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