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-rw-r--r--usr.sbin/cron/config.h8
-rw-r--r--usr.sbin/cron/crontab.18
-rw-r--r--usr.sbin/cron/crontab.c6
-rw-r--r--usr.sbin/cron/funcs.h4
-rw-r--r--usr.sbin/cron/misc.c55
5 files changed, 25 insertions, 56 deletions
diff --git a/usr.sbin/cron/config.h b/usr.sbin/cron/config.h
index 1a1639c553e..33944a2ed24 100644
--- a/usr.sbin/cron/config.h
+++ b/usr.sbin/cron/config.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: config.h,v 1.13 2002/07/15 19:13:29 millert Exp $ */
+/* $OpenBSD: config.h,v 1.14 2003/02/20 19:12:16 millert Exp $ */
/* Copyright 1988,1990,1993,1994 by Paul Vixie
* All rights reserved
@@ -65,12 +65,6 @@
* generate the Date: header.
*/
- /* if ALLOW_FILE and DENY_FILE are not defined or are
- * defined but neither exists, should crontab(1) be
- * usable only by root?
- */
-/*#define ALLOW_ONLY_ROOT -*/
-
/* if you want to use syslog(3) instead of appending
* to CRONDIR/LOG_FILE (/var/cron/log, e.g.), define
* SYSLOG here. Note that quite a bit of logging
diff --git a/usr.sbin/cron/crontab.1 b/usr.sbin/cron/crontab.1
index 0eddd4603de..50b3616f262 100644
--- a/usr.sbin/cron/crontab.1
+++ b/usr.sbin/cron/crontab.1
@@ -15,7 +15,7 @@
.\" ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
.\" SOFTWARE.
.\"
-.\" $OpenBSD: crontab.1,v 1.17 2003/02/20 17:28:29 millert Exp $
+.\" $OpenBSD: crontab.1,v 1.18 2003/02/20 19:12:16 millert Exp $
.\"
.Dd June 8, 1999
.Dt CRONTAB 1
@@ -65,11 +65,9 @@ be listed in the
.Pa /var/cron/cron.deny
file in order to use
.Nm crontab .
-If neither of these files exists, then
-depending on site-dependent configuration parameters, only the super user
+If neither of these files exists then only the super user
will be allowed to use
-.Nm crontab ,
-or all users will be able to use it.
+.Nm crontab .
.Em NOTE :
if they exist,
.Pa /var/cron/cron.allow
diff --git a/usr.sbin/cron/crontab.c b/usr.sbin/cron/crontab.c
index 05ca44003a3..9accc8d24d9 100644
--- a/usr.sbin/cron/crontab.c
+++ b/usr.sbin/cron/crontab.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: crontab.c,v 1.38 2003/02/18 02:25:39 millert Exp $ */
+/* $OpenBSD: crontab.c,v 1.39 2003/02/20 19:12:16 millert Exp $ */
/* Copyright 1988,1990,1993,1994 by Paul Vixie
* All rights reserved
*/
@@ -21,7 +21,7 @@
*/
#if !defined(lint) && !defined(LINT)
-static char const rcsid[] = "$OpenBSD: crontab.c,v 1.38 2003/02/18 02:25:39 millert Exp $";
+static char const rcsid[] = "$OpenBSD: crontab.c,v 1.39 2003/02/20 19:12:16 millert Exp $";
#endif
/* crontab - install and manage per-user crontab files
@@ -88,7 +88,7 @@ main(int argc, char *argv[]) {
#endif
parse_args(argc, argv); /* sets many globals, opens a file */
set_cron_cwd();
- if (!allowed(User)) {
+ if (!allowed(RealUser, ALLOW_FILE, DENY_FILE)) {
fprintf(stderr,
"You (%s) are not allowed to use this program (%s)\n",
User, ProgramName);
diff --git a/usr.sbin/cron/funcs.h b/usr.sbin/cron/funcs.h
index 84a2bf67260..e7dc347d500 100644
--- a/usr.sbin/cron/funcs.h
+++ b/usr.sbin/cron/funcs.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: funcs.h,v 1.8 2002/07/15 19:13:29 millert Exp $ */
+/* $OpenBSD: funcs.h,v 1.9 2003/02/20 19:12:16 millert Exp $ */
/*
* Copyright (c) 1997,2000 by Internet Software Consortium, Inc.
