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Merge pull request #98995 from Faless/mbetls/insestent_io

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[mbedTLS] Keep reading/writing partial until "would block"
This commit is contained in:
Thaddeus Crews 2024-11-12 12:13:09 -06:00
commit 21ed92273d
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GPG Key ID: 62181B86FE9E5D84
1 changed files with 35 additions and 27 deletions
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22
modules/mbedtls/stream_peer_mbedtls.cpp
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@ -166,10 +166,11 @@ Error StreamPeerMbedTLS::put_partial_data(const uint8_t *p_data, int p_bytes, in
return OK;
}
int ret = mbedtls_ssl_write(tls_ctx->get_context(), p_data, p_bytes);
do {
int ret = mbedtls_ssl_write(tls_ctx->get_context(), &p_data[r_sent], p_bytes - r_sent);
if (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE) {
// Non blocking IO
ret = 0;
// Non blocking IO.
break;
} else if (ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY) {
// Clean close
disconnect_from_stream();
@ -179,8 +180,10 @@ Error StreamPeerMbedTLS::put_partial_data(const uint8_t *p_data, int p_bytes, in
disconnect_from_stream();
return ERR_CONNECTION_ERROR;
}
r_sent += ret;
} while (r_sent < p_bytes);
r_sent = ret;
return OK;
}
@ -209,9 +212,11 @@ Error StreamPeerMbedTLS::get_partial_data(uint8_t *p_buffer, int p_bytes, int &r
r_received = 0;
int ret = mbedtls_ssl_read(tls_ctx->get_context(), p_buffer, p_bytes);
do {
int ret = mbedtls_ssl_read(tls_ctx->get_context(), &p_buffer[r_received], p_bytes - r_received);
if (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE) {
ret = 0; // non blocking io
// Non blocking IO.
break;
} else if (ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY) {
// Clean close
disconnect_from_stream();
@ -222,7 +227,10 @@ Error StreamPeerMbedTLS::get_partial_data(uint8_t *p_buffer, int p_bytes, int &r
return ERR_CONNECTION_ERROR;
}
r_received = ret;
r_received += ret;
} while (r_received < p_bytes);
return OK;
}