4 * Implements the message store.
18 #if TIME_WITH_SYS_TIME
19 # include <sys/time.h>
23 # include <sys/time.h>
38 #include "serv_extensions.h"
42 #include "sysdep_decls.h"
43 #include "citserver.h"
49 #include "mime_parser.h"
52 #include "internet_addressing.h"
54 #define desired_section ((char *)CtdlGetUserData(SYM_DESIRED_SECTION))
55 #define ma ((struct ma_info *)CtdlGetUserData(SYM_MA_INFO))
56 #define msg_repl ((struct repl *)CtdlGetUserData(SYM_REPL))
58 extern struct config config;
63 * This really belongs in serv_network.c, but I don't know how to export
64 * symbols between modules.
66 struct FilterList *filterlist = NULL;
70 * These are the four-character field headers we use when outputting
71 * messages in Citadel format (as opposed to RFC822 format).
74 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
75 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
76 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
77 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
78 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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,
108 * This function is self explanatory.
109 * (What can I say, I'm in a weird mood today...)
111 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
115 for (i = 0; i < strlen(name); ++i) {
116 if (name[i] == '@') {
117 while (isspace(name[i - 1]) && i > 0) {
118 strcpy(&name[i - 1], &name[i]);
121 while (isspace(name[i + 1])) {
122 strcpy(&name[i + 1], &name[i + 2]);
130 * Aliasing for network mail.
131 * (Error messages have been commented out, because this is a server.)
133 int alias(char *name)
134 { /* process alias and routing info for mail */
137 char aaa[SIZ], bbb[SIZ];
138 char *ignetcfg = NULL;
139 char *ignetmap = NULL;
146 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
148 fp = fopen("network/mail.aliases", "r");
150 fp = fopen("/dev/null", "r");
157 while (fgets(aaa, sizeof aaa, fp) != NULL) {
158 while (isspace(name[0]))
159 strcpy(name, &name[1]);
160 aaa[strlen(aaa) - 1] = 0;
162 for (a = 0; a < strlen(aaa); ++a) {
164 strcpy(bbb, &aaa[a + 1]);
168 if (!strcasecmp(name, aaa))
173 /* Hit the Global Address Book */
174 if (CtdlDirectoryLookup(aaa, name) == 0) {
178 lprintf(CTDL_INFO, "Mail is being forwarded to %s\n", name);
180 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
181 for (a=0; a<strlen(name); ++a) {
182 if (name[a] == '@') {
183 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
185 lprintf(CTDL_INFO, "Changed to <%s>\n", name);
190 /* determine local or remote type, see citadel.h */
191 at = haschar(name, '@');
192 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
193 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
194 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
196 /* figure out the delivery mode */
197 extract_token(node, name, 1, '@');
199 /* If there are one or more dots in the nodename, we assume that it
200 * is an FQDN and will attempt SMTP delivery to the Internet.
202 if (haschar(node, '.') > 0) {
203 return(MES_INTERNET);
206 /* Otherwise we look in the IGnet maps for a valid Citadel node.
207 * Try directly-connected nodes first...
209 ignetcfg = CtdlGetSysConfig(IGNETCFG);
210 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
211 extract_token(buf, ignetcfg, i, '\n');
212 extract_token(testnode, buf, 0, '|');
213 if (!strcasecmp(node, testnode)) {
221 * Then try nodes that are two or more hops away.
223 ignetmap = CtdlGetSysConfig(IGNETMAP);
224 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
225 extract_token(buf, ignetmap, i, '\n');
226 extract_token(testnode, buf, 0, '|');
227 if (!strcasecmp(node, testnode)) {
234 /* If we get to this point it's an invalid node name */
243 fp = fopen("citadel.control", "r");
245 lprintf(CTDL_CRIT, "Cannot open citadel.control: %s\n",
249 fread((char *) &CitControl, sizeof(struct CitControl), 1, fp);
255 void simple_listing(long msgnum, void *userdata)
257 cprintf("%ld\n", msgnum);
262 /* Determine if a given message matches the fields in a message template.
263 * Return 0 for a successful match.
265 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
268 /* If there aren't any fields in the template, all messages will
271 if (template == NULL) return(0);
273 /* Null messages are bogus. */
274 if (msg == NULL) return(1);
276 for (i='A'; i<='Z'; ++i) {
277 if (template->cm_fields[i] != NULL) {
278 if (msg->cm_fields[i] == NULL) {
281 if (strcasecmp(msg->cm_fields[i],
282 template->cm_fields[i])) return 1;
286 /* All compares succeeded: we have a match! */
293 * Retrieve the "seen" message list for the current room.
295 void CtdlGetSeen(char *buf, int which_set) {
298 /* Learn about the user and room in question */
299 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
301 if (which_set == ctdlsetseen_seen)
302 safestrncpy(buf, vbuf.v_seen, SIZ);
303 if (which_set == ctdlsetseen_answered)
304 safestrncpy(buf, vbuf.v_answered, SIZ);
310 * Manipulate the "seen msgs" string (or other message set strings)
312 void CtdlSetSeen(long target_msgnum, int target_setting, int which_set) {
314 struct cdbdata *cdbfr;
325 lprintf(CTDL_DEBUG, "CtdlSetSeen(%ld, %d, %d)\n",
326 target_msgnum, target_setting, which_set);
328 /* Learn about the user and room in question */
329 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
331 /* Load the message list */
332 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
334 msglist = malloc(cdbfr->len);
335 memcpy(msglist, cdbfr->ptr, cdbfr->len);
336 num_msgs = cdbfr->len / sizeof(long);
339 return; /* No messages at all? No further action. */
342 /* Decide which message set we're manipulating */
343 if (which_set == ctdlsetseen_seen) strcpy(vset, vbuf.v_seen);
344 if (which_set == ctdlsetseen_answered) strcpy(vset, vbuf.v_answered);
346 lprintf(CTDL_DEBUG, "before optimize: %s\n", vset);
349 for (i=0; i<num_msgs; ++i) {
352 if (msglist[i] == target_msgnum) {
353 is_seen = target_setting;
356 if (is_msg_in_mset(vset, msglist[i])) {
362 if (lo < 0L) lo = msglist[i];
365 if ( ((is_seen == 0) && (was_seen == 1))
366 || ((is_seen == 1) && (i == num_msgs-1)) ) {
369 if ( (strlen(newseen) + 20) > SIZ) {
370 strcpy(newseen, &newseen[20]);
373 tmp = strlen(newseen);
375 strcat(newseen, ",");
379 snprintf(&newseen[tmp], sizeof newseen - tmp,
383 snprintf(&newseen[tmp], sizeof newseen - tmp,
392 /* Decide which message set we're manipulating */
393 if (which_set == ctdlsetseen_seen) strcpy(vbuf.v_seen, newseen);
394 if (which_set == ctdlsetseen_answered) strcpy(vbuf.v_answered, newseen);
396 lprintf(CTDL_DEBUG, " after optimize: %s\n", newseen);
398 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
403 * API function to perform an operation for each qualifying message in the
404 * current room. (Returns the number of messages processed.)
406 int CtdlForEachMessage(int mode, long ref,
408 struct CtdlMessage *compare,
409 void (*CallBack) (long, void *),
415 struct cdbdata *cdbfr;
416 long *msglist = NULL;
418 int num_processed = 0;
421 struct CtdlMessage *msg;
424 int printed_lastold = 0;
426 /* Learn about the user and room in question */
428 getuser(&CC->user, CC->curr_user);
429 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
431 /* Load the message list */
432 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
434 msglist = malloc(cdbfr->len);
435 memcpy(msglist, cdbfr->ptr, cdbfr->len);
436 num_msgs = cdbfr->len / sizeof(long);
439 return 0; /* No messages at all? No further action. */
444 * Now begin the traversal.
446 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
448 /* If the caller is looking for a specific MIME type, filter
449 * out all messages which are not of the type requested.
451 if (content_type != NULL) if (strlen(content_type) > 0) {
453 /* This call to GetMetaData() sits inside this loop
454 * so that we only do the extra database read per msg
455 * if we need to. Doing the extra read all the time
456 * really kills the server. If we ever need to use
457 * metadata for another search criterion, we need to
458 * move the read somewhere else -- but still be smart
459 * enough to only do the read if the caller has
460 * specified something that will need it.
462 GetMetaData(&smi, msglist[a]);
464 if (strcasecmp(smi.meta_content_type, content_type)) {
470 num_msgs = sort_msglist(msglist, num_msgs);
472 /* If a template was supplied, filter out the messages which
473 * don't match. (This could induce some delays!)
476 if (compare != NULL) {
477 for (a = 0; a < num_msgs; ++a) {
478 msg = CtdlFetchMessage(msglist[a], 1);
480 if (CtdlMsgCmp(msg, compare)) {
483 CtdlFreeMessage(msg);
491 * Now iterate through the message list, according to the
492 * criteria supplied by the caller.
