#define __FORCE_GLIBC #include <features.h> #include <errno.h> #include <syscall.h> #include <sys/socket.h> #ifdef __NR_socketcall extern int __socketcall(int call, unsigned long *args) attribute_hidden; /* Various socketcall numbers */ #define SYS_SOCKET 1 #define SYS_BIND 2 #define SYS_CONNECT 3 #define SYS_LISTEN 4 #define SYS_ACCEPT 5 #define SYS_GETSOCKNAME 6 #define SYS_GETPEERNAME 7 #define SYS_SOCKETPAIR 8 #define SYS_SEND 9 #define SYS_RECV 10 #define SYS_SENDTO 11 #define SYS_RECVFROM 12 #define SYS_SHUTDOWN 13 #define SYS_SETSOCKOPT 14 #define SYS_GETSOCKOPT 15 #define SYS_SENDMSG 16 #define SYS_RECVMSG 17 #endif #ifdef L_accept #ifdef __NR_accept #define __NR___libc_accept __NR_accept _syscall3(int, __libc_accept, int, call, struct sockaddr *, addr, socklen_t *,addrlen); #elif defined(__NR_socketcall) int __libc_accept(int s, struct sockaddr *addr, socklen_t * addrlen) { unsigned long args[3]; args[0] = s; args[1] = (unsigned long) addr; args[2] = (unsigned long) addrlen; return __socketcall(SYS_ACCEPT, args); } #endif weak_alias(__libc_accept, accept); #endif #ifdef L_bind #ifdef __NR_bind _syscall3(int, bind, int, sockfd, const struct sockaddr *, myaddr, socklen_t, addrlen); #elif defined(__NR_socketcall) int bind(int sockfd, const struct sockaddr *myaddr, socklen_t addrlen) { unsigned long args[3]; args[0] = sockfd; args[1] = (unsigned long) myaddr; args[2] = addrlen; return __socketcall(SYS_BIND, args); } #endif #endif #ifdef L_connect #ifdef __NR_connect #define __NR___libc_connect __NR_connect _syscall3(int, __libc_connect, int, sockfd, const struct sockaddr *, saddr, socklen_t, addrlen); #elif defined(__NR_socketcall) int __libc_connect(int sockfd, const struct sockaddr *saddr, socklen_t addrlen) { unsigned long args[3]; args[0] = sockfd; args[1] = (unsigned long) saddr; args[2] = addrlen; return __socketcall(SYS_CONNECT, args); } #endif weak_alias(__libc_connect, connect); #endif #ifdef L_getpeername #ifdef __NR_getpeername _syscall3(int, getpeername, int, sockfd, struct sockaddr *, addr, socklen_t *,paddrlen); #elif defined(__NR_socketcall) int getpeername(int sockfd, struct sockaddr *addr, socklen_t * paddrlen) { unsigned long args[3]; args[0] = sockfd; args[1] = (unsigned long) addr; args[2] = (unsigned long) paddrlen; return __socketcall(SYS_GETPEERNAME, args); } #endif #endif #ifdef L_getsockname #ifdef __NR_getsockname _syscall3(int, getsockname, int, sockfd, struct sockaddr *, addr, socklen_t *,paddrlen); #elif defined(__NR_socketcall) int getsockname(int sockfd, struct sockaddr *addr, socklen_t * paddrlen) { unsigned long args[3]; args[0] = sockfd; args[1] = (unsigned long) addr; args[2] = (unsigned long) paddrlen; return __socketcall(SYS_GETSOCKNAME, args); } #endif #endif #ifdef L_getsockopt #ifdef __NR_getsockopt _syscall5(int, getsockopt, int, fd, int, level, int, optname, __ptr_t, optval, socklen_t *, optlen); #elif defined(__NR_socketcall) int getsockopt(int fd, int level, int optname, __ptr_t optval, socklen_t * optlen) { unsigned long args[5]; args[0] = fd; args[1] = level; args[2] = optname; args[3] = (unsigned long) optval; args[4] = (unsigned long) optlen; return (__socketcall(SYS_GETSOCKOPT, args)); } #endif #endif #ifdef L_listen #ifdef __NR_listen _syscall2(int, listen, int, sockfd, int, backlog); #elif defined(__NR_socketcall) int listen(int sockfd, int backlog) { unsigned long args[2]; args[0] = sockfd; args[1] = backlog; return __socketcall(SYS_LISTEN, args); } #endif #endif #ifdef L_recv #ifdef __NR_recv #define __NR___libc_recv __NR_recv _syscall4(ssize_t, __libc_recv, int, sockfd, __ptr_t, buffer, size_t, len, int, flags); weak_alias(__libc_recv, recv); #elif defined(__NR_socketcall) /* recv, recvfrom added by bir7@leland.stanford.edu */ ssize_t __libc_recv(int sockfd, __ptr_t buffer, size_t len, int flags) { unsigned long args[4]; args[0] = sockfd; args[1] = (unsigned long) buffer; args[2] = len; args[3] = flags; return (__socketcall(SYS_RECV, args)); } weak_alias(__libc_recv, recv); #elif defined(__NR_recvfrom) ssize_t __libc_recv(int sockfd, __ptr_t buffer, size_t len, int flags) { return (recvfrom(sockfd, buffer, len, flags, NULL, NULL)); } weak_alias(__libc_recv, recv); #endif #endif #ifdef L_recvfrom #ifdef __NR_recvfrom #define __NR___libc_recvfrom __NR_recvfrom _syscall6(ssize_t, __libc_recvfrom, int, sockfd, __ptr_t, buffer, size_t, len, int, flags, struct