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 #pragma ident "@(#)smb_dispatch.c 1.7 08/08/07 SMI" 30 31 /* 32 * ALMOST EVERYTHING YOU NEED TO KNOW ABOUT A SERVER MESSAGE BLOCK 33 * 34 * Request 35 * Header 36 * Magic 0xFF 'S' 'M' 'B' 37 * smb_com a byte, the "first" command 38 * Error a 4-byte union, ignored in a request 39 * smb_flg a one byte set of eight flags 40 * smb_flg2 a two byte set of 16 flags 41 * . twelve reserved bytes, have a role 42 * in connectionless transports (IPX, UDP?) 43 * smb_tid a 16-bit tree ID, a mount point sorta, 44 * 0xFFFF is this command does not have 45 * or require a tree context 46 * smb_pid a 16-bit process ID 47 * smb_uid a 16-bit user ID, specific to this "session" 48 * and mapped to a system (bona-fide) UID 49 * smb_mid a 16-bit multiplex ID, used to differentiate 50 * multiple simultaneous requests from the same 51 * process (pid) (ref RPC "xid") 52 * 53 * Chained (AndX) commands (0 or more) 54 * smb_wct a byte, number of 16-bit words containing 55 * command parameters, min 2 for chained command 56 * andx_com a byte, the "next" command, 0xFF for none 57 * . an unused byte 58 * andx_off a 16-bit offset, byte displacement from &Magic 59 * to the smb_wct field of the "next" command, 60 * ignore if andx_com is 0xFF, s/b 0 if no next 61 * smb_vwv[] 0 or more 16-bit (sorta) parameters for 62 * "this" command (i.e. smb_com if this is the 63 * first parameters, or the andx_com of the just 64 * previous block. 65 * smb_bcc a 16-bit count of smb_data[] bytes 66 * smb_data[] 0 or more bytes, format specific to commands 67 * padding[] Optional padding 68 * 69 * Last command 70 * smb_wct a byte, number of 16-bit words containing 71 * command parameters, min 0 for chained command 72 * smb_vwv[] 0 or more 16-bit (sorta) parameters for 73 * "this" command (i.e. smb_com if this is the 74 * first parameters, or the andx_com of the just 75 * previous block. 76 * smb_bcc a 16-bit count of smb_data[] bytes 77 * smb_data[] 0 or more bytes, format specific to commands 78 * 79 * Reply 80 * Header 81 * Magic 0xFF 'S' 'M' 'B' 82 * smb_com a byte, the "first" command, corresponds 83 * to request 84 * Error a 4-byte union, coding depends on dialect in use 85 * for "DOS" errors 86 * a byte for error class 87 * an unused byte 88 * a 16-bit word for error code 89 * for "NT" errors 90 * a 32-bit error code which 91 * is a packed class and specifier 92 * for "OS/2" errors 93 * I don't know 94 * The error information is specific to the 95 * last command in the reply chain. 96 * smb_flg a one byte set of eight flags, 0x80 bit set 97 * indicating this message is a reply 98 * smb_flg2 a two byte set of 16 flags 99 * . twelve reserved bytes, have a role 100 * in connectionless transports (IPX, UDP?) 101 * smb_tid a 16-bit tree ID, a mount point sorta, 102 * should be the same as the request 103 * smb_pid a 16-bit process ID, MUST BE the same as request 104 * smb_uid a 16-bit user ID, specific to this "session" 105 * and mapped to a system (bona-fide) UID, 106 * should be the same as request 107 * smb_mid a 16-bit multiplex ID, used to differentiate 108 * multiple simultaneous requests from the same 109 * process (pid) (ref RPC "xid"), MUST BE the 110 * same as request 111 * padding[] Optional padding 112 * 113 * Chained (AndX) commands (0 or more) 114 * smb_wct a byte, number of 16-bit words containing 115 * command parameters, min 2 for chained command, 116 * andx_com a byte, the "next" command, 0xFF for none, 117 * corresponds to request, if this is the chained 118 * command that had an error set to 0xFF 119 * . an unused byte 120 * andx_off a 16-bit offset, byte displacement from &Magic 121 * to the smb_wct field of the "next" command, 122 * ignore if andx_com is 0xFF, s/b 0 if no next 123 * smb_vwv[] 0 or more 16-bit (sorta) parameters for 124 * "this" command (i.e. smb_com if this is the 125 * first parameters, or the andx_com of the just 126 * previous block. Empty if an error. 127 * smb_bcc a 16-bit count of smb_data[] bytes 128 * smb_data[] 0 or more bytes, format specific to commands 129 * empty if an error. 130 * 131 * Last command 132 * smb_wct a byte, number of 16-bit words containing 133 * command parameters, min 0 for chained command 134 * smb_vwv[] 0 or more 16-bit (sorta) parameters for 135 * "this" command (i.e. smb_com if this is the 136 * first parameters, or the andx_com of the just 137 * previous block, empty if an error. 138 * smb_bcc a 16-bit count of smb_data[] bytes 139 * smb_data[] 0 or more bytes, format specific to commands, 140 * empty if an error. 141 */ 142 143 #include <smbsrv/smb_incl.h> 144 #include <smbsrv/smb_kstat.h> 145 #include <sys/sdt.h> 146 147 #define SMB_ALL_DISPATCH_STAT_INCR(stat) atomic_inc_64(&stat); 148 #define SMB_COM_NUM 256 149 150 static kstat_t *smb_dispatch_ksp = NULL; 151 static kmutex_t smb_dispatch_ksmtx; 152 153 static int is_andx_com(unsigned char); 154 static int smbsr_check_result(struct smb_request *, int, int); 155 156 static smb_dispatch_table_t dispatch[SMB_COM_NUM] = { 157 { SMB_SDT_OPS(create_directory), /* 0x00 000 */ 158 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 159 { "SmbCreateDirectory", KSTAT_DATA_UINT64 } }, 160 { SMB_SDT_OPS(delete_directory), /* 0x01 001 */ 161 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 162 { "SmbDeleteDirectory", KSTAT_DATA_UINT64 } }, 163 { SMB_SDT_OPS(open), /* 0x02 002 */ 164 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 165 { "SmbOpen", KSTAT_DATA_UINT64 } }, 166 { SMB_SDT_OPS(create), /* 0x03 003 */ 167 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 168 { "SmbCreate", KSTAT_DATA_UINT64 } }, 169 { SMB_SDT_OPS(close), /* 0x04 004 */ 170 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 171 { "SmbClose", KSTAT_DATA_UINT64 } }, 172 { SMB_SDT_OPS(flush), /* 0x05 005 */ 173 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 174 { "SmbFlush", KSTAT_DATA_UINT64 } }, 175 { SMB_SDT_OPS(delete), /* 0x06 006 */ 176 