1 | /*
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2 | Unix SMB/CIFS implementation.
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3 | SMB NT transaction handling
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4 | Copyright (C) Jeremy Allison 1994-2007
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5 | Copyright (C) Stefan (metze) Metzmacher 2003
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6 |
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7 | This program is free software; you can redistribute it and/or modify
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8 | it under the terms of the GNU General Public License as published by
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9 | the Free Software Foundation; either version 3 of the License, or
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10 | (at your option) any later version.
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11 |
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12 | This program is distributed in the hope that it will be useful,
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13 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | GNU General Public License for more details.
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16 |
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17 | You should have received a copy of the GNU General Public License
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18 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 |
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21 | #include "includes.h"
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22 | #include "system/filesys.h"
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23 | #include "smbd/smbd.h"
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24 | #include "smbd/globals.h"
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25 | #include "fake_file.h"
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26 | #include "../libcli/security/security.h"
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27 | #include "../librpc/gen_ndr/ndr_security.h"
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28 | #include "passdb/lookup_sid.h"
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29 | #include "auth.h"
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30 | #include "ntioctl.h"
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31 | #include "smbprofile.h"
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32 | #include "libsmb/libsmb.h"
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33 |
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34 | extern const struct generic_mapping file_generic_mapping;
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35 |
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36 | static char *nttrans_realloc(char **ptr, size_t size)
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37 | {
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38 | if (ptr==NULL) {
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39 | smb_panic("nttrans_realloc() called with NULL ptr");
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40 | }
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41 |
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42 | *ptr = (char *)SMB_REALLOC(*ptr, size);
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43 | if(*ptr == NULL) {
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44 | return NULL;
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45 | }
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46 | memset(*ptr,'\0',size);
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47 | return *ptr;
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48 | }
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49 |
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50 | /****************************************************************************
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51 | Send the required number of replies back.
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52 | We assume all fields other than the data fields are
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53 | set correctly for the type of call.
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54 | HACK ! Always assumes smb_setup field is zero.
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55 | ****************************************************************************/
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56 |
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57 | void send_nt_replies(connection_struct *conn,
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58 | struct smb_request *req, NTSTATUS nt_error,
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59 | char *params, int paramsize,
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60 | char *pdata, int datasize)
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61 | {
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62 | int data_to_send = datasize;
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63 | int params_to_send = paramsize;
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64 | int useable_space;
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65 | char *pp = params;
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66 | char *pd = pdata;
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67 | int params_sent_thistime, data_sent_thistime, total_sent_thistime;
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68 | int alignment_offset = 1;
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69 | int data_alignment_offset = 0;
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70 | struct smbd_server_connection *sconn = req->sconn;
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71 | int max_send = sconn->smb1.sessions.max_send;
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72 |
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73 | /*
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74 | * If there genuinely are no parameters or data to send just send
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75 | * the empty packet.
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76 | */
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77 |
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78 | if(params_to_send == 0 && data_to_send == 0) {
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79 | reply_outbuf(req, 18, 0);
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80 | if (NT_STATUS_V(nt_error)) {
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81 | error_packet_set((char *)req->outbuf,
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82 | 0, 0, nt_error,
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83 | __LINE__,__FILE__);
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84 | }
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85 | show_msg((char *)req->outbuf);
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86 | if (!srv_send_smb(sconn,
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87 | (char *)req->outbuf,
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88 | true, req->seqnum+1,
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89 | IS_CONN_ENCRYPTED(conn),
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90 | &req->pcd)) {
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91 | exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
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92 | }
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93 | TALLOC_FREE(req->outbuf);
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94 | return;
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95 | }
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96 |
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97 | /*
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98 | * When sending params and data ensure that both are nicely aligned.
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99 | * Only do this alignment when there is also data to send - else
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100 | * can cause NT redirector problems.
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101 | */
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102 |
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103 | if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
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104 | data_alignment_offset = 4 - (params_to_send % 4);
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105 | }
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106 |
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107 | /*
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108 | * Space is bufsize minus Netbios over TCP header minus SMB header.
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109 | * The alignment_offset is to align the param bytes on a four byte
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110 | * boundary (2 bytes for data len, one byte pad).
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111 | * NT needs this to work correctly.
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112 | */
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113 |
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114 | useable_space = max_send - (smb_size
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115 | + 2 * 18 /* wct */
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116 | + alignment_offset
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117 | + data_alignment_offset);
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118 |
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119 | if (useable_space < 0) {
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120 | char *msg = talloc_asprintf(
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121 | talloc_tos(),
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122 | "send_nt_replies failed sanity useable_space = %d!!!",
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123 | useable_space);
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124 | DEBUG(0, ("%s\n", msg));
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125 | exit_server_cleanly(msg);
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126 | }
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127 |
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128 | while (params_to_send || data_to_send) {
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129 |
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130 | /*
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131 | * Calculate whether we will totally or partially fill this packet.
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132 | */
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133 |
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134 | total_sent_thistime = params_to_send + data_to_send;
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135 |
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136 | /*
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137 | * We can never send more than useable_space.
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138 | */
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139 |
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140 | total_sent_thistime = MIN(total_sent_thistime, useable_space);
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141 |
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142 | reply_outbuf(req, 18,
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143 | total_sent_thistime + alignment_offset
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144 | + data_alignment_offset);
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145 |
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146 | /*
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147 | * Set total params and data to be sent.
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148 | */
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149 |
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150 | SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
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151 | SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
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152 |
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153 | /*
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154 | * Calculate how many parameters and data we can fit into
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155 | * this packet. Parameters get precedence.
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156 | */
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157 |
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158 | params_sent_thistime = MIN(params_to_send,useable_space);
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159 | data_sent_thistime = useable_space - params_sent_thistime;
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160 | data_sent_thistime = MIN(data_sent_thistime,data_to_send);
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161 |
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162 | SIVAL(req->outbuf, smb_ntr_ParameterCount,
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163 | params_sent_thistime);
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164 |
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165 | if(params_sent_thistime == 0) {
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166 | SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
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167 | SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
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168 | } else {
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169 | /*
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170 | * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
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171 | * parameter bytes, however the first 4 bytes of outbuf are
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172 | * the Netbios over TCP header. Thus use smb_base() to subtract
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173 | * them from the calculation.
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174 | */
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175 |
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176 | SIVAL(req->outbuf,smb_ntr_ParameterOffset,
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177 | ((smb_buf(req->outbuf)+alignment_offset)
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178 | - smb_base(req->outbuf)));
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179 | /*
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180 | * Absolute displacement of param bytes sent in this packet.
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181 | */
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182 |
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183 | SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
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184 | pp - params);
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185 | }
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186 |
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187 | /*
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188 | * Deal with the data portion.
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189 | */
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190 |
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191 | SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
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192 |
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193 | if(data_sent_thistime == 0) {
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194 | SIVAL(req->outbuf,smb_ntr_DataOffset,0);
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195 | SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
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196 | } else {
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197 | /*
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198 | * The offset of the data bytes is the offset of the
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199 | * parameter bytes plus the number of parameters being sent this time.
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200 | */
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201 |
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202 | SIVAL(req->outbuf, smb_ntr_DataOffset,
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203 | ((smb_buf(req->outbuf)+alignment_offset) -
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204 | smb_base(req->outbuf))
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205 | + params_sent_thistime + data_alignment_offset);
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206 | SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
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207 | }
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208 |
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209 | /*
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210 | * Copy the param bytes into the packet.
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211 | */
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212 |
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213 | if(params_sent_thistime) {
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214 | if (alignment_offset != 0) {
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215 | memset(smb_buf(req->outbuf), 0,
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216 | alignment_offset);
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217 | }
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218 | memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
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219 | params_sent_thistime);
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220 | }
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221 |
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222 | /*
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223 | * Copy in the data bytes
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224 | */
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225 |
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226 | if(data_sent_thistime) {
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227 | if (data_alignment_offset != 0) {
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228 | memset((smb_buf(req->outbuf)+alignment_offset+
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229 | params_sent_thistime), 0,
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230 | data_alignment_offset);
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231 | }
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232 | memcpy(smb_buf(req->outbuf)+alignment_offset
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233 | +params_sent_thistime+data_alignment_offset,
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234 | pd,data_sent_thistime);
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235 | }
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236 |
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237 | DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
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238 | params_sent_thistime, data_sent_thistime, useable_space));
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239 | DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
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240 | params_to_send, data_to_send, paramsize, datasize));
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241 |
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242 | if (NT_STATUS_V(nt_error)) {
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243 | error_packet_set((char *)req->outbuf,
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244 | 0, 0, nt_error,
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245 | __LINE__,__FILE__);
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246 | }
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247 |
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248 | /* Send the packet */
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249 | show_msg((char *)req->outbuf);
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250 | if (!srv_send_smb(sconn,
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251 | (char *)req->outbuf,
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252 | true, req->seqnum+1,
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253 | IS_CONN_ENCRYPTED(conn),
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254 | &req->pcd)) {
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255 | exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
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256 | }
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257 |
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258 | TALLOC_FREE(req->outbuf);
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259 |
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260 | pp += params_sent_thistime;
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261 | pd += data_sent_thistime;
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262 |
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263 | params_to_send -= params_sent_thistime;
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264 | data_to_send -= data_sent_thistime;
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265 |
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266 | /*
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267 | * Sanity check
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268 | */
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269 |
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270 | if(params_to_send < 0 || data_to_send < 0) {
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271 | DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
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272 | params_to_send, data_to_send));
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273 | exit_server_cleanly("send_nt_replies: internal error");
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274 | }
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275 | }
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276 | }
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277 |
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278 | /****************************************************************************
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279 | Reply to an NT create and X call on a pipe
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280 | ****************************************************************************/
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281 |
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282 | static void nt_open_pipe(char *fname, connection_struct *conn,
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283 | struct smb_request *req, int *ppnum)
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284 | {
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285 | files_struct *fsp;
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286 | NTSTATUS status;
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287 |
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288 | DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
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289 |
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290 | /* Strip \\ off the name. */
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291 | fname++;
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292 |
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293 | status = open_np_file(req, fname, &fsp);
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294 | if (!NT_STATUS_IS_OK(status)) {
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295 | if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
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296 | reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
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297 | ERRDOS, ERRbadpipe);
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298 | return;
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299 | }
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300 | reply_nterror(req, status);
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301 | return;
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302 | }
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303 |
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304 | *ppnum = fsp->fnum;
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305 | return;
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306 | }
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307 |
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308 | /****************************************************************************
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309 | Reply to an NT create and X call for pipes.
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310 | ****************************************************************************/
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311 |
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312 | static void do_ntcreate_pipe_open(connection_struct *conn,
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313 | struct smb_request *req)
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314 | {
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315 | char *fname = NULL;
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316 | int pnum = -1;
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317 | char *p = NULL;
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318 | uint32 flags = IVAL(req->vwv+3, 1);
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319 | TALLOC_CTX *ctx = talloc_tos();
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320 |
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321 | srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
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322 |
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323 | if (!fname) {
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324 | reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
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325 | ERRDOS, ERRbadpipe);
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326 | return;
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327 | }
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328 | nt_open_pipe(fname, conn, req, &pnum);
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329 |
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330 | if (req->outbuf) {
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331 | /* error reply */
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332 | return;
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333 | }
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334 |
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335 | /*
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336 | * Deal with pipe return.
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337 | */
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338 |
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339 | if (flags & EXTENDED_RESPONSE_REQUIRED) {
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340 | /* This is very strange. We
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341 | * return 50 words, but only set
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342 | * the wcnt to 42 ? It's definately
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343 | * what happens on the wire....
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344 | */
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345 | reply_outbuf(req, 50, 0);
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346 | SCVAL(req->outbuf,smb_wct,42);
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347 | } else {
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348 | reply_outbuf(req, 34, 0);
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349 | }
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350 |
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351 | p = (char *)req->outbuf + smb_vwv2;
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352 | p++;
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353 | SSVAL(p,0,pnum);
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354 | p += 2;
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355 | SIVAL(p,0,FILE_WAS_OPENED);
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356 | p += 4;
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357 | p += 32;
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358 | SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
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359 | p += 20;
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360 | /* File type. */
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361 | SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
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362 | /* Device state. */
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363 | SSVAL(p,2, 0x5FF); /* ? */
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364 | p += 4;
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365 |
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366 | if (flags & EXTENDED_RESPONSE_REQUIRED) {
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367 | p += 25;
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368 | SIVAL(p,0,FILE_GENERIC_ALL);
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369 | /*
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370 | * For pipes W2K3 seems to return
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371 | * 0x12019B next.
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372 | * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
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373 | */
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374 | SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
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375 | }
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376 |
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377 | DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
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378 |
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379 | chain_reply(req);
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380 | }
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381 |
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382 | struct case_semantics_state {
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383 | connection_struct *conn;
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384 | bool case_sensitive;
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385 | bool case_preserve;
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386 | bool short_case_preserve;
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387 | };
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388 |
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389 | /****************************************************************************
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390 | Restore case semantics.
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391 | ****************************************************************************/
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392 |
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393 | static int restore_case_semantics(struct case_semantics_state *state)
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394 | {
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395 | state->conn->case_sensitive = state->case_sensitive;
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396 | state->conn->case_preserve = state->case_preserve;
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397 | state->conn->short_case_preserve = state->short_case_preserve;
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398 | return 0;
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399 | }
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400 |
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401 | /****************************************************************************
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402 | Save case semantics.
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403 | ****************************************************************************/
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404 |
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405 | static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
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406 | connection_struct *conn)
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407 | {
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408 | struct case_semantics_state *result;
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409 |
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410 | if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
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411 | return NULL;
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412 | }
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413 |
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414 | result->conn = conn;
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415 | result->case_sensitive = conn->case_sensitive;
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416 | result->case_preserve = conn->case_preserve;
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417 | result->short_case_preserve = conn->short_case_preserve;
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418 |
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419 | /* Set to POSIX. */
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420 | conn->case_sensitive = True;
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421 | conn->case_preserve = True;
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422 | conn->short_case_preserve = True;
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423 |
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424 | talloc_set_destructor(result, restore_case_semantics);
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425 |
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426 | return result;
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427 | }
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428 |
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429 | /****************************************************************************
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430 | Reply to an NT create and X call.
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431 | ****************************************************************************/
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432 |
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433 | void reply_ntcreate_and_X(struct smb_request *req)
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434 | {
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435 | connection_struct *conn = req->conn;
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436 | struct smb_filename *smb_fname = NULL;
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437 | char *fname = NULL;
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438 | uint32 flags;
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439 | uint32 access_mask;
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440 | uint32 file_attributes;
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441 | uint32 share_access;
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442 | uint32 create_disposition;
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443 | uint32 create_options;
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444 | uint16 root_dir_fid;
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445 | uint64_t allocation_size;
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446 | /* Breakout the oplock request bits so we can set the
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447 | reply bits separately. */
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448 | uint32 fattr=0;
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449 | SMB_OFF_T file_len = 0;
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450 | int info = 0;
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451 | files_struct *fsp = NULL;
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452 | char *p = NULL;
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453 | struct timespec create_timespec;
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454 | struct timespec c_timespec;
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455 | struct timespec a_timespec;
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456 | struct timespec m_timespec;
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457 | struct timespec write_time_ts;
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458 | NTSTATUS status;
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459 | int oplock_request;
|
---|
460 | uint8_t oplock_granted = NO_OPLOCK_RETURN;
|
---|
461 | struct case_semantics_state *case_state = NULL;
|
---|
462 | TALLOC_CTX *ctx = talloc_tos();
|
---|
463 |
|
---|
464 | START_PROFILE(SMBntcreateX);
|
---|
465 |
|
---|
466 | if (req->wct < 24) {
|
---|
467 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
468 | goto out;
|
---|
469 | }
|
---|
470 |
|
---|
471 | flags = IVAL(req->vwv+3, 1);
|
---|
472 | access_mask = IVAL(req->vwv+7, 1);
|
---|
473 | file_attributes = IVAL(req->vwv+13, 1);
|
---|
474 | share_access = IVAL(req->vwv+15, 1);
|
---|
475 | create_disposition = IVAL(req->vwv+17, 1);
|
---|
476 | create_options = IVAL(req->vwv+19, 1);
|
---|
477 | root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
|
---|
478 |
|
---|
479 | allocation_size = BVAL(req->vwv+9, 1);
|
---|
480 |
|
---|
481 | srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
|
---|
482 | STR_TERMINATE, &status);
|
---|
483 |
|
---|
484 | if (!NT_STATUS_IS_OK(status)) {
|
---|
485 | reply_nterror(req, status);
|
---|
486 | goto out;
|
---|
487 | }
|
---|
488 |
|
---|
489 | DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
|
---|
490 | "file_attributes = 0x%x, share_access = 0x%x, "
|
---|
491 | "create_disposition = 0x%x create_options = 0x%x "
|
---|
492 | "root_dir_fid = 0x%x, fname = %s\n",
|
---|
493 | (unsigned int)flags,
|
---|
494 | (unsigned int)access_mask,
|
---|
495 | (unsigned int)file_attributes,
|
---|
496 | (unsigned int)share_access,
|
---|
497 | (unsigned int)create_disposition,
|
---|
498 | (unsigned int)create_options,
|
---|
499 | (unsigned int)root_dir_fid,
|
---|
500 | fname));
|
---|
501 |
|
---|
502 | /*
|
---|
503 | * we need to remove ignored bits when they come directly from the client
|
---|
504 | * because we reuse some of them for internal stuff
|
---|
505 | */
|
---|
506 | create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
|
---|
507 |
|
---|
508 | /*
|
---|
509 | * If it's an IPC, use the pipe handler.
|
---|
510 | */
|
---|
511 |
|
---|
512 | if (IS_IPC(conn)) {
|
---|
513 | if (lp_nt_pipe_support()) {
|
---|
514 | do_ntcreate_pipe_open(conn, req);
|
---|
515 | goto out;
|
---|
516 | }
|
---|
517 | reply_nterror(req, NT_STATUS_ACCESS_DENIED);
|
---|
518 | goto out;
|
---|
519 | }
|
---|
520 |
|
---|
521 | oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
|
---|
522 | if (oplock_request) {
|
---|
523 | oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
|
---|
524 | ? BATCH_OPLOCK : 0;
|
---|
525 | }
|
---|
526 |
|
---|
527 | if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
|
---|
528 | case_state = set_posix_case_semantics(ctx, conn);
|
---|
529 | if (!case_state) {
|
---|
530 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
531 | goto out;
|
---|
532 | }
|
---|
533 | }
|
---|
534 |
|
---|
535 | status = filename_convert(ctx,
|
---|
536 | conn,
|
---|
537 | req->flags2 & FLAGS2_DFS_PATHNAMES,
|
---|
538 | fname,
|
---|
539 | 0,
|
---|
540 | NULL,
|
---|
541 | &smb_fname);
|
---|
542 |
|
---|
543 | TALLOC_FREE(case_state);
|
---|
544 |
|
---|
545 | if (!NT_STATUS_IS_OK(status)) {
|
---|
546 | if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
|
---|
547 | reply_botherror(req,
|
---|
548 | NT_STATUS_PATH_NOT_COVERED,
|
---|
549 | ERRSRV, ERRbadpath);
|
---|
550 | goto out;
|
---|
551 | }
|
---|
552 | reply_nterror(req, status);
|
---|
553 | goto out;
|
---|
554 | }
|
---|
555 |
|
---|
556 | /*
|
---|
557 | * Bug #6898 - clients using Windows opens should
|
---|
558 | * never be able to set this attribute into the
|
---|
559 | * VFS.
