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kmsgrab: Only gain effective CAP_SYS_ADMIN when needed

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David Rosca 2021-09-04 11:45:57 +02:00
commit 6309f478a2
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6 changed files with 59 additions and 12 deletions
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21
cmake/FindLIBCAP.cmake Normal file
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# - Try to find Libcap
# Once done this will define
#
# LIBCAP_FOUND - system has Libcap
# LIBCAP_INCLUDE_DIRS - the Libcap include directory
# LIBCAP_LIBRARIES - the libraries needed to use Libcap
# LIBCAP_DEFINITIONS - Compiler switches required for using Libcap
# Use pkg-config to get the directories and then use these values
# in the find_path() and find_library() calls
find_package(PkgConfig)
pkg_check_modules(PC_LIBCAP libcap)
set(LIBCAP_DEFINITIONS ${PC_LIBCAP_CFLAGS})
find_path(LIBCAP_INCLUDE_DIRS sys/capability.h PATHS ${PC_LIBCAP_INCLUDEDIR} ${PC_LIBCAP_INCLUDE_DIRS})
find_library(LIBCAP_LIBRARIES NAMES libcap.so PATHS ${PC_LIBCAP_LIBDIR} ${PC_LIBCAP_LIBRARY_DIRS})
mark_as_advanced(LIBCAP_INCLUDE_DIRS LIBCAP_LIBRARIES)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(LIBCAP REQUIRED_VARS LIBCAP_LIBRARIES LIBCAP_INCLUDE_DIRS)