/*
* Deliver digest messages
*/
void network_deliver_digest(SpoolControl *sc)
{
struct CitContext *CCC = CC;
long len;
char buf[SIZ];
char *pbuf;
struct CtdlMessage *msg = NULL;
long msglen;
recptypes *valid;
char bounce_to[256];
if (sc->Users[digestrecp] == NULL)
return;
msg = malloc(sizeof(struct CtdlMessage));
memset(msg, 0, sizeof(struct CtdlMessage));
msg->cm_magic = CTDLMESSAGE_MAGIC;
msg->cm_format_type = FMT_RFC822;
msg->cm_anon_type = MES_NORMAL;
CM_SetFieldLONG(msg, eTimestamp, time(NULL));
CM_SetField(msg, eAuthor, CCC->room.QRname, strlen(CCC->room.QRname));
len = snprintf(buf, sizeof buf, "[%s]", CCC->room.QRname);
CM_SetField(msg, eMsgSubject, buf, len);
CM_SetField(msg, erFc822Addr, SKEY(sc->Users[roommailalias]));
CM_SetField(msg, eRecipient, SKEY(sc->Users[roommailalias]));
/* Set the 'List-ID' header */
CM_SetField(msg, eListID, SKEY(sc->ListID));
/*
* Go fetch the contents of the digest
*/
fseek(sc->digestfp, 0L, SEEK_END);
msglen = ftell(sc->digestfp);
pbuf = malloc(msglen + 1);
fseek(sc->digestfp, 0L, SEEK_SET);
fread(pbuf, (size_t)msglen, 1, sc->digestfp);
pbuf[msglen] = '\0';
CM_SetAsField(msg, eMesageText, &pbuf, msglen);
/* Now generate the delivery instructions */
/* Where do we want bounces and other noise to be heard?
* Surely not the list members! */
snprintf(bounce_to, sizeof bounce_to, "room_aide@%s", config.c_fqdn);
/* Now submit the message */
valid = validate_recipients(ChrPtr(sc->Users[digestrecp]), NULL, 0);
if (valid != NULL) {
valid->bounce_to = strdup(bounce_to);
valid->envelope_from = strdup(bounce_to);
CtdlSubmitMsg(msg, valid, NULL, 0);
}
CM_Free(msg);
free_recipients(valid);
}
void network_process_participate(SpoolControl *sc, struct CtdlMessage *omsg, long *delete_after_send)
{
struct CtdlMessage *msg = NULL;
int ok_to_participate = 0;
StrBuf *Buf = NULL;
recptypes *valid;
/*
* Process client-side list participations for this room
*/
if (sc->Users[participate] == NULL)
return;
msg = CM_Duplicate(omsg);
/* Only send messages which originated on our own
* Citadel network, otherwise we'll end up sending the
* remote mailing list's messages back to it, which
* is rude...
*/
ok_to_participate = 0;
if (!CM_IsEmpty(msg, eNodeName)) {
if (!strcasecmp(msg->cm_fields[eNodeName],
config.c_nodename)) {
ok_to_participate = 1;
}
Buf = NewStrBufPlain(CM_KEY(msg, eNodeName));
if (CtdlIsValidNode(NULL,
NULL,
Buf,
sc->working_ignetcfg,
sc->the_netmap) == 0)
{
ok_to_participate = 1;
}
}
if (ok_to_participate)
{
/* Replace the Internet email address of the
* actual author with the email address of the
* room itself, so the remote listserv doesn't
* reject us.
*/
CM_SetField(msg, erFc822Addr, SKEY(sc->Users[roommailalias]));
valid = validate_recipients(ChrPtr(sc->Users[participate]) , NULL, 0);
CM_SetField(msg, eRecipient, SKEY(sc->Users[roommailalias]));
CtdlSubmitMsg(msg, valid, "", 0);
free_recipients(valid);
}
FreeStrBuf(&Buf);
CM_Free(msg);
}
/*
* Pre-save hook for saving a message in a blog room.
* (Do we want to only do this for top-level messages?)
*/
int blog_upload_beforesave(struct CtdlMessage *msg, recptypes *recp) {
/* Only run this hook for blog rooms */
if (CC->room.QRdefaultview != VIEW_BLOG) {
return(0);
}
/*
* If the message doesn't have an EUID, give it one.
*/
if (CM_IsEmpty(msg, eExclusiveID))
{
char uuid[SIZ];
generate_uuid(uuid);
CM_SetField(msg, eExclusiveID, uuid, strlen(uuid));
}
/*
* We also want to define a maximum length, whether we generated it or not.
*/
CM_CutFieldAt(msg, eExclusiveID, BLOG_EUIDBUF_SIZE - 1);
/* Now allow the save to complete. */
return(0);
}
void network_process_list(SpoolControl *sc, struct CtdlMessage *omsg, long *delete_after_send)
{
struct CtdlMessage *msg = NULL;
/*
* Process mailing list recipients
*/
if (sc->Users[listrecp] == NULL)
return;
/* create our own copy of the message.
* We're going to need to modify it
* in order to insert the [list name] in it, etc.
*/
msg = CM_Duplicate(omsg);
CM_SetField(msg, eReplyTo, SKEY(sc->Users[roommailalias]));
/* if there is no other recipient, Set the recipient
* of the list message to the email address of the
* room itself.
*/
if (CM_IsEmpty(msg, eRecipient))
{
CM_SetField(msg, eRecipient, SKEY(sc->Users[roommailalias]));
}
/* Set the 'List-ID' header */
CM_SetField(msg, eListID, SKEY(sc->ListID));
/* Prepend "[List name]" to the subject */
ListCalculateSubject(msg);
/* Handle delivery */
network_deliver_list(msg, sc, CC->room.QRname);
CM_Free(msg);
}
/*
* Called by JournalRunQueue() to send an individual message.
*/
void JournalRunQueueMsg(struct jnlq *jmsg) {
struct CtdlMessage *journal_msg = NULL;
recptypes *journal_recps = NULL;
StrBuf *message_text = NULL;
char mime_boundary[256];
long mblen;
long rfc822len;
char recipient[256];
char inetemail[256];
static int seq = 0;
int i;
if (jmsg == NULL)
return;
journal_recps = validate_recipients(config.c_journal_dest, NULL, 0);
if (journal_recps != NULL) {
if ( (journal_recps->num_local > 0)
|| (journal_recps->num_internet > 0)
|| (journal_recps->num_ignet > 0)
|| (journal_recps->num_room > 0)
) {
/*
* Construct journal message.
* Note that we are transferring ownership of some of the memory here.
*/
journal_msg = malloc(sizeof(struct CtdlMessage));
memset(journal_msg, 0, sizeof(struct CtdlMessage));
journal_msg->cm_magic = CTDLMESSAGE_MAGIC;
journal_msg->cm_anon_type = MES_NORMAL;
journal_msg->cm_format_type = FMT_RFC822;
CM_SetField(journal_msg, eJournal, HKEY("is journal"));
CM_SetField(journal_msg, eAuthor, jmsg->from, strlen(jmsg->from));
CM_SetField(journal_msg, eNodeName, jmsg->node, strlen(jmsg->node));
CM_SetField(journal_msg, erFc822Addr, jmsg->rfca, strlen(jmsg->rfca));
CM_SetField(journal_msg, eMsgSubject, jmsg->subj, strlen(jmsg->subj));
mblen = snprintf(mime_boundary, sizeof(mime_boundary),
"--Citadel-Journal-%08lx-%04x--", time(NULL), ++seq);
rfc822len = strlen(jmsg->rfc822);
message_text = NewStrBufPlain(NULL, rfc822len + sizeof(recptypes) + 1024);
/*
* Here is where we begin to compose the journalized message.
* NOTE: the superfluous "Content-Identifer: ExJournalReport" header was
* requested by a paying customer, and yes, it is intentionally
* spelled wrong. Do NOT remove or change it.
