demos/state_machine/state_machine.c

100 void SSLStateMachine_print_error(SSLStateMachine * pMachine,
117     SSLStateMachine *pMachine = malloc(sizeof *pMachine);
120     die_unless(pMachine);
122     pMachine->pCtx = SSL_CTX_new(SSLv23_server_method());
123     die_unless(pMachine->pCtx);
125     n = SSL_CTX_use_certificate_file(pMachine->pCtx, szCertificateFile,
129     n = SSL_CTX_use_PrivateKey_file(pMachine->pCtx, szKeyFile,
133     pMachine->pSSL = SSL_new(pMachine->pCtx);
134     die_unless(pMachine->pSSL);
136     pMachine->pbioRead = BIO_new(BIO_s_mem());
138     pMachine->pbioWrite = BIO_new(BIO_s_mem());
140     SSL_set_bio(pMachine->pSSL, pMachine->pbioRead, pMachine->pbioWrite);
142     SSL_set_accept_state(pMachine->pSSL);
144     return pMachine;
147 void SSLStateMachine_read_inject(SSLStateMachine * pMachine,
150     int n = BIO_write(pMachine->pbioRead, aucBuf, nBuf);
160 int SSLStateMachine_read_extract(SSLStateMachine * pMachine,
165     if (!SSL_is_init_finished(pMachine->pSSL)) {
167         n = SSL_accept(pMachine->pSSL);
174                  SSL_get_error(pMachine->pSSL, n)) == SSL_ERROR_WANT_READ) {
179             SSLStateMachine_print_error(pMachine, "SSL_accept error");
185     n = SSL_read(pMachine->pSSL, aucBuf, nBuf);
187         int err = SSL_get_error(pMachine->pSSL, n);
194         SSLStateMachine_print_error(pMachine, "SSL_read error");
203 int SSLStateMachine_write_can_extract(SSLStateMachine * pMachine)
205     int n = BIO_pending(pMachine->pbioWrite);
214 int SSLStateMachine_write_extract(SSLStateMachine * pMachine,
219     n = BIO_read(pMachine->pbioWrite, aucBuf, nBuf);
225 void SSLStateMachine_write_inject(SSLStateMachine * pMachine,
228     int n = SSL_write(pMachine->pSSL, aucBuf, nBuf);
288     SSLStateMachine *pMachine;
312     pMachine = SSLStateMachine_new(szCertificateFile, szKeyFile);
327             nrbuf = SSLStateMachine_read_extract(pMachine, rbuf, 1);
334         if (SSLStateMachine_write_can_extract(pMachine))
353             SSLStateMachine_read_inject(pMachine, buf, n);
362             n = SSLStateMachine_read_extract(pMachine, buf + 1,
365                 SSLStateMachine_print_error(pMachine, "read extract failed");
385             n = SSLStateMachine_write_extract(pMachine, buf, sizeof buf);
402             SSLStateMachine_write_inject(pMachine, buf, n);