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 */
247 * Back end for the MSGS command: output message number only.
249 void simple_listing(long msgnum, void *userdata)
251 cprintf("%ld\n", msgnum);
257 * Back end for the MSGS command: output header summary.
259 void headers_listing(long msgnum, void *userdata)
261 struct CtdlMessage *msg;
263 msg = CtdlFetchMessage(msgnum, 0);
265 cprintf("%ld|0|||||\n", msgnum);
269 cprintf("%ld|%s|%s|%s|%s|%s|\n",
271 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
272 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
273 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
274 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
275 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
277 CtdlFreeMessage(msg);
282 /* Determine if a given message matches the fields in a message template.
283 * Return 0 for a successful match.
285 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
288 /* If there aren't any fields in the template, all messages will
291 if (template == NULL) return(0);
293 /* Null messages are bogus. */
294 if (msg == NULL) return(1);
296 for (i='A'; i<='Z'; ++i) {
297 if (template->cm_fields[i] != NULL) {
298 if (msg->cm_fields[i] == NULL) {
301 if (strcasecmp(msg->cm_fields[i],
302 template->cm_fields[i])) return 1;
306 /* All compares succeeded: we have a match! */
313 * Retrieve the "seen" message list for the current room.
315 void CtdlGetSeen(char *buf, int which_set) {
318 /* Learn about the user and room in question */
319 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
321 if (which_set == ctdlsetseen_seen)
322 safestrncpy(buf, vbuf.v_seen, SIZ);
323 if (which_set == ctdlsetseen_answered)
324 safestrncpy(buf, vbuf.v_answered, SIZ);
330 * Manipulate the "seen msgs" string (or other message set strings)
332 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
333 int target_setting, int which_set,
334 struct ctdluser *which_user, struct ctdlroom *which_room) {
335 struct cdbdata *cdbfr;
347 char *is_set; /* actually an array of booleans */
350 char setstr[SIZ], lostr[SIZ], histr[SIZ];
353 /* Don't bother doing *anything* if we were passed a list of zero messages */
354 if (num_target_msgnums < 1) {
358 lprintf(CTDL_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %d, %d)\n",
359 num_target_msgnums, target_msgnums[0],
360 target_setting, which_set);
362 /* Learn about the user and room in question */
363 CtdlGetRelationship(&vbuf,
364 ((which_user != NULL) ? which_user : &CC->user),
365 ((which_room != NULL) ? which_room : &CC->room)
368 /* Load the message list */
369 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
371 msglist = (long *) cdbfr->ptr;
372 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
373 num_msgs = cdbfr->len / sizeof(long);
376 return; /* No messages at all? No further action. */
379 is_set = malloc(num_msgs * sizeof(char));
380 memset(is_set, 0, (num_msgs * sizeof(char)) );
382 /* Decide which message set we're manipulating */
384 case ctdlsetseen_seen:
385 safestrncpy(vset, vbuf.v_seen, sizeof vset);
387 case ctdlsetseen_answered:
388 safestrncpy(vset, vbuf.v_answered, sizeof vset);
392 /* lprintf(CTDL_DEBUG, "before optimize: %s\n", vset); */
394 /* Translate the existing sequence set into an array of booleans */
395 num_sets = num_tokens(vset, ',');
396 for (s=0; s<num_sets; ++s) {
397 extract_token(setstr, vset, s, ',', sizeof setstr);
399 extract_token(lostr, setstr, 0, ':', sizeof lostr);
400 if (num_tokens(setstr, ':') >= 2) {
401 extract_token(histr, setstr, 1, ':', sizeof histr);
402 if (!strcmp(histr, "*")) {
403 snprintf(histr, sizeof histr, "%ld", LONG_MAX);
407 strcpy(histr, lostr);
412 for (i = 0; i < num_msgs; ++i) {
413 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
419 /* Now translate the array of booleans back into a sequence set */
424 for (i=0; i<num_msgs; ++i) {
426 is_seen = is_set[i]; /* Default to existing setting */
428 for (k=0; k<num_target_msgnums; ++k) {
429 if (msglist[i] == target_msgnums[k]) {
430 is_seen = target_setting;
435 if (lo < 0L) lo = msglist[i];
439 if ( ((is_seen == 0) && (was_seen == 1))
440 || ((is_seen == 1) && (i == num_msgs-1)) ) {
442 /* begin trim-o-matic code */
445 while ( (strlen(vset) + 20) > sizeof vset) {
446 remove_token(vset, 0, ',');
448 if (j--) break; /* loop no more than 9 times */
450 if ( (trimming) && (which_set == ctdlsetseen_seen) ) {
454 snprintf(lostr, sizeof lostr,
455 "1:%ld,%s", t, vset);
456 safestrncpy(vset, lostr, sizeof vset);
458 /* end trim-o-matic code */
466 snprintf(&vset[tmp], (sizeof vset) - tmp,
470 snprintf(&vset[tmp], (sizeof vset) - tmp,
479 /* Decide which message set we're manipulating */
481 case ctdlsetseen_seen:
482 safestrncpy(vbuf.v_seen, vset, sizeof vbuf.v_seen);
484 case ctdlsetseen_answered:
485 safestrncpy(vbuf.v_answered, vset,
486 sizeof vbuf.v_answered);
491 /* lprintf(CTDL_DEBUG, " after optimize: %s\n", vset); */
493 CtdlSetRelationship(&vbuf,
494 ((which_user != NULL) ? which_user : &CC->user),
495 ((which_room != NULL) ? which_room : &CC->room)
501 * API function to perform an operation for each qualifying message in the
502 * current room. (Returns the number of messages processed.)
504 int CtdlForEachMessage(int mode, long ref, char *search_string,
506 struct CtdlMessage *compare,
507 void (*CallBack) (long, void *),
513 struct cdbdata *cdbfr;
514 long *msglist = NULL;
516 int num_processed = 0;
519 struct CtdlMessage *msg = NULL;
522 int printed_lastold = 0;
523 int num_search_msgs = 0;
524 long *search_msgs = NULL;
526 /* Learn about the user and room in question */
527 getuser(&CC->user, CC->curr_user);
528 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
530 /* Load the message list */
531 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
533 msglist = (long *) cdbfr->ptr;
534 cdbfr->ptr = NULL; /* CtdlForEachMessage() now owns this memory */
535 num_msgs = cdbfr->len / sizeof(long);
538 return 0; /* No messages at all? No further action. */
543 * Now begin the traversal.
545 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
547 /* If the caller is looking for a specific MIME type, filter
548 * out all messages which are not of the type requested.
550 if (content_type != NULL) if (strlen(content_type) > 0) {
552 /* This call to GetMetaData() sits inside this loop
553 * so that we only do the extra database read per msg
554 * if we need to. Doing the extra read all the time
555 * really kills the server. If we ever need to use
556 * metadata for another search criterion, we need to
557 * move the read somewhere else -- but still be smart
558 * enough to only do the read if the caller has
559 * specified something that will need it.
561 GetMetaData(&smi, msglist[a]);
563 if (strcasecmp(smi.meta_content_type, content_type)) {
569 num_msgs = sort_msglist(msglist, num_msgs);
571 /* If a template was supplied, filter out the messages which
572 * don't match. (This could induce some delays!)
575 if (compare != NULL) {
576 for (a = 0; a < num_msgs; ++a) {
577 msg = CtdlFetchMessage(msglist[a], 1);
579 if (CtdlMsgCmp(msg, compare)) {
582 CtdlFreeMessage(msg);
588 /* If a search string was specified, get a message list from
589 * the full text index and remove messages which aren't on both
593 * Since the lists are sorted and strictly ascending, and the
594 * output list is guaranteed to be shorter than or equal to the
595 * input list, we overwrite the bottom of the input list. This
596 * eliminates the need to memmove big chunks of the list over and
599 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
600 ft_search(&num_search_msgs, &search_msgs, search_string);
601 if (num_search_msgs > 0) {
605 orig_num_msgs = num_msgs;
607 for (i=0; i<orig_num_msgs; ++i) {
608 for (j=0; j<num_search_msgs; ++j) {
609 if (msglist[i] == search_msgs[j]) {
610 msglist[num_msgs++] = msglist[i];
616 num_msgs = 0; /* No messages qualify */
618 if (search_msgs != NULL) free(search_msgs);
620 /* Now that we've purged messages which don't contain the search
621 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
628 * Now iterate through the message list, according to the
629 * criteria supplied by the caller.
632 for (a = 0; a < num_msgs; ++a) {
633 thismsg = msglist[a];
634 if (mode == MSGS_ALL) {
638 is_seen = is_msg_in_sequence_set(
639 vbuf.v_seen, thismsg);
640 if (is_seen) lastold = thismsg;
646 || ((mode == MSGS_OLD) && (is_seen))
647 || ((mode == MSGS_NEW) && (!is_seen))
648 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
649 || ((mode == MSGS_FIRST) && (a < ref))
650 || ((mode == MSGS_GT) && (thismsg > ref))
651 || ((mode == MSGS_EQ) && (thismsg == ref))
654 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
656 CallBack(lastold, userdata);
660 if (CallBack) CallBack(thismsg, userdata);
664 free(msglist); /* Clean up */
665 return num_processed;
671 * cmd_msgs() - get list of message #'s in this room
672 * implements the MSGS server command using CtdlForEachMessage()
674 void cmd_msgs(char *cmdbuf)
683 int with_template = 0;
684 struct CtdlMessage *template = NULL;
685 int with_headers = 0;
686 char search_string[1024];
688 extract_token(which, cmdbuf, 0, '|', sizeof which);
689 cm_ref = extract_int(cmdbuf, 1);
690 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
691 with_template = extract_int(cmdbuf, 2);
692 with_headers = extract_int(cmdbuf, 3);
695 if (!strncasecmp(which, "OLD", 3))
697 else if (!strncasecmp(which, "NEW", 3))
699 else if (!strncasecmp(which, "FIRST", 5))
701 else if (!strncasecmp(which, "LAST", 4))
703 else if (!strncasecmp(which, "GT", 2))
705 else if (!strncasecmp(which, "SEARCH", 6))
710 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
711 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
715 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
716 cprintf("%d Full text index is not enabled on this server.\n",
717 ERROR + CMD_NOT_SUPPORTED);
723 cprintf("%d Send template then receive message list\n",
725 template = (struct CtdlMessage *)
726 malloc(sizeof(struct CtdlMessage));
727 memset(template, 0, sizeof(struct CtdlMessage));
728 template->cm_magic = CTDLMESSAGE_MAGIC;
729 template->cm_anon_type = MES_NORMAL;
731 while(client_getln(buf, sizeof buf), strcmp(buf,"000")) {
732 extract_token(tfield, buf, 0, '|', sizeof tfield);
733 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
734 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
735 if (!strcasecmp(tfield, msgkeys[i])) {
736 template->cm_fields[i] =
744 cprintf("%d \n", LISTING_FOLLOWS);
747 CtdlForEachMessage(mode,
748 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
749 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
752 (with_headers ? headers_listing : simple_listing),
755 if (template != NULL) CtdlFreeMessage(template);
763 * help_subst() - support routine for help file viewer
765 void help_subst(char *strbuf, char *source, char *dest)
770 while (p = pattern2(strbuf, source), (p >= 0)) {
771 strcpy(workbuf, &strbuf[p + strlen(source)]);
772 strcpy(&strbuf[p], dest);
773 strcat(strbuf, workbuf);
778 void do_help_subst(char *buffer)
782 help_subst(buffer, "^nodename", config.c_nodename);
783 help_subst(buffer, "^humannode", config.c_humannode);
784 help_subst(buffer, "^fqdn", config.c_fqdn);
785 help_subst(buffer, "^username", CC->user.fullname);
786 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
787 help_subst(buffer, "^usernum", buf2);
788 help_subst(buffer, "^sysadm", config.c_sysadm);
789 help_subst(buffer, "^variantname", CITADEL);
790 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
791 help_subst(buffer, "^maxsessions", buf2);
792 help_subst(buffer, "^bbsdir", ctdl_bbsbase_dir);
798 * memfmout() - Citadel text formatter and paginator.
