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) if (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) if (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) if (!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) if (!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.
1628 char datestamp[100];
1630 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
1631 ((TheMessage == NULL) ? "NULL" : "not null"),
1632 mode, headers_only, do_proto, crlf);
1634 strcpy(mid, "unknown");
1635 nl = (crlf ? "\r\n" : "\n");
1637 if (!is_valid_message(TheMessage)) {
1638 CtdlLogPrintf(CTDL_ERR,
1639 "ERROR: invalid preloaded message for output\n");
1641 return(om_no_such_msg);
1644 /* Are we downloading a MIME component? */
1645 if (mode == MT_DOWNLOAD) {
1646 if (TheMessage->cm_format_type != FMT_RFC822) {
1648 cprintf("%d This is not a MIME message.\n",
1649 ERROR + ILLEGAL_VALUE);
1650 } else if (CC->download_fp != NULL) {
1651 if (do_proto) cprintf(
1652 "%d You already have a download open.\n",
1653 ERROR + RESOURCE_BUSY);
1655 /* Parse the message text component */
1656 mptr = TheMessage->cm_fields['M'];
1657 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
1658 /* If there's no file open by this time, the requested
1659 * section wasn't found, so print an error
1661 if (CC->download_fp == NULL) {
1662 if (do_proto) cprintf(
1663 "%d Section %s not found.\n",
1664 ERROR + FILE_NOT_FOUND,
1665 CC->download_desired_section);
1668 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1671 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
1672 * in a single server operation instead of opening a download file.
1674 if (mode == MT_SPEW_SECTION) {
1675 if (TheMessage->cm_format_type != FMT_RFC822) {
1677 cprintf("%d This is not a MIME message.\n",
1678 ERROR + ILLEGAL_VALUE);
1680 /* Parse the message text component */
1683 mptr = TheMessage->cm_fields['M'];
1684 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
1685 /* If section wasn't found, print an error
1688 if (do_proto) cprintf(
1689 "%d Section %s not found.\n",
1690 ERROR + FILE_NOT_FOUND,
1691 CC->download_desired_section);
1694 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1697 /* now for the user-mode message reading loops */
1698 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
1700 /* Does the caller want to skip the headers? */
1701 if (headers_only == HEADERS_NONE) goto START_TEXT;
1703 /* Tell the client which format type we're using. */
1704 if ( (mode == MT_CITADEL) && (do_proto) ) {
1705 cprintf("type=%d\n", TheMessage->cm_format_type);
1708 /* nhdr=yes means that we're only displaying headers, no body */
1709 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1710 && (mode == MT_CITADEL)
1713 cprintf("nhdr=yes\n");
1716 /* begin header processing loop for Citadel message format */
1718 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1720 safestrncpy(display_name, "<unknown>", sizeof display_name);
1721 if (TheMessage->cm_fields['A']) {
1722 strcpy(buf, TheMessage->cm_fields['A']);
1723 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1724 safestrncpy(display_name, "****", sizeof display_name);
1726 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1727 safestrncpy(display_name, "anonymous", sizeof display_name);
1730 safestrncpy(display_name, buf, sizeof display_name);
1732 if ((is_room_aide())
1733 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1734 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1735 size_t tmp = strlen(display_name);
1736 snprintf(&display_name[tmp],
1737 sizeof display_name - tmp,
1742 /* Don't show Internet address for users on the
1743 * local Citadel network.
1746 if (TheMessage->cm_fields['N'] != NULL)
1747 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1748 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1752 /* Now spew the header fields in the order we like them. */
1753 safestrncpy(allkeys, FORDER, sizeof allkeys);
1754 for (i=0; i<strlen(allkeys); ++i) {
1755 k = (int) allkeys[i];
1757 if ( (TheMessage->cm_fields[k] != NULL)
1758 && (msgkeys[k] != NULL) ) {
1760 if (do_proto) cprintf("%s=%s\n",
1764 else if ((k == 'F') && (suppress_f)) {
1767 /* Masquerade display name if needed */
1769 if (do_proto) cprintf("%s=%s\n",
1771 TheMessage->cm_fields[k]
1780 /* begin header processing loop for RFC822 transfer format */
1785 strcpy(snode, NODENAME);
1786 strcpy(lnode, HUMANNODE);
1787 if (mode == MT_RFC822) {
1788 for (i = 0; i < 256; ++i) {
1789 if (TheMessage->cm_fields[i]) {
1790 mptr = mpptr = TheMessage->cm_fields[i];
1793 safestrncpy(luser, mptr, sizeof luser);
1794 safestrncpy(suser, mptr, sizeof suser);
1796 else if (i == 'Y') {
1797 if ((flags & QP_EADDR) != 0)
1798 mptr = qp_encode_email_addrs(mptr);
1799 cprintf("CC: %s%s", mptr, nl);
1801 else if (i == 'P') {
1802 cprintf("Return-Path: %s%s", mptr, nl);
1804 else if (i == 'L') {
1805 cprintf("List-ID: %s%s", mptr, nl);
1807 else if (i == 'V') {
1808 if ((flags & QP_EADDR) != 0)
1809 mptr = qp_encode_email_addrs(mptr);
1810 cprintf("Envelope-To: %s%s", mptr, nl);
1812 else if (i == 'U') {
1813 cprintf("Subject: %s%s", mptr, nl);
1817 safestrncpy(mid, mptr, sizeof mid);
1819 safestrncpy(lnode, mptr, sizeof lnode);
1821 safestrncpy(fuser, mptr, sizeof fuser);
1822 /* else if (i == 'O')
1823 cprintf("X-Citadel-Room: %s%s",
1826 safestrncpy(snode, mptr, sizeof snode);
1829 if (haschar(mptr, '@') == 0)
1831 cprintf("To: %s@%s%s", mptr, config.c_fqdn, nl);
1835 if ((flags & QP_EADDR) != 0)
1836 mptr = qp_encode_email_addrs(mptr);
1837 cprintf("To: %s%s", mptr, nl);
1840 else if (i == 'T') {
1841 datestring(datestamp, sizeof datestamp,
1842 atol(mptr), DATESTRING_RFC822);
1843 cprintf("Date: %s%s", datestamp, nl);
1845 else if (i == 'W') {
1846 cprintf("References: ");
1847 k = num_tokens(mptr, '|');
1848 for (j=0; j<k; ++j) {
1849 extract_token(buf, mptr, j, '|', sizeof buf);
1850 cprintf("<%s>", buf);
1863 if (subject_found == 0) {
1864 cprintf("Subject: (no subject)%s", nl);
1868 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
1869 suser[i] = tolower(suser[i]);
1870 if (!isalnum(suser[i])) suser[i]='_';
1873 if (mode == MT_RFC822) {
1874 if (!strcasecmp(snode, NODENAME)) {
1875 safestrncpy(snode, FQDN, sizeof snode);
1878 /* Construct a fun message id */
1879 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
1880 if (strchr(mid, '@')==NULL) {
1881 cprintf("@%s", snode);
1885 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
1886 cprintf("From: \"----\" <x@x.org>%s", nl);
1888 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
1889 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
1891 else if (!IsEmptyStr(fuser)) {
1892 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
1895 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
1898 cprintf("Organization: %s%s", lnode, nl);
1900 /* Blank line signifying RFC822 end-of-headers */
1901 if (TheMessage->cm_format_type != FMT_RFC822) {
1906 /* end header processing loop ... at this point, we're in the text */
1908 if (headers_only == HEADERS_FAST) goto DONE;
1909 mptr = TheMessage->cm_fields['M'];
1911 /* Tell the client about the MIME parts in this message */
1912 if (TheMessage->cm_format_type == FMT_RFC822) {
1913 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1914 memset(&ma, 0, sizeof(struct ma_info));
1915 mime_parser(mptr, NULL,
1916 (do_proto ? *list_this_part : NULL),
1917 (do_proto ? *list_this_pref : NULL),
1918 (do_proto ? *list_this_suff : NULL),
1921 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1922 char *start_of_text = NULL;
1923 start_of_text = strstr(mptr, "\n\r\n");
1924 if (start_of_text == NULL) start_of_text = strstr(mptr, "\n\n");
1925 if (start_of_text == NULL) start_of_text = mptr;
1927 start_of_text = strstr(start_of_text, "\n");
1932 int nllen = strlen(nl);
1934 while (ch=*mptr, ch!=0) {
1940 ((headers_only == HEADERS_NONE) && (mptr >= start_of_text))
1941 || ((headers_only == HEADERS_ONLY) && (mptr < start_of_text))
1942 || ((headers_only != HEADERS_NONE) && (headers_only != HEADERS_ONLY))
1945 sprintf(&outbuf[outlen], "%s", nl);
1949 outbuf[outlen++] = ch;
1953 if (flags & ESC_DOT)
1955 if ((prev_ch == 10) && (ch == '.') && ((*(mptr+1) == 13) || (*(mptr+1) == 10)))
1957 outbuf[outlen++] = '.';
1962 if (outlen > 1000) {
1963 client_write(outbuf, outlen);
1968 client_write(outbuf, outlen);
1976 if (headers_only == HEADERS_ONLY) {
1980 /* signify start of msg text */
1981 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1982 if (do_proto) cprintf("text\n");
1985 /* If the format type on disk is 1 (fixed-format), then we want
1986 * everything to be output completely literally ... regardless of
1987 * what message transfer format is in use.