|
---|
560 | */
|
---|
561 | file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
|
---|
562 |
|
---|
563 | status = SMB_VFS_CREATE_FILE(
|
---|
564 | conn, /* conn */
|
---|
565 | req, /* req */
|
---|
566 | root_dir_fid, /* root_dir_fid */
|
---|
567 | smb_fname, /* fname */
|
---|
568 | access_mask, /* access_mask */
|
---|
569 | share_access, /* share_access */
|
---|
570 | create_disposition, /* create_disposition*/
|
---|
571 | create_options, /* create_options */
|
---|
572 | file_attributes, /* file_attributes */
|
---|
573 | oplock_request, /* oplock_request */
|
---|
574 | allocation_size, /* allocation_size */
|
---|
575 | 0, /* private_flags */
|
---|
576 | NULL, /* sd */
|
---|
577 | NULL, /* ea_list */
|
---|
578 | &fsp, /* result */
|
---|
579 | &info); /* pinfo */
|
---|
580 |
|
---|
581 | if (!NT_STATUS_IS_OK(status)) {
|
---|
582 | if (open_was_deferred(req->mid)) {
|
---|
583 | /* We have re-scheduled this call, no error. */
|
---|
584 | goto out;
|
---|
585 | }
|
---|
586 | reply_openerror(req, status);
|
---|
587 | goto out;
|
---|
588 | }
|
---|
589 |
|
---|
590 | /* Ensure we're pointing at the correct stat struct. */
|
---|
591 | TALLOC_FREE(smb_fname);
|
---|
592 | smb_fname = fsp->fsp_name;
|
---|
593 |
|
---|
594 | /*
|
---|
595 | * If the caller set the extended oplock request bit
|
---|
596 | * and we granted one (by whatever means) - set the
|
---|
597 | * correct bit for extended oplock reply.
|
---|
598 | */
|
---|
599 |
|
---|
600 | if (oplock_request &&
|
---|
601 | (lp_fake_oplocks(SNUM(conn))
|
---|
602 | || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
|
---|
603 |
|
---|
604 | /*
|
---|
605 | * Exclusive oplock granted
|
---|
606 | */
|
---|
607 |
|
---|
608 | if (flags & REQUEST_BATCH_OPLOCK) {
|
---|
609 | oplock_granted = BATCH_OPLOCK_RETURN;
|
---|
610 | } else {
|
---|
611 | oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
|
---|
612 | }
|
---|
613 | } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
|
---|
614 | oplock_granted = LEVEL_II_OPLOCK_RETURN;
|
---|
615 | } else {
|
---|
616 | oplock_granted = NO_OPLOCK_RETURN;
|
---|
617 | }
|
---|
618 |
|
---|
619 | file_len = smb_fname->st.st_ex_size;
|
---|
620 |
|
---|
621 | if (flags & EXTENDED_RESPONSE_REQUIRED) {
|
---|
622 | /* This is very strange. We
|
---|
623 | * return 50 words, but only set
|
---|
624 | * the wcnt to 42 ? It's definately
|
---|
625 | * what happens on the wire....
|
---|
626 | */
|
---|
627 | reply_outbuf(req, 50, 0);
|
---|
628 | SCVAL(req->outbuf,smb_wct,42);
|
---|
629 | } else {
|
---|
630 | reply_outbuf(req, 34, 0);
|
---|
631 | }
|
---|
632 |
|
---|
633 | p = (char *)req->outbuf + smb_vwv2;
|
---|
634 |
|
---|
635 | SCVAL(p, 0, oplock_granted);
|
---|
636 |
|
---|
637 | p++;
|
---|
638 | SSVAL(p,0,fsp->fnum);
|
---|
639 | p += 2;
|
---|
640 | if ((create_disposition == FILE_SUPERSEDE)
|
---|
641 | && (info == FILE_WAS_OVERWRITTEN)) {
|
---|
642 | SIVAL(p,0,FILE_WAS_SUPERSEDED);
|
---|
643 | } else {
|
---|
644 | SIVAL(p,0,info);
|
---|
645 | }
|
---|
646 | p += 4;
|
---|
647 |
|
---|
648 | fattr = dos_mode(conn, smb_fname);
|
---|
649 | if (fattr == 0) {
|
---|
650 | fattr = FILE_ATTRIBUTE_NORMAL;
|
---|
651 | }
|
---|
652 |
|
---|
653 | /* Deal with other possible opens having a modified
|
---|
654 | write time. JRA. */
|
---|
655 | ZERO_STRUCT(write_time_ts);
|
---|
656 | get_file_infos(fsp->file_id, 0, NULL, &write_time_ts);
|
---|
657 | if (!null_timespec(write_time_ts)) {
|
---|
658 | update_stat_ex_mtime(&smb_fname->st, write_time_ts);
|
---|
659 | }
|
---|
660 |
|
---|
661 | /* Create time. */
|
---|
662 | create_timespec = get_create_timespec(conn, fsp, smb_fname);
|
---|
663 | a_timespec = smb_fname->st.st_ex_atime;
|
---|
664 | m_timespec = smb_fname->st.st_ex_mtime;
|
---|
665 | c_timespec = get_change_timespec(conn, fsp, smb_fname);
|
---|
666 |
|
---|
667 | if (lp_dos_filetime_resolution(SNUM(conn))) {
|
---|
668 | dos_filetime_timespec(&create_timespec);
|
---|
669 | dos_filetime_timespec(&a_timespec);
|
---|
670 | dos_filetime_timespec(&m_timespec);
|
---|
671 | dos_filetime_timespec(&c_timespec);
|
---|
672 | }
|
---|
673 |
|
---|
674 | put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
|
---|
675 | p += 8;
|
---|
676 | put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
|
---|
677 | p += 8;
|
---|
678 | put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
|
---|
679 | p += 8;
|
---|
680 | put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
|
---|
681 | p += 8;
|
---|
682 | SIVAL(p,0,fattr); /* File Attributes. */
|
---|
683 | p += 4;
|
---|
684 | SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&smb_fname->st));
|
---|
685 | p += 8;
|
---|
686 | SOFF_T(p,0,file_len);
|
---|
687 | p += 8;
|
---|
688 | if (flags & EXTENDED_RESPONSE_REQUIRED) {
|
---|
689 | uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
|
---|
690 | size_t num_names = 0;
|
---|
691 | unsigned int num_streams = 0;
|
---|
692 | struct stream_struct *streams = NULL;
|
---|
693 |
|
---|
694 | /* Do we have any EA's ? */
|
---|
695 | status = get_ea_names_from_file(ctx, conn, fsp,
|
---|
696 | smb_fname->base_name, NULL, &num_names);
|
---|
697 | if (NT_STATUS_IS_OK(status) && num_names) {
|
---|
698 | file_status &= ~NO_EAS;
|
---|
699 | }
|
---|
700 | status = vfs_streaminfo(conn, NULL, smb_fname->base_name, ctx,
|
---|
701 | &num_streams, &streams);
|
---|
702 | /* There is always one stream, ::$DATA. */
|
---|
703 | if (NT_STATUS_IS_OK(status) && num_streams > 1) {
|
---|
704 | file_status &= ~NO_SUBSTREAMS;
|
---|
705 | }
|
---|
706 | TALLOC_FREE(streams);
|
---|
707 | SSVAL(p,2,file_status);
|
---|
708 | }
|
---|
709 | p += 4;
|
---|
710 | SCVAL(p,0,fsp->is_directory ? 1 : 0);
|
---|
711 |
|
---|
712 | if (flags & EXTENDED_RESPONSE_REQUIRED) {
|
---|
713 | uint32 perms = 0;
|
---|
714 | p += 25;
|
---|
715 | if (fsp->is_directory ||
|
---|
716 | can_write_to_file(conn, smb_fname)) {
|
---|
717 | perms = FILE_GENERIC_ALL;
|
---|
718 | } else {
|
---|
719 | perms = FILE_GENERIC_READ|FILE_EXECUTE;
|
---|
720 | }
|
---|
721 | SIVAL(p,0,perms);
|
---|
722 | }
|
---|
723 |
|
---|
724 | DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
|
---|
725 | fsp->fnum, smb_fname_str_dbg(smb_fname)));
|
---|
726 |
|
---|
727 | chain_reply(req);
|
---|
728 | out:
|
---|
729 | END_PROFILE(SMBntcreateX);
|
---|
730 | return;
|
---|
731 | }
|
---|
732 |
|
---|
733 | /****************************************************************************
|
---|
734 | Reply to a NT_TRANSACT_CREATE call to open a pipe.
|
---|
735 | ****************************************************************************/
|
---|
736 |
|
---|
737 | static void do_nt_transact_create_pipe(connection_struct *conn,
|
---|
738 | struct smb_request *req,
|
---|
739 | uint16 **ppsetup, uint32 setup_count,
|
---|
740 | char **ppparams, uint32 parameter_count,
|
---|
741 | char **ppdata, uint32 data_count)
|
---|
742 | {
|
---|
743 | char *fname = NULL;
|
---|
744 | char *params = *ppparams;
|
---|
745 | int pnum = -1;
|
---|
746 | char *p = NULL;
|
---|
747 | NTSTATUS status;
|
---|
748 | size_t param_len;
|
---|
749 | uint32 flags;
|
---|
750 | TALLOC_CTX *ctx = talloc_tos();
|
---|
751 |
|
---|
752 | /*
|
---|
753 | * Ensure minimum number of parameters sent.
|
---|
754 | */
|
---|
755 |
|
---|
756 | if(parameter_count < 54) {
|
---|
757 | DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
|
---|
758 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
759 | return;
|
---|
760 | }
|
---|
761 |
|
---|
762 | flags = IVAL(params,0);
|
---|
763 |
|
---|
764 | srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
|
---|
765 | parameter_count-53, STR_TERMINATE,
|
---|
766 | &status);
|
---|
767 | if (!NT_STATUS_IS_OK(status)) {
|
---|
768 | reply_nterror(req, status);
|
---|
769 | return;
|
---|
770 | }
|
---|
771 |
|
---|
772 | nt_open_pipe(fname, conn, req, &pnum);
|
---|
773 |
|
---|
774 | if (req->outbuf) {
|
---|
775 | /* Error return */
|
---|
776 | return;
|
---|
777 | }
|
---|
778 |
|
---|
779 | /* Realloc the size of parameters and data we will return */
|
---|
780 | if (flags & EXTENDED_RESPONSE_REQUIRED) {
|
---|
781 | /* Extended response is 32 more byyes. */
|
---|
782 | param_len = 101;
|
---|
783 | } else {
|
---|
784 | param_len = 69;
|
---|
785 | }
|
---|
786 | params = nttrans_realloc(ppparams, param_len);
|
---|
787 | if(params == NULL) {
|
---|
788 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
789 | return;
|
---|
790 | }
|
---|
791 |
|
---|
792 | p = params;
|
---|
793 | SCVAL(p,0,NO_OPLOCK_RETURN);
|
---|
794 |
|
---|
795 | p += 2;
|
---|
796 | SSVAL(p,0,pnum);
|
---|
797 | p += 2;
|
---|
798 | SIVAL(p,0,FILE_WAS_OPENED);
|
---|
799 | p += 8;
|
---|
800 |
|
---|
801 | p += 32;
|
---|
802 | SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
|
---|
803 | p += 20;
|
---|
804 | /* File type. */
|
---|
805 | SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
|
---|
806 | /* Device state. */
|
---|
807 | SSVAL(p,2, 0x5FF); /* ? */
|
---|
808 | p += 4;
|
---|
809 |
|
---|
810 | if (flags & EXTENDED_RESPONSE_REQUIRED) {
|
---|
811 | p += 25;
|
---|
812 | SIVAL(p,0,FILE_GENERIC_ALL);
|
---|
813 | /*
|
---|
814 | * For pipes W2K3 seems to return
|
---|
815 | * 0x12019B next.
|
---|
816 | * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
|
---|
817 | */
|
---|
818 | SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
|
---|
819 | }
|
---|
820 |
|
---|
821 | DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
|
---|
822 |
|
---|
823 | /* Send the required number of replies */
|
---|
824 | send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
|
---|
825 |
|
---|
826 | return;
|
---|
827 | }
|
---|
828 |
|
---|
829 | /*********************************************************************
|
---|
830 | Windows seems to do canonicalization of inheritance bits. Do the
|
---|
831 | same.
|
---|
832 | *********************************************************************/
|
---|
833 |
|
---|
834 | static void canonicalize_inheritance_bits(struct security_descriptor *psd)
|
---|
835 | {
|
---|
836 | bool set_auto_inherited = false;
|
---|
837 |
|
---|
838 | /*
|
---|
839 | * We need to filter out the
|
---|
840 | * SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ
|
---|
841 | * bits. If both are set we store SEC_DESC_DACL_AUTO_INHERITED
|
---|
842 | * as this alters whether SEC_ACE_FLAG_INHERITED_ACE is set
|
---|
843 | * when an ACE is inherited. Otherwise we zero these bits out.
|
---|
844 | * See:
|
---|
845 | *
|
---|
846 | * http://social.msdn.microsoft.com/Forums/eu/os_fileservices/thread/11f77b68-731e-407d-b1b3-064750716531
|
---|
847 | *
|
---|
848 | * for details.
|
---|
849 | */
|
---|
850 |
|
---|
851 | if ((psd->type & (SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ))
|
---|
852 | == (SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ)) {
|
---|
853 | set_auto_inherited = true;
|
---|
854 | }
|
---|
855 |
|
---|
856 | psd->type &= ~(SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ);
|
---|
857 | if (set_auto_inherited) {
|
---|
858 | psd->type |= SEC_DESC_DACL_AUTO_INHERITED;
|
---|
859 | }
|
---|
860 | }
|
---|
861 |
|
---|
862 | /****************************************************************************
|
---|
863 | Internal fn to set security descriptors.
|
---|
864 | ****************************************************************************/
|
---|
865 |
|
---|
866 | NTSTATUS set_sd(files_struct *fsp, struct security_descriptor *psd,
|
---|
867 | uint32_t security_info_sent)
|
---|
868 | {
|
---|
869 | NTSTATUS status;
|
---|
870 |
|
---|
871 | if (!CAN_WRITE(fsp->conn)) {
|
---|
872 | return NT_STATUS_ACCESS_DENIED;
|
---|
873 | }
|
---|
874 |
|
---|
875 | if (!lp_nt_acl_support(SNUM(fsp->conn))) {
|
---|
876 | return NT_STATUS_OK;
|
---|
877 | }
|
---|
878 |
|
---|
879 | if (psd->owner_sid == NULL) {
|
---|
880 | security_info_sent &= ~SECINFO_OWNER;
|
---|
881 | }
|
---|
882 | if (psd->group_sid == NULL) {
|
---|
883 | security_info_sent &= ~SECINFO_GROUP;
|
---|
884 | }
|
---|
885 |
|
---|
886 | /* Ensure we have at least one thing set. */
|
---|
887 | if ((security_info_sent & (SECINFO_OWNER|SECINFO_GROUP|SECINFO_DACL|SECINFO_SACL)) == 0) {
|
---|
888 | if (security_info_sent & SECINFO_LABEL) {
|
---|
889 | /* Only consider SECINFO_LABEL if no other
|
---|
890 | bits are set. Just like W2K3 we don't
|
---|
891 | store this. */
|
---|
892 | return NT_STATUS_OK;
|
---|
893 | }
|
---|
894 | return NT_STATUS_INVALID_PARAMETER;
|
---|
895 | }
|
---|
896 |
|
---|
897 | /* Ensure we have the rights to do this. */
|
---|
898 | if (security_info_sent & SECINFO_OWNER) {
|
---|
899 | if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
|
---|
900 | return NT_STATUS_ACCESS_DENIED;
|
---|
901 | }
|
---|
902 | }
|
---|
903 |
|
---|
904 | if (security_info_sent & SECINFO_GROUP) {
|
---|
905 | if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
|
---|
906 | return NT_STATUS_ACCESS_DENIED;
|
---|
907 | }
|
---|
908 | }
|
---|
909 |
|
---|
910 | if (security_info_sent & SECINFO_DACL) {
|
---|
911 | if (!(fsp->access_mask & SEC_STD_WRITE_DAC)) {
|
---|
912 | return NT_STATUS_ACCESS_DENIED;
|
---|
913 | }
|
---|
914 | /* Convert all the generic bits. */
|
---|
915 | if (psd->dacl) {
|
---|
916 | security_acl_map_generic(psd->dacl, &file_generic_mapping);
|
---|
917 | }
|
---|
918 | }
|
---|
919 |
|
---|
920 | if (security_info_sent & SECINFO_SACL) {
|
---|
921 | if (!(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
|
---|
922 | return NT_STATUS_ACCESS_DENIED;
|
---|
923 | }
|
---|
924 | /* Convert all the generic bits. */
|
---|
925 | if (psd->sacl) {
|
---|
926 | security_acl_map_generic(psd->sacl, &file_generic_mapping);
|
---|
927 | }
|
---|
928 | }
|
---|
929 |
|
---|
930 | canonicalize_inheritance_bits(psd);
|
---|
931 |
|
---|
932 | if (DEBUGLEVEL >= 10) {
|
---|
933 | DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
|
---|
934 | NDR_PRINT_DEBUG(security_descriptor, psd);
|
---|
935 | }
|
---|
936 |
|
---|
937 | status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
|
---|
938 |
|
---|
939 | TALLOC_FREE(psd);
|
---|
940 |
|
---|
941 | return status;
|
---|
942 | }
|
---|
943 |
|
---|
944 | /****************************************************************************
|
---|
945 | Internal fn to set security descriptors from a data blob.
