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 // Add a flag so the Funambol module knows its mail
2571 msg->cm_fields['W'] = strdup(recipient);
2572 MailboxName(actual_rm, sizeof actual_rm,
2573 &userbuf, MAILROOM);
2574 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2575 BumpNewMailCounter(userbuf.usernum);
2578 lprintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2579 CtdlSaveMsgPointerInRoom(config.c_aideroom,
2584 /* Perform "after save" hooks */
2585 lprintf(CTDL_DEBUG, "Performing after-save hooks\n");
2586 PerformMessageHooks(msg, EVT_AFTERSAVE);
2588 /* For IGnet mail, we have to save a new copy into the spooler for
2589 * each recipient, with the R and D fields set to the recipient and
2590 * destination-node. This has two ugly side effects: all other
2591 * recipients end up being unlisted in this recipient's copy of the
2592 * message, and it has to deliver multiple messages to the same
2593 * node. We'll revisit this again in a year or so when everyone has
2594 * a network spool receiver that can handle the new style messages.
2597 if (recps->num_ignet > 0)
2598 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2599 extract_token(recipient, recps->recp_ignet, i,
2600 '|', sizeof recipient);
2602 hold_R = msg->cm_fields['R'];
2603 hold_D = msg->cm_fields['D'];
2604 msg->cm_fields['R'] = malloc(SIZ);
2605 msg->cm_fields['D'] = malloc(128);
2606 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
2607 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
2609 serialize_message(&smr, msg);
2611 snprintf(submit_filename, sizeof submit_filename,
2612 "%s/netmail.%04lx.%04x.%04x",
2614 (long) getpid(), CC->cs_pid, ++seqnum);
2615 network_fp = fopen(submit_filename, "wb+");
2616 if (network_fp != NULL) {
2617 fwrite(smr.ser, smr.len, 1, network_fp);
2623 free(msg->cm_fields['R']);
2624 free(msg->cm_fields['D']);
2625 msg->cm_fields['R'] = hold_R;
2626 msg->cm_fields['D'] = hold_D;
2629 /* Go back to the room we started from */
2630 lprintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2631 if (strcasecmp(hold_rm, CC->room.QRname))
2632 /* getroom(&CC->room, hold_rm); */
2633 usergoto(hold_rm, 0, 1, NULL, NULL);
2635 /* For internet mail, generate delivery instructions.
2636 * Yes, this is recursive. Deal with it. Infinite recursion does
2637 * not happen because the delivery instructions message does not
2638 * contain a recipient.
2641 if (recps->num_internet > 0) {
2642 lprintf(CTDL_DEBUG, "Generating delivery instructions\n");
2643 instr = malloc(SIZ * 2);
2644 snprintf(instr, SIZ * 2,
2645 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2647 SPOOLMIME, newmsgid, (long)time(NULL),
2648 msg->cm_fields['A'], msg->cm_fields['N']
2651 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2652 size_t tmp = strlen(instr);
2653 extract_token(recipient, recps->recp_internet,
2654 i, '|', sizeof recipient);
2655 snprintf(&instr[tmp], SIZ * 2 - tmp,
2656 "remote|%s|0||\n", recipient);
2659 imsg = malloc(sizeof(struct CtdlMessage));
2660 memset(imsg, 0, sizeof(struct CtdlMessage));
2661 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2662 imsg->cm_anon_type = MES_NORMAL;
2663 imsg->cm_format_type = FMT_RFC822;
2664 imsg->cm_fields['A'] = strdup("Citadel");
2665 imsg->cm_fields['J'] = strdup("do not journal");
2666 imsg->cm_fields['M'] = instr;
2667 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2668 CtdlFreeMessage(imsg);
2672 * Any addresses to harvest for someone's address book?
2674 if ( (CC->logged_in) && (recps != NULL) ) {
2675 collected_addresses = harvest_collected_addresses(msg);
2678 if (collected_addresses != NULL) {
2679 begin_critical_section(S_ATBF);
2680 aptr = (struct addresses_to_be_filed *)
2681 malloc(sizeof(struct addresses_to_be_filed));
2683 MailboxName(actual_rm, sizeof actual_rm,
2684 &CC->user, USERCONTACTSROOM);
2685 aptr->roomname = strdup(actual_rm);
2686 aptr->collected_addresses = collected_addresses;
2688 end_critical_section(S_ATBF);
2692 * Determine whether this message qualifies for journaling.
2694 if (msg->cm_fields['J'] != NULL) {
2695 qualified_for_journaling = 0;
2698 if (recps == NULL) {
2699 qualified_for_journaling = config.c_journal_pubmsgs;
2701 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
2702 qualified_for_journaling = config.c_journal_email;
2705 qualified_for_journaling = config.c_journal_pubmsgs;
2710 * Do we have to perform journaling? If so, hand off the saved
2711 * RFC822 version will be handed off to the journaler for background
2712 * submit. Otherwise, we have to free the memory ourselves.
