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|
/*
Unix SMB/CIFS implementation.
client file operations
Copyright (C) Andrew Tridgell 1994-1998
Copyright (C) Jeremy Allison 2001-2002
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.
*/
#include "includes.h"
/****************************************************************************
Hard/Symlink a file (UNIX extensions).
Creates new name (sym)linked to oldname.
****************************************************************************/
static BOOL cli_link_internal(struct cli_state *cli, const char *oldname, const char *newname, BOOL hard_link)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
uint16 setup = TRANSACT2_SETPATHINFO;
char param[sizeof(pstring)+6];
pstring data;
char *rparam=NULL, *rdata=NULL;
char *p;
size_t oldlen = 2*(strlen(oldname)+1);
size_t newlen = 2*(strlen(newname)+1);
memset(param, 0, sizeof(param));
SSVAL(param,0,hard_link ? SMB_SET_FILE_UNIX_HLINK : SMB_SET_FILE_UNIX_LINK);
p = ¶m[6];
p += clistr_push(cli, p, newname, MIN(newlen, sizeof(param)-6), STR_TERMINATE);
param_len = PTR_DIFF(p, param);
p = data;
p += clistr_push(cli, p, oldname, MIN(oldlen,sizeof(data)), STR_TERMINATE);
data_len = PTR_DIFF(p, data);
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 2, /* param, length, max */
(char *)&data, data_len, cli->max_xmit /* data, length, max */
)) {
return False;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, ¶m_len,
&rdata, &data_len)) {
return False;
}
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return True;
}
/****************************************************************************
Map standard UNIX permissions onto wire representations.
****************************************************************************/
uint32 unix_perms_to_wire(mode_t perms)
{
unsigned int ret = 0;
ret |= ((perms & S_IXOTH) ? UNIX_X_OTH : 0);
ret |= ((perms & S_IWOTH) ? UNIX_W_OTH : 0);
ret |= ((perms & S_IROTH) ? UNIX_R_OTH : 0);
ret |= ((perms & S_IXGRP) ? UNIX_X_GRP : 0);
ret |= ((perms & S_IWGRP) ? UNIX_W_GRP : 0);
ret |= ((perms & S_IRGRP) ? UNIX_R_GRP : 0);
ret |= ((perms & S_IXUSR) ? UNIX_X_USR : 0);
ret |= ((perms & S_IWUSR) ? UNIX_W_USR : 0);
ret |= ((perms & S_IRUSR) ? UNIX_R_USR : 0);
#ifdef S_ISVTX
ret |= ((perms & S_ISVTX) ? UNIX_STICKY : 0);
#endif
#ifdef S_ISGID
ret |= ((perms & S_ISGID) ? UNIX_SET_GID : 0);
#endif
#ifdef S_ISUID
ret |= ((perms & S_ISUID) ? UNIX_SET_UID : 0);
#endif
return ret;
}
/****************************************************************************
Map wire permissions to standard UNIX.
****************************************************************************/
mode_t wire_perms_to_unix(uint32 perms)
{
mode_t ret = (mode_t)0;
ret |= ((perms & UNIX_X_OTH) ? S_IXOTH : 0);
ret |= ((perms & UNIX_W_OTH) ? S_IWOTH : 0);
ret |= ((perms & UNIX_R_OTH) ? S_IROTH : 0);
ret |= ((perms & UNIX_X_GRP) ? S_IXGRP : 0);
ret |= ((perms & UNIX_W_GRP) ? S_IWGRP : 0);
ret |= ((perms & UNIX_R_GRP) ? S_IRGRP : 0);
ret |= ((perms & UNIX_X_USR) ? S_IXUSR : 0);
ret |= ((perms & UNIX_W_USR) ? S_IWUSR : 0);
ret |= ((perms & UNIX_R_USR) ? S_IRUSR : 0);
#ifdef S_ISVTX
ret |= ((perms & UNIX_STICKY) ? S_ISVTX : 0);
#endif
#ifdef S_ISGID
ret |= ((perms & UNIX_SET_GID) ? S_ISGID : 0);
#endif
#ifdef S_ISUID
ret |= ((perms & UNIX_SET_UID) ? S_ISUID : 0);
#endif
return ret;
}
/****************************************************************************
Return the file type from the wire filetype for UNIX extensions.
****************************************************************************/
static mode_t unix_filetype_from_wire(uint32 wire_type)
{
switch (wire_type) {
case UNIX_TYPE_FILE:
return S_IFREG;
case UNIX_TYPE_DIR:
return S_IFDIR;
#ifdef S_IFLNK
case UNIX_TYPE_SYMLINK:
return S_IFLNK;
#endif
#ifdef S_IFCHR
case UNIX_TYPE_CHARDEV:
return S_IFCHR;
#endif
#ifdef S_IFBLK
case UNIX_TYPE_BLKDEV:
return S_IFBLK;
#endif
#ifdef S_IFIFO
case UNIX_TYPE_FIFO:
return S_IFIFO;
#endif
#ifdef S_IFSOCK
case UNIX_TYPE_SOCKET:
return S_IFSOCK;
#endif
default:
return (mode_t)0;
}
}
/****************************************************************************
Do a POSIX getfacl (UNIX extensions).
****************************************************************************/
BOOL cli_unix_getfacl(struct cli_state *cli, const char *name, size_t *prb_size, char **retbuf)
{
unsigned int param_len = 0;
unsigned int data_len = 0;
uint16 setup = TRANSACT2_QPATHINFO;
char param[sizeof(pstring)+6];
char *rparam=NULL, *rdata=NULL;
char *p;
p = param;
memset(p, 0, 6);
SSVAL(p, 0, SMB_QUERY_POSIX_ACL);
p += 6;
p += clistr_push(cli, p, name, sizeof(pstring)-6, STR_TERMINATE);
param_len = PTR_DIFF(p, param);
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 2, /* param, length, max */
NULL, 0, cli->max_xmit /* data, length, max */
)) {
return False;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, ¶m_len,
&rdata, &data_len)) {
return False;
}
if (data_len < 6) {
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return False;
}
SAFE_FREE(rparam);
*retbuf = rdata;
*prb_size = (size_t)data_len;
return True;
}
/****************************************************************************
Stat a file (UNIX extensions).
