sin/samba-mirror
1
0
Fork 0
mirror of https://github.com/samba-team/samba.git synced 2025-01-25 06:04:04 +03:00
Code
samba-mirror/source3/libsmb/clirap.c
Stefan Metzmacher c2e4746fa9 s3:libsmb: don't reuse the callers stype variable in cli_NetServerEnum() 
When we need to do more than one network operation to get the
browse list we need to use the same 'stype' value each time.

metze
2010-02-04 14:27:12 +01:00

1238 lines
32 KiB
C
Raw Blame History

/*
Unix SMB/CIFS implementation.
client RAP calls
Copyright (C) Andrew Tridgell 1994-1998
Copyright (C) Gerald (Jerry) Carter 2004
Copyright (C) James Peach 2007
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "../libcli/auth/libcli_auth.h"
/****************************************************************************
Call a remote api
****************************************************************************/
bool cli_api(struct cli_state *cli,
char *param, int prcnt, int mprcnt,
char *data, int drcnt, int mdrcnt,
char **rparam, unsigned int *rprcnt,
char **rdata, unsigned int *rdrcnt)
{
cli_send_trans(cli,SMBtrans,
PIPE_LANMAN, /* Name */
0,0, /* fid, flags */
NULL,0,0, /* Setup, length, max */
param, prcnt, mprcnt, /* Params, length, max */
data, drcnt, mdrcnt /* Data, length, max */
);
return (cli_receive_trans(cli,SMBtrans,
rparam, rprcnt,
rdata, rdrcnt));
}
/****************************************************************************
Perform a NetWkstaUserLogon.
****************************************************************************/
bool cli_NetWkstaUserLogon(struct cli_state *cli,char *user, char *workstation)
{
char *rparam = NULL;
char *rdata = NULL;
char *p;
unsigned int rdrcnt,rprcnt;
char param[1024];
memset(param, 0, sizeof(param));
/* send a SMBtrans command with api NetWkstaUserLogon */
p = param;
SSVAL(p,0,132); /* api number */
p += 2;
strlcpy(p,"OOWb54WrLh",sizeof(param)-PTR_DIFF(p,param));
p = skip_string(param,sizeof(param),p);
strlcpy(p,"WB21BWDWWDDDDDDDzzzD",sizeof(param)-PTR_DIFF(p,param));
p = skip_string(param,sizeof(param),p);
SSVAL(p,0,1);
p += 2;
strlcpy(p,user,sizeof(param)-PTR_DIFF(p,param));
strupper_m(p);
p += 21;
p++;
p += 15;
p++;
strlcpy(p, workstation,sizeof(param)-PTR_DIFF(p,param));
strupper_m(p);
p += 16;
SSVAL(p, 0, CLI_BUFFER_SIZE);
p += 2;
SSVAL(p, 0, CLI_BUFFER_SIZE);
p += 2;
if (cli_api(cli,
param, PTR_DIFF(p,param),1024, /* param, length, max */
NULL, 0, CLI_BUFFER_SIZE, /* data, length, max */
&rparam, &rprcnt, /* return params, return size */
&rdata, &rdrcnt /* return data, return size */
)) {
cli->rap_error = rparam? SVAL(rparam,0) : -1;
p = rdata;
if (cli->rap_error == 0) {
DEBUG(4,("NetWkstaUserLogon success\n"));
cli->privileges = SVAL(p, 24);
/* The cli->eff_name field used to be set here
but it wasn't used anywhere else. */
} else {
DEBUG(1,("NetwkstaUserLogon gave error %d\n", cli->rap_error));
}
}
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return (cli->rap_error == 0);
}
/****************************************************************************
Call a NetShareEnum - try and browse available connections on a host.
