4 * Implements the message store.
14 #if TIME_WITH_SYS_TIME
15 # include <sys/time.h>
19 # include <sys/time.h>
34 #include "serv_extensions.h"
38 #include "sysdep_decls.h"
39 #include "citserver.h"
46 #include "mime_parser.h"
49 #include "internet_addressing.h"
50 #include "serv_fulltext.h"
52 #include "euidindex.h"
53 #include "journaling.h"
54 #include "citadel_dirs.h"
55 #include "serv_network.h"
58 # include "serv_sieve.h"
59 #endif /* HAVE_LIBSIEVE */
62 struct addresses_to_be_filed *atbf = NULL;
65 * This really belongs in serv_network.c, but I don't know how to export
66 * symbols between modules.
68 struct FilterList *filterlist = NULL;
72 * These are the four-character field headers we use when outputting
73 * messages in Citadel format (as opposed to RFC822 format).
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,
82 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
83 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
111 * This function is self explanatory.
112 * (What can I say, I'm in a weird mood today...)
114 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
118 for (i = 0; i < strlen(name); ++i) {
119 if (name[i] == '@') {
120 while (isspace(name[i - 1]) && i > 0) {
121 strcpy(&name[i - 1], &name[i]);
124 while (isspace(name[i + 1])) {
125 strcpy(&name[i + 1], &name[i + 2]);
133 * Aliasing for network mail.
134 * (Error messages have been commented out, because this is a server.)
136 int alias(char *name)
137 { /* process alias and routing info for mail */
140 char aaa[SIZ], bbb[SIZ];
141 char *ignetcfg = NULL;
142 char *ignetmap = NULL;
149 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
150 stripallbut(name, '<', '>');
152 fp = fopen(file_mail_aliases, "r");
154 fp = fopen("/dev/null", "r");
161 while (fgets(aaa, sizeof aaa, fp) != NULL) {
162 while (isspace(name[0]))
163 strcpy(name, &name[1]);
164 aaa[strlen(aaa) - 1] = 0;
166 for (a = 0; a < strlen(aaa); ++a) {
168 strcpy(bbb, &aaa[a + 1]);
172 if (!strcasecmp(name, aaa))
177 /* Hit the Global Address Book */
178 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
182 lprintf(CTDL_INFO, "Mail is being forwarded to %s\n", name);
184 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
185 for (a=0; a<strlen(name); ++a) {
186 if (name[a] == '@') {
187 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
189 lprintf(CTDL_INFO, "Changed to <%s>\n", name);
194 /* determine local or remote type, see citadel.h */
195 at = haschar(name, '@');
196 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
197 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
198 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
200 /* figure out the delivery mode */
201 extract_token(node, name, 1, '@', sizeof node);
203 /* If there are one or more dots in the nodename, we assume that it
204 * is an FQDN and will attempt SMTP delivery to the Internet.
206 if (haschar(node, '.') > 0) {
207 return(MES_INTERNET);
210 /* Otherwise we look in the IGnet maps for a valid Citadel node.
211 * Try directly-connected nodes first...
213 ignetcfg = CtdlGetSysConfig(IGNETCFG);
214 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
215 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
216 extract_token(testnode, buf, 0, '|', sizeof testnode);
217 if (!strcasecmp(node, testnode)) {
225 * Then try nodes that are two or more hops away.
227 ignetmap = CtdlGetSysConfig(IGNETMAP);
228 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
229 extract_token(buf, ignetmap, i, '\n', sizeof buf);
230 extract_token(testnode, buf, 0, '|', sizeof testnode);
231 if (!strcasecmp(node, testnode)) {
238 /* If we get to this point it's an invalid node name */
247 fp = fopen(file_citadel_control, "r");
249 lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
250 file_citadel_control,
254 fread((char *) &CitControl, sizeof(struct CitControl), 1, fp);
260 * Back end for the MSGS command: output message number only.
262 void simple_listing(long msgnum, void *userdata)
264 cprintf("%ld\n", msgnum);
270 * Back end for the MSGS command: output header summary.
272 void headers_listing(long msgnum, void *userdata)
274 struct CtdlMessage *msg;
276 msg = CtdlFetchMessage(msgnum, 0);
278 cprintf("%ld|0|||||\n", msgnum);
282 cprintf("%ld|%s|%s|%s|%s|%s|\n",
284 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
285 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
286 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
287 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
288 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
290 CtdlFreeMessage(msg);
295 /* Determine if a given message matches the fields in a message template.
296 * Return 0 for a successful match.
298 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
301 /* If there aren't any fields in the template, all messages will
304 if (template == NULL) return(0);
306 /* Null messages are bogus. */
307 if (msg == NULL) return(1);
309 for (i='A'; i<='Z'; ++i) {
310 if (template->cm_fields[i] != NULL) {
311 if (msg->cm_fields[i] == NULL) {
314 if (strcasecmp(msg->cm_fields[i],
315 template->cm_fields[i])) return 1;
319 /* All compares succeeded: we have a match! */
326 * Retrieve the "seen" message list for the current room.
328 void CtdlGetSeen(char *buf, int which_set) {
331 /* Learn about the user and room in question */
332 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
334 if (which_set == ctdlsetseen_seen)
335 safestrncpy(buf, vbuf.v_seen, SIZ);
336 if (which_set == ctdlsetseen_answered)
337 safestrncpy(buf, vbuf.v_answered, SIZ);
343 * Manipulate the "seen msgs" string (or other message set strings)
345 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
346 int target_setting, int which_set,
347 struct ctdluser *which_user, struct ctdlroom *which_room) {
348 struct cdbdata *cdbfr;
360 char *is_set; /* actually an array of booleans */
363 char setstr[SIZ], lostr[SIZ], histr[SIZ];
366 lprintf(CTDL_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %d, %d)\n",
367 num_target_msgnums, target_msgnums[0],
368 target_setting, which_set);
370 /* Learn about the user and room in question */
371 CtdlGetRelationship(&vbuf,
372 ((which_user != NULL) ? which_user : &CC->user),
373 ((which_room != NULL) ? which_room : &CC->room)
376 /* Load the message list */
377 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
379 msglist = (long *) cdbfr->ptr;
380 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
381 num_msgs = cdbfr->len / sizeof(long);
384 return; /* No messages at all? No further action. */
387 is_set = malloc(num_msgs * sizeof(char));
388 memset(is_set, 0, (num_msgs * sizeof(char)) );
390 /* Decide which message set we're manipulating */
392 case ctdlsetseen_seen:
393 safestrncpy(vset, vbuf.v_seen, sizeof vset);
395 case ctdlsetseen_answered:
396 safestrncpy(vset, vbuf.v_answered, sizeof vset);
400 /* lprintf(CTDL_DEBUG, "before optimize: %s\n", vset); */
402 /* Translate the existing sequence set into an array of booleans */
403 num_sets = num_tokens(vset, ',');
404 for (s=0; s<num_sets; ++s) {
405 extract_token(setstr, vset, s, ',', sizeof setstr);
407 extract_token(lostr, setstr, 0, ':', sizeof lostr);
408 if (num_tokens(setstr, ':') >= 2) {
409 extract_token(histr, setstr, 1, ':', sizeof histr);
410 if (!strcmp(histr, "*")) {
411 snprintf(histr, sizeof histr, "%ld", LONG_MAX);
415 strcpy(histr, lostr);
420 for (i = 0; i < num_msgs; ++i) {
421 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
427 /* Now translate the array of booleans back into a sequence set */
432 for (i=0; i<num_msgs; ++i) {
434 is_seen = is_set[i]; /* Default to existing setting */
436 for (k=0; k<num_target_msgnums; ++k) {
437 if (msglist[i] == target_msgnums[k]) {
438 is_seen = target_setting;
443 if (lo < 0L) lo = msglist[i];
447 if ( ((is_seen == 0) && (was_seen == 1))
448 || ((is_seen == 1) && (i == num_msgs-1)) ) {
450 /* begin trim-o-matic code */
453 while ( (strlen(vset) + 20) > sizeof vset) {
454 remove_token(vset, 0, ',');
456 if (j--) break; /* loop no more than 9 times */
458 if ( (trimming) && (which_set == ctdlsetseen_seen) ) {
462 snprintf(lostr, sizeof lostr,
463 "1:%ld,%s", t, vset);
464 safestrncpy(vset, lostr, sizeof vset);
466 /* end trim-o-matic code */
474 snprintf(&vset[tmp], (sizeof vset) - tmp,
478 snprintf(&vset[tmp], (sizeof vset) - tmp,
487 /* Decide which message set we're manipulating */
489 case ctdlsetseen_seen:
490 safestrncpy(vbuf.v_seen, vset, sizeof vbuf.v_seen);
492 case ctdlsetseen_answered:
493 safestrncpy(vbuf.v_answered, vset,
494 sizeof vbuf.v_answered);
499 /* lprintf(CTDL_DEBUG, " after optimize: %s\n", vset); */
501 CtdlSetRelationship(&vbuf,
502 ((which_user != NULL) ? which_user : &CC->user),
503 ((which_room != NULL) ? which_room : &CC->room)
509 * API function to perform an operation for each qualifying message in the
510 * current room. (Returns the number of messages processed.)
512 int CtdlForEachMessage(int mode, long ref, char *search_string,
514 struct CtdlMessage *compare,
515 void (*CallBack) (long, void *),
521 struct cdbdata *cdbfr;
522 long *msglist = NULL;
524 int num_processed = 0;
527 struct CtdlMessage *msg;
530 int printed_lastold = 0;
531 int num_search_msgs = 0;
532 long *search_msgs = NULL;
534 /* Learn about the user and room in question */
536 getuser(&CC->user, CC->curr_user);
537 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
539 /* Load the message list */
540 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
542 msglist = (long *) cdbfr->ptr;
543 cdbfr->ptr = NULL; /* CtdlForEachMessage() now owns this memory */
544 num_msgs = cdbfr->len / sizeof(long);
547 return 0; /* No messages at all? No further action. */
552 * Now begin the traversal.
554 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
556 /* If the caller is looking for a specific MIME type, filter
557 * out all messages which are not of the type requested.
559 if (content_type != NULL) if (strlen(content_type) > 0) {
561 /* This call to GetMetaData() sits inside this loop
562 * so that we only do the extra database read per msg
563 * if we need to. Doing the extra read all the time
564 * really kills the server. If we ever need to use
565 * metadata for another search criterion, we need to
566 * move the read somewhere else -- but still be smart
567 * enough to only do the read if the caller has
568 * specified something that will need it.
570 GetMetaData(&smi, msglist[a]);
572 if (strcasecmp(smi.meta_content_type, content_type)) {
578 num_msgs = sort_msglist(msglist, num_msgs);
580 /* If a template was supplied, filter out the messages which
581 * don't match. (This could induce some delays!)
584 if (compare != NULL) {
585 for (a = 0; a < num_msgs; ++a) {
586 msg = CtdlFetchMessage(msglist[a], 1);
588 if (CtdlMsgCmp(msg, compare)) {
591 CtdlFreeMessage(msg);
597 /* If a search string was specified, get a message list from
598 * the full text index and remove messages which aren't on both
602 * Since the lists are sorted and strictly ascending, and the
603 * output list is guaranteed to be shorter than or equal to the
604 * input list, we overwrite the bottom of the input list. This
605 * eliminates the need to memmove big chunks of the list over and
608 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
609 ft_search(&num_search_msgs, &search_msgs, search_string);
610 if (num_search_msgs > 0) {
614 orig_num_msgs = num_msgs;
616 for (i=0; i<orig_num_msgs; ++i) {
617 for (j=0; j<num_search_msgs; ++j) {
618 if (msglist[i] == search_msgs[j]) {
619 msglist[num_msgs++] = msglist[i];
625 num_msgs = 0; /* No messages qualify */
627 if (search_msgs != NULL) free(search_msgs);
629 /* Now that we've purged messages which don't contain the search
630 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
637 * Now iterate through the message list, according to the
638 * criteria supplied by the caller.
