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 2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 * 26 */ 27 28 #ifndef _PLUGIN_H 29 #define _PLUGIN_H 30 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 #include <security/auditd.h> 38 #include "queue.h" 39 40 typedef struct thd { 41 pthread_cond_t thd_cv; 42 pthread_mutex_t thd_mutex; 43 int thd_waiting; 44 } thr_data_t; 45 46 typedef struct plg plugin_t; 47 struct plg { 48 boolean_t plg_initialized; /* if threads, pools created */ 49 boolean_t plg_reopen; /* call auditd_plugin_open */ 50 /* 51 * removed is 1 if last read of audit_control didn't list this 52 * plugin; it needs to be removed. 53 */ 54 boolean_t plg_removed; /* plugin removed */ 55 boolean_t plg_to_be_removed; /* tentative removal state */ 56 57 char *plg_path; /* plugin path */ 58 void *plg_dlptr; /* dynamic lib pointer */ 59 auditd_rc_t (*plg_fplugin)(const char *, size_t, int, char **); 60 auditd_rc_t (*plg_fplugin_open)(const kva_t *, char **, char **); 61 auditd_rc_t (*plg_fplugin_close)(char **); 62 63 kva_t *plg_kvlist; /* plugin inputs */ 64 size_t plg_qmax; /* max queue size */ 65 size_t plg_qmin; /* min queue size */ 66 67 uint32_t plg_sequence; /* buffer counter */ 68 uint32_t plg_last_seq_out; /* buffer counter (debug) */ 69 uint32_t plg_tossed; /* discards (debug) */ 70 uint32_t plg_queued; /* count buffers queued */ 71 uint32_t plg_output; /* count of buffers output */ 72 int plg_priority; /* current priority */ 73 74 au_queue_t plg_pool; /* buffer pool */ 75 au_queue_t plg_queue; /* queue drawn from pool */ 76 int plg_q_threshold; /* max preallocated queue */ 77 audit_q_t *plg_save_q_copy; /* tmp holding for a record */ 78 79 pthread_t plg_tid; /* thread id */ 80 pthread_cond_t plg_cv; 81 pthread_mutex_t plg_mutex; 82 int plg_waiting; /* output thread wait state */ 83 84 int plg_cnt; /* continue policy */ 85 86 int plg_retry_time; /* retry (seconds) */ 87 88 plugin_t *plg_next; /* null is end of list */ 89 }; 90 91 int auditd_thread_init(); 92 void auditd_thread_close(); 93 void auditd_exit(int); 94 95 extern plugin_t *plugin_head; 96 extern pthread_mutex_t plugin_mutex; 97 98 #ifdef __cplusplus 99 } 100 #endif 101 102 #endif /* _PLUGIN_H */ 103