/*
- Unix SMB/Netbios implementation.
- Version 1.9.
+ Unix SMB/CIFS implementation.
SMB NT transaction handling
Copyright (C) Jeremy Allison 1994-1998
*/
#include "includes.h"
-#include "nterr.h"
-extern int DEBUGLEVEL;
extern int Protocol;
-extern int Client;
extern int smb_read_error;
extern int global_oplock_break;
-extern int chain_size;
extern BOOL case_sensitive;
extern BOOL case_preserve;
extern BOOL short_case_preserve;
-static void remove_pending_change_notify_requests_by_mid(int mid);
-
static char *known_nt_pipes[] = {
- "\\LANMAN",
- "\\srvsvc",
- "\\svcctl",
- "\\samr",
- "\\wkssvc",
- "\\NETLOGON",
- "\\ntlsa",
- "\\ntsvcs",
- "\\lsass",
- "\\lsarpc",
- "\\winreg",
- NULL
+ "\\LANMAN",
+ "\\srvsvc",
+ "\\samr",
+ "\\wkssvc",
+ "\\NETLOGON",
+ "\\ntlsa",
+ "\\ntsvcs",
+ "\\lsass",
+ "\\lsarpc",
+ "\\winreg",
+ "\\spoolss",
+ "\\netdfs",
+ NULL
+};
+
+/* Map generic permissions to file object specific permissions */
+
+struct generic_mapping file_generic_mapping = {
+ FILE_GENERIC_READ,
+ FILE_GENERIC_WRITE,
+ FILE_GENERIC_EXECUTE,
+ FILE_GENERIC_ALL
};
/****************************************************************************
HACK ! Always assumes smb_setup field is zero.
****************************************************************************/
-static int send_nt_replies(char *outbuf, int bufsize, char *params,
+static int send_nt_replies(char *inbuf, char *outbuf, int bufsize, NTSTATUS nt_error, char *params,
int paramsize, char *pdata, int datasize)
{
- extern int max_send;
- int data_to_send = datasize;
- int params_to_send = paramsize;
- int useable_space;
- char *pp = params;
- char *pd = pdata;
- int params_sent_thistime, data_sent_thistime, total_sent_thistime;
- int alignment_offset = 3;
- int data_alignment_offset = 0;
-
- /*
- * Initially set the wcnt area to be 18 - this is true for all
- * transNT replies.
- */
-
- set_message(outbuf,18,0,True);
-
- /*
- * If there genuinely are no parameters or data to send just send
- * the empty packet.
- */
-
- if(params_to_send == 0 && data_to_send == 0) {
- send_smb(Client,outbuf);
- return 0;
- }
-
- /*
- * When sending params and data ensure that both are nicely aligned.
- * Only do this alignment when there is also data to send - else
- * can cause NT redirector problems.
- */
-
- if (((params_to_send % 4) != 0) && (data_to_send != 0))
- data_alignment_offset = 4 - (params_to_send % 4);
-
- /*
- * Space is bufsize minus Netbios over TCP header minus SMB header.
- * The alignment_offset is to align the param bytes on a four byte
- * boundary (2 bytes for data len, one byte pad).
- * NT needs this to work correctly.
- */
-
- useable_space = bufsize - ((smb_buf(outbuf)+
- alignment_offset+data_alignment_offset) -
- outbuf);
-
- /*
- * useable_space can never be more than max_send minus the
- * alignment offset.
- */
-
- useable_space = MIN(useable_space,
- max_send - (alignment_offset+data_alignment_offset));
-
-
- while (params_to_send || data_to_send) {
-
- /*
- * Calculate whether we will totally or partially fill this packet.
- */
-
- total_sent_thistime = params_to_send + data_to_send +
- alignment_offset + data_alignment_offset;
-
- /*
- * We can never send more than useable_space.
- */
-
- total_sent_thistime = MIN(total_sent_thistime, useable_space);
-
- set_message(outbuf, 18, total_sent_thistime, True);
-
- /*
- * Set total params and data to be sent.
- */
-
- SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
- SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
-
- /*
- * Calculate how many parameters and data we can fit into
- * this packet. Parameters get precedence.
- */
-
- params_sent_thistime = MIN(params_to_send,useable_space);
- data_sent_thistime = useable_space - params_sent_thistime;
- data_sent_thistime = MIN(data_sent_thistime,data_to_send);
-
- SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
-
- if(params_sent_thistime == 0) {
- SIVAL(outbuf,smb_ntr_ParameterOffset,0);
- SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
- } else {
- /*
- * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
- * parameter bytes, however the first 4 bytes of outbuf are
- * the Netbios over TCP header. Thus use smb_base() to subtract
- * them from the calculation.
- */
-
- SIVAL(outbuf,smb_ntr_ParameterOffset,
- ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
- /*
- * Absolute displacement of param bytes sent in this packet.
- */
-
- SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
- }
-
- /*
- * Deal with the data portion.
- */
+ extern int max_send;
+ int data_to_send = datasize;
+ int params_to_send = paramsize;
+ int useable_space;
+ char *pp = params;
+ char *pd = pdata;
+ int params_sent_thistime, data_sent_thistime, total_sent_thistime;
+ int alignment_offset = 3;
+ int data_alignment_offset = 0;
- SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
-
- if(data_sent_thistime == 0) {
- SIVAL(outbuf,smb_ntr_DataOffset,0);
- SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
- } else {
- /*
- * The offset of the data bytes is the offset of the
- * parameter bytes plus the number of parameters being sent this time.
- */
-
- SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
- smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
- SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
- }
+ /*
+ * Initially set the wcnt area to be 18 - this is true for all
+ * transNT replies.
+ */
- /*
- * Copy the param bytes into the packet.
- */
+ set_message(outbuf,18,0,True);
- if(params_sent_thistime)
- memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
-
- /*
- * Copy in the data bytes
- */
+ if (NT_STATUS_V(nt_error))
+ ERROR_NT(nt_error);
- if(data_sent_thistime)
- memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
- data_alignment_offset,pd,data_sent_thistime);
-
- DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
- params_sent_thistime, data_sent_thistime, useable_space));
- DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
- params_to_send, data_to_send, paramsize, datasize));
-
- /* Send the packet */
- send_smb(Client,outbuf);
-
- pp += params_sent_thistime;
- pd += data_sent_thistime;
-
- params_to_send -= params_sent_thistime;
- data_to_send -= data_sent_thistime;
+ /*
+ * If there genuinely are no parameters or data to send just send
+ * the empty packet.
+ */
- /*
- * Sanity check
- */
+ if(params_to_send == 0 && data_to_send == 0) {
+ if (!send_smb(smbd_server_fd(),outbuf))
+ exit_server("send_nt_replies: send_smb failed.");
+ return 0;
+ }
- if(params_to_send < 0 || data_to_send < 0) {
- DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
- params_to_send, data_to_send));
- return -1;
- }
- }
+ /*
+ * When sending params and data ensure that both are nicely aligned.
+ * Only do this alignment when there is also data to send - else
+ * can cause NT redirector problems.
+ */
- return 0;
-}
+ if (((params_to_send % 4) != 0) && (data_to_send != 0))
+ data_alignment_offset = 4 - (params_to_send % 4);
-/****************************************************************************
- (Hopefully) temporary call to fix bugs in NT5.0beta2. This OS sends unicode
- strings in NT calls AND DOESN'T SET THE UNICODE BIT !!!!!!!
-****************************************************************************/
+ /*
+ * Space is bufsize minus Netbios over TCP header minus SMB header.
+ * The alignment_offset is to align the param bytes on a four byte
+ * boundary (2 bytes for data len, one byte pad).
+ * NT needs this to work correctly.
+ */
-static void my_wcstombs(char *dst, uint16 *src, size_t len)
-{
- size_t i;
+ useable_space = bufsize - ((smb_buf(outbuf)+
+ alignment_offset+data_alignment_offset) -
+ outbuf);
- for(i = 0; i < len; i++)
- dst[i] = (char)SVAL(src,i*2);
-}
+ /*
+ * useable_space can never be more than max_send minus the
+ * alignment offset.
+ */
-static void get_filename( char *fname, char *inbuf, int data_offset, int data_len, int fname_len)
-{
- if(data_len - fname_len > 1) {
- /*
- * NT 5.0 Beta 2 has kindly sent us a UNICODE string
- * without bothering to set the unicode bit. How kind.
- *
- * Firstly - ensure that the data offset is aligned
- * on a 2 byte boundary - add one if not.
- */
- fname_len = fname_len/2;
- if(data_offset & 1)
- data_offset++;
- my_wcstombs( fname, (uint16 *)(inbuf+data_offset), fname_len);
- } else {
- StrnCpy(fname,inbuf+data_offset,fname_len);
- }
- fname[fname_len] = '\0';
+ useable_space = MIN(useable_space,
+ max_send - (alignment_offset+data_alignment_offset));
+
+
+ while (params_to_send || data_to_send) {
+
+ /*
+ * Calculate whether we will totally or partially fill this packet.
+ */
+
+ total_sent_thistime = params_to_send + data_to_send +
+ alignment_offset + data_alignment_offset;
+
+ /*
+ * We can never send more than useable_space.
+ */
+
+ total_sent_thistime = MIN(total_sent_thistime, useable_space);
+
+ set_message(outbuf, 18, total_sent_thistime, True);
+
+ /*
+ * Set total params and data to be sent.
+ */
+
+ SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
+ SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
+
+ /*
+ * Calculate how many parameters and data we can fit into
+ * this packet. Parameters get precedence.
+ */
+
+ params_sent_thistime = MIN(params_to_send,useable_space);
+ data_sent_thistime = useable_space - params_sent_thistime;
+ data_sent_thistime = MIN(data_sent_thistime,data_to_send);
+
+ SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
+
+ if(params_sent_thistime == 0) {
+ SIVAL(outbuf,smb_ntr_ParameterOffset,0);
+ SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
+ } else {
+ /*
+ * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
+ * parameter bytes, however the first 4 bytes of outbuf are
+ * the Netbios over TCP header. Thus use smb_base() to subtract
+ * them from the calculation.
+ */
+
+ SIVAL(outbuf,smb_ntr_ParameterOffset,
+ ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
+ /*
+ * Absolute displacement of param bytes sent in this packet.
+ */
+
+ SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
+ }
+
+ /*
+ * Deal with the data portion.
+ */
+
+ SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
+
+ if(data_sent_thistime == 0) {
+ SIVAL(outbuf,smb_ntr_DataOffset,0);
+ SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
+ } else {
+ /*
+ * The offset of the data bytes is the offset of the
+ * parameter bytes plus the number of parameters being sent this time.
+ */
+
+ SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
+ smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
+ SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
+ }
+
+ /*
+ * Copy the param bytes into the packet.
