My first bout of untangling udhcp. Make lots of gratuitous #defines go
away, substitutie BB_VER for an external VERSION, use busybox CONFIG symbols
rather than checking for them then defining others, etc. Lots more cleanup
to do...
diff --git a/networking/udhcp/clientpacket.c b/networking/udhcp/clientpacket.c
index 88d4d88..14e6c66 100644
--- a/networking/udhcp/clientpacket.c
+++ b/networking/udhcp/clientpacket.c
@@ -4,19 +4,7 @@
*
* Russ Dill <Russ.Dill@asu.edu> July 2001
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include <string.h>
@@ -69,7 +57,7 @@
/* initialize a packet with the proper defaults */
static void init_packet(struct dhcpMessage *packet, char type)
{
- init_header(packet, type);
+ udhcp_init_header(packet, type);
memcpy(packet->chaddr, client_config.arp, 6);
if (client_config.clientid)
add_option_string(packet->options, client_config.clientid);
@@ -109,7 +97,7 @@
add_requests(&packet);
LOG(LOG_DEBUG, "Sending discover...");
- return raw_packet(&packet, INADDR_ANY, CLIENT_PORT, INADDR_BROADCAST,
+ return udhcp_raw_packet(&packet, INADDR_ANY, CLIENT_PORT, INADDR_BROADCAST,
SERVER_PORT, MAC_BCAST_ADDR, client_config.ifindex);
}
@@ -129,7 +117,7 @@
add_requests(&packet);
addr.s_addr = requested;
LOG(LOG_DEBUG, "Sending select for %s...", inet_ntoa(addr));
- return raw_packet(&packet, INADDR_ANY, CLIENT_PORT, INADDR_BROADCAST,
+ return udhcp_raw_packet(&packet, INADDR_ANY, CLIENT_PORT, INADDR_BROADCAST,
SERVER_PORT, MAC_BCAST_ADDR, client_config.ifindex);
}
@@ -147,8 +135,8 @@
add_requests(&packet);
LOG(LOG_DEBUG, "Sending renew...");
if (server)
- ret = kernel_packet(&packet, ciaddr, CLIENT_PORT, server, SERVER_PORT);
- else ret = raw_packet(&packet, INADDR_ANY, CLIENT_PORT, INADDR_BROADCAST,
+ ret = udhcp_kernel_packet(&packet, ciaddr, CLIENT_PORT, server, SERVER_PORT);
+ else ret = udhcp_raw_packet(&packet, INADDR_ANY, CLIENT_PORT, INADDR_BROADCAST,
SERVER_PORT, MAC_BCAST_ADDR, client_config.ifindex);
return ret;
}
@@ -167,7 +155,7 @@
add_simple_option(packet.options, DHCP_SERVER_ID, server);
LOG(LOG_DEBUG, "Sending release...");
- return kernel_packet(&packet, ciaddr, CLIENT_PORT, server, SERVER_PORT);
+ return udhcp_kernel_packet(&packet, ciaddr, CLIENT_PORT, server, SERVER_PORT);
}
@@ -212,7 +200,7 @@
/* check IP checksum */
check = packet.ip.check;
packet.ip.check = 0;
- if (check != checksum(&(packet.ip), sizeof(packet.ip))) {
+ if (check != udhcp_checksum(&(packet.ip), sizeof(packet.ip))) {
DEBUG(LOG_INFO, "bad IP header checksum, ignoring");
return -1;
}
@@ -228,7 +216,7 @@
packet.ip.saddr = source;
packet.ip.daddr = dest;
packet.ip.tot_len = packet.udp.len; /* cheat on the psuedo-header */
- if (check && check != checksum(&packet, bytes)) {
+ if (check && check != udhcp_checksum(&packet, bytes)) {
DEBUG(LOG_ERR, "packet with bad UDP checksum received, ignoring");
return -2;
}