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add end option to be rfc compliant #3

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add end option to be rfc compliant #3

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4 changes: 4 additions & 0 deletions src/dhcpdiscover.c
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Original file line number Diff line number Diff line change
Expand Up @@ -205,6 +205,7 @@ typedef struct requested_server_struct {
#define DHCP_OPTION_LEASE_TIME 51
#define DHCP_OPTION_RENEWAL_TIME 58
#define DHCP_OPTION_REBINDING_TIME 59
#define DHCP_OPTION_END 255

#define DHCP_INFINITE_TIME 0xFFFFFFFF

Expand Down Expand Up @@ -503,6 +504,9 @@ int send_dhcp_discover(int sock)
discover_packet.options[7] = DHCP_OPTION_REQUESTED_ADDRESS;
discover_packet.options[8] = '\x04';
memcpy(&discover_packet.options[9], &requested_address, sizeof(requested_address));
discover_packet.options[10] = DHCP_OPTION_END;
} else {
discover_packet.options[7] = DHCP_OPTION_END;
}

/* send the DHCPDISCOVER packet to broadcast address */
Expand Down