/***********************************************************************
*
* smtp_perform()
*
* This is the actual DO function for SMTP. Transfer a mail, send a command
* or get some data according to the options previously setup.
*/
static CURLcode smtp_perform(struct connectdata *conn, bool *connected,
bool *dophase_done)
{
/* This is SMTP and no proxy */
CURLcode result = CURLE_OK;
struct Curl_easy *data = conn->data;
struct SMTP *smtp = data->req.protop;
DEBUGF(infof(conn->data, "DO phase starts\n"));
if(data->set.opt_no_body) {
/* Requested no body means no transfer */
smtp->transfer = FTPTRANSFER_INFO;
}
*dophase_done = FALSE; /* not done yet */
/* Store the first recipient (or NULL if not specified) */
smtp->rcpt = data->set.mail_rcpt;
/* Initial data character is the first character in line: it is implicitly
preceded by a virtual CRLF. */
smtp->trailing_crlf = TRUE;
smtp->eob = 2;
/* Start the first command in the DO phase */
if((data->set.upload || data->set.mimepost.kind) && data->set.mail_rcpt)
/* MAIL transfer */
result = smtp_perform_mail(conn);
else
/* SMTP based command (VRFY, EXPN, NOOP, RSET or HELP) */
result = smtp_perform_command(conn);
if(result)
return result;
/* Run the state-machine */
result = smtp_multi_statemach(conn, dophase_done);
*connected = conn->bits.tcpconnect[FIRSTSOCKET];
if(*dophase_done)
DEBUGF(infof(conn->data, "DO phase is complete\n"));
return result;
}
/* For command responses */
static CURLcode smtp_state_command_resp(struct connectdata *conn, int smtpcode,
smtpstate instate)
{
CURLcode result = CURLE_OK;
struct Curl_easy *data = conn->data;
struct SMTP *smtp = data->req.protop;
char *line = data->state.buffer;
size_t len = strlen(line);
(void)instate; /* no use for this yet */
if((smtp->rcpt && smtpcode/100 != 2 && smtpcode != 553 && smtpcode != 1) ||
(!smtp->rcpt && smtpcode/100 != 2 && smtpcode != 1)) {
failf(data, "Command failed: %d", smtpcode);
result = CURLE_RECV_ERROR;
}
else {
/* Temporarily add the LF character back and send as body to the client */
if(!data->set.opt_no_body) {
line[len] = '\n';
result = Curl_client_write(conn, CLIENTWRITE_BODY, line, len + 1);
line[len] = '\0';
}
if(smtpcode != 1) {
if(smtp->rcpt) {
smtp->rcpt = smtp->rcpt->next;
if(smtp->rcpt) {
/* Send the next command */
result = smtp_perform_command(conn);
}
else
/* End of DO phase */
state(conn, SMTP_STOP);
}
else
/* End of DO phase */
state(conn, SMTP_STOP);
}
}
return result;
}
/***********************************************************************
*
* smtp_perform()
*
* This is the actual DO function for SMTP. Transfer a mail, send a command
* or get some data according to the options previously setup.
*/
static CURLcode smtp_perform(struct connectdata *conn, bool *connected,
bool *dophase_done)
{
/* This is SMTP and no proxy */
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
struct SMTP *smtp = data->req.protop;
DEBUGF(infof(conn->data, "DO phase starts\n"));
if(data->set.opt_no_body) {
/* Requested no body means no transfer */
smtp->transfer = FTPTRANSFER_INFO;
}
*dophase_done = FALSE; /* not done yet */
/* Store the first recipient (or NULL if not specified) */
smtp->rcpt = data->set.mail_rcpt;
/* Start the first command in the DO phase */
if(data->set.upload && data->set.mail_rcpt)
/* MAIL transfer */
result = smtp_perform_mail(conn);
else
/* SMTP based command (VRFY, EXPN, NOOP, RSET or HELP) */
result = smtp_perform_command(conn);
if(result)
return result;
/* Run the state-machine */
result = smtp_multi_statemach(conn, dophase_done);
*connected = conn->bits.tcpconnect[FIRSTSOCKET];
if(*dophase_done)
DEBUGF(infof(conn->data, "DO phase is complete\n"));
return result;
}
