forked from acouzens/open5gs
134 lines
4.5 KiB
C
134 lines
4.5 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
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*
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* This file is part of Open5GS.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#if !defined(OGS_CORE_INSIDE) && !defined(OGS_CORE_COMPILATION)
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#error "This header cannot be included directly."
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#endif
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#ifndef OGS_SOCKADDR_H
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#define OGS_SOCKADDR_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct ogs_sockaddr_s ogs_sockaddr_t;
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struct ogs_sockaddr_s {
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/* Reserved Area
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* - Should not add any atrribute in this area.
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*
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* e.g)
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* struct sockaddr addr;
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* ...
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* sockaddr_len((ogs_sockaddr_t *)&addr);
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*/
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#define ogs_sa_family sa.sa_family
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#define ogs_sin_port sin.sin_port
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union {
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struct sockaddr_storage ss;
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struct sockaddr_in sin;
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struct sockaddr_in6 sin6;
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struct sockaddr sa;
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};
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/*
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* First we created a 'hostname' variable.
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* If there is a name in the configuration file,
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* it is set in the 'hostname' of ogs_sockaddr_t.
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* Then, it immediately call getaddrinfo() to fill addr in ogs_sockaddr_t.
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*
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* When it was always possible to convert DNS to addr, that was no problem.
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* However, in some environments, such as Roaming, there are situations
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* where it is difficult to always change the DNS to addr.
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*
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* So, 'fqdn' was created for the purpose of first use in ogs_sbi_client_t.
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* 'fqdn' always do not change with addr.
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* This value is used as it is in the actual client connection.
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*
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* Note that 'hostname' is still in use for server or other client
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* except for ogs_sbi_client_t.
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*/
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char *hostname;
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char *fqdn;
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ogs_sockaddr_t *next;
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};
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typedef struct ogs_ipsubnet_s {
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int family;
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uint32_t sub[4]; /* big enough for IPv4 and IPv6 addresses */
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uint32_t mask[4];
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} ogs_ipsubnet_t;
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int ogs_getaddrinfo(ogs_sockaddr_t **sa_list,
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int family, const char *hostname, uint16_t port, int flags);
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int ogs_freeaddrinfo(ogs_sockaddr_t *sa_list);
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int ogs_addaddrinfo(ogs_sockaddr_t **sa_list,
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int family, const char *hostname, uint16_t port, int flags);
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int ogs_copyaddrinfo(
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ogs_sockaddr_t **dst, const ogs_sockaddr_t *src);
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int ogs_filteraddrinfo(ogs_sockaddr_t **sa_list, int family);
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int ogs_sortaddrinfo(ogs_sockaddr_t **sa_list, int family);
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ogs_sockaddr_t *ogs_link_local_addr(const char *dev, const ogs_sockaddr_t *sa);
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ogs_sockaddr_t *ogs_link_local_addr_by_dev(const char *dev);
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ogs_sockaddr_t *ogs_link_local_addr_by_sa(const ogs_sockaddr_t *sa);
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int ogs_filter_ip_version(ogs_sockaddr_t **addr,
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int no_ipv4, int no_ipv6, int prefer_ipv4);
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#define OGS_ADDRSTRLEN INET6_ADDRSTRLEN
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#define OGS_ADDR(__aDDR, __bUF) \
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ogs_inet_ntop(__aDDR, __bUF, OGS_ADDRSTRLEN)
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#define OGS_PORT(__aDDR) \
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be16toh((__aDDR)->ogs_sin_port)
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const char *ogs_inet_ntop(void *sa, char *buf, int buflen);
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int ogs_inet_pton(int family, const char *src, void *sa);
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socklen_t ogs_sockaddr_len(const void *sa);
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bool ogs_sockaddr_is_equal(const void *p, const void *q);
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int ogs_ipsubnet(ogs_ipsubnet_t *ipsub,
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const char *ipstr, const char *mask_or_numbits);
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char *ogs_gethostname(ogs_sockaddr_t *addr);
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char *ogs_ipstrdup(ogs_sockaddr_t *addr);
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#ifdef __cplusplus
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}
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#endif
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#endif /* OGS_SOCKADDR_H */
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