summaryrefslogtreecommitdiff
path: root/busybox/networking/udhcp/packet.h
diff options
context:
space:
mode:
authornobody2004-10-13 09:42:10 +0000
committernobody2004-10-13 09:42:10 +0000
commit8c59a0bf0e9e2d87b0ff273ea3f0bf05bbbf6373 (patch)
tree1826706cd4fd009fcd14f4f8021005ec8ec0fa59 /busybox/networking/udhcp/packet.h
downloadbusybox-8c59a0bf0e9e2d87b0ff273ea3f0bf05bbbf6373.zip
busybox-8c59a0bf0e9e2d87b0ff273ea3f0bf05bbbf6373.tar.gz
This commit was manufactured by cvs2svn to create tag 'busybox_1_00'.
Diffstat (limited to 'busybox/networking/udhcp/packet.h')
-rw-r--r--busybox/networking/udhcp/packet.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/busybox/networking/udhcp/packet.h b/busybox/networking/udhcp/packet.h
new file mode 100644
index 0000000..f5859e8
--- /dev/null
+++ b/busybox/networking/udhcp/packet.h
@@ -0,0 +1,41 @@
+#ifndef _PACKET_H
+#define _PACKET_H
+
+#include <netinet/udp.h>
+#include <netinet/ip.h>
+
+struct dhcpMessage {
+ uint8_t op;
+ uint8_t htype;
+ uint8_t hlen;
+ uint8_t hops;
+ uint32_t xid;
+ uint16_t secs;
+ uint16_t flags;
+ uint32_t ciaddr;
+ uint32_t yiaddr;
+ uint32_t siaddr;
+ uint32_t giaddr;
+ uint8_t chaddr[16];
+ uint8_t sname[64];
+ uint8_t file[128];
+ uint32_t cookie;
+ uint8_t options[308]; /* 312 - cookie */
+};
+
+struct udp_dhcp_packet {
+ struct iphdr ip;
+ struct udphdr udp;
+ struct dhcpMessage data;
+};
+
+void init_header(struct dhcpMessage *packet, char type);
+int get_packet(struct dhcpMessage *packet, int fd);
+uint16_t checksum(void *addr, int count);
+int 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 kernel_packet(struct dhcpMessage *payload, uint32_t source_ip, int source_port,
+ uint32_t dest_ip, int dest_port);
+
+
+#endif