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);
1671 return(ERROR + ALREADY_EXISTS);
1675 /* Now add the new message */
1677 msglist = realloc(msglist,
1678 (num_msgs * sizeof(long)));
1680 if (msglist == NULL) {
1681 lprintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
1683 msglist[num_msgs - 1] = msgid;
1685 /* Sort the message list, so all the msgid's are in order */
1686 num_msgs = sort_msglist(msglist, num_msgs);
1688 /* Determine the highest message number */
1689 highest_msg = msglist[num_msgs - 1];
1691 /* Write it back to disk. */
1692 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long),
1693 msglist, num_msgs * sizeof(long));
1695 /* Free up the memory we used. */
1698 /* Update the highest-message pointer and unlock the room. */
1699 CC->room.QRhighest = highest_msg;
1700 lputroom(&CC->room);
1701 getroom(&CC->room, hold_rm);
1703 /* Bump the reference count for this message. */
1704 if ((flags & SM_DONT_BUMP_REF)==0) {
1705 AdjRefCount(msgid, +1);
1708 /* Return success. */
1709 if (msg != NULL) CtdlFreeMessage(msg);
1716 * Message base operation to send a message to the master file
1717 * (returns new message number)
1719 * This is the back end for CtdlSubmitMsg() and should not be directly
1720 * called by server-side modules.
1723 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1724 FILE *save_a_copy) /* save a copy to disk? */
1731 /* Get a new message number */
1732 newmsgid = get_new_message_number();
1733 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1735 /* Generate an ID if we don't have one already */
1736 if (msg->cm_fields['I']==NULL) {
1737 msg->cm_fields['I'] = strdup(msgidbuf);
1740 serialize_message(&smr, msg);
1743 cprintf("%d Unable to serialize message\n",
1744 ERROR + INTERNAL_ERROR);
1748 /* Write our little bundle of joy into the message base */
1749 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1750 smr.ser, smr.len) < 0) {
1751 lprintf(CTDL_ERR, "Can't store message\n");
1757 /* If the caller specified that a copy should be saved to a particular
1758 * file handle, do that now too.
1760 if (save_a_copy != NULL) {
1761 fwrite(smr.ser, smr.len, 1, save_a_copy);
1764 /* Free the memory we used for the serialized message */
1767 /* Return the *local* message ID to the caller
1768 * (even if we're storing an incoming network message)
1776 * Serialize a struct CtdlMessage into the format used on disk and network.
1778 * This function loads up a "struct ser_ret" (defined in server.h) which
1779 * contains the length of the serialized message and a pointer to the
1780 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1782 void serialize_message(struct ser_ret *ret, /* return values */
1783 struct CtdlMessage *msg) /* unserialized msg */
1787 static char *forder = FORDER;
1789 if (is_valid_message(msg) == 0) return; /* self check */
1792 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1793 ret->len = ret->len +
1794 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1796 lprintf(CTDL_DEBUG, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1797 ret->ser = malloc(ret->len);
1798 if (ret->ser == NULL) {
1804 ret->ser[1] = msg->cm_anon_type;
1805 ret->ser[2] = msg->cm_format_type;
1808 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1809 ret->ser[wlen++] = (char)forder[i];
1810 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1811 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1813 if (ret->len != wlen) lprintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
1814 (long)ret->len, (long)wlen);
1822 * Back end for the ReplicationChecks() function
1824 void check_repl(long msgnum, void *userdata) {
1825 struct CtdlMessage *msg;
1826 time_t timestamp = (-1L);
1828 lprintf(CTDL_DEBUG, "check_repl() found message %ld\n", msgnum);
1829 msg = CtdlFetchMessage(msgnum);
1830 if (msg == NULL) return;
1831 if (msg->cm_fields['T'] != NULL) {
1832 timestamp = atol(msg->cm_fields['T']);
1834 CtdlFreeMessage(msg);
1836 if (timestamp > msg_repl->highest) {
1837 msg_repl->highest = timestamp; /* newer! */
1838 lprintf(CTDL_DEBUG, "newer!\n");
1841 lprintf(CTDL_DEBUG, "older!\n");
1843 /* Existing isn't newer? Then delete the old one(s). */
1844 CtdlDeleteMessages(CC->room.QRname, msgnum, "");
1849 * Check to see if any messages already exist which carry the same Extended ID
1853 * -> With older timestamps: delete them and return 0. Message will be saved.
1854 * -> With newer timestamps: return 1. Message save will be aborted.
1856 int ReplicationChecks(struct CtdlMessage *msg) {
1857 struct CtdlMessage *template;
1860 lprintf(CTDL_DEBUG, "ReplicationChecks() started\n");
1861 /* No extended id? Don't do anything. */
1862 if (msg->cm_fields['E'] == NULL) return 0;
1863 if (strlen(msg->cm_fields['E']) == 0) return 0;
1864 lprintf(CTDL_DEBUG, "Extended ID: <%s>\n", msg->cm_fields['E']);
1866 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1867 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1868 msg_repl->highest = atol(msg->cm_fields['T']);
1870 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1871 memset(template, 0, sizeof(struct CtdlMessage));
1872 template->cm_fields['E'] = strdup(msg->cm_fields['E']);
1874 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl, NULL);
1876 /* If a newer message exists with the same Extended ID, abort
1879 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1883 CtdlFreeMessage(template);
1884 lprintf(CTDL_DEBUG, "ReplicationChecks() returning %d\n", abort_this);
1892 * Save a message to disk and submit it into the delivery system.
