File rekall-xbsql-overflows.diff of Package rekall

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File rekall-xbsql-overflows.diff of Package rekall (Revision c10eafedd79ab59d56d8902da94ac036)

Currently displaying revision c10eafedd79ab59d56d8902da94ac036 , Show latest

--- support/xbsql/xb_fieldset.cpp
+++ support/xbsql/xb_fieldset.cpp
@@ -72,8 +72,8 @@ XBSQL::Index
 
 	char	buff[255]	;
 	strncpy	(buff, tabname,		    sizeof(buff)) ;
-	strncat	(buff, "_",		    sizeof(buff)) ;
-	strncat	(buff, getFieldName(fldno), sizeof(buff)) ;
+	strncat	(buff, "_",		    sizeof(buff)-strlen(buff)-1) ;
+	strncat	(buff, getFieldName(fldno), sizeof(buff)-strlen(buff)-1) ;
 
 	const char *path = xbase->getPath (buff, "ndx")	;
 	int	fd	 = open (path, O_RDONLY)	;
--- support/xbsql/xbsql.cpp
+++ support/xbsql/xbsql.cpp
@@ -379,8 +379,8 @@ bool	XBaseSQL::createTable
 			xbNdx 	ndxFile	(&dbfFile) ;
 
 			strncpy	(name, table,			sizeof(name)) ;
-			strncat	(name, "_",   			sizeof(name)) ;
-			strncat	(name, schema[idx].FieldName,	sizeof(name)) ;
+			strncat	(name, "_",   			sizeof(name)-strlen(name)-1) ;
+			strncat	(name, schema[idx].FieldName,	sizeof(name)-strlen(name)-1) ;
 
 			path	= getPath (name, "ndx") ;
 			idxflag	= index[idx] == XBSQL::IndexUnique ?
@@ -482,8 +482,8 @@ XBSQLTable *XBaseSQL::openTable
 		char	name[256]	;
 
 		strncpy	(name, table,			sizeof(name)) ;
-		strncat	(name, "_",			sizeof(name)) ;
-		strncat	(name, fSet.getFieldName (idx),	sizeof(name)) ;
+		strncat	(name, "_",			sizeof(name)-strlen(name)-1) ;
+		strncat	(name, fSet.getFieldName (idx),	sizeof(name)-strlen(name)-1) ;
 
 		path	= getPath (name, "ndx") ;
 		if (access(path, R_OK) == 0)
@@ -880,11 +880,11 @@ bool	XBaseSQL::renameTable
 			const char	*fname	= fSet.getFieldName (idx) ;
 
 			strncpy	(_oldName, oldName, sizeof(_oldName)) ;
-			strncat	(_oldName, "_",     sizeof(_oldName)) ;
-			strncat	(_oldName, fname,   sizeof(_oldName)) ;
+			strncat	(_oldName, "_",     sizeof(_oldName)-strlen(_oldName)-1) ;
+			strncat	(_oldName, fname,   sizeof(_oldName)-strlen(_oldName)-1) ;
 			strncpy	(_newName, newName, sizeof(_newName)) ;
-			strncat	(_newName, "_",	    sizeof(_newName)) ;
-			strncat	(_newName, fname,   sizeof(_newName)) ;
+			strncat	(_newName, "_",	    sizeof(_newName)-strlen(_newName)-1) ;
+			strncat	(_newName, fname,   sizeof(_newName)-strlen(_newName)-1) ;
 
 			oldAnon	= getPath (_oldName, "ndx") ;
 			newAnon	= getPath (_newName, "ndx") ;
@@ -959,8 +959,8 @@ bool	XBaseSQL::dropTable
 			const char	*fname	= fSet.getFieldName (idx) ;
 
 			strncpy	(_idxName, table, sizeof(_idxName)) ;
-			strncat	(_idxName, "_",   sizeof(_idxName)) ;
-			strncat	(_idxName, fname, sizeof(_idxName)) ;
+			strncat	(_idxName, "_",   sizeof(_idxName)-strlen(_idxName)-1) ;
+			strncat	(_idxName, fname, sizeof(_idxName)-strlen(_idxName)-1) ;
 
 			tabAnon	= getPath (_idxName, "ndx") ;

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File rekall-xbsql-overflows.diff of Package rekall (Revision c10eafedd79ab59d56d8902da94ac036)

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