4 * Implements the message store.
18 #if TIME_WITH_SYS_TIME
19 # include <sys/time.h>
23 # include <sys/time.h>
38 #include "serv_extensions.h"
42 #include "sysdep_decls.h"
43 #include "citserver.h"
49 #include "mime_parser.h"
52 #include "internet_addressing.h"
54 #define desired_section ((char *)CtdlGetUserData(SYM_DESIRED_SECTION))
55 #define ma ((struct ma_info *)CtdlGetUserData(SYM_MA_INFO))
56 #define msg_repl ((struct repl *)CtdlGetUserData(SYM_REPL))
58 extern struct config config;
63 * This really belongs in serv_network.c, but I don't know how to export
64 * symbols between modules.
66 struct FilterList *filterlist = NULL;
70 * These are the four-character field headers we use when outputting
71 * messages in Citadel format (as opposed to RFC822 format).
74 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
75 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
76 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
77 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
78 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
79 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
80 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
81 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
108 * This function is self explanatory.
109 * (What can I say, I'm in a weird mood today...)
111 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
115 for (i = 0; i < strlen(name); ++i) {
116 if (name[i] == '@') {
117 while (isspace(name[i - 1]) && i > 0) {
118 strcpy(&name[i - 1], &name[i]);
121 while (isspace(name[i + 1])) {
122 strcpy(&name[i + 1], &name[i + 2]);
130 * Aliasing for network mail.
131 * (Error messages have been commented out, because this is a server.)
133 int alias(char *name)
134 { /* process alias and routing info for mail */
137 char aaa[SIZ], bbb[SIZ];
138 char *ignetcfg = NULL;
139 char *ignetmap = NULL;
146 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
148 fp = fopen("network/mail.aliases", "r");
150 fp = fopen("/dev/null", "r");
157 while (fgets(aaa, sizeof aaa, fp) != NULL) {
158 while (isspace(name[0]))
159 strcpy(name, &name[1]);
160 aaa[strlen(aaa) - 1] = 0;
162 for (a = 0; a < strlen(aaa); ++a) {
164 strcpy(bbb, &aaa[a + 1]);
168 if (!strcasecmp(name, aaa))
173 /* Hit the Global Address Book */
174 if (CtdlDirectoryLookup(aaa, name) == 0) {
178 lprintf(CTDL_INFO, "Mail is being forwarded to %s\n", name);
180 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
181 for (a=0; a<strlen(name); ++a) {
182 if (name[a] == '@') {
183 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
185 lprintf(CTDL_INFO, "Changed to <%s>\n", name);
190 /* determine local or remote type, see citadel.h */
191 at = haschar(name, '@');
192 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
193 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
194 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
196 /* figure out the delivery mode */
197 extract_token(node, name, 1, '@');
199 /* If there are one or more dots in the nodename, we assume that it
200 * is an FQDN and will attempt SMTP delivery to the Internet.
202 if (haschar(node, '.') > 0) {
203 return(MES_INTERNET);
206 /* Otherwise we look in the IGnet maps for a valid Citadel node.
207 * Try directly-connected nodes first...
209 ignetcfg = CtdlGetSysConfig(IGNETCFG);
210 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
211 extract_token(buf, ignetcfg, i, '\n');
212 extract_token(testnode, buf, 0, '|');
213 if (!strcasecmp(node, testnode)) {
221 * Then try nodes that are two or more hops away.
223 ignetmap = CtdlGetSysConfig(IGNETMAP);
224 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
225 extract_token(buf, ignetmap, i, '\n');
226 extract_token(testnode, buf, 0, '|');
227 if (!strcasecmp(node, testnode)) {
234 /* If we get to this point it's an invalid node name */
243 fp = fopen("citadel.control", "r");
245 lprintf(CTDL_CRIT, "Cannot open citadel.control: %s\n",
249 fread((char *) &CitControl, sizeof(struct CitControl), 1, fp);
255 void simple_listing(long msgnum, void *userdata)
257 cprintf("%ld\n", msgnum);
262 /* Determine if a given message matches the fields in a message template.
263 * Return 0 for a successful match.
265 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
268 /* If there aren't any fields in the template, all messages will
271 if (template == NULL) return(0);
273 /* Null messages are bogus. */
274 if (msg == NULL) return(1);
276 for (i='A'; i<='Z'; ++i) {
277 if (template->cm_fields[i] != NULL) {
278 if (msg->cm_fields[i] == NULL) {
281 if (strcasecmp(msg->cm_fields[i],
282 template->cm_fields[i])) return 1;
286 /* All compares succeeded: we have a match! */
293 * Retrieve the "seen" message list for the current room.
295 void CtdlGetSeen(char *buf, int which_set) {
298 /* Learn about the user and room in question */
299 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
301 if (which_set == ctdlsetseen_seen)
302 safestrncpy(buf, vbuf.v_seen, SIZ);
303 if (which_set == ctdlsetseen_answered)
304 safestrncpy(buf, vbuf.v_answered, SIZ);
310 * Manipulate the "seen msgs" string (or other message set strings)
312 void CtdlSetSeen(long target_msgnum, int target_setting, int which_set) {
314 struct cdbdata *cdbfr;
325 /* Learn about the user and room in question */
326 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
328 /* Load the message list */
329 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
331 msglist = malloc(cdbfr->len);
332 memcpy(msglist, cdbfr->ptr, cdbfr->len);
333 num_msgs = cdbfr->len / sizeof(long);
336 return; /* No messages at all? No further action. */
339 /* Decide which message set we're manipulating */
340 if (which_set == ctdlsetseen_seen) strcpy(vset, vbuf.v_seen);
341 if (which_set == ctdlsetseen_answered) strcpy(vset, vbuf.v_answered);
343 lprintf(CTDL_DEBUG, "before optimize: %s\n", vset);
346 for (i=0; i<num_msgs; ++i) {
349 if (msglist[i] == target_msgnum) {
350 is_seen = target_setting;
353 if (is_msg_in_mset(vset, msglist[i])) {
359 if (lo < 0L) lo = msglist[i];
362 if ( ((is_seen == 0) && (was_seen == 1))
363 || ((is_seen == 1) && (i == num_msgs-1)) ) {
366 if ( (strlen(newseen) + 20) > SIZ) {
367 strcpy(newseen, &newseen[20]);
370 tmp = strlen(newseen);
372 strcat(newseen, ",");
376 snprintf(&newseen[tmp], sizeof newseen - tmp,
380 snprintf(&newseen[tmp], sizeof newseen - tmp,
389 /* Decide which message set we're manipulating */
390 if (which_set == ctdlsetseen_seen) strcpy(vbuf.v_seen, newseen);
391 if (which_set == ctdlsetseen_answered) strcpy(vbuf.v_answered, newseen);
393 lprintf(CTDL_DEBUG, " after optimize: %s\n", newseen);
395 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
400 * API function to perform an operation for each qualifying message in the
401 * current room. (Returns the number of messages processed.)
403 int CtdlForEachMessage(int mode, long ref,
405 struct CtdlMessage *compare,
406 void (*CallBack) (long, void *),
412 struct cdbdata *cdbfr;
413 long *msglist = NULL;
415 int num_processed = 0;
418 struct CtdlMessage *msg;
421 int printed_lastold = 0;
423 /* Learn about the user and room in question */
425 getuser(&CC->user, CC->curr_user);
426 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
428 /* Load the message list */
429 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
431 msglist = malloc(cdbfr->len);
432 memcpy(msglist, cdbfr->ptr, cdbfr->len);
433 num_msgs = cdbfr->len / sizeof(long);
436 return 0; /* No messages at all? No further action. */
441 * Now begin the traversal.
443 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
445 /* If the caller is looking for a specific MIME type, filter
446 * out all messages which are not of the type requested.
448 if (content_type != NULL) if (strlen(content_type) > 0) {
450 /* This call to GetMetaData() sits inside this loop
451 * so that we only do the extra database read per msg
452 * if we need to. Doing the extra read all the time
453 * really kills the server. If we ever need to use
454 * metadata for another search criterion, we need to
455 * move the read somewhere else -- but still be smart
456 * enough to only do the read if the caller has
457 * specified something that will need it.
459 GetMetaData(&smi, msglist[a]);
461 if (strcasecmp(smi.meta_content_type, content_type)) {
467 num_msgs = sort_msglist(msglist, num_msgs);
469 /* If a template was supplied, filter out the messages which
470 * don't match. (This could induce some delays!)
473 if (compare != NULL) {
474 for (a = 0; a < num_msgs; ++a) {
475 msg = CtdlFetchMessage(msglist[a]);
477 if (CtdlMsgCmp(msg, compare)) {
480 CtdlFreeMessage(msg);
488 * Now iterate through the message list, according to the
489 * criteria supplied by the caller.
