int
trn_cell_introduce1_add_encrypted(trn_cell_introduce1_t *inp, uint8_t elt)
{
TRUNNEL_DYNARRAY_ADD(uint8_t, &inp->encrypted, elt, {});
return 0;
trunnel_alloc_failed:
TRUNNEL_SET_ERROR_CODE(inp);
return -1;
}
int
auth1_add_sig(auth1_t *inp, uint8_t elt)
{
TRUNNEL_DYNARRAY_ADD(uint8_t, &inp->sig, elt, {});
return 0;
trunnel_alloc_failed:
TRUNNEL_SET_ERROR_CODE(inp);
return -1;
}
int
trn_cell_rendezvous1_add_handshake_info(trn_cell_rendezvous1_t *inp, uint8_t elt)
{
TRUNNEL_DYNARRAY_ADD(uint8_t, &inp->handshake_info, elt, {});
return 0;
trunnel_alloc_failed:
TRUNNEL_SET_ERROR_CODE(inp);
return -1;
}
int
pwbox_encoded_add_data(pwbox_encoded_t *inp, uint8_t elt)
{
TRUNNEL_DYNARRAY_ADD(uint8_t, &inp->data, elt, {});
return 0;
trunnel_alloc_failed:
TRUNNEL_SET_ERROR_CODE(inp);
return -1;
}
int
ed25519_cert_extension_add_un_unparsed(ed25519_cert_extension_t *inp, uint8_t elt)
{
TRUNNEL_DYNARRAY_ADD(uint8_t, &inp->un_unparsed, elt, {});
return 0;
trunnel_alloc_failed:
TRUNNEL_SET_ERROR_CODE(inp);
return -1;
}
int
trn_cell_introduce_encrypted_add_onion_key(trn_cell_introduce_encrypted_t *inp, uint8_t elt)
{
#if SIZE_MAX >= UINT16_MAX
if (inp->onion_key.n_ == UINT16_MAX)
goto trunnel_alloc_failed;
#endif
TRUNNEL_DYNARRAY_ADD(uint8_t, &inp->onion_key, elt, {});
return 0;
trunnel_alloc_failed:
TRUNNEL_SET_ERROR_CODE(inp);
return -1;
}
int
rsa_ed_crosscert_add_sig(rsa_ed_crosscert_t *inp, uint8_t elt)
{
#if SIZE_MAX >= UINT8_MAX
if (inp->sig.n_ == UINT8_MAX)
goto trunnel_alloc_failed;
#endif
TRUNNEL_DYNARRAY_ADD(uint8_t, &inp->sig, elt, {});
return 0;
trunnel_alloc_failed:
TRUNNEL_SET_ERROR_CODE(inp);
return -1;
}
int
certs_cell_cert_add_body(certs_cell_cert_t *inp, uint8_t elt)
{
#if SIZE_MAX >= UINT16_MAX
if (inp->body.n_ == UINT16_MAX)
goto trunnel_alloc_failed;
#endif
TRUNNEL_DYNARRAY_ADD(uint8_t, &inp->body, elt, {});
return 0;
trunnel_alloc_failed:
TRUNNEL_SET_ERROR_CODE(inp);
return -1;
}
int
auth_challenge_cell_add_methods(auth_challenge_cell_t *inp, uint16_t elt)
{
#if SIZE_MAX >= UINT16_MAX
if (inp->methods.n_ == UINT16_MAX)
goto trunnel_alloc_failed;
#endif
TRUNNEL_DYNARRAY_ADD(uint16_t, &inp->methods, elt, {});
return 0;
trunnel_alloc_failed:
TRUNNEL_SET_ERROR_CODE(inp);
return -1;
}
int
pwbox_encoded_add_skey_header(pwbox_encoded_t *inp, uint8_t elt)
{
#if SIZE_MAX >= UINT8_MAX
if (inp->skey_header.n_ == UINT8_MAX)
goto trunnel_alloc_failed;
#endif
TRUNNEL_DYNARRAY_ADD(uint8_t, &inp->skey_header, elt, {});
return 0;
trunnel_alloc_failed:
TRUNNEL_SET_ERROR_CODE(inp);
return -1;
}
/** As auth_challenge_cell_parse(), but do not allocate the output
* object.
*/
static ssize_t
auth_challenge_cell_parse_into(auth_challenge_cell_t *obj, const uint8_t *input, const size_t len_in)
{
const uint8_t *ptr = input;
size_t remaining = len_in;
ssize_t result = 0;
(void)result;
/* Parse u8 challenge[32] */
CHECK_REMAINING(32, truncated);
memcpy(obj->challenge, ptr, 32);
remaining -= 32; ptr += 32;
/* Parse u16 n_methods */
CHECK_REMAINING(2, truncated);
obj->n_methods = trunnel_ntohs(trunnel_get_uint16(ptr));
remaining -= 2; ptr += 2;
/* Parse u16 methods[n_methods] */
TRUNNEL_DYNARRAY_EXPAND(uint16_t, &obj->methods, obj->n_methods, {});
{
uint16_t elt;
unsigned idx;
for (idx = 0; idx < obj->n_methods; ++idx) {
CHECK_REMAINING(2, truncated);
elt = trunnel_ntohs(trunnel_get_uint16(ptr));
remaining -= 2; ptr += 2;
TRUNNEL_DYNARRAY_ADD(uint16_t, &obj->methods, elt, {});
}
}
trunnel_assert(ptr + remaining == input + len_in);
return len_in - remaining;
truncated:
return -2;
trunnel_alloc_failed:
return -1;
}
