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/* vi: set sw=4 ts=4: */
/* dhcpc.h */
#ifndef _DHCPC_H
#define _DHCPC_H
#if __GNUC_PREREQ(4,1)
# pragma GCC visibility push(hidden)
#endif
struct client_config_t {
/* TODO: combine flag fields into single "unsigned opt" */
/* (can be set directly to the result of getopt32) */
char foreground; /* Do not fork */
char quit_after_lease; /* Quit after obtaining lease */
char release_on_quit; /* Perform release on quit */
char abort_if_no_lease; /* Abort if no lease */
char background_if_no_lease; /* Fork to background if no lease */
char no_default_options; /* Do not include default optins in request */
const char *interface; /* The name of the interface to use */
char *pidfile; /* Optionally store the process ID */
const char *script; /* User script to run at dhcp events */
uint8_t *clientid; /* Optional client id to use */
uint8_t *vendorclass; /* Optional vendor class-id to use */
uint8_t *hostname; /* Optional hostname to use */
uint8_t *fqdn; /* Optional fully qualified domain name to use */
int ifindex; /* Index number of the interface to use */
#if ENABLE_FEATURE_UDHCP_PORT
uint16_t port;
#endif
uint8_t arp[6]; /* Our arp address */
uint8_t opt_mask[256 / 8]; /* Bitmask of options to send (-O option) */
};
/* server_config sits in 1st half of bb_common_bufsiz1 */
#define client_config (*(struct client_config_t*)(&bb_common_bufsiz1[COMMON_BUFSIZE/2]))
#if ENABLE_FEATURE_UDHCP_PORT
#define CLIENT_PORT (client_config.port)
#else
#define CLIENT_PORT 68
#endif
/*** clientpacket.h ***/
uint32_t random_xid(void);
int send_discover(uint32_t xid, uint32_t requested);
int send_selecting(uint32_t xid, uint32_t server, uint32_t requested);
#if ENABLE_FEATURE_UDHCPC_ARPING
int send_decline(uint32_t xid, uint32_t server, uint32_t requested);
#endif
int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr);
int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr);
int send_release(uint32_t server, uint32_t ciaddr);
int udhcp_recv_raw_packet(struct dhcpMessage *payload, int fd);
#if __GNUC_PREREQ(4,1)
# pragma GCC visibility pop
#endif
#endif
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