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) {
2990 if (!(CC->logged_in)) {
2991 snprintf(errmsgbuf, n, "Not logged in.");
2992 return (ERROR + NOT_LOGGED_IN);
2995 if ((CC->user.axlevel < 2)
2996 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
2997 snprintf(errmsgbuf, n, "Need to be validated to enter "
2998 "(except in %s> to sysop)", MAILROOM);
2999 return (ERROR + HIGHER_ACCESS_REQUIRED);
3002 if ((CC->user.axlevel < 4)
3003 && (CC->room.QRflags & QR_NETWORK)) {
3004 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
3005 return (ERROR + HIGHER_ACCESS_REQUIRED);
3008 if ((CC->user.axlevel < 6)
3009 && (CC->room.QRflags & QR_READONLY)) {
3010 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
3011 return (ERROR + HIGHER_ACCESS_REQUIRED);
3014 strcpy(errmsgbuf, "Ok");
3020 * Check to see if the specified user has Internet mail permission
3021 * (returns nonzero if permission is granted)
3023 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3025 /* Do not allow twits to send Internet mail */
3026 if (who->axlevel <= 2) return(0);
3028 /* Globally enabled? */
3029 if (config.c_restrict == 0) return(1);
3031 /* User flagged ok? */
3032 if (who->flags & US_INTERNET) return(2);
3034 /* Aide level access? */
3035 if (who->axlevel >= 6) return(3);
3037 /* No mail for you! */
3043 * Validate recipients, count delivery types and errors, and handle aliasing
3044 * FIXME check for dupes!!!!!
3045 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3046 * were specified, or the number of addresses found invalid.
3047 * caller needs to free the result.
3049 struct recptypes *validate_recipients(char *supplied_recipients) {
3050 struct recptypes *ret;
3051 char recipients[SIZ];
3052 char this_recp[256];
3053 char this_recp_cooked[256];
3059 struct ctdluser tempUS;
3060 struct ctdlroom tempQR;
3064 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3065 if (ret == NULL) return(NULL);
3066 memset(ret, 0, sizeof(struct recptypes));
3069 ret->num_internet = 0;
3074 if (supplied_recipients == NULL) {
3075 strcpy(recipients, "");
3078 safestrncpy(recipients, supplied_recipients, sizeof recipients);
3081 /* Change all valid separator characters to commas */
3082 for (i=0; i<strlen(recipients); ++i) {
3083 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3084 recipients[i] = ',';
3088 /* Now start extracting recipients... */
3090 while (strlen(recipients) > 0) {
3092 for (i=0; i<=strlen(recipients); ++i) {
3093 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3094 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3095 safestrncpy(this_recp, recipients, i+1);
3097 if (recipients[i] == ',') {
3098 strcpy(recipients, &recipients[i+1]);
3101 strcpy(recipients, "");
3108 lprintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3110 mailtype = alias(this_recp);
3111 mailtype = alias(this_recp);
3112 mailtype = alias(this_recp);
3113 for (j=0; j<=strlen(this_recp); ++j) {
3114 if (this_recp[j]=='_') {
3115 this_recp_cooked[j] = ' ';
3118 this_recp_cooked[j] = this_recp[j];
3124 if (!strcasecmp(this_recp, "sysop")) {
3126 strcpy(this_recp, config.c_aideroom);
3127 if (strlen(ret->recp_room) > 0) {
3128 strcat(ret->recp_room, "|");
3130 strcat(ret->recp_room, this_recp);
3132 else if (getuser(&tempUS, this_recp) == 0) {
3134 strcpy(this_recp, tempUS.fullname);
3135 if (strlen(ret->recp_local) > 0) {
3136 strcat(ret->recp_local, "|");
3138 strcat(ret->recp_local, this_recp);
3140 else if (getuser(&tempUS, this_recp_cooked) == 0) {
3142 strcpy(this_recp, tempUS.fullname);
3143 if (strlen(ret->recp_local) > 0) {
3144 strcat(ret->recp_local, "|");
3146 strcat(ret->recp_local, this_recp);
3148 else if ( (!strncasecmp(this_recp, "room_", 5))
3149 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
3151 if (strlen(ret->recp_room) > 0) {
3152 strcat(ret->recp_room, "|");
3154 strcat(ret->recp_room, &this_recp_cooked[5]);
3162 /* Yes, you're reading this correctly: if the target
3163 * domain points back to the local system or an attached
3164 * Citadel directory, the address is invalid. That's
3165 * because if the address were valid, we would have
3166 * already translated it to a local address by now.
