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Security: replace all uses of strcat and strcpy with strncat and strncpy

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rocky
2006-03-18 00:53:20 +00:00
parent 94eda2ef9d
commit 49bc5ccb3f
6 changed files with 32 additions and 56 deletions
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16
lib/driver/gnu_linux.c
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@@ -1,5 +1,5 @@
/*
$Id: gnu_linux.c,v 1.19 2005/11/07 07:41:29 rocky Exp $
$Id: gnu_linux.c,v 1.20 2006/03/18 00:53:20 rocky Exp $
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2002, 2003, 2004, 2005 Rocky Bernstein <rocky@panix.com>
@@ -27,7 +27,7 @@
# include "config.h"
#endif
static const char _rcsid[] = "$Id: gnu_linux.c,v 1.19 2005/11/07 07:41:29 rocky Exp $";
static const char _rcsid[] = "$Id: gnu_linux.c,v 1.20 2006/03/18 00:53:20 rocky Exp $";
#include <string.h>
@@ -140,20 +140,24 @@ check_mounts_linux(const char *mtab)
char *tmp;
char *mnt_type;
char *mnt_dev;
unsigned int i_mnt_type;
unsigned int i_mnt_dev;
while ( (mntent=getmntent(mntfp)) != NULL ) {
mnt_type = malloc(strlen(mntent->mnt_type) + 1);
i_mnt_type = strlen(mntent->mnt_type) + 1;
mnt_type = calloc(1, i_mnt_type);
if (mnt_type == NULL)
continue; /* maybe you'll get lucky next time. */
mnt_dev = malloc(strlen(mntent->mnt_fsname) + 1);
i_mnt_dev = strlen(mntent->mnt_fsname) + 1;
mnt_dev = calloc(1, i_mnt_dev);
if (mnt_dev == NULL) {
free(mnt_type);
continue;
}
strcpy(mnt_type, mntent->mnt_type);
strcpy(mnt_dev, mntent->mnt_fsname);
strncpy(mnt_type, mntent->mnt_type, i_mnt_type);
strncpy(mnt_dev, mntent->mnt_fsname, i_mnt_dev);
/* Handle "supermount" filesystem mounts */
if ( strcmp(mnt_type, "supermount") == 0 ) {