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) 1993-1996 Rick Sladkey <jrs (at) world.std.com> 5 * Copyright (c) 1996-1999 Wichert Akkerman <wichert (at) cistron.nl> 6 * Copyright (c) 2006 Ulrich Drepper <drepper (at) redhat.com> 7 * Copyright (c) 2006 Bernhard Kaindl <bk (at) suse.de> 8 * Copyright (c) 2006-2015 Dmitry V. Levin <ldv (at) altlinux.org> 9 * Copyright (c) 2014-2017 The strace developers. 10 * All rights reserved. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include "defs.h" 36 37 #include <fcntl.h> 38 #include <sys/stat.h> 39 40 static void 41 decode_mknod(struct tcb *tcp, int offset) 42 { 43 unsigned short mode = tcp->u_arg[offset + 1]; 44 unsigned int dev; 45 46 printpath(tcp, tcp->u_arg[offset]); 47 tprints(", "); 48 print_symbolic_mode_t(mode); 49 switch (mode & S_IFMT) { 50 case S_IFCHR: 51 case S_IFBLK: 52 dev = tcp->u_arg[offset + 2]; 53 tprints(", "); 54 print_dev_t(dev); 55 break; 56 } 57 } 58 59 SYS_FUNC(mknod) 60 { 61 decode_mknod(tcp, 0); 62 63 return RVAL_DECODED; 64 } 65 66 SYS_FUNC(mknodat) 67 { 68 print_dirfd(tcp, tcp->u_arg[0]); 69 decode_mknod(tcp, 1); 70 71 return RVAL_DECODED; 72 } 73