+ */
+
+ if(params_sent_thistime)
+ memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
+
+ /*
+ * Copy in the data bytes
+ */
+
+ if(data_sent_thistime)
+ memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
+ data_alignment_offset,pd,data_sent_thistime);
+
+ DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
+ params_sent_thistime, data_sent_thistime, useable_space));
+ DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
+ params_to_send, data_to_send, paramsize, datasize));
+
+ /* Send the packet */
+ if (!send_smb(smbd_server_fd(),outbuf))
+ exit_server("send_nt_replies: send_smb failed.");
+
+ pp += params_sent_thistime;
+ pd += data_sent_thistime;
+
+ params_to_send -= params_sent_thistime;
+ data_to_send -= data_sent_thistime;
+
+ /*
+ * Sanity check
+ */
+
+ if(params_to_send < 0 || data_to_send < 0) {
+ DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
+ params_to_send, data_to_send));
+ return -1;
+ }
+ }
+
+ return 0;
}
/****************************************************************************
static void set_posix_case_semantics(uint32 file_attributes)
{
- if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
- return;
+ if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
+ return;
- saved_case_sensitive = case_sensitive;
- saved_case_preserve = case_preserve;
- saved_short_case_preserve = short_case_preserve;
+ saved_case_sensitive = case_sensitive;
+ saved_case_preserve = case_preserve;
+ saved_short_case_preserve = short_case_preserve;
- /* Set to POSIX. */
- case_sensitive = True;
- case_preserve = True;
- short_case_preserve = True;
+ /* Set to POSIX. */
+ case_sensitive = True;
+ case_preserve = True;
+ short_case_preserve = True;
}
/****************************************************************************
static void restore_case_semantics(uint32 file_attributes)
{
- if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
- return;
+ if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
+ return;
- case_sensitive = saved_case_sensitive;
- case_preserve = saved_case_preserve;
- short_case_preserve = saved_short_case_preserve;
+ case_sensitive = saved_case_sensitive;
+ case_preserve = saved_case_preserve;
+ short_case_preserve = saved_short_case_preserve;
}
/****************************************************************************
static int map_create_disposition( uint32 create_disposition)
{
- int ret;
-
- switch( create_disposition ) {
- case FILE_CREATE:
- /* create if not exist, fail if exist */
- ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_FAIL);
- break;
- case FILE_SUPERSEDE:
- case FILE_OVERWRITE_IF:
- /* create if not exist, trunc if exist */
- ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
- break;
- case FILE_OPEN:
- /* fail if not exist, open if exists */
- ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN);
- break;
- case FILE_OPEN_IF:
- /* create if not exist, open if exists */
- ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_OPEN);
- break;
- case FILE_OVERWRITE:
- /* fail if not exist, truncate if exists */
- ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
- break;
- default:
- DEBUG(0,("map_create_disposition: Incorrect value for create_disposition = %d\n",
- create_disposition ));
- return -1;
- }
-
- DEBUG(10,("map_create_disposition: Mapped create_disposition %lx to %x\n",
- (unsigned long)create_disposition, ret ));
-
- return ret;
+ int ret;
+
+ switch( create_disposition ) {
+ case FILE_CREATE:
+ /* create if not exist, fail if exist */
+ ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_FAIL);
+ break;
+ case FILE_SUPERSEDE:
+ case FILE_OVERWRITE_IF:
+ /* create if not exist, trunc if exist */
+ ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
+ break;
+ case FILE_OPEN:
+ /* fail if not exist, open if exists */
+ ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN);
+ break;
+ case FILE_OPEN_IF:
+ /* create if not exist, open if exists */
+ ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_OPEN);
+ break;
+ case FILE_OVERWRITE:
+ /* fail if not exist, truncate if exists */
+ ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
+ break;
+ default:
+ DEBUG(0,("map_create_disposition: Incorrect value for create_disposition = %d\n",
+ create_disposition ));
+ return -1;
+ }
+
+ DEBUG(10,("map_create_disposition: Mapped create_disposition 0x%lx to 0x%x\n",
+ (unsigned long)create_disposition, ret ));
+
+ return ret;
}
/****************************************************************************
Utility function to map share modes.
****************************************************************************/
-static int map_share_mode( char *fname, uint32 desired_access, uint32 share_access, uint32 file_attributes)
+static int map_share_mode( char *fname, uint32 create_options,
+ uint32 *desired_access, uint32 share_access, uint32 file_attributes)
{
- int smb_open_mode = -1;
-
- switch( desired_access & (FILE_READ_DATA|FILE_WRITE_DATA) ) {
- case FILE_READ_DATA:
- smb_open_mode = DOS_OPEN_RDONLY;
- break;
- case FILE_WRITE_DATA:
- smb_open_mode = DOS_OPEN_WRONLY;
- break;
- case FILE_READ_DATA|FILE_WRITE_DATA:
- smb_open_mode = DOS_OPEN_RDWR;
- break;
- }
-
- /*
- * NB. For DELETE_ACCESS we should really check the
- * directory permissions, as that is what controls
- * delete, and for WRITE_DAC_ACCESS we should really
- * check the ownership, as that is what controls the
- * chmod. Note that this is *NOT* a security hole (this
- * note is for you, Andrew) as we are not *allowing*
- * the access at this point, the actual unlink or
- * chown or chmod call would do this. We are just helping
- * clients out by telling them if they have a hope
- * of any of this succeeding. POSIX acls may still
- * deny the real call. JRA.
- */
-
- if (smb_open_mode == -1) {
- if(desired_access & (DELETE_ACCESS|WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS|
- FILE_EXECUTE|FILE_READ_ATTRIBUTES|
- FILE_WRITE_ATTRIBUTES|READ_CONTROL_ACCESS))
- smb_open_mode = DOS_OPEN_RDONLY;
- else {
- DEBUG(0,("map_share_mode: Incorrect value %lx for desired_access to file %s\n",
- (unsigned long)desired_access, fname));
- return -1;
- }
- }
-
- /*
- * Set the special bit that means allow share delete.
- * This is held outside the normal share mode bits at 1<<15.
- * JRA.
- */
-
- if(share_access & FILE_SHARE_DELETE)
- smb_open_mode |= ALLOW_SHARE_DELETE;
-
- /* Add in the requested share mode. */
- switch( share_access & (FILE_SHARE_READ|FILE_SHARE_WRITE)) {
- case FILE_SHARE_READ:
- smb_open_mode |= SET_DENY_MODE(DENY_WRITE);
- break;
- case FILE_SHARE_WRITE:
- smb_open_mode |= SET_DENY_MODE(DENY_READ);
- break;
- case (FILE_SHARE_READ|FILE_SHARE_WRITE):
- smb_open_mode |= SET_DENY_MODE(DENY_NONE);
- break;
- case FILE_SHARE_NONE:
- smb_open_mode |= SET_DENY_MODE(DENY_ALL);
- break;
- }
-
- /*
- * Handle an O_SYNC request.
- */
-
- if(file_attributes & FILE_FLAG_WRITE_THROUGH)
- smb_open_mode |= FILE_SYNC_OPENMODE;
-
- DEBUG(10,("map_share_mode: Mapped desired access %lx, share access %lx, file attributes %lx \
-to open_mode %x\n", (unsigned long)desired_access, (unsigned long)share_access,
- (unsigned long)file_attributes, smb_open_mode ));
-
- return smb_open_mode;
-}
+ int smb_open_mode = -1;
-/*
- * This is a *disgusting* hack.
- * This is *so* bad that even I'm embarrassed (and I
- * have no shame). Here's the deal :
- * Until we get the correct SPOOLSS code into smbd
- * then when we're running with NT SMB support then
- * NT makes this call with a level of zero, and then
- * immediately follows it with an open request to
- * the \\SRVSVC pipe. If we allow that open to
- * succeed then NT barfs when it cannot open the
- * \\SPOOLSS pipe immediately after and continually
- * whines saying "Printer name is invalid" forever
- * after. If we cause *JUST THIS NEXT OPEN* of \\SRVSVC
- * to fail, then NT downgrades to using the downlevel code
- * and everything works as well as before. I hate
- * myself for adding this code.... JRA.
- *
- * The HACK_FAIL_TIME define allows only a 2
- * second window for this to occur, just in
- * case...
- */
-
-static BOOL fail_next_srvsvc = False;
-static time_t fail_time;
-#define HACK_FAIL_TIME 2 /* In seconds. */
-
-void fail_next_srvsvc_open(void)
-{
- fail_next_srvsvc = True;
- fail_time = time(NULL);
- DEBUG(10,("fail_next_srvsvc_open: setting up timeout close of \\srvsvc pipe for print fix.\n"));
+ /*
+ * Convert GENERIC bits to specific bits.
+ */
+
+ se_map_generic(desired_access, &file_generic_mapping);
+
+ switch( *desired_access & (FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA) ) {
+ case FILE_READ_DATA:
+ smb_open_mode = DOS_OPEN_RDONLY;
+ break;
+ case FILE_WRITE_DATA:
+ case FILE_APPEND_DATA:
+ case FILE_WRITE_DATA|FILE_APPEND_DATA:
+ smb_open_mode = DOS_OPEN_WRONLY;
+ break;
+ case FILE_READ_DATA|FILE_WRITE_DATA:
+ case FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA:
+ case FILE_READ_DATA|FILE_APPEND_DATA:
+ smb_open_mode = DOS_OPEN_RDWR;
+ break;
+ }
+
+ /*
+ * NB. For DELETE_ACCESS we should really check the
+ * directory permissions, as that is what controls
+ * delete, and for WRITE_DAC_ACCESS we should really
+ * check the ownership, as that is what controls the
+ * chmod. Note that this is *NOT* a security hole (this
+ * note is for you, Andrew) as we are not *allowing*
+ * the access at this point, the actual unlink or
+ * chown or chmod call would do this. We are just helping
+ * clients out by telling them if they have a hope
+ * of any of this succeeding. POSIX acls may still
+ * deny the real call. JRA.
+ */
+
+ if (smb_open_mode == -1) {
+
+ if(*desired_access & (DELETE_ACCESS|WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS|
+ FILE_EXECUTE|FILE_READ_ATTRIBUTES|
+ FILE_READ_EA|FILE_WRITE_EA|SYSTEM_SECURITY_ACCESS|
+ FILE_WRITE_ATTRIBUTES|READ_CONTROL_ACCESS)) {
+ smb_open_mode = DOS_OPEN_RDONLY;
+ } else if(*desired_access == 0) {
+
+ /*
+ * JRA - NT seems to sometimes send desired_access as zero. play it safe
+ * and map to a stat open.
+ */
+
+ smb_open_mode = DOS_OPEN_RDONLY;
+
+ } else {
+ DEBUG(0,("map_share_mode: Incorrect value 0x%lx for desired_access to file %s\n",
+ (unsigned long)*desired_access, fname));
+ return -1;
+ }
+ }
+
+ /*
+ * Set the special bit that means allow share delete.
+ * This is held outside the normal share mode bits at 1<<15.
+ * JRA.
+ */
+
+ if(share_access & FILE_SHARE_DELETE) {
+ smb_open_mode |= ALLOW_SHARE_DELETE;
+ DEBUG(10,("map_share_mode: FILE_SHARE_DELETE requested. open_mode = 0x%x\n", smb_open_mode));
+ }
+
+ /*
+ * We need to store the intent to open for Delete. This
+ * is what determines if a delete on close flag can be set.
+ * This is the wrong way (and place) to store this, but for 2.2 this
+ * is the only practical way. JRA.
+ */
+
+ if(*desired_access & DELETE_ACCESS) {
+ DEBUG(10,("map_share_mode: DELETE_ACCESS requested. open_mode = 0x%x\n", smb_open_mode));
+ }
+
+ if (create_options & FILE_DELETE_ON_CLOSE) {
+ /* Implicit delete access is *NOT* requested... */
+ smb_open_mode |= DELETE_ON_CLOSE_FLAG;
+ DEBUG(10,("map_share_mode: FILE_DELETE_ON_CLOSE requested. open_mode = 0x%x\n", smb_open_mode));
+ }
+
+ /* Add in the requested share mode. */
+ switch( share_access & (FILE_SHARE_READ|FILE_SHARE_WRITE)) {
+ case FILE_SHARE_READ:
+ smb_open_mode |= SET_DENY_MODE(DENY_WRITE);
+ break;
+ case FILE_SHARE_WRITE:
+ smb_open_mode |= SET_DENY_MODE(DENY_READ);
+ break;
+ case (FILE_SHARE_READ|FILE_SHARE_WRITE):
+ smb_open_mode |= SET_DENY_MODE(DENY_NONE);
+ break;
+ case FILE_SHARE_NONE:
+ smb_open_mode |= SET_DENY_MODE(DENY_ALL);
+ break;
+ }
+
+ /*
+ * Handle an O_SYNC request.
+ */
+
+ if(file_attributes & FILE_FLAG_WRITE_THROUGH)
+ smb_open_mode |= FILE_SYNC_OPENMODE;
+
+ DEBUG(10,("map_share_mode: Mapped desired access 0x%lx, share access 0x%lx, file attributes 0x%lx \
+to open_mode 0x%x\n", (unsigned long)*desired_access, (unsigned long)share_access,
+ (unsigned long)file_attributes, smb_open_mode ));
+
+ return smb_open_mode;
}
/****************************************************************************
Reply to an NT create and X call on a pipe.
