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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 2000 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/types.h> 30 #include <sys/param.h> 31 #include <stdio.h> 32 #include <sys/fcntl.h> 33 #include <bsm/audit.h> 34 #include <bsm/audit_record.h> 35 #include <bsm/audit_uevents.h> 36 #include <bsm/libbsm.h> 37 #include <stdlib.h> 38 #include <string.h> 39 #include <syslog.h> 40 #include <netinet/in.h> 41 #include <sys/socket.h> 42 #include <rpc/rpc.h> 43 #include <tiuser.h> 44 #include <unistd.h> 45 #include <generic.h> 46 #include <note.h> 47 48 #ifdef C2_DEBUG2 49 #define dprintf(x) { printf x; } 50 #else 51 #define dprintf(x) 52 #endif 53 54 /* 55 * netbuf2pm() 56 * 57 * Given an endpt in netbuf form, return the port and machine. 58 * kadmind (currently) only works over IPv4, so only handle IPv4 addresses. 59 */ 60 static void 61 netbuf2pm( 62 struct netbuf *addr, 63 in_port_t *port, 64 uint32_t *machine) 65 { 66 struct sockaddr_in sin4; 67 68 if (!addr) { 69 syslog(LOG_DEBUG, "netbuf2pm: addr == NULL"); 70 return; 71 } 72 73 if (!addr->buf) { 74 syslog(LOG_DEBUG, "netbuf2pm: addr->buf == NULL"); 75 return; 76 } 77 78 (void) memcpy(&sin4, addr->buf, sizeof (struct sockaddr_in)); 79 if (sin4.sin_family == AF_INET) { 80 if (machine) 81 *machine = sin4.sin_addr.s_addr; 82 if (port) 83 *port = sin4.sin_port; 84 } else { 85 dprintf(("netbuf2pm: unknown caller IP address family %d", 86 sin4.sin_family)); 87 syslog(LOG_DEBUG, 88 "netbuf2pm: unknown caller IP address family %d", 89 sin4.sin_family); 90 } 91 } 92 93 #define AUD_NULL_STR(s) ((s) ? (s) : "(null)") 94 95 static void 96 common_audit( 97 au_event_t event, /* audit event */ 98 SVCXPRT *xprt, /* net transport handle */ 99 in_port_t l_port, /* local port */ 100 char *op, /* requested operation */ 101 char *prime_arg, /* argument for op */ 102 char *clnt_name, /* client principal name */ 103 int sorf) /* flag for success or failure */ 104 105 { 106 auditinfo_t ai; 107 in_port_t r_port = 0; 108 dev_t port; 109 uint32_t machine = 0; 110 char text_buf[512]; 111 112 dprintf(("common_audit() start\n")); 113 114 /* if auditing turned off, then don't do anything */ 115 if (cannot_audit(0)) 116 return; 117 118 (void) aug_save_namask(); 119 120 /* 121 * set default values. We will overwrite them if appropriate. 122 */ 123 if (getaudit(&ai)) { 124 perror("kadmind"); 125 return; 126 } 127 aug_save_auid(ai.ai_auid); /* Audit ID */ 128 aug_save_uid(getuid()); /* User ID */ 129 aug_save_euid(geteuid()); /* Effective User ID */ 130 aug_save_gid(getgid()); /* Group ID */ 131 aug_save_egid(getegid()); /* Effective Group ID */ 132 aug_save_pid(getpid()); /* process ID */ 133 aug_save_asid(getpid()); /* session ID */ 134 135 aug_save_event(event); 136 aug_save_sorf(sorf); 137 138 (void) snprintf(text_buf, sizeof (text_buf), "Op: %s", 139 AUD_NULL_STR(op)); 140 aug_save_text(text_buf); 141 (void) snprintf(text_buf, sizeof (text_buf), "Arg: %s", 142 AUD_NULL_STR(prime_arg)); 143 aug_save_text1(text_buf); 144 (void) snprintf(text_buf, sizeof (text_buf), "Client: %s", 145 AUD_NULL_STR(clnt_name)); 146 aug_save_text2(text_buf); 147 148 netbuf2pm(svc_getrpccaller(xprt), &r_port, &machine); 149 150 dprintf(("common_audit(): l_port=%d, r_port=%d,\n", 151 ntohs(l_port), ntohs(r_port))); 152 153 port = (r_port<<16 | l_port); 154 155 aug_save_tid_ex(port, &machine, AU_IPv4); 156 157 (void) aug_audit(); 158 } 159 160 void 161 audit_kadmind_auth( 162 SVCXPRT *xprt, 163 in_port_t l_port, 164 char *op, 165 char *prime_arg, 166 char *clnt_name, 167 int sorf) 168 { 169 common_audit(AUE_kadmind_auth, xprt, l_port, op, prime_arg, 170 clnt_name, sorf); 171 } 172 173 void 174 audit_kadmind_unauth( 175 SVCXPRT *xprt, 176 in_port_t l_port, 177 char *op, 178 char *prime_arg, 179 char *clnt_name) 180 { 181 common_audit(AUE_kadmind_unauth, xprt, l_port, op, prime_arg, 182 clnt_name, 1); 183 } 184