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f0e9dfeca9
When executed from cron, commandtest would fail to correctly identify daemon processes. Set session ID and process group IDs at startup to ensure we have a consistent environment to run in. * tests/commandtest.c: Call setsid() and setpgid()
791 lines
18 KiB
C
791 lines
18 KiB
C
/*
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* commandtest.c: Test the libCommand API
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*
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* Copyright (C) 2010-2011 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <signal.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include "testutils.h"
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#include "internal.h"
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#include "nodeinfo.h"
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#include "util.h"
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#include "memory.h"
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#include "command.h"
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#include "files.h"
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#ifdef WIN32
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static int
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mymain(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
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{
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exit (EXIT_AM_SKIP);
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}
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#else
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static char *progname;
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static char *abs_srcdir;
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static int checkoutput(const char *testname)
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{
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int ret = -1;
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char cwd[1024];
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char *expectname = NULL;
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char *expectlog = NULL;
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char *actualname = NULL;
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char *actuallog = NULL;
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if (!getcwd(cwd, sizeof(cwd)))
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return -1;
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if (virAsprintf(&expectname, "%s/commanddata/%s.log", abs_srcdir,
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testname) < 0)
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goto cleanup;
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if (virAsprintf(&actualname, "%s/commandhelper.log", abs_builddir) < 0)
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goto cleanup;
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if (virFileReadAll(expectname, 1024*64, &expectlog) < 0) {
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fprintf(stderr, "cannot read %s\n", expectname);
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goto cleanup;
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}
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if (virFileReadAll(actualname, 1024*64, &actuallog) < 0) {
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fprintf(stderr, "cannot read %s\n", actualname);
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goto cleanup;
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}
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if (STRNEQ(expectlog, actuallog)) {
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virtTestDifference(stderr, expectlog, actuallog);
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goto cleanup;
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}
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ret = 0;
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cleanup:
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unlink(actualname);
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VIR_FREE(actuallog);
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VIR_FREE(actualname);
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VIR_FREE(expectlog);
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VIR_FREE(expectname);
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return ret;
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}
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/*
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* Run program, no args, inherit all ENV, keep CWD.
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* Only stdin/out/err open
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* No slot for return status must log error.
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*/
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static int test0(const void *unused ATTRIBUTE_UNUSED)
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{
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virCommandPtr cmd;
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int ret = -1;
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cmd = virCommandNew(abs_builddir "/commandhelper-doesnotexist");
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if (virCommandRun(cmd, NULL) == 0)
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goto cleanup;
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if (virGetLastError() == NULL)
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goto cleanup;
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virResetLastError();
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ret = 0;
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cleanup:
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virCommandFree(cmd);
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return ret;
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}
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/*
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* Run program, no args, inherit all ENV, keep CWD.
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* Only stdin/out/err open
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* Capturing return status must not log error.
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*/
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static int test1(const void *unused ATTRIBUTE_UNUSED)
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{
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virCommandPtr cmd;
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int ret = -1;
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int status;
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cmd = virCommandNew(abs_builddir "/commandhelper-doesnotexist");
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if (virCommandRun(cmd, &status) < 0)
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goto cleanup;
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if (status == 0)
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goto cleanup;
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ret = 0;
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cleanup:
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virCommandFree(cmd);
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return ret;
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}
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/*
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* Run program (twice), no args, inherit all ENV, keep CWD.
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* Only stdin/out/err open
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*/
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static int test2(const void *unused ATTRIBUTE_UNUSED)
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{
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virCommandPtr cmd = virCommandNew(abs_builddir "/commandhelper");
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int ret;
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if (virCommandRun(cmd, NULL) < 0) {
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virErrorPtr err = virGetLastError();
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printf("Cannot run child %s\n", err->message);
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virCommandFree(cmd);
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return -1;
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}
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if ((ret = checkoutput("test2")) != 0) {
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virCommandFree(cmd);
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return ret;
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}
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if (virCommandRun(cmd, NULL) < 0) {
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virErrorPtr err = virGetLastError();
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printf("Cannot run child %s\n", err->message);
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virCommandFree(cmd);
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return -1;
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}
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virCommandFree(cmd);
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return checkoutput("test2");
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}
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/*
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* Run program, no args, inherit all ENV, keep CWD.