@@ -51,7 +51,7 @@ int job_runqueue(void),
cron_pclose(FILE *),
glue_strings(char *, size_t, const char *, const char *, char),
strcmp_until(const char *, const char *, char),
- allowed(const char *),
+ allowed(const char *, const char *, const char *),
strdtb(char *),
open_socket(void),
safe_p(const char *, const char *),
diff --git a/usr.sbin/cron/misc.c b/usr.sbin/cron/misc.c
index 8ea94593f0c..b234f1cabeb 100644
--- a/usr.sbin/cron/misc.c
+++ b/usr.sbin/cron/misc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: misc.c,v 1.24 2003/02/18 02:25:39 millert Exp $ */
+/* $OpenBSD: misc.c,v 1.25 2003/02/20 19:12:16 millert Exp $ */
/* Copyright 1988,1990,1993,1994 by Paul Vixie
* All rights reserved
*/
@@ -21,7 +21,7 @@
*/
#if !defined(lint) && !defined(LINT)
-static char const rcsid[] = "$OpenBSD: misc.c,v 1.24 2003/02/18 02:25:39 millert Exp $";
+static char const rcsid[] = "$OpenBSD: misc.c,v 1.25 2003/02/20 19:12:16 millert Exp $";
#endif
/* vix 26jan87 [RCS has the rest of the log]
@@ -432,49 +432,26 @@ in_file(const char *string, FILE *file, int error)
return (FALSE);
}
-/* int allowed(const char *username)
- * returns TRUE if (ALLOW_FILE exists and user is listed)
- * or (DENY_FILE exists and user is NOT listed)
- * or (neither file exists but user=="root" so it's okay)
+/* int allowed(const char *username, const char *allow_file, const char *deny_file)
+ * returns TRUE if (allow_file exists and user is listed)
+ * or (deny_file exists and user is NOT listed).
+ * root is always allowed.
*/
int
-allowed(const char *username) {
- FILE *allow = NULL;
- FILE *deny = NULL;
+allowed(const char *username, const char *allow_file, const char *deny_file) {
+ FILE *fp;
int isallowed;
-#if defined(ALLOW_FILE) && defined(DENY_FILE)
+ if (strcmp(username, ROOT_USER) == 0)
+ return (TRUE);
isallowed = FALSE;
- allow = fopen(ALLOW_FILE, "r");
- if (allow == NULL && errno != ENOENT)
- goto out;
- deny = fopen(DENY_FILE, "r");
- if (deny == NULL && errno != ENOENT)
- goto out;
- Debug(DMISC, ("allow/deny enabled, %d/%d\n", !!allow, !!deny))
-
- if (allow) {
- isallowed = in_file(username, allow, FALSE);
- goto out;
+ if ((fp = fopen(allow_file, "r")) != NULL) {
+ isallowed = in_file(username, fp, FALSE);
+ fclose(fp);
+ } else if ((fp = fopen(deny_file, "r")) != NULL) {
+ isallowed = !in_file(username, fp, FALSE);
+ fclose(fp);
}
- if (deny) {
- isallowed = !in_file(username, deny, TRUE);
- goto out;
- }
-#endif
-
-#if defined(ALLOW_ONLY_ROOT)
- isallowed = strcmp(username, ROOT_USER) == 0;
-#else
- isallowed = TRUE;
-#endif
-
-out:
- if (allow)
- fclose(allow);
- if (deny)
- fclose(deny);
-
return (isallowed);
}