641 for (a = 0; a < num_msgs; ++a) {
642 thismsg = msglist[a];
643 if (mode == MSGS_ALL) {
647 is_seen = is_msg_in_sequence_set(
648 vbuf.v_seen, thismsg);
649 if (is_seen) lastold = thismsg;
655 || ((mode == MSGS_OLD) && (is_seen))
656 || ((mode == MSGS_NEW) && (!is_seen))
657 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
658 || ((mode == MSGS_FIRST) && (a < ref))
659 || ((mode == MSGS_GT) && (thismsg > ref))
660 || ((mode == MSGS_EQ) && (thismsg == ref))
663 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
665 CallBack(lastold, userdata);
669 if (CallBack) CallBack(thismsg, userdata);
673 free(msglist); /* Clean up */
674 return num_processed;
680 * cmd_msgs() - get list of message #'s in this room
681 * implements the MSGS server command using CtdlForEachMessage()
683 void cmd_msgs(char *cmdbuf)
692 int with_template = 0;
693 struct CtdlMessage *template = NULL;
694 int with_headers = 0;
695 char search_string[1024];
697 extract_token(which, cmdbuf, 0, '|', sizeof which);
698 cm_ref = extract_int(cmdbuf, 1);
699 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
700 with_template = extract_int(cmdbuf, 2);
701 with_headers = extract_int(cmdbuf, 3);
704 if (!strncasecmp(which, "OLD", 3))
706 else if (!strncasecmp(which, "NEW", 3))
708 else if (!strncasecmp(which, "FIRST", 5))
710 else if (!strncasecmp(which, "LAST", 4))
712 else if (!strncasecmp(which, "GT", 2))
714 else if (!strncasecmp(which, "SEARCH", 6))
719 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
720 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
724 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
725 cprintf("%d Full text index is not enabled on this server.\n",
726 ERROR + CMD_NOT_SUPPORTED);
732 cprintf("%d Send template then receive message list\n",
734 template = (struct CtdlMessage *)
735 malloc(sizeof(struct CtdlMessage));
736 memset(template, 0, sizeof(struct CtdlMessage));
737 while(client_getln(buf, sizeof buf), strcmp(buf,"000")) {
738 extract_token(tfield, buf, 0, '|', sizeof tfield);
739 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
740 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
741 if (!strcasecmp(tfield, msgkeys[i])) {
742 template->cm_fields[i] =
750 cprintf("%d \n", LISTING_FOLLOWS);
753 CtdlForEachMessage(mode,
754 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
755 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
758 (with_headers ? headers_listing : simple_listing),
761 if (template != NULL) CtdlFreeMessage(template);
769 * help_subst() - support routine for help file viewer
771 void help_subst(char *strbuf, char *source, char *dest)
776 while (p = pattern2(strbuf, source), (p >= 0)) {
777 strcpy(workbuf, &strbuf[p + strlen(source)]);
778 strcpy(&strbuf[p], dest);
779 strcat(strbuf, workbuf);
784 void do_help_subst(char *buffer)
788 help_subst(buffer, "^nodename", config.c_nodename);
789 help_subst(buffer, "^humannode", config.c_humannode);
790 help_subst(buffer, "^fqdn", config.c_fqdn);
791 help_subst(buffer, "^username", CC->user.fullname);
792 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
793 help_subst(buffer, "^usernum", buf2);
794 help_subst(buffer, "^sysadm", config.c_sysadm);
795 help_subst(buffer, "^variantname", CITADEL);
796 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
797 help_subst(buffer, "^maxsessions", buf2);
798 help_subst(buffer, "^bbsdir", ctdl_bbsbase_dir);
804 * memfmout() - Citadel text formatter and paginator.
805 * Although the original purpose of this routine was to format
806 * text to the reader's screen width, all we're really using it
807 * for here is to format text out to 80 columns before sending it
808 * to the client. The client software may reformat it again.
811 char *mptr, /* where are we going to get our text from? */
812 char subst, /* nonzero if we should do substitutions */
813 char *nl) /* string to terminate lines with */
821 static int width = 80;
826 c = 1; /* c is the current pos */
830 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
832 buffer[strlen(buffer) + 1] = 0;
833 buffer[strlen(buffer)] = ch;
836 if (buffer[0] == '^')
837 do_help_subst(buffer);
839 buffer[strlen(buffer) + 1] = 0;
841 strcpy(buffer, &buffer[1]);
849 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10)) {
852 if (((old == 13) || (old == 10)) && (isspace(real))) {
857 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
858 cprintf("%s%s", nl, aaa);
867 if ((strlen(aaa) + c) > (width - 5)) {
876 if ((ch == 13) || (ch == 10)) {
877 cprintf("%s%s", aaa, nl);
884 cprintf("%s%s", aaa, nl);
890 * Callback function for mime parser that simply lists the part
892 void list_this_part(char *name, char *filename, char *partnum, char *disp,
893 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
898 ma = (struct ma_info *)cbuserdata;
899 if (ma->is_ma == 0) {
900 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
901 name, filename, partnum, disp, cbtype, (long)length);
906 * Callback function for multipart prefix
908 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
909 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
914 ma = (struct ma_info *)cbuserdata;
915 if (!strcasecmp(cbtype, "multipart/alternative")) {
919 if (ma->is_ma == 0) {
920 cprintf("pref=%s|%s\n", partnum, cbtype);
925 * Callback function for multipart sufffix
927 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
928 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
933 ma = (struct ma_info *)cbuserdata;
934 if (ma->is_ma == 0) {
935 cprintf("suff=%s|%s\n", partnum, cbtype);
937 if (!strcasecmp(cbtype, "multipart/alternative")) {
944 * Callback function for mime parser that opens a section for downloading
946 void mime_download(char *name, char *filename, char *partnum, char *disp,
947 void *content, char *cbtype, char *cbcharset, size_t length,
948 char *encoding, void *cbuserdata)
951 /* Silently go away if there's already a download open... */
952 if (CC->download_fp != NULL)
955 /* ...or if this is not the desired section */
956 if (strcasecmp(CC->download_desired_section, partnum))
959 CC->download_fp = tmpfile();
960 if (CC->download_fp == NULL)
963 fwrite(content, length, 1, CC->download_fp);
964 fflush(CC->download_fp);
965 rewind(CC->download_fp);
967 OpenCmdResult(filename, cbtype);
973 * Callback function for mime parser that outputs a section all at once
975 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
976 void *content, char *cbtype, char *cbcharset, size_t length,
977 char *encoding, void *cbuserdata)
979 int *found_it = (int *)cbuserdata;
981 /* ...or if this is not the desired section */
982 if (strcasecmp(CC->download_desired_section, partnum))
987 cprintf("%d %d\n", BINARY_FOLLOWS, length);
988 client_write(content, length);
994 * Load a message from disk into memory.
995 * This is used by CtdlOutputMsg() and other fetch functions.
997 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
998 * using the CtdlMessageFree() function.
1000 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1002 struct cdbdata *dmsgtext;
1003 struct CtdlMessage *ret = NULL;
1007 cit_uint8_t field_header;
1009 lprintf(CTDL_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1011 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1012 if (dmsgtext == NULL) {
1015 mptr = dmsgtext->ptr;
1016 upper_bound = mptr + dmsgtext->len;
1018 /* Parse the three bytes that begin EVERY message on disk.
1019 * The first is always 0xFF, the on-disk magic number.
1020 * The second is the anonymous/public type byte.
1021 * The third is the format type byte (vari, fixed, or MIME).
1026 "Message %ld appears to be corrupted.\n",
1031 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1032 memset(ret, 0, sizeof(struct CtdlMessage));
1034 ret->cm_magic = CTDLMESSAGE_MAGIC;
1035 ret->cm_anon_type = *mptr++; /* Anon type byte */
1036 ret->cm_format_type = *mptr++; /* Format type byte */
1039 * The rest is zero or more arbitrary fields. Load them in.
1040 * We're done when we encounter either a zero-length field or
1041 * have just processed the 'M' (message text) field.
1044 if (mptr >= upper_bound) {
1047 field_header = *mptr++;
1048 ret->cm_fields[field_header] = strdup(mptr);
1050 while (*mptr++ != 0); /* advance to next field */
1052 } while ((mptr < upper_bound) && (field_header != 'M'));
1056 /* Always make sure there's something in the msg text field. If
1057 * it's NULL, the message text is most likely stored separately,
1058 * so go ahead and fetch that. Failing that, just set a dummy
1059 * body so other code doesn't barf.
1061 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1062 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1063 if (dmsgtext != NULL) {
1064 ret->cm_fields['M'] = strdup(dmsgtext->ptr);
1068 if (ret->cm_fields['M'] == NULL) {
1069 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1072 /* Perform "before read" hooks (aborting if any return nonzero) */
1073 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1074 CtdlFreeMessage(ret);
1083 * Returns 1 if the supplied pointer points to a valid Citadel message.
1084 * If the pointer is NULL or the magic number check fails, returns 0.
1086 int is_valid_message(struct CtdlMessage *msg) {
1089 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1090 lprintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
1098 * 'Destructor' for struct CtdlMessage
1100 void CtdlFreeMessage(struct CtdlMessage *msg)
1104 if (is_valid_message(msg) == 0) return;
1106 for (i = 0; i < 256; ++i)
1107 if (msg->cm_fields[i] != NULL) {
1108 free(msg->cm_fields[i]);
1111 msg->cm_magic = 0; /* just in case */
1117 * Pre callback function for multipart/alternative
1119 * NOTE: this differs from the standard behavior for a reason. Normally when
1120 * displaying multipart/alternative you want to show the _last_ usable
1121 * format in the message. Here we show the _first_ one, because it's
1122 * usually text/plain. Since this set of functions is designed for text
1123 * output to non-MIME-aware clients, this is the desired behavior.
1126 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1127 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1132 ma = (struct ma_info *)cbuserdata;
1133 lprintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1134 if (!strcasecmp(cbtype, "multipart/alternative")) {
1138 if (!strcasecmp(cbtype, "message/rfc822")) {
1144 * Post callback function for multipart/alternative
1146 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1147 void *content, char *cbtype, char *cbcharset, size_t length,
1148 char *encoding, void *cbuserdata)
1152 ma = (struct ma_info *)cbuserdata;
1153 lprintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1154 if (!strcasecmp(cbtype, "multipart/alternative")) {
1158 if (!strcasecmp(cbtype, "message/rfc822")) {
1164 * Inline callback function for mime parser that wants to display text
1166 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1167 void *content, char *cbtype, char *cbcharset, size_t length,
1168 char *encoding, void *cbuserdata)
1175 ma = (struct ma_info *)cbuserdata;
1178 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1179 partnum, filename, cbtype, (long)length);
1182 * If we're in the middle of a multipart/alternative scope and
1183 * we've already printed another section, skip this one.
1185 if ( (ma->is_ma) && (ma->did_print) ) {
1186 lprintf(CTDL_DEBUG, "Skipping part %s (%s)\n",
1192 if ( (!strcasecmp(cbtype, "text/plain"))
1193 || (strlen(cbtype)==0) ) {
1196 client_write(wptr, length);
1197 if (wptr[length-1] != '\n') {
1204 if (!strcasecmp(cbtype, "text/html")) {
1205 ptr = html_to_ascii(content, length, 80, 0);
1207 client_write(ptr, wlen);
1208 if (ptr[wlen-1] != '\n') {
1215 if (ma->use_fo_hooks) {
1216 if (PerformFixedOutputHooks(cbtype, content, length)) {
1217 /* above function returns nonzero if it handled the part */
1222 if (strncasecmp(cbtype, "multipart/", 10)) {
1223 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1224 partnum, filename, cbtype, (long)length);
1230 * The client is elegant and sophisticated and wants to be choosy about
1231 * MIME content types, so figure out which multipart/alternative part
1232 * we're going to send.
