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03467c88 | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
42f4e3c4 | 2 | |
c2f1db8f | 3 | #pragma once |
42f4e3c4 | 4 | |
a7334b09 LP |
5 | /*** |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2010 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
11 | under the terms of the GNU Lesser General Public License as published by |
12 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
13 | (at your option) any later version. |
14 | ||
15 | systemd is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 18 | Lesser General Public License for more details. |
a7334b09 | 19 | |
5430f7f2 | 20 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
22 | ***/ | |
23 | ||
42f4e3c4 LP |
24 | #include <sys/socket.h> |
25 | #include <netinet/in.h> | |
26 | #include <sys/un.h> | |
acbb0225 | 27 | #include <net/if.h> |
7a22745a LP |
28 | #include <asm/types.h> |
29 | #include <linux/netlink.h> | |
42f4e3c4 LP |
30 | |
31 | #include "macro.h" | |
32 | #include "util.h" | |
33 | ||
f6144808 LP |
34 | union sockaddr_union { |
35 | struct sockaddr sa; | |
36 | struct sockaddr_in in4; | |
37 | struct sockaddr_in6 in6; | |
38 | struct sockaddr_un un; | |
7a22745a | 39 | struct sockaddr_nl nl; |
f6144808 LP |
40 | struct sockaddr_storage storage; |
41 | }; | |
42 | ||
542563ba | 43 | typedef struct SocketAddress { |
f6144808 | 44 | union sockaddr_union sockaddr; |
42f4e3c4 LP |
45 | |
46 | /* We store the size here explicitly due to the weird | |
47 | * sockaddr_un semantics for abstract sockets */ | |
48 | socklen_t size; | |
49 | ||
50 | /* Socket type, i.e. SOCK_STREAM, SOCK_DGRAM, ... */ | |
51 | int type; | |
7a22745a LP |
52 | |
53 | /* Socket protocol, IPPROTO_xxx, usually 0, except for netlink */ | |
54 | int protocol; | |
542563ba | 55 | } SocketAddress; |
42f4e3c4 | 56 | |
542563ba LP |
57 | typedef enum SocketAddressBindIPv6Only { |
58 | SOCKET_ADDRESS_DEFAULT, | |
59 | SOCKET_ADDRESS_BOTH, | |
c0120d99 LP |
60 | SOCKET_ADDRESS_IPV6_ONLY, |
61 | _SOCKET_ADDRESS_BIND_IPV6_ONLY_MAX, | |
62 | _SOCKET_ADDRESS_BIND_IPV6_ONLY_INVALID = -1 | |
542563ba | 63 | } SocketAddressBindIPv6Only; |
42f4e3c4 | 64 | |
542563ba | 65 | #define socket_address_family(a) ((a)->sockaddr.sa.sa_family) |
42f4e3c4 | 66 | |
542563ba | 67 | int socket_address_parse(SocketAddress *a, const char *s); |
7a22745a | 68 | int socket_address_parse_netlink(SocketAddress *a, const char *s); |
542563ba | 69 | int socket_address_print(const SocketAddress *a, char **p); |
44a6b1b6 | 70 | int socket_address_verify(const SocketAddress *a) _pure_; |
b5a0699f | 71 | |
44a6b1b6 | 72 | bool socket_address_can_accept(const SocketAddress *a) _pure_; |
4f2d528d | 73 | |
b5a0699f LP |
74 | int socket_address_listen( |
75 | const SocketAddress *a, | |
76 | int backlog, | |
77 | SocketAddressBindIPv6Only only, | |
78 | const char *bind_to_device, | |
4fd5948e | 79 | bool free_bind, |
6b6d2dee | 80 | bool transparent, |
b5a0699f LP |
81 | mode_t directory_mode, |
82 | mode_t socket_mode, | |
56cf987f | 83 | const char *label, |
b5a0699f | 84 | int *ret); |
42f4e3c4 | 85 | |
27ca8d7a | 86 | bool socket_address_is(const SocketAddress *a, const char *s, int type); |
7a22745a | 87 | bool socket_address_is_netlink(const SocketAddress *a, const char *s); |
a16e1123 | 88 | |
01e10de3 LP |
89 | bool socket_address_matches_fd(const SocketAddress *a, int fd); |
90 | ||
2ca0435b ZJS |
91 | int make_socket_fd(const char* address, int flags); |
92 | ||
44a6b1b6 | 93 | bool socket_address_equal(const SocketAddress *a, const SocketAddress *b) _pure_; |
a16e1123 | 94 | |
6e2ef85b LP |
95 | bool socket_address_needs_mount(const SocketAddress *a, const char *prefix); |
96 | ||
44a6b1b6 ZJS |
97 | const char* socket_address_bind_ipv6_only_to_string(SocketAddressBindIPv6Only b) _const_; |
98 | SocketAddressBindIPv6Only socket_address_bind_ipv6_only_from_string(const char *s) _pure_; | |
c0120d99 | 99 | |
f8b69d1d | 100 | int netlink_family_to_string_alloc(int b, char **s); |
7a22745a LP |
101 | int netlink_family_from_string(const char *s); |
102 | ||
5bfcc1c6 | 103 | bool socket_ipv6_is_supported(void); |