summaryrefslogtreecommitdiff
path: root/src/lib/libc/net/linkaddr.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/libc/net/linkaddr.c')
-rw-r--r--src/lib/libc/net/linkaddr.c80
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
47void
48link_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
114static char hexlist[] = "0123456789abcdef"; 36static char hexlist[] = "0123456789abcdef";
115 37
116char * 38char *