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-rw-r--r--networking/udhcp/options.h119
1 files changed, 0 insertions, 119 deletions
diff --git a/networking/udhcp/options.h b/networking/udhcp/options.h
deleted file mode 100644
index 3ca4dc42d..000000000
--- a/networking/udhcp/options.h
+++ /dev/null
@@ -1,119 +0,0 @@
1/* vi: set sw=4 ts=4: */
2/* options.h */
3#ifndef UDHCP_OPTIONS_H
4#define UDHCP_OPTIONS_H 1
5
6PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
7
8
9enum {
10 OPTION_IP = 1,
11 OPTION_IP_PAIR,
12 OPTION_STRING,
13#if ENABLE_FEATURE_UDHCP_RFC3397
14 OPTION_STR1035, /* RFC1035 compressed domain name list */
15#endif
16 OPTION_BOOLEAN,
17 OPTION_U8,
18 OPTION_U16,
19 OPTION_S16,
20 OPTION_U32,
21 OPTION_S32,
22 OPTION_STATIC_ROUTES,
23
24 OPTION_TYPE_MASK = 0x0f,
25 /* Client requests this option by default */
26 OPTION_REQ = 0x10,
27 /* There can be a list of 1 or more of these */
28 OPTION_LIST = 0x20,
29};
30
31/* DHCP option codes (partial list). See RFC 2132 and
32 * http://www.iana.org/assignments/bootp-dhcp-parameters/
33 * Commented out options are handled by common option machinery,
34 * uncommented ones have spacial cases (grep for them to see).
35 */
36#define DHCP_PADDING 0x00
37#define DHCP_SUBNET 0x01
38//#define DHCP_TIME_OFFSET 0x02 /* (localtime - UTC_time) in seconds. signed */
39//#define DHCP_ROUTER 0x03
40//#define DHCP_TIME_SERVER 0x04 /* RFC 868 time server (32-bit, 0 = 1.1.1900) */
41//#define DHCP_NAME_SERVER 0x05 /* IEN 116 _really_ ancient kind of NS */
42//#define DHCP_DNS_SERVER 0x06
43//#define DHCP_LOG_SERVER 0x07 /* port 704 UDP log (not syslog)
44//#define DHCP_COOKIE_SERVER 0x08 /* "quote of the day" server */
45//#define DHCP_LPR_SERVER 0x09
46#define DHCP_HOST_NAME 0x0c /* either client informs server or server gives name to client */
47//#define DHCP_BOOT_SIZE 0x0d
48//#define DHCP_DOMAIN_NAME 0x0f /* server gives domain suffix */
49//#define DHCP_SWAP_SERVER 0x10
50//#define DHCP_ROOT_PATH 0x11
51//#define DHCP_IP_TTL 0x17
52//#define DHCP_MTU 0x1a
53//#define DHCP_BROADCAST 0x1c
54//#define DHCP_NIS_DOMAIN 0x28
55//#define DHCP_NIS_SERVER 0x29
56//#define DHCP_NTP_SERVER 0x2a
57//#define DHCP_WINS_SERVER 0x2c
58#define DHCP_REQUESTED_IP 0x32 /* sent by client if specific IP is wanted */
59#define DHCP_LEASE_TIME 0x33
60#define DHCP_OPTION_OVERLOAD 0x34
61#define DHCP_MESSAGE_TYPE 0x35
62#define DHCP_SERVER_ID 0x36 /* by default server's IP */
63#define DHCP_PARAM_REQ 0x37 /* list of options client wants */
64//#define DHCP_ERR_MESSAGE 0x38 /* error message when sending NAK etc */
65#define DHCP_MAX_SIZE 0x39
66#define DHCP_VENDOR 0x3c /* client's vendor (a string) */
67#define DHCP_CLIENT_ID 0x3d /* by default client's MAC addr, but may be arbitrarily long */
68//#define DHCP_TFTP_SERVER_NAME 0x42 /* same as 'sname' field */
69//#define DHCP_BOOT_FILE 0x43 /* same as 'file' field */
70//#define DHCP_USER_CLASS 0x4d /* RFC 3004. set of LASCII strings. "I am a printer" etc */
71#define DHCP_FQDN 0x51 /* client asks to update DNS to map its FQDN to its new IP */
72//#define DHCP_DOMAIN_SEARCH 0x77 /* RFC 3397. set of ASCIZ string, DNS-style compressed */
73//#define DHCP_STATIC_ROUTES 0x79 /* RFC 3442. (mask,ip,router) tuples */
74//#define DHCP_WPAD 0xfc /* MSIE's Web Proxy Autodiscovery Protocol */
75#define DHCP_END 0xff
76
77/* Offsets in option byte sequence */
78#define OPT_CODE 0
79#define OPT_LEN 1
80#define OPT_DATA 2
81/* Bits in "overload" option */
82#define OPTION_FIELD 0
83#define FILE_FIELD 1
84#define SNAME_FIELD 2
85
86/* DHCP_MESSAGE_TYPE values */
87#define DHCPDISCOVER 1 /* client -> server */
88#define DHCPOFFER 2 /* client <- server */
89#define DHCPREQUEST 3 /* client -> server */
90#define DHCPDECLINE 4 /* client -> server */
91#define DHCPACK 5 /* client <- server */
92#define DHCPNAK 6 /* client <- server */
93#define DHCPRELEASE 7 /* client -> server */
94#define DHCPINFORM 8 /* client -> server */
95#define DHCP_MINTYPE DHCPDISCOVER
96#define DHCP_MAXTYPE DHCPINFORM
97
98
99struct dhcp_option {
100 uint8_t flags;
101 uint8_t code;
102};
103
104extern const struct dhcp_option dhcp_options[];
105extern const char dhcp_option_strings[];
106extern const uint8_t dhcp_option_lengths[];
107
108uint8_t *get_option(struct dhcp_packet *packet, int code) FAST_FUNC;
109int end_option(uint8_t *optionptr) FAST_FUNC;
110void add_option_string(uint8_t *optionptr, uint8_t *string) FAST_FUNC;
111void add_simple_option(uint8_t *optionptr, uint8_t code, uint32_t data) FAST_FUNC;
112#if ENABLE_FEATURE_UDHCP_RFC3397
113char *dname_dec(const uint8_t *cstr, int clen, const char *pre) FAST_FUNC;
114uint8_t *dname_enc(const uint8_t *cstr, int clen, const char *src, int *retlen) FAST_FUNC;
115#endif
116
117POP_SAVED_FUNCTION_VISIBILITY
118
119#endif