[SCM] Samba Shared Repository - branch v3-2-test updated - initial-v3-2-unstable-378-g55b4f9d

Jeremy Allison jra at samba.org
Tue Nov 27 19:23:33 GMT 2007


The branch, v3-2-test has been updated
       via  55b4f9d003b036af69085f7b64e0df08c5ba440d (commit)
      from  172f7ce96dc12cfc7d2209d8ed56aeebefd6207b (commit)

http://gitweb.samba.org/?p=samba.git;a=shortlog;h=v3-2-test


- Log -----------------------------------------------------------------
commit 55b4f9d003b036af69085f7b64e0df08c5ba440d
Author: Jeremy Allison <jra at samba.org>
Date:   Tue Nov 27 11:22:58 2007 -0800

    Remove pstring from everything in rpc_server except
    srv_spoolss_nt.c and srv_srvsvc_nt.c.
    They're next :-).
    Jeremy.

-----------------------------------------------------------------------

Summary of changes:
 source/include/rpc_eventlog.h        |   10 +-
 source/rpc_server/srv_eventlog_lib.c |  151 ++++++++++----------
 source/rpc_server/srv_eventlog_nt.c  |  162 ++++++++++++++--------
 source/rpc_server/srv_netlog_nt.c    |   27 ++--
 source/rpc_server/srv_samr_util.c    |    3 +-
 source/rpc_server/srv_srvsvc_nt.c    |    2 +-
 source/rpc_server/srv_svcctl_nt.c    |   25 ++--
 source/rpc_server/srv_winreg_nt.c    |  256 +++++++++++++++++++--------------
 8 files changed, 363 insertions(+), 273 deletions(-)


Changeset truncated at 500 lines:

diff --git a/source/include/rpc_eventlog.h b/source/include/rpc_eventlog.h
index 849c62b..9ec76a0 100644
--- a/source/include/rpc_eventlog.h
+++ b/source/include/rpc_eventlog.h
@@ -134,15 +134,15 @@ typedef struct {
 
 typedef struct {
 	uint32 source_name_len;
-	wpstring source_name;
+	smb_ucs2_t *source_name;
 	uint32 computer_name_len;
-	wpstring computer_name;
+	smb_ucs2_t *computer_name;
 	uint32 sid_padding;
-	wpstring sid;
+	smb_ucs2_t *sid;
 	uint32 strings_len;
-	wpstring strings;
+	smb_ucs2_t *strings;
 	uint32 user_data_len;
-	pstring user_data;
+	char *user_data;
 	uint32 data_padding;
 } Eventlog_data_record;
 
diff --git a/source/rpc_server/srv_eventlog_lib.c b/source/rpc_server/srv_eventlog_lib.c
index 00afe5b..b964828 100644
--- a/source/rpc_server/srv_eventlog_lib.c
+++ b/source/rpc_server/srv_eventlog_lib.c
@@ -62,17 +62,16 @@ TDB_CONTEXT *elog_init_tdb( char *tdbfilename )
  and size. Caller must free memory.
 ********************************************************************/
 
-char *elog_tdbname( const char *name )
+char *elog_tdbname(TALLOC_CTX *ctx, const char *name )
 {
-	fstring path;
-	char *tdb_fullpath;
-	char *eventlogdir = state_path( "eventlog" );
-	
-	pstr_sprintf( path, "%s/%s.tdb", eventlogdir, name );
-	strlower_m( path );
-	tdb_fullpath = SMB_STRDUP( path );
-	
-	return tdb_fullpath;
+	char *path = talloc_asprintf(ctx, "%s/%s.tdb",
+			state_path("eventlog"),
+			name);
+	if (!path) {
+		return NULL;
+	}
+	strlower_m(path);
+	return path;
 }
 
 
@@ -320,13 +319,13 @@ ELOG_TDB *elog_open_tdb( char *logname, bool force_clear )
 	TDB_CONTEXT *tdb = NULL;
 	uint32 vers_id;
 	ELOG_TDB *ptr;
-	char *tdbfilename;
-	pstring tdbpath;
+	char *tdbpath = NULL;
 	ELOG_TDB *tdb_node = NULL;
 	char *eventlogdir;
+	TALLOC_CTX *ctx = talloc_tos();
 