*/
StrBufAppendBufPlain(
message_text,
HKEY("Content-type: multipart/mixed; boundary=\""), 0);
StrBufAppendBufPlain(message_text, mime_boundary, mblen, 0);
StrBufAppendBufPlain(
message_text,
HKEY("\"\r\n"
"Content-Identifer: ExJournalReport\r\n"
"MIME-Version: 1.0\r\n"
"\n"
"--"), 0);
StrBufAppendBufPlain(message_text, mime_boundary, mblen, 0);
StrBufAppendBufPlain(
message_text,
HKEY("\r\n"
"Content-type: text/plain\r\n"
"\r\n"
"Sender: "), 0);
if (CM_IsEmpty(journal_msg, eAuthor))
StrBufAppendBufPlain(
message_text,
journal_msg->cm_fields[eAuthor], -1, 0);
else
StrBufAppendBufPlain(
message_text,
HKEY("(null)"), 0);
if (!CM_IsEmpty(journal_msg, erFc822Addr)) {
StrBufAppendPrintf(message_text, " <%s>",
journal_msg->cm_fields[erFc822Addr]);
}
else if (!CM_IsEmpty(journal_msg, eNodeName)) {
StrBufAppendPrintf(message_text, " @ %s",
journal_msg->cm_fields[eNodeName]);
}
else
StrBufAppendBufPlain(
message_text,
HKEY(" "), 0);
StrBufAppendBufPlain(
message_text,
HKEY("\r\n"
"Message-ID: <"), 0);
StrBufAppendBufPlain(message_text, jmsg->msgn, -1, 0);
StrBufAppendBufPlain(
message_text,
HKEY(">\r\n"
"Recipients:\r\n"), 0);
if (jmsg->recps.num_local > 0) {
for (i=0; i<jmsg->recps.num_local; ++i) {
extract_token(recipient, jmsg->recps.recp_local,
i, '|', sizeof recipient);
local_to_inetemail(inetemail, recipient, sizeof inetemail);
StrBufAppendPrintf(message_text,
" %s <%s>\r\n", recipient, inetemail);
}
}
if (jmsg->recps.num_ignet > 0) {
for (i=0; i<jmsg->recps.num_ignet; ++i) {
extract_token(recipient, jmsg->recps.recp_ignet,
i, '|', sizeof recipient);
StrBufAppendPrintf(message_text,
" %s\r\n", recipient);
}
}
if (jmsg->recps.num_internet > 0) {
for (i=0; i<jmsg->recps.num_internet; ++i) {
extract_token(recipient, jmsg->recps.recp_internet,
i, '|', sizeof recipient);
StrBufAppendPrintf(message_text,
" %s\r\n", recipient);
}
}
StrBufAppendBufPlain(
message_text,
HKEY("\r\n"
"--"), 0);
StrBufAppendBufPlain(message_text, mime_boundary, mblen, 0);
StrBufAppendBufPlain(
message_text,
HKEY("\r\n"
"Content-type: message/rfc822\r\n"
"\r\n"), 0);
StrBufAppendBufPlain(message_text, jmsg->rfc822, rfc822len, 0);
StrBufAppendBufPlain(
message_text,
HKEY("--"), 0);
StrBufAppendBufPlain(message_text, mime_boundary, mblen, 0);
StrBufAppendBufPlain(
message_text,
HKEY("--\r\n"), 0);
CM_SetAsFieldSB(journal_msg, eMesageText, &message_text);
free(jmsg->rfc822);
free(jmsg->msgn);
jmsg->rfc822 = NULL;
jmsg->msgn = NULL;
/* Submit journal message */
CtdlSubmitMsg(journal_msg, journal_recps, "", 0);
CM_Free(journal_msg);
}
free_recipients(journal_recps);
}
/* We are responsible for freeing this memory. */
free(jmsg);
}
/*
* smtp_do_bounce() is caled by smtp_do_procmsg() to scan a set of delivery
* instructions for "5" codes (permanent fatal errors) and produce/deliver
* a "bounce" message (delivery status notification).
*/
void smtp_do_bounce(char *instr, StrBuf *OMsgTxt)
{
int i;
int lines;
int status;
char buf[1024];
char key[1024];
char addr[1024];
char dsn[1024];
char bounceto[1024];
StrBuf *boundary;
int num_bounces = 0;
int bounce_this = 0;
time_t submitted = 0L;
struct CtdlMessage *bmsg = NULL;
int give_up = 0;
recptypes *valid;
int successful_bounce = 0;
static int seq = 0;
StrBuf *BounceMB;
long omsgid = (-1);
syslog(LOG_DEBUG, "smtp_do_bounce() called\n");
strcpy(bounceto, "");
boundary = NewStrBufPlain(HKEY("=_Citadel_Multipart_"));
StrBufAppendPrintf(boundary, "%s_%04x%04x", CtdlGetConfigStr("c_fqdn"), getpid(), ++seq);
lines = num_tokens(instr, '\n');
/* See if it's time to give up on delivery of this message */
for (i=0; i<lines; ++i) {
extract_token(buf, instr, i, '\n', sizeof buf);
extract_token(key, buf, 0, '|', sizeof key);
extract_token(addr, buf, 1, '|', sizeof addr);
if (!strcasecmp(key, "submitted")) {
submitted = atol(addr);
}
}
if ( (time(NULL) - submitted) > SMTP_GIVE_UP ) {
give_up = 1;
}
/* Start building our bounce message */
bmsg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
if (bmsg == NULL) return;
memset(bmsg, 0, sizeof(struct CtdlMessage));
BounceMB = NewStrBufPlain(NULL, 1024);
bmsg->cm_magic = CTDLMESSAGE_MAGIC;
bmsg->cm_anon_type = MES_NORMAL;
bmsg->cm_format_type = FMT_RFC822;
CM_SetField(bmsg, eAuthor, HKEY("Citadel"));
CM_SetField(bmsg, eOriginalRoom, HKEY(MAILROOM));
CM_SetField(bmsg, eNodeName, CtdlGetConfigStr("c_nodename"), strlen(CtdlGetConfigStr("c_nodename")));
CM_SetField(bmsg, eMsgSubject, HKEY("Delivery Status Notification (Failure)"));
StrBufAppendBufPlain(BounceMB, HKEY("Content-type: multipart/mixed; boundary=\""), 0);
StrBufAppendBuf(BounceMB, boundary, 0);
StrBufAppendBufPlain(BounceMB, HKEY("\"\r\n"), 0);
StrBufAppendBufPlain(BounceMB, HKEY("MIME-Version: 1.0\r\n"), 0);
StrBufAppendBufPlain(BounceMB, HKEY("X-Mailer: " CITADEL "\r\n"), 0);
StrBufAppendBufPlain(
BounceMB,
HKEY("\r\nThis is a multipart message in MIME format."
"\r\n\r\n"), 0);
StrBufAppendBufPlain(BounceMB, HKEY("--"), 0);
StrBufAppendBuf(BounceMB, boundary, 0);
StrBufAppendBufPlain(BounceMB, HKEY("\r\n"), 0);
StrBufAppendBufPlain(BounceMB,
HKEY("Content-type: text/plain\r\n\r\n"), 0);
if (give_up)
{
StrBufAppendBufPlain(
BounceMB,
HKEY("A message you sent could not be delivered "
"to some or all of its recipients\ndue to "
"prolonged unavailability of its destination(s).\n"
"Giving up on the following addresses:\n\n"), 0);
}
else
{
StrBufAppendBufPlain(
BounceMB,
HKEY("A message you sent could not be delivered "
"to some or all of its recipients.\n"
"The following addresses were undeliverable:\n\n"
), 0);
}
/*
* Now go through the instructions checking for stuff.
