1 .\" $OpenBSD: doas.conf.5,v 1.13 2015/07/27 21:44:11 tedu Exp $
3 .\"Copyright (c) 2015 Ted Unangst <tedu@openbsd.org>
5 .\"Permission to use, copy, modify, and distribute this software for any
6 .\"purpose with or without fee is hereby granted, provided that the above
7 .\"copyright notice and this permission notice appear in all copies.
9 .\"THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 .\"WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 .\"MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 .\"ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 .\"WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 .\"ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 .\"OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 .Dd $Mdocdate: July 27 2015 $
21 .Nd doas configuration file
25 utility executes commands as other users according to the rules
30 The rules have the following format:
31 .Bd -ragged -offset indent
32 .Ic permit Ns | Ns Ic deny
36 .Op Ic cmd Ar command Op Ic args No ...
39 Rules consist of the following parts:
41 .It Ic permit Ns | Ns Ic deny
42 The action to be taken if this rule matches.
45 .Bl -tag -width keepenv
47 The user is not required to enter a password.
49 After the user successfully authenticates, do not ask for a password
52 Environment variables other than those listed in
54 are retained when creating the environment for the new process.
55 .It Ic setenv { Oo Ar variable ... Oc Oo Ar variable=value ... Oc Ic }
56 Keep or set the space-separated specified variables.
57 Variables may also be removed with a leading
59 or set using the latter syntax.
60 If the first character of
64 then the value to be set is taken from the existing environment
65 variable of the indicated name.
66 This option is processed after the default environment has been created.
69 The username to match.
70 Groups may be specified by prepending a colon
72 Numeric IDs are also accepted.
74 The target user the running user is allowed to run the command as.
75 The default is all users.
77 The command the user is allowed or denied to run.
78 The default is all commands.
79 Be advised that it is best to specify absolute paths.
80 If a relative path is specified, only a restricted
83 .It Ic args Op Ar argument ...
85 The command arguments provided by the user need to match those specified.
88 alone means that command must be run without any arguments.
91 The last matching rule determines the action taken.
92 If no rule matches, the action is denied.
94 Comments can be put anywhere in the file using a hash mark
96 and extend to the end of the current line.
98 The following quoting rules apply:
101 The text between a pair of double quotes
105 The backslash character
107 escapes the next character, including new line characters, outside comments;
108 as a result, comments may not be extended over multiple lines.
110 If quotes or backslashes are used in a word,
111 it isn't considered a keyword.
114 .Bl -tag -width /etc/examples/doas.conf -compact
115 .It Pa /etc/doas.conf
118 .It Pa /etc/examples/doas.conf
119 Example configuration file.
122 The following example permits user aja to install packages
123 from a preferred mirror;
124 group wheel to execute commands as any user while keeping the environment
132 permits tedu to run procmap as root without a password;
133 and additionally permits root to run unrestricted commands as itself
134 while retaining the original PATH.
135 .Bd -literal -offset indent
136 permit persist setenv { PKG_CACHE PKG_PATH } aja cmd pkg_add
137 permit setenv { -ENV PS1=$DOAS_PS1 SSH_AUTH_SOCK } :wheel
138 permit nopass tedu as root cmd /usr/sbin/procmap
139 permit nopass keepenv setenv { PATH } root as root
146 configuration file first appeared in
149 .An Ted Unangst Aq Mt tedu@openbsd.org