Keep the colleague's microbu-esp32c5 tree in this repository
obu-firmware builds against vanetza-idf from microbu-esp32c5/external, but that tree was gitignored, so a clone of this repository could not build the firmware it ships. It is now committed here as ordinary files in its own folder, microbu-esp32c5/: the colleague's commit cf4b99f plus the V2X2MAP bridge's signature verification (--trust) used on the bench. Nothing is fetched from or pushed to the colleague's repository; this repository and its remotes carry everything. The folder's own .gitignore keeps build output, downloaded components and private key material out, as it did there; the committed file set is identical to that repository's tracked files. The ESP32-C5 is still flashed from obu-firmware/, which only takes vanetza-idf from microbu-esp32c5/, so the two stay separate folders. FLASHING.md says how to take a newer version of the colleague's tree (copy it over the folder, rebuild, test, commit).
This commit is contained in:
Ashin Walpola
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/*
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* Copyright (c) 2017 Lev Walkin <vlm@lionet.info>.
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* All rights reserved.
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* Redistribution and modifications are permitted subject to BSD license.
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*/
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#include "asn_internal.h"
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#include "INTEGER.h"
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struct je2v_key {
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const char *start;
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const char *stop;
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const asn_INTEGER_enum_map_t *vemap;
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const unsigned int *evmap;
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};
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static int
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INTEGER_jer_st_prealloc(INTEGER_t *st, int min_size) {
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void *p = MALLOC(min_size + 1);
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if(p) {
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void *b = st->buf;
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st->size = 0;
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st->buf = p;
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FREEMEM(b);
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return 0;
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} else {
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return -1;
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}
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}
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/*
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* Decode the chunk of JSON text encoding INTEGER.
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*/
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static enum jer_pbd_rval
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INTEGER__jer_body_decode(const asn_TYPE_descriptor_t *td, void *sptr,
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const void *chunk_buf, size_t chunk_size) {
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const asn_INTEGER_specifics_t *specs =
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(const asn_INTEGER_specifics_t *)td->specifics;
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INTEGER_t *st = (INTEGER_t *)sptr;
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intmax_t dec_value;
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const char *lp;
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const char *lstart = (const char *)chunk_buf;
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const char *lstop = lstart + chunk_size;
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enum {
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ST_LEADSPACE,
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ST_WAITDIGITS,
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ST_DIGITS,
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ST_ZERO,
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ST_DIGITS_TRAILSPACE,
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ST_UNEXPECTED
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} state = ST_LEADSPACE;
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const char *dec_value_start = 0; /* INVARIANT: always !0 in ST_DIGITS */
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const char *dec_value_end = 0;
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if(chunk_size)
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ASN_DEBUG("INTEGER body %ld 0x%2x..0x%2x",
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(long)chunk_size, *lstart, lstop[-1]);
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if(INTEGER_jer_st_prealloc(st, (chunk_size/3) + 1))
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return JPBD_SYSTEM_FAILURE;
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/*
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* We may have received a tag here. It will be processed inline.
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* Use strtoul()-like code and serialize the result.