1234 * We use a system of weights. When we find a part that matches one of the
1235 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1236 * and then set ma->chosen_pref to that MIME type's position in our preference
1237 * list. If we then hit another match, we only replace the first match if
1238 * the preference value is lower.
1240 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1241 void *content, char *cbtype, char *cbcharset, size_t length,
1242 char *encoding, void *cbuserdata)
1248 ma = (struct ma_info *)cbuserdata;
1250 if (ma->is_ma > 0) {
1251 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1252 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1253 lprintf(CTDL_DEBUG, "Is <%s> == <%s> ??\n", buf, cbtype);
1254 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1255 if (i < ma->chosen_pref) {
1256 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1257 ma->chosen_pref = i;
1265 * Now that we've chosen our preferred part, output it.
1267 void output_preferred(char *name, char *filename, char *partnum, char *disp,
1268 void *content, char *cbtype, char *cbcharset, size_t length,
1269 char *encoding, void *cbuserdata)
1273 int add_newline = 0;
1277 ma = (struct ma_info *)cbuserdata;
1279 /* This is not the MIME part you're looking for... */
1280 if (strcasecmp(partnum, ma->chosen_part)) return;
1282 /* If the content-type of this part is in our preferred formats
1283 * list, we can simply output it verbatim.
1285 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1286 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1287 if (!strcasecmp(buf, cbtype)) {
1288 /* Yeah! Go! W00t!! */
1290 text_content = (char *)content;
1291 if (text_content[length-1] != '\n') {
1295 cprintf("Content-type: %s", cbtype);
1296 if (strlen(cbcharset) > 0) {
1297 cprintf("; charset=%s", cbcharset);
1299 cprintf("\nContent-length: %d\n",
1300 (int)(length + add_newline) );
1301 if (strlen(encoding) > 0) {
1302 cprintf("Content-transfer-encoding: %s\n", encoding);
1305 cprintf("Content-transfer-encoding: 7bit\n");
1308 client_write(content, length);
1309 if (add_newline) cprintf("\n");
1314 /* No translations required or possible: output as text/plain */
1315 cprintf("Content-type: text/plain\n\n");
1316 fixed_output(name, filename, partnum, disp, content, cbtype, cbcharset,
1317 length, encoding, cbuserdata);
1322 char desired_section[64];
1329 * Callback function for
1331 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1332 void *content, char *cbtype, char *cbcharset, size_t length,
1333 char *encoding, void *cbuserdata)
1335 struct encapmsg *encap;
1337 encap = (struct encapmsg *)cbuserdata;
1339 /* Only proceed if this is the desired section... */
1340 if (!strcasecmp(encap->desired_section, partnum)) {
1341 encap->msglen = length;
1342 encap->msg = malloc(length + 2);
1343 memcpy(encap->msg, content, length);
1353 * Get a message off disk. (returns om_* values found in msgbase.h)
1356 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1357 int mode, /* how would you like that message? */
1358 int headers_only, /* eschew the message body? */
1359 int do_proto, /* do Citadel protocol responses? */
1360 int crlf, /* Use CRLF newlines instead of LF? */
1361 char *section /* NULL or a message/rfc822 section */
1363 struct CtdlMessage *TheMessage = NULL;
1364 int retcode = om_no_such_msg;
1365 struct encapmsg encap;
1367 lprintf(CTDL_DEBUG, "CtdlOutputMsg() msgnum=%ld, mode=%d, section=%s\n",
1369 (section ? section : "<>")
1372 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1373 if (do_proto) cprintf("%d Not logged in.\n",
1374 ERROR + NOT_LOGGED_IN);
1375 return(om_not_logged_in);
1378 /* FIXME: check message id against msglist for this room */
1381 * Fetch the message from disk. If we're in any sort of headers
1382 * only mode, request that we don't even bother loading the body
1385 if ( (headers_only == HEADERS_FAST) || (headers_only == HEADERS_ONLY) ) {
1386 TheMessage = CtdlFetchMessage(msg_num, 0);
1389 TheMessage = CtdlFetchMessage(msg_num, 1);
1392 if (TheMessage == NULL) {
1393 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1394 ERROR + MESSAGE_NOT_FOUND, msg_num);
1395 return(om_no_such_msg);
1398 /* Here is the weird form of this command, to process only an
1399 * encapsulated message/rfc822 section.
1401 if (section) if (strlen(section)>0) if (strcmp(section, "0")) {
1402 memset(&encap, 0, sizeof encap);
1403 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1404 mime_parser(TheMessage->cm_fields['M'],
1406 *extract_encapsulated_message,
1407 NULL, NULL, (void *)&encap, 0
1409 CtdlFreeMessage(TheMessage);
1413 encap.msg[encap.msglen] = 0;
1414 TheMessage = convert_internet_message(encap.msg);
1415 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1417 /* Now we let it fall through to the bottom of this
1418 * function, because TheMessage now contains the
1419 * encapsulated message instead of the top-level
1420 * message. Isn't that neat?
1425 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1426 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1427 retcode = om_no_such_msg;
1432 /* Ok, output the message now */
1433 retcode = CtdlOutputPreLoadedMsg(
1435 headers_only, do_proto, crlf);
1436 CtdlFreeMessage(TheMessage);
1443 * Get a message off disk. (returns om_* values found in msgbase.h)
1446 int CtdlOutputPreLoadedMsg(
1447 struct CtdlMessage *TheMessage,
1448 int mode, /* how would you like that message? */
1449 int headers_only, /* eschew the message body? */
1450 int do_proto, /* do Citadel protocol responses? */
1451 int crlf /* Use CRLF newlines instead of LF? */
1457 char display_name[256];
1459 char *nl; /* newline string */
1461 int subject_found = 0;
1464 /* Buffers needed for RFC822 translation. These are all filled
1465 * using functions that are bounds-checked, and therefore we can
1466 * make them substantially smaller than SIZ.
1474 char datestamp[100];
1476 lprintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
1477 ((TheMessage == NULL) ? "NULL" : "not null"),
1478 mode, headers_only, do_proto, crlf);
1480 strcpy(mid, "unknown");
1481 nl = (crlf ? "\r\n" : "\n");
1483 if (!is_valid_message(TheMessage)) {
1485 "ERROR: invalid preloaded message for output\n");
1486 return(om_no_such_msg);
1489 /* Are we downloading a MIME component? */
1490 if (mode == MT_DOWNLOAD) {
1491 if (TheMessage->cm_format_type != FMT_RFC822) {
1493 cprintf("%d This is not a MIME message.\n",
1494 ERROR + ILLEGAL_VALUE);
1495 } else if (CC->download_fp != NULL) {
1496 if (do_proto) cprintf(
1497 "%d You already have a download open.\n",
1498 ERROR + RESOURCE_BUSY);
1500 /* Parse the message text component */
1501 mptr = TheMessage->cm_fields['M'];
1502 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
1503 /* If there's no file open by this time, the requested
1504 * section wasn't found, so print an error
1506 if (CC->download_fp == NULL) {
1507 if (do_proto) cprintf(
1508 "%d Section %s not found.\n",
1509 ERROR + FILE_NOT_FOUND,
1510 CC->download_desired_section);
1513 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1516 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
1517 * in a single server operation instead of opening a download file.
1519 if (mode == MT_SPEW_SECTION) {
1520 if (TheMessage->cm_format_type != FMT_RFC822) {
1522 cprintf("%d This is not a MIME message.\n",
1523 ERROR + ILLEGAL_VALUE);
1525 /* Parse the message text component */
1528 mptr = TheMessage->cm_fields['M'];
1529 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
1530 /* If section wasn't found, print an error
1533 if (do_proto) cprintf(
1534 "%d Section %s not found.\n",
1535 ERROR + FILE_NOT_FOUND,
1536 CC->download_desired_section);
1539 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1542 /* now for the user-mode message reading loops */
1543 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
1545 /* Does the caller want to skip the headers? */
1546 if (headers_only == HEADERS_NONE) goto START_TEXT;
1548 /* Tell the client which format type we're using. */
1549 if ( (mode == MT_CITADEL) && (do_proto) ) {
1550 cprintf("type=%d\n", TheMessage->cm_format_type);
1553 /* nhdr=yes means that we're only displaying headers, no body */
1554 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1555 && (mode == MT_CITADEL)
1558 cprintf("nhdr=yes\n");
1561 /* begin header processing loop for Citadel message format */
1563 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1565 safestrncpy(display_name, "<unknown>", sizeof display_name);
1566 if (TheMessage->cm_fields['A']) {
1567 strcpy(buf, TheMessage->cm_fields['A']);
1568 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1569 safestrncpy(display_name, "****", sizeof display_name);
1571 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1572 safestrncpy(display_name, "anonymous", sizeof display_name);
1575 safestrncpy(display_name, buf, sizeof display_name);
1577 if ((is_room_aide())
1578 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1579 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1580 size_t tmp = strlen(display_name);
1581 snprintf(&display_name[tmp],
1582 sizeof display_name - tmp,
1587 /* Don't show Internet address for users on the
1588 * local Citadel network.
1591 if (TheMessage->cm_fields['N'] != NULL)
1592 if (strlen(TheMessage->cm_fields['N']) > 0)
1593 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1597 /* Now spew the header fields in the order we like them. */
1598 safestrncpy(allkeys, FORDER, sizeof allkeys);
1599 for (i=0; i<strlen(allkeys); ++i) {
1600 k = (int) allkeys[i];
1602 if ( (TheMessage->cm_fields[k] != NULL)
1603 && (msgkeys[k] != NULL) ) {
1605 if (do_proto) cprintf("%s=%s\n",
1609 else if ((k == 'F') && (suppress_f)) {
1612 /* Masquerade display name if needed */
1614 if (do_proto) cprintf("%s=%s\n",
1616 TheMessage->cm_fields[k]
1625 /* begin header processing loop for RFC822 transfer format */
1630 strcpy(snode, NODENAME);
1631 strcpy(lnode, HUMANNODE);
1632 if (mode == MT_RFC822) {
1633 for (i = 0; i < 256; ++i) {
1634 if (TheMessage->cm_fields[i]) {
1635 mptr = TheMessage->cm_fields[i];
1638 safestrncpy(luser, mptr, sizeof luser);
1639 safestrncpy(suser, mptr, sizeof suser);
1641 else if (i == 'Y') {
1642 cprintf("CC: %s%s", mptr, nl);
1644 else if (i == 'P') {
1645 cprintf("Return-Path: %s%s", mptr, nl);
1647 else if (i == 'V') {
1648 cprintf("Envelope-To: %s%s", mptr, nl);
1650 else if (i == 'U') {
1651 cprintf("Subject: %s%s", mptr, nl);
1655 safestrncpy(mid, mptr, sizeof mid);
1657 safestrncpy(lnode, mptr, sizeof lnode);
1659 safestrncpy(fuser, mptr, sizeof fuser);
1660 /* else if (i == 'O')
1661 cprintf("X-Citadel-Room: %s%s",
1664 safestrncpy(snode, mptr, sizeof snode);
1666 cprintf("To: %s%s", mptr, nl);
1667 else if (i == 'T') {
1668 datestring(datestamp, sizeof datestamp,
1669 atol(mptr), DATESTRING_RFC822);
1670 cprintf("Date: %s%s", datestamp, nl);
1674 if (subject_found == 0) {
1675 cprintf("Subject: (no subject)%s", nl);
1679 for (i=0; i<strlen(suser); ++i) {
1680 suser[i] = tolower(suser[i]);
1681 if (!isalnum(suser[i])) suser[i]='_';
1684 if (mode == MT_RFC822) {
1685 if (!strcasecmp(snode, NODENAME)) {
1686 safestrncpy(snode, FQDN, sizeof snode);
1689 /* Construct a fun message id */
1690 cprintf("Message-ID: <%s", mid);
1691 if (strchr(mid, '@')==NULL) {
1692 cprintf("@%s", snode);
1696 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
1697 cprintf("From: \"----\" <x@x.org>%s", nl);
1699 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
1700 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
1702 else if (strlen(fuser) > 0) {
1703 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
1706 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
1709 cprintf("Organization: %s%s", lnode, nl);
1711 /* Blank line signifying RFC822 end-of-headers */
1712 if (TheMessage->cm_format_type != FMT_RFC822) {
1717 /* end header processing loop ... at this point, we're in the text */
1719 if (headers_only == HEADERS_FAST) goto DONE;
1720 mptr = TheMessage->cm_fields['M'];
1722 /* Tell the client about the MIME parts in this message */
1723 if (TheMessage->cm_format_type == FMT_RFC822) {
1724 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1725 memset(&ma, 0, sizeof(struct ma_info));
1726 mime_parser(mptr, NULL,
1727 (do_proto ? *list_this_part : NULL),
1728 (do_proto ? *list_this_pref : NULL),
1729 (do_proto ? *list_this_suff : NULL),
1732 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1733 char *start_of_text = NULL;
1734 start_of_text = strstr(mptr, "\n\r\n");
1735 if (start_of_text == NULL) start_of_text = strstr(mptr, "\n\n");
1736 if (start_of_text == NULL) start_of_text = mptr;
1738 start_of_text = strstr(start_of_text, "\n");
1740 while (ch=*mptr, ch!=0) {
1744 else switch(headers_only) {
1746 if (mptr >= start_of_text) {
1747 if (ch == 10) cprintf("%s", nl);
1748 else cprintf("%c", ch);
1752 if (mptr < start_of_text) {
1753 if (ch == 10) cprintf("%s", nl);
1754 else cprintf("%c", ch);
1758 if (ch == 10) cprintf("%s", nl);
1759 else cprintf("%c", ch);
1768 if (headers_only == HEADERS_ONLY) {
1772 /* signify start of msg text */
1773 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1774 if (do_proto) cprintf("text\n");
1777 /* If the format type on disk is 1 (fixed-format), then we want
1778 * everything to be output completely literally ... regardless of
1779 * what message transfer format is in use.
