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"
57 struct addresses_to_be_filed *atbf = NULL;
60 * This really belongs in serv_network.c, but I don't know how to export
61 * symbols between modules.
63 struct FilterList *filterlist = NULL;
67 * These are the four-character field headers we use when outputting
68 * messages in Citadel format (as opposed to RFC822 format).
71 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
72 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
73 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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,
106 * This function is self explanatory.
107 * (What can I say, I'm in a weird mood today...)
109 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
113 for (i = 0; i < strlen(name); ++i) {
114 if (name[i] == '@') {
115 while (isspace(name[i - 1]) && i > 0) {
116 strcpy(&name[i - 1], &name[i]);
119 while (isspace(name[i + 1])) {
120 strcpy(&name[i + 1], &name[i + 2]);
128 * Aliasing for network mail.
129 * (Error messages have been commented out, because this is a server.)
131 int alias(char *name)
132 { /* process alias and routing info for mail */
135 char aaa[SIZ], bbb[SIZ];
136 char *ignetcfg = NULL;
137 char *ignetmap = NULL;
144 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
145 stripallbut(name, '<', '>');
147 fp = fopen(file_mail_aliases, "r");
149 fp = fopen("/dev/null", "r");
156 while (fgets(aaa, sizeof aaa, fp) != NULL) {
157 while (isspace(name[0]))
158 strcpy(name, &name[1]);
159 aaa[strlen(aaa) - 1] = 0;
161 for (a = 0; a < strlen(aaa); ++a) {
163 strcpy(bbb, &aaa[a + 1]);
167 if (!strcasecmp(name, aaa))
172 /* Hit the Global Address Book */
173 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
177 lprintf(CTDL_INFO, "Mail is being forwarded to %s\n", name);
179 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
180 for (a=0; a<strlen(name); ++a) {
181 if (name[a] == '@') {
182 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
184 lprintf(CTDL_INFO, "Changed to <%s>\n", name);
189 /* determine local or remote type, see citadel.h */
190 at = haschar(name, '@');
191 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
192 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
193 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
195 /* figure out the delivery mode */
196 extract_token(node, name, 1, '@', sizeof node);
198 /* If there are one or more dots in the nodename, we assume that it
199 * is an FQDN and will attempt SMTP delivery to the Internet.
201 if (haschar(node, '.') > 0) {
202 return(MES_INTERNET);
205 /* Otherwise we look in the IGnet maps for a valid Citadel node.
206 * Try directly-connected nodes first...
208 ignetcfg = CtdlGetSysConfig(IGNETCFG);
209 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
210 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
211 extract_token(testnode, buf, 0, '|', sizeof testnode);
212 if (!strcasecmp(node, testnode)) {
220 * Then try nodes that are two or more hops away.
222 ignetmap = CtdlGetSysConfig(IGNETMAP);
223 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
224 extract_token(buf, ignetmap, i, '\n', sizeof buf);
225 extract_token(testnode, buf, 0, '|', sizeof testnode);
226 if (!strcasecmp(node, testnode)) {
233 /* If we get to this point it's an invalid node name */
242 fp = fopen(file_citadel_control, "r");
244 lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
245 file_citadel_control,
249 fread((char *) &CitControl, sizeof(struct CitControl), 1, fp);
255 * Back end for the MSGS command: output message number only.
257 void simple_listing(long msgnum, void *userdata)
259 cprintf("%ld\n", msgnum);
265 * Back end for the MSGS command: output header summary.
267 void headers_listing(long msgnum, void *userdata)
269 struct CtdlMessage *msg;
271 msg = CtdlFetchMessage(msgnum, 0);
273 cprintf("%ld|0|||||\n", msgnum);
277 cprintf("%ld|%s|%s|%s|%s|%s|\n",
279 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
280 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
281 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
282 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
283 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
285 CtdlFreeMessage(msg);
290 /* Determine if a given message matches the fields in a message template.
291 * Return 0 for a successful match.
293 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
296 /* If there aren't any fields in the template, all messages will
299 if (template == NULL) return(0);
301 /* Null messages are bogus. */
302 if (msg == NULL) return(1);
304 for (i='A'; i<='Z'; ++i) {
305 if (template->cm_fields[i] != NULL) {
306 if (msg->cm_fields[i] == NULL) {
309 if (strcasecmp(msg->cm_fields[i],
310 template->cm_fields[i])) return 1;
314 /* All compares succeeded: we have a match! */
321 * Retrieve the "seen" message list for the current room.
323 void CtdlGetSeen(char *buf, int which_set) {
326 /* Learn about the user and room in question */
327 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
329 if (which_set == ctdlsetseen_seen)
330 safestrncpy(buf, vbuf.v_seen, SIZ);
331 if (which_set == ctdlsetseen_answered)
332 safestrncpy(buf, vbuf.v_answered, SIZ);
338 * Manipulate the "seen msgs" string (or other message set strings)
340 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
341 int target_setting, int which_set,
342 struct ctdluser *which_user, struct ctdlroom *which_room) {
343 struct cdbdata *cdbfr;
355 char *is_set; /* actually an array of booleans */
358 char setstr[SIZ], lostr[SIZ], histr[SIZ];
361 lprintf(CTDL_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %d, %d)\n",
362 num_target_msgnums, target_msgnums[0],
363 target_setting, which_set);
365 /* Learn about the user and room in question */
366 CtdlGetRelationship(&vbuf,
367 ((which_user != NULL) ? which_user : &CC->user),
368 ((which_room != NULL) ? which_room : &CC->room)
371 /* Load the message list */
372 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
374 msglist = (long *) cdbfr->ptr;
375 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
376 num_msgs = cdbfr->len / sizeof(long);
379 return; /* No messages at all? No further action. */
382 is_set = malloc(num_msgs * sizeof(char));
383 memset(is_set, 0, (num_msgs * sizeof(char)) );
385 /* Decide which message set we're manipulating */
387 case ctdlsetseen_seen:
388 safestrncpy(vset, vbuf.v_seen, sizeof vset);
390 case ctdlsetseen_answered:
391 safestrncpy(vset, vbuf.v_answered, sizeof vset);
395 /* lprintf(CTDL_DEBUG, "before optimize: %s\n", vset); */
397 /* Translate the existing sequence set into an array of booleans */
398 num_sets = num_tokens(vset, ',');
399 for (s=0; s<num_sets; ++s) {
400 extract_token(setstr, vset, s, ',', sizeof setstr);
402 extract_token(lostr, setstr, 0, ':', sizeof lostr);
403 if (num_tokens(setstr, ':') >= 2) {
404 extract_token(histr, setstr, 1, ':', sizeof histr);
405 if (!strcmp(histr, "*")) {
406 snprintf(histr, sizeof histr, "%ld", LONG_MAX);
410 strcpy(histr, lostr);
415 for (i = 0; i < num_msgs; ++i) {
416 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
422 /* Now translate the array of booleans back into a sequence set */
427 for (i=0; i<num_msgs; ++i) {
429 is_seen = is_set[i]; /* Default to existing setting */
431 for (k=0; k<num_target_msgnums; ++k) {
432 if (msglist[i] == target_msgnums[k]) {
433 is_seen = target_setting;
438 if (lo < 0L) lo = msglist[i];
442 if ( ((is_seen == 0) && (was_seen == 1))
443 || ((is_seen == 1) && (i == num_msgs-1)) ) {
445 /* begin trim-o-matic code */
448 while ( (strlen(vset) + 20) > sizeof vset) {
449 remove_token(vset, 0, ',');
451 if (j--) break; /* loop no more than 9 times */
453 if ( (trimming) && (which_set == ctdlsetseen_seen) ) {
457 snprintf(lostr, sizeof lostr,
458 "1:%ld,%s", t, vset);
459 safestrncpy(vset, lostr, sizeof vset);
461 /* end trim-o-matic code */
469 snprintf(&vset[tmp], (sizeof vset) - tmp,
473 snprintf(&vset[tmp], (sizeof vset) - tmp,
482 /* Decide which message set we're manipulating */
484 case ctdlsetseen_seen:
485 safestrncpy(vbuf.v_seen, vset, sizeof vbuf.v_seen);
487 case ctdlsetseen_answered:
488 safestrncpy(vbuf.v_answered, vset,
489 sizeof vbuf.v_answered);
494 /* lprintf(CTDL_DEBUG, " after optimize: %s\n", vset); */
496 CtdlSetRelationship(&vbuf,
497 ((which_user != NULL) ? which_user : &CC->user),
498 ((which_room != NULL) ? which_room : &CC->room)
504 * API function to perform an operation for each qualifying message in the
505 * current room. (Returns the number of messages processed.)
507 int CtdlForEachMessage(int mode, long ref,
509 struct CtdlMessage *compare,
510 void (*CallBack) (long, void *),
516 struct cdbdata *cdbfr;
517 long *msglist = NULL;
519 int num_processed = 0;
522 struct CtdlMessage *msg;
525 int printed_lastold = 0;
527 /* Learn about the user and room in question */
529 getuser(&CC->user, CC->curr_user);
530 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
532 /* Load the message list */
533 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
535 msglist = (long *) cdbfr->ptr;
536 cdbfr->ptr = NULL; /* CtdlForEachMessage() now owns this memory */
537 num_msgs = cdbfr->len / sizeof(long);
540 return 0; /* No messages at all? No further action. */
545 * Now begin the traversal.
547 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
549 /* If the caller is looking for a specific MIME type, filter
550 * out all messages which are not of the type requested.
552 if (content_type != NULL) if (strlen(content_type) > 0) {
554 /* This call to GetMetaData() sits inside this loop
555 * so that we only do the extra database read per msg
556 * if we need to. Doing the extra read all the time
557 * really kills the server. If we ever need to use
558 * metadata for another search criterion, we need to
559 * move the read somewhere else -- but still be smart
560 * enough to only do the read if the caller has
561 * specified something that will need it.
563 GetMetaData(&smi, msglist[a]);
565 if (strcasecmp(smi.meta_content_type, content_type)) {
571 num_msgs = sort_msglist(msglist, num_msgs);
573 /* If a template was supplied, filter out the messages which
574 * don't match. (This could induce some delays!)
577 if (compare != NULL) {
578 for (a = 0; a < num_msgs; ++a) {
579 msg = CtdlFetchMessage(msglist[a], 1);
581 if (CtdlMsgCmp(msg, compare)) {
584 CtdlFreeMessage(msg);
592 * Now iterate through the message list, according to the
593 * criteria supplied by the caller.
