/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* * SMB requests. * * Request * Header * Magic 0xFF 'S' 'M' 'B' * smb_com a byte, the "first" command * Error a 4-byte union, ignored in a request * smb_flg a one byte set of eight flags * smb_flg2 a two byte set of 16 flags * . twelve reserved bytes, have a role * in connectionless transports (IPX, UDP?) * smb_tid a 16-bit tree ID, a mount point sorta, * 0xFFFF is this command does not have * or require a tree context * smb_pid a 16-bit process ID * smb_uid a 16-bit user ID, specific to this "session" * and mapped to a system (bona-fide) UID * smb_mid a 16-bit multiplex ID, used to differentiate * multiple simultaneous requests from the same * process (pid) (ref RPC "xid") * * Chained (AndX) commands (0 or more) * smb_wct a byte, number of 16-bit words containing * command parameters, min 2 for chained command * andx_com a byte, the "next" command, 0xFF for none * . an unused byte * andx_off a 16-bit offset, byte displacement from &Magic * to the smb_wct field of the "next" command, * ignore if andx_com is 0xFF, s/b 0 if no next * smb_vwv[] 0 or more 16-bit (sorta) parameters for * "this" command (i.e. smb_com if this is the * first parameters, or the andx_com of the just * previous block. * smb_bcc a 16-bit count of smb_data[] bytes * smb_data[] 0 or more bytes, format specific to commands * padding[] Optional padding * * Last command * smb_wct a byte, number of 16-bit words containing * command parameters, min 0 for chained command * smb_vwv[] 0 or more 16-bit (sorta) parameters for * "this" command (i.e. smb_com if this is the * first parameters, or the andx_com of the just * previous block. * smb_bcc a 16-bit count of smb_data[] bytes * smb_data[] 0 or more bytes, format specific to commands * * Reply * Header * Magic 0xFF 'S' 'M' 'B' * smb_com a byte, the "first" command, corresponds * to request * Error a 4-byte union, coding depends on dialect in use * for "DOS" errors * a byte for error class * an unused byte * a 16-bit word for error code * for "NT" errors * a 32-bit error code which * is a packed class and specifier * for "OS/2" errors * I don't know * The error information is specific to the * last command in the reply chain. * smb_flg a one byte set of eight flags, 0x80 bit set * indicating this message is a reply * smb_flg2 a two byte set of 16 flags * . twelve reserved bytes, have a role * in connectionless transports (IPX, UDP?) * smb_tid a 16-bit tree ID, a mount point sorta, * should be the same as the request * smb_pid a 16-bit process ID, MUST BE the same as request * smb_uid a 16-bit user ID, specific to this "session" * and mapped to a system (bona-fide) UID, * should be the same as request * smb_mid a 16-bit multiplex ID, used to differentiate * multiple simultaneous requests from the same * process (pid) (ref RPC "xid"), MUST BE the * same as request * padding[] Optional padding * * Chained (AndX) commands (0 or more) * smb_wct a byte, number of 16-bit words containing * command parameters, min 2 for chained command, * andx_com a byte, the "next" command, 0xFF for none, * corresponds to request, if this is the chained * command that had an error set to 0xFF * . an unused byte * andx_off a 16-bit offset, byte displacement from &Magic * to the smb_wct field of the "next" command, * ignore if andx_com is 0xFF, s/b 0 if no next * smb_vwv[] 0 or more 16-bit (sorta) parameters for * "this" command (i.e. smb_com if this is the * first parameters, or the andx_com of the just * previous block. Empty if an error. * smb_bcc a 16-bit count of smb_data[] bytes * smb_data[] 0 or more bytes, format specific to commands * empty if an error. * * Last command * smb_wct a byte, number of 16-bit words containing * command parameters, min 0 for chained command * smb_vwv[] 0 or more 16-bit (sorta) parameters for * "this" command (i.e. smb_com if this is the * first parameters, or the andx_com of the just * previous block, empty if an error. * smb_bcc a 16-bit count of smb_data[] bytes * smb_data[] 0 or more bytes, format specific to commands, * empty if an error. */ #include #include #include #define SMB_ALL_DISPATCH_STAT_INCR(stat) atomic_inc_64(&stat); #define SMB_COM_NUM 256 static kstat_t *smb_dispatch_ksp = NULL; static kmutex_t smb_dispatch_ksmtx; static int is_andx_com(unsigned char); static int smbsr_check_result(struct smb_request *, int, int); static smb_disp_entry_t dispatch[SMB_COM_NUM] = { { SMB_SDT_OPS(create_directory), /* 0x00 000 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbCreateDirectory", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(delete_directory), /* 0x01 001 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbDeleteDirectory", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(open), /* 0x02 002 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbOpen", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(create), /* 0x03 003 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbCreate", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(close), /* 0x04 004 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbClose", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(flush), /* 0x05 005 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbFlush", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(delete), /* 