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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014 Andreas Enge <andreas@enge.fr>
;;; Copyright © 2015 Andy Wingo <wingo@igalia.com>
;;; Copyright © 2015, 2021-2022 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2016, 2022 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2017 Huang Ying <huang.ying.caritas@gmail.com>
;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2021 Morgan Smith <Morgan.J.Smith@outlook.com>
;;; Copyright © 2022 Jean-Pierre De Jesus DIAZ <me@jeandudey.tech>
;;; Copyright © 2022 Marius Bakke <marius@gnu.org>
;;; Copyright © 2021, 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages polkit)
  #:use-module (guix download)
  #:use-module (guix gexp)
  #:use-module (guix memoization)
  #:use-module ((guix licenses) #:select (lgpl2.0+))
  #:use-module (guix packages)
  #:use-module (guix utils)
  #:use-module (guix build utils)
  #:use-module (guix build-system cmake)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system meson)
  #:use-module (gnu packages)
  #:use-module (gnu packages gettext)
  #:use-module (gnu packages docker)
  #:use-module (gnu packages freedesktop)
  #:use-module (gnu packages glib)
  #:use-module (gnu packages gtk)
  #:use-module (gnu packages docbook)
  #:use-module (gnu packages javascript)
  #:use-module (gnu packages linux)
  #:use-module (gnu packages nss)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages python)
  #:use-module (gnu packages python-xyz)
  #:use-module (gnu packages qt)
  #:use-module (gnu packages xml))

(define-public polkit
  (package
    (name "polkit")
    (version "121")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "https://www.freedesktop.org/software/polkit/releases/"
                    name "-" version ".tar.gz"))
              (patches (search-patches "polkit-disable-systemd.patch"))
              (sha256
               (base32
                "1apz3bh7nbpmlp1cr00pb8z8wp0c7yb23ninb959jz3r38saxiwx"))
              (modules '((guix build utils)))
              (snippet
               '(begin
                  ;; This is so that the default example rules files can be
                  ;; installed along the package; otherwise it would fail
                  ;; attempting to write to /etc.  Unlike with GNU Autotools,
                  ;; Meson can't override the pkgsysconfdir value at install
                  ;; time; instead, we rewrite the pkgsysconfdir references
                  ;; in the build system to point to #$output/etc.
                  ;; Look up actions and rules from /etc/polkit ...
                  (substitute* "src/polkitbackend/meson.build"
                    (("'-DPACKAGE_SYSCONF_DIR=.*,")
                     "'-DPACKAGE_SYSCONF_DIR=\"/etc\"',"))
                  (substitute* "src/polkitbackend/polkitbackendinteractiveauthority.c"
                    (("PACKAGE_DATA_DIR \"/polkit-1/actions\"")
                     "PACKAGE_SYSCONF_DIR \"/polkit-1/actions\""))
                  ;; ... but install package files below the prefix.
                  (substitute* "meson.build"
                    (("pk_sysconfdir = get_option\\('sysconfdir'\\)")
                     "pk_sysconfdir = get_option('prefix') + '/etc'"))
                  ;; Set the setuid helper's real location.
                  (substitute* "src/polkitagent/polkitagentsession.c"
                    (("PACKAGE_PREFIX \"/lib/polkit-1/polkit-agent-helper-1\"")
                     "\"/run/setuid-programs/polkit-agent-helper-1\""))))))
    (build-system meson-build-system)
    (arguments
     (list
      #:modules '((guix build meson-build-system)
                  (guix build utils)
                  (ice-9 match))
      #:configure-flags
      #~(list "--sysconfdir=/etc"
              "-Dsession_tracking=libelogind"
              "-Dman=true"
              "-Dtests=true"
              ;; Work around cross-compilation failure.  The build system
              ;; probes for the _target_ gobject-introspection, but if we
              ;; change it to native, Meson fails with:
              ;;   ERROR: Pkg-config binary for machine
              ;;   MachineChoice.BUILD not found, giving up.
              ;; Just disable introspection for now.
              #$@(if (%current-target-system)
                     '("-Dintrospection=false")
                     '()))
      #:phases
      #~(modify-phases %standard-phases
          (add-before 'check 'patch-bash
            (lambda _
              (substitute* (list "subprojects/mocklibc-1.0/bin/mocklibc"
                                 (string-append "../polkit-v." #$version
                                                "/test/data/etc/passwd")
                                 (string-append "../polkit-v." #$version
                                                "/test/data/etc/polkit-1"
                                                "/rules.d/10-testing.rules"))
                (("/bin/(bash|false|true)" _ command)
                 (which command)))))
          (replace 'check
            (lambda* (#:key tests? test-options #:allow-other-keys)
              (when tests?
