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 if (headers_only == HEADERS_FAST) goto DONE;
1347 mptr = TheMessage->cm_fields['M'];
1349 /* Tell the client about the MIME parts in this message */
1350 if (TheMessage->cm_format_type == FMT_RFC822) {
1351 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1352 mime_parser(mptr, NULL,
1358 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1359 /* FIXME ... we have to put some code in here to avoid
1360 * printing duplicate header information when both
1361 * Citadel and RFC822 headers exist. Preference should
1362 * probably be given to the RFC822 headers.
1364 int done_rfc822_hdrs = 0;
1365 while (ch=*(mptr++), ch!=0) {
1370 if (!done_rfc822_hdrs) {
1371 if (headers_only != HEADERS_NONE) {
1376 if (headers_only != HEADERS_ONLY) {
1380 if ((*(mptr) == 13) || (*(mptr) == 10)) {
1381 done_rfc822_hdrs = 1;
1385 if (done_rfc822_hdrs) {
1386 if (headers_only != HEADERS_NONE) {
1391 if (headers_only != HEADERS_ONLY) {
1395 if ((*mptr == 13) || (*mptr == 10)) {
1396 done_rfc822_hdrs = 1;
1404 if (headers_only == HEADERS_ONLY) {
1408 /* signify start of msg text */
1409 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1410 if (do_proto) cprintf("text\n");
1413 /* If the format type on disk is 1 (fixed-format), then we want
1414 * everything to be output completely literally ... regardless of
1415 * what message transfer format is in use.
1417 if (TheMessage->cm_format_type == FMT_FIXED) {
1418 if (mode == MT_MIME) {
1419 cprintf("Content-type: text/plain\n\n");
1422 while (ch = *mptr++, ch > 0) {
1425 if ((ch == 10) || (strlen(buf) > 250)) {
1426 cprintf("%s%s", buf, nl);
1429 buf[strlen(buf) + 1] = 0;
1430 buf[strlen(buf)] = ch;
1433 if (strlen(buf) > 0)
1434 cprintf("%s%s", buf, nl);
1437 /* If the message on disk is format 0 (Citadel vari-format), we
1438 * output using the formatter at 80 columns. This is the final output
1439 * form if the transfer format is RFC822, but if the transfer format
1440 * is Citadel proprietary, it'll still work, because the indentation
1441 * for new paragraphs is correct and the client will reformat the
1442 * message to the reader's screen width.
1444 if (TheMessage->cm_format_type == FMT_CITADEL) {
1445 if (mode == MT_MIME) {
1446 cprintf("Content-type: text/x-citadel-variformat\n\n");
1448 memfmout(80, mptr, 0, nl);
1451 /* If the message on disk is format 4 (MIME), we've gotta hand it
1452 * off to the MIME parser. The client has already been told that
1453 * this message is format 1 (fixed format), so the callback function
1454 * we use will display those parts as-is.
1456 if (TheMessage->cm_format_type == FMT_RFC822) {
1457 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1458 memset(ma, 0, sizeof(struct ma_info));
1460 if (mode == MT_MIME) {
1461 strcpy(ma->chosen_part, "1");
1462 mime_parser(mptr, NULL,
1463 *choose_preferred, *fixed_output_pre,
1464 *fixed_output_post, NULL, 0);
1465 mime_parser(mptr, NULL,
1466 *output_preferred, NULL, NULL, NULL, 0);
1469 mime_parser(mptr, NULL,
1470 *fixed_output, *fixed_output_pre,
1471 *fixed_output_post, NULL, 0);
1475 DONE: /* now we're done */
1476 if (do_proto) cprintf("000\n");
1483 * display a message (mode 0 - Citadel proprietary)
1485 void cmd_msg0(char *cmdbuf)
1488 int headers_only = HEADERS_ALL;
1490 msgid = extract_long(cmdbuf, 0);
1491 headers_only = extract_int(cmdbuf, 1);
1493 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1499 * display a message (mode 2 - RFC822)
1501 void cmd_msg2(char *cmdbuf)
1504 int headers_only = HEADERS_ALL;
1506 msgid = extract_long(cmdbuf, 0);
1507 headers_only = extract_int(cmdbuf, 1);
1509 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1515 * display a message (mode 3 - IGnet raw format - internal programs only)
1517 void cmd_msg3(char *cmdbuf)
1520 struct CtdlMessage *msg;
1523 if (CC->internal_pgm == 0) {
1524 cprintf("%d This command is for internal programs only.\n",
1525 ERROR + HIGHER_ACCESS_REQUIRED);
1529 msgnum = extract_long(cmdbuf, 0);
1530 msg = CtdlFetchMessage(msgnum);
1532 cprintf("%d Message %ld not found.\n",
1533 ERROR + MESSAGE_NOT_FOUND, msgnum);
1537 serialize_message(&smr, msg);
1538 CtdlFreeMessage(msg);
1541 cprintf("%d Unable to serialize message\n",
1542 ERROR + INTERNAL_ERROR);
1546 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1547 client_write(smr.ser, smr.len);
1554 * Display a message using MIME content types
1556 void cmd_msg4(char *cmdbuf)
1560 msgid = extract_long(cmdbuf, 0);
1561 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1567 * Client tells us its preferred message format(s)
1569 void cmd_msgp(char *cmdbuf)
1571 safestrncpy(CC->preferred_formats, cmdbuf,
1572 sizeof(CC->preferred_formats));
1573 cprintf("%d ok\n", CIT_OK);
1578 * Open a component of a MIME message as a download file
1580 void cmd_opna(char *cmdbuf)
1584 CtdlAllocUserData(SYM_DESIRED_SECTION, SIZ);
1586 msgid = extract_long(cmdbuf, 0);
1587 extract(desired_section, cmdbuf, 1);
1589 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1594 * Save a message pointer into a specified room
1595 * (Returns 0 for success, nonzero for failure)
1596 * roomname may be NULL to use the current room
1598 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1600 char hold_rm[ROOMNAMELEN];
1601 struct cdbdata *cdbfr;
1604 long highest_msg = 0L;
1605 struct CtdlMessage *msg = NULL;
1607 lprintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1608 roomname, msgid, flags);
1610 strcpy(hold_rm, CC->room.QRname);
1612 /* We may need to check to see if this message is real */
1613 if ( (flags & SM_VERIFY_GOODNESS)
1614 || (flags & SM_DO_REPL_CHECK)
1616 msg = CtdlFetchMessage(msgid);
1617 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1620 /* Perform replication checks if necessary */
1621 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1623 if (getroom(&CC->room,
1624 ((roomname != NULL) ? roomname : CC->room.QRname) )
1626 lprintf(CTDL_ERR, "No such room <%s>\n", roomname);
1627 if (msg != NULL) CtdlFreeMessage(msg);
1628 return(ERROR + ROOM_NOT_FOUND);
1631 if (ReplicationChecks(msg) != 0) {
1632 getroom(&CC->room, hold_rm);
1633 if (msg != NULL) CtdlFreeMessage(msg);
1634 lprintf(CTDL_DEBUG, "Did replication, and newer exists\n");
1639 /* Now the regular stuff */
1640 if (lgetroom(&CC->room,
1641 ((roomname != NULL) ? roomname : CC->room.QRname) )
1643 lprintf(CTDL_ERR, "No such room <%s>\n", roomname);
1644 if (msg != NULL) CtdlFreeMessage(msg);
1645 return(ERROR + ROOM_NOT_FOUND);
1648 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
1649 if (cdbfr == NULL) {
1653 msglist = malloc(cdbfr->len);
1654 if (msglist == NULL)
1655 lprintf(CTDL_ALERT, "ERROR malloc msglist!\n");
1656 num_msgs = cdbfr->len / sizeof(long);
1657 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1662 /* Make sure the message doesn't already exist in this room. It
1663 * is absolutely taboo to have more than one reference to the same
1664 * message in a room.
