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sd-dhcp: silently ignore malformed packets

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This fixes a regression introduced in e5002702.
This commit is contained in:
Tom Gundersen
2014-02-16 23:28:19 +01:00
parent 489e4fbb8c
commit 9fadd4cabf
1 changed files with 3 additions and 3 deletions
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src/libsystemd-dhcp/sd-dhcp-client.c
+3 -3
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@@ -710,11 +710,11 @@ static int client_handle_message(sd_dhcp_client *client, DHCPMessage *message,
assert(message);
if (be32toh(message->xid) != client->xid)
return -EINVAL;
return 0;
if (memcmp(&message->chaddr[0], &client->mac_addr.ether_addr_octet,
ETHER_ADDR_LEN))
return -EINVAL;
return 0;
switch (client->state) {
case DHCP_STATE_SELECTING:
@@ -843,7 +843,7 @@ static int client_receive_message_udp(sd_event_source *s, int fd,
r = dhcp_packet_verify_headers(packet, BOOTREPLY, len);
if (r < 0)
return r;
return 0;
len -= DHCP_IP_UDP_SIZE;