*/
for (i=0; i<lines; ++i) {
long addrlen;
long dsnlen;
extract_token(buf, instr, i, '\n', sizeof buf);
extract_token(key, buf, 0, '|', sizeof key);
addrlen = extract_token(addr, buf, 1, '|', sizeof addr);
status = extract_int(buf, 2);
dsnlen = extract_token(dsn, buf, 3, '|', sizeof dsn);
bounce_this = 0;
syslog(LOG_DEBUG, "key=<%s> addr=<%s> status=%d dsn=<%s>\n",
key, addr, status, dsn);
if (!strcasecmp(key, "bounceto")) {
strcpy(bounceto, addr);
}
if (!strcasecmp(key, "msgid")) {
omsgid = atol(addr);
}
if (!strcasecmp(key, "remote")) {
if (status == 5) bounce_this = 1;
if (give_up) bounce_this = 1;
}
if (bounce_this) {
++num_bounces;
StrBufAppendBufPlain(BounceMB, addr, addrlen, 0);
StrBufAppendBufPlain(BounceMB, HKEY(": "), 0);
StrBufAppendBufPlain(BounceMB, dsn, dsnlen, 0);
StrBufAppendBufPlain(BounceMB, HKEY("\r\n"), 0);
remove_token(instr, i, '\n');
--i;
--lines;
}
}
/* Attach the original message */
if (omsgid >= 0) {
StrBufAppendBufPlain(BounceMB, HKEY("--"), 0);
StrBufAppendBuf(BounceMB, boundary, 0);
StrBufAppendBufPlain(BounceMB, HKEY("\r\n"), 0);
StrBufAppendBufPlain(
BounceMB,
HKEY("Content-type: message/rfc822\r\n"), 0);
StrBufAppendBufPlain(
BounceMB,
HKEY("Content-Transfer-Encoding: 7bit\r\n"), 0);
StrBufAppendBufPlain(
BounceMB,
HKEY("Content-Disposition: inline\r\n"), 0);
StrBufAppendBufPlain(BounceMB, HKEY("\r\n"), 0);
if (OMsgTxt == NULL) {
CC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
CtdlOutputMsg(omsgid,
MT_RFC822,
HEADERS_ALL,
0, 1, NULL, 0,
NULL, NULL, NULL);
StrBufAppendBuf(BounceMB, CC->redirect_buffer, 0);
FreeStrBuf(&CC->redirect_buffer);
}
else {
StrBufAppendBuf(BounceMB, OMsgTxt, 0);
}
}
/* Close the multipart MIME scope */
StrBufAppendBufPlain(BounceMB, HKEY("--"), 0);
StrBufAppendBuf(BounceMB, boundary, 0);
StrBufAppendBufPlain(BounceMB, HKEY("--\r\n"), 0);
CM_SetAsFieldSB(bmsg, eMesageText, &BounceMB);
/* Deliver the bounce if there's anything worth mentioning */
syslog(LOG_DEBUG, "num_bounces = %d\n", num_bounces);
if (num_bounces > 0) {
/* First try the user who sent the message */
if (IsEmptyStr(bounceto))
syslog(LOG_ERR, "No bounce address specified\n");
else
syslog(LOG_DEBUG, "bounce to user <%s>\n", bounceto);
/* Can we deliver the bounce to the original sender? */
valid = validate_recipients(bounceto,
smtp_get_Recipients (),
0);
if (valid != NULL) {
if (valid->num_error == 0) {
CtdlSubmitMsg(bmsg, valid, "", QP_EADDR);
successful_bounce = 1;
}
}
/* If not, post it in the Aide> room */
if (successful_bounce == 0) {
CtdlSubmitMsg(bmsg, NULL, CtdlGetConfigStr("c_aideroom"), QP_EADDR);
}
/* Free up the memory we used */
if (valid != NULL) {
free_recipients(valid);
}
}
FreeStrBuf(&boundary);
CM_Free(bmsg);
syslog(LOG_DEBUG, "Done processing bounces\n");
}
/*
* Before allowing a wiki page save to execute, we have to perform version control.
* This involves fetching the old version of the page if it exists.
*/
int wiki_upload_beforesave(struct CtdlMessage *msg, recptypes *recp) {
struct CitContext *CCC = CC;
long old_msgnum = (-1L);
struct CtdlMessage *old_msg = NULL;
long history_msgnum = (-1L);
struct CtdlMessage *history_msg = NULL;
char diff_old_filename[PATH_MAX];
char diff_new_filename[PATH_MAX];
char diff_out_filename[PATH_MAX];
char diff_cmd[PATH_MAX];
FILE *fp;
int rv;
char history_page[1024];
long history_page_len;
char boundary[256];
char prefixed_boundary[258];
char buf[1024];
char *diffbuf = NULL;
size_t diffbuf_len = 0;
char *ptr = NULL;
long newmsgid;
StrBuf *msgidbuf;
if (!CCC->logged_in) return(0); /* Only do this if logged in. */
/* Is this a room with a Wiki in it, don't run this hook. */
if ((CCC->room.QRdefaultview != VIEW_WIKI) &&
(CCC->room.QRdefaultview != VIEW_WIKIMD)) {
return(0);
}
/* If this isn't a MIME message, don't bother. */
if (msg->cm_format_type != 4) return(0);
/* If there's no EUID we can't do this. Reject the post. */
if (CM_IsEmpty(msg, eExclusiveID)) return(1);
newmsgid = get_new_message_number();
msgidbuf = NewStrBuf();
StrBufPrintf(msgidbuf, "%08lX-%08lX@%s/%s",
(long unsigned int) time(NULL),
(long unsigned int) newmsgid,
CtdlGetConfigStr("c_fqdn"),
msg->cm_fields[eExclusiveID]
);
CM_SetAsFieldSB(msg, emessageId, &msgidbuf);
history_page_len = snprintf(history_page, sizeof history_page,
"%s_HISTORY_", msg->cm_fields[eExclusiveID]);
/* Make sure we're saving a real wiki page rather than a wiki history page.
* This is important in order to avoid recursing infinitely into this hook.
*/
if ( (msg->cm_lengths[eExclusiveID] >= 9)
&& (!strcasecmp(&msg->cm_fields[eExclusiveID][msg->cm_lengths[eExclusiveID]-9], "_HISTORY_"))
) {
syslog(LOG_DEBUG, "History page not being historied\n");
return(0);
}
/* If there's no message text, obviously this is all b0rken and shouldn't happen at all */
if (CM_IsEmpty(msg, eMesageText)) return(0);
/* Set the message subject identical to the page name */
CM_CopyField(msg, eMsgSubject, eExclusiveID);
/* See if we can retrieve the previous version. */
old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields[eExclusiveID], &CCC->room);
if (old_msgnum > 0L) {
old_msg = CtdlFetchMessage(old_msgnum, 1, 1);
}
else {
old_msg = NULL;
}
if ((old_msg != NULL) && (CM_IsEmpty(old_msg, eMesageText))) { /* old version is corrupt? */
CM_Free(old_msg);
old_msg = NULL;
}
/* If no changes were made, don't bother saving it again */
if ((old_msg != NULL) && (!strcmp(msg->cm_fields[eMesageText], old_msg->cm_fields[eMesageText]))) {
CM_Free(old_msg);
return(1);
}
/*
* Generate diffs
*/
CtdlMakeTempFileName(diff_old_filename, sizeof diff_old_filename);
CtdlMakeTempFileName(diff_new_filename, sizeof diff_new_filename);
CtdlMakeTempFileName(diff_out_filename, sizeof diff_out_filename);
if (old_msg != NULL) {
fp = fopen(diff_old_filename, "w");
rv = fwrite(old_msg->cm_fields[eMesageText], old_msg->cm_lengths[eMesageText], 1, fp);
fclose(fp);
CM_Free(old_msg);
}
fp = fopen(diff_new_filename, "w");
rv = fwrite(msg->cm_fields[eMesageText], msg->cm_lengths[eMesageText], 1, fp);
fclose(fp);
snprintf(diff_cmd, sizeof diff_cmd,
DIFF " -u %s %s >%s",
diff_new_filename,
((old_msg != NULL) ? diff_old_filename : "/dev/null"),
diff_out_filename
);
syslog(LOG_DEBUG, "diff cmd: %s", diff_cmd);
rv = system(diff_cmd);
syslog(LOG_DEBUG, "diff cmd returned %d", rv);
diffbuf_len = 0;
diffbuf = NULL;
fp = fopen(diff_out_filename, "r");
if (fp == NULL) {
fp = fopen("/dev/null", "r");
}
if (fp != NULL) {
fseek(fp, 0L, SEEK_END);
diffbuf_len = ftell(fp);
fseek(fp, 0L, SEEK_SET);
diffbuf = malloc(diffbuf_len + 1);
fread(diffbuf, diffbuf_len, 1, fp);
diffbuf[diffbuf_len] = '\0';
fclose(fp);
}
syslog(LOG_DEBUG, "diff length is "SIZE_T_FMT" bytes", diffbuf_len);
unlink(diff_old_filename);
unlink(diff_new_filename);
unlink(diff_out_filename);
/* Determine whether this was a bogus (empty) edit */
if ((diffbuf_len = 0) && (diffbuf != NULL)) {
free(diffbuf);
diffbuf = NULL;
}
if (diffbuf == NULL) {
return(1); /* No changes at all? Abandon the post entirely! */
}
/* Now look for the existing edit history */
history_msgnum = CtdlLocateMessageByEuid(history_page, &CCC->room);
history_msg = NULL;
if (history_msgnum > 0L) {
history_msg = CtdlFetchMessage(history_msgnum, 1, 1);
}
/* Create a new history message if necessary */
if (history_msg == NULL) {
char *buf;
long len;
history_msg = malloc(sizeof(struct CtdlMessage));
memset(history_msg, 0, sizeof(struct CtdlMessage));
history_msg->cm_magic = CTDLMESSAGE_MAGIC;
history_msg->cm_anon_type = MES_NORMAL;
history_msg->cm_format_type = FMT_RFC822;
CM_SetField(history_msg, eAuthor, HKEY("Citadel"));
if (!IsEmptyStr(CCC->room.QRname)){
CM_SetField(history_msg, eRecipient, CCC->room.QRname, strlen(CCC->room.QRname));
}
CM_SetField(history_msg, eExclusiveID, history_page, history_page_len);
CM_SetField(history_msg, eMsgSubject, history_page, history_page_len);
CM_SetField(history_msg, eSuppressIdx, HKEY("1")); /* suppress full text indexing */
snprintf(boundary, sizeof boundary, "Citadel--Multipart--%04x--%08lx", getpid(), time(NULL));
buf = (char*) malloc(1024);
len = snprintf(buf, 1024,
"Content-type: multipart/mixed; boundary=\"%s\"\n\n"
"This is a Citadel wiki history encoded as multipart MIME.\n"
"Each part is comprised of a diff script representing one change set.\n"
"\n"
"--%s--\n",
boundary, boundary
);
CM_SetAsField(history_msg, eMesageText, &buf, len);
}
/* Update the history message (regardless of whether it's new or existing) */
/* Remove the Message-ID from the old version of the history message. This will cause a brand
* new one to be generated, avoiding an uninitentional hit of the loop zapper when we replicate.
