MDEV-36398 Extend SBOM with 'license' and 'copyright'

Store auxillary information for 3rd party projects, such as license
identifier, CPE vendor and product, copyright statement in a cmake file.

cmake/3rdparty_info.cmake

@@ -0,0 +1,37 @@
+# This file is used for SBOM generation.
+
+# It consists of the list of 3rd party products
+# which can be compiled together with MariaDB server
+# and their licenses, copyright notices, and CPE prefixes
+# this is the vendor:product part of CPE identifier from
+# https://nvd.nist.gov/products/cpe
+
+# We use both git submodules, and CMake external projects
+# dependencies (as well we zlib, which is part of the code)
+# so the information is here for all these types
+
+SET("zlib.license" "Zlib")
+SET("zlib.copyright" "Copyright (C) 1995-2024 Jean-loup Gailly and Mark Adler")
+SET("zlib.cpe-prefix" "zlib:zlib")
+SET("minizip.license" "Zlib")
+SET("minizip.copyright" "Copyright (C) 1995-2024 Jean-loup Gailly and Mark Adler")
+SET("minizip.cpe-prefix" "zlib:zlib")
+SET("fmt.license" "MIT")
+SET("fmt.copyright" "Copyright (C) 2012 - present, Victor Zverovich")
+SET("fmt.cpe-prefix" "fmt:fmt")
+SET("pcre2.license" "BSD-3-Clause")
+SET("pcre2.cpe-prefix" "pcre:pcre2")
+SET("wolfssl.license" "GPL-2.0")
+SET("wolfssl.copyright" "Copyright (C) 2006-2024 wolfSSL Inc.")
+SET("wolfssl.cpe-prefix" "wolfssl:wolfssl")
+SET("boost.license" "BSL-1.0")
+SET("boost.cpe-prefix" "boost:boost")
+SET("mariadb-connector-c.license" "LGPL-2.1")
+SET("mariadb-connector-c.cpe-prefix" "mariadb:connector\\\\/c")
+SET("rocksdb.license" "GPL-2.0")
+SET("wsrep-lib.license" "GPL-2.0")
+SET("wsrep-api.license" "GPL-2.0")
+SET("mariadb-columnstore-engine.license" "GPL-2.0")
+SET("libmarias3.license" "LGPL-2.1")
+SET("thrift.license" "Apache-2.0")
+SET("thrift.cpe-prefix" "apache:thrift")

cmake/generate_sbom.cmake

@@ -36,30 +36,23 @@ ENDMACRO()
 
 # Get CPE ID ( https://en.wikipedia.org/wiki/Common_Platform_Enumeration )
 # for given project name and version
-# Only "known" CPEs are handled here, e.g currently no CPE for rocksdb
+# CPE prefix are stored with other auxilliary info in the 3rdparty_info.cmake
+# file
 FUNCTION(SBOM_GET_CPE name version var)
-  SET(cpe_prefix_map
-    "zlib" "zlib:zlib"
-    "mariadb-connector-c" "mariadb:connector\\\\/c"
-    "wolfssl" "wolfssl:wolfssl"
-    "minizip" "zlib:zlib"
-    "pcre2" "pcre:pcre2"
-    "fmt" "fmt:fmt"
-    "boost" "boost:boost"
-    "thrift" "apache:thrift"
-  )
-  LIST(FIND cpe_prefix_map "${name}" idx_cpe_mapping)
-  # Version needs to have at least one dot character in it.
-  # Otherwise, we assume it is a git  hash, and do not generate CPE
-  STRING(FIND "${version}" "." idx_version_dot)
-  IF((idx_cpe_mapping GREATER -1) AND (idx_version_dot GREATER -1))
-    MATH(EXPR next_idx "${idx_cpe_mapping}+1")
-    LIST(GET cpe_prefix_map ${next_idx} cpe_name_and_vendor)
-    STRING(REGEX REPLACE "[^0-9\\.]" "" cleaned_version "${version}")
-    SET(${var} "cpe:2.3:a:${cpe_name_and_vendor}:${cleaned_version}:*:*:*:*:*:*:*" PARENT_SCOPE)
-  ELSE()
-    SET(${var} "" PARENT_SCOPE)
+  SET(${var} "" PARENT_SCOPE)
+  STRING(FIND "${version}" "." dot_idx)
+  IF(${dot_idx} EQUAL -1)
+    # Version does not have dot inside.
+    # mostly likely it is just a git hash
+    RETURN()
   ENDIF()
+  SET(cpe_name_and_vendor "${${repo_name_lower}.cpe-prefix}")
+  IF(NOT cpe_name_and_vendor)
+    RETURN()
+  ENDIF()
+
+  STRING(REGEX REPLACE "[^0-9\\.]" "" cleaned_version "${version}")
+  SET(${var} "cpe:2.3:a:${cpe_name_and_vendor}:${cleaned_version}:*:*:*:*:*:*:*" PARENT_SCOPE)
 ENDFUNCTION()
 
