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59 lines
2.1 KiB
OCaml
59 lines
2.1 KiB
OCaml
(* guestfs-inspection
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* Copyright (C) 2009-2025 Red Hat Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*)
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open Printf
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open Std_utils
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external rpm_init : unit -> unit = "guestfs_int_daemon_rpm_init"
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external rpm_start_iterator : unit -> unit = "guestfs_int_daemon_rpm_start_iterator"
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external rpm_next_application : unit -> Structs.application2 = "guestfs_int_daemon_rpm_next_application"
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external rpm_end_iterator : unit -> unit = "guestfs_int_daemon_rpm_end_iterator"
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(* librpm is troublesome when run from the main process. In
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* particular it holds open some glibc NSS files. Therefore we fork
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* before doing the chroot and any librpm operations.
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*
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* We could also consider in future limiting the time taken to run the
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* subprocess since it's unclear that parsing RPM config files from
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* the guest in particular is safe.
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*)
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let rec internal_list_rpm_applications () =
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let chroot = Chroot.create ~name:"librpm" () in
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let apps = Chroot.f chroot list_rpm_applications () in
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eprintf "librpm returned %d installed packages\n%!" (List.length apps);
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apps
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and list_rpm_applications () =
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rpm_init ();
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rpm_start_iterator ();
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let ret = ref [] in
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let rec loop () =
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try
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let app = rpm_next_application () in
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List.push_front app ret;
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loop ()
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with Not_found -> ()
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in
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loop ();
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rpm_end_iterator ();
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List.sort
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(fun { Structs.app2_name = n1 } { Structs.app2_name = n2 } ->
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compare n1 n2)
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!ret
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