*/
CM_FlushField(history_msg, emessageId);
/* Figure out the boundary string. We do this even when we generated the
* boundary string in the above code, just to be safe and consistent.
*/
*boundary = '\0';
ptr = history_msg->cm_fields[eMesageText];
do {
ptr = memreadline(ptr, buf, sizeof buf);
if (*ptr != 0) {
striplt(buf);
if (!IsEmptyStr(buf) && (!strncasecmp(buf, "Content-type:", 13))) {
if (
(bmstrcasestr(buf, "multipart") != NULL)
&& (bmstrcasestr(buf, "boundary=") != NULL)
) {
safestrncpy(boundary, bmstrcasestr(buf, "\""), sizeof boundary);
char *qu;
qu = strchr(boundary, '\"');
if (qu) {
strcpy(boundary, ++qu);
}
qu = strchr(boundary, '\"');
if (qu) {
*qu = 0;
}
}
}
}
} while ( (IsEmptyStr(boundary)) && (*ptr != 0) );
/*
* Now look for the first boundary. That is where we need to insert our fun.
*/
if (!IsEmptyStr(boundary)) {
char *MsgText;
long MsgTextLen;
time_t Now = time(NULL);
snprintf(prefixed_boundary, sizeof(prefixed_boundary), "--%s", boundary);
CM_GetAsField(history_msg, eMesageText, &MsgText, &MsgTextLen);
ptr = bmstrcasestr(MsgText, prefixed_boundary);
if (ptr != NULL) {
StrBuf *NewMsgText;
char uuid[64];
char memo[512];
long memolen;
char encoded_memo[1024];
NewMsgText = NewStrBufPlain(NULL, MsgTextLen + diffbuf_len + 1024);
generate_uuid(uuid);
memolen = snprintf(memo, sizeof(memo), "%s|%ld|%s|%s",
uuid,
Now,
CCC->user.fullname,
CtdlGetConfigStr("c_nodename"));
memolen = CtdlEncodeBase64(encoded_memo, memo, memolen, 0);
StrBufAppendBufPlain(NewMsgText, HKEY("--"), 0);
StrBufAppendBufPlain(NewMsgText, boundary, -1, 0);
StrBufAppendBufPlain(
NewMsgText,
HKEY("\n"
"Content-type: text/plain\n"
"Content-Disposition: inline; filename=\""), 0);
StrBufAppendBufPlain(NewMsgText, encoded_memo, memolen, 0);
StrBufAppendBufPlain(
NewMsgText,
HKEY("\"\n"
"Content-Transfer-Encoding: 8bit\n"
"\n"), 0);
StrBufAppendBufPlain(NewMsgText, diffbuf, diffbuf_len, 0);
StrBufAppendBufPlain(NewMsgText, HKEY("\n"), 0);
StrBufAppendBufPlain(NewMsgText, ptr, MsgTextLen - (ptr - MsgText), 0);
free(MsgText);
CM_SetAsFieldSB(history_msg, eMesageText, &NewMsgText);
}
else
{
CM_SetAsField(history_msg, eMesageText, &MsgText, MsgTextLen);
}
CM_SetFieldLONG(history_msg, eTimestamp, Now);
CtdlSubmitMsg(history_msg, NULL, "", 0);
}
else {
syslog(LOG_ALERT, "Empty boundary string in history message. No history!\n");
}
free(diffbuf);
CM_Free(history_msg);
return(0);
}
/*
* Fetch a specific revision of a wiki page. The "operation" string may be set to "fetch" in order
* to simply fetch the desired revision and store it in a temporary location for viewing, or "revert"
* to revert the currently active page to that revision.
*/
void wiki_rev(char *pagename, char *rev, char *operation)
{
struct CitContext *CCC = CC;
int r;
char history_page_name[270];
long msgnum;
char temp[PATH_MAX];
struct CtdlMessage *msg;
FILE *fp;
struct HistoryEraserCallBackData hecbd;
long len = 0L;
int rv;
r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
if (r != om_ok) {
if (r == om_not_logged_in) {
cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
}
else {
cprintf("%d An unknown error has occurred.\n", ERROR);
}
return;
}
if (!strcasecmp(operation, "revert")) {
r = CtdlDoIHavePermissionToPostInThisRoom(temp, sizeof temp, NULL, POST_LOGGED_IN, 0);
if (r != 0) {
cprintf("%d %s\n", r, temp);
return;
}
}
/* Begin by fetching the current version of the page. We're going to patch
* backwards through the diffs until we get the one we want.
*/
msgnum = CtdlLocateMessageByEuid(pagename, &CCC->room);
if (msgnum > 0L) {
msg = CtdlFetchMessage(msgnum, 1, 1);
}
else {
msg = NULL;
}
if ((msg != NULL) && CM_IsEmpty(msg, eMesageText)) {
CM_Free(msg);
msg = NULL;
}
if (msg == NULL) {
cprintf("%d Page '%s' was not found.\n", ERROR+MESSAGE_NOT_FOUND, pagename);
return;
}
/* Output it to a temporary file */
CtdlMakeTempFileName(temp, sizeof temp);
fp = fopen(temp, "w");
if (fp != NULL) {
r = fwrite(msg->cm_fields[eMesageText], msg->cm_lengths[eMesageText], 1, fp);
fclose(fp);
}
else {
syslog(LOG_ALERT, "Cannot open %s: %s\n", temp, strerror(errno));
}
CM_Free(msg);
/* Get the revision history */
snprintf(history_page_name, sizeof history_page_name, "%s_HISTORY_", pagename);
msgnum = CtdlLocateMessageByEuid(history_page_name, &CCC->room);
if (msgnum > 0L) {
msg = CtdlFetchMessage(msgnum, 1, 1);
}
else {
msg = NULL;
}
if ((msg != NULL) && CM_IsEmpty(msg, eMesageText)) {
CM_Free(msg);
msg = NULL;
}
if (msg == NULL) {
cprintf("%d Revision history for '%s' was not found.\n", ERROR+MESSAGE_NOT_FOUND, pagename);
return;
}
/* Start patching backwards (newest to oldest) through the revision history until we
* hit the revision uuid requested by the user. (The callback will perform each one.)