495 for (a = 0; a < num_msgs; ++a) {
496 thismsg = msglist[a];
497 is_seen = is_msg_in_mset(vbuf.v_seen, thismsg);
498 if (is_seen) lastold = thismsg;
503 || ((mode == MSGS_OLD) && (is_seen))
504 || ((mode == MSGS_NEW) && (!is_seen))
505 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
506 || ((mode == MSGS_FIRST) && (a < ref))
507 || ((mode == MSGS_GT) && (thismsg > ref))
508 || ((mode == MSGS_EQ) && (thismsg == ref))
511 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
513 CallBack(lastold, userdata);
517 if (CallBack) CallBack(thismsg, userdata);
521 free(msglist); /* Clean up */
522 return num_processed;
528 * cmd_msgs() - get list of message #'s in this room
529 * implements the MSGS server command using CtdlForEachMessage()
531 void cmd_msgs(char *cmdbuf)
540 int with_template = 0;
541 struct CtdlMessage *template = NULL;
543 extract(which, cmdbuf, 0);
544 cm_ref = extract_int(cmdbuf, 1);
545 with_template = extract_int(cmdbuf, 2);
549 if (!strncasecmp(which, "OLD", 3))
551 else if (!strncasecmp(which, "NEW", 3))
553 else if (!strncasecmp(which, "FIRST", 5))
555 else if (!strncasecmp(which, "LAST", 4))
557 else if (!strncasecmp(which, "GT", 2))
560 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
561 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
567 cprintf("%d Send template then receive message list\n",
569 template = (struct CtdlMessage *)
570 malloc(sizeof(struct CtdlMessage));
571 memset(template, 0, sizeof(struct CtdlMessage));
572 while(client_gets(buf), strcmp(buf,"000")) {
573 extract(tfield, buf, 0);
574 extract(tvalue, buf, 1);
575 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
576 if (!strcasecmp(tfield, msgkeys[i])) {
577 template->cm_fields[i] =
585 cprintf("%d Message list...\n", LISTING_FOLLOWS);
588 CtdlForEachMessage(mode, cm_ref,
589 NULL, template, simple_listing, NULL);
590 if (template != NULL) CtdlFreeMessage(template);
598 * help_subst() - support routine for help file viewer
600 void help_subst(char *strbuf, char *source, char *dest)
605 while (p = pattern2(strbuf, source), (p >= 0)) {
606 strcpy(workbuf, &strbuf[p + strlen(source)]);
607 strcpy(&strbuf[p], dest);
608 strcat(strbuf, workbuf);
613 void do_help_subst(char *buffer)
617 help_subst(buffer, "^nodename", config.c_nodename);
618 help_subst(buffer, "^humannode", config.c_humannode);
619 help_subst(buffer, "^fqdn", config.c_fqdn);
620 help_subst(buffer, "^username", CC->user.fullname);
621 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
622 help_subst(buffer, "^usernum", buf2);
623 help_subst(buffer, "^sysadm", config.c_sysadm);
624 help_subst(buffer, "^variantname", CITADEL);
625 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
626 help_subst(buffer, "^maxsessions", buf2);
627 help_subst(buffer, "^bbsdir", BBSDIR);
633 * memfmout() - Citadel text formatter and paginator.
634 * Although the original purpose of this routine was to format
635 * text to the reader's screen width, all we're really using it
636 * for here is to format text out to 80 columns before sending it
637 * to the client. The client software may reformat it again.
640 int width, /* screen width to use */
641 char *mptr, /* where are we going to get our text from? */
642 char subst, /* nonzero if we should do substitutions */
643 char *nl) /* string to terminate lines with */
655 c = 1; /* c is the current pos */
659 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
661 buffer[strlen(buffer) + 1] = 0;
662 buffer[strlen(buffer)] = ch;
665 if (buffer[0] == '^')
666 do_help_subst(buffer);
668 buffer[strlen(buffer) + 1] = 0;
670 strcpy(buffer, &buffer[1]);
678 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
680 if (((old == 13) || (old == 10)) && (isspace(real))) {
688 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
689 cprintf("%s%s", nl, aaa);
698 if ((strlen(aaa) + c) > (width - 5)) {
707 if ((ch == 13) || (ch == 10)) {
708 cprintf("%s%s", aaa, nl);
715 cprintf("%s%s", aaa, nl);
721 * Callback function for mime parser that simply lists the part
723 void list_this_part(char *name, char *filename, char *partnum, char *disp,
724 void *content, char *cbtype, size_t length, char *encoding,
728 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
729 name, filename, partnum, disp, cbtype, (long)length);
733 * Callback function for multipart prefix
735 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
736 void *content, char *cbtype, size_t length, char *encoding,
739 cprintf("pref=%s|%s\n", partnum, cbtype);
743 * Callback function for multipart sufffix
745 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
746 void *content, char *cbtype, size_t length, char *encoding,
749 cprintf("suff=%s|%s\n", partnum, cbtype);
754 * Callback function for mime parser that opens a section for downloading
756 void mime_download(char *name, char *filename, char *partnum, char *disp,
757 void *content, char *cbtype, size_t length, char *encoding,
761 /* Silently go away if there's already a download open... */
762 if (CC->download_fp != NULL)
765 /* ...or if this is not the desired section */
766 if (strcasecmp(desired_section, partnum))
769 CC->download_fp = tmpfile();
770 if (CC->download_fp == NULL)
773 fwrite(content, length, 1, CC->download_fp);
774 fflush(CC->download_fp);
775 rewind(CC->download_fp);
777 OpenCmdResult(filename, cbtype);
783 * Load a message from disk into memory.
784 * This is used by CtdlOutputMsg() and other fetch functions.
786 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
787 * using the CtdlMessageFree() function.
789 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
791 struct cdbdata *dmsgtext;
792 struct cdbdata *dbigmsg;
793 struct CtdlMessage *ret = NULL;
796 cit_uint8_t field_header;
799 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
800 if (dmsgtext == NULL) {
803 mptr = dmsgtext->ptr;
805 /* Parse the three bytes that begin EVERY message on disk.
806 * The first is always 0xFF, the on-disk magic number.
807 * The second is the anonymous/public type byte.
808 * The third is the format type byte (vari, fixed, or MIME).
812 lprintf(CTDL_ERR, "Message %ld appears to be corrupted.\n", msgnum);
816 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
817 memset(ret, 0, sizeof(struct CtdlMessage));
819 ret->cm_magic = CTDLMESSAGE_MAGIC;
820 ret->cm_anon_type = *mptr++; /* Anon type byte */
821 ret->cm_format_type = *mptr++; /* Format type byte */
824 * The rest is zero or more arbitrary fields. Load them in.
825 * We're done when we encounter either a zero-length field or
826 * have just processed the 'M' (message text) field.
829 field_length = strlen(mptr);
830 if (field_length == 0)
832 field_header = *mptr++;
833 ret->cm_fields[field_header] = malloc(field_length);
834 strcpy(ret->cm_fields[field_header], mptr);
836 while (*mptr++ != 0); /* advance to next field */
838 } while ((field_length > 0) && (field_header != 'M'));
842 /* Always make sure there's something in the msg text field. If
843 * it's NULL, the message text is most likely stored separately,
844 * so go ahead and fetch that. Failing that, just set a dummy
845 * body so other code doesn't barf.
847 if (ret->cm_fields['M'] == NULL) {
849 dbigmsg = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
850 if (dmsgtext == NULL) {
851 ret->cm_fields['M'] = strdup("<no text>\n");
854 ret->cm_fields['M'] = strdup(dbigmsg->ptr);
859 /* Perform "before read" hooks (aborting if any return nonzero) */
860 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
861 CtdlFreeMessage(ret);
870 * Returns 1 if the supplied pointer points to a valid Citadel message.
871 * If the pointer is NULL or the magic number check fails, returns 0.
873 int is_valid_message(struct CtdlMessage *msg) {
876 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
877 lprintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
885 * 'Destructor' for struct CtdlMessage
887 void CtdlFreeMessage(struct CtdlMessage *msg)
891 if (is_valid_message(msg) == 0) return;
893 for (i = 0; i < 256; ++i)
894 if (msg->cm_fields[i] != NULL) {
895 free(msg->cm_fields[i]);
898 msg->cm_magic = 0; /* just in case */
904 * Pre callback function for multipart/alternative
906 * NOTE: this differs from the standard behavior for a reason. Normally when
907 * displaying multipart/alternative you want to show the _last_ usable
908 * format in the message. Here we show the _first_ one, because it's
909 * usually text/plain. Since this set of functions is designed for text
910 * output to non-MIME-aware clients, this is the desired behavior.
913 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
914 void *content, char *cbtype, size_t length, char *encoding,
917 lprintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
918 if (!strcasecmp(cbtype, "multipart/alternative")) {
926 * Post callback function for multipart/alternative
928 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
929 void *content, char *cbtype, size_t length, char *encoding,
932 lprintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
933 if (!strcasecmp(cbtype, "multipart/alternative")) {
941 * Inline callback function for mime parser that wants to display text
943 void fixed_output(char *name, char *filename, char *partnum, char *disp,
944 void *content, char *cbtype, size_t length, char *encoding,
951 lprintf(CTDL_DEBUG, "fixed_output() type=<%s>\n", cbtype);
954 * If we're in the middle of a multipart/alternative scope and
955 * we've already printed another section, skip this one.
957 if ( (ma->is_ma == 1) && (ma->did_print == 1) ) {
958 lprintf(CTDL_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
963 if ( (!strcasecmp(cbtype, "text/plain"))
964 || (strlen(cbtype)==0) ) {
967 client_write(wptr, length);
968 if (wptr[length-1] != '\n') {
973 else if (!strcasecmp(cbtype, "text/html")) {
974 ptr = html_to_ascii(content, 80, 0);
976 client_write(ptr, wlen);
977 if (ptr[wlen-1] != '\n') {
982 else if (strncasecmp(cbtype, "multipart/", 10)) {
983 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
984 partnum, filename, cbtype, (long)length);
989 * The client is elegant and sophisticated and wants to be choosy about
990 * MIME content types, so figure out which multipart/alternative part
991 * we're going to send.
993 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
994 void *content, char *cbtype, size_t length, char *encoding,
1000 if (ma->is_ma > 0) {
1001 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1002 extract(buf, CC->preferred_formats, i);
1003 if (!strcasecmp(buf, cbtype)) {
1004 strcpy(ma->chosen_part, partnum);
1011 * Now that we've chosen our preferred part, output it.
1013 void output_preferred(char *name, char *filename, char *partnum, char *disp,
1014 void *content, char *cbtype, size_t length, char *encoding,
1019 int add_newline = 0;
1022 /* This is not the MIME part you're looking for... */
1023 if (strcasecmp(partnum, ma->chosen_part)) return;
1025 /* If the content-type of this part is in our preferred formats
1026 * list, we can simply output it verbatim.
