1 files changed, 52 insertions, 0 deletions
diff --git a/openbsc/src/libvlr/vlr_auth_fsm.h b/openbsc/src/libvlr/vlr_auth_fsm.h
new file mode 100644
index 000000000..226435f83
--- /dev/null
+++ b/openbsc/src/libvlr/vlr_auth_fsm.h
@@ -0,0 +1,52 @@
+#pragma once
+
+#include <osmocom/core/utils.h>
+
+/* Parameters to VLR_AUTH_E_MS_AUTH_RESP */
+struct vlr_auth_resp_par {
+	bool is_r99;
+	bool is_utran;
+	const uint8_t *res;
+	unsigned int res_len;
+	const uint8_t *auts;
+};
+
+/* Result communicated back to parent FMS */
+enum vlr_auth_fsm_result {
+	VLR_AUTH_RES_ABORTED,
+	VLR_AUTH_RES_UNKNOWN_SUBSCR,
+	VLR_AUTH_RES_PROC_ERR,
+	VLR_AUTH_RES_AUTH_FAILED,
+	VLR_AUTH_RES_PASSED,
+};
+
+extern const struct value_string vlr_auth_fsm_result_names[];
+static inline const char *vlr_auth_fsm_result_name(enum vlr_auth_fsm_result val)
+{
+	return get_value_string(vlr_auth_fsm_result_names, val);
+}
+
+enum vlr_fsm_auth_event {
+	VLR_AUTH_E_START,
+	/* TS 23.018 OAS_VLR1(2): SendAuthInfo ACK from HLR */
+	VLR_AUTH_E_HLR_SAI_ACK,
+	/* TS 23.018 OAS_VLR1(2): SendAuthInfo NACK from HLR */
+	VLR_AUTH_E_HLR_SAI_NACK,
+	/* FIXME: merge with NACK? */
+	VLR_AUTH_E_HLR_SAI_ABORT,
+	/* Authentication Response from MS */
+	VLR_AUTH_E_MS_AUTH_RESP,
+	/* Authentication Failure from MS */
+	VLR_AUTH_E_MS_AUTH_FAIL,
+	/* Identity Response (IMSI) from MS */
+	VLR_AUTH_E_MS_ID_IMSI,
+};
+
+struct osmo_fsm vlr_auth_fsm;
+
+struct osmo_fsm_inst *auth_fsm_start(struct vlr_subscr *vsub,
+				     uint32_t log_level,
+				     struct osmo_fsm_inst *parent,
+				     uint32_t parent_term_event,
+				     bool is_r99,
+				     bool is_utran);