remove libasn1c dependency and use asn1c without libasn1c
TODO: re-introduce talloc integration for asn1 runtime
Change-Id: I2140509c5359727f304470249be2a726b9a8deb1
diff --git a/include/osmocom/rspro/BIT_STRING.h b/include/osmocom/rspro/BIT_STRING.h
new file mode 100644
index 0000000..732e878
--- /dev/null
+++ b/include/osmocom/rspro/BIT_STRING.h
@@ -0,0 +1,33 @@
+/*-
+ * Copyright (c) 2003 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _BIT_STRING_H_
+#define _BIT_STRING_H_
+
+#include <OCTET_STRING.h> /* Some help from OCTET STRING */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct BIT_STRING_s {
+ uint8_t *buf; /* BIT STRING body */
+ int size; /* Size of the above buffer */
+
+ int bits_unused;/* Unused trailing bits in the last octet (0..7) */
+
+ asn_struct_ctx_t _asn_ctx; /* Parsing across buffer boundaries */
+} BIT_STRING_t;
+
+extern asn_TYPE_descriptor_t asn_DEF_BIT_STRING;
+
+asn_struct_print_f BIT_STRING_print; /* Human-readable output */
+asn_constr_check_f BIT_STRING_constraint;
+xer_type_encoder_f BIT_STRING_encode_xer;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BIT_STRING_H_ */
diff --git a/include/osmocom/rspro/BOOLEAN.h b/include/osmocom/rspro/BOOLEAN.h
new file mode 100644
index 0000000..8ea2892
--- /dev/null
+++ b/include/osmocom/rspro/BOOLEAN.h
@@ -0,0 +1,38 @@
+/*-
+ * Copyright (c) 2003 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _BOOLEAN_H_
+#define _BOOLEAN_H_
+
+#include <asn_application.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * The underlying integer may contain various values, but everything
+ * non-zero is capped to 0xff by the DER encoder. The BER decoder may
+ * yield non-zero values different from 1, beware.
+ */
+typedef int BOOLEAN_t;
+
+extern asn_TYPE_descriptor_t asn_DEF_BOOLEAN;
+
+asn_struct_free_f BOOLEAN_free;
+asn_struct_print_f BOOLEAN_print;
+ber_type_decoder_f BOOLEAN_decode_ber;
+der_type_encoder_f BOOLEAN_encode_der;
+xer_type_decoder_f BOOLEAN_decode_xer;
+xer_type_encoder_f BOOLEAN_encode_xer;
+per_type_decoder_f BOOLEAN_decode_uper;
+per_type_encoder_f BOOLEAN_encode_uper;
+per_type_decoder_f BOOLEAN_decode_aper;
+per_type_encoder_f BOOLEAN_encode_aper;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BOOLEAN_H_ */
diff --git a/include/osmocom/rspro/IA5String.h b/include/osmocom/rspro/IA5String.h
new file mode 100644
index 0000000..e2a909d
--- /dev/null
+++ b/include/osmocom/rspro/IA5String.h
@@ -0,0 +1,27 @@
+/*-
+ * Copyright (c) 2003 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _IA5String_H_
+#define _IA5String_H_
+
+#include <OCTET_STRING.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef OCTET_STRING_t IA5String_t; /* Implemented via OCTET STRING */
+
+/*
+ * IA5String ASN.1 type definition.
+ */
+extern asn_TYPE_descriptor_t asn_DEF_IA5String;
+
+asn_constr_check_f IA5String_constraint;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _IA5String_H_ */
diff --git a/include/osmocom/rspro/INTEGER.h b/include/osmocom/rspro/INTEGER.h
new file mode 100644
index 0000000..e8b36c7
--- /dev/null
+++ b/include/osmocom/rspro/INTEGER.h
@@ -0,0 +1,88 @@
+/*-
+ * Copyright (c) 2003, 2005 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _INTEGER_H_
+#define _INTEGER_H_
+
+#include <asn_application.h>
+#include <asn_codecs_prim.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef ASN__PRIMITIVE_TYPE_t INTEGER_t;
+
+extern asn_TYPE_descriptor_t asn_DEF_INTEGER;
+
+/* Map with <tag> to integer value association */
+typedef struct asn_INTEGER_enum_map_s {
+ int64_t nat_value; /* associated native integer value */
+ size_t enum_len; /* strlen("tag") */
+ const char *enum_name; /* "tag" */
+} asn_INTEGER_enum_map_t;
+
+/* This type describes an enumeration for INTEGER and ENUMERATED types */
+typedef const struct asn_INTEGER_specifics_s {
+ const asn_INTEGER_enum_map_t *value2enum; /* N -> "tag"; sorted by N */
+ const unsigned int *enum2value; /* "tag" => N; sorted by tag */
+ int map_count; /* Elements in either map */
+ int extension; /* This map is extensible */
+ int strict_enumeration; /* Enumeration set is fixed */
+ int field_width; /* Size of native integer */
+ int field_unsigned; /* Signed=0, unsigned=1 */
+} asn_INTEGER_specifics_t;
+
+asn_struct_print_f INTEGER_print;
+ber_type_decoder_f INTEGER_decode_ber;
+der_type_encoder_f INTEGER_encode_der;
+xer_type_decoder_f INTEGER_decode_xer;
+xer_type_encoder_f INTEGER_encode_xer;
+per_type_decoder_f INTEGER_decode_uper;
+per_type_encoder_f INTEGER_encode_uper;
+per_type_decoder_f INTEGER_decode_aper;
+per_type_encoder_f INTEGER_encode_aper;
+
+/***********************************
+ * Some handy conversion routines. *
+ ***********************************/
+
+/*
+ * Returns 0 if it was possible to convert, -1 otherwise.
+ * -1/EINVAL: Mandatory argument missing
+ * -1/ERANGE: Value encoded is out of range for long representation
+ * -1/ENOMEM: Memory allocation failed (in asn_long2INTEGER()).
+ */
+int asn_INTEGER2int64(const INTEGER_t *i, int64_t *l);
+int asn_INTEGER2uint64(const INTEGER_t *i, uint64_t *l);
+int asn_INTEGER2long(const INTEGER_t *i, long *l);
+int asn_INTEGER2ulong(const INTEGER_t *i, unsigned long *l);
+int asn_int642INTEGER(INTEGER_t *i, int64_t l);
+int asn_uint642INTEGER(INTEGER_t *i, uint64_t l);
+int asn_long2INTEGER(INTEGER_t *i, long l);
+int asn_ulong2INTEGER(INTEGER_t *i, unsigned long l);
+
+/* A a reified version of strtol(3) with nicer error reporting. */
+enum asn_strtol_result_e {
+ ASN_STRTOL_ERROR_RANGE = -3, /* Input outside of numeric range for long type */
+ ASN_STRTOL_ERROR_INVAL = -2, /* Invalid data encountered (e.g., "+-") */
+ ASN_STRTOL_EXPECT_MORE = -1, /* More data expected (e.g. "+") */
+ ASN_STRTOL_OK = 0, /* Conversion succeded, number ends at (*end) */
+ ASN_STRTOL_EXTRA_DATA = 1, /* Conversion succeded, but the string has extra stuff */
+};
+enum asn_strtol_result_e asn_strtol_lim(const char *str, const char **end, long *l);
+
+/* The asn_strtol is going to be DEPRECATED soon */
+enum asn_strtol_result_e asn_strtol(const char *str, const char *end, long *l);
+
+/*
+ * Convert the integer value into the corresponding enumeration map entry.
+ */
+const asn_INTEGER_enum_map_t *INTEGER_map_value2enum(asn_INTEGER_specifics_t *specs, long value);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _INTEGER_H_ */
diff --git a/include/osmocom/rspro/Makefile.am b/include/osmocom/rspro/Makefile.am
index fee7733..f189c0a 100644
--- a/include/osmocom/rspro/Makefile.am
+++ b/include/osmocom/rspro/Makefile.am
@@ -37,6 +37,33 @@
TpduModemToCard.h \
$(NULL)
+noinst_HEADERS+=BOOLEAN.h
+noinst_HEADERS+=INTEGER.h
+noinst_HEADERS+=NativeEnumerated.h
+noinst_HEADERS+=IA5String.h
+noinst_HEADERS+=NativeInteger.h
+noinst_HEADERS+=constr_CHOICE.h
+noinst_HEADERS+=constr_SEQUENCE.h
+noinst_HEADERS+=asn_application.h
+noinst_HEADERS+=asn_system.h
+noinst_HEADERS+=asn_codecs.h
+noinst_HEADERS+=asn_internal.h
+noinst_HEADERS+=OCTET_STRING.h
+noinst_HEADERS+=BIT_STRING.h
+noinst_HEADERS+=asn_codecs_prim.h
+noinst_HEADERS+=ber_tlv_length.h
+noinst_HEADERS+=ber_tlv_tag.h
+noinst_HEADERS+=ber_decoder.h
+noinst_HEADERS+=der_encoder.h
+noinst_HEADERS+=constr_TYPE.h
+noinst_HEADERS+=constraints.h
+noinst_HEADERS+=xer_support.h
+noinst_HEADERS+=xer_decoder.h
+noinst_HEADERS+=xer_encoder.h
+noinst_HEADERS+=per_support.h
+noinst_HEADERS+=per_decoder.h
+noinst_HEADERS+=per_encoder.h
+noinst_HEADERS+=per_opentype.h
rspro_HEADERS = \
rspro_client.h
diff --git a/include/osmocom/rspro/NativeEnumerated.h b/include/osmocom/rspro/NativeEnumerated.h
new file mode 100644
index 0000000..9db2611
--- /dev/null
+++ b/include/osmocom/rspro/NativeEnumerated.h
@@ -0,0 +1,35 @@
+/*-
+ * Copyright (c) 2004, 2005, 2006 Lev Walkin <vlm@lionet.info>.
+ * All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+/*
+ * This type differs from the standard ENUMERATED in that it is modelled using
+ * the fixed machine type (long, int, short), so it can hold only values of
+ * limited length. There is no type (i.e., NativeEnumerated_t, any integer type
+ * will do).
