Refactor dbregs_dr*_dont_inherit_execve ATF tests for x86/
Eliminate duplicated code. Sponsored by <The NetBSD Foundation>
This commit is contained in:
kamil
parent
470d822ff7
commit
d412f5ec32
@ -1,4 +1,4 @@
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/* $NetBSD: t_ptrace_wait.c,v 1.6 2017/03/30 20:24:35 kamil Exp $ */
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/* $NetBSD: t_ptrace_wait.c,v 1.7 2017/04/01 23:25:08 kamil Exp $ */
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/*-
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* Copyright (c) 2016 The NetBSD Foundation, Inc.
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@ -27,7 +27,7 @@
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: t_ptrace_wait.c,v 1.6 2017/03/30 20:24:35 kamil Exp $");
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__RCSID("$NetBSD: t_ptrace_wait.c,v 1.7 2017/04/01 23:25:08 kamil Exp $");
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#include <sys/param.h>
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#include <sys/types.h>
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@ -1798,7 +1798,101 @@ ATF_TC_BODY(dbregs_dr3_dont_inherit_lwp, tc)
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dbregs_dont_inherit_lwp(3);
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}
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#if defined(HAVE_DBREGS)
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static void
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dbregs_dont_inherit_execve(int reg)
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{
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const int sigval = SIGTRAP;
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pid_t child, wpid;
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#if defined(TWAIT_HAVE_STATUS)
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int status;
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#endif
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size_t i;
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struct dbreg r1;
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struct dbreg r2;
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struct ptrace_siginfo info;
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memset(&info, 0, sizeof(info));
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printf("Before forking process PID=%d\n", getpid());
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ATF_REQUIRE((child = fork()) != -1);
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if (child == 0) {
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printf("Before calling PT_TRACE_ME from child %d\n", getpid());
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FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
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printf("Before raising %s from child\n", strsignal(sigval));
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FORKEE_ASSERT(raise(sigval) == 0);
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printf("Before calling execve(2) from child\n");
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execlp("/bin/echo", "/bin/echo", NULL);
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FORKEE_ASSERT(0 && "Not reached");
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}
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printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
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printf("Before calling %s() for the child\n", TWAIT_FNAME);
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TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
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validate_status_stopped(status, sigval);
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printf("Call GETDBREGS for the child process (r1)\n");
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ATF_REQUIRE(ptrace(PT_GETDBREGS, child, &r1, 0) != -1);
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printf("State of the debug registers (r1):\n");
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for (i = 0; i < __arraycount(r1.dr); i++)
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printf("r1[%zu]=%" PRIxREGISTER "\n", i, r1.dr[i]);
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r1.dr[reg] = (long)(intptr_t)check_happy;
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printf("Set DR%d (r1.dr[%d]) to new value %" PRIxREGISTER "\n",
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reg, reg, r1.dr[reg]);
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printf("New state of the debug registers (r1):\n");
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for (i = 0; i < __arraycount(r1.dr); i++)
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printf("r1[%zu]=%" PRIxREGISTER "\n", i, r1.dr[i]);
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printf("Call SETDBREGS for the child process (r1)\n");
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ATF_REQUIRE(ptrace(PT_SETDBREGS, child, &r1, 0) != -1);
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printf("Before resuming the child process where it left off and "
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"without signal to be sent\n");
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ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
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printf("Before calling %s() for the child\n", TWAIT_FNAME);
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TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
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validate_status_stopped(status, sigval);
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printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