2714 if (saved_rfc822_version != NULL) {
2715 if (qualified_for_journaling) {
2716 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
2719 free(saved_rfc822_version);
2732 * Convenience function for generating small administrative messages.
2734 void quickie_message(char *from, char *fromaddr, char *to, char *room, char *text,
2735 int format_type, char *subject)
2737 struct CtdlMessage *msg;
2738 struct recptypes *recp = NULL;
2740 msg = malloc(sizeof(struct CtdlMessage));
2741 memset(msg, 0, sizeof(struct CtdlMessage));
2742 msg->cm_magic = CTDLMESSAGE_MAGIC;
2743 msg->cm_anon_type = MES_NORMAL;
2744 msg->cm_format_type = format_type;
2747 msg->cm_fields['A'] = strdup(from);
2749 else if (fromaddr != NULL) {
2750 msg->cm_fields['A'] = strdup(fromaddr);
2751 if (strchr(msg->cm_fields['A'], '@')) {
2752 *strchr(msg->cm_fields['A'], '@') = 0;
2756 msg->cm_fields['A'] = strdup("Citadel");
2759 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
2760 if (room != NULL) msg->cm_fields['O'] = strdup(room);
2761 msg->cm_fields['N'] = strdup(NODENAME);
2763 msg->cm_fields['R'] = strdup(to);
2764 recp = validate_recipients(to);
2766 if (subject != NULL) {
2767 msg->cm_fields['U'] = strdup(subject);
2769 msg->cm_fields['M'] = strdup(text);
2771 CtdlSubmitMsg(msg, recp, room);
2772 CtdlFreeMessage(msg);
2773 if (recp != NULL) free(recp);
2779 * Back end function used by CtdlMakeMessage() and similar functions
2781 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2782 size_t maxlen, /* maximum message length */
2783 char *exist, /* if non-null, append to it;
2784 exist is ALWAYS freed */
2785 int crlf /* CRLF newlines instead of LF */
2789 size_t message_len = 0;
2790 size_t buffer_len = 0;
2797 if (exist == NULL) {
2804 message_len = strlen(exist);
2805 buffer_len = message_len + 4096;
2806 m = realloc(exist, buffer_len);
2813 /* Do we need to change leading ".." to "." for SMTP escaping? */
2814 if (!strcmp(terminator, ".")) {
2818 /* flush the input if we have nowhere to store it */
2823 /* read in the lines of message text one by one */
2825 if (client_getln(buf, (sizeof buf - 3)) < 1) finished = 1;
2826 if (!strcmp(buf, terminator)) finished = 1;
2828 strcat(buf, "\r\n");
2834 /* Unescape SMTP-style input of two dots at the beginning of the line */
2836 if (!strncmp(buf, "..", 2)) {
2837 strcpy(buf, &buf[1]);
2841 if ( (!flushing) && (!finished) ) {
2842 /* Measure the line */
2843 linelen = strlen(buf);
2845 /* augment the buffer if we have to */
2846 if ((message_len + linelen) >= buffer_len) {
2847 ptr = realloc(m, (buffer_len * 2) );
2848 if (ptr == NULL) { /* flush if can't allocate */
2851 buffer_len = (buffer_len * 2);
2853 lprintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
2857 /* Add the new line to the buffer. NOTE: this loop must avoid
2858 * using functions like strcat() and strlen() because they
2859 * traverse the entire buffer upon every call, and doing that
2860 * for a multi-megabyte message slows it down beyond usability.
2862 strcpy(&m[message_len], buf);
2863 message_len += linelen;
2866 /* if we've hit the max msg length, flush the rest */
2867 if (message_len >= maxlen) flushing = 1;
2869 } while (!finished);
2877 * Build a binary message to be saved on disk.
2878 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2879 * will become part of the message. This means you are no longer
2880 * responsible for managing that memory -- it will be freed along with
2881 * the rest of the fields when CtdlFreeMessage() is called.)
