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[libvirt] [PATCHv2 5/5] storage: test backing chain traversal



Testing our backing chain handling will make it much easier to
ensure that we avoid issues in the future.  If only I had written
this test before I first caused several regressions...

* tests/virstoragetest.c: New test.
* tests/Makefile.am (test_programs): Build it.
* .gitignore: Ignore new files.
---
 .gitignore             |   1 +
 tests/Makefile.am      |   6 +
 tests/virstoragetest.c | 546 +++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 553 insertions(+)
 create mode 100644 tests/virstoragetest.c

diff --git a/.gitignore b/.gitignore
index 8afbf33..23fdc91 100644
--- a/.gitignore
+++ b/.gitignore
@@ -184,6 +184,7 @@
 /tests/virnet*test
 /tests/virportallocatortest
 /tests/virshtest
+/tests/virstoragetest
 /tests/virstringtest
 /tests/virtimetest
 /tests/viruritest
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 7d0a88e..cafdae0 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -100,6 +100,7 @@ test_programs = virshtest sockettest \
 	virstringtest \
         virportallocatortest \
 	sysinfotest \
+	virstoragetest \
 	$(NULL)

 if WITH_GNUTLS
@@ -565,6 +566,11 @@ virstringtest_SOURCES = \
 virstringtest_CFLAGS = -Dabs_builddir="\"$(abs_builddir)\"" $(AM_CFLAGS)
 virstringtest_LDADD = $(LDADDS)

+virstoragetest_SOURCES = \
+	virstoragetest.c testutils.h testutils.c
+virstoragetest_CFLAGS = -Dabs_builddir="\"$(abs_builddir)\"" $(AM_CFLAGS)
+virstoragetest_LDADD = $(LDADDS)
+
 virlockspacetest_SOURCES = \
 	virlockspacetest.c testutils.h testutils.c
 virlockspacetest_CFLAGS = -Dabs_builddir="\"$(abs_builddir)\"" $(AM_CFLAGS)
diff --git a/tests/virstoragetest.c b/tests/virstoragetest.c
new file mode 100644
index 0000000..6b4ca99
--- /dev/null
+++ b/tests/virstoragetest.c
@@ -0,0 +1,546 @@
+/*
+ * Copyright (C) 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, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Author: Eric Blake <eblake redhat com>
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+
+#include "testutils.h"
+#include "vircommand.h"
+#include "virerror.h"
+#include "virlog.h"
+#include "virstoragefile.h"
+
+#define VIR_FROM_THIS VIR_FROM_NONE
+
+#define datadir abs_builddir "/virstoragedata"
+
+/* This test creates the following files, all in datadir:
+
+ * raw: 1024-byte raw file
+ * qcow2: qcow2 file with 'raw' as backing
+ * wrap: qcow2 file with 'qcow2' as backing
+ * qed: qed file with 'raw' as backing
+ * sub/link1: symlink to qcow2
+ * sub/link2: symlink to wrap
+ *
+ * Relative names to these files are known at compile time, but absolute
+ * and canonical names depend on where the test is run; for convenience,
+ * we pre-populate the computation of these names for use during the test.