492 for (a = 0; a < num_msgs; ++a) {
493 thismsg = msglist[a];
494 is_seen = is_msg_in_mset(vbuf.v_seen, thismsg);
495 if (is_seen) lastold = thismsg;
500 || ((mode == MSGS_OLD) && (is_seen))
501 || ((mode == MSGS_NEW) && (!is_seen))
502 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
503 || ((mode == MSGS_FIRST) && (a < ref))
504 || ((mode == MSGS_GT) && (thismsg > ref))
505 || ((mode == MSGS_EQ) && (thismsg == ref))
508 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
510 CallBack(lastold, userdata);
514 if (CallBack) CallBack(thismsg, userdata);
518 free(msglist); /* Clean up */
519 return num_processed;
525 * cmd_msgs() - get list of message #'s in this room
526 * implements the MSGS server command using CtdlForEachMessage()
528 void cmd_msgs(char *cmdbuf)
537 int with_template = 0;
538 struct CtdlMessage *template = NULL;
540 extract(which, cmdbuf, 0);
541 cm_ref = extract_int(cmdbuf, 1);
542 with_template = extract_int(cmdbuf, 2);
546 if (!strncasecmp(which, "OLD", 3))
548 else if (!strncasecmp(which, "NEW", 3))
550 else if (!strncasecmp(which, "FIRST", 5))
552 else if (!strncasecmp(which, "LAST", 4))
554 else if (!strncasecmp(which, "GT", 2))
557 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
558 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
563 cprintf("%d Send template then receive message list\n",
565 template = (struct CtdlMessage *)
566 malloc(sizeof(struct CtdlMessage));
567 memset(template, 0, sizeof(struct CtdlMessage));
568 while(client_gets(buf), strcmp(buf,"000")) {
569 extract(tfield, buf, 0);
570 extract(tvalue, buf, 1);
571 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
572 if (!strcasecmp(tfield, msgkeys[i])) {
573 template->cm_fields[i] =
580 cprintf("%d Message list...\n", LISTING_FOLLOWS);
583 CtdlForEachMessage(mode, cm_ref,
584 NULL, template, simple_listing, NULL);
585 if (template != NULL) CtdlFreeMessage(template);
593 * help_subst() - support routine for help file viewer
595 void help_subst(char *strbuf, char *source, char *dest)
600 while (p = pattern2(strbuf, source), (p >= 0)) {
601 strcpy(workbuf, &strbuf[p + strlen(source)]);
602 strcpy(&strbuf[p], dest);
603 strcat(strbuf, workbuf);
608 void do_help_subst(char *buffer)
612 help_subst(buffer, "^nodename", config.c_nodename);
613 help_subst(buffer, "^humannode", config.c_humannode);
614 help_subst(buffer, "^fqdn", config.c_fqdn);
615 help_subst(buffer, "^username", CC->user.fullname);
616 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
617 help_subst(buffer, "^usernum", buf2);
618 help_subst(buffer, "^sysadm", config.c_sysadm);
619 help_subst(buffer, "^variantname", CITADEL);
620 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
621 help_subst(buffer, "^maxsessions", buf2);
622 help_subst(buffer, "^bbsdir", BBSDIR);
628 * memfmout() - Citadel text formatter and paginator.
629 * Although the original purpose of this routine was to format
630 * text to the reader's screen width, all we're really using it
631 * for here is to format text out to 80 columns before sending it
632 * to the client. The client software may reformat it again.
635 int width, /* screen width to use */
636 char *mptr, /* where are we going to get our text from? */
637 char subst, /* nonzero if we should do substitutions */
638 char *nl) /* string to terminate lines with */
650 c = 1; /* c is the current pos */
654 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
656 buffer[strlen(buffer) + 1] = 0;
657 buffer[strlen(buffer)] = ch;
660 if (buffer[0] == '^')
661 do_help_subst(buffer);
663 buffer[strlen(buffer) + 1] = 0;
665 strcpy(buffer, &buffer[1]);
673 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
675 if (((old == 13) || (old == 10)) && (isspace(real))) {
683 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
684 cprintf("%s%s", nl, aaa);
693 if ((strlen(aaa) + c) > (width - 5)) {
702 if ((ch == 13) || (ch == 10)) {
703 cprintf("%s%s", aaa, nl);
710 cprintf("%s%s", aaa, nl);
716 * Callback function for mime parser that simply lists the part
718 void list_this_part(char *name, char *filename, char *partnum, char *disp,
719 void *content, char *cbtype, size_t length, char *encoding,
723 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
724 name, filename, partnum, disp, cbtype, (long)length);
728 * Callback function for multipart prefix
730 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
731 void *content, char *cbtype, size_t length, char *encoding,
734 cprintf("pref=%s|%s\n", partnum, cbtype);
738 * Callback function for multipart sufffix
740 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
741 void *content, char *cbtype, size_t length, char *encoding,
744 cprintf("suff=%s|%s\n", partnum, cbtype);
749 * Callback function for mime parser that opens a section for downloading
751 void mime_download(char *name, char *filename, char *partnum, char *disp,
752 void *content, char *cbtype, size_t length, char *encoding,
756 /* Silently go away if there's already a download open... */
757 if (CC->download_fp != NULL)
760 /* ...or if this is not the desired section */
761 if (strcasecmp(desired_section, partnum))
764 CC->download_fp = tmpfile();
765 if (CC->download_fp == NULL)
768 fwrite(content, length, 1, CC->download_fp);
769 fflush(CC->download_fp);
770 rewind(CC->download_fp);
772 OpenCmdResult(filename, cbtype);
778 * Load a message from disk into memory.
779 * This is used by CtdlOutputMsg() and other fetch functions.
781 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
782 * using the CtdlMessageFree() function.
784 struct CtdlMessage *CtdlFetchMessage(long msgnum)
786 struct cdbdata *dmsgtext;
787 struct CtdlMessage *ret = NULL;
790 cit_uint8_t field_header;
793 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
794 if (dmsgtext == NULL) {
797 mptr = dmsgtext->ptr;
799 /* Parse the three bytes that begin EVERY message on disk.
800 * The first is always 0xFF, the on-disk magic number.
801 * The second is the anonymous/public type byte.
802 * The third is the format type byte (vari, fixed, or MIME).
806 lprintf(CTDL_ERR, "Message %ld appears to be corrupted.\n", msgnum);
810 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
811 memset(ret, 0, sizeof(struct CtdlMessage));
813 ret->cm_magic = CTDLMESSAGE_MAGIC;
814 ret->cm_anon_type = *mptr++; /* Anon type byte */
815 ret->cm_format_type = *mptr++; /* Format type byte */
818 * The rest is zero or more arbitrary fields. Load them in.
819 * We're done when we encounter either a zero-length field or
820 * have just processed the 'M' (message text) field.
823 field_length = strlen(mptr);
824 if (field_length == 0)
826 field_header = *mptr++;
827 ret->cm_fields[field_header] = malloc(field_length);
828 strcpy(ret->cm_fields[field_header], mptr);
830 while (*mptr++ != 0); /* advance to next field */
832 } while ((field_length > 0) && (field_header != 'M'));
836 /* Always make sure there's something in the msg text field */
837 if (ret->cm_fields['M'] == NULL)
838 ret->cm_fields['M'] = strdup("<no text>\n");
840 /* Perform "before read" hooks (aborting if any return nonzero) */
841 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
842 CtdlFreeMessage(ret);
851 * Returns 1 if the supplied pointer points to a valid Citadel message.
852 * If the pointer is NULL or the magic number check fails, returns 0.
854 int is_valid_message(struct CtdlMessage *msg) {
857 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
858 lprintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
866 * 'Destructor' for struct CtdlMessage
868 void CtdlFreeMessage(struct CtdlMessage *msg)
872 if (is_valid_message(msg) == 0) return;
874 for (i = 0; i < 256; ++i)
875 if (msg->cm_fields[i] != NULL) {
876 free(msg->cm_fields[i]);
879 msg->cm_magic = 0; /* just in case */
885 * Pre callback function for multipart/alternative
887 * NOTE: this differs from the standard behavior for a reason. Normally when
888 * displaying multipart/alternative you want to show the _last_ usable
889 * format in the message. Here we show the _first_ one, because it's
890 * usually text/plain. Since this set of functions is designed for text
891 * output to non-MIME-aware clients, this is the desired behavior.
894 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
895 void *content, char *cbtype, size_t length, char *encoding,
898 lprintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
899 if (!strcasecmp(cbtype, "multipart/alternative")) {
907 * Post callback function for multipart/alternative
909 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
910 void *content, char *cbtype, size_t length, char *encoding,
913 lprintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
914 if (!strcasecmp(cbtype, "multipart/alternative")) {
922 * Inline callback function for mime parser that wants to display text
924 void fixed_output(char *name, char *filename, char *partnum, char *disp,
925 void *content, char *cbtype, size_t length, char *encoding,
932 lprintf(CTDL_DEBUG, "fixed_output() type=<%s>\n", cbtype);
935 * If we're in the middle of a multipart/alternative scope and
936 * we've already printed another section, skip this one.
938 if ( (ma->is_ma == 1) && (ma->did_print == 1) ) {
939 lprintf(CTDL_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
944 if ( (!strcasecmp(cbtype, "text/plain"))
945 || (strlen(cbtype)==0) ) {
948 client_write(wptr, length);
949 if (wptr[length-1] != '\n') {
954 else if (!strcasecmp(cbtype, "text/html")) {
955 ptr = html_to_ascii(content, 80, 0);
957 client_write(ptr, wlen);
958 if (ptr[wlen-1] != '\n') {
963 else if (strncasecmp(cbtype, "multipart/", 10)) {
964 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
965 partnum, filename, cbtype, (long)length);
970 * The client is elegant and sophisticated and wants to be choosy about
971 * MIME content types, so figure out which multipart/alternative part
972 * we're going to send.
974 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
975 void *content, char *cbtype, size_t length, char *encoding,
982 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
983 extract(buf, CC->preferred_formats, i);
984 if (!strcasecmp(buf, cbtype)) {
985 strcpy(ma->chosen_part, partnum);
992 * Now that we've chosen our preferred part, output it.
994 void output_preferred(char *name, char *filename, char *partnum, char *disp,
995 void *content, char *cbtype, size_t length, char *encoding,
1000 int add_newline = 0;
1003 /* This is not the MIME part you're looking for... */
1004 if (strcasecmp(partnum, ma->chosen_part)) return;
1006 /* If the content-type of this part is in our preferred formats
1007 * list, we can simply output it verbatim.
