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/*
* Copyright (C) 2012-2014 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"
const ConfigEntry *provider_config_defaults = (const ConfigEntry *)&(ConfigEntry []) {
/* group, key, value */
{"LMI_SymbolicLink", "AllowSymlink", "False"},
{"LMI_UnixDirectory", "AllowMkdir", "True"},
{"LMI_UnixDirectory", "AllowRmdir", "True"},
{NULL, NULL, NULL}
};
const char *provider_name = "logicalfile";
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;
}
CMPIStatus get_fsinfo_from_stat(const CMPIBroker *b, const struct stat *sb, const char *path,
char **fsclassname, char **fsname)
{
struct udev *udev_ctx;
struct udev_device *udev_dev;
const char *dev_name;
CMPIStatus st = {.rc = CMPI_RC_OK};
udev_ctx = udev_new();
if (!udev_ctx) {
lmi_return_with_status(b, &st, ERR_FAILED, "Could not create udev context");
}
udev_dev = udev_device_new_from_devnum(udev_ctx, 'b', sb->st_dev);
if ((dev_name = udev_device_get_property_value(udev_dev, "ID_FS_UUID_ENC"))) {
if (!*fsname) {
if (asprintf(fsname, "UUID=%s", dev_name) < 0) {
lmi_return_with_status(b, &st, ERR_FAILED, "asprintf failed");
}
}
if (!*fsclassname) {
*fsclassname = FSCREATIONCLASSNAME_LOCAL;
}
} else if ((dev_name = udev_device_get_property_value(udev_dev, "DEVNAME"))) {
if (!*fsname) {
if (asprintf(fsname, "DEVICE=%s", dev_name) < 0) {
lmi_return_with_status(b, &st, ERR_FAILED, "asprintf failed");
}
}
if (!*fsclassname) {
*fsclassname = FSCREATIONCLASSNAME_LOCAL;
}
} else {
if (!*fsname) {
if (asprintf(fsname, "PATH=%s", path) < 0) {
lmi_return_with_status(b, &st, ERR_FAILED, "asprintf failed");
}
}
if (!*fsclassname) {
*fsclassname = FSCREATIONCLASSNAME_TRANSIENT;
}
}
udev_device_unref(udev_dev);
udev_unref(udev_ctx);
return st;
}
CMPIStatus get_fsinfo_from_path(const CMPIBroker *b, const char *path, char **fsclassname, char **fsname)
{
CMPIStatus st = {.rc = CMPI_RC_OK};
struct stat sb;
if (lstat(path, &sb) < 0) {
lmi_return_with_status(b, &st, ERR_FAILED, "lstat(2) failed");
}
return get_fsinfo_from_stat(b, &sb, path, fsclassname, fsname);
}
CMPIStatus stat_logicalfile_and_fill(
const CMPIBroker *b,
logicalfile_t *lf,
mode_t mode,
const char *errmsg)
{
struct stat sb;
char buf[BUFLEN];
char *fsname;
char *fsclassname;
const char *path = KChars(lf->lf.datafile.Name.value);
CMPIStatus st = {.rc = CMPI_RC_OK};
if (lstat(path, &sb) < 0 || !(sb.st_mode & S_IFMT & mode)) {
snprintf(buf, BUFLEN, errmsg, path);
CMReturnWithChars(b, CMPI_RC_ERR_NOT_FOUND, buf);
}
get_class_from_stat(&sb, buf);
/* only use udev information if no fs information is provided */
/* discarding const qualifiers is ok here, it makes the code a bit more simple */
fsname = (char *) KChars(lf->lf.datafile.FSName.value);
fsclassname = (char *) KChars(lf->lf.datafile.FSCreationClassName.value);
st = get_fsinfo_from_stat(b, &sb, path, &fsclassname, &fsname);
lmi_check_status(st);
switch(mode) {
case S_IFREG:
fill_basic(b, DataFile, &lf->lf.datafile, buf, fsclassname, fsname, sb);
break;
case S_IFCHR:
/* FALLTHROUGH */
case S_IFBLK:
fill_basic(b, UnixDeviceFile, &lf->lf.unixdevicefile, buf, fsclassname, fsname, sb);
/* device-specific stuff */
char tmp[21];
sprintf(tmp, "%lu", sb.st_rdev);
LMI_UnixDeviceFile_Set_DeviceId(&lf->lf.unixdevicefile, tmp);
sprintf(tmp, "%u", major(sb.st_rdev));
LMI_UnixDeviceFile_Set_DeviceMajor(&lf->lf.unixdevicefile, tmp);
sprintf(tmp, "%u", minor(sb.st_rdev));
LMI_UnixDeviceFile_Set_DeviceMinor(&lf->lf.unixdevicefile, tmp);
if (S_ISCHR(sb.st_mode)) {
LMI_UnixDeviceFile_Set_DeviceFileType(&lf->lf.unixdevicefile, DEVTYPE_CHR);
} else if (S_ISBLK(sb.st_mode)) {
LMI_UnixDeviceFile_Set_DeviceFileType(&lf->lf.unixdevicefile, DEVTYPE_BLK);
}
break;
case S_IFDIR:
fill_basic(b, UnixDirectory, &lf->lf.unixdirectory, buf, fsclassname, fsname, sb);
break;
case S_IFIFO:
fill_basic(b, FIFOPipeFile, &lf->lf.fifopipefile, buf, fsclassname, fsname, sb);
break;
case S_IFLNK:
fill_basic(b, SymbolicLink, &lf->lf.symboliclink, buf, fsclassname, fsname, sb);
/* symlink-specific stuff */
char rpath[PATH_MAX];
const char *path;
path = KChars(lf->lf.symboliclink.Name.value);
realpath(path, rpath);
LMI_SymbolicLink_Set_TargetFile(&lf->lf.symboliclink, rpath);
break;
case S_IFSOCK:
fill_basic(b, UnixSocket, &lf->lf.unixsocket, buf, fsclassname, fsname, sb);
break;
default:
/* impossible */
assert(0);
}
return st;
}
/* vi: set et: */
/* Local Variables: */
/* indent-tabs-mode: nil */
/* c-basic-offset: 4 */
/* End: */
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