 	/* first see if we have an open context */
-	
+
 	for ( ptr=open_elog_list; ptr; ptr=ptr->next ) {
 		if ( strequal( ptr->name, logname ) ) {
 			ptr->ref_count++;
@@ -345,27 +344,28 @@ ELOG_TDB *elog_open_tdb( char *logname, bool force_clear )
 				return ptr;
 		}
 	}
-	
+
 	/* make sure that the eventlog dir exists */
-	
+
 	eventlogdir = state_path( "eventlog" );
 	if ( !directory_exist( eventlogdir, NULL ) )
-		mkdir( eventlogdir, 0755 );	
-	
+		mkdir( eventlogdir, 0755 );
+
 	/* get the path on disk */
-	
-	tdbfilename = elog_tdbname( logname );
-	pstrcpy( tdbpath, tdbfilename );
-	SAFE_FREE( tdbfilename );
 
-	DEBUG(7,("elog_open_tdb: Opening %s...(force_clear == %s)\n", 
+	tdbpath = elog_tdbname(ctx, logname);
+	if (!tdbpath) {
+		return NULL;
+	}
+
+	DEBUG(7,("elog_open_tdb: Opening %s...(force_clear == %s)\n",
 		tdbpath, force_clear?"True":"False" ));
-		
+
 	/* the tdb wasn't already open or this is a forced clear open */
 
 	if ( !force_clear ) {
 
-		tdb = tdb_open_log( tdbpath, 0, TDB_DEFAULT, O_RDWR , 0 );	
+		tdb = tdb_open_log( tdbpath, 0, TDB_DEFAULT, O_RDWR , 0 );
 		if ( tdb ) {
 			vers_id = tdb_fetch_int32( tdb, EVT_VERSION );
 
@@ -593,9 +593,8 @@ void fixup_eventlog_entry( Eventlog_entry * ee )
 
 bool parse_logentry( char *line, Eventlog_entry * entry, bool * eor )
 {
+	TALLOC_CTX *ctx = talloc_tos();
 	char *start = NULL, *stop = NULL;
-	pstring temp;
-	int temp_len = 0;
 
 	start = line;
 
