1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
cmake_minimum_required(VERSION 3.16)
project(cotp VERSION "4.0.0" LANGUAGES "C")
set(CMAKE_C_STANDARD 11)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
include(GNUInstallDirs)
include(CMakePackageConfigHelpers)
find_package(PkgConfig)
option(BUILD_SHARED_LIBS "Build libcotp as a shared library" ON)
option(BUILD_TESTS "Build base32 and cotp tests" OFF)
set(HMAC_WRAPPER "gcrypt" CACHE STRING "Choose between gcrypt (default), openssl or mbedtls for HMAC computation")
set_property(CACHE HMAC_WRAPPER PROPERTY STRINGS "gcrypt" "openssl" "mbedtls")
if("${HMAC_WRAPPER}" STREQUAL "gcrypt")
set(HMAC_SOURCE_FILES
src/utils/whmac_gcrypt.c
)
find_package(Gcrypt 1.8.0 REQUIRED)
set(HMAC_INCLUDE_DIR ${GCRYPT_INCLUDE_DIR})
set(HMAC_LIBRARIES ${GCRYPT_LIBRARIES})
message(STATUS "libcotp: HMAC backend set to gcrypt")
elseif("${HMAC_WRAPPER}" STREQUAL "openssl")
find_package(OpenSSL 3.0.0 REQUIRED)
set(HMAC_SOURCE_FILES
src/utils/whmac_openssl.c
)
set(HMAC_INCLUDE_DIR ${OPENSSL_INCLUDE_DIR})
set(HMAC_LIBRARIES ${OPENSSL_LIBRARIES})
message(STATUS "libcotp: HMAC backend set to openssl")
elseif("${HMAC_WRAPPER}" STREQUAL "mbedtls")
find_package(MbedTLS REQUIRED)
set(HMAC_SOURCE_FILES
src/utils/whmac_mbedtls.c
)
set(HMAC_INCLUDE_DIR ${MBEDTLS_INCLUDE_DIRS})
set(HMAC_LIBRARIES ${MBEDTLS_LIBRARIES})
message(STATUS "libcotp: HMAC backend set to mbedtls")
else()
message(FATAL_ERROR "libcotp: unknown HMAC_WRAPPER '${HMAC_WRAPPER}'. Choose gcrypt, openssl, or mbedtls.")
endif()
set(COTP_HEADERS
src/cotp.h
)
option(COTP_ENABLE_VALIDATION "Enable helper APIs for OTP validation in a time window" OFF)
set(SOURCE_FILES
src/otp.c
${HMAC_SOURCE_FILES}
src/utils/base32.c
src/utils/secure_zero.c
src/ctx.c
)
if (COTP_ENABLE_VALIDATION)
list(APPEND SOURCE_FILES src/utils/validation.c)
endif()
add_library(cotp ${SOURCE_FILES})
if (COTP_ENABLE_VALIDATION)
target_compile_definitions(cotp PUBLIC COTP_ENABLE_VALIDATION)
endif()
target_link_libraries(cotp PRIVATE ${HMAC_LIBRARIES})
target_include_directories(cotp
PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
PRIVATE
${HMAC_INCLUDE_DIR})
target_compile_options(cotp PRIVATE
-Wall -Wextra -O3 -Wformat=2 -Wmissing-format-attribute -fstack-protector-strong -Wundef -Wmissing-format-attribute
-fdiagnostics-color=always -Wstrict-prototypes -Wunreachable-code -Wchar-subscripts -Wwrite-strings -Wpointer-arith -Wbad-function-cast
-Wcast-align -Werror=format-security -Werror=implicit-function-declaration -Wno-sign-compare -Wno-format-nonliteral -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3)
set_target_properties(cotp PROPERTIES VERSION ${CMAKE_PROJECT_VERSION} SOVERSION ${CMAKE_PROJECT_VERSION_MAJOR})
if (BUILD_TESTS)
enable_testing()
add_subdirectory(tests)
endif ()
set(COTP_LIB_DIR "${CMAKE_INSTALL_LIBDIR}")
set(COTP_INC_DIR "${CMAKE_INSTALL_INCLUDEDIR}")
install(
TARGETS cotp
EXPORT cotpTargets
ARCHIVE DESTINATION ${COTP_LIB_DIR}
LIBRARY DESTINATION ${COTP_LIB_DIR}
COMPONENT library
)
install(
FILES ${COTP_HEADERS}
DESTINATION ${COTP_INC_DIR}
)
# CMake package config for find_package(COTP CONFIG)
write_basic_package_version_file(
"${CMAKE_CURRENT_BINARY_DIR}/COTPConfigVersion.cmake"
VERSION ${PROJECT_VERSION}
COMPATIBILITY SameMajorVersion
)
configure_package_config_file(
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/COTPConfig.cmake.in"
"${CMAKE_CURRENT_BINARY_DIR}/COTPConfig.cmake"
INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/COTP
)
install(FILES
"${CMAKE_CURRENT_BINARY_DIR}/COTPConfig.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/COTPConfigVersion.cmake"
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/COTP
)
install(EXPORT cotpTargets NAMESPACE COTP:: DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/COTP)
if (PkgConfig_FOUND)
# Allow adding prefix if CMAKE_INSTALL_INCLUDEDIR not absolute.
if(IS_ABSOLUTE "${CMAKE_INSTALL_INCLUDEDIR}")
set(PKGCONFIG_TARGET_INCLUDES "${CMAKE_INSTALL_INCLUDEDIR}")
else()
set(PKGCONFIG_TARGET_INCLUDES "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
endif()
# Allow adding prefix if CMAKE_INSTALL_LIBDIR not absolute.
if(IS_ABSOLUTE "${CMAKE_INSTALL_LIBDIR}")
set(PKGCONFIG_TARGET_LIBS "${CMAKE_INSTALL_LIBDIR}")
else()
set(PKGCONFIG_TARGET_LIBS "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}")
endif()
configure_file("cotp.pc.in" "cotp.pc" @ONLY)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/cotp.pc" DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig/)
endif()
|
