4 * Implements the message store.
18 #if TIME_WITH_SYS_TIME
19 # include <sys/time.h>
23 # include <sys/time.h>
39 #include "dynloader.h"
43 #include "sysdep_decls.h"
44 #include "citserver.h"
50 #include "mime_parser.h"
53 #include "internet_addressing.h"
55 #define desired_section ((char *)CtdlGetUserData(SYM_DESIRED_SECTION))
56 #define ma ((struct ma_info *)CtdlGetUserData(SYM_MA_INFO))
57 #define msg_repl ((struct repl *)CtdlGetUserData(SYM_REPL))
59 extern struct config config;
64 * This really belongs in serv_network.c, but I don't know how to export
65 * symbols between modules.
67 struct FilterList *filterlist = NULL;
71 * These are the four-character field headers we use when outputting
72 * messages in Citadel format (as opposed to RFC822 format).
75 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
76 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
77 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
78 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
79 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
80 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
81 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
82 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
109 * This function is self explanatory.
110 * (What can I say, I'm in a weird mood today...)
112 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
116 for (i = 0; i < strlen(name); ++i) {
117 if (name[i] == '@') {
118 while (isspace(name[i - 1]) && i > 0) {
119 strcpy(&name[i - 1], &name[i]);
122 while (isspace(name[i + 1])) {
123 strcpy(&name[i + 1], &name[i + 2]);
131 * Aliasing for network mail.
132 * (Error messages have been commented out, because this is a server.)
134 int alias(char *name)
135 { /* process alias and routing info for mail */
138 char aaa[SIZ], bbb[SIZ];
139 char *ignetcfg = NULL;
140 char *ignetmap = NULL;
147 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
149 fp = fopen("network/mail.aliases", "r");
151 fp = fopen("/dev/null", "r");
158 while (fgets(aaa, sizeof aaa, fp) != NULL) {
159 while (isspace(name[0]))
160 strcpy(name, &name[1]);
161 aaa[strlen(aaa) - 1] = 0;
163 for (a = 0; a < strlen(aaa); ++a) {
165 strcpy(bbb, &aaa[a + 1]);
169 if (!strcasecmp(name, aaa))
174 /* Hit the Global Address Book */
175 if (CtdlDirectoryLookup(aaa, name) == 0) {
179 lprintf(7, "Mail is being forwarded to %s\n", name);
181 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
182 for (a=0; a<strlen(name); ++a) {
183 if (name[a] == '@') {
184 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
186 lprintf(7, "Changed to <%s>\n", name);
191 /* determine local or remote type, see citadel.h */
192 at = haschar(name, '@');
193 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
194 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
195 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
197 /* figure out the delivery mode */
198 extract_token(node, name, 1, '@');
200 /* If there are one or more dots in the nodename, we assume that it
201 * is an FQDN and will attempt SMTP delivery to the Internet.
203 if (haschar(node, '.') > 0) {
204 return(MES_INTERNET);
207 /* Otherwise we look in the IGnet maps for a valid Citadel node.
208 * Try directly-connected nodes first...
210 ignetcfg = CtdlGetSysConfig(IGNETCFG);
211 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
212 extract_token(buf, ignetcfg, i, '\n');
213 extract_token(testnode, buf, 0, '|');
214 if (!strcasecmp(node, testnode)) {
222 * Then try nodes that are two or more hops away.
224 ignetmap = CtdlGetSysConfig(IGNETMAP);
225 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
226 extract_token(buf, ignetmap, i, '\n');
227 extract_token(testnode, buf, 0, '|');
228 if (!strcasecmp(node, testnode)) {
235 /* If we get to this point it's an invalid node name */
244 fp = fopen("citadel.control", "r");
245 fread((char *) &CitControl, sizeof(struct CitControl), 1, fp);
251 void simple_listing(long msgnum, void *userdata)
253 cprintf("%ld\n", msgnum);
258 /* Determine if a given message matches the fields in a message template.
259 * Return 0 for a successful match.
261 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
264 /* If there aren't any fields in the template, all messages will
267 if (template == NULL) return(0);
269 /* Null messages are bogus. */
270 if (msg == NULL) return(1);
272 for (i='A'; i<='Z'; ++i) {
273 if (template->cm_fields[i] != NULL) {
274 if (msg->cm_fields[i] == NULL) {
277 if (strcasecmp(msg->cm_fields[i],
278 template->cm_fields[i])) return 1;
282 /* All compares succeeded: we have a match! */
288 * Manipulate the "seen msgs" string.
290 void CtdlSetSeen(long target_msgnum, int target_setting) {
292 struct cdbdata *cdbfr;
302 /* Learn about the user and room in question */
304 getuser(&CC->usersupp, CC->curr_user);
305 CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
307 /* Load the message list */
308 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
310 msglist = mallok(cdbfr->len);
311 memcpy(msglist, cdbfr->ptr, cdbfr->len);
312 num_msgs = cdbfr->len / sizeof(long);
315 return; /* No messages at all? No further action. */
318 lprintf(9, "before optimize: %s\n", vbuf.v_seen);
321 for (i=0; i<num_msgs; ++i) {
324 if (msglist[i] == target_msgnum) {
325 is_seen = target_setting;
328 if (is_msg_in_mset(vbuf.v_seen, msglist[i])) {
334 if (lo < 0L) lo = msglist[i];
337 if ( ((is_seen == 0) && (was_seen == 1))
338 || ((is_seen == 1) && (i == num_msgs-1)) ) {
341 if ( (strlen(newseen) + 20) > SIZ) {
342 strcpy(newseen, &newseen[20]);
345 tmp = strlen(newseen);
347 strcat(newseen, ",");
351 snprintf(&newseen[tmp], sizeof newseen - tmp,
355 snprintf(&newseen[tmp], sizeof newseen - tmp,
364 safestrncpy(vbuf.v_seen, newseen, SIZ);
365 lprintf(9, " after optimize: %s\n", vbuf.v_seen);
367 CtdlSetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
372 * API function to perform an operation for each qualifying message in the
373 * current room. (Returns the number of messages processed.)
375 int CtdlForEachMessage(int mode, long ref,
377 struct CtdlMessage *compare,
378 void (*CallBack) (long, void *),
384 struct cdbdata *cdbfr;
385 long *msglist = NULL;
387 int num_processed = 0;
390 struct CtdlMessage *msg;
393 int printed_lastold = 0;
395 /* Learn about the user and room in question */
397 getuser(&CC->usersupp, CC->curr_user);
398 CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
400 /* Load the message list */
401 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
403 msglist = mallok(cdbfr->len);
404 memcpy(msglist, cdbfr->ptr, cdbfr->len);
405 num_msgs = cdbfr->len / sizeof(long);
408 return 0; /* No messages at all? No further action. */
413 * Now begin the traversal.
415 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
417 /* If the caller is looking for a specific MIME type, filter
418 * out all messages which are not of the type requested.
420 if (content_type != NULL) if (strlen(content_type) > 0) {
422 /* This call to GetMetaData() sits inside this loop
423 * so that we only do the extra database read per msg
424 * if we need to. Doing the extra read all the time
425 * really kills the server. If we ever need to use
426 * metadata for another search criterion, we need to
427 * move the read somewhere else -- but still be smart
428 * enough to only do the read if the caller has
429 * specified something that will need it.
431 GetMetaData(&smi, msglist[a]);
433 if (strcasecmp(smi.meta_content_type, content_type)) {
439 num_msgs = sort_msglist(msglist, num_msgs);
441 /* If a template was supplied, filter out the messages which
442 * don't match. (This could induce some delays!)
445 if (compare != NULL) {
446 for (a = 0; a < num_msgs; ++a) {
447 msg = CtdlFetchMessage(msglist[a]);
449 if (CtdlMsgCmp(msg, compare)) {
452 CtdlFreeMessage(msg);
460 * Now iterate through the message list, according to the
461 * criteria supplied by the caller.
