1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 * 25 * 26 * Dispatching SMB requests. 27 */ 28 29 /* 30 * ALMOST EVERYTHING YOU NEED TO KNOW ABOUT A SERVER MESSAGE BLOCK 31 * 32 * Request 33 * Header 34 * Magic 0xFF 'S' 'M' 'B' 35 * smb_com a byte, the "first" command 36 * Error a 4-byte union, ignored in a request 37 * smb_flg a one byte set of eight flags 38 * smb_flg2 a two byte set of 16 flags 39 * . twelve reserved bytes, have a role 40 * in connectionless transports (IPX, UDP?) 41 * smb_tid a 16-bit tree ID, a mount point sorta, 42 * 0xFFFF is this command does not have 43 * or require a tree context 44 * smb_pid a 16-bit process ID 45 * smb_uid a 16-bit user ID, specific to this "session" 46 * and mapped to a system (bona-fide) UID 47 * smb_mid a 16-bit multiplex ID, used to differentiate 48 * multiple simultaneous requests from the same 49 * process (pid) (ref RPC "xid") 50 * 51 * Chained (AndX) commands (0 or more) 52 * smb_wct a byte, number of 16-bit words containing 53 * command parameters, min 2 for chained command 54 * andx_com a byte, the "next" command, 0xFF for none 55 * . an unused byte 56 * andx_off a 16-bit offset, byte displacement from &Magic 57 * to the smb_wct field of the "next" command, 58 * ignore if andx_com is 0xFF, s/b 0 if no next 59 * smb_vwv[] 0 or more 16-bit (sorta) parameters for 60 * "this" command (i.e. smb_com if this is the 61 * first parameters, or the andx_com of the just 62 * previous block. 63 * smb_bcc a 16-bit count of smb_data[] bytes 64 * smb_data[] 0 or more bytes, format specific to commands 65 * padding[] Optional padding 66 * 67 * Last command 68 * smb_wct a byte, number of 16-bit words containing 69 * command parameters, min 0 for chained command 70 * smb_vwv[] 0 or more 16-bit (sorta) parameters for 71 * "this" command (i.e. smb_com if this is the 72 * first parameters, or the andx_com of the just 73 * previous block. 74 * smb_bcc a 16-bit count of smb_data[] bytes 75 * smb_data[] 0 or more bytes, format specific to commands 76 * 77 * Reply 78 * Header 79 * Magic 0xFF 'S' 'M' 'B' 80 * smb_com a byte, the "first" command, corresponds 81 * to request 82 * Error a 4-byte union, coding depends on dialect in use 83 * for "DOS" errors 84 * a byte for error class 85 * an unused byte 86 * a 16-bit word for error code 87 * for "NT" errors 88 * a 32-bit error code which 89 * is a packed class and specifier 90 * for "OS/2" errors 91 * I don't know 92 * The error information is specific to the 93 * last command in the reply chain. 94 * smb_flg a one byte set of eight flags, 0x80 bit set 95 * indicating this message is a reply 96 * smb_flg2 a two byte set of 16 flags 97 * . twelve reserved bytes, have a role 98 * in connectionless transports (IPX, UDP?) 99 * smb_tid a 16-bit tree ID, a mount point sorta, 100 * should be the same as the request 101 * smb_pid a 16-bit process ID, MUST BE the same as request 102 * smb_uid a 16-bit user ID, specific to this "session" 103 * and mapped to a system (bona-fide) UID, 104 * should be the same as request 105 * smb_mid a 16-bit multiplex ID, used to differentiate 106 * multiple simultaneous requests from the same 107 * process (pid) (ref RPC "xid"), MUST BE the 108 * same as request 109 * padding[] Optional padding 110 * 111 * Chained (AndX) commands (0 or more) 112 * smb_wct a byte, number of 16-bit words containing 113 * command parameters, min 2 for chained command, 114 * andx_com a byte, the "next" command, 0xFF for none, 115 * corresponds to request, if this is the chained 116 * command that had an error set to 0xFF 117 * . an unused byte 118 * andx_off a 16-bit offset, byte displacement from &Magic 119 * to the smb_wct field of the "next" command, 120 * ignore if andx_com is 0xFF, s/b 0 if no next 121 * smb_vwv[] 0 or more 16-bit (sorta) parameters for 122 * "this" command (i.e. smb_com if this is the 123 * first parameters, or the andx_com of the just 124 * previous block. Empty if an error. 125 * smb_bcc a 16-bit count of smb_data[] bytes 126 * smb_data[] 0 or more bytes, format specific to commands 127 * empty if an error. 128 * 129 * Last command 130 * smb_wct a byte, number of 16-bit words containing 131 * command parameters, min 0 for chained command 132 * smb_vwv[] 0 or more 16-bit (sorta) parameters for 133 * "this" command (i.e. smb_com if this is the 134 * first parameters, or the andx_com of the just 135 * previous block, empty if an error. 136 * smb_bcc a 16-bit count of smb_data[] bytes 137 * smb_data[] 0 or more bytes, format specific to commands, 138 * empty if an error. 139 */ 140 141 #include <smbsrv/smb_incl.h> 142 #include <smbsrv/smb_kstat.h> 143 #include <sys/sdt.h> 144 145 #define SMB_ALL_DISPATCH_STAT_INCR(stat) atomic_inc_64(&stat); 146 #define SMB_COM_NUM 256 147 148 static kstat_t *smb_dispatch_ksp = NULL; 149 static kmutex_t smb_dispatch_ksmtx; 150 151 static int is_andx_com(unsigned char); 152 static int smbsr_check_result(struct smb_request *, int, int); 153 154 static smb_dispatch_table_t dispatch[SMB_COM_NUM] = { 155 { SMB_SDT_OPS(create_directory), /* 0x00 000 */ 156 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 157 { "SmbCreateDirectory", KSTAT_DATA_UINT64 } }, 158 { SMB_SDT_OPS(delete_directory), /* 0x01 001 */ 159 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 160 { "SmbDeleteDirectory", KSTAT_DATA_UINT64 } }, 161 { SMB_SDT_OPS(open), /* 0x02 002 */ 162 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 163 { "SmbOpen", KSTAT_DATA_UINT64 } }, 164 { SMB_SDT_OPS(create), /* 0x03 003 */ 165 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 166 { "SmbCreate", KSTAT_DATA_UINT64 } }, 167 { SMB_SDT_OPS(close), /* 0x04 004 */ 168 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 169 { "SmbClose", KSTAT_DATA_UINT64 } }, 170 { SMB_SDT_OPS(flush), /* 0x05 005 */ 171 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 172 { "SmbFlush", KSTAT_DATA_UINT64 } }, 173 { SMB_SDT_OPS(delete), /* 0x06 006 */ 174 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 