1028 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1029 extract(buf, CC->preferred_formats, i);
1030 if (!strcasecmp(buf, cbtype)) {
1031 /* Yeah! Go! W00t!! */
1033 text_content = (char *)content;
1034 if (text_content[length-1] != '\n') {
1038 cprintf("Content-type: %s\n", cbtype);
1039 cprintf("Content-length: %d\n",
1040 (int)(length + add_newline) );
1041 if (strlen(encoding) > 0) {
1042 cprintf("Content-transfer-encoding: %s\n", encoding);
1045 cprintf("Content-transfer-encoding: 7bit\n");
1048 client_write(content, length);
1049 if (add_newline) cprintf("\n");
1054 /* No translations required or possible: output as text/plain */
1055 cprintf("Content-type: text/plain\n\n");
1056 fixed_output(name, filename, partnum, disp, content, cbtype,
1057 length, encoding, cbuserdata);
1062 * Get a message off disk. (returns om_* values found in msgbase.h)
1065 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1066 int mode, /* how would you like that message? */
1067 int headers_only, /* eschew the message body? */
1068 int do_proto, /* do Citadel protocol responses? */
1069 int crlf /* Use CRLF newlines instead of LF? */
1071 struct CtdlMessage *TheMessage;
1074 lprintf(CTDL_DEBUG, "CtdlOutputMsg() msgnum=%ld, mode=%d\n",
1079 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1080 if (do_proto) cprintf("%d Not logged in.\n",
1081 ERROR + NOT_LOGGED_IN);
1082 return(om_not_logged_in);
1085 /* FIXME: check message id against msglist for this room */
1088 * Fetch the message from disk. If we're in sooper-fast headers
1089 * only mode, request that we don't even bother loading the body
1092 if (headers_only == HEADERS_FAST) {
1093 TheMessage = CtdlFetchMessage(msg_num, 0);
1096 TheMessage = CtdlFetchMessage(msg_num, 1);
1099 if (TheMessage == NULL) {
1100 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1101 ERROR + MESSAGE_NOT_FOUND, msg_num);
1102 return(om_no_such_msg);
1105 retcode = CtdlOutputPreLoadedMsg(
1106 TheMessage, msg_num, mode,
1107 headers_only, do_proto, crlf);
1109 CtdlFreeMessage(TheMessage);
1116 * Get a message off disk. (returns om_* values found in msgbase.h)
1119 int CtdlOutputPreLoadedMsg(struct CtdlMessage *TheMessage,
1121 int mode, /* how would you like that message? */
1122 int headers_only, /* eschew the message body? */
1123 int do_proto, /* do Citadel protocol responses? */
1124 int crlf /* Use CRLF newlines instead of LF? */
1130 char display_name[SIZ];
1132 char *nl; /* newline string */
1134 int subject_found = 0;
1136 /* buffers needed for RFC822 translation */
1143 char datestamp[SIZ];
1146 snprintf(mid, sizeof mid, "%ld", msg_num);
1147 nl = (crlf ? "\r\n" : "\n");
1149 if (!is_valid_message(TheMessage)) {
1150 lprintf(CTDL_ERR, "ERROR: invalid preloaded message for output\n");
1151 return(om_no_such_msg);
1154 /* Are we downloading a MIME component? */
1155 if (mode == MT_DOWNLOAD) {
1156 if (TheMessage->cm_format_type != FMT_RFC822) {
1158 cprintf("%d This is not a MIME message.\n",
1159 ERROR + ILLEGAL_VALUE);
1160 } else if (CC->download_fp != NULL) {
1161 if (do_proto) cprintf(
1162 "%d You already have a download open.\n",
1163 ERROR + RESOURCE_BUSY);
1165 /* Parse the message text component */
1166 mptr = TheMessage->cm_fields['M'];
1167 mime_parser(mptr, NULL,
1168 *mime_download, NULL, NULL,
1170 /* If there's no file open by this time, the requested
1171 * section wasn't found, so print an error
1173 if (CC->download_fp == NULL) {
1174 if (do_proto) cprintf(
1175 "%d Section %s not found.\n",
1176 ERROR + FILE_NOT_FOUND,
1180 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1183 /* now for the user-mode message reading loops */
1184 if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
1186 /* Does the caller want to skip the headers? */
1187 if (headers_only == HEADERS_NONE) goto START_TEXT;
1189 /* Tell the client which format type we're using. */
1190 if ( (mode == MT_CITADEL) && (do_proto) ) {
1191 cprintf("type=%d\n", TheMessage->cm_format_type);
1194 /* nhdr=yes means that we're only displaying headers, no body */
1195 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1196 && (mode == MT_CITADEL)
1199 cprintf("nhdr=yes\n");
1202 /* begin header processing loop for Citadel message format */
1204 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1206 strcpy(display_name, "<unknown>");
1207 if (TheMessage->cm_fields['A']) {
1208 strcpy(buf, TheMessage->cm_fields['A']);
1209 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1210 strcpy(display_name, "****");
1212 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1213 strcpy(display_name, "anonymous");
1216 strcpy(display_name, buf);
1218 if ((is_room_aide())
1219 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1220 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1221 size_t tmp = strlen(display_name);
1222 snprintf(&display_name[tmp],
1223 sizeof display_name - tmp,
1228 /* Don't show Internet address for users on the
1229 * local Citadel network.
1232 if (TheMessage->cm_fields['N'] != NULL)
1233 if (strlen(TheMessage->cm_fields['N']) > 0)
1234 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1238 /* Now spew the header fields in the order we like them. */
1239 strcpy(allkeys, FORDER);
1240 for (i=0; i<strlen(allkeys); ++i) {
1241 k = (int) allkeys[i];
1243 if ( (TheMessage->cm_fields[k] != NULL)
1244 && (msgkeys[k] != NULL) ) {
1246 if (do_proto) cprintf("%s=%s\n",
1250 else if ((k == 'F') && (suppress_f)) {
1253 /* Masquerade display name if needed */
1255 if (do_proto) cprintf("%s=%s\n",
1257 TheMessage->cm_fields[k]
1266 /* begin header processing loop for RFC822 transfer format */
1271 strcpy(snode, NODENAME);
1272 strcpy(lnode, HUMANNODE);
1273 if (mode == MT_RFC822) {
1274 cprintf("X-UIDL: %ld%s", msg_num, nl);
1275 for (i = 0; i < 256; ++i) {
1276 if (TheMessage->cm_fields[i]) {
1277 mptr = TheMessage->cm_fields[i];
1280 strcpy(luser, mptr);
1281 strcpy(suser, mptr);
1284 "Path:" removed for now because it confuses brain-dead Microsoft shitware
1285 into thinking that mail messages are newsgroup messages instead. When we
1286 add NNTP support back into Citadel we'll have to add code to only output
1287 this field when appropriate.
1288 else if (i == 'P') {
1289 cprintf("Path: %s%s", mptr, nl);
1292 else if (i == 'U') {
1293 cprintf("Subject: %s%s", mptr, nl);
1297 safestrncpy(mid, mptr, sizeof mid);
1299 safestrncpy(lnode, mptr, sizeof lnode);
1301 safestrncpy(fuser, mptr, sizeof fuser);
1303 cprintf("X-Citadel-Room: %s%s",
1306 safestrncpy(snode, mptr, sizeof snode);
1308 cprintf("To: %s%s", mptr, nl);
1309 else if (i == 'T') {
1310 datestring(datestamp, sizeof datestamp,
1311 atol(mptr), DATESTRING_RFC822);
1312 cprintf("Date: %s%s", datestamp, nl);
1316 if (subject_found == 0) {
1317 cprintf("Subject: (no subject)%s", nl);
1321 for (i=0; i<strlen(suser); ++i) {
1322 suser[i] = tolower(suser[i]);
1323 if (!isalnum(suser[i])) suser[i]='_';
1326 if (mode == MT_RFC822) {
1327 if (!strcasecmp(snode, NODENAME)) {
1328 strcpy(snode, FQDN);
1331 /* Construct a fun message id */
1332 cprintf("Message-ID: <%s", mid);
1333 if (strchr(mid, '@')==NULL) {
1334 cprintf("@%s", snode);
1338 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
1339 cprintf("From: x@x.org (----)%s", nl);
1341 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
1342 cprintf("From: x@x.org (anonymous)%s", nl);
1344 else if (strlen(fuser) > 0) {
1345 cprintf("From: %s (%s)%s", fuser, luser, nl);
1348 cprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
1351 cprintf("Organization: %s%s", lnode, nl);
1353 /* Blank line signifying RFC822 end-of-headers */
1354 if (TheMessage->cm_format_type != FMT_RFC822) {
1359 /* end header processing loop ... at this point, we're in the text */
1361 if (headers_only == HEADERS_FAST) goto DONE;
1362 mptr = TheMessage->cm_fields['M'];
1364 /* Tell the client about the MIME parts in this message */
1365 if (TheMessage->cm_format_type == FMT_RFC822) {
1366 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1367 mime_parser(mptr, NULL,
1373 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1374 /* FIXME ... we have to put some code in here to avoid
1375 * printing duplicate header information when both
1376 * Citadel and RFC822 headers exist. Preference should
1377 * probably be given to the RFC822 headers.
1379 int done_rfc822_hdrs = 0;
1380 while (ch=*(mptr++), ch!=0) {
1385 if (!done_rfc822_hdrs) {
1386 if (headers_only != HEADERS_NONE) {
1391 if (headers_only != HEADERS_ONLY) {
1395 if ((*(mptr) == 13) || (*(mptr) == 10)) {
1396 done_rfc822_hdrs = 1;
1400 if (done_rfc822_hdrs) {
1401 if (headers_only != HEADERS_NONE) {
1406 if (headers_only != HEADERS_ONLY) {
1410 if ((*mptr == 13) || (*mptr == 10)) {
1411 done_rfc822_hdrs = 1;
1419 if (headers_only == HEADERS_ONLY) {
1423 /* signify start of msg text */
1424 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1425 if (do_proto) cprintf("text\n");
1428 /* If the format type on disk is 1 (fixed-format), then we want
1429 * everything to be output completely literally ... regardless of
1430 * what message transfer format is in use.