464 for (a = 0; a < num_msgs; ++a) {
465 thismsg = msglist[a];
466 is_seen = is_msg_in_mset(vbuf.v_seen, thismsg);
467 if (is_seen) lastold = thismsg;
472 || ((mode == MSGS_OLD) && (is_seen))
473 || ((mode == MSGS_NEW) && (!is_seen))
474 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
475 || ((mode == MSGS_FIRST) && (a < ref))
476 || ((mode == MSGS_GT) && (thismsg > ref))
477 || ((mode == MSGS_EQ) && (thismsg == ref))
480 if ((mode == MSGS_NEW) && (CC->usersupp.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
482 CallBack(lastold, userdata);
486 if (CallBack) CallBack(thismsg, userdata);
490 phree(msglist); /* Clean up */
491 return num_processed;
497 * cmd_msgs() - get list of message #'s in this room
498 * implements the MSGS server command using CtdlForEachMessage()
500 void cmd_msgs(char *cmdbuf)
509 int with_template = 0;
510 struct CtdlMessage *template = NULL;
512 extract(which, cmdbuf, 0);
513 cm_ref = extract_int(cmdbuf, 1);
514 with_template = extract_int(cmdbuf, 2);
518 if (!strncasecmp(which, "OLD", 3))
520 else if (!strncasecmp(which, "NEW", 3))
522 else if (!strncasecmp(which, "FIRST", 5))
524 else if (!strncasecmp(which, "LAST", 4))
526 else if (!strncasecmp(which, "GT", 2))
529 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
530 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
535 cprintf("%d Send template then receive message list\n",
537 template = (struct CtdlMessage *)
538 mallok(sizeof(struct CtdlMessage));
539 memset(template, 0, sizeof(struct CtdlMessage));
540 while(client_gets(buf), strcmp(buf,"000")) {
541 extract(tfield, buf, 0);
542 extract(tvalue, buf, 1);
543 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
544 if (!strcasecmp(tfield, msgkeys[i])) {
545 template->cm_fields[i] =
552 cprintf("%d Message list...\n", LISTING_FOLLOWS);
555 CtdlForEachMessage(mode, cm_ref,
556 NULL, template, simple_listing, NULL);
557 if (template != NULL) CtdlFreeMessage(template);
565 * help_subst() - support routine for help file viewer
567 void help_subst(char *strbuf, char *source, char *dest)
572 while (p = pattern2(strbuf, source), (p >= 0)) {
573 strcpy(workbuf, &strbuf[p + strlen(source)]);
574 strcpy(&strbuf[p], dest);
575 strcat(strbuf, workbuf);
580 void do_help_subst(char *buffer)
584 help_subst(buffer, "^nodename", config.c_nodename);
585 help_subst(buffer, "^humannode", config.c_humannode);
586 help_subst(buffer, "^fqdn", config.c_fqdn);
587 help_subst(buffer, "^username", CC->usersupp.fullname);
588 snprintf(buf2, sizeof buf2, "%ld", CC->usersupp.usernum);
589 help_subst(buffer, "^usernum", buf2);
590 help_subst(buffer, "^sysadm", config.c_sysadm);
591 help_subst(buffer, "^variantname", CITADEL);
592 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
593 help_subst(buffer, "^maxsessions", buf2);
599 * memfmout() - Citadel text formatter and paginator.
600 * Although the original purpose of this routine was to format
601 * text to the reader's screen width, all we're really using it
602 * for here is to format text out to 80 columns before sending it
603 * to the client. The client software may reformat it again.
606 int width, /* screen width to use */
607 char *mptr, /* where are we going to get our text from? */
608 char subst, /* nonzero if we should do substitutions */
609 char *nl) /* string to terminate lines with */
621 c = 1; /* c is the current pos */
625 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
627 buffer[strlen(buffer) + 1] = 0;
628 buffer[strlen(buffer)] = ch;
631 if (buffer[0] == '^')
632 do_help_subst(buffer);
634 buffer[strlen(buffer) + 1] = 0;
636 strcpy(buffer, &buffer[1]);
644 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
646 if (((old == 13) || (old == 10)) && (isspace(real))) {
654 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
655 cprintf("%s%s", nl, aaa);
664 if ((strlen(aaa) + c) > (width - 5)) {
673 if ((ch == 13) || (ch == 10)) {
674 cprintf("%s%s", aaa, nl);
681 cprintf("%s%s", aaa, nl);
687 * Callback function for mime parser that simply lists the part
689 void list_this_part(char *name, char *filename, char *partnum, char *disp,
690 void *content, char *cbtype, size_t length, char *encoding,
694 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
695 name, filename, partnum, disp, cbtype, (long)length);
700 * Callback function for mime parser that opens a section for downloading
702 void mime_download(char *name, char *filename, char *partnum, char *disp,
703 void *content, char *cbtype, size_t length, char *encoding,
707 /* Silently go away if there's already a download open... */
708 if (CC->download_fp != NULL)
711 /* ...or if this is not the desired section */
712 if (strcasecmp(desired_section, partnum))
715 CC->download_fp = tmpfile();
716 if (CC->download_fp == NULL)
719 fwrite(content, length, 1, CC->download_fp);
720 fflush(CC->download_fp);
721 rewind(CC->download_fp);
723 OpenCmdResult(filename, cbtype);
729 * Load a message from disk into memory.
730 * This is used by CtdlOutputMsg() and other fetch functions.
732 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
733 * using the CtdlMessageFree() function.
735 struct CtdlMessage *CtdlFetchMessage(long msgnum)
737 struct cdbdata *dmsgtext;
738 struct CtdlMessage *ret = NULL;
741 CIT_UBYTE field_header;
744 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
745 if (dmsgtext == NULL) {
748 mptr = dmsgtext->ptr;
750 /* Parse the three bytes that begin EVERY message on disk.
751 * The first is always 0xFF, the on-disk magic number.
752 * The second is the anonymous/public type byte.
753 * The third is the format type byte (vari, fixed, or MIME).
757 lprintf(5, "Message %ld appears to be corrupted.\n", msgnum);
761 ret = (struct CtdlMessage *) mallok(sizeof(struct CtdlMessage));
762 memset(ret, 0, sizeof(struct CtdlMessage));
764 ret->cm_magic = CTDLMESSAGE_MAGIC;
765 ret->cm_anon_type = *mptr++; /* Anon type byte */
766 ret->cm_format_type = *mptr++; /* Format type byte */
769 * The rest is zero or more arbitrary fields. Load them in.
770 * We're done when we encounter either a zero-length field or
771 * have just processed the 'M' (message text) field.
774 field_length = strlen(mptr);
775 if (field_length == 0)
777 field_header = *mptr++;
778 ret->cm_fields[field_header] = mallok(field_length);
779 strcpy(ret->cm_fields[field_header], mptr);
781 while (*mptr++ != 0); /* advance to next field */
783 } while ((field_length > 0) && (field_header != 'M'));
787 /* Always make sure there's something in the msg text field */
788 if (ret->cm_fields['M'] == NULL)
789 ret->cm_fields['M'] = strdoop("<no text>\n");
791 /* Perform "before read" hooks (aborting if any return nonzero) */
792 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
793 CtdlFreeMessage(ret);
802 * Returns 1 if the supplied pointer points to a valid Citadel message.
803 * If the pointer is NULL or the magic number check fails, returns 0.
805 int is_valid_message(struct CtdlMessage *msg) {
808 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
809 lprintf(3, "is_valid_message() -- self-check failed\n");
817 * 'Destructor' for struct CtdlMessage
819 void CtdlFreeMessage(struct CtdlMessage *msg)
823 if (is_valid_message(msg) == 0) return;
825 for (i = 0; i < 256; ++i)
826 if (msg->cm_fields[i] != NULL) {
827 phree(msg->cm_fields[i]);
830 msg->cm_magic = 0; /* just in case */
836 * Pre callback function for multipart/alternative
838 * NOTE: this differs from the standard behavior for a reason. Normally when
839 * displaying multipart/alternative you want to show the _last_ usable
840 * format in the message. Here we show the _first_ one, because it's
841 * usually text/plain. Since this set of functions is designed for text
842 * output to non-MIME-aware clients, this is the desired behavior.
845 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
846 void *content, char *cbtype, size_t length, char *encoding,
849 lprintf(9, "fixed_output_pre() type=<%s>\n", cbtype);
850 if (!strcasecmp(cbtype, "multipart/alternative")) {
858 * Post callback function for multipart/alternative
860 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
861 void *content, char *cbtype, size_t length, char *encoding,
864 lprintf(9, "fixed_output_post() type=<%s>\n", cbtype);
865 if (!strcasecmp(cbtype, "multipart/alternative")) {
873 * Inline callback function for mime parser that wants to display text
875 void fixed_output(char *name, char *filename, char *partnum, char *disp,
876 void *content, char *cbtype, size_t length, char *encoding,
884 lprintf(9, "fixed_output() type=<%s>\n", cbtype);
887 * If we're in the middle of a multipart/alternative scope and
888 * we've already printed another section, skip this one.