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ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
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printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
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printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
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info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
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info.psi_siginfo.si_errno);
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ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, sigval);
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ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_EXEC);
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printf("Call GETDBREGS for the child process after execve(2)\n");
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ATF_REQUIRE(ptrace(PT_GETDBREGS, child, &r2, 0) != -1);
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printf("State of the debug registers (r2):\n");
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for (i = 0; i < __arraycount(r2.dr); i++)
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printf("r2[%zu]=%" PRIxREGISTER "\n", i, r2.dr[i]);
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printf("Assert that (r1) and (r2) are not the same\n");
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ATF_REQUIRE(memcmp(&r1, &r2, sizeof(r1)) != 0);
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printf("Before resuming the child process where it left off and "
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"without signal to be sent\n");
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ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
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printf("Before calling %s() for the child\n", TWAIT_FNAME);
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TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
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printf("Before calling %s() for the child\n", TWAIT_FNAME);
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TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
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}
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ATF_TC(dbregs_dr0_dont_inherit_execve);
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ATF_TC_HEAD(dbregs_dr0_dont_inherit_execve, tc)
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{
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@ -1809,100 +1903,9 @@ ATF_TC_HEAD(dbregs_dr0_dont_inherit_execve, tc)
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ATF_TC_BODY(dbregs_dr0_dont_inherit_execve, tc)
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{
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const int sigval = SIGTRAP;
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pid_t child, wpid;
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#if defined(TWAIT_HAVE_STATUS)
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int status;
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#endif
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size_t i;
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struct dbreg r1;
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struct dbreg r2;
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struct ptrace_siginfo info;
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memset(&info, 0, sizeof(info));
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printf("Before forking process PID=%d\n", getpid());
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ATF_REQUIRE((child = fork()) != -1);
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if (child == 0) {
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printf("Before calling PT_TRACE_ME from child %d\n", getpid());
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FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
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printf("Before raising %s from child\n", strsignal(sigval));
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FORKEE_ASSERT(raise(sigval) == 0);
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printf("Before calling execve(2) from child\n");
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execlp("/bin/echo", "/bin/echo", NULL);
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FORKEE_ASSERT(0 && "Not reached");
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}
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printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
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printf("Before calling %s() for the child\n", TWAIT_FNAME);
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TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
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validate_status_stopped(status, sigval);
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printf("Call GETDBREGS for the child process (r1)\n");
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ATF_REQUIRE(ptrace(PT_GETDBREGS, child, &r1, 0) != -1);
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printf("State of the debug registers (r1):\n");
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for (i = 0; i < __arraycount(r1.dr); i++)
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printf("r1[%zu]=%" PRIxREGISTER "\n", i, r1.dr[i]);
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r1.dr[0] = (long)(intptr_t)check_happy;
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printf("Set DR0 (r1.dr[0]) to new value %" PRIxREGISTER "\n",
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r1.dr[0]);
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printf("New state of the debug registers (r1):\n");
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for (i = 0; i < __arraycount(r1.dr); i++)