3168 if (IsDirectory(this_recp)) {
3173 ++ret->num_internet;
3174 if (strlen(ret->recp_internet) > 0) {
3175 strcat(ret->recp_internet, "|");
3177 strcat(ret->recp_internet, this_recp);
3182 if (strlen(ret->recp_ignet) > 0) {
3183 strcat(ret->recp_ignet, "|");
3185 strcat(ret->recp_ignet, this_recp);
3193 if (strlen(ret->errormsg) == 0) {
3194 snprintf(append, sizeof append,
3195 "Invalid recipient: %s",
3199 snprintf(append, sizeof append,
3202 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
3203 strcat(ret->errormsg, append);
3207 if (strlen(ret->display_recp) == 0) {
3208 strcpy(append, this_recp);
3211 snprintf(append, sizeof append, ", %s",
3214 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3215 strcat(ret->display_recp, append);
3220 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3221 ret->num_room + ret->num_error) == 0) {
3222 ret->num_error = (-1);
3223 strcpy(ret->errormsg, "No recipients specified.");
3226 lprintf(CTDL_DEBUG, "validate_recipients()\n");
3227 lprintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3228 lprintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3229 lprintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3230 lprintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3231 lprintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3239 * message entry - mode 0 (normal)
3241 void cmd_ent0(char *entargs)
3247 char supplied_euid[128];
3248 char masquerade_as[SIZ];
3250 int format_type = 0;
3251 char newusername[SIZ];
3252 struct CtdlMessage *msg;
3256 struct recptypes *valid = NULL;
3257 struct recptypes *valid_to = NULL;
3258 struct recptypes *valid_cc = NULL;
3259 struct recptypes *valid_bcc = NULL;
3266 post = extract_int(entargs, 0);
3267 extract_token(recp, entargs, 1, '|', sizeof recp);
3268 anon_flag = extract_int(entargs, 2);
3269 format_type = extract_int(entargs, 3);
3270 extract_token(subject, entargs, 4, '|', sizeof subject);
3271 do_confirm = extract_int(entargs, 6);
3272 extract_token(cc, entargs, 7, '|', sizeof cc);
3273 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3274 switch(CC->room.QRdefaultview) {
3277 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3280 supplied_euid[0] = 0;
3284 /* first check to make sure the request is valid. */
3286 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
3288 cprintf("%d %s\n", err, errmsg);
3292 /* Check some other permission type things. */
3295 if (CC->user.axlevel < 6) {
3296 cprintf("%d You don't have permission to masquerade.\n",
3297 ERROR + HIGHER_ACCESS_REQUIRED);
3300 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3301 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
3302 safestrncpy(CC->fake_postname, newusername,
3303 sizeof(CC->fake_postname) );
3304 cprintf("%d ok\n", CIT_OK);
3307 CC->cs_flags |= CS_POSTING;
3309 /* In the Mail> room we have to behave a little differently --
3310 * make sure the user has specified at least one recipient. Then
3311 * validate the recipient(s).
