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/*
* Copyright (C) 2012-2013 Red Hat, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors: Jan Synacek <jsynacek@redhat.com>
*/
#include "file.h"
CMPIStatus lmi_check_required(
const CMPIBroker *b,
const CMPIObjectPath *o,
const enum RequiredNames rn)
{
const char *prop;
const char *errmsg = NULL;
char *path = NULL;
/* check computer system creation class name */
if (CMIsNullValue(CMGetKey(o, "CSCreationClassName", NULL))) {
errmsg = "CSCreationClassName is empty";
goto done;
}
prop = get_string_property_from_op(o, "CSCreationClassName");
if (strcmp(prop, lmi_get_system_creation_class_name()) != 0) {
errmsg = "Wrong CSCreationClassName";
goto done;
}
/* check fqdn */
if (CMIsNullValue(CMGetKey(o, "CSName", NULL))) {
errmsg = "CSName is empty";
goto done;
}
prop = get_string_property_from_op(o, "CSName");
if (strcmp(prop, lmi_get_system_name()) != 0) {
errmsg = "Wrong CSName";
goto done;
}
if (rn == UNIXFILE) {
/* check creation class name */
char fileclass[BUFLEN];
if (CMIsNullValue(CMGetKey(o, "LFCreationClassName", NULL))) {
errmsg = "LFCreationClassName is empty";
goto done;
}
prop = get_string_property_from_op(o, "LFCreationClassName");
if (get_class_from_path(get_string_property_from_op(o, "LFName"), fileclass) != 0) {
errmsg = "Can't get class from path";
goto done;
}
if (strcmp(prop, fileclass) != 0) {
errmsg = "LFCreationClassName doesn't match the file's type";
goto done;
}
if (CMIsNullValue(CMGetKey(o, "LFName", NULL))) {
errmsg = "LFName is empty";
goto done;
}
if (get_fsname_from_path(get_string_property_from_op(o, "LFName"), &path) < 0) {
errmsg = "Can't get FSName from path";
goto done;
}
} else if (rn == LOGICALFILE) {
/* check creation class name */
if (CMIsNullValue(CMGetKey(o, "CreationClassName", NULL))) {
errmsg = "CreationClassName is empty";
goto done;
}
prop = get_string_property_from_op(o, "CreationClassName");
if (!CMClassPathIsA(b, o, prop, NULL)) {
errmsg = "CreationClassName and the class name don't match";
goto done;
}
if (CMIsNullValue(CMGetKey(o, "Name", NULL))) {
errmsg = "Name is empty";
goto done;
}
if (get_fsname_from_path(get_string_property_from_op(o, "Name"), &path) < 0) {
errmsg = "Can't get FSName from path";
goto done;
}
} else {
/* not possible! */
assert(0);
}
/* check fs creation class name and fsname */
if (CMIsNullValue(CMGetKey(o, "FSCreationClassName", NULL))) {
errmsg = "FSCreationClassName is empty";
goto done;
}
prop = get_string_property_from_op(o, "FSCreationClassName");
if (strcmp(prop, FSCREATIONCLASSNAME) != 0) {
errmsg = "Wrong FSCreationClassName";
goto done;
}
if (CMIsNullValue(CMGetKey(o, "FSName", NULL))) {
errmsg = "FSName is empty";
goto done;
}
prop = get_string_property_from_op(o, "FSName");
if (strcmp(prop, path) != 0) {
errmsg = "Wrong FSName";
goto done;
}
done:
if (path) {
free(path);
}
if (errmsg) {
CMReturnWithChars(b, CMPI_RC_ERR_FAILED, errmsg);
}
CMReturn(CMPI_RC_OK);
}
void get_class_from_stat(const struct stat *sb, char *fileclass) {
(S_ISREG(sb->st_mode)) ? strcpy(fileclass, "LMI_DataFile") :
(S_ISDIR(sb->st_mode)) ? strcpy(fileclass, "LMI_UnixDirectory") :
(S_ISCHR(sb->st_mode)) ? strcpy(fileclass, "LMI_UnixDeviceFile") :
(S_ISBLK(sb->st_mode)) ? strcpy(fileclass, "LMI_UnixDeviceFile") :
(S_ISLNK(sb->st_mode)) ? strcpy(fileclass, "LMI_SymbolicLink") :
(S_ISFIFO(sb->st_mode)) ? strcpy(fileclass, "LMI_FIFOPipeFile") :
(S_ISSOCK(sb->st_mode)) ? strcpy(fileclass, "LMI_UnixSocket") :
strcpy(fileclass, "Unknown");
assert(strcmp(fileclass, "Unknown") != 0);
}
int get_class_from_path(const char *path, char *fileclass)
{
int rc = 0;
struct stat sb;
if (lstat(path, &sb) < 0) {
rc = 1;
} else {
get_class_from_stat(&sb, fileclass);
}
return rc;
}
int get_fsname_from_stat(const struct stat *sb, char **fname)
{
static struct udev *udev_ctx = NULL;
struct udev_device *udev_dev;
const char *dev_name;
int rc = 0;
if (!udev_ctx) {
udev_ctx = udev_new();
if (!udev_ctx) {
lmi_warn("Could not create udev context");
rc = -1;
goto err;
}
}
char dev_id[16];
snprintf(dev_id, 16, "b%u:%u", major(sb->st_dev), minor(sb->st_dev));
udev_dev = udev_device_new_from_device_id(udev_ctx, dev_id);
if ((dev_name = udev_device_get_property_value(udev_dev, "ID_FS_UUID_ENC"))) {
rc = asprintf(fname, "UUID=%s", dev_name);
} else if ((dev_name = udev_device_get_property_value(udev_dev, "DEVNAME"))) {
rc = asprintf(fname, "DEVICE=%s", dev_name);
} else {
rc = asprintf(fname, "Unknown");
}
err:
return rc;
}
int get_fsname_from_path(const char *path, char **fsname)
{
struct stat sb;
int rc;
rc = lstat(path, &sb);
if (rc == 0) {
rc = get_fsname_from_stat(&sb, fsname);
}
return rc;
}
const char *get_string_property_from_op(const CMPIObjectPath *o, const char *prop)
{
CMPIData d;
d = CMGetKey(o, prop, NULL);
return KChars(d.value.string);
}
void _dump_objectpath(const CMPIObjectPath *o)
{
printf("OP: %s\n", CMGetCharsPtr(o->ft->toString(o, NULL), NULL));
}
/* vi: set et: */
/* Local Variables: */
/* indent-tabs-mode: nil */
/* End: */
|
