Experimental: fix libssh2 workflow with Docker 29

Author: padelsbach

.github/workflows/libssh2.yml

@@ -67,20 +67,32 @@ jobs:
           ref: libssh2-${{ matrix.ref }}
           path: libssh2
 
+      - name: Update libssh2 test to use a stable version of debian
+        working-directory: libssh2
+        run: |
+            sed -i 's/testing-slim/oldstable-slim/' tests/openssh_server/Dockerfile
+
+      - name: Fix Docker port binding for Docker 29
+        working-directory: libssh2
+        run: |
+          sed -i 's/docker run --rm -d -p 22/docker run --rm -d -p 127.0.0.1::22/' tests/openssh_fixture.c
+
       - name: Build libssh2
         working-directory: libssh2
         run: |
           autoreconf -fi
           ./configure --with-crypto=wolfssl --with-libwolfssl-prefix=$GITHUB_WORKSPACE/build-dir
 
-      - name: Update libssh2 test to use a stable version of debian
-        working-directory: libssh2
+      - name: Diagnostics
         run: |
-            sed -i 's/testing-slim/oldstable-slim/' tests/openssh_server/Dockerfile
+          docker --version
+          id=$(docker run --rm -d -p 127.0.0.1::22 debian:oldstable-slim sleep 10)
+          docker inspect --format '{{ json .NetworkSettings.Ports }}' "$id"
+          docker stop "$id"
 
       - name: Run libssh2 tests
         working-directory: libssh2
-        run: make -j check
+        run: make check
 
       - name: Confirm libssh2 built with wolfSSL
         run: ldd libssh2/src/.libs/libssh2.so | grep wolfssl