596 for (a = 0; a < num_msgs; ++a) {
597 thismsg = msglist[a];
598 if (mode == MSGS_ALL) {
602 is_seen = is_msg_in_sequence_set(
603 vbuf.v_seen, thismsg);
604 if (is_seen) lastold = thismsg;
610 || ((mode == MSGS_OLD) && (is_seen))
611 || ((mode == MSGS_NEW) && (!is_seen))
612 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
613 || ((mode == MSGS_FIRST) && (a < ref))
614 || ((mode == MSGS_GT) && (thismsg > ref))
615 || ((mode == MSGS_EQ) && (thismsg == ref))
618 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
620 CallBack(lastold, userdata);
624 if (CallBack) CallBack(thismsg, userdata);
628 free(msglist); /* Clean up */
629 return num_processed;
635 * cmd_msgs() - get list of message #'s in this room
636 * implements the MSGS server command using CtdlForEachMessage()
638 void cmd_msgs(char *cmdbuf)
647 int with_template = 0;
648 struct CtdlMessage *template = NULL;
649 int with_headers = 0;
651 extract_token(which, cmdbuf, 0, '|', sizeof which);
652 cm_ref = extract_int(cmdbuf, 1);
653 with_template = extract_int(cmdbuf, 2);
654 with_headers = extract_int(cmdbuf, 3);
658 if (!strncasecmp(which, "OLD", 3))
660 else if (!strncasecmp(which, "NEW", 3))
662 else if (!strncasecmp(which, "FIRST", 5))
664 else if (!strncasecmp(which, "LAST", 4))
666 else if (!strncasecmp(which, "GT", 2))
669 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
670 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
676 cprintf("%d Send template then receive message list\n",
678 template = (struct CtdlMessage *)
679 malloc(sizeof(struct CtdlMessage));
680 memset(template, 0, sizeof(struct CtdlMessage));
681 while(client_getln(buf, sizeof buf), strcmp(buf,"000")) {
682 extract_token(tfield, buf, 0, '|', sizeof tfield);
683 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
684 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
685 if (!strcasecmp(tfield, msgkeys[i])) {
686 template->cm_fields[i] =
694 cprintf("%d \n", LISTING_FOLLOWS);
697 CtdlForEachMessage(mode,
701 (with_headers ? headers_listing : simple_listing),
704 if (template != NULL) CtdlFreeMessage(template);
712 * help_subst() - support routine for help file viewer
714 void help_subst(char *strbuf, char *source, char *dest)
719 while (p = pattern2(strbuf, source), (p >= 0)) {
720 strcpy(workbuf, &strbuf[p + strlen(source)]);
721 strcpy(&strbuf[p], dest);
722 strcat(strbuf, workbuf);
727 void do_help_subst(char *buffer)
731 help_subst(buffer, "^nodename", config.c_nodename);
732 help_subst(buffer, "^humannode", config.c_humannode);
733 help_subst(buffer, "^fqdn", config.c_fqdn);
734 help_subst(buffer, "^username", CC->user.fullname);
735 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
736 help_subst(buffer, "^usernum", buf2);
737 help_subst(buffer, "^sysadm", config.c_sysadm);
738 help_subst(buffer, "^variantname", CITADEL);
739 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
740 help_subst(buffer, "^maxsessions", buf2);
741 help_subst(buffer, "^bbsdir", ctdl_bbsbase_dir);
747 * memfmout() - Citadel text formatter and paginator.
748 * Although the original purpose of this routine was to format
749 * text to the reader's screen width, all we're really using it
750 * for here is to format text out to 80 columns before sending it
751 * to the client. The client software may reformat it again.
754 char *mptr, /* where are we going to get our text from? */
755 char subst, /* nonzero if we should do substitutions */
756 char *nl) /* string to terminate lines with */
764 static int width = 80;
769 c = 1; /* c is the current pos */
773 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
775 buffer[strlen(buffer) + 1] = 0;
776 buffer[strlen(buffer)] = ch;
779 if (buffer[0] == '^')
780 do_help_subst(buffer);
782 buffer[strlen(buffer) + 1] = 0;
784 strcpy(buffer, &buffer[1]);
792 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10)) {
795 if (((old == 13) || (old == 10)) && (isspace(real))) {
800 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
801 cprintf("%s%s", nl, aaa);
810 if ((strlen(aaa) + c) > (width - 5)) {
819 if ((ch == 13) || (ch == 10)) {
820 cprintf("%s%s", aaa, nl);
827 cprintf("%s%s", aaa, nl);
833 * Callback function for mime parser that simply lists the part
835 void list_this_part(char *name, char *filename, char *partnum, char *disp,
836 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
841 ma = (struct ma_info *)cbuserdata;
842 if (ma->is_ma == 0) {
843 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
844 name, filename, partnum, disp, cbtype, (long)length);
849 * Callback function for multipart prefix
851 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
852 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
857 ma = (struct ma_info *)cbuserdata;
858 if (!strcasecmp(cbtype, "multipart/alternative")) {
862 if (ma->is_ma == 0) {
863 cprintf("pref=%s|%s\n", partnum, cbtype);
868 * Callback function for multipart sufffix
870 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
871 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
876 ma = (struct ma_info *)cbuserdata;
877 if (ma->is_ma == 0) {
878 cprintf("suff=%s|%s\n", partnum, cbtype);
880 if (!strcasecmp(cbtype, "multipart/alternative")) {
887 * Callback function for mime parser that opens a section for downloading
889 void mime_download(char *name, char *filename, char *partnum, char *disp,
890 void *content, char *cbtype, char *cbcharset, size_t length,
891 char *encoding, void *cbuserdata)
894 /* Silently go away if there's already a download open... */
895 if (CC->download_fp != NULL)
898 /* ...or if this is not the desired section */
899 if (strcasecmp(CC->download_desired_section, partnum))
902 CC->download_fp = tmpfile();
903 if (CC->download_fp == NULL)
906 fwrite(content, length, 1, CC->download_fp);
907 fflush(CC->download_fp);
908 rewind(CC->download_fp);
910 OpenCmdResult(filename, cbtype);
916 * Load a message from disk into memory.
917 * This is used by CtdlOutputMsg() and other fetch functions.
919 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
920 * using the CtdlMessageFree() function.
922 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
924 struct cdbdata *dmsgtext;
925 struct CtdlMessage *ret = NULL;
929 cit_uint8_t field_header;
931 lprintf(CTDL_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
933 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
934 if (dmsgtext == NULL) {
937 mptr = dmsgtext->ptr;
938 upper_bound = mptr + dmsgtext->len;
940 /* Parse the three bytes that begin EVERY message on disk.
941 * The first is always 0xFF, the on-disk magic number.
942 * The second is the anonymous/public type byte.
943 * The third is the format type byte (vari, fixed, or MIME).
948 "Message %ld appears to be corrupted.\n",
953 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
954 memset(ret, 0, sizeof(struct CtdlMessage));
956 ret->cm_magic = CTDLMESSAGE_MAGIC;
957 ret->cm_anon_type = *mptr++; /* Anon type byte */
958 ret->cm_format_type = *mptr++; /* Format type byte */
961 * The rest is zero or more arbitrary fields. Load them in.
962 * We're done when we encounter either a zero-length field or
963 * have just processed the 'M' (message text) field.
966 if (mptr >= upper_bound) {
969 field_header = *mptr++;
970 ret->cm_fields[field_header] = strdup(mptr);
972 while (*mptr++ != 0); /* advance to next field */
974 } while ((mptr < upper_bound) && (field_header != 'M'));
978 /* Always make sure there's something in the msg text field. If
979 * it's NULL, the message text is most likely stored separately,
980 * so go ahead and fetch that. Failing that, just set a dummy
981 * body so other code doesn't barf.
983 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
984 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
985 if (dmsgtext != NULL) {
986 ret->cm_fields['M'] = strdup(dmsgtext->ptr);
990 if (ret->cm_fields['M'] == NULL) {
991 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
994 /* Perform "before read" hooks (aborting if any return nonzero) */
995 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
996 CtdlFreeMessage(ret);
1005 * Returns 1 if the supplied pointer points to a valid Citadel message.
1006 * If the pointer is NULL or the magic number check fails, returns 0.
1008 int is_valid_message(struct CtdlMessage *msg) {
1011 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1012 lprintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
1020 * 'Destructor' for struct CtdlMessage
1022 void CtdlFreeMessage(struct CtdlMessage *msg)
1026 if (is_valid_message(msg) == 0) return;
1028 for (i = 0; i < 256; ++i)
1029 if (msg->cm_fields[i] != NULL) {
1030 free(msg->cm_fields[i]);
1033 msg->cm_magic = 0; /* just in case */
1039 * Pre callback function for multipart/alternative
1041 * NOTE: this differs from the standard behavior for a reason. Normally when
1042 * displaying multipart/alternative you want to show the _last_ usable
1043 * format in the message. Here we show the _first_ one, because it's
1044 * usually text/plain. Since this set of functions is designed for text
1045 * output to non-MIME-aware clients, this is the desired behavior.
1048 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1049 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1054 ma = (struct ma_info *)cbuserdata;
1055 lprintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1056 if (!strcasecmp(cbtype, "multipart/alternative")) {
1060 if (!strcasecmp(cbtype, "message/rfc822")) {
1066 * Post callback function for multipart/alternative
1068 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1069 void *content, char *cbtype, char *cbcharset, size_t length,
1070 char *encoding, void *cbuserdata)
1074 ma = (struct ma_info *)cbuserdata;
1075 lprintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1076 if (!strcasecmp(cbtype, "multipart/alternative")) {
1080 if (!strcasecmp(cbtype, "message/rfc822")) {
1086 * Inline callback function for mime parser that wants to display text
1088 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1089 void *content, char *cbtype, char *cbcharset, size_t length,
1090 char *encoding, void *cbuserdata)
1097 ma = (struct ma_info *)cbuserdata;
1100 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1101 partnum, filename, cbtype, (long)length);
1104 * If we're in the middle of a multipart/alternative scope and
1105 * we've already printed another section, skip this one.
1107 if ( (ma->is_ma) && (ma->did_print) ) {
1108 lprintf(CTDL_DEBUG, "Skipping part %s (%s)\n",
1114 if ( (!strcasecmp(cbtype, "text/plain"))
1115 || (strlen(cbtype)==0) ) {
1118 client_write(wptr, length);
1119 if (wptr[length-1] != '\n') {
1126 if (!strcasecmp(cbtype, "text/html")) {
1127 ptr = html_to_ascii(content, length, 80, 0);
1129 client_write(ptr, wlen);
1130 if (ptr[wlen-1] != '\n') {
1137 if (ma->use_fo_hooks) {
1138 if (PerformFixedOutputHooks(cbtype, content, length)) {
1139 /* above function returns nonzero if it handled the part */
1144 if (strncasecmp(cbtype, "multipart/", 10)) {
1145 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1146 partnum, filename, cbtype, (long)length);
1152 * The client is elegant and sophisticated and wants to be choosy about
1153 * MIME content types, so figure out which multipart/alternative part
1154 * we're going to send.
1156 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1157 void *content, char *cbtype, char *cbcharset, size_t length,
1158 char *encoding, void *cbuserdata)
1164 ma = (struct ma_info *)cbuserdata;
1166 if (ma->is_ma > 0) {
1167 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1168 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1169 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1170 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1177 * Now that we've chosen our preferred part, output it.