****************************************************************************/
int cli_RNetShareEnum(struct cli_state *cli, void (*fn)(const char *, uint32, const char *, void *), void *state)
{
char *rparam = NULL;
char *rdata = NULL;
char *p;
unsigned int rdrcnt,rprcnt;
char param[1024];
int count = -1;
/* now send a SMBtrans command with api RNetShareEnum */
p = param;
SSVAL(p,0,0); /* api number */
p += 2;
strlcpy(p,"WrLeh",sizeof(param)-PTR_DIFF(p,param));
p = skip_string(param,sizeof(param),p);
strlcpy(p,"B13BWz",sizeof(param)-PTR_DIFF(p,param));
p = skip_string(param,sizeof(param),p);
SSVAL(p,0,1);
/*
* Win2k needs a *smaller* buffer than 0xFFFF here -
* it returns "out of server memory" with 0xFFFF !!! JRA.
*/
SSVAL(p,2,0xFFE0);
p += 4;
if (cli_api(cli,
param, PTR_DIFF(p,param), 1024, /* Param, length, maxlen */
NULL, 0, 0xFFE0, /* data, length, maxlen - Win2k needs a small buffer here too ! */
&rparam, &rprcnt, /* return params, length */
&rdata, &rdrcnt)) /* return data, length */
{
int res = rparam? SVAL(rparam,0) : -1;
if (res == 0 || res == ERRmoredata) {
int converter=SVAL(rparam,2);
int i;
char *rdata_end = rdata + rdrcnt;
count=SVAL(rparam,4);
p = rdata;
for (i=0;i<count;i++,p+=20) {
char *sname;
int type;
int comment_offset;
const char *cmnt;
const char *p1;
char *s1, *s2;
size_t len;
TALLOC_CTX *frame = talloc_stackframe();
if (p + 20 > rdata_end) {
TALLOC_FREE(frame);
break;
}
sname = p;
type = SVAL(p,14);
comment_offset = (IVAL(p,16) & 0xFFFF) - converter;
if (comment_offset < 0 ||
comment_offset > (int)rdrcnt) {
TALLOC_FREE(frame);
break;
}
cmnt = comment_offset?(rdata+comment_offset):"";
/* Work out the comment length. */
for (p1 = cmnt, len = 0; *p1 &&
p1 < rdata_end; len++)
p1++;
if (!*p1) {
len++;
}
pull_string_talloc(frame,rdata,0,
&s1,sname,14,STR_ASCII);
pull_string_talloc(frame,rdata,0,
&s2,cmnt,len,STR_ASCII);
if (!s1 || !s2) {
TALLOC_FREE(frame);
continue;
}
fn(s1, type, s2, state);
TALLOC_FREE(frame);
}
} else {
DEBUG(4,("NetShareEnum res=%d\n", res));
}
} else {
DEBUG(4,("NetShareEnum failed\n"));
}
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return count;
}
/****************************************************************************
Call a NetServerEnum for the specified workgroup and servertype mask. This
function then calls the specified callback function for each name returned.
The callback function takes 4 arguments: the machine name, the server type,
the comment and a state pointer.
****************************************************************************/
bool cli_NetServerEnum(struct cli_state *cli, char *workgroup, uint32 stype,
void (*fn)(const char *, uint32, const char *, void *),
void *state)
{
char *rparam = NULL;
char *rdata = NULL;
char *rdata_end = NULL;
unsigned int rdrcnt,rprcnt;
char *p;
char param[1024];
int uLevel = 1;
size_t len;
uint32 func = RAP_NetServerEnum2;
char *last_entry = NULL;
int total_cnt = 0;
int return_cnt = 0;
int res;
errno = 0; /* reset */
/*
* This may take more than one transaction, so we should loop until
* we no longer get a more data to process or we have all of the
* items.
*/
do {
/* send a SMBtrans command with api NetServerEnum */
p = param;
SIVAL(p,0,func); /* api number */
p += 2;
/* Next time through we need to use the continue api */
func = RAP_NetServerEnum3;
if (last_entry) {
strlcpy(p,"WrLehDOz", sizeof(param)-PTR_DIFF(p,param));
} else {
strlcpy(p,"WrLehDz", sizeof(param)-PTR_DIFF(p,param));
}
p = skip_string(param, sizeof(param), p);
strlcpy(p,"B16BBDz", sizeof(param)-PTR_DIFF(p,param));
p = skip_string(param, sizeof(param), p);
SSVAL(p,0,uLevel);
SSVAL(p,2,CLI_BUFFER_SIZE);
p += 4;
SIVAL(p,0,stype);
p += 4;
/* If we have more data, tell the server where
* to continue from.
