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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <bits/stdint.h>
#include <sys/cdefs.h>
#include <sys/types.h>
#include <sys/un.h>
__BEGIN_DECLS
#define AF_MASK 0xff
#define AF_UNSPEC 0
#define AF_LOCAL 1
#define AF_UNIX AF_LOCAL
#define AF_INET 2
#define AF_MAX 3
#define PF_LOCAL AF_LOCAL
#define PF_UNIX PF_LOCAL
#define PF_INET AF_INET
#define PF_UNSPEC AF_UNSPEC
#define PF_MAX AF_MAX
#define SOCK_TYPE_MASK 0xff
#define SOCK_STREAM 1
#define SOCK_DGRAM 2
#define SOCK_RAW 3
#define SOCK_NONBLOCK 04000
#define SOCK_CLOEXEC 02000000
#define SHUT_RD 1
#define SHUT_WR 2
#define SHUT_RDWR 3
#define IPPROTO_IP 0
#define IPPROTO_ICMP 1
#define IPPROTO_TCP 6
#define IPPROTO_UDP 17
#define MSG_TRUNC 0x1
#define MSG_CTRUNC 0x2
#define MSG_DONTWAIT 0x40
typedef uint16_t sa_family_t;
struct cmsghdr {
socklen_t cmsg_len;
int cmsg_level;
int cmsg_type;
};
struct msghdr {
void* msg_name;
socklen_t msg_namelen;
struct iovec* msg_iov;
int msg_iovlen;
void* msg_control;
socklen_t msg_controllen;
int msg_flags;
};
struct sockaddr {
sa_family_t sa_family;
char sa_data[14];
};
struct ucred {
pid_t pid;
uid_t uid;
gid_t gid;
};
#define SOL_SOCKET 1
#define SOMAXCONN 128
enum {
SO_RCVTIMEO,
SO_SNDTIMEO,
SO_TYPE,
SO_ERROR,
SO_PEERCRED,
SO_REUSEADDR,
SO_BINDTODEVICE,
SO_KEEPALIVE,
SO_TIMESTAMP,
};
#define SO_RCVTIMEO SO_RCVTIMEO
#define SO_SNDTIMEO SO_SNDTIMEO
#define SO_TYPE SO_TYPE
#define SO_ERROR SO_ERROR
#define SO_PEERCRED SO_PEERCRED
#define SO_REUSEADDR SO_REUSEADDR
#define SO_BINDTODEVICE SO_BINDTODEVICE
#define SO_KEEPALIVE SO_KEEPALIVE
#define SO_TIMESTAMP SO_TIMESTAMP
enum {
SCM_TIMESTAMP,
SCM_RIGHTS,
};
#define SCM_TIMESTAMP SCM_TIMESTAMP
#define SCM_RIGHTS SCM_RIGHTS
struct sockaddr_storage {
sa_family_t ss_family;
union {
char data[sizeof(struct sockaddr_un)];
void* alignment;
};
};
int socket(int domain, int type, int protocol);
int bind(int sockfd, const struct sockaddr* addr, socklen_t);
int listen(int sockfd, int backlog);
int accept(int sockfd, struct sockaddr*, socklen_t*);
int connect(int sockfd, const struct sockaddr*, socklen_t);
int shutdown(int sockfd, int how);
ssize_t send(int sockfd, const void*, size_t, int flags);
ssize_t sendmsg(int sockfd, const struct msghdr*, int flags);
ssize_t sendto(int sockfd, const void*, size_t, int flags, const struct sockaddr*, socklen_t);
ssize_t recv(int sockfd, void*, size_t, int flags);
ssize_t recvmsg(int sockfd, struct msghdr*, int flags);
ssize_t recvfrom(int sockfd, void*, size_t, int flags, struct sockaddr*, socklen_t*);
int getsockopt(int sockfd, int level, int option, void*, socklen_t*);
int setsockopt(int sockfd, int level, int option, const void*, socklen_t);
int getsockname(int sockfd, struct sockaddr*, socklen_t*);
int getpeername(int sockfd, struct sockaddr*, socklen_t*);
int sendfd(int sockfd, int fd);
int recvfd(int sockfd);
// These three are non-POSIX, but common:
#define CMSG_ALIGN(x) (((x) + sizeof(void*) - 1) & ~(sizeof(void*) - 1))
#define CMSG_SPACE(x) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(x))
#define CMSG_LEN(x) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (x))
static inline struct cmsghdr* CMSG_FIRSTHDR(struct msghdr* msg)
{
if (msg->msg_controllen < sizeof(struct cmsghdr))
return 0;
return (struct cmsghdr*)msg->msg_control;
}
static inline struct cmsghdr* CMSG_NXTHDR(struct msghdr* msg, struct cmsghdr* cmsg)
{
struct cmsghdr* next = (struct cmsghdr*)((char*)cmsg + CMSG_ALIGN(cmsg->cmsg_len));
unsigned offset = (char*)next - (char*)msg->msg_control;
if (msg->msg_controllen < offset + sizeof(struct cmsghdr))
return NULL;
return next;
}
static inline void* CMSG_DATA(struct cmsghdr* cmsg)
{
return (void*)(cmsg + 1);
}
__END_DECLS
|
