mirror of
https://github.com/samba-team/samba.git
synced 2024-12-28 07:21:54 +03:00
ad06edd1bb
Jeremy.
4753 lines
126 KiB
C
4753 lines
126 KiB
C
/*
|
|
Unix SMB/CIFS implementation.
|
|
Main SMB reply routines
|
|
Copyright (C) Andrew Tridgell 1992-1998
|
|
Copyright (C) Andrew Bartlett 2001
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
/*
|
|
This file handles most of the reply_ calls that the server
|
|
makes to handle specific protocols
|
|
*/
|
|
|
|
#include "includes.h"
|
|
|
|
/* look in server.c for some explanation of these variables */
|
|
extern int Protocol;
|
|
extern int max_send;
|
|
extern int max_recv;
|
|
extern char magic_char;
|
|
extern BOOL case_sensitive;
|
|
extern BOOL case_preserve;
|
|
extern BOOL short_case_preserve;
|
|
extern int global_oplock_break;
|
|
unsigned int smb_echo_count = 0;
|
|
|
|
extern BOOL global_encrypted_passwords_negotiated;
|
|
|
|
/****************************************************************************
|
|
Ensure we check the path in *exactly* the same way as W2K.
|
|
****************************************************************************/
|
|
|
|
NTSTATUS check_path_syntax(const char *name)
|
|
{
|
|
while (*name == '\\' || *name == '/')
|
|
name++;
|
|
if (name[0] == '.' && name[1] == '\0')
|
|
return NT_STATUS_OBJECT_NAME_INVALID;
|
|
else if (name[0] == '.' && name[1] == '.' &&
|
|
(name[2] == '\\' || name [2] == '/' || name[2] == '\0'))
|
|
return NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Pull a string and check the path - provide for error return.
|
|
****************************************************************************/
|
|
|
|
size_t srvstr_get_path(char *inbuf, char *dest, const char *src, size_t dest_len, int flags, NTSTATUS *err)
|
|
{
|
|
size_t ret = srvstr_pull_buf( inbuf, dest, src, dest_len, flags);
|
|
*err = check_path_syntax(dest);
|
|
return ret;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a special message.
|
|
****************************************************************************/
|
|
|
|
int reply_special(char *inbuf,char *outbuf)
|
|
{
|
|
int outsize = 4;
|
|
int msg_type = CVAL(inbuf,0);
|
|
int msg_flags = CVAL(inbuf,1);
|
|
pstring name1,name2;
|
|
char name_type = 0;
|
|
|
|
static BOOL already_got_session = False;
|
|
|
|
*name1 = *name2 = 0;
|
|
|
|
memset(outbuf,'\0',smb_size);
|
|
|
|
smb_setlen(outbuf,0);
|
|
|
|
switch (msg_type) {
|
|
case 0x81: /* session request */
|
|
|
|
if (already_got_session) {
|
|
exit_server("multiple session request not permitted");
|
|
}
|
|
|
|
SCVAL(outbuf,0,0x82);
|
|
SCVAL(outbuf,3,0);
|
|
if (name_len(inbuf+4) > 50 ||
|
|
name_len(inbuf+4 + name_len(inbuf + 4)) > 50) {
|
|
DEBUG(0,("Invalid name length in session request\n"));
|
|
return(0);
|
|
}
|
|
name_extract(inbuf,4,name1);
|
|
name_type = name_extract(inbuf,4 + name_len(inbuf + 4),name2);
|
|
DEBUG(2,("netbios connect: name1=%s name2=%s\n",
|
|
name1,name2));
|
|
|
|
set_local_machine_name(name1, True);
|
|
set_remote_machine_name(name2, True);
|
|
|
|
DEBUG(2,("netbios connect: local=%s remote=%s, name type = %x\n",
|
|
get_local_machine_name(), get_remote_machine_name(),
|
|
name_type));
|
|
|
|
if (name_type == 'R') {
|
|
/* We are being asked for a pathworks session ---
|
|
no thanks! */
|
|
SCVAL(outbuf, 0,0x83);
|
|
break;
|
|
}
|
|
|
|
/* only add the client's machine name to the list
|
|
of possibly valid usernames if we are operating
|
|
in share mode security */
|
|
if (lp_security() == SEC_SHARE) {
|
|
add_session_user(get_remote_machine_name());
|
|
}
|
|
|
|
reload_services(True);
|
|
reopen_logs();
|
|
|
|
claim_connection(NULL,"",0,True,FLAG_MSG_GENERAL|FLAG_MSG_SMBD);
|
|
|
|
already_got_session = True;
|
|
break;
|
|
|
|
case 0x89: /* session keepalive request
|
|
(some old clients produce this?) */
|
|
SCVAL(outbuf,0,SMBkeepalive);
|
|
SCVAL(outbuf,3,0);
|
|
break;
|
|
|
|
case 0x82: /* positive session response */
|
|
case 0x83: /* negative session response */
|
|
case 0x84: /* retarget session response */
|
|
DEBUG(0,("Unexpected session response\n"));
|
|
break;
|
|
|
|
case SMBkeepalive: /* session keepalive */
|
|
default:
|
|
return(0);
|
|
}
|
|
|
|
DEBUG(5,("init msg_type=0x%x msg_flags=0x%x\n",
|
|
msg_type, msg_flags));
|
|
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a tcon.
|
|
****************************************************************************/
|
|
|
|
int reply_tcon(connection_struct *conn,
|
|
char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
const char *service;
|
|
pstring service_buf;
|
|
pstring password;
|
|
pstring dev;
|
|
int outsize = 0;
|
|
uint16 vuid = SVAL(inbuf,smb_uid);
|
|
int pwlen=0;
|
|
NTSTATUS nt_status;
|
|
char *p;
|
|
DATA_BLOB password_blob;
|
|
|
|
START_PROFILE(SMBtcon);
|
|
|
|
*service_buf = *password = *dev = 0;
|
|
|
|
p = smb_buf(inbuf)+1;
|
|
p += srvstr_pull_buf(inbuf, service_buf, p, sizeof(service_buf), STR_TERMINATE) + 1;
|
|
pwlen = srvstr_pull_buf(inbuf, password, p, sizeof(password), STR_TERMINATE) + 1;
|
|
p += pwlen;
|
|
p += srvstr_pull_buf(inbuf, dev, p, sizeof(dev), STR_TERMINATE) + 1;
|
|
|
|
p = strrchr_m(service_buf,'\\');
|
|
if (p) {
|
|
service = p+1;
|
|
} else {
|
|
service = service_buf;
|
|
}
|
|
|
|
password_blob = data_blob(password, pwlen+1);
|
|
|
|
conn = make_connection(service,password_blob,dev,vuid,&nt_status);
|
|
|
|
data_blob_clear_free(&password_blob);
|
|
|
|
if (!conn) {
|
|
END_PROFILE(SMBtcon);
|
|
return ERROR_NT(nt_status);
|
|
}
|
|
|
|
outsize = set_message(outbuf,2,0,True);
|
|
SSVAL(outbuf,smb_vwv0,max_recv);
|
|
SSVAL(outbuf,smb_vwv1,conn->cnum);
|
|
SSVAL(outbuf,smb_tid,conn->cnum);
|
|
|
|
DEBUG(3,("tcon service=%s cnum=%d\n",
|
|
service, conn->cnum));
|
|
|
|
END_PROFILE(SMBtcon);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a tcon and X.
|
|
****************************************************************************/
|
|
|
|
int reply_tcon_and_X(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
|
|
{
|
|
fstring service;
|
|
DATA_BLOB password;
|
|
|
|
/* what the cleint thinks the device is */
|
|
fstring client_devicetype;
|
|
/* what the server tells the client the share represents */
|
|
const char *server_devicetype;
|
|
NTSTATUS nt_status;
|
|
uint16 vuid = SVAL(inbuf,smb_uid);
|
|
int passlen = SVAL(inbuf,smb_vwv3);
|
|
pstring path;
|
|
char *p, *q;
|
|
extern BOOL global_encrypted_passwords_negotiated;
|
|
|
|
START_PROFILE(SMBtconX);
|
|
|
|
*service = *client_devicetype = 0;
|
|
|
|
/* we might have to close an old one */
|
|
if ((SVAL(inbuf,smb_vwv2) & 0x1) && conn) {
|
|
close_cnum(conn,vuid);
|
|
}
|
|
|
|
if (passlen > MAX_PASS_LEN) {
|
|
return ERROR_DOS(ERRDOS,ERRbuftoosmall);
|
|
}
|
|
|
|
if (global_encrypted_passwords_negotiated) {
|
|
password = data_blob(smb_buf(inbuf),passlen);
|
|
} else {
|
|
password = data_blob(smb_buf(inbuf),passlen+1);
|
|
/* Ensure correct termination */
|
|
password.data[passlen]=0;
|
|
}
|
|
|
|
p = smb_buf(inbuf) + passlen;
|
|
p += srvstr_pull_buf(inbuf, path, p, sizeof(path), STR_TERMINATE);
|
|
|
|
/*
|
|
* the service name can be either: \\server\share
|
|
* or share directly like on the DELL PowerVault 705
|
|
*/
|
|
if (*path=='\\') {
|
|
q = strchr_m(path+2,'\\');
|
|
if (!q) {
|
|
END_PROFILE(SMBtconX);
|
|
return(ERROR_DOS(ERRDOS,ERRnosuchshare));
|
|
}
|
|
fstrcpy(service,q+1);
|
|
}
|
|
else
|
|
fstrcpy(service,path);
|
|
|
|
p += srvstr_pull(inbuf, client_devicetype, p, sizeof(client_devicetype), 6, STR_ASCII);
|
|
|
|
DEBUG(4,("Client requested device type [%s] for share [%s]\n", client_devicetype, service));
|
|
|
|
conn = make_connection(service,password,client_devicetype,vuid,&nt_status);
|
|
|
|
data_blob_clear_free(&password);
|
|
|
|
if (!conn) {
|
|
END_PROFILE(SMBtconX);
|
|
return ERROR_NT(nt_status);
|
|
}
|
|
|
|
if ( IS_IPC(conn) )
|
|
server_devicetype = "IPC";
|
|
else if ( IS_PRINT(conn) )
|
|
server_devicetype = "LPT1:";
|
|
else
|
|
server_devicetype = "A:";
|
|
|
|
if (Protocol < PROTOCOL_NT1) {
|
|
set_message(outbuf,2,0,True);
|
|
p = smb_buf(outbuf);
|
|
p += srvstr_push(outbuf, p, server_devicetype, -1,
|
|
STR_TERMINATE|STR_ASCII);
|
|
set_message_end(outbuf,p);
|
|
} else {
|
|
/* NT sets the fstype of IPC$ to the null string */
|
|
const char *fstype = IS_IPC(conn) ? "" : lp_fstype(SNUM(conn));
|
|
|
|
set_message(outbuf,3,0,True);
|
|
|
|
p = smb_buf(outbuf);
|
|
p += srvstr_push(outbuf, p, server_devicetype, -1,
|
|
STR_TERMINATE|STR_ASCII);
|
|
p += srvstr_push(outbuf, p, fstype, -1,
|
|
STR_TERMINATE);
|
|
|
|
set_message_end(outbuf,p);
|
|
|
|
/* what does setting this bit do? It is set by NT4 and
|
|
may affect the ability to autorun mounted cdroms */
|
|
SSVAL(outbuf, smb_vwv2, SMB_SUPPORT_SEARCH_BITS|
|
|
(lp_csc_policy(SNUM(conn)) << 2));
|
|
|
|
init_dfsroot(conn, inbuf, outbuf);
|
|
}
|
|
|
|
|
|
DEBUG(3,("tconX service=%s \n",
|
|
service));
|
|
|
|
/* set the incoming and outgoing tid to the just created one */
|
|
SSVAL(inbuf,smb_tid,conn->cnum);
|
|
SSVAL(outbuf,smb_tid,conn->cnum);
|
|
|
|
END_PROFILE(SMBtconX);
|
|
return chain_reply(inbuf,outbuf,length,bufsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to an unknown type.
|
|
****************************************************************************/
|
|
|
|
int reply_unknown(char *inbuf,char *outbuf)
|
|
{
|
|
int type;
|
|
type = CVAL(inbuf,smb_com);
|
|
|
|
DEBUG(0,("unknown command type (%s): type=%d (0x%X)\n",
|
|
smb_fn_name(type), type, type));
|
|
|
|
return(ERROR_DOS(ERRSRV,ERRunknownsmb));
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to an ioctl.
|
|
****************************************************************************/
|
|
|
|
int reply_ioctl(connection_struct *conn,
|
|
char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
uint16 device = SVAL(inbuf,smb_vwv1);
|
|
uint16 function = SVAL(inbuf,smb_vwv2);
|
|
uint32 ioctl_code = (device << 16) + function;
|
|
int replysize, outsize;
|
|
char *p;
|
|
START_PROFILE(SMBioctl);
|
|
|
|
DEBUG(4, ("Received IOCTL (code 0x%x)\n", ioctl_code));
|
|
|
|
switch (ioctl_code) {
|
|
case IOCTL_QUERY_JOB_INFO:
|
|
replysize = 32;
|
|
break;
|
|
default:
|
|
END_PROFILE(SMBioctl);
|
|
return(ERROR_DOS(ERRSRV,ERRnosupport));
|
|
}
|
|
|
|
outsize = set_message(outbuf,8,replysize+1,True);
|
|
SSVAL(outbuf,smb_vwv1,replysize); /* Total data bytes returned */
|
|
SSVAL(outbuf,smb_vwv5,replysize); /* Data bytes this buffer */
|
|
SSVAL(outbuf,smb_vwv6,52); /* Offset to data */
|
|
p = smb_buf(outbuf) + 1; /* Allow for alignment */
|
|
|
|
switch (ioctl_code) {
|
|
case IOCTL_QUERY_JOB_INFO:
|
|
{
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
if (!fsp) {
|
|
END_PROFILE(SMBioctl);
|
|
return(UNIXERROR(ERRDOS,ERRbadfid));
|
|
}
|
|
SSVAL(p,0,fsp->rap_print_jobid); /* Job number */
|
|
srvstr_push(outbuf, p+2, global_myname(), 15, STR_TERMINATE|STR_ASCII);
|
|
srvstr_push(outbuf, p+18, lp_servicename(SNUM(conn)), 13, STR_TERMINATE|STR_ASCII);
|
|
break;
|
|
}
|
|
}
|
|
|
|
END_PROFILE(SMBioctl);
|
|
return outsize;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a chkpth.
|
|
****************************************************************************/
|
|
|
|
int reply_chkpth(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
int outsize = 0;
|
|
int mode;
|
|
pstring name;
|
|
BOOL ok = False;
|
|
BOOL bad_path = False;
|
|
SMB_STRUCT_STAT sbuf;
|
|
NTSTATUS status;
|
|
|
|
START_PROFILE(SMBchkpth);
|
|
|
|
srvstr_get_path(inbuf, name, smb_buf(inbuf) + 1, sizeof(name), STR_TERMINATE, &status);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
END_PROFILE(SMBchkpth);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
RESOLVE_DFSPATH(name, conn, inbuf, outbuf);
|
|
|
|
unix_convert(name,conn,0,&bad_path,&sbuf);
|
|
|
|
mode = SVAL(inbuf,smb_vwv0);
|
|
|
|
if (check_name(name,conn)) {
|
|
if (VALID_STAT(sbuf) || SMB_VFS_STAT(conn,name,&sbuf) == 0)
|
|
if (!(ok = S_ISDIR(sbuf.st_mode))) {
|
|
END_PROFILE(SMBchkpth);
|
|
return ERROR_BOTH(NT_STATUS_NOT_A_DIRECTORY,ERRDOS,ERRbadpath);
|
|
}
|
|
}
|
|
|
|
if (!ok) {
|
|
/* We special case this - as when a Windows machine
|
|
is parsing a path is steps through the components
|
|
one at a time - if a component fails it expects
|
|
ERRbadpath, not ERRbadfile.
|
|
*/
|
|
if(errno == ENOENT) {
|
|
/*
|
|
* Windows returns different error codes if
|
|
* the parent directory is valid but not the
|
|
* last component - it returns NT_STATUS_OBJECT_NAME_NOT_FOUND
|
|
* for that case and NT_STATUS_OBJECT_PATH_NOT_FOUND
|
|
* if the path is invalid.
|
|
*/
|
|
if (bad_path) {
|
|
END_PROFILE(SMBchkpth);
|
|
return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
|
|
} else {
|
|
END_PROFILE(SMBchkpth);
|
|
return ERROR_NT(NT_STATUS_OBJECT_NAME_NOT_FOUND);
|
|
}
|
|
} else if (errno == ENOTDIR) {
|
|
END_PROFILE(SMBchkpth);
|
|
return ERROR_NT(NT_STATUS_NOT_A_DIRECTORY);
|
|
}
|
|
|
|
END_PROFILE(SMBchkpth);
|
|
return(UNIXERROR(ERRDOS,ERRbadpath));
|
|
}
|
|
|
|
outsize = set_message(outbuf,0,0,True);
|
|
|
|
DEBUG(3,("chkpth %s mode=%d\n", name, mode));
|
|
|
|
END_PROFILE(SMBchkpth);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a getatr.
|
|
****************************************************************************/
|
|
|
|
int reply_getatr(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
pstring fname;
|
|
int outsize = 0;
|
|
SMB_STRUCT_STAT sbuf;
|
|
BOOL ok = False;
|
|
int mode=0;
|
|
SMB_OFF_T size=0;
|
|
time_t mtime=0;
|
|
BOOL bad_path = False;
|
|
char *p;
|
|
NTSTATUS status;
|
|
|
|
START_PROFILE(SMBgetatr);
|
|
|
|
p = smb_buf(inbuf) + 1;
|
|
p += srvstr_get_path(inbuf, fname, p, sizeof(fname), STR_TERMINATE,&status);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
END_PROFILE(SMBgetatr);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
|
|
|
|
/* dos smetimes asks for a stat of "" - it returns a "hidden directory"
|
|
under WfWg - weird! */
|
|
if (! (*fname)) {
|
|
mode = aHIDDEN | aDIR;
|
|
if (!CAN_WRITE(conn))
|
|
mode |= aRONLY;
|
|
size = 0;
|
|
mtime = 0;
|
|
ok = True;
|
|
} else {
|
|
unix_convert(fname,conn,0,&bad_path,&sbuf);
|
|
if (check_name(fname,conn)) {
|
|
if (VALID_STAT(sbuf) || SMB_VFS_STAT(conn,fname,&sbuf) == 0) {
|
|
mode = dos_mode(conn,fname,&sbuf);
|
|
size = sbuf.st_size;
|
|
mtime = sbuf.st_mtime;
|
|
if (mode & aDIR)
|
|
size = 0;
|
|
ok = True;
|
|
} else {
|
|
DEBUG(3,("stat of %s failed (%s)\n",fname,strerror(errno)));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!ok) {
|
|
END_PROFILE(SMBgetatr);
|
|
return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRbadfile);
|
|
}
|
|
|
|
outsize = set_message(outbuf,10,0,True);
|
|
|
|
SSVAL(outbuf,smb_vwv0,mode);
|
|
if(lp_dos_filetime_resolution(SNUM(conn)) )
|
|
put_dos_date3(outbuf,smb_vwv1,mtime & ~1);
|
|
else
|
|
put_dos_date3(outbuf,smb_vwv1,mtime);
|
|
SIVAL(outbuf,smb_vwv3,(uint32)size);
|
|
|
|
if (Protocol >= PROTOCOL_NT1)
|
|
SSVAL(outbuf,smb_flg2,SVAL(outbuf, smb_flg2) | FLAGS2_IS_LONG_NAME);
|
|
|
|
DEBUG( 3, ( "getatr name=%s mode=%d size=%d\n", fname, mode, (uint32)size ) );
|
|
|
|
END_PROFILE(SMBgetatr);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a setatr.
|
|
****************************************************************************/
|
|
|
|
int reply_setatr(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
pstring fname;
|
|
int outsize = 0;
|
|
BOOL ok=False;
|
|
int mode;
|
|
time_t mtime;
|
|
SMB_STRUCT_STAT sbuf;
|
|
BOOL bad_path = False;
|
|
char *p;
|
|
NTSTATUS status;
|
|
|
|
START_PROFILE(SMBsetatr);
|
|
|
|
p = smb_buf(inbuf) + 1;
|
|
p += srvstr_get_path(inbuf, fname, p, sizeof(fname), STR_TERMINATE,&status);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
END_PROFILE(SMBsetatr);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
unix_convert(fname,conn,0,&bad_path,&sbuf);
|
|
|
|
mode = SVAL(inbuf,smb_vwv0);
|
|
mtime = make_unix_date3(inbuf+smb_vwv1);
|
|
|
|
if (mode != FILE_ATTRIBUTE_NORMAL) {
|
|
if (VALID_STAT_OF_DIR(sbuf))
|
|
mode |= aDIR;
|
|
else
|
|
mode &= ~aDIR;
|
|
|
|
if (check_name(fname,conn))
|
|
ok = (file_chmod(conn,fname,mode,NULL) == 0);
|
|
} else {
|
|
ok = True;
|
|
}
|
|
|
|
if (ok)
|
|
ok = set_filetime(conn,fname,mtime);
|
|
|
|
if (!ok) {
|
|
END_PROFILE(SMBsetatr);
|
|
return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnoaccess);
|
|
}
|
|
|
|
outsize = set_message(outbuf,0,0,True);
|
|
|
|
DEBUG( 3, ( "setatr name=%s mode=%d\n", fname, mode ) );
|
|
|
|
END_PROFILE(SMBsetatr);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a dskattr.