1894 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1895 struct recptypes *recps, /* recipients (if mail) */
1896 char *force /* force a particular room? */
1899 char hold_rm[ROOMNAMELEN];
1900 char actual_rm[ROOMNAMELEN];
1901 char force_room[ROOMNAMELEN];
1902 char content_type[SIZ]; /* We have to learn this */
1903 char recipient[SIZ];
1906 struct ctdluser userbuf;
1908 struct MetaData smi;
1909 FILE *network_fp = NULL;
1910 static int seqnum = 1;
1911 struct CtdlMessage *imsg = NULL;
1914 char *hold_R, *hold_D;
1916 lprintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
1917 if (is_valid_message(msg) == 0) return(-1); /* self check */
1919 /* If this message has no timestamp, we take the liberty of
1920 * giving it one, right now.
1922 if (msg->cm_fields['T'] == NULL) {
1923 lprintf(CTDL_DEBUG, "Generating timestamp\n");
1924 snprintf(aaa, sizeof aaa, "%ld", (long)time(NULL));
1925 msg->cm_fields['T'] = strdup(aaa);
1928 /* If this message has no path, we generate one.
1930 if (msg->cm_fields['P'] == NULL) {
1931 lprintf(CTDL_DEBUG, "Generating path\n");
1932 if (msg->cm_fields['A'] != NULL) {
1933 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
1934 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1935 if (isspace(msg->cm_fields['P'][a])) {
1936 msg->cm_fields['P'][a] = ' ';
1941 msg->cm_fields['P'] = strdup("unknown");
1945 if (force == NULL) {
1946 strcpy(force_room, "");
1949 strcpy(force_room, force);
1952 /* Learn about what's inside, because it's what's inside that counts */
1953 lprintf(CTDL_DEBUG, "Learning what's inside\n");
1954 if (msg->cm_fields['M'] == NULL) {
1955 lprintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
1959 switch (msg->cm_format_type) {
1961 strcpy(content_type, "text/x-citadel-variformat");
1964 strcpy(content_type, "text/plain");
1967 strcpy(content_type, "text/plain");
1968 /* advance past header fields */
1969 mptr = msg->cm_fields['M'];
1972 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1973 safestrncpy(content_type, mptr,
1974 sizeof(content_type));
1975 strcpy(content_type, &content_type[14]);
1976 for (a = 0; a < strlen(content_type); ++a)
1977 if ((content_type[a] == ';')
1978 || (content_type[a] == ' ')
1979 || (content_type[a] == 13)
1980 || (content_type[a] == 10))
1981 content_type[a] = 0;
1988 /* Goto the correct room */
1989 lprintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CC->room.QRname : SENTITEMS);
1990 strcpy(hold_rm, CC->room.QRname);
1991 strcpy(actual_rm, CC->room.QRname);
1992 if (recps != NULL) {
1993 strcpy(actual_rm, SENTITEMS);
1996 /* If the user is a twit, move to the twit room for posting */
1997 lprintf(CTDL_DEBUG, "Handling twit stuff: %s\n",
1998 (CC->user.axlevel == 2) ? config.c_twitroom : "OK");
2000 if (CC->user.axlevel == 2) {
2001 strcpy(hold_rm, actual_rm);
2002 strcpy(actual_rm, config.c_twitroom);
2006 /* ...or if this message is destined for Aide> then go there. */
2007 if (strlen(force_room) > 0) {
2008 strcpy(actual_rm, force_room);
2011 lprintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2012 if (strcasecmp(actual_rm, CC->room.QRname)) {
2013 getroom(&CC->room, actual_rm);
2017 * If this message has no O (room) field, generate one.
2019 if (msg->cm_fields['O'] == NULL) {
2020 msg->cm_fields['O'] = strdup(CC->room.QRname);
2023 /* Perform "before save" hooks (aborting if any return nonzero) */
2024 lprintf(CTDL_DEBUG, "Performing before-save hooks\n");
2025 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
2027 /* If this message has an Extended ID, perform replication checks */
2028 lprintf(CTDL_DEBUG, "Performing replication checks\n");
2029 if (ReplicationChecks(msg) > 0) return(-1);
2031 /* Save it to disk */
2032 lprintf(CTDL_DEBUG, "Saving to disk\n");
2033 newmsgid = send_message(msg, NULL);
2034 if (newmsgid <= 0L) return(-1);
2036 /* Write a supplemental message info record. This doesn't have to
2037 * be a critical section because nobody else knows about this message
2040 lprintf(CTDL_DEBUG, "Creating MetaData record\n");
2041 memset(&smi, 0, sizeof(struct MetaData));
2042 smi.meta_msgnum = newmsgid;
2043 smi.meta_refcount = 0;
2044 safestrncpy(smi.meta_content_type, content_type, 64);
2047 /* Now figure out where to store the pointers */
2048 lprintf(CTDL_DEBUG, "Storing pointers\n");
2050 /* If this is being done by the networker delivering a private
2051 * message, we want to BYPASS saving the sender's copy (because there
2052 * is no local sender; it would otherwise go to the Trashcan).
