feedc0de/wolfssl
1
0
Fork 0
forked from wolfSSL/wolfssl
Code Pull Requests Activity

Added connect and shutdown calls to Arduino sketch. Improved the get cipher suite. Improved error handling.

Browse Source
This commit is contained in:
David Garske
2019-01-07 11:47:33 -08:00
parent 141b263546
commit 0ef4856039
2 changed files with 48 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
IDE/ARDUINO/sketches/wolfssl_client/wolfssl_client.ino
View File

@ -85,7 +85,7 @@ void loop() {
int msgSz = (int)strlen(msg);
char errBuf[80];
char reply[80];
WOLFSSL_CIPHER* cipher;
const char* cipherName;
if (reconnect) {
reconnect--;
@ -93,45 +93,56 @@ void loop() {
Serial.print("Connected to ");
Serial.println(host);
ssl = wolfSSL_new(ctx);
if (ssl == NULL) {
Serial.println("Unable to allocate SSL object");
}
else {
err = wolfSSL_connect(ssl);
if (err != WOLFSSL_SUCCESS) {
err = wolfSSL_get_error(ssl, 0);
wolfSSL_ERR_error_string(err, errBuf);
Serial.print("Unable to get SSL object. Error = ");
Serial.print("TLS Connect Error: ");
Serial.println(errBuf);
}
Serial.print("SSL version is ");
Serial.println(wolfSSL_get_version(ssl));
if ((wolfSSL_write(ssl, msg, strlen(msg))) == msgSz) {
cipher = wolfSSL_get_current_cipher(ssl);
cipherName = wolfSSL_get_cipher(ssl);
Serial.print("SSL cipher suite is ");
Serial.println(wolfSSL_CIPHER_get_name(cipher));
Serial.println(cipherName);
if ((wolfSSL_write(ssl, msg, msgSz)) == msgSz) {
Serial.print("Server response: ");
while (client.available() || wolfSSL_pending(ssl)) {
input = wolfSSL_read(ssl, reply, sizeof(reply) - 1);
total_input += input;
if ( input > 0 ) {
reply[input] = '\0';
Serial.print(reply);
} else if (input < 0) {
if (input < 0) {
err = wolfSSL_get_error(ssl, 0);
wolfSSL_ERR_error_string(err, errBuf);
Serial.print("wolfSSL_read failed. Error: ");
Serial.print("TLS Read Error: ");
Serial.println(errBuf);
break;
} else if (input > 0) {
reply[input] = '\0';
Serial.print(reply);
} else {
Serial.println();
}
}
} else {
Serial.println("SSL_write failed");
err = wolfSSL_get_error(ssl, 0);
wolfSSL_ERR_error_string(err, errBuf);
Serial.print("TLS Write Error: ");
Serial.println(errBuf);
}
if (ssl != NULL)
wolfSSL_shutdown(ssl);
wolfSSL_free(ssl);
}
client.stop();
Serial.println("Connection complete.");