ssize_t
trn_cell_introduce1_encoded_len(const trn_cell_introduce1_t *obj)
{
ssize_t result = 0;
if (NULL != trn_cell_introduce1_check(obj))
return -1;
/* Length of u8 legacy_key_id[TRUNNEL_SHA1_LEN] */
result += TRUNNEL_SHA1_LEN;
/* Length of u8 auth_key_type IN [0, 1, 2] */
result += 1;
/* Length of u16 auth_key_len */
result += 2;
/* Length of u8 auth_key[auth_key_len] */
result += TRUNNEL_DYNARRAY_LEN(&obj->auth_key);
/* Length of struct trn_cell_extension extensions */
result += trn_cell_extension_encoded_len(obj->extensions);
/* Length of u8 encrypted[] */
result += TRUNNEL_DYNARRAY_LEN(&obj->encrypted);
return result;
}
ssize_t
pwbox_encoded_encoded_len(const pwbox_encoded_t *obj)
{
ssize_t result = 0;
if (NULL != pwbox_encoded_check(obj))
return -1;
/* Length of u32 fixedbytes0 IN [PWBOX0_CONST0] */
result += 4;
/* Length of u32 fixedbytes1 IN [PWBOX0_CONST1] */
result += 4;
/* Length of u8 header_len */
result += 1;
/* Length of u8 skey_header[header_len] */
result += TRUNNEL_DYNARRAY_LEN(&obj->skey_header);
/* Length of u8 iv[16] */
result += 16;
/* Length of u8 data[] */
result += TRUNNEL_DYNARRAY_LEN(&obj->data);
/* Length of u8 hmac[32] */
result += 32;
return result;
}
ssize_t
ed25519_cert_extension_encoded_len(const ed25519_cert_extension_t *obj)
{
ssize_t result = 0;
if (NULL != ed25519_cert_extension_check(obj))
return -1;
/* Length of u16 ext_length */
result += 2;
/* Length of u8 ext_type */
result += 1;
/* Length of u8 ext_flags */
result += 1;
switch (obj->ext_type) {
case CERTEXT_SIGNED_WITH_KEY:
/* Length of u8 un_signing_key[32] */
result += 32;
break;
default:
/* Length of u8 un_unparsed[] */
result += TRUNNEL_DYNARRAY_LEN(&obj->un_unparsed);
break;
}
return result;
}
ssize_t
trn_cell_rendezvous1_encode(uint8_t *output, const size_t avail, const trn_cell_rendezvous1_t *obj)
{
ssize_t result = 0;
size_t written = 0;
uint8_t *ptr = output;
const char *msg;
#ifdef TRUNNEL_CHECK_ENCODED_LEN
const ssize_t encoded_len = trn_cell_rendezvous1_encoded_len(obj);
#endif
if (NULL != (msg = trn_cell_rendezvous1_check(obj)))
goto check_failed;
#ifdef TRUNNEL_CHECK_ENCODED_LEN
trunnel_assert(encoded_len >= 0);
#endif
/* Encode u8 rendezvous_cookie[TRUNNEL_REND_COOKIE_LEN] */
trunnel_assert(written <= avail);
if (avail - written < TRUNNEL_REND_COOKIE_LEN)
goto truncated;
memcpy(ptr, obj->rendezvous_cookie, TRUNNEL_REND_COOKIE_LEN);
written += TRUNNEL_REND_COOKIE_LEN; ptr += TRUNNEL_REND_COOKIE_LEN;
/* Encode u8 handshake_info[] */
{
size_t elt_len = TRUNNEL_DYNARRAY_LEN(&obj->handshake_info);
trunnel_assert(written <= avail);
if (avail - written < elt_len)
goto truncated;
if (elt_len)
memcpy(ptr, obj->handshake_info.elts_, elt_len);
written += elt_len; ptr += elt_len;
}
trunnel_assert(ptr == output + written);
#ifdef TRUNNEL_CHECK_ENCODED_LEN
{
trunnel_assert(encoded_len >= 0);
trunnel_assert((size_t)encoded_len == written);
}
#endif
return written;
truncated:
result = -2;
goto fail;
check_failed:
(void)msg;
result = -1;
goto fail;
fail:
trunnel_assert(result < 0);
return result;
}
ssize_t
auth1_encoded_len(const auth1_t *obj, const auth_ctx_t *auth_ctx_ctx)
