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-rw-r--r--networking/udhcp/common.h89
1 files changed, 87 insertions, 2 deletions
diff --git a/networking/udhcp/common.h b/networking/udhcp/common.h
index d5291f2f3..70a769342 100644
--- a/networking/udhcp/common.h
+++ b/networking/udhcp/common.h
@@ -10,14 +10,99 @@
10#ifndef _COMMON_H 10#ifndef _COMMON_H
11#define _COMMON_H 11#define _COMMON_H
12 12
13#include "libbb_udhcp.h" 13#include "busybox.h"
14
15#ifdef CONFIG_INSTALL_NO_USR
16# define DEFAULT_SCRIPT "/share/udhcpc/default.script"
17#else
18# define DEFAULT_SCRIPT "/usr/share/udhcpc/default.script"
19#endif
20
21#define COMBINED_BINARY
22
23
24/*** packet.h ***/
25
26#include <netinet/udp.h>
27#include <netinet/ip.h>
28
29struct dhcpMessage {
30 uint8_t op;
31 uint8_t htype;
32 uint8_t hlen;
33 uint8_t hops;
34 uint32_t xid;
35 uint16_t secs;
36 uint16_t flags;
37 uint32_t ciaddr;
38 uint32_t yiaddr;
39 uint32_t siaddr;
40 uint32_t giaddr;
41 uint8_t chaddr[16];
42 uint8_t sname[64];
43 uint8_t file[128];
44 uint32_t cookie;
45 uint8_t options[308]; /* 312 - cookie */
46};
47
48struct udp_dhcp_packet {
49 struct iphdr ip;
50 struct udphdr udp;
51 struct dhcpMessage data;
52};
53
54void udhcp_init_header(struct dhcpMessage *packet, char type);
55int udhcp_get_packet(struct dhcpMessage *packet, int fd);
56uint16_t udhcp_checksum(void *addr, int count);
57int udhcp_raw_packet(struct dhcpMessage *payload,
58 uint32_t source_ip, int source_port,
59 uint32_t dest_ip, int dest_port, uint8_t *dest_arp, int ifindex);
60int udhcp_kernel_packet(struct dhcpMessage *payload,
61 uint32_t source_ip, int source_port,
62 uint32_t dest_ip, int dest_port);
63
64
65/**/
66
67void udhcp_background(const char *pidfile);
68void udhcp_start_log_and_pid(const char *pidfile);
69
70void udhcp_run_script(struct dhcpMessage *packet, const char *name);
71
72// Still need to clean these up...
73
74/* from pidfile.h */
75#define pidfile_acquire udhcp_pidfile_acquire
76#define pidfile_write_release udhcp_pidfile_write_release
77/* from options.h */
78#define get_option udhcp_get_option
79#define end_option udhcp_end_option
80#define add_option_string udhcp_add_option_string
81#define add_simple_option udhcp_add_simple_option
82#define option_lengths udhcp_option_lengths
83/* from socket.h */
84#define listen_socket udhcp_listen_socket
85#define read_interface udhcp_read_interface
86/* from dhcpc.h */
87#define client_config udhcp_client_config
88/* from dhcpd.h */
89#define server_config udhcp_server_config
14 90
15long uptime(void); 91long uptime(void);
92void udhcp_sp_setup(void);
93int udhcp_sp_fd_set(fd_set *rfds, int extra_fd);
94int udhcp_sp_read(fd_set *rfds);
95int raw_socket(int ifindex);
96int read_interface(char *interface, int *ifindex, uint32_t *addr, uint8_t *arp);
97int listen_socket(uint32_t ip, int port, char *inf);
98int pidfile_acquire(const char *pidfile);
99void pidfile_write_release(int pid_fd);
100int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *arp, char *interface);
16 101
17#if ENABLE_FEATURE_UDHCP_DEBUG 102#if ENABLE_FEATURE_UDHCP_DEBUG
18# define DEBUG(str, args...) bb_info_msg(str, ## args) 103# define DEBUG(str, args...) bb_info_msg(str, ## args)
19#else 104#else
20# define DEBUG(str, args...) do {;} while(0) 105# define DEBUG(str, args...) do {;} while (0)
21#endif 106#endif
22 107
23#endif 108#endif