/** request UIDL for single message \a num and stuff the result into the
* buffer \a id which can hold \a idsize bytes */
static int pop3_getuidl(int sock, int num, char *id /** output */, size_t idsize)
{
int ok;
char buf [POPBUFSIZE+1];
unsigned long gotnum;
gen_send(sock, "UIDL %d", num);
if ((ok = pop3_ok(sock, buf)) != 0)
return(ok);
if ((ok = parseuid(buf, &gotnum, id, idsize)))
return ok;
if (gotnum != (unsigned long)num) {
report(stderr, GT_("Server responded with UID for wrong message.\n"));
return PS_PROTOCOL;
}
return(PS_SUCCESS);
}
static gint pop3_session_recv_msg(Session *session, const gchar *msg)
{
Pop3Session *pop3_session = POP3_SESSION(session);
Pop3ErrorValue val = PS_SUCCESS;
const gchar *body;
body = msg;
if (pop3_session->state != POP3_GETRANGE_UIDL_RECV &&
pop3_session->state != POP3_GETSIZE_LIST_RECV) {
val = pop3_ok(pop3_session, msg);
if (val != PS_SUCCESS) {
if (val != PS_NOTSUPPORTED) {
pop3_session->state = POP3_ERROR;
return -1;
}
}
if (*body == '+' || *body == '-')
body++;
while (g_ascii_isalpha(*body))
body++;
while (g_ascii_isspace(*body))
body++;
}
switch (pop3_session->state) {
case POP3_READY:
case POP3_GREETING:
pop3_greeting_recv(pop3_session, body);
#ifdef USE_GNUTLS
if (pop3_session->ac_prefs->ssl_pop == SSL_STARTTLS)
val = pop3_stls_send(pop3_session);
else
#endif
if (pop3_session->ac_prefs->use_apop_auth)
val = pop3_getauth_apop_send(pop3_session);
else
val = pop3_getauth_user_send(pop3_session);
break;
#ifdef USE_GNUTLS
case POP3_STLS:
if (pop3_stls_recv(pop3_session) != PS_SUCCESS)
return -1;
if (pop3_session->ac_prefs->use_apop_auth)
val = pop3_getauth_apop_send(pop3_session);
else
val = pop3_getauth_user_send(pop3_session);
break;
#endif
case POP3_GETAUTH_USER:
val = pop3_getauth_pass_send(pop3_session);
break;
case POP3_GETAUTH_PASS:
case POP3_GETAUTH_APOP:
if (!pop3_session->pop_before_smtp)
val = pop3_getrange_stat_send(pop3_session);
else
val = pop3_logout_send(pop3_session);
break;
case POP3_GETRANGE_STAT:
if (pop3_getrange_stat_recv(pop3_session, body) < 0)
return -1;
if (pop3_session->count > 0)
val = pop3_getrange_uidl_send(pop3_session);
else
val = pop3_logout_send(pop3_session);
break;
case POP3_GETRANGE_LAST:
if (val == PS_NOTSUPPORTED)
pop3_session->error_val = PS_SUCCESS;
else if (pop3_getrange_last_recv(pop3_session, body) < 0)
return -1;
if (pop3_session->cur_msg > 0)
val = pop3_getsize_list_send(pop3_session);
else
val = pop3_logout_send(pop3_session);
break;
case POP3_GETRANGE_UIDL:
if (val == PS_NOTSUPPORTED) {
pop3_session->error_val = PS_SUCCESS;
val = pop3_getrange_last_send(pop3_session);
} else {
pop3_session->state = POP3_GETRANGE_UIDL_RECV;
session_recv_data(session, 0, ".\r\n");
}
break;
case POP3_GETSIZE_LIST:
pop3_session->state = POP3_GETSIZE_LIST_RECV;
session_recv_data(session, 0, ".\r\n");
break;
case POP3_RETR:
pop3_session->state = POP3_RETR_RECV;
session_recv_data(session, 0, ".\r\n");
break;
case POP3_TOP:
if (val == PS_NOTSUPPORTED) {
pop3_session->error_val = PS_SUCCESS;
} else {
pop3_session->state = POP3_TOP_RECV;
session_recv_data(session, 0, ".\r\n");
}
break;
case POP3_DELETE:
pop3_delete_recv(pop3_session);
if (pop3_session->cur_msg == pop3_session->count)
val = pop3_logout_send(pop3_session);
else {
pop3_session->cur_msg++;
if (pop3_lookup_next(pop3_session) == POP3_ERROR)
return -1;
}
break;
case POP3_LOGOUT:
pop3_session->state = POP3_DONE;
session_disconnect(session);
break;
case POP3_ERROR:
default:
return -1;
}
return val == PS_SUCCESS?0:-1;
}