175 { "SmbDelete", KSTAT_DATA_UINT64 } }, 176 { SMB_SDT_OPS(rename), /* 0x07 007 */ 177 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 178 { "SmbRename", KSTAT_DATA_UINT64 } }, 179 { SMB_SDT_OPS(query_information), /* 0x08 008 */ 180 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 181 { "SmbQueryInformation", KSTAT_DATA_UINT64 } }, 182 { SMB_SDT_OPS(set_information), /* 0x09 009 */ 183 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 184 { "SmbSetInformation", KSTAT_DATA_UINT64 } }, 185 { SMB_SDT_OPS(read), /* 0x0A 010 */ 186 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 187 { "SmbRead", KSTAT_DATA_UINT64 } }, 188 { SMB_SDT_OPS(write), /* 0x0B 011 */ 189 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 190 { "SmbWrite", KSTAT_DATA_UINT64 } }, 191 { SMB_SDT_OPS(lock_byte_range), /* 0x0C 012 */ 192 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 193 { "SmbLockByteRange", KSTAT_DATA_UINT64 } }, 194 { SMB_SDT_OPS(unlock_byte_range), /* 0x0D 013 */ 195 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 196 { "SmbUnlockByteRange", KSTAT_DATA_UINT64 } }, 197 { SMB_SDT_OPS(create_temporary), /* 0x0E 014 */ 198 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 199 { "SmbCreateTemporary", KSTAT_DATA_UINT64 } }, 200 { SMB_SDT_OPS(create_new), /* 0x0F 015 */ 201 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 202 { "SmbCreateNew", KSTAT_DATA_UINT64 } }, 203 { SMB_SDT_OPS(check_directory), /* 0x10 016 */ 204 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 205 { "SmbCheckDirectory", KSTAT_DATA_UINT64 } }, 206 { SMB_SDT_OPS(process_exit), /* 0x11 017 */ 207 PC_NETWORK_PROGRAM_1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, 208 RW_READER, 209 { "SmbProcessExit", KSTAT_DATA_UINT64 } }, 210 { SMB_SDT_OPS(seek), /* 0x12 018 */ 211 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 212 { "SmbSeek", KSTAT_DATA_UINT64 } }, 213 { SMB_SDT_OPS(lock_and_read), /* 0x13 019 */ 214 LANMAN1_0, 0, RW_READER, 215 { "SmbLockAndRead", KSTAT_DATA_UINT64 } }, 216 { SMB_SDT_OPS(write_and_unlock), /* 0x14 020 */ 217 LANMAN1_0, 0, RW_READER, 218 { "SmbWriteAndUnlock", KSTAT_DATA_UINT64 } }, 219 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x15 021 */ 220 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x16 022 */ 221 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x17 023 */ 222 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x18 024 */ 223 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x19 025 */ 224 { SMB_SDT_OPS(read_raw), /* 0x1A 026 */ 225 LANMAN1_0, 0, RW_WRITER, 226 { "SmbReadRaw", KSTAT_DATA_UINT64 } }, 227 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x1B 027 */ 228 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x1C 028 */ 229 { SMB_SDT_OPS(write_raw), /* 0x1D 029 */ 230 LANMAN1_0, 0, RW_WRITER, 231 { "SmbWriteRaw", KSTAT_DATA_UINT64 } }, 232 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x1E 030 */ 233 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x1F 031 */ 234 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x20 032 */ 235 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x21 033 */ 236 { SMB_SDT_OPS(set_information2), /* 0x22 034 */ 237 LANMAN1_0, 0, RW_READER, 238 { "SmbSetInformation2", KSTAT_DATA_UINT64 } }, 239 { SMB_SDT_OPS(query_information2), /* 0x23 035 */ 240 LANMAN1_0, 0, RW_READER, 241 { "SmbQueryInformation2", KSTAT_DATA_UINT64 } }, 242 { SMB_SDT_OPS(locking_andx), /* 0x24 036 */ 243 LANMAN1_0, 0, RW_READER, 244 { "SmbLockingX", KSTAT_DATA_UINT64 } }, 245 { SMB_SDT_OPS(transaction), /* 0x25 037 */ 246 LANMAN1_0, 0, RW_READER, 247 { "SmbTransaction", KSTAT_DATA_UINT64 } }, 248 { SMB_SDT_OPS(transaction_secondary), /* 0x26 038 */ 249 LANMAN1_0, 0, RW_READER, 250 { "SmbTransactionSecondary", KSTAT_DATA_UINT64 } }, 251 { SMB_SDT_OPS(ioctl), /* 0x27 039 */ 252 LANMAN1_0, 0, RW_READER, 253 { "SmbIoctl", KSTAT_DATA_UINT64 } }, 254 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x28 040 */ 255 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x29 041 */ 256 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x2A 042 */ 257 { SMB_SDT_OPS(echo), /* 0x2B 043 */ 258 LANMAN1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, 259 RW_READER, 260 { "SmbEcho", KSTAT_DATA_UINT64 } }, 261 { SMB_SDT_OPS(write_and_close), /* 0x2C 044 */ 262 LANMAN1_0, 0, RW_READER, 263 { "SmbWriteAndClose", KSTAT_DATA_UINT64 } }, 264 { SMB_SDT_OPS(open_andx), /* 0x2D 045 */ 265 LANMAN1_0, 0, RW_READER, 266 { "SmbOpenX", KSTAT_DATA_UINT64 } }, 267 { SMB_SDT_OPS(read_andx), /* 0x2E 046 */ 268 LANMAN1_0, 0, RW_READER, 269 { "SmbReadX", KSTAT_DATA_UINT64 } }, 270 { SMB_SDT_OPS(write_andx), /* 0x2F 047 */ 271 LANMAN1_0, 0, RW_READER, 272 { "SmbWriteX", KSTAT_DATA_UINT64 } }, 273 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x30 048 */ 274 { SMB_SDT_OPS(close_and_tree_disconnect), /* 0x31 049 */ 275 LANMAN1_0, 0, RW_READER, 276 { "SmbCloseAndTreeDisconnect", KSTAT_DATA_UINT64 } }, 277 { SMB_SDT_OPS(transaction2), /* 0x32 050 */ 278 LM1_2X002, 0, RW_READER, 279 { "SmbTransaction2", KSTAT_DATA_UINT64 } }, 280 { SMB_SDT_OPS(transaction2_secondary), /* 0x33 051 */ 281 LM1_2X002, 0, RW_READER, 282 { "SmbTransaction2Secondary", KSTAT_DATA_UINT64 } }, 283 { SMB_SDT_OPS(find_close2), /* 0x34 052 */ 284 LM1_2X002, 0, RW_READER, 285 { "SmbFindClose2", KSTAT_DATA_UINT64 } }, 286 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x35 053 */ 287 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x36 054 */ 288 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x37 055 */ 289 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x38 056 */ 290 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x39 057 */ 291 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3A 058 */ 292 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3B 059 */ 293 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3C 060 */ 294 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3D 061 */ 295 