100 lines
3.1 KiB
C
100 lines
3.1 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <sys/un.h>
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#include <net/if.h>
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#include <asm/types.h>
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#include <linux/netlink.h>
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#include "macro.h"
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#include "util.h"
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union sockaddr_union {
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struct sockaddr sa;
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struct sockaddr_in in4;
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struct sockaddr_in6 in6;
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struct sockaddr_un un;
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struct sockaddr_nl nl;
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struct sockaddr_storage storage;
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};
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typedef struct SocketAddress {
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union sockaddr_union sockaddr;
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/* We store the size here explicitly due to the weird
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* sockaddr_un semantics for abstract sockets */
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socklen_t size;
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/* Socket type, i.e. SOCK_STREAM, SOCK_DGRAM, ... */
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int type;
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/* Socket protocol, IPPROTO_xxx, usually 0, except for netlink */
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int protocol;
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} SocketAddress;
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typedef enum SocketAddressBindIPv6Only {
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SOCKET_ADDRESS_DEFAULT,
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SOCKET_ADDRESS_BOTH,
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SOCKET_ADDRESS_IPV6_ONLY,
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_SOCKET_ADDRESS_BIND_IPV6_ONLY_MAX,
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_SOCKET_ADDRESS_BIND_IPV6_ONLY_INVALID = -1
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} SocketAddressBindIPv6Only;
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#define socket_address_family(a) ((a)->sockaddr.sa.sa_family)
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int socket_address_parse(SocketAddress *a, const char *s);
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int socket_address_parse_netlink(SocketAddress *a, const char *s);
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int socket_address_print(const SocketAddress *a, char **p);
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int socket_address_verify(const SocketAddress *a);
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bool socket_address_can_accept(const SocketAddress *a);
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int socket_address_listen(
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const SocketAddress *a,
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int backlog,
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SocketAddressBindIPv6Only only,
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const char *bind_to_device,
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bool free_bind,
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bool transparent,
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mode_t directory_mode,
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mode_t socket_mode,
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const char *label,
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int *ret);
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bool socket_address_is(const SocketAddress *a, const char *s, int type);
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bool socket_address_is_netlink(const SocketAddress *a, const char *s);
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bool socket_address_equal(const SocketAddress *a, const SocketAddress *b);
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bool socket_address_needs_mount(const SocketAddress *a, const char *prefix);
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const char* socket_address_bind_ipv6_only_to_string(SocketAddressBindIPv6Only b);
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SocketAddressBindIPv6Only socket_address_bind_ipv6_only_from_string(const char *s);
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int netlink_family_to_string_alloc(int b, char **s);
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int netlink_family_from_string(const char *s);
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bool socket_ipv6_is_supported(void);
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