room, if either the SUBJECTREQ flag
3866 * is set, or if there is one or more Internet email recipients.
3868 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
3869 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
3870 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
3871 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
3873 /* If we're only checking the validity of the request, return
3874 * success without creating the message.
3877 cprintf("%d %s|%d\n", CIT_OK,
3878 ((valid_to != NULL) ? valid_to->display_recp : ""),
3880 free_recipients(valid_to);
3881 free_recipients(valid_cc);
3882 free_recipients(valid_bcc);
3886 /* We don't need these anymore because we'll do it differently below */
3887 free_recipients(valid_to);
3888 free_recipients(valid_cc);
3889 free_recipients(valid_bcc);
3891 /* Read in the message from the client. */
3893 cprintf("%d send message\n", START_CHAT_MODE);
3895 cprintf("%d send message\n", SEND_LISTING);
3898 msg = CtdlMakeMessage(&CC->user, recp, cc,
3899 CC->room.QRname, anonymous, format_type,
3900 newusername, newuseremail, subject,
3901 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
3904 /* Put together one big recipients struct containing to/cc/bcc all in
3905 * one. This is for the envelope.
3907 char *all_recps = malloc(SIZ * 3);
3908 strcpy(all_recps, recp);
3909 if (!IsEmptyStr(cc)) {
3910 if (!IsEmptyStr(all_recps)) {
3911 strcat(all_recps, ",");
3913 strcat(all_recps, cc);
3915 if (!IsEmptyStr(bcc)) {
3916 if (!IsEmptyStr(all_recps)) {
3917 strcat(all_recps, ",");
3919 strcat(all_recps, bcc);
3921 if (!IsEmptyStr(all_recps)) {
3922 valid = validate_recipients(all_recps, NULL, 0);
3930 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
3933 cprintf("%ld\n", msgnum);
3935 cprintf("Message accepted.\n");
3938 cprintf("Internal error.\n");
3940 if (msg->cm_fields['E'] != NULL) {
3941 cprintf("%s\n", msg->cm_fields['E']);
3948 CtdlFreeMessage(msg);
3950 if (valid != NULL) {
3951 free_recipients(valid);
3959 * API function to delete messages which match a set of criteria
3960 * (returns the actual number of messages deleted)
3962 int CtdlDeleteMessages(char *room_name, /* which room */
3963 long *dmsgnums, /* array of msg numbers to be deleted */
3964 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
3965 char *content_type /* or "" for any. regular expressions expected. */
3968 struct ctdlroom qrbuf;
3969 struct cdbdata *cdbfr;
3970 long *msglist = NULL;
3971 long *dellist = NULL;
3974 int num_deleted = 0;
3976 struct MetaData smi;
3979 int need_to_free_re = 0;
3981 if (content_type) if (!IsEmptyStr(content_type)) {
3982 regcomp(&re, content_type, 0);
3983 need_to_free_re = 1;
3985 CtdlLogPrintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
3986 room_name, num_dmsgnums, content_type);
3988 /* get room record, obtaining a lock... */
3989 if (lgetroom(&qrbuf, room_name) != 0) {
3990 CtdlLogPrintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
3992 if (need_to_free_re) regfree(&re);
3993 return (0); /* room not found */
3995 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
3997 if (cdbfr != NULL) {
3998 dellist = malloc(cdbfr->len);
3999 msglist = (long *) cdbfr->ptr;
4000 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4001 num_msgs = cdbfr->len / sizeof(long);
4005 for (i = 0; i < num_msgs; ++i) {
4008 /* Set/clear a bit for each criterion */
4010 /* 0 messages in the list or a null list means that we are
4011 * interested in deleting any messages which meet the other criteria.