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3E 062 */ 296 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3F 063 */ 297 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x40 064 */ 298 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x41 065 */ 299 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x42 066 */ 300 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x43 067 */ 301 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x44 068 */ 302 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x45 069 */ 303 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x46 070 */ 304 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x47 071 */ 305 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x48 072 */ 306 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x49 073 */ 307 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4A 074 */ 308 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4B 075 */ 309 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4C 076 */ 310 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4D 077 */ 311 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4E 078 */ 312 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4F 079 */ 313 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x50 080 */ 314 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x51 081 */ 315 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x52 082 */ 316 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x53 083 */ 317 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x54 084 */ 318 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x55 085 */ 319 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x56 086 */ 320 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x57 087 */ 321 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x58 088 */ 322 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x59 089 */ 323 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5A 090 */ 324 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5B 091 */ 325 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5C 092 */ 326 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5D 093 */ 327 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5E 094 */ 328 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5F 095 */ 329 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x60 096 */ 330 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x61 097 */ 331 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x62 098 */ 332 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x63 099 */ 333 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x64 100 */ 334 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x65 101 */ 335 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x66 102 */ 336 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x67 103 */ 337 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x68 104 */ 338 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x69 105 */ 339 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6A 106 */ 340 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6B 107 */ 341 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6C 108 */ 342 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6D 109 */ 343 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6E 110 */ 344 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6F 111 */ 345 { SMB_SDT_OPS(tree_connect), /* 0x70 112 */ 346 PC_NETWORK_PROGRAM_1_0, SDDF_SUPPRESS_TID, RW_READER, 347 { "SmbTreeConnect", KSTAT_DATA_UINT64 } }, 348 { SMB_SDT_OPS(tree_disconnect), /* 0x71 113 */ 349 PC_NETWORK_PROGRAM_1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, 350 RW_READER, 351 { "SmbTreeDisconnect", KSTAT_DATA_UINT64 } }, 352 { SMB_SDT_OPS(negotiate), /* 0x72 114 */ 353 PC_NETWORK_PROGRAM_1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, 354 RW_WRITER, 355 { "SmbNegotiate", KSTAT_DATA_UINT64 } }, 356 { SMB_SDT_OPS(session_setup_andx), /* 0x73 115 */ 357 LANMAN1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, 358 RW_READER, 359 { "SmbSessionSetupX", KSTAT_DATA_UINT64 } }, 360 { SMB_SDT_OPS(logoff_andx), /* 0x74 116 */ 361 LM1_2X002, SDDF_SUPPRESS_TID, RW_READER, 362 { "SmbLogoffX", KSTAT_DATA_UINT64 } }, 363 { SMB_SDT_OPS(tree_connect_andx), /* 0x75 117 */ 364 LANMAN1_0, SDDF_SUPPRESS_TID, RW_READER, 365 { "SmbTreeConnectX", KSTAT_DATA_UINT64 } }, 366 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x76 118 */ 367 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x77 119 */ 368 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x78 120 */ 369 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x79 121 */ 370 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7A 122 */ 371 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7B 123 */ 372 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7C 124 */ 373 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7D 125 */ 374 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7E 126 */ 375 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7F 127 */ 376 { SMB_SDT_OPS(query_information_disk), /* 0x80 128 */ 377 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 378 { "SmbQueryInformationDisk", KSTAT_DATA_UINT64 } }, 379 { SMB_SDT_OPS(search), /* 0x81 129 */ 380 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 381 { "SmbSearch", KSTAT_DATA_UINT64 } }, 382 { SMB_SDT_OPS(find), /* 0x82 130 */ 383 LANMAN1_0, 0, RW_READER, 384 { "SmbFind", KSTAT_DATA_UINT64 } }, 385 { SMB_SDT_OPS(find_unique), /* 0x83 131 */ 386 LANMAN1_0, 0, RW_READER, 387 { "SmbFindUnique", KSTAT_DATA_UINT64 } }, 388 { SMB_SDT_OPS(find_close), /* 0x84 132 */ 389 LANMAN1_0, 0, RW_READER, 390 { "SmbFindClose", KSTAT_DATA_UINT64 } }, 391 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x85 133 */ 392 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x86 134 */ 393 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x87 135 */ 394 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x88 136 */ 395 