890 if ( (ma->is_ma == 1) && (ma->did_print == 1) ) {
891 lprintf(9, "Skipping part %s (%s)\n", partnum, cbtype);
896 if ( (!strcasecmp(cbtype, "text/plain"))
897 || (strlen(cbtype)==0) ) {
900 client_write(wptr, length);
901 if (wptr[length-1] != '\n') {
906 else if (!strcasecmp(cbtype, "text/html")) {
907 ptr = html_to_ascii(content, 80, 0);
912 if (ch==10) cprintf("\r\n");
913 else cprintf("%c", ch);
917 else if (strncasecmp(cbtype, "multipart/", 10)) {
918 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
919 partnum, filename, cbtype, (long)length);
925 * Get a message off disk. (returns om_* values found in msgbase.h)
928 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
929 int mode, /* how would you like that message? */
930 int headers_only, /* eschew the message body? */
931 int do_proto, /* do Citadel protocol responses? */
932 int crlf /* Use CRLF newlines instead of LF? */
934 struct CtdlMessage *TheMessage;
937 lprintf(7, "CtdlOutputMsg() msgnum=%ld, mode=%d\n",
942 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
943 if (do_proto) cprintf("%d Not logged in.\n",
944 ERROR + NOT_LOGGED_IN);
945 return(om_not_logged_in);
948 /* FIXME ... small security issue
949 * We need to check to make sure the requested message is actually
950 * in the current room, and set msg_ok to 1 only if it is. This
951 * functionality is currently missing because I'm in a hurry to replace
952 * broken production code with nonbroken pre-beta code. :( -- ajc
955 if (do_proto) cprintf("%d Message %ld is not in this room.\n",
957 return(om_no_such_msg);
962 * Fetch the message from disk
964 TheMessage = CtdlFetchMessage(msg_num);
965 if (TheMessage == NULL) {
966 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
968 return(om_no_such_msg);
971 retcode = CtdlOutputPreLoadedMsg(
972 TheMessage, msg_num, mode,
973 headers_only, do_proto, crlf);
975 CtdlFreeMessage(TheMessage);
981 * Get a message off disk. (returns om_* values found in msgbase.h)
984 int CtdlOutputPreLoadedMsg(struct CtdlMessage *TheMessage,
986 int mode, /* how would you like that message? */
987 int headers_only, /* eschew the message body? */
988 int do_proto, /* do Citadel protocol responses? */
989 int crlf /* Use CRLF newlines instead of LF? */
995 char display_name[SIZ];
997 char *nl; /* newline string */
1000 /* buffers needed for RFC822 translation */
1007 char datestamp[SIZ];
1010 snprintf(mid, sizeof mid, "%ld", msg_num);
1011 nl = (crlf ? "\r\n" : "\n");
1013 if (!is_valid_message(TheMessage)) {
1014 lprintf(1, "ERROR: invalid preloaded message for output\n");
1015 return(om_no_such_msg);
1018 /* Are we downloading a MIME component? */
1019 if (mode == MT_DOWNLOAD) {
1020 if (TheMessage->cm_format_type != FMT_RFC822) {
1022 cprintf("%d This is not a MIME message.\n",
1024 } else if (CC->download_fp != NULL) {
1025 if (do_proto) cprintf(
1026 "%d You already have a download open.\n",
1029 /* Parse the message text component */
1030 mptr = TheMessage->cm_fields['M'];
1031 mime_parser(mptr, NULL,
1032 *mime_download, NULL, NULL,
1034 /* If there's no file open by this time, the requested
1035 * section wasn't found, so print an error
1037 if (CC->download_fp == NULL) {
1038 if (do_proto) cprintf(
1039 "%d Section %s not found.\n",
1040 ERROR + FILE_NOT_FOUND,
1044 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1047 /* now for the user-mode message reading loops */
1048 if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
1050 /* Tell the client which format type we're using. If this is a
1051 * MIME message, *lie* about it and tell the user it's fixed-format.
1053 if (mode == MT_CITADEL) {
1054 if (TheMessage->cm_format_type == FMT_RFC822) {
1055 if (do_proto) cprintf("type=1\n");
1058 if (do_proto) cprintf("type=%d\n",
1059 TheMessage->cm_format_type);
1063 /* nhdr=yes means that we're only displaying headers, no body */
1064 if ((TheMessage->cm_anon_type == MES_ANONONLY) && (mode == MT_CITADEL)) {
1065 if (do_proto) cprintf("nhdr=yes\n");
1068 /* begin header processing loop for Citadel message format */
1070 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1072 strcpy(display_name, "<unknown>");
1073 if (TheMessage->cm_fields['A']) {
1074 strcpy(buf, TheMessage->cm_fields['A']);
1075 PerformUserHooks(buf, (-1L), EVT_OUTPUTMSG);
1076 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1077 strcpy(display_name, "****");
1079 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1080 strcpy(display_name, "anonymous");
1083 strcpy(display_name, buf);
1085 if ((is_room_aide())
1086 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1087 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1088 size_t tmp = strlen(display_name);
1089 snprintf(&display_name[tmp],
1090 sizeof display_name - tmp,
1095 /* Don't show Internet address for users on the
1096 * local Citadel network.
1099 if (TheMessage->cm_fields['N'] != NULL)
1100 if (strlen(TheMessage->cm_fields['N']) > 0)
1101 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1105 /* Now spew the header fields in the order we like them. */
1106 strcpy(allkeys, FORDER);
1107 for (i=0; i<strlen(allkeys); ++i) {
1108 k = (int) allkeys[i];
1110 if ( (TheMessage->cm_fields[k] != NULL)
1111 && (msgkeys[k] != NULL) ) {
1113 if (do_proto) cprintf("%s=%s\n",
1117 else if ((k == 'F') && (suppress_f)) {
1120 /* Masquerade display name if needed */
1122 if (do_proto) cprintf("%s=%s\n",
1124 TheMessage->cm_fields[k]
1133 /* begin header processing loop for RFC822 transfer format */
1138 strcpy(snode, NODENAME);
1139 strcpy(lnode, HUMANNODE);
1140 if (mode == MT_RFC822) {
1141 cprintf("X-UIDL: %ld%s", msg_num, nl);
1142 for (i = 0; i < 256; ++i) {
1143 if (TheMessage->cm_fields[i]) {
1144 mptr = TheMessage->cm_fields[i];
1147 strcpy(luser, mptr);
1148 strcpy(suser, mptr);
1151 "Path:" removed for now because it confuses brain-dead Microsoft shitware
1152 into thinking that mail messages are newsgroup messages instead. When we
1153 add NNTP support back into Citadel we'll have to add code to only output
1154 this field when appropriate.
1155 else if (i == 'P') {
1156 cprintf("Path: %s%s", mptr, nl);
1160 cprintf("Subject: %s%s", mptr, nl);
1162 safestrncpy(mid, mptr, sizeof mid);
1164 safestrncpy(lnode, mptr, sizeof lnode);
1166 safestrncpy(fuser, mptr, sizeof fuser);
1168 cprintf("X-Citadel-Room: %s%s",
1171 safestrncpy(snode, mptr, sizeof snode);
1173 cprintf("To: %s%s", mptr, nl);
1174 else if (i == 'T') {
1175 datestring(datestamp, sizeof datestamp, atol(mptr),
1176 DATESTRING_RFC822 );
1177 cprintf("Date: %s%s", datestamp, nl);
1183 for (i=0; i<strlen(suser); ++i) {
1184 suser[i] = tolower(suser[i]);
1185 if (!isalnum(suser[i])) suser[i]='_';
1188 if (mode == MT_RFC822) {
1189 if (!strcasecmp(snode, NODENAME)) {
1190 strcpy(snode, FQDN);
1193 /* Construct a fun message id */
1194 cprintf("Message-ID: <%s", mid);
1195 if (strchr(mid, '@')==NULL) {
1196 cprintf("@%s", snode);
1200 PerformUserHooks(luser, (-1L), EVT_OUTPUTMSG);
1202 if (strlen(fuser) > 0) {
1203 cprintf("From: %s (%s)%s", fuser, luser, nl);
1206 cprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
1209 cprintf("Organization: %s%s", lnode, nl);
1212 /* end header processing loop ... at this point, we're in the text */
1214 mptr = TheMessage->cm_fields['M'];
1216 /* Tell the client about the MIME parts in this message */
1217 if (TheMessage->cm_format_type == FMT_RFC822) {
1218 if (mode == MT_CITADEL) {
1219 mime_parser(mptr, NULL,
1220 *list_this_part, NULL, NULL,
1223 else if (mode == MT_MIME) { /* list parts only */
1224 mime_parser(mptr, NULL,
1225 *list_this_part, NULL, NULL,
1227 if (do_proto) cprintf("000\n");
1230 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1231 /* FIXME ... we have to put some code in here to avoid
1232 * printing duplicate header information when both
1233 * Citadel and RFC822 headers exist. Preference should
1234 * probably be given to the RFC822 headers.
1236 while (ch=*(mptr++), ch!=0) {
1238 else if (ch==10) cprintf("%s", nl);
1239 else cprintf("%c", ch);
1241 if (do_proto) cprintf("000\n");
1247 if (do_proto) cprintf("000\n");
1251 /* signify start of msg text */
1252 if (mode == MT_CITADEL)
1253 if (do_proto) cprintf("text\n");
1254 if (mode == MT_RFC822) {
1255 if (TheMessage->cm_fields['U'] == NULL) {
1256 cprintf("Subject: (no subject)%s", nl);
1261 /* If the format type on disk is 1 (fixed-format), then we want
1262 * everything to be output completely literally ... regardless of
1263 * what message transfer format is in use.
