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now that we have no global arrays we can start to split up the monster

Browse Source 
server.c without breaking things.

this splits off netprot.c and fileio.c for negprot and read/write/seek
handling respectively.
This commit is contained in:
Andrew Tridgell 0001-01-01 00:00:00 +00:00
parent 1eb9ae2996
commit b3d7014643
6 changed files with 553 additions and 495 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
source/Makefile.in
View File

@ -122,8 +122,8 @@ PASSDB_OBJ = passdb/passdb.o passdb/smbpassfile.o passdb/smbpass.o \
passdb/pass_check.o passdb/ldap.o passdb/nispass.o
SMBD_OBJ1 = smbd/server.o smbd/files.o smbd/chgpasswd.o smbd/connection.o \
smbd/dfree.o smbd/dir.o smbd/password.o smbd/conn.o \
smbd/groupname.o smbd/ipc.o smbd/mangle.o \
smbd/dfree.o smbd/dir.o smbd/password.o smbd/conn.o smbd/fileio.o \
smbd/groupname.o smbd/ipc.o smbd/mangle.o smbd/negprot.o \
smbd/message.o smbd/nttrans.o smbd/pipes.o smbd/predict.o \
smbd/quotas.o smbd/reply.o smbd/ssl.o smbd/trans2.o smbd/uid.o

20
source/include/proto.h
View File

@ -1960,6 +1960,12 @@ void DirCacheAdd( char *path, char *name, char *dname, int snum );
char *DirCacheCheck( char *path, char *name, int snum );
void DirCacheFlush(int snum);
/*The following definitions come from smbd/fileio.c */
int seek_file(files_struct *fsp,uint32 pos);
int read_file(files_struct *fsp,char *data,uint32 pos,int n);
int write_file(files_struct *fsp,char *data,int n);
/*The following definitions come from smbd/files.c */
files_struct *file_new(void );
@ -2005,6 +2011,12 @@ int reply_sendtxt(connection_struct *conn,
int reply_sendend(connection_struct *conn,
char *inbuf,char *outbuf, int dum_size, int dum_buffsize);
/*The following definitions come from smbd/negprot.c */
int reply_negprot(connection_struct *conn,
char *inbuf,char *outbuf, int dum_size,
int dum_buffsize);
/*The following definitions come from smbd/nttrans.c */
int reply_ntcreate_and_X(connection_struct *conn,
@ -2159,9 +2171,6 @@ int check_share_mode( share_mode_entry *share, int deny_mode, char *fname,
BOOL fcbopen, int *flags);
void open_file_shared(files_struct *fsp,connection_struct *conn,char *fname,int share_mode,int ofun,
int mode,int oplock_request, int *Access,int *action);
int seek_file(files_struct *fsp,uint32 pos);
int read_file(files_struct *fsp,char *data,uint32 pos,int n);
int write_file(files_struct *fsp,char *data,int n);
BOOL become_service(connection_struct *conn,BOOL do_chdir);
int find_service(char *service);
int cached_error_packet(char *inbuf,char *outbuf,files_struct *fsp,int line);
@ -2174,11 +2183,6 @@ BOOL receive_next_smb(int smbfd, int oplockfd, char *inbuf, int bufsize, int tim
BOOL reload_services(BOOL test);
connection_struct *make_connection(char *service,char *user,char *password, int pwlen, char *dev,uint16 vuid, int *ecode);
BOOL attempt_close_oplocked_file(files_struct *fsp);
int reply_corep(char *outbuf);
int reply_coreplus(char *outbuf);
int reply_lanman1(char *outbuf);
int reply_lanman2(char *outbuf);
int reply_nt1(char *outbuf);
void close_cnum(connection_struct *conn, uint16 vuid);
void exit_server(char *reason);
char *smb_fn_name(int type);

7
source/include/smb.h
View File

@ -200,6 +200,13 @@ implemented */
#define aDIR (1L<<4)
#define aARCH (1L<<5)
/* for readability... */
#define IS_DOS_READONLY(test_mode) (((test_mode) & aRONLY) != 0)
#define IS_DOS_DIR(test_mode) (((test_mode) & aDIR) != 0)
#define IS_DOS_ARCHIVE(test_mode) (((test_mode) & aARCH) != 0)
#define IS_DOS_SYSTEM(test_mode) (((test_mode) & aSYSTEM) != 0)
#define IS_DOS_HIDDEN(test_mode) (((test_mode) & aHIDDEN) != 0)
/* deny modes */
#define DENY_DOS 0
#define DENY_ALL 1

117
source/smbd/fileio.c Normal file
View File

@ -0,0 +1,117 @@
/*
Unix SMB/Netbios implementation.