|
|
****************************************************************************/
|
|
|
|
int reply_dskattr(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
int outsize = 0;
|
|
SMB_BIG_UINT dfree,dsize,bsize;
|
|
START_PROFILE(SMBdskattr);
|
|
|
|
SMB_VFS_DISK_FREE(conn,".",True,&bsize,&dfree,&dsize);
|
|
|
|
outsize = set_message(outbuf,5,0,True);
|
|
|
|
if (Protocol <= PROTOCOL_LANMAN2) {
|
|
double total_space, free_space;
|
|
/* we need to scale this to a number that DOS6 can handle. We
|
|
use floating point so we can handle large drives on systems
|
|
that don't have 64 bit integers
|
|
|
|
we end up displaying a maximum of 2G to DOS systems
|
|
*/
|
|
total_space = dsize * (double)bsize;
|
|
free_space = dfree * (double)bsize;
|
|
|
|
dsize = (total_space+63*512) / (64*512);
|
|
dfree = (free_space+63*512) / (64*512);
|
|
|
|
if (dsize > 0xFFFF) dsize = 0xFFFF;
|
|
if (dfree > 0xFFFF) dfree = 0xFFFF;
|
|
|
|
SSVAL(outbuf,smb_vwv0,dsize);
|
|
SSVAL(outbuf,smb_vwv1,64); /* this must be 64 for dos systems */
|
|
SSVAL(outbuf,smb_vwv2,512); /* and this must be 512 */
|
|
SSVAL(outbuf,smb_vwv3,dfree);
|
|
} else {
|
|
SSVAL(outbuf,smb_vwv0,dsize);
|
|
SSVAL(outbuf,smb_vwv1,bsize/512);
|
|
SSVAL(outbuf,smb_vwv2,512);
|
|
SSVAL(outbuf,smb_vwv3,dfree);
|
|
}
|
|
|
|
DEBUG(3,("dskattr dfree=%d\n", (unsigned int)dfree));
|
|
|
|
END_PROFILE(SMBdskattr);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a search.
|
|
Can be called from SMBsearch, SMBffirst or SMBfunique.
|
|
****************************************************************************/
|
|
|
|
int reply_search(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
pstring mask;
|
|
pstring directory;
|
|
pstring fname;
|
|
SMB_OFF_T size;
|
|
int mode;
|
|
time_t date;
|
|
int dirtype;
|
|
int outsize = 0;
|
|
unsigned int numentries = 0;
|
|
unsigned int maxentries = 0;
|
|
BOOL finished = False;
|
|
char *p;
|
|
BOOL ok = False;
|
|
int status_len;
|
|
pstring path;
|
|
char status[21];
|
|
int dptr_num= -1;
|
|
BOOL check_descend = False;
|
|
BOOL expect_close = False;
|
|
BOOL can_open = True;
|
|
BOOL bad_path = False;
|
|
NTSTATUS nt_status;
|
|
START_PROFILE(SMBsearch);
|
|
|
|
*mask = *directory = *fname = 0;
|
|
|
|
/* If we were called as SMBffirst then we must expect close. */
|
|
if(CVAL(inbuf,smb_com) == SMBffirst)
|
|
expect_close = True;
|
|
|
|
outsize = set_message(outbuf,1,3,True);
|
|
maxentries = SVAL(inbuf,smb_vwv0);
|
|
dirtype = SVAL(inbuf,smb_vwv1);
|
|
p = smb_buf(inbuf) + 1;
|
|
p += srvstr_get_path(inbuf, path, p, sizeof(path), STR_TERMINATE,&nt_status);
|
|
if (!NT_STATUS_IS_OK(nt_status)) {
|
|
END_PROFILE(SMBsearch);
|
|
return ERROR_NT(nt_status);
|
|
}
|
|
p++;
|
|
status_len = SVAL(p, 0);
|
|
p += 2;
|
|
|
|
/* dirtype &= ~aDIR; */
|
|
|
|
if (status_len == 0) {
|
|
SMB_STRUCT_STAT sbuf;
|
|
pstring dir2;
|
|
|
|
pstrcpy(directory,path);
|
|
pstrcpy(dir2,path);
|
|
unix_convert(directory,conn,0,&bad_path,&sbuf);
|
|
unix_format(dir2);
|
|
|
|
if (!check_name(directory,conn))
|
|
can_open = False;
|
|
|
|
p = strrchr_m(dir2,'/');
|
|
if (p == NULL) {
|
|
pstrcpy(mask,dir2);
|
|
*dir2 = 0;
|
|
} else {
|
|
*p = 0;
|
|
pstrcpy(mask,p+1);
|
|
}
|
|
|
|
p = strrchr_m(directory,'/');
|
|
if (!p)
|
|
*directory = 0;
|
|
else
|
|
*p = 0;
|
|
|
|
if (strlen(directory) == 0)
|
|
pstrcpy(directory,".");
|
|
memset((char *)status,'\0',21);
|
|
SCVAL(status,0,(dirtype & 0x1F));
|
|
} else {
|
|
int status_dirtype;
|
|
|
|
memcpy(status,p,21);
|
|
status_dirtype = CVAL(status,0) & 0x1F;
|
|
if (status_dirtype != (dirtype & 0x1F))
|
|
dirtype = status_dirtype;
|
|
|
|
conn->dirptr = dptr_fetch(status+12,&dptr_num);
|
|
if (!conn->dirptr)
|
|
goto SearchEmpty;
|
|
string_set(&conn->dirpath,dptr_path(dptr_num));
|
|
pstrcpy(mask, dptr_wcard(dptr_num));
|
|
}
|
|
|
|
if (can_open) {
|
|
p = smb_buf(outbuf) + 3;
|
|
ok = True;
|
|
|
|
if (status_len == 0) {
|
|
dptr_num = dptr_create(conn,directory,True,expect_close,SVAL(inbuf,smb_pid));
|
|
if (dptr_num < 0) {
|
|
if(dptr_num == -2) {
|
|
END_PROFILE(SMBsearch);
|
|
return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnofids);
|
|
}
|
|
END_PROFILE(SMBsearch);
|
|
return ERROR_DOS(ERRDOS,ERRnofids);
|
|
}
|
|
dptr_set_wcard(dptr_num, strdup(mask));
|
|
dptr_set_attr(dptr_num, dirtype);
|
|
} else {
|
|
dirtype = dptr_attr(dptr_num);
|
|
}
|
|
|
|
DEBUG(4,("dptr_num is %d\n",dptr_num));
|
|
|
|
if (ok) {
|
|
if ((dirtype&0x1F) == aVOLID) {
|
|
memcpy(p,status,21);
|
|
make_dir_struct(p,"???????????",volume_label(SNUM(conn)),0,aVOLID,0);
|
|
dptr_fill(p+12,dptr_num);
|
|
if (dptr_zero(p+12) && (status_len==0))
|
|
numentries = 1;
|
|
else
|
|
numentries = 0;
|
|
p += DIR_STRUCT_SIZE;
|
|
} else {
|
|
unsigned int i;
|
|
maxentries = MIN(maxentries, ((BUFFER_SIZE - (p - outbuf))/DIR_STRUCT_SIZE));
|
|
|
|
DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",
|
|
conn->dirpath,lp_dontdescend(SNUM(conn))));
|
|
if (in_list(conn->dirpath, lp_dontdescend(SNUM(conn)),True))
|
|
check_descend = True;
|
|
|
|
for (i=numentries;(i<maxentries) && !finished;i++) {
|
|
finished = !get_dir_entry(conn,mask,dirtype,fname,&size,&mode,&date,check_descend);
|
|
if (!finished) {
|
|
memcpy(p,status,21);
|
|
make_dir_struct(p,mask,fname,size,mode,date);
|
|
dptr_fill(p+12,dptr_num);
|
|
numentries++;
|
|
}
|
|
p += DIR_STRUCT_SIZE;
|
|
}
|
|
}
|
|
} /* if (ok ) */
|
|
}
|
|
|
|
|
|
SearchEmpty:
|
|
|
|
/* If we were called as SMBffirst with smb_search_id == NULL
|
|
and no entries were found then return error and close dirptr
|
|
(X/Open spec) */
|
|
|
|
if(ok && expect_close && numentries == 0 && status_len == 0) {
|
|
if (Protocol < PROTOCOL_NT1) {
|
|
SCVAL(outbuf,smb_rcls,ERRDOS);
|
|
SSVAL(outbuf,smb_err,ERRnofiles);
|
|
}
|
|
/* Also close the dptr - we know it's gone */
|
|
dptr_close(&dptr_num);
|
|
} else if (numentries == 0 || !ok) {
|
|
if (Protocol < PROTOCOL_NT1) {
|
|
SCVAL(outbuf,smb_rcls,ERRDOS);
|
|
SSVAL(outbuf,smb_err,ERRnofiles);
|
|
}
|
|
dptr_close(&dptr_num);
|
|
}
|
|
|
|
/* If we were called as SMBfunique, then we can close the dirptr now ! */
|
|
if(dptr_num >= 0 && CVAL(inbuf,smb_com) == SMBfunique)
|
|
dptr_close(&dptr_num);
|
|
|
|
SSVAL(outbuf,smb_vwv0,numentries);
|
|
SSVAL(outbuf,smb_vwv1,3 + numentries * DIR_STRUCT_SIZE);
|
|
SCVAL(smb_buf(outbuf),0,5);
|
|
SSVAL(smb_buf(outbuf),1,numentries*DIR_STRUCT_SIZE);
|
|
|
|
if (Protocol >= PROTOCOL_NT1)
|
|
SSVAL(outbuf,smb_flg2,SVAL(outbuf, smb_flg2) | FLAGS2_IS_LONG_NAME);
|
|
|
|
outsize += DIR_STRUCT_SIZE*numentries;
|
|
smb_setlen(outbuf,outsize - 4);
|
|
|
|
if ((! *directory) && dptr_path(dptr_num))
|
|
slprintf(directory, sizeof(directory)-1, "(%s)",dptr_path(dptr_num));
|
|
|
|
DEBUG( 4, ( "%s mask=%s path=%s dtype=%d nument=%u of %u\n",
|
|
smb_fn_name(CVAL(inbuf,smb_com)),
|
|
mask, directory, dirtype, numentries, maxentries ) );
|
|
|
|
END_PROFILE(SMBsearch);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a fclose (stop directory search).
|
|
****************************************************************************/
|
|
|
|
int reply_fclose(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
int outsize = 0;
|
|
int status_len;
|
|
pstring path;
|
|
char status[21];
|
|
int dptr_num= -2;
|
|
char *p;
|
|
NTSTATUS err;
|
|
|
|
START_PROFILE(SMBfclose);
|
|
|
|
outsize = set_message(outbuf,1,0,True);
|
|
p = smb_buf(inbuf) + 1;
|
|
p += srvstr_get_path(inbuf, path, p, sizeof(path), STR_TERMINATE,&err);
|
|
if (!NT_STATUS_IS_OK(err)) {
|
|
END_PROFILE(SMBfclose);
|
|
return ERROR_NT(err);
|
|
}
|
|
p++;
|
|
status_len = SVAL(p,0);
|
|
p += 2;
|
|
|
|
if (status_len == 0) {
|
|
END_PROFILE(SMBfclose);
|
|
return ERROR_DOS(ERRSRV,ERRsrverror);
|
|
}
|
|
|
|
memcpy(status,p,21);
|
|
|
|
if(dptr_fetch(status+12,&dptr_num)) {
|
|
/* Close the dptr - we know it's gone */
|
|
dptr_close(&dptr_num);
|
|
}
|
|
|
|
SSVAL(outbuf,smb_vwv0,0);
|
|
|
|
DEBUG(3,("search close\n"));
|
|
|
|
END_PROFILE(SMBfclose);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to an open.
|
|
****************************************************************************/
|
|
|
|
int reply_open(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
pstring fname;
|
|
int outsize = 0;
|
|
int fmode=0;
|
|
int share_mode;
|
|
SMB_OFF_T size = 0;
|
|
time_t mtime=0;
|
|
mode_t unixmode;
|
|
int rmode=0;
|
|
SMB_STRUCT_STAT sbuf;
|
|
BOOL bad_path = False;
|
|
files_struct *fsp;
|
|
int oplock_request = CORE_OPLOCK_REQUEST(inbuf);
|
|
NTSTATUS status;
|
|
START_PROFILE(SMBopen);
|
|
|
|
share_mode = SVAL(inbuf,smb_vwv0);
|
|
|
|
srvstr_get_path(inbuf, fname, smb_buf(inbuf)+1, sizeof(fname), STR_TERMINATE,&status);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
END_PROFILE(SMBopen);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
|
|
|
|
unix_convert(fname,conn,0,&bad_path,&sbuf);
|
|
|
|
unixmode = unix_mode(conn,aARCH,fname);
|
|
|
|
fsp = open_file_shared(conn,fname,&sbuf,share_mode,(FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN),
|
|
unixmode, oplock_request,&rmode,NULL);
|
|
|
|
if (!fsp) {
|
|
END_PROFILE(SMBopen);
|
|
return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnoaccess);
|
|
}
|
|
|
|
size = sbuf.st_size;
|
|
fmode = dos_mode(conn,fname,&sbuf);
|
|
mtime = sbuf.st_mtime;
|
|
|
|
if (fmode & aDIR) {
|
|
DEBUG(3,("attempt to open a directory %s\n",fname));
|
|
close_file(fsp,False);
|
|
END_PROFILE(SMBopen);
|
|
return ERROR_DOS(ERRDOS,ERRnoaccess);
|
|
}
|
|
|
|
outsize = set_message(outbuf,7,0,True);
|
|
SSVAL(outbuf,smb_vwv0,fsp->fnum);
|
|
SSVAL(outbuf,smb_vwv1,fmode);
|
|
if(lp_dos_filetime_resolution(SNUM(conn)) )
|
|
put_dos_date3(outbuf,smb_vwv2,mtime & ~1);
|
|
else
|
|
put_dos_date3(outbuf,smb_vwv2,mtime);
|
|
SIVAL(outbuf,smb_vwv4,(uint32)size);
|
|
SSVAL(outbuf,smb_vwv6,rmode);
|
|
|
|
if (oplock_request && lp_fake_oplocks(SNUM(conn)))
|
|
SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
|
|
|
|
if(EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
|
|
SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
|
|
END_PROFILE(SMBopen);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to an open and X.
|
|
****************************************************************************/
|
|
|
|
int reply_open_and_X(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
|
|
{
|
|
pstring fname;
|
|
int smb_mode = SVAL(inbuf,smb_vwv3);
|
|
int smb_attr = SVAL(inbuf,smb_vwv5);
|
|
/* Breakout the oplock request bits so we can set the
|
|
reply bits separately. */
|
|
BOOL ex_oplock_request = EXTENDED_OPLOCK_REQUEST(inbuf);
|
|
BOOL core_oplock_request = CORE_OPLOCK_REQUEST(inbuf);
|
|
BOOL oplock_request = ex_oplock_request | core_oplock_request;
|
|
#if 0
|
|
int open_flags = SVAL(inbuf,smb_vwv2);
|
|
int smb_sattr = SVAL(inbuf,smb_vwv4);
|
|
uint32 smb_time = make_unix_date3(inbuf+smb_vwv6);
|
|
#endif
|
|
int smb_ofun = SVAL(inbuf,smb_vwv8);
|
|
mode_t unixmode;
|
|
SMB_OFF_T size=0;
|
|
int fmode=0,mtime=0,rmode=0;
|
|
SMB_STRUCT_STAT sbuf;
|
|
int smb_action = 0;
|
|
BOOL bad_path = False;
|
|
files_struct *fsp;
|
|
NTSTATUS status;
|
|
START_PROFILE(SMBopenX);
|
|
|
|
/* If it's an IPC, pass off the pipe handler. */
|
|
if (IS_IPC(conn)) {
|
|
if (lp_nt_pipe_support()) {
|
|
END_PROFILE(SMBopenX);
|
|
return reply_open_pipe_and_X(conn, inbuf,outbuf,length,bufsize);
|
|
} else {
|
|
END_PROFILE(SMBopenX);
|
|
return ERROR_DOS(ERRSRV,ERRaccess);
|
|
}
|
|
}
|
|
|
|
/* XXXX we need to handle passed times, sattr and flags */
|
|
srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE,&status);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
END_PROFILE(SMBopenX);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
|
|
|
|
unix_convert(fname,conn,0,&bad_path,&sbuf);
|
|
|
|
unixmode = unix_mode(conn,smb_attr | aARCH, fname);
|
|
|
|
fsp = open_file_shared(conn,fname,&sbuf,smb_mode,smb_ofun,unixmode,
|
|
oplock_request, &rmode,&smb_action);
|
|
|
|
if (!fsp) {
|
|
END_PROFILE(SMBopenX);
|
|
return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnoaccess);
|
|
}
|
|
|
|
size = sbuf.st_size;
|
|
fmode = dos_mode(conn,fname,&sbuf);
|
|
mtime = sbuf.st_mtime;
|
|
if (fmode & aDIR) {
|
|
close_file(fsp,False);
|
|
END_PROFILE(SMBopenX);
|
|
return ERROR_DOS(ERRDOS,ERRnoaccess);
|
|
}
|
|
|
|
/* If the caller set the extended oplock request bit
|
|
and we granted one (by whatever means) - set the
|
|
correct bit for extended oplock reply.
|
|
*/
|
|
|
|
if (ex_oplock_request && lp_fake_oplocks(SNUM(conn)))
|
|
smb_action |= EXTENDED_OPLOCK_GRANTED;
|
|
|
|
if(ex_oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
|
|
smb_action |= EXTENDED_OPLOCK_GRANTED;
|
|
|
|
/* If the caller set the core oplock request bit
|
|
and we granted one (by whatever means) - set the
|
|
correct bit for core oplock reply.
|
|
*/
|
|
|
|
if (core_oplock_request && lp_fake_oplocks(SNUM(conn)))
|
|
SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
|
|
|
|
if(core_oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
|
|
SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
|
|
|
|
set_message(outbuf,15,0,True);
|
|
SSVAL(outbuf,smb_vwv2,fsp->fnum);
|
|
SSVAL(outbuf,smb_vwv3,fmode);
|
|
if(lp_dos_filetime_resolution(SNUM(conn)) )
|
|
put_dos_date3(outbuf,smb_vwv4,mtime & ~1);
|
|
else
|
|
put_dos_date3(outbuf,smb_vwv4,mtime);
|
|
SIVAL(outbuf,smb_vwv6,(uint32)size);
|
|
SSVAL(outbuf,smb_vwv8,rmode);
|
|
SSVAL(outbuf,smb_vwv11,smb_action);
|
|
|
|
END_PROFILE(SMBopenX);
|
|
return chain_reply(inbuf,outbuf,length,bufsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a SMBulogoffX.
|
|
****************************************************************************/
|
|
|
|
int reply_ulogoffX(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
|
|
{
|
|
uint16 vuid = SVAL(inbuf,smb_uid);
|
|
user_struct *vuser = get_valid_user_struct(vuid);
|
|
START_PROFILE(SMBulogoffX);
|
|
|
|
if(vuser == 0)
|
|
DEBUG(3,("ulogoff, vuser id %d does not map to user.\n", vuid));
|
|
|
|
/* in user level security we are supposed to close any files
|
|
open by this user */
|
|
if ((vuser != 0) && (lp_security() != SEC_SHARE))
|
|
file_close_user(vuid);
|
|
|
|
invalidate_vuid(vuid);
|
|
|
|
set_message(outbuf,2,0,True);
|
|
|
|
DEBUG( 3, ( "ulogoffX vuid=%d\n", vuid ) );
|
|
|
|
END_PROFILE(SMBulogoffX);
|
|
return chain_reply(inbuf,outbuf,length,bufsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a mknew or a create.
|
|
****************************************************************************/
|
|
|
|
int reply_mknew(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
pstring fname;
|
|
int com;
|
|
int outsize = 0;
|
|
int createmode;
|
|
mode_t unixmode;
|
|
int ofun = 0;
|
|
BOOL bad_path = False;
|
|
files_struct *fsp;
|
|
int oplock_request = CORE_OPLOCK_REQUEST(inbuf);
|
|
SMB_STRUCT_STAT sbuf;
|
|
NTSTATUS status;
|
|
START_PROFILE(SMBcreate);
|
|
|
|
com = SVAL(inbuf,smb_com);
|
|
|
|
createmode = SVAL(inbuf,smb_vwv0);
|
|
srvstr_get_path(inbuf, fname, smb_buf(inbuf) + 1, sizeof(fname), STR_TERMINATE,&status);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
END_PROFILE(SMBcreate);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
|
|
|
|
unix_convert(fname,conn,0,&bad_path,&sbuf);
|
|
|
|
if (createmode & aVOLID)
|
|
DEBUG(0,("Attempt to create file (%s) with volid set - please report this\n",fname));
|
|
|
|
unixmode = unix_mode(conn,createmode,fname);
|
|
|
|
if(com == SMBmknew) {
|
|
/* We should fail if file exists. */
|
|
ofun = FILE_CREATE_IF_NOT_EXIST;
|
|
} else {
|
|
/* SMBcreate - Create if file doesn't exist, truncate if it does. */
|
|
ofun = FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE;
|
|
}
|
|
|
|
/* Open file in dos compatibility share mode. */
|
|
fsp = open_file_shared(conn,fname,&sbuf,SET_DENY_MODE(DENY_FCB)|SET_OPEN_MODE(DOS_OPEN_FCB),
|
|
ofun, unixmode, oplock_request, NULL, NULL);
|
|
|
|
if (!fsp) {
|
|
END_PROFILE(SMBcreate);
|
|
return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnoaccess);
|
|
}
|
|
|
|
outsize = set_message(outbuf,1,0,True);
|
|
SSVAL(outbuf,smb_vwv0,fsp->fnum);
|
|
|
|
if (oplock_request && lp_fake_oplocks(SNUM(conn)))
|
|
SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
|
|
|
|
if(EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
|
|
SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
|
|
|
|
DEBUG( 2, ( "new file %s\n", fname ) );
|
|
DEBUG( 3, ( "mknew %s fd=%d dmode=%d umode=%o\n", fname, fsp->fd, createmode, (int)unixmode ) );
|
|
|
|
END_PROFILE(SMBcreate);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a create temporary file.