+ * This type may be used when integer range is limited by subtype constraints.
+ */
+#ifndef _NativeEnumerated_H_
+#define _NativeEnumerated_H_
+
+#include <NativeInteger.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern asn_TYPE_descriptor_t asn_DEF_NativeEnumerated;
+
+xer_type_encoder_f NativeEnumerated_encode_xer;
+per_type_decoder_f NativeEnumerated_decode_uper;
+per_type_encoder_f NativeEnumerated_encode_uper;
+per_type_decoder_f NativeEnumerated_decode_aper;
+per_type_encoder_f NativeEnumerated_encode_aper;
+asn_struct_print_f NativeEnumerated_print;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _NativeEnumerated_H_ */
diff --git a/include/osmocom/rspro/NativeInteger.h b/include/osmocom/rspro/NativeInteger.h
new file mode 100644
index 0000000..14aa1a4
--- /dev/null
+++ b/include/osmocom/rspro/NativeInteger.h
@@ -0,0 +1,39 @@
+/*-
+ * Copyright (c) 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+/*
+ * This type differs from the standard INTEGER in that it is modelled using
+ * the fixed machine type (long, int, short), so it can hold only values of
+ * limited length. There is no type (i.e., NativeInteger_t, any integer type
+ * will do).
+ * This type may be used when integer range is limited by subtype constraints.
+ */
+#ifndef _NativeInteger_H_
+#define _NativeInteger_H_
+
+#include <asn_application.h>
+#include <INTEGER.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern asn_TYPE_descriptor_t asn_DEF_NativeInteger;
+
+asn_struct_free_f NativeInteger_free;
+asn_struct_print_f NativeInteger_print;
+ber_type_decoder_f NativeInteger_decode_ber;
+der_type_encoder_f NativeInteger_encode_der;
+xer_type_decoder_f NativeInteger_decode_xer;
+xer_type_encoder_f NativeInteger_encode_xer;
+per_type_decoder_f NativeInteger_decode_uper;
+per_type_encoder_f NativeInteger_encode_uper;
+per_type_decoder_f NativeInteger_decode_aper;
+per_type_encoder_f NativeInteger_encode_aper;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _NativeInteger_H_ */
diff --git a/include/osmocom/rspro/OCTET_STRING.h b/include/osmocom/rspro/OCTET_STRING.h
new file mode 100644
index 0000000..bc25666
--- /dev/null
+++ b/include/osmocom/rspro/OCTET_STRING.h
@@ -0,0 +1,88 @@
+/*-
+ * Copyright (c) 2003 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _OCTET_STRING_H_
+#define _OCTET_STRING_H_
+
+#include <asn_application.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct OCTET_STRING {
+ uint8_t *buf; /* Buffer with consecutive OCTET_STRING bits */
+ int size; /* Size of the buffer */
+
+ asn_struct_ctx_t _asn_ctx; /* Parsing across buffer boundaries */
+} OCTET_STRING_t;
+
+extern asn_TYPE_descriptor_t asn_DEF_OCTET_STRING;
+
+asn_struct_free_f OCTET_STRING_free;
+asn_struct_print_f OCTET_STRING_print;
+asn_struct_print_f OCTET_STRING_print_utf8;
+ber_type_decoder_f OCTET_STRING_decode_ber;
+der_type_encoder_f OCTET_STRING_encode_der;
+xer_type_decoder_f OCTET_STRING_decode_xer_hex; /* Hexadecimal */
+xer_type_decoder_f OCTET_STRING_decode_xer_binary; /* 01010111010 */
+xer_type_decoder_f OCTET_STRING_decode_xer_utf8; /* ASCII/UTF-8 */
+xer_type_encoder_f OCTET_STRING_encode_xer;
+xer_type_encoder_f OCTET_STRING_encode_xer_utf8;
+per_type_decoder_f OCTET_STRING_decode_uper;
+per_type_encoder_f OCTET_STRING_encode_uper;
+per_type_decoder_f OCTET_STRING_decode_aper;
+per_type_encoder_f OCTET_STRING_encode_aper;
+
+/******************************
+ * Handy conversion routines. *
+ ******************************/
+
+/*
+ * This function clears the previous value of the OCTET STRING (if any)
+ * and then allocates a new memory with the specified content (str/size).
+ * If size = -1, the size of the original string will be determined
+ * using strlen(str).
+ * If str equals to NULL, the function will silently clear the
+ * current contents of the OCTET STRING.
+ * Returns 0 if it was possible to perform operation, -1 otherwise.
+ */
+int OCTET_STRING_fromBuf(OCTET_STRING_t *s, const char *str, int size);
+
+/* Handy conversion from the C string into the OCTET STRING. */
+#define OCTET_STRING_fromString(s, str) OCTET_STRING_fromBuf(s, str, -1)
+
+/*
+ * Allocate and fill the new OCTET STRING and return a pointer to the newly
+ * allocated object. NULL is permitted in str: the function will just allocate
+ * empty OCTET STRING.
+ */
+OCTET_STRING_t *OCTET_STRING_new_fromBuf(asn_TYPE_descriptor_t *td,
+ const char *str, int size);
+
+/****************************
+ * Internally useful stuff. *
+ ****************************/
+
+typedef const struct asn_OCTET_STRING_specifics_s {
+ /*
+ * Target structure description.
+ */
+ int struct_size; /* Size of the structure */
+ int ctx_offset; /* Offset of the asn_struct_ctx_t member */
+
+ enum asn_OS_Subvariant {
+ ASN_OSUBV_ANY, /* The open type (ANY) */
+ ASN_OSUBV_BIT, /* BIT STRING */
+ ASN_OSUBV_STR, /* String types, not {BMP,Universal}String */
+ ASN_OSUBV_U16, /* 16-bit character (BMPString) */
+ ASN_OSUBV_U32 /* 32-bit character (UniversalString) */
+ } subvariant;
+} asn_OCTET_STRING_specifics_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _OCTET_STRING_H_ */
diff --git a/include/osmocom/rspro/asn_application.h b/include/osmocom/rspro/asn_application.h
new file mode 100644
index 0000000..f40cd86
--- /dev/null
+++ b/include/osmocom/rspro/asn_application.h
@@ -0,0 +1,47 @@
+/*-
+ * Copyright (c) 2004, 2006 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+/*
+ * Application-level ASN.1 callbacks.
+ */
+#ifndef _ASN_APPLICATION_H_
+#define _ASN_APPLICATION_H_
+
+#include "asn_system.h" /* for platform-dependent types */
+#include "asn_codecs.h" /* for ASN.1 codecs specifics */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Generic type of an application-defined callback to return various
+ * types of data to the application.
+ * EXPECTED RETURN VALUES:
+ * -1: Failed to consume bytes. Abort the mission.
+ * Non-negative return values indicate success, and ignored.
+ */
+typedef int (asn_app_consume_bytes_f)(const void *buffer, size_t size,
+ void *application_specific_key);
+
+/*
+ * A callback of this type is called whenever constraint validation fails
+ * on some ASN.1 type. See "constraints.h" for more details on constraint
+ * validation.
+ * This callback specifies a descriptor of the ASN.1 type which failed
+ * the constraint check, as well as human readable message on what
+ * particular constraint has failed.
+ */
+typedef void (asn_app_constraint_failed_f)(void *application_specific_key,
+ struct asn_TYPE_descriptor_s *type_descriptor_which_failed,
+ const void *structure_which_failed_ptr,
+ const char *error_message_format, ...) GCC_PRINTFLIKE(4, 5);
+
+#ifdef __cplusplus
+}
+#endif
+
+#include "constr_TYPE.h" /* for asn_TYPE_descriptor_t */
+
+#endif /* _ASN_APPLICATION_H_ */
diff --git a/include/osmocom/rspro/asn_codecs.h b/include/osmocom/rspro/asn_codecs.h
new file mode 100644
index 0000000..e560014
--- /dev/null
+++ b/include/osmocom/rspro/asn_codecs.h
@@ -0,0 +1,109 @@
+/*-
+ * Copyright (c) 2003, 2004, 2005 Lev Walkin <vlm@lionet.info>.
+ * All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _ASN_CODECS_H_
+#define _ASN_CODECS_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct asn_TYPE_descriptor_s; /* Forward declaration */
+
+/*
+ * This structure defines a set of parameters that may be passed
+ * to every ASN.1 encoder or decoder function.
+ * WARNING: if max_stack_size member is set, and you are calling the
+ * function pointers of the asn_TYPE_descriptor_t directly,
+ * this structure must be ALLOCATED ON THE STACK!
+ * If you can't always satisfy this requirement, use ber_decode(),
+ * xer_decode() and uper_decode() functions instead.
+ */
+typedef struct asn_codec_ctx_s {
+ /*
+ * Limit the decoder routines to use no (much) more stack than a given
+ * number of bytes. Most of decoders are stack-based, and this
+ * would protect against stack overflows if the number of nested
+ * encodings is high.
+ * The OCTET STRING, BIT STRING and ANY BER decoders are heap-based,
+ * and are safe from this kind of overflow.
+ * A value from getrlimit(RLIMIT_STACK) may be used to initialize
+ * this variable. Be careful in multithreaded environments, as the
+ * stack size is rather limited.
+ */
+ size_t max_stack_size; /* 0 disables stack bounds checking */
+} asn_codec_ctx_t;
+
+/*
+ * Type of the return value of the encoding functions (der_encode, xer_encode).
+ */
+typedef struct asn_enc_rval_s {
+ /*
+ * Number of bytes encoded.
+ * -1 indicates failure to encode the structure.
+ * In this case, the members below this one are meaningful.
+ */
+ ssize_t encoded;
+
+ /*
+ * Members meaningful when (encoded == -1), for post mortem analysis.
