| 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; | 
|---|
| 456 | struct timespec m_timespec; | 
|---|
| 457 | struct timespec write_time_ts; | 
|---|
| 458 | NTSTATUS status; | 
|---|
| 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 | } | 
|---|