Rebuild for changed wireshark soname (rhbz#2031316)
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé
parent
2fa7e1b9cc
commit
bc7897c362
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From 7e299ba649b1288d529c7595c0e6060c9ae0ff2a Mon Sep 17 00:00:00 2001
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From: Michal Privoznik <mprivozn@redhat.com>
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Date: Mon, 29 Nov 2021 09:57:49 +0100
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Subject: [PATCH 1/2] wireshark: Switch to tvb_bytes_to_str()
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When the dissector sees a byte sequence that is either an opaque
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data (xdr_opaque) or a byte sequence (xdr_bytes) it formats the
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bytes as a hex numbers using our own implementation. But
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wireshark already provides a function for it: tvb_bytes_to_str().
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NB, the reason why it returns a const string is so that callers
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don't try to free it - the string is allocated using an allocator
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which will decide when to free it.
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The wireshark formatter was introduced in wireshark commit of
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v1.99.2~479 and thus is present in the version we require at
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least (2.6.0).
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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---
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tools/wireshark/src/packet-libvirt.c | 30 ++++++++--------------------
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1 file changed, 8 insertions(+), 22 deletions(-)
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diff --git a/tools/wireshark/src/packet-libvirt.c b/tools/wireshark/src/packet-libvirt.c
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index f43919b05d..cb922b8070 100644
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--- a/tools/wireshark/src/packet-libvirt.c
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+++ b/tools/wireshark/src/packet-libvirt.c
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@@ -158,24 +158,6 @@ dissect_xdr_string(tvbuff_t *tvb, proto_tree *tree, XDR *xdrs, int hf,
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}
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}
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-static const gchar *
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-format_xdr_bytes(guint8 *bytes, guint32 length)
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-{
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- gchar *buf;
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- guint32 i;
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-
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- if (length == 0)
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- return "";
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- buf = wmem_alloc(wmem_packet_scope(), length*2 + 1);
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- for (i = 0; i < length; i++) {
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- /* We know that buf has enough size to contain
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- 2 * length + '\0' characters. */
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- g_snprintf(buf, 2*(length - i) + 1, "%02x", bytes[i]);
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- buf += 2;
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- }
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- return buf - length*2;
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-}
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-
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static gboolean
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dissect_xdr_opaque(tvbuff_t *tvb, proto_tree *tree, XDR *xdrs, int hf,
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guint32 size)
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@@ -187,8 +169,10 @@ dissect_xdr_opaque(tvbuff_t *tvb, proto_tree *tree, XDR *xdrs, int hf,
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val = g_malloc(size);
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start = xdr_getpos(xdrs);
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if ((rc = xdr_opaque(xdrs, (caddr_t)val, size))) {
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- proto_tree_add_bytes_format_value(tree, hf, tvb, start, xdr_getpos(xdrs) - start,
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- NULL, "%s", format_xdr_bytes(val, size));
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+ gint len = xdr_getpos(xdrs) - start;
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+ const char *s = tvb_bytes_to_str(wmem_packet_scope(), tvb, start, len);
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+
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+ proto_tree_add_bytes_format_value(tree, hf, tvb, start, len, NULL, "%s", s);
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} else {
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proto_tree_add_item(tree, hf_libvirt_unknown, tvb, start, -1, ENC_NA);
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}
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@@ -207,8 +191,10 @@ dissect_xdr_bytes(tvbuff_t *tvb, proto_tree *tree, XDR *xdrs, int hf,
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start = xdr_getpos(xdrs);
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if (xdr_bytes(xdrs, (char **)&val, &length, maxlen)) {
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- proto_tree_add_bytes_format_value(tree, hf, tvb, start, xdr_getpos(xdrs) - start,
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- NULL, "%s", format_xdr_bytes(val, length));
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+ gint len = xdr_getpos(xdrs) - start;
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+ const char *s = tvb_bytes_to_str(wmem_packet_scope(), tvb, start, len);
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+
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+ proto_tree_add_bytes_format_value(tree, hf, tvb, start, len, NULL, "%s", s);
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/* Seems I can't call xdr_free() for this case.
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It will raises SEGV by referencing out of bounds call stack */
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free(val);
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--
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2.33.1
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@ -0,0 +1,33 @@
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From 010613cfd8dae6d85602a84c5c95b2d441e1b3d1 Mon Sep 17 00:00:00 2001
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From: Michal Privoznik <mprivozn@redhat.com>
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Date: Mon, 29 Nov 2021 10:20:05 +0100
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Subject: [PATCH 2/2] wireshark: Drop needless comment in dissect_xdr_bytes()
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In the dissect_xdr_bytes() there's a comment that the string
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allocated by xdr_bytes() can't be freed using xdr_free(). Well,
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that is expected because xdr_bytes() used plain calloc() AND the
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string is not an XDR struct but plain 'char *' type. Passing it
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to xdr_free() must result in weird things happening.