1179 void output_preferred(char *name, char *filename, char *partnum, char *disp,
1180 void *content, char *cbtype, char *cbcharset, size_t length,
1181 char *encoding, void *cbuserdata)
1185 int add_newline = 0;
1189 ma = (struct ma_info *)cbuserdata;
1191 /* This is not the MIME part you're looking for... */
1192 if (strcasecmp(partnum, ma->chosen_part)) return;
1194 /* If the content-type of this part is in our preferred formats
1195 * list, we can simply output it verbatim.
1197 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1198 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1199 if (!strcasecmp(buf, cbtype)) {
1200 /* Yeah! Go! W00t!! */
1202 text_content = (char *)content;
1203 if (text_content[length-1] != '\n') {
1207 cprintf("Content-type: %s", cbtype);
1208 if (strlen(cbcharset) > 0) {
1209 cprintf("; charset=%s", cbcharset);
1211 cprintf("\nContent-length: %d\n",
1212 (int)(length + add_newline) );
1213 if (strlen(encoding) > 0) {
1214 cprintf("Content-transfer-encoding: %s\n", encoding);
1217 cprintf("Content-transfer-encoding: 7bit\n");
1220 client_write(content, length);
1221 if (add_newline) cprintf("\n");
1226 /* No translations required or possible: output as text/plain */
1227 cprintf("Content-type: text/plain\n\n");
1228 fixed_output(name, filename, partnum, disp, content, cbtype, cbcharset,
1229 length, encoding, cbuserdata);
1234 char desired_section[64];
1241 * Callback function for
1243 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1244 void *content, char *cbtype, char *cbcharset, size_t length,
1245 char *encoding, void *cbuserdata)
1247 struct encapmsg *encap;
1249 encap = (struct encapmsg *)cbuserdata;
1251 /* Only proceed if this is the desired section... */
1252 if (!strcasecmp(encap->desired_section, partnum)) {
1253 encap->msglen = length;
1254 encap->msg = malloc(length + 2);
1255 memcpy(encap->msg, content, length);
1265 * Get a message off disk. (returns om_* values found in msgbase.h)
1268 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1269 int mode, /* how would you like that message? */
1270 int headers_only, /* eschew the message body? */
1271 int do_proto, /* do Citadel protocol responses? */
1272 int crlf, /* Use CRLF newlines instead of LF? */
1273 char *section /* NULL or a message/rfc822 section */
1275 struct CtdlMessage *TheMessage = NULL;
1276 int retcode = om_no_such_msg;
1277 struct encapmsg encap;
1279 lprintf(CTDL_DEBUG, "CtdlOutputMsg() msgnum=%ld, mode=%d, section=%s\n",
1281 (section ? section : "<>")
1284 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1285 if (do_proto) cprintf("%d Not logged in.\n",
1286 ERROR + NOT_LOGGED_IN);
1287 return(om_not_logged_in);
1290 /* FIXME: check message id against msglist for this room */
1293 * Fetch the message from disk. If we're in any sort of headers
1294 * only mode, request that we don't even bother loading the body
1297 if ( (headers_only == HEADERS_FAST) || (headers_only == HEADERS_ONLY) ) {
1298 TheMessage = CtdlFetchMessage(msg_num, 0);
1301 TheMessage = CtdlFetchMessage(msg_num, 1);
1304 if (TheMessage == NULL) {
1305 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1306 ERROR + MESSAGE_NOT_FOUND, msg_num);
1307 return(om_no_such_msg);
1310 /* Here is the weird form of this command, to process only an
1311 * encapsulated message/rfc822 section.
1313 if (section) if (strlen(section)>0) if (strcmp(section, "0")) {
1314 memset(&encap, 0, sizeof encap);
1315 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1316 mime_parser(TheMessage->cm_fields['M'],
1318 *extract_encapsulated_message,
1319 NULL, NULL, (void *)&encap, 0
1321 CtdlFreeMessage(TheMessage);
1325 encap.msg[encap.msglen] = 0;
1326 TheMessage = convert_internet_message(encap.msg);
1327 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1329 /* Now we let it fall through to the bottom of this
1330 * function, because TheMessage now contains the
1331 * encapsulated message instead of the top-level
1332 * message. Isn't that neat?
1337 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1338 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1339 retcode = om_no_such_msg;
1344 /* Ok, output the message now */
1345 retcode = CtdlOutputPreLoadedMsg(
1347 headers_only, do_proto, crlf);
1348 CtdlFreeMessage(TheMessage);
1355 * Get a message off disk. (returns om_* values found in msgbase.h)
1358 int CtdlOutputPreLoadedMsg(
1359 struct CtdlMessage *TheMessage,
1360 int mode, /* how would you like that message? */
1361 int headers_only, /* eschew the message body? */
1362 int do_proto, /* do Citadel protocol responses? */
1363 int crlf /* Use CRLF newlines instead of LF? */
1369 char display_name[256];
1371 char *nl; /* newline string */
1373 int subject_found = 0;
1376 /* Buffers needed for RFC822 translation. These are all filled
1377 * using functions that are bounds-checked, and therefore we can
1378 * make them substantially smaller than SIZ.
1386 char datestamp[100];
1388 lprintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
1389 ((TheMessage == NULL) ? "NULL" : "not null"),
1390 mode, headers_only, do_proto, crlf);
1392 strcpy(mid, "unknown");
1393 nl = (crlf ? "\r\n" : "\n");
1395 if (!is_valid_message(TheMessage)) {
1397 "ERROR: invalid preloaded message for output\n");
1398 return(om_no_such_msg);
1401 /* Are we downloading a MIME component? */
1402 if (mode == MT_DOWNLOAD) {
1403 if (TheMessage->cm_format_type != FMT_RFC822) {
1405 cprintf("%d This is not a MIME message.\n",
1406 ERROR + ILLEGAL_VALUE);
1407 } else if (CC->download_fp != NULL) {
1408 if (do_proto) cprintf(
1409 "%d You already have a download open.\n",
1410 ERROR + RESOURCE_BUSY);
1412 /* Parse the message text component */
1413 mptr = TheMessage->cm_fields['M'];
1414 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
1415 /* If there's no file open by this time, the requested
1416 * section wasn't found, so print an error
1418 if (CC->download_fp == NULL) {
1419 if (do_proto) cprintf(
1420 "%d Section %s not found.\n",
1421 ERROR + FILE_NOT_FOUND,
1422 CC->download_desired_section);
1425 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1428 /* now for the user-mode message reading loops */
1429 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
1431 /* Does the caller want to skip the headers? */
1432 if (headers_only == HEADERS_NONE) goto START_TEXT;
1434 /* Tell the client which format type we're using. */
1435 if ( (mode == MT_CITADEL) && (do_proto) ) {
1436 cprintf("type=%d\n", TheMessage->cm_format_type);
1439 /* nhdr=yes means that we're only displaying headers, no body */
1440 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1441 && (mode == MT_CITADEL)
1444 cprintf("nhdr=yes\n");
1447 /* begin header processing loop for Citadel message format */
1449 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1451 safestrncpy(display_name, "<unknown>", sizeof display_name);
1452 if (TheMessage->cm_fields['A']) {
1453 strcpy(buf, TheMessage->cm_fields['A']);
1454 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1455 safestrncpy(display_name, "****", sizeof display_name);
1457 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1458 safestrncpy(display_name, "anonymous", sizeof display_name);
1461 safestrncpy(display_name, buf, sizeof display_name);
1463 if ((is_room_aide())
1464 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1465 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1466 size_t tmp = strlen(display_name);
1467 snprintf(&display_name[tmp],
1468 sizeof display_name - tmp,
1473 /* Don't show Internet address for users on the
1474 * local Citadel network.
1477 if (TheMessage->cm_fields['N'] != NULL)
1478 if (strlen(TheMessage->cm_fields['N']) > 0)
1479 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1483 /* Now spew the header fields in the order we like them. */
1484 safestrncpy(allkeys, FORDER, sizeof allkeys);
1485 for (i=0; i<strlen(allkeys); ++i) {
1486 k = (int) allkeys[i];
1488 if ( (TheMessage->cm_fields[k] != NULL)
1489 && (msgkeys[k] != NULL) ) {
1491 if (do_proto) cprintf("%s=%s\n",
1495 else if ((k == 'F') && (suppress_f)) {
1498 /* Masquerade display name if needed */
1500 if (do_proto) cprintf("%s=%s\n",
1502 TheMessage->cm_fields[k]
1511 /* begin header processing loop for RFC822 transfer format */
1516 strcpy(snode, NODENAME);
1517 strcpy(lnode, HUMANNODE);
1518 if (mode == MT_RFC822) {
1519 for (i = 0; i < 256; ++i) {
1520 if (TheMessage->cm_fields[i]) {
1521 mptr = TheMessage->cm_fields[i];
1524 safestrncpy(luser, mptr, sizeof luser);
1525 safestrncpy(suser, mptr, sizeof suser);
1527 else if (i == 'Y') {
1528 cprintf("CC: %s%s", mptr, nl);
1530 else if (i == 'U') {
1531 cprintf("Subject: %s%s", mptr, nl);
1535 safestrncpy(mid, mptr, sizeof mid);
1537 safestrncpy(lnode, mptr, sizeof lnode);
1539 safestrncpy(fuser, mptr, sizeof fuser);
1540 /* else if (i == 'O')
1541 cprintf("X-Citadel-Room: %s%s",
1544 safestrncpy(snode, mptr, sizeof snode);
1546 cprintf("To: %s%s", mptr, nl);
1547 else if (i == 'T') {
1548 datestring(datestamp, sizeof datestamp,
1549 atol(mptr), DATESTRING_RFC822);
1550 cprintf("Date: %s%s", datestamp, nl);
1554 if (subject_found == 0) {
1555 cprintf("Subject: (no subject)%s", nl);
1559 for (i=0; i<strlen(suser); ++i) {
1560 suser[i] = tolower(suser[i]);
1561 if (!isalnum(suser[i])) suser[i]='_';
1564 if (mode == MT_RFC822) {
1565 if (!strcasecmp(snode, NODENAME)) {
1566 safestrncpy(snode, FQDN, sizeof snode);
1569 /* Construct a fun message id */
1570 cprintf("Message-ID: <%s", mid);
1571 if (strchr(mid, '@')==NULL) {
1572 cprintf("@%s", snode);
1576 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
1577 cprintf("From: \"----\" <x@x.org>%s", nl);
1579 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
1580 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
1582 else if (strlen(fuser) > 0) {
1583 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
1586 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
1589 cprintf("Organization: %s%s", lnode, nl);
1591 /* Blank line signifying RFC822 end-of-headers */
1592 if (TheMessage->cm_format_type != FMT_RFC822) {
1597 /* end header processing loop ... at this point, we're in the text */
1599 if (headers_only == HEADERS_FAST) goto DONE;
1600 mptr = TheMessage->cm_fields['M'];
1602 /* Tell the client about the MIME parts in this message */
1603 if (TheMessage->cm_format_type == FMT_RFC822) {
1604 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1605 memset(&ma, 0, sizeof(struct ma_info));
1606 mime_parser(mptr, NULL,
1607 (do_proto ? *list_this_part : NULL),
1608 (do_proto ? *list_this_pref : NULL),
1609 (do_proto ? *list_this_suff : NULL),
1612 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1613 char *start_of_text = NULL;
1614 start_of_text = strstr(mptr, "\n\r\n");
1615 if (start_of_text == NULL) start_of_text = strstr(mptr, "\n\n");
1616 if (start_of_text == NULL) start_of_text = mptr;
1618 start_of_text = strstr(start_of_text, "\n");
1620 while (ch=*mptr, ch!=0) {
1624 else switch(headers_only) {
1626 if (mptr >= start_of_text) {
1627 if (ch == 10) cprintf("%s", nl);
1628 else cprintf("%c", ch);
1632 if (mptr < start_of_text) {
1633 if (ch == 10) cprintf("%s", nl);
1634 else cprintf("%c", ch);
1638 if (ch == 10) cprintf("%s", nl);
1639 else cprintf("%c", ch);
1648 if (headers_only == HEADERS_ONLY) {
1652 /* signify start of msg text */
1653 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1654 if (do_proto) cprintf("text\n");
1657 /* If the format type on disk is 1 (fixed-format), then we want
1658 * everything to be output completely literally ... regardless of
1659 * what message transfer format is in use.