0x06 006 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbDelete", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(rename), /* 0x07 007 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbRename", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(query_information), /* 0x08 008 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbQueryInformation", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(set_information), /* 0x09 009 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbSetInformation", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(read), /* 0x0A 010 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbRead", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(write), /* 0x0B 011 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbWrite", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(lock_byte_range), /* 0x0C 012 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbLockByteRange", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(unlock_byte_range), /* 0x0D 013 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbUnlockByteRange", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(create_temporary), /* 0x0E 014 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbCreateTemporary", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(create_new), /* 0x0F 015 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbCreateNew", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(check_directory), /* 0x10 016 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbCheckDirectory", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(process_exit), /* 0x11 017 */ PC_NETWORK_PROGRAM_1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, RW_READER, { "SmbProcessExit", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(seek), /* 0x12 018 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbSeek", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(lock_and_read), /* 0x13 019 */ LANMAN1_0, 0, RW_READER, { "SmbLockAndRead", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(write_and_unlock), /* 0x14 020 */ LANMAN1_0, 0, RW_READER, { "SmbWriteAndUnlock", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x15 021 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x16 022 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x17 023 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x18 024 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x19 025 */ { SMB_SDT_OPS(read_raw), /* 0x1A 026 */ LANMAN1_0, 0, RW_WRITER, { "SmbReadRaw", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x1B 027 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x1C 028 */ { SMB_SDT_OPS(write_raw), /* 0x1D 029 */ LANMAN1_0, 0, RW_WRITER, { "SmbWriteRaw", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x1E 030 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x1F 031 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x20 032 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x21 033 */ { SMB_SDT_OPS(set_information2), /* 0x22 034 */ LANMAN1_0, 0, RW_READER, { "SmbSetInformation2", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(query_information2), /* 0x23 035 */ LANMAN1_0, 0, RW_READER, { "SmbQueryInformation2", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(locking_andx), /* 0x24 036 */ LANMAN1_0, 0, RW_READER, { "SmbLockingX", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(transaction), /* 0x25 037 */ LANMAN1_0, 0, RW_READER, { "SmbTransaction", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(transaction_secondary), /* 0x26 038 */ LANMAN1_0, 0, RW_READER, { "SmbTransactionSecondary", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(ioctl), /* 0x27 039 */ LANMAN1_0, 0, RW_READER, { "SmbIoctl", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x28 040 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x29 041 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x2A 042 */ { SMB_SDT_OPS(echo), /* 0x2B 043 */ LANMAN1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, RW_READER, { "SmbEcho", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(write_and_close), /* 0x2C 044 */ LANMAN1_0, 0, RW_READER, { "SmbWriteAndClose", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(open_andx), /* 0x2D 045 */ LANMAN1_0, 0, RW_READER, { "SmbOpenX", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(read_andx), /* 0x2E 046 */ LANMAN1_0, 0, RW_READER, { "SmbReadX", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(write_andx), /* 0x2F 047 */ LANMAN1_0, 0, RW_READER, { "SmbWriteX", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x30 048 */ { SMB_SDT_OPS(close_and_tree_disconnect), /* 0x31 049 */ LANMAN1_0, 0, RW_READER, { "SmbCloseAndTreeDisconnect", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(transaction2), /* 0x32 050 */ LM1_2X002, 0, RW_READER, { "SmbTransaction2", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(transaction2_secondary), /* 0x33 051 */ LM1_2X002, 0, RW_READER, { "SmbTransaction2Secondary", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(find_close2), /* 0x34 052 */ LM1_2X002, 0, RW_READER, { "SmbFindClose2", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x35 053 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x36 054 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x37 055 