|
---|
946 | ****************************************************************************/
|
---|
947 |
|
---|
948 | NTSTATUS set_sd_blob(files_struct *fsp, uint8_t *data, uint32_t sd_len,
|
---|
949 | uint32_t security_info_sent)
|
---|
950 | {
|
---|
951 | struct security_descriptor *psd = NULL;
|
---|
952 | NTSTATUS status;
|
---|
953 |
|
---|
954 | if (sd_len == 0) {
|
---|
955 | return NT_STATUS_INVALID_PARAMETER;
|
---|
956 | }
|
---|
957 |
|
---|
958 | status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
|
---|
959 |
|
---|
960 | if (!NT_STATUS_IS_OK(status)) {
|
---|
961 | return status;
|
---|
962 | }
|
---|
963 |
|
---|
964 | return set_sd(fsp, psd, security_info_sent);
|
---|
965 | }
|
---|
966 |
|
---|
967 | /****************************************************************************
|
---|
968 | Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
|
---|
969 | ****************************************************************************/
|
---|
970 |
|
---|
971 | struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
|
---|
972 | {
|
---|
973 | struct ea_list *ea_list_head = NULL;
|
---|
974 | size_t offset = 0;
|
---|
975 |
|
---|
976 | if (data_size < 4) {
|
---|
977 | return NULL;
|
---|
978 | }
|
---|
979 |
|
---|
980 | while (offset + 4 <= data_size) {
|
---|
981 | size_t next_offset = IVAL(pdata,offset);
|
---|
982 | struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
|
---|
983 |
|
---|
984 | if (!eal) {
|
---|
985 | return NULL;
|
---|
986 | }
|
---|
987 |
|
---|
988 | DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
|
---|
989 | if (next_offset == 0) {
|
---|
990 | break;
|
---|
991 | }
|
---|
992 | offset += next_offset;
|
---|
993 | }
|
---|
994 |
|
---|
995 | return ea_list_head;
|
---|
996 | }
|
---|
997 |
|
---|
998 | /****************************************************************************
|
---|
999 | Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
|
---|
1000 | ****************************************************************************/
|
---|
1001 |
|
---|
1002 | static void call_nt_transact_create(connection_struct *conn,
|
---|
1003 | struct smb_request *req,
|
---|
1004 | uint16 **ppsetup, uint32 setup_count,
|
---|
1005 | char **ppparams, uint32 parameter_count,
|
---|
1006 | char **ppdata, uint32 data_count,
|
---|
1007 | uint32 max_data_count)
|
---|
1008 | {
|
---|
1009 | struct smb_filename *smb_fname = NULL;
|
---|
1010 | char *fname = NULL;
|
---|
1011 | char *params = *ppparams;
|
---|
1012 | char *data = *ppdata;
|
---|
1013 | /* Breakout the oplock request bits so we can set the reply bits separately. */
|
---|
1014 | uint32 fattr=0;
|
---|
1015 | SMB_OFF_T file_len = 0;
|
---|
1016 | int info = 0;
|
---|
1017 | files_struct *fsp = NULL;
|
---|
1018 | char *p = NULL;
|
---|
1019 | uint32 flags;
|
---|
1020 | uint32 access_mask;
|
---|
1021 | uint32 file_attributes;
|
---|
1022 | uint32 share_access;
|
---|
1023 | uint32 create_disposition;
|
---|
1024 | uint32 create_options;
|
---|
1025 | uint32 sd_len;
|
---|
1026 | struct security_descriptor *sd = NULL;
|
---|
1027 | uint32 ea_len;
|
---|
1028 | uint16 root_dir_fid;
|
---|
1029 | struct timespec create_timespec;
|
---|
1030 | struct timespec c_timespec;
|
---|
1031 | struct timespec a_timespec;
|
---|
1032 | struct timespec m_timespec;
|
---|
1033 | struct timespec write_time_ts;
|
---|
1034 | struct ea_list *ea_list = NULL;
|
---|
1035 | NTSTATUS status;
|
---|
1036 | size_t param_len;
|
---|
1037 | uint64_t allocation_size;
|
---|
1038 | int oplock_request;
|
---|
1039 | uint8_t oplock_granted;
|
---|
1040 | struct case_semantics_state *case_state = NULL;
|
---|
1041 | TALLOC_CTX *ctx = talloc_tos();
|
---|
1042 |
|
---|
1043 | DEBUG(5,("call_nt_transact_create\n"));
|
---|
1044 |
|
---|
1045 | /*
|
---|
1046 | * If it's an IPC, use the pipe handler.
|
---|
1047 | */
|
---|
1048 |
|
---|
1049 | if (IS_IPC(conn)) {
|
---|
1050 | if (lp_nt_pipe_support()) {
|
---|
1051 | do_nt_transact_create_pipe(
|
---|
1052 | conn, req,
|
---|
1053 | ppsetup, setup_count,
|
---|
1054 | ppparams, parameter_count,
|
---|
1055 | ppdata, data_count);
|
---|
1056 | goto out;
|
---|
1057 | }
|
---|
1058 | reply_nterror(req, NT_STATUS_ACCESS_DENIED);
|
---|
1059 | goto out;
|
---|
1060 | }
|
---|
1061 |
|
---|
1062 | /*
|
---|
1063 | * Ensure minimum number of parameters sent.
|
---|
1064 | */
|
---|
1065 |
|
---|
1066 | if(parameter_count < 54) {
|
---|
1067 | DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
|
---|
1068 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
1069 | goto out;
|
---|
1070 | }
|
---|
1071 |
|
---|
1072 | flags = IVAL(params,0);
|
---|
1073 | access_mask = IVAL(params,8);
|
---|
1074 | file_attributes = IVAL(params,20);
|
---|
1075 | share_access = IVAL(params,24);
|
---|
1076 | create_disposition = IVAL(params,28);
|
---|
1077 | create_options = IVAL(params,32);
|
---|
1078 | sd_len = IVAL(params,36);
|
---|
1079 | ea_len = IVAL(params,40);
|
---|
1080 | root_dir_fid = (uint16)IVAL(params,4);
|
---|
1081 | allocation_size = BVAL(params,12);
|
---|
1082 |
|
---|
1083 | /*
|
---|
1084 | * we need to remove ignored bits when they come directly from the client
|
---|
1085 | * because we reuse some of them for internal stuff
|
---|
1086 | */
|
---|
1087 | create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
|
---|
1088 |
|
---|
1089 | /* Ensure the data_len is correct for the sd and ea values given. */
|
---|
1090 | if ((ea_len + sd_len > data_count)
|
---|
1091 | || (ea_len > data_count) || (sd_len > data_count)
|
---|
1092 | || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
|
---|
1093 | DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
|
---|
1094 | "%u, data_count = %u\n", (unsigned int)ea_len,
|
---|
1095 | (unsigned int)sd_len, (unsigned int)data_count));
|
---|
1096 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
1097 | goto out;
|
---|
1098 | }
|
---|
1099 |
|
---|
1100 | if (sd_len) {
|
---|
1101 | DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
|
---|
1102 | sd_len));
|
---|
1103 |
|
---|
1104 | status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
|
---|
1105 | &sd);
|
---|
1106 | if (!NT_STATUS_IS_OK(status)) {
|
---|
1107 | DEBUG(10, ("call_nt_transact_create: "
|
---|
1108 | "unmarshall_sec_desc failed: %s\n",
|
---|
1109 | nt_errstr(status)));
|
---|
1110 | reply_nterror(req, status);
|
---|
1111 | goto out;
|
---|
1112 | }
|
---|
1113 | }
|
---|
1114 |
|
---|
1115 | if (ea_len) {
|
---|
1116 | if (!lp_ea_support(SNUM(conn))) {
|
---|
1117 | DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
|
---|
1118 | "EA's not supported.\n",
|
---|
1119 | (unsigned int)ea_len));
|
---|
1120 | reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
|
---|
1121 | goto out;
|
---|
1122 | }
|
---|
1123 |
|
---|
1124 | if (ea_len < 10) {
|
---|
1125 | DEBUG(10,("call_nt_transact_create - ea_len = %u - "
|
---|
1126 | "too small (should be more than 10)\n",
|
---|
1127 | (unsigned int)ea_len ));
|
---|
1128 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
1129 | goto out;
|
---|
1130 | }
|
---|
1131 |
|
---|
1132 | /* We have already checked that ea_len <= data_count here. */
|
---|
1133 | ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
|
---|
1134 | ea_len);
|
---|
1135 | if (ea_list == NULL) {
|
---|
1136 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
1137 | goto out;
|
---|
1138 | }
|
---|
1139 | }
|
---|
1140 |
|
---|
1141 | srvstr_get_path(ctx, params, req->flags2, &fname,
|
---|
1142 | params+53, parameter_count-53,
|
---|
1143 | STR_TERMINATE, &status);
|
---|
1144 | if (!NT_STATUS_IS_OK(status)) {
|
---|
1145 | reply_nterror(req, status);
|
---|
1146 | goto out;
|
---|
1147 | }
|
---|
1148 |
|
---|
1149 | if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
|
---|
1150 | case_state = set_posix_case_semantics(ctx, conn);
|
---|
1151 | if (!case_state) {
|
---|
1152 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
1153 | goto out;
|
---|
1154 | }
|
---|
1155 | }
|
---|
1156 |
|
---|
1157 | status = filename_convert(ctx,
|
---|
1158 | conn,
|
---|
1159 | req->flags2 & FLAGS2_DFS_PATHNAMES,
|
---|
1160 | fname,
|
---|
1161 | 0,
|
---|
1162 | NULL,
|
---|
1163 | &smb_fname);
|
---|
1164 |
|
---|
1165 | TALLOC_FREE(case_state);
|
---|
1166 |
|
---|
1167 | if (!NT_STATUS_IS_OK(status)) {
|
---|
1168 | if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
|
---|
1169 | reply_botherror(req,
|
---|
1170 | NT_STATUS_PATH_NOT_COVERED,
|
---|
1171 | ERRSRV, ERRbadpath);
|
---|
1172 | goto out;
|
---|
1173 | }
|
---|
1174 | reply_nterror(req, status);
|
---|
1175 | goto out;
|
---|
1176 | }
|
---|
1177 |
|
---|
1178 | oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
|
---|
1179 | if (oplock_request) {
|
---|
1180 | oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
|
---|
1181 | ? BATCH_OPLOCK : 0;
|
---|
1182 | }
|
---|
1183 |
|
---|
1184 | /*
|
---|
1185 | * Bug #6898 - clients using Windows opens should
|
---|
1186 | * never be able to set this attribute into the
|
---|
1187 | * VFS.
|
---|
1188 | */
|
---|
1189 | file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
|
---|
1190 |
|
---|
1191 | status = SMB_VFS_CREATE_FILE(
|
---|
1192 | conn, /* conn */
|
---|
1193 | req, /* req */
|
---|
1194 | root_dir_fid, /* root_dir_fid */
|
---|
1195 | smb_fname, /* fname */
|
---|
1196 | access_mask, /* access_mask */
|
---|
1197 | share_access, /* share_access */
|
---|
1198 | create_disposition, /* create_disposition*/
|
---|
1199 | create_options, /* create_options */
|
---|
1200 | file_attributes, /* file_attributes */
|
---|
1201 | oplock_request, /* oplock_request */
|
---|
1202 | allocation_size, /* allocation_size */
|
---|
1203 | 0, /* private_flags */
|
---|
1204 | sd, /* sd */
|
---|
1205 | ea_list, /* ea_list */
|
---|
1206 | &fsp, /* result */
|
---|
1207 | &info); /* pinfo */
|
---|
1208 |
|
---|
1209 | if(!NT_STATUS_IS_OK(status)) {
|
---|
1210 | if (open_was_deferred(req->mid)) {
|
---|
1211 | /* We have re-scheduled this call, no error. */
|
---|
1212 | return;
|
---|
1213 | }
|
---|
1214 | reply_openerror(req, status);
|
---|
1215 | goto out;
|
---|
1216 | }
|
---|
1217 |
|
---|
1218 | /* Ensure we're pointing at the correct stat struct. */
|
---|
1219 | TALLOC_FREE(smb_fname);
|
---|
1220 | smb_fname = fsp->fsp_name;
|
---|
1221 |
|
---|
1222 | /*
|
---|
1223 | * If the caller set the extended oplock request bit
|
---|
1224 | * and we granted one (by whatever means) - set the
|
---|
1225 | * correct bit for extended oplock reply.
|
---|
1226 | */
|
---|
1227 |
|
---|
1228 | if (oplock_request &&
|
---|
1229 | (lp_fake_oplocks(SNUM(conn))
|
---|
1230 | || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
|
---|
1231 |
|
---|
1232 | /*
|
---|
1233 | * Exclusive oplock granted
|
---|
1234 | */
|
---|
1235 |
|
---|
1236 | if (flags & REQUEST_BATCH_OPLOCK) {
|
---|
1237 | oplock_granted = BATCH_OPLOCK_RETURN;
|
---|
1238 | } else {
|
---|
1239 | oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
|
---|
1240 | }
|
---|
1241 | } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
|
---|
1242 | oplock_granted = LEVEL_II_OPLOCK_RETURN;
|
---|
1243 | } else {
|
---|
1244 | oplock_granted = NO_OPLOCK_RETURN;
|
---|
1245 | }
|
---|
1246 |
|
---|
1247 | file_len = smb_fname->st.st_ex_size;
|
---|
1248 |
|
---|
1249 | /* Realloc the size of parameters and data we will return */
|
---|
1250 | if (flags & EXTENDED_RESPONSE_REQUIRED) {
|
---|
1251 | /* Extended response is 32 more byyes. */
|
---|
1252 | param_len = 101;
|
---|
1253 | } else {
|
---|
1254 | param_len = 69;
|
---|
1255 | }
|
---|
1256 | params = nttrans_realloc(ppparams, param_len);
|
---|
1257 | if(params == NULL) {
|
---|
1258 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
1259 | goto out;
|
---|
1260 | }
|
---|
1261 |
|
---|
1262 | p = params;
|
---|
1263 | SCVAL(p, 0, oplock_granted);
|
---|
1264 |
|
---|
1265 | p += 2;
|
---|
1266 | SSVAL(p,0,fsp->fnum);
|
---|
1267 | p += 2;
|
---|
1268 | if ((create_disposition == FILE_SUPERSEDE)
|
---|
1269 | && (info == FILE_WAS_OVERWRITTEN)) {
|
---|
1270 | SIVAL(p,0,FILE_WAS_SUPERSEDED);
|
---|
1271 | } else {
|
---|
1272 | SIVAL(p,0,info);
|
---|
1273 | }
|
---|
1274 | p += 8;
|
---|
1275 |
|
---|
1276 | fattr = dos_mode(conn, smb_fname);
|
---|
1277 | if (fattr == 0) {
|
---|
1278 | fattr = FILE_ATTRIBUTE_NORMAL;
|
---|
1279 | }
|
---|
1280 |
|
---|
1281 | /* Deal with other possible opens having a modified
|
---|
1282 | write time. JRA. */
|
---|
1283 | ZERO_STRUCT(write_time_ts);
|
---|
1284 | get_file_infos(fsp->file_id, 0, NULL, &write_time_ts);
|
---|
1285 | if (!null_timespec(write_time_ts)) {
|
---|
1286 | update_stat_ex_mtime(&smb_fname->st, write_time_ts);
|
---|
1287 | }
|
---|
1288 |
|
---|
1289 | /* Create time. */
|
---|
1290 | create_timespec = get_create_timespec(conn, fsp, smb_fname);
|
---|
1291 | a_timespec = smb_fname->st.st_ex_atime;
|
---|
1292 | m_timespec = smb_fname->st.st_ex_mtime;
|
---|
1293 | c_timespec = get_change_timespec(conn, fsp, smb_fname);
|
---|
1294 |
|
---|
1295 | if (lp_dos_filetime_resolution(SNUM(conn))) {
|
---|
1296 | dos_filetime_timespec(&create_timespec);
|
---|
1297 | dos_filetime_timespec(&a_timespec);
|
---|
1298 | dos_filetime_timespec(&m_timespec);
|
---|
1299 | dos_filetime_timespec(&c_timespec);
|
---|
1300 | }
|
---|
1301 |
|
---|
1302 | put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
|
---|
1303 | p += 8;
|
---|
1304 | put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
|
---|
1305 | p += 8;
|
---|
1306 | put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
|
---|
1307 | p += 8;
|
---|
1308 | put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
|
---|
1309 | p += 8;
|
---|
1310 | SIVAL(p,0,fattr); /* File Attributes. */
|
---|
1311 | p += 4;
|
---|
1312 | SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
|
---|
1313 | p += 8;
|
---|
1314 | SOFF_T(p,0,file_len);
|
---|
1315 | p += 8;
|
---|
1316 | if (flags & EXTENDED_RESPONSE_REQUIRED) {
|
---|
1317 | uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
|
---|
1318 | size_t num_names = 0;
|
---|
1319 | unsigned int num_streams = 0;
|
---|
1320 | struct stream_struct *streams = NULL;
|
---|
1321 |
|
---|
1322 | /* Do we have any EA's ? */
|
---|
1323 | status = get_ea_names_from_file(ctx, conn, fsp,
|
---|
1324 | smb_fname->base_name, NULL, &num_names);
|
---|
1325 | if (NT_STATUS_IS_OK(status) && num_names) {
|
---|
1326 | file_status &= ~NO_EAS;
|
---|
1327 | }
|
---|
1328 | status = vfs_streaminfo(conn, NULL, smb_fname->base_name, ctx,
|
---|
1329 | &num_streams, &streams);
|
---|
1330 | /* There is always one stream, ::$DATA. */
|
---|
1331 | if (NT_STATUS_IS_OK(status) && num_streams > 1) {
|
---|
1332 | file_status &= ~NO_SUBSTREAMS;
|
---|
1333 | }
|
---|
1334 | TALLOC_FREE(streams);
|
---|
1335 | SSVAL(p,2,file_status);
|
---|
1336 | }
|
---|
1337 | p += 4;
|
---|
1338 | SCVAL(p,0,fsp->is_directory ? 1 : 0);
|
---|
1339 |
|
---|
1340 | if (flags & EXTENDED_RESPONSE_REQUIRED) {
|
---|
1341 | uint32 perms = 0;
|
---|
1342 | p += 25;
|
---|
1343 | if (fsp->is_directory ||
|
---|
1344 | can_write_to_file(conn, smb_fname)) {
|
---|
1345 | perms = FILE_GENERIC_ALL;
|
---|
1346 | } else {
|
---|
1347 | perms = FILE_GENERIC_READ|FILE_EXECUTE;
|
---|
1348 | }
|
---|
1349 | SIVAL(p,0,perms);
|
---|
1350 | }
|
---|
1351 |
|
---|
1352 | DEBUG(5,("call_nt_transact_create: open name = %s\n",
|
---|
1353 | smb_fname_str_dbg(smb_fname)));
|
---|
1354 |
|
---|
1355 | /* Send the required number of replies */
|
---|
1356 | send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
|
---|
1357 | out:
|
---|
1358 | return;
|
---|
1359 | }
|
---|
1360 |
|
---|
1361 | /****************************************************************************
|
---|
1362 | Reply to a NT CANCEL request.
|
---|
1363 | conn POINTER CAN BE NULL HERE !
|
---|
1364 | ****************************************************************************/
|
---|
1365 |
|
---|
1366 | void reply_ntcancel(struct smb_request *req)
|
---|
1367 | {
|
---|
1368 | /*
|
---|
1369 | * Go through and cancel any pending change notifies.
