From bbbd3d6cd89cc797fab9245decca62e05eb994b7 Mon Sep 17 00:00:00 2001 From: tv Date: Fri, 5 Feb 2021 17:43:24 +0100 Subject: krebs.setuid: disambiguate `config` --- krebs/3modules/setuid.nix | 22 ++++++++++------------ 1 file changed, 10 insertions(+), 12 deletions(-) diff --git a/krebs/3modules/setuid.nix b/krebs/3modules/setuid.nix index 97cf21cdd..3e068736b 100644 --- a/krebs/3modules/setuid.nix +++ b/krebs/3modules/setuid.nix @@ -1,11 +1,9 @@ -{ config, pkgs, lib, ... }: with import ; -let - cfg = config.krebs.setuid; +{ config, pkgs, ... }: let out = { options.krebs.setuid = api; - config = mkIf (cfg != {}) imp; + config = mkIf (config.krebs.setuid != {}) imp; }; api = mkOption { @@ -14,11 +12,11 @@ let # TODO make wrapperDir configurable inherit (config.security) wrapperDir; inherit (config.users) groups users; - in types.attrsOf (types.submodule ({ config, ... }: { + in types.attrsOf (types.submodule (self: let cfg = self.config; in { options = { name = mkOption { type = types.filename; - default = config._module.args.name; + default = cfg._module.args.name; }; envp = mkOption { type = types.nullOr (types.attrsOf types.str); @@ -58,21 +56,21 @@ let }; }; config.activate = let - src = pkgs.exec config.name { - inherit (config) envp filename; + src = pkgs.exec cfg.name { + inherit (cfg) envp filename; }; - dst = "${wrapperDir}/${config.name}"; + dst = "${wrapperDir}/${cfg.name}"; in '' cp ${src} ${dst} - chown ${config.owner}.${config.group} ${dst} - chmod ${config.mode} ${dst} + chown ${cfg.owner}.${cfg.group} ${dst} + chmod ${cfg.mode} ${dst} ''; })); }; imp = { system.activationScripts."krebs.setuid" = stringAfter [ "wrappers" ] - (concatMapStringsSep "\n" (getAttr "activate") (attrValues cfg)); + (concatMapStringsSep "\n" (getAttr "activate") (attrValues config.krebs.setuid)); }; in out -- cgit v1.2.3 From 315dcf3cbff0980495c0899a38ecdf538651dabc Mon Sep 17 00:00:00 2001 From: tv Date: Fri, 5 Feb 2021 17:48:54 +0100 Subject: krebs.setuid: make wrapperDir configurable --- krebs/3modules/setuid.nix | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/krebs/3modules/setuid.nix b/krebs/3modules/setuid.nix index 3e068736b..64fedb911 100644 --- a/krebs/3modules/setuid.nix +++ b/krebs/3modules/setuid.nix @@ -9,8 +9,6 @@ with import ; api = mkOption { default = {}; type = let - # TODO make wrapperDir configurable - inherit (config.security) wrapperDir; inherit (config.users) groups users; in types.attrsOf (types.submodule (self: let cfg = self.config; in { options = { @@ -49,6 +47,10 @@ with import ; merge = mergeOneOption; }; }; + wrapperDir = mkOption { + default = config.security.wrapperDir; + type = types.absolute-pathname; + }; activate = mkOption { type = types.str; visible = false; @@ -59,8 +61,9 @@ with import ; src = pkgs.exec cfg.name { inherit (cfg) envp filename; }; - dst = "${wrapperDir}/${cfg.name}"; + dst = "${cfg.wrapperDir}/${cfg.name}"; in '' + mkdir -p ${cfg.wrapperDir} cp ${src} ${dst} chown ${cfg.owner}.${cfg.group} ${dst} chmod ${cfg.mode} ${dst} -- cgit v1.2.3 From 1ff4a60b8d241230c580fc5e9a705335c9c415a6 Mon Sep 17 00:00:00 2001 From: tv Date: Fri, 5 Feb 2021 19:52:07 +0100 Subject: krebs.shadow: admit password changes --- krebs/3modules/shadow.nix | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/krebs/3modules/shadow.nix b/krebs/3modules/shadow.nix index cff66492d..9505efb0c 100644 --- a/krebs/3modules/shadow.nix +++ b/krebs/3modules/shadow.nix @@ -4,19 +4,21 @@ with import ; cfg = config.krebs.shadow; mergeShadowsJq = pkgs.writeJq "merge-shadows.jq" '' - def fields_3_to_9: ["1", "", "", "", "", "", ""]; + def is_int: . == (. | floor); + def fields_4_to_9: ["", "", "", "", "", ""]; + def check_fields_3_to_9: (.[2] | tonumber | is_int) and .[3:] == fields_4_to_9; def read_value: split(":") | if length == 9 then - if .[2:] == fields_3_to_9 then + if check_fields_3_to_9 then . else error("unrecognized field contents") end elif length == 2 then if .