****************************************************************************/
+
static int nt_open_pipe(char *fname, connection_struct *conn,
char *inbuf, char *outbuf, int *ppnum)
{
- pipes_struct *p = NULL;
+ smb_np_struct *p = NULL;
uint16 vuid = SVAL(inbuf, smb_uid);
int i;
DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
/* See if it is one we want to handle. */
+
+ if (lp_disable_spoolss() && strequal(fname, "\\spoolss"))
+ return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
+
for( i = 0; known_nt_pipes[i]; i++ )
if( strequal(fname,known_nt_pipes[i]))
break;
- /*
- * HACK alert.... see above - JRA.
- */
-
- if(fail_next_srvsvc && (time(NULL) > fail_time + HACK_FAIL_TIME)) {
- fail_next_srvsvc = False;
- fail_time = (time_t)0;
- DEBUG(10,("nt_open_pipe: End of timeout close of \\srvsvc pipe for print fix.\n"));
- }
-
- if(fail_next_srvsvc && strequal(fname, "\\srvsvc")) {
- fail_next_srvsvc = False;
- DEBUG(10,("nt_open_pipe: Deliberately failing open of \\srvsvc pipe for print fix.\n"));
- return(ERROR(ERRSRV,ERRaccess));
- }
-
- /*
- * End hack alert.... see above - JRA.
- */
-
if ( known_nt_pipes[i] == NULL )
- return(ERROR(ERRSRV,ERRaccess));
+ return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
/* Strip \\ off the name. */
fname++;
p = open_rpc_pipe_p(fname, conn, vuid);
if (!p)
- return(ERROR(ERRSRV,ERRnofids));
+ return(ERROR_DOS(ERRSRV,ERRnofids));
*ppnum = p->pnum;
return 0;
}
+/****************************************************************************
+ Reply to an NT create and X call for pipes.
+****************************************************************************/
+
+static int do_ntcreate_pipe_open(connection_struct *conn,
+ char *inbuf,char *outbuf,int length,int bufsize)
+{
+ pstring fname;
+ int ret;
+ int pnum = -1;
+ char *p = NULL;
+
+ srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
+
+ if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
+ return ret;
+
+ /*
+ * Deal with pipe return.
+ */
+
+ set_message(outbuf,34,0,True);
+
+ p = outbuf + smb_vwv2;
+ p++;
+ SSVAL(p,0,pnum);
+ p += 2;
+ SIVAL(p,0,FILE_WAS_OPENED);
+ p += 4;
+ p += 32;
+ SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
+ p += 20;
+ /* File type. */
+ SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
+ /* Device state. */
+ SSVAL(p,2, 0x5FF); /* ? */
+
+ DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
+
+ return chain_reply(inbuf,outbuf,length,bufsize);
+}
+
/****************************************************************************
Reply to an NT create and X call.
****************************************************************************/
int reply_ntcreate_and_X(connection_struct *conn,
char *inbuf,char *outbuf,int length,int bufsize)
{
+ int result;
pstring fname;
uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
- uint32 fname_len = MIN(((uint32)SVAL(inbuf,smb_ntcreate_NameLength)),
- ((uint32)sizeof(fname)-1));
uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
int smb_ofun;
int smb_open_mode;
/* Breakout the oplock request bits so we can set the
reply bits separately. */
int oplock_request = 0;
- mode_t unixmode;
- int pnum = -1;
+ mode_t unixmode;
int fmode=0,rmode=0;
SMB_OFF_T file_len = 0;
SMB_STRUCT_STAT sbuf;
BOOL bad_path = False;
files_struct *fsp=NULL;
char *p = NULL;
+ time_t c_time;
+ START_PROFILE(SMBntcreateX);
+
+ /* If it's an IPC, use the pipe handler. */
+
+ if (IS_IPC(conn)) {
+ if (lp_nt_pipe_support()) {
+ END_PROFILE(SMBntcreateX);
+ return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
+ } else {
+ END_PROFILE(SMBntcreateX);
+ return(ERROR_DOS(ERRDOS,ERRbadaccess));
+ }
+ }
+
/*
* We need to construct the open_and_X ofun value from the
* NT values, as that's what our code is structured to accept.
*/
- if((smb_ofun = map_create_disposition( create_disposition )) == -1)
- return(ERROR(ERRDOS,ERRbadaccess));
+ if((smb_ofun = map_create_disposition( create_disposition )) == -1) {
+ END_PROFILE(SMBntcreateX);
+ return(ERROR_DOS(ERRDOS,ERRbadaccess));
+ }
/*
* Get the file name.
*/
- if(root_dir_fid != 0) {
- /*
- * This filename is relative to a directory fid.
- */
- files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
- size_t dir_name_len;
+ if(root_dir_fid != 0) {
+ /*
+ * This filename is relative to a directory fid.
+ */
+ files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
+ size_t dir_name_len;
- if(!dir_fsp || !dir_fsp->is_directory)
- return(ERROR(ERRDOS,ERRbadfid));
+ if(!dir_fsp) {
+ END_PROFILE(SMBntcreateX);
+ return(ERROR_DOS(ERRDOS,ERRbadfid));
+ }
- /*
- * Copy in the base directory name.
- */
+ if(!dir_fsp->is_directory) {
- pstrcpy( fname, dir_fsp->fsp_name );
- dir_name_len = strlen(fname);
+ srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
- /*
- * Ensure it ends in a '\'.
- */
+ /*
+ * Check to see if this is a mac fork of some kind.
+ */
- if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') {
- pstrcat(fname, "\\");
- dir_name_len++;
- }
+ if( strchr_m(fname, ':')) {
+ END_PROFILE(SMBntcreateX);
+ return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
+ }
+ END_PROFILE(SMBntcreateX);
+ return(ERROR_DOS(ERRDOS,ERRbadfid));
+ }
- if(fname_len + dir_name_len >= sizeof(pstring))
- return(ERROR(ERRSRV,ERRfilespecs));
+ /*
+ * Copy in the base directory name.
+ */
- get_filename(&fname[dir_name_len], inbuf, smb_buf(inbuf)-inbuf,
- smb_buflen(inbuf),fname_len);
-#if 0
- StrnCpy(&fname[dir_name_len], smb_buf(inbuf),fname_len);
- fname[dir_name_len+fname_len] = '\0';
-#endif
+ pstrcpy( fname, dir_fsp->fsp_name );
+ dir_name_len = strlen(fname);
- } else {
-
- get_filename(fname, inbuf, smb_buf(inbuf)-inbuf,
- smb_buflen(inbuf),fname_len);
+ /*
+ * Ensure it ends in a '\'.
+ */
-#if 0
- StrnCpy(fname,smb_buf(inbuf),fname_len);
- fname[fname_len] = '\0';
-#endif
- }
-
- /* If it's an IPC, use the pipe handler. */
+ if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') {
+ pstrcat(fname, "\\");
+ dir_name_len++;
+ }
- if (IS_IPC(conn) && lp_nt_pipe_support() && lp_security() != SEC_SHARE)
- {
- int ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum);
- if(ret != 0)
- return ret;
+ srvstr_pull_buf(inbuf, &fname[dir_name_len], smb_buf(inbuf), sizeof(fname)-dir_name_len, STR_TERMINATE);
+ } else {
+ srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
- /*
- * Deal with pipe return.
- */
+ /*
+ * Check to see if this is a mac fork of some kind.
+ */
- set_message(outbuf,34,0,True);
-
- p = outbuf + smb_vwv2;
- p++;
- SSVAL(p,0,pnum);
- p += 2;
- SIVAL(p,0,FILE_WAS_OPENED);
- p += 4;
- p += 32;
- SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
- p += 20;
- /* File type. */
- SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
- /* Device state. */
- SSVAL(p,2, 0x5FF); /* ? */
-
- DEBUG(5,("reply_ntcreate_and_X: open pipe = %s\n", fname));
-
- return chain_reply(inbuf,outbuf,length,bufsize);
+ if( strchr_m(fname, ':')) {
+ END_PROFILE(SMBntcreateX);
+ return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
+ }
}
-
+
/*
* Now contruct the smb_open_mode value from the filename,
- * desired access and the share access.
+ * desired access and the share access.
*/
-
- if((smb_open_mode = map_share_mode(fname, desired_access,
+ RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
+
+ if((smb_open_mode = map_share_mode(fname, create_options, &desired_access,
share_access,
file_attributes)) == -1) {
- return(ERROR(ERRDOS,ERRbadaccess));
+ END_PROFILE(SMBntcreateX);
+ return ERROR_DOS(ERRDOS,ERRbadaccess);
+ }
+
+ oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
+ if (oplock_request) {
+ oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
}
/*
set_posix_case_semantics(file_attributes);
- unix_convert(fname,conn,0,&bad_path,NULL);
-
- fsp = file_new();
- if (!fsp) {
- restore_case_semantics(file_attributes);
- return(ERROR(ERRSRV,ERRnofids));
- }
-
- if (!check_name(fname,conn)) {
- if((errno == ENOENT) && bad_path) {
- unix_ERR_class = ERRDOS;
- unix_ERR_code = ERRbadpath;
- }
- file_free(fsp);
-
- restore_case_semantics(file_attributes);
-
- return(UNIXERROR(ERRDOS,ERRnoaccess));
- }
+ unix_convert(fname,conn,0,&bad_path,&sbuf);
- unixmode = unix_mode(conn,smb_attr | aARCH);
+ unixmode = unix_mode(conn,smb_attr | aARCH, fname);
- oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
- oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
-
/*
* If it's a request for a directory open, deal with it separately.
*/
if(create_options & FILE_DIRECTORY_FILE) {
oplock_request = 0;
- open_directory(fsp, conn, fname, smb_ofun, unixmode,
- &smb_action);
+ fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
restore_case_semantics(file_attributes);
- if(!fsp->open) {
- file_free(fsp);
+ if(!fsp) {
+ set_bad_path_error(errno, bad_path);
+ END_PROFILE(SMBntcreateX);
return(UNIXERROR(ERRDOS,ERRnoaccess));
}
} else {
* before issuing an oplock break request to
* our client. JRA. */
- open_file_shared(fsp,conn,fname,smb_open_mode,
- smb_ofun,unixmode,
- oplock_request,&rmode,&smb_action);
+ fsp = open_file_shared1(conn,fname,&sbuf,
+ desired_access,
+ smb_open_mode,
+ smb_ofun,unixmode, oplock_request,
+ &rmode,&smb_action);
- if (!fsp->open) {
- /* We cheat here. The only case we
- * care about is a directory rename,
+ if (!fsp) {
+ /* We cheat here. There are two cases we
+ * care about. One is a directory rename,
* where the NT client will attempt to
* open the source directory for
* DELETE access. Note that when the
* will generate an EISDIR error, so
* we can catch this here and open a
* pseudo handle that is flagged as a
- * directory. JRA. */
+ * directory. The second is an open
+ * for a permissions read only, which
+ * we handle in the open_file_stat case. JRA.
+ */
if(errno == EISDIR) {
+
+ /*
+ * Fail the open if it was explicitly a non-directory file.