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x89 137 */ 396 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8A 138 */ 397 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8B 139 */ 398 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8C 140 */ 399 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8D 141 */ 400 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8E 142 */ 401 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8F 143 */ 402 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x90 144 */ 403 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x91 145 */ 404 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x92 146 */ 405 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x93 147 */ 406 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x94 148 */ 407 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x95 149 */ 408 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x96 150 */ 409 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x97 151 */ 410 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x98 152 */ 411 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x99 153 */ 412 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9A 154 */ 413 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9B 155 */ 414 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9C 156 */ 415 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9D 157 */ 416 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9E 158 */ 417 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9F 159 */ 418 { SMB_SDT_OPS(nt_transact), /* 0xA0 160 */ 419 NT_LM_0_12, 0, RW_READER, 420 { "SmbNtTransact", KSTAT_DATA_UINT64 } }, 421 { SMB_SDT_OPS(nt_transact_secondary), /* 0xA1 161 */ 422 NT_LM_0_12, 0, RW_READER, 423 { "SmbNtTransactSecondary", KSTAT_DATA_UINT64 } }, 424 { SMB_SDT_OPS(nt_create_andx), /* 0xA2 162 */ 425 NT_LM_0_12, 0, RW_READER, 426 { "SmbNtCreateX", KSTAT_DATA_UINT64 } }, 427 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA3 163 */ 428 { SMB_SDT_OPS(nt_cancel), /* 0xA4 164 */ 429 NT_LM_0_12, 0, RW_READER, 430 { "SmbNtCancel", KSTAT_DATA_UINT64 } }, 431 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA5 165 */ 432 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA6 166 */ 433 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA7 167 */ 434 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA8 168 */ 435 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA9 169 */ 436 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAA 170 */ 437 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAB 171 */ 438 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAC 172 */ 439 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAD 173 */ 440 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAE 174 */ 441 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAF 175 */ 442 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB0 176 */ 443 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB1 177 */ 444 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB2 178 */ 445 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB3 179 */ 446 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB4 180 */ 447 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB5 181 */ 448 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB6 182 */ 449 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB7 183 */ 450 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB8 184 */ 451 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB9 185 */ 452 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBA 186 */ 453 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBB 187 */ 454 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBC 188 */ 455 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBD 189 */ 456 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBE 190 */ 457 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBF 191 */ 458 { SMB_SDT_OPS(open_print_file), /* 0xC0 192 */ 459 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 460 { "SmbOpenPrintFile", KSTAT_DATA_UINT64 } }, 461 { SMB_SDT_OPS(write_print_file), /* 0xC1 193 */ 462 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 463 { "SmbWritePrintFile", KSTAT_DATA_UINT64 } }, 464 { SMB_SDT_OPS(close_print_file), /* 0xC2 194 */ 465 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 466 { "SmbClosePrintFile", KSTAT_DATA_UINT64 } }, 467 { SMB_SDT_OPS(get_print_queue), /* 0xC3 195 */ 468 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 469 { "SmbGetPrintQueue", KSTAT_DATA_UINT64 } }, 470 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC4 196 */ 471 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC5 197 */ 472 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC6 198 */ 473 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC7 199 */ 474 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC8 200 */ 475 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC9 201 */ 476 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCA 202 */ 477 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCB 203 */ 478 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCC 204 */ 479 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCD 205 */ 480 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCE 206 */ 481 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCF 207 */ 482 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD0 208 */ 483 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD1 209 */ 484 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD2 210 */ 485 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD3 211 */ 486 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD4 212 */ 487 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD5 213 */ 488 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD6 214 */ 489 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD7 215 */ 490 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD8 216 */ 491 