*/
len = push_ascii(p,
last_entry ? last_entry : workgroup,
sizeof(param) - PTR_DIFF(p,param) - 1,
STR_TERMINATE|STR_UPPER);
if (len == (size_t)-1) {
SAFE_FREE(last_entry);
return false;
}
p += len;
if (!cli_api(cli,
param, PTR_DIFF(p,param), 8, /* params, length, max */
NULL, 0, CLI_BUFFER_SIZE, /* data, length, max */
&rparam, &rprcnt, /* return params, return size */
&rdata, &rdrcnt)) { /* return data, return size */
/* break out of the loop on error */
res = -1;
break;
}
rdata_end = rdata + rdrcnt;
res = rparam ? SVAL(rparam,0) : -1;
if (res == 0 || res == ERRmoredata ||
(res != -1 && cli_errno(cli) == 0)) {
char *sname = NULL;
int i, count;
int converter=SVAL(rparam,2);
/* Get the number of items returned in this buffer */
count = SVAL(rparam, 4);
/* The next field contains the number of items left,
* including those returned in this buffer. So the
* first time through this should contain all of the
* entries.
*/
if (total_cnt == 0) {
total_cnt = SVAL(rparam, 6);
}
/* Keep track of how many we have read */
return_cnt += count;
p = rdata;
/* The last name in the previous NetServerEnum reply is
* sent back to server in the NetServerEnum3 request
* (last_entry). The next reply should repeat this entry
* as the first element. We have no proof that this is
* always true, but from traces that seems to be the
* behavior from Window Servers. So first lets do a lot
* of checking, just being paranoid. If the string
* matches then we already saw this entry so skip it.
*
* NOTE: sv1_name field must be null terminated and has
* a max size of 16 (NetBIOS Name).
*/
if (last_entry && count && p &&
(strncmp(last_entry, p, 16) == 0)) {
count -= 1; /* Skip this entry */
return_cnt = -1; /* Not part of total, so don't count. */
p = rdata + 26; /* Skip the whole record */
}
for (i = 0; i < count; i++, p += 26) {
int comment_offset;
const char *cmnt;
const char *p1;
char *s1, *s2;
TALLOC_CTX *frame = talloc_stackframe();
uint32_t entry_stype;
if (p + 26 > rdata_end) {
TALLOC_FREE(frame);
break;
}
sname = p;
comment_offset = (IVAL(p,22) & 0xFFFF)-converter;
cmnt = comment_offset?(rdata+comment_offset):"";
if (comment_offset < 0 || comment_offset > (int)rdrcnt) {
TALLOC_FREE(frame);
continue;
}
/* Work out the comment length. */
for (p1 = cmnt, len = 0; *p1 &&
p1 < rdata_end; len++)
p1++;
if (!*p1) {
len++;
}
entry_stype = IVAL(p,18) & ~SV_TYPE_LOCAL_LIST_ONLY;
pull_string_talloc(frame,rdata,0,
&s1,sname,16,STR_ASCII);
pull_string_talloc(frame,rdata,0,
&s2,cmnt,len,STR_ASCII);
if (!s1 || !s2) {
TALLOC_FREE(frame);
continue;
}
fn(s1, entry_stype, s2, state);
TALLOC_FREE(frame);
}
/* We are done with the old last entry, so now we can free it */
if (last_entry) {
SAFE_FREE(last_entry); /* This will set it to null */
}
/* We always make a copy of the last entry if we have one */
if (sname) {
last_entry = smb_xstrdup(sname);
}
/* If we have more data, but no last entry then error out */
if (!last_entry && (res == ERRmoredata)) {
errno = EINVAL;
res = 0;
}
}
SAFE_FREE(rparam);
SAFE_FREE(rdata);
} while ((res == ERRmoredata) && (total_cnt > return_cnt));
SAFE_FREE(rparam);
SAFE_FREE(rdata);
SAFE_FREE(last_entry);
if (res == -1) {
errno = cli_errno(cli);
} else {
if (!return_cnt) {
/* this is a very special case, when the domain master for the
work group isn't part of the work group itself, there is something
wild going on */
errno = ENOENT;
}
}
return(return_cnt > 0);
}
/****************************************************************************
Send a SamOEMChangePassword command.