2884 struct CtdlMessage *CtdlMakeMessage(
2885 struct ctdluser *author, /* author's user structure */
2886 char *recipient, /* NULL if it's not mail */
2887 char *recp_cc, /* NULL if it's not mail */
2888 char *room, /* room where it's going */
2889 int type, /* see MES_ types in header file */
2890 int format_type, /* variformat, plain text, MIME... */
2891 char *fake_name, /* who we're masquerading as */
2892 char *subject, /* Subject (optional) */
2893 char *supplied_euid, /* ...or NULL if this is irrelevant */
2894 char *preformatted_text /* ...or NULL to read text from client */
2896 char dest_node[SIZ];
2898 struct CtdlMessage *msg;
2900 msg = malloc(sizeof(struct CtdlMessage));
2901 memset(msg, 0, sizeof(struct CtdlMessage));
2902 msg->cm_magic = CTDLMESSAGE_MAGIC;
2903 msg->cm_anon_type = type;
2904 msg->cm_format_type = format_type;
2906 /* Don't confuse the poor folks if it's not routed mail. */
2907 strcpy(dest_node, "");
2912 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2913 msg->cm_fields['P'] = strdup(buf);
2915 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2916 msg->cm_fields['T'] = strdup(buf);
2918 if (fake_name[0]) /* author */
2919 msg->cm_fields['A'] = strdup(fake_name);
2921 msg->cm_fields['A'] = strdup(author->fullname);
2923 if (CC->room.QRflags & QR_MAILBOX) { /* room */
2924 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
2927 msg->cm_fields['O'] = strdup(CC->room.QRname);
2930 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
2931 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
2933 if (recipient[0] != 0) {
2934 msg->cm_fields['R'] = strdup(recipient);
2936 if (recp_cc[0] != 0) {
2937 msg->cm_fields['Y'] = strdup(recp_cc);
2939 if (dest_node[0] != 0) {
2940 msg->cm_fields['D'] = strdup(dest_node);
2943 if ( (author == &CC->user) && (strlen(CC->cs_inet_email) > 0) ) {
2944 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
2947 if (subject != NULL) {
2950 length = strlen(subject);
2956 while ((subject[i] != '\0') &&
2957 (IsAscii = isascii(subject[i]) != 0 ))
2960 msg->cm_fields['U'] = strdup(subject);
2961 else /* ok, we've got utf8 in the string. */
2963 msg->cm_fields['U'] = rfc2047encode(subject, length);
2969 if (supplied_euid != NULL) {
2970 msg->cm_fields['E'] = strdup(supplied_euid);
2973 if (preformatted_text != NULL) {
2974 msg->cm_fields['M'] = preformatted_text;
2977 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2978 config.c_maxmsglen, NULL, 0);
2986 * Check to see whether we have permission to post a message in the current
2987 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2988 * returns 0 on success.
2990 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2993 if (!(CC->logged_in)) {
2994 snprintf(errmsgbuf, n, "Not logged in.");
2995 return (ERROR + NOT_LOGGED_IN);
2998 if ((CC->user.axlevel < 2)
2999 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3000 snprintf(errmsgbuf, n, "Need to be validated to enter "
3001 "(except in %s> to sysop)", MAILROOM);
3002 return (ERROR + HIGHER_ACCESS_REQUIRED);
3005 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3006 if (!(ra & UA_POSTALLOWED)) {
3007 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3008 return (ERROR + HIGHER_ACCESS_REQUIRED);
3011 strcpy(errmsgbuf, "Ok");
3017 * Check to see if the specified user has Internet mail permission
3018 * (returns nonzero if permission is granted)
3020 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3022 /* Do not allow twits to send Internet mail */
3023 if (who->axlevel <= 2) return(0);
3025 /* Globally enabled? */
3026 if (config.c_restrict == 0) return(1);
3028 /* User flagged ok? */
3029 if (who->flags & US_INTERNET) return(2);
3031 /* Aide level access? */
3032 if (who->axlevel >= 6) return(3);
3034 /* No mail for you! */
3040 * Validate recipients, count delivery types and errors, and handle aliasing
3041 * FIXME check for dupes!!!!!
3042 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3043 * were specified, or the number of addresses found invalid.
3044 * caller needs to free the result.
3046 struct recptypes *validate_recipients(char *supplied_recipients) {
3047 struct recptypes *ret;
3048 char recipients[SIZ];
3049 char this_recp[256];
3050 char this_recp_cooked[256];
3056 struct ctdluser tempUS;
3057 struct ctdlroom tempQR;
3061 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3062 if (ret == NULL) return(NULL);
3063 memset(ret, 0, sizeof(struct recptypes));
3066 ret->num_internet = 0;
3071 if (supplied_recipients == NULL) {
3072 strcpy(recipients, "");
3075 safestrncpy(recipients, supplied_recipients, sizeof recipients);
3078 /* Change all valid separator characters to commas */
3079 for (i=0; i<strlen(recipients); ++i) {
3080 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3081 recipients[i] = ',';
3085 /* Now start extracting recipients... */
3087 while (strlen(recipients) > 0) {
3089 for (i=0; i<=strlen(recipients); ++i) {
3090 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3091 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3092 safestrncpy(this_recp, recipients, i+1);
3094 if (recipients[i] == ',') {
3095 strcpy(recipients, &recipients[i+1]);
3098 strcpy(recipients, "");
3105 lprintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3107 mailtype = alias(this_recp);
3108 mailtype = alias(this_recp);
3109 mailtype = alias(this_recp);
3110 for (j=0; j<=strlen(this_recp); ++j) {
3111 if (this_recp[j]=='_') {
3112 this_recp_cooked[j] = ' ';
3115 this_recp_cooked[j] = this_recp[j];
3121 if (!strcasecmp(this_recp, "sysop")) {
3123 strcpy(this_recp, config.c_aideroom);
3124 if (strlen(ret->recp_room) > 0) {
3125 strcat(ret->recp_room, "|");
3127 strcat(ret->recp_room, this_recp);
3129 else if (getuser(&tempUS, this_recp) == 0) {
3131 strcpy(this_recp, tempUS.fullname);
3132 if (strlen(ret->recp_local) > 0) {
3133 strcat(ret->recp_local, "|");
3135 strcat(ret->recp_local, this_recp);
3137 else if (getuser(&tempUS, this_recp_cooked) == 0) {
3139 strcpy(this_recp, tempUS.fullname);
3140 if (strlen(ret->recp_local) > 0) {
3141 strcat(ret->recp_local, "|");
3143 strcat(ret->recp_local, this_recp);
3145 else if ( (!strncasecmp(this_recp, "room_", 5))
3146 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
3148 if (strlen(ret->recp_room) > 0) {
3149 strcat(ret->recp_room, "|");
3151 strcat(ret->recp_room, &this_recp_cooked[5]);
3159 /* Yes, you're reading this correctly: if the target
3160 * domain points back to the local system or an attached
3161 * Citadel directory, the address is invalid. That's
3162 * because if the address were valid, we would have
3163 * already translated it to a local address by now.