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD9 217 */ 492 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDA 218 */ 493 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDB 219 */ 494 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDC 220 */ 495 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDD 221 */ 496 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDE 222 */ 497 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDF 223 */ 498 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE0 224 */ 499 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE1 225 */ 500 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE2 226 */ 501 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE3 227 */ 502 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE4 228 */ 503 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE5 229 */ 504 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE6 230 */ 505 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE7 231 */ 506 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE8 232 */ 507 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE9 233 */ 508 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xEA 234 */ 509 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xEB 235 */ 510 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xEC 236 */ 511 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xED 237 */ 512 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xEE 238 */ 513 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xEF 239 */ 514 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF0 240 */ 515 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF1 241 */ 516 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF2 242 */ 517 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF3 243 */ 518 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF4 244 */ 519 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF5 245 */ 520 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF6 246 */ 521 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF7 247 */ 522 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF8 248 */ 523 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF9 249 */ 524 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xFA 250 */ 525 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xFB 251 */ 526 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xFC 252 */ 527 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xFD 253 */ 528 { SMB_SDT_OPS(invalid), LANMAN1_0, 0, RW_READER, /* 0xFE 254 */ 529 { "SmbInvalidCommand", KSTAT_DATA_UINT64 } }, 530 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 } /* 0xFF 255 */ 531 }; 532 533 /* 534 * smbsr_cleanup 535 * 536 * If any user/tree/file is used by given request then 537 * the reference count for that resource has been incremented. 538 * This function decrements the reference count and close 539 * the resource if it's needed. 540 */ 541 542 void 543 smbsr_cleanup(smb_request_t *sr) 544 { 545 ASSERT((sr->sr_state != SMB_REQ_STATE_CLEANED_UP) && 546 (sr->sr_state != SMB_REQ_STATE_COMPLETED)); 547 548 if (sr->fid_ofile) 549 smbsr_disconnect_file(sr); 550 551 if (sr->sid_odir) 552 smbsr_disconnect_dir(sr); 553 554 if (sr->r_xa) { 555 if (sr->r_xa->xa_flags & SMB_XA_FLAG_COMPLETE) 556 smb_xa_close(sr->r_xa); 557 smb_xa_rele(sr->session, sr->r_xa); 558 sr->r_xa = NULL; 559 } 560 561 /* 562 * Mark this request so we know that we've already cleaned it up. 563 * A request should only get cleaned up once so multiple calls to 564 * smbsr_cleanup for the same request indicate a bug. 565 */ 566 mutex_enter(&sr->sr_mutex); 567 if (sr->sr_state != SMB_REQ_STATE_CANCELED) 568 sr->sr_state = SMB_REQ_STATE_CLEANED_UP; 569 mutex_exit(&sr->sr_mutex); 570 } 571 572 void 573 smb_dispatch_request(struct smb_request *sr) 574 { 575 smb_sdrc_t sdrc; 576 smb_dispatch_table_t *sdd; 577 boolean_t disconnect = B_FALSE; 578 579 ASSERT(sr->tid_tree == 0); 580 ASSERT(sr->uid_user == 0); 581 ASSERT(sr->fid_ofile == 0); 582 ASSERT(sr->sid_odir == 0); 583 sr->smb_fid = (uint16_t)-1; 584 sr->smb_sid = (uint16_t)-1; 585 586 /* temporary until we identify a user */ 587 sr->user_cr = kcred; 588 sr->orig_request_hdr = sr->command.chain_offset; 589 590 /* If this connection is shutting down just kill request */ 591 if (smb_mbc_decodef(&sr->command, SMB_HEADER_ED_FMT, 592 &sr->smb_com, 593 &sr->smb_rcls, 594 &sr->smb_reh, 595 &sr->smb_err, 596 &sr->smb_flg, 597 &sr->smb_flg2, 598 &sr->smb_pid_high, 599 sr->smb_sig, 600 &sr->smb_tid, 601 &sr->smb_pid, 602 &sr->smb_uid, 603 &sr->smb_mid) != 0) { 604 disconnect = B_TRUE; 605 goto drop_connection; 606 } 607 608 /* 609 * The reply "header" is filled in now even though it will, 610 * most likely, be rewritten under reply_ready below. We 611 * could reserve the space but this is convenient in case 612 * the dialect dispatcher has to send a special reply (like 613 * TRANSACT). 614 * 615 * Ensure that the 32-bit error code flag is turned off. 616 * Clients seem to set it in transact requests and they may 617 * get confused if we return success or a 16-bit SMB code. 618 */ 619 sr->smb_rcls = 0; 620 sr->smb_reh = 0; 621 sr->smb_err = 0; 622 sr->smb_flg2 &= ~SMB_FLAGS2_NT_STATUS; 623 624 (void) smb_mbc_encodef(&sr->reply, SMB_HEADER_ED_FMT, 625 sr->smb_com, 626 sr->smb_rcls, 627 sr->smb_reh, 628 sr->smb_err, 629 sr->smb_flg, 630 sr->smb_flg2, 631 sr->smb_pid_high, 632 sr->smb_sig, 633 sr->smb_tid, 634 sr->smb_pid, 635 sr->smb_uid, 636 sr->smb_mid); 637 sr->first_smb_com = sr->smb_com; 638 639 /* 640 * Verify SMB signature if signing is enabled, dialect is NT LM 0.12, 641 * signing was negotiated and authentication has occurred. 