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diff --git a/qdevices/utils.c b/qdevices/utils.c
index 0fec7183..41850b8c 100644
--- a/qdevices/utils.c
+++ b/qdevices/utils.c
@@ -1,174 +1,188 @@
/*
* Copyright (c) 2015-2016 Red Hat, Inc.
*
* All rights reserved.
*
* Author: Jan Friesse (jfriesse@redhat.com)
*
* This software licensed under BSD license, the text of which follows:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the Red Hat, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/file.h>
#include <arpa/inet.h>
+#include <sys/stat.h>
#include <err.h>
#include <errno.h>
#include <inttypes.h>
+#include <libgen.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <syslog.h>
#include "utils.h"
/*
* Check string to value on, off, yes, no, 0, 1. Return 1 if value is on, yes or 1, 0 if
* value is off, no or 0 and -1 otherwise.
*/
int
utils_parse_bool_str(const char *str)
{
if (strcasecmp(str, "yes") == 0 ||
strcasecmp(str, "on") == 0 ||
strcasecmp(str, "1") == 0) {
return (1);
} else if (strcasecmp(str, "no") == 0 ||
strcasecmp(str, "off") == 0 ||
strcasecmp(str, "0") == 0) {
return (0);
}
return (-1);
}
int
utils_flock(const char *lockfile, pid_t pid, int *another_instance_running)
{
struct flock lock;
char pid_s[17];
int fd_flag;
int lf;
+ char *dname;
*another_instance_running = 0;
+ /*
+ * lockfile directory may not exists. Creation of directory should
+ * be handled by initscript/tmpfiles.d. But as a last chance it
+ * make sense to try to create it here.
+ */
+ dname = strdup(lockfile);
+ if (dname != NULL) {
+ (void)mkdir(dirname(dname), 0770);
+ free(dname);
+ }
+
lf = open(lockfile, O_WRONLY | O_CREAT, 0640);
if (lf == -1) {
return (-1);
}
retry_fcntl:
lock.l_type = F_WRLCK;
lock.l_start = 0;
lock.l_whence = SEEK_SET;
lock.l_len = 0;
if (fcntl(lf, F_SETLK, &lock) == -1) {
switch (errno) {
case EINTR:
goto retry_fcntl;
break;
case EAGAIN:
case EACCES:
*another_instance_running = 1;
goto error_close;
break;
default:
goto error_close;
break;
}
}
if (ftruncate(lf, 0) == -1) {
goto error_close_unlink;
}
memset(pid_s, 0, sizeof(pid_s));
snprintf(pid_s, sizeof(pid_s) - 1, "%u\n", pid);
retry_write:
if (write(lf, pid_s, strlen(pid_s)) != strlen(pid_s)) {
if (errno == EINTR) {
goto retry_write;
} else {
goto error_close_unlink;
}
}
if ((fd_flag = fcntl(lf, F_GETFD, 0)) == -1) {
goto error_close_unlink;
}
fd_flag |= FD_CLOEXEC;
if (fcntl(lf, F_SETFD, fd_flag) == -1) {
goto error_close_unlink;
}
return (lf);
error_close_unlink:
unlink(lockfile);
error_close:
close(lf);
return (-1);
}
void
utils_tty_detach(void)
{
int devnull;
switch (fork()) {
case -1:
err(1, "Can't create child process");
break;
case 0:
break;
default:
exit(0);
break;
}
/* Create new session */
(void)setsid();
/*
* Map stdin/out/err to /dev/null.
*/
devnull = open("/dev/null", O_RDWR);
if (devnull == -1) {
err(1, "Can't open /dev/null");
}
if (dup2(devnull, 0) < 0 || dup2(devnull, 1) < 0
|| dup2(devnull, 2) < 0) {
close(devnull);
err(1, "Can't dup2 stdin/out/err to /dev/null");
}
close(devnull);
}

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