799 * Although the original purpose of this routine was to format
800 * text to the reader's screen width, all we're really using it
801 * for here is to format text out to 80 columns before sending it
802 * to the client. The client software may reformat it again.
805 char *mptr, /* where are we going to get our text from? */
806 char subst, /* nonzero if we should do substitutions */
807 char *nl) /* string to terminate lines with */
815 static int width = 80;
820 c = 1; /* c is the current pos */
824 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
826 buffer[strlen(buffer) + 1] = 0;
827 buffer[strlen(buffer)] = ch;
830 if (buffer[0] == '^')
831 do_help_subst(buffer);
833 buffer[strlen(buffer) + 1] = 0;
835 strcpy(buffer, &buffer[1]);
843 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10)) {
846 if (((old == 13) || (old == 10)) && (isspace(real))) {
851 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
852 cprintf("%s%s", nl, aaa);
861 if ((strlen(aaa) + c) > (width - 5)) {
870 if ((ch == 13) || (ch == 10)) {
871 cprintf("%s%s", aaa, nl);
878 cprintf("%s%s", aaa, nl);
884 * Callback function for mime parser that simply lists the part
886 void list_this_part(char *name, char *filename, char *partnum, char *disp,
887 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
892 ma = (struct ma_info *)cbuserdata;
893 if (ma->is_ma == 0) {
894 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
895 name, filename, partnum, disp, cbtype, (long)length);
900 * Callback function for multipart prefix
902 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
903 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
908 ma = (struct ma_info *)cbuserdata;
909 if (!strcasecmp(cbtype, "multipart/alternative")) {
913 if (ma->is_ma == 0) {
914 cprintf("pref=%s|%s\n", partnum, cbtype);
919 * Callback function for multipart sufffix
921 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
922 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
927 ma = (struct ma_info *)cbuserdata;
928 if (ma->is_ma == 0) {
929 cprintf("suff=%s|%s\n", partnum, cbtype);
931 if (!strcasecmp(cbtype, "multipart/alternative")) {
938 * Callback function for mime parser that opens a section for downloading
940 void mime_download(char *name, char *filename, char *partnum, char *disp,
941 void *content, char *cbtype, char *cbcharset, size_t length,
942 char *encoding, void *cbuserdata)
945 /* Silently go away if there's already a download open... */
946 if (CC->download_fp != NULL)
949 /* ...or if this is not the desired section */
950 if (strcasecmp(CC->download_desired_section, partnum))
953 CC->download_fp = tmpfile();
954 if (CC->download_fp == NULL)
957 fwrite(content, length, 1, CC->download_fp);
958 fflush(CC->download_fp);
959 rewind(CC->download_fp);
961 OpenCmdResult(filename, cbtype);
967 * Callback function for mime parser that outputs a section all at once
969 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
970 void *content, char *cbtype, char *cbcharset, size_t length,
971 char *encoding, void *cbuserdata)
973 int *found_it = (int *)cbuserdata;
975 /* ...or if this is not the desired section */
976 if (strcasecmp(CC->download_desired_section, partnum))
981 cprintf("%d %d\n", BINARY_FOLLOWS, length);
982 client_write(content, length);
988 * Load a message from disk into memory.
989 * This is used by CtdlOutputMsg() and other fetch functions.
991 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
992 * using the CtdlMessageFree() function.
994 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
996 struct cdbdata *dmsgtext;
997 struct CtdlMessage *ret = NULL;
1001 cit_uint8_t field_header;
1003 lprintf(CTDL_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1005 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1006 if (dmsgtext == NULL) {
1009 mptr = dmsgtext->ptr;
1010 upper_bound = mptr + dmsgtext->len;
1012 /* Parse the three bytes that begin EVERY message on disk.
1013 * The first is always 0xFF, the on-disk magic number.
1014 * The second is the anonymous/public type byte.
1015 * The third is the format type byte (vari, fixed, or MIME).
1020 "Message %ld appears to be corrupted.\n",
1025 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1026 memset(ret, 0, sizeof(struct CtdlMessage));
1028 ret->cm_magic = CTDLMESSAGE_MAGIC;
1029 ret->cm_anon_type = *mptr++; /* Anon type byte */
1030 ret->cm_format_type = *mptr++; /* Format type byte */
1033 * The rest is zero or more arbitrary fields. Load them in.
1034 * We're done when we encounter either a zero-length field or
1035 * have just processed the 'M' (message text) field.
1038 if (mptr >= upper_bound) {
1041 field_header = *mptr++;
1042 ret->cm_fields[field_header] = strdup(mptr);
1044 while (*mptr++ != 0); /* advance to next field */
1046 } while ((mptr < upper_bound) && (field_header != 'M'));
1050 /* Always make sure there's something in the msg text field. If
1051 * it's NULL, the message text is most likely stored separately,
1052 * so go ahead and fetch that. Failing that, just set a dummy
1053 * body so other code doesn't barf.
1055 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1056 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1057 if (dmsgtext != NULL) {
1058 ret->cm_fields['M'] = strdup(dmsgtext->ptr);
1062 if (ret->cm_fields['M'] == NULL) {
1063 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1066 /* Perform "before read" hooks (aborting if any return nonzero) */
1067 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1068 CtdlFreeMessage(ret);
1077 * Returns 1 if the supplied pointer points to a valid Citadel message.
1078 * If the pointer is NULL or the magic number check fails, returns 0.
1080 int is_valid_message(struct CtdlMessage *msg) {
1083 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1084 lprintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
1092 * 'Destructor' for struct CtdlMessage
1094 void CtdlFreeMessage(struct CtdlMessage *msg)
1098 if (is_valid_message(msg) == 0)
1100 if (msg != NULL) free (msg);
1104 for (i = 0; i < 256; ++i)
1105 if (msg->cm_fields[i] != NULL) {
1106 free(msg->cm_fields[i]);
1109 msg->cm_magic = 0; /* just in case */
1115 * Pre callback function for multipart/alternative
1117 * NOTE: this differs from the standard behavior for a reason. Normally when
1118 * displaying multipart/alternative you want to show the _last_ usable
1119 * format in the message. Here we show the _first_ one, because it's
1120 * usually text/plain. Since this set of functions is designed for text
1121 * output to non-MIME-aware clients, this is the desired behavior.
1124 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1125 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1130 ma = (struct ma_info *)cbuserdata;
1131 lprintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1132 if (!strcasecmp(cbtype, "multipart/alternative")) {
1136 if (!strcasecmp(cbtype, "message/rfc822")) {
1142 * Post callback function for multipart/alternative
1144 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1145 void *content, char *cbtype, char *cbcharset, size_t length,
1146 char *encoding, void *cbuserdata)
1150 ma = (struct ma_info *)cbuserdata;
1151 lprintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1152 if (!strcasecmp(cbtype, "multipart/alternative")) {
1156 if (!strcasecmp(cbtype, "message/rfc822")) {
1162 * Inline callback function for mime parser that wants to display text
1164 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1165 void *content, char *cbtype, char *cbcharset, size_t length,
1166 char *encoding, void *cbuserdata)
1173 ma = (struct ma_info *)cbuserdata;
1176 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1177 partnum, filename, cbtype, (long)length);
1180 * If we're in the middle of a multipart/alternative scope and
1181 * we've already printed another section, skip this one.
1183 if ( (ma->is_ma) && (ma->did_print) ) {
1184 lprintf(CTDL_DEBUG, "Skipping part %s (%s)\n",
1190 if ( (!strcasecmp(cbtype, "text/plain"))
1191 || (strlen(cbtype)==0) ) {
1194 client_write(wptr, length);
1195 if (wptr[length-1] != '\n') {
1202 if (!strcasecmp(cbtype, "text/html")) {
1203 ptr = html_to_ascii(content, length, 80, 0);
1205 client_write(ptr, wlen);
1206 if (ptr[wlen-1] != '\n') {
1213 if (ma->use_fo_hooks) {
1214 if (PerformFixedOutputHooks(cbtype, content, length)) {
1215 /* above function returns nonzero if it handled the part */
1220 if (strncasecmp(cbtype, "multipart/", 10)) {
1221 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1222 partnum, filename, cbtype, (long)length);
1228 * The client is elegant and sophisticated and wants to be choosy about
1229 * MIME content types, so figure out which multipart/alternative part
1230 * we're going to send.
1232 * We use a system of weights. When we find a part that matches one of the
1233 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1234 * and then set ma->chosen_pref to that MIME type's position in our preference
1235 * list. If we then hit another match, we only replace the first match if
1236 * the preference value is lower.
1238 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1239 void *content, char *cbtype, char *cbcharset, size_t length,
1240 char *encoding, void *cbuserdata)
1246 ma = (struct ma_info *)cbuserdata;
1248 if (ma->is_ma > 0) {
1249 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1250 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1251 lprintf(CTDL_DEBUG, "Is <%s> == <%s> ??\n", buf, cbtype);
1252 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1253 if (i < ma->chosen_pref) {
1254 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1255 ma->chosen_pref = i;
1263 * Now that we've chosen our preferred part, output it.
1265 void output_preferred(char *name, char *filename, char *partnum, char *disp,
1266 void *content, char *cbtype, char *cbcharset, size_t length,
1267 char *encoding, void *cbuserdata)
1271 int add_newline = 0;
1275 ma = (struct ma_info *)cbuserdata;
1277 /* This is not the MIME part you're looking for... */
1278 if (strcasecmp(partnum, ma->chosen_part)) return;
1280 /* If the content-type of this part is in our preferred formats
1281 * list, we can simply output it verbatim.
1283 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1284 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1285 if (!strcasecmp(buf, cbtype)) {
1286 /* Yeah! Go! W00t!! */
1288 text_content = (char *)content;
1289 if (text_content[length-1] != '\n') {
1293 cprintf("Content-type: %s", cbtype);
1294 if (strlen(cbcharset) > 0) {
1295 cprintf("; charset=%s", cbcharset);
1297 cprintf("\nContent-length: %d\n",
1298 (int)(length + add_newline) );
1299 if (strlen(encoding) > 0) {
1300 cprintf("Content-transfer-encoding: %s\n", encoding);
1303 cprintf("Content-transfer-encoding: 7bit\n");
1306 client_write(content, length);
1307 if (add_newline) cprintf("\n");
1312 /* No translations required or possible: output as text/plain */
1313 cprintf("Content-type: text/plain\n\n");
1314 fixed_output(name, filename, partnum, disp, content, cbtype, cbcharset,
1315 length, encoding, cbuserdata);
1320 char desired_section[64];
1327 * Callback function for
1329 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1330 void *content, char *cbtype, char *cbcharset, size_t length,
1331 char *encoding, void *cbuserdata)
1333 struct encapmsg *encap;
1335 encap = (struct encapmsg *)cbuserdata;
1337 /* Only proceed if this is the desired section... */
1338 if (!strcasecmp(encap->desired_section, partnum)) {
1339 encap->msglen = length;
1340 encap->msg = malloc(length + 2);
1341 memcpy(encap->msg, content, length);
1351 * Get a message off disk. (returns om_* values found in msgbase.h)
1354 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1355 int mode, /* how would you like that message? */
1356 int headers_only, /* eschew the message body? */
1357 int do_proto, /* do Citadel protocol responses? */
1358 int crlf, /* Use CRLF newlines instead of LF? */
1359 char *section /* NULL or a message/rfc822 section */
1361 struct CtdlMessage *TheMessage = NULL;
1362 int retcode = om_no_such_msg;
1363 struct encapmsg encap;
1365 lprintf(CTDL_DEBUG, "CtdlOutputMsg() msgnum=%ld, mode=%d, section=%s\n",
1367 (section ? section : "<>")
1370 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1371 if (do_proto) cprintf("%d Not logged in.\n",
1372 ERROR + NOT_LOGGED_IN);
1373 return(om_not_logged_in);
1376 /* FIXME: check message id against msglist for this room */
1379 * Fetch the message from disk. If we're in any sort of headers
1380 * only mode, request that we don't even bother loading the body
1383 if ( (headers_only == HEADERS_FAST) || (headers_only == HEADERS_ONLY) ) {
1384 TheMessage = CtdlFetchMessage(msg_num, 0);
1387 TheMessage = CtdlFetchMessage(msg_num, 1);
1390 if (TheMessage == NULL) {
1391 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1392 ERROR + MESSAGE_NOT_FOUND, msg_num);
1393 return(om_no_such_msg);
1396 /* Here is the weird form of this command, to process only an
1397 * encapsulated message/rfc822 section.