****************************************************************************/
BOOL cli_unix_stat(struct cli_state *cli, const char *name, SMB_STRUCT_STAT *sbuf)
{
unsigned int param_len = 0;
unsigned int data_len = 0;
uint16 setup = TRANSACT2_QPATHINFO;
char param[sizeof(pstring)+6];
char *rparam=NULL, *rdata=NULL;
char *p;
ZERO_STRUCTP(sbuf);
p = param;
memset(p, 0, 6);
SSVAL(p, 0, SMB_QUERY_FILE_UNIX_BASIC);
p += 6;
p += clistr_push(cli, p, name, sizeof(pstring)-6, STR_TERMINATE);
param_len = PTR_DIFF(p, param);
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 2, /* param, length, max */
NULL, 0, cli->max_xmit /* data, length, max */
)) {
return False;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, ¶m_len,
&rdata, &data_len)) {
return False;
}
if (data_len < 96) {
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return False;
}
sbuf->st_size = IVAL2_TO_SMB_BIG_UINT(rdata,0); /* total size, in bytes */
sbuf->st_blocks = IVAL2_TO_SMB_BIG_UINT(rdata,8); /* number of blocks allocated */
#if defined (HAVE_STAT_ST_BLOCKS) && defined(STAT_ST_BLOCKSIZE)
sbuf->st_blocks /= STAT_ST_BLOCKSIZE;
#else
/* assume 512 byte blocks */
sbuf->st_blocks /= 512;
#endif
set_ctimespec(sbuf, interpret_long_date(rdata + 16)); /* time of last change */
set_atimespec(sbuf, interpret_long_date(rdata + 24)); /* time of last access */
set_mtimespec(sbuf, interpret_long_date(rdata + 32)); /* time of last modification */
sbuf->st_uid = (uid_t) IVAL(rdata,40); /* user ID of owner */
sbuf->st_gid = (gid_t) IVAL(rdata,48); /* group ID of owner */
sbuf->st_mode |= unix_filetype_from_wire(IVAL(rdata, 56));
#if defined(HAVE_MAKEDEV)
{
uint32 dev_major = IVAL(rdata,60);
uint32 dev_minor = IVAL(rdata,68);
sbuf->st_rdev = makedev(dev_major, dev_minor);
}
#endif
sbuf->st_ino = (SMB_INO_T)IVAL2_TO_SMB_BIG_UINT(rdata,76); /* inode */
sbuf->st_mode |= wire_perms_to_unix(IVAL(rdata,84)); /* protection */
sbuf->st_nlink = IVAL(rdata,92); /* number of hard links */
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return True;
}
/****************************************************************************
Symlink a file (UNIX extensions).
****************************************************************************/
BOOL cli_unix_symlink(struct cli_state *cli, const char *oldname, const char *newname)
{
return cli_link_internal(cli, oldname, newname, False);
}
/****************************************************************************
Hard a file (UNIX extensions).
****************************************************************************/
BOOL cli_unix_hardlink(struct cli_state *cli, const char *oldname, const char *newname)
{
return cli_link_internal(cli, oldname, newname, True);
}
/****************************************************************************
Chmod or chown a file internal (UNIX extensions).
****************************************************************************/
static BOOL cli_unix_chmod_chown_internal(struct cli_state *cli, const char *fname, uint32 mode, uint32 uid, uint32 gid)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
uint16 setup = TRANSACT2_SETPATHINFO;
char param[sizeof(pstring)+6];
char data[100];
char *rparam=NULL, *rdata=NULL;
char *p;
memset(param, 0, sizeof(param));
memset(data, 0, sizeof(data));
SSVAL(param,0,SMB_SET_FILE_UNIX_BASIC);
p = ¶m[6];
p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
param_len = PTR_DIFF(p, param);
memset(data, 0xff, 40); /* Set all sizes/times to no change. */
SIVAL(data,40,uid);
SIVAL(data,48,gid);
SIVAL(data,84,mode);
data_len = 100;
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 2, /* param, length, max */
(char *)&data, data_len, cli->max_xmit /* data, length, max */
)) {
return False;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, ¶m_len,
&rdata, &data_len)) {
return False;
}
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return True;
}
/****************************************************************************
chmod a file (UNIX extensions).
****************************************************************************/
BOOL cli_unix_chmod(struct cli_state *cli, const char *fname, mode_t mode)
{
return cli_unix_chmod_chown_internal(cli, fname,
unix_perms_to_wire(mode), SMB_UID_NO_CHANGE, SMB_GID_NO_CHANGE);
}
/****************************************************************************
chown a file (UNIX extensions).
****************************************************************************/
BOOL cli_unix_chown(struct cli_state *cli, const char *fname, uid_t uid, gid_t gid)
{
return cli_unix_chmod_chown_internal(cli, fname, SMB_MODE_NO_CHANGE, (uint32)uid, (uint32)gid);
}
/****************************************************************************
Rename a file.
****************************************************************************/
BOOL cli_rename(struct cli_state *cli, const char *fname_src, const char *fname_dst)
{
char *p;
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
set_message(cli->outbuf,1, 0, True);
SCVAL(cli->outbuf,smb_com,SMBmv);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SSVAL(cli->outbuf,smb_vwv0,aSYSTEM | aHIDDEN | aDIR);
p = smb_buf(cli->outbuf);
*p++ = 4;
p += clistr_push(cli, p, fname_src, -1, STR_TERMINATE);
*p++ = 4;
p += clistr_push(cli, p, fname_dst, -1, STR_TERMINATE);
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (!cli_receive_smb(cli))
return False;
if (cli_is_error(cli))
return False;
return True;
}
/****************************************************************************
NT Rename a file.