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x38 056 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x39 057 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3A 058 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3B 059 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3C 060 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3D 061 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3E 062 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x3F 063 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x40 064 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x41 065 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x42 066 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x43 067 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x44 068 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x45 069 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x46 070 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x47 071 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x48 072 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x49 073 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4A 074 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4B 075 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4C 076 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4D 077 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4E 078 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x4F 079 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x50 080 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x51 081 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x52 082 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x53 083 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x54 084 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x55 085 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x56 086 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x57 087 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x58 088 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x59 089 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5A 090 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5B 091 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5C 092 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5D 093 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5E 094 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x5F 095 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x60 096 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x61 097 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x62 098 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x63 099 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x64 100 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x65 101 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x66 102 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x67 103 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x68 104 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x69 105 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6A 106 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6B 107 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6C 108 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6D 109 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6E 110 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x6F 111 */ { SMB_SDT_OPS(tree_connect), /* 0x70 112 */ PC_NETWORK_PROGRAM_1_0, SDDF_SUPPRESS_TID, RW_READER, { "SmbTreeConnect", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(tree_disconnect), /* 0x71 113 */ PC_NETWORK_PROGRAM_1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, RW_READER, { "SmbTreeDisconnect", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(negotiate), /* 0x72 114 */ PC_NETWORK_PROGRAM_1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, RW_WRITER, { "SmbNegotiate", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(session_setup_andx), /* 0x73 115 */ LANMAN1_0, SDDF_SUPPRESS_TID | SDDF_SUPPRESS_UID, RW_READER, { "SmbSessionSetupX", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(logoff_andx), /* 0x74 116 */ LM1_2X002, SDDF_SUPPRESS_TID, RW_READER, { "SmbLogoffX", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(tree_connect_andx), /* 0x75 117 */ LANMAN1_0, SDDF_SUPPRESS_TID, RW_READER, { "SmbTreeConnectX", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x76 118 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x77 119 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x78 120 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x79 121 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7A 122 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7B 123 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7C 124 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7D 125 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7E 126 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x7F 127 */ { SMB_SDT_OPS(query_information_disk), /* 0x80 128 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbQueryInformationDisk", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(search), /* 0x81 129 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbSearch", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(find), /* 0x82 130 */ LANMAN1_0, 