1661 if (TheMessage->cm_format_type == FMT_FIXED) {
1662 if (mode == MT_MIME) {
1663 cprintf("Content-type: text/plain\n\n");
1666 while (ch = *mptr++, ch > 0) {
1669 if ((ch == 10) || (strlen(buf) > 250)) {
1670 cprintf("%s%s", buf, nl);
1673 buf[strlen(buf) + 1] = 0;
1674 buf[strlen(buf)] = ch;
1677 if (strlen(buf) > 0)
1678 cprintf("%s%s", buf, nl);
1681 /* If the message on disk is format 0 (Citadel vari-format), we
1682 * output using the formatter at 80 columns. This is the final output
1683 * form if the transfer format is RFC822, but if the transfer format
1684 * is Citadel proprietary, it'll still work, because the indentation
1685 * for new paragraphs is correct and the client will reformat the
1686 * message to the reader's screen width.
1688 if (TheMessage->cm_format_type == FMT_CITADEL) {
1689 if (mode == MT_MIME) {
1690 cprintf("Content-type: text/x-citadel-variformat\n\n");
1692 memfmout(mptr, 0, nl);
1695 /* If the message on disk is format 4 (MIME), we've gotta hand it
1696 * off to the MIME parser. The client has already been told that
1697 * this message is format 1 (fixed format), so the callback function
1698 * we use will display those parts as-is.
1700 if (TheMessage->cm_format_type == FMT_RFC822) {
1701 memset(&ma, 0, sizeof(struct ma_info));
1703 if (mode == MT_MIME) {
1704 ma.use_fo_hooks = 0;
1705 strcpy(ma.chosen_part, "1");
1706 mime_parser(mptr, NULL,
1707 *choose_preferred, *fixed_output_pre,
1708 *fixed_output_post, (void *)&ma, 0);
1709 mime_parser(mptr, NULL,
1710 *output_preferred, NULL, NULL, (void *)&ma, 0);
1713 ma.use_fo_hooks = 1;
1714 mime_parser(mptr, NULL,
1715 *fixed_output, *fixed_output_pre,
1716 *fixed_output_post, (void *)&ma, 0);
1721 DONE: /* now we're done */
1722 if (do_proto) cprintf("000\n");
1729 * display a message (mode 0 - Citadel proprietary)
1731 void cmd_msg0(char *cmdbuf)
1734 int headers_only = HEADERS_ALL;
1736 msgid = extract_long(cmdbuf, 0);
1737 headers_only = extract_int(cmdbuf, 1);
1739 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL);
1745 * display a message (mode 2 - RFC822)
1747 void cmd_msg2(char *cmdbuf)
1750 int headers_only = HEADERS_ALL;
1752 msgid = extract_long(cmdbuf, 0);
1753 headers_only = extract_int(cmdbuf, 1);
1755 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL);
1761 * display a message (mode 3 - IGnet raw format - internal programs only)
1763 void cmd_msg3(char *cmdbuf)
1766 struct CtdlMessage *msg;
1769 if (CC->internal_pgm == 0) {
1770 cprintf("%d This command is for internal programs only.\n",
1771 ERROR + HIGHER_ACCESS_REQUIRED);
1775 msgnum = extract_long(cmdbuf, 0);
1776 msg = CtdlFetchMessage(msgnum, 1);
1778 cprintf("%d Message %ld not found.\n",
1779 ERROR + MESSAGE_NOT_FOUND, msgnum);
1783 serialize_message(&smr, msg);
1784 CtdlFreeMessage(msg);
1787 cprintf("%d Unable to serialize message\n",
1788 ERROR + INTERNAL_ERROR);
1792 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1793 client_write((char *)smr.ser, (int)smr.len);
1800 * Display a message using MIME content types
1802 void cmd_msg4(char *cmdbuf)
1807 msgid = extract_long(cmdbuf, 0);
1808 extract_token(section, cmdbuf, 1, '|', sizeof section);
1809 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) );
1815 * Client tells us its preferred message format(s)
1817 void cmd_msgp(char *cmdbuf)
1819 safestrncpy(CC->preferred_formats, cmdbuf,
1820 sizeof(CC->preferred_formats));
1821 cprintf("%d ok\n", CIT_OK);
1826 * Open a component of a MIME message as a download file
1828 void cmd_opna(char *cmdbuf)
1831 char desired_section[128];
1833 msgid = extract_long(cmdbuf, 0);
1834 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
1835 safestrncpy(CC->download_desired_section, desired_section,
1836 sizeof CC->download_desired_section);
1837 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL);
1842 * Save a message pointer into a specified room
1843 * (Returns 0 for success, nonzero for failure)
1844 * roomname may be NULL to use the current room
1846 * Note that the 'supplied_msg' field may be set to NULL, in which case
1847 * the message will be fetched from disk, by number, if we need to perform
1848 * replication checks. This adds an additional database read, so if the
1849 * caller already has the message in memory then it should be supplied.
1851 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int do_repl_check,
1852 struct CtdlMessage *supplied_msg) {
1854 char hold_rm[ROOMNAMELEN];
1855 struct cdbdata *cdbfr;
1858 long highest_msg = 0L;
1859 struct CtdlMessage *msg = NULL;
1861 /*lprintf(CTDL_DEBUG,
1862 "CtdlSaveMsgPointerInRoom(room=%s, msgid=%ld, repl=%d)\n",
1863 roomname, msgid, do_repl_check);*/
1865 strcpy(hold_rm, CC->room.QRname);
1867 /* Now the regular stuff */
1868 if (lgetroom(&CC->room,
1869 ((roomname != NULL) ? roomname : CC->room.QRname) )
1871 lprintf(CTDL_ERR, "No such room <%s>\n", roomname);
1872 return(ERROR + ROOM_NOT_FOUND);
1875 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
1876 if (cdbfr == NULL) {
1880 msglist = (long *) cdbfr->ptr;
1881 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
1882 num_msgs = cdbfr->len / sizeof(long);
1886 /* Make sure the message doesn't already exist in this room. It
1887 * is absolutely taboo to have more than one reference to the same
1888 * message in a room.
1890 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1891 if (msglist[i] == msgid) {
1892 lputroom(&CC->room); /* unlock the room */
1893 getroom(&CC->room, hold_rm);
1895 return(ERROR + ALREADY_EXISTS);
1899 /* Now add the new message */
1901 msglist = realloc(msglist, (num_msgs * sizeof(long)));
1903 if (msglist == NULL) {
1904 lprintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
1906 msglist[num_msgs - 1] = msgid;
1908 /* Sort the message list, so all the msgid's are in order */
1909 num_msgs = sort_msglist(msglist, num_msgs);
1911 /* Determine the highest message number */
1912 highest_msg = msglist[num_msgs - 1];
1914 /* Write it back to disk. */
1915 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
1916 msglist, (int)(num_msgs * sizeof(long)));
1918 /* Free up the memory we used. */
1921 /* Update the highest-message pointer and unlock the room. */
1922 CC->room.QRhighest = highest_msg;
1923 lputroom(&CC->room);
1925 /* Perform replication checks if necessary */
1926 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
1927 if (supplied_msg != NULL) {
1931 msg = CtdlFetchMessage(msgid, 0);
1935 ReplicationChecks(msg);
1940 /* If the message has an Exclusive ID, index that... */
1942 if (msg->cm_fields['E'] != NULL) {
1943 index_message_by_euid(msg->cm_fields['E'],
1948 /* Free up the memory we may have allocated */
1949 if ( (msg != NULL) && (msg != supplied_msg) ) {
1950 CtdlFreeMessage(msg);
1953 /* Go back to the room we were in before we wandered here... */
1954 getroom(&CC->room, hold_rm);
1956 /* Bump the reference count for this message. */
1957 AdjRefCount(msgid, +1);
1959 /* Return success. */
1966 * Message base operation to save a new message to the message store
1967 * (returns new message number)
1969 * This is the back end for CtdlSubmitMsg() and should not be directly
1970 * called by server-side modules.
1973 long send_message(struct CtdlMessage *msg) {
1981 /* Get a new message number */
1982 newmsgid = get_new_message_number();
1983 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1985 /* Generate an ID if we don't have one already */
1986 if (msg->cm_fields['I']==NULL) {
1987 msg->cm_fields['I'] = strdup(msgidbuf);
1990 /* If the message is big, set its body aside for storage elsewhere */
1991 if (msg->cm_fields['M'] != NULL) {
1992 if (strlen(msg->cm_fields['M']) > BIGMSG) {
1994 holdM = msg->cm_fields['M'];
1995 msg->cm_fields['M'] = NULL;
1999 /* Serialize our data structure for storage in the database */
2000 serialize_message(&smr, msg);
2003 msg->cm_fields['M'] = holdM;
2007 cprintf("%d Unable to serialize message\n",
2008 ERROR + INTERNAL_ERROR);
2012 /* Write our little bundle of joy into the message base */
2013 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2014 smr.ser, smr.len) < 0) {
2015 lprintf(CTDL_ERR, "Can't store message\n");
2019 cdb_store(CDB_BIGMSGS,
2029 /* Free the memory we used for the serialized message */
2032 /* Return the *local* message ID to the caller
2033 * (even if we're storing an incoming network message)
2041 * Serialize a struct CtdlMessage into the format used on disk and network.
2043 * This function loads up a "struct ser_ret" (defined in server.h) which
2044 * contains the length of the serialized message and a pointer to the
2045 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2047 void serialize_message(struct ser_ret *ret, /* return values */
2048 struct CtdlMessage *msg) /* unserialized msg */
2050 size_t wlen, fieldlen;
2052 static char *forder = FORDER;
2055 * Check for valid message format
2057 if (is_valid_message(msg) == 0) {
2058 lprintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2065 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2066 ret->len = ret->len +
2067 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2069 ret->ser = malloc(ret->len);
2070 if (ret->ser == NULL) {
2071 lprintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2072 (long)ret->len, strerror(errno));
2079 ret->ser[1] = msg->cm_anon_type;
2080 ret->ser[2] = msg->cm_format_type;
2083 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2084 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2085 ret->ser[wlen++] = (char)forder[i];
2086 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2087 wlen = wlen + fieldlen + 1;
2089 if (ret->len != wlen) lprintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2090 (long)ret->len, (long)wlen);
2098 * Check to see if any messages already exist in the current room which
2099 * carry the same Exclusive ID as this one. If any are found, delete them.
