--- /dev/null
+/*
+ * Copyright (c) 2004-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#include <asn_internal.h>
+#include <ANY.h>
+#include <errno.h>
+
+asn_OCTET_STRING_specifics_t asn_SPC_ANY_specs = {
+ sizeof(ANY_t),
+ offsetof(ANY_t, _asn_ctx),
+ ASN_OSUBV_ANY
+};
+asn_TYPE_operation_t asn_OP_ANY = {
+ OCTET_STRING_free,
+ OCTET_STRING_print,
+ OCTET_STRING_compare,
+ OCTET_STRING_decode_ber,
+ OCTET_STRING_encode_der,
+ OCTET_STRING_decode_xer_hex,
+ ANY_encode_xer,
+#ifdef ASN_DISABLE_OER_SUPPORT
+ 0,
+ 0,
+#else
+ 0,
+ 0,
+#endif /* ASN_DISABLE_OER_SUPPORT */
+#ifdef ASN_DISABLE_PER_SUPPORT
+ 0, 0, 0, 0,
+#else
+ ANY_decode_uper,
+ ANY_encode_uper,
+ ANY_decode_aper,
+ ANY_encode_aper,
+#endif /* ASN_DISABLE_PER_SUPPORT */
+ 0, /* Random fill is not defined for ANY type */
+ 0 /* Use generic outmost tag fetcher */
+};
+asn_TYPE_descriptor_t asn_DEF_ANY = {
+ "ANY",
+ "ANY",
+ &asn_OP_ANY,
+ 0, 0, 0, 0,
+ { 0, 0, asn_generic_no_constraint }, /* No constraints */
+ 0, 0, /* No members */
+ &asn_SPC_ANY_specs,
+};
+
+#undef RETURN
+#define RETURN(_code) \
+ do { \
+ asn_dec_rval_t tmprval; \
+ tmprval.code = _code; \
+ tmprval.consumed = consumed_myself; \
+ return tmprval; \
+ } while(0)
+
+asn_enc_rval_t
+ANY_encode_xer(const asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
+ enum xer_encoder_flags_e flags, asn_app_consume_bytes_f *cb,
+ void *app_key) {
+ if(flags & XER_F_CANONICAL) {
+ /*
+ * Canonical XER-encoding of ANY type is not supported.
+ */
+ ASN__ENCODE_FAILED;
+ }
+
+ /* Dump as binary */
+ return OCTET_STRING_encode_xer(td, sptr, ilevel, flags, cb, app_key);
+}
+
+struct _callback_arg {
+ uint8_t *buffer;
+ size_t offset;
+ size_t size;
+};
+
+static int ANY__consume_bytes(const void *buffer, size_t size, void *key);
+
+int
+ANY_fromType(ANY_t *st, asn_TYPE_descriptor_t *td, void *sptr) {
+ struct _callback_arg arg;
+ asn_enc_rval_t erval = {0,0,0};
+
+ if(!st || !td) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ if(!sptr) {
+ if(st->buf) FREEMEM(st->buf);
+ st->size = 0;
+ return 0;
+ }
+
+ arg.offset = arg.size = 0;
+ arg.buffer = 0;
+
+ erval = der_encode(td, sptr, ANY__consume_bytes, &arg);
+ if(erval.encoded == -1) {
+ if(arg.buffer) FREEMEM(arg.buffer);
+ return -1;
+ }
+ assert((size_t)erval.encoded == arg.offset);
+
+ if(st->buf) FREEMEM(st->buf);
+ st->buf = arg.buffer;
+ st->size = arg.offset;
+
+ return 0;
+}
+
+int
+ANY_fromType_aper(ANY_t *st, asn_TYPE_descriptor_t *td, void *sptr) {
+ uint8_t *buffer = NULL;
+ ssize_t erval;
+
+ if(!st || !td) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ if(!sptr) {
+ if(st->buf) FREEMEM(st->buf);
+ st->size = 0;
+ return 0;
+ }
+
+ erval = aper_encode_to_new_buffer(td, td->encoding_constraints.per_constraints, sptr, (void**)&buffer);
+
+ if(erval == -1) {
+ if(buffer) FREEMEM(buffer);
+ return -1;
+ }
+ assert((size_t)erval > 0);
+
+ if(st->buf) FREEMEM(st->buf);