+*/
+
+static char *qemuimg;
+static char *absraw;
+static char *canonraw;
+static char *absqcow2;
+static char *canonqcow2;
+static char *abswrap;
+static char *absqed;
+static char *abslink2;
+
+static void
+testCleanupImages(void)
+{
+    virCommandPtr cmd;
+
+    VIR_FREE(qemuimg);
+    VIR_FREE(absraw);
+    VIR_FREE(canonraw);
+    VIR_FREE(absqcow2);
+    VIR_FREE(canonqcow2);
+    VIR_FREE(abswrap);
+    VIR_FREE(absqed);
+    VIR_FREE(abslink2);
+
+    if (chdir(abs_builddir) < 0) {
+        fprintf(stderr, "unable to return to correct directory, refusing to "
+                "clean up %s\n", datadir);
+        return;
+    }
+
+    cmd = virCommandNewArgList("rm", "-rf", datadir, NULL);
+    ignore_value(virCommandRun(cmd, NULL));
+    virCommandFree(cmd);
+}
+
+static int
+testPrepImages(void)
+{
+    int ret = EXIT_FAILURE;
+    virCommandPtr cmd = NULL;
+
+    qemuimg = virFindFileInPath("kvm-img");
+    if (!qemuimg)
+        qemuimg = virFindFileInPath("qemu-img");
+    if (!qemuimg) {
+        fprintf(stderr, "qemu-img missing or too old; skipping this test\n");
+        return EXIT_AM_SKIP;
+    }
+
+    if (virAsprintf(&absraw, "%s/raw", datadir) < 0 ||
+        virAsprintf(&absqcow2, "%s/qcow2", datadir) < 0 ||
+        virAsprintf(&abswrap, "%s/wrap", datadir) < 0 ||
+        virAsprintf(&absqed, "%s/qed", datadir) < 0 ||
+        virAsprintf(&abslink2, "%s/sub/link2", datadir) < 0) {
+        virReportOOMError();
+        goto cleanup;
+    }
+
+    if (virFileMakePath(datadir "/sub") < 0) {
+        fprintf(stderr, "unable to create directory %s\n", datadir "/sub");
+        goto cleanup;
+    }
+
+    if (chdir(datadir) < 0) {
+        fprintf(stderr, "unable to test relative backing chains\n");
+        goto cleanup;
+    }
+
+    /* I'm lazy enough to use a shell one-liner instead of open/write/close */
+    virCommandFree(cmd);
+    cmd = virCommandNewArgList("sh", "-c", "printf %1024d 0 > raw", NULL);
+    if (virCommandRun(cmd, NULL) < 0)
+        goto cleanup;
+    if (!(canonraw = canonicalize_file_name(absraw))) {
+        virReportOOMError();
+        goto cleanup;
+    }
+
+    /* Create a qcow2 wrapping relative raw; later on, we modify its
+     * metadata to test other configurations */
+    virCommandFree(cmd);
+    cmd = virCommandNewArgList("qemu-img", "create", "-f", "qcow2",
+                               "-obacking_file=raw,backing_fmt=raw", "qcow2",
+                               NULL);
+    if (virCommandRun(cmd, NULL) < 0)
+        goto cleanup;
+    /* Make sure our later uses of 'qemu-img rebase' will work */
+    virCommandFree(cmd);
+    cmd = virCommandNewArgList("qemu-img", "rebase", "-u", "-f", "qcow2",
+                               "-F", "raw", "-b", "raw", "qcow2", NULL);
+    if (virCommandRun(cmd, NULL) < 0) {
+        fprintf(stderr, "qemu-img is too old; skipping this test\n");
+        ret = EXIT_AM_SKIP;
+        goto cleanup;
+    }
+    if (!(canonqcow2 = canonicalize_file_name(absqcow2))) {
+        virReportOOMError();
+        goto cleanup;
+    }
+
+    /* Create a second qcow2 wrapping the first, to be sure that we
+     * can correctly avoid insecure probing.  */
+    virCommandFree(cmd);
+    cmd = virCommandNewArgList("qemu-img", "create", "-f", "qcow2", NULL);
+    virCommandAddArgFormat(cmd, "-obacking_file=%s,backing_fmt=qcow2",
+                           absqcow2);
+    virCommandAddArg(cmd, "wrap");
+    if (virCommandRun(cmd, NULL) < 0)
+        goto cleanup;
+
+    /* Create a qed file. */
+    virCommandFree(cmd);
+    cmd = virCommandNewArgList("qemu-img", "create", "-f", "qed", NULL);