3165 if (IsDirectory(this_recp)) {
3170 ++ret->num_internet;
3171 if (strlen(ret->recp_internet) > 0) {
3172 strcat(ret->recp_internet, "|");
3174 strcat(ret->recp_internet, this_recp);
3179 if (strlen(ret->recp_ignet) > 0) {
3180 strcat(ret->recp_ignet, "|");
3182 strcat(ret->recp_ignet, this_recp);
3190 if (strlen(ret->errormsg) == 0) {
3191 snprintf(append, sizeof append,
3192 "Invalid recipient: %s",
3196 snprintf(append, sizeof append,
3199 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
3200 strcat(ret->errormsg, append);
3204 if (strlen(ret->display_recp) == 0) {
3205 strcpy(append, this_recp);
3208 snprintf(append, sizeof append, ", %s",
3211 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3212 strcat(ret->display_recp, append);
3217 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3218 ret->num_room + ret->num_error) == 0) {
3219 ret->num_error = (-1);
3220 strcpy(ret->errormsg, "No recipients specified.");
3223 lprintf(CTDL_DEBUG, "validate_recipients()\n");
3224 lprintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3225 lprintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3226 lprintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3227 lprintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3228 lprintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3236 * message entry - mode 0 (normal)
3238 void cmd_ent0(char *entargs)
3244 char supplied_euid[128];
3245 char masquerade_as[SIZ];
3247 int format_type = 0;
3248 char newusername[SIZ];
3249 struct CtdlMessage *msg;
3253 struct recptypes *valid = NULL;
3254 struct recptypes *valid_to = NULL;
3255 struct recptypes *valid_cc = NULL;
3256 struct recptypes *valid_bcc = NULL;
3263 post = extract_int(entargs, 0);
3264 extract_token(recp, entargs, 1, '|', sizeof recp);
3265 anon_flag = extract_int(entargs, 2);
3266 format_type = extract_int(entargs, 3);
3267 extract_token(subject, entargs, 4, '|', sizeof subject);
3268 do_confirm = extract_int(entargs, 6);
3269 extract_token(cc, entargs, 7, '|', sizeof cc);
3270 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3271 switch(CC->room.QRdefaultview) {
3274 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3277 supplied_euid[0] = 0;
3281 /* first check to make sure the request is valid. */
3283 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
3285 cprintf("%d %s\n", err, errmsg);
3289 /* Check some other permission type things. */
3292 if (CC->user.axlevel < 6) {
3293 cprintf("%d You don't have permission to masquerade.\n",
3294 ERROR + HIGHER_ACCESS_REQUIRED);
3297 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3298 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
3299 safestrncpy(CC->fake_postname, newusername,
3300 sizeof(CC->fake_postname) );
3301 cprintf("%d ok\n", CIT_OK);
3304 CC->cs_flags |= CS_POSTING;
3306 /* In the Mail> room we have to behave a little differently --
3307 * make sure the user has specified at least one recipient. Then
3308 * validate the recipient(s).