1781 if (TheMessage->cm_format_type == FMT_FIXED) {
1782 if (mode == MT_MIME) {
1783 cprintf("Content-type: text/plain\n\n");
1786 while (ch = *mptr++, ch > 0) {
1789 if ((ch == 10) || (strlen(buf) > 250)) {
1790 cprintf("%s%s", buf, nl);
1793 buf[strlen(buf) + 1] = 0;
1794 buf[strlen(buf)] = ch;
1797 if (strlen(buf) > 0)
1798 cprintf("%s%s", buf, nl);
1801 /* If the message on disk is format 0 (Citadel vari-format), we
1802 * output using the formatter at 80 columns. This is the final output
1803 * form if the transfer format is RFC822, but if the transfer format
1804 * is Citadel proprietary, it'll still work, because the indentation
1805 * for new paragraphs is correct and the client will reformat the
1806 * message to the reader's screen width.
1808 if (TheMessage->cm_format_type == FMT_CITADEL) {
1809 if (mode == MT_MIME) {
1810 cprintf("Content-type: text/x-citadel-variformat\n\n");
1812 memfmout(mptr, 0, nl);
1815 /* If the message on disk is format 4 (MIME), we've gotta hand it
1816 * off to the MIME parser. The client has already been told that
1817 * this message is format 1 (fixed format), so the callback function
1818 * we use will display those parts as-is.
1820 if (TheMessage->cm_format_type == FMT_RFC822) {
1821 memset(&ma, 0, sizeof(struct ma_info));
1823 if (mode == MT_MIME) {
1824 ma.use_fo_hooks = 0;
1825 strcpy(ma.chosen_part, "1");
1826 ma.chosen_pref = 9999;
1827 mime_parser(mptr, NULL,
1828 *choose_preferred, *fixed_output_pre,
1829 *fixed_output_post, (void *)&ma, 0);
1830 mime_parser(mptr, NULL,
1831 *output_preferred, NULL, NULL, (void *)&ma, 0);
1834 ma.use_fo_hooks = 1;
1835 mime_parser(mptr, NULL,
1836 *fixed_output, *fixed_output_pre,
1837 *fixed_output_post, (void *)&ma, 0);
1842 DONE: /* now we're done */
1843 if (do_proto) cprintf("000\n");
1850 * display a message (mode 0 - Citadel proprietary)
1852 void cmd_msg0(char *cmdbuf)
1855 int headers_only = HEADERS_ALL;
1857 msgid = extract_long(cmdbuf, 0);
1858 headers_only = extract_int(cmdbuf, 1);
1860 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL);
1866 * display a message (mode 2 - RFC822)
1868 void cmd_msg2(char *cmdbuf)
1871 int headers_only = HEADERS_ALL;
1873 msgid = extract_long(cmdbuf, 0);
1874 headers_only = extract_int(cmdbuf, 1);
1876 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL);
1882 * display a message (mode 3 - IGnet raw format - internal programs only)
1884 void cmd_msg3(char *cmdbuf)
1887 struct CtdlMessage *msg;
1890 if (CC->internal_pgm == 0) {
1891 cprintf("%d This command is for internal programs only.\n",
1892 ERROR + HIGHER_ACCESS_REQUIRED);
1896 msgnum = extract_long(cmdbuf, 0);
1897 msg = CtdlFetchMessage(msgnum, 1);
1899 cprintf("%d Message %ld not found.\n",
1900 ERROR + MESSAGE_NOT_FOUND, msgnum);
1904 serialize_message(&smr, msg);
1905 CtdlFreeMessage(msg);
1908 cprintf("%d Unable to serialize message\n",
1909 ERROR + INTERNAL_ERROR);
1913 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1914 client_write((char *)smr.ser, (int)smr.len);
1921 * Display a message using MIME content types
1923 void cmd_msg4(char *cmdbuf)
1928 msgid = extract_long(cmdbuf, 0);
1929 extract_token(section, cmdbuf, 1, '|', sizeof section);
1930 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) );
1936 * Client tells us its preferred message format(s)
1938 void cmd_msgp(char *cmdbuf)
1940 safestrncpy(CC->preferred_formats, cmdbuf,
1941 sizeof(CC->preferred_formats));
1942 cprintf("%d ok\n", CIT_OK);
1947 * Open a component of a MIME message as a download file
1949 void cmd_opna(char *cmdbuf)
1952 char desired_section[128];
1954 msgid = extract_long(cmdbuf, 0);
1955 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
1956 safestrncpy(CC->download_desired_section, desired_section,
1957 sizeof CC->download_desired_section);
1958 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL);
1963 * Open a component of a MIME message and transmit it all at once
1965 void cmd_dlat(char *cmdbuf)
1968 char desired_section[128];
1970 msgid = extract_long(cmdbuf, 0);
1971 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
1972 safestrncpy(CC->download_desired_section, desired_section,
1973 sizeof CC->download_desired_section);
1974 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL);
1979 * Save one or more message pointers into a specified room
1980 * (Returns 0 for success, nonzero for failure)
1981 * roomname may be NULL to use the current room
1983 * Note that the 'supplied_msg' field may be set to NULL, in which case
1984 * the message will be fetched from disk, by number, if we need to perform
1985 * replication checks. This adds an additional database read, so if the
1986 * caller already has the message in memory then it should be supplied. (Obviously
1987 * this mode of operation only works if we're saving a single message.)
1989 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
1990 int do_repl_check, struct CtdlMessage *supplied_msg)
1993 char hold_rm[ROOMNAMELEN];
1994 struct cdbdata *cdbfr;
1997 long highest_msg = 0L;
2000 struct CtdlMessage *msg = NULL;
2002 long *msgs_to_be_merged = NULL;
2003 int num_msgs_to_be_merged = 0;
2006 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d)\n",
2007 roomname, num_newmsgs, do_repl_check);
2009 strcpy(hold_rm, CC->room.QRname);
2012 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2013 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2014 if (num_newmsgs > 1) supplied_msg = NULL;
2016 /* Now the regular stuff */
2017 if (lgetroom(&CC->room,
2018 ((roomname != NULL) ? roomname : CC->room.QRname) )
2020 lprintf(CTDL_ERR, "No such room <%s>\n", roomname);
2021 return(ERROR + ROOM_NOT_FOUND);
2025 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2026 num_msgs_to_be_merged = 0;
2029 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2030 if (cdbfr == NULL) {
2034 msglist = (long *) cdbfr->ptr;
2035 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2036 num_msgs = cdbfr->len / sizeof(long);
2041 /* Create a list of msgid's which were supplied by the caller, but do
2042 * not already exist in the target room. It is absolutely taboo to
2043 * have more than one reference to the same message in a room.
2045 for (i=0; i<num_newmsgs; ++i) {
2047 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2048 if (msglist[j] == newmsgidlist[i]) {
2053 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2057 lprintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2060 * Now merge the new messages
2062 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2063 if (msglist == NULL) {
2064 lprintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2066 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2067 num_msgs += num_msgs_to_be_merged;
2069 /* Sort the message list, so all the msgid's are in order */
2070 num_msgs = sort_msglist(msglist, num_msgs);
2072 /* Determine the highest message number */
2073 highest_msg = msglist[num_msgs - 1];
2075 /* Write it back to disk. */
2076 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2077 msglist, (int)(num_msgs * sizeof(long)));
2079 /* Free up the memory we used. */
2082 /* Update the highest-message pointer and unlock the room. */
2083 CC->room.QRhighest = highest_msg;
2084 lputroom(&CC->room);
2086 /* Perform replication checks if necessary */
2087 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2088 lprintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2090 for (i=0; i<num_msgs_to_be_merged; ++i) {
2091 msgid = msgs_to_be_merged[i];
2093 if (supplied_msg != NULL) {
2097 msg = CtdlFetchMessage(msgid, 0);
2101 ReplicationChecks(msg);
2103 /* If the message has an Exclusive ID, index that... */
2104 if (msg->cm_fields['E'] != NULL) {
2105 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2108 /* Free up the memory we may have allocated */
2109 if (msg != supplied_msg) {
2110 CtdlFreeMessage(msg);
2118 lprintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2121 /* Submit this room for net processing */
2122 network_queue_room(&CC->room, NULL);
2124 #ifdef HAVE_LIBSIEVE
2125 /* If this is someone's inbox, submit the room for sieve processing */
2126 if (!strcasecmp(&CC->room.QRname[11], MAILROOM)) {
2127 sieve_queue_room(&CC->room);
2129 #endif /* HAVE_LIBSIEVE */
2131 /* Go back to the room we were in before we wandered here... */
2132 getroom(&CC->room, hold_rm);
2134 /* Bump the reference count for all messages which were merged */
2135 for (i=0; i<num_msgs_to_be_merged; ++i) {
2136 AdjRefCount(msgs_to_be_merged[i], +1);
2139 /* Free up memory... */
2140 if (msgs_to_be_merged != NULL) {
2141 free(msgs_to_be_merged);
2144 /* Return success. */
2150 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2153 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2154 int do_repl_check, struct CtdlMessage *supplied_msg)
2156 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg);
2163 * Message base operation to save a new message to the message store
2164 * (returns new message number)
2166 * This is the back end for CtdlSubmitMsg() and should not be directly
2167 * called by server-side modules.
