forked from rpms/libvirt
79 lines
3.1 KiB
Diff
79 lines
3.1 KiB
Diff
From 32d58910c9d5a775315a42a76666844927c4dad1 Mon Sep 17 00:00:00 2001
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Message-Id: <32d58910c9d5a775315a42a76666844927c4dad1@dist-git>
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From: Peter Krempa <pkrempa@redhat.com>
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Date: Wed, 19 Feb 2020 15:10:26 +0100
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Subject: [PATCH] virStorageSourceParseBackingJSONRaw: Parse 'offset' and
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'size' attributes
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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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If the parsed 'raw' format JSON string has 'offset' or 'size' attributes
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parse them as the format slice.
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https://bugzilla.redhat.com/show_bug.cgi?id=1791788
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Signed-off-by: Peter Krempa <pkrempa@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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(cherry picked from commit e8a819e87f806e6c6690614c40dbeab0bd2e800e)
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Message-Id: <88f7d393b22949a8d6afdae44f8215aa06e65329.1582120424.git.pkrempa@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/util/virstoragefile.c | 20 ++++++++++++++++++++
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tests/virstoragetest.c | 6 +++++-
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2 files changed, 25 insertions(+), 1 deletion(-)
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diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
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index 0be4168d6e..fcbc97d96a 100644
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--- a/src/util/virstoragefile.c
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+++ b/src/util/virstoragefile.c
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@@ -3551,8 +3551,28 @@ virStorageSourceParseBackingJSONRaw(virStorageSourcePtr src,
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const char *jsonstr,
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int opaque G_GNUC_UNUSED)
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{
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+ bool has_offset = virJSONValueObjectHasKey(json, "offset");
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+ bool has_size = virJSONValueObjectHasKey(json, "size");
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virJSONValuePtr file;
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+ if (has_offset || has_size) {
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+ src->sliceStorage = g_new0(virStorageSourceSlice, 1);
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+
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+ if (has_offset &&
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+ virJSONValueObjectGetNumberUlong(json, "offset", &src->sliceStorage->offset) < 0) {
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+ virReportError(VIR_ERR_INVALID_ARG, "%s",
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+ _("malformed 'offset' property of 'raw' driver"));
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+ return -1;
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+ }
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+
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+ if (has_size &&
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+ virJSONValueObjectGetNumberUlong(json, "size", &src->sliceStorage->size) < 0) {
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+ virReportError(VIR_ERR_INVALID_ARG, "%s",
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+ _("malformed 'size' property of 'raw' driver"));
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+ return -1;
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+ }
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+ }
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+
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/* 'raw' is a format driver so it can have protocol driver children */
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if (!(file = virJSONValueObjectGetObject(json, "file"))) {
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virReportError(VIR_ERR_INVALID_ARG,
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diff --git a/tests/virstoragetest.c b/tests/virstoragetest.c
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index 25d41f0de4..39040bf4cb 100644
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--- a/tests/virstoragetest.c
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+++ b/tests/virstoragetest.c
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@@ -1600,7 +1600,11 @@ mymain(void)
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"\"filename\": \"/tmp/testfle\""
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"}"
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"}",
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- "<source file='/tmp/testfle'/>\n", 0);
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+ "<source file='/tmp/testfle'>\n"
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+ " <slices>\n"
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+ " <slice type='storage' offset='10752' size='4063232'/>\n"
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+ " </slices>\n"
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+ "</source>\n", 0);
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#endif /* WITH_YAJL */
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--
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2.25.0
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