resolve: rename resolved-dnstls-openssl.c -> resolved-dnstls.c

and merge resolved-dnstls.h and resolved-dnstls-openssl.h.

Author: yuwata

src/resolve/meson.build

@@ -103,7 +103,7 @@ systemd_resolved_sources += custom_target(
 systemd_resolved_dependencies = [threads, libm] + [lib_openssl_or_gcrypt]
 if conf.get('ENABLE_DNS_OVER_TLS') == 1
         systemd_resolved_sources += files(
-                'resolved-dnstls-openssl.c',
+                'resolved-dnstls.c',
         )
         systemd_resolved_dependencies += libopenssl
 endif

src/resolve/resolved-dnstls-openssl.h

@@ -3,18 +3,35 @@
 
 #if ENABLE_DNS_OVER_TLS
 
+#if !HAVE_OPENSSL
+#error This source file requires OpenSSL to be available.
+#endif
+
+#include <openssl/ssl.h>
+#include <stdbool.h>
 #include <stdint.h>
 #include <sys/uio.h>
 
-#include "resolved-dnstls-openssl.h"
-
 typedef struct DnsServer DnsServer;
 typedef struct DnsStream DnsStream;
-typedef struct DnsTlsManagerData DnsTlsManagerData;
-typedef struct DnsTlsServerData DnsTlsServerData;
-typedef struct DnsTlsStreamData DnsTlsStreamData;
 typedef struct Manager Manager;
 
+typedef struct DnsTlsManagerData {
+        SSL_CTX *ctx;
+} DnsTlsManagerData;
+
+typedef struct DnsTlsServerData {
+        SSL_SESSION *session;
+} DnsTlsServerData;
+
+typedef struct DnsTlsStreamData {
+        int handshake;
+        bool shutdown;
+        SSL *ssl;
+        BUF_MEM *write_buffer;
+        size_t buffer_offset;
+} DnsTlsStreamData;
+
 #define DNSTLS_STREAM_CLOSED 1
 
 int dnstls_stream_connect_tls(DnsStream *stream, DnsServer *server);