2170 long send_message(struct CtdlMessage *msg) {
2178 /* Get a new message number */
2179 newmsgid = get_new_message_number();
2180 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2182 /* Generate an ID if we don't have one already */
2183 if (msg->cm_fields['I']==NULL) {
2184 msg->cm_fields['I'] = strdup(msgidbuf);
2187 /* If the message is big, set its body aside for storage elsewhere */
2188 if (msg->cm_fields['M'] != NULL) {
2189 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2191 holdM = msg->cm_fields['M'];
2192 msg->cm_fields['M'] = NULL;
2196 /* Serialize our data structure for storage in the database */
2197 serialize_message(&smr, msg);
2200 msg->cm_fields['M'] = holdM;
2204 cprintf("%d Unable to serialize message\n",
2205 ERROR + INTERNAL_ERROR);
2209 /* Write our little bundle of joy into the message base */
2210 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2211 smr.ser, smr.len) < 0) {
2212 lprintf(CTDL_ERR, "Can't store message\n");
2216 cdb_store(CDB_BIGMSGS,
2226 /* Free the memory we used for the serialized message */
2229 /* Return the *local* message ID to the caller
2230 * (even if we're storing an incoming network message)
2238 * Serialize a struct CtdlMessage into the format used on disk and network.
2240 * This function loads up a "struct ser_ret" (defined in server.h) which
2241 * contains the length of the serialized message and a pointer to the
2242 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2244 void serialize_message(struct ser_ret *ret, /* return values */
2245 struct CtdlMessage *msg) /* unserialized msg */
2247 size_t wlen, fieldlen;
2249 static char *forder = FORDER;
2252 * Check for valid message format
2254 if (is_valid_message(msg) == 0) {
2255 lprintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2262 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2263 ret->len = ret->len +
2264 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2266 ret->ser = malloc(ret->len);
2267 if (ret->ser == NULL) {
2268 lprintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2269 (long)ret->len, strerror(errno));
2276 ret->ser[1] = msg->cm_anon_type;
2277 ret->ser[2] = msg->cm_format_type;
2280 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2281 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2282 ret->ser[wlen++] = (char)forder[i];
2283 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2284 wlen = wlen + fieldlen + 1;
2286 if (ret->len != wlen) lprintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2287 (long)ret->len, (long)wlen);
2295 * Check to see if any messages already exist in the current room which
2296 * carry the same Exclusive ID as this one. If any are found, delete them.
2298 void ReplicationChecks(struct CtdlMessage *msg) {
2299 long old_msgnum = (-1L);
2301 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2303 lprintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2306 /* No exclusive id? Don't do anything. */
2307 if (msg == NULL) return;
2308 if (msg->cm_fields['E'] == NULL) return;
2309 if (strlen(msg->cm_fields['E']) == 0) return;
2310 /*lprintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2311 msg->cm_fields['E'], CC->room.QRname);*/
2313 old_msgnum = locate_message_by_euid(msg->cm_fields['E'], &CC->room);
2314 if (old_msgnum > 0L) {
2315 lprintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2316 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "", 0);
2323 * Save a message to disk and submit it into the delivery system.
2325 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2326 struct recptypes *recps, /* recipients (if mail) */
2327 char *force /* force a particular room? */
2329 char submit_filename[128];
2330 char generated_timestamp[32];
2331 char hold_rm[ROOMNAMELEN];
2332 char actual_rm[ROOMNAMELEN];
2333 char force_room[ROOMNAMELEN];
2334 char content_type[SIZ]; /* We have to learn this */
2335 char recipient[SIZ];
2338 struct ctdluser userbuf;
2340 struct MetaData smi;
2341 FILE *network_fp = NULL;
2342 static int seqnum = 1;
2343 struct CtdlMessage *imsg = NULL;
2346 char *hold_R, *hold_D;
2347 char *collected_addresses = NULL;
2348 struct addresses_to_be_filed *aptr = NULL;
2349 char *saved_rfc822_version = NULL;
2350 int qualified_for_journaling = 0;
2352 lprintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2353 if (is_valid_message(msg) == 0) return(-1); /* self check */
2355 /* If this message has no timestamp, we take the liberty of
2356 * giving it one, right now.
2358 if (msg->cm_fields['T'] == NULL) {
2359 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2360 msg->cm_fields['T'] = strdup(generated_timestamp);
2363 /* If this message has no path, we generate one.
2365 if (msg->cm_fields['P'] == NULL) {
2366 if (msg->cm_fields['A'] != NULL) {
2367 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2368 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
2369 if (isspace(msg->cm_fields['P'][a])) {
2370 msg->cm_fields['P'][a] = ' ';
2375 msg->cm_fields['P'] = strdup("unknown");
2379 if (force == NULL) {
2380 strcpy(force_room, "");
2383 strcpy(force_room, force);
2386 /* Learn about what's inside, because it's what's inside that counts */
2387 if (msg->cm_fields['M'] == NULL) {
2388 lprintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2392 switch (msg->cm_format_type) {
2394 strcpy(content_type, "text/x-citadel-variformat");
2397 strcpy(content_type, "text/plain");
2400 strcpy(content_type, "text/plain");
2401 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type: ");
2403 safestrncpy(content_type, &mptr[14],
2404 sizeof content_type);
2405 for (a = 0; a < strlen(content_type); ++a) {
2406 if ((content_type[a] == ';')
2407 || (content_type[a] == ' ')
2408 || (content_type[a] == 13)
2409 || (content_type[a] == 10)) {
2410 content_type[a] = 0;
2416 /* Goto the correct room */
2417 lprintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CC->room.QRname : SENTITEMS);
2418 strcpy(hold_rm, CC->room.QRname);
2419 strcpy(actual_rm, CC->room.QRname);
2420 if (recps != NULL) {
2421 strcpy(actual_rm, SENTITEMS);
2424 /* If the user is a twit, move to the twit room for posting */
2426 if (CC->user.axlevel == 2) {
2427 strcpy(hold_rm, actual_rm);
2428 strcpy(actual_rm, config.c_twitroom);
2429 lprintf(CTDL_DEBUG, "Diverting to twit room\n");
2433 /* ...or if this message is destined for Aide> then go there. */
2434 if (strlen(force_room) > 0) {
2435 strcpy(actual_rm, force_room);
2438 lprintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2439 if (strcasecmp(actual_rm, CC->room.QRname)) {
2440 /* getroom(&CC->room, actual_rm); */
2441 usergoto(actual_rm, 0, 1, NULL, NULL);
2445 * If this message has no O (room) field, generate one.
2447 if (msg->cm_fields['O'] == NULL) {
2448 msg->cm_fields['O'] = strdup(CC->room.QRname);
2451 /* Perform "before save" hooks (aborting if any return nonzero) */
2452 lprintf(CTDL_DEBUG, "Performing before-save hooks\n");
2453 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2456 * If this message has an Exclusive ID, and the room is replication
2457 * checking enabled, then do replication checks.
2459 if (DoesThisRoomNeedEuidIndexing(&CC->room)) {
2460 ReplicationChecks(msg);
2463 /* Save it to disk */
2464 lprintf(CTDL_DEBUG, "Saving to disk\n");
2465 newmsgid = send_message(msg);
2466 if (newmsgid <= 0L) return(-5);
2468 /* Write a supplemental message info record. This doesn't have to
2469 * be a critical section because nobody else knows about this message
2472 lprintf(CTDL_DEBUG, "Creating MetaData record\n");
2473 memset(&smi, 0, sizeof(struct MetaData));
2474 smi.meta_msgnum = newmsgid;
2475 smi.meta_refcount = 0;
2476 safestrncpy(smi.meta_content_type, content_type,
2477 sizeof smi.meta_content_type);
2480 * Measure how big this message will be when rendered as RFC822.
2481 * We do this for two reasons:
2482 * 1. We need the RFC822 length for the new metadata record, so the
2483 * POP and IMAP services don't have to calculate message lengths
2484 * while the user is waiting (multiplied by potentially hundreds
2485 * or thousands of messages).
2486 * 2. If journaling is enabled, we will need an RFC822 version of the
2487 * message to attach to the journalized copy.
2489 if (CC->redirect_buffer != NULL) {
2490 lprintf(CTDL_ALERT, "CC->redirect_buffer is not NULL during message submission!\n");
2493 CC->redirect_buffer = malloc(SIZ);
2494 CC->redirect_len = 0;
2495 CC->redirect_alloc = SIZ;
2496 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1);
2497 smi.meta_rfc822_length = CC->redirect_len;
2498 saved_rfc822_version = CC->redirect_buffer;
2499 CC->redirect_buffer = NULL;
2500 CC->redirect_len = 0;
2501 CC->redirect_alloc = 0;
2505 /* Now figure out where to store the pointers */
2506 lprintf(CTDL_DEBUG, "Storing pointers\n");
2508 /* If this is being done by the networker delivering a private
2509 * message, we want to BYPASS saving the sender's copy (because there
2510 * is no local sender; it would otherwise go to the Trashcan).
2512 if ((!CC->internal_pgm) || (recps == NULL)) {
2513 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2514 lprintf(CTDL_ERR, "ERROR saving message pointer!\n");
2515 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2519 /* For internet mail, drop a copy in the outbound queue room */
2521 if (recps->num_internet > 0) {
2522 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2525 /* If other rooms are specified, drop them there too. */
2527 if (recps->num_room > 0)
2528 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2529 extract_token(recipient, recps->recp_room, i,
2530 '|', sizeof recipient);
2531 lprintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2532 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2535 /* Bump this user's messages posted counter. */
2536 lprintf(CTDL_DEBUG, "Updating user\n");
2537 lgetuser(&CC->user, CC->curr_user);
2538 CC->user.posted = CC->user.posted + 1;
2539 lputuser(&CC->user);
2541 /* If this is private, local mail, make a copy in the
2542 * recipient's mailbox and bump the reference count.
2545 if (recps->num_local > 0)
2546 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2547 extract_token(recipient, recps->recp_local, i,
2548 '|', sizeof recipient);
2549 lprintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2551 if (getuser(&userbuf, recipient) == 0) {
2552 MailboxName(actual_rm, sizeof actual_rm,
2553 &userbuf, MAILROOM);
2554 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2555 BumpNewMailCounter(userbuf.usernum);
2558 lprintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2559 CtdlSaveMsgPointerInRoom(config.c_aideroom,
2564 /* Perform "after save" hooks */
2565 lprintf(CTDL_DEBUG, "Performing after-save hooks\n");
2566 PerformMessageHooks(msg, EVT_AFTERSAVE);
2568 /* For IGnet mail, we have to save a new copy into the spooler for
2569 * each recipient, with the R and D fields set to the recipient and
2570 * destination-node. This has two ugly side effects: all other
2571 * recipients end up being unlisted in this recipient's copy of the
2572 * message, and it has to deliver multiple messages to the same
2573 * node. We'll revisit this again in a year or so when everyone has
2574 * a network spool receiver that can handle the new style messages.
2577 if (recps->num_ignet > 0)
2578 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2579 extract_token(recipient, recps->recp_ignet, i,
2580 '|', sizeof recipient);
2582 hold_R = msg->cm_fields['R'];
2583 hold_D = msg->cm_fields['D'];
2584 msg->cm_fields['R'] = malloc(SIZ);
2585 msg->cm_fields['D'] = malloc(128);
2586 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
2587 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
2589 serialize_message(&smr, msg);
2591 snprintf(submit_filename, sizeof submit_filename,
2592 "%s/netmail.%04lx.%04x.%04x",
2594 (long) getpid(), CC->cs_pid, ++seqnum);
2595 network_fp = fopen(submit_filename, "wb+");
2596 if (network_fp != NULL) {
2597 fwrite(smr.ser, smr.len, 1, network_fp);
2603 free(msg->cm_fields['R']);
2604 free(msg->cm_fields['D']);
2605 msg->cm_fields['R'] = hold_R;
2606 msg->cm_fields['D'] = hold_D;
2609 /* Go back to the room we started from */
2610 lprintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2611 if (strcasecmp(hold_rm, CC->room.QRname))
2612 /* getroom(&CC->room, hold_rm); */
2613 usergoto(hold_rm, 0, 1, NULL, NULL);
2615 /* For internet mail, generate delivery instructions.
