SIM-115: update simulator to use latest E2SM KPM version 3

[sim/e2-interface.git] / e2sim / e2sm_examples / kpm_e2sm / ASN1c / oer_decoder.c

diff --git a/e2sim/e2sm_examples/kpm_e2sm/ASN1c/oer_decoder.c b/e2sim/e2sm_examples/kpm_e2sm/ASN1c/oer_decoder.c
deleted file mode 100644 (file)
index 0701738..0000000
--- a/e2sim/e2sm_examples/kpm_e2sm/ASN1c/oer_decoder.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * Copyright (c) 2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
- * Redistribution and modifications are permitted subject to BSD license.
- */
-#include <asn_internal.h>
-#include <asn_codecs_prim.h>
-
-/*
- * The OER decoder of any type.
- */
-asn_dec_rval_t
-oer_decode(const asn_codec_ctx_t *opt_codec_ctx,
-           const asn_TYPE_descriptor_t *type_descriptor, void **struct_ptr,
-           const void *ptr, size_t size) {
-    asn_codec_ctx_t s_codec_ctx;
-
-       /*
-        * Stack checker requires that the codec context
-        * must be allocated on the stack.
-        */
-       if(opt_codec_ctx) {
-               if(opt_codec_ctx->max_stack_size) {
-                       s_codec_ctx = *opt_codec_ctx;
-                       opt_codec_ctx = &s_codec_ctx;
-               }
-       } else {
-               /* If context is not given, be security-conscious anyway */
-               memset(&s_codec_ctx, 0, sizeof(s_codec_ctx));
-               s_codec_ctx.max_stack_size = ASN__DEFAULT_STACK_MAX;
-               opt_codec_ctx = &s_codec_ctx;
-       }
-
-       /*
-        * Invoke type-specific decoder.
-        */
-       return type_descriptor->op->oer_decoder(opt_codec_ctx, type_descriptor, 0,
-               struct_ptr,     /* Pointer to the destination structure */
-               ptr, size       /* Buffer and its size */
-               );
-}
-
-/*
- * Open Type is encoded as a length (#8.6) followed by that number of bytes.
- * Since we're just skipping, reading the length would be enough.
- */
-ssize_t
-oer_open_type_skip(const void *bufptr, size_t size) {
-    size_t len = 0;
-    return oer_fetch_length(bufptr, size, &len);
-}
-
-/*
- * Read the Open Type (X.696 (08/2015), #30).
- * RETURN VALUES:
- *       0:     More data expected than bufptr contains.
- *      -1:     Fatal error deciphering length.
- *      >0:     Number of bytes used from bufptr.
- */
-ssize_t
-oer_open_type_get(const asn_codec_ctx_t *opt_codec_ctx,
-                  const struct asn_TYPE_descriptor_s *td,
-                  const asn_oer_constraints_t *constraints, void **struct_ptr,
-                  const void *bufptr, size_t size) {
-    asn_dec_rval_t dr;
-    size_t container_len = 0;
-    ssize_t len_len;
-    enum asn_struct_free_method dispose_method =
-        (*struct_ptr) ? ASFM_FREE_UNDERLYING_AND_RESET : ASFM_FREE_EVERYTHING;
-
-    /* Get the size of a length determinant */
-    len_len = oer_fetch_length(bufptr, size, &container_len);
-    if(len_len <= 0) {
-        return len_len; /* Error or more data expected */
-    }
-
-    /*
-     * len_len can't be bigger than size, but size without len_len
-     * should be bigger or equal to container length
-     */
-    if(size - len_len < container_len) {
-        /* More data is expected */
-        return 0;
-    }
-
-    dr = td->op->oer_decoder(opt_codec_ctx, td, constraints, struct_ptr,
-                         (const uint8_t *)bufptr + len_len, container_len);
-    if(dr.code == RC_OK) {
-        return len_len + container_len;
-    } else {
-        /* Even if RC_WMORE, we can't get more data into a closed container. */
-        td->op->free_struct(td, *struct_ptr, dispose_method);
-        *struct_ptr = NULL;
-        return -1;
-    }
-}
-
-
-asn_dec_rval_t
-oer_decode_primitive(const asn_codec_ctx_t *opt_codec_ctx,
-                     const asn_TYPE_descriptor_t *td,
-                     const asn_oer_constraints_t *constraints, void **sptr,
-                     const void *ptr, size_t size) {
-    ASN__PRIMITIVE_TYPE_t *st = (ASN__PRIMITIVE_TYPE_t *)*sptr;
-    asn_dec_rval_t rval = {RC_OK, 0};
-    size_t expected_length = 0;
-    ssize_t len_len;
-
-    (void)td;
-    (void)opt_codec_ctx;
-    (void)constraints;
-
-    if(!st) {
-        st = (ASN__PRIMITIVE_TYPE_t *)(*sptr = CALLOC(
-                                           1, sizeof(ASN__PRIMITIVE_TYPE_t)));
-        if(!st) ASN__DECODE_FAILED;
-    }
-
-
-    /*
-     * X.696 (08/2015) #27.2
-     * Encode length determinant as _number of octets_, but only
-     * if upper bound is not equal to lower bound.
-     */
-    len_len = oer_fetch_length(ptr, size, &expected_length);
-    if(len_len > 0) {
-        rval.consumed = len_len;
-        ptr = (const char *)ptr + len_len;
-        size -= len_len;
-    } else if(len_len == 0) {
-        ASN__DECODE_STARVED;
-    } else if(len_len < 0) {
-        ASN__DECODE_FAILED;
-    }
-
-    if(size < expected_length) {
-        ASN__DECODE_STARVED;
-    } else {
-        uint8_t *buf = MALLOC(expected_length + 1);
-        if(buf == NULL) {
-            ASN__DECODE_FAILED;
-        } else {
-            memcpy(buf, ptr, expected_length);
-            buf[expected_length] = '\0';
-        }
-        FREEMEM(st->buf);
-        st->buf = buf;
-        st->size = expected_length;
-
-        rval.consumed += expected_length;
-        return rval;
-    }
-}