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 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 * 25 */ 26 27 #ifndef _AUDIT_REMOTE_H 28 #define _AUDIT_REMOTE_H 29 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 #include <stdio.h> 36 #include <security/auditd.h> 37 38 /* gettext() obfuscation routine for lint */ 39 #ifdef __lint 40 #define gettext(x) x 41 #endif 42 43 44 /* send_record() return code */ 45 enum send_record_rc { 46 SEND_RECORD_SUCCESS, 47 SEND_RECORD_NEXT, 48 SEND_RECORD_RETRY, 49 SEND_RECORD_FAIL 50 }; 51 typedef enum send_record_rc send_record_rc_t; 52 53 /* closing helpers - the reason of connection closure */ 54 enum close_rsn_e { 55 RSN_UNDEFINED, /* reason not defined */ 56 RSN_INIT_POLL, /* poll() initialization failed */ 57 RSN_TOK_RECV_FAILED, /* token receiving failed */ 58 RSN_TOK_TOO_BIG, /* unacceptable token size */ 59 RSN_TOK_UNVERIFIABLE, /* received unverifiable token */ 60 RSN_SOCKET_CLOSE, /* socket closure */ 61 RSN_SOCKET_CREATE, /* socket creation */ 62 RSN_CONNECTION_CREATE, /* connection creation */ 63 RSN_PROTOCOL_NEGOTIATE, /* protocol version negotiation */ 64 RSN_GSS_CTX_ESTABLISH, /* establish GSS-API context */ 65 RSN_GSS_CTX_EXP, /* expiration of the GSS-API context */ 66 RSN_UNKNOWN_AF, /* unknown address family */ 67 RSN_MEMORY_ALLOCATE, /* memory allocation failure */ 68 RSN_OTHER_ERR /* other, not classified error */ 69 }; 70 typedef enum close_rsn_e close_rsn_t; 71 72 /* linked list of remote audit hosts (servers) */ 73 typedef struct hostlist_s hostlist_t; 74 struct hostlist_s { 75 hostlist_t *next_host; 76 struct hostent *host; 77 in_port_t port; /* TCP port number */ 78 gss_OID mech; /* GSS mechanism - see mech(4) */ 79 }; 80 81 /* transq_t - single, already sent token in the transmit queue. */ 82 struct transq_node_s { 83 struct transq_node_s *next; 84 struct transq_node_s *prev; 85 gss_buffer_desc seq_token; /* seq num || plain token */ 86 uint64_t seq_num; /* seq number */ 87 }; 88 typedef struct transq_node_s transq_node_t; 89 90 /* transq_hdr_t - the transmit queue header structure */ 91 struct transq_hdr_s { 92 struct transq_node_s *head; 93 struct transq_node_s *end; 94 long count; /* amount of nodes in the queue */ 95 }; 96 typedef struct transq_hdr_s transq_hdr_t; 97 98 /* pipe_msg_s - the notification pipe message */ 99 struct pipe_msg_s { 100 int sock_num; /* socket fd to be poll()ed and more */ 101 boolean_t sync; /* call the sync routines */ 102 }; 103 typedef struct pipe_msg_s pipe_msg_t; 104 105 106 /* 107 * Cross audit_remote plugin source code shared functions and bool parameters. 108 * 109 * reset_transport() helpers: 110 * arg1) DO_SYNC, DO_NOT_SYNC 111 * arg2) DO_EXIT, DO_CLOSE, DO_NOT_EXIT, DO_NOT_CLOSE 112 */ 113 #define DO_SYNC B_TRUE 114 #define DO_NOT_SYNC B_FALSE 115 #define DO_EXIT B_FALSE 116 #define DO_CLOSE B_TRUE 117 #define DO_NOT_EXIT B_CLOSE 118 #define DO_NOT_CLOSE B_EXIT 119 extern void reset_transport(boolean_t, boolean_t); 120 extern send_record_rc_t send_record(struct hostlist_s *, const char *, size_t, 121 uint64_t, close_rsn_t *); 122 123 #if DEBUG 124 #define DPRINT(x) { (void) fprintf x; (void) fflush(dfile); } 125 #else 126 #define DPRINT(x) 127 #endif 128 129 #if DEBUG 130 extern FILE *dfile; 131 #endif 132 133 134 #ifdef __cplusplus 135 } 136 #endif 137 138 #endif /* _AUDIT_REMOTE_H */ 139