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;
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) return;
1114 for (i = 0; i < 256; ++i)
1115 if (msg->cm_fields[i] != NULL) {
1116 free(msg->cm_fields[i]);
1119 msg->cm_magic = 0; /* just in case */
1125 * Pre callback function for multipart/alternative
1127 * NOTE: this differs from the standard behavior for a reason. Normally when
1128 * displaying multipart/alternative you want to show the _last_ usable
1129 * format in the message. Here we show the _first_ one, because it's
1130 * usually text/plain. Since this set of functions is designed for text
1131 * output to non-MIME-aware clients, this is the desired behavior.
1134 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1135 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1140 ma = (struct ma_info *)cbuserdata;
1141 lprintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1142 if (!strcasecmp(cbtype, "multipart/alternative")) {
1146 if (!strcasecmp(cbtype, "message/rfc822")) {
1152 * Post callback function for multipart/alternative
1154 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1155 void *content, char *cbtype, char *cbcharset, size_t length,
1156 char *encoding, void *cbuserdata)
1160 ma = (struct ma_info *)cbuserdata;
1161 lprintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1162 if (!strcasecmp(cbtype, "multipart/alternative")) {
1166 if (!strcasecmp(cbtype, "message/rfc822")) {
1172 * Inline callback function for mime parser that wants to display text
1174 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1175 void *content, char *cbtype, char *cbcharset, size_t length,
1176 char *encoding, void *cbuserdata)
1183 ma = (struct ma_info *)cbuserdata;
1186 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1187 partnum, filename, cbtype, (long)length);
1190 * If we're in the middle of a multipart/alternative scope and
1191 * we've already printed another section, skip this one.
1193 if ( (ma->is_ma) && (ma->did_print) ) {
1194 lprintf(CTDL_DEBUG, "Skipping part %s (%s)\n",
1200 if ( (!strcasecmp(cbtype, "text/plain"))
1201 || (strlen(cbtype)==0) ) {
1204 client_write(wptr, length);
1205 if (wptr[length-1] != '\n') {
1212 if (!strcasecmp(cbtype, "text/html")) {
1213 ptr = html_to_ascii(content, length, 80, 0);
1215 client_write(ptr, wlen);
1216 if (ptr[wlen-1] != '\n') {
1223 if (ma->use_fo_hooks) {
1224 if (PerformFixedOutputHooks(cbtype, content, length)) {
1225 /* above function returns nonzero if it handled the part */
1230 if (strncasecmp(cbtype, "multipart/", 10)) {
1231 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1232 partnum, filename, cbtype, (long)length);
1238 * The client is elegant and sophisticated and wants to be choosy about
1239 * MIME content types, so figure out which multipart/alternative part
1240 * we're going to send.
1242 * We use a system of weights. When we find a part that matches one of the
1243 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1244 * and then set ma->chosen_pref to that MIME type's position in our preference
1245 * list. If we then hit another match, we only replace the first match if
1246 * the preference value is lower.
1248 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1249 void *content, char *cbtype, char *cbcharset, size_t length,
1250 char *encoding, void *cbuserdata)
1256 ma = (struct ma_info *)cbuserdata;
1258 if (ma->is_ma > 0) {
1259 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1260 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1261 lprintf(CTDL_DEBUG, "Is <%s> == <%s> ??\n", buf, cbtype);
1262 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1263 if (i < ma->chosen_pref) {
1264 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1265 ma->chosen_pref = i;
1273 * Now that we've chosen our preferred part, output it.
1275 void output_preferred(char *name, char *filename, char *partnum, char *disp,
1276 void *content, char *cbtype, char *cbcharset, size_t length,
1277 char *encoding, void *cbuserdata)
1281 int add_newline = 0;
1285 ma = (struct ma_info *)cbuserdata;
1287 /* This is not the MIME part you're looking for... */
1288 if (strcasecmp(partnum, ma->chosen_part)) return;
1290 /* If the content-type of this part is in our preferred formats
1291 * list, we can simply output it verbatim.
1293 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1294 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1295 if (!strcasecmp(buf, cbtype)) {
1296 /* Yeah! Go! W00t!! */
1298 text_content = (char *)content;
1299 if (text_content[length-1] != '\n') {
1303 cprintf("Content-type: %s", cbtype);
1304 if (strlen(cbcharset) > 0) {
1305 cprintf("; charset=%s", cbcharset);
1307 cprintf("\nContent-length: %d\n",
1308 (int)(length + add_newline) );
1309 if (strlen(encoding) > 0) {
1310 cprintf("Content-transfer-encoding: %s\n", encoding);
1313 cprintf("Content-transfer-encoding: 7bit\n");
1316 client_write(content, length);
1317 if (add_newline) cprintf("\n");
1322 /* No translations required or possible: output as text/plain */
1323 cprintf("Content-type: text/plain\n\n");
1324 fixed_output(name, filename, partnum, disp, content, cbtype, cbcharset,
1325 length, encoding, cbuserdata);
1330 char desired_section[64];
1337 * Callback function for
1339 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1340 void *content, char *cbtype, char *cbcharset, size_t length,
1341 char *encoding, void *cbuserdata)
1343 struct encapmsg *encap;
1345 encap = (struct encapmsg *)cbuserdata;
1347 /* Only proceed if this is the desired section... */
1348 if (!strcasecmp(encap->desired_section, partnum)) {
1349 encap->msglen = length;
1350 encap->msg = malloc(length + 2);
1351 memcpy(encap->msg, content, length);
1361 * Get a message off disk. (returns om_* values found in msgbase.h)
1364 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1365 int mode, /* how would you like that message? */
1366 int headers_only, /* eschew the message body? */
1367 int do_proto, /* do Citadel protocol responses? */
1368 int crlf, /* Use CRLF newlines instead of LF? */
1369 char *section /* NULL or a message/rfc822 section */
1371 struct CtdlMessage *TheMessage = NULL;
1372 int retcode = om_no_such_msg;
1373 struct encapmsg encap;
1375 lprintf(CTDL_DEBUG, "CtdlOutputMsg() msgnum=%ld, mode=%d, section=%s\n",
1377 (section ? section : "<>")
1380 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1381 if (do_proto) cprintf("%d Not logged in.\n",
1382 ERROR + NOT_LOGGED_IN);
1383 return(om_not_logged_in);
1386 /* FIXME: check message id against msglist for this room */
1389 * Fetch the message from disk. If we're in any sort of headers
1390 * only mode, request that we don't even bother loading the body
1393 if ( (headers_only == HEADERS_FAST) || (headers_only == HEADERS_ONLY) ) {
1394 TheMessage = CtdlFetchMessage(msg_num, 0);
1397 TheMessage = CtdlFetchMessage(msg_num, 1);
1400 if (TheMessage == NULL) {
1401 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1402 ERROR + MESSAGE_NOT_FOUND, msg_num);
1403 return(om_no_such_msg);
1406 /* Here is the weird form of this command, to process only an
1407 * encapsulated message/rfc822 section.
1409 if (section) if (strlen(section)>0) if (strcmp(section, "0")) {
1410 memset(&encap, 0, sizeof encap);
1411 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1412 mime_parser(TheMessage->cm_fields['M'],
1414 *extract_encapsulated_message,
1415 NULL, NULL, (void *)&encap, 0
1417 CtdlFreeMessage(TheMessage);
1421 encap.msg[encap.msglen] = 0;
1422 TheMessage = convert_internet_message(encap.msg);
1423 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1425 /* Now we let it fall through to the bottom of this
1426 * function, because TheMessage now contains the
1427 * encapsulated message instead of the top-level
1428 * message. Isn't that neat?
1433 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1434 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1435 retcode = om_no_such_msg;
1440 /* Ok, output the message now */
1441 retcode = CtdlOutputPreLoadedMsg(
1443 headers_only, do_proto, crlf);
1444 CtdlFreeMessage(TheMessage);
1451 * Get a message off disk. (returns om_* values found in msgbase.h)
1454 int CtdlOutputPreLoadedMsg(
1455 struct CtdlMessage *TheMessage,
1456 int mode, /* how would you like that message? */
1457 int headers_only, /* eschew the message body? */
1458 int do_proto, /* do Citadel protocol responses? */
1459 int crlf /* Use CRLF newlines instead of LF? */
1465 char display_name[256];
1467 char *nl; /* newline string */
1469 int subject_found = 0;
1472 /* Buffers needed for RFC822 translation. These are all filled
1473 * using functions that are bounds-checked, and therefore we can
1474 * make them substantially smaller than SIZ.
1482 char datestamp[100];
1484 lprintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
1485 ((TheMessage == NULL) ? "NULL" : "not null"),
1486 mode, headers_only, do_proto, crlf);
1488 strcpy(mid, "unknown");
1489 nl = (crlf ? "\r\n" : "\n");
1491 if (!is_valid_message(TheMessage)) {
1493 "ERROR: invalid preloaded message for output\n");
1494 return(om_no_such_msg);
1497 /* Are we downloading a MIME component? */
1498 if (mode == MT_DOWNLOAD) {
1499 if (TheMessage->cm_format_type != FMT_RFC822) {
1501 cprintf("%d This is not a MIME message.\n",
1502 ERROR + ILLEGAL_VALUE);
1503 } else if (CC->download_fp != NULL) {
1504 if (do_proto) cprintf(
1505 "%d You already have a download open.\n",
1506 ERROR + RESOURCE_BUSY);
1508 /* Parse the message text component */
1509 mptr = TheMessage->cm_fields['M'];
1510 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
1511 /* If there's no file open by this time, the requested
1512 * section wasn't found, so print an error
1514 if (CC->download_fp == NULL) {
1515 if (do_proto) cprintf(
1516 "%d Section %s not found.\n",
1517 ERROR + FILE_NOT_FOUND,
1518 CC->download_desired_section);
1521 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1524 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
1525 * in a single server operation instead of opening a download file.
