4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * * Neither the name of Intel Corporation nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
36 * All rights reserved.
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions are met:
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
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43 * notice, this list of conditions and the following disclaimer in the
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46 * names of its contributors may be used to endorse or promote products
47 * derived from this software without specific prior written permission.
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50 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
51 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
52 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
53 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
54 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
55 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
56 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
57 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
58 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
68 #include <arpa/inet.h>
69 #include <netinet/in.h>
72 #include <net/socket.h>
74 #include <sys/socket.h>
78 #include <rte_string_fns.h>
80 #include "cmdline_parse.h"
81 #include "cmdline_parse_ipaddr.h"
83 struct cmdline_token_ops cmdline_token_ipaddr_ops = {
84 .parse = cmdline_parse_ipaddr,
85 .complete_get_nb = NULL,
86 .complete_get_elt = NULL,
87 .get_help = cmdline_get_help_ipaddr,
91 #define V4PREFIXMAX 32
94 cmdline_parse_ipaddr(cmdline_parse_token_hdr_t *tk, const char *buf, void *res,
97 struct cmdline_token_ipaddr *tk2;
98 unsigned int token_len = 0;
99 char ip_str[INET6_ADDRSTRLEN+4+1]; /* '+4' is for prefixlen (if any) */
100 cmdline_ipaddr_t ipaddr;
101 char *prefix, *prefix_end;
104 if (res && ressize < sizeof(cmdline_ipaddr_t))
107 if (!buf || !tk || ! *buf)
110 tk2 = (struct cmdline_token_ipaddr *)tk;
112 while (!cmdline_isendoftoken(buf[token_len]))
115 /* if token is too big... */
116 if (token_len >= INET6_ADDRSTRLEN+4)
119 snprintf(ip_str, token_len+1, "%s", buf);
121 /* convert the network prefix */
122 if (tk2->ipaddr_data.flags & CMDLINE_IPADDR_NETWORK) {
123 prefix = strrchr(ip_str, '/');
129 prefixlen = strtol(prefix, &prefix_end, 10);
130 if (errno || (*prefix_end != '\0')
131 || prefixlen < 0 || prefixlen > PREFIXMAX)
133 ipaddr.prefixlen = prefixlen;
136 ipaddr.prefixlen = 0;
139 /* convert the IP addr */
140 if ((tk2->ipaddr_data.flags & CMDLINE_IPADDR_V4) &&
141 inet_pton(AF_INET, ip_str, &ipaddr.addr.ipv4) == 1 &&
142 prefixlen <= V4PREFIXMAX) {
143 ipaddr.family = AF_INET;
145 memcpy(res, &ipaddr, sizeof(ipaddr));
148 if ((tk2->ipaddr_data.flags & CMDLINE_IPADDR_V6) &&
149 inet_pton(AF_INET6, ip_str, &ipaddr.addr.ipv6) == 1) {
150 ipaddr.family = AF_INET6;
152 memcpy(res, &ipaddr, sizeof(ipaddr));
159 int cmdline_get_help_ipaddr(cmdline_parse_token_hdr_t *tk, char *dstbuf,
162 struct cmdline_token_ipaddr *tk2;
167 tk2 = (struct cmdline_token_ipaddr *)tk;
169 switch (tk2->ipaddr_data.flags) {
170 case CMDLINE_IPADDR_V4:
171 snprintf(dstbuf, size, "IPv4");
173 case CMDLINE_IPADDR_V6:
174 snprintf(dstbuf, size, "IPv6");
176 case CMDLINE_IPADDR_V4|CMDLINE_IPADDR_V6:
177 snprintf(dstbuf, size, "IPv4/IPv6");
179 case CMDLINE_IPADDR_NETWORK|CMDLINE_IPADDR_V4:
180 snprintf(dstbuf, size, "IPv4 network");
182 case CMDLINE_IPADDR_NETWORK|CMDLINE_IPADDR_V6:
183 snprintf(dstbuf, size, "IPv6 network");
185 case CMDLINE_IPADDR_NETWORK|CMDLINE_IPADDR_V4|CMDLINE_IPADDR_V6:
186 snprintf(dstbuf, size, "IPv4/IPv6 network");
189 snprintf(dstbuf, size, "IPaddr (bad flags)");