+    virCommandAddArgFormat(cmd, "-obacking_file=%s,backing_fmt=raw",
+                           absraw);
+    virCommandAddArg(cmd, "qed");
+    if (virCommandRun(cmd, NULL) < 0)
+        goto cleanup;
+
+    /* Create some symlinks in a sub-directory. */
+    if (symlink("../qcow2", datadir "/sub/link1") < 0 ||
+        symlink("../wrap", datadir "/sub/link2") < 0) {
+        fprintf(stderr, "unable to create symlink");
+        goto cleanup;
+    }
+
+    ret = 0;
+cleanup:
+    virCommandFree(cmd);
+    if (ret)
+        testCleanupImages();
+    return ret;
+}
+
+typedef struct _testFileData testFileData;
+struct _testFileData
+{
+    const char *expBackingStore;
+    const char *expBackingStoreRaw;
+    const char *expDirectory;
+    enum virStorageFileFormat expFormat;
+    bool expIsFile;
+    unsigned long long expCapacity;
+    bool expEncrypted;
+};
+
+enum {
+    EXP_PASS = 0,
+    EXP_FAIL = 1,
+    EXP_WARN = 2,
+    ALLOW_PROBE = 4,
+};
+
+struct testChainData
+{
+    const char *start;
+    enum virStorageFileFormat format;
+    const testFileData *files;
+    int nfiles;
+    unsigned int flags;
+};
+
+static int
+testStorageChain(const void *args)
+{
+    const struct testChainData *data = args;
+    int ret = -1;
+    virStorageFileMetadataPtr meta;
+    virStorageFileMetadataPtr elt;
+    int i = 0;
+
+    meta = virStorageFileGetMetadata(data->start, data->format, -1, -1,
+                                     (data->flags & ALLOW_PROBE) != 0);
+    if (!meta) {
+        if (data->flags & EXP_FAIL) {
+            virResetLastError();
+            ret = 0;
+        }
+        goto cleanup;
+    } else if (data->flags & EXP_FAIL) {
+        fprintf(stderr, "call should have failed\n");
+        goto cleanup;
+    }
+    if (data->flags & EXP_WARN)
+        virResetLastError();
+
+    elt = meta;
+    while (elt) {
+        char *expect = NULL;
+        char *actual = NULL;
+
+        if (i == data->nfiles) {
+            fprintf(stderr, "probed chain was too long\n");
+            goto cleanup;
+        }
+
+        if (virAsprintf(&expect,
+                        "store:%s\nraw:%s\ndirectory:%s\nother:%d %d %lld %d",
+                        NULLSTR(data->files[i].expBackingStore),
+                        NULLSTR(data->files[i].expBackingStoreRaw),
+                        NULLSTR(data->files[i].expDirectory),
+                        data->files[i].expFormat,
+                        data->files[i].expIsFile,
+                        data->files[i].expCapacity,
+                        data->files[i].expEncrypted) < 0 ||
+            virAsprintf(&actual,
+                        "store:%s\nraw:%s\ndirectory:%s\nother:%d %d %lld %d",
+                        NULLSTR(elt->backingStore),
+                        NULLSTR(elt->backingStoreRaw),
+                        NULLSTR(elt->directory),
+                        elt->backingStoreFormat, elt->backingStoreIsFile,
+                        elt->capacity, elt->encrypted) < 0) {
+            virReportOOMError();
+            VIR_FREE(expect);
+            VIR_FREE(actual);
+            goto cleanup;
+        }
+        if (STRNEQ(expect, actual)) {
+            virtTestDifference(stderr, expect, actual);
+            VIR_FREE(expect);
+            VIR_FREE(actual);
+            goto cleanup;
+        }
+        VIR_FREE(expect);
+        VIR_FREE(actual);
+        elt = elt->backingMeta;
+        i++;
+    }
+    if (i != data->nfiles) {
+        fprintf(stderr, "probed chain was too short\n");
+        goto cleanup;
+    }
+
+    ret = 0;
+cleanup:
