From 32d58910c9d5a775315a42a76666844927c4dad1 Mon Sep 17 00:00:00 2001 Message-Id: <32d58910c9d5a775315a42a76666844927c4dad1@dist-git> From: Peter Krempa Date: Wed, 19 Feb 2020 15:10:26 +0100 Subject: [PATCH] virStorageSourceParseBackingJSONRaw: Parse 'offset' and 'size' attributes MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit If the parsed 'raw' format JSON string has 'offset' or 'size' attributes parse them as the format slice. https://bugzilla.redhat.com/show_bug.cgi?id=1791788 Signed-off-by: Peter Krempa Reviewed-by: Ján Tomko (cherry picked from commit e8a819e87f806e6c6690614c40dbeab0bd2e800e) Message-Id: <88f7d393b22949a8d6afdae44f8215aa06e65329.1582120424.git.pkrempa@redhat.com> Reviewed-by: Ján Tomko --- src/util/virstoragefile.c | 20 ++++++++++++++++++++ tests/virstoragetest.c | 6 +++++- 2 files changed, 25 insertions(+), 1 deletion(-) diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c index 0be4168d6e..fcbc97d96a 100644 --- a/src/util/virstoragefile.c +++ b/src/util/virstoragefile.c @@ -3551,8 +3551,28 @@ virStorageSourceParseBackingJSONRaw(virStorageSourcePtr src, const char *jsonstr, int opaque G_GNUC_UNUSED) { + bool has_offset = virJSONValueObjectHasKey(json, "offset"); + bool has_size = virJSONValueObjectHasKey(json, "size"); virJSONValuePtr file; + if (has_offset || has_size) { + src->sliceStorage = g_new0(virStorageSourceSlice, 1); + + if (has_offset && + virJSONValueObjectGetNumberUlong(json, "offset", &src->sliceStorage->offset) < 0) { + virReportError(VIR_ERR_INVALID_ARG, "%s", + _("malformed 'offset' property of 'raw' driver")); + return -1; + } + + if (has_size && + virJSONValueObjectGetNumberUlong(json, "size", &src->sliceStorage->size) < 0) { + virReportError(VIR_ERR_INVALID_ARG, "%s", + _("malformed 'size' property of 'raw' driver")); + return -1; + } + } + /* 'raw' is a format driver so it can have protocol driver children */ if (!(file = virJSONValueObjectGetObject(json, "file"))) { virReportError(VIR_ERR_INVALID_ARG, diff --git a/tests/virstoragetest.c b/tests/virstoragetest.c index 25d41f0de4..39040bf4cb 100644 --- a/tests/virstoragetest.c +++ b/tests/virstoragetest.c @@ -1600,7 +1600,11 @@ mymain(void) "\"filename\": \"/tmp/testfle\"" "}" "}", - "\n", 0); + "\n" + " \n" + " \n" + " \n" + "\n", 0); #endif /* WITH_YAJL */ -- 2.25.0