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tls13: read_early_data: set outSz to 0 if no early data

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If not data is read, set outSz to 0. This way the
caller can detect if no early data was read.
This commit is contained in:
Marco Oliverio
2024-02-07 14:48:12 +01:00
parent 83ae7245b0
commit e923d4c151
2 changed files with 3 additions and 1 deletions
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1
src/tls13.c
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@@ -14357,6 +14357,7 @@ int wolfSSL_read_early_data(WOLFSSL* ssl, void* data, int sz, int* outSz)
if (!IsAtLeastTLSv1_3(ssl->version)) if (!IsAtLeastTLSv1_3(ssl->version))
return BAD_FUNC_ARG; return BAD_FUNC_ARG;
*outSz = 0;
#ifndef NO_WOLFSSL_SERVER #ifndef NO_WOLFSSL_SERVER
if (ssl->options.side == WOLFSSL_CLIENT_END) if (ssl->options.side == WOLFSSL_CLIENT_END)
return SIDE_ERROR; return SIDE_ERROR;

3
tests/api.c
View File

@@ -69268,6 +69268,7 @@ static int test_tls13_early_data(void)
ExpectFalse(wolfSSL_is_init_finished(ssl_s)); ExpectFalse(wolfSSL_is_init_finished(ssl_s));
ExpectIntEQ(wolfSSL_read_early_data(ssl_s, msgBuf, sizeof(msgBuf), ExpectIntEQ(wolfSSL_read_early_data(ssl_s, msgBuf, sizeof(msgBuf),
&read), 0); &read), 0);
ExpectIntEQ(read, 0);
ExpectTrue(wolfSSL_is_init_finished(ssl_s)); ExpectTrue(wolfSSL_is_init_finished(ssl_s));
ExpectIntEQ(wolfSSL_connect(ssl_c), WOLFSSL_SUCCESS); ExpectIntEQ(wolfSSL_connect(ssl_c), WOLFSSL_SUCCESS);
@@ -69278,7 +69279,7 @@ static int test_tls13_early_data(void)
ExpectFalse(wolfSSL_is_init_finished(ssl_s)); ExpectFalse(wolfSSL_is_init_finished(ssl_s));
ExpectIntEQ(wolfSSL_read_early_data(ssl_s, msgBuf, sizeof(msgBuf), ExpectIntEQ(wolfSSL_read_early_data(ssl_s, msgBuf, sizeof(msgBuf),
&read), 0); &read), 0);
ExpectIntEQ(read, 0);
ExpectTrue(wolfSSL_is_init_finished(ssl_s)); ExpectTrue(wolfSSL_is_init_finished(ssl_s));
/* Read server 0.5-RTT data */ /* Read server 0.5-RTT data */