d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Test process descriptors.

Browse Source 
Ensure that process descriptors work as expected. We should be able to:
 - pdfork(), like regular fork(), but producing a process descriptor
 - pdgetpid() to convert a PD into a PID
 - pdkill() to send signals to a process identified by a PD

Approved by:  re (kib), mentor (rwatson)
Sponsored by: Google Inc
This commit is contained in:
jonathan 2011-08-18 23:15:04 +00:00
parent 9c3c6695d8
commit 14454847f1
5 changed files with 221 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tools/regression/security/cap_test/Makefile
View File

@ -5,6 +5,8 @@ SRCS= cap_test.c \
cap_test_capmode.c \
cap_test_capabilities.c \
cap_test_fcntl.c \
cap_test_pdfork.c \
cap_test_pdkill.c \
cap_test_relative.c \
cap_test_sysctl.c \

2
tools/regression/security/cap_test/cap_test.c
View File

@ -49,6 +49,8 @@ struct test all_tests[] = {
TEST_INIT(capmode),
TEST_INIT(capabilities),
TEST_INIT(fcntl),
TEST_INIT(pdfork),
TEST_INIT(pdkill),
TEST_INIT(relative),
TEST_INIT(sysctl),
};

3
tools/regression/security/cap_test/cap_test.h
View File

@ -149,6 +149,9 @@ int execute(int id, struct test*);
int test_capmode(void);
int test_capabilities(void);
int test_fcntl(void);
int test_pdfork(void);
int test_pdkill(void);
int test_pdwait(void);
int test_relative(void);
int test_sysctl(void);

113
tools/regression/security/cap_test/cap_test_pdfork.c Normal file
View File

@ -0,0 +1,113 @@
/*-
* Copyright (c) 2009-2011 Robert N. M. Watson
* Copyright (c) 2011 Jonathan Anderson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
/*
* Test routines to make sure a variety of system calls are or are not
* available in capability mode. The goal is not to see if they work, just
* whether or not they return the expected ECAPMODE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/capability.h>
#include <sys/errno.h>
#include <sys/procdesc.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <err.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdio.h>
#include <time.h>
#include "cap_test.h"
int
test_pdfork(void)
{
struct stat stat;
int success = PASSED;
int pd, error;
pid_t pid;
time_t now;
//cap_enter();
pid = pdfork(&pd, 0);
if (pid < 0)
err(-1, "pdfork");
else if (pid == 0) {
/*
* Child process.
*
* pd should not be a valid process descriptor.
*/
error = pdgetpid(pd, &pid);
if (error != -1)
FAILX("pdgetpid succeeded");
else if (errno != EBADF)
FAIL("pdgetpid failed, but errno != EBADF");
exit(success);
}
/* Parent process. Ensure that [acm]times have been set correctly. */
REQUIRE(fstat(pd, &stat));
now = time(NULL);
CHECK(now != (time_t)-1);
CHECK(now >= stat.st_birthtime);
CHECK((now - stat.st_birthtime) < 2);
CHECK(stat.st_birthtime == stat.st_atime);
CHECK(stat.st_atime == stat.st_ctime);
CHECK(stat.st_ctime == stat.st_mtime);
/* Wait for the child to finish. */
error = pdgetpid(pd, &pid);
CHECK(error == 0);
CHECK(pid > 0);
int status;
while (waitpid(pid, &status, 0) != pid) {}
if ((success == PASSED) && WIFEXITED(status))
success = WEXITSTATUS(status);
else
success = FAILED;
return (success);
}

101
tools/regression/security/cap_test/cap_test_pdkill.c Normal file
View File

@ -0,0 +1,101 @@
/*-
* Copyright (c) 2009-2011 Robert N. M. Watson
* Copyright (c) 2011 Jonathan Anderson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
/*
* Test routines to make sure a variety of system calls are or are not
* available in capability mode. The goal is not to see if they work, just
* whether or not they return the expected ECAPMODE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/capability.h>
#include <sys/errno.h>
#include <sys/procdesc.h>
#include <sys/resource.h>
#include <sys/wait.h>
#include <err.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdio.h>
#include "cap_test.h"
void handle_signal(int);
void handle_signal(int sig) {
exit(PASSED);
}
int
test_pdkill(void)
{
int success = PASSED;
int pd, error;
pid_t pid;
//cap_enter();
error = pdfork(&pd, 0);
if (error < 0)
err(-1, "pdfork");
else if (error == 0) {
signal(SIGINT, handle_signal);
sleep(3600);
exit(FAILED);
}
/* Parent process; find the child's PID (we'll need it later). */
error = pdgetpid(pd, &pid);
if (error != 0)
FAIL("pdgetpid");
/* Kill the child! */
usleep(100);
error = pdkill(pd, SIGINT);
if (error != 0)
FAIL("pdkill");
/* Make sure the child finished properly. */
int status;
while (waitpid(pid, &status, 0) != pid) {}
if ((success == PASSED) && WIFEXITED(status))
success = WEXITSTATUS(status);
else
success = FAILED;
return (success);
}