|
---|
1370 | */
|
---|
1371 |
|
---|
1372 | START_PROFILE(SMBntcancel);
|
---|
1373 | srv_cancel_sign_response(req->sconn);
|
---|
1374 | remove_pending_change_notify_requests_by_mid(req->sconn, req->mid);
|
---|
1375 | remove_pending_lock_requests_by_mid_smb1(req->sconn, req->mid);
|
---|
1376 |
|
---|
1377 | DEBUG(3,("reply_ntcancel: cancel called on mid = %llu.\n",
|
---|
1378 | (unsigned long long)req->mid));
|
---|
1379 |
|
---|
1380 | END_PROFILE(SMBntcancel);
|
---|
1381 | return;
|
---|
1382 | }
|
---|
1383 |
|
---|
1384 | /****************************************************************************
|
---|
1385 | Copy a file.
|
---|
1386 | ****************************************************************************/
|
---|
1387 |
|
---|
1388 | static NTSTATUS copy_internals(TALLOC_CTX *ctx,
|
---|
1389 | connection_struct *conn,
|
---|
1390 | struct smb_request *req,
|
---|
1391 | struct smb_filename *smb_fname_src,
|
---|
1392 | struct smb_filename *smb_fname_dst,
|
---|
1393 | uint32 attrs)
|
---|
1394 | {
|
---|
1395 | files_struct *fsp1,*fsp2;
|
---|
1396 | uint32 fattr;
|
---|
1397 | int info;
|
---|
1398 | SMB_OFF_T ret=-1;
|
---|
1399 | NTSTATUS status = NT_STATUS_OK;
|
---|
1400 | char *parent;
|
---|
1401 |
|
---|
1402 | if (!CAN_WRITE(conn)) {
|
---|
1403 | status = NT_STATUS_MEDIA_WRITE_PROTECTED;
|
---|
1404 | goto out;
|
---|
1405 | }
|
---|
1406 |
|
---|
1407 | /* Source must already exist. */
|
---|
1408 | if (!VALID_STAT(smb_fname_src->st)) {
|
---|
1409 | status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
|
---|
1410 | goto out;
|
---|
1411 | }
|
---|
1412 |
|
---|
1413 | /* Ensure attributes match. */
|
---|
1414 | fattr = dos_mode(conn, smb_fname_src);
|
---|
1415 | if ((fattr & ~attrs) & (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)) {
|
---|
1416 | status = NT_STATUS_NO_SUCH_FILE;
|
---|
1417 | goto out;
|
---|
1418 | }
|
---|
1419 |
|
---|
1420 | /* Disallow if dst file already exists. */
|
---|
1421 | if (VALID_STAT(smb_fname_dst->st)) {
|
---|
1422 | status = NT_STATUS_OBJECT_NAME_COLLISION;
|
---|
1423 | goto out;
|
---|
1424 | }
|
---|
1425 |
|
---|
1426 | /* No links from a directory. */
|
---|
1427 | if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
|
---|
1428 | status = NT_STATUS_FILE_IS_A_DIRECTORY;
|
---|
1429 | goto out;
|
---|
1430 | }
|
---|
1431 |
|
---|
1432 | DEBUG(10,("copy_internals: doing file copy %s to %s\n",
|
---|
1433 | smb_fname_str_dbg(smb_fname_src),
|
---|
1434 | smb_fname_str_dbg(smb_fname_dst)));
|
---|
1435 |
|
---|
1436 | status = SMB_VFS_CREATE_FILE(
|
---|
1437 | conn, /* conn */
|
---|
1438 | req, /* req */
|
---|
1439 | 0, /* root_dir_fid */
|
---|
1440 | smb_fname_src, /* fname */
|
---|
1441 | FILE_READ_DATA|FILE_READ_ATTRIBUTES|
|
---|
1442 | FILE_READ_EA, /* access_mask */
|
---|
1443 | (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
|
---|
1444 | FILE_SHARE_DELETE),
|
---|
1445 | FILE_OPEN, /* create_disposition*/
|
---|
1446 | 0, /* create_options */
|
---|
1447 | FILE_ATTRIBUTE_NORMAL, /* file_attributes */
|
---|
1448 | NO_OPLOCK, /* oplock_request */
|
---|
1449 | 0, /* allocation_size */
|
---|
1450 | 0, /* private_flags */
|
---|
1451 | NULL, /* sd */
|
---|
1452 | NULL, /* ea_list */
|
---|
1453 | &fsp1, /* result */
|
---|
1454 | &info); /* pinfo */
|
---|
1455 |
|
---|
1456 | if (!NT_STATUS_IS_OK(status)) {
|
---|
1457 | goto out;
|
---|
1458 | }
|
---|
1459 |
|
---|
1460 | status = SMB_VFS_CREATE_FILE(
|
---|
1461 | conn, /* conn */
|
---|
1462 | req, /* req */
|
---|
1463 | 0, /* root_dir_fid */
|
---|
1464 | smb_fname_dst, /* fname */
|
---|
1465 | FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES|
|
---|
1466 | FILE_WRITE_EA, /* access_mask */
|
---|
1467 | (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
|
---|
1468 | FILE_SHARE_DELETE),
|
---|
1469 | FILE_CREATE, /* create_disposition*/
|
---|
1470 | 0, /* create_options */
|
---|
1471 | fattr, /* file_attributes */
|
---|
1472 | NO_OPLOCK, /* oplock_request */
|
---|
1473 | 0, /* allocation_size */
|
---|
1474 | 0, /* private_flags */
|
---|
1475 | NULL, /* sd */
|
---|
1476 | NULL, /* ea_list */
|
---|
1477 | &fsp2, /* result */
|
---|
1478 | &info); /* pinfo */
|
---|
1479 |
|
---|
1480 | if (!NT_STATUS_IS_OK(status)) {
|
---|
1481 | close_file(NULL, fsp1, ERROR_CLOSE);
|
---|
1482 | goto out;
|
---|
1483 | }
|
---|
1484 |
|
---|
1485 | if (smb_fname_src->st.st_ex_size) {
|
---|
1486 | ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
|
---|
1487 | }
|
---|
1488 |
|
---|
1489 | /*
|
---|
1490 | * As we are opening fsp1 read-only we only expect
|
---|
1491 | * an error on close on fsp2 if we are out of space.
|
---|
1492 | * Thus we don't look at the error return from the
|
---|
1493 | * close of fsp1.
|
---|
1494 | */
|
---|
1495 | close_file(NULL, fsp1, NORMAL_CLOSE);
|
---|
1496 |
|
---|
1497 | /* Ensure the modtime is set correctly on the destination file. */
|
---|
1498 | set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
|
---|
1499 |
|
---|
1500 | status = close_file(NULL, fsp2, NORMAL_CLOSE);
|
---|
1501 |
|
---|
1502 | /* Grrr. We have to do this as open_file_ntcreate adds FILE_ATTRIBUTE_ARCHIVE when it
|
---|
1503 | creates the file. This isn't the correct thing to do in the copy
|
---|
1504 | case. JRA */
|
---|
1505 | if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
|
---|
1506 | NULL)) {
|
---|
1507 | status = NT_STATUS_NO_MEMORY;
|
---|
1508 | goto out;
|
---|
1509 | }
|
---|
1510 | file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
|
---|
1511 | TALLOC_FREE(parent);
|
---|
1512 |
|
---|
1513 | if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
|
---|
1514 | status = NT_STATUS_DISK_FULL;
|
---|
1515 | goto out;
|
---|
1516 | }
|
---|
1517 | out:
|
---|
1518 | if (!NT_STATUS_IS_OK(status)) {
|
---|
1519 | DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
|
---|
1520 | nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
|
---|
1521 | smb_fname_str_dbg(smb_fname_dst)));
|
---|
1522 | }
|
---|
1523 |
|
---|
1524 | return status;
|
---|
1525 | }
|
---|
1526 |
|
---|
1527 | /****************************************************************************
|
---|
1528 | Reply to a NT rename request.
|
---|
1529 | ****************************************************************************/
|
---|
1530 |
|
---|
1531 | void reply_ntrename(struct smb_request *req)
|
---|
1532 | {
|
---|
1533 | connection_struct *conn = req->conn;
|
---|
1534 | struct smb_filename *smb_fname_old = NULL;
|
---|
1535 | struct smb_filename *smb_fname_new = NULL;
|
---|
1536 | char *oldname = NULL;
|
---|
1537 | char *newname = NULL;
|
---|
1538 | const char *p;
|
---|
1539 | NTSTATUS status;
|
---|
1540 | bool src_has_wcard = False;
|
---|
1541 | bool dest_has_wcard = False;
|
---|
1542 | uint32 attrs;
|
---|
1543 | uint32_t ucf_flags_src = 0;
|
---|
1544 | uint32_t ucf_flags_dst = 0;
|
---|
1545 | uint16 rename_type;
|
---|
1546 | TALLOC_CTX *ctx = talloc_tos();
|
---|
1547 | bool stream_rename = false;
|
---|
1548 |
|
---|
1549 | START_PROFILE(SMBntrename);
|
---|
1550 |
|
---|
1551 | if (req->wct < 4) {
|
---|
1552 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
1553 | goto out;
|
---|
1554 | }
|
---|
1555 |
|
---|
1556 | attrs = SVAL(req->vwv+0, 0);
|
---|
1557 | rename_type = SVAL(req->vwv+1, 0);
|
---|
1558 |
|
---|
1559 | p = (const char *)req->buf + 1;
|
---|
1560 | p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
|
---|
1561 | &status, &src_has_wcard);
|
---|
1562 | if (!NT_STATUS_IS_OK(status)) {
|
---|
1563 | reply_nterror(req, status);
|
---|
1564 | goto out;
|
---|
1565 | }
|
---|
1566 |
|
---|
1567 | if (ms_has_wild(oldname)) {
|
---|
1568 | reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
|
---|
1569 | goto out;
|
---|
1570 | }
|
---|
1571 |
|
---|
1572 | p++;
|
---|
1573 | p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
|
---|
1574 | &status, &dest_has_wcard);
|
---|
1575 | if (!NT_STATUS_IS_OK(status)) {
|
---|
1576 | reply_nterror(req, status);
|
---|
1577 | goto out;
|
---|
1578 | }
|
---|
1579 |
|
---|
1580 | if (!lp_posix_pathnames()) {
|
---|
1581 | /* The newname must begin with a ':' if the
|
---|
1582 | oldname contains a ':'. */
|
---|
1583 | if (strchr_m(oldname, ':')) {
|
---|
1584 | if (newname[0] != ':') {
|
---|
1585 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
1586 | goto out;
|
---|
1587 | }
|
---|
1588 | stream_rename = true;
|
---|
1589 | }
|
---|
1590 | }
|
---|
1591 |
|
---|
1592 | /*
|
---|
1593 | * If this is a rename operation, allow wildcards and save the
|
---|
1594 | * destination's last component.
|
---|
1595 | */
|
---|
1596 | if (rename_type == RENAME_FLAG_RENAME) {
|
---|
1597 | ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
|
---|
1598 | ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP | UCF_SAVE_LCOMP;
|
---|
1599 | }
|
---|
1600 |
|
---|
1601 | /* rename_internals() calls unix_convert(), so don't call it here. */
|
---|
1602 | status = filename_convert(ctx, conn,
|
---|
1603 | req->flags2 & FLAGS2_DFS_PATHNAMES,
|
---|
1604 | oldname,
|
---|
1605 | ucf_flags_src,
|
---|
1606 | NULL,
|
---|
1607 | &smb_fname_old);
|
---|
1608 | if (!NT_STATUS_IS_OK(status)) {
|
---|
1609 | if (NT_STATUS_EQUAL(status,
|
---|
1610 | NT_STATUS_PATH_NOT_COVERED)) {
|
---|
1611 | reply_botherror(req,
|
---|
1612 | NT_STATUS_PATH_NOT_COVERED,
|
---|
1613 | ERRSRV, ERRbadpath);
|
---|
1614 | goto out;
|
---|
1615 | }
|
---|
1616 | reply_nterror(req, status);
|
---|
1617 | goto out;
|
---|
1618 | }
|
---|
1619 |
|
---|
1620 | status = filename_convert(ctx, conn,
|
---|
1621 | req->flags2 & FLAGS2_DFS_PATHNAMES,
|
---|
1622 | newname,
|
---|
1623 | ucf_flags_dst,
|
---|
1624 | &dest_has_wcard,
|
---|
1625 | &smb_fname_new);
|
---|
1626 | if (!NT_STATUS_IS_OK(status)) {
|
---|
1627 | if (NT_STATUS_EQUAL(status,
|
---|
1628 | NT_STATUS_PATH_NOT_COVERED)) {
|
---|
1629 | reply_botherror(req,
|
---|
1630 | NT_STATUS_PATH_NOT_COVERED,
|
---|
1631 | ERRSRV, ERRbadpath);
|
---|
1632 | goto out;
|
---|
1633 | }
|
---|
1634 | reply_nterror(req, status);
|
---|
1635 | goto out;
|
---|
1636 | }
|
---|
1637 |
|
---|
1638 | if (stream_rename) {
|
---|
1639 | /* smb_fname_new must be the same as smb_fname_old. */
|
---|
1640 | TALLOC_FREE(smb_fname_new->base_name);
|
---|
1641 | smb_fname_new->base_name = talloc_strdup(smb_fname_new,
|
---|
1642 | smb_fname_old->base_name);
|
---|
1643 | if (!smb_fname_new->base_name) {
|
---|
1644 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
1645 | goto out;
|
---|
1646 | }
|
---|
1647 | }
|
---|
1648 |
|
---|
1649 | DEBUG(3,("reply_ntrename: %s -> %s\n",
|
---|
1650 | smb_fname_str_dbg(smb_fname_old),
|
---|
1651 | smb_fname_str_dbg(smb_fname_new)));
|
---|
1652 |
|
---|
1653 | switch(rename_type) {
|
---|
1654 | case RENAME_FLAG_RENAME:
|
---|
1655 | status = rename_internals(ctx, conn, req,
|
---|
1656 | smb_fname_old, smb_fname_new,
|
---|
1657 | attrs, False, src_has_wcard,
|
---|
1658 | dest_has_wcard,
|
---|
1659 | DELETE_ACCESS);
|
---|
1660 | break;
|
---|
1661 | case RENAME_FLAG_HARD_LINK:
|
---|
1662 | if (src_has_wcard || dest_has_wcard) {
|
---|
1663 | /* No wildcards. */
|
---|
1664 | status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
|
---|
1665 | } else {
|
---|
1666 | status = hardlink_internals(ctx, conn,
|
---|
1667 | req,
|
---|
1668 | false,
|
---|
1669 | smb_fname_old,
|
---|
1670 | smb_fname_new);
|
---|
1671 | }
|
---|
1672 | break;
|
---|
1673 | case RENAME_FLAG_COPY:
|
---|
1674 | if (src_has_wcard || dest_has_wcard) {
|
---|
1675 | /* No wildcards. */
|
---|
1676 | status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
|
---|
1677 | } else {
|
---|
1678 | status = copy_internals(ctx, conn, req,
|
---|
1679 | smb_fname_old,
|
---|
1680 | smb_fname_new,
|
---|
1681 | attrs);
|
---|
1682 | }
|
---|
1683 | break;
|
---|
1684 | case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
|
---|
1685 | status = NT_STATUS_INVALID_PARAMETER;
|
---|
1686 | break;
|
---|
1687 | default:
|
---|
1688 | status = NT_STATUS_ACCESS_DENIED; /* Default error. */
|
---|
1689 | break;
|
---|
1690 | }
|
---|
1691 |
|
---|
1692 | if (!NT_STATUS_IS_OK(status)) {
|
---|
1693 | if (open_was_deferred(req->mid)) {
|
---|
1694 | /* We have re-scheduled this call. */
|
---|
1695 | goto out;
|
---|
1696 | }
|
---|
1697 |
|
---|
1698 | reply_nterror(req, status);
|
---|
1699 | goto out;
|
---|
1700 | }
|
---|
1701 |
|
---|
1702 | reply_outbuf(req, 0, 0);
|
---|
1703 | out:
|
---|
1704 | END_PROFILE(SMBntrename);
|
---|
1705 | return;
|
---|
1706 | }
|
---|
1707 |
|
---|
1708 | /****************************************************************************
|
---|
1709 | Reply to a notify change - queue the request and
|
---|
1710 | don't allow a directory to be opened.
|
---|
1711 | ****************************************************************************/
|
---|
1712 |
|
---|
1713 | static void smbd_smb1_notify_reply(struct smb_request *req,
|
---|
1714 | NTSTATUS error_code,
|
---|
1715 | uint8_t *buf, size_t len)
|
---|
1716 | {
|
---|
1717 | send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
|
---|
1718 | }
|
---|
1719 |
|
---|
1720 | static void call_nt_transact_notify_change(connection_struct *conn,
|
---|
1721 | struct smb_request *req,
|
---|
1722 | uint16 **ppsetup,
|
---|
1723 | uint32 setup_count,
|
---|
1724 | char **ppparams,
|
---|
1725 | uint32 parameter_count,
|
---|
1726 | char **ppdata, uint32 data_count,
|
---|
1727 | uint32 max_data_count,
|
---|
1728 | uint32 max_param_count)
|
---|
1729 | {
|
---|
1730 | uint16 *setup = *ppsetup;
|
---|
1731 | files_struct *fsp;
|
---|
1732 | uint32 filter;
|
---|
1733 | NTSTATUS status;
|
---|
1734 | bool recursive;
|
---|
1735 |
|
---|
1736 | if(setup_count < 6) {
|
---|
1737 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
1738 | return;
|
---|
1739 | }
|
---|
1740 |
|
---|
1741 | fsp = file_fsp(req, SVAL(setup,4));
|
---|
1742 | filter = IVAL(setup, 0);
|
---|
1743 | recursive = (SVAL(setup, 6) != 0) ? True : False;
|
---|
1744 |
|
---|
1745 | DEBUG(3,("call_nt_transact_notify_change\n"));
|
---|
1746 |
|
---|
1747 | if(!fsp) {
|
---|
1748 | reply_nterror(req, NT_STATUS_INVALID_HANDLE);
|
---|
1749 | return;
|
---|
1750 | }
|
---|
1751 |
|
---|
1752 | {
|
---|
1753 | char *filter_string;
|
---|
1754 |
|
---|
1755 | if (!(filter_string = notify_filter_string(NULL, filter))) {
|
---|
1756 | reply_nterror(req,NT_STATUS_NO_MEMORY);
|
---|
1757 | return;
|
---|
1758 | }
|
---|
1759 |
|
---|
1760 | DEBUG(3,("call_nt_transact_notify_change: notify change "
|
---|
1761 | "called on %s, filter = %s, recursive = %d\n",
|
---|
1762 | fsp_str_dbg(fsp), filter_string, recursive));
|
---|
1763 |
|
---|
1764 | TALLOC_FREE(filter_string);
|
---|
1765 | }
|
---|
1766 |
|
---|
1767 | if((!fsp->is_directory) || (conn != fsp->conn)) {
|
---|
1768 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
1769 | return;
|
---|
1770 | }
|
---|
1771 |
|
---|
1772 | if (fsp->notify == NULL) {
|
---|
1773 |
|
---|
1774 | status = change_notify_create(fsp, filter, recursive);
|
---|
1775 |
|
---|
1776 | if (!NT_STATUS_IS_OK(status)) {
|
---|
1777 | DEBUG(10, ("change_notify_create returned %s\n",
|
---|
1778 | nt_errstr(status)));
|
---|
1779 | reply_nterror(req, status);
|
---|
1780 | return;
|
---|
1781 | }
|
---|
1782 | }
|
---|
1783 |
|
---|
1784 | if (fsp->notify->num_changes != 0) {
|
---|
1785 |
|
---|
1786 | /*
|
---|
1787 | * We've got changes pending, respond immediately
|
---|
1788 | */
|
---|
1789 |
|
---|
1790 | /*
|
---|
1791 | * TODO: write a torture test to check the filtering behaviour
|
---|
1792 | * here.