+ */
+
+ if (create_options & FILE_NON_DIRECTORY_FILE) {
+ restore_case_semantics(file_attributes);
+ SSVAL(outbuf, smb_flg2,
+ SVAL(outbuf,smb_flg2) | FLAGS2_32_BIT_ERROR_CODES);
+ END_PROFILE(SMBntcreateX);
+ return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
+ }
+
oplock_request = 0;
+ fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
- open_directory(fsp, conn, fname,
- smb_ofun, unixmode,
- &smb_action);
-
- if(!fsp->open) {
- file_free(fsp);
+ if(!fsp) {
restore_case_semantics(file_attributes);
+ set_bad_path_error(errno, bad_path);
+ END_PROFILE(SMBntcreateX);
return(UNIXERROR(ERRDOS,ERRnoaccess));
}
} else {
- if((errno == ENOENT) && bad_path) {
- unix_ERR_class = ERRDOS;
- unix_ERR_code = ERRbadpath;
- }
-
- file_free(fsp);
-
+
restore_case_semantics(file_attributes);
-
+ set_bad_path_error(errno, bad_path);
+ END_PROFILE(SMBntcreateX);
return(UNIXERROR(ERRDOS,ERRnoaccess));
}
}
}
- if(fsp->is_directory) {
- if(fsp->conn->vfs_ops.stat(dos_to_unix(fsp->fsp_name, False),
- &sbuf) != 0) {
- close_directory(fsp);
- restore_case_semantics(file_attributes);
- return(ERROR(ERRDOS,ERRnoaccess));
- }
- } else {
- if (fsp->conn->vfs_ops.fstat(fsp->fd_ptr->fd,&sbuf)
- != 0) {
- close_file(fsp,False);
- restore_case_semantics(file_attributes);
- return(ERROR(ERRDOS,ERRnoaccess));
- }
- }
-
restore_case_semantics(file_attributes);
file_len = sbuf.st_size;
fmode = FILE_ATTRIBUTE_NORMAL;
if (!fsp->is_directory && (fmode & aDIR)) {
close_file(fsp,False);
- return(ERROR(ERRDOS,ERRnoaccess));
+ END_PROFILE(SMBntcreateX);
+ return ERROR_DOS(ERRDOS,ERRnoaccess);
}
/*
if (oplock_request && lp_fake_oplocks(SNUM(conn)))
smb_action |= EXTENDED_OPLOCK_GRANTED;
- if(oplock_request && fsp->granted_oplock)
+ if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
smb_action |= EXTENDED_OPLOCK_GRANTED;
-
+
+#if 0
+ /* W2K sends back 42 words here ! If we do the same it breaks offline sync. Go figure... ? JRA. */
+ set_message(outbuf,42,0,True);
+#else
set_message(outbuf,34,0,True);
+#endif
p = outbuf + smb_vwv2;
* Currently as we don't support level II oplocks we just report
* exclusive & batch here.
*/
+
+ if (smb_action & EXTENDED_OPLOCK_GRANTED) {
+ if (flags & REQUEST_BATCH_OPLOCK) {
+ SCVAL(p,0, BATCH_OPLOCK_RETURN);
+ } else {
+ SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
+ }
+ } else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type)) {
+ SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
+ } else {
+ SCVAL(p,0,NO_OPLOCK_RETURN);
+ }
- SCVAL(p,0, (smb_action & EXTENDED_OPLOCK_GRANTED ? 1 : 0));
p++;
SSVAL(p,0,fsp->fnum);
p += 2;
p += 4;
/* Create time. */
- put_long_date(p,get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn))));
+ c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
+
+ if (lp_dos_filetime_resolution(SNUM(conn))) {
+ c_time &= ~1;
+ sbuf.st_atime &= ~1;
+ sbuf.st_mtime &= ~1;
+ sbuf.st_mtime &= ~1;
+ }
+
+ put_long_date(p,c_time);
p += 8;
put_long_date(p,sbuf.st_atime); /* access time */
p += 8;
p += 8;
SIVAL(p,0,fmode); /* File Attributes. */
p += 4;
- SOFF_T(p, 0, file_len);
+ SOFF_T(p, 0, get_allocation_size(&sbuf));
p += 8;
SOFF_T(p,0,file_len);
p += 12;
DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
- return chain_reply(inbuf,outbuf,length,bufsize);
+ result = chain_reply(inbuf,outbuf,length,bufsize);
+ END_PROFILE(SMBntcreateX);
+ return result;
}
/****************************************************************************
- Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
+ Reply to a NT_TRANSACT_CREATE call to open a pipe.
****************************************************************************/
-static int call_nt_transact_create(connection_struct *conn,
- char *inbuf, char *outbuf, int length,
- int bufsize,
- char **ppsetup, char **ppparams,
- char **ppdata)
+
+static int do_nt_transact_create_pipe( connection_struct *conn,
+ char *inbuf, char *outbuf, int length,
+ int bufsize, char **ppsetup, char **ppparams,
+ char **ppdata)
{
- pstring fname;
- char *params = *ppparams;
- uint32 flags = IVAL(params,0);
- uint32 desired_access = IVAL(params,8);
- uint32 file_attributes = IVAL(params,20);
- uint32 share_access = IVAL(params,24);
- uint32 create_disposition = IVAL(params,28);
- uint32 create_options = IVAL(params,32);
- uint32 fname_len = MIN(((uint32)IVAL(params,44)),
- ((uint32)sizeof(fname)-1));
- uint16 root_dir_fid = (uint16)IVAL(params,4);
- int smb_ofun;
- int smb_open_mode;
- int smb_attr = (file_attributes & SAMBA_ATTRIBUTES_MASK);
- /* Breakout the oplock request bits so we can set the
- reply bits separately. */
- int oplock_request = 0;
- mode_t unixmode;
- int pnum = -1;
- int fmode=0,rmode=0;
- SMB_OFF_T file_len = 0;
- SMB_STRUCT_STAT sbuf;
- int smb_action = 0;
- BOOL bad_path = False;
- files_struct *fsp = NULL;
- char *p = NULL;
-
- /*
- * We need to construct the open_and_X ofun value from the
- * NT values, as that's what our code is structured to accept.
- */
-
- if((smb_ofun = map_create_disposition( create_disposition )) == -1)
- return(ERROR(ERRDOS,ERRbadaccess));
-
- /*
- * Get the file name.
- */
-
- if(root_dir_fid != 0) {
- /*
- * This filename is relative to a directory fid.
- */
-
- files_struct *dir_fsp = file_fsp(params,4);
- size_t dir_name_len;
-
- if(!dir_fsp || !dir_fsp->is_directory)
- return(ERROR(ERRDOS,ERRbadfid));
-
- /*
- * Copy in the base directory name.
- */
-
- pstrcpy( fname, dir_fsp->fsp_name );
- dir_name_len = strlen(fname);
-
- /*
- * Ensure it ends in a '\'.
- */
-
- if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
- pstrcat(fname, "\\");
- dir_name_len++;
- }
-
- if(fname_len + dir_name_len >= sizeof(pstring))
- return(ERROR(ERRSRV,ERRfilespecs));
-
- StrnCpy(&fname[dir_name_len], params+53, fname_len);
- fname[dir_name_len+fname_len] = '\0';
-
- } else {
- StrnCpy(fname,params+53,fname_len);
- fname[fname_len] = '\0';
- }
-
- /* If it's an IPC, use the pipe handler. */
- if (IS_IPC(conn)) {
- int ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum);
- if(ret != 0)
- return ret;
- smb_action = FILE_WAS_OPENED;
- } else {
- /*
- * Check if POSIX semantics are wanted.
- */
-
- set_posix_case_semantics(file_attributes);
-
- unix_convert(fname,conn,0,&bad_path,NULL);
-
- fsp = file_new();
- if (!fsp) {
- restore_case_semantics(file_attributes);
- return(ERROR(ERRSRV,ERRnofids));
- }
-
- if (!check_name(fname,conn)) {
- if((errno == ENOENT) && bad_path) {
- unix_ERR_class = ERRDOS;
- unix_ERR_code = ERRbadpath;
- }
- file_free(fsp);
-
- restore_case_semantics(file_attributes);
-
- return(UNIXERROR(ERRDOS,ERRnoaccess));
- }
-
- unixmode = unix_mode(conn,smb_attr | aARCH);
-
- oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
- oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
+ pstring fname;
+ int total_parameter_count = (int)IVAL(inbuf, smb_nt_TotalParameterCount);
+ char *params = *ppparams;
+ int ret;
+ int pnum = -1;
+ char *p = NULL;
- /*
- * Now contruct the smb_open_mode value from the desired access
- * and the share access.
- */
+ /*
+ * Ensure minimum number of parameters sent.
+ */
- if((smb_open_mode = map_share_mode( fname, desired_access, share_access, file_attributes)) == -1)
- return(ERROR(ERRDOS,ERRbadaccess));
+ if(total_parameter_count < 54) {
+ DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)total_parameter_count));
+ return ERROR_DOS(ERRDOS,ERRbadaccess);
+ }
- /*
- * If it's a request for a directory open, deal with it separately.
- */
+ srvstr_pull(inbuf, fname, params+53, sizeof(fname), total_parameter_count-53, STR_TERMINATE);
- if(create_options & FILE_DIRECTORY_FILE) {
+ if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
+ return ret;
+
+ /* Realloc the size of parameters and data we will return */
+ params = Realloc(*ppparams, 69);
+ if(params == NULL)
+ return ERROR_DOS(ERRDOS,ERRnomem);
+
+ *ppparams = params;
+
+ memset((char *)params,'\0',69);
+
+ p = params;
+ SCVAL(p,0,NO_OPLOCK_RETURN);
+
+ p += 2;
+ SSVAL(p,0,pnum);
+ p += 2;
+ SIVAL(p,0,FILE_WAS_OPENED);
+ p += 8;
+
+ p += 32;
+ SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
+ p += 20;
+ /* File type. */
+ SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
+ /* Device state. */
+ SSVAL(p,2, 0x5FF); /* ? */
+
+ DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
+
+ /* Send the required number of replies */
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
+
+ return -1;
+}
- oplock_request = 0;
+/****************************************************************************
+ Internal fn to set security descriptors.
+****************************************************************************/
- /*
- * We will get a create directory here if the Win32
- * app specified a security descriptor in the
- * CreateDirectory() call.
- */
+static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
+{
+ prs_struct pd;
+ SEC_DESC *psd = NULL;
+ TALLOC_CTX *mem_ctx;
+ BOOL ret;
+
+ if (sd_len == 0) {
+ return NT_STATUS_OK;
+ }
- open_directory(fsp, conn, fname, smb_ofun, unixmode, &smb_action);
+ /*
+ * Init the parse struct we will unmarshall from.
+ */
- if(!fsp->open) {
- file_free(fsp);
- return(UNIXERROR(ERRDOS,ERRnoaccess));
- }
- } else {
+ if ((mem_ctx = talloc_init()) == NULL) {
+ DEBUG(0,("set_sd: talloc_init failed.\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
- /*
- * Ordinary file case.
- */
+ prs_init(&pd, 0, mem_ctx, UNMARSHALL);
- open_file_shared(fsp,conn,fname,smb_open_mode,smb_ofun,
- unixmode,oplock_request,&rmode,&smb_action);
+ /*
+ * Setup the prs_struct to point at the memory we just
+ * allocated.
+ */
+
+ prs_give_memory( &pd, data, sd_len, False);
- if (!fsp->open) {
- if((errno == ENOENT) && bad_path) {
- unix_ERR_class = ERRDOS;
- unix_ERR_code = ERRbadpath;
- }
- file_free(fsp);
+ /*
+ * Finally, unmarshall from the data buffer.
+ */
- restore_case_semantics(file_attributes);
+ if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
+ DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
+ /*
+ * Return access denied for want of a better error message..
+ */
+ talloc_destroy(mem_ctx);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (psd->off_owner_sid==0)
+ security_info_sent &= ~OWNER_SECURITY_INFORMATION;
+ if (psd->off_grp_sid==0)
+ security_info_sent &= ~GROUP_SECURITY_INFORMATION;
+ if (psd->off_sacl==0)
+ security_info_sent &= ~SACL_SECURITY_INFORMATION;
+ if (psd->off_dacl==0)
+ security_info_sent &= ~DACL_SECURITY_INFORMATION;
+
+ ret = fsp->conn->vfs_ops.fset_nt_acl( fsp, fsp->fd, security_info_sent, psd);
+
+ if (!ret) {
+ talloc_destroy(mem_ctx);
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ talloc_destroy(mem_ctx);
+
+ return NT_STATUS_OK;
+}
- return(UNIXERROR(ERRDOS,ERRnoaccess));
- }
-
- if (fsp->conn->vfs_ops.fstat(fsp->fd_ptr->fd,&sbuf) != 0) {
- close_file(fsp,False);
+/****************************************************************************
+ Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
+****************************************************************************/
- restore_case_semantics(file_attributes);
+static int call_nt_transact_create(connection_struct *conn,
+ char *inbuf, char *outbuf, int length,
+ int bufsize, char **ppsetup, char **ppparams,
+ char **ppdata)
+{
+ pstring fname;
+ char *params = *ppparams;
+ char *data = *ppdata;
+ int total_parameter_count = (int)IVAL(inbuf, smb_nt_TotalParameterCount);
+ /* Breakout the oplock request bits so we can set the reply bits separately. */
+ int oplock_request = 0;
+ mode_t unixmode;
+ int fmode=0,rmode=0;
+ SMB_OFF_T file_len = 0;
+ SMB_STRUCT_STAT sbuf;
+ int smb_action = 0;
+ BOOL bad_path = False;
+ files_struct *fsp = NULL;
+ char *p = NULL;
+ uint32 flags;
+ uint32 desired_access;
+ uint32 file_attributes;
+ uint32 share_access;
+ uint32 create_disposition;
+ uint32 create_options;
+ uint32 sd_len;
+ uint16 root_dir_fid;
+ int smb_ofun;
+ int smb_open_mode;
+ int smb_attr;
+ time_t c_time;
+ NTSTATUS nt_status;
+
+ DEBUG(5,("call_nt_transact_create\n"));
+
+ /*
+ * If it's an IPC, use the pipe handler.
