diff options
Diffstat (limited to 'networking/udhcp/options.h')
| -rw-r--r-- | networking/udhcp/options.h | 60 |
1 files changed, 35 insertions, 25 deletions
diff --git a/networking/udhcp/options.h b/networking/udhcp/options.h index 75087fa35..b7c9d8f8d 100644 --- a/networking/udhcp/options.h +++ b/networking/udhcp/options.h @@ -32,45 +32,55 @@ enum { /* Do not modify below here unless you know what you are doing!! */ /*****************************************************************/ -/* DHCP protocol -- see RFC 2131 */ +/* DHCP protocol. See RFC 2131 */ #define DHCP_MAGIC 0x63825363 -/* DHCP option codes (partial list) */ +/* DHCP option codes (partial list). See RFC 2132. + * Commented out options are handled by common option machinery, + * uncommented ones have spacial cases (grep for them to see). + */ #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 /* _really_ ancient kind of NS */ -#define DHCP_DNS_SERVER 0x06 -#define DHCP_LOG_SERVER 0x07 +//#define DHCP_TIME_OFFSET 0x02 /* (localtime - UTC_time) in seconds. signed */ +//#define DHCP_ROUTER 0x03 +//#define DHCP_TIME_SERVER 0x04 /* RFC 868 time server (32-bit, 0 = 1.1.1900) */ +//#define DHCP_NAME_SERVER 0x05 /* IEN 116 _really_ ancient kind of NS */ +//#define DHCP_DNS_SERVER 0x06 +//#define DHCP_LOG_SERVER 0x07 /* port 704 UDP log (not syslog) //#define DHCP_COOKIE_SERVER 0x08 /* "quote of the day" server */ -#define DHCP_LPR_SERVER 0x09 +//#define DHCP_LPR_SERVER 0x09 #define DHCP_HOST_NAME 0x0c /* either client informs server or server gives name to client */ -#define DHCP_BOOT_SIZE 0x0d -#define DHCP_DOMAIN_NAME 0x0f /* server gives domain suffix */ -#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_BOOT_SIZE 0x0d +//#define DHCP_DOMAIN_NAME 0x0f /* server gives domain suffix */ +//#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_NIS_DOMAIN 0x28 +//#define DHCP_NIS_SERVER 0x29 +//#define DHCP_NTP_SERVER 0x2a +//#define DHCP_WINS_SERVER 0x2c #define DHCP_REQUESTED_IP 0x32 /* sent by client if specific IP is wanted */ #define DHCP_LEASE_TIME 0x33 #define DHCP_OPTION_OVERLOAD 0x34 #define DHCP_MESSAGE_TYPE 0x35 #define DHCP_SERVER_ID 0x36 /* by default server's IP */ #define DHCP_PARAM_REQ 0x37 /* list of options client wants */ -#define DHCP_MESSAGE 0x38 /* error message when sending NAK etc */ +//#define DHCP_ERR_MESSAGE 0x38 /* error message when sending NAK etc */ #define DHCP_MAX_SIZE 0x39 -//#define DHCP_T1 0x3a -//#define DHCP_T2 0x3b #define DHCP_VENDOR 0x3c /* client's vendor (a string) */ #define DHCP_CLIENT_ID 0x3d /* by default client's MAC addr, but may be arbitrarily long */ +//#define DHCP_TFTP_SERVER_NAME 0x42 /* same as 'sname' field */ +//#define DHCP_BOOT_FILE 0x43 /* same as 'file' field */ +//#define DHCP_USER_CLASS 0x4d /* RFC 3004. set of LASCII strings. "I am a printer" etc */ #define DHCP_FQDN 0x51 /* client asks to update DNS to map its FQDN to its new IP */ -#define DHCP_STATIC_ROUTES 0x79 -#define DHCP_END 0xFF +//#define DHCP_DOMAIN_SEARCH 0x77 /* RFC 3397. set of ASCIZ string, DNS-style compressed */ +//#define DHCP_STATIC_ROUTES 0x79 /* RFC 3442. (mask,ip,router) tuples */ +//#define DHCP_WPAD 0xfc /* MSIE's Web Proxy Autodiscovery Protocol */ +#define DHCP_END 0xff + + /* Offsets in option byte sequence */ #define OPT_CODE 0 #define OPT_LEN 1 @@ -106,8 +116,8 @@ 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; +void add_option_string(uint8_t *optionptr, uint8_t *string) FAST_FUNC; +void 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; |