2 This file is part of catta.
4 catta is free software; you can redistribute it and/or modify it
5 under the terms of the GNU Lesser General Public License as
6 published by the Free Software Foundation; either version 2.1 of the
7 License, or (at your option) any later version.
9 catta is distributed in the hope that it will be useful, but WITHOUT
10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
11 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
12 Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with catta; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
24 #include <sys/types.h>
25 #include <netinet/in.h>
26 #include <sys/socket.h>
27 #include <arpa/inet.h>
32 #include <catta/address.h>
33 #include <catta/malloc.h>
35 static size_t address_get_size(const CattaAddress *a) {
38 if (a->proto == CATTA_PROTO_INET)
40 else if (a->proto == CATTA_PROTO_INET6)
46 int catta_address_cmp(const CattaAddress *a, const CattaAddress *b) {
50 if (a->proto != b->proto)
53 return memcmp(a->data.data, b->data.data, address_get_size(a));
56 char *catta_address_snprint(char *s, size_t length, const CattaAddress *a) {
61 if (!(inet_ntop(catta_proto_to_af(a->proto), a->data.data, s, length)))
67 char* catta_reverse_lookup_name(const CattaAddress *a, char *ret_s, size_t length) {
72 if (a->proto == CATTA_PROTO_INET) {
73 uint32_t n = ntohl(a->data.ipv4.address);
76 "%u.%u.%u.%u.in-addr.arpa",
77 n & 0xFF, (n >> 8) & 0xFF, (n >> 16) & 0xFF, n >> 24);
79 assert(a->proto == CATTA_PROTO_INET6);
83 "%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.ip6.arpa",
84 a->data.ipv6.address[15] & 0xF, a->data.ipv6.address[15] >> 4,
85 a->data.ipv6.address[14] & 0xF, a->data.ipv6.address[14] >> 4,
86 a->data.ipv6.address[13] & 0xF, a->data.ipv6.address[13] >> 4,
87 a->data.ipv6.address[12] & 0xF, a->data.ipv6.address[12] >> 4,
88 a->data.ipv6.address[11] & 0xF, a->data.ipv6.address[11] >> 4,
89 a->data.ipv6.address[10] & 0xF, a->data.ipv6.address[10] >> 4,
90 a->data.ipv6.address[ 9] & 0xF, a->data.ipv6.address[ 9] >> 4,
91 a->data.ipv6.address[ 8] & 0xF, a->data.ipv6.address[ 8] >> 4,
92 a->data.ipv6.address[ 7] & 0xF, a->data.ipv6.address[ 7] >> 4,
93 a->data.ipv6.address[ 6] & 0xF, a->data.ipv6.address[ 6] >> 4,
94 a->data.ipv6.address[ 5] & 0xF, a->data.ipv6.address[ 5] >> 4,
95 a->data.ipv6.address[ 4] & 0xF, a->data.ipv6.address[ 4] >> 4,
96 a->data.ipv6.address[ 3] & 0xF, a->data.ipv6.address[ 3] >> 4,
97 a->data.ipv6.address[ 2] & 0xF, a->data.ipv6.address[ 2] >> 4,
98 a->data.ipv6.address[ 1] & 0xF, a->data.ipv6.address[ 1] >> 4,
99 a->data.ipv6.address[ 0] & 0xF, a->data.ipv6.address[ 0] >> 4);
105 CattaAddress *catta_address_parse(const char *s, CattaProtocol proto, CattaAddress *ret_addr) {
109 if (proto == CATTA_PROTO_UNSPEC) {
110 if (inet_pton(AF_INET, s, ret_addr->data.data) <= 0) {
111 if (inet_pton(AF_INET6, s, ret_addr->data.data) <= 0)
114 ret_addr->proto = CATTA_PROTO_INET6;
116 ret_addr->proto = CATTA_PROTO_INET;
118 if (inet_pton(catta_proto_to_af(proto), s, ret_addr->data.data) <= 0)
121 ret_addr->proto = proto;
127 int catta_proto_to_af(CattaProtocol proto) {
128 if (proto == CATTA_PROTO_INET)
130 if (proto == CATTA_PROTO_INET6)
133 assert(proto == CATTA_PROTO_UNSPEC);
137 CattaProtocol catta_af_to_proto(int af) {
139 return CATTA_PROTO_INET;
141 return CATTA_PROTO_INET6;
143 assert(af == AF_UNSPEC);
144 return CATTA_PROTO_UNSPEC;
147 const char* catta_proto_to_string(CattaProtocol proto) {
148 if (proto == CATTA_PROTO_INET)
150 if (proto == CATTA_PROTO_INET6)
153 assert(proto == CATTA_PROTO_UNSPEC);