Merge remote-tracking branch 'origin/oai_crypt_rm' into integration_2023_w29

CMakeLists.txt

@@ -300,10 +300,6 @@ target_link_libraries(lte_rrc PRIVATE nr_rrc)
 add_library(nr_rrc ${OPENAIR2_DIR}/RRC/NR/MESSAGES/asn1_msg.c)
 target_link_libraries(nr_rrc PUBLIC asn1_nr_rrc asn1_lte_rrc)
 
-
-# S1AP and NGAP need crypt library
-pkg_check_modules(libcrypt REQUIRED libcrypt)
-
 # S1AP
 ##############
 set(S1AP_DIR ${OPENAIR3_DIR}/S1AP)
@@ -325,8 +321,6 @@ add_library(s1ap
   )
 target_link_libraries(s1ap PUBLIC asn1_s1ap)
 target_link_libraries(s1ap PRIVATE nr_rrc asn1_nr_rrc_hdrs lte_rrc)
-target_include_directories(s1ap PRIVATE ${libcrypt_INCLUDE_DIRS})
-target_link_libraries(s1ap PUBLIC ${libcrypt_LIBRARIES})
 
 # NGAP
 ##############
@@ -348,8 +342,6 @@ add_library(ngap
   )
 target_link_libraries(ngap PUBLIC asn1_ngap)
 target_link_libraries(ngap PRIVATE asn1_lte_rrc_hdrs asn1_nr_rrc_hdrs)
-target_include_directories(ngap PRIVATE ${libcrypt_INCLUDE_DIRS})
-target_link_libraries(ngap PRIVATE ${libcrypt_LIBRARIES})
 
 #M2AP
 ##############
@@ -1446,7 +1438,7 @@ add_library(e1_if
   ${NR_RRC_DIR}/cucp_cuup_e1ap.c
   )
 
-target_link_libraries(e1_if PRIVATE asn1_nr_rrc_hdrs asn1_lte_rrc_hdrs asn1_f1ap SECURITY ${OPENSSL_LIBRARIES} crypt e1ap GTPV1U)
+target_link_libraries(e1_if PRIVATE asn1_nr_rrc_hdrs asn1_lte_rrc_hdrs asn1_f1ap SECURITY ${OPENSSL_LIBRARIES} e1ap GTPV1U)
 
 add_library(e1_pdcp_if
   ${OPENAIR2_DIR}/LAYER2/nr_pdcp/nr_pdcp_e1_api.c

cmake_targets/tools/MODULES/FindGcrypt.cmake

-# - Find gnutls
-# Find the native GCRYPT includes and library
-#
-#  GCRYPT_FOUND - True if gnutls found.
-#  GCRYPT_INCLUDE_DIR - where to find gnutls.h, etc.
-#  GCRYPT_LIBRARIES - List of libraries when using gnutls.
-
-if (GCRYPT_INCLUDE_DIR AND GCRYPT_LIBRARIES)
-  set(GCRYPT_FIND_QUIETLY TRUE)
-endif (GCRYPT_INCLUDE_DIR AND GCRYPT_LIBRARIES)
-
-# Include dir
-find_path(GCRYPT_INCLUDE_DIR
-	NAMES
-	  gcrypt.h
-)
-
-# Library
-find_library(GCRYPT_LIBRARY 
-  NAMES gcrypt
-)
-
-# handle the QUIETLY and REQUIRED arguments and set GCRYPT_FOUND to TRUE if 
-# all listed variables are TRUE
-INCLUDE(FindPackageHandleStandardArgs)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(GCRYPT DEFAULT_MSG GCRYPT_LIBRARY GCRYPT_INCLUDE_DIR)
-
-IF(GCRYPT_FOUND)
-  SET( GCRYPT_LIBRARIES ${GCRYPT_LIBRARY} )
-ELSE(GCRYPT_FOUND)
-  SET( GCRYPT_LIBRARIES )
-ENDIF(GCRYPT_FOUND)
-
-# Lastly make it so that the GCRYPT_LIBRARY and GCRYPT_INCLUDE_DIR variables
-# only show up under the advanced options in the gui cmake applications.
-MARK_AS_ADVANCED( GCRYPT_LIBRARY GCRYPT_INCLUDE_DIR )