1666 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1667 if (msglist[i] == msgid) {
1668 lputroom(&CC->room); /* unlock the room */
1669 getroom(&CC->room, hold_rm);
1670 if (msg != NULL) CtdlFreeMessage(msg);
1672 return(ERROR + ALREADY_EXISTS);
1676 /* Now add the new message */
1678 msglist = realloc(msglist,
1679 (num_msgs * sizeof(long)));
1681 if (msglist == NULL) {
1682 lprintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
1684 msglist[num_msgs - 1] = msgid;
1686 /* Sort the message list, so all the msgid's are in order */
1687 num_msgs = sort_msglist(msglist, num_msgs);
1689 /* Determine the highest message number */
1690 highest_msg = msglist[num_msgs - 1];
1692 /* Write it back to disk. */
1693 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long),
1694 msglist, num_msgs * sizeof(long));
1696 /* Free up the memory we used. */
1699 /* Update the highest-message pointer and unlock the room. */
1700 CC->room.QRhighest = highest_msg;
1701 lputroom(&CC->room);
1702 getroom(&CC->room, hold_rm);
1704 /* Bump the reference count for this message. */
1705 if ((flags & SM_DONT_BUMP_REF)==0) {
1706 AdjRefCount(msgid, +1);
1709 /* Return success. */
1710 if (msg != NULL) CtdlFreeMessage(msg);
1717 * Message base operation to send a message to the master file
1718 * (returns new message number)
1720 * This is the back end for CtdlSubmitMsg() and should not be directly
1721 * called by server-side modules.
1724 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1725 FILE *save_a_copy) /* save a copy to disk? */
1732 /* Get a new message number */
1733 newmsgid = get_new_message_number();
1734 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1736 /* Generate an ID if we don't have one already */
1737 if (msg->cm_fields['I']==NULL) {
1738 msg->cm_fields['I'] = strdup(msgidbuf);
1741 serialize_message(&smr, msg);
1744 cprintf("%d Unable to serialize message\n",
1745 ERROR + INTERNAL_ERROR);
1749 /* Write our little bundle of joy into the message base */
1750 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1751 smr.ser, smr.len) < 0) {
1752 lprintf(CTDL_ERR, "Can't store message\n");
1758 /* If the caller specified that a copy should be saved to a particular
1759 * file handle, do that now too.
1761 if (save_a_copy != NULL) {
1762 fwrite(smr.ser, smr.len, 1, save_a_copy);
1765 /* Free the memory we used for the serialized message */
1768 /* Return the *local* message ID to the caller
1769 * (even if we're storing an incoming network message)
1777 * Serialize a struct CtdlMessage into the format used on disk and network.
1779 * This function loads up a "struct ser_ret" (defined in server.h) which
1780 * contains the length of the serialized message and a pointer to the
1781 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1783 void serialize_message(struct ser_ret *ret, /* return values */
1784 struct CtdlMessage *msg) /* unserialized msg */
1788 static char *forder = FORDER;
1790 if (is_valid_message(msg) == 0) return; /* self check */
1793 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1794 ret->len = ret->len +
1795 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1797 lprintf(CTDL_DEBUG, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1798 ret->ser = malloc(ret->len);
1799 if (ret->ser == NULL) {
1805 ret->ser[1] = msg->cm_anon_type;
1806 ret->ser[2] = msg->cm_format_type;
1809 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1810 ret->ser[wlen++] = (char)forder[i];
1811 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1812 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1814 if (ret->len != wlen) lprintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
1815 (long)ret->len, (long)wlen);
1823 * Back end for the ReplicationChecks() function
1825 void check_repl(long msgnum, void *userdata) {
1826 struct CtdlMessage *msg;
1827 time_t timestamp = (-1L);
1829 lprintf(CTDL_DEBUG, "check_repl() found message %ld\n", msgnum);
1830 msg = CtdlFetchMessage(msgnum);
1831 if (msg == NULL) return;
1832 if (msg->cm_fields['T'] != NULL) {
1833 timestamp = atol(msg->cm_fields['T']);
1835 CtdlFreeMessage(msg);
1837 if (timestamp > msg_repl->highest) {
1838 msg_repl->highest = timestamp; /* newer! */
1839 lprintf(CTDL_DEBUG, "newer!\n");
1842 lprintf(CTDL_DEBUG, "older!\n");
1844 /* Existing isn't newer? Then delete the old one(s). */
1845 CtdlDeleteMessages(CC->room.QRname, msgnum, "");
1850 * Check to see if any messages already exist which carry the same Extended ID
1854 * -> With older timestamps: delete them and return 0. Message will be saved.
1855 * -> With newer timestamps: return 1. Message save will be aborted.