1989 if (TheMessage->cm_format_type == FMT_FIXED) {
1991 if (mode == MT_MIME) {
1992 cprintf("Content-type: text/plain\n\n");
1996 while (ch = *mptr++, ch > 0) {
1999 if ((ch == 10) || (buflen > 250)) {
2001 cprintf("%s%s", buf, nl);
2010 if (!IsEmptyStr(buf))
2011 cprintf("%s%s", buf, nl);
2014 /* If the message on disk is format 0 (Citadel vari-format), we
2015 * output using the formatter at 80 columns. This is the final output
2016 * form if the transfer format is RFC822, but if the transfer format
2017 * is Citadel proprietary, it'll still work, because the indentation
2018 * for new paragraphs is correct and the client will reformat the
2019 * message to the reader's screen width.
2021 if (TheMessage->cm_format_type == FMT_CITADEL) {
2022 if (mode == MT_MIME) {
2023 cprintf("Content-type: text/x-citadel-variformat\n\n");
2025 memfmout(mptr, 0, nl);
2028 /* If the message on disk is format 4 (MIME), we've gotta hand it
2029 * off to the MIME parser. The client has already been told that
2030 * this message is format 1 (fixed format), so the callback function
2031 * we use will display those parts as-is.
2033 if (TheMessage->cm_format_type == FMT_RFC822) {
2034 memset(&ma, 0, sizeof(struct ma_info));
2036 if (mode == MT_MIME) {
2037 ma.use_fo_hooks = 0;
2038 strcpy(ma.chosen_part, "1");
2039 ma.chosen_pref = 9999;
2040 mime_parser(mptr, NULL,
2041 *choose_preferred, *fixed_output_pre,
2042 *fixed_output_post, (void *)&ma, 0);
2043 mime_parser(mptr, NULL,
2044 *output_preferred, NULL, NULL, (void *)&ma, CC->msg4_dont_decode);
2047 ma.use_fo_hooks = 1;
2048 mime_parser(mptr, NULL,
2049 *fixed_output, *fixed_output_pre,
2050 *fixed_output_post, (void *)&ma, 0);
2055 DONE: /* now we're done */
2056 if (do_proto) cprintf("000\n");
2063 * display a message (mode 0 - Citadel proprietary)
2065 void cmd_msg0(char *cmdbuf)
2068 int headers_only = HEADERS_ALL;
2070 msgid = extract_long(cmdbuf, 0);
2071 headers_only = extract_int(cmdbuf, 1);
2073 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2079 * display a message (mode 2 - RFC822)
2081 void cmd_msg2(char *cmdbuf)
2084 int headers_only = HEADERS_ALL;
2086 msgid = extract_long(cmdbuf, 0);
2087 headers_only = extract_int(cmdbuf, 1);
2089 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2095 * display a message (mode 3 - IGnet raw format - internal programs only)
2097 void cmd_msg3(char *cmdbuf)
2100 struct CtdlMessage *msg = NULL;
2103 if (CC->internal_pgm == 0) {
2104 cprintf("%d This command is for internal programs only.\n",
2105 ERROR + HIGHER_ACCESS_REQUIRED);
2109 msgnum = extract_long(cmdbuf, 0);
2110 msg = CtdlFetchMessage(msgnum, 1);
2112 cprintf("%d Message %ld not found.\n",
2113 ERROR + MESSAGE_NOT_FOUND, msgnum);
2117 serialize_message(&smr, msg);
2118 CtdlFreeMessage(msg);
2121 cprintf("%d Unable to serialize message\n",
2122 ERROR + INTERNAL_ERROR);
2126 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2127 client_write((char *)smr.ser, (int)smr.len);
2134 * Display a message using MIME content types
2136 void cmd_msg4(char *cmdbuf)
2141 msgid = extract_long(cmdbuf, 0);
2142 extract_token(section, cmdbuf, 1, '|', sizeof section);
2143 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2149 * Client tells us its preferred message format(s)
2151 void cmd_msgp(char *cmdbuf)
2153 if (!strcasecmp(cmdbuf, "dont_decode")) {
2154 CC->msg4_dont_decode = 1;
2155 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2158 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2159 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2165 * Open a component of a MIME message as a download file
2167 void cmd_opna(char *cmdbuf)
2170 char desired_section[128];
2172 msgid = extract_long(cmdbuf, 0);
2173 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2174 safestrncpy(CC->download_desired_section, desired_section,
2175 sizeof CC->download_desired_section);
2176 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2181 * Open a component of a MIME message and transmit it all at once
2183 void cmd_dlat(char *cmdbuf)
2186 char desired_section[128];
2188 msgid = extract_long(cmdbuf, 0);
2189 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2190 safestrncpy(CC->download_desired_section, desired_section,
2191 sizeof CC->download_desired_section);
2192 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2197 * Save one or more message pointers into a specified room
2198 * (Returns 0 for success, nonzero for failure)
2199 * roomname may be NULL to use the current room
2201 * Note that the 'supplied_msg' field may be set to NULL, in which case
2202 * the message will be fetched from disk, by number, if we need to perform
2203 * replication checks. This adds an additional database read, so if the
2204 * caller already has the message in memory then it should be supplied. (Obviously
2205 * this mode of operation only works if we're saving a single message.)
2207 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2208 int do_repl_check, struct CtdlMessage *supplied_msg)
2211 char hold_rm[ROOMNAMELEN];
2212 struct cdbdata *cdbfr;
2215 long highest_msg = 0L;
2218 struct CtdlMessage *msg = NULL;
2220 long *msgs_to_be_merged = NULL;
2221 int num_msgs_to_be_merged = 0;
2223 CtdlLogPrintf(CTDL_DEBUG,
2224 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d)\n",
2225 roomname, num_newmsgs, do_repl_check);
2227 strcpy(hold_rm, CC->room.QRname);
2230 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2231 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2232 if (num_newmsgs > 1) supplied_msg = NULL;
2234 /* Now the regular stuff */
2235 if (lgetroom(&CC->room,
2236 ((roomname != NULL) ? roomname : CC->room.QRname) )
2238 CtdlLogPrintf(CTDL_ERR, "No such room <%s>\n", roomname);
2239 return(ERROR + ROOM_NOT_FOUND);
2243 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2244 num_msgs_to_be_merged = 0;
2247 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2248 if (cdbfr == NULL) {
2252 msglist = (long *) cdbfr->ptr;
2253 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2254 num_msgs = cdbfr->len / sizeof(long);
2259 /* Create a list of msgid's which were supplied by the caller, but do
2260 * not already exist in the target room. It is absolutely taboo to
2261 * have more than one reference to the same message in a room.
2263 for (i=0; i<num_newmsgs; ++i) {
2265 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2266 if (msglist[j] == newmsgidlist[i]) {
2271 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2275 CtdlLogPrintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2278 * Now merge the new messages
2280 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2281 if (msglist == NULL) {
2282 CtdlLogPrintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2284 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2285 num_msgs += num_msgs_to_be_merged;
2287 /* Sort the message list, so all the msgid's are in order */
2288 num_msgs = sort_msglist(msglist, num_msgs);
2290 /* Determine the highest message number */
2291 highest_msg = msglist[num_msgs - 1];
2293 /* Write it back to disk. */
2294 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2295 msglist, (int)(num_msgs * sizeof(long)));
2297 /* Free up the memory we used. */
2300 /* Update the highest-message pointer and unlock the room. */
2301 CC->room.QRhighest = highest_msg;
2302 lputroom(&CC->room);
2304 /* Perform replication checks if necessary */
2305 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2306 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2308 for (i=0; i<num_msgs_to_be_merged; ++i) {
2309 msgid = msgs_to_be_merged[i];
2311 if (supplied_msg != NULL) {
2315 msg = CtdlFetchMessage(msgid, 0);
2319 ReplicationChecks(msg);
2321 /* If the message has an Exclusive ID, index that... */
2322 if (msg->cm_fields['E'] != NULL) {
2323 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2326 /* Free up the memory we may have allocated */
2327 if (msg != supplied_msg) {
2328 CtdlFreeMessage(msg);
2336 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2339 /* Submit this room for processing by hooks */
2340 PerformRoomHooks(&CC->room);
2342 /* Go back to the room we were in before we wandered here... */
2343 getroom(&CC->room, hold_rm);
2345 /* Bump the reference count for all messages which were merged */
2346 for (i=0; i<num_msgs_to_be_merged; ++i) {
2347 AdjRefCount(msgs_to_be_merged[i], +1);
2350 /* Free up memory... */
2351 if (msgs_to_be_merged != NULL) {
2352 free(msgs_to_be_merged);
2355 /* Return success. */
2361 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2364 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2365 int do_repl_check, struct CtdlMessage *supplied_msg)
2367 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg);
2374 * Message base operation to save a new message to the message store
2375 * (returns new message number)
2377 * This is the back end for CtdlSubmitMsg() and should not be directly
2378 * called by server-side modules.
