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If the user (erroneously) runs as root while modifying their user installation, e.g. with "sudo flatpak --user install ...", this can cause "permission denied" errors later on when they try to operate on the installation as their own user. So refuse to execute a transaction on a user-owned installation as root. Root can still operate on their own per-user installation. This approach does have a weakness: if flatpak is running as root when the user installation is first created, it will be owned by root and therefore avoid this check. I'm not sure what could be done about that. Fixes https://github.com/flatpak/flatpak/issues/2565 Closes: #2575 Approved by: alexlarsson
97 lines
3.7 KiB
C
97 lines
3.7 KiB
C
/* flatpak-error.c
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*
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* Copyright (C) 2015 Red Hat, Inc
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*
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* This file is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors:
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* Alexander Larsson <alexl@redhat.com>
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*/
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#ifndef FLATPAK_ERROR_H
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#define FLATPAK_ERROR_H
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#if !defined(__FLATPAK_H_INSIDE__) && !defined(FLATPAK_COMPILATION)
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#error "Only <flatpak.h> can be included directly."
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#endif
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#include <glib.h>
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G_BEGIN_DECLS
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/* NOTE: If you add an error code below, also update the list in common/flatpak-utils.c */
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/**
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* FlatpakError:
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* @FLATPAK_ERROR_ALREADY_INSTALLED: App/runtime is already installed
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* @FLATPAK_ERROR_NOT_INSTALLED: App/runtime is not installed
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* @FLATPAK_ERROR_ONLY_PULLED: App/runtime was only pulled into the local
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* repository but not installed.
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* @FLATPAK_ERROR_DIFFERENT_REMOTE: The App/Runtime is already installed, but from a different remote.
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* @FLATPAK_ERROR_ABORTED: The transaction was aborted (returned TRUE in operation-error signal).
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* @FLATPAK_ERROR_SKIPPED: The App/Runtime install was skipped due to earlier errors.
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* @FLATPAK_ERROR_NEED_NEW_FLATPAK: The App/Runtime needs a more recent version of flatpak.
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* @FLATPAK_ERROR_REMOTE_NOT_FOUND: The specified remote was not found.
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* @FLATPAK_ERROR_RUNTIME_NOT_FOUND: An runtime needed for the app was not found.
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* @FLATPAK_ERROR_DOWNGRADE: The pulled commit is a downgrade, and a downgrade wasn't
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* specifically allowed. (Since: 1.0)
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* @FLATPAK_ERROR_INVALID_REF: A ref could not be parsed. (Since: 1.0.3)
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* @FLATPAK_ERROR_INVALID_DATA: Invalid data. (Since: 1.0.3)
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* @FLATPAK_ERROR_UNTRUSTED: Missing GPG key or signature. (Since: 1.0.3)
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* @FLATPAK_ERROR_SETUP_FAILED: Sandbox setup failed. (Since: 1.0.3)
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* @FLATPAK_ERROR_EXPORT_FAILED: Exporting data failed. (Since: 1.0.3)
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* @FLATPAK_ERROR_REMOTE_USED: Remote can't be uninstalled. (Since: 1.0.3)
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* @FLATPAK_ERROR_RUNTIME_USED: Runtime can't be uninstalled. (Since: 1.0.3)
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* @FLATPAK_ERROR_INVALID_NAME: Application, runtime or remote name is invalid. (Since: 1.0.3)
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* @FLATPAK_ERROR_OUT_OF_SPACE: More disk space needed. (Since: 1.2.0)
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* @FLATPAK_ERROR_WRONG_USER: An operation is being attempted by the wrong user (such as
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* root operating on a user installation). (Since: 1.2.0)
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*
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* Error codes for library functions.
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*/
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typedef enum {
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FLATPAK_ERROR_ALREADY_INSTALLED,
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FLATPAK_ERROR_NOT_INSTALLED,
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FLATPAK_ERROR_ONLY_PULLED,
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FLATPAK_ERROR_DIFFERENT_REMOTE,
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FLATPAK_ERROR_ABORTED,
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FLATPAK_ERROR_SKIPPED,
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FLATPAK_ERROR_NEED_NEW_FLATPAK,
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FLATPAK_ERROR_REMOTE_NOT_FOUND,
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FLATPAK_ERROR_RUNTIME_NOT_FOUND,
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FLATPAK_ERROR_DOWNGRADE,
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FLATPAK_ERROR_INVALID_REF,
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FLATPAK_ERROR_INVALID_DATA,
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FLATPAK_ERROR_UNTRUSTED,
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FLATPAK_ERROR_SETUP_FAILED,
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FLATPAK_ERROR_EXPORT_FAILED,
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FLATPAK_ERROR_REMOTE_USED,
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FLATPAK_ERROR_RUNTIME_USED,
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FLATPAK_ERROR_INVALID_NAME,
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FLATPAK_ERROR_OUT_OF_SPACE,
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FLATPAK_ERROR_WRONG_USER,
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} FlatpakError;
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/**
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* FLATPAK_ERROR:
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*
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* The error domain for #FlatpakError errors.
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*/
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#define FLATPAK_ERROR flatpak_error_quark ()
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FLATPAK_EXTERN GQuark flatpak_error_quark (void);
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G_END_DECLS
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#endif /* FLATPAK_ERROR_H */
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