1c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova/* 2c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * Copyright (c) 1993 Ulrich Pegelow <pegelow@moorea.uni-muenster.de> 3c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl> 4c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com> 5c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl> 6c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * Copyright (c) 2003-2006 Roland McGrath <roland@redhat.com> 7c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * Copyright (c) 2006-2015 Dmitry V. Levin <ldv@altlinux.org> 8c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * All rights reserved. 9c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * 10c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * Redistribution and use in source and binary forms, with or without 11c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * modification, are permitted provided that the following conditions 12c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * are met: 13c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * 1. Redistributions of source code must retain the above copyright 14c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * notice, this list of conditions and the following disclaimer. 15c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * 2. Redistributions in binary form must reproduce the above copyright 16c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * notice, this list of conditions and the following disclaimer in the 17c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * documentation and/or other materials provided with the distribution. 18c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * 3. The name of the author may not be used to endorse or promote products 19c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * derived from this software without specific prior written permission. 20c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * 21c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova */ 32c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova 33c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova#include "defs.h" 34ba10a421b85b7f622975f2e9f92249cfe3dcfcbdMike Frysinger#include "ipc_defs.h" 35c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova 36ba10a421b85b7f622975f2e9f92249cfe3dcfcbdMike Frysinger#ifdef HAVE_SYS_MSG_H 37ba10a421b85b7f622975f2e9f92249cfe3dcfcbdMike Frysinger# include <sys/msg.h> 38ba10a421b85b7f622975f2e9f92249cfe3dcfcbdMike Frysinger#elif defined HAVE_LINUX_MSG_H 39ba10a421b85b7f622975f2e9f92249cfe3dcfcbdMike Frysinger# include <linux/msg.h> 40ba10a421b85b7f622975f2e9f92249cfe3dcfcbdMike Frysinger#endif 41c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova 42c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova#include "xlat/ipc_msg_flags.h" 43c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova#include "xlat/resource_flags.h" 44c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova 45c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira KhabirovaSYS_FUNC(msgget) 46c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova{ 47c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova if (tcp->u_arg[0]) 48c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova tprintf("%#lx, ", tcp->u_arg[0]); 49c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova else 50c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova tprints("IPC_PRIVATE, "); 51c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova if (printflags(resource_flags, tcp->u_arg[1] & ~0777, NULL) != 0) 52c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova tprints("|"); 53c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova tprintf("%#lo", tcp->u_arg[1] & 0777); 54c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova return RVAL_DECODED; 55c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova} 56c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova 57c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirovastatic void 58c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirovatprint_msgsnd(struct tcb *tcp, const long addr, const unsigned long count, 59c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova const unsigned long flags) 60c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova{ 61e2fb0bb2cfdf3a8c9374dd9dea5848f212fbfec3Dmitry V. Levin tprint_msgbuf(tcp, addr, count); 62c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova printflags(ipc_msg_flags, flags, "MSG_???"); 63c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova} 64c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova 65c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira KhabirovaSYS_FUNC(msgsnd) 66c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova{ 67c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova tprintf("%d, ", (int) tcp->u_arg[0]); 68c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova if (indirect_ipccall(tcp)) { 69c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova tprint_msgsnd(tcp, tcp->u_arg[3], tcp->u_arg[1], 70c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova tcp->u_arg[2]); 71c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova } else { 72c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova tprint_msgsnd(tcp, tcp->u_arg[1], tcp->u_arg[2], 73c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova tcp->u_arg[3]); 74c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova } 75c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova return RVAL_DECODED; 76c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova} 77c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova 78c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirovastatic void 79c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirovatprint_msgrcv(struct tcb *tcp, const long addr, const unsigned long count, 80c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova const long msgtyp) 81c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova{ 82e2fb0bb2cfdf3a8c9374dd9dea5848f212fbfec3Dmitry V. Levin tprint_msgbuf(tcp, addr, count); 83c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova tprintf("%ld, ", msgtyp); 84c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova} 85c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova 86d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirovastatic int 87d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirovafetch_msgrcv_args(struct tcb *tcp, const long addr, long *pair) 88d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova{ 89d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova if (current_wordsize == sizeof(long)) { 90d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova if (umoven_or_printaddr(tcp, addr, 2 * sizeof(long), pair)) 91d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova return -1; 92d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova } else { 93d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova unsigned int tmp[2]; 94d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova 95d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova if (umove_or_printaddr(tcp, addr, &tmp)) 96d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova return -1; 97d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova pair[0] = tmp[0]; 98d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova pair[1] = tmp[1]; 99d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova } 100d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova return 0; 101d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova} 102d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova 103c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira KhabirovaSYS_FUNC(msgrcv) 104c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova{ 105c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova if (entering(tcp)) { 106c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova tprintf("%d, ", (int) tcp->u_arg[0]); 107c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova } else { 108c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova if (indirect_ipccall(tcp)) { 109d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova long pair[2]; 110c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova 111d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova if (fetch_msgrcv_args(tcp, tcp->u_arg[3], pair)) 112c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova tprintf(", %lu, ", tcp->u_arg[1]); 113c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova else 114d079fb19f239be3dfb7c7062ce7cae6e908a4f92Elvira Khabirova tprint_msgrcv(tcp, pair[0], tcp->u_arg[1], pair[1]); 115c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova printflags(ipc_msg_flags, tcp->u_arg[2], "MSG_???"); 116c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova } else { 117c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova tprint_msgrcv(tcp, tcp->u_arg[1], 118c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova tcp->u_arg[2], tcp->u_arg[3]); 119c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova printflags(ipc_msg_flags, tcp->u_arg[4], "MSG_???"); 120c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova } 121c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova } 122c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova return 0; 123c01ad06002f6c15fd0c8807e38e452bb240a1f92Elvira Khabirova} 124