****************************************************************************/
BOOL cli_ntrename(struct cli_state *cli, const char *fname_src, const char *fname_dst)
{
char *p;
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
set_message(cli->outbuf, 4, 0, True);
SCVAL(cli->outbuf,smb_com,SMBntrename);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SSVAL(cli->outbuf,smb_vwv0,aSYSTEM | aHIDDEN | aDIR);
SSVAL(cli->outbuf,smb_vwv1, RENAME_FLAG_RENAME);
p = smb_buf(cli->outbuf);
*p++ = 4;
p += clistr_push(cli, p, fname_src, -1, STR_TERMINATE);
*p++ = 4;
p += clistr_push(cli, p, fname_dst, -1, STR_TERMINATE);
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (!cli_receive_smb(cli))
return False;
if (cli_is_error(cli))
return False;
return True;
}
/****************************************************************************
NT hardlink a file.
****************************************************************************/
BOOL cli_nt_hardlink(struct cli_state *cli, const char *fname_src, const char *fname_dst)
{
char *p;
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
set_message(cli->outbuf, 4, 0, True);
SCVAL(cli->outbuf,smb_com,SMBntrename);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SSVAL(cli->outbuf,smb_vwv0,aSYSTEM | aHIDDEN | aDIR);
SSVAL(cli->outbuf,smb_vwv1, RENAME_FLAG_HARD_LINK);
p = smb_buf(cli->outbuf);
*p++ = 4;
p += clistr_push(cli, p, fname_src, -1, STR_TERMINATE);
*p++ = 4;
p += clistr_push(cli, p, fname_dst, -1, STR_TERMINATE);
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (!cli_receive_smb(cli))
return False;
if (cli_is_error(cli))
return False;
return True;
}
/****************************************************************************
Delete a file.
****************************************************************************/
BOOL cli_unlink(struct cli_state *cli, const char *fname)
{
char *p;
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
set_message(cli->outbuf,1, 0,True);
SCVAL(cli->outbuf,smb_com,SMBunlink);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SSVAL(cli->outbuf,smb_vwv0,aSYSTEM | aHIDDEN);
p = smb_buf(cli->outbuf);
*p++ = 4;
p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return False;
}
if (cli_is_error(cli)) {
return False;
}
return True;
}
/****************************************************************************
Create a directory.
****************************************************************************/
BOOL cli_mkdir(struct cli_state *cli, const char *dname)
{
char *p;
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
set_message(cli->outbuf,0, 0,True);
SCVAL(cli->outbuf,smb_com,SMBmkdir);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
p = smb_buf(cli->outbuf);
*p++ = 4;
p += clistr_push(cli, p, dname, -1, STR_TERMINATE);
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return False;
}
if (cli_is_error(cli)) {
return False;
}
return True;
}
/****************************************************************************
Remove a directory.
****************************************************************************/
BOOL cli_rmdir(struct cli_state *cli, const char *dname)
{
char *p;
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
set_message(cli->outbuf,0, 0, True);
SCVAL(cli->outbuf,smb_com,SMBrmdir);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
p = smb_buf(cli->outbuf);
*p++ = 4;
p += clistr_push(cli, p, dname, -1, STR_TERMINATE);
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return False;
}
if (cli_is_error(cli)) {
return False;
}
return True;
}
/****************************************************************************
Set or clear the delete on close flag.
****************************************************************************/
int cli_nt_delete_on_close(struct cli_state *cli, int fnum, BOOL flag)
{
unsigned int data_len = 1;
unsigned int param_len = 6;
uint16 setup = TRANSACT2_SETFILEINFO;
pstring param;
unsigned char data;
char *rparam=NULL, *rdata=NULL;
memset(param, 0, param_len);
SSVAL(param,0,fnum);
SSVAL(param,2,SMB_SET_FILE_DISPOSITION_INFO);
data = flag ? 1 : 0;
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 2, /* param, length, max */
(char *)&data, data_len, cli->max_xmit /* data, length, max */
)) {
return False;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, ¶m_len,
&rdata, &data_len)) {
return False;
}
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return True;
}
/****************************************************************************
Open a file - exposing the full horror of the NT API :-).
Used in smbtorture.
****************************************************************************/
int cli_nt_create_full(struct cli_state *cli, const char *fname,
uint32 CreatFlags, uint32 DesiredAccess,
uint32 FileAttributes, uint32 ShareAccess,
uint32 CreateDisposition, uint32 CreateOptions,
uint8 SecuityFlags)
{
char *p;
int len;
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
set_message(cli->outbuf,24,0,True);
SCVAL(cli->outbuf,smb_com,SMBntcreateX);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SSVAL(cli->outbuf,smb_vwv0,0xFF);
if (cli->use_oplocks)
CreatFlags |= (REQUEST_OPLOCK|REQUEST_BATCH_OPLOCK);
SIVAL(cli->outbuf,smb_ntcreate_Flags, CreatFlags);
SIVAL(cli->outbuf,smb_ntcreate_RootDirectoryFid, 0x0);
SIVAL(cli->outbuf,smb_ntcreate_DesiredAccess, DesiredAccess);
SIVAL(cli->outbuf,smb_ntcreate_FileAttributes, FileAttributes);
SIVAL(cli->outbuf,smb_ntcreate_ShareAccess, ShareAccess);
SIVAL(cli->outbuf,smb_ntcreate_CreateDisposition, CreateDisposition);
SIVAL(cli->outbuf,smb_ntcreate_CreateOptions, CreateOptions);
SIVAL(cli->outbuf,smb_ntcreate_ImpersonationLevel, 0x02);
SCVAL(cli->outbuf,smb_ntcreate_SecurityFlags, SecuityFlags);
p = smb_buf(cli->outbuf);
/* this alignment and termination is critical for netapp filers. Don't change */
p += clistr_align_out(cli, p, 0);
len = clistr_push(cli, p, fname, -1, 0);
p += len;
SSVAL(cli->outbuf,smb_ntcreate_NameLength, len);
/* sigh. this copes with broken netapp filer behaviour */
p += clistr_push(cli, p, "", -1, STR_TERMINATE);
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return -1;
}
if (cli_is_error(cli)) {
return -1;
}
return SVAL(cli->inbuf,smb_vwv2 + 1);
}
/****************************************************************************
Open a file.
