mirror of
https://github.com/sheumann/hush.git
synced 2024-11-09 02:09:01 +00:00
97ef65483a
function old new delta xmalloc_optname_optval - 583 +583 dhcp_option_strings 258 266 +8 dhcp_options 70 72 +2 len_of_option_as_string 11 12 +1 dhcp_option_lengths 11 12 +1 udhcp_run_script 1187 669 -518 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 4/1 up/down: 595/-518) Total: 77 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
119 lines
3.7 KiB
C
119 lines
3.7 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/* options.h */
|
|
#ifndef UDHCP_OPTIONS_H
|
|
#define UDHCP_OPTIONS_H 1
|
|
|
|
PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
|
|
|
|
#define TYPE_MASK 0x0F
|
|
|
|
enum {
|
|
OPTION_IP = 1,
|
|
OPTION_IP_PAIR,
|
|
OPTION_STRING,
|
|
#if ENABLE_FEATURE_UDHCP_RFC3397
|
|
OPTION_STR1035, /* RFC1035 compressed domain name list */
|
|
#endif
|
|
OPTION_BOOLEAN,
|
|
OPTION_U8,
|
|
OPTION_U16,
|
|
OPTION_S16,
|
|
OPTION_U32,
|
|
OPTION_S32,
|
|
OPTION_STATIC_ROUTES,
|
|
};
|
|
|
|
/* Client requests this option by default */
|
|
#define OPTION_REQ 0x10
|
|
/* There can be a list of 1 or more of these */
|
|
#define OPTION_LIST 0x20
|
|
|
|
/*****************************************************************/
|
|
/* Do not modify below here unless you know what you are doing!! */
|
|
/*****************************************************************/
|
|
|
|
/* DHCP protocol -- see RFC 2131 */
|
|
#define DHCP_MAGIC 0x63825363
|
|
|
|
/* DHCP option codes (partial list) */
|
|
#define DHCP_PADDING 0x00
|
|
#define DHCP_SUBNET 0x01
|
|
#define DHCP_TIME_OFFSET 0x02
|
|
#define DHCP_ROUTER 0x03
|
|
#define DHCP_TIME_SERVER 0x04
|
|
#define DHCP_NAME_SERVER 0x05
|
|
#define DHCP_DNS_SERVER 0x06
|
|
#define DHCP_LOG_SERVER 0x07
|
|
#define DHCP_COOKIE_SERVER 0x08
|
|
#define DHCP_LPR_SERVER 0x09
|
|
#define DHCP_HOST_NAME 0x0c
|
|
#define DHCP_BOOT_SIZE 0x0d
|
|
#define DHCP_DOMAIN_NAME 0x0f
|
|
#define DHCP_SWAP_SERVER 0x10
|
|
#define DHCP_ROOT_PATH 0x11
|
|
#define DHCP_IP_TTL 0x17
|
|
#define DHCP_MTU 0x1a
|
|
#define DHCP_BROADCAST 0x1c
|
|
#define DHCP_NTP_SERVER 0x2a
|
|
#define DHCP_WINS_SERVER 0x2c
|
|
#define DHCP_REQUESTED_IP 0x32
|
|
#define DHCP_LEASE_TIME 0x33
|
|
#define DHCP_OPTION_OVERLOAD 0x34
|
|
#define DHCP_MESSAGE_TYPE 0x35
|
|
#define DHCP_SERVER_ID 0x36
|
|
#define DHCP_PARAM_REQ 0x37
|
|
#define DHCP_MESSAGE 0x38
|
|
#define DHCP_MAX_SIZE 0x39
|
|
#define DHCP_T1 0x3a
|
|
#define DHCP_T2 0x3b
|
|
#define DHCP_VENDOR 0x3c
|
|
#define DHCP_CLIENT_ID 0x3d
|
|
#define DHCP_FQDN 0x51
|
|
#define DHCP_STATIC_ROUTES 0x79
|
|
#define DHCP_END 0xFF
|
|
/* Offsets in option byte sequence */
|
|
#define OPT_CODE 0
|
|
#define OPT_LEN 1
|
|
#define OPT_DATA 2
|
|
/* Bits in "overload" option */
|
|
#define OPTION_FIELD 0
|
|
#define FILE_FIELD 1
|
|
#define SNAME_FIELD 2
|
|
|
|
#define BOOTREQUEST 1
|
|
#define BOOTREPLY 2
|
|
|
|
#define ETH_10MB 1
|
|
#define ETH_10MB_LEN 6
|
|
|
|
#define DHCPDISCOVER 1 /* client -> server */
|
|
#define DHCPOFFER 2 /* client <- server */
|
|
#define DHCPREQUEST 3 /* client -> server */
|
|
#define DHCPDECLINE 4 /* client -> server */
|
|
#define DHCPACK 5 /* client <- server */
|
|
#define DHCPNAK 6 /* client <- server */
|
|
#define DHCPRELEASE 7 /* client -> server */
|
|
#define DHCPINFORM 8 /* client -> server */
|
|
|
|
struct dhcp_option {
|
|
uint8_t flags;
|
|
uint8_t code;
|
|
};
|
|
|
|
extern const struct dhcp_option dhcp_options[];
|
|
extern const char dhcp_option_strings[];
|
|
extern const uint8_t dhcp_option_lengths[];
|
|
|
|
uint8_t *get_option(struct dhcp_packet *packet, int code) FAST_FUNC;
|
|
int end_option(uint8_t *optionptr) FAST_FUNC;
|
|
int add_option_string(uint8_t *optionptr, uint8_t *string) FAST_FUNC;
|
|
int add_simple_option(uint8_t *optionptr, uint8_t code, uint32_t data) FAST_FUNC;
|
|
#if ENABLE_FEATURE_UDHCP_RFC3397
|
|
char *dname_dec(const uint8_t *cstr, int clen, const char *pre) FAST_FUNC;
|
|
uint8_t *dname_enc(const uint8_t *cstr, int clen, const char *src, int *retlen) FAST_FUNC;
|
|
#endif
|
|
|
|
POP_SAVED_FUNCTION_VISIBILITY
|
|
|
|
#endif
|