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* stdin/out/err + two extra FD open
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*/
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static int test3(const void *unused ATTRIBUTE_UNUSED)
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{
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virCommandPtr cmd = virCommandNew(abs_builddir "/commandhelper");
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int newfd1 = dup(STDERR_FILENO);
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int newfd2 = dup(STDERR_FILENO);
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int newfd3 = dup(STDERR_FILENO);
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int ret = -1;
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virCommandPreserveFD(cmd, newfd1);
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virCommandTransferFD(cmd, newfd3);
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if (virCommandRun(cmd, NULL) < 0) {
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virErrorPtr err = virGetLastError();
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printf("Cannot run child %s\n", err->message);
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goto cleanup;
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}
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if (fcntl(newfd1, F_GETFL) < 0 ||
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fcntl(newfd2, F_GETFL) < 0 ||
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fcntl(newfd3, F_GETFL) >= 0) {
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puts("fds in wrong state");
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goto cleanup;
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}
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ret = checkoutput("test3");
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cleanup:
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virCommandFree(cmd);
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VIR_FORCE_CLOSE(newfd1);
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VIR_FORCE_CLOSE(newfd2);
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return ret;
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}
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/*
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* Run program, no args, inherit all ENV, CWD is /
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* Only stdin/out/err open.
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* Daemonized
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*/
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static int test4(const void *unused ATTRIBUTE_UNUSED)
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{
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virCommandPtr cmd = virCommandNew(abs_builddir "/commandhelper");
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char *pidfile = virFilePid(abs_builddir, "commandhelper");
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pid_t pid;
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int ret = -1;
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if (!pidfile)
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goto cleanup;
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virCommandSetPidFile(cmd, pidfile);
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virCommandDaemonize(cmd);
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if (virCommandRun(cmd, NULL) < 0) {
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virErrorPtr err = virGetLastError();
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printf("Cannot run child %s\n", err->message);
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goto cleanup;
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}
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if (virFileReadPid(abs_builddir, "commandhelper", &pid) != 0) {
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printf("cannot read pidfile\n");
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goto cleanup;
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}
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while (kill(pid, 0) != -1)
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usleep(100*1000);
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ret = checkoutput("test4");
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cleanup:
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virCommandFree(cmd);
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unlink(pidfile);
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VIR_FREE(pidfile);
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return ret;
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}
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/*
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* Run program, no args, inherit filtered ENV, keep CWD.
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* Only stdin/out/err open
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*/
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static int test5(const void *unused ATTRIBUTE_UNUSED)
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{
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virCommandPtr cmd = virCommandNew(abs_builddir "/commandhelper");
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virCommandAddEnvPassCommon(cmd);
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if (virCommandRun(cmd, NULL) < 0) {
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virErrorPtr err = virGetLastError();
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printf("Cannot run child %s\n", err->message);
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virCommandFree(cmd);
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return -1;
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}
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virCommandFree(cmd);
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return checkoutput("test5");
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}
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/*
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* Run program, no args, inherit filtered ENV, keep CWD.
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* Only stdin/out/err open
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*/
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static int test6(const void *unused ATTRIBUTE_UNUSED)
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{
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virCommandPtr cmd = virCommandNew(abs_builddir "/commandhelper");
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virCommandAddEnvPass(cmd, "DISPLAY");
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virCommandAddEnvPass(cmd, "DOESNOTEXIST");
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if (virCommandRun(cmd, NULL) < 0) {
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virErrorPtr err = virGetLastError();
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printf("Cannot run child %s\n", err->message);
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virCommandFree(cmd);
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return -1;
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}
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virCommandFree(cmd);
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return checkoutput("test6");
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}
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/*
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* Run program, no args, inherit filtered ENV, keep CWD.
