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 2014 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 is_andx_com(unsigned char); 145 static int smbsr_check_result(struct smb_request *, int, int); 146 147 static const smb_disp_entry_t const 148 smb_disp_table[SMB_COM_NUM] = { 149 { "SmbCreateDirectory", SMB_SDT_OPS(create_directory), /* 0x00 000 */ 150 0x00, PC_NETWORK_PROGRAM_1_0 }, 151 { "SmbDeleteDirectory", SMB_SDT_OPS(delete_directory), /* 0x01 001 */ 152 0x01, PC_NETWORK_PROGRAM_1_0 }, 153 { "SmbOpen", SMB_SDT_OPS(open), /* 0x02 002 */ 154 0x02, PC_NETWORK_PROGRAM_1_0 }, 155 { "SmbCreate", SMB_SDT_OPS(create), /* 0x03 003 */ 156 0x03, PC_NETWORK_PROGRAM_1_0 }, 157 { "SmbClose", SMB_SDT_OPS(close), /* 0x04 004 */ 158 0x04, PC_NETWORK_PROGRAM_1_0 }, 159 { "SmbFlush", SMB_SDT_OPS(flush), /* 0x05 005 */ 160 0x05, PC_NETWORK_PROGRAM_1_0 }, 161 { "SmbDelete", SMB_SDT_OPS(delete), /* 0x06 006 */ 162 0x06, PC_NETWORK_PROGRAM_1_0 }, 163 { "SmbRename", SMB_SDT_OPS(rename), /* 0x07 007 */ 164 0x07, PC_NETWORK_PROGRAM_1_0 }, 165 { "SmbQueryInformation", SMB_SDT_OPS(query_information), /* 0x08 008 */ 166 0x08, PC_NETWORK_PROGRAM_1_0 }, 167 { "SmbSetInformation", SMB_SDT_OPS(set_information), /* 0x09 009 */ 168 0x09, PC_NETWORK_PROGRAM_1_0 }, 169 { "SmbRead", SMB_SDT_OPS(read), /* 0x0A 010 */ 170 0x0A, PC_NETWORK_PROGRAM_1_0 }, 171 { "SmbWrite", SMB_SDT_OPS(write), /* 0x0B 011 */ 172 0x0B, PC_NETWORK_PROGRAM_1_0 }, 173 { "SmbLockByteRange", SMB_SDT_OPS(lock_byte_range), /* 0x0C 012 */ 174 0x0C, PC_NETWORK_PROGRAM_1_0 }, 175 { "SmbUnlockByteRange", SMB_SDT_OPS(unlock_byte_range), /* 0x0D 013 */ 176 0x0D, PC_NETWORK_PROGRAM_1_0 }, 177 { "SmbCreateTemporary", SMB_SDT_OPS(create_temporary), /* 0x0E 014 */ 178 0x0E, PC_NETWORK_PROGRAM_1_0 }, 179 { "SmbCreateNew", SMB_SDT_OPS(create_new), /* 0x0F 015 */ 180 0x0F, PC_NETWORK_PROGRAM_1_0 }, 181 { "SmbCheckDirectory", SMB_SDT_OPS(check_directory), /* 0x10 016 */ 182 0x10, PC_NETWORK_PROGRAM_1_0 }, 183 { "SmbProcessExit", SMB_SDT_OPS(process_exit), /* 0x11 017 */ 184 0x11, PC_NETWORK_PROGRAM_1_0, 185 SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID }, 186 { "SmbSeek", SMB_SDT_OPS(seek), /* 0x12 018 */ 187 0x12, PC_NETWORK_PROGRAM_1_0 }, 188 { "SmbLockAndRead", SMB_SDT_OPS(lock_and_read), /* 0x13 019 */ 189 0x13, LANMAN1_0 }, 190 { "SmbWriteAndUnlock", SMB_SDT_OPS(write_and_unlock), /* 0x14 020 */ 191 0x14, LANMAN1_0 }, 192 { "Invalid", SMB_SDT_OPS(invalid), 0x15, 0 }, /* 0x15 021 */ 193 { "Invalid", SMB_SDT_OPS(invalid), 0x16, 0 }, /* 0x16 022 */ 194 { "Invalid", SMB_SDT_OPS(invalid), 0x17, 0 }, /* 0x17 023 */ 195 { "Invalid", SMB_SDT_OPS(invalid), 0x18, 0 }, /* 0x18 024 */ 196 { "Invalid", SMB_SDT_OPS(invalid), 0x19, 0 }, /* 0x19 025 */ 197 { "SmbReadRaw", SMB_SDT_OPS(invalid), 0x1A, 0 }, /* 0x1A 026 */ 198 { "Invalid", SMB_SDT_OPS(invalid), 0x1B, 0 }, /* 0x1B 027 */ 199 { "Invalid", SMB_SDT_OPS(invalid), 0x1C, 0 }, /* 0x1C 028 */ 200 { "SmbWriteRaw", SMB_SDT_OPS(invalid), 0x1D, 0 }, /* 0x1D 029 */ 201 { "Invalid", SMB_SDT_OPS(invalid), 0x1E, 0 }, /* 0x1E 030 */ 202 { "Invalid", SMB_SDT_OPS(invalid), 0x1F, 0 }, /* 0x1F 031 */ 203 { "Invalid", SMB_SDT_OPS(invalid), 0x20, 0 }, /* 0x20 032 */ 204 { "Invalid", SMB_SDT_OPS(invalid), 0x21, 0 }, /* 0x21 033 */ 205 { "SmbSetInformation2", SMB_SDT_OPS(set_information2), /* 0x22 034 */ 206 0x22, LANMAN1_0 }, 207 { "SmbQueryInformation2", 208 SMB_SDT_OPS(query_information2), /* 0x23 035 */ 209 0x23, LANMAN1_0 }, 210 { "SmbLockingX", SMB_SDT_OPS(locking_andx), /* 0x24 036 */ 211 0x24, LANMAN1_0 }, 212 { "SmbTransaction", SMB_SDT_OPS(transaction), /* 0x25 037 */ 213 0x25, LANMAN1_0 }, 214 { "SmbTransactionSecondary", 215 SMB_SDT_OPS(transaction_secondary), /* 0x26 038 */ 216 0x26, LANMAN1_0 }, 217 { "SmbIoctl", SMB_SDT_OPS(ioctl), /* 0x27 039 */ 218 0x27, LANMAN1_0 }, 219 { "Invalid", SMB_SDT_OPS(invalid), 0x28, 0 }, /* 0x28 040 */ 220 { "Invalid", SMB_SDT_OPS(invalid), 0x29, 0 }, /* 0x29 041 */ 221 { "Invalid", SMB_SDT_OPS(invalid), 0x2A, 0 }, /* 0x2A 042 */ 222 { "SmbEcho", SMB_SDT_OPS(echo), /* 0x2B 043 */ 223 0x2B, LANMAN1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID }, 224 { "SmbWriteAndClose", SMB_SDT_OPS(write_and_close), /* 0x2C 044 */ 225 0x2C, LANMAN1_0 }, 226 { "SmbOpenX", SMB_SDT_OPS(open_andx), /* 0x2D 045 */ 227 0x2D, LANMAN1_0 }, 228 { "SmbReadX", SMB_SDT_OPS(read_andx), /* 0x2E 046 */ 229 0x2E, LANMAN1_0 }, 230 { "SmbWriteX", SMB_SDT_OPS(write_andx), /* 0x2F 047 */ 231 0x2F, LANMAN1_0 }, 232 { "Invalid", SMB_SDT_OPS(invalid), 0x30, 0 }, /* 0x30 048 */ 233 { "SmbCloseAndTreeDisconnect", 234 SMB_SDT_OPS(close_and_tree_disconnect), /* 0x31 049 */ 235 0x31, LANMAN1_0 }, 236 { "SmbTransaction2", SMB_SDT_OPS(transaction2), /* 0x32 050 */ 237 0x32, LM1_2X002 }, 238 { "SmbTransaction2Secondary", 239 SMB_SDT_OPS(transaction2_secondary), /* 0x33 051 */ 240 0x33, LM1_2X002 }, 241 { "SmbFindClose2", SMB_SDT_OPS(find_close2), /* 0x34 052 */ 242 0x34, LM1_2X002 }, 243 { "Invalid", SMB_SDT_OPS(invalid), 0x35, 0 }, /* 0x35 053 */ 244 { "Invalid", SMB_SDT_OPS(invalid), 