nghttpx: Rename ssl_* log variables as tls_*

The exiting ssl_* log variables still work for backward compatibility.

gennghttpxfun.py

@@ -184,6 +184,10 @@ LOGVARS = [
     "ssl_protocol",
     "ssl_session_id",
     "ssl_session_reused",
+    "tls_cipher",
+    "tls_protocol",
+    "tls_session_id",
+    "tls_session_reused",
     "backend_host",
     "backend_port",
 ]

src/shrpx.cc

@@ -2447,10 +2447,10 @@ Logging:
               * $alpn: ALPN identifier of the protocol which generates
                 the response.   For HTTP/1,  ALPN is  always http/1.1,
                 regardless of minor version.
-              * $ssl_cipher: cipher used for SSL/TLS connection.
-              * $ssl_protocol: protocol for SSL/TLS connection.
-              * $ssl_session_id: session ID for SSL/TLS connection.
-              * $ssl_session_reused:  "r"   if  SSL/TLS   session  was
+              * $tls_cipher: cipher used for SSL/TLS connection.
+              * $tls_protocol: protocol for SSL/TLS connection.
+              * $tls_session_id: session ID for SSL/TLS connection.
+              * $tls_session_reused:  "r"   if  SSL/TLS   session  was
                 reused.  Otherwise, "."
               * $backend_host:  backend  host   used  to  fulfill  the
                 request.  "-" if backend host is not available.

src/shrpx_config.cc

@@ -419,6 +419,9 @@ LogFragmentType log_var_lookup_token(const char *name, size_t namelen) {
       if (util::strieq_l("ssl_ciphe", name, 9)) {
         return SHRPX_LOGF_SSL_CIPHER;
       }
+      if (util::strieq_l("tls_ciphe", name, 9)) {
+        return SHRPX_LOGF_TLS_CIPHER;
+      }
       break;
     }
     break;
@@ -455,6 +458,9 @@ LogFragmentType log_var_lookup_token(const char *name, size_t namelen) {
       if (util::strieq_l("ssl_protoco", name, 11)) {
         return SHRPX_LOGF_SSL_PROTOCOL;
       }
+      if (util::strieq_l("tls_protoco", name, 11)) {
+        return SHRPX_LOGF_TLS_PROTOCOL;
+      }
       break;
     case 't':
       if (util::strieq_l("backend_hos", name, 11)) {
@@ -472,6 +478,9 @@ LogFragmentType log_var_lookup_token(const char *name, size_t namelen) {
       if (util::strieq_l("ssl_session_i", name, 13)) {
         return SHRPX_LOGF_SSL_SESSION_ID;
       }
+      if (util::strieq_l("tls_session_i", name, 13)) {
+        return SHRPX_LOGF_TLS_SESSION_ID;
+      }
       break;
     }
     break;
@@ -490,6 +499,9 @@ LogFragmentType log_var_lookup_token(const char *name, size_t namelen) {
       if (util::strieq_l("ssl_session_reuse", name, 17)) {
         return SHRPX_LOGF_SSL_SESSION_REUSED;
       }
+      if (util::strieq_l("tls_session_reuse", name, 17)) {
+        return SHRPX_LOGF_TLS_SESSION_REUSED;
+      }
       break;
     }
     break;

src/shrpx_log.h

@@ -129,10 +129,14 @@ enum LogFragmentType {
   SHRPX_LOGF_REQUEST_TIME,
   SHRPX_LOGF_PID,
   SHRPX_LOGF_ALPN,
-  SHRPX_LOGF_SSL_CIPHER,
-  SHRPX_LOGF_SSL_PROTOCOL,
-  SHRPX_LOGF_SSL_SESSION_ID,
-  SHRPX_LOGF_SSL_SESSION_REUSED,
+  SHRPX_LOGF_TLS_CIPHER,
+  SHRPX_LOGF_SSL_CIPHER = SHRPX_LOGF_TLS_CIPHER,
+  SHRPX_LOGF_TLS_PROTOCOL,
+  SHRPX_LOGF_SSL_PROTOCOL = SHRPX_LOGF_TLS_PROTOCOL,
+  SHRPX_LOGF_TLS_SESSION_ID,
+  SHRPX_LOGF_SSL_SESSION_ID = SHRPX_LOGF_TLS_SESSION_ID,
+  SHRPX_LOGF_TLS_SESSION_REUSED,
+  SHRPX_LOGF_SSL_SESSION_REUSED = SHRPX_LOGF_TLS_SESSION_REUSED,
   SHRPX_LOGF_BACKEND_HOST,
   SHRPX_LOGF_BACKEND_PORT,
 };