Version 1.9.
read/write to a files_struct
Copyright (C) Andrew Tridgell 1992-1998
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"
extern int DEBUGLEVEL;
/****************************************************************************
seek a file. Try to avoid the seek if possible
****************************************************************************/
int seek_file(files_struct *fsp,uint32 pos)
{
uint32 offset = 0;
if (fsp->print_file && lp_postscript(fsp->conn->service))
offset = 3;
fsp->pos = (int)(lseek(fsp->fd_ptr->fd,pos+offset,SEEK_SET) - offset);
return(fsp->pos);
}
/****************************************************************************
read from a file
****************************************************************************/
int read_file(files_struct *fsp,char *data,uint32 pos,int n)
{
int ret=0,readret;
#if USE_READ_PREDICTION
if (!fsp->can_write)
{
ret = read_predict(fsp->fd_ptr->fd,pos,data,NULL,n);
data += ret;
n -= ret;
pos += ret;
}
#endif
#if WITH_MMAP
if (fsp->mmap_ptr)
{
int num = (fsp->mmap_size > pos) ? (fsp->mmap_size - pos) : -1;
num = MIN(n,num);
if (num > 0)
{
memcpy(data,fsp->mmap_ptr+pos,num);
data += num;
pos += num;
n -= num;
ret += num;
}
}
#endif
if (n <= 0)
return(ret);
if (seek_file(fsp,pos) != pos)
{
DEBUG(3,("Failed to seek to %d\n",pos));
return(ret);
}
if (n > 0) {
readret = read(fsp->fd_ptr->fd,data,n);
if (readret > 0) ret += readret;
}
return(ret);
}
/****************************************************************************
write to a file
****************************************************************************/
int write_file(files_struct *fsp,char *data,int n)
{
if (!fsp->can_write) {
errno = EPERM;
return(0);
}
if (!fsp->modified) {
struct stat st;
fsp->modified = True;
if (fstat(fsp->fd_ptr->fd,&st) == 0) {
int dosmode = dos_mode(fsp->conn,fsp->fsp_name,&st);
if (MAP_ARCHIVE(fsp->conn) && !IS_DOS_ARCHIVE(dosmode)) {
dos_chmod(fsp->conn,fsp->fsp_name,dosmode | aARCH,&st);
}
}
}
return(write_data(fsp->fd_ptr->fd,data,n));
}

415
source/smbd/negprot.c Normal file
View File

@ -0,0 +1,415 @@
/*
Unix SMB/Netbios implementation.
Version 1.9.
negprot reply code
Copyright (C) Andrew Tridgell 1992-1998
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"
extern int DEBUGLEVEL;
extern int Protocol;
extern int max_recv;
extern fstring global_myworkgroup;
extern fstring remote_machine;
extern pstring myhostname;
/****************************************************************************
reply for the core protocol
****************************************************************************/
static int reply_corep(char *outbuf)
{
int outsize = set_message(outbuf,1,0,True);
Protocol = PROTOCOL_CORE;
return outsize;
}
/****************************************************************************
reply for the coreplus protocol
****************************************************************************/
static int reply_coreplus(char *outbuf)
{
int raw = (lp_readraw()?1:0) | (lp_writeraw()?2:0);
int outsize = set_message(outbuf,13,0,True);
SSVAL(outbuf,smb_vwv5,raw); /* tell redirector we support
readbraw and writebraw (possibly) */
CVAL(outbuf,smb_flg) = 0x81; /* Reply, SMBlockread, SMBwritelock supported */
SSVAL(outbuf,smb_vwv1,0x1); /* user level security, don't encrypt */
Protocol = PROTOCOL_COREPLUS;
return outsize;
}
/****************************************************************************
reply for the lanman 1.0 protocol
****************************************************************************/
static int reply_lanman1(char *outbuf)
{
int raw = (lp_readraw()?1:0) | (lp_writeraw()?2:0);
int secword=0;
BOOL doencrypt = SMBENCRYPT();
time_t t = time(NULL);
if (lp_security()>=SEC_USER) secword |= 1;
if (doencrypt) secword |= 2;
set_message(outbuf,13,doencrypt?8:0,True);
SSVAL(outbuf,smb_vwv1,secword);
/* Create a token value and add it to the outgoing packet. */
if (doencrypt)
generate_next_challenge(smb_buf(outbuf));
Protocol = PROTOCOL_LANMAN1;
CVAL(outbuf,smb_flg) = 0x81; /* Reply, SMBlockread, SMBwritelock supported */
SSVAL(outbuf,smb_vwv2,max_recv);
SSVAL(outbuf,smb_vwv3,lp_maxmux()); /* maxmux */
SSVAL(outbuf,smb_vwv4,1);
SSVAL(outbuf,smb_vwv5,raw); /* tell redirector we support