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* Only stdin/out/err open
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*/
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static int test7(const void *unused ATTRIBUTE_UNUSED)
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{
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virCommandPtr cmd = virCommandNew(abs_builddir "/commandhelper");
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virCommandAddEnvPassCommon(cmd);
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virCommandAddEnvPass(cmd, "DISPLAY");
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virCommandAddEnvPass(cmd, "DOESNOTEXIST");
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if (virCommandRun(cmd, NULL) < 0) {
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virErrorPtr err = virGetLastError();
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printf("Cannot run child %s\n", err->message);
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virCommandFree(cmd);
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return -1;
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}
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virCommandFree(cmd);
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return checkoutput("test7");
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}
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/*
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* Run program, no args, inherit filtered ENV, keep CWD.
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* Only stdin/out/err open
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*/
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static int test8(const void *unused ATTRIBUTE_UNUSED)
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{
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virCommandPtr cmd = virCommandNew(abs_builddir "/commandhelper");
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virCommandAddEnvString(cmd, "LANG=C");
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virCommandAddEnvPair(cmd, "USER", "test");
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if (virCommandRun(cmd, NULL) < 0) {
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virErrorPtr err = virGetLastError();
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printf("Cannot run child %s\n", err->message);
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virCommandFree(cmd);
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return -1;
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}
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virCommandFree(cmd);
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return checkoutput("test8");
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}
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/*
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* Run program, some args, inherit all ENV, keep CWD.
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* Only stdin/out/err open
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*/
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static int test9(const void *unused ATTRIBUTE_UNUSED)
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{
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virCommandPtr cmd = virCommandNew(abs_builddir "/commandhelper");
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const char* const args[] = { "arg1", "arg2", NULL };
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virCommandAddArg(cmd, "-version");
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virCommandAddArgPair(cmd, "-log", "bar.log");
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virCommandAddArgSet(cmd, args);
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virCommandAddArgList(cmd, "arg3", "arg4", NULL);
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if (virCommandRun(cmd, NULL) < 0) {
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virErrorPtr err = virGetLastError();
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printf("Cannot run child %s\n", err->message);
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virCommandFree(cmd);
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return -1;
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}
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virCommandFree(cmd);
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return checkoutput("test9");
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}
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/*
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* Run program, some args, inherit all ENV, keep CWD.
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* Only stdin/out/err open
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*/
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static int test10(const void *unused ATTRIBUTE_UNUSED)
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{
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virCommandPtr cmd = virCommandNew(abs_builddir "/commandhelper");
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const char *const args[] = {
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"-version", "-log=bar.log", NULL,
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};
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virCommandAddArgSet(cmd, args);
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if (virCommandRun(cmd, NULL) < 0) {
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virErrorPtr err = virGetLastError();
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printf("Cannot run child %s\n", err->message);
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virCommandFree(cmd);
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return -1;
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}
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virCommandFree(cmd);
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return checkoutput("test10");
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}
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/*
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* Run program, some args, inherit all ENV, keep CWD.
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* Only stdin/out/err open
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*/
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static int test11(const void *unused ATTRIBUTE_UNUSED)
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{
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const char *args[] = {
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abs_builddir "/commandhelper",
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"-version", "-log=bar.log", NULL,
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};
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virCommandPtr cmd = virCommandNewArgs(args);
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if (virCommandRun(cmd, NULL) < 0) {
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virErrorPtr err = virGetLastError();
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printf("Cannot run child %s\n", err->message);
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virCommandFree(cmd);
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return -1;
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}
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virCommandFree(cmd);
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return checkoutput("test11");
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}
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/*
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* Run program, no args, inherit all ENV, keep CWD.
