1 /* $NetBSD: linux32_socketcall.c,v 1.5 2007/12/08 18:36:12 dsl Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Emmanuel Dreyfus 17 * 4. The name of the author may not be used to endorse or promote 18 * products derived from this software without specific prior written 19 * permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS'' 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 23 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: linux32_socketcall.c,v 1.5 2007/12/08 18:36:12 dsl Exp $"); 35 36 #include "opt_ktrace.h" 37 #include <sys/types.h> 38 #include <sys/param.h> 39 #include <sys/time.h> 40 #include <sys/proc.h> 41 #include <sys/ucred.h> 42 #include <sys/ktrace.h> 43 44 #include <compat/netbsd32/netbsd32.h> 45 #include <compat/netbsd32/netbsd32_syscallargs.h> 46 47 #include <compat/linux/common/linux_types.h> 48 #include <compat/linux/common/linux_signal.h> 49 #include <compat/linux/linux_syscallargs.h> 50 51 #include <compat/linux32/common/linux32_types.h> 52 #include <compat/linux32/common/linux32_signal.h> 53 #include <compat/linux32/common/linux32_machdep.h> 54 #include <compat/linux32/common/linux32_sysctl.h> 55 #include <compat/linux32/common/linux32_socketcall.h> 56 #include <compat/linux32/linux32_syscallargs.h> 57 58 #define s(f) sizeof(struct s1(f)) 59 #define s1(f) f ## _args 60 61 static const struct { 62 const char *name; 63 int argsize; 64 int (*syscall)(struct lwp *, void *, register_t *); 65 } linux32_socketcall[LINUX32_MAX_SOCKETCALL+1] = { 66 {"invalid", -1, NULL}, 67 {"socket", s(linux32_sys_socket), linux32_sys_socket}, 68 {"bind", s(linux32_sys_bind), linux32_sys_bind}, 69 {"connect", s(linux32_sys_connect), linux32_sys_connect}, 70 {"listen", s(netbsd32_listen), netbsd32_listen}, 71 {"accept", s(linux32_sys_accept), linux32_sys_accept}, 72 {"getsockname", s(linux32_sys_getsockname), linux32_sys_getsockname}, 73 {"getpeername", s(linux32_sys_getpeername), linux32_sys_getpeername}, 74 {"socketpair", s(linux32_sys_socketpair), linux32_sys_socketpair}, 75 {"send", s(linux32_sys_send), linux32_sys_send}, 76 {"recv", s(linux32_sys_recv), linux32_sys_recv}, 77 {"sendto", s(linux32_sys_sendto), linux32_sys_sendto}, 78 {"recvfrom", s(linux32_sys_recvfrom), linux32_sys_recvfrom}, 79 {"shutdown", s(netbsd32_shutdown), netbsd32_shutdown}, 80 {"setsockopt", s(linux32_sys_setsockopt), linux32_sys_setsockopt}, 81 {"getsockopt", s(linux32_sys_getsockopt), linux32_sys_getsockopt}, 82 {"sendmsg", s(linux32_sys_sendmsg), linux32_sys_sendmsg}, 83 {"recvmsg", s(linux32_sys_recvmsg), linux32_sys_recvmsg}, 84 }; 85 #undef s 86 87 int 88 linux32_sys_socketcall(struct lwp *l, void *v, register_t *retval) 89 { 90 struct linux32_sys_socketcall_args /* { 91 syscallarg(int) what; 92 syscallarg(netbsd32_voidp) args; 93 } */ *uap = v; 94 union linux32_socketcall_args ua; 95 int error; 96 97 if (SCARG(uap, what) < 0 || SCARG(uap, what) > LINUX32_MAX_SOCKETCALL) 98 return ENOSYS; 99 100 if ((error = copyin(SCARG_P32(uap, args), &ua, 101 linux32_socketcall[SCARG(uap, what)].argsize)) != 0) 102 return error; 103 104 /* Trace the socket-call arguments as 'GIO' on fd -1 */ 105 ktrkuser(linux32_socketcall[SCARG(uap, what)].name, &ua, 106 linux32_socketcall[SCARG(uap, what)].argsize); 107 108 return linux32_socketcall[SCARG(uap, what)].syscall(l, &ua, retval); 109 } 110