readbraw writebraw (possibly) */
SIVAL(outbuf,smb_vwv6,getpid());
SSVAL(outbuf,smb_vwv10, TimeDiff(t)/60);
put_dos_date(outbuf,smb_vwv8,t);
return (smb_len(outbuf)+4);
}
/****************************************************************************
reply for the lanman 2.0 protocol
****************************************************************************/
static int reply_lanman2(char *outbuf)
{
int raw = (lp_readraw()?1:0) | (lp_writeraw()?2:0);
int secword=0;
BOOL doencrypt = SMBENCRYPT();
time_t t = time(NULL);
struct cli_state *cli = NULL;
char cryptkey[8];
char crypt_len = 0;
if (lp_security() == SEC_SERVER) {
cli = server_cryptkey();
}
if (cli) {
DEBUG(3,("using password server validation\n"));
doencrypt = ((cli->sec_mode & 2) != 0);
}
if (lp_security()>=SEC_USER) secword |= 1;
if (doencrypt) secword |= 2;
if (doencrypt) {
crypt_len = 8;
if (!cli) {
generate_next_challenge(cryptkey);
} else {
memcpy(cryptkey, cli->cryptkey, 8);
set_challenge(cli->cryptkey);
}
}
set_message(outbuf,13,crypt_len,True);
SSVAL(outbuf,smb_vwv1,secword);
SIVAL(outbuf,smb_vwv6,getpid());
if (doencrypt)
memcpy(smb_buf(outbuf), cryptkey, 8);
Protocol = PROTOCOL_LANMAN2;
CVAL(outbuf,smb_flg) = 0x81; /* Reply, SMBlockread, SMBwritelock supported */
SSVAL(outbuf,smb_vwv2,max_recv);
SSVAL(outbuf,smb_vwv3,lp_maxmux());
SSVAL(outbuf,smb_vwv4,1);
SSVAL(outbuf,smb_vwv5,raw); /* readbraw and/or writebraw */
SSVAL(outbuf,smb_vwv10, TimeDiff(t)/60);
put_dos_date(outbuf,smb_vwv8,t);
return (smb_len(outbuf)+4);
}
/****************************************************************************
reply for the nt protocol
****************************************************************************/
static int reply_nt1(char *outbuf)
{
/* dual names + lock_and_read + nt SMBs + remote API calls */
int capabilities = CAP_NT_FIND|CAP_LOCK_AND_READ|CAP_RPC_REMOTE_APIS |CAP_NT_SMBS;
/*
other valid capabilities which we may support at some time...
CAP_LARGE_FILES|
CAP_LARGE_READX|CAP_STATUS32|CAP_LEVEL_II_OPLOCKS;
*/
int secword=0;
BOOL doencrypt = SMBENCRYPT();
time_t t = time(NULL);
int data_len;
struct cli_state *cli = NULL;
char cryptkey[8];
char crypt_len = 0;
if (lp_security() == SEC_SERVER) {
cli = server_cryptkey();
}
if (cli) {
DEBUG(3,("using password server validation\n"));
doencrypt = ((cli->sec_mode & 2) != 0);
}
if (doencrypt) {
crypt_len = 8;
if (!cli) {
generate_next_challenge(cryptkey);
} else {
memcpy(cryptkey, cli->cryptkey, 8);
set_challenge(cli->cryptkey);
}
}
if (lp_readraw() && lp_writeraw()) {
capabilities |= CAP_RAW_MODE;
}
if (lp_security() >= SEC_USER) secword |= 1;
if (doencrypt) secword |= 2;
/* decide where (if) to put the encryption challenge, and
follow it with the OEM'd domain name
*/
data_len = crypt_len + strlen(global_myworkgroup) + 1;
set_message(outbuf,17,data_len,True);
pstrcpy(smb_buf(outbuf)+crypt_len, global_myworkgroup);
CVAL(outbuf,smb_vwv1) = secword;
SSVALS(outbuf,smb_vwv16+1,crypt_len);
if (doencrypt)
memcpy(smb_buf(outbuf), cryptkey, 8);
Protocol = PROTOCOL_NT1;
SSVAL(outbuf,smb_vwv1+1,lp_maxmux()); /* maxmpx */
SSVAL(outbuf,smb_vwv2+1,1); /* num vcs */
SIVAL(outbuf,smb_vwv3+1,0xffff); /* max buffer. LOTS! */
SIVAL(outbuf,smb_vwv5+1,0x10000); /* raw size. full 64k */
SIVAL(outbuf,smb_vwv7+1,getpid()); /* session key */
SIVAL(outbuf,smb_vwv9+1,capabilities); /* capabilities */
put_long_date(outbuf+smb_vwv11+1,t);
SSVALS(outbuf,smb_vwv15+1,TimeDiff(t)/60);
SSVAL(outbuf,smb_vwv17,data_len); /* length of challenge+domain strings */
return (smb_len(outbuf)+4);
}
/* these are the protocol lists used for auto architecture detection:
WinNT 3.51:
protocol [PC NETWORK PROGRAM 1.0]
protocol [XENIX CORE]
protocol [MICROSOFT NETWORKS 1.03]
protocol [LANMAN1.0]
protocol [Windows for Workgroups 3.1a]
protocol [LM1.2X002]
protocol [LANMAN2.1]
protocol [NT LM 0.12]
Win95:
protocol [PC NETWORK PROGRAM 1.0]
protocol [XENIX CORE]
protocol [MICROSOFT NETWORKS 1.03]
protocol [LANMAN1.0]
protocol [Windows for Workgroups 3.1a]
protocol [LM1.2X002]
protocol [LANMAN2.1]
protocol [NT LM 0.12]
OS/2:
protocol [PC NETWORK PROGRAM 1.0]
protocol [XENIX CORE]
protocol [LANMAN1.0]
protocol [LM1.2X002]
protocol [LANMAN2.1]
*/
/*
* Modified to recognize the architecture of the remote machine better.