2381 long send_message(struct CtdlMessage *msg) {
2389 /* Get a new message number */
2390 newmsgid = get_new_message_number();
2391 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2393 /* Generate an ID if we don't have one already */
2394 if (msg->cm_fields['I']==NULL) {
2395 msg->cm_fields['I'] = strdup(msgidbuf);
2398 /* If the message is big, set its body aside for storage elsewhere */
2399 if (msg->cm_fields['M'] != NULL) {
2400 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2402 holdM = msg->cm_fields['M'];
2403 msg->cm_fields['M'] = NULL;
2407 /* Serialize our data structure for storage in the database */
2408 serialize_message(&smr, msg);
2411 msg->cm_fields['M'] = holdM;
2415 cprintf("%d Unable to serialize message\n",
2416 ERROR + INTERNAL_ERROR);
2420 /* Write our little bundle of joy into the message base */
2421 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2422 smr.ser, smr.len) < 0) {
2423 CtdlLogPrintf(CTDL_ERR, "Can't store message\n");
2427 cdb_store(CDB_BIGMSGS,
2437 /* Free the memory we used for the serialized message */
2440 /* Return the *local* message ID to the caller
2441 * (even if we're storing an incoming network message)
2449 * Serialize a struct CtdlMessage into the format used on disk and network.
2451 * This function loads up a "struct ser_ret" (defined in server.h) which
2452 * contains the length of the serialized message and a pointer to the
2453 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2455 void serialize_message(struct ser_ret *ret, /* return values */
2456 struct CtdlMessage *msg) /* unserialized msg */
2458 size_t wlen, fieldlen;
2460 static char *forder = FORDER;
2463 * Check for valid message format
2465 if (is_valid_message(msg) == 0) {
2466 CtdlLogPrintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2473 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2474 ret->len = ret->len +
2475 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2477 ret->ser = malloc(ret->len);
2478 if (ret->ser == NULL) {
2479 CtdlLogPrintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2480 (long)ret->len, strerror(errno));
2487 ret->ser[1] = msg->cm_anon_type;
2488 ret->ser[2] = msg->cm_format_type;
2491 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2492 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2493 ret->ser[wlen++] = (char)forder[i];
2494 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2495 wlen = wlen + fieldlen + 1;
2497 if (ret->len != wlen) CtdlLogPrintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2498 (long)ret->len, (long)wlen);
2505 * Serialize a struct CtdlMessage into the format used on disk and network.
2507 * This function loads up a "struct ser_ret" (defined in server.h) which
2508 * contains the length of the serialized message and a pointer to the
2509 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2511 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2512 long Siz) /* how many chars ? */
2516 static char *forder = FORDER;
2520 * Check for valid message format
2522 if (is_valid_message(msg) == 0) {
2523 CtdlLogPrintf(CTDL_ERR, "dump_message() aborting due to invalid message\n");
2527 buf = (char*) malloc (Siz + 1);
2531 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2532 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2533 msg->cm_fields[(int)forder[i]]);
2534 client_write (buf, strlen(buf));
2543 * Check to see if any messages already exist in the current room which
2544 * carry the same Exclusive ID as this one. If any are found, delete them.
2546 void ReplicationChecks(struct CtdlMessage *msg) {
2547 long old_msgnum = (-1L);
2549 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2551 CtdlLogPrintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2554 /* No exclusive id? Don't do anything. */
2555 if (msg == NULL) return;
2556 if (msg->cm_fields['E'] == NULL) return;
2557 if (IsEmptyStr(msg->cm_fields['E'])) return;
2558 /*CtdlLogPrintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2559 msg->cm_fields['E'], CC->room.QRname);*/
2561 old_msgnum = locate_message_by_euid(msg->cm_fields['E'], &CC->room);
2562 if (old_msgnum > 0L) {
2563 CtdlLogPrintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2564 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2571 * Save a message to disk and submit it into the delivery system.
2573 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2574 struct recptypes *recps, /* recipients (if mail) */
2575 char *force, /* force a particular room? */
2576 int flags /* should the bessage be exported clean? */
2578 char submit_filename[128];
2579 char generated_timestamp[32];
2580 char hold_rm[ROOMNAMELEN];
2581 char actual_rm[ROOMNAMELEN];
2582 char force_room[ROOMNAMELEN];
2583 char content_type[SIZ]; /* We have to learn this */
2584 char recipient[SIZ];
2587 struct ctdluser userbuf;
2589 struct MetaData smi;
2590 FILE *network_fp = NULL;
2591 static int seqnum = 1;
2592 struct CtdlMessage *imsg = NULL;
2594 size_t instr_alloc = 0;
2596 char *hold_R, *hold_D;
2597 char *collected_addresses = NULL;
2598 struct addresses_to_be_filed *aptr = NULL;
2599 char *saved_rfc822_version = NULL;
2600 int qualified_for_journaling = 0;
2601 struct CitContext *CCC = CC; /* CachedCitContext - performance boost */
2602 char bounce_to[1024] = "";
2604 CtdlLogPrintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2605 if (is_valid_message(msg) == 0) return(-1); /* self check */
2607 /* If this message has no timestamp, we take the liberty of
2608 * giving it one, right now.
2610 if (msg->cm_fields['T'] == NULL) {
2611 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2612 msg->cm_fields['T'] = strdup(generated_timestamp);
2615 /* If this message has no path, we generate one.
2617 if (msg->cm_fields['P'] == NULL) {
2618 if (msg->cm_fields['A'] != NULL) {
2619 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2620 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2621 if (isspace(msg->cm_fields['P'][a])) {
2622 msg->cm_fields['P'][a] = ' ';
2627 msg->cm_fields['P'] = strdup("unknown");
2631 if (force == NULL) {
2632 strcpy(force_room, "");
2635 strcpy(force_room, force);
2638 /* Learn about what's inside, because it's what's inside that counts */
2639 if (msg->cm_fields['M'] == NULL) {
2640 CtdlLogPrintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2644 switch (msg->cm_format_type) {
2646 strcpy(content_type, "text/x-citadel-variformat");
2649 strcpy(content_type, "text/plain");
2652 strcpy(content_type, "text/plain");
2653 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
2656 safestrncpy(content_type, &mptr[13], sizeof content_type);
2657 striplt(content_type);
2658 aptr = content_type;
2659 while (!IsEmptyStr(aptr)) {
2671 /* Goto the correct room */
2672 CtdlLogPrintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
2673 strcpy(hold_rm, CCC->room.QRname);
2674 strcpy(actual_rm, CCC->room.QRname);
2675 if (recps != NULL) {
2676 strcpy(actual_rm, SENTITEMS);
2679 /* If the user is a twit, move to the twit room for posting */
2681 if (CCC->user.axlevel == 2) {
2682 strcpy(hold_rm, actual_rm);
2683 strcpy(actual_rm, config.c_twitroom);
2684 CtdlLogPrintf(CTDL_DEBUG, "Diverting to twit room\n");
2688 /* ...or if this message is destined for Aide> then go there. */
2689 if (!IsEmptyStr(force_room)) {
2690 strcpy(actual_rm, force_room);
2693 CtdlLogPrintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2694 if (strcasecmp(actual_rm, CCC->room.QRname)) {
2695 /* getroom(&CCC->room, actual_rm); */
2696 usergoto(actual_rm, 0, 1, NULL, NULL);
2700 * If this message has no O (room) field, generate one.
2702 if (msg->cm_fields['O'] == NULL) {
2703 msg->cm_fields['O'] = strdup(CCC->room.QRname);
2706 /* Perform "before save" hooks (aborting if any return nonzero) */
2707 CtdlLogPrintf(CTDL_DEBUG, "Performing before-save hooks\n");
2708 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2711 * If this message has an Exclusive ID, and the room is replication
2712 * checking enabled, then do replication checks.
2714 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
2715 ReplicationChecks(msg);
2718 /* Save it to disk */
2719 CtdlLogPrintf(CTDL_DEBUG, "Saving to disk\n");
2720 newmsgid = send_message(msg);
2721 if (newmsgid <= 0L) return(-5);
2723 /* Write a supplemental message info record. This doesn't have to
2724 * be a critical section because nobody else knows about this message
2727 CtdlLogPrintf(CTDL_DEBUG, "Creating MetaData record\n");
2728 memset(&smi, 0, sizeof(struct MetaData));
2729 smi.meta_msgnum = newmsgid;
2730 smi.meta_refcount = 0;
2731 safestrncpy(smi.meta_content_type, content_type,
2732 sizeof smi.meta_content_type);
2735 * Measure how big this message will be when rendered as RFC822.
2736 * We do this for two reasons:
2737 * 1. We need the RFC822 length for the new metadata record, so the
2738 * POP and IMAP services don't have to calculate message lengths
2739 * while the user is waiting (multiplied by potentially hundreds
2740 * or thousands of messages).
2741 * 2. If journaling is enabled, we will need an RFC822 version of the
2742 * message to attach to the journalized copy.
2744 if (CCC->redirect_buffer != NULL) {
2745 CtdlLogPrintf(CTDL_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
2748 CCC->redirect_buffer = malloc(SIZ);
2749 CCC->redirect_len = 0;
2750 CCC->redirect_alloc = SIZ;
2751 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
2752 smi.meta_rfc822_length = CCC->redirect_len;
2753 saved_rfc822_version = CCC->redirect_buffer;
2754 CCC->redirect_buffer = NULL;
2755 CCC->redirect_len = 0;
2756 CCC->redirect_alloc = 0;
2760 /* Now figure out where to store the pointers */
2761 CtdlLogPrintf(CTDL_DEBUG, "Storing pointers\n");
2763 /* If this is being done by the networker delivering a private
2764 * message, we want to BYPASS saving the sender's copy (because there
2765 * is no local sender; it would otherwise go to the Trashcan).