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printf("r1[%zu]=%" PRIxREGISTER "\n", i, r1.dr[i]);
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printf("Call SETDBREGS for the child process (r1)\n");
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ATF_REQUIRE(ptrace(PT_SETDBREGS, child, &r1, 0) != -1);
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printf("Before resuming the child process where it left off and "
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"without signal to be sent\n");
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ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
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printf("Before calling %s() for the child\n", TWAIT_FNAME);
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TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
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validate_status_stopped(status, sigval);
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printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
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ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
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printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
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printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
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info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
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info.psi_siginfo.si_errno);
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ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, sigval);
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ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_EXEC);
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printf("Call GETDBREGS for the child process after execve(2)\n");
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ATF_REQUIRE(ptrace(PT_GETDBREGS, child, &r2, 0) != -1);
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printf("State of the debug registers (r2):\n");
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for (i = 0; i < __arraycount(r2.dr); i++)
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printf("r2[%zu]=%" PRIxREGISTER "\n", i, r2.dr[i]);
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printf("Assert that (r1) and (r2) are not the same\n");
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ATF_REQUIRE(memcmp(&r1, &r2, sizeof(r1)) != 0);
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printf("Before resuming the child process where it left off and "
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"without signal to be sent\n");
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ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
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printf("Before calling %s() for the child\n", TWAIT_FNAME);
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TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
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printf("Before calling %s() for the child\n", TWAIT_FNAME);
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TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
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dbregs_dont_inherit_execve(0);
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}
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#endif
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#if defined(HAVE_DBREGS)
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ATF_TC(dbregs_dr1_dont_inherit_execve);
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ATF_TC_HEAD(dbregs_dr1_dont_inherit_execve, tc)
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{
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@ -1913,100 +1916,9 @@ ATF_TC_HEAD(dbregs_dr1_dont_inherit_execve, tc)
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ATF_TC_BODY(dbregs_dr1_dont_inherit_execve, tc)
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{
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const int sigval = SIGTRAP;
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pid_t child, wpid;
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#if defined(TWAIT_HAVE_STATUS)
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int status;
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#endif
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size_t i;
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struct dbreg r1;
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struct dbreg r2;
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struct ptrace_siginfo info;
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memset(&info, 0, sizeof(info));
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printf("Before forking process PID=%d\n", getpid());
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ATF_REQUIRE((child = fork()) != -1);
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if (child == 0) {
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printf("Before calling PT_TRACE_ME from child %d\n", getpid());
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FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
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printf("Before raising %s from child\n", strsignal(sigval));
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FORKEE_ASSERT(raise(sigval) == 0);
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printf("Before calling execve(2) from child\n");
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execlp("/bin/echo", "/bin/echo", NULL);
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FORKEE_ASSERT(0 && "Not reached");
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}