*/
memset(&hecbd, 0, sizeof(struct HistoryEraserCallBackData));
hecbd.tempfilename = temp;
hecbd.stop_when = rev;
striplt(hecbd.stop_when);
mime_parser(CM_RANGE(msg, eMesageText), *wiki_rev_callback, NULL, NULL, (void *)&hecbd, 0);
CM_Free(msg);
/* Were we successful? */
if (hecbd.done == 0) {
cprintf("%d Revision '%s' of page '%s' was not found.\n",
ERROR + MESSAGE_NOT_FOUND, rev, pagename
);
}
/* We have the desired revision on disk. Now do something with it. */
else if ( (!strcasecmp(operation, "fetch")) || (!strcasecmp(operation, "revert")) ) {
msg = malloc(sizeof(struct CtdlMessage));
memset(msg, 0, sizeof(struct CtdlMessage));
msg->cm_magic = CTDLMESSAGE_MAGIC;
msg->cm_anon_type = MES_NORMAL;
msg->cm_format_type = FMT_RFC822;
fp = fopen(temp, "r");
if (fp) {
char *msgbuf;
fseek(fp, 0L, SEEK_END);
len = ftell(fp);
fseek(fp, 0L, SEEK_SET);
msgbuf = malloc(len + 1);
rv = fread(msgbuf, len, 1, fp);
syslog(LOG_DEBUG, "did %d blocks of %ld bytes\n", rv, len);
msgbuf[len] = '\0';
CM_SetAsField(msg, eMesageText, &msgbuf, len);
fclose(fp);
}
if (len <= 0) {
msgnum = (-1L);
}
else if (!strcasecmp(operation, "fetch")) {
CM_SetField(msg, eAuthor, HKEY("Citadel"));
CtdlCreateRoom(wwm, 5, "", 0, 1, 1, VIEW_BBS); /* Not an error if already exists */
msgnum = CtdlSubmitMsg(msg, NULL, wwm, 0); /* Store the revision here */
/*
* WARNING: VILE SLEAZY HACK
* This will avoid the 'message xxx is not in this room' security error,
* but only if the client fetches the message we just generated immediately
* without first trying to perform other fetch operations.
*/
if (CCC->cached_msglist != NULL) {
free(CCC->cached_msglist);
CCC->cached_msglist = NULL;
CCC->cached_num_msgs = 0;
}
CCC->cached_msglist = malloc(sizeof(long));
if (CCC->cached_msglist != NULL) {
CCC->cached_num_msgs = 1;
CCC->cached_msglist[0] = msgnum;
}
}
else if (!strcasecmp(operation, "revert")) {
CM_SetFieldLONG(msg, eTimestamp, time(NULL));
if (!IsEmptyStr(CCC->user.fullname)) {
CM_SetField(msg, eAuthor, CCC->user.fullname, strlen(CCC->user.fullname));
}
if (!IsEmptyStr(CCC->cs_inet_email)) {
CM_SetField(msg, erFc822Addr, CCC->cs_inet_email, strlen(CCC->cs_inet_email));
}
if (!IsEmptyStr(CCC->room.QRname)) {
CM_SetField(msg, eOriginalRoom, CCC->room.QRname, strlen(CCC->room.QRname));
}
CM_SetField(msg, eNodeName, CtdlGetConfigStr("c_nodename"), strlen(CtdlGetConfigStr("c_nodename")));
if (!IsEmptyStr(pagename)) {
CM_SetField(msg, eExclusiveID, pagename, strlen(pagename));
}
msgnum = CtdlSubmitMsg(msg, NULL, "", 0); /* Replace the current revision */
}
else {
/* Theoretically it is impossible to get here, but throw an error anyway */
msgnum = (-1L);
}
CM_Free(msg);
if (msgnum >= 0L) {
cprintf("%d %ld\n", CIT_OK, msgnum); /* Give the client a msgnum */
}
else {
cprintf("%d Error %ld has occurred.\n", ERROR+INTERNAL_ERROR, msgnum);
}
}
/* We did all this work for nothing. Express anguish to the caller. */
else {
cprintf("%d An unknown operation was requested.\n", ERROR+CMD_NOT_SUPPORTED);
}
unlink(temp);
return;
}
void network_process_ignetpush(SpoolControl *sc, struct CtdlMessage *omsg, long *delete_after_send)
{
StrBuf *Recipient;
StrBuf *RemoteRoom;
const char *Pos = NULL;
struct CtdlMessage *msg = NULL;
struct CitContext *CCC = CC;
struct ser_ret sermsg;
char buf[SIZ];
char filename[PATH_MAX];
FILE *fp;
StrBuf *Buf = NULL;
int i;
int bang = 0;
int send = 1;
if (sc->Users[ignet_push_share] == NULL)
return;
/*
* Process IGnet push shares
*/
msg = CM_Duplicate(omsg);
/* Prepend our node name to the Path field whenever
* sending a message to another IGnet node
*/
Netmap_AddMe(msg, HKEY("username"));
/*
* Determine if this message is set to be deleted
* after sending out on the network
*/
if (!CM_IsEmpty(msg, eSpecialField)) {
if (!strcasecmp(msg->cm_fields[eSpecialField], "CANCEL")) {
*delete_after_send = 1;
}
}
/* Now send it to every node */
Recipient = NewStrBufPlain(NULL, StrLength(sc->Users[ignet_push_share]));
RemoteRoom = NewStrBufPlain(NULL, StrLength(sc->Users[ignet_push_share]));
while ((Pos != StrBufNOTNULL) &&
StrBufExtract_NextToken(Recipient, sc->Users[ignet_push_share], &Pos, ','))
{
StrBufExtract_NextToken(RemoteRoom, sc->Users[ignet_push_share], &Pos, ',');
send = 1;
NewStrBufDupAppendFlush(&Buf, Recipient, NULL, 1);
/* Check for valid node name */
if (CtdlIsValidNode(NULL,
NULL,
Buf,
sc->working_ignetcfg,
sc->the_netmap) != 0)
{
QN_syslog(LOG_ERR,
"Invalid node <%s>\n",
ChrPtr(Recipient));
send = 0;
}
/* Check for split horizon */
QN_syslog(LOG_DEBUG, "Path is %s\n", msg->cm_fields[eMessagePath]);
bang = num_tokens(msg->cm_fields[eMessagePath], '!');
if (bang > 1) {
for (i=0; i<(bang-1); ++i) {
extract_token(buf,
msg->cm_fields[eMessagePath],
i, '!',
sizeof buf);
QN_syslog(LOG_DEBUG, "Compare <%s> to <%s>\n",
buf, ChrPtr(Recipient)) ;
if (!strcasecmp(buf, ChrPtr(Recipient))) {
send = 0;
break;
}
}
QN_syslog(LOG_INFO,
" %sSending to %s\n",
(send)?"":"Not ",
ChrPtr(Recipient));
}
/* Send the message */
if (send == 1)
{
/*
* Force the message to appear in the correct
* room on the far end by setting the C field
* correctly
*/
if (StrLength(RemoteRoom) > 0) {
CM_SetField(msg, eRemoteRoom, SKEY(RemoteRoom));
}
else {
CM_SetField(msg, eRemoteRoom, CCC->room.QRname, strlen(CCC->room.QRname));
}
/* serialize it for transmission */
CtdlSerializeMessage(&sermsg, msg);
if (sermsg.len > 0) {
/* write it to a spool file */
snprintf(filename,
sizeof(filename),
"%s/%s@%lx%x",
ctdl_netout_dir,
ChrPtr(Recipient),
time(NULL),
rand()
);
QN_syslog(LOG_DEBUG,
"Appending to %s\n",
filename);
fp = fopen(filename, "ab");
if (fp != NULL) {
fwrite(sermsg.ser,
sermsg.len, 1, fp);
fclose(fp);
}
else {
QN_syslog(LOG_ERR,
"%s: %s\n",
filename,
strerror(errno));
}
/* free the serialized version */
free(sermsg.ser);
}
}
}
FreeStrBuf(&Buf);
FreeStrBuf(&Recipient);
FreeStrBuf(&RemoteRoom);
CM_Free(msg);
}
/******************************************************************************
* So, we're finished with sending (regardless of success or failure) *
* This Message might be referenced by several Queue-Items, if we're the last,*
* we need to free the memory and send bounce messages (on terminal failure) *
* else we just free our SMTP-Message struct. *
******************************************************************************/
eNextState FinalizeMessageSend_DB(AsyncIO *IO)
{
const char *Status;
SmtpOutMsg *Msg = IO->Data;
StrBuf *StatusMessage;
if (Msg->MyQEntry->AllStatusMessages != NULL)
StatusMessage = Msg->MyQEntry->AllStatusMessages;
else
StatusMessage = Msg->MyQEntry->StatusMessage;
if (Msg->MyQEntry->Status == 2) {
SetSMTPState(IO, eSTMPfinished);
Status = "Delivery successful.";
}
else if (Msg->MyQEntry->Status == 5) {
SetSMTPState(IO, eSMTPFailTotal);
Status = "Delivery failed permanently; giving up.";
}
else {
SetSMTPState(IO, eSMTPFailTemporary);
Status = "Delivery failed temporarily; will retry later.";
}
EVS_syslog(LOG_INFO,
"%s Time[%fs] Recipient <%s> @ <%s> (%s) Status message: %s\n",
Status,
Msg->IO.Now - Msg->IO.StartIO,
Msg->user,
Msg->node,
Msg->name,
ChrPtr(StatusMessage));
Msg->IDestructQueItem = DecreaseQReference(Msg->MyQItem);
Msg->nRemain = CountActiveQueueEntries(Msg->MyQItem, 0);
if (Msg->MyQEntry->Active &&
!Msg->MyQEntry->StillActive &&
CheckQEntryIsBounce(Msg->MyQEntry))
{
/* are we casue for a bounce mail? */
Msg->MyQItem->SendBounceMail |= (1<<Msg->MyQEntry->Status);
}
if ((Msg->nRemain > 0) || Msg->IDestructQueItem)
Msg->QMsgData = SerializeQueueItem(Msg->MyQItem);
else
Msg->QMsgData = NULL;
/*
* Uncompleted delivery instructions remain, so delete the old
* instructions and replace with the updated ones.