|
---|
1793 | */
|
---|
1794 |
|
---|
1795 | change_notify_reply(req,
|
---|
1796 | NT_STATUS_OK,
|
---|
1797 | max_param_count,
|
---|
1798 | fsp->notify,
|
---|
1799 | smbd_smb1_notify_reply);
|
---|
1800 |
|
---|
1801 | /*
|
---|
1802 | * change_notify_reply() above has independently sent its
|
---|
1803 | * results
|
---|
1804 | */
|
---|
1805 | return;
|
---|
1806 | }
|
---|
1807 |
|
---|
1808 | /*
|
---|
1809 | * No changes pending, queue the request
|
---|
1810 | */
|
---|
1811 |
|
---|
1812 | status = change_notify_add_request(req,
|
---|
1813 | max_param_count,
|
---|
1814 | filter,
|
---|
1815 | recursive, fsp,
|
---|
1816 | smbd_smb1_notify_reply);
|
---|
1817 | if (!NT_STATUS_IS_OK(status)) {
|
---|
1818 | reply_nterror(req, status);
|
---|
1819 | }
|
---|
1820 | return;
|
---|
1821 | }
|
---|
1822 |
|
---|
1823 | /****************************************************************************
|
---|
1824 | Reply to an NT transact rename command.
|
---|
1825 | ****************************************************************************/
|
---|
1826 |
|
---|
1827 | static void call_nt_transact_rename(connection_struct *conn,
|
---|
1828 | struct smb_request *req,
|
---|
1829 | uint16 **ppsetup, uint32 setup_count,
|
---|
1830 | char **ppparams, uint32 parameter_count,
|
---|
1831 | char **ppdata, uint32 data_count,
|
---|
1832 | uint32 max_data_count)
|
---|
1833 | {
|
---|
1834 | char *params = *ppparams;
|
---|
1835 | char *new_name = NULL;
|
---|
1836 | files_struct *fsp = NULL;
|
---|
1837 | bool dest_has_wcard = False;
|
---|
1838 | NTSTATUS status;
|
---|
1839 | TALLOC_CTX *ctx = talloc_tos();
|
---|
1840 |
|
---|
1841 | if(parameter_count < 5) {
|
---|
1842 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
1843 | return;
|
---|
1844 | }
|
---|
1845 |
|
---|
1846 | fsp = file_fsp(req, SVAL(params, 0));
|
---|
1847 | if (!check_fsp(conn, req, fsp)) {
|
---|
1848 | return;
|
---|
1849 | }
|
---|
1850 | srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
|
---|
1851 | parameter_count - 4,
|
---|
1852 | STR_TERMINATE, &status, &dest_has_wcard);
|
---|
1853 | if (!NT_STATUS_IS_OK(status)) {
|
---|
1854 | reply_nterror(req, status);
|
---|
1855 | return;
|
---|
1856 | }
|
---|
1857 |
|
---|
1858 | /*
|
---|
1859 | * W2K3 ignores this request as the RAW-RENAME test
|
---|
1860 | * demonstrates, so we do.
|
---|
1861 | */
|
---|
1862 | send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
|
---|
1863 |
|
---|
1864 | DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
|
---|
1865 | fsp_str_dbg(fsp), new_name));
|
---|
1866 |
|
---|
1867 | return;
|
---|
1868 | }
|
---|
1869 |
|
---|
1870 | /******************************************************************************
|
---|
1871 | Fake up a completely empty SD.
|
---|
1872 | *******************************************************************************/
|
---|
1873 |
|
---|
1874 | static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, struct security_descriptor **ppsd)
|
---|
1875 | {
|
---|
1876 | size_t sd_size;
|
---|
1877 |
|
---|
1878 | *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
|
---|
1879 | if(!*ppsd) {
|
---|
1880 | DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
|
---|
1881 | return NT_STATUS_NO_MEMORY;
|
---|
1882 | }
|
---|
1883 |
|
---|
1884 | return NT_STATUS_OK;
|
---|
1885 | }
|
---|
1886 |
|
---|
1887 | /****************************************************************************
|
---|
1888 | Reply to query a security descriptor.
|
---|
1889 | Callable from SMB2 and SMB2.
|
---|
1890 | If it returns NT_STATUS_BUFFER_TOO_SMALL, pdata_size is initialized with
|
---|
1891 | the required size.
|
---|
1892 | ****************************************************************************/
|
---|
1893 |
|
---|
1894 | NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
|
---|
1895 | TALLOC_CTX *mem_ctx,
|
---|
1896 | files_struct *fsp,
|
---|
1897 | uint32_t security_info_wanted,
|
---|
1898 | uint32_t max_data_count,
|
---|
1899 | uint8_t **ppmarshalled_sd,
|
---|
1900 | size_t *psd_size)
|
---|
1901 | {
|
---|
1902 | NTSTATUS status;
|
---|
1903 | struct security_descriptor *psd = NULL;
|
---|
1904 |
|
---|
1905 | /*
|
---|
1906 | * Get the permissions to return.
|
---|
1907 | */
|
---|
1908 |
|
---|
1909 | if ((security_info_wanted & SECINFO_SACL) &&
|
---|
1910 | !(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
|
---|
1911 | return NT_STATUS_ACCESS_DENIED;
|
---|
1912 | }
|
---|
1913 |
|
---|
1914 | if ((security_info_wanted & (SECINFO_DACL|SECINFO_OWNER|SECINFO_GROUP)) &&
|
---|
1915 | !(fsp->access_mask & SEC_STD_READ_CONTROL)) {
|
---|
1916 | return NT_STATUS_ACCESS_DENIED;
|
---|
1917 | }
|
---|
1918 |
|
---|
1919 | if (security_info_wanted & (SECINFO_DACL|SECINFO_OWNER|
|
---|
1920 | SECINFO_GROUP|SECINFO_SACL)) {
|
---|
1921 | /* Don't return SECINFO_LABEL if anything else was
|
---|
1922 | requested. See bug #8458. */
|
---|
1923 | security_info_wanted &= ~SECINFO_LABEL;
|
---|
1924 | }
|
---|
1925 |
|
---|
1926 | if (!lp_nt_acl_support(SNUM(conn))) {
|
---|
1927 | status = get_null_nt_acl(mem_ctx, &psd);
|
---|
1928 | } else if (security_info_wanted & SECINFO_LABEL) {
|
---|
1929 | /* Like W2K3 return a null object. */
|
---|
1930 | status = get_null_nt_acl(mem_ctx, &psd);
|
---|
1931 | } else {
|
---|
1932 | status = SMB_VFS_FGET_NT_ACL(
|
---|
1933 | fsp, security_info_wanted, &psd);
|
---|
1934 | }
|
---|
1935 | if (!NT_STATUS_IS_OK(status)) {
|
---|
1936 | return status;
|
---|
1937 | }
|
---|
1938 |
|
---|
1939 | if (!(security_info_wanted & SECINFO_OWNER)) {
|
---|
1940 | psd->owner_sid = NULL;
|
---|
1941 | }
|
---|
1942 | if (!(security_info_wanted & SECINFO_GROUP)) {
|
---|
1943 | psd->group_sid = NULL;
|
---|
1944 | }
|
---|
1945 | if (!(security_info_wanted & SECINFO_DACL)) {
|
---|
1946 | psd->type &= ~SEC_DESC_DACL_PRESENT;
|
---|
1947 | psd->dacl = NULL;
|
---|
1948 | }
|
---|
1949 | if (!(security_info_wanted & SECINFO_SACL)) {
|
---|
1950 | psd->type &= ~SEC_DESC_SACL_PRESENT;
|
---|
1951 | psd->sacl = NULL;
|
---|
1952 | }
|
---|
1953 |
|
---|
1954 | /* If the SACL/DACL is NULL, but was requested, we mark that it is
|
---|
1955 | * present in the reply to match Windows behavior */
|
---|
1956 | if (psd->sacl == NULL &&
|
---|
1957 | security_info_wanted & SECINFO_SACL)
|
---|
1958 | psd->type |= SEC_DESC_SACL_PRESENT;
|
---|
1959 | if (psd->dacl == NULL &&
|
---|
1960 | security_info_wanted & SECINFO_DACL)
|
---|
1961 | psd->type |= SEC_DESC_DACL_PRESENT;
|
---|
1962 |
|
---|
1963 | if (security_info_wanted & SECINFO_LABEL) {
|
---|
1964 | /* Like W2K3 return a null object. */
|
---|
1965 | psd->owner_sid = NULL;
|
---|
1966 | psd->group_sid = NULL;
|
---|
1967 | psd->dacl = NULL;
|
---|
1968 | psd->sacl = NULL;
|
---|
1969 | psd->type &= ~(SEC_DESC_DACL_PRESENT|SEC_DESC_SACL_PRESENT);
|
---|
1970 | }
|
---|
1971 |
|
---|
1972 | *psd_size = ndr_size_security_descriptor(psd, 0);
|
---|
1973 |
|
---|
1974 | DEBUG(3,("smbd_do_query_security_desc: sd_size = %lu.\n",
|
---|
1975 | (unsigned long)*psd_size));
|
---|
1976 |
|
---|
1977 | if (DEBUGLEVEL >= 10) {
|
---|
1978 | DEBUG(10,("smbd_do_query_security_desc for file %s\n",
|
---|
1979 | fsp_str_dbg(fsp)));
|
---|
1980 | NDR_PRINT_DEBUG(security_descriptor, psd);
|
---|
1981 | }
|
---|
1982 |
|
---|
1983 | if (max_data_count < *psd_size) {
|
---|
1984 | TALLOC_FREE(psd);
|
---|
1985 | return NT_STATUS_BUFFER_TOO_SMALL;
|
---|
1986 | }
|
---|
1987 |
|
---|
1988 | status = marshall_sec_desc(mem_ctx, psd,
|
---|
1989 | ppmarshalled_sd, psd_size);
|
---|
1990 |
|
---|
1991 | if (!NT_STATUS_IS_OK(status)) {
|
---|
1992 | TALLOC_FREE(psd);
|
---|
1993 | return status;
|
---|
1994 | }
|
---|
1995 |
|
---|
1996 | TALLOC_FREE(psd);
|
---|
1997 | return NT_STATUS_OK;
|
---|
1998 | }
|
---|
1999 |
|
---|
2000 | /****************************************************************************
|
---|
2001 | SMB1 reply to query a security descriptor.
|
---|
2002 | ****************************************************************************/
|
---|
2003 |
|
---|
2004 | static void call_nt_transact_query_security_desc(connection_struct *conn,
|
---|
2005 | struct smb_request *req,
|
---|
2006 | uint16 **ppsetup,
|
---|
2007 | uint32 setup_count,
|
---|
2008 | char **ppparams,
|
---|
2009 | uint32 parameter_count,
|
---|
2010 | char **ppdata,
|
---|
2011 | uint32 data_count,
|
---|
2012 | uint32 max_data_count)
|
---|
2013 | {
|
---|
2014 | char *params = *ppparams;
|
---|
2015 | char *data = *ppdata;
|
---|
2016 | size_t sd_size = 0;
|
---|
2017 | uint32 security_info_wanted;
|
---|
2018 | files_struct *fsp = NULL;
|
---|
2019 | NTSTATUS status;
|
---|
2020 | uint8_t *marshalled_sd = NULL;
|
---|
2021 |
|
---|
2022 | if(parameter_count < 8) {
|
---|
2023 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
2024 | return;
|
---|
2025 | }
|
---|
2026 |
|
---|
2027 | fsp = file_fsp(req, SVAL(params,0));
|
---|
2028 | if(!fsp) {
|
---|
2029 | reply_nterror(req, NT_STATUS_INVALID_HANDLE);
|
---|
2030 | return;
|
---|
2031 | }
|
---|
2032 |
|
---|
2033 | security_info_wanted = IVAL(params,4);
|
---|
2034 |
|
---|
2035 | DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
|
---|
2036 | "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
|
---|
2037 | (unsigned int)security_info_wanted));
|
---|
2038 |
|
---|
2039 | params = nttrans_realloc(ppparams, 4);
|
---|
2040 | if(params == NULL) {
|
---|
2041 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
2042 | return;
|
---|
2043 | }
|
---|
2044 |
|
---|
2045 | /*
|
---|
2046 | * Get the permissions to return.
|
---|
2047 | */
|
---|
2048 |
|
---|
2049 | status = smbd_do_query_security_desc(conn,
|
---|
2050 | talloc_tos(),
|
---|
2051 | fsp,
|
---|
2052 | security_info_wanted,
|
---|
2053 | max_data_count,
|
---|
2054 | &marshalled_sd,
|
---|
2055 | &sd_size);
|
---|
2056 |
|
---|
2057 | if (NT_STATUS_EQUAL(status, NT_STATUS_BUFFER_TOO_SMALL)) {
|
---|
2058 | SIVAL(params,0,(uint32_t)sd_size);
|
---|
2059 | send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
|
---|
2060 | params, 4, NULL, 0);
|
---|
2061 | return;
|
---|
2062 | }
|
---|
2063 |
|
---|
2064 | if (!NT_STATUS_IS_OK(status)) {
|
---|
2065 | reply_nterror(req, status);
|
---|
2066 | return;
|
---|
2067 | }
|
---|
2068 |
|
---|
2069 | SMB_ASSERT(sd_size > 0);
|
---|
2070 |
|
---|
2071 | SIVAL(params,0,(uint32_t)sd_size);
|
---|
2072 |
|
---|
2073 | if (max_data_count < sd_size) {
|
---|
2074 | send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
|
---|
2075 | params, 4, NULL, 0);
|
---|
2076 | return;
|
---|
2077 | }
|
---|
2078 |
|
---|
2079 | /*
|
---|
2080 | * Allocate the data we will return.
|
---|
2081 | */
|
---|
2082 |
|
---|
2083 | data = nttrans_realloc(ppdata, sd_size);
|
---|
2084 | if(data == NULL) {
|
---|
2085 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
2086 | return;
|
---|
2087 | }
|
---|
2088 |
|
---|
2089 | memcpy(data, marshalled_sd, sd_size);
|
---|
2090 |
|
---|
2091 | send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
|
---|
2092 |
|
---|
2093 | return;
|
---|
2094 | }
|
---|
2095 |
|
---|
2096 | /****************************************************************************
|
---|
2097 | Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
|
---|
2098 | ****************************************************************************/
|
---|
2099 |
|
---|
2100 | static void call_nt_transact_set_security_desc(connection_struct *conn,
|
---|
2101 | struct smb_request *req,
|
---|
2102 | uint16 **ppsetup,
|
---|
2103 | uint32 setup_count,
|
---|
2104 | char **ppparams,
|
---|
2105 | uint32 parameter_count,
|
---|
2106 | char **ppdata,
|
---|
2107 | uint32 data_count,
|
---|
2108 | uint32 max_data_count)
|
---|
2109 | {
|
---|
2110 | char *params= *ppparams;
|
---|
2111 | char *data = *ppdata;
|
---|
2112 | files_struct *fsp = NULL;
|
---|
2113 | uint32 security_info_sent = 0;
|
---|
2114 | NTSTATUS status;
|
---|
2115 |
|
---|
2116 | if(parameter_count < 8) {
|
---|
2117 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
2118 | return;
|
---|
2119 | }
|
---|
2120 |
|
---|
2121 | if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
|
---|
2122 | reply_nterror(req, NT_STATUS_INVALID_HANDLE);
|
---|
2123 | return;
|
---|
2124 | }
|
---|
2125 |
|
---|
2126 | if (!CAN_WRITE(fsp->conn)) {
|
---|
2127 | reply_nterror(req, NT_STATUS_ACCESS_DENIED);
|
---|
2128 | return;
|
---|
2129 | }
|
---|
2130 |
|
---|
2131 | if(!lp_nt_acl_support(SNUM(conn))) {
|
---|
2132 | goto done;
|
---|
2133 | }
|
---|
2134 |
|
---|
2135 | security_info_sent = IVAL(params,4);
|
---|
2136 |
|
---|
2137 | DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
|
---|
2138 | fsp_str_dbg(fsp), (unsigned int)security_info_sent));
|
---|
2139 |
|
---|
2140 | if (data_count == 0) {
|
---|
2141 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
2142 | return;
|
---|
2143 | }
|
---|
2144 |
|
---|
2145 | status = set_sd_blob(fsp, (uint8 *)data, data_count, security_info_sent);
|
---|
2146 |
|
---|
2147 | if (!NT_STATUS_IS_OK(status)) {
|
---|
2148 | reply_nterror(req, status);
|
---|
2149 | return;
|
---|
2150 | }
|
---|
2151 |
|
---|
2152 | done:
|
---|
2153 | send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
|
---|
2154 | return;
|
---|
2155 | }
|
---|
2156 |
|
---|
2157 | /*
|
---|
2158 | * Implement the default fsctl operation.
|
---|
2159 | */
|
---|
2160 |
|
---|
2161 | static bool vfswrap_logged_ioctl_message = false;
|
---|
2162 |
|
---|
2163 | /*
|
---|
2164 | * In 3.6 we do not have a SMB_VFS_FSCTL() function
|
---|
2165 | * it's just faked to make it more look like
|
---|
2166 | * master (4.0)
|
---|
2167 | */
|
---|
2168 | NTSTATUS smb_fsctl(struct files_struct *fsp,
|
---|
2169 | TALLOC_CTX *ctx,
|
---|
2170 | uint32_t function,
|
---|
2171 | uint16_t req_flags, /* Needed for UNICODE ... */
|
---|
2172 | const uint8_t *_in_data,
|
---|
2173 | uint32_t in_len,
|
---|
2174 | uint8_t **_out_data,
|
---|
2175 | uint32_t max_out_len,
|
---|
2176 | uint32_t *out_len)
|
---|
2177 | {
|
---|
2178 | const char *in_data = (const char *)_in_data;
|
---|
2179 | char **out_data = (char **)_out_data;
|
---|
2180 |
|
---|
2181 | switch (function) {
|
---|
2182 | case FSCTL_SET_SPARSE:
|
---|
2183 | {
|
---|
2184 | bool set_sparse = true;
|
---|
2185 | NTSTATUS status;
|
---|
2186 |
|
---|
2187 | if (in_len >= 1 && in_data[0] == 0) {
|
---|
2188 | set_sparse = false;
|
---|
2189 | }
|
---|
2190 |
|
---|
2191 | status = file_set_sparse(fsp->conn, fsp, set_sparse);
|
---|
2192 |
|
---|
2193 | DEBUG(NT_STATUS_IS_OK(status) ? 10 : 9,
|
---|
2194 | ("FSCTL_SET_SPARSE: fname[%s] set[%u] - %s\n",
|
---|
2195 | smb_fname_str_dbg(fsp->fsp_name), set_sparse,
|
---|
2196 | nt_errstr(status)));
|
---|
2197 |
|
---|
2198 | return status;
|
---|
2199 | }
|
---|
2200 |
|
---|
2201 | case FSCTL_CREATE_OR_GET_OBJECT_ID:
|
---|
2202 | {
|
---|
2203 | unsigned char objid[16];
|
---|
2204 | char *return_data = NULL;
|
---|
2205 |
|
---|
2206 | /* This should return the object-id on this file.
