audit(4): add tests for setsid, wait4, wait6, and kill
Submitted by: aniketp MFC after: 2 weeks Sponsored by: Google, Inc. (GSoC 2018) Differential Revision: https://reviews.freebsd.org/D16035
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9161b4de54
commit
18ba95c24a
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=335791
@ -38,6 +38,7 @@
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#include <atf-c.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <unistd.h>
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@ -70,7 +71,6 @@ ATF_TC_BODY(fork_success, tc)
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check_audit(fds, pcregex, pipefd);
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else
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_exit(0);
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}
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ATF_TC_CLEANUP(fork_success, tc)
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@ -102,7 +102,6 @@ ATF_TC_BODY(rfork_success, tc)
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check_audit(fds, pcregex, pipefd);
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else
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_exit(0);
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}
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ATF_TC_CLEANUP(rfork_success, tc)
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@ -135,6 +134,163 @@ ATF_TC_CLEANUP(rfork_failure, tc)
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}
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ATF_TC_WITH_CLEANUP(wait4_success);
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ATF_TC_HEAD(wait4_success, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
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"wait4(2) call");
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}
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ATF_TC_BODY(wait4_success, tc)
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{
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pid = getpid();
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snprintf(pcregex, sizeof(pcregex), "wait4.*%d.*return,success", pid);
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ATF_REQUIRE((pid = fork()) != -1);
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if (pid) {
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FILE *pipefd = setup(fds, auclass);
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/* wpid = -1 : Wait for any child process */
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ATF_REQUIRE(wait4(-1, &status, 0, NULL) != -1);
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check_audit(fds, pcregex, pipefd);
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}
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else
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_exit(0);
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}
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ATF_TC_CLEANUP(wait4_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(wait4_failure);
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ATF_TC_HEAD(wait4_failure, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
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"wait4(2) call");
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}
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ATF_TC_BODY(wait4_failure, tc)
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{
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pid = getpid();
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snprintf(pcregex, sizeof(pcregex), "wait4.*%d.*return,failure", pid);
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FILE *pipefd = setup(fds, auclass);
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/* Failure reason: No child process to wait for */
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ATF_REQUIRE_EQ(-1, wait4(-1, NULL, 0, NULL));
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check_audit(fds, pcregex, pipefd);
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}
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ATF_TC_CLEANUP(wait4_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(wait6_success);
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ATF_TC_HEAD(wait6_success, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
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"wait6(2) call");
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}
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ATF_TC_BODY(wait6_success, tc)
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{
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pid = getpid();
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snprintf(pcregex, sizeof(pcregex), "wait6.*%d.*return,success", pid);
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ATF_REQUIRE((pid = fork()) != -1);
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if (pid) {
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FILE *pipefd = setup(fds, auclass);
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ATF_REQUIRE(wait6(P_ALL, 0, &status, WEXITED, NULL,NULL) != -1);
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check_audit(fds, pcregex, pipefd);
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}
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else
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_exit(0);
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}
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ATF_TC_CLEANUP(wait6_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(wait6_failure);
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ATF_TC_HEAD(wait6_failure, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
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"wait6(2) call");
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}
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ATF_TC_BODY(wait6_failure, tc)
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{
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pid = getpid();
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snprintf(pcregex, sizeof(pcregex), "wait6.*%d.*return,failure", pid);
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FILE *pipefd = setup(fds, auclass);
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/* Failure reason: Invalid argument */
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ATF_REQUIRE_EQ(-1, wait6(0, 0, NULL, 0, NULL, NULL));
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check_audit(fds, pcregex, pipefd);
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}
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ATF_TC_CLEANUP(wait6_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(kill_success);
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ATF_TC_HEAD(kill_success, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
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"kill(2) call");
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}
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ATF_TC_BODY(kill_success, tc)
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{
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pid = getpid();
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snprintf(pcregex, sizeof(pcregex), "kill.*%d.*return,success", pid);
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FILE *pipefd = setup(fds, auclass);
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/* Don't send any signal to anyone, live in peace! */
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ATF_REQUIRE_EQ(0, kill(0, 0));
