1 /* vi: set sw=4 ts=4: */
7 #define INIT_SELECTING 0
13 #define RENEW_REQUESTED 6
16 struct client_config_t {
17 /* TODO: combine flag fields into single "unsigned opt" */
18 /* (can be set directly to the result of getopt32) */
19 char foreground; /* Do not fork */
20 char quit_after_lease; /* Quit after obtaining lease */
21 char release_on_quit; /* Perform release on quit */
22 char abort_if_no_lease; /* Abort if no lease */
23 char background_if_no_lease; /* Fork to background if no lease */
24 const char *interface; /* The name of the interface to use */
25 char *pidfile; /* Optionally store the process ID */
26 const char *script; /* User script to run at dhcp events */
27 uint8_t *clientid; /* Optional client id to use */
28 uint8_t *vendorclass; /* Optional vendor class-id to use */
29 uint8_t *hostname; /* Optional hostname to use */
30 uint8_t *fqdn; /* Optional fully qualified domain name to use */
31 int ifindex; /* Index number of the interface to use */
33 uint8_t arp[6]; /* Our arp address */
34 uint8_t opt_mask[256 / 8]; /* Bitmask of options to send (-O option) */
37 /* server_config sits in 1st half of bb_common_bufsiz1 */
38 #define client_config (*(struct client_config_t*)(&bb_common_bufsiz1[COMMON_BUFSIZE/2]))
40 #if ENABLE_FEATURE_UDHCP_PORT
41 #define CLIENT_PORT (client_config.port)
43 #define CLIENT_PORT 68
47 /*** clientpacket.h ***/
49 uint32_t random_xid(void);
50 int send_discover(uint32_t xid, uint32_t requested);
51 int send_selecting(uint32_t xid, uint32_t server, uint32_t requested);
52 #if ENABLE_FEATURE_UDHCPC_ARPING
53 int send_decline(uint32_t xid, uint32_t server, uint32_t requested);
55 int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr);
56 int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr);
57 int send_release(uint32_t server, uint32_t ciaddr);
58 int get_raw_packet(struct dhcpMessage *payload, int fd);