1009 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1010 extract(buf, CC->preferred_formats, i);
1011 if (!strcasecmp(buf, cbtype)) {
1012 /* Yeah! Go! W00t!! */
1014 text_content = (char *)content;
1015 if (text_content[length-1] != '\n') {
1019 cprintf("Content-type: %s\n", cbtype);
1020 cprintf("Content-length: %d\n",
1021 (int)(length + add_newline) );
1022 if (strlen(encoding) > 0) {
1023 cprintf("Content-transfer-encoding: %s\n", encoding);
1026 cprintf("Content-transfer-encoding: 7bit\n");
1029 client_write(content, length);
1030 if (add_newline) cprintf("\n");
1035 /* No translations required or possible: output as text/plain */
1036 cprintf("Content-type: text/plain\n\n");
1037 fixed_output(name, filename, partnum, disp, content, cbtype,
1038 length, encoding, cbuserdata);
1043 * Get a message off disk. (returns om_* values found in msgbase.h)
1046 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1047 int mode, /* how would you like that message? */
1048 int headers_only, /* eschew the message body? */
1049 int do_proto, /* do Citadel protocol responses? */
1050 int crlf /* Use CRLF newlines instead of LF? */
1052 struct CtdlMessage *TheMessage;
1055 lprintf(CTDL_DEBUG, "CtdlOutputMsg() msgnum=%ld, mode=%d\n",
1060 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1061 if (do_proto) cprintf("%d Not logged in.\n",
1062 ERROR + NOT_LOGGED_IN);
1063 return(om_not_logged_in);
1066 /* FIXME ... small security issue
1067 * We need to check to make sure the requested message is actually
1068 * in the current room, and set msg_ok to 1 only if it is. This
1069 * functionality is currently missing because I'm in a hurry to replace
1070 * broken production code with nonbroken pre-beta code. :( -- ajc
1073 if (do_proto) cprintf("%d Message %ld is not in this room.\n",
1074 ERROR + MESSAGE_NOT_FOUND, msg_num);
1075 return(om_no_such_msg);
1080 * Fetch the message from disk.
1082 TheMessage = CtdlFetchMessage(msg_num);
1084 if (TheMessage == NULL) {
1085 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1086 ERROR + MESSAGE_NOT_FOUND, msg_num);
1087 return(om_no_such_msg);
1090 retcode = CtdlOutputPreLoadedMsg(
1091 TheMessage, msg_num, mode,
1092 headers_only, do_proto, crlf);
1094 CtdlFreeMessage(TheMessage);
1101 * Get a message off disk. (returns om_* values found in msgbase.h)
1104 int CtdlOutputPreLoadedMsg(struct CtdlMessage *TheMessage,
1106 int mode, /* how would you like that message? */
1107 int headers_only, /* eschew the message body? */
1108 int do_proto, /* do Citadel protocol responses? */
1109 int crlf /* Use CRLF newlines instead of LF? */
1115 char display_name[SIZ];
1117 char *nl; /* newline string */
1119 int subject_found = 0;
1121 /* buffers needed for RFC822 translation */
1128 char datestamp[SIZ];
1131 snprintf(mid, sizeof mid, "%ld", msg_num);
1132 nl = (crlf ? "\r\n" : "\n");
1134 if (!is_valid_message(TheMessage)) {
1135 lprintf(CTDL_ERR, "ERROR: invalid preloaded message for output\n");
1136 return(om_no_such_msg);
1139 /* Are we downloading a MIME component? */
1140 if (mode == MT_DOWNLOAD) {
1141 if (TheMessage->cm_format_type != FMT_RFC822) {
1143 cprintf("%d This is not a MIME message.\n",
1144 ERROR + ILLEGAL_VALUE);
1145 } else if (CC->download_fp != NULL) {
1146 if (do_proto) cprintf(
1147 "%d You already have a download open.\n",
1148 ERROR + RESOURCE_BUSY);
1150 /* Parse the message text component */
1151 mptr = TheMessage->cm_fields['M'];
1152 mime_parser(mptr, NULL,
1153 *mime_download, NULL, NULL,
1155 /* If there's no file open by this time, the requested
1156 * section wasn't found, so print an error
1158 if (CC->download_fp == NULL) {
1159 if (do_proto) cprintf(
1160 "%d Section %s not found.\n",
1161 ERROR + FILE_NOT_FOUND,
1165 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1168 /* now for the user-mode message reading loops */
1169 if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
1171 /* Does the caller want to skip the headers? */
1172 if (headers_only == HEADERS_NONE) goto START_TEXT;
1174 /* Tell the client which format type we're using. */
1175 if ( (mode == MT_CITADEL) && (do_proto) ) {
1176 cprintf("type=%d\n", TheMessage->cm_format_type);
1179 /* nhdr=yes means that we're only displaying headers, no body */
1180 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1181 && (mode == MT_CITADEL)
1184 cprintf("nhdr=yes\n");
1187 /* begin header processing loop for Citadel message format */
1189 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1191 strcpy(display_name, "<unknown>");
1192 if (TheMessage->cm_fields['A']) {
1193 strcpy(buf, TheMessage->cm_fields['A']);
1194 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1195 strcpy(display_name, "****");
1197 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1198 strcpy(display_name, "anonymous");
1201 strcpy(display_name, buf);
1203 if ((is_room_aide())
1204 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1205 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1206 size_t tmp = strlen(display_name);
1207 snprintf(&display_name[tmp],
1208 sizeof display_name - tmp,
1213 /* Don't show Internet address for users on the
1214 * local Citadel network.
1217 if (TheMessage->cm_fields['N'] != NULL)
1218 if (strlen(TheMessage->cm_fields['N']) > 0)
1219 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1223 /* Now spew the header fields in the order we like them. */
1224 strcpy(allkeys, FORDER);
1225 for (i=0; i<strlen(allkeys); ++i) {
1226 k = (int) allkeys[i];
1228 if ( (TheMessage->cm_fields[k] != NULL)
1229 && (msgkeys[k] != NULL) ) {
1231 if (do_proto) cprintf("%s=%s\n",
1235 else if ((k == 'F') && (suppress_f)) {
1238 /* Masquerade display name if needed */
1240 if (do_proto) cprintf("%s=%s\n",
1242 TheMessage->cm_fields[k]
1251 /* begin header processing loop for RFC822 transfer format */
1256 strcpy(snode, NODENAME);
1257 strcpy(lnode, HUMANNODE);
1258 if (mode == MT_RFC822) {
1259 cprintf("X-UIDL: %ld%s", msg_num, nl);
1260 for (i = 0; i < 256; ++i) {
1261 if (TheMessage->cm_fields[i]) {
1262 mptr = TheMessage->cm_fields[i];
1265 strcpy(luser, mptr);
1266 strcpy(suser, mptr);
1269 "Path:" removed for now because it confuses brain-dead Microsoft shitware
1270 into thinking that mail messages are newsgroup messages instead. When we
1271 add NNTP support back into Citadel we'll have to add code to only output
1272 this field when appropriate.
1273 else if (i == 'P') {
1274 cprintf("Path: %s%s", mptr, nl);
1277 else if (i == 'U') {
1278 cprintf("Subject: %s%s", mptr, nl);
1282 safestrncpy(mid, mptr, sizeof mid);
1284 safestrncpy(lnode, mptr, sizeof lnode);
1286 safestrncpy(fuser, mptr, sizeof fuser);
1288 cprintf("X-Citadel-Room: %s%s",
1291 safestrncpy(snode, mptr, sizeof snode);
1293 cprintf("To: %s%s", mptr, nl);
1294 else if (i == 'T') {
1295 datestring(datestamp, sizeof datestamp,
1296 atol(mptr), DATESTRING_RFC822);
1297 cprintf("Date: %s%s", datestamp, nl);
1301 if (subject_found == 0) {
1302 cprintf("Subject: (no subject)%s", nl);
1306 for (i=0; i<strlen(suser); ++i) {
1307 suser[i] = tolower(suser[i]);
1308 if (!isalnum(suser[i])) suser[i]='_';
1311 if (mode == MT_RFC822) {
1312 if (!strcasecmp(snode, NODENAME)) {
1313 strcpy(snode, FQDN);
1316 /* Construct a fun message id */
1317 cprintf("Message-ID: <%s", mid);
1318 if (strchr(mid, '@')==NULL) {
1319 cprintf("@%s", snode);
1323 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
1324 cprintf("From: x@x.org (----)%s", nl);
1326 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
1327 cprintf("From: x@x.org (anonymous)%s", nl);
1329 else if (strlen(fuser) > 0) {
1330 cprintf("From: %s (%s)%s", fuser, luser, nl);
1333 cprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
1336 cprintf("Organization: %s%s", lnode, nl);
1338 /* Blank line signifying RFC822 end-of-headers */
1339 if (TheMessage->cm_format_type != FMT_RFC822) {
1344 /* end header processing loop ... at this point, we're in the text */
1346 mptr = TheMessage->cm_fields['M'];
1348 /* Tell the client about the MIME parts in this message */
1349 if (TheMessage->cm_format_type == FMT_RFC822) {
1350 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1351 mime_parser(mptr, NULL,
1357 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1358 /* FIXME ... we have to put some code in here to avoid
1359 * printing duplicate header information when both
1360 * Citadel and RFC822 headers exist. Preference should
1361 * probably be given to the RFC822 headers.
1363 int done_rfc822_hdrs = 0;
1364 while (ch=*(mptr++), ch!=0) {
1369 if (!done_rfc822_hdrs) {
1370 if (headers_only != HEADERS_NONE) {
1375 if (headers_only != HEADERS_ONLY) {
1379 if ((*(mptr) == 13) || (*(mptr) == 10)) {
1380 done_rfc822_hdrs = 1;
1384 if (done_rfc822_hdrs) {
1385 if (headers_only != HEADERS_NONE) {
1390 if (headers_only != HEADERS_ONLY) {
1394 if ((*mptr == 13) || (*mptr == 10)) {
1395 done_rfc822_hdrs = 1;
1403 if (headers_only == HEADERS_ONLY) {
1407 /* signify start of msg text */
1408 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1409 if (do_proto) cprintf("text\n");
1412 /* If the format type on disk is 1 (fixed-format), then we want
1413 * everything to be output completely literally ... regardless of
1414 * what message transfer format is in use.
