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-rw-r--r--gdhcp/client.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/gdhcp/client.c b/gdhcp/client.c
index 3d27b4a0..b9f8da61 100644
--- a/gdhcp/client.c
+++ b/gdhcp/client.c
@@ -1596,6 +1596,9 @@ static GList *get_addresses(GDHCPClient *dhcp_client,
uint8_t *option;
char *str;
+ if (value == NULL || len < 4)
+ return NULL;
+
iaid = get_uint32(&value[0]);
if (dhcp_client->iaid != iaid)
return NULL;
@@ -1700,6 +1703,9 @@ static GList *get_dhcpv6_option_value_list(GDHCPClient *dhcp_client,
char *str;
int i;
+ if (value == NULL)
+ return NULL;
+
switch (code) {
case G_DHCPV6_DNS_SERVERS: /* RFC 3646, chapter 3 */
case G_DHCPV6_SNTP_SERVERS: /* RFC 4075, chapter 4 */