|
|
****************************************************************************/
|
|
|
|
int reply_ctemp(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
pstring fname;
|
|
int outsize = 0;
|
|
int createmode;
|
|
mode_t unixmode;
|
|
BOOL bad_path = False;
|
|
files_struct *fsp;
|
|
int oplock_request = CORE_OPLOCK_REQUEST(inbuf);
|
|
int tmpfd;
|
|
SMB_STRUCT_STAT sbuf;
|
|
char *p, *s;
|
|
NTSTATUS status;
|
|
|
|
START_PROFILE(SMBctemp);
|
|
|
|
createmode = SVAL(inbuf,smb_vwv0);
|
|
srvstr_get_path(inbuf, fname, smb_buf(inbuf)+1, sizeof(fname), STR_TERMINATE,&status);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
END_PROFILE(SMBctemp);
|
|
return ERROR_NT(status);
|
|
}
|
|
pstrcat(fname,"\\TMXXXXXX");
|
|
|
|
RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
|
|
|
|
unix_convert(fname,conn,0,&bad_path,&sbuf);
|
|
|
|
unixmode = unix_mode(conn,createmode,fname);
|
|
|
|
tmpfd = smb_mkstemp(fname);
|
|
if (tmpfd == -1) {
|
|
END_PROFILE(SMBctemp);
|
|
return(UNIXERROR(ERRDOS,ERRnoaccess));
|
|
}
|
|
|
|
SMB_VFS_STAT(conn,fname,&sbuf);
|
|
|
|
/* Open file in dos compatibility share mode. */
|
|
/* We should fail if file does not exist. */
|
|
fsp = open_file_shared(conn,fname,&sbuf,
|
|
SET_DENY_MODE(DENY_FCB)|SET_OPEN_MODE(DOS_OPEN_FCB),
|
|
FILE_EXISTS_OPEN|FILE_FAIL_IF_NOT_EXIST,
|
|
unixmode, oplock_request, NULL, NULL);
|
|
|
|
/* close fd from smb_mkstemp() */
|
|
close(tmpfd);
|
|
|
|
if (!fsp) {
|
|
END_PROFILE(SMBctemp);
|
|
return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnoaccess);
|
|
}
|
|
|
|
outsize = set_message(outbuf,1,0,True);
|
|
SSVAL(outbuf,smb_vwv0,fsp->fnum);
|
|
|
|
/* the returned filename is relative to the directory */
|
|
s = strrchr_m(fname, '/');
|
|
if (!s)
|
|
s = fname;
|
|
else
|
|
s++;
|
|
|
|
p = smb_buf(outbuf);
|
|
SSVALS(p, 0, -1); /* what is this? not in spec */
|
|
SSVAL(p, 2, strlen(s));
|
|
p += 4;
|
|
p += srvstr_push(outbuf, p, s, -1, STR_ASCII);
|
|
outsize = set_message_end(outbuf, p);
|
|
|
|
if (oplock_request && lp_fake_oplocks(SNUM(conn)))
|
|
SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
|
|
|
|
if (EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
|
|
SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
|
|
|
|
DEBUG( 2, ( "created temp file %s\n", fname ) );
|
|
DEBUG( 3, ( "ctemp %s fd=%d dmode=%d umode=%o\n",
|
|
fname, fsp->fd, createmode, (int)unixmode ) );
|
|
|
|
END_PROFILE(SMBctemp);
|
|
return(outsize);
|
|
}
|
|
|
|
/*******************************************************************
|
|
Check if a user is allowed to rename a file.
|
|
********************************************************************/
|
|
|
|
static NTSTATUS can_rename(char *fname,connection_struct *conn, SMB_STRUCT_STAT *pst)
|
|
{
|
|
int smb_action;
|
|
int access_mode;
|
|
files_struct *fsp;
|
|
|
|
if (!CAN_WRITE(conn))
|
|
return NT_STATUS_MEDIA_WRITE_PROTECTED;
|
|
|
|
if (S_ISDIR(pst->st_mode))
|
|
return NT_STATUS_OK;
|
|
|
|
/* We need a better way to return NT status codes from open... */
|
|
unix_ERR_class = 0;
|
|
unix_ERR_code = 0;
|
|
|
|
fsp = open_file_shared1(conn, fname, pst, DELETE_ACCESS, SET_DENY_MODE(DENY_ALL),
|
|
(FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN), 0, 0, &access_mode, &smb_action);
|
|
|
|
if (!fsp) {
|
|
NTSTATUS ret = NT_STATUS_ACCESS_DENIED;
|
|
if (unix_ERR_class == ERRDOS && unix_ERR_code == ERRbadshare)
|
|
ret = NT_STATUS_SHARING_VIOLATION;
|
|
unix_ERR_class = 0;
|
|
unix_ERR_code = 0;
|
|
unix_ERR_ntstatus = NT_STATUS_OK;
|
|
return ret;
|
|
}
|
|
close_file(fsp,False);
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
/*******************************************************************
|
|
Check if a user is allowed to delete a file.
|
|
********************************************************************/
|
|
|
|
static NTSTATUS can_delete(char *fname,connection_struct *conn, int dirtype)
|
|
{
|
|
SMB_STRUCT_STAT sbuf;
|
|
int fmode;
|
|
int smb_action;
|
|
int access_mode;
|
|
files_struct *fsp;
|
|
|
|
DEBUG(10,("can_delete: %s, dirtype = %d\n",
|
|
fname, dirtype ));
|
|
|
|
if (!CAN_WRITE(conn))
|
|
return NT_STATUS_MEDIA_WRITE_PROTECTED;
|
|
|
|
if (SMB_VFS_LSTAT(conn,fname,&sbuf) != 0)
|
|
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
|
|
|
|
fmode = dos_mode(conn,fname,&sbuf);
|
|
|
|
/* Can't delete a directory. */
|
|
if (fmode & aDIR)
|
|
return NT_STATUS_FILE_IS_A_DIRECTORY;
|
|
#if 0 /* JRATEST */
|
|
else if (dirtype & aDIR) /* Asked for a directory and it isn't. */
|
|
return NT_STATUS_OBJECT_NAME_INVALID;
|
|
#endif /* JRATEST */
|
|
|
|
if (!lp_delete_readonly(SNUM(conn))) {
|
|
if (fmode & aRONLY)
|
|
return NT_STATUS_CANNOT_DELETE;
|
|
}
|
|
if ((fmode & ~dirtype) & (aHIDDEN | aSYSTEM))
|
|
return NT_STATUS_NO_SUCH_FILE;
|
|
|
|
/* We need a better way to return NT status codes from open... */
|
|
unix_ERR_class = 0;
|
|
unix_ERR_code = 0;
|
|
|
|
fsp = open_file_shared1(conn, fname, &sbuf, DELETE_ACCESS, SET_DENY_MODE(DENY_ALL),
|
|
(FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN), 0, 0, &access_mode, &smb_action);
|
|
|
|
if (!fsp) {
|
|
NTSTATUS ret = NT_STATUS_ACCESS_DENIED;
|
|
if (!NT_STATUS_IS_OK(unix_ERR_ntstatus))
|
|
ret = unix_ERR_ntstatus;
|
|
else if (unix_ERR_class == ERRDOS && unix_ERR_code == ERRbadshare)
|
|
ret = NT_STATUS_SHARING_VIOLATION;
|
|
unix_ERR_class = 0;
|
|
unix_ERR_code = 0;
|
|
unix_ERR_ntstatus = NT_STATUS_OK;
|
|
return ret;
|
|
}
|
|
close_file(fsp,False);
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
The guts of the unlink command, split out so it may be called by the NT SMB
|
|
code.
|
|
****************************************************************************/
|
|
|
|
NTSTATUS unlink_internals(connection_struct *conn, int dirtype, char *name)
|
|
{
|
|
pstring directory;
|
|
pstring mask;
|
|
char *p;
|
|
int count=0;
|
|
NTSTATUS error = NT_STATUS_OK;
|
|
BOOL has_wild;
|
|
BOOL bad_path = False;
|
|
BOOL rc = True;
|
|
SMB_STRUCT_STAT sbuf;
|
|
|
|
*directory = *mask = 0;
|
|
|
|
/* We must check for wildcards in the name given
|
|
* directly by the client - before any unmangling.
|
|
* This prevents an unmangling of a UNIX name containing
|
|
* a DOS wildcard like '*' or '?' from unmangling into
|
|
* a wildcard delete which was not intended.
|
|
* FIX for #226. JRA.
|
|
*/
|
|
|
|
has_wild = ms_has_wild(name);
|
|
|
|
rc = unix_convert(name,conn,0,&bad_path,&sbuf);
|
|
|
|
p = strrchr_m(name,'/');
|
|
if (!p) {
|
|
pstrcpy(directory,".");
|
|
pstrcpy(mask,name);
|
|
} else {
|
|
*p = 0;
|
|
pstrcpy(directory,name);
|
|
pstrcpy(mask,p+1);
|
|
}
|
|
|
|
/*
|
|
* We should only check the mangled cache
|
|
* here if unix_convert failed. This means
|
|
* that the path in 'mask' doesn't exist
|
|
* on the file system and so we need to look
|
|
* for a possible mangle. This patch from
|
|
* Tine Smukavec <valentin.smukavec@hermes.si>.
|
|
*/
|
|
|
|
if (!rc && mangle_is_mangled(mask))
|
|
mangle_check_cache( mask );
|
|
|
|
if (!has_wild) {
|
|
pstrcat(directory,"/");
|
|
pstrcat(directory,mask);
|
|
error = can_delete(directory,conn,dirtype);
|
|
if (!NT_STATUS_IS_OK(error))
|
|
return error;
|
|
|
|
if (SMB_VFS_UNLINK(conn,directory) == 0) {
|
|
count++;
|
|
}
|
|
} else {
|
|
void *dirptr = NULL;
|
|
const char *dname;
|
|
|
|
if (check_name(directory,conn))
|
|
dirptr = OpenDir(conn, directory, True);
|
|
|
|
/* XXXX the CIFS spec says that if bit0 of the flags2 field is set then
|
|
the pattern matches against the long name, otherwise the short name
|
|
We don't implement this yet XXXX
|
|
*/
|
|
|
|
if (dirptr) {
|
|
error = NT_STATUS_NO_SUCH_FILE;
|
|
|
|
if (strequal(mask,"????????.???"))
|
|
pstrcpy(mask,"*");
|
|
|
|
while ((dname = ReadDirName(dirptr))) {
|
|
pstring fname;
|
|
pstrcpy(fname,dname);
|
|
|
|
if(!mask_match(fname, mask, case_sensitive))
|
|
continue;
|
|
|
|
slprintf(fname,sizeof(fname)-1, "%s/%s",directory,dname);
|
|
error = can_delete(fname,conn,dirtype);
|
|
if (!NT_STATUS_IS_OK(error))
|
|
continue;
|
|
if (SMB_VFS_UNLINK(conn,fname) == 0)
|
|
count++;
|
|
DEBUG(3,("unlink_internals: succesful unlink [%s]\n",fname));
|
|
}
|
|
CloseDir(dirptr);
|
|
}
|
|
}
|
|
|
|
if (count == 0 && NT_STATUS_IS_OK(error)) {
|
|
error = map_nt_error_from_unix(errno);
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a unlink
|
|
****************************************************************************/
|
|
|
|
int reply_unlink(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
|
|
int dum_buffsize)
|
|
{
|
|
int outsize = 0;
|
|
pstring name;
|
|
int dirtype;
|
|
NTSTATUS status;
|
|
START_PROFILE(SMBunlink);
|
|
|
|
dirtype = SVAL(inbuf,smb_vwv0);
|
|
|
|
srvstr_get_path(inbuf, name, smb_buf(inbuf) + 1, sizeof(name), STR_TERMINATE,&status);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
END_PROFILE(SMBunlink);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
RESOLVE_DFSPATH(name, conn, inbuf, outbuf);
|
|
|
|
DEBUG(3,("reply_unlink : %s\n",name));
|
|
|
|
status = unlink_internals(conn, dirtype, name);
|
|
if (!NT_STATUS_IS_OK(status))
|
|
return ERROR_NT(status);
|
|
|
|
/*
|
|
* Win2k needs a changenotify request response before it will
|
|
* update after a rename..
|
|
*/
|
|
process_pending_change_notify_queue((time_t)0);
|
|
|
|
outsize = set_message(outbuf,0,0,True);
|
|
|
|
END_PROFILE(SMBunlink);
|
|
return outsize;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Fail for readbraw.
|
|
****************************************************************************/
|
|
|
|
void fail_readraw(void)
|
|
{
|
|
pstring errstr;
|
|
slprintf(errstr, sizeof(errstr)-1, "FAIL ! reply_readbraw: socket write fail (%s)",
|
|
strerror(errno) );
|
|
exit_server(errstr);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Use sendfile in readbraw.
|
|
****************************************************************************/
|
|
|
|
void send_file_readbraw(connection_struct *conn, files_struct *fsp, SMB_OFF_T startpos, size_t nread,
|
|
ssize_t mincount, char *outbuf)
|
|
{
|
|
ssize_t ret=0;
|
|
|
|
#if defined(WITH_SENDFILE)
|
|
/*
|
|
* We can only use sendfile on a non-chained packet and on a file
|
|
* that is exclusively oplocked. reply_readbraw has already checked the length.
|
|
*/
|
|
|
|
if ((nread > 0) && (lp_write_cache_size(SNUM(conn)) == 0) &&
|
|
EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type) && lp_use_sendfile(SNUM(conn)) ) {
|
|
DATA_BLOB header;
|
|
|
|
_smb_setlen(outbuf,nread);
|
|
header.data = outbuf;
|
|
header.length = 4;
|
|
header.free = NULL;
|
|
|
|
if ( SMB_VFS_SENDFILE( smbd_server_fd(), fsp, fsp->fd, &header, startpos, nread) == -1) {
|
|
/*
|
|
* Special hack for broken Linux with no 64 bit clean sendfile. If we
|
|
* return ENOSYS then pretend we just got a normal read.
|
|
*/
|
|
if (errno == ENOSYS)
|
|
goto normal_read;
|
|
|
|
DEBUG(0,("send_file_readbraw: sendfile failed for file %s (%s). Terminating\n",
|
|
fsp->fsp_name, strerror(errno) ));
|
|
exit_server("send_file_readbraw sendfile failed");
|
|
}
|
|
|
|
}
|
|
|
|
normal_read:
|
|
#endif
|
|
|
|
if (nread > 0) {
|
|
ret = read_file(fsp,outbuf+4,startpos,nread);
|
|
#if 0 /* mincount appears to be ignored in a W2K server. JRA. */
|
|
if (ret < mincount)
|
|
ret = 0;
|
|
#else
|
|
if (ret < nread)
|
|
ret = 0;
|
|
#endif
|
|
}
|
|
|
|
_smb_setlen(outbuf,ret);
|
|
if (write_data(smbd_server_fd(),outbuf,4+ret) != 4+ret)
|
|
fail_readraw();
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a readbraw (core+ protocol).
|
|
****************************************************************************/
|
|
|
|
int reply_readbraw(connection_struct *conn, char *inbuf, char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
extern struct current_user current_user;
|
|
ssize_t maxcount,mincount;
|
|
size_t nread = 0;
|
|
SMB_OFF_T startpos;
|
|
char *header = outbuf;
|
|
files_struct *fsp;
|
|
START_PROFILE(SMBreadbraw);
|
|
|
|
if (srv_is_signing_active()) {
|
|
exit_server("reply_readbraw: SMB signing is active - raw reads/writes are disallowed.");
|
|
}
|
|
|
|
/*
|
|
* Special check if an oplock break has been issued
|
|
* and the readraw request croses on the wire, we must
|
|
* return a zero length response here.
|
|
*/
|
|
|
|
if(global_oplock_break) {
|
|
_smb_setlen(header,0);
|
|
if (write_data(smbd_server_fd(),header,4) != 4)
|
|
fail_readraw();
|
|
DEBUG(5,("readbraw - oplock break finished\n"));
|
|
END_PROFILE(SMBreadbraw);
|
|
return -1;
|
|
}
|
|
|
|
fsp = file_fsp(inbuf,smb_vwv0);
|
|
|
|
if (!FNUM_OK(fsp,conn) || !fsp->can_read) {
|
|
/*
|
|
* fsp could be NULL here so use the value from the packet. JRA.
|
|
*/
|
|
DEBUG(3,("fnum %d not open in readbraw - cache prime?\n",(int)SVAL(inbuf,smb_vwv0)));
|
|
_smb_setlen(header,0);
|
|
if (write_data(smbd_server_fd(),header,4) != 4)
|
|
fail_readraw();
|
|
END_PROFILE(SMBreadbraw);
|
|
return(-1);
|
|
}
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
|
|
flush_write_cache(fsp, READRAW_FLUSH);
|
|
|
|
startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv1);
|
|
if(CVAL(inbuf,smb_wct) == 10) {
|
|
/*
|
|
* This is a large offset (64 bit) read.
|
|
*/
|
|
#ifdef LARGE_SMB_OFF_T
|
|
|
|
startpos |= (((SMB_OFF_T)IVAL(inbuf,smb_vwv8)) << 32);
|
|
|
|
#else /* !LARGE_SMB_OFF_T */
|
|
|
|
/*
|
|
* Ensure we haven't been sent a >32 bit offset.
|
|
*/
|
|
|
|
if(IVAL(inbuf,smb_vwv8) != 0) {
|
|
DEBUG(0,("readbraw - large offset (%x << 32) used and we don't support \
|
|
64 bit offsets.\n", (unsigned int)IVAL(inbuf,smb_vwv8) ));
|
|
_smb_setlen(header,0);
|
|
if (write_data(smbd_server_fd(),header,4) != 4)
|
|
fail_readraw();
|
|
END_PROFILE(SMBreadbraw);
|
|
return(-1);
|
|
}
|
|
|
|
#endif /* LARGE_SMB_OFF_T */
|
|
|
|
if(startpos < 0) {
|
|
DEBUG(0,("readbraw - negative 64 bit readraw offset (%.0f) !\n", (double)startpos ));
|
|
_smb_setlen(header,0);
|
|
if (write_data(smbd_server_fd(),header,4) != 4)
|
|
fail_readraw();
|
|
END_PROFILE(SMBreadbraw);
|
|
return(-1);
|
|
}
|
|
}
|
|
maxcount = (SVAL(inbuf,smb_vwv3) & 0xFFFF);
|
|
mincount = (SVAL(inbuf,smb_vwv4) & 0xFFFF);
|
|
|
|
/* ensure we don't overrun the packet size */
|
|
maxcount = MIN(65535,maxcount);
|
|
|
|
if (!is_locked(fsp,conn,(SMB_BIG_UINT)maxcount,(SMB_BIG_UINT)startpos, READ_LOCK,False)) {
|
|
SMB_OFF_T size = fsp->size;
|
|
SMB_OFF_T sizeneeded = startpos + maxcount;
|
|
|
|
if (size < sizeneeded) {
|
|
SMB_STRUCT_STAT st;
|
|
if (SMB_VFS_FSTAT(fsp,fsp->fd,&st) == 0)
|
|
size = st.st_size;
|
|
if (!fsp->can_write)
|
|
fsp->size = size;
|
|
}
|
|
|
|
if (startpos >= size)
|
|
nread = 0;
|
|
else
|
|
nread = MIN(maxcount,(size - startpos));
|
|
}
|
|
|
|
#if 0 /* mincount appears to be ignored in a W2K server. JRA. */
|
|
if (nread < mincount)
|
|
nread = 0;
|
|
#endif
|
|
|
|
DEBUG( 3, ( "readbraw fnum=%d start=%.0f max=%d min=%d nread=%d\n", fsp->fnum, (double)startpos,
|
|
(int)maxcount, (int)mincount, (int)nread ) );
|
|
|
|
send_file_readbraw(conn, fsp, startpos, nread, mincount, outbuf);
|
|
|
|
DEBUG(5,("readbraw finished\n"));
|
|
END_PROFILE(SMBreadbraw);
|
|
return -1;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a lockread (core+ protocol).
|
|
****************************************************************************/
|
|
|
|
int reply_lockread(connection_struct *conn, char *inbuf,char *outbuf, int length, int dum_buffsiz)
|
|
{
|
|
ssize_t nread = -1;
|
|
char *data;
|
|
int outsize = 0;
|
|
SMB_OFF_T startpos;
|
|
size_t numtoread;
|
|
NTSTATUS status;
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
BOOL my_lock_ctx = False;
|
|
START_PROFILE(SMBlockread);
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
CHECK_READ(fsp);
|
|
|
|
release_level_2_oplocks_on_change(fsp);
|
|
|
|
numtoread = SVAL(inbuf,smb_vwv1);
|
|
startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
|
|
|
|
outsize = set_message(outbuf,5,3,True);
|
|
numtoread = MIN(BUFFER_SIZE-outsize,numtoread);
|
|
data = smb_buf(outbuf) + 3;
|
|
|
|
/*
|
|
* NB. Discovered by Menny Hamburger at Mainsoft. This is a core+
|
|
* protocol request that predates the read/write lock concept.
|
|
* Thus instead of asking for a read lock here we need to ask
|
|
* for a write lock. JRA.
|
|
* Note that the requested lock size is unaffected by max_recv.
|
|
*/
|
|
|
|
status = do_lock_spin(fsp, conn, SVAL(inbuf,smb_pid),
|
|
(SMB_BIG_UINT)numtoread, (SMB_BIG_UINT)startpos, WRITE_LOCK, &my_lock_ctx);
|
|
|
|
if (NT_STATUS_V(status)) {
|
|
#if 0
|
|
/*
|
|
* We used to make lockread a blocking lock. It turns out
|
|
* that this isn't on W2k. Found by the Samba 4 RAW-READ torture
|
|
* tester. JRA.
|
|
*/
|
|
|
|
if (lp_blocking_locks(SNUM(conn)) && !my_lock_ctx && ERROR_WAS_LOCK_DENIED(status)) {
|
|
/*
|
|
* A blocking lock was requested. Package up
|
|
* this smb into a queued request and push it
|
|
* onto the blocking lock queue.
|
|
*/
|
|
if(push_blocking_lock_request(inbuf, length, -1, 0, SVAL(inbuf,smb_pid), (SMB_BIG_UINT)startpos,
|
|
(SMB_BIG_UINT)numtoread)) {
|
|
END_PROFILE(SMBlockread);
|
|
return -1;
|
|
}
|
|
}
|
|
#endif
|
|
END_PROFILE(SMBlockread);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
/*
|
|
* However the requested READ size IS affected by max_recv. Insanity.... JRA.