*
* This appears to be the matrix of which protocol is used by which
* MS product.
Protocol WfWg Win95 WinNT OS/2
PC NETWORK PROGRAM 1.0 1 1 1 1
XENIX CORE 2 2
MICROSOFT NETWORKS 3.0 2 2
DOS LM1.2X002 3 3
MICROSOFT NETWORKS 1.03 3
DOS LANMAN2.1 4 4
LANMAN1.0 4 3
Windows for Workgroups 3.1a 5 5 5
LM1.2X002 6 4
LANMAN2.1 7 5
NT LM 0.12 6 8
*
* tim@fsg.com 09/29/95
*/
#define ARCH_WFWG 0x3 /* This is a fudge because WfWg is like Win95 */
#define ARCH_WIN95 0x2
#define ARCH_OS2 0xC /* Again OS/2 is like NT */
#define ARCH_WINNT 0x8
#define ARCH_SAMBA 0x10
#define ARCH_ALL 0x1F
/* List of supported protocols, most desired first */
static struct {
char *proto_name;
char *short_name;
int (*proto_reply_fn)(char *);
int protocol_level;
} supported_protocols[] = {
{"NT LANMAN 1.0", "NT1", reply_nt1, PROTOCOL_NT1},
{"NT LM 0.12", "NT1", reply_nt1, PROTOCOL_NT1},
{"LM1.2X002", "LANMAN2", reply_lanman2, PROTOCOL_LANMAN2},
{"Samba", "LANMAN2", reply_lanman2, PROTOCOL_LANMAN2},
{"DOS LM1.2X002", "LANMAN2", reply_lanman2, PROTOCOL_LANMAN2},
{"LANMAN1.0", "LANMAN1", reply_lanman1, PROTOCOL_LANMAN1},
{"MICROSOFT NETWORKS 3.0", "LANMAN1", reply_lanman1, PROTOCOL_LANMAN1},
{"MICROSOFT NETWORKS 1.03", "COREPLUS", reply_coreplus, PROTOCOL_COREPLUS},
{"PC NETWORK PROGRAM 1.0", "CORE", reply_corep, PROTOCOL_CORE},
{NULL,NULL},
};
/****************************************************************************
reply to a negprot
****************************************************************************/
int reply_negprot(connection_struct *conn,
char *inbuf,char *outbuf, int dum_size,
int dum_buffsize)
{
int outsize = set_message(outbuf,1,0,True);
int Index=0;
int choice= -1;
int protocol;
char *p;
int bcc = SVAL(smb_buf(inbuf),-2);
int arch = ARCH_ALL;
p = smb_buf(inbuf)+1;
while (p < (smb_buf(inbuf) + bcc))
{
Index++;
DEBUG(3,("Requested protocol [%s]\n",p));
if (strcsequal(p,"Windows for Workgroups 3.1a"))
arch &= ( ARCH_WFWG | ARCH_WIN95 | ARCH_WINNT );
else if (strcsequal(p,"DOS LM1.2X002"))
arch &= ( ARCH_WFWG | ARCH_WIN95 );
else if (strcsequal(p,"DOS LANMAN2.1"))
arch &= ( ARCH_WFWG | ARCH_WIN95 );
else if (strcsequal(p,"NT LM 0.12"))
arch &= ( ARCH_WIN95 | ARCH_WINNT );
else if (strcsequal(p,"LANMAN2.1"))
arch &= ( ARCH_WINNT | ARCH_OS2 );
else if (strcsequal(p,"LM1.2X002"))
arch &= ( ARCH_WINNT | ARCH_OS2 );
else if (strcsequal(p,"MICROSOFT NETWORKS 1.03"))
arch &= ARCH_WINNT;
else if (strcsequal(p,"XENIX CORE"))
arch &= ( ARCH_WINNT | ARCH_OS2 );
else if (strcsequal(p,"Samba")) {
arch = ARCH_SAMBA;
break;
}
p += strlen(p) + 2;
}
switch ( arch ) {
case ARCH_SAMBA:
set_remote_arch(RA_SAMBA);
break;
case ARCH_WFWG:
set_remote_arch(RA_WFWG);
break;
case ARCH_WIN95:
set_remote_arch(RA_WIN95);
break;
case ARCH_WINNT:
set_remote_arch(RA_WINNT);
break;
case ARCH_OS2:
set_remote_arch(RA_OS2);
break;
default:
set_remote_arch(RA_UNKNOWN);
break;
}
/* possibly reload - change of architecture */
reload_services(True);
/* a special case to stop password server loops */
if (Index == 1 && strequal(remote_machine,myhostname) &&
(lp_security()==SEC_SERVER || lp_security()==SEC_DOMAIN))
exit_server("Password server loop!");
/* Check for protocols, most desirable first */
for (protocol = 0; supported_protocols[protocol].proto_name; protocol++)
{
p = smb_buf(inbuf)+1;
Index = 0;
if (lp_maxprotocol() >= supported_protocols[protocol].protocol_level)
while (p < (smb_buf(inbuf) + bcc))
{
if (strequal(p,supported_protocols[protocol].proto_name))
choice = Index;
Index++;
p += strlen(p) + 2;
}
if(choice != -1)
break;
}
SSVAL(outbuf,smb_vwv0,choice);
if(choice != -1) {
