static void tims_handle_input(void *arg)
{
int l = 0;
char buffer[MAX_LINESIZE]; /* connection buffer */
ClientSession_t *session = (ClientSession_t *)arg;
ci_cork(session->ci);
while (TRUE) {
memset(buffer, 0, sizeof(buffer));
l = ci_readln(session->ci, buffer);
if (l == 0) break;
if ((l = tims_tokenizer(session, buffer))) {
if (l == -3) {
client_session_bailout(&session);
return;
}
if (tims(session) == -3) {
client_session_bailout(&session);
return;
}
client_session_reset_parser(session);
}
}
if (session->state < QUIT)
ci_uncork(session->ci);
}
static void lmtp_handle_input(void *arg)
{
int l;
char buffer[MAX_LINESIZE]; /* connection buffer */
ClientSession_T *session = (ClientSession_T *)arg;
while (TRUE) {
memset(buffer, 0, sizeof(buffer));
l = ci_readln(session->ci, buffer);
if (l==0) break;
if ((l = lmtp_tokenizer(session, buffer))) {
if (l == -3) {
client_session_bailout(&session);
return;
}
if (l > 0) {
if (lmtp(session) == -3) {
client_session_bailout(&session);
return;
}
client_session_reset_parser(session);
}
if (l < 0) {
client_session_reset_parser(session);
}
}
}
TRACE(TRACE_DEBUG,"[%p] done", session);
}
static void pop3_handle_input(void *arg)
{
char buffer[MAX_LINESIZE]; /* connection buffer */
ClientSession_t *session = (ClientSession_t *)arg;
if (session->ci->write_buffer->len) {
ci_write(session->ci, NULL);
return;
}
memset(buffer, 0, sizeof(buffer));
if (ci_readln(session->ci, buffer) == 0)
return;
pop3(session, buffer);
}
static void pop3_handle_input(void *arg)
{
char buffer[MAX_LINESIZE]; /* connection buffer */
ClientSession_T *session = (ClientSession_T *)arg;
if (p_string_len(session->ci->write_buffer)) {
ci_write(session->ci, NULL);
return;
}
memset(buffer, 0, sizeof(buffer));
if (ci_readln(session->ci, buffer) == 0)
return;
ci_cork(session->ci);
if (pop3(session, buffer) <= 0) {
client_session_bailout(&session);
return;
}
ci_uncork(session->ci);
}
void imap_handle_input(ImapSession *session)
{
char buffer[MAX_LINESIZE];
char *alloc_buf = NULL;
uint64_t alloc_size = 0;
int l, result;
assert(session && session->ci && session->ci->write_buffer);
// first flush the output buffer
if (p_string_len(session->ci->write_buffer)) {
TRACE(TRACE_DEBUG,"[%p] write buffer not empty", session);
ci_write(session->ci, NULL);
}
// nothing left to handle
if (p_string_len(session->ci->read_buffer) == 0) {
TRACE(TRACE_DEBUG,"[%p] read buffer empty", session);
return;
}
// command in progress
if (session->command_state == FALSE && session->parser_state == TRUE) {
TRACE(TRACE_DEBUG,"[%p] command in-progress", session);
return;
}
// reset if we're done with the previous command
if (session->command_state == TRUE)
imap_session_reset(session);
// Read in a line at a time if we don't have a string literal size defined
// Otherwise read in rbuff_size amount of data
while (TRUE) {
char *input = NULL;
FREE_ALLOC_BUF
memset(buffer, 0, sizeof(buffer));
if (session->ci->rbuff_size <= 0) {
l = ci_readln(session->ci, buffer);
} else {
alloc_size = session->ci->rbuff_size+1;
alloc_buf = mempool_pop(session->pool, alloc_size);
l = ci_read(session->ci, alloc_buf, session->ci->rbuff_size);
}
if (l == 0) break; // done
if (session->error_count >= MAX_FAULTY_RESPONSES) {
imap_session_printf(session, "* BYE [TRY RFC]\r\n");
imap_handle_abort(session);
break;
}
// session is in a IDLE loop
if (session->command_type == IMAP_COMM_IDLE && session->command_state == IDLE) {
if (strlen(buffer) > 4 && strncasecmp(buffer,"DONE",4)==0)
imap_session_printf(session, "%s OK IDLE terminated\r\n", session->tag);
else
imap_session_printf(session,"%s BAD Expecting DONE\r\n", session->tag);
session->command_state = TRUE; // done
imap_session_reset(session);
continue;
}
if (alloc_buf != NULL)
input = alloc_buf;
else
input = buffer;
if (! imap4_tokenizer(session, input)) {
FREE_ALLOC_BUF
continue;
}
if ( session->parser_state < 0 ) {
imap_session_printf(session, "%s BAD parse error\r\n", session->tag);
imap_handle_retry(session);
break;
}
if ( session->parser_state ) {
result = imap4(session);
TRACE(TRACE_DEBUG,"imap4 returned [%d]", result);
if (result || (session->command_type == IMAP_COMM_IDLE && session->command_state == IDLE)) {
imap_handle_exit(session, result);
}
break;
}
if (session->state == CLIENTSTATE_ERROR) {
TRACE(TRACE_NOTICE, "session->state: ERROR. abort");
break;
}
}