[asterisk-users] voicemail.conf locking problem

[jezzzz .]

I'm wondering if anyone is having problems when
multiple users concurrently change their voicemail
passwords.

Consider the following scenario (based on
vm_change_password() in app_voicemail.c):

- user1 wishes to change his password so
voicemail.conf is opened and read into a buffer
- user1 changes his password
- user2 wishes to change his password so
voicemail.conf is opened and read into a buffer
- voicemail.conf is written with user1's modified
password
- voicemail.conf is rewritten with user2's modified
password but not including user1's modified password
because the voicemail.conf that was read by Asterisk
when user2 wanted to change his password was read
before the changed password of user1 got written back.

It seems by looking at the code that this is how it is
currently done. The file is not locked down once it is
opened. So my question, is the above scenario correct
or is there somewhere a lock which I missed out on?

Jez


 
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