0, RW_READER, { "SmbFind", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(find_unique), /* 0x83 131 */ LANMAN1_0, 0, RW_READER, { "SmbFindUnique", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(find_close), /* 0x84 132 */ LANMAN1_0, 0, RW_READER, { "SmbFindClose", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x85 133 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x86 134 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x87 135 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x88 136 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x89 137 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8A 138 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8B 139 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8C 140 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8D 141 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8E 142 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x8F 143 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x90 144 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x91 145 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x92 146 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x93 147 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x94 148 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x95 149 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x96 150 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x97 151 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x98 152 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x99 153 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9A 154 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9B 155 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9C 156 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9D 157 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9E 158 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0x9F 159 */ { SMB_SDT_OPS(nt_transact), /* 0xA0 160 */ NT_LM_0_12, 0, RW_READER, { "SmbNtTransact", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(nt_transact_secondary), /* 0xA1 161 */ NT_LM_0_12, 0, RW_READER, { "SmbNtTransactSecondary", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(nt_create_andx), /* 0xA2 162 */ NT_LM_0_12, 0, RW_READER, { "SmbNtCreateX", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA3 163 */ { SMB_SDT_OPS(nt_cancel), /* 0xA4 164 */ NT_LM_0_12, 0, RW_READER, { "SmbNtCancel", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA5 165 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA6 166 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA7 167 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA8 168 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xA9 169 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAA 170 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAB 171 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAC 172 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAD 173 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAE 174 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xAF 175 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB0 176 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB1 177 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB2 178 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB3 179 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB4 180 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB5 181 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB6 182 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB7 183 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB8 184 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xB9 185 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBA 186 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBB 187 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBC 188 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBD 189 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBE 190 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xBF 191 */ { SMB_SDT_OPS(open_print_file), /* 0xC0 192 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbOpenPrintFile", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(write_print_file), /* 0xC1 193 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbWritePrintFile", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(close_print_file), /* 0xC2 194 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbClosePrintFile", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(get_print_queue), /* 0xC3 195 */ PC_NETWORK_PROGRAM_1_0, 0, RW_READER, { "SmbGetPrintQueue", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC4 196 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC5 197 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC6 198 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC7 199 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC8 200 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xC9 201 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCA 202 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCB 203 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCC 204 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCD 205 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCE 206 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xCF 