+ */
+
+ /* Type which cannot be encoded */
+ struct asn_TYPE_descriptor_s *failed_type;
+
+ /* Pointer to the structure of that type */
+ void *structure_ptr;
+} asn_enc_rval_t;
+#define _ASN_ENCODE_FAILED do { \
+ asn_enc_rval_t tmp_error; \
+ tmp_error.encoded = -1; \
+ tmp_error.failed_type = td; \
+ tmp_error.structure_ptr = sptr; \
+ ASN_DEBUG("Failed to encode element %s", td ? td->name : ""); \
+ return tmp_error; \
+} while(0)
+#define _ASN_ENCODED_OK(rval) do { \
+ rval.structure_ptr = 0; \
+ rval.failed_type = 0; \
+ return rval; \
+} while(0)
+
+/*
+ * Type of the return value of the decoding functions (ber_decode, xer_decode)
+ *
+ * Please note that the number of consumed bytes is ALWAYS meaningful,
+ * even if code==RC_FAIL. This is to indicate the number of successfully
+ * decoded bytes, hence providing a possibility to fail with more diagnostics
+ * (i.e., print the offending remainder of the buffer).
+ */
+enum asn_dec_rval_code_e {
+ RC_OK, /* Decoded successfully */
+ RC_WMORE, /* More data expected, call again */
+ RC_FAIL /* Failure to decode data */
+};
+typedef struct asn_dec_rval_s {
+ enum asn_dec_rval_code_e code; /* Result code */
+ size_t consumed; /* Number of bytes consumed */
+} asn_dec_rval_t;
+#define _ASN_DECODE_FAILED do { \
+ asn_dec_rval_t tmp_error; \
+ tmp_error.code = RC_FAIL; \
+ tmp_error.consumed = 0; \
+ ASN_DEBUG("Failed to decode element %s", td ? td->name : ""); \
+ return tmp_error; \
+} while(0)
+#define _ASN_DECODE_STARVED do { \
+ asn_dec_rval_t tmp_error; \
+ tmp_error.code = RC_WMORE; \
+ tmp_error.consumed = 0; \
+ return tmp_error; \
+} while(0)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ASN_CODECS_H_ */
diff --git a/include/osmocom/rspro/asn_codecs_prim.h b/include/osmocom/rspro/asn_codecs_prim.h
new file mode 100644
index 0000000..0f683fd
--- /dev/null
+++ b/include/osmocom/rspro/asn_codecs_prim.h
@@ -0,0 +1,53 @@
+/*-
+ * Copyright (c) 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef ASN_CODECS_PRIM_H
+#define ASN_CODECS_PRIM_H
+
+#include <asn_application.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct ASN__PRIMITIVE_TYPE_s {
+ uint8_t *buf; /* Buffer with consecutive primitive encoding bytes */
+ int size; /* Size of the buffer */
+} ASN__PRIMITIVE_TYPE_t; /* Do not use this type directly! */
+
+asn_struct_free_f ASN__PRIMITIVE_TYPE_free;
+ber_type_decoder_f ber_decode_primitive;
+der_type_encoder_f der_encode_primitive;
+
+/*
+ * A callback specification for the xer_decode_primitive() function below.
+ */
+enum xer_pbd_rval {
+ XPBD_SYSTEM_FAILURE, /* System failure (memory shortage, etc) */
+ XPBD_DECODER_LIMIT, /* Hit some decoder limitation or deficiency */
+ XPBD_BROKEN_ENCODING, /* Encoding of a primitive body is broken */
+ XPBD_NOT_BODY_IGNORE, /* Not a body format, but safe to ignore */
+ XPBD_BODY_CONSUMED /* Body is recognized and consumed */
+};
+typedef enum xer_pbd_rval (xer_primitive_body_decoder_f)
+ (asn_TYPE_descriptor_t *td, void *struct_ptr,
+ const void *chunk_buf, size_t chunk_size);
+
+/*
+ * Specific function to decode simple primitive types.
+ * Also see xer_decode_general() in xer_decoder.h
+ */
+asn_dec_rval_t xer_decode_primitive(asn_codec_ctx_t *opt_codec_ctx,
+ asn_TYPE_descriptor_t *type_descriptor,
+ void **struct_ptr, size_t struct_size,
+ const char *opt_mname,
+ const void *buf_ptr, size_t size,
+ xer_primitive_body_decoder_f *prim_body_decoder
+);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ASN_CODECS_PRIM_H */
diff --git a/include/osmocom/rspro/asn_internal.h b/include/osmocom/rspro/asn_internal.h
new file mode 100644
index 0000000..561dcf6
--- /dev/null
+++ b/include/osmocom/rspro/asn_internal.h
@@ -0,0 +1,130 @@
+/*-
+ * Copyright (c) 2003, 2004, 2005, 2007 Lev Walkin <vlm@lionet.info>.
+ * All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+/*
+ * Declarations internally useful for the ASN.1 support code.
+ */
+#ifndef _ASN_INTERNAL_H_
+#define _ASN_INTERNAL_H_
+
+#include "asn_application.h" /* Application-visible API */
+
+#ifndef __NO_ASSERT_H__ /* Include assert.h only for internal use. */
+#include <assert.h> /* for assert() macro */
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Environment version might be used to avoid running with the old library */
+#define ASN1C_ENVIRONMENT_VERSION 924 /* Compile-time version */
+int get_asn1c_environment_version(void); /* Run-time version */
+
+#define CALLOC(nmemb, size) calloc(nmemb, size)
+#define MALLOC(size) malloc(size)
+#define REALLOC(oldptr, size) realloc(oldptr, size)
+#define FREEMEM(ptr) free(ptr)
+
+#define asn_debug_indent 0
+#define ASN_DEBUG_INDENT_ADD(i) do{}while(0)
+
+/*
+ * A macro for debugging the ASN.1 internals.
+ * You may enable or override it.
+ */
+#ifndef ASN_DEBUG /* If debugging code is not defined elsewhere... */
+#if EMIT_ASN_DEBUG == 1 /* And it was asked to emit this code... */
+#ifdef __GNUC__
+#ifdef ASN_THREAD_SAFE
+/* Thread safety requires sacrifice in output indentation:
+ * Retain empty definition of ASN_DEBUG_INDENT_ADD. */
+#else /* !ASN_THREAD_SAFE */
+#undef ASN_DEBUG_INDENT_ADD
+#undef asn_debug_indent
+int asn_debug_indent;
+#define ASN_DEBUG_INDENT_ADD(i) do { asn_debug_indent += i; } while(0)
+#endif /* ASN_THREAD_SAFE */
+extern int asn_debug; /* Allow option on execution */
+#define ASN_DEBUG(fmt, args...) \
+if (asn_debug) { \
+ do { \
+ int adi = asn_debug_indent; \
+ while(adi--) fprintf(stderr, " "); \
+ fprintf(stderr, fmt, ##args); \
+ fprintf(stderr, " (%s:%d)\n", \
+ __FILE__, __LINE__); \
+ } while(0); \
+}
+#else /* !__GNUC__ */
+void ASN_DEBUG_f(const char *fmt, ...);
+#define ASN_DEBUG ASN_DEBUG_f
+#endif /* __GNUC__ */
+#else /* EMIT_ASN_DEBUG != 1 */
+static inline void ASN_DEBUG(const char *fmt, ...) { (void)fmt; }
+#endif /* EMIT_ASN_DEBUG */
+#endif /* ASN_DEBUG */
+
+/*
+ * Invoke the application-supplied callback and fail, if something is wrong.
+ */
+#define __ASN_E_cbc(buf, size) (cb((buf), (size), app_key) < 0)
+#define _ASN_E_CALLBACK(foo) do { \
+ if(foo) goto cb_failed; \
+ } while(0)
+#define _ASN_CALLBACK(buf, size) \
+ _ASN_E_CALLBACK(__ASN_E_cbc(buf, size))
+#define _ASN_CALLBACK2(buf1, size1, buf2, size2) \
+ _ASN_E_CALLBACK(__ASN_E_cbc(buf1, size1) || __ASN_E_cbc(buf2, size2))
+#define _ASN_CALLBACK3(buf1, size1, buf2, size2, buf3, size3) \
+ _ASN_E_CALLBACK(__ASN_E_cbc(buf1, size1) \
+ || __ASN_E_cbc(buf2, size2) \
+ || __ASN_E_cbc(buf3, size3))
+
+#define _i_ASN_TEXT_INDENT(nl, level) do { \
+ int __level = (level); \
+ int __nl = ((nl) != 0); \
+ int __i; \
+ if(__nl) _ASN_CALLBACK("\n", 1); \
+ if(__level < 0) __level = 0; \
+ for(__i = 0; __i < __level; __i++) \
+ _ASN_CALLBACK(" ", 4); \
+ er.encoded += __nl + 4 * __level; \
+} while(0)
+
+#define _i_INDENT(nl) do { \
+ int __i; \
+ if((nl) && cb("\n", 1, app_key) < 0) return -1; \
+ for(__i = 0; __i < ilevel; __i++) \
+ if(cb(" ", 4, app_key) < 0) return -1; \
+} while(0)
+
+/*
+ * Check stack against overflow, if limit is set.
+ */
+#define _ASN_DEFAULT_STACK_MAX (30000)
+static inline int
+_ASN_STACK_OVERFLOW_CHECK(asn_codec_ctx_t *ctx) {
+ if(ctx && ctx->max_stack_size) {
+
+ /* ctx MUST be allocated on the stack */
+ ptrdiff_t usedstack = ((char *)ctx - (char *)&ctx);
+ if(usedstack > 0) usedstack = -usedstack; /* grows up! */
+
+ /* double negative required to avoid int wrap-around */
+ if(usedstack < -(ptrdiff_t)ctx->max_stack_size) {
+ ASN_DEBUG("Stack limit %ld reached",
+ (long)ctx->max_stack_size);
+ return -1;
+ }
+ }
+ return 0;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ASN_INTERNAL_H_ */
diff --git a/include/osmocom/rspro/asn_system.h b/include/osmocom/rspro/asn_system.h
new file mode 100644
index 0000000..e420ad2
--- /dev/null
+++ b/include/osmocom/rspro/asn_system.h
@@ -0,0 +1,129 @@
+/*-
+ * Copyright (c) 2003, 2004, 2007 Lev Walkin <vlm@lionet.info>.
