tidy-up: drop BearSSL and Secure Transport reference remains

Follow-up to 08a3e8e19a #16677

Closes #17582

.github/workflows/macos.yml

@@ -39,9 +39,7 @@ permissions: {}
 # deprecation warnings with llvm/clang:
 #
 # - 10.7  Lion (2011)          - GSS
-# - 10.8  Mountain Lion (2012) - CFURLCreateDataAndPropertiesFromResource (used by curl Secure Transport code)
 # - 10.9  Mavericks (2013)     - LDAP
-# - 10.14 Mojave (2018)        - Secure Transport
 #
 
 env:
@@ -359,13 +357,11 @@ jobs:
       CC: '${{ matrix.compiler }}'
       MATRIX_BUILD: '${{ matrix.build }}'
       MATRIX_COMPILER: '${{ matrix.compiler }}'
-      MATRIX_CONFIG: '${{ matrix.config }}'
       MATRIX_IMAGE: '${{ matrix.image }}'
       MATRIX_MACOS_VERSION_MIN: '${{ matrix.macos-version-min }}'
     strategy:
       fail-fast: false
       matrix:
-        config: [OpenSSL]
         compiler: [gcc-12, gcc-13, gcc-14, llvm@15, llvm@18, clang]
         # Xcode support matrix as of 2024-07, with default macOS SDK versions and OS names, years:
         # * = default Xcode on the runner.
@@ -459,7 +455,6 @@ jobs:
           fi
 
           if [ "${MATRIX_BUILD}" = 'cmake' ]; then
-            [ "${MATRIX_CONFIG}" = 'OpenSSL' ]         && options+=' -DCURL_USE_OPENSSL=ON'
             [ -n "${MATRIX_MACOS_VERSION_MIN}" ] && options+=" -DCMAKE_OSX_DEPLOYMENT_TARGET=${MATRIX_MACOS_VERSION_MIN}"
             # would pick up nghttp2, libidn2, and libssh2
             cmake -B bld -G Ninja -D_CURL_PREFILL=ON \
@@ -468,6 +463,7 @@ jobs:
               -DCMAKE_C_COMPILER_TARGET="$(uname -m | sed 's/arm64/aarch64/')-apple-darwin$(uname -r)" \
               -DCMAKE_IGNORE_PREFIX_PATH="$(brew --prefix)" \
               -DBUILD_LIBCURL_DOCS=OFF -DBUILD_MISC_DOCS=OFF -DENABLE_CURL_MANUAL=OFF \
+              -DCURL_USE_OPENSSL=ON \
               -DUSE_NGHTTP2=OFF -DUSE_LIBIDN2=OFF \
               -DCURL_USE_LIBPSL=OFF -DCURL_USE_LIBSSH2=OFF \
               ${options}
@@ -480,12 +476,12 @@ jobs:
               options+=" --with-sysroot=${sysroot}"
               CFLAGS+=" --sysroot=${sysroot}"
             fi
-            [ "${MATRIX_CONFIG}" = 'OpenSSL' ]         && options+=" --with-openssl=$(brew --prefix openssl)"
             [ -n "${MATRIX_MACOS_VERSION_MIN}" ] && CFLAGS+=" -mmacosx-version-min=${MATRIX_MACOS_VERSION_MIN}"
             # would pick up nghttp2, libidn2, but libssh2 is disabled by default
             mkdir bld && cd bld && ../configure --enable-unity --enable-test-bundles --enable-warnings --enable-werror \
               --disable-dependency-tracking \
               --disable-docs --disable-manual \
+              --with-openssl="$(brew --prefix openssl)" \
               --without-nghttp2 --without-libidn2 \
               --without-libpsl \
               ${options}

docs/cmdline-opts/ca-native.md

@@ -37,7 +37,6 @@ is equivalent to using the Mozilla CA certificate bundle. When used with rustls
 _only_ the native CA store is consulted, not other locations set at run time or
 build time. (Added in 8.13.0)
 
-This option currently has no effect for Schannel or Secure Transport. Those are
-native TLS libraries from Microsoft and Apple, respectively, that by default
-use the native CA store for verification unless overridden by a CA certificate
-location setting.
+This option currently has no effect for Schannel. This is the native TLS
+library from Microsoft, that by default uses the native CA store for
+verification unless overridden by a CA certificate location setting.

docs/cmdline-opts/proxy.md

@@ -28,8 +28,8 @@ Unix domain sockets are supported for socks proxy. Set localhost for the host
 part. e.g. socks5h://localhost/path/to/socket.sock
 
 HTTPS proxy support works with the https:// protocol prefix for OpenSSL and
-GnuTLS (added in 7.52.0). It also works for BearSSL, mbedTLS, Rustls, Schannel
-and wolfSSL (added in 7.87.0).
+GnuTLS (added in 7.52.0). It also works for mbedTLS, Rustls, Schannel and
+wolfSSL (added in 7.87.0).
 
 Unrecognized and unsupported proxy protocols cause an error (added in 7.52.0).
 Ancient curl versions ignored unknown schemes and used http:// instead.

tests/data/test2089

@@ -26,8 +26,6 @@ MooMoo
 <features>
 SSL
 !Schannel
-!sectransp
-!bearssl
 local-http
 </features>
 <server>

tests/http/test_17_ssl_use.py

@@ -503,7 +503,7 @@ class TestSSLUse:
     def test_17_19_wrong_pin(self, env: Env, proto, httpd):
         if proto == 'h3' and not env.have_h3():
             pytest.skip("h3 not supported")
-        if env.curl_uses_any_libs(['bearssl', 'rustls-ffi']):
+        if env.curl_uses_lib('rustls-ffi'):
             pytest.skip('TLS backend ignores --pinnedpubkey')
         curl = CurlClient(env=env)
         url = f'https://{env.authority_for(env.domain1, proto)}/curltest/sslinfo'

tests/unit/unit1657.c

@@ -35,8 +35,7 @@ static void unit_stop(void)
 
 }
 
-#if defined(USE_GNUTLS) || defined(USE_SCHANNEL) || defined(USE_SECTRANSP) || \
-  defined(USE_MBEDTLS)
+#if defined(USE_GNUTLS) || defined(USE_SCHANNEL) || defined(USE_MBEDTLS)
 
 struct test1657_spec {
   CURLcode (*setbuf)(struct test1657_spec *spec, struct dynbuf *buf);