4 * Implements the message store.
14 #if TIME_WITH_SYS_TIME
15 # include <sys/time.h>
19 # include <sys/time.h>
34 #include "serv_extensions.h"
38 #include "sysdep_decls.h"
39 #include "citserver.h"
46 #include "mime_parser.h"
49 #include "internet_addressing.h"
50 #include "serv_fulltext.h"
52 #include "euidindex.h"
53 #include "journaling.h"
54 #include "citadel_dirs.h"
55 #include "serv_network.h"
58 # include "serv_sieve.h"
59 #endif /* HAVE_LIBSIEVE */
62 struct addresses_to_be_filed *atbf = NULL;
64 /* This temp file holds the queue of operations for AdjRefCount() */
65 static FILE *arcfp = NULL;
68 * This really belongs in serv_network.c, but I don't know how to export
69 * symbols between modules.
71 struct FilterList *filterlist = NULL;
75 * These are the four-character field headers we use when outputting
76 * messages in Citadel format (as opposed to RFC822 format).
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,
83 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
84 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
85 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
86 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
114 * This function is self explanatory.
115 * (What can I say, I'm in a weird mood today...)
117 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
121 for (i = 0; i < strlen(name); ++i) {
122 if (name[i] == '@') {
123 while (isspace(name[i - 1]) && i > 0) {
124 strcpy(&name[i - 1], &name[i]);
127 while (isspace(name[i + 1])) {
128 strcpy(&name[i + 1], &name[i + 2]);
136 * Aliasing for network mail.
137 * (Error messages have been commented out, because this is a server.)
139 int alias(char *name)
140 { /* process alias and routing info for mail */
143 char aaa[SIZ], bbb[SIZ];
144 char *ignetcfg = NULL;
145 char *ignetmap = NULL;
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 lprintf(CTDL_INFO, "Mail is being forwarded to %s\n", name);
187 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
188 for (a=0; a<strlen(name); ++a) {
189 if (name[a] == '@') {
190 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
192 lprintf(CTDL_INFO, "Changed to <%s>\n", name);
197 /* determine local or remote type, see citadel.h */
198 at = haschar(name, '@');
199 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
200 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
201 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
203 /* figure out the delivery mode */
204 extract_token(node, name, 1, '@', sizeof node);
206 /* If there are one or more dots in the nodename, we assume that it
207 * is an FQDN and will attempt SMTP delivery to the Internet.
209 if (haschar(node, '.') > 0) {
210 return(MES_INTERNET);
213 /* Otherwise we look in the IGnet maps for a valid Citadel node.
214 * Try directly-connected nodes first...
216 ignetcfg = CtdlGetSysConfig(IGNETCFG);
217 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
218 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
219 extract_token(testnode, buf, 0, '|', sizeof testnode);
220 if (!strcasecmp(node, testnode)) {
228 * Then try nodes that are two or more hops away.
230 ignetmap = CtdlGetSysConfig(IGNETMAP);
231 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
232 extract_token(buf, ignetmap, i, '\n', sizeof buf);
233 extract_token(testnode, buf, 0, '|', sizeof testnode);
234 if (!strcasecmp(node, testnode)) {
241 /* If we get to this point it's an invalid node name */
250 fp = fopen(file_citadel_control, "r");
252 lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
253 file_citadel_control,
257 fread((char *) &CitControl, sizeof(struct CitControl), 1, fp);
263 * Back end for the MSGS command: output message number only.
265 void simple_listing(long msgnum, void *userdata)
267 cprintf("%ld\n", msgnum);
273 * Back end for the MSGS command: output header summary.
275 void headers_listing(long msgnum, void *userdata)
277 struct CtdlMessage *msg;
279 msg = CtdlFetchMessage(msgnum, 0);
281 cprintf("%ld|0|||||\n", msgnum);
285 cprintf("%ld|%s|%s|%s|%s|%s|\n",
287 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
288 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
289 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
290 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
291 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
293 CtdlFreeMessage(msg);
298 /* Determine if a given message matches the fields in a message template.
299 * Return 0 for a successful match.
301 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
304 /* If there aren't any fields in the template, all messages will
307 if (template == NULL) return(0);
309 /* Null messages are bogus. */
310 if (msg == NULL) return(1);
312 for (i='A'; i<='Z'; ++i) {
313 if (template->cm_fields[i] != NULL) {
314 if (msg->cm_fields[i] == NULL) {
317 if (strcasecmp(msg->cm_fields[i],
318 template->cm_fields[i])) return 1;
322 /* All compares succeeded: we have a match! */
329 * Retrieve the "seen" message list for the current room.
331 void CtdlGetSeen(char *buf, int which_set) {
334 /* Learn about the user and room in question */
335 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
337 if (which_set == ctdlsetseen_seen)
338 safestrncpy(buf, vbuf.v_seen, SIZ);
339 if (which_set == ctdlsetseen_answered)
340 safestrncpy(buf, vbuf.v_answered, SIZ);
346 * Manipulate the "seen msgs" string (or other message set strings)
348 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
349 int target_setting, int which_set,
350 struct ctdluser *which_user, struct ctdlroom *which_room) {
351 struct cdbdata *cdbfr;
363 char *is_set; /* actually an array of booleans */
366 char setstr[SIZ], lostr[SIZ], histr[SIZ];
369 /* Don't bother doing *anything* if we were passed a list of zero messages */
370 if (num_target_msgnums < 1) {
374 lprintf(CTDL_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %d, %d)\n",
375 num_target_msgnums, target_msgnums[0],
376 target_setting, which_set);
378 /* Learn about the user and room in question */
379 CtdlGetRelationship(&vbuf,
380 ((which_user != NULL) ? which_user : &CC->user),
381 ((which_room != NULL) ? which_room : &CC->room)
384 /* Load the message list */
385 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
387 msglist = (long *) cdbfr->ptr;
388 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
389 num_msgs = cdbfr->len / sizeof(long);
392 return; /* No messages at all? No further action. */
395 is_set = malloc(num_msgs * sizeof(char));
396 memset(is_set, 0, (num_msgs * sizeof(char)) );
398 /* Decide which message set we're manipulating */
400 case ctdlsetseen_seen:
401 safestrncpy(vset, vbuf.v_seen, sizeof vset);
403 case ctdlsetseen_answered:
404 safestrncpy(vset, vbuf.v_answered, sizeof vset);
408 /* lprintf(CTDL_DEBUG, "before optimize: %s\n", vset); */
410 /* Translate the existing sequence set into an array of booleans */
411 num_sets = num_tokens(vset, ',');
412 for (s=0; s<num_sets; ++s) {
413 extract_token(setstr, vset, s, ',', sizeof setstr);
415 extract_token(lostr, setstr, 0, ':', sizeof lostr);
416 if (num_tokens(setstr, ':') >= 2) {
417 extract_token(histr, setstr, 1, ':', sizeof histr);
418 if (!strcmp(histr, "*")) {
419 snprintf(histr, sizeof histr, "%ld", LONG_MAX);
423 strcpy(histr, lostr);
428 for (i = 0; i < num_msgs; ++i) {
429 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
435 /* Now translate the array of booleans back into a sequence set */
440 for (i=0; i<num_msgs; ++i) {
442 is_seen = is_set[i]; /* Default to existing setting */
444 for (k=0; k<num_target_msgnums; ++k) {
445 if (msglist[i] == target_msgnums[k]) {
446 is_seen = target_setting;
451 if (lo < 0L) lo = msglist[i];
455 if ( ((is_seen == 0) && (was_seen == 1))
456 || ((is_seen == 1) && (i == num_msgs-1)) ) {
458 /* begin trim-o-matic code */
461 while ( (strlen(vset) + 20) > sizeof vset) {
462 remove_token(vset, 0, ',');
464 if (j--) break; /* loop no more than 9 times */
466 if ( (trimming) && (which_set == ctdlsetseen_seen) ) {
470 snprintf(lostr, sizeof lostr,
471 "1:%ld,%s", t, vset);
472 safestrncpy(vset, lostr, sizeof vset);
474 /* end trim-o-matic code */
482 snprintf(&vset[tmp], (sizeof vset) - tmp,
486 snprintf(&vset[tmp], (sizeof vset) - tmp,
495 /* Decide which message set we're manipulating */
497 case ctdlsetseen_seen:
498 safestrncpy(vbuf.v_seen, vset, sizeof vbuf.v_seen);
500 case ctdlsetseen_answered:
501 safestrncpy(vbuf.v_answered, vset,
502 sizeof vbuf.v_answered);
507 /* lprintf(CTDL_DEBUG, " after optimize: %s\n", vset); */
509 CtdlSetRelationship(&vbuf,
510 ((which_user != NULL) ? which_user : &CC->user),
511 ((which_room != NULL) ? which_room : &CC->room)
517 * API function to perform an operation for each qualifying message in the
518 * current room. (Returns the number of messages processed.)
520 int CtdlForEachMessage(int mode, long ref, char *search_string,
522 struct CtdlMessage *compare,
523 void (*CallBack) (long, void *),
529 struct cdbdata *cdbfr;
530 long *msglist = NULL;
532 int num_processed = 0;
535 struct CtdlMessage *msg = NULL;
538 int printed_lastold = 0;
539 int num_search_msgs = 0;
540 long *search_msgs = NULL;
542 /* Learn about the user and room in question */
544 getuser(&CC->user, CC->curr_user);
545 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
547 /* Load the message list */
548 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
550 msglist = (long *) cdbfr->ptr;
551 cdbfr->ptr = NULL; /* CtdlForEachMessage() now owns this memory */
552 num_msgs = cdbfr->len / sizeof(long);
555 return 0; /* No messages at all? No further action. */
560 * Now begin the traversal.
562 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
564 /* If the caller is looking for a specific MIME type, filter
565 * out all messages which are not of the type requested.
567 if (content_type != NULL) if (strlen(content_type) > 0) {
569 /* This call to GetMetaData() sits inside this loop
570 * so that we only do the extra database read per msg
571 * if we need to. Doing the extra read all the time
572 * really kills the server. If we ever need to use
573 * metadata for another search criterion, we need to
574 * move the read somewhere else -- but still be smart
575 * enough to only do the read if the caller has
576 * specified something that will need it.
578 GetMetaData(&smi, msglist[a]);
580 if (strcasecmp(smi.meta_content_type, content_type)) {
586 num_msgs = sort_msglist(msglist, num_msgs);
588 /* If a template was supplied, filter out the messages which
589 * don't match. (This could induce some delays!)
592 if (compare != NULL) {
593 for (a = 0; a < num_msgs; ++a) {
594 msg = CtdlFetchMessage(msglist[a], 1);
596 if (CtdlMsgCmp(msg, compare)) {
599 CtdlFreeMessage(msg);
605 /* If a search string was specified, get a message list from
606 * the full text index and remove messages which aren't on both
610 * Since the lists are sorted and strictly ascending, and the
611 * output list is guaranteed to be shorter than or equal to the
612 * input list, we overwrite the bottom of the input list. This
613 * eliminates the need to memmove big chunks of the list over and
616 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
617 ft_search(&num_search_msgs, &search_msgs, search_string);
618 if (num_search_msgs > 0) {
622 orig_num_msgs = num_msgs;
624 for (i=0; i<orig_num_msgs; ++i) {
625 for (j=0; j<num_search_msgs; ++j) {
626 if (msglist[i] == search_msgs[j]) {
627 msglist[num_msgs++] = msglist[i];
633 num_msgs = 0; /* No messages qualify */
635 if (search_msgs != NULL) free(search_msgs);
637 /* Now that we've purged messages which don't contain the search
638 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
645 * Now iterate through the message list, according to the
646 * criteria supplied by the caller.
