Re: [PATCH] allow '#' as valid character for domain name

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ä 2010å11æ20æ 02:00, Laine Stump åé:
On 11/19/2010 05:29 AM, Osier Yang wrote:
* docs/schemas/domain.rng
---
docs/schemas/domain.rng | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/docs/schemas/domain.rng b/docs/schemas/domain.rng
index bbbc846..815134d 100644
--- a/docs/schemas/domain.rng
+++ b/docs/schemas/domain.rng
@@ -2003,7 +2003,7 @@
</define>
<define name="domainName">
<data type="string">
-<param name="pattern">[A-Za-z0-9_\.\+\-&amp;:/]+</param>
+<param name="pattern">[A-Za-z0-9_\.\+\-\\#&amp;:/]+</param>
</data>
</define>
<define name="diskSerial">

What's your motivation for this?

If domain.rng is used similarly to the other .rng files I'm more
familiar with, it's only actually examined during the tests run as part
of "make check", so it won't have any effect on actual operation. Is
this what you intended?

# rpm -qf /usr/bin/virt-xml-validate
libvirt-client-0.8.3-2.fc14.x86_64

# rpm -ql libvirt-client | grep 'domain.rng'
/usr/share/libvirt/schemas/domain.rng

# find . -type f -name "domain.rng"
./docs/schemas/domain.rng

# strings /usr/bin/virt-xml-validate | grep rng
SCHEMA="/usr/share/libvirt/schemas/${TYPE}.rng"

It's used by virt-xml-validate, I'm sure also could find more proofs
in Makefile and source code, but think it's no need.

"#" seems like a problematic character to put in a domain name - for
example it would need to be escaped or quoted if it was ever on a
commandline - what happens when that name gets passed to qemu, for
example? Or a user-written shell script that calls virsh? Also,
virt-manager doesn't allow it.

yes, virt-manager doesn't allow it indeed, and also it will also
need to be escaped in shell.

However, we allow "#" as domain name in virsh, actually we have
two bugs, one says "#" should not be allowed, the other says
it should be allowed, yeah, they are conflicts.

Though I prefer disallowing it, intended to send the patch so
that get more ideas from guys, and could have a consistent conclusion,
probly we should also have a common rule for domain name as
documentation, but diffrent driver accepts diffrent character set,
that's the problem.

Any idea?

Regards

- Osier

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