2101 void ReplicationChecks(struct CtdlMessage *msg) {
2102 long old_msgnum = (-1L);
2104 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2106 lprintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2109 /* No exclusive id? Don't do anything. */
2110 if (msg == NULL) return;
2111 if (msg->cm_fields['E'] == NULL) return;
2112 if (strlen(msg->cm_fields['E']) == 0) return;
2113 /*lprintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2114 msg->cm_fields['E'], CC->room.QRname);*/
2116 old_msgnum = locate_message_by_euid(msg->cm_fields['E'], &CC->room);
2117 if (old_msgnum > 0L) {
2118 lprintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2119 CtdlDeleteMessages(CC->room.QRname, old_msgnum, "", 0);
2126 * Save a message to disk and submit it into the delivery system.
2128 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2129 struct recptypes *recps, /* recipients (if mail) */
2130 char *force /* force a particular room? */
2132 char submit_filename[128];
2133 char generated_timestamp[32];
2134 char hold_rm[ROOMNAMELEN];
2135 char actual_rm[ROOMNAMELEN];
2136 char force_room[ROOMNAMELEN];
2137 char content_type[SIZ]; /* We have to learn this */
2138 char recipient[SIZ];
2141 struct ctdluser userbuf;
2143 struct MetaData smi;
2144 FILE *network_fp = NULL;
2145 static int seqnum = 1;
2146 struct CtdlMessage *imsg = NULL;
2149 char *hold_R, *hold_D;
2150 char *collected_addresses = NULL;
2151 struct addresses_to_be_filed *aptr = NULL;
2152 char *saved_rfc822_version = NULL;
2153 int qualified_for_journaling = 0;
2155 lprintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2156 if (is_valid_message(msg) == 0) return(-1); /* self check */
2158 /* If this message has no timestamp, we take the liberty of
2159 * giving it one, right now.
2161 if (msg->cm_fields['T'] == NULL) {
2162 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2163 msg->cm_fields['T'] = strdup(generated_timestamp);
2166 /* If this message has no path, we generate one.
2168 if (msg->cm_fields['P'] == NULL) {
2169 if (msg->cm_fields['A'] != NULL) {
2170 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2171 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
2172 if (isspace(msg->cm_fields['P'][a])) {
2173 msg->cm_fields['P'][a] = ' ';
2178 msg->cm_fields['P'] = strdup("unknown");
2182 if (force == NULL) {
2183 strcpy(force_room, "");
2186 strcpy(force_room, force);
2189 /* Learn about what's inside, because it's what's inside that counts */
2190 if (msg->cm_fields['M'] == NULL) {
2191 lprintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2195 switch (msg->cm_format_type) {
2197 strcpy(content_type, "text/x-citadel-variformat");
2200 strcpy(content_type, "text/plain");
2203 strcpy(content_type, "text/plain");
2204 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type: ");
2206 safestrncpy(content_type, &mptr[14],
2207 sizeof content_type);
2208 for (a = 0; a < strlen(content_type); ++a) {
2209 if ((content_type[a] == ';')
2210 || (content_type[a] == ' ')
2211 || (content_type[a] == 13)
2212 || (content_type[a] == 10)) {
2213 content_type[a] = 0;
2219 /* Goto the correct room */
2220 lprintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CC->room.QRname : SENTITEMS);
2221 strcpy(hold_rm, CC->room.QRname);
2222 strcpy(actual_rm, CC->room.QRname);
2223 if (recps != NULL) {
2224 strcpy(actual_rm, SENTITEMS);
2227 /* If the user is a twit, move to the twit room for posting */
2229 if (CC->user.axlevel == 2) {
2230 strcpy(hold_rm, actual_rm);
2231 strcpy(actual_rm, config.c_twitroom);
2232 lprintf(CTDL_DEBUG, "Diverting to twit room\n");
2236 /* ...or if this message is destined for Aide> then go there. */
2237 if (strlen(force_room) > 0) {
2238 strcpy(actual_rm, force_room);
2241 lprintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2242 if (strcasecmp(actual_rm, CC->room.QRname)) {
2243 /* getroom(&CC->room, actual_rm); */
2244 usergoto(actual_rm, 0, 1, NULL, NULL);
2248 * If this message has no O (room) field, generate one.
2250 if (msg->cm_fields['O'] == NULL) {
2251 msg->cm_fields['O'] = strdup(CC->room.QRname);
2254 /* Perform "before save" hooks (aborting if any return nonzero) */
2255 lprintf(CTDL_DEBUG, "Performing before-save hooks\n");
2256 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2259 * If this message has an Exclusive ID, and the room is replication
2260 * checking enabled, then do replication checks.
2262 if (DoesThisRoomNeedEuidIndexing(&CC->room)) {
2263 ReplicationChecks(msg);
2266 /* Save it to disk */
2267 lprintf(CTDL_DEBUG, "Saving to disk\n");
2268 newmsgid = send_message(msg);
2269 if (newmsgid <= 0L) return(-5);
2271 /* Write a supplemental message info record. This doesn't have to
2272 * be a critical section because nobody else knows about this message
2275 lprintf(CTDL_DEBUG, "Creating MetaData record\n");
2276 memset(&smi, 0, sizeof(struct MetaData));
2277 smi.meta_msgnum = newmsgid;
2278 smi.meta_refcount = 0;
2279 safestrncpy(smi.meta_content_type, content_type,
2280 sizeof smi.meta_content_type);
2283 * Measure how big this message will be when rendered as RFC822.
2284 * We do this for two reasons:
2285 * 1. We need the RFC822 length for the new metadata record, so the
2286 * POP and IMAP services don't have to calculate message lengths
2287 * while the user is waiting (multiplied by potentially hundreds
2288 * or thousands of messages).
2289 * 2. If journaling is enabled, we will need an RFC822 version of the
2290 * message to attach to the journalized copy.
2292 if (CC->redirect_buffer != NULL) {
2293 lprintf(CTDL_ALERT, "CC->redirect_buffer is not NULL during message submission!\n");
2296 CC->redirect_buffer = malloc(SIZ);
2297 CC->redirect_len = 0;
2298 CC->redirect_alloc = SIZ;
2299 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1);
2300 smi.meta_rfc822_length = CC->redirect_len;
2301 saved_rfc822_version = CC->redirect_buffer;
2302 CC->redirect_buffer = NULL;
2303 CC->redirect_len = 0;
2304 CC->redirect_alloc = 0;
2308 /* Now figure out where to store the pointers */
2309 lprintf(CTDL_DEBUG, "Storing pointers\n");
2311 /* If this is being done by the networker delivering a private
2312 * message, we want to BYPASS saving the sender's copy (because there
2313 * is no local sender; it would otherwise go to the Trashcan).
2315 if ((!CC->internal_pgm) || (recps == NULL)) {
2316 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2317 lprintf(CTDL_ERR, "ERROR saving message pointer!\n");
2318 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2322 /* For internet mail, drop a copy in the outbound queue room */
2324 if (recps->num_internet > 0) {
2325 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2328 /* If other rooms are specified, drop them there too. */
2330 if (recps->num_room > 0)
2331 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2332 extract_token(recipient, recps->recp_room, i,
2333 '|', sizeof recipient);
2334 lprintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2335 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2338 /* Bump this user's messages posted counter. */
2339 lprintf(CTDL_DEBUG, "Updating user\n");
2340 lgetuser(&CC->user, CC->curr_user);
2341 CC->user.posted = CC->user.posted + 1;
2342 lputuser(&CC->user);
2344 /* If this is private, local mail, make a copy in the
2345 * recipient's mailbox and bump the reference count.
2348 if (recps->num_local > 0)
2349 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2350 extract_token(recipient, recps->recp_local, i,
2351 '|', sizeof recipient);
2352 lprintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2354 if (getuser(&userbuf, recipient) == 0) {
2355 MailboxName(actual_rm, sizeof actual_rm,
2356 &userbuf, MAILROOM);
2357 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2358 BumpNewMailCounter(userbuf.usernum);
2361 lprintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2362 CtdlSaveMsgPointerInRoom(config.c_aideroom,
2367 /* Perform "after save" hooks */
2368 lprintf(CTDL_DEBUG, "Performing after-save hooks\n");
2369 PerformMessageHooks(msg, EVT_AFTERSAVE);
2371 /* For IGnet mail, we have to save a new copy into the spooler for
2372 * each recipient, with the R and D fields set to the recipient and
2373 * destination-node. This has two ugly side effects: all other
2374 * recipients end up being unlisted in this recipient's copy of the
2375 * message, and it has to deliver multiple messages to the same
2376 * node. We'll revisit this again in a year or so when everyone has
2377 * a network spool receiver that can handle the new style messages.
2380 if (recps->num_ignet > 0)
2381 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2382 extract_token(recipient, recps->recp_ignet, i,
2383 '|', sizeof recipient);
2385 hold_R = msg->cm_fields['R'];
2386 hold_D = msg->cm_fields['D'];
2387 msg->cm_fields['R'] = malloc(SIZ);
2388 msg->cm_fields['D'] = malloc(128);
2389 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
2390 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
2392 serialize_message(&smr, msg);
2394 snprintf(submit_filename, sizeof submit_filename,
2395 "%s/netmail.%04lx.%04x.%04x",
2397 (long) getpid(), CC->cs_pid, ++seqnum);
2398 network_fp = fopen(submit_filename, "wb+");
2399 if (network_fp != NULL) {
2400 fwrite(smr.ser, smr.len, 1, network_fp);
2406 free(msg->cm_fields['R']);
2407 free(msg->cm_fields['D']);
2408 msg->cm_fields['R'] = hold_R;
2409 msg->cm_fields['D'] = hold_D;
2412 /* Go back to the room we started from */
2413 lprintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2414 if (strcasecmp(hold_rm, CC->room.QRname))
2415 /* getroom(&CC->room, hold_rm); */
2416 usergoto(hold_rm, 0, 1, NULL, NULL);
2418 /* For internet mail, generate delivery instructions.
2419 * Yes, this is recursive. Deal with it. Infinite recursion does
2420 * not happen because the delivery instructions message does not
2421 * contain a recipient.
