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add lastlogx implementation.

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This commit is contained in:
christos 2002-07-27 19:38:29 +00:00
parent 230d3c5bc9
commit fef92308ac
1 changed files with 80 additions and 6 deletions
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86
lib/libc/gen/utmpx.c
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@ -1,4 +1,4 @@
/* $NetBSD: utmpx.c,v 1.8 2002/07/27 15:44:45 christos Exp $ */
/* $NetBSD: utmpx.c,v 1.9 2002/07/27 19:38:29 christos Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
@ -38,7 +38,7 @@
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: utmpx.c,v 1.8 2002/07/27 15:44:45 christos Exp $");
__RCSID("$NetBSD: utmpx.c,v 1.9 2002/07/27 19:38:29 christos Exp $");
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
@ -56,10 +56,13 @@ __RCSID("$NetBSD: utmpx.c,v 1.8 2002/07/27 15:44:45 christos Exp $");
#include <utmpx.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <db.h>
static FILE *fp;
static struct utmpx ut;
static char utfile[MAXPATHLEN] = _PATH_UTMPX;
static char llfile[MAXPATHLEN] = _PATH_LASTLOGX;
static struct utmpx *utmp_update(const struct utmpx *);
@ -280,14 +283,14 @@ utmp_update(const struct utmpx *utx)
}
void
int
updwtmpx(const char *file, const struct utmpx *utx)
{
int fd = open(file, O_WRONLY | O_APPEND);
int fd = open(file, O_WRONLY|O_APPEND|O_EXLOCK);
if (fd == -1) {
if ((fd = open(file, O_CREAT | O_WRONLY, 0644)) == -1)
return;
if ((fd = open(file, O_CREAT|O_WRONLY|O_EXLOCK, 0644)) == -1)
return -1;
(void)memset(&ut, 0, sizeof(ut));
ut.ut_type = SIGNATURE;
(void)memcpy(ut.ut_user, vers, sizeof(vers));
@ -295,6 +298,7 @@ updwtmpx(const char *file, const struct utmpx *utx)
}
(void)write(fd, utx, sizeof(*utx));
(void)close(fd);
return 0;
}
@ -345,3 +349,73 @@ getutmpx(const struct utmp *u, struct utmpx *ux)
ux->ut_exit.e_termination = 0;
ux->ut_exit.e_exit = 0;
}
int
lastlogxname(const char *fname)
{
size_t len = strlen(fname);
if (len >= sizeof(llfile))
return 0;
/* must end in x! */
if (fname[len - 1] != 'x')
return 0;
(void)strcpy(llfile, fname);
return 1;
}
struct lastlogx *
getlastlogx(uid_t uid, struct lastlogx *ll)
{
DBT key, data;
DB *db = dbopen(llfile, O_RDONLY|O_SHLOCK, 0, DB_HASH, NULL);
if (db == NULL)
return NULL;
key.data = &uid;
key.size = sizeof(uid);
if ((db->get)(db, &key, &data, 0) != 0)
goto error;
if (data.size != sizeof(*ll)) {
errno = EFTYPE;
goto error;
}
if (ll == NULL)
if ((ll = malloc(sizeof(*ll))) == NULL)
goto done;
(void)memcpy(ll, data.data, sizeof(*ll));
goto done;
error:
ll = NULL;
done:
(db->close)(db);
return ll;
}
int
updlastlogx(const char *fname, uid_t uid, struct lastlogx *ll)
{
DBT key, data;
int error = 0;
DB *db = dbopen(llfile, O_RDWR|O_CREAT|O_EXLOCK, 0, DB_HASH, NULL);
if (db == NULL)
return -1;
key.data = &uid;
key.size = sizeof(uid);
data.data = ll;
data.size = sizeof(*ll);
if ((db->put)(db, &key, &data, 0) != 0)
error = -1;
(db->close)(db);
return error;
}