|
|
*/
|
|
|
|
if (numtoread > max_recv) {
|
|
DEBUG(0,("reply_lockread: requested read size (%u) is greater than maximum allowed (%u). \
|
|
Returning short read of maximum allowed for compatibility with Windows 2000.\n",
|
|
(unsigned int)numtoread, (unsigned int)max_recv ));
|
|
numtoread = MIN(numtoread,max_recv);
|
|
}
|
|
nread = read_file(fsp,data,startpos,numtoread);
|
|
|
|
if (nread < 0) {
|
|
END_PROFILE(SMBlockread);
|
|
return(UNIXERROR(ERRDOS,ERRnoaccess));
|
|
}
|
|
|
|
outsize += nread;
|
|
SSVAL(outbuf,smb_vwv0,nread);
|
|
SSVAL(outbuf,smb_vwv5,nread+3);
|
|
SSVAL(smb_buf(outbuf),1,nread);
|
|
|
|
DEBUG(3,("lockread fnum=%d num=%d nread=%d\n",
|
|
fsp->fnum, (int)numtoread, (int)nread));
|
|
|
|
END_PROFILE(SMBlockread);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a read.
|
|
****************************************************************************/
|
|
|
|
int reply_read(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
|
|
{
|
|
size_t numtoread;
|
|
ssize_t nread = 0;
|
|
char *data;
|
|
SMB_OFF_T startpos;
|
|
int outsize = 0;
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
START_PROFILE(SMBread);
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
CHECK_READ(fsp);
|
|
|
|
numtoread = SVAL(inbuf,smb_vwv1);
|
|
startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
|
|
|
|
outsize = set_message(outbuf,5,3,True);
|
|
numtoread = MIN(BUFFER_SIZE-outsize,numtoread);
|
|
/*
|
|
* The requested read size cannot be greater than max_recv. JRA.
|
|
*/
|
|
if (numtoread > max_recv) {
|
|
DEBUG(0,("reply_read: requested read size (%u) is greater than maximum allowed (%u). \
|
|
Returning short read of maximum allowed for compatibility with Windows 2000.\n",
|
|
(unsigned int)numtoread, (unsigned int)max_recv ));
|
|
numtoread = MIN(numtoread,max_recv);
|
|
}
|
|
|
|
data = smb_buf(outbuf) + 3;
|
|
|
|
if (is_locked(fsp,conn,(SMB_BIG_UINT)numtoread,(SMB_BIG_UINT)startpos, READ_LOCK,False)) {
|
|
END_PROFILE(SMBread);
|
|
return ERROR_DOS(ERRDOS,ERRlock);
|
|
}
|
|
|
|
if (numtoread > 0)
|
|
nread = read_file(fsp,data,startpos,numtoread);
|
|
|
|
if (nread < 0) {
|
|
END_PROFILE(SMBread);
|
|
return(UNIXERROR(ERRDOS,ERRnoaccess));
|
|
}
|
|
|
|
outsize += nread;
|
|
SSVAL(outbuf,smb_vwv0,nread);
|
|
SSVAL(outbuf,smb_vwv5,nread+3);
|
|
SCVAL(smb_buf(outbuf),0,1);
|
|
SSVAL(smb_buf(outbuf),1,nread);
|
|
|
|
DEBUG( 3, ( "read fnum=%d num=%d nread=%d\n",
|
|
fsp->fnum, (int)numtoread, (int)nread ) );
|
|
|
|
END_PROFILE(SMBread);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a read and X - possibly using sendfile.
|
|
****************************************************************************/
|
|
|
|
int send_file_readX(connection_struct *conn, char *inbuf,char *outbuf,int length,
|
|
files_struct *fsp, SMB_OFF_T startpos, size_t smb_maxcnt)
|
|
{
|
|
ssize_t nread = -1;
|
|
char *data = smb_buf(outbuf);
|
|
|
|
#if defined(WITH_SENDFILE)
|
|
/*
|
|
* We can only use sendfile on a non-chained packet and on a file
|
|
* that is exclusively oplocked.
|
|
*/
|
|
|
|
if ((CVAL(inbuf,smb_vwv0) == 0xFF) && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type) &&
|
|
lp_use_sendfile(SNUM(conn)) && (lp_write_cache_size(SNUM(conn)) == 0) ) {
|
|
SMB_STRUCT_STAT sbuf;
|
|
DATA_BLOB header;
|
|
|
|
if(SMB_VFS_FSTAT(fsp,fsp->fd, &sbuf) == -1)
|
|
return(UNIXERROR(ERRDOS,ERRnoaccess));
|
|
|
|
if (startpos > sbuf.st_size)
|
|
goto normal_read;
|
|
|
|
if (smb_maxcnt > (sbuf.st_size - startpos))
|
|
smb_maxcnt = (sbuf.st_size - startpos);
|
|
|
|
if (smb_maxcnt == 0)
|
|
goto normal_read;
|
|
|
|
/*
|
|
* Set up the packet header before send. We
|
|
* assume here the sendfile will work (get the
|
|
* correct amount of data).
|
|
*/
|
|
|
|
SSVAL(outbuf,smb_vwv2,0xFFFF); /* Remaining - must be -1. */
|
|
SSVAL(outbuf,smb_vwv5,smb_maxcnt);
|
|
SSVAL(outbuf,smb_vwv6,smb_offset(data,outbuf));
|
|
SSVAL(smb_buf(outbuf),-2,smb_maxcnt);
|
|
SCVAL(outbuf,smb_vwv0,0xFF);
|
|
set_message(outbuf,12,smb_maxcnt,False);
|
|
header.data = outbuf;
|
|
header.length = data - outbuf;
|
|
header.free = NULL;
|
|
|
|
if ( SMB_VFS_SENDFILE( smbd_server_fd(), fsp, fsp->fd, &header, startpos, smb_maxcnt) == -1) {
|
|
/*
|
|
* Special hack for broken Linux with no 64 bit clean sendfile. If we
|
|
* return ENOSYS then pretend we just got a normal read.
|
|
*/
|
|
if (errno == ENOSYS)
|
|
goto normal_read;
|
|
|
|
DEBUG(0,("send_file_readX: sendfile failed for file %s (%s). Terminating\n",
|
|
fsp->fsp_name, strerror(errno) ));
|
|
exit_server("send_file_readX sendfile failed");
|
|
}
|
|
|
|
DEBUG( 3, ( "send_file_readX: sendfile fnum=%d max=%d nread=%d\n",
|
|
fsp->fnum, (int)smb_maxcnt, (int)nread ) );
|
|
return -1;
|
|
}
|
|
|
|
normal_read:
|
|
|
|
#endif
|
|
|
|
nread = read_file(fsp,data,startpos,smb_maxcnt);
|
|
|
|
if (nread < 0) {
|
|
END_PROFILE(SMBreadX);
|
|
return(UNIXERROR(ERRDOS,ERRnoaccess));
|
|
}
|
|
|
|
SSVAL(outbuf,smb_vwv2,0xFFFF); /* Remaining - must be -1. */
|
|
SSVAL(outbuf,smb_vwv5,nread);
|
|
SSVAL(outbuf,smb_vwv6,smb_offset(data,outbuf));
|
|
SSVAL(smb_buf(outbuf),-2,nread);
|
|
|
|
DEBUG( 3, ( "send_file_readX fnum=%d max=%d nread=%d\n",
|
|
fsp->fnum, (int)smb_maxcnt, (int)nread ) );
|
|
|
|
return nread;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a read and X.
|
|
****************************************************************************/
|
|
|
|
int reply_read_and_X(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
|
|
{
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv2);
|
|
SMB_OFF_T startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv3);
|
|
ssize_t nread = -1;
|
|
size_t smb_maxcnt = SVAL(inbuf,smb_vwv5);
|
|
#if 0
|
|
size_t smb_mincnt = SVAL(inbuf,smb_vwv6);
|
|
#endif
|
|
|
|
START_PROFILE(SMBreadX);
|
|
|
|
/* If it's an IPC, pass off the pipe handler. */
|
|
if (IS_IPC(conn)) {
|
|
END_PROFILE(SMBreadX);
|
|
return reply_pipe_read_and_X(inbuf,outbuf,length,bufsize);
|
|
}
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
CHECK_READ(fsp);
|
|
|
|
set_message(outbuf,12,0,True);
|
|
|
|
if(CVAL(inbuf,smb_wct) == 12) {
|
|
#ifdef LARGE_SMB_OFF_T
|
|
/*
|
|
* This is a large offset (64 bit) read.
|
|
*/
|
|
startpos |= (((SMB_OFF_T)IVAL(inbuf,smb_vwv10)) << 32);
|
|
|
|
#else /* !LARGE_SMB_OFF_T */
|
|
|
|
/*
|
|
* Ensure we haven't been sent a >32 bit offset.
|
|
*/
|
|
|
|
if(IVAL(inbuf,smb_vwv10) != 0) {
|
|
DEBUG(0,("reply_read_and_X - large offset (%x << 32) used and we don't support \
|
|
64 bit offsets.\n", (unsigned int)IVAL(inbuf,smb_vwv10) ));
|
|
END_PROFILE(SMBreadX);
|
|
return ERROR_DOS(ERRDOS,ERRbadaccess);
|
|
}
|
|
|
|
#endif /* LARGE_SMB_OFF_T */
|
|
|
|
}
|
|
|
|
if (is_locked(fsp,conn,(SMB_BIG_UINT)smb_maxcnt,(SMB_BIG_UINT)startpos, READ_LOCK,False)) {
|
|
END_PROFILE(SMBreadX);
|
|
return ERROR_DOS(ERRDOS,ERRlock);
|
|
}
|
|
|
|
nread = send_file_readX(conn, inbuf, outbuf, length, fsp, startpos, smb_maxcnt);
|
|
if (nread != -1)
|
|
nread = chain_reply(inbuf,outbuf,length,bufsize);
|
|
|
|
END_PROFILE(SMBreadX);
|
|
return nread;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a writebraw (core+ or LANMAN1.0 protocol).
|
|
****************************************************************************/
|
|
|
|
int reply_writebraw(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
|
|
{
|
|
ssize_t nwritten=0;
|
|
ssize_t total_written=0;
|
|
size_t numtowrite=0;
|
|
size_t tcount;
|
|
SMB_OFF_T startpos;
|
|
char *data=NULL;
|
|
BOOL write_through;
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
int outsize = 0;
|
|
START_PROFILE(SMBwritebraw);
|
|
|
|
if (srv_is_signing_active()) {
|
|
exit_server("reply_writebraw: SMB signing is active - raw reads/writes are disallowed.");
|
|
}
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
CHECK_WRITE(fsp);
|
|
|
|
tcount = IVAL(inbuf,smb_vwv1);
|
|
startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv3);
|
|
write_through = BITSETW(inbuf+smb_vwv7,0);
|
|
|
|
/* We have to deal with slightly different formats depending
|
|
on whether we are using the core+ or lanman1.0 protocol */
|
|
|
|
if(Protocol <= PROTOCOL_COREPLUS) {
|
|
numtowrite = SVAL(smb_buf(inbuf),-2);
|
|
data = smb_buf(inbuf);
|
|
} else {
|
|
numtowrite = SVAL(inbuf,smb_vwv10);
|
|
data = smb_base(inbuf) + SVAL(inbuf, smb_vwv11);
|
|
}
|
|
|
|
/* force the error type */
|
|
SCVAL(inbuf,smb_com,SMBwritec);
|
|
SCVAL(outbuf,smb_com,SMBwritec);
|
|
|
|
if (is_locked(fsp,conn,(SMB_BIG_UINT)tcount,(SMB_BIG_UINT)startpos, WRITE_LOCK,False)) {
|
|
END_PROFILE(SMBwritebraw);
|
|
return(ERROR_DOS(ERRDOS,ERRlock));
|
|
}
|
|
|
|
if (numtowrite>0)
|
|
nwritten = write_file(fsp,data,startpos,numtowrite);
|
|
|
|
DEBUG(3,("writebraw1 fnum=%d start=%.0f num=%d wrote=%d sync=%d\n",
|
|
fsp->fnum, (double)startpos, (int)numtowrite, (int)nwritten, (int)write_through));
|
|
|
|
if (nwritten < (ssize_t)numtowrite) {
|
|
END_PROFILE(SMBwritebraw);
|
|
return(UNIXERROR(ERRHRD,ERRdiskfull));
|
|
}
|
|
|
|
total_written = nwritten;
|
|
|
|
/* Return a message to the redirector to tell it to send more bytes */
|
|
SCVAL(outbuf,smb_com,SMBwritebraw);
|
|
SSVALS(outbuf,smb_vwv0,-1);
|
|
outsize = set_message(outbuf,Protocol>PROTOCOL_COREPLUS?1:0,0,True);
|
|
if (!send_smb(smbd_server_fd(),outbuf))
|
|
exit_server("reply_writebraw: send_smb failed.");
|
|
|
|
/* Now read the raw data into the buffer and write it */
|
|
if (read_smb_length(smbd_server_fd(),inbuf,SMB_SECONDARY_WAIT) == -1) {
|
|
exit_server("secondary writebraw failed");
|
|
}
|
|
|
|
/* Even though this is not an smb message, smb_len returns the generic length of an smb message */
|
|
numtowrite = smb_len(inbuf);
|
|
|
|
/* Set up outbuf to return the correct return */
|
|
outsize = set_message(outbuf,1,0,True);
|
|
SCVAL(outbuf,smb_com,SMBwritec);
|
|
SSVAL(outbuf,smb_vwv0,total_written);
|
|
|
|
if (numtowrite != 0) {
|
|
|
|
if (numtowrite > BUFFER_SIZE) {
|
|
DEBUG(0,("reply_writebraw: Oversize secondary write raw requested (%u). Terminating\n",
|
|
(unsigned int)numtowrite ));
|
|
exit_server("secondary writebraw failed");
|
|
}
|
|
|
|
if (tcount > nwritten+numtowrite) {
|
|
DEBUG(3,("Client overestimated the write %d %d %d\n",
|
|
(int)tcount,(int)nwritten,(int)numtowrite));
|
|
}
|
|
|
|
if (read_data( smbd_server_fd(), inbuf+4, numtowrite) != numtowrite ) {
|
|
DEBUG(0,("reply_writebraw: Oversize secondary write raw read failed (%s). Terminating\n",
|
|
strerror(errno) ));
|
|
exit_server("secondary writebraw failed");
|
|
}
|
|
|
|
nwritten = write_file(fsp,inbuf+4,startpos+nwritten,numtowrite);
|
|
|
|
if (nwritten < (ssize_t)numtowrite) {
|
|
SCVAL(outbuf,smb_rcls,ERRHRD);
|
|
SSVAL(outbuf,smb_err,ERRdiskfull);
|
|
}
|
|
|
|
if (nwritten > 0)
|
|
total_written += nwritten;
|
|
}
|
|
|
|
if ((lp_syncalways(SNUM(conn)) || write_through) && lp_strict_sync(SNUM(conn)))
|
|
sync_file(conn,fsp);
|
|
|
|
DEBUG(3,("writebraw2 fnum=%d start=%.0f num=%d wrote=%d\n",
|
|
fsp->fnum, (double)startpos, (int)numtowrite,(int)total_written));
|
|
|
|
/* we won't return a status if write through is not selected - this follows what WfWg does */
|
|
END_PROFILE(SMBwritebraw);
|
|
if (!write_through && total_written==tcount) {
|
|
|
|
#if RABBIT_PELLET_FIX
|
|
/*
|
|
* Fix for "rabbit pellet" mode, trigger an early TCP ack by
|
|
* sending a SMBkeepalive. Thanks to DaveCB at Sun for this. JRA.
|
|
*/
|
|
if (!send_keepalive(smbd_server_fd()))
|
|
exit_server("reply_writebraw: send of keepalive failed");
|
|
#endif
|
|
return(-1);
|
|
}
|
|
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a writeunlock (core+).
|
|
****************************************************************************/
|
|
|
|
int reply_writeunlock(connection_struct *conn, char *inbuf,char *outbuf,
|
|
int size, int dum_buffsize)
|
|
{
|
|
ssize_t nwritten = -1;
|
|
size_t numtowrite;
|
|
SMB_OFF_T startpos;
|
|
char *data;
|
|
NTSTATUS status = NT_STATUS_OK;
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
int outsize = 0;
|
|
START_PROFILE(SMBwriteunlock);
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
CHECK_WRITE(fsp);
|
|
|
|
numtowrite = SVAL(inbuf,smb_vwv1);
|
|
startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
|
|
data = smb_buf(inbuf) + 3;
|
|
|
|
if (numtowrite && is_locked(fsp,conn,(SMB_BIG_UINT)numtowrite,(SMB_BIG_UINT)startpos,
|
|
WRITE_LOCK,False)) {
|
|
END_PROFILE(SMBwriteunlock);
|
|
return ERROR_DOS(ERRDOS,ERRlock);
|
|
}
|
|
|
|
/* The special X/Open SMB protocol handling of
|
|
zero length writes is *NOT* done for
|
|
this call */
|
|
if(numtowrite == 0)
|
|
nwritten = 0;
|
|
else
|
|
nwritten = write_file(fsp,data,startpos,numtowrite);
|
|
|
|
if (lp_syncalways(SNUM(conn)))
|
|
sync_file(conn,fsp);
|
|
|
|
if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
|
|
END_PROFILE(SMBwriteunlock);
|
|
return(UNIXERROR(ERRHRD,ERRdiskfull));
|
|
}
|
|
|
|
if (numtowrite) {
|
|
status = do_unlock(fsp, conn, SVAL(inbuf,smb_pid), (SMB_BIG_UINT)numtowrite,
|
|
(SMB_BIG_UINT)startpos);
|
|
if (NT_STATUS_V(status)) {
|
|
END_PROFILE(SMBwriteunlock);
|
|
return ERROR_NT(status);
|
|
}
|
|
}
|
|
|
|
outsize = set_message(outbuf,1,0,True);
|
|
|
|
SSVAL(outbuf,smb_vwv0,nwritten);
|
|
|
|
DEBUG(3,("writeunlock fnum=%d num=%d wrote=%d\n",
|
|
fsp->fnum, (int)numtowrite, (int)nwritten));
|
|
|
|
END_PROFILE(SMBwriteunlock);
|
|
return outsize;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a write.
|
|
****************************************************************************/
|
|
|
|
int reply_write(connection_struct *conn, char *inbuf,char *outbuf,int size,int dum_buffsize)
|
|
{
|
|
size_t numtowrite;
|
|
ssize_t nwritten = -1;
|
|
SMB_OFF_T startpos;
|
|
char *data;
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
int outsize = 0;
|
|
START_PROFILE(SMBwrite);
|
|
|
|
/* If it's an IPC, pass off the pipe handler. */
|
|
if (IS_IPC(conn)) {
|
|
END_PROFILE(SMBwrite);
|
|
return reply_pipe_write(inbuf,outbuf,size,dum_buffsize);
|
|
}
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
CHECK_WRITE(fsp);
|
|
|
|
numtowrite = SVAL(inbuf,smb_vwv1);
|
|
startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
|
|
data = smb_buf(inbuf) + 3;
|
|
|
|
if (is_locked(fsp,conn,(SMB_BIG_UINT)numtowrite,(SMB_BIG_UINT)startpos, WRITE_LOCK,False)) {
|
|
END_PROFILE(SMBwrite);
|
|
return ERROR_DOS(ERRDOS,ERRlock);
|
|
}
|
|
|
|
/*
|
|
* X/Open SMB protocol says that if smb_vwv1 is
|
|
* zero then the file size should be extended or
|
|
* truncated to the size given in smb_vwv[2-3].
|
|
*/
|
|
|
|
if(numtowrite == 0) {
|
|
/*
|
|
* This is actually an allocate call, and set EOF. JRA.
|
|
*/
|
|
nwritten = vfs_allocate_file_space(fsp, (SMB_OFF_T)startpos);
|
|
if (nwritten < 0) {
|
|
END_PROFILE(SMBwrite);
|
|
return ERROR_NT(NT_STATUS_DISK_FULL);
|
|
}
|
|
nwritten = vfs_set_filelen(fsp, (SMB_OFF_T)startpos);
|
|
if (nwritten < 0) {
|
|
END_PROFILE(SMBwrite);
|
|
return ERROR_NT(NT_STATUS_DISK_FULL);
|
|
}
|
|
} else
|
|
nwritten = write_file(fsp,data,startpos,numtowrite);
|
|
|
|
if (lp_syncalways(SNUM(conn)))
|
|
sync_file(conn,fsp);
|
|
|
|
if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
|
|
END_PROFILE(SMBwrite);
|
|
return(UNIXERROR(ERRHRD,ERRdiskfull));
|
|
}
|
|
|
|
outsize = set_message(outbuf,1,0,True);
|
|
|
|
SSVAL(outbuf,smb_vwv0,nwritten);
|
|
|
|
if (nwritten < (ssize_t)numtowrite) {
|
|
SCVAL(outbuf,smb_rcls,ERRHRD);
|
|
SSVAL(outbuf,smb_err,ERRdiskfull);
|
|
}
|
|
|
|
DEBUG(3,("write fnum=%d num=%d wrote=%d\n", fsp->fnum, (int)numtowrite, (int)nwritten));
|
|
|
|
END_PROFILE(SMBwrite);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a write and X.
|
|
****************************************************************************/
|
|
|
|
int reply_write_and_X(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
|
|
{
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv2);
|
|
SMB_OFF_T startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv3);
|
|
size_t numtowrite = SVAL(inbuf,smb_vwv10);
|
|
BOOL write_through = BITSETW(inbuf+smb_vwv7,0);
|
|
ssize_t nwritten = -1;
|
|
unsigned int smb_doff = SVAL(inbuf,smb_vwv11);
|
|
unsigned int smblen = smb_len(inbuf);
|
|
char *data;
|
|
BOOL large_writeX = ((CVAL(inbuf,smb_wct) == 14) && (smblen > 0xFFFF));
|
|
START_PROFILE(SMBwriteX);
|
|
|
|
/* If it's an IPC, pass off the pipe handler. */
|
|
if (IS_IPC(conn)) {
|
|
END_PROFILE(SMBwriteX);
|
|
return reply_pipe_write_and_X(inbuf,outbuf,length,bufsize);
|
|
}
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
CHECK_WRITE(fsp);
|
|
|
|
/* Deal with possible LARGE_WRITEX */
|
|
if (large_writeX)
|
|
numtowrite |= ((((size_t)SVAL(inbuf,smb_vwv9)) & 1 )<<16);
|
|
|
|
if(smb_doff > smblen || (smb_doff + numtowrite > smblen)) {
|
|
END_PROFILE(SMBwriteX);
|
|
return ERROR_DOS(ERRDOS,ERRbadmem);
|
|
}
|
|
|
|
data = smb_base(inbuf) + smb_doff;
|
|
|
|
if(CVAL(inbuf,smb_wct) == 14) {
|
|
#ifdef LARGE_SMB_OFF_T
|
|
/*
|
|
* This is a large offset (64 bit) write.