649 for (a = 0; a < num_msgs; ++a) {
650 thismsg = msglist[a];
651 if (mode == MSGS_ALL) {
655 is_seen = is_msg_in_sequence_set(
656 vbuf.v_seen, thismsg);
657 if (is_seen) lastold = thismsg;
663 || ((mode == MSGS_OLD) && (is_seen))
664 || ((mode == MSGS_NEW) && (!is_seen))
665 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
666 || ((mode == MSGS_FIRST) && (a < ref))
667 || ((mode == MSGS_GT) && (thismsg > ref))
668 || ((mode == MSGS_EQ) && (thismsg == ref))
671 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
673 CallBack(lastold, userdata);
677 if (CallBack) CallBack(thismsg, userdata);
681 free(msglist); /* Clean up */
682 return num_processed;
688 * cmd_msgs() - get list of message #'s in this room
689 * implements the MSGS server command using CtdlForEachMessage()
691 void cmd_msgs(char *cmdbuf)
700 int with_template = 0;
701 struct CtdlMessage *template = NULL;
702 int with_headers = 0;
703 char search_string[1024];
705 extract_token(which, cmdbuf, 0, '|', sizeof which);
706 cm_ref = extract_int(cmdbuf, 1);
707 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
708 with_template = extract_int(cmdbuf, 2);
709 with_headers = extract_int(cmdbuf, 3);
712 if (!strncasecmp(which, "OLD", 3))
714 else if (!strncasecmp(which, "NEW", 3))
716 else if (!strncasecmp(which, "FIRST", 5))
718 else if (!strncasecmp(which, "LAST", 4))
720 else if (!strncasecmp(which, "GT", 2))
722 else if (!strncasecmp(which, "SEARCH", 6))
727 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
728 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
732 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
733 cprintf("%d Full text index is not enabled on this server.\n",
734 ERROR + CMD_NOT_SUPPORTED);
740 cprintf("%d Send template then receive message list\n",
742 template = (struct CtdlMessage *)
743 malloc(sizeof(struct CtdlMessage));
744 memset(template, 0, sizeof(struct CtdlMessage));
745 while(client_getln(buf, sizeof buf), strcmp(buf,"000")) {
746 extract_token(tfield, buf, 0, '|', sizeof tfield);
747 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
748 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
749 if (!strcasecmp(tfield, msgkeys[i])) {
750 template->cm_fields[i] =
758 cprintf("%d \n", LISTING_FOLLOWS);
761 CtdlForEachMessage(mode,
762 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
763 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
766 (with_headers ? headers_listing : simple_listing),
769 if (template != NULL) CtdlFreeMessage(template);
777 * help_subst() - support routine for help file viewer
779 void help_subst(char *strbuf, char *source, char *dest)
784 while (p = pattern2(strbuf, source), (p >= 0)) {
785 strcpy(workbuf, &strbuf[p + strlen(source)]);
786 strcpy(&strbuf[p], dest);
787 strcat(strbuf, workbuf);
792 void do_help_subst(char *buffer)
796 help_subst(buffer, "^nodename", config.c_nodename);
797 help_subst(buffer, "^humannode", config.c_humannode);
798 help_subst(buffer, "^fqdn", config.c_fqdn);
799 help_subst(buffer, "^username", CC->user.fullname);
800 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
801 help_subst(buffer, "^usernum", buf2);
802 help_subst(buffer, "^sysadm", config.c_sysadm);
803 help_subst(buffer, "^variantname", CITADEL);
804 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
805 help_subst(buffer, "^maxsessions", buf2);
806 help_subst(buffer, "^bbsdir", ctdl_bbsbase_dir);
812 * memfmout() - Citadel text formatter and paginator.
813 * Although the original purpose of this routine was to format
814 * text to the reader's screen width, all we're really using it
815 * for here is to format text out to 80 columns before sending it
816 * to the client. The client software may reformat it again.
819 char *mptr, /* where are we going to get our text from? */
820 char subst, /* nonzero if we should do substitutions */
821 char *nl) /* string to terminate lines with */
829 static int width = 80;
834 c = 1; /* c is the current pos */
838 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
840 buffer[strlen(buffer) + 1] = 0;
841 buffer[strlen(buffer)] = ch;
844 if (buffer[0] == '^')
845 do_help_subst(buffer);
847 buffer[strlen(buffer) + 1] = 0;
849 strcpy(buffer, &buffer[1]);
857 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10)) {
860 if (((old == 13) || (old == 10)) && (isspace(real))) {
865 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
866 cprintf("%s%s", nl, aaa);
875 if ((strlen(aaa) + c) > (width - 5)) {
884 if ((ch == 13) || (ch == 10)) {
885 cprintf("%s%s", aaa, nl);
892 cprintf("%s%s", aaa, nl);
898 * Callback function for mime parser that simply lists the part
900 void list_this_part(char *name, char *filename, char *partnum, char *disp,
901 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
906 ma = (struct ma_info *)cbuserdata;
907 if (ma->is_ma == 0) {
908 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
909 name, filename, partnum, disp, cbtype, (long)length);
914 * Callback function for multipart prefix
916 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
917 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
922 ma = (struct ma_info *)cbuserdata;
923 if (!strcasecmp(cbtype, "multipart/alternative")) {
927 if (ma->is_ma == 0) {
928 cprintf("pref=%s|%s\n", partnum, cbtype);
933 * Callback function for multipart sufffix
935 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
936 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
941 ma = (struct ma_info *)cbuserdata;
942 if (ma->is_ma == 0) {
943 cprintf("suff=%s|%s\n", partnum, cbtype);
945 if (!strcasecmp(cbtype, "multipart/alternative")) {
952 * Callback function for mime parser that opens a section for downloading
954 void mime_download(char *name, char *filename, char *partnum, char *disp,
955 void *content, char *cbtype, char *cbcharset, size_t length,
956 char *encoding, void *cbuserdata)
959 /* Silently go away if there's already a download open... */
960 if (CC->download_fp != NULL)
963 /* ...or if this is not the desired section */
964 if (strcasecmp(CC->download_desired_section, partnum))
967 CC->download_fp = tmpfile();
968 if (CC->download_fp == NULL)
971 fwrite(content, length, 1, CC->download_fp);
972 fflush(CC->download_fp);
973 rewind(CC->download_fp);
975 OpenCmdResult(filename, cbtype);
981 * Callback function for mime parser that outputs a section all at once
983 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
984 void *content, char *cbtype, char *cbcharset, size_t length,
985 char *encoding, void *cbuserdata)
987 int *found_it = (int *)cbuserdata;
989 /* ...or if this is not the desired section */
990 if (strcasecmp(CC->download_desired_section, partnum))
995 cprintf("%d %d\n", BINARY_FOLLOWS, length);
996 client_write(content, length);
1002 * Load a message from disk into memory.
1003 * This is used by CtdlOutputMsg() and other fetch functions.
1005 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1006 * using the CtdlMessageFree() function.
1008 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1010 struct cdbdata *dmsgtext;
1011 struct CtdlMessage *ret = NULL;
1015 cit_uint8_t field_header;
1017 lprintf(CTDL_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1019 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1020 if (dmsgtext == NULL) {
1023 mptr = dmsgtext->ptr;
1024 upper_bound = mptr + dmsgtext->len;
1026 /* Parse the three bytes that begin EVERY message on disk.
1027 * The first is always 0xFF, the on-disk magic number.
1028 * The second is the anonymous/public type byte.
1029 * The third is the format type byte (vari, fixed, or MIME).
1034 "Message %ld appears to be corrupted.\n",
1039 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1040 memset(ret, 0, sizeof(struct CtdlMessage));
1042 ret->cm_magic = CTDLMESSAGE_MAGIC;
1043 ret->cm_anon_type = *mptr++; /* Anon type byte */
1044 ret->cm_format_type = *mptr++; /* Format type byte */
1047 * The rest is zero or more arbitrary fields. Load them in.
1048 * We're done when we encounter either a zero-length field or
1049 * have just processed the 'M' (message text) field.
1052 if (mptr >= upper_bound) {
1055 field_header = *mptr++;
1056 ret->cm_fields[field_header] = strdup(mptr);
1058 while (*mptr++ != 0); /* advance to next field */
1060 } while ((mptr < upper_bound) && (field_header != 'M'));
1064 /* Always make sure there's something in the msg text field. If
1065 * it's NULL, the message text is most likely stored separately,
1066 * so go ahead and fetch that. Failing that, just set a dummy
1067 * body so other code doesn't barf.
1069 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1070 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1071 if (dmsgtext != NULL) {
1072 ret->cm_fields['M'] = strdup(dmsgtext->ptr);
1076 if (ret->cm_fields['M'] == NULL) {
1077 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1080 /* Perform "before read" hooks (aborting if any return nonzero) */
1081 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1082 CtdlFreeMessage(ret);
1091 * Returns 1 if the supplied pointer points to a valid Citadel message.
1092 * If the pointer is NULL or the magic number check fails, returns 0.
1094 int is_valid_message(struct CtdlMessage *msg) {
1097 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1098 lprintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
1106 * 'Destructor' for struct CtdlMessage
1108 void CtdlFreeMessage(struct CtdlMessage *msg)
1112 if (is_valid_message(msg) == 0)
1114 if (msg != NULL) free (msg);
1118 for (i = 0; i < 256; ++i)
1119 if (msg->cm_fields[i] != NULL) {
1120 free(msg->cm_fields[i]);
1123 msg->cm_magic = 0; /* just in case */
1129 * Pre callback function for multipart/alternative
1131 * NOTE: this differs from the standard behavior for a reason. Normally when
1132 * displaying multipart/alternative you want to show the _last_ usable
1133 * format in the message. Here we show the _first_ one, because it's
1134 * usually text/plain. Since this set of functions is designed for text
1135 * output to non-MIME-aware clients, this is the desired behavior.
1138 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1139 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1144 ma = (struct ma_info *)cbuserdata;
1145 lprintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1146 if (!strcasecmp(cbtype, "multipart/alternative")) {
1150 if (!strcasecmp(cbtype, "message/rfc822")) {
1156 * Post callback function for multipart/alternative
1158 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1159 void *content, char *cbtype, char *cbcharset, size_t length,
1160 char *encoding, void *cbuserdata)
1164 ma = (struct ma_info *)cbuserdata;
1165 lprintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1166 if (!strcasecmp(cbtype, "multipart/alternative")) {
1170 if (!strcasecmp(cbtype, "message/rfc822")) {
1176 * Inline callback function for mime parser that wants to display text
1178 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1179 void *content, char *cbtype, char *cbcharset, size_t length,
1180 char *encoding, void *cbuserdata)
1187 ma = (struct ma_info *)cbuserdata;
1190 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1191 partnum, filename, cbtype, (long)length);
1194 * If we're in the middle of a multipart/alternative scope and
1195 * we've already printed another section, skip this one.
1197 if ( (ma->is_ma) && (ma->did_print) ) {
1198 lprintf(CTDL_DEBUG, "Skipping part %s (%s)\n",
1204 if ( (!strcasecmp(cbtype, "text/plain"))
1205 || (strlen(cbtype)==0) ) {
1208 client_write(wptr, length);
1209 if (wptr[length-1] != '\n') {
1216 if (!strcasecmp(cbtype, "text/html")) {
1217 ptr = html_to_ascii(content, length, 80, 0);
1219 client_write(ptr, wlen);
1220 if (ptr[wlen-1] != '\n') {
1227 if (ma->use_fo_hooks) {
1228 if (PerformFixedOutputHooks(cbtype, content, length)) {
1229 /* above function returns nonzero if it handled the part */
1234 if (strncasecmp(cbtype, "multipart/", 10)) {
1235 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1236 partnum, filename, cbtype, (long)length);
1242 * The client is elegant and sophisticated and wants to be choosy about
1243 * MIME content types, so figure out which multipart/alternative part
1244 * we're going to send.
1246 * We use a system of weights. When we find a part that matches one of the
1247 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1248 * and then set ma->chosen_pref to that MIME type's position in our preference
1249 * list. If we then hit another match, we only replace the first match if
1250 * the preference value is lower.
