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From ba88fc4f04428c1064bc4eee85acbdf1a3123c4c Mon Sep 17 00:00:00 2001
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Message-Id: <ba88fc4f04428c1064bc4eee85acbdf1a3123c4c@dist-git>
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From: Peter Krempa <pkrempa@redhat.com>
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Date: Mon, 30 Mar 2020 17:21:40 +0200
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Subject: [PATCH] virStorageSourceNetCookieValidate: Accept quoted cookie value
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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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The quotes are forbidden only inside the value, but the value itself may
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be enclosed in quotes. Fix the RNG schema and validator and add a test
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case.
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https://bugzilla.redhat.com/show_bug.cgi?id=1804750
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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 b9166baebe70a4b3577ddb6b2ee6af0dd4f60759)
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Message-Id: <f8f910f4e61e0e9434591a02c5d2e50b3d78edc5.1585581552.git.pkrempa@redhat.com>
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Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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---
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docs/schemas/domaincommon.rng | 2 +-
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src/util/virstoragefile.c | 19 ++++++++++++++++++-
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.../disk-network-http.x86_64-latest.args | 4 ++--
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tests/qemuxml2argvdata/disk-network-http.xml | 4 ++--
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.../disk-network-http.x86_64-latest.xml | 4 ++--
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5 files changed, 25 insertions(+), 8 deletions(-)
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diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
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index 3a0edbed97..ac6f180382 100644
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--- a/docs/schemas/domaincommon.rng
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+++ b/docs/schemas/domaincommon.rng
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@@ -1846,7 +1846,7 @@
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</data>
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</attribute>
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<data type="string">
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- <param name="pattern">[!#$%&'()*+\-./0-9:>=<?@A-Z\^_`\[\]a-z|~]+</param>
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+ <param name="pattern">"?[!#$%&'()*+\-./0-9:>=<?@A-Z\^_`\[\]a-z|~]+"?</param>
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</data>
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</element>
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</oneOrMore>
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diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
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index 3eb32edc2a..f8d741f040 100644
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--- a/src/util/virstoragefile.c
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+++ b/src/util/virstoragefile.c
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@@ -2217,6 +2217,10 @@ static const char virStorageSourceCookieNameInvalidChars[] =
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static int
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virStorageSourceNetCookieValidate(virStorageNetCookieDefPtr def)
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{
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+ g_autofree char *val = g_strdup(def->value);
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+ const char *checkval = val;
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+ size_t len = strlen(val);
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+
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/* name must have at least 1 character */
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if (*(def->name) == '\0') {
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virReportError(VIR_ERR_XML_ERROR, "%s",
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@@ -2233,8 +2237,21 @@ virStorageSourceNetCookieValidate(virStorageNetCookieDefPtr def)
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return -1;
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}
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+ /* check for optional quotes around the cookie value string */
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+ if (val[0] == '"') {
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+ if (val[len - 1] != '"') {
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+ virReportError(VIR_ERR_XML_ERROR,
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+ _("value of cookie '%s' contains invalid characters"),
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+ def->name);
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+ return -1;
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+ }
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+
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+ val[len - 1] = '\0';
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+ checkval++;
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+ }
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+
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/* check invalid characters in value */
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- if (virStringHasChars(def->value, virStorageSourceCookieValueInvalidChars)) {
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+ if (virStringHasChars(checkval, virStorageSourceCookieValueInvalidChars)) {
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virReportError(VIR_ERR_XML_ERROR,
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_("value of cookie '%s' contains invalid characters"),
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def->name);
