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Prevent buffer overflow with extra long arguments.

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This commit is contained in:
Warner Losh 1998-09-17 20:18:11 +00:00
parent b8cff82d7f
commit fc1e823247
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=39430
1 changed files with 2 additions and 4 deletions
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6
sbin/restore/interactive.c
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@ -36,7 +36,7 @@
static char sccsid[] = "@(#)interactive.c 8.5 (Berkeley) 5/1/95";
#endif
static const char rcsid[] =
"$Id$";
"$Id: interactive.c,v 1.5 1998/07/28 06:20:08 charnier Exp $";
#endif /* not lint */
#include <sys/param.h>
@ -366,9 +366,7 @@ getcmd(curdir, cmd, name, size, ap)
* For relative pathnames, prepend the current directory to
* it then canonicalize and return it.
*/
(void) strcpy(output, curdir);
(void) strcat(output, "/");
(void) strcat(output, rawname);
snprintf(output, sizeof(output), "%s/%s", curdir, rawname);
canon(output, name, size);
}
if (glob(name, GLOB_ALTDIRFUNC, NULL, &ap->glob) < 0)