2424 if (recps->num_internet > 0) {
2425 lprintf(CTDL_DEBUG, "Generating delivery instructions\n");
2426 instr = malloc(SIZ * 2);
2427 snprintf(instr, SIZ * 2,
2428 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2430 SPOOLMIME, newmsgid, (long)time(NULL),
2431 msg->cm_fields['A'], msg->cm_fields['N']
2434 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2435 size_t tmp = strlen(instr);
2436 extract_token(recipient, recps->recp_internet,
2437 i, '|', sizeof recipient);
2438 snprintf(&instr[tmp], SIZ * 2 - tmp,
2439 "remote|%s|0||\n", recipient);
2442 imsg = malloc(sizeof(struct CtdlMessage));
2443 memset(imsg, 0, sizeof(struct CtdlMessage));
2444 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2445 imsg->cm_anon_type = MES_NORMAL;
2446 imsg->cm_format_type = FMT_RFC822;
2447 imsg->cm_fields['A'] = strdup("Citadel");
2448 imsg->cm_fields['J'] = strdup("do not journal");
2449 imsg->cm_fields['M'] = instr;
2450 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2451 CtdlFreeMessage(imsg);
2455 * Any addresses to harvest for someone's address book?
2457 if ( (CC->logged_in) && (recps != NULL) ) {
2458 collected_addresses = harvest_collected_addresses(msg);
2461 if (collected_addresses != NULL) {
2462 begin_critical_section(S_ATBF);
2463 aptr = (struct addresses_to_be_filed *)
2464 malloc(sizeof(struct addresses_to_be_filed));
2466 MailboxName(actual_rm, sizeof actual_rm,
2467 &CC->user, USERCONTACTSROOM);
2468 aptr->roomname = strdup(actual_rm);
2469 aptr->collected_addresses = collected_addresses;
2471 end_critical_section(S_ATBF);
2475 * Determine whether this message qualifies for journaling.
2477 if (msg->cm_fields['J'] != NULL) {
2478 qualified_for_journaling = 0;
2481 if (recps == NULL) {
2482 qualified_for_journaling = config.c_journal_pubmsgs;
2484 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
2485 qualified_for_journaling = config.c_journal_email;
2488 qualified_for_journaling = config.c_journal_pubmsgs;
2493 * Do we have to perform journaling? If so, hand off the saved
2494 * RFC822 version will be handed off to the journaler for background
2495 * submit. Otherwise, we have to free the memory ourselves.
2497 if (saved_rfc822_version != NULL) {
2498 if (qualified_for_journaling) {
2499 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
2502 free(saved_rfc822_version);
2515 * Convenience function for generating small administrative messages.
2517 void quickie_message(char *from, char *to, char *room, char *text,
2518 int format_type, char *subject)
2520 struct CtdlMessage *msg;
2521 struct recptypes *recp = NULL;
2523 msg = malloc(sizeof(struct CtdlMessage));
2524 memset(msg, 0, sizeof(struct CtdlMessage));
2525 msg->cm_magic = CTDLMESSAGE_MAGIC;
2526 msg->cm_anon_type = MES_NORMAL;
2527 msg->cm_format_type = format_type;
2528 msg->cm_fields['A'] = strdup(from);
2529 if (room != NULL) msg->cm_fields['O'] = strdup(room);
2530 msg->cm_fields['N'] = strdup(NODENAME);
2532 msg->cm_fields['R'] = strdup(to);
2533 recp = validate_recipients(to);
2535 if (subject != NULL) {
2536 msg->cm_fields['U'] = strdup(subject);
2538 msg->cm_fields['M'] = strdup(text);
2540 CtdlSubmitMsg(msg, recp, room);
2541 CtdlFreeMessage(msg);
2542 if (recp != NULL) free(recp);
2548 * Back end function used by CtdlMakeMessage() and similar functions
2550 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2551 size_t maxlen, /* maximum message length */
2552 char *exist, /* if non-null, append to it;
2553 exist is ALWAYS freed */
2554 int crlf /* CRLF newlines instead of LF */
2558 size_t message_len = 0;
2559 size_t buffer_len = 0;
2565 if (exist == NULL) {
2572 message_len = strlen(exist);
2573 buffer_len = message_len + 4096;
2574 m = realloc(exist, buffer_len);
2581 /* flush the input if we have nowhere to store it */
2586 /* read in the lines of message text one by one */
2588 if (client_getln(buf, (sizeof buf - 3)) < 1) finished = 1;
2589 if (!strcmp(buf, terminator)) finished = 1;
2591 strcat(buf, "\r\n");
2597 if ( (!flushing) && (!finished) ) {
2598 /* Measure the line */
2599 linelen = strlen(buf);
2601 /* augment the buffer if we have to */
2602 if ((message_len + linelen) >= buffer_len) {
2603 ptr = realloc(m, (buffer_len * 2) );
2604 if (ptr == NULL) { /* flush if can't allocate */
2607 buffer_len = (buffer_len * 2);
2609 lprintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
2613 /* Add the new line to the buffer. NOTE: this loop must avoid
2614 * using functions like strcat() and strlen() because they
2615 * traverse the entire buffer upon every call, and doing that
2616 * for a multi-megabyte message slows it down beyond usability.
2618 strcpy(&m[message_len], buf);
2619 message_len += linelen;
2622 /* if we've hit the max msg length, flush the rest */
2623 if (message_len >= maxlen) flushing = 1;
2625 } while (!finished);
2633 * Build a binary message to be saved on disk.
2634 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2635 * will become part of the message. This means you are no longer
2636 * responsible for managing that memory -- it will be freed along with
2637 * the rest of the fields when CtdlFreeMessage() is called.)
2640 struct CtdlMessage *CtdlMakeMessage(
2641 struct ctdluser *author, /* author's user structure */
2642 char *recipient, /* NULL if it's not mail */
2643 char *recp_cc, /* NULL if it's not mail */
2644 char *room, /* room where it's going */
2645 int type, /* see MES_ types in header file */
2646 int format_type, /* variformat, plain text, MIME... */
2647 char *fake_name, /* who we're masquerading as */
2648 char *subject, /* Subject (optional) */
2649 char *supplied_euid, /* ...or NULL if this is irrelevant */
2650 char *preformatted_text /* ...or NULL to read text from client */
2652 char dest_node[SIZ];
2654 struct CtdlMessage *msg;
2656 msg = malloc(sizeof(struct CtdlMessage));
2657 memset(msg, 0, sizeof(struct CtdlMessage));
2658 msg->cm_magic = CTDLMESSAGE_MAGIC;
2659 msg->cm_anon_type = type;
2660 msg->cm_format_type = format_type;
2662 /* Don't confuse the poor folks if it's not routed mail. */
2663 strcpy(dest_node, "");
2668 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2669 msg->cm_fields['P'] = strdup(buf);
2671 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2672 msg->cm_fields['T'] = strdup(buf);
2674 if (fake_name[0]) /* author */
2675 msg->cm_fields['A'] = strdup(fake_name);
2677 msg->cm_fields['A'] = strdup(author->fullname);
2679 if (CC->room.QRflags & QR_MAILBOX) { /* room */
2680 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
2683 msg->cm_fields['O'] = strdup(CC->room.QRname);
2686 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
2687 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
2689 if (recipient[0] != 0) {
2690 msg->cm_fields['R'] = strdup(recipient);
2692 if (recp_cc[0] != 0) {
2693 msg->cm_fields['Y'] = strdup(recp_cc);
2695 if (dest_node[0] != 0) {
2696 msg->cm_fields['D'] = strdup(dest_node);
2699 if ( (author == &CC->user) && (strlen(CC->cs_inet_email) > 0) ) {
2700 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
2703 if (subject != NULL) {
2705 if (strlen(subject) > 0) {
2706 msg->cm_fields['U'] = strdup(subject);
2710 if (supplied_euid != NULL) {
2711 msg->cm_fields['E'] = strdup(supplied_euid);
2714 if (preformatted_text != NULL) {
2715 msg->cm_fields['M'] = preformatted_text;
2718 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2719 config.c_maxmsglen, NULL, 0);
2727 * Check to see whether we have permission to post a message in the current
2728 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2729 * returns 0 on success.
2731 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2733 if (!(CC->logged_in)) {
2734 snprintf(errmsgbuf, n, "Not logged in.");
2735 return (ERROR + NOT_LOGGED_IN);
2738 if ((CC->user.axlevel < 2)
2739 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
2740 snprintf(errmsgbuf, n, "Need to be validated to enter "
2741 "(except in %s> to sysop)", MAILROOM);
2742 return (ERROR + HIGHER_ACCESS_REQUIRED);
2745 if ((CC->user.axlevel < 4)
2746 && (CC->room.QRflags & QR_NETWORK)) {
2747 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2748 return (ERROR + HIGHER_ACCESS_REQUIRED);
2751 if ((CC->user.axlevel < 6)
2752 && (CC->room.QRflags & QR_READONLY)) {
2753 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2754 return (ERROR + HIGHER_ACCESS_REQUIRED);
2757 strcpy(errmsgbuf, "Ok");
2763 * Check to see if the specified user has Internet mail permission
2764 * (returns nonzero if permission is granted)
2766 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
2768 /* Do not allow twits to send Internet mail */
2769 if (who->axlevel <= 2) return(0);
2771 /* Globally enabled? */
2772 if (config.c_restrict == 0) return(1);
2774 /* User flagged ok? */
2775 if (who->flags & US_INTERNET) return(2);
2777 /* Aide level access? */
2778 if (who->axlevel >= 6) return(3);
2780 /* No mail for you! */
2786 * Validate recipients, count delivery types and errors, and handle aliasing
2787 * FIXME check for dupes!!!!!
2788 * Returns 0 if all addresses are ok, -1 if no addresses were specified,
2789 * or the number of addresses found invalid.
2791 struct recptypes *validate_recipients(char *supplied_recipients) {
2792 struct recptypes *ret;
2793 char recipients[SIZ];
2794 char this_recp[256];
2795 char this_recp_cooked[256];
2801 struct ctdluser tempUS;
2802 struct ctdlroom tempQR;
2806 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2807 if (ret == NULL) return(NULL);
2808 memset(ret, 0, sizeof(struct recptypes));
2811 ret->num_internet = 0;
2816 if (supplied_recipients == NULL) {
2817 strcpy(recipients, "");
2820 safestrncpy(recipients, supplied_recipients, sizeof recipients);
2823 /* Change all valid separator characters to commas */
2824 for (i=0; i<strlen(recipients); ++i) {
2825 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2826 recipients[i] = ',';
2830 /* Now start extracting recipients... */
2832 while (strlen(recipients) > 0) {
2834 for (i=0; i<=strlen(recipients); ++i) {
2835 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
2836 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
2837 safestrncpy(this_recp, recipients, i+1);
2839 if (recipients[i] == ',') {
2840 strcpy(recipients, &recipients[i+1]);
2843 strcpy(recipients, "");
2850 lprintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
2852 mailtype = alias(this_recp);
2853 mailtype = alias(this_recp);
2854 mailtype = alias(this_recp);
2855 for (j=0; j<=strlen(this_recp); ++j) {
2856 if (this_recp[j]=='_') {
2857 this_recp_cooked[j] = ' ';
2860 this_recp_cooked[j] = this_recp[j];
2866 if (!strcasecmp(this_recp, "sysop")) {
2868 strcpy(this_recp, config.c_aideroom);
2869 if (strlen(ret->recp_room) > 0) {
2870 strcat(ret->recp_room, "|");
2872 strcat(ret->recp_room, this_recp);
2874 else if (getuser(&tempUS, this_recp) == 0) {
2876 strcpy(this_recp, tempUS.fullname);
2877 if (strlen(ret->recp_local) > 0) {
2878 strcat(ret->recp_local, "|");
2880 strcat(ret->recp_local, this_recp);
2882 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2884 strcpy(this_recp, tempUS.fullname);
2885 if (strlen(ret->recp_local) > 0) {
2886 strcat(ret->recp_local, "|");
2888 strcat(ret->recp_local, this_recp);
2890 else if ( (!strncasecmp(this_recp, "room_", 5))
2891 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2893 if (strlen(ret->recp_room) > 0) {
2894 strcat(ret->recp_room, "|");
2896 strcat(ret->recp_room, &this_recp_cooked[5]);
2904 /* Yes, you're reading this correctly: if the target
2905 * domain points back to the local system or an attached
2906 * Citadel directory, the address is invalid. That's
2907 * because if the address were valid, we would have
2908 * already translated it to a local address by now.