0x36, 0 }, /* 0x36 054 */ 245 { "Invalid", SMB_SDT_OPS(invalid), 0x37, 0 }, /* 0x37 055 */ 246 { "Invalid", SMB_SDT_OPS(invalid), 0x38, 0 }, /* 0x38 056 */ 247 { "Invalid", SMB_SDT_OPS(invalid), 0x39, 0 }, /* 0x39 057 */ 248 { "Invalid", SMB_SDT_OPS(invalid), 0x3A, 0 }, /* 0x3A 058 */ 249 { "Invalid", SMB_SDT_OPS(invalid), 0x3B, 0 }, /* 0x3B 059 */ 250 { "Invalid", SMB_SDT_OPS(invalid), 0x3C, 0 }, /* 0x3C 060 */ 251 { "Invalid", SMB_SDT_OPS(invalid), 0x3D, 0 }, /* 0x3D 061 */ 252 { "Invalid", SMB_SDT_OPS(invalid), 0x3E, 0 }, /* 0x3E 062 */ 253 { "Invalid", SMB_SDT_OPS(invalid), 0x3F, 0 }, /* 0x3F 063 */ 254 { "Invalid", SMB_SDT_OPS(invalid), 0x40, 0 }, /* 0x40 064 */ 255 { "Invalid", SMB_SDT_OPS(invalid), 0x47, 0 }, /* 0x47 065 */ 256 { "Invalid", SMB_SDT_OPS(invalid), 0x48, 0 }, /* 0x48 066 */ 257 { "Invalid", SMB_SDT_OPS(invalid), 0x49, 0 }, /* 0x49 067 */ 258 { "Invalid", SMB_SDT_OPS(invalid), 0x44, 0 }, /* 0x44 068 */ 259 { "Invalid", SMB_SDT_OPS(invalid), 0x45, 0 }, /* 0x45 069 */ 260 { "Invalid", SMB_SDT_OPS(invalid), 0x46, 0 }, /* 0x46 070 */ 261 { "Invalid", SMB_SDT_OPS(invalid), 0x47, 0 }, /* 0x47 071 */ 262 { "Invalid", SMB_SDT_OPS(invalid), 0x48, 0 }, /* 0x48 072 */ 263 { "Invalid", SMB_SDT_OPS(invalid), 0x49, 0 }, /* 0x49 073 */ 264 { "Invalid", SMB_SDT_OPS(invalid), 0x4A, 0 }, /* 0x4A 074 */ 265 { "Invalid", SMB_SDT_OPS(invalid), 0x4B, 0 }, /* 0x4B 075 */ 266 { "Invalid", SMB_SDT_OPS(invalid), 0x4C, 0 }, /* 0x4C 076 */ 267 { "Invalid", SMB_SDT_OPS(invalid), 0x4D, 0 }, /* 0x4D 077 */ 268 { "Invalid", SMB_SDT_OPS(invalid), 0x4E, 0 }, /* 0x4E 078 */ 269 { "Invalid", SMB_SDT_OPS(invalid), 0x4F, 0 }, /* 0x4F 079 */ 270 { "Invalid", SMB_SDT_OPS(invalid), 0x50, 0 }, /* 0x50 080 */ 271 { "Invalid", SMB_SDT_OPS(invalid), 0x51, 0 }, /* 0x51 081 */ 272 { "Invalid", SMB_SDT_OPS(invalid), 0x52, 0 }, /* 0x52 082 */ 273 { "Invalid", SMB_SDT_OPS(invalid), 0x53, 0 }, /* 0x53 083 */ 274 { "Invalid", SMB_SDT_OPS(invalid), 0x54, 0 }, /* 0x54 084 */ 275 { "Invalid", SMB_SDT_OPS(invalid), 0x55, 0 }, /* 0x55 085 */ 276 { "Invalid", SMB_SDT_OPS(invalid), 0x56, 0 }, /* 0x56 086 */ 277 { "Invalid", SMB_SDT_OPS(invalid), 0x57, 0 }, /* 0x57 087 */ 278 { "Invalid", SMB_SDT_OPS(invalid), 0x58, 0 }, /* 0x58 088 */ 279 { "Invalid", SMB_SDT_OPS(invalid), 0x59, 0 }, /* 0x59 089 */ 280 { "Invalid", SMB_SDT_OPS(invalid), 0x5A, 0 }, /* 0x5A 090 */ 281 { "Invalid", SMB_SDT_OPS(invalid), 0x5B, 0 }, /* 0x5B 091 */ 282 { "Invalid", SMB_SDT_OPS(invalid), 0x5C, 0 }, /* 0x5C 092 */ 283 { "Invalid", SMB_SDT_OPS(invalid), 0x5D, 0 }, /* 0x5D 093 */ 284 { "Invalid", SMB_SDT_OPS(invalid), 0x5E, 0 }, /* 0x5E 094 */ 285 { "Invalid", SMB_SDT_OPS(invalid), 0x5F, 0 }, /* 0x5F 095 */ 286 { "Invalid", SMB_SDT_OPS(invalid), 0x60, 0 }, /* 0x60 096 */ 287 { "Invalid", SMB_SDT_OPS(invalid), 0x61, 0 }, /* 0x61 097 */ 288 { "Invalid", SMB_SDT_OPS(invalid), 0x62, 0 }, /* 0x62 098 */ 289 { "Invalid", SMB_SDT_OPS(invalid), 0x63, 0 }, /* 0x63 099 */ 290 { "Invalid", SMB_SDT_OPS(invalid), 0x64, 0 }, /* 0x64 100 */ 291 { "Invalid", SMB_SDT_OPS(invalid), 0x65, 0 }, /* 0x65 101 */ 292 { "Invalid", SMB_SDT_OPS(invalid), 0x66, 0 }, /* 0x66 102 */ 293 { "Invalid", SMB_SDT_OPS(invalid), 0x67, 0 }, /* 0x67 103 */ 294 { "Invalid", SMB_SDT_OPS(invalid), 0x68, 0 }, /* 0x68 104 */ 295 { "Invalid", SMB_SDT_OPS(invalid), 0x69, 0 }, /* 0x69 105 */ 296 { "Invalid", SMB_SDT_OPS(invalid), 0x6A, 0 }, /* 0x6A 106 */ 297 { "Invalid", SMB_SDT_OPS(invalid), 0x6B, 0 }, /* 0x6B 107 */ 298 { "Invalid", SMB_SDT_OPS(invalid), 0x6C, 0 }, /* 0x6C 108 */ 299 { "Invalid", SMB_SDT_OPS(invalid), 0x6D, 0 }, /* 0x6D 109 */ 300 { "Invalid", SMB_SDT_OPS(invalid), 0x6E, 0 }, /* 0x6E 110 */ 301 { "Invalid", SMB_SDT_OPS(invalid), 0x6F, 0 }, /* 0x6F 111 */ 302 { "SmbTreeConnect", SMB_SDT_OPS(tree_connect), /* 0x70 112 */ 303 0x70, PC_NETWORK_PROGRAM_1_0, SDDF_SUPPRESS_TID }, 304 { "SmbTreeDisconnect", SMB_SDT_OPS(tree_disconnect), /* 0x71 113 */ 305 0x71, PC_NETWORK_PROGRAM_1_0, 306 SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID }, 307 { "SmbNegotiate", SMB_SDT_OPS(negotiate), /* 0x72 114 */ 308 0x72, PC_NETWORK_PROGRAM_1_0, 309 SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID }, 310 { "SmbSessionSetupX", SMB_SDT_OPS(session_setup_andx), /* 0x73 115 */ 311 0x73, LANMAN1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID }, 312 { "SmbLogoffX", SMB_SDT_OPS(logoff_andx), /* 0x74 116 */ 313 0x74, LM1_2X002, SDDF_SUPPRESS_TID }, 314 { "SmbTreeConnectX", SMB_SDT_OPS(tree_connect_andx), /* 0x75 117 */ 315 0x75, LANMAN1_0, SDDF_SUPPRESS_TID }, 316 { "Invalid", SMB_SDT_OPS(invalid), 0x76, 0, 0 }, /* 0x76 118 */ 317 { "Invalid", SMB_SDT_OPS(invalid), 0x77, 0, 0 }, /* 0x77 119 */ 318 { "Invalid", SMB_SDT_OPS(invalid), 0x78, 0, 0 }, /* 0x78 120 */ 319 { "Invalid", SMB_SDT_OPS(invalid), 0x79, 0, 0 }, /* 0x79 121 */ 320 { "Invalid", SMB_SDT_OPS(invalid), 0x7A, 0, 0 }, /* 0x7A 122 */ 321 { "Invalid", SMB_SDT_OPS(invalid), 0x7B, 0, 0 }, /* 0x7B 123 */ 322 { "Invalid", SMB_SDT_OPS(invalid), 0x7C, 0, 0 }, /* 0x7C 124 */ 323 { "Invalid", SMB_SDT_OPS(invalid), 