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printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
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printf("Before calling %s() for the child\n", TWAIT_FNAME);
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TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
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validate_status_stopped(status, sigval);
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printf("Call GETDBREGS for the child process (r1)\n");
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ATF_REQUIRE(ptrace(PT_GETDBREGS, child, &r1, 0) != -1);
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printf("State of the debug registers (r1):\n");
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for (i = 0; i < __arraycount(r1.dr); i++)
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printf("r1[%zu]=%" PRIxREGISTER "\n", i, r1.dr[i]);
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r1.dr[1] = (long)(intptr_t)check_happy;
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printf("Set DR1 (r1.dr[1]) to new value %" PRIxREGISTER "\n",
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r1.dr[1]);
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printf("New state of the debug registers (r1):\n");
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for (i = 0; i < __arraycount(r1.dr); i++)
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printf("r1[%zu]=%" PRIxREGISTER "\n", i, r1.dr[i]);
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printf("Call SETDBREGS for the child process (r1)\n");
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ATF_REQUIRE(ptrace(PT_SETDBREGS, child, &r1, 0) != -1);
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printf("Before resuming the child process where it left off and "
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"without signal to be sent\n");
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ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
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printf("Before calling %s() for the child\n", TWAIT_FNAME);
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TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
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validate_status_stopped(status, sigval);
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printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
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ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
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printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
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printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
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info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
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info.psi_siginfo.si_errno);
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ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, sigval);
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ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_EXEC);
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printf("Call GETDBREGS for the child process after execve(2)\n");
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ATF_REQUIRE(ptrace(PT_GETDBREGS, child, &r2, 0) != -1);
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printf("State of the debug registers (r2):\n");
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for (i = 0; i < __arraycount(r2.dr); i++)
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printf("r2[%zu]=%" PRIxREGISTER "\n", i, r2.dr[i]);
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printf("Assert that (r1) and (r2) are not the same\n");
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ATF_REQUIRE(memcmp(&r1, &r2, sizeof(r1)) != 0);
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printf("Before resuming the child process where it left off and "
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"without signal to be sent\n");
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ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
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printf("Before calling %s() for the child\n", TWAIT_FNAME);
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TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
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printf("Before calling %s() for the child\n", TWAIT_FNAME);
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TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
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dbregs_dont_inherit_execve(1);
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}
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#endif
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#if defined(HAVE_DBREGS)
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ATF_TC(dbregs_dr2_dont_inherit_execve);
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ATF_TC_HEAD(dbregs_dr2_dont_inherit_execve, tc)
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{
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@ -2017,100 +1929,9 @@ ATF_TC_HEAD(dbregs_dr2_dont_inherit_execve, tc)
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ATF_TC_BODY(dbregs_dr2_dont_inherit_execve, tc)
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{
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const int sigval = SIGTRAP;
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pid_t child, wpid;
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#if defined(TWAIT_HAVE_STATUS)
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int status;
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#endif
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size_t i;