                (match (primitive-fork)
                  (0                    ;child process
                   (apply execlp "meson" "meson"
                          "test" "-t" "0" "--print-errorlogs"
                          test-options))
                  (meson-pid
                   ;; Reap child processes; otherwise, python-dbusmock would
                   ;; waste time polling for the dbus processes it spawns to
                   ;; be reaped, in vain.
                   (let loop ()
                     (match (waitpid WAIT_ANY)
                       ((pid . status)
                        (if (= pid meson-pid)
                            (unless (zero? status)
                              (error "`meson test' exited with status"
                                     status))
                            (loop)))))))))))))
    (inputs
     (list duktape expat elogind linux-pam nspr))
    (propagated-inputs
     (list glib))                       ;required by polkit-gobject-1.pc
    (native-inputs
     (list gettext-minimal
           `(,glib "bin")               ;for glib-mkenums
           docbook-xsl                  ;for man page generation
           gobject-introspection
           libxslt                      ;for man page generation
           perl
           pkg-config
           python
           python-dbusmock-minimal))
    (home-page "https://www.freedesktop.org/wiki/Software/polkit/")
    (synopsis "Authorization API for privilege management")
    (description "Polkit is an application-level toolkit for defining and
handling the policy that allows unprivileged processes to speak to
privileged processes.  It is a framework for centralizing the decision
making process with respect to granting access to privileged operations
for unprivileged applications.")
    (license lgpl2.0+)))

(define-public polkit-qt
  (package
    (name "polkit-qt")
    (version "0.200.0")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "mirror://kde/stable/polkit-qt-1/"
                    name "-1-" version ".tar.xz"))
              (sha256
               (base32
                "1yvp2s72fgpn5kf1a2ldy0givlmz0z4i1fsh6ylpcard0qf62fsx"))))
    (build-system cmake-build-system)
    (inputs
     (list qtbase-5 polkit))
    (native-inputs
     (list pkg-config))
    (arguments
     (list #:configure-flags
           #~(list (string-append
                    "-DQT_MAJOR_VERSION="
                    #$(version-major
                       (package-version (this-package-input "qtbase")))))
           #:tests? #f)) ; there is a test subdirectory, but no test target
    (home-page "https://api.kde.org/kdesupport-api/polkit-qt-1-apidocs/")
    (properties `((upstream-name . "polkit-qt-1")))
    (synopsis "Qt frontend to the polkit library")
    (description "Polkit-qt is a library that lets developers use the
PolicyKit API through a Qt-styled API.  It is mainly a wrapper around
QAction and QAbstractButton that lets you integrate those two component
easily with PolicyKit.")
    (license lgpl2.0+)))

(define-public polkit-qt6
  (package
    (inherit polkit-qt)
    (name "polkit-qt6")
    (inputs (modify-inputs (package-inputs polkit-qt)
              (replace "qtbase" qtbase)))))

(define-public polkit-gnome
  (package
    (name "polkit-gnome")
    (version "0.105")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://gnome/sources/"
                                  name "/" version "/"
                                  name "-" version ".tar.xz"))
              (sha256
               (base32
                "0sckmcbxyj6sbrnfc5p5lnw27ccghsid6v6wxq09mgxqcd4lk10p"))))
    (build-system gnu-build-system)
    (inputs (list gtk+ polkit))
    (native-inputs (list intltool pkg-config))
    (synopsis "Legacy polkit authentication agent for GNOME")
    (description "PolicyKit-gnome provides a D-Bus session bus service
that is used to bring up authentication dialogs used for obtaining
privileges.")