+ * All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+/*
+ * Miscellaneous system-dependent types.
+ */
+#ifndef _ASN_SYSTEM_H_
+#define _ASN_SYSTEM_H_
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h> /* For snprintf(3) */
+#include <stdlib.h> /* For *alloc(3) */
+#include <string.h> /* For memcpy(3) */
+#include <sys/types.h> /* For size_t */
+#include <limits.h> /* For LONG_MAX */
+#include <stdarg.h> /* For va_start */
+#include <stddef.h> /* for offsetof and ptrdiff_t */
+
+#ifdef _WIN32
+
+#include <malloc.h>
+#define snprintf _snprintf
+#define vsnprintf _vsnprintf
+
+/* To avoid linking with ws2_32.lib, here's the definition of ntohl() */
+#define sys_ntohl(l) ((((l) << 24) & 0xff000000) \
+ | (((l) << 8) & 0xff0000) \
+ | (((l) >> 8) & 0xff00) \
+ | ((l >> 24) & 0xff))
+
+#ifdef _MSC_VER /* MSVS.Net */
+#ifndef __cplusplus
+#define inline __inline
+#endif
+#ifndef ASSUMESTDTYPES /* Standard types have been defined elsewhere */
+#define ssize_t SSIZE_T
+typedef char int8_t;
+typedef short int16_t;
+typedef int int32_t;
+typedef unsigned char uint8_t;
+typedef unsigned short uint16_t;
+typedef unsigned int uint32_t;
+#endif /* ASSUMESTDTYPES */
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <float.h>
+#define isnan _isnan
+#define finite _finite
+#define copysign _copysign
+#define ilogb _logb
+#else /* !_MSC_VER */
+#include <stdint.h>
+#endif /* _MSC_VER */
+
+#else /* !_WIN32 */
+
+#if defined(__vxworks)
+#include <types/vxTypes.h>
+#else /* !defined(__vxworks) */
+
+#include <inttypes.h> /* C99 specifies this file */
+/*
+ * 1. Earlier FreeBSD version didn't have <stdint.h>,
+ * but <inttypes.h> was present.
+ * 2. Sun Solaris requires <alloca.h> for alloca(3),
+ * but does not have <stdint.h>.
+ */
+#if (!defined(__FreeBSD__) || !defined(_SYS_INTTYPES_H_))
+#if defined(sun)
+#include <alloca.h> /* For alloca(3) */
+#include <ieeefp.h> /* for finite(3) */
+#elif defined(__hpux)
+#ifdef __GNUC__
+#include <alloca.h> /* For alloca(3) */
+#else /* !__GNUC__ */
+#define inline
+#endif /* __GNUC__ */
+#else
+#include <stdint.h> /* SUSv2+ and C99 specify this file, for uintXX_t */
+#endif /* defined(sun) */
+#endif
+
+#include <netinet/in.h> /* for ntohl() */
+#define sys_ntohl(foo) ntohl(foo)
+
+#endif /* defined(__vxworks) */
+
+#endif /* _WIN32 */
+
+#if __GNUC__ >= 3
+#ifndef GCC_PRINTFLIKE
+#define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
+#endif
+#ifndef GCC_NOTUSED
+#define GCC_NOTUSED __attribute__((unused))
+#endif
+#else
+#ifndef GCC_PRINTFLIKE
+#define GCC_PRINTFLIKE(fmt,var) /* nothing */
+#endif
+#ifndef GCC_NOTUSED
+#define GCC_NOTUSED
+#endif
+#endif
+
+/* Figure out if thread safety is requested */
+#if !defined(ASN_THREAD_SAFE) && (defined(THREAD_SAFE) || defined(_REENTRANT))
+#define ASN_THREAD_SAFE
+#endif /* Thread safety */
+
+#ifndef offsetof /* If not defined by <stddef.h> */
+#define offsetof(s, m) ((ptrdiff_t)&(((s *)0)->m) - (ptrdiff_t)((s *)0))
+#endif /* offsetof */
+
+#ifndef MIN /* Suitable for comparing primitive types (integers) */
+#if defined(__GNUC__)
+#define MIN(a,b) ({ __typeof a _a = a; __typeof b _b = b; \
+ ((_a)<(_b)?(_a):(_b)); })
+#else /* !__GNUC__ */
+#define MIN(a,b) ((a)<(b)?(a):(b)) /* Unsafe variant */
+#endif /* __GNUC__ */
+#endif /* MIN */
+
+#endif /* _ASN_SYSTEM_H_ */
diff --git a/include/osmocom/rspro/ber_decoder.h b/include/osmocom/rspro/ber_decoder.h
new file mode 100644
index 0000000..9fe2e89
--- /dev/null
+++ b/include/osmocom/rspro/ber_decoder.h
@@ -0,0 +1,64 @@
+/*-
+ * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _BER_DECODER_H_
+#define _BER_DECODER_H_
+
+#include <asn_application.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct asn_TYPE_descriptor_s; /* Forward declaration */
+struct asn_codec_ctx_s; /* Forward declaration */
+
+/*
+ * The BER decoder of any type.
+ * This function may be invoked directly from the application.
+ * The der_encode() function (der_encoder.h) is an opposite to ber_decode().
+ */
+asn_dec_rval_t ber_decode(struct asn_codec_ctx_s *opt_codec_ctx,
+ struct asn_TYPE_descriptor_s *type_descriptor,
+ void **struct_ptr, /* Pointer to a target structure's pointer */
+ const void *buffer, /* Data to be decoded */
+ size_t size /* Size of that buffer */
+ );
+
+/*
+ * Type of generic function which decodes the byte stream into the structure.
+ */
+typedef asn_dec_rval_t (ber_type_decoder_f)(
+ struct asn_codec_ctx_s *opt_codec_ctx,
+ struct asn_TYPE_descriptor_s *type_descriptor,
+ void **struct_ptr, const void *buf_ptr, size_t size,
+ int tag_mode);
+
+/*******************************
+ * INTERNALLY USEFUL FUNCTIONS *
+ *******************************/
+
+/*
+ * Check that all tags correspond to the type definition (as given in head).
+ * On return, last_length would contain either a non-negative length of the
+ * value part of the last TLV, or the negative number of expected
+ * "end of content" sequences. The number may only be negative if the
+ * head->last_tag_form is non-zero.
+ */
+asn_dec_rval_t ber_check_tags(
+ struct asn_codec_ctx_s *opt_codec_ctx, /* codec options */
+ struct asn_TYPE_descriptor_s *type_descriptor,
+ asn_struct_ctx_t *opt_ctx, /* saved decoding context */
+ const void *ptr, size_t size,
+ int tag_mode, /* {-1,0,1}: IMPLICIT, no, EXPLICIT */
+ int last_tag_form, /* {-1,0:1}: any, primitive, constr */
+ ber_tlv_len_t *last_length,
+ int *opt_tlv_form /* optional tag form */
+ );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BER_DECODER_H_ */
diff --git a/include/osmocom/rspro/ber_tlv_length.h b/include/osmocom/rspro/ber_tlv_length.h
new file mode 100644
index 0000000..3496802
--- /dev/null
+++ b/include/osmocom/rspro/ber_tlv_length.h
@@ -0,0 +1,50 @@
+/*-
+ * Copyright (c) 2003 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _BER_TLV_LENGTH_H_
+#define _BER_TLV_LENGTH_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef ssize_t ber_tlv_len_t;
+
+/*
+ * This function tries to fetch the length of the BER TLV value and place it
+ * in *len_r.
+ * RETURN VALUES:
+ * 0: More data expected than bufptr contains.
+ * -1: Fatal error deciphering length.
+ * >0: Number of bytes used from bufptr.
+ * On return with >0, len_r is constrained as -1..MAX, where -1 mean
+ * that the value is of indefinite length.
+ */
+ssize_t ber_fetch_length(int _is_constructed, const void *bufptr, size_t size,
+ ber_tlv_len_t *len_r);
+
+/*
+ * This function expects bufptr to be positioned over L in TLV.
+ * It returns number of bytes occupied by L and V together, suitable
+ * for skipping. The function properly handles indefinite length.
+ * RETURN VALUES:
+ * Standard {-1,0,>0} convention.
+ */
+ssize_t ber_skip_length(
+ struct asn_codec_ctx_s *opt_codec_ctx, /* optional context */
+ int _is_constructed, const void *bufptr, size_t size);
+
+/*
+ * This function serializes the length (L from TLV) in DER format.
+ * It always returns number of bytes necessary to represent the length,
+ * it is a caller's responsibility to check the return value
+ * against the supplied buffer's size.
+ */
+size_t der_tlv_length_serialize(ber_tlv_len_t len, void *bufptr, size_t size);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BER_TLV_LENGTH_H_ */
diff --git a/include/osmocom/rspro/ber_tlv_tag.h b/include/osmocom/rspro/ber_tlv_tag.h
new file mode 100644
index 0000000..60e8668
--- /dev/null
+++ b/include/osmocom/rspro/ber_tlv_tag.h
@@ -0,0 +1,60 @@
+/*-
+ * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _BER_TLV_TAG_H_
+#define _BER_TLV_TAG_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum asn_tag_class {
+ ASN_TAG_CLASS_UNIVERSAL = 0, /* 0b00 */
+ ASN_TAG_CLASS_APPLICATION = 1, /* 0b01 */
+ ASN_TAG_CLASS_CONTEXT = 2, /* 0b10 */
+ ASN_TAG_CLASS_PRIVATE = 3 /* 0b11 */
+};
+typedef unsigned ber_tlv_tag_t; /* BER TAG from Tag-Length-Value */
+
+/*
+ * Tag class is encoded together with tag value for optimization purposes.
+ */
+#define BER_TAG_CLASS(tag) ((tag) & 0x3)
+#define BER_TAG_VALUE(tag) ((tag) >> 2)
+#define BER_TLV_CONSTRUCTED(tagptr) (((*(const uint8_t *)tagptr)&0x20)?1:0)
+
+#define BER_TAGS_EQUAL(tag1, tag2) ((tag1) == (tag2))
+
+/*
+ * Several functions for printing the TAG in the canonical form
+ * (i.e. "[PRIVATE 0]").
