File 0018-client-fail-on-script-pre-init-error-bsc-912098.patch of Package dhcp

From 937561ef8c09e3281caba3c859e80ce2fcf23ce4 Mon Sep 17 00:00:00 2001
From: Marius Tomaschewski <mt@suse.de>
Date: Mon, 14 Sep 2015 18:53:34 +0200
Subject: [PATCH] client: fail on script pre-init error (bsc#912098)
References: bsc#912098

Index: dhcp-4.4.2/client/dhclient.c
===================================================================
--- dhcp-4.4.2.orig/client/dhclient.c
+++ dhcp-4.4.2/client/dhclient.c
@@ -882,7 +882,8 @@ main(int argc, char **argv) {
 		 * in case somebody cares.
 		 */
 		script_init(NULL, "NBI", NULL);
-		script_go(NULL);
+		if (script_go(NULL))
+			log_fatal("dhclient-script was unable to pre-init");
 
 		/*
 		 * If we haven't been asked to persist, waiting for new
@@ -894,6 +895,8 @@ main(int argc, char **argv) {
 			finish(0);
 		}
 	} else if (!release_mode && !exit_mode) {
+		unsigned int failed = 0;
+
 		/* Call the script with the list of interfaces. */
 		for (ip = interfaces; ip; ip = ip->next) {
 			/*
@@ -915,7 +918,16 @@ main(int argc, char **argv) {
 							    "alias_",
 							    ip->client->alias);
 			}
-			script_go(ip->client);
+			if (script_go(ip->client)) {
+				log_info("%s: unable to pre-init requested interface %s",
+						path_dhclient_script, ip->name);
+				ip->flags &= ~(INTERFACE_REQUESTED|INTERFACE_AUTOMATIC);
+				failed++;
+			}
+		}
+		if (failed) {
+			log_fatal("%s: unable to pre-init requested interfaces -- see log messages",
+					path_dhclient_script);
 		}
 	}
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