1416 if (TheMessage->cm_format_type == FMT_FIXED) {
1417 if (mode == MT_MIME) {
1418 cprintf("Content-type: text/plain\n\n");
1421 while (ch = *mptr++, ch > 0) {
1424 if ((ch == 10) || (strlen(buf) > 250)) {
1425 cprintf("%s%s", buf, nl);
1428 buf[strlen(buf) + 1] = 0;
1429 buf[strlen(buf)] = ch;
1432 if (strlen(buf) > 0)
1433 cprintf("%s%s", buf, nl);
1436 /* If the message on disk is format 0 (Citadel vari-format), we
1437 * output using the formatter at 80 columns. This is the final output
1438 * form if the transfer format is RFC822, but if the transfer format
1439 * is Citadel proprietary, it'll still work, because the indentation
1440 * for new paragraphs is correct and the client will reformat the
1441 * message to the reader's screen width.
1443 if (TheMessage->cm_format_type == FMT_CITADEL) {
1444 if (mode == MT_MIME) {
1445 cprintf("Content-type: text/x-citadel-variformat\n\n");
1447 memfmout(80, mptr, 0, nl);
1450 /* If the message on disk is format 4 (MIME), we've gotta hand it
1451 * off to the MIME parser. The client has already been told that
1452 * this message is format 1 (fixed format), so the callback function
1453 * we use will display those parts as-is.
1455 if (TheMessage->cm_format_type == FMT_RFC822) {
1456 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1457 memset(ma, 0, sizeof(struct ma_info));
1459 if (mode == MT_MIME) {
1460 strcpy(ma->chosen_part, "1");
1461 mime_parser(mptr, NULL,
1462 *choose_preferred, *fixed_output_pre,
1463 *fixed_output_post, NULL, 0);
1464 mime_parser(mptr, NULL,
1465 *output_preferred, NULL, NULL, NULL, 0);
1468 mime_parser(mptr, NULL,
1469 *fixed_output, *fixed_output_pre,
1470 *fixed_output_post, NULL, 0);
1474 DONE: /* now we're done */
1475 if (do_proto) cprintf("000\n");
1482 * display a message (mode 0 - Citadel proprietary)
1484 void cmd_msg0(char *cmdbuf)
1487 int headers_only = HEADERS_ALL;
1489 msgid = extract_long(cmdbuf, 0);
1490 headers_only = extract_int(cmdbuf, 1);
1492 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1498 * display a message (mode 2 - RFC822)
1500 void cmd_msg2(char *cmdbuf)
1503 int headers_only = HEADERS_ALL;
1505 msgid = extract_long(cmdbuf, 0);
1506 headers_only = extract_int(cmdbuf, 1);
1508 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1514 * display a message (mode 3 - IGnet raw format - internal programs only)
1516 void cmd_msg3(char *cmdbuf)
1519 struct CtdlMessage *msg;
1522 if (CC->internal_pgm == 0) {
1523 cprintf("%d This command is for internal programs only.\n",
1524 ERROR + HIGHER_ACCESS_REQUIRED);
1528 msgnum = extract_long(cmdbuf, 0);
1529 msg = CtdlFetchMessage(msgnum);
1531 cprintf("%d Message %ld not found.\n",
1532 ERROR + MESSAGE_NOT_FOUND, msgnum);
1536 serialize_message(&smr, msg);
1537 CtdlFreeMessage(msg);
1540 cprintf("%d Unable to serialize message\n",
1541 ERROR + INTERNAL_ERROR);
1545 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1546 client_write(smr.ser, smr.len);
1553 * Display a message using MIME content types
1555 void cmd_msg4(char *cmdbuf)
1559 msgid = extract_long(cmdbuf, 0);
1560 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1566 * Client tells us its preferred message format(s)
1568 void cmd_msgp(char *cmdbuf)
1570 safestrncpy(CC->preferred_formats, cmdbuf,
1571 sizeof(CC->preferred_formats));
1572 cprintf("%d ok\n", CIT_OK);
1577 * Open a component of a MIME message as a download file
1579 void cmd_opna(char *cmdbuf)
1583 CtdlAllocUserData(SYM_DESIRED_SECTION, SIZ);
1585 msgid = extract_long(cmdbuf, 0);
1586 extract(desired_section, cmdbuf, 1);
1588 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1593 * Save a message pointer into a specified room
1594 * (Returns 0 for success, nonzero for failure)
1595 * roomname may be NULL to use the current room
1597 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1599 char hold_rm[ROOMNAMELEN];
1600 struct cdbdata *cdbfr;
1603 long highest_msg = 0L;
1604 struct CtdlMessage *msg = NULL;
1606 lprintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1607 roomname, msgid, flags);
1609 strcpy(hold_rm, CC->room.QRname);
1611 /* We may need to check to see if this message is real */
1612 if ( (flags & SM_VERIFY_GOODNESS)
1613 || (flags & SM_DO_REPL_CHECK)
1615 msg = CtdlFetchMessage(msgid);
1616 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1619 /* Perform replication checks if necessary */
1620 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1622 if (getroom(&CC->room,
1623 ((roomname != NULL) ? roomname : CC->room.QRname) )
1625 lprintf(CTDL_ERR, "No such room <%s>\n", roomname);
1626 if (msg != NULL) CtdlFreeMessage(msg);
1627 return(ERROR + ROOM_NOT_FOUND);
1630 if (ReplicationChecks(msg) != 0) {
1631 getroom(&CC->room, hold_rm);
1632 if (msg != NULL) CtdlFreeMessage(msg);
1633 lprintf(CTDL_DEBUG, "Did replication, and newer exists\n");
1638 /* Now the regular stuff */
1639 if (lgetroom(&CC->room,
1640 ((roomname != NULL) ? roomname : CC->room.QRname) )
1642 lprintf(CTDL_ERR, "No such room <%s>\n", roomname);
1643 if (msg != NULL) CtdlFreeMessage(msg);
1644 return(ERROR + ROOM_NOT_FOUND);
1647 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
1648 if (cdbfr == NULL) {
1652 msglist = malloc(cdbfr->len);
1653 if (msglist == NULL)
1654 lprintf(CTDL_ALERT, "ERROR malloc msglist!\n");
1655 num_msgs = cdbfr->len / sizeof(long);
1656 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1661 /* Make sure the message doesn't already exist in this room. It
1662 * is absolutely taboo to have more than one reference to the same
1663 * message in a room.
1665 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1666 if (msglist[i] == msgid) {
1667 lputroom(&CC->room); /* unlock the room */
1668 getroom(&CC->room, hold_rm);
1669 if (msg != NULL) CtdlFreeMessage(msg);
1670 return(ERROR + ALREADY_EXISTS);
1674 /* Now add the new message */
1676 msglist = realloc(msglist,
1677 (num_msgs * sizeof(long)));
1679 if (msglist == NULL) {
1680 lprintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
1682 msglist[num_msgs - 1] = msgid;
1684 /* Sort the message list, so all the msgid's are in order */
1685 num_msgs = sort_msglist(msglist, num_msgs);
1687 /* Determine the highest message number */
1688 highest_msg = msglist[num_msgs - 1];
1690 /* Write it back to disk. */
1691 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long),
1692 msglist, num_msgs * sizeof(long));
1694 /* Free up the memory we used. */
1697 /* Update the highest-message pointer and unlock the room. */
1698 CC->room.QRhighest = highest_msg;
1699 lputroom(&CC->room);
1700 getroom(&CC->room, hold_rm);
1702 /* Bump the reference count for this message. */
1703 if ((flags & SM_DONT_BUMP_REF)==0) {
1704 AdjRefCount(msgid, +1);
1707 /* Return success. */
1708 if (msg != NULL) CtdlFreeMessage(msg);
1715 * Message base operation to send a message to the master file
1716 * (returns new message number)
1718 * This is the back end for CtdlSubmitMsg() and should not be directly
1719 * called by server-side modules.
1722 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1723 FILE *save_a_copy) /* save a copy to disk? */
1730 /* Get a new message number */
1731 newmsgid = get_new_message_number();
1732 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1734 /* Generate an ID if we don't have one already */
1735 if (msg->cm_fields['I']==NULL) {
1736 msg->cm_fields['I'] = strdup(msgidbuf);
1739 serialize_message(&smr, msg);
1742 cprintf("%d Unable to serialize message\n",
1743 ERROR + INTERNAL_ERROR);
1747 /* Write our little bundle of joy into the message base */
1748 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1749 smr.ser, smr.len) < 0) {
1750 lprintf(CTDL_ERR, "Can't store message\n");
1756 /* If the caller specified that a copy should be saved to a particular
1757 * file handle, do that now too.
1759 if (save_a_copy != NULL) {
1760 fwrite(smr.ser, smr.len, 1, save_a_copy);
1763 /* Free the memory we used for the serialized message */
1766 /* Return the *local* message ID to the caller
1767 * (even if we're storing an incoming network message)
1775 * Serialize a struct CtdlMessage into the format used on disk and network.
