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6 * modification, are permitted provided that the following conditions
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36 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
37 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions are met:
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57 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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68 #include <netinet/in.h>
69 #include <arpa/inet.h>
71 #include "cmdline_parse.h"
72 #include "cmdline_parse_ipaddr.h"
74 struct cmdline_token_ops cmdline_token_ipaddr_ops = {
75 .parse = cmdline_parse_ipaddr,
76 .complete_get_nb = NULL,
77 .complete_get_elt = NULL,
78 .get_help = cmdline_get_help_ipaddr,
83 cmdline_parse_ipaddr(cmdline_parse_token_hdr_t *tk, const char *buf, void *res)
85 struct cmdline_token_ipaddr *tk2 = (struct cmdline_token_ipaddr *)tk;
86 unsigned int token_len = 0;
87 char ip_str[INET6_ADDRSTRLEN+4]; /* '+4' is for prefixlen (if any) */
88 cmdline_ipaddr_t *ipaddr = res;
89 char *prefix, *prefix_end;
95 while (!cmdline_isendoftoken(buf[token_len]))
98 /* if token is too big... */
99 if (token_len >= INET6_ADDRSTRLEN+4)
102 snprintf(ip_str, token_len+1, "%s", buf);
104 /* convert the network prefix */
105 if (tk2->ipaddr_data.flags & CMDLINE_IPADDR_NETWORK) {
106 prefix = strrchr(ip_str, '/');
112 prefixlen = strtol(prefix, &prefix_end, 10);
113 if (errno || (*prefix_end != '\0') )
115 ipaddr->prefixlen = prefixlen;
118 ipaddr->prefixlen = 0;
121 /* convert the IP addr */
122 if ((tk2->ipaddr_data.flags & CMDLINE_IPADDR_V4) &&
123 inet_pton(AF_INET, ip_str, &ipaddr->addr.ipv4) == 1) {
124 ipaddr->family = AF_INET;
127 if ((tk2->ipaddr_data.flags & CMDLINE_IPADDR_V6) &&
128 inet_pton(AF_INET6, ip_str, &ipaddr->addr.ipv6) == 1) {
129 ipaddr->family = AF_INET6;
136 int cmdline_get_help_ipaddr(cmdline_parse_token_hdr_t *tk, char *dstbuf,
139 struct cmdline_token_ipaddr *tk2 = (struct cmdline_token_ipaddr *)tk;
141 switch (tk2->ipaddr_data.flags) {
142 case CMDLINE_IPADDR_V4:
143 snprintf(dstbuf, size, "IPv4");
145 case CMDLINE_IPADDR_V6:
146 snprintf(dstbuf, size, "IPv6");
148 case CMDLINE_IPADDR_V4|CMDLINE_IPADDR_V6:
149 snprintf(dstbuf, size, "IPv4/IPv6");
151 case CMDLINE_IPADDR_NETWORK|CMDLINE_IPADDR_V4:
152 snprintf(dstbuf, size, "IPv4 network");
154 case CMDLINE_IPADDR_NETWORK|CMDLINE_IPADDR_V6:
155 snprintf(dstbuf, size, "IPv6 network");
157 case CMDLINE_IPADDR_NETWORK|CMDLINE_IPADDR_V4|CMDLINE_IPADDR_V6:
158 snprintf(dstbuf, size, "IPv4/IPv6 network");
161 snprintf(dstbuf, size, "IPaddr (bad flags)");