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 177 { "SmbDelete", KSTAT_DATA_UINT64 } }, 178 { SMB_SDT_OPS(rename), /* 0x07 007 */ 179 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 180 { "SmbRename", KSTAT_DATA_UINT64 } }, 181 { SMB_SDT_OPS(query_information), /* 0x08 008 */ 182 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 183 { "SmbQueryInformation", KSTAT_DATA_UINT64 } }, 184 { SMB_SDT_OPS(set_information), /* 0x09 009 */ 185 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 186 { "SmbSetInformation", KSTAT_DATA_UINT64 } }, 187 { SMB_SDT_OPS(read), /* 0x0A 010 */ 188 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 189 { "SmbRead", KSTAT_DATA_UINT64 } }, 190 { SMB_SDT_OPS(write), /* 0x0B 011 */ 191 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 192 { "SmbWrite", KSTAT_DATA_UINT64 } }, 193 { SMB_SDT_OPS(lock_byte_range), /* 0x0C 012 */ 194 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 195 { "SmbLockByteRange", KSTAT_DATA_UINT64 } }, 196 { SMB_SDT_OPS(unlock_byte_range), /* 0x0D 013 */ 197 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 198 { "SmbUnlockByteRange", KSTAT_DATA_UINT64 } }, 199 { SMB_SDT_OPS(create_temporary), /* 0x0E 014 */ 200 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 201 { "SmbCreateTemporary", KSTAT_DATA_UINT64 } }, 202 { SMB_SDT_OPS(create_new), /* 0x0F 015 */ 203 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 204 { "SmbCreateNew", KSTAT_DATA_UINT64 } }, 205 { SMB_SDT_OPS(check_directory), /* 0x10 016 */ 206 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 207 { "SmbCheckDirectory", KSTAT_DATA_UINT64 } }, 208 { SMB_SDT_OPS(process_exit), /* 0x11 017 */ 209 PC_NETWORK_PROGRAM_1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, 210 RW_READER, 211 { "SmbProcessExit", KSTAT_DATA_UINT64 } }, 212 { SMB_SDT_OPS(seek), /* 0x12 018 */ 213 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 214 { "SmbSeek", KSTAT_DATA_UINT64 } }, 215 { SMB_SDT_OPS(lock_and_read), /* 0x13 019 */ 216 LANMAN1_0, 0, RW_READER, 217 { "SmbLockAndRead", KSTAT_DATA_UINT64 } }, 218 { SMB_SDT_OPS(write_and_unlock), /* 0x14 020 */ 219 LANMAN1_0, 0, RW_READER, 220 { "SmbWriteAndUnlock", KSTAT_DATA_UINT64 } }, 221 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x15 021 */ 222 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x16 022 */ 223 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x17 023 */ 224 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x18 024 */ 225 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x19 025 */ 226 { SMB_SDT_OPS(read_raw), /* 0x1A 026 */ 227 LANMAN1_0, 0, RW_WRITER, 228 { "SmbReadRaw", KSTAT_DATA_UINT64 } }, 229 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x1B 027 */ 230 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x1C 028 */ 231 { SMB_SDT_OPS(write_raw), /* 0x1D 029 */ 232 LANMAN1_0, 0, RW_WRITER, 233 { "SmbWriteRaw", KSTAT_DATA_UINT64 } }, 234 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x1E 030 */ 235 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x1F 031 */ 236 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x20 032 */ 237 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x21 033 */ 238 { SMB_SDT_OPS(set_information2), /* 0x22 034 */ 239 LANMAN1_0, 0, RW_READER, 240 { "SmbSetInformation2", KSTAT_DATA_UINT64 } }, 241 { SMB_SDT_OPS(query_information2), /* 0x23 035 */ 242 LANMAN1_0, 0, RW_READER, 243 { "SmbQueryInformation2", KSTAT_DATA_UINT64 } }, 244 { SMB_SDT_OPS(locking_andx), /* 0x24 036 */ 245 LANMAN1_0, 0, RW_READER, 246 { "SmbLockingX", KSTAT_DATA_UINT64 } }, 247 { SMB_SDT_OPS(transaction), /* 0x25 037 */ 248 LANMAN1_0, 0, RW_READER, 249 { "SmbTransaction", KSTAT_DATA_UINT64 } }, 250 { SMB_SDT_OPS(transaction_secondary), /* 0x26 038 */ 251 LANMAN1_0, 0, RW_READER, 252 { "SmbTransactionSecondary", KSTAT_DATA_UINT64 } }, 253 { SMB_SDT_OPS(ioctl), /* 0x27 039 */ 254 LANMAN1_0, 0, RW_READER, 255 { "SmbIoctl", KSTAT_DATA_UINT64 } }, 256 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x28 040 */ 257 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x29 041 */ 258 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x2A 042 */ 259 { SMB_SDT_OPS(echo), /* 0x2B 043 */ 260 LANMAN1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, 261 RW_READER, 262 { "SmbEcho", KSTAT_DATA_UINT64 } }, 263 { SMB_SDT_OPS(write_and_close), /* 0x2C 044 */ 264 LANMAN1_0, 0, RW_READER, 265 { "SmbWriteAndClose", KSTAT_DATA_UINT64 } }, 266 { SMB_SDT_OPS(open_andx), /* 0x2D 045 */ 267 LANMAN1_0, 0, RW_READER, 268 { "SmbOpenX", KSTAT_DATA_UINT64 } }, 269 { SMB_SDT_OPS(read_andx), /* 0x2E 046 */ 270 LANMAN1_0, 0, RW_READER, 271 { "SmbReadX", KSTAT_DATA_UINT64 } }, 272 { SMB_SDT_OPS(write_andx), /* 0x2F 047 */ 273 LANMAN1_0, 0, RW_READER, 274 { "SmbWriteX", KSTAT_DATA_UINT64 } }, 275 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x30 048 */ 276 { SMB_SDT_OPS(close_and_tree_disconnect), /* 0x31 049 */ 277 LANMAN1_0, 0, RW_READER, 278 { "SmbCloseAndTreeDisconnect", KSTAT_DATA_UINT64 } }, 279 { SMB_SDT_OPS(transaction2), /* 0x32 050 */ 280 LM1_2X002, 0, RW_READER, 281 { "SmbTransaction2", KSTAT_DATA_UINT64 } }, 282 { SMB_SDT_OPS(transaction2_secondary), /* 0x33 051 */ 283 LM1_2X002, 0, RW_READER, 284 { "SmbTransaction2Secondary", KSTAT_DATA_UINT64 } }, 285 { SMB_SDT_OPS(find_close2), /* 0x34 052 */ 286 LM1_2X002, 0, RW_READER, 287 { "SmbFindClose2", KSTAT_DATA_UINT64 } }, 288 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x35 053 */ 289 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x36 054 */ 290 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x37 055 */ 291 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x38 056 */ 292 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x39 057 */ 293 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3A 058 */ 294 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3B 059 */ 295 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3C 060 */ 296 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3D 