1 /* vi: set sw=4 ts=4: */
4 * Russ Dill <Russ.Dill@asu.edu> September 2001
5 * Rewritten by Vladimir Oleynik <dzo@simtreas.ru> (C) 2003
7 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
15 #ifdef CONFIG_INSTALL_NO_USR
16 # define DEFAULT_SCRIPT "/share/udhcpc/default.script"
18 # define DEFAULT_SCRIPT "/usr/share/udhcpc/default.script"
21 #define COMBINED_BINARY
26 #include <netinet/udp.h>
27 #include <netinet/ip.h>
45 uint8_t options[308]; /* 312 - cookie */
48 struct udp_dhcp_packet {
51 struct dhcpMessage data;
54 void udhcp_init_header(struct dhcpMessage *packet, char type);
55 int udhcp_get_packet(struct dhcpMessage *packet, int fd);
56 uint16_t udhcp_checksum(void *addr, int count);
57 int 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);
60 int udhcp_kernel_packet(struct dhcpMessage *payload,
61 uint32_t source_ip, int source_port,
62 uint32_t dest_ip, int dest_port);
67 void udhcp_background(const char *pidfile);
68 void udhcp_start_log_and_pid(const char *pidfile);
70 void udhcp_run_script(struct dhcpMessage *packet, const char *name);
72 // Still need to clean these up...
75 #define pidfile_acquire udhcp_pidfile_acquire
76 #define pidfile_write_release udhcp_pidfile_write_release
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
84 #define listen_socket udhcp_listen_socket
85 #define read_interface udhcp_read_interface
87 #define client_config udhcp_client_config
89 #define server_config udhcp_server_config
92 void udhcp_sp_setup(void);
93 int udhcp_sp_fd_set(fd_set *rfds, int extra_fd);
94 int udhcp_sp_read(fd_set *rfds);
95 int raw_socket(int ifindex);
96 int read_interface(char *interface, int *ifindex, uint32_t *addr, uint8_t *arp);
97 int listen_socket(uint32_t ip, int port, char *inf);
98 int pidfile_acquire(const char *pidfile);
99 void pidfile_write_release(int pid_fd);
100 int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *arp, char *interface);
102 #if ENABLE_FEATURE_UDHCP_DEBUG
103 # define DEBUG(str, args...) bb_info_msg(str, ## args)
105 # define DEBUG(str, args...) do {;} while (0)