3310 if ( (CC->room.QRflags & QR_MAILBOX)
3311 && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) ) {
3313 if (CC->user.axlevel < 2) {
3314 strcpy(recp, "sysop");
3319 valid_to = validate_recipients(recp);
3320 if (valid_to->num_error > 0) {
3321 cprintf("%d Invalid recipient (To)\n", ERROR + NO_SUCH_USER);
3326 valid_cc = validate_recipients(cc);
3327 if (valid_cc->num_error > 0) {
3328 cprintf("%d Invalid recipient (CC)\n", ERROR + NO_SUCH_USER);
3334 valid_bcc = validate_recipients(bcc);
3335 if (valid_bcc->num_error > 0) {
3336 cprintf("%d Invalid recipient (BCC)\n", ERROR + NO_SUCH_USER);
3343 /* Recipient required, but none were specified */
3344 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
3348 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
3352 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
3353 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
3354 cprintf("%d You do not have permission "
3355 "to send Internet mail.\n",
3356 ERROR + HIGHER_ACCESS_REQUIRED);
3364 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)
3365 && (CC->user.axlevel < 4) ) {
3366 cprintf("%d Higher access required for network mail.\n",
3367 ERROR + HIGHER_ACCESS_REQUIRED);
3374 if ((RESTRICT_INTERNET == 1)
3375 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
3376 && ((CC->user.flags & US_INTERNET) == 0)
3377 && (!CC->internal_pgm)) {
3378 cprintf("%d You don't have access to Internet mail.\n",
3379 ERROR + HIGHER_ACCESS_REQUIRED);
3388 /* Is this a room which has anonymous-only or anonymous-option? */
3389 anonymous = MES_NORMAL;
3390 if (CC->room.QRflags & QR_ANONONLY) {
3391 anonymous = MES_ANONONLY;
3393 if (CC->room.QRflags & QR_ANONOPT) {
3394 if (anon_flag == 1) { /* only if the user requested it */
3395 anonymous = MES_ANONOPT;
3399 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
3403 /* If we're only checking the validity of the request, return
3404 * success without creating the message.
3407 cprintf("%d %s\n", CIT_OK,
3408 ((valid_to != NULL) ? valid_to->display_recp : "") );
3415 /* We don't need these anymore because we'll do it differently below */
3420 /* Handle author masquerading */
3421 if (CC->fake_postname[0]) {
3422 strcpy(masquerade_as, CC->fake_postname);
3424 else if (CC->fake_username[0]) {
3425 strcpy(masquerade_as, CC->fake_username);
3428 strcpy(masquerade_as, "");
3431 /* Read in the message from the client. */
3433 cprintf("%d send message\n", START_CHAT_MODE);
3435 cprintf("%d send message\n", SEND_LISTING);
3438 msg = CtdlMakeMessage(&CC->user, recp, cc,
3439 CC->room.QRname, anonymous, format_type,
3440 masquerade_as, subject,
3441 ((strlen(supplied_euid) > 0) ? supplied_euid : NULL),
3444 /* Put together one big recipients struct containing to/cc/bcc all in
3445 * one. This is for the envelope.
3447 char *all_recps = malloc(SIZ * 3);
3448 strcpy(all_recps, recp);
3449 if (strlen(cc) > 0) {
3450 if (strlen(all_recps) > 0) {
3451 strcat(all_recps, ",");
3453 strcat(all_recps, cc);
3455 if (strlen(bcc) > 0) {
3456 if (strlen(all_recps) > 0) {
3457 strcat(all_recps, ",");
3459 strcat(all_recps, bcc);
3461 if (strlen(all_recps) > 0) {
3462 valid = validate_recipients(all_recps);
3470 msgnum = CtdlSubmitMsg(msg, valid, "");
3473 cprintf("%ld\n", msgnum);
3475 cprintf("Message accepted.\n");
3478 cprintf("Internal error.\n");
3480 if (msg->cm_fields['E'] != NULL) {
3481 cprintf("%s\n", msg->cm_fields['E']);
3488 CtdlFreeMessage(msg);
3490 CC->fake_postname[0] = '\0';
3491 if (valid != NULL) {
3500 * API function to delete messages which match a set of criteria
3501 * (returns the actual number of messages deleted)
3503 int CtdlDeleteMessages(char *room_name, /* which room */
3504 long *dmsgnums, /* array of msg numbers to be deleted */
3505 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
3506 char *content_type /* or "" for any */
3510 struct ctdlroom qrbuf;
3511 struct cdbdata *cdbfr;
3512 long *msglist = NULL;
3513 long *dellist = NULL;
3516 int num_deleted = 0;
3518 struct MetaData smi;
3520 lprintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
3521 room_name, num_dmsgnums, content_type);
3523 /* get room record, obtaining a lock... */
3524 if (lgetroom(&qrbuf, room_name) != 0) {
3525 lprintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
3527 return (0); /* room not found */
3529 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
3531 if (cdbfr != NULL) {
3532 dellist = malloc(cdbfr->len);
3533 msglist = (long *) cdbfr->ptr;
3534 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
3535 num_msgs = cdbfr->len / sizeof(long);
3539 for (i = 0; i < num_msgs; ++i) {
3542 /* Set/clear a bit for each criterion */
3544 /* 0 messages in the list or a null list means that we are
3545 * interested in deleting any messages which meet the other criteria.
