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 /* 23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright 2012 Nexenta Systems, Inc. All rights reserved. 25 */ 26 27 /* 28 * SMB requests. 29 * 30 * Request 31 * Header 32 * Magic 0xFF 'S' 'M' 'B' 33 * smb_com a byte, the "first" command 34 * Error a 4-byte union, ignored in a request 35 * smb_flg a one byte set of eight flags 36 * smb_flg2 a two byte set of 16 flags 37 * . twelve reserved bytes, have a role 38 * in connectionless transports (IPX, UDP?) 39 * smb_tid a 16-bit tree ID, a mount point sorta, 40 * 0xFFFF is this command does not have 41 * or require a tree context 42 * smb_pid a 16-bit process ID 43 * smb_uid a 16-bit user ID, specific to this "session" 44 * and mapped to a system (bona-fide) UID 45 * smb_mid a 16-bit multiplex ID, used to differentiate 46 * multiple simultaneous requests from the same 47 * process (pid) (ref RPC "xid") 48 * 49 * Chained (AndX) commands (0 or more) 50 * smb_wct a byte, number of 16-bit words containing 51 * command parameters, min 2 for chained command 52 * andx_com a byte, the "next" command, 0xFF for none 53 * . an unused byte 54 * andx_off a 16-bit offset, byte displacement from &Magic 55 * to the smb_wct field of the "next" command, 56 * ignore if andx_com is 0xFF, s/b 0 if no next 57 * smb_vwv[] 0 or more 16-bit (sorta) parameters for 58 * "this" command (i.e. smb_com if this is the 59 * first parameters, or the andx_com of the just 60 * previous block. 61 * smb_bcc a 16-bit count of smb_data[] bytes 62 * smb_data[] 0 or more bytes, format specific to commands 63 * padding[] Optional padding 64 * 65 * Last command 66 * smb_wct a byte, number of 16-bit words containing 67 * command parameters, min 0 for chained command 68 * smb_vwv[] 0 or more 16-bit (sorta) parameters for 69 * "this" command (i.e. smb_com if this is the 70 * first parameters, or the andx_com of the just 71 * previous block. 72 * smb_bcc a 16-bit count of smb_data[] bytes 73 * smb_data[] 0 or more bytes, format specific to commands 74 * 75 * Reply 76 * Header 77 * Magic 0xFF 'S' 'M' 'B' 78 * smb_com a byte, the "first" command, corresponds 79 * to request 80 * Error a 4-byte union, coding depends on dialect in use 81 * for "DOS" errors 82 * a byte for error class 83 * an unused byte 84 * a 16-bit word for error code 85 * for "NT" errors 86 * a 32-bit error code which 87 * is a packed class and specifier 88 * for "OS/2" errors 89 * I don't know 90 * The error information is specific to the 91 * last command in the reply chain. 92 * smb_flg a one byte set of eight flags, 0x80 bit set 93 * indicating this message is a reply 94 * smb_flg2 a two byte set of 16 flags 95 * . twelve reserved bytes, have a role 96 * in connectionless transports (IPX, UDP?) 97 * smb_tid a 16-bit tree ID, a mount point sorta, 98 * should be the same as the request 99 * smb_pid a 16-bit process ID, MUST BE the same as request 100 * smb_uid a 16-bit user ID, specific to this "session" 101 * and mapped to a system (bona-fide) UID, 102 * should be the same as request 103 * smb_mid a 16-bit multiplex ID, used to differentiate 104 * multiple simultaneous requests from the same 105 * process (pid) (ref RPC "xid"), MUST BE the 106 * same as request 107 * padding[] Optional padding 108 * 109 * Chained (AndX) commands (0 or more) 110 * smb_wct a byte, number of 16-bit words containing 111 * command parameters, min 2 for chained command, 112 * andx_com a byte, the "next" command, 0xFF for none, 113 * corresponds to request, if this is the chained 114 * command that had an error set to 0xFF 115 * . an unused byte 116 * andx_off a 16-bit offset, byte displacement from &Magic 117 * to the smb_wct field of the "next" command, 118 * ignore if andx_com is 0xFF, s/b 0 if no next 119 * smb_vwv[] 0 or more 16-bit (sorta) parameters for 120 * "this" command (i.e. smb_com if this is the 121 * first parameters, or the andx_com of the just 122 * previous block. Empty if an error. 123 * smb_bcc a 16-bit count of smb_data[] bytes 124 * smb_data[] 0 or more bytes, format specific to commands 125 * empty if an error. 126 * 127 * Last command 128 * smb_wct a byte, number of 16-bit words containing 129 * command parameters, min 0 for chained command 130 * smb_vwv[] 0 or more 16-bit (sorta) parameters for 131 * "this" command (i.e. smb_com if this is the 132 * first parameters, or the andx_com of the just 133 * previous block, empty if an error. 134 * smb_bcc a 16-bit count of smb_data[] bytes 135 * smb_data[] 0 or more bytes, format specific to commands, 136 * empty if an error. 137 */ 138 139 #include <smbsrv/smb_kproto.h> 140 #include <smbsrv/smb_kstat.h> 141 #include <sys/sdt.h> 142 #include <sys/spl.h> 143 144 static int smb_legacy_dispatch_stats_update(kstat_t *, int); 145 static int is_andx_com(unsigned char); 146 static int smbsr_check_result(struct smb_request *, int, int); 147 148 static kstat_t *smb_legacy_dispatch_ksp = NULL; 149 static kmutex_t smb_legacy_dispatch_ksmtx; 150 151 static smb_disp_entry_t smb_disp_table[SMB_COM_NUM] = { 152 { "SmbCreateDirectory", SMB_SDT_OPS(create_directory), /* 0x00 000 */ 153 0x00, PC_NETWORK_PROGRAM_1_0 }, 154 { "SmbDeleteDirectory", SMB_SDT_OPS(delete_directory), /* 0x01 001 */ 155 0x01, PC_NETWORK_PROGRAM_1_0 }, 156 { "SmbOpen", SMB_SDT_OPS(open), /* 0x02 002 */ 157 0x02, PC_NETWORK_PROGRAM_1_0 }, 158 { "SmbCreate", SMB_SDT_OPS(create), /* 0x03 003 */ 159 0x03, PC_NETWORK_PROGRAM_1_0 }, 160 { "SmbClose", SMB_SDT_OPS(close), /* 0x04 004 */ 161 0x04, PC_NETWORK_PROGRAM_1_0 }, 162 { "SmbFlush", SMB_SDT_OPS(flush), /* 0x05 005 */ 163 0x05, PC_NETWORK_PROGRAM_1_0 }, 164 { "SmbDelete", SMB_SDT_OPS(delete), /* 0x06 006 */ 165 0x06, PC_NETWORK_PROGRAM_1_0 }, 166 { "SmbRename", SMB_SDT_OPS(rename), /* 0x07 007 */ 167 0x07, PC_NETWORK_PROGRAM_1_0 }, 168 { "SmbQueryInformation", SMB_SDT_OPS(query_information), /* 0x08 008 */ 169 0x08, PC_NETWORK_PROGRAM_1_0 }, 