1432 if (TheMessage->cm_format_type == FMT_FIXED) {
1433 if (mode == MT_MIME) {
1434 cprintf("Content-type: text/plain\n\n");
1437 while (ch = *mptr++, ch > 0) {
1440 if ((ch == 10) || (strlen(buf) > 250)) {
1441 cprintf("%s%s", buf, nl);
1444 buf[strlen(buf) + 1] = 0;
1445 buf[strlen(buf)] = ch;
1448 if (strlen(buf) > 0)
1449 cprintf("%s%s", buf, nl);
1452 /* If the message on disk is format 0 (Citadel vari-format), we
1453 * output using the formatter at 80 columns. This is the final output
1454 * form if the transfer format is RFC822, but if the transfer format
1455 * is Citadel proprietary, it'll still work, because the indentation
1456 * for new paragraphs is correct and the client will reformat the
1457 * message to the reader's screen width.
1459 if (TheMessage->cm_format_type == FMT_CITADEL) {
1460 if (mode == MT_MIME) {
1461 cprintf("Content-type: text/x-citadel-variformat\n\n");
1463 memfmout(80, mptr, 0, nl);
1466 /* If the message on disk is format 4 (MIME), we've gotta hand it
1467 * off to the MIME parser. The client has already been told that
1468 * this message is format 1 (fixed format), so the callback function
1469 * we use will display those parts as-is.
1471 if (TheMessage->cm_format_type == FMT_RFC822) {
1472 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1473 memset(ma, 0, sizeof(struct ma_info));
1475 if (mode == MT_MIME) {
1476 strcpy(ma->chosen_part, "1");
1477 mime_parser(mptr, NULL,
1478 *choose_preferred, *fixed_output_pre,
1479 *fixed_output_post, NULL, 0);
1480 mime_parser(mptr, NULL,
1481 *output_preferred, NULL, NULL, NULL, 0);
1484 mime_parser(mptr, NULL,
1485 *fixed_output, *fixed_output_pre,
1486 *fixed_output_post, NULL, 0);
1490 DONE: /* now we're done */
1491 if (do_proto) cprintf("000\n");
1498 * display a message (mode 0 - Citadel proprietary)
1500 void cmd_msg0(char *cmdbuf)
1503 int headers_only = HEADERS_ALL;
1505 msgid = extract_long(cmdbuf, 0);
1506 headers_only = extract_int(cmdbuf, 1);
1508 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1514 * display a message (mode 2 - RFC822)
1516 void cmd_msg2(char *cmdbuf)
1519 int headers_only = HEADERS_ALL;
1521 msgid = extract_long(cmdbuf, 0);
1522 headers_only = extract_int(cmdbuf, 1);
1524 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1530 * display a message (mode 3 - IGnet raw format - internal programs only)
1532 void cmd_msg3(char *cmdbuf)
1535 struct CtdlMessage *msg;
1538 if (CC->internal_pgm == 0) {
1539 cprintf("%d This command is for internal programs only.\n",
1540 ERROR + HIGHER_ACCESS_REQUIRED);
1544 msgnum = extract_long(cmdbuf, 0);
1545 msg = CtdlFetchMessage(msgnum, 1);
1547 cprintf("%d Message %ld not found.\n",
1548 ERROR + MESSAGE_NOT_FOUND, msgnum);
1552 serialize_message(&smr, msg);
1553 CtdlFreeMessage(msg);
1556 cprintf("%d Unable to serialize message\n",
1557 ERROR + INTERNAL_ERROR);
1561 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1562 client_write(smr.ser, smr.len);
1569 * Display a message using MIME content types
1571 void cmd_msg4(char *cmdbuf)
1575 msgid = extract_long(cmdbuf, 0);
1576 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1582 * Client tells us its preferred message format(s)
1584 void cmd_msgp(char *cmdbuf)
1586 safestrncpy(CC->preferred_formats, cmdbuf,
1587 sizeof(CC->preferred_formats));
1588 cprintf("%d ok\n", CIT_OK);
1593 * Open a component of a MIME message as a download file
1595 void cmd_opna(char *cmdbuf)
1599 CtdlAllocUserData(SYM_DESIRED_SECTION, SIZ);
1601 msgid = extract_long(cmdbuf, 0);
1602 extract(desired_section, cmdbuf, 1);
1604 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1609 * Save a message pointer into a specified room
1610 * (Returns 0 for success, nonzero for failure)
1611 * roomname may be NULL to use the current room
1613 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1615 char hold_rm[ROOMNAMELEN];
1616 struct cdbdata *cdbfr;
1619 long highest_msg = 0L;
1620 struct CtdlMessage *msg = NULL;
1622 lprintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1623 roomname, msgid, flags);
1625 strcpy(hold_rm, CC->room.QRname);
1627 /* We may need to check to see if this message is real */
1628 if ( (flags & SM_VERIFY_GOODNESS)
1629 || (flags & SM_DO_REPL_CHECK)
1631 msg = CtdlFetchMessage(msgid, 1);
1632 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1635 /* Perform replication checks if necessary */
1636 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1638 if (getroom(&CC->room,
1639 ((roomname != NULL) ? roomname : CC->room.QRname) )
1641 lprintf(CTDL_ERR, "No such room <%s>\n", roomname);
1642 if (msg != NULL) CtdlFreeMessage(msg);
1643 return(ERROR + ROOM_NOT_FOUND);
1646 if (ReplicationChecks(msg) != 0) {
1647 getroom(&CC->room, hold_rm);
1648 if (msg != NULL) CtdlFreeMessage(msg);
1649 lprintf(CTDL_DEBUG, "Did replication, and newer exists\n");
1654 /* Now the regular stuff */
1655 if (lgetroom(&CC->room,
1656 ((roomname != NULL) ? roomname : CC->room.QRname) )
1658 lprintf(CTDL_ERR, "No such room <%s>\n", roomname);
1659 if (msg != NULL) CtdlFreeMessage(msg);
1660 return(ERROR + ROOM_NOT_FOUND);
1663 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
1664 if (cdbfr == NULL) {
1668 msglist = malloc(cdbfr->len);
1669 if (msglist == NULL)
1670 lprintf(CTDL_ALERT, "ERROR malloc msglist!\n");
1671 num_msgs = cdbfr->len / sizeof(long);
1672 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1677 /* Make sure the message doesn't already exist in this room. It
1678 * is absolutely taboo to have more than one reference to the same
1679 * message in a room.
1681 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1682 if (msglist[i] == msgid) {
1683 lputroom(&CC->room); /* unlock the room */
1684 getroom(&CC->room, hold_rm);
1685 if (msg != NULL) CtdlFreeMessage(msg);
1687 return(ERROR + ALREADY_EXISTS);
1691 /* Now add the new message */
1693 msglist = realloc(msglist,
1694 (num_msgs * sizeof(long)));
1696 if (msglist == NULL) {
1697 lprintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
1699 msglist[num_msgs - 1] = msgid;
1701 /* Sort the message list, so all the msgid's are in order */
1702 num_msgs = sort_msglist(msglist, num_msgs);
1704 /* Determine the highest message number */
1705 highest_msg = msglist[num_msgs - 1];
1707 /* Write it back to disk. */
1708 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long),
1709 msglist, num_msgs * sizeof(long));
1711 /* Free up the memory we used. */
1714 /* Update the highest-message pointer and unlock the room. */
1715 CC->room.QRhighest = highest_msg;
1716 lputroom(&CC->room);
1717 getroom(&CC->room, hold_rm);
1719 /* Bump the reference count for this message. */
1720 if ((flags & SM_DONT_BUMP_REF)==0) {
1721 AdjRefCount(msgid, +1);
1724 /* Return success. */
1725 if (msg != NULL) CtdlFreeMessage(msg);
1732 * Message base operation to send a message to the master file
1733 * (returns new message number)
1735 * This is the back end for CtdlSubmitMsg() and should not be directly
1736 * called by server-side modules.
1739 long send_message(struct CtdlMessage *msg) {
1747 /* Get a new message number */
1748 newmsgid = get_new_message_number();
1749 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1751 /* Generate an ID if we don't have one already */
1752 if (msg->cm_fields['I']==NULL) {
1753 msg->cm_fields['I'] = strdup(msgidbuf);
1756 /* If the message is big, set its body aside for storage elsewhere */
1757 if (msg->cm_fields['M'] != NULL) {
1758 if (strlen(msg->cm_fields['M']) > BIGMSG) {
1760 holdM = msg->cm_fields['M'];
1761 msg->cm_fields['M'] = NULL;
1765 /* Serialize our data structure for storage in the database */
1766 serialize_message(&smr, msg);
1769 msg->cm_fields['M'] = holdM;
1773 cprintf("%d Unable to serialize message\n",
1774 ERROR + INTERNAL_ERROR);
1778 /* Write our little bundle of joy into the message base */
1779 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1780 smr.ser, smr.len) < 0) {
1781 lprintf(CTDL_ERR, "Can't store message\n");
1785 cdb_store(CDB_BIGMSGS,
1795 /* Free the memory we used for the serialized message */
1798 /* Return the *local* message ID to the caller
1799 * (even if we're storing an incoming network message)
1807 * Serialize a struct CtdlMessage into the format used on disk and network.