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* Only stdin/out/err open. Set stdin data
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*/
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static int test12(const void *unused ATTRIBUTE_UNUSED)
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{
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virCommandPtr cmd = virCommandNew(abs_builddir "/commandhelper");
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virCommandSetInputBuffer(cmd, "Hello World\n");
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if (virCommandRun(cmd, NULL) < 0) {
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virErrorPtr err = virGetLastError();
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printf("Cannot run child %s\n", err->message);
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virCommandFree(cmd);
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return -1;
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}
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virCommandFree(cmd);
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return checkoutput("test12");
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}
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/*
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* Run program, no args, inherit all ENV, keep CWD.
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* Only stdin/out/err open. Set stdin data
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*/
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static int test13(const void *unused ATTRIBUTE_UNUSED)
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{
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virCommandPtr cmd = virCommandNew(abs_builddir "/commandhelper");
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char *outactual = NULL;
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const char *outexpect = "BEGIN STDOUT\n"
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"Hello World\n"
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"END STDOUT\n";
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int ret = -1;
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virCommandSetInputBuffer(cmd, "Hello World\n");
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virCommandSetOutputBuffer(cmd, &outactual);
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if (virCommandRun(cmd, NULL) < 0) {
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virErrorPtr err = virGetLastError();
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printf("Cannot run child %s\n", err->message);
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goto cleanup;
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}
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if (!outactual)
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goto cleanup;
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virCommandFree(cmd);
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cmd = NULL;
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if (!STREQ(outactual, outexpect)) {
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virtTestDifference(stderr, outactual, outexpect);
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goto cleanup;
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}
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ret = checkoutput("test13");
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cleanup:
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virCommandFree(cmd);
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VIR_FREE(outactual);
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return ret;
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}
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|
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/*
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* Run program, no args, inherit all ENV, keep CWD.
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* Only stdin/out/err open. Set stdin data
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*/
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static int test14(const void *unused ATTRIBUTE_UNUSED)
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{
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virCommandPtr cmd = virCommandNew(abs_builddir "/commandhelper");
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char *outactual = NULL;
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const char *outexpect = "BEGIN STDOUT\n"
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"Hello World\n"
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"END STDOUT\n";
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char *erractual = NULL;
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const char *errexpect = "BEGIN STDERR\n"
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"Hello World\n"
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"END STDERR\n";
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int ret = -1;
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|
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virCommandSetInputBuffer(cmd, "Hello World\n");
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virCommandSetOutputBuffer(cmd, &outactual);
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virCommandSetErrorBuffer(cmd, &erractual);
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|
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if (virCommandRun(cmd, NULL) < 0) {
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virErrorPtr err = virGetLastError();
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printf("Cannot run child %s\n", err->message);
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goto cleanup;
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}
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if (!outactual || !erractual)
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goto cleanup;
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|
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virCommandFree(cmd);
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cmd = NULL;
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|
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if (!STREQ(outactual, outexpect)) {
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virtTestDifference(stderr, outactual, outexpect);
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goto cleanup;
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}
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if (!STREQ(erractual, errexpect)) {
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virtTestDifference(stderr, erractual, errexpect);
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goto cleanup;
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}
|
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|
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ret = checkoutput("test14");
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|
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cleanup:
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virCommandFree(cmd);
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VIR_FREE(outactual);
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VIR_FREE(erractual);
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return ret;
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}
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|
|
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/*
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* Run program, no args, inherit all ENV, change CWD.
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* Only stdin/out/err open
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*/
|
|
static int test15(const void *unused ATTRIBUTE_UNUSED)
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|
{
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virCommandPtr cmd = virCommandNew(abs_builddir "/commandhelper");
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char *cwd = NULL;
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int ret = -1;
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|
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if (virAsprintf(&cwd, "%s/commanddata", abs_srcdir) < 0)
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goto cleanup;
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|
virCommandSetWorkingDirectory(cmd, cwd);
|
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|
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if (virCommandRun(cmd, NULL) < 0) {
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virErrorPtr err = virGetLastError();
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printf("Cannot run child %s\n", err->message);
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goto cleanup;
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|
}
|
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|
|
ret = checkoutput("test15");
|
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|
|
cleanup:
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VIR_FREE(cwd);
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virCommandFree(cmd);
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|
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return ret;
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}
|
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|
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/*
|
|
* Don't run program; rather, log what would be run.
