Store the name of the daemon that initialized libhydra to load daemon-specific settings.

src/charon/charon.c

@@ -289,7 +289,7 @@ int main(int argc, char *argv[])
 		exit(SS_RC_DAEMON_INTEGRITY);
 	}
 
-	if (!libhydra_init())
+	if (!libhydra_init("charon"))
 	{
 		dbg_stderr(1, "initialization failed - aborting charon");
 		libhydra_deinit();

src/libhydra/hydra.c

@@ -42,6 +42,7 @@ void libhydra_deinit()
 {
 	private_hydra_t *this = (private_hydra_t*)hydra;
 	this->public.attributes->destroy(this->public.attributes);
+	free((void*)this->public.daemon);
 	free(this);
 	hydra = NULL;
 }
@@ -49,13 +50,14 @@ void libhydra_deinit()
 /**
  * Described in header.
  */
-bool libhydra_init()
+bool libhydra_init(const char *daemon)
 {
 	private_hydra_t *this;
 
 	INIT(this,
 		.public = {
 			.attributes = attribute_manager_create(),
+			.daemon = strdup(daemon ?: "libhydra"),
 		},
 	);
 	hydra = &this->public;

src/libhydra/hydra.h

@@ -44,6 +44,11 @@ struct hydra_t {
 	 * manager for payload attributes
 	 */
 	attribute_manager_t *attributes;
+
+	/**
+	 * name of the daemon that initialized the library
+	 */
+	const char *daemon;
 };
 
 /**
@@ -56,9 +61,12 @@ extern hydra_t *hydra;
 /**
  * Initialize libhydra.
  *
+ * The daemon's name is used to load daemon-specific settings.
+ *
+ * @param daemon		name of the daemon that initializes the library
  * @return				FALSE if integrity check failed
  */
-bool libhydra_init();
+bool libhydra_init(const char *daemon);
 
 /**
  * Deinitialize libhydra.

src/pluto/plutomain.c

@@ -275,7 +275,7 @@ int main(int argc, char **argv)
 		library_deinit();
 		exit(SS_RC_DAEMON_INTEGRITY);
 	}
-	if (!libhydra_init())
+	if (!libhydra_init("pluto"))
 	{
 		libhydra_deinit();
 		library_deinit();