2054 if ((!CC->internal_pgm) || (recps == NULL)) {
2055 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
2056 lprintf(CTDL_ERR, "ERROR saving message pointer!\n");
2057 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2061 /* For internet mail, drop a copy in the outbound queue room */
2063 if (recps->num_internet > 0) {
2064 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
2067 /* If other rooms are specified, drop them there too. */
2069 if (recps->num_room > 0)
2070 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2071 extract(recipient, recps->recp_room, i);
2072 lprintf(CTDL_DEBUG, "Delivering to local room <%s>\n", recipient);
2073 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
2076 /* Bump this user's messages posted counter. */
2077 lprintf(CTDL_DEBUG, "Updating user\n");
2078 lgetuser(&CC->user, CC->curr_user);
2079 CC->user.posted = CC->user.posted + 1;
2080 lputuser(&CC->user);
2082 /* If this is private, local mail, make a copy in the
2083 * recipient's mailbox and bump the reference count.
2086 if (recps->num_local > 0)
2087 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2088 extract(recipient, recps->recp_local, i);
2089 lprintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2091 if (getuser(&userbuf, recipient) == 0) {
2092 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2093 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
2094 BumpNewMailCounter(userbuf.usernum);
2097 lprintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2098 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2102 /* Perform "after save" hooks */
2103 lprintf(CTDL_DEBUG, "Performing after-save hooks\n");
2104 PerformMessageHooks(msg, EVT_AFTERSAVE);
2106 /* For IGnet mail, we have to save a new copy into the spooler for
2107 * each recipient, with the R and D fields set to the recipient and
2108 * destination-node. This has two ugly side effects: all other
2109 * recipients end up being unlisted in this recipient's copy of the
2110 * message, and it has to deliver multiple messages to the same
2111 * node. We'll revisit this again in a year or so when everyone has
2112 * a network spool receiver that can handle the new style messages.
2115 if (recps->num_ignet > 0)
2116 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2117 extract(recipient, recps->recp_ignet, i);
2119 hold_R = msg->cm_fields['R'];
2120 hold_D = msg->cm_fields['D'];
2121 msg->cm_fields['R'] = malloc(SIZ);
2122 msg->cm_fields['D'] = malloc(SIZ);
2123 extract_token(msg->cm_fields['R'], recipient, 0, '@');
2124 extract_token(msg->cm_fields['D'], recipient, 1, '@');
2126 serialize_message(&smr, msg);
2128 snprintf(aaa, sizeof aaa,
2129 "./network/spoolin/netmail.%04lx.%04x.%04x",
2130 (long) getpid(), CC->cs_pid, ++seqnum);
2131 network_fp = fopen(aaa, "wb+");
2132 if (network_fp != NULL) {
2133 fwrite(smr.ser, smr.len, 1, network_fp);
2139 free(msg->cm_fields['R']);
2140 free(msg->cm_fields['D']);
2141 msg->cm_fields['R'] = hold_R;
2142 msg->cm_fields['D'] = hold_D;
2145 /* Go back to the room we started from */
2146 lprintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2147 if (strcasecmp(hold_rm, CC->room.QRname))
2148 getroom(&CC->room, hold_rm);
2150 /* For internet mail, generate delivery instructions.
2151 * Yes, this is recursive. Deal with it. Infinite recursion does
2152 * not happen because the delivery instructions message does not
2153 * contain a recipient.
2156 if (recps->num_internet > 0) {
2157 lprintf(CTDL_DEBUG, "Generating delivery instructions\n");
2158 instr = malloc(SIZ * 2);
2159 snprintf(instr, SIZ * 2,
2160 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2162 SPOOLMIME, newmsgid, (long)time(NULL),
2163 msg->cm_fields['A'], msg->cm_fields['N']
2166 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2167 size_t tmp = strlen(instr);
2168 extract(recipient, recps->recp_internet, i);
2169 snprintf(&instr[tmp], SIZ * 2 - tmp,
2170 "remote|%s|0||\n", recipient);
2173 imsg = malloc(sizeof(struct CtdlMessage));
2174 memset(imsg, 0, sizeof(struct CtdlMessage));
2175 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2176 imsg->cm_anon_type = MES_NORMAL;
2177 imsg->cm_format_type = FMT_RFC822;
2178 imsg->cm_fields['A'] = strdup("Citadel");
2179 imsg->cm_fields['M'] = instr;
2180 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2181 CtdlFreeMessage(imsg);
2190 * Convenience function for generating small administrative messages.