0x7D, 0, 0 }, /* 0x7D 125 */ 324 { "Invalid", SMB_SDT_OPS(invalid), 0x7E, 0, 0 }, /* 0x7E 126 */ 325 { "Invalid", SMB_SDT_OPS(invalid), 0x7F, 0, 0 }, /* 0x7F 127 */ 326 { "SmbQueryInformationDisk", 327 SMB_SDT_OPS(query_information_disk), /* 0x80 128 */ 328 0x80, PC_NETWORK_PROGRAM_1_0, 0 }, 329 { "SmbSearch", SMB_SDT_OPS(search), /* 0x81 129 */ 330 0x81, PC_NETWORK_PROGRAM_1_0, 0 }, 331 { "SmbFind", SMB_SDT_OPS(find), /* 0x82 130 */ 332 0x82, LANMAN1_0, 0 }, 333 { "SmbFindUnique", SMB_SDT_OPS(find_unique), /* 0x83 131 */ 334 0x83, LANMAN1_0, 0 }, 335 { "SmbFindClose", SMB_SDT_OPS(find_close), /* 0x84 132 */ 336 0x84, LANMAN1_0, 0 }, 337 { "Invalid", SMB_SDT_OPS(invalid), 0x85, 0, 0 }, /* 0x85 133 */ 338 { "Invalid", SMB_SDT_OPS(invalid), 0x86, 0, 0 }, /* 0x86 134 */ 339 { "Invalid", SMB_SDT_OPS(invalid), 0x87, 0, 0 }, /* 0x87 135 */ 340 { "Invalid", SMB_SDT_OPS(invalid), 0x88, 0, 0 }, /* 0x88 136 */ 341 { "Invalid", SMB_SDT_OPS(invalid), 0x89, 0, 0 }, /* 0x89 137 */ 342 { "Invalid", SMB_SDT_OPS(invalid), 0x8A, 0, 0 }, /* 0x8A 138 */ 343 { "Invalid", SMB_SDT_OPS(invalid), 0x8B, 0, 0 }, /* 0x8B 139 */ 344 { "Invalid", SMB_SDT_OPS(invalid), 0x8C, 0, 0 }, /* 0x8C 140 */ 345 { "Invalid", SMB_SDT_OPS(invalid), 0x8D, 0, 0 }, /* 0x8D 141 */ 346 { "Invalid", SMB_SDT_OPS(invalid), 0x8E, 0, 0 }, /* 0x8E 142 */ 347 { "Invalid", SMB_SDT_OPS(invalid), 0x8F, 0, 0 }, /* 0x8F 143 */ 348 { "Invalid", SMB_SDT_OPS(invalid), 0x90, 0, 0 }, /* 0x90 144 */ 349 { "Invalid", SMB_SDT_OPS(invalid), 0x91, 0, 0 }, /* 0x91 145 */ 350 { "Invalid", SMB_SDT_OPS(invalid), 0x92, 0, 0 }, /* 0x92 146 */ 351 { "Invalid", SMB_SDT_OPS(invalid), 0x93, 0, 0 }, /* 0x93 147 */ 352 { "Invalid", SMB_SDT_OPS(invalid), 0x94, 0, 0 }, /* 0x94 148 */ 353 { "Invalid", SMB_SDT_OPS(invalid), 0x95, 0, 0 }, /* 0x95 149 */ 354 { "Invalid", SMB_SDT_OPS(invalid), 0x96, 0, 0 }, /* 0x96 150 */ 355 { "Invalid", SMB_SDT_OPS(invalid), 0x97, 0, 0 }, /* 0x97 151 */ 356 { "Invalid", SMB_SDT_OPS(invalid), 0x98, 0, 0 }, /* 0x98 152 */ 357 { "Invalid", SMB_SDT_OPS(invalid), 0x99, 0, 0 }, /* 0x99 153 */ 358 { "Invalid", SMB_SDT_OPS(invalid), 0x9A, 0, 0 }, /* 0x9A 154 */ 359 { "Invalid", SMB_SDT_OPS(invalid), 0x9B, 0, 0 }, /* 0x9B 155 */ 360 { "Invalid", SMB_SDT_OPS(invalid), 0x9C, 0, 0 }, /* 0x9C 156 */ 361 { "Invalid", SMB_SDT_OPS(invalid), 0x9D, 0, 0 }, /* 0x9D 157 */ 362 { "Invalid", SMB_SDT_OPS(invalid), 0x9E, 0, 0 }, /* 0x9E 158 */ 363 { "Invalid", SMB_SDT_OPS(invalid), 0x9F, 0, 0 }, /* 0x9F 159 */ 364 { "SmbNtTransact", SMB_SDT_OPS(nt_transact), /* 0xA0 160 */ 365 0xA0, NT_LM_0_12, 0 }, 366 { "SmbNtTransactSecondary", 367 SMB_SDT_OPS(nt_transact_secondary), /* 0xA1 161 */ 368 0xA1, NT_LM_0_12, 0 }, 369 { "SmbNtCreateX", SMB_SDT_OPS(nt_create_andx), /* 0xA2 162 */ 370 0xA2, NT_LM_0_12, 0 }, 371 { "Invalid", SMB_SDT_OPS(invalid), 0xA3, 0, 0 }, /* 0xA3 163 */ 372 { "SmbNtCancel", SMB_SDT_OPS(nt_cancel), /* 0xA4 164 */ 373 0xA4, NT_LM_0_12, 0 }, 374 { "SmbNtRename", SMB_SDT_OPS(nt_rename), /* 0xA5 165 */ 375 0xA5, NT_LM_0_12, 0 }, 376 { "Invalid", SMB_SDT_OPS(invalid), 0xA6, 0, 0 }, /* 0xA6 166 */ 377 { "Invalid", SMB_SDT_OPS(invalid), 0xA7, 0, 0 }, /* 0xA7 167 */ 378 { "Invalid", SMB_SDT_OPS(invalid), 0xA8, 0, 0 }, /* 0xA8 168 */ 379 { "Invalid", SMB_SDT_OPS(invalid), 0xA9, 0, 0 }, /* 0xA9 169 */ 380 { "Invalid", SMB_SDT_OPS(invalid), 0xAA, 0, 0 }, /* 0xAA 170 */ 381 { "Invalid", SMB_SDT_OPS(invalid), 0xAB, 0, 0 }, /* 0xAB 171 */ 382 { "Invalid", SMB_SDT_OPS(invalid), 0xAC, 0, 0 }, /* 0xAC 172 */ 383 { "Invalid", SMB_SDT_OPS(invalid), 0xAD, 0, 0 }, /* 0xAD 173 */ 384 { "Invalid", SMB_SDT_OPS(invalid), 0xAE, 0, 0 }, /* 0xAE 174 */ 385 { "Invalid", SMB_SDT_OPS(invalid), 0xAF, 0, 0 }, /* 0xAF 175 */ 386 { "Invalid", SMB_SDT_OPS(invalid), 0xB0, 0, 0 }, /* 0xB0 176 */ 387 { "Invalid", SMB_SDT_OPS(invalid), 0xB1, 0, 0 }, /* 0xB1 177 */ 388 { "Invalid", SMB_SDT_OPS(invalid), 0xB2, 0, 0 }, /* 0xB2 178 */ 389 { "Invalid", SMB_SDT_OPS(invalid), 0xB3, 0, 0 }, /* 0xB3 179 */ 390 { "Invalid", SMB_SDT_OPS(invalid), 0xB4, 0, 0 }, /* 0xB4 180 */ 391 { "Invalid", SMB_SDT_OPS(invalid), 0xB5, 0, 0 }, /* 0xB5 181 */ 392 { "Invalid", SMB_SDT_OPS(invalid), 0xB6, 0, 0 }, /* 0xB6 182 */ 393 { "Invalid", SMB_SDT_OPS(invalid), 0xB7, 0, 0 }, /* 0xB7 183 */ 394 { "Invalid", SMB_SDT_OPS(invalid), 0xB8, 0, 0 }, /* 0xB8 184 */ 395 { "Invalid", SMB_SDT_OPS(invalid), 0xB9, 0, 0 }, /* 0xB9 185 */ 396 { "Invalid", SMB_SDT_OPS(invalid), 0xBA, 0, 0 }, /* 0xBA 186 */ 397 { "Invalid", SMB_SDT_OPS(invalid), 0xBB, 0, 0 }, /* 0xBB 187 */ 398 { "Invalid", SMB_SDT_OPS(invalid), 0xBC, 0, 0 }, /* 0xBC 188 */ 399 { "Invalid", SMB_SDT_OPS(invalid), 0xBD, 0, 0 }, /* 0xBD 189 */ 400 { "Invalid", SMB_SDT_OPS(invalid), 0xBE, 0, 0 }, /* 0xBE 190 */ 401 { "Invalid", SMB_SDT_OPS(invalid), 0xBF, 0, 0 }, /* 0xBF 191 */ 402 { "SmbOpenPrintFile", SMB_SDT_OPS(open_print_file), /* 0xC0 192 */ 403 0xC0, PC_NETWORK_PROGRAM_1_0, 0 }, 404 { "SmbWritePrintFile", SMB_SDT_OPS(write_print_file), /* 0xC1 193 */ 405 0xC1, PC_NETWORK_PROGRAM_1_0, 0 }, 406 { "SmbClosePrintFile", SMB_SDT_OPS(close_print_file), /* 