2e4c3c4cc3
(by L. Gabriel Somlo <somlo AT cmu.edu>) function old new delta udhcpc_main 2513 2554 +41 static.udhcpc_longopts 226 247 +21 add_param_req_option 119 132 +13 packed_usage 23952 23964 +12 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/0 up/down: 87/0) Total: 87 bytes
65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/* vi: set sw=4 ts=4: */
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/* dhcpc.h */
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#ifndef _DHCPC_H
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#define _DHCPC_H
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#define INIT_SELECTING 0
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#define REQUESTING 1
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#define BOUND 2
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#define RENEWING 3
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#define REBINDING 4
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#define INIT_REBOOT 5
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#define RENEW_REQUESTED 6
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#define RELEASED 7
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struct client_config_t {
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/* TODO: combine flag fields into single "unsigned opt" */
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/* (can be set directly to the result of getopt32) */
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char foreground; /* Do not fork */
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char quit_after_lease; /* Quit after obtaining lease */
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char release_on_quit; /* Perform release on quit */
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char abort_if_no_lease; /* Abort if no lease */
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char background_if_no_lease; /* Fork to background if no lease */
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char no_default_options; /* Do not include default optins in request */
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const char *interface; /* The name of the interface to use */
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char *pidfile; /* Optionally store the process ID */
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const char *script; /* User script to run at dhcp events */
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uint8_t *clientid; /* Optional client id to use */
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uint8_t *vendorclass; /* Optional vendor class-id to use */
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uint8_t *hostname; /* Optional hostname to use */
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uint8_t *fqdn; /* Optional fully qualified domain name to use */
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int ifindex; /* Index number of the interface to use */
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#if ENABLE_FEATURE_UDHCP_PORT
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uint16_t port;
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#endif
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uint8_t arp[6]; /* Our arp address */
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uint8_t opt_mask[256 / 8]; /* Bitmask of options to send (-O option) */
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};
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/* server_config sits in 1st half of bb_common_bufsiz1 */
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#define client_config (*(struct client_config_t*)(&bb_common_bufsiz1[COMMON_BUFSIZE/2]))
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#if ENABLE_FEATURE_UDHCP_PORT
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#define CLIENT_PORT (client_config.port)
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#else
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#define CLIENT_PORT 68
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#endif
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/*** clientpacket.h ***/
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uint32_t random_xid(void);
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int send_discover(uint32_t xid, uint32_t requested);
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int send_selecting(uint32_t xid, uint32_t server, uint32_t requested);
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#if ENABLE_FEATURE_UDHCPC_ARPING
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int send_decline(uint32_t xid, uint32_t server, uint32_t requested);
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#endif
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int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr);
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int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr);
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int send_release(uint32_t server, uint32_t ciaddr);
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int get_raw_packet(struct dhcpMessage *payload, int fd);
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#endif
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