061 */ 297 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3E 062 */ 298 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3F 063 */ 299 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x40 064 */ 300 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x41 065 */ 301 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x42 066 */ 302 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x43 067 */ 303 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x44 068 */ 304 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x45 069 */ 305 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x46 070 */ 306 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x47 071 */ 307 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x48 072 */ 308 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x49 073 */ 309 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4A 074 */ 310 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4B 075 */ 311 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4C 076 */ 312 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4D 077 */ 313 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4E 078 */ 314 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4F 079 */ 315 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x50 080 */ 316 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x51 081 */ 317 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x52 082 */ 318 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x53 083 */ 319 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x54 084 */ 320 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x55 085 */ 321 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x56 086 */ 322 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x57 087 */ 323 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x58 088 */ 324 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x59 089 */ 325 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5A 090 */ 326 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5B 091 */ 327 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5C 092 */ 328 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5D 093 */ 329 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5E 094 */ 330 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5F 095 */ 331 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x60 096 */ 332 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x61 097 */ 333 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x62 098 */ 334 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x63 099 */ 335 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x64 100 */ 336 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x65 101 */ 337 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x66 102 */ 338 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x67 103 */ 339 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x68 104 */ 340 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x69 105 */ 341 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6A 106 */ 342 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6B 107 */ 343 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6C 108 */ 344 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6D 109 */ 345 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6E 110 */ 346 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6F 111 */ 347 { SMB_SDT_OPS(tree_connect), /* 0x70 112 */ 348 PC_NETWORK_PROGRAM_1_0, SDDF_SUPPRESS_TID, RW_READER, 349 { "SmbTreeConnect", KSTAT_DATA_UINT64 } }, 350 { SMB_SDT_OPS(tree_disconnect), /* 0x71 113 */ 351 PC_NETWORK_PROGRAM_1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, 352 RW_READER, 353 { "SmbTreeDisconnect", KSTAT_DATA_UINT64 } }, 354 { SMB_SDT_OPS(negotiate), /* 0x72 114 */ 355 PC_NETWORK_PROGRAM_1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, 356 RW_WRITER, 357 { "SmbNegotiate", KSTAT_DATA_UINT64 } }, 358 { SMB_SDT_OPS(session_setup_andx), /* 0x73 115 */ 359 LANMAN1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, 360 RW_READER, 361 { "SmbSessionSetupX", KSTAT_DATA_UINT64 } }, 362 { SMB_SDT_OPS(logoff_andx), /* 0x74 116 */ 363 LM1_2X002, SDDF_SUPPRESS_TID, RW_READER, 364 { "SmbLogoffX", KSTAT_DATA_UINT64 } }, 365 { SMB_SDT_OPS(tree_connect_andx), /* 0x75 117 */ 366 LANMAN1_0, SDDF_SUPPRESS_TID, RW_READER, 367 { "SmbTreeConnectX", KSTAT_DATA_UINT64 } }, 368 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x76 118 */ 369 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x77 119 */ 370 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x78 120 */ 371 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x79 121 */ 372 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7A 122 */ 373 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7B 123 */ 374 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7C 124 */ 375 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7D 125 */ 376 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7E 126 */ 377 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7F 127 */ 378 { SMB_SDT_OPS(query_information_disk), /* 0x80 128 */ 379 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 380 { "SmbQueryInformationDisk", KSTAT_DATA_UINT64 } }, 381 { SMB_SDT_OPS(search), /* 0x81 129 */ 382 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 383 { "SmbSearch", KSTAT_DATA_UINT64 } }, 384 { SMB_SDT_OPS(find), /* 0x82 130 */ 385 LANMAN1_0, 0, RW_READER, 386 { "SmbFind", KSTAT_DATA_UINT64 } }, 387 { SMB_SDT_OPS(find_unique), /* 0x83 131 */ 388 LANMAN1_0, 0, RW_READER, 389 { "SmbFindUnique", KSTAT_DATA_UINT64 } }, 390 { SMB_SDT_OPS(find_close), /* 0x84 132 */ 391 LANMAN1_0, 0, RW_READER, 392 { "SmbFindClose", KSTAT_DATA_UINT64 } }, 393 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x85 133 */ 394 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x86 134 */ 395 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x87 135 */ 396 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x88 