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Diffstat (limited to 'src/shared/firewall-util.c')
-rw-r--r--src/shared/firewall-util.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/shared/firewall-util.c b/src/shared/firewall-util.c
index eb4f5ff616..cba52fb419 100644
--- a/src/shared/firewall-util.c
+++ b/src/shared/firewall-util.c
@@ -50,8 +50,14 @@ static int entry_fill_basics(
entry->ip.proto = protocol;
if (in_interface) {
+ size_t l;
+
+ l = strlen(in_interface);
+ assert(l < sizeof entry->ip.iniface);
+ assert(l < sizeof entry->ip.iniface_mask);
+
strcpy(entry->ip.iniface, in_interface);
- memset(entry->ip.iniface_mask, 0xFF, strlen(in_interface)+1);
+ memset(entry->ip.iniface_mask, 0xFF, l + 1);
}
if (source) {
entry->ip.src = source->in;