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This hook can be used to perform additional compatibility checks between shared libraries by inspecting custom program header information. * elf/dl-machine-reject-phdr.h: New file. * elf/dl-load.c: #include that. (open_verify): Call elf_machine_reject_phdr_p and ignore the file if that returned true.
35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
/* Machine-dependent program header inspection for the ELF loader.
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Copyright (C) 2014 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C 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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The GNU C 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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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _DL_MACHINE_REJECT_PHDR_H
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#define _DL_MACHINE_REJECT_PHDR_H 1
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#include <stdbool.h>
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/* Return true iff ELF program headers are incompatible with the running
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host. */
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static inline bool
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elf_machine_reject_phdr_p (const ElfW(Phdr) *phdr, uint_fast16_t phnum,
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const char *buf, size_t len, struct link_map *map,
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int fd)
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{
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return false;
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}
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#endif /* dl-machine-reject-phdr.h */
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