****************************************************************************/
int cli_nt_create(struct cli_state *cli, const char *fname, uint32 DesiredAccess)
{
return cli_nt_create_full(cli, fname, 0, DesiredAccess, 0,
FILE_SHARE_READ|FILE_SHARE_WRITE, FILE_OPEN, 0x0, 0x0);
}
/****************************************************************************
Open a file
WARNING: if you open with O_WRONLY then getattrE won't work!
****************************************************************************/
int cli_open(struct cli_state *cli, const char *fname, int flags, int share_mode)
{
char *p;
unsigned openfn=0;
unsigned accessmode=0;
if (flags & O_CREAT)
openfn |= (1<<4);
if (!(flags & O_EXCL)) {
if (flags & O_TRUNC)
openfn |= (1<<1);
else
openfn |= (1<<0);
}
accessmode = (share_mode<<4);
if ((flags & O_ACCMODE) == O_RDWR) {
accessmode |= 2;
} else if ((flags & O_ACCMODE) == O_WRONLY) {
accessmode |= 1;
}
#if defined(O_SYNC)
if ((flags & O_SYNC) == O_SYNC) {
accessmode |= (1<<14);
}
#endif /* O_SYNC */
if (share_mode == DENY_FCB) {
accessmode = 0xFF;
}
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
set_message(cli->outbuf,15,0,True);
SCVAL(cli->outbuf,smb_com,SMBopenX);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SSVAL(cli->outbuf,smb_vwv0,0xFF);
SSVAL(cli->outbuf,smb_vwv2,0); /* no additional info */
SSVAL(cli->outbuf,smb_vwv3,accessmode);
SSVAL(cli->outbuf,smb_vwv4,aSYSTEM | aHIDDEN);
SSVAL(cli->outbuf,smb_vwv5,0);
SSVAL(cli->outbuf,smb_vwv8,openfn);
if (cli->use_oplocks) {
/* if using oplocks then ask for a batch oplock via
core and extended methods */
SCVAL(cli->outbuf,smb_flg, CVAL(cli->outbuf,smb_flg)|
FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK);
SSVAL(cli->outbuf,smb_vwv2,SVAL(cli->outbuf,smb_vwv2) | 6);
}
p = smb_buf(cli->outbuf);
p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return -1;
}
if (cli_is_error(cli)) {
return -1;
}
return SVAL(cli->inbuf,smb_vwv2);
}
/****************************************************************************
Close a file.
****************************************************************************/
BOOL cli_close(struct cli_state *cli, int fnum)
{
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
set_message(cli->outbuf,3,0,True);
SCVAL(cli->outbuf,smb_com,SMBclose);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SSVAL(cli->outbuf,smb_vwv0,fnum);
SIVALS(cli->outbuf,smb_vwv1,-1);
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return False;
}
return !cli_is_error(cli);
}
/****************************************************************************
send a lock with a specified locktype
this is used for testing LOCKING_ANDX_CANCEL_LOCK
****************************************************************************/
NTSTATUS cli_locktype(struct cli_state *cli, int fnum,
uint32 offset, uint32 len, int timeout, unsigned char locktype)
{
char *p;
int saved_timeout = cli->timeout;
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0', smb_size);
set_message(cli->outbuf,8,0,True);
SCVAL(cli->outbuf,smb_com,SMBlockingX);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SCVAL(cli->outbuf,smb_vwv0,0xFF);
SSVAL(cli->outbuf,smb_vwv2,fnum);
SCVAL(cli->outbuf,smb_vwv3,locktype);
SIVALS(cli->outbuf, smb_vwv4, timeout);
SSVAL(cli->outbuf,smb_vwv6,0);
SSVAL(cli->outbuf,smb_vwv7,1);
p = smb_buf(cli->outbuf);
SSVAL(p, 0, cli->pid);
SIVAL(p, 2, offset);
SIVAL(p, 6, len);
p += 10;
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (timeout != 0) {
cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout + 2*1000);
}
if (!cli_receive_smb(cli)) {
cli->timeout = saved_timeout;
return NT_STATUS_UNSUCCESSFUL;
}
cli->timeout = saved_timeout;
return cli_nt_error(cli);
}
/****************************************************************************
Lock a file.
note that timeout is in units of 2 milliseconds
****************************************************************************/
BOOL cli_lock(struct cli_state *cli, int fnum,
uint32 offset, uint32 len, int timeout, enum brl_type lock_type)
{
char *p;
int saved_timeout = cli->timeout;
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0', smb_size);
set_message(cli->outbuf,8,0,True);
SCVAL(cli->outbuf,smb_com,SMBlockingX);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SCVAL(cli->outbuf,smb_vwv0,0xFF);
SSVAL(cli->outbuf,smb_vwv2,fnum);
SCVAL(cli->outbuf,smb_vwv3,(lock_type == READ_LOCK? 1 : 0));
SIVALS(cli->outbuf, smb_vwv4, timeout);
SSVAL(cli->outbuf,smb_vwv6,0);
SSVAL(cli->outbuf,smb_vwv7,1);
p = smb_buf(cli->outbuf);
SSVAL(p, 0, cli->pid);
SIVAL(p, 2, offset);
SIVAL(p, 6, len);
p += 10;
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (timeout != 0) {
cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout*2 + 5*1000);
}
if (!cli_receive_smb(cli)) {
cli->timeout = saved_timeout;
return False;
}
cli->timeout = saved_timeout;
if (cli_is_error(cli)) {
return False;
}
return True;
}
/****************************************************************************
Unlock a file.
****************************************************************************/
BOOL cli_unlock(struct cli_state *cli, int fnum, uint32 offset, uint32 len)
{
char *p;
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
set_message(cli->outbuf,8,0,True);
SCVAL(cli->outbuf,smb_com,SMBlockingX);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SCVAL(cli->outbuf,smb_vwv0,0xFF);
SSVAL(cli->outbuf,smb_vwv2,fnum);
SCVAL(cli->outbuf,smb_vwv3,0);
SIVALS(cli->outbuf, smb_vwv4, 0);
SSVAL(cli->outbuf,smb_vwv6,1);
SSVAL(cli->outbuf,smb_vwv7,0);
p = smb_buf(cli->outbuf);
SSVAL(p, 0, cli->pid);
SIVAL(p, 2, offset);
SIVAL(p, 6, len);
p += 10;
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return False;
}
if (cli_is_error(cli)) {
return False;
}
return True;
}
/****************************************************************************
Lock a file with 64 bit offsets.