1399 if (section) if (strlen(section)>0) if (strcmp(section, "0")) {
1400 memset(&encap, 0, sizeof encap);
1401 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1402 mime_parser(TheMessage->cm_fields['M'],
1404 *extract_encapsulated_message,
1405 NULL, NULL, (void *)&encap, 0
1407 CtdlFreeMessage(TheMessage);
1411 encap.msg[encap.msglen] = 0;
1412 TheMessage = convert_internet_message(encap.msg);
1413 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1415 /* Now we let it fall through to the bottom of this
1416 * function, because TheMessage now contains the
1417 * encapsulated message instead of the top-level
1418 * message. Isn't that neat?
1423 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1424 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1425 retcode = om_no_such_msg;
1430 /* Ok, output the message now */
1431 retcode = CtdlOutputPreLoadedMsg(
1433 headers_only, do_proto, crlf);
1434 CtdlFreeMessage(TheMessage);
1441 * Get a message off disk. (returns om_* values found in msgbase.h)
1444 int CtdlOutputPreLoadedMsg(
1445 struct CtdlMessage *TheMessage,
1446 int mode, /* how would you like that message? */
1447 int headers_only, /* eschew the message body? */
1448 int do_proto, /* do Citadel protocol responses? */
1449 int crlf /* Use CRLF newlines instead of LF? */
1455 char display_name[256];
1457 char *nl; /* newline string */
1459 int subject_found = 0;
1462 /* Buffers needed for RFC822 translation. These are all filled
1463 * using functions that are bounds-checked, and therefore we can
1464 * make them substantially smaller than SIZ.
1472 char datestamp[100];
1474 lprintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
1475 ((TheMessage == NULL) ? "NULL" : "not null"),
1476 mode, headers_only, do_proto, crlf);
1478 strcpy(mid, "unknown");
1479 nl = (crlf ? "\r\n" : "\n");
1481 if (!is_valid_message(TheMessage)) {
1483 "ERROR: invalid preloaded message for output\n");
1484 return(om_no_such_msg);
1487 /* Are we downloading a MIME component? */
1488 if (mode == MT_DOWNLOAD) {
1489 if (TheMessage->cm_format_type != FMT_RFC822) {
1491 cprintf("%d This is not a MIME message.\n",
1492 ERROR + ILLEGAL_VALUE);
1493 } else if (CC->download_fp != NULL) {
1494 if (do_proto) cprintf(
1495 "%d You already have a download open.\n",
1496 ERROR + RESOURCE_BUSY);
1498 /* Parse the message text component */
1499 mptr = TheMessage->cm_fields['M'];
1500 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
1501 /* If there's no file open by this time, the requested
1502 * section wasn't found, so print an error
1504 if (CC->download_fp == NULL) {
1505 if (do_proto) cprintf(
1506 "%d Section %s not found.\n",
1507 ERROR + FILE_NOT_FOUND,
1508 CC->download_desired_section);
1511 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1514 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
1515 * in a single server operation instead of opening a download file.
1517 if (mode == MT_SPEW_SECTION) {
1518 if (TheMessage->cm_format_type != FMT_RFC822) {
1520 cprintf("%d This is not a MIME message.\n",
1521 ERROR + ILLEGAL_VALUE);
1523 /* Parse the message text component */
1526 mptr = TheMessage->cm_fields['M'];
1527 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
1528 /* If section wasn't found, print an error
1531 if (do_proto) cprintf(
1532 "%d Section %s not found.\n",
1533 ERROR + FILE_NOT_FOUND,
1534 CC->download_desired_section);
1537 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1540 /* now for the user-mode message reading loops */
1541 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
1543 /* Does the caller want to skip the headers? */
1544 if (headers_only == HEADERS_NONE) goto START_TEXT;
1546 /* Tell the client which format type we're using. */
1547 if ( (mode == MT_CITADEL) && (do_proto) ) {
1548 cprintf("type=%d\n", TheMessage->cm_format_type);
1551 /* nhdr=yes means that we're only displaying headers, no body */
1552 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1553 && (mode == MT_CITADEL)
1556 cprintf("nhdr=yes\n");
1559 /* begin header processing loop for Citadel message format */
1561 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1563 safestrncpy(display_name, "<unknown>", sizeof display_name);
1564 if (TheMessage->cm_fields['A']) {
1565 strcpy(buf, TheMessage->cm_fields['A']);
1566 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1567 safestrncpy(display_name, "****", sizeof display_name);
1569 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1570 safestrncpy(display_name, "anonymous", sizeof display_name);
1573 safestrncpy(display_name, buf, sizeof display_name);
1575 if ((is_room_aide())
1576 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1577 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1578 size_t tmp = strlen(display_name);
1579 snprintf(&display_name[tmp],
1580 sizeof display_name - tmp,
1585 /* Don't show Internet address for users on the
1586 * local Citadel network.
1589 if (TheMessage->cm_fields['N'] != NULL)
1590 if (strlen(TheMessage->cm_fields['N']) > 0)
1591 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1595 /* Now spew the header fields in the order we like them. */
1596 safestrncpy(allkeys, FORDER, sizeof allkeys);
1597 for (i=0; i<strlen(allkeys); ++i) {
1598 k = (int) allkeys[i];
1600 if ( (TheMessage->cm_fields[k] != NULL)
1601 && (msgkeys[k] != NULL) ) {
1603 if (do_proto) cprintf("%s=%s\n",
1607 else if ((k == 'F') && (suppress_f)) {
1610 /* Masquerade display name if needed */
1612 if (do_proto) cprintf("%s=%s\n",
1614 TheMessage->cm_fields[k]
1623 /* begin header processing loop for RFC822 transfer format */
1628 strcpy(snode, NODENAME);
1629 strcpy(lnode, HUMANNODE);
1630 if (mode == MT_RFC822) {
1631 for (i = 0; i < 256; ++i) {
1632 if (TheMessage->cm_fields[i]) {
1633 mptr = TheMessage->cm_fields[i];
1636 safestrncpy(luser, mptr, sizeof luser);
1637 safestrncpy(suser, mptr, sizeof suser);
1639 else if (i == 'Y') {
1640 cprintf("CC: %s%s", mptr, nl);
1642 else if (i == 'P') {
1643 cprintf("Return-Path: %s%s", mptr, nl);
1645 else if (i == 'V') {
1646 cprintf("Envelope-To: %s%s", mptr, nl);
1648 else if (i == 'U') {
1649 cprintf("Subject: %s%s", mptr, nl);
1653 safestrncpy(mid, mptr, sizeof mid);
1655 safestrncpy(lnode, mptr, sizeof lnode);
1657 safestrncpy(fuser, mptr, sizeof fuser);
1658 /* else if (i == 'O')
1659 cprintf("X-Citadel-Room: %s%s",
1662 safestrncpy(snode, mptr, sizeof snode);
1664 cprintf("To: %s%s", mptr, nl);
1665 else if (i == 'T') {
1666 datestring(datestamp, sizeof datestamp,
1667 atol(mptr), DATESTRING_RFC822);
1668 cprintf("Date: %s%s", datestamp, nl);
1672 if (subject_found == 0) {
1673 cprintf("Subject: (no subject)%s", nl);
1677 for (i=0; i<strlen(suser); ++i) {
1678 suser[i] = tolower(suser[i]);
1679 if (!isalnum(suser[i])) suser[i]='_';
1682 if (mode == MT_RFC822) {
1683 if (!strcasecmp(snode, NODENAME)) {
1684 safestrncpy(snode, FQDN, sizeof snode);
1687 /* Construct a fun message id */
1688 cprintf("Message-ID: <%s", mid);
1689 if (strchr(mid, '@')==NULL) {
1690 cprintf("@%s", snode);
1694 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
1695 cprintf("From: \"----\" <x@x.org>%s", nl);
1697 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
1698 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
1700 else if (strlen(fuser) > 0) {
1701 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
1704 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
1707 cprintf("Organization: %s%s", lnode, nl);
1709 /* Blank line signifying RFC822 end-of-headers */
1710 if (TheMessage->cm_format_type != FMT_RFC822) {
1715 /* end header processing loop ... at this point, we're in the text */
1717 if (headers_only == HEADERS_FAST) goto DONE;
1718 mptr = TheMessage->cm_fields['M'];
1720 /* Tell the client about the MIME parts in this message */
1721 if (TheMessage->cm_format_type == FMT_RFC822) {
1722 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1723 memset(&ma, 0, sizeof(struct ma_info));
1724 mime_parser(mptr, NULL,
1725 (do_proto ? *list_this_part : NULL),
1726 (do_proto ? *list_this_pref : NULL),
1727 (do_proto ? *list_this_suff : NULL),
1730 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1731 char *start_of_text = NULL;
1732 start_of_text = strstr(mptr, "\n\r\n");
1733 if (start_of_text == NULL) start_of_text = strstr(mptr, "\n\n");
1734 if (start_of_text == NULL) start_of_text = mptr;
1736 start_of_text = strstr(start_of_text, "\n");
1741 int nllen = strlen(nl);
1742 while (ch=*mptr, ch!=0) {
1748 ((headers_only == HEADERS_NONE) && (mptr >= start_of_text))
1749 || ((headers_only == HEADERS_ONLY) && (mptr < start_of_text))
1750 || ((headers_only != HEADERS_NONE) && (headers_only != HEADERS_ONLY))
1753 sprintf(&outbuf[outlen], "%s", nl);
1757 outbuf[outlen++] = ch;
1762 if (outlen > 1000) {
1763 client_write(outbuf, outlen);
1768 client_write(outbuf, outlen);
1776 if (headers_only == HEADERS_ONLY) {
1780 /* signify start of msg text */
1781 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1782 if (do_proto) cprintf("text\n");
1785 /* If the format type on disk is 1 (fixed-format), then we want
1786 * everything to be output completely literally ... regardless of
1787 * what message transfer format is in use.