1252 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1253 void *content, char *cbtype, char *cbcharset, size_t length,
1254 char *encoding, void *cbuserdata)
1260 ma = (struct ma_info *)cbuserdata;
1262 if (ma->is_ma > 0) {
1263 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1264 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1265 lprintf(CTDL_DEBUG, "Is <%s> == <%s> ??\n", buf, cbtype);
1266 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1267 if (i < ma->chosen_pref) {
1268 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1269 ma->chosen_pref = i;
1277 * Now that we've chosen our preferred part, output it.
1279 void output_preferred(char *name, char *filename, char *partnum, char *disp,
1280 void *content, char *cbtype, char *cbcharset, size_t length,
1281 char *encoding, void *cbuserdata)
1285 int add_newline = 0;
1289 ma = (struct ma_info *)cbuserdata;
1291 /* This is not the MIME part you're looking for... */
1292 if (strcasecmp(partnum, ma->chosen_part)) return;
1294 /* If the content-type of this part is in our preferred formats
1295 * list, we can simply output it verbatim.
1297 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1298 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1299 if (!strcasecmp(buf, cbtype)) {
1300 /* Yeah! Go! W00t!! */
1302 text_content = (char *)content;
1303 if (text_content[length-1] != '\n') {
1307 cprintf("Content-type: %s", cbtype);
1308 if (strlen(cbcharset) > 0) {
1309 cprintf("; charset=%s", cbcharset);
1311 cprintf("\nContent-length: %d\n",
1312 (int)(length + add_newline) );
1313 if (strlen(encoding) > 0) {
1314 cprintf("Content-transfer-encoding: %s\n", encoding);
1317 cprintf("Content-transfer-encoding: 7bit\n");
1320 client_write(content, length);
1321 if (add_newline) cprintf("\n");
1326 /* No translations required or possible: output as text/plain */
1327 cprintf("Content-type: text/plain\n\n");
1328 fixed_output(name, filename, partnum, disp, content, cbtype, cbcharset,
1329 length, encoding, cbuserdata);
1334 char desired_section[64];
1341 * Callback function for
1343 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1344 void *content, char *cbtype, char *cbcharset, size_t length,
1345 char *encoding, void *cbuserdata)
1347 struct encapmsg *encap;
1349 encap = (struct encapmsg *)cbuserdata;
1351 /* Only proceed if this is the desired section... */
1352 if (!strcasecmp(encap->desired_section, partnum)) {
1353 encap->msglen = length;
1354 encap->msg = malloc(length + 2);
1355 memcpy(encap->msg, content, length);
1365 * Get a message off disk. (returns om_* values found in msgbase.h)
1368 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1369 int mode, /* how would you like that message? */
1370 int headers_only, /* eschew the message body? */
1371 int do_proto, /* do Citadel protocol responses? */
1372 int crlf, /* Use CRLF newlines instead of LF? */
1373 char *section /* NULL or a message/rfc822 section */
1375 struct CtdlMessage *TheMessage = NULL;
1376 int retcode = om_no_such_msg;
1377 struct encapmsg encap;
1379 lprintf(CTDL_DEBUG, "CtdlOutputMsg() msgnum=%ld, mode=%d, section=%s\n",
1381 (section ? section : "<>")
1384 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1385 if (do_proto) cprintf("%d Not logged in.\n",
1386 ERROR + NOT_LOGGED_IN);
1387 return(om_not_logged_in);
1390 /* FIXME: check message id against msglist for this room */
1393 * Fetch the message from disk. If we're in any sort of headers
1394 * only mode, request that we don't even bother loading the body
1397 if ( (headers_only == HEADERS_FAST) || (headers_only == HEADERS_ONLY) ) {
1398 TheMessage = CtdlFetchMessage(msg_num, 0);
1401 TheMessage = CtdlFetchMessage(msg_num, 1);
1404 if (TheMessage == NULL) {
1405 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1406 ERROR + MESSAGE_NOT_FOUND, msg_num);
1407 return(om_no_such_msg);
1410 /* Here is the weird form of this command, to process only an
1411 * encapsulated message/rfc822 section.
1413 if (section) if (strlen(section)>0) if (strcmp(section, "0")) {
1414 memset(&encap, 0, sizeof encap);
1415 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1416 mime_parser(TheMessage->cm_fields['M'],
1418 *extract_encapsulated_message,
1419 NULL, NULL, (void *)&encap, 0
1421 CtdlFreeMessage(TheMessage);
1425 encap.msg[encap.msglen] = 0;
1426 TheMessage = convert_internet_message(encap.msg);
1427 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1429 /* Now we let it fall through to the bottom of this
1430 * function, because TheMessage now contains the
1431 * encapsulated message instead of the top-level
1432 * message. Isn't that neat?
1437 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1438 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1439 retcode = om_no_such_msg;
1444 /* Ok, output the message now */
1445 retcode = CtdlOutputPreLoadedMsg(
1447 headers_only, do_proto, crlf);
1448 CtdlFreeMessage(TheMessage);
1455 * Get a message off disk. (returns om_* values found in msgbase.h)
1458 int CtdlOutputPreLoadedMsg(
1459 struct CtdlMessage *TheMessage,
1460 int mode, /* how would you like that message? */
1461 int headers_only, /* eschew the message body? */
1462 int do_proto, /* do Citadel protocol responses? */
1463 int crlf /* Use CRLF newlines instead of LF? */
1469 char display_name[256];
1471 char *nl; /* newline string */
1473 int subject_found = 0;
1476 /* Buffers needed for RFC822 translation. These are all filled
1477 * using functions that are bounds-checked, and therefore we can
1478 * make them substantially smaller than SIZ.
1486 char datestamp[100];
1488 lprintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
1489 ((TheMessage == NULL) ? "NULL" : "not null"),
1490 mode, headers_only, do_proto, crlf);
1492 strcpy(mid, "unknown");
1493 nl = (crlf ? "\r\n" : "\n");
1495 if (!is_valid_message(TheMessage)) {
1497 "ERROR: invalid preloaded message for output\n");
1498 return(om_no_such_msg);
1501 /* Are we downloading a MIME component? */
1502 if (mode == MT_DOWNLOAD) {
1503 if (TheMessage->cm_format_type != FMT_RFC822) {
1505 cprintf("%d This is not a MIME message.\n",
1506 ERROR + ILLEGAL_VALUE);
1507 } else if (CC->download_fp != NULL) {
1508 if (do_proto) cprintf(
1509 "%d You already have a download open.\n",
1510 ERROR + RESOURCE_BUSY);
1512 /* Parse the message text component */
1513 mptr = TheMessage->cm_fields['M'];
1514 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
1515 /* If there's no file open by this time, the requested
1516 * section wasn't found, so print an error
1518 if (CC->download_fp == NULL) {
1519 if (do_proto) cprintf(
1520 "%d Section %s not found.\n",
1521 ERROR + FILE_NOT_FOUND,
1522 CC->download_desired_section);
1525 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1528 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
1529 * in a single server operation instead of opening a download file.
1531 if (mode == MT_SPEW_SECTION) {
1532 if (TheMessage->cm_format_type != FMT_RFC822) {
1534 cprintf("%d This is not a MIME message.\n",
1535 ERROR + ILLEGAL_VALUE);
1537 /* Parse the message text component */
1540 mptr = TheMessage->cm_fields['M'];
1541 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
1542 /* If section wasn't found, print an error
1545 if (do_proto) cprintf(
1546 "%d Section %s not found.\n",
1547 ERROR + FILE_NOT_FOUND,
1548 CC->download_desired_section);
1551 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1554 /* now for the user-mode message reading loops */
1555 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
1557 /* Does the caller want to skip the headers? */
1558 if (headers_only == HEADERS_NONE) goto START_TEXT;
1560 /* Tell the client which format type we're using. */
1561 if ( (mode == MT_CITADEL) && (do_proto) ) {
1562 cprintf("type=%d\n", TheMessage->cm_format_type);
1565 /* nhdr=yes means that we're only displaying headers, no body */
1566 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1567 && (mode == MT_CITADEL)
1570 cprintf("nhdr=yes\n");
1573 /* begin header processing loop for Citadel message format */
1575 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1577 safestrncpy(display_name, "<unknown>", sizeof display_name);
1578 if (TheMessage->cm_fields['A']) {
1579 strcpy(buf, TheMessage->cm_fields['A']);
1580 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1581 safestrncpy(display_name, "****", sizeof display_name);
1583 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1584 safestrncpy(display_name, "anonymous", sizeof display_name);
1587 safestrncpy(display_name, buf, sizeof display_name);
1589 if ((is_room_aide())
1590 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1591 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1592 size_t tmp = strlen(display_name);
1593 snprintf(&display_name[tmp],
1594 sizeof display_name - tmp,
1599 /* Don't show Internet address for users on the
1600 * local Citadel network.
1603 if (TheMessage->cm_fields['N'] != NULL)
1604 if (strlen(TheMessage->cm_fields['N']) > 0)
1605 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1609 /* Now spew the header fields in the order we like them. */
1610 safestrncpy(allkeys, FORDER, sizeof allkeys);
1611 for (i=0; i<strlen(allkeys); ++i) {
1612 k = (int) allkeys[i];
1614 if ( (TheMessage->cm_fields[k] != NULL)
1615 && (msgkeys[k] != NULL) ) {
1617 if (do_proto) cprintf("%s=%s\n",
1621 else if ((k == 'F') && (suppress_f)) {
1624 /* Masquerade display name if needed */
1626 if (do_proto) cprintf("%s=%s\n",
1628 TheMessage->cm_fields[k]
1637 /* begin header processing loop for RFC822 transfer format */
1642 strcpy(snode, NODENAME);
1643 strcpy(lnode, HUMANNODE);
1644 if (mode == MT_RFC822) {
1645 for (i = 0; i < 256; ++i) {
1646 if (TheMessage->cm_fields[i]) {
1647 mptr = TheMessage->cm_fields[i];
1650 safestrncpy(luser, mptr, sizeof luser);
1651 safestrncpy(suser, mptr, sizeof suser);
1653 else if (i == 'Y') {
1654 cprintf("CC: %s%s", mptr, nl);
1656 else if (i == 'P') {
1657 cprintf("Return-Path: %s%s", mptr, nl);
1659 else if (i == 'V') {
1660 cprintf("Envelope-To: %s%s", mptr, nl);
1662 else if (i == 'U') {
1663 cprintf("Subject: %s%s", mptr, nl);
1667 safestrncpy(mid, mptr, sizeof mid);
1669 safestrncpy(lnode, mptr, sizeof lnode);
1671 safestrncpy(fuser, mptr, sizeof fuser);
1672 /* else if (i == 'O')
1673 cprintf("X-Citadel-Room: %s%s",
1676 safestrncpy(snode, mptr, sizeof snode);
1678 cprintf("To: %s%s", mptr, nl);
1679 else if (i == 'T') {
1680 datestring(datestamp, sizeof datestamp,
1681 atol(mptr), DATESTRING_RFC822);
1682 cprintf("Date: %s%s", datestamp, nl);
1686 if (subject_found == 0) {
1687 cprintf("Subject: (no subject)%s", nl);
1691 for (i=0; i<strlen(suser); ++i) {
1692 suser[i] = tolower(suser[i]);
1693 if (!isalnum(suser[i])) suser[i]='_';
1696 if (mode == MT_RFC822) {
1697 if (!strcasecmp(snode, NODENAME)) {
1698 safestrncpy(snode, FQDN, sizeof snode);
1701 /* Construct a fun message id */
1702 cprintf("Message-ID: <%s", mid);
1703 if (strchr(mid, '@')==NULL) {
1704 cprintf("@%s", snode);
1708 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
1709 cprintf("From: \"----\" <x@x.org>%s", nl);
1711 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
1712 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
1714 else if (strlen(fuser) > 0) {
1715 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
1718 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
1721 cprintf("Organization: %s%s", lnode, nl);
1723 /* Blank line signifying RFC822 end-of-headers */
1724 if (TheMessage->cm_format_type != FMT_RFC822) {
1729 /* end header processing loop ... at this point, we're in the text */
1731 if (headers_only == HEADERS_FAST) goto DONE;
1732 mptr = TheMessage->cm_fields['M'];
1734 /* Tell the client about the MIME parts in this message */
1735 if (TheMessage->cm_format_type == FMT_RFC822) {
1736 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1737 memset(&ma, 0, sizeof(struct ma_info));
1738 mime_parser(mptr, NULL,
1739 (do_proto ? *list_this_part : NULL),
1740 (do_proto ? *list_this_pref : NULL),
1741 (do_proto ? *list_this_suff : NULL),
1744 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1745 char *start_of_text = NULL;
1746 start_of_text = strstr(mptr, "\n\r\n");
1747 if (start_of_text == NULL) start_of_text = strstr(mptr, "\n\n");
1748 if (start_of_text == NULL) start_of_text = mptr;
1750 start_of_text = strstr(start_of_text, "\n");
1755 int nllen = strlen(nl);
1756 while (ch=*mptr, ch!=0) {
1762 ((headers_only == HEADERS_NONE) && (mptr >= start_of_text))
1763 || ((headers_only == HEADERS_ONLY) && (mptr < start_of_text))
1764 || ((headers_only != HEADERS_NONE) && (headers_only != HEADERS_ONLY))
1767 sprintf(&outbuf[outlen], "%s", nl);
1771 outbuf[outlen++] = ch;
1776 if (outlen > 1000) {
1777 client_write(outbuf, outlen);
1782 client_write(outbuf, outlen);
1790 if (headers_only == HEADERS_ONLY) {
1794 /* signify start of msg text */
1795 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1796 if (do_proto) cprintf("text\n");
1799 /* If the format type on disk is 1 (fixed-format), then we want
1800 * everything to be output completely literally ... regardless of
1801 * what message transfer format is in use.
