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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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13
doc/tinc.conf.5.in
View file

@ -394,6 +394,19 @@ while no routing table is managed.
.It Va Name Li = Ar name Bq required
This is the name which identifies this tinc daemon.
It must be unique for the virtual private network this daemon will connect to.
The Name may only consist of alphanumeric and underscore characters.
If
.Va Name
starts with a
.Li $ ,
then the contents of the environment variable that follows will be used.
In that case, invalid characters will be converted to underscores.
If
.Va Name
is
.Li $HOST ,
but no such environment variable exist, the hostname will be read using the gethostnname() system call.
.It Va PingInterval Li = Ar seconds Pq 60
The number of seconds of inactivity that

5
doc/tinc.texi
View file

@ -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