136 */ 397 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x89 137 */ 398 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8A 138 */ 399 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8B 139 */ 400 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8C 140 */ 401 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8D 141 */ 402 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8E 142 */ 403 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8F 143 */ 404 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x90 144 */ 405 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x91 145 */ 406 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x92 146 */ 407 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x93 147 */ 408 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x94 148 */ 409 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x95 149 */ 410 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x96 150 */ 411 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x97 151 */ 412 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x98 152 */ 413 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x99 153 */ 414 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9A 154 */ 415 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9B 155 */ 416 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9C 156 */ 417 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9D 157 */ 418 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9E 158 */ 419 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9F 159 */ 420 { SMB_SDT_OPS(nt_transact), /* 0xA0 160 */ 421 NT_LM_0_12, 0, RW_READER, 422 { "SmbNtTransact", KSTAT_DATA_UINT64 } }, 423 { SMB_SDT_OPS(nt_transact_secondary), /* 0xA1 161 */ 424 NT_LM_0_12, 0, RW_READER, 425 { "SmbNtTransactSecondary", KSTAT_DATA_UINT64 } }, 426 { SMB_SDT_OPS(nt_create_andx), /* 0xA2 162 */ 427 NT_LM_0_12, 0, RW_READER, 428 { "SmbNtCreateX", KSTAT_DATA_UINT64 } }, 429 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA3 163 */ 430 { SMB_SDT_OPS(nt_cancel), /* 0xA4 164 */ 431 NT_LM_0_12, 0, RW_READER, 432 { "SmbNtCancel", KSTAT_DATA_UINT64 } }, 433 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA5 165 */ 434 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA6 166 */ 435 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA7 167 */ 436 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA8 168 */ 437 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA9 169 */ 438 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAA 170 */ 439 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAB 171 */ 440 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAC 172 */ 441 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAD 173 */ 442 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAE 174 */ 443 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAF 175 */ 444 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB0 176 */ 445 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB1 177 */ 446 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB2 178 */ 447 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB3 179 */ 448 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB4 180 */ 449 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB5 181 */ 450 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB6 182 */ 451 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB7 183 */ 452 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB8 184 */ 453 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB9 185 */ 454 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBA 186 */ 455 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBB 187 */ 456 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBC 188 */ 457 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBD 189 */ 458 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBE 190 */ 459 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBF 191 */ 460 { SMB_SDT_OPS(open_print_file), /* 0xC0 192 */ 461 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 462 { "SmbOpenPrintFile", KSTAT_DATA_UINT64 } }, 463 { SMB_SDT_OPS(write_print_file), /* 0xC1 193 */ 464 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 465 { "SmbWritePrintFile", KSTAT_DATA_UINT64 } }, 466 { SMB_SDT_OPS(close_print_file), /* 0xC2 194 */ 467 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 468 { "SmbClosePrintFile", KSTAT_DATA_UINT64 } }, 469 { SMB_SDT_OPS(get_print_queue), /* 0xC3 195 */ 470 PC_NETWORK_PROGRAM_1_0, 0, RW_READER, 471 { "SmbGetPrintQueue", KSTAT_DATA_UINT64 } }, 472 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC4 196 */ 473 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC5 197 */ 474 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC6 198 */ 475 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC7 199 */ 476 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC8 200 */ 477 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC9 201 */ 478 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCA 202 */ 479 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCB 203 */ 480 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCC 204 */ 481 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCD 205 */ 482 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCE 206 */ 483 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCF 207 */ 484 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD0 208 */ 485 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD1 209 */ 486 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD2 210 */ 487 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD3 211 */ 488 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD4 212 */ 489 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD5 213 */ 490 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD6 214 */ 491 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD7 215 */ 492 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD8 216 */ 493 