642 */ 643 if (sr->session->signing.flags & SMB_SIGNING_ENABLED) { 644 if (smb_sign_check_request(sr) != 0) { 645 smbsr_error(sr, NT_STATUS_ACCESS_DENIED, 646 ERRDOS, ERROR_ACCESS_DENIED); 647 disconnect = B_TRUE; 648 smb_rwx_rwenter(&sr->session->s_lock, RW_READER); 649 goto report_error; 650 } 651 } 652 653 andx_more: 654 sdd = &dispatch[sr->smb_com]; 655 ASSERT(sdd->sdt_function); 656 657 smb_rwx_rwenter(&sr->session->s_lock, sdd->sdt_slock_mode); 658 659 if (smb_mbc_decodef(&sr->command, "b", &sr->smb_wct) != 0) { 660 disconnect = B_TRUE; 661 goto report_error; 662 } 663 664 (void) MBC_SHADOW_CHAIN(&sr->smb_vwv, &sr->command, 665 sr->command.chain_offset, sr->smb_wct * 2); 666 667 if (smb_mbc_decodef(&sr->command, "#.w", sr->smb_wct*2, &sr->smb_bcc)) { 668 disconnect = B_TRUE; 669 goto report_error; 670 } 671 672 (void) MBC_SHADOW_CHAIN(&sr->smb_data, &sr->command, 673 sr->command.chain_offset, sr->smb_bcc); 674 675 sr->command.chain_offset += sr->smb_bcc; 676 if (sr->command.chain_offset > sr->command.max_bytes) { 677 disconnect = B_TRUE; 678 goto report_error; 679 } 680 681 /* Store pointers for later */ 682 sr->cur_reply_offset = sr->reply.chain_offset; 683 684 if (is_andx_com(sr->smb_com)) { 685 /* Peek ahead and don't disturb vwv */ 686 if (smb_mbc_peek(&sr->smb_vwv, sr->smb_vwv.chain_offset, "b.w", 687 &sr->andx_com, &sr->andx_off) < 0) { 688 disconnect = B_TRUE; 689 goto report_error; 690 } 691 } else { 692 sr->andx_com = (unsigned char)-1; 693 } 694 695 mutex_enter(&sr->sr_mutex); 696 switch (sr->sr_state) { 697 case SMB_REQ_STATE_SUBMITTED: 698 case SMB_REQ_STATE_CLEANED_UP: 699 sr->sr_state = SMB_REQ_STATE_ACTIVE; 700 break; 701 case SMB_REQ_STATE_CANCELED: 702 break; 703 default: 704 ASSERT(0); 705 break; 706 } 707 mutex_exit(&sr->sr_mutex); 708 709 /* 710 * Setup UID and TID information (if required). Both functions 711 * will set the sr credentials. In domain mode, the user and 712 * tree credentials should be the same. In share mode, the 713 * tree credentials (defined in the share definition) should 714 * override the user credentials. 715 */ 716 if (!(sdd->sdt_flags & SDDF_SUPPRESS_UID) && (sr->uid_user == NULL)) { 717 sr->uid_user = smb_user_lookup_by_uid(sr->session, sr->smb_uid); 718 if (sr->uid_user == NULL) { 719 smbsr_error(sr, 0, ERRSRV, ERRbaduid); 720 smbsr_cleanup(sr); 721 goto report_error; 722 } 723 724 sr->user_cr = smb_user_getcred(sr->uid_user); 725 726 if (!(sdd->sdt_flags & SDDF_SUPPRESS_TID) && 727 (sr->tid_tree == NULL)) { 728 sr->tid_tree = smb_user_lookup_tree( 729 sr->uid_user, sr->smb_tid); 730 if (sr->tid_tree == NULL) { 731 smbsr_error(sr, 0, ERRSRV, ERRinvnid); 732 smbsr_cleanup(sr); 733 goto report_error; 734 } 735 } 736 } 737 738 /* 739 * If the command is not a read raw request we can set the 740 * state of the session back to SMB_SESSION_STATE_NEGOTIATED 741 * (if the current state is SMB_SESSION_STATE_OPLOCK_BREAKING). 742 * Otherwise we let the read raw handler to deal with it. 743 */ 744 if ((sr->session->s_state == SMB_SESSION_STATE_OPLOCK_BREAKING) && 745 (sr->smb_com != SMB_COM_READ_RAW)) { 746 krw_t mode; 747 /* 748 * The lock may have to be upgraded because, at this 749 * point, we don't know how it was entered. We just 750 * know that it has to be entered in writer mode here. 751 * Whatever mode was used to enter the lock, it will 752 * be restored. 753 */ 754 mode = smb_rwx_rwupgrade(&sr->session->s_lock); 755 if (sr->session->s_state == SMB_SESSION_STATE_OPLOCK_BREAKING) 756 sr->session->s_state = SMB_SESSION_STATE_NEGOTIATED; 757 758 smb_rwx_rwdowngrade(&sr->session->s_lock, mode); 759 } 760 761 /* 762 * Increment method invocation count. This value is exposed 763 * via kstats, and it represents a count of all the dispatched 764 * requests, including the ones that have a return value, other 765 * than SDRC_SUCCESS. 766 */ 767 SMB_ALL_DISPATCH_STAT_INCR(sdd->sdt_dispatch_stats.value.ui64); 768 769 if ((sdrc = (*sdd->sdt_pre_op)(sr)) == SDRC_SUCCESS) 770 sdrc = (*sdd->sdt_function)(sr); 771 772 if (sdrc != SDRC_SUCCESS) { 773 /* 774 * Handle errors from raw write. 775 */ 776 if (sr->session->s_state == 777 SMB_SESSION_STATE_WRITE_RAW_ACTIVE) { 778 /* 779 * Set state so that the netbios session 780 * daemon will start accepting data again. 781 */ 782 sr->session->s_write_raw_status = 0; 783 sr->session->s_state = SMB_SESSION_STATE_NEGOTIATED; 784 } 785 } 786 787 (*sdd->sdt_post_op)(sr); 788 789 /* 790 * Only call smbsr_cleanup if smb->sr_keep is not set. 791 * smb_nt_transact_notify_change will set smb->sr_keep if it 792 * retains control of the request when it returns. In that 793 * case the notify change code will call smbsr_cleanup later 794 * when the request has completed. 795 */ 796 if (sr->sr_keep == 0) 797 smbsr_cleanup(sr); 798 799 switch (sdrc) { 800 case SDRC_SUCCESS: 801 break; 802 803 case SDRC_DROP_VC: 804 disconnect = B_TRUE; 805 goto drop_connection; 806 807 case SDRC_NO_REPLY: 808 smb_rwx_rwexit(&sr->session->s_lock); 809 return; 810 811 case SDRC_ERROR: 812 goto report_error; 813 814 case SDRC_NOT_IMPLEMENTED: 815 default: 816 smbsr_error(sr, 0, ERRDOS, ERRbadfunc); 817 goto report_error; 818 } 819 820 /* 821 * If there's no AndX command, we're done. 822 */ 823 if (sr->andx_com == 0xff) 824 goto reply_ready; 825 826 /* 827 * Otherwise, we have to back-patch the AndXCommand and AndXOffset 828 * and continue processing. 829 */ 830 sr->andx_prev_wct = sr->cur_reply_offset; 831 (void) smb_mbc_poke(&sr->reply, sr->andx_prev_wct + 1, "b.w", 832 sr->andx_com, MBC_LENGTH(&sr->reply)); 833 834 smb_rwx_rwexit(&sr->session->s_lock); 835 836 sr->command.chain_offset = sr->orig_request_hdr + sr->andx_off; 837 sr->smb_com = sr->andx_com; 838 goto andx_more; 839 840 report_error: 841 sr->reply.chain_offset = sr->cur_reply_offset; 842 (void) smb_mbc_encodef(&sr->reply, "bw", 0, 0); 843 844 sr->smb_wct = 0; 845 sr->smb_bcc = 0; 846 847 if (sr->smb_rcls == 0 && sr->smb_reh == 0 && sr->smb_err == 0) 848 smbsr_error(sr, 0, ERRSRV, ERRerror); 849 850 reply_ready: 851 smbsr_send_reply(sr); 852 853 drop_connection: 854 if (disconnect) { 855 switch (sr->session->s_state) { 856 case SMB_SESSION_STATE_DISCONNECTED: 857 case SMB_SESSION_STATE_TERMINATED: 858 break; 859 default: 860 smb_soshutdown(sr->session->sock); 861 sr->session->s_state = SMB_SESSION_STATE_DISCONNECTED; 862 break; 863 } 864 } 865 866 smb_rwx_rwexit(&sr->session->s_lock); 867 } 868 869 int 870 smbsr_encode_empty_result(struct smb_request *sr) 871 { 872 return (smbsr_encode_result(sr, 0, 0, "bw", 0, 0)); 873 } 874 875 int 876 smbsr_encode_result(struct smb_request *sr, int wct, int bcc, char *fmt, ...) 