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udhcpd: don't fail ARP check if returned MAC matches client's one

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Also, do not unicast replies to yiaddr.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2009-06-16 10:20:27 +02:00
parent 1f363a0867
commit 47f2d7ef7d
6 changed files with 67 additions and 34 deletions
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6
networking/udhcp/common.h
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@ -92,7 +92,11 @@ int udhcp_read_interface(const char *interface, int *ifindex, uint32_t *addr, ui
int udhcp_raw_socket(int ifindex) FAST_FUNC;
int udhcp_listen_socket(/*uint32_t ip,*/ int port, const char *inf) FAST_FUNC;
/* Returns 1 if no reply received */
int arpping(uint32_t test_ip, uint32_t from_ip, uint8_t *from_mac, const char *interface) FAST_FUNC;
int arpping(uint32_t test_ip,
const uint8_t *safe_mac,
uint32_t from_ip,
uint8_t *from_mac,
const char *interface) FAST_FUNC;
#if ENABLE_UDHCP_DEBUG
# define DEBUG(str, args...) bb_info_msg("### " str, ## args)