3547 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
3548 delete_this |= 0x01;
3551 for (j=0; j<num_dmsgnums; ++j) {
3552 if (msglist[i] == dmsgnums[j]) {
3553 delete_this |= 0x01;
3558 if (strlen(content_type) == 0) {
3559 delete_this |= 0x02;
3561 GetMetaData(&smi, msglist[i]);
3562 if (!strcasecmp(smi.meta_content_type,
3564 delete_this |= 0x02;
3568 /* Delete message only if all bits are set */
3569 if (delete_this == 0x03) {
3570 dellist[num_deleted++] = msglist[i];
3575 num_msgs = sort_msglist(msglist, num_msgs);
3576 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
3577 msglist, (int)(num_msgs * sizeof(long)));
3579 qrbuf.QRhighest = msglist[num_msgs - 1];
3583 /* Go through the messages we pulled out of the index, and decrement
3584 * their reference counts by 1. If this is the only room the message
3585 * was in, the reference count will reach zero and the message will
3586 * automatically be deleted from the database. We do this in a
3587 * separate pass because there might be plug-in hooks getting called,
3588 * and we don't want that happening during an S_ROOMS critical
3591 if (num_deleted) for (i=0; i<num_deleted; ++i) {
3592 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
3593 AdjRefCount(dellist[i], -1);
3596 /* Now free the memory we used, and go away. */
3597 if (msglist != NULL) free(msglist);
3598 if (dellist != NULL) free(dellist);
3599 lprintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
3600 return (num_deleted);
3606 * Check whether the current user has permission to delete messages from
3607 * the current room (returns 1 for yes, 0 for no)
3609 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
3610 getuser(&CC->user, CC->curr_user);
3611 if ((CC->user.axlevel < 6)
3612 && (CC->user.usernum != CC->room.QRroomaide)
3613 && ((CC->room.QRflags & QR_MAILBOX) == 0)
3614 && (!(CC->internal_pgm))) {
3623 * Delete message from current room
3625 void cmd_dele(char *args)
3634 extract_token(msgset, args, 0, '|', sizeof msgset);
3635 num_msgs = num_tokens(msgset, ',');
3637 cprintf("%d Nothing to do.\n", CIT_OK);
3641 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
3642 cprintf("%d Higher access required.\n",
3643 ERROR + HIGHER_ACCESS_REQUIRED);
3648 * Build our message set to be moved/copied
3650 msgs = malloc(num_msgs * sizeof(long));
3651 for (i=0; i<num_msgs; ++i) {
3652 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
3653 msgs[i] = atol(msgtok);
3656 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
3660 cprintf("%d %d message%s deleted.\n", CIT_OK,
3661 num_deleted, ((num_deleted != 1) ? "s" : ""));
3663 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
3669 * Back end API function for moves and deletes (multiple messages)
3671 int CtdlCopyMsgsToRoom(long *msgnums, int num_msgs, char *dest) {
3674 err = CtdlSaveMsgPointersInRoom(dest, msgnums, num_msgs, 1, NULL);
3675 if (err != 0) return(err);
3684 * move or copy a message to another room
3686 void cmd_move(char *args)
3693 char targ[ROOMNAMELEN];
3694 struct ctdlroom qtemp;
3701 extract_token(msgset, args, 0, '|', sizeof msgset);
3702 num_msgs = num_tokens(msgset, ',');
3704 cprintf("%d Nothing to do.\n", CIT_OK);
3708 extract_token(targ, args, 1, '|', sizeof targ);
3709 convert_room_name_macros(targ, sizeof targ);
3710 targ[ROOMNAMELEN - 1] = 0;
3711 is_copy = extract_int(args, 2);
3713 if (getroom(&qtemp, targ) != 0) {
3714 cprintf("%d '%s' does not exist.\n",
3715 ERROR + ROOM_NOT_FOUND, targ);
3719 getuser(&CC->user, CC->curr_user);
3720 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
3722 /* Check for permission to perform this operation.
3723 * Remember: "CC->room" is source, "qtemp" is target.
3727 /* Aides can move/copy */
3728 if (CC->user.axlevel >= 6) permit = 1;
3730 /* Room aides can move/copy */
3731 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
3733 /* Permit move/copy from personal rooms */
3734 if ((CC->room.QRflags & QR_MAILBOX)
3735 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3737 /* Permit only copy from public to personal room */
3739 && (!(CC->room.QRflags & QR_MAILBOX))
3740 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3742 /* User must have access to target room */
3743 if (!(ra & UA_KNOWN)) permit = 0;
3746 cprintf("%d Higher access required.\n",
3747 ERROR + HIGHER_ACCESS_REQUIRED);
3752 * Build our message set to be moved/copied
3754 msgs = malloc(num_msgs * sizeof(long));
3755 for (i=0; i<num_msgs; ++i) {
3756 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
3757 msgs[i] = atol(msgtok);
3763 err = CtdlCopyMsgsToRoom(msgs, num_msgs, targ);
3765 cprintf("%d Cannot store message(s) in %s: error %d\n",
3771 /* Now delete the message from the source room,
3772 * if this is a 'move' rather than a 'copy' operation.