1789 if (TheMessage->cm_format_type == FMT_FIXED) {
1790 if (mode == MT_MIME) {
1791 cprintf("Content-type: text/plain\n\n");
1794 while (ch = *mptr++, ch > 0) {
1797 if ((ch == 10) || (strlen(buf) > 250)) {
1798 cprintf("%s%s", buf, nl);
1801 buf[strlen(buf) + 1] = 0;
1802 buf[strlen(buf)] = ch;
1805 if (strlen(buf) > 0)
1806 cprintf("%s%s", buf, nl);
1809 /* If the message on disk is format 0 (Citadel vari-format), we
1810 * output using the formatter at 80 columns. This is the final output
1811 * form if the transfer format is RFC822, but if the transfer format
1812 * is Citadel proprietary, it'll still work, because the indentation
1813 * for new paragraphs is correct and the client will reformat the
1814 * message to the reader's screen width.
1816 if (TheMessage->cm_format_type == FMT_CITADEL) {
1817 if (mode == MT_MIME) {
1818 cprintf("Content-type: text/x-citadel-variformat\n\n");
1820 memfmout(mptr, 0, nl);
1823 /* If the message on disk is format 4 (MIME), we've gotta hand it
1824 * off to the MIME parser. The client has already been told that
1825 * this message is format 1 (fixed format), so the callback function
1826 * we use will display those parts as-is.
1828 if (TheMessage->cm_format_type == FMT_RFC822) {
1829 memset(&ma, 0, sizeof(struct ma_info));
1831 if (mode == MT_MIME) {
1832 ma.use_fo_hooks = 0;
1833 strcpy(ma.chosen_part, "1");
1834 ma.chosen_pref = 9999;
1835 mime_parser(mptr, NULL,
1836 *choose_preferred, *fixed_output_pre,
1837 *fixed_output_post, (void *)&ma, 0);
1838 mime_parser(mptr, NULL,
1839 *output_preferred, NULL, NULL, (void *)&ma, 0);
1842 ma.use_fo_hooks = 1;
1843 mime_parser(mptr, NULL,
1844 *fixed_output, *fixed_output_pre,
1845 *fixed_output_post, (void *)&ma, 0);
1850 DONE: /* now we're done */
1851 if (do_proto) cprintf("000\n");
1858 * display a message (mode 0 - Citadel proprietary)
1860 void cmd_msg0(char *cmdbuf)
1863 int headers_only = HEADERS_ALL;
1865 msgid = extract_long(cmdbuf, 0);
1866 headers_only = extract_int(cmdbuf, 1);
1868 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL);
1874 * display a message (mode 2 - RFC822)
1876 void cmd_msg2(char *cmdbuf)
1879 int headers_only = HEADERS_ALL;
1881 msgid = extract_long(cmdbuf, 0);
1882 headers_only = extract_int(cmdbuf, 1);
1884 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL);
1890 * display a message (mode 3 - IGnet raw format - internal programs only)
1892 void cmd_msg3(char *cmdbuf)
1895 struct CtdlMessage *msg = NULL;
1898 if (CC->internal_pgm == 0) {
1899 cprintf("%d This command is for internal programs only.\n",
1900 ERROR + HIGHER_ACCESS_REQUIRED);
1904 msgnum = extract_long(cmdbuf, 0);
1905 msg = CtdlFetchMessage(msgnum, 1);
1907 cprintf("%d Message %ld not found.\n",
1908 ERROR + MESSAGE_NOT_FOUND, msgnum);
1912 serialize_message(&smr, msg);
1913 CtdlFreeMessage(msg);
1916 cprintf("%d Unable to serialize message\n",
1917 ERROR + INTERNAL_ERROR);
1921 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1922 client_write((char *)smr.ser, (int)smr.len);
1929 * Display a message using MIME content types
1931 void cmd_msg4(char *cmdbuf)
1936 msgid = extract_long(cmdbuf, 0);
1937 extract_token(section, cmdbuf, 1, '|', sizeof section);
1938 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) );
1944 * Client tells us its preferred message format(s)
1946 void cmd_msgp(char *cmdbuf)
1948 safestrncpy(CC->preferred_formats, cmdbuf,
1949 sizeof(CC->preferred_formats));
1950 cprintf("%d ok\n", CIT_OK);
1955 * Open a component of a MIME message as a download file
1957 void cmd_opna(char *cmdbuf)
1960 char desired_section[128];
1962 msgid = extract_long(cmdbuf, 0);
1963 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
1964 safestrncpy(CC->download_desired_section, desired_section,
1965 sizeof CC->download_desired_section);
1966 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL);
1971 * Open a component of a MIME message and transmit it all at once
1973 void cmd_dlat(char *cmdbuf)
1976 char desired_section[128];
1978 msgid = extract_long(cmdbuf, 0);
1979 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
1980 safestrncpy(CC->download_desired_section, desired_section,
1981 sizeof CC->download_desired_section);
1982 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL);
1987 * Save one or more message pointers into a specified room
1988 * (Returns 0 for success, nonzero for failure)
1989 * roomname may be NULL to use the current room
1991 * Note that the 'supplied_msg' field may be set to NULL, in which case
1992 * the message will be fetched from disk, by number, if we need to perform
1993 * replication checks. This adds an additional database read, so if the
1994 * caller already has the message in memory then it should be supplied. (Obviously
1995 * this mode of operation only works if we're saving a single message.)
1997 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
1998 int do_repl_check, struct CtdlMessage *supplied_msg)
2001 char hold_rm[ROOMNAMELEN];
2002 struct cdbdata *cdbfr;
2005 long highest_msg = 0L;
2008 struct CtdlMessage *msg = NULL;
2010 long *msgs_to_be_merged = NULL;
2011 int num_msgs_to_be_merged = 0;
2014 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d)\n",
2015 roomname, num_newmsgs, do_repl_check);
2017 strcpy(hold_rm, CC->room.QRname);
2020 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2021 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2022 if (num_newmsgs > 1) supplied_msg = NULL;
2024 /* Now the regular stuff */
2025 if (lgetroom(&CC->room,
2026 ((roomname != NULL) ? roomname : CC->room.QRname) )
2028 lprintf(CTDL_ERR, "No such room <%s>\n", roomname);
2029 return(ERROR + ROOM_NOT_FOUND);
2033 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2034 num_msgs_to_be_merged = 0;
2037 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2038 if (cdbfr == NULL) {
2042 msglist = (long *) cdbfr->ptr;
2043 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2044 num_msgs = cdbfr->len / sizeof(long);
2049 /* Create a list of msgid's which were supplied by the caller, but do
2050 * not already exist in the target room. It is absolutely taboo to
2051 * have more than one reference to the same message in a room.
2053 for (i=0; i<num_newmsgs; ++i) {
2055 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2056 if (msglist[j] == newmsgidlist[i]) {
2061 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2065 lprintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2068 * Now merge the new messages
2070 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2071 if (msglist == NULL) {
2072 lprintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2074 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2075 num_msgs += num_msgs_to_be_merged;
2077 /* Sort the message list, so all the msgid's are in order */
2078 num_msgs = sort_msglist(msglist, num_msgs);
2080 /* Determine the highest message number */
2081 highest_msg = msglist[num_msgs - 1];
2083 /* Write it back to disk. */
2084 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2085 msglist, (int)(num_msgs * sizeof(long)));
2087 /* Free up the memory we used. */
2090 /* Update the highest-message pointer and unlock the room. */
2091 CC->room.QRhighest = highest_msg;
2092 lputroom(&CC->room);
2094 /* Perform replication checks if necessary */
2095 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2096 lprintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2098 for (i=0; i<num_msgs_to_be_merged; ++i) {
2099 msgid = msgs_to_be_merged[i];
2101 if (supplied_msg != NULL) {
2105 msg = CtdlFetchMessage(msgid, 0);
2109 ReplicationChecks(msg);
2111 /* If the message has an Exclusive ID, index that... */
2112 if (msg->cm_fields['E'] != NULL) {
2113 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2116 /* Free up the memory we may have allocated */
2117 if (msg != supplied_msg) {
2118 CtdlFreeMessage(msg);
2126 lprintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2129 /* Submit this room for net processing */
2130 network_queue_room(&CC->room, NULL);
2132 #ifdef HAVE_LIBSIEVE
2133 /* If this is someone's inbox, submit the room for sieve processing */
2134 if (!strcasecmp(&CC->room.QRname[11], MAILROOM)) {
2135 sieve_queue_room(&CC->room);
2137 #endif /* HAVE_LIBSIEVE */
2139 /* Go back to the room we were in before we wandered here... */
2140 getroom(&CC->room, hold_rm);
2142 /* Bump the reference count for all messages which were merged */
2143 for (i=0; i<num_msgs_to_be_merged; ++i) {
2144 AdjRefCount(msgs_to_be_merged[i], +1);
2147 /* Free up memory... */
2148 if (msgs_to_be_merged != NULL) {
2149 free(msgs_to_be_merged);
2152 /* Return success. */
2158 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2161 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2162 int do_repl_check, struct CtdlMessage *supplied_msg)
2164 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg);
2171 * Message base operation to save a new message to the message store
2172 * (returns new message number)
2174 * This is the back end for CtdlSubmitMsg() and should not be directly
2175 * called by server-side modules.
2178 long send_message(struct CtdlMessage *msg) {
2186 /* Get a new message number */
2187 newmsgid = get_new_message_number();
2188 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2190 /* Generate an ID if we don't have one already */
2191 if (msg->cm_fields['I']==NULL) {
2192 msg->cm_fields['I'] = strdup(msgidbuf);
2195 /* If the message is big, set its body aside for storage elsewhere */
2196 if (msg->cm_fields['M'] != NULL) {
2197 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2199 holdM = msg->cm_fields['M'];
2200 msg->cm_fields['M'] = NULL;
2204 /* Serialize our data structure for storage in the database */
2205 serialize_message(&smr, msg);
2208 msg->cm_fields['M'] = holdM;
2212 cprintf("%d Unable to serialize message\n",
2213 ERROR + INTERNAL_ERROR);
2217 /* Write our little bundle of joy into the message base */
2218 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2219 smr.ser, smr.len) < 0) {
2220 lprintf(CTDL_ERR, "Can't store message\n");
2224 cdb_store(CDB_BIGMSGS,
2234 /* Free the memory we used for the serialized message */
2237 /* Return the *local* message ID to the caller
2238 * (even if we're storing an incoming network message)
2246 * Serialize a struct CtdlMessage into the format used on disk and network.
2248 * This function loads up a "struct ser_ret" (defined in server.h) which
2249 * contains the length of the serialized message and a pointer to the
2250 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2252 void serialize_message(struct ser_ret *ret, /* return values */
2253 struct CtdlMessage *msg) /* unserialized msg */
2255 size_t wlen, fieldlen;
2257 static char *forder = FORDER;
2260 * Check for valid message format
2262 if (is_valid_message(msg) == 0) {
2263 lprintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2270 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2271 ret->len = ret->len +
2272 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2274 ret->ser = malloc(ret->len);
2275 if (ret->ser == NULL) {
2276 lprintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2277 (long)ret->len, strerror(errno));
2284 ret->ser[1] = msg->cm_anon_type;
2285 ret->ser[2] = msg->cm_format_type;
2288 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2289 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2290 ret->ser[wlen++] = (char)forder[i];
2291 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2292 wlen = wlen + fieldlen + 1;
2294 if (ret->len != wlen) lprintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2295 (long)ret->len, (long)wlen);
2303 * Check to see if any messages already exist in the current room which
2304 * carry the same Exclusive ID as this one. If any are found, delete them.
2306 void ReplicationChecks(struct CtdlMessage *msg) {
2307 long old_msgnum = (-1L);
2309 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2311 lprintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2314 /* No exclusive id? Don't do anything. */
2315 if (msg == NULL) return;
2316 if (msg->cm_fields['E'] == NULL) return;
2317 if (strlen(msg->cm_fields['E']) == 0) return;
2318 /*lprintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2319 msg->cm_fields['E'], CC->room.QRname);*/
2321 old_msgnum = locate_message_by_euid(msg->cm_fields['E'], &CC->room);
2322 if (old_msgnum > 0L) {
2323 lprintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2324 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2331 * Save a message to disk and submit it into the delivery system.