170 { "SmbSetInformation", SMB_SDT_OPS(set_information), /* 0x09 009 */ 171 0x09, PC_NETWORK_PROGRAM_1_0 }, 172 { "SmbRead", SMB_SDT_OPS(read), /* 0x0A 010 */ 173 0x0A, PC_NETWORK_PROGRAM_1_0 }, 174 { "SmbWrite", SMB_SDT_OPS(write), /* 0x0B 011 */ 175 0x0B, PC_NETWORK_PROGRAM_1_0 }, 176 { "SmbLockByteRange", SMB_SDT_OPS(lock_byte_range), /* 0x0C 012 */ 177 0x0C, PC_NETWORK_PROGRAM_1_0 }, 178 { "SmbUnlockByteRange", SMB_SDT_OPS(unlock_byte_range), /* 0x0D 013 */ 179 0x0D, PC_NETWORK_PROGRAM_1_0 }, 180 { "SmbCreateTemporary", SMB_SDT_OPS(create_temporary), /* 0x0E 014 */ 181 0x0E, PC_NETWORK_PROGRAM_1_0 }, 182 { "SmbCreateNew", SMB_SDT_OPS(create_new), /* 0x0F 015 */ 183 0x0F, PC_NETWORK_PROGRAM_1_0 }, 184 { "SmbCheckDirectory", SMB_SDT_OPS(check_directory), /* 0x10 016 */ 185 0x10, PC_NETWORK_PROGRAM_1_0 }, 186 { "SmbProcessExit", SMB_SDT_OPS(process_exit), /* 0x11 017 */ 187 0x11, PC_NETWORK_PROGRAM_1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, 188 0, 0, { 0 } }, 189 { "SmbSeek", SMB_SDT_OPS(seek), /* 0x12 018 */ 190 0x12, PC_NETWORK_PROGRAM_1_0 }, 191 { "SmbLockAndRead", SMB_SDT_OPS(lock_and_read), /* 0x13 019 */ 192 0x13, LANMAN1_0 }, 193 { "SmbWriteAndUnlock", SMB_SDT_OPS(write_and_unlock), /* 0x14 020 */ 194 0x14, LANMAN1_0 }, 195 { "Invalid", SMB_SDT_OPS(invalid), 0x15, 0 }, /* 0x15 021 */ 196 { "Invalid", SMB_SDT_OPS(invalid), 0x16, 0 }, /* 0x16 022 */ 197 { "Invalid", SMB_SDT_OPS(invalid), 0x17, 0 }, /* 0x17 023 */ 198 { "Invalid", SMB_SDT_OPS(invalid), 0x18, 0 }, /* 0x18 024 */ 199 { "Invalid", SMB_SDT_OPS(invalid), 0x19, 0 }, /* 0x19 025 */ 200 { "SmbReadRaw", SMB_SDT_OPS(read_raw), /* 0x1A 026 */ 201 0x1A, LANMAN1_0 }, 202 { "Invalid", SMB_SDT_OPS(invalid), 0x1B, 0 }, /* 0x1B 027 */ 203 { "Invalid", SMB_SDT_OPS(invalid), 0x1C, 0 }, /* 0x1C 028 */ 204 { "SmbWriteRaw", SMB_SDT_OPS(write_raw), /* 0x1D 029 */ 205 0x1D, LANMAN1_0 }, 206 { "Invalid", SMB_SDT_OPS(invalid), 0x1E, 0 }, /* 0x1E 030 */ 207 { "Invalid", SMB_SDT_OPS(invalid), 0x1F, 0 }, /* 0x1F 031 */ 208 { "Invalid", SMB_SDT_OPS(invalid), 0x20, 0 }, /* 0x20 032 */ 209 { "Invalid", SMB_SDT_OPS(invalid), 0x21, 0 }, /* 0x21 033 */ 210 { "SmbSetInformation2", SMB_SDT_OPS(set_information2), /* 0x22 034 */ 211 0x22, LANMAN1_0 }, 212 { "SmbQueryInformation2", 213 SMB_SDT_OPS(query_information2), /* 0x23 035 */ 214 0x23, LANMAN1_0 }, 215 { "SmbLockingX", SMB_SDT_OPS(locking_andx), /* 0x24 036 */ 216 0x24, LANMAN1_0 }, 217 { "SmbTransaction", SMB_SDT_OPS(transaction), /* 0x25 037 */ 218 0x25, LANMAN1_0 }, 219 { "SmbTransactionSecondary", 220 SMB_SDT_OPS(transaction_secondary), /* 0x26 038 */ 221 0x26, LANMAN1_0 }, 222 { "SmbIoctl", SMB_SDT_OPS(ioctl), /* 0x27 039 */ 223 0x27, LANMAN1_0 }, 224 { "Invalid", SMB_SDT_OPS(invalid), 0x28, 0 }, /* 0x28 040 */ 225 { "Invalid", SMB_SDT_OPS(invalid), 0x29, 0 }, /* 0x29 041 */ 226 { "Invalid", SMB_SDT_OPS(invalid), 0x2A, 0 }, /* 0x2A 042 */ 227 { "SmbEcho", SMB_SDT_OPS(echo), /* 0x2B 043 */ 228 0x2B, LANMAN1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID }, 229 { "SmbWriteAndClose", SMB_SDT_OPS(write_and_close), /* 0x2C 044 */ 230 0x2C, LANMAN1_0 }, 231 { "SmbOpenX", SMB_SDT_OPS(open_andx), /* 0x2D 045 */ 232 0x2D, LANMAN1_0 }, 233 { "SmbReadX", SMB_SDT_OPS(read_andx), /* 0x2E 046 */ 234 0x2E, LANMAN1_0 }, 235 { "SmbWriteX", SMB_SDT_OPS(write_andx), /* 0x2F 047 */ 236 0x2F, LANMAN1_0 }, 237 { "Invalid", SMB_SDT_OPS(invalid), 0x30, 0 }, /* 0x30 048 */ 238 { "SmbCloseAndTreeDisconnect", 239 SMB_SDT_OPS(close_and_tree_disconnect), /* 0x31 049 */ 240 0x31, LANMAN1_0 }, 241 { "SmbTransaction2", SMB_SDT_OPS(transaction2), /* 0x32 050 */ 242 0x32, LM1_2X002 }, 243 { "SmbTransaction2Secondary", 244 SMB_SDT_OPS(transaction2_secondary), /* 0x33 051 */ 245 0x33, LM1_2X002 }, 246 { "SmbFindClose2", SMB_SDT_OPS(find_close2), /* 0x34 052 */ 247 0x34, LM1_2X002 }, 248 { "Invalid", SMB_SDT_OPS(invalid), 0x35, 0 }, /* 0x35 053 */ 249 { "Invalid", SMB_SDT_OPS(invalid), 0x36, 0 }, /* 0x36 054 */ 250 { "Invalid", SMB_SDT_OPS(invalid), 0x37, 0 }, /* 0x37 055 */ 251 { "Invalid", SMB_SDT_OPS(invalid), 0x38, 0 }, /* 0x38 056 */ 252 { "Invalid", SMB_SDT_OPS(invalid), 0x39, 0 }, /* 0x39 057 */ 253 { "Invalid", SMB_SDT_OPS(invalid), 0x3A, 0 }, /* 0x3A 058 */ 254 { "Invalid", SMB_SDT_OPS(invalid), 0x3B, 0 }, /* 0x3B 059 */ 255 { "Invalid", SMB_SDT_OPS(invalid), 0x3C, 0 }, /* 0x3C 060 */ 256 { "Invalid", SMB_SDT_OPS(invalid), 0x3D, 0 }, /* 0x3D 061 */ 257 { "Invalid", SMB_SDT_OPS(invalid), 0x3E, 0 }, /* 0x3E 062 */ 258 { "Invalid", SMB_SDT_OPS(invalid), 0x3F, 0 }, /* 0x3F 063 */ 259 { "Invalid", SMB_SDT_OPS(invalid), 0x40, 0 }, /* 0x40 064 */ 260 { "Invalid", SMB_SDT_OPS(invalid), 0x47, 0 }, /* 0x47 065 */ 261 { "Invalid", SMB_SDT_OPS(invalid), 0x48, 0 }, /* 0x48 066 */ 262 { "Invalid", SMB_SDT_OPS(invalid), 0x49, 0 }, /* 0x49 067 */ 263 { "Invalid", SMB_SDT_OPS(invalid), 0x44, 0 }, /* 0x44 068 */ 264 { "Invalid", SMB_SDT_OPS(invalid), 0x45, 0 }, /* 0x45 069 */ 265 { "Invalid", SMB_SDT_OPS(invalid), 0x46, 0 }, /* 0x46 070 */ 266 { "Invalid", SMB_SDT_OPS(invalid), 0x47, 0 }, /* 0x47 071 */ 267 { "Invalid", SMB_SDT_OPS(invalid), 0x48, 0 }, /* 0x48 072 */ 268 { "Invalid", SMB_SDT_OPS(invalid), 0x49, 0 }, /* 0x49 073 */ 269 { "Invalid", SMB_SDT_OPS(invalid), 0x4A, 0 }, /* 0x4A 074 */ 270 { "Invalid", SMB_SDT_OPS(invalid), 0x4B, 0 }, /* 0x4B 075 */ 271 { "Invalid", SMB_SDT_OPS(invalid), 0x4C, 0 }, /* 0x4C 076 */ 272 { "Invalid", SMB_SDT_OPS(invalid), 0x4D, 0 }, /* 0x4D 077 */ 273 { "Invalid", SMB_SDT_OPS(invalid), 0x4E, 0 }, /* 0x4E 078 */ 274 { "Invalid", SMB_SDT_OPS(invalid), 0x4F, 0 }, /* 0x4F 079 */ 275 { "Invalid", SMB_SDT_OPS(invalid), 0x50, 0 }, /* 0x50 080 */ 276 { "Invalid", SMB_SDT_OPS(invalid), 0x51, 0 }, /* 0x51 081 */ 277 { "Invalid", SMB_SDT_OPS(invalid), 0x52, 0 }, /* 0x52 082 */ 278 { "Invalid", SMB_SDT_OPS(invalid), 0x53, 0 }, /* 0x53 083 */ 279 { "Invalid", SMB_SDT_OPS(invalid), 0x54, 0 }, /* 0x54 084 */ 280 { "Invalid", SMB_SDT_OPS(invalid), 0x55, 0 }, /* 0x55 085 */ 281 { "Invalid", SMB_SDT_OPS(invalid), 0x56, 0 }, /* 0x56 086 */ 282 { "Invalid", SMB_SDT_OPS(invalid), 0x57, 0 }, /* 0x57 087 */ 283 { "Invalid", SMB_SDT_OPS(invalid), 0x58, 0 }, /* 0x58 088 */ 284 { "Invalid", SMB_SDT_OPS(invalid), 0x59, 0 }, /* 0x59 089 */ 285 { "Invalid", SMB_SDT_OPS(invalid), 0x5A, 0 }, /* 0x5A 090 */ 286 { "Invalid", SMB_SDT_OPS(invalid), 0x5B, 0 }, /* 0x5B 091 */ 287 { "Invalid", SMB_SDT_OPS(invalid), 0x5C, 0 }, /* 0x5C 092 */ 288 { "Invalid", SMB_SDT_OPS(invalid), 0x5D, 0 }, /* 0x5D 093 */ 289 { "Invalid", SMB_SDT_OPS(invalid), 0x5E, 0 }, /* 0x5E 094 */ 290 { "Invalid", SMB_SDT_OPS(invalid), 0x5F, 0 }, /* 0x5F 095 */ 291 { "Invalid", SMB_SDT_OPS(invalid), 0x60, 0 }, /* 0x60 096 */ 292 { "Invalid", SMB_SDT_OPS(invalid), 0x61, 0 }, /* 0x61 097 */ 293 { "Invalid", SMB_SDT_OPS(invalid), 0x62, 0 }, /* 0x62 098 */ 294 { "Invalid", SMB_SDT_OPS(invalid), 0x63, 0 }, /* 0x63 099 */ 295 { "Invalid", SMB_SDT_OPS(invalid), 0x64, 0 }, /* 0x64 100 */ 296 { "Invalid", SMB_SDT_OPS(invalid), 0x65, 0 }, /* 0x65 101 */ 297 { "Invalid", SMB_SDT_OPS(invalid), 0x66, 0 }, /* 0x66 102 */ 298 { "Invalid", SMB_SDT_OPS(invalid), 0x67, 0 }, /* 0x67 103 */ 299 { "Invalid", SMB_SDT_OPS(invalid), 0x68, 0 }, /* 0x68 104 */ 300 { "Invalid", SMB_SDT_OPS(invalid), 0x69, 0 }, /* 0x69 105 */ 301 { "Invalid", SMB_SDT_OPS(invalid), 0x6A, 0 }, /* 0x6A 106 */ 302 { "Invalid", SMB_SDT_OPS(invalid), 0x6B, 0 }, /* 0x6B 107 */ 303 { "Invalid", SMB_SDT_OPS(invalid), 0x6C, 0 }, /* 0x6C 108 */ 304 { "Invalid", SMB_SDT_OPS(invalid), 0x6D, 0 }, /* 0x6D 109 */ 305 { "Invalid", SMB_SDT_OPS(invalid), 0x6E, 0 }, /* 0x6E 110 */ 306 { "Invalid", SMB_SDT_OPS(invalid), 0x6F, 0 }, /* 0x6F 111 */ 307 { "SmbTreeConnect", SMB_SDT_OPS(tree_connect), /* 0x70 112 */ 308 0x70, PC_NETWORK_PROGRAM_1_0, SDDF_SUPPRESS_TID }, 309 { "SmbTreeDisconnect", SMB_SDT_OPS(tree_disconnect), /* 0x71 113 */ 310 0x71, PC_NETWORK_PROGRAM_1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, 311 NULL }, 312 { "SmbNegotiate", SMB_SDT_OPS(negotiate), /* 0x72 114 */ 313 0x72, PC_NETWORK_PROGRAM_1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, 314 NULL }, 315 { "SmbSessionSetupX", SMB_SDT_OPS(session_setup_andx), /* 0x73 115 */ 316 0x73, LANMAN1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID }, 317 { "SmbLogoffX", SMB_SDT_OPS(logoff_andx), /* 0x74 116 */ 318 0x74, LM1_2X002, SDDF_SUPPRESS_TID }, 319 { "SmbTreeConnectX", SMB_SDT_OPS(tree_connect_andx), /* 0x75 117 */ 320 0x75, LANMAN1_0, SDDF_SUPPRESS_TID }, 321 { "Invalid", SMB_SDT_OPS(invalid), 0x76, 0, 0 }, /* 0x76 118 */ 322 { "Invalid", SMB_SDT_OPS(invalid), 0x77, 0, 0 }, /* 0x77 119 */ 323 { "Invalid", SMB_SDT_OPS(invalid), 0x78, 0, 0 }, /* 0x78 120 */ 324 { "Invalid", SMB_SDT_OPS(invalid), 0x79, 0, 0 }, /* 0x79 121 */ 325 { "Invalid", SMB_SDT_OPS(invalid), 0x7A, 0, 0 }, /* 0x7A 122 */ 326 { "Invalid", SMB_SDT_OPS(invalid), 0x7B, 0, 0 }, /* 0x7B 123 */ 327 { "Invalid", SMB_SDT_OPS(invalid), 0x7C, 0, 0 }, /* 0x7C 124 */ 328 { "Invalid", SMB_SDT_OPS(invalid), 0x7D, 0, 0 }, /* 0x7D 125 */ 329 { "Invalid", SMB_SDT_OPS(invalid), 0x7E, 0, 0 }, /* 0x7E 126 */ 330 { "Invalid", SMB_SDT_OPS(invalid), 0x7F, 0, 0 }, /* 0x7F 127 */ 331 { "SmbQueryInformationDisk", 332 SMB_SDT_OPS(query_information_disk), /* 0x80 128 */ 333 0x80, PC_NETWORK_PROGRAM_1_0, 0 }, 334 { "SmbSearch", SMB_SDT_OPS(search), /* 0x81 129 */ 335 0x81, PC_NETWORK_PROGRAM_1_0, 0 }, 336 { "SmbFind", SMB_SDT_OPS(find), /* 0x82 130 */ 337 0x82, LANMAN1_0, 0 }, 338 { "SmbFindUnique", SMB_SDT_OPS(find_unique), /* 0x83 131 */ 339 0x83, LANMAN1_0, 0 }, 340 { "SmbFindClose", SMB_SDT_OPS(find_close), /* 0x84 132 */ 341 0x84, LANMAN1_0, 0 }, 342 { "Invalid", SMB_SDT_OPS(invalid), 0x85, 0, 0 }, /* 0x85 133 */ 343 { "Invalid", SMB_SDT_OPS(invalid), 0x86, 0, 0 }, /* 0x86 134 */ 344 { "Invalid", SMB_SDT_OPS(invalid), 0x87, 0, 0 }, /* 0x87 135 */ 345 { "Invalid", SMB_SDT_OPS(invalid), 0x88, 0, 0 }, /* 0x88 136 */ 346 { "Invalid", SMB_SDT_OPS(invalid), 0x89, 0, 0 }, /* 0x89 137 */ 347 { "Invalid", SMB_SDT_OPS(invalid), 0x8A, 0, 0 }, /* 0x8A 138 */ 348 { "Invalid", SMB_SDT_OPS(invalid), 0x8B, 0, 0 }, /* 0x8B 139 */ 349 { "Invalid", SMB_SDT_OPS(invalid), 0x8C, 0, 0 }, /* 0x8C 140 */ 350 { "Invalid", SMB_SDT_OPS(invalid), 0x8D, 0, 0 }, /* 0x8D 141 */ 351 { "Invalid", SMB_SDT_OPS(invalid), 0x8E, 0, 0 }, /* 0x8E 142 */ 352 { "Invalid", SMB_SDT_OPS(invalid), 0x8F, 0, 0 }, /* 0x8F 143 */ 353 { "Invalid", SMB_SDT_OPS(invalid), 0x90, 0, 0 }, /* 0x90 144 */ 354 { "Invalid", SMB_SDT_OPS(invalid), 0x91, 0, 0 }, /* 0x91 145 */ 355 { "Invalid", SMB_SDT_OPS(invalid), 0x92, 0, 0 }, /* 0x92 146 */ 356 { "Invalid", SMB_SDT_OPS(invalid), 0x93, 0, 0 }, /* 0x93 147 */ 357 { "Invalid", SMB_SDT_OPS(invalid), 0x94, 0, 0 }, /* 0x94 148 */ 358 { "Invalid", SMB_SDT_OPS(invalid), 0x95, 0, 0 }, /* 0x95 149 */ 359 { "Invalid", SMB_SDT_OPS(invalid), 0x96, 0, 0 }, /* 0x96 150 */ 360 { "Invalid", SMB_SDT_OPS(invalid), 0x97, 0, 0 }, /* 0x97 151 */ 361 { "Invalid", SMB_SDT_OPS(invalid), 0x98, 0, 0 }, /* 0x98 152 */ 362 { "Invalid", SMB_SDT_OPS(invalid), 0x99, 0, 0 }, /* 0x99 153 */ 363 { "Invalid", SMB_SDT_OPS(invalid), 0x9A, 0, 0 }, /* 0x9A 154 */ 364 { "Invalid", SMB_SDT_OPS(invalid), 0x9B, 0, 0 }, /* 0x9B 155 */ 365 { "Invalid", SMB_SDT_OPS(invalid), 0x9C, 0, 0 }, /* 0x9C 156 */ 366 { "Invalid", SMB_SDT_OPS(invalid), 0x9D, 0, 0 }, /* 0x9D 157 */ 367 { "Invalid", SMB_SDT_OPS(invalid), 0x9E, 0, 0 }, /* 0x9E 158 */ 368 { "Invalid", SMB_SDT_OPS(invalid), 0x9F, 0, 0 }, /* 0x9F 159 */ 369 { "SmbNtTransact", SMB_SDT_OPS(nt_transact), /* 0xA0 160 */ 370 0xA0, NT_LM_0_12, 0 }, 371 { "SmbNtTransactSecondary", 372 SMB_SDT_OPS(nt_transact_secondary), /* 0xA1 161 */ 373 0xA1, NT_LM_0_12, 0 }, 374 { "SmbNtCreateX", SMB_SDT_OPS(nt_create_andx), /* 0xA2 162 */ 375 0xA2, NT_LM_0_12, 0 }, 376 { "Invalid", SMB_SDT_OPS(invalid), 0xA3, 0, 0 }, /* 0xA3 163 */ 377 { "SmbNtCancel", SMB_SDT_OPS(nt_cancel), /* 0xA4 164 */ 378 0xA4, NT_LM_0_12, 0 }, 379 { "SmbNtRename", SMB_SDT_OPS(nt_rename), /* 0xA5 165 */ 380 0xA5, NT_LM_0_12, 0 }, 381 { "Invalid", SMB_SDT_OPS(invalid), 0xA6, 0, 0 }, /* 0xA6 166 */ 382 { "Invalid", SMB_SDT_OPS(invalid), 0xA7, 0, 0 }, /* 0xA7 167 */ 383 { "Invalid", SMB_SDT_OPS(invalid), 0xA8, 0, 0 }, /* 0xA8 168 */ 384 { "Invalid", SMB_SDT_OPS(invalid), 0xA9, 0, 0 }, /* 0xA9 169 */ 385 { "Invalid", SMB_SDT_OPS(invalid), 0xAA, 0, 0 }, /* 0xAA 170 */ 386 { "Invalid", SMB_SDT_OPS(invalid), 0xAB, 0, 0 }, /* 0xAB 171 */ 387 { "Invalid", SMB_SDT_OPS(invalid), 0xAC, 0, 0 }, /* 0xAC 172 */ 388 { "Invalid", SMB_SDT_OPS(invalid), 0xAD, 0, 0 }, /* 0xAD 173 */ 389 { "Invalid", SMB_SDT_OPS(invalid), 0xAE, 0, 0 }, /* 0xAE 174 */ 390 { "Invalid", SMB_SDT_OPS(invalid), 0xAF, 0, 0 }, /* 0xAF 175 */ 391 { "Invalid", SMB_SDT_OPS(invalid), 0xB0, 0, 0 }, /* 0xB0 176 */ 392 { "Invalid", SMB_SDT_OPS(invalid), 0xB1, 0, 0 }, /* 0xB1 177 */ 393 { "Invalid", SMB_SDT_OPS(invalid), 0xB2, 0, 0 }, /* 0xB2 178 */ 394 { "Invalid", SMB_SDT_OPS(invalid), 0xB3, 0, 0 }, /* 0xB3 179 */ 395 { "Invalid", SMB_SDT_OPS(invalid), 0xB4, 0, 0 }, /* 0xB4 180 */ 396 { "Invalid", SMB_SDT_OPS(invalid), 0xB5, 0, 0 }, /* 0xB5 181 */ 397 { "Invalid", SMB_SDT_OPS(invalid), 0xB6, 0, 0 }, /* 0xB6 182 */ 398 { "Invalid", SMB_SDT_OPS(invalid), 0xB7, 0, 0 }, /* 0xB7 183 */ 399 { "Invalid", SMB_SDT_OPS(invalid), 0xB8, 0, 0 }, /* 0xB8 184 */ 400 { "Invalid", SMB_SDT_OPS(invalid), 0xB9, 0, 0 }, /* 0xB9 185 */ 401 { "Invalid", SMB_SDT_OPS(invalid), 0xBA, 0, 0 }, /* 0xBA 186 */ 402 { "Invalid", SMB_SDT_OPS(invalid), 0xBB, 0, 0 }, /* 0xBB 187 */ 403 { "Invalid", SMB_SDT_OPS(invalid), 0xBC, 0, 0 }, /* 0xBC 188 */ 404 { "Invalid", SMB_SDT_OPS(invalid), 0xBD, 0, 0 }, /* 0xBD 189 */ 405 { "Invalid", SMB_SDT_OPS(invalid), 0xBE, 0, 0 }, /* 0xBE 190 */ 406 { "Invalid", SMB_SDT_OPS(invalid), 0xBF, 0, 0 }, /* 0xBF 191 */ 407 { "SmbOpenPrintFile", SMB_SDT_OPS(open_print_file), /* 0xC0 192 */ 408 0xC0, PC_NETWORK_PROGRAM_1_0, 0 }, 409 { "SmbWritePrintFile", SMB_SDT_OPS(write_print_file), /* 0xC1 193 */ 410 0xC1, PC_NETWORK_PROGRAM_1_0, 0 }, 411 { "SmbClosePrintFile", SMB_SDT_OPS(close_print_file), /* 0xC2 194 */ 412 0xC2, PC_NETWORK_PROGRAM_1_0, 0 }, 413 { "SmbGetPrintQueue", SMB_SDT_OPS(get_print_queue), /* 0xC3 195 */ 414 0xC3, PC_NETWORK_PROGRAM_1_0, 0 }, 415 { "Invalid", SMB_SDT_OPS(invalid), 0xC4, 0, 0 }, /* 0xC4 196 */ 416 { "Invalid", SMB_SDT_OPS(invalid), 0xC5, 0, 0 }, /* 0xC5 197 */ 417 { "Invalid", SMB_SDT_OPS(invalid), 0xC6, 0, 0 }, /* 0xC6 198 */ 418 { "Invalid", SMB_SDT_OPS(invalid), 0xC7, 0, 0 }, /* 0xC7 199 */ 419 { "Invalid", SMB_SDT_OPS(invalid), 0xC8, 0, 0 }, /* 0xC8 200 */ 420 { "Invalid", SMB_SDT_OPS(invalid), 0xC9, 0, 0 }, /* 0xC9 201 */ 421 { "Invalid", SMB_SDT_OPS(invalid), 0xCA, 0, 0 }, /* 0xCA 202 */ 422 { "Invalid", SMB_SDT_OPS(invalid), 0xCB, 0, 0 }, /* 0xCB 203 */ 423 { "Invalid", SMB_SDT_OPS(invalid), 0xCC, 0, 0 }, /* 0xCC 204 */ 424 { "Invalid", SMB_SDT_OPS(invalid), 0xCD, 0, 0 }, /* 0xCD 205 */ 425 { "Invalid", SMB_SDT_OPS(invalid), 0xCE, 0, 0 }, /* 0xCE 206 */ 426 { "Invalid", SMB_SDT_OPS(invalid), 0xCF, 0, 0 }, /* 0xCF 207 */ 427 { "Invalid", SMB_SDT_OPS(invalid), 0xD0, 0, 0 }, /* 0xD0 208 */ 428 { "Invalid", SMB_SDT_OPS(invalid), 0xD1, 0, 0 }, /* 0xD1 209 */ 429 { "Invalid", SMB_SDT_OPS(invalid), 0xD2, 0, 0 }, /* 0xD2 210 */ 430 { "Invalid", SMB_SDT_OPS(invalid), 0xD3, 0, 0 }, /* 0xD3 211 */ 431 { "Invalid", SMB_SDT_OPS(invalid), 0xD4, 0, 0 }, /* 0xD4 212 */ 432 { "Invalid", SMB_SDT_OPS(invalid), 0xD5, 0, 0 }, /* 0xD5 213 */ 433 { "Invalid", SMB_SDT_OPS(invalid), 0xD6, 0, 0 }, /* 0xD6 214 */ 434 { "Invalid", SMB_SDT_OPS(invalid), 0xD7, 0, 0 }, /* 0xD7 215 */ 435 { "Invalid", SMB_SDT_OPS(invalid), 0xD8, 0, 0 }, /* 0xD8 216 */ 436 { "Invalid", SMB_SDT_OPS(invalid), 0xD9, 0, 0 }, /* 0xD9 217 */ 437 { "Invalid", SMB_SDT_OPS(invalid), 0xDA, 0, 0 }, /* 0xDA 218 */ 438 { "Invalid", SMB_SDT_OPS(invalid), 0xDB, 0, 0 }, /* 0xDB 219 */ 439 { "Invalid", SMB_SDT_OPS(invalid), 0xDC, 0, 0 }, /* 0xDC 220 */ 440 { "Invalid", SMB_SDT_OPS(invalid), 0xDD, 0, 0 }, /* 0xDD 221 */ 441 { "Invalid", SMB_SDT_OPS(invalid), 0xDE, 0, 0 }, /* 0xDE 222 */ 442 { "Invalid", SMB_SDT_OPS(invalid), 0xDF, 0, 0 }, /* 0xDF 223 */ 443 { "Invalid", SMB_SDT_OPS(invalid), 0xE0, 0, 0 }, /* 0xE0 224 */ 444 { "Invalid", SMB_SDT_OPS(invalid), 0xE1, 0, 0 }, /* 0xE1 225 */ 445 { "Invalid", SMB_SDT_OPS(invalid), 0xE2, 0, 0 }, /* 0xE2 226 */ 446 { "Invalid", SMB_SDT_OPS(invalid), 0xE3, 0, 0 }, /* 0xE3 227 */ 447 { "Invalid", SMB_SDT_OPS(invalid), 0xE4, 0, 0 }, /* 0xE4 228 */ 448 { "Invalid", SMB_SDT_OPS(invalid), 0xE5, 0, 0 }, /* 0xE5 229 */ 449 { "Invalid", SMB_SDT_OPS(invalid), 0xE6, 0, 0 }, /* 0xE6 230 */ 450 { "Invalid", SMB_SDT_OPS(invalid), 0xE7, 0, 0 }, /* 0xE7 231 */ 451 { "Invalid", SMB_SDT_OPS(invalid), 0xE8, 0, 0 }, /* 0xE8 232 */ 452 { "Invalid", SMB_SDT_OPS(invalid), 0xE9, 0, 0 }, /* 0xE9 233 */ 453 { "Invalid", SMB_SDT_OPS(invalid), 0xEA, 0, 0 }, /* 0xEA 234 */ 454 { "Invalid", SMB_SDT_OPS(invalid), 0xEB, 0, 0 }, /* 0xEB 235 */ 455 { "Invalid", SMB_SDT_OPS(invalid), 0xEC, 0, 0 }, /* 0xEC 236 */ 456 { "Invalid", SMB_SDT_OPS(invalid), 0xED, 0, 0 }, /* 0xED 237 */ 457 { "Invalid", SMB_SDT_OPS(invalid), 0xEE, 0, 0 }, /* 0xEE 238 */ 458 { "Invalid", SMB_SDT_OPS(invalid), 0xEF, 0, 0 }, /* 0xEF 239 */ 459 { "Invalid", SMB_SDT_OPS(invalid), 0xF0, 0, 0 }, /* 0xF0 240 */ 460 { "Invalid", SMB_SDT_OPS(invalid), 0xF1, 0, 0 }, /* 0xF1 241 */ 461 { "Invalid", SMB_SDT_OPS(invalid), 0xF2, 0, 0 }, /* 0xF2 242 */ 462 { "Invalid", SMB_SDT_OPS(invalid), 0xF3, 0, 0 }, /* 0xF3 243 */ 463 { "Invalid", SMB_SDT_OPS(invalid), 0xF4, 0, 0 }, /* 0xF4 244 */ 464 { "Invalid", SMB_SDT_OPS(invalid), 0xF5, 0, 0 }, /* 0xF5 245 */ 465 { "Invalid", SMB_SDT_OPS(invalid), 0xF6, 0, 0 }, /* 0xF6 246 */ 466 { "Invalid", SMB_SDT_OPS(invalid), 0xF7, 0, 0 }, /* 0xF7 247 */ 467 { "Invalid", SMB_SDT_OPS(invalid), 0xF8, 0, 0 }, /* 0xF8 248 */ 468 { "Invalid", SMB_SDT_OPS(invalid), 0xF9, 0, 0 }, /* 0xF9 249 */ 469 { "Invalid", SMB_SDT_OPS(invalid), 0xFA, 0, 0 }, /* 0xFA 250 */ 470 { "Invalid", SMB_SDT_OPS(invalid), 0xFB, 0, 0 }, /* 0xFB 251 */ 471 { "Invalid", SMB_SDT_OPS(invalid), 0xFC, 0, 0 }, /* 0xFC 252 */ 472 { "Invalid", SMB_SDT_OPS(invalid), 0xFD, 0, 0 }, /* 0xFD 253 */ 473 { "Invalid", SMB_SDT_OPS(invalid), 0xFE, 0, 0 }, /* 0xFE 254 */ 474 { "Invalid", SMB_SDT_OPS(invalid), 0xFF, 0, 0 } /* 0xFF 255 */ 475 }; 476 477 /* 478 * smbsr_cleanup 479 * 480 * If any user/tree/file is used by given request then 481 * the reference count for that resource has been incremented. 