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD9 217 */ 494 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDA 218 */ 495 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDB 219 */ 496 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDC 220 */ 497 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDD 221 */ 498 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDE 222 */ 499 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDF 223 */ 500 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE0 224 */ 501 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE1 225 */ 502 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE2 226 */ 503 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE3 227 */ 504 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE4 228 */ 505 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE5 229 */ 506 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE6 230 */ 507 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE7 231 */ 508 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE8 232 */ 509 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE9 233 */ 510 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xEA 234 */ 511 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xEB 235 */ 512 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xEC 236 */ 513 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xED 237 */ 514 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xEE 238 */ 515 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xEF 239 */ 516 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF0 240 */ 517 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF1 241 */ 518 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF2 242 */ 519 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF3 243 */ 520 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF4 244 */ 521 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF5 245 */ 522 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF6 246 */ 523 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF7 247 */ 524 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF8 248 */ 525 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF9 249 */ 526 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xFA 250 */ 527 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xFB 251 */ 528 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xFC 252 */ 529 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xFD 253 */ 530 { SMB_SDT_OPS(invalid), LANMAN1_0, 0, RW_READER, /* 0xFE 254 */ 531 { "SmbInvalidCommand", KSTAT_DATA_UINT64 } }, 532 { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 } /* 0xFF 255 */ 533 }; 534 535 /* 536 * smbsr_cleanup 537 * 538 * If any user/tree/file is used by given request then 539 * the reference count for that resource has been incremented. 540 * This function decrements the reference count and close 541 * the resource if it's needed. 542 */ 543 544 void 545 smbsr_cleanup(smb_request_t *sr) 546 { 547 ASSERT((sr->sr_state != SMB_REQ_STATE_CLEANED_UP) && 548 (sr->sr_state != SMB_REQ_STATE_COMPLETED)); 549 550 if (sr->fid_ofile) 551 smbsr_disconnect_file(sr); 552 553 if (sr->sid_odir) 554 smbsr_disconnect_dir(sr); 555 556 if (sr->r_xa) { 557 if (sr->r_xa->xa_flags & SMB_XA_FLAG_COMPLETE) 558 smb_xa_close(sr->r_xa); 559 smb_xa_rele(sr->session, sr->r_xa); 560 sr->r_xa = NULL; 561 } 562 563 /* 564 * Mark this request so we know that we've already cleaned it up. 565 * A request should only get cleaned up once so multiple calls to 566 * smbsr_cleanup for the same request indicate a bug. 567 */ 568 mutex_enter(&sr->sr_mutex); 569 if (sr->sr_state != SMB_REQ_STATE_CANCELED) 570 sr->sr_state = SMB_REQ_STATE_CLEANED_UP; 571 mutex_exit(&sr->sr_mutex); 572 } 573 574 void 575 smb_dispatch_request(struct smb_request *sr) 576 { 577 smb_sdrc_t sdrc; 578 smb_dispatch_table_t *sdd; 579 boolean_t disconnect = B_FALSE; 580 581 ASSERT(sr->tid_tree == 0); 582 ASSERT(sr->uid_user == 0); 583 ASSERT(sr->fid_ofile == 0); 584 ASSERT(sr->sid_odir == 0); 585 sr->smb_fid = (uint16_t)-1; 586 sr->smb_sid = (uint16_t)-1; 587 588 /* temporary until we identify a user */ 589 sr->user_cr = kcred; 590 sr->orig_request_hdr = sr->command.chain_offset; 591 592 /* If this connection is shutting down just kill request */ 593 if (smb_mbc_decodef(&sr->command, SMB_HEADER_ED_FMT, 594 &sr->smb_com, 595 &sr->smb_rcls, 596 &sr->smb_reh, 597 &sr->smb_err, 598 &sr->smb_flg, 599 &sr->smb_flg2, 600 &sr->smb_pid_high, 601 sr->smb_sig, 602 &sr->smb_tid, 603 &sr->smb_pid, 604 &sr->smb_uid, 605 &sr->smb_mid) != 0) { 606 disconnect = B_TRUE; 607 goto drop_connection; 608 } 609 610 /* 611 * The reply "header" is filled in now even though it will, 612 * most likely, be rewritten under reply_ready below. We 613 * could reserve the space but this is convenient in case 614 * the dialect dispatcher has to send a special reply (like 615 * TRANSACT). 616 * 617 * Ensure that the 32-bit error code flag is turned off. 618 * Clients seem to set it in transact requests and they may 619 * get confused if we return success or a 16-bit SMB code. 620 */ 621 sr->smb_rcls = 0; 622 sr->smb_reh = 0; 623 sr->smb_err = 0; 624 sr->smb_flg2 &= ~SMB_FLAGS2_NT_STATUS; 625 626 (void) smb_mbc_encodef(&sr->reply, SMB_HEADER_ED_FMT, 627 sr->smb_com, 628 sr->smb_rcls, 629 sr->smb_reh, 630 sr->smb_err, 631 sr->smb_flg, 632 sr->smb_flg2, 633 sr->smb_pid_high, 634 sr->smb_sig, 635 sr->smb_tid, 636 sr->smb_pid, 637 sr->smb_uid, 638 sr->smb_mid); 639 sr->first_smb_com = sr->smb_com; 640 641 /* 642 * Verify SMB signature if signing is enabled, dialect is NT LM 0.12, 643 * signing was negotiated and authentication has occurred. 