|
|
*/
|
|
static int test16(const void *unused ATTRIBUTE_UNUSED)
|
|
{
|
|
virCommandPtr cmd = virCommandNew("/bin/true");
|
|
char *outactual = NULL;
|
|
const char *outexpect = "A=B /bin/true C";
|
|
int ret = -1;
|
|
int fd = -1;
|
|
|
|
virCommandAddEnvPair(cmd, "A", "B");
|
|
virCommandAddArg(cmd, "C");
|
|
|
|
if ((outactual = virCommandToString(cmd)) == NULL) {
|
|
virErrorPtr err = virGetLastError();
|
|
printf("Cannot convert to string: %s\n", err->message);
|
|
goto cleanup;
|
|
}
|
|
if ((fd = open(abs_builddir "/commandhelper.log",
|
|
O_CREAT | O_TRUNC | O_WRONLY, 0600)) < 0) {
|
|
printf("Cannot open log file: %s\n", strerror (errno));
|
|
goto cleanup;
|
|
}
|
|
virCommandWriteArgLog(cmd, fd);
|
|
if (VIR_CLOSE(fd) < 0) {
|
|
printf("Cannot close log file: %s\n", strerror (errno));
|
|
goto cleanup;
|
|
}
|
|
|
|
if (!STREQ(outactual, outexpect)) {
|
|
virtTestDifference(stderr, outactual, outexpect);
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = checkoutput("test16");
|
|
|
|
cleanup:
|
|
virCommandFree(cmd);
|
|
VIR_FORCE_CLOSE(fd);
|
|
VIR_FREE(outactual);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Test string handling when no output is present.
|
|
*/
|
|
static int test17(const void *unused ATTRIBUTE_UNUSED)
|
|
{
|
|
virCommandPtr cmd = virCommandNew("/bin/true");
|
|
int ret = -1;
|
|
char *outbuf;
|
|
char *errbuf;
|
|
|
|
virCommandSetOutputBuffer(cmd, &outbuf);
|
|
if (outbuf != NULL) {
|
|
puts("buffer not sanitized at registration");
|
|
goto cleanup;
|
|
}
|
|
|
|
if (virCommandRun(cmd, NULL) < 0) {
|
|
virErrorPtr err = virGetLastError();
|
|
printf("Cannot run child %s\n", err->message);
|
|
goto cleanup;
|
|
}
|
|
|
|
if (!outbuf || *outbuf) {
|
|
puts("output buffer is not an allocated empty string");
|
|
goto cleanup;
|
|
}
|
|
VIR_FREE(outbuf);
|
|
if ((outbuf = strdup("should not be leaked")) == NULL) {
|
|
puts("test framework failure");
|
|
goto cleanup;
|
|
}
|
|
|
|
virCommandSetErrorBuffer(cmd, &errbuf);
|
|
if (errbuf != NULL) {
|
|
puts("buffer not sanitized at registration");
|
|
goto cleanup;
|
|
}
|
|
|
|
if (virCommandRun(cmd, NULL) < 0) {
|
|
virErrorPtr err = virGetLastError();
|
|
printf("Cannot run child %s\n", err->message);
|
|
goto cleanup;
|
|
}
|
|
|
|
if (!outbuf || *outbuf || !errbuf || *errbuf) {
|
|
puts("output buffers are not allocated empty strings");
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = 0;
|
|
cleanup:
|
|
virCommandFree(cmd);
|
|
VIR_FREE(outbuf);
|
|
VIR_FREE(errbuf);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Run long-running daemon, to ensure no hang.