2910 if (IsDirectory(this_recp)) {
2915 ++ret->num_internet;
2916 if (strlen(ret->recp_internet) > 0) {
2917 strcat(ret->recp_internet, "|");
2919 strcat(ret->recp_internet, this_recp);
2924 if (strlen(ret->recp_ignet) > 0) {
2925 strcat(ret->recp_ignet, "|");
2927 strcat(ret->recp_ignet, this_recp);
2935 if (strlen(ret->errormsg) == 0) {
2936 snprintf(append, sizeof append,
2937 "Invalid recipient: %s",
2941 snprintf(append, sizeof append,
2944 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2945 strcat(ret->errormsg, append);
2949 if (strlen(ret->display_recp) == 0) {
2950 strcpy(append, this_recp);
2953 snprintf(append, sizeof append, ", %s",
2956 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2957 strcat(ret->display_recp, append);
2962 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2963 ret->num_room + ret->num_error) == 0) {
2964 ret->num_error = (-1);
2965 strcpy(ret->errormsg, "No recipients specified.");
2968 lprintf(CTDL_DEBUG, "validate_recipients()\n");
2969 lprintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2970 lprintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2971 lprintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2972 lprintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2973 lprintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2981 * message entry - mode 0 (normal)
2983 void cmd_ent0(char *entargs)
2989 char supplied_euid[128];
2990 char masquerade_as[SIZ];
2992 int format_type = 0;
2993 char newusername[SIZ];
2994 struct CtdlMessage *msg;
2998 struct recptypes *valid = NULL;
2999 struct recptypes *valid_to = NULL;
3000 struct recptypes *valid_cc = NULL;
3001 struct recptypes *valid_bcc = NULL;
3008 post = extract_int(entargs, 0);
3009 extract_token(recp, entargs, 1, '|', sizeof recp);
3010 anon_flag = extract_int(entargs, 2);
3011 format_type = extract_int(entargs, 3);
3012 extract_token(subject, entargs, 4, '|', sizeof subject);
3013 do_confirm = extract_int(entargs, 6);
3014 extract_token(cc, entargs, 7, '|', sizeof cc);
3015 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3016 switch(CC->room.QRdefaultview) {
3019 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3022 supplied_euid[0] = 0;
3026 /* first check to make sure the request is valid. */
3028 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
3030 cprintf("%d %s\n", err, errmsg);
3034 /* Check some other permission type things. */
3037 if (CC->user.axlevel < 6) {
3038 cprintf("%d You don't have permission to masquerade.\n",
3039 ERROR + HIGHER_ACCESS_REQUIRED);
3042 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3043 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
3044 safestrncpy(CC->fake_postname, newusername,
3045 sizeof(CC->fake_postname) );
3046 cprintf("%d ok\n", CIT_OK);
3049 CC->cs_flags |= CS_POSTING;
3051 /* In the Mail> room we have to behave a little differently --
3052 * make sure the user has specified at least one recipient. Then
3053 * validate the recipient(s).
3055 if ( (CC->room.QRflags & QR_MAILBOX)
3056 && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) ) {
3058 if (CC->user.axlevel < 2) {
3059 strcpy(recp, "sysop");
3064 valid_to = validate_recipients(recp);
3065 if (valid_to->num_error > 0) {
3066 cprintf("%d Invalid recipient (To)\n", ERROR + NO_SUCH_USER);
3071 valid_cc = validate_recipients(cc);
3072 if (valid_cc->num_error > 0) {
3073 cprintf("%d Invalid recipient (CC)\n", ERROR + NO_SUCH_USER);
3079 valid_bcc = validate_recipients(bcc);
3080 if (valid_bcc->num_error > 0) {
3081 cprintf("%d Invalid recipient (BCC)\n", ERROR + NO_SUCH_USER);
3088 /* Recipient required, but none were specified */
3089 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
3093 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
3097 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
3098 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
3099 cprintf("%d You do not have permission "
3100 "to send Internet mail.\n",
3101 ERROR + HIGHER_ACCESS_REQUIRED);
3109 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)
3110 && (CC->user.axlevel < 4) ) {
3111 cprintf("%d Higher access required for network mail.\n",
3112 ERROR + HIGHER_ACCESS_REQUIRED);
3119 if ((RESTRICT_INTERNET == 1)
3120 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
3121 && ((CC->user.flags & US_INTERNET) == 0)
3122 && (!CC->internal_pgm)) {
3123 cprintf("%d You don't have access to Internet mail.\n",
3124 ERROR + HIGHER_ACCESS_REQUIRED);
3133 /* Is this a room which has anonymous-only or anonymous-option? */
3134 anonymous = MES_NORMAL;
3135 if (CC->room.QRflags & QR_ANONONLY) {
3136 anonymous = MES_ANONONLY;
3138 if (CC->room.QRflags & QR_ANONOPT) {
3139 if (anon_flag == 1) { /* only if the user requested it */
3140 anonymous = MES_ANONOPT;
3144 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
3148 /* If we're only checking the validity of the request, return
3149 * success without creating the message.
3152 cprintf("%d %s\n", CIT_OK,
3153 ((valid_to != NULL) ? valid_to->display_recp : "") );
3160 /* We don't need these anymore because we'll do it differently below */
3165 /* Handle author masquerading */
3166 if (CC->fake_postname[0]) {
3167 strcpy(masquerade_as, CC->fake_postname);
3169 else if (CC->fake_username[0]) {
3170 strcpy(masquerade_as, CC->fake_username);
3173 strcpy(masquerade_as, "");
3176 /* Read in the message from the client. */
3178 cprintf("%d send message\n", START_CHAT_MODE);
3180 cprintf("%d send message\n", SEND_LISTING);
3183 msg = CtdlMakeMessage(&CC->user, recp, cc,
3184 CC->room.QRname, anonymous, format_type,
3185 masquerade_as, subject,
3186 ((strlen(supplied_euid) > 0) ? supplied_euid : NULL),
3189 /* Put together one big recipients struct containing to/cc/bcc all in
3190 * one. This is for the envelope.
3192 char *all_recps = malloc(SIZ * 3);
3193 strcpy(all_recps, recp);
3194 if (strlen(cc) > 0) {
3195 if (strlen(all_recps) > 0) {
3196 strcat(all_recps, ",");
3198 strcat(all_recps, cc);
3200 if (strlen(bcc) > 0) {
3201 if (strlen(all_recps) > 0) {
3202 strcat(all_recps, ",");
3204 strcat(all_recps, bcc);
3206 if (strlen(all_recps) > 0) {
3207 valid = validate_recipients(all_recps);
3215 msgnum = CtdlSubmitMsg(msg, valid, "");
3218 cprintf("%ld\n", msgnum);
3220 cprintf("Message accepted.\n");
3223 cprintf("Internal error.\n");
3225 if (msg->cm_fields['E'] != NULL) {
3226 cprintf("%s\n", msg->cm_fields['E']);
3233 CtdlFreeMessage(msg);
3235 CC->fake_postname[0] = '\0';
3236 if (valid != NULL) {
3245 * API function to delete messages which match a set of criteria
3246 * (returns the actual number of messages deleted)
3248 int CtdlDeleteMessages(char *room_name, /* which room */
3249 long dmsgnum, /* or "0" for any */
3250 char *content_type, /* or "" for any */
3251 int deferred /* let TDAP sweep it later */
3255 struct ctdlroom qrbuf;
3256 struct cdbdata *cdbfr;
3257 long *msglist = NULL;
3258 long *dellist = NULL;
3261 int num_deleted = 0;
3263 struct MetaData smi;
3265 lprintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %ld, %s, %d)\n",
3266 room_name, dmsgnum, content_type, deferred);
3268 /* get room record, obtaining a lock... */
3269 if (lgetroom(&qrbuf, room_name) != 0) {
3270 lprintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
3272 return (0); /* room not found */
3274 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
3276 if (cdbfr != NULL) {
3277 dellist = malloc(cdbfr->len);
3278 msglist = (long *) cdbfr->ptr;
3279 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
3280 num_msgs = cdbfr->len / sizeof(long);
3284 for (i = 0; i < num_msgs; ++i) {
3287 /* Set/clear a bit for each criterion */
3289 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
3290 delete_this |= 0x01;
3292 if (strlen(content_type) == 0) {
3293 delete_this |= 0x02;
3295 GetMetaData(&smi, msglist[i]);
3296 if (!strcasecmp(smi.meta_content_type,
3298 delete_this |= 0x02;
3302 /* Delete message only if all bits are set */
3303 if (delete_this == 0x03) {
3304 dellist[num_deleted++] = msglist[i];
3309 num_msgs = sort_msglist(msglist, num_msgs);
3310 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
3311 msglist, (int)(num_msgs * sizeof(long)));
3313 qrbuf.QRhighest = msglist[num_msgs - 1];
3318 * If the delete operation is "deferred" (and technically, any delete
3319 * operation not performed by THE DREADED AUTO-PURGER ought to be
3320 * a deferred delete) then we save a pointer to the message in the
3321 * DELETED_MSGS_ROOM. This will cause the reference count to remain
3322 * at least 1, which will save the user from having to synchronously
3323 * wait for various disk-intensive operations to complete.