0xC2 194 */ 407 0xC2, PC_NETWORK_PROGRAM_1_0, 0 }, 408 { "SmbGetPrintQueue", SMB_SDT_OPS(get_print_queue), /* 0xC3 195 */ 409 0xC3, PC_NETWORK_PROGRAM_1_0, 0 }, 410 { "Invalid", SMB_SDT_OPS(invalid), 0xC4, 0, 0 }, /* 0xC4 196 */ 411 { "Invalid", SMB_SDT_OPS(invalid), 0xC5, 0, 0 }, /* 0xC5 197 */ 412 { "Invalid", SMB_SDT_OPS(invalid), 0xC6, 0, 0 }, /* 0xC6 198 */ 413 { "Invalid", SMB_SDT_OPS(invalid), 0xC7, 0, 0 }, /* 0xC7 199 */ 414 { "Invalid", SMB_SDT_OPS(invalid), 0xC8, 0, 0 }, /* 0xC8 200 */ 415 { "Invalid", SMB_SDT_OPS(invalid), 0xC9, 0, 0 }, /* 0xC9 201 */ 416 { "Invalid", SMB_SDT_OPS(invalid), 0xCA, 0, 0 }, /* 0xCA 202 */ 417 { "Invalid", SMB_SDT_OPS(invalid), 0xCB, 0, 0 }, /* 0xCB 203 */ 418 { "Invalid", SMB_SDT_OPS(invalid), 0xCC, 0, 0 }, /* 0xCC 204 */ 419 { "Invalid", SMB_SDT_OPS(invalid), 0xCD, 0, 0 }, /* 0xCD 205 */ 420 { "Invalid", SMB_SDT_OPS(invalid), 0xCE, 0, 0 }, /* 0xCE 206 */ 421 { "Invalid", SMB_SDT_OPS(invalid), 0xCF, 0, 0 }, /* 0xCF 207 */ 422 { "Invalid", SMB_SDT_OPS(invalid), 0xD0, 0, 0 }, /* 0xD0 208 */ 423 { "Invalid", SMB_SDT_OPS(invalid), 0xD1, 0, 0 }, /* 0xD1 209 */ 424 { "Invalid", SMB_SDT_OPS(invalid), 0xD2, 0, 0 }, /* 0xD2 210 */ 425 { "Invalid", SMB_SDT_OPS(invalid), 0xD3, 0, 0 }, /* 0xD3 211 */ 426 { "Invalid", SMB_SDT_OPS(invalid), 0xD4, 0, 0 }, /* 0xD4 212 */ 427 { "Invalid", SMB_SDT_OPS(invalid), 0xD5, 0, 0 }, /* 0xD5 213 */ 428 { "Invalid", SMB_SDT_OPS(invalid), 0xD6, 0, 0 }, /* 0xD6 214 */ 429 { "Invalid", SMB_SDT_OPS(invalid), 0xD7, 0, 0 }, /* 0xD7 215 */ 430 { "Invalid", SMB_SDT_OPS(invalid), 0xD8, 0, 0 }, /* 0xD8 216 */ 431 { "Invalid", SMB_SDT_OPS(invalid), 0xD9, 0, 0 }, /* 0xD9 217 */ 432 { "Invalid", SMB_SDT_OPS(invalid), 0xDA, 0, 0 }, /* 0xDA 218 */ 433 { "Invalid", SMB_SDT_OPS(invalid), 0xDB, 0, 0 }, /* 0xDB 219 */ 434 { "Invalid", SMB_SDT_OPS(invalid), 0xDC, 0, 0 }, /* 0xDC 220 */ 435 { "Invalid", SMB_SDT_OPS(invalid), 0xDD, 0, 0 }, /* 0xDD 221 */ 436 { "Invalid", SMB_SDT_OPS(invalid), 0xDE, 0, 0 }, /* 0xDE 222 */ 437 { "Invalid", SMB_SDT_OPS(invalid), 0xDF, 0, 0 }, /* 0xDF 223 */ 438 { "Invalid", SMB_SDT_OPS(invalid), 0xE0, 0, 0 }, /* 0xE0 224 */ 439 { "Invalid", SMB_SDT_OPS(invalid), 0xE1, 0, 0 }, /* 0xE1 225 */ 440 { "Invalid", SMB_SDT_OPS(invalid), 0xE2, 0, 0 }, /* 0xE2 226 */ 441 { "Invalid", SMB_SDT_OPS(invalid), 0xE3, 0, 0 }, /* 0xE3 227 */ 442 { "Invalid", SMB_SDT_OPS(invalid), 0xE4, 0, 0 }, /* 0xE4 228 */ 443 { "Invalid", SMB_SDT_OPS(invalid), 0xE5, 0, 0 }, /* 0xE5 229 */ 444 { "Invalid", SMB_SDT_OPS(invalid), 0xE6, 0, 0 }, /* 0xE6 230 */ 445 { "Invalid", SMB_SDT_OPS(invalid), 0xE7, 0, 0 }, /* 0xE7 231 */ 446 { "Invalid", SMB_SDT_OPS(invalid), 0xE8, 0, 0 }, /* 0xE8 232 */ 447 { "Invalid", SMB_SDT_OPS(invalid), 0xE9, 0, 0 }, /* 0xE9 233 */ 448 { "Invalid", SMB_SDT_OPS(invalid), 0xEA, 0, 0 }, /* 0xEA 234 */ 449 { "Invalid", SMB_SDT_OPS(invalid), 0xEB, 0, 0 }, /* 0xEB 235 */ 450 { "Invalid", SMB_SDT_OPS(invalid), 0xEC, 0, 0 }, /* 0xEC 236 */ 451 { "Invalid", SMB_SDT_OPS(invalid), 0xED, 0, 0 }, /* 0xED 237 */ 452 { "Invalid", SMB_SDT_OPS(invalid), 0xEE, 0, 0 }, /* 0xEE 238 */ 453 { "Invalid", SMB_SDT_OPS(invalid), 0xEF, 0, 0 }, /* 0xEF 239 */ 454 { "Invalid", SMB_SDT_OPS(invalid), 0xF0, 0, 0 }, /* 0xF0 240 */ 455 { "Invalid", SMB_SDT_OPS(invalid), 0xF1, 0, 0 }, /* 0xF1 241 */ 456 { "Invalid", SMB_SDT_OPS(invalid), 0xF2, 0, 0 }, /* 0xF2 242 */ 457 { "Invalid", SMB_SDT_OPS(invalid), 0xF3, 0, 0 }, /* 0xF3 243 */ 458 { "Invalid", SMB_SDT_OPS(invalid), 0xF4, 0, 0 }, /* 0xF4 244 */ 459 { "Invalid", SMB_SDT_OPS(invalid), 0xF5, 0, 0 }, /* 0xF5 245 */ 460 { "Invalid", SMB_SDT_OPS(invalid), 0xF6, 0, 0 }, /* 0xF6 246 */ 461 { "Invalid", SMB_SDT_OPS(invalid), 0xF7, 0, 0 }, /* 0xF7 247 */ 462 { "Invalid", SMB_SDT_OPS(invalid), 0xF8, 0, 0 }, /* 0xF8 248 */ 463 { "Invalid", SMB_SDT_OPS(invalid), 0xF9, 0, 0 }, /* 0xF9 249 */ 464 { "Invalid", SMB_SDT_OPS(invalid), 0xFA, 0, 0 }, /* 0xFA 250 */ 465 { "Invalid", SMB_SDT_OPS(invalid), 0xFB, 0, 0 }, /* 0xFB 251 */ 466 { "Invalid", SMB_SDT_OPS(invalid), 0xFC, 0, 0 }, /* 0xFC 252 */ 467 { "Invalid", SMB_SDT_OPS(invalid), 0xFD, 0, 0 }, /* 0xFD 253 */ 468 { "Invalid", SMB_SDT_OPS(invalid), 0xFE, 0, 0 }, /* 0xFE 254 */ 469 { "Invalid", SMB_SDT_OPS(invalid), 0xFF, 0, 0 } /* 0xFF 255 */ 470 }; 471 472 /* 473 * smbsr_cleanup 474 * 475 * If any user/tree/file is used by given request then 476 * the reference count for that resource has been incremented. 477 * This function decrements the reference count and close 478 * the resource if it's needed. 479 */ 480 481 void 482 smbsr_cleanup(smb_request_t *sr) 483 { 484 ASSERT((sr->sr_state != SMB_REQ_STATE_CLEANED_UP) && 485 (sr->sr_state != SMB_REQ_STATE_COMPLETED)); 486 487 if (sr->r_xa) { 488 if (sr->r_xa->xa_flags & SMB_XA_FLAG_COMPLETE) 489 smb_xa_close(sr->r_xa); 490 smb_xa_rele(sr->session, sr->r_xa); 491 sr->r_xa = NULL; 492 } 493 494 /* 495 * Mark this request so we know that we've already cleaned it up. 496 * A request should only get cleaned up once so multiple calls to 497 * smbsr_cleanup for the same request indicate a bug. 498 */ 499 mutex_enter(&sr->sr_mutex); 500 if (sr->sr_state != SMB_REQ_STATE_CANCELED) 501 sr->sr_state = SMB_REQ_STATE_CLEANED_UP; 502 mutex_exit(&sr->sr_mutex); 503 } 504 /* 505 * smb_dispatch_request 506 * 507 * Returns: 508 * 509 * B_TRUE The caller must free the smb request passed in. 510 * B_FALSE The caller must not access the smb request passed in. It has 511 * been kept in an internal queue and may have already been freed. 