Add application iteration method.

src/servers/keystore/Keyring.cpp

@@ -103,6 +103,30 @@ Keyring::KeyMessage() const
 }
 
 
+status_t
+Keyring::GetNextApplication(uint32& cookie, BString& signature,
+	BString& path)
+{
+	char* nameFound = NULL;
+	status_t result = fApplications.GetInfo(B_MESSAGE_TYPE, cookie++,
+		&nameFound, NULL);
+	if (result != B_OK)
+		return B_ENTRY_NOT_FOUND;
+
+	BMessage appMessage;
+	result = fApplications.FindMessage(nameFound, &appMessage);
+	if (result != B_OK)
+		return B_ENTRY_NOT_FOUND;
+
+	result = appMessage.FindString("path", &path);
+	if (result != B_OK)
+		return B_ERROR;
+
+	signature = nameFound;
+	return B_OK;
+}
+
+
 status_t
 Keyring::FindApplication(const char* signature, const char* path,
 	BMessage& appMessage)

src/servers/keystore/Keyring.h

@@ -25,6 +25,8 @@ public:
 		bool						IsAccessible() const;
 		const BMessage&				KeyMessage() const;
 
+		status_t					GetNextApplication(uint32& cookie,
+										BString& signature, BString& path);
 		status_t					FindApplication(const char* signature,
 										const char* path, BMessage& appMessage);
 		status_t					AddApplication(const char* signature,