172 lines
4.8 KiB
C
172 lines
4.8 KiB
C
/*
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sys/socket.h
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*/
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#ifndef SYS_SOCKET_H
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#define SYS_SOCKET_H
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/* Can we include <stdint.h> here or do we need an additional header that is
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* safe to include?
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*/
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#include <stdint.h>
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#include <sys/ucred.h>
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/* Open Group Base Specifications Issue 6 (not complete) */
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#include <net/gen/socket.h>
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#define SOCK_STREAM 1
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#define SOCK_DGRAM 2
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#define SOCK_RAW 3
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#define SOCK_RDM 4
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#define SOCK_SEQPACKET 5
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#define SOL_SOCKET 0xFFFF
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#define SO_DEBUG 0x0001
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#define SO_REUSEADDR 0x0004
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#define SO_KEEPALIVE 0x0008
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#define SO_TYPE 0x0010 /* get socket type, SOCK_STREAM or SOCK_DGRAM */
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#define SO_PASSCRED 0x0012
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#define SO_PEERCRED 0x0014
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#define SO_SNDBUF 0x1001 /* send buffer size */
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#define SO_RCVBUF 0x1002 /* receive buffer size */
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#define SO_ERROR 0x1007 /* get and clear error status */
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/* The how argument to shutdown */
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#define SHUT_RD 0 /* No further reads */
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#define SHUT_WR 1 /* No further writes */
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#define SHUT_RDWR 2 /* No further reads and writes */
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#ifndef _SA_FAMILY_T
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#define _SA_FAMILY_T
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typedef uint8_t sa_family_t;
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#endif /* _SA_FAMILY_T */
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#ifndef _SOCKLEN_T
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#define _SOCKLEN_T
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typedef int32_t socklen_t;
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#endif /* _SOCKLEN_T */
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struct sockaddr
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{
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sa_family_t sa_family;
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char sa_data[8]; /* Big enough for sockaddr_in */
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};
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struct msghdr
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{
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void *msg_name;
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socklen_t msg_namelen;
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struct iovec *msg_iov;
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size_t msg_iovlen;
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void *msg_control;
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socklen_t msg_controllen;
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int msg_flags;
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};
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struct cmsghdr
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{
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socklen_t cmsg_len;
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int cmsg_level;
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int cmsg_type;
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};
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#define CMSG_FIRSTHDR(mhdr) \
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( (mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
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(struct cmsghdr *)(mhdr)->msg_control : \
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(struct cmsghdr *)NULL )
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#define CMSG_ALIGN(len) \
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( (len % sizeof(long) == 0) ? \
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len : \
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len + sizeof(long) - (len % sizeof(long)) )
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#define CMSG_NXTHDR(mhdr, cmsg) \
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( ((cmsg) == NULL) ? CMSG_FIRSTHDR(mhdr) : \
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(((unsigned char *)(cmsg) + CMSG_ALIGN((cmsg)->cmsg_len) \
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+ CMSG_ALIGN(sizeof(struct cmsghdr)) > \
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(unsigned char *)((mhdr)->msg_control) + \
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(mhdr)->msg_controllen) ? \
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(struct cmsghdr *)NULL : \
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(struct cmsghdr *)((unsigned char *)(cmsg) + \
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CMSG_ALIGN((cmsg)->cmsg_len))) )
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#define CMSG_DATA(cmsg) \
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( (unsigned char *)(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr)) )
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#define CMSG_SPACE(len) \
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( CMSG_ALIGN(len) + CMSG_ALIGN(sizeof(struct cmsghdr)) )
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#define CMSG_LEN(len) \
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( len + CMSG_ALIGN(sizeof(struct cmsghdr)) )
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#define SCM_RIGHTS 0x01
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#define SCM_CREDENTIALS 0x02
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#define SCM_SECURITY 0x04
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_PROTOTYPE( int accept, (int _socket,
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struct sockaddr *_RESTRICT _address,
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socklen_t *_RESTRICT _address_len) );
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_PROTOTYPE( int bind, (int _socket, const struct sockaddr *_address,
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socklen_t _address_len) );
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_PROTOTYPE( int connect, (int _socket, const struct sockaddr *_address,
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socklen_t _address_len) );
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_PROTOTYPE( int getpeername, (int _socket,
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struct sockaddr *_RESTRICT _address,
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socklen_t *_RESTRICT _address_len) );
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_PROTOTYPE( int getpeereid, (int _socket, uid_t *_euid, gid_t *_egid) );
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_PROTOTYPE( int getsockname, (int _socket,
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struct sockaddr *_RESTRICT _address,
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socklen_t *_RESTRICT _address_len) );
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_PROTOTYPE( int setsockopt,(int _socket, int _level, int _option_name,
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const void *_option_value, socklen_t _option_len) );
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_PROTOTYPE( int getsockopt, (int _socket, int _level, int _option_name,
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void *_RESTRICT _option_value, socklen_t *_RESTRICT _option_len));
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_PROTOTYPE( int listen, (int _socket, int _backlog) );
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_PROTOTYPE( ssize_t recv, (int _socket, void *_buffer, size_t _length,
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int _flags) );
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_PROTOTYPE( ssize_t recvfrom, (int _socket, void *_RESTRICT _buffer,
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size_t _length, int _flags, struct sockaddr *_RESTRICT _address,
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socklen_t *_RESTRICT _address_len) );
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_PROTOTYPE( ssize_t recvmsg, (int _socket, struct msghdr *_msg,
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int _flags) );
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_PROTOTYPE( ssize_t send, (int _socket, const void *_buffer,
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size_t _length, int _flags) );
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_PROTOTYPE( ssize_t sendmsg, (int _socket, const struct msghdr *_msg,
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int _flags) );
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_PROTOTYPE( ssize_t sendto, (int _socket, const void *_message,
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size_t _length, int _flags, const struct sockaddr *_dest_addr,
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socklen_t _dest_len) );
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_PROTOTYPE( int shutdown, (int _socket, int _how) );
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_PROTOTYPE( int socket, (int _domain, int _type, int _protocol) );
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_PROTOTYPE( int socketpair, (int _domain, int _type, int _protocol,
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int _sv[2]) );
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/* The following constants are often used in applications, but are not defined
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* by POSIX.
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*/
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#define PF_INET AF_INET
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#define PF_INET6 AF_INET6
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#define PF_UNIX AF_UNIX
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#define PF_LOCAL PF_UNIX
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#define PF_FILE PF_UNIX
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#define PF_UNSPEC AF_UNSPEC
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/* based on http://tools.ietf.org/html/rfc2553 */
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struct sockaddr_storage
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{
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sa_family_t ss_family;
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char __ss_pad1[6];
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#ifdef __LONG_LONG_SUPPORTED
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int64_t __ss_align;
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#else
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int32_t __ss_align[2];
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#endif
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char __ss_pad2[112];
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};
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#endif /* SYS_SOCKET_H */
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