2 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the University of California, Berkeley nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #include <netinet/in.h>
35 #include <arpa/inet.h>
37 #include "cmdline_parse.h"
38 #include "cmdline_parse_ipaddr.h"
40 struct cmdline_token_ops cmdline_token_ipaddr_ops = {
41 .parse = cmdline_parse_ipaddr,
42 .complete_get_nb = NULL,
43 .complete_get_elt = NULL,
44 .get_help = cmdline_get_help_ipaddr,
49 cmdline_parse_ipaddr(cmdline_parse_token_hdr_t *tk, const char *buf, void *res)
51 struct cmdline_token_ipaddr *tk2 = (struct cmdline_token_ipaddr *)tk;
52 unsigned int token_len = 0;
53 char ip_str[INET6_ADDRSTRLEN+4]; /* '+4' is for prefixlen (if any) */
54 cmdline_ipaddr_t *ipaddr = res;
55 char *prefix, *prefix_end;
61 while (!cmdline_isendoftoken(buf[token_len]))
64 /* if token is too big... */
65 if (token_len >= INET6_ADDRSTRLEN+4)
68 snprintf(ip_str, token_len+1, "%s", buf);
70 /* convert the network prefix */
71 if (tk2->ipaddr_data.flags & CMDLINE_IPADDR_NETWORK) {
72 prefix = strrchr(ip_str, '/');
78 prefixlen = strtol(prefix, &prefix_end, 10);
79 if (errno || (*prefix_end != '\0') )
81 ipaddr->prefixlen = prefixlen;
84 ipaddr->prefixlen = 0;
87 /* convert the IP addr */
88 if ((tk2->ipaddr_data.flags & CMDLINE_IPADDR_V4) &&
89 inet_pton(AF_INET, ip_str, &ipaddr->addr.ipv4) == 1) {
90 ipaddr->family = AF_INET;
93 if ((tk2->ipaddr_data.flags & CMDLINE_IPADDR_V6) &&
94 inet_pton(AF_INET6, ip_str, &ipaddr->addr.ipv6) == 1) {
95 ipaddr->family = AF_INET6;
102 int cmdline_get_help_ipaddr(cmdline_parse_token_hdr_t *tk, char *dstbuf,
105 struct cmdline_token_ipaddr *tk2 = (struct cmdline_token_ipaddr *)tk;
107 switch (tk2->ipaddr_data.flags) {
108 case CMDLINE_IPADDR_V4:
109 snprintf(dstbuf, size, "IPv4");
111 case CMDLINE_IPADDR_V6:
112 snprintf(dstbuf, size, "IPv6");
114 case CMDLINE_IPADDR_V4|CMDLINE_IPADDR_V6:
115 snprintf(dstbuf, size, "IPv4/IPv6");
117 case CMDLINE_IPADDR_NETWORK|CMDLINE_IPADDR_V4:
118 snprintf(dstbuf, size, "IPv4 network");
120 case CMDLINE_IPADDR_NETWORK|CMDLINE_IPADDR_V6:
121 snprintf(dstbuf, size, "IPv6 network");
123 case CMDLINE_IPADDR_NETWORK|CMDLINE_IPADDR_V4|CMDLINE_IPADDR_V6:
124 snprintf(dstbuf, size, "IPv4/IPv6 network");
127 snprintf(dstbuf, size, "IPaddr (bad flags)");