Add CID interop with mbedtls

.github/workflows/hostap-vm.yml

@@ -13,7 +13,7 @@ concurrency:
 # END OF COMMON SECTION
 
 env:
-  LINUX_REF: v6.6
+  LINUX_REF: v6.12
 
 jobs:
   build_wolfssl:
@@ -91,6 +91,7 @@ jobs:
         with:
           repository: torvalds/linux
           path: linux
+          ref: ${{ env.LINUX_REF }}
 
       - name: Compile linux
         if: steps.cache.outputs.cache-hit != 'true'
@@ -141,7 +142,6 @@ jobs:
               build_id: hostap-vm-build2
             }
     name: hwsim test
-    # For openssl 1.1
     if: github.repository_owner == 'wolfssl'
     runs-on: ubuntu-latest
     # This should be a safe limit for the tests to run.

.github/workflows/mbedtls.sh

@@ -0,0 +1,77 @@
+set -e
+set -x
+
+# Basic TLS test
+./mbedtls/build/programs/ssl/ssl_server2 2>&1 > /tmp/server.log &
+SERVER_PID=$!
+sleep 0.1
+./mbedtls/build/programs/ssl/ssl_client2 # Confirm working with mbed
+env -C wolfssl ./examples/client/client -p 4433 -g \
+  -A ../mbedtls/framework/data_files/test-ca-sha256.crt \
+  -c ../mbedtls/framework/data_files/cli-rsa-sha256.crt \
+  -k ../mbedtls/framework/data_files/cli-rsa-sha256.key.pem
+kill $SERVER_PID
+sleep 0.1
+env -C wolfssl ./examples/server/server -p 4433 -i -g \
+  -A ../mbedtls/framework/data_files/test-ca-sha256.crt \
+  -c ../mbedtls/framework/data_files/server2-sha256.crt \
+  -k ../mbedtls/framework/data_files/server2.key.pem 2>&1 > /tmp/server.log &
+SERVER_PID=$!
+sleep 0.1
+./mbedtls/build/programs/ssl/ssl_client2
+env -C wolfssl ./examples/client/client -p 4433 -g \
+  -A ../mbedtls/framework/data_files/test-ca-sha256.crt \
+  -c ../mbedtls/framework/data_files/cli-rsa-sha256.crt \
+  -k ../mbedtls/framework/data_files/cli-rsa-sha256.key.pem
+kill $SERVER_PID
+sleep 0.1
+
+# Basic DTLS test
+./mbedtls/build/programs/ssl/ssl_server2 dtls=1 2>&1 > /tmp/server.log &
+SERVER_PID=$!
+sleep 0.1
+./mbedtls/build/programs/ssl/ssl_client2 dtls=1 # Confirm working with mbed
+env -C wolfssl ./examples/client/client -p 4433 -g -u \
+  -A ../mbedtls/framework/data_files/test-ca-sha256.crt \
+  -c ../mbedtls/framework/data_files/cli-rsa-sha256.crt \
+  -k ../mbedtls/framework/data_files/cli-rsa-sha256.key.pem
+kill $SERVER_PID
+sleep 0.1
+env -C wolfssl ./examples/server/server -p 4433 -i -g -u \
+  -A ../mbedtls/framework/data_files/test-ca-sha256.crt \
+  -c ../mbedtls/framework/data_files/server2-sha256.crt \
+  -k ../mbedtls/framework/data_files/server2.key.pem 2>&1 > /tmp/server.log &
+SERVER_PID=$!
+sleep 0.1
+env -C wolfssl ./examples/client/client -p 4433 -g -u \
+  -A ../mbedtls/framework/data_files/test-ca-sha256.crt \
+  -c ../mbedtls/framework/data_files/cli-rsa-sha256.crt \
+  -k ../mbedtls/framework/data_files/cli-rsa-sha256.key.pem
+./mbedtls/build/programs/ssl/ssl_client2 dtls=1
+kill $SERVER_PID
+sleep 0.1
+
+# DTLS 1.2 CID test
+./mbedtls/build/programs/ssl/ssl_server2 dtls=1 cid=1 cid_val=121212  2>&1 > /tmp/server.log &
+SERVER_PID=$!
+sleep 0.1
+./mbedtls/build/programs/ssl/ssl_client2 dtls=1 cid=1 cid_val=232323  # Confirm working with mbed
+env -C wolfssl ./examples/client/client -p 4433 -g -u --cid 232323 \
+  -A ../mbedtls/framework/data_files/test-ca-sha256.crt \
+  -c ../mbedtls/framework/data_files/cli-rsa-sha256.crt \
+  -k ../mbedtls/framework/data_files/cli-rsa-sha256.key.pem
+kill $SERVER_PID
+sleep 0.1
+env -C wolfssl ./examples/server/server -p 4433 -i -g -u --cid 121212 \
+  -A ../mbedtls/framework/data_files/test-ca-sha256.crt \
+  -c ../mbedtls/framework/data_files/server2-sha256.crt \
+  -k ../mbedtls/framework/data_files/server2.key.pem 2>&1 > /tmp/server.log &
+SERVER_PID=$!
+sleep 0.1
+./mbedtls/build/programs/ssl/ssl_client2 dtls=1 cid_val=232323
+env -C wolfssl ./examples/client/client -p 4433 -g -u --cid 232323 \
+  -A ../mbedtls/framework/data_files/test-ca-sha256.crt \
+  -c ../mbedtls/framework/data_files/cli-rsa-sha256.crt \
+  -k ../mbedtls/framework/data_files/cli-rsa-sha256.key.pem
+kill $SERVER_PID
+sleep 0.1