1857 int ReplicationChecks(struct CtdlMessage *msg) {
1858 struct CtdlMessage *template;
1861 lprintf(CTDL_DEBUG, "ReplicationChecks() started\n");
1862 /* No extended id? Don't do anything. */
1863 if (msg->cm_fields['E'] == NULL) return 0;
1864 if (strlen(msg->cm_fields['E']) == 0) return 0;
1865 lprintf(CTDL_DEBUG, "Extended ID: <%s>\n", msg->cm_fields['E']);
1867 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1868 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1869 msg_repl->highest = atol(msg->cm_fields['T']);
1871 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1872 memset(template, 0, sizeof(struct CtdlMessage));
1873 template->cm_fields['E'] = strdup(msg->cm_fields['E']);
1875 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl, NULL);
1877 /* If a newer message exists with the same Extended ID, abort
1880 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1884 CtdlFreeMessage(template);
1885 lprintf(CTDL_DEBUG, "ReplicationChecks() returning %d\n", abort_this);
1893 * Save a message to disk and submit it into the delivery system.
1895 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1896 struct recptypes *recps, /* recipients (if mail) */
1897 char *force /* force a particular room? */
1900 char hold_rm[ROOMNAMELEN];
1901 char actual_rm[ROOMNAMELEN];
1902 char force_room[ROOMNAMELEN];
1903 char content_type[SIZ]; /* We have to learn this */
1904 char recipient[SIZ];
1907 struct ctdluser userbuf;
1909 struct MetaData smi;
1910 FILE *network_fp = NULL;
1911 static int seqnum = 1;
1912 struct CtdlMessage *imsg = NULL;
1915 char *hold_R, *hold_D;
1917 lprintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
1918 if (is_valid_message(msg) == 0) return(-1); /* self check */
1920 /* If this message has no timestamp, we take the liberty of
1921 * giving it one, right now.
1923 if (msg->cm_fields['T'] == NULL) {
1924 lprintf(CTDL_DEBUG, "Generating timestamp\n");
1925 snprintf(aaa, sizeof aaa, "%ld", (long)time(NULL));
1926 msg->cm_fields['T'] = strdup(aaa);
1929 /* If this message has no path, we generate one.
1931 if (msg->cm_fields['P'] == NULL) {
1932 lprintf(CTDL_DEBUG, "Generating path\n");
1933 if (msg->cm_fields['A'] != NULL) {
1934 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
1935 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1936 if (isspace(msg->cm_fields['P'][a])) {
1937 msg->cm_fields['P'][a] = ' ';
1942 msg->cm_fields['P'] = strdup("unknown");
1946 if (force == NULL) {
1947 strcpy(force_room, "");
1950 strcpy(force_room, force);
1953 /* Learn about what's inside, because it's what's inside that counts */
1954 lprintf(CTDL_DEBUG, "Learning what's inside\n");
1955 if (msg->cm_fields['M'] == NULL) {
1956 lprintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
1960 switch (msg->cm_format_type) {
1962 strcpy(content_type, "text/x-citadel-variformat");
1965 strcpy(content_type, "text/plain");
1968 strcpy(content_type, "text/plain");
1969 /* advance past header fields */
1970 mptr = msg->cm_fields['M'];
1973 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1974 safestrncpy(content_type, mptr,
1975 sizeof(content_type));
1976 strcpy(content_type, &content_type[14]);
1977 for (a = 0; a < strlen(content_type); ++a)
1978 if ((content_type[a] == ';')
1979 || (content_type[a] == ' ')
1980 || (content_type[a] == 13)
1981 || (content_type[a] == 10))
1982 content_type[a] = 0;
1989 /* Goto the correct room */
1990 lprintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CC->room.QRname : SENTITEMS);
1991 strcpy(hold_rm, CC->room.QRname);
1992 strcpy(actual_rm, CC->room.QRname);
1993 if (recps != NULL) {
1994 strcpy(actual_rm, SENTITEMS);
1997 /* If the user is a twit, move to the twit room for posting */
1998 lprintf(CTDL_DEBUG, "Handling twit stuff: %s\n",
1999 (CC->user.axlevel == 2) ? config.c_twitroom : "OK");
2001 if (CC->user.axlevel == 2) {
2002 strcpy(hold_rm, actual_rm);
2003 strcpy(actual_rm, config.c_twitroom);
2007 /* ...or if this message is destined for Aide> then go there. */
2008 if (strlen(force_room) > 0) {
2009 strcpy(actual_rm, force_room);
2012 lprintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2013 if (strcasecmp(actual_rm, CC->room.QRname)) {
2014 getroom(&CC->room, actual_rm);
2018 * If this message has no O (room) field, generate one.
2020 if (msg->cm_fields['O'] == NULL) {
2021 msg->cm_fields['O'] = strdup(CC->room.QRname);
2024 /* Perform "before save" hooks (aborting if any return nonzero) */
2025 lprintf(CTDL_DEBUG, "Performing before-save hooks\n");
2026 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
2028 /* If this message has an Extended ID, perform replication checks */
2029 lprintf(CTDL_DEBUG, "Performing replication checks\n");
2030 if (ReplicationChecks(msg) > 0) return(-1);
2032 /* Save it to disk */
2033 lprintf(CTDL_DEBUG, "Saving to disk\n");
2034 newmsgid = send_message(msg, NULL);
2035 if (newmsgid <= 0L) return(-1);
2037 /* Write a supplemental message info record. This doesn't have to
2038 * be a critical section because nobody else knows about this message
2041 lprintf(CTDL_DEBUG, "Creating MetaData record\n");
2042 memset(&smi, 0, sizeof(struct MetaData));
2043 smi.meta_msgnum = newmsgid;
2044 smi.meta_refcount = 0;
2045 safestrncpy(smi.meta_content_type, content_type, 64);
2048 /* Now figure out where to store the pointers */
2049 lprintf(CTDL_DEBUG, "Storing pointers\n");
2051 /* If this is being done by the networker delivering a private
2052 * message, we want to BYPASS saving the sender's copy (because there
2053 * is no local sender; it would otherwise go to the Trashcan).