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diff --git a/tests/qemuxml2argvdata/disk-network-http.x86_64-latest.args b/tests/qemuxml2argvdata/disk-network-http.x86_64-latest.args
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index 2f2849ebdf..46aa5f23ce 100644
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--- a/tests/qemuxml2argvdata/disk-network-http.x86_64-latest.args
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+++ b/tests/qemuxml2argvdata/disk-network-http.x86_64-latest.args
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@@ -42,7 +42,7 @@ id=virtio-disk0,bootindex=1 \
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-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=libvirt-3-format,\
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id=virtio-disk1 \
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-object secret,id=libvirt-2-storage-httpcookie-secret0,\
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-data=DrPR9NA6GKJb7qi1KbjHad3f3UIGTTDmAmOZHHv1F5w5T8rhnk3f+uSKStHe0J2O,\
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+data=DrPR9NA6GKJb7qi1KbjHaealKEMVtOWUl2h3yvO5lgIh6cyLHemmlg+h9fcgwREA,\
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keyid=masterKey0,iv=AAECAwQFBgcICQoLDA0ODw==,format=base64 \
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-blockdev '{"driver":"http","url":"http://example.org:1234/test3.img",\
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"cookie-secret":"libvirt-2-storage-httpcookie-secret0",\
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@@ -52,7 +52,7 @@ keyid=masterKey0,iv=AAECAwQFBgcICQoLDA0ODw==,format=base64 \
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-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=libvirt-2-format,\
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id=virtio-disk2 \
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-object secret,id=libvirt-1-storage-httpcookie-secret0,\
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-data=DrPR9NA6GKJb7qi1KbjHad3f3UIGTTDmAmOZHHv1F5w5T8rhnk3f+uSKStHe0J2O,\
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+data=DrPR9NA6GKJb7qi1KbjHaealKEMVtOWUl2h3yvO5lgIh6cyLHemmlg+h9fcgwREA,\
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keyid=masterKey0,iv=AAECAwQFBgcICQoLDA0ODw==,format=base64 \
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-blockdev '{"driver":"https","url":"https://example.org:1234/test4.img",\
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"sslverify":false,"cookie-secret":"libvirt-1-storage-httpcookie-secret0",\
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diff --git a/tests/qemuxml2argvdata/disk-network-http.xml b/tests/qemuxml2argvdata/disk-network-http.xml
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index 20024c732e..93e6617433 100644
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--- a/tests/qemuxml2argvdata/disk-network-http.xml
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+++ b/tests/qemuxml2argvdata/disk-network-http.xml
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@@ -35,7 +35,7 @@
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<host name='example.org' port='1234'/>
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<cookies>
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<cookie name='test'>testcookievalue</cookie>
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- <cookie name='test2'>blurb</cookie>
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+ <cookie name='test2'>"blurb"</cookie>
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</cookies>
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</source>
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<target dev='vdc' bus='virtio'/>
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@@ -47,7 +47,7 @@
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<ssl verify='no'/>
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<cookies>
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<cookie name='test'>testcookievalue</cookie>
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- <cookie name='test2'>blurb</cookie>
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+ <cookie name='test2'>"blurb"</cookie>
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</cookies>
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</source>
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<target dev='vdd' bus='virtio'/>
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diff --git a/tests/qemuxml2xmloutdata/disk-network-http.x86_64-latest.xml b/tests/qemuxml2xmloutdata/disk-network-http.x86_64-latest.xml
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index 238a5fef58..60073c227c 100644
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--- a/tests/qemuxml2xmloutdata/disk-network-http.x86_64-latest.xml
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+++ b/tests/qemuxml2xmloutdata/disk-network-http.x86_64-latest.xml
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@@ -38,7 +38,7 @@
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<host name='example.org' port='1234'/>
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<cookies>
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<cookie name='test'>testcookievalue</cookie>
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- <cookie name='test2'>blurb</cookie>
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+ <cookie name='test2'>"blurb"</cookie>
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</cookies>
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</source>
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<target dev='vdc' bus='virtio'/>
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@@ -51,7 +51,7 @@
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<ssl verify='no'/>
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<cookies>
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<cookie name='test'>testcookievalue</cookie>
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- <cookie name='test2'>blurb</cookie>
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+ <cookie name='test2'>"blurb"</cookie>
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</cookies>
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</source>
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<target dev='vdd' bus='virtio'/>
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--
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2.26.0
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