{
ssize_t result = 0;
if (NULL != auth1_check(obj, auth_ctx_ctx))
return -1;
/* Length of u8 type[8] */
result += 8;
/* Length of u8 cid[32] */
result += 32;
/* Length of u8 sid[32] */
result += 32;
switch (auth_ctx_ctx->is_ed) {
case 0:
break;
case 1:
/* Length of u8 u1_cid_ed[32] */
result += 32;
/* Length of u8 u1_sid_ed[32] */
result += 32;
break;
default:
trunnel_assert(0);
break;
}
/* Length of u8 slog[32] */
result += 32;
/* Length of u8 clog[32] */
result += 32;
/* Length of u8 scert[32] */
result += 32;
/* Length of u8 tlssecrets[32] */
result += 32;
/* Length of u8 rand[24] */
result += 24;
/* Length of u8 sig[] */
result += TRUNNEL_DYNARRAY_LEN(&obj->sig);
return result;
}
const char *
rsa_ed_crosscert_check(const rsa_ed_crosscert_t *obj)
{
if (obj == NULL)
return "Object was NULL";
if (obj->trunnel_error_code_)
return "A set function failed on this object";
if (TRUNNEL_DYNARRAY_LEN(&obj->sig) != obj->sig_len)
return "Length mismatch for sig";
return NULL;
}
const char *
auth_challenge_cell_check(const auth_challenge_cell_t *obj)
{
if (obj == NULL)
return "Object was NULL";
if (obj->trunnel_error_code_)
return "A set function failed on this object";
if (TRUNNEL_DYNARRAY_LEN(&obj->methods) != obj->n_methods)
return "Length mismatch for methods";
return NULL;
}
const char *
certs_cell_cert_check(const certs_cell_cert_t *obj)
{
if (obj == NULL)
return "Object was NULL";
if (obj->trunnel_error_code_)
return "A set function failed on this object";
if (TRUNNEL_DYNARRAY_LEN(&obj->body) != obj->cert_len)
return "Length mismatch for body";
return NULL;
}
/** Release all storage held inside 'obj', but do not free 'obj'.
*/
static void
ed25519_cert_clear(ed25519_cert_t *obj)
{
(void) obj;
{
unsigned idx;
for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->ext); ++idx) {
ed25519_cert_extension_free(TRUNNEL_DYNARRAY_GET(&obj->ext, idx));
}
}
TRUNNEL_DYNARRAY_WIPE(&obj->ext);
TRUNNEL_DYNARRAY_CLEAR(&obj->ext);
}
/** Release all storage held inside 'obj', but do not free 'obj'.
*/
static void
certs_cell_clear(certs_cell_t *obj)
{
(void) obj;
{
unsigned idx;
for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->certs); ++idx) {
certs_cell_cert_free(TRUNNEL_DYNARRAY_GET(&obj->certs, idx));
}
}
TRUNNEL_DYNARRAY_WIPE(&obj->certs);
TRUNNEL_DYNARRAY_CLEAR(&obj->certs);
}
const char *
pwbox_encoded_check(const pwbox_encoded_t *obj)
{
if (obj == NULL)
return "Object was NULL";
if (obj->trunnel_error_code_)
return "A set function failed on this object";
if (! (obj->fixedbytes0 == PWBOX0_CONST0))
return "Integer out of bounds";
if (! (obj->fixedbytes1 == PWBOX0_CONST1))
return "Integer out of bounds";
if (TRUNNEL_DYNARRAY_LEN(&obj->skey_header) != obj->header_len)
return "Length mismatch for skey_header";
return NULL;
}
ssize_t
trn_cell_rendezvous1_encoded_len(const trn_cell_rendezvous1_t *obj)
{
ssize_t result = 0;
if (NULL != trn_cell_rendezvous1_check(obj))
return -1;
/* Length of u8 rendezvous_cookie[TRUNNEL_REND_COOKIE_LEN] */
result += TRUNNEL_REND_COOKIE_LEN;
/* Length of u8 handshake_info[] */
result += TRUNNEL_DYNARRAY_LEN(&obj->handshake_info);