1527 if (mode == MT_SPEW_SECTION) {
1528 if (TheMessage->cm_format_type != FMT_RFC822) {
1530 cprintf("%d This is not a MIME message.\n",
1531 ERROR + ILLEGAL_VALUE);
1533 /* Parse the message text component */
1536 mptr = TheMessage->cm_fields['M'];
1537 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
1538 /* If section wasn't found, print an error
1541 if (do_proto) cprintf(
1542 "%d Section %s not found.\n",
1543 ERROR + FILE_NOT_FOUND,
1544 CC->download_desired_section);
1547 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1550 /* now for the user-mode message reading loops */
1551 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
1553 /* Does the caller want to skip the headers? */
1554 if (headers_only == HEADERS_NONE) goto START_TEXT;
1556 /* Tell the client which format type we're using. */
1557 if ( (mode == MT_CITADEL) && (do_proto) ) {
1558 cprintf("type=%d\n", TheMessage->cm_format_type);
1561 /* nhdr=yes means that we're only displaying headers, no body */
1562 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1563 && (mode == MT_CITADEL)
1566 cprintf("nhdr=yes\n");
1569 /* begin header processing loop for Citadel message format */
1571 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1573 safestrncpy(display_name, "<unknown>", sizeof display_name);
1574 if (TheMessage->cm_fields['A']) {
1575 strcpy(buf, TheMessage->cm_fields['A']);
1576 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1577 safestrncpy(display_name, "****", sizeof display_name);
1579 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1580 safestrncpy(display_name, "anonymous", sizeof display_name);
1583 safestrncpy(display_name, buf, sizeof display_name);
1585 if ((is_room_aide())
1586 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1587 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1588 size_t tmp = strlen(display_name);
1589 snprintf(&display_name[tmp],
1590 sizeof display_name - tmp,
1595 /* Don't show Internet address for users on the
1596 * local Citadel network.
1599 if (TheMessage->cm_fields['N'] != NULL)
1600 if (strlen(TheMessage->cm_fields['N']) > 0)
1601 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1605 /* Now spew the header fields in the order we like them. */
1606 safestrncpy(allkeys, FORDER, sizeof allkeys);
1607 for (i=0; i<strlen(allkeys); ++i) {
1608 k = (int) allkeys[i];
1610 if ( (TheMessage->cm_fields[k] != NULL)
1611 && (msgkeys[k] != NULL) ) {
1613 if (do_proto) cprintf("%s=%s\n",
1617 else if ((k == 'F') && (suppress_f)) {
1620 /* Masquerade display name if needed */
1622 if (do_proto) cprintf("%s=%s\n",
1624 TheMessage->cm_fields[k]
1633 /* begin header processing loop for RFC822 transfer format */
1638 strcpy(snode, NODENAME);
1639 strcpy(lnode, HUMANNODE);
1640 if (mode == MT_RFC822) {
1641 for (i = 0; i < 256; ++i) {
1642 if (TheMessage->cm_fields[i]) {
1643 mptr = TheMessage->cm_fields[i];
1646 safestrncpy(luser, mptr, sizeof luser);
1647 safestrncpy(suser, mptr, sizeof suser);
1649 else if (i == 'Y') {
1650 cprintf("CC: %s%s", mptr, nl);
1652 else if (i == 'P') {
1653 cprintf("Return-Path: %s%s", mptr, nl);
1655 else if (i == 'V') {
1656 cprintf("Envelope-To: %s%s", mptr, nl);
1658 else if (i == 'U') {
1659 cprintf("Subject: %s%s", mptr, nl);
1663 safestrncpy(mid, mptr, sizeof mid);
1665 safestrncpy(lnode, mptr, sizeof lnode);
1667 safestrncpy(fuser, mptr, sizeof fuser);
1668 /* else if (i == 'O')
1669 cprintf("X-Citadel-Room: %s%s",
1672 safestrncpy(snode, mptr, sizeof snode);
1674 cprintf("To: %s%s", mptr, nl);
1675 else if (i == 'T') {
1676 datestring(datestamp, sizeof datestamp,
1677 atol(mptr), DATESTRING_RFC822);
1678 cprintf("Date: %s%s", datestamp, nl);
1682 if (subject_found == 0) {
1683 cprintf("Subject: (no subject)%s", nl);
1687 for (i=0; i<strlen(suser); ++i) {
1688 suser[i] = tolower(suser[i]);
1689 if (!isalnum(suser[i])) suser[i]='_';
1692 if (mode == MT_RFC822) {
1693 if (!strcasecmp(snode, NODENAME)) {
1694 safestrncpy(snode, FQDN, sizeof snode);
1697 /* Construct a fun message id */
1698 cprintf("Message-ID: <%s", mid);
1699 if (strchr(mid, '@')==NULL) {
1700 cprintf("@%s", snode);
1704 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
1705 cprintf("From: \"----\" <x@x.org>%s", nl);
1707 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
1708 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
1710 else if (strlen(fuser) > 0) {
1711 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
1714 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
1717 cprintf("Organization: %s%s", lnode, nl);
1719 /* Blank line signifying RFC822 end-of-headers */
1720 if (TheMessage->cm_format_type != FMT_RFC822) {
1725 /* end header processing loop ... at this point, we're in the text */
1727 if (headers_only == HEADERS_FAST) goto DONE;
1728 mptr = TheMessage->cm_fields['M'];
1730 /* Tell the client about the MIME parts in this message */
1731 if (TheMessage->cm_format_type == FMT_RFC822) {
1732 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1733 memset(&ma, 0, sizeof(struct ma_info));
1734 mime_parser(mptr, NULL,
1735 (do_proto ? *list_this_part : NULL),
1736 (do_proto ? *list_this_pref : NULL),
1737 (do_proto ? *list_this_suff : NULL),
1740 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1741 char *start_of_text = NULL;
1742 start_of_text = strstr(mptr, "\n\r\n");
1743 if (start_of_text == NULL) start_of_text = strstr(mptr, "\n\n");
1744 if (start_of_text == NULL) start_of_text = mptr;
1746 start_of_text = strstr(start_of_text, "\n");
1751 int nllen = strlen(nl);
1752 while (ch=*mptr, ch!=0) {
1758 ((headers_only == HEADERS_NONE) && (mptr >= start_of_text))
1759 || ((headers_only == HEADERS_ONLY) && (mptr < start_of_text))
1760 || ((headers_only != HEADERS_NONE) && (headers_only != HEADERS_ONLY))
1763 sprintf(&outbuf[outlen], "%s", nl);
1767 outbuf[outlen++] = ch;
1772 if (outlen > 1000) {
1773 client_write(outbuf, outlen);
1778 client_write(outbuf, outlen);
1786 if (headers_only == HEADERS_ONLY) {
1790 /* signify start of msg text */
1791 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1792 if (do_proto) cprintf("text\n");
1795 /* If the format type on disk is 1 (fixed-format), then we want
1796 * everything to be output completely literally ... regardless of
1797 * what message transfer format is in use.
1799 if (TheMessage->cm_format_type == FMT_FIXED) {
1800 if (mode == MT_MIME) {
1801 cprintf("Content-type: text/plain\n\n");
1804 while (ch = *mptr++, ch > 0) {
1807 if ((ch == 10) || (strlen(buf) > 250)) {
1808 cprintf("%s%s", buf, nl);
1811 buf[strlen(buf) + 1] = 0;
1812 buf[strlen(buf)] = ch;
1815 if (strlen(buf) > 0)
1816 cprintf("%s%s", buf, nl);
1819 /* If the message on disk is format 0 (Citadel vari-format), we
1820 * output using the formatter at 80 columns. This is the final output
1821 * form if the transfer format is RFC822, but if the transfer format
1822 * is Citadel proprietary, it'll still work, because the indentation
1823 * for new paragraphs is correct and the client will reformat the
1824 * message to the reader's screen width.
1826 if (TheMessage->cm_format_type == FMT_CITADEL) {
1827 if (mode == MT_MIME) {
1828 cprintf("Content-type: text/x-citadel-variformat\n\n");
1830 memfmout(mptr, 0, nl);
1833 /* If the message on disk is format 4 (MIME), we've gotta hand it
1834 * off to the MIME parser. The client has already been told that
1835 * this message is format 1 (fixed format), so the callback function
1836 * we use will display those parts as-is.