2333 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2334 struct recptypes *recps, /* recipients (if mail) */
2335 char *force /* force a particular room? */
2337 char submit_filename[128];
2338 char generated_timestamp[32];
2339 char hold_rm[ROOMNAMELEN];
2340 char actual_rm[ROOMNAMELEN];
2341 char force_room[ROOMNAMELEN];
2342 char content_type[SIZ]; /* We have to learn this */
2343 char recipient[SIZ];
2346 struct ctdluser userbuf;
2348 struct MetaData smi;
2349 FILE *network_fp = NULL;
2350 static int seqnum = 1;
2351 struct CtdlMessage *imsg = NULL;
2354 char *hold_R, *hold_D;
2355 char *collected_addresses = NULL;
2356 struct addresses_to_be_filed *aptr = NULL;
2357 char *saved_rfc822_version = NULL;
2358 int qualified_for_journaling = 0;
2360 lprintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2361 if (is_valid_message(msg) == 0) return(-1); /* self check */
2363 /* If this message has no timestamp, we take the liberty of
2364 * giving it one, right now.
2366 if (msg->cm_fields['T'] == NULL) {
2367 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2368 msg->cm_fields['T'] = strdup(generated_timestamp);
2371 /* If this message has no path, we generate one.
2373 if (msg->cm_fields['P'] == NULL) {
2374 if (msg->cm_fields['A'] != NULL) {
2375 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2376 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
2377 if (isspace(msg->cm_fields['P'][a])) {
2378 msg->cm_fields['P'][a] = ' ';
2383 msg->cm_fields['P'] = strdup("unknown");
2387 if (force == NULL) {
2388 strcpy(force_room, "");
2391 strcpy(force_room, force);
2394 /* Learn about what's inside, because it's what's inside that counts */
2395 if (msg->cm_fields['M'] == NULL) {
2396 lprintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2400 switch (msg->cm_format_type) {
2402 strcpy(content_type, "text/x-citadel-variformat");
2405 strcpy(content_type, "text/plain");
2408 strcpy(content_type, "text/plain");
2409 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type: ");
2411 safestrncpy(content_type, &mptr[14],
2412 sizeof content_type);
2413 for (a = 0; a < strlen(content_type); ++a) {
2414 if ((content_type[a] == ';')
2415 || (content_type[a] == ' ')
2416 || (content_type[a] == 13)
2417 || (content_type[a] == 10)) {
2418 content_type[a] = 0;
2424 /* Goto the correct room */
2425 lprintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CC->room.QRname : SENTITEMS);
2426 strcpy(hold_rm, CC->room.QRname);
2427 strcpy(actual_rm, CC->room.QRname);
2428 if (recps != NULL) {
2429 strcpy(actual_rm, SENTITEMS);
2432 /* If the user is a twit, move to the twit room for posting */
2434 if (CC->user.axlevel == 2) {
2435 strcpy(hold_rm, actual_rm);
2436 strcpy(actual_rm, config.c_twitroom);
2437 lprintf(CTDL_DEBUG, "Diverting to twit room\n");
2441 /* ...or if this message is destined for Aide> then go there. */
2442 if (strlen(force_room) > 0) {
2443 strcpy(actual_rm, force_room);
2446 lprintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2447 if (strcasecmp(actual_rm, CC->room.QRname)) {
2448 /* getroom(&CC->room, actual_rm); */
2449 usergoto(actual_rm, 0, 1, NULL, NULL);
2453 * If this message has no O (room) field, generate one.
2455 if (msg->cm_fields['O'] == NULL) {
2456 msg->cm_fields['O'] = strdup(CC->room.QRname);
2459 /* Perform "before save" hooks (aborting if any return nonzero) */
2460 lprintf(CTDL_DEBUG, "Performing before-save hooks\n");
2461 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2464 * If this message has an Exclusive ID, and the room is replication
2465 * checking enabled, then do replication checks.
2467 if (DoesThisRoomNeedEuidIndexing(&CC->room)) {
2468 ReplicationChecks(msg);
2471 /* Save it to disk */
2472 lprintf(CTDL_DEBUG, "Saving to disk\n");
2473 newmsgid = send_message(msg);
2474 if (newmsgid <= 0L) return(-5);
2476 /* Write a supplemental message info record. This doesn't have to
2477 * be a critical section because nobody else knows about this message
2480 lprintf(CTDL_DEBUG, "Creating MetaData record\n");
2481 memset(&smi, 0, sizeof(struct MetaData));
2482 smi.meta_msgnum = newmsgid;
2483 smi.meta_refcount = 0;
2484 safestrncpy(smi.meta_content_type, content_type,
2485 sizeof smi.meta_content_type);
2488 * Measure how big this message will be when rendered as RFC822.
2489 * We do this for two reasons:
2490 * 1. We need the RFC822 length for the new metadata record, so the
2491 * POP and IMAP services don't have to calculate message lengths
2492 * while the user is waiting (multiplied by potentially hundreds
2493 * or thousands of messages).
2494 * 2. If journaling is enabled, we will need an RFC822 version of the
2495 * message to attach to the journalized copy.
2497 if (CC->redirect_buffer != NULL) {
2498 lprintf(CTDL_ALERT, "CC->redirect_buffer is not NULL during message submission!\n");
2501 CC->redirect_buffer = malloc(SIZ);
2502 CC->redirect_len = 0;
2503 CC->redirect_alloc = SIZ;
2504 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1);
2505 smi.meta_rfc822_length = CC->redirect_len;
2506 saved_rfc822_version = CC->redirect_buffer;
2507 CC->redirect_buffer = NULL;
2508 CC->redirect_len = 0;
2509 CC->redirect_alloc = 0;
2513 /* Now figure out where to store the pointers */
2514 lprintf(CTDL_DEBUG, "Storing pointers\n");
2516 /* If this is being done by the networker delivering a private
2517 * message, we want to BYPASS saving the sender's copy (because there
2518 * is no local sender; it would otherwise go to the Trashcan).
2520 if ((!CC->internal_pgm) || (recps == NULL)) {
2521 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2522 lprintf(CTDL_ERR, "ERROR saving message pointer!\n");
2523 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2527 /* For internet mail, drop a copy in the outbound queue room */
2529 if (recps->num_internet > 0) {
2530 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2533 /* If other rooms are specified, drop them there too. */
2535 if (recps->num_room > 0)
2536 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2537 extract_token(recipient, recps->recp_room, i,
2538 '|', sizeof recipient);
2539 lprintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2540 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2543 /* Bump this user's messages posted counter. */
2544 lprintf(CTDL_DEBUG, "Updating user\n");
2545 lgetuser(&CC->user, CC->curr_user);
2546 CC->user.posted = CC->user.posted + 1;
2547 lputuser(&CC->user);
2549 /* If this is private, local mail, make a copy in the
2550 * recipient's mailbox and bump the reference count.
2553 if (recps->num_local > 0)
2554 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2555 extract_token(recipient, recps->recp_local, i,
2556 '|', sizeof recipient);
2557 lprintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2559 if (getuser(&userbuf, recipient) == 0) {
2560 // Add a flag so the Funambol module knows its mail
2561 msg->cm_fields['W'] = strdup(recipient);
2562 MailboxName(actual_rm, sizeof actual_rm,
2563 &userbuf, MAILROOM);
2564 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2565 BumpNewMailCounter(userbuf.usernum);
2566 if (strlen(config.c_funambol_host) > 0) {
2567 /* Generate a instruction message for the Funambol notification
2568 server, in the same style as the SMTP queue */
2569 instr = malloc(SIZ * 2);
2570 snprintf(instr, SIZ * 2,
2571 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2573 SPOOLMIME, newmsgid, (long)time(NULL),
2574 msg->cm_fields['A'], msg->cm_fields['N']
2577 imsg = malloc(sizeof(struct CtdlMessage));
2578 memset(imsg, 0, sizeof(struct CtdlMessage));
2579 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2580 imsg->cm_anon_type = MES_NORMAL;
2581 imsg->cm_format_type = FMT_RFC822;
2582 imsg->cm_fields['A'] = strdup("Citadel");
2583 imsg->cm_fields['J'] = strdup("do not journal");
2584 imsg->cm_fields['M'] = instr;
2585 imsg->cm_fields['W'] = strdup(recipient);
2586 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM);
2587 CtdlFreeMessage(imsg);
2591 lprintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2592 CtdlSaveMsgPointerInRoom(config.c_aideroom,
2597 /* Perform "after save" hooks */
2598 lprintf(CTDL_DEBUG, "Performing after-save hooks\n");
2599 PerformMessageHooks(msg, EVT_AFTERSAVE);
2601 /* For IGnet mail, we have to save a new copy into the spooler for
2602 * each recipient, with the R and D fields set to the recipient and
2603 * destination-node. This has two ugly side effects: all other
2604 * recipients end up being unlisted in this recipient's copy of the
2605 * message, and it has to deliver multiple messages to the same
2606 * node. We'll revisit this again in a year or so when everyone has
2607 * a network spool receiver that can handle the new style messages.
2610 if (recps->num_ignet > 0)
2611 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2612 extract_token(recipient, recps->recp_ignet, i,
2613 '|', sizeof recipient);
2615 hold_R = msg->cm_fields['R'];
2616 hold_D = msg->cm_fields['D'];
2617 msg->cm_fields['R'] = malloc(SIZ);
2618 msg->cm_fields['D'] = malloc(128);
2619 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
2620 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
2622 serialize_message(&smr, msg);
2624 snprintf(submit_filename, sizeof submit_filename,
2625 "%s/netmail.%04lx.%04x.%04x",
2627 (long) getpid(), CC->cs_pid, ++seqnum);
2628 network_fp = fopen(submit_filename, "wb+");
2629 if (network_fp != NULL) {
2630 fwrite(smr.ser, smr.len, 1, network_fp);
2636 free(msg->cm_fields['R']);
2637 free(msg->cm_fields['D']);
2638 msg->cm_fields['R'] = hold_R;
2639 msg->cm_fields['D'] = hold_D;
2642 /* Go back to the room we started from */
2643 lprintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2644 if (strcasecmp(hold_rm, CC->room.QRname))
2645 /* getroom(&CC->room, hold_rm); */
2646 usergoto(hold_rm, 0, 1, NULL, NULL);
2648 /* For internet mail, generate delivery instructions.
2649 * Yes, this is recursive. Deal with it. Infinite recursion does
2650 * not happen because the delivery instructions message does not
2651 * contain a recipient.
2654 if (recps->num_internet > 0) {
2655 lprintf(CTDL_DEBUG, "Generating delivery instructions\n");
2656 instr = malloc(SIZ * 2);
2657 snprintf(instr, SIZ * 2,
2658 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2660 SPOOLMIME, newmsgid, (long)time(NULL),
2661 msg->cm_fields['A'], msg->cm_fields['N']
2664 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2665 size_t tmp = strlen(instr);
2666 extract_token(recipient, recps->recp_internet,
2667 i, '|', sizeof recipient);
2668 snprintf(&instr[tmp], SIZ * 2 - tmp,
2669 "remote|%s|0||\n", recipient);
2672 imsg = malloc(sizeof(struct CtdlMessage));
2673 memset(imsg, 0, sizeof(struct CtdlMessage));
2674 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2675 imsg->cm_anon_type = MES_NORMAL;
2676 imsg->cm_format_type = FMT_RFC822;
2677 imsg->cm_fields['A'] = strdup("Citadel");
2678 imsg->cm_fields['J'] = strdup("do not journal");
2679 imsg->cm_fields['M'] = instr;
2680 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2681 CtdlFreeMessage(imsg);
2685 * Any addresses to harvest for someone's address book?