3313 if ( (CC->room.QRflags & QR_MAILBOX)
3314 && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) ) {
3316 if (CC->user.axlevel < 2) {
3317 strcpy(recp, "sysop");
3322 valid_to = validate_recipients(recp);
3323 if (valid_to->num_error > 0) {
3324 cprintf("%d Invalid recipient (To)\n", ERROR + NO_SUCH_USER);
3329 valid_cc = validate_recipients(cc);
3330 if (valid_cc->num_error > 0) {
3331 cprintf("%d Invalid recipient (CC)\n", ERROR + NO_SUCH_USER);
3337 valid_bcc = validate_recipients(bcc);
3338 if (valid_bcc->num_error > 0) {
3339 cprintf("%d Invalid recipient (BCC)\n", ERROR + NO_SUCH_USER);
3346 /* Recipient required, but none were specified */
3347 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
3351 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
3355 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
3356 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
3357 cprintf("%d You do not have permission "
3358 "to send Internet mail.\n",
3359 ERROR + HIGHER_ACCESS_REQUIRED);
3367 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)
3368 && (CC->user.axlevel < 4) ) {
3369 cprintf("%d Higher access required for network mail.\n",
3370 ERROR + HIGHER_ACCESS_REQUIRED);
3377 if ((RESTRICT_INTERNET == 1)
3378 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
3379 && ((CC->user.flags & US_INTERNET) == 0)
3380 && (!CC->internal_pgm)) {
3381 cprintf("%d You don't have access to Internet mail.\n",
3382 ERROR + HIGHER_ACCESS_REQUIRED);
3391 /* Is this a room which has anonymous-only or anonymous-option? */
3392 anonymous = MES_NORMAL;
3393 if (CC->room.QRflags & QR_ANONONLY) {
3394 anonymous = MES_ANONONLY;
3396 if (CC->room.QRflags & QR_ANONOPT) {
3397 if (anon_flag == 1) { /* only if the user requested it */
3398 anonymous = MES_ANONOPT;
3402 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
3406 /* If we're only checking the validity of the request, return
3407 * success without creating the message.
3410 cprintf("%d %s\n", CIT_OK,
3411 ((valid_to != NULL) ? valid_to->display_recp : "") );
3418 /* We don't need these anymore because we'll do it differently below */
3423 /* Handle author masquerading */
3424 if (CC->fake_postname[0]) {
3425 strcpy(masquerade_as, CC->fake_postname);
3427 else if (CC->fake_username[0]) {
3428 strcpy(masquerade_as, CC->fake_username);
3431 strcpy(masquerade_as, "");
3434 /* Read in the message from the client. */
3436 cprintf("%d send message\n", START_CHAT_MODE);
3438 cprintf("%d send message\n", SEND_LISTING);
3441 msg = CtdlMakeMessage(&CC->user, recp, cc,
3442 CC->room.QRname, anonymous, format_type,
3443 masquerade_as, subject,
3444 ((strlen(supplied_euid) > 0) ? supplied_euid : NULL),
3447 /* Put together one big recipients struct containing to/cc/bcc all in
3448 * one. This is for the envelope.
3450 char *all_recps = malloc(SIZ * 3);
3451 strcpy(all_recps, recp);
3452 if (strlen(cc) > 0) {
3453 if (strlen(all_recps) > 0) {
3454 strcat(all_recps, ",");
3456 strcat(all_recps, cc);
3458 if (strlen(bcc) > 0) {
3459 if (strlen(all_recps) > 0) {
3460 strcat(all_recps, ",");
3462 strcat(all_recps, bcc);
3464 if (strlen(all_recps) > 0) {
3465 valid = validate_recipients(all_recps);
3473 msgnum = CtdlSubmitMsg(msg, valid, "");
3476 cprintf("%ld\n", msgnum);
3478 cprintf("Message accepted.\n");
3481 cprintf("Internal error.\n");
3483 if (msg->cm_fields['E'] != NULL) {
3484 cprintf("%s\n", msg->cm_fields['E']);
3491 CtdlFreeMessage(msg);
3493 CC->fake_postname[0] = '\0';
3494 if (valid != NULL) {
3503 * API function to delete messages which match a set of criteria
3504 * (returns the actual number of messages deleted)
3506 int CtdlDeleteMessages(char *room_name, /* which room */
3507 long *dmsgnums, /* array of msg numbers to be deleted */
3508 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
3509 char *content_type /* or "" for any */
3513 struct ctdlroom qrbuf;
3514 struct cdbdata *cdbfr;
3515 long *msglist = NULL;
3516 long *dellist = NULL;
3519 int num_deleted = 0;
3521 struct MetaData smi;
3523 lprintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
3524 room_name, num_dmsgnums, content_type);
3526 /* get room record, obtaining a lock... */
3527 if (lgetroom(&qrbuf, room_name) != 0) {
3528 lprintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
3530 return (0); /* room not found */
3532 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
3534 if (cdbfr != NULL) {
3535 dellist = malloc(cdbfr->len);
3536 msglist = (long *) cdbfr->ptr;
3537 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
3538 num_msgs = cdbfr->len / sizeof(long);
3542 for (i = 0; i < num_msgs; ++i) {
3545 /* Set/clear a bit for each criterion */
3547 /* 0 messages in the list or a null list means that we are
3548 * interested in deleting any messages which meet the other criteria.