1838 if (TheMessage->cm_format_type == FMT_RFC822) {
1839 memset(&ma, 0, sizeof(struct ma_info));
1841 if (mode == MT_MIME) {
1842 ma.use_fo_hooks = 0;
1843 strcpy(ma.chosen_part, "1");
1844 ma.chosen_pref = 9999;
1845 mime_parser(mptr, NULL,
1846 *choose_preferred, *fixed_output_pre,
1847 *fixed_output_post, (void *)&ma, 0);
1848 mime_parser(mptr, NULL,
1849 *output_preferred, NULL, NULL, (void *)&ma, 0);
1852 ma.use_fo_hooks = 1;
1853 mime_parser(mptr, NULL,
1854 *fixed_output, *fixed_output_pre,
1855 *fixed_output_post, (void *)&ma, 0);
1860 DONE: /* now we're done */
1861 if (do_proto) cprintf("000\n");
1868 * display a message (mode 0 - Citadel proprietary)
1870 void cmd_msg0(char *cmdbuf)
1873 int headers_only = HEADERS_ALL;
1875 msgid = extract_long(cmdbuf, 0);
1876 headers_only = extract_int(cmdbuf, 1);
1878 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL);
1884 * display a message (mode 2 - RFC822)
1886 void cmd_msg2(char *cmdbuf)
1889 int headers_only = HEADERS_ALL;
1891 msgid = extract_long(cmdbuf, 0);
1892 headers_only = extract_int(cmdbuf, 1);
1894 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL);
1900 * display a message (mode 3 - IGnet raw format - internal programs only)
1902 void cmd_msg3(char *cmdbuf)
1905 struct CtdlMessage *msg;
1908 if (CC->internal_pgm == 0) {
1909 cprintf("%d This command is for internal programs only.\n",
1910 ERROR + HIGHER_ACCESS_REQUIRED);
1914 msgnum = extract_long(cmdbuf, 0);
1915 msg = CtdlFetchMessage(msgnum, 1);
1917 cprintf("%d Message %ld not found.\n",
1918 ERROR + MESSAGE_NOT_FOUND, msgnum);
1922 serialize_message(&smr, msg);
1923 CtdlFreeMessage(msg);
1926 cprintf("%d Unable to serialize message\n",
1927 ERROR + INTERNAL_ERROR);
1931 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1932 client_write((char *)smr.ser, (int)smr.len);
1939 * Display a message using MIME content types
1941 void cmd_msg4(char *cmdbuf)
1946 msgid = extract_long(cmdbuf, 0);
1947 extract_token(section, cmdbuf, 1, '|', sizeof section);
1948 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) );
1954 * Client tells us its preferred message format(s)
1956 void cmd_msgp(char *cmdbuf)
1958 safestrncpy(CC->preferred_formats, cmdbuf,
1959 sizeof(CC->preferred_formats));
1960 cprintf("%d ok\n", CIT_OK);
1965 * Open a component of a MIME message as a download file
1967 void cmd_opna(char *cmdbuf)
1970 char desired_section[128];
1972 msgid = extract_long(cmdbuf, 0);
1973 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
1974 safestrncpy(CC->download_desired_section, desired_section,
1975 sizeof CC->download_desired_section);
1976 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL);
1981 * Open a component of a MIME message and transmit it all at once
1983 void cmd_dlat(char *cmdbuf)
1986 char desired_section[128];
1988 msgid = extract_long(cmdbuf, 0);
1989 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
1990 safestrncpy(CC->download_desired_section, desired_section,
1991 sizeof CC->download_desired_section);
1992 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL);
1997 * Save one or more message pointers into a specified room
1998 * (Returns 0 for success, nonzero for failure)
1999 * roomname may be NULL to use the current room
2001 * Note that the 'supplied_msg' field may be set to NULL, in which case
2002 * the message will be fetched from disk, by number, if we need to perform
2003 * replication checks. This adds an additional database read, so if the
2004 * caller already has the message in memory then it should be supplied. (Obviously
2005 * this mode of operation only works if we're saving a single message.)
2007 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2008 int do_repl_check, struct CtdlMessage *supplied_msg)
2011 char hold_rm[ROOMNAMELEN];
2012 struct cdbdata *cdbfr;
2015 long highest_msg = 0L;
2018 struct CtdlMessage *msg = NULL;
2020 long *msgs_to_be_merged = NULL;
2021 int num_msgs_to_be_merged = 0;
2024 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d)\n",
2025 roomname, num_newmsgs, do_repl_check);
2027 strcpy(hold_rm, CC->room.QRname);
2030 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2031 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2032 if (num_newmsgs > 1) supplied_msg = NULL;
2034 /* Now the regular stuff */
2035 if (lgetroom(&CC->room,
2036 ((roomname != NULL) ? roomname : CC->room.QRname) )
2038 lprintf(CTDL_ERR, "No such room <%s>\n", roomname);
2039 return(ERROR + ROOM_NOT_FOUND);
2043 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2044 num_msgs_to_be_merged = 0;
2047 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2048 if (cdbfr == NULL) {
2052 msglist = (long *) cdbfr->ptr;
2053 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2054 num_msgs = cdbfr->len / sizeof(long);
2059 /* Create a list of msgid's which were supplied by the caller, but do
2060 * not already exist in the target room. It is absolutely taboo to
2061 * have more than one reference to the same message in a room.
2063 for (i=0; i<num_newmsgs; ++i) {
2065 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2066 if (msglist[j] == newmsgidlist[i]) {
2071 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2075 lprintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2078 * Now merge the new messages
2080 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2081 if (msglist == NULL) {
2082 lprintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2084 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2085 num_msgs += num_msgs_to_be_merged;
2087 /* Sort the message list, so all the msgid's are in order */
2088 num_msgs = sort_msglist(msglist, num_msgs);
2090 /* Determine the highest message number */
2091 highest_msg = msglist[num_msgs - 1];
2093 /* Write it back to disk. */
2094 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2095 msglist, (int)(num_msgs * sizeof(long)));
2097 /* Free up the memory we used. */
2100 /* Update the highest-message pointer and unlock the room. */
2101 CC->room.QRhighest = highest_msg;
2102 lputroom(&CC->room);
2104 /* Perform replication checks if necessary */
2105 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2106 lprintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2108 for (i=0; i<num_msgs_to_be_merged; ++i) {
2109 msgid = msgs_to_be_merged[i];
2111 if (supplied_msg != NULL) {
2115 msg = CtdlFetchMessage(msgid, 0);
2119 ReplicationChecks(msg);
2121 /* If the message has an Exclusive ID, index that... */
2122 if (msg->cm_fields['E'] != NULL) {
2123 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2126 /* Free up the memory we may have allocated */
2127 if (msg != supplied_msg) {
2128 CtdlFreeMessage(msg);
2136 lprintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2139 /* Submit this room for net processing */
2140 network_queue_room(&CC->room, NULL);
2142 #ifdef HAVE_LIBSIEVE
2143 /* If this is someone's inbox, submit the room for sieve processing */
2144 if (!strcasecmp(&CC->room.QRname[11], MAILROOM)) {
2145 sieve_queue_room(&CC->room);
2147 #endif /* HAVE_LIBSIEVE */
2149 /* Go back to the room we were in before we wandered here... */
2150 getroom(&CC->room, hold_rm);
2152 /* Bump the reference count for all messages which were merged */
2153 for (i=0; i<num_msgs_to_be_merged; ++i) {
2154 AdjRefCount(msgs_to_be_merged[i], +1);
2157 /* Free up memory... */
2158 if (msgs_to_be_merged != NULL) {
2159 free(msgs_to_be_merged);
2162 /* Return success. */
2168 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2171 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2172 int do_repl_check, struct CtdlMessage *supplied_msg)
2174 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg);
2181 * Message base operation to save a new message to the message store
2182 * (returns new message number)
2184 * This is the back end for CtdlSubmitMsg() and should not be directly
2185 * called by server-side modules.
2188 long send_message(struct CtdlMessage *msg) {
2196 /* Get a new message number */
2197 newmsgid = get_new_message_number();
2198 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2200 /* Generate an ID if we don't have one already */
2201 if (msg->cm_fields['I']==NULL) {
2202 msg->cm_fields['I'] = strdup(msgidbuf);
2205 /* If the message is big, set its body aside for storage elsewhere */
2206 if (msg->cm_fields['M'] != NULL) {
2207 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2209 holdM = msg->cm_fields['M'];
2210 msg->cm_fields['M'] = NULL;
2214 /* Serialize our data structure for storage in the database */
2215 serialize_message(&smr, msg);
2218 msg->cm_fields['M'] = holdM;
2222 cprintf("%d Unable to serialize message\n",
2223 ERROR + INTERNAL_ERROR);
2227 /* Write our little bundle of joy into the message base */
2228 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2229 smr.ser, smr.len) < 0) {
2230 lprintf(CTDL_ERR, "Can't store message\n");
2234 cdb_store(CDB_BIGMSGS,
2244 /* Free the memory we used for the serialized message */
2247 /* Return the *local* message ID to the caller
2248 * (even if we're storing an incoming network message)
2256 * Serialize a struct CtdlMessage into the format used on disk and network.
2258 * This function loads up a "struct ser_ret" (defined in server.h) which
2259 * contains the length of the serialized message and a pointer to the
2260 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2262 void serialize_message(struct ser_ret *ret, /* return values */
2263 struct CtdlMessage *msg) /* unserialized msg */
2265 size_t wlen, fieldlen;
2267 static char *forder = FORDER;
2270 * Check for valid message format
2272 if (is_valid_message(msg) == 0) {
2273 lprintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2280 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2281 ret->len = ret->len +
2282 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2284 ret->ser = malloc(ret->len);
2285 if (ret->ser == NULL) {
2286 lprintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2287 (long)ret->len, strerror(errno));
2294 ret->ser[1] = msg->cm_anon_type;
2295 ret->ser[2] = msg->cm_format_type;
2298 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2299 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2300 ret->ser[wlen++] = (char)forder[i];
2301 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2302 wlen = wlen + fieldlen + 1;
2304 if (ret->len != wlen) lprintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2305 (long)ret->len, (long)wlen);
2313 * Check to see if any messages already exist in the current room which
2314 * carry the same Exclusive ID as this one. If any are found, delete them.