 # Add dependency on CMake ExternalProject.
@@ -97,8 +90,8 @@ ENDMACRO()
 # Perhaps it can always be "MariaDB", but security team recommendation is different
 # more towards "author"
 FUNCTION (sbom_get_supplier repo_name repo_user varname)
-  IF("${repo_name_SUPPLIER}")
-    SET(${varname} "${repo_name_SUPPLIER}" PARENT_SCOPE)
+  IF("${${repo_name}_SUPPLIER}")
+    SET(${varname} "${${repo_name}_SUPPLIER}" PARENT_SCOPE)
   ELSEIF (repo_name MATCHES "zlib|minizip")
     # stuff that is checked into out repos
     SET(${varname} "MariaDB" PARENT_SCOPE)
@@ -230,6 +223,7 @@ FUNCTION(GENERATE_SBOM)
       \"ref\": \"${CPACK_PACKAGE_NAME}\",
       \"dependsOn\": [" )
 
+  INCLUDE(3rdparty_info)
   SET(first ON)
   FOREACH(dep ${ALL_THIRD_PARTY})
     # Extract the part after the last "/" from URL
@@ -277,6 +271,14 @@ FUNCTION(GENERATE_SBOM)
     IF(cpe)
       SET(cpe "\n      \"cpe\": \"${cpe}\",")
     ENDIF()
+    SET(license "${${repo_name_lower}.license}")
+    IF(NOT license)
+      MESSAGE(FATAL_ERROR "no license for 3rd party dependency ${repo_name_lower}.")
+    ENDIF()
+    SET(copyright "${${repo_name_lower}.copyright}")
+    IF(NOT copyright)
+      SET(copyright NOASSERTION)
+    ENDIF()
     STRING(APPEND sbom_components "
     {
       \"bom-ref\": \"${bom_ref}\",
@@ -286,7 +288,15 @@ FUNCTION(GENERATE_SBOM)
       \"purl\": \"${purl}\",${cpe}
       \"supplier\": {
           \"name\": \"${supplier}\"
-       }
+       },
+      \"licenses\": [
+          {
+            \"license\": {
+              \"id\": \"${license}\"
+            }
+          }
+        ],
+      \"copyright\": \"${copyright}\"
     }")
     STRING(APPEND sbom_dependencies "
         \"${bom_ref}\"")
@@ -302,5 +312,6 @@ FUNCTION(GENERATE_SBOM)
   IF(NOT DEFINED CPACK_PACKAGE_VERSION)
     SET(CPACK_PACKAGE_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}")
   ENDIF()
+  STRING(TIMESTAMP CURRENT_YEAR "%Y")
   configure_file(${CMAKE_CURRENT_LIST_DIR}/cmake/sbom.json.in ${CMAKE_BINARY_DIR}/sbom.json)
 ENDFUNCTION()

cmake/sbom.json.in

@@ -20,7 +20,15 @@
         ]
       },
       "purl": "pkg:github/@GITHUB_REPO_USER@/@GITHUB_REPO_NAME@@@GIT_REV_SHORT@",
-      "cpe": "cpe:2.3:a:mariadb:mariadb:@CPACK_PACKAGE_VERSION@:*:*:*:*:*:*"
+      "cpe": "cpe:2.3:a:mariadb:mariadb:@CPACK_PACKAGE_VERSION@:*:*:*:*:*:*",
+      "licenses": [
+          {
+            "license": {
+              "id": "GPL-2.0"
+            }
+          }
+      ],
+      "copyright": "Copyright (C) @CURRENT_YEAR@ MariaDB plc, MariaDB Foundation and others"
     },
     "authors": [
       {