1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/*-*- Mode: C; c-basic-offset: 8 -*-*/
#ifndef foosocketutilhfoo
#define foosocketutilhfoo
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/un.h>
#include <net/if.h>
#include "macro.h"
#include "util.h"
typedef struct SocketAddress {
union {
struct sockaddr sa;
struct sockaddr_in in4;
struct sockaddr_in6 in6;
struct sockaddr_un un;
struct sockaddr_storage storage;
} sockaddr;
/* We store the size here explicitly due to the weird
* sockaddr_un semantics for abstract sockets */
socklen_t size;
/* Socket type, i.e. SOCK_STREAM, SOCK_DGRAM, ... */
int type;
} SocketAddress;
typedef enum SocketAddressBindIPv6Only {
SOCKET_ADDRESS_DEFAULT,
SOCKET_ADDRESS_BOTH,
SOCKET_ADDRESS_IPV6_ONLY,
_SOCKET_ADDRESS_BIND_IPV6_ONLY_MAX,
_SOCKET_ADDRESS_BIND_IPV6_ONLY_INVALID = -1
} SocketAddressBindIPv6Only;
#define socket_address_family(a) ((a)->sockaddr.sa.sa_family)
int socket_address_parse(SocketAddress *a, const char *s);
int socket_address_print(const SocketAddress *a, char **p);
int socket_address_verify(const SocketAddress *a);
bool socket_address_can_accept(const SocketAddress *a);
int socket_address_listen(
const SocketAddress *a,
int backlog,
SocketAddressBindIPv6Only only,
const char *bind_to_device,
mode_t directory_mode,
mode_t socket_mode,
int *ret);
bool socket_address_is(const SocketAddress *a, const char *s);
bool socket_address_equal(const SocketAddress *a, const SocketAddress *b);
bool socket_address_needs_mount(const SocketAddress *a, const char *prefix);
const char* socket_address_bind_ipv6_only_to_string(SocketAddressBindIPv6Only b);
SocketAddressBindIPv6Only socket_address_bind_ipv6_only_from_string(const char *s);
#endif
|