****************************************************************************/
bool cli_oem_change_password(struct cli_state *cli, const char *user, const char *new_password,
const char *old_password)
{
char param[1024];
unsigned char data[532];
char *p = param;
unsigned char old_pw_hash[16];
unsigned char new_pw_hash[16];
unsigned int data_len;
unsigned int param_len = 0;
char *rparam = NULL;
char *rdata = NULL;
unsigned int rprcnt, rdrcnt;
if (strlen(user) >= sizeof(fstring)-1) {
DEBUG(0,("cli_oem_change_password: user name %s is too long.\n", user));
return False;
}
SSVAL(p,0,214); /* SamOEMChangePassword command. */
p += 2;
strlcpy(p, "zsT", sizeof(param)-PTR_DIFF(p,param));
p = skip_string(param,sizeof(param),p);
strlcpy(p, "B516B16", sizeof(param)-PTR_DIFF(p,param));
p = skip_string(param,sizeof(param),p);
strlcpy(p,user, sizeof(param)-PTR_DIFF(p,param));
p = skip_string(param,sizeof(param),p);
SSVAL(p,0,532);
p += 2;
param_len = PTR_DIFF(p,param);
/*
* Get the Lanman hash of the old password, we
* use this as the key to make_oem_passwd_hash().
*/
E_deshash(old_password, old_pw_hash);
encode_pw_buffer(data, new_password, STR_ASCII);
#ifdef DEBUG_PASSWORD
DEBUG(100,("make_oem_passwd_hash\n"));
dump_data(100, data, 516);
#endif
arcfour_crypt( (unsigned char *)data, (unsigned char *)old_pw_hash, 516);
/*
* Now place the old password hash in the data.
*/
E_deshash(new_password, new_pw_hash);
E_old_pw_hash( new_pw_hash, old_pw_hash, (uchar *)&data[516]);
data_len = 532;
if (cli_send_trans(cli,SMBtrans,
PIPE_LANMAN, /* name */
0,0, /* fid, flags */
NULL,0,0, /* setup, length, max */
param,param_len,2, /* param, length, max */
(char *)data,data_len,0 /* data, length, max */
) == False) {
DEBUG(0,("cli_oem_change_password: Failed to send password change for user %s\n",
user ));
return False;
}
if (!cli_receive_trans(cli,SMBtrans,
&rparam, &rprcnt,
&rdata, &rdrcnt)) {
DEBUG(0,("cli_oem_change_password: Failed to recieve reply to password change for user %s\n",
user ));
return False;
}
if (rparam) {
cli->rap_error = SVAL(rparam,0);
}
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return (cli->rap_error == 0);
}
/****************************************************************************
Send a qpathinfo call.