2616 * Yes, this is recursive. Deal with it. Infinite recursion does
2617 * not happen because the delivery instructions message does not
2618 * contain a recipient.
2621 if (recps->num_internet > 0) {
2622 lprintf(CTDL_DEBUG, "Generating delivery instructions\n");
2623 instr = malloc(SIZ * 2);
2624 snprintf(instr, SIZ * 2,
2625 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2627 SPOOLMIME, newmsgid, (long)time(NULL),
2628 msg->cm_fields['A'], msg->cm_fields['N']
2631 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2632 size_t tmp = strlen(instr);
2633 extract_token(recipient, recps->recp_internet,
2634 i, '|', sizeof recipient);
2635 snprintf(&instr[tmp], SIZ * 2 - tmp,
2636 "remote|%s|0||\n", recipient);
2639 imsg = malloc(sizeof(struct CtdlMessage));
2640 memset(imsg, 0, sizeof(struct CtdlMessage));
2641 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2642 imsg->cm_anon_type = MES_NORMAL;
2643 imsg->cm_format_type = FMT_RFC822;
2644 imsg->cm_fields['A'] = strdup("Citadel");
2645 imsg->cm_fields['J'] = strdup("do not journal");
2646 imsg->cm_fields['M'] = instr;
2647 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2648 CtdlFreeMessage(imsg);
2652 * Any addresses to harvest for someone's address book?
2654 if ( (CC->logged_in) && (recps != NULL) ) {
2655 collected_addresses = harvest_collected_addresses(msg);
2658 if (collected_addresses != NULL) {
2659 begin_critical_section(S_ATBF);
2660 aptr = (struct addresses_to_be_filed *)
2661 malloc(sizeof(struct addresses_to_be_filed));
2663 MailboxName(actual_rm, sizeof actual_rm,
2664 &CC->user, USERCONTACTSROOM);
2665 aptr->roomname = strdup(actual_rm);
2666 aptr->collected_addresses = collected_addresses;
2668 end_critical_section(S_ATBF);
2672 * Determine whether this message qualifies for journaling.
2674 if (msg->cm_fields['J'] != NULL) {
2675 qualified_for_journaling = 0;
2678 if (recps == NULL) {
2679 qualified_for_journaling = config.c_journal_pubmsgs;
2681 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
2682 qualified_for_journaling = config.c_journal_email;
2685 qualified_for_journaling = config.c_journal_pubmsgs;
2690 * Do we have to perform journaling? If so, hand off the saved
2691 * RFC822 version will be handed off to the journaler for background
2692 * submit. Otherwise, we have to free the memory ourselves.
2694 if (saved_rfc822_version != NULL) {
2695 if (qualified_for_journaling) {
2696 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
2699 free(saved_rfc822_version);
2712 * Convenience function for generating small administrative messages.
2714 void quickie_message(char *from, char *fromaddr, char *to, char *room, char *text,
2715 int format_type, char *subject)
2717 struct CtdlMessage *msg;
2718 struct recptypes *recp = NULL;
2720 msg = malloc(sizeof(struct CtdlMessage));
2721 memset(msg, 0, sizeof(struct CtdlMessage));
2722 msg->cm_magic = CTDLMESSAGE_MAGIC;
2723 msg->cm_anon_type = MES_NORMAL;
2724 msg->cm_format_type = format_type;
2727 msg->cm_fields['A'] = strdup(from);
2729 else if (fromaddr != NULL) {
2730 msg->cm_fields['A'] = strdup(fromaddr);
2731 if (strchr(msg->cm_fields['A'], '@')) {
2732 *strchr(msg->cm_fields['A'], '@') = 0;
2736 msg->cm_fields['A'] = strdup("Citadel");
2739 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
2740 if (room != NULL) msg->cm_fields['O'] = strdup(room);
2741 msg->cm_fields['N'] = strdup(NODENAME);
2743 msg->cm_fields['R'] = strdup(to);
2744 recp = validate_recipients(to);
2746 if (subject != NULL) {
2747 msg->cm_fields['U'] = strdup(subject);
2749 msg->cm_fields['M'] = strdup(text);
2751 CtdlSubmitMsg(msg, recp, room);
2752 CtdlFreeMessage(msg);
2753 if (recp != NULL) free(recp);
2759 * Back end function used by CtdlMakeMessage() and similar functions
2761 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2762 size_t maxlen, /* maximum message length */
2763 char *exist, /* if non-null, append to it;
2764 exist is ALWAYS freed */
2765 int crlf /* CRLF newlines instead of LF */
2769 size_t message_len = 0;
2770 size_t buffer_len = 0;
2777 if (exist == NULL) {
2784 message_len = strlen(exist);
2785 buffer_len = message_len + 4096;
2786 m = realloc(exist, buffer_len);
2793 /* Do we need to change leading ".." to "." for SMTP escaping? */
2794 if (!strcmp(terminator, ".")) {
2798 /* flush the input if we have nowhere to store it */
2803 /* read in the lines of message text one by one */
2805 if (client_getln(buf, (sizeof buf - 3)) < 1) finished = 1;
2806 if (!strcmp(buf, terminator)) finished = 1;
2808 strcat(buf, "\r\n");
2814 /* Unescape SMTP-style input of two dots at the beginning of the line */
2816 if (!strncmp(buf, "..", 2)) {
2817 strcpy(buf, &buf[1]);
2821 if ( (!flushing) && (!finished) ) {
2822 /* Measure the line */
2823 linelen = strlen(buf);
2825 /* augment the buffer if we have to */
2826 if ((message_len + linelen) >= buffer_len) {
2827 ptr = realloc(m, (buffer_len * 2) );
2828 if (ptr == NULL) { /* flush if can't allocate */
2831 buffer_len = (buffer_len * 2);
2833 lprintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
2837 /* Add the new line to the buffer. NOTE: this loop must avoid
2838 * using functions like strcat() and strlen() because they
2839 * traverse the entire buffer upon every call, and doing that
2840 * for a multi-megabyte message slows it down beyond usability.
2842 strcpy(&m[message_len], buf);
2843 message_len += linelen;
2846 /* if we've hit the max msg length, flush the rest */
2847 if (message_len >= maxlen) flushing = 1;
2849 } while (!finished);
2857 * Build a binary message to be saved on disk.
2858 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2859 * will become part of the message. This means you are no longer
2860 * responsible for managing that memory -- it will be freed along with
2861 * the rest of the fields when CtdlFreeMessage() is called.)
2864 struct CtdlMessage *CtdlMakeMessage(
2865 struct ctdluser *author, /* author's user structure */
2866 char *recipient, /* NULL if it's not mail */
2867 char *recp_cc, /* NULL if it's not mail */
2868 char *room, /* room where it's going */
2869 int type, /* see MES_ types in header file */
2870 int format_type, /* variformat, plain text, MIME... */
2871 char *fake_name, /* who we're masquerading as */
2872 char *subject, /* Subject (optional) */
2873 char *supplied_euid, /* ...or NULL if this is irrelevant */
2874 char *preformatted_text /* ...or NULL to read text from client */
2876 char dest_node[SIZ];
2878 struct CtdlMessage *msg;
2880 msg = malloc(sizeof(struct CtdlMessage));
2881 memset(msg, 0, sizeof(struct CtdlMessage));
2882 msg->cm_magic = CTDLMESSAGE_MAGIC;
2883 msg->cm_anon_type = type;
2884 msg->cm_format_type = format_type;
2886 /* Don't confuse the poor folks if it's not routed mail. */
2887 strcpy(dest_node, "");
2892 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2893 msg->cm_fields['P'] = strdup(buf);
2895 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2896 msg->cm_fields['T'] = strdup(buf);
2898 if (fake_name[0]) /* author */
2899 msg->cm_fields['A'] = strdup(fake_name);
2901 msg->cm_fields['A'] = strdup(author->fullname);
2903 if (CC->room.QRflags & QR_MAILBOX) { /* room */
2904 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
2907 msg->cm_fields['O'] = strdup(CC->room.QRname);
2910 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
2911 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
2913 if (recipient[0] != 0) {
2914 msg->cm_fields['R'] = strdup(recipient);
2916 if (recp_cc[0] != 0) {
2917 msg->cm_fields['Y'] = strdup(recp_cc);
2919 if (dest_node[0] != 0) {
2920 msg->cm_fields['D'] = strdup(dest_node);
2923 if ( (author == &CC->user) && (strlen(CC->cs_inet_email) > 0) ) {
2924 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
2927 if (subject != NULL) {
2929 if (strlen(subject) > 0) {
2930 msg->cm_fields['U'] = strdup(subject);
2934 if (supplied_euid != NULL) {
2935 msg->cm_fields['E'] = strdup(supplied_euid);
2938 if (preformatted_text != NULL) {
2939 msg->cm_fields['M'] = preformatted_text;
2942 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2943 config.c_maxmsglen, NULL, 0);
2951 * Check to see whether we have permission to post a message in the current
2952 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2953 * returns 0 on success.
2955 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2957 if (!(CC->logged_in)) {
2958 snprintf(errmsgbuf, n, "Not logged in.");
2959 return (ERROR + NOT_LOGGED_IN);
2962 if ((CC->user.axlevel < 2)
2963 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
2964 snprintf(errmsgbuf, n, "Need to be validated to enter "
2965 "(except in %s> to sysop)", MAILROOM);
2966 return (ERROR + HIGHER_ACCESS_REQUIRED);
2969 if ((CC->user.axlevel < 4)
2970 && (CC->room.QRflags & QR_NETWORK)) {
2971 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2972 return (ERROR + HIGHER_ACCESS_REQUIRED);
2975 if ((CC->user.axlevel < 6)
2976 && (CC->room.QRflags & QR_READONLY)) {
2977 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2978 return (ERROR + HIGHER_ACCESS_REQUIRED);
2981 strcpy(errmsgbuf, "Ok");
2987 * Check to see if the specified user has Internet mail permission
2988 * (returns nonzero if permission is granted)
2990 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
2992 /* Do not allow twits to send Internet mail */
2993 if (who->axlevel <= 2) return(0);
2995 /* Globally enabled? */
2996 if (config.c_restrict == 0) return(1);
2998 /* User flagged ok? */
2999 if (who->flags & US_INTERNET) return(2);
3001 /* Aide level access? */
3002 if (who->axlevel >= 6) return(3);
3004 /* No mail for you! */
3010 * Validate recipients, count delivery types and errors, and handle aliasing
3011 * FIXME check for dupes!!!!!
3012 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3013 * were specified, or the number of addresses found invalid.
3014 * caller needs to free the result.