+ */
- return(ERROR(ERRDOS,ERRnoaccess));
- }
+ if (IS_IPC(conn)) {
+ if (lp_nt_pipe_support())
+ return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
+ bufsize, ppsetup, ppparams, ppdata);
+ else
+ return ERROR_DOS(ERRDOS,ERRbadaccess);
+ }
+
+ /*
+ * Ensure minimum number of parameters sent.
+ */
+
+ if(total_parameter_count < 54) {
+ DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)total_parameter_count));
+ return ERROR_DOS(ERRDOS,ERRbadaccess);
+ }
+
+ flags = IVAL(params,0);
+ desired_access = IVAL(params,8);
+ file_attributes = IVAL(params,20);
+ share_access = IVAL(params,24);
+ create_disposition = IVAL(params,28);
+ create_options = IVAL(params,32);
+ sd_len = IVAL(params,36);
+ root_dir_fid = (uint16)IVAL(params,4);
+ smb_attr = (file_attributes & SAMBA_ATTRIBUTES_MASK);
+
+ /*
+ * We need to construct the open_and_X ofun value from the
+ * NT values, as that's what our code is structured to accept.
+ */
+
+ if((smb_ofun = map_create_disposition( create_disposition )) == -1)
+ return ERROR_DOS(ERRDOS,ERRbadmem);
+
+ /*
+ * Get the file name.
+ */
+
+ if(root_dir_fid != 0) {
+ /*
+ * This filename is relative to a directory fid.
+ */
+
+ files_struct *dir_fsp = file_fsp(params,4);
+ size_t dir_name_len;
+
+ if(!dir_fsp)
+ return ERROR_DOS(ERRDOS,ERRbadfid);
+
+ if(!dir_fsp->is_directory) {
+
+ srvstr_pull(inbuf, fname, params+53, sizeof(fname), total_parameter_count-53, STR_TERMINATE);
+
+ /*
+ * Check to see if this is a mac fork of some kind.
+ */
+
+ if( strchr_m(fname, ':'))
+ return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
+
+ return ERROR_DOS(ERRDOS,ERRbadfid);
+ }
+
+ /*
+ * Copy in the base directory name.
+ */
+
+ pstrcpy( fname, dir_fsp->fsp_name );
+ dir_name_len = strlen(fname);
+
+ /*
+ * Ensure it ends in a '\'.
+ */
+
+ if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
+ pstrcat(fname, "\\");
+ dir_name_len++;
+ }
+
+ srvstr_pull(inbuf, &fname[dir_name_len], params+53, sizeof(fname)-dir_name_len,
+ total_parameter_count-53, STR_TERMINATE);
+ } else {
+ srvstr_pull(inbuf, fname, params+53, sizeof(fname), total_parameter_count-53, STR_TERMINATE);
+
+ /*
+ * Check to see if this is a mac fork of some kind.
+ */
+
+ if( strchr_m(fname, ':'))
+ return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
+ }
+
+ /*
+ * Now contruct the smb_open_mode value from the desired access
+ * and the share access.
+ */
+
+ if((smb_open_mode = map_share_mode( fname, create_options, &desired_access,
+ share_access, file_attributes)) == -1)
+ return ERROR_DOS(ERRDOS,ERRbadaccess);
+
+ oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
+ oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
+
+ /*
+ * Check if POSIX semantics are wanted.
+ */
+
+ set_posix_case_semantics(file_attributes);
+
+ RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
+
+ unix_convert(fname,conn,0,&bad_path,&sbuf);
+
+ unixmode = unix_mode(conn,smb_attr | aARCH, fname);
+
+ /*
+ * If it's a request for a directory open, deal with it separately.
+ */
+
+ if(create_options & FILE_DIRECTORY_FILE) {
+
+ oplock_request = 0;
+
+ /*
+ * We will get a create directory here if the Win32
+ * app specified a security descriptor in the
+ * CreateDirectory() call.
+ */
+
+ fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
+
+ if(!fsp) {
+ restore_case_semantics(file_attributes);
+ set_bad_path_error(errno, bad_path);
+ return(UNIXERROR(ERRDOS,ERRnoaccess));
+ }
+
+ } else {
+
+ /*
+ * Ordinary file case.
+ */
+
+ fsp = open_file_shared1(conn,fname,&sbuf,desired_access,
+ smb_open_mode,smb_ofun,unixmode,
+ oplock_request,&rmode,&smb_action);
+
+ if (!fsp) {
+
+ if(errno == EISDIR) {
+
+ /*
+ * Fail the open if it was explicitly a non-directory file.
+ */
+
+ if (create_options & FILE_NON_DIRECTORY_FILE) {
+ restore_case_semantics(file_attributes);
+ SSVAL(outbuf, smb_flg2, SVAL(outbuf,smb_flg2) | FLAGS2_32_BIT_ERROR_CODES);
+ return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
+ }
+
+ oplock_request = 0;
+ fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
+
+ if(!fsp) {
+ restore_case_semantics(file_attributes);
+ set_bad_path_error(errno, bad_path);
+ return(UNIXERROR(ERRDOS,ERRnoaccess));
+ }
+ } else {
+ restore_case_semantics(file_attributes);
+ set_bad_path_error(errno, bad_path);
+ return(UNIXERROR(ERRDOS,ERRnoaccess));
+ }
+ }
- file_len = sbuf.st_size;
- fmode = dos_mode(conn,fname,&sbuf);
- if(fmode == 0)
- fmode = FILE_ATTRIBUTE_NORMAL;
-
- if (fmode & aDIR) {
- close_file(fsp,False);
- restore_case_semantics(file_attributes);
- return(ERROR(ERRDOS,ERRnoaccess));
- }
-
- /*
- * If the caller set the extended oplock request bit
- * and we granted one (by whatever means) - set the
- * correct bit for extended oplock reply.
- */
+ file_len = sbuf.st_size;
+ fmode = dos_mode(conn,fname,&sbuf);
+ if(fmode == 0)
+ fmode = FILE_ATTRIBUTE_NORMAL;
+
+ if (fmode & aDIR) {
+ close_file(fsp,False);
+ restore_case_semantics(file_attributes);
+ return ERROR_DOS(ERRDOS,ERRnoaccess);
+ }
+
+ /*
+ * If the caller set the extended oplock request bit
+ * and we granted one (by whatever means) - set the
+ * correct bit for extended oplock reply.
+ */
- if (oplock_request && lp_fake_oplocks(SNUM(conn)))
- smb_action |= EXTENDED_OPLOCK_GRANTED;
+ if (oplock_request && lp_fake_oplocks(SNUM(conn)))
+ smb_action |= EXTENDED_OPLOCK_GRANTED;
- if(oplock_request && fsp->granted_oplock)
- smb_action |= EXTENDED_OPLOCK_GRANTED;
- }
- }
-
- restore_case_semantics(file_attributes);
-
- /* Realloc the size of parameters and data we will return */
- params = *ppparams = Realloc(*ppparams, 69);
- if(params == NULL)
- return(ERROR(ERRDOS,ERRnomem));
-
- p = params;
- SCVAL(p,0, (smb_action & EXTENDED_OPLOCK_GRANTED ? 1 : 0));
- p += 2;
- if (IS_IPC(conn)) {
- SSVAL(p,0,pnum);
- } else {
- SSVAL(p,0,fsp->fnum);
- }
- p += 2;
- SIVAL(p,0,smb_action);
- p += 8;
-
- if (IS_IPC(conn)) {
- /*
- * Deal with pipe return.
- */
- p += 32;
- SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
- p += 20;
- /* File type. */
- SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
- /* Device state. */
- SSVAL(p,2, 0x5FF); /* ? */
- } else {
- /*
- * Deal with file return.
- */
- /* Create time. */
- put_long_date(p,get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn))));
- p += 8;
- put_long_date(p,sbuf.st_atime); /* access time */
- p += 8;
- put_long_date(p,sbuf.st_mtime); /* write time */
- p += 8;
- put_long_date(p,sbuf.st_mtime); /* change time */
- p += 8;
- SIVAL(p,0,fmode); /* File Attributes. */
- p += 4;
- SOFF_T(p,0,file_len);
- p += 8;
- SOFF_T(p,0,file_len);
- }
-
- /* Send the required number of replies */
- send_nt_replies(outbuf, bufsize, params, 69, *ppdata, 0);
-
- return -1;
+ if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
+ smb_action |= EXTENDED_OPLOCK_GRANTED;
+ }
+
+ /*
+ * Now try and apply the desired SD.
+ */
+
+ if (sd_len && !NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION))) {
+ close_file(fsp,False);
+ restore_case_semantics(file_attributes);
+ return ERROR_NT(nt_status);
+ }
+
+ restore_case_semantics(file_attributes);
+
+ /* Realloc the size of parameters and data we will return */
+ params = Realloc(*ppparams, 69);
+ if(params == NULL)
+ return ERROR_DOS(ERRDOS,ERRnomem);
+
+ *ppparams = params;
+
+ memset((char *)params,'\0',69);
+
+ p = params;
+ if (smb_action & EXTENDED_OPLOCK_GRANTED)
+ SCVAL(p,0, BATCH_OPLOCK_RETURN);
+ else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type))
+ SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
+ else
+ SCVAL(p,0,NO_OPLOCK_RETURN);
+
+ p += 2;
+ SSVAL(p,0,fsp->fnum);
+ p += 2;
+ SIVAL(p,0,smb_action);
+ p += 8;
+
+ /* Create time. */
+ c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
+
+ if (lp_dos_filetime_resolution(SNUM(conn))) {
+ c_time &= ~1;
+ sbuf.st_atime &= ~1;
+ sbuf.st_mtime &= ~1;
+ sbuf.st_mtime &= ~1;
+ }
+
+ put_long_date(p,c_time);
+ p += 8;
+ put_long_date(p,sbuf.st_atime); /* access time */
+ p += 8;
+ put_long_date(p,sbuf.st_mtime); /* write time */
+ p += 8;
+ put_long_date(p,sbuf.st_mtime); /* change time */
+ p += 8;
+ SIVAL(p,0,fmode); /* File Attributes. */
+ p += 4;
+ SOFF_T(p, 0, get_allocation_size(&sbuf));
+ p += 8;
+ SOFF_T(p,0,file_len);
+
+ DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
+
+ /* Send the required number of replies */
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
+
+ return -1;
}
/****************************************************************************
Reply to a NT CANCEL request.
****************************************************************************/
+
int reply_ntcancel(connection_struct *conn,
char *inbuf,char *outbuf,int length,int bufsize)
{
*/
int mid = SVAL(inbuf,smb_mid);
+ START_PROFILE(SMBntcancel);
remove_pending_change_notify_requests_by_mid(mid);
remove_pending_lock_requests_by_mid(mid);
DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
+ END_PROFILE(SMBntcancel);
return(-1);
}
/****************************************************************************
Reply to an unsolicited SMBNTtranss - just ignore it!
****************************************************************************/
+
int reply_nttranss(connection_struct *conn,
char *inbuf,char *outbuf,int length,int bufsize)
{
+ START_PROFILE(SMBnttranss);
DEBUG(4,("Ignoring nttranss of length %d\n",length));
+ END_PROFILE(SMBnttranss);
return(-1);
}
/****************************************************************************
- Reply to an NT transact rename command.
+ Reply to a notify change - queue the request and
+ don't allow a directory to be opened.
