mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-07-06 09:55:46 +00:00
9ea249e7d9
This patch removes the defaultDiskDriverName from the virCaps structure. This particular default value is used only in the qemu driver so this patch uses the recently added callback to fill the driver name if it's needed instead of propagating it through virCaps.
348 lines
8.5 KiB
C
348 lines
8.5 KiB
C
/*
|
|
* Copyright (C) 2011-2013 Red Hat, Inc.
|
|
*
|
|
* 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
|
|
* License along with this library; If not, see
|
|
* <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
|
|
#include <config.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
|
|
#include <selinux/selinux.h>
|
|
#include <selinux/context.h>
|
|
|
|
#include "internal.h"
|
|
#include "testutils.h"
|
|
#include "testutilsqemu.h"
|
|
#include "qemu/qemu_domain.h"
|
|
#include "viralloc.h"
|
|
#include "virerror.h"
|
|
#include "virfile.h"
|
|
#include "virlog.h"
|
|
#include "virutil.h"
|
|
#include "security/security_manager.h"
|
|
|
|
|
|
#define VIR_FROM_THIS VIR_FROM_NONE
|
|
|
|
static virCapsPtr caps;
|
|
static virDomainXMLOptionPtr xmlopt;
|
|
|
|
static virSecurityManagerPtr mgr;
|
|
|
|
typedef struct testSELinuxFile testSELinuxFile;
|
|
|
|
struct testSELinuxFile {
|
|
char *file;
|
|
char *context;
|
|
};
|
|
|
|
|
|
static int
|
|
testSELinuxMungePath(char **path)
|
|
{
|
|
char *tmp;
|
|
|
|
if (virAsprintf(&tmp, "%s/securityselinuxlabeldata%s",
|
|
abs_builddir, *path) < 0) {
|
|
virReportOOMError();
|
|
return -1;
|
|
}
|
|
|
|
VIR_FREE(*path);
|
|
*path = tmp;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
testSELinuxLoadFileList(const char *testname,
|
|
testSELinuxFile **files,
|
|
size_t *nfiles)
|
|
{
|
|
int ret = -1;
|
|
char *path = NULL;
|
|
FILE *fp = NULL;
|
|
|
|
*files = NULL;
|
|
*nfiles = 0;
|
|
|
|
if (virAsprintf(&path, "%s/securityselinuxlabeldata/%s.txt",
|
|
abs_srcdir, testname) < 0) {
|
|
virReportOOMError();
|
|
goto cleanup;
|
|
}
|
|
|
|
if (!(fp = fopen(path, "r"))) {
|
|
goto cleanup;
|
|
}
|
|
|
|
while (!feof(fp)) {
|
|
char *line;
|
|
char *file, *context;
|
|
if (VIR_ALLOC_N(line, 1024) < 0) {
|
|
virReportOOMError();
|
|
goto cleanup;
|
|
}
|
|
if (!fgets(line, 1024, fp)) {
|
|
if (!feof(fp))
|
|
goto cleanup;
|
|
break;
|
|
}
|
|
|
|
char *tmp = strchr(line, ';');
|
|
*tmp = '\0';
|
|
tmp++;
|
|
|
|
if (virAsprintf(&file, "%s/securityselinuxlabeldata%s", abs_builddir, line) < 0) {
|
|
VIR_FREE(line);
|
|
virReportOOMError();
|
|
goto cleanup;
|
|
}
|
|
if (*tmp != '\0' && *tmp != '\n') {
|
|
if (!(context = strdup(tmp))) {
|
|
VIR_FREE(line);
|
|
VIR_FREE(file);
|
|
virReportOOMError();
|
|
goto cleanup;
|
|
}
|
|
|
|
tmp = strchr(context, '\n');
|
|
*tmp = '\0';
|
|
} else {
|
|
context = NULL;
|
|
}
|
|
|
|
if (VIR_EXPAND_N(*files, *nfiles, 1) < 0) {
|
|
virReportOOMError();
|
|
goto cleanup;
|
|
}
|
|
|
|
(*files)[(*nfiles)-1].file = file;
|
|
(*files)[(*nfiles)-1].context = context;
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
cleanup:
|
|
VIR_FORCE_FCLOSE(fp);
|
|
VIR_FREE(path);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static virDomainDefPtr
|
|
testSELinuxLoadDef(const char *testname)
|
|
{
|
|
char *xmlfile = NULL;
|
|
char *xmlstr = NULL;
|
|
virDomainDefPtr def = NULL;
|
|
size_t i;
|
|
|
|
if (virAsprintf(&xmlfile, "%s/securityselinuxlabeldata/%s.xml",
|
|
abs_srcdir, testname) < 0) {
|
|
virReportOOMError();
|
|
goto cleanup;
|
|
}
|
|
|
|
if (virFileReadAll(xmlfile, 1024*1024, &xmlstr) < 0) {
|
|
goto cleanup;
|
|
}
|
|
|
|
if (!(def = virDomainDefParseString(xmlstr, caps, xmlopt,
|
|
QEMU_EXPECTED_VIRT_TYPES,
|
|
0)))
|
|
goto cleanup;
|
|
|
|
for (i = 0 ; i < def->ndisks ; i++) {
|
|
if (def->disks[i]->type != VIR_DOMAIN_DISK_TYPE_FILE &&
|
|
def->disks[i]->type != VIR_DOMAIN_DISK_TYPE_BLOCK)
|
|
continue;
|
|
|
|
if (testSELinuxMungePath(&def->disks[i]->src) < 0)
|
|
goto cleanup;
|
|
}
|
|
|
|
for (i = 0 ; i < def->nserials ; i++) {
|
|
if (def->serials[i]->source.type != VIR_DOMAIN_CHR_TYPE_FILE &&
