lib/pb-protocol: Add PB_PROTOCOL_ACTION_AUTHENTICATE

Add a new "authenticate" action. Depending on the 'op' field this is
either a) an authentication request, b) a response indicating the
result, or c) a request to change the password.

Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/lib/pb-protocol/pb-protocol.h b/lib/pb-protocol/pb-protocol.h
index 14fd8a2..1d6c048 100644
--- a/lib/pb-protocol/pb-protocol.h
+++ b/lib/pb-protocol/pb-protocol.h
@@ -27,6 +27,7 @@ enum pb_protocol_action {
 	PB_PROTOCOL_ACTION_PLUGINS_REMOVE	= 0xd,
 	PB_PROTOCOL_ACTION_PLUGIN_INSTALL	= 0xe,
 	PB_PROTOCOL_ACTION_TEMP_AUTOBOOT	= 0xf,
+	PB_PROTOCOL_ACTION_AUTHENTICATE		= 0x10,
 };
 
 struct pb_protocol_message {
@@ -35,6 +36,24 @@ struct pb_protocol_message {
 	char     payload[];
 };
 
+enum auth_msg_type {
+	AUTH_MSG_REQUEST,
+	AUTH_MSG_RESPONSE,
+	AUTH_MSG_SET,
+};
+
+struct auth_message {
+	enum auth_msg_type op;
+	union {
+		bool	authenticated;
+		char	*password;
+		struct {
+			char	*password;
+			char	*new_password;
+		} set_password;
+	};
+};
+
 void pb_protocol_dump_device(const struct device *dev, const char *text,
 	FILE *stream);
 int pb_protocol_device_len(const struct device *dev);
@@ -46,6 +65,7 @@ int pb_protocol_config_len(const struct config *config);
 int pb_protocol_url_len(const char *url);
 int pb_protocol_plugin_option_len(const struct plugin_option *opt);
 int pb_protocol_temp_autoboot_len(const struct autoboot_option *opt);
+int pb_protocol_authenticate_len(struct auth_message *msg);
 int pb_protocol_device_cmp(const struct device *a, const struct device *b);
 
 int pb_protocol_boot_option_cmp(const struct boot_option *a,
@@ -72,6 +92,8 @@ int pb_protocol_serialise_plugin_option(const struct plugin_option *opt,
 		char *buf, int buf_len);
 int pb_protocol_serialise_temp_autoboot(const struct autoboot_option *opt,
 		char *buf, int buf_len);
+int pb_protocol_serialise_authenticate(struct auth_message *msg,
+		char *buf, int buf_len);
 
 int pb_protocol_write_message(int fd, struct pb_protocol_message *message);
 
@@ -100,6 +122,10 @@ int pb_protocol_deserialise_config(struct config *config,
 
 int pb_protocol_deserialise_plugin_option(struct plugin_option *opt,
 		const struct pb_protocol_message *message);
+
 int pb_protocol_deserialise_temp_autoboot(struct autoboot_option *opt,
 		const struct pb_protocol_message *message);
+
+int pb_protocol_deserialise_authenticate(struct auth_message *msg,
+		const struct pb_protocol_message *message);
 #endif /* _PB_PROTOCOL_H */