2767 if ((!CCC->internal_pgm) || (recps == NULL)) {
2768 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2769 CtdlLogPrintf(CTDL_ERR, "ERROR saving message pointer!\n");
2770 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2774 /* For internet mail, drop a copy in the outbound queue room */
2776 if (recps->num_internet > 0) {
2777 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2780 /* If other rooms are specified, drop them there too. */
2782 if (recps->num_room > 0)
2783 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2784 extract_token(recipient, recps->recp_room, i,
2785 '|', sizeof recipient);
2786 CtdlLogPrintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2787 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2790 /* Bump this user's messages posted counter. */
2791 CtdlLogPrintf(CTDL_DEBUG, "Updating user\n");
2792 lgetuser(&CCC->user, CCC->curr_user);
2793 CCC->user.posted = CCC->user.posted + 1;
2794 lputuser(&CCC->user);
2796 /* Decide where bounces need to be delivered */
2797 if (CCC->logged_in) {
2798 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
2801 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
2804 /* If this is private, local mail, make a copy in the
2805 * recipient's mailbox and bump the reference count.
2808 if (recps->num_local > 0)
2809 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2810 extract_token(recipient, recps->recp_local, i,
2811 '|', sizeof recipient);
2812 CtdlLogPrintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2814 if (getuser(&userbuf, recipient) == 0) {
2815 // Add a flag so the Funambol module knows its mail
2816 msg->cm_fields['W'] = strdup(recipient);
2817 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2818 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2819 BumpNewMailCounter(userbuf.usernum);
2820 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
2821 /* Generate a instruction message for the Funambol notification
2822 * server, in the same style as the SMTP queue
2825 instr = malloc(instr_alloc);
2826 snprintf(instr, instr_alloc,
2827 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2829 SPOOLMIME, newmsgid, (long)time(NULL),
2833 imsg = malloc(sizeof(struct CtdlMessage));
2834 memset(imsg, 0, sizeof(struct CtdlMessage));
2835 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2836 imsg->cm_anon_type = MES_NORMAL;
2837 imsg->cm_format_type = FMT_RFC822;
2838 imsg->cm_fields['A'] = strdup("Citadel");
2839 imsg->cm_fields['J'] = strdup("do not journal");
2840 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
2841 imsg->cm_fields['W'] = strdup(recipient);
2842 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
2843 CtdlFreeMessage(imsg);
2847 CtdlLogPrintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2848 CtdlSaveMsgPointerInRoom(config.c_aideroom,
2853 /* Perform "after save" hooks */
2854 CtdlLogPrintf(CTDL_DEBUG, "Performing after-save hooks\n");
2855 PerformMessageHooks(msg, EVT_AFTERSAVE);
2857 /* For IGnet mail, we have to save a new copy into the spooler for
2858 * each recipient, with the R and D fields set to the recipient and
2859 * destination-node. This has two ugly side effects: all other
2860 * recipients end up being unlisted in this recipient's copy of the
2861 * message, and it has to deliver multiple messages to the same
2862 * node. We'll revisit this again in a year or so when everyone has
2863 * a network spool receiver that can handle the new style messages.
2866 if (recps->num_ignet > 0)
2867 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2868 extract_token(recipient, recps->recp_ignet, i,
2869 '|', sizeof recipient);
2871 hold_R = msg->cm_fields['R'];
2872 hold_D = msg->cm_fields['D'];
2873 msg->cm_fields['R'] = malloc(SIZ);
2874 msg->cm_fields['D'] = malloc(128);
2875 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
2876 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
2878 serialize_message(&smr, msg);
2880 snprintf(submit_filename, sizeof submit_filename,
2881 "%s/netmail.%04lx.%04x.%04x",
2883 (long) getpid(), CCC->cs_pid, ++seqnum);
2884 network_fp = fopen(submit_filename, "wb+");
2885 if (network_fp != NULL) {
2886 fwrite(smr.ser, smr.len, 1, network_fp);
2892 free(msg->cm_fields['R']);
2893 free(msg->cm_fields['D']);
2894 msg->cm_fields['R'] = hold_R;
2895 msg->cm_fields['D'] = hold_D;
2898 /* Go back to the room we started from */
2899 CtdlLogPrintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2900 if (strcasecmp(hold_rm, CCC->room.QRname))
2901 usergoto(hold_rm, 0, 1, NULL, NULL);
2903 /* For internet mail, generate delivery instructions.
2904 * Yes, this is recursive. Deal with it. Infinite recursion does
2905 * not happen because the delivery instructions message does not
2906 * contain a recipient.
2909 if (recps->num_internet > 0) {
2910 CtdlLogPrintf(CTDL_DEBUG, "Generating delivery instructions\n");
2912 instr = malloc(instr_alloc);
2913 snprintf(instr, instr_alloc,
2914 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2916 SPOOLMIME, newmsgid, (long)time(NULL),
2920 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2921 size_t tmp = strlen(instr);
2922 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
2923 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
2924 instr_alloc = instr_alloc * 2;
2925 instr = realloc(instr, instr_alloc);
2927 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
2930 imsg = malloc(sizeof(struct CtdlMessage));
2931 memset(imsg, 0, sizeof(struct CtdlMessage));
2932 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2933 imsg->cm_anon_type = MES_NORMAL;
2934 imsg->cm_format_type = FMT_RFC822;
2935 imsg->cm_fields['A'] = strdup("Citadel");
2936 imsg->cm_fields['J'] = strdup("do not journal");
2937 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
2938 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
2939 CtdlFreeMessage(imsg);
2943 * Any addresses to harvest for someone's address book?
2945 if ( (CCC->logged_in) && (recps != NULL) ) {
2946 collected_addresses = harvest_collected_addresses(msg);
2949 if (collected_addresses != NULL) {
2950 aptr = (struct addresses_to_be_filed *)
2951 malloc(sizeof(struct addresses_to_be_filed));
2952 MailboxName(actual_rm, sizeof actual_rm,
2953 &CCC->user, USERCONTACTSROOM);
2954 aptr->roomname = strdup(actual_rm);
2955 aptr->collected_addresses = collected_addresses;
2956 begin_critical_section(S_ATBF);
2959 end_critical_section(S_ATBF);
2963 * Determine whether this message qualifies for journaling.
2965 if (msg->cm_fields['J'] != NULL) {
2966 qualified_for_journaling = 0;
2969 if (recps == NULL) {
2970 qualified_for_journaling = config.c_journal_pubmsgs;
2972 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
2973 qualified_for_journaling = config.c_journal_email;
2976 qualified_for_journaling = config.c_journal_pubmsgs;
2981 * Do we have to perform journaling? If so, hand off the saved
2982 * RFC822 version will be handed off to the journaler for background
2983 * submit. Otherwise, we have to free the memory ourselves.
2985 if (saved_rfc822_version != NULL) {
2986 if (qualified_for_journaling) {
2987 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
2990 free(saved_rfc822_version);
3003 * Convenience function for generating small administrative messages.
3005 void quickie_message(char *from, char *fromaddr, char *to, char *room, char *text,
3006 int format_type, char *subject)
3008 struct CtdlMessage *msg;
3009 struct recptypes *recp = NULL;
3011 msg = malloc(sizeof(struct CtdlMessage));
3012 memset(msg, 0, sizeof(struct CtdlMessage));
3013 msg->cm_magic = CTDLMESSAGE_MAGIC;
3014 msg->cm_anon_type = MES_NORMAL;
3015 msg->cm_format_type = format_type;
3018 msg->cm_fields['A'] = strdup(from);
3020 else if (fromaddr != NULL) {
3021 msg->cm_fields['A'] = strdup(fromaddr);
3022 if (strchr(msg->cm_fields['A'], '@')) {
3023 *strchr(msg->cm_fields['A'], '@') = 0;
3027 msg->cm_fields['A'] = strdup("Citadel");
3030 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3031 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3032 msg->cm_fields['N'] = strdup(NODENAME);
3034 msg->cm_fields['R'] = strdup(to);
3035 recp = validate_recipients(to, NULL, 0);
3037 if (subject != NULL) {
3038 msg->cm_fields['U'] = strdup(subject);
3040 msg->cm_fields['M'] = strdup(text);
3042 CtdlSubmitMsg(msg, recp, room, 0);
3043 CtdlFreeMessage(msg);
3044 if (recp != NULL) free_recipients(recp);
3050 * Back end function used by CtdlMakeMessage() and similar functions
3052 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3053 size_t maxlen, /* maximum message length */
3054 char *exist, /* if non-null, append to it;
3055 exist is ALWAYS freed */
3056 int crlf, /* CRLF newlines instead of LF */
3057 int sock /* socket handle or 0 for this session's client socket */
3061 size_t message_len = 0;
3062 size_t buffer_len = 0;
3069 if (exist == NULL) {
3076 message_len = strlen(exist);
3077 buffer_len = message_len + 4096;
3078 m = realloc(exist, buffer_len);
3085 /* Do we need to change leading ".." to "." for SMTP escaping? */
3086 if (!strcmp(terminator, ".")) {
3090 /* flush the input if we have nowhere to store it */
3095 /* read in the lines of message text one by one */
3098 if (sock_getln(sock, buf, (sizeof buf - 3)) < 0) finished = 1;
3101 if (client_getln(buf, (sizeof buf - 3)) < 1) finished = 1;
3103 if (!strcmp(buf, terminator)) finished = 1;
3105 strcat(buf, "\r\n");
3111 /* Unescape SMTP-style input of two dots at the beginning of the line */
3113 if (!strncmp(buf, "..", 2)) {
3114 strcpy(buf, &buf[1]);
3118 if ( (!flushing) && (!finished) ) {
3119 /* Measure the line */
3120 linelen = strlen(buf);
3122 /* augment the buffer if we have to */
3123 if ((message_len + linelen) >= buffer_len) {
3124 ptr = realloc(m, (buffer_len * 2) );
3125 if (ptr == NULL) { /* flush if can't allocate */
3128 buffer_len = (buffer_len * 2);
3130 CtdlLogPrintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
3134 /* Add the new line to the buffer. NOTE: this loop must avoid
3135 * using functions like strcat() and strlen() because they
3136 * traverse the entire buffer upon every call, and doing that
3137 * for a multi-megabyte message slows it down beyond usability.
