Home | History | Annotate | Line # | Download | only in libexecinfo
t_backtrace_sandbox.c revision 1.1 
      1 /*	$NetBSD: t_backtrace_sandbox.c,v 1.1 2025/01/23 12:32:38 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2025 Kyle Evans <kevans (at) FreeBSD.org>
      5  *
      6  * SPDX-License-Identifier: BSD-2-Clause
      7  */
      8 #include <sys/cdefs.h>
      9 __RCSID("$NetBSD: t_backtrace_sandbox.c,v 1.1 2025/01/23 12:32:38 christos Exp $");
     10 
     11 #include <sys/param.h>
     12 #ifdef __FreeBSD__
     13 #include <sys/capsicum.h>
     14 #define __arraycount(a) nitems(a)
     15 #endif
     16 
     17 #include <execinfo.h>
     18 #include <signal.h>
     19 #include <stdio.h>
     20 #include <string.h>
     21 #include <unistd.h>
     22 
     23 #include <atf-c.h>
     24 
     25 #define	BT_FUNCTIONS		10
     26 
     27 ATF_TC(backtrace_sandbox);
     28 ATF_TC_HEAD(backtrace_sandbox, tc)
     29 {
     30         atf_tc_set_md_var(tc, "descr",
     31 	    "Test backtrace_sandbox_init(3) in sandbox");
     32 #ifndef __FreeBSD__
     33 	atf_tc_set_md_var(tc, "require.user", "root");
     34 #endif
     35 }
     36 
     37 ATF_TC_BODY(backtrace_sandbox, tc)
     38 {
     39 	void *addr[BT_FUNCTIONS];
     40 	char **syms;
     41 	size_t frames;
     42 
     43 	frames = backtrace(addr, __arraycount(addr));
     44 	ATF_REQUIRE(frames > 0);
     45 
     46 	syms = backtrace_symbols_fmt(addr, frames, "%n");
     47 	ATF_REQUIRE(strcmp(syms[0], "atfu_backtrace_sandbox_body") == 0);
     48 
     49 	backtrace_sandbox_init();
     50 #ifdef __FreeBSD__
     51 	cap_enter();
     52 #else
     53 	ATF_REQUIRE(chroot("/tmp") == 0);
     54 #endif
     55 
     56 	syms = backtrace_symbols_fmt(addr, frames, "%n");
     57 	ATF_REQUIRE(strcmp(syms[0], "atfu_backtrace_sandbox_body") == 0);
     58 }
     59 
     60 ATF_TP_ADD_TCS(tp)
     61 {
     62 
     63 	ATF_TP_ADD_TC(tp, backtrace_sandbox);
     64 
     65 	return atf_no_error();
     66 }
     67