2316 void ReplicationChecks(struct CtdlMessage *msg) {
2317 long old_msgnum = (-1L);
2319 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2321 lprintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2324 /* No exclusive id? Don't do anything. */
2325 if (msg == NULL) return;
2326 if (msg->cm_fields['E'] == NULL) return;
2327 if (strlen(msg->cm_fields['E']) == 0) return;
2328 /*lprintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2329 msg->cm_fields['E'], CC->room.QRname);*/
2331 old_msgnum = locate_message_by_euid(msg->cm_fields['E'], &CC->room);
2332 if (old_msgnum > 0L) {
2333 lprintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2334 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2341 * Save a message to disk and submit it into the delivery system.
2343 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2344 struct recptypes *recps, /* recipients (if mail) */
2345 char *force /* force a particular room? */
2347 char submit_filename[128];
2348 char generated_timestamp[32];
2349 char hold_rm[ROOMNAMELEN];
2350 char actual_rm[ROOMNAMELEN];
2351 char force_room[ROOMNAMELEN];
2352 char content_type[SIZ]; /* We have to learn this */
2353 char recipient[SIZ];
2356 struct ctdluser userbuf;
2358 struct MetaData smi;
2359 FILE *network_fp = NULL;
2360 static int seqnum = 1;
2361 struct CtdlMessage *imsg = NULL;
2364 char *hold_R, *hold_D;
2365 char *collected_addresses = NULL;
2366 struct addresses_to_be_filed *aptr = NULL;
2367 char *saved_rfc822_version = NULL;
2368 int qualified_for_journaling = 0;
2370 lprintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2371 if (is_valid_message(msg) == 0) return(-1); /* self check */
2373 /* If this message has no timestamp, we take the liberty of
2374 * giving it one, right now.
2376 if (msg->cm_fields['T'] == NULL) {
2377 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2378 msg->cm_fields['T'] = strdup(generated_timestamp);
2381 /* If this message has no path, we generate one.
2383 if (msg->cm_fields['P'] == NULL) {
2384 if (msg->cm_fields['A'] != NULL) {
2385 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2386 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
2387 if (isspace(msg->cm_fields['P'][a])) {
2388 msg->cm_fields['P'][a] = ' ';
2393 msg->cm_fields['P'] = strdup("unknown");
2397 if (force == NULL) {
2398 strcpy(force_room, "");
2401 strcpy(force_room, force);
2404 /* Learn about what's inside, because it's what's inside that counts */
2405 if (msg->cm_fields['M'] == NULL) {
2406 lprintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2410 switch (msg->cm_format_type) {
2412 strcpy(content_type, "text/x-citadel-variformat");
2415 strcpy(content_type, "text/plain");
2418 strcpy(content_type, "text/plain");
2419 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type: ");
2421 safestrncpy(content_type, &mptr[14],
2422 sizeof content_type);
2423 for (a = 0; a < strlen(content_type); ++a) {
2424 if ((content_type[a] == ';')
2425 || (content_type[a] == ' ')
2426 || (content_type[a] == 13)
2427 || (content_type[a] == 10)) {
2428 content_type[a] = 0;
2434 /* Goto the correct room */
2435 lprintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CC->room.QRname : SENTITEMS);
2436 strcpy(hold_rm, CC->room.QRname);
2437 strcpy(actual_rm, CC->room.QRname);
2438 if (recps != NULL) {
2439 strcpy(actual_rm, SENTITEMS);
2442 /* If the user is a twit, move to the twit room for posting */
2444 if (CC->user.axlevel == 2) {
2445 strcpy(hold_rm, actual_rm);
2446 strcpy(actual_rm, config.c_twitroom);
2447 lprintf(CTDL_DEBUG, "Diverting to twit room\n");
2451 /* ...or if this message is destined for Aide> then go there. */
2452 if (strlen(force_room) > 0) {
2453 strcpy(actual_rm, force_room);
2456 lprintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2457 if (strcasecmp(actual_rm, CC->room.QRname)) {
2458 /* getroom(&CC->room, actual_rm); */
2459 usergoto(actual_rm, 0, 1, NULL, NULL);
2463 * If this message has no O (room) field, generate one.
2465 if (msg->cm_fields['O'] == NULL) {
2466 msg->cm_fields['O'] = strdup(CC->room.QRname);
2469 /* Perform "before save" hooks (aborting if any return nonzero) */
2470 lprintf(CTDL_DEBUG, "Performing before-save hooks\n");
2471 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2474 * If this message has an Exclusive ID, and the room is replication
2475 * checking enabled, then do replication checks.
2477 if (DoesThisRoomNeedEuidIndexing(&CC->room)) {
2478 ReplicationChecks(msg);
2481 /* Save it to disk */
2482 lprintf(CTDL_DEBUG, "Saving to disk\n");
2483 newmsgid = send_message(msg);
2484 if (newmsgid <= 0L) return(-5);
2486 /* Write a supplemental message info record. This doesn't have to
2487 * be a critical section because nobody else knows about this message
2490 lprintf(CTDL_DEBUG, "Creating MetaData record\n");
2491 memset(&smi, 0, sizeof(struct MetaData));
2492 smi.meta_msgnum = newmsgid;
2493 smi.meta_refcount = 0;
2494 safestrncpy(smi.meta_content_type, content_type,
2495 sizeof smi.meta_content_type);
2498 * Measure how big this message will be when rendered as RFC822.
2499 * We do this for two reasons:
2500 * 1. We need the RFC822 length for the new metadata record, so the
2501 * POP and IMAP services don't have to calculate message lengths
2502 * while the user is waiting (multiplied by potentially hundreds
2503 * or thousands of messages).
2504 * 2. If journaling is enabled, we will need an RFC822 version of the
2505 * message to attach to the journalized copy.
2507 if (CC->redirect_buffer != NULL) {
2508 lprintf(CTDL_ALERT, "CC->redirect_buffer is not NULL during message submission!\n");
2511 CC->redirect_buffer = malloc(SIZ);
2512 CC->redirect_len = 0;
2513 CC->redirect_alloc = SIZ;
2514 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1);
2515 smi.meta_rfc822_length = CC->redirect_len;
2516 saved_rfc822_version = CC->redirect_buffer;
2517 CC->redirect_buffer = NULL;
2518 CC->redirect_len = 0;
2519 CC->redirect_alloc = 0;
2523 /* Now figure out where to store the pointers */
2524 lprintf(CTDL_DEBUG, "Storing pointers\n");
2526 /* If this is being done by the networker delivering a private
2527 * message, we want to BYPASS saving the sender's copy (because there
2528 * is no local sender; it would otherwise go to the Trashcan).
2530 if ((!CC->internal_pgm) || (recps == NULL)) {
2531 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2532 lprintf(CTDL_ERR, "ERROR saving message pointer!\n");
2533 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2537 /* For internet mail, drop a copy in the outbound queue room */
2539 if (recps->num_internet > 0) {
2540 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2543 /* If other rooms are specified, drop them there too. */
2545 if (recps->num_room > 0)
2546 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2547 extract_token(recipient, recps->recp_room, i,
2548 '|', sizeof recipient);
2549 lprintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2550 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2553 /* Bump this user's messages posted counter. */
2554 lprintf(CTDL_DEBUG, "Updating user\n");
2555 lgetuser(&CC->user, CC->curr_user);
2556 CC->user.posted = CC->user.posted + 1;
2557 lputuser(&CC->user);
2559 /* If this is private, local mail, make a copy in the
2560 * recipient's mailbox and bump the reference count.
2563 if (recps->num_local > 0)
2564 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2565 extract_token(recipient, recps->recp_local, i,
2566 '|', sizeof recipient);
2567 lprintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2569 if (getuser(&userbuf, recipient) == 0) {
2570 MailboxName(actual_rm, sizeof actual_rm,
2571 &userbuf, MAILROOM);
2572 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2573 BumpNewMailCounter(userbuf.usernum);
2576 lprintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2577 CtdlSaveMsgPointerInRoom(config.c_aideroom,
2582 /* Perform "after save" hooks */
2583 lprintf(CTDL_DEBUG, "Performing after-save hooks\n");
2584 PerformMessageHooks(msg, EVT_AFTERSAVE);
2586 /* For IGnet mail, we have to save a new copy into the spooler for
2587 * each recipient, with the R and D fields set to the recipient and
2588 * destination-node. This has two ugly side effects: all other
2589 * recipients end up being unlisted in this recipient's copy of the
2590 * message, and it has to deliver multiple messages to the same
2591 * node. We'll revisit this again in a year or so when everyone has
2592 * a network spool receiver that can handle the new style messages.