+ * Return values correspond to their libc counterparts (if any).
+ */
+ssize_t ber_tlv_tag_snprint(ber_tlv_tag_t tag, char *buf, size_t buflen);
+ssize_t ber_tlv_tag_fwrite(ber_tlv_tag_t tag, FILE *);
+char *ber_tlv_tag_string(ber_tlv_tag_t tag);
+
+
+/*
+ * This function tries to fetch the tag from the input stream.
+ * RETURN VALUES:
+ * 0: More data expected than bufptr contains.
+ * -1: Fatal error deciphering tag.
+ * >0: Number of bytes used from bufptr. tag_r will contain the tag.
+ */
+ssize_t ber_fetch_tag(const void *bufptr, size_t size, ber_tlv_tag_t *tag_r);
+
+/*
+ * This function serializes the tag (T from TLV) in BER format.
+ * It always returns number of bytes necessary to represent the tag,
+ * it is a caller's responsibility to check the return value
+ * against the supplied buffer's size.
+ */
+size_t ber_tlv_tag_serialize(ber_tlv_tag_t tag, void *bufptr, size_t size);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BER_TLV_TAG_H_ */
diff --git a/include/osmocom/rspro/constr_CHOICE.h b/include/osmocom/rspro/constr_CHOICE.h
new file mode 100644
index 0000000..ddcbb39
--- /dev/null
+++ b/include/osmocom/rspro/constr_CHOICE.h
@@ -0,0 +1,59 @@
+/*-
+ * Copyright (c) 2003, 2004, 2005 Lev Walkin <vlm@lionet.info>.
+ * All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _CONSTR_CHOICE_H_
+#define _CONSTR_CHOICE_H_
+
+#include <asn_application.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef const struct asn_CHOICE_specifics_s {
+ /*
+ * Target structure description.
+ */
+ int struct_size; /* Size of the target structure. */
+ int ctx_offset; /* Offset of the asn_codec_ctx_t member */
+ int pres_offset; /* Identifier of the present member */
+ int pres_size; /* Size of the identifier (enum) */
+
+ /*
+ * Tags to members mapping table.
+ */
+ const asn_TYPE_tag2member_t *tag2el;
+ int tag2el_count;
+
+ /* Canonical ordering of CHOICE elements, for PER */
+ int *canonical_order;
+
+ /*
+ * Extensions-related stuff.
+ */
+ int ext_start; /* First member of extensions, or -1 */
+} asn_CHOICE_specifics_t;
+
+/*
+ * A set specialized functions dealing with the CHOICE type.
+ */
+asn_struct_free_f CHOICE_free;
+asn_struct_print_f CHOICE_print;
+asn_constr_check_f CHOICE_constraint;
+ber_type_decoder_f CHOICE_decode_ber;
+der_type_encoder_f CHOICE_encode_der;
+xer_type_decoder_f CHOICE_decode_xer;
+xer_type_encoder_f CHOICE_encode_xer;
+per_type_decoder_f CHOICE_decode_uper;
+per_type_encoder_f CHOICE_encode_uper;
+per_type_decoder_f CHOICE_decode_aper;
+per_type_encoder_f CHOICE_encode_aper;
+asn_outmost_tag_f CHOICE_outmost_tag;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _CONSTR_CHOICE_H_ */
diff --git a/include/osmocom/rspro/constr_SEQUENCE.h b/include/osmocom/rspro/constr_SEQUENCE.h
new file mode 100644
index 0000000..d181848
--- /dev/null
+++ b/include/osmocom/rspro/constr_SEQUENCE.h
@@ -0,0 +1,62 @@
+/*-
+ * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _CONSTR_SEQUENCE_H_
+#define _CONSTR_SEQUENCE_H_
+
+#include <asn_application.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef const struct asn_SEQUENCE_specifics_s {
+ /*
+ * Target structure description.
+ */
+ int struct_size; /* Size of the target structure. */
+ int ctx_offset; /* Offset of the asn_struct_ctx_t member */
+
+ /*
+ * Tags to members mapping table (sorted).
+ */
+ const asn_TYPE_tag2member_t *tag2el;
+ int tag2el_count;
+
+ /*
+ * Optional members of the extensions root (roms) or additions (aoms).
+ * Meaningful for PER.
+ */
+ const int *oms; /* Optional MemberS */
+ int roms_count; /* Root optional members count */
+ int aoms_count; /* Additions optional members count */
+
+ /*
+ * Description of an extensions group.
+ */
+ int ext_after; /* Extensions start after this member */
+ int ext_before; /* Extensions stop before this member */
+} asn_SEQUENCE_specifics_t;
+
+
+/*
+ * A set specialized functions dealing with the SEQUENCE type.
+ */
+asn_struct_free_f SEQUENCE_free;
+asn_struct_print_f SEQUENCE_print;
+asn_constr_check_f SEQUENCE_constraint;
+ber_type_decoder_f SEQUENCE_decode_ber;
+der_type_encoder_f SEQUENCE_encode_der;
+xer_type_decoder_f SEQUENCE_decode_xer;
+xer_type_encoder_f SEQUENCE_encode_xer;
+per_type_decoder_f SEQUENCE_decode_uper;
+per_type_encoder_f SEQUENCE_encode_uper;
+per_type_decoder_f SEQUENCE_decode_aper;
+per_type_encoder_f SEQUENCE_encode_aper;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _CONSTR_SEQUENCE_H_ */
diff --git a/include/osmocom/rspro/constr_TYPE.h b/include/osmocom/rspro/constr_TYPE.h
new file mode 100644
index 0000000..13c60f3
--- /dev/null
+++ b/include/osmocom/rspro/constr_TYPE.h
@@ -0,0 +1,182 @@
+/*-
+ * Copyright (c) 2003, 2004, 2005, 2006 Lev Walkin <vlm@lionet.info>.
+ * All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+/*
+ * This file contains the declaration structure called "ASN.1 Type Definition",
+ * which holds all information necessary for encoding and decoding routines.
+ * This structure even contains pointer to these encoding and decoding routines
+ * for each defined ASN.1 type.
+ */
+#ifndef _CONSTR_TYPE_H_
+#define _CONSTR_TYPE_H_
+
+#include <ber_tlv_length.h>
+#include <ber_tlv_tag.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct asn_TYPE_descriptor_s; /* Forward declaration */
+struct asn_TYPE_member_s; /* Forward declaration */
+
+/*
+ * This type provides the context information for various ASN.1 routines,
+ * primarily ones doing decoding. A member _asn_ctx of this type must be
+ * included into certain target language's structures, such as compound types.
+ */
+typedef struct asn_struct_ctx_s {
+ short phase; /* Decoding phase */
+ short step; /* Elementary step of a phase */
+ int context; /* Other context information */
+ void *ptr; /* Decoder-specific stuff (stack elements) */
+ ber_tlv_len_t left; /* Number of bytes left, -1 for indefinite */
+} asn_struct_ctx_t;
+
+#include <ber_decoder.h> /* Basic Encoding Rules decoder */
+#include <der_encoder.h> /* Distinguished Encoding Rules encoder */
+#include <xer_decoder.h> /* Decoder of XER (XML, text) */
+#include <xer_encoder.h> /* Encoder into XER (XML, text) */
+#include <per_decoder.h> /* Packet Encoding Rules decoder */
+#include <per_encoder.h> /* Packet Encoding Rules encoder */
+#include <constraints.h> /* Subtype constraints support */
+
+/*
+ * Free the structure according to its specification.
+ * If (free_contents_only) is set, the wrapper structure itself (struct_ptr)
+ * will not be freed. (It may be useful in case the structure is allocated
+ * statically or arranged on the stack, yet its elements are allocated
+ * dynamically.)
+ */
+typedef void (asn_struct_free_f)(
+ struct asn_TYPE_descriptor_s *type_descriptor,
+ void *struct_ptr, int free_contents_only);
+#define ASN_STRUCT_FREE(asn_DEF, ptr) (asn_DEF).free_struct(&(asn_DEF),ptr,0)
+#define ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF, ptr) \
+ (asn_DEF).free_struct(&(asn_DEF),ptr,1)
+
+/*
+ * Print the structure according to its specification.
+ */
+typedef int (asn_struct_print_f)(
+ struct asn_TYPE_descriptor_s *type_descriptor,
+ const void *struct_ptr,
+ int level, /* Indentation level */
+ asn_app_consume_bytes_f *callback, void *app_key);
+
+/*
+ * Return the outmost tag of the type.
+ * If the type is untagged CHOICE, the dynamic operation is performed.
+ * NOTE: This function pointer type is only useful internally.
+ * Do not use it in your application.
+ */
+typedef ber_tlv_tag_t (asn_outmost_tag_f)(
+ const struct asn_TYPE_descriptor_s *type_descriptor,
+ const void *struct_ptr, int tag_mode, ber_tlv_tag_t tag);
+/* The instance of the above function type; used internally. */
+asn_outmost_tag_f asn_TYPE_outmost_tag;
+
+
+/*
+ * The definitive description of the destination language's structure.
+ */
+typedef struct asn_TYPE_descriptor_s {
+ const char *name; /* A name of the ASN.1 type. "" in some cases. */
+ const char *xml_tag; /* Name used in XML tag */
+
+ /*
+ * Generalized functions for dealing with the specific type.
+ * May be directly invoked by applications.