+    virStorageFileFreeMetadata(meta);
+    return ret;
+}
+
+static int
+mymain(void)
+{
+    int ret;
+    virCommandPtr cmd = NULL;
+
+    /* Prep some files with qemu-img; if that is not found on PATH, or
+     * if it lacks support for qcow2 and qed, skip this test.  */
+    if ((ret = testPrepImages()) != 0)
+        return ret;
+
+#define TEST_ONE_CHAIN(id, start, format, chain, flags)              \
+    do {                                                             \
+        struct testChainData data = {                                \
+            start, format, chain, ARRAY_CARDINALITY(chain), flags,   \
+        };                                                           \
+        if (virtTestRun("Storage backing chain " id, 1,              \
+                        testStorageChain, &data) < 0)                \
+            ret = -1;                                                \
+    } while (0)
+
+#define TEST_CHAIN(id, relstart, absstart, format, chain1, flags1,   \
+                   chain2, flags2, chain3, flags3, chain4, flags4)   \
+    do {                                                             \
+        TEST_ONE_CHAIN(#id "a", relstart, format, chain1, flags1);   \
+        TEST_ONE_CHAIN(#id "b", relstart, format, chain2, flags2);   \
+        TEST_ONE_CHAIN(#id "c", absstart, format, chain3, flags3);   \
+        TEST_ONE_CHAIN(#id "d", absstart, format, chain4, flags4);   \
+    } while (0)
+
+    /* Expected details about files in chains */
+    const testFileData raw = {
+        NULL, NULL, NULL, VIR_STORAGE_FILE_NONE, false, 0, false,
+    };
+    const testFileData qcow2_relback_relstart = {
+        canonraw, "raw", ".", VIR_STORAGE_FILE_RAW, true, 1024, false,
+    };
+    const testFileData qcow2_relback_absstart = {
+        canonraw, "raw", datadir, VIR_STORAGE_FILE_RAW, true, 1024, false,
+    };
+    const testFileData qcow2_absback = {
+        canonraw, absraw, datadir, VIR_STORAGE_FILE_RAW, true, 1024, false,
+    };
+    const testFileData qcow2_as_probe = {
+        canonraw, absraw, datadir, VIR_STORAGE_FILE_AUTO, true, 1024, false,
+    };
+    const testFileData qcow2_bogus = {
+        NULL, datadir "/bogus", datadir, VIR_STORAGE_FILE_NONE,
+        false, 1024, false,
+    };
+    const testFileData qcow2_protocol = {
+        "nbd:example.org:6000", NULL, NULL, VIR_STORAGE_FILE_RAW,
+        false, 1024, false,
+    };
+    const testFileData wrap = {
+        canonqcow2, absqcow2, datadir, VIR_STORAGE_FILE_QCOW2,
+        true, 1024, false,
+    };
+    const testFileData wrap_as_raw = {
+        canonqcow2, absqcow2, datadir, VIR_STORAGE_FILE_RAW,
+        true, 1024, false,
+    };
+    const testFileData wrap_as_probe = {
+        canonqcow2, absqcow2, datadir, VIR_STORAGE_FILE_AUTO,
+        true, 1024, false,
+    };
+    const testFileData qed = {
+        canonraw, absraw, datadir, VIR_STORAGE_FILE_RAW,
+        true, 1024, false,
+    };
+    const testFileData link1_rel = {
+        canonraw, "../raw", "sub/../sub/..", VIR_STORAGE_FILE_RAW,
+        true, 1024, false,
+    };
+    const testFileData link1_abs = {
+        canonraw, "../raw", datadir "/sub/../sub/..", VIR_STORAGE_FILE_RAW,
+        true, 1024, false,
+    };
+    const testFileData link2_rel = {
+        canonqcow2, "../sub/link1", "sub/../sub", VIR_STORAGE_FILE_QCOW2,
+        true, 1024, false,
+    };
+    const testFileData link2_abs = {
+        canonqcow2, "../sub/link1", datadir "/sub/../sub",
+        VIR_STORAGE_FILE_QCOW2, true, 1024, false,
+    };
+
+    /* The actual tests, in several groups. */