@@ -661,62 +660,69 @@ bool parse_logentry( char *line, Eventlog_entry * entry, bool * eor )
 	} else if ( 0 == strncmp( start, "USL", stop - start ) ) {
 		entry->record.user_sid_length = atoi( stop + 1 );
 	} else if ( 0 == strncmp( start, "SRC", stop - start ) ) {
-		memset( temp, 0, sizeof( temp ) );
 		stop++;
 		while ( isspace( stop[0] ) ) {
 			stop++;
 		}
-		temp_len = strlen( stop );
-		strncpy( temp, stop, temp_len );
-		rpcstr_push( ( void * ) ( entry->data_record.source_name ),
-			     temp, sizeof( entry->data_record.source_name ),
-			     STR_TERMINATE );
-		entry->data_record.source_name_len =
-			( strlen_w( entry->data_record.source_name ) * 2 ) +
-			2;
+		entry->data_record.source_name_len = rpcstr_push_talloc(ctx,
+				&entry->data_record.source_name,
+				stop);
+		if (entry->data_record.source_name_len == (size_t)-1 ||
+				entry->data_record.source_name == NULL) {
+			return false;
+		}
 	} else if ( 0 == strncmp( start, "SRN", stop - start ) ) {
-		memset( temp, 0, sizeof( temp ) );
 		stop++;
 		while ( isspace( stop[0] ) ) {
 			stop++;
 		}
-		temp_len = strlen( stop );
-		strncpy( temp, stop, temp_len );
-		rpcstr_push( ( void * ) ( entry->data_record.computer_name ),
-			     temp, sizeof( entry->data_record.computer_name ),
-			     STR_TERMINATE );
-		entry->data_record.computer_name_len =
-			( strlen_w( entry->data_record.computer_name ) * 2 ) +
-			2;
+		entry->data_record.computer_name_len = rpcstr_push_talloc(ctx,
+				&entry->data_record.computer_name,
+				stop);
+		if (entry->data_record.computer_name_len == (size_t)-1 ||
+				entry->data_record.computer_name == NULL) {
+			return false;
+		}
 	} else if ( 0 == strncmp( start, "SID", stop - start ) ) {
-		memset( temp, 0, sizeof( temp ) );
 		stop++;
 		while ( isspace( stop[0] ) ) {
 			stop++;
 		}
-		temp_len = strlen( stop );
-		strncpy( temp, stop, temp_len );
-		rpcstr_push( ( void * ) ( entry->data_record.sid ), temp,
-			     sizeof( entry->data_record.sid ),
-			     STR_TERMINATE );
-		entry->record.user_sid_length =
-			( strlen_w( entry->data_record.sid ) * 2 ) + 2;
+		entry->record.user_sid_length = rpcstr_push_talloc(ctx,
+				&entry->data_record.sid,
+				stop);
+		if (entry->record.user_sid_length == (size_t)-1 ||
+				entry->data_record.sid == NULL) {
+			return false;
+		}
 	} else if ( 0 == strncmp( start, "STR", stop - start ) ) {
+		smb_ucs2_t *temp = NULL;
+		size_t tmp_len;
+		uint32_t old_len;
 		/* skip past initial ":" */
 		stop++;
 		/* now skip any other leading whitespace */
-		while ( isspace( stop[0] ) ) {
+		while ( isspace(stop[0])) {
 			stop++;
 		}
-		temp_len = strlen( stop );
-		memset( temp, 0, sizeof( temp ) );
-		strncpy( temp, stop, temp_len );
-		rpcstr_push( ( void * ) ( entry->data_record.strings +
-					  ( entry->data_record.strings_len / 2 ) ),
-			     temp,
-			     sizeof( entry->data_record.strings ) -
-			     ( entry->data_record.strings_len / 2 ), STR_TERMINATE );
-		entry->data_record.strings_len += ( temp_len * 2 ) + 2;
+		tmp_len = rpcstr_push_talloc(ctx,
+						&temp,
+						stop);
+		if (tmp_len == (size_t)-1 || !temp) {
+			return false;
+		}
+		old_len = entry->data_record.strings_len;
+		entry->data_record.strings = (smb_ucs2_t *)TALLOC_REALLOC_ARRAY(ctx,
+						entry->data_record.strings,
+						char,
+						old_len + tmp_len);
+		if (!entry->data_record.strings) {
+			return false;
+		}
+		memcpy(entry->data_record.strings + old_len,
+				temp,
+				tmp_len);
+		entry->data_record.strings_len += tmp_len;
 		entry->record.num_strings++;
 	} else if ( 0 == strncmp( start, "DAT", stop - start ) ) {
 		/* skip past initial ":" */
@@ -725,25 +731,18 @@ bool parse_logentry( char *line, Eventlog_entry * entry, bool * eor )
 		while ( isspace( stop[0] ) ) {
 			stop++;
 		}
-		entry->data_record.user_data_len = strlen( stop );
-		memset( entry->data_record.user_data, 0,
-			sizeof( entry->data_record.user_data ) );
-		if ( entry->data_record.user_data_len > 0 ) {
-			/* copy no more than the first 1024 bytes */
-			if ( entry->data_record.user_data_len >
-			     sizeof( entry->data_record.user_data ) )
-				entry->data_record.user_data_len =
-					sizeof( entry->data_record.
-						user_data );
-			memcpy( entry->data_record.user_data, stop,
-				entry->data_record.user_data_len );
+		entry->data_record.user_data_len = strlen(stop);
+		entry->data_record.user_data = talloc_strdup(ctx,
+						stop);
+		if (!entry->data_record.user_data) {
+			return false;
 		}
 	} else {
 		/* some other eventlog entry -- not implemented, so dropping on the floor */
 		DEBUG( 10, ( "Unknown entry [%s]. Ignoring.\n", line ) );
 		/* For now return true so that we can keep on parsing this mess. Eventually
 		   we will return False here. */
-		return True;
+		return true;
 	}
-	return True;
+	return true;
 }
diff --git a/source/rpc_server/srv_eventlog_nt.c b/source/rpc_server/srv_eventlog_nt.c
index d86da90..cd06be1 100644
--- a/source/rpc_server/srv_eventlog_nt.c
+++ b/source/rpc_server/srv_eventlog_nt.c
@@ -69,7 +69,7 @@ static EVENTLOG_INFO *find_eventlog_info_by_hnd( pipes_struct * p,
 
 static bool elog_check_access( EVENTLOG_INFO *info, NT_USER_TOKEN *token )
 {
-	char *tdbname = elog_tdbname( info->logname );
+	char *tdbname = elog_tdbname(talloc_tos(), info->logname );
 	SEC_DESC *sec_desc;
 	bool ret;
 	NTSTATUS ntstatus;
@@ -280,22 +280,28 @@ static int elog_size( EVENTLOG_INFO *info )
 }
 
 /********************************************************************
-  For the given tdb, get the next eventlog record into the passed 
+  For the given tdb, get the next eventlog record into the passed
   Eventlog_entry.  returns NULL if it can't get the record for some reason.
  ********************************************************************/
 
