mirror of
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e7fba5c772
Make regression/priv compile again after the multi-IP jail changes. Note that we are still using the legacy jail(2) rather than the jail_set(2)/jail(3) syscall. Add an IPv4, and an IPv6 loopback address in case we compile with INET6 enabled. Make the priv_vfs_extattr_system compile on amd64 as well using the proper length modifier to printf(3) for ssize_t. Reviewed by: rwatson Approved by: re (kib)
535 lines
17 KiB
C
535 lines
17 KiB
C
/*-
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* Copyright (c) 2006 nCircle Network Security, Inc.
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* Copyright (c) 2007 Robert N. M. Watson
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* All rights reserved.
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*
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* This software was developed by Robert N. M. Watson for the TrustedBSD
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* Project under contract to nCircle Network Security, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR, NCIRCLE NETWORK SECURITY,
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* INC., OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Privilege test framework. Each test is encapsulated on a .c file
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* exporting a function that implements the test. Each test is run from its
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* own child process, and they are run in sequence one at a time.
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*/
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#include <sys/param.h>
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#include <sys/jail.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <netinet/in.h>
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#include <err.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "main.h"
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/*
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* Registration table of privilege tests. Each test registers a name, a test
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* function, and a cleanup function to run after the test has completed,
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* regardless of success/failure.
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*/
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static struct test tests[] = {
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{ "priv_acct_enable", priv_acct_setup, priv_acct_enable,
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priv_acct_cleanup },
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{ "priv_acct_disable", priv_acct_setup, priv_acct_disable,
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priv_acct_cleanup },
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{ "priv_acct_rotate", priv_acct_setup, priv_acct_rotate,
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priv_acct_cleanup },
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{ "priv_acct_noopdisable", priv_acct_setup, priv_acct_noopdisable,
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priv_acct_cleanup },
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{ "priv_adjtime_set", priv_adjtime_setup, priv_adjtime_set,
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priv_adjtime_cleanup },
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{ "priv_audit_submit", priv_audit_submit_setup, priv_audit_submit,
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priv_audit_submit_cleanup },
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{ "priv_audit_control", priv_audit_control_setup, priv_audit_control,
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priv_audit_control_cleanup },
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{ "priv_audit_getaudit", priv_audit_getaudit_setup,
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priv_audit_getaudit, priv_audit_getaudit_cleanup },
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{ "priv_audit_getaudit_addr", priv_audit_getaudit_setup,
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priv_audit_getaudit_addr, priv_audit_getaudit_cleanup },
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{ "priv_audit_setaudit", priv_audit_setaudit_setup,
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priv_audit_setaudit, priv_audit_setaudit_cleanup },
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{ "priv_audit_setaudit_addr", priv_audit_setaudit_setup,
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priv_audit_setaudit_addr, priv_audit_setaudit_cleanup },
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{ "priv_clock_settime", priv_clock_settime_setup, priv_clock_settime,
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priv_clock_settime_cleanup },
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{ "priv_cred_setuid", priv_cred_setup, priv_cred_setuid,
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priv_cred_cleanup },
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{ "priv_cred_seteuid", priv_cred_setup, priv_cred_seteuid,
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priv_cred_cleanup },
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{ "priv_cred_setgid", priv_cred_setup, priv_cred_setgid,
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priv_cred_cleanup },
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{ "priv_cred_setegid", priv_cred_setup, priv_cred_setegid,
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priv_cred_cleanup },
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{ "priv_cred_setgroups", priv_cred_setup, priv_cred_setgroups,
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priv_cred_cleanup },
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{ "priv_cred_setreuid", priv_cred_setup, priv_cred_setreuid,
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priv_cred_cleanup },
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{ "priv_cred_setregid", priv_cred_setup, priv_cred_setregid,
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priv_cred_cleanup },
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{ "priv_cred_setresuid", priv_cred_setup, priv_cred_setresuid,
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priv_cred_cleanup },
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{ "priv_cred_setresgid", priv_cred_setup, priv_cred_setresgid,
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priv_cred_cleanup },