2192 void quickie_message(char *from, char *to, char *room, char *text,
2193 int format_type, char *subject)
2195 struct CtdlMessage *msg;
2196 struct recptypes *recp = NULL;
2198 msg = malloc(sizeof(struct CtdlMessage));
2199 memset(msg, 0, sizeof(struct CtdlMessage));
2200 msg->cm_magic = CTDLMESSAGE_MAGIC;
2201 msg->cm_anon_type = MES_NORMAL;
2202 msg->cm_format_type = format_type;
2203 msg->cm_fields['A'] = strdup(from);
2204 if (room != NULL) msg->cm_fields['O'] = strdup(room);
2205 msg->cm_fields['N'] = strdup(NODENAME);
2207 msg->cm_fields['R'] = strdup(to);
2208 recp = validate_recipients(to);
2210 if (subject != NULL) {
2211 msg->cm_fields['U'] = strdup(subject);
2213 msg->cm_fields['M'] = strdup(text);
2215 CtdlSubmitMsg(msg, recp, room);
2216 CtdlFreeMessage(msg);
2217 if (recp != NULL) free(recp);
2223 * Back end function used by CtdlMakeMessage() and similar functions
2225 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2226 size_t maxlen, /* maximum message length */
2227 char *exist, /* if non-null, append to it;
2228 exist is ALWAYS freed */
2229 int crlf /* CRLF newlines instead of LF */
2233 size_t message_len = 0;
2234 size_t buffer_len = 0;
2240 if (exist == NULL) {
2247 message_len = strlen(exist);
2248 buffer_len = message_len + 4096;
2249 m = realloc(exist, buffer_len);
2256 /* flush the input if we have nowhere to store it */
2261 /* read in the lines of message text one by one */
2263 if (client_gets(buf) < 1) finished = 1;
2264 if (!strcmp(buf, terminator)) finished = 1;
2266 strcat(buf, "\r\n");
2272 if ( (!flushing) && (!finished) ) {
2273 /* Measure the line */
2274 linelen = strlen(buf);
2276 /* augment the buffer if we have to */
2277 if ((message_len + linelen) >= buffer_len) {
2278 ptr = realloc(m, (buffer_len * 2) );
2279 if (ptr == NULL) { /* flush if can't allocate */
2282 buffer_len = (buffer_len * 2);
2284 lprintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
2288 /* Add the new line to the buffer. NOTE: this loop must avoid
2289 * using functions like strcat() and strlen() because they
2290 * traverse the entire buffer upon every call, and doing that
2291 * for a multi-megabyte message slows it down beyond usability.
2293 strcpy(&m[message_len], buf);
2294 message_len += linelen;
2297 /* if we've hit the max msg length, flush the rest */
2298 if (message_len >= maxlen) flushing = 1;
2300 } while (!finished);
2308 * Build a binary message to be saved on disk.
2309 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2310 * will become part of the message. This means you are no longer
2311 * responsible for managing that memory -- it will be freed along with
2312 * the rest of the fields when CtdlFreeMessage() is called.)
2315 struct CtdlMessage *CtdlMakeMessage(
2316 struct ctdluser *author, /* author's user structure */
2317 char *recipient, /* NULL if it's not mail */
2318 char *room, /* room where it's going */
2319 int type, /* see MES_ types in header file */
2320 int format_type, /* variformat, plain text, MIME... */
2321 char *fake_name, /* who we're masquerading as */
2322 char *subject, /* Subject (optional) */
2323 char *preformatted_text /* ...or NULL to read text from client */
2325 char dest_node[SIZ];
2327 struct CtdlMessage *msg;
2329 msg = malloc(sizeof(struct CtdlMessage));
2330 memset(msg, 0, sizeof(struct CtdlMessage));
2331 msg->cm_magic = CTDLMESSAGE_MAGIC;
2332 msg->cm_anon_type = type;
2333 msg->cm_format_type = format_type;
2335 /* Don't confuse the poor folks if it's not routed mail. */
2336 strcpy(dest_node, "");
2340 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2341 msg->cm_fields['P'] = strdup(buf);
2343 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2344 msg->cm_fields['T'] = strdup(buf);
2346 if (fake_name[0]) /* author */
2347 msg->cm_fields['A'] = strdup(fake_name);
2349 msg->cm_fields['A'] = strdup(author->fullname);
2351 if (CC->room.QRflags & QR_MAILBOX) { /* room */
2352 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
2355 msg->cm_fields['O'] = strdup(CC->room.QRname);
2358 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
2359 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
2361 if (recipient[0] != 0) {
2362 msg->cm_fields['R'] = strdup(recipient);
2364 if (dest_node[0] != 0) {
2365 msg->cm_fields['D'] = strdup(dest_node);
2368 if ( (author == &CC->user) && (strlen(CC->cs_inet_email) > 0) ) {
2369 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
2372 if (subject != NULL) {
2374 if (strlen(subject) > 0) {
2375 msg->cm_fields['U'] = strdup(subject);
2379 if (preformatted_text != NULL) {
2380 msg->cm_fields['M'] = preformatted_text;
2383 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2384 config.c_maxmsglen, NULL, 0);
2392 * Check to see whether we have permission to post a message in the current
2393 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2394 * returns 0 on success.
2396 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2398 if (!(CC->logged_in)) {
2399 snprintf(errmsgbuf, n, "Not logged in.");
2400 return (ERROR + NOT_LOGGED_IN);
2403 if ((CC->user.axlevel < 2)
2404 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
2405 snprintf(errmsgbuf, n, "Need to be validated to enter "
2406 "(except in %s> to sysop)", MAILROOM);
2407 return (ERROR + HIGHER_ACCESS_REQUIRED);
2410 if ((CC->user.axlevel < 4)
2411 && (CC->room.QRflags & QR_NETWORK)) {
2412 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2413 return (ERROR + HIGHER_ACCESS_REQUIRED);
2416 if ((CC->user.axlevel < 6)
2417 && (CC->room.QRflags & QR_READONLY)) {
2418 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2419 return (ERROR + HIGHER_ACCESS_REQUIRED);
2422 strcpy(errmsgbuf, "Ok");
2428 * Check to see if the specified user has Internet mail permission
2429 * (returns nonzero if permission is granted)
2431 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
2433 /* Globally enabled? */
2434 if (config.c_restrict == 0) return(1);
2436 /* User flagged ok? */
2437 if (who->flags & US_INTERNET) return(2);
2439 /* Aide level access? */
2440 if (who->axlevel >= 6) return(3);
2442 /* No mail for you! */
2449 * Validate recipients, count delivery types and errors, and handle aliasing
2450 * FIXME check for dupes!!!!!