3550 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
3551 delete_this |= 0x01;
3554 for (j=0; j<num_dmsgnums; ++j) {
3555 if (msglist[i] == dmsgnums[j]) {
3556 delete_this |= 0x01;
3561 if (strlen(content_type) == 0) {
3562 delete_this |= 0x02;
3564 GetMetaData(&smi, msglist[i]);
3565 if (!strcasecmp(smi.meta_content_type,
3567 delete_this |= 0x02;
3571 /* Delete message only if all bits are set */
3572 if (delete_this == 0x03) {
3573 dellist[num_deleted++] = msglist[i];
3578 num_msgs = sort_msglist(msglist, num_msgs);
3579 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
3580 msglist, (int)(num_msgs * sizeof(long)));
3582 qrbuf.QRhighest = msglist[num_msgs - 1];
3586 /* Go through the messages we pulled out of the index, and decrement
3587 * their reference counts by 1. If this is the only room the message
3588 * was in, the reference count will reach zero and the message will
3589 * automatically be deleted from the database. We do this in a
3590 * separate pass because there might be plug-in hooks getting called,
3591 * and we don't want that happening during an S_ROOMS critical
3594 if (num_deleted) for (i=0; i<num_deleted; ++i) {
3595 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
3596 AdjRefCount(dellist[i], -1);
3599 /* Now free the memory we used, and go away. */
3600 if (msglist != NULL) free(msglist);
3601 if (dellist != NULL) free(dellist);
3602 lprintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
3603 return (num_deleted);
3609 * Check whether the current user has permission to delete messages from
3610 * the current room (returns 1 for yes, 0 for no)
3612 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
3613 getuser(&CC->user, CC->curr_user);
3614 if ((CC->user.axlevel < 6)
3615 && (CC->user.usernum != CC->room.QRroomaide)
3616 && ((CC->room.QRflags & QR_MAILBOX) == 0)
3617 && (!(CC->internal_pgm))) {
3626 * Delete message from current room
3628 void cmd_dele(char *args)
3637 extract_token(msgset, args, 0, '|', sizeof msgset);
3638 num_msgs = num_tokens(msgset, ',');
3640 cprintf("%d Nothing to do.\n", CIT_OK);
3644 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
3645 cprintf("%d Higher access required.\n",
3646 ERROR + HIGHER_ACCESS_REQUIRED);
3651 * Build our message set to be moved/copied
3653 msgs = malloc(num_msgs * sizeof(long));
3654 for (i=0; i<num_msgs; ++i) {
3655 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
3656 msgs[i] = atol(msgtok);
3659 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
3663 cprintf("%d %d message%s deleted.\n", CIT_OK,
3664 num_deleted, ((num_deleted != 1) ? "s" : ""));
3666 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
3672 * Back end API function for moves and deletes (multiple messages)
3674 int CtdlCopyMsgsToRoom(long *msgnums, int num_msgs, char *dest) {
3677 err = CtdlSaveMsgPointersInRoom(dest, msgnums, num_msgs, 1, NULL);
3678 if (err != 0) return(err);
3687 * move or copy a message to another room
3689 void cmd_move(char *args)
3696 char targ[ROOMNAMELEN];
3697 struct ctdlroom qtemp;
3704 extract_token(msgset, args, 0, '|', sizeof msgset);
3705 num_msgs = num_tokens(msgset, ',');
3707 cprintf("%d Nothing to do.\n", CIT_OK);
3711 extract_token(targ, args, 1, '|', sizeof targ);
3712 convert_room_name_macros(targ, sizeof targ);
3713 targ[ROOMNAMELEN - 1] = 0;
3714 is_copy = extract_int(args, 2);
3716 if (getroom(&qtemp, targ) != 0) {
3717 cprintf("%d '%s' does not exist.\n",
3718 ERROR + ROOM_NOT_FOUND, targ);
3722 getuser(&CC->user, CC->curr_user);
3723 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
3725 /* Check for permission to perform this operation.