1777 * This function loads up a "struct ser_ret" (defined in server.h) which
1778 * contains the length of the serialized message and a pointer to the
1779 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1781 void serialize_message(struct ser_ret *ret, /* return values */
1782 struct CtdlMessage *msg) /* unserialized msg */
1786 static char *forder = FORDER;
1788 if (is_valid_message(msg) == 0) return; /* self check */
1791 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1792 ret->len = ret->len +
1793 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1795 lprintf(CTDL_DEBUG, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1796 ret->ser = malloc(ret->len);
1797 if (ret->ser == NULL) {
1803 ret->ser[1] = msg->cm_anon_type;
1804 ret->ser[2] = msg->cm_format_type;
1807 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1808 ret->ser[wlen++] = (char)forder[i];
1809 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1810 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1812 if (ret->len != wlen) lprintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
1813 (long)ret->len, (long)wlen);
1821 * Back end for the ReplicationChecks() function
1823 void check_repl(long msgnum, void *userdata) {
1824 struct CtdlMessage *msg;
1825 time_t timestamp = (-1L);
1827 lprintf(CTDL_DEBUG, "check_repl() found message %ld\n", msgnum);
1828 msg = CtdlFetchMessage(msgnum);
1829 if (msg == NULL) return;
1830 if (msg->cm_fields['T'] != NULL) {
1831 timestamp = atol(msg->cm_fields['T']);
1833 CtdlFreeMessage(msg);
1835 if (timestamp > msg_repl->highest) {
1836 msg_repl->highest = timestamp; /* newer! */
1837 lprintf(CTDL_DEBUG, "newer!\n");
1840 lprintf(CTDL_DEBUG, "older!\n");
1842 /* Existing isn't newer? Then delete the old one(s). */
1843 CtdlDeleteMessages(CC->room.QRname, msgnum, "");
1848 * Check to see if any messages already exist which carry the same Extended ID
1852 * -> With older timestamps: delete them and return 0. Message will be saved.
1853 * -> With newer timestamps: return 1. Message save will be aborted.
1855 int ReplicationChecks(struct CtdlMessage *msg) {
1856 struct CtdlMessage *template;
1859 lprintf(CTDL_DEBUG, "ReplicationChecks() started\n");
1860 /* No extended id? Don't do anything. */
1861 if (msg->cm_fields['E'] == NULL) return 0;
1862 if (strlen(msg->cm_fields['E']) == 0) return 0;
1863 lprintf(CTDL_DEBUG, "Extended ID: <%s>\n", msg->cm_fields['E']);
1865 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1866 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1867 msg_repl->highest = atol(msg->cm_fields['T']);
1869 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1870 memset(template, 0, sizeof(struct CtdlMessage));
1871 template->cm_fields['E'] = strdup(msg->cm_fields['E']);
1873 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl, NULL);
1875 /* If a newer message exists with the same Extended ID, abort
1878 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1882 CtdlFreeMessage(template);
1883 lprintf(CTDL_DEBUG, "ReplicationChecks() returning %d\n", abort_this);
1891 * Save a message to disk and submit it into the delivery system.
1893 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1894 struct recptypes *recps, /* recipients (if mail) */
1895 char *force /* force a particular room? */
1898 char hold_rm[ROOMNAMELEN];
1899 char actual_rm[ROOMNAMELEN];
1900 char force_room[ROOMNAMELEN];
1901 char content_type[SIZ]; /* We have to learn this */
1902 char recipient[SIZ];
1905 struct ctdluser userbuf;
1907 struct MetaData smi;
1908 FILE *network_fp = NULL;
1909 static int seqnum = 1;
1910 struct CtdlMessage *imsg = NULL;
1913 char *hold_R, *hold_D;
1915 lprintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
1916 if (is_valid_message(msg) == 0) return(-1); /* self check */
1918 /* If this message has no timestamp, we take the liberty of
1919 * giving it one, right now.
1921 if (msg->cm_fields['T'] == NULL) {
1922 lprintf(CTDL_DEBUG, "Generating timestamp\n");
1923 snprintf(aaa, sizeof aaa, "%ld", (long)time(NULL));
1924 msg->cm_fields['T'] = strdup(aaa);
1927 /* If this message has no path, we generate one.
1929 if (msg->cm_fields['P'] == NULL) {
1930 lprintf(CTDL_DEBUG, "Generating path\n");
1931 if (msg->cm_fields['A'] != NULL) {
1932 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
1933 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1934 if (isspace(msg->cm_fields['P'][a])) {
1935 msg->cm_fields['P'][a] = ' ';
1940 msg->cm_fields['P'] = strdup("unknown");
1944 if (force == NULL) {
1945 strcpy(force_room, "");
1948 strcpy(force_room, force);
1951 /* Learn about what's inside, because it's what's inside that counts */
1952 lprintf(CTDL_DEBUG, "Learning what's inside\n");
1953 if (msg->cm_fields['M'] == NULL) {
1954 lprintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
1958 switch (msg->cm_format_type) {
1960 strcpy(content_type, "text/x-citadel-variformat");
1963 strcpy(content_type, "text/plain");
1966 strcpy(content_type, "text/plain");
1967 /* advance past header fields */
1968 mptr = msg->cm_fields['M'];
1971 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1972 safestrncpy(content_type, mptr,
1973 sizeof(content_type));
1974 strcpy(content_type, &content_type[14]);
1975 for (a = 0; a < strlen(content_type); ++a)
1976 if ((content_type[a] == ';')
1977 || (content_type[a] == ' ')
1978 || (content_type[a] == 13)
1979 || (content_type[a] == 10))
1980 content_type[a] = 0;
1987 /* Goto the correct room */
1988 lprintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CC->room.QRname : SENTITEMS);
1989 strcpy(hold_rm, CC->room.QRname);
1990 strcpy(actual_rm, CC->room.QRname);
1991 if (recps != NULL) {
1992 strcpy(actual_rm, SENTITEMS);
1995 /* If the user is a twit, move to the twit room for posting */
1996 lprintf(CTDL_DEBUG, "Handling twit stuff: %s\n",
1997 (CC->user.axlevel == 2) ? config.c_twitroom : "OK");
1999 if (CC->user.axlevel == 2) {
2000 strcpy(hold_rm, actual_rm);
2001 strcpy(actual_rm, config.c_twitroom);
2005 /* ...or if this message is destined for Aide> then go there. */
2006 if (strlen(force_room) > 0) {
2007 strcpy(actual_rm, force_room);
2010 lprintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2011 if (strcasecmp(actual_rm, CC->room.QRname)) {
2012 getroom(&CC->room, actual_rm);
2016 * If this message has no O (room) field, generate one.
2018 if (msg->cm_fields['O'] == NULL) {
2019 msg->cm_fields['O'] = strdup(CC->room.QRname);
2022 /* Perform "before save" hooks (aborting if any return nonzero) */
2023 lprintf(CTDL_DEBUG, "Performing before-save hooks\n");
2024 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
2026 /* If this message has an Extended ID, perform replication checks */
2027 lprintf(CTDL_DEBUG, "Performing replication checks\n");
2028 if (ReplicationChecks(msg) > 0) return(-1);
2030 /* Save it to disk */
2031 lprintf(CTDL_DEBUG, "Saving to disk\n");
2032 newmsgid = send_message(msg, NULL);
2033 if (newmsgid <= 0L) return(-1);
2035 /* Write a supplemental message info record. This doesn't have to
2036 * be a critical section because nobody else knows about this message
2039 lprintf(CTDL_DEBUG, "Creating MetaData record\n");
2040 memset(&smi, 0, sizeof(struct MetaData));
2041 smi.meta_msgnum = newmsgid;
2042 smi.meta_refcount = 0;
2043 safestrncpy(smi.meta_content_type, content_type, 64);
2046 /* Now figure out where to store the pointers */
2047 lprintf(CTDL_DEBUG, "Storing pointers\n");
2049 /* If this is being done by the networker delivering a private
2050 * message, we want to BYPASS saving the sender's copy (because there
2051 * is no local sender; it would otherwise go to the Trashcan).
2053 if ((!CC->internal_pgm) || (recps == NULL)) {
2054 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
2055 lprintf(CTDL_ERR, "ERROR saving message pointer!\n");
2056 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2060 /* For internet mail, drop a copy in the outbound queue room */
2062 if (recps->num_internet > 0) {
2063 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
2066 /* If other rooms are specified, drop them there too. */
2068 if (recps->num_room > 0)
2069 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2070 extract(recipient, recps->recp_room, i);
2071 lprintf(CTDL_DEBUG, "Delivering to local room <%s>\n", recipient);
2072 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
2075 /* Bump this user's messages posted counter. */
2076 lprintf(CTDL_DEBUG, "Updating user\n");
2077 lgetuser(&CC->user, CC->curr_user);
2078 CC->user.posted = CC->user.posted + 1;
2079 lputuser(&CC->user);
2081 /* If this is private, local mail, make a copy in the
2082 * recipient's mailbox and bump the reference count.
2085 if (recps->num_local > 0)
2086 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2087 extract(recipient, recps->recp_local, i);
2088 lprintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2090 if (getuser(&userbuf, recipient) == 0) {
2091 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2092 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
2093 BumpNewMailCounter(userbuf.usernum);
2096 lprintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2097 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2101 /* Perform "after save" hooks */
2102 lprintf(CTDL_DEBUG, "Performing after-save hooks\n");
2103 PerformMessageHooks(msg, EVT_AFTERSAVE);
2105 /* For IGnet mail, we have to save a new copy into the spooler for
2106 * each recipient, with the R and D fields set to the recipient and
2107 * destination-node. This has two ugly side effects: all other
2108 * recipients end up being unlisted in this recipient's copy of the
2109 * message, and it has to deliver multiple messages to the same
2110 * node. We'll revisit this again in a year or so when everyone has
2111 * a network spool receiver that can handle the new style messages.