|
|
*/
|
|
startpos |= (((SMB_OFF_T)IVAL(inbuf,smb_vwv12)) << 32);
|
|
|
|
#else /* !LARGE_SMB_OFF_T */
|
|
|
|
/*
|
|
* Ensure we haven't been sent a >32 bit offset.
|
|
*/
|
|
|
|
if(IVAL(inbuf,smb_vwv12) != 0) {
|
|
DEBUG(0,("reply_write_and_X - large offset (%x << 32) used and we don't support \
|
|
64 bit offsets.\n", (unsigned int)IVAL(inbuf,smb_vwv12) ));
|
|
END_PROFILE(SMBwriteX);
|
|
return ERROR_DOS(ERRDOS,ERRbadaccess);
|
|
}
|
|
|
|
#endif /* LARGE_SMB_OFF_T */
|
|
}
|
|
|
|
if (is_locked(fsp,conn,(SMB_BIG_UINT)numtowrite,(SMB_BIG_UINT)startpos, WRITE_LOCK,False)) {
|
|
END_PROFILE(SMBwriteX);
|
|
return ERROR_DOS(ERRDOS,ERRlock);
|
|
}
|
|
|
|
/* X/Open SMB protocol says that, unlike SMBwrite
|
|
if the length is zero then NO truncation is
|
|
done, just a write of zero. To truncate a file,
|
|
use SMBwrite. */
|
|
|
|
if(numtowrite == 0)
|
|
nwritten = 0;
|
|
else
|
|
nwritten = write_file(fsp,data,startpos,numtowrite);
|
|
|
|
if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
|
|
END_PROFILE(SMBwriteX);
|
|
return(UNIXERROR(ERRHRD,ERRdiskfull));
|
|
}
|
|
|
|
set_message(outbuf,6,0,True);
|
|
|
|
SSVAL(outbuf,smb_vwv2,nwritten);
|
|
if (large_writeX)
|
|
SSVAL(outbuf,smb_vwv4,(nwritten>>16)&1);
|
|
|
|
if (nwritten < (ssize_t)numtowrite) {
|
|
SCVAL(outbuf,smb_rcls,ERRHRD);
|
|
SSVAL(outbuf,smb_err,ERRdiskfull);
|
|
}
|
|
|
|
DEBUG(3,("writeX fnum=%d num=%d wrote=%d\n",
|
|
fsp->fnum, (int)numtowrite, (int)nwritten));
|
|
|
|
if (lp_syncalways(SNUM(conn)) || write_through)
|
|
sync_file(conn,fsp);
|
|
|
|
END_PROFILE(SMBwriteX);
|
|
return chain_reply(inbuf,outbuf,length,bufsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a lseek.
|
|
****************************************************************************/
|
|
|
|
int reply_lseek(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
|
|
{
|
|
SMB_OFF_T startpos;
|
|
SMB_OFF_T res= -1;
|
|
int mode,umode;
|
|
int outsize = 0;
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
START_PROFILE(SMBlseek);
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
|
|
flush_write_cache(fsp, SEEK_FLUSH);
|
|
|
|
mode = SVAL(inbuf,smb_vwv1) & 3;
|
|
/* NB. This doesn't use IVAL_TO_SMB_OFF_T as startpos can be signed in this case. */
|
|
startpos = (SMB_OFF_T)IVALS(inbuf,smb_vwv2);
|
|
|
|
switch (mode) {
|
|
case 0:
|
|
umode = SEEK_SET;
|
|
res = startpos;
|
|
break;
|
|
case 1:
|
|
umode = SEEK_CUR;
|
|
res = fsp->pos + startpos;
|
|
break;
|
|
case 2:
|
|
umode = SEEK_END;
|
|
break;
|
|
default:
|
|
umode = SEEK_SET;
|
|
res = startpos;
|
|
break;
|
|
}
|
|
|
|
if (umode == SEEK_END) {
|
|
if((res = SMB_VFS_LSEEK(fsp,fsp->fd,startpos,umode)) == -1) {
|
|
if(errno == EINVAL) {
|
|
SMB_OFF_T current_pos = startpos;
|
|
SMB_STRUCT_STAT sbuf;
|
|
|
|
if(SMB_VFS_FSTAT(fsp,fsp->fd, &sbuf) == -1) {
|
|
END_PROFILE(SMBlseek);
|
|
return(UNIXERROR(ERRDOS,ERRnoaccess));
|
|
}
|
|
|
|
current_pos += sbuf.st_size;
|
|
if(current_pos < 0)
|
|
res = SMB_VFS_LSEEK(fsp,fsp->fd,0,SEEK_SET);
|
|
}
|
|
}
|
|
|
|
if(res == -1) {
|
|
END_PROFILE(SMBlseek);
|
|
return(UNIXERROR(ERRDOS,ERRnoaccess));
|
|
}
|
|
}
|
|
|
|
fsp->pos = res;
|
|
|
|
outsize = set_message(outbuf,2,0,True);
|
|
SIVAL(outbuf,smb_vwv0,res);
|
|
|
|
DEBUG(3,("lseek fnum=%d ofs=%.0f newpos = %.0f mode=%d\n",
|
|
fsp->fnum, (double)startpos, (double)res, mode));
|
|
|
|
END_PROFILE(SMBlseek);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a flush.
|
|
****************************************************************************/
|
|
|
|
int reply_flush(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
|
|
{
|
|
int outsize = set_message(outbuf,0,0,True);
|
|
uint16 fnum = SVAL(inbuf,smb_vwv0);
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
START_PROFILE(SMBflush);
|
|
|
|
if (fnum != 0xFFFF)
|
|
CHECK_FSP(fsp,conn);
|
|
|
|
if (!fsp) {
|
|
file_sync_all(conn);
|
|
} else {
|
|
sync_file(conn,fsp);
|
|
}
|
|
|
|
DEBUG(3,("flush\n"));
|
|
END_PROFILE(SMBflush);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a exit.
|
|
****************************************************************************/
|
|
|
|
int reply_exit(connection_struct *conn,
|
|
char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
int outsize;
|
|
START_PROFILE(SMBexit);
|
|
|
|
file_close_pid(SVAL(inbuf,smb_pid));
|
|
|
|
outsize = set_message(outbuf,0,0,True);
|
|
|
|
DEBUG(3,("exit\n"));
|
|
|
|
END_PROFILE(SMBexit);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a close - has to deal with closing a directory opened by NT SMB's.
|
|
****************************************************************************/
|
|
|
|
int reply_close(connection_struct *conn, char *inbuf,char *outbuf, int size,
|
|
int dum_buffsize)
|
|
{
|
|
extern struct current_user current_user;
|
|
int outsize = 0;
|
|
time_t mtime;
|
|
int32 eclass = 0, err = 0;
|
|
files_struct *fsp = NULL;
|
|
START_PROFILE(SMBclose);
|
|
|
|
outsize = set_message(outbuf,0,0,True);
|
|
|
|
/* If it's an IPC, pass off to the pipe handler. */
|
|
if (IS_IPC(conn)) {
|
|
END_PROFILE(SMBclose);
|
|
return reply_pipe_close(conn, inbuf,outbuf);
|
|
}
|
|
|
|
fsp = file_fsp(inbuf,smb_vwv0);
|
|
|
|
/*
|
|
* We can only use CHECK_FSP if we know it's not a directory.
|
|
*/
|
|
|
|
if(!fsp || (fsp->conn != conn) || (fsp->vuid != current_user.vuid)) {
|
|
END_PROFILE(SMBclose);
|
|
return ERROR_DOS(ERRDOS,ERRbadfid);
|
|
}
|
|
|
|
if(fsp->is_directory) {
|
|
/*
|
|
* Special case - close NT SMB directory handle.
|
|
*/
|
|
DEBUG(3,("close %s fnum=%d\n", fsp->is_directory ? "directory" : "stat file open", fsp->fnum));
|
|
close_file(fsp,True);
|
|
} else {
|
|
/*
|
|
* Close ordinary file.
|
|
*/
|
|
int close_err;
|
|
pstring file_name;
|
|
|
|
/* Save the name for time set in close. */
|
|
pstrcpy( file_name, fsp->fsp_name);
|
|
|
|
DEBUG(3,("close fd=%d fnum=%d (numopen=%d)\n",
|
|
fsp->fd, fsp->fnum,
|
|
conn->num_files_open));
|
|
|
|
/*
|
|
* close_file() returns the unix errno if an error
|
|
* was detected on close - normally this is due to
|
|
* a disk full error. If not then it was probably an I/O error.
|
|
*/
|
|
|
|
if((close_err = close_file(fsp,True)) != 0) {
|
|
errno = close_err;
|
|
END_PROFILE(SMBclose);
|
|
return (UNIXERROR(ERRHRD,ERRgeneral));
|
|
}
|
|
|
|
/*
|
|
* Now take care of any time sent in the close.
|
|
*/
|
|
|
|
mtime = make_unix_date3(inbuf+smb_vwv1);
|
|
|
|
/* try and set the date */
|
|
set_filetime(conn, file_name, mtime);
|
|
|
|
}
|
|
|
|
/* We have a cached error */
|
|
if(eclass || err) {
|
|
END_PROFILE(SMBclose);
|
|
return ERROR_DOS(eclass,err);
|
|
}
|
|
|
|
END_PROFILE(SMBclose);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a writeclose (Core+ protocol).
|
|
****************************************************************************/
|
|
|
|
int reply_writeclose(connection_struct *conn,
|
|
char *inbuf,char *outbuf, int size, int dum_buffsize)
|
|
{
|
|
size_t numtowrite;
|
|
ssize_t nwritten = -1;
|
|
int outsize = 0;
|
|
int close_err = 0;
|
|
SMB_OFF_T startpos;
|
|
char *data;
|
|
time_t mtime;
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
START_PROFILE(SMBwriteclose);
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
CHECK_WRITE(fsp);
|
|
|
|
numtowrite = SVAL(inbuf,smb_vwv1);
|
|
startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
|
|
mtime = make_unix_date3(inbuf+smb_vwv4);
|
|
data = smb_buf(inbuf) + 1;
|
|
|
|
if (numtowrite && is_locked(fsp,conn,(SMB_BIG_UINT)numtowrite,(SMB_BIG_UINT)startpos, WRITE_LOCK,False)) {
|
|
END_PROFILE(SMBwriteclose);
|
|
return ERROR_DOS(ERRDOS,ERRlock);
|
|
}
|
|
|
|
nwritten = write_file(fsp,data,startpos,numtowrite);
|
|
|
|
set_filetime(conn, fsp->fsp_name,mtime);
|
|
|
|
/*
|
|
* More insanity. W2K only closes the file if writelen > 0.
|
|
* JRA.
|
|
*/
|
|
|
|
if (numtowrite) {
|
|
DEBUG(3,("reply_writeclose: zero length write doesn't close file %s\n",
|
|
fsp->fsp_name ));
|
|
close_err = close_file(fsp,True);
|
|
}
|
|
|
|
DEBUG(3,("writeclose fnum=%d num=%d wrote=%d (numopen=%d)\n",
|
|
fsp->fnum, (int)numtowrite, (int)nwritten,
|
|
conn->num_files_open));
|
|
|
|
if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
|
|
END_PROFILE(SMBwriteclose);
|
|
return(UNIXERROR(ERRHRD,ERRdiskfull));
|
|
}
|
|
|
|
if(close_err != 0) {
|
|
errno = close_err;
|
|
END_PROFILE(SMBwriteclose);
|
|
return(UNIXERROR(ERRHRD,ERRgeneral));
|
|
}
|
|
|
|
outsize = set_message(outbuf,1,0,True);
|
|
|
|
SSVAL(outbuf,smb_vwv0,nwritten);
|
|
END_PROFILE(SMBwriteclose);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a lock.
|
|
****************************************************************************/
|
|
|
|
int reply_lock(connection_struct *conn,
|
|
char *inbuf,char *outbuf, int length, int dum_buffsize)
|
|
{
|
|
int outsize = set_message(outbuf,0,0,True);
|
|
SMB_BIG_UINT count,offset;
|
|
NTSTATUS status;
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
BOOL my_lock_ctx = False;
|
|
|
|
START_PROFILE(SMBlock);
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
|
|
release_level_2_oplocks_on_change(fsp);
|
|
|
|
count = (SMB_BIG_UINT)IVAL(inbuf,smb_vwv1);
|
|
offset = (SMB_BIG_UINT)IVAL(inbuf,smb_vwv3);
|
|
|
|
DEBUG(3,("lock fd=%d fnum=%d offset=%.0f count=%.0f\n",
|
|
fsp->fd, fsp->fnum, (double)offset, (double)count));
|
|
|
|
status = do_lock_spin(fsp, conn, SVAL(inbuf,smb_pid), count, offset, WRITE_LOCK, &my_lock_ctx);
|
|
if (NT_STATUS_V(status)) {
|
|
#if 0
|
|
/* Tests using Samba4 against W2K show this call never creates a blocking lock. */
|
|
if (lp_blocking_locks(SNUM(conn)) && !my_lock_ctx && ERROR_WAS_LOCK_DENIED(status)) {
|
|
/*
|
|
* A blocking lock was requested. Package up
|
|
* this smb into a queued request and push it
|
|
* onto the blocking lock queue.
|
|
*/
|
|
if(push_blocking_lock_request(inbuf, length, -1, 0, SVAL(inbuf,smb_pid), offset, count)) {
|
|
END_PROFILE(SMBlock);
|
|
return -1;
|
|
}
|
|
}
|
|
#endif
|
|
END_PROFILE(SMBlock);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
END_PROFILE(SMBlock);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a unlock.
|
|
****************************************************************************/
|
|
|
|
int reply_unlock(connection_struct *conn, char *inbuf,char *outbuf, int size,
|
|
int dum_buffsize)
|
|
{
|
|
int outsize = set_message(outbuf,0,0,True);
|
|
SMB_BIG_UINT count,offset;
|
|
NTSTATUS status;
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
START_PROFILE(SMBunlock);
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
|
|
count = (SMB_BIG_UINT)IVAL(inbuf,smb_vwv1);
|
|
offset = (SMB_BIG_UINT)IVAL(inbuf,smb_vwv3);
|
|
|
|
status = do_unlock(fsp, conn, SVAL(inbuf,smb_pid), count, offset);
|
|
if (NT_STATUS_V(status)) {
|
|
END_PROFILE(SMBunlock);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
DEBUG( 3, ( "unlock fd=%d fnum=%d offset=%.0f count=%.0f\n",
|
|
fsp->fd, fsp->fnum, (double)offset, (double)count ) );
|
|
|
|
END_PROFILE(SMBunlock);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a tdis.
|
|
****************************************************************************/
|
|
|
|
int reply_tdis(connection_struct *conn,
|
|
char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
int outsize = set_message(outbuf,0,0,True);
|
|
uint16 vuid;
|
|
START_PROFILE(SMBtdis);
|
|
|
|
vuid = SVAL(inbuf,smb_uid);
|
|
|
|
if (!conn) {
|
|
DEBUG(4,("Invalid connection in tdis\n"));
|
|
END_PROFILE(SMBtdis);
|
|
return ERROR_DOS(ERRSRV,ERRinvnid);
|
|
}
|
|
|
|
conn->used = False;
|
|
|
|
close_cnum(conn,vuid);
|
|
|
|
END_PROFILE(SMBtdis);
|
|
return outsize;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a echo.
|
|
****************************************************************************/
|
|
|
|
int reply_echo(connection_struct *conn,
|
|
char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
int smb_reverb = SVAL(inbuf,smb_vwv0);
|
|
int seq_num;
|
|
unsigned int data_len = smb_buflen(inbuf);
|
|
int outsize = set_message(outbuf,1,data_len,True);
|
|
START_PROFILE(SMBecho);
|
|
|
|
if (data_len > BUFFER_SIZE) {
|
|
DEBUG(0,("reply_echo: data_len too large.\n"));
|
|
END_PROFILE(SMBecho);
|
|
return -1;
|
|
}
|
|
|
|
/* copy any incoming data back out */
|
|
if (data_len > 0)
|
|
memcpy(smb_buf(outbuf),smb_buf(inbuf),data_len);
|
|
|
|
if (smb_reverb > 100) {
|
|
DEBUG(0,("large reverb (%d)?? Setting to 100\n",smb_reverb));
|
|
smb_reverb = 100;
|
|
}
|
|
|
|
for (seq_num =1 ; seq_num <= smb_reverb ; seq_num++) {
|
|
SSVAL(outbuf,smb_vwv0,seq_num);
|
|
|
|
smb_setlen(outbuf,outsize - 4);
|
|
|
|
if (!send_smb(smbd_server_fd(),outbuf))
|
|
exit_server("reply_echo: send_smb failed.");
|
|
}
|
|
|
|
DEBUG(3,("echo %d times\n", smb_reverb));
|
|
|
|
smb_echo_count++;
|
|
|
|
END_PROFILE(SMBecho);
|
|
return -1;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a printopen.
|
|
****************************************************************************/
|
|
|
|
int reply_printopen(connection_struct *conn,
|
|
char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
int outsize = 0;
|
|
files_struct *fsp;
|
|
START_PROFILE(SMBsplopen);
|
|
|
|
if (!CAN_PRINT(conn)) {
|
|
END_PROFILE(SMBsplopen);
|
|
return ERROR_DOS(ERRDOS,ERRnoaccess);
|
|
}
|
|
|
|
/* Open for exclusive use, write only. */
|
|
fsp = print_fsp_open(conn, NULL);
|
|
|
|
if (!fsp) {
|
|
END_PROFILE(SMBsplopen);
|
|
return(UNIXERROR(ERRDOS,ERRnoaccess));
|
|
}
|
|
|
|
outsize = set_message(outbuf,1,0,True);
|
|
SSVAL(outbuf,smb_vwv0,fsp->fnum);
|
|
|
|
DEBUG(3,("openprint fd=%d fnum=%d\n",
|
|
fsp->fd, fsp->fnum));
|
|
|
|
END_PROFILE(SMBsplopen);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a printclose.
|
|
****************************************************************************/
|
|
|
|
int reply_printclose(connection_struct *conn,
|
|
char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
int outsize = set_message(outbuf,0,0,True);
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
int close_err = 0;
|
|
START_PROFILE(SMBsplclose);
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
|
|
if (!CAN_PRINT(conn)) {
|
|
END_PROFILE(SMBsplclose);
|
|
return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
|
|
}
|
|
|
|
DEBUG(3,("printclose fd=%d fnum=%d\n",
|
|
fsp->fd,fsp->fnum));
|
|
|
|
close_err = close_file(fsp,True);
|
|
|
|
if(close_err != 0) {
|
|
errno = close_err;
|
|
END_PROFILE(SMBsplclose);
|
|
return(UNIXERROR(ERRHRD,ERRgeneral));
|
|
}
|
|
|
|
END_PROFILE(SMBsplclose);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a printqueue.
|
|
****************************************************************************/
|
|
|
|
int reply_printqueue(connection_struct *conn,
|
|
char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
int outsize = set_message(outbuf,2,3,True);
|
|
int max_count = SVAL(inbuf,smb_vwv0);
|
|
int start_index = SVAL(inbuf,smb_vwv1);
|
|
START_PROFILE(SMBsplretq);
|
|
|
|
/* we used to allow the client to get the cnum wrong, but that
|
|
is really quite gross and only worked when there was only
|
|
one printer - I think we should now only accept it if they
|
|
get it right (tridge) */
|
|
if (!CAN_PRINT(conn)) {
|
|
END_PROFILE(SMBsplretq);
|
|
return ERROR_DOS(ERRDOS,ERRnoaccess);
|
|
}
|
|
|
|
SSVAL(outbuf,smb_vwv0,0);
|
|
SSVAL(outbuf,smb_vwv1,0);
|
|
SCVAL(smb_buf(outbuf),0,1);
|
|
SSVAL(smb_buf(outbuf),1,0);
|
|
|
|
DEBUG(3,("printqueue start_index=%d max_count=%d\n",
|
|
start_index, max_count));
|
|
|
|
{
|
|
print_queue_struct *queue = NULL;
|
|
print_status_struct status;
|
|
char *p = smb_buf(outbuf) + 3;
|
|
int count = print_queue_status(SNUM(conn), &queue, &status);
|
|
int num_to_get = ABS(max_count);
|
|
int first = (max_count>0?start_index:start_index+max_count+1);
|
|
int i;
|
|
|
|
if (first >= count)
|
|
num_to_get = 0;
|
|
else
|
|
num_to_get = MIN(num_to_get,count-first);
|
|
|
|
|
|
for (i=first;i<first+num_to_get;i++) {
|
|
put_dos_date2(p,0,queue[i].time);
|
|
SCVAL(p,4,(queue[i].status==LPQ_PRINTING?2:3));
|
|
SSVAL(p,5, queue[i].job);
|
|
SIVAL(p,7,queue[i].size);
|
|
SCVAL(p,11,0);
|
|
srvstr_push(outbuf, p+12, queue[i].fs_user, 16, STR_ASCII);
|
|
p += 28;
|
|
}
|
|
|
|
if (count > 0) {
|
|
outsize = set_message(outbuf,2,28*count+3,False);
|
|
SSVAL(outbuf,smb_vwv0,count);
|
|
SSVAL(outbuf,smb_vwv1,(max_count>0?first+count:first-1));
|
|
SCVAL(smb_buf(outbuf),0,1);
|
|
SSVAL(smb_buf(outbuf),1,28*count);
|
|
}
|
|
|
|
SAFE_FREE(queue);
|
|
|
|
DEBUG(3,("%d entries returned in queue\n",count));
|
|
}
|
|
|
|
END_PROFILE(SMBsplretq);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a printwrite.