877 { 878 va_list ap; 879 880 if (MBC_LENGTH(&sr->reply) != sr->cur_reply_offset) 881 return (-1); 882 883 va_start(ap, fmt); 884 (void) smb_mbc_vencodef(&sr->reply, fmt, ap); 885 va_end(ap); 886 887 sr->smb_wct = (unsigned char)wct; 888 sr->smb_bcc = (uint16_t)bcc; 889 890 if (smbsr_check_result(sr, wct, bcc) != 0) 891 return (-1); 892 893 return (0); 894 } 895 896 static int 897 smbsr_check_result(struct smb_request *sr, int wct, int bcc) 898 { 899 int offset = sr->cur_reply_offset; 900 int total_bytes; 901 unsigned char temp, temp1; 902 struct mbuf *m; 903 904 total_bytes = 0; 905 m = sr->reply.chain; 906 while (m != 0) { 907 total_bytes += m->m_len; 908 m = m->m_next; 909 } 910 911 if ((offset + 3) > total_bytes) 912 return (-1); 913 914 (void) smb_mbc_peek(&sr->reply, offset, "b", &temp); 915 if (temp != wct) 916 return (-1); 917 918 if ((offset + (wct * 2 + 1)) > total_bytes) 919 return (-1); 920 921 /* reply wct & vwv seem ok, consider data now */ 922 offset += wct * 2 + 1; 923 924 if ((offset + 2) > total_bytes) 925 return (-1); 926 927 (void) smb_mbc_peek(&sr->reply, offset, "bb", &temp, &temp1); 928 if (bcc == VAR_BCC) { 929 if ((temp != 0xFF) || (temp1 != 0xFF)) { 930 return (-1); 931 } else { 932 bcc = (total_bytes - offset) - 2; 933 (void) smb_mbc_poke(&sr->reply, offset, "bb", 934 bcc, bcc >> 8); 935 } 936 } else { 937 if ((temp != (bcc&0xFF)) || (temp1 != ((bcc>>8)&0xFF))) 938 return (-1); 939 } 940 941 offset += bcc + 2; 942 943 if (offset != total_bytes) 944 return (-1); 945 946 sr->smb_wct = (unsigned char)wct; 947 sr->smb_bcc = (uint16_t)bcc; 948 return (0); 949 } 950 951 int 952 smbsr_decode_vwv(struct smb_request *sr, char *fmt, ...) 953 { 954 int rc; 955 va_list ap; 956 957 va_start(ap, fmt); 958 rc = smb_mbc_vdecodef(&sr->smb_vwv, fmt, ap); 959 va_end(ap); 960 961 if (rc) 962 smbsr_error(sr, 0, ERRSRV, ERRerror); 963 return (rc); 964 } 965 966 int 967 smbsr_decode_data(struct smb_request *sr, char *fmt, ...) 968 { 969 int rc; 970 va_list ap; 971 972 va_start(ap, fmt); 973 rc = smb_mbc_vdecodef(&sr->smb_data, fmt, ap); 974 va_end(ap); 975 976 if (rc) 977 smbsr_error(sr, 0, ERRSRV, ERRerror); 978 return (rc); 979 } 980 981 void 982 smbsr_send_reply(struct smb_request *sr) 983 { 984 if (SMB_TREE_IS_CASEINSENSITIVE(sr)) 985 sr->smb_flg |= SMB_FLAGS_CASE_INSENSITIVE; 986 else 987 sr->smb_flg &= ~SMB_FLAGS_CASE_INSENSITIVE; 988 989 (void) smb_mbc_poke(&sr->reply, 0, SMB_HEADER_ED_FMT, 990 sr->first_smb_com, 991 sr->smb_rcls, 992 sr->smb_reh, 993 sr->smb_err, 994 sr->smb_flg | SMB_FLAGS_REPLY, 995 sr->smb_flg2, 996 sr->smb_pid_high, 997 sr->smb_sig, 998 sr->smb_tid, 999 sr->smb_pid, 1000 sr->smb_uid, 1001 sr->smb_mid); 1002 1003 if (sr->session->signing.flags & SMB_SIGNING_ENABLED) 1004 smb_sign_reply(sr, NULL); 1005 1006 if (smb_session_send(sr->session, 0, &sr->reply) == 0) 1007 sr->reply.chain = 0; 1008 } 1009 1010 /* 1011 * Map errno values to SMB and NT status values. 1012 * Note: ESRCH is a special case to handle a streams lookup failure. 1013 */ 1014 static struct { 1015 int errnum; 1016 int errcls; 1017 int errcode; 1018 DWORD status32; 1019 } smb_errno_map[] = { 1020 { ENOSPC, ERRDOS, ERROR_DISK_FULL, NT_STATUS_DISK_FULL }, 1021 { EDQUOT, ERRDOS, ERROR_DISK_FULL, NT_STATUS_DISK_FULL }, 1022 { EPERM, ERRSRV, ERRaccess, NT_STATUS_ACCESS_DENIED }, 1023 { ENOTDIR, ERRDOS, ERRbadpath, NT_STATUS_OBJECT_PATH_NOT_FOUND }, 1024 { EISDIR, ERRDOS, ERRbadpath, NT_STATUS_FILE_IS_A_DIRECTORY }, 1025 { ENOENT, ERRDOS, ERRbadfile, NT_STATUS_NO_SUCH_FILE }, 1026 { ENOTEMPTY, ERRDOS, ERROR_DIR_NOT_EMPTY, 1027 NT_STATUS_DIRECTORY_NOT_EMPTY }, 1028 { EACCES, ERRDOS, ERRnoaccess, NT_STATUS_ACCESS_DENIED }, 1029 { ENOMEM, ERRDOS, ERRnomem, NT_STATUS_NO_MEMORY }, 1030 { EIO, ERRHRD, ERRgeneral, NT_STATUS_IO_DEVICE_ERROR }, 1031 { EXDEV, ERRSRV, ERRdiffdevice, NT_STATUS_NOT_SAME_DEVICE }, 1032 { EROFS, ERRHRD, ERRnowrite, NT_STATUS_ACCESS_DENIED }, 1033 { ESTALE, ERRDOS, ERRbadfid, NT_STATUS_INVALID_HANDLE}, 1034 { EBADF, ERRDOS, ERRbadfid, NT_STATUS_INVALID_HANDLE}, 1035 { EEXIST, ERRDOS, ERRfilexists, NT_STATUS_OBJECT_NAME_COLLISION}, 1036 { ENXIO, ERRSRV, ERRinvdevice, NT_STATUS_BAD_DEVICE_TYPE}, 1037 { ESRCH, ERRDOS, ERROR_FILE_NOT_FOUND, 1038 NT_STATUS_OBJECT_NAME_NOT_FOUND }, 1039 /* 1040 * It's not clear why smb_read_common effectively returns 1041 * ERRnoaccess if a range lock prevents access and smb_write_common 1042 * effectively returns ERRaccess. This table entry is used by 1043 * smb_read_common and preserves the behavior that was there before. 1044 */ 1045 { ERANGE, ERRDOS, ERRnoaccess, NT_STATUS_FILE_LOCK_CONFLICT } 1046 }; 1047 1048 void 1049 smbsr_map_errno(int errnum, smb_error_t *err) 1050 { 1051 int i; 1052 1053 for (i = 0; i < sizeof (smb_errno_map)/sizeof (smb_errno_map[0]); ++i) { 1054 if (smb_errno_map[i].errnum == errnum) { 1055 err->severity = ERROR_SEVERITY_ERROR; 1056 err->status = smb_errno_map[i].status32; 1057 err->errcls = smb_errno_map[i].errcls; 1058 err->errcode = smb_errno_map[i].errcode; 1059 return; 1060 } 1061 } 1062 1063 err->severity = ERROR_SEVERITY_ERROR; 1064 err->status = NT_STATUS_INTERNAL_ERROR; 1065 err->errcls = ERRDOS; 1066 err->errcode = ERROR_INTERNAL_ERROR; 1067 } 1068 1069 void 1070 smbsr_errno(struct smb_request *sr, int errnum) 1071 { 1072 smbsr_map_errno(errnum, &sr->smb_error); 1073 smbsr_set_error(sr, &sr->smb_error); 1074 } 1075 1076 /* 1077 * Report a request processing warning. 