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{ "priv_io", priv_io_setup, priv_io, priv_io_cleanup },
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{ "priv_kenv_set", priv_kenv_set_setup, priv_kenv_set,
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priv_kenv_set_cleanup },
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{ "priv_kenv_unset", priv_kenv_unset_setup, priv_kenv_unset,
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priv_kenv_unset_cleanup },
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{ "priv_msgbuf_privonly", priv_msgbuf_privonly_setup,
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priv_msgbuf_privonly, priv_msgbuf_cleanup },
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{ "priv_msgbuf_unprivok", priv_msgbuf_unprivok_setup,
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priv_msgbuf_unprivok, priv_msgbuf_cleanup },
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{ "priv_netinet_ipsec_pfkey", NULL, priv_netinet_ipsec_pfkey, NULL },
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{ "priv_netinet_ipsec_policy4_bypass",
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priv_netinet_ipsec_policy4_bypass_setup,
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priv_netinet_ipsec_policy4_bypass,
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priv_netinet_ipsec_policy_bypass_cleanup },
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#ifdef INET6
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{ "priv_netinet_ipsec_policy6_bypass",
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priv_netinet_ipsec_policy6_bypass_setup,
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priv_netinet_ipsec_policy6_bypass,
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priv_netinet_ipsec_policy_bypass_cleanup },
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#endif
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{ "priv_netinet_ipsec_policy4_entrust",
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priv_netinet_ipsec_policy4_entrust_setup,
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priv_netinet_ipsec_policy4_entrust,
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priv_netinet_ipsec_policy_entrust_cleanup },
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#ifdef INET6
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{ "priv_netinet_ipsec_policy6_entrust",
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priv_netinet_ipsec_policy6_entrust_setup,
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priv_netinet_ipsec_policy6_entrust,
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priv_netinet_ipsec_policy_entrust_cleanup },
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#endif
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{ "priv_netinet_raw", priv_netinet_raw_setup, priv_netinet_raw,
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priv_netinet_raw_cleanup },
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{ "priv_proc_setlogin", priv_proc_setlogin_setup, priv_proc_setlogin,
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priv_proc_setlogin_cleanup },
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{ "priv_proc_setrlimit_raisemax", priv_proc_setrlimit_setup,
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priv_proc_setrlimit_raisemax, priv_proc_setrlimit_cleanup },
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{ "priv_proc_setrlimit_raisecur", priv_proc_setrlimit_setup,
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priv_proc_setrlimit_raisecur, priv_proc_setrlimit_cleanup },
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{ "priv_proc_setrlimit_raisecur_nopriv", priv_proc_setrlimit_setup,
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priv_proc_setrlimit_raisecur_nopriv,
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priv_proc_setrlimit_cleanup },
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{ "priv_sched_rtprio_curproc_normal", priv_sched_rtprio_setup,
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priv_sched_rtprio_curproc_normal, priv_sched_rtprio_cleanup },
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{ "priv_sched_rtprio_curproc_idle", priv_sched_rtprio_setup,
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priv_sched_rtprio_curproc_idle, priv_sched_rtprio_cleanup },
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{ "priv_sched_rtprio_curproc_realtime", priv_sched_rtprio_setup,
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priv_sched_rtprio_curproc_realtime, priv_sched_rtprio_cleanup },
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{ "priv_sched_rtprio_myproc_normal", priv_sched_rtprio_setup,
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priv_sched_rtprio_myproc_normal, priv_sched_rtprio_cleanup },
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{ "priv_sched_rtprio_myproc_idle", priv_sched_rtprio_setup,
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priv_sched_rtprio_myproc_idle, priv_sched_rtprio_cleanup },
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{ "priv_sched_rtprio_myproc_realtime", priv_sched_rtprio_setup,
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priv_sched_rtprio_myproc_realtime, priv_sched_rtprio_cleanup },
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{ "priv_sched_rtprio_aproc_normal", priv_sched_rtprio_setup,
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priv_sched_rtprio_aproc_normal, priv_sched_rtprio_cleanup },
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{ "priv_sched_rtprio_aproc_idle", priv_sched_rtprio_setup,
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priv_sched_rtprio_aproc_idle, priv_sched_rtprio_cleanup },
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{ "priv_sched_rtprio_aproc_realtime", priv_sched_rtprio_setup,
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priv_sched_rtprio_aproc_realtime, priv_sched_rtprio_cleanup },
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{ "priv_sched_setpriority_curproc", priv_sched_setpriority_setup,
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priv_sched_setpriority_curproc, priv_sched_setpriority_cleanup },
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{ "priv_sched_setpriority_myproc", priv_sched_setpriority_setup,
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priv_sched_setpriority_myproc, priv_sched_setpriority_cleanup },
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{ "priv_sched_setpriority_aproc", priv_sched_setpriority_setup,
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priv_sched_setpriority_aproc, priv_sched_setpriority_cleanup },
