1 /* 2 * Copyright (c) 2018-2019 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29 30 #include <sys/sysctl.h> 31 #include <sys/proc.h> 32 #include <net/multi_layer_pkt_log.h> 33 34 SYSCTL_NODE(_net, OID_AUTO, mpklog, 35 CTLFLAG_RW | CTLFLAG_LOCKED, 0, "Multi-layer packet logging"); 36 37 /* 38 * Note: net_mpklog_enabled allows to override the interface flags IFXF_MPK_LOG 39 */ 40 int net_mpklog_enabled = 1; 41 static int sysctl_net_mpklog_enabled SYSCTL_HANDLER_ARGS; 42 SYSCTL_PROC(_net_mpklog, OID_AUTO, enabled, CTLTYPE_INT | CTLFLAG_LOCKED | CTLFLAG_RW, 43 0, 0, &sysctl_net_mpklog_enabled, "I", "Multi-layer packet logging enabled"); 44 45 static int sysctl_net_mpklog_type SYSCTL_HANDLER_ARGS; 46 uint8_t net_mpklog_type = OS_LOG_TYPE_DEFAULT; 47 SYSCTL_PROC(_net_mpklog, OID_AUTO, type, CTLTYPE_INT | CTLFLAG_LOCKED | CTLFLAG_RW, 48 0, 0, &sysctl_net_mpklog_type, "I", "Multi-layer packet logging type"); 49 50 SYSCTL_INT(_net_mpklog, OID_AUTO, version, CTLFLAG_RD | CTLFLAG_LOCKED, 51 (int *)NULL, MPKL_VERSION, "Multi-layer packet logging version"); 52 53 static int 54 sysctl_net_mpklog_enabled SYSCTL_HANDLER_ARGS 55 { 56 #pragma unused(arg1, arg2) 57 int value = net_mpklog_enabled; 58 59 int error = sysctl_handle_int(oidp, &value, 0, req); 60 if (error || !req->newptr) { 61 return error; 62 } 63 64 net_mpklog_enabled = (value == 0) ? 0 : 1; 65 66 os_log(OS_LOG_DEFAULT, "%s:%d set net_mpklog_enabled to %d", 67 proc_best_name(current_proc()), proc_selfpid(), net_mpklog_enabled); 68 69 return 0; 70 } 71 72 static int 73 sysctl_net_mpklog_type SYSCTL_HANDLER_ARGS 74 { 75 #pragma unused(arg1, arg2) 76 int value = net_mpklog_type; 77 78 int error = sysctl_handle_int(oidp, &value, 0, req); 79 if (error || !req->newptr) { 80 return error; 81 } 82 83 if (value != OS_LOG_TYPE_DEFAULT && 84 value != OS_LOG_TYPE_INFO) { 85 return EINVAL; 86 } 87 net_mpklog_type = (uint8_t)value; 88 89 os_log(OS_LOG_DEFAULT, "%s:%d set net_mpklog_type to %u (%s)", 90 proc_best_name(current_proc()), proc_selfpid(), net_mpklog_type, 91 net_mpklog_type == OS_LOG_TYPE_DEFAULT ? "default" : "info"); 92 93 return 0; 94 } 95