[Asterisk-Dev] PATCH - voicemail contexts and vmail.cgi uid fixes

[Olle E. Johansson]

http://bugs.digium.com/bug_view_page.php?bug_id=0000940

A patch that updates the vmail.cgi and makes it un-necessary to install it with
SUID root.

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The changes to use context in vmail.cgi were incomplete.
The attached patch fixes this:
- app_voicemail create all files and directories as group writable
- vmail.cgi ignores the [zonemessages] section
- uses context to qualify extensions
- create files and directories as group writable
- Makefile creates vm directories group writable and owned by www-data
- no longer install vmail.cgi suid root.

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Please test and confirm your results on the bug tracker!

/Olle