1 /* 2 * Copyright (c) 2005-2015 Dmitry V. Levin <ldv (at) altlinux.org> 3 * Copyright (c) 2015-2017 The strace developers. 4 * 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. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "defs.h" 30 #include "stat.h" 31 32 static void 33 decode_struct_stat(struct tcb *const tcp, const kernel_ulong_t addr) 34 { 35 struct strace_stat st; 36 37 if (fetch_struct_stat(tcp, addr, &st)) 38 print_struct_stat(tcp, &st); 39 } 40 41 SYS_FUNC(stat) 42 { 43 if (entering(tcp)) { 44 printpath(tcp, tcp->u_arg[0]); 45 tprints(", "); 46 } else { 47 decode_struct_stat(tcp, tcp->u_arg[1]); 48 } 49 return 0; 50 } 51 52 SYS_FUNC(fstat) 53 { 54 if (entering(tcp)) { 55 printfd(tcp, tcp->u_arg[0]); 56 tprints(", "); 57 } else { 58 decode_struct_stat(tcp, tcp->u_arg[1]); 59 } 60 return 0; 61 } 62 63 SYS_FUNC(newfstatat) 64 { 65 if (entering(tcp)) { 66 print_dirfd(tcp, tcp->u_arg[0]); 67 printpath(tcp, tcp->u_arg[1]); 68 tprints(", "); 69 } else { 70 decode_struct_stat(tcp, tcp->u_arg[2]); 71 tprints(", "); 72 printflags(at_flags, tcp->u_arg[3], "AT_???"); 73 } 74 return 0; 75 } 76