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fixing bad state for ech->type

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This commit is contained in:
sebastian-carpenter
2026-03-27 13:50:30 -06:00
parent cae12b7ffb
commit c887dc47a3
1 changed files with 8 additions and 4 deletions
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src/tls13.c
+8 -4
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@@ -4909,8 +4909,10 @@ int SendTls13ClientHello(WOLFSSL* ssl)
args->ech->innerClientHello =
(byte*)XMALLOC(args->ech->innerClientHelloLen - args->ech->hpke->Nt,
ssl->heap, DYNAMIC_TYPE_TMP_BUFFER);
if (args->ech->innerClientHello == NULL)
if (args->ech->innerClientHello == NULL) {
args->ech->type = ECH_TYPE_OUTER;
return MEMORY_E;
}
/* set the padding bytes to 0 */
XMEMSET(args->ech->innerClientHello + args->ech->innerClientHelloLen -
args->ech->hpke->Nt - args->ech->paddingLen, 0,
@@ -4933,8 +4935,10 @@ int SendTls13ClientHello(WOLFSSL* ssl)
/* change the outer client random */
ret = wc_RNG_GenerateBlock(ssl->rng, args->output +
args->clientRandomOffset, RAN_LEN);
if (ret != 0)
if (ret != 0) {
args->ech->type = ECH_TYPE_OUTER;
return ret;
}
/* copy the new client random */
XMEMCPY(ssl->arrays->clientRandom, args->output +
args->clientRandomOffset, RAN_LEN);
@@ -4943,10 +4947,10 @@ int SendTls13ClientHello(WOLFSSL* ssl)
ret = TLSX_WriteRequest(ssl, args->ech->innerClientHello + args->idx -
(RECORD_HEADER_SZ + HANDSHAKE_HEADER_SZ), client_hello,
&args->length);
/* set the type to outer */
args->ech->type = ECH_TYPE_OUTER;
if (ret != 0)
return ret;
/* set the type to outer */
args->ech->type = 0;
}
#endif