+ */
+ asn_struct_free_f *free_struct; /* Free the structure */
+ asn_struct_print_f *print_struct; /* Human readable output */
+ asn_constr_check_f *check_constraints; /* Constraints validator */
+ ber_type_decoder_f *ber_decoder; /* Generic BER decoder */
+ der_type_encoder_f *der_encoder; /* Canonical DER encoder */
+ xer_type_decoder_f *xer_decoder; /* Generic XER decoder */
+ xer_type_encoder_f *xer_encoder; /* [Canonical] XER encoder */
+ per_type_decoder_f *uper_decoder; /* Unaligned PER decoder */
+ per_type_encoder_f *uper_encoder; /* Unaligned PER encoder */
+ per_type_decoder_f *aper_decoder; /* Aligned PER decoder */
+ per_type_encoder_f *aper_encoder; /* Aligned PER encoder */
+
+ /***********************************************************************
+ * Internally useful members. Not to be used by applications directly. *
+ **********************************************************************/
+
+ /*
+ * Tags that are expected to occur.
+ */
+ asn_outmost_tag_f *outmost_tag; /* <optional, internal> */
+ const ber_tlv_tag_t *tags; /* Effective tags sequence for this type */
+ int tags_count; /* Number of tags which are expected */
+ const ber_tlv_tag_t *all_tags; /* Every tag for BER/containment */
+ int all_tags_count; /* Number of tags */
+
+ asn_per_constraints_t *per_constraints; /* PER compiled constraints */
+
+ /*
+ * An ASN.1 production type members (members of SEQUENCE, SET, CHOICE).
+ */
+ struct asn_TYPE_member_s *elements;
+ int elements_count;
+
+ /*
+ * Additional information describing the type, used by appropriate
+ * functions above.
+ */
+ const void *specifics;
+} asn_TYPE_descriptor_t;
+
+/*
+ * This type describes an element of the constructed type,
+ * i.e. SEQUENCE, SET, CHOICE, etc.
+ */
+ enum asn_TYPE_flags_e {
+ ATF_NOFLAGS,
+ ATF_POINTER = 0x01, /* Represented by the pointer */
+ ATF_OPEN_TYPE = 0x02 /* ANY type, without meaningful tag */
+ };
+typedef struct asn_TYPE_member_s {
+ enum asn_TYPE_flags_e flags; /* Element's presentation flags */
+ int optional; /* Following optional members, including current */
+ int memb_offset; /* Offset of the element */
+ ber_tlv_tag_t tag; /* Outmost (most immediate) tag */
+ int tag_mode; /* IMPLICIT/no/EXPLICIT tag at current level */
+ asn_TYPE_descriptor_t *type; /* Member type descriptor */
+ asn_constr_check_f *memb_constraints; /* Constraints validator */
+ asn_per_constraints_t *per_constraints; /* PER compiled constraints */
+ int (*default_value)(int setval, void **sptr); /* DEFAULT <value> */
+ const char *name; /* ASN.1 identifier of the element */
+} asn_TYPE_member_t;
+
+/*
+ * BER tag to element number mapping.
+ */
+typedef struct asn_TYPE_tag2member_s {
+ ber_tlv_tag_t el_tag; /* Outmost tag of the member */
+ int el_no; /* Index of the associated member, base 0 */
+ int toff_first; /* First occurence of the el_tag, relative */
+ int toff_last; /* Last occurence of the el_tag, relatvie */
+} asn_TYPE_tag2member_t;
+
+/*
+ * This function is a wrapper around (td)->print_struct, which prints out
+ * the contents of the target language's structure (struct_ptr) into the
+ * file pointer (stream) in human readable form.
+ * RETURN VALUES:
+ * 0: The structure is printed.
+ * -1: Problem dumping the structure.
+ * (See also xer_fprint() in xer_encoder.h)
+ */
+int asn_fprint(FILE *stream, /* Destination stream descriptor */
+ asn_TYPE_descriptor_t *td, /* ASN.1 type descriptor */
+ const void *struct_ptr); /* Structure to be printed */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _CONSTR_TYPE_H_ */
diff --git a/include/osmocom/rspro/constraints.h b/include/osmocom/rspro/constraints.h
new file mode 100644
index 0000000..5032345
--- /dev/null
+++ b/include/osmocom/rspro/constraints.h
@@ -0,0 +1,63 @@
+/*-
+ * Copyright (c) 2004, 2006 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _ASN1_CONSTRAINTS_VALIDATOR_H_
+#define _ASN1_CONSTRAINTS_VALIDATOR_H_
+
+#include <asn_system.h> /* Platform-dependent types */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct asn_TYPE_descriptor_s; /* Forward declaration */
+
+/*
+ * Validate the structure according to the ASN.1 constraints.
+ * If errbuf and errlen are given, they shall be pointing to the appropriate
+ * buffer space and its length before calling this function. Alternatively,
+ * they could be passed as NULL's. If constraints validation fails,
+ * errlen will contain the actual number of bytes taken from the errbuf
+ * to encode an error message (properly 0-terminated).
+ *
+ * RETURN VALUES:
+ * This function returns 0 in case all ASN.1 constraints are met
+ * and -1 if one or more constraints were failed.
+ */
+int
+asn_check_constraints(struct asn_TYPE_descriptor_s *type_descriptor,
+ const void *struct_ptr, /* Target language's structure */
+ char *errbuf, /* Returned error description */
+ size_t *errlen /* Length of the error description */
+ );
+
+
+/*
+ * Generic type for constraint checking callback,
+ * associated with every type descriptor.
+ */
+typedef int (asn_constr_check_f)(
+ struct asn_TYPE_descriptor_s *type_descriptor,
+ const void *struct_ptr,
+ asn_app_constraint_failed_f *optional_callback, /* Log the error */
+ void *optional_app_key /* Opaque key passed to a callback */
+ );
+
+/*******************************
+ * INTERNALLY USEFUL FUNCTIONS *
+ *******************************/
+
+asn_constr_check_f asn_generic_no_constraint; /* No constraint whatsoever */
+asn_constr_check_f asn_generic_unknown_constraint; /* Not fully supported */
+
+/*
+ * Invoke the callback with a complete error message.
+ */
+#define _ASN_CTFAIL if(ctfailcb) ctfailcb
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ASN1_CONSTRAINTS_VALIDATOR_H_ */
diff --git a/include/osmocom/rspro/der_encoder.h b/include/osmocom/rspro/der_encoder.h
new file mode 100644
index 0000000..61431c6
--- /dev/null
+++ b/include/osmocom/rspro/der_encoder.h
@@ -0,0 +1,68 @@
+/*-
+ * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _DER_ENCODER_H_
+#define _DER_ENCODER_H_
+
+#include <asn_application.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct asn_TYPE_descriptor_s; /* Forward declaration */
+
+/*
+ * The DER encoder of any type. May be invoked by the application.
+ * The ber_decode() function (ber_decoder.h) is an opposite of der_encode().
+ */
+asn_enc_rval_t der_encode(struct asn_TYPE_descriptor_s *type_descriptor,
+ void *struct_ptr, /* Structure to be encoded */
+ asn_app_consume_bytes_f *consume_bytes_cb,
+ void *app_key /* Arbitrary callback argument */
+ );
+
+/* A variant of der_encode() which encodes data into the pre-allocated buffer */
+asn_enc_rval_t der_encode_to_buffer(
+ struct asn_TYPE_descriptor_s *type_descriptor,
+ void *struct_ptr, /* Structure to be encoded */
+ void *buffer, /* Pre-allocated buffer */
+ size_t buffer_size /* Initial buffer size (maximum) */
+ );
+
+/*
+ * Type of the generic DER encoder.
+ */
+typedef asn_enc_rval_t (der_type_encoder_f)(
+ struct asn_TYPE_descriptor_s *type_descriptor,
+ void *struct_ptr, /* Structure to be encoded */
+ int tag_mode, /* {-1,0,1}: IMPLICIT, no, EXPLICIT */
+ ber_tlv_tag_t tag,
+ asn_app_consume_bytes_f *consume_bytes_cb, /* Callback */
+ void *app_key /* Arbitrary callback argument */
+ );
+
+
+/*******************************
+ * INTERNALLY USEFUL FUNCTIONS *
+ *******************************/
+
+/*
+ * Write out leading TL[v] sequence according to the type definition.
+ */
+ssize_t der_write_tags(
+ struct asn_TYPE_descriptor_s *type_descriptor,
+ size_t struct_length,
+ int tag_mode, /* {-1,0,1}: IMPLICIT, no, EXPLICIT */
+ int last_tag_form, /* {0,!0}: prim, constructed */
+ ber_tlv_tag_t tag,
+ asn_app_consume_bytes_f *consume_bytes_cb,
+ void *app_key
+ );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _DER_ENCODER_H_ */
diff --git a/include/osmocom/rspro/per_decoder.h b/include/osmocom/rspro/per_decoder.h
new file mode 100644
index 0000000..5541bae
--- /dev/null
+++ b/include/osmocom/rspro/per_decoder.h
@@ -0,0 +1,78 @@
+/*-
+ * Copyright (c) 2005, 2007 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _PER_DECODER_H_
+#define _PER_DECODER_H_
+
+#include <asn_application.h>
+#include <per_support.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct asn_TYPE_descriptor_s; /* Forward declaration */
+
+/*
+ * Unaligned PER decoder of a "complete encoding" as per X.691#10.1.
+ * On success, this call always returns (.consumed >= 1), as per X.691#10.1.3.
+ */
+asn_dec_rval_t uper_decode_complete(struct asn_codec_ctx_s *opt_codec_ctx,
+ struct asn_TYPE_descriptor_s *type_descriptor, /* Type to decode */
+ void **struct_ptr, /* Pointer to a target structure's pointer */
+ const void *buffer, /* Data to be decoded */
+ size_t size /* Size of data buffer */
+ );
+
+/*
+ * Unaligned PER decoder of any ASN.1 type. May be invoked by the application.
+ * WARNING: This call returns the number of BITS read from the stream. Beware.
+ */
+asn_dec_rval_t uper_decode(struct asn_codec_ctx_s *opt_codec_ctx,
+ struct asn_TYPE_descriptor_s *type_descriptor, /* Type to decode */
+ void **struct_ptr, /* Pointer to a target structure's pointer */
+ const void *buffer, /* Data to be decoded */
+ size_t size, /* Size of data buffer */
+ int skip_bits, /* Number of unused leading bits, 0..7 */
+ int unused_bits /* Number of unused tailing bits, 0..7 */
+ );
+
+/*
+ * Aligned PER decoder of a "complete encoding" as per X.691#10.1.