512 */ 513 boolean_t 514 smb_dispatch_request(struct smb_request *sr) 515 { 516 smb_sdrc_t sdrc; 517 const smb_disp_entry_t *sdd; 518 smb_disp_stats_t *sds; 519 boolean_t disconnect = B_FALSE; 520 smb_session_t *session; 521 smb_server_t *server; 522 uint32_t byte_count; 523 uint32_t max_bytes; 524 525 session = sr->session; 526 server = session->s_server; 527 528 ASSERT(sr->tid_tree == 0); 529 ASSERT(sr->uid_user == 0); 530 ASSERT(sr->fid_ofile == 0); 531 sr->smb_fid = (uint16_t)-1; 532 533 /* temporary until we identify a user */ 534 sr->user_cr = zone_kcred(); 535 sr->orig_request_hdr = sr->command.chain_offset; 536 537 /* If this connection is shutting down just kill request */ 538 if (smb_mbc_decodef(&sr->command, SMB_HEADER_ED_FMT, 539 &sr->smb_com, 540 &sr->smb_rcls, 541 &sr->smb_reh, 542 &sr->smb_err, 543 &sr->smb_flg, 544 &sr->smb_flg2, 545 &sr->smb_pid_high, 546 sr->smb_sig, 547 &sr->smb_tid, 548 &sr->smb_pid, 549 &sr->smb_uid, 550 &sr->smb_mid) != 0) { 551 disconnect = B_TRUE; 552 goto drop_connection; 553 } 554 555 /* 556 * The reply "header" is filled in now even though it will, 557 * most likely, be rewritten under reply_ready below. We 558 * could reserve the space but this is convenient in case 559 * the dialect dispatcher has to send a special reply (like 560 * TRANSACT). 561 * 562 * Ensure that the 32-bit error code flag is turned off. 563 * Clients seem to set it in transact requests and they may 564 * get confused if we return success or a 16-bit SMB code. 565 */ 566 sr->smb_rcls = 0; 567 sr->smb_reh = 0; 568 sr->smb_err = 0; 569 sr->smb_flg2 &= ~SMB_FLAGS2_NT_STATUS; 570 571 (void) smb_mbc_encodef(&sr->reply, SMB_HEADER_ED_FMT, 572 sr->smb_com, 573 sr->smb_rcls, 574 sr->smb_reh, 575 sr->smb_err, 576 sr->smb_flg, 577 sr->smb_flg2, 578 sr->smb_pid_high, 579 sr->smb_sig, 580 sr->smb_tid, 581 sr->smb_pid, 582 sr->smb_uid, 583 sr->smb_mid); 584 sr->first_smb_com = sr->smb_com; 585 586 if ((session->signing.flags & SMB_SIGNING_CHECK) != 0) { 587 if ((sr->smb_flg2 & SMB_FLAGS2_SMB_SECURITY_SIGNATURE) == 0 || 588 smb_sign_check_request(sr) != 0) { 589 smbsr_error(sr, NT_STATUS_ACCESS_DENIED, 590 ERRDOS, ERROR_ACCESS_DENIED); 591 disconnect = B_TRUE; 592 goto report_error; 593 } 594 } 595 596 andx_more: 597 sdd = &smb_disp_table[sr->smb_com]; 598 ASSERT(sdd->sdt_function); 599 sds = &server->sv_disp_stats[sr->smb_com]; 600 601 if (smb_mbc_decodef(&sr->command, "b", &sr->smb_wct) != 0) { 602 disconnect = B_TRUE; 603 goto report_error; 604 } 605 606 (void) MBC_SHADOW_CHAIN(&sr->smb_vwv, &sr->command, 607 sr->command.chain_offset, sr->smb_wct * 2); 608 609 if (smb_mbc_decodef(&sr->command, "#.w", sr->smb_wct*2, &sr->smb_bcc)) { 610 disconnect = B_TRUE; 611 goto report_error; 612 } 613 614 atomic_add_64(&sds->sdt_rxb, 615 (int64_t)(sr->smb_wct * 2 + sr->smb_bcc + 1)); 616 sr->sr_txb = sr->reply.chain_offset; 617 618 /* 619 * Ignore smb_bcc if CAP_LARGE_READX/CAP_LARGE_WRITEX 620 * and this is SmbReadX/SmbWriteX since this enables 621 * large reads/write and bcc is only 16-bits. 622 */ 623 max_bytes = sr->command.max_bytes - sr->command.chain_offset; 624 if (sr->smb_com == SMB_COM_WRITE_ANDX) { 625 /* Allow > BCC */ 626 byte_count = max_bytes; 627 } else if (max_bytes < (uint32_t)sr->smb_bcc) { 628 /* BCC is bogus. Will fail later. */ 629 byte_count = max_bytes; 630 } else { 631 /* ordinary case */ 632 byte_count = (uint32_t)sr->smb_bcc; 633 } 634 635 (void) MBC_SHADOW_CHAIN(&sr->smb_data, &sr->command, 636 sr->command.chain_offset, byte_count); 637 638 sr->command.chain_offset += byte_count; 639 if (sr->command.chain_offset > sr->command.max_bytes) { 640 disconnect = B_TRUE; 641 goto report_error; 642 } 643 644 /* Store pointers for later */ 645 sr->cur_reply_offset = sr->reply.chain_offset; 646 647 if (is_andx_com(sr->smb_com)) { 648 /* Peek ahead and don't disturb vwv */ 649 if (smb_mbc_peek(&sr->smb_vwv, sr->smb_vwv.chain_offset, "b.w", 650 &sr->andx_com, &sr->andx_off) < 0) { 651 disconnect = B_TRUE; 652 goto report_error; 653 } 654 } else { 655 sr->andx_com = (unsigned char)-1; 656 } 657 658 mutex_enter(&sr->sr_mutex); 659 switch (sr->sr_state) { 660 case SMB_REQ_STATE_SUBMITTED: 661 case SMB_REQ_STATE_CLEANED_UP: 662 sr->sr_state = SMB_REQ_STATE_ACTIVE; 663 break; 664 case SMB_REQ_STATE_CANCELED: 665 break; 666 default: 667 ASSERT(0); 668 break; 669 } 670 mutex_exit(&sr->sr_mutex); 671 672 /* 673 * Setup UID and TID information (if required). Both functions 674 * will set the sr credentials. In domain mode, the user and 675 * tree credentials should be the same. In share mode, the 676 * tree credentials (defined in the share definition) should 677 * override the user credentials. 