2687 if ( (CC->logged_in) && (recps != NULL) ) {
2688 collected_addresses = harvest_collected_addresses(msg);
2691 if (collected_addresses != NULL) {
2692 begin_critical_section(S_ATBF);
2693 aptr = (struct addresses_to_be_filed *)
2694 malloc(sizeof(struct addresses_to_be_filed));
2696 MailboxName(actual_rm, sizeof actual_rm,
2697 &CC->user, USERCONTACTSROOM);
2698 aptr->roomname = strdup(actual_rm);
2699 aptr->collected_addresses = collected_addresses;
2701 end_critical_section(S_ATBF);
2705 * Determine whether this message qualifies for journaling.
2707 if (msg->cm_fields['J'] != NULL) {
2708 qualified_for_journaling = 0;
2711 if (recps == NULL) {
2712 qualified_for_journaling = config.c_journal_pubmsgs;
2714 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
2715 qualified_for_journaling = config.c_journal_email;
2718 qualified_for_journaling = config.c_journal_pubmsgs;
2723 * Do we have to perform journaling? If so, hand off the saved
2724 * RFC822 version will be handed off to the journaler for background
2725 * submit. Otherwise, we have to free the memory ourselves.
2727 if (saved_rfc822_version != NULL) {
2728 if (qualified_for_journaling) {
2729 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
2732 free(saved_rfc822_version);
2745 * Convenience function for generating small administrative messages.
2747 void quickie_message(char *from, char *fromaddr, char *to, char *room, char *text,
2748 int format_type, char *subject)
2750 struct CtdlMessage *msg;
2751 struct recptypes *recp = NULL;
2753 msg = malloc(sizeof(struct CtdlMessage));
2754 memset(msg, 0, sizeof(struct CtdlMessage));
2755 msg->cm_magic = CTDLMESSAGE_MAGIC;
2756 msg->cm_anon_type = MES_NORMAL;
2757 msg->cm_format_type = format_type;
2760 msg->cm_fields['A'] = strdup(from);
2762 else if (fromaddr != NULL) {
2763 msg->cm_fields['A'] = strdup(fromaddr);
2764 if (strchr(msg->cm_fields['A'], '@')) {
2765 *strchr(msg->cm_fields['A'], '@') = 0;
2769 msg->cm_fields['A'] = strdup("Citadel");
2772 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
2773 if (room != NULL) msg->cm_fields['O'] = strdup(room);
2774 msg->cm_fields['N'] = strdup(NODENAME);
2776 msg->cm_fields['R'] = strdup(to);
2777 recp = validate_recipients(to);
2779 if (subject != NULL) {
2780 msg->cm_fields['U'] = strdup(subject);
2782 msg->cm_fields['M'] = strdup(text);
2784 CtdlSubmitMsg(msg, recp, room);
2785 CtdlFreeMessage(msg);
2786 if (recp != NULL) free(recp);
2792 * Back end function used by CtdlMakeMessage() and similar functions
2794 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2795 size_t maxlen, /* maximum message length */
2796 char *exist, /* if non-null, append to it;
2797 exist is ALWAYS freed */
2798 int crlf /* CRLF newlines instead of LF */
2802 size_t message_len = 0;
2803 size_t buffer_len = 0;
2810 if (exist == NULL) {
2817 message_len = strlen(exist);
2818 buffer_len = message_len + 4096;
2819 m = realloc(exist, buffer_len);
2826 /* Do we need to change leading ".." to "." for SMTP escaping? */
2827 if (!strcmp(terminator, ".")) {
2831 /* flush the input if we have nowhere to store it */
2836 /* read in the lines of message text one by one */
2838 if (client_getln(buf, (sizeof buf - 3)) < 1) finished = 1;
2839 if (!strcmp(buf, terminator)) finished = 1;
2841 strcat(buf, "\r\n");
2847 /* Unescape SMTP-style input of two dots at the beginning of the line */
2849 if (!strncmp(buf, "..", 2)) {
2850 strcpy(buf, &buf[1]);
2854 if ( (!flushing) && (!finished) ) {
2855 /* Measure the line */
2856 linelen = strlen(buf);
2858 /* augment the buffer if we have to */
2859 if ((message_len + linelen) >= buffer_len) {
2860 ptr = realloc(m, (buffer_len * 2) );
2861 if (ptr == NULL) { /* flush if can't allocate */
2864 buffer_len = (buffer_len * 2);
2866 lprintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
2870 /* Add the new line to the buffer. NOTE: this loop must avoid
2871 * using functions like strcat() and strlen() because they
2872 * traverse the entire buffer upon every call, and doing that
2873 * for a multi-megabyte message slows it down beyond usability.
2875 strcpy(&m[message_len], buf);
2876 message_len += linelen;
2879 /* if we've hit the max msg length, flush the rest */
2880 if (message_len >= maxlen) flushing = 1;
2882 } while (!finished);
2890 * Build a binary message to be saved on disk.
2891 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2892 * will become part of the message. This means you are no longer
2893 * responsible for managing that memory -- it will be freed along with
2894 * the rest of the fields when CtdlFreeMessage() is called.)
2897 struct CtdlMessage *CtdlMakeMessage(
2898 struct ctdluser *author, /* author's user structure */
2899 char *recipient, /* NULL if it's not mail */
2900 char *recp_cc, /* NULL if it's not mail */
2901 char *room, /* room where it's going */
2902 int type, /* see MES_ types in header file */
2903 int format_type, /* variformat, plain text, MIME... */
2904 char *fake_name, /* who we're masquerading as */
2905 char *subject, /* Subject (optional) */
2906 char *supplied_euid, /* ...or NULL if this is irrelevant */
2907 char *preformatted_text /* ...or NULL to read text from client */
2909 char dest_node[256];
2911 struct CtdlMessage *msg;
2913 msg = malloc(sizeof(struct CtdlMessage));
2914 memset(msg, 0, sizeof(struct CtdlMessage));
2915 msg->cm_magic = CTDLMESSAGE_MAGIC;
2916 msg->cm_anon_type = type;
2917 msg->cm_format_type = format_type;
2919 /* Don't confuse the poor folks if it's not routed mail. */
2920 strcpy(dest_node, "");
2925 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2926 msg->cm_fields['P'] = strdup(buf);
2928 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2929 msg->cm_fields['T'] = strdup(buf);
2931 if (fake_name[0]) /* author */
2932 msg->cm_fields['A'] = strdup(fake_name);
2934 msg->cm_fields['A'] = strdup(author->fullname);
2936 if (CC->room.QRflags & QR_MAILBOX) { /* room */
2937 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
2940 msg->cm_fields['O'] = strdup(CC->room.QRname);
2943 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
2944 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
2946 if (recipient[0] != 0) {
2947 msg->cm_fields['R'] = strdup(recipient);
2949 if (recp_cc[0] != 0) {
2950 msg->cm_fields['Y'] = strdup(recp_cc);
2952 if (dest_node[0] != 0) {
2953 msg->cm_fields['D'] = strdup(dest_node);
2956 if ( (author == &CC->user) && (strlen(CC->cs_inet_email) > 0) ) {
2957 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
2960 if (subject != NULL) {
2963 length = strlen(subject);
2969 while ((subject[i] != '\0') &&
2970 (IsAscii = isascii(subject[i]) != 0 ))
2973 msg->cm_fields['U'] = strdup(subject);
2974 else /* ok, we've got utf8 in the string. */
2976 msg->cm_fields['U'] = rfc2047encode(subject, length);
2982 if (supplied_euid != NULL) {
2983 msg->cm_fields['E'] = strdup(supplied_euid);
2986 if (preformatted_text != NULL) {
2987 msg->cm_fields['M'] = preformatted_text;
2990 msg->cm_fields['M'] = CtdlReadMessageBody("000", config.c_maxmsglen, NULL, 0);
2998 * Check to see whether we have permission to post a message in the current
2999 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3000 * returns 0 on success.
3002 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
3005 if (!(CC->logged_in)) {
3006 snprintf(errmsgbuf, n, "Not logged in.");
3007 return (ERROR + NOT_LOGGED_IN);
3010 if ((CC->user.axlevel < 2)
3011 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3012 snprintf(errmsgbuf, n, "Need to be validated to enter "
3013 "(except in %s> to sysop)", MAILROOM);
3014 return (ERROR + HIGHER_ACCESS_REQUIRED);
3017 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3018 if (!(ra & UA_POSTALLOWED)) {
3019 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3020 return (ERROR + HIGHER_ACCESS_REQUIRED);
3023 strcpy(errmsgbuf, "Ok");
3029 * Check to see if the specified user has Internet mail permission
3030 * (returns nonzero if permission is granted)
3032 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3034 /* Do not allow twits to send Internet mail */
3035 if (who->axlevel <= 2) return(0);
3037 /* Globally enabled? */
3038 if (config.c_restrict == 0) return(1);
3040 /* User flagged ok? */
3041 if (who->flags & US_INTERNET) return(2);
3043 /* Aide level access? */
3044 if (who->axlevel >= 6) return(3);
3046 /* No mail for you! */
3052 * Validate recipients, count delivery types and errors, and handle aliasing
3053 * FIXME check for dupes!!!!!
3054 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3055 * were specified, or the number of addresses found invalid.
3056 * caller needs to free the result.
3058 struct recptypes *validate_recipients(char *supplied_recipients) {
3059 struct recptypes *ret;
3060 char recipients[SIZ];
3061 char this_recp[256];
3062 char this_recp_cooked[256];
3068 struct ctdluser tempUS;
3069 struct ctdlroom tempQR;
3073 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3074 if (ret == NULL) return(NULL);
3075 memset(ret, 0, sizeof(struct recptypes));
3078 ret->num_internet = 0;
3083 if (supplied_recipients == NULL) {
3084 strcpy(recipients, "");
3087 safestrncpy(recipients, supplied_recipients, sizeof recipients);
3090 /* Change all valid separator characters to commas */
3091 for (i=0; i<strlen(recipients); ++i) {
3092 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3093 recipients[i] = ',';
3097 /* Now start extracting recipients... */
3099 while (strlen(recipients) > 0) {
3101 for (i=0; i<=strlen(recipients); ++i) {
3102 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3103 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3104 safestrncpy(this_recp, recipients, i+1);
3106 if (recipients[i] == ',') {
3107 strcpy(recipients, &recipients[i+1]);
3110 strcpy(recipients, "");
3117 lprintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3119 mailtype = alias(this_recp);
3120 mailtype = alias(this_recp);
3121 mailtype = alias(this_recp);
3122 for (j=0; j<=strlen(this_recp); ++j) {
3123 if (this_recp[j]=='_') {
3124 this_recp_cooked[j] = ' ';
3127 this_recp_cooked[j] = this_recp[j];
3133 if (!strcasecmp(this_recp, "sysop")) {
3135 strcpy(this_recp, config.c_aideroom);
3136 if (strlen(ret->recp_room) > 0) {
3137 strcat(ret->recp_room, "|");
3139 strcat(ret->recp_room, this_recp);
3141 else if (getuser(&tempUS, this_recp) == 0) {
3143 strcpy(this_recp, tempUS.fullname);
3144 if (strlen(ret->recp_local) > 0) {
3145 strcat(ret->recp_local, "|");
3147 strcat(ret->recp_local, this_recp);
3149 else if (getuser(&tempUS, this_recp_cooked) == 0) {
3151 strcpy(this_recp, tempUS.fullname);
3152 if (strlen(ret->recp_local) > 0) {
3153 strcat(ret->recp_local, "|");
3155 strcat(ret->recp_local, this_recp);
3157 else if ( (!strncasecmp(this_recp, "room_", 5))
3158 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
3160 if (strlen(ret->recp_room) > 0) {
3161 strcat(ret->recp_room, "|");
3163 strcat(ret->recp_room, &this_recp_cooked[5]);
3171 /* Yes, you're reading this correctly: if the target
3172 * domain points back to the local system or an attached
3173 * Citadel directory, the address is invalid. That's
3174 * because if the address were valid, we would have
3175 * already translated it to a local address by now.