|
|
def->serials[i]->source.type != VIR_DOMAIN_CHR_TYPE_PIPE &&
|
|
def->serials[i]->source.type != VIR_DOMAIN_CHR_TYPE_DEV &&
|
|
def->serials[i]->source.type != VIR_DOMAIN_CHR_TYPE_UNIX)
|
|
continue;
|
|
|
|
if (def->serials[i]->source.type == VIR_DOMAIN_CHR_TYPE_UNIX) {
|
|
if (testSELinuxMungePath(&def->serials[i]->source.data.nix.path) < 0)
|
|
goto cleanup;
|
|
} else {
|
|
if (testSELinuxMungePath(&def->serials[i]->source.data.file.path) < 0)
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
if (def->os.kernel &&
|
|
testSELinuxMungePath(&def->os.kernel) < 0)
|
|
goto cleanup;
|
|
if (def->os.initrd &&
|
|
testSELinuxMungePath(&def->os.initrd) < 0)
|
|
goto cleanup;
|
|
|
|
cleanup:
|
|
VIR_FREE(xmlfile);
|
|
VIR_FREE(xmlstr);
|
|
return def;
|
|
}
|
|
|
|
|
|
static int
|
|
testSELinuxCreateDisks(testSELinuxFile *files, size_t nfiles)
|
|
{
|
|
size_t i;
|
|
|
|
if (virFileMakePath(abs_builddir "/securityselinuxlabeldata") < 0)
|
|
return -1;
|
|
|
|
for (i = 0 ; i < nfiles ; i++) {
|
|
if (virFileTouch(files[i].file, 0600) < 0)
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
testSELinuxDeleteDisks(testSELinuxFile *files, size_t nfiles)
|
|
{
|
|
size_t i;
|
|
|
|
for (i = 0 ; i < nfiles ; i++) {
|
|
if (unlink(files[i].file) < 0)
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
testSELinuxCheckLabels(testSELinuxFile *files, size_t nfiles)
|
|
{
|
|
size_t i;
|
|
security_context_t ctx;
|
|
|
|
for (i = 0 ; i < nfiles ; i++) {
|
|
if (getfilecon(files[i].file, &ctx) < 0) {
|
|
if (errno == ENODATA) {
|
|
ctx = NULL;
|
|
} else {
|
|
virReportSystemError(errno,
|
|
"Cannot read label on %s",
|
|
files[i].file);
|
|
return -1;
|
|
}
|
|
}
|
|
if (!STREQ_NULLABLE(files[i].context, ctx)) {
|
|
virReportError(VIR_ERR_INTERNAL_ERROR,
|
|
"File %s context '%s' did not match epected '%s'",
|
|
files[i].file, ctx, files[i].context);
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
testSELinuxLabeling(const void *opaque)
|
|
{
|
|
const char *testname = opaque;
|
|
int ret = -1;
|
|
testSELinuxFile *files = NULL;
|
|
size_t nfiles = 0;
|
|
size_t i;
|
|
virDomainDefPtr def = NULL;
|
|
|
|
if (testSELinuxLoadFileList(testname, &files, &nfiles) < 0)
|
|
goto cleanup;
|
|
|
|
if (testSELinuxCreateDisks(files, nfiles) < 0)
|
|
goto cleanup;
|
|
|
|
if (!(def = testSELinuxLoadDef(testname)))
|
|
goto cleanup;
|
|
|
|
if (virSecurityManagerSetAllLabel(mgr, def, NULL) < 0)
|
|
goto cleanup;
|
|
|
|
if (testSELinuxCheckLabels(files, nfiles) < 0)
|
|
goto cleanup;
|
|
|
|
ret = 0;
|
|
|
|
cleanup:
|
|
if (testSELinuxDeleteDisks(files, nfiles) < 0)
|
|
goto cleanup;
|
|
|
|
virDomainDefFree(def);
|
|
for (i = 0 ; i < nfiles; i++) {
|
|
VIR_FREE(files[i].file);
|
|
VIR_FREE(files[i].context);
|
|
}
|
|
VIR_FREE(files);
|
|
if (ret < 0 && virTestGetVerbose()) {
|
|
virErrorPtr err = virGetLastError();
|
|
fprintf(stderr, "%s\n", err ? err->message : "<unknown>");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
mymain(void)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (!(mgr = virSecurityManagerNew("selinux", "QEMU", false, true, false))) {
|
|
virErrorPtr err = virGetLastError();
|
|
if (err->code == VIR_ERR_CONFIG_UNSUPPORTED)
|
|
return EXIT_AM_SKIP;
|
|
|
|
fprintf(stderr, "Unable to initialize security driver: %s\n",
|
|
err->message);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if ((caps = testQemuCapsInit()) == NULL)
|
|
return EXIT_FAILURE;
|
|
|
|
if (!(xmlopt = virQEMUDriverCreateXMLConf(NULL)))
|
|
return EXIT_FAILURE;
|
|
|
|
#define DO_TEST_LABELING(name) \
|
|
if (virtTestRun("Labelling " # name, 1, testSELinuxLabeling, name) < 0) \
|
|
ret = -1; \
|
|
|
|
setcon((security_context_t)"system_r:system_u:libvirtd_t:s0:c0.c1023");
|
|
|
|
DO_TEST_LABELING("disks");
|
|
DO_TEST_LABELING("kernel");
|
|
DO_TEST_LABELING("chardev");
|
|
|
|
return (ret == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
|
|
}
|
|
|
|
VIRT_TEST_MAIN_PRELOAD(mymain, abs_builddir "/.libs/libsecurityselinuxhelper.so")
|