diff options
Diffstat (limited to 'src/systemd/src/libsystemd-network/arp-util.c')
| -rw-r--r-- | src/systemd/src/libsystemd-network/arp-util.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/systemd/src/libsystemd-network/arp-util.c b/src/systemd/src/libsystemd-network/arp-util.c index 0b5aa2bd4f..11dcda8693 100644 --- a/src/systemd/src/libsystemd-network/arp-util.c +++ b/src/systemd/src/libsystemd-network/arp-util.c @@ -26,6 +26,7 @@ #include "arp-util.h" #include "fd-util.h" +#include "unaligned.h" #include "util.h" int arp_network_bind_raw_socket(int ifindex, be32_t address, const struct ether_addr *eth_mac) { @@ -50,12 +51,12 @@ int arp_network_bind_raw_socket(int ifindex, be32_t address, const struct ether_ BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, ARPOP_REPLY, 1, 0), /* protocol == reply ? */ BPF_STMT(BPF_RET + BPF_K, 0), /* ignore */ /* Sender Hardware Address must be different from our own */ - BPF_STMT(BPF_LD + BPF_IMM, htobe32(*((uint32_t *) eth_mac))), /* A <- 4 bytes of client's MAC */ + BPF_STMT(BPF_LD + BPF_IMM, unaligned_read_ne32(ð_mac->ether_addr_octet[0])),/* A <- 4 bytes of client's MAC */ BPF_STMT(BPF_MISC + BPF_TAX, 0), /* X <- A */ BPF_STMT(BPF_LD + BPF_W + BPF_ABS, offsetof(struct ether_arp, arp_sha)), /* A <- 4 bytes of SHA */ BPF_STMT(BPF_ALU + BPF_XOR + BPF_X, 0), /* A xor X */ BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, 0, 0, 6), /* A == 0 ? */ - BPF_STMT(BPF_LD + BPF_IMM, htobe16(*((uint16_t *) (((char *) eth_mac) + 4)))), /* A <- remainder of client's MAC */ + BPF_STMT(BPF_LD + BPF_IMM, unaligned_read_ne16(ð_mac->ether_addr_octet[4])),/* A <- remainder of client's MAC */ BPF_STMT(BPF_MISC + BPF_TAX, 0), /* X <- A */ BPF_STMT(BPF_LD + BPF_H + BPF_ABS, offsetof(struct ether_arp, arp_sha) + 4), /* A <- remainder of SHA */ BPF_STMT(BPF_ALU + BPF_XOR + BPF_X, 0), /* A xor X */ |