2055 if ((!CC->internal_pgm) || (recps == NULL)) {
2056 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
2057 lprintf(CTDL_ERR, "ERROR saving message pointer!\n");
2058 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2062 /* For internet mail, drop a copy in the outbound queue room */
2064 if (recps->num_internet > 0) {
2065 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
2068 /* If other rooms are specified, drop them there too. */
2070 if (recps->num_room > 0)
2071 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2072 extract(recipient, recps->recp_room, i);
2073 lprintf(CTDL_DEBUG, "Delivering to local room <%s>\n", recipient);
2074 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
2077 /* Bump this user's messages posted counter. */
2078 lprintf(CTDL_DEBUG, "Updating user\n");
2079 lgetuser(&CC->user, CC->curr_user);
2080 CC->user.posted = CC->user.posted + 1;
2081 lputuser(&CC->user);
2083 /* If this is private, local mail, make a copy in the
2084 * recipient's mailbox and bump the reference count.
2087 if (recps->num_local > 0)
2088 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2089 extract(recipient, recps->recp_local, i);
2090 lprintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2092 if (getuser(&userbuf, recipient) == 0) {
2093 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2094 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
2095 BumpNewMailCounter(userbuf.usernum);
2098 lprintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2099 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2103 /* Perform "after save" hooks */
2104 lprintf(CTDL_DEBUG, "Performing after-save hooks\n");
2105 PerformMessageHooks(msg, EVT_AFTERSAVE);
2107 /* For IGnet mail, we have to save a new copy into the spooler for
2108 * each recipient, with the R and D fields set to the recipient and
2109 * destination-node. This has two ugly side effects: all other
2110 * recipients end up being unlisted in this recipient's copy of the
2111 * message, and it has to deliver multiple messages to the same
2112 * node. We'll revisit this again in a year or so when everyone has
2113 * a network spool receiver that can handle the new style messages.
2116 if (recps->num_ignet > 0)
2117 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2118 extract(recipient, recps->recp_ignet, i);
2120 hold_R = msg->cm_fields['R'];
2121 hold_D = msg->cm_fields['D'];
2122 msg->cm_fields['R'] = malloc(SIZ);
2123 msg->cm_fields['D'] = malloc(SIZ);
2124 extract_token(msg->cm_fields['R'], recipient, 0, '@');
2125 extract_token(msg->cm_fields['D'], recipient, 1, '@');
2127 serialize_message(&smr, msg);
2129 snprintf(aaa, sizeof aaa,
2130 "./network/spoolin/netmail.%04lx.%04x.%04x",
2131 (long) getpid(), CC->cs_pid, ++seqnum);
2132 network_fp = fopen(aaa, "wb+");
2133 if (network_fp != NULL) {
2134 fwrite(smr.ser, smr.len, 1, network_fp);
2140 free(msg->cm_fields['R']);
2141 free(msg->cm_fields['D']);
2142 msg->cm_fields['R'] = hold_R;
2143 msg->cm_fields['D'] = hold_D;
2146 /* Go back to the room we started from */
2147 lprintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2148 if (strcasecmp(hold_rm, CC->room.QRname))
2149 getroom(&CC->room, hold_rm);
2151 /* For internet mail, generate delivery instructions.
2152 * Yes, this is recursive. Deal with it. Infinite recursion does
2153 * not happen because the delivery instructions message does not
2154 * contain a recipient.
2157 if (recps->num_internet > 0) {
2158 lprintf(CTDL_DEBUG, "Generating delivery instructions\n");
2159 instr = malloc(SIZ * 2);
2160 snprintf(instr, SIZ * 2,
2161 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2163 SPOOLMIME, newmsgid, (long)time(NULL),
2164 msg->cm_fields['A'], msg->cm_fields['N']
2167 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2168 size_t tmp = strlen(instr);
2169 extract(recipient, recps->recp_internet, i);
2170 snprintf(&instr[tmp], SIZ * 2 - tmp,
2171 "remote|%s|0||\n", recipient);
2174 imsg = malloc(sizeof(struct CtdlMessage));
2175 memset(imsg, 0, sizeof(struct CtdlMessage));
2176 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2177 imsg->cm_anon_type = MES_NORMAL;
2178 imsg->cm_format_type = FMT_RFC822;
2179 imsg->cm_fields['A'] = strdup("Citadel");
2180 imsg->cm_fields['M'] = instr;
2181 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2182 CtdlFreeMessage(imsg);
2191 * Convenience function for generating small administrative messages.
2193 void quickie_message(char *from, char *to, char *room, char *text,
2194 int format_type, char *subject)
2196 struct CtdlMessage *msg;
2197 struct recptypes *recp = NULL;
2199 msg = malloc(sizeof(struct CtdlMessage));
2200 memset(msg, 0, sizeof(struct CtdlMessage));
2201 msg->cm_magic = CTDLMESSAGE_MAGIC;
2202 msg->cm_anon_type = MES_NORMAL;
2203 msg->cm_format_type = format_type;
2204 msg->cm_fields['A'] = strdup(from);
2205 if (room != NULL) msg->cm_fields['O'] = strdup(room);
2206 msg->cm_fields['N'] = strdup(NODENAME);
2208 msg->cm_fields['R'] = strdup(to);
2209 recp = validate_recipients(to);
2211 if (subject != NULL) {
2212 msg->cm_fields['U'] = strdup(subject);
2214 msg->cm_fields['M'] = strdup(text);
2216 CtdlSubmitMsg(msg, recp, room);
2217 CtdlFreeMessage(msg);
2218 if (recp != NULL) free(recp);
2224 * Back end function used by CtdlMakeMessage() and similar functions
2226 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2227 size_t maxlen, /* maximum message length */
2228 char *exist, /* if non-null, append to it;
2229 exist is ALWAYS freed */
2230 int crlf /* CRLF newlines instead of LF */
2234 size_t message_len = 0;
2235 size_t buffer_len = 0;
2241 if (exist == NULL) {
2248 message_len = strlen(exist);
2249 buffer_len = message_len + 4096;
2250 m = realloc(exist, buffer_len);
2257 /* flush the input if we have nowhere to store it */
2262 /* read in the lines of message text one by one */
2264 if (client_gets(buf) < 1) finished = 1;
2265 if (!strcmp(buf, terminator)) finished = 1;
2267 strcat(buf, "\r\n");
2273 if ( (!flushing) && (!finished) ) {
2274 /* Measure the line */
2275 linelen = strlen(buf);
2277 /* augment the buffer if we have to */
2278 if ((message_len + linelen) >= buffer_len) {
2279 ptr = realloc(m, (buffer_len * 2) );
2280 if (ptr == NULL) { /* flush if can't allocate */
2283 buffer_len = (buffer_len * 2);
2285 lprintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
2289 /* Add the new line to the buffer. NOTE: this loop must avoid
2290 * using functions like strcat() and strlen() because they
2291 * traverse the entire buffer upon every call, and doing that
2292 * for a multi-megabyte message slows it down beyond usability.