****************************************************************************/
bool cli_qpathinfo(struct cli_state *cli,
const char *fname,
time_t *change_time,
time_t *access_time,
time_t *write_time,
SMB_OFF_T *size,
uint16 *mode)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
unsigned int rparam_len, rdata_len;
uint16 setup = TRANSACT2_QPATHINFO;
char *param;
char *rparam=NULL, *rdata=NULL;
int count=8;
bool ret;
time_t (*date_fn)(struct cli_state *, const void *);
char *p;
size_t nlen = 2*(strlen(fname)+1);
param = SMB_MALLOC_ARRAY(char, 6+nlen+2);
if (!param) {
return false;
}
p = param;
memset(p, '\0', 6);
SSVAL(p, 0, SMB_INFO_STANDARD);
p += 6;
p += clistr_push(cli, p, fname, nlen, STR_TERMINATE);
param_len = PTR_DIFF(p, param);
do {
ret = (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 */
) &&
cli_receive_trans(cli, SMBtrans2,
&rparam, &rparam_len,
&rdata, &rdata_len));
if (!cli_is_dos_error(cli)) break;
if (!ret) {
/* we need to work around a Win95 bug - sometimes
it gives ERRSRV/ERRerror temprarily */
uint8 eclass;
uint32 ecode;
cli_dos_error(cli, &eclass, &ecode);
if (eclass != ERRSRV || ecode != ERRerror) break;
smb_msleep(100);
}
} while (count-- && ret==False);
SAFE_FREE(param);
if (!ret || !rdata || rdata_len < 22) {
return False;
}
if (cli->win95) {
date_fn = cli_make_unix_date;
} else {
date_fn = cli_make_unix_date2;
}
if (change_time) {
*change_time = date_fn(cli, rdata+0);
}
if (access_time) {
*access_time = date_fn(cli, rdata+4);
}
if (write_time) {
*write_time = date_fn(cli, rdata+8);
}
if (size) {
*size = IVAL(rdata, 12);
}
if (mode) {
*mode = SVAL(rdata,l1_attrFile);
}
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return True;
}
/****************************************************************************
Send a setpathinfo call.
****************************************************************************/
bool cli_setpathinfo(struct cli_state *cli, const char *fname,
time_t create_time,
time_t access_time,
time_t write_time,
time_t change_time,
uint16 mode)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
unsigned int rparam_len, rdata_len;
uint16 setup = TRANSACT2_SETPATHINFO;
char *param;
char data[40];
char *rparam=NULL, *rdata=NULL;
int count=8;
bool ret;
char *p;
size_t nlen = 2*(strlen(fname)+1);
param = SMB_MALLOC_ARRAY(char, 6+nlen+2);
if (!param) {
return false;
}
memset(param, '\0', 6);
memset(data, 0, sizeof(data));
p = param;
/* Add the information level */
SSVAL(p, 0, SMB_FILE_BASIC_INFORMATION);
/* Skip reserved */
p += 6;
/* Add the file name */
p += clistr_push(cli, p, fname, nlen, STR_TERMINATE);
param_len = PTR_DIFF(p, param);
p = data;
/*
* Add the create, last access, modification, and status change times
*/
put_long_date(p, create_time);
p += 8;
put_long_date(p, access_time);
p += 8;
put_long_date(p, write_time);
p += 8;
put_long_date(p, change_time);
p += 8;
/* Add attributes */
SIVAL(p, 0, mode);
p += 4;
/* Add padding */
SIVAL(p, 0, 0);
p += 4;
data_len = PTR_DIFF(p, data);
do {
ret = (cli_send_trans(cli, SMBtrans2,
NULL, /* Name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 10, /* param, length, max */
data, data_len, cli->max_xmit /* data, length, max */
) &&
cli_receive_trans(cli, SMBtrans2,
&rparam, &rparam_len,
&rdata, &rdata_len));
if (!cli_is_dos_error(cli)) break;
if (!ret) {
/* we need to work around a Win95 bug - sometimes
it gives ERRSRV/ERRerror temprarily */
uint8 eclass;
uint32 ecode;
cli_dos_error(cli, &eclass, &ecode);
if (eclass != ERRSRV || ecode != ERRerror) break;
smb_msleep(100);
}
} while (count-- && ret==False);
SAFE_FREE(param);
if (!ret) {
return False;
}
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return True;
}
/****************************************************************************
Send a qpathinfo call with the SMB_QUERY_FILE_ALL_INFO info level.