|
|
****************************************************************************/
|
|
|
|
int reply_printwrite(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
int numtowrite;
|
|
int outsize = set_message(outbuf,0,0,True);
|
|
char *data;
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
|
|
START_PROFILE(SMBsplwr);
|
|
|
|
if (!CAN_PRINT(conn)) {
|
|
END_PROFILE(SMBsplwr);
|
|
return ERROR_DOS(ERRDOS,ERRnoaccess);
|
|
}
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
CHECK_WRITE(fsp);
|
|
|
|
numtowrite = SVAL(smb_buf(inbuf),1);
|
|
data = smb_buf(inbuf) + 3;
|
|
|
|
if (write_file(fsp,data,-1,numtowrite) != numtowrite) {
|
|
END_PROFILE(SMBsplwr);
|
|
return(UNIXERROR(ERRHRD,ERRdiskfull));
|
|
}
|
|
|
|
DEBUG( 3, ( "printwrite fnum=%d num=%d\n", fsp->fnum, numtowrite ) );
|
|
|
|
END_PROFILE(SMBsplwr);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
The guts of the mkdir command, split out so it may be called by the NT SMB
|
|
code.
|
|
****************************************************************************/
|
|
|
|
NTSTATUS mkdir_internal(connection_struct *conn, pstring directory)
|
|
{
|
|
BOOL bad_path = False;
|
|
SMB_STRUCT_STAT sbuf;
|
|
int ret= -1;
|
|
|
|
unix_convert(directory,conn,0,&bad_path,&sbuf);
|
|
|
|
if (ms_has_wild(directory)) {
|
|
return NT_STATUS_OBJECT_NAME_INVALID;
|
|
}
|
|
|
|
if (check_name(directory, conn))
|
|
ret = vfs_MkDir(conn,directory,unix_mode(conn,aDIR,directory));
|
|
|
|
if (ret == -1) {
|
|
NTSTATUS nterr = NT_STATUS_OK;
|
|
if(errno == ENOENT) {
|
|
unix_ERR_class = ERRDOS;
|
|
if (bad_path) {
|
|
unix_ERR_code = ERRbadpath;
|
|
nterr = NT_STATUS_OBJECT_PATH_NOT_FOUND;
|
|
} else {
|
|
unix_ERR_code = ERRbadfile;
|
|
nterr = NT_STATUS_OBJECT_NAME_NOT_FOUND;
|
|
}
|
|
}
|
|
if (!NT_STATUS_IS_OK(nterr))
|
|
return nterr;
|
|
return map_nt_error_from_unix(errno);
|
|
}
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a mkdir.
|
|
****************************************************************************/
|
|
|
|
int reply_mkdir(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
pstring directory;
|
|
int outsize;
|
|
NTSTATUS status;
|
|
START_PROFILE(SMBmkdir);
|
|
|
|
srvstr_get_path(inbuf, directory, smb_buf(inbuf) + 1, sizeof(directory), STR_TERMINATE,&status);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
END_PROFILE(SMBmkdir);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
RESOLVE_DFSPATH(directory, conn, inbuf, outbuf);
|
|
|
|
status = mkdir_internal(conn, directory);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
END_PROFILE(SMBmkdir);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
outsize = set_message(outbuf,0,0,True);
|
|
|
|
DEBUG( 3, ( "mkdir %s ret=%d\n", directory, outsize ) );
|
|
|
|
END_PROFILE(SMBmkdir);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Static function used by reply_rmdir to delete an entire directory
|
|
tree recursively. Return False on ok, True on fail.
|
|
****************************************************************************/
|
|
|
|
static BOOL recursive_rmdir(connection_struct *conn, char *directory)
|
|
{
|
|
const char *dname = NULL;
|
|
BOOL ret = False;
|
|
void *dirptr = OpenDir(conn, directory, False);
|
|
|
|
if(dirptr == NULL)
|
|
return True;
|
|
|
|
while((dname = ReadDirName(dirptr))) {
|
|
pstring fullname;
|
|
SMB_STRUCT_STAT st;
|
|
|
|
if((strcmp(dname, ".") == 0) || (strcmp(dname, "..")==0))
|
|
continue;
|
|
|
|
/* Construct the full name. */
|
|
if(strlen(directory) + strlen(dname) + 1 >= sizeof(fullname)) {
|
|
errno = ENOMEM;
|
|
ret = True;
|
|
break;
|
|
}
|
|
|
|
pstrcpy(fullname, directory);
|
|
pstrcat(fullname, "/");
|
|
pstrcat(fullname, dname);
|
|
|
|
if(SMB_VFS_LSTAT(conn,fullname, &st) != 0) {
|
|
ret = True;
|
|
break;
|
|
}
|
|
|
|
if(st.st_mode & S_IFDIR) {
|
|
if(recursive_rmdir(conn, fullname)!=0) {
|
|
ret = True;
|
|
break;
|
|
}
|
|
if(SMB_VFS_RMDIR(conn,fullname) != 0) {
|
|
ret = True;
|
|
break;
|
|
}
|
|
} else if(SMB_VFS_UNLINK(conn,fullname) != 0) {
|
|
ret = True;
|
|
break;
|
|
}
|
|
}
|
|
CloseDir(dirptr);
|
|
return ret;
|
|
}
|
|
|
|
/****************************************************************************
|
|
The internals of the rmdir code - called elsewhere.
|
|
****************************************************************************/
|
|
|
|
BOOL rmdir_internals(connection_struct *conn, char *directory)
|
|
{
|
|
BOOL ok;
|
|
|
|
ok = (SMB_VFS_RMDIR(conn,directory) == 0);
|
|
if(!ok && ((errno == ENOTEMPTY)||(errno == EEXIST)) && lp_veto_files(SNUM(conn))) {
|
|
/*
|
|
* Check to see if the only thing in this directory are
|
|
* vetoed files/directories. If so then delete them and
|
|
* retry. If we fail to delete any of them (and we *don't*
|
|
* do a recursive delete) then fail the rmdir.
|
|
*/
|
|
BOOL all_veto_files = True;
|
|
const char *dname;
|
|
void *dirptr = OpenDir(conn, directory, False);
|
|
|
|
if(dirptr != NULL) {
|
|
int dirpos = TellDir(dirptr);
|
|
while ((dname = ReadDirName(dirptr))) {
|
|
if((strcmp(dname, ".") == 0) || (strcmp(dname, "..")==0))
|
|
continue;
|
|
if(!IS_VETO_PATH(conn, dname)) {
|
|
all_veto_files = False;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(all_veto_files) {
|
|
SeekDir(dirptr,dirpos);
|
|
while ((dname = ReadDirName(dirptr))) {
|
|
pstring fullname;
|
|
SMB_STRUCT_STAT st;
|
|
|
|
if((strcmp(dname, ".") == 0) || (strcmp(dname, "..")==0))
|
|
continue;
|
|
|
|
/* Construct the full name. */
|
|
if(strlen(directory) + strlen(dname) + 1 >= sizeof(fullname)) {
|
|
errno = ENOMEM;
|
|
break;
|
|
}
|
|
|
|
pstrcpy(fullname, directory);
|
|
pstrcat(fullname, "/");
|
|
pstrcat(fullname, dname);
|
|
|
|
if(SMB_VFS_LSTAT(conn,fullname, &st) != 0)
|
|
break;
|
|
if(st.st_mode & S_IFDIR) {
|
|
if(lp_recursive_veto_delete(SNUM(conn))) {
|
|
if(recursive_rmdir(conn, fullname) != 0)
|
|
break;
|
|
}
|
|
if(SMB_VFS_RMDIR(conn,fullname) != 0)
|
|
break;
|
|
} else if(SMB_VFS_UNLINK(conn,fullname) != 0)
|
|
break;
|
|
}
|
|
CloseDir(dirptr);
|
|
/* Retry the rmdir */
|
|
ok = (SMB_VFS_RMDIR(conn,directory) == 0);
|
|
} else {
|
|
CloseDir(dirptr);
|
|
}
|
|
} else {
|
|
errno = ENOTEMPTY;
|
|
}
|
|
}
|
|
|
|
if (!ok)
|
|
DEBUG(3,("rmdir_internals: couldn't remove directory %s : %s\n", directory,strerror(errno)));
|
|
|
|
return ok;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a rmdir.
|
|
****************************************************************************/
|
|
|
|
int reply_rmdir(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
pstring directory;
|
|
int outsize = 0;
|
|
BOOL ok = False;
|
|
BOOL bad_path = False;
|
|
SMB_STRUCT_STAT sbuf;
|
|
NTSTATUS status;
|
|
START_PROFILE(SMBrmdir);
|
|
|
|
srvstr_get_path(inbuf, directory, smb_buf(inbuf) + 1, sizeof(directory), STR_TERMINATE,&status);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
END_PROFILE(SMBrmdir);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
RESOLVE_DFSPATH(directory, conn, inbuf, outbuf)
|
|
|
|
unix_convert(directory,conn, NULL,&bad_path,&sbuf);
|
|
|
|
if (check_name(directory,conn)) {
|
|
dptr_closepath(directory,SVAL(inbuf,smb_pid));
|
|
ok = rmdir_internals(conn, directory);
|
|
}
|
|
|
|
if (!ok) {
|
|
END_PROFILE(SMBrmdir);
|
|
return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRbadpath);
|
|
}
|
|
|
|
outsize = set_message(outbuf,0,0,True);
|
|
|
|
DEBUG( 3, ( "rmdir %s\n", directory ) );
|
|
|
|
END_PROFILE(SMBrmdir);
|
|
return(outsize);
|
|
}
|
|
|
|
/*******************************************************************
|
|
Resolve wildcards in a filename rename.
|
|
********************************************************************/
|
|
|
|
static BOOL resolve_wildcards(const char *name1, char *name2)
|
|
{
|
|
fstring root1,root2;
|
|
fstring ext1,ext2;
|
|
char *p,*p2, *pname1, *pname2;
|
|
int available_space;
|
|
|
|
|
|
pname1 = strrchr_m(name1,'/');
|
|
pname2 = strrchr_m(name2,'/');
|
|
|
|
if (!pname1 || !pname2)
|
|
return(False);
|
|
|
|
fstrcpy(root1,pname1);
|
|
fstrcpy(root2,pname2);
|
|
p = strrchr_m(root1,'.');
|
|
if (p) {
|
|
*p = 0;
|
|
fstrcpy(ext1,p+1);
|
|
} else {
|
|
fstrcpy(ext1,"");
|
|
}
|
|
p = strrchr_m(root2,'.');
|
|
if (p) {
|
|
*p = 0;
|
|
fstrcpy(ext2,p+1);
|
|
} else {
|
|
fstrcpy(ext2,"");
|
|
}
|
|
|
|
p = root1;
|
|
p2 = root2;
|
|
while (*p2) {
|
|
if (*p2 == '?') {
|
|
*p2 = *p;
|
|
p2++;
|
|
} else {
|
|
p2++;
|
|
}
|
|
if (*p)
|
|
p++;
|
|
}
|
|
|
|
p = ext1;
|
|
p2 = ext2;
|
|
while (*p2) {
|
|
if (*p2 == '?') {
|
|
*p2 = *p;
|
|
p2++;
|
|
} else {
|
|
p2++;
|
|
}
|
|
if (*p)
|
|
p++;
|
|
}
|
|
|
|
available_space = sizeof(pstring) - PTR_DIFF(pname2, name2);
|
|
|
|
if (ext2[0]) {
|
|
snprintf(pname2, available_space - 1, "%s.%s", root2, ext2);
|
|
} else {
|
|
pstrcpy_base(pname2, root2, name2);
|
|
}
|
|
|
|
return(True);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Ensure open files have their names updates.
|
|
****************************************************************************/
|
|
|
|
static void rename_open_files(connection_struct *conn, SMB_DEV_T dev, SMB_INO_T inode, char *newname)
|
|
{
|
|
files_struct *fsp;
|
|
BOOL did_rename = False;
|
|
|
|
for(fsp = file_find_di_first(dev, inode); fsp; fsp = file_find_di_next(fsp)) {
|
|
DEBUG(10,("rename_open_files: renaming file fnum %d (dev = %x, inode = %.0f) from %s -> %s\n",
|
|
fsp->fnum, (unsigned int)fsp->dev, (double)fsp->inode,
|
|
fsp->fsp_name, newname ));
|
|
string_set(&fsp->fsp_name, newname);
|
|
did_rename = True;
|
|
}
|
|
|
|
if (!did_rename)
|
|
DEBUG(10,("rename_open_files: no open files on dev %x, inode %.0f for %s\n",
|
|
(unsigned int)dev, (double)inode, newname ));
|
|
}
|
|
|
|
/****************************************************************************
|
|
Rename an open file - given an fsp.
|
|
****************************************************************************/
|
|
|
|
NTSTATUS rename_internals_fsp(connection_struct *conn, files_struct *fsp, char *newname, BOOL replace_if_exists)
|
|
{
|
|
SMB_STRUCT_STAT sbuf;
|
|
BOOL bad_path = False;
|
|
pstring newname_last_component;
|
|
NTSTATUS error = NT_STATUS_OK;
|
|
BOOL dest_exists;
|
|
|
|
ZERO_STRUCT(sbuf);
|
|
unix_convert(newname,conn,newname_last_component,&bad_path,&sbuf);
|
|
|
|
/* Ensure newname contains a '/' */
|
|
if(strrchr_m(newname,'/') == 0) {
|
|
pstring tmpstr;
|
|
|
|
pstrcpy(tmpstr, "./");
|
|
pstrcat(tmpstr, newname);
|
|
pstrcpy(newname, tmpstr);
|
|
}
|
|
|
|
/*
|
|
* Check for special case with case preserving and not
|
|
* case sensitive. If the old last component differs from the original
|
|
* last component only by case, then we should allow
|
|
* the rename (user is trying to change the case of the
|
|
* filename).
|
|
*/
|
|
|
|
if((case_sensitive == False) && (case_preserve == True) &&
|
|
strequal(newname, fsp->fsp_name)) {
|
|
char *p;
|
|
pstring newname_modified_last_component;
|
|
|
|
/*
|
|
* Get the last component of the modified name.
|
|
* Note that we guarantee that newname contains a '/'
|
|
* character above.
|
|
*/
|
|
p = strrchr_m(newname,'/');
|
|
pstrcpy(newname_modified_last_component,p+1);
|
|
|
|
if(strcsequal(newname_modified_last_component,
|
|
newname_last_component) == False) {
|
|
/*
|
|
* Replace the modified last component with
|
|
* the original.
|
|
*/
|
|
pstrcpy(p+1, newname_last_component);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If the src and dest names are identical - including case,
|
|
* don't do the rename, just return success.
|
|
*/
|
|
|
|
if (strcsequal(fsp->fsp_name, newname)) {
|
|
DEBUG(3,("rename_internals_fsp: identical names in rename %s - returning success\n",
|
|
newname));
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
dest_exists = vfs_object_exist(conn,newname,NULL);
|
|
|
|
if(!replace_if_exists && dest_exists) {
|
|
DEBUG(3,("rename_internals_fsp: dest exists doing rename %s -> %s\n",
|
|
fsp->fsp_name,newname));
|
|
return NT_STATUS_OBJECT_NAME_COLLISION;
|
|
}
|
|
|
|
error = can_rename(newname,conn,&sbuf);
|
|
|
|
if (dest_exists && !NT_STATUS_IS_OK(error)) {
|
|
DEBUG(3,("rename_internals: Error %s rename %s -> %s\n",
|
|
nt_errstr(error), fsp->fsp_name,newname));
|
|
if (NT_STATUS_EQUAL(error,NT_STATUS_SHARING_VIOLATION))
|
|
error = NT_STATUS_ACCESS_DENIED;
|
|
return error;
|
|
}
|
|
|
|
if(SMB_VFS_RENAME(conn,fsp->fsp_name, newname) == 0) {
|
|
DEBUG(3,("rename_internals_fsp: succeeded doing rename on %s -> %s\n",
|
|
fsp->fsp_name,newname));
|
|
rename_open_files(conn, fsp->dev, fsp->inode, newname);
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
if (errno == ENOTDIR || errno == EISDIR)
|
|
error = NT_STATUS_OBJECT_NAME_COLLISION;
|
|
else
|
|
error = map_nt_error_from_unix(errno);
|
|
|
|
DEBUG(3,("rename_internals_fsp: Error %s rename %s -> %s\n",
|
|
nt_errstr(error), fsp->fsp_name,newname));
|
|
|
|
return error;
|
|
}
|
|
|
|
/****************************************************************************
|
|
The guts of the rename command, split out so it may be called by the NT SMB
|
|
code.
|
|
****************************************************************************/
|
|
|
|
NTSTATUS rename_internals(connection_struct *conn, char *name, char *newname, BOOL replace_if_exists)
|
|
{
|
|
pstring directory;
|
|
pstring mask;
|
|
pstring newname_last_component;
|
|
char *p;
|
|
BOOL has_wild;
|
|
BOOL bad_path1 = False;
|
|
BOOL bad_path2 = False;
|
|
int count=0;
|
|
NTSTATUS error = NT_STATUS_OK;
|
|
BOOL rc = True;
|
|
SMB_STRUCT_STAT sbuf1, sbuf2;
|
|
|
|
*directory = *mask = 0;
|
|
|
|
ZERO_STRUCT(sbuf1);
|
|
ZERO_STRUCT(sbuf2);
|
|
rc = unix_convert(name,conn,0,&bad_path1,&sbuf1);
|
|
unix_convert(newname,conn,newname_last_component,&bad_path2,&sbuf2);
|
|
|
|
/*
|
|
* Split the old name into directory and last component
|
|
* strings. Note that unix_convert may have stripped off a
|
|
* leading ./ from both name and newname if the rename is
|
|
* at the root of the share. We need to make sure either both
|
|
* name and newname contain a / character or neither of them do
|
|
* as this is checked in resolve_wildcards().
|
|
*/
|
|
|
|
p = strrchr_m(name,'/');
|
|
if (!p) {
|
|
pstrcpy(directory,".");
|
|
pstrcpy(mask,name);
|
|
} else {
|
|
*p = 0;
|
|
pstrcpy(directory,name);
|
|
pstrcpy(mask,p+1);
|
|
*p = '/'; /* Replace needed for exceptional test below. */
|
|
}
|
|
|
|
/*
|
|
* We should only check the mangled cache
|
|
* here if unix_convert failed. This means
|
|
* that the path in 'mask' doesn't exist
|
|
* on the file system and so we need to look
|
|
* for a possible mangle. This patch from
|
|
* Tine Smukavec <valentin.smukavec@hermes.si>.
|
|
*/
|
|
|
|
if (!rc && mangle_is_mangled(mask))
|
|
mangle_check_cache( mask );
|
|
|
|
has_wild = ms_has_wild(mask);
|
|
|
|
if (!has_wild) {
|
|
/*
|
|
* No wildcards - just process the one file.
|
|
*/
|
|
BOOL is_short_name = mangle_is_8_3(name, True);
|
|
|
|
/* Add a terminating '/' to the directory name. */
|
|
pstrcat(directory,"/");
|
|
pstrcat(directory,mask);
|
|
|
|
/* Ensure newname contains a '/' also */
|
|
if(strrchr_m(newname,'/') == 0) {
|
|
pstring tmpstr;
|
|
|
|
pstrcpy(tmpstr, "./");
|
|
pstrcat(tmpstr, newname);
|
|
pstrcpy(newname, tmpstr);
|
|
}
|
|
|
|
DEBUG(3,("rename_internals: case_sensitive = %d, case_preserve = %d, short case preserve = %d, \
|
|
directory = %s, newname = %s, newname_last_component = %s, is_8_3 = %d\n",
|
|
case_sensitive, case_preserve, short_case_preserve, directory,
|
|
newname, newname_last_component, is_short_name));
|
|
|
|
/*
|
|
* Check for special case with case preserving and not
|
|
* case sensitive, if directory and newname are identical,
|
|
* and the old last component differs from the original
|
|
* last component only by case, then we should allow
|
|
* the rename (user is trying to change the case of the
|
|
* filename).
|
|
*/
|
|
if((case_sensitive == False) &&
|
|
(((case_preserve == True) &&
|
|
(is_short_name == False)) ||
|
|
((short_case_preserve == True) &&
|
|
(is_short_name == True))) &&
|
|
strcsequal(directory, newname)) {
|
|
pstring newname_modified_last_component;
|
|
|
|
/*
|
|
* Get the last component of the modified name.
|
|
* Note that we guarantee that newname contains a '/'
|
|
* character above.
|
|
*/
|
|
p = strrchr_m(newname,'/');
|
|
pstrcpy(newname_modified_last_component,p+1);
|
|
|
|
if(strcsequal(newname_modified_last_component,
|
|
newname_last_component) == False) {
|
|
/*
|
|
* Replace the modified last component with
|
|
* the original.
|
|
*/
|
|
pstrcpy(p+1, newname_last_component);
|
|
}
|
|
}
|
|
|
|
resolve_wildcards(directory,newname);
|
|
|
|
/*
|
|
* The source object must exist.
|
|
*/
|
|
|
|
if (!vfs_object_exist(conn, directory, &sbuf1)) {
|
|
DEBUG(3,("rename_internals: source doesn't exist doing rename %s -> %s\n",
|
|
directory,newname));
|
|
|
|
if (errno == ENOTDIR || errno == EISDIR || errno == ENOENT) {
|
|
/*
|
|
* Must return different errors depending on whether the parent
|
|
* directory existed or not.
|
|
*/
|
|
|
|
p = strrchr_m(directory, '/');
|
|
if (!p)
|
|
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
|
|
*p = '\0';
|
|
if (vfs_object_exist(conn, directory, NULL))
|
|
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
|
|
return NT_STATUS_OBJECT_PATH_NOT_FOUND;
|
|
}
|
|
error = map_nt_error_from_unix(errno);
|
|
DEBUG(3,("rename_internals: Error %s rename %s -> %s\n",
|
|
nt_errstr(error), directory,newname));
|
|
|
|
return error;
|
|
}
|
|
|
|
error = can_rename(directory,conn,&sbuf1);
|
|
|
|
if (!NT_STATUS_IS_OK(error)) {
|
|
DEBUG(3,("rename_internals: Error %s rename %s -> %s\n",
|
|
nt_errstr(error), directory,newname));
|
|
return error;
|
|
}
|
|
|
|
/*
|
|
* If the src and dest names are identical - including case,
|
|
* don't do the rename, just return success.
