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Don't allow directories or volume labels to be opened. Return proper error code

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1416
This commit is contained in:
Peter Veenstra 2003-11-08 13:41:04 +00:00
parent 9da071a0be
commit b8c73b0ff1
1 changed files with 10 additions and 2 deletions
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12
src/dos/dos_files.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: dos_files.cpp,v 1.48 2003-10-17 16:56:06 finsterr Exp $ */
/* $Id: dos_files.cpp,v 1.49 2003-11-08 13:41:04 qbix79 Exp $ */
#include <string.h>
#include <stdlib.h>
@ -359,7 +359,15 @@ bool DOS_OpenFile(char * name,Bit8u flags,Bit16u * entry) {
/* First check for devices */
if (flags>2) LOG(LOG_FILES,LOG_ERROR)("Special file open command %X file %s",flags,name);
else LOG(LOG_FILES,LOG_NORMAL)("file open command %X file %s",flags,name);
Bit16u attr;
if(DOS_GetFileAttr(name,&attr)){ //DON'T ALLOW directories to be openened
if((attr & DOS_ATTR_DIRECTORY) || (attr & DOS_ATTR_VOLUME)){
DOS_SetError(DOSERR_ACCESS_DENIED);
return false;
}
}
DOS_PSP psp(dos.psp);
Bit8u handle=DOS_FindDevice((char *)name);
bool device=false;char fullname[DOS_PATHLENGTH];Bit8u drive;Bit8u i;