bionic/libc/unistd/socketcalls.c

260 lines
6.6 KiB
C

/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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 OWNER 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.
*/
#include <unistd.h>
#include <sys/socket.h>
#include <sys/linux-syscalls.h>
enum
{
SYS_SOCKET = 1,
SYS_BIND,
SYS_CONNECT,
SYS_LISTEN,
SYS_ACCEPT,
SYS_GETSOCKNAME,
SYS_GETPEERNAME,
SYS_SOCKETPAIR,
SYS_SEND,
SYS_RECV,
SYS_SENDTO,
SYS_RECVFROM,
SYS_SHUTDOWN,
SYS_SETSOCKOPT,
SYS_GETSOCKOPT,
SYS_SENDMSG,
SYS_RECVMSG
};
#ifndef __NR_socket
int socket(int domain, int type, int protocol)
{
unsigned long t[3];
t[0] = (unsigned long) domain;
t[1] = (unsigned long) type;
t[2] = (unsigned long) protocol;
return (int) __socketcall( SYS_SOCKET, t );
}
#endif /* !__NR_socket */
#ifndef __NR_bind
int bind(int sockfd, const struct sockaddr *my_addr, socklen_t addrlen)
{
unsigned long t[3];
t[0] = (unsigned long) sockfd;
t[1] = (unsigned long) my_addr;
t[2] = (unsigned long) addrlen;
return (int) __socketcall( SYS_BIND, t );
}
#endif /* !__NR_bind */
#ifndef __NR_connect
int connect(int sockfd, const struct sockaddr *serv_addr, socklen_t addrlen )
{
unsigned long t[3];
t[0] = (unsigned long) sockfd;
t[1] = (unsigned long) serv_addr;
t[2] = (unsigned long) addrlen;
return (int) __socketcall( SYS_CONNECT, t );
}
#endif /* !__NR_connect */
#ifndef __NR_listen
int listen(int s, int backlog)
{
unsigned long t[2];
t[0] = (unsigned long) s;
t[1] = (unsigned long) backlog;
return (int) __socketcall( SYS_LISTEN, t );
}
#endif /* __NR_listen */
#ifndef __NR_accept
int accept(int sock, struct sockaddr *adresse, socklen_t *longueur)
{
unsigned long t[3];
t[0] = (unsigned long) sock;
t[1] = (unsigned long) adresse;
t[2] = (unsigned long) longueur;
return (int) __socketcall( SYS_ACCEPT, t );
}
#endif /* __NR_accept */
#ifndef __NR_getsockname
int getsockname(int s, struct sockaddr * name, socklen_t * namelen )
{
unsigned long t[3];
t[0] = (unsigned long) s;
t[1] = (unsigned long) name;
t[2] = (unsigned long) namelen;
return (int) __socketcall( SYS_GETSOCKNAME, t );
}
#endif /* __NR_getsockname */
#ifndef __NR_getpeername
int getpeername(int s, struct sockaddr *name, socklen_t *namelen)
{
unsigned long t[3];
t[0] = (unsigned long) s;
t[1] = (unsigned long) name;
t[2] = (unsigned long) namelen;
return (int) __socketcall( SYS_GETPEERNAME, t );
}
#endif /* !__NR_getpeername */
#ifndef __NR_socketpair
int socketpair(int d, int type, int protocol, int sv[2])
{
unsigned long t[4];
t[0] = (unsigned long) d;
t[1] = (unsigned long) type;
t[2] = (unsigned long) protocol;
t[3] = (unsigned long) sv;
return (int) __socketcall( SYS_SOCKETPAIR, t );
}
#endif /* __NR_socketpair */
#ifndef __NR_sendto
ssize_t sendto(int socket, const void *message, size_t length, int flags,
const struct sockaddr *dest_addr, socklen_t dest_len)
{
unsigned long t[6];
t[0] = (unsigned long) socket;
t[1] = (unsigned long) message;
t[2] = (unsigned long) length;
t[3] = (unsigned long) flags;
t[4] = (unsigned long) dest_addr;
t[5] = (unsigned long) dest_len;
return __socketcall( SYS_SENDTO, t );
}
#endif /* !__NR_sendto */
#ifndef __NR_recvfrom
ssize_t recvfrom(int socket, void *buffer, size_t length, unsigned int flags,
const struct sockaddr *address, socklen_t *address_len)
{
unsigned long t[6];
t[0] = (unsigned long) socket;
t[1] = (unsigned long) buffer;
t[2] = (unsigned long) length;
t[3] = (unsigned long) flags;
t[4] = (unsigned long) address;
t[5] = (unsigned long) address_len;
return __socketcall( SYS_RECVFROM, t );
}
#endif /* !__NR_recvfrom */
#ifndef __NR_shutdown
int shutdown(int socket, int how)
{
unsigned long t[2];
t[0] = (unsigned long) socket;
t[1] = (unsigned long) how;
return (int) __socketcall( SYS_SHUTDOWN, t );
}
#endif /* !__NR_shutdown */
#ifndef __NR_setsockopt
int setsockopt( int s, int level, int optname, const void* optval, socklen_t optlen )
{
unsigned long t[5];
t[0] = (unsigned long) s;
t[1] = (unsigned long) level;
t[2] = (unsigned long) optname;
t[3] = (unsigned long) optval;
t[4] = (unsigned long) optlen;
return (int) __socketcall( SYS_SETSOCKOPT, t );
}
#endif /* !__NR_setsockopt */
#ifndef __NR_getsockopt
int getsockopt(int s, int level, int optname, void *optval, socklen_t *optlen)
{
unsigned long t[5];
t[0] = (unsigned long) s;
t[1] = (unsigned long) level;
t[2] = (unsigned long) optname;
t[3] = (unsigned long) optval;
t[4] = (unsigned long) optlen;
return (int) __socketcall( SYS_GETSOCKOPT, t );
}
#endif /* !__NR_getsockopt */
#ifndef __NR_sendmsg
int sendmsg (int socket, const struct msghdr *message, unsigned int flags)
{
unsigned long t[3];
t[0] = (unsigned long) socket;
t[1] = (unsigned long) message;
t[2] = (unsigned long) flags;
return __socketcall( SYS_SENDMSG, t );
}
#endif /* __NR_sendmsg */
#ifndef __NR_recvmsg
int recvmsg(int socket, struct msghdr *message, unsigned int flags)
{
unsigned long t[3];
t[0] = (unsigned long) socket;
t[1] = (unsigned long) message;
t[2] = (unsigned long) flags;
return __socketcall( SYS_RECVMSG, t );
}
#endif /* __NR_recvmsg */