1803 if (TheMessage->cm_format_type == FMT_FIXED) {
1804 if (mode == MT_MIME) {
1805 cprintf("Content-type: text/plain\n\n");
1808 while (ch = *mptr++, ch > 0) {
1811 if ((ch == 10) || (strlen(buf) > 250)) {
1812 cprintf("%s%s", buf, nl);
1815 buf[strlen(buf) + 1] = 0;
1816 buf[strlen(buf)] = ch;
1819 if (strlen(buf) > 0)
1820 cprintf("%s%s", buf, nl);
1823 /* If the message on disk is format 0 (Citadel vari-format), we
1824 * output using the formatter at 80 columns. This is the final output
1825 * form if the transfer format is RFC822, but if the transfer format
1826 * is Citadel proprietary, it'll still work, because the indentation
1827 * for new paragraphs is correct and the client will reformat the
1828 * message to the reader's screen width.
1830 if (TheMessage->cm_format_type == FMT_CITADEL) {
1831 if (mode == MT_MIME) {
1832 cprintf("Content-type: text/x-citadel-variformat\n\n");
1834 memfmout(mptr, 0, nl);
1837 /* If the message on disk is format 4 (MIME), we've gotta hand it
1838 * off to the MIME parser. The client has already been told that
1839 * this message is format 1 (fixed format), so the callback function
1840 * we use will display those parts as-is.
1842 if (TheMessage->cm_format_type == FMT_RFC822) {
1843 memset(&ma, 0, sizeof(struct ma_info));
1845 if (mode == MT_MIME) {
1846 ma.use_fo_hooks = 0;
1847 strcpy(ma.chosen_part, "1");
1848 ma.chosen_pref = 9999;
1849 mime_parser(mptr, NULL,
1850 *choose_preferred, *fixed_output_pre,
1851 *fixed_output_post, (void *)&ma, 0);
1852 mime_parser(mptr, NULL,
1853 *output_preferred, NULL, NULL, (void *)&ma, 0);
1856 ma.use_fo_hooks = 1;
1857 mime_parser(mptr, NULL,
1858 *fixed_output, *fixed_output_pre,
1859 *fixed_output_post, (void *)&ma, 0);
1864 DONE: /* now we're done */
1865 if (do_proto) cprintf("000\n");
1872 * display a message (mode 0 - Citadel proprietary)
1874 void cmd_msg0(char *cmdbuf)
1877 int headers_only = HEADERS_ALL;
1879 msgid = extract_long(cmdbuf, 0);
1880 headers_only = extract_int(cmdbuf, 1);
1882 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL);
1888 * display a message (mode 2 - RFC822)
1890 void cmd_msg2(char *cmdbuf)
1893 int headers_only = HEADERS_ALL;
1895 msgid = extract_long(cmdbuf, 0);
1896 headers_only = extract_int(cmdbuf, 1);
1898 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL);
1904 * display a message (mode 3 - IGnet raw format - internal programs only)
1906 void cmd_msg3(char *cmdbuf)
1909 struct CtdlMessage *msg = NULL;
1912 if (CC->internal_pgm == 0) {
1913 cprintf("%d This command is for internal programs only.\n",
1914 ERROR + HIGHER_ACCESS_REQUIRED);
1918 msgnum = extract_long(cmdbuf, 0);
1919 msg = CtdlFetchMessage(msgnum, 1);
1921 cprintf("%d Message %ld not found.\n",
1922 ERROR + MESSAGE_NOT_FOUND, msgnum);
1926 serialize_message(&smr, msg);
1927 CtdlFreeMessage(msg);
1930 cprintf("%d Unable to serialize message\n",
1931 ERROR + INTERNAL_ERROR);
1935 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1936 client_write((char *)smr.ser, (int)smr.len);
1943 * Display a message using MIME content types
1945 void cmd_msg4(char *cmdbuf)
1950 msgid = extract_long(cmdbuf, 0);
1951 extract_token(section, cmdbuf, 1, '|', sizeof section);
1952 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) );
1958 * Client tells us its preferred message format(s)
1960 void cmd_msgp(char *cmdbuf)
1962 safestrncpy(CC->preferred_formats, cmdbuf,
1963 sizeof(CC->preferred_formats));
1964 cprintf("%d ok\n", CIT_OK);
1969 * Open a component of a MIME message as a download file
1971 void cmd_opna(char *cmdbuf)
1974 char desired_section[128];
1976 msgid = extract_long(cmdbuf, 0);
1977 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
1978 safestrncpy(CC->download_desired_section, desired_section,
1979 sizeof CC->download_desired_section);
1980 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL);
1985 * Open a component of a MIME message and transmit it all at once
1987 void cmd_dlat(char *cmdbuf)
1990 char desired_section[128];
1992 msgid = extract_long(cmdbuf, 0);
1993 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
1994 safestrncpy(CC->download_desired_section, desired_section,
1995 sizeof CC->download_desired_section);
1996 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL);
2001 * Save one or more message pointers into a specified room
2002 * (Returns 0 for success, nonzero for failure)
2003 * roomname may be NULL to use the current room
2005 * Note that the 'supplied_msg' field may be set to NULL, in which case
2006 * the message will be fetched from disk, by number, if we need to perform
2007 * replication checks. This adds an additional database read, so if the
2008 * caller already has the message in memory then it should be supplied. (Obviously
2009 * this mode of operation only works if we're saving a single message.)
2011 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2012 int do_repl_check, struct CtdlMessage *supplied_msg)
2015 char hold_rm[ROOMNAMELEN];
2016 struct cdbdata *cdbfr;
2019 long highest_msg = 0L;
2022 struct CtdlMessage *msg = NULL;
2024 long *msgs_to_be_merged = NULL;
2025 int num_msgs_to_be_merged = 0;
2028 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d)\n",
2029 roomname, num_newmsgs, do_repl_check);
2031 strcpy(hold_rm, CC->room.QRname);
2034 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2035 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2036 if (num_newmsgs > 1) supplied_msg = NULL;
2038 /* Now the regular stuff */
2039 if (lgetroom(&CC->room,
2040 ((roomname != NULL) ? roomname : CC->room.QRname) )
2042 lprintf(CTDL_ERR, "No such room <%s>\n", roomname);
2043 return(ERROR + ROOM_NOT_FOUND);
2047 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2048 num_msgs_to_be_merged = 0;
2051 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2052 if (cdbfr == NULL) {
2056 msglist = (long *) cdbfr->ptr;
2057 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2058 num_msgs = cdbfr->len / sizeof(long);
2063 /* Create a list of msgid's which were supplied by the caller, but do
2064 * not already exist in the target room. It is absolutely taboo to
2065 * have more than one reference to the same message in a room.
2067 for (i=0; i<num_newmsgs; ++i) {
2069 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2070 if (msglist[j] == newmsgidlist[i]) {
2075 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2079 lprintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2082 * Now merge the new messages
2084 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2085 if (msglist == NULL) {
2086 lprintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2088 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2089 num_msgs += num_msgs_to_be_merged;
2091 /* Sort the message list, so all the msgid's are in order */
2092 num_msgs = sort_msglist(msglist, num_msgs);
2094 /* Determine the highest message number */
2095 highest_msg = msglist[num_msgs - 1];
2097 /* Write it back to disk. */
2098 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2099 msglist, (int)(num_msgs * sizeof(long)));
2101 /* Free up the memory we used. */
2104 /* Update the highest-message pointer and unlock the room. */
2105 CC->room.QRhighest = highest_msg;
2106 lputroom(&CC->room);
2108 /* Perform replication checks if necessary */
2109 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2110 lprintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2112 for (i=0; i<num_msgs_to_be_merged; ++i) {
2113 msgid = msgs_to_be_merged[i];
2115 if (supplied_msg != NULL) {
2119 msg = CtdlFetchMessage(msgid, 0);
2123 ReplicationChecks(msg);
2125 /* If the message has an Exclusive ID, index that... */
2126 if (msg->cm_fields['E'] != NULL) {
2127 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2130 /* Free up the memory we may have allocated */
2131 if (msg != supplied_msg) {
2132 CtdlFreeMessage(msg);
2140 lprintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2143 /* Submit this room for net processing */
2144 network_queue_room(&CC->room, NULL);
2146 #ifdef HAVE_LIBSIEVE
2147 /* If this is someone's inbox, submit the room for sieve processing */
2148 if (!strcasecmp(&CC->room.QRname[11], MAILROOM)) {
2149 sieve_queue_room(&CC->room);
2151 #endif /* HAVE_LIBSIEVE */
2153 /* Go back to the room we were in before we wandered here... */
2154 getroom(&CC->room, hold_rm);
2156 /* Bump the reference count for all messages which were merged */
2157 for (i=0; i<num_msgs_to_be_merged; ++i) {
2158 AdjRefCount(msgs_to_be_merged[i], +1);
2161 /* Free up memory... */
2162 if (msgs_to_be_merged != NULL) {
2163 free(msgs_to_be_merged);
2166 /* Return success. */
2172 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2175 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2176 int do_repl_check, struct CtdlMessage *supplied_msg)
2178 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg);
2185 * Message base operation to save a new message to the message store
2186 * (returns new message number)
2188 * This is the back end for CtdlSubmitMsg() and should not be directly
2189 * called by server-side modules.
2192 long send_message(struct CtdlMessage *msg) {
2200 /* Get a new message number */
2201 newmsgid = get_new_message_number();
2202 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2204 /* Generate an ID if we don't have one already */
2205 if (msg->cm_fields['I']==NULL) {
2206 msg->cm_fields['I'] = strdup(msgidbuf);
2209 /* If the message is big, set its body aside for storage elsewhere */
2210 if (msg->cm_fields['M'] != NULL) {
2211 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2213 holdM = msg->cm_fields['M'];
2214 msg->cm_fields['M'] = NULL;
2218 /* Serialize our data structure for storage in the database */
2219 serialize_message(&smr, msg);
2222 msg->cm_fields['M'] = holdM;
2226 cprintf("%d Unable to serialize message\n",
2227 ERROR + INTERNAL_ERROR);
2231 /* Write our little bundle of joy into the message base */
2232 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2233 smr.ser, smr.len) < 0) {
2234 lprintf(CTDL_ERR, "Can't store message\n");
2238 cdb_store(CDB_BIGMSGS,
2248 /* Free the memory we used for the serialized message */
2251 /* Return the *local* message ID to the caller
2252 * (even if we're storing an incoming network message)
2260 * Serialize a struct CtdlMessage into the format used on disk and network.
