Add back the call to yyparse() that was accidentally dropped in the previous commit...

[opendoas.git] / doas.conf.5

diff --git a/doas.conf.5 b/doas.conf.5
index 515598bc58317f9588109d99cef70fd2176d16a7..cfe1cf3ad2eddd66ea174c1c0b4bf3346ae53e14 100644 (file)
--- a/doas.conf.5
+++ b/doas.conf.5
@@ -1,4 +1,4 @@
-.\" $OpenBSD: doas.conf.5,v 1.12 2015/07/27 17:57:06 jmc Exp $
+.\" $OpenBSD: doas.conf.5,v 1.13 2015/07/27 21:44:11 tedu Exp $
 .\"
 .\"Copyright (c) 2015 Ted Unangst <tedu@openbsd.org>
 .\"
@@ -45,6 +45,9 @@ Options are:
 .Bl -tag -width keepenv
 .It Ic nopass
 The user is not required to enter a password.
+.It Ic persist
+After the user successfully authenticates, do not ask for a password
+again for some time.
 .It Ic keepenv
 The user's environment is maintained.
 The default is to reset the environment, except for the variables
@@ -57,9 +60,18 @@ The default is to reset the environment, except for the variables
 .Ev USER
 and
 .Ev USERNAME .
-.It Ic keepenv { Oo Ar variable ... Oc Ic }
+.It Ic setenv { Oo Ar variable ... Oc Oo Ar variable=value ... Oc Ic }
 In addition to the variables mentioned above, keep the space-separated
 specified variables.
+Variables may also be removed with a leading
+.Sq -
+or set using the latter syntax.
+If the first character of
+.Ar value
+is a
+.Ql $
+then the value to be set is taken from the existing environment
+variable of the same name.
 .El
 .It Ar identity
 The username to match.
@@ -72,17 +84,20 @@ The default is all users.
 .It Ic cmd Ar command
 The command the user is allowed or denied to run.
 The default is all commands.
-Be advised that it's best to specify absolute paths.
+Be advised that it is best to specify absolute paths.
+If a relative path is specified, only a restricted
+.Ev PATH
+will be searched.
 .It Ic args ...
 Arguments to command.
-If specified, the command arguments provided by the user
-need to match for the command to be successful.
-Specifying
+The command arguments provided by the user need to match those specified.
+The keyword
 .Ic args
-alone means that command should be run without any arguments.
+alone means that command must be run without any arguments.
 .El
 .Pp
 The last matching rule determines the action taken.
+If no rule matches, the action is denied.
 .Pp
 Comments can be put anywhere in the file using a hash mark
 .Pq Sq # ,
@@ -104,25 +119,28 @@ If quotes or backslashes are used in a word,
 it isn't considered a keyword.
 .El
 .Sh EXAMPLES
-The following example permits users in group wsrc to build ports,
-wheel to execute commands as root while keeping the environment
+The following example permits users in group wsrc to build ports;
+wheel to execute commands as any user while keeping the environment
 variables
-.Ev ENV ,
-.Ev PS1 ,
+.Ev PS1
 and
-.Ev SSH_AUTH_SOCK ,
-and additionally permits tedu to run procmap as root without a password.
+.Ev SSH_AUTH_SOCK
+and
+unsetting
+.Ev ENV ;
+permits tedu to run procmap as root without a password;
+and additionally permits root to run unrestricted commands as itself.
 .Bd -literal -offset indent
 # Non-exhaustive list of variables needed to
 # build release(8) and ports(7)
-permit nopass keepenv { \e
+permit nopass setenv { \e
         FTPMODE PKG_CACHE PKG_PATH SM_PATH SSH_AUTH_SOCK \e
         DESTDIR DISTDIR FETCH_CMD FLAVOR GROUP MAKE MAKECONF \e
         MULTI_PACKAGES NOMAN OKAY_FILES OWNER PKG_DBDIR \e
         PKG_DESTDIR PKG_TMPDIR PORTSDIR RELEASEDIR SHARED_ONLY \e
         SUBPACKAGE WRKOBJDIR SUDO_PORT_V1 } :wsrc
-permit nopass keepenv { ENV PS1 SSH_AUTH_SOCK } :wheel
-permit nopass tedu cmd /usr/sbin/procmap
+permit setenv { -ENV PS1=$DOAS_PS1 SSH_AUTH_SOCK } :wheel
+permit nopass tedu as root cmd /usr/sbin/procmap
 .Ed
 .Sh SEE ALSO
 .Xr doas 1