482 * This function decrements the reference count and close 483 * the resource if it's needed. 484 */ 485 486 void 487 smbsr_cleanup(smb_request_t *sr) 488 { 489 ASSERT((sr->sr_state != SMB_REQ_STATE_CLEANED_UP) && 490 (sr->sr_state != SMB_REQ_STATE_COMPLETED)); 491 492 if (sr->r_xa) { 493 if (sr->r_xa->xa_flags & SMB_XA_FLAG_COMPLETE) 494 smb_xa_close(sr->r_xa); 495 smb_xa_rele(sr->session, sr->r_xa); 496 sr->r_xa = NULL; 497 } 498 499 /* 500 * Mark this request so we know that we've already cleaned it up. 501 * A request should only get cleaned up once so multiple calls to 502 * smbsr_cleanup for the same request indicate a bug. 503 */ 504 mutex_enter(&sr->sr_mutex); 505 if (sr->sr_state != SMB_REQ_STATE_CANCELED) 506 sr->sr_state = SMB_REQ_STATE_CLEANED_UP; 507 mutex_exit(&sr->sr_mutex); 508 } 509 /* 510 * smb_dispatch_request 511 * 512 * Returns: 513 * 514 * B_TRUE The caller must free the smb request passed in. 515 * B_FALSE The caller must not access the smb request passed in. It has 516 * been kept in an internal queue and may have already been freed. 517 */ 518 boolean_t 519 smb_dispatch_request(struct smb_request *sr) 520 { 521 smb_sdrc_t sdrc; 522 smb_disp_entry_t *sdd; 523 boolean_t disconnect = B_FALSE; 524 smb_session_t *session; 525 uint32_t capabilities; 526 uint32_t byte_count; 527 uint32_t max_bytes; 528 529 session = sr->session; 530 capabilities = session->capabilities; 531 532 ASSERT(sr->tid_tree == 0); 533 ASSERT(sr->uid_user == 0); 534 ASSERT(sr->fid_ofile == 0); 535 sr->smb_fid = (uint16_t)-1; 536 537 /* temporary until we identify a user */ 538 sr->user_cr = kcred; 539 sr->orig_request_hdr = sr->command.chain_offset; 540 541 /* If this connection is shutting down just kill request */ 542 if (smb_mbc_decodef(&sr->command, SMB_HEADER_ED_FMT, 543 &sr->smb_com, 544 &sr->smb_rcls, 545 &sr->smb_reh, 546 &sr->smb_err, 547 &sr->smb_flg, 548 &sr->smb_flg2, 549 &sr->smb_pid_high, 550 sr->smb_sig, 551 &sr->smb_tid, 552 &sr->smb_pid, 553 &sr->smb_uid, 554 &sr->smb_mid) != 0) { 555 disconnect = B_TRUE; 556 goto drop_connection; 557 } 558 559 /* 560 * The reply "header" is filled in now even though it will, 561 * most likely, be rewritten under reply_ready below. We 562 * could reserve the space but this is convenient in case 563 * the dialect dispatcher has to send a special reply (like 564 * TRANSACT). 565 * 566 * Ensure that the 32-bit error code flag is turned off. 567 * Clients seem to set it in transact requests and they may 568 * get confused if we return success or a 16-bit SMB code. 569 */ 570 sr->smb_rcls = 0; 571 sr->smb_reh = 0; 572 sr->smb_err = 0; 573 sr->smb_flg2 &= ~SMB_FLAGS2_NT_STATUS; 574 575 (void) smb_mbc_encodef(&sr->reply, SMB_HEADER_ED_FMT, 576 sr->smb_com, 577 sr->smb_rcls, 578 sr->smb_reh, 579 sr->smb_err, 580 sr->smb_flg, 581 sr->smb_flg2, 582 sr->smb_pid_high, 583 sr->smb_sig, 584 sr->smb_tid, 585 sr->smb_pid, 586 sr->smb_uid, 587 sr->smb_mid); 588 sr->first_smb_com = sr->smb_com; 589 590 /* 591 * Verify SMB signature if signing is enabled, dialect is NT LM 0.12, 592 * signing was negotiated and authentication has occurred. 593 */ 594 if (session->signing.flags & SMB_SIGNING_ENABLED) { 595 if (smb_sign_check_request(sr) != 0) { 596 smbsr_error(sr, NT_STATUS_ACCESS_DENIED, 597 ERRDOS, ERROR_ACCESS_DENIED); 598 disconnect = B_TRUE; 599 goto report_error; 600 } 601 } 602 603 andx_more: 604 sdd = &smb_disp_table[sr->smb_com]; 605 ASSERT(sdd->sdt_function); 606 607 if (smb_mbc_decodef(&sr->command, "b", &sr->smb_wct) != 0) { 608 disconnect = B_TRUE; 609 goto report_error; 610 } 611 612 (void) MBC_SHADOW_CHAIN(&sr->smb_vwv, &sr->command, 613 sr->command.chain_offset, sr->smb_wct * 2); 614 615 if (smb_mbc_decodef(&sr->command, "#.w", sr->smb_wct*2, &sr->smb_bcc)) { 616 disconnect = B_TRUE; 617 goto report_error; 618 } 619 620 atomic_add_64(&sdd->sdt_rxb, 621 (int64_t)(sr->smb_wct * 2 + sr->smb_bcc + 1)); 622 sr->sr_txb = sr->reply.chain_offset; 623 624 /* 625 * Ignore smb_bcc if CAP_LARGE_READX/CAP_LARGE_WRITEX 626 * and this is SmbReadX/SmbWriteX since this enables 627 * large reads/write and bcc is only 16-bits. 628 */ 629 max_bytes = sr->command.max_bytes - sr->command.chain_offset; 630 if (((sr->smb_com == SMB_COM_READ_ANDX) && 631 (capabilities & CAP_LARGE_READX)) || 632 ((sr->smb_com == SMB_COM_WRITE_ANDX) && 633 (capabilities & CAP_LARGE_WRITEX))) { 634 /* May be > BCC */ 635 byte_count = max_bytes; 636 } else if (max_bytes < (uint32_t)sr->smb_bcc) { 637 /* BCC is bogus. Will fail later. */ 638 byte_count = max_bytes; 639 } else { 640 /* ordinary case */ 641 byte_count = (uint32_t)sr->smb_bcc; 642 } 643 644 (void) MBC_SHADOW_CHAIN(&sr->smb_data, &sr->command, 645 sr->command.chain_offset, byte_count); 646 647 sr->command.chain_offset += byte_count; 648 if (sr->command.chain_offset > sr->command.max_bytes) { 649 disconnect = B_TRUE; 650 goto report_error; 651 } 652 653 /* Store pointers for later */ 654 sr->cur_reply_offset = sr->reply.chain_offset; 655 656 if (is_andx_com(sr->smb_com)) { 657 /* Peek ahead and don't disturb vwv */ 658 if (smb_mbc_peek(&sr->smb_vwv, sr->smb_vwv.chain_offset, "b.w", 659 &sr->andx_com, &sr->andx_off) < 0) { 660 disconnect = B_TRUE; 661 goto report_error; 662 } 663 } else { 664 sr->andx_com = (unsigned char)-1; 665 } 666 667 mutex_enter(&sr->sr_mutex); 668 switch (sr->sr_state) { 669 case SMB_REQ_STATE_SUBMITTED: 670 case SMB_REQ_STATE_CLEANED_UP: 671 sr->sr_state = SMB_REQ_STATE_ACTIVE; 672 break; 673 case SMB_REQ_STATE_CANCELED: 674 break; 675 default: 676 ASSERT(0); 677 break; 678 } 679 mutex_exit(&sr->sr_mutex); 680 681 /* 682 * Setup UID and TID information (if required). Both functions 683 * will set the sr credentials. In domain mode, the user and 684 * tree credentials should be the same. In share mode, the 685 * tree credentials (defined in the share definition) should 686 * override the user credentials. 