1078 */ 1079 void 1080 smbsr_warn(smb_request_t *sr, DWORD status, uint16_t errcls, uint16_t errcode) 1081 { 1082 sr->smb_error.severity = ERROR_SEVERITY_WARNING; 1083 sr->smb_error.status = status; 1084 sr->smb_error.errcls = errcls; 1085 sr->smb_error.errcode = errcode; 1086 1087 smbsr_set_error(sr, &sr->smb_error); 1088 } 1089 1090 /* 1091 * Report a request processing error. This function will not return. 1092 */ 1093 void 1094 smbsr_error(smb_request_t *sr, DWORD status, uint16_t errcls, uint16_t errcode) 1095 { 1096 sr->smb_error.severity = ERROR_SEVERITY_ERROR; 1097 sr->smb_error.status = status; 1098 sr->smb_error.errcls = errcls; 1099 sr->smb_error.errcode = errcode; 1100 1101 smbsr_set_error(sr, &sr->smb_error); 1102 } 1103 1104 /* 1105 * Setup a request processing error. This function can be used to 1106 * report 32-bit status codes or DOS errors. Set the status code 1107 * to 0 (NT_STATUS_SUCCESS) to explicitly report a DOS error, 1108 * regardless of the client capabilities. 1109 * 1110 * If status is non-zero and the client supports 32-bit status 1111 * codes, report the status. Otherwise, report the DOS error. 1112 */ 1113 void 1114 smbsr_set_error(smb_request_t *sr, smb_error_t *err) 1115 { 1116 uint32_t status; 1117 uint32_t severity; 1118 uint32_t capabilities; 1119 1120 ASSERT(sr); 1121 ASSERT(err); 1122 1123 status = err->status; 1124 severity = (err->severity == 0) ? ERROR_SEVERITY_ERROR : err->severity; 1125 capabilities = sr->session->capabilities; 1126 1127 if ((err->errcls == 0) && (err->errcode == 0)) { 1128 capabilities |= CAP_STATUS32; 1129 if (status == 0) 1130 status = NT_STATUS_INTERNAL_ERROR; 1131 } 1132 1133 if ((capabilities & CAP_STATUS32) && (status != 0)) { 1134 status |= severity; 1135 sr->smb_rcls = status & 0xff; 1136 sr->smb_reh = (status >> 8) & 0xff; 1137 sr->smb_err = status >> 16; 1138 sr->smb_flg2 |= SMB_FLAGS2_NT_STATUS; 1139 } else { 1140 if ((err->errcls == 0) || (err->errcode == 0)) { 1141 sr->smb_rcls = ERRSRV; 1142 sr->smb_err = ERRerror; 1143 } else { 1144 sr->smb_rcls = (uint8_t)err->errcls; 1145 sr->smb_err = (uint16_t)err->errcode; 1146 } 1147 } 1148 } 1149 1150 smb_xa_t * 1151 smbsr_lookup_xa(smb_request_t *sr) 1152 { 1153 ASSERT(sr->r_xa == 0); 1154 1155 sr->r_xa = smb_xa_find(sr->session, sr->smb_pid, sr->smb_mid); 1156 return (sr->r_xa); 1157 } 1158 1159 void 1160 smbsr_disconnect_file(smb_request_t *sr) 1161 { 1162 smb_ofile_t *of = sr->fid_ofile; 1163 1164 sr->fid_ofile = NULL; 1165 (void) smb_ofile_release(of); 1166 } 1167 1168 void 1169 smbsr_disconnect_dir(smb_request_t *sr) 1170 { 1171 smb_odir_t *od = sr->sid_odir; 1172 1173 sr->sid_odir = NULL; 1174 smb_odir_release(od); 1175 } 1176 1177 static int 1178 is_andx_com(unsigned char com) 1179 { 1180 switch (com) { 1181 case SMB_COM_LOCKING_ANDX: 1182 case SMB_COM_OPEN_ANDX: 1183 case SMB_COM_READ_ANDX: 1184 case SMB_COM_WRITE_ANDX: 1185 case SMB_COM_SESSION_SETUP_ANDX: 1186 case SMB_COM_LOGOFF_ANDX: 1187 case SMB_COM_TREE_CONNECT_ANDX: 1188 case SMB_COM_NT_CREATE_ANDX: 1189 return (1); 1190 } 1191 return (0); 1192 } 1193 1194 /* 1195 * Invalid command stubs. 1196 * 1197 * SmbWriteComplete is sent to acknowledge completion of raw write requests. 1198 * We never send raw write commands to other servers so, if we receive 1199 * SmbWriteComplete, we treat it as an error. 1200 * 1201 * The Read/Write Block Multiplexed (mpx) protocol is used to maximize 1202 * performance when reading/writing a large block of data: it can be 1203 * used in parallel with other client/server operations. The mpx sub- 1204 * protocol is not supported because we support only connection oriented 1205 * transports and NT supports mpx only over connectionless transports. 1206 */ 1207 smb_sdrc_t 1208 smb_pre_invalid(smb_request_t *sr) 1209 { 1210 DTRACE_SMB_1(op__Invalid__start, smb_request_t *, sr); 1211 return (SDRC_SUCCESS); 1212 } 1213 1214 void 1215 smb_post_invalid(smb_request_t *sr) 1216 { 1217 DTRACE_SMB_1(op__Invalid__done, smb_request_t *, sr); 1218 } 1219 1220 smb_sdrc_t 1221 smb_com_invalid(smb_request_t *sr) 1222 { 1223 smb_sdrc_t sdrc; 1224 1225 switch (sr->smb_com) { 1226 case SMB_COM_WRITE_COMPLETE: 1227 smbsr_error(sr, 0, ERRSRV, ERRerror); 1228 sdrc = SDRC_ERROR; 1229 break; 1230 1231 default: 1232 smbsr_error(sr, NT_STATUS_NOT_IMPLEMENTED, 1233 ERRDOS, ERROR_INVALID_FUNCTION); 1234 sdrc = SDRC_NOT_IMPLEMENTED; 1235 break; 1236 } 1237 1238 return (sdrc); 1239 } 1240 1241 /* 1242 * smb_dispatch_kstat_update 1243 * 1244 * This callback function updates the smb_dispatch_kstat_data when kstat 1245 * command is invoked. 1246 */ 1247 static int 1248 smb_dispatch_kstat_update(kstat_t *ksp, int rw) 1249 { 1250 smb_dispatch_table_t *sdd; 1251 kstat_named_t *ks_named; 1252 int i; 1253 1254 if (rw == KSTAT_WRITE) 1255 return (EACCES); 1256 1257 ASSERT(MUTEX_HELD(ksp->ks_lock)); 1258 1259 ks_named = ksp->ks_data; 1260 for (i = 0; i < SMB_COM_NUM; i++) { 1261 sdd = &dispatch[i]; 1262 1263 if (sdd->sdt_function != smb_com_invalid) { 1264 bcopy(&sdd->sdt_dispatch_stats, ks_named, 1265 sizeof (kstat_named_t)); 1266 ++ks_named; 1267 } 1268 } 1269 1270 return (0); 1271 } 1272 1273 /* 1274 * smb_dispatch_kstat_init 1275 * 1276 * Initialize dispatch kstats. 1277 */ 1278 void 1279 smb_dispatch_kstat_init(void) 1280 { 1281 int ks_ndata; 1282 int i; 1283 1284 for (i = 0, ks_ndata = 0; i < SMB_COM_NUM; i++) { 1285 if (dispatch[i].sdt_function != smb_com_invalid) 1286 ks_ndata++; 1287 } 1288 1289 smb_dispatch_ksp = kstat_create(SMBSRV_KSTAT_MODULE, 0, 1290 SMBSRV_KSTAT_NAME_CMDS, SMBSRV_KSTAT_CLASS, 1291 KSTAT_TYPE_NAMED, ks_ndata, 0); 1292 1293 if (smb_dispatch_ksp) { 1294 mutex_init(&smb_dispatch_ksmtx, NULL, MUTEX_DEFAULT, NULL); 1295 smb_dispatch_ksp->ks_update = smb_dispatch_kstat_update; 1296 smb_dispatch_ksp->ks_lock = &smb_dispatch_ksmtx; 1297 kstat_install(smb_dispatch_ksp); 1298 } 1299 } 1300 1301 /* 1302 * smb_dispatch_kstat_fini 1303 * 1304 * Remove dispatch kstats. 1305 */ 1306 void 1307 smb_dispatch_kstat_fini(void) 1308 { 1309 if (smb_dispatch_ksp != NULL) { 1310 kstat_delete(smb_dispatch_ksp); 1311 mutex_destroy(&smb_dispatch_ksmtx); 1312 smb_dispatch_ksp = NULL; 1313 } 1314 } 1315