| 1 | /* $NetBSD: linux32_socketcall.c,v 1.9 2014/06/21 10:23:07 maxv 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 1.9 2014/06/21 10:23:07 maxv Exp $" ); |
| 35 | |
| 36 | #include <sys/types.h> |
| 37 | #include <sys/param.h> |
| 38 | #include <sys/time.h> |
| 39 | #include <sys/proc.h> |
| 40 | #include <sys/ucred.h> |
| 41 | #include <sys/ktrace.h> |
| 42 | |
| 43 | #include <compat/netbsd32/netbsd32.h> |
| 44 | #include <compat/netbsd32/netbsd32_syscallargs.h> |
| 45 | |
| 46 | #include <compat/linux/common/linux_types.h> |
| 47 | #include <compat/linux/common/linux_signal.h> |
| 48 | #include <compat/linux/common/linux_ipc.h> |
| 49 | #include <compat/linux/common/linux_sem.h> |
| 50 | #include <compat/linux/linux_syscallargs.h> |
| 51 | |
| 52 | #include <compat/linux32/common/linux32_types.h> |
| 53 | #include <compat/linux32/common/linux32_signal.h> |
| 54 | #include <compat/linux32/common/linux32_machdep.h> |
| 55 | #include <compat/linux32/common/linux32_sysctl.h> |
| 56 | #include <compat/linux32/common/linux32_socketcall.h> |
| 57 | #include <compat/linux32/linux32_syscallargs.h> |
| 58 | |
| 59 | #define sc(emul, fn) { "linux32/" #fn, sizeof (struct emul##_##fn##_args), \ |
| 60 | (int (*)(struct lwp *, const void *, register_t *))emul##_##fn } |
| 61 | |
| 62 | static const struct { |
| 63 | const char *name; |
| 64 | int argsize; |
| 65 | int (*syscall)(struct lwp *, const void *, register_t *); |
| 66 | } linux32_socketcall[LINUX32_MAX_SOCKETCALL+1] = { |
| 67 | {"invalid" , -1, NULL}, |
| 68 | sc(linux32_sys, socket), |
| 69 | sc(linux32_sys, bind), |
| 70 | sc(linux32_sys, connect), |
| 71 | sc(netbsd32, listen), |
| 72 | sc(linux32_sys, accept), |
| 73 | sc(linux32_sys, getsockname), |
| 74 | sc(linux32_sys, getpeername), |
| 75 | sc(linux32_sys, socketpair), |
| 76 | sc(linux32_sys, send), |
| 77 | sc(linux32_sys, recv), |
| 78 | sc(linux32_sys, sendto), |
| 79 | sc(linux32_sys, recvfrom), |
| 80 | sc(netbsd32, shutdown), |
| 81 | sc(linux32_sys, setsockopt), |
| 82 | sc(linux32_sys, getsockopt), |
| 83 | sc(linux32_sys, sendmsg), |
| 84 | sc(linux32_sys, recvmsg), |
| 85 | }; |
| 86 | #undef sc |
| 87 | |
| 88 | |
| 89 | int |
| 90 | linux32_sys_socketcall(struct lwp *l, const struct linux32_sys_socketcall_args *uap, register_t *retval) |
| 91 | { |
| 92 | /* { |
| 93 | syscallarg(int) what; |
| 94 | syscallarg(netbsd32_voidp) args; |
| 95 | } */ |
| 96 | union linux32_socketcall_args ua; |
| 97 | int error; |
| 98 | |
| 99 | if (SCARG(uap, what) <= 0 || SCARG(uap, what) > LINUX32_MAX_SOCKETCALL) |
| 100 | return ENOSYS; |
| 101 | |
| 102 | if ((error = copyin(SCARG_P32(uap, args), &ua, |
| 103 | linux32_socketcall[SCARG(uap, what)].argsize)) != 0) |
| 104 | return error; |
| 105 | |
| 106 | /* Trace the socket-call arguments as 'GIO' on fd -1 */ |
| 107 | ktrkuser(linux32_socketcall[SCARG(uap, what)].name, &ua, |
| 108 | linux32_socketcall[SCARG(uap, what)].argsize); |
| 109 | |
| 110 | return linux32_socketcall[SCARG(uap, what)].syscall(l, &ua, retval); |
| 111 | } |
| 112 | |