return result;
}
const char *
trn_cell_introduce1_check(const trn_cell_introduce1_t *obj)
{
if (obj == NULL)
return "Object was NULL";
if (obj->trunnel_error_code_)
return "A set function failed on this object";
if (! (obj->auth_key_type == 0 || obj->auth_key_type == 1 || obj->auth_key_type == 2))
return "Integer out of bounds";
if (TRUNNEL_DYNARRAY_LEN(&obj->auth_key) != obj->auth_key_len)
return "Length mismatch for auth_key";
{
const char *msg;
if (NULL != (msg = trn_cell_extension_check(obj->extensions)))
return msg;
}
return NULL;
}
ssize_t
auth_challenge_cell_encoded_len(const auth_challenge_cell_t *obj)
{
ssize_t result = 0;
if (NULL != auth_challenge_cell_check(obj))
return -1;
/* Length of u8 challenge[32] */
result += 32;
/* Length of u16 n_methods */
result += 2;
/* Length of u16 methods[n_methods] */
result += 2 * TRUNNEL_DYNARRAY_LEN(&obj->methods);
return result;
}
ssize_t
certs_cell_cert_encoded_len(const certs_cell_cert_t *obj)
{
ssize_t result = 0;
if (NULL != certs_cell_cert_check(obj))
return -1;
/* Length of u8 cert_type */
result += 1;
/* Length of u16 cert_len */
result += 2;
/* Length of u8 body[cert_len] */
result += TRUNNEL_DYNARRAY_LEN(&obj->body);
return result;
}
/** Release all storage held inside 'obj', but do not free 'obj'.
*/
static void
trn_cell_introduce_encrypted_clear(trn_cell_introduce_encrypted_t *obj)
{
(void) obj;
trn_cell_extension_free(obj->extensions);
obj->extensions = NULL;
TRUNNEL_DYNARRAY_WIPE(&obj->onion_key);
TRUNNEL_DYNARRAY_CLEAR(&obj->onion_key);
{
unsigned idx;
for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->nspecs); ++idx) {
link_specifier_free(TRUNNEL_DYNARRAY_GET(&obj->nspecs, idx));
}
}
TRUNNEL_DYNARRAY_WIPE(&obj->nspecs);
TRUNNEL_DYNARRAY_CLEAR(&obj->nspecs);
TRUNNEL_DYNARRAY_WIPE(&obj->pad);
TRUNNEL_DYNARRAY_CLEAR(&obj->pad);
}
ssize_t
rsa_ed_crosscert_encoded_len(const rsa_ed_crosscert_t *obj)
{
ssize_t result = 0;
if (NULL != rsa_ed_crosscert_check(obj))
return -1;
/* Length of u8 ed_key[32] */
result += 32;
/* Length of u32 expiration */
result += 4;
/* Length of u8 sig_len */
result += 1;
/* Length of u8 sig[sig_len] */
result += TRUNNEL_DYNARRAY_LEN(&obj->sig);
return result;
}
size_t
trn_cell_introduce_encrypted_getlen_nspecs(const trn_cell_introduce_encrypted_t *inp)
{
return TRUNNEL_DYNARRAY_LEN(&inp->nspecs);
}
size_t
trn_cell_introduce_encrypted_getlen_onion_key(const trn_cell_introduce_encrypted_t *inp)
{
return TRUNNEL_DYNARRAY_LEN(&inp->onion_key);
}
ssize_t
trn_cell_introduce1_encode(uint8_t *output, const size_t avail, const trn_cell_introduce1_t *obj)
{
ssize_t result = 0;
size_t written = 0;
uint8_t *ptr = output;
const char *msg;
#ifdef TRUNNEL_CHECK_ENCODED_LEN
const ssize_t encoded_len = trn_cell_introduce1_encoded_len(obj);
#endif
if (NULL != (msg = trn_cell_introduce1_check(obj)))
goto check_failed;
#ifdef TRUNNEL_CHECK_ENCODED_LEN
trunnel_assert(encoded_len >= 0);
#endif
/* Encode u8 legacy_key_id[TRUNNEL_SHA1_LEN] */
trunnel_assert(written <= avail);
if (avail - written < TRUNNEL_SHA1_LEN)
goto truncated;
memcpy(ptr, obj->legacy_key_id, TRUNNEL_SHA1_LEN);