2294 strcpy(&m[message_len], buf);
2295 message_len += linelen;
2298 /* if we've hit the max msg length, flush the rest */
2299 if (message_len >= maxlen) flushing = 1;
2301 } while (!finished);
2309 * Build a binary message to be saved on disk.
2310 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2311 * will become part of the message. This means you are no longer
2312 * responsible for managing that memory -- it will be freed along with
2313 * the rest of the fields when CtdlFreeMessage() is called.)
2316 struct CtdlMessage *CtdlMakeMessage(
2317 struct ctdluser *author, /* author's user structure */
2318 char *recipient, /* NULL if it's not mail */
2319 char *room, /* room where it's going */
2320 int type, /* see MES_ types in header file */
2321 int format_type, /* variformat, plain text, MIME... */
2322 char *fake_name, /* who we're masquerading as */
2323 char *subject, /* Subject (optional) */
2324 char *preformatted_text /* ...or NULL to read text from client */
2326 char dest_node[SIZ];
2328 struct CtdlMessage *msg;
2330 msg = malloc(sizeof(struct CtdlMessage));
2331 memset(msg, 0, sizeof(struct CtdlMessage));
2332 msg->cm_magic = CTDLMESSAGE_MAGIC;
2333 msg->cm_anon_type = type;
2334 msg->cm_format_type = format_type;
2336 /* Don't confuse the poor folks if it's not routed mail. */
2337 strcpy(dest_node, "");
2341 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2342 msg->cm_fields['P'] = strdup(buf);
2344 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2345 msg->cm_fields['T'] = strdup(buf);
2347 if (fake_name[0]) /* author */
2348 msg->cm_fields['A'] = strdup(fake_name);
2350 msg->cm_fields['A'] = strdup(author->fullname);
2352 if (CC->room.QRflags & QR_MAILBOX) { /* room */
2353 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
2356 msg->cm_fields['O'] = strdup(CC->room.QRname);
2359 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
2360 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
2362 if (recipient[0] != 0) {
2363 msg->cm_fields['R'] = strdup(recipient);
2365 if (dest_node[0] != 0) {
2366 msg->cm_fields['D'] = strdup(dest_node);
2369 if ( (author == &CC->user) && (strlen(CC->cs_inet_email) > 0) ) {
2370 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
2373 if (subject != NULL) {
2375 if (strlen(subject) > 0) {
2376 msg->cm_fields['U'] = strdup(subject);
2380 if (preformatted_text != NULL) {
2381 msg->cm_fields['M'] = preformatted_text;
2384 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2385 config.c_maxmsglen, NULL, 0);
2393 * Check to see whether we have permission to post a message in the current
2394 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2395 * returns 0 on success.
2397 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2399 if (!(CC->logged_in)) {
2400 snprintf(errmsgbuf, n, "Not logged in.");
2401 return (ERROR + NOT_LOGGED_IN);
2404 if ((CC->user.axlevel < 2)
2405 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
2406 snprintf(errmsgbuf, n, "Need to be validated to enter "
2407 "(except in %s> to sysop)", MAILROOM);
2408 return (ERROR + HIGHER_ACCESS_REQUIRED);
2411 if ((CC->user.axlevel < 4)
2412 && (CC->room.QRflags & QR_NETWORK)) {
2413 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2414 return (ERROR + HIGHER_ACCESS_REQUIRED);
2417 if ((CC->user.axlevel < 6)
2418 && (CC->room.QRflags & QR_READONLY)) {
2419 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2420 return (ERROR + HIGHER_ACCESS_REQUIRED);
2423 strcpy(errmsgbuf, "Ok");
2429 * Check to see if the specified user has Internet mail permission
2430 * (returns nonzero if permission is granted)
2432 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
2434 /* Globally enabled? */
2435 if (config.c_restrict == 0) return(1);
2437 /* User flagged ok? */
2438 if (who->flags & US_INTERNET) return(2);
2440 /* Aide level access? */
2441 if (who->axlevel >= 6) return(3);
2443 /* No mail for you! */
2450 * Validate recipients, count delivery types and errors, and handle aliasing
2451 * FIXME check for dupes!!!!!
2453 struct recptypes *validate_recipients(char *recipients) {
2454 struct recptypes *ret;
2455 char this_recp[SIZ];
2456 char this_recp_cooked[SIZ];
2462 struct ctdluser tempUS;
2463 struct ctdlroom tempQR;
2466 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2467 if (ret == NULL) return(NULL);
2468 memset(ret, 0, sizeof(struct recptypes));
2471 ret->num_internet = 0;
2476 if (recipients == NULL) {
2479 else if (strlen(recipients) == 0) {
2483 /* Change all valid separator characters to commas */
2484 for (i=0; i<strlen(recipients); ++i) {
2485 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2486 recipients[i] = ',';
2491 num_recps = num_tokens(recipients, ',');
2494 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2495 extract_token(this_recp, recipients, i, ',');
2497 lprintf(CTDL_DEBUG, "Evaluating recipient #%d <%s>\n", i, this_recp);
2498 mailtype = alias(this_recp);
2499 mailtype = alias(this_recp);
2500 mailtype = alias(this_recp);
2501 for (j=0; j<=strlen(this_recp); ++j) {
2502 if (this_recp[j]=='_') {
2503 this_recp_cooked[j] = ' ';
2506 this_recp_cooked[j] = this_recp[j];
2512 if (!strcasecmp(this_recp, "sysop")) {
2514 strcpy(this_recp, config.c_aideroom);
2515 if (strlen(ret->recp_room) > 0) {
2516 strcat(ret->recp_room, "|");
2518 strcat(ret->recp_room, this_recp);
2520 else if (getuser(&tempUS, this_recp) == 0) {
2522 strcpy(this_recp, tempUS.fullname);
2523 if (strlen(ret->recp_local) > 0) {
2524 strcat(ret->recp_local, "|");
2526 strcat(ret->recp_local, this_recp);
2528 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2530 strcpy(this_recp, tempUS.fullname);
2531 if (strlen(ret->recp_local) > 0) {
2532 strcat(ret->recp_local, "|");
2534 strcat(ret->recp_local, this_recp);
2536 else if ( (!strncasecmp(this_recp, "room_", 5))
2537 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2539 if (strlen(ret->recp_room) > 0) {
2540 strcat(ret->recp_room, "|");
2542 strcat(ret->recp_room, &this_recp_cooked[5]);
2550 /* Yes, you're reading this correctly: if the target
2551 * domain points back to the local system or an attached
2552 * Citadel directory, the address is invalid. That's
2553 * because if the address were valid, we would have
2554 * already translated it to a local address by now.
