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Wrap raw_packet() with specialized bcast_raw_packet().

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This commit is contained in:
Nicholas J. Kain 2010-11-13 11:42:26 -05:00
parent 9f7fe1de8b
commit a79d86609b
1 changed files with 10 additions and 6 deletions
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16
ndhc/clientpacket.c
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@ -102,6 +102,13 @@ static void add_requests(struct dhcpMessage *packet)
packet->options[end + OPT_DATA + len] = DHCP_END;
}
/* Wrapper that broadcasts a raw dhcp packet on the bound interface. */
static int bcast_raw_packet(struct dhcpMessage *packet)
{
return raw_packet(packet, INADDR_ANY, CLIENT_PORT, INADDR_BROADCAST,
SERVER_PORT, MAC_BCAST_ADDR, client_config.ifindex);
}
/* Broadcast a DHCP discover packet to the network, with an optionally
* requested IP */
int send_discover(uint32_t xid, uint32_t requested)
@ -117,8 +124,7 @@ int send_discover(uint32_t xid, uint32_t requested)
add_simple_option(packet.options, DHCP_MAX_SIZE, htons(576));
add_requests(&packet);
log_line("Sending discover...");
return raw_packet(&packet, INADDR_ANY, CLIENT_PORT, INADDR_BROADCAST,
SERVER_PORT, MAC_BCAST_ADDR, client_config.ifindex);
return bcast_raw_packet(&packet);
}
/* Broadcasts a DHCP request message */
@ -136,8 +142,7 @@ int send_selecting(uint32_t xid, uint32_t server, uint32_t requested)
add_requests(&packet);
addr.s_addr = requested;
log_line("Sending select for %s...", inet_ntoa(addr));
return raw_packet(&packet, INADDR_ANY, CLIENT_PORT, INADDR_BROADCAST,
SERVER_PORT, MAC_BCAST_ADDR, client_config.ifindex);
return bcast_raw_packet(&packet);
}
/* Unicasts or broadcasts a DHCP renew message */
@ -155,8 +160,7 @@ int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr)
if (server)
ret = kernel_packet(&packet, ciaddr, CLIENT_PORT, server, SERVER_PORT);
else
ret = raw_packet(&packet, INADDR_ANY, CLIENT_PORT, INADDR_BROADCAST,
SERVER_PORT, MAC_BCAST_ADDR, client_config.ifindex);
ret = bcast_raw_packet(&packet);
return ret;
}