3139 strcpy(&m[message_len], buf);
3140 message_len += linelen;
3143 /* if we've hit the max msg length, flush the rest */
3144 if (message_len >= maxlen) flushing = 1;
3146 } while (!finished);
3154 * Build a binary message to be saved on disk.
3155 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3156 * will become part of the message. This means you are no longer
3157 * responsible for managing that memory -- it will be freed along with
3158 * the rest of the fields when CtdlFreeMessage() is called.)
3161 struct CtdlMessage *CtdlMakeMessage(
3162 struct ctdluser *author, /* author's user structure */
3163 char *recipient, /* NULL if it's not mail */
3164 char *recp_cc, /* NULL if it's not mail */
3165 char *room, /* room where it's going */
3166 int type, /* see MES_ types in header file */
3167 int format_type, /* variformat, plain text, MIME... */
3168 char *fake_name, /* who we're masquerading as */
3169 char *my_email, /* which of my email addresses to use (empty is ok) */
3170 char *subject, /* Subject (optional) */
3171 char *supplied_euid, /* ...or NULL if this is irrelevant */
3172 char *preformatted_text, /* ...or NULL to read text from client */
3173 char *references /* Thread references */
3175 char dest_node[256];
3177 struct CtdlMessage *msg;
3179 msg = malloc(sizeof(struct CtdlMessage));
3180 memset(msg, 0, sizeof(struct CtdlMessage));
3181 msg->cm_magic = CTDLMESSAGE_MAGIC;
3182 msg->cm_anon_type = type;
3183 msg->cm_format_type = format_type;
3185 /* Don't confuse the poor folks if it's not routed mail. */
3186 strcpy(dest_node, "");
3191 /* Path or Return-Path */
3192 if (my_email == NULL) my_email = "";
3194 if (!IsEmptyStr(my_email)) {
3195 msg->cm_fields['P'] = strdup(my_email);
3198 snprintf(buf, sizeof buf, "%s", author->fullname);
3199 msg->cm_fields['P'] = strdup(buf);
3201 convert_spaces_to_underscores(msg->cm_fields['P']);
3203 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3204 msg->cm_fields['T'] = strdup(buf);
3206 if (fake_name[0]) /* author */
3207 msg->cm_fields['A'] = strdup(fake_name);
3209 msg->cm_fields['A'] = strdup(author->fullname);
3211 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3212 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3215 msg->cm_fields['O'] = strdup(CC->room.QRname);
3218 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3219 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3221 if (recipient[0] != 0) {
3222 msg->cm_fields['R'] = strdup(recipient);
3224 if (recp_cc[0] != 0) {
3225 msg->cm_fields['Y'] = strdup(recp_cc);
3227 if (dest_node[0] != 0) {
3228 msg->cm_fields['D'] = strdup(dest_node);
3231 if (!IsEmptyStr(my_email)) {
3232 msg->cm_fields['F'] = strdup(my_email);
3234 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3235 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3238 if (subject != NULL) {
3241 length = strlen(subject);
3247 while ((subject[i] != '\0') &&
3248 (IsAscii = isascii(subject[i]) != 0 ))
3251 msg->cm_fields['U'] = strdup(subject);
3252 else /* ok, we've got utf8 in the string. */
3254 msg->cm_fields['U'] = rfc2047encode(subject, length);
3260 if (supplied_euid != NULL) {
3261 msg->cm_fields['E'] = strdup(supplied_euid);
3264 if (references != NULL) {
3265 if (!IsEmptyStr(references)) {
3266 msg->cm_fields['W'] = strdup(references);
3270 if (preformatted_text != NULL) {
3271 msg->cm_fields['M'] = preformatted_text;
3274 msg->cm_fields['M'] = CtdlReadMessageBody("000", config.c_maxmsglen, NULL, 0, 0);
3282 * Check to see whether we have permission to post a message in the current
3283 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3284 * returns 0 on success.
3286 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf,
3288 const char* RemoteIdentifier,
3292 if (!(CC->logged_in) &&
3293 (PostPublic == POST_LOGGED_IN)) {
3294 snprintf(errmsgbuf, n, "Not logged in.");
3295 return (ERROR + NOT_LOGGED_IN);
3297 else if (PostPublic == CHECK_EXISTANCE) {
3298 return (0); // We're Evaling whether a recipient exists
3300 else if (!(CC->logged_in)) {
3302 if ((CC->room.QRflags & QR_READONLY)) {
3303 snprintf(errmsgbuf, n, "Not logged in.");
3304 return (ERROR + NOT_LOGGED_IN);
3306 if (CC->room.QRflags2 & QR2_MODERATED) {
3307 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3308 return (ERROR + NOT_LOGGED_IN);
3310 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3315 if (RemoteIdentifier == NULL)
3317 snprintf(errmsgbuf, n, "Need sender to permit access.");
3318 return (ERROR + USERNAME_REQUIRED);
3321 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3322 begin_critical_section(S_NETCONFIGS);
3323 if (!read_spoolcontrol_file(&sc, filename))
3325 end_critical_section(S_NETCONFIGS);
3326 snprintf(errmsgbuf, n,
3327 "This mailing list only accepts posts from subscribers.");
3328 return (ERROR + NO_SUCH_USER);
3330 end_critical_section(S_NETCONFIGS);
3331 found = is_recipient (sc, RemoteIdentifier);
3332 free_spoolcontrol_struct(&sc);
3337 snprintf(errmsgbuf, n,
3338 "This mailing list only accepts posts from subscribers.");
3339 return (ERROR + NO_SUCH_USER);
3346 if ((CC->user.axlevel < 2)
3347 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3348 snprintf(errmsgbuf, n, "Need to be validated to enter "
3349 "(except in %s> to sysop)", MAILROOM);
3350 return (ERROR + HIGHER_ACCESS_REQUIRED);
3353 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3354 if (!(ra & UA_POSTALLOWED)) {
3355 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3356 return (ERROR + HIGHER_ACCESS_REQUIRED);
3359 strcpy(errmsgbuf, "Ok");
3365 * Check to see if the specified user has Internet mail permission
3366 * (returns nonzero if permission is granted)
3368 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3370 /* Do not allow twits to send Internet mail */
3371 if (who->axlevel <= 2) return(0);
3373 /* Globally enabled? */
3374 if (config.c_restrict == 0) return(1);
3376 /* User flagged ok? */
3377 if (who->flags & US_INTERNET) return(2);
3379 /* Aide level access? */
3380 if (who->axlevel >= 6) return(3);
3382 /* No mail for you! */
3388 * Validate recipients, count delivery types and errors, and handle aliasing
3389 * FIXME check for dupes!!!!!
3391 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3392 * were specified, or the number of addresses found invalid.
3394 * Caller needs to free the result using free_recipients()
3396 struct recptypes *validate_recipients(char *supplied_recipients,
3397 const char *RemoteIdentifier,
3399 struct recptypes *ret;
3400 char *recipients = NULL;
3401 char this_recp[256];
3402 char this_recp_cooked[256];
3408 struct ctdluser tempUS;
3409 struct ctdlroom tempQR;
3410 struct ctdlroom tempQR2;
3416 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3417 if (ret == NULL) return(NULL);
3419 /* Set all strings to null and numeric values to zero */
3420 memset(ret, 0, sizeof(struct recptypes));
3422 if (supplied_recipients == NULL) {
3423 recipients = strdup("");
3426 recipients = strdup(supplied_recipients);
3429 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3430 * actually need, but it's healthier for the heap than doing lots of tiny
3431 * realloc() calls instead.