3775 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
3779 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
3785 * GetMetaData() - Get the supplementary record for a message
3787 void GetMetaData(struct MetaData *smibuf, long msgnum)
3790 struct cdbdata *cdbsmi;
3793 memset(smibuf, 0, sizeof(struct MetaData));
3794 smibuf->meta_msgnum = msgnum;
3795 smibuf->meta_refcount = 1; /* Default reference count is 1 */
3797 /* Use the negative of the message number for its supp record index */
3798 TheIndex = (0L - msgnum);
3800 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
3801 if (cdbsmi == NULL) {
3802 return; /* record not found; go with defaults */
3804 memcpy(smibuf, cdbsmi->ptr,
3805 ((cdbsmi->len > sizeof(struct MetaData)) ?
3806 sizeof(struct MetaData) : cdbsmi->len));
3813 * PutMetaData() - (re)write supplementary record for a message
3815 void PutMetaData(struct MetaData *smibuf)
3819 /* Use the negative of the message number for the metadata db index */
3820 TheIndex = (0L - smibuf->meta_msgnum);
3822 cdb_store(CDB_MSGMAIN,
3823 &TheIndex, (int)sizeof(long),
3824 smibuf, (int)sizeof(struct MetaData));
3829 * AdjRefCount - submit an adjustment to the reference count for a message.
3830 * (These are just queued -- we actually process them later.)
3832 void AdjRefCount(long msgnum, int incr)
3834 struct arcq new_arcq;
3836 begin_critical_section(S_SUPPMSGMAIN);
3837 if (arcfp == NULL) {
3838 arcfp = fopen(file_arcq, "ab+");
3840 end_critical_section(S_SUPPMSGMAIN);
3842 /* msgnum < 0 means that we're trying to close the file */
3844 lprintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
3845 begin_critical_section(S_SUPPMSGMAIN);
3846 if (arcfp != NULL) {
3850 end_critical_section(S_SUPPMSGMAIN);
3855 * If we can't open the queue, perform the operation synchronously.
3857 if (arcfp == NULL) {
3858 TDAP_AdjRefCount(msgnum, incr);
3862 new_arcq.arcq_msgnum = msgnum;
3863 new_arcq.arcq_delta = incr;
3864 fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
3872 * TDAP_ProcessAdjRefCountQueue()
3874 * Process the queue of message count adjustments that was created by calls
3875 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
3876 * for each one. This should be an "off hours" operation.
3878 int TDAP_ProcessAdjRefCountQueue(void)
3880 char file_arcq_temp[PATH_MAX];
3883 struct arcq arcq_rec;
3884 int num_records_processed = 0;
3886 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s2", file_arcq);
3888 begin_critical_section(S_SUPPMSGMAIN);
3889 if (arcfp != NULL) {
3894 r = link(file_arcq, file_arcq_temp);
3896 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3897 end_critical_section(S_SUPPMSGMAIN);
3898 return(num_records_processed);
3902 end_critical_section(S_SUPPMSGMAIN);
3904 fp = fopen(file_arcq_temp, "rb");
3906 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3907 return(num_records_processed);
3910 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
3911 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
3912 ++num_records_processed;
3916 r = unlink(file_arcq_temp);
3918 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3921 return(num_records_processed);
3927 * TDAP_AdjRefCount - adjust the reference count for a message.
3928 * This one does it "for real" because it's called by
3929 * the autopurger function that processes the queue
3930 * created by AdjRefCount(). If a message's reference
3931 * count becomes zero, we also delete the message from
3932 * disk and de-index it.
3934 void TDAP_AdjRefCount(long msgnum, int incr)
3937 struct MetaData smi;
3940 /* This is a *tight* critical section; please keep it that way, as
3941 * it may get called while nested in other critical sections.
3942 * Complicating this any further will surely cause deadlock!
3944 begin_critical_section(S_SUPPMSGMAIN);
3945 GetMetaData(&smi, msgnum);
3946 smi.meta_refcount += incr;
3948 end_critical_section(S_SUPPMSGMAIN);
3949 lprintf(CTDL_DEBUG, "msg %ld ref count delta %d, is now %d\n",
3950 msgnum, incr, smi.meta_refcount);
3952 /* If the reference count is now zero, delete the message
3953 * (and its supplementary record as well).
3955 if (smi.meta_refcount == 0) {
3956 lprintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
3958 /* Remove from fulltext index */
3959 if (config.c_enable_fulltext) {
3960 ft_index_message(msgnum, 0);
3963 /* Remove from message base */
3965 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
3966 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
3968 /* Remove metadata record */
3969 delnum = (0L - msgnum);
3970 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
3976 * Write a generic object to this room
3978 * Note: this could be much more efficient. Right now we use two temporary
3979 * files, and still pull the message into memory as with all others.