3177 if (IsDirectory(this_recp)) {
3182 ++ret->num_internet;
3183 if (strlen(ret->recp_internet) > 0) {
3184 strcat(ret->recp_internet, "|");
3186 strcat(ret->recp_internet, this_recp);
3191 if (strlen(ret->recp_ignet) > 0) {
3192 strcat(ret->recp_ignet, "|");
3194 strcat(ret->recp_ignet, this_recp);
3202 if (strlen(ret->errormsg) == 0) {
3203 snprintf(append, sizeof append,
3204 "Invalid recipient: %s",
3208 snprintf(append, sizeof append,
3211 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
3212 strcat(ret->errormsg, append);
3216 if (strlen(ret->display_recp) == 0) {
3217 strcpy(append, this_recp);
3220 snprintf(append, sizeof append, ", %s",
3223 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3224 strcat(ret->display_recp, append);
3229 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3230 ret->num_room + ret->num_error) == 0) {
3231 ret->num_error = (-1);
3232 strcpy(ret->errormsg, "No recipients specified.");
3235 lprintf(CTDL_DEBUG, "validate_recipients()\n");
3236 lprintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3237 lprintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3238 lprintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3239 lprintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3240 lprintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3248 * message entry - mode 0 (normal)
3250 void cmd_ent0(char *entargs)
3256 char supplied_euid[128];
3258 int format_type = 0;
3259 char newusername[256];
3260 struct CtdlMessage *msg;
3264 struct recptypes *valid = NULL;
3265 struct recptypes *valid_to = NULL;
3266 struct recptypes *valid_cc = NULL;
3267 struct recptypes *valid_bcc = NULL;
3274 post = extract_int(entargs, 0);
3275 extract_token(recp, entargs, 1, '|', sizeof recp);
3276 anon_flag = extract_int(entargs, 2);
3277 format_type = extract_int(entargs, 3);
3278 extract_token(subject, entargs, 4, '|', sizeof subject);
3279 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3280 do_confirm = extract_int(entargs, 6);
3281 extract_token(cc, entargs, 7, '|', sizeof cc);
3282 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3283 switch(CC->room.QRdefaultview) {
3286 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3289 supplied_euid[0] = 0;
3293 /* first check to make sure the request is valid. */
3295 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
3297 cprintf("%d %s\n", err, errmsg);
3301 /* Check some other permission type things. */
3303 if ( (CC->user.axlevel < 6)
3304 && (strcasecmp(newusername, CC->user.fullname))
3305 && (strcasecmp(newusername, CC->cs_inet_fn))
3307 cprintf("%d You don't have permission to author messages as '%s'.\n",
3308 ERROR + HIGHER_ACCESS_REQUIRED,
3314 CC->cs_flags |= CS_POSTING;
3316 /* In the Mail> room we have to behave a little differently --
3317 * make sure the user has specified at least one recipient. Then
3318 * validate the recipient(s).
3320 if ( (CC->room.QRflags & QR_MAILBOX)
3321 && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) ) {
3323 if (CC->user.axlevel < 2) {
3324 strcpy(recp, "sysop");
3329 valid_to = validate_recipients(recp);
3330 if (valid_to->num_error > 0) {
3331 cprintf("%d Invalid recipient (To)\n", ERROR + NO_SUCH_USER);
3336 valid_cc = validate_recipients(cc);
3337 if (valid_cc->num_error > 0) {
3338 cprintf("%d Invalid recipient (CC)\n", ERROR + NO_SUCH_USER);
3344 valid_bcc = validate_recipients(bcc);
3345 if (valid_bcc->num_error > 0) {
3346 cprintf("%d Invalid recipient (BCC)\n", ERROR + NO_SUCH_USER);
3353 /* Recipient required, but none were specified */
3354 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
3358 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
3362 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
3363 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
3364 cprintf("%d You do not have permission "
3365 "to send Internet mail.\n",
3366 ERROR + HIGHER_ACCESS_REQUIRED);
3374 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)
3375 && (CC->user.axlevel < 4) ) {
3376 cprintf("%d Higher access required for network mail.\n",
3377 ERROR + HIGHER_ACCESS_REQUIRED);
3384 if ((RESTRICT_INTERNET == 1)
3385 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
3386 && ((CC->user.flags & US_INTERNET) == 0)
3387 && (!CC->internal_pgm)) {
3388 cprintf("%d You don't have access to Internet mail.\n",
3389 ERROR + HIGHER_ACCESS_REQUIRED);
3398 /* Is this a room which has anonymous-only or anonymous-option? */
3399 anonymous = MES_NORMAL;
3400 if (CC->room.QRflags & QR_ANONONLY) {
3401 anonymous = MES_ANONONLY;
3403 if (CC->room.QRflags & QR_ANONOPT) {
3404 if (anon_flag == 1) { /* only if the user requested it */
3405 anonymous = MES_ANONOPT;
3409 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
3413 /* If we're only checking the validity of the request, return
3414 * success without creating the message.
3417 cprintf("%d %s\n", CIT_OK,
3418 ((valid_to != NULL) ? valid_to->display_recp : "") );
3425 /* We don't need these anymore because we'll do it differently below */
3430 /* Read in the message from the client. */
3432 cprintf("%d send message\n", START_CHAT_MODE);
3434 cprintf("%d send message\n", SEND_LISTING);
3437 msg = CtdlMakeMessage(&CC->user, recp, cc,
3438 CC->room.QRname, anonymous, format_type,
3439 newusername, subject,
3440 ((strlen(supplied_euid) > 0) ? supplied_euid : NULL),
3443 /* Put together one big recipients struct containing to/cc/bcc all in
3444 * one. This is for the envelope.
3446 char *all_recps = malloc(SIZ * 3);
3447 strcpy(all_recps, recp);
3448 if (strlen(cc) > 0) {
3449 if (strlen(all_recps) > 0) {
3450 strcat(all_recps, ",");
3452 strcat(all_recps, cc);
3454 if (strlen(bcc) > 0) {
3455 if (strlen(all_recps) > 0) {
3456 strcat(all_recps, ",");
3458 strcat(all_recps, bcc);
3460 if (strlen(all_recps) > 0) {
3461 valid = validate_recipients(all_recps);
3469 msgnum = CtdlSubmitMsg(msg, valid, "");
3472 cprintf("%ld\n", msgnum);
3474 cprintf("Message accepted.\n");
3477 cprintf("Internal error.\n");
3479 if (msg->cm_fields['E'] != NULL) {
3480 cprintf("%s\n", msg->cm_fields['E']);
3487 CtdlFreeMessage(msg);
3489 if (valid != NULL) {
3498 * API function to delete messages which match a set of criteria
3499 * (returns the actual number of messages deleted)
3501 int CtdlDeleteMessages(char *room_name, /* which room */
3502 long *dmsgnums, /* array of msg numbers to be deleted */
3503 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
3504 char *content_type /* or "" for any */
3508 struct ctdlroom qrbuf;
3509 struct cdbdata *cdbfr;
3510 long *msglist = NULL;
3511 long *dellist = NULL;
3514 int num_deleted = 0;
3516 struct MetaData smi;
3518 lprintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
3519 room_name, num_dmsgnums, content_type);
3521 /* get room record, obtaining a lock... */
3522 if (lgetroom(&qrbuf, room_name) != 0) {
3523 lprintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
3525 return (0); /* room not found */
3527 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
3529 if (cdbfr != NULL) {
3530 dellist = malloc(cdbfr->len);
3531 msglist = (long *) cdbfr->ptr;
3532 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
3533 num_msgs = cdbfr->len / sizeof(long);
3537 for (i = 0; i < num_msgs; ++i) {
3540 /* Set/clear a bit for each criterion */
3542 /* 0 messages in the list or a null list means that we are
3543 * interested in deleting any messages which meet the other criteria.
3545 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
3546 delete_this |= 0x01;
3549 for (j=0; j<num_dmsgnums; ++j) {
3550 if (msglist[i] == dmsgnums[j]) {
3551 delete_this |= 0x01;
3556 if (strlen(content_type) == 0) {
3557 delete_this |= 0x02;
3559 GetMetaData(&smi, msglist[i]);
3560 if (!strcasecmp(smi.meta_content_type,
3562 delete_this |= 0x02;
3566 /* Delete message only if all bits are set */
3567 if (delete_this == 0x03) {
3568 dellist[num_deleted++] = msglist[i];
3573 num_msgs = sort_msglist(msglist, num_msgs);
3574 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
3575 msglist, (int)(num_msgs * sizeof(long)));
3577 qrbuf.QRhighest = msglist[num_msgs - 1];
3581 /* Go through the messages we pulled out of the index, and decrement
3582 * their reference counts by 1. If this is the only room the message
3583 * was in, the reference count will reach zero and the message will
3584 * automatically be deleted from the database. We do this in a
3585 * separate pass because there might be plug-in hooks getting called,
3586 * and we don't want that happening during an S_ROOMS critical
3589 if (num_deleted) for (i=0; i<num_deleted; ++i) {
3590 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
3591 AdjRefCount(dellist[i], -1);
3594 /* Now free the memory we used, and go away. */
3595 if (msglist != NULL) free(msglist);
3596 if (dellist != NULL) free(dellist);
3597 lprintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
3598 return (num_deleted);
3604 * Check whether the current user has permission to delete messages from
3605 * the current room (returns 1 for yes, 0 for no)
3607 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
3609 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3610 if (ra & UA_DELETEALLOWED) return(1);
3618 * Delete message from current room
3620 void cmd_dele(char *args)
3629 extract_token(msgset, args, 0, '|', sizeof msgset);
3630 num_msgs = num_tokens(msgset, ',');
3632 cprintf("%d Nothing to do.\n", CIT_OK);
3636 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
3637 cprintf("%d Higher access required.\n",
3638 ERROR + HIGHER_ACCESS_REQUIRED);
3643 * Build our message set to be moved/copied
3645 msgs = malloc(num_msgs * sizeof(long));
3646 for (i=0; i<num_msgs; ++i) {
3647 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
3648 msgs[i] = atol(msgtok);
3651 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
3655 cprintf("%d %d message%s deleted.\n", CIT_OK,
3656 num_deleted, ((num_deleted != 1) ? "s" : ""));
3658 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
3664 * Back end API function for moves and deletes (multiple messages)
3666 int CtdlCopyMsgsToRoom(long *msgnums, int num_msgs, char *dest) {
3669 err = CtdlSaveMsgPointersInRoom(dest, msgnums, num_msgs, 1, NULL);
3670 if (err != 0) return(err);
3679 * move or copy a message to another room
3681 void cmd_move(char *args)
3688 char targ[ROOMNAMELEN];
3689 struct ctdlroom qtemp;
3696 extract_token(msgset, args, 0, '|', sizeof msgset);
3697 num_msgs = num_tokens(msgset, ',');
3699 cprintf("%d Nothing to do.\n", CIT_OK);
3703 extract_token(targ, args, 1, '|', sizeof targ);
3704 convert_room_name_macros(targ, sizeof targ);
3705 targ[ROOMNAMELEN - 1] = 0;
3706 is_copy = extract_int(args, 2);
3708 if (getroom(&qtemp, targ) != 0) {
3709 cprintf("%d '%s' does not exist.\n",
3710 ERROR + ROOM_NOT_FOUND, targ);
3714 getuser(&CC->user, CC->curr_user);
3715 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
3717 /* Check for permission to perform this operation.