****************************************************************************/
bool cli_qpathinfo2(struct cli_state *cli, const char *fname,
struct timespec *create_time,
struct timespec *access_time,
struct timespec *write_time,
struct timespec *change_time,
SMB_OFF_T *size, uint16 *mode,
SMB_INO_T *ino)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
uint16 setup = TRANSACT2_QPATHINFO;
char *param;
char *rparam=NULL, *rdata=NULL;
char *p;
size_t nlen = 2*(strlen(fname)+1);
param = SMB_MALLOC_ARRAY(char, 6+nlen+2);
if (!param) {
return false;
}
p = param;
memset(param, '\0', 6);
SSVAL(p, 0, SMB_QUERY_FILE_ALL_INFO);
p += 6;
p += clistr_push(cli, p, fname, nlen, 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, 10, /* param, length, max */
NULL, data_len, cli->max_xmit /* data, length, max */
)) {
SAFE_FREE(param);
return False;
}
SAFE_FREE(param);
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &param_len,
&rdata, &data_len)) {
return False;
}
if (!rdata || data_len < 22) {
return False;
}
if (create_time) {
*create_time = interpret_long_date(rdata+0);
}
if (access_time) {
*access_time = interpret_long_date(rdata+8);
}
if (write_time) {
*write_time = interpret_long_date(rdata+16);
}
if (change_time) {
*change_time = interpret_long_date(rdata+24);
}
if (mode) {
*mode = SVAL(rdata, 32);
}
if (size) {
*size = IVAL2_TO_SMB_BIG_UINT(rdata,48);
}
if (ino) {
*ino = IVAL(rdata, 64);
}
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return True;
}
/****************************************************************************
Get the stream info
****************************************************************************/
bool cli_qpathinfo_streams(struct cli_state *cli, const char *fname,
TALLOC_CTX *mem_ctx,
unsigned int *pnum_streams,
struct stream_struct **pstreams)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
uint16 setup = TRANSACT2_QPATHINFO;
char *param;
char *rparam=NULL, *rdata=NULL;
char *p;
unsigned int num_streams;
struct stream_struct *streams;
unsigned int ofs;
size_t namelen = 2*(strlen(fname)+1);
param = SMB_MALLOC_ARRAY(char, 6+namelen+2);
if (param == NULL) {
return false;
}
p = param;
memset(p, 0, 6);
SSVAL(p, 0, SMB_FILE_STREAM_INFORMATION);
p += 6;
p += clistr_push(cli, p, fname, namelen, STR_TERMINATE);
param_len = PTR_DIFF(p, param);
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, len, max */
param, param_len, 10, /* param, len, max */
NULL, data_len, cli->max_xmit /* data, len, max */
)) {
return false;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &param_len,
&rdata, &data_len)) {
return false;
}
if (!rdata) {
SAFE_FREE(rparam);
return false;
}
num_streams = 0;
streams = NULL;
ofs = 0;
while ((data_len > ofs) && (data_len - ofs >= 24)) {
uint32_t nlen, len;
size_t size;
void *vstr;
struct stream_struct *tmp;
uint8_t *tmp_buf;
tmp = TALLOC_REALLOC_ARRAY(mem_ctx, streams,
struct stream_struct,
num_streams+1);
if (tmp == NULL) {
goto fail;
}
streams = tmp;
nlen = IVAL(rdata, ofs + 0x04);
streams[num_streams].size = IVAL_TO_SMB_OFF_T(
rdata, ofs + 0x08);
streams[num_streams].alloc_size = IVAL_TO_SMB_OFF_T(
rdata, ofs + 0x10);
if (nlen > data_len - (ofs + 24)) {
goto fail;
}
/*
* We need to null-terminate src, how do I do this with
* convert_string_talloc??