1265 if (TheMessage->cm_format_type == FMT_FIXED) {
1267 while (ch = *mptr++, ch > 0) {
1270 if ((ch == 10) || (strlen(buf) > 250)) {
1271 cprintf("%s%s", buf, nl);
1274 buf[strlen(buf) + 1] = 0;
1275 buf[strlen(buf)] = ch;
1278 if (strlen(buf) > 0)
1279 cprintf("%s%s", buf, nl);
1282 /* If the message on disk is format 0 (Citadel vari-format), we
1283 * output using the formatter at 80 columns. This is the final output
1284 * form if the transfer format is RFC822, but if the transfer format
1285 * is Citadel proprietary, it'll still work, because the indentation
1286 * for new paragraphs is correct and the client will reformat the
1287 * message to the reader's screen width.
1289 if (TheMessage->cm_format_type == FMT_CITADEL) {
1290 memfmout(80, mptr, 0, nl);
1293 /* If the message on disk is format 4 (MIME), we've gotta hand it
1294 * off to the MIME parser. The client has already been told that
1295 * this message is format 1 (fixed format), so the callback function
1296 * we use will display those parts as-is.
1298 if (TheMessage->cm_format_type == FMT_RFC822) {
1299 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1300 memset(ma, 0, sizeof(struct ma_info));
1301 mime_parser(mptr, NULL,
1302 *fixed_output, *fixed_output_pre, *fixed_output_post,
1306 /* now we're done */
1307 if (do_proto) cprintf("000\n");
1314 * display a message (mode 0 - Citadel proprietary)
1316 void cmd_msg0(char *cmdbuf)
1319 int headers_only = 0;
1321 msgid = extract_long(cmdbuf, 0);
1322 headers_only = extract_int(cmdbuf, 1);
1324 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1330 * display a message (mode 2 - RFC822)
1332 void cmd_msg2(char *cmdbuf)
1335 int headers_only = 0;
1337 msgid = extract_long(cmdbuf, 0);
1338 headers_only = extract_int(cmdbuf, 1);
1340 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1346 * display a message (mode 3 - IGnet raw format - internal programs only)
1348 void cmd_msg3(char *cmdbuf)
1351 struct CtdlMessage *msg;
1354 if (CC->internal_pgm == 0) {
1355 cprintf("%d This command is for internal programs only.\n",
1360 msgnum = extract_long(cmdbuf, 0);
1361 msg = CtdlFetchMessage(msgnum);
1363 cprintf("%d Message %ld not found.\n",
1368 serialize_message(&smr, msg);
1369 CtdlFreeMessage(msg);
1372 cprintf("%d Unable to serialize message\n",
1373 ERROR+INTERNAL_ERROR);
1377 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1378 client_write(smr.ser, smr.len);
1385 * display a message (mode 4 - MIME) (FIXME ... still evolving, not complete)
1387 void cmd_msg4(char *cmdbuf)
1391 msgid = extract_long(cmdbuf, 0);
1392 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1396 * Open a component of a MIME message as a download file
1398 void cmd_opna(char *cmdbuf)
1402 CtdlAllocUserData(SYM_DESIRED_SECTION, SIZ);
1404 msgid = extract_long(cmdbuf, 0);
1405 extract(desired_section, cmdbuf, 1);
1407 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1412 * Save a message pointer into a specified room
1413 * (Returns 0 for success, nonzero for failure)
1414 * roomname may be NULL to use the current room
1416 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1418 char hold_rm[ROOMNAMELEN];
1419 struct cdbdata *cdbfr;
1422 long highest_msg = 0L;
1423 struct CtdlMessage *msg = NULL;
1425 lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1426 roomname, msgid, flags);
1428 strcpy(hold_rm, CC->quickroom.QRname);
1430 /* We may need to check to see if this message is real */
1431 if ( (flags & SM_VERIFY_GOODNESS)
1432 || (flags & SM_DO_REPL_CHECK)
1434 msg = CtdlFetchMessage(msgid);
1435 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1438 /* Perform replication checks if necessary */
1439 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1441 if (getroom(&CC->quickroom,
1442 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1444 lprintf(9, "No such room <%s>\n", roomname);
1445 if (msg != NULL) CtdlFreeMessage(msg);
1446 return(ERROR + ROOM_NOT_FOUND);
1449 if (ReplicationChecks(msg) != 0) {
1450 getroom(&CC->quickroom, hold_rm);
1451 if (msg != NULL) CtdlFreeMessage(msg);
1452 lprintf(9, "Did replication, and newer exists\n");
1457 /* Now the regular stuff */
1458 if (lgetroom(&CC->quickroom,
1459 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1461 lprintf(9, "No such room <%s>\n", roomname);
1462 if (msg != NULL) CtdlFreeMessage(msg);
1463 return(ERROR + ROOM_NOT_FOUND);
1466 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
1467 if (cdbfr == NULL) {
1471 msglist = mallok(cdbfr->len);
1472 if (msglist == NULL)
1473 lprintf(3, "ERROR malloc msglist!\n");
1474 num_msgs = cdbfr->len / sizeof(long);
1475 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1480 /* Make sure the message doesn't already exist in this room. It
1481 * is absolutely taboo to have more than one reference to the same
1482 * message in a room.
1484 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1485 if (msglist[i] == msgid) {
1486 lputroom(&CC->quickroom); /* unlock the room */
1487 getroom(&CC->quickroom, hold_rm);
1488 if (msg != NULL) CtdlFreeMessage(msg);
1489 return(ERROR + ALREADY_EXISTS);
1493 /* Now add the new message */
1495 msglist = reallok(msglist,
1496 (num_msgs * sizeof(long)));
1498 if (msglist == NULL) {
1499 lprintf(3, "ERROR: can't realloc message list!\n");
1501 msglist[num_msgs - 1] = msgid;
1503 /* Sort the message list, so all the msgid's are in order */
1504 num_msgs = sort_msglist(msglist, num_msgs);
1506 /* Determine the highest message number */
1507 highest_msg = msglist[num_msgs - 1];
1509 /* Write it back to disk. */
1510 cdb_store(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long),
1511 msglist, num_msgs * sizeof(long));
1513 /* Free up the memory we used. */
1516 /* Update the highest-message pointer and unlock the room. */
1517 CC->quickroom.QRhighest = highest_msg;
1518 lputroom(&CC->quickroom);
1519 getroom(&CC->quickroom, hold_rm);
1521 /* Bump the reference count for this message. */
1522 if ((flags & SM_DONT_BUMP_REF)==0) {
1523 AdjRefCount(msgid, +1);
1526 /* Return success. */
1527 if (msg != NULL) CtdlFreeMessage(msg);
1534 * Message base operation to send a message to the master file
1535 * (returns new message number)
1537 * This is the back end for CtdlSubmitMsg() and should not be directly
1538 * called by server-side modules.
1541 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1542 FILE *save_a_copy) /* save a copy to disk? */
1549 /* Get a new message number */
1550 newmsgid = get_new_message_number();
1551 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1553 /* Generate an ID if we don't have one already */
1554 if (msg->cm_fields['I']==NULL) {
1555 msg->cm_fields['I'] = strdoop(msgidbuf);
1558 serialize_message(&smr, msg);
1561 cprintf("%d Unable to serialize message\n",
1562 ERROR+INTERNAL_ERROR);
1566 /* Write our little bundle of joy into the message base */
1567 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1568 smr.ser, smr.len) < 0) {
1569 lprintf(2, "Can't store message\n");
1575 /* If the caller specified that a copy should be saved to a particular
1576 * file handle, do that now too.
1578 if (save_a_copy != NULL) {
1579 fwrite(smr.ser, smr.len, 1, save_a_copy);
1582 /* Free the memory we used for the serialized message */
1585 /* Return the *local* message ID to the caller
1586 * (even if we're storing an incoming network message)
1594 * Serialize a struct CtdlMessage into the format used on disk and network.
1596 * This function loads up a "struct ser_ret" (defined in server.h) which
1597 * contains the length of the serialized message and a pointer to the
1598 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1600 void serialize_message(struct ser_ret *ret, /* return values */
1601 struct CtdlMessage *msg) /* unserialized msg */
1605 static char *forder = FORDER;
1607 if (is_valid_message(msg) == 0) return; /* self check */
1610 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1611 ret->len = ret->len +
1612 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1614 lprintf(9, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1615 ret->ser = mallok(ret->len);
1616 if (ret->ser == NULL) {
1622 ret->ser[1] = msg->cm_anon_type;
1623 ret->ser[2] = msg->cm_format_type;
1626 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1627 ret->ser[wlen++] = (char)forder[i];
1628 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1629 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1631 if (ret->len != wlen) lprintf(3, "ERROR: len=%ld wlen=%ld\n",
1632 (long)ret->len, (long)wlen);
1640 * Back end for the ReplicationChecks() function
1642 void check_repl(long msgnum, void *userdata) {
1643 struct CtdlMessage *msg;
1644 time_t timestamp = (-1L);
1646 lprintf(9, "check_repl() found message %ld\n", msgnum);
1647 msg = CtdlFetchMessage(msgnum);
1648 if (msg == NULL) return;
1649 if (msg->cm_fields['T'] != NULL) {
1650 timestamp = atol(msg->cm_fields['T']);
1652 CtdlFreeMessage(msg);
1654 if (timestamp > msg_repl->highest) {
1655 msg_repl->highest = timestamp; /* newer! */
1656 lprintf(9, "newer!\n");
1659 lprintf(9, "older!\n");
1661 /* Existing isn't newer? Then delete the old one(s). */
1662 CtdlDeleteMessages(CC->quickroom.QRname, msgnum, "");
1667 * Check to see if any messages already exist which carry the same Extended ID
1671 * -> With older timestamps: delete them and return 0. Message will be saved.