1809 * This function loads up a "struct ser_ret" (defined in server.h) which
1810 * contains the length of the serialized message and a pointer to the
1811 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1813 void serialize_message(struct ser_ret *ret, /* return values */
1814 struct CtdlMessage *msg) /* unserialized msg */
1818 static char *forder = FORDER;
1820 if (is_valid_message(msg) == 0) return; /* self check */
1823 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1824 ret->len = ret->len +
1825 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1827 lprintf(CTDL_DEBUG, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1828 ret->ser = malloc(ret->len);
1829 if (ret->ser == NULL) {
1835 ret->ser[1] = msg->cm_anon_type;
1836 ret->ser[2] = msg->cm_format_type;
1839 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1840 ret->ser[wlen++] = (char)forder[i];
1841 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1842 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1844 if (ret->len != wlen) lprintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
1845 (long)ret->len, (long)wlen);
1853 * Back end for the ReplicationChecks() function
1855 void check_repl(long msgnum, void *userdata) {
1856 struct CtdlMessage *msg;
1857 time_t timestamp = (-1L);
1859 lprintf(CTDL_DEBUG, "check_repl() found message %ld\n", msgnum);
1860 msg = CtdlFetchMessage(msgnum, 1);
1861 if (msg == NULL) return;
1862 if (msg->cm_fields['T'] != NULL) {
1863 timestamp = atol(msg->cm_fields['T']);
1865 CtdlFreeMessage(msg);
1867 if (timestamp > msg_repl->highest) {
1868 msg_repl->highest = timestamp; /* newer! */
1869 lprintf(CTDL_DEBUG, "newer!\n");
1872 lprintf(CTDL_DEBUG, "older!\n");
1874 /* Existing isn't newer? Then delete the old one(s). */
1875 CtdlDeleteMessages(CC->room.QRname, msgnum, "");
1880 * Check to see if any messages already exist which carry the same Extended ID
1884 * -> With older timestamps: delete them and return 0. Message will be saved.
1885 * -> With newer timestamps: return 1. Message save will be aborted.
1887 int ReplicationChecks(struct CtdlMessage *msg) {
1888 struct CtdlMessage *template;
1891 lprintf(CTDL_DEBUG, "ReplicationChecks() started\n");
1892 /* No extended id? Don't do anything. */
1893 if (msg->cm_fields['E'] == NULL) return 0;
1894 if (strlen(msg->cm_fields['E']) == 0) return 0;
1895 lprintf(CTDL_DEBUG, "Extended ID: <%s>\n", msg->cm_fields['E']);
1897 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1898 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1899 msg_repl->highest = atol(msg->cm_fields['T']);
1901 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1902 memset(template, 0, sizeof(struct CtdlMessage));
1903 template->cm_fields['E'] = strdup(msg->cm_fields['E']);
1905 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl, NULL);
1907 /* If a newer message exists with the same Extended ID, abort
1910 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1914 CtdlFreeMessage(template);
1915 lprintf(CTDL_DEBUG, "ReplicationChecks() returning %d\n", abort_this);
1923 * Save a message to disk and submit it into the delivery system.
1925 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1926 struct recptypes *recps, /* recipients (if mail) */
1927 char *force /* force a particular room? */
1930 char hold_rm[ROOMNAMELEN];
1931 char actual_rm[ROOMNAMELEN];
1932 char force_room[ROOMNAMELEN];
1933 char content_type[SIZ]; /* We have to learn this */
1934 char recipient[SIZ];
1937 struct ctdluser userbuf;
1939 struct MetaData smi;
1940 FILE *network_fp = NULL;
1941 static int seqnum = 1;
1942 struct CtdlMessage *imsg = NULL;
1945 char *hold_R, *hold_D;
1947 lprintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
1948 if (is_valid_message(msg) == 0) return(-1); /* self check */
1950 /* If this message has no timestamp, we take the liberty of
1951 * giving it one, right now.
1953 if (msg->cm_fields['T'] == NULL) {
1954 lprintf(CTDL_DEBUG, "Generating timestamp\n");
1955 snprintf(aaa, sizeof aaa, "%ld", (long)time(NULL));
1956 msg->cm_fields['T'] = strdup(aaa);
1959 /* If this message has no path, we generate one.
1961 if (msg->cm_fields['P'] == NULL) {
1962 lprintf(CTDL_DEBUG, "Generating path\n");
1963 if (msg->cm_fields['A'] != NULL) {
1964 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
1965 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1966 if (isspace(msg->cm_fields['P'][a])) {
1967 msg->cm_fields['P'][a] = ' ';
1972 msg->cm_fields['P'] = strdup("unknown");
1976 if (force == NULL) {
1977 strcpy(force_room, "");
1980 strcpy(force_room, force);
1983 /* Learn about what's inside, because it's what's inside that counts */
1984 lprintf(CTDL_DEBUG, "Learning what's inside\n");
1985 if (msg->cm_fields['M'] == NULL) {
1986 lprintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
1990 switch (msg->cm_format_type) {
1992 strcpy(content_type, "text/x-citadel-variformat");
1995 strcpy(content_type, "text/plain");
1998 strcpy(content_type, "text/plain");
1999 /* advance past header fields */
2000 mptr = msg->cm_fields['M'];
2003 if (!strncasecmp(mptr, "Content-type: ", 14)) {
2004 safestrncpy(content_type, mptr,
2005 sizeof(content_type));
2006 strcpy(content_type, &content_type[14]);
2007 for (a = 0; a < strlen(content_type); ++a)
2008 if ((content_type[a] == ';')
2009 || (content_type[a] == ' ')
2010 || (content_type[a] == 13)
2011 || (content_type[a] == 10))
2012 content_type[a] = 0;
2019 /* Goto the correct room */
2020 lprintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CC->room.QRname : SENTITEMS);
2021 strcpy(hold_rm, CC->room.QRname);
2022 strcpy(actual_rm, CC->room.QRname);
2023 if (recps != NULL) {
2024 strcpy(actual_rm, SENTITEMS);
2027 /* If the user is a twit, move to the twit room for posting */
2028 lprintf(CTDL_DEBUG, "Handling twit stuff: %s\n",
2029 (CC->user.axlevel == 2) ? config.c_twitroom : "OK");
2031 if (CC->user.axlevel == 2) {
2032 strcpy(hold_rm, actual_rm);
2033 strcpy(actual_rm, config.c_twitroom);
2037 /* ...or if this message is destined for Aide> then go there. */
2038 if (strlen(force_room) > 0) {
2039 strcpy(actual_rm, force_room);
2042 lprintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2043 if (strcasecmp(actual_rm, CC->room.QRname)) {
2044 getroom(&CC->room, actual_rm);
2048 * If this message has no O (room) field, generate one.
2050 if (msg->cm_fields['O'] == NULL) {
2051 msg->cm_fields['O'] = strdup(CC->room.QRname);
2054 /* Perform "before save" hooks (aborting if any return nonzero) */
2055 lprintf(CTDL_DEBUG, "Performing before-save hooks\n");
2056 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
2058 /* If this message has an Extended ID, perform replication checks */
2059 lprintf(CTDL_DEBUG, "Performing replication checks\n");
2060 if (ReplicationChecks(msg) > 0) return(-1);
2062 /* Save it to disk */
2063 lprintf(CTDL_DEBUG, "Saving to disk\n");
2064 newmsgid = send_message(msg);
2065 if (newmsgid <= 0L) return(-1);
2067 /* Write a supplemental message info record. This doesn't have to
2068 * be a critical section because nobody else knows about this message
2071 lprintf(CTDL_DEBUG, "Creating MetaData record\n");
2072 memset(&smi, 0, sizeof(struct MetaData));
2073 smi.meta_msgnum = newmsgid;
2074 smi.meta_refcount = 0;
2075 safestrncpy(smi.meta_content_type, content_type, 64);
2078 /* Now figure out where to store the pointers */
2079 lprintf(CTDL_DEBUG, "Storing pointers\n");
2081 /* If this is being done by the networker delivering a private
2082 * message, we want to BYPASS saving the sender's copy (because there
2083 * is no local sender; it would otherwise go to the Trashcan).
2085 if ((!CC->internal_pgm) || (recps == NULL)) {
2086 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
2087 lprintf(CTDL_ERR, "ERROR saving message pointer!\n");
2088 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2092 /* For internet mail, drop a copy in the outbound queue room */
2094 if (recps->num_internet > 0) {
2095 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
2098 /* If other rooms are specified, drop them there too. */
2100 if (recps->num_room > 0)
2101 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2102 extract(recipient, recps->recp_room, i);
2103 lprintf(CTDL_DEBUG, "Delivering to local room <%s>\n", recipient);
2104 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
2107 /* Bump this user's messages posted counter. */
2108 lprintf(CTDL_DEBUG, "Updating user\n");
2109 lgetuser(&CC->user, CC->curr_user);
2110 CC->user.posted = CC->user.posted + 1;
2111 lputuser(&CC->user);
2113 /* If this is private, local mail, make a copy in the
2114 * recipient's mailbox and bump the reference count.
2117 if (recps->num_local > 0)
2118 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2119 extract(recipient, recps->recp_local, i);
2120 lprintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2122 if (getuser(&userbuf, recipient) == 0) {
2123 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2124 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
2125 BumpNewMailCounter(userbuf.usernum);
2128 lprintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2129 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2133 /* Perform "after save" hooks */
2134 lprintf(CTDL_DEBUG, "Performing after-save hooks\n");
2135 PerformMessageHooks(msg, EVT_AFTERSAVE);
2137 /* For IGnet mail, we have to save a new copy into the spooler for
2138 * each recipient, with the R and D fields set to the recipient and
2139 * destination-node. This has two ugly side effects: all other
2140 * recipients end up being unlisted in this recipient's copy of the
2141 * message, and it has to deliver multiple messages to the same
2142 * node. We'll revisit this again in a year or so when everyone has
2143 * a network spool receiver that can handle the new style messages.