+
+    /* Missing file */
+    const testFileData chain0[] = { };
+    TEST_ONE_CHAIN("0", "bogus", VIR_STORAGE_FILE_RAW, chain0, EXP_FAIL);
+
+    /* Raw image, whether with right format or no specified format */
+    const testFileData chain1[] = { raw };
+    TEST_CHAIN(1, "raw", absraw, VIR_STORAGE_FILE_RAW,
+               chain1, EXP_PASS,
+               chain1, ALLOW_PROBE | EXP_PASS,
+               chain1, EXP_PASS,
+               chain1, ALLOW_PROBE | EXP_PASS);
+    TEST_CHAIN(2, "raw", absraw, VIR_STORAGE_FILE_AUTO,
+               chain1, EXP_PASS,
+               chain1, ALLOW_PROBE | EXP_PASS,
+               chain1, EXP_PASS,
+               chain1, ALLOW_PROBE | EXP_PASS);
+
+    /* Qcow2 file with relative raw backing, format provided */
+    const testFileData chain3a[] = { qcow2_relback_relstart, raw };
+    const testFileData chain3c[] = { qcow2_relback_absstart, raw };
+    const testFileData chain4a[] = { raw };
+    TEST_CHAIN(3, "qcow2", absqcow2, VIR_STORAGE_FILE_QCOW2,
+               chain3a, EXP_PASS,
+               chain3a, ALLOW_PROBE | EXP_PASS,
+               chain3c, EXP_PASS,
+               chain3c, ALLOW_PROBE | EXP_PASS);
+    TEST_CHAIN(4, "qcow2", absqcow2, VIR_STORAGE_FILE_AUTO,
+               chain4a, EXP_PASS,
+               chain3a, ALLOW_PROBE | EXP_PASS,
+               chain4a, EXP_PASS,
+               chain3c, ALLOW_PROBE | EXP_PASS);
+
+    /* Rewrite qcow2 file to use absolute backing name */
+    virCommandFree(cmd);
+    cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
+                               "-F", "raw", "-b", absraw, "qcow2", NULL);
+    if (virCommandRun(cmd, NULL) < 0)
+        ret = -1;
+
+    /* Qcow2 file with raw as absolute backing, backing format provided */
+    const testFileData chain5[] = { qcow2_absback, raw };
+    const testFileData chain6[] = { raw };
+    TEST_CHAIN(5, "qcow2", absqcow2, VIR_STORAGE_FILE_QCOW2,
+               chain5, EXP_PASS,
+               chain5, ALLOW_PROBE | EXP_PASS,
+               chain5, EXP_PASS,
+               chain5, ALLOW_PROBE | EXP_PASS);
+    TEST_CHAIN(6, "qcow2", absqcow2, VIR_STORAGE_FILE_AUTO,
+               chain6, EXP_PASS,
+               chain5, ALLOW_PROBE | EXP_PASS,
+               chain6, EXP_PASS,
+               chain5, ALLOW_PROBE | EXP_PASS);
+
+    /* Wrapped file access */
+    const testFileData chain7[] = { wrap, qcow2_absback, raw };
+    TEST_CHAIN(7, "wrap", abswrap, VIR_STORAGE_FILE_QCOW2,
+               chain7, EXP_PASS,
+               chain7, ALLOW_PROBE | EXP_PASS,
+               chain7, EXP_PASS,
+               chain7, ALLOW_PROBE | EXP_PASS);
+
+    /* Rewrite qcow2 and wrap file to omit backing file type */
+    virCommandFree(cmd);
+    cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
+                               "-b", absraw, "qcow2", NULL);
+    if (virCommandRun(cmd, NULL) < 0)
+        ret = -1;
+
+    virCommandFree(cmd);
+    cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
+                               "-b", absqcow2, "wrap", NULL);
+    if (virCommandRun(cmd, NULL) < 0)
+        ret = -1;
+
+    /* Qcow2 file with raw as absolute backing, backing format omitted */
+    const testFileData chain8a[] = { wrap_as_raw, raw };
+    const testFileData chain8b[] = { wrap_as_probe, qcow2_as_probe, raw };
+    TEST_CHAIN(8, "wrap", abswrap, VIR_STORAGE_FILE_QCOW2,
+               chain8a, EXP_PASS,
+               chain8b, ALLOW_PROBE | EXP_PASS,
+               chain8a, EXP_PASS,
+               chain8b, ALLOW_PROBE | EXP_PASS);
+