****************************************************************************/
-static int call_nt_transact_rename(connection_struct *conn,
- char *inbuf, char *outbuf, int length,
- int bufsize,
- char **ppsetup, char **ppparams, char **ppdata)
-{
- char *params = *ppparams;
- pstring new_name;
- files_struct *fsp = file_fsp(params, 0);
- BOOL replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
- uint32 fname_len = MIN((((uint32)IVAL(inbuf,smb_nt_TotalParameterCount)-4)),
- ((uint32)sizeof(new_name)-1));
- int outsize = 0;
-
- CHECK_FSP(fsp, conn);
- StrnCpy(new_name,params+4,fname_len);
- new_name[fname_len] = '\0';
-
- outsize = rename_internals(conn, inbuf, outbuf, fsp->fsp_name,
- new_name, replace_if_exists);
- if(outsize == 0) {
- /*
- * Rename was successful.
- */
- send_nt_replies(outbuf, bufsize, NULL, 0, NULL, 0);
-
- DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
- fsp->fsp_name, new_name));
-
- outsize = -1;
- }
-
- return(outsize);
-}
-
-/****************************************************************************
- This is the structure to queue to implement NT change
- notify. It consists of smb_size bytes stored from the
- transact command (to keep the mid, tid etc around).
- Plus the fid to examine and the time to check next.
-*****************************************************************************/
-
-typedef struct {
- ubi_slNode msg_next;
- files_struct *fsp;
- connection_struct *conn;
- time_t next_check_time;
- time_t modify_time; /* Info from the directory we're monitoring. */
- time_t status_time; /* Info from the directory we're monitoring. */
- char request_buf[smb_size];
-} change_notify_buf;
-
-static ubi_slList change_notify_queue = { NULL, (ubi_slNodePtr)&change_notify_queue, 0};
-
-/****************************************************************************
- Setup the common parts of the return packet and send it.
-*****************************************************************************/
-static void change_notify_reply_packet(char *inbuf, int error_class, uint32 error_code)
+static int call_nt_transact_notify_change(connection_struct *conn,
+ char *inbuf, char *outbuf, int length,
+ int bufsize,
+ char **ppsetup,
+ char **ppparams, char **ppdata)
{
- extern int Client;
- char outbuf[smb_size+38];
+ char *setup = *ppsetup;
+ files_struct *fsp;
+ uint32 flags;
- memset(outbuf, '\0', sizeof(outbuf));
- construct_reply_common(inbuf, outbuf);
+ fsp = file_fsp(setup,4);
+ flags = IVAL(setup, 0);
- /*
- * If we're returning a 'too much in the directory changed' we need to
- * set this is an NT error status flags. If we don't then the (probably
- * untested) code in the NT redirector has a bug in that it doesn't re-issue
- * the change notify.... Ah - I *love* it when I get so deeply into this I
- * can even determine how MS failed to test stuff and why.... :-). JRA.
- */
+ DEBUG(3,("call_nt_transact_notify_change\n"));
- if(error_class == 0) /* NT Error. */
- SSVAL(outbuf,smb_flg2, SVAL(outbuf,smb_flg2) | FLAGS2_32_BIT_ERROR_CODES);
+ if(!fsp)
+ return ERROR_DOS(ERRDOS,ERRbadfid);
- ERROR(error_class,error_code);
+ if((!fsp->is_directory) || (conn != fsp->conn))
+ return ERROR_DOS(ERRDOS,ERRbadfid);
- /*
- * Seems NT needs a transact command with an error code
- * in it. This is a longer packet than a simple error.
- */
- set_message(outbuf,18,0,False);
+ if (!change_notify_set(inbuf, fsp, conn, flags))
+ return(UNIXERROR(ERRDOS,ERRbadfid));
- send_smb(Client,outbuf);
-}
+ DEBUG(3,("call_nt_transact_notify_change: notify change called on directory \
+name = %s\n", fsp->fsp_name ));
-/****************************************************************************
- Delete entries by fnum from the change notify pending queue.
-*****************************************************************************/
-void remove_pending_change_notify_requests_by_fid(files_struct *fsp)
-{
- change_notify_buf *cnbp = (change_notify_buf *)ubi_slFirst( &change_notify_queue );
- change_notify_buf *prev = NULL;
-
- while(cnbp != NULL) {
- if(cnbp->fsp->fnum == fsp->fnum) {
- free((char *)ubi_slRemNext( &change_notify_queue, prev));
- cnbp = (change_notify_buf *)(prev ? ubi_slNext(prev) : ubi_slFirst(&change_notify_queue));
- continue;
- }
-
- prev = cnbp;
- cnbp = (change_notify_buf *)ubi_slNext(cnbp);
- }
+ return -1;
}
/****************************************************************************
- Delete entries by mid from the change notify pending queue. Always send reply.
-*****************************************************************************/
+ Reply to an NT transact rename command.
+****************************************************************************/
-static void remove_pending_change_notify_requests_by_mid(int mid)
+static int call_nt_transact_rename(connection_struct *conn,
+ char *inbuf, char *outbuf, int length,
+ int bufsize,
+ char **ppsetup, char **ppparams, char **ppdata)
{
- change_notify_buf *cnbp = (change_notify_buf *)ubi_slFirst( &change_notify_queue );
- change_notify_buf *prev = NULL;
-
- while(cnbp != NULL) {
- if(SVAL(cnbp->request_buf,smb_mid) == mid) {
- change_notify_reply_packet(cnbp->request_buf,0,NT_STATUS_CANCELLED);
- free((char *)ubi_slRemNext( &change_notify_queue, prev));
- cnbp = (change_notify_buf *)(prev ? ubi_slNext(prev) : ubi_slFirst(&change_notify_queue));
- continue;
- }
-
- prev = cnbp;
- cnbp = (change_notify_buf *)ubi_slNext(cnbp);
- }
-}
+ char *params = *ppparams;
+ pstring new_name;
+ files_struct *fsp = file_fsp(params, 0);
+ BOOL replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
+ NTSTATUS status;
-/****************************************************************************
- Process the change notify queue. Note that this is only called as root.
-*****************************************************************************/
+ CHECK_FSP(fsp, conn);
+ srvstr_pull(inbuf, new_name, params+4, sizeof(new_name), -1, STR_TERMINATE);
-void process_pending_change_notify_queue(time_t t)
-{
- change_notify_buf *cnbp = (change_notify_buf *)ubi_slFirst( &change_notify_queue );
- change_notify_buf *prev = NULL;
-
- if(cnbp == NULL)
- return;
-
- if(cnbp->next_check_time >= t)
- return;
-
- /*
- * It's time to check. Go through the queue and see if
- * the timestamps changed.
- */
-
- while((cnbp != NULL) && (cnbp->next_check_time <= t)) {
- SMB_STRUCT_STAT st;
- files_struct *fsp = cnbp->fsp;
- connection_struct *conn = cnbp->conn;
- uint16 vuid = (lp_security() == SEC_SHARE) ? UID_FIELD_INVALID :
- SVAL(cnbp->request_buf,smb_uid);
-
- /*
- * Ensure we don't have any old chain_fsp values
- * sitting around....
- */
- chain_size = 0;
- file_chain_reset();
-
- if(!become_user(conn,vuid)) {
- DEBUG(0,("process_pending_change_notify_queue: Unable to become user vuid=%d.\n",
- vuid ));
- /*
- * Remove the entry and return an error to the client.
- */
- change_notify_reply_packet(cnbp->request_buf,ERRSRV,ERRaccess);
- free((char *)ubi_slRemNext( &change_notify_queue, prev));
- cnbp = (change_notify_buf *)(prev ? ubi_slNext(prev) : ubi_slFirst(&change_notify_queue));
- continue;
- }
-
- if(!become_service(conn,True)) {
- DEBUG(0,("process_pending_change_notify_queue: Unable to become service Error was %s.\n", strerror(errno) ));
- /*
- * Remove the entry and return an error to the client.
- */
- change_notify_reply_packet(cnbp->request_buf,ERRSRV,ERRaccess);
- free((char *)ubi_slRemNext( &change_notify_queue, prev));
- cnbp = (change_notify_buf *)(prev ? ubi_slNext(prev) : ubi_slFirst(&change_notify_queue));
- unbecome_user();
- continue;
- }
-
- if(fsp->conn->vfs_ops.stat(dos_to_unix(fsp->fsp_name, False), &st) < 0) {
- DEBUG(0,("process_pending_change_notify_queue: Unable to stat directory %s. \
-Error was %s.\n", fsp->fsp_name, strerror(errno) ));
- /*
- * Remove the entry and return an error to the client.
- */
- change_notify_reply_packet(cnbp->request_buf,ERRSRV,ERRaccess);
- free((char *)ubi_slRemNext( &change_notify_queue, prev));
- cnbp = (change_notify_buf *)(prev ? ubi_slNext(prev) : ubi_slFirst(&change_notify_queue));
- unbecome_user();
- continue;
- }
-
- if(cnbp->modify_time != st.st_mtime ||
- cnbp->status_time != st.st_ctime) {
- /*
- * Remove the entry and return a change notify to the client.
- */
- DEBUG(5,("process_pending_change_notify_queue: directory name = %s changed\n",
- fsp->fsp_name ));
- change_notify_reply_packet(cnbp->request_buf,0,NT_STATUS_NOTIFY_ENUM_DIR);
- free((char *)ubi_slRemNext( &change_notify_queue, prev));
- cnbp = (change_notify_buf *)(prev ? ubi_slNext(prev) : ubi_slFirst(&change_notify_queue));
- unbecome_user();
- continue;
- }
-
- unbecome_user();
-
- /*
- * Move to the next in the list.
- */
- prev = cnbp;
- cnbp = (change_notify_buf *)ubi_slNext(cnbp);
- }
-}
+ status = rename_internals(conn, fsp->fsp_name,
+ new_name, replace_if_exists);
+ if (!NT_STATUS_IS_OK(status))
+ return ERROR_NT(status);
-/****************************************************************************
- Reply to a notify change - queue the request and
- don't allow a directory to be opened.
-****************************************************************************/
-static int call_nt_transact_notify_change(connection_struct *conn,
- char *inbuf, char *outbuf, int length,
- int bufsize,
- char **ppsetup,
- char **ppparams, char **ppdata)
-{
- char *setup = *ppsetup;
- files_struct *fsp;
- change_notify_buf *cnbp;
- SMB_STRUCT_STAT st;
-
- fsp = file_fsp(setup,4);
-
- DEBUG(3,("call_nt_transact_notify_change\n"));
-
- if(!fsp)
- return(ERROR(ERRDOS,ERRbadfid));
-
- if((!fsp->open) || (!fsp->is_directory) || (conn != fsp->conn))
- return(ERROR(ERRDOS,ERRbadfid));
-
- /*
- * Now queue an entry on the notify change stack. We timestamp
- * the entry we are adding so that we know when to scan next.
- * We only need to save smb_size bytes from this incoming packet
- * as we will always by returning a 'read the directory yourself'
- * error.
- */
-
- if((cnbp = (change_notify_buf *)malloc(sizeof(change_notify_buf))) == NULL) {
- DEBUG(0,("call_nt_transact_notify_change: Malloc fail (2) !\n" ));
- return -1;
- }
-
- /*
- * Store the current timestamp on the directory we are monitoring.
- */
-
- if(fsp->conn->vfs_ops.stat(dos_to_unix(fsp->fsp_name, False), &st) < 0) {
- DEBUG(0,("call_nt_transact_notify_change: Unable to stat name = %s. \
-Error was %s\n", fsp->fsp_name, strerror(errno) ));
- free((char *)cnbp);
- return(UNIXERROR(ERRDOS,ERRbadfid));
- }
-
- memcpy(cnbp->request_buf, inbuf, smb_size);
- cnbp->fsp = fsp;
- cnbp->conn = conn;
- cnbp->modify_time = st.st_mtime;
- cnbp->status_time = st.st_ctime;
+ /*
+ * Rename was successful.
+ */
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
+
+ DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
+ fsp->fsp_name, new_name));
+
+ /*
+ * Win2k needs a changenotify request response before it will
+ * update after a rename..