|
---|
2207 | * I think I'll make this be the inode+dev. JRA.
|
---|
2208 | */
|
---|
2209 |
|
---|
2210 | DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fsp->fnum));
|
---|
2211 |
|
---|
2212 | *out_len = (max_out_len >= 64) ? 64 : max_out_len;
|
---|
2213 | /* Hmmm, will this cause problems if less data asked for? */
|
---|
2214 | return_data = talloc_array(ctx, char, 64);
|
---|
2215 | if (return_data == NULL) {
|
---|
2216 | return NT_STATUS_NO_MEMORY;
|
---|
2217 | }
|
---|
2218 |
|
---|
2219 | /* For backwards compatibility only store the dev/inode. */
|
---|
2220 | push_file_id_16(return_data, &fsp->file_id);
|
---|
2221 | memcpy(return_data+16,create_volume_objectid(fsp->conn,objid),16);
|
---|
2222 | push_file_id_16(return_data+32, &fsp->file_id);
|
---|
2223 | *out_data = return_data;
|
---|
2224 | return NT_STATUS_OK;
|
---|
2225 | }
|
---|
2226 |
|
---|
2227 | case FSCTL_GET_REPARSE_POINT:
|
---|
2228 | {
|
---|
2229 | /* Fail it with STATUS_NOT_A_REPARSE_POINT */
|
---|
2230 | DEBUG(10, ("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X] Status: NOT_IMPLEMENTED\n", fsp->fnum));
|
---|
2231 | return NT_STATUS_NOT_A_REPARSE_POINT;
|
---|
2232 | }
|
---|
2233 |
|
---|
2234 | case FSCTL_SET_REPARSE_POINT:
|
---|
2235 | {
|
---|
2236 | /* Fail it with STATUS_NOT_A_REPARSE_POINT */
|
---|
2237 | DEBUG(10, ("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X] Status: NOT_IMPLEMENTED\n", fsp->fnum));
|
---|
2238 | return NT_STATUS_NOT_A_REPARSE_POINT;
|
---|
2239 | }
|
---|
2240 |
|
---|
2241 | case FSCTL_GET_SHADOW_COPY_DATA:
|
---|
2242 | {
|
---|
2243 | /*
|
---|
2244 | * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
|
---|
2245 | * and return their volume names. If max_data_count is 16, then it is just
|
---|
2246 | * asking for the number of volumes and length of the combined names.
|
---|
2247 | *
|
---|
2248 | * pdata is the data allocated by our caller, but that uses
|
---|
2249 | * total_data_count (which is 0 in our case) rather than max_data_count.
|
---|
2250 | * Allocate the correct amount and return the pointer to let
|
---|
2251 | * it be deallocated when we return.
|
---|
2252 | */
|
---|
2253 | struct shadow_copy_data *shadow_data = NULL;
|
---|
2254 | bool labels = False;
|
---|
2255 | uint32 labels_data_count = 0;
|
---|
2256 | uint32 i;
|
---|
2257 | char *cur_pdata = NULL;
|
---|
2258 |
|
---|
2259 | if (max_out_len < 16) {
|
---|
2260 | DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
|
---|
2261 | max_out_len));
|
---|
2262 | return NT_STATUS_INVALID_PARAMETER;
|
---|
2263 | }
|
---|
2264 |
|
---|
2265 | if (max_out_len > 16) {
|
---|
2266 | labels = True;
|
---|
2267 | }
|
---|
2268 |
|
---|
2269 | shadow_data = talloc_zero(ctx, struct shadow_copy_data);
|
---|
2270 | if (shadow_data == NULL) {
|
---|
2271 | DEBUG(0,("TALLOC_ZERO() failed!\n"));
|
---|
2272 | return NT_STATUS_NO_MEMORY;
|
---|
2273 | }
|
---|
2274 |
|
---|
2275 | /*
|
---|
2276 | * Call the VFS routine to actually do the work.
|
---|
2277 | */
|
---|
2278 | if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
|
---|
2279 | TALLOC_FREE(shadow_data);
|
---|
2280 | if (errno == ENOSYS) {
|
---|
2281 | DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
|
---|
2282 | fsp->conn->connectpath));
|
---|
2283 | return NT_STATUS_NOT_SUPPORTED;
|
---|
2284 | } else {
|
---|
2285 | DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
|
---|
2286 | fsp->conn->connectpath));
|
---|
2287 | return NT_STATUS_UNSUCCESSFUL;
|
---|
2288 | }
|
---|
2289 | }
|
---|
2290 |
|
---|
2291 | labels_data_count = (shadow_data->num_volumes * 2 *
|
---|
2292 | sizeof(SHADOW_COPY_LABEL)) + 2;
|
---|
2293 |
|
---|
2294 | if (!labels) {
|
---|
2295 | *out_len = 16;
|
---|
2296 | } else {
|
---|
2297 | *out_len = 12 + labels_data_count + 4;
|
---|
2298 | }
|
---|
2299 |
|
---|
2300 | if (max_out_len < *out_len) {
|
---|
2301 | DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
|
---|
2302 | max_out_len, *out_len));
|
---|
2303 | TALLOC_FREE(shadow_data);
|
---|
2304 | return NT_STATUS_BUFFER_TOO_SMALL;
|
---|
2305 | }
|
---|
2306 |
|
---|
2307 | cur_pdata = talloc_array(ctx, char, *out_len);
|
---|
2308 | if (cur_pdata == NULL) {
|
---|
2309 | TALLOC_FREE(shadow_data);
|
---|
2310 | return NT_STATUS_NO_MEMORY;
|
---|
2311 | }
|
---|
2312 |
|
---|
2313 | *out_data = cur_pdata;
|
---|
2314 |
|
---|
2315 | /* num_volumes 4 bytes */
|
---|
2316 | SIVAL(cur_pdata, 0, shadow_data->num_volumes);
|
---|
2317 |
|
---|
2318 | if (labels) {
|
---|
2319 | /* num_labels 4 bytes */
|
---|
2320 | SIVAL(cur_pdata, 4, shadow_data->num_volumes);
|
---|
2321 | }
|
---|
2322 |
|
---|
2323 | /* needed_data_count 4 bytes */
|
---|
2324 | SIVAL(cur_pdata, 8, labels_data_count + 4);
|
---|
2325 |
|
---|
2326 | cur_pdata += 12;
|
---|
2327 |
|
---|
2328 | DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
|
---|
2329 | shadow_data->num_volumes, fsp_str_dbg(fsp)));
|
---|
2330 | if (labels && shadow_data->labels) {
|
---|
2331 | for (i=0; i<shadow_data->num_volumes; i++) {
|
---|
2332 | srvstr_push(cur_pdata, req_flags,
|
---|
2333 | cur_pdata, shadow_data->labels[i],
|
---|
2334 | 2 * sizeof(SHADOW_COPY_LABEL),
|
---|
2335 | STR_UNICODE|STR_TERMINATE);
|
---|
2336 | cur_pdata += 2 * sizeof(SHADOW_COPY_LABEL);
|
---|
2337 | DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
|
---|
2338 | }
|
---|
2339 | }
|
---|
2340 |
|
---|
2341 | TALLOC_FREE(shadow_data);
|
---|
2342 |
|
---|
2343 | return NT_STATUS_OK;
|
---|
2344 | }
|
---|
2345 |
|
---|
2346 | case FSCTL_FIND_FILES_BY_SID:
|
---|
2347 | {
|
---|
2348 | /* pretend this succeeded -
|
---|
2349 | *
|
---|
2350 | * we have to send back a list with all files owned by this SID
|
---|
2351 | *
|
---|
2352 | * but I have to check that --metze
|
---|
2353 | */
|
---|
2354 | struct dom_sid sid;
|
---|
2355 | uid_t uid;
|
---|
2356 | size_t sid_len;
|
---|
2357 |
|
---|
2358 | DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n", fsp->fnum));
|
---|
2359 |
|
---|
2360 | if (in_len < 8) {
|
---|
2361 | /* NT_STATUS_BUFFER_TOO_SMALL maybe? */
|
---|
2362 | return NT_STATUS_INVALID_PARAMETER;
|
---|
2363 | }
|
---|
2364 |
|
---|
2365 | sid_len = MIN(in_len - 4,SID_MAX_SIZE);
|
---|
2366 |
|
---|
2367 | /* unknown 4 bytes: this is not the length of the sid :-( */
|
---|
2368 | /*unknown = IVAL(pdata,0);*/
|
---|
2369 |
|
---|
2370 | if (!sid_parse(in_data + 4, sid_len, &sid)) {
|
---|
2371 | return NT_STATUS_INVALID_PARAMETER;
|
---|
2372 | }
|
---|
2373 | DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
|
---|
2374 |
|
---|
2375 | if (!sid_to_uid(&sid, &uid)) {
|
---|
2376 | DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
|
---|
2377 | sid_string_dbg(&sid),
|
---|
2378 | (unsigned long)sid_len));
|
---|
2379 | uid = (-1);
|
---|
2380 | }
|
---|
2381 |
|
---|
2382 | /* we can take a look at the find source :-)
|
---|
2383 | *
|
---|
2384 | * find ./ -uid $uid -name '*' is what we need here
|
---|
2385 | *
|
---|
2386 | *
|
---|
2387 | * and send 4bytes len and then NULL terminated unicode strings
|
---|
2388 | * for each file
|
---|
2389 | *
|
---|
2390 | * but I don't know how to deal with the paged results
|
---|
2391 | * (maybe we can hang the result anywhere in the fsp struct)
|
---|
2392 | *
|
---|
2393 | * but I don't know how to deal with the paged results
|
---|
2394 | * (maybe we can hang the result anywhere in the fsp struct)
|
---|
2395 | *
|
---|
2396 | * we don't send all files at once
|
---|
2397 | * and at the next we should *not* start from the beginning,
|
---|
2398 | * so we have to cache the result
|
---|
2399 | *
|
---|
2400 | * --metze
|
---|
2401 | */
|
---|
2402 |
|
---|
2403 | /* this works for now... */
|
---|
2404 | return NT_STATUS_OK;
|
---|
2405 | }
|
---|
2406 |
|
---|
2407 | case FSCTL_QUERY_ALLOCATED_RANGES:
|
---|
2408 | {
|
---|
2409 | /* FIXME: This is just a dummy reply, telling that all of the
|
---|
2410 | * file is allocated. MKS cp needs that.
|
---|
2411 | * Adding the real allocated ranges via FIEMAP on Linux
|
---|
2412 | * and SEEK_DATA/SEEK_HOLE on Solaris is needed to make
|
---|
2413 | * this FSCTL correct for sparse files.
|
---|
2414 | */
|
---|
2415 | NTSTATUS status;
|
---|
2416 | uint64_t offset, length;
|
---|
2417 | char *out_data_tmp = NULL;
|
---|
2418 |
|
---|
2419 | if (in_len != 16) {
|
---|
2420 | DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: data_count(%u) != 16 is invalid!\n",
|
---|
2421 | in_len));
|
---|
2422 | return NT_STATUS_INVALID_PARAMETER;
|
---|
2423 | }
|
---|
2424 |
|
---|
2425 | if (max_out_len < 16) {
|
---|
2426 | DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: max_out_len (%u) < 16 is invalid!\n",
|
---|
2427 | max_out_len));
|
---|
2428 | return NT_STATUS_INVALID_PARAMETER;
|
---|
2429 | }
|
---|
2430 |
|
---|
2431 | offset = BVAL(in_data,0);
|
---|
2432 | length = BVAL(in_data,8);
|
---|
2433 |
|
---|
2434 | if (offset + length < offset) {
|
---|
2435 | /* No 64-bit integer wrap. */
|
---|
2436 | return NT_STATUS_INVALID_PARAMETER;
|
---|
2437 | }
|
---|
2438 |
|
---|
2439 | /* Shouldn't this be SMB_VFS_STAT ... ? */
|
---|
2440 | status = vfs_stat_fsp(fsp);
|
---|
2441 | if (!NT_STATUS_IS_OK(status)) {
|
---|
2442 | return status;
|
---|
2443 | }
|
---|
2444 |
|
---|
2445 | *out_len = 16;
|
---|
2446 | out_data_tmp = talloc_array(ctx, char, *out_len);
|
---|
2447 | if (out_data_tmp == NULL) {
|
---|
2448 | DEBUG(10, ("unable to allocate memory for response\n"));
|
---|
2449 | return NT_STATUS_NO_MEMORY;
|
---|
2450 | }
|
---|
2451 |
|
---|
2452 | if (offset > fsp->fsp_name->st.st_ex_size ||
|
---|
2453 | fsp->fsp_name->st.st_ex_size == 0 ||
|
---|
2454 | length == 0) {
|
---|
2455 | memset(out_data_tmp, 0, *out_len);
|
---|
2456 | } else {
|
---|
2457 | uint64_t end = offset + length;
|
---|
2458 | end = MIN(end, fsp->fsp_name->st.st_ex_size);
|
---|
2459 | SBVAL(out_data_tmp, 0, 0);
|
---|
2460 | SBVAL(out_data_tmp, 8, end);
|
---|
2461 | }
|
---|
2462 |
|
---|
2463 | *out_data = out_data_tmp;
|
---|
2464 |
|
---|
2465 | return NT_STATUS_OK;
|
---|
2466 | }
|
---|
2467 |
|
---|
2468 | case FSCTL_IS_VOLUME_DIRTY:
|
---|
2469 | {
|
---|
2470 | DEBUG(10,("FSCTL_IS_VOLUME_DIRTY: called on FID[0x%04X] "
|
---|
2471 | "(but not implemented)\n", fsp->fnum));
|
---|
2472 | /*
|
---|
2473 | * http://msdn.microsoft.com/en-us/library/cc232128%28PROT.10%29.aspx
|
---|
2474 | * says we have to respond with NT_STATUS_INVALID_PARAMETER
|
---|
2475 | */
|
---|
2476 | return NT_STATUS_INVALID_PARAMETER;
|
---|
2477 | }
|
---|
2478 |
|
---|
2479 | default:
|
---|
2480 | /*
|
---|
2481 | * Only print once ... unfortunately there could be lots of
|
---|
2482 | * different FSCTLs that are called.
|
---|
2483 | */
|
---|
2484 | if (!vfswrap_logged_ioctl_message) {
|
---|
2485 | vfswrap_logged_ioctl_message = true;
|
---|
2486 | DEBUG(2, ("%s (0x%x): Currently not implemented.\n",
|
---|
2487 | __FUNCTION__, function));
|
---|
2488 | }
|
---|
2489 | }
|
---|
2490 |
|
---|
2491 | return NT_STATUS_NOT_SUPPORTED;
|
---|
2492 | }
|
---|
2493 |
|
---|
2494 | /****************************************************************************
|
---|
2495 | Reply to NT IOCTL
|
---|
2496 | ****************************************************************************/
|
---|
2497 |
|
---|
2498 | static void call_nt_transact_ioctl(connection_struct *conn,
|
---|
2499 | struct smb_request *req,
|
---|
2500 | uint16 **ppsetup, uint32 setup_count,
|
---|
2501 | char **ppparams, uint32 parameter_count,
|
---|
2502 | char **ppdata, uint32 data_count,
|
---|
2503 | uint32 max_data_count)
|
---|
2504 | {
|
---|
2505 | NTSTATUS status;
|
---|
2506 | uint32 function;
|
---|
2507 | uint16 fidnum;
|
---|
2508 | files_struct *fsp;
|
---|
2509 | uint8 isFSctl;
|
---|
2510 | uint8 compfilter;
|
---|
2511 | char *out_data = NULL;
|
---|
2512 | uint32 out_data_len = 0;
|
---|
2513 | char *pdata = *ppdata;
|
---|
2514 | TALLOC_CTX *ctx = talloc_tos();
|
---|
2515 |
|
---|
2516 | if (setup_count != 8) {
|
---|
2517 | DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
|
---|
2518 | reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
|
---|
2519 | return;
|
---|
2520 | }
|
---|
2521 |
|
---|
2522 | function = IVAL(*ppsetup, 0);
|
---|
2523 | fidnum = SVAL(*ppsetup, 4);
|
---|
2524 | isFSctl = CVAL(*ppsetup, 6);
|
---|
2525 | compfilter = CVAL(*ppsetup, 7);
|
---|
2526 |
|
---|
2527 | DEBUG(10, ("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
|
---|
2528 | function, fidnum, isFSctl, compfilter));
|
---|
2529 |
|
---|
2530 | fsp=file_fsp(req, fidnum);
|
---|
2531 |
|
---|
2532 | /*
|
---|
2533 | * We don't really implement IOCTLs, especially on files.
|
---|
2534 | */
|
---|
2535 | if (!isFSctl) {
|
---|
2536 | DEBUG(10, ("isFSctl: 0x%02X indicates IOCTL, not FSCTL!\n",
|
---|
2537 | isFSctl));
|
---|
2538 | reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
|
---|
2539 | return;
|
---|
2540 | }
|
---|
2541 |
|
---|
2542 | /* Has to be for an open file! */
|
---|
2543 | if (!check_fsp_open(conn, req, fsp)) {
|
---|
2544 | return;
|
---|
2545 | }
|
---|
2546 |
|
---|
2547 | /*
|
---|
2548 | * out_data might be allocated by the VFS module, but talloc should be
|
---|
2549 | * used, and should be cleaned up when the request ends.