3016 struct recptypes *validate_recipients(char *supplied_recipients) {
3017 struct recptypes *ret;
3018 char recipients[SIZ];
3019 char this_recp[256];
3020 char this_recp_cooked[256];
3026 struct ctdluser tempUS;
3027 struct ctdlroom tempQR;
3031 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3032 if (ret == NULL) return(NULL);
3033 memset(ret, 0, sizeof(struct recptypes));
3036 ret->num_internet = 0;
3041 if (supplied_recipients == NULL) {
3042 strcpy(recipients, "");
3045 safestrncpy(recipients, supplied_recipients, sizeof recipients);
3048 /* Change all valid separator characters to commas */
3049 for (i=0; i<strlen(recipients); ++i) {
3050 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3051 recipients[i] = ',';
3055 /* Now start extracting recipients... */
3057 while (strlen(recipients) > 0) {
3059 for (i=0; i<=strlen(recipients); ++i) {
3060 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3061 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3062 safestrncpy(this_recp, recipients, i+1);
3064 if (recipients[i] == ',') {
3065 strcpy(recipients, &recipients[i+1]);
3068 strcpy(recipients, "");
3075 lprintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3077 mailtype = alias(this_recp);
3078 mailtype = alias(this_recp);
3079 mailtype = alias(this_recp);
3080 for (j=0; j<=strlen(this_recp); ++j) {
3081 if (this_recp[j]=='_') {
3082 this_recp_cooked[j] = ' ';
3085 this_recp_cooked[j] = this_recp[j];
3091 if (!strcasecmp(this_recp, "sysop")) {
3093 strcpy(this_recp, config.c_aideroom);
3094 if (strlen(ret->recp_room) > 0) {
3095 strcat(ret->recp_room, "|");
3097 strcat(ret->recp_room, this_recp);
3099 else if (getuser(&tempUS, this_recp) == 0) {
3101 strcpy(this_recp, tempUS.fullname);
3102 if (strlen(ret->recp_local) > 0) {
3103 strcat(ret->recp_local, "|");
3105 strcat(ret->recp_local, this_recp);
3107 else if (getuser(&tempUS, this_recp_cooked) == 0) {
3109 strcpy(this_recp, tempUS.fullname);
3110 if (strlen(ret->recp_local) > 0) {
3111 strcat(ret->recp_local, "|");
3113 strcat(ret->recp_local, this_recp);
3115 else if ( (!strncasecmp(this_recp, "room_", 5))
3116 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
3118 if (strlen(ret->recp_room) > 0) {
3119 strcat(ret->recp_room, "|");
3121 strcat(ret->recp_room, &this_recp_cooked[5]);
3129 /* Yes, you're reading this correctly: if the target
3130 * domain points back to the local system or an attached
3131 * Citadel directory, the address is invalid. That's
3132 * because if the address were valid, we would have
3133 * already translated it to a local address by now.
3135 if (IsDirectory(this_recp)) {
3140 ++ret->num_internet;
3141 if (strlen(ret->recp_internet) > 0) {
3142 strcat(ret->recp_internet, "|");
3144 strcat(ret->recp_internet, this_recp);
3149 if (strlen(ret->recp_ignet) > 0) {
3150 strcat(ret->recp_ignet, "|");
3152 strcat(ret->recp_ignet, this_recp);
3160 if (strlen(ret->errormsg) == 0) {
3161 snprintf(append, sizeof append,
3162 "Invalid recipient: %s",
3166 snprintf(append, sizeof append,
3169 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
3170 strcat(ret->errormsg, append);
3174 if (strlen(ret->display_recp) == 0) {
3175 strcpy(append, this_recp);
3178 snprintf(append, sizeof append, ", %s",
3181 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3182 strcat(ret->display_recp, append);
3187 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3188 ret->num_room + ret->num_error) == 0) {
3189 ret->num_error = (-1);
3190 strcpy(ret->errormsg, "No recipients specified.");
3193 lprintf(CTDL_DEBUG, "validate_recipients()\n");
3194 lprintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3195 lprintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3196 lprintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3197 lprintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3198 lprintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3206 * message entry - mode 0 (normal)
3208 void cmd_ent0(char *entargs)
3214 char supplied_euid[128];
3215 char masquerade_as[SIZ];
3217 int format_type = 0;
3218 char newusername[SIZ];
3219 struct CtdlMessage *msg;
3223 struct recptypes *valid = NULL;
3224 struct recptypes *valid_to = NULL;
3225 struct recptypes *valid_cc = NULL;
3226 struct recptypes *valid_bcc = NULL;
3233 post = extract_int(entargs, 0);
3234 extract_token(recp, entargs, 1, '|', sizeof recp);
3235 anon_flag = extract_int(entargs, 2);
3236 format_type = extract_int(entargs, 3);
3237 extract_token(subject, entargs, 4, '|', sizeof subject);
3238 do_confirm = extract_int(entargs, 6);
3239 extract_token(cc, entargs, 7, '|', sizeof cc);
3240 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3241 switch(CC->room.QRdefaultview) {
3244 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3247 supplied_euid[0] = 0;
3251 /* first check to make sure the request is valid. */
3253 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
3255 cprintf("%d %s\n", err, errmsg);
3259 /* Check some other permission type things. */
3262 if (CC->user.axlevel < 6) {
3263 cprintf("%d You don't have permission to masquerade.\n",
3264 ERROR + HIGHER_ACCESS_REQUIRED);
3267 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3268 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
3269 safestrncpy(CC->fake_postname, newusername,
3270 sizeof(CC->fake_postname) );
3271 cprintf("%d ok\n", CIT_OK);
3274 CC->cs_flags |= CS_POSTING;
3276 /* In the Mail> room we have to behave a little differently --
3277 * make sure the user has specified at least one recipient. Then
3278 * validate the recipient(s).
3280 if ( (CC->room.QRflags & QR_MAILBOX)
3281 && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) ) {
3283 if (CC->user.axlevel < 2) {
3284 strcpy(recp, "sysop");
3289 valid_to = validate_recipients(recp);
3290 if (valid_to->num_error > 0) {
3291 cprintf("%d Invalid recipient (To)\n", ERROR + NO_SUCH_USER);
3296 valid_cc = validate_recipients(cc);
3297 if (valid_cc->num_error > 0) {
3298 cprintf("%d Invalid recipient (CC)\n", ERROR + NO_SUCH_USER);
3304 valid_bcc = validate_recipients(bcc);
3305 if (valid_bcc->num_error > 0) {
3306 cprintf("%d Invalid recipient (BCC)\n", ERROR + NO_SUCH_USER);
3313 /* Recipient required, but none were specified */
3314 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
3318 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
3322 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
3323 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
3324 cprintf("%d You do not have permission "
3325 "to send Internet mail.\n",
3326 ERROR + HIGHER_ACCESS_REQUIRED);
3334 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)
3335 && (CC->user.axlevel < 4) ) {
3336 cprintf("%d Higher access required for network mail.\n",
3337 ERROR + HIGHER_ACCESS_REQUIRED);
3344 if ((RESTRICT_INTERNET == 1)
3345 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
3346 && ((CC->user.flags & US_INTERNET) == 0)
3347 && (!CC->internal_pgm)) {
3348 cprintf("%d You don't have access to Internet mail.\n",
3349 ERROR + HIGHER_ACCESS_REQUIRED);
3358 /* Is this a room which has anonymous-only or anonymous-option? */
3359 anonymous = MES_NORMAL;
3360 if (CC->room.QRflags & QR_ANONONLY) {
3361 anonymous = MES_ANONONLY;
3363 if (CC->room.QRflags & QR_ANONOPT) {
3364 if (anon_flag == 1) { /* only if the user requested it */
3365 anonymous = MES_ANONOPT;
3369 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
3373 /* If we're only checking the validity of the request, return
3374 * success without creating the message.
3377 cprintf("%d %s\n", CIT_OK,
3378 ((valid_to != NULL) ? valid_to->display_recp : "") );
3385 /* We don't need these anymore because we'll do it differently below */
3390 /* Handle author masquerading */
3391 if (CC->fake_postname[0]) {
3392 strcpy(masquerade_as, CC->fake_postname);
3394 else if (CC->fake_username[0]) {
3395 strcpy(masquerade_as, CC->fake_username);
3398 strcpy(masquerade_as, "");
3401 /* Read in the message from the client. */
3403 cprintf("%d send message\n", START_CHAT_MODE);
3405 cprintf("%d send message\n", SEND_LISTING);
3408 msg = CtdlMakeMessage(&CC->user, recp, cc,
3409 CC->room.QRname, anonymous, format_type,
3410 masquerade_as, subject,
3411 ((strlen(supplied_euid) > 0) ? supplied_euid : NULL),
3414 /* Put together one big recipients struct containing to/cc/bcc all in
3415 * one. This is for the envelope.
3417 char *all_recps = malloc(SIZ * 3);
3418 strcpy(all_recps, recp);
3419 if (strlen(cc) > 0) {
3420 if (strlen(all_recps) > 0) {
3421 strcat(all_recps, ",");
3423 strcat(all_recps, cc);
3425 if (strlen(bcc) > 0) {
3426 if (strlen(all_recps) > 0) {
3427 strcat(all_recps, ",");
3429 strcat(all_recps, bcc);
3431 if (strlen(all_recps) > 0) {
3432 valid = validate_recipients(all_recps);
3440 msgnum = CtdlSubmitMsg(msg, valid, "");
3443 cprintf("%ld\n", msgnum);
3445 cprintf("Message accepted.\n");
3448 cprintf("Internal error.\n");
3450 if (msg->cm_fields['E'] != NULL) {
3451 cprintf("%s\n", msg->cm_fields['E']);
3458 CtdlFreeMessage(msg);
3460 CC->fake_postname[0] = '\0';
3461 if (valid != NULL) {
3470 * API function to delete messages which match a set of criteria
3471 * (returns the actual number of messages deleted)
3473 int CtdlDeleteMessages(char *room_name, /* which room */
3474 long *dmsgnums, /* array of msg numbers to be deleted */
3475 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
3476 char *content_type, /* or "" for any */
3477 int deferred /* let TDAP sweep it later */
3481 struct ctdlroom qrbuf;
3482 struct cdbdata *cdbfr;
3483 long *msglist = NULL;
3484 long *dellist = NULL;
3487 int num_deleted = 0;
3489 struct MetaData smi;
3491 lprintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s, %d)\n",
3492 room_name, num_dmsgnums, content_type, deferred);
3494 /* get room record, obtaining a lock... */
3495 if (lgetroom(&qrbuf, room_name) != 0) {
3496 lprintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
3498 return (0); /* room not found */
3500 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
3502 if (cdbfr != NULL) {
3503 dellist = malloc(cdbfr->len);
3504 msglist = (long *) cdbfr->ptr;
3505 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
3506 num_msgs = cdbfr->len / sizeof(long);
3510 for (i = 0; i < num_msgs; ++i) {
3513 /* Set/clear a bit for each criterion */
3515 /* 0 messages in the list or a null list means that we are
3516 * interested in deleting any messages which meet the other criteria.
3518 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
3519 delete_this |= 0x01;
3522 for (j=0; j<num_dmsgnums; ++j) {
3523 if (msglist[i] == dmsgnums[j]) {
3524 delete_this |= 0x01;
3529 if (strlen(content_type) == 0) {
3530 delete_this |= 0x02;
3532 GetMetaData(&smi, msglist[i]);
3533 if (!strcasecmp(smi.meta_content_type,
3535 delete_this |= 0x02;
3539 /* Delete message only if all bits are set */
3540 if (delete_this == 0x03) {
3541 dellist[num_deleted++] = msglist[i];
3546 num_msgs = sort_msglist(msglist, num_msgs);
3547 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
3548 msglist, (int)(num_msgs * sizeof(long)));
3550 qrbuf.QRhighest = msglist[num_msgs - 1];
3555 * If the delete operation is "deferred" (and technically, any delete
3556 * operation not performed by THE DREADED AUTO-PURGER ought to be
3557 * a deferred delete) then we save a pointer to the message in the
3558 * DELETED_MSGS_ROOM. This will cause the reference count to remain
3559 * at least 1, which will save the user from having to synchronously
3560 * wait for various disk-intensive operations to complete.
3562 * Slick -- we now use the new bulk API for moving messages.
