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 #include <sys/errno.h> 27 #include <stdlib.h> 28 #include <unistd.h> 29 #include <strings.h> 30 #include <string.h> 31 #include <rpc/xdr.h> 32 #include <synch.h> 33 #include <pthread.h> 34 #include <smbsrv/smb_door_svc.h> 35 #include <smbsrv/smb_common_door.h> 36 #include <smbsrv/libsmb.h> 37 #include <smbsrv/libmlsvc.h> 38 #include <mlsvc.h> 39 40 static void *mlsvc_keepalive(void *); 41 42 static pthread_t mlsvc_keepalive_thr; 43 #define MLSVC_KEEPALIVE_INTERVAL (10 * 60) /* 10 minutes */ 44 45 /* 46 * Door fd for downcalls to the smbsrv kernel door service. 47 * smbsrv will make an upcall to smbd during initialization to 48 * provide this file descriptor. 49 */ 50 static int mlsvc_door_fd = -1; 51 static mutex_t mlsvc_fd_mutex; 52 53 /* 54 * All NDR RPC service initialization is invoked from here. 55 * Returns 0 upon success. Otherwise, returns -1. 56 */ 57 int 58 mlsvc_init(void) 59 { 60 pthread_attr_t tattr; 61 int rc; 62 63 if ((rc = smb_dclocator_init()) != 0) 64 return (rc); 65 66 srvsvc_initialize(); 67 wkssvc_initialize(); 68 lsarpc_initialize(); 69 netr_initialize(); 70 dssetup_initialize(); 71 samr_initialize(); 72 svcctl_initialize(); 73 winreg_initialize(); 74 logr_initialize(); 75 msgsvcsend_initialize(); 76 spoolss_initialize(); 77 78 (void) pthread_attr_init(&tattr); 79 (void) pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED); 80 rc = pthread_create(&mlsvc_keepalive_thr, &tattr, 81 mlsvc_keepalive, 0); 82 (void) pthread_attr_destroy(&tattr); 83 return (rc); 84 } 85 86 /*ARGSUSED*/ 87 static void * 88 mlsvc_keepalive(void *arg) 89 { 90 unsigned long t; 91 92 for (;;) { 93 (void) sleep(MLSVC_KEEPALIVE_INTERVAL); 94 95 if (smb_config_get_secmode() == SMB_SECMODE_DOMAIN) 96 (void) srvsvc_gettime(&t); 97 } 98 99 /*NOTREACHED*/ 100 return (NULL); 101 } 102 103 void 104 mlsvc_set_door_fd(int fd) 105 { 106 (void) mutex_lock(&mlsvc_fd_mutex); 107 mlsvc_door_fd = fd; 108 (void) mutex_unlock(&mlsvc_fd_mutex); 109 } 110 111 int 112 mlsvc_get_door_fd(void) 113 { 114 int fd; 115 116 (void) mutex_lock(&mlsvc_fd_mutex); 117 fd = mlsvc_door_fd; 118 (void) mutex_unlock(&mlsvc_fd_mutex); 119 120 return (fd); 121 } 122 123 uint64_t 124 mlsvc_get_num_users(void) 125 { 126 door_arg_t arg; 127 char *buf; 128 size_t len; 129 int64_t n_users = 0; 130 int fd; 131 132 if ((fd = mlsvc_get_door_fd()) < 0) 133 return (0); 134 135 if ((buf = smb_dr_set_opcode(SMB_KDR_USER_NUM, &len)) == NULL) 136 return (0); 137 138 smb_dr_clnt_setup(&arg, buf, len); 139 140 if (smb_dr_clnt_call(fd, &arg) == 0) { 141 buf = arg.rbuf + SMB_DR_DATA_OFFSET; 142 len = arg.rsize - SMB_DR_DATA_OFFSET; 143 144 if (smb_dr_decode_common(buf, len, xdr_uint32_t, &n_users) != 0) 145 n_users = 0; 146 } 147 148 smb_dr_clnt_cleanup(&arg); 149 return (n_users); 150 } 151 152 /* 153 * The calling function must free the output parameter 'users'. 154 */ 155 int 156 mlsvc_get_user_list(int offset, smb_dr_ulist_t *users) 157 { 158 door_arg_t arg; 159 char *buf; 160 size_t len; 161 uint_t opcode = SMB_KDR_USER_LIST; 162 int fd, rc = -1; 163 164 bzero(users, sizeof (smb_dr_ulist_t)); 165 166 if ((fd = mlsvc_get_door_fd()) < 0) 167 return (-1); 168 169 buf = smb_dr_encode_common(opcode, &offset, xdr_uint32_t, &len); 170 if (buf == NULL) 171 return (-1); 172 173 smb_dr_clnt_setup(&arg, buf, len); 174 175 if (smb_dr_clnt_call(fd, &arg) == 0) { 176 buf = arg.rbuf + SMB_DR_DATA_OFFSET; 177 len = arg.rsize - SMB_DR_DATA_OFFSET; 178 179 rc = smb_dr_decode_common(buf, len, xdr_smb_dr_ulist_t, users); 180 if (rc == 0) 181 rc = users->dul_cnt; 182 } 183 184 smb_dr_clnt_cleanup(&arg); 185 return (rc); 186 } 187 188 /* 189 * Downcall to the kernel that is executed upon share enable and disable. 190 */ 191 int 192 mlsvc_set_share(int shrop, char *path, char *sharename) 193 { 194 door_arg_t arg; 195 char *buf; 196 size_t len; 197 smb_dr_kshare_t kshare; 198 int fd, rc = 0; 199 200 if ((shrop != SMB_SHROP_ADD) && (shrop != SMB_SHROP_DELETE)) 201 return (EINVAL); 202 203 if ((fd = mlsvc_get_door_fd()) < 0) 204 return (EBADF); 205 206 kshare.k_op = shrop; 207 kshare.k_path = strdup(path); 208 kshare.k_sharename = strdup(sharename); 209 210 buf = smb_dr_encode_kshare(&kshare, &len); 211 free(kshare.k_path); 212 free(kshare.k_sharename); 213 214 if (buf == NULL) 215 return (ENOMEM); 216 217 smb_dr_clnt_setup(&arg, buf, len); 218 219 if (smb_dr_clnt_call(fd, &arg) == 0) { 220 buf = arg.rbuf + SMB_DR_DATA_OFFSET; 221 len = arg.rsize - SMB_DR_DATA_OFFSET; 222 223 if (smb_dr_decode_common(buf, len, xdr_int32_t, &rc) != 0) 224 rc = ENOMEM; 225 } 226 227 smb_dr_clnt_cleanup(&arg); 228 return (rc); 229 } 230