fix (#1525)

Co-authored-by: Sergey Kazmin <sergey.kazmin@kaspersky.com>

CMakeLists.txt

@@ -6,6 +6,7 @@
 	* HTTPLIB_REQUIRE_OPENSSL (default off)
 	* HTTPLIB_REQUIRE_ZLIB (default off)
 	* HTTPLIB_USE_BROTLI_IF_AVAILABLE (default on)
+	* HTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN (default on)
 	* HTTPLIB_REQUIRE_BROTLI (default off)
 	* HTTPLIB_COMPILE (default off)
 	* HTTPLIB_TEST (default off)
@@ -43,6 +44,7 @@
 	* HTTPLIB_IS_USING_OPENSSL - a bool for if OpenSSL support is enabled.
 	* HTTPLIB_IS_USING_ZLIB - a bool for if ZLIB support is enabled.
 	* HTTPLIB_IS_USING_BROTLI - a bool for if Brotli support is enabled.
+	* HTTPLIB_IS_USING_CERTS_FROM_MACOSX_KEYCHAIN - a bool for if support of loading system certs from the Apple Keychain is enabled.
 	* HTTPLIB_IS_COMPILED - a bool for if the library is compiled, or otherwise header-only.
 	* HTTPLIB_INCLUDE_DIR - the root path to httplib's header (e.g. /usr/include).
 	* HTTPLIB_LIBRARY - the full path to the library if compiled (e.g. /usr/lib/libhttplib.so).
@@ -92,6 +94,7 @@ endif()
 option(HTTPLIB_TEST "Enables testing and builds tests" OFF)
 option(HTTPLIB_REQUIRE_BROTLI "Requires Brotli to be found & linked, or fails build." OFF)
 option(HTTPLIB_USE_BROTLI_IF_AVAILABLE "Uses Brotli (if available) to enable Brotli decompression support." ON)
+option(HTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN "Enable feature to load system certs from the Apple Keychain." ON)
 # Defaults to static library
 option(BUILD_SHARED_LIBS "Build the library as a shared library instead of static. Has no effect if using header-only." OFF)
 if (BUILD_SHARED_LIBS AND WIN32 AND HTTPLIB_COMPILE)
@@ -137,6 +140,10 @@ if(Brotli_FOUND)
 	set(HTTPLIB_IS_USING_BROTLI TRUE)
 endif()
 
+if(HTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN)
+	set(HTTPLIB_IS_USING_CERTS_FROM_MACOSX_KEYCHAIN TRUE)
+endif()
+
 # Used for default, common dirs that the end-user can change (if needed)
 # like CMAKE_INSTALL_INCLUDEDIR or CMAKE_INSTALL_DATADIR
 include(GNUInstallDirs)
@@ -207,7 +214,7 @@ target_link_libraries(${PROJECT_NAME} ${_INTERFACE_OR_PUBLIC}
 		$<$<PLATFORM_ID:Windows>:crypt32>
 		$<$<PLATFORM_ID:Windows>:cryptui>
 		# Needed for API from MacOS Security framework
-		"$<$<AND:$<PLATFORM_ID:Darwin>,$<BOOL:${HTTPLIB_IS_USING_OPENSSL}>>:-framework CoreFoundation -framework Security>"
+		"$<$<AND:$<PLATFORM_ID:Darwin>,$<BOOL:${HTTPLIB_IS_USING_OPENSSL}>, $<BOOL:${HTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN}>>:-framework CoreFoundation -framework Security>"
 		# Can't put multiple targets in a single generator expression or it bugs out.
 		$<$<BOOL:${HTTPLIB_IS_USING_BROTLI}>:Brotli::common>
 		$<$<BOOL:${HTTPLIB_IS_USING_BROTLI}>:Brotli::encoder>
@@ -222,6 +229,7 @@ target_compile_definitions(${PROJECT_NAME} ${_INTERFACE_OR_PUBLIC}
 	$<$<BOOL:${HTTPLIB_IS_USING_BROTLI}>:CPPHTTPLIB_BROTLI_SUPPORT>
 	$<$<BOOL:${HTTPLIB_IS_USING_ZLIB}>:CPPHTTPLIB_ZLIB_SUPPORT>
 	$<$<BOOL:${HTTPLIB_IS_USING_OPENSSL}>:CPPHTTPLIB_OPENSSL_SUPPORT>
+	$<$<AND:$<PLATFORM_ID:Darwin>,$<BOOL:${HTTPLIB_IS_USING_OPENSSL}>, $<BOOL:${HTTPLIB_IS_USING_CERTS_FROM_MACOSX_KEYCHAIN}>>:CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN>
 )
 
