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audit(4): add tests for setsid, wait4, wait6, and kill

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Submitted by:	aniketp
MFC after:	2 weeks
Sponsored by:	Google, Inc. (GSoC 2018)
Differential Revision:	https://reviews.freebsd.org/D16035
This commit is contained in:
Alan Somers 2018-06-29 04:46:15 +00:00
parent 9161b4de54
commit 18ba95c24a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=335791
1 changed files with 230 additions and 2 deletions
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232
tests/sys/audit/process-control.c
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@ -38,6 +38,7 @@
#include <atf-c.h>
#include <fcntl.h>
#include <signal.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
@ -70,7 +71,6 @@ ATF_TC_BODY(fork_success, tc)
check_audit(fds, pcregex, pipefd);
else
_exit(0);
}
ATF_TC_CLEANUP(fork_success, tc)
@ -102,7 +102,6 @@ ATF_TC_BODY(rfork_success, tc)
check_audit(fds, pcregex, pipefd);
else
_exit(0);
}
ATF_TC_CLEANUP(rfork_success, tc)
@ -135,6 +134,163 @@ ATF_TC_CLEANUP(rfork_failure, tc)
}
ATF_TC_WITH_CLEANUP(wait4_success);
ATF_TC_HEAD(wait4_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"wait4(2) call");
}
ATF_TC_BODY(wait4_success, tc)
{
pid = getpid();
snprintf(pcregex, sizeof(pcregex), "wait4.*%d.*return,success", pid);
ATF_REQUIRE((pid = fork()) != -1);
if (pid) {
FILE *pipefd = setup(fds, auclass);
/* wpid = -1 : Wait for any child process */
ATF_REQUIRE(wait4(-1, &status, 0, NULL) != -1);
check_audit(fds, pcregex, pipefd);
}
else
_exit(0);
}
ATF_TC_CLEANUP(wait4_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(wait4_failure);
ATF_TC_HEAD(wait4_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"wait4(2) call");
}
ATF_TC_BODY(wait4_failure, tc)
{
pid = getpid();
snprintf(pcregex, sizeof(pcregex), "wait4.*%d.*return,failure", pid);
FILE *pipefd = setup(fds, auclass);
/* Failure reason: No child process to wait for */
ATF_REQUIRE_EQ(-1, wait4(-1, NULL, 0, NULL));
check_audit(fds, pcregex, pipefd);
}
ATF_TC_CLEANUP(wait4_failure, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(wait6_success);
ATF_TC_HEAD(wait6_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"wait6(2) call");
}
ATF_TC_BODY(wait6_success, tc)
{
pid = getpid();
snprintf(pcregex, sizeof(pcregex), "wait6.*%d.*return,success", pid);
ATF_REQUIRE((pid = fork()) != -1);
if (pid) {
FILE *pipefd = setup(fds, auclass);
ATF_REQUIRE(wait6(P_ALL, 0, &status, WEXITED, NULL,NULL) != -1);
check_audit(fds, pcregex, pipefd);
}
else
_exit(0);
}
ATF_TC_CLEANUP(wait6_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(wait6_failure);
ATF_TC_HEAD(wait6_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"wait6(2) call");
}
ATF_TC_BODY(wait6_failure, tc)
{
pid = getpid();
snprintf(pcregex, sizeof(pcregex), "wait6.*%d.*return,failure", pid);
FILE *pipefd = setup(fds, auclass);
/* Failure reason: Invalid argument */
ATF_REQUIRE_EQ(-1, wait6(0, 0, NULL, 0, NULL, NULL));
check_audit(fds, pcregex, pipefd);
}
ATF_TC_CLEANUP(wait6_failure, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(kill_success);
ATF_TC_HEAD(kill_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"kill(2) call");
}