extern fstring remote_proto;
fstrcpy(remote_proto,supported_protocols[protocol].short_name);
reload_services(True);
outsize = supported_protocols[protocol].proto_reply_fn(outbuf);
DEBUG(3,("Selected protocol %s\n",supported_protocols[protocol].proto_name));
}
else {
DEBUG(0,("No protocol supported !\n"));
}
SSVAL(outbuf,smb_vwv0,choice);
DEBUG( 5, ( "negprot index=%d\n", choice ) );
return(outsize);
}

485
source/smbd/server.c
View File

@ -65,8 +65,6 @@ extern int dcelogin_atmost_once;
*/
extern DOM_SID global_machine_sid;
extern int Protocol;
/*
* Size of data we can send to client. Set
* by the client for all protocols above CORE.
@ -100,13 +98,6 @@ extern int extra_time_offset;
extern pstring myhostname;
/* for readability... */
#define IS_DOS_READONLY(test_mode) (((test_mode) & aRONLY) != 0)
#define IS_DOS_DIR(test_mode) (((test_mode) & aDIR) != 0)
#define IS_DOS_ARCHIVE(test_mode) (((test_mode) & aARCH) != 0)
#define IS_DOS_SYSTEM(test_mode) (((test_mode) & aSYSTEM) != 0)
#define IS_DOS_HIDDEN(test_mode) (((test_mode) & aHIDDEN) != 0)
/****************************************************************************
when exiting, take the whole family
****************************************************************************/
@ -1988,97 +1979,6 @@ dev = %x, inode = %x\n", oplock_request, fname, dev, inode));
unlock_share_entry( conn, dev, inode, token);
}
/****************************************************************************
seek a file. Try to avoid the seek if possible
****************************************************************************/
int seek_file(files_struct *fsp,uint32 pos)
{
uint32 offset = 0;
if (fsp->print_file && lp_postscript(fsp->conn->service))
offset = 3;
fsp->pos = (int)(lseek(fsp->fd_ptr->fd,pos+offset,SEEK_SET) - offset);
return(fsp->pos);
}
/****************************************************************************
read from a file
****************************************************************************/
int read_file(files_struct *fsp,char *data,uint32 pos,int n)
{
int ret=0,readret;
#if USE_READ_PREDICTION
if (!fsp->can_write)
{
ret = read_predict(fsp->fd_ptr->fd,pos,data,NULL,n);
data += ret;
n -= ret;
pos += ret;
}
#endif
#if WITH_MMAP
if (fsp->mmap_ptr)
{
int num = (fsp->mmap_size > pos) ? (fsp->mmap_size - pos) : -1;
num = MIN(n,num);
if (num > 0)
{
memcpy(data,fsp->mmap_ptr+pos,num);
data += num;
pos += num;
n -= num;
ret += num;
}
}
#endif
if (n <= 0)
return(ret);
if (seek_file(fsp,pos) != pos)
{
DEBUG(3,("Failed to seek to %d\n",pos));
return(ret);
}
if (n > 0) {
readret = read(fsp->fd_ptr->fd,data,n);
if (readret > 0) ret += readret;
}
return(ret);
}
/****************************************************************************
write to a file
****************************************************************************/
int write_file(files_struct *fsp,char *data,int n)
{
if (!fsp->can_write) {
errno = EPERM;
return(0);
}
if (!fsp->modified) {
struct stat st;
fsp->modified = True;
if (fstat(fsp->fd_ptr->fd,&st) == 0) {
int dosmode = dos_mode(fsp->conn,fsp->fsp_name,&st);
if (MAP_ARCHIVE(fsp->conn) && !IS_DOS_ARCHIVE(dosmode)) {
dos_chmod(fsp->conn,fsp->fsp_name,dosmode | aARCH,&st);
}
}
}
return(write_data(fsp->fd_ptr->fd,data,n));
}
/****************************************************************************
load parameters specific to a connection/service
@ -3657,391 +3557,6 @@ BOOL attempt_close_oplocked_file(files_struct *fsp)
}
/****************************************************************************
reply for the core protocol