written += TRUNNEL_SHA1_LEN; ptr += TRUNNEL_SHA1_LEN;
/* Encode u8 auth_key_type IN [0, 1, 2] */
trunnel_assert(written <= avail);
if (avail - written < 1)
goto truncated;
trunnel_set_uint8(ptr, (obj->auth_key_type));
written += 1; ptr += 1;
/* Encode u16 auth_key_len */
trunnel_assert(written <= avail);
if (avail - written < 2)
goto truncated;
trunnel_set_uint16(ptr, trunnel_htons(obj->auth_key_len));
written += 2; ptr += 2;
/* Encode u8 auth_key[auth_key_len] */
{
size_t elt_len = TRUNNEL_DYNARRAY_LEN(&obj->auth_key);
trunnel_assert(obj->auth_key_len == elt_len);
trunnel_assert(written <= avail);
if (avail - written < elt_len)
goto truncated;
if (elt_len)
memcpy(ptr, obj->auth_key.elts_, elt_len);
written += elt_len; ptr += elt_len;
}
/* Encode struct trn_cell_extension extensions */
trunnel_assert(written <= avail);
result = trn_cell_extension_encode(ptr, avail - written, obj->extensions);
if (result < 0)
goto fail; /* XXXXXXX !*/
written += result; ptr += result;
/* Encode u8 encrypted[] */
{
size_t elt_len = TRUNNEL_DYNARRAY_LEN(&obj->encrypted);
trunnel_assert(written <= avail);
if (avail - written < elt_len)
goto truncated;
if (elt_len)
memcpy(ptr, obj->encrypted.elts_, elt_len);
written += elt_len; ptr += elt_len;
}
trunnel_assert(ptr == output + written);
#ifdef TRUNNEL_CHECK_ENCODED_LEN
{
trunnel_assert(encoded_len >= 0);
trunnel_assert((size_t)encoded_len == written);
}
#endif
return written;
truncated:
result = -2;
goto fail;
check_failed:
(void)msg;
result = -1;
goto fail;
fail:
trunnel_assert(result < 0);
return result;
}
ssize_t
auth1_encode(uint8_t *output, const size_t avail, const auth1_t *obj, const auth_ctx_t *auth_ctx_ctx)
{
ssize_t result = 0;
size_t written = 0;
uint8_t *ptr = output;
const char *msg;
#ifdef TRUNNEL_CHECK_ENCODED_LEN
const ssize_t encoded_len = auth1_encoded_len(obj, auth_ctx_ctx);
#endif
if (NULL != (msg = auth1_check(obj, auth_ctx_ctx)))
goto check_failed;
#ifdef TRUNNEL_CHECK_ENCODED_LEN
trunnel_assert(encoded_len >= 0);
#endif
/* Encode u8 type[8] */
trunnel_assert(written <= avail);
if (avail - written < 8)
goto truncated;
memcpy(ptr, obj->type, 8);
written += 8; ptr += 8;
/* Encode u8 cid[32] */
trunnel_assert(written <= avail);
if (avail - written < 32)
goto truncated;
memcpy(ptr, obj->cid, 32);
written += 32; ptr += 32;
/* Encode u8 sid[32] */
trunnel_assert(written <= avail);
if (avail - written < 32)
goto truncated;
memcpy(ptr, obj->sid, 32);
written += 32; ptr += 32;
/* Encode union u1[auth_ctx.is_ed] */
trunnel_assert(written <= avail);
switch (auth_ctx_ctx->is_ed) {
case 0:
break;
case 1:
/* Encode u8 u1_cid_ed[32] */
trunnel_assert(written <= avail);
if (avail - written < 32)
goto truncated;
memcpy(ptr, obj->u1_cid_ed, 32);
written += 32; ptr += 32;
/* Encode u8 u1_sid_ed[32] */
trunnel_assert(written <= avail);
if (avail - written < 32)
goto truncated;
memcpy(ptr, obj->u1_sid_ed, 32);
written += 32; ptr += 32;
break;
default:
trunnel_assert(0);
break;
}
/* Encode u8 slog[32] */
trunnel_assert(written <= avail);
if (avail - written < 32)
goto truncated;
memcpy(ptr, obj->slog, 32);