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check_audit(fds, pcregex, pipefd);
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}
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ATF_TC_CLEANUP(kill_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(kill_failure);
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ATF_TC_HEAD(kill_failure, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
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"kill(2) call");
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}
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ATF_TC_BODY(kill_failure, tc)
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{
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pid = getpid();
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snprintf(pcregex, sizeof(pcregex), "kill.*%d.*return,failure", pid);
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FILE *pipefd = setup(fds, auclass);
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/*
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* Failure reason: Non existent process with PID '-2'
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* Note: '-1' is not used as it means sending no signal to
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* all non-system processes: A successful invocation
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*/
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ATF_REQUIRE_EQ(-1, kill(0, -2));
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check_audit(fds, pcregex, pipefd);
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}
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ATF_TC_CLEANUP(kill_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(chdir_success);
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ATF_TC_HEAD(chdir_success, tc)
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{
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@ -781,6 +937,69 @@ ATF_TC_CLEANUP(setpgrp_failure, tc)
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}
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ATF_TC_WITH_CLEANUP(setsid_success);
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ATF_TC_HEAD(setsid_success, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
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"setsid(2) call");
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}
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ATF_TC_BODY(setsid_success, tc)
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{
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/* Main procedure is carried out from within the child process */
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ATF_REQUIRE((pid = fork()) != -1);
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if (pid) {
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ATF_REQUIRE(wait(&status) != -1);
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} else {
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pid = getpid();
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snprintf(pcregex, sizeof(pcregex), "setsid.*%d.*success", pid);
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FILE *pipefd = setup(fds, auclass);
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ATF_REQUIRE(setsid() != -1);
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check_audit(fds, pcregex, pipefd);
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}
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}
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ATF_TC_CLEANUP(setsid_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(setsid_failure);
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ATF_TC_HEAD(setsid_failure, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
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"setsid(2) call");
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}
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ATF_TC_BODY(setsid_failure, tc)
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{
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pid = getpid();
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snprintf(pcregex, sizeof(pcregex), "setsid.*%d.*return,failure", pid);
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/*
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* Here, we are intentionally ignoring the output of the setsid()
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* call because it may or may not be a process leader already. But it
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* ensures that the next invocation of setsid() will definitely fail.
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*/
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setsid();
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FILE *pipefd = setup(fds, auclass);
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/*
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* Failure reason: [EPERM] Creating a new session is not permitted
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* as the PID of calling process matches the PGID of a process group
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* created by premature setsid() call.
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*/
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ATF_REQUIRE_EQ(-1, setsid());
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check_audit(fds, pcregex, pipefd);
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}
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ATF_TC_CLEANUP(setsid_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(setrlimit_success);
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ATF_TC_HEAD(setrlimit_success, tc)
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{
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@ -1210,6 +1429,13 @@ ATF_TP_ADD_TCS(tp)
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ATF_TP_ADD_TC(tp, rfork_success);
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ATF_TP_ADD_TC(tp, rfork_failure);
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ATF_TP_ADD_TC(tp, wait4_success);
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ATF_TP_ADD_TC(tp, wait4_failure);
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ATF_TP_ADD_TC(tp, wait6_success);
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ATF_TP_ADD_TC(tp, wait6_failure);
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ATF_TP_ADD_TC(tp, kill_success);
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ATF_TP_ADD_TC(tp, kill_failure);
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ATF_TP_ADD_TC(tp, chdir_success);
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ATF_TP_ADD_TC(tp, chdir_failure);
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ATF_TP_ADD_TC(tp, fchdir_success);
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@ -1239,6 +1465,8 @@ ATF_TP_ADD_TCS(tp)
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ATF_TP_ADD_TC(tp, setgroups_failure);
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ATF_TP_ADD_TC(tp, setpgrp_success);
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ATF_TP_ADD_TC(tp, setpgrp_failure);
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ATF_TP_ADD_TC(tp, setsid_success);
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ATF_TP_ADD_TC(tp, setsid_failure);
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ATF_TP_ADD_TC(tp, setrlimit_success);
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ATF_TP_ADD_TC(tp, setrlimit_failure);
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