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Added support for building emulation in Windows.

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It has not been tested but it should not break any linux build.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2024-01-01 01:54:49 +01:00
parent adf53b4231
commit a9dc6fd7f8
22 changed files with 681 additions and 269 deletions
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35
src/asn1.c
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@@ -17,44 +17,41 @@
#include "asn1.h"
size_t asn1_len_tag(uint16_t tag, size_t len) {
size_t ret = 1 + format_tlv_len(len, NULL) + len;
uint16_t asn1_len_tag(uint16_t tag, uint16_t len) {
uint16_t ret = 1 + format_tlv_len(len, NULL) + len;
if (tag > 0x00ff) {
return ret + 1;
}
return ret;
}
int format_tlv_len(size_t len, uint8_t *out) {
uint8_t format_tlv_len(uint16_t len, uint8_t *out) {
if (len < 128) {
if (out) {
*out = len;
*out = (uint8_t)len;
}
return 1;
}
else if (len < 256) {
if (out) {
*out++ = 0x81;
*out++ = len;
*out++ = (uint8_t)len;
}
return 2;
}
else {
if (out) {
*out++ = 0x82;
*out++ = (len >> 8) & 0xff;
*out++ = len & 0xff;
}
return 3;
if (out) {
*out++ = 0x82;
*out++ = (len >> 8) & 0xff;
*out++ = len & 0xff;
}
return 0;
return 3;
}
int walk_tlv(const uint8_t *cdata,
size_t cdata_len,
uint16_t cdata_len,
uint8_t **p,
uint16_t *tag,
size_t *tag_len,
uint16_t *tag_len,
uint8_t **data) {
if (!p) {
return 0;
@@ -66,7 +63,7 @@ int walk_tlv(const uint8_t *cdata,
return 0;
}
uint16_t tg = 0x0;
size_t tgl = 0;
uint16_t tgl = 0;
tg = *(*p)++;
if ((tg & 0x1f) == 0x1f) {
tg <<= 8;
@@ -94,14 +91,14 @@ int walk_tlv(const uint8_t *cdata,
}
bool asn1_find_tag(const uint8_t *data,
size_t data_len,
uint16_t data_len,
uint16_t itag,
size_t *tag_len,
uint16_t *tag_len,
uint8_t **tag_data) {
uint16_t tag = 0x0;
uint8_t *p = NULL;
uint8_t *tdata = NULL;
size_t tlen = 0;
uint16_t tlen = 0;
while (walk_tlv(data, data_len, &p, &tag, &tlen, &tdata)) {
if (itag == tag) {
if (tag_data != NULL) {