| /* 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 |