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struct dbreg r1;
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struct dbreg r2;
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struct ptrace_siginfo info;
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memset(&info, 0, sizeof(info));
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printf("Before forking process PID=%d\n", getpid());
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ATF_REQUIRE((child = fork()) != -1);
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if (child == 0) {
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printf("Before calling PT_TRACE_ME from child %d\n", getpid());
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FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
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printf("Before raising %s from child\n", strsignal(sigval));
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FORKEE_ASSERT(raise(sigval) == 0);
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printf("Before calling execve(2) from child\n");
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execlp("/bin/echo", "/bin/echo", NULL);
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FORKEE_ASSERT(0 && "Not reached");
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}
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printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
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printf("Before calling %s() for the child\n", TWAIT_FNAME);
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TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
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validate_status_stopped(status, sigval);
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printf("Call GETDBREGS for the child process (r1)\n");
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ATF_REQUIRE(ptrace(PT_GETDBREGS, child, &r1, 0) != -1);
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printf("State of the debug registers (r1):\n");
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for (i = 0; i < __arraycount(r1.dr); i++)
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printf("r1[%zu]=%" PRIxREGISTER "\n", i, r1.dr[i]);
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r1.dr[2] = (long)(intptr_t)check_happy;
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printf("Set DR2 (r1.dr[2]) to new value %" PRIxREGISTER "\n",
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r1.dr[2]);
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printf("New state of the debug registers (r1):\n");
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for (i = 0; i < __arraycount(r1.dr); i++)
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printf("r1[%zu]=%" PRIxREGISTER "\n", i, r1.dr[i]);
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printf("Call SETDBREGS for the child process (r1)\n");
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ATF_REQUIRE(ptrace(PT_SETDBREGS, child, &r1, 0) != -1);
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printf("Before resuming the child process where it left off and "
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"without signal to be sent\n");
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ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
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printf("Before calling %s() for the child\n", TWAIT_FNAME);
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TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
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validate_status_stopped(status, sigval);
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|
||||
printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
|
||||
ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
|
||||
|
||||
printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
|
||||
printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
|
||||
info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
|
||||
info.psi_siginfo.si_errno);
|
||||
|
||||
ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, sigval);
|
||||
ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_EXEC);
|
||||
|
||||
printf("Call GETDBREGS for the child process after execve(2)\n");
|
||||
ATF_REQUIRE(ptrace(PT_GETDBREGS, child, &r2, 0) != -1);
|
||||
|
||||
printf("State of the debug registers (r2):\n");
|
||||
for (i = 0; i < __arraycount(r2.dr); i++)
|
||||
printf("r2[%zu]=%" PRIxREGISTER "\n", i, r2.dr[i]);
|
||||
|
||||
printf("Assert that (r1) and (r2) are not the same\n");
|
||||
ATF_REQUIRE(memcmp(&r1, &r2, sizeof(r1)) != 0);
|
||||
|
||||
printf("Before resuming the child process where it left off and "
|
||||
"without signal to be sent\n");
|
||||
ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
|
||||
|
||||
printf("Before calling %s() for the child\n", TWAIT_FNAME);
|
||||
TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
|
||||
|
||||
printf("Before calling %s() for the child\n", TWAIT_FNAME);
|
||||
TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
|
||||
dbregs_dont_inherit_execve(2);
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(HAVE_DBREGS)
|
||||
ATF_TC(dbregs_dr3_dont_inherit_execve);
|
||||
ATF_TC_HEAD(dbregs_dr3_dont_inherit_execve, tc)
|
||||
{
|
||||
@ -2121,306 +1942,8 @@ ATF_TC_HEAD(dbregs_dr3_dont_inherit_execve, tc)
|
||||
|
||||
ATF_TC_BODY(dbregs_dr3_dont_inherit_execve, tc)
|
||||
{
|
||||
const int sigval = SIGTRAP;
|
||||
pid_t child, wpid;
|
||||
#if defined(TWAIT_HAVE_STATUS)
|
||||
int status;
|
||||
#endif
|
||||
size_t i;
|
||||
struct dbreg r1;
|
||||
struct dbreg r2;
|
||||
|
||||
struct ptrace_siginfo info;
|
||||
memset(&info, 0, sizeof(info));
|
||||
|
||||
printf("Before forking process PID=%d\n", getpid());
|
||||