3564 if ( (deferred) && (num_deleted) ) {
3565 CtdlCopyMsgsToRoom(dellist, num_deleted, DELETED_MSGS_ROOM);
3568 /* Go through the messages we pulled out of the index, and decrement
3569 * their reference counts by 1. If this is the only room the message
3570 * was in, the reference count will reach zero and the message will
3571 * automatically be deleted from the database. We do this in a
3572 * separate pass because there might be plug-in hooks getting called,
3573 * and we don't want that happening during an S_ROOMS critical
3576 if (num_deleted) for (i=0; i<num_deleted; ++i) {
3577 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
3578 AdjRefCount(dellist[i], -1);
3581 /* Now free the memory we used, and go away. */
3582 if (msglist != NULL) free(msglist);
3583 if (dellist != NULL) free(dellist);
3584 lprintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
3585 return (num_deleted);
3591 * Check whether the current user has permission to delete messages from
3592 * the current room (returns 1 for yes, 0 for no)
3594 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
3595 getuser(&CC->user, CC->curr_user);
3596 if ((CC->user.axlevel < 6)
3597 && (CC->user.usernum != CC->room.QRroomaide)
3598 && ((CC->room.QRflags & QR_MAILBOX) == 0)
3599 && (!(CC->internal_pgm))) {
3608 * Delete message from current room
3610 void cmd_dele(char *args)
3619 extract_token(msgset, args, 0, '|', sizeof msgset);
3620 num_msgs = num_tokens(msgset, ',');
3622 cprintf("%d Nothing to do.\n", CIT_OK);
3626 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
3627 cprintf("%d Higher access required.\n",
3628 ERROR + HIGHER_ACCESS_REQUIRED);
3633 * Build our message set to be moved/copied
3635 msgs = malloc(num_msgs * sizeof(long));
3636 for (i=0; i<num_msgs; ++i) {
3637 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
3638 msgs[i] = atol(msgtok);
3641 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "", 1);
3645 cprintf("%d %d message%s deleted.\n", CIT_OK,
3646 num_deleted, ((num_deleted != 1) ? "s" : ""));
3648 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
3654 * Back end API function for moves and deletes (multiple messages)
3656 int CtdlCopyMsgsToRoom(long *msgnums, int num_msgs, char *dest) {
3659 err = CtdlSaveMsgPointersInRoom(dest, msgnums, num_msgs, 1, NULL);
3660 if (err != 0) return(err);
3669 * move or copy a message to another room
3671 void cmd_move(char *args)
3678 char targ[ROOMNAMELEN];
3679 struct ctdlroom qtemp;
3686 extract_token(msgset, args, 0, '|', sizeof msgset);
3687 num_msgs = num_tokens(msgset, ',');
3689 cprintf("%d Nothing to do.\n", CIT_OK);
3693 extract_token(targ, args, 1, '|', sizeof targ);
3694 convert_room_name_macros(targ, sizeof targ);
3695 targ[ROOMNAMELEN - 1] = 0;
3696 is_copy = extract_int(args, 2);
3698 if (getroom(&qtemp, targ) != 0) {
3699 cprintf("%d '%s' does not exist.\n",
3700 ERROR + ROOM_NOT_FOUND, targ);
3704 getuser(&CC->user, CC->curr_user);
3705 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
3707 /* Check for permission to perform this operation.
3708 * Remember: "CC->room" is source, "qtemp" is target.
3712 /* Aides can move/copy */
3713 if (CC->user.axlevel >= 6) permit = 1;
3715 /* Room aides can move/copy */
3716 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
3718 /* Permit move/copy from personal rooms */
3719 if ((CC->room.QRflags & QR_MAILBOX)
3720 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3722 /* Permit only copy from public to personal room */
3724 && (!(CC->room.QRflags & QR_MAILBOX))
3725 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
3727 /* User must have access to target room */
3728 if (!(ra & UA_KNOWN)) permit = 0;
3731 cprintf("%d Higher access required.\n",
3732 ERROR + HIGHER_ACCESS_REQUIRED);
3737 * Build our message set to be moved/copied
3739 msgs = malloc(num_msgs * sizeof(long));
3740 for (i=0; i<num_msgs; ++i) {
3741 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
3742 msgs[i] = atol(msgtok);
3748 err = CtdlCopyMsgsToRoom(msgs, num_msgs, targ);
3750 cprintf("%d Cannot store message(s) in %s: error %d\n",
3756 /* Now delete the message from the source room,
3757 * if this is a 'move' rather than a 'copy' operation.
3760 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "", 0);
3764 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
3770 * GetMetaData() - Get the supplementary record for a message
3772 void GetMetaData(struct MetaData *smibuf, long msgnum)
3775 struct cdbdata *cdbsmi;
3778 memset(smibuf, 0, sizeof(struct MetaData));
3779 smibuf->meta_msgnum = msgnum;
3780 smibuf->meta_refcount = 1; /* Default reference count is 1 */
3782 /* Use the negative of the message number for its supp record index */
3783 TheIndex = (0L - msgnum);
3785 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
3786 if (cdbsmi == NULL) {
3787 return; /* record not found; go with defaults */
3789 memcpy(smibuf, cdbsmi->ptr,
3790 ((cdbsmi->len > sizeof(struct MetaData)) ?
3791 sizeof(struct MetaData) : cdbsmi->len));
3798 * PutMetaData() - (re)write supplementary record for a message
3800 void PutMetaData(struct MetaData *smibuf)
3804 /* Use the negative of the message number for the metadata db index */
3805 TheIndex = (0L - smibuf->meta_msgnum);
3807 lprintf(CTDL_DEBUG, "PutMetaData(%ld) - ref count is %d\n",
3808 smibuf->meta_msgnum, smibuf->meta_refcount);
3810 cdb_store(CDB_MSGMAIN,
3811 &TheIndex, (int)sizeof(long),
3812 smibuf, (int)sizeof(struct MetaData));
3817 * AdjRefCount - change the reference count for a message;
3818 * delete the message if it reaches zero
3820 void AdjRefCount(long msgnum, int incr)
3823 struct MetaData smi;
3826 /* This is a *tight* critical section; please keep it that way, as
3827 * it may get called while nested in other critical sections.
3828 * Complicating this any further will surely cause deadlock!
3830 begin_critical_section(S_SUPPMSGMAIN);
3831 GetMetaData(&smi, msgnum);
3832 smi.meta_refcount += incr;
3834 end_critical_section(S_SUPPMSGMAIN);
3835 lprintf(CTDL_DEBUG, "msg %ld ref count incr %d, is now %d\n",
3836 msgnum, incr, smi.meta_refcount);
3838 /* If the reference count is now zero, delete the message
3839 * (and its supplementary record as well).
3841 if (smi.meta_refcount == 0) {
3842 lprintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
3844 /* Remove from fulltext index */
3845 if (config.c_enable_fulltext) {
3846 ft_index_message(msgnum, 0);
3849 /* Remove from message base */
3851 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
3852 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
3854 /* Remove metadata record */
3855 delnum = (0L - msgnum);
3856 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
3861 * Write a generic object to this room
3863 * Note: this could be much more efficient. Right now we use two temporary
3864 * files, and still pull the message into memory as with all others.
3866 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3867 char *content_type, /* MIME type of this object */
3868 char *tempfilename, /* Where to fetch it from */
3869 struct ctdluser *is_mailbox, /* Mailbox room? */
3870 int is_binary, /* Is encoding necessary? */
3871 int is_unique, /* Del others of this type? */
3872 unsigned int flags /* Internal save flags */
3877 struct ctdlroom qrbuf;
3878 char roomname[ROOMNAMELEN];
3879 struct CtdlMessage *msg;
3881 char *raw_message = NULL;
3882 char *encoded_message = NULL;
3883 off_t raw_length = 0;
3885 if (is_mailbox != NULL) {
3886 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
3889 safestrncpy(roomname, req_room, sizeof(roomname));
3892 fp = fopen(tempfilename, "rb");
3894 lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
3895 tempfilename, strerror(errno));
3898 fseek(fp, 0L, SEEK_END);
3899 raw_length = ftell(fp);
3901 lprintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
3903 raw_message = malloc((size_t)raw_length + 2);
3904 fread(raw_message, (size_t)raw_length, 1, fp);
3908 encoded_message = malloc((size_t)
3909 (((raw_length * 134) / 100) + 4096 ) );
3912 encoded_message = malloc((size_t)(raw_length + 4096));
3915 sprintf(encoded_message, "Content-type: %s\n", content_type);
3918 sprintf(&encoded_message[strlen(encoded_message)],
3919 "Content-transfer-encoding: base64\n\n"
3923 sprintf(&encoded_message[strlen(encoded_message)],
3924 "Content-transfer-encoding: 7bit\n\n"
3930 &encoded_message[strlen(encoded_message)],
3936 raw_message[raw_length] = 0;
3938 &encoded_message[strlen(encoded_message)],
3946 lprintf(CTDL_DEBUG, "Allocating\n");
3947 msg = malloc(sizeof(struct CtdlMessage));
3948 memset(msg, 0, sizeof(struct CtdlMessage));
3949 msg->cm_magic = CTDLMESSAGE_MAGIC;
3950 msg->cm_anon_type = MES_NORMAL;
3951 msg->cm_format_type = 4;
3952 msg->cm_fields['A'] = strdup(CC->user.fullname);
3953 msg->cm_fields['O'] = strdup(req_room);
3954 msg->cm_fields['N'] = strdup(config.c_nodename);
3955 msg->cm_fields['H'] = strdup(config.c_humannode);
3956 msg->cm_flags = flags;
3958 msg->cm_fields['M'] = encoded_message;
3960 /* Create the requested room if we have to. */
3961 if (getroom(&qrbuf, roomname) != 0) {
3962 create_room(roomname,
3963 ( (is_mailbox != NULL) ? 5 : 3 ),
3964 "", 0, 1, 0, VIEW_BBS);
3966 /* If the caller specified this object as unique, delete all
3967 * other objects of this type that are currently in the room.
3970 lprintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
3971 CtdlDeleteMessages(roomname, NULL, 0, content_type, 0)
3974 /* Now write the data */
3975 CtdlSubmitMsg(msg, NULL, roomname);
3976 CtdlFreeMessage(msg);
3984 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
3985 config_msgnum = msgnum;
3989 char *CtdlGetSysConfig(char *sysconfname) {
3990 char hold_rm[ROOMNAMELEN];
3993 struct CtdlMessage *msg;
3996 strcpy(hold_rm, CC->room.QRname);
3997 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
3998 getroom(&CC->room, hold_rm);
4003 /* We want the last (and probably only) config in this room */
4004 begin_critical_section(S_CONFIG);
4005 config_msgnum = (-1L);
4006 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4007 CtdlGetSysConfigBackend, NULL);
4008 msgnum = config_msgnum;
4009 end_critical_section(S_CONFIG);
4015 msg = CtdlFetchMessage(msgnum, 1);
4017 conf = strdup(msg->cm_fields['M']);
4018 CtdlFreeMessage(msg);
4025 getroom(&CC->room, hold_rm);
4027 if (conf != NULL) do {
4028 extract_token(buf, conf, 0, '\n', sizeof buf);
4029 strcpy(conf, &conf[strlen(buf)+1]);
4030 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
4035 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4036 char temp[PATH_MAX];
4039 CtdlMakeTempFileName(temp, sizeof temp);
4041 fp = fopen(temp, "w");
4042 if (fp == NULL) return;
4043 fprintf(fp, "%s", sysconfdata);
4046 /* this handy API function does all the work for us */
4047 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
4053 * Determine whether a given Internet address belongs to the current user
4055 int CtdlIsMe(char *addr, int addr_buf_len)
4057 struct recptypes *recp;
4060 recp = validate_recipients(addr);
4061 if (recp == NULL) return(0);
4063 if (recp->num_local == 0) {
4068 for (i=0; i<recp->num_local; ++i) {
4069 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4070 if (!strcasecmp(addr, CC->user.fullname)) {
4082 * Citadel protocol command to do the same
4084 void cmd_isme(char *argbuf) {
4087 if (CtdlAccessCheck(ac_logged_in)) return;
4088 extract_token(addr, argbuf, 0, '|', sizeof addr);
4090 if (CtdlIsMe(addr, sizeof addr)) {
4091 cprintf("%d %s\n", CIT_OK, addr);
4094 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);