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 39 void dssetup_initialize(void); 40 void srvsvc_initialize(void); 41 void wkssvc_initialize(void); 42 void lsarpc_initialize(void); 43 void logr_initialize(void); 44 void netr_initialize(void); 45 void samr_initialize(void); 46 void svcctl_initialize(void); 47 void winreg_initialize(void); 48 int srvsvc_gettime(unsigned long *); 49 50 static void *mlsvc_keepalive(void *); 51 52 static pthread_t mlsvc_keepalive_thr; 53 #define MLSVC_KEEPALIVE_INTERVAL (10 * 60) /* 10 minutes */ 54 55 /* 56 * Door fd for downcalls to the smbsrv kernel door service. 57 * smbsrv will make an upcall to smbd during initialization to 58 * provide this file descriptor. 59 */ 60 static int mlsvc_door_fd = -1; 61 static mutex_t mlsvc_fd_mutex; 62 63 /* 64 * All mlrpc initialization is invoked from here. 65 * Returns 0 upon success. Otherwise, returns -1. 66 */ 67 int 68 mlsvc_init(void) 69 { 70 pthread_attr_t tattr; 71 int rc; 72 73 srvsvc_initialize(); 74 wkssvc_initialize(); 75 lsarpc_initialize(); 76 netr_initialize(); 77 dssetup_initialize(); 78 samr_initialize(); 79 svcctl_initialize(); 80 winreg_initialize(); 81 logr_initialize(); 82 83 (void) pthread_attr_init(&tattr); 84 (void) pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED); 85 rc = pthread_create(&mlsvc_keepalive_thr, &tattr, 86 mlsvc_keepalive, 0); 87 (void) pthread_attr_destroy(&tattr); 88 return (rc); 89 } 90 91 /*ARGSUSED*/ 92 static void * 93 mlsvc_keepalive(void *arg) 94 { 95 unsigned long t; 96 nt_domain_t *domain; 97 98 for (;;) { 99 (void) sleep(MLSVC_KEEPALIVE_INTERVAL); 100 101 if (smb_config_get_secmode() == SMB_SECMODE_DOMAIN) { 102 domain = nt_domain_lookupbytype(NT_DOMAIN_PRIMARY); 103 if (domain == NULL) 104 (void) lsa_query_primary_domain_info(); 105 (void) srvsvc_gettime(&t); 106 } 107 } 108 109 /*NOTREACHED*/ 110 return (NULL); 111 } 112 113 void 114 mlsvc_set_door_fd(int fd) 115 { 116 (void) mutex_lock(&mlsvc_fd_mutex); 117 mlsvc_door_fd = fd; 118 (void) mutex_unlock(&mlsvc_fd_mutex); 119 } 120 121 int 122 mlsvc_get_door_fd(void) 123 { 124 int fd; 125 126 (void) mutex_lock(&mlsvc_fd_mutex); 127 fd = mlsvc_door_fd; 128 (void) mutex_unlock(&mlsvc_fd_mutex); 129 130 return (fd); 131 } 132 133 uint64_t 134 mlsvc_get_num_users(void) 135 { 136 door_arg_t arg; 137 char *buf; 138 size_t len; 139 int64_t n_users = 0; 140 int fd; 141 142 if ((fd = mlsvc_get_door_fd()) < 0) 143 return (0); 144 145 if ((buf = smb_dr_set_opcode(SMB_KDR_USER_NUM, &len)) == NULL) 146 return (0); 147 148 smb_dr_clnt_setup(&arg, buf, len); 149 150 if (smb_dr_clnt_call(fd, &arg) == 0) { 151 buf = arg.rbuf + SMB_DR_DATA_OFFSET; 152 len = arg.rsize - SMB_DR_DATA_OFFSET; 153 154 if (smb_dr_decode_common(buf, len, xdr_uint32_t, &n_users) != 0) 155 n_users = 0; 156 } 157 158 smb_dr_clnt_cleanup(&arg); 159 return (n_users); 160 } 161 162 /* 163 * The calling function must free the output parameter 'users'. 164 */ 165 int 166 mlsvc_get_user_list(int offset, smb_dr_ulist_t *users) 167 { 168 door_arg_t arg; 169 char *buf; 170 size_t len; 171 uint_t opcode = SMB_KDR_USER_LIST; 172 int fd, rc = -1; 173 174 bzero(users, sizeof (smb_dr_ulist_t)); 175 176 if ((fd = mlsvc_get_door_fd()) < 0) 177 return (-1); 178 179 buf = smb_dr_encode_common(opcode, &offset, xdr_uint32_t, &len); 180 if (buf == NULL) 181 return (-1); 182 183 smb_dr_clnt_setup(&arg, buf, len); 184 185 if (smb_dr_clnt_call(fd, &arg) == 0) { 186 buf = arg.rbuf + SMB_DR_DATA_OFFSET; 187 len = arg.rsize - SMB_DR_DATA_OFFSET; 188 189 rc = smb_dr_decode_common(buf, len, xdr_smb_dr_ulist_t, users); 190 if (rc == 0) 191 rc = users->dul_cnt; 192 } 193 194 smb_dr_clnt_cleanup(&arg); 195 return (rc); 196 } 197 198 /* 199 * Downcall to the kernel that is executed upon share enable and disable. 200 */ 201 int 202 mlsvc_set_share(int shrop, char *path, char *sharename) 203 { 204 door_arg_t arg; 205 char *buf; 206 size_t len; 207 smb_dr_kshare_t kshare; 208 int fd, rc = 0; 209 210 if ((shrop != SMB_SHROP_ADD) && (shrop != SMB_SHROP_DELETE)) 211 return (EINVAL); 212 213 if ((fd = mlsvc_get_door_fd()) < 0) 214 return (EBADF); 215 216 kshare.k_op = shrop; 217 kshare.k_path = strdup(path); 218 kshare.k_sharename = strdup(sharename); 219 220 buf = smb_dr_encode_kshare(&kshare, &len); 221 free(kshare.k_path); 222 free(kshare.k_sharename); 223 224 if (buf == NULL) 225 return (ENOMEM); 226 227 smb_dr_clnt_setup(&arg, buf, len); 228 229 if (smb_dr_clnt_call(fd, &arg) == 0) { 230 buf = arg.rbuf + SMB_DR_DATA_OFFSET; 231 len = arg.rsize - SMB_DR_DATA_OFFSET; 232 233 if (smb_dr_decode_common(buf, len, xdr_int32_t, &rc) != 0) 234 rc = ENOMEM; 235 } 236 237 smb_dr_clnt_cleanup(&arg); 238 return (rc); 239 } 240