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- #include <assert.h>
-
- #include <openssl/ssl.h>
-
- struct GlobalState {
- GlobalState() : ctx(SSL_CTX_new(SSLv23_method())) {}
-
- ~GlobalState() {
- SSL_CTX_free(ctx);
- }
-
- SSL_CTX *const ctx;
- };
-
- static GlobalState g_state;
-
- extern "C" int LLVMFuzzerTestOneInput(uint8_t *buf, size_t len) {
- // This only fuzzes the initial flow from the server so far.
- SSL *client = SSL_new(g_state.ctx);
- BIO *in = BIO_new(BIO_s_mem());
- BIO *out = BIO_new(BIO_s_mem());
- SSL_set_bio(client, in, out);
- SSL_set_connect_state(client);
-
- BIO_write(in, buf, len);
- SSL_do_handshake(client);
- SSL_free(client);
-
- return 0;
- }
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