207 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD0 208 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD1 209 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD2 210 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD3 211 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD4 212 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD5 213 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD6 214 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD7 215 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD8 216 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xD9 217 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDA 218 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDB 219 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDC 220 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDD 221 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDE 222 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xDF 223 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE0 224 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE1 225 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE2 226 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE3 227 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE4 228 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE5 229 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE6 230 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE7 231 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE8 232 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xE9 233 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xEA 234 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xEB 235 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xEC 236 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xED 237 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xEE 238 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xEF 239 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF0 240 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF1 241 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF2 242 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF3 243 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF4 244 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF5 245 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF6 246 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF7 247 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF8 248 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xF9 249 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xFA 250 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xFB 251 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xFC 252 */ { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 }, /* 0xFD 253 */ { SMB_SDT_OPS(invalid), LANMAN1_0, 0, RW_READER, /* 0xFE 254 */ { "SmbInvalidCommand", KSTAT_DATA_UINT64 } }, { SMB_SDT_OPS(invalid), 0, 0, RW_READER, 0 } /* 0xFF 255 */ }; /* * smbsr_cleanup * * If any user/tree/file is used by given request then * the reference count for that resource has been incremented. * This function decrements the reference count and close * the resource if it's needed. */ void smbsr_cleanup(smb_request_t *sr) { ASSERT((sr->sr_state != SMB_REQ_STATE_CLEANED_UP) && (sr->sr_state != SMB_REQ_STATE_COMPLETED)); if (sr->r_xa) { if (sr->r_xa->xa_flags & SMB_XA_FLAG_COMPLETE) smb_xa_close(sr->r_xa); smb_xa_rele(sr->session, sr->r_xa); sr->r_xa = NULL; } /* * Mark this request so we know that we've already cleaned it up. * A request should only get cleaned up once so multiple calls to * smbsr_cleanup for the same request indicate a bug. */ mutex_enter(&sr->sr_mutex); if (sr->sr_state != SMB_REQ_STATE_CANCELED) sr->sr_state = SMB_REQ_STATE_CLEANED_UP; mutex_exit(&sr->sr_mutex); } /* * smb_dispatch_request * * Returns: * * B_TRUE The caller must free the smb request passed in. * B_FALSE The caller must not access the smb request passed in. It has * been kept in an internal queue and may have already been freed. */ boolean_t smb_dispatch_request(struct smb_request *sr) { smb_sdrc_t sdrc; smb_disp_entry_t *sdd; boolean_t disconnect = B_FALSE; smb_session_t *session; uint32_t capabilities; uint32_t byte_count; session = sr->session; capabilities = session->capabilities; ASSERT(sr->tid_tree == 0); ASSERT(sr->uid_user == 0); ASSERT(sr->fid_ofile == 0); sr->smb_fid = (uint16_t)-1; /* temporary until we identify a user */ sr->user_cr = kcred; sr->orig_request_hdr = sr->command.chain_offset; /* If this connection is shutting down just kill request */ if (smb_mbc_decodef(&sr->command, SMB_HEADER_ED_FMT, &sr->smb_com, &sr->smb_rcls, &sr->smb_reh, &sr->smb_err, &sr->smb_flg, &sr->smb_flg2, &sr->smb_pid_high, sr->smb_sig, &sr->smb_tid, &sr->smb_pid, &sr->smb_uid, &sr->smb_mid) != 0) { disconnect = B_TRUE; goto drop_connection; } /* * The reply "header" is filled in now even though it will, * most likely, be rewritten under reply_ready below. We * could reserve the space but this is convenient in case * the dialect dispatcher has to send a special reply (like * TRANSACT). * * Ensure that the 32-bit error code flag is turned off. * Clients seem to set it in transact requests and they may * get confused if we return success or a 16-bit SMB code. */ sr->smb_rcls = 0; sr->smb_reh = 0; sr->smb_err = 0; sr->smb_flg2 &= ~SMB_FLAGS2_NT_STATUS; (void) smb_mbc_encodef(&sr->reply, SMB_HEADER_ED_FMT, sr->smb_com, sr->smb_rcls, sr->smb_reh, sr->smb_err, sr->smb_flg, sr->smb_flg2, sr->smb_pid_high, sr->smb_sig, sr->smb_tid, sr->smb_pid, sr->smb_uid, sr->smb_mid); sr->first_smb_com = sr->smb_com; /* * Verify SMB signature if signing is enabled, dialect is NT LM 0.12, * signing was negotiated and authentication has occurred. */ if (session->signing.flags & SMB_SIGNING_ENABLED) { if (smb_sign_check_request(sr) != 0) { smbsr_error(sr, NT_STATUS_ACCESS_DENIED, ERRDOS, ERROR_ACCESS_DENIED); disconnect = B_TRUE; smb_rwx_rwenter(&session->s_lock, RW_READER); goto report_error; } } andx_more: sdd = &dispatch[sr->smb_com]; ASSERT(sdd->sdt_function); smb_rwx_rwenter(&session->s_lock, sdd->sdt_slock_mode); if (smb_mbc_decodef(&sr->command, "b", &sr->smb_wct) != 0) { disconnect = B_TRUE; goto report_error; } (void) MBC_SHADOW_CHAIN(&sr->smb_vwv, &sr->command, sr->command.chain_offset, sr->smb_wct * 2); if (smb_mbc_decodef(&sr->command, "#.w", sr->smb_wct*2, &sr->smb_bcc)) { disconnect = B_TRUE; goto report_error; } /* * Ignore smb_bcc if CAP_LARGE_READX/CAP_LARGE_WRITEX * and this is SmbReadX/SmbWriteX since this enables * large reads/write and bcc is only 16-bits. */ if (((sr->smb_com == SMB_COM_READ_ANDX) && (capabilities & CAP_LARGE_READX)) || ((sr->smb_com == SMB_COM_WRITE_ANDX) && (capabilities & CAP_LARGE_WRITEX))) { byte_count = sr->command.max_bytes - sr->command.chain_offset; } else { byte_count = (uint32_t)sr->smb_bcc; } (void) MBC_SHADOW_CHAIN(&sr->smb_data, &sr->command, sr->command.chain_offset, byte_count); sr->command.chain_offset += byte_count; if (sr->command.chain_offset > sr->command.max_bytes) { disconnect = B_TRUE; goto report_error; } /* Store pointers for later */ sr->cur_reply_offset = sr->reply.chain_offset; if (is_andx_com(sr->smb_com)) { /* Peek ahead and don't disturb vwv */ if (smb_mbc_peek(&sr->smb_vwv, sr->smb_vwv.chain_offset, "b.w", &sr->andx_com, &sr->andx_off) < 0) { disconnect = B_TRUE; goto report_error; } } else { sr->andx_com = (unsigned char)-1; } mutex_enter(&sr->sr_mutex); switch (sr->sr_state) { case SMB_REQ_STATE_SUBMITTED: case SMB_REQ_STATE_CLEANED_UP: sr->sr_state = SMB_REQ_STATE_ACTIVE; break; case SMB_REQ_STATE_CANCELED: break; default: ASSERT(0); break; } mutex_exit(&sr->sr_mutex); /* * Setup UID and TID information (if required). Both functions * will set the sr credentials. In domain mode, the user and * tree credentials should be the same. In share mode, the * tree credentials (defined in the share definition) should * override the user credentials. */ if (!(sdd->sdt_flags & SDDF_SUPPRESS_UID) && (sr->uid_user == NULL)) { sr->uid_user = smb_user_lookup_by_uid(session, sr->smb_uid); if (sr->uid_user == NULL) { smbsr_error(sr, 0, ERRSRV, ERRbaduid); smbsr_cleanup(sr); goto report_error; } sr->user_cr = smb_user_getcred(sr->uid_user); if (!(sdd->sdt_flags & SDDF_SUPPRESS_TID) && (sr->tid_tree == NULL)) { sr->tid_tree = smb_user_lookup_tree( sr->uid_user, sr->smb_tid); if (sr->tid_tree == NULL) { smbsr_error(sr, 0, ERRSRV, ERRinvnid); smbsr_cleanup(sr); goto report_error; } } } /* * If the command is not a read raw request we can set the * state of the session back to SMB_SESSION_STATE_NEGOTIATED * (if the current state is SMB_SESSION_STATE_OPLOCK_BREAKING). * Otherwise we let the read raw handler to deal with it. */ if ((session->s_state == SMB_SESSION_STATE_OPLOCK_BREAKING) && (sr->smb_com != SMB_COM_READ_RAW)) { krw_t mode; /* * The lock may have to be upgraded because, at this * point, we don't know how it was entered. We just * know that it has to be entered in writer mode here. * Whatever mode was used to enter the lock, it will * be restored. */ mode = smb_rwx_rwupgrade(&session->s_lock); if (session->s_state == SMB_SESSION_STATE_OPLOCK_BREAKING) session->s_state = SMB_SESSION_STATE_NEGOTIATED; smb_rwx_rwdowngrade(&session->s_lock, mode); } /* * Increment method invocation count. This value is exposed * via kstats, and it represents a count of all the dispatched * requests, including the ones that have a return value, other * than SDRC_SUCCESS. */ SMB_ALL_DISPATCH_STAT_INCR(sdd->sdt_dispatch_stats.value.ui64); if ((sdrc = (*sdd->sdt_pre_op)(sr)) == SDRC_SUCCESS) sdrc = (*sdd->sdt_function)(sr); if (sdrc != SDRC_SUCCESS) { /* * Handle errors from raw write. */ if (session->s_state == SMB_SESSION_STATE_WRITE_RAW_ACTIVE) { /* * Set state so that the netbios session * daemon will start accepting data again. */ session->s_write_raw_status = 0; session->s_state = SMB_SESSION_STATE_NEGOTIATED; } } if (sdrc != SDRC_SR_KEPT) { (*sdd->sdt_post_op)(sr); smbsr_cleanup(sr); } switch (sdrc) { case SDRC_SUCCESS: break; case SDRC_DROP_VC: disconnect = B_TRUE; goto drop_connection; case SDRC_NO_REPLY: smb_rwx_rwexit(&session->s_lock); return (B_TRUE); case SDRC_SR_KEPT: smb_rwx_rwexit(&session->s_lock); return (B_FALSE); case SDRC_ERROR: goto report_error; case SDRC_NOT_IMPLEMENTED: default: smbsr_error(sr, 0, ERRDOS, ERRbadfunc); goto report_error; } /* * If there's no AndX command, we're done. */ if (sr->andx_com == 0xff) goto reply_ready; /* * Otherwise, we have to back-patch the AndXCommand and AndXOffset * and continue processing. */ sr->andx_prev_wct = sr->cur_reply_offset; (void) smb_mbc_poke(&sr->reply, sr->andx_prev_wct + 1, "b.w", sr->andx_com, MBC_LENGTH(&sr->reply)); smb_rwx_rwexit(&session->s_lock); sr->command.chain_offset = sr->orig_request_hdr + sr->andx_off; sr->smb_com = sr->andx_com; goto andx_more; report_error: sr->reply.chain_offset = sr->cur_reply_offset; (void) smb_mbc_encodef(&sr->reply, "bw", 0, 0); sr->smb_wct = 0; sr->smb_bcc = 0; if (sr->smb_rcls == 0 && sr->smb_reh == 0 && sr->smb_err == 0) smbsr_error(sr, 0, ERRSRV, ERRerror); reply_ready: smbsr_send_reply(sr); drop_connection: if (disconnect) { switch (session->s_state) { case SMB_SESSION_STATE_DISCONNECTED: case SMB_SESSION_STATE_TERMINATED: break; default: smb_soshutdown(session->sock); session->s_state = SMB_SESSION_STATE_DISCONNECTED; break; } } smb_rwx_rwexit(&session->s_lock); return (B_TRUE); } int smbsr_encode_empty_result(struct smb_request *sr) { return (smbsr_encode_result(sr, 0, 0, "bw", 0, 0)); } int smbsr_encode_result(struct smb_request *sr, int wct, int bcc, char *fmt, ...) { va_list ap; if (MBC_LENGTH(&sr->reply) != sr->cur_reply_offset) return (-1); va_start(ap, fmt); (void) smb_mbc_vencodef(&sr->reply, fmt, ap); va_end(ap); sr->smb_wct = (unsigned char)wct; sr->smb_bcc = (uint16_t)bcc; if (smbsr_check_result(sr, wct, bcc) != 0) return (-1); return (0); } static int smbsr_check_result(struct smb_request *sr, int wct, int bcc) { int offset = sr->cur_reply_offset; int total_bytes; unsigned char temp, temp1; struct mbuf *m; total_bytes = 0; m = sr->reply.chain; while (m != 0) { total_bytes += m->m_len; m = m->m_next; } if ((offset + 3) > total_bytes) return (-1); (void) smb_mbc_peek(&sr->reply, offset, "b", &temp); if (temp != wct) return (-1); if ((offset + (wct * 2 + 1)) > total_bytes) return (-1); /* reply wct & vwv seem ok, consider data now */ offset += wct * 2 + 1; if ((offset + 2) > total_bytes) return (-1); (void) smb_mbc_peek(&sr->reply, offset, "bb", &temp, &temp1); if (bcc == VAR_BCC) { if ((temp != 0xFF) || (temp1 != 0xFF)) { return (-1); } else { bcc = (total_bytes - offset) - 2; (void) smb_mbc_poke(&sr->reply, offset, "bb", bcc, bcc >> 8); } } else { if ((temp != (bcc&0xFF)) || (temp1 != ((bcc>>8)&0xFF))) return (-1); } offset += bcc + 2; if (offset != total_bytes) return (-1); sr->smb_wct = (unsigned char)wct; sr->smb_bcc = (uint16_t)bcc; return (0); } int smbsr_decode_vwv(struct smb_request *sr, char *fmt, ...) { int rc; va_list ap; va_start(ap, fmt); rc = smb_mbc_vdecodef(&sr->smb_vwv, fmt, ap); va_end(ap); if (rc) smbsr_error(sr, 0, ERRSRV, ERRerror); return (rc); } int smbsr_decode_data(struct smb_request *sr, char *fmt, ...) { int rc; va_list ap; va_start(ap, fmt); rc = smb_mbc_vdecodef(&sr->smb_data, fmt, ap); va_end(ap); if (rc) smbsr_error(sr, 0, ERRSRV, ERRerror); return (rc); } void smbsr_send_reply(struct smb_request *sr) { if (SMB_TREE_IS_CASEINSENSITIVE(sr)) sr->smb_flg |= SMB_FLAGS_CASE_INSENSITIVE; else sr->smb_flg &= ~SMB_FLAGS_CASE_INSENSITIVE; (void) smb_mbc_poke(&sr->reply, 0, SMB_HEADER_ED_FMT, sr->first_smb_com, sr->smb_rcls, sr->smb_reh, sr->smb_err, sr->smb_flg | SMB_FLAGS_REPLY, sr->smb_flg2, sr->smb_pid_high, sr->smb_sig, sr->smb_tid, sr->smb_pid, sr->smb_uid, sr->smb_mid); if (sr->session->signing.flags & SMB_SIGNING_ENABLED) smb_sign_reply(sr, NULL); if (smb_session_send(sr->session, 0, &sr->reply) == 0) sr->reply.chain = 0; } /* * Map errno values to SMB and NT status values. * Note: ESRCH is a special case to handle a streams lookup failure. */ static struct { int errnum; int errcls; int errcode; DWORD status32; } smb_errno_map[] = { { ENOSPC, ERRDOS, ERROR_DISK_FULL, NT_STATUS_DISK_FULL }, { EDQUOT, ERRDOS, ERROR_DISK_FULL, NT_STATUS_DISK_FULL }, { EPERM, ERRSRV, ERRaccess, NT_STATUS_ACCESS_DENIED }, { ENOTDIR, ERRDOS, ERRbadpath, NT_STATUS_OBJECT_PATH_NOT_FOUND }, { EISDIR, ERRDOS, ERRbadpath, NT_STATUS_FILE_IS_A_DIRECTORY }, { ENOENT, ERRDOS, ERRbadfile, NT_STATUS_NO_SUCH_FILE }, { ENOTEMPTY, ERRDOS, ERROR_DIR_NOT_EMPTY, NT_STATUS_DIRECTORY_NOT_EMPTY }, { EACCES, ERRDOS, ERRnoaccess, NT_STATUS_ACCESS_DENIED }, { ENOMEM, ERRDOS, ERRnomem, NT_STATUS_NO_MEMORY }, { EIO, ERRHRD, ERRgeneral, NT_STATUS_IO_DEVICE_ERROR }, { EXDEV, ERRSRV, ERRdiffdevice, NT_STATUS_NOT_SAME_DEVICE }, { EROFS, ERRHRD, ERRnowrite, NT_STATUS_ACCESS_DENIED }, { ESTALE, ERRDOS, ERRbadfid, NT_STATUS_INVALID_HANDLE}, { EBADF, ERRDOS, ERRbadfid, NT_STATUS_INVALID_HANDLE}, { EEXIST, ERRDOS, ERRfilexists, NT_STATUS_OBJECT_NAME_COLLISION}, { ENXIO, ERRSRV, ERRinvdevice, NT_STATUS_BAD_DEVICE_TYPE}, { ESRCH, ERRDOS, ERROR_FILE_NOT_FOUND, NT_STATUS_OBJECT_NAME_NOT_FOUND }, /* * It's not clear why smb_read_common effectively returns * ERRnoaccess if a range lock prevents access and smb_write_common * effectively returns ERRaccess. This table entry is used by * smb_read_common and preserves the behavior that was there before. */ { ERANGE, ERRDOS, ERRnoaccess, NT_STATUS_FILE_LOCK_CONFLICT } }; void smbsr_map_errno(int errnum, smb_error_t *err) { int i; for (i = 0; i < sizeof (smb_errno_map)/sizeof (smb_errno_map[0]); ++i) { if (smb_errno_map[i].errnum == errnum) { err->severity = ERROR_SEVERITY_ERROR; err->status = smb_errno_map[i].status32; err->errcls = smb_errno_map[i].errcls; err->errcode = smb_errno_map[i].errcode; return; } } err->severity = ERROR_SEVERITY_ERROR; err->status = NT_STATUS_INTERNAL_ERROR; err->errcls = ERRDOS; err->errcode = ERROR_INTERNAL_ERROR; } void smbsr_errno(struct smb_request *sr, int errnum) { smbsr_map_errno(errnum, &sr->smb_error); smbsr_set_error(sr, &sr->smb_error); } /* * Report a request processing warning. */ void smbsr_warn(smb_request_t *sr, DWORD status, uint16_t errcls, uint16_t errcode) { sr->smb_error.severity = ERROR_SEVERITY_WARNING; sr->smb_error.status = status; sr->smb_error.errcls = errcls; sr->smb_error.errcode = errcode; smbsr_set_error(sr, &sr->smb_error); } /* * Report a request processing error. This function will not return. */ void smbsr_error(smb_request_t *sr, DWORD status, uint16_t errcls, uint16_t errcode) { sr->smb_error.severity = ERROR_SEVERITY_ERROR; sr->smb_error.status = status; sr->smb_error.errcls = errcls; sr->smb_error.errcode = errcode; smbsr_set_error(sr, &sr->smb_error); } /* * Setup a request processing error. This function can be used to * report 32-bit status codes or DOS errors. Set the status code * to 0 (NT_STATUS_SUCCESS) to explicitly report a DOS error, * regardless of the client capabilities. * * If status is non-zero and the client supports 32-bit status * codes, report the status. Otherwise, report the DOS error. */ void smbsr_set_error(smb_request_t *sr, smb_error_t *err) { uint32_t status; uint32_t severity; uint32_t capabilities; ASSERT(sr); ASSERT(err); status = err->status; severity = (err->severity == 0) ? ERROR_SEVERITY_ERROR : err->severity; capabilities = sr->session->capabilities; if ((err->errcls == 0) && (err->errcode == 0)) { capabilities |= CAP_STATUS32; if (status == 0) status = NT_STATUS_INTERNAL_ERROR; } if ((capabilities & CAP_STATUS32) && (status != 0)) { status |= severity; sr->smb_rcls = status & 0xff; sr->smb_reh = (status >> 8) & 0xff; sr->smb_err = status >> 16; sr->smb_flg2 |= SMB_FLAGS2_NT_STATUS; } else { if ((err->errcls == 0) || (err->errcode == 0)) { sr->smb_rcls = ERRSRV; sr->smb_err = ERRerror; } else { sr->smb_rcls = (uint8_t)err->errcls; sr->smb_err = (uint16_t)err->errcode; } } } smb_xa_t * smbsr_lookup_xa(smb_request_t *sr) { ASSERT(sr->r_xa == 0); sr->r_xa = smb_xa_find(sr->session, sr->smb_pid, sr->smb_mid); return (sr->r_xa); } void smbsr_disconnect_file(smb_request_t *sr) { smb_ofile_t *of = sr->fid_ofile; sr->fid_ofile = NULL; (void) smb_ofile_release(of); } void smbsr_lookup_file(smb_request_t *sr) { if (sr->fid_ofile == NULL) sr->fid_ofile = smb_ofile_lookup_by_fid(sr->tid_tree, sr->smb_fid); } static int is_andx_com(unsigned char com) { switch (com) { case SMB_COM_LOCKING_ANDX: case SMB_COM_OPEN_ANDX: case SMB_COM_READ_ANDX: case SMB_COM_WRITE_ANDX: case SMB_COM_SESSION_SETUP_ANDX: case SMB_COM_LOGOFF_ANDX: case SMB_COM_TREE_CONNECT_ANDX: case SMB_COM_NT_CREATE_ANDX: return (1); } return (0); } /* * Invalid command stubs. * * SmbWriteComplete is sent to acknowledge completion of raw write requests. * We never send raw write commands to other servers so, if we receive * SmbWriteComplete, we treat it as an error. * * The Read/Write Block Multiplexed (mpx) protocol is used to maximize * performance when reading/writing a large block of data: it can be * used in parallel with other client/server operations. The mpx sub- * protocol is not supported because we support only connection oriented * transports and NT supports mpx only over connectionless transports. */ smb_sdrc_t smb_pre_invalid(smb_request_t *sr) { DTRACE_SMB_1(op__Invalid__start, smb_request_t *, sr); return (SDRC_SUCCESS); } void smb_post_invalid(smb_request_t *sr) { DTRACE_SMB_1(op__Invalid__done, smb_request_t *, sr); } smb_sdrc_t smb_com_invalid(smb_request_t *sr) { smb_sdrc_t sdrc; switch (sr->smb_com) { case SMB_COM_WRITE_COMPLETE: smbsr_error(sr, 0, ERRSRV, ERRerror); sdrc = SDRC_ERROR; break; default: smbsr_error(sr, NT_STATUS_NOT_IMPLEMENTED, ERRDOS, ERROR_INVALID_FUNCTION); sdrc = SDRC_NOT_IMPLEMENTED; break; } return (sdrc); } /* * smb_dispatch_kstat_update * * This callback function updates the smb_dispatch_kstat_data when kstat * command is invoked. */ static int smb_dispatch_kstat_update(kstat_t *ksp, int rw) { smb_disp_entry_t *sdd; kstat_named_t *ks_named; int i; if (rw == KSTAT_WRITE) return (EACCES); ASSERT(MUTEX_HELD(ksp->ks_lock)); ks_named = ksp->ks_data; for (i = 0; i < SMB_COM_NUM; i++) { sdd = &dispatch[i]; if (sdd->sdt_function != smb_com_invalid) { bcopy(&sdd->sdt_dispatch_stats, ks_named, sizeof (kstat_named_t)); ++ks_named; } } return (0); } /* * smb_dispatch_kstat_init * * Initialize dispatch kstats. */ void smb_dispatch_kstat_init(void) { int ks_ndata; int i; for (i = 0, ks_ndata = 0; i < SMB_COM_NUM; i++) { if (dispatch[i].sdt_function != smb_com_invalid) ks_ndata++; } smb_dispatch_ksp = kstat_create(SMBSRV_KSTAT_MODULE, 0, SMBSRV_KSTAT_NAME_CMDS, SMBSRV_KSTAT_CLASS, KSTAT_TYPE_NAMED, ks_ndata, 0); if (smb_dispatch_ksp) { mutex_init(&smb_dispatch_ksmtx, NULL, MUTEX_DEFAULT, NULL); smb_dispatch_ksp->ks_update = smb_dispatch_kstat_update; smb_dispatch_ksp->ks_lock = &smb_dispatch_ksmtx; kstat_install(smb_dispatch_ksp); } } /* * smb_dispatch_kstat_fini * * Remove dispatch kstats. */ void smb_dispatch_kstat_fini(void) { if (smb_dispatch_ksp != NULL) { kstat_delete(smb_dispatch_ksp); mutex_destroy(&smb_dispatch_ksmtx); smb_dispatch_ksp = NULL; } }