/* vi: set sw=4 ts=4: */
/* options.h */
-#ifndef _OPTIONS_H
-#define _OPTIONS_H
+#ifndef UDHCP_OPTIONS_H
+#define UDHCP_OPTIONS_H 1
-#define TYPE_MASK 0x0F
+PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
+
+#define TYPE_MASK 0x0F
enum {
OPTION_IP = 1,
OPTION_IP_PAIR,
OPTION_STRING,
-#if ENABLE_FEATURE_RFC3397
+#if ENABLE_FEATURE_UDHCP_RFC3397
OPTION_STR1035, /* RFC1035 compressed domain name list */
#endif
OPTION_BOOLEAN,
OPTION_S32
};
-#define OPTION_REQ 0x10 /* have the client request this option */
-#define OPTION_LIST 0x20 /* There can be a list of 1 or more of these */
+#define OPTION_REQ 0x10 /* have the client request this option */
+#define OPTION_LIST 0x20 /* There can be a list of 1 or more of these */
/*****************************************************************/
/* Do not modify below here unless you know what you are doing!! */
/*****************************************************************/
/* DHCP protocol -- see RFC 2131 */
-#define SERVER_PORT 67
-#define CLIENT_PORT 68
-
#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_OVER 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_END 0xFF
-
-
-#define BOOTREQUEST 1
-#define BOOTREPLY 2
-
-#define ETH_10MB 1
-#define ETH_10MB_LEN 6
-
-#define DHCPDISCOVER 1
-#define DHCPOFFER 2
-#define DHCPREQUEST 3
-#define DHCPDECLINE 4
-#define DHCPACK 5
-#define DHCPNAK 6
-#define DHCPRELEASE 7
-#define DHCPINFORM 8
-
-#define BROADCAST_FLAG 0x8000
-
-#define OPTION_FIELD 0
-#define FILE_FIELD 1
-#define SNAME_FIELD 2
-
-/* miscellaneous defines */
-#define OPT_CODE 0
-#define OPT_LEN 1
-#define OPT_DATA 2
+#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_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 {
- char opt_name[12];
- char flags;
+ uint8_t flags;
uint8_t code;
};
extern const struct dhcp_option dhcp_options[];
-extern const unsigned char option_lengths[];
-
-uint8_t *get_option(struct dhcpMessage *packet, int code);
-int end_option(uint8_t *optionptr);
-int add_option_string(uint8_t *optionptr, uint8_t *string);
-int add_simple_option(uint8_t *optionptr, uint8_t code, uint32_t data);
-#if ENABLE_FEATURE_RFC3397
-char *dname_dec(const uint8_t *cstr, int clen, const char *pre);
-uint8_t *dname_enc(const uint8_t *cstr, int clen, const char *src, int *retlen);
+extern const char dhcp_option_strings[];
+extern const uint8_t dhcp_option_lengths[];
+
+uint8_t *get_option(struct dhcpMessage *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
projects / oweals / busybox.git / blobdiff