/* For CAPA responses */
static CURLcode pop3_state_capa_resp(struct connectdata *conn, int pop3code,
pop3state instate)
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
struct pop3_conn *pop3c = &conn->proto.pop3c;
(void)instate; /* no use for this yet */
if(pop3code != '+')
result = pop3_state_user(conn);
else if(data->set.use_ssl && !conn->ssl[FIRSTSOCKET].use) {
/* We don't have a SSL/TLS connection yet, but SSL is requested */
if(pop3c->tls_supported)
/* Switch to TLS connection now */
result = pop3_state_starttls(conn);
else if(data->set.use_ssl == CURLUSESSL_TRY)
/* Fallback and carry on with authentication */
result = pop3_authenticate(conn);
else {
failf(data, "STLS not supported.");
result = CURLE_USE_SSL_FAILED;
}
}
else
result = pop3_authenticate(conn);
return result;
}
/* For CAPA responses */
static CURLcode pop3_state_capa_resp(struct connectdata *conn, int pop3code,
pop3state instate)
{
CURLcode result = CURLE_OK;
(void)instate; /* no use for this yet */
if(pop3code == '+' && conn->proto.pop3c.authtypes) {
/* Check supported authentication types by decreasing order of security */
if(conn->proto.pop3c.authtypes & POP3_TYPE_SASL)
result = pop3_authenticate(conn);
#ifndef CURL_DISABLE_CRYPTO_AUTH
else if(conn->proto.pop3c.authtypes & POP3_TYPE_APOP)
result = pop3_state_apop(conn);
#endif
else if(conn->proto.pop3c.authtypes & POP3_TYPE_CLEARTEXT)
result = pop3_state_user(conn);
else {
infof(conn->data, "No known authentication types supported!\n");
result = CURLE_LOGIN_DENIED; /* Other types not supported */
}
}
else
result = pop3_state_user(conn);
return result;
}
/* For CAPA responses */
static CURLcode pop3_state_capa_resp(struct connectdata *conn, int pop3code,
pop3state instate)
{
CURLcode result = CURLE_OK;
(void)instate; /* no use for this yet */
if(pop3code == '+')
result = pop3_authenticate(conn);
else
result = pop3_state_user(conn);
return result;
}
/* For STARTTLS responses */
static CURLcode pop3_state_starttls_resp(struct connectdata *conn,
int pop3code,
pop3state instate)
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
(void)instate; /* no use for this yet */
if(pop3code != '+') {
if(data->set.use_ssl != CURLUSESSL_TRY) {
failf(data, "STARTTLS denied. %c", pop3code);
result = CURLE_USE_SSL_FAILED;
}
else
result = pop3_authenticate(conn);
}
else
result = pop3_state_upgrade_tls(conn);
return result;
}