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Allow environment variables to be used for Name.

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When the Name starts with a $, the rest will be interpreted as the name of an
environment variable containing the real Name. When Name is $HOST, but this
environment variable does not exist, gethostname() will be used to set the
Name. In both cases, illegal characters will be converted to underscores.
This commit is contained in:
Guus Sliepen 2012-03-29 16:45:25 +01:00
parent 89f4574e0b
commit 535a55100b
5 changed files with 60 additions and 17 deletions
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doc/tinc.texi
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@ -993,6 +993,11 @@ This only has effect when Mode is set to "switch".
This is a symbolic name for this connection.
The name should consist only of alfanumeric and underscore characters (a-z, A-Z, 0-9 and _).
If Name starts with a $, then the contents of the environment variable that follows will be used.
In that case, invalid characters will be converted to underscores.
If Name is $HOST, but no such environment variable exist,
the hostname will be read using the gethostnname() system call.
@cindex PingInterval
@item PingInterval = <@var{seconds}> (60)
The number of seconds of inactivity that tinc will wait before sending a