*/
EVS_syslog(LOG_DEBUG, "%ld", Msg->MyQItem->QueMsgID);
CtdlDeleteMessages(SMTP_SPOOLOUT_ROOM, &Msg->MyQItem->QueMsgID, 1, "");
Msg->MyQItem->QueMsgID = -1;
if (Msg->IDestructQueItem)
smtpq_do_bounce(Msg->MyQItem, Msg->msgtext, Msg->pCurrRelay);
if (Msg->nRemain > 0)
{
struct CtdlMessage *msg;
msg = malloc(sizeof(struct CtdlMessage));
memset(msg, 0, sizeof(struct CtdlMessage));
msg->cm_magic = CTDLMESSAGE_MAGIC;
msg->cm_anon_type = MES_NORMAL;
msg->cm_format_type = FMT_RFC822;
CM_SetAsFieldSB(msg, eMesageText, &Msg->QMsgData);
CM_SetField(msg, eMsgSubject, HKEY("QMSG"));
Msg->MyQItem->QueMsgID =
CtdlSubmitMsg(msg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
EVS_syslog(LOG_DEBUG, "%ld", Msg->MyQItem->QueMsgID);
CM_Free(msg);
}
else {
CtdlDeleteMessages(SMTP_SPOOLOUT_ROOM,
&Msg->MyQItem->MessageID,
1,
"");
FreeStrBuf(&Msg->QMsgData);
}
RemoveContext(Msg->IO.CitContext);
return eAbort;
}
/*
* Before-save hook searches for two different types of notes (legacy Kolab/Aethera notes
* and modern vNote format notes) and does its best to learn the subject (summary)
* and EUID (uid) of the note for Citadel's own nefarious purposes.
*/
int serv_notes_beforesave(struct CtdlMessage *msg, recptypes *recp)
{
char *p;
int a, i;
char uuid[512];
struct vnote *v = NULL;
/* First determine if this room has the "notes" view set */
if (CC->room.QRdefaultview != VIEW_NOTES) {
return(0); /* not notes; do nothing */
}
/* It must be an RFC822 message! */
if (msg->cm_format_type != 4) {
return(0); /* You tried to save a non-RFC822 message! */
}
/*
* If we are in a "notes" view room, and the client has sent an RFC822
* message containing an X-KOrg-Note-Id: field (Aethera does this, as
* do some Kolab clients) then set both the Subject and the Exclusive ID
* of the message to that. It's going to be a UUID so we want to replace
* any existing message containing that UUID.
*/
strcpy(uuid, "");
p = msg->cm_fields[eMesageText];
a = msg->cm_lengths[eMesageText];
while (--a > 0) {
if (!strncasecmp(p, "X-KOrg-Note-Id: ", 16)) { /* Found it */
safestrncpy(uuid, p + 16, sizeof(uuid));
for (i = 0; uuid[i]; ++i) {
if ( (uuid[i] == '\r') || (uuid[i] == '\n') ) {
uuid[i] = 0;
break;
}
}
syslog(LOG_DEBUG, "UUID of note is: %s\n", uuid);
if (!IsEmptyStr(uuid)) {
CM_SetField(msg, eExclusiveID, uuid, strlen(uuid));
CM_CopyField(msg, eMsgSubject, eExclusiveID);
}
}
p++;
}
/* Modern clients are using vNote format. Check for one... */
mime_parser(CM_RANGE(msg, eMesageText),
*notes_extract_vnote,
NULL, NULL,
&v, /* user data ptr - put the vnote here */
0
);
if (v == NULL) return(0); /* no vNotes were found in this message */
/* Set the message EUID to the vNote UID */
if ((v->uid) && (!IsEmptyStr(v->uid))) {
syslog(LOG_DEBUG, "UID of vNote is: %s\n", v->uid);
CM_SetField(msg, eExclusiveID, v->uid, strlen(v->uid));
}
/* Set the message Subject to the vNote Summary */
if ((v->summary) && (!IsEmptyStr(v->summary))) {
CM_SetField(msg, eMsgSubject, v->summary, strlen(v->summary));
if (msg->cm_lengths[eMsgSubject] > 72) {
strcpy(&msg->cm_fields[eMsgSubject][68], "...");
CM_CutFieldAt(msg, eMsgSubject, 72);
}
}
vnote_free(v);
return(0);
}
/*
* This is the back end for flush_conversations_to_disk()
* At this point we've isolated a single conversation (struct imlog)
* and are ready to write it to disk.
*/
void flush_individual_conversation(struct imlog *im) {
struct CtdlMessage *msg;
long msgnum = 0;
char roomname[ROOMNAMELEN];
StrBuf *MsgBuf, *FullMsgBuf;
StrBufAppendBufPlain(im->conversation, HKEY(
"</body>\r\n"
"</html>\r\n"
), 0
);
MsgBuf = StrBufRFC2047encodeMessage(im->conversation);
FlushStrBuf(im->conversation);
FullMsgBuf = NewStrBufPlain(NULL, StrLength(im->conversation) + 100);
StrBufAppendBufPlain(FullMsgBuf, HKEY(
"Content-type: text/html; charset=UTF-8\r\n"
"Content-Transfer-Encoding: quoted-printable\r\n"
"\r\n"
), 0);
StrBufAppendBuf (FullMsgBuf, MsgBuf, 0);
FreeStrBuf(&MsgBuf);
msg = malloc(sizeof(struct CtdlMessage));
memset(msg, 0, sizeof(struct CtdlMessage));
msg->cm_magic = CTDLMESSAGE_MAGIC;
msg->cm_anon_type = MES_NORMAL;
msg->cm_format_type = FMT_RFC822;
if (!IsEmptyStr(im->usernames[0])) {
CM_SetField(msg, eAuthor, im->usernames[0], strlen(im->usernames[0]));
} else {
CM_SetField(msg, eAuthor, HKEY("Citadel"));
}
if (!IsEmptyStr(im->usernames[1])) {
CM_SetField(msg, eRecipient, im->usernames[1], strlen(im->usernames[1]));
}
CM_SetField(msg, eOriginalRoom, HKEY(PAGELOGROOM));
CM_SetField(msg, eNodeName, CFG_KEY(c_nodename));
CM_SetAsFieldSB(msg, eMesageText, &FullMsgBuf); /* we own this memory now */
/* Start with usernums[1] because it's guaranteed to be higher than usernums[0],
* so if there's only one party, usernums[0] will be zero but usernums[1] won't.
* Create the room if necessary. Note that we create as a type 5 room rather
* than 4, which indicates that it's a personal room but we've already supplied
* the namespace prefix.
*
* In the unlikely event that usernums[1] is zero, a room with an invalid namespace
* prefix will be created. That's ok because the auto-purger will clean it up later.