2452 struct recptypes *validate_recipients(char *recipients) {
2453 struct recptypes *ret;
2454 char this_recp[SIZ];
2455 char this_recp_cooked[SIZ];
2461 struct ctdluser tempUS;
2462 struct ctdlroom tempQR;
2465 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2466 if (ret == NULL) return(NULL);
2467 memset(ret, 0, sizeof(struct recptypes));
2470 ret->num_internet = 0;
2475 if (recipients == NULL) {
2478 else if (strlen(recipients) == 0) {
2482 /* Change all valid separator characters to commas */
2483 for (i=0; i<strlen(recipients); ++i) {
2484 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2485 recipients[i] = ',';
2490 num_recps = num_tokens(recipients, ',');
2493 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2494 extract_token(this_recp, recipients, i, ',');
2496 lprintf(CTDL_DEBUG, "Evaluating recipient #%d <%s>\n", i, this_recp);
2497 mailtype = alias(this_recp);
2498 mailtype = alias(this_recp);
2499 mailtype = alias(this_recp);
2500 for (j=0; j<=strlen(this_recp); ++j) {
2501 if (this_recp[j]=='_') {
2502 this_recp_cooked[j] = ' ';
2505 this_recp_cooked[j] = this_recp[j];
2511 if (!strcasecmp(this_recp, "sysop")) {
2513 strcpy(this_recp, config.c_aideroom);
2514 if (strlen(ret->recp_room) > 0) {
2515 strcat(ret->recp_room, "|");
2517 strcat(ret->recp_room, this_recp);
2519 else if (getuser(&tempUS, this_recp) == 0) {
2521 strcpy(this_recp, tempUS.fullname);
2522 if (strlen(ret->recp_local) > 0) {
2523 strcat(ret->recp_local, "|");
2525 strcat(ret->recp_local, this_recp);
2527 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2529 strcpy(this_recp, tempUS.fullname);
2530 if (strlen(ret->recp_local) > 0) {
2531 strcat(ret->recp_local, "|");
2533 strcat(ret->recp_local, this_recp);
2535 else if ( (!strncasecmp(this_recp, "room_", 5))
2536 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2538 if (strlen(ret->recp_room) > 0) {
2539 strcat(ret->recp_room, "|");
2541 strcat(ret->recp_room, &this_recp_cooked[5]);
2549 /* Yes, you're reading this correctly: if the target
2550 * domain points back to the local system or an attached
2551 * Citadel directory, the address is invalid. That's
2552 * because if the address were valid, we would have
2553 * already translated it to a local address by now.
2555 if (IsDirectory(this_recp)) {
2560 ++ret->num_internet;
2561 if (strlen(ret->recp_internet) > 0) {
2562 strcat(ret->recp_internet, "|");
2564 strcat(ret->recp_internet, this_recp);
2569 if (strlen(ret->recp_ignet) > 0) {
2570 strcat(ret->recp_ignet, "|");
2572 strcat(ret->recp_ignet, this_recp);
2580 if (strlen(ret->errormsg) == 0) {
2581 snprintf(append, sizeof append,
2582 "Invalid recipient: %s",
2586 snprintf(append, sizeof append,
2589 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2590 strcat(ret->errormsg, append);
2594 if (strlen(ret->display_recp) == 0) {
2595 strcpy(append, this_recp);
2598 snprintf(append, sizeof append, ", %s",
2601 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2602 strcat(ret->display_recp, append);
2607 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2608 ret->num_room + ret->num_error) == 0) {
2610 strcpy(ret->errormsg, "No recipients specified.");
2613 lprintf(CTDL_DEBUG, "validate_recipients()\n");
2614 lprintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2615 lprintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2616 lprintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2617 lprintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2618 lprintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2626 * message entry - mode 0 (normal)
2628 void cmd_ent0(char *entargs)
2632 char masquerade_as[SIZ];
2634 int format_type = 0;
2635 char newusername[SIZ];
2636 struct CtdlMessage *msg;
2640 struct recptypes *valid = NULL;
2643 post = extract_int(entargs, 0);
2644 extract(recp, entargs, 1);
2645 anon_flag = extract_int(entargs, 2);
2646 format_type = extract_int(entargs, 3);
2647 extract(subject, entargs, 4);
2649 /* first check to make sure the request is valid. */
2651 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2653 cprintf("%d %s\n", err, errmsg);
2657 /* Check some other permission type things. */
2660 if (CC->user.axlevel < 6) {
2661 cprintf("%d You don't have permission to masquerade.\n",
2662 ERROR + HIGHER_ACCESS_REQUIRED);
2665 extract(newusername, entargs, 5);
2666 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2667 safestrncpy(CC->fake_postname, newusername,
2668 sizeof(CC->fake_postname) );
2669 cprintf("%d ok\n", CIT_OK);
2672 CC->cs_flags |= CS_POSTING;
2674 /* In the Mail> room we have to behave a little differently --
2675 * make sure the user has specified at least one recipient. Then
2676 * validate the recipient(s).