2595 if (recps->num_ignet > 0)
2596 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2597 extract_token(recipient, recps->recp_ignet, i,
2598 '|', sizeof recipient);
2600 hold_R = msg->cm_fields['R'];
2601 hold_D = msg->cm_fields['D'];
2602 msg->cm_fields['R'] = malloc(SIZ);
2603 msg->cm_fields['D'] = malloc(128);
2604 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
2605 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
2607 serialize_message(&smr, msg);
2609 snprintf(submit_filename, sizeof submit_filename,
2610 "%s/netmail.%04lx.%04x.%04x",
2612 (long) getpid(), CC->cs_pid, ++seqnum);
2613 network_fp = fopen(submit_filename, "wb+");
2614 if (network_fp != NULL) {
2615 fwrite(smr.ser, smr.len, 1, network_fp);
2621 free(msg->cm_fields['R']);
2622 free(msg->cm_fields['D']);
2623 msg->cm_fields['R'] = hold_R;
2624 msg->cm_fields['D'] = hold_D;
2627 /* Go back to the room we started from */
2628 lprintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2629 if (strcasecmp(hold_rm, CC->room.QRname))
2630 /* getroom(&CC->room, hold_rm); */
2631 usergoto(hold_rm, 0, 1, NULL, NULL);
2633 /* For internet mail, generate delivery instructions.
2634 * Yes, this is recursive. Deal with it. Infinite recursion does
2635 * not happen because the delivery instructions message does not
2636 * contain a recipient.
2639 if (recps->num_internet > 0) {
2640 lprintf(CTDL_DEBUG, "Generating delivery instructions\n");
2641 instr = malloc(SIZ * 2);
2642 snprintf(instr, SIZ * 2,
2643 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2645 SPOOLMIME, newmsgid, (long)time(NULL),
2646 msg->cm_fields['A'], msg->cm_fields['N']
2649 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2650 size_t tmp = strlen(instr);
2651 extract_token(recipient, recps->recp_internet,
2652 i, '|', sizeof recipient);
2653 snprintf(&instr[tmp], SIZ * 2 - tmp,
2654 "remote|%s|0||\n", recipient);
2657 imsg = malloc(sizeof(struct CtdlMessage));
2658 memset(imsg, 0, sizeof(struct CtdlMessage));
2659 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2660 imsg->cm_anon_type = MES_NORMAL;
2661 imsg->cm_format_type = FMT_RFC822;
2662 imsg->cm_fields['A'] = strdup("Citadel");
2663 imsg->cm_fields['J'] = strdup("do not journal");
2664 imsg->cm_fields['M'] = instr;
2665 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2666 CtdlFreeMessage(imsg);
2670 * Any addresses to harvest for someone's address book?
2672 if ( (CC->logged_in) && (recps != NULL) ) {
2673 collected_addresses = harvest_collected_addresses(msg);
2676 if (collected_addresses != NULL) {
2677 begin_critical_section(S_ATBF);
2678 aptr = (struct addresses_to_be_filed *)
2679 malloc(sizeof(struct addresses_to_be_filed));
2681 MailboxName(actual_rm, sizeof actual_rm,
2682 &CC->user, USERCONTACTSROOM);
2683 aptr->roomname = strdup(actual_rm);
2684 aptr->collected_addresses = collected_addresses;
2686 end_critical_section(S_ATBF);
2690 * Determine whether this message qualifies for journaling.
2692 if (msg->cm_fields['J'] != NULL) {
2693 qualified_for_journaling = 0;
2696 if (recps == NULL) {
2697 qualified_for_journaling = config.c_journal_pubmsgs;
2699 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
2700 qualified_for_journaling = config.c_journal_email;
2703 qualified_for_journaling = config.c_journal_pubmsgs;
2708 * Do we have to perform journaling? If so, hand off the saved
2709 * RFC822 version will be handed off to the journaler for background
2710 * submit. Otherwise, we have to free the memory ourselves.
2712 if (saved_rfc822_version != NULL) {
2713 if (qualified_for_journaling) {
2714 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
2717 free(saved_rfc822_version);
2730 * Convenience function for generating small administrative messages.
2732 void quickie_message(char *from, char *fromaddr, char *to, char *room, char *text,
2733 int format_type, char *subject)
2735 struct CtdlMessage *msg;
2736 struct recptypes *recp = NULL;
2738 msg = malloc(sizeof(struct CtdlMessage));
2739 memset(msg, 0, sizeof(struct CtdlMessage));
2740 msg->cm_magic = CTDLMESSAGE_MAGIC;
2741 msg->cm_anon_type = MES_NORMAL;
2742 msg->cm_format_type = format_type;
2745 msg->cm_fields['A'] = strdup(from);
2747 else if (fromaddr != NULL) {
2748 msg->cm_fields['A'] = strdup(fromaddr);
2749 if (strchr(msg->cm_fields['A'], '@')) {
2750 *strchr(msg->cm_fields['A'], '@') = 0;
2754 msg->cm_fields['A'] = strdup("Citadel");
2757 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
2758 if (room != NULL) msg->cm_fields['O'] = strdup(room);
2759 msg->cm_fields['N'] = strdup(NODENAME);
2761 msg->cm_fields['R'] = strdup(to);
2762 recp = validate_recipients(to);
2764 if (subject != NULL) {
2765 msg->cm_fields['U'] = strdup(subject);
2767 msg->cm_fields['M'] = strdup(text);
2769 CtdlSubmitMsg(msg, recp, room);
2770 CtdlFreeMessage(msg);
2771 if (recp != NULL) free(recp);
2777 * Back end function used by CtdlMakeMessage() and similar functions
2779 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2780 size_t maxlen, /* maximum message length */
2781 char *exist, /* if non-null, append to it;
2782 exist is ALWAYS freed */
2783 int crlf /* CRLF newlines instead of LF */
2787 size_t message_len = 0;
2788 size_t buffer_len = 0;
2795 if (exist == NULL) {
2802 message_len = strlen(exist);
2803 buffer_len = message_len + 4096;
2804 m = realloc(exist, buffer_len);
2811 /* Do we need to change leading ".." to "." for SMTP escaping? */
2812 if (!strcmp(terminator, ".")) {
2816 /* flush the input if we have nowhere to store it */
2821 /* read in the lines of message text one by one */
2823 if (client_getln(buf, (sizeof buf - 3)) < 1) finished = 1;
2824 if (!strcmp(buf, terminator)) finished = 1;
2826 strcat(buf, "\r\n");
2832 /* Unescape SMTP-style input of two dots at the beginning of the line */
2834 if (!strncmp(buf, "..", 2)) {
2835 strcpy(buf, &buf[1]);
2839 if ( (!flushing) && (!finished) ) {
2840 /* Measure the line */
2841 linelen = strlen(buf);
2843 /* augment the buffer if we have to */
2844 if ((message_len + linelen) >= buffer_len) {
2845 ptr = realloc(m, (buffer_len * 2) );
2846 if (ptr == NULL) { /* flush if can't allocate */
2849 buffer_len = (buffer_len * 2);
2851 lprintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
2855 /* Add the new line to the buffer. NOTE: this loop must avoid
2856 * using functions like strcat() and strlen() because they
2857 * traverse the entire buffer upon every call, and doing that
2858 * for a multi-megabyte message slows it down beyond usability.
2860 strcpy(&m[message_len], buf);
2861 message_len += linelen;
2864 /* if we've hit the max msg length, flush the rest */
2865 if (message_len >= maxlen) flushing = 1;
2867 } while (!finished);
2875 * Build a binary message to be saved on disk.
2876 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2877 * will become part of the message. This means you are no longer
2878 * responsible for managing that memory -- it will be freed along with
2879 * the rest of the fields when CtdlFreeMessage() is called.)
2882 struct CtdlMessage *CtdlMakeMessage(
2883 struct ctdluser *author, /* author's user structure */
2884 char *recipient, /* NULL if it's not mail */
2885 char *recp_cc, /* NULL if it's not mail */
2886 char *room, /* room where it's going */
2887 int type, /* see MES_ types in header file */
2888 int format_type, /* variformat, plain text, MIME... */
2889 char *fake_name, /* who we're masquerading as */
2890 char *subject, /* Subject (optional) */
2891 char *supplied_euid, /* ...or NULL if this is irrelevant */
2892 char *preformatted_text /* ...or NULL to read text from client */
2894 char dest_node[SIZ];
2896 struct CtdlMessage *msg;
2898 msg = malloc(sizeof(struct CtdlMessage));
2899 memset(msg, 0, sizeof(struct CtdlMessage));
2900 msg->cm_magic = CTDLMESSAGE_MAGIC;
2901 msg->cm_anon_type = type;
2902 msg->cm_format_type = format_type;
2904 /* Don't confuse the poor folks if it's not routed mail. */
2905 strcpy(dest_node, "");
2910 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2911 msg->cm_fields['P'] = strdup(buf);
2913 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2914 msg->cm_fields['T'] = strdup(buf);
2916 if (fake_name[0]) /* author */
2917 msg->cm_fields['A'] = strdup(fake_name);
2919 msg->cm_fields['A'] = strdup(author->fullname);
2921 if (CC->room.QRflags & QR_MAILBOX) { /* room */
2922 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
2925 msg->cm_fields['O'] = strdup(CC->room.QRname);
2928 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
2929 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
2931 if (recipient[0] != 0) {
2932 msg->cm_fields['R'] = strdup(recipient);
2934 if (recp_cc[0] != 0) {
2935 msg->cm_fields['Y'] = strdup(recp_cc);
2937 if (dest_node[0] != 0) {
2938 msg->cm_fields['D'] = strdup(dest_node);
2941 if ( (author == &CC->user) && (strlen(CC->cs_inet_email) > 0) ) {
2942 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
2945 if (subject != NULL) {
2948 length = strlen(subject);
2954 while ((subject[i] != '\0') &&
2955 (IsAscii = isascii(subject[i]) != 0 ))
2958 msg->cm_fields['U'] = strdup(subject);
2959 else /* ok, we've got utf8 in the string. */
2961 msg->cm_fields['U'] = rfc2047encode(subject, length);
2967 if (supplied_euid != NULL) {
2968 msg->cm_fields['E'] = strdup(supplied_euid);
2971 if (preformatted_text != NULL) {
2972 msg->cm_fields['M'] = preformatted_text;
2975 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2976 config.c_maxmsglen, NULL, 0);
2984 * Check to see whether we have permission to post a message in the current
2985 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2986 * returns 0 on success.