written += 32; ptr += 32;
/* Encode u8 clog[32] */
trunnel_assert(written <= avail);
if (avail - written < 32)
goto truncated;
memcpy(ptr, obj->clog, 32);
written += 32; ptr += 32;
/* Encode u8 scert[32] */
trunnel_assert(written <= avail);
if (avail - written < 32)
goto truncated;
memcpy(ptr, obj->scert, 32);
written += 32; ptr += 32;
/* Encode u8 tlssecrets[32] */
trunnel_assert(written <= avail);
if (avail - written < 32)
goto truncated;
memcpy(ptr, obj->tlssecrets, 32);
written += 32; ptr += 32;
/* Encode u8 rand[24] */
trunnel_assert(written <= avail);
if (avail - written < 24)
goto truncated;
memcpy(ptr, obj->rand, 24);
written += 24; ptr += 24;
/* Encode u8 sig[] */
{
size_t elt_len = TRUNNEL_DYNARRAY_LEN(&obj->sig);
trunnel_assert(written <= avail);
if (avail - written < elt_len)
goto truncated;
memcpy(ptr, obj->sig.elts_, elt_len);
written += elt_len; ptr += elt_len;
}
trunnel_assert(ptr == output + written);
#ifdef TRUNNEL_CHECK_ENCODED_LEN
{
trunnel_assert(encoded_len >= 0);
trunnel_assert((size_t)encoded_len == written);
}
#endif
return written;
truncated:
result = -2;
goto fail;
check_failed:
(void)msg;
result = -1;
goto fail;
fail:
trunnel_assert(result < 0);
return result;
}
size_t
certs_cell_getlen_certs(const certs_cell_t *inp)
{
return TRUNNEL_DYNARRAY_LEN(&inp->certs);
}
size_t
trn_cell_introduce1_getlen_encrypted(const trn_cell_introduce1_t *inp)
{
return TRUNNEL_DYNARRAY_LEN(&inp->encrypted);
}
size_t
trn_cell_introduce1_getlen_auth_key(const trn_cell_introduce1_t *inp)
{
return TRUNNEL_DYNARRAY_LEN(&inp->auth_key);
}
size_t
auth_challenge_cell_getlen_methods(const auth_challenge_cell_t *inp)
{
return TRUNNEL_DYNARRAY_LEN(&inp->methods);
}
ssize_t
rsa_ed_crosscert_encode(uint8_t *output, const size_t avail, const rsa_ed_crosscert_t *obj)
{
ssize_t result = 0;
size_t written = 0;
uint8_t *ptr = output;
const char *msg;
#ifdef TRUNNEL_CHECK_ENCODED_LEN
const ssize_t encoded_len = rsa_ed_crosscert_encoded_len(obj);
#endif
if (NULL != (msg = rsa_ed_crosscert_check(obj)))
goto check_failed;
#ifdef TRUNNEL_CHECK_ENCODED_LEN
trunnel_assert(encoded_len >= 0);
#endif
/* Encode u8 ed_key[32] */
trunnel_assert(written <= avail);
if (avail - written < 32)
goto truncated;
memcpy(ptr, obj->ed_key, 32);
written += 32; ptr += 32;
/* Encode u32 expiration */
trunnel_assert(written <= avail);
if (avail - written < 4)
goto truncated;
trunnel_set_uint32(ptr, trunnel_htonl(obj->expiration));
written += 4; ptr += 4;
/* Encode u8 sig_len */
trunnel_assert(written <= avail);
if (avail - written < 1)
goto truncated;
trunnel_set_uint8(ptr, (obj->sig_len));
written += 1; ptr += 1;
/* Encode u8 sig[sig_len] */
{
size_t elt_len = TRUNNEL_DYNARRAY_LEN(&obj->sig);
trunnel_assert(obj->sig_len == elt_len);
trunnel_assert(written <= avail);
if (avail - written < elt_len)
goto truncated;
memcpy(ptr, obj->sig.elts_, elt_len);
written += elt_len; ptr += elt_len;
}
trunnel_assert(ptr == output + written);
#ifdef TRUNNEL_CHECK_ENCODED_LEN
{
trunnel_assert(encoded_len >= 0);
trunnel_assert((size_t)encoded_len == written);
}
#endif
return written;
truncated:
result = -2;
goto fail;