****************************************************************************/
BOOL cli_lock64(struct cli_state *cli, int fnum,
SMB_BIG_UINT offset, SMB_BIG_UINT len, int timeout, enum brl_type lock_type)
{
char *p;
int saved_timeout = cli->timeout;
int ltype;
if (! (cli->capabilities & CAP_LARGE_FILES)) {
return cli_lock(cli, fnum, offset, len, timeout, lock_type);
}
ltype = (lock_type == READ_LOCK? 1 : 0);
ltype |= LOCKING_ANDX_LARGE_FILES;
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0', smb_size);
set_message(cli->outbuf,8,0,True);
SCVAL(cli->outbuf,smb_com,SMBlockingX);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SCVAL(cli->outbuf,smb_vwv0,0xFF);
SSVAL(cli->outbuf,smb_vwv2,fnum);
SCVAL(cli->outbuf,smb_vwv3,ltype);
SIVALS(cli->outbuf, smb_vwv4, timeout);
SSVAL(cli->outbuf,smb_vwv6,0);
SSVAL(cli->outbuf,smb_vwv7,1);
p = smb_buf(cli->outbuf);
SIVAL(p, 0, cli->pid);
SOFF_T_R(p, 4, offset);
SOFF_T_R(p, 12, len);
p += 20;
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (timeout != 0) {
cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout + 5*1000);
}
if (!cli_receive_smb(cli)) {
cli->timeout = saved_timeout;
return False;
}
cli->timeout = saved_timeout;
if (cli_is_error(cli)) {
return False;
}
return True;
}
/****************************************************************************
Unlock a file with 64 bit offsets.
****************************************************************************/
BOOL cli_unlock64(struct cli_state *cli, int fnum, SMB_BIG_UINT offset, SMB_BIG_UINT len)
{
char *p;
if (! (cli->capabilities & CAP_LARGE_FILES)) {
return cli_unlock(cli, fnum, offset, len);
}
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
set_message(cli->outbuf,8,0,True);
SCVAL(cli->outbuf,smb_com,SMBlockingX);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SCVAL(cli->outbuf,smb_vwv0,0xFF);
SSVAL(cli->outbuf,smb_vwv2,fnum);
SCVAL(cli->outbuf,smb_vwv3,LOCKING_ANDX_LARGE_FILES);
SIVALS(cli->outbuf, smb_vwv4, 0);
SSVAL(cli->outbuf,smb_vwv6,1);
SSVAL(cli->outbuf,smb_vwv7,0);
p = smb_buf(cli->outbuf);
SIVAL(p, 0, cli->pid);
SOFF_T_R(p, 4, offset);
SOFF_T_R(p, 12, len);
p += 20;
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return False;
}
if (cli_is_error(cli)) {
return False;
}
return True;
}
/****************************************************************************
Get/unlock a POSIX lock on a file - internal function.
****************************************************************************/
static BOOL cli_posix_lock_internal(struct cli_state *cli, int fnum,
SMB_BIG_UINT offset, SMB_BIG_UINT len, BOOL wait_lock, enum brl_type lock_type)
{
unsigned int param_len = 4;
unsigned int data_len = POSIX_LOCK_DATA_SIZE;
uint16 setup = TRANSACT2_SETFILEINFO;
char param[4];
unsigned char data[POSIX_LOCK_DATA_SIZE];
char *rparam=NULL, *rdata=NULL;
int saved_timeout = cli->timeout;
SSVAL(param,0,fnum);
SSVAL(param,2,SMB_SET_POSIX_LOCK);
switch (lock_type) {
case READ_LOCK:
SSVAL(data, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_READ);
break;
case WRITE_LOCK:
SSVAL(data, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_WRITE);
break;
case UNLOCK_LOCK:
SSVAL(data, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_UNLOCK);
break;
default:
return False;
}
if (wait_lock) {
SSVAL(data, POSIX_LOCK_FLAGS_OFFSET, POSIX_LOCK_FLAG_WAIT);
cli->timeout = 0x7FFFFFFF;
} else {
SSVAL(data, POSIX_LOCK_FLAGS_OFFSET, POSIX_LOCK_FLAG_NOWAIT);
}
SIVAL(data, POSIX_LOCK_PID_OFFSET, cli->pid);
SOFF_T(data, POSIX_LOCK_START_OFFSET, offset);
SOFF_T(data, POSIX_LOCK_LEN_OFFSET, len);
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 2, /* param, length, max */
(char *)&data, data_len, cli->max_xmit /* data, length, max */
)) {
cli->timeout = saved_timeout;
return False;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, ¶m_len,
&rdata, &data_len)) {
cli->timeout = saved_timeout;
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return False;
}
cli->timeout = saved_timeout;
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return True;
}
/****************************************************************************
POSIX Lock a file.
****************************************************************************/
BOOL cli_posix_lock(struct cli_state *cli, int fnum,
SMB_BIG_UINT offset, SMB_BIG_UINT len,
BOOL wait_lock, enum brl_type lock_type)
{
if (lock_type != READ_LOCK && lock_type != WRITE_LOCK) {
return False;
}
return cli_posix_lock_internal(cli, fnum, offset, len, wait_lock, lock_type);
}
/****************************************************************************
POSIX Unlock a file.
****************************************************************************/
BOOL cli_posix_unlock(struct cli_state *cli, int fnum, SMB_BIG_UINT offset, SMB_BIG_UINT len)
{
return cli_posix_lock_internal(cli, fnum, offset, len, False, UNLOCK_LOCK);
}
/****************************************************************************
POSIX Get any lock covering a file.
****************************************************************************/
BOOL cli_posix_getlock(struct cli_state *cli, int fnum, SMB_BIG_UINT *poffset, SMB_BIG_UINT *plen)
{
return True;
}
/****************************************************************************
Do a SMBgetattrE call.
