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Allow applications to disable the installation of the atexit() handler

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which cleans up OPIE lockfiles. This is required for pam_opie.

Submitted by:   Jim Bloom <bloom@acm.org>
This commit is contained in:
Kris Kennaway 2000-04-17 00:01:23 +00:00
parent e50c89eca8
commit bf1d0435ca
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=59300
2 changed files with 13 additions and 2 deletions
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12
contrib/opie/libopie/lock.c
View File

@ -27,6 +27,8 @@ License Agreement applies to this software.
error return values. Check open() return value properly. error return values. Check open() return value properly.
Avoid NULL. Avoid NULL.
Created at NRL for OPIE 2.2 from opiesubr2.c Created at NRL for OPIE 2.2 from opiesubr2.c
$FreeBSD$
*/ */
#include "opie_cfg.h" #include "opie_cfg.h"
#if HAVE_STRING_H #if HAVE_STRING_H
@ -49,12 +51,17 @@ License Agreement applies to this software.
#endif /* !HAVE_LSTAT */ #endif /* !HAVE_LSTAT */
int __opie_lockrefcount = 0; int __opie_lockrefcount = 0;
static int do_atexit = 1;
VOIDRET opiedisableaeh FUNCTION_NOARGS
{
do_atexit = 0;
}
#if USER_LOCKING #if USER_LOCKING
char *__opie_lockfilename = (char *)0; char *__opie_lockfilename = (char *)0;
/* atexit() handler for opielock() */ /* atexit() handler for opielock() */
static VOIDRET opieunlockaeh FUNCTION_NOARGS VOIDRET opieunlockaeh FUNCTION_NOARGS
{ {
if (__opie_lockfilename) { if (__opie_lockfilename) {
__opie_lockrefcount = 0; __opie_lockrefcount = 0;
@ -227,7 +234,8 @@ int opielock FUNCTION((principal), char *principal)
__opie_lockrefcount++; __opie_lockrefcount++;
rval = 0; rval = 0;
atexit(opieunlockaeh); if (do_atexit)
atexit(opieunlockaeh);
lockret: lockret:
if (fh >= 0) if (fh >= 0)

3
contrib/opie/opie.h
View File

@ -93,6 +93,9 @@ void opiehash __P((void *, unsigned));
int opiehtoi __P((register char)); int opiehtoi __P((register char));
int opiekeycrunch __P((int, char *, char *, char *)); int opiekeycrunch __P((int, char *, char *, char *));
int opielock __P((char *)); int opielock __P((char *));
int opieunlock __P((void));
void opieunlockaeh __P((void));
void opiedisableaeh __P((void));
int opielookup __P((struct opie *,char *)); int opielookup __P((struct opie *,char *));
int opiepasscheck __P((char *)); int opiepasscheck __P((char *));
void opierandomchallenge __P((char *)); void opierandomchallenge __P((char *));