*/
tmp_buf = TALLOC_ARRAY(streams, uint8_t, nlen+2);
if (tmp_buf == NULL) {
goto fail;
}
memcpy(tmp_buf, rdata+ofs+24, nlen);
tmp_buf[nlen] = 0;
tmp_buf[nlen+1] = 0;
if (!convert_string_talloc(streams, CH_UTF16, CH_UNIX, tmp_buf,
nlen+2, &vstr, &size, false))
{
TALLOC_FREE(tmp_buf);
goto fail;
}
TALLOC_FREE(tmp_buf);
streams[num_streams].name = (char *)vstr;
num_streams++;
len = IVAL(rdata, ofs);
if (len > data_len - ofs) {
goto fail;
}
if (len == 0) break;
ofs += len;
}
SAFE_FREE(rdata);
SAFE_FREE(rparam);
*pnum_streams = num_streams;
*pstreams = streams;
return true;
fail:
TALLOC_FREE(streams);
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return false;
}
/****************************************************************************
Send a qfileinfo QUERY_FILE_NAME_INFO call.
****************************************************************************/
bool cli_qfilename(struct cli_state *cli, uint16_t fnum, char *name, size_t namelen)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
uint16 setup = TRANSACT2_QFILEINFO;
char param[4];
char *rparam=NULL, *rdata=NULL;
param_len = 4;
SSVAL(param, 0, fnum);
SSVAL(param, 2, SMB_QUERY_FILE_NAME_INFO);
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, data_len, cli->max_xmit /* data, length, max */
)) {
return False;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &param_len,
&rdata, &data_len)) {
return False;
}
if (!rdata || data_len < 4) {
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return False;
}
clistr_pull(cli->inbuf, name, rdata+4, namelen, IVAL(rdata, 0),
STR_UNICODE);
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return True;
}
/****************************************************************************
Send a qfileinfo call.
****************************************************************************/
bool cli_qfileinfo(struct cli_state *cli, uint16_t fnum,
uint16 *mode, SMB_OFF_T *size,
struct timespec *create_time,
struct timespec *access_time,
struct timespec *write_time,
struct timespec *change_time,
SMB_INO_T *ino)
{
uint32_t data_len = 0;
uint16 setup;
uint8_t param[4];
uint8_t *rdata=NULL;
NTSTATUS status;
/* if its a win95 server then fail this - win95 totally screws it
up */
if (cli->win95) return False;
SSVAL(param, 0, fnum);
SSVAL(param, 2, SMB_QUERY_FILE_ALL_INFO);
SSVAL(&setup, 0, TRANSACT2_QFILEINFO);
status = cli_trans(talloc_tos(), cli, SMBtrans2,
NULL, -1, 0, 0, /* name, fid, function, flags */
&setup, 1, 0, /* setup, length, max */
param, 4, 2, /* param, length, max */
NULL, 0, MIN(cli->max_xmit, 0xffff), /* data, length, max */
NULL, 0, NULL, /* rsetup, length */
NULL, 0, NULL, /* rparam, length */
&rdata, 68, &data_len);
if (!NT_STATUS_IS_OK(status)) {
return false;
}
if (create_time) {
*create_time = interpret_long_date((char *)rdata+0);
}
if (access_time) {
*access_time = interpret_long_date((char *)rdata+8);
}
if (write_time) {
*write_time = interpret_long_date((char *)rdata+16);
}
if (change_time) {
*change_time = interpret_long_date((char *)rdata+24);
}
if (mode) {
*mode = SVAL(rdata, 32);
}
if (size) {
*size = IVAL2_TO_SMB_BIG_UINT(rdata,48);
}
if (ino) {
*ino = IVAL(rdata, 64);
}
TALLOC_FREE(rdata);
return True;
}
/****************************************************************************
Send a qpathinfo BASIC_INFO call.