****************************************************************************/
int reply_corep(char *outbuf)
{
int outsize = set_message(outbuf,1,0,True);
Protocol = PROTOCOL_CORE;
return outsize;
}
/****************************************************************************
reply for the coreplus protocol
****************************************************************************/
int reply_coreplus(char *outbuf)
{
int raw = (lp_readraw()?1:0) | (lp_writeraw()?2:0);
int outsize = set_message(outbuf,13,0,True);
SSVAL(outbuf,smb_vwv5,raw); /* tell redirector we support
readbraw and writebraw (possibly) */
CVAL(outbuf,smb_flg) = 0x81; /* Reply, SMBlockread, SMBwritelock supported */
SSVAL(outbuf,smb_vwv1,0x1); /* user level security, don't encrypt */
Protocol = PROTOCOL_COREPLUS;
return outsize;
}
/****************************************************************************
reply for the lanman 1.0 protocol
****************************************************************************/
int reply_lanman1(char *outbuf)
{
int raw = (lp_readraw()?1:0) | (lp_writeraw()?2:0);
int secword=0;
BOOL doencrypt = SMBENCRYPT();
time_t t = time(NULL);
if (lp_security()>=SEC_USER) secword |= 1;
if (doencrypt) secword |= 2;
set_message(outbuf,13,doencrypt?8:0,True);
SSVAL(outbuf,smb_vwv1,secword);
/* Create a token value and add it to the outgoing packet. */
if (doencrypt)
generate_next_challenge(smb_buf(outbuf));
Protocol = PROTOCOL_LANMAN1;
CVAL(outbuf,smb_flg) = 0x81; /* Reply, SMBlockread, SMBwritelock supported */
SSVAL(outbuf,smb_vwv2,max_recv);
SSVAL(outbuf,smb_vwv3,lp_maxmux()); /* maxmux */
SSVAL(outbuf,smb_vwv4,1);
SSVAL(outbuf,smb_vwv5,raw); /* tell redirector we support
readbraw writebraw (possibly) */
SIVAL(outbuf,smb_vwv6,getpid());
SSVAL(outbuf,smb_vwv10, TimeDiff(t)/60);
put_dos_date(outbuf,smb_vwv8,t);
return (smb_len(outbuf)+4);
}
/****************************************************************************
reply for the lanman 2.0 protocol
****************************************************************************/
int reply_lanman2(char *outbuf)
{
int raw = (lp_readraw()?1:0) | (lp_writeraw()?2:0);
int secword=0;
BOOL doencrypt = SMBENCRYPT();
time_t t = time(NULL);
struct cli_state *cli = NULL;
char cryptkey[8];
char crypt_len = 0;
if (lp_security() == SEC_SERVER) {
cli = server_cryptkey();
}
if (cli) {
DEBUG(3,("using password server validation\n"));
doencrypt = ((cli->sec_mode & 2) != 0);
}
if (lp_security()>=SEC_USER) secword |= 1;
if (doencrypt) secword |= 2;
if (doencrypt) {
crypt_len = 8;
if (!cli) {
generate_next_challenge(cryptkey);
} else {
memcpy(cryptkey, cli->cryptkey, 8);
set_challenge(cli->cryptkey);
}
}
set_message(outbuf,13,crypt_len,True);
SSVAL(outbuf,smb_vwv1,secword);
SIVAL(outbuf,smb_vwv6,getpid());
if (doencrypt)
memcpy(smb_buf(outbuf), cryptkey, 8);
Protocol = PROTOCOL_LANMAN2;
CVAL(outbuf,smb_flg) = 0x81; /* Reply, SMBlockread, SMBwritelock supported */
SSVAL(outbuf,smb_vwv2,max_recv);
SSVAL(outbuf,smb_vwv3,lp_maxmux());
SSVAL(outbuf,smb_vwv4,1);
SSVAL(outbuf,smb_vwv5,raw); /* readbraw and/or writebraw */
SSVAL(outbuf,smb_vwv10, TimeDiff(t)/60);
put_dos_date(outbuf,smb_vwv8,t);
return (smb_len(outbuf)+4);
}
/****************************************************************************
reply for the nt protocol
****************************************************************************/
int reply_nt1(char *outbuf)
{
/* dual names + lock_and_read + nt SMBs + remote API calls */
int capabilities = CAP_NT_FIND|CAP_LOCK_AND_READ|CAP_RPC_REMOTE_APIS |CAP_NT_SMBS;
/*
other valid capabilities which we may support at some time...