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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---
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tools/wireshark/src/packet-libvirt.c | 2 --
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1 file changed, 2 deletions(-)
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diff --git a/tools/wireshark/src/packet-libvirt.c b/tools/wireshark/src/packet-libvirt.c
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index cb922b8070..eeacbcdf0e 100644
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--- a/tools/wireshark/src/packet-libvirt.c
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+++ b/tools/wireshark/src/packet-libvirt.c
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@@ -195,8 +195,6 @@ dissect_xdr_bytes(tvbuff_t *tvb, proto_tree *tree, XDR *xdrs, int hf,
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const char *s = tvb_bytes_to_str(wmem_packet_scope(), tvb, start, len);
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proto_tree_add_bytes_format_value(tree, hf, tvb, start, len, NULL, "%s", s);
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- /* Seems I can't call xdr_free() for this case.
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- It will raises SEGV by referencing out of bounds call stack */
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free(val);
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return TRUE;
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} else {
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--
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2.33.1
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@ -0,0 +1,78 @@
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From 979d1ba3ae1332bda80cb6eca98e41dc4462a226 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
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Date: Tue, 31 Aug 2021 11:41:55 +0200
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Subject: [PATCH] tests: virstoragetest: remove tests without backing type
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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As of qemu commit:
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commit 497a30dbb065937d67f6c43af6dd78492e1d6f6d
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qemu-img: Require -F with -b backing image
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creating images with backing images requires specifying the format.
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Remove tests which do not pass the backing format on the command
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line.
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Signed-off-by: Ján Tomko <jtomko@redhat.com>
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Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
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---
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tests/virstoragetest.c | 33 ---------------------------------
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1 file changed, 33 deletions(-)
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diff --git a/tests/virstoragetest.c b/tests/virstoragetest.c
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index 1b211b60e6..b80818bc7b 100644
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--- a/tests/virstoragetest.c
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+++ b/tests/virstoragetest.c
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@@ -638,30 +638,6 @@ mymain(void)
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};
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TEST_CHAIN(abswrap, VIR_STORAGE_FILE_QCOW2, (&wrap, &qcow2, &raw), EXP_PASS);
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- /* Rewrite qcow2 and wrap file to omit backing file type */
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- virCommandFree(cmd);
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- cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
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- "-b", absraw, "qcow2", NULL);
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- if (virCommandRun(cmd, NULL) < 0)
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- ret = -1;
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-
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- virCommandFree(cmd);
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- cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
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- "-b", absqcow2, "wrap", NULL);
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- if (virCommandRun(cmd, NULL) < 0)
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- ret = -1;
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-
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- /* Qcow2 file with raw as absolute backing, backing format omitted */
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- testFileData wrap_as_raw = {
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- .expBackingStoreRaw = absqcow2,
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- .expCapacity = 1024,
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- .path = abswrap,
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- .type = VIR_STORAGE_TYPE_FILE,
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- .format = VIR_STORAGE_FILE_QCOW2,
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- };
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- TEST_CHAIN(abswrap, VIR_STORAGE_FILE_QCOW2,
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- (&wrap_as_raw, &qcow2_as_raw), EXP_FAIL);
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-
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/* Rewrite qcow2 to a missing backing file, with backing type */
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virCommandFree(cmd);
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cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
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@@ -674,15 +650,6 @@ mymain(void)
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/* Qcow2 file with missing backing file but specified type */
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TEST_CHAIN(absqcow2, VIR_STORAGE_FILE_QCOW2, (&qcow2), EXP_FAIL);
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- /* Rewrite qcow2 to a missing backing file, without backing type */
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- virCommandFree(cmd);
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- cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
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- "-b", datadir "/bogus", "qcow2", NULL);
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- if (virCommandRun(cmd, NULL) < 0)
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- ret = -1;
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-
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- /* Qcow2 file with missing backing file and no specified type */
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- TEST_CHAIN(absqcow2, VIR_STORAGE_FILE_QCOW2, (&qcow2), EXP_FAIL);
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/* Rewrite qcow2 to use an nbd: protocol as backend */
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virCommandFree(cmd);
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--
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2.33.1
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@ -206,7 +206,7 @@
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Summary: Library providing a simple virtualization API
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Name: libvirt
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Version: 7.6.0
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Release: 3%{?dist}
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Release: 4%{?dist}
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License: LGPLv2+
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URL: https://libvirt.org/
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@ -215,6 +215,9 @@ URL: https://libvirt.org/
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%endif
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Source: https://libvirt.org/sources/%{?mainturl}libvirt-%{version}.tar.xz
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Patch1: 0001-qemu-xen-add-missing-deps-on-virtlockd-virtlogd-sock.patch
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Patch2: 0002-wireshark-Switch-to-tvb_bytes_to_str.patch
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Patch3: 0003-wireshark-Drop-needless-comment-in-dissect_xdr_bytes.patch
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Patch4: 0004-tests-virstoragetest-remove-tests-without-backing-ty.patch
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Requires: libvirt-daemon = %{version}-%{release}
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Requires: libvirt-daemon-config-network = %{version}-%{release}
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@ -2066,6 +2069,9 @@ exit 0
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%changelog
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* Mon Dec 13 2021 Daniel P. Berrangé <berrange@redhat.com> - 7.6.0-4
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- Rebuild for changed wireshark soname (rhbz#2031316)
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* Wed Sep 8 2021 Daniel P. Berrangé <berrange@redhat.com> - 7.6.0-3
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- Fix bad post transaction script tag
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- Fix deps on virtlockd/virtlogd socket units (rhbz#2002279)
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