1672 * -> With newer timestamps: return 1. Message save will be aborted.
1674 int ReplicationChecks(struct CtdlMessage *msg) {
1675 struct CtdlMessage *template;
1678 lprintf(9, "ReplicationChecks() started\n");
1679 /* No extended id? Don't do anything. */
1680 if (msg->cm_fields['E'] == NULL) return 0;
1681 if (strlen(msg->cm_fields['E']) == 0) return 0;
1682 lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
1684 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1685 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1686 msg_repl->highest = atol(msg->cm_fields['T']);
1688 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1689 memset(template, 0, sizeof(struct CtdlMessage));
1690 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1692 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl, NULL);
1694 /* If a newer message exists with the same Extended ID, abort
1697 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1701 CtdlFreeMessage(template);
1702 lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
1710 * Save a message to disk and submit it into the delivery system.
1712 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1713 struct recptypes *recps, /* recipients (if mail) */
1714 char *force /* force a particular room? */
1717 char hold_rm[ROOMNAMELEN];
1718 char actual_rm[ROOMNAMELEN];
1719 char force_room[ROOMNAMELEN];
1720 char content_type[SIZ]; /* We have to learn this */
1721 char recipient[SIZ];
1724 struct usersupp userbuf;
1726 struct MetaData smi;
1727 FILE *network_fp = NULL;
1728 static int seqnum = 1;
1729 struct CtdlMessage *imsg = NULL;
1732 char *hold_R, *hold_D;
1734 lprintf(9, "CtdlSubmitMsg() called\n");
1735 if (is_valid_message(msg) == 0) return(-1); /* self check */
1737 /* If this message has no timestamp, we take the liberty of
1738 * giving it one, right now.
1740 if (msg->cm_fields['T'] == NULL) {
1741 lprintf(9, "Generating timestamp\n");
1742 snprintf(aaa, sizeof aaa, "%ld", (long)time(NULL));
1743 msg->cm_fields['T'] = strdoop(aaa);
1746 /* If this message has no path, we generate one.
1748 if (msg->cm_fields['P'] == NULL) {
1749 lprintf(9, "Generating path\n");
1750 if (msg->cm_fields['A'] != NULL) {
1751 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1752 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1753 if (isspace(msg->cm_fields['P'][a])) {
1754 msg->cm_fields['P'][a] = ' ';
1759 msg->cm_fields['P'] = strdoop("unknown");
1763 strcpy(force_room, force);
1765 /* Learn about what's inside, because it's what's inside that counts */
1766 lprintf(9, "Learning what's inside\n");
1767 if (msg->cm_fields['M'] == NULL) {
1768 lprintf(1, "ERROR: attempt to save message with NULL body\n");
1771 switch (msg->cm_format_type) {
1773 strcpy(content_type, "text/x-citadel-variformat");
1776 strcpy(content_type, "text/plain");
1779 strcpy(content_type, "text/plain");
1780 /* advance past header fields */
1781 mptr = msg->cm_fields['M'];
1784 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1785 safestrncpy(content_type, mptr,
1786 sizeof(content_type));
1787 strcpy(content_type, &content_type[14]);
1788 for (a = 0; a < strlen(content_type); ++a)
1789 if ((content_type[a] == ';')
1790 || (content_type[a] == ' ')
1791 || (content_type[a] == 13)
1792 || (content_type[a] == 10))
1793 content_type[a] = 0;
1800 /* Goto the correct room */
1801 lprintf(9, "Switching rooms\n");
1802 strcpy(hold_rm, CC->quickroom.QRname);
1803 strcpy(actual_rm, CC->quickroom.QRname);
1804 if (recps != NULL) {
1805 strcpy(actual_rm, SENTITEMS);
1808 /* If the user is a twit, move to the twit room for posting */
1809 lprintf(9, "Handling twit stuff\n");
1811 if (CC->usersupp.axlevel == 2) {
1812 strcpy(hold_rm, actual_rm);
1813 strcpy(actual_rm, config.c_twitroom);
1817 /* ...or if this message is destined for Aide> then go there. */
1818 if (strlen(force_room) > 0) {
1819 strcpy(actual_rm, force_room);
1822 lprintf(9, "Possibly relocating\n");
1823 if (strcasecmp(actual_rm, CC->quickroom.QRname)) {
1824 getroom(&CC->quickroom, actual_rm);
1828 * If this message has no O (room) field, generate one.
1830 if (msg->cm_fields['O'] == NULL) {
1831 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1834 /* Perform "before save" hooks (aborting if any return nonzero) */
1835 lprintf(9, "Performing before-save hooks\n");
1836 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
1838 /* If this message has an Extended ID, perform replication checks */
1839 lprintf(9, "Performing replication checks\n");
1840 if (ReplicationChecks(msg) > 0) return(-1);
1842 /* Save it to disk */
1843 lprintf(9, "Saving to disk\n");
1844 newmsgid = send_message(msg, NULL);
1845 if (newmsgid <= 0L) return(-1);
1847 /* Write a supplemental message info record. This doesn't have to
1848 * be a critical section because nobody else knows about this message
1851 lprintf(9, "Creating MetaData record\n");
1852 memset(&smi, 0, sizeof(struct MetaData));
1853 smi.meta_msgnum = newmsgid;
1854 smi.meta_refcount = 0;
1855 safestrncpy(smi.meta_content_type, content_type, 64);
1858 /* Now figure out where to store the pointers */
1859 lprintf(9, "Storing pointers\n");
1861 /* If this is being done by the networker delivering a private
1862 * message, we want to BYPASS saving the sender's copy (because there
1863 * is no local sender; it would otherwise go to the Trashcan).
1865 if ((!CC->internal_pgm) || (recps == NULL)) {
1866 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
1867 lprintf(3, "ERROR saving message pointer!\n");
1868 CtdlSaveMsgPointerInRoom(AIDEROOM, newmsgid, 0);
1872 /* For internet mail, drop a copy in the outbound queue room */
1874 if (recps->num_internet > 0) {
1875 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
1878 /* If other rooms are specified, drop them there too. */
1880 if (recps->num_room > 0)
1881 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
1882 extract(recipient, recps->recp_room, i);
1883 lprintf(9, "Delivering to local room <%s>\n", recipient);
1884 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
1887 /* Bump this user's messages posted counter. */
1888 lprintf(9, "Updating user\n");
1889 lgetuser(&CC->usersupp, CC->curr_user);
1890 CC->usersupp.posted = CC->usersupp.posted + 1;
1891 lputuser(&CC->usersupp);
1893 /* If this is private, local mail, make a copy in the
1894 * recipient's mailbox and bump the reference count.
1897 if (recps->num_local > 0)
1898 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
1899 extract(recipient, recps->recp_local, i);
1900 lprintf(9, "Delivering private local mail to <%s>\n",
1902 if (getuser(&userbuf, recipient) == 0) {
1903 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
1904 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
1905 BumpNewMailCounter(userbuf.usernum);
1908 lprintf(9, "No user <%s>\n", recipient);
1909 CtdlSaveMsgPointerInRoom(AIDEROOM, newmsgid, 0);
1913 /* Perform "after save" hooks */
1914 lprintf(9, "Performing after-save hooks\n");
1915 PerformMessageHooks(msg, EVT_AFTERSAVE);
1917 /* For IGnet mail, we have to save a new copy into the spooler for
1918 * each recipient, with the R and D fields set to the recipient and
1919 * destination-node. This has two ugly side effects: all other
1920 * recipients end up being unlisted in this recipient's copy of the
1921 * message, and it has to deliver multiple messages to the same
1922 * node. We'll revisit this again in a year or so when everyone has
1923 * a network spool receiver that can handle the new style messages.