|
|
*/
|
|
|
|
if (strcsequal(directory, newname)) {
|
|
rename_open_files(conn, sbuf1.st_dev, sbuf1.st_ino, newname);
|
|
DEBUG(3,("rename_internals: identical names in rename %s - returning success\n", directory));
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
if(!replace_if_exists && vfs_object_exist(conn,newname,NULL)) {
|
|
DEBUG(3,("rename_internals: dest exists doing rename %s -> %s\n",
|
|
directory,newname));
|
|
return NT_STATUS_OBJECT_NAME_COLLISION;
|
|
}
|
|
|
|
if(SMB_VFS_RENAME(conn,directory, newname) == 0) {
|
|
DEBUG(3,("rename_internals: succeeded doing rename on %s -> %s\n",
|
|
directory,newname));
|
|
rename_open_files(conn, sbuf1.st_dev, sbuf1.st_ino, newname);
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
if (errno == ENOTDIR || errno == EISDIR)
|
|
error = NT_STATUS_OBJECT_NAME_COLLISION;
|
|
else
|
|
error = map_nt_error_from_unix(errno);
|
|
|
|
DEBUG(3,("rename_internals: Error %s rename %s -> %s\n",
|
|
nt_errstr(error), directory,newname));
|
|
|
|
return error;
|
|
} else {
|
|
/*
|
|
* Wildcards - process each file that matches.
|
|
*/
|
|
void *dirptr = NULL;
|
|
const char *dname;
|
|
pstring destname;
|
|
|
|
if (check_name(directory,conn))
|
|
dirptr = OpenDir(conn, directory, True);
|
|
|
|
if (dirptr) {
|
|
error = NT_STATUS_OBJECT_NAME_NOT_FOUND;
|
|
|
|
if (strequal(mask,"????????.???"))
|
|
pstrcpy(mask,"*");
|
|
|
|
while ((dname = ReadDirName(dirptr))) {
|
|
pstring fname;
|
|
|
|
pstrcpy(fname,dname);
|
|
|
|
if(!mask_match(fname, mask, case_sensitive))
|
|
continue;
|
|
|
|
error = NT_STATUS_ACCESS_DENIED;
|
|
slprintf(fname,sizeof(fname)-1,"%s/%s",directory,dname);
|
|
if (!vfs_object_exist(conn, fname, &sbuf1)) {
|
|
error = NT_STATUS_OBJECT_NAME_NOT_FOUND;
|
|
DEBUG(6,("rename %s failed. Error %s\n", fname, nt_errstr(error)));
|
|
continue;
|
|
}
|
|
error = can_rename(fname,conn,&sbuf1);
|
|
if (!NT_STATUS_IS_OK(error)) {
|
|
DEBUG(6,("rename %s refused\n", fname));
|
|
continue;
|
|
}
|
|
pstrcpy(destname,newname);
|
|
|
|
if (!resolve_wildcards(fname,destname)) {
|
|
DEBUG(6,("resolve_wildcards %s %s failed\n",
|
|
fname, destname));
|
|
continue;
|
|
}
|
|
|
|
if (!replace_if_exists &&
|
|
vfs_file_exist(conn,destname, NULL)) {
|
|
DEBUG(6,("file_exist %s\n", destname));
|
|
error = NT_STATUS_OBJECT_NAME_COLLISION;
|
|
continue;
|
|
}
|
|
|
|
if (!SMB_VFS_RENAME(conn,fname,destname)) {
|
|
rename_open_files(conn, sbuf1.st_dev, sbuf1.st_ino, newname);
|
|
count++;
|
|
}
|
|
DEBUG(3,("rename_internals: doing rename on %s -> %s\n",fname,destname));
|
|
}
|
|
CloseDir(dirptr);
|
|
}
|
|
}
|
|
|
|
if (count == 0 && NT_STATUS_IS_OK(error)) {
|
|
error = map_nt_error_from_unix(errno);
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a mv.
|
|
****************************************************************************/
|
|
|
|
int reply_mv(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
|
|
int dum_buffsize)
|
|
{
|
|
int outsize = 0;
|
|
pstring name;
|
|
pstring newname;
|
|
char *p;
|
|
NTSTATUS status;
|
|
|
|
START_PROFILE(SMBmv);
|
|
|
|
p = smb_buf(inbuf) + 1;
|
|
p += srvstr_get_path(inbuf, name, p, sizeof(name), STR_TERMINATE,&status);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
END_PROFILE(SMBmv);
|
|
return ERROR_NT(status);
|
|
}
|
|
p++;
|
|
p += srvstr_get_path(inbuf, newname, p, sizeof(newname), STR_TERMINATE,&status);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
END_PROFILE(SMBmv);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
RESOLVE_DFSPATH(name, conn, inbuf, outbuf);
|
|
RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
|
|
|
|
DEBUG(3,("reply_mv : %s -> %s\n",name,newname));
|
|
|
|
status = rename_internals(conn, name, newname, False);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
END_PROFILE(SMBmv);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
/*
|
|
* Win2k needs a changenotify request response before it will
|
|
* update after a rename..
|
|
*/
|
|
process_pending_change_notify_queue((time_t)0);
|
|
outsize = set_message(outbuf,0,0,True);
|
|
|
|
END_PROFILE(SMBmv);
|
|
return(outsize);
|
|
}
|
|
|
|
/*******************************************************************
|
|
Copy a file as part of a reply_copy.
|
|
******************************************************************/
|
|
|
|
static BOOL copy_file(char *src,char *dest1,connection_struct *conn, int ofun,
|
|
int count,BOOL target_is_directory, int *err_ret)
|
|
{
|
|
int Access,action;
|
|
SMB_STRUCT_STAT src_sbuf, sbuf2;
|
|
SMB_OFF_T ret=-1;
|
|
files_struct *fsp1,*fsp2;
|
|
pstring dest;
|
|
|
|
*err_ret = 0;
|
|
|
|
pstrcpy(dest,dest1);
|
|
if (target_is_directory) {
|
|
char *p = strrchr_m(src,'/');
|
|
if (p)
|
|
p++;
|
|
else
|
|
p = src;
|
|
pstrcat(dest,"/");
|
|
pstrcat(dest,p);
|
|
}
|
|
|
|
if (!vfs_file_exist(conn,src,&src_sbuf))
|
|
return(False);
|
|
|
|
fsp1 = open_file_shared(conn,src,&src_sbuf,SET_DENY_MODE(DENY_NONE)|SET_OPEN_MODE(DOS_OPEN_RDONLY),
|
|
(FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN),0,0,&Access,&action);
|
|
|
|
if (!fsp1)
|
|
return(False);
|
|
|
|
if (!target_is_directory && count)
|
|
ofun = FILE_EXISTS_OPEN;
|
|
|
|
if (SMB_VFS_STAT(conn,dest,&sbuf2) == -1)
|
|
ZERO_STRUCTP(&sbuf2);
|
|
|
|
fsp2 = open_file_shared(conn,dest,&sbuf2,SET_DENY_MODE(DENY_NONE)|SET_OPEN_MODE(DOS_OPEN_WRONLY),
|
|
ofun,src_sbuf.st_mode,0,&Access,&action);
|
|
|
|
if (!fsp2) {
|
|
close_file(fsp1,False);
|
|
return(False);
|
|
}
|
|
|
|
if ((ofun&3) == 1) {
|
|
if(SMB_VFS_LSEEK(fsp2,fsp2->fd,0,SEEK_END) == -1) {
|
|
DEBUG(0,("copy_file: error - vfs lseek returned error %s\n", strerror(errno) ));
|
|
/*
|
|
* Stop the copy from occurring.
|
|
*/
|
|
ret = -1;
|
|
src_sbuf.st_size = 0;
|
|
}
|
|
}
|
|
|
|
if (src_sbuf.st_size)
|
|
ret = vfs_transfer_file(fsp1, fsp2, src_sbuf.st_size);
|
|
|
|
close_file(fsp1,False);
|
|
|
|
/* Ensure the modtime is set correctly on the destination file. */
|
|
fsp2->pending_modtime = src_sbuf.st_mtime;
|
|
|
|
/*
|
|
* As we are opening fsp1 read-only we only expect
|
|
* an error on close on fsp2 if we are out of space.
|
|
* Thus we don't look at the error return from the
|
|
* close of fsp1.
|
|
*/
|
|
*err_ret = close_file(fsp2,False);
|
|
|
|
return(ret == (SMB_OFF_T)src_sbuf.st_size);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a file copy.
|
|
****************************************************************************/
|
|
|
|
int reply_copy(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
int outsize = 0;
|
|
pstring name;
|
|
pstring directory;
|
|
pstring mask,newname;
|
|
char *p;
|
|
int count=0;
|
|
int error = ERRnoaccess;
|
|
int err = 0;
|
|
BOOL has_wild;
|
|
BOOL exists=False;
|
|
int tid2 = SVAL(inbuf,smb_vwv0);
|
|
int ofun = SVAL(inbuf,smb_vwv1);
|
|
int flags = SVAL(inbuf,smb_vwv2);
|
|
BOOL target_is_directory=False;
|
|
BOOL bad_path1 = False;
|
|
BOOL bad_path2 = False;
|
|
BOOL rc = True;
|
|
SMB_STRUCT_STAT sbuf1, sbuf2;
|
|
NTSTATUS status;
|
|
|
|
START_PROFILE(SMBcopy);
|
|
|
|
*directory = *mask = 0;
|
|
|
|
p = smb_buf(inbuf);
|
|
p += srvstr_get_path(inbuf, name, p, sizeof(name), STR_TERMINATE,&status);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
END_PROFILE(SMBcopy);
|
|
return ERROR_NT(status);
|
|
}
|
|
p += srvstr_get_path(inbuf, newname, p, sizeof(newname), STR_TERMINATE,&status);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
END_PROFILE(SMBcopy);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
DEBUG(3,("reply_copy : %s -> %s\n",name,newname));
|
|
|
|
if (tid2 != conn->cnum) {
|
|
/* can't currently handle inter share copies XXXX */
|
|
DEBUG(3,("Rejecting inter-share copy\n"));
|
|
END_PROFILE(SMBcopy);
|
|
return ERROR_DOS(ERRSRV,ERRinvdevice);
|
|
}
|
|
|
|
RESOLVE_DFSPATH(name, conn, inbuf, outbuf);
|
|
RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
|
|
|
|
rc = unix_convert(name,conn,0,&bad_path1,&sbuf1);
|
|
unix_convert(newname,conn,0,&bad_path2,&sbuf2);
|
|
|
|
target_is_directory = VALID_STAT_OF_DIR(sbuf2);
|
|
|
|
if ((flags&1) && target_is_directory) {
|
|
END_PROFILE(SMBcopy);
|
|
return ERROR_DOS(ERRDOS,ERRbadfile);
|
|
}
|
|
|
|
if ((flags&2) && !target_is_directory) {
|
|
END_PROFILE(SMBcopy);
|
|
return ERROR_DOS(ERRDOS,ERRbadpath);
|
|
}
|
|
|
|
if ((flags&(1<<5)) && VALID_STAT_OF_DIR(sbuf1)) {
|
|
/* wants a tree copy! XXXX */
|
|
DEBUG(3,("Rejecting tree copy\n"));
|
|
END_PROFILE(SMBcopy);
|
|
return ERROR_DOS(ERRSRV,ERRerror);
|
|
}
|
|
|
|
p = strrchr_m(name,'/');
|
|
if (!p) {
|
|
pstrcpy(directory,"./");
|
|
pstrcpy(mask,name);
|
|
} else {
|
|
*p = 0;
|
|
pstrcpy(directory,name);
|
|
pstrcpy(mask,p+1);
|
|
}
|
|
|
|
/*
|
|
* We should only check the mangled cache
|
|
* here if unix_convert failed. This means
|
|
* that the path in 'mask' doesn't exist
|
|
* on the file system and so we need to look
|
|
* for a possible mangle. This patch from
|
|
* Tine Smukavec <valentin.smukavec@hermes.si>.
|
|
*/
|
|
|
|
if (!rc && mangle_is_mangled(mask))
|
|
mangle_check_cache( mask );
|
|
|
|
has_wild = ms_has_wild(mask);
|
|
|
|
if (!has_wild) {
|
|
pstrcat(directory,"/");
|
|
pstrcat(directory,mask);
|
|
if (resolve_wildcards(directory,newname) &&
|
|
copy_file(directory,newname,conn,ofun, count,target_is_directory,&err))
|
|
count++;
|
|
if(!count && err) {
|
|
errno = err;
|
|
END_PROFILE(SMBcopy);
|
|
return(UNIXERROR(ERRHRD,ERRgeneral));
|
|
}
|
|
if (!count) {
|
|
exists = vfs_file_exist(conn,directory,NULL);
|
|
}
|
|
} else {
|
|
void *dirptr = NULL;
|
|
const char *dname;
|
|
pstring destname;
|
|
|
|
if (check_name(directory,conn))
|
|
dirptr = OpenDir(conn, directory, True);
|
|
|
|
if (dirptr) {
|
|
error = ERRbadfile;
|
|
|
|
if (strequal(mask,"????????.???"))
|
|
pstrcpy(mask,"*");
|
|
|
|
while ((dname = ReadDirName(dirptr))) {
|
|
pstring fname;
|
|
pstrcpy(fname,dname);
|
|
|
|
if(!mask_match(fname, mask, case_sensitive))
|
|
continue;
|
|
|
|
error = ERRnoaccess;
|
|
slprintf(fname,sizeof(fname)-1, "%s/%s",directory,dname);
|
|
pstrcpy(destname,newname);
|
|
if (resolve_wildcards(fname,destname) &&
|
|
copy_file(fname,destname,conn,ofun,
|
|
count,target_is_directory,&err))
|
|
count++;
|
|
DEBUG(3,("reply_copy : doing copy on %s -> %s\n",fname,destname));
|
|
}
|
|
CloseDir(dirptr);
|
|
}
|
|
}
|
|
|
|
if (count == 0) {
|
|
if(err) {
|
|
/* Error on close... */
|
|
errno = err;
|
|
END_PROFILE(SMBcopy);
|
|
return(UNIXERROR(ERRHRD,ERRgeneral));
|
|
}
|
|
|
|
if (exists) {
|
|
END_PROFILE(SMBcopy);
|
|
return ERROR_DOS(ERRDOS,error);
|
|
} else {
|
|
if((errno == ENOENT) && (bad_path1 || bad_path2)) {
|
|
unix_ERR_class = ERRDOS;
|
|
unix_ERR_code = ERRbadpath;
|
|
}
|
|
END_PROFILE(SMBcopy);
|
|
return(UNIXERROR(ERRDOS,error));
|
|
}
|
|
}
|
|
|
|
outsize = set_message(outbuf,1,0,True);
|
|
SSVAL(outbuf,smb_vwv0,count);
|
|
|
|
END_PROFILE(SMBcopy);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a setdir.
|
|
****************************************************************************/
|
|
|
|
int reply_setdir(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
int snum;
|
|
int outsize = 0;
|
|
BOOL ok = False;
|
|
pstring newdir;
|
|
NTSTATUS status;
|
|
|
|
START_PROFILE(pathworks_setdir);
|
|
|
|
snum = SNUM(conn);
|
|
if (!CAN_SETDIR(snum)) {
|
|
END_PROFILE(pathworks_setdir);
|
|
return ERROR_DOS(ERRDOS,ERRnoaccess);
|
|
}
|
|
|
|
srvstr_get_path(inbuf, newdir, smb_buf(inbuf) + 1, sizeof(newdir), STR_TERMINATE,&status);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
END_PROFILE(pathworks_setdir);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
if (strlen(newdir) == 0) {
|
|
ok = True;
|
|
} else {
|
|
ok = vfs_directory_exist(conn,newdir,NULL);
|
|
if (ok)
|
|
string_set(&conn->connectpath,newdir);
|
|
}
|
|
|
|
if (!ok) {
|
|
END_PROFILE(pathworks_setdir);
|
|
return ERROR_DOS(ERRDOS,ERRbadpath);
|
|
}
|
|
|
|
outsize = set_message(outbuf,0,0,True);
|
|
SCVAL(outbuf,smb_reh,CVAL(inbuf,smb_reh));
|
|
|
|
DEBUG(3,("setdir %s\n", newdir));
|
|
|
|
END_PROFILE(pathworks_setdir);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Get a lock pid, dealing with large count requests.
|
|
****************************************************************************/
|
|
|
|
uint16 get_lock_pid( char *data, int data_offset, BOOL large_file_format)
|
|
{
|
|
if(!large_file_format)
|
|
return SVAL(data,SMB_LPID_OFFSET(data_offset));
|
|
else
|
|
return SVAL(data,SMB_LARGE_LPID_OFFSET(data_offset));
|
|
}
|
|
|
|
/****************************************************************************
|
|
Get a lock count, dealing with large count requests.
|
|
****************************************************************************/
|
|
|
|
SMB_BIG_UINT get_lock_count( char *data, int data_offset, BOOL large_file_format)
|
|
{
|
|
SMB_BIG_UINT count = 0;
|
|
|
|
if(!large_file_format) {
|
|
count = (SMB_BIG_UINT)IVAL(data,SMB_LKLEN_OFFSET(data_offset));
|
|
} else {
|
|
|
|
#if defined(HAVE_LONGLONG)
|
|
count = (((SMB_BIG_UINT) IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset))) << 32) |
|
|
((SMB_BIG_UINT) IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset)));
|
|
#else /* HAVE_LONGLONG */
|
|
|
|
/*
|
|
* NT4.x seems to be broken in that it sends large file (64 bit)
|
|
* lockingX calls even if the CAP_LARGE_FILES was *not*
|
|
* negotiated. For boxes without large unsigned ints truncate the
|
|
* lock count by dropping the top 32 bits.
|
|
*/
|
|
|
|
if(IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset)) != 0) {
|
|
DEBUG(3,("get_lock_count: truncating lock count (high)0x%x (low)0x%x to just low count.\n",
|
|
(unsigned int)IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset)),
|
|
(unsigned int)IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset)) ));
|
|
SIVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset),0);
|
|
}
|
|
|
|
count = (SMB_BIG_UINT)IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset));
|
|
#endif /* HAVE_LONGLONG */
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
#if !defined(HAVE_LONGLONG)
|
|
/****************************************************************************
|
|
Pathetically try and map a 64 bit lock offset into 31 bits. I hate Windows :-).
|
|
****************************************************************************/
|
|
|
|
static uint32 map_lock_offset(uint32 high, uint32 low)
|
|
{
|
|
unsigned int i;
|
|
uint32 mask = 0;
|
|
uint32 highcopy = high;
|
|
|
|
/*
|
|
* Try and find out how many significant bits there are in high.
|
|
*/
|
|
|
|
for(i = 0; highcopy; i++)
|
|
highcopy >>= 1;
|
|
|
|
/*
|
|
* We use 31 bits not 32 here as POSIX
|
|
* lock offsets may not be negative.
|
|
*/
|
|
|
|
mask = (~0) << (31 - i);
|
|
|
|
if(low & mask)
|
|
return 0; /* Fail. */
|
|
|
|
high <<= (31 - i);
|
|
|
|
return (high|low);
|
|
}
|
|
#endif /* !defined(HAVE_LONGLONG) */
|
|
|
|
/****************************************************************************
|
|
Get a lock offset, dealing with large offset requests.
|
|
****************************************************************************/
|
|
|
|
SMB_BIG_UINT get_lock_offset( char *data, int data_offset, BOOL large_file_format, BOOL *err)
|
|
{
|
|
SMB_BIG_UINT offset = 0;
|
|
|
|
*err = False;
|
|
|
|
if(!large_file_format) {
|
|
offset = (SMB_BIG_UINT)IVAL(data,SMB_LKOFF_OFFSET(data_offset));
|
|
} else {
|
|
|
|
#if defined(HAVE_LONGLONG)
|
|
offset = (((SMB_BIG_UINT) IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset))) << 32) |
|
|
((SMB_BIG_UINT) IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset)));
|
|
#else /* HAVE_LONGLONG */
|
|
|
|
/*
|
|
* NT4.x seems to be broken in that it sends large file (64 bit)
|
|
* lockingX calls even if the CAP_LARGE_FILES was *not*
|
|
* negotiated. For boxes without large unsigned ints mangle the
|
|
* lock offset by mapping the top 32 bits onto the lower 32.
|
|
*/
|
|
|
|
if(IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset)) != 0) {
|
|
uint32 low = IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset));
|
|
uint32 high = IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset));
|
|
uint32 new_low = 0;
|
|
|
|
if((new_low = map_lock_offset(high, low)) == 0) {
|
|
*err = True;
|
|
return (SMB_BIG_UINT)-1;
|
|
}
|
|
|
|
DEBUG(3,("get_lock_offset: truncating lock offset (high)0x%x (low)0x%x to offset 0x%x.\n",
|
|
(unsigned int)high, (unsigned int)low, (unsigned int)new_low ));
|
|
SIVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset),0);
|
|
SIVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset),new_low);
|
|
}
|
|
|
|
offset = (SMB_BIG_UINT)IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset));
|
|
#endif /* HAVE_LONGLONG */
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a lockingX request.
