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 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 29 /* 30 * vscand door server 31 */ 32 33 #include <door.h> 34 #include <errno.h> 35 #include <syslog.h> 36 #include <unistd.h> 37 #include <varargs.h> 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <string.h> 41 #include <synch.h> 42 #include <fcntl.h> 43 #include <sys/types.h> 44 #include <sys/stat.h> 45 #include <sys/param.h> 46 #include <pthread.h> 47 #include "vs_incl.h" 48 49 #define VS_DOOR_VERSION 1 50 static int vs_door_cookie; 51 52 /* function prototype */ 53 static void vs_door_scan_req(void *, char *, size_t, door_desc_t *, uint_t); 54 55 /* local data */ 56 static int vs_door_fd = -1; 57 static pthread_mutex_t vs_door_mutex = PTHREAD_MUTEX_INITIALIZER; 58 59 60 /* 61 * vs_door_init 62 * 63 * Start the vscand door service. 64 * Returns 0 on success. Otherwise, -1. 65 */ 66 int 67 vs_door_init(void) 68 { 69 (void) pthread_mutex_lock(&vs_door_mutex); 70 71 if ((vs_door_fd = door_create(vs_door_scan_req, 72 &vs_door_cookie, (DOOR_UNREF | DOOR_REFUSE_DESC))) < 0) { 73 syslog(LOG_ERR, "vscand: door create%s", strerror(errno)); 74 vs_door_fd = -1; 75 } 76 77 (void) pthread_mutex_unlock(&vs_door_mutex); 78 return (vs_door_fd); 79 } 80 81 82 /* 83 * vscan_door_fini 84 * 85 * Stop the vscand door service. 86 */ 87 void 88 vs_door_fini(void) 89 { 90 (void) pthread_mutex_lock(&vs_door_mutex); 91 92 if (vs_door_fd >= 0) { 93 if (door_revoke(vs_door_fd) < 0) 94 syslog(LOG_ERR, "vscand: door revoke %s", 95 strerror(errno)); 96 } 97 98 vs_door_fd = -1; 99 100 (void) pthread_mutex_unlock(&vs_door_mutex); 101 } 102 103 104 /* 105 * vs_door_scan_req 106 * 107 * Invoke the vscand door service. 108 */ 109 /* ARGSUSED */ 110 static void 111 vs_door_scan_req(void *cookie, char *ptr, size_t size, door_desc_t *dp, 112 uint_t n_desc) 113 { 114 vs_scan_req_t *scan_req; 115 uint32_t result = VS_STATUS_ERROR; 116 117 if (ptr != NULL) { 118 /* LINTED E_BAD_PTR_CAST_ALIGN - to be fixed with encoding */ 119 scan_req = (vs_scan_req_t *)ptr; 120 result = vs_svc_queue_scan_req(scan_req); 121 } 122 123 (void) door_return((char *)&result, sizeof (uint32_t), NULL, 0); 124 } 125