+    /* Rewrite qcow2 to a missing backing file, with backing type */
+    virCommandFree(cmd);
+    cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
+                               "-F", "qcow2", "-b", datadir "/bogus",
+                               "qcow2", NULL);
+    if (virCommandRun(cmd, NULL) < 0)
+        ret = -1;
+
+    /* Qcow2 file with missing backing file but specified type */
+    const testFileData chain9[] = { qcow2_bogus };
+    TEST_CHAIN(9, "qcow2", absqcow2, VIR_STORAGE_FILE_QCOW2,
+               chain9, EXP_WARN,
+               chain9, ALLOW_PROBE | EXP_WARN,
+               chain9, EXP_WARN,
+               chain9, ALLOW_PROBE | EXP_WARN);
+
+    /* Rewrite qcow2 to a missing backing file, without backing type */
+    virCommandFree(cmd);
+    cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
+                               "-b", datadir "/bogus", "qcow2", NULL);
+    if (virCommandRun(cmd, NULL) < 0)
+        ret = -1;
+
+    /* Qcow2 file with missing backing file and no specified type */
+    const testFileData chain10[] = { qcow2_bogus };
+    TEST_CHAIN(10, "qcow2", absqcow2, VIR_STORAGE_FILE_QCOW2,
+               chain10, EXP_WARN,
+               chain10, ALLOW_PROBE | EXP_WARN,
+               chain10, EXP_WARN,
+               chain10, ALLOW_PROBE | EXP_WARN);
+
+    /* Rewrite qcow2 to use an nbd: protocol as backend */
+    virCommandFree(cmd);
+    cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
+                               "-F", "raw", "-b", "nbd:example.org:6000",
+                               "qcow2", NULL);
+    if (virCommandRun(cmd, NULL) < 0)
+        ret = -1;
+
+    /* Qcow2 file with backing protocol instead of file */
+    const testFileData chain11[] = { qcow2_protocol };
+    TEST_CHAIN(11, "qcow2", absqcow2, VIR_STORAGE_FILE_QCOW2,
+               chain11, EXP_WARN,
+               chain11, ALLOW_PROBE | EXP_WARN,
+               chain11, EXP_WARN,
+               chain11, ALLOW_PROBE | EXP_WARN);
+
+    /* qed file */
+    const testFileData chain12a[] = { raw };
+    const testFileData chain12b[] = { qed, raw };
+    TEST_CHAIN(12, "qed", absqed, VIR_STORAGE_FILE_AUTO,
+               chain12a, EXP_PASS,
+               chain12b, ALLOW_PROBE | EXP_PASS,
+               chain12a, EXP_PASS,
+               chain12b, ALLOW_PROBE | EXP_PASS);
+
+    /* Rewrite qcow2 and wrap file to use backing names relative to a
+     * symlink from a different directory */
+    virCommandFree(cmd);
+    cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
+                               "-F", "raw", "-b", "../raw", "qcow2", NULL);
+    if (virCommandRun(cmd, NULL) < 0)
+        ret = -1;
+
+    virCommandFree(cmd);
+    cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
+                               "-F", "qcow2", "-b", "../sub/link1", "wrap",
+                               NULL);
+    if (virCommandRun(cmd, NULL) < 0)
+        ret = -1;
+
+    /* Behavior of symlinks to qcow2 with relative backing files */
+    const testFileData chain13a[] = { link2_rel, link1_rel, raw };
+    const testFileData chain13c[] = { link2_abs, link1_abs, raw };
+    TEST_CHAIN(13, "sub/link2", abslink2, VIR_STORAGE_FILE_QCOW2,
+               chain13a, EXP_PASS,
+               chain13a, ALLOW_PROBE | EXP_PASS,
+               chain13c, EXP_PASS,
+               chain13c, ALLOW_PROBE | EXP_PASS);
+
+    /* Final cleanup */
+    testCleanupImages();
+    virCommandFree(cmd);
+
+    return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+
+VIRT_TEST_MAIN(mymain)
-- 
1.8.1.2


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