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a return of zero from callback as no psk available

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This commit is contained in:
Hideki Miyazaki
2021-06-04 10:48:07 +09:00
parent d7117cd8bb
commit 1606746d2d
1 changed files with 13 additions and 0 deletions
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13
src/tls.c
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@ -10411,10 +10411,20 @@ int TLSX_PopulateExtensions(WOLFSSL* ssl, byte isServer)
ssl->arrays->server_hint, ssl->arrays->client_identity,
MAX_PSK_ID_LEN, ssl->arrays->psk_key, MAX_PSK_KEY_LEN);
}
#if defined(OPENSSL_EXTRA)
/* OpenSSL treats 0 as a PSK key length of 0
* and meaning no PSK available.
*/
if (ssl->arrays->psk_keySz > MAX_PSK_KEY_LEN) {
return PSK_KEY_ERROR;
}
if (ssl->arrays->psk_keySz > 0) {
#else
if (ssl->arrays->psk_keySz == 0 ||
ssl->arrays->psk_keySz > MAX_PSK_KEY_LEN) {
return PSK_KEY_ERROR;
}
#endif
ssl->arrays->client_identity[MAX_PSK_ID_LEN] = '\0';
ssl->options.cipherSuite0 = cipherSuite0;
ssl->options.cipherSuite = cipherSuite;
@ -10433,6 +10443,9 @@ int TLSX_PopulateExtensions(WOLFSSL* ssl, byte isServer)
return ret;
usingPSK = 1;
#if defined(OPENSSL_EXTRA)
}
#endif
}
#endif
#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)