****************************************************************************/
BOOL cli_getattrE(struct cli_state *cli, int fd,
uint16 *attr, SMB_OFF_T *size,
time_t *change_time,
time_t *access_time,
time_t *write_time)
{
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
set_message(cli->outbuf,1,0,True);
SCVAL(cli->outbuf,smb_com,SMBgetattrE);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SSVAL(cli->outbuf,smb_vwv0,fd);
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return False;
}
if (cli_is_error(cli)) {
return False;
}
if (size) {
*size = IVAL(cli->inbuf, smb_vwv6);
}
if (attr) {
*attr = SVAL(cli->inbuf,smb_vwv10);
}
if (change_time) {
*change_time = cli_make_unix_date2(cli, cli->inbuf+smb_vwv0);
}
if (access_time) {
*access_time = cli_make_unix_date2(cli, cli->inbuf+smb_vwv2);
}
if (write_time) {
*write_time = cli_make_unix_date2(cli, cli->inbuf+smb_vwv4);
}
return True;
}
/****************************************************************************
Do a SMBgetatr call
****************************************************************************/
BOOL cli_getatr(struct cli_state *cli, const char *fname,
uint16 *attr, SMB_OFF_T *size, time_t *write_time)
{
char *p;
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
set_message(cli->outbuf,0,0,True);
SCVAL(cli->outbuf,smb_com,SMBgetatr);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
p = smb_buf(cli->outbuf);
*p++ = 4;
p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return False;
}
if (cli_is_error(cli)) {
return False;
}
if (size) {
*size = IVAL(cli->inbuf, smb_vwv3);
}
if (write_time) {
*write_time = cli_make_unix_date3(cli, cli->inbuf+smb_vwv1);
}
if (attr) {
*attr = SVAL(cli->inbuf,smb_vwv0);
}
return True;
}
/****************************************************************************
Do a SMBsetattrE call.
****************************************************************************/
BOOL cli_setattrE(struct cli_state *cli, int fd,
time_t change_time,
time_t access_time,
time_t write_time)
{
char *p;
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
set_message(cli->outbuf,7,0,True);
SCVAL(cli->outbuf,smb_com,SMBsetattrE);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SSVAL(cli->outbuf,smb_vwv0, fd);
cli_put_dos_date2(cli, cli->outbuf,smb_vwv1, change_time);
cli_put_dos_date2(cli, cli->outbuf,smb_vwv3, access_time);
cli_put_dos_date2(cli, cli->outbuf,smb_vwv5, write_time);
p = smb_buf(cli->outbuf);
*p++ = 4;
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return False;
}
if (cli_is_error(cli)) {
return False;
}
return True;
}
/****************************************************************************
Do a SMBsetatr call.
****************************************************************************/
BOOL cli_setatr(struct cli_state *cli, const char *fname, uint16 attr, time_t t)
{
char *p;
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
set_message(cli->outbuf,8,0,True);
SCVAL(cli->outbuf,smb_com,SMBsetatr);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SSVAL(cli->outbuf,smb_vwv0, attr);
cli_put_dos_date3(cli, cli->outbuf,smb_vwv1, t);
p = smb_buf(cli->outbuf);
*p++ = 4;
p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
*p++ = 4;
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return False;
}
if (cli_is_error(cli)) {
return False;
}
return True;
}
/****************************************************************************
Check for existance of a dir.
****************************************************************************/
BOOL cli_chkpath(struct cli_state *cli, const char *path)
{
pstring path2;
char *p;
pstrcpy(path2,path);
trim_char(path2,'\0','\\');
if (!*path2)
*path2 = '\\';
memset(cli->outbuf,'\0',smb_size);
set_message(cli->outbuf,0,0,True);
SCVAL(cli->outbuf,smb_com,SMBcheckpath);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
p = smb_buf(cli->outbuf);
*p++ = 4;
p += clistr_push(cli, p, path2, -1, STR_TERMINATE);
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return False;
}
if (cli_is_error(cli)) return False;
return True;
}
/****************************************************************************
Query disk space.
****************************************************************************/
BOOL cli_dskattr(struct cli_state *cli, int *bsize, int *total, int *avail)
{
memset(cli->outbuf,'\0',smb_size);
set_message(cli->outbuf,0,0,True);
SCVAL(cli->outbuf,smb_com,SMBdskattr);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return False;
}
*bsize = SVAL(cli->inbuf,smb_vwv1)*SVAL(cli->inbuf,smb_vwv2);
*total = SVAL(cli->inbuf,smb_vwv0);
*avail = SVAL(cli->inbuf,smb_vwv3);
return True;
}
/****************************************************************************
Create and open a temporary file.
****************************************************************************/
int cli_ctemp(struct cli_state *cli, const char *path, char **tmp_path)
{
int len;
char *p;
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
set_message(cli->outbuf,3,0,True);
SCVAL(cli->outbuf,smb_com,SMBctemp);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SSVAL(cli->outbuf,smb_vwv0,0);
SIVALS(cli->outbuf,smb_vwv1,-1);
p = smb_buf(cli->outbuf);
*p++ = 4;
p += clistr_push(cli, p, path, -1, STR_TERMINATE);
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return -1;
}
if (cli_is_error(cli)) {
return -1;
}
/* despite the spec, the result has a -1, followed by
length, followed by name */
p = smb_buf(cli->inbuf);
p += 4;
len = smb_buflen(cli->inbuf) - 4;
if (len <= 0) return -1;
if (tmp_path) {
pstring path2;
clistr_pull(cli, path2, p,
sizeof(path2), len, STR_ASCII);
*tmp_path = SMB_STRDUP(path2);
}
return SVAL(cli->inbuf,smb_vwv0);
}
/*
send a raw ioctl - used by the torture code
*/
NTSTATUS cli_raw_ioctl(struct cli_state *cli, int fnum, uint32 code, DATA_BLOB *blob)
{
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
set_message(cli->outbuf, 3, 0, True);
SCVAL(cli->outbuf,smb_com,SMBioctl);
cli_setup_packet(cli);
SSVAL(cli->outbuf, smb_vwv0, fnum);
SSVAL(cli->outbuf, smb_vwv1, code>>16);
SSVAL(cli->outbuf, smb_vwv2, (code&0xFFFF));
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return NT_STATUS_UNEXPECTED_NETWORK_ERROR;
}
if (cli_is_error(cli)) {
return cli_nt_error(cli);
}
*blob = data_blob(NULL, 0);
return NT_STATUS_OK;
}
/*********************************************************
Set an extended attribute utility fn.