 # CMake configuration files installation directory

httplib.h

@@ -239,7 +239,7 @@ using socket_t = int;
 #pragma comment(lib, "crypt32.lib")
 #pragma comment(lib, "cryptui.lib")
 #endif
-#elif defined(__APPLE__)
+#elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && defined(__APPLE__)
 #include <TargetConditionals.h>
 #if TARGET_OS_OSX
 #include <CoreFoundation/CoreFoundation.h>
@@ -4513,7 +4513,7 @@ inline bool load_system_certs_on_windows(X509_STORE *store) {
 
   return result;
 }
-#elif defined(__APPLE__)
+#elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && defined(__APPLE__)
 #if TARGET_OS_OSX
 template <typename T>
 using CFObjectPtr =
@@ -8064,7 +8064,7 @@ inline bool SSLClient::load_certs() {
 #ifdef _WIN32
       loaded =
           detail::load_system_certs_on_windows(SSL_CTX_get_cert_store(ctx_));
-#elif defined(__APPLE__)
+#elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && defined(__APPLE__)
 #if TARGET_OS_OSX
       loaded = detail::load_system_certs_on_macos(SSL_CTX_get_cert_store(ctx_));
 #endif // TARGET_OS_OSX

meson.build

@@ -35,7 +35,11 @@ if openssl_dep.found()
   deps += openssl_dep
   args += '-DCPPHTTPLIB_OPENSSL_SUPPORT'
   if host_machine.system() == 'darwin'
-    deps += dependency('appleframeworks', modules: ['CoreFoundation', 'Security'])
+    macosx_keychain_dep = dependency('appleframeworks', modules: ['CoreFoundation', 'Security'], required: get_option('cpp-httplib_macosx_keychain'))
+    if macosx_keychain_dep.found()
+        deps += macosx_keychain_dep
+        args += '-DCPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN'
+    endif  
   endif
 endif
 

meson_options.txt

@@ -5,5 +5,6 @@
 option('cpp-httplib_openssl', type: 'feature', value: 'auto', description: 'Enable OpenSSL support')
 option('cpp-httplib_zlib',    type: 'feature', value: 'auto', description: 'Enable zlib support')
 option('cpp-httplib_brotli',  type: 'feature', value: 'auto', description: 'Enable Brotli support')
+option('cpp-httplib_macosx_keychain', type: 'feature', value: 'auto', description: 'Enable loading certs from the Keychain on Apple devices')
 option('cpp-httplib_compile', type: 'boolean', value: false,  description: 'Split the header into a compilable header & source file (requires python3)')
 option('cpp-httplib_test',    type: 'boolean', value: false,  description: 'Build tests')

test/Makefile

@@ -11,7 +11,7 @@ OPENSSL_SUPPORT = -DCPPHTTPLIB_OPENSSL_SUPPORT -I$(OPENSSL_DIR)/include -L$(OPEN
 ifneq ($(OS), Windows_NT)
 	UNAME_S := $(shell uname -s)
 	ifeq ($(UNAME_S), Darwin)
-		OPENSSL_SUPPORT += -framework CoreFoundation -framework Security
+		OPENSSL_SUPPORT += -DCPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN -framework CoreFoundation -framework Security
 	endif
 endif