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