644 */ 645 if (sr->session->signing.flags & SMB_SIGNING_ENABLED) { 646 if (smb_sign_check_request(sr) != 0) { 647 smbsr_error(sr, NT_STATUS_ACCESS_DENIED, 648 ERRDOS, ERROR_ACCESS_DENIED); 649 disconnect = B_TRUE; 650 smb_rwx_rwenter(&sr->session->s_lock, RW_READER); 651 goto report_error; 652 } 653 } 654 655 andx_more: 656 sdd = &dispatch[sr->smb_com]; 657 ASSERT(sdd->sdt_function); 658 659 smb_rwx_rwenter(&sr->session->s_lock, sdd->sdt_slock_mode); 660 661 if (smb_mbc_decodef(&sr->command, "b", &sr->smb_wct) != 0) { 662 disconnect = B_TRUE; 663 goto report_error; 664 } 665 666 (void) MBC_SHADOW_CHAIN(&sr->smb_vwv, &sr->command, 667 sr->command.chain_offset, sr->smb_wct * 2); 668 669 if (smb_mbc_decodef(&sr->command, "#.w", sr->smb_wct*2, &sr->smb_bcc)) { 670 disconnect = B_TRUE; 671 goto report_error; 672 } 673 674 (void) MBC_SHADOW_CHAIN(&sr->smb_data, &sr->command, 675 sr->command.chain_offset, sr->smb_bcc); 676 677 sr->command.chain_offset += sr->smb_bcc; 678 if (sr->command.chain_offset > sr->command.max_bytes) { 679 disconnect = B_TRUE; 680 goto report_error; 681 } 682 683 /* Store pointers for later */ 684 sr->cur_reply_offset = sr->reply.chain_offset; 685 686 if (is_andx_com(sr->smb_com)) { 687 /* Peek ahead and don't disturb vwv */ 688 if (smb_mbc_peek(&sr->smb_vwv, sr->smb_vwv.chain_offset, "b.w", 689 &sr->andx_com, &sr->andx_off) < 0) { 690 disconnect = B_TRUE; 691 goto report_error; 692 } 693 } else { 694 sr->andx_com = (unsigned char)-1; 695 } 696 697 mutex_enter(&sr->sr_mutex); 698 switch (sr->sr_state) { 699 case SMB_REQ_STATE_SUBMITTED: 700 case SMB_REQ_STATE_CLEANED_UP: 701 sr->sr_state = SMB_REQ_STATE_ACTIVE; 702 break; 703 case SMB_REQ_STATE_CANCELED: 704 break; 705 default: 706 ASSERT(0); 707 break; 708 } 709 mutex_exit(&sr->sr_mutex); 710 711 /* 712 * Setup UID and TID information (if required). Both functions 713 * will set the sr credentials. In domain mode, the user and 714 * tree credentials should be the same. In share mode, the 715 * tree credentials (defined in the share definition) should 716 * override the user credentials. 717 */ 718 if (!(sdd->sdt_flags & SDDF_SUPPRESS_UID) && (sr->uid_user == NULL)) { 719 sr->uid_user = smb_user_lookup_by_uid(sr->session, 720 &sr->user_cr, sr->smb_uid); 721 if (sr->uid_user == NULL) { 722 smbsr_error(sr, 0, ERRSRV, ERRbaduid); 723 smbsr_cleanup(sr); 724 goto report_error; 725 } 726 727 if (!(sdd->sdt_flags & SDDF_SUPPRESS_TID) && 728 (sr->tid_tree == NULL)) { 729 sr->tid_tree = smb_user_lookup_tree( 730 sr->uid_user, sr->smb_tid); 731 if (sr->tid_tree == NULL) { 732 smbsr_error(sr, 0, ERRSRV, ERRinvnid); 733 smbsr_cleanup(sr); 734 goto report_error; 735 } 736 } 737 } 738 739 /* 740 * If the command is not a read raw request we can set the 741 * state of the session back to SMB_SESSION_STATE_NEGOTIATED 742 * (if the current state is SMB_SESSION_STATE_OPLOCK_BREAKING). 743 * Otherwise we let the read raw handler to deal with it. 744 */ 745 if ((sr->session->s_state == SMB_SESSION_STATE_OPLOCK_BREAKING) && 746 (sr->smb_com != SMB_COM_READ_RAW)) { 747 krw_t mode; 748 /* 749 * The lock may have to be upgraded because, at this 750 * point, we don't know how it was entered. We just 751 * know that it has to be entered in writer mode here. 752 * Whatever mode was used to enter the lock, it will 753 * be restored. 754 */ 755 mode = smb_rwx_rwupgrade(&sr->session->s_lock); 756 if (sr->session->s_state == SMB_SESSION_STATE_OPLOCK_BREAKING) 757 sr->session->s_state = SMB_SESSION_STATE_NEGOTIATED; 758 759 smb_rwx_rwdowngrade(&sr->session->s_lock, mode); 760 } 761 762 /* 763 * Increment method invocation count. This value is exposed 764 * via kstats, and it represents a count of all the dispatched 765 * requests, including the ones that have a return value, other 766 * than SDRC_SUCCESS. 767 */ 768 SMB_ALL_DISPATCH_STAT_INCR(sdd->sdt_dispatch_stats.value.ui64); 769 770 if ((sdrc = (*sdd->sdt_pre_op)(sr)) == SDRC_SUCCESS) 771 sdrc = (*sdd->sdt_function)(sr); 772 773 if (sdrc != SDRC_SUCCESS) { 774 /* 775 * Handle errors from raw write. 776 */ 777 if (sr->session->s_state == 778 SMB_SESSION_STATE_WRITE_RAW_ACTIVE) { 779 /* 780 * Set state so that the netbios session 781 * daemon will start accepting data again. 782 */ 783 sr->session->s_write_raw_status = 0; 784 sr->session->s_state = SMB_SESSION_STATE_NEGOTIATED; 785 } 786 } 787 788 (*sdd->sdt_post_op)(sr); 789 790 /* 791 * Only call smbsr_cleanup if smb->sr_keep is not set. 792 * smb_nt_transact_notify_change will set smb->sr_keep if it 793 * retains control of the request when it returns. In that 794 * case the notify change code will call smbsr_cleanup later 795 * when the request has completed. 796 */ 797 if (sr->sr_keep == 0) 798 smbsr_cleanup(sr); 799 800 switch (sdrc) { 801 case SDRC_SUCCESS: 802 break; 803 804 case SDRC_DROP_VC: 805 disconnect = B_TRUE; 806 goto drop_connection; 807 808 case SDRC_NO_REPLY: 809 smb_rwx_rwexit(&sr->session->s_lock); 810 return; 811 812 case SDRC_ERROR: 813 goto report_error; 814 815 case SDRC_NOT_IMPLEMENTED: 816 default: 817 smbsr_error(sr, 0, ERRDOS, ERRbadfunc); 818 goto report_error; 819 } 820 821 /* 822 * If there's no AndX command, we're done. 823 */ 824 if (sr->andx_com == 0xff) 825 goto reply_ready; 826 827 /* 828 * Otherwise, we have to back-patch the AndXCommand and AndXOffset 829 * and continue processing. 830 */ 831 sr->andx_prev_wct = sr->cur_reply_offset; 832 (void) smb_mbc_poke(&sr->reply, sr->andx_prev_wct + 1, "b.w", 833 sr->andx_com, MBC_LENGTH(&sr->reply)); 834 835 smb_rwx_rwexit(&sr->session->s_lock); 836 837 sr->command.chain_offset = sr->orig_request_hdr + sr->andx_off; 838 sr->smb_com = sr->andx_com; 839 goto andx_more; 840 841 report_error: 842 sr->reply.chain_offset = sr->cur_reply_offset; 843 (void) smb_mbc_encodef(&sr->reply, "bw", 0, 0); 844 845 sr->smb_wct = 0; 846 sr->smb_bcc = 0; 847 848 if (sr->smb_rcls == 0 && sr->smb_reh == 0 && sr->smb_err == 0) 849 smbsr_error(sr, 0, ERRSRV, ERRerror); 850 851 reply_ready: 852 smbsr_send_reply(sr); 853 854 drop_connection: 855 if (disconnect) { 856 switch (sr->session->s_state) { 857 case SMB_SESSION_STATE_DISCONNECTED: 858 case SMB_SESSION_STATE_TERMINATED: 859 break; 860 default: 861 smb_soshutdown(sr->session->sock); 862 sr->session->s_state = SMB_SESSION_STATE_DISCONNECTED; 863 break; 864 } 865 } 866 867 smb_rwx_rwexit(&sr->session->s_lock); 868 } 869 870 int 871 smbsr_encode_empty_result(struct smb_request *sr) 872 { 873 return (smbsr_encode_result(sr, 0, 0, "bw", 0, 0)); 874 } 875 876 int 877 smbsr_encode_result(struct smb_request *sr, int wct, int bcc, char *fmt, ...) 