sockaddr *, to, socklen_t *, tolen); #elif defined(__NR_socketcall) /* recv, recvfrom added by bir7@leland.stanford.edu */ ssize_t __libc_recvfrom(int sockfd, __ptr_t buffer, size_t len, int flags, struct sockaddr *to, socklen_t * tolen) { unsigned long args[6]; args[0] = sockfd; args[1] = (unsigned long) buffer; args[2] = len; args[3] = flags; args[4] = (unsigned long) to; args[5] = (unsigned long) tolen; return (__socketcall(SYS_RECVFROM, args)); } #endif weak_alias(__libc_recvfrom, recvfrom); #endif #ifdef L_recvmsg #ifdef __NR_recvmsg #define __NR___libc_recvmsg __NR_recvmsg _syscall3(ssize_t, __libc_recvmsg, int, sockfd, struct msghdr *, msg, int, flags); #elif defined(__NR_socketcall) ssize_t __libc_recvmsg(int sockfd, struct msghdr *msg, int flags) { unsigned long args[3]; args[0] = sockfd; args[1] = (unsigned long) msg; args[2] = flags; return (__socketcall(SYS_RECVMSG, args)); } #endif weak_alias(__libc_recvmsg, recvmsg); #endif #ifdef L_send #ifdef __NR_send #define __NR___libc_send __NR_send _syscall4(ssize_t, __libc_send, int, sockfd, const void *, buffer, size_t, len, int, flags); weak_alias(__libc_send, send); #elif defined(__NR_socketcall) /* send, sendto added by bir7@leland.stanford.edu */ ssize_t __libc_send(int sockfd, const void *buffer, size_t len, int flags) { unsigned long args[4]; args[0] = sockfd; args[1] = (unsigned long) buffer; args[2] = len; args[3] = flags; return (__socketcall(SYS_SEND, args)); } weak_alias(__libc_send, send); #elif defined(__NR_sendto) ssize_t __libc_send(int sockfd, const void *buffer, size_t len, int flags) { return (sendto(sockfd, buffer, len, flags, NULL, 0)); } weak_alias(__libc_send, send); #endif #endif #ifdef L_sendmsg #ifdef __NR_sendmsg #define __NR___libc_sendmsg __NR_sendmsg _syscall3(ssize_t, __libc_sendmsg, int, sockfd, const struct msghdr *, msg, int, flags); #elif defined(__NR_socketcall) ssize_t __libc_sendmsg(int sockfd, const struct msghdr *msg, int flags) { unsigned long args[3]; args[0] = sockfd; args[1] = (unsigned long) msg; args[2] = flags; return (__socketcall(SYS_SENDMSG, args)); } #endif weak_alias(__libc_sendmsg, sendmsg); #endif #ifdef L_sendto #ifdef __NR_sendto #define __NR___libc_sendto __NR_sendto _syscall6(ssize_t, __libc_sendto, int, sockfd, const void *, buffer, size_t, len, int, flags, const struct sockaddr *, to, socklen_t, tolen); #elif defined(__NR_socketcall) /* send, sendto added by bir7@leland.stanford.edu */ ssize_t __libc_sendto(int sockfd, const void *buffer, size_t len, int flags, const struct sockaddr *to, socklen_t tolen) { unsigned long args[6]; args[0] = sockfd; args[1] = (unsigned long) buffer; args[2] = len; args[3] = flags; args[4] = (unsigned long) to; args[5] = tolen; return (__socketcall(SYS_SENDTO, args)); } #endif weak_alias(__libc_sendto, sendto); #endif #ifdef L_setsockopt #ifdef __NR_setsockopt _syscall5(int, setsockopt, int, fd, int, level, int, optname, const void *, optval, socklen_t, optlen); #elif defined(__NR_socketcall) /* [sg]etsockoptions by bir7@leland.stanford.edu */ int setsockopt(int fd, int level, int optname, const void *optval, socklen_t optlen) { unsigned long args[5]; args[0] = fd; args[1] = level; args[2] = optname; args[3] = (unsigned long) optval; args[4] = optlen; return (__socketcall(SYS_SETSOCKOPT, args)); } #endif #endif #ifdef L_shutdown #ifdef __NR_shutdown _syscall2(int, shutdown, int, sockfd, int, how); #elif defined(__NR_socketcall) /* shutdown by bir7@leland.stanford.edu */ int shutdown(int sockfd, int how) { unsigned long args[2]; args[0] = sockfd; args[1] = how; return (__socketcall(SYS_SHUTDOWN, args)); } #endif #endif #ifdef L_socket #ifdef __NR_socket _syscall3(int, socket, int, family, int, type, int, protocol); #elif defined(__NR_socketcall) int socket(int family, int type, int protocol) { unsigned long args[3]; args[0] = family; args[1] = type; args[2] = (unsigned long) protocol; return __socketcall(SYS_SOCKET, args); } #endif #endif #ifdef L_socketpair #ifdef __NR_socketpair _syscall4(int, socketpair, int, family, int, type, int, protocol, int *, sockvec); #elif defined(__NR_socketcall) int socketpair(int family, int type, int protocol, int sockvec[2]) { unsigned long args[4]; args[0] = family; args[1] = type; args[2] = protocol; args[3] = (unsigned long) sockvec; return __socketcall(SYS_SOCKETPAIR, args); } #endif #endif