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author | Denys Vlasenko <vda.linux@googlemail.com> | 2011-11-07 15:55:39 +0100 |
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committer | Denys Vlasenko <vda.linux@googlemail.com> | 2011-11-07 15:55:39 +0100 |
commit | 9ba75048c0099ed90b9a64cb7bb57bf12be93528 (patch) | |
tree | 172ef8f52da2e4fc4ee0f52aef3234b3bd170f96 /networking/udhcp/d6_common.h | |
parent | 50089fc61c1dbb3d09c4bee21ab6d2aa44361ff9 (diff) | |
download | busybox-w32-9ba75048c0099ed90b9a64cb7bb57bf12be93528.tar.gz busybox-w32-9ba75048c0099ed90b9a64cb7bb57bf12be93528.tar.bz2 busybox-w32-9ba75048c0099ed90b9a64cb7bb57bf12be93528.zip |
udhcpc6: new applet. Not yet functional.
It builds. It sends Solicit packets. Not sure these packets are well-formed.
I have no server to test it against.
function old new delta
udhcpc6_main - 2426 +2426
d6_send_raw_packet - 428 +428
d6_send_kernel_packet - 274 +274
d6_recv_raw_packet - 248 +248
send_d6_discover - 177 +177
packed_usage 28795 28966 +171
d6_run_script - 156 +156
send_d6_renew - 140 +140
send_d6_release - 126 +126
d6_recv_kernel_packet - 116 +116
send_d6_select - 95 +95
perform_d6_release - 78 +78
d6_find_option - 74 +74
init_d6_packet - 54 +54
d6_copy_option - 48 +48
d6_mcast_from_client_config_ifindex - 42 +42
d6_dump_packet - 24 +24
static.FF02__1_2 - 16 +16
d6_store_blob - 13 +13
applet_names 2432 2440 +8
applet_main 1412 1416 +4
applet_nameofs 706 708 +2
add_d6_client_options - 1 +1
------------------------------------------------------------------------------
(add/remove: 21/0 grow/shrink: 4/0 up/down: 4721/0) Total: 4721 bytes
text data bss dec hex filename
879080 493 7584 887157 d8975 busybox_old
884585 497 7584 892666 d9efa busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'networking/udhcp/d6_common.h')
-rw-r--r-- | networking/udhcp/d6_common.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/networking/udhcp/d6_common.h b/networking/udhcp/d6_common.h new file mode 100644 index 000000000..88afaf8af --- /dev/null +++ b/networking/udhcp/d6_common.h | |||
@@ -0,0 +1,118 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* | ||
3 | * Copyright (C) 2011 Denys Vlasenko. | ||
4 | * | ||
5 | * Licensed under GPLv2, see file LICENSE in this source tree. | ||
6 | */ | ||
7 | #ifndef UDHCP_D6_COMMON_H | ||
8 | #define UDHCP_D6_COMMON_H 1 | ||
9 | |||
10 | #include <netinet/ip6.h> | ||
11 | |||
12 | PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN | ||
13 | |||
14 | |||
15 | /*** DHCPv6 packet ***/ | ||
16 | |||
17 | /* DHCPv6 protocol. See RFC 3315 */ | ||
18 | #define D6_MSG_SOLICIT 1 | ||
19 | #define D6_MSG_ADVERTISE 2 | ||
20 | #define D6_MSG_REQUEST 3 | ||
21 | #define D6_MSG_CONFIRM 4 | ||
22 | #define D6_MSG_RENEW 5 | ||
23 | #define D6_MSG_REBIND 6 | ||
24 | #define D6_MSG_REPLY 7 | ||
25 | #define D6_MSG_RELEASE 8 | ||
26 | #define D6_MSG_DECLINE 9 | ||
27 | #define D6_MSG_RECONFIGURE 10 | ||