    (home-page "https://www.freedesktop.org/wiki/Software/polkit/")
    (license lgpl2.0+)))
tore::querySubstitutablePaths): Spawn substituter agent if needed. Adjust to 'Agent' interface. (LocalStore::querySubstitutablePathInfos): Likewise. * nix/libstore/build.cc (SubstitutionGoal::tryToRun): Remove call to 'setSubstituterEnv' and add 'setenv' call for "_NIX_OPTIONS" instead. (SubstitutionGoal::finished): Remove 'readLine' call for 'dummy'. * guix/scripts/substitute.scm (%allow-unauthenticated-substitutes?): Remove second argument to 'make-parameter'. (process-query): Call 'warn-about-missing-authentication' when (%allow-unauthenticated-substitutes?) is #t. (guix-substitute): Wrap body in 'parameterize'. Set 'guix-warning-port' too. No longer exit when 'substitute-urls' returns the empty list. No longer print newline initially. * tests/substitute.scm (test-quit): Parameterize 'current-error-port' to account for the port changes in 'guix-substitute'. Ludovic Courtès 2020-12-08daemon: 'Agent' constructor takes a list of environment variables....* nix/libutil/util.hh (struct Agent)[Agent]: Add 'env' parameter. * nix/libutil/util.cc (Agent::Agent): Honor it. Ludovic Courtès 2020-12-01daemon: Remove unneeded forward declaration....This is a followup to ee9dff34f9317509cb2b833d07a0d5e01a36a4ae. * nix/libstore/build.cc: Remove 'struct Agent' forward declaration. Ludovic Courtès 2020-11-29daemon: Remove pre-Guix hack....* nix/libstore/build.cc (DerivationGoal::startBuilder): Remove "NIX_OUTPUT_CHECKED" hack. Ludovic Courtès 2020-11-29Use substitute servers on the local network....* guix/scripts/discover.scm: New file. * Makefile.am (MODULES): Add it. * nix/nix-daemon/guix-daemon.cc (options): Add "discover" option, (parse-opt): parse it, (main): start "guix discover" process when the option is set. * guix/scripts/substitute.scm (%local-substitute-urls): New variable, (substitute-urls): add it. * gnu/services/base.scm (<guix-configuration>): Add "discover?" field, (guix-shepherd-service): honor it. * doc/guix.texi (Invoking guix-daemon): Document "discover" option, (Base Services): ditto. Mathieu Othacehe 2020-10-27maint: Add 'etc/gnu-store.mount.in' to the distribution....Reported by Vagrant Cascadian. * nix/local.mk (EXTRA_DIST): Add 'etc/gnu-store.mount.in'. Ludovic Courtès 2020-10-09nix: Honor '--rounds' when also using '--check'....Fixes <https://issues.guix.gnu.org/40144>. Until now, the '--rounds' option, when also using '--check', was ignored. This change makes it possible to use both, so that an item that has already been built once can be rebuilt as many times as desired. * nix/libstore/build.cc: Remove the conditionals causing the daemon to complete a build task early when 'buildMode' is equal to 'nix::bmCheck'. Reported-by: Brice Waegeneire <brice@waegenei.re> Maxim Cournoyer 2020-10-01daemon: Try to execute derivation builders only for matching OS kernels....Fixes <https://bugs.gnu.org/43668>. Previously, guix-daemon would try to run GNU/Hurd executables on GNU/Linux. execve(2) would succeed, but the executable would immediately crash. This change prevents it from attempting to execute "i586-gnu" code on "*-linux", while preserving the binfmt_misc-friendly behavior implemented in commit 7bf2a70a4ffd976d50638d3b9f2ec409763157df. * nix/libstore/build.cc (sameOperatingSystemKernel): New function. (DerivationGoal::runChild): Call 'execve' only when 'sameOperatingSystemKernel' returns true. Ludovic Courtès 2020-09-17guix-install.sh: Support OpenRC....