.github/workflows/mbedtls.yml

@@ -0,0 +1,89 @@
+name: mbedtls interop Tests
+
+# START OF COMMON SECTION
+on:
+  push:
+    branches: [ 'master', 'main', 'release/**' ]
+  pull_request:
+    branches: [ '*' ]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+# END OF COMMON SECTION
+
+env:
+  MBED_REF: v3.6.2
+
+jobs:
+  build_mbedtls:
+    name: Build mbedtls
+    if: github.repository_owner == 'wolfssl'
+    runs-on: ubuntu-latest
+    # This should be a safe limit for the tests to run.
+    timeout-minutes: 10
+    steps:
+      - name: Checking if we have mbed in cache
+        uses: actions/cache@v4
+        id: cache
+        with:
+          path: mbedtls
+          key: ${{ env.MBED_REF }}
+          lookup-only: true
+
+      - name: Checkout mbedtls
+        if: steps.cache.outputs.cache-hit != 'true'
+        uses: actions/checkout@v4
+        with:
+          repository: Mbed-TLS/mbedtls
+          ref: ${{ env.MBED_REF }}
+          path: mbedtls
+
+      - name: Compile mbedtls
+        if: steps.cache.outputs.cache-hit != 'true'
+        working-directory: mbedtls
+        run: |
+          git submodule update --init
+          mkdir build
+          cd build
+          cmake ..
+          make -j
+          # convert key to pem format
+          openssl pkey -in framework/data_files/cli-rsa-sha256.key.der -text > framework/data_files/cli-rsa-sha256.key.pem
+          openssl pkey -in framework/data_files/server2.key.der -text > framework/data_files/server2.key.pem
+
+  mbedtls_test:
+    name: Test interop with mbedtls
+    runs-on: ubuntu-latest
+    needs: build_mbedtls
+    timeout-minutes: 10
+    if: github.repository_owner == 'wolfssl'
+    steps:
+      - name: Disable IPv6 (IMPORTANT, OTHERWISE DTLS MBEDTLS CLIENT WON'T CONNECT)
+        run: echo 1 | sudo tee /proc/sys/net/ipv6/conf/lo/disable_ipv6
+
+      - name: Checking if we have mbed in cache
+        uses: actions/cache/restore@v4
+        id: cache
+        with:
+          path: mbedtls
+          key: ${{ env.MBED_REF }}
+          fail-on-cache-miss: true
+
+      - name: Build wolfSSL
+        uses: wolfSSL/actions-build-autotools-project@v1
+        with:
+          path: wolfssl
+          configure: --enable-dtls --enable-dtlscid
+          install: false
+          check: false
+
+      - name: Test interop
+        run: bash wolfssl/.github/workflows/mbedtls.sh
+
+      - name: print server logs
+        if: ${{ failure() }}
+        run: |
+          sudo chown $USER:$USER /tmp/dump.pcap
+          cat /tmp/server.log
+

configure.ac

@@ -4996,10 +4996,6 @@ AC_ARG_ENABLE([dtlscid],
     )
 if test "x$ENABLED_DTLS_CID" = "xyes"
 then
-        if test "x$ENABLED_DTLS13" != "xyes"
-        then
-                AC_MSG_ERROR([You need to enable DTLSv1.3 to use DTLS ConnectionID])
-        fi
   AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_DTLS_CID"
 fi
 

wolfssl/wolfcrypt/settings.h

@@ -4070,10 +4070,6 @@ extern void uITRON4_free(void *p) ;
 #error "DTLS v1.3 requires both WOLFSSL_TLS13 and WOLFSSL_DTLS"
 #endif
 
-#if defined(WOLFSSL_DTLS_CID) && !defined(WOLFSSL_DTLS13)
-#error "ConnectionID is supported for DTLSv1.3 only"
-#endif
-
 #if defined(WOLFSSL_QUIC) && defined(WOLFSSL_CALLBACKS)
     #error WOLFSSL_QUIC is incompatible with WOLFSSL_CALLBACKS.
 #endif