3726 * Remember: "CC->room" is source, "qtemp" is target.
3730 /* Aides can move/copy */
3731 if (CC->user.axlevel >= 6) permit = 1;
3733 /* Room aides can move/copy */
3734 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
3736 /* Permit move/copy from personal rooms */
3737 if ((CC->room.QRflags & QR_MAILBOX)
3738 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3740 /* Permit only copy from public to personal room */
3742 && (!(CC->room.QRflags & QR_MAILBOX))
3743 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3745 /* User must have access to target room */
3746 if (!(ra & UA_KNOWN)) permit = 0;
3749 cprintf("%d Higher access required.\n",
3750 ERROR + HIGHER_ACCESS_REQUIRED);
3755 * Build our message set to be moved/copied
3757 msgs = malloc(num_msgs * sizeof(long));
3758 for (i=0; i<num_msgs; ++i) {
3759 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
3760 msgs[i] = atol(msgtok);
3766 err = CtdlCopyMsgsToRoom(msgs, num_msgs, targ);
3768 cprintf("%d Cannot store message(s) in %s: error %d\n",
3774 /* Now delete the message from the source room,
3775 * if this is a 'move' rather than a 'copy' operation.
3778 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
3782 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
3788 * GetMetaData() - Get the supplementary record for a message
3790 void GetMetaData(struct MetaData *smibuf, long msgnum)
3793 struct cdbdata *cdbsmi;
3796 memset(smibuf, 0, sizeof(struct MetaData));
3797 smibuf->meta_msgnum = msgnum;
3798 smibuf->meta_refcount = 1; /* Default reference count is 1 */
3800 /* Use the negative of the message number for its supp record index */
3801 TheIndex = (0L - msgnum);
3803 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
3804 if (cdbsmi == NULL) {
3805 return; /* record not found; go with defaults */
3807 memcpy(smibuf, cdbsmi->ptr,
3808 ((cdbsmi->len > sizeof(struct MetaData)) ?
3809 sizeof(struct MetaData) : cdbsmi->len));
3816 * PutMetaData() - (re)write supplementary record for a message
3818 void PutMetaData(struct MetaData *smibuf)
3822 /* Use the negative of the message number for the metadata db index */
3823 TheIndex = (0L - smibuf->meta_msgnum);
3825 cdb_store(CDB_MSGMAIN,
3826 &TheIndex, (int)sizeof(long),
3827 smibuf, (int)sizeof(struct MetaData));
3832 * AdjRefCount - submit an adjustment to the reference count for a message.
3833 * (These are just queued -- we actually process them later.)
3835 void AdjRefCount(long msgnum, int incr)
3837 struct arcq new_arcq;
3839 begin_critical_section(S_SUPPMSGMAIN);
3840 if (arcfp == NULL) {
3841 arcfp = fopen(file_arcq, "ab+");
3843 end_critical_section(S_SUPPMSGMAIN);
3845 /* msgnum < 0 means that we're trying to close the file */
3847 lprintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
3848 begin_critical_section(S_SUPPMSGMAIN);
3849 if (arcfp != NULL) {
3853 end_critical_section(S_SUPPMSGMAIN);
3858 * If we can't open the queue, perform the operation synchronously.