check_failed:
(void)msg;
result = -1;
goto fail;
fail:
trunnel_assert(result < 0);
return result;
}
ssize_t
auth_challenge_cell_encode(uint8_t *output, const size_t avail, const auth_challenge_cell_t *obj)
{
ssize_t result = 0;
size_t written = 0;
uint8_t *ptr = output;
const char *msg;
#ifdef TRUNNEL_CHECK_ENCODED_LEN
const ssize_t encoded_len = auth_challenge_cell_encoded_len(obj);
#endif
if (NULL != (msg = auth_challenge_cell_check(obj)))
goto check_failed;
#ifdef TRUNNEL_CHECK_ENCODED_LEN
trunnel_assert(encoded_len >= 0);
#endif
/* Encode u8 challenge[32] */
trunnel_assert(written <= avail);
if (avail - written < 32)
goto truncated;
memcpy(ptr, obj->challenge, 32);
written += 32; ptr += 32;
/* Encode u16 n_methods */
trunnel_assert(written <= avail);
if (avail - written < 2)
goto truncated;
trunnel_set_uint16(ptr, trunnel_htons(obj->n_methods));
written += 2; ptr += 2;
/* Encode u16 methods[n_methods] */
{
unsigned idx;
for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->methods); ++idx) {
trunnel_assert(written <= avail);
if (avail - written < 2)
goto truncated;
trunnel_set_uint16(ptr, trunnel_htons(TRUNNEL_DYNARRAY_GET(&obj->methods, idx)));
written += 2; ptr += 2;
}
}
trunnel_assert(ptr == output + written);
#ifdef TRUNNEL_CHECK_ENCODED_LEN
{
trunnel_assert(encoded_len >= 0);
trunnel_assert((size_t)encoded_len == written);
}
#endif
return written;
truncated:
result = -2;
goto fail;
check_failed:
(void)msg;
result = -1;
goto fail;
fail:
trunnel_assert(result < 0);
return result;
}
size_t
rsa_ed_crosscert_getlen_sig(const rsa_ed_crosscert_t *inp)
{
return TRUNNEL_DYNARRAY_LEN(&inp->sig);
}
ssize_t
certs_cell_cert_encode(uint8_t *output, const size_t avail, const certs_cell_cert_t *obj)
{
ssize_t result = 0;
size_t written = 0;
uint8_t *ptr = output;
const char *msg;
#ifdef TRUNNEL_CHECK_ENCODED_LEN
const ssize_t encoded_len = certs_cell_cert_encoded_len(obj);
#endif
if (NULL != (msg = certs_cell_cert_check(obj)))
goto check_failed;
#ifdef TRUNNEL_CHECK_ENCODED_LEN
trunnel_assert(encoded_len >= 0);
#endif
/* Encode u8 cert_type */
trunnel_assert(written <= avail);
if (avail - written < 1)
goto truncated;
trunnel_set_uint8(ptr, (obj->cert_type));
written += 1; ptr += 1;
/* Encode u16 cert_len */
trunnel_assert(written <= avail);
if (avail - written < 2)
goto truncated;
trunnel_set_uint16(ptr, trunnel_htons(obj->cert_len));
written += 2; ptr += 2;
/* Encode u8 body[cert_len] */
{
size_t elt_len = TRUNNEL_DYNARRAY_LEN(&obj->body);
trunnel_assert(obj->cert_len == elt_len);
trunnel_assert(written <= avail);
if (avail - written < elt_len)
goto truncated;
memcpy(ptr, obj->body.elts_, elt_len);
written += elt_len; ptr += elt_len;
}
trunnel_assert(ptr == output + written);
#ifdef TRUNNEL_CHECK_ENCODED_LEN
{
trunnel_assert(encoded_len >= 0);
trunnel_assert((size_t)encoded_len == written);
}
#endif
return written;
truncated:
result = -2;
goto fail;
check_failed:
(void)msg;
result = -1;
goto fail;
fail:
trunnel_assert(result < 0);
return result;
}
size_t
certs_cell_cert_getlen_body(const certs_cell_cert_t *inp)
{
return TRUNNEL_DYNARRAY_LEN(&inp->body);
}