ATF_TC_BODY(kill_success, tc)
{
pid = getpid();
snprintf(pcregex, sizeof(pcregex), "kill.*%d.*return,success", pid);
FILE *pipefd = setup(fds, auclass);
/* Don't send any signal to anyone, live in peace! */
ATF_REQUIRE_EQ(0, kill(0, 0));
check_audit(fds, pcregex, pipefd);
}
ATF_TC_CLEANUP(kill_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(kill_failure);
ATF_TC_HEAD(kill_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"kill(2) call");
}
ATF_TC_BODY(kill_failure, tc)
{
pid = getpid();
snprintf(pcregex, sizeof(pcregex), "kill.*%d.*return,failure", pid);
FILE *pipefd = setup(fds, auclass);
/*
* Failure reason: Non existent process with PID '-2'
* Note: '-1' is not used as it means sending no signal to
* all non-system processes: A successful invocation
*/
ATF_REQUIRE_EQ(-1, kill(0, -2));
check_audit(fds, pcregex, pipefd);
}
ATF_TC_CLEANUP(kill_failure, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(chdir_success);
ATF_TC_HEAD(chdir_success, tc)
{
@ -781,6 +937,69 @@ ATF_TC_CLEANUP(setpgrp_failure, tc)
}
ATF_TC_WITH_CLEANUP(setsid_success);
ATF_TC_HEAD(setsid_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"setsid(2) call");
}
ATF_TC_BODY(setsid_success, tc)
{
/* Main procedure is carried out from within the child process */
ATF_REQUIRE((pid = fork()) != -1);
if (pid) {
ATF_REQUIRE(wait(&status) != -1);
} else {
pid = getpid();
snprintf(pcregex, sizeof(pcregex), "setsid.*%d.*success", pid);
FILE *pipefd = setup(fds, auclass);
ATF_REQUIRE(setsid() != -1);
check_audit(fds, pcregex, pipefd);
}
}
ATF_TC_CLEANUP(setsid_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(setsid_failure);
ATF_TC_HEAD(setsid_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"setsid(2) call");
}
ATF_TC_BODY(setsid_failure, tc)
{
pid = getpid();
snprintf(pcregex, sizeof(pcregex), "setsid.*%d.*return,failure", pid);
/*
* Here, we are intentionally ignoring the output of the setsid()
* call because it may or may not be a process leader already. But it
* ensures that the next invocation of setsid() will definitely fail.
*/
setsid();
FILE *pipefd = setup(fds, auclass);
/*
* Failure reason: [EPERM] Creating a new session is not permitted
* as the PID of calling process matches the PGID of a process group
* created by premature setsid() call.
*/
ATF_REQUIRE_EQ(-1, setsid());
check_audit(fds, pcregex, pipefd);
}
ATF_TC_CLEANUP(setsid_failure, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(setrlimit_success);
ATF_TC_HEAD(setrlimit_success, tc)
{
@ -1210,6 +1429,13 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, rfork_success);
ATF_TP_ADD_TC(tp, rfork_failure);
ATF_TP_ADD_TC(tp, wait4_success);
ATF_TP_ADD_TC(tp, wait4_failure);
ATF_TP_ADD_TC(tp, wait6_success);
ATF_TP_ADD_TC(tp, wait6_failure);
ATF_TP_ADD_TC(tp, kill_success);
ATF_TP_ADD_TC(tp, kill_failure);
ATF_TP_ADD_TC(tp, chdir_success);
ATF_TP_ADD_TC(tp, chdir_failure);
ATF_TP_ADD_TC(tp, fchdir_success);
@ -1239,6 +1465,8 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, setgroups_failure);
ATF_TP_ADD_TC(tp, setpgrp_success);
ATF_TP_ADD_TC(tp, setpgrp_failure);
ATF_TP_ADD_TC(tp, setsid_success);
ATF_TP_ADD_TC(tp, setsid_failure);
ATF_TP_ADD_TC(tp, setrlimit_success);
ATF_TP_ADD_TC(tp, setrlimit_failure);