+ st->buf = buffer;
+ st->size = erval;
+
+ return 0;
+}
+
+ANY_t *
+ANY_new_fromType(asn_TYPE_descriptor_t *td, void *sptr) {
+ ANY_t tmp;
+ ANY_t *st;
+
+ if(!td || !sptr) {
+ errno = EINVAL;
+ return 0;
+ }
+
+ memset(&tmp, 0, sizeof(tmp));
+
+ if(ANY_fromType(&tmp, td, sptr)) return 0;
+
+ st = (ANY_t *)CALLOC(1, sizeof(ANY_t));
+ if(st) {
+ *st = tmp;
+ return st;
+ } else {
+ FREEMEM(tmp.buf);
+ return 0;
+ }
+}
+
+ANY_t *
+ANY_new_fromType_aper(asn_TYPE_descriptor_t *td, void *sptr) {
+ ANY_t tmp;
+ ANY_t *st;
+
+ if(!td || !sptr) {
+ errno = EINVAL;
+ return 0;
+ }
+
+ memset(&tmp, 0, sizeof(tmp));
+
+ if(ANY_fromType_aper(&tmp, td, sptr)) return 0;
+
+ st = (ANY_t *)CALLOC(1, sizeof(ANY_t));
+ if(st) {
+ *st = tmp;
+ return st;
+ } else {
+ FREEMEM(tmp.buf);
+ return 0;
+ }
+}
+
+int
+ANY_to_type(ANY_t *st, asn_TYPE_descriptor_t *td, void **struct_ptr) {
+ asn_dec_rval_t rval;
+ void *newst = 0;
+
+ if(!st || !td || !struct_ptr) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ if(st->buf == 0) {
+ /* Nothing to convert, make it empty. */
+ *struct_ptr = (void *)0;
+ return 0;
+ }
+
+ rval = ber_decode(0, td, (void **)&newst, st->buf, st->size);
+ if(rval.code == RC_OK) {
+ *struct_ptr = newst;
+ return 0;
+ } else {
+ /* Remove possibly partially decoded data. */
+ ASN_STRUCT_FREE(*td, newst);
+ return -1;
+ }
+}
+
+int
+ANY_to_type_aper(ANY_t *st, asn_TYPE_descriptor_t *td, void **struct_ptr) {
+ asn_dec_rval_t rval;
+ void *newst = 0;
+
+ if(!st || !td || !struct_ptr) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ if(st->buf == 0) {
+ /* Nothing to convert, make it empty. */
+ *struct_ptr = (void *)0;
+ return 0;
+ }
+
+ rval = aper_decode(0, td, (void **)&newst, st->buf, st->size, 0, 0);
+ if(rval.code == RC_OK) {
+ *struct_ptr = newst;
+ return 0;
+ } else {
+ /* Remove possibly partially decoded data. */
+ ASN_STRUCT_FREE(*td, newst);
+ return -1;
+ }
+}
+
+static int ANY__consume_bytes(const void *buffer, size_t size, void *key) {
+ struct _callback_arg *arg = (struct _callback_arg *)key;
+
+ if((arg->offset + size) >= arg->size) {
+ size_t nsize = (arg->size ? arg->size << 2 : 16) + size;
+ void *p = REALLOC(arg->buffer, nsize);
+ if(!p) return -1;
+ arg->buffer = (uint8_t *)p;
+ arg->size = nsize;
+ }
+
+ memcpy(arg->buffer + arg->offset, buffer, size);
+ arg->offset += size;
+ assert(arg->offset < arg->size);
+
+ return 0;
+}
+
+#ifndef ASN_DISABLE_PER_SUPPORT
+
+asn_dec_rval_t
+ANY_decode_uper(const asn_codec_ctx_t *opt_codec_ctx,
+ const asn_TYPE_descriptor_t *td,
+ const asn_per_constraints_t *constraints, void **sptr,
+ asn_per_data_t *pd) {
+ const asn_OCTET_STRING_specifics_t *specs =
+ td->specifics ? (const asn_OCTET_STRING_specifics_t *)td->specifics
+ : &asn_SPC_ANY_specs;
+ size_t consumed_myself = 0;
+ int repeat;
+ ANY_t *st = (ANY_t *)*sptr;
+
+ (void)opt_codec_ctx;
+ (void)constraints;
+
+ /*
+ * Allocate the structure.