3860 if (arcfp == NULL) {
3861 TDAP_AdjRefCount(msgnum, incr);
3865 new_arcq.arcq_msgnum = msgnum;
3866 new_arcq.arcq_delta = incr;
3867 fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
3875 * TDAP_ProcessAdjRefCountQueue()
3877 * Process the queue of message count adjustments that was created by calls
3878 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
3879 * for each one. This should be an "off hours" operation.
3881 int TDAP_ProcessAdjRefCountQueue(void)
3883 char file_arcq_temp[PATH_MAX];
3886 struct arcq arcq_rec;
3887 int num_records_processed = 0;
3889 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s2", file_arcq);
3891 begin_critical_section(S_SUPPMSGMAIN);
3892 if (arcfp != NULL) {
3897 r = link(file_arcq, file_arcq_temp);
3899 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3900 end_critical_section(S_SUPPMSGMAIN);
3901 return(num_records_processed);
3905 end_critical_section(S_SUPPMSGMAIN);
3907 fp = fopen(file_arcq_temp, "rb");
3909 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3910 return(num_records_processed);
3913 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
3914 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
3915 ++num_records_processed;
3919 r = unlink(file_arcq_temp);
3921 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3924 return(num_records_processed);
3930 * TDAP_AdjRefCount - adjust the reference count for a message.
3931 * This one does it "for real" because it's called by
3932 * the autopurger function that processes the queue
3933 * created by AdjRefCount(). If a message's reference
3934 * count becomes zero, we also delete the message from
3935 * disk and de-index it.
3937 void TDAP_AdjRefCount(long msgnum, int incr)
3940 struct MetaData smi;
3943 /* This is a *tight* critical section; please keep it that way, as
3944 * it may get called while nested in other critical sections.
3945 * Complicating this any further will surely cause deadlock!
3947 begin_critical_section(S_SUPPMSGMAIN);
3948 GetMetaData(&smi, msgnum);
3949 smi.meta_refcount += incr;
3951 end_critical_section(S_SUPPMSGMAIN);
3952 lprintf(CTDL_DEBUG, "msg %ld ref count delta %d, is now %d\n",
3953 msgnum, incr, smi.meta_refcount);
3955 /* If the reference count is now zero, delete the message
3956 * (and its supplementary record as well).
3958 if (smi.meta_refcount == 0) {
3959 lprintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
3961 /* Remove from fulltext index */
3962 if (config.c_enable_fulltext) {
3963 ft_index_message(msgnum, 0);
3966 /* Remove from message base */
3968 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
3969 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
3971 /* Remove metadata record */
3972 delnum = (0L - msgnum);
3973 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
3979 * Write a generic object to this room
3981 * Note: this could be much more efficient. Right now we use two temporary
3982 * files, and still pull the message into memory as with all others.
3984 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3985 char *content_type, /* MIME type of this object */
3986 char *tempfilename, /* Where to fetch it from */
3987 struct ctdluser *is_mailbox, /* Mailbox room? */
3988 int is_binary, /* Is encoding necessary? */
3989 int is_unique, /* Del others of this type? */
3990 unsigned int flags /* Internal save flags */
3995 struct ctdlroom qrbuf;
3996 char roomname[ROOMNAMELEN];
3997 struct CtdlMessage *msg;
3999 char *raw_message = NULL;
4000 char *encoded_message = NULL;
4001 off_t raw_length = 0;
4003 if (is_mailbox != NULL) {
4004 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4007 safestrncpy(roomname, req_room, sizeof(roomname));
4010 fp = fopen(tempfilename, "rb");
4012 lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
4013 tempfilename, strerror(errno));