4013 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4014 delete_this |= 0x01;
4017 for (j=0; j<num_dmsgnums; ++j) {
4018 if (msglist[i] == dmsgnums[j]) {
4019 delete_this |= 0x01;
4024 if (IsEmptyStr(content_type)) {
4025 delete_this |= 0x02;
4027 GetMetaData(&smi, msglist[i]);
4028 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4029 delete_this |= 0x02;
4033 /* Delete message only if all bits are set */
4034 if (delete_this == 0x03) {
4035 dellist[num_deleted++] = msglist[i];
4040 num_msgs = sort_msglist(msglist, num_msgs);
4041 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4042 msglist, (int)(num_msgs * sizeof(long)));
4044 qrbuf.QRhighest = msglist[num_msgs - 1];
4048 /* Go through the messages we pulled out of the index, and decrement
4049 * their reference counts by 1. If this is the only room the message
4050 * was in, the reference count will reach zero and the message will
4051 * automatically be deleted from the database. We do this in a
4052 * separate pass because there might be plug-in hooks getting called,
4053 * and we don't want that happening during an S_ROOMS critical
4056 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4057 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4058 AdjRefCount(dellist[i], -1);
4061 /* Now free the memory we used, and go away. */
4062 if (msglist != NULL) free(msglist);
4063 if (dellist != NULL) free(dellist);
4064 CtdlLogPrintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
4065 if (need_to_free_re) regfree(&re);
4066 return (num_deleted);
4072 * Check whether the current user has permission to delete messages from
4073 * the current room (returns 1 for yes, 0 for no)
4075 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4077 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4078 if (ra & UA_DELETEALLOWED) return(1);
4086 * Delete message from current room
4088 void cmd_dele(char *args)
4097 extract_token(msgset, args, 0, '|', sizeof msgset);
4098 num_msgs = num_tokens(msgset, ',');
4100 cprintf("%d Nothing to do.\n", CIT_OK);
4104 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4105 cprintf("%d Higher access required.\n",
4106 ERROR + HIGHER_ACCESS_REQUIRED);
4111 * Build our message set to be moved/copied
4113 msgs = malloc(num_msgs * sizeof(long));
4114 for (i=0; i<num_msgs; ++i) {
4115 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4116 msgs[i] = atol(msgtok);
4119 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4123 cprintf("%d %d message%s deleted.\n", CIT_OK,
4124 num_deleted, ((num_deleted != 1) ? "s" : ""));
4126 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4132 * Back end API function for moves and deletes (multiple messages)
4134 int CtdlCopyMsgsToRoom(long *msgnums, int num_msgs, char *dest) {
4137 err = CtdlSaveMsgPointersInRoom(dest, msgnums, num_msgs, 1, NULL);
4138 if (err != 0) return(err);
4147 * move or copy a message to another room
4149 void cmd_move(char *args)
4156 char targ[ROOMNAMELEN];
4157 struct ctdlroom qtemp;
4164 extract_token(msgset, args, 0, '|', sizeof msgset);
4165 num_msgs = num_tokens(msgset, ',');
4167 cprintf("%d Nothing to do.\n", CIT_OK);
4171 extract_token(targ, args, 1, '|', sizeof targ);
4172 convert_room_name_macros(targ, sizeof targ);
4173 targ[ROOMNAMELEN - 1] = 0;
4174 is_copy = extract_int(args, 2);
4176 if (getroom(&qtemp, targ) != 0) {
4177 cprintf("%d '%s' does not exist.\n",
4178 ERROR + ROOM_NOT_FOUND, targ);
4182 getuser(&CC->user, CC->curr_user);
4183 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4185 /* Check for permission to perform this operation.
4186 * Remember: "CC->room" is source, "qtemp" is target.
4190 /* Aides can move/copy */
4191 if (CC->user.axlevel >= 6) permit = 1;
4193 /* Room aides can move/copy */
4194 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4196 /* Permit move/copy from personal rooms */
4197 if ((CC->room.QRflags & QR_MAILBOX)
4198 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4200 /* Permit only copy from public to personal room */
4202 && (!(CC->room.QRflags & QR_MAILBOX))
4203 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4205 /* Permit message removal from collaborative delete rooms */
4206 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4208 /* Users allowed to post into the target room may move into it too. */
4209 if ((CC->room.QRflags & QR_MAILBOX) &&
4210 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4212 /* User must have access to target room */
4213 if (!(ra & UA_KNOWN)) permit = 0;
4216 cprintf("%d Higher access required.\n",
4217 ERROR + HIGHER_ACCESS_REQUIRED);
4222 * Build our message set to be moved/copied
4224 msgs = malloc(num_msgs * sizeof(long));
4225 for (i=0; i<num_msgs; ++i) {
4226 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4227 msgs[i] = atol(msgtok);
4233 err = CtdlCopyMsgsToRoom(msgs, num_msgs, targ);
4235 cprintf("%d Cannot store message(s) in %s: error %d\n",
4241 /* Now delete the message from the source room,
4242 * if this is a 'move' rather than a 'copy' operation.
