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Set upper bound on post-auth cert reqs #9908

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Merged
douzzer merged 1 commit into from
Mar 7, 2026
Merged

Set upper bound on post-auth cert reqs #9908

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7 changes: 7 additions & 0 deletions src/tls13.c
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Original file line number Diff line number Diff line change
Expand Up @@ -14182,6 +14182,13 @@ int wolfSSL_request_certificate(WOLFSSL* ssl)
return NOT_READY_ERROR;
if (!ssl->options.postHandshakeAuth)
return POST_HAND_AUTH_ERROR;
if (ssl->certReqCtx != NULL) {
if (ssl->certReqCtx->len != 1)
return BAD_STATE_E;
/* We support sending up to 255 certificate requests */
if (ssl->certReqCtx->ctx == 255)
return BAD_STATE_E;
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}
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certReqCtx = (CertReqCtx*)XMALLOC(sizeof(CertReqCtx), ssl->heap,
DYNAMIC_TYPE_TMP_BUFFER);
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