*/
snprintf(roomname, sizeof roomname, "%010ld.%s", im->usernums[1], PAGELOGROOM);
CtdlCreateRoom(roomname, 5, "", 0, 1, 1, VIEW_BBS);
msgnum = CtdlSubmitMsg(msg, NULL, roomname, 0);
CM_Free(msg);
/* If there is a valid user number in usernums[0], save a copy for them too. */
if (im->usernums[0] > 0) {
snprintf(roomname, sizeof roomname, "%010ld.%s", im->usernums[0], PAGELOGROOM);
CtdlCreateRoom(roomname, 5, "", 0, 1, 1, VIEW_BBS);
CtdlSaveMsgPointerInRoom(roomname, msgnum, 0, NULL);
}
/* Finally, if we're logging instant messages globally, do that now. */
if (!IsEmptyStr(config.c_logpages)) {
CtdlCreateRoom(config.c_logpages, 3, "", 0, 1, 1, VIEW_BBS);
CtdlSaveMsgPointerInRoom(config.c_logpages, msgnum, 0, NULL);
}
}
/*
* smtp_do_bounce() is caled by smtp_do_procmsg() to scan a set of delivery
* instructions for "5" codes (permanent fatal errors) and produce/deliver
* a "bounce" message (delivery status notification).
*/
void smtpq_do_bounce(OneQueItem *MyQItem, StrBuf *OMsgTxt, ParsedURL *Relay)
{
static int seq = 0;
struct CtdlMessage *bmsg = NULL;
StrBuf *boundary;
StrBuf *Msg = NULL;
StrBuf *BounceMB;
recptypes *valid;
time_t now;
HashPos *It;
void *vQE;
long len;
const char *Key;
int first_attempt = 0;
int successful_bounce = 0;
int num_bounces = 0;
int give_up = 0;
SMTPCM_syslog(LOG_DEBUG, "smtp_do_bounce() called\n");
if (MyQItem->SendBounceMail == 0)
return;
now = time (NULL); //ev_time();
if ( (now - MyQItem->Submitted) > SMTP_GIVE_UP ) {
give_up = 1;
}
if (MyQItem->Retry == SMTP_RETRY_INTERVAL) {
first_attempt = 1;
}
/*
* Now go through the instructions checking for stuff.
*/
Msg = NewStrBufPlain(NULL, 1024);
It = GetNewHashPos(MyQItem->MailQEntries, 0);
while (GetNextHashPos(MyQItem->MailQEntries, It, &len, &Key, &vQE))
{
MailQEntry *ThisItem = vQE;
if ((ThisItem->Active && (ThisItem->Status == 5)) || /* failed now? */
((give_up == 1) && (ThisItem->Status != 2)) ||
((first_attempt == 1) && (ThisItem->Status != 2)))
/* giving up after failed attempts... */
{
++num_bounces;
StrBufAppendBufPlain(Msg, HKEY(" "), 0);
StrBufAppendBuf(Msg, ThisItem->Recipient, 0);
StrBufAppendBufPlain(Msg, HKEY(": "), 0);
if (ThisItem->AllStatusMessages != NULL)
StrBufAppendBuf(Msg, ThisItem->AllStatusMessages, 0);
else
StrBufAppendBuf(Msg, ThisItem->StatusMessage, 0);
StrBufAppendBufPlain(Msg, HKEY("\r\n"), 0);
}
}
DeleteHashPos(&It);
/* Deliver the bounce if there's anything worth mentioning */
SMTPC_syslog(LOG_DEBUG, "num_bounces = %d\n", num_bounces);
if (num_bounces == 0) {
FreeStrBuf(&Msg);
return;
}
if ((StrLength(MyQItem->SenderRoom) == 0) && MyQItem->HaveRelay) {
const char *RelayUrlStr = "[not found]";
/* one message that relaying is broken is enough; no extra room error message. */
StrBuf *RelayDetails = NewStrBuf();
if (Relay != NULL)
RelayUrlStr = ChrPtr(Relay->URL);
StrBufPrintf(RelayDetails,
"Relaying via %s failed permanently. \n Reason:\n%s\n Revalidate your relay configuration.",
RelayUrlStr,
ChrPtr(Msg));
CtdlAideMessage(ChrPtr(RelayDetails), "Relaying Failed");
FreeStrBuf(&RelayDetails);
}
boundary = NewStrBufPlain(HKEY("=_Citadel_Multipart_"));
StrBufAppendPrintf(boundary,
"%s_%04x%04x",
CtdlGetConfigStr("c_fqdn"),
getpid(),
++seq);
/* Start building our bounce message; go shopping for memory first. */
BounceMB = NewStrBufPlain(
NULL,
1024 + /* mime stuff.... */
StrLength(Msg) + /* the bounce information... */
StrLength(OMsgTxt)); /* the original message */
if (BounceMB == NULL) {
FreeStrBuf(&boundary);
SMTPCM_syslog(LOG_ERR, "Failed to alloc() bounce message.\n");
return;
}
bmsg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
if (bmsg == NULL) {
FreeStrBuf(&boundary);
FreeStrBuf(&BounceMB);
SMTPCM_syslog(LOG_ERR, "Failed to alloc() bounce message.\n");
return;
}
memset(bmsg, 0, sizeof(struct CtdlMessage));
StrBufAppendBufPlain(BounceMB, HKEY("Content-type: multipart/mixed; boundary=\""), 0);
StrBufAppendBuf(BounceMB, boundary, 0);
StrBufAppendBufPlain(BounceMB, HKEY("\"\r\n"), 0);
StrBufAppendBufPlain(BounceMB, HKEY("MIME-Version: 1.0\r\n"), 0);
StrBufAppendBufPlain(BounceMB, HKEY("X-Mailer: " CITADEL "\r\n"), 0);
StrBufAppendBufPlain(BounceMB, HKEY("\r\nThis is a multipart message in MIME format.\r\n\r\n"), 0);
StrBufAppendBufPlain(BounceMB, HKEY("--"), 0);
StrBufAppendBuf(BounceMB, boundary, 0);
StrBufAppendBufPlain(BounceMB, HKEY("\r\n"), 0);
StrBufAppendBufPlain(BounceMB, HKEY("Content-type: text/plain\r\n\r\n"), 0);
if (give_up)
StrBufAppendBufPlain(
BounceMB,
HKEY(
"A message you sent could not be delivered "
"to some or all of its recipients\n"
"due to prolonged unavailability "
"of its destination(s).\n"
"Giving up on the following addresses:\n\n"
), 0);
else
StrBufAppendBufPlain(
BounceMB,
HKEY(
"A message you sent could not be delivered "
"to some or all of its recipients.\n"
"The following addresses "
"were undeliverable:\n\n"
), 0);
StrBufAppendBuf(BounceMB, Msg, 0);
FreeStrBuf(&Msg);
if (StrLength(MyQItem->SenderRoom) > 0)
{
StrBufAppendBufPlain(
BounceMB,
HKEY("The message was originaly posted in: "), 0);
StrBufAppendBuf(BounceMB, MyQItem->SenderRoom, 0);
StrBufAppendBufPlain(
BounceMB,
HKEY("\n"), 0);
}
/* Attach the original message */
StrBufAppendBufPlain(BounceMB, HKEY("\r\n--"), 0);
StrBufAppendBuf(BounceMB, boundary, 0);
StrBufAppendBufPlain(BounceMB, HKEY("\r\n"), 0);
StrBufAppendBufPlain(BounceMB,
HKEY("Content-type: message/rfc822\r\n"), 0);
StrBufAppendBufPlain(BounceMB,
HKEY("Content-Transfer-Encoding: 7bit\r\n"), 0);
StrBufAppendBufPlain(BounceMB,
HKEY("Content-Disposition: inline\r\n"), 0);
StrBufAppendBufPlain(BounceMB, HKEY("\r\n"), 0);
StrBufAppendBuf(BounceMB, OMsgTxt, 0);
/* Close the multipart MIME scope */
StrBufAppendBufPlain(BounceMB, HKEY("--"), 0);
StrBufAppendBuf(BounceMB, boundary, 0);
StrBufAppendBufPlain(BounceMB, HKEY("--\r\n"), 0);
bmsg->cm_magic = CTDLMESSAGE_MAGIC;
bmsg->cm_anon_type = MES_NORMAL;
bmsg->cm_format_type = FMT_RFC822;
CM_SetField(bmsg, eOriginalRoom, HKEY(MAILROOM));
CM_SetField(bmsg, eAuthor, HKEY("Citadel"));
CM_SetField(bmsg, eNodeName, CtdlGetConfigStr("c_nodename"), strlen(CtdlGetConfigStr("c_nodename")));
CM_SetField(bmsg, eMsgSubject, HKEY("Delivery Status Notification (Failure)"));
CM_SetAsFieldSB(bmsg, eMesageText, &BounceMB);
/* First try the user who sent the message */
if (StrLength(MyQItem->BounceTo) == 0) {
SMTPCM_syslog(LOG_ERR, "No bounce address specified\n");
}
else {
SMTPC_syslog(LOG_DEBUG, "bounce to user? <%s>\n",
ChrPtr(MyQItem->BounceTo));
}
/* Can we deliver the bounce to the original sender? */
valid = validate_recipients(ChrPtr(MyQItem->BounceTo), NULL, 0);
if ((valid != NULL) && (valid->num_error == 0)) {
CtdlSubmitMsg(bmsg, valid, "", QP_EADDR);
successful_bounce = 1;
}
/* If not, post it in the Aide> room */
if (successful_bounce == 0) {
CtdlSubmitMsg(bmsg, NULL, CtdlGetConfigStr("c_aideroom"), QP_EADDR);
}
/* Free up the memory we used */
free_recipients(valid);
FreeStrBuf(&boundary);
CM_Free(bmsg);
SMTPCM_syslog(LOG_DEBUG, "Done processing bounces\n");
}
int smtp_aftersave(struct CtdlMessage *msg,
recptypes *recps)
{
/* For internet mail, generate delivery instructions.