|
---|
2550 | */
|
---|
2551 | status = smb_fsctl(fsp,
|
---|
2552 | ctx,
|
---|
2553 | function,
|
---|
2554 | req->flags2,
|
---|
2555 | (uint8_t *)pdata,
|
---|
2556 | data_count,
|
---|
2557 | (uint8_t **)&out_data,
|
---|
2558 | max_data_count,
|
---|
2559 | &out_data_len);
|
---|
2560 | if (!NT_STATUS_IS_OK(status)) {
|
---|
2561 | reply_nterror(req, status);
|
---|
2562 | } else {
|
---|
2563 | send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, out_data, out_data_len);
|
---|
2564 | }
|
---|
2565 | }
|
---|
2566 |
|
---|
2567 |
|
---|
2568 | #ifdef HAVE_SYS_QUOTAS
|
---|
2569 | /****************************************************************************
|
---|
2570 | Reply to get user quota
|
---|
2571 | ****************************************************************************/
|
---|
2572 |
|
---|
2573 | static void call_nt_transact_get_user_quota(connection_struct *conn,
|
---|
2574 | struct smb_request *req,
|
---|
2575 | uint16 **ppsetup,
|
---|
2576 | uint32 setup_count,
|
---|
2577 | char **ppparams,
|
---|
2578 | uint32 parameter_count,
|
---|
2579 | char **ppdata,
|
---|
2580 | uint32 data_count,
|
---|
2581 | uint32 max_data_count)
|
---|
2582 | {
|
---|
2583 | NTSTATUS nt_status = NT_STATUS_OK;
|
---|
2584 | char *params = *ppparams;
|
---|
2585 | char *pdata = *ppdata;
|
---|
2586 | char *entry;
|
---|
2587 | int data_len=0,param_len=0;
|
---|
2588 | int qt_len=0;
|
---|
2589 | int entry_len = 0;
|
---|
2590 | files_struct *fsp = NULL;
|
---|
2591 | uint16 level = 0;
|
---|
2592 | size_t sid_len;
|
---|
2593 | struct dom_sid sid;
|
---|
2594 | bool start_enum = True;
|
---|
2595 | SMB_NTQUOTA_STRUCT qt;
|
---|
2596 | SMB_NTQUOTA_LIST *tmp_list;
|
---|
2597 | SMB_NTQUOTA_HANDLE *qt_handle = NULL;
|
---|
2598 |
|
---|
2599 | ZERO_STRUCT(qt);
|
---|
2600 |
|
---|
2601 | /* access check */
|
---|
2602 | if (get_current_uid(conn) != 0) {
|
---|
2603 | DEBUG(1,("get_user_quota: access_denied service [%s] user "
|
---|
2604 | "[%s]\n", lp_servicename(SNUM(conn)),
|
---|
2605 | conn->session_info->unix_name));
|
---|
2606 | reply_nterror(req, NT_STATUS_ACCESS_DENIED);
|
---|
2607 | return;
|
---|
2608 | }
|
---|
2609 |
|
---|
2610 | /*
|
---|
2611 | * Ensure minimum number of parameters sent.
|
---|
2612 | */
|
---|
2613 |
|
---|
2614 | if (parameter_count < 4) {
|
---|
2615 | DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
|
---|
2616 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
2617 | return;
|
---|
2618 | }
|
---|
2619 |
|
---|
2620 | /* maybe we can check the quota_fnum */
|
---|
2621 | fsp = file_fsp(req, SVAL(params,0));
|
---|
2622 | if (!check_fsp_ntquota_handle(conn, req, fsp)) {
|
---|
2623 | DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
|
---|
2624 | reply_nterror(req, NT_STATUS_INVALID_HANDLE);
|
---|
2625 | return;
|
---|
2626 | }
|
---|
2627 |
|
---|
2628 | /* the NULL pointer checking for fsp->fake_file_handle->pd
|
---|
2629 | * is done by CHECK_NTQUOTA_HANDLE_OK()
|
---|
2630 | */
|
---|
2631 | qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
|
---|
2632 |
|
---|
2633 | level = SVAL(params,2);
|
---|
2634 |
|
---|
2635 | /* unknown 12 bytes leading in params */
|
---|
2636 |
|
---|
2637 | switch (level) {
|
---|
2638 | case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
|
---|
2639 | /* seems that we should continue with the enum here --metze */
|
---|
2640 |
|
---|
2641 | if (qt_handle->quota_list!=NULL &&
|
---|
2642 | qt_handle->tmp_list==NULL) {
|
---|
2643 |
|
---|
2644 | /* free the list */
|
---|
2645 | free_ntquota_list(&(qt_handle->quota_list));
|
---|
2646 |
|
---|
2647 | /* Realloc the size of parameters and data we will return */
|
---|
2648 | param_len = 4;
|
---|
2649 | params = nttrans_realloc(ppparams, param_len);
|
---|
2650 | if(params == NULL) {
|
---|
2651 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
2652 | return;
|
---|
2653 | }
|
---|
2654 |
|
---|
2655 | data_len = 0;
|
---|
2656 | SIVAL(params,0,data_len);
|
---|
2657 |
|
---|
2658 | break;
|
---|
2659 | }
|
---|
2660 |
|
---|
2661 | start_enum = False;
|
---|
2662 |
|
---|
2663 | case TRANSACT_GET_USER_QUOTA_LIST_START:
|
---|
2664 |
|
---|
2665 | if (qt_handle->quota_list==NULL &&
|
---|
2666 | qt_handle->tmp_list==NULL) {
|
---|
2667 | start_enum = True;
|
---|
2668 | }
|
---|
2669 |
|
---|
2670 | if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
|
---|
2671 | reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
|
---|
2672 | return;
|
---|
2673 | }
|
---|
2674 |
|
---|
2675 | /* Realloc the size of parameters and data we will return */
|
---|
2676 | param_len = 4;
|
---|
2677 | params = nttrans_realloc(ppparams, param_len);
|
---|
2678 | if(params == NULL) {
|
---|
2679 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
2680 | return;
|
---|
2681 | }
|
---|
2682 |
|
---|
2683 | /* we should not trust the value in max_data_count*/
|
---|
2684 | max_data_count = MIN(max_data_count,2048);
|
---|
2685 |
|
---|
2686 | pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
|
---|
2687 | if(pdata == NULL) {
|
---|
2688 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
2689 | return;
|
---|
2690 | }
|
---|
2691 |
|
---|
2692 | entry = pdata;
|
---|
2693 |
|
---|
2694 | /* set params Size of returned Quota Data 4 bytes*/
|
---|
2695 | /* but set it later when we know it */
|
---|
2696 |
|
---|
2697 | /* for each entry push the data */
|
---|
2698 |
|
---|
2699 | if (start_enum) {
|
---|
2700 | qt_handle->tmp_list = qt_handle->quota_list;
|
---|
2701 | }
|
---|
2702 |
|
---|
2703 | tmp_list = qt_handle->tmp_list;
|
---|
2704 |
|
---|
2705 | for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
|
---|
2706 | tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
|
---|
2707 |
|
---|
2708 | sid_len = ndr_size_dom_sid(
|
---|
2709 | &tmp_list->quotas->sid, 0);
|
---|
2710 | entry_len = 40 + sid_len;
|
---|
2711 |
|
---|
2712 | /* nextoffset entry 4 bytes */
|
---|
2713 | SIVAL(entry,0,entry_len);
|
---|
2714 |
|
---|
2715 | /* then the len of the SID 4 bytes */
|
---|
2716 | SIVAL(entry,4,sid_len);
|
---|
2717 |
|
---|
2718 | /* unknown data 8 bytes uint64_t */
|
---|
2719 | SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
|
---|
2720 |
|
---|
2721 | /* the used disk space 8 bytes uint64_t */
|
---|
2722 | SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
|
---|
2723 |
|
---|
2724 | /* the soft quotas 8 bytes uint64_t */
|
---|
2725 | SBIG_UINT(entry,24,tmp_list->quotas->softlim);
|
---|
2726 |
|
---|
2727 | /* the hard quotas 8 bytes uint64_t */
|
---|
2728 | SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
|
---|
2729 |
|
---|
2730 | /* and now the SID */
|
---|
2731 | sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
|
---|
2732 | }
|
---|
2733 |
|
---|
2734 | qt_handle->tmp_list = tmp_list;
|
---|
2735 |
|
---|
2736 | /* overwrite the offset of the last entry */
|
---|
2737 | SIVAL(entry-entry_len,0,0);
|
---|
2738 |
|
---|
2739 | data_len = 4+qt_len;
|
---|
2740 | /* overwrite the params quota_data_len */
|
---|
2741 | SIVAL(params,0,data_len);
|
---|
2742 |
|
---|
2743 | break;
|
---|
2744 |
|
---|
2745 | case TRANSACT_GET_USER_QUOTA_FOR_SID:
|
---|
2746 |
|
---|
2747 | /* unknown 4 bytes IVAL(pdata,0) */
|
---|
2748 |
|
---|
2749 | if (data_count < 8) {
|
---|
2750 | DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
|
---|
2751 | reply_nterror(req, NT_STATUS_INVALID_LEVEL);
|
---|
2752 | return;
|
---|
2753 | }
|
---|
2754 |
|
---|
2755 | sid_len = IVAL(pdata,4);
|
---|
2756 | /* Ensure this is less than 1mb. */
|
---|
2757 | if (sid_len > (1024*1024)) {
|
---|
2758 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
2759 | return;
|
---|
2760 | }
|
---|
2761 |
|
---|
2762 | if (data_count < 8+sid_len) {
|
---|
2763 | DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
|
---|
2764 | reply_nterror(req, NT_STATUS_INVALID_LEVEL);
|
---|
2765 | return;
|
---|
2766 | }
|
---|
2767 |
|
---|
2768 | data_len = 4+40+sid_len;
|
---|
2769 |
|
---|
2770 | if (max_data_count < data_len) {
|
---|
2771 | DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
|
---|
2772 | max_data_count, data_len));
|
---|
2773 | param_len = 4;
|
---|
2774 | SIVAL(params,0,data_len);
|
---|
2775 | data_len = 0;
|
---|
2776 | nt_status = NT_STATUS_BUFFER_TOO_SMALL;
|
---|
2777 | break;
|
---|
2778 | }
|
---|
2779 |
|
---|
2780 | if (!sid_parse(pdata+8,sid_len,&sid)) {
|
---|
2781 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
2782 | return;
|
---|
2783 | }
|
---|
2784 |
|
---|
2785 | if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
|
---|
2786 | ZERO_STRUCT(qt);
|
---|
2787 | /*
|
---|
2788 | * we have to return zero's in all fields
|
---|
2789 | * instead of returning an error here
|
---|
2790 | * --metze
|
---|
2791 | */
|
---|
2792 | }
|
---|
2793 |
|
---|
2794 | /* Realloc the size of parameters and data we will return */
|
---|
2795 | param_len = 4;
|
---|
2796 | params = nttrans_realloc(ppparams, param_len);
|
---|
2797 | if(params == NULL) {
|
---|
2798 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
2799 | return;
|
---|
2800 | }
|
---|
2801 |
|
---|
2802 | pdata = nttrans_realloc(ppdata, data_len);
|
---|
2803 | if(pdata == NULL) {
|
---|
2804 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
2805 | return;
|
---|
2806 | }
|
---|
2807 |
|
---|
2808 | entry = pdata;
|
---|
2809 |
|
---|
2810 | /* set params Size of returned Quota Data 4 bytes*/
|
---|
2811 | SIVAL(params,0,data_len);
|
---|
2812 |
|
---|
2813 | /* nextoffset entry 4 bytes */
|
---|
2814 | SIVAL(entry,0,0);
|
---|
2815 |
|
---|
2816 | /* then the len of the SID 4 bytes */
|
---|
2817 | SIVAL(entry,4,sid_len);
|
---|
2818 |
|
---|
2819 | /* unknown data 8 bytes uint64_t */
|
---|
2820 | SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
|
---|
2821 |
|
---|
2822 | /* the used disk space 8 bytes uint64_t */
|
---|
2823 | SBIG_UINT(entry,16,qt.usedspace);
|
---|
2824 |
|
---|
2825 | /* the soft quotas 8 bytes uint64_t */
|
---|
2826 | SBIG_UINT(entry,24,qt.softlim);
|
---|
2827 |
|
---|
2828 | /* the hard quotas 8 bytes uint64_t */
|
---|
2829 | SBIG_UINT(entry,32,qt.hardlim);
|
---|
2830 |
|
---|
2831 | /* and now the SID */
|
---|
2832 | sid_linearize(entry+40, sid_len, &sid);
|
---|
2833 |
|
---|
2834 | break;
|
---|
2835 |
|
---|
2836 | default:
|
---|
2837 | DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
|
---|
2838 | reply_nterror(req, NT_STATUS_INVALID_LEVEL);
|
---|
2839 | return;
|
---|
2840 | break;
|
---|
2841 | }
|
---|
2842 |
|
---|
2843 | send_nt_replies(conn, req, nt_status, params, param_len,
|
---|
2844 | pdata, data_len);
|
---|
2845 | }
|
---|
2846 |
|
---|
2847 | /****************************************************************************
|
---|
2848 | Reply to set user quota
|
---|
2849 | ****************************************************************************/
|
---|
2850 |
|
---|
2851 | static void call_nt_transact_set_user_quota(connection_struct *conn,
|
---|
2852 | struct smb_request *req,
|
---|
2853 | uint16 **ppsetup,
|
---|
2854 | uint32 setup_count,
|
---|
2855 | char **ppparams,
|
---|
2856 | uint32 parameter_count,
|
---|
2857 | char **ppdata,
|
---|
2858 | uint32 data_count,
|
---|
2859 | uint32 max_data_count)
|
---|
2860 | {
|
---|
2861 | char *params = *ppparams;
|
---|
2862 | char *pdata = *ppdata;
|
---|
2863 | int data_len=0,param_len=0;
|
---|
2864 | SMB_NTQUOTA_STRUCT qt;
|
---|
2865 | size_t sid_len;
|
---|
2866 | struct dom_sid sid;
|
---|
2867 | files_struct *fsp = NULL;
|
---|
2868 |
|
---|
2869 | ZERO_STRUCT(qt);
|
---|
2870 |
|
---|
2871 | /* access check */
|
---|
2872 | if (get_current_uid(conn) != 0) {
|
---|
2873 | DEBUG(1,("set_user_quota: access_denied service [%s] user "
|
---|
2874 | "[%s]\n", lp_servicename(SNUM(conn)),
|
---|
2875 | conn->session_info->unix_name));
|
---|
2876 | reply_nterror(req, NT_STATUS_ACCESS_DENIED);
|
---|
2877 | return;
|
---|
2878 | }
|
---|
2879 |
|
---|
2880 | /*
|
---|
2881 | * Ensure minimum number of parameters sent.
|
---|
2882 | */
|
---|
2883 |
|
---|
2884 | if (parameter_count < 2) {
|
---|
2885 | DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
|
---|
2886 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
2887 | return;
|
---|
2888 | }
|
---|
2889 |
|
---|
2890 | /* maybe we can check the quota_fnum */
|
---|
2891 | fsp = file_fsp(req, SVAL(params,0));
|
---|
2892 | if (!check_fsp_ntquota_handle(conn, req, fsp)) {
|
---|
2893 | DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
|
---|
2894 | reply_nterror(req, NT_STATUS_INVALID_HANDLE);
|
---|
2895 | return;
|
---|
2896 | }
|
---|
2897 |
|
---|
2898 | if (data_count < 40) {
|
---|
2899 | DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
|
---|
2900 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
2901 | return;
|
---|
2902 | }
|
---|
2903 |
|
---|
2904 | /* offset to next quota record.
|
---|
2905 | * 4 bytes IVAL(pdata,0)
|
---|
2906 | * unused here...