3325 if ( (deferred) && (num_deleted) ) {
3326 for (i=0; i<num_deleted; ++i) {
3327 CtdlCopyMsgToRoom(dellist[i], DELETED_MSGS_ROOM);
3331 /* Go through the messages we pulled out of the index, and decrement
3332 * their reference counts by 1. If this is the only room the message
3333 * was in, the reference count will reach zero and the message will
3334 * automatically be deleted from the database. We do this in a
3335 * separate pass because there might be plug-in hooks getting called,
3336 * and we don't want that happening during an S_ROOMS critical
3339 if (num_deleted) for (i=0; i<num_deleted; ++i) {
3340 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
3341 AdjRefCount(dellist[i], -1);
3344 /* Now free the memory we used, and go away. */
3345 if (msglist != NULL) free(msglist);
3346 if (dellist != NULL) free(dellist);
3347 lprintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
3348 return (num_deleted);
3354 * Check whether the current user has permission to delete messages from
3355 * the current room (returns 1 for yes, 0 for no)
3357 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
3358 getuser(&CC->user, CC->curr_user);
3359 if ((CC->user.axlevel < 6)
3360 && (CC->user.usernum != CC->room.QRroomaide)
3361 && ((CC->room.QRflags & QR_MAILBOX) == 0)
3362 && (!(CC->internal_pgm))) {
3371 * Delete message from current room
3373 void cmd_dele(char *delstr)
3378 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
3379 cprintf("%d Higher access required.\n",
3380 ERROR + HIGHER_ACCESS_REQUIRED);
3383 delnum = extract_long(delstr, 0);
3385 num_deleted = CtdlDeleteMessages(CC->room.QRname, delnum, "", 1);
3388 cprintf("%d %d message%s deleted.\n", CIT_OK,
3389 num_deleted, ((num_deleted != 1) ? "s" : ""));
3391 cprintf("%d Message %ld not found.\n", ERROR + MESSAGE_NOT_FOUND, delnum);
3397 * Back end API function for moves and deletes
3399 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
3402 err = CtdlSaveMsgPointerInRoom(dest, msgnum, 1, NULL);
3403 if (err != 0) return(err);
3411 * move or copy a message to another room
3413 void cmd_move(char *args)
3416 char targ[ROOMNAMELEN];
3417 struct ctdlroom qtemp;
3423 num = extract_long(args, 0);
3424 extract_token(targ, args, 1, '|', sizeof targ);
3425 convert_room_name_macros(targ, sizeof targ);
3426 targ[ROOMNAMELEN - 1] = 0;
3427 is_copy = extract_int(args, 2);
3429 if (getroom(&qtemp, targ) != 0) {
3430 cprintf("%d '%s' does not exist.\n",
3431 ERROR + ROOM_NOT_FOUND, targ);
3435 getuser(&CC->user, CC->curr_user);
3436 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
3438 /* Check for permission to perform this operation.
3439 * Remember: "CC->room" is source, "qtemp" is target.
3443 /* Aides can move/copy */
3444 if (CC->user.axlevel >= 6) permit = 1;
3446 /* Room aides can move/copy */
3447 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
3449 /* Permit move/copy from personal rooms */
3450 if ((CC->room.QRflags & QR_MAILBOX)
3451 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3453 /* Permit only copy from public to personal room */
3455 && (!(CC->room.QRflags & QR_MAILBOX))
3456 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3458 /* User must have access to target room */
3459 if (!(ra & UA_KNOWN)) permit = 0;
3462 cprintf("%d Higher access required.\n",
3463 ERROR + HIGHER_ACCESS_REQUIRED);
3467 err = CtdlCopyMsgToRoom(num, targ);
3469 cprintf("%d Cannot store message in %s: error %d\n",
3474 /* Now delete the message from the source room,
3475 * if this is a 'move' rather than a 'copy' operation.
3478 CtdlDeleteMessages(CC->room.QRname, num, "", 0);
3481 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
3487 * GetMetaData() - Get the supplementary record for a message
3489 void GetMetaData(struct MetaData *smibuf, long msgnum)
3492 struct cdbdata *cdbsmi;
3495 memset(smibuf, 0, sizeof(struct MetaData));
3496 smibuf->meta_msgnum = msgnum;
3497 smibuf->meta_refcount = 1; /* Default reference count is 1 */
3499 /* Use the negative of the message number for its supp record index */
3500 TheIndex = (0L - msgnum);
3502 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
3503 if (cdbsmi == NULL) {
3504 return; /* record not found; go with defaults */
3506 memcpy(smibuf, cdbsmi->ptr,
3507 ((cdbsmi->len > sizeof(struct MetaData)) ?
3508 sizeof(struct MetaData) : cdbsmi->len));
3515 * PutMetaData() - (re)write supplementary record for a message
3517 void PutMetaData(struct MetaData *smibuf)
3521 /* Use the negative of the message number for the metadata db index */
3522 TheIndex = (0L - smibuf->meta_msgnum);
3524 lprintf(CTDL_DEBUG, "PutMetaData(%ld) - ref count is %d\n",
3525 smibuf->meta_msgnum, smibuf->meta_refcount);
3527 cdb_store(CDB_MSGMAIN,
3528 &TheIndex, (int)sizeof(long),
3529 smibuf, (int)sizeof(struct MetaData));
3534 * AdjRefCount - change the reference count for a message;
3535 * delete the message if it reaches zero
3537 void AdjRefCount(long msgnum, int incr)
3540 struct MetaData smi;
3543 /* This is a *tight* critical section; please keep it that way, as
3544 * it may get called while nested in other critical sections.
3545 * Complicating this any further will surely cause deadlock!
3547 begin_critical_section(S_SUPPMSGMAIN);
3548 GetMetaData(&smi, msgnum);
3549 smi.meta_refcount += incr;
3551 end_critical_section(S_SUPPMSGMAIN);
3552 lprintf(CTDL_DEBUG, "msg %ld ref count incr %d, is now %d\n",
3553 msgnum, incr, smi.meta_refcount);
3555 /* If the reference count is now zero, delete the message
3556 * (and its supplementary record as well).
3558 if (smi.meta_refcount == 0) {
3559 lprintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
3561 /* Remove from fulltext index */
3562 if (config.c_enable_fulltext) {
3563 ft_index_message(msgnum, 0);
3566 /* Remove from message base */
3568 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
3569 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
3571 /* Remove metadata record */
3572 delnum = (0L - msgnum);
3573 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
3578 * Write a generic object to this room
3580 * Note: this could be much more efficient. Right now we use two temporary
3581 * files, and still pull the message into memory as with all others.
3583 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3584 char *content_type, /* MIME type of this object */
3585 char *tempfilename, /* Where to fetch it from */
3586 struct ctdluser *is_mailbox, /* Mailbox room? */
3587 int is_binary, /* Is encoding necessary? */
3588 int is_unique, /* Del others of this type? */
3589 unsigned int flags /* Internal save flags */
3594 struct ctdlroom qrbuf;
3595 char roomname[ROOMNAMELEN];
3596 struct CtdlMessage *msg;
3598 char *raw_message = NULL;
3599 char *encoded_message = NULL;
3600 off_t raw_length = 0;
3602 if (is_mailbox != NULL) {
3603 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
3606 safestrncpy(roomname, req_room, sizeof(roomname));
3609 fp = fopen(tempfilename, "rb");
3611 lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
3612 tempfilename, strerror(errno));
3615 fseek(fp, 0L, SEEK_END);
3616 raw_length = ftell(fp);
3618 lprintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
3620 raw_message = malloc((size_t)raw_length + 2);
3621 fread(raw_message, (size_t)raw_length, 1, fp);
3625 encoded_message = malloc((size_t)
3626 (((raw_length * 134) / 100) + 4096 ) );
3629 encoded_message = malloc((size_t)(raw_length + 4096));
3632 sprintf(encoded_message, "Content-type: %s\n", content_type);
3635 sprintf(&encoded_message[strlen(encoded_message)],
3636 "Content-transfer-encoding: base64\n\n"
3640 sprintf(&encoded_message[strlen(encoded_message)],
3641 "Content-transfer-encoding: 7bit\n\n"
3647 &encoded_message[strlen(encoded_message)],
3653 raw_message[raw_length] = 0;
3655 &encoded_message[strlen(encoded_message)],
3663 lprintf(CTDL_DEBUG, "Allocating\n");
3664 msg = malloc(sizeof(struct CtdlMessage));
3665 memset(msg, 0, sizeof(struct CtdlMessage));
3666 msg->cm_magic = CTDLMESSAGE_MAGIC;
3667 msg->cm_anon_type = MES_NORMAL;
3668 msg->cm_format_type = 4;
3669 msg->cm_fields['A'] = strdup(CC->user.fullname);
3670 msg->cm_fields['O'] = strdup(req_room);
3671 msg->cm_fields['N'] = strdup(config.c_nodename);
3672 msg->cm_fields['H'] = strdup(config.c_humannode);
3673 msg->cm_flags = flags;
3675 msg->cm_fields['M'] = encoded_message;
3677 /* Create the requested room if we have to. */
3678 if (getroom(&qrbuf, roomname) != 0) {
3679 create_room(roomname,
3680 ( (is_mailbox != NULL) ? 5 : 3 ),
3681 "", 0, 1, 0, VIEW_BBS);
3683 /* If the caller specified this object as unique, delete all
3684 * other objects of this type that are currently in the room.
3687 lprintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
3688 CtdlDeleteMessages(roomname, 0L, content_type, 0)
3691 /* Now write the data */
3692 CtdlSubmitMsg(msg, NULL, roomname);
3693 CtdlFreeMessage(msg);
3701 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
3702 config_msgnum = msgnum;
3706 char *CtdlGetSysConfig(char *sysconfname) {
3707 char hold_rm[ROOMNAMELEN];
3710 struct CtdlMessage *msg;
3713 strcpy(hold_rm, CC->room.QRname);
3714 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
3715 getroom(&CC->room, hold_rm);
3720 /* We want the last (and probably only) config in this room */
3721 begin_critical_section(S_CONFIG);
3722 config_msgnum = (-1L);
3723 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
3724 CtdlGetSysConfigBackend, NULL);
3725 msgnum = config_msgnum;
3726 end_critical_section(S_CONFIG);
3732 msg = CtdlFetchMessage(msgnum, 1);
3734 conf = strdup(msg->cm_fields['M']);
3735 CtdlFreeMessage(msg);
3742 getroom(&CC->room, hold_rm);
3744 if (conf != NULL) do {
3745 extract_token(buf, conf, 0, '\n', sizeof buf);
3746 strcpy(conf, &conf[strlen(buf)+1]);
3747 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
3752 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
3753 char temp[PATH_MAX];
3756 CtdlMakeTempFileName(temp, sizeof temp);
3758 fp = fopen(temp, "w");
3759 if (fp == NULL) return;
3760 fprintf(fp, "%s", sysconfdata);
3763 /* this handy API function does all the work for us */
3764 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
3770 * Determine whether a given Internet address belongs to the current user
3772 int CtdlIsMe(char *addr, int addr_buf_len)
3774 struct recptypes *recp;
3777 recp = validate_recipients(addr);
3778 if (recp == NULL) return(0);
3780 if (recp->num_local == 0) {
3785 for (i=0; i<recp->num_local; ++i) {
3786 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
3787 if (!strcasecmp(addr, CC->user.fullname)) {
3799 * Citadel protocol command to do the same
3801 void cmd_isme(char *argbuf) {
3804 if (CtdlAccessCheck(ac_logged_in)) return;
3805 extract_token(addr, argbuf, 0, '|', sizeof addr);
3807 if (CtdlIsMe(addr, sizeof addr)) {
3808 cprintf("%d %s\n", CIT_OK, addr);
3811 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);