3434 ret->errormsg = malloc(strlen(recipients) + 1024);
3435 ret->recp_local = malloc(strlen(recipients) + 1024);
3436 ret->recp_internet = malloc(strlen(recipients) + 1024);
3437 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3438 ret->recp_room = malloc(strlen(recipients) + 1024);
3439 ret->display_recp = malloc(strlen(recipients) + 1024);
3441 ret->errormsg[0] = 0;
3442 ret->recp_local[0] = 0;
3443 ret->recp_internet[0] = 0;
3444 ret->recp_ignet[0] = 0;
3445 ret->recp_room[0] = 0;
3446 ret->display_recp[0] = 0;
3448 ret->recptypes_magic = RECPTYPES_MAGIC;
3450 /* Change all valid separator characters to commas */
3451 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3452 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3453 recipients[i] = ',';
3457 /* Now start extracting recipients... */
3459 while (!IsEmptyStr(recipients)) {
3461 for (i=0; i<=strlen(recipients); ++i) {
3462 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3463 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3464 safestrncpy(this_recp, recipients, i+1);
3466 if (recipients[i] == ',') {
3467 strcpy(recipients, &recipients[i+1]);
3470 strcpy(recipients, "");
3477 if (IsEmptyStr(this_recp))
3479 CtdlLogPrintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3481 mailtype = alias(this_recp);
3482 mailtype = alias(this_recp);
3483 mailtype = alias(this_recp);
3485 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3486 if (this_recp[j]=='_') {
3487 this_recp_cooked[j] = ' ';
3490 this_recp_cooked[j] = this_recp[j];
3493 this_recp_cooked[j] = '\0';
3498 if (!strcasecmp(this_recp, "sysop")) {
3500 strcpy(this_recp, config.c_aideroom);
3501 if (!IsEmptyStr(ret->recp_room)) {
3502 strcat(ret->recp_room, "|");
3504 strcat(ret->recp_room, this_recp);
3506 else if ( (!strncasecmp(this_recp, "room_", 5))
3507 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
3509 /* Save room so we can restore it later */
3513 /* Check permissions to send mail to this room */
3514 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg,
3526 if (!IsEmptyStr(ret->recp_room)) {
3527 strcat(ret->recp_room, "|");
3529 strcat(ret->recp_room, &this_recp_cooked[5]);
3532 /* Restore room in case something needs it */
3536 else if (getuser(&tempUS, this_recp) == 0) {
3538 strcpy(this_recp, tempUS.fullname);
3539 if (!IsEmptyStr(ret->recp_local)) {
3540 strcat(ret->recp_local, "|");
3542 strcat(ret->recp_local, this_recp);
3544 else if (getuser(&tempUS, this_recp_cooked) == 0) {
3546 strcpy(this_recp, tempUS.fullname);
3547 if (!IsEmptyStr(ret->recp_local)) {
3548 strcat(ret->recp_local, "|");
3550 strcat(ret->recp_local, this_recp);
3558 /* Yes, you're reading this correctly: if the target
3559 * domain points back to the local system or an attached
3560 * Citadel directory, the address is invalid. That's
3561 * because if the address were valid, we would have
3562 * already translated it to a local address by now.
3564 if (IsDirectory(this_recp, 0)) {
3569 ++ret->num_internet;
3570 if (!IsEmptyStr(ret->recp_internet)) {
3571 strcat(ret->recp_internet, "|");
3573 strcat(ret->recp_internet, this_recp);
3578 if (!IsEmptyStr(ret->recp_ignet)) {
3579 strcat(ret->recp_ignet, "|");
3581 strcat(ret->recp_ignet, this_recp);
3589 if (IsEmptyStr(errmsg)) {
3590 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3593 snprintf(append, sizeof append, "%s", errmsg);
3595 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3596 if (!IsEmptyStr(ret->errormsg)) {
3597 strcat(ret->errormsg, "; ");
3599 strcat(ret->errormsg, append);
3603 if (IsEmptyStr(ret->display_recp)) {
3604 strcpy(append, this_recp);
3607 snprintf(append, sizeof append, ", %s", this_recp);
3609 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3610 strcat(ret->display_recp, append);
3615 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3616 ret->num_room + ret->num_error) == 0) {
3617 ret->num_error = (-1);
3618 strcpy(ret->errormsg, "No recipients specified.");
3621 CtdlLogPrintf(CTDL_DEBUG, "validate_recipients()\n");
3622 CtdlLogPrintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3623 CtdlLogPrintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3624 CtdlLogPrintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3625 CtdlLogPrintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3626 CtdlLogPrintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3634 * Destructor for struct recptypes
3636 void free_recipients(struct recptypes *valid) {
3638 if (valid == NULL) {
3642 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
3643 CtdlLogPrintf(CTDL_EMERG, "Attempt to call free_recipients() on some other data type!\n");
3647 if (valid->errormsg != NULL) free(valid->errormsg);
3648 if (valid->recp_local != NULL) free(valid->recp_local);
3649 if (valid->recp_internet != NULL) free(valid->recp_internet);
3650 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
3651 if (valid->recp_room != NULL) free(valid->recp_room);
3652 if (valid->display_recp != NULL) free(valid->display_recp);
3659 * message entry - mode 0 (normal)
3661 void cmd_ent0(char *entargs)
3667 char supplied_euid[128];
3669 int format_type = 0;
3670 char newusername[256];
3671 char newuseremail[256];
3672 struct CtdlMessage *msg;
3676 struct recptypes *valid = NULL;
3677 struct recptypes *valid_to = NULL;
3678 struct recptypes *valid_cc = NULL;
3679 struct recptypes *valid_bcc = NULL;
3681 int subject_required = 0;
3686 int newuseremail_ok = 0;
3687 char references[SIZ];
3692 post = extract_int(entargs, 0);
3693 extract_token(recp, entargs, 1, '|', sizeof recp);
3694 anon_flag = extract_int(entargs, 2);
3695 format_type = extract_int(entargs, 3);
3696 extract_token(subject, entargs, 4, '|', sizeof subject);
3697 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3698 do_confirm = extract_int(entargs, 6);
3699 extract_token(cc, entargs, 7, '|', sizeof cc);
3700 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3701 switch(CC->room.QRdefaultview) {
3704 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3707 supplied_euid[0] = 0;
3710 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
3711 extract_token(references, entargs, 11, '|', sizeof references);
3712 for (ptr=references; *ptr != 0; ++ptr) {
3713 if (*ptr == '!') *ptr = '|';
3716 /* first check to make sure the request is valid. */
3718 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg, NULL, POST_LOGGED_IN);
3721 cprintf("%d %s\n", err, errmsg);
3725 /* Check some other permission type things. */
3727 if (IsEmptyStr(newusername)) {
3728 strcpy(newusername, CC->user.fullname);
3730 if ( (CC->user.axlevel < 6)
3731 && (strcasecmp(newusername, CC->user.fullname))
3732 && (strcasecmp(newusername, CC->cs_inet_fn))
3734 cprintf("%d You don't have permission to author messages as '%s'.\n",
3735 ERROR + HIGHER_ACCESS_REQUIRED,
3742 if (IsEmptyStr(newuseremail)) {
3743 newuseremail_ok = 1;
3746 if (!IsEmptyStr(newuseremail)) {
3747 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
3748 newuseremail_ok = 1;
3750 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
3751 j = num_tokens(CC->cs_inet_other_emails, '|');
3752 for (i=0; i<j; ++i) {
3753 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
3754 if (!strcasecmp(newuseremail, buf)) {
3755 newuseremail_ok = 1;
3761 if (!newuseremail_ok) {
3762 cprintf("%d You don't have permission to author messages as '%s'.\n",
3763 ERROR + HIGHER_ACCESS_REQUIRED,
3769 CC->cs_flags |= CS_POSTING;
3771 /* In mailbox rooms we have to behave a little differently --
3772 * make sure the user has specified at least one recipient. Then
3773 * validate the recipient(s). We do this for the Mail> room, as
3774 * well as any room which has the "Mailbox" view set.
3777 if ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
3778 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
3780 if (CC->user.axlevel < 2) {
3781 strcpy(recp, "sysop");
3786 valid_to = validate_recipients(recp, NULL, 0);
3787 if (valid_to->num_error > 0) {
3788 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
3789 free_recipients(valid_to);
3793 valid_cc = validate_recipients(cc, NULL, 0);
3794 if (valid_cc->num_error > 0) {
3795 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
3796 free_recipients(valid_to);
3797 free_recipients(valid_cc);
3801 valid_bcc = validate_recipients(bcc, NULL, 0);
3802 if (valid_bcc->num_error > 0) {
3803 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
3804 free_recipients(valid_to);
3805 free_recipients(valid_cc);
3806 free_recipients(valid_bcc);
3810 /* Recipient required, but none were specified */
3811 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
3812 free_recipients(valid_to);
3813 free_recipients(valid_cc);
3814 free_recipients(valid_bcc);
3815 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
3819 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
3820 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
3821 cprintf("%d You do not have permission "
3822 "to send Internet mail.\n",
3823 ERROR + HIGHER_ACCESS_REQUIRED);
3824 free_recipients(valid_to);
3825 free_recipients(valid_cc);
3826 free_recipients(valid_bcc);
3831 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)
3832 && (CC->user.axlevel < 4) ) {
3833 cprintf("%d Higher access required for network mail.\n",
3834 ERROR + HIGHER_ACCESS_REQUIRED);
3835 free_recipients(valid_to);
3836 free_recipients(valid_cc);
3837 free_recipients(valid_bcc);
3841 if ((RESTRICT_INTERNET == 1)
3842 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
3843 && ((CC->user.flags & US_INTERNET) == 0)
3844 && (!CC->internal_pgm)) {
3845 cprintf("%d You don't have access to Internet mail.\n",
3846 ERROR + HIGHER_ACCESS_REQUIRED);
3847 free_recipients(valid_to);
3848 free_recipients(valid_cc);
3849 free_recipients(valid_bcc);
3855 /* Is this a room which has anonymous-only or anonymous-option? */
3856 anonymous = MES_NORMAL;
3857 if (CC->room.QRflags & QR_ANONONLY) {
3858 anonymous = MES_ANONONLY;
3860 if (CC->room.QRflags & QR_ANONOPT) {
3861 if (anon_flag == 1) { /* only if the user requested it */
3862 anonymous = MES_ANONOPT;
3866 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
3870 /* Recommend to the client that the use of a message subject is
3871 * strongly recommended in this room, if either the SUBJECTREQ flag
3872 * is set, or if there is one or more Internet email recipients.
