* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) Tom Kistner <tom@duncanthrax.net> 2003 - 2015 */
-/* License: GPL */
+/* Copyright (c) Tom Kistner <tom@duncanthrax.net> 2003 - 2015
+ * License: GPL
+ * Copyright (c) The Exim Maintainers 2016
+ */
/* Code for calling spamassassin's spamd. Called from acl.c. */
unsigned pri;
static BOOL srandomed = FALSE;
-/* seedup, if we have only 1 server */
+/* speedup, if we have only 1 server */
if (num_servers == 1)
return (spamds[0]->is_failed ? -1 : 0);
}
}
-if (spamd_sock == -1)
- {
- log_write(0, LOG_MAIN|LOG_PANIC,
- "programming fault, spamd_sock unexpectedly unset");
- goto defer;
- }
-
(void)fcntl(spamd_sock, F_SETFL, O_NONBLOCK);
/* now we are connected to spamd on spamd_sock */
if (sd->is_rspamd)
{
(void)close(spamd_sock);
log_write(0, LOG_MAIN|LOG_PANIC,
- "%s spamd send failed: %s", loglabel, strerror(errno));
+ "%s spamd %s send failed: %s", loglabel, callout_address, strerror(errno));
goto defer;
}
{
if (result == -1)
log_write(0, LOG_MAIN|LOG_PANIC,
- "%s %s on spamd socket", loglabel, strerror(errno));
+ "%s %s on spamd %s socket", loglabel, callout_address, strerror(errno));
else
{
if (time(NULL) - start < sd->timeout)
goto again;
log_write(0, LOG_MAIN|LOG_PANIC,
- "%s timed out writing spamd socket", loglabel);
+ "%s timed out writing spamd %s, socket", loglabel, callout_address);
}
(void)close(spamd_sock);
goto defer;
if (wrote == -1)
{
log_write(0, LOG_MAIN|LOG_PANIC,
- "%s %s on spamd socket", loglabel, strerror(errno));
+ "%s %s on spamd %s socket", loglabel, callout_address, strerror(errno));
(void)close(spamd_sock);
goto defer;
}
(void)fclose(mbox_file);
/* we're done sending, close socket for writing */
-shutdown(spamd_sock,SHUT_WR);
+if (!sd->is_rspamd)
+ shutdown(spamd_sock,SHUT_WR);
/* read spamd response using what's left of the timeout. */
memset(spamd_buffer, 0, sizeof(spamd_buffer));
while ((i = ip_recv(spamd_sock,
spamd_buffer + offset,
sizeof(spamd_buffer) - offset - 1,
- sd->timeout - time(NULL) + start)) > 0 )
+ sd->timeout - time(NULL) + start)) > 0)
offset += i;
+spamd_buffer[offset] = '\0'; /* guard byte */
/* error handling */
if (i <= 0 && errno != 0)
{
log_write(0, LOG_MAIN|LOG_PANIC,
- "%s error reading from spamd socket: %s", loglabel, strerror(errno));
+ "%s error reading from spamd %s, socket: %s", loglabel, callout_address, strerror(errno));
(void)close(spamd_sock);
return DEFER;
}
if (sd->is_rspamd)
{ /* rspamd variant of reply */
int r;
- if ((r = sscanf(CS spamd_buffer,
+ if ( (r = sscanf(CS spamd_buffer,
"RSPAMD/%7s 0 EX_OK\r\nMetric: default; %7s %lf / %lf / %lf\r\n%n",
spamd_version, spamd_short_result, &spamd_score, &spamd_threshold,
- &spamd_reject_score, &spamd_report_offset)) != 5)
+ &spamd_reject_score, &spamd_report_offset)) != 5
+ || spamd_report_offset >= offset /* verify within buffer */
+ )
{
log_write(0, LOG_MAIN|LOG_PANIC,
- "%s cannot parse spamd output: %d", loglabel, r);
+ "%s cannot parse spamd %s, output: %d", loglabel, callout_address, r);
return DEFER;
}
/* now parse action */
spamd_version,&spamd_score,&spamd_threshold,&spamd_report_offset) != 3)
{
log_write(0, LOG_MAIN|LOG_PANIC,
- "%s cannot parse spamd output", loglabel);
+ "%s cannot parse spamd %s output", loglabel, callout_address);
return DEFER;
}
}