2146 if (recps->num_ignet > 0)
2147 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2148 extract(recipient, recps->recp_ignet, i);
2150 hold_R = msg->cm_fields['R'];
2151 hold_D = msg->cm_fields['D'];
2152 msg->cm_fields['R'] = malloc(SIZ);
2153 msg->cm_fields['D'] = malloc(SIZ);
2154 extract_token(msg->cm_fields['R'], recipient, 0, '@');
2155 extract_token(msg->cm_fields['D'], recipient, 1, '@');
2157 serialize_message(&smr, msg);
2159 snprintf(aaa, sizeof aaa,
2160 "./network/spoolin/netmail.%04lx.%04x.%04x",
2161 (long) getpid(), CC->cs_pid, ++seqnum);
2162 network_fp = fopen(aaa, "wb+");
2163 if (network_fp != NULL) {
2164 fwrite(smr.ser, smr.len, 1, network_fp);
2170 free(msg->cm_fields['R']);
2171 free(msg->cm_fields['D']);
2172 msg->cm_fields['R'] = hold_R;
2173 msg->cm_fields['D'] = hold_D;
2176 /* Go back to the room we started from */
2177 lprintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2178 if (strcasecmp(hold_rm, CC->room.QRname))
2179 getroom(&CC->room, hold_rm);
2181 /* For internet mail, generate delivery instructions.
2182 * Yes, this is recursive. Deal with it. Infinite recursion does
2183 * not happen because the delivery instructions message does not
2184 * contain a recipient.
2187 if (recps->num_internet > 0) {
2188 lprintf(CTDL_DEBUG, "Generating delivery instructions\n");
2189 instr = malloc(SIZ * 2);
2190 snprintf(instr, SIZ * 2,
2191 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2193 SPOOLMIME, newmsgid, (long)time(NULL),
2194 msg->cm_fields['A'], msg->cm_fields['N']
2197 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2198 size_t tmp = strlen(instr);
2199 extract(recipient, recps->recp_internet, i);
2200 snprintf(&instr[tmp], SIZ * 2 - tmp,
2201 "remote|%s|0||\n", recipient);
2204 imsg = malloc(sizeof(struct CtdlMessage));
2205 memset(imsg, 0, sizeof(struct CtdlMessage));
2206 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2207 imsg->cm_anon_type = MES_NORMAL;
2208 imsg->cm_format_type = FMT_RFC822;
2209 imsg->cm_fields['A'] = strdup("Citadel");
2210 imsg->cm_fields['M'] = instr;
2211 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2212 CtdlFreeMessage(imsg);
2221 * Convenience function for generating small administrative messages.
2223 void quickie_message(char *from, char *to, char *room, char *text,
2224 int format_type, char *subject)
2226 struct CtdlMessage *msg;
2227 struct recptypes *recp = NULL;
2229 msg = malloc(sizeof(struct CtdlMessage));
2230 memset(msg, 0, sizeof(struct CtdlMessage));
2231 msg->cm_magic = CTDLMESSAGE_MAGIC;
2232 msg->cm_anon_type = MES_NORMAL;
2233 msg->cm_format_type = format_type;
2234 msg->cm_fields['A'] = strdup(from);
2235 if (room != NULL) msg->cm_fields['O'] = strdup(room);
2236 msg->cm_fields['N'] = strdup(NODENAME);
2238 msg->cm_fields['R'] = strdup(to);
2239 recp = validate_recipients(to);
2241 if (subject != NULL) {
2242 msg->cm_fields['U'] = strdup(subject);
2244 msg->cm_fields['M'] = strdup(text);
2246 CtdlSubmitMsg(msg, recp, room);
2247 CtdlFreeMessage(msg);
2248 if (recp != NULL) free(recp);
2254 * Back end function used by CtdlMakeMessage() and similar functions
2256 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2257 size_t maxlen, /* maximum message length */
2258 char *exist, /* if non-null, append to it;
2259 exist is ALWAYS freed */
2260 int crlf /* CRLF newlines instead of LF */
2264 size_t message_len = 0;
2265 size_t buffer_len = 0;
2271 if (exist == NULL) {
2278 message_len = strlen(exist);
2279 buffer_len = message_len + 4096;
2280 m = realloc(exist, buffer_len);
2287 /* flush the input if we have nowhere to store it */
2292 /* read in the lines of message text one by one */
2294 if (client_gets(buf) < 1) finished = 1;
2295 if (!strcmp(buf, terminator)) finished = 1;
2297 strcat(buf, "\r\n");
2303 if ( (!flushing) && (!finished) ) {
2304 /* Measure the line */
2305 linelen = strlen(buf);
2307 /* augment the buffer if we have to */
2308 if ((message_len + linelen) >= buffer_len) {
2309 ptr = realloc(m, (buffer_len * 2) );
2310 if (ptr == NULL) { /* flush if can't allocate */
2313 buffer_len = (buffer_len * 2);
2315 lprintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
2319 /* Add the new line to the buffer. NOTE: this loop must avoid
2320 * using functions like strcat() and strlen() because they
2321 * traverse the entire buffer upon every call, and doing that
2322 * for a multi-megabyte message slows it down beyond usability.
2324 strcpy(&m[message_len], buf);
2325 message_len += linelen;
2328 /* if we've hit the max msg length, flush the rest */
2329 if (message_len >= maxlen) flushing = 1;
2331 } while (!finished);
2339 * Build a binary message to be saved on disk.
2340 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2341 * will become part of the message. This means you are no longer
2342 * responsible for managing that memory -- it will be freed along with
2343 * the rest of the fields when CtdlFreeMessage() is called.)
2346 struct CtdlMessage *CtdlMakeMessage(
2347 struct ctdluser *author, /* author's user structure */
2348 char *recipient, /* NULL if it's not mail */
2349 char *room, /* room where it's going */
2350 int type, /* see MES_ types in header file */
2351 int format_type, /* variformat, plain text, MIME... */
2352 char *fake_name, /* who we're masquerading as */
2353 char *subject, /* Subject (optional) */
2354 char *preformatted_text /* ...or NULL to read text from client */
2356 char dest_node[SIZ];
2358 struct CtdlMessage *msg;
2360 msg = malloc(sizeof(struct CtdlMessage));
2361 memset(msg, 0, sizeof(struct CtdlMessage));
2362 msg->cm_magic = CTDLMESSAGE_MAGIC;
2363 msg->cm_anon_type = type;
2364 msg->cm_format_type = format_type;
2366 /* Don't confuse the poor folks if it's not routed mail. */
2367 strcpy(dest_node, "");
2371 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2372 msg->cm_fields['P'] = strdup(buf);
2374 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2375 msg->cm_fields['T'] = strdup(buf);
2377 if (fake_name[0]) /* author */
2378 msg->cm_fields['A'] = strdup(fake_name);
2380 msg->cm_fields['A'] = strdup(author->fullname);
2382 if (CC->room.QRflags & QR_MAILBOX) { /* room */
2383 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
2386 msg->cm_fields['O'] = strdup(CC->room.QRname);
2389 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
2390 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
2392 if (recipient[0] != 0) {
2393 msg->cm_fields['R'] = strdup(recipient);
2395 if (dest_node[0] != 0) {
2396 msg->cm_fields['D'] = strdup(dest_node);
2399 if ( (author == &CC->user) && (strlen(CC->cs_inet_email) > 0) ) {
2400 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
2403 if (subject != NULL) {
2405 if (strlen(subject) > 0) {
2406 msg->cm_fields['U'] = strdup(subject);
2410 if (preformatted_text != NULL) {
2411 msg->cm_fields['M'] = preformatted_text;
2414 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2415 config.c_maxmsglen, NULL, 0);
2423 * Check to see whether we have permission to post a message in the current
2424 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2425 * returns 0 on success.
2427 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2429 if (!(CC->logged_in)) {
2430 snprintf(errmsgbuf, n, "Not logged in.");
2431 return (ERROR + NOT_LOGGED_IN);
2434 if ((CC->user.axlevel < 2)
2435 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
2436 snprintf(errmsgbuf, n, "Need to be validated to enter "
2437 "(except in %s> to sysop)", MAILROOM);
2438 return (ERROR + HIGHER_ACCESS_REQUIRED);
2441 if ((CC->user.axlevel < 4)
2442 && (CC->room.QRflags & QR_NETWORK)) {
2443 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2444 return (ERROR + HIGHER_ACCESS_REQUIRED);
2447 if ((CC->user.axlevel < 6)
2448 && (CC->room.QRflags & QR_READONLY)) {
2449 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2450 return (ERROR + HIGHER_ACCESS_REQUIRED);
2453 strcpy(errmsgbuf, "Ok");
2459 * Check to see if the specified user has Internet mail permission
2460 * (returns nonzero if permission is granted)
2462 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
2464 /* Do not allow twits to send Internet mail */
2465 if (who->axlevel <= 2) return(0);
2467 /* Globally enabled? */
2468 if (config.c_restrict == 0) return(1);
2470 /* User flagged ok? */
2471 if (who->flags & US_INTERNET) return(2);
2473 /* Aide level access? */
2474 if (who->axlevel >= 6) return(3);
2476 /* No mail for you! */
2483 * Validate recipients, count delivery types and errors, and handle aliasing
2484 * FIXME check for dupes!!!!!