878 { 879 va_list ap; 880 881 if (MBC_LENGTH(&sr->reply) != sr->cur_reply_offset) 882 return (-1); 883 884 va_start(ap, fmt); 885 (void) smb_mbc_vencodef(&sr->reply, fmt, ap); 886 va_end(ap); 887 888 sr->smb_wct = (unsigned char)wct; 889 sr->smb_bcc = (uint16_t)bcc; 890 891 if (smbsr_check_result(sr, wct, bcc) != 0) 892 return (-1); 893 894 return (0); 895 } 896 897 static int 898 smbsr_check_result(struct smb_request *sr, int wct, int bcc) 899 { 900 int offset = sr->cur_reply_offset; 901 int total_bytes; 902 unsigned char temp, temp1; 903 struct mbuf *m; 904 905 total_bytes = 0; 906 m = sr->reply.chain; 907 while (m != 0) { 908 total_bytes += m->m_len; 909 m = m->m_next; 910 } 911 912 if ((offset + 3) > total_bytes) 913 return (-1); 914 915 (void) smb_mbc_peek(&sr->reply, offset, "b", &temp); 916 if (temp != wct) 917 return (-1); 918 919 if ((offset + (wct * 2 + 1)) > total_bytes) 920 return (-1); 921 922 /* reply wct & vwv seem ok, consider data now */ 923 offset += wct * 2 + 1; 924 925 if ((offset + 2) > total_bytes) 926 return (-1); 927 928 (void) smb_mbc_peek(&sr->reply, offset, "bb", &temp, &temp1); 929 if (bcc == VAR_BCC) { 930 if ((temp != 0xFF) || (temp1 != 0xFF)) { 931 return (-1); 932 } else { 933 bcc = (total_bytes - offset) - 2; 934 (void) smb_mbc_poke(&sr->reply, offset, "bb", 935 bcc, bcc >> 8); 936 } 937 } else { 938 if ((temp != (bcc&0xFF)) || (temp1 != ((bcc>>8)&0xFF))) 939 return (-1); 940 } 941 942 offset += bcc + 2; 943 944 if (offset != total_bytes) 945 return (-1); 946 947 sr->smb_wct = (unsigned char)wct; 948 sr->smb_bcc = (uint16_t)bcc; 949 return (0); 950 } 951 952 int 953 smbsr_decode_vwv(struct smb_request *sr, char *fmt, ...) 954 { 955 int rc; 956 va_list ap; 957 958 va_start(ap, fmt); 959 rc = smb_mbc_vdecodef(&sr->smb_vwv, fmt, ap); 960 va_end(ap); 961 962 if (rc) 963 smbsr_error(sr, 0, ERRSRV, ERRerror); 964 return (rc); 965 } 966 967 int 968 smbsr_decode_data(struct smb_request *sr, char *fmt, ...) 969 { 970 int rc; 971 va_list ap; 972 973 va_start(ap, fmt); 974 rc = smb_mbc_vdecodef(&sr->smb_data, fmt, ap); 975 va_end(ap); 976 977 if (rc) 978 smbsr_error(sr, 0, ERRSRV, ERRerror); 979 return (rc); 980 } 981 982 void 983 smbsr_send_reply(struct smb_request *sr) 984 { 985 if (SMB_TREE_IS_CASEINSENSITIVE(sr)) 986 sr->smb_flg |= SMB_FLAGS_CASE_INSENSITIVE; 987 else 988 sr->smb_flg &= ~SMB_FLAGS_CASE_INSENSITIVE; 989 990 (void) smb_mbc_poke(&sr->reply, 0, SMB_HEADER_ED_FMT, 991 sr->first_smb_com, 992 sr->smb_rcls, 993 sr->smb_reh, 994 sr->smb_err, 995 sr->smb_flg | SMB_FLAGS_REPLY, 996 sr->smb_flg2, 997 sr->smb_pid_high, 998 sr->smb_sig, 999 sr->smb_tid, 1000 sr->smb_pid, 1001 sr->smb_uid, 1002 sr->smb_mid); 1003 1004 if (sr->session->signing.flags & SMB_SIGNING_ENABLED) 1005 smb_sign_reply(sr, NULL); 1006 1007 if (smb_session_send(sr->session, 0, &sr->reply) == 0) 1008 sr->reply.chain = 0; 1009 } 1010 1011 /* 1012 * Map errno values to SMB and NT status values. 1013 * Note: ESRCH is a special case to handle a streams lookup failure. 1014 */ 1015 static struct { 1016 int errnum; 1017 int errcls; 1018 int errcode; 1019 DWORD status32; 1020 } smb_errno_map[] = { 1021 { ENOSPC, ERRDOS, ERROR_DISK_FULL, NT_STATUS_DISK_FULL }, 1022 { EDQUOT, ERRDOS, ERROR_DISK_FULL, NT_STATUS_DISK_FULL }, 1023 { EPERM, ERRSRV, ERRaccess, NT_STATUS_ACCESS_DENIED }, 1024 { ENOTDIR, ERRDOS, ERRbadpath, NT_STATUS_OBJECT_PATH_NOT_FOUND }, 1025 { EISDIR, ERRDOS, ERRbadpath, NT_STATUS_FILE_IS_A_DIRECTORY }, 1026 { ENOENT, ERRDOS, ERRbadfile, NT_STATUS_NO_SUCH_FILE }, 1027 { ENOTEMPTY, ERRDOS, ERROR_DIR_NOT_EMPTY, 1028 NT_STATUS_DIRECTORY_NOT_EMPTY }, 1029 { EACCES, ERRDOS, ERRnoaccess, NT_STATUS_ACCESS_DENIED }, 1030 { ENOMEM, ERRDOS, ERRnomem, NT_STATUS_NO_MEMORY }, 1031 { EIO, ERRHRD, ERRgeneral, NT_STATUS_IO_DEVICE_ERROR }, 1032 { EXDEV, ERRSRV, ERRdiffdevice, NT_STATUS_NOT_SAME_DEVICE }, 1033 { EROFS, ERRHRD, ERRnowrite, NT_STATUS_ACCESS_DENIED }, 1034 { ESTALE, ERRDOS, ERRbadfid, NT_STATUS_INVALID_HANDLE}, 1035 { EBADF, ERRDOS, ERRbadfid, NT_STATUS_INVALID_HANDLE}, 1036 { EEXIST, ERRDOS, ERRfilexists, NT_STATUS_OBJECT_NAME_COLLISION}, 1037 { ENXIO, ERRSRV, ERRinvdevice, NT_STATUS_BAD_DEVICE_TYPE}, 1038 { ESRCH, ERRDOS, ERROR_FILE_NOT_FOUND, 1039 NT_STATUS_OBJECT_NAME_NOT_FOUND }, 1040 /* 1041 * It's not clear why smb_read_common effectively returns 1042 * ERRnoaccess if a range lock prevents access and smb_write_common 1043 * effectively returns ERRaccess. This table entry is used by 1044 * smb_read_common and preserves the behavior that was there before. 1045 */ 1046 { ERANGE, ERRDOS, ERRnoaccess, NT_STATUS_FILE_LOCK_CONFLICT } 1047 }; 1048 1049 void 1050 smbsr_map_errno(int errnum, smb_error_t *err) 1051 { 1052 int i; 1053 1054 for (i = 0; i < sizeof (smb_errno_map)/sizeof (smb_errno_map[0]); ++i) { 1055 if (smb_errno_map[i].errnum == errnum) { 1056 err->severity = ERROR_SEVERITY_ERROR; 1057 err->status = smb_errno_map[i].status32; 1058 err->errcls = smb_errno_map[i].errcls; 1059 err->errcode = smb_errno_map[i].errcode; 1060 return; 1061 } 1062 } 1063 1064 err->severity = ERROR_SEVERITY_ERROR; 1065 err->status = NT_STATUS_INTERNAL_ERROR; 1066 err->errcls = ERRDOS; 1067 err->errcode = ERROR_INTERNAL_ERROR; 1068 } 1069 1070 void 1071 smbsr_errno(struct smb_request *sr, int errnum) 1072 { 1073 smbsr_map_errno(errnum, &sr->smb_error); 1074 smbsr_set_error(sr, &sr->smb_error); 1075 } 1076 1077 /* 1078 * Report a request processing warning. 