cmake_targets/tools/build_helper

@@ -554,28 +554,22 @@ check_install_additional_tools (){
             ;;
     esac
     PACKAGE_LIST="\
-	doxygen \
-	libpthread-stubs0-dev \
-	libqt5charts5-dev \
-	tshark \
-	uml-utilities \
+        doxygen \
+        libgnutls28-dev \
+        libpthread-stubs0-dev \
+        libqt5charts5-dev \
+        tshark \
+        uml-utilities \
         iperf3 \
         libforms-bin \
         libforms-dev \
         xmlstarlet"
-  elif [[ "$OS_DISTRO" == "rhel" ]] || [[ "$OS_DISTRO" == "centos" ]] || [[ "$OS_DISTRO" == "rocky" ]]; then
+  elif [[ "$OS_DISTRO" == "rhel" ]] || [[ "$OS_DISTRO" == "centos" ]] || [[ "$OS_DISTRO" == "rocky" ]] ||  [[ "$OS_DISTRO" == "fedora" ]]; then
     PACKAGE_LIST="\
       doxygen \
       ctags \
       iperf3 \
-      xforms \
-      xforms-devel \
-      xmlstarlet"
-  elif [[ "$OS_DISTRO" == "fedora" ]]; then
-    PACKAGE_LIST=" \
-      doxygen \
-      ctags \
-      iperf3 \
+      gnutls-devel \
       xforms \
       xforms-devel \
       xmlstarlet"
@@ -595,7 +589,7 @@ check_install_oai_software() {
     case "$(get_distribution_release)" in
         "ubuntu18.04")
             add_cmake_repo
-            specific_packages="libgcrypt11-dev"
+            specific_packages=""
             ;;
          "debian11")
             specific_packages="libz-dev"
@@ -614,7 +608,6 @@ check_install_oai_software() {
 	liblapack-dev \
 	liblapacke-dev \
 	libreadline-dev \
-	libgnutls28-dev \
 	libconfig-dev \
 	libsctp-dev  \
 	libssl-dev  \
@@ -645,7 +638,6 @@ check_install_oai_software() {
       pkgconfig \
       libconfig-devel \
       libffi-devel \
-      libgcrypt-devel \
       lksctp-tools \
       lksctp-tools-devel \
       libtool \
@@ -656,7 +648,6 @@ check_install_oai_software() {
       openssl-devel \
       patch \
       readline-devel \
-      gnutls-devel \
       lapack \
       lapack-devel \
       blas \

openair3/NGAP/ngap_gNB.c

@@ -33,7 +33,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
-#include <crypt.h>
+#include "openair3/SECU/kdf.h"
 
 #include "tree.h"
 #include "queue.h"
@@ -71,17 +71,20 @@ void ngap_gNB_handle_register_gNB(instance_t instance, ngap_register_gnb_req_t *
 
 void ngap_gNB_handle_sctp_association_resp(instance_t instance, sctp_new_association_resp_t *sctp_new_association_resp);
 
-uint32_t ngap_generate_gNB_id(void) {
-  char    *out;
-  char     hostname[50];
-  int      ret;
-  uint32_t gNB_id;
+uint32_t ngap_generate_gNB_id(void)
+{
   /* Retrieve the host name */
-  ret = gethostname(hostname, sizeof(hostname));
+  char hostname[32] = {0};
+  int const ret = gethostname(hostname, sizeof(hostname));
   DevAssert(ret == 0);
-  out = crypt(hostname, "eurecom");
-  DevAssert(out != NULL);
-  gNB_id = ((out[0] << 24) | (out[1] << 16) | (out[2] << 8) | out[3]);
+
+  uint8_t key[32] = {"eurecom"};
+  byte_array_t data = {.len = 32, .buf = (uint8_t *)hostname};
+
+  uint8_t out[32] = {0};
+  kdf(key, data, 32, out);
+
+  uint32_t const gNB_id = ((out[0] << 24) | (out[1] << 16) | (out[2] << 8) | out[3]);
   return gNB_id;
 }
 

openair3/S1AP/s1ap_eNB.c

@@ -32,7 +32,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
-#include <crypt.h>
+#include "openair3/SECU/kdf.h"
 
 #include "tree.h"
 #include "queue.h"
@@ -108,17 +108,20 @@ int s1ap_timer_remove(long timer_id)
   return ret;
 }
 
-uint32_t s1ap_generate_eNB_id(void) {
-  char    *out;
-  char     hostname[50];
-  int      ret;
-  uint32_t eNB_id;
+uint32_t s1ap_generate_eNB_id(void)
+{
   /* Retrieve the host name */
-  ret = gethostname(hostname, sizeof(hostname));
+  char hostname[32] = {0};
+  int const ret = gethostname(hostname, sizeof(hostname));
   DevAssert(ret == 0);
-  out = crypt(hostname, "eurecom");
-  DevAssert(out != NULL);
-  eNB_id = ((out[0] << 24) | (out[1] << 16) | (out[2] << 8) | out[3]);
+
+  uint8_t key[32] = {"eurecom"};
+  byte_array_t data = {.len = 32, .buf = (uint8_t *)hostname};
+
+  uint8_t out[32] = {0};
+  kdf(key, data, 32, out);
+
+  uint32_t const eNB_id = ((out[0] << 24) | (out[1] << 16) | (out[2] << 8) | out[3]);
   return eNB_id;
 }
 

openair3/SECU/kdf.h

@@ -24,7 +24,7 @@
 
 #include <stdint.h>
 #include <stdlib.h>
-#include "byte_array.h"
+#include "common/utils/ds/byte_array.h"
 
 void kdf(const uint8_t key[32], byte_array_t data, size_t len, uint8_t out[len]);