CAP_LARGE_FILES|
CAP_LARGE_READX|CAP_STATUS32|CAP_LEVEL_II_OPLOCKS;
*/
int secword=0;
BOOL doencrypt = SMBENCRYPT();
time_t t = time(NULL);
int data_len;
struct cli_state *cli = NULL;
char cryptkey[8];
char crypt_len = 0;
if (lp_security() == SEC_SERVER) {
cli = server_cryptkey();
}
if (cli) {
DEBUG(3,("using password server validation\n"));
doencrypt = ((cli->sec_mode & 2) != 0);
}
if (doencrypt) {
crypt_len = 8;
if (!cli) {
generate_next_challenge(cryptkey);
} else {
memcpy(cryptkey, cli->cryptkey, 8);
set_challenge(cli->cryptkey);
}
}
if (lp_readraw() && lp_writeraw()) {
capabilities |= CAP_RAW_MODE;
}
if (lp_security() >= SEC_USER) secword |= 1;
if (doencrypt) secword |= 2;
/* decide where (if) to put the encryption challenge, and
follow it with the OEM'd domain name
*/
data_len = crypt_len + strlen(global_myworkgroup) + 1;
set_message(outbuf,17,data_len,True);
pstrcpy(smb_buf(outbuf)+crypt_len, global_myworkgroup);
CVAL(outbuf,smb_vwv1) = secword;
SSVALS(outbuf,smb_vwv16+1,crypt_len);
if (doencrypt)
memcpy(smb_buf(outbuf), cryptkey, 8);
Protocol = PROTOCOL_NT1;
SSVAL(outbuf,smb_vwv1+1,lp_maxmux()); /* maxmpx */
SSVAL(outbuf,smb_vwv2+1,1); /* num vcs */
SIVAL(outbuf,smb_vwv3+1,0xffff); /* max buffer. LOTS! */
SIVAL(outbuf,smb_vwv5+1,0x10000); /* raw size. full 64k */
SIVAL(outbuf,smb_vwv7+1,getpid()); /* session key */
SIVAL(outbuf,smb_vwv9+1,capabilities); /* capabilities */
put_long_date(outbuf+smb_vwv11+1,t);
SSVALS(outbuf,smb_vwv15+1,TimeDiff(t)/60);
SSVAL(outbuf,smb_vwv17,data_len); /* length of challenge+domain strings */
return (smb_len(outbuf)+4);
}
/* these are the protocol lists used for auto architecture detection:
WinNT 3.51:
protocol [PC NETWORK PROGRAM 1.0]
protocol [XENIX CORE]
protocol [MICROSOFT NETWORKS 1.03]
protocol [LANMAN1.0]
protocol [Windows for Workgroups 3.1a]
protocol [LM1.2X002]
protocol [LANMAN2.1]
protocol [NT LM 0.12]
Win95:
protocol [PC NETWORK PROGRAM 1.0]
protocol [XENIX CORE]
protocol [MICROSOFT NETWORKS 1.03]
protocol [LANMAN1.0]
protocol [Windows for Workgroups 3.1a]
protocol [LM1.2X002]
protocol [LANMAN2.1]
protocol [NT LM 0.12]
OS/2:
protocol [PC NETWORK PROGRAM 1.0]
protocol [XENIX CORE]
protocol [LANMAN1.0]
protocol [LM1.2X002]
protocol [LANMAN2.1]
*/
/*
* Modified to recognize the architecture of the remote machine better.
*
* This appears to be the matrix of which protocol is used by which
* MS product.