2556 if (IsDirectory(this_recp)) {
2561 ++ret->num_internet;
2562 if (strlen(ret->recp_internet) > 0) {
2563 strcat(ret->recp_internet, "|");
2565 strcat(ret->recp_internet, this_recp);
2570 if (strlen(ret->recp_ignet) > 0) {
2571 strcat(ret->recp_ignet, "|");
2573 strcat(ret->recp_ignet, this_recp);
2581 if (strlen(ret->errormsg) == 0) {
2582 snprintf(append, sizeof append,
2583 "Invalid recipient: %s",
2587 snprintf(append, sizeof append,
2590 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2591 strcat(ret->errormsg, append);
2595 if (strlen(ret->display_recp) == 0) {
2596 strcpy(append, this_recp);
2599 snprintf(append, sizeof append, ", %s",
2602 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2603 strcat(ret->display_recp, append);
2608 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2609 ret->num_room + ret->num_error) == 0) {
2611 strcpy(ret->errormsg, "No recipients specified.");
2614 lprintf(CTDL_DEBUG, "validate_recipients()\n");
2615 lprintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2616 lprintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2617 lprintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2618 lprintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2619 lprintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2627 * message entry - mode 0 (normal)
2629 void cmd_ent0(char *entargs)
2633 char masquerade_as[SIZ];
2635 int format_type = 0;
2636 char newusername[SIZ];
2637 struct CtdlMessage *msg;
2641 struct recptypes *valid = NULL;
2644 post = extract_int(entargs, 0);
2645 extract(recp, entargs, 1);
2646 anon_flag = extract_int(entargs, 2);
2647 format_type = extract_int(entargs, 3);
2648 extract(subject, entargs, 4);
2650 /* first check to make sure the request is valid. */
2652 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2654 cprintf("%d %s\n", err, errmsg);
2658 /* Check some other permission type things. */
2661 if (CC->user.axlevel < 6) {
2662 cprintf("%d You don't have permission to masquerade.\n",
2663 ERROR + HIGHER_ACCESS_REQUIRED);
2666 extract(newusername, entargs, 5);
2667 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2668 safestrncpy(CC->fake_postname, newusername,
2669 sizeof(CC->fake_postname) );
2670 cprintf("%d ok\n", CIT_OK);
2673 CC->cs_flags |= CS_POSTING;
2675 /* In the Mail> room we have to behave a little differently --
2676 * make sure the user has specified at least one recipient. Then
2677 * validate the recipient(s).
2679 if ( (CC->room.QRflags & QR_MAILBOX)
2680 && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) ) {
2682 if (CC->user.axlevel < 2) {
2683 strcpy(recp, "sysop");
2686 valid = validate_recipients(recp);
2687 if (valid->num_error > 0) {
2689 ERROR + NO_SUCH_USER, valid->errormsg);
2693 if (valid->num_internet > 0) {
2694 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
2695 cprintf("%d You do not have permission "
2696 "to send Internet mail.\n",
2697 ERROR + HIGHER_ACCESS_REQUIRED);
2703 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2704 && (CC->user.axlevel < 4) ) {
2705 cprintf("%d Higher access required for network mail.\n",
2706 ERROR + HIGHER_ACCESS_REQUIRED);
2711 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2712 && ((CC->user.flags & US_INTERNET) == 0)
2713 && (!CC->internal_pgm)) {
2714 cprintf("%d You don't have access to Internet mail.\n",
2715 ERROR + HIGHER_ACCESS_REQUIRED);
2722 /* Is this a room which has anonymous-only or anonymous-option? */
2723 anonymous = MES_NORMAL;
2724 if (CC->room.QRflags & QR_ANONONLY) {
2725 anonymous = MES_ANONONLY;
2727 if (CC->room.QRflags & QR_ANONOPT) {
2728 if (anon_flag == 1) { /* only if the user requested it */
2729 anonymous = MES_ANONOPT;
2733 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
2737 /* If we're only checking the validity of the request, return
2738 * success without creating the message.
