hotplace rev.339 linnux minimal platform tested (Fedora Core 4 - kern…

…el 2.6.11, glibc 2.3.5)

CMakeLists.txt

@@ -22,6 +22,12 @@ if (NOT "$ENV{CXXFLAGS}" STREQUAL "")
     # specify additional include, lib directories
     set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} $ENV{CXXFLAGS}")
 endif ()
+if (NOT "$ENV{CMAKE_CXX_COMPILER}" STREQUAL "")
+    set (CMAKE_CXX_COMPILER "$ENV{CMAKE_CXX_COMPILER}")
+endif ()
+if (NOT "$ENV{CMAKE_CXX_FLAGS}" STREQUAL "")
+    set (CMAKE_CXX_FLAGS "$ENV{CMAKE_CXX_FLAGS}")
+endif ()
 if (NOT "$ENV{SUPPORT_SHARED}" STREQUAL "")
     set (SUPPORT_SHARED $ENV{SUPPORT_SHARED})
 endif ()
@@ -41,8 +47,7 @@ endif ()
 if (UNIX)
 # -std=c++11
 # -Wl,-z,noexecstack
-# -Wl,--copy-dt-needed-entries # DSO missing from command line
-set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=${SET_STDCPP} -Wl,-z,noexecstack -Wl,--copy-dt-needed-entries")
+set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=${SET_STDCPP} -Wl,-z,noexecstack")
 else (1)
 endif ()
 
@@ -81,15 +86,18 @@ endif ()
 
 # copy header files to destination
 function(copy_headers_with_hierarchy SOURCE_DIR DESTINATION_DIR)
-    file(GLOB_RECURSE HEADER_FILES ${SOURCE_DIR}/*.hpp ${SOURCE_DIR}/*.h)
-
-    foreach(HEADER_FILE ${HEADER_FILES})
-        file(RELATIVE_PATH HEADER_RELATIVE_PATH ${SOURCE_DIR} ${HEADER_FILE})
-        get_filename_component(HEADER_DESTINATION_PATH "${DESTINATION_DIR}/${HEADER_RELATIVE_PATH}" DIRECTORY)
-
-        file(MAKE_DIRECTORY ${HEADER_DESTINATION_PATH})
-        file(COPY ${HEADER_FILE} DESTINATION ${HEADER_DESTINATION_PATH})
-    endforeach()
+    if(CMAKE_VERSION VERSION_LESS 3.0)
+    else(1)
+        file(GLOB_RECURSE HEADER_FILES ${SOURCE_DIR}/*.hpp ${SOURCE_DIR}/*.h)
+
+        foreach(HEADER_FILE ${HEADER_FILES})
+            file(RELATIVE_PATH HEADER_RELATIVE_PATH ${SOURCE_DIR} ${HEADER_FILE})
+            get_filename_component(HEADER_DESTINATION_PATH "${DESTINATION_DIR}/${HEADER_RELATIVE_PATH}" DIRECTORY)
+
+            file(MAKE_DIRECTORY ${HEADER_DESTINATION_PATH})
+            file(COPY ${HEADER_FILE} DESTINATION ${HEADER_DESTINATION_PATH})
+        endforeach()
+    endif()
 endfunction()
 
 # makelib name type source header library

README.md

@@ -109,13 +109,20 @@
      * RHEL 7 and newer, (including CentOS, Rockey Linux)
      * ubuntu 20.04 and newer
      * mingw
+     * Fedora Core release 4 (Stentz) w/ custom toolchain (GCC 4.8)
+
+# custom toolchain
+
+## openssl
 
  * important
    * openssl 1.1.1 or newer
      * RSA-OAEP-256
      * Ed25519 Ed448 X25519 X448
      * sha3
    * openssl 3.0, 3.1
+     * EVP_CIPHER_fetch/EVP_CIPHER_free, EVP_MD_fetch/EVP_MD_free
+     * truncated sha ("sha2-512/224", "sha2-512/256")
      * failed to load PEM file containing private key
    * openssl 3.2
      * argon2d, argon2i, argon2id
@@ -148,6 +155,9 @@
        * $ make
      * no thanks man pages
        * $ make install_sw install_ssldirs
+
+## jansson
+
    * build custom jansson (example)
      * see https://github.com/akheron/jansson
      * aclocal; autoheader; autoconf;
@@ -158,6 +168,23 @@
      * make
      * make install
 
+## FC4 custom toolchain
+
+  * toolchain dependencies
+    * cmake (2.8.10.2)
+    * perl (5.10.0)
+    * m4 (1.4.13)
+    * autoconf (2.65)
+    * automake (1.16.4)
+    * libtool (1.5.2)
+    * make (3.80)
+    * gmp (4.3.2)
+    * mpfr (2.4.2)
+    * mpc (1.0.3)
+    * isl (0.10)
+    * binutils (2.18)
+    * gcc (4.8.5)
+
 # link
 
