mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-07-06 09:55:46 +00:00
ca7cc85245
'make check' has been failing on VPATH builds since commit
907a39e7. The tests already had magic for munging path names,
but were munging to the wrong location, thus working only on
an in-tree build.
* tests/securityselinuxlabeltest.c (testSELinuxMungePath): Munge
to correct path.
344 lines
8.4 KiB
C
344 lines
8.4 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 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(caps, xmlstr,
|
|
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)
|
|
exit(EXIT_AM_SKIP);
|
|
|
|
fprintf(stderr, "Unable to initialize security driver: %s\n",
|
|
err->message);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
if ((caps = testQemuCapsInit()) == NULL)
|
|
exit(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")
|