2741 cprintf("%d %s\n", CIT_OK,
2742 ((valid != NULL) ? valid->display_recp : "") );
2747 /* Handle author masquerading */
2748 if (CC->fake_postname[0]) {
2749 strcpy(masquerade_as, CC->fake_postname);
2751 else if (CC->fake_username[0]) {
2752 strcpy(masquerade_as, CC->fake_username);
2755 strcpy(masquerade_as, "");
2758 /* Read in the message from the client. */
2759 cprintf("%d send message\n", SEND_LISTING);
2760 msg = CtdlMakeMessage(&CC->user, recp,
2761 CC->room.QRname, anonymous, format_type,
2762 masquerade_as, subject, NULL);
2765 CtdlSubmitMsg(msg, valid, "");
2766 CtdlFreeMessage(msg);
2768 CC->fake_postname[0] = '\0';
2776 * API function to delete messages which match a set of criteria
2777 * (returns the actual number of messages deleted)
2779 int CtdlDeleteMessages(char *room_name, /* which room */
2780 long dmsgnum, /* or "0" for any */
2781 char *content_type /* or "" for any */
2785 struct ctdlroom qrbuf;
2786 struct cdbdata *cdbfr;
2787 long *msglist = NULL;
2788 long *dellist = NULL;
2791 int num_deleted = 0;
2793 struct MetaData smi;
2795 lprintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %ld, %s)\n",
2796 room_name, dmsgnum, content_type);
2798 /* get room record, obtaining a lock... */
2799 if (lgetroom(&qrbuf, room_name) != 0) {
2800 lprintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
2802 return (0); /* room not found */
2804 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2806 if (cdbfr != NULL) {
2807 msglist = malloc(cdbfr->len);
2808 dellist = malloc(cdbfr->len);
2809 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2810 num_msgs = cdbfr->len / sizeof(long);
2814 for (i = 0; i < num_msgs; ++i) {
2817 /* Set/clear a bit for each criterion */
2819 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2820 delete_this |= 0x01;
2822 if (strlen(content_type) == 0) {
2823 delete_this |= 0x02;
2825 GetMetaData(&smi, msglist[i]);
2826 if (!strcasecmp(smi.meta_content_type,
2828 delete_this |= 0x02;
2832 /* Delete message only if all bits are set */
2833 if (delete_this == 0x03) {
2834 dellist[num_deleted++] = msglist[i];
2839 num_msgs = sort_msglist(msglist, num_msgs);
2840 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2841 msglist, (num_msgs * sizeof(long)));
2843 qrbuf.QRhighest = msglist[num_msgs - 1];
2847 /* Go through the messages we pulled out of the index, and decrement
2848 * their reference counts by 1. If this is the only room the message
2849 * was in, the reference count will reach zero and the message will
2850 * automatically be deleted from the database. We do this in a
2851 * separate pass because there might be plug-in hooks getting called,
2852 * and we don't want that happening during an S_ROOMS critical
2855 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2856 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2857 AdjRefCount(dellist[i], -1);
2860 /* Now free the memory we used, and go away. */
2861 if (msglist != NULL) free(msglist);
2862 if (dellist != NULL) free(dellist);
2863 lprintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
2864 return (num_deleted);
2870 * Check whether the current user has permission to delete messages from
2871 * the current room (returns 1 for yes, 0 for no)
2873 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2874 getuser(&CC->user, CC->curr_user);
2875 if ((CC->user.axlevel < 6)
2876 && (CC->user.usernum != CC->room.QRroomaide)
2877 && ((CC->room.QRflags & QR_MAILBOX) == 0)
2878 && (!(CC->internal_pgm))) {
2887 * Delete message from current room
2889 void cmd_dele(char *delstr)
2894 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2895 cprintf("%d Higher access required.\n",
2896 ERROR + HIGHER_ACCESS_REQUIRED);
2899 delnum = extract_long(delstr, 0);
2901 num_deleted = CtdlDeleteMessages(CC->room.QRname, delnum, "");
2904 cprintf("%d %d message%s deleted.\n", CIT_OK,
2905 num_deleted, ((num_deleted != 1) ? "s" : ""));
2907 cprintf("%d Message %ld not found.\n", ERROR + MESSAGE_NOT_FOUND, delnum);
2913 * Back end API function for moves and deletes
2915 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2918 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2919 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2920 if (err != 0) return(err);
2928 * move or copy a message to another room
2930 void cmd_move(char *args)
2934 struct ctdlroom qtemp;
2940 num = extract_long(args, 0);
2941 extract(targ, args, 1);
2942 targ[ROOMNAMELEN - 1] = 0;
2943 is_copy = extract_int(args, 2);
2945 if (getroom(&qtemp, targ) != 0) {
2946 cprintf("%d '%s' does not exist.\n",
2947 ERROR + ROOM_NOT_FOUND, targ);
2951 getuser(&CC->user, CC->curr_user);
2952 ra = CtdlRoomAccess(&qtemp, &CC->user);
2954 /* Check for permission to perform this operation.
2955 * Remember: "CC->room" is source, "qtemp" is target.
2959 /* Aides can move/copy */
2960 if (CC->user.axlevel >= 6) permit = 1;
2962 /* Room aides can move/copy */
2963 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
2965 /* Permit move/copy from personal rooms */
2966 if ((CC->room.QRflags & QR_MAILBOX)
2967 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
2969 /* Permit only copy from public to personal room */
2971 && (!(CC->room.QRflags & QR_MAILBOX))
2972 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
2974 /* User must have access to target room */
2975 if (!(ra & UA_KNOWN)) permit = 0;
2978 cprintf("%d Higher access required.\n",
2979 ERROR + HIGHER_ACCESS_REQUIRED);
2983 err = CtdlCopyMsgToRoom(num, targ);
2985 cprintf("%d Cannot store message in %s: error %d\n",
2990 /* Now delete the message from the source room,
2991 * if this is a 'move' rather than a 'copy' operation.
2994 CtdlDeleteMessages(CC->room.QRname, num, "");
2997 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
3003 * GetMetaData() - Get the supplementary record for a message
3005 void GetMetaData(struct MetaData *smibuf, long msgnum)
3008 struct cdbdata *cdbsmi;
3011 memset(smibuf, 0, sizeof(struct MetaData));
3012 smibuf->meta_msgnum = msgnum;
3013 smibuf->meta_refcount = 1; /* Default reference count is 1 */
3015 /* Use the negative of the message number for its supp record index */
3016 TheIndex = (0L - msgnum);
3018 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
3019 if (cdbsmi == NULL) {
3020 return; /* record not found; go with defaults */
3022 memcpy(smibuf, cdbsmi->ptr,
3023 ((cdbsmi->len > sizeof(struct MetaData)) ?
3024 sizeof(struct MetaData) : cdbsmi->len));
3031 * PutMetaData() - (re)write supplementary record for a message
3033 void PutMetaData(struct MetaData *smibuf)
3037 /* Use the negative of the message number for the metadata db index */
3038 TheIndex = (0L - smibuf->meta_msgnum);
3040 lprintf(CTDL_DEBUG, "PutMetaData(%ld) - ref count is %d\n",
3041 smibuf->meta_msgnum, smibuf->meta_refcount);
3043 cdb_store(CDB_MSGMAIN,
3044 &TheIndex, sizeof(long),
3045 smibuf, sizeof(struct MetaData));
3050 * AdjRefCount - change the reference count for a message;
3051 * delete the message if it reaches zero
3053 void AdjRefCount(long msgnum, int incr)
3056 struct MetaData smi;
3059 /* This is a *tight* critical section; please keep it that way, as
3060 * it may get called while nested in other critical sections.