* Yes, this is recursive. Deal with it. Infinite recursion does
* not happen because the delivery instructions message does not
* contain a recipient.
*/
if ((recps != NULL) && (recps->num_internet > 0)) {
struct CtdlMessage *imsg = NULL;
char recipient[SIZ];
CitContext *CCC = MyContext();
StrBuf *SpoolMsg = NewStrBuf();
long nTokens;
int i;
MSGM_syslog(LOG_DEBUG, "Generating delivery instructions\n");
StrBufPrintf(SpoolMsg,
"Content-type: "SPOOLMIME"\n"
"\n"
"msgid|%s\n"
"submitted|%ld\n"
"bounceto|%s\n",
msg->cm_fields[eVltMsgNum],
(long)time(NULL),
recps->bounce_to);
if (recps->envelope_from != NULL) {
StrBufAppendBufPlain(SpoolMsg, HKEY("envelope_from|"), 0);
StrBufAppendBufPlain(SpoolMsg, recps->envelope_from, -1, 0);
StrBufAppendBufPlain(SpoolMsg, HKEY("\n"), 0);
}
if (recps->sending_room != NULL) {
StrBufAppendBufPlain(SpoolMsg, HKEY("source_room|"), 0);
StrBufAppendBufPlain(SpoolMsg, recps->sending_room, -1, 0);
StrBufAppendBufPlain(SpoolMsg, HKEY("\n"), 0);
}
nTokens = num_tokens(recps->recp_internet, '|');
for (i = 0; i < nTokens; i++) {
long len;
len = extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
if (len > 0) {
StrBufAppendBufPlain(SpoolMsg, HKEY("remote|"), 0);
StrBufAppendBufPlain(SpoolMsg, recipient, len, 0);
StrBufAppendBufPlain(SpoolMsg, HKEY("|0||\n"), 0);
}
}
imsg = malloc(sizeof(struct CtdlMessage));
memset(imsg, 0, sizeof(struct CtdlMessage));
imsg->cm_magic = CTDLMESSAGE_MAGIC;
imsg->cm_anon_type = MES_NORMAL;
imsg->cm_format_type = FMT_RFC822;
CM_SetField(imsg, eMsgSubject, HKEY("QMSG"));
CM_SetField(imsg, eAuthor, HKEY("Citadel"));
CM_SetField(imsg, eJournal, HKEY("do not journal"));
CM_SetAsFieldSB(imsg, eMesageText, &SpoolMsg);
CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
CM_Free(imsg);
}
return 0;
}
/*
* convert_field() is a helper function for convert_internet_message().
* Given start/end positions for an rfc822 field, it converts it to a Citadel
* field if it wants to, and unfolds it if necessary.
*
* Returns 1 if the field was converted and inserted into the Citadel message
* structure, implying that the source field should be removed from the
* message text.
*/
int convert_field(struct CtdlMessage *msg, const char *beg, const char *end) {
char *key, *value, *valueend;
long len;
const char *pos;
int i;
const char *colonpos = NULL;
int processed = 0;
char user[1024];
char node[1024];
char name[1024];
char addr[1024];
time_t parsed_date;
long valuelen;
for (pos = end; pos >= beg; pos--) {
if (*pos == ':') colonpos = pos;
}
if (colonpos == NULL) return(0); /* no colon? not a valid header line */
len = end - beg;
key = malloc(len + 2);
memcpy(key, beg, len + 1);
key[len] = '\0';
valueend = key + len;
* ( key + (colonpos - beg) ) = '\0';
value = &key[(colonpos - beg) + 1];
/* printf("Header: [%s]\nValue: [%s]\n", key, value); */
unfold_rfc822_field(&value, &valueend);
valuelen = valueend - value + 1;
/* printf("UnfoldedValue: [%s]\n", value); */
/*
* Here's the big rfc822-to-citadel loop.
*/
/* Date/time is converted into a unix timestamp. If the conversion
* fails, we replace it with the time the message arrived locally.
*/
if (!strcasecmp(key, "Date")) {
parsed_date = parsedate(value);
if (parsed_date < 0L) parsed_date = time(NULL);
if (CM_IsEmpty(msg, eTimestamp))
CM_SetFieldLONG(msg, eTimestamp, parsed_date);
processed = 1;
}
else if (!strcasecmp(key, "From")) {
process_rfc822_addr(value, user, node, name);
syslog(LOG_DEBUG, "Converted to <%s@%s> (%s)\n", user, node, name);
snprintf(addr, sizeof(addr), "%s@%s", user, node);
if (CM_IsEmpty(msg, eAuthor) && !IsEmptyStr(name))
CM_SetField(msg, eAuthor, name, strlen(name));
if (CM_IsEmpty(msg, erFc822Addr) && !IsEmptyStr(addr))
CM_SetField(msg, erFc822Addr, addr, strlen(addr));
processed = 1;
}
else if (!strcasecmp(key, "Subject")) {
if (CM_IsEmpty(msg, eMsgSubject))
CM_SetField(msg, eMsgSubject, value, valuelen);
processed = 1;
}
else if (!strcasecmp(key, "List-ID")) {
if (CM_IsEmpty(msg, eListID))
CM_SetField(msg, eListID, value, valuelen);
processed = 1;
}
else if (!strcasecmp(key, "To")) {
if (CM_IsEmpty(msg, eRecipient))
CM_SetField(msg, eRecipient, value, valuelen);
processed = 1;
}
else if (!strcasecmp(key, "CC")) {
if (CM_IsEmpty(msg, eCarbonCopY))
CM_SetField(msg, eCarbonCopY, value, valuelen);
processed = 1;
}
else if (!strcasecmp(key, "Message-ID")) {
if (!CM_IsEmpty(msg, emessageId)) {
syslog(LOG_WARNING, "duplicate message id\n");
}
else {
char *pValue;
long pValueLen;
pValue = value;
pValueLen = valuelen;
/* Strip angle brackets */
while (haschar(pValue, '<') > 0) {
pValue ++;
pValueLen --;
}
for (i = 0; i <= pValueLen; ++i)
if (pValue[i] == '>') {
pValueLen = i;
break;
}
CM_SetField(msg, emessageId, pValue, pValueLen);
}
processed = 1;
}
else if (!strcasecmp(key, "Return-Path")) {
if (CM_IsEmpty(msg, eMessagePath))
CM_SetField(msg, eMessagePath, value, valuelen);
processed = 1;
}
else if (!strcasecmp(key, "Envelope-To")) {
if (CM_IsEmpty(msg, eenVelopeTo))
CM_SetField(msg, eenVelopeTo, value, valuelen);
processed = 1;
}
else if (!strcasecmp(key, "References")) {
CM_SetField(msg, eWeferences, value, valuelen);
processed = 1;
}
else if (!strcasecmp(key, "Reply-To")) {
CM_SetField(msg, eReplyTo, value, valuelen);
processed = 1;
}
else if (!strcasecmp(key, "In-reply-to")) {
if (CM_IsEmpty(msg, eWeferences)) /* References: supersedes In-reply-to: */
CM_SetField(msg, eWeferences, value, valuelen);
processed = 1;
}
/* Clean up and move on. */
free(key); /* Don't free 'value', it's actually the same buffer */
return processed;
}