3981 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3982 char *content_type, /* MIME type of this object */
3983 char *tempfilename, /* Where to fetch it from */
3984 struct ctdluser *is_mailbox, /* Mailbox room? */
3985 int is_binary, /* Is encoding necessary? */
3986 int is_unique, /* Del others of this type? */
3987 unsigned int flags /* Internal save flags */
3992 struct ctdlroom qrbuf;
3993 char roomname[ROOMNAMELEN];
3994 struct CtdlMessage *msg;
3996 char *raw_message = NULL;
3997 char *encoded_message = NULL;
3998 off_t raw_length = 0;
4000 if (is_mailbox != NULL) {
4001 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4004 safestrncpy(roomname, req_room, sizeof(roomname));
4007 fp = fopen(tempfilename, "rb");
4009 lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
4010 tempfilename, strerror(errno));
4013 fseek(fp, 0L, SEEK_END);
4014 raw_length = ftell(fp);
4016 lprintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4018 raw_message = malloc((size_t)raw_length + 2);
4019 fread(raw_message, (size_t)raw_length, 1, fp);
4023 encoded_message = malloc((size_t)
4024 (((raw_length * 134) / 100) + 4096 ) );
4027 encoded_message = malloc((size_t)(raw_length + 4096));
4030 sprintf(encoded_message, "Content-type: %s\n", content_type);
4033 sprintf(&encoded_message[strlen(encoded_message)],
4034 "Content-transfer-encoding: base64\n\n"
4038 sprintf(&encoded_message[strlen(encoded_message)],
4039 "Content-transfer-encoding: 7bit\n\n"
4045 &encoded_message[strlen(encoded_message)],
4051 raw_message[raw_length] = 0;
4053 &encoded_message[strlen(encoded_message)],
4061 lprintf(CTDL_DEBUG, "Allocating\n");
4062 msg = malloc(sizeof(struct CtdlMessage));
4063 memset(msg, 0, sizeof(struct CtdlMessage));
4064 msg->cm_magic = CTDLMESSAGE_MAGIC;
4065 msg->cm_anon_type = MES_NORMAL;
4066 msg->cm_format_type = 4;
4067 msg->cm_fields['A'] = strdup(CC->user.fullname);
4068 msg->cm_fields['O'] = strdup(req_room);
4069 msg->cm_fields['N'] = strdup(config.c_nodename);
4070 msg->cm_fields['H'] = strdup(config.c_humannode);
4071 msg->cm_flags = flags;
4073 msg->cm_fields['M'] = encoded_message;
4075 /* Create the requested room if we have to. */
4076 if (getroom(&qrbuf, roomname) != 0) {
4077 create_room(roomname,
4078 ( (is_mailbox != NULL) ? 5 : 3 ),
4079 "", 0, 1, 0, VIEW_BBS);
4081 /* If the caller specified this object as unique, delete all
4082 * other objects of this type that are currently in the room.
4085 lprintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4086 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4089 /* Now write the data */
4090 CtdlSubmitMsg(msg, NULL, roomname);
4091 CtdlFreeMessage(msg);
4099 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4100 config_msgnum = msgnum;
4104 char *CtdlGetSysConfig(char *sysconfname) {
4105 char hold_rm[ROOMNAMELEN];
4108 struct CtdlMessage *msg;
4111 strcpy(hold_rm, CC->room.QRname);
4112 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
4113 getroom(&CC->room, hold_rm);
4118 /* We want the last (and probably only) config in this room */
4119 begin_critical_section(S_CONFIG);
4120 config_msgnum = (-1L);
4121 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4122 CtdlGetSysConfigBackend, NULL);
4123 msgnum = config_msgnum;
4124 end_critical_section(S_CONFIG);
4130 msg = CtdlFetchMessage(msgnum, 1);
4132 conf = strdup(msg->cm_fields['M']);
4133 CtdlFreeMessage(msg);
4140 getroom(&CC->room, hold_rm);
4142 if (conf != NULL) do {
4143 extract_token(buf, conf, 0, '\n', sizeof buf);
4144 strcpy(conf, &conf[strlen(buf)+1]);
4145 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
4150 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4151 char temp[PATH_MAX];
4154 CtdlMakeTempFileName(temp, sizeof temp);
4156 fp = fopen(temp, "w");
4157 if (fp == NULL) return;
4158 fprintf(fp, "%s", sysconfdata);
4161 /* this handy API function does all the work for us */
4162 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
4168 * Determine whether a given Internet address belongs to the current user
4170 int CtdlIsMe(char *addr, int addr_buf_len)
4172 struct recptypes *recp;
4175 recp = validate_recipients(addr);
4176 if (recp == NULL) return(0);
4178 if (recp->num_local == 0) {
4183 for (i=0; i<recp->num_local; ++i) {
4184 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4185 if (!strcasecmp(addr, CC->user.fullname)) {
4197 * Citadel protocol command to do the same
4199 void cmd_isme(char *argbuf) {
4202 if (CtdlAccessCheck(ac_logged_in)) return;
4203 extract_token(addr, argbuf, 0, '|', sizeof addr);
4205 if (CtdlIsMe(addr, sizeof addr)) {
4206 cprintf("%d %s\n", CIT_OK, addr);
4209 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);