cli: add --list-config option

With this option gnutls-cli prints the build-time configuration of the
library, retrieved through gnutls_get_library_config.

Signed-off-by: Daiki Ueno <ueno@gnu.org>

2 files changed, 15 insertions, 1 deletions

diff --git a/src/cli.c b/src/cli.c
index 09f7efc2c3..5378b72256 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -1640,6 +1640,15 @@ static void cmd_parser(int argc, char **argv)
 		exit(1);
 	}
 
+	if (HAVE_OPT(LIST_CONFIG)) {
+		const gnutls_library_config_st *p;
+
+		for (p = gnutls_get_library_config(); p->name; p++) {
+			log_msg(stdout, "%s: %s\n", p->name, p->value);
+		}
+		exit(0);
+	}
+
 	if (HAVE_OPT(BENCHMARK_CIPHERS)) {
 		benchmark_cipher(OPT_VALUE_DEBUG);
 		exit(0);
diff --git a/src/gnutls-cli-options.json b/src/gnutls-cli-options.json
index 0777e6b198..bffa18e365 100644
--- a/src/gnutls-cli-options.json
+++ b/src/gnutls-cli-options.json
@@ -387,6 +387,11 @@
         "desc": "Reports the status of the FIPS140-2 mode in gnutls library"
       },
       {
+        "detail": "",
+        "long-option": "list-config",
+        "desc": "Reports the configuration of the library"
+      },
+      {
         "desc": "Redirect informational messages to a specific file.",
         "arg-type": "string",
         "long-option": "logfile",
@@ -418,4 +423,4 @@
       }
     ]
   }
-]
\ No newline at end of file
+]