2678 if ( (CC->room.QRflags & QR_MAILBOX)
2679 && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) ) {
2681 if (CC->user.axlevel < 2) {
2682 strcpy(recp, "sysop");
2685 valid = validate_recipients(recp);
2686 if (valid->num_error > 0) {
2688 ERROR + NO_SUCH_USER, valid->errormsg);
2692 if (valid->num_internet > 0) {
2693 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
2694 cprintf("%d You do not have permission "
2695 "to send Internet mail.\n",
2696 ERROR + HIGHER_ACCESS_REQUIRED);
2702 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2703 && (CC->user.axlevel < 4) ) {
2704 cprintf("%d Higher access required for network mail.\n",
2705 ERROR + HIGHER_ACCESS_REQUIRED);
2710 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2711 && ((CC->user.flags & US_INTERNET) == 0)
2712 && (!CC->internal_pgm)) {
2713 cprintf("%d You don't have access to Internet mail.\n",
2714 ERROR + HIGHER_ACCESS_REQUIRED);
2721 /* Is this a room which has anonymous-only or anonymous-option? */
2722 anonymous = MES_NORMAL;
2723 if (CC->room.QRflags & QR_ANONONLY) {
2724 anonymous = MES_ANONONLY;
2726 if (CC->room.QRflags & QR_ANONOPT) {
2727 if (anon_flag == 1) { /* only if the user requested it */
2728 anonymous = MES_ANONOPT;
2732 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
2736 /* If we're only checking the validity of the request, return
2737 * success without creating the message.
2740 cprintf("%d %s\n", CIT_OK,
2741 ((valid != NULL) ? valid->display_recp : "") );
2746 /* Handle author masquerading */
2747 if (CC->fake_postname[0]) {
2748 strcpy(masquerade_as, CC->fake_postname);
2750 else if (CC->fake_username[0]) {
2751 strcpy(masquerade_as, CC->fake_username);
2754 strcpy(masquerade_as, "");
2757 /* Read in the message from the client. */
2758 cprintf("%d send message\n", SEND_LISTING);
2759 msg = CtdlMakeMessage(&CC->user, recp,
2760 CC->room.QRname, anonymous, format_type,
2761 masquerade_as, subject, NULL);
2764 CtdlSubmitMsg(msg, valid, "");
2765 CtdlFreeMessage(msg);
2767 CC->fake_postname[0] = '\0';
2775 * API function to delete messages which match a set of criteria
2776 * (returns the actual number of messages deleted)
2778 int CtdlDeleteMessages(char *room_name, /* which room */
2779 long dmsgnum, /* or "0" for any */
2780 char *content_type /* or "" for any */
2784 struct ctdlroom qrbuf;
2785 struct cdbdata *cdbfr;
2786 long *msglist = NULL;
2787 long *dellist = NULL;
2790 int num_deleted = 0;
2792 struct MetaData smi;
2794 lprintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %ld, %s)\n",
2795 room_name, dmsgnum, content_type);
2797 /* get room record, obtaining a lock... */
2798 if (lgetroom(&qrbuf, room_name) != 0) {
2799 lprintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
2801 return (0); /* room not found */
2803 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2805 if (cdbfr != NULL) {
2806 msglist = malloc(cdbfr->len);
2807 dellist = malloc(cdbfr->len);
2808 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2809 num_msgs = cdbfr->len / sizeof(long);
2813 for (i = 0; i < num_msgs; ++i) {
2816 /* Set/clear a bit for each criterion */
2818 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2819 delete_this |= 0x01;
2821 if (strlen(content_type) == 0) {
2822 delete_this |= 0x02;
2824 GetMetaData(&smi, msglist[i]);
2825 if (!strcasecmp(smi.meta_content_type,
2827 delete_this |= 0x02;
2831 /* Delete message only if all bits are set */
2832 if (delete_this == 0x03) {
2833 dellist[num_deleted++] = msglist[i];
2838 num_msgs = sort_msglist(msglist, num_msgs);
2839 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2840 msglist, (num_msgs * sizeof(long)));
2842 qrbuf.QRhighest = msglist[num_msgs - 1];
2846 /* Go through the messages we pulled out of the index, and decrement
2847 * their reference counts by 1. If this is the only room the message
2848 * was in, the reference count will reach zero and the message will
2849 * automatically be deleted from the database. We do this in a
2850 * separate pass because there might be plug-in hooks getting called,
2851 * and we don't want that happening during an S_ROOMS critical
2854 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2855 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2856 AdjRefCount(dellist[i], -1);
2859 /* Now free the memory we used, and go away. */
2860 if (msglist != NULL) free(msglist);
2861 if (dellist != NULL) free(dellist);
2862 lprintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
2863 return (num_deleted);
2869 * Check whether the current user has permission to delete messages from
2870 * the current room (returns 1 for yes, 0 for no)
2872 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2873 getuser(&CC->user, CC->curr_user);