+ */
+
+ process_pending_change_notify_queue((time_t)0);
- cnbp->next_check_time = time(NULL) + lp_change_notify_timeout();
+ return -1;
+}
- /*
- * Adding to the tail enables us to check only
- * the head when scanning for change, as this entry
- * is forced to have the first timeout expiration.
- */
+/******************************************************************************
+ Fake up a completely empty SD.
+*******************************************************************************/
- ubi_slAddTail(&change_notify_queue, cnbp);
+static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
+{
+ extern DOM_SID global_sid_World;
+ size_t sd_size;
- DEBUG(3,("call_nt_transact_notify_change: notify change called on directory \
-name = %s\n", fsp->fsp_name ));
+ *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
+ if(!*ppsd) {
+ DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
+ sd_size = 0;
+ }
- return -1;
+ return sd_size;
}
/****************************************************************************
Reply to query a security descriptor - currently this is not implemented (it
- is planned to be though).
+ is planned to be though). Right now it just returns the same thing NT would
+ when queried on a FAT filesystem. JRA.
****************************************************************************/
+
static int call_nt_transact_query_security_desc(connection_struct *conn,
- char *inbuf, char *outbuf,
- int length,
- int bufsize,
+ char *inbuf, char *outbuf,
+ int length, int bufsize,
char **ppsetup, char **ppparams, char **ppdata)
{
- static BOOL logged_message = False;
+ uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
+ char *params = *ppparams;
+ char *data = *ppdata;
+ prs_struct pd;
+ SEC_DESC *psd = NULL;
+ size_t sd_size;
+ TALLOC_CTX *mem_ctx;
+
+ files_struct *fsp = file_fsp(params,0);
+
+ if(!fsp)
+ return ERROR_DOS(ERRDOS,ERRbadfid);
+
+ DEBUG(3,("call_nt_transact_query_security_desc: file = %s\n", fsp->fsp_name ));
+
+ params = Realloc(*ppparams, 4);
+ if(params == NULL)
+ return ERROR_DOS(ERRDOS,ERRnomem);
+
+ *ppparams = params;
+
+ if ((mem_ctx = talloc_init()) == NULL) {
+ DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
+ return ERROR_DOS(ERRDOS,ERRnomem);
+ }
+
+ /*
+ * Get the permissions to return.
+ */
+
+ if (!lp_nt_acl_support(SNUM(conn)))
+ sd_size = get_null_nt_acl(mem_ctx, &psd);
+ else
+ sd_size = conn->vfs_ops.fget_nt_acl(fsp, fsp->fd, &psd);
+
+ if (sd_size == 0) {
+ talloc_destroy(mem_ctx);
+ return(UNIXERROR(ERRDOS,ERRnoaccess));
+ }
+
+ DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %d.\n",(int)sd_size));
+
+ SIVAL(params,0,(uint32)sd_size);
+
+ if(max_data_count < sd_size) {
+
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
+ params, 4, *ppdata, 0);
+ talloc_destroy(mem_ctx);
+ return -1;
+ }
+
+ /*
+ * Allocate the data we will point this at.
+ */
+
+ data = Realloc(*ppdata, sd_size);
+ if(data == NULL) {
+ talloc_destroy(mem_ctx);
+ return ERROR_DOS(ERRDOS,ERRnomem);
+ }
+
+ *ppdata = data;
- if(!logged_message) {
- DEBUG(0,("call_nt_transact_query_security_desc: Currently not implemented.\n"));
- logged_message = True; /* Only print this once... */
- }
+ memset(data, '\0', sd_size);
- return(ERROR(ERRSRV,ERRnosupport));
+ /*
+ * Init the parse struct we will marshall into.
+ */
+
+ prs_init(&pd, 0, mem_ctx, MARSHALL);
+
+ /*
+ * Setup the prs_struct to point at the memory we just
+ * allocated.
+ */
+
+ prs_give_memory( &pd, data, (uint32)sd_size, False);
+
+ /*
+ * Finally, linearize into the outgoing buffer.
+ */
+
+ if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
+ DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
+security descriptor.\n"));
+ /*
+ * Return access denied for want of a better error message..
+ */
+ talloc_destroy(mem_ctx);
+ return(UNIXERROR(ERRDOS,ERRnoaccess));
+ }
+
+ /*
+ * Now we can delete the security descriptor.
+ */
+
+ talloc_destroy(mem_ctx);
+
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 4, data, (int)sd_size);
+ return -1;
}
-
+
/****************************************************************************
- Reply to set a security descriptor - currently this is not implemented (it
- is planned to be though).
+ Reply to set a security descriptor. Map to UNIX perms.
****************************************************************************/
+
static int call_nt_transact_set_security_desc(connection_struct *conn,
- char *inbuf, char *outbuf,
- int length,
- int bufsize,
- char **ppsetup,
- char **ppparams, char **ppdata)
+ char *inbuf, char *outbuf, int length,
+ int bufsize, char **ppsetup,
+ char **ppparams, char **ppdata)
{
- static BOOL logged_message = False;
+ uint32 total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
+ char *params= *ppparams;
+ char *data = *ppdata;
+ uint32 total_data_count = (uint32)IVAL(inbuf, smb_nts_TotalDataCount);
+ files_struct *fsp = NULL;
+ uint32 security_info_sent = 0;
+ NTSTATUS nt_status;
+
+ if(total_parameter_count < 8)
+ return ERROR_DOS(ERRDOS,ERRbadfunc);
+
+ if((fsp = file_fsp(params,0)) == NULL)
+ return ERROR_DOS(ERRDOS,ERRbadfid);
+
+ if(!lp_nt_acl_support(SNUM(conn)))
+ goto done;
+
+ security_info_sent = IVAL(params,4);
+
+ DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
+ (unsigned int)security_info_sent ));
- if(!logged_message) {
- DEBUG(0,("call_nt_transact_set_security_desc: Currently not implemented.\n"));
- logged_message = True; /* Only print this once... */
- }
- return(ERROR(ERRSRV,ERRnosupport));
+ if (total_data_count == 0)
+ return ERROR_DOS(ERRDOS, ERRbadaccess);
+
+ if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, total_data_count, security_info_sent)))
+ return ERROR_NT(nt_status);
+
+ done:
+
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
+ return -1;
}
/****************************************************************************
- Reply to IOCTL - not implemented - no plans.
+ Reply to NT IOCTL
****************************************************************************/
static int call_nt_transact_ioctl(connection_struct *conn,
char *inbuf, char *outbuf, int length,
int bufsize,
- char **ppsetup, char **ppparams, char **ppdata)
+ char **ppsetup, int setup_count,
+ char **ppparams, int parameter_count,
+ char **ppdata, int data_count)
{
- static BOOL logged_message = False;
+ unsigned fnum, control;
+ static BOOL logged_message;
- if(!logged_message) {
- DEBUG(0,("call_nt_transact_ioctl: Currently not implemented.\n"));
- logged_message = True; /* Only print this once... */
- }
- return(ERROR(ERRSRV,ERRnosupport));
+ if (setup_count != 8) {
+ DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
+ return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
+ }
+
+ fnum = SVAL(*ppsetup, 4);
+ control = IVAL(*ppsetup, 0);
+
+ DEBUG(6,("call_nt_transact_ioctl: fnum=%d control=0x%x\n",
+ fnum, control));
+
+ switch (control) {
+ case NTIOCTL_SET_SPARSE:
+ /* pretend this succeeded - tho strictly we should
+ mark the file sparse (if the local fs supports it)
+ so we can know if we need to pre-allocate or not */
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
+ return -1;
+
+ default:
+ if (!logged_message) {
+ logged_message = True; /* Only print this once... */
+ DEBUG(3,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
+ control));
+ }
+ }
+
+ return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
}
/****************************************************************************
Reply to a SMBNTtrans.
****************************************************************************/
+
int reply_nttrans(connection_struct *conn,
- char *inbuf,char *outbuf,int length,int bufsize)
+ char *inbuf,char *outbuf,int length,int bufsize)
{
- int outsize = 0;
+ int outsize = 0;
#if 0 /* Not used. */
- uint16 max_setup_count = CVAL(inbuf, smb_nt_MaxSetupCount);
- uint32 max_parameter_count = IVAL(inbuf, smb_nt_MaxParameterCount);
- uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
+ uint16 max_setup_count = CVAL(inbuf, smb_nt_MaxSetupCount);
+ uint32 max_parameter_count = IVAL(inbuf, smb_nt_MaxParameterCount);
+ uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
#endif /* Not used. */
- uint32 total_parameter_count = IVAL(inbuf, smb_nt_TotalParameterCount);
- uint32 total_data_count = IVAL(inbuf, smb_nt_TotalDataCount);
- uint32 parameter_count = IVAL(inbuf,smb_nt_ParameterCount);
- uint32 parameter_offset = IVAL(inbuf,smb_nt_ParameterOffset);
- uint32 data_count = IVAL(inbuf,smb_nt_DataCount);
- uint32 data_offset = IVAL(inbuf,smb_nt_DataOffset);
- uint16 setup_count = 2*CVAL(inbuf,smb_nt_SetupCount); /* setup count is in *words* */
- uint16 function_code = SVAL( inbuf, smb_nt_Function);
- char *params = NULL, *data = NULL, *setup = NULL;
- uint32 num_params_sofar, num_data_sofar;
-
- if(global_oplock_break && (function_code == NT_TRANSACT_CREATE)) {
- /*
- * Queue this open message as we are the process of an oplock break.
- */
-
- DEBUG(2,("reply_nttrans: queueing message NT_TRANSACT_CREATE \
-due to being in oplock break state.\n" ));
-
- push_oplock_pending_smb_message( inbuf, length);
- return -1;
- }
-
- outsize = set_message(outbuf,0,0,True);
-
- /*
- * All nttrans messages we handle have smb_wct == 19 + setup_count.
- * Ensure this is so as a sanity check.
- */
-
- if(CVAL(inbuf, smb_wct) != 19 + (setup_count/2)) {
- DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
- CVAL(inbuf, smb_wct), 19 + (setup_count/2)));
- return(ERROR(ERRSRV,ERRerror));
- }
+ uint32 total_parameter_count = IVAL(inbuf, smb_nt_TotalParameterCount);
+ uint32 total_data_count = IVAL(inbuf, smb_nt_TotalDataCount);
+ uint32 parameter_count = IVAL(inbuf,smb_nt_ParameterCount);
+ uint32 parameter_offset = IVAL(inbuf,smb_nt_ParameterOffset);
+ uint32 data_count = IVAL(inbuf,smb_nt_DataCount);
+ uint32 data_offset = IVAL(inbuf,smb_nt_DataOffset);
+ uint16 setup_count = 2*CVAL(inbuf,smb_nt_SetupCount); /* setup count is in *words* */
+ uint16 function_code = SVAL( inbuf, smb_nt_Function);
+ char *params = NULL, *data = NULL, *setup = NULL;
+ uint32 num_params_sofar, num_data_sofar;
+ START_PROFILE(SMBnttrans);
+
+ if(global_oplock_break &&
+ ((function_code == NT_TRANSACT_CREATE) ||
+ (function_code == NT_TRANSACT_RENAME))) {
+ /*
+ * Queue this open message as we are the process of an oplock break.
+ */
+
+ DEBUG(2,("reply_nttrans: queueing message code 0x%x \
+due to being in oplock break state.\n", (unsigned int)function_code ));
+
+ push_oplock_pending_smb_message( inbuf, length);
+ END_PROFILE(SMBnttrans);
+ return -1;
+ }
+
+ if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
+ END_PROFILE(SMBnttrans);
+ return ERROR_DOS(ERRSRV,ERRaccess);
+ }
+
+ outsize = set_message(outbuf,0,0,True);
+
+ /*
+ * All nttrans messages we handle have smb_wct == 19 + setup_count.
+ * Ensure this is so as a sanity check.
