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https://gitlab.freedesktop.org/libfprint/libfprint.git
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f800bbd485
In test mode, dynamically load libraries in well known locations that can allow to override the libfprint behavior. It would still be possible to potentially inject code by replicating the distro build directory and adding a library there, but if one is able to access there, they would already be able to access any path. Plus the env variable check is still there, so again they would need to be able to change the fprintd environment
33 lines
1.2 KiB
C
33 lines
1.2 KiB
C
/*
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* Copyright (C) 2026 Canonical, Ltd.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 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
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "fpi-device.h"
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#include "fpi-test-emulation.h"
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gboolean
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(fpi_device_emulation_mode_enabled) (FpDevice *device)
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{
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static gsize emulation_mode = 0;
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if (g_once_init_enter (&emulation_mode))
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g_once_init_leave (&emulation_mode,
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g_strcmp0 (g_getenv (FPI_EMULATION_ENV_VAR), "1") == 0 ?
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TRUE : G_MAXSIZE);
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return emulation_mode == TRUE;
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}
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