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udhcp: fix indentation and style.

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Eliminate (group) a lot of smallish *.h files
Remove lots of unneeded #includes
This commit is contained in:
Denis Vlasenko
2006-11-18 19:51:32 +00:00
parent abfc4cf6d8
commit 5a3395bc01
33 changed files with 332 additions and 642 deletions
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32
networking/udhcp/packet.c
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@@ -1,10 +1,6 @@
/* vi: set sw=4 ts=4: */
#include <unistd.h>
#include <string.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <features.h>
#if (__GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1) || defined _NEWLIB_VERSION
#include <netpacket/packet.h>
#include <net/ethernet.h>
@@ -13,10 +9,8 @@
#include <linux/if_packet.h>
#include <linux/if_ether.h>
#endif
#include <errno.h>
#include "common.h"
#include "packet.h"
#include "dhcpd.h"
#include "options.h"
@@ -70,8 +64,9 @@ int udhcp_get_packet(struct dhcpMessage *packet, int fd)
if (packet->op == BOOTREQUEST && (vendor = get_option(packet, DHCP_VENDOR))) {
for (i = 0; broken_vendors[i][0]; i++) {
if (vendor[OPT_LEN - 2] == (uint8_t) strlen(broken_vendors[i]) &&
!strncmp((char*)vendor, broken_vendors[i], vendor[OPT_LEN - 2])) {
if (vendor[OPT_LEN - 2] == (uint8_t)strlen(broken_vendors[i])
&& !strncmp((char*)vendor, broken_vendors[i], vendor[OPT_LEN - 2])
) {
DEBUG("broken client (%s), forcing broadcast",
broken_vendors[i]);
packet->flags |= htons(BROADCAST_FLAG);
@@ -114,15 +109,17 @@ uint16_t udhcp_checksum(void *addr, int count)
/* Construct a ip/udp header for a packet, and specify the source and dest hardware address */
int udhcp_raw_packet(struct dhcpMessage *payload, uint32_t source_ip, int source_port,
uint32_t dest_ip, int dest_port, uint8_t *dest_arp, int ifindex)
int udhcp_raw_packet(struct dhcpMessage *payload,
uint32_t source_ip, int source_port,
uint32_t dest_ip, int dest_port, uint8_t *dest_arp, int ifindex)
{
int fd;
int result;
struct sockaddr_ll dest;
struct udp_dhcp_packet packet;
if ((fd = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_IP))) < 0) {
fd = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_IP));
if (fd < 0) {
bb_perror_msg("socket");
return -1;
}
@@ -157,7 +154,8 @@ int udhcp_raw_packet(struct dhcpMessage *payload, uint32_t source_ip, int source
packet.ip.ttl = IPDEFTTL;
packet.ip.check = udhcp_checksum(&(packet.ip), sizeof(packet.ip));
result = sendto(fd, &packet, sizeof(struct udp_dhcp_packet), 0, (struct sockaddr *) &dest, sizeof(dest));
result = sendto(fd, &packet, sizeof(struct udp_dhcp_packet), 0,
(struct sockaddr *) &dest, sizeof(dest));
if (result <= 0) {
bb_perror_msg("sendto");
}
@@ -167,14 +165,16 @@ int udhcp_raw_packet(struct dhcpMessage *payload, uint32_t source_ip, int source
/* Let the kernel do all the work for packet generation */
int udhcp_kernel_packet(struct dhcpMessage *payload, uint32_t source_ip, int source_port,
uint32_t dest_ip, int dest_port)
int udhcp_kernel_packet(struct dhcpMessage *payload,
uint32_t source_ip, int source_port,
uint32_t dest_ip, int dest_port)
{
int n = 1;
int fd, result;
struct sockaddr_in client;
if ((fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0)
fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (fd < 0)
return -1;
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *) &n, sizeof(n)) == -1) {