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{ "priv_settimeofday", priv_settimeofday_setup, priv_settimeofday,
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priv_settimeofday_cleanup },
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{ "priv_sysctl_write", priv_sysctl_write_setup, priv_sysctl_write,
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priv_sysctl_write_cleanup },
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{ "priv_sysctl_writejail", priv_sysctl_write_setup,
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priv_sysctl_writejail, priv_sysctl_write_cleanup },
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{ "priv_vfs_chflags_froot_uflags", priv_vfs_chflags_froot_setup,
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priv_vfs_chflags_froot_uflags, priv_vfs_chflags_cleanup },
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{ "priv_vfs_chflags_froot_sflags", priv_vfs_chflags_froot_setup,
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priv_vfs_chflags_froot_sflags, priv_vfs_chflags_cleanup },
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{ "priv_vfs_chflags_fowner_uflags", priv_vfs_chflags_fowner_setup,
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priv_vfs_chflags_fowner_uflags, priv_vfs_chflags_cleanup },
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{ "priv_vfs_chflags_fowner_sflags", priv_vfs_chflags_fowner_setup,
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priv_vfs_chflags_fowner_sflags, priv_vfs_chflags_cleanup },
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{ "priv_vfs_chflags_fother_uflags", priv_vfs_chflags_fother_setup,
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priv_vfs_chflags_fother_uflags, priv_vfs_chflags_cleanup },
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{ "priv_vfs_chflags_fother_sflags", priv_vfs_chflags_fother_setup,
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priv_vfs_chflags_fother_sflags, priv_vfs_chflags_cleanup },
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{ "priv_vfs_chmod_froot", priv_vfs_chmod_froot_setup,
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priv_vfs_chmod_froot, priv_vfs_chmod_cleanup },
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{ "priv_vfs_chmod_fowner", priv_vfs_chmod_fowner_setup,
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priv_vfs_chmod_fowner, priv_vfs_chmod_cleanup },
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{ "priv_vfs_chmod_fother", priv_vfs_chmod_fother_setup,
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priv_vfs_chmod_fother, priv_vfs_chmod_cleanup },
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{ "priv_vfs_chown_uid", priv_vfs_chown_uid_setup, priv_vfs_chown_uid,
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priv_vfs_chown_cleanup },
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{ "priv_vfs_chown_mygid", priv_vfs_chown_mygid_setup,
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priv_vfs_chown_mygid, priv_vfs_chown_cleanup },
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{ "priv_vfs_chown_othergid", priv_vfs_chown_othergid_setup,
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priv_vfs_chown_othergid, priv_vfs_chown_cleanup },
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{ "priv_vfs_chroot", priv_vfs_chroot_setup, priv_vfs_chroot,
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priv_vfs_chroot_cleanup },
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{ "priv_vfs_clearsugid_chgrp", priv_vfs_clearsugid_setup,
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priv_vfs_clearsugid_chgrp, priv_vfs_clearsugid_cleanup },
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{ "priv_vfs_clearsugid_extattr", priv_vfs_clearsugid_setup,
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priv_vfs_clearsugid_extattr, priv_vfs_clearsugid_cleanup },
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{ "priv_vfs_clearsugid_write", priv_vfs_clearsugid_setup,
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priv_vfs_clearsugid_write, priv_vfs_clearsugid_cleanup },
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{ "priv_vfs_extattr_system", priv_vfs_extattr_system_setup,
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priv_vfs_extattr_system, priv_vfs_extattr_system_cleanup },
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{ "priv_vfs_fhopen", priv_vfs_fhopen_setup, priv_vfs_fhopen,
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priv_vfs_fhopen_cleanup },
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{ "priv_vfs_fhstat", priv_vfs_fhstat_setup, priv_vfs_fhstat,
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priv_vfs_fhstat_cleanup },
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{ "priv_vfs_fhstatfs", priv_vfs_fhstatfs_setup, priv_vfs_fhstatfs,
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priv_vfs_fhstatfs_cleanup },
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{ "priv_vfs_generation", priv_vfs_generation_setup,
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priv_vfs_generation, priv_vfs_generation_cleanup },
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{ "priv_vfs_getfh", priv_vfs_getfh_setup, priv_vfs_getfh,
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priv_vfs_getfh_cleanup },
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{ "priv_vfs_readwrite_fowner", priv_vfs_readwrite_fowner_setup,
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priv_vfs_readwrite_fowner, priv_vfs_readwrite_cleanup },
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{ "priv_vfs_readwrite_fgroup", priv_vfs_readwrite_fgroup_setup,
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priv_vfs_readwrite_fgroup, priv_vfs_readwrite_cleanup },
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{ "priv_vfs_readwrite_fother", priv_vfs_readwrite_fother_setup,
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priv_vfs_readwrite_fother, priv_vfs_readwrite_cleanup },
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{ "priv_vfs_setgid_fowner", priv_vfs_setgid_fowner_setup,
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priv_vfs_setgid_fowner, priv_vfs_setgid_cleanup },
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{ "priv_vfs_setgid_fother", priv_vfs_setgid_fother_setup,
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priv_vfs_setgid_fother, priv_vfs_setgid_cleanup },
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{ "priv_vfs_stickyfile_dir_fowner",
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priv_vfs_stickyfile_dir_fowner_setup,