678 */ 679 if (!(sdd->sdt_flags & SDDF_SUPPRESS_UID) && (sr->uid_user == NULL)) { 680 sr->uid_user = smb_session_lookup_uid(session, sr->smb_uid); 681 if (sr->uid_user == NULL) { 682 smbsr_error(sr, 0, ERRSRV, ERRbaduid); 683 smbsr_cleanup(sr); 684 goto report_error; 685 } 686 687 sr->user_cr = smb_user_getcred(sr->uid_user); 688 } 689 if (!(sdd->sdt_flags & SDDF_SUPPRESS_TID) && (sr->tid_tree == NULL)) { 690 sr->tid_tree = smb_session_lookup_tree(session, sr->smb_tid); 691 if (sr->tid_tree == NULL) { 692 smbsr_error(sr, 0, ERRSRV, ERRinvnid); 693 smbsr_cleanup(sr); 694 goto report_error; 695 } 696 } 697 698 /* 699 * If the command is not a read raw request we can set the 700 * state of the session back to SMB_SESSION_STATE_NEGOTIATED 701 * (if the current state is SMB_SESSION_STATE_OPLOCK_BREAKING). 702 * Otherwise we let the read raw handler to deal with it. 703 */ 704 smb_rwx_rwenter(&session->s_lock, RW_READER); 705 if (session->s_state == SMB_SESSION_STATE_OPLOCK_BREAKING) { 706 (void) smb_rwx_rwupgrade(&session->s_lock); 707 if (session->s_state == SMB_SESSION_STATE_OPLOCK_BREAKING) 708 session->s_state = SMB_SESSION_STATE_NEGOTIATED; 709 } 710 smb_rwx_rwexit(&session->s_lock); 711 712 sr->sr_time_start = gethrtime(); 713 if ((sdrc = (*sdd->sdt_pre_op)(sr)) == SDRC_SUCCESS) 714 sdrc = (*sdd->sdt_function)(sr); 715 716 if (sdrc != SDRC_SR_KEPT) { 717 (*sdd->sdt_post_op)(sr); 718 smbsr_cleanup(sr); 719 } 720 smb_latency_add_sample(&sds->sdt_lat, gethrtime() - sr->sr_time_start); 721 722 atomic_add_64(&sds->sdt_txb, 723 (int64_t)(sr->reply.chain_offset - sr->sr_txb)); 724 725 switch (sdrc) { 726 case SDRC_SUCCESS: 727 break; 728 729 case SDRC_DROP_VC: 730 disconnect = B_TRUE; 731 goto drop_connection; 732 733 case SDRC_NO_REPLY: 734 return (B_TRUE); 735 736 case SDRC_SR_KEPT: 737 return (B_FALSE); 738 739 case SDRC_ERROR: 740 goto report_error; 741 742 case SDRC_NOT_IMPLEMENTED: 743 default: 744 smbsr_error(sr, 0, ERRDOS, ERRbadfunc); 745 goto report_error; 746 } 747 748 /* 749 * If there's no AndX command, we're done. 750 */ 751 if (sr->andx_com == 0xff) 752 goto reply_ready; 753 754 /* 755 * Otherwise, we have to back-patch the AndXCommand and AndXOffset 756 * and continue processing. 757 */ 758 sr->andx_prev_wct = sr->cur_reply_offset; 759 (void) smb_mbc_poke(&sr->reply, sr->andx_prev_wct + 1, "b.w", 760 sr->andx_com, MBC_LENGTH(&sr->reply)); 761 762 sr->command.chain_offset = sr->orig_request_hdr + sr->andx_off; 763 sr->smb_com = sr->andx_com; 764 goto andx_more; 765 766 report_error: 767 sr->reply.chain_offset = sr->cur_reply_offset; 768 (void) smb_mbc_encodef(&sr->reply, "bw", 0, 0); 769 770 sr->smb_wct = 0; 771 sr->smb_bcc = 0; 772 773 if (sr->smb_rcls == 0 && sr->smb_reh == 0 && sr->smb_err == 0) 774 smbsr_error(sr, 0, ERRSRV, ERRerror); 775 776 reply_ready: 777 smbsr_send_reply(sr); 778 779 drop_connection: 780 if (disconnect) { 781 smb_rwx_rwenter(&session->s_lock, RW_WRITER); 782 switch (session->s_state) { 783 case SMB_SESSION_STATE_DISCONNECTED: 784 case SMB_SESSION_STATE_TERMINATED: 785 break; 786 default: 787 smb_soshutdown(session->sock); 788 session->s_state = SMB_SESSION_STATE_DISCONNECTED; 789 break; 790 } 791 smb_rwx_rwexit(&session->s_lock); 792 } 793 794 return (B_TRUE); 795 } 796 797 int 798 smbsr_encode_empty_result(struct smb_request *sr) 799 { 800 return (smbsr_encode_result(sr, 0, 0, "bw", 0, 0)); 801 } 802 803 int 804 smbsr_encode_result(struct smb_request *sr, int wct, int bcc, char *fmt, ...) 805 { 806 va_list ap; 807 808 if (MBC_LENGTH(&sr->reply) != sr->cur_reply_offset) 809 return (-1); 810 811 va_start(ap, fmt); 812 (void) smb_mbc_vencodef(&sr->reply, fmt, ap); 813 va_end(ap); 814 815 sr->smb_wct = (unsigned char)wct; 816 sr->smb_bcc = (uint16_t)bcc; 817 818 if (smbsr_check_result(sr, wct, bcc) != 0) 819 return (-1); 820 821 return (0); 822 } 823 824 static int 825 smbsr_check_result(struct smb_request *sr, int wct, int bcc) 826 { 827 int offset = sr->cur_reply_offset; 828 int total_bytes; 829 unsigned char temp, temp1; 830 struct mbuf *m; 831 832 total_bytes = 0; 833 m = sr->reply.chain; 834 while (m != 0) { 835 total_bytes += m->m_len; 836 m = m->m_next; 837 } 838 839 if ((offset + 3) > total_bytes) 840 return (-1); 841 842 (void) smb_mbc_peek(&sr->reply, offset, "b", &temp); 843 if (temp != wct) 844 return (-1); 845 846 if ((offset + (wct * 2 + 1)) > total_bytes) 847 return (-1); 848 849 /* reply wct & vwv seem ok, consider data now */ 850 offset += wct * 2 + 1; 851 852 if ((offset + 2) > total_bytes) 853 return (-1); 854 855 (void) smb_mbc_peek(&sr->reply, offset, "bb", &temp, &temp1); 856 if (bcc == VAR_BCC) { 857 if ((temp != 0xFF) || (temp1 != 0xFF)) { 858 return (-1); 859 } else { 860 bcc = (total_bytes - offset) - 2; 861 (void) smb_mbc_poke(&sr->reply, offset, "bb", 862 bcc, bcc >> 8); 863 } 864 } else { 865 if ((temp != (bcc&0xFF)) || (temp1 != ((bcc>>8)&0xFF))) 866 return (-1); 867 } 868 869 offset += bcc + 2; 870 871 if (offset != total_bytes) 872 return (-1); 873 874 sr->smb_wct = (unsigned char)wct; 875 sr->smb_bcc = (uint16_t)bcc; 876 return (0); 877 } 878 879 int 880 smbsr_decode_vwv(struct smb_request *sr, char *fmt, ...) 