3874 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
3875 if (valid_to) if (valid_to->num_internet > 0) subject_required = 1;
3876 if (valid_cc) if (valid_cc->num_internet > 0) subject_required = 1;
3877 if (valid_bcc) if (valid_bcc->num_internet > 0) subject_required = 1;
3879 /* If we're only checking the validity of the request, return
3880 * success without creating the message.
3883 cprintf("%d %s|%d\n", CIT_OK,
3884 ((valid_to != NULL) ? valid_to->display_recp : ""),
3886 free_recipients(valid_to);
3887 free_recipients(valid_cc);
3888 free_recipients(valid_bcc);
3892 /* We don't need these anymore because we'll do it differently below */
3893 free_recipients(valid_to);
3894 free_recipients(valid_cc);
3895 free_recipients(valid_bcc);
3897 /* Read in the message from the client. */
3899 cprintf("%d send message\n", START_CHAT_MODE);
3901 cprintf("%d send message\n", SEND_LISTING);
3904 msg = CtdlMakeMessage(&CC->user, recp, cc,
3905 CC->room.QRname, anonymous, format_type,
3906 newusername, newuseremail, subject,
3907 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
3910 /* Put together one big recipients struct containing to/cc/bcc all in
3911 * one. This is for the envelope.
3913 char *all_recps = malloc(SIZ * 3);
3914 strcpy(all_recps, recp);
3915 if (!IsEmptyStr(cc)) {
3916 if (!IsEmptyStr(all_recps)) {
3917 strcat(all_recps, ",");
3919 strcat(all_recps, cc);
3921 if (!IsEmptyStr(bcc)) {
3922 if (!IsEmptyStr(all_recps)) {
3923 strcat(all_recps, ",");
3925 strcat(all_recps, bcc);
3927 if (!IsEmptyStr(all_recps)) {
3928 valid = validate_recipients(all_recps, NULL, 0);
3936 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
3939 cprintf("%ld\n", msgnum);
3941 cprintf("Message accepted.\n");
3944 cprintf("Internal error.\n");
3946 if (msg->cm_fields['E'] != NULL) {
3947 cprintf("%s\n", msg->cm_fields['E']);
3954 CtdlFreeMessage(msg);
3956 if (valid != NULL) {
3957 free_recipients(valid);
3965 * API function to delete messages which match a set of criteria
3966 * (returns the actual number of messages deleted)
3968 int CtdlDeleteMessages(char *room_name, /* which room */
3969 long *dmsgnums, /* array of msg numbers to be deleted */
3970 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
3971 char *content_type /* or "" for any. regular expressions expected. */
3974 struct ctdlroom qrbuf;
3975 struct cdbdata *cdbfr;
3976 long *msglist = NULL;
3977 long *dellist = NULL;
3980 int num_deleted = 0;
3982 struct MetaData smi;
3985 int need_to_free_re = 0;
3987 if (content_type) if (!IsEmptyStr(content_type)) {
3988 regcomp(&re, content_type, 0);
3989 need_to_free_re = 1;
3991 CtdlLogPrintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
3992 room_name, num_dmsgnums, content_type);
3994 /* get room record, obtaining a lock... */
3995 if (lgetroom(&qrbuf, room_name) != 0) {
3996 CtdlLogPrintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
3998 if (need_to_free_re) regfree(&re);
3999 return (0); /* room not found */
4001 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4003 if (cdbfr != NULL) {
4004 dellist = malloc(cdbfr->len);
4005 msglist = (long *) cdbfr->ptr;
4006 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4007 num_msgs = cdbfr->len / sizeof(long);
4011 for (i = 0; i < num_msgs; ++i) {
4014 /* Set/clear a bit for each criterion */
4016 /* 0 messages in the list or a null list means that we are
4017 * interested in deleting any messages which meet the other criteria.
4019 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4020 delete_this |= 0x01;
4023 for (j=0; j<num_dmsgnums; ++j) {
4024 if (msglist[i] == dmsgnums[j]) {
4025 delete_this |= 0x01;
4030 if (IsEmptyStr(content_type)) {
4031 delete_this |= 0x02;
4033 GetMetaData(&smi, msglist[i]);
4034 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4035 delete_this |= 0x02;
4039 /* Delete message only if all bits are set */
4040 if (delete_this == 0x03) {
4041 dellist[num_deleted++] = msglist[i];
4046 num_msgs = sort_msglist(msglist, num_msgs);
4047 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4048 msglist, (int)(num_msgs * sizeof(long)));
4050 qrbuf.QRhighest = msglist[num_msgs - 1];
4054 /* Go through the messages we pulled out of the index, and decrement
4055 * their reference counts by 1. If this is the only room the message
4056 * was in, the reference count will reach zero and the message will
4057 * automatically be deleted from the database. We do this in a
4058 * separate pass because there might be plug-in hooks getting called,
4059 * and we don't want that happening during an S_ROOMS critical
4062 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4063 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4064 AdjRefCount(dellist[i], -1);
4067 /* Now free the memory we used, and go away. */
4068 if (msglist != NULL) free(msglist);
4069 if (dellist != NULL) free(dellist);
4070 CtdlLogPrintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
4071 if (need_to_free_re) regfree(&re);
4072 return (num_deleted);
4078 * Check whether the current user has permission to delete messages from
4079 * the current room (returns 1 for yes, 0 for no)
4081 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4083 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4084 if (ra & UA_DELETEALLOWED) return(1);
4092 * Delete message from current room
4094 void cmd_dele(char *args)
4103 extract_token(msgset, args, 0, '|', sizeof msgset);
4104 num_msgs = num_tokens(msgset, ',');
4106 cprintf("%d Nothing to do.\n", CIT_OK);
4110 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4111 cprintf("%d Higher access required.\n",
4112 ERROR + HIGHER_ACCESS_REQUIRED);
4117 * Build our message set to be moved/copied
4119 msgs = malloc(num_msgs * sizeof(long));
4120 for (i=0; i<num_msgs; ++i) {
4121 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4122 msgs[i] = atol(msgtok);
4125 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4129 cprintf("%d %d message%s deleted.\n", CIT_OK,
4130 num_deleted, ((num_deleted != 1) ? "s" : ""));
4132 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4138 * Back end API function for moves and deletes (multiple messages)
4140 int CtdlCopyMsgsToRoom(long *msgnums, int num_msgs, char *dest) {
4143 err = CtdlSaveMsgPointersInRoom(dest, msgnums, num_msgs, 1, NULL);
4144 if (err != 0) return(err);
4153 * move or copy a message to another room
4155 void cmd_move(char *args)
4162 char targ[ROOMNAMELEN];
4163 struct ctdlroom qtemp;
4170 extract_token(msgset, args, 0, '|', sizeof msgset);
4171 num_msgs = num_tokens(msgset, ',');
4173 cprintf("%d Nothing to do.\n", CIT_OK);
4177 extract_token(targ, args, 1, '|', sizeof targ);
4178 convert_room_name_macros(targ, sizeof targ);
4179 targ[ROOMNAMELEN - 1] = 0;
4180 is_copy = extract_int(args, 2);
4182 if (getroom(&qtemp, targ) != 0) {
4183 cprintf("%d '%s' does not exist.\n",
4184 ERROR + ROOM_NOT_FOUND, targ);
4188 getuser(&CC->user, CC->curr_user);
4189 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4191 /* Check for permission to perform this operation.
4192 * Remember: "CC->room" is source, "qtemp" is target.
4196 /* Aides can move/copy */
4197 if (CC->user.axlevel >= 6) permit = 1;
4199 /* Room aides can move/copy */
4200 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4202 /* Permit move/copy from personal rooms */
4203 if ((CC->room.QRflags & QR_MAILBOX)
4204 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4206 /* Permit only copy from public to personal room */
4208 && (!(CC->room.QRflags & QR_MAILBOX))
4209 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4211 /* Permit message removal from collaborative delete rooms */
4212 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4214 /* Users allowed to post into the target room may move into it too. */
4215 if ((CC->room.QRflags & QR_MAILBOX) &&
4216 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4218 /* User must have access to target room */
4219 if (!(ra & UA_KNOWN)) permit = 0;
4222 cprintf("%d Higher access required.\n",
4223 ERROR + HIGHER_ACCESS_REQUIRED);
4228 * Build our message set to be moved/copied
4230 msgs = malloc(num_msgs * sizeof(long));
4231 for (i=0; i<num_msgs; ++i) {
4232 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4233 msgs[i] = atol(msgtok);
4239 err = CtdlCopyMsgsToRoom(msgs, num_msgs, targ);
4241 cprintf("%d Cannot store message(s) in %s: error %d\n",
4247 /* Now delete the message from the source room,
4248 * if this is a 'move' rather than a 'copy' operation.
