1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
/*-
* BSD LICENSE
*
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the University of California, Berkeley nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <errno.h>
#include <inttypes.h>
#include <ctype.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <net/ethernet.h>
#include <rte_string_fns.h>
#include "cmdline_parse.h"
#include "cmdline_parse_etheraddr.h"
struct cmdline_token_ops cmdline_token_etheraddr_ops = {
.parse = cmdline_parse_etheraddr,
.complete_get_nb = NULL,
.complete_get_elt = NULL,
.get_help = cmdline_get_help_etheraddr,
};
/* the format can be either XX:XX:XX:XX:XX:XX or XXXX:XXXX:XXXX */
#define ETHER_ADDRSTRLENLONG 18
#define ETHER_ADDRSTRLENSHORT 15
#ifdef __linux__
#define ea_oct ether_addr_octet
#else
#define ea_oct octet
#endif
static struct ether_addr *
my_ether_aton(const char *a)
{
int i;
char *end;
unsigned long o[ETHER_ADDR_LEN];
static struct ether_addr ether_addr;
i = 0;
do {
errno = 0;
o[i] = strtoul(a, &end, 16);
if (errno != 0 || end == a || (end[0] != ':' && end[0] != 0))
return (NULL);
a = end + 1;
} while (++i != sizeof (o) / sizeof (o[0]) && end[0] != 0);
/* Junk at the end of line */
if (end[0] != 0)
return (NULL);
/* Support the format XX:XX:XX:XX:XX:XX */
if (i == ETHER_ADDR_LEN) {
while (i-- != 0) {
if (o[i] > UINT8_MAX)
return (NULL);
ether_addr.ea_oct[i] = (uint8_t)o[i];
}
/* Support the format XXXX:XXXX:XXXX */
} else if (i == ETHER_ADDR_LEN / 2) {
while (i-- != 0) {
if (o[i] > UINT16_MAX)
return (NULL);
ether_addr.ea_oct[i * 2] = (uint8_t)(o[i] >> 8);
ether_addr.ea_oct[i * 2 + 1] = (uint8_t)(o[i] & 0xff);
}
/* unknown format */
} else
return (NULL);
return (struct ether_addr *)ðer_addr;
}
int
cmdline_parse_etheraddr(__attribute__((unused)) cmdline_parse_token_hdr_t *tk,
const char *buf, void *res, unsigned ressize)
{
unsigned int token_len = 0;
char ether_str[ETHER_ADDRSTRLENLONG+1];
struct ether_addr *tmp;
if (res && ressize < sizeof(struct ether_addr))
return -1;
if (!buf || ! *buf)
return -1;
while (!cmdline_isendoftoken(buf[token_len]))
token_len++;
/* if token doesn't match possible string lengths... */
if ((token_len != ETHER_ADDRSTRLENLONG - 1) &&
(token_len != ETHER_ADDRSTRLENSHORT - 1))
return -1;
snprintf(ether_str, token_len+1, "%s", buf);
tmp = my_ether_aton(ether_str);
if (tmp == NULL)
return -1;
if (res)
memcpy(res, tmp, sizeof(struct ether_addr));
return token_len;
}
int
cmdline_get_help_etheraddr(__attribute__((unused)) cmdline_parse_token_hdr_t *tk,
char *dstbuf, unsigned int size)
{
int ret;
ret = snprintf(dstbuf, size, "Ethernet address");
if (ret < 0)
return -1;
return 0;
}
|