2874 if ((CC->user.axlevel < 6)
2875 && (CC->user.usernum != CC->room.QRroomaide)
2876 && ((CC->room.QRflags & QR_MAILBOX) == 0)
2877 && (!(CC->internal_pgm))) {
2886 * Delete message from current room
2888 void cmd_dele(char *delstr)
2893 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2894 cprintf("%d Higher access required.\n",
2895 ERROR + HIGHER_ACCESS_REQUIRED);
2898 delnum = extract_long(delstr, 0);
2900 num_deleted = CtdlDeleteMessages(CC->room.QRname, delnum, "");
2903 cprintf("%d %d message%s deleted.\n", CIT_OK,
2904 num_deleted, ((num_deleted != 1) ? "s" : ""));
2906 cprintf("%d Message %ld not found.\n", ERROR + MESSAGE_NOT_FOUND, delnum);
2912 * Back end API function for moves and deletes
2914 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2917 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2918 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2919 if (err != 0) return(err);
2927 * move or copy a message to another room
2929 void cmd_move(char *args)
2933 struct ctdlroom qtemp;
2938 num = extract_long(args, 0);
2939 extract(targ, args, 1);
2940 targ[ROOMNAMELEN - 1] = 0;
2941 is_copy = extract_int(args, 2);
2943 if (getroom(&qtemp, targ) != 0) {
2944 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
2948 getuser(&CC->user, CC->curr_user);
2949 ra = CtdlRoomAccess(&qtemp, &CC->user);
2950 /* Aides can move/copy */
2951 if ((CC->user.axlevel < 6)
2952 /* Roomaides can move/copy */
2953 && (CC->user.usernum != CC->room.QRroomaide)
2954 /* Permit move/copy from personal rooms */
2955 && (!((CC->room.QRflags & QR_MAILBOX)
2956 && (qtemp.QRflags & QR_MAILBOX)))
2957 /* Permit only copy from public to personal room */
2958 && (!(is_copy && (CC->room.QRflags & QR_MAILBOX)
2959 || (qtemp.QRflags & QR_MAILBOX)))
2960 /* User must have access to target room */
2961 && !((ra & UA_KNOWN))) {
2962 cprintf("%d Higher access required.\n",
2963 ERROR + HIGHER_ACCESS_REQUIRED);
2967 err = CtdlCopyMsgToRoom(num, targ);
2969 cprintf("%d Cannot store message in %s: error %d\n",
2974 /* Now delete the message from the source room,
2975 * if this is a 'move' rather than a 'copy' operation.
2978 CtdlDeleteMessages(CC->room.QRname, num, "");
2981 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
2987 * GetMetaData() - Get the supplementary record for a message
2989 void GetMetaData(struct MetaData *smibuf, long msgnum)
2992 struct cdbdata *cdbsmi;
2995 memset(smibuf, 0, sizeof(struct MetaData));
2996 smibuf->meta_msgnum = msgnum;
2997 smibuf->meta_refcount = 1; /* Default reference count is 1 */
2999 /* Use the negative of the message number for its supp record index */
3000 TheIndex = (0L - msgnum);
3002 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
3003 if (cdbsmi == NULL) {
3004 return; /* record not found; go with defaults */
3006 memcpy(smibuf, cdbsmi->ptr,
3007 ((cdbsmi->len > sizeof(struct MetaData)) ?
3008 sizeof(struct MetaData) : cdbsmi->len));
3015 * PutMetaData() - (re)write supplementary record for a message
3017 void PutMetaData(struct MetaData *smibuf)
3021 /* Use the negative of the message number for the metadata db index */
3022 TheIndex = (0L - smibuf->meta_msgnum);
3024 lprintf(CTDL_DEBUG, "PutMetaData(%ld) - ref count is %d\n",
3025 smibuf->meta_msgnum, smibuf->meta_refcount);
3027 cdb_store(CDB_MSGMAIN,
3028 &TheIndex, sizeof(long),
3029 smibuf, sizeof(struct MetaData));
3034 * AdjRefCount - change the reference count for a message;
3035 * delete the message if it reaches zero
3037 void AdjRefCount(long msgnum, int incr)
3040 struct MetaData smi;
3043 /* This is a *tight* critical section; please keep it that way, as
3044 * it may get called while nested in other critical sections.
3045 * Complicating this any further will surely cause deadlock!
3047 begin_critical_section(S_SUPPMSGMAIN);
3048 GetMetaData(&smi, msgnum);
3049 lprintf(CTDL_DEBUG, "Ref count for message <%ld> before write is <%d>\n",
3050 msgnum, smi.meta_refcount);
3051 smi.meta_refcount += incr;
3053 end_critical_section(S_SUPPMSGMAIN);
3054 lprintf(CTDL_DEBUG, "Ref count for message <%ld> after write is <%d>\n",
3055 msgnum, smi.meta_refcount);
3057 /* If the reference count is now zero, delete the message
3058 * (and its supplementary record as well).
3060 if (smi.meta_refcount == 0) {
3061 lprintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
3063 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
3065 /* We have to delete the metadata record too! */
3066 delnum = (0L - msgnum);
3067 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
3072 * Write a generic object to this room
3074 * Note: this could be much more efficient. Right now we use two temporary
3075 * files, and still pull the message into memory as with all others.