687 */ 688 if (!(sdd->sdt_flags & SDDF_SUPPRESS_UID) && (sr->uid_user == NULL)) { 689 sr->uid_user = smb_session_lookup_uid(session, sr->smb_uid); 690 if (sr->uid_user == NULL) { 691 smbsr_error(sr, 0, ERRSRV, ERRbaduid); 692 smbsr_cleanup(sr); 693 goto report_error; 694 } 695 696 sr->user_cr = smb_user_getcred(sr->uid_user); 697 } 698 if (!(sdd->sdt_flags & SDDF_SUPPRESS_TID) && (sr->tid_tree == NULL)) { 699 sr->tid_tree = smb_session_lookup_tree(session, sr->smb_tid); 700 if (sr->tid_tree == NULL) { 701 smbsr_error(sr, 0, ERRSRV, ERRinvnid); 702 smbsr_cleanup(sr); 703 goto report_error; 704 } 705 } 706 707 /* 708 * If the command is not a read raw request we can set the 709 * state of the session back to SMB_SESSION_STATE_NEGOTIATED 710 * (if the current state is SMB_SESSION_STATE_OPLOCK_BREAKING). 711 * Otherwise we let the read raw handler to deal with it. 712 */ 713 smb_rwx_rwenter(&session->s_lock, RW_READER); 714 if ((session->s_state == SMB_SESSION_STATE_OPLOCK_BREAKING) && 715 (sr->smb_com != SMB_COM_READ_RAW)) { 716 (void) smb_rwx_rwupgrade(&session->s_lock); 717 if (session->s_state == SMB_SESSION_STATE_OPLOCK_BREAKING) 718 session->s_state = SMB_SESSION_STATE_NEGOTIATED; 719 } 720 smb_rwx_rwexit(&session->s_lock); 721 722 sr->sr_time_start = gethrtime(); 723 if ((sdrc = (*sdd->sdt_pre_op)(sr)) == SDRC_SUCCESS) 724 sdrc = (*sdd->sdt_function)(sr); 725 726 if (sdrc != SDRC_SR_KEPT) { 727 (*sdd->sdt_post_op)(sr); 728 smbsr_cleanup(sr); 729 } 730 smb_latency_add_sample(&sdd->sdt_lat, gethrtime() - sr->sr_time_start); 731 732 atomic_add_64(&sdd->sdt_txb, 733 (int64_t)(sr->reply.chain_offset - sr->sr_txb)); 734 735 if (sdrc != SDRC_SUCCESS) { 736 /* 737 * Handle errors from raw write. 738 */ 739 smb_rwx_rwenter(&session->s_lock, RW_WRITER); 740 if (session->s_state == SMB_SESSION_STATE_WRITE_RAW_ACTIVE) { 741 /* 742 * Set state so that the netbios session 743 * daemon will start accepting data again. 744 */ 745 session->s_write_raw_status = 0; 746 session->s_state = SMB_SESSION_STATE_NEGOTIATED; 747 } 748 smb_rwx_rwexit(&session->s_lock); 749 } 750 751 switch (sdrc) { 752 case SDRC_SUCCESS: 753 break; 754 755 case SDRC_DROP_VC: 756 disconnect = B_TRUE; 757 goto drop_connection; 758 759 case SDRC_NO_REPLY: 760 return (B_TRUE); 761 762 case SDRC_SR_KEPT: 763 return (B_FALSE); 764 765 case SDRC_ERROR: 766 goto report_error; 767 768 case SDRC_NOT_IMPLEMENTED: 769 default: 770 smbsr_error(sr, 0, ERRDOS, ERRbadfunc); 771 goto report_error; 772 } 773 774 /* 775 * If there's no AndX command, we're done. 776 */ 777 if (sr->andx_com == 0xff) 778 goto reply_ready; 779 780 /* 781 * Otherwise, we have to back-patch the AndXCommand and AndXOffset 782 * and continue processing. 783 */ 784 sr->andx_prev_wct = sr->cur_reply_offset; 785 (void) smb_mbc_poke(&sr->reply, sr->andx_prev_wct + 1, "b.w", 786 sr->andx_com, MBC_LENGTH(&sr->reply)); 787 788 sr->command.chain_offset = sr->orig_request_hdr + sr->andx_off; 789 sr->smb_com = sr->andx_com; 790 goto andx_more; 791 792 report_error: 793 sr->reply.chain_offset = sr->cur_reply_offset; 794 (void) smb_mbc_encodef(&sr->reply, "bw", 0, 0); 795 796 sr->smb_wct = 0; 797 sr->smb_bcc = 0; 798 799 if (sr->smb_rcls == 0 && sr->smb_reh == 0 && sr->smb_err == 0) 800 smbsr_error(sr, 0, ERRSRV, ERRerror); 801 802 reply_ready: 803 smbsr_send_reply(sr); 804 805 drop_connection: 806 if (disconnect) { 807 smb_rwx_rwenter(&session->s_lock, RW_WRITER); 808 switch (session->s_state) { 809 case SMB_SESSION_STATE_DISCONNECTED: 810 case SMB_SESSION_STATE_TERMINATED: 811 break; 812 default: 813 smb_soshutdown(session->sock); 814 session->s_state = SMB_SESSION_STATE_DISCONNECTED; 815 break; 816 } 817 smb_rwx_rwexit(&session->s_lock); 818 } 819 820 return (B_TRUE); 821 } 822 823 int 824 smbsr_encode_empty_result(struct smb_request *sr) 825 { 826 return (smbsr_encode_result(sr, 0, 0, "bw", 0, 0)); 827 } 828 829 int 830 smbsr_encode_result(struct smb_request *sr, int wct, int bcc, char *fmt, ...) 831 { 832 va_list ap; 833 834 if (MBC_LENGTH(&sr->reply) != sr->cur_reply_offset) 835 return (-1); 836 837 va_start(ap, fmt); 838 (void) smb_mbc_vencodef(&sr->reply, fmt, ap); 839 va_end(ap); 840 841 sr->smb_wct = (unsigned char)wct; 842 sr->smb_bcc = (uint16_t)bcc; 843 844 if (smbsr_check_result(sr, wct, bcc) != 0) 845 return (-1); 846 847 return (0); 848 } 849 850 static int 851 smbsr_check_result(struct smb_request *sr, int wct, int bcc) 852 { 853 int offset = sr->cur_reply_offset; 854 int total_bytes; 855 unsigned char temp, temp1; 856 struct mbuf *m; 857 858 total_bytes = 0; 859 m = sr->reply.chain; 860 while (m != 0) { 861 total_bytes += m->m_len; 862 m = m->m_next; 863 } 864 865 if ((offset + 3) > total_bytes) 866 return (-1); 867 868 (void) smb_mbc_peek(&sr->reply, offset, "b", &temp); 869 if (temp != wct) 870 return (-1); 871 872 if ((offset + (wct * 2 + 1)) > total_bytes) 873 return (-1); 874 875 /* reply wct & vwv seem ok, consider data now */ 876 offset += wct * 2 + 1; 877 878 if ((offset + 2) > total_bytes) 879 return (-1); 880 881 (void) smb_mbc_peek(&sr->reply, offset, "bb", &temp, &temp1); 882 if (bcc == VAR_BCC) { 883 if ((temp != 0xFF) || (temp1 != 0xFF)) { 884 return (-1); 885 } else { 886 bcc = (total_bytes - offset) - 2; 887 (void) smb_mbc_poke(&sr->reply, offset, "bb", 888 bcc, bcc >> 8); 889 } 890 } else { 891 if ((temp != (bcc&0xFF)) || (temp1 != ((bcc>>8)&0xFF))) 892 return (-1); 893 } 894 895 offset += bcc + 2; 896 897 if (offset != total_bytes) 898 return (-1); 899 900 sr->smb_wct = (unsigned char)wct; 901 sr->smb_bcc = (uint16_t)bcc; 902 return (0); 903 } 904 905 int 906 smbsr_decode_vwv(struct smb_request *sr, char *fmt, ...) 