diff options
-rw-r--r-- | usr.sbin/cron/config.h | 8 | ||||
-rw-r--r-- | usr.sbin/cron/crontab.1 | 8 | ||||
-rw-r--r-- | usr.sbin/cron/crontab.c | 6 | ||||
-rw-r--r-- | usr.sbin/cron/funcs.h | 4 | ||||
-rw-r--r-- | usr.sbin/cron/misc.c | 55 |
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); } |