+ * On success, this call always returns (.consumed >= 1), as per X.691#10.1.3.
+ */
+asn_dec_rval_t aper_decode_complete(struct asn_codec_ctx_s *opt_codec_ctx,
+ struct asn_TYPE_descriptor_s *type_descriptor, /* Type to decode */
+ void **struct_ptr, /* Pointer to a target structure's pointer */
+ const void *buffer, /* Data to be decoded */
+ size_t size /* Size of data buffer */
+ );
+
+/*
+ * Aligned PER decoder of any ASN.1 type. May be invoked by the application.
+ * WARNING: This call returns the number of BITS read from the stream. Beware.
+ */
+asn_dec_rval_t aper_decode(struct asn_codec_ctx_s *opt_codec_ctx,
+ struct asn_TYPE_descriptor_s *type_descriptor, /* Type to decode */
+ void **struct_ptr, /* Pointer to a target structure's pointer */
+ const void *buffer, /* Data to be decoded */
+ size_t size, /* Size of data buffer */
+ int skip_bits, /* Number of unused leading bits, 0..7 */
+ int unused_bits /* Number of unused tailing bits, 0..7 */
+ );
+/*
+ * Type of the type-specific PER decoder function.
+ */
+typedef asn_dec_rval_t (per_type_decoder_f)(asn_codec_ctx_t *opt_codec_ctx,
+ struct asn_TYPE_descriptor_s *type_descriptor,
+ asn_per_constraints_t *constraints,
+ void **struct_ptr,
+ asn_per_data_t *per_data
+ );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PER_DECODER_H_ */
diff --git a/include/osmocom/rspro/per_encoder.h b/include/osmocom/rspro/per_encoder.h
new file mode 100644
index 0000000..e3b9190
--- /dev/null
+++ b/include/osmocom/rspro/per_encoder.h
@@ -0,0 +1,80 @@
+/*-
+ * Copyright (c) 2006, 2007 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _PER_ENCODER_H_
+#define _PER_ENCODER_H_
+
+#include <asn_application.h>
+#include <per_support.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct asn_TYPE_descriptor_s; /* Forward declaration */
+
+/*
+ * Unaligned PER encoder of any ASN.1 type. May be invoked by the application.
+ * WARNING: This function returns the number of encoded bits in the .encoded
+ * field of the return value. Use the following formula to convert to bytes:
+ * bytes = ((.encoded + 7) / 8)
+ */
+asn_enc_rval_t uper_encode(struct asn_TYPE_descriptor_s *type_descriptor,
+ void *struct_ptr, /* Structure to be encoded */
+ asn_app_consume_bytes_f *consume_bytes_cb, /* Data collector */
+ void *app_key /* Arbitrary callback argument */
+);
+
+/*
+ * A variant of uper_encode() which encodes data into the existing buffer
+ * WARNING: This function returns the number of encoded bits in the .encoded
+ * field of the return value.
+ */
+asn_enc_rval_t uper_encode_to_buffer(
+ struct asn_TYPE_descriptor_s *type_descriptor,
+ void *struct_ptr, /* Structure to be encoded */
+ void *buffer, /* Pre-allocated buffer */
+ size_t buffer_size /* Initial buffer size (max) */
+);
+
+asn_enc_rval_t aper_encode_to_buffer(
+ struct asn_TYPE_descriptor_s *type_descriptor,
+ void *struct_ptr, /* Structure to be encoded */
+ void *buffer, /* Pre-allocated buffer */
+ size_t buffer_size /* Initial buffer size (max) */
+);
+/*
+ * A variant of uper_encode_to_buffer() which allocates buffer itself.
+ * Returns the number of bytes in the buffer or -1 in case of failure.
+ * WARNING: This function produces a "Production of the complete encoding",
+ * with length of at least one octet. Contrast this to precise bit-packing
+ * encoding of uper_encode() and uper_encode_to_buffer().
+ */
+ssize_t uper_encode_to_new_buffer(
+ struct asn_TYPE_descriptor_s *type_descriptor,
+ asn_per_constraints_t *constraints,
+ void *struct_ptr, /* Structure to be encoded */
+ void **buffer_r /* Buffer allocated and returned */
+);
+
+ssize_t
+aper_encode_to_new_buffer(struct asn_TYPE_descriptor_s *td,
+ asn_per_constraints_t *constraints,
+ void *sptr,
+ void **buffer_r);
+/*
+ * Type of the generic PER encoder function.
+ */
+typedef asn_enc_rval_t (per_type_encoder_f)(
+ struct asn_TYPE_descriptor_s *type_descriptor,
+ asn_per_constraints_t *constraints,
+ void *struct_ptr,
+ asn_per_outp_t *per_output
+);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PER_ENCODER_H_ */
diff --git a/include/osmocom/rspro/per_opentype.h b/include/osmocom/rspro/per_opentype.h
new file mode 100644
index 0000000..2117efe
--- /dev/null
+++ b/include/osmocom/rspro/per_opentype.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2007 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _PER_OPENTYPE_H_
+#define _PER_OPENTYPE_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+asn_dec_rval_t uper_open_type_get(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td, asn_per_constraints_t *constraints, void **sptr, asn_per_data_t *pd);
+
+int uper_open_type_skip(asn_codec_ctx_t *opt_codec_ctx, asn_per_data_t *pd);
+
+int uper_open_type_put(asn_TYPE_descriptor_t *td, asn_per_constraints_t *constraints, void *sptr, asn_per_outp_t *po);
+
+int aper_open_type_put(asn_TYPE_descriptor_t *td, asn_per_constraints_t *constraints, void *sptr, asn_per_outp_t *po);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PER_OPENTYPE_H_ */
diff --git a/include/osmocom/rspro/per_support.h b/include/osmocom/rspro/per_support.h
new file mode 100644
index 0000000..181fe24
--- /dev/null
+++ b/include/osmocom/rspro/per_support.h
@@ -0,0 +1,152 @@
+/*
+ * Copyright (c) 2005-2014 Lev Walkin <vlm@lionet.info>.
+ * All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _PER_SUPPORT_H_
+#define _PER_SUPPORT_H_
+
+#include <asn_system.h> /* Platform-specific types */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Pre-computed PER constraints.
+ */
+typedef const struct asn_per_constraint_s {
+ enum asn_per_constraint_flags {
+ APC_UNCONSTRAINED = 0x0, /* No PER visible constraints */
+ APC_SEMI_CONSTRAINED = 0x1, /* Constrained at "lb" */
+ APC_CONSTRAINED = 0x2, /* Fully constrained */
+ APC_EXTENSIBLE = 0x4 /* May have extension */
+ } flags;
+ int range_bits; /* Full number of bits in the range */
+ int effective_bits; /* Effective bits */
+ int64_t lower_bound; /* "lb" value */
+ int64_t upper_bound; /* "ub" value */
+} asn_per_constraint_t;
+typedef const struct asn_per_constraints_s {
+ struct asn_per_constraint_s value;
+ struct asn_per_constraint_s size;
+ int (*value2code)(unsigned int value);
+ int (*code2value)(unsigned int code);
+} asn_per_constraints_t;
+
+/*
+ * This structure describes a position inside an incoming PER bit stream.
+ */
+typedef struct asn_per_data_s {
+ const uint8_t *buffer; /* Pointer to the octet stream */
+ size_t nboff; /* Bit offset to the meaningful bit */
+ size_t nbits; /* Number of bits in the stream */
+ size_t moved; /* Number of bits moved through this bit stream */
+ int (*refill)(struct asn_per_data_s *);
+ void *refill_key;
+} asn_per_data_t;
+
+/*
+ * Extract a small number of bits (<= 31) from the specified PER data pointer.
+ * This function returns -1 if the specified number of bits could not be
+ * extracted due to EOD or other conditions.
+ */
+int32_t per_get_few_bits(asn_per_data_t *per_data, int get_nbits);
+
+/* Undo the immediately preceeding "get_few_bits" operation */
+void per_get_undo(asn_per_data_t *per_data, int get_nbits);
+
+/*
+ * Extract a large number of bits from the specified PER data pointer.
+ * This function returns -1 if the specified number of bits could not be
+ * extracted due to EOD or other conditions.
+ */
+int per_get_many_bits(asn_per_data_t *pd, uint8_t *dst, int right_align,
+ int get_nbits);
+
+/*
+ * Get the length "n" from the Unaligned PER stream.
+ */
+ssize_t uper_get_length(asn_per_data_t *pd,
+ int effective_bound_bits,
+ int *repeat);
+
+ssize_t aper_get_length(asn_per_data_t *pd,
+ int range,
+ int effective_bound_bits,
+ int *repeat);
+
+/*
+ * Get the normally small length "n".
+ */
+ssize_t uper_get_nslength(asn_per_data_t *pd);
+ssize_t aper_get_nslength(asn_per_data_t *pd);
+
+/*
+ * Get the normally small non-negative whole number.
+ */
+ssize_t uper_get_nsnnwn(asn_per_data_t *pd);
+ssize_t aper_get_nsnnwn(asn_per_data_t *pd, int range);
+
+/* X.691-2008/11, #11.5.6 */
+int uper_get_constrained_whole_number(asn_per_data_t *pd, unsigned long *v, int nbits);
+
+/* Non-thread-safe debugging function, don't use it */
+char *per_data_string(asn_per_data_t *pd);
+
+/*
+ * This structure supports forming PER output.