4016 fseek(fp, 0L, SEEK_END);
4017 raw_length = ftell(fp);
4019 lprintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4021 raw_message = malloc((size_t)raw_length + 2);
4022 fread(raw_message, (size_t)raw_length, 1, fp);
4026 encoded_message = malloc((size_t)
4027 (((raw_length * 134) / 100) + 4096 ) );
4030 encoded_message = malloc((size_t)(raw_length + 4096));
4033 sprintf(encoded_message, "Content-type: %s\n", content_type);
4036 sprintf(&encoded_message[strlen(encoded_message)],
4037 "Content-transfer-encoding: base64\n\n"
4041 sprintf(&encoded_message[strlen(encoded_message)],
4042 "Content-transfer-encoding: 7bit\n\n"
4048 &encoded_message[strlen(encoded_message)],
4054 raw_message[raw_length] = 0;
4056 &encoded_message[strlen(encoded_message)],
4064 lprintf(CTDL_DEBUG, "Allocating\n");
4065 msg = malloc(sizeof(struct CtdlMessage));
4066 memset(msg, 0, sizeof(struct CtdlMessage));
4067 msg->cm_magic = CTDLMESSAGE_MAGIC;
4068 msg->cm_anon_type = MES_NORMAL;
4069 msg->cm_format_type = 4;
4070 msg->cm_fields['A'] = strdup(CC->user.fullname);
4071 msg->cm_fields['O'] = strdup(req_room);
4072 msg->cm_fields['N'] = strdup(config.c_nodename);
4073 msg->cm_fields['H'] = strdup(config.c_humannode);
4074 msg->cm_flags = flags;
4076 msg->cm_fields['M'] = encoded_message;
4078 /* Create the requested room if we have to. */
4079 if (getroom(&qrbuf, roomname) != 0) {
4080 create_room(roomname,
4081 ( (is_mailbox != NULL) ? 5 : 3 ),
4082 "", 0, 1, 0, VIEW_BBS);
4084 /* If the caller specified this object as unique, delete all
4085 * other objects of this type that are currently in the room.
4088 lprintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4089 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4092 /* Now write the data */
4093 CtdlSubmitMsg(msg, NULL, roomname);
4094 CtdlFreeMessage(msg);
4102 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4103 config_msgnum = msgnum;
4107 char *CtdlGetSysConfig(char *sysconfname) {
4108 char hold_rm[ROOMNAMELEN];
4111 struct CtdlMessage *msg;
4114 strcpy(hold_rm, CC->room.QRname);
4115 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
4116 getroom(&CC->room, hold_rm);
4121 /* We want the last (and probably only) config in this room */
4122 begin_critical_section(S_CONFIG);
4123 config_msgnum = (-1L);
4124 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4125 CtdlGetSysConfigBackend, NULL);
4126 msgnum = config_msgnum;
4127 end_critical_section(S_CONFIG);
4133 msg = CtdlFetchMessage(msgnum, 1);
4135 conf = strdup(msg->cm_fields['M']);
4136 CtdlFreeMessage(msg);
4143 getroom(&CC->room, hold_rm);
4145 if (conf != NULL) do {
4146 extract_token(buf, conf, 0, '\n', sizeof buf);
4147 strcpy(conf, &conf[strlen(buf)+1]);
4148 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
4153 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4154 char temp[PATH_MAX];
4157 CtdlMakeTempFileName(temp, sizeof temp);
4159 fp = fopen(temp, "w");
4160 if (fp == NULL) return;
4161 fprintf(fp, "%s", sysconfdata);
4164 /* this handy API function does all the work for us */
4165 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
4171 * Determine whether a given Internet address belongs to the current user
4173 int CtdlIsMe(char *addr, int addr_buf_len)
4175 struct recptypes *recp;
4178 recp = validate_recipients(addr);
4179 if (recp == NULL) return(0);
4181 if (recp->num_local == 0) {
4186 for (i=0; i<recp->num_local; ++i) {
4187 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4188 if (!strcasecmp(addr, CC->user.fullname)) {
4200 * Citadel protocol command to do the same
4202 void cmd_isme(char *argbuf) {
4205 if (CtdlAccessCheck(ac_logged_in)) return;
4206 extract_token(addr, argbuf, 0, '|', sizeof addr);
4208 if (CtdlIsMe(addr, sizeof addr)) {
4209 cprintf("%d %s\n", CIT_OK, addr);
4212 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);