2988 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2991 if (!(CC->logged_in)) {
2992 snprintf(errmsgbuf, n, "Not logged in.");
2993 return (ERROR + NOT_LOGGED_IN);
2996 if ((CC->user.axlevel < 2)
2997 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
2998 snprintf(errmsgbuf, n, "Need to be validated to enter "
2999 "(except in %s> to sysop)", MAILROOM);
3000 return (ERROR + HIGHER_ACCESS_REQUIRED);
3003 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3004 if (!(ra & UA_POSTALLOWED)) {
3005 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3006 return (ERROR + HIGHER_ACCESS_REQUIRED);
3009 strcpy(errmsgbuf, "Ok");
3015 * Check to see if the specified user has Internet mail permission
3016 * (returns nonzero if permission is granted)
3018 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3020 /* Do not allow twits to send Internet mail */
3021 if (who->axlevel <= 2) return(0);
3023 /* Globally enabled? */
3024 if (config.c_restrict == 0) return(1);
3026 /* User flagged ok? */
3027 if (who->flags & US_INTERNET) return(2);
3029 /* Aide level access? */
3030 if (who->axlevel >= 6) return(3);
3032 /* No mail for you! */
3038 * Validate recipients, count delivery types and errors, and handle aliasing
3039 * FIXME check for dupes!!!!!
3040 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3041 * were specified, or the number of addresses found invalid.
3042 * caller needs to free the result.
3044 struct recptypes *validate_recipients(char *supplied_recipients) {
3045 struct recptypes *ret;
3046 char recipients[SIZ];
3047 char this_recp[256];
3048 char this_recp_cooked[256];
3054 struct ctdluser tempUS;
3055 struct ctdlroom tempQR;
3059 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3060 if (ret == NULL) return(NULL);
3061 memset(ret, 0, sizeof(struct recptypes));
3064 ret->num_internet = 0;
3069 if (supplied_recipients == NULL) {
3070 strcpy(recipients, "");
3073 safestrncpy(recipients, supplied_recipients, sizeof recipients);
3076 /* Change all valid separator characters to commas */
3077 for (i=0; i<strlen(recipients); ++i) {
3078 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3079 recipients[i] = ',';
3083 /* Now start extracting recipients... */
3085 while (strlen(recipients) > 0) {
3087 for (i=0; i<=strlen(recipients); ++i) {
3088 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3089 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3090 safestrncpy(this_recp, recipients, i+1);
3092 if (recipients[i] == ',') {
3093 strcpy(recipients, &recipients[i+1]);
3096 strcpy(recipients, "");
3103 lprintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3105 mailtype = alias(this_recp);
3106 mailtype = alias(this_recp);
3107 mailtype = alias(this_recp);
3108 for (j=0; j<=strlen(this_recp); ++j) {
3109 if (this_recp[j]=='_') {
3110 this_recp_cooked[j] = ' ';
3113 this_recp_cooked[j] = this_recp[j];
3119 if (!strcasecmp(this_recp, "sysop")) {
3121 strcpy(this_recp, config.c_aideroom);
3122 if (strlen(ret->recp_room) > 0) {
3123 strcat(ret->recp_room, "|");
3125 strcat(ret->recp_room, this_recp);
3127 else if (getuser(&tempUS, this_recp) == 0) {
3129 strcpy(this_recp, tempUS.fullname);
3130 if (strlen(ret->recp_local) > 0) {
3131 strcat(ret->recp_local, "|");
3133 strcat(ret->recp_local, this_recp);
3135 else if (getuser(&tempUS, this_recp_cooked) == 0) {
3137 strcpy(this_recp, tempUS.fullname);
3138 if (strlen(ret->recp_local) > 0) {
3139 strcat(ret->recp_local, "|");
3141 strcat(ret->recp_local, this_recp);
3143 else if ( (!strncasecmp(this_recp, "room_", 5))
3144 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
3146 if (strlen(ret->recp_room) > 0) {
3147 strcat(ret->recp_room, "|");
3149 strcat(ret->recp_room, &this_recp_cooked[5]);
3157 /* Yes, you're reading this correctly: if the target
3158 * domain points back to the local system or an attached
3159 * Citadel directory, the address is invalid. That's
3160 * because if the address were valid, we would have
3161 * already translated it to a local address by now.
3163 if (IsDirectory(this_recp)) {
3168 ++ret->num_internet;
3169 if (strlen(ret->recp_internet) > 0) {
3170 strcat(ret->recp_internet, "|");
3172 strcat(ret->recp_internet, this_recp);
3177 if (strlen(ret->recp_ignet) > 0) {
3178 strcat(ret->recp_ignet, "|");
3180 strcat(ret->recp_ignet, this_recp);
3188 if (strlen(ret->errormsg) == 0) {
3189 snprintf(append, sizeof append,
3190 "Invalid recipient: %s",
3194 snprintf(append, sizeof append,
3197 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
3198 strcat(ret->errormsg, append);
3202 if (strlen(ret->display_recp) == 0) {
3203 strcpy(append, this_recp);
3206 snprintf(append, sizeof append, ", %s",
3209 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3210 strcat(ret->display_recp, append);
3215 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3216 ret->num_room + ret->num_error) == 0) {
3217 ret->num_error = (-1);
3218 strcpy(ret->errormsg, "No recipients specified.");
3221 lprintf(CTDL_DEBUG, "validate_recipients()\n");
3222 lprintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3223 lprintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3224 lprintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3225 lprintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3226 lprintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3234 * message entry - mode 0 (normal)
3236 void cmd_ent0(char *entargs)
3242 char supplied_euid[128];
3243 char masquerade_as[SIZ];
3245 int format_type = 0;
3246 char newusername[SIZ];
3247 struct CtdlMessage *msg;
3251 struct recptypes *valid = NULL;
3252 struct recptypes *valid_to = NULL;
3253 struct recptypes *valid_cc = NULL;
3254 struct recptypes *valid_bcc = NULL;
3261 post = extract_int(entargs, 0);
3262 extract_token(recp, entargs, 1, '|', sizeof recp);
3263 anon_flag = extract_int(entargs, 2);
3264 format_type = extract_int(entargs, 3);
3265 extract_token(subject, entargs, 4, '|', sizeof subject);
3266 do_confirm = extract_int(entargs, 6);
3267 extract_token(cc, entargs, 7, '|', sizeof cc);
3268 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3269 switch(CC->room.QRdefaultview) {
3272 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3275 supplied_euid[0] = 0;
3279 /* first check to make sure the request is valid. */
3281 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
3283 cprintf("%d %s\n", err, errmsg);
3287 /* Check some other permission type things. */
3290 if (CC->user.axlevel < 6) {
3291 cprintf("%d You don't have permission to masquerade.\n",
3292 ERROR + HIGHER_ACCESS_REQUIRED);
3295 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3296 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
3297 safestrncpy(CC->fake_postname, newusername,
3298 sizeof(CC->fake_postname) );
3299 cprintf("%d ok\n", CIT_OK);
3302 CC->cs_flags |= CS_POSTING;
3304 /* In the Mail> room we have to behave a little differently --
3305 * make sure the user has specified at least one recipient. Then
3306 * validate the recipient(s).
3308 if ( (CC->room.QRflags & QR_MAILBOX)
3309 && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) ) {
3311 if (CC->user.axlevel < 2) {
3312 strcpy(recp, "sysop");
3317 valid_to = validate_recipients(recp);
3318 if (valid_to->num_error > 0) {
3319 cprintf("%d Invalid recipient (To)\n", ERROR + NO_SUCH_USER);
3324 valid_cc = validate_recipients(cc);
3325 if (valid_cc->num_error > 0) {
3326 cprintf("%d Invalid recipient (CC)\n", ERROR + NO_SUCH_USER);
3332 valid_bcc = validate_recipients(bcc);
3333 if (valid_bcc->num_error > 0) {
3334 cprintf("%d Invalid recipient (BCC)\n", ERROR + NO_SUCH_USER);
3341 /* Recipient required, but none were specified */
3342 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
3346 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
3350 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
3351 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
3352 cprintf("%d You do not have permission "
3353 "to send Internet mail.\n",
3354 ERROR + HIGHER_ACCESS_REQUIRED);
3362 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)
3363 && (CC->user.axlevel < 4) ) {
3364 cprintf("%d Higher access required for network mail.\n",
3365 ERROR + HIGHER_ACCESS_REQUIRED);
3372 if ((RESTRICT_INTERNET == 1)
3373 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
3374 && ((CC->user.flags & US_INTERNET) == 0)
3375 && (!CC->internal_pgm)) {
3376 cprintf("%d You don't have access to Internet mail.\n",
3377 ERROR + HIGHER_ACCESS_REQUIRED);
3386 /* Is this a room which has anonymous-only or anonymous-option? */
3387 anonymous = MES_NORMAL;
3388 if (CC->room.QRflags & QR_ANONONLY) {
3389 anonymous = MES_ANONONLY;
3391 if (CC->room.QRflags & QR_ANONOPT) {
3392 if (anon_flag == 1) { /* only if the user requested it */
3393 anonymous = MES_ANONOPT;
3397 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
3401 /* If we're only checking the validity of the request, return
3402 * success without creating the message.