3061 * Complicating this any further will surely cause deadlock!
3063 begin_critical_section(S_SUPPMSGMAIN);
3064 GetMetaData(&smi, msgnum);
3065 lprintf(CTDL_DEBUG, "Ref count for message <%ld> before write is <%d>\n",
3066 msgnum, smi.meta_refcount);
3067 smi.meta_refcount += incr;
3069 end_critical_section(S_SUPPMSGMAIN);
3070 lprintf(CTDL_DEBUG, "Ref count for message <%ld> after write is <%d>\n",
3071 msgnum, smi.meta_refcount);
3073 /* If the reference count is now zero, delete the message
3074 * (and its supplementary record as well).
3076 if (smi.meta_refcount == 0) {
3077 lprintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
3079 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
3081 /* We have to delete the metadata record too! */
3082 delnum = (0L - msgnum);
3083 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
3088 * Write a generic object to this room
3090 * Note: this could be much more efficient. Right now we use two temporary
3091 * files, and still pull the message into memory as with all others.
3093 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3094 char *content_type, /* MIME type of this object */
3095 char *tempfilename, /* Where to fetch it from */
3096 struct ctdluser *is_mailbox, /* Mailbox room? */
3097 int is_binary, /* Is encoding necessary? */
3098 int is_unique, /* Del others of this type? */
3099 unsigned int flags /* Internal save flags */
3104 struct ctdlroom qrbuf;
3105 char roomname[ROOMNAMELEN];
3106 struct CtdlMessage *msg;
3108 char *raw_message = NULL;
3109 char *encoded_message = NULL;
3110 off_t raw_length = 0;
3112 if (is_mailbox != NULL)
3113 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
3115 safestrncpy(roomname, req_room, sizeof(roomname));
3116 lprintf(CTDL_DEBUG, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
3119 fp = fopen(tempfilename, "rb");
3121 lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
3122 tempfilename, strerror(errno));
3125 fseek(fp, 0L, SEEK_END);
3126 raw_length = ftell(fp);
3128 lprintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
3130 raw_message = malloc((size_t)raw_length + 2);
3131 fread(raw_message, (size_t)raw_length, 1, fp);
3135 encoded_message = malloc((size_t)
3136 (((raw_length * 134) / 100) + 4096 ) );
3139 encoded_message = malloc((size_t)(raw_length + 4096));
3142 sprintf(encoded_message, "Content-type: %s\n", content_type);
3145 sprintf(&encoded_message[strlen(encoded_message)],
3146 "Content-transfer-encoding: base64\n\n"
3150 sprintf(&encoded_message[strlen(encoded_message)],
3151 "Content-transfer-encoding: 7bit\n\n"
3157 &encoded_message[strlen(encoded_message)],
3163 raw_message[raw_length] = 0;
3165 &encoded_message[strlen(encoded_message)],
3173 lprintf(CTDL_DEBUG, "Allocating\n");
3174 msg = malloc(sizeof(struct CtdlMessage));
3175 memset(msg, 0, sizeof(struct CtdlMessage));
3176 msg->cm_magic = CTDLMESSAGE_MAGIC;
3177 msg->cm_anon_type = MES_NORMAL;
3178 msg->cm_format_type = 4;
3179 msg->cm_fields['A'] = strdup(CC->user.fullname);
3180 msg->cm_fields['O'] = strdup(req_room);
3181 msg->cm_fields['N'] = strdup(config.c_nodename);
3182 msg->cm_fields['H'] = strdup(config.c_humannode);
3183 msg->cm_flags = flags;
3185 msg->cm_fields['M'] = encoded_message;
3187 /* Create the requested room if we have to. */
3188 if (getroom(&qrbuf, roomname) != 0) {
3189 create_room(roomname,
3190 ( (is_mailbox != NULL) ? 5 : 3 ),
3193 /* If the caller specified this object as unique, delete all
3194 * other objects of this type that are currently in the room.
3197 lprintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
3198 CtdlDeleteMessages(roomname, 0L, content_type));
3200 /* Now write the data */
3201 CtdlSubmitMsg(msg, NULL, roomname);
3202 CtdlFreeMessage(msg);
3210 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
3211 config_msgnum = msgnum;
3215 char *CtdlGetSysConfig(char *sysconfname) {
3216 char hold_rm[ROOMNAMELEN];
3219 struct CtdlMessage *msg;
3222 strcpy(hold_rm, CC->room.QRname);
3223 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
3224 getroom(&CC->room, hold_rm);
3229 /* We want the last (and probably only) config in this room */
3230 begin_critical_section(S_CONFIG);
3231 config_msgnum = (-1L);
3232 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
3233 CtdlGetSysConfigBackend, NULL);
3234 msgnum = config_msgnum;
3235 end_critical_section(S_CONFIG);
3241 msg = CtdlFetchMessage(msgnum);
3243 conf = strdup(msg->cm_fields['M']);
3244 CtdlFreeMessage(msg);
3251 getroom(&CC->room, hold_rm);
3253 if (conf != NULL) do {
3254 extract_token(buf, conf, 0, '\n');
3255 strcpy(conf, &conf[strlen(buf)+1]);
3256 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
3261 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
3262 char temp[PATH_MAX];
3265 strcpy(temp, tmpnam(NULL));
3267 fp = fopen(temp, "w");
3268 if (fp == NULL) return;
3269 fprintf(fp, "%s", sysconfdata);
3272 /* this handy API function does all the work for us */
3273 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
3279 * Determine whether a given Internet address belongs to the current user
3281 int CtdlIsMe(char *addr) {
3282 struct recptypes *recp;
3285 recp = validate_recipients(addr);
3286 if (recp == NULL) return(0);
3288 if (recp->num_local == 0) {
3293 for (i=0; i<recp->num_local; ++i) {
3294 extract(addr, recp->recp_local, i);
3295 if (!strcasecmp(addr, CC->user.fullname)) {
3307 * Citadel protocol command to do the same
3309 void cmd_isme(char *argbuf) {
3312 if (CtdlAccessCheck(ac_logged_in)) return;
3313 extract(addr, argbuf, 0);
3315 if (CtdlIsMe(addr)) {
3316 cprintf("%d %s\n", CIT_OK, addr);
3319 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);