[1] | test("^\\$6\\$") then - . + fields_3_to_9 + . + ["1"] + fields_4_to_9 else error("unrecognized hashed password") end -- cgit v1.2.3 From a94d2ce6c7e83ecb0337affd91200c4774ba7920 Mon Sep 17 00:00:00 2001 From: tv Date: Sun, 7 Feb 2021 21:52:37 +0100 Subject: tv xdpytools: init --- tv/5pkgs/simple/xdpytools/default.nix | 31 +++++++++++++++++++++ tv/5pkgs/simple/xdpytools/src/xdpychvt | 11 ++++++++ tv/5pkgs/simple/xdpytools/src/xdpysel | 49 ++++++++++++++++++++++++++++++++++ 3 files changed, 91 insertions(+) create mode 100644 tv/5pkgs/simple/xdpytools/default.nix create mode 100755 tv/5pkgs/simple/xdpytools/src/xdpychvt create mode 100755 tv/5pkgs/simple/xdpytools/src/xdpysel diff --git a/tv/5pkgs/simple/xdpytools/default.nix b/tv/5pkgs/simple/xdpytools/default.nix new file mode 100644 index 000000000..7d1ee071e --- /dev/null +++ b/tv/5pkgs/simple/xdpytools/default.nix @@ -0,0 +1,31 @@ +{ lib, pkgs }: + +let + install = name: { path }: /* sh */ '' + ( + mkdir -p $out/bin + touch $out/bin/${name} + chmod +x $out/bin/${name} + exec >$out/bin/${name} + + echo '#! ${pkgs.dash}/bin/dash' + echo export PATH=${lib.makeBinPath path} + sed 1d ${./src + "/${name}"} + ) + ''; +in + +pkgs.runCommand "xdpytools" {} + (toString + (lib.mapAttrsToList install { + xdpychvt.path = [ + "$out" + "/run/wrappers/'$LOGNAME'" + "/run/wrappers" + ]; + xdpysel.path = [ + "$out" + pkgs.findutils + pkgs.jq + ]; + })) diff --git a/tv/5pkgs/simple/xdpytools/src/xdpychvt b/tv/5pkgs/simple/xdpytools/src/xdpychvt new file mode 100755 index 000000000..84c1907b9 --- /dev/null +++ b/tv/5pkgs/simple/xdpytools/src/xdpychvt @@ -0,0 +1,11 @@ +#! /bin/sh +# usage: xdpychvt {prev,next} +# Changes to the VT based on the selected X display. +# +# This allows switching between X servers when display names and VT numbers +# correlate. A more sophisticated tool would try to determine the correct VT +# by e.g. looking at /proc, but this might not possible when e.g. using +# security.hideProcessInformation. +# + +chvt "$(xdpysel "$1")" diff --git a/tv/5pkgs/simple/xdpytools/src/xdpysel b/tv/5pkgs/simple/xdpytools/src/xdpysel new file mode 100755 index 000000000..e08015576 --- /dev/null +++ b/tv/5pkgs/simple/xdpytools/src/xdpysel @@ -0,0 +1,49 @@ +#! /bin/sh +# usage: xdpysel {prev,next} +# Print the number of the selected X display. + +find /tmp/.X11-unix -mindepth 1 -maxdepth 1 | +jq -Rrs --arg command "$1" ' + ( + split("\n") | + map( + select(.!="") | + match("^.*/X([0-9]+)$").captures[0].string | + tonumber + ) + ) + as $all_displays | + + ( + env.DISPLAY | + match("^:([0-9]+)(?:[.][0-9]+)?$").captures[0].string | + tonumber + ) + as $current_display | + + ($all_displays | length) as $all_displays_count | + + ($all_displays|index($current_display)) + as $current_index | + + (($current_index + 1) % $all_displays_count) + as $next_index | + + (($all_displays_count + $current_index - 1) % $all_displays_count) + as $prev_index | + + $all_displays[$prev_index] as $prev_display | + $all_displays[$next_index] as $next_display | + + { + prev: $prev_display, + next: $next_display, + }[$command] + as $result | + + if $result | type == "number" then + $result + else + "xdpysel: bad argument: \($command)\n" | halt_error(-1) + end +' -- cgit v1.2.3 From bda725bbfc4a4e1ecf8a8fd8d3dbff69b5cf4d60 Mon Sep 17 00:00:00 2001 From: tv Date: Sun, 7 Feb 2021 22:28:50 +0100 Subject: tv xmonad: integrate xdpychvt --- tv/5pkgs/haskell/xmonad-tv/src/Paths.hs | 3 +++ tv/5pkgs/haskell/xmonad-tv/src/main.hs | 3 +++ 2 files changed, 6 insertions(+) diff --git a/tv/5pkgs/haskell/xmonad-tv/src/Paths.hs b/tv/5pkgs/haskell/xmonad-tv/src/Paths.hs index 6b7235530..b2ad01ae7 100644 --- a/tv/5pkgs/haskell/xmonad-tv/src/Paths.hs +++ b/tv/5pkgs/haskell/xmonad-tv/src/Paths.hs @@ -29,3 +29,6 @@ urxvtc = findExecutable "urxvtc" xcalib :: FilePath xcalib = findExecutable "xcalib" + +xdpychvt :: FilePath +xdpychvt = findExecutable "xdpychvt" diff --git a/tv/5pkgs/haskell/xmonad-tv/src/main.hs b/tv/5pkgs/haskell/xmonad-tv/src/main.hs index 50b03d81c..e5a4473fe 100644 --- a/tv/5pkgs/haskell/xmonad-tv/src/main.hs +++ b/tv/5pkgs/haskell/xmonad-tv/src/main.hs @@ -190,6 +190,9 @@ myKeys conf = Map.fromList $ , ((_4, xK_Prior), forkFile Paths.xcalib ["-invert", "-alter"] Nothing) , ((0, xK_Print), forkFile Paths.flameshot [] Nothing) + + , ((_C, xF86XK_Forward), forkFile Paths.xdpychvt ["next"] Nothing) + , ((_C, xF86XK_Back), forkFile Paths.xdpychvt ["prev"] Nothing) ] where _4 = mod4Mask -- cgit v1.2.3