2114 if (recps->num_ignet > 0)
2115 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2116 extract(recipient, recps->recp_ignet, i);
2118 hold_R = msg->cm_fields['R'];
2119 hold_D = msg->cm_fields['D'];
2120 msg->cm_fields['R'] = malloc(SIZ);
2121 msg->cm_fields['D'] = malloc(SIZ);
2122 extract_token(msg->cm_fields['R'], recipient, 0, '@');
2123 extract_token(msg->cm_fields['D'], recipient, 1, '@');
2125 serialize_message(&smr, msg);
2127 snprintf(aaa, sizeof aaa,
2128 "./network/spoolin/netmail.%04lx.%04x.%04x",
2129 (long) getpid(), CC->cs_pid, ++seqnum);
2130 network_fp = fopen(aaa, "wb+");
2131 if (network_fp != NULL) {
2132 fwrite(smr.ser, smr.len, 1, network_fp);
2138 free(msg->cm_fields['R']);
2139 free(msg->cm_fields['D']);
2140 msg->cm_fields['R'] = hold_R;
2141 msg->cm_fields['D'] = hold_D;
2144 /* Go back to the room we started from */
2145 lprintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2146 if (strcasecmp(hold_rm, CC->room.QRname))
2147 getroom(&CC->room, hold_rm);
2149 /* For internet mail, generate delivery instructions.
2150 * Yes, this is recursive. Deal with it. Infinite recursion does
2151 * not happen because the delivery instructions message does not
2152 * contain a recipient.
2155 if (recps->num_internet > 0) {
2156 lprintf(CTDL_DEBUG, "Generating delivery instructions\n");
2157 instr = malloc(SIZ * 2);
2158 snprintf(instr, SIZ * 2,
2159 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2161 SPOOLMIME, newmsgid, (long)time(NULL),
2162 msg->cm_fields['A'], msg->cm_fields['N']
2165 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2166 size_t tmp = strlen(instr);
2167 extract(recipient, recps->recp_internet, i);
2168 snprintf(&instr[tmp], SIZ * 2 - tmp,
2169 "remote|%s|0||\n", recipient);
2172 imsg = malloc(sizeof(struct CtdlMessage));
2173 memset(imsg, 0, sizeof(struct CtdlMessage));
2174 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2175 imsg->cm_anon_type = MES_NORMAL;
2176 imsg->cm_format_type = FMT_RFC822;
2177 imsg->cm_fields['A'] = strdup("Citadel");
2178 imsg->cm_fields['M'] = instr;
2179 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2180 CtdlFreeMessage(imsg);
2189 * Convenience function for generating small administrative messages.
2191 void quickie_message(char *from, char *to, char *room, char *text,
2192 int format_type, char *subject)
2194 struct CtdlMessage *msg;
2195 struct recptypes *recp = NULL;
2197 msg = malloc(sizeof(struct CtdlMessage));
2198 memset(msg, 0, sizeof(struct CtdlMessage));
2199 msg->cm_magic = CTDLMESSAGE_MAGIC;
2200 msg->cm_anon_type = MES_NORMAL;
2201 msg->cm_format_type = format_type;
2202 msg->cm_fields['A'] = strdup(from);
2203 if (room != NULL) msg->cm_fields['O'] = strdup(room);
2204 msg->cm_fields['N'] = strdup(NODENAME);
2206 msg->cm_fields['R'] = strdup(to);
2207 recp = validate_recipients(to);
2209 if (subject != NULL) {
2210 msg->cm_fields['U'] = strdup(subject);
2212 msg->cm_fields['M'] = strdup(text);
2214 CtdlSubmitMsg(msg, recp, room);
2215 CtdlFreeMessage(msg);
2216 if (recp != NULL) free(recp);
2222 * Back end function used by CtdlMakeMessage() and similar functions
2224 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2225 size_t maxlen, /* maximum message length */
2226 char *exist, /* if non-null, append to it;
2227 exist is ALWAYS freed */
2228 int crlf /* CRLF newlines instead of LF */
2232 size_t message_len = 0;
2233 size_t buffer_len = 0;
2239 if (exist == NULL) {
2246 message_len = strlen(exist);
2247 buffer_len = message_len + 4096;
2248 m = realloc(exist, buffer_len);
2255 /* flush the input if we have nowhere to store it */
2260 /* read in the lines of message text one by one */
2262 if (client_gets(buf) < 1) finished = 1;
2263 if (!strcmp(buf, terminator)) finished = 1;
2265 strcat(buf, "\r\n");
2271 if ( (!flushing) && (!finished) ) {
2272 /* Measure the line */
2273 linelen = strlen(buf);
2275 /* augment the buffer if we have to */
2276 if ((message_len + linelen) >= buffer_len) {
2277 ptr = realloc(m, (buffer_len * 2) );
2278 if (ptr == NULL) { /* flush if can't allocate */
2281 buffer_len = (buffer_len * 2);
2283 lprintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
2287 /* Add the new line to the buffer. NOTE: this loop must avoid
2288 * using functions like strcat() and strlen() because they
2289 * traverse the entire buffer upon every call, and doing that
2290 * for a multi-megabyte message slows it down beyond usability.
2292 strcpy(&m[message_len], buf);
2293 message_len += linelen;
2296 /* if we've hit the max msg length, flush the rest */
2297 if (message_len >= maxlen) flushing = 1;
2299 } while (!finished);
2307 * Build a binary message to be saved on disk.
2308 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2309 * will become part of the message. This means you are no longer
2310 * responsible for managing that memory -- it will be freed along with
2311 * the rest of the fields when CtdlFreeMessage() is called.)
2314 struct CtdlMessage *CtdlMakeMessage(
2315 struct ctdluser *author, /* author's user structure */
2316 char *recipient, /* NULL if it's not mail */
2317 char *room, /* room where it's going */
2318 int type, /* see MES_ types in header file */
2319 int format_type, /* variformat, plain text, MIME... */
2320 char *fake_name, /* who we're masquerading as */
2321 char *subject, /* Subject (optional) */
2322 char *preformatted_text /* ...or NULL to read text from client */
2324 char dest_node[SIZ];
2326 struct CtdlMessage *msg;
2328 msg = malloc(sizeof(struct CtdlMessage));
2329 memset(msg, 0, sizeof(struct CtdlMessage));
2330 msg->cm_magic = CTDLMESSAGE_MAGIC;
2331 msg->cm_anon_type = type;
2332 msg->cm_format_type = format_type;
2334 /* Don't confuse the poor folks if it's not routed mail. */
2335 strcpy(dest_node, "");
2339 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2340 msg->cm_fields['P'] = strdup(buf);
2342 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2343 msg->cm_fields['T'] = strdup(buf);
2345 if (fake_name[0]) /* author */
2346 msg->cm_fields['A'] = strdup(fake_name);
2348 msg->cm_fields['A'] = strdup(author->fullname);
2350 if (CC->room.QRflags & QR_MAILBOX) { /* room */
2351 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
2354 msg->cm_fields['O'] = strdup(CC->room.QRname);
2357 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
2358 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
2360 if (recipient[0] != 0) {
2361 msg->cm_fields['R'] = strdup(recipient);
2363 if (dest_node[0] != 0) {
2364 msg->cm_fields['D'] = strdup(dest_node);
2367 if ( (author == &CC->user) && (strlen(CC->cs_inet_email) > 0) ) {
2368 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
2371 if (subject != NULL) {
2373 if (strlen(subject) > 0) {
2374 msg->cm_fields['U'] = strdup(subject);
2378 if (preformatted_text != NULL) {
2379 msg->cm_fields['M'] = preformatted_text;
2382 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2383 config.c_maxmsglen, NULL, 0);
2391 * Check to see whether we have permission to post a message in the current
2392 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2393 * returns 0 on success.
2395 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2397 if (!(CC->logged_in)) {
2398 snprintf(errmsgbuf, n, "Not logged in.");
2399 return (ERROR + NOT_LOGGED_IN);
2402 if ((CC->user.axlevel < 2)
2403 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
2404 snprintf(errmsgbuf, n, "Need to be validated to enter "
2405 "(except in %s> to sysop)", MAILROOM);
2406 return (ERROR + HIGHER_ACCESS_REQUIRED);
2409 if ((CC->user.axlevel < 4)
2410 && (CC->room.QRflags & QR_NETWORK)) {
2411 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2412 return (ERROR + HIGHER_ACCESS_REQUIRED);
2415 if ((CC->user.axlevel < 6)
2416 && (CC->room.QRflags & QR_READONLY)) {
2417 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2418 return (ERROR + HIGHER_ACCESS_REQUIRED);
2421 strcpy(errmsgbuf, "Ok");
2427 * Check to see if the specified user has Internet mail permission
2428 * (returns nonzero if permission is granted)
2430 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
2432 /* Globally enabled? */
2433 if (config.c_restrict == 0) return(1);
2435 /* User flagged ok? */
2436 if (who->flags & US_INTERNET) return(2);
2438 /* Aide level access? */
2439 if (who->axlevel >= 6) return(3);
2441 /* No mail for you! */
2448 * Validate recipients, count delivery types and errors, and handle aliasing
2449 * FIXME check for dupes!!!!!
