diff options
Diffstat (limited to 'libc/bionic/socketcalls.c')
| -rw-r--r-- | libc/bionic/socketcalls.c | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/libc/bionic/socketcalls.c b/libc/bionic/socketcalls.c new file mode 100644 index 0000000..51bdf57 --- /dev/null +++ b/libc/bionic/socketcalls.c @@ -0,0 +1,259 @@ +/* + * 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 */ + |