260 lines
6.6 KiB
C
260 lines
6.6 KiB
C
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/*
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* Copyright (C) 2008 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <unistd.h>
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#include <sys/socket.h>
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#include <sys/linux-syscalls.h>
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enum
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{
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SYS_SOCKET = 1,
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SYS_BIND,
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SYS_CONNECT,
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SYS_LISTEN,
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SYS_ACCEPT,
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SYS_GETSOCKNAME,
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SYS_GETPEERNAME,
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SYS_SOCKETPAIR,
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SYS_SEND,
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SYS_RECV,
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SYS_SENDTO,
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SYS_RECVFROM,
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SYS_SHUTDOWN,
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SYS_SETSOCKOPT,
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SYS_GETSOCKOPT,
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SYS_SENDMSG,
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SYS_RECVMSG
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};
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#ifndef __NR_socket
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int socket(int domain, int type, int protocol)
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{
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unsigned long t[3];
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t[0] = (unsigned long) domain;
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t[1] = (unsigned long) type;
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t[2] = (unsigned long) protocol;
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return (int) __socketcall( SYS_SOCKET, t );
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}
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#endif /* !__NR_socket */
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#ifndef __NR_bind
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int bind(int sockfd, const struct sockaddr *my_addr, socklen_t addrlen)
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{
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unsigned long t[3];
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t[0] = (unsigned long) sockfd;
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t[1] = (unsigned long) my_addr;
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t[2] = (unsigned long) addrlen;
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return (int) __socketcall( SYS_BIND, t );
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}
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#endif /* !__NR_bind */
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#ifndef __NR_connect
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int connect(int sockfd, const struct sockaddr *serv_addr, socklen_t addrlen )
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{
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unsigned long t[3];
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t[0] = (unsigned long) sockfd;
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t[1] = (unsigned long) serv_addr;
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t[2] = (unsigned long) addrlen;
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return (int) __socketcall( SYS_CONNECT, t );
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}
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#endif /* !__NR_connect */
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#ifndef __NR_listen
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int listen(int s, int backlog)
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{
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unsigned long t[2];
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t[0] = (unsigned long) s;
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t[1] = (unsigned long) backlog;
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return (int) __socketcall( SYS_LISTEN, t );
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}
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#endif /* __NR_listen */
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#ifndef __NR_accept
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int accept(int sock, struct sockaddr *adresse, socklen_t *longueur)
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{
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unsigned long t[3];
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t[0] = (unsigned long) sock;
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t[1] = (unsigned long) adresse;
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t[2] = (unsigned long) longueur;
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return (int) __socketcall( SYS_ACCEPT, t );
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}
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#endif /* __NR_accept */
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#ifndef __NR_getsockname
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int getsockname(int s, struct sockaddr * name, socklen_t * namelen )
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{
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unsigned long t[3];
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t[0] = (unsigned long) s;
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t[1] = (unsigned long) name;
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t[2] = (unsigned long) namelen;
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return (int) __socketcall( SYS_GETSOCKNAME, t );
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}
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#endif /* __NR_getsockname */
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#ifndef __NR_getpeername
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int getpeername(int s, struct sockaddr *name, socklen_t *namelen)
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{
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unsigned long t[3];
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t[0] = (unsigned long) s;
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t[1] = (unsigned long) name;
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t[2] = (unsigned long) namelen;
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return (int) __socketcall( SYS_GETPEERNAME, t );
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}
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#endif /* !__NR_getpeername */
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#ifndef __NR_socketpair
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int socketpair(int d, int type, int protocol, int sv[2])
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{
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unsigned long t[4];
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t[0] = (unsigned long) d;
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t[1] = (unsigned long) type;
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t[2] = (unsigned long) protocol;
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t[3] = (unsigned long) sv;
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return (int) __socketcall( SYS_SOCKETPAIR, t );
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}
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#endif /* __NR_socketpair */
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#ifndef __NR_sendto
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ssize_t sendto(int socket, const void *message, size_t length, int flags,
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const struct sockaddr *dest_addr, socklen_t dest_len)
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{
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unsigned long t[6];
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t[0] = (unsigned long) socket;
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t[1] = (unsigned long) message;
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t[2] = (unsigned long) length;
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t[3] = (unsigned long) flags;
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t[4] = (unsigned long) dest_addr;
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t[5] = (unsigned long) dest_len;
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return __socketcall( SYS_SENDTO, t );
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}
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#endif /* !__NR_sendto */
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#ifndef __NR_recvfrom
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ssize_t recvfrom(int socket, void *buffer, size_t length, unsigned int flags,
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const struct sockaddr *address, socklen_t *address_len)
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{
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unsigned long t[6];
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t[0] = (unsigned long) socket;
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t[1] = (unsigned long) buffer;
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t[2] = (unsigned long) length;
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t[3] = (unsigned long) flags;
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t[4] = (unsigned long) address;
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t[5] = (unsigned long) address_len;
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return __socketcall( SYS_RECVFROM, t );
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}
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#endif /* !__NR_recvfrom */
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#ifndef __NR_shutdown
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int shutdown(int socket, int how)
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{
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unsigned long t[2];
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t[0] = (unsigned long) socket;
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t[1] = (unsigned long) how;
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return (int) __socketcall( SYS_SHUTDOWN, t );
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}
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#endif /* !__NR_shutdown */
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#ifndef __NR_setsockopt
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int setsockopt( int s, int level, int optname, const void* optval, socklen_t optlen )
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{
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unsigned long t[5];
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t[0] = (unsigned long) s;
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t[1] = (unsigned long) level;
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t[2] = (unsigned long) optname;
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t[3] = (unsigned long) optval;
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t[4] = (unsigned long) optlen;
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return (int) __socketcall( SYS_SETSOCKOPT, t );
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}
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#endif /* !__NR_setsockopt */
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#ifndef __NR_getsockopt
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int getsockopt(int s, int level, int optname, void *optval, socklen_t *optlen)
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{
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unsigned long t[5];
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t[0] = (unsigned long) s;
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t[1] = (unsigned long) level;
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t[2] = (unsigned long) optname;
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t[3] = (unsigned long) optval;
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t[4] = (unsigned long) optlen;
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return (int) __socketcall( SYS_GETSOCKOPT, t );
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}
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#endif /* !__NR_getsockopt */
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#ifndef __NR_sendmsg
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ssize_t sendmsg (int socket, const struct msghdr *message, unsigned int flags)
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{
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unsigned long t[3];
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t[0] = (unsigned long) socket;
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t[1] = (unsigned long) message;
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t[2] = (unsigned long) flags;
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return __socketcall( SYS_SENDMSG, t );
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}
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#endif /* __NR_sendmsg */
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#ifndef __NR_recvmsg
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ssize_t recvmsg(int socket, struct msghdr *message, unsigned int flags)
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{
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unsigned long t[3];
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t[0] = (unsigned long) socket;
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t[1] = (unsigned long) message;
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t[2] = (unsigned long) flags;
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return __socketcall( SYS_RECVMSG, t );
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}
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#endif /* __NR_recvmsg */
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