881 { 882 int rc; 883 va_list ap; 884 885 va_start(ap, fmt); 886 rc = smb_mbc_vdecodef(&sr->smb_vwv, fmt, ap); 887 va_end(ap); 888 889 if (rc) 890 smbsr_error(sr, 0, ERRSRV, ERRerror); 891 return (rc); 892 } 893 894 int 895 smbsr_decode_data(struct smb_request *sr, char *fmt, ...) 896 { 897 int rc; 898 va_list ap; 899 900 va_start(ap, fmt); 901 rc = smb_mbc_vdecodef(&sr->smb_data, fmt, ap); 902 va_end(ap); 903 904 if (rc) 905 smbsr_error(sr, 0, ERRSRV, ERRerror); 906 return (rc); 907 } 908 909 boolean_t 910 smbsr_decode_data_avail(smb_request_t *sr) 911 { 912 return (sr->smb_data.chain_offset < sr->smb_data.max_bytes); 913 } 914 915 void 916 smbsr_send_reply(smb_request_t *sr) 917 { 918 if (SMB_TREE_IS_CASEINSENSITIVE(sr)) 919 sr->smb_flg |= SMB_FLAGS_CASE_INSENSITIVE; 920 else 921 sr->smb_flg &= ~SMB_FLAGS_CASE_INSENSITIVE; 922 923 (void) smb_mbc_poke(&sr->reply, 0, SMB_HEADER_ED_FMT, 924 sr->first_smb_com, 925 sr->smb_rcls, 926 sr->smb_reh, 927 sr->smb_err, 928 sr->smb_flg | SMB_FLAGS_REPLY, 929 sr->smb_flg2, 930 sr->smb_pid_high, 931 sr->smb_sig, 932 sr->smb_tid, 933 sr->smb_pid, 934 sr->smb_uid, 935 sr->smb_mid); 936 937 if (sr->session->signing.flags & SMB_SIGNING_ENABLED) 938 smb_sign_reply(sr, NULL); 939 940 smb_server_inc_req(sr->session->s_server); 941 if (smb_session_send(sr->session, 0, &sr->reply) == 0) 942 sr->reply.chain = 0; 943 } 944 945 /* 946 * Map errno values to SMB and NT status values. 947 * Note: ESRCH is a special case to handle a streams lookup failure. 948 */ 949 static const struct { 950 int errnum; 951 int errcls; 952 int errcode; 953 DWORD status32; 954 } const smb_errno_map[] = { 955 { ENOSPC, ERRDOS, ERROR_DISK_FULL, NT_STATUS_DISK_FULL }, 956 { EDQUOT, ERRDOS, ERROR_DISK_FULL, NT_STATUS_DISK_FULL }, 957 { EPERM, ERRSRV, ERRaccess, NT_STATUS_ACCESS_DENIED }, 958 { ENOTDIR, ERRDOS, ERRbadpath, NT_STATUS_OBJECT_PATH_NOT_FOUND }, 959 { EISDIR, ERRDOS, ERRbadpath, NT_STATUS_FILE_IS_A_DIRECTORY }, 960 { ENOENT, ERRDOS, ERRbadfile, NT_STATUS_NO_SUCH_FILE }, 961 { ENOTEMPTY, ERRDOS, ERROR_DIR_NOT_EMPTY, 962 NT_STATUS_DIRECTORY_NOT_EMPTY }, 963 { EILSEQ, ERRDOS, ERROR_INVALID_NAME, 964 NT_STATUS_OBJECT_NAME_INVALID }, 965 { EACCES, ERRDOS, ERRnoaccess, NT_STATUS_ACCESS_DENIED }, 966 { ENOMEM, ERRDOS, ERRnomem, NT_STATUS_NO_MEMORY }, 967 { EIO, ERRHRD, ERRgeneral, NT_STATUS_IO_DEVICE_ERROR }, 968 { EXDEV, ERRSRV, ERRdiffdevice, NT_STATUS_NOT_SAME_DEVICE }, 969 { EREMOTE, ERRSRV, ERRbadpath, NT_STATUS_PATH_NOT_COVERED}, 970 { EROFS, ERRHRD, ERRnowrite, NT_STATUS_ACCESS_DENIED }, 971 { ESTALE, ERRDOS, ERRbadfid, NT_STATUS_INVALID_HANDLE }, 972 { EBADF, ERRDOS, ERRbadfid, NT_STATUS_INVALID_HANDLE }, 973 { ENOTSOCK, ERRDOS, ERRbadfid, NT_STATUS_INVALID_HANDLE }, 974 { EPIPE, ERRDOS, ERROR_BROKEN_PIPE, NT_STATUS_PIPE_BROKEN }, 975 { EEXIST, ERRDOS, ERRfilexists, NT_STATUS_OBJECT_NAME_COLLISION }, 976 { ENXIO, ERRSRV, ERRinvdevice, NT_STATUS_BAD_DEVICE_TYPE }, 977 { ESRCH, ERRDOS, ERROR_FILE_NOT_FOUND, 978 NT_STATUS_OBJECT_NAME_NOT_FOUND }, 979 /* 980 * It's not clear why smb_read_common effectively returns 981 * ERRnoaccess if a range lock prevents access and smb_write_common 982 * effectively returns ERRaccess. This table entry is used by 983 * smb_read_common and preserves the behavior that was there before. 984 */ 985 { ERANGE, ERRDOS, ERRnoaccess, NT_STATUS_FILE_LOCK_CONFLICT } 986 }; 987 988 void 989 smbsr_map_errno(int errnum, smb_error_t *err) 990 { 991 int i; 992 993 for (i = 0; i < sizeof (smb_errno_map)/sizeof (smb_errno_map[0]); ++i) { 994 if (smb_errno_map[i].errnum == errnum) { 995 err->status = smb_errno_map[i].status32; 996 err->errcls = smb_errno_map[i].errcls; 997 err->errcode = smb_errno_map[i].errcode; 998 return; 999 } 1000 } 1001 1002 err->status = NT_STATUS_INTERNAL_ERROR; 1003 err->errcls = ERRDOS; 1004 err->errcode = ERROR_INTERNAL_ERROR; 1005 } 1006 1007 void 1008 smbsr_errno(struct smb_request *sr, int errnum) 1009 { 1010 smbsr_map_errno(errnum, &sr->smb_error); 1011 smbsr_set_error(sr, &sr->smb_error); 1012 } 1013 1014 /* 1015 * Report a request processing status (error or warning). 1016 */ 1017 void 1018 smbsr_status(smb_request_t *sr, DWORD status, uint16_t errcls, uint16_t errcode) 1019 { 1020 sr->smb_error.status = status; 1021 sr->smb_error.errcls = errcls; 1022 sr->smb_error.errcode = errcode; 1023 1024 smbsr_set_error(sr, &sr->smb_error); 1025 } 1026 1027 /* 1028 * Setup a request processing error. This function can be used to 1029 * report 32-bit status codes or DOS errors. Set the status code 1030 * to 0 (NT_STATUS_SUCCESS) to explicitly report a DOS error, 1031 * regardless of the client capabilities. 1032 * 1033 * If status is non-zero and the client supports 32-bit status 1034 * codes, report the status. Otherwise, report the DOS error. 