Protocol WfWg Win95 WinNT OS/2
PC NETWORK PROGRAM 1.0 1 1 1 1
XENIX CORE 2 2
MICROSOFT NETWORKS 3.0 2 2
DOS LM1.2X002 3 3
MICROSOFT NETWORKS 1.03 3
DOS LANMAN2.1 4 4
LANMAN1.0 4 3
Windows for Workgroups 3.1a 5 5 5
LM1.2X002 6 4
LANMAN2.1 7 5
NT LM 0.12 6 8
*
* tim@fsg.com 09/29/95
*/
#define ARCH_WFWG 0x3 /* This is a fudge because WfWg is like Win95 */
#define ARCH_WIN95 0x2
#define ARCH_OS2 0xC /* Again OS/2 is like NT */
#define ARCH_WINNT 0x8
#define ARCH_SAMBA 0x10
#define ARCH_ALL 0x1F
/* List of supported protocols, most desired first */
struct {
char *proto_name;
char *short_name;
int (*proto_reply_fn)(char *);
int protocol_level;
} supported_protocols[] = {
{"NT LANMAN 1.0", "NT1", reply_nt1, PROTOCOL_NT1},
{"NT LM 0.12", "NT1", reply_nt1, PROTOCOL_NT1},
{"LM1.2X002", "LANMAN2", reply_lanman2, PROTOCOL_LANMAN2},
{"Samba", "LANMAN2", reply_lanman2, PROTOCOL_LANMAN2},
{"DOS LM1.2X002", "LANMAN2", reply_lanman2, PROTOCOL_LANMAN2},
{"LANMAN1.0", "LANMAN1", reply_lanman1, PROTOCOL_LANMAN1},
{"MICROSOFT NETWORKS 3.0", "LANMAN1", reply_lanman1, PROTOCOL_LANMAN1},
{"MICROSOFT NETWORKS 1.03", "COREPLUS", reply_coreplus, PROTOCOL_COREPLUS},
{"PC NETWORK PROGRAM 1.0", "CORE", reply_corep, PROTOCOL_CORE},
{NULL,NULL},
};
/****************************************************************************
reply to a negprot
****************************************************************************/
static int reply_negprot(connection_struct *conn,
char *inbuf,char *outbuf, int dum_size,
int dum_buffsize)
{
int outsize = set_message(outbuf,1,0,True);
int Index=0;
int choice= -1;
int protocol;
char *p;
int bcc = SVAL(smb_buf(inbuf),-2);
int arch = ARCH_ALL;
p = smb_buf(inbuf)+1;
while (p < (smb_buf(inbuf) + bcc))
{
Index++;
DEBUG(3,("Requested protocol [%s]\n",p));
if (strcsequal(p,"Windows for Workgroups 3.1a"))
arch &= ( ARCH_WFWG | ARCH_WIN95 | ARCH_WINNT );
else if (strcsequal(p,"DOS LM1.2X002"))
arch &= ( ARCH_WFWG | ARCH_WIN95 );
else if (strcsequal(p,"DOS LANMAN2.1"))
arch &= ( ARCH_WFWG | ARCH_WIN95 );
else if (strcsequal(p,"NT LM 0.12"))
arch &= ( ARCH_WIN95 | ARCH_WINNT );
else if (strcsequal(p,"LANMAN2.1"))
arch &= ( ARCH_WINNT | ARCH_OS2 );
else if (strcsequal(p,"LM1.2X002"))
arch &= ( ARCH_WINNT | ARCH_OS2 );
else if (strcsequal(p,"MICROSOFT NETWORKS 1.03"))
arch &= ARCH_WINNT;
else if (strcsequal(p,"XENIX CORE"))
arch &= ( ARCH_WINNT | ARCH_OS2 );
else if (strcsequal(p,"Samba")) {
arch = ARCH_SAMBA;
break;
}
p += strlen(p) + 2;
}
switch ( arch ) {
case ARCH_SAMBA:
set_remote_arch(RA_SAMBA);
break;
case ARCH_WFWG:
set_remote_arch(RA_WFWG);
break;
case ARCH_WIN95:
set_remote_arch(RA_WIN95);
break;
case ARCH_WINNT:
set_remote_arch(RA_WINNT);
break;
case ARCH_OS2:
set_remote_arch(RA_OS2);
break;
default:
set_remote_arch(RA_UNKNOWN);
break;
}
/* possibly reload - change of architecture */
reload_services(True);
/* a special case to stop password server loops */
if (Index == 1 && strequal(remote_machine,myhostname) &&
(lp_security()==SEC_SERVER || lp_security()==SEC_DOMAIN))
exit_server("Password server loop!");
/* Check for protocols, most desirable first */
for (protocol = 0; supported_protocols[protocol].proto_name; protocol++)
{
p = smb_buf(inbuf)+1;
Index = 0;
if (lp_maxprotocol() >= supported_protocols[protocol].protocol_level)
while (p < (smb_buf(inbuf) + bcc))
{
if (strequal(p,supported_protocols[protocol].proto_name))
choice = Index;
Index++;
p += strlen(p) + 2;
}
if(choice != -1)
break;
}
SSVAL(outbuf,smb_vwv0,choice);
if(choice != -1) {
extern fstring remote_proto;
fstrcpy(remote_proto,supported_protocols[protocol].short_name);
reload_services(True);
outsize = supported_protocols[protocol].proto_reply_fn(outbuf);
DEBUG(3,("Selected protocol %s\n",supported_protocols[protocol].proto_name));
}
else {
DEBUG(0,("No protocol supported !\n"));
}
SSVAL(outbuf,smb_vwv0,choice);
DEBUG( 5, ( "negprot index=%d\n", choice ) );
return(outsize);
}
/****************************************************************************
close a cnum