3405 cprintf("%d %s\n", CIT_OK,
3406 ((valid_to != NULL) ? valid_to->display_recp : "") );
3413 /* We don't need these anymore because we'll do it differently below */
3418 /* Handle author masquerading */
3419 if (CC->fake_postname[0]) {
3420 strcpy(masquerade_as, CC->fake_postname);
3422 else if (CC->fake_username[0]) {
3423 strcpy(masquerade_as, CC->fake_username);
3426 strcpy(masquerade_as, "");
3429 /* Read in the message from the client. */
3431 cprintf("%d send message\n", START_CHAT_MODE);
3433 cprintf("%d send message\n", SEND_LISTING);
3436 msg = CtdlMakeMessage(&CC->user, recp, cc,
3437 CC->room.QRname, anonymous, format_type,
3438 masquerade_as, subject,
3439 ((strlen(supplied_euid) > 0) ? supplied_euid : NULL),
3442 /* Put together one big recipients struct containing to/cc/bcc all in
3443 * one. This is for the envelope.
3445 char *all_recps = malloc(SIZ * 3);
3446 strcpy(all_recps, recp);
3447 if (strlen(cc) > 0) {
3448 if (strlen(all_recps) > 0) {
3449 strcat(all_recps, ",");
3451 strcat(all_recps, cc);
3453 if (strlen(bcc) > 0) {
3454 if (strlen(all_recps) > 0) {
3455 strcat(all_recps, ",");
3457 strcat(all_recps, bcc);
3459 if (strlen(all_recps) > 0) {
3460 valid = validate_recipients(all_recps);
3468 msgnum = CtdlSubmitMsg(msg, valid, "");
3471 cprintf("%ld\n", msgnum);
3473 cprintf("Message accepted.\n");
3476 cprintf("Internal error.\n");
3478 if (msg->cm_fields['E'] != NULL) {
3479 cprintf("%s\n", msg->cm_fields['E']);
3486 CtdlFreeMessage(msg);
3488 CC->fake_postname[0] = '\0';
3489 if (valid != NULL) {
3498 * API function to delete messages which match a set of criteria
3499 * (returns the actual number of messages deleted)
3501 int CtdlDeleteMessages(char *room_name, /* which room */
3502 long *dmsgnums, /* array of msg numbers to be deleted */
3503 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
3504 char *content_type /* or "" for any */
3508 struct ctdlroom qrbuf;
3509 struct cdbdata *cdbfr;
3510 long *msglist = NULL;
3511 long *dellist = NULL;
3514 int num_deleted = 0;
3516 struct MetaData smi;
3518 lprintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
3519 room_name, num_dmsgnums, content_type);
3521 /* get room record, obtaining a lock... */
3522 if (lgetroom(&qrbuf, room_name) != 0) {
3523 lprintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
3525 return (0); /* room not found */
3527 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
3529 if (cdbfr != NULL) {
3530 dellist = malloc(cdbfr->len);
3531 msglist = (long *) cdbfr->ptr;
3532 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
3533 num_msgs = cdbfr->len / sizeof(long);
3537 for (i = 0; i < num_msgs; ++i) {
3540 /* Set/clear a bit for each criterion */
3542 /* 0 messages in the list or a null list means that we are
3543 * interested in deleting any messages which meet the other criteria.
3545 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
3546 delete_this |= 0x01;
3549 for (j=0; j<num_dmsgnums; ++j) {
3550 if (msglist[i] == dmsgnums[j]) {
3551 delete_this |= 0x01;
3556 if (strlen(content_type) == 0) {
3557 delete_this |= 0x02;
3559 GetMetaData(&smi, msglist[i]);
3560 if (!strcasecmp(smi.meta_content_type,
3562 delete_this |= 0x02;
3566 /* Delete message only if all bits are set */
3567 if (delete_this == 0x03) {
3568 dellist[num_deleted++] = msglist[i];
3573 num_msgs = sort_msglist(msglist, num_msgs);
3574 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
3575 msglist, (int)(num_msgs * sizeof(long)));
3577 qrbuf.QRhighest = msglist[num_msgs - 1];
3581 /* Go through the messages we pulled out of the index, and decrement
3582 * their reference counts by 1. If this is the only room the message
3583 * was in, the reference count will reach zero and the message will
3584 * automatically be deleted from the database. We do this in a
3585 * separate pass because there might be plug-in hooks getting called,
3586 * and we don't want that happening during an S_ROOMS critical
3589 if (num_deleted) for (i=0; i<num_deleted; ++i) {
3590 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
3591 AdjRefCount(dellist[i], -1);
3594 /* Now free the memory we used, and go away. */
3595 if (msglist != NULL) free(msglist);
3596 if (dellist != NULL) free(dellist);
3597 lprintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
3598 return (num_deleted);
3604 * Check whether the current user has permission to delete messages from
3605 * the current room (returns 1 for yes, 0 for no)
3607 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
3608 getuser(&CC->user, CC->curr_user);
3609 if ((CC->user.axlevel < 6)
3610 && (CC->user.usernum != CC->room.QRroomaide)
3611 && ((CC->room.QRflags & QR_MAILBOX) == 0)
3612 && (!(CC->internal_pgm))) {
3621 * Delete message from current room
3623 void cmd_dele(char *args)
3632 extract_token(msgset, args, 0, '|', sizeof msgset);
3633 num_msgs = num_tokens(msgset, ',');
3635 cprintf("%d Nothing to do.\n", CIT_OK);
3639 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
3640 cprintf("%d Higher access required.\n",
3641 ERROR + HIGHER_ACCESS_REQUIRED);
3646 * Build our message set to be moved/copied
3648 msgs = malloc(num_msgs * sizeof(long));
3649 for (i=0; i<num_msgs; ++i) {
3650 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
3651 msgs[i] = atol(msgtok);
3654 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
3658 cprintf("%d %d message%s deleted.\n", CIT_OK,
3659 num_deleted, ((num_deleted != 1) ? "s" : ""));
3661 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
3667 * Back end API function for moves and deletes (multiple messages)
3669 int CtdlCopyMsgsToRoom(long *msgnums, int num_msgs, char *dest) {
3672 err = CtdlSaveMsgPointersInRoom(dest, msgnums, num_msgs, 1, NULL);
3673 if (err != 0) return(err);
3682 * move or copy a message to another room
3684 void cmd_move(char *args)
3691 char targ[ROOMNAMELEN];
3692 struct ctdlroom qtemp;
3699 extract_token(msgset, args, 0, '|', sizeof msgset);
3700 num_msgs = num_tokens(msgset, ',');
3702 cprintf("%d Nothing to do.\n", CIT_OK);
3706 extract_token(targ, args, 1, '|', sizeof targ);
3707 convert_room_name_macros(targ, sizeof targ);
3708 targ[ROOMNAMELEN - 1] = 0;
3709 is_copy = extract_int(args, 2);
3711 if (getroom(&qtemp, targ) != 0) {
3712 cprintf("%d '%s' does not exist.\n",
3713 ERROR + ROOM_NOT_FOUND, targ);
3717 getuser(&CC->user, CC->curr_user);
3718 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
3720 /* Check for permission to perform this operation.
3721 * Remember: "CC->room" is source, "qtemp" is target.
3725 /* Aides can move/copy */
3726 if (CC->user.axlevel >= 6) permit = 1;
3728 /* Room aides can move/copy */
3729 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
3731 /* Permit move/copy from personal rooms */
3732 if ((CC->room.QRflags & QR_MAILBOX)
3733 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3735 /* Permit only copy from public to personal room */
3737 && (!(CC->room.QRflags & QR_MAILBOX))
3738 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3740 /* User must have access to target room */
3741 if (!(ra & UA_KNOWN)) permit = 0;
3744 cprintf("%d Higher access required.\n",
3745 ERROR + HIGHER_ACCESS_REQUIRED);
3750 * Build our message set to be moved/copied
3752 msgs = malloc(num_msgs * sizeof(long));
3753 for (i=0; i<num_msgs; ++i) {
3754 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
3755 msgs[i] = atol(msgtok);
3761 err = CtdlCopyMsgsToRoom(msgs, num_msgs, targ);
3763 cprintf("%d Cannot store message(s) in %s: error %d\n",
3769 /* Now delete the message from the source room,
3770 * if this is a 'move' rather than a 'copy' operation.
3773 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
3777 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
3783 * GetMetaData() - Get the supplementary record for a message
3785 void GetMetaData(struct MetaData *smibuf, long msgnum)
3788 struct cdbdata *cdbsmi;
3791 memset(smibuf, 0, sizeof(struct MetaData));
3792 smibuf->meta_msgnum = msgnum;
3793 smibuf->meta_refcount = 1; /* Default reference count is 1 */
3795 /* Use the negative of the message number for its supp record index */
3796 TheIndex = (0L - msgnum);
3798 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
3799 if (cdbsmi == NULL) {
3800 return; /* record not found; go with defaults */
3802 memcpy(smibuf, cdbsmi->ptr,
3803 ((cdbsmi->len > sizeof(struct MetaData)) ?