2262 * This function loads up a "struct ser_ret" (defined in server.h) which
2263 * contains the length of the serialized message and a pointer to the
2264 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2266 void serialize_message(struct ser_ret *ret, /* return values */
2267 struct CtdlMessage *msg) /* unserialized msg */
2269 size_t wlen, fieldlen;
2271 static char *forder = FORDER;
2274 * Check for valid message format
2276 if (is_valid_message(msg) == 0) {
2277 lprintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2284 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2285 ret->len = ret->len +
2286 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2288 ret->ser = malloc(ret->len);
2289 if (ret->ser == NULL) {
2290 lprintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2291 (long)ret->len, strerror(errno));
2298 ret->ser[1] = msg->cm_anon_type;
2299 ret->ser[2] = msg->cm_format_type;
2302 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2303 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2304 ret->ser[wlen++] = (char)forder[i];
2305 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2306 wlen = wlen + fieldlen + 1;
2308 if (ret->len != wlen) lprintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2309 (long)ret->len, (long)wlen);
2317 * Check to see if any messages already exist in the current room which
2318 * carry the same Exclusive ID as this one. If any are found, delete them.
2320 void ReplicationChecks(struct CtdlMessage *msg) {
2321 long old_msgnum = (-1L);
2323 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2325 lprintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2328 /* No exclusive id? Don't do anything. */
2329 if (msg == NULL) return;
2330 if (msg->cm_fields['E'] == NULL) return;
2331 if (strlen(msg->cm_fields['E']) == 0) return;
2332 /*lprintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2333 msg->cm_fields['E'], CC->room.QRname);*/
2335 old_msgnum = locate_message_by_euid(msg->cm_fields['E'], &CC->room);
2336 if (old_msgnum > 0L) {
2337 lprintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2338 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2345 * Save a message to disk and submit it into the delivery system.
2347 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2348 struct recptypes *recps, /* recipients (if mail) */
2349 char *force /* force a particular room? */
2351 char submit_filename[128];
2352 char generated_timestamp[32];
2353 char hold_rm[ROOMNAMELEN];
2354 char actual_rm[ROOMNAMELEN];
2355 char force_room[ROOMNAMELEN];
2356 char content_type[SIZ]; /* We have to learn this */
2357 char recipient[SIZ];
2360 struct ctdluser userbuf;
2362 struct MetaData smi;
2363 FILE *network_fp = NULL;
2364 static int seqnum = 1;
2365 struct CtdlMessage *imsg = NULL;
2368 char *hold_R, *hold_D;
2369 char *collected_addresses = NULL;
2370 struct addresses_to_be_filed *aptr = NULL;
2371 char *saved_rfc822_version = NULL;
2372 int qualified_for_journaling = 0;
2374 lprintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2375 if (is_valid_message(msg) == 0) return(-1); /* self check */
2377 /* If this message has no timestamp, we take the liberty of
2378 * giving it one, right now.
2380 if (msg->cm_fields['T'] == NULL) {
2381 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2382 msg->cm_fields['T'] = strdup(generated_timestamp);
2385 /* If this message has no path, we generate one.
2387 if (msg->cm_fields['P'] == NULL) {
2388 if (msg->cm_fields['A'] != NULL) {
2389 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2390 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
2391 if (isspace(msg->cm_fields['P'][a])) {
2392 msg->cm_fields['P'][a] = ' ';
2397 msg->cm_fields['P'] = strdup("unknown");
2401 if (force == NULL) {
2402 strcpy(force_room, "");
2405 strcpy(force_room, force);
2408 /* Learn about what's inside, because it's what's inside that counts */
2409 if (msg->cm_fields['M'] == NULL) {
2410 lprintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2414 switch (msg->cm_format_type) {
2416 strcpy(content_type, "text/x-citadel-variformat");
2419 strcpy(content_type, "text/plain");
2422 strcpy(content_type, "text/plain");
2423 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type: ");
2425 safestrncpy(content_type, &mptr[14],
2426 sizeof content_type);
2427 for (a = 0; a < strlen(content_type); ++a) {
2428 if ((content_type[a] == ';')
2429 || (content_type[a] == ' ')
2430 || (content_type[a] == 13)
2431 || (content_type[a] == 10)) {
2432 content_type[a] = 0;
2438 /* Goto the correct room */
2439 lprintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CC->room.QRname : SENTITEMS);
2440 strcpy(hold_rm, CC->room.QRname);
2441 strcpy(actual_rm, CC->room.QRname);
2442 if (recps != NULL) {
2443 strcpy(actual_rm, SENTITEMS);
2446 /* If the user is a twit, move to the twit room for posting */
2448 if (CC->user.axlevel == 2) {
2449 strcpy(hold_rm, actual_rm);
2450 strcpy(actual_rm, config.c_twitroom);
2451 lprintf(CTDL_DEBUG, "Diverting to twit room\n");
2455 /* ...or if this message is destined for Aide> then go there. */
2456 if (strlen(force_room) > 0) {
2457 strcpy(actual_rm, force_room);
2460 lprintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2461 if (strcasecmp(actual_rm, CC->room.QRname)) {
2462 /* getroom(&CC->room, actual_rm); */
2463 usergoto(actual_rm, 0, 1, NULL, NULL);
2467 * If this message has no O (room) field, generate one.
2469 if (msg->cm_fields['O'] == NULL) {
2470 msg->cm_fields['O'] = strdup(CC->room.QRname);
2473 /* Perform "before save" hooks (aborting if any return nonzero) */
2474 lprintf(CTDL_DEBUG, "Performing before-save hooks\n");
2475 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2478 * If this message has an Exclusive ID, and the room is replication
2479 * checking enabled, then do replication checks.
2481 if (DoesThisRoomNeedEuidIndexing(&CC->room)) {
2482 ReplicationChecks(msg);
2485 /* Save it to disk */
2486 lprintf(CTDL_DEBUG, "Saving to disk\n");
2487 newmsgid = send_message(msg);
2488 if (newmsgid <= 0L) return(-5);
2490 /* Write a supplemental message info record. This doesn't have to
2491 * be a critical section because nobody else knows about this message
2494 lprintf(CTDL_DEBUG, "Creating MetaData record\n");
2495 memset(&smi, 0, sizeof(struct MetaData));
2496 smi.meta_msgnum = newmsgid;
2497 smi.meta_refcount = 0;
2498 safestrncpy(smi.meta_content_type, content_type,
2499 sizeof smi.meta_content_type);
2502 * Measure how big this message will be when rendered as RFC822.
2503 * We do this for two reasons:
2504 * 1. We need the RFC822 length for the new metadata record, so the
2505 * POP and IMAP services don't have to calculate message lengths
2506 * while the user is waiting (multiplied by potentially hundreds
2507 * or thousands of messages).
2508 * 2. If journaling is enabled, we will need an RFC822 version of the
2509 * message to attach to the journalized copy.
2511 if (CC->redirect_buffer != NULL) {
2512 lprintf(CTDL_ALERT, "CC->redirect_buffer is not NULL during message submission!\n");
2515 CC->redirect_buffer = malloc(SIZ);
2516 CC->redirect_len = 0;
2517 CC->redirect_alloc = SIZ;
2518 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1);
2519 smi.meta_rfc822_length = CC->redirect_len;
2520 saved_rfc822_version = CC->redirect_buffer;
2521 CC->redirect_buffer = NULL;
2522 CC->redirect_len = 0;
2523 CC->redirect_alloc = 0;
2527 /* Now figure out where to store the pointers */
2528 lprintf(CTDL_DEBUG, "Storing pointers\n");
2530 /* If this is being done by the networker delivering a private
2531 * message, we want to BYPASS saving the sender's copy (because there
2532 * is no local sender; it would otherwise go to the Trashcan).
2534 if ((!CC->internal_pgm) || (recps == NULL)) {
2535 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2536 lprintf(CTDL_ERR, "ERROR saving message pointer!\n");
2537 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2541 /* For internet mail, drop a copy in the outbound queue room */
2543 if (recps->num_internet > 0) {
2544 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2547 /* If other rooms are specified, drop them there too. */
2549 if (recps->num_room > 0)
2550 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2551 extract_token(recipient, recps->recp_room, i,
2552 '|', sizeof recipient);
2553 lprintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2554 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2557 /* Bump this user's messages posted counter. */
2558 lprintf(CTDL_DEBUG, "Updating user\n");
2559 lgetuser(&CC->user, CC->curr_user);
2560 CC->user.posted = CC->user.posted + 1;
2561 lputuser(&CC->user);
2563 /* If this is private, local mail, make a copy in the
2564 * recipient's mailbox and bump the reference count.
2567 if (recps->num_local > 0)
2568 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2569 extract_token(recipient, recps->recp_local, i,
2570 '|', sizeof recipient);
2571 lprintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2573 if (getuser(&userbuf, recipient) == 0) {
2574 // Add a flag so the Funambol module knows its mail
2575 msg->cm_fields['W'] = strdup(recipient);
2576 MailboxName(actual_rm, sizeof actual_rm,
2577 &userbuf, MAILROOM);
2578 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2579 BumpNewMailCounter(userbuf.usernum);
2582 lprintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2583 CtdlSaveMsgPointerInRoom(config.c_aideroom,
2588 /* Perform "after save" hooks */
2589 lprintf(CTDL_DEBUG, "Performing after-save hooks\n");
2590 PerformMessageHooks(msg, EVT_AFTERSAVE);
2592 /* For IGnet mail, we have to save a new copy into the spooler for
2593 * each recipient, with the R and D fields set to the recipient and
2594 * destination-node. This has two ugly side effects: all other
2595 * recipients end up being unlisted in this recipient's copy of the
2596 * message, and it has to deliver multiple messages to the same
2597 * node. We'll revisit this again in a year or so when everyone has
2598 * a network spool receiver that can handle the new style messages.
2601 if (recps->num_ignet > 0)
2602 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2603 extract_token(recipient, recps->recp_ignet, i,
2604 '|', sizeof recipient);
2606 hold_R = msg->cm_fields['R'];
2607 hold_D = msg->cm_fields['D'];
2608 msg->cm_fields['R'] = malloc(SIZ);
2609 msg->cm_fields['D'] = malloc(128);
2610 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
2611 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
2613 serialize_message(&smr, msg);
2615 snprintf(submit_filename, sizeof submit_filename,
2616 "%s/netmail.%04lx.%04x.%04x",
2618 (long) getpid(), CC->cs_pid, ++seqnum);
2619 network_fp = fopen(submit_filename, "wb+");
2620 if (network_fp != NULL) {
2621 fwrite(smr.ser, smr.len, 1, network_fp);
2627 free(msg->cm_fields['R']);
2628 free(msg->cm_fields['D']);
2629 msg->cm_fields['R'] = hold_R;
2630 msg->cm_fields['D'] = hold_D;
2633 /* Go back to the room we started from */
2634 lprintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2635 if (strcasecmp(hold_rm, CC->room.QRname))
2636 /* getroom(&CC->room, hold_rm); */
2637 usergoto(hold_rm, 0, 1, NULL, NULL);
2639 /* For internet mail, generate delivery instructions.
2640 * Yes, this is recursive. Deal with it. Infinite recursion does
2641 * not happen because the delivery instructions message does not
2642 * contain a recipient.