4245 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4249 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4255 * GetMetaData() - Get the supplementary record for a message
4257 void GetMetaData(struct MetaData *smibuf, long msgnum)
4260 struct cdbdata *cdbsmi;
4263 memset(smibuf, 0, sizeof(struct MetaData));
4264 smibuf->meta_msgnum = msgnum;
4265 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4267 /* Use the negative of the message number for its supp record index */
4268 TheIndex = (0L - msgnum);
4270 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4271 if (cdbsmi == NULL) {
4272 return; /* record not found; go with defaults */
4274 memcpy(smibuf, cdbsmi->ptr,
4275 ((cdbsmi->len > sizeof(struct MetaData)) ?
4276 sizeof(struct MetaData) : cdbsmi->len));
4283 * PutMetaData() - (re)write supplementary record for a message
4285 void PutMetaData(struct MetaData *smibuf)
4289 /* Use the negative of the message number for the metadata db index */
4290 TheIndex = (0L - smibuf->meta_msgnum);
4292 cdb_store(CDB_MSGMAIN,
4293 &TheIndex, (int)sizeof(long),
4294 smibuf, (int)sizeof(struct MetaData));
4299 * AdjRefCount - submit an adjustment to the reference count for a message.
4300 * (These are just queued -- we actually process them later.)
4302 void AdjRefCount(long msgnum, int incr)
4304 struct arcq new_arcq;
4306 begin_critical_section(S_SUPPMSGMAIN);
4307 if (arcfp == NULL) {
4308 arcfp = fopen(file_arcq, "ab+");
4310 end_critical_section(S_SUPPMSGMAIN);
4312 /* msgnum < 0 means that we're trying to close the file */
4314 CtdlLogPrintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
4315 begin_critical_section(S_SUPPMSGMAIN);
4316 if (arcfp != NULL) {
4320 end_critical_section(S_SUPPMSGMAIN);
4325 * If we can't open the queue, perform the operation synchronously.
4327 if (arcfp == NULL) {
4328 TDAP_AdjRefCount(msgnum, incr);
4332 new_arcq.arcq_msgnum = msgnum;
4333 new_arcq.arcq_delta = incr;
4334 fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4342 * TDAP_ProcessAdjRefCountQueue()
4344 * Process the queue of message count adjustments that was created by calls
4345 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4346 * for each one. This should be an "off hours" operation.
4348 int TDAP_ProcessAdjRefCountQueue(void)
4350 char file_arcq_temp[PATH_MAX];
4353 struct arcq arcq_rec;
4354 int num_records_processed = 0;
4356 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4358 begin_critical_section(S_SUPPMSGMAIN);
4359 if (arcfp != NULL) {
4364 r = link(file_arcq, file_arcq_temp);
4366 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4367 end_critical_section(S_SUPPMSGMAIN);
4368 return(num_records_processed);
4372 end_critical_section(S_SUPPMSGMAIN);
4374 fp = fopen(file_arcq_temp, "rb");
4376 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4377 return(num_records_processed);
4380 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4381 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4382 ++num_records_processed;
4386 r = unlink(file_arcq_temp);
4388 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4391 return(num_records_processed);
4397 * TDAP_AdjRefCount - adjust the reference count for a message.
4398 * This one does it "for real" because it's called by
4399 * the autopurger function that processes the queue
4400 * created by AdjRefCount(). If a message's reference
4401 * count becomes zero, we also delete the message from
4402 * disk and de-index it.
4404 void TDAP_AdjRefCount(long msgnum, int incr)
4407 struct MetaData smi;
4410 /* This is a *tight* critical section; please keep it that way, as
4411 * it may get called while nested in other critical sections.
4412 * Complicating this any further will surely cause deadlock!
4414 begin_critical_section(S_SUPPMSGMAIN);
4415 GetMetaData(&smi, msgnum);
4416 smi.meta_refcount += incr;
4418 end_critical_section(S_SUPPMSGMAIN);
4419 CtdlLogPrintf(CTDL_DEBUG, "msg %ld ref count delta %+d, is now %d\n",
4420 msgnum, incr, smi.meta_refcount);
4422 /* If the reference count is now zero, delete the message
4423 * (and its supplementary record as well).
4425 if (smi.meta_refcount == 0) {
4426 CtdlLogPrintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
4428 /* Call delete hooks with NULL room to show it has gone altogether */
4429 PerformDeleteHooks(NULL, msgnum);
4431 /* Remove from message base */
4433 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4434 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4436 /* Remove metadata record */
4437 delnum = (0L - msgnum);
4438 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4444 * Write a generic object to this room
4446 * Note: this could be much more efficient. Right now we use two temporary
4447 * files, and still pull the message into memory as with all others.