*********************************************************/
static BOOL cli_set_ea(struct cli_state *cli, uint16 setup, char *param, unsigned int param_len,
const char *ea_name, const char *ea_val, size_t ea_len)
{
unsigned int data_len = 0;
char *data = NULL;
char *rparam=NULL, *rdata=NULL;
char *p;
size_t ea_namelen = strlen(ea_name);
if (ea_namelen == 0 && ea_len == 0) {
data_len = 4;
data = (char *)SMB_MALLOC(data_len);
if (!data) {
return False;
}
p = data;
SIVAL(p,0,data_len);
} else {
data_len = 4 + 4 + ea_namelen + 1 + ea_len;
data = (char *)SMB_MALLOC(data_len);
if (!data) {
return False;
}
p = data;
SIVAL(p,0,data_len);
p += 4;
SCVAL(p, 0, 0); /* EA flags. */
SCVAL(p, 1, ea_namelen);
SSVAL(p, 2, ea_len);
memcpy(p+4, ea_name, ea_namelen+1); /* Copy in the name. */
memcpy(p+4+ea_namelen+1, ea_val, ea_len);
}
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 2, /* param, length, max */
data, data_len, cli->max_xmit /* data, length, max */
)) {
return False;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, ¶m_len,
&rdata, &data_len)) {
return False;
}
SAFE_FREE(data);
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return True;
}
/*********************************************************
Set an extended attribute on a pathname.
*********************************************************/
BOOL cli_set_ea_path(struct cli_state *cli, const char *path, const char *ea_name, const char *ea_val, size_t ea_len)
{
uint16 setup = TRANSACT2_SETPATHINFO;
unsigned int param_len = 0;
char param[sizeof(pstring)+6];
size_t srclen = 2*(strlen(path)+1);
char *p;
memset(param, 0, sizeof(param));
SSVAL(param,0,SMB_INFO_SET_EA);
p = ¶m[6];
p += clistr_push(cli, p, path, MIN(srclen, sizeof(param)-6), STR_TERMINATE);
param_len = PTR_DIFF(p, param);
return cli_set_ea(cli, setup, param, param_len, ea_name, ea_val, ea_len);
}
/*********************************************************
Set an extended attribute on an fnum.
*********************************************************/
BOOL cli_set_ea_fnum(struct cli_state *cli, int fnum, const char *ea_name, const char *ea_val, size_t ea_len)
{
char param[6];
uint16 setup = TRANSACT2_SETFILEINFO;
memset(param, 0, 6);
SSVAL(param,0,fnum);
SSVAL(param,2,SMB_INFO_SET_EA);
return cli_set_ea(cli, setup, param, 6, ea_name, ea_val, ea_len);
}
/*********************************************************
Get an extended attribute list tility fn.
*********************************************************/
static BOOL cli_get_ea_list(struct cli_state *cli,
uint16 setup, char *param, unsigned int param_len,
TALLOC_CTX *ctx,
size_t *pnum_eas,
struct ea_struct **pea_list)
{
unsigned int data_len = 0;
unsigned int rparam_len, rdata_len;
char *rparam=NULL, *rdata=NULL;
char *p;
size_t ea_size;
size_t num_eas;
BOOL ret = False;
struct ea_struct *ea_list;
*pnum_eas = 0;
if (pea_list) {
*pea_list = NULL;
}
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* Name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 10, /* param, length, max */
NULL, data_len, cli->max_xmit /* data, length, max */
)) {
return False;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &rparam_len,
&rdata, &rdata_len)) {
return False;
}
if (!rdata || rdata_len < 4) {
goto out;
}
ea_size = (size_t)IVAL(rdata,0);
if (ea_size > rdata_len) {
goto out;
}
if (ea_size == 0) {
/* No EA's present. */
ret = True;
goto out;
}
p = rdata + 4;
ea_size -= 4;
/* Validate the EA list and count it. */
for (num_eas = 0; ea_size >= 4; num_eas++) {
unsigned int ea_namelen = CVAL(p,1);
unsigned int ea_valuelen = SVAL(p,2);
if (ea_namelen == 0) {
goto out;
}
if (4 + ea_namelen + 1 + ea_valuelen > ea_size) {
goto out;
}
ea_size -= 4 + ea_namelen + 1 + ea_valuelen;
p += 4 + ea_namelen + 1 + ea_valuelen;
}
if (num_eas == 0) {
ret = True;
goto out;
}
*pnum_eas = num_eas;
if (!pea_list) {
/* Caller only wants number of EA's. */
ret = True;
goto out;
}
ea_list = TALLOC_ARRAY(ctx, struct ea_struct, num_eas);
if (!ea_list) {
goto out;
}
ea_size = (size_t)IVAL(rdata,0);
p = rdata + 4;
for (num_eas = 0; num_eas < *pnum_eas; num_eas++ ) {
struct ea_struct *ea = &ea_list[num_eas];
fstring unix_ea_name;
unsigned int ea_namelen = CVAL(p,1);
unsigned int ea_valuelen = SVAL(p,2);
ea->flags = CVAL(p,0);
unix_ea_name[0] = '\0';
pull_ascii_fstring(unix_ea_name, p + 4);
ea->name = talloc_strdup(ctx, unix_ea_name);
/* Ensure the value is null terminated (in case it's a string). */
ea->value = data_blob_talloc(ctx, NULL, ea_valuelen + 1);
if (!ea->value.data) {
goto out;
}
if (ea_valuelen) {
memcpy(ea->value.data, p+4+ea_namelen+1, ea_valuelen);
}
ea->value.data[ea_valuelen] = 0;
ea->value.length--;
p += 4 + ea_namelen + 1 + ea_valuelen;
}
*pea_list = ea_list;
ret = True;
out :
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return ret;
}
/*********************************************************
Get an extended attribute list from a pathname.