2645 if (recps->num_internet > 0) {
2646 lprintf(CTDL_DEBUG, "Generating delivery instructions\n");
2647 instr = malloc(SIZ * 2);
2648 snprintf(instr, SIZ * 2,
2649 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2651 SPOOLMIME, newmsgid, (long)time(NULL),
2652 msg->cm_fields['A'], msg->cm_fields['N']
2655 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2656 size_t tmp = strlen(instr);
2657 extract_token(recipient, recps->recp_internet,
2658 i, '|', sizeof recipient);
2659 snprintf(&instr[tmp], SIZ * 2 - tmp,
2660 "remote|%s|0||\n", recipient);
2663 imsg = malloc(sizeof(struct CtdlMessage));
2664 memset(imsg, 0, sizeof(struct CtdlMessage));
2665 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2666 imsg->cm_anon_type = MES_NORMAL;
2667 imsg->cm_format_type = FMT_RFC822;
2668 imsg->cm_fields['A'] = strdup("Citadel");
2669 imsg->cm_fields['J'] = strdup("do not journal");
2670 imsg->cm_fields['M'] = instr;
2671 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2672 CtdlFreeMessage(imsg);
2676 * Any addresses to harvest for someone's address book?
2678 if ( (CC->logged_in) && (recps != NULL) ) {
2679 collected_addresses = harvest_collected_addresses(msg);
2682 if (collected_addresses != NULL) {
2683 begin_critical_section(S_ATBF);
2684 aptr = (struct addresses_to_be_filed *)
2685 malloc(sizeof(struct addresses_to_be_filed));
2687 MailboxName(actual_rm, sizeof actual_rm,
2688 &CC->user, USERCONTACTSROOM);
2689 aptr->roomname = strdup(actual_rm);
2690 aptr->collected_addresses = collected_addresses;
2692 end_critical_section(S_ATBF);
2696 * Determine whether this message qualifies for journaling.
2698 if (msg->cm_fields['J'] != NULL) {
2699 qualified_for_journaling = 0;
2702 if (recps == NULL) {
2703 qualified_for_journaling = config.c_journal_pubmsgs;
2705 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
2706 qualified_for_journaling = config.c_journal_email;
2709 qualified_for_journaling = config.c_journal_pubmsgs;
2714 * Do we have to perform journaling? If so, hand off the saved
2715 * RFC822 version will be handed off to the journaler for background
2716 * submit. Otherwise, we have to free the memory ourselves.
2718 if (saved_rfc822_version != NULL) {
2719 if (qualified_for_journaling) {
2720 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
2723 free(saved_rfc822_version);
2736 * Convenience function for generating small administrative messages.
2738 void quickie_message(char *from, char *fromaddr, char *to, char *room, char *text,
2739 int format_type, char *subject)
2741 struct CtdlMessage *msg;
2742 struct recptypes *recp = NULL;
2744 msg = malloc(sizeof(struct CtdlMessage));
2745 memset(msg, 0, sizeof(struct CtdlMessage));
2746 msg->cm_magic = CTDLMESSAGE_MAGIC;
2747 msg->cm_anon_type = MES_NORMAL;
2748 msg->cm_format_type = format_type;
2751 msg->cm_fields['A'] = strdup(from);
2753 else if (fromaddr != NULL) {
2754 msg->cm_fields['A'] = strdup(fromaddr);
2755 if (strchr(msg->cm_fields['A'], '@')) {
2756 *strchr(msg->cm_fields['A'], '@') = 0;
2760 msg->cm_fields['A'] = strdup("Citadel");
2763 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
2764 if (room != NULL) msg->cm_fields['O'] = strdup(room);
2765 msg->cm_fields['N'] = strdup(NODENAME);
2767 msg->cm_fields['R'] = strdup(to);
2768 recp = validate_recipients(to);
2770 if (subject != NULL) {
2771 msg->cm_fields['U'] = strdup(subject);
2773 msg->cm_fields['M'] = strdup(text);
2775 CtdlSubmitMsg(msg, recp, room);
2776 CtdlFreeMessage(msg);
2777 if (recp != NULL) free(recp);
2783 * Back end function used by CtdlMakeMessage() and similar functions
2785 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2786 size_t maxlen, /* maximum message length */
2787 char *exist, /* if non-null, append to it;
2788 exist is ALWAYS freed */
2789 int crlf /* CRLF newlines instead of LF */
2793 size_t message_len = 0;
2794 size_t buffer_len = 0;
2801 if (exist == NULL) {
2808 message_len = strlen(exist);
2809 buffer_len = message_len + 4096;
2810 m = realloc(exist, buffer_len);
2817 /* Do we need to change leading ".." to "." for SMTP escaping? */
2818 if (!strcmp(terminator, ".")) {
2822 /* flush the input if we have nowhere to store it */
2827 /* read in the lines of message text one by one */
2829 if (client_getln(buf, (sizeof buf - 3)) < 1) finished = 1;
2830 if (!strcmp(buf, terminator)) finished = 1;
2832 strcat(buf, "\r\n");
2838 /* Unescape SMTP-style input of two dots at the beginning of the line */
2840 if (!strncmp(buf, "..", 2)) {
2841 strcpy(buf, &buf[1]);
2845 if ( (!flushing) && (!finished) ) {
2846 /* Measure the line */
2847 linelen = strlen(buf);
2849 /* augment the buffer if we have to */
2850 if ((message_len + linelen) >= buffer_len) {
2851 ptr = realloc(m, (buffer_len * 2) );
2852 if (ptr == NULL) { /* flush if can't allocate */
2855 buffer_len = (buffer_len * 2);
2857 lprintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
2861 /* Add the new line to the buffer. NOTE: this loop must avoid
2862 * using functions like strcat() and strlen() because they
2863 * traverse the entire buffer upon every call, and doing that
2864 * for a multi-megabyte message slows it down beyond usability.
2866 strcpy(&m[message_len], buf);
2867 message_len += linelen;
2870 /* if we've hit the max msg length, flush the rest */
2871 if (message_len >= maxlen) flushing = 1;
2873 } while (!finished);
2881 * Build a binary message to be saved on disk.
2882 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2883 * will become part of the message. This means you are no longer
2884 * responsible for managing that memory -- it will be freed along with
2885 * the rest of the fields when CtdlFreeMessage() is called.)
2888 struct CtdlMessage *CtdlMakeMessage(
2889 struct ctdluser *author, /* author's user structure */
2890 char *recipient, /* NULL if it's not mail */
2891 char *recp_cc, /* NULL if it's not mail */
2892 char *room, /* room where it's going */
2893 int type, /* see MES_ types in header file */
2894 int format_type, /* variformat, plain text, MIME... */
2895 char *fake_name, /* who we're masquerading as */
2896 char *subject, /* Subject (optional) */
2897 char *supplied_euid, /* ...or NULL if this is irrelevant */
2898 char *preformatted_text /* ...or NULL to read text from client */
2900 char dest_node[SIZ];
2902 struct CtdlMessage *msg;
2904 msg = malloc(sizeof(struct CtdlMessage));
2905 memset(msg, 0, sizeof(struct CtdlMessage));
2906 msg->cm_magic = CTDLMESSAGE_MAGIC;
2907 msg->cm_anon_type = type;
2908 msg->cm_format_type = format_type;
2910 /* Don't confuse the poor folks if it's not routed mail. */
2911 strcpy(dest_node, "");
2916 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2917 msg->cm_fields['P'] = strdup(buf);
2919 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2920 msg->cm_fields['T'] = strdup(buf);
2922 if (fake_name[0]) /* author */
2923 msg->cm_fields['A'] = strdup(fake_name);
2925 msg->cm_fields['A'] = strdup(author->fullname);
2927 if (CC->room.QRflags & QR_MAILBOX) { /* room */
2928 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
2931 msg->cm_fields['O'] = strdup(CC->room.QRname);
2934 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
2935 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
2937 if (recipient[0] != 0) {
2938 msg->cm_fields['R'] = strdup(recipient);
2940 if (recp_cc[0] != 0) {
2941 msg->cm_fields['Y'] = strdup(recp_cc);
2943 if (dest_node[0] != 0) {
2944 msg->cm_fields['D'] = strdup(dest_node);
2947 if ( (author == &CC->user) && (strlen(CC->cs_inet_email) > 0) ) {
2948 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
2951 if (subject != NULL) {
2954 length = strlen(subject);
2960 while ((subject[i] != '\0') &&
2961 (IsAscii = isascii(subject[i]) != 0 ))
2964 msg->cm_fields['U'] = strdup(subject);
2965 else /* ok, we've got utf8 in the string. */
2967 msg->cm_fields['U'] = rfc2047encode(subject, length);
2973 if (supplied_euid != NULL) {
2974 msg->cm_fields['E'] = strdup(supplied_euid);
2977 if (preformatted_text != NULL) {
2978 msg->cm_fields['M'] = preformatted_text;
2981 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2982 config.c_maxmsglen, NULL, 0);
2990 * Check to see whether we have permission to post a message in the current
2991 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2992 * returns 0 on success.
2994 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2997 if (!(CC->logged_in)) {
2998 snprintf(errmsgbuf, n, "Not logged in.");
2999 return (ERROR + NOT_LOGGED_IN);
3002 if ((CC->user.axlevel < 2)
3003 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3004 snprintf(errmsgbuf, n, "Need to be validated to enter "
3005 "(except in %s> to sysop)", MAILROOM);
3006 return (ERROR + HIGHER_ACCESS_REQUIRED);
3009 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3010 if (!(ra & UA_POSTALLOWED)) {
3011 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3012 return (ERROR + HIGHER_ACCESS_REQUIRED);
3015 strcpy(errmsgbuf, "Ok");
3021 * Check to see if the specified user has Internet mail permission
3022 * (returns nonzero if permission is granted)
3024 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3026 /* Do not allow twits to send Internet mail */
3027 if (who->axlevel <= 2) return(0);
3029 /* Globally enabled? */
3030 if (config.c_restrict == 0) return(1);
3032 /* User flagged ok? */
3033 if (who->flags & US_INTERNET) return(2);
3035 /* Aide level access? */
3036 if (who->axlevel >= 6) return(3);
3038 /* No mail for you! */
3044 * Validate recipients, count delivery types and errors, and handle aliasing
3045 * FIXME check for dupes!!!!!
3046 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3047 * were specified, or the number of addresses found invalid.
3048 * caller needs to free the result.
3050 struct recptypes *validate_recipients(char *supplied_recipients) {
3051 struct recptypes *ret;
3052 char recipients[SIZ];
3053 char this_recp[256];
3054 char this_recp_cooked[256];
3060 struct ctdluser tempUS;
3061 struct ctdlroom tempQR;
3065 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3066 if (ret == NULL) return(NULL);
3067 memset(ret, 0, sizeof(struct recptypes));
3070 ret->num_internet = 0;
3075 if (supplied_recipients == NULL) {
3076 strcpy(recipients, "");
3079 safestrncpy(recipients, supplied_recipients, sizeof recipients);
3082 /* Change all valid separator characters to commas */
3083 for (i=0; i<strlen(recipients); ++i) {
3084 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3085 recipients[i] = ',';
3089 /* Now start extracting recipients... */
3091 while (strlen(recipients) > 0) {
3093 for (i=0; i<=strlen(recipients); ++i) {
3094 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3095 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3096 safestrncpy(this_recp, recipients, i+1);
3098 if (recipients[i] == ',') {
3099 strcpy(recipients, &recipients[i+1]);
3102 strcpy(recipients, "");
3109 lprintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3111 mailtype = alias(this_recp);
3112 mailtype = alias(this_recp);
3113 mailtype = alias(this_recp);
3114 for (j=0; j<=strlen(this_recp); ++j) {
3115 if (this_recp[j]=='_') {
3116 this_recp_cooked[j] = ' ';
3119 this_recp_cooked[j] = this_recp[j];
3125 if (!strcasecmp(this_recp, "sysop")) {
3127 strcpy(this_recp, config.c_aideroom);
3128 if (strlen(ret->recp_room) > 0) {
3129 strcat(ret->recp_room, "|");
3131 strcat(ret->recp_room, this_recp);
3133 else if (getuser(&tempUS, this_recp) == 0) {
3135 strcpy(this_recp, tempUS.fullname);
3136 if (strlen(ret->recp_local) > 0) {
3137 strcat(ret->recp_local, "|");
3139 strcat(ret->recp_local, this_recp);
3141 else if (getuser(&tempUS, this_recp_cooked) == 0) {
3143 strcpy(this_recp, tempUS.fullname);
3144 if (strlen(ret->recp_local) > 0) {
3145 strcat(ret->recp_local, "|");
3147 strcat(ret->recp_local, this_recp);
3149 else if ( (!strncasecmp(this_recp, "room_", 5))
3150 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
3152 if (strlen(ret->recp_room) > 0) {
3153 strcat(ret->recp_room, "|");
3155 strcat(ret->recp_room, &this_recp_cooked[5]);
3163 /* Yes, you're reading this correctly: if the target
3164 * domain points back to the local system or an attached
3165 * Citadel directory, the address is invalid. That's
3166 * because if the address were valid, we would have
3167 * already translated it to a local address by now.