4251 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4255 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4261 * GetMetaData() - Get the supplementary record for a message
4263 void GetMetaData(struct MetaData *smibuf, long msgnum)
4266 struct cdbdata *cdbsmi;
4269 memset(smibuf, 0, sizeof(struct MetaData));
4270 smibuf->meta_msgnum = msgnum;
4271 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4273 /* Use the negative of the message number for its supp record index */
4274 TheIndex = (0L - msgnum);
4276 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4277 if (cdbsmi == NULL) {
4278 return; /* record not found; go with defaults */
4280 memcpy(smibuf, cdbsmi->ptr,
4281 ((cdbsmi->len > sizeof(struct MetaData)) ?
4282 sizeof(struct MetaData) : cdbsmi->len));
4289 * PutMetaData() - (re)write supplementary record for a message
4291 void PutMetaData(struct MetaData *smibuf)
4295 /* Use the negative of the message number for the metadata db index */
4296 TheIndex = (0L - smibuf->meta_msgnum);
4298 cdb_store(CDB_MSGMAIN,
4299 &TheIndex, (int)sizeof(long),
4300 smibuf, (int)sizeof(struct MetaData));
4305 * AdjRefCount - submit an adjustment to the reference count for a message.
4306 * (These are just queued -- we actually process them later.)
4308 void AdjRefCount(long msgnum, int incr)
4310 struct arcq new_arcq;
4312 begin_critical_section(S_SUPPMSGMAIN);
4313 if (arcfp == NULL) {
4314 arcfp = fopen(file_arcq, "ab+");
4316 end_critical_section(S_SUPPMSGMAIN);
4318 /* msgnum < 0 means that we're trying to close the file */
4320 CtdlLogPrintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
4321 begin_critical_section(S_SUPPMSGMAIN);
4322 if (arcfp != NULL) {
4326 end_critical_section(S_SUPPMSGMAIN);
4331 * If we can't open the queue, perform the operation synchronously.
4333 if (arcfp == NULL) {
4334 TDAP_AdjRefCount(msgnum, incr);
4338 new_arcq.arcq_msgnum = msgnum;
4339 new_arcq.arcq_delta = incr;
4340 fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4348 * TDAP_ProcessAdjRefCountQueue()
4350 * Process the queue of message count adjustments that was created by calls
4351 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4352 * for each one. This should be an "off hours" operation.
4354 int TDAP_ProcessAdjRefCountQueue(void)
4356 char file_arcq_temp[PATH_MAX];
4359 struct arcq arcq_rec;
4360 int num_records_processed = 0;
4362 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4364 begin_critical_section(S_SUPPMSGMAIN);
4365 if (arcfp != NULL) {
4370 r = link(file_arcq, file_arcq_temp);
4372 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4373 end_critical_section(S_SUPPMSGMAIN);
4374 return(num_records_processed);
4378 end_critical_section(S_SUPPMSGMAIN);
4380 fp = fopen(file_arcq_temp, "rb");
4382 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4383 return(num_records_processed);
4386 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4387 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4388 ++num_records_processed;
4392 r = unlink(file_arcq_temp);
4394 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4397 return(num_records_processed);
4403 * TDAP_AdjRefCount - adjust the reference count for a message.
4404 * This one does it "for real" because it's called by
4405 * the autopurger function that processes the queue
4406 * created by AdjRefCount(). If a message's reference
4407 * count becomes zero, we also delete the message from
4408 * disk and de-index it.
4410 void TDAP_AdjRefCount(long msgnum, int incr)
4413 struct MetaData smi;
4416 /* This is a *tight* critical section; please keep it that way, as
4417 * it may get called while nested in other critical sections.
4418 * Complicating this any further will surely cause deadlock!
4420 begin_critical_section(S_SUPPMSGMAIN);
4421 GetMetaData(&smi, msgnum);
4422 smi.meta_refcount += incr;
4424 end_critical_section(S_SUPPMSGMAIN);
4425 CtdlLogPrintf(CTDL_DEBUG, "msg %ld ref count delta %+d, is now %d\n",
4426 msgnum, incr, smi.meta_refcount);
4428 /* If the reference count is now zero, delete the message
4429 * (and its supplementary record as well).
4431 if (smi.meta_refcount == 0) {
4432 CtdlLogPrintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
4434 /* Call delete hooks with NULL room to show it has gone altogether */
4435 PerformDeleteHooks(NULL, msgnum);
4437 /* Remove from message base */
4439 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4440 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4442 /* Remove metadata record */
4443 delnum = (0L - msgnum);
4444 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4450 * Write a generic object to this room
4452 * Note: this could be much more efficient. Right now we use two temporary
4453 * files, and still pull the message into memory as with all others.
4455 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4456 char *content_type, /* MIME type of this object */
4457 char *raw_message, /* Data to be written */
4458 off_t raw_length, /* Size of raw_message */
4459 struct ctdluser *is_mailbox, /* Mailbox room? */
4460 int is_binary, /* Is encoding necessary? */
4461 int is_unique, /* Del others of this type? */
4462 unsigned int flags /* Internal save flags */
4466 struct ctdlroom qrbuf;
4467 char roomname[ROOMNAMELEN];
4468 struct CtdlMessage *msg;
4469 char *encoded_message = NULL;
4471 if (is_mailbox != NULL) {
4472 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4475 safestrncpy(roomname, req_room, sizeof(roomname));
4478 CtdlLogPrintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4481 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4484 encoded_message = malloc((size_t)(raw_length + 4096));
4487 sprintf(encoded_message, "Content-type: %s\n", content_type);
4490 sprintf(&encoded_message[strlen(encoded_message)],
4491 "Content-transfer-encoding: base64\n\n"
4495 sprintf(&encoded_message[strlen(encoded_message)],
4496 "Content-transfer-encoding: 7bit\n\n"
4502 &encoded_message[strlen(encoded_message)],
4510 &encoded_message[strlen(encoded_message)],
4516 CtdlLogPrintf(CTDL_DEBUG, "Allocating\n");
4517 msg = malloc(sizeof(struct CtdlMessage));
4518 memset(msg, 0, sizeof(struct CtdlMessage));
4519 msg->cm_magic = CTDLMESSAGE_MAGIC;
4520 msg->cm_anon_type = MES_NORMAL;
4521 msg->cm_format_type = 4;
4522 msg->cm_fields['A'] = strdup(CC->user.fullname);
4523 msg->cm_fields['O'] = strdup(req_room);
4524 msg->cm_fields['N'] = strdup(config.c_nodename);
4525 msg->cm_fields['H'] = strdup(config.c_humannode);
4526 msg->cm_flags = flags;
4528 msg->cm_fields['M'] = encoded_message;
4530 /* Create the requested room if we have to. */
4531 if (getroom(&qrbuf, roomname) != 0) {
4532 create_room(roomname,
4533 ( (is_mailbox != NULL) ? 5 : 3 ),
4534 "", 0, 1, 0, VIEW_BBS);
4536 /* If the caller specified this object as unique, delete all
4537 * other objects of this type that are currently in the room.
4540 CtdlLogPrintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4541 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4544 /* Now write the data */
4545 CtdlSubmitMsg(msg, NULL, roomname, 0);
4546 CtdlFreeMessage(msg);
4554 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4555 config_msgnum = msgnum;
4559 char *CtdlGetSysConfig(char *sysconfname) {
4560 char hold_rm[ROOMNAMELEN];
4563 struct CtdlMessage *msg;
4566 strcpy(hold_rm, CC->room.QRname);
4567 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
4568 getroom(&CC->room, hold_rm);
4573 /* We want the last (and probably only) config in this room */
4574 begin_critical_section(S_CONFIG);
4575 config_msgnum = (-1L);
4576 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4577 CtdlGetSysConfigBackend, NULL);
4578 msgnum = config_msgnum;
4579 end_critical_section(S_CONFIG);
4585 msg = CtdlFetchMessage(msgnum, 1);
4587 conf = strdup(msg->cm_fields['M']);
4588 CtdlFreeMessage(msg);
4595 getroom(&CC->room, hold_rm);
4597 if (conf != NULL) do {
4598 extract_token(buf, conf, 0, '\n', sizeof buf);
4599 strcpy(conf, &conf[strlen(buf)+1]);
4600 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
4606 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4607 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
4612 * Determine whether a given Internet address belongs to the current user
4614 int CtdlIsMe(char *addr, int addr_buf_len)
4616 struct recptypes *recp;
4619 recp = validate_recipients(addr, NULL, 0);
4620 if (recp == NULL) return(0);
4622 if (recp->num_local == 0) {
4623 free_recipients(recp);
4627 for (i=0; i<recp->num_local; ++i) {
4628 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4629 if (!strcasecmp(addr, CC->user.fullname)) {
4630 free_recipients(recp);
4635 free_recipients(recp);
4641 * Citadel protocol command to do the same
4643 void cmd_isme(char *argbuf) {
4646 if (CtdlAccessCheck(ac_logged_in)) return;
4647 extract_token(addr, argbuf, 0, '|', sizeof addr);
4649 if (CtdlIsMe(addr, sizeof addr)) {
4650 cprintf("%d %s\n", CIT_OK, addr);
4653 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);