1926 if (recps->num_ignet > 0)
1927 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
1928 extract(recipient, recps->recp_ignet, i);
1930 hold_R = msg->cm_fields['R'];
1931 hold_D = msg->cm_fields['D'];
1932 msg->cm_fields['R'] = mallok(SIZ);
1933 msg->cm_fields['D'] = mallok(SIZ);
1934 extract_token(msg->cm_fields['R'], recipient, 0, '@');
1935 extract_token(msg->cm_fields['D'], recipient, 1, '@');
1937 serialize_message(&smr, msg);
1939 snprintf(aaa, sizeof aaa,
1940 "./network/spoolin/netmail.%04lx.%04x.%04x",
1941 (long) getpid(), CC->cs_pid, ++seqnum);
1942 network_fp = fopen(aaa, "wb+");
1943 if (network_fp != NULL) {
1944 fwrite(smr.ser, smr.len, 1, network_fp);
1950 phree(msg->cm_fields['R']);
1951 phree(msg->cm_fields['D']);
1952 msg->cm_fields['R'] = hold_R;
1953 msg->cm_fields['D'] = hold_D;
1956 /* Go back to the room we started from */
1957 lprintf(9, "Returning to original room\n");
1958 if (strcasecmp(hold_rm, CC->quickroom.QRname))
1959 getroom(&CC->quickroom, hold_rm);
1961 /* For internet mail, generate delivery instructions.
1962 * Yes, this is recursive. Deal with it. Infinite recursion does
1963 * not happen because the delivery instructions message does not
1964 * contain a recipient.
1967 if (recps->num_internet > 0) {
1968 lprintf(9, "Generating delivery instructions\n");
1969 instr = mallok(SIZ * 2);
1970 snprintf(instr, SIZ * 2,
1971 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
1973 SPOOLMIME, newmsgid, (long)time(NULL),
1974 msg->cm_fields['A'], msg->cm_fields['N']
1977 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
1978 size_t tmp = strlen(instr);
1979 extract(recipient, recps->recp_internet, i);
1980 snprintf(&instr[tmp], SIZ * 2 - tmp,
1981 "remote|%s|0||\n", recipient);
1984 imsg = mallok(sizeof(struct CtdlMessage));
1985 memset(imsg, 0, sizeof(struct CtdlMessage));
1986 imsg->cm_magic = CTDLMESSAGE_MAGIC;
1987 imsg->cm_anon_type = MES_NORMAL;
1988 imsg->cm_format_type = FMT_RFC822;
1989 imsg->cm_fields['A'] = strdoop("Citadel");
1990 imsg->cm_fields['M'] = instr;
1991 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
1992 CtdlFreeMessage(imsg);
2001 * Convenience function for generating small administrative messages.
2003 void quickie_message(char *from, char *to, char *room, char *text)
2005 struct CtdlMessage *msg;
2007 msg = mallok(sizeof(struct CtdlMessage));
2008 memset(msg, 0, sizeof(struct CtdlMessage));
2009 msg->cm_magic = CTDLMESSAGE_MAGIC;
2010 msg->cm_anon_type = MES_NORMAL;
2011 msg->cm_format_type = 0;
2012 msg->cm_fields['A'] = strdoop(from);
2013 msg->cm_fields['O'] = strdoop(room);
2014 msg->cm_fields['N'] = strdoop(NODENAME);
2016 msg->cm_fields['R'] = strdoop(to);
2017 msg->cm_fields['M'] = strdoop(text);
2019 CtdlSubmitMsg(msg, NULL, room);
2020 CtdlFreeMessage(msg);
2021 syslog(LOG_NOTICE, text);
2027 * Back end function used by make_message() and similar functions
2029 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2030 size_t maxlen, /* maximum message length */
2031 char *exist /* if non-null, append to it;
2032 exist is ALWAYS freed */
2036 size_t message_len = 0;
2037 size_t buffer_len = 0;
2041 if (exist == NULL) {
2048 message_len = strlen(exist);
2049 buffer_len = message_len + 4096;
2050 m = reallok(exist, buffer_len);
2057 /* flush the input if we have nowhere to store it */
2059 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) ;;
2063 /* read in the lines of message text one by one */
2064 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) {
2066 /* strip trailing newline type stuff */
2067 if (buf[strlen(buf)-1]==10) buf[strlen(buf)-1]=0;
2068 if (buf[strlen(buf)-1]==13) buf[strlen(buf)-1]=0;
2070 linelen = strlen(buf);
2072 /* augment the buffer if we have to */
2073 if ((message_len + linelen + 2) > buffer_len) {
2074 lprintf(9, "realloking\n");
2075 ptr = reallok(m, (buffer_len * 2) );
2076 if (ptr == NULL) { /* flush if can't allocate */
2077 while ( (client_gets(buf)>0) &&
2078 strcmp(buf, terminator)) ;;
2081 buffer_len = (buffer_len * 2);
2083 lprintf(9, "buffer_len is %ld\n", (long)buffer_len);
2087 /* Add the new line to the buffer. NOTE: this loop must avoid
2088 * using functions like strcat() and strlen() because they
2089 * traverse the entire buffer upon every call, and doing that
2090 * for a multi-megabyte message slows it down beyond usability.
2092 strcpy(&m[message_len], buf);
2093 m[message_len + linelen] = '\n';
2094 m[message_len + linelen + 1] = 0;
2095 message_len = message_len + linelen + 1;
2097 /* if we've hit the max msg length, flush the rest */
2098 if (message_len >= maxlen) {
2099 while ( (client_gets(buf)>0)
2100 && strcmp(buf, terminator)) ;;
2111 * Build a binary message to be saved on disk.
2114 static struct CtdlMessage *make_message(
2115 struct usersupp *author, /* author's usersupp structure */
2116 char *recipient, /* NULL if it's not mail */
2117 char *room, /* room where it's going */
2118 int type, /* see MES_ types in header file */
2119 int format_type, /* variformat, plain text, MIME... */
2120 char *fake_name, /* who we're masquerading as */
2121 char *subject /* Subject (optional) */
2123 char dest_node[SIZ];
2125 struct CtdlMessage *msg;
2127 msg = mallok(sizeof(struct CtdlMessage));
2128 memset(msg, 0, sizeof(struct CtdlMessage));
2129 msg->cm_magic = CTDLMESSAGE_MAGIC;
2130 msg->cm_anon_type = type;
2131 msg->cm_format_type = format_type;
2133 /* Don't confuse the poor folks if it's not routed mail. */
2134 strcpy(dest_node, "");
2138 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2139 msg->cm_fields['P'] = strdoop(buf);
2141 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2142 msg->cm_fields['T'] = strdoop(buf);
2144 if (fake_name[0]) /* author */
2145 msg->cm_fields['A'] = strdoop(fake_name);
2147 msg->cm_fields['A'] = strdoop(author->fullname);
2149 if (CC->quickroom.QRflags & QR_MAILBOX) { /* room */
2150 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
2153 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
2156 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
2157 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
2159 if (recipient[0] != 0) {
2160 msg->cm_fields['R'] = strdoop(recipient);
2162 if (dest_node[0] != 0) {
2163 msg->cm_fields['D'] = strdoop(dest_node);
2166 if ( (author == &CC->usersupp) && (CC->cs_inet_email != NULL) ) {
2167 msg->cm_fields['F'] = strdoop(CC->cs_inet_email);
2170 if (subject != NULL) {
2172 if (strlen(subject) > 0) {
2173 msg->cm_fields['U'] = strdoop(subject);
2177 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2178 config.c_maxmsglen, NULL);
2185 * Check to see whether we have permission to post a message in the current
2186 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2187 * returns 0 on success.
2189 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2191 if (!(CC->logged_in)) {
2192 snprintf(errmsgbuf, n, "Not logged in.");
2193 return (ERROR + NOT_LOGGED_IN);
2196 if ((CC->usersupp.axlevel < 2)
2197 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
2198 snprintf(errmsgbuf, n, "Need to be validated to enter "
2199 "(except in %s> to sysop)", MAILROOM);
2200 return (ERROR + HIGHER_ACCESS_REQUIRED);
2203 if ((CC->usersupp.axlevel < 4)
2204 && (CC->quickroom.QRflags & QR_NETWORK)) {
2205 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2206 return (ERROR + HIGHER_ACCESS_REQUIRED);
2209 if ((CC->usersupp.axlevel < 6)
2210 && (CC->quickroom.QRflags & QR_READONLY)) {
2211 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2212 return (ERROR + HIGHER_ACCESS_REQUIRED);
2215 strcpy(errmsgbuf, "Ok");
2221 * Validate recipients, count delivery types and errors, and handle aliasing
2222 * FIXME check for dupes!!!!!