*********************************************************/
BOOL cli_get_ea_list_path(struct cli_state *cli, const char *path,
TALLOC_CTX *ctx,
size_t *pnum_eas,
struct ea_struct **pea_list)
{
uint16 setup = TRANSACT2_QPATHINFO;
unsigned int param_len = 0;
char param[sizeof(pstring)+6];
char *p;
p = param;
memset(p, 0, 6);
SSVAL(p, 0, SMB_INFO_QUERY_ALL_EAS);
p += 6;
p += clistr_push(cli, p, path, sizeof(pstring)-6, STR_TERMINATE);
param_len = PTR_DIFF(p, param);
return cli_get_ea_list(cli, setup, param, param_len, ctx, pnum_eas, pea_list);
}
/*********************************************************
Get an extended attribute list from an fnum.
*********************************************************/
BOOL cli_get_ea_list_fnum(struct cli_state *cli, int fnum,
TALLOC_CTX *ctx,
size_t *pnum_eas,
struct ea_struct **pea_list)
{
uint16 setup = TRANSACT2_QFILEINFO;
char param[6];
memset(param, 0, 6);
SSVAL(param,0,fnum);
SSVAL(param,2,SMB_INFO_SET_EA);
return cli_get_ea_list(cli, setup, param, 6, ctx, pnum_eas, pea_list);
}
/****************************************************************************
Convert open "flags" arg to uint32 on wire.
****************************************************************************/
static uint32 open_flags_to_wire(int flags)
{
int open_mode = flags & O_ACCMODE;
uint32 ret = 0;
switch (open_mode) {
case O_WRONLY:
ret |= SMB_O_WRONLY;
break;
case O_RDWR:
ret |= SMB_O_RDWR;
break;
default:
case O_RDONLY:
ret |= SMB_O_RDONLY;
break;
}
if (flags & O_CREAT) {
ret |= SMB_O_CREAT;
}
if (flags & O_EXCL) {
ret |= SMB_O_EXCL;
}
if (flags & O_TRUNC) {
ret |= SMB_O_TRUNC;
}
if (flags & O_SYNC) {
ret |= SMB_O_SYNC;
}
if (flags & O_APPEND) {
ret |= SMB_O_APPEND;
}
#if defined(O_DIRECT)
if (flags & O_DIRECT) {
ret |= SMB_O_DIRECT;
}
#endif
#if defined(O_DIRECTORY)
if (flags & O_DIRECTORY) {
ret &= ~(SMB_O_RDONLY|SMB_O_RDWR|SMB_O_WRONLY);
ret |= SMB_O_DIRECTORY;
}
#endif
return ret;
}
/****************************************************************************
Open a file - POSIX semantics. Returns fnum. Doesn't request oplock.
****************************************************************************/
int cli_posix_open(struct cli_state *cli, const char *fname, int flags, mode_t mode)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
uint16 setup = TRANSACT2_SETPATHINFO;
char param[sizeof(pstring)+6];
char data[14];
char *rparam=NULL, *rdata=NULL;
char *p;
int fnum = -1;
memset(param, 0, sizeof(param));
SSVAL(param,0, SMB_POSIX_PATH_OPEN);
p = ¶m[6];
p += clistr_push(cli, p, fname, sizeof(param)-6, STR_TERMINATE);
param_len = PTR_DIFF(p, param);
/* Convert flags to wire_open_mode. */
p = data;
SIVAL(p,0,0); /* No oplock. */
SIVAL(p,4,open_flags_to_wire(flags));
SIVAL(p,8,unix_perms_to_wire(mode));
SSVAL(p,12,SMB_NO_INFO_LEVEL_RETURNED); /* No info level returned. */
data_len = 14;
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 2, /* param, length, max */
(char *)&data, data_len, cli->max_xmit /* data, length, max */
)) {
return -1;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, ¶m_len,
&rdata, &data_len)) {
return -1;
}
fnum = SVAL(rdata,2);
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return fnum;
}
/****************************************************************************
mkdir - POSIX semantics.
****************************************************************************/
int cli_posix_mkdir(struct cli_state *cli, const char *fname, mode_t mode)
{
#if defined(O_DIRECTORY)
return (cli_posix_open(cli, fname, O_CREAT|O_DIRECTORY, mode) == -1) ? -1 : 0;
#else
cli_set_nt_error(cli, NT_STATUS_NOT_IMPLEMENTED);
return -1;
#endif
}
/****************************************************************************
unlink or rmdir - POSIX semantics.
****************************************************************************/
static BOOL cli_posix_unlink_internal(struct cli_state *cli, const char *fname, BOOL is_dir)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
uint16 setup = TRANSACT2_SETPATHINFO;
char param[sizeof(pstring)+6];
char data[2];
char *rparam=NULL, *rdata=NULL;
char *p;
memset(param, 0, sizeof(param));
SSVAL(param,0, SMB_POSIX_PATH_UNLINK);
p = ¶m[6];
p += clistr_push(cli, p, fname, sizeof(param)-6, STR_TERMINATE);
param_len = PTR_DIFF(p, param);
SSVAL(data, 0, is_dir ? SMB_POSIX_UNLINK_DIRECTORY_TARGET :
SMB_POSIX_UNLINK_FILE_TARGET);
data_len = 2;
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 2, /* param, length, max */
(char *)&data, data_len, cli->max_xmit /* data, length, max */
)) {
return False;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, ¶m_len,
&rdata, &data_len)) {
return False;
}
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return True;
}
/****************************************************************************
unlink - POSIX semantics.
****************************************************************************/
BOOL cli_posix_unlink(struct cli_state *cli, const char *fname)
{
return cli_posix_unlink_internal(cli, fname, False);
}
/****************************************************************************
rmdir - POSIX semantics.
****************************************************************************/
int cli_posix_rmdir(struct cli_state *cli, const char *fname)
{
return cli_posix_unlink_internal(cli, fname, True);
}
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