linux_socketcall.c revision 1.16
1 /* $NetBSD: linux_socketcall.c,v 1.16 1998/10/01 03:33:18 erh Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Eric Haszlakiewicz. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Copyright (c) 1995 Frank van der Linden 41 * All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed for the NetBSD Project 54 * by Frank van der Linden 55 * 4. The name of the author may not be used to endorse or promote products 56 * derived from this software without specific prior written permission 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 59 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 60 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 61 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 62 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 63 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 64 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 65 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 66 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 67 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 68 */ 69 70 #include <sys/param.h> 71 #include <sys/kernel.h> 72 #include <sys/systm.h> 73 #include <sys/buf.h> 74 #include <sys/malloc.h> 75 #include <sys/ioctl.h> 76 #include <sys/tty.h> 77 #include <sys/file.h> 78 #include <sys/filedesc.h> 79 #include <sys/select.h> 80 #include <sys/socket.h> 81 #include <sys/socketvar.h> 82 #include <net/if.h> 83 #include <netinet/in.h> 84 #include <netinet/tcp.h> 85 #include <sys/mount.h> 86 #include <sys/proc.h> 87 #include <sys/vnode.h> 88 #include <sys/device.h> 89 90 #include <sys/syscallargs.h> 91 92 #include <compat/linux/linux_types.h> 93 #include <compat/linux/linux_util.h> 94 #include <compat/linux/linux_signal.h> 95 #include <compat/linux/linux_syscallargs.h> 96 #include <compat/linux/linux_ioctl.h> 97 #include <compat/linux/linux_socket.h> 98 #include <compat/linux/linux_socketcall.h> 99 #include <compat/linux/linux_sockio.h> 100 101 /* Used on: arm, i386, m68k, mips, ppc, sparc, sparc64 */ 102 /* Not used on: alpha */ 103 104 /* 105 * This file contains the linux_socketcall() multiplexer. Arguments 106 * for the various socket calls are on the user stack. A pointer 107 * to them is the only thing that is passed. We copyin the arguments 108 * here so the individual functions can assume they are normal syscalls. 109 */ 110 111 /* The sizes of the arguments. Used for copyin. */ 112 int linux_socketcall_argsize[] = { 113 -1, 114 sizeof(struct linux_sys_socket_args), /* 1 */ 115 sizeof(struct linux_sys_bind_args), 116 sizeof(struct linux_sys_connect_args), 117 sizeof(struct linux_sys_listen_args), 118 sizeof(struct linux_sys_accept_args), /* 5 */ 119 sizeof(struct linux_sys_getsockname_args), 120 sizeof(struct linux_sys_getpeername_args), 121 sizeof(struct linux_sys_socketpair_args), 122 sizeof(struct linux_sys_send_args), 123 sizeof(struct linux_sys_recv_args), /* 10 */ 124 sizeof(struct linux_sys_sendto_args), 125 sizeof(struct linux_sys_recvfrom_args), 126 sizeof(struct linux_sys_shutdown_args), 127 sizeof(struct linux_sys_setsockopt_args), 128 sizeof(struct linux_sys_getsockopt_args), /* 15 */ 129 sizeof(struct linux_sys_sendmsg_args), 130 sizeof(struct linux_sys_recvmsg_args), /* 17 */ 131 }; 132 133 /* 134 * Entry point to all Linux socket calls. Just check which call to 135 * make and take appropriate action. 136 */ 137 int 138 linux_sys_socketcall(p, v, retval) 139 struct proc *p; 140 void *v; 141 register_t *retval; 142 { 143 struct linux_sys_socketcall_args /* { 144 syscallarg(int) what; 145 syscallarg(void *) args; 146 } */ *uap = v; 147 struct linux_socketcall_dummy_args lda; 148 int error; 149 150 if (SCARG(uap, what) > LINUX_MAX_SOCKETCALL) 151 return ENOSYS; 152 153 if ((error = copyin((caddr_t) SCARG(uap, args), (caddr_t) &lda, 154 linux_socketcall_argsize[SCARG(uap, what)]))) 155 return error; 156 157 switch (SCARG(uap, what)) { 158 case LINUX_SYS_socket: 159 return linux_sys_socket(p, (void *)&lda, retval); 160 case LINUX_SYS_bind: 161 return sys_bind(p, (void *)&lda, retval); 162 case LINUX_SYS_connect: 163 return sys_connect(p, (void *)&lda, retval); 164 case LINUX_SYS_listen: 165 return sys_listen(p, (void *)&lda, retval); 166 case LINUX_SYS_accept: 167 return compat_43_sys_accept(p, (void *)&lda, retval); 168 case LINUX_SYS_getsockname: 169 return compat_43_sys_getsockname(p, (void *)&lda, retval); 170 case LINUX_SYS_getpeername: 171 return compat_43_sys_getpeername(p, (void *)&lda, retval); 172 case LINUX_SYS_socketpair: 173 return linux_sys_socketpair(p, (void *)&lda, retval); 174 case LINUX_SYS_send: 175 return compat_43_sys_send(p, (void *)&lda, retval); 176 case LINUX_SYS_recv: 177 return compat_43_sys_recv(p, (void *)&lda, retval); 178 case LINUX_SYS_sendto: 179 return linux_sys_sendto(p, (void *)&lda, retval); 180 case LINUX_SYS_recvfrom: 181 return linux_sys_recvfrom(p, (void *)&lda, retval); 182 case LINUX_SYS_shutdown: 183 return sys_shutdown(p, (void *)&lda, retval); 184 case LINUX_SYS_setsockopt: 185 return linux_sys_setsockopt(p, (void *)&lda, retval); 186 case LINUX_SYS_getsockopt: 187 return linux_sys_getsockopt(p, (void *)&lda, retval); 188 case LINUX_SYS_sendmsg: 189 return sys_sendmsg(p, (void *)&lda, retval); 190 case LINUX_SYS_recvmsg: 191 return sys_recvmsg(p, (void *)&lda, retval); 192 default: 193 return ENOSYS; 194 } 195 } 196
Indexes created Tue Sep 23 14:10:03 GMT 2025