1 /* 2 * Copyright (c) 2012-2015 Dmitry V. Levin <ldv (at) altlinux.org> 3 * Copyright (c) 2014-2017 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 31 enum { 32 SYSLOG_ACTION_CLOSE = 0, 33 SYSLOG_ACTION_OPEN, 34 SYSLOG_ACTION_READ, 35 SYSLOG_ACTION_READ_ALL, 36 SYSLOG_ACTION_READ_CLEAR, 37 SYSLOG_ACTION_CLEAR, 38 SYSLOG_ACTION_CONSOLE_OFF, 39 SYSLOG_ACTION_CONSOLE_ON, 40 SYSLOG_ACTION_CONSOLE_LEVEL, 41 SYSLOG_ACTION_SIZE_UNREAD, 42 SYSLOG_ACTION_SIZE_BUFFER 43 }; 44 45 #include "xlat/syslog_action_type.h" 46 47 SYS_FUNC(syslog) 48 { 49 int type = tcp->u_arg[0]; 50 51 if (entering(tcp)) { 52 /* type */ 53 printxval(syslog_action_type, type, "SYSLOG_ACTION_???"); 54 tprints(", "); 55 } 56 57 switch (type) { 58 case SYSLOG_ACTION_READ: 59 case SYSLOG_ACTION_READ_ALL: 60 case SYSLOG_ACTION_READ_CLEAR: 61 if (entering(tcp)) 62 return 0; 63 break; 64 default: 65 printaddr(tcp->u_arg[1]); 66 tprintf(", %" PRI_klu, tcp->u_arg[2]); 67 return RVAL_DECODED; 68 } 69 70 /* bufp */ 71 if (syserror(tcp)) 72 printaddr(tcp->u_arg[1]); 73 else 74 printstrn(tcp, tcp->u_arg[1], tcp->u_rval); 75 /* len */ 76 tprintf(", %d", (int) tcp->u_arg[2]); 77 78 return 0; 79 } 80
