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author | mpi <> | 2015-09-10 08:55:03 +0000 |
---|---|---|
committer | mpi <> | 2015-09-10 08:55:03 +0000 |
commit | f4a4d0ccce6152a6e48d345c33b3db9dbdaad529 (patch) | |
tree | ea9141da77f5fe91ab8c243446511127e8420f6b /src/lib/libc/net/linkaddr.c | |
parent | a57a02cff3b4a8e50efcf63a01ff0b7176072766 (diff) | |
download | openbsd-f4a4d0ccce6152a6e48d345c33b3db9dbdaad529.tar.gz openbsd-f4a4d0ccce6152a6e48d345c33b3db9dbdaad529.tar.bz2 openbsd-f4a4d0ccce6152a6e48d345c33b3db9dbdaad529.zip |
Remove link_addr(3). A function to encode the name of an interface in
a sockaddr_dl is a questionnable interface. But now it makes it harder
to properly reference ifp becauses of this.
Set sdl_index to the index of the corresponding interface when
constructing a routing message.
Ridding previous libc crank.
ok guenther@, deraadt@, dlg@
Diffstat (limited to 'src/lib/libc/net/linkaddr.c')
-rw-r--r-- | src/lib/libc/net/linkaddr.c | 80 |
1 files changed, 1 insertions, 79 deletions
diff --git a/src/lib/libc/net/linkaddr.c b/src/lib/libc/net/linkaddr.c index ac96f3acdf..8f90aca8f5 100644 --- a/src/lib/libc/net/linkaddr.c +++ b/src/lib/libc/net/linkaddr.c | |||
@@ -1,4 +1,4 @@ | |||
1 | /* $OpenBSD: linkaddr.c,v 1.5 2005/08/06 20:30:03 espie Exp $ */ | 1 | /* $OpenBSD: linkaddr.c,v 1.6 2015/09/10 08:55:03 mpi Exp $ */ |
2 | /*- | 2 | /*- |
3 | * Copyright (c) 1990, 1993 | 3 | * Copyright (c) 1990, 1993 |
4 | * The Regents of the University of California. All rights reserved. | 4 | * The Regents of the University of California. All rights reserved. |
@@ -33,84 +33,6 @@ | |||
33 | #include <net/if_dl.h> | 33 | #include <net/if_dl.h> |
34 | #include <string.h> | 34 | #include <string.h> |
35 | 35 | ||
36 | /* States*/ | ||
37 | #define NAMING 0 | ||
38 | #define GOTONE 1 | ||
39 | #define GOTTWO 2 | ||
40 | #define RESET 3 | ||
41 | /* Inputs */ | ||
42 | #define DIGIT (4*0) | ||
43 | #define END (4*1) | ||
44 | #define DELIM (4*2) | ||
45 | #define LETTER (4*3) | ||
46 | |||
47 | void | ||
48 | link_addr(const char *addr, struct sockaddr_dl *sdl) | ||
49 | { | ||
50 | char *cp = sdl->sdl_data; | ||
51 | char *cplim = sdl->sdl_len + (char *)sdl; | ||
52 | int byte = 0, state = NAMING, new; | ||
53 | |||
54 | bzero((char *)&sdl->sdl_family, sdl->sdl_len - 1); | ||
55 | sdl->sdl_family = AF_LINK; | ||
56 | do { | ||
57 | state &= ~LETTER; | ||
58 | if ((*addr >= '0') && (*addr <= '9')) { | ||
59 | new = *addr - '0'; | ||
60 | } else if ((*addr >= 'a') && (*addr <= 'f')) { | ||
61 | new = *addr - 'a' + 10; | ||
62 | } else if ((*addr >= 'A') && (*addr <= 'F')) { | ||
63 | new = *addr - 'A' + 10; | ||
64 | } else if (*addr == 0) { | ||
65 | state |= END; | ||
66 | } else if (state == NAMING && | ||
67 | (((*addr >= 'A') && (*addr <= 'Z')) || | ||
68 | ((*addr >= 'a') && (*addr <= 'z')))) | ||
69 | state |= LETTER; | ||
70 | else | ||
71 | state |= DELIM; | ||
72 | addr++; | ||
73 | switch (state /* | INPUT */) { | ||
74 | case NAMING | DIGIT: | ||
75 | case NAMING | LETTER: | ||
76 | *cp++ = addr[-1]; | ||
77 | continue; | ||
78 | case NAMING | DELIM: | ||
79 | state = RESET; | ||
80 | sdl->sdl_nlen = cp - sdl->sdl_data; | ||
81 | continue; | ||
82 | case GOTTWO | DIGIT: | ||
83 | *cp++ = byte; | ||
84 | /* FALLTHROUGH */ | ||
85 | case RESET | DIGIT: | ||
86 | state = GOTONE; | ||
87 | byte = new; | ||
88 | continue; | ||
89 | case GOTONE | DIGIT: | ||
90 | state = GOTTWO; | ||
91 | byte = new + (byte << 4); | ||
92 | continue; | ||
93 | default: /* | DELIM */ | ||
94 | state = RESET; | ||
95 | *cp++ = byte; | ||
96 | byte = 0; | ||
97 | continue; | ||
98 | case GOTONE | END: | ||
99 | case GOTTWO | END: | ||
100 | *cp++ = byte; | ||
101 | /* FALLTHROUGH */ | ||
102 | case RESET | END: | ||
103 | break; | ||
104 | } | ||
105 | break; | ||
106 | } while (cp < cplim); | ||
107 | sdl->sdl_alen = cp - LLADDR(sdl); | ||
108 | new = cp - (char *)sdl; | ||
109 | if (new > sizeof(*sdl)) | ||
110 | sdl->sdl_len = new; | ||
111 | return; | ||
112 | } | ||
113 | |||
114 | static char hexlist[] = "0123456789abcdef"; | 36 | static char hexlist[] = "0123456789abcdef"; |
115 | 37 | ||
116 | char * | 38 | char * |