+ */
+ if(!st) {
+ st = (ANY_t *)(*sptr = CALLOC(1, specs->struct_size));
+ if(!st) RETURN(RC_FAIL);
+ }
+
+ ASN_DEBUG("UPER Decoding ANY type");
+
+ st->size = 0;
+ do {
+ ssize_t raw_len;
+ ssize_t len_bytes;
+ ssize_t len_bits;
+ void *p;
+ int ret;
+
+ /* Get the PER length */
+ raw_len = uper_get_length(pd, -1, 0, &repeat);
+ if(raw_len < 0) RETURN(RC_WMORE);
+ if(raw_len == 0 && st->buf) break;
+
+ ASN_DEBUG("Got PER length len %" ASN_PRI_SIZE ", %s (%s)", raw_len,
+ repeat ? "repeat" : "once", td->name);
+ len_bytes = raw_len;
+ len_bits = len_bytes * 8;
+
+ p = REALLOC(st->buf, st->size + len_bytes + 1);
+ if(!p) RETURN(RC_FAIL);
+ st->buf = (uint8_t *)p;
+
+ ret = per_get_many_bits(pd, &st->buf[st->size], 0, len_bits);
+ if(ret < 0) RETURN(RC_WMORE);
+ consumed_myself += len_bits;
+ st->size += len_bytes;
+ } while(repeat);
+ st->buf[st->size] = 0; /* nul-terminate */
+
+ RETURN(RC_OK);
+}
+
+asn_enc_rval_t
+ANY_encode_uper(const asn_TYPE_descriptor_t *td,
+ const asn_per_constraints_t *constraints, const void *sptr,
+ asn_per_outp_t *po) {
+ const ANY_t *st = (const ANY_t *)sptr;
+ asn_enc_rval_t er = {0, 0, 0};
+ const uint8_t *buf;
+ size_t size;
+ int ret;
+
+ (void)constraints;
+
+ if(!st || (!st->buf && st->size)) ASN__ENCODE_FAILED;
+
+ buf = st->buf;
+ size = st->size;
+ do {
+ int need_eom = 0;
+ ssize_t may_save = uper_put_length(po, size, &need_eom);
+ if(may_save < 0) ASN__ENCODE_FAILED;
+
+ ret = per_put_many_bits(po, buf, may_save * 8);
+ if(ret) ASN__ENCODE_FAILED;
+
+ buf += may_save;
+ size -= may_save;
+ assert(!(may_save & 0x07) || !size);
+ if(need_eom && uper_put_length(po, 0, 0))
+ ASN__ENCODE_FAILED; /* End of Message length */
+ } while(size);
+
+ ASN__ENCODED_OK(er);
+}
+
+asn_dec_rval_t
+ANY_decode_aper(const asn_codec_ctx_t *opt_codec_ctx,
+ const asn_TYPE_descriptor_t *td,
+ const asn_per_constraints_t *constraints, void **sptr,
+ asn_per_data_t *pd) {
+ const asn_OCTET_STRING_specifics_t *specs =
+ td->specifics ? (const asn_OCTET_STRING_specifics_t *)td->specifics
+ : &asn_SPC_ANY_specs;
+ size_t consumed_myself = 0;
+ int repeat;
+ ANY_t *st = (ANY_t *)*sptr;
+
+ (void)opt_codec_ctx;
+ (void)constraints;
+
+ /*
+ * Allocate the structure.
+ */
+ if(!st) {
+ st = (ANY_t *)(*sptr = CALLOC(1, specs->struct_size));
+ if(!st) RETURN(RC_FAIL);
+ }
+
+ ASN_DEBUG("APER Decoding ANY type");
+
+ st->size = 0;
+ do {
+ ssize_t raw_len;
+ ssize_t len_bytes;
+ ssize_t len_bits;
+ void *p;
+ int ret;
+
+ /* Get the PER length */
+ raw_len = aper_get_length(pd, -1, 0, &repeat);
+ if(raw_len < 0) RETURN(RC_WMORE);
+ if(raw_len == 0 && st->buf) break;
+
+ ASN_DEBUG("Got PER length len %" ASN_PRI_SIZE ", %s (%s)", raw_len,
+ repeat ? "repeat" : "once", td->name);
+ len_bytes = raw_len;
+ len_bits = len_bytes * 8;
+
+ p = REALLOC(st->buf, st->size + len_bytes + 1);
+ if(!p) RETURN(RC_FAIL);
+ st->buf = (uint8_t *)p;
+
+ ret = per_get_many_bits(pd, &st->buf[st->size], 0, len_bits);
+ if(ret < 0) RETURN(RC_WMORE);
+ consumed_myself += len_bits;
+ st->size += len_bytes;
+ } while(repeat);
+ st->buf[st->size] = 0; /* nul-terminate */
+
+ RETURN(RC_OK);
+}
+
+asn_enc_rval_t
+ANY_encode_aper(const asn_TYPE_descriptor_t *td,
+ const asn_per_constraints_t *constraints, const void *sptr,
+ asn_per_outp_t *po) {
+ const ANY_t *st = (const ANY_t *)sptr;
+ asn_enc_rval_t er = {0, 0, 0};
+ const uint8_t *buf;
+ size_t size;
+ int ret;
+
+ (void)constraints;
+
+ if(!st || (!st->buf && st->size)) ASN__ENCODE_FAILED;
+
+ buf = st->buf;
+ size = st->size;
+ do {
+ int need_eom = 0;
+ ssize_t may_save = uper_put_length(po, size, &need_eom);
+ if(may_save < 0) ASN__ENCODE_FAILED;
+
+ ret = per_put_many_bits(po, buf, may_save * 8);
+ if(ret) ASN__ENCODE_FAILED;
+
+ buf += may_save;
+ size -= may_save;
+ assert(!(may_save & 0x07) || !size);
+ if(need_eom && uper_put_length(po, 0, 0))
+ ASN__ENCODE_FAILED; /* End of Message length */
+ } while(size);
+
+ ASN__ENCODED_OK(er);
+}
+#endif /* ASN_DISABLE_PER_SUPPORT */
+
Code Review / sim / e2-interface.git / blobdiff