smtp: Added support for NOOP and RSET commands
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Родитель
4a9fe26837
Коммит
dac01ff6d7
95
lib/smtp.c
95
lib/smtp.c
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@ -104,6 +104,7 @@ static CURLcode smtp_doing(struct connectdata *conn, bool *dophase_done);
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static CURLcode smtp_setup_connection(struct connectdata *conn);
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static CURLcode smtp_parse_url_options(struct connectdata *conn);
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static CURLcode smtp_parse_url_path(struct connectdata *conn);
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static CURLcode smtp_parse_custom_request(struct connectdata *conn);
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/*
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* SMTP protocol handler.
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@ -314,6 +315,7 @@ static void state(struct connectdata *conn, smtpstate newstate)
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"AUTH_XOAUTH2",
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"AUTH_CANCEL",
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"AUTH_FINAL",
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"COMMAND",
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"MAIL",
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"RCPT",
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"DATA",
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@ -548,6 +550,28 @@ static CURLcode smtp_perform_authenticate(struct connectdata *conn)
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return result;
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}
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/***********************************************************************
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*
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* smtp_perform_command()
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*
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* Sends a SMTP based command.
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*/
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static CURLcode smtp_perform_command(struct connectdata *conn)
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{
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CURLcode result = CURLE_OK;
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struct SessionHandle *data = conn->data;
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struct SMTP *smtp = data->req.protop;
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/* Send the command */
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result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s",
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smtp->custom && smtp->custom[0] != '\0' ?
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smtp->custom : "NOOP");
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if(!result)
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state(conn, SMTP_COMMAND);
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return result;
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}
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/***********************************************************************
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*
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* smtp_perform_mail()
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@ -1231,6 +1255,29 @@ static CURLcode smtp_state_auth_final_resp(struct connectdata *conn,
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return result;
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}
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/* For command responses */
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static CURLcode smtp_state_command_resp(struct connectdata *conn, int smtpcode,
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smtpstate instate)
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{
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CURLcode result = CURLE_OK;
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struct SessionHandle *data = conn->data;
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struct SMTP *smtp = data->req.protop;
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(void)instate; /* no use for this yet */
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if(smtpcode/100 != 2) {
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failf(data, "%s failed: %d",
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smtp->custom && smtp->custom[0] != '\0' ? smtp->custom : "NOOP",
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smtpcode);
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result = CURLE_RECV_ERROR;
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}
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/* End of DO phase */
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state(conn, SMTP_STOP);
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return result;
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}
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/* For MAIL responses */
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static CURLcode smtp_state_mail_resp(struct connectdata *conn, int smtpcode,
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smtpstate instate)
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@ -1433,6 +1480,10 @@ static CURLcode smtp_statemach_act(struct connectdata *conn)
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result = smtp_state_auth_final_resp(conn, smtpcode, smtpc->state);
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break;
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case SMTP_COMMAND:
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result = smtp_state_command_resp(conn, smtpcode, smtpc->state);
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break;
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case SMTP_MAIL:
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result = smtp_state_mail_resp(conn, smtpcode, smtpc->state);
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break;
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@ -1596,7 +1647,7 @@ static CURLcode smtp_done(struct connectdata *conn, CURLcode status,
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conn->bits.close = TRUE; /* marked for closure */
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result = status; /* use the already set error code */
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}
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else if(!data->set.connect_only) {
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else if(!data->set.connect_only && data->set.upload && data->set.mail_rcpt) {
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/* Calculate the EOB taking into account any terminating CRLF from the
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previous line of the email or the CRLF of the DATA command when there
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is "no mail data". RFC-5321, sect. 4.1.1.4. */
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@ -1645,31 +1696,38 @@ static CURLcode smtp_done(struct connectdata *conn, CURLcode status,
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*
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* smtp_perform()
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*
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* This is the actual DO function for SMTP. Send a mail according to the
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* options previously setup.
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* This is the actual DO function for SMTP. Transfer a mail or send a command
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* according to the options previously setup.
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*/
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static CURLcode smtp_perform(struct connectdata *conn, bool *connected,
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bool *dophase_done)
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{
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/* This is SMTP and no proxy */
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CURLcode result = CURLE_OK;
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struct SessionHandle *data = conn->data;
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DEBUGF(infof(conn->data, "DO phase starts\n"));
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if(conn->data->set.opt_no_body) {
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if(data->set.opt_no_body) {
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/* Requested no body means no transfer */
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struct SMTP *smtp = conn->data->req.protop;
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struct SMTP *smtp = data->req.protop;
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smtp->transfer = FTPTRANSFER_INFO;
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}
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*dophase_done = FALSE; /* not done yet */
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/* Start the first command in the DO phase */
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if(data->set.upload && data->set.mail_rcpt)
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/* MAIL transfer */
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result = smtp_perform_mail(conn);
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else
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/* SMTP based command (NOOP or RSET) */
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result = smtp_perform_command(conn);
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if(result)
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return result;
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/* run the state-machine */
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/* Run the state-machine */
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result = smtp_multi_statemach(conn, dophase_done);
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*connected = conn->bits.tcpconnect[FIRSTSOCKET];
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@ -1695,6 +1753,11 @@ static CURLcode smtp_do(struct connectdata *conn, bool *done)
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*done = FALSE; /* default to false */
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/* Parse the custom request */
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result = smtp_parse_custom_request(conn);
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if(result)
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return result;
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result = smtp_regular_transfer(conn, done);
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return result;
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@ -1910,6 +1973,26 @@ static CURLcode smtp_parse_url_path(struct connectdata *conn)
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return Curl_urldecode(conn->data, path, 0, &smtpc->domain, NULL, TRUE);
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}
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/***********************************************************************
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*
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* smtp_parse_custom_request()
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*
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* Parse the custom request.
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*/
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static CURLcode smtp_parse_custom_request(struct connectdata *conn)
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{
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CURLcode result = CURLE_OK;
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struct SessionHandle *data = conn->data;
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struct SMTP *smtp = data->req.protop;
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const char *custom = data->set.str[STRING_CUSTOMREQUEST];
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/* URL decode the custom request */
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if(custom)
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result = Curl_urldecode(data, custom, 0, &smtp->custom, NULL, TRUE);
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return result;
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}
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CURLcode Curl_smtp_escape_eob(struct connectdata *conn, ssize_t nread)
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{
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/* When sending a SMTP payload we must detect CRLF. sequences making sure
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@ -47,6 +47,7 @@ typedef enum {
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SMTP_AUTH_XOAUTH2,
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SMTP_AUTH_CANCEL,
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SMTP_AUTH_FINAL,
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SMTP_COMMAND, /* NOOP and RSET */
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SMTP_MAIL, /* MAIL FROM */
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SMTP_RCPT, /* RCPT TO */
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SMTP_DATA,
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@ -61,6 +62,7 @@ typedef enum {
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used. */
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struct SMTP {
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curl_pp_transfer transfer;
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char *custom; /* Custom Request */
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struct curl_slist *rcpt; /* Recipient list */
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size_t eob; /* Number of bytes of the EOB (End Of Body) that
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have been received so far */
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