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arp-util: check ifindex and mac address

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This commit is contained in:
Yu Watanabe 2021-06-18 15:18:57 +09:00
parent f6720fe62e
commit 504bf2b54a
1 changed files with 3 additions and 0 deletions
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3
src/libsystemd-network/arp-util.c
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@ -8,6 +8,7 @@
#include <netinet/if_ether.h>
#include "arp-util.h"
#include "ether-addr-util.h"
#include "fd-util.h"
#include "unaligned.h"
#include "util.h"
@ -115,8 +116,10 @@ static int arp_send_packet(
ssize_t n;
assert(fd >= 0);
assert(ifindex > 0);
assert(pa != 0);
assert(ha);
assert(!ether_addr_is_null(ha));
memcpy(&arp.arp_sha, ha, ETH_ALEN);
memcpy(&arp.arp_tpa, &pa, sizeof(pa));