ATF_REQUIRE((child = fork()) != -1);
|
||||
if (child == 0) {
|
||||
printf("Before calling PT_TRACE_ME from child %d\n", getpid());
|
||||
FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
|
||||
|
||||
printf("Before raising %s from child\n", strsignal(sigval));
|
||||
FORKEE_ASSERT(raise(sigval) == 0);
|
||||
|
||||
printf("Before calling execve(2) from child\n");
|
||||
execlp("/bin/echo", "/bin/echo", NULL);
|
||||
|
||||
FORKEE_ASSERT(0 && "Not reached");
|
||||
}
|
||||
printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
|
||||
|
||||
printf("Before calling %s() for the child\n", TWAIT_FNAME);
|
||||
TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
|
||||
|
||||
validate_status_stopped(status, sigval);
|
||||
|
||||
printf("Call GETDBREGS for the child process (r1)\n");
|
||||
ATF_REQUIRE(ptrace(PT_GETDBREGS, child, &r1, 0) != -1);
|
||||
|
||||
printf("State of the debug registers (r1):\n");
|
||||
for (i = 0; i < __arraycount(r1.dr); i++)
|
||||
printf("r1[%zu]=%" PRIxREGISTER "\n", i, r1.dr[i]);
|
||||
|
||||
r1.dr[3] = (long)(intptr_t)check_happy;
|
||||
printf("Set DR3 (r1.dr[3]) to new value %" PRIxREGISTER "\n",
|
||||
r1.dr[3]);
|
||||
|
||||
printf("New state of the debug registers (r1):\n");
|
||||
for (i = 0; i < __arraycount(r1.dr); i++)
|
||||
printf("r1[%zu]=%" PRIxREGISTER "\n", i, r1.dr[i]);
|
||||
|
||||
printf("Call SETDBREGS for the child process (r1)\n");
|
||||
ATF_REQUIRE(ptrace(PT_SETDBREGS, child, &r1, 0) != -1);
|
||||
|
||||
printf("Before resuming the child process where it left off and "
|
||||
"without signal to be sent\n");
|
||||
ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
|
||||
|
||||
printf("Before calling %s() for the child\n", TWAIT_FNAME);
|
||||
TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
|
||||
|
||||
validate_status_stopped(status, sigval);
|
||||
|
||||
printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
|
||||
ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
|
||||
|
||||
printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
|
||||
printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
|
||||
info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
|
||||
info.psi_siginfo.si_errno);
|
||||
|
||||
ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, sigval);
|
||||
ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_EXEC);
|
||||
|
||||
printf("Call GETDBREGS for the child process after execve(2)\n");
|
||||
ATF_REQUIRE(ptrace(PT_GETDBREGS, child, &r2, 0) != -1);
|
||||
|
||||
printf("State of the debug registers (r2):\n");
|
||||
for (i = 0; i < __arraycount(r2.dr); i++)
|
||||
printf("r2[%zu]=%" PRIxREGISTER "\n", i, r2.dr[i]);
|
||||
|
||||
printf("Assert that (r1) and (r2) are not the same\n");
|
||||
ATF_REQUIRE(memcmp(&r1, &r2, sizeof(r1)) != 0);
|
||||
|
||||
printf("Before resuming the child process where it left off and "
|
||||
"without signal to be sent\n");
|
||||
ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
|
||||
|
||||
printf("Before calling %s() for the child\n", TWAIT_FNAME);
|
||||
TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
|
||||
|
||||
printf("Before calling %s() for the child\n", TWAIT_FNAME);
|
||||
TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
|
||||
dbregs_dont_inherit_execve(3);
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(HAVE_DBREGS)
|
||||
ATF_TC(dbregs_dr6_dont_inherit_execve);
|
||||
ATF_TC_HEAD(dbregs_dr6_dont_inherit_execve, tc)
|
||||
{
|
||||
atf_tc_set_md_var(tc, "descr",
|
||||
"Verify that execve(2) is intercepted by tracer and Debug "
|
||||
"Register 6 is reset");
|
||||
}
|
||||
|
||||
ATF_TC_BODY(dbregs_dr6_dont_inherit_execve, tc)
|
||||
{
|
||||
const int sigval = SIGTRAP;
|
||||
pid_t child, wpid;
|
||||
#if defined(TWAIT_HAVE_STATUS)
|
||||
int status;
|
||||
#endif
|
||||
size_t i;
|
||||
struct dbreg r1;
|
||||
struct dbreg r2;
|
||||
|
||||
struct ptrace_siginfo info;
|
||||
memset(&info, 0, sizeof(info));
|
||||
|
||||
printf("Before forking process PID=%d\n", getpid());
|
||||
ATF_REQUIRE((child = fork()) != -1);
|
||||
if (child == 0) {
|
||||
printf("Before calling PT_TRACE_ME from child %d\n", getpid());
|
||||
FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
|
||||
|
||||
printf("Before raising %s from child\n", strsignal(sigval));
|
||||
FORKEE_ASSERT(raise(sigval) == 0);
|
||||
|
||||
printf("Before calling execve(2) from child\n");
|
||||
execlp("/bin/echo", "/bin/echo", NULL);
|
||||
|
||||
FORKEE_ASSERT(0 && "Not reached");
|
||||
}
|
||||
printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
|
||||
|
||||
printf("Before calling %s() for the child\n", TWAIT_FNAME);
|
||||
TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
|
||||
|
||||
validate_status_stopped(status, sigval);
|
||||
|
||||
printf("Call GETDBREGS for the child process (r1)\n");
|
||||
ATF_REQUIRE(ptrace(PT_GETDBREGS, child, &r1, 0) != -1);
|
||||
|
||||
printf("State of the debug registers (r1):\n");
|
||||
for (i = 0; i < __arraycount(r1.dr); i++)
|
||||
printf("r1[%zu]=%" PRIxREGISTER "\n", i, r1.dr[i]);
|
||||
|
||||
r1.dr[6] = 1; /* breakpoint condition dr0 detected */
|
||||
printf("Set DR6 (r1.dr[6]) to new value %" PRIxREGISTER "\n",
|
||||
r1.dr[6]);
|
||||
|
||||
printf("New state of the debug registers (r1):\n");
|
||||
for (i = 0; i < __arraycount(r1.dr); i++)
|
||||
printf("r1[%zu]=%" PRIxREGISTER "\n", i, r1.dr[i]);
|
||||
|
||||
printf("Call SETDBREGS for the child process (r1)\n");
|
||||
ATF_REQUIRE(ptrace(PT_SETDBREGS, child, &r1, 0) != -1);
|
||||
|
||||
printf("Before resuming the child process where it left off and "
|
||||
"without signal to be sent\n");
|
||||
ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
|
||||
|
||||
printf("Before calling %s() for the child\n", TWAIT_FNAME);
|
||||
TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
|
||||
|
||||
validate_status_stopped(status, sigval);
|
||||
|
||||
printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
|
||||
ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
|
||||
|
||||
printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
|
||||
printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
|
||||
info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
|
||||
info.psi_siginfo.si_errno);
|
||||
|
||||
ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, sigval);
|
||||
ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_EXEC);
|
||||
|
||||
printf("Call GETDBREGS for the child process after execve(2)\n");
|
||||
ATF_REQUIRE(ptrace(PT_GETDBREGS, child, &r2, 0) != -1);
|
||||
|
||||
printf("State of the debug registers (r2):\n");
|
||||
for (i = 0; i < __arraycount(r2.dr); i++)
|
||||
printf("r2[%zu]=%" PRIxREGISTER "\n", i, r2.dr[i]);
|
||||
|
||||
printf("Assert that (r1) and (r2) are not the same\n");
|
||||
ATF_REQUIRE(memcmp(&r1, &r2, sizeof(r1)) != 0);
|
||||
|
||||
printf("Before resuming the child process where it left off and "
|
||||
"without signal to be sent\n");
|
||||
ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
|
||||
|
||||
printf("Before calling %s() for the child\n", TWAIT_FNAME);
|
||||
TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
|
||||
|
||||
printf("Before calling %s() for the child\n", TWAIT_FNAME);
|
||||
TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(HAVE_DBREGS)
|
||||
ATF_TC(dbregs_dr7_dont_inherit_execve);
|
||||
ATF_TC_HEAD(dbregs_dr7_dont_inherit_execve, tc)
|
||||
{
|
||||
atf_tc_set_md_var(tc, "descr",
|
||||
"Verify that execve(2) is intercepted by tracer and Debug "
|
||||
"Register 7 is reset");
|
||||
}
|
||||
|
||||
ATF_TC_BODY(dbregs_dr7_dont_inherit_execve, tc)
|
||||
{
|
||||
const int sigval = SIGTRAP;
|
||||
pid_t child, wpid;
|
||||
#if defined(TWAIT_HAVE_STATUS)
|
||||
int status;
|
||||
#endif
|
||||
size_t i;
|
||||
struct dbreg r1;
|
||||
struct dbreg r2;
|
||||
|
||||
struct ptrace_siginfo info;
|
||||
memset(&info, 0, sizeof(info));
|
||||
|
||||
printf("Before forking process PID=%d\n", getpid());
|
||||
ATF_REQUIRE((child = fork()) != -1);
|
||||
if (child == 0) {
|
||||
printf("Before calling PT_TRACE_ME from child %d\n", getpid());
|
||||
FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
|
||||
|
||||
printf("Before raising %s from child\n", strsignal(sigval));
|
||||
FORKEE_ASSERT(raise(sigval) == 0);
|
||||
|
||||
printf("Before calling execve(2) from child\n");
|
||||
execlp("/bin/echo", "/bin/echo", NULL);
|
||||
|
||||
FORKEE_ASSERT(0 && "Not reached");
|
||||
}
|
||||
printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
|
||||
|
||||
printf("Before calling %s() for the child\n", TWAIT_FNAME);
|
||||
TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
|
||||
|
||||
validate_status_stopped(status, sigval);
|
||||
|
||||
printf("Call GETDBREGS for the child process (r1)\n");
|
||||
ATF_REQUIRE(ptrace(PT_GETDBREGS, child, &r1, 0) != -1);
|
||||
|
||||
printf("State of the debug registers (r1):\n");
|
||||
for (i = 0; i < __arraycount(r1.dr); i++)
|
||||
printf("r1[%zu]=%" PRIxREGISTER "\n", i, r1.dr[i]);
|
||||
|
||||
r1.dr[7] = __BIT(16); /* break on data writes dr0 */
|
||||
printf("Set DR7 (r1.dr[7]) to new value %" PRIxREGISTER "\n",
|
||||
r1.dr[7]);
|
||||
|
||||
printf("New state of the debug registers (r1):\n");
|
||||
for (i = 0; i < __arraycount(r1.dr); i++)
|
||||
printf("r1[%zu]=%" PRIxREGISTER "\n", i, r1.dr[i]);
|
||||
|
||||
printf("Call SETDBREGS for the child process (r1)\n");
|
||||
ATF_REQUIRE(ptrace(PT_SETDBREGS, child, &r1, 0) != -1);
|
||||
|
||||
printf("Before resuming the child process where it left off and "
|
||||
"without signal to be sent\n");
|
||||
ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
|
||||
|
||||
printf("Before calling %s() for the child\n", TWAIT_FNAME);
|
||||
TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
|
||||
|
||||
validate_status_stopped(status, sigval);
|
||||
|
||||
printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
|
||||
ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
|
||||
|
||||
printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
|
||||
printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
|
||||
info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
|
||||
info.psi_siginfo.si_errno);
|
||||
|
||||
ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, sigval);
|
||||
ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_EXEC);
|
||||
|
||||
printf("Call GETDBREGS for the child process after execve(2)\n");
|
||||
ATF_REQUIRE(ptrace(PT_GETDBREGS, child, &r2, 0) != -1);
|
||||
|
||||
printf("State of the debug registers (r2):\n");
|
||||
for (i = 0; i < __arraycount(r2.dr); i++)
|
||||
printf("r2[%zu]=%" PRIxREGISTER "\n", i, r2.dr[i]);
|
||||
|
||||
printf("Assert that (r1) and (r2) are not the same\n");
|
||||
ATF_REQUIRE(memcmp(&r1, &r2, sizeof(r1)) != 0);
|
||||
|
||||
printf("Before resuming the child process where it left off and "
|
||||
"without signal to be sent\n");
|
||||
ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
|
||||
|
||||
printf("Before calling %s() for the child\n", TWAIT_FNAME);
|
||||
TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
|
||||
|
||||
printf("Before calling %s() for the child\n", TWAIT_FNAME);
|
||||
TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
|
||||
}
|
||||
#endif
|
||||
|
||||
ATF_TP_ADD_TCS(tp)
|
||||
{
|
||||
@ -2503,8 +2026,6 @@ ATF_TP_ADD_TCS(tp)
|
||||
ATF_TP_ADD_TC_HAVE_DBREGS(tp, dbregs_dr1_dont_inherit_execve);
|
||||
ATF_TP_ADD_TC_HAVE_DBREGS(tp, dbregs_dr2_dont_inherit_execve);
|
||||
ATF_TP_ADD_TC_HAVE_DBREGS(tp, dbregs_dr3_dont_inherit_execve);
|
||||
ATF_TP_ADD_TC_HAVE_DBREGS(tp, dbregs_dr6_dont_inherit_execve);
|
||||
ATF_TP_ADD_TC_HAVE_DBREGS(tp, dbregs_dr7_dont_inherit_execve);
|
||||
|
||||
return atf_no_error();
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user