3077 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3078 char *content_type, /* MIME type of this object */
3079 char *tempfilename, /* Where to fetch it from */
3080 struct ctdluser *is_mailbox, /* Mailbox room? */
3081 int is_binary, /* Is encoding necessary? */
3082 int is_unique, /* Del others of this type? */
3083 unsigned int flags /* Internal save flags */
3088 struct ctdlroom qrbuf;
3089 char roomname[ROOMNAMELEN];
3090 struct CtdlMessage *msg;
3092 char *raw_message = NULL;
3093 char *encoded_message = NULL;
3094 off_t raw_length = 0;
3096 if (is_mailbox != NULL)
3097 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
3099 safestrncpy(roomname, req_room, sizeof(roomname));
3100 lprintf(CTDL_DEBUG, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
3103 fp = fopen(tempfilename, "rb");
3105 lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
3106 tempfilename, strerror(errno));
3109 fseek(fp, 0L, SEEK_END);
3110 raw_length = ftell(fp);
3112 lprintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
3114 raw_message = malloc((size_t)raw_length + 2);
3115 fread(raw_message, (size_t)raw_length, 1, fp);
3119 encoded_message = malloc((size_t)
3120 (((raw_length * 134) / 100) + 4096 ) );
3123 encoded_message = malloc((size_t)(raw_length + 4096));
3126 sprintf(encoded_message, "Content-type: %s\n", content_type);
3129 sprintf(&encoded_message[strlen(encoded_message)],
3130 "Content-transfer-encoding: base64\n\n"
3134 sprintf(&encoded_message[strlen(encoded_message)],
3135 "Content-transfer-encoding: 7bit\n\n"
3141 &encoded_message[strlen(encoded_message)],
3147 raw_message[raw_length] = 0;
3149 &encoded_message[strlen(encoded_message)],
3157 lprintf(CTDL_DEBUG, "Allocating\n");
3158 msg = malloc(sizeof(struct CtdlMessage));
3159 memset(msg, 0, sizeof(struct CtdlMessage));
3160 msg->cm_magic = CTDLMESSAGE_MAGIC;
3161 msg->cm_anon_type = MES_NORMAL;
3162 msg->cm_format_type = 4;
3163 msg->cm_fields['A'] = strdup(CC->user.fullname);
3164 msg->cm_fields['O'] = strdup(req_room);
3165 msg->cm_fields['N'] = strdup(config.c_nodename);
3166 msg->cm_fields['H'] = strdup(config.c_humannode);
3167 msg->cm_flags = flags;
3169 msg->cm_fields['M'] = encoded_message;
3171 /* Create the requested room if we have to. */
3172 if (getroom(&qrbuf, roomname) != 0) {
3173 create_room(roomname,
3174 ( (is_mailbox != NULL) ? 5 : 3 ),
3177 /* If the caller specified this object as unique, delete all
3178 * other objects of this type that are currently in the room.
3181 lprintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
3182 CtdlDeleteMessages(roomname, 0L, content_type));
3184 /* Now write the data */
3185 CtdlSubmitMsg(msg, NULL, roomname);
3186 CtdlFreeMessage(msg);
3194 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
3195 config_msgnum = msgnum;
3199 char *CtdlGetSysConfig(char *sysconfname) {
3200 char hold_rm[ROOMNAMELEN];
3203 struct CtdlMessage *msg;
3206 strcpy(hold_rm, CC->room.QRname);
3207 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
3208 getroom(&CC->room, hold_rm);
3213 /* We want the last (and probably only) config in this room */
3214 begin_critical_section(S_CONFIG);
3215 config_msgnum = (-1L);
3216 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
3217 CtdlGetSysConfigBackend, NULL);
3218 msgnum = config_msgnum;
3219 end_critical_section(S_CONFIG);
3225 msg = CtdlFetchMessage(msgnum);
3227 conf = strdup(msg->cm_fields['M']);
3228 CtdlFreeMessage(msg);
3235 getroom(&CC->room, hold_rm);
3237 if (conf != NULL) do {
3238 extract_token(buf, conf, 0, '\n');
3239 strcpy(conf, &conf[strlen(buf)+1]);
3240 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
3245 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
3246 char temp[PATH_MAX];
3249 strcpy(temp, tmpnam(NULL));
3251 fp = fopen(temp, "w");
3252 if (fp == NULL) return;
3253 fprintf(fp, "%s", sysconfdata);
3256 /* this handy API function does all the work for us */
3257 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
3263 * Determine whether a given Internet address belongs to the current user
3265 int CtdlIsMe(char *addr) {
3266 struct recptypes *recp;
3269 recp = validate_recipients(addr);
3270 if (recp == NULL) return(0);
3272 if (recp->num_local == 0) {
3277 for (i=0; i<recp->num_local; ++i) {
3278 extract(addr, recp->recp_local, i);
3279 if (!strcasecmp(addr, CC->user.fullname)) {
3291 * Citadel protocol command to do the same
3293 void cmd_isme(char *argbuf) {
3296 if (CtdlAccessCheck(ac_logged_in)) return;
3297 extract(addr, argbuf, 0);
3299 if (CtdlIsMe(addr)) {
3300 cprintf("%d %s\n", CIT_OK, addr);
3303 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);