2486 struct recptypes *validate_recipients(char *recipients) {
2487 struct recptypes *ret;
2488 char this_recp[SIZ];
2489 char this_recp_cooked[SIZ];
2495 struct ctdluser tempUS;
2496 struct ctdlroom tempQR;
2499 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2500 if (ret == NULL) return(NULL);
2501 memset(ret, 0, sizeof(struct recptypes));
2504 ret->num_internet = 0;
2509 if (recipients == NULL) {
2512 else if (strlen(recipients) == 0) {
2516 /* Change all valid separator characters to commas */
2517 for (i=0; i<strlen(recipients); ++i) {
2518 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2519 recipients[i] = ',';
2524 num_recps = num_tokens(recipients, ',');
2527 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2528 extract_token(this_recp, recipients, i, ',');
2530 lprintf(CTDL_DEBUG, "Evaluating recipient #%d <%s>\n", i, this_recp);
2531 mailtype = alias(this_recp);
2532 mailtype = alias(this_recp);
2533 mailtype = alias(this_recp);
2534 for (j=0; j<=strlen(this_recp); ++j) {
2535 if (this_recp[j]=='_') {
2536 this_recp_cooked[j] = ' ';
2539 this_recp_cooked[j] = this_recp[j];
2545 if (!strcasecmp(this_recp, "sysop")) {
2547 strcpy(this_recp, config.c_aideroom);
2548 if (strlen(ret->recp_room) > 0) {
2549 strcat(ret->recp_room, "|");
2551 strcat(ret->recp_room, this_recp);
2553 else if (getuser(&tempUS, this_recp) == 0) {
2555 strcpy(this_recp, tempUS.fullname);
2556 if (strlen(ret->recp_local) > 0) {
2557 strcat(ret->recp_local, "|");
2559 strcat(ret->recp_local, this_recp);
2561 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2563 strcpy(this_recp, tempUS.fullname);
2564 if (strlen(ret->recp_local) > 0) {
2565 strcat(ret->recp_local, "|");
2567 strcat(ret->recp_local, this_recp);
2569 else if ( (!strncasecmp(this_recp, "room_", 5))
2570 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2572 if (strlen(ret->recp_room) > 0) {
2573 strcat(ret->recp_room, "|");
2575 strcat(ret->recp_room, &this_recp_cooked[5]);
2583 /* Yes, you're reading this correctly: if the target
2584 * domain points back to the local system or an attached
2585 * Citadel directory, the address is invalid. That's
2586 * because if the address were valid, we would have
2587 * already translated it to a local address by now.
2589 if (IsDirectory(this_recp)) {
2594 ++ret->num_internet;
2595 if (strlen(ret->recp_internet) > 0) {
2596 strcat(ret->recp_internet, "|");
2598 strcat(ret->recp_internet, this_recp);
2603 if (strlen(ret->recp_ignet) > 0) {
2604 strcat(ret->recp_ignet, "|");
2606 strcat(ret->recp_ignet, this_recp);
2614 if (strlen(ret->errormsg) == 0) {
2615 snprintf(append, sizeof append,
2616 "Invalid recipient: %s",
2620 snprintf(append, sizeof append,
2623 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2624 strcat(ret->errormsg, append);
2628 if (strlen(ret->display_recp) == 0) {
2629 strcpy(append, this_recp);
2632 snprintf(append, sizeof append, ", %s",
2635 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2636 strcat(ret->display_recp, append);
2641 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2642 ret->num_room + ret->num_error) == 0) {
2644 strcpy(ret->errormsg, "No recipients specified.");
2647 lprintf(CTDL_DEBUG, "validate_recipients()\n");
2648 lprintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2649 lprintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2650 lprintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2651 lprintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2652 lprintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2660 * message entry - mode 0 (normal)
2662 void cmd_ent0(char *entargs)
2666 char masquerade_as[SIZ];
2668 int format_type = 0;
2669 char newusername[SIZ];
2670 struct CtdlMessage *msg;
2674 struct recptypes *valid = NULL;
2679 post = extract_int(entargs, 0);
2680 extract(recp, entargs, 1);
2681 anon_flag = extract_int(entargs, 2);
2682 format_type = extract_int(entargs, 3);
2683 extract(subject, entargs, 4);
2685 /* first check to make sure the request is valid. */
2687 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2689 cprintf("%d %s\n", err, errmsg);
2693 /* Check some other permission type things. */
2696 if (CC->user.axlevel < 6) {
2697 cprintf("%d You don't have permission to masquerade.\n",
2698 ERROR + HIGHER_ACCESS_REQUIRED);
2701 extract(newusername, entargs, 5);
2702 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2703 safestrncpy(CC->fake_postname, newusername,
2704 sizeof(CC->fake_postname) );
2705 cprintf("%d ok\n", CIT_OK);
2708 CC->cs_flags |= CS_POSTING;
2710 /* In the Mail> room we have to behave a little differently --
2711 * make sure the user has specified at least one recipient. Then
2712 * validate the recipient(s).
2714 if ( (CC->room.QRflags & QR_MAILBOX)
2715 && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) ) {
2717 if (CC->user.axlevel < 2) {
2718 strcpy(recp, "sysop");
2721 valid = validate_recipients(recp);
2722 if (valid->num_error > 0) {
2724 ERROR + NO_SUCH_USER, valid->errormsg);
2728 if (valid->num_internet > 0) {
2729 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
2730 cprintf("%d You do not have permission "
2731 "to send Internet mail.\n",
2732 ERROR + HIGHER_ACCESS_REQUIRED);
2738 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2739 && (CC->user.axlevel < 4) ) {
2740 cprintf("%d Higher access required for network mail.\n",
2741 ERROR + HIGHER_ACCESS_REQUIRED);
2746 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2747 && ((CC->user.flags & US_INTERNET) == 0)
2748 && (!CC->internal_pgm)) {
2749 cprintf("%d You don't have access to Internet mail.\n",
2750 ERROR + HIGHER_ACCESS_REQUIRED);
2757 /* Is this a room which has anonymous-only or anonymous-option? */
2758 anonymous = MES_NORMAL;
2759 if (CC->room.QRflags & QR_ANONONLY) {
2760 anonymous = MES_ANONONLY;
2762 if (CC->room.QRflags & QR_ANONOPT) {
2763 if (anon_flag == 1) { /* only if the user requested it */
2764 anonymous = MES_ANONOPT;
2768 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
2772 /* If we're only checking the validity of the request, return
2773 * success without creating the message.
2776 cprintf("%d %s\n", CIT_OK,
2777 ((valid != NULL) ? valid->display_recp : "") );
2782 /* Handle author masquerading */
2783 if (CC->fake_postname[0]) {
2784 strcpy(masquerade_as, CC->fake_postname);
2786 else if (CC->fake_username[0]) {
2787 strcpy(masquerade_as, CC->fake_username);
2790 strcpy(masquerade_as, "");
2793 /* Read in the message from the client. */
2794 cprintf("%d send message\n", SEND_LISTING);
2795 msg = CtdlMakeMessage(&CC->user, recp,
2796 CC->room.QRname, anonymous, format_type,
2797 masquerade_as, subject, NULL);
2800 CtdlSubmitMsg(msg, valid, "");
2801 CtdlFreeMessage(msg);
2803 CC->fake_postname[0] = '\0';
2811 * API function to delete messages which match a set of criteria
2812 * (returns the actual number of messages deleted)
2814 int CtdlDeleteMessages(char *room_name, /* which room */
2815 long dmsgnum, /* or "0" for any */
2816 char *content_type /* or "" for any */
2820 struct ctdlroom qrbuf;
2821 struct cdbdata *cdbfr;
2822 long *msglist = NULL;
2823 long *dellist = NULL;
2826 int num_deleted = 0;
2828 struct MetaData smi;
2830 lprintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %ld, %s)\n",
2831 room_name, dmsgnum, content_type);
2833 /* get room record, obtaining a lock... */
2834 if (lgetroom(&qrbuf, room_name) != 0) {
2835 lprintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
2837 return (0); /* room not found */
2839 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2841 if (cdbfr != NULL) {
2842 msglist = malloc(cdbfr->len);
2843 dellist = malloc(cdbfr->len);
2844 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2845 num_msgs = cdbfr->len / sizeof(long);
2849 for (i = 0; i < num_msgs; ++i) {
2852 /* Set/clear a bit for each criterion */
2854 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2855 delete_this |= 0x01;
2857 if (strlen(content_type) == 0) {
2858 delete_this |= 0x02;
2860 GetMetaData(&smi, msglist[i]);
2861 if (!strcasecmp(smi.meta_content_type,
2863 delete_this |= 0x02;
2867 /* Delete message only if all bits are set */
2868 if (delete_this == 0x03) {
2869 dellist[num_deleted++] = msglist[i];
2874 num_msgs = sort_msglist(msglist, num_msgs);
2875 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2876 msglist, (num_msgs * sizeof(long)));
2878 qrbuf.QRhighest = msglist[num_msgs - 1];
2882 /* Go through the messages we pulled out of the index, and decrement
2883 * their reference counts by 1. If this is the only room the message
2884 * was in, the reference count will reach zero and the message will
2885 * automatically be deleted from the database. We do this in a
2886 * separate pass because there might be plug-in hooks getting called,
2887 * and we don't want that happening during an S_ROOMS critical
2890 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2891 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2892 AdjRefCount(dellist[i], -1);
2895 /* Now free the memory we used, and go away. */
2896 if (msglist != NULL) free(msglist);
2897 if (dellist != NULL) free(dellist);
2898 lprintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
2899 return (num_deleted);
2905 * Check whether the current user has permission to delete messages from
2906 * the current room (returns 1 for yes, 0 for no)
2908 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2909 getuser(&CC->user, CC->curr_user);
2910 if ((CC->user.axlevel < 6)
2911 && (CC->user.usernum != CC->room.QRroomaide)
2912 && ((CC->room.QRflags & QR_MAILBOX) == 0)
2913 && (!(CC->internal_pgm))) {
2922 * Delete message from current room
2924 void cmd_dele(char *delstr)
2929 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2930 cprintf("%d Higher access required.\n",
2931 ERROR + HIGHER_ACCESS_REQUIRED);
2934 delnum = extract_long(delstr, 0);
2936 num_deleted = CtdlDeleteMessages(CC->room.QRname, delnum, "");
2939 cprintf("%d %d message%s deleted.\n", CIT_OK,
2940 num_deleted, ((num_deleted != 1) ? "s" : ""));
2942 cprintf("%d Message %ld not found.\n", ERROR + MESSAGE_NOT_FOUND, delnum);
2948 * Back end API function for moves and deletes
2950 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2953 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2954 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2955 if (err != 0) return(err);
2963 * move or copy a message to another room
2965 void cmd_move(char *args)
2969 struct ctdlroom qtemp;
2975 num = extract_long(args, 0);
2976 extract(targ, args, 1);
2977 targ[ROOMNAMELEN - 1] = 0;
2978 is_copy = extract_int(args, 2);
2980 if (getroom(&qtemp, targ) != 0) {
2981 cprintf("%d '%s' does not exist.\n",
2982 ERROR + ROOM_NOT_FOUND, targ);
2986 getuser(&CC->user, CC->curr_user);
2987 ra = CtdlRoomAccess(&qtemp, &CC->user);
2989 /* Check for permission to perform this operation.