  * https://github.com/princeb612/hotplace

make.sh

@@ -32,6 +32,8 @@ else
     export SUPPORT_ODBC=0
     export SUPPORT_PCH=0
     export SET_STDCPP=c++11
+    # -Wl,--copy-dt-needed-entries # DSO missing from command line
+    export CMAKE_CXX_FLAGS='-Wl,--copy-dt-needed-entries'
     true
 fi
 export CXXFLAGS='-DDEBUG'

sdk/base/system/datetime.cpp

@@ -12,6 +12,11 @@
 
 #include <hotplace/sdk/base/stl.hpp>
 #include <hotplace/sdk/base/system/datetime.hpp>
+#if defined __linux__
+#include <dlfcn.h>
+#include <sys/time.h>
+#include <unistd.h>
+#endif
 
 namespace hotplace {
 
@@ -48,7 +53,7 @@ datetime::~datetime() {
     // do nothing
 }
 
-void datetime::update() { clock_gettime(CLOCK_REALTIME, &_timespec); }
+void datetime::update() { system_gettime(CLOCK_REALTIME, _timespec); }
 
 bool datetime::update_if_elapsed(unsigned long msecs) {
     bool ret = false;
@@ -769,7 +774,7 @@ return_t datetime::asn1time_to_timespec(asn1time_t at, struct timespec& ts) {
     return ret;
 }
 
-void time_monotonic(struct timespec& ts) { clock_gettime(CLOCK_MONOTONIC, &ts); }
+void time_monotonic(struct timespec& ts) { system_gettime(CLOCK_MONOTONIC, ts); }
 
 return_t time_diff(struct timespec& ts, struct timespec begin, struct timespec end) {
     return_t ret = errorcode_t::success;
@@ -829,4 +834,26 @@ return_t time_sum(struct timespec& ts, std::list<struct timespec>& slices) {
     return ret;
 }
 
+void system_gettime(int clockid, struct timespec& ts) {
+#if defined __linux__
+// to support a minimal platform
+#define DLSYMAPI(handle, nameof_api, func_ptr) *(void**)(&func_ptr) = dlsym(handle, nameof_api)
+    typedef int (*clock_gettime_t)(clockid_t clockid, struct timespec * tp);
+    clock_gettime_t clock_gettime_ptr = nullptr;
+    DLSYMAPI(RTLD_DEFAULT, "clock_gettime", clock_gettime_ptr);
+    if (clock_gettime_ptr) {
+        // kernel 2.8~ later
+        (*clock_gettime_ptr)(clockid, &ts);
+    } else {
+        // kernel ~2.7 earlier
+        ts.tv_sec = time(nullptr);
+        struct timeval tv;
+        gettimeofday(&tv, nullptr);
+        ts.tv_nsec = tv.tv_usec * 1000;
+    }
+#else
+    clock_gettime(CLOCK_REALTIME, &ts);
+#endif
+}
+
 }  // namespace hotplace

sdk/base/system/datetime.hpp

@@ -249,6 +249,13 @@ class datetime {
     struct timespec _timespec; /* time_t tv_sec(UTC seconds) + long tv_nsec(nanoseconds) */
 };
 
+/**
+ * @brief clock_gettime (kernel 2.6) replacement
+ * @param int clockid [in] CLOCK_REALTIME, CLOCK_MONOTONIC
+ * @param struct timespec& ts [out]
+ */
+void system_gettime(int clockid, struct timespec& ts);
+
 void time_monotonic(struct timespec& timespec);
 /**
  * @brief   calculate difference

sdk/crypto/basic/crypto_advisor.cpp

@@ -67,6 +67,15 @@ return_t crypto_advisor::build_if_necessary() {
             _blockcipher_map.insert(std::make_pair(item->_alg, item));
         }
 
+        // openssl-3.0
+        //   - use EVP_CIPHER_fetch/EVP_CIPHER_free, EVP_MD_fetch/EVP_MD_free
+        // openssl-1.1.1
+        //   - use EVP_get_cipherbyname, EVP_get_digestbyname (run-time)
+        //     EVP_CIPHER* and EVP_MD* at extern const structure return nullptr (constexpr in compile-time)
+        //   - not provided "aes-128-wrap", "aes-192-wrap", "aes-256-wrap"
+        //     [FAIL] const EVP_CIPHER* cipher = EVP_get_cipherbyname("aes-128-wrap");
+        //     [PASS] const EVP_CIPHER* cipher = crypto_advisor::get_instance()->find_evp_cipher("aes-128-wrap");
+
         for (i = 0; i < sizeof_evp_cipher_methods; i++) {
             const openssl_evp_cipher_method_t* item = evp_cipher_methods + i;
 #if (OPENSSL_VERSION_NUMBER >= 0x30000000L)