* etc/guix-install.sh (chk_init_sys): Detect OpenRC. (sys_enable_guix_daemon): Install & enable the Guix daemon on such systems. * etc/openrc/guix-daemon.in: New file. * nix/local.mk: Add a rule for it. (openrcservicedir, nodist_openrcservice_DATA): New variables. (CLEANFILES, EXTRA_DIST): Add them. * .gitignore: Ignore etc/openrc/guix-daemon. Signed-off-by: Tobias Geerinckx-Rice <me@tobias.gr> Morgan Smith 2020-09-14daemon: Spawn 'guix authenticate' once for all....Previously, we'd spawn 'guix authenticate' once for each item that has to be signed (when exporting) or authenticated (when importing). Now, we spawn it once for all and then follow a request/reply protocol. This reduces the wall-clock time of: guix archive --export -r $(guix build coreutils -d) from 30s to 2s. * guix/scripts/authenticate.scm (sign-with-key): Return the signature instead of displaying it. Raise a &formatted-message instead of calling 'leave'. (validate-signature): Likewise. (read-command): New procedure. (define-enumerate-type, reply-code): New macros. (guix-authenticate)[send-reply]: New procedure. Change to read commands from current-input-port. * nix/libstore/local-store.cc (runAuthenticationProgram): Remove. (authenticationAgent, readInteger, readAuthenticateReply): New functions. (signHash, verifySignature): Rewrite in terms of the agent. * tests/store.scm ("import not signed"): Remove 'pk' call. ("import signed by unauthorized key"): Check the error message of C. * tests/guix-authenticate.sh: Rewrite using the new protocol. fixlet Ludovic Courtès 2020-09-14daemon: Move 'Agent' to libutil....* nix/libstore/build.cc (DerivationGoal::tryBuildHook): Add "offload" to 'args' and pass settings.guixProgram as the first argument to Agent::Agent. (pathNullDevice, commonChildInit, Agent, Agent::Agent) (Agent::~Agent): Move to... * nix/libutil/util.cc: ... here. * nix/libutil/util.hh (struct Agent, commonChildInit): New declarations. Ludovic Courtès 2020-09-14daemon: Isolate signing and signature verification functions....* nix/libstore/local-store.cc (signHash, verifySignature): New functions. (LocalStore::exportPath): Use 'signHash' instead of inline code. (LocalStore::importPath): Use 'verifySignature' instead of inline code. Ludovic Courtès 2020-09-14daemon: Generalize 'HookInstance' to 'Agent'....* nix/libstore/build.cc (HookInstance): Rename to... (Agent): ... this. Rename 'toHook' and 'fromHook' similarly and update users. Change constructor to require a command and an argument list. (DerivationGoal::tryBuildHook): Pass arguments to the 'Agent' constructor. Ludovic Courtès 2020-09-11daemon: Simplify interface with 'guix authenticate'....There's no reason at this point to mimic the calling convention of the 'openssl' command. * nix/libstore/local-store.cc (LocalStore::exportPath): Add only "sign" and HASH to ARGS. Remove 'tmpDir' and 'hashFile'. (LocalStore::importPath): Add only "verify" and SIGNATURE to * guix/scripts/authenticate.scm (guix-authenticate): Adjust accordingly; remove the OpenSSL-style clauses. (read-hash-data): Remove. (sign-with-key): Replace 'port' with 'sha256' and adjust accordingly. (validate-signature): Export SIGNATURE to be a canonical sexp. * tests/guix-authenticate.sh: Adjust tests accordingly. Ludovic Courtès 2020-06-27daemon: Recognize SHA3 and BLAKE2s....* nix/libutil/hash.hh (HashType): Add htSHA3_256, htSHA3_512, and htBLAKE2s_256. * nix/libutil/hash.cc (parseHashType, printHashType): Recognize them. * tests/store.scm ("add-to-store"): Test these algorithms. Ludovic Courtès 2020-06-27daemon: Remove OpenSSL hash compatibility wrappers....* nix/libutil/hash.cc (struct Ctx): Copy from gcrypt-hash.hh. (start, update, finish): Use gcrypt functions directly instead of OpenSSL-like wrappers. * nix/libutil/gcrypt-hash.cc, nix/libutil/gcrypt-hash.hh, nix/libutil/md5.h, nix/libutil/sha1.h, nix/libutil/sha256.h, nix/libutil/sha512.h: Remove. * nix/local.mk (libutil_a_SOURCES, libutil_headers): Adjust accordingly. Ludovic Courtès 2020-06-27daemon: Map directly to gcrypt hash functions....* nix/libutil/hash.hh (HashType): Map directly to GCRY_MD_ values. (md5HashSize, sha1HashSize, sha256HashSize, sha512HashSize): Remove. * nix/libutil/hash.cc (Hash::Hash): Use 'gcry_md_get_algo_dlen'. Ludovic Courtès 2020-06-25daemon: Correctly handle EMLINK corner case when deduplicating....Suggested by Caleb Ristvedt <caleb.ristvedt@cune.org>. * nix/libstore/optimise-store.cc (LocalStore::optimisePath_): Save errno from 'rename' before calling 'unlink'. Ludovic Courtès 2020-06-24nix: Tweak .gitignore files....Remove .gitignore entries where they match source files that are tracked in Git. This is relevant to me at least, as some code searching tools use .gitignore files and will ignore matched files. Christopher Baines 2020-06-06daemon: Handle EXDEV when moving to trash directory....Fixes <https://bugs.gnu.org/41607>. Reported by Stephen Scheck <singularsyntax@gmail.com>. * nix/libstore/gc.cc (LocalStore::deletePathRecursive): When we try to move a dead directory into the trashDir using rename(2) but it returns an EXDEV error, just delete the directory instead. This can happen in a Docker container when the directory is not on the "top layer". Chris Marusich 2020-05-23build: Add a comment above the sysvinit section....