-static Eventlog_entry *get_eventlog_record( prs_struct * ps, TDB_CONTEXT * tdb,
-				     int recno, Eventlog_entry * ee )
+static Eventlog_entry *get_eventlog_record(prs_struct *ps,
+				TDB_CONTEXT *tdb,
+				int recno)
 {
+	Eventlog_entry *ee = NULL;
 	TDB_DATA ret, key;
 
 	int srecno;
 	int reclen;
 	int len;
 
-	pstring *wpsource, *wpcomputer, *wpsid, *wpstrs, *puserdata;
+	char *wpsource = NULL;
+	char *wpcomputer = NULL;
+	char *wpsid = NULL;
+	char *wpstrs = NULL;
+	char *puserdata = NULL;
 
-	key.dsize = sizeof( int32 );
+	key.dsize = sizeof(int32);
 
 	srecno = recno;
 	key.dptr = ( uint8 * ) &srecno;
@@ -316,10 +322,11 @@ static Eventlog_entry *get_eventlog_record( prs_struct * ps, TDB_CONTEXT * tdb,
 	if ( !len )
 		return NULL;
 
-	/* ee = PRS_ALLOC_MEM(ps, Eventlog_entry, 1); */
-
-	if ( !ee )
+	ee = TALLOC_ARRAY(ps->mem_ctx, Eventlog_entry, 1);
+	if (!ee) {
 		return NULL;
+	}
+	ZERO_STRUCTP(ee);
 
 	len = tdb_unpack( ret.dptr, ret.dsize, "ddddddwwwwddddddBBdBBBd",
 			  &ee->record.length, &ee->record.reserved1,
@@ -347,36 +354,67 @@ static Eventlog_entry *get_eventlog_record( prs_struct * ps, TDB_CONTEXT * tdb,
 	/* have to do the following because the tdb_unpack allocs a buff, stuffs a pointer to the buff
 	   into it's 2nd argment for 'B' */
 
-	if ( wpcomputer )
-		memcpy( ee->data_record.computer_name, wpcomputer,
-			ee->data_record.computer_name_len );
-	if ( wpsource )
-		memcpy( ee->data_record.source_name, wpsource,
-			ee->data_record.source_name_len );
-
-	if ( wpsid )
-		memcpy( ee->data_record.sid, wpsid,
-			ee->record.user_sid_length );
-	if ( wpstrs )
-		memcpy( ee->data_record.strings, wpstrs,
-			ee->data_record.strings_len );
-
-	/* note that userdata is a pstring */
-	if ( puserdata )
-		memcpy( ee->data_record.user_data, puserdata,
-			ee->data_record.user_data_len );
-
-	SAFE_FREE( wpcomputer );
-	SAFE_FREE( wpsource );
-	SAFE_FREE( wpsid );
-	SAFE_FREE( wpstrs );
-	SAFE_FREE( puserdata );
+	if (wpcomputer) {
+		ee->data_record.computer_name = TALLOC_MEMDUP(ee,
+							wpcomputer,
+							ee->data_record.computer_name_len);
+		if (!ee->data_record.computer_name) {
+			TALLOC_FREE(ee);
+			goto out;
+		}
+	}
+	if (wpsource) {
+		ee->data_record.source_name = TALLOC_MEMDUP(ee,
+							wpsource,
+							ee->data_record.source_name_len);
+		if (!ee->data_record.source_name) {
+			TALLOC_FREE(ee);
+			goto out;
+		}
+	}
+
+	if (wpsid) {
+		ee->data_record.sid = TALLOC_MEMDUP(ee,
+						wpsid,
+						ee->record.user_sid_length);
+		if (!ee->data_record.sid) {
+			TALLOC_FREE(ee);
+			goto out;
+		}
+	}
+	if (wpstrs) {
+		ee->data_record.strings = TALLOC_MEMDUP(ee,
+							wpstrs,
+							ee->data_record.strings_len);
+		if (!ee->data_record.strings) {
+			TALLOC_FREE(ee);
+			goto out;
+		}
+	}
+
+	if (puserdata) {
+		ee->data_record.user_data = TALLOC_MEMDUP(ee,
+							puserdata,
+							ee->data_record.user_data_len);
+		if (!ee->data_record.user_data) {
+			TALLOC_FREE(ee);
+			goto out;
+		}
+	}
+
+  out:
+
+	SAFE_FREE(wpcomputer);
+	SAFE_FREE(wpsource);
+	SAFE_FREE(wpsid);
+	SAFE_FREE(wpstrs);
+	SAFE_FREE(puserdata);
 
 	DEBUG( 10, ( "get_eventlog_record: read back %d\n", len ) );
 	DEBUG( 10,
 	       ( "get_eventlog_record: computer_name %d is ",
 		 ee->data_record.computer_name_len ) );
-	SAFE_FREE( ret.dptr );
+	SAFE_FREE(ret.dptr);
 	return ee;
 }
 
@@ -387,7 +425,7 @@ static Eventlog_entry *get_eventlog_record( prs_struct * ps, TDB_CONTEXT * tdb,
 
 static bool sync_eventlog_params( EVENTLOG_INFO *info )
 {
-	pstring path;
+	char *path = NULL;
 	uint32 uiMaxSize;
 	uint32 uiRetention;
 	REGISTRY_KEY *keyinfo;
@@ -395,6 +433,7 @@ static bool sync_eventlog_params( EVENTLOG_INFO *info )
 	REGVAL_CTR *values;
 	WERROR wresult;
 	char *elogname = info->logname;
+	TALLOC_CTX *ctx = talloc_tos();
 
 	DEBUG( 4, ( "sync_eventlog_params with %s\n", elogname ) );
 
@@ -412,7 +451,10 @@ static bool sync_eventlog_params( EVENTLOG_INFO *info )
 	   to use the same fetch/store api that we use in 
 	   srv_reg_nt.c */
 
-	pstr_sprintf( path, "%s/%s", KEY_EVENTLOG, elogname );
+	path = talloc_asprintf(ctx, "%s/%s", KEY_EVENTLOG, elogname );
+	if (!path) {
+		return false;
+	}
 
 	wresult = regkey_open_internal( NULL, &keyinfo, path,
 					get_root_nt_token(  ), REG_KEY_READ );
@@ -624,16 +666,20 @@ NTSTATUS _eventlog_clear_eventlog( pipes_struct * p,
 				 EVENTLOG_R_CLEAR_EVENTLOG * r_u )
 {
 	EVENTLOG_INFO *info = find_eventlog_info_by_hnd( p, &q_u->handle );
-	pstring backup_file_name;
+	char *backup_file_name = NULL;
 
 	if ( !info )
 		return NT_STATUS_INVALID_HANDLE;
 
-	pstrcpy( backup_file_name, "" );
-	if ( q_u->backupfile.string ) {
-		rpcstr_pull( backup_file_name, q_u->backupfile.string->buffer,
-			     sizeof( backup_file_name ),
-			     q_u->backupfile.string->uni_str_len * 2, 0 );
+	if (q_u->backupfile.string) {
+		size_t len = rpcstr_pull_talloc(p->mem_ctx,
+				&backup_file_name,
+				q_u->backupfile.string->buffer,
+				q_u->backupfile.string->uni_str_len * 2,
+				0 );
+		if (len == (size_t)-1 || !backup_file_name) {
+			return NT_STATUS_INVALID_PARAMETER;
+		}
 
 		DEBUG(8,( "_eventlog_clear_eventlog: Using [%s] as the backup "
 			"file name for log [%s].",
@@ -647,7 +693,7 @@ NTSTATUS _eventlog_clear_eventlog( pipes_struct * p,
 
 	/* Force a close and reopen */
 
-	elog_close_tdb( info->etdb, True ); 
+	elog_close_tdb( info->etdb, True );
 	become_root();
 	info->etdb = elog_open_tdb( info->logname, True );
 	unbecome_root();
@@ -674,7 +720,7 @@ NTSTATUS _eventlog_read_eventlog( pipes_struct * p,
 				EVENTLOG_R_READ_EVENTLOG * r_u )
 {
 	EVENTLOG_INFO *info = find_eventlog_info_by_hnd( p, &q_u->handle );
-	Eventlog_entry entry, *ee_new;
+	Eventlog_entry *entry = NULL, *ee_new = NULL;
 	uint32 num_records_read = 0;
 	prs_struct *ps;
 	int bytes_left, record_number;
@@ -689,9 +735,9 @@ NTSTATUS _eventlog_read_eventlog( pipes_struct * p,
 
 	bytes_left = q_u->max_read_size;
 
-	if ( !info->etdb ) 
+	if ( !info->etdb )
 		return NT_STATUS_ACCESS_DENIED;
-		


-- 
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