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*/
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for(lp = lstart; lp < lstop; lp++) {
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int lv = *lp;
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switch(lv) {
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case 0x09: case 0x0a: case 0x0d: case 0x20:
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switch(state) {
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case ST_LEADSPACE:
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case ST_DIGITS_TRAILSPACE:
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continue;
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case ST_DIGITS:
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case ST_ZERO:
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dec_value_end = lp;
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state = ST_DIGITS_TRAILSPACE;
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continue;
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default:
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break;
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}
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break;
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case 0x2d: /* '-' */
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if(state == ST_LEADSPACE) {
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dec_value = 0;
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dec_value_start = lp;
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state = ST_WAITDIGITS;
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continue;
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}
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break;
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case 0x30: /* 0 */
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switch(state) {
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case ST_DIGITS: continue;
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case ST_LEADSPACE:
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case ST_WAITDIGITS:
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dec_value = 0;
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dec_value_start = lp;
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state = ST_ZERO;
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continue;
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case ST_ZERO: /* forbidden leading zero */
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return JPBD_BROKEN_ENCODING;
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default:
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break;
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}
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break;
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/* [1-9] */
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case 0x31: case 0x32: case 0x33: case 0x34:
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case 0x35: case 0x36: case 0x37: case 0x38: case 0x39:
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switch(state) {
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case ST_DIGITS: continue;
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case ST_LEADSPACE:
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dec_value = 0;
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dec_value_start = lp;
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/* FALL THROUGH */
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case ST_WAITDIGITS:
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state = ST_DIGITS;
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continue;
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case ST_ZERO: /* forbidden leading zero */
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return JPBD_BROKEN_ENCODING;
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default:
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break;
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}
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break;
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}
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/* Found extra non-numeric stuff */
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ASN_DEBUG("INTEGER :: Found non-numeric 0x%2x at %ld",
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lv, (long)(lp - lstart));
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state = ST_UNEXPECTED;
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break;
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}
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switch(state) {
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case ST_DIGITS:
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case ST_ZERO:
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dec_value_end = lstop;
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/* FALL THROUGH */
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case ST_DIGITS_TRAILSPACE:
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/* The last symbol encountered was a digit. */
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switch(asn_strtoimax_lim(dec_value_start, &dec_value_end, &dec_value)) {
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case ASN_STRTOX_OK:
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if(specs && specs->field_unsigned && (uintmax_t) dec_value <= ULONG_MAX) {
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break;
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} else if(dec_value >= LONG_MIN && dec_value <= LONG_MAX) {
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break;
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} else {
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/*
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* We model INTEGER on long for JER,
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* to avoid rewriting all the tests at once.
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*/
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ASN_DEBUG("INTEGER exceeds long range");
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}
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/* Fall through */
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case ASN_STRTOX_ERROR_RANGE:
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ASN_DEBUG("INTEGER decode %s hit range limit", td->name);
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return JPBD_DECODER_LIMIT;
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case ASN_STRTOX_ERROR_INVAL:
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case ASN_STRTOX_EXPECT_MORE:
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case ASN_STRTOX_EXTRA_DATA:
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return JPBD_BROKEN_ENCODING;
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}
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break;
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case ST_LEADSPACE:
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/* Content not found */
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return JPBD_NOT_BODY_IGNORE;
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case ST_WAITDIGITS:
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case ST_UNEXPECTED:
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ASN_DEBUG("INTEGER: No useful digits (state %d)", state);
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return JPBD_BROKEN_ENCODING; /* No digits */
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}
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/*
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* Convert the result of parsing of enumeration or a straight
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* decimal value into a BER representation.
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*/
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if(asn_imax2INTEGER(st, dec_value)) {
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ASN_DEBUG("INTEGER decode %s conversion failed", td->name);
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return JPBD_SYSTEM_FAILURE;
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}
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return JPBD_BODY_CONSUMED;
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}
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asn_dec_rval_t
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INTEGER_decode_jer(const asn_codec_ctx_t *opt_codec_ctx,
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const asn_TYPE_descriptor_t *td,
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const asn_jer_constraints_t *constraints,
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void **sptr, const void *buf_ptr, size_t size) {
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return jer_decode_primitive(opt_codec_ctx, td,
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sptr, sizeof(INTEGER_t),
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buf_ptr, size, INTEGER__jer_body_decode);
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}
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asn_enc_rval_t
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INTEGER_encode_jer(const asn_TYPE_descriptor_t *td,
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const asn_jer_constraints_t *constraints,
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const void *sptr, int ilevel, enum jer_encoder_flags_e flags,
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asn_app_consume_bytes_f *cb, void *app_key) {
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const INTEGER_t *st = (const INTEGER_t *)sptr;
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asn_enc_rval_t er = {0,0,0};
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(void)ilevel;
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(void)flags;
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if(!st || !st->buf)
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ASN__ENCODE_FAILED;
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er.encoded = INTEGER__dump(td, st, cb, app_key, 2);
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if(er.encoded < 0) ASN__ENCODE_FAILED;
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ASN__ENCODED_OK(er);
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}
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