3169 if (IsDirectory(this_recp)) {
3174 ++ret->num_internet;
3175 if (strlen(ret->recp_internet) > 0) {
3176 strcat(ret->recp_internet, "|");
3178 strcat(ret->recp_internet, this_recp);
3183 if (strlen(ret->recp_ignet) > 0) {
3184 strcat(ret->recp_ignet, "|");
3186 strcat(ret->recp_ignet, this_recp);
3194 if (strlen(ret->errormsg) == 0) {
3195 snprintf(append, sizeof append,
3196 "Invalid recipient: %s",
3200 snprintf(append, sizeof append,
3203 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
3204 strcat(ret->errormsg, append);
3208 if (strlen(ret->display_recp) == 0) {
3209 strcpy(append, this_recp);
3212 snprintf(append, sizeof append, ", %s",
3215 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3216 strcat(ret->display_recp, append);
3221 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3222 ret->num_room + ret->num_error) == 0) {
3223 ret->num_error = (-1);
3224 strcpy(ret->errormsg, "No recipients specified.");
3227 lprintf(CTDL_DEBUG, "validate_recipients()\n");
3228 lprintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3229 lprintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3230 lprintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3231 lprintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3232 lprintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3240 * message entry - mode 0 (normal)
3242 void cmd_ent0(char *entargs)
3248 char supplied_euid[128];
3249 char masquerade_as[SIZ];
3251 int format_type = 0;
3252 char newusername[SIZ];
3253 struct CtdlMessage *msg;
3257 struct recptypes *valid = NULL;
3258 struct recptypes *valid_to = NULL;
3259 struct recptypes *valid_cc = NULL;
3260 struct recptypes *valid_bcc = NULL;
3267 post = extract_int(entargs, 0);
3268 extract_token(recp, entargs, 1, '|', sizeof recp);
3269 anon_flag = extract_int(entargs, 2);
3270 format_type = extract_int(entargs, 3);
3271 extract_token(subject, entargs, 4, '|', sizeof subject);
3272 do_confirm = extract_int(entargs, 6);
3273 extract_token(cc, entargs, 7, '|', sizeof cc);
3274 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3275 switch(CC->room.QRdefaultview) {
3278 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3281 supplied_euid[0] = 0;
3285 /* first check to make sure the request is valid. */
3287 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
3289 cprintf("%d %s\n", err, errmsg);
3293 /* Check some other permission type things. */
3296 if (CC->user.axlevel < 6) {
3297 cprintf("%d You don't have permission to masquerade.\n",
3298 ERROR + HIGHER_ACCESS_REQUIRED);
3301 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3302 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
3303 safestrncpy(CC->fake_postname, newusername,
3304 sizeof(CC->fake_postname) );
3305 cprintf("%d ok\n", CIT_OK);
3308 CC->cs_flags |= CS_POSTING;
3310 /* In the Mail> room we have to behave a little differently --
3311 * make sure the user has specified at least one recipient. Then
3312 * validate the recipient(s).
3314 if ( (CC->room.QRflags & QR_MAILBOX)
3315 && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) ) {
3317 if (CC->user.axlevel < 2) {
3318 strcpy(recp, "sysop");
3323 valid_to = validate_recipients(recp);
3324 if (valid_to->num_error > 0) {
3325 cprintf("%d Invalid recipient (To)\n", ERROR + NO_SUCH_USER);
3330 valid_cc = validate_recipients(cc);
3331 if (valid_cc->num_error > 0) {
3332 cprintf("%d Invalid recipient (CC)\n", ERROR + NO_SUCH_USER);
3338 valid_bcc = validate_recipients(bcc);
3339 if (valid_bcc->num_error > 0) {
3340 cprintf("%d Invalid recipient (BCC)\n", ERROR + NO_SUCH_USER);
3347 /* Recipient required, but none were specified */
3348 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
3352 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
3356 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
3357 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
3358 cprintf("%d You do not have permission "
3359 "to send Internet mail.\n",
3360 ERROR + HIGHER_ACCESS_REQUIRED);
3368 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)
3369 && (CC->user.axlevel < 4) ) {
3370 cprintf("%d Higher access required for network mail.\n",
3371 ERROR + HIGHER_ACCESS_REQUIRED);
3378 if ((RESTRICT_INTERNET == 1)
3379 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
3380 && ((CC->user.flags & US_INTERNET) == 0)
3381 && (!CC->internal_pgm)) {
3382 cprintf("%d You don't have access to Internet mail.\n",
3383 ERROR + HIGHER_ACCESS_REQUIRED);
3392 /* Is this a room which has anonymous-only or anonymous-option? */
3393 anonymous = MES_NORMAL;
3394 if (CC->room.QRflags & QR_ANONONLY) {
3395 anonymous = MES_ANONONLY;
3397 if (CC->room.QRflags & QR_ANONOPT) {
3398 if (anon_flag == 1) { /* only if the user requested it */
3399 anonymous = MES_ANONOPT;
3403 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
3407 /* If we're only checking the validity of the request, return
3408 * success without creating the message.
3411 cprintf("%d %s\n", CIT_OK,
3412 ((valid_to != NULL) ? valid_to->display_recp : "") );
3419 /* We don't need these anymore because we'll do it differently below */
3424 /* Handle author masquerading */
3425 if (CC->fake_postname[0]) {
3426 strcpy(masquerade_as, CC->fake_postname);
3428 else if (CC->fake_username[0]) {
3429 strcpy(masquerade_as, CC->fake_username);
3432 strcpy(masquerade_as, "");
3435 /* Read in the message from the client. */
3437 cprintf("%d send message\n", START_CHAT_MODE);
3439 cprintf("%d send message\n", SEND_LISTING);
3442 msg = CtdlMakeMessage(&CC->user, recp, cc,
3443 CC->room.QRname, anonymous, format_type,
3444 masquerade_as, subject,
3445 ((strlen(supplied_euid) > 0) ? supplied_euid : NULL),
3448 /* Put together one big recipients struct containing to/cc/bcc all in
3449 * one. This is for the envelope.
3451 char *all_recps = malloc(SIZ * 3);
3452 strcpy(all_recps, recp);
3453 if (strlen(cc) > 0) {
3454 if (strlen(all_recps) > 0) {
3455 strcat(all_recps, ",");
3457 strcat(all_recps, cc);
3459 if (strlen(bcc) > 0) {
3460 if (strlen(all_recps) > 0) {
3461 strcat(all_recps, ",");
3463 strcat(all_recps, bcc);
3465 if (strlen(all_recps) > 0) {
3466 valid = validate_recipients(all_recps);
3474 msgnum = CtdlSubmitMsg(msg, valid, "");
3477 cprintf("%ld\n", msgnum);
3479 cprintf("Message accepted.\n");
3482 cprintf("Internal error.\n");
3484 if (msg->cm_fields['E'] != NULL) {
3485 cprintf("%s\n", msg->cm_fields['E']);
3492 CtdlFreeMessage(msg);
3494 CC->fake_postname[0] = '\0';
3495 if (valid != NULL) {
3504 * API function to delete messages which match a set of criteria
3505 * (returns the actual number of messages deleted)
3507 int CtdlDeleteMessages(char *room_name, /* which room */
3508 long *dmsgnums, /* array of msg numbers to be deleted */
3509 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
3510 char *content_type /* or "" for any */
3514 struct ctdlroom qrbuf;
3515 struct cdbdata *cdbfr;
3516 long *msglist = NULL;
3517 long *dellist = NULL;
3520 int num_deleted = 0;
3522 struct MetaData smi;
3524 lprintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
3525 room_name, num_dmsgnums, content_type);
3527 /* get room record, obtaining a lock... */
3528 if (lgetroom(&qrbuf, room_name) != 0) {
3529 lprintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
3531 return (0); /* room not found */
3533 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
3535 if (cdbfr != NULL) {
3536 dellist = malloc(cdbfr->len);
3537 msglist = (long *) cdbfr->ptr;
3538 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
3539 num_msgs = cdbfr->len / sizeof(long);
3543 for (i = 0; i < num_msgs; ++i) {
3546 /* Set/clear a bit for each criterion */
3548 /* 0 messages in the list or a null list means that we are
3549 * interested in deleting any messages which meet the other criteria.
3551 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
3552 delete_this |= 0x01;
3555 for (j=0; j<num_dmsgnums; ++j) {
3556 if (msglist[i] == dmsgnums[j]) {
3557 delete_this |= 0x01;
3562 if (strlen(content_type) == 0) {
3563 delete_this |= 0x02;
3565 GetMetaData(&smi, msglist[i]);
3566 if (!strcasecmp(smi.meta_content_type,
3568 delete_this |= 0x02;
3572 /* Delete message only if all bits are set */
3573 if (delete_this == 0x03) {
3574 dellist[num_deleted++] = msglist[i];
3579 num_msgs = sort_msglist(msglist, num_msgs);
3580 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
3581 msglist, (int)(num_msgs * sizeof(long)));
3583 qrbuf.QRhighest = msglist[num_msgs - 1];
3587 /* Go through the messages we pulled out of the index, and decrement
3588 * their reference counts by 1. If this is the only room the message
3589 * was in, the reference count will reach zero and the message will
3590 * automatically be deleted from the database. We do this in a
3591 * separate pass because there might be plug-in hooks getting called,
3592 * and we don't want that happening during an S_ROOMS critical
3595 if (num_deleted) for (i=0; i<num_deleted; ++i) {
3596 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
3597 AdjRefCount(dellist[i], -1);
3600 /* Now free the memory we used, and go away. */
3601 if (msglist != NULL) free(msglist);
3602 if (dellist != NULL) free(dellist);
3603 lprintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
3604 return (num_deleted);
3610 * Check whether the current user has permission to delete messages from
3611 * the current room (returns 1 for yes, 0 for no)
3613 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
3614 getuser(&CC->user, CC->curr_user);
3615 if ((CC->user.axlevel < 6)
3616 && (CC->user.usernum != CC->room.QRroomaide)
3617 && ((CC->room.QRflags & QR_MAILBOX) == 0)
3618 && (!(CC->internal_pgm))) {
3627 * Delete message from current room
3629 void cmd_dele(char *args)
3638 extract_token(msgset, args, 0, '|', sizeof msgset);
3639 num_msgs = num_tokens(msgset, ',');
3641 cprintf("%d Nothing to do.\n", CIT_OK);
3645 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
3646 cprintf("%d Higher access required.\n",
3647 ERROR + HIGHER_ACCESS_REQUIRED);
3652 * Build our message set to be moved/copied
3654 msgs = malloc(num_msgs * sizeof(long));
3655 for (i=0; i<num_msgs; ++i) {
3656 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
3657 msgs[i] = atol(msgtok);
3660 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
3664 cprintf("%d %d message%s deleted.\n", CIT_OK,
3665 num_deleted, ((num_deleted != 1) ? "s" : ""));
3667 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
3673 * Back end API function for moves and deletes (multiple messages)
3675 int CtdlCopyMsgsToRoom(long *msgnums, int num_msgs, char *dest) {
3678 err = CtdlSaveMsgPointersInRoom(dest, msgnums, num_msgs, 1, NULL);
3679 if (err != 0) return(err);
3688 * move or copy a message to another room
3690 void cmd_move(char *args)
3697 char targ[ROOMNAMELEN];
3698 struct ctdlroom qtemp;
3705 extract_token(msgset, args, 0, '|', sizeof msgset);
3706 num_msgs = num_tokens(msgset, ',');
3708 cprintf("%d Nothing to do.\n", CIT_OK);
3712 extract_token(targ, args, 1, '|', sizeof targ);
3713 convert_room_name_macros(targ, sizeof targ);
3714 targ[ROOMNAMELEN - 1] = 0;
3715 is_copy = extract_int(args, 2);
3717 if (getroom(&qtemp, targ) != 0) {
3718 cprintf("%d '%s' does not exist.\n",
3719 ERROR + ROOM_NOT_FOUND, targ);
3723 getuser(&CC->user, CC->curr_user);
3724 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
3726 /* Check for permission to perform this operation.