2451 struct recptypes *validate_recipients(char *recipients) {
2452 struct recptypes *ret;
2453 char this_recp[SIZ];
2454 char this_recp_cooked[SIZ];
2460 struct ctdluser tempUS;
2461 struct ctdlroom tempQR;
2464 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2465 if (ret == NULL) return(NULL);
2466 memset(ret, 0, sizeof(struct recptypes));
2469 ret->num_internet = 0;
2474 if (recipients == NULL) {
2477 else if (strlen(recipients) == 0) {
2481 /* Change all valid separator characters to commas */
2482 for (i=0; i<strlen(recipients); ++i) {
2483 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2484 recipients[i] = ',';
2489 num_recps = num_tokens(recipients, ',');
2492 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2493 extract_token(this_recp, recipients, i, ',');
2495 lprintf(CTDL_DEBUG, "Evaluating recipient #%d <%s>\n", i, this_recp);
2496 mailtype = alias(this_recp);
2497 mailtype = alias(this_recp);
2498 mailtype = alias(this_recp);
2499 for (j=0; j<=strlen(this_recp); ++j) {
2500 if (this_recp[j]=='_') {
2501 this_recp_cooked[j] = ' ';
2504 this_recp_cooked[j] = this_recp[j];
2510 if (!strcasecmp(this_recp, "sysop")) {
2512 strcpy(this_recp, config.c_aideroom);
2513 if (strlen(ret->recp_room) > 0) {
2514 strcat(ret->recp_room, "|");
2516 strcat(ret->recp_room, this_recp);
2518 else if (getuser(&tempUS, this_recp) == 0) {
2520 strcpy(this_recp, tempUS.fullname);
2521 if (strlen(ret->recp_local) > 0) {
2522 strcat(ret->recp_local, "|");
2524 strcat(ret->recp_local, this_recp);
2526 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2528 strcpy(this_recp, tempUS.fullname);
2529 if (strlen(ret->recp_local) > 0) {
2530 strcat(ret->recp_local, "|");
2532 strcat(ret->recp_local, this_recp);
2534 else if ( (!strncasecmp(this_recp, "room_", 5))
2535 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2537 if (strlen(ret->recp_room) > 0) {
2538 strcat(ret->recp_room, "|");
2540 strcat(ret->recp_room, &this_recp_cooked[5]);
2548 /* Yes, you're reading this correctly: if the target
2549 * domain points back to the local system or an attached
2550 * Citadel directory, the address is invalid. That's
2551 * because if the address were valid, we would have
2552 * already translated it to a local address by now.
2554 if (IsDirectory(this_recp)) {
2559 ++ret->num_internet;
2560 if (strlen(ret->recp_internet) > 0) {
2561 strcat(ret->recp_internet, "|");
2563 strcat(ret->recp_internet, this_recp);
2568 if (strlen(ret->recp_ignet) > 0) {
2569 strcat(ret->recp_ignet, "|");
2571 strcat(ret->recp_ignet, this_recp);
2579 if (strlen(ret->errormsg) == 0) {
2580 snprintf(append, sizeof append,
2581 "Invalid recipient: %s",
2585 snprintf(append, sizeof append,
2588 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2589 strcat(ret->errormsg, append);
2593 if (strlen(ret->display_recp) == 0) {
2594 strcpy(append, this_recp);
2597 snprintf(append, sizeof append, ", %s",
2600 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2601 strcat(ret->display_recp, append);
2606 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2607 ret->num_room + ret->num_error) == 0) {
2609 strcpy(ret->errormsg, "No recipients specified.");
2612 lprintf(CTDL_DEBUG, "validate_recipients()\n");
2613 lprintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2614 lprintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2615 lprintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2616 lprintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2617 lprintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2625 * message entry - mode 0 (normal)
2627 void cmd_ent0(char *entargs)
2631 char masquerade_as[SIZ];
2633 int format_type = 0;
2634 char newusername[SIZ];
2635 struct CtdlMessage *msg;
2639 struct recptypes *valid = NULL;
2642 post = extract_int(entargs, 0);
2643 extract(recp, entargs, 1);
2644 anon_flag = extract_int(entargs, 2);
2645 format_type = extract_int(entargs, 3);
2646 extract(subject, entargs, 4);
2648 /* first check to make sure the request is valid. */
2650 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2652 cprintf("%d %s\n", err, errmsg);
2656 /* Check some other permission type things. */
2659 if (CC->user.axlevel < 6) {
2660 cprintf("%d You don't have permission to masquerade.\n",
2661 ERROR + HIGHER_ACCESS_REQUIRED);
2664 extract(newusername, entargs, 5);
2665 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2666 safestrncpy(CC->fake_postname, newusername,
2667 sizeof(CC->fake_postname) );
2668 cprintf("%d ok\n", CIT_OK);
2671 CC->cs_flags |= CS_POSTING;
2673 /* In the Mail> room we have to behave a little differently --
2674 * make sure the user has specified at least one recipient. Then
2675 * validate the recipient(s).
2677 if ( (CC->room.QRflags & QR_MAILBOX)
2678 && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) ) {
2680 if (CC->user.axlevel < 2) {
2681 strcpy(recp, "sysop");
2684 valid = validate_recipients(recp);
2685 if (valid->num_error > 0) {
2687 ERROR + NO_SUCH_USER, valid->errormsg);
2691 if (valid->num_internet > 0) {
2692 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
2693 cprintf("%d You do not have permission "
2694 "to send Internet mail.\n",
2695 ERROR + HIGHER_ACCESS_REQUIRED);
2701 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2702 && (CC->user.axlevel < 4) ) {
2703 cprintf("%d Higher access required for network mail.\n",
2704 ERROR + HIGHER_ACCESS_REQUIRED);
2709 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2710 && ((CC->user.flags & US_INTERNET) == 0)
2711 && (!CC->internal_pgm)) {
2712 cprintf("%d You don't have access to Internet mail.\n",
2713 ERROR + HIGHER_ACCESS_REQUIRED);
2720 /* Is this a room which has anonymous-only or anonymous-option? */
2721 anonymous = MES_NORMAL;
2722 if (CC->room.QRflags & QR_ANONONLY) {
2723 anonymous = MES_ANONONLY;
2725 if (CC->room.QRflags & QR_ANONOPT) {
2726 if (anon_flag == 1) { /* only if the user requested it */
2727 anonymous = MES_ANONOPT;
2731 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
2735 /* If we're only checking the validity of the request, return
2736 * success without creating the message.
2739 cprintf("%d %s\n", CIT_OK,
2740 ((valid != NULL) ? valid->display_recp : "") );
2745 /* Handle author masquerading */
2746 if (CC->fake_postname[0]) {
2747 strcpy(masquerade_as, CC->fake_postname);
2749 else if (CC->fake_username[0]) {
2750 strcpy(masquerade_as, CC->fake_username);
2753 strcpy(masquerade_as, "");
2756 /* Read in the message from the client. */
2757 cprintf("%d send message\n", SEND_LISTING);
2758 msg = CtdlMakeMessage(&CC->user, recp,
2759 CC->room.QRname, anonymous, format_type,
2760 masquerade_as, subject, NULL);
2763 CtdlSubmitMsg(msg, valid, "");
2764 CtdlFreeMessage(msg);
2766 CC->fake_postname[0] = '\0';
2774 * API function to delete messages which match a set of criteria
2775 * (returns the actual number of messages deleted)
2777 int CtdlDeleteMessages(char *room_name, /* which room */
2778 long dmsgnum, /* or "0" for any */
2779 char *content_type /* or "" for any */
2783 struct ctdlroom qrbuf;
2784 struct cdbdata *cdbfr;
2785 long *msglist = NULL;
2786 long *dellist = NULL;
2789 int num_deleted = 0;
2791 struct MetaData smi;
2793 lprintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %ld, %s)\n",
2794 room_name, dmsgnum, content_type);
2796 /* get room record, obtaining a lock... */
2797 if (lgetroom(&qrbuf, room_name) != 0) {
2798 lprintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
2800 return (0); /* room not found */
2802 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2804 if (cdbfr != NULL) {
2805 msglist = malloc(cdbfr->len);
2806 dellist = malloc(cdbfr->len);
2807 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2808 num_msgs = cdbfr->len / sizeof(long);
2812 for (i = 0; i < num_msgs; ++i) {
2815 /* Set/clear a bit for each criterion */
2817 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2818 delete_this |= 0x01;
2820 if (strlen(content_type) == 0) {
2821 delete_this |= 0x02;
2823 GetMetaData(&smi, msglist[i]);
2824 if (!strcasecmp(smi.meta_content_type,
2826 delete_this |= 0x02;
2830 /* Delete message only if all bits are set */
2831 if (delete_this == 0x03) {
2832 dellist[num_deleted++] = msglist[i];
2837 num_msgs = sort_msglist(msglist, num_msgs);
2838 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2839 msglist, (num_msgs * sizeof(long)));
2841 qrbuf.QRhighest = msglist[num_msgs - 1];
2845 /* Go through the messages we pulled out of the index, and decrement
2846 * their reference counts by 1. If this is the only room the message
2847 * was in, the reference count will reach zero and the message will
2848 * automatically be deleted from the database. We do this in a
2849 * separate pass because there might be plug-in hooks getting called,
2850 * and we don't want that happening during an S_ROOMS critical
2853 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2854 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2855 AdjRefCount(dellist[i], -1);
2858 /* Now free the memory we used, and go away. */
2859 if (msglist != NULL) free(msglist);
2860 if (dellist != NULL) free(dellist);
2861 lprintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
2862 return (num_deleted);
2868 * Check whether the current user has permission to delete messages from
2869 * the current room (returns 1 for yes, 0 for no)
2871 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2872 getuser(&CC->user, CC->curr_user);
2873 if ((CC->user.axlevel < 6)
2874 && (CC->user.usernum != CC->room.QRroomaide)
2875 && ((CC->room.QRflags & QR_MAILBOX) == 0)
2876 && (!(CC->internal_pgm))) {
2885 * Delete message from current room
2887 void cmd_dele(char *delstr)
2892 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2893 cprintf("%d Higher access required.\n",
2894 ERROR + HIGHER_ACCESS_REQUIRED);
2897 delnum = extract_long(delstr, 0);
2899 num_deleted = CtdlDeleteMessages(CC->room.QRname, delnum, "");
2902 cprintf("%d %d message%s deleted.\n", CIT_OK,
2903 num_deleted, ((num_deleted != 1) ? "s" : ""));
2905 cprintf("%d Message %ld not found.\n", ERROR + MESSAGE_NOT_FOUND, delnum);
2911 * Back end API function for moves and deletes
2913 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2916 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2917 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2918 if (err != 0) return(err);
2926 * move or copy a message to another room
2928 void cmd_move(char *args)
2932 struct ctdlroom qtemp;
2937 num = extract_long(args, 0);
2938 extract(targ, args, 1);
2939 targ[ROOMNAMELEN - 1] = 0;
2940 is_copy = extract_int(args, 2);
2942 if (getroom(&qtemp, targ) != 0) {
2943 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
2947 getuser(&CC->user, CC->curr_user);
2948 ra = CtdlRoomAccess(&qtemp, &CC->user);
2949 /* Aides can move/copy */
2950 if ((CC->user.axlevel < 6)
2951 /* Roomaides can move/copy */
2952 && (CC->user.usernum != CC->room.QRroomaide)
2953 /* Permit move/copy from personal rooms */
2954 && (!((CC->room.QRflags & QR_MAILBOX)
2955 && (qtemp.QRflags & QR_MAILBOX)))
2956 /* Permit only copy from public to personal room */
2957 && (!(is_copy && (CC->room.QRflags & QR_MAILBOX)
2958 || (qtemp.QRflags & QR_MAILBOX)))
2959 /* User must have access to target room */
2960 && !((ra & UA_KNOWN))) {
2961 cprintf("%d Higher access required.\n",
2962 ERROR + HIGHER_ACCESS_REQUIRED);
2966 err = CtdlCopyMsgToRoom(num, targ);
2968 cprintf("%d Cannot store message in %s: error %d\n",
2973 /* Now delete the message from the source room,
2974 * if this is a 'move' rather than a 'copy' operation.