1035 */ 1036 void 1037 smbsr_set_error(smb_request_t *sr, smb_error_t *err) 1038 { 1039 uint32_t status; 1040 uint32_t capabilities; 1041 1042 ASSERT(sr); 1043 ASSERT(err); 1044 1045 status = err->status; 1046 capabilities = sr->session->capabilities; 1047 1048 if ((err->errcls == 0) && (err->errcode == 0)) { 1049 capabilities |= CAP_STATUS32; 1050 if (status == 0) 1051 status = NT_STATUS_INTERNAL_ERROR; 1052 } 1053 1054 if ((capabilities & CAP_STATUS32) && (status != 0)) { 1055 sr->smb_rcls = status & 0xff; 1056 sr->smb_reh = (status >> 8) & 0xff; 1057 sr->smb_err = status >> 16; 1058 sr->smb_flg2 |= SMB_FLAGS2_NT_STATUS; 1059 } else { 1060 if ((err->errcls == 0) || (err->errcode == 0)) { 1061 sr->smb_rcls = ERRSRV; 1062 sr->smb_err = ERRerror; 1063 } else { 1064 sr->smb_rcls = (uint8_t)err->errcls; 1065 sr->smb_err = (uint16_t)err->errcode; 1066 } 1067 } 1068 } 1069 1070 smb_xa_t * 1071 smbsr_lookup_xa(smb_request_t *sr) 1072 { 1073 ASSERT(sr->r_xa == 0); 1074 1075 sr->r_xa = smb_xa_find(sr->session, sr->smb_pid, sr->smb_mid); 1076 return (sr->r_xa); 1077 } 1078 1079 void 1080 smbsr_release_file(smb_request_t *sr) 1081 { 1082 smb_ofile_t *of = sr->fid_ofile; 1083 1084 sr->fid_ofile = NULL; 1085 (void) smb_ofile_release(of); 1086 } 1087 1088 void 1089 smbsr_lookup_file(smb_request_t *sr) 1090 { 1091 if (sr->fid_ofile == NULL) 1092 sr->fid_ofile = smb_ofile_lookup_by_fid(sr, sr->smb_fid); 1093 } 1094 1095 static int 1096 is_andx_com(unsigned char com) 1097 { 1098 switch (com) { 1099 case SMB_COM_LOCKING_ANDX: 1100 case SMB_COM_OPEN_ANDX: 1101 case SMB_COM_READ_ANDX: 1102 case SMB_COM_WRITE_ANDX: 1103 case SMB_COM_SESSION_SETUP_ANDX: 1104 case SMB_COM_LOGOFF_ANDX: 1105 case SMB_COM_TREE_CONNECT_ANDX: 1106 case SMB_COM_NT_CREATE_ANDX: 1107 return (1); 1108 } 1109 return (0); 1110 } 1111 1112 /* 1113 * Invalid command stubs. 1114 * 1115 * SmbWriteComplete is sent to acknowledge completion of raw write requests. 1116 * We never send raw write commands to other servers so, if we receive 1117 * SmbWriteComplete, we treat it as an error. 1118 * 1119 * The Read/Write Block Multiplexed (mpx) protocol is used to maximize 1120 * performance when reading/writing a large block of data: it can be 1121 * used in parallel with other client/server operations. The mpx sub- 1122 * protocol is not supported because we support only connection oriented 1123 * transports and NT supports mpx only over connectionless transports. 1124 */ 1125 smb_sdrc_t 1126 smb_pre_invalid(smb_request_t *sr) 1127 { 1128 DTRACE_SMB_1(op__Invalid__start, smb_request_t *, sr); 1129 return (SDRC_SUCCESS); 1130 } 1131 1132 void 1133 smb_post_invalid(smb_request_t *sr) 1134 { 1135 DTRACE_SMB_1(op__Invalid__done, smb_request_t *, sr); 1136 } 1137 1138 smb_sdrc_t 1139 smb_com_invalid(smb_request_t *sr) 1140 { 1141 smb_sdrc_t sdrc; 1142 1143 switch (sr->smb_com) { 1144 case SMB_COM_WRITE_COMPLETE: 1145 smbsr_error(sr, 0, ERRSRV, ERRerror); 1146 sdrc = SDRC_ERROR; 1147 break; 1148 1149 default: 1150 smbsr_error(sr, NT_STATUS_NOT_IMPLEMENTED, 1151 ERRDOS, ERROR_INVALID_FUNCTION); 1152 sdrc = SDRC_NOT_IMPLEMENTED; 1153 break; 1154 } 1155 1156 return (sdrc); 1157 } 1158 1159 /* 1160 * smb_dispatch_stats_init 1161 * 1162 * Initializes dispatch statistics. 1163 */ 1164 void 1165 smb_dispatch_stats_init(smb_server_t *sv) 1166 { 1167 smb_disp_stats_t *sds = sv->sv_disp_stats; 1168 smb_kstat_req_t *ksr; 1169 int ks_ndata; 1170 int i; 1171 1172 ksr = ((smbsrv_kstats_t *)sv->sv_ksp->ks_data)->ks_reqs; 1173 1174 for (i = 0; i < SMB_COM_NUM; i++, ksr++) { 1175 smb_latency_init(&sds[i].sdt_lat); 1176 (void) strlcpy(ksr->kr_name, smb_disp_table[i].sdt_name, 1177 sizeof (ksr->kr_name)); 1178 } 1179 /* Legacy Statistics */ 1180 for (i = 0, ks_ndata = 0; i < SMB_COM_NUM; i++) { 1181 if (smb_disp_table[i].sdt_function != smb_com_invalid) 1182 ks_ndata++; 1183 } 1184 } 1185 1186 /* 1187 * smb_dispatch_stats_fini 1188 * 1189 * Frees and destroyes the resources used for statistics. 1190 */ 1191 void 1192 smb_dispatch_stats_fini(smb_server_t *sv) 1193 { 1194 smb_disp_stats_t *sds = sv->sv_disp_stats; 1195 int i; 1196 1197 for (i = 0; i < SMB_COM_NUM; i++) 1198 smb_latency_destroy(&sds[i].sdt_lat); 1199 } 1200 1201 void 1202 smb_dispatch_stats_update(smb_server_t *sv, 1203 smb_kstat_req_t *ksr, int first, int nreq) 1204 { 1205 smb_disp_stats_t *sds = sv->sv_disp_stats; 1206 int i; 1207 int last; 1208 1209 last = first + nreq - 1; 1210 1211 if ((first < SMB_COM_NUM) && (last < SMB_COM_NUM)) { 1212 for (i = first; i <= last; i++, ksr++) { 1213 ksr->kr_rxb = sds[i].sdt_rxb; 1214 ksr->kr_txb = sds[i].sdt_txb; 1215 mutex_enter(&sds[i].sdt_lat.ly_mutex); 1216 ksr->kr_nreq = sds[i].sdt_lat.ly_a_nreq; 1217 ksr->kr_sum = sds[i].sdt_lat.ly_a_sum; 1218 ksr->kr_a_mean = sds[i].sdt_lat.ly_a_mean; 1219 ksr->kr_a_stddev = 1220 sds[i].sdt_lat.ly_a_stddev; 1221 ksr->kr_d_mean = sds[i].sdt_lat.ly_d_mean; 1222 ksr->kr_d_stddev = 1223 sds[i].sdt_lat.ly_d_stddev; 1224 sds[i].sdt_lat.ly_d_mean = 0; 1225 sds[i].sdt_lat.ly_d_nreq = 0; 1226 sds[i].sdt_lat.ly_d_stddev = 0; 1227 sds[i].sdt_lat.ly_d_sum = 0; 1228 mutex_exit(&sds[i].sdt_lat.ly_mutex); 1229 } 1230 } 1231 } 1232