907 { 908 int rc; 909 va_list ap; 910 911 va_start(ap, fmt); 912 rc = smb_mbc_vdecodef(&sr->smb_vwv, fmt, ap); 913 va_end(ap); 914 915 if (rc) 916 smbsr_error(sr, 0, ERRSRV, ERRerror); 917 return (rc); 918 } 919 920 int 921 smbsr_decode_data(struct smb_request *sr, char *fmt, ...) 922 { 923 int rc; 924 va_list ap; 925 926 va_start(ap, fmt); 927 rc = smb_mbc_vdecodef(&sr->smb_data, fmt, ap); 928 va_end(ap); 929 930 if (rc) 931 smbsr_error(sr, 0, ERRSRV, ERRerror); 932 return (rc); 933 } 934 935 boolean_t 936 smbsr_decode_data_avail(smb_request_t *sr) 937 { 938 return (sr->smb_data.chain_offset < sr->smb_data.max_bytes); 939 } 940 941 void 942 smbsr_send_reply(smb_request_t *sr) 943 { 944 if (SMB_TREE_IS_CASEINSENSITIVE(sr)) 945 sr->smb_flg |= SMB_FLAGS_CASE_INSENSITIVE; 946 else 947 sr->smb_flg &= ~SMB_FLAGS_CASE_INSENSITIVE; 948 949 (void) smb_mbc_poke(&sr->reply, 0, SMB_HEADER_ED_FMT, 950 sr->first_smb_com, 951 sr->smb_rcls, 952 sr->smb_reh, 953 sr->smb_err, 954 sr->smb_flg | SMB_FLAGS_REPLY, 955 sr->smb_flg2, 956 sr->smb_pid_high, 957 sr->smb_sig, 958 sr->smb_tid, 959 sr->smb_pid, 960 sr->smb_uid, 961 sr->smb_mid); 962 963 if (sr->session->signing.flags & SMB_SIGNING_ENABLED) 964 smb_sign_reply(sr, NULL); 965 966 smb_server_inc_req(sr->session->s_server); 967 if (smb_session_send(sr->session, 0, &sr->reply) == 0) 968 sr->reply.chain = 0; 969 } 970 971 /* 972 * Map errno values to SMB and NT status values. 973 * Note: ESRCH is a special case to handle a streams lookup failure. 974 */ 975 static struct { 976 int errnum; 977 int errcls; 978 int errcode; 979 DWORD status32; 980 } smb_errno_map[] = { 981 { ENOSPC, ERRDOS, ERROR_DISK_FULL, NT_STATUS_DISK_FULL }, 982 { EDQUOT, ERRDOS, ERROR_DISK_FULL, NT_STATUS_DISK_FULL }, 983 { EPERM, ERRSRV, ERRaccess, NT_STATUS_ACCESS_DENIED }, 984 { ENOTDIR, ERRDOS, ERRbadpath, NT_STATUS_OBJECT_PATH_NOT_FOUND }, 985 { EISDIR, ERRDOS, ERRbadpath, NT_STATUS_FILE_IS_A_DIRECTORY }, 986 { ENOENT, ERRDOS, ERRbadfile, NT_STATUS_NO_SUCH_FILE }, 987 { ENOTEMPTY, ERRDOS, ERROR_DIR_NOT_EMPTY, 988 NT_STATUS_DIRECTORY_NOT_EMPTY }, 989 { EILSEQ, ERRDOS, ERROR_INVALID_NAME, 990 NT_STATUS_OBJECT_NAME_INVALID }, 991 { EACCES, ERRDOS, ERRnoaccess, NT_STATUS_ACCESS_DENIED }, 992 { ENOMEM, ERRDOS, ERRnomem, NT_STATUS_NO_MEMORY }, 993 { EIO, ERRHRD, ERRgeneral, NT_STATUS_IO_DEVICE_ERROR }, 994 { EXDEV, ERRSRV, ERRdiffdevice, NT_STATUS_NOT_SAME_DEVICE }, 995 { EREMOTE, ERRSRV, ERRbadpath, NT_STATUS_PATH_NOT_COVERED}, 996 { EROFS, ERRHRD, ERRnowrite, NT_STATUS_ACCESS_DENIED }, 997 { ESTALE, ERRDOS, ERRbadfid, NT_STATUS_INVALID_HANDLE }, 998 { EBADF, ERRDOS, ERRbadfid, NT_STATUS_INVALID_HANDLE }, 999 { EEXIST, ERRDOS, ERRfilexists, NT_STATUS_OBJECT_NAME_COLLISION }, 1000 { ENXIO, ERRSRV, ERRinvdevice, NT_STATUS_BAD_DEVICE_TYPE }, 1001 { ESRCH, ERRDOS, ERROR_FILE_NOT_FOUND, 1002 NT_STATUS_OBJECT_NAME_NOT_FOUND }, 1003 /* 1004 * It's not clear why smb_read_common effectively returns 1005 * ERRnoaccess if a range lock prevents access and smb_write_common 1006 * effectively returns ERRaccess. This table entry is used by 1007 * smb_read_common and preserves the behavior that was there before. 1008 */ 1009 { ERANGE, ERRDOS, ERRnoaccess, NT_STATUS_FILE_LOCK_CONFLICT } 1010 }; 1011 1012 void 1013 smbsr_map_errno(int errnum, smb_error_t *err) 1014 { 1015 int i; 1016 1017 for (i = 0; i < sizeof (smb_errno_map)/sizeof (smb_errno_map[0]); ++i) { 1018 if (smb_errno_map[i].errnum == errnum) { 1019 err->status = smb_errno_map[i].status32; 1020 err->errcls = smb_errno_map[i].errcls; 1021 err->errcode = smb_errno_map[i].errcode; 1022 return; 1023 } 1024 } 1025 1026 err->status = NT_STATUS_INTERNAL_ERROR; 1027 err->errcls = ERRDOS; 1028 err->errcode = ERROR_INTERNAL_ERROR; 1029 } 1030 1031 void 1032 smbsr_errno(struct smb_request *sr, int errnum) 1033 { 1034 smbsr_map_errno(errnum, &sr->smb_error); 1035 smbsr_set_error(sr, &sr->smb_error); 1036 } 1037 1038 /* 1039 * Report a request processing status (error or warning). 1040 */ 1041 void 1042 smbsr_status(smb_request_t *sr, DWORD status, uint16_t errcls, uint16_t errcode) 1043 { 1044 sr->smb_error.status = status; 1045 sr->smb_error.errcls = errcls; 1046 sr->smb_error.errcode = errcode; 1047 1048 smbsr_set_error(sr, &sr->smb_error); 1049 } 1050 1051 /* 1052 * Setup a request processing error. This function can be used to 1053 * report 32-bit status codes or DOS errors. Set the status code 1054 * to 0 (NT_STATUS_SUCCESS) to explicitly report a DOS error, 1055 * regardless of the client capabilities. 1056 * 1057 * If status is non-zero and the client supports 32-bit status 1058 * codes, report the status. Otherwise, report the DOS error. 1059 */ 1060 void 1061 smbsr_set_error(smb_request_t *sr, smb_error_t *err) 1062 { 1063 uint32_t status; 1064 uint32_t capabilities; 1065 1066 ASSERT(sr); 1067 ASSERT(err); 1068 1069 status = err->status; 1070 capabilities = sr->session->capabilities; 1071 1072 if ((err->errcls == 0) && (err->errcode == 0)) { 1073 capabilities |= CAP_STATUS32; 1074 if (status == 0) 1075 status = NT_STATUS_INTERNAL_ERROR; 1076 } 1077 1078 if ((capabilities & CAP_STATUS32) && (status != 0)) { 1079 sr->smb_rcls = status & 0xff; 1080 sr->smb_reh = (status >> 8) & 0xff; 1081 sr->smb_err = status >> 16; 1082 sr->smb_flg2 |= SMB_FLAGS2_NT_STATUS; 1083 } else { 1084 if ((err->errcls == 0) || (err->errcode == 0)) { 1085 sr->smb_rcls = ERRSRV; 1086 sr->smb_err = ERRerror; 1087 } else { 1088 sr->smb_rcls = (uint8_t)err->errcls; 1089 sr->smb_err = (uint16_t)err->errcode; 1090 } 1091 } 1092 } 1093 1094 smb_xa_t * 1095 smbsr_lookup_xa(smb_request_t *sr) 1096 { 1097 ASSERT(sr->r_xa == 0); 1098 1099 sr->r_xa = smb_xa_find(sr->session, sr->smb_pid, sr->smb_mid); 1100 return (sr->r_xa); 1101 } 1102 1103 void 1104 smbsr_release_file(smb_request_t *sr) 1105 { 1106 smb_ofile_t *of = sr->fid_ofile; 1107 1108 sr->fid_ofile = NULL; 1109 (void) smb_ofile_release(of); 1110 } 1111 1112 void 1113 smbsr_lookup_file(smb_request_t *sr) 1114 { 1115 if (sr->fid_ofile == NULL) 1116 sr->fid_ofile = smb_ofile_lookup_by_fid(sr, sr->smb_fid); 1117 } 1118 1119 static int 1120 is_andx_com(unsigned char com) 1121 { 1122 switch (com) { 1123 case SMB_COM_LOCKING_ANDX: 1124 case SMB_COM_OPEN_ANDX: 1125 case SMB_COM_READ_ANDX: 1126 case SMB_COM_WRITE_ANDX: 1127 case SMB_COM_SESSION_SETUP_ANDX: 1128 case SMB_COM_LOGOFF_ANDX: 1129 case SMB_COM_TREE_CONNECT_ANDX: 1130 case SMB_COM_NT_CREATE_ANDX: 1131 return (1); 1132 } 1133 return (0); 1134 } 1135 1136 /* 1137 * Invalid command stubs. 1138 * 1139 * SmbWriteComplete is sent to acknowledge completion of raw write requests. 1140 * We never send raw write commands to other servers so, if we receive 1141 * SmbWriteComplete, we treat it as an error. 1142 * 1143 * The Read/Write Block Multiplexed (mpx) protocol is used to maximize 1144 * performance when reading/writing a large block of data: it can be 1145 * used in parallel with other client/server operations. The mpx sub- 1146 * protocol is not supported because we support only connection oriented 1147 * transports and NT supports mpx only over connectionless transports. 1148 */ 1149 smb_sdrc_t 1150 smb_pre_invalid(smb_request_t *sr) 1151 { 1152 DTRACE_SMB_1(op__Invalid__start, smb_request_t *, sr); 1153 return (SDRC_SUCCESS); 1154 } 1155 1156 void 1157 smb_post_invalid(smb_request_t *sr) 1158 { 1159 DTRACE_SMB_1(op__Invalid__done, smb_request_t *, sr); 1160 } 1161 1162 smb_sdrc_t 1163 smb_com_invalid(smb_request_t *sr) 1164 { 1165 smb_sdrc_t sdrc; 1166 1167 switch (sr->smb_com) { 1168 case SMB_COM_WRITE_COMPLETE: 1169 smbsr_error(sr, 0, ERRSRV, ERRerror); 1170 sdrc = SDRC_ERROR; 1171 break; 1172 1173 default: 1174 smbsr_error(sr, NT_STATUS_NOT_IMPLEMENTED, 1175 ERRDOS, ERROR_INVALID_FUNCTION); 1176 sdrc = SDRC_NOT_IMPLEMENTED; 1177 break; 1178 } 1179 1180 return (sdrc); 1181 } 1182 1183 /* 1184 * smb_dispatch_stats_init 1185 * 1186 * Initializes dispatch statistics. 1187 */ 1188 void 1189 smb_dispatch_stats_init(smb_kstat_req_t *ksr) 1190 { 1191 kstat_named_t *ksn; 1192 int ks_ndata; 1193 int i; 1194 1195 for (i = 0; i < SMB_COM_NUM; i++, ksr++) { 1196 smb_latency_init(&smb_disp_table[i].sdt_lat); 1197 (void) strlcpy(ksr->kr_name, smb_disp_table[i].sdt_name, 1198 sizeof (ksr->kr_name)); 1199 } 1200 /* Legacy Statistics */ 1201 for (i = 0, ks_ndata = 0; i < SMB_COM_NUM; i++) { 1202 if (smb_disp_table[i].sdt_function != smb_com_invalid) 1203 ks_ndata++; 1204 } 1205 1206 smb_legacy_dispatch_ksp = kstat_create(SMBSRV_KSTAT_MODULE, 0, 1207 SMBSRV_KSTAT_NAME_CMDS, SMBSRV_KSTAT_CLASS, 1208 KSTAT_TYPE_NAMED, ks_ndata, 0); 1209 1210 if (smb_legacy_dispatch_ksp != NULL) { 1211 ksn = smb_legacy_dispatch_ksp->ks_data; 1212 1213 for (i = 0, ks_ndata = 0; i < SMB_COM_NUM; i++) { 1214 if (smb_disp_table[i].sdt_function != smb_com_invalid) { 1215 (void) strlcpy(ksn->name, 1216 smb_disp_table[i].sdt_name, 1217 sizeof (ksn->name)); 1218 ksn->data_type = KSTAT_DATA_UINT64; 1219 ++ksn; 1220 } 1221 } 1222 mutex_init(&smb_legacy_dispatch_ksmtx, NULL, 1223 MUTEX_DEFAULT, NULL); 1224 smb_legacy_dispatch_ksp->ks_update = 1225 smb_legacy_dispatch_stats_update; 1226 smb_legacy_dispatch_ksp->ks_lock = &smb_legacy_dispatch_ksmtx; 1227 kstat_install(smb_legacy_dispatch_ksp); 1228 } 1229 } 1230 1231 /* 1232 * smb_dispatch_stats_fini 1233 * 1234 * Frees and destroyes the resources used for statistics. 1235 */ 1236 void 1237 smb_dispatch_stats_fini(void) 1238 { 1239 int i; 1240 1241 if (smb_legacy_dispatch_ksp != NULL) { 1242 kstat_delete(smb_legacy_dispatch_ksp); 1243 mutex_destroy(&smb_legacy_dispatch_ksmtx); 1244 smb_legacy_dispatch_ksp = NULL; 1245 } 1246 1247 for (i = 0; i < SMB_COM_NUM; i++) 1248 smb_latency_destroy(&smb_disp_table[i].sdt_lat); 1249 } 1250 1251 void 1252 smb_dispatch_stats_update(smb_kstat_req_t *ksr, int first, int nreq) 1253 { 1254 int i; 1255 int last; 1256 1257 last = first + nreq - 1; 1258 1259 if ((first < SMB_COM_NUM) && (last < SMB_COM_NUM)) { 1260 for (i = first; i <= last; i++, ksr++) { 1261 ksr->kr_rxb = smb_disp_table[i].sdt_rxb; 1262 ksr->kr_txb = smb_disp_table[i].sdt_txb; 1263 mutex_enter(&smb_disp_table[i].sdt_lat.ly_mutex); 1264 ksr->kr_nreq = smb_disp_table[i].sdt_lat.ly_a_nreq; 1265 ksr->kr_sum = smb_disp_table[i].sdt_lat.ly_a_sum; 1266 ksr->kr_a_mean = smb_disp_table[i].sdt_lat.ly_a_mean; 1267 ksr->kr_a_stddev = 1268 smb_disp_table[i].sdt_lat.ly_a_stddev; 1269 ksr->kr_d_mean = smb_disp_table[i].sdt_lat.ly_d_mean; 1270 ksr->kr_d_stddev = 1271 smb_disp_table[i].sdt_lat.ly_d_stddev; 1272 smb_disp_table[i].sdt_lat.ly_d_mean = 0; 1273 smb_disp_table[i].sdt_lat.ly_d_nreq = 0; 1274 smb_disp_table[i].sdt_lat.ly_d_stddev = 0; 1275 smb_disp_table[i].sdt_lat.ly_d_sum = 0; 1276 mutex_exit(&smb_disp_table[i].sdt_lat.ly_mutex); 1277 } 1278 } 1279 } 1280 1281 /* 1282 * smb_legacy_dispatch_stats_update 1283 * 1284 * This callback function updates the smb_legacy_dispatch_kstat_data when kstat 1285 * command is invoked. 1286 */ 1287 static int 1288 smb_legacy_dispatch_stats_update(kstat_t *ksp, int rw) 1289 { 1290 kstat_named_t *ksn; 1291 int i; 1292 1293 ASSERT(MUTEX_HELD(ksp->ks_lock)); 1294 1295 switch (rw) { 1296 case KSTAT_WRITE: 1297 return (EACCES); 1298 1299 case KSTAT_READ: 1300 ksn = ksp->ks_data; 1301 for (i = 0; i < SMB_COM_NUM; i++) { 1302 if (smb_disp_table[i].sdt_function != smb_com_invalid) { 1303 ksn->value.ui64 = 1304 smb_disp_table[i].sdt_lat.ly_a_nreq; 1305 ++ksn; 1306 } 1307 } 1308 return (0); 1309 1310 default: 1311 return (EIO); 1312 } 1313 } 1314