2224 struct recptypes *validate_recipients(char *recipients) {
2225 struct recptypes *ret;
2226 char this_recp[SIZ];
2227 char this_recp_cooked[SIZ];
2233 struct usersupp tempUS;
2234 struct quickroom tempQR;
2237 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2238 if (ret == NULL) return(NULL);
2239 memset(ret, 0, sizeof(struct recptypes));
2242 ret->num_internet = 0;
2247 if (recipients == NULL) {
2250 else if (strlen(recipients) == 0) {
2254 /* Change all valid separator characters to commas */
2255 for (i=0; i<strlen(recipients); ++i) {
2256 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2257 recipients[i] = ',';
2262 num_recps = num_tokens(recipients, ',');
2265 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2266 extract_token(this_recp, recipients, i, ',');
2268 lprintf(9, "Evaluating recipient #%d <%s>\n", i, this_recp);
2269 mailtype = alias(this_recp);
2270 mailtype = alias(this_recp);
2271 mailtype = alias(this_recp);
2272 for (j=0; j<=strlen(this_recp); ++j) {
2273 if (this_recp[j]=='_') {
2274 this_recp_cooked[j] = ' ';
2277 this_recp_cooked[j] = this_recp[j];
2283 if (!strcasecmp(this_recp, "sysop")) {
2285 strcpy(this_recp, AIDEROOM);
2286 if (strlen(ret->recp_room) > 0) {
2287 strcat(ret->recp_room, "|");
2289 strcat(ret->recp_room, this_recp);
2291 else if (getuser(&tempUS, this_recp) == 0) {
2293 strcpy(this_recp, tempUS.fullname);
2294 if (strlen(ret->recp_local) > 0) {
2295 strcat(ret->recp_local, "|");
2297 strcat(ret->recp_local, this_recp);
2299 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2301 strcpy(this_recp, tempUS.fullname);
2302 if (strlen(ret->recp_local) > 0) {
2303 strcat(ret->recp_local, "|");
2305 strcat(ret->recp_local, this_recp);
2307 else if ( (!strncasecmp(this_recp, "room_", 5))
2308 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2310 if (strlen(ret->recp_room) > 0) {
2311 strcat(ret->recp_room, "|");
2313 strcat(ret->recp_room, &this_recp_cooked[5]);
2321 ++ret->num_internet;
2322 if (strlen(ret->recp_internet) > 0) {
2323 strcat(ret->recp_internet, "|");
2325 strcat(ret->recp_internet, this_recp);
2329 if (strlen(ret->recp_ignet) > 0) {
2330 strcat(ret->recp_ignet, "|");
2332 strcat(ret->recp_ignet, this_recp);
2340 if (strlen(ret->errormsg) == 0) {
2341 snprintf(append, sizeof append,
2342 "Invalid recipient: %s",
2346 snprintf(append, sizeof append,
2349 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2350 strcat(ret->errormsg, append);
2354 if (strlen(ret->display_recp) == 0) {
2355 strcpy(append, this_recp);
2358 snprintf(append, sizeof append, ", %s",
2361 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2362 strcat(ret->display_recp, append);
2367 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2368 ret->num_room + ret->num_error) == 0) {
2370 strcpy(ret->errormsg, "No recipients specified.");
2373 lprintf(9, "validate_recipients()\n");
2374 lprintf(9, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2375 lprintf(9, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2376 lprintf(9, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2377 lprintf(9, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2378 lprintf(9, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2386 * message entry - mode 0 (normal)
2388 void cmd_ent0(char *entargs)
2392 char masquerade_as[SIZ];
2394 int format_type = 0;
2395 char newusername[SIZ];
2396 struct CtdlMessage *msg;
2400 struct recptypes *valid = NULL;
2403 post = extract_int(entargs, 0);
2404 extract(recp, entargs, 1);
2405 anon_flag = extract_int(entargs, 2);
2406 format_type = extract_int(entargs, 3);
2407 extract(subject, entargs, 4);
2409 /* first check to make sure the request is valid. */
2411 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2413 cprintf("%d %s\n", err, errmsg);
2417 /* Check some other permission type things. */
2420 if (CC->usersupp.axlevel < 6) {
2421 cprintf("%d You don't have permission to masquerade.\n",
2422 ERROR + HIGHER_ACCESS_REQUIRED);
2425 extract(newusername, entargs, 4);
2426 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2427 safestrncpy(CC->fake_postname, newusername,
2428 sizeof(CC->fake_postname) );
2429 cprintf("%d ok\n", CIT_OK);
2432 CC->cs_flags |= CS_POSTING;
2434 /* In the Mail> room we have to behave a little differently --
2435 * make sure the user has specified at least one recipient. Then
2436 * validate the recipient(s).
2438 if ( (CC->quickroom.QRflags & QR_MAILBOX)
2439 && (!strcasecmp(&CC->quickroom.QRname[11], MAILROOM)) ) {
2441 if (CC->usersupp.axlevel < 2) {
2442 strcpy(recp, "sysop");
2445 valid = validate_recipients(recp);
2446 if (valid->num_error > 0) {
2448 ERROR + NO_SUCH_USER, valid->errormsg);
2453 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2454 && (CC->usersupp.axlevel < 4) ) {
2455 cprintf("%d Higher access required for network mail.\n",
2456 ERROR + HIGHER_ACCESS_REQUIRED);
2461 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2462 && ((CC->usersupp.flags & US_INTERNET) == 0)
2463 && (!CC->internal_pgm)) {
2464 cprintf("%d You don't have access to Internet mail.\n",
2465 ERROR + HIGHER_ACCESS_REQUIRED);
2472 /* Is this a room which has anonymous-only or anonymous-option? */
2473 anonymous = MES_NORMAL;
2474 if (CC->quickroom.QRflags & QR_ANONONLY) {
2475 anonymous = MES_ANONONLY;
2477 if (CC->quickroom.QRflags & QR_ANONOPT) {
2478 if (anon_flag == 1) { /* only if the user requested it */
2479 anonymous = MES_ANONOPT;
2483 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0) {
2487 /* If we're only checking the validity of the request, return
2488 * success without creating the message.
2491 cprintf("%d %s\n", CIT_OK,
2492 ((valid != NULL) ? valid->display_recp : "") );
2497 /* Handle author masquerading */
2498 if (CC->fake_postname[0]) {
2499 strcpy(masquerade_as, CC->fake_postname);
2501 else if (CC->fake_username[0]) {
2502 strcpy(masquerade_as, CC->fake_username);
2505 strcpy(masquerade_as, "");
2508 /* Read in the message from the client. */
2509 cprintf("%d send message\n", SEND_LISTING);
2510 msg = make_message(&CC->usersupp, recp,
2511 CC->quickroom.QRname, anonymous, format_type,
2512 masquerade_as, subject);
2515 CtdlSubmitMsg(msg, valid, "");
2516 CtdlFreeMessage(msg);
2518 CC->fake_postname[0] = '\0';
2526 * API function to delete messages which match a set of criteria
2527 * (returns the actual number of messages deleted)
2529 int CtdlDeleteMessages(char *room_name, /* which room */
2530 long dmsgnum, /* or "0" for any */
2531 char *content_type /* or "" for any */
2535 struct quickroom qrbuf;
2536 struct cdbdata *cdbfr;
2537 long *msglist = NULL;
2538 long *dellist = NULL;
2541 int num_deleted = 0;
2543 struct MetaData smi;
2545 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2546 room_name, dmsgnum, content_type);
2548 /* get room record, obtaining a lock... */
2549 if (lgetroom(&qrbuf, room_name) != 0) {
2550 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2552 return (0); /* room not found */
2554 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2556 if (cdbfr != NULL) {
2557 msglist = mallok(cdbfr->len);
2558 dellist = mallok(cdbfr->len);
2559 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2560 num_msgs = cdbfr->len / sizeof(long);
2564 for (i = 0; i < num_msgs; ++i) {
2567 /* Set/clear a bit for each criterion */
2569 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2570 delete_this |= 0x01;
2572 if (strlen(content_type) == 0) {
2573 delete_this |= 0x02;
2575 GetMetaData(&smi, msglist[i]);
2576 if (!strcasecmp(smi.meta_content_type,
2578 delete_this |= 0x02;
2582 /* Delete message only if all bits are set */
2583 if (delete_this == 0x03) {
2584 dellist[num_deleted++] = msglist[i];
2589 num_msgs = sort_msglist(msglist, num_msgs);
2590 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2591 msglist, (num_msgs * sizeof(long)));
2593 qrbuf.QRhighest = msglist[num_msgs - 1];
2597 /* Go through the messages we pulled out of the index, and decrement
2598 * their reference counts by 1. If this is the only room the message
2599 * was in, the reference count will reach zero and the message will
2600 * automatically be deleted from the database. We do this in a
2601 * separate pass because there might be plug-in hooks getting called,
2602 * and we don't want that happening during an S_QUICKROOM critical
2605 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2606 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2607 AdjRefCount(dellist[i], -1);
2610 /* Now free the memory we used, and go away. */
2611 if (msglist != NULL) phree(msglist);
2612 if (dellist != NULL) phree(dellist);
2613 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2614 return (num_deleted);
2620 * Check whether the current user has permission to delete messages from
2621 * the current room (returns 1 for yes, 0 for no)
2623 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2624 getuser(&CC->usersupp, CC->curr_user);
2625 if ((CC->usersupp.axlevel < 6)
2626 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2627 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2628 && (!(CC->internal_pgm))) {
2637 * Delete message from current room
2639 void cmd_dele(char *delstr)
2644 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2645 cprintf("%d Higher access required.\n",
2646 ERROR + HIGHER_ACCESS_REQUIRED);
2649 delnum = extract_long(delstr, 0);
2651 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, "");
2654 cprintf("%d %d message%s deleted.\n", CIT_OK,
2655 num_deleted, ((num_deleted != 1) ? "s" : ""));
2657 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2663 * Back end API function for moves and deletes
2665 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2668 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2669 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2670 if (err != 0) return(err);
2678 * move or copy a message to another room
2680 void cmd_move(char *args)
2684 struct quickroom qtemp;
2688 num = extract_long(args, 0);
2689 extract(targ, args, 1);
2690 targ[ROOMNAMELEN - 1] = 0;
2691 is_copy = extract_int(args, 2);
2693 if (getroom(&qtemp, targ) != 0) {
2694 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2698 getuser(&CC->usersupp, CC->curr_user);
2699 /* Aides can move/copy */
2700 if ((CC->usersupp.axlevel < 6)
2701 /* Roomaides can move/copy */
2702 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2703 /* Permit move/copy to/from personal rooms */
2704 && (!((CC->quickroom.QRflags & QR_MAILBOX)
2705 && (qtemp.QRflags & QR_MAILBOX)))
2706 /* Permit only copy from public to personal room */
2707 && (!(is_copy && !(CC->quickroom.QRflags & QR_MAILBOX)
2708 && (qtemp.QRflags & QR_MAILBOX)))) {
2709 cprintf("%d Higher access required.\n",
2710 ERROR + HIGHER_ACCESS_REQUIRED);
2714 err = CtdlCopyMsgToRoom(num, targ);
2716 cprintf("%d Cannot store message in %s: error %d\n",
2721 /* Now delete the message from the source room,
2722 * if this is a 'move' rather than a 'copy' operation.