28 | #define D6_MSG_INFORMATION_REQUEST 11 | ||
29 | #define D6_MSG_RELAY_FORW 12 | ||
30 | #define D6_MSG_RELAY_REPL 13 | ||
31 | |||
32 | struct d6_packet { | ||
33 | union { | ||
34 | uint8_t d6_msg_type; | ||
35 | uint32_t d6_xid32; | ||
36 | } d6_u; | ||
37 | uint8_t d6_options[576 - sizeof(struct iphdr) - sizeof(struct udphdr) - 4 | ||
38 | + CONFIG_UDHCPC_SLACK_FOR_BUGGY_SERVERS]; | ||
39 | } PACKED; | ||
40 | #define d6_msg_type d6_u.d6_msg_type | ||
41 | #define d6_xid32 d6_u.d6_xid32 | ||
42 | |||
43 | struct ip6_udp_d6_packet { | ||
44 | struct ip6_hdr ip6; | ||
45 | struct udphdr udp; | ||
46 | struct d6_packet data; | ||
47 | } PACKED; | ||
48 | |||
49 | struct udp_d6_packet { | ||
50 | struct udphdr udp; | ||
51 | struct d6_packet data; | ||
52 | } PACKED; | ||
53 | |||
54 | /*** Options ***/ | ||
55 | |||
56 | struct d6_option { | ||
57 | uint8_t code; | ||
58 | uint8_t code_hi; | ||
59 | uint8_t len; | ||
60 | uint8_t len_hi; | ||
61 | uint8_t data[1]; | ||
62 | } PACKED; | ||
63 | |||
64 | #define D6_OPT_CLIENTID 1 | ||
65 | #define D6_OPT_SERVERID 2 | ||
66 | #define D6_OPT_IA_NA 3 | ||
67 | #define D6_OPT_IA_TA 4 | ||
68 | #define D6_OPT_IAADDR 5 | ||
69 | #define D6_OPT_ORO 6 | ||
70 | #define D6_OPT_PREFERENCE 7 | ||
71 | #define D6_OPT_ELAPSED_TIME 8 | ||
72 | #define D6_OPT_RELAY_MSG 9 | ||
73 | #define D6_OPT_AUTH 11 | ||
74 | #define D6_OPT_UNICAST 12 | ||
75 | #define D6_OPT_STATUS_CODE 13 | ||
76 | #define D6_OPT_RAPID_COMMIT 14 | ||
77 | #define D6_OPT_USER_CLASS 15 | ||
78 | #define D6_OPT_VENDOR_CLASS 16 | ||
79 | #define D6_OPT_VENDOR_OPTS 17 | ||
80 | #define D6_OPT_INTERFACE_ID 18 | ||
81 | #define D6_OPT_RECONF_MSG 19 | ||
82 | #define D6_OPT_RECONF_ACCEPT 20 | ||
83 | |||
84 | /*** Other shared functions ***/ | ||
85 | |||
86 | struct client6_data_t { | ||
87 | struct d6_option *server_id; | ||
88 | struct d6_option *ia_na; | ||
89 | }; | ||
90 | |||
91 | #define client6_data (*(struct client6_data_t*)(&bb_common_bufsiz1[COMMON_BUFSIZE - sizeof(struct client6_data_t)])) | ||
92 | |||
93 | int FAST_FUNC d6_listen_socket(int port, const char *inf); | ||
94 | |||
95 | int FAST_FUNC d6_recv_kernel_packet( | ||
96 | struct in6_addr *peer_ipv6, | ||
97 | struct d6_packet *packet, int fd | ||
98 | ); | ||
99 | |||
100 | int FAST_FUNC d6_send_raw_packet( | ||
101 | struct d6_packet *d6_pkt, unsigned d6_pkt_size, | ||
102 | struct in6_addr *src_ipv6, int source_port, | ||
103 | struct in6_addr *dst_ipv6, int dest_port, const uint8_t *dest_arp, | ||
104 | int ifindex | ||
105 | ); | ||
106 | |||
107 | int FAST_FUNC d6_send_kernel_packet( | ||
108 | struct d6_packet *d6_pkt, unsigned d6_pkt_size, | ||
109 | struct in6_addr *src_ipv6, int source_port, | ||
110 | struct in6_addr *dst_ipv6, int dest_port | ||
111 | ); | ||
112 | |||
113 | void FAST_FUNC d6_dump_packet(struct d6_packet *packet); | ||
114 | |||
115 | |||
116 | POP_SAVED_FUNCTION_VISIBILITY | ||
117 | |||
118 | #endif | ||