****************************************************************************/
bool cli_qpathinfo_basic( struct cli_state *cli, const char *name,
SMB_STRUCT_STAT *sbuf, uint32 *attributes )
{
unsigned int param_len = 0;
unsigned int data_len = 0;
uint16 setup = TRANSACT2_QPATHINFO;
char *param;
char *rparam=NULL, *rdata=NULL;
char *p;
char *path;
int len;
size_t nlen;
TALLOC_CTX *frame = talloc_stackframe();
path = talloc_strdup(frame, name);
if (!path) {
TALLOC_FREE(frame);
return false;
}
/* cleanup */
len = strlen(path);
if ( path[len-1] == '\\' || path[len-1] == '/') {
path[len-1] = '\0';
}
nlen = 2*(strlen(path)+1);
param = TALLOC_ARRAY(frame,char,6+nlen+2);
if (!param) {
return false;
}
p = param;
memset(param, '\0', 6);
SSVAL(p, 0, SMB_QUERY_FILE_BASIC_INFO);
p += 6;
p += clistr_push(cli, p, path, nlen, 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 */
)) {
TALLOC_FREE(frame);
return False;
}
TALLOC_FREE(frame);
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &param_len,
&rdata, &data_len)) {
return False;
}
if (data_len < 36) {
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return False;
}
sbuf->st_ex_atime = interpret_long_date( rdata+8 ); /* Access time. */
sbuf->st_ex_mtime = interpret_long_date( rdata+16 ); /* Write time. */
sbuf->st_ex_ctime = interpret_long_date( rdata+24 ); /* Change time. */
*attributes = IVAL( rdata, 32 );
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return True;
}
/****************************************************************************
Send a qfileinfo call.
****************************************************************************/
bool cli_qfileinfo_test(struct cli_state *cli, uint16_t fnum, int level, char **poutdata, uint32 *poutlen)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
uint16 setup = TRANSACT2_QFILEINFO;
char param[4];
char *rparam=NULL, *rdata=NULL;
*poutdata = NULL;
*poutlen = 0;
/* if its a win95 server then fail this - win95 totally screws it
up */
if (cli->win95)
return False;
param_len = 4;
SSVAL(param, 0, fnum);
SSVAL(param, 2, level);
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, data_len, cli->max_xmit /* data, length, max */
)) {
return False;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &param_len,
&rdata, &data_len)) {
return False;
}
*poutdata = (char *)memdup(rdata, data_len);
if (!*poutdata) {
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return False;
}
*poutlen = data_len;
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return True;
}
/****************************************************************************
Send a qpathinfo SMB_QUERY_FILE_ALT_NAME_INFO call.
****************************************************************************/
NTSTATUS cli_qpathinfo_alt_name(struct cli_state *cli, const char *fname, fstring alt_name)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
uint16 setup = TRANSACT2_QPATHINFO;
char *param;
char *rparam=NULL, *rdata=NULL;
int count=8;
char *p;
bool ret;
unsigned int len;
size_t nlen = 2*(strlen(fname)+1);
param = SMB_MALLOC_ARRAY(char, 6+nlen+2);
if (!param) {
return NT_STATUS_NO_MEMORY;
}
p = param;
memset(param, '\0', 6);
SSVAL(p, 0, SMB_QUERY_FILE_ALT_NAME_INFO);
p += 6;
p += clistr_push(cli, p, fname, nlen, STR_TERMINATE);
param_len = PTR_DIFF(p, param);
do {
ret = (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 */
) &&
cli_receive_trans(cli, SMBtrans2,
&rparam, &param_len,
&rdata, &data_len));
if (!ret && cli_is_dos_error(cli)) {
/* we need to work around a Win95 bug - sometimes
it gives ERRSRV/ERRerror temprarily */
uint8 eclass;
uint32 ecode;
cli_dos_error(cli, &eclass, &ecode);
if (eclass != ERRSRV || ecode != ERRerror) break;
smb_msleep(100);
}
} while (count-- && ret==False);
SAFE_FREE(param);
if (!ret || !rdata || data_len < 4) {
return NT_STATUS_UNSUCCESSFUL;
}
len = IVAL(rdata, 0);
if (len > data_len - 4) {
return NT_STATUS_INVALID_NETWORK_RESPONSE;
}
clistr_pull(cli->inbuf, alt_name, rdata+4, sizeof(fstring), len,
STR_UNICODE);
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return NT_STATUS_OK;
}
View Git Blame Copy Permalink