Add set and reset options to control environment variables for scripts.

[ppp.git] / pppd / pppd.8

diff --git a/pppd/pppd.8 b/pppd/pppd.8
index b7adc77f28178d87cb45df17c5e767c19e9cf97a..7ad24c51f3a42678697ec8a66723bd6a29e49e92 100644 (file)
--- a/pppd/pppd.8
+++ b/pppd/pppd.8
@@ -1018,6 +1018,13 @@ Authentication Protocol] authentication.
 Require the peer to authenticate itself using PAP [Password
 Authentication Protocol] authentication.
 .TP
 Require the peer to authenticate itself using PAP [Password
 Authentication Protocol] authentication.
 .TP

+.B set \fIname\fR=\fIvalue
+Set an environment variable for scripts that are invoked by pppd.
+When set by a privileged source, the variable specified by \fIname\fR
+cannot be changed by options contained in an unprivileged source.  See
+also the \fIunset\fR option and the environment described in
+\fISCRIPTS\fR.
+.TP

 .B show\-password
 When logging the contents of PAP packets, this option causes pppd to
 show the password string in the log message.
 .B show\-password
 When logging the contents of PAP packets, this option causes pppd to
 show the password string in the log message.


@@ -1058,6 +1065,13 @@ under Linux and FreeBSD 2.2.8 and later.
 Sets the ppp unit number (for a ppp0 or ppp1 etc interface name) for outbound
 connections.
 .TP
 Sets the ppp unit number (for a ppp0 or ppp1 etc interface name) for outbound
 connections.
 .TP

+.B unset \fIname
+Remove a variable from the environment variable for scripts that are
+invoked by pppd.  When specified by a privileged source, the variable
+\fIname\fR cannot be set by options contained in an unprivileged
+source.  See also the \fIset\fR option and the environment described
+in \fISCRIPTS\fR.
+.TP

 .B updetach
 With this option, pppd will detach from its controlling terminal once
 it has successfully established the ppp connection (to the point where
 .B updetach
 With this option, pppd will detach from its controlling terminal once
 it has successfully established the ppp connection (to the point where