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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/*
Unix SMB/CIFS implementation.
Utility functions for Samba
Copyright (C) Andrew Tridgell 1992-1999
Copyright (C) Jelmer Vernooij 2005
This program 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 3 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SAMBA_UTIL_NET_H_
#define _SAMBA_UTIL_NET_H_
#include "system/network.h"
struct samba_sockaddr {
socklen_t sa_socklen;
union {
struct sockaddr sa;
struct sockaddr_in in;
#ifdef HAVE_IPV6
struct sockaddr_in6 in6;
#endif
struct sockaddr_un un;
struct sockaddr_storage ss;
} u;
};
/* The following definitions come from lib/util/util_net.c */
void zero_sockaddr(struct sockaddr_storage *pss);
bool interpret_string_addr_internal(struct addrinfo **ppres,
const char *str, int flags);
bool interpret_string_addr(struct sockaddr_storage *pss,
const char *str,
int flags);
/*******************************************************************
Map a text hostname or IP address (IPv4 or IPv6) into a
struct sockaddr_storage. Version that prefers IPv4.
******************************************************************/
bool interpret_string_addr_prefer_ipv4(struct sockaddr_storage *pss,
const char *str,
int flags);
void set_sockaddr_port(struct sockaddr *psa, uint16_t port);
/**
Check if an IP is the 0.0.0.0.
**/
_PUBLIC_ bool is_zero_ip_v4(struct in_addr ip);
void in_addr_to_sockaddr_storage(struct sockaddr_storage *ss,
struct in_addr ip);
#if defined(HAVE_IPV6)
/**
* Convert an IPv6 struct in_addr to a struct sockaddr_storage.
*/
void in6_addr_to_sockaddr_storage(struct sockaddr_storage *ss,
struct in6_addr ip);
#endif
/**
Are two IPs on the same subnet?
**/
_PUBLIC_ bool same_net_v4(struct in_addr ip1,struct in_addr ip2,struct in_addr mask);
/**
Return true if a string could be a pure IP address.
**/
_PUBLIC_ bool is_ipaddress(const char *str);
bool is_broadcast_addr(const struct sockaddr *pss);
bool is_loopback_ip_v4(struct in_addr ip);
bool is_loopback_addr(const struct sockaddr *pss);
bool is_zero_addr(const struct sockaddr_storage *pss);
void zero_ip_v4(struct in_addr *ip);
bool is_linklocal_addr(const struct sockaddr_storage *pss);
/**
Interpret an internet address or name into an IP address in 4 byte form.
**/
_PUBLIC_ uint32_t interpret_addr(const char *str);
/**
A convenient addition to interpret_addr().
**/
_PUBLIC_ struct in_addr interpret_addr2(const char *str);
_PUBLIC_ bool is_ipaddress_v4(const char *str);
_PUBLIC_ bool is_ipv6_literal(const char *str);
_PUBLIC_ bool is_ipaddress_v6(const char *str);
bool is_address_any(const struct sockaddr *psa);
bool same_net(const struct sockaddr *ip1,
const struct sockaddr *ip2,
const struct sockaddr *mask);
bool sockaddr_equal(const struct sockaddr *ip1,
const struct sockaddr *ip2);
bool is_address_any(const struct sockaddr *psa);
uint16_t get_sockaddr_port(const struct sockaddr_storage *pss);
char *print_sockaddr_len(char *dest,
size_t destlen,
const struct sockaddr *psa,
socklen_t psalen);
char *print_sockaddr(char *dest,
size_t destlen,
const struct sockaddr_storage *psa);
char *print_canonical_sockaddr(TALLOC_CTX *ctx,
const struct sockaddr_storage *pss);
void set_socket_options(int fd, const char *options);
bool sockaddr_storage_to_samba_sockaddr(
struct samba_sockaddr *sa, const struct sockaddr_storage *ss);
bool samba_sockaddr_set_port(struct samba_sockaddr *sa, uint16_t port);
bool samba_sockaddr_get_port(const struct samba_sockaddr *sa, uint16_t *port);
/*
* check for POLLERR or POLL*HUP
*/
int samba_socket_poll_error(int fd);
/*
* getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &len)
*/
int samba_socket_sock_error(int fd);
/*
* check for POLL*HUP and fallback to
* getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &len)
*/
int samba_socket_poll_or_sock_error(int fd);
#endif /* _SAMBA_UTIL_NET_H_ */
|
