1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation.
3 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
14 #include <arpa/inet.h>
15 #include <netinet/in.h>
17 #include <sys/socket.h>
20 #include <rte_string_fns.h>
22 #include "cmdline_parse.h"
23 #include "cmdline_parse_ipaddr.h"
25 struct cmdline_token_ops cmdline_token_ipaddr_ops = {
26 .parse = cmdline_parse_ipaddr,
27 .complete_get_nb = NULL,
28 .complete_get_elt = NULL,
29 .get_help = cmdline_get_help_ipaddr,
33 #define V4PREFIXMAX 32
36 cmdline_parse_ipaddr(cmdline_parse_token_hdr_t *tk, const char *buf, void *res,
39 struct cmdline_token_ipaddr *tk2;
40 unsigned int token_len = 0;
41 char ip_str[INET6_ADDRSTRLEN+4+1]; /* '+4' is for prefixlen (if any) */
42 cmdline_ipaddr_t ipaddr;
43 char *prefix, *prefix_end;
46 if (res && ressize < sizeof(cmdline_ipaddr_t))
49 if (!buf || !tk || ! *buf)
52 tk2 = (struct cmdline_token_ipaddr *)tk;
54 while (!cmdline_isendoftoken(buf[token_len]))
57 /* if token is too big... */
58 if (token_len >= INET6_ADDRSTRLEN+4)
61 strlcpy(ip_str, buf, token_len + 1);
63 /* convert the network prefix */
64 if (tk2->ipaddr_data.flags & CMDLINE_IPADDR_NETWORK) {
65 prefix = strrchr(ip_str, '/');
71 prefixlen = strtol(prefix, &prefix_end, 10);
72 if (errno || (*prefix_end != '\0')
73 || prefixlen < 0 || prefixlen > PREFIXMAX)
75 ipaddr.prefixlen = prefixlen;
81 /* convert the IP addr */
82 if ((tk2->ipaddr_data.flags & CMDLINE_IPADDR_V4) &&
83 inet_pton(AF_INET, ip_str, &ipaddr.addr.ipv4) == 1 &&
84 prefixlen <= V4PREFIXMAX) {
85 ipaddr.family = AF_INET;
87 memcpy(res, &ipaddr, sizeof(ipaddr));
90 if ((tk2->ipaddr_data.flags & CMDLINE_IPADDR_V6) &&
91 inet_pton(AF_INET6, ip_str, &ipaddr.addr.ipv6) == 1) {
92 ipaddr.family = AF_INET6;
94 memcpy(res, &ipaddr, sizeof(ipaddr));
101 int cmdline_get_help_ipaddr(cmdline_parse_token_hdr_t *tk, char *dstbuf,
104 struct cmdline_token_ipaddr *tk2;
109 tk2 = (struct cmdline_token_ipaddr *)tk;
111 switch (tk2->ipaddr_data.flags) {
112 case CMDLINE_IPADDR_V4:
113 snprintf(dstbuf, size, "IPv4");
115 case CMDLINE_IPADDR_V6:
116 snprintf(dstbuf, size, "IPv6");
118 case CMDLINE_IPADDR_V4|CMDLINE_IPADDR_V6:
119 snprintf(dstbuf, size, "IPv4/IPv6");
121 case CMDLINE_IPADDR_NETWORK|CMDLINE_IPADDR_V4:
122 snprintf(dstbuf, size, "IPv4 network");
124 case CMDLINE_IPADDR_NETWORK|CMDLINE_IPADDR_V6:
125 snprintf(dstbuf, size, "IPv6 network");
127 case CMDLINE_IPADDR_NETWORK|CMDLINE_IPADDR_V4|CMDLINE_IPADDR_V6:
128 snprintf(dstbuf, size, "IPv4/IPv6 network");
131 snprintf(dstbuf, size, "IPaddr (bad flags)");