* nix/local.mk (sysvinitservicedir): Add a comment. Signed-off-by: Tobias Geerinckx-Rice <me@tobias.gr> Vincent Legoll 2020-05-17etc: Install mount unit only if it exists....This follows up on 1a1faa78b0498fbb71f1533beb4b65817c1d3f2a, and avoids the (non-fatal) error seen in <https://issues.guix.gnu.org/41356>. /gnu/store will remain writable on new foreign distribution installations until the next release. * etc/guix-install.sh (sys_enable_guix_daemon): Check for ‘gnu-store.mount’ presence before trying to cp it. Update forgotten copyright header. Tobias Geerinckx-Rice 2020-05-16etc: Add a systemd unit to bind-mount @storedir@ read-only....* etc/gnu-store.mount.in: New file. * nix/local.mk (nodist_systemdservice_DATA): Add it. (etc/%.mount): New rule for it. * etc/guix-install.sh (sys_enable_guix_daemon): Install it. * doc/guix.texi (Binary Installation): Document it. * .gitignore: Ignore changes to it. Tobias Geerinckx-Rice 2020-03-26daemon: Avoid kill -1 bug on the Hurd....This allows for native builds on the Hurd, doing sudo ./pre-inst-env guix-daemon --disable-chroot --build-users-group=guixbuild & ./pre-inst-env guix build hello * nix/libutil/util.cc (killUser)[__GNU__]: Avoid kill -1 bug; kill only current process and ignore SIGKILL status in parent. Co-authored-by: Jan Nieuwenhuizen <janneke@gnu.org> Manolis Ragkousis 2020-03-26daemon: Do not use clone on the Hurd....Checking for CLONE_NEWNS is only needed for using tha Linux specific clone(2), otherwise we can use fork(2). Using clone on the Hurd needs some work, only support LINUX for now. See https://lists.gnu.org/archive/html/guix-devel/2020-03/msg00190.html * nix/libstore/build.cc (CHROOT_ENABLED): Break into CHROOT_ENABLED and CLONE_ENABLED. (DerivationGoal::startBuilder): Replace CHROOT_ENABLED with __linux__. (DerivationGoal::runChild): Only define pivot_root() if SYS_pivot_root is defined. Co-authored-by: Jan Nieuwenhuizen <janneke@gnu.org> Manolis Ragkousis 2020-03-11Add system start-up files for guix-daemon....* etc/init.d/guix-daemon.in: New file. * nix/local.mk (etc/init.d/guix-daemon): New rule. (nodist_sysvinitservice_DATA): Add etc/init.d/guix-daemon.in . (CLEANFILES): Add etc/init.d/guix-daemon . * .gitignore: Add etc/init.d/guix-daemon . Danny Milosavljevic 2020-02-26daemon: Drop 'AT_STATX_DONT_SYNC' flag upon EINVAL....Fixes <https://bugs.gnu.org/39727>. Reported by Paul Garlick <pgarlick@tourbillion-technology.com>. * nix/libstore/gc.cc (LocalStore::removeUnusedLinks) [HAVE_STATX]: Add 'statx_flags' static variables. Clear 'AT_STATX_DONT_SYNC' flag from 'statx_flags' when 'statx' returns EINVAL. Ludovic Courtès 2020-01-12daemon: Fix the displayed GC estimated progress....* nix/libstore/gc.cc (LocalStore::deletePathRecursive): Fix computation of 'fraction'. Take 'bytesInvalidated' into account. Ludovic Courtès 2020-01-12daemon: Account for deleted store files when deduplication is on....Previously, a store item that is a regular file would not be accounted for in the 'bytesFreed' value computed by 'deletePath' because its 'st_nlink' count would always be >= 2. This commit fixes that. * nix/libutil/util.hh (deletePath): Add optional 'linkThreshold' argument. * nix/libutil/util.cc (_deletePath): Add 'linkThreshold' argument and honor it. Pass it down in recursive call. (deletePath): Add 'linkThreshold' and honor it. * nix/libstore/gc.cc (LocalStore::deleteGarbage): Pass 'linkThreshold' argument to 'deletePath', with a value of 2 when PATH is a store item and deduplication is on. Ludovic Courtès