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priv_vfs_stickyfile_dir_fowner,
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priv_vfs_stickyfile_dir_cleanup },
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{ "priv_vfs_stickyfile_dir_fother",
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priv_vfs_stickyfile_dir_fother_setup,
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priv_vfs_stickyfile_dir_fother,
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priv_vfs_stickyfile_dir_cleanup },
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{ "priv_vfs_stickyfile_file_fowner",
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priv_vfs_stickyfile_file_fowner_setup,
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priv_vfs_stickyfile_file_fowner,
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priv_vfs_stickyfile_file_cleanup },
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{ "priv_vfs_stickyfile_file_fother",
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priv_vfs_stickyfile_file_fother_setup,
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priv_vfs_stickyfile_file_fother,
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priv_vfs_stickyfile_file_cleanup },
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{ "priv_vfs_utimes_froot", priv_vfs_utimes_froot_setup,
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priv_vfs_utimes_froot, priv_vfs_utimes_cleanup },
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{ "priv_vfs_utimes_froot_null", priv_vfs_utimes_froot_setup,
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priv_vfs_utimes_froot_null, priv_vfs_utimes_cleanup },
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{ "priv_vfs_utimes_fowner", priv_vfs_utimes_fowner_setup,
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priv_vfs_utimes_fowner, priv_vfs_utimes_cleanup },
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{ "priv_vfs_utimes_fowner_null", priv_vfs_utimes_fowner_setup,
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priv_vfs_utimes_fowner_null, priv_vfs_utimes_cleanup },
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{ "priv_vfs_utimes_fother", priv_vfs_utimes_fother_setup,
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priv_vfs_utimes_fother, priv_vfs_utimes_cleanup },
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{ "priv_vfs_utimes_fother_null", priv_vfs_utimes_fother_setup,
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priv_vfs_utimes_fother_null, priv_vfs_utimes_cleanup },
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{ "priv_vm_madv_protect", priv_vm_madv_protect_setup,
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priv_vm_madv_protect, priv_vm_madv_protect_cleanup },
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{ "priv_vm_mlock", priv_vm_mlock_setup, priv_vm_mlock,
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priv_vm_mlock_cleanup },
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{ "priv_vm_munlock", priv_vm_munlock_setup, priv_vm_munlock,
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priv_vm_munlock_cleanup },
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};
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static int tests_count = sizeof(tests) / sizeof(struct test);
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void
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expect(const char *test, int error, int expected_error, int expected_errno)
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{
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if (error == 0) {
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if (expected_error != 0)
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warnx("%s: returned 0", test);
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} else {
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if (expected_error == 0)
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warn("%s: returned (%d, %d)", test, error, errno);
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else if (expected_errno != errno)
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warn("%s: returned (%d, %d)", test, error, errno);
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}
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}
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void
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setup_dir(const char *test, char *dpathp, uid_t uid, gid_t gid, mode_t mode)
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{
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strcpy(dpathp, "/tmp/priv.XXXXXXXXXXX");
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if (mkdtemp(dpathp) == NULL)
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err(-1, "test %s: mkdtemp", test);
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if (chown(dpathp, uid, gid) < 0)
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err(-1, "test %s: chown(%s, %d, %d)", test, dpathp, uid,
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gid);
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if (chmod(dpathp, mode) < 0)
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err(-1, "test %s: chmod(%s, 0%o)", test, dpathp, mode);
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}
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void
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setup_file(const char *test, char *fpathp, uid_t uid, gid_t gid, mode_t mode)
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{
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int fd;
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strcpy(fpathp, "/tmp/priv.XXXXXXXXXXX");
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fd = mkstemp(fpathp);
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if (fd < 0)
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err(-1, "test %s: mkstemp", test);
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if (fchown(fd, uid, gid) < 0)
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err(-1, "test %s: fchown(%s, %d, %d)", test, fpathp, uid,
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gid);
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if (fchmod(fd, mode) < 0)
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err(-1, "test %s: chmod(%s, 0%o)", test, fpathp, mode);
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close(fd);
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}
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/*
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* Irrevocably set credentials to specific uid and gid.