3727 * Remember: "CC->room" is source, "qtemp" is target.
3731 /* Aides can move/copy */
3732 if (CC->user.axlevel >= 6) permit = 1;
3734 /* Room aides can move/copy */
3735 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
3737 /* Permit move/copy from personal rooms */
3738 if ((CC->room.QRflags & QR_MAILBOX)
3739 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3741 /* Permit only copy from public to personal room */
3743 && (!(CC->room.QRflags & QR_MAILBOX))
3744 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3746 /* User must have access to target room */
3747 if (!(ra & UA_KNOWN)) permit = 0;
3750 cprintf("%d Higher access required.\n",
3751 ERROR + HIGHER_ACCESS_REQUIRED);
3756 * Build our message set to be moved/copied
3758 msgs = malloc(num_msgs * sizeof(long));
3759 for (i=0; i<num_msgs; ++i) {
3760 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
3761 msgs[i] = atol(msgtok);
3767 err = CtdlCopyMsgsToRoom(msgs, num_msgs, targ);
3769 cprintf("%d Cannot store message(s) in %s: error %d\n",
3775 /* Now delete the message from the source room,
3776 * if this is a 'move' rather than a 'copy' operation.
3779 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
3783 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
3789 * GetMetaData() - Get the supplementary record for a message
3791 void GetMetaData(struct MetaData *smibuf, long msgnum)
3794 struct cdbdata *cdbsmi;
3797 memset(smibuf, 0, sizeof(struct MetaData));
3798 smibuf->meta_msgnum = msgnum;
3799 smibuf->meta_refcount = 1; /* Default reference count is 1 */
3801 /* Use the negative of the message number for its supp record index */
3802 TheIndex = (0L - msgnum);
3804 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
3805 if (cdbsmi == NULL) {
3806 return; /* record not found; go with defaults */
3808 memcpy(smibuf, cdbsmi->ptr,
3809 ((cdbsmi->len > sizeof(struct MetaData)) ?
3810 sizeof(struct MetaData) : cdbsmi->len));
3817 * PutMetaData() - (re)write supplementary record for a message
3819 void PutMetaData(struct MetaData *smibuf)
3823 /* Use the negative of the message number for the metadata db index */
3824 TheIndex = (0L - smibuf->meta_msgnum);
3826 cdb_store(CDB_MSGMAIN,
3827 &TheIndex, (int)sizeof(long),
3828 smibuf, (int)sizeof(struct MetaData));
3833 * AdjRefCount - submit an adjustment to the reference count for a message.
3834 * (These are just queued -- we actually process them later.)
3836 void AdjRefCount(long msgnum, int incr)
3838 struct arcq new_arcq;
3840 begin_critical_section(S_SUPPMSGMAIN);
3841 if (arcfp == NULL) {
3842 arcfp = fopen(file_arcq, "ab+");
3844 end_critical_section(S_SUPPMSGMAIN);
3846 /* msgnum < 0 means that we're trying to close the file */
3848 lprintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
3849 begin_critical_section(S_SUPPMSGMAIN);
3850 if (arcfp != NULL) {
3854 end_critical_section(S_SUPPMSGMAIN);
3859 * If we can't open the queue, perform the operation synchronously.
3861 if (arcfp == NULL) {
3862 TDAP_AdjRefCount(msgnum, incr);
3866 new_arcq.arcq_msgnum = msgnum;
3867 new_arcq.arcq_delta = incr;
3868 fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
3876 * TDAP_ProcessAdjRefCountQueue()
3878 * Process the queue of message count adjustments that was created by calls
3879 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
3880 * for each one. This should be an "off hours" operation.
3882 int TDAP_ProcessAdjRefCountQueue(void)
3884 char file_arcq_temp[PATH_MAX];
3887 struct arcq arcq_rec;
3888 int num_records_processed = 0;
3890 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s2", file_arcq);
3892 begin_critical_section(S_SUPPMSGMAIN);
3893 if (arcfp != NULL) {
3898 r = link(file_arcq, file_arcq_temp);
3900 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3901 end_critical_section(S_SUPPMSGMAIN);
3902 return(num_records_processed);
3906 end_critical_section(S_SUPPMSGMAIN);
3908 fp = fopen(file_arcq_temp, "rb");
3910 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3911 return(num_records_processed);
3914 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
3915 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
3916 ++num_records_processed;
3920 r = unlink(file_arcq_temp);
3922 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3925 return(num_records_processed);
3931 * TDAP_AdjRefCount - adjust the reference count for a message.
3932 * This one does it "for real" because it's called by
3933 * the autopurger function that processes the queue
3934 * created by AdjRefCount(). If a message's reference
3935 * count becomes zero, we also delete the message from
3936 * disk and de-index it.
3938 void TDAP_AdjRefCount(long msgnum, int incr)
3941 struct MetaData smi;
3944 /* This is a *tight* critical section; please keep it that way, as
3945 * it may get called while nested in other critical sections.
3946 * Complicating this any further will surely cause deadlock!
3948 begin_critical_section(S_SUPPMSGMAIN);
3949 GetMetaData(&smi, msgnum);
3950 smi.meta_refcount += incr;
3952 end_critical_section(S_SUPPMSGMAIN);
3953 lprintf(CTDL_DEBUG, "msg %ld ref count delta %d, is now %d\n",
3954 msgnum, incr, smi.meta_refcount);
3956 /* If the reference count is now zero, delete the message
3957 * (and its supplementary record as well).
3959 if (smi.meta_refcount == 0) {
3960 lprintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
3962 /* Remove from fulltext index */
3963 if (config.c_enable_fulltext) {
3964 ft_index_message(msgnum, 0);
3967 /* Remove from message base */
3969 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
3970 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
3972 /* Remove metadata record */
3973 delnum = (0L - msgnum);
3974 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
3980 * Write a generic object to this room
3982 * Note: this could be much more efficient. Right now we use two temporary
3983 * files, and still pull the message into memory as with all others.
3985 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3986 char *content_type, /* MIME type of this object */
3987 char *tempfilename, /* Where to fetch it from */
3988 struct ctdluser *is_mailbox, /* Mailbox room? */
3989 int is_binary, /* Is encoding necessary? */
3990 int is_unique, /* Del others of this type? */
3991 unsigned int flags /* Internal save flags */
3996 struct ctdlroom qrbuf;
3997 char roomname[ROOMNAMELEN];
3998 struct CtdlMessage *msg;
4000 char *raw_message = NULL;
4001 char *encoded_message = NULL;
4002 off_t raw_length = 0;
4004 if (is_mailbox != NULL) {
4005 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4008 safestrncpy(roomname, req_room, sizeof(roomname));
4011 fp = fopen(tempfilename, "rb");
4013 lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
4014 tempfilename, strerror(errno));
4017 fseek(fp, 0L, SEEK_END);
4018 raw_length = ftell(fp);
4020 lprintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4022 raw_message = malloc((size_t)raw_length + 2);
4023 fread(raw_message, (size_t)raw_length, 1, fp);
4027 encoded_message = malloc((size_t)
4028 (((raw_length * 134) / 100) + 4096 ) );
4031 encoded_message = malloc((size_t)(raw_length + 4096));
4034 sprintf(encoded_message, "Content-type: %s\n", content_type);
4037 sprintf(&encoded_message[strlen(encoded_message)],
4038 "Content-transfer-encoding: base64\n\n"
4042 sprintf(&encoded_message[strlen(encoded_message)],
4043 "Content-transfer-encoding: 7bit\n\n"
4049 &encoded_message[strlen(encoded_message)],
4055 raw_message[raw_length] = 0;
4057 &encoded_message[strlen(encoded_message)],
4065 lprintf(CTDL_DEBUG, "Allocating\n");
4066 msg = malloc(sizeof(struct CtdlMessage));
4067 memset(msg, 0, sizeof(struct CtdlMessage));
4068 msg->cm_magic = CTDLMESSAGE_MAGIC;
4069 msg->cm_anon_type = MES_NORMAL;
4070 msg->cm_format_type = 4;
4071 msg->cm_fields['A'] = strdup(CC->user.fullname);
4072 msg->cm_fields['O'] = strdup(req_room);
4073 msg->cm_fields['N'] = strdup(config.c_nodename);
4074 msg->cm_fields['H'] = strdup(config.c_humannode);
4075 msg->cm_flags = flags;
4077 msg->cm_fields['M'] = encoded_message;
4079 /* Create the requested room if we have to. */
4080 if (getroom(&qrbuf, roomname) != 0) {
4081 create_room(roomname,
4082 ( (is_mailbox != NULL) ? 5 : 3 ),
4083 "", 0, 1, 0, VIEW_BBS);
4085 /* If the caller specified this object as unique, delete all
4086 * other objects of this type that are currently in the room.
4089 lprintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4090 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4093 /* Now write the data */
4094 CtdlSubmitMsg(msg, NULL, roomname);
4095 CtdlFreeMessage(msg);
4103 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4104 config_msgnum = msgnum;
4108 char *CtdlGetSysConfig(char *sysconfname) {
4109 char hold_rm[ROOMNAMELEN];
4112 struct CtdlMessage *msg;
4115 strcpy(hold_rm, CC->room.QRname);
4116 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
4117 getroom(&CC->room, hold_rm);
4122 /* We want the last (and probably only) config in this room */
4123 begin_critical_section(S_CONFIG);
4124 config_msgnum = (-1L);
4125 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4126 CtdlGetSysConfigBackend, NULL);
4127 msgnum = config_msgnum;
4128 end_critical_section(S_CONFIG);
4134 msg = CtdlFetchMessage(msgnum, 1);
4136 conf = strdup(msg->cm_fields['M']);
4137 CtdlFreeMessage(msg);
4144 getroom(&CC->room, hold_rm);
4146 if (conf != NULL) do {
4147 extract_token(buf, conf, 0, '\n', sizeof buf);
4148 strcpy(conf, &conf[strlen(buf)+1]);
4149 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
4154 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4155 char temp[PATH_MAX];
4158 CtdlMakeTempFileName(temp, sizeof temp);
4160 fp = fopen(temp, "w");
4161 if (fp == NULL) return;
4162 fprintf(fp, "%s", sysconfdata);
4165 /* this handy API function does all the work for us */
4166 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
4172 * Determine whether a given Internet address belongs to the current user
4174 int CtdlIsMe(char *addr, int addr_buf_len)
4176 struct recptypes *recp;
4179 recp = validate_recipients(addr);
4180 if (recp == NULL) return(0);
4182 if (recp->num_local == 0) {
4187 for (i=0; i<recp->num_local; ++i) {
4188 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4189 if (!strcasecmp(addr, CC->user.fullname)) {
4201 * Citadel protocol command to do the same
4203 void cmd_isme(char *argbuf) {
4206 if (CtdlAccessCheck(ac_logged_in)) return;
4207 extract_token(addr, argbuf, 0, '|', sizeof addr);
4209 if (CtdlIsMe(addr, sizeof addr)) {
4210 cprintf("%d %s\n", CIT_OK, addr);
4213 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);