|
---|
2907 | */
|
---|
2908 |
|
---|
2909 | /* sid len */
|
---|
2910 | sid_len = IVAL(pdata,4);
|
---|
2911 |
|
---|
2912 | if (data_count < 40+sid_len || (40+sid_len < sid_len)) {
|
---|
2913 | DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
|
---|
2914 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
2915 | return;
|
---|
2916 | }
|
---|
2917 |
|
---|
2918 | /* unknown 8 bytes in pdata
|
---|
2919 | * maybe its the change time in NTTIME
|
---|
2920 | */
|
---|
2921 |
|
---|
2922 | /* the used space 8 bytes (uint64_t)*/
|
---|
2923 | qt.usedspace = BVAL(pdata,16);
|
---|
2924 |
|
---|
2925 | /* the soft quotas 8 bytes (uint64_t)*/
|
---|
2926 | qt.softlim = BVAL(pdata,24);
|
---|
2927 |
|
---|
2928 | /* the hard quotas 8 bytes (uint64_t)*/
|
---|
2929 | qt.hardlim = BVAL(pdata,32);
|
---|
2930 |
|
---|
2931 | if (!sid_parse(pdata+40,sid_len,&sid)) {
|
---|
2932 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
2933 | return;
|
---|
2934 | }
|
---|
2935 |
|
---|
2936 | DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
|
---|
2937 |
|
---|
2938 | /* 44 unknown bytes left... */
|
---|
2939 |
|
---|
2940 | if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
|
---|
2941 | reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
|
---|
2942 | return;
|
---|
2943 | }
|
---|
2944 |
|
---|
2945 | send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
|
---|
2946 | pdata, data_len);
|
---|
2947 | }
|
---|
2948 | #endif /* HAVE_SYS_QUOTAS */
|
---|
2949 |
|
---|
2950 | static void handle_nttrans(connection_struct *conn,
|
---|
2951 | struct trans_state *state,
|
---|
2952 | struct smb_request *req)
|
---|
2953 | {
|
---|
2954 | if (get_Protocol() >= PROTOCOL_NT1) {
|
---|
2955 | req->flags2 |= 0x40; /* IS_LONG_NAME */
|
---|
2956 | SSVAL(req->inbuf,smb_flg2,req->flags2);
|
---|
2957 | }
|
---|
2958 |
|
---|
2959 |
|
---|
2960 | SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
|
---|
2961 |
|
---|
2962 | /* Now we must call the relevant NT_TRANS function */
|
---|
2963 | switch(state->call) {
|
---|
2964 | case NT_TRANSACT_CREATE:
|
---|
2965 | {
|
---|
2966 | START_PROFILE(NT_transact_create);
|
---|
2967 | call_nt_transact_create(
|
---|
2968 | conn, req,
|
---|
2969 | &state->setup, state->setup_count,
|
---|
2970 | &state->param, state->total_param,
|
---|
2971 | &state->data, state->total_data,
|
---|
2972 | state->max_data_return);
|
---|
2973 | END_PROFILE(NT_transact_create);
|
---|
2974 | break;
|
---|
2975 | }
|
---|
2976 |
|
---|
2977 | case NT_TRANSACT_IOCTL:
|
---|
2978 | {
|
---|
2979 | START_PROFILE(NT_transact_ioctl);
|
---|
2980 | call_nt_transact_ioctl(
|
---|
2981 | conn, req,
|
---|
2982 | &state->setup, state->setup_count,
|
---|
2983 | &state->param, state->total_param,
|
---|
2984 | &state->data, state->total_data,
|
---|
2985 | state->max_data_return);
|
---|
2986 | END_PROFILE(NT_transact_ioctl);
|
---|
2987 | break;
|
---|
2988 | }
|
---|
2989 |
|
---|
2990 | case NT_TRANSACT_SET_SECURITY_DESC:
|
---|
2991 | {
|
---|
2992 | START_PROFILE(NT_transact_set_security_desc);
|
---|
2993 | call_nt_transact_set_security_desc(
|
---|
2994 | conn, req,
|
---|
2995 | &state->setup, state->setup_count,
|
---|
2996 | &state->param, state->total_param,
|
---|
2997 | &state->data, state->total_data,
|
---|
2998 | state->max_data_return);
|
---|
2999 | END_PROFILE(NT_transact_set_security_desc);
|
---|
3000 | break;
|
---|
3001 | }
|
---|
3002 |
|
---|
3003 | case NT_TRANSACT_NOTIFY_CHANGE:
|
---|
3004 | {
|
---|
3005 | START_PROFILE(NT_transact_notify_change);
|
---|
3006 | call_nt_transact_notify_change(
|
---|
3007 | conn, req,
|
---|
3008 | &state->setup, state->setup_count,
|
---|
3009 | &state->param, state->total_param,
|
---|
3010 | &state->data, state->total_data,
|
---|
3011 | state->max_data_return,
|
---|
3012 | state->max_param_return);
|
---|
3013 | END_PROFILE(NT_transact_notify_change);
|
---|
3014 | break;
|
---|
3015 | }
|
---|
3016 |
|
---|
3017 | case NT_TRANSACT_RENAME:
|
---|
3018 | {
|
---|
3019 | START_PROFILE(NT_transact_rename);
|
---|
3020 | call_nt_transact_rename(
|
---|
3021 | conn, req,
|
---|
3022 | &state->setup, state->setup_count,
|
---|
3023 | &state->param, state->total_param,
|
---|
3024 | &state->data, state->total_data,
|
---|
3025 | state->max_data_return);
|
---|
3026 | END_PROFILE(NT_transact_rename);
|
---|
3027 | break;
|
---|
3028 | }
|
---|
3029 |
|
---|
3030 | case NT_TRANSACT_QUERY_SECURITY_DESC:
|
---|
3031 | {
|
---|
3032 | START_PROFILE(NT_transact_query_security_desc);
|
---|
3033 | call_nt_transact_query_security_desc(
|
---|
3034 | conn, req,
|
---|
3035 | &state->setup, state->setup_count,
|
---|
3036 | &state->param, state->total_param,
|
---|
3037 | &state->data, state->total_data,
|
---|
3038 | state->max_data_return);
|
---|
3039 | END_PROFILE(NT_transact_query_security_desc);
|
---|
3040 | break;
|
---|
3041 | }
|
---|
3042 |
|
---|
3043 | #ifdef HAVE_SYS_QUOTAS
|
---|
3044 | case NT_TRANSACT_GET_USER_QUOTA:
|
---|
3045 | {
|
---|
3046 | START_PROFILE(NT_transact_get_user_quota);
|
---|
3047 | call_nt_transact_get_user_quota(
|
---|
3048 | conn, req,
|
---|
3049 | &state->setup, state->setup_count,
|
---|
3050 | &state->param, state->total_param,
|
---|
3051 | &state->data, state->total_data,
|
---|
3052 | state->max_data_return);
|
---|
3053 | END_PROFILE(NT_transact_get_user_quota);
|
---|
3054 | break;
|
---|
3055 | }
|
---|
3056 |
|
---|
3057 | case NT_TRANSACT_SET_USER_QUOTA:
|
---|
3058 | {
|
---|
3059 | START_PROFILE(NT_transact_set_user_quota);
|
---|
3060 | call_nt_transact_set_user_quota(
|
---|
3061 | conn, req,
|
---|
3062 | &state->setup, state->setup_count,
|
---|
3063 | &state->param, state->total_param,
|
---|
3064 | &state->data, state->total_data,
|
---|
3065 | state->max_data_return);
|
---|
3066 | END_PROFILE(NT_transact_set_user_quota);
|
---|
3067 | break;
|
---|
3068 | }
|
---|
3069 | #endif /* HAVE_SYS_QUOTAS */
|
---|
3070 |
|
---|
3071 | default:
|
---|
3072 | /* Error in request */
|
---|
3073 | DEBUG(0,("handle_nttrans: Unknown request %d in "
|
---|
3074 | "nttrans call\n", state->call));
|
---|
3075 | reply_nterror(req, NT_STATUS_INVALID_LEVEL);
|
---|
3076 | return;
|
---|
3077 | }
|
---|
3078 | return;
|
---|
3079 | }
|
---|
3080 |
|
---|
3081 | /****************************************************************************
|
---|
3082 | Reply to a SMBNTtrans.
|
---|
3083 | ****************************************************************************/
|
---|
3084 |
|
---|
3085 | void reply_nttrans(struct smb_request *req)
|
---|
3086 | {
|
---|
3087 | connection_struct *conn = req->conn;
|
---|
3088 | uint32_t pscnt;
|
---|
3089 | uint32_t psoff;
|
---|
3090 | uint32_t dscnt;
|
---|
3091 | uint32_t dsoff;
|
---|
3092 | uint16 function_code;
|
---|
3093 | NTSTATUS result;
|
---|
3094 | struct trans_state *state;
|
---|
3095 |
|
---|
3096 | START_PROFILE(SMBnttrans);
|
---|
3097 |
|
---|
3098 | if (req->wct < 19) {
|
---|
3099 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
3100 | END_PROFILE(SMBnttrans);
|
---|
3101 | return;
|
---|
3102 | }
|
---|
3103 |
|
---|
3104 | pscnt = IVAL(req->vwv+9, 1);
|
---|
3105 | psoff = IVAL(req->vwv+11, 1);
|
---|
3106 | dscnt = IVAL(req->vwv+13, 1);
|
---|
3107 | dsoff = IVAL(req->vwv+15, 1);
|
---|
3108 | function_code = SVAL(req->vwv+18, 0);
|
---|
3109 |
|
---|
3110 | if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
|
---|
3111 | reply_nterror(req, NT_STATUS_ACCESS_DENIED);
|
---|
3112 | END_PROFILE(SMBnttrans);
|
---|
3113 | return;
|
---|
3114 | }
|
---|
3115 |
|
---|
3116 | result = allow_new_trans(conn->pending_trans, req->mid);
|
---|
3117 | if (!NT_STATUS_IS_OK(result)) {
|
---|
3118 | DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
|
---|
3119 | reply_nterror(req, result);
|
---|
3120 | END_PROFILE(SMBnttrans);
|
---|
3121 | return;
|
---|
3122 | }
|
---|
3123 |
|
---|
3124 | if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
|
---|
3125 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
3126 | END_PROFILE(SMBnttrans);
|
---|
3127 | return;
|
---|
3128 | }
|
---|
3129 |
|
---|
3130 | state->cmd = SMBnttrans;
|
---|
3131 |
|
---|
3132 | state->mid = req->mid;
|
---|
3133 | state->vuid = req->vuid;
|
---|
3134 | state->total_data = IVAL(req->vwv+3, 1);
|
---|
3135 | state->data = NULL;
|
---|
3136 | state->total_param = IVAL(req->vwv+1, 1);
|
---|
3137 | state->param = NULL;
|
---|
3138 | state->max_data_return = IVAL(req->vwv+7, 1);
|
---|
3139 | state->max_param_return = IVAL(req->vwv+5, 1);
|
---|
3140 |
|
---|
3141 | /* setup count is in *words* */
|
---|
3142 | state->setup_count = 2*CVAL(req->vwv+17, 1);
|
---|
3143 | state->setup = NULL;
|
---|
3144 | state->call = function_code;
|
---|
3145 |
|
---|
3146 | DEBUG(10, ("num_setup=%u, "
|
---|
3147 | "param_total=%u, this_param=%u, max_param=%u, "
|
---|
3148 | "data_total=%u, this_data=%u, max_data=%u, "
|
---|
3149 | "param_offset=%u, data_offset=%u\n",
|
---|
3150 | (unsigned)state->setup_count,
|
---|
3151 | (unsigned)state->total_param, (unsigned)pscnt,
|
---|
3152 | (unsigned)state->max_param_return,
|
---|
3153 | (unsigned)state->total_data, (unsigned)dscnt,
|
---|
3154 | (unsigned)state->max_data_return,
|
---|
3155 | (unsigned)psoff, (unsigned)dsoff));
|
---|
3156 |
|
---|
3157 | /*
|
---|
3158 | * All nttrans messages we handle have smb_wct == 19 +
|
---|
3159 | * state->setup_count. Ensure this is so as a sanity check.
|
---|
3160 | */
|
---|
3161 |
|
---|
3162 | if(req->wct != 19 + (state->setup_count/2)) {
|
---|
3163 | DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
|
---|
3164 | req->wct, 19 + (state->setup_count/2)));
|
---|
3165 | goto bad_param;
|
---|
3166 | }
|
---|
3167 |
|
---|
3168 | /* Don't allow more than 128mb for each value. */
|
---|
3169 | if ((state->total_data > (1024*1024*128)) ||
|
---|
3170 | (state->total_param > (1024*1024*128))) {
|
---|
3171 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
3172 | END_PROFILE(SMBnttrans);
|
---|
3173 | return;
|
---|
3174 | }
|
---|
3175 |
|
---|
3176 | if ((dscnt > state->total_data) || (pscnt > state->total_param))
|
---|
3177 | goto bad_param;
|
---|
3178 |
|
---|
3179 | if (state->total_data) {
|
---|
3180 |
|
---|
3181 | if (trans_oob(state->total_data, 0, dscnt)
|
---|
3182 | || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
|
---|
3183 | goto bad_param;
|
---|
3184 | }
|
---|
3185 |
|
---|
3186 | /* Can't use talloc here, the core routines do realloc on the
|
---|
3187 | * params and data. */
|
---|
3188 | if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
|
---|
3189 | DEBUG(0,("reply_nttrans: data malloc fail for %u "
|
---|
3190 | "bytes !\n", (unsigned int)state->total_data));
|
---|
3191 | TALLOC_FREE(state);
|
---|
3192 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
3193 | END_PROFILE(SMBnttrans);
|
---|
3194 | return;
|
---|
3195 | }
|
---|
3196 |
|
---|
3197 | memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
|
---|
3198 | }
|
---|
3199 |
|
---|
3200 | if (state->total_param) {
|
---|
3201 |
|
---|
3202 | if (trans_oob(state->total_param, 0, pscnt)
|
---|
3203 | || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
|
---|
3204 | goto bad_param;
|
---|
3205 | }
|
---|
3206 |
|
---|
3207 | /* Can't use talloc here, the core routines do realloc on the
|
---|
3208 | * params and data. */
|
---|
3209 | if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
|
---|
3210 | DEBUG(0,("reply_nttrans: param malloc fail for %u "
|
---|
3211 | "bytes !\n", (unsigned int)state->total_param));
|
---|
3212 | SAFE_FREE(state->data);
|
---|
3213 | TALLOC_FREE(state);
|
---|
3214 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
3215 | END_PROFILE(SMBnttrans);
|
---|
3216 | return;
|
---|
3217 | }
|
---|
3218 |
|
---|
3219 | memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
|
---|
3220 | }
|
---|
3221 |
|
---|
3222 | state->received_data = dscnt;
|
---|
3223 | state->received_param = pscnt;
|
---|
3224 |
|
---|
3225 | if(state->setup_count > 0) {
|
---|
3226 | DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
|
---|
3227 | state->setup_count));
|
---|
3228 |
|
---|
3229 | /*
|
---|
3230 | * No overflow possible here, state->setup_count is an
|
---|
3231 | * unsigned int, being filled by a single byte from
|
---|
3232 | * CVAL(req->vwv+13, 0) above. The cast in the comparison
|
---|
3233 | * below is not necessary, it's here to clarify things. The
|
---|
3234 | * validity of req->vwv and req->wct has been checked in
|
---|
3235 | * init_smb_request already.
|
---|
3236 | */
|
---|
3237 | if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
|
---|
3238 | goto bad_param;
|
---|
3239 | }
|
---|
3240 |
|
---|
3241 | state->setup = (uint16 *)TALLOC(state, state->setup_count);
|
---|
3242 | if (state->setup == NULL) {
|
---|
3243 | DEBUG(0,("reply_nttrans : Out of memory\n"));
|
---|
3244 | SAFE_FREE(state->data);
|
---|
3245 | SAFE_FREE(state->param);
|
---|
3246 | TALLOC_FREE(state);
|
---|
3247 | reply_nterror(req, NT_STATUS_NO_MEMORY);
|
---|
3248 | END_PROFILE(SMBnttrans);
|
---|
3249 | return;
|
---|
3250 | }
|
---|
3251 |
|
---|
3252 | memcpy(state->setup, req->vwv+19, state->setup_count);
|
---|
3253 | dump_data(10, (uint8 *)state->setup, state->setup_count);
|
---|
3254 | }
|
---|
3255 |
|
---|
3256 | if ((state->received_data == state->total_data) &&
|
---|
3257 | (state->received_param == state->total_param)) {
|
---|
3258 | handle_nttrans(conn, state, req);
|
---|
3259 | SAFE_FREE(state->param);
|
---|
3260 | SAFE_FREE(state->data);
|
---|
3261 | TALLOC_FREE(state);
|
---|
3262 | END_PROFILE(SMBnttrans);
|
---|
3263 | return;
|
---|
3264 | }
|
---|
3265 |
|
---|
3266 | DLIST_ADD(conn->pending_trans, state);
|
---|
3267 |
|
---|
3268 | /* We need to send an interim response then receive the rest
|
---|
3269 | of the parameter/data bytes */
|
---|
3270 | reply_outbuf(req, 0, 0);
|
---|
3271 | show_msg((char *)req->outbuf);
|
---|
3272 | END_PROFILE(SMBnttrans);
|
---|
3273 | return;
|
---|
3274 |
|
---|
3275 | bad_param:
|
---|
3276 |
|
---|
3277 | DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
|
---|
3278 | SAFE_FREE(state->data);
|
---|
3279 | SAFE_FREE(state->param);
|
---|
3280 | TALLOC_FREE(state);
|
---|
3281 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
3282 | END_PROFILE(SMBnttrans);
|
---|
3283 | return;
|
---|
3284 | }
|
---|
3285 |
|
---|
3286 | /****************************************************************************
|
---|
3287 | Reply to a SMBnttranss
|
---|
3288 | ****************************************************************************/
|
---|
3289 |
|
---|
3290 | void reply_nttranss(struct smb_request *req)
|
---|
3291 | {
|
---|
3292 | connection_struct *conn = req->conn;
|
---|
3293 | uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
|
---|
3294 | struct trans_state *state;
|
---|
3295 |
|
---|
3296 | START_PROFILE(SMBnttranss);
|
---|
3297 |
|
---|
3298 | show_msg((char *)req->inbuf);
|
---|
3299 |
|
---|
3300 | /* Windows clients expect all replies to
|
---|
3301 | an NT transact secondary (SMBnttranss 0xA1)
|
---|
3302 | to have a command code of NT transact
|
---|
3303 | (SMBnttrans 0xA0). See bug #8989 for details. */
|
---|
3304 | req->cmd = SMBnttrans;
|
---|
3305 |
|
---|
3306 | if (req->wct < 18) {
|
---|
3307 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
3308 | END_PROFILE(SMBnttranss);
|
---|
3309 | return;
|
---|
3310 | }
|
---|
3311 |
|
---|
3312 | for (state = conn->pending_trans; state != NULL;
|
---|
3313 | state = state->next) {
|
---|
3314 | if (state->mid == req->mid) {
|
---|
3315 | break;
|
---|
3316 | }
|
---|
3317 | }
|
---|
3318 |
|
---|
3319 | if ((state == NULL) || (state->cmd != SMBnttrans)) {
|
---|
3320 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
3321 | END_PROFILE(SMBnttranss);
|
---|
3322 | return;
|
---|
3323 | }
|
---|
3324 |
|
---|
3325 | /* Revise state->total_param and state->total_data in case they have
|
---|
3326 | changed downwards */
|
---|
3327 | if (IVAL(req->vwv+1, 1) < state->total_param) {
|
---|
3328 | state->total_param = IVAL(req->vwv+1, 1);
|
---|
3329 | }
|
---|
3330 | if (IVAL(req->vwv+3, 1) < state->total_data) {
|
---|
3331 | state->total_data = IVAL(req->vwv+3, 1);
|
---|
3332 | }
|
---|
3333 |
|
---|
3334 | pcnt = IVAL(req->vwv+5, 1);
|
---|
3335 | poff = IVAL(req->vwv+7, 1);
|
---|
3336 | pdisp = IVAL(req->vwv+9, 1);
|
---|
3337 |
|
---|
3338 | dcnt = IVAL(req->vwv+11, 1);
|
---|
3339 | doff = IVAL(req->vwv+13, 1);
|
---|
3340 | ddisp = IVAL(req->vwv+15, 1);
|
---|
3341 |
|
---|
3342 | state->received_param += pcnt;
|
---|
3343 | state->received_data += dcnt;
|
---|
3344 |
|
---|
3345 | if ((state->received_data > state->total_data) ||
|
---|
3346 | (state->received_param > state->total_param))
|
---|
3347 | goto bad_param;
|
---|
3348 |
|
---|
3349 | if (pcnt) {
|
---|
3350 | if (trans_oob(state->total_param, pdisp, pcnt)
|
---|
3351 | || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
|
---|
3352 | goto bad_param;
|
---|
3353 | }
|
---|
3354 | memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
|
---|
3355 | }
|
---|
3356 |
|
---|
3357 | if (dcnt) {
|
---|
3358 | if (trans_oob(state->total_data, ddisp, dcnt)
|
---|
3359 | || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
|
---|
3360 | goto bad_param;
|
---|
3361 | }
|
---|
3362 | memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
|
---|
3363 | }
|
---|
3364 |
|
---|
3365 | if ((state->received_param < state->total_param) ||
|
---|
3366 | (state->received_data < state->total_data)) {
|
---|
3367 | END_PROFILE(SMBnttranss);
|
---|
3368 | return;
|
---|
3369 | }
|
---|
3370 |
|
---|
3371 | handle_nttrans(conn, state, req);
|
---|
3372 |
|
---|
3373 | DLIST_REMOVE(conn->pending_trans, state);
|
---|
3374 | SAFE_FREE(state->data);
|
---|
3375 | SAFE_FREE(state->param);
|
---|
3376 | TALLOC_FREE(state);
|
---|
3377 | END_PROFILE(SMBnttranss);
|
---|
3378 | return;
|
---|
3379 |
|
---|
3380 | bad_param:
|
---|
3381 |
|
---|
3382 | DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
|
---|
3383 | DLIST_REMOVE(conn->pending_trans, state);
|
---|
3384 | SAFE_FREE(state->data);
|
---|
3385 | SAFE_FREE(state->param);
|
---|
3386 | TALLOC_FREE(state);
|
---|
3387 | reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
---|
3388 | END_PROFILE(SMBnttranss);
|
---|
3389 | return;
|
---|
3390 | }
|
---|