2977 CtdlDeleteMessages(CC->room.QRname, num, "");
2980 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
2986 * GetMetaData() - Get the supplementary record for a message
2988 void GetMetaData(struct MetaData *smibuf, long msgnum)
2991 struct cdbdata *cdbsmi;
2994 memset(smibuf, 0, sizeof(struct MetaData));
2995 smibuf->meta_msgnum = msgnum;
2996 smibuf->meta_refcount = 1; /* Default reference count is 1 */
2998 /* Use the negative of the message number for its supp record index */
2999 TheIndex = (0L - msgnum);
3001 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
3002 if (cdbsmi == NULL) {
3003 return; /* record not found; go with defaults */
3005 memcpy(smibuf, cdbsmi->ptr,
3006 ((cdbsmi->len > sizeof(struct MetaData)) ?
3007 sizeof(struct MetaData) : cdbsmi->len));
3014 * PutMetaData() - (re)write supplementary record for a message
3016 void PutMetaData(struct MetaData *smibuf)
3020 /* Use the negative of the message number for the metadata db index */
3021 TheIndex = (0L - smibuf->meta_msgnum);
3023 lprintf(CTDL_DEBUG, "PutMetaData(%ld) - ref count is %d\n",
3024 smibuf->meta_msgnum, smibuf->meta_refcount);
3026 cdb_store(CDB_MSGMAIN,
3027 &TheIndex, sizeof(long),
3028 smibuf, sizeof(struct MetaData));
3033 * AdjRefCount - change the reference count for a message;
3034 * delete the message if it reaches zero
3036 void AdjRefCount(long msgnum, int incr)
3039 struct MetaData smi;
3042 /* This is a *tight* critical section; please keep it that way, as
3043 * it may get called while nested in other critical sections.
3044 * Complicating this any further will surely cause deadlock!
3046 begin_critical_section(S_SUPPMSGMAIN);
3047 GetMetaData(&smi, msgnum);
3048 lprintf(CTDL_DEBUG, "Ref count for message <%ld> before write is <%d>\n",
3049 msgnum, smi.meta_refcount);
3050 smi.meta_refcount += incr;
3052 end_critical_section(S_SUPPMSGMAIN);
3053 lprintf(CTDL_DEBUG, "Ref count for message <%ld> after write is <%d>\n",
3054 msgnum, smi.meta_refcount);
3056 /* If the reference count is now zero, delete the message
3057 * (and its supplementary record as well).
3059 if (smi.meta_refcount == 0) {
3060 lprintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
3062 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
3064 /* We have to delete the metadata record too! */
3065 delnum = (0L - msgnum);
3066 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
3071 * Write a generic object to this room
3073 * Note: this could be much more efficient. Right now we use two temporary
3074 * files, and still pull the message into memory as with all others.
3076 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3077 char *content_type, /* MIME type of this object */
3078 char *tempfilename, /* Where to fetch it from */
3079 struct ctdluser *is_mailbox, /* Mailbox room? */
3080 int is_binary, /* Is encoding necessary? */
3081 int is_unique, /* Del others of this type? */
3082 unsigned int flags /* Internal save flags */
3087 struct ctdlroom qrbuf;
3088 char roomname[ROOMNAMELEN];
3089 struct CtdlMessage *msg;
3091 char *raw_message = NULL;
3092 char *encoded_message = NULL;
3093 off_t raw_length = 0;
3095 if (is_mailbox != NULL)
3096 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
3098 safestrncpy(roomname, req_room, sizeof(roomname));
3099 lprintf(CTDL_DEBUG, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
3102 fp = fopen(tempfilename, "rb");
3104 lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
3105 tempfilename, strerror(errno));
3108 fseek(fp, 0L, SEEK_END);
3109 raw_length = ftell(fp);
3111 lprintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
3113 raw_message = malloc((size_t)raw_length + 2);
3114 fread(raw_message, (size_t)raw_length, 1, fp);
3118 encoded_message = malloc((size_t)
3119 (((raw_length * 134) / 100) + 4096 ) );
3122 encoded_message = malloc((size_t)(raw_length + 4096));
3125 sprintf(encoded_message, "Content-type: %s\n", content_type);
3128 sprintf(&encoded_message[strlen(encoded_message)],
3129 "Content-transfer-encoding: base64\n\n"
3133 sprintf(&encoded_message[strlen(encoded_message)],
3134 "Content-transfer-encoding: 7bit\n\n"
3140 &encoded_message[strlen(encoded_message)],
3146 raw_message[raw_length] = 0;
3148 &encoded_message[strlen(encoded_message)],
3156 lprintf(CTDL_DEBUG, "Allocating\n");
3157 msg = malloc(sizeof(struct CtdlMessage));
3158 memset(msg, 0, sizeof(struct CtdlMessage));
3159 msg->cm_magic = CTDLMESSAGE_MAGIC;
3160 msg->cm_anon_type = MES_NORMAL;
3161 msg->cm_format_type = 4;
3162 msg->cm_fields['A'] = strdup(CC->user.fullname);
3163 msg->cm_fields['O'] = strdup(req_room);
3164 msg->cm_fields['N'] = strdup(config.c_nodename);
3165 msg->cm_fields['H'] = strdup(config.c_humannode);
3166 msg->cm_flags = flags;
3168 msg->cm_fields['M'] = encoded_message;
3170 /* Create the requested room if we have to. */
3171 if (getroom(&qrbuf, roomname) != 0) {
3172 create_room(roomname,
3173 ( (is_mailbox != NULL) ? 5 : 3 ),
3176 /* If the caller specified this object as unique, delete all
3177 * other objects of this type that are currently in the room.
3180 lprintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
3181 CtdlDeleteMessages(roomname, 0L, content_type));
3183 /* Now write the data */
3184 CtdlSubmitMsg(msg, NULL, roomname);
3185 CtdlFreeMessage(msg);
3193 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
3194 config_msgnum = msgnum;
3198 char *CtdlGetSysConfig(char *sysconfname) {
3199 char hold_rm[ROOMNAMELEN];
3202 struct CtdlMessage *msg;
3205 strcpy(hold_rm, CC->room.QRname);
3206 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
3207 getroom(&CC->room, hold_rm);
3212 /* We want the last (and probably only) config in this room */
3213 begin_critical_section(S_CONFIG);
3214 config_msgnum = (-1L);
3215 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
3216 CtdlGetSysConfigBackend, NULL);
3217 msgnum = config_msgnum;
3218 end_critical_section(S_CONFIG);
3224 msg = CtdlFetchMessage(msgnum);
3226 conf = strdup(msg->cm_fields['M']);
3227 CtdlFreeMessage(msg);
3234 getroom(&CC->room, hold_rm);
3236 if (conf != NULL) do {
3237 extract_token(buf, conf, 0, '\n');
3238 strcpy(conf, &conf[strlen(buf)+1]);
3239 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
3244 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
3245 char temp[PATH_MAX];
3248 strcpy(temp, tmpnam(NULL));
3250 fp = fopen(temp, "w");
3251 if (fp == NULL) return;
3252 fprintf(fp, "%s", sysconfdata);
3255 /* this handy API function does all the work for us */
3256 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
3262 * Determine whether a given Internet address belongs to the current user
3264 int CtdlIsMe(char *addr) {
3265 struct recptypes *recp;
3268 recp = validate_recipients(addr);
3269 if (recp == NULL) return(0);
3271 if (recp->num_local == 0) {
3276 for (i=0; i<recp->num_local; ++i) {
3277 extract(addr, recp->recp_local, i);
3278 if (!strcasecmp(addr, CC->user.fullname)) {
3290 * Citadel protocol command to do the same
3292 void cmd_isme(char *argbuf) {
3295 if (CtdlAccessCheck(ac_logged_in)) return;
3296 extract(addr, argbuf, 0);
3298 if (CtdlIsMe(addr)) {
3299 cprintf("%d %s\n", CIT_OK, addr);
3302 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);