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Check that specified in the command line path is actually a directory,

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otherwise we are risking to coredump later on.
This commit is contained in:
Maxim Sobolev 2004-04-30 00:20:58 +00:00
parent 3c96564d00
commit b7abc67ea4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=128742
1 changed files with 9 additions and 0 deletions
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9
usr.sbin/kldxref/kldxref.c
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@ -32,6 +32,7 @@
* $FreeBSD$
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/exec.h>
#include <sys/queue.h>
@ -272,6 +273,7 @@ main(int argc, char *argv[])
FTS *ftsp;
FTSENT *p;
int opt, fts_options, ival;
struct stat sb;
fts_options = FTS_PHYSICAL;
/* SLIST_INIT(&kldlist);*/
@ -300,6 +302,13 @@ main(int argc, char *argv[])
argc -= optind;
argv += optind;
if (stat(argv[0], &sb) != 0)
err(1, "%s", argv[0]);
if ((sb.st_mode & S_IFDIR) == 0) {
errno = ENOTDIR;
err(1, "%s", argv[0]);
}
ftsp = fts_open(argv, fts_options, 0);
if (ftsp == NULL)
exit(1);