+ */
+typedef struct asn_per_outp_s {
+ uint8_t *buffer; /* Pointer into the (tmpspace) */
+ size_t nboff; /* Bit offset to the meaningful bit */
+ size_t nbits; /* Number of bits left in (tmpspace) */
+ uint8_t tmpspace[32]; /* Preliminary storage to hold data */
+ int (*outper)(const void *data, size_t size, void *op_key);
+ void *op_key; /* Key for (outper) data callback */
+ size_t flushed_bytes; /* Bytes already flushed through (outper) */
+} asn_per_outp_t;
+
+/* Output a small number of bits (<= 31) */
+int per_put_few_bits(asn_per_outp_t *per_data, uint32_t bits, int obits);
+
+/* Output a large number of bits */
+int per_put_many_bits(asn_per_outp_t *po, const uint8_t *src, int put_nbits);
+
+/* X.691-2008/11, #11.5 */
+int uper_put_constrained_whole_number_s(asn_per_outp_t *po, long v, int nbits);
+int uper_put_constrained_whole_number_u(asn_per_outp_t *po, unsigned long v, int nbits);
+
+/* Align the current bit position to octet bundary */
+int aper_put_align(asn_per_outp_t *po);
+int32_t aper_get_align(asn_per_data_t *pd);
+
+/*
+ * Put the length "n" to the Unaligned PER stream.
+ * This function returns the number of units which may be flushed
+ * in the next units saving iteration.
+ */
+ssize_t uper_put_length(asn_per_outp_t *po, size_t whole_length);
+
+ssize_t aper_put_length(asn_per_outp_t *po, int range, size_t length);
+
+/*
+ * Put the normally small length "n" to the Unaligned PER stream.
+ * Returns 0 or -1.
+ */
+int uper_put_nslength(asn_per_outp_t *po, size_t length);
+
+int aper_put_nslength(asn_per_outp_t *po, size_t length);
+
+/*
+ * Put the normally small non-negative whole number.
+ */
+int uper_put_nsnnwn(asn_per_outp_t *po, int n);
+
+int aper_put_nsnnwn(asn_per_outp_t *po, int range, int number);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PER_SUPPORT_H_ */
diff --git a/include/osmocom/rspro/xer_decoder.h b/include/osmocom/rspro/xer_decoder.h
new file mode 100644
index 0000000..6988648
--- /dev/null
+++ b/include/osmocom/rspro/xer_decoder.h
@@ -0,0 +1,105 @@
+/*-
+ * Copyright (c) 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _XER_DECODER_H_
+#define _XER_DECODER_H_
+
+#include <asn_application.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct asn_TYPE_descriptor_s; /* Forward declaration */
+
+/*
+ * The XER decoder of any ASN.1 type. May be invoked by the application.
+ */
+asn_dec_rval_t xer_decode(struct asn_codec_ctx_s *opt_codec_ctx,
+ struct asn_TYPE_descriptor_s *type_descriptor,
+ void **struct_ptr, /* Pointer to a target structure's pointer */
+ const void *buffer, /* Data to be decoded */
+ size_t size /* Size of data buffer */
+ );
+
+/*
+ * Type of the type-specific XER decoder function.
+ */
+typedef asn_dec_rval_t (xer_type_decoder_f)(asn_codec_ctx_t *opt_codec_ctx,
+ struct asn_TYPE_descriptor_s *type_descriptor,
+ void **struct_ptr,
+ const char *opt_mname, /* Member name */
+ const void *buf_ptr, size_t size
+ );
+
+/*******************************
+ * INTERNALLY USEFUL FUNCTIONS *
+ *******************************/
+
+/*
+ * Generalized function for decoding the primitive values.
+ * Used by more specialized functions, such as OCTET_STRING_decode_xer_utf8
+ * and others. This function should not be used by applications, as its API
+ * is subject to changes.
+ */
+asn_dec_rval_t xer_decode_general(asn_codec_ctx_t *opt_codec_ctx,
+ asn_struct_ctx_t *ctx, /* Type decoder context */
+ void *struct_key, /* Treated as opaque pointer */
+ const char *xml_tag, /* Expected XML tag name */
+ const void *buf_ptr, size_t size,
+ int (*opt_unexpected_tag_decoder)
+ (void *struct_key, const void *chunk_buf, size_t chunk_size),
+ ssize_t (*body_receiver)
+ (void *struct_key, const void *chunk_buf, size_t chunk_size,
+ int have_more)
+ );
+
+
+/*
+ * Fetch the next XER (XML) token from the stream.
+ * The function returns the number of bytes occupied by the chunk type,
+ * returned in the _ch_type. The _ch_type is only set (and valid) when
+ * the return value is greater than 0.
+ */
+ typedef enum pxer_chunk_type {
+ PXER_TAG, /* Complete XER tag */
+ PXER_TEXT, /* Plain text between XER tags */
+ PXER_COMMENT /* A comment, may be part of */
+ } pxer_chunk_type_e;
+ssize_t xer_next_token(int *stateContext,
+ const void *buffer, size_t size, pxer_chunk_type_e *_ch_type);
+
+/*
+ * This function checks the buffer against the tag name is expected to occur.
+ */
+ typedef enum xer_check_tag {
+ XCT_BROKEN = 0, /* The tag is broken */
+ XCT_OPENING = 1, /* This is the <opening> tag */
+ XCT_CLOSING = 2, /* This is the </closing> tag */
+ XCT_BOTH = 3, /* This is the <modified/> tag */
+ XCT__UNK__MASK = 4, /* Mask of everything unexpected */
+ XCT_UNKNOWN_OP = 5, /* Unexpected <opening> tag */
+ XCT_UNKNOWN_CL = 6, /* Unexpected </closing> tag */
+ XCT_UNKNOWN_BO = 7 /* Unexpected <modified/> tag */
+ } xer_check_tag_e;
+xer_check_tag_e xer_check_tag(const void *buf_ptr, int size,
+ const char *need_tag);
+
+/*
+ * Get the number of bytes consisting entirely of XER whitespace characters.
+ * RETURN VALUES:
+ * >=0: Number of whitespace characters in the string.
+ */
+size_t xer_whitespace_span(const void *chunk_buf, size_t chunk_size);
+
+/*
+ * Skip the series of anticipated extensions.
+ */
+int xer_skip_unknown(xer_check_tag_e tcv, ber_tlv_len_t *depth);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _XER_DECODER_H_ */
diff --git a/include/osmocom/rspro/xer_encoder.h b/include/osmocom/rspro/xer_encoder.h
new file mode 100644
index 0000000..055e73c
--- /dev/null
+++ b/include/osmocom/rspro/xer_encoder.h
@@ -0,0 +1,59 @@
+/*-
+ * Copyright (c) 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _XER_ENCODER_H_
+#define _XER_ENCODER_H_
+
+#include <asn_application.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct asn_TYPE_descriptor_s; /* Forward declaration */
+
+/* Flags used by the xer_encode() and (*xer_type_encoder_f), defined below */
+enum xer_encoder_flags_e {
+ /* Mode of encoding */
+ XER_F_BASIC = 0x01, /* BASIC-XER (pretty-printing) */
+ XER_F_CANONICAL = 0x02 /* Canonical XER (strict rules) */
+};
+
+/*
+ * The XER encoder of any type. May be invoked by the application.
+ */
+asn_enc_rval_t xer_encode(struct asn_TYPE_descriptor_s *type_descriptor,
+ void *struct_ptr, /* Structure to be encoded */
+ enum xer_encoder_flags_e xer_flags,
+ asn_app_consume_bytes_f *consume_bytes_cb,
+ void *app_key /* Arbitrary callback argument */
+ );
+
+/*
+ * The variant of the above function which dumps the BASIC-XER (XER_F_BASIC)
+ * output into the chosen file pointer.
+ * RETURN VALUES:
+ * 0: The structure is printed.
+ * -1: Problem printing the structure.
+ * WARNING: No sensible errno value is returned.
+ */
+int xer_fprint(FILE *stream, struct asn_TYPE_descriptor_s *td, void *sptr);
+
+/*
+ * Type of the generic XER encoder.
+ */
+typedef asn_enc_rval_t (xer_type_encoder_f)(
+ struct asn_TYPE_descriptor_s *type_descriptor,
+ void *struct_ptr, /* Structure to be encoded */
+ int ilevel, /* Level of indentation */
+ enum xer_encoder_flags_e xer_flags,
+ asn_app_consume_bytes_f *consume_bytes_cb, /* Callback */
+ void *app_key /* Arbitrary callback argument */
+ );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _XER_ENCODER_H_ */
diff --git a/include/osmocom/rspro/xer_support.h b/include/osmocom/rspro/xer_support.h
new file mode 100644
index 0000000..8b01944
--- /dev/null
+++ b/include/osmocom/rspro/xer_support.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2003, 2004 X/IO Labs, xiolabs.com.
+ * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _XER_SUPPORT_H_
+#define _XER_SUPPORT_H_
+
+#include <asn_system.h> /* Platform-specific types */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Types of data transferred to the application.
+ */
+typedef enum {
+ PXML_TEXT, /* Plain text between XML tags. */
+ PXML_TAG, /* A tag, starting with '<'. */
+ PXML_COMMENT, /* An XML comment, including "<!--" and "-->". */
+ /*
+ * The following chunk types are reported if the chunk
+ * terminates the specified XML element.
+ */
+ PXML_TAG_END, /* Tag ended */
+ PXML_COMMENT_END /* Comment ended */
+} pxml_chunk_type_e;
+
+/*
+ * Callback function that is called by the parser when parsed data is
+ * available. The _opaque is the pointer to a field containing opaque user
+ * data specified in pxml_create() call. The chunk type is _type and the text
+ * data is the piece of buffer identified by _bufid (as supplied to
+ * pxml_feed() call) starting at offset _offset and of _size bytes size.
+ * The chunk is NOT '\0'-terminated.
+ */
+typedef int (pxml_callback_f)(pxml_chunk_type_e _type,
+ const void *_chunk_data, size_t _chunk_size, void *_key);
+
+/*
+ * Parse the given buffer as it were a chunk of XML data.
+ * Invoke the specified callback each time the meaninful data is found.
+ * This function returns number of bytes consumed from the bufer.
+ * It will always be lesser than or equal to the specified _size.
+ * The next invocation of this function must account the difference.
+ */
+ssize_t pxml_parse(int *_stateContext, const void *_buf, size_t _size,
+ pxml_callback_f *cb, void *_key);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _XER_SUPPORT_H_ */