postfix-2.3-20050422

postfix/HISTORY

@@ -10601,10 +10601,10 @@ Apologies for any names omitted.
 	the MIME processor. Files: global/mime_state.c,
 	cleanup/cleanup_message.c, smtp/smtp_proto.c.
 
-	Cleanup: updated error messages about MIME processing
+	Cleanup: updated error messages about MIME processing errors
-	errors in the SMTP client. These errors are no longer
+	in the SMTP client. These errors are no longer specific to
-	specific to 8bit->7bit conversion; they can also happen
+	8bit->7bit conversion; they can also happen with generic
-	with generic address mapping. File: smtp/smtp_proto.c.
+	address mapping. File: smtp/smtp_proto.c.
 
 	Safety: SASL 2.1.19 has a version lookup routine that we
 	can use to detect compile time / run time version mis-matches
@@ -10653,7 +10653,7 @@ Apologies for any names omitted.
 	eliminated a portability problem that was introduced when
 	"REJECT text" support was added. File: cleanup/cleanup.c.
 	
-20040513
+20050413
 
 	Portability: don't mix socket message send/receive calls
 	with socket stream read/write calls. The fact that you can
@@ -10673,6 +10673,21 @@ Apologies for any names omitted.
 	Safety: don't call syslog from a user-triggered signal
 	handler.  File: postdrop/postdrop.c.
 
+20050421
+
+	Bugfix: don't panic when the fall-back relay can't be used
+	because the local MTA is MX for the destination.  File:
+	smtp/smtp_connect.c.
+
+20050422
+
+	Bugfix: don't panic when the fall-back relay can't be used
+	because it was already tried via a cached session. Produce
+	a default excuse instead. File: smtp/smtp_connect.c.
+	
+	Bugfix: postsuper could lose an error message after reporting
+	a fatal error.  File: postsuper/postsuper.c.
+ 
 Open problems:
 
 	Med: disable header address rewriting after XCLIENT?

postfix/src/global/mail_version.h

@@ -20,7 +20,7 @@
   * Patches change the patchlevel and the release date. Snapshots change the
   * release date only.
   */
-#define MAIL_RELEASE_DATE	"20050418"
+#define MAIL_RELEASE_DATE	"20050422"
 #define MAIL_VERSION_NUMBER	"2.3"
 
 #define VAR_MAIL_VERSION	"mail_version"

postfix/src/lmtp/lmtp_sasl_glue.c

@@ -402,7 +402,7 @@ void    lmtp_sasl_start(LMTP_STATE *state, const char *sasl_opts_name,
      */
     memset(&sec_props, 0L, sizeof(sec_props));
     sec_props.min_ssf = 0;
-    sec_props.max_ssf = 1;			/* don't allow real SASL
+    sec_props.max_ssf = 0;			/* don't allow real SASL
 						 * security layer */
     sec_props.security_flags = name_mask(sasl_opts_name, lmtp_sasl_sec_mask,
 					 sasl_opts_val);

postfix/src/postsuper/postsuper.c

@@ -943,19 +943,31 @@ static void super(const char **queues, int action)
     argv_free(hash_queue_names);
 }
 
-/* fatal_exit - print warning if queue fix is incomplete */
-
-static void fatal_exit(void)
-{
-    if (inode_mismatch > 0 || inode_fixed > 0 || position_mismatch > 0)
-	msg_fatal("OPERATION INCOMPLETE -- RERUN COMMAND TO FIX THE QUEUE FIRST");
-}
-
 /* interrupted - signal handler */
 
-static void interrupted(int unused_sig)
+static void interrupted(int sig)
 {
-    fatal_exit();
+
+    /*
+     * This commands requires root privileges. We therefore do not worry
+     * about hostile signals, and report problems via msg_warn().
+     */
+    if (signal(SIGHUP, SIG_IGN) != SIG_IGN) {
+	(void) signal(SIGINT, SIG_IGN);
+	(void) signal(SIGQUIT, SIG_IGN);
+	(void) signal(SIGTERM, SIG_IGN);
+	if (inode_mismatch > 0 || inode_fixed > 0 || position_mismatch > 0)
+	    msg_warn("OPERATION INCOMPLETE -- RERUN COMMAND TO FIX THE QUEUE FIRST");
+	if (sig)
+	    _exit(sig);
+    }
+}
+
+/* fatal_warning - print warning if queue fix is incomplete */
+
+static void fatal_warning(void)
+{
+    interrupted(0);
 }
 
 int     main(int argc, char **argv)
@@ -1136,7 +1148,7 @@ int     main(int argc, char **argv)
     signal(SIGINT, interrupted);
     signal(SIGQUIT, interrupted);
     signal(SIGTERM, interrupted);
-    msg_cleanup(fatal_exit);
+    msg_cleanup(fatal_warning);
 
     /*
      * Sanity checks.

postfix/src/smtp/smtp_connect.c

@@ -568,8 +568,6 @@ int     smtp_connect(SMTP_STATE *state)
 	    (*(cpp) && (cpp) >= (sites)->argv + (non_fallback_sites))
 
     for (cpp = sites->argv; SMTP_RCPT_LEFT(state) > 0 && (dest = *cpp) != 0; cpp++) {
-	if (i_am_mx && IS_FALLBACK_RELAY(cpp, sites, non_fallback_sites))
-	    break;
 	state->final_server = (cpp[1] == 0);
 
 	/*
@@ -685,7 +683,8 @@ int     smtp_connect(SMTP_STATE *state)
 	    if ((state->session = session) != 0) {
 		if (++sess_count == var_smtp_mxsess_limit)
 		    next = 0;
-		state->final_server = (cpp[1] == 0 && next == 0);
+		state->final_server = (next == 0 && (cpp[1] == 0 || (i_am_mx
+		&& IS_FALLBACK_RELAY(cpp + 1, sites, non_fallback_sites))));
 		if (addr->pref == domain_best_pref)
 		    session->features |= SMTP_FEATURE_BEST_MX;
 		if ((session->features & SMTP_FEATURE_FROM_CACHE) != 0
@@ -706,8 +705,17 @@ int     smtp_connect(SMTP_STATE *state)
      * 
      * Pay attention to what could be configuration problems, and pretend that
      * these are recoverable rather than bouncing the mail.
+     * 
+     * In case of a "no error" indication we make up an excuse; this can happen
+     * when the fall-back relay was already tried via a cached connection, so
+     * that the address list scrubber left behind an empty list.
      */
     if (SMTP_RCPT_LEFT(state) > 0) {
+	if (smtp_errno == SMTP_ERR_NONE) {
+	    dsn_vstring_update(why, "4.3.0",
+			    "server unavailable or unable to receive mail");
+	    smtp_errno = SMTP_ERR_RETRY;
+	}
 	switch (smtp_errno) {
 
 	default: