Index: src/backend/commands/copy.c
===================================================================
RCS file: /var/cvsup/pgsql/src/backend/commands/copy.c,v
retrieving revision 1.144
diff -c -r1.144 copy.c
*** src/backend/commands/copy.c	4 Dec 2001 21:19:57 -0000	1.144
--- src/backend/commands/copy.c	17 Jan 2002 11:56:27 -0000
***************
*** 326,337 ****
  		}
  		else
  		{
  			fp = AllocateFile(filename, PG_BINARY_R);
! 			if (fp == NULL)
  				elog(ERROR, "COPY command, running in backend with "
  					 "effective uid %d, could not open file '%s' for "
  					 "reading.  Errno = %s (%d).",
  					 (int) geteuid(), filename, strerror(errno), errno);
  		}
  		CopyFrom(rel, binary, oids, fp, delim, null_print);
  	}
--- 326,343 ----
  		}
  		else
  		{
+       struct stat st;
  			fp = AllocateFile(filename, PG_BINARY_R);
! 			
!       if (fp == NULL)
  				elog(ERROR, "COPY command, running in backend with "
  					 "effective uid %d, could not open file '%s' for "
  					 "reading.  Errno = %s (%d).",
  					 (int) geteuid(), filename, strerror(errno), errno);
+       
+       fstat(fileno(fp),&st);
+       if( S_ISDIR(st.st_mode) )
+         elog(ERROR,"COPY: %s is a directory.",filename);
  		}
  		CopyFrom(rel, binary, oids, fp, delim, null_print);
  	}
Index: src/bin/psql/copy.c
===================================================================
RCS file: /var/cvsup/pgsql/src/bin/psql/copy.c,v
retrieving revision 1.19
diff -c -r1.19 copy.c
*** src/bin/psql/copy.c	2 Jun 2001 18:25:18 -0000	1.19
--- src/bin/psql/copy.c	17 Jan 2002 11:58:11 -0000
***************
*** 11,16 ****
--- 11,17 ----
  #include <errno.h>
  #include <assert.h>
  #include <signal.h>
+ #include <sys/stat.h>
  #ifndef WIN32
  #include <unistd.h>				/* for isatty */
  #else
***************
*** 233,238 ****
--- 234,240 ----
  	struct copy_options *options;
  	PGresult   *result;
  	bool		success;
+   struct stat st;
  
  	/* parse options */
  	options = parse_slash_copy(args);
***************
*** 292,298 ****
  		free_copy_options(options);
  		return false;
  	}
! 
  	result = PSQLexec(query);
  
  	switch (PQresultStatus(result))
--- 294,308 ----
  		free_copy_options(options);
  		return false;
  	}
!   /* make sure the specified file is not a directory */
!   fstat(fileno(copystream),&st);
!   if( S_ISDIR(st.st_mode) ){
! 		psql_error("%s: cannot COPY TO/FROM a directory\n",
! 				   options->file);
! 		free_copy_options(options);
! 		return false;
!   }
!   
  	result = PSQLexec(query);
  
  	switch (PQresultStatus(result))