3804 sizeof(struct MetaData) : cdbsmi->len));
3811 * PutMetaData() - (re)write supplementary record for a message
3813 void PutMetaData(struct MetaData *smibuf)
3817 /* Use the negative of the message number for the metadata db index */
3818 TheIndex = (0L - smibuf->meta_msgnum);
3820 cdb_store(CDB_MSGMAIN,
3821 &TheIndex, (int)sizeof(long),
3822 smibuf, (int)sizeof(struct MetaData));
3827 * AdjRefCount - submit an adjustment to the reference count for a message.
3828 * (These are just queued -- we actually process them later.)
3830 void AdjRefCount(long msgnum, int incr)
3832 struct arcq new_arcq;
3834 begin_critical_section(S_SUPPMSGMAIN);
3835 if (arcfp == NULL) {
3836 arcfp = fopen(file_arcq, "ab+");
3838 end_critical_section(S_SUPPMSGMAIN);
3840 /* msgnum < 0 means that we're trying to close the file */
3842 lprintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
3843 begin_critical_section(S_SUPPMSGMAIN);
3844 if (arcfp != NULL) {
3848 end_critical_section(S_SUPPMSGMAIN);
3853 * If we can't open the queue, perform the operation synchronously.
3855 if (arcfp == NULL) {
3856 TDAP_AdjRefCount(msgnum, incr);
3860 new_arcq.arcq_msgnum = msgnum;
3861 new_arcq.arcq_delta = incr;
3862 fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
3870 * TDAP_ProcessAdjRefCountQueue()
3872 * Process the queue of message count adjustments that was created by calls
3873 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
3874 * for each one. This should be an "off hours" operation.
3876 int TDAP_ProcessAdjRefCountQueue(void)
3878 char file_arcq_temp[PATH_MAX];
3881 struct arcq arcq_rec;
3882 int num_records_processed = 0;
3884 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s2", file_arcq);
3886 begin_critical_section(S_SUPPMSGMAIN);
3887 if (arcfp != NULL) {
3892 r = link(file_arcq, file_arcq_temp);
3894 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3895 end_critical_section(S_SUPPMSGMAIN);
3896 return(num_records_processed);
3900 end_critical_section(S_SUPPMSGMAIN);
3902 fp = fopen(file_arcq_temp, "rb");
3904 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3905 return(num_records_processed);
3908 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
3909 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
3910 ++num_records_processed;
3914 r = unlink(file_arcq_temp);
3916 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3919 return(num_records_processed);
3925 * TDAP_AdjRefCount - adjust the reference count for a message.
3926 * This one does it "for real" because it's called by
3927 * the autopurger function that processes the queue
3928 * created by AdjRefCount(). If a message's reference
3929 * count becomes zero, we also delete the message from
3930 * disk and de-index it.
3932 void TDAP_AdjRefCount(long msgnum, int incr)
3935 struct MetaData smi;
3938 /* This is a *tight* critical section; please keep it that way, as
3939 * it may get called while nested in other critical sections.
3940 * Complicating this any further will surely cause deadlock!
3942 begin_critical_section(S_SUPPMSGMAIN);
3943 GetMetaData(&smi, msgnum);
3944 smi.meta_refcount += incr;
3946 end_critical_section(S_SUPPMSGMAIN);
3947 lprintf(CTDL_DEBUG, "msg %ld ref count delta %d, is now %d\n",
3948 msgnum, incr, smi.meta_refcount);
3950 /* If the reference count is now zero, delete the message
3951 * (and its supplementary record as well).
3953 if (smi.meta_refcount == 0) {
3954 lprintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
3956 /* Remove from fulltext index */
3957 if (config.c_enable_fulltext) {
3958 ft_index_message(msgnum, 0);
3961 /* Remove from message base */
3963 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
3964 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
3966 /* Remove metadata record */
3967 delnum = (0L - msgnum);
3968 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
3974 * Write a generic object to this room
3976 * Note: this could be much more efficient. Right now we use two temporary
3977 * files, and still pull the message into memory as with all others.
3979 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3980 char *content_type, /* MIME type of this object */
3981 char *tempfilename, /* Where to fetch it from */
3982 struct ctdluser *is_mailbox, /* Mailbox room? */
3983 int is_binary, /* Is encoding necessary? */
3984 int is_unique, /* Del others of this type? */
3985 unsigned int flags /* Internal save flags */
3990 struct ctdlroom qrbuf;
3991 char roomname[ROOMNAMELEN];
3992 struct CtdlMessage *msg;
3994 char *raw_message = NULL;
3995 char *encoded_message = NULL;
3996 off_t raw_length = 0;
3998 if (is_mailbox != NULL) {
3999 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4002 safestrncpy(roomname, req_room, sizeof(roomname));
4005 fp = fopen(tempfilename, "rb");
4007 lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
4008 tempfilename, strerror(errno));
4011 fseek(fp, 0L, SEEK_END);
4012 raw_length = ftell(fp);
4014 lprintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4016 raw_message = malloc((size_t)raw_length + 2);
4017 fread(raw_message, (size_t)raw_length, 1, fp);
4021 encoded_message = malloc((size_t)
4022 (((raw_length * 134) / 100) + 4096 ) );
4025 encoded_message = malloc((size_t)(raw_length + 4096));
4028 sprintf(encoded_message, "Content-type: %s\n", content_type);
4031 sprintf(&encoded_message[strlen(encoded_message)],
4032 "Content-transfer-encoding: base64\n\n"
4036 sprintf(&encoded_message[strlen(encoded_message)],
4037 "Content-transfer-encoding: 7bit\n\n"
4043 &encoded_message[strlen(encoded_message)],
4049 raw_message[raw_length] = 0;
4051 &encoded_message[strlen(encoded_message)],
4059 lprintf(CTDL_DEBUG, "Allocating\n");
4060 msg = malloc(sizeof(struct CtdlMessage));
4061 memset(msg, 0, sizeof(struct CtdlMessage));
4062 msg->cm_magic = CTDLMESSAGE_MAGIC;
4063 msg->cm_anon_type = MES_NORMAL;
4064 msg->cm_format_type = 4;
4065 msg->cm_fields['A'] = strdup(CC->user.fullname);
4066 msg->cm_fields['O'] = strdup(req_room);
4067 msg->cm_fields['N'] = strdup(config.c_nodename);
4068 msg->cm_fields['H'] = strdup(config.c_humannode);
4069 msg->cm_flags = flags;
4071 msg->cm_fields['M'] = encoded_message;
4073 /* Create the requested room if we have to. */
4074 if (getroom(&qrbuf, roomname) != 0) {
4075 create_room(roomname,
4076 ( (is_mailbox != NULL) ? 5 : 3 ),
4077 "", 0, 1, 0, VIEW_BBS);
4079 /* If the caller specified this object as unique, delete all
4080 * other objects of this type that are currently in the room.
4083 lprintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4084 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4087 /* Now write the data */
4088 CtdlSubmitMsg(msg, NULL, roomname);
4089 CtdlFreeMessage(msg);
4097 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4098 config_msgnum = msgnum;
4102 char *CtdlGetSysConfig(char *sysconfname) {
4103 char hold_rm[ROOMNAMELEN];
4106 struct CtdlMessage *msg;
4109 strcpy(hold_rm, CC->room.QRname);
4110 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
4111 getroom(&CC->room, hold_rm);
4116 /* We want the last (and probably only) config in this room */
4117 begin_critical_section(S_CONFIG);
4118 config_msgnum = (-1L);
4119 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4120 CtdlGetSysConfigBackend, NULL);
4121 msgnum = config_msgnum;
4122 end_critical_section(S_CONFIG);
4128 msg = CtdlFetchMessage(msgnum, 1);
4130 conf = strdup(msg->cm_fields['M']);
4131 CtdlFreeMessage(msg);
4138 getroom(&CC->room, hold_rm);
4140 if (conf != NULL) do {
4141 extract_token(buf, conf, 0, '\n', sizeof buf);
4142 strcpy(conf, &conf[strlen(buf)+1]);
4143 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
4148 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4149 char temp[PATH_MAX];
4152 CtdlMakeTempFileName(temp, sizeof temp);
4154 fp = fopen(temp, "w");
4155 if (fp == NULL) return;
4156 fprintf(fp, "%s", sysconfdata);
4159 /* this handy API function does all the work for us */
4160 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
4166 * Determine whether a given Internet address belongs to the current user
4168 int CtdlIsMe(char *addr, int addr_buf_len)
4170 struct recptypes *recp;
4173 recp = validate_recipients(addr);
4174 if (recp == NULL) return(0);
4176 if (recp->num_local == 0) {
4181 for (i=0; i<recp->num_local; ++i) {
4182 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4183 if (!strcasecmp(addr, CC->user.fullname)) {
4195 * Citadel protocol command to do the same
4197 void cmd_isme(char *argbuf) {
4200 if (CtdlAccessCheck(ac_logged_in)) return;
4201 extract_token(addr, argbuf, 0, '|', sizeof addr);
4203 if (CtdlIsMe(addr, sizeof addr)) {
4204 cprintf("%d %s\n", CIT_OK, addr);
4207 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);