|
|
****************************************************************************/
|
|
|
|
int reply_lockingX(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
|
|
{
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv2);
|
|
unsigned char locktype = CVAL(inbuf,smb_vwv3);
|
|
unsigned char oplocklevel = CVAL(inbuf,smb_vwv3+1);
|
|
uint16 num_ulocks = SVAL(inbuf,smb_vwv6);
|
|
uint16 num_locks = SVAL(inbuf,smb_vwv7);
|
|
SMB_BIG_UINT count = 0, offset = 0;
|
|
uint16 lock_pid;
|
|
int32 lock_timeout = IVAL(inbuf,smb_vwv4);
|
|
int i;
|
|
char *data;
|
|
BOOL large_file_format = (locktype & LOCKING_ANDX_LARGE_FILES)?True:False;
|
|
BOOL err;
|
|
BOOL my_lock_ctx = False;
|
|
NTSTATUS status;
|
|
|
|
START_PROFILE(SMBlockingX);
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
|
|
data = smb_buf(inbuf);
|
|
|
|
if (locktype & (LOCKING_ANDX_CANCEL_LOCK | LOCKING_ANDX_CHANGE_LOCKTYPE)) {
|
|
/* we don't support these - and CANCEL_LOCK makes w2k
|
|
and XP reboot so I don't really want to be
|
|
compatible! (tridge) */
|
|
return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
|
|
}
|
|
|
|
/* Check if this is an oplock break on a file
|
|
we have granted an oplock on.
|
|
*/
|
|
if ((locktype & LOCKING_ANDX_OPLOCK_RELEASE)) {
|
|
/* Client can insist on breaking to none. */
|
|
BOOL break_to_none = (oplocklevel == 0);
|
|
|
|
DEBUG(5,("reply_lockingX: oplock break reply (%u) from client for fnum = %d\n",
|
|
(unsigned int)oplocklevel, fsp->fnum ));
|
|
|
|
/*
|
|
* Make sure we have granted an exclusive or batch oplock on this file.
|
|
*/
|
|
|
|
if(!EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
|
|
DEBUG(0,("reply_lockingX: Error : oplock break from client for fnum = %d and \
|
|
no oplock granted on this file (%s).\n", fsp->fnum, fsp->fsp_name));
|
|
|
|
/* if this is a pure oplock break request then don't send a reply */
|
|
if (num_locks == 0 && num_ulocks == 0) {
|
|
END_PROFILE(SMBlockingX);
|
|
return -1;
|
|
} else {
|
|
END_PROFILE(SMBlockingX);
|
|
return ERROR_DOS(ERRDOS,ERRlock);
|
|
}
|
|
}
|
|
|
|
if (remove_oplock(fsp, break_to_none) == False) {
|
|
DEBUG(0,("reply_lockingX: error in removing oplock on file %s\n",
|
|
fsp->fsp_name ));
|
|
}
|
|
|
|
/* if this is a pure oplock break request then don't send a reply */
|
|
if (num_locks == 0 && num_ulocks == 0) {
|
|
/* Sanity check - ensure a pure oplock break is not a
|
|
chained request. */
|
|
if(CVAL(inbuf,smb_vwv0) != 0xff)
|
|
DEBUG(0,("reply_lockingX: Error : pure oplock break is a chained %d request !\n",
|
|
(unsigned int)CVAL(inbuf,smb_vwv0) ));
|
|
END_PROFILE(SMBlockingX);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* We do this check *after* we have checked this is not a oplock break
|
|
* response message. JRA.
|
|
*/
|
|
|
|
release_level_2_oplocks_on_change(fsp);
|
|
|
|
/* Data now points at the beginning of the list
|
|
of smb_unlkrng structs */
|
|
for(i = 0; i < (int)num_ulocks; i++) {
|
|
lock_pid = get_lock_pid( data, i, large_file_format);
|
|
count = get_lock_count( data, i, large_file_format);
|
|
offset = get_lock_offset( data, i, large_file_format, &err);
|
|
|
|
/*
|
|
* There is no error code marked "stupid client bug".... :-).
|
|
*/
|
|
if(err) {
|
|
END_PROFILE(SMBlockingX);
|
|
return ERROR_DOS(ERRDOS,ERRnoaccess);
|
|
}
|
|
|
|
DEBUG(10,("reply_lockingX: unlock start=%.0f, len=%.0f for pid %u, file %s\n",
|
|
(double)offset, (double)count, (unsigned int)lock_pid, fsp->fsp_name ));
|
|
|
|
status = do_unlock(fsp,conn,lock_pid,count,offset);
|
|
if (NT_STATUS_V(status)) {
|
|
END_PROFILE(SMBlockingX);
|
|
return ERROR_NT(status);
|
|
}
|
|
}
|
|
|
|
/* Setup the timeout in seconds. */
|
|
|
|
lock_timeout = ((lock_timeout == -1) ? -1 : (lock_timeout+499)/500);
|
|
|
|
/* Now do any requested locks */
|
|
data += ((large_file_format ? 20 : 10)*num_ulocks);
|
|
|
|
/* Data now points at the beginning of the list
|
|
of smb_lkrng structs */
|
|
|
|
for(i = 0; i < (int)num_locks; i++) {
|
|
lock_pid = get_lock_pid( data, i, large_file_format);
|
|
count = get_lock_count( data, i, large_file_format);
|
|
offset = get_lock_offset( data, i, large_file_format, &err);
|
|
|
|
/*
|
|
* There is no error code marked "stupid client bug".... :-).
|
|
*/
|
|
if(err) {
|
|
END_PROFILE(SMBlockingX);
|
|
return ERROR_DOS(ERRDOS,ERRnoaccess);
|
|
}
|
|
|
|
DEBUG(10,("reply_lockingX: lock start=%.0f, len=%.0f for pid %u, file %s timeout = %d\n",
|
|
(double)offset, (double)count, (unsigned int)lock_pid,
|
|
fsp->fsp_name, (int)lock_timeout ));
|
|
|
|
status = do_lock_spin(fsp,conn,lock_pid, count,offset,
|
|
((locktype & 1) ? READ_LOCK : WRITE_LOCK), &my_lock_ctx);
|
|
if (NT_STATUS_V(status)) {
|
|
if ((lock_timeout != 0) && lp_blocking_locks(SNUM(conn)) && !my_lock_ctx && ERROR_WAS_LOCK_DENIED(status)) {
|
|
/*
|
|
* A blocking lock was requested. Package up
|
|
* this smb into a queued request and push it
|
|
* onto the blocking lock queue.
|
|
*/
|
|
if(push_blocking_lock_request(inbuf, length, lock_timeout, i, lock_pid, offset, count)) {
|
|
END_PROFILE(SMBlockingX);
|
|
return -1;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* If any of the above locks failed, then we must unlock
|
|
all of the previous locks (X/Open spec). */
|
|
if (i != num_locks && num_locks != 0) {
|
|
/*
|
|
* Ensure we don't do a remove on the lock that just failed,
|
|
* as under POSIX rules, if we have a lock already there, we
|
|
* will delete it (and we shouldn't) .....
|
|
*/
|
|
for(i--; i >= 0; i--) {
|
|
lock_pid = get_lock_pid( data, i, large_file_format);
|
|
count = get_lock_count( data, i, large_file_format);
|
|
offset = get_lock_offset( data, i, large_file_format, &err);
|
|
|
|
/*
|
|
* There is no error code marked "stupid client bug".... :-).
|
|
*/
|
|
if(err) {
|
|
END_PROFILE(SMBlockingX);
|
|
return ERROR_DOS(ERRDOS,ERRnoaccess);
|
|
}
|
|
|
|
do_unlock(fsp,conn,lock_pid,count,offset);
|
|
}
|
|
END_PROFILE(SMBlockingX);
|
|
return ERROR_NT(status);
|
|
}
|
|
|
|
set_message(outbuf,2,0,True);
|
|
|
|
DEBUG( 3, ( "lockingX fnum=%d type=%d num_locks=%d num_ulocks=%d\n",
|
|
fsp->fnum, (unsigned int)locktype, num_locks, num_ulocks ) );
|
|
|
|
END_PROFILE(SMBlockingX);
|
|
return chain_reply(inbuf,outbuf,length,bufsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a SMBreadbmpx (read block multiplex) request.
|
|
****************************************************************************/
|
|
|
|
int reply_readbmpx(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
|
|
{
|
|
ssize_t nread = -1;
|
|
ssize_t total_read;
|
|
char *data;
|
|
SMB_OFF_T startpos;
|
|
int outsize;
|
|
size_t maxcount;
|
|
int max_per_packet;
|
|
size_t tcount;
|
|
int pad;
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
START_PROFILE(SMBreadBmpx);
|
|
|
|
/* this function doesn't seem to work - disable by default */
|
|
if (!lp_readbmpx()) {
|
|
END_PROFILE(SMBreadBmpx);
|
|
return ERROR_DOS(ERRSRV,ERRuseSTD);
|
|
}
|
|
|
|
outsize = set_message(outbuf,8,0,True);
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
CHECK_READ(fsp);
|
|
|
|
startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv1);
|
|
maxcount = SVAL(inbuf,smb_vwv3);
|
|
|
|
data = smb_buf(outbuf);
|
|
pad = ((long)data)%4;
|
|
if (pad)
|
|
pad = 4 - pad;
|
|
data += pad;
|
|
|
|
max_per_packet = bufsize-(outsize+pad);
|
|
tcount = maxcount;
|
|
total_read = 0;
|
|
|
|
if (is_locked(fsp,conn,(SMB_BIG_UINT)maxcount,(SMB_BIG_UINT)startpos, READ_LOCK,False)) {
|
|
END_PROFILE(SMBreadBmpx);
|
|
return ERROR_DOS(ERRDOS,ERRlock);
|
|
}
|
|
|
|
do {
|
|
size_t N = MIN(max_per_packet,tcount-total_read);
|
|
|
|
nread = read_file(fsp,data,startpos,N);
|
|
|
|
if (nread <= 0)
|
|
nread = 0;
|
|
|
|
if (nread < (ssize_t)N)
|
|
tcount = total_read + nread;
|
|
|
|
set_message(outbuf,8,nread,False);
|
|
SIVAL(outbuf,smb_vwv0,startpos);
|
|
SSVAL(outbuf,smb_vwv2,tcount);
|
|
SSVAL(outbuf,smb_vwv6,nread);
|
|
SSVAL(outbuf,smb_vwv7,smb_offset(data,outbuf));
|
|
|
|
if (!send_smb(smbd_server_fd(),outbuf))
|
|
exit_server("reply_readbmpx: send_smb failed.");
|
|
|
|
total_read += nread;
|
|
startpos += nread;
|
|
} while (total_read < (ssize_t)tcount);
|
|
|
|
END_PROFILE(SMBreadBmpx);
|
|
return(-1);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a SMBsetattrE.
|
|
****************************************************************************/
|
|
|
|
int reply_setattrE(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
|
|
{
|
|
struct utimbuf unix_times;
|
|
int outsize = 0;
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
START_PROFILE(SMBsetattrE);
|
|
|
|
outsize = set_message(outbuf,0,0,True);
|
|
|
|
if(!fsp || (fsp->conn != conn)) {
|
|
END_PROFILE(SMBgetattrE);
|
|
return ERROR_DOS(ERRDOS,ERRbadfid);
|
|
}
|
|
|
|
/*
|
|
* Convert the DOS times into unix times. Ignore create
|
|
* time as UNIX can't set this.
|
|
*/
|
|
|
|
unix_times.actime = make_unix_date2(inbuf+smb_vwv3);
|
|
unix_times.modtime = make_unix_date2(inbuf+smb_vwv5);
|
|
|
|
/*
|
|
* Patch from Ray Frush <frush@engr.colostate.edu>
|
|
* Sometimes times are sent as zero - ignore them.
|
|
*/
|
|
|
|
if ((unix_times.actime == 0) && (unix_times.modtime == 0)) {
|
|
/* Ignore request */
|
|
if( DEBUGLVL( 3 ) ) {
|
|
dbgtext( "reply_setattrE fnum=%d ", fsp->fnum);
|
|
dbgtext( "ignoring zero request - not setting timestamps of 0\n" );
|
|
}
|
|
END_PROFILE(SMBsetattrE);
|
|
return(outsize);
|
|
} else if ((unix_times.actime != 0) && (unix_times.modtime == 0)) {
|
|
/* set modify time = to access time if modify time was 0 */
|
|
unix_times.modtime = unix_times.actime;
|
|
}
|
|
|
|
/* Set the date on this file */
|
|
if(file_utime(conn, fsp->fsp_name, &unix_times)) {
|
|
END_PROFILE(SMBsetattrE);
|
|
return ERROR_DOS(ERRDOS,ERRnoaccess);
|
|
}
|
|
|
|
DEBUG( 3, ( "reply_setattrE fnum=%d actime=%d modtime=%d\n",
|
|
fsp->fnum, (int)unix_times.actime, (int)unix_times.modtime ) );
|
|
|
|
END_PROFILE(SMBsetattrE);
|
|
return(outsize);
|
|
}
|
|
|
|
|
|
/* Back from the dead for OS/2..... JRA. */
|
|
|
|
/****************************************************************************
|
|
Reply to a SMBwritebmpx (write block multiplex primary) request.
|
|
****************************************************************************/
|
|
|
|
int reply_writebmpx(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
|
|
{
|
|
size_t numtowrite;
|
|
ssize_t nwritten = -1;
|
|
int outsize = 0;
|
|
SMB_OFF_T startpos;
|
|
size_t tcount;
|
|
BOOL write_through;
|
|
int smb_doff;
|
|
char *data;
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
START_PROFILE(SMBwriteBmpx);
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
CHECK_WRITE(fsp);
|
|
CHECK_ERROR(fsp);
|
|
|
|
tcount = SVAL(inbuf,smb_vwv1);
|
|
startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv3);
|
|
write_through = BITSETW(inbuf+smb_vwv7,0);
|
|
numtowrite = SVAL(inbuf,smb_vwv10);
|
|
smb_doff = SVAL(inbuf,smb_vwv11);
|
|
|
|
data = smb_base(inbuf) + smb_doff;
|
|
|
|
/* If this fails we need to send an SMBwriteC response,
|
|
not an SMBwritebmpx - set this up now so we don't forget */
|
|
SCVAL(outbuf,smb_com,SMBwritec);
|
|
|
|
if (is_locked(fsp,conn,(SMB_BIG_UINT)tcount,(SMB_BIG_UINT)startpos,WRITE_LOCK,False)) {
|
|
END_PROFILE(SMBwriteBmpx);
|
|
return(ERROR_DOS(ERRDOS,ERRlock));
|
|
}
|
|
|
|
nwritten = write_file(fsp,data,startpos,numtowrite);
|
|
|
|
if(lp_syncalways(SNUM(conn)) || write_through)
|
|
sync_file(conn,fsp);
|
|
|
|
if(nwritten < (ssize_t)numtowrite) {
|
|
END_PROFILE(SMBwriteBmpx);
|
|
return(UNIXERROR(ERRHRD,ERRdiskfull));
|
|
}
|
|
|
|
/* If the maximum to be written to this file
|
|
is greater than what we just wrote then set
|
|
up a secondary struct to be attached to this
|
|
fd, we will use this to cache error messages etc. */
|
|
|
|
if((ssize_t)tcount > nwritten) {
|
|
write_bmpx_struct *wbms;
|
|
if(fsp->wbmpx_ptr != NULL)
|
|
wbms = fsp->wbmpx_ptr; /* Use an existing struct */
|
|
else
|
|
wbms = (write_bmpx_struct *)malloc(sizeof(write_bmpx_struct));
|
|
if(!wbms) {
|
|
DEBUG(0,("Out of memory in reply_readmpx\n"));
|
|
END_PROFILE(SMBwriteBmpx);
|
|
return(ERROR_DOS(ERRSRV,ERRnoresource));
|
|
}
|
|
wbms->wr_mode = write_through;
|
|
wbms->wr_discard = False; /* No errors yet */
|
|
wbms->wr_total_written = nwritten;
|
|
wbms->wr_errclass = 0;
|
|
wbms->wr_error = 0;
|
|
fsp->wbmpx_ptr = wbms;
|
|
}
|
|
|
|
/* We are returning successfully, set the message type back to
|
|
SMBwritebmpx */
|
|
SCVAL(outbuf,smb_com,SMBwriteBmpx);
|
|
|
|
outsize = set_message(outbuf,1,0,True);
|
|
|
|
SSVALS(outbuf,smb_vwv0,-1); /* We don't support smb_remaining */
|
|
|
|
DEBUG( 3, ( "writebmpx fnum=%d num=%d wrote=%d\n",
|
|
fsp->fnum, (int)numtowrite, (int)nwritten ) );
|
|
|
|
if (write_through && tcount==nwritten) {
|
|
/* We need to send both a primary and a secondary response */
|
|
smb_setlen(outbuf,outsize - 4);
|
|
if (!send_smb(smbd_server_fd(),outbuf))
|
|
exit_server("reply_writebmpx: send_smb failed.");
|
|
|
|
/* Now the secondary */
|
|
outsize = set_message(outbuf,1,0,True);
|
|
SCVAL(outbuf,smb_com,SMBwritec);
|
|
SSVAL(outbuf,smb_vwv0,nwritten);
|
|
}
|
|
|
|
END_PROFILE(SMBwriteBmpx);
|
|
return(outsize);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a SMBwritebs (write block multiplex secondary) request.
|
|
****************************************************************************/
|
|
|
|
int reply_writebs(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
|
|
{
|
|
size_t numtowrite;
|
|
ssize_t nwritten = -1;
|
|
int outsize = 0;
|
|
SMB_OFF_T startpos;
|
|
size_t tcount;
|
|
BOOL write_through;
|
|
int smb_doff;
|
|
char *data;
|
|
write_bmpx_struct *wbms;
|
|
BOOL send_response = False;
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
START_PROFILE(SMBwriteBs);
|
|
|
|
CHECK_FSP(fsp,conn);
|
|
CHECK_WRITE(fsp);
|
|
|
|
tcount = SVAL(inbuf,smb_vwv1);
|
|
startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
|
|
numtowrite = SVAL(inbuf,smb_vwv6);
|
|
smb_doff = SVAL(inbuf,smb_vwv7);
|
|
|
|
data = smb_base(inbuf) + smb_doff;
|
|
|
|
/* We need to send an SMBwriteC response, not an SMBwritebs */
|
|
SCVAL(outbuf,smb_com,SMBwritec);
|
|
|
|
/* This fd should have an auxiliary struct attached,
|
|
check that it does */
|
|
wbms = fsp->wbmpx_ptr;
|
|
if(!wbms) {
|
|
END_PROFILE(SMBwriteBs);
|
|
return(-1);
|
|
}
|
|
|
|
/* If write through is set we can return errors, else we must cache them */
|
|
write_through = wbms->wr_mode;
|
|
|
|
/* Check for an earlier error */
|
|
if(wbms->wr_discard) {
|
|
END_PROFILE(SMBwriteBs);
|
|
return -1; /* Just discard the packet */
|
|
}
|
|
|
|
nwritten = write_file(fsp,data,startpos,numtowrite);
|
|
|
|
if(lp_syncalways(SNUM(conn)) || write_through)
|
|
sync_file(conn,fsp);
|
|
|
|
if (nwritten < (ssize_t)numtowrite) {
|
|
if(write_through) {
|
|
/* We are returning an error - we can delete the aux struct */
|
|
if (wbms)
|
|
free((char *)wbms);
|
|
fsp->wbmpx_ptr = NULL;
|
|
END_PROFILE(SMBwriteBs);
|
|
return(ERROR_DOS(ERRHRD,ERRdiskfull));
|
|
}
|
|
END_PROFILE(SMBwriteBs);
|
|
return(CACHE_ERROR(wbms,ERRHRD,ERRdiskfull));
|
|
}
|
|
|
|
/* Increment the total written, if this matches tcount
|
|
we can discard the auxiliary struct (hurrah !) and return a writeC */
|
|
wbms->wr_total_written += nwritten;
|
|
if(wbms->wr_total_written >= tcount) {
|
|
if (write_through) {
|
|
outsize = set_message(outbuf,1,0,True);
|
|
SSVAL(outbuf,smb_vwv0,wbms->wr_total_written);
|
|
send_response = True;
|
|
}
|
|
|
|
free((char *)wbms);
|
|
fsp->wbmpx_ptr = NULL;
|
|
}
|
|
|
|
if(send_response) {
|
|
END_PROFILE(SMBwriteBs);
|
|
return(outsize);
|
|
}
|
|
|
|
END_PROFILE(SMBwriteBs);
|
|
return(-1);
|
|
}
|
|
|
|
/****************************************************************************
|
|
Reply to a SMBgetattrE.
|
|
****************************************************************************/
|
|
|
|
int reply_getattrE(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
|
|
{
|
|
SMB_STRUCT_STAT sbuf;
|
|
int outsize = 0;
|
|
int mode;
|
|
files_struct *fsp = file_fsp(inbuf,smb_vwv0);
|
|
START_PROFILE(SMBgetattrE);
|
|
|
|
outsize = set_message(outbuf,11,0,True);
|
|
|
|
if(!fsp || (fsp->conn != conn)) {
|
|
END_PROFILE(SMBgetattrE);
|
|
return ERROR_DOS(ERRDOS,ERRbadfid);
|
|
}
|
|
|
|
/* Do an fstat on this file */
|
|
if(fsp_stat(fsp, &sbuf)) {
|
|
END_PROFILE(SMBgetattrE);
|
|
return(UNIXERROR(ERRDOS,ERRnoaccess));
|
|
}
|
|
|
|
mode = dos_mode(conn,fsp->fsp_name,&sbuf);
|
|
|
|
/*
|
|
* Convert the times into dos times. Set create
|
|
* date to be last modify date as UNIX doesn't save
|
|
* this.
|
|
*/
|
|
|
|
put_dos_date2(outbuf,smb_vwv0,get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn))));
|
|
put_dos_date2(outbuf,smb_vwv2,sbuf.st_atime);
|
|
put_dos_date2(outbuf,smb_vwv4,sbuf.st_mtime);
|
|
|
|
if (mode & aDIR) {
|
|
SIVAL(outbuf,smb_vwv6,0);
|
|
SIVAL(outbuf,smb_vwv8,0);
|
|
} else {
|
|
uint32 allocation_size = get_allocation_size(fsp, &sbuf);
|
|
SIVAL(outbuf,smb_vwv6,(uint32)sbuf.st_size);
|
|
SIVAL(outbuf,smb_vwv8,allocation_size);
|
|
}
|
|
SSVAL(outbuf,smb_vwv10, mode);
|
|
|
|
DEBUG( 3, ( "reply_getattrE fnum=%d\n", fsp->fnum));
|
|
|
|
END_PROFILE(SMBgetattrE);
|
|
return(outsize);
|
|
}
|