|
|
*/
|
|
static int test18(const void *unused ATTRIBUTE_UNUSED)
|
|
{
|
|
virCommandPtr cmd = virCommandNewArgList("sleep", "100", NULL);
|
|
char *pidfile = virFilePid(abs_builddir, "commandhelper");
|
|
pid_t pid;
|
|
int ret = -1;
|
|
|
|
if (!pidfile)
|
|
goto cleanup;
|
|
|
|
virCommandSetPidFile(cmd, pidfile);
|
|
virCommandDaemonize(cmd);
|
|
|
|
alarm(5);
|
|
if (virCommandRun(cmd, NULL) < 0) {
|
|
virErrorPtr err = virGetLastError();
|
|
printf("Cannot run child %s\n", err->message);
|
|
goto cleanup;
|
|
}
|
|
alarm(0);
|
|
|
|
if (virFileReadPid(abs_builddir, "commandhelper", &pid) != 0) {
|
|
printf("cannot read pidfile\n");
|
|
goto cleanup;
|
|
}
|
|
while (kill(pid, SIGINT) != -1)
|
|
usleep(100*1000);
|
|
|
|
ret = 0;
|
|
|
|
cleanup:
|
|
virCommandFree(cmd);
|
|
unlink(pidfile);
|
|
VIR_FREE(pidfile);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int
|
|
mymain(int argc, char **argv)
|
|
{
|
|
int ret = 0;
|
|
char cwd[PATH_MAX];
|
|
int fd;
|
|
|
|
abs_srcdir = getenv("abs_srcdir");
|
|
if (!abs_srcdir)
|
|
abs_srcdir = getcwd(cwd, sizeof(cwd));
|
|
|
|
progname = argv[0];
|
|
|
|
if (argc > 1) {
|
|
fprintf(stderr, "Usage: %s\n", progname);
|
|
return(EXIT_FAILURE);
|
|
}
|
|
|
|
if (chdir("/tmp") < 0)
|
|
return(EXIT_FAILURE);
|
|
|
|
setpgid(0, 0);
|
|
setsid();
|
|
|
|
/* Kill off any inherited fds that might interfere with our
|
|
* testing. */
|
|
fd = 3;
|
|
VIR_FORCE_CLOSE(fd);
|
|
fd = 4;
|
|
VIR_FORCE_CLOSE(fd);
|
|
fd = 5;
|
|
VIR_FORCE_CLOSE(fd);
|
|
|
|
virInitialize();
|
|
|
|
const char *const newenv[] = {
|
|
"PATH=/usr/bin:/bin",
|
|
"HOSTNAME=test",
|
|
"LANG=C",
|
|
"HOME=/home/test",
|
|
"USER=test",
|
|
"LOGNAME=test"
|
|
"TMPDIR=/tmp",
|
|
"DISPLAY=:0.0",
|
|
NULL
|
|
};
|
|
environ = (char **)newenv;
|
|
|
|
# define DO_TEST(NAME) \
|
|
if (virtTestRun("Command Exec " #NAME " test", \
|
|
1, NAME, NULL) < 0) \
|
|
ret = -1
|
|
|
|
DO_TEST(test0);
|
|
DO_TEST(test1);
|
|
DO_TEST(test2);
|
|
DO_TEST(test3);
|
|
DO_TEST(test4);
|
|
DO_TEST(test5);
|
|
DO_TEST(test6);
|
|
DO_TEST(test7);
|
|
DO_TEST(test8);
|
|
DO_TEST(test9);
|
|
DO_TEST(test10);
|
|
DO_TEST(test11);
|
|
DO_TEST(test12);
|
|
DO_TEST(test13);
|
|
DO_TEST(test14);
|
|
DO_TEST(test15);
|
|
DO_TEST(test16);
|
|
DO_TEST(test17);
|
|
DO_TEST(test18);
|
|
|
|
return(ret==0 ? EXIT_SUCCESS : EXIT_FAILURE);
|
|
}
|
|
|
|
#endif /* !WIN32 */
|
|
|
|
VIRT_TEST_MAIN(mymain)
|