2990 * Remember: "CC->room" is source, "qtemp" is target.
2994 /* Aides can move/copy */
2995 if (CC->user.axlevel >= 6) permit = 1;
2997 /* Room aides can move/copy */
2998 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
3000 /* Permit move/copy from personal rooms */
3001 if ((CC->room.QRflags & QR_MAILBOX)
3002 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3004 /* Permit only copy from public to personal room */
3006 && (!(CC->room.QRflags & QR_MAILBOX))
3007 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3009 /* User must have access to target room */
3010 if (!(ra & UA_KNOWN)) permit = 0;
3013 cprintf("%d Higher access required.\n",
3014 ERROR + HIGHER_ACCESS_REQUIRED);
3018 err = CtdlCopyMsgToRoom(num, targ);
3020 cprintf("%d Cannot store message in %s: error %d\n",
3025 /* Now delete the message from the source room,
3026 * if this is a 'move' rather than a 'copy' operation.
3029 CtdlDeleteMessages(CC->room.QRname, num, "");
3032 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
3038 * GetMetaData() - Get the supplementary record for a message
3040 void GetMetaData(struct MetaData *smibuf, long msgnum)
3043 struct cdbdata *cdbsmi;
3046 memset(smibuf, 0, sizeof(struct MetaData));
3047 smibuf->meta_msgnum = msgnum;
3048 smibuf->meta_refcount = 1; /* Default reference count is 1 */
3050 /* Use the negative of the message number for its supp record index */
3051 TheIndex = (0L - msgnum);
3053 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
3054 if (cdbsmi == NULL) {
3055 return; /* record not found; go with defaults */
3057 memcpy(smibuf, cdbsmi->ptr,
3058 ((cdbsmi->len > sizeof(struct MetaData)) ?
3059 sizeof(struct MetaData) : cdbsmi->len));
3066 * PutMetaData() - (re)write supplementary record for a message
3068 void PutMetaData(struct MetaData *smibuf)
3072 /* Use the negative of the message number for the metadata db index */
3073 TheIndex = (0L - smibuf->meta_msgnum);
3075 lprintf(CTDL_DEBUG, "PutMetaData(%ld) - ref count is %d\n",
3076 smibuf->meta_msgnum, smibuf->meta_refcount);
3078 cdb_store(CDB_MSGMAIN,
3079 &TheIndex, sizeof(long),
3080 smibuf, sizeof(struct MetaData));
3085 * AdjRefCount - change the reference count for a message;
3086 * delete the message if it reaches zero
3088 void AdjRefCount(long msgnum, int incr)
3091 struct MetaData smi;
3094 /* This is a *tight* critical section; please keep it that way, as
3095 * it may get called while nested in other critical sections.
3096 * Complicating this any further will surely cause deadlock!
3098 begin_critical_section(S_SUPPMSGMAIN);
3099 GetMetaData(&smi, msgnum);
3100 lprintf(CTDL_DEBUG, "Ref count for message <%ld> before write is <%d>\n",
3101 msgnum, smi.meta_refcount);
3102 smi.meta_refcount += incr;
3104 end_critical_section(S_SUPPMSGMAIN);
3105 lprintf(CTDL_DEBUG, "Ref count for message <%ld> after write is <%d>\n",
3106 msgnum, smi.meta_refcount);
3108 /* If the reference count is now zero, delete the message
3109 * (and its supplementary record as well).
3111 if (smi.meta_refcount == 0) {
3112 lprintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
3114 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
3115 cdb_delete(CDB_BIGMSGS, &delnum, sizeof(long));
3117 /* We have to delete the metadata record too! */
3118 delnum = (0L - msgnum);
3119 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
3124 * Write a generic object to this room
3126 * Note: this could be much more efficient. Right now we use two temporary
3127 * files, and still pull the message into memory as with all others.
3129 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3130 char *content_type, /* MIME type of this object */
3131 char *tempfilename, /* Where to fetch it from */
3132 struct ctdluser *is_mailbox, /* Mailbox room? */
3133 int is_binary, /* Is encoding necessary? */
3134 int is_unique, /* Del others of this type? */
3135 unsigned int flags /* Internal save flags */
3140 struct ctdlroom qrbuf;
3141 char roomname[ROOMNAMELEN];
3142 struct CtdlMessage *msg;
3144 char *raw_message = NULL;
3145 char *encoded_message = NULL;
3146 off_t raw_length = 0;
3148 if (is_mailbox != NULL)
3149 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
3151 safestrncpy(roomname, req_room, sizeof(roomname));
3152 lprintf(CTDL_DEBUG, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
3155 fp = fopen(tempfilename, "rb");
3157 lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
3158 tempfilename, strerror(errno));
3161 fseek(fp, 0L, SEEK_END);
3162 raw_length = ftell(fp);
3164 lprintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
3166 raw_message = malloc((size_t)raw_length + 2);
3167 fread(raw_message, (size_t)raw_length, 1, fp);
3171 encoded_message = malloc((size_t)
3172 (((raw_length * 134) / 100) + 4096 ) );
3175 encoded_message = malloc((size_t)(raw_length + 4096));
3178 sprintf(encoded_message, "Content-type: %s\n", content_type);
3181 sprintf(&encoded_message[strlen(encoded_message)],
3182 "Content-transfer-encoding: base64\n\n"
3186 sprintf(&encoded_message[strlen(encoded_message)],
3187 "Content-transfer-encoding: 7bit\n\n"
3193 &encoded_message[strlen(encoded_message)],
3199 raw_message[raw_length] = 0;
3201 &encoded_message[strlen(encoded_message)],
3209 lprintf(CTDL_DEBUG, "Allocating\n");
3210 msg = malloc(sizeof(struct CtdlMessage));
3211 memset(msg, 0, sizeof(struct CtdlMessage));
3212 msg->cm_magic = CTDLMESSAGE_MAGIC;
3213 msg->cm_anon_type = MES_NORMAL;
3214 msg->cm_format_type = 4;
3215 msg->cm_fields['A'] = strdup(CC->user.fullname);
3216 msg->cm_fields['O'] = strdup(req_room);
3217 msg->cm_fields['N'] = strdup(config.c_nodename);
3218 msg->cm_fields['H'] = strdup(config.c_humannode);
3219 msg->cm_flags = flags;
3221 msg->cm_fields['M'] = encoded_message;
3223 /* Create the requested room if we have to. */
3224 if (getroom(&qrbuf, roomname) != 0) {
3225 create_room(roomname,
3226 ( (is_mailbox != NULL) ? 5 : 3 ),
3229 /* If the caller specified this object as unique, delete all
3230 * other objects of this type that are currently in the room.
3233 lprintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
3234 CtdlDeleteMessages(roomname, 0L, content_type));
3236 /* Now write the data */
3237 CtdlSubmitMsg(msg, NULL, roomname);
3238 CtdlFreeMessage(msg);
3246 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
3247 config_msgnum = msgnum;
3251 char *CtdlGetSysConfig(char *sysconfname) {
3252 char hold_rm[ROOMNAMELEN];
3255 struct CtdlMessage *msg;
3258 strcpy(hold_rm, CC->room.QRname);
3259 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
3260 getroom(&CC->room, hold_rm);
3265 /* We want the last (and probably only) config in this room */
3266 begin_critical_section(S_CONFIG);
3267 config_msgnum = (-1L);
3268 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
3269 CtdlGetSysConfigBackend, NULL);
3270 msgnum = config_msgnum;
3271 end_critical_section(S_CONFIG);
3277 msg = CtdlFetchMessage(msgnum, 1);
3279 conf = strdup(msg->cm_fields['M']);
3280 CtdlFreeMessage(msg);
3287 getroom(&CC->room, hold_rm);
3289 if (conf != NULL) do {
3290 extract_token(buf, conf, 0, '\n');
3291 strcpy(conf, &conf[strlen(buf)+1]);
3292 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
3297 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
3298 char temp[PATH_MAX];
3301 strcpy(temp, tmpnam(NULL));
3303 fp = fopen(temp, "w");
3304 if (fp == NULL) return;
3305 fprintf(fp, "%s", sysconfdata);
3308 /* this handy API function does all the work for us */
3309 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
3315 * Determine whether a given Internet address belongs to the current user
3317 int CtdlIsMe(char *addr) {
3318 struct recptypes *recp;
3321 recp = validate_recipients(addr);
3322 if (recp == NULL) return(0);
3324 if (recp->num_local == 0) {
3329 for (i=0; i<recp->num_local; ++i) {
3330 extract(addr, recp->recp_local, i);
3331 if (!strcasecmp(addr, CC->user.fullname)) {
3343 * Citadel protocol command to do the same
3345 void cmd_isme(char *argbuf) {
3348 if (CtdlAccessCheck(ac_logged_in)) return;
3349 extract(addr, argbuf, 0);
3351 if (CtdlIsMe(addr)) {
3352 cprintf("%d %s\n", CIT_OK, addr);
3355 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);