+ */
+
+ if(CVAL(inbuf, smb_wct) != 19 + (setup_count/2)) {
+ DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
+ CVAL(inbuf, smb_wct), 19 + (setup_count/2)));
+ END_PROFILE(SMBnttrans);
+ return ERROR_DOS(ERRSRV,ERRerror);
+ }
- /* Allocate the space for the setup, the maximum needed parameters and data */
-
- if(setup_count > 0)
- setup = (char *)malloc(setup_count);
- if (total_parameter_count > 0)
- params = (char *)malloc(total_parameter_count);
- if (total_data_count > 0)
- data = (char *)malloc(total_data_count);
+ /* Allocate the space for the setup, the maximum needed parameters and data */
+
+ if(setup_count > 0)
+ setup = (char *)malloc(setup_count);
+ if (total_parameter_count > 0)
+ params = (char *)malloc(total_parameter_count);
+ if (total_data_count > 0)
+ data = (char *)malloc(total_data_count);
- if ((total_parameter_count && !params) || (total_data_count && !data) ||
- (setup_count && !setup)) {
- DEBUG(0,("reply_nttrans : Out of memory\n"));
- return(ERROR(ERRDOS,ERRnomem));
- }
-
- /* Copy the param and data bytes sent with this request into
- the params buffer */
- num_params_sofar = parameter_count;
- num_data_sofar = data_count;
-
- if (parameter_count > total_parameter_count || data_count > total_data_count)
- exit_server("reply_nttrans: invalid sizes in packet.\n");
-
- if(setup) {
- memcpy( setup, &inbuf[smb_nt_SetupStart], setup_count);
- DEBUG(10,("reply_nttrans: setup_count = %d\n", setup_count));
- dump_data(10, setup, setup_count);
- }
- if(params) {
- memcpy( params, smb_base(inbuf) + parameter_offset, parameter_count);
- DEBUG(10,("reply_nttrans: parameter_count = %d\n", parameter_count));
- dump_data(10, params, parameter_count);
- }
- if(data) {
- memcpy( data, smb_base(inbuf) + data_offset, data_count);
- DEBUG(10,("reply_nttrans: data_count = %d\n",data_count));
- dump_data(10, data, data_count);
- }
-
- if(num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
- /* We need to send an interim response then receive the rest
- of the parameter/data bytes */
- outsize = set_message(outbuf,0,0,True);
- send_smb(Client,outbuf);
-
- while( num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
- BOOL ret;
-
- ret = receive_next_smb(inbuf,bufsize,SMB_SECONDARY_WAIT);
-
- if((ret && (CVAL(inbuf, smb_com) != SMBnttranss)) || !ret) {
- outsize = set_message(outbuf,0,0,True);
- if(ret) {
- DEBUG(0,("reply_nttrans: Invalid secondary nttrans packet\n"));
- } else {
- DEBUG(0,("reply_nttrans: %s in getting secondary nttrans response.\n",
- (smb_read_error == READ_ERROR) ? "error" : "timeout" ));
+ if ((total_parameter_count && !params) || (total_data_count && !data) ||
+ (setup_count && !setup)) {
+ SAFE_FREE(setup);
+ SAFE_FREE(params);
+ SAFE_FREE(data);
+ DEBUG(0,("reply_nttrans : Out of memory\n"));
+ END_PROFILE(SMBnttrans);
+ return ERROR_DOS(ERRDOS,ERRnomem);
}
- if(params)
- free(params);
- if(data)
- free(data);
- if(setup)
- free(setup);
- return(ERROR(ERRSRV,ERRerror));
- }
+
+ /* Copy the param and data bytes sent with this request into the params buffer */
+ num_params_sofar = parameter_count;
+ num_data_sofar = data_count;
+
+ if (parameter_count > total_parameter_count || data_count > total_data_count)
+ exit_server("reply_nttrans: invalid sizes in packet.");
+
+ if(setup) {
+ memcpy( setup, &inbuf[smb_nt_SetupStart], setup_count);
+ DEBUG(10,("reply_nttrans: setup_count = %d\n", setup_count));
+ dump_data(10, setup, setup_count);
+ }
+ if(params) {
+ memcpy( params, smb_base(inbuf) + parameter_offset, parameter_count);
+ DEBUG(10,("reply_nttrans: parameter_count = %d\n", parameter_count));
+ dump_data(10, params, parameter_count);
+ }
+ if(data) {
+ memcpy( data, smb_base(inbuf) + data_offset, data_count);
+ DEBUG(10,("reply_nttrans: data_count = %d\n",data_count));
+ dump_data(10, data, data_count);
+ }
+
+ if(num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
+ /* We need to send an interim response then receive the rest
+ of the parameter/data bytes */
+ outsize = set_message(outbuf,0,0,True);
+ if (!send_smb(smbd_server_fd(),outbuf))
+ exit_server("reply_nttrans: send_smb failed.");
+
+ while( num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
+ BOOL ret;
+
+ ret = receive_next_smb(inbuf,bufsize,SMB_SECONDARY_WAIT);
+
+ if((ret && (CVAL(inbuf, smb_com) != SMBnttranss)) || !ret) {
+ outsize = set_message(outbuf,0,0,True);
+ if(ret) {
+ DEBUG(0,("reply_nttrans: Invalid secondary nttrans packet\n"));
+ } else {
+ DEBUG(0,("reply_nttrans: %s in getting secondary nttrans response.\n",
+ (smb_read_error == READ_ERROR) ? "error" : "timeout" ));
+ }
+ SAFE_FREE(params);
+ SAFE_FREE(data);
+ SAFE_FREE(setup);
+ END_PROFILE(SMBnttrans);
+ return ERROR_DOS(ERRSRV,ERRerror);
+ }
- /* Revise total_params and total_data in case they have changed downwards */
- total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
- total_data_count = IVAL(inbuf, smb_nts_TotalDataCount);
- num_params_sofar += (parameter_count = IVAL(inbuf,smb_nts_ParameterCount));
- num_data_sofar += ( data_count = IVAL(inbuf, smb_nts_DataCount));
- if (num_params_sofar > total_parameter_count || num_data_sofar > total_data_count)
- exit_server("reply_nttrans2: data overflow in secondary nttrans packet\n");
-
- memcpy( ¶ms[ IVAL(inbuf, smb_nts_ParameterDisplacement)],
- smb_base(inbuf) + IVAL(inbuf, smb_nts_ParameterOffset), parameter_count);
- memcpy( &data[IVAL(inbuf, smb_nts_DataDisplacement)],
- smb_base(inbuf)+ IVAL(inbuf, smb_nts_DataOffset), data_count);
- }
- }
-
- if (Protocol >= PROTOCOL_NT1) {
- uint16 flg2 = SVAL(outbuf,smb_flg2);
- SSVAL(outbuf,smb_flg2,flg2 | 0x40); /* IS_LONG_NAME */
- }
-
- /* Now we must call the relevant NT_TRANS function */
- switch(function_code) {
- case NT_TRANSACT_CREATE:
- outsize = call_nt_transact_create(conn, inbuf, outbuf, length, bufsize,
- &setup, ¶ms, &data);
- break;
- case NT_TRANSACT_IOCTL:
- outsize = call_nt_transact_ioctl(conn,
- inbuf, outbuf, length, bufsize,
- &setup, ¶ms, &data);
- break;
- case NT_TRANSACT_SET_SECURITY_DESC:
- outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
- length, bufsize,
- &setup, ¶ms, &data);
- break;
- case NT_TRANSACT_NOTIFY_CHANGE:
- outsize = call_nt_transact_notify_change(conn, inbuf, outbuf,
- length, bufsize,
- &setup, ¶ms, &data);
- break;
- case NT_TRANSACT_RENAME:
- outsize = call_nt_transact_rename(conn, inbuf, outbuf, length,
- bufsize,
- &setup, ¶ms, &data);
- break;
-
- case NT_TRANSACT_QUERY_SECURITY_DESC:
- outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
- length, bufsize,
- &setup, ¶ms, &data);
- break;
- default:
- /* Error in request */
- DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n", function_code));
- if(setup)
- free(setup);
- if(params)
- free(params);
- if(data)
- free(data);
- return (ERROR(ERRSRV,ERRerror));
- }
-
- /* As we do not know how many data packets will need to be
- returned here the various call_nt_transact_xxxx calls
- must send their own. Thus a call_nt_transact_xxxx routine only
- returns a value other than -1 when it wants to send
- an error packet.
- */
-
- if(setup)
- free(setup);
- if(params)
- free(params);
- if(data)
- free(data);
- return outsize; /* If a correct response was needed the call_nt_transact_xxxx
- calls have already sent it. If outsize != -1 then it is
- returning an error packet. */
+ /* Revise total_params and total_data in case they have changed downwards */
+ total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
+ total_data_count = IVAL(inbuf, smb_nts_TotalDataCount);
+ num_params_sofar += (parameter_count = IVAL(inbuf,smb_nts_ParameterCount));
+ num_data_sofar += ( data_count = IVAL(inbuf, smb_nts_DataCount));
+ if (num_params_sofar > total_parameter_count || num_data_sofar > total_data_count)
+ exit_server("reply_nttrans2: data overflow in secondary nttrans packet");
+
+ memcpy( ¶ms[ IVAL(inbuf, smb_nts_ParameterDisplacement)],
+ smb_base(inbuf) + IVAL(inbuf, smb_nts_ParameterOffset), parameter_count);
+ memcpy( &data[IVAL(inbuf, smb_nts_DataDisplacement)],
+ smb_base(inbuf)+ IVAL(inbuf, smb_nts_DataOffset), data_count);
+ }
+ }
+
+ if (Protocol >= PROTOCOL_NT1)
+ SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | FLAGS2_IS_LONG_NAME);
+
+ /* Now we must call the relevant NT_TRANS function */
+ switch(function_code) {
+ case NT_TRANSACT_CREATE:
+ START_PROFILE_NESTED(NT_transact_create);
+ outsize = call_nt_transact_create(conn, inbuf, outbuf,
+ length, bufsize,
+ &setup, ¶ms, &data);
+ END_PROFILE_NESTED(NT_transact_create);
+ break;
+ case NT_TRANSACT_IOCTL:
+ START_PROFILE_NESTED(NT_transact_ioctl);
+ outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
+ length, bufsize,
+ &setup, setup_count,
+ ¶ms, parameter_count,
+ &data, data_count);
+ END_PROFILE_NESTED(NT_transact_ioctl);
+ break;
+ case NT_TRANSACT_SET_SECURITY_DESC:
+ START_PROFILE_NESTED(NT_transact_set_security_desc);
+ outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
+ length, bufsize,
+ &setup, ¶ms, &data);
+ END_PROFILE_NESTED(NT_transact_set_security_desc);
+ break;
+ case NT_TRANSACT_NOTIFY_CHANGE:
+ START_PROFILE_NESTED(NT_transact_notify_change);
+ outsize = call_nt_transact_notify_change(conn, inbuf, outbuf,
+ length, bufsize,
+ &setup, ¶ms, &data);
+ END_PROFILE_NESTED(NT_transact_notify_change);
+ break;
+ case NT_TRANSACT_RENAME:
+ START_PROFILE_NESTED(NT_transact_rename);
+ outsize = call_nt_transact_rename(conn, inbuf, outbuf,
+ length, bufsize,
+ &setup, ¶ms, &data);
+ END_PROFILE_NESTED(NT_transact_rename);
+ break;
+
+ case NT_TRANSACT_QUERY_SECURITY_DESC:
+ START_PROFILE_NESTED(NT_transact_query_security_desc);
+ outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
+ length, bufsize,
+ &setup, ¶ms, &data);
+ END_PROFILE_NESTED(NT_transact_query_security_desc);
+ break;
+ default:
+ /* Error in request */
+ DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n", function_code));
+ SAFE_FREE(setup);
+ SAFE_FREE(params);
+ SAFE_FREE(data);
+ END_PROFILE(SMBnttrans);
+ return ERROR_DOS(ERRSRV,ERRerror);
+ }
+
+ /* As we do not know how many data packets will need to be
+ returned here the various call_nt_transact_xxxx calls
+ must send their own. Thus a call_nt_transact_xxxx routine only
+ returns a value other than -1 when it wants to send
+ an error packet.
+ */
+
+ SAFE_FREE(setup);
+ SAFE_FREE(params);
+ SAFE_FREE(data);
+ END_PROFILE(SMBnttrans);
+ return outsize; /* If a correct response was needed the call_nt_transact_xxxx
+ calls have already sent it. If outsize != -1 then it is
+ returning an error packet. */
}
git.samba.org / import / samba-cvsimport.git / blobdiff