3718 * Remember: "CC->room" is source, "qtemp" is target.
3722 /* Aides can move/copy */
3723 if (CC->user.axlevel >= 6) permit = 1;
3725 /* Room aides can move/copy */
3726 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
3728 /* Permit move/copy from personal rooms */
3729 if ((CC->room.QRflags & QR_MAILBOX)
3730 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3732 /* Permit only copy from public to personal room */
3734 && (!(CC->room.QRflags & QR_MAILBOX))
3735 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3737 /* User must have access to target room */
3738 if (!(ra & UA_KNOWN)) permit = 0;
3741 cprintf("%d Higher access required.\n",
3742 ERROR + HIGHER_ACCESS_REQUIRED);
3747 * Build our message set to be moved/copied
3749 msgs = malloc(num_msgs * sizeof(long));
3750 for (i=0; i<num_msgs; ++i) {
3751 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
3752 msgs[i] = atol(msgtok);
3758 err = CtdlCopyMsgsToRoom(msgs, num_msgs, targ);
3760 cprintf("%d Cannot store message(s) in %s: error %d\n",
3766 /* Now delete the message from the source room,
3767 * if this is a 'move' rather than a 'copy' operation.
3770 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
3774 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
3780 * GetMetaData() - Get the supplementary record for a message
3782 void GetMetaData(struct MetaData *smibuf, long msgnum)
3785 struct cdbdata *cdbsmi;
3788 memset(smibuf, 0, sizeof(struct MetaData));
3789 smibuf->meta_msgnum = msgnum;
3790 smibuf->meta_refcount = 1; /* Default reference count is 1 */
3792 /* Use the negative of the message number for its supp record index */
3793 TheIndex = (0L - msgnum);
3795 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
3796 if (cdbsmi == NULL) {
3797 return; /* record not found; go with defaults */
3799 memcpy(smibuf, cdbsmi->ptr,
3800 ((cdbsmi->len > sizeof(struct MetaData)) ?
3801 sizeof(struct MetaData) : cdbsmi->len));
3808 * PutMetaData() - (re)write supplementary record for a message
3810 void PutMetaData(struct MetaData *smibuf)
3814 /* Use the negative of the message number for the metadata db index */
3815 TheIndex = (0L - smibuf->meta_msgnum);
3817 cdb_store(CDB_MSGMAIN,
3818 &TheIndex, (int)sizeof(long),
3819 smibuf, (int)sizeof(struct MetaData));
3824 * AdjRefCount - submit an adjustment to the reference count for a message.
3825 * (These are just queued -- we actually process them later.)
3827 void AdjRefCount(long msgnum, int incr)
3829 struct arcq new_arcq;
3831 begin_critical_section(S_SUPPMSGMAIN);
3832 if (arcfp == NULL) {
3833 arcfp = fopen(file_arcq, "ab+");
3835 end_critical_section(S_SUPPMSGMAIN);
3837 /* msgnum < 0 means that we're trying to close the file */
3839 lprintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
3840 begin_critical_section(S_SUPPMSGMAIN);
3841 if (arcfp != NULL) {
3845 end_critical_section(S_SUPPMSGMAIN);
3850 * If we can't open the queue, perform the operation synchronously.
3852 if (arcfp == NULL) {
3853 TDAP_AdjRefCount(msgnum, incr);
3857 new_arcq.arcq_msgnum = msgnum;
3858 new_arcq.arcq_delta = incr;
3859 fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
3867 * TDAP_ProcessAdjRefCountQueue()
3869 * Process the queue of message count adjustments that was created by calls
3870 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
3871 * for each one. This should be an "off hours" operation.
3873 int TDAP_ProcessAdjRefCountQueue(void)
3875 char file_arcq_temp[PATH_MAX];
3878 struct arcq arcq_rec;
3879 int num_records_processed = 0;
3881 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s2", file_arcq);
3883 begin_critical_section(S_SUPPMSGMAIN);
3884 if (arcfp != NULL) {
3889 r = link(file_arcq, file_arcq_temp);
3891 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3892 end_critical_section(S_SUPPMSGMAIN);
3893 return(num_records_processed);
3897 end_critical_section(S_SUPPMSGMAIN);
3899 fp = fopen(file_arcq_temp, "rb");
3901 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3902 return(num_records_processed);
3905 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
3906 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
3907 ++num_records_processed;
3911 r = unlink(file_arcq_temp);
3913 lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3916 return(num_records_processed);
3922 * TDAP_AdjRefCount - adjust the reference count for a message.
3923 * This one does it "for real" because it's called by
3924 * the autopurger function that processes the queue
3925 * created by AdjRefCount(). If a message's reference
3926 * count becomes zero, we also delete the message from
3927 * disk and de-index it.
3929 void TDAP_AdjRefCount(long msgnum, int incr)
3932 struct MetaData smi;
3935 /* This is a *tight* critical section; please keep it that way, as
3936 * it may get called while nested in other critical sections.
3937 * Complicating this any further will surely cause deadlock!
3939 begin_critical_section(S_SUPPMSGMAIN);
3940 GetMetaData(&smi, msgnum);
3941 smi.meta_refcount += incr;
3943 end_critical_section(S_SUPPMSGMAIN);
3944 lprintf(CTDL_DEBUG, "msg %ld ref count delta %d, is now %d\n",
3945 msgnum, incr, smi.meta_refcount);
3947 /* If the reference count is now zero, delete the message
3948 * (and its supplementary record as well).
3950 if (smi.meta_refcount == 0) {
3951 lprintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
3953 /* Remove from fulltext index */
3954 if (config.c_enable_fulltext) {
3955 ft_index_message(msgnum, 0);
3958 /* Remove from message base */
3960 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
3961 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
3963 /* Remove metadata record */
3964 delnum = (0L - msgnum);
3965 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
3971 * Write a generic object to this room
3973 * Note: this could be much more efficient. Right now we use two temporary
3974 * files, and still pull the message into memory as with all others.
3976 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3977 char *content_type, /* MIME type of this object */
3978 char *tempfilename, /* Where to fetch it from */
3979 struct ctdluser *is_mailbox, /* Mailbox room? */
3980 int is_binary, /* Is encoding necessary? */
3981 int is_unique, /* Del others of this type? */
3982 unsigned int flags /* Internal save flags */
3987 struct ctdlroom qrbuf;
3988 char roomname[ROOMNAMELEN];
3989 struct CtdlMessage *msg;
3991 char *raw_message = NULL;
3992 char *encoded_message = NULL;
3993 off_t raw_length = 0;
3995 if (is_mailbox != NULL) {
3996 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
3999 safestrncpy(roomname, req_room, sizeof(roomname));
4002 fp = fopen(tempfilename, "rb");
4004 lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
4005 tempfilename, strerror(errno));
4008 fseek(fp, 0L, SEEK_END);
4009 raw_length = ftell(fp);
4011 lprintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4013 raw_message = malloc((size_t)raw_length + 2);
4014 fread(raw_message, (size_t)raw_length, 1, fp);
4018 encoded_message = malloc((size_t)
4019 (((raw_length * 134) / 100) + 4096 ) );
4022 encoded_message = malloc((size_t)(raw_length + 4096));
4025 sprintf(encoded_message, "Content-type: %s\n", content_type);
4028 sprintf(&encoded_message[strlen(encoded_message)],
4029 "Content-transfer-encoding: base64\n\n"
4033 sprintf(&encoded_message[strlen(encoded_message)],
4034 "Content-transfer-encoding: 7bit\n\n"
4040 &encoded_message[strlen(encoded_message)],
4046 raw_message[raw_length] = 0;
4048 &encoded_message[strlen(encoded_message)],
4056 lprintf(CTDL_DEBUG, "Allocating\n");
4057 msg = malloc(sizeof(struct CtdlMessage));
4058 memset(msg, 0, sizeof(struct CtdlMessage));
4059 msg->cm_magic = CTDLMESSAGE_MAGIC;
4060 msg->cm_anon_type = MES_NORMAL;
4061 msg->cm_format_type = 4;
4062 msg->cm_fields['A'] = strdup(CC->user.fullname);
4063 msg->cm_fields['O'] = strdup(req_room);
4064 msg->cm_fields['N'] = strdup(config.c_nodename);
4065 msg->cm_fields['H'] = strdup(config.c_humannode);
4066 msg->cm_flags = flags;
4068 msg->cm_fields['M'] = encoded_message;
4070 /* Create the requested room if we have to. */
4071 if (getroom(&qrbuf, roomname) != 0) {
4072 create_room(roomname,
4073 ( (is_mailbox != NULL) ? 5 : 3 ),
4074 "", 0, 1, 0, VIEW_BBS);
4076 /* If the caller specified this object as unique, delete all
4077 * other objects of this type that are currently in the room.
4080 lprintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4081 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4084 /* Now write the data */
4085 CtdlSubmitMsg(msg, NULL, roomname);
4086 CtdlFreeMessage(msg);
4094 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4095 config_msgnum = msgnum;
4099 char *CtdlGetSysConfig(char *sysconfname) {
4100 char hold_rm[ROOMNAMELEN];
4103 struct CtdlMessage *msg;
4106 strcpy(hold_rm, CC->room.QRname);
4107 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
4108 getroom(&CC->room, hold_rm);
4113 /* We want the last (and probably only) config in this room */
4114 begin_critical_section(S_CONFIG);
4115 config_msgnum = (-1L);
4116 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4117 CtdlGetSysConfigBackend, NULL);
4118 msgnum = config_msgnum;
4119 end_critical_section(S_CONFIG);
4125 msg = CtdlFetchMessage(msgnum, 1);
4127 conf = strdup(msg->cm_fields['M']);
4128 CtdlFreeMessage(msg);
4135 getroom(&CC->room, hold_rm);
4137 if (conf != NULL) do {
4138 extract_token(buf, conf, 0, '\n', sizeof buf);
4139 strcpy(conf, &conf[strlen(buf)+1]);
4140 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
4145 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4146 char temp[PATH_MAX];
4149 CtdlMakeTempFileName(temp, sizeof temp);
4151 fp = fopen(temp, "w");
4152 if (fp == NULL) return;
4153 fprintf(fp, "%s", sysconfdata);
4156 /* this handy API function does all the work for us */
4157 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
4163 * Determine whether a given Internet address belongs to the current user
4165 int CtdlIsMe(char *addr, int addr_buf_len)
4167 struct recptypes *recp;
4170 recp = validate_recipients(addr);
4171 if (recp == NULL) return(0);
4173 if (recp->num_local == 0) {
4178 for (i=0; i<recp->num_local; ++i) {
4179 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4180 if (!strcasecmp(addr, CC->user.fullname)) {
4192 * Citadel protocol command to do the same
4194 void cmd_isme(char *argbuf) {
4197 if (CtdlAccessCheck(ac_logged_in)) return;
4198 extract_token(addr, argbuf, 0, '|', sizeof addr);
4200 if (CtdlIsMe(addr, sizeof addr)) {
4201 cprintf("%d %s\n", CIT_OK, addr);
4204 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);