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*/
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static void
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set_creds(const char *test, uid_t uid, gid_t gid)
|
|
{
|
|
gid_t gids[1] = { gid };
|
|
|
|
if (setgid(gid) < 0)
|
|
err(-1, "test %s: setegid(%d)", test, gid);
|
|
if (setgroups(sizeof(gids)/sizeof(gid_t), gids) < 0)
|
|
err(-1, "test %s: setgroups(%d)", test, gid);
|
|
if (setuid(uid) < 0)
|
|
err(-1, "test %s: seteuid(%d)", test, uid);
|
|
}
|
|
|
|
static void
|
|
enter_jail(const char *test)
|
|
{
|
|
struct jail j;
|
|
struct in_addr ia4;
|
|
#ifdef INET6
|
|
struct in6_addr ia6 = IN6ADDR_LOOPBACK_INIT;
|
|
#endif
|
|
|
|
bzero(&j, sizeof(j));
|
|
j.version = JAIL_API_VERSION;
|
|
j.path = "/";
|
|
j.hostname = "test";
|
|
j.jailname = "regressions/priv";
|
|
ia4.s_addr = htonl(INADDR_LOOPBACK);
|
|
j.ip4s = 1;
|
|
j.ip4 = &ia4;
|
|
#ifdef INET6
|
|
j.ip6s = 1;
|
|
j.ip6 = &ia6;
|
|
#endif
|
|
if (jail(&j) < 0)
|
|
err(-1, "test %s: jail", test);
|
|
}
|
|
|
|
static void
|
|
run_child(struct test *test, int asroot, int injail)
|
|
{
|
|
|
|
setprogname(test->t_name);
|
|
if (injail)
|
|
enter_jail(test->t_name);
|
|
if (!asroot)
|
|
set_creds(test->t_name, UID_OWNER, GID_OWNER);
|
|
test->t_test_func(asroot, injail, test);
|
|
}
|
|
|
|
/*
|
|
* Run a test in a particular credential context -- always call the setup and
|
|
* cleanup routines; if setup succeeds, also run the test. Test cleanup must
|
|
* handle cases where the setup has failed, so may need to maintain their own
|
|
* state in order to know what needs cleaning up (such as whether temporary
|
|
* files were created).
|
|
*/
|
|
static void
|
|
run(struct test *test, int asroot, int injail)
|
|
{
|
|
pid_t childpid, pid;
|
|
|
|
if (test->t_setup_func != NULL) {
|
|
if ((test->t_setup_func)(asroot, injail, test) != 0) {
|
|
warnx("run(%s, %d, %d) setup failed", test->t_name,
|
|
asroot, injail);
|
|
goto cleanup;
|
|
}
|
|
}
|
|
fflush(stdout);
|
|
fflush(stderr);
|
|
childpid = fork();
|
|
if (childpid == -1) {
|
|
warn("run(%s, %d, %d) fork failed", test->t_name, asroot,
|
|
injail);
|
|
goto cleanup;
|
|
}
|
|
if (childpid == 0) {
|
|
run_child(test, asroot, injail);
|
|
fflush(stdout);
|
|
fflush(stderr);
|
|
exit(0);
|
|
} else {
|
|
while (1) {
|
|
pid = waitpid(childpid, NULL, 0);
|
|
if (pid == -1)
|
|
warn("test: waitpid %s", test->t_name);
|
|
if (pid == childpid)
|
|
break;
|
|
}
|
|
}
|
|
fflush(stdout);
|
|
fflush(stderr);
|
|
cleanup:
|
|
if (test->t_cleanup_func != NULL)
|
|
test->t_cleanup_func(asroot, injail, test);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int i;
|
|
|
|
/*
|
|
* This test suite will need to become quite a bit more enlightened
|
|
* if the notion of privilege is truly separated from root, as tests
|
|
* make assumptions about when privilege will be present. In
|
|
* particular, VFS-related tests need to manage uids in order to
|
|
* force the use of privilege, and will likely need checking.
|
|
*/
|
|
if (getuid() != 0 && geteuid() != 0)
|
|
errx(-1, "priv: must be run as root");
|
|
|
|
/*
|
|
* Run each test four times, varying whether the process is running
|
|
* as root and in jail in order to test all possible combinations.
|
|
*/
|
|
for (i = 0; i < tests_count; i++) {
|
|
run(&tests[i], 0, 0);
|
|
run(&tests[i], 0, 1);
|
|
run(&tests[i], 1, 0);
|
|
run(&tests[i], 1, 1);
|
|
}
|
|
return (0);
|
|
}
|