4449 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4450 char *content_type, /* MIME type of this object */
4451 char *raw_message, /* Data to be written */
4452 off_t raw_length, /* Size of raw_message */
4453 struct ctdluser *is_mailbox, /* Mailbox room? */
4454 int is_binary, /* Is encoding necessary? */
4455 int is_unique, /* Del others of this type? */
4456 unsigned int flags /* Internal save flags */
4460 struct ctdlroom qrbuf;
4461 char roomname[ROOMNAMELEN];
4462 struct CtdlMessage *msg;
4463 char *encoded_message = NULL;
4465 if (is_mailbox != NULL) {
4466 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4469 safestrncpy(roomname, req_room, sizeof(roomname));
4472 CtdlLogPrintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4475 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4478 encoded_message = malloc((size_t)(raw_length + 4096));
4481 sprintf(encoded_message, "Content-type: %s\n", content_type);
4484 sprintf(&encoded_message[strlen(encoded_message)],
4485 "Content-transfer-encoding: base64\n\n"
4489 sprintf(&encoded_message[strlen(encoded_message)],
4490 "Content-transfer-encoding: 7bit\n\n"
4496 &encoded_message[strlen(encoded_message)],
4504 &encoded_message[strlen(encoded_message)],
4510 CtdlLogPrintf(CTDL_DEBUG, "Allocating\n");
4511 msg = malloc(sizeof(struct CtdlMessage));
4512 memset(msg, 0, sizeof(struct CtdlMessage));
4513 msg->cm_magic = CTDLMESSAGE_MAGIC;
4514 msg->cm_anon_type = MES_NORMAL;
4515 msg->cm_format_type = 4;
4516 msg->cm_fields['A'] = strdup(CC->user.fullname);
4517 msg->cm_fields['O'] = strdup(req_room);
4518 msg->cm_fields['N'] = strdup(config.c_nodename);
4519 msg->cm_fields['H'] = strdup(config.c_humannode);
4520 msg->cm_flags = flags;
4522 msg->cm_fields['M'] = encoded_message;
4524 /* Create the requested room if we have to. */
4525 if (getroom(&qrbuf, roomname) != 0) {
4526 create_room(roomname,
4527 ( (is_mailbox != NULL) ? 5 : 3 ),
4528 "", 0, 1, 0, VIEW_BBS);
4530 /* If the caller specified this object as unique, delete all
4531 * other objects of this type that are currently in the room.
4534 CtdlLogPrintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4535 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4538 /* Now write the data */
4539 CtdlSubmitMsg(msg, NULL, roomname, 0);
4540 CtdlFreeMessage(msg);
4548 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4549 config_msgnum = msgnum;
4553 char *CtdlGetSysConfig(char *sysconfname) {
4554 char hold_rm[ROOMNAMELEN];
4557 struct CtdlMessage *msg;
4560 strcpy(hold_rm, CC->room.QRname);
4561 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
4562 getroom(&CC->room, hold_rm);
4567 /* We want the last (and probably only) config in this room */
4568 begin_critical_section(S_CONFIG);
4569 config_msgnum = (-1L);
4570 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4571 CtdlGetSysConfigBackend, NULL);
4572 msgnum = config_msgnum;
4573 end_critical_section(S_CONFIG);
4579 msg = CtdlFetchMessage(msgnum, 1);
4581 conf = strdup(msg->cm_fields['M']);
4582 CtdlFreeMessage(msg);
4589 getroom(&CC->room, hold_rm);
4591 if (conf != NULL) do {
4592 extract_token(buf, conf, 0, '\n', sizeof buf);
4593 strcpy(conf, &conf[strlen(buf)+1]);
4594 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
4600 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4601 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
4606 * Determine whether a given Internet address belongs to the current user
4608 int CtdlIsMe(char *addr, int addr_buf_len)
4610 struct recptypes *recp;
4613 recp = validate_recipients(addr, NULL, 0);
4614 if (recp == NULL) return(0);
4616 if (recp->num_local == 0) {
4617 free_recipients(recp);
4621 for (i=0; i<recp->num_local; ++i) {
4622 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4623 if (!strcasecmp(addr, CC->user.fullname)) {
4624 free_recipients(recp);
4629 free_recipients(recp);
4635 * Citadel protocol command to do the same
4637 void cmd_isme(char *argbuf) {
4640 if (CtdlAccessCheck(ac_logged_in)) return;
4641 extract_token(addr, argbuf, 0, '|', sizeof addr);
4643 if (CtdlIsMe(addr, sizeof addr)) {
4644 cprintf("%d %s\n", CIT_OK, addr);
4647 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);