1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 * 26 */ 27 28 #include <sys/types.h> 29 #include <stdio.h> 30 #include <sys/fcntl.h> 31 #include <bsm/audit.h> 32 #include <bsm/audit_record.h> 33 #include <bsm/audit_uevents.h> 34 #include <bsm/libbsm.h> 35 #include <bsm/audit_private.h> 36 #include <stdlib.h> 37 #include <string.h> 38 #include <syslog.h> 39 #include <netinet/in.h> 40 #include <unistd.h> 41 #include <synch.h> 42 #include <generic.h> 43 44 #ifdef C2_DEBUG2 45 #define dprintf(x) { (void) printf x; } 46 #else 47 #define dprintf(x) 48 #endif 49 50 static mutex_t audit_mountd_lock = DEFAULTMUTEX; 51 static int cannotaudit = 0; 52 53 /* 54 * This setup call is made only once at the start of mountd. 55 * The call sets the auditing state off if appropriate, and is 56 * made in single threaded code, hence no locking is required. 57 */ 58 void 59 audit_mountd_setup() 60 { 61 dprintf(("audit_mountd_setup()\n")); 62 63 64 if (cannot_audit(0)) 65 cannotaudit = 1; 66 } 67 68 void 69 audit_mountd_mount(clname, path, sorf) 70 char *clname; /* client name */ 71 char *path; /* mount path */ 72 int sorf; /* flag for success or failure */ 73 { 74 uint32_t buf[4], type; 75 dprintf(("audit_mountd_mount()\n")); 76 77 if (cannotaudit) 78 return; 79 80 (void) mutex_lock(&audit_mountd_lock); 81 82 (void) aug_save_namask(); 83 84 (void) aug_save_me(); 85 aug_save_event(AUE_mountd_mount); 86 aug_save_sorf(sorf); 87 aug_save_text(clname); 88 aug_save_path(path); 89 (void) aug_get_machine(clname, buf, &type); 90 aug_save_tid_ex(aug_get_port(), buf, type); 91 (void) aug_audit(); 92 (void) mutex_unlock(&audit_mountd_lock); 93 } 94 95 void 96 audit_mountd_umount(clname, path) 97 char *clname; /* client name */ 98 char *path; /* mount path */ 99 { 100 uint32_t buf[4], type; 101 102 dprintf(("audit_mountd_mount()\n")); 103 104 if (cannotaudit) 105 return; 106 107 (void) mutex_lock(&audit_mountd_lock); 108 109 (void) aug_save_namask(); 110 111 (void) aug_save_me(); 112 aug_save_event(AUE_mountd_umount); 113 aug_save_sorf(0); 114 aug_save_text(clname); 115 aug_save_path(path); 116 (void) aug_get_machine(clname, buf, &type); 117 aug_save_tid_ex(aug_get_port(), buf, type); 118 (void) aug_audit(); 119 (void) mutex_unlock(&audit_mountd_lock); 120 } 121