1079 */ 1080 void 1081 smbsr_warn(smb_request_t *sr, DWORD status, uint16_t errcls, uint16_t errcode) 1082 { 1083 sr->smb_error.severity = ERROR_SEVERITY_WARNING; 1084 sr->smb_error.status = status; 1085 sr->smb_error.errcls = errcls; 1086 sr->smb_error.errcode = errcode; 1087 1088 smbsr_set_error(sr, &sr->smb_error); 1089 } 1090 1091 /* 1092 * Report a request processing error. This function will not return. 1093 */ 1094 void 1095 smbsr_error(smb_request_t *sr, DWORD status, uint16_t errcls, uint16_t errcode) 1096 { 1097 sr->smb_error.severity = ERROR_SEVERITY_ERROR; 1098 sr->smb_error.status = status; 1099 sr->smb_error.errcls = errcls; 1100 sr->smb_error.errcode = errcode; 1101 1102 smbsr_set_error(sr, &sr->smb_error); 1103 } 1104 1105 /* 1106 * Setup a request processing error. This function can be used to 1107 * report 32-bit status codes or DOS errors. Set the status code 1108 * to 0 (NT_STATUS_SUCCESS) to explicitly report a DOS error, 1109 * regardless of the client capabilities. 1110 * 1111 * If status is non-zero and the client supports 32-bit status 1112 * codes, report the status. Otherwise, report the DOS error. 1113 */ 1114 void 1115 smbsr_set_error(smb_request_t *sr, smb_error_t *err) 1116 { 1117 uint32_t status; 1118 uint32_t severity; 1119 uint32_t capabilities; 1120 1121 ASSERT(sr); 1122 ASSERT(err); 1123 1124 status = err->status; 1125 severity = (err->severity == 0) ? ERROR_SEVERITY_ERROR : err->severity; 1126 capabilities = sr->session->capabilities; 1127 1128 if ((err->errcls == 0) && (err->errcode == 0)) { 1129 capabilities |= CAP_STATUS32; 1130 if (status == 0) 1131 status = NT_STATUS_INTERNAL_ERROR; 1132 } 1133 1134 if ((capabilities & CAP_STATUS32) && (status != 0)) { 1135 status |= severity; 1136 sr->smb_rcls = status & 0xff; 1137 sr->smb_reh = (status >> 8) & 0xff; 1138 sr->smb_err = status >> 16; 1139 sr->smb_flg2 |= SMB_FLAGS2_NT_STATUS; 1140 } else { 1141 if ((err->errcls == 0) || (err->errcode == 0)) { 1142 sr->smb_rcls = ERRSRV; 1143 sr->smb_err = ERRerror; 1144 } else { 1145 sr->smb_rcls = (uint8_t)err->errcls; 1146 sr->smb_err = (uint16_t)err->errcode; 1147 } 1148 } 1149 } 1150 1151 smb_xa_t * 1152 smbsr_lookup_xa(smb_request_t *sr) 1153 { 1154 ASSERT(sr->r_xa == 0); 1155 1156 sr->r_xa = smb_xa_find(sr->session, sr->smb_pid, sr->smb_mid); 1157 return (sr->r_xa); 1158 } 1159 1160 void 1161 smbsr_disconnect_file(smb_request_t *sr) 1162 { 1163 smb_ofile_t *of = sr->fid_ofile; 1164 1165 sr->fid_ofile = NULL; 1166 (void) smb_ofile_release(of); 1167 } 1168 1169 void 1170 smbsr_disconnect_dir(smb_request_t *sr) 1171 { 1172 smb_odir_t *od = sr->sid_odir; 1173 1174 sr->sid_odir = NULL; 1175 smb_odir_release(od); 1176 } 1177 1178 static int 1179 is_andx_com(unsigned char com) 1180 { 1181 switch (com) { 1182 case SMB_COM_LOCKING_ANDX: 1183 case SMB_COM_OPEN_ANDX: 1184 case SMB_COM_READ_ANDX: 1185 case SMB_COM_WRITE_ANDX: 1186 case SMB_COM_SESSION_SETUP_ANDX: 1187 case SMB_COM_LOGOFF_ANDX: 1188 case SMB_COM_TREE_CONNECT_ANDX: 1189 case SMB_COM_NT_CREATE_ANDX: 1190 return (1); 1191 } 1192 return (0); 1193 } 1194 1195 /* 1196 * Invalid command stubs. 1197 * 1198 * SmbWriteComplete is sent to acknowledge completion of raw write requests. 1199 * We never send raw write commands to other servers so, if we receive 1200 * SmbWriteComplete, we treat it as an error. 1201 * 1202 * The Read/Write Block Multiplexed (mpx) protocol is used to maximize 1203 * performance when reading/writing a large block of data: it can be 1204 * used in parallel with other client/server operations. The mpx sub- 1205 * protocol is not supported because we support only connection oriented 1206 * transports and NT supports mpx only over connectionless transports. 1207 */ 1208 smb_sdrc_t 1209 smb_pre_invalid(smb_request_t *sr) 1210 { 1211 DTRACE_SMB_1(op__Invalid__start, smb_request_t *, sr); 1212 return (SDRC_SUCCESS); 1213 } 1214 1215 void 1216 smb_post_invalid(smb_request_t *sr) 1217 { 1218 DTRACE_SMB_1(op__Invalid__done, smb_request_t *, sr); 1219 } 1220 1221 smb_sdrc_t 1222 smb_com_invalid(smb_request_t *sr) 1223 { 1224 smb_sdrc_t sdrc; 1225 1226 switch (sr->smb_com) { 1227 case SMB_COM_WRITE_COMPLETE: 1228 smbsr_error(sr, 0, ERRSRV, ERRerror); 1229 sdrc = SDRC_ERROR; 1230 break; 1231 1232 default: 1233 smbsr_error(sr, NT_STATUS_NOT_IMPLEMENTED, 1234 ERRDOS, ERROR_INVALID_FUNCTION); 1235 sdrc = SDRC_NOT_IMPLEMENTED; 1236 break; 1237 } 1238 1239 return (sdrc); 1240 } 1241 1242 /* 1243 * smb_dispatch_kstat_update 1244 * 1245 * This callback function updates the smb_dispatch_kstat_data when kstat 1246 * command is invoked. 1247 */ 1248 static int 1249 smb_dispatch_kstat_update(kstat_t *ksp, int rw) 1250 { 1251 smb_dispatch_table_t *sdd; 1252 kstat_named_t *ks_named; 1253 int i; 1254 1255 if (rw == KSTAT_WRITE) 1256 return (EACCES); 1257 1258 ASSERT(MUTEX_HELD(ksp->ks_lock)); 1259 1260 ks_named = ksp->ks_data; 1261 for (i = 0; i < SMB_COM_NUM; i++) { 1262 sdd = &dispatch[i]; 1263 1264 if (sdd->sdt_function != smb_com_invalid) { 1265 bcopy(&sdd->sdt_dispatch_stats, ks_named, 1266 sizeof (kstat_named_t)); 1267 ++ks_named; 1268 } 1269 } 1270 1271 return (0); 1272 } 1273 1274 /* 1275 * smb_dispatch_kstat_init 1276 * 1277 * Initialize dispatch kstats. 1278 */ 1279 void 1280 smb_dispatch_kstat_init(void) 1281 { 1282 int ks_ndata; 1283 int i; 1284 1285 for (i = 0, ks_ndata = 0; i < SMB_COM_NUM; i++) { 1286 if (dispatch[i].sdt_function != smb_com_invalid) 1287 ks_ndata++; 1288 } 1289 1290 smb_dispatch_ksp = kstat_create(SMBSRV_KSTAT_MODULE, 0, 1291 SMBSRV_KSTAT_NAME_CMDS, SMBSRV_KSTAT_CLASS, 1292 KSTAT_TYPE_NAMED, ks_ndata, 0); 1293 1294 if (smb_dispatch_ksp) { 1295 mutex_init(&smb_dispatch_ksmtx, NULL, MUTEX_DEFAULT, NULL); 1296 smb_dispatch_ksp->ks_update = smb_dispatch_kstat_update; 1297 smb_dispatch_ksp->ks_lock = &smb_dispatch_ksmtx; 1298 kstat_install(smb_dispatch_ksp); 1299 } 1300 } 1301 1302 /* 1303 * smb_dispatch_kstat_fini 1304 * 1305 * Remove dispatch kstats. 1306 */ 1307 void 1308 smb_dispatch_kstat_fini(void) 1309 { 1310 if (smb_dispatch_ksp != NULL) { 1311 kstat_delete(smb_dispatch_ksp); 1312 mutex_destroy(&smb_dispatch_ksmtx); 1313 smb_dispatch_ksp = NULL; 1314 } 1315 } 1316