2725 CtdlDeleteMessages(CC->quickroom.QRname, num, "");
2728 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
2734 * GetMetaData() - Get the supplementary record for a message
2736 void GetMetaData(struct MetaData *smibuf, long msgnum)
2739 struct cdbdata *cdbsmi;
2742 memset(smibuf, 0, sizeof(struct MetaData));
2743 smibuf->meta_msgnum = msgnum;
2744 smibuf->meta_refcount = 1; /* Default reference count is 1 */
2746 /* Use the negative of the message number for its supp record index */
2747 TheIndex = (0L - msgnum);
2749 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2750 if (cdbsmi == NULL) {
2751 return; /* record not found; go with defaults */
2753 memcpy(smibuf, cdbsmi->ptr,
2754 ((cdbsmi->len > sizeof(struct MetaData)) ?
2755 sizeof(struct MetaData) : cdbsmi->len));
2762 * PutMetaData() - (re)write supplementary record for a message
2764 void PutMetaData(struct MetaData *smibuf)
2768 /* Use the negative of the message number for the metadata db index */
2769 TheIndex = (0L - smibuf->meta_msgnum);
2771 lprintf(9, "PutMetaData(%ld) - ref count is %d\n",
2772 smibuf->meta_msgnum, smibuf->meta_refcount);
2774 cdb_store(CDB_MSGMAIN,
2775 &TheIndex, sizeof(long),
2776 smibuf, sizeof(struct MetaData));
2781 * AdjRefCount - change the reference count for a message;
2782 * delete the message if it reaches zero
2784 void AdjRefCount(long msgnum, int incr)
2787 struct MetaData smi;
2790 /* This is a *tight* critical section; please keep it that way, as
2791 * it may get called while nested in other critical sections.
2792 * Complicating this any further will surely cause deadlock!
2794 begin_critical_section(S_SUPPMSGMAIN);
2795 GetMetaData(&smi, msgnum);
2796 lprintf(9, "Ref count for message <%ld> before write is <%d>\n",
2797 msgnum, smi.meta_refcount);
2798 smi.meta_refcount += incr;
2800 end_critical_section(S_SUPPMSGMAIN);
2801 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
2802 msgnum, smi.meta_refcount);
2804 /* If the reference count is now zero, delete the message
2805 * (and its supplementary record as well).
2807 if (smi.meta_refcount == 0) {
2808 lprintf(9, "Deleting message <%ld>\n", msgnum);
2810 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2812 /* We have to delete the metadata record too! */
2813 delnum = (0L - msgnum);
2814 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2819 * Write a generic object to this room
2821 * Note: this could be much more efficient. Right now we use two temporary
2822 * files, and still pull the message into memory as with all others.
2824 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
2825 char *content_type, /* MIME type of this object */
2826 char *tempfilename, /* Where to fetch it from */
2827 struct usersupp *is_mailbox, /* Mailbox room? */
2828 int is_binary, /* Is encoding necessary? */
2829 int is_unique, /* Del others of this type? */
2830 unsigned int flags /* Internal save flags */
2835 char filename[PATH_MAX];
2838 struct quickroom qrbuf;
2839 char roomname[ROOMNAMELEN];
2840 struct CtdlMessage *msg;
2843 if (is_mailbox != NULL)
2844 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
2846 safestrncpy(roomname, req_room, sizeof(roomname));
2847 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
2849 strcpy(filename, tmpnam(NULL));
2850 fp = fopen(filename, "w");
2854 tempfp = fopen(tempfilename, "r");
2855 if (tempfp == NULL) {
2861 fprintf(fp, "Content-type: %s\n", content_type);
2862 lprintf(9, "Content-type: %s\n", content_type);
2864 if (is_binary == 0) {
2865 fprintf(fp, "Content-transfer-encoding: 7bit\n\n");
2866 while (ch = getc(tempfp), ch > 0)
2872 fprintf(fp, "Content-transfer-encoding: base64\n\n");
2875 snprintf(cmdbuf, sizeof cmdbuf, "./base64 -e <%s >>%s",
2876 tempfilename, filename);
2880 lprintf(9, "Allocating\n");
2881 msg = mallok(sizeof(struct CtdlMessage));
2882 memset(msg, 0, sizeof(struct CtdlMessage));
2883 msg->cm_magic = CTDLMESSAGE_MAGIC;
2884 msg->cm_anon_type = MES_NORMAL;
2885 msg->cm_format_type = 4;
2886 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
2887 msg->cm_fields['O'] = strdoop(req_room);
2888 msg->cm_fields['N'] = strdoop(config.c_nodename);
2889 msg->cm_fields['H'] = strdoop(config.c_humannode);
2890 msg->cm_flags = flags;
2892 lprintf(9, "Loading\n");
2893 fp = fopen(filename, "rb");
2894 fseek(fp, 0L, SEEK_END);
2897 msg->cm_fields['M'] = mallok(len);
2898 fread(msg->cm_fields['M'], len, 1, fp);
2902 /* Create the requested room if we have to. */
2903 if (getroom(&qrbuf, roomname) != 0) {
2904 create_room(roomname,
2905 ( (is_mailbox != NULL) ? 5 : 3 ),
2908 /* If the caller specified this object as unique, delete all
2909 * other objects of this type that are currently in the room.
2912 lprintf(9, "Deleted %d other msgs of this type\n",
2913 CtdlDeleteMessages(roomname, 0L, content_type));
2915 /* Now write the data */
2916 CtdlSubmitMsg(msg, NULL, roomname);
2917 CtdlFreeMessage(msg);
2925 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
2926 config_msgnum = msgnum;
2930 char *CtdlGetSysConfig(char *sysconfname) {
2931 char hold_rm[ROOMNAMELEN];
2934 struct CtdlMessage *msg;
2937 strcpy(hold_rm, CC->quickroom.QRname);
2938 if (getroom(&CC->quickroom, SYSCONFIGROOM) != 0) {
2939 getroom(&CC->quickroom, hold_rm);
2944 /* We want the last (and probably only) config in this room */
2945 begin_critical_section(S_CONFIG);
2946 config_msgnum = (-1L);
2947 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
2948 CtdlGetSysConfigBackend, NULL);
2949 msgnum = config_msgnum;
2950 end_critical_section(S_CONFIG);
2956 msg = CtdlFetchMessage(msgnum);
2958 conf = strdoop(msg->cm_fields['M']);
2959 CtdlFreeMessage(msg);
2966 getroom(&CC->quickroom, hold_rm);
2968 if (conf != NULL) do {
2969 extract_token(buf, conf, 0, '\n');
2970 strcpy(conf, &conf[strlen(buf)+1]);
2971 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
2976 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
2977 char temp[PATH_MAX];
2980 strcpy(temp, tmpnam(NULL));
2982 fp = fopen(temp, "w");
2983 if (fp == NULL) return;
2984 fprintf(fp, "%s", sysconfdata);
2987 /* this handy API function does all the work for us */
2988 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);