From: Tom Gundersen <teg@jklm.no>
Date: Mon, 9 Feb 2015 21:02:32 +0000 (+0100)
Subject: networkd: link_object_find - don't accept invalid input
X-Git-Tag: v219~105
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=1c11181458990715e0ffd49e848baac5959e3c89

networkd: link_object_find - don't accept invalid input

Reported by Zbigniew.
---

diff --git a/src/network/networkd-link-bus.c b/src/network/networkd-link-bus.c
index 370707c30..1a1524dfb 100644
--- a/src/network/networkd-link-bus.c
+++ b/src/network/networkd-link-bus.c
@@ -101,7 +101,8 @@ int link_object_find(sd_bus *bus, const char *path, const char *interface, void
         if (r < 0)
                 return 0;
 
-        if (sscanf(identifier, "%d", &ifindex) != 1)
+        r = safe_atoi(identifier, &ifindex);
+        if (r < 0)
                 return 0;
 
         r = link_get(m, ifindex, &link);