static CURLcode pop3_statemach_act(struct connectdata *conn)
{
CURLcode result;
curl_socket_t sock = conn->sock[FIRSTSOCKET];
struct SessionHandle *data=conn->data;
int pop3code;
struct pop3_conn *pop3c = &conn->proto.pop3c;
struct pingpong *pp = &pop3c->pp;
size_t nread = 0;
if(pp->sendleft)
return Curl_pp_flushsend(pp);
/* we read a piece of response */
result = Curl_pp_readresp(sock, pp, &pop3code, &nread);
if(result)
return result;
if(pop3code) {
/* we have now received a full POP3 server response */
switch(pop3c->state) {
case POP3_SERVERGREET:
if(pop3code != 'O') {
failf(data, "Got unexpected pop3-server response");
return CURLE_FTP_WEIRD_SERVER_REPLY;
}
if(data->set.ftp_ssl && !conn->ssl[FIRSTSOCKET].use) {
/* We don't have a SSL/TLS connection yet, but SSL is requested. Switch
to TLS connection now */
result = Curl_pp_sendf(&pop3c->pp, "STLS");
state(conn, POP3_STARTTLS);
}
else
result = pop3_state_user(conn);
if(result)
return result;
break;
case POP3_USER:
result = pop3_state_user_resp(conn, pop3code, pop3c->state);
break;
case POP3_PASS:
result = pop3_state_pass_resp(conn, pop3code, pop3c->state);
break;
case POP3_STARTTLS:
result = pop3_state_starttls_resp(conn, pop3code, pop3c->state);
break;
case POP3_RETR:
result = pop3_state_retr_resp(conn, pop3code, pop3c->state);
break;
case POP3_LIST:
result = pop3_state_list_resp(conn, pop3code, pop3c->state);
break;
case POP3_LIST_SINGLE:
result = pop3_state_list_single_resp(conn, pop3code, pop3c->state);
break;
case POP3_QUIT:
/* fallthrough, just stop! */
default:
/* internal error */
state(conn, POP3_STOP);
break;
}
}
return result;
}
static CURLcode pop3_statemach_act(struct connectdata *conn)
{
CURLcode result = CURLE_OK;
curl_socket_t sock = conn->sock[FIRSTSOCKET];
int pop3code;
struct pop3_conn *pop3c = &conn->proto.pop3c;
struct pingpong *pp = &pop3c->pp;
size_t nread = 0;
/* Busy upgrading the connection; right now all I/O is SSL/TLS, not POP3 */
if(pop3c->state == POP3_UPGRADETLS)
return pop3_state_upgrade_tls(conn);
/* Flush any data that needs to be sent */
if(pp->sendleft)
return Curl_pp_flushsend(pp);
/* Read the response from the server */
result = Curl_pp_readresp(sock, pp, &pop3code, &nread);
if(result)
return result;
if(pop3code) {
/* We have now received a full POP3 server response */
switch(pop3c->state) {
case POP3_SERVERGREET:
result = pop3_state_servergreet_resp(conn, pop3code, pop3c->state);
break;
case POP3_CAPA:
result = pop3_state_capa_resp(conn, pop3code, pop3c->state);
break;
case POP3_STARTTLS:
result = pop3_state_starttls_resp(conn, pop3code, pop3c->state);
break;
case POP3_AUTH_PLAIN:
result = pop3_state_auth_plain_resp(conn, pop3code, pop3c->state);
break;
case POP3_AUTH_LOGIN:
result = pop3_state_auth_login_resp(conn, pop3code, pop3c->state);
break;
case POP3_AUTH_LOGIN_PASSWD:
result = pop3_state_auth_login_password_resp(conn, pop3code,
pop3c->state);
break;
#ifndef CURL_DISABLE_CRYPTO_AUTH
case POP3_AUTH_CRAMMD5:
result = pop3_state_auth_cram_resp(conn, pop3code, pop3c->state);
break;
case POP3_AUTH_DIGESTMD5:
result = pop3_state_auth_digest_resp(conn, pop3code, pop3c->state);
break;
case POP3_AUTH_DIGESTMD5_RESP:
result = pop3_state_auth_digest_resp_resp(conn, pop3code, pop3c->state);
break;
#endif
#ifdef USE_NTLM
case POP3_AUTH_NTLM:
result = pop3_state_auth_ntlm_resp(conn, pop3code, pop3c->state);
break;
case POP3_AUTH_NTLM_TYPE2MSG:
result = pop3_state_auth_ntlm_type2msg_resp(conn, pop3code,
pop3c->state);
break;
#endif
case POP3_AUTH_FINAL:
result = pop3_state_auth_final_resp(conn, pop3code, pop3c->state);
break;
#ifndef CURL_DISABLE_CRYPTO_AUTH
case POP3_APOP:
result = pop3_state_apop_resp(conn, pop3code, pop3c->state);
break;
#endif
case POP3_USER:
result = pop3_state_user_resp(conn, pop3code, pop3c->state);
break;
case POP3_PASS:
result = pop3_state_pass_resp(conn, pop3code, pop3c->state);
break;
case POP3_COMMAND:
result = pop3_state_command_resp(conn, pop3code, pop3c->state);
break;
case POP3_QUIT:
/* fallthrough, just stop! */
default:
/* internal error */
state(conn, POP3_STOP);
break;
}
}
return result;
}
static CURLcode pop3_statemach_act(struct connectdata *conn)
{
CURLcode result = CURLE_OK;
curl_socket_t sock = conn->sock[FIRSTSOCKET];
int pop3code;
struct pop3_conn *pop3c = &conn->proto.pop3c;
struct pingpong *pp = &pop3c->pp;
size_t nread = 0;
/* Busy upgrading the connection; right now all I/O is SSL/TLS, not POP3 */
if(pop3c->state == POP3_UPGRADETLS)
return pop3_perform_upgrade_tls(conn);
/* Flush any data that needs to be sent */
if(pp->sendleft)
return Curl_pp_flushsend(pp);
do {
/* Read the response from the server */
result = Curl_pp_readresp(sock, pp, &pop3code, &nread);
if(result)
return result;
if(!pop3code)
break;
/* We have now received a full POP3 server response */
switch(pop3c->state) {
case POP3_SERVERGREET:
result = pop3_state_servergreet_resp(conn, pop3code, pop3c->state);
break;
case POP3_CAPA:
result = pop3_state_capa_resp(conn, pop3code, pop3c->state);
break;
case POP3_STARTTLS:
result = pop3_state_starttls_resp(conn, pop3code, pop3c->state);
break;
case POP3_AUTH:
result = pop3_state_auth_resp(conn, pop3code, pop3c->state);
break;
#ifndef CURL_DISABLE_CRYPTO_AUTH
case POP3_APOP:
result = pop3_state_apop_resp(conn, pop3code, pop3c->state);
break;
#endif
case POP3_USER:
result = pop3_state_user_resp(conn, pop3code, pop3c->state);
break;
case POP3_PASS:
result = pop3_state_pass_resp(conn, pop3code, pop3c->state);
break;
case POP3_COMMAND:
result = pop3_state_command_resp(conn, pop3code, pop3c->state);
break;
case POP3_QUIT:
/* fallthrough, just stop! */
default:
/* internal error */
state(conn, POP3_STOP);
break;
}
} while(!result && pop3c->state != POP3_STOP && Curl_pp_moredata(pp));
return result;
}