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Add warning when no authenticator, drop verify() (#5205)

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Print a warning when in debug mode when a BearSSL connection tries to
connect without having any defined authentication methods, since it will
fail.

Completely remove the empty axTLS compatibilty method
"::verify(char *fp, char *name)" because it can't be done w/BearSSL w/o
user code changes, and always failed.  Better to have a compile failure
when we know at compile time the app won't do what is expected.

Completes the changes started by @d-a-v in PR #4833
This commit is contained in:
Earle F. Philhower, III
2018-10-03 20:27:09 -07:00
committed by GitHub
parent 18612c97d8
commit 14808c9ac4
2 changed files with 8 additions and 1 deletions
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7
libraries/ESP8266WiFi/src/WiFiClientSecureBearSSL.cpp
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@ -883,6 +883,13 @@ bool WiFiClientSecure::_connectSSL(const char* hostName) {
_freeSSL();
_oom_err = false;
#ifdef DEBUG_ESP_SSL
// BearSSL will reject all connections unless an authentication option is set, warn in DEBUG builds
if (!_use_insecure && !_use_fingerprint && !_use_self_signed && !_knownkey && !_certStore && !_ta) {
DEBUGV("BSSL: Connection *will* fail, no authentication method is setup");
}
#endif
_sc = std::make_shared<br_ssl_client_context>();
_eng = &_sc->eng; // Allocation/deallocation taken care of by the _sc shared_ptr
_iobuf_in = std::shared_ptr<unsigned char>(new unsigned char[_iobuf_in_size], std::default_delete<unsigned char[]>());