1 /* 2 * Copyright (c) 1991, 1992 Paul Kranenburg <pk (at) cs.few.eur.nl> 3 * Copyright (c) 1993 Branko Lankester <branko (at) hacktic.nl> 4 * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs (at) world.std.com> 5 * Copyright (c) 1996-1999 Wichert Akkerman <wichert (at) cistron.nl> 6 * Copyright (c) 2005-2015 Dmitry V. Levin <ldv (at) altlinux.org> 7 * Copyright (c) 2015-2017 The strace developers. 8 * All rights reserved. 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. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include "defs.h" 34 #include "asm_stat.h" 35 #include "stat.h" 36 37 #ifdef HAVE_STRUCT___OLD_KERNEL_STAT 38 39 static void 40 print_old_kernel_stat(struct tcb *const tcp, const kernel_ulong_t addr) 41 { 42 struct __old_kernel_stat buf; 43 if (umove_or_printaddr(tcp, addr, &buf)) 44 return; 45 46 struct strace_stat st = { 47 .dev = zero_extend_signed_to_ull(buf.st_dev), 48 .ino = zero_extend_signed_to_ull(buf.st_ino), 49 .rdev = zero_extend_signed_to_ull(buf.st_rdev), 50 .size = zero_extend_signed_to_ull(buf.st_size), 51 .mode = zero_extend_signed_to_ull(buf.st_mode), 52 .nlink = zero_extend_signed_to_ull(buf.st_nlink), 53 .uid = zero_extend_signed_to_ull(buf.st_uid), 54 .gid = zero_extend_signed_to_ull(buf.st_gid), 55 .atime = sign_extend_unsigned_to_ll(buf.st_atime), 56 .ctime = sign_extend_unsigned_to_ll(buf.st_ctime), 57 .mtime = sign_extend_unsigned_to_ll(buf.st_mtime) 58 }; 59 60 print_struct_stat(tcp, &st); 61 } 62 63 SYS_FUNC(oldstat) 64 { 65 if (entering(tcp)) { 66 printpath(tcp, tcp->u_arg[0]); 67 tprints(", "); 68 } else { 69 print_old_kernel_stat(tcp, tcp->u_arg[1]); 70 } 71 return 0; 72 } 73 74 SYS_FUNC(oldfstat) 75 { 76 if (entering(tcp)) { 77 printfd(tcp, tcp->u_arg[0]); 78 tprints(", "); 79 } else { 80 print_old_kernel_stat(tcp, tcp->u_arg[1]); 81 } 82 return 0; 83 } 84 85 #endif /* HAVE_STRUCT___OLD_KERNEL_STAT */ 86
