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pingpong: ignore regular timeout in disconnect phase 

The timeout set with CURLOPT_TIMEOUT is no longer used when
disconnecting from one of the pingpong protocols (FTP, IMAP, SMTP,
POP3).

Reported-by: jasal82 on github

Fixes #3264
Closes #3374
This commit is contained in:
Daniel Stenberg 2018-12-14 09:21:47 +01:00
Родитель 9e6518481c
Коммит 154a17b6ee
Не найден ключ, соответствующий данной подписи
Идентификатор ключа GPG: 5CC908FDB71E12C2
6 изменённых файлов: 29 добавлений и 24 удалений
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6
lib/ftp.c
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@ -655,7 +655,7 @@ CURLcode Curl_GetFTPResponse(ssize_t *nreadp, /* return number of bytes read */
while(!*ftpcode && !result) {
/* check and reset timeout value every lap */
time_t timeout = Curl_pp_state_timeout(pp); /* timeout in milliseconds */
time_t timeout = Curl_pp_state_timeout(pp, FALSE);
time_t interval_ms;
if(timeout <= 0) {
@ -3054,7 +3054,7 @@ static CURLcode ftp_multi_statemach(struct connectdata *conn,
bool *done)
{
struct ftp_conn *ftpc = &conn->proto.ftpc;
CURLcode result = Curl_pp_statemach(&ftpc->pp, FALSE);
CURLcode result = Curl_pp_statemach(&ftpc->pp, FALSE, FALSE);
/* Check for the state outside of the Curl_socket_check() return code checks
since at times we are in fact already in this state when this function
@ -3071,7 +3071,7 @@ static CURLcode ftp_block_statemach(struct connectdata *conn)
CURLcode result = CURLE_OK;
while(ftpc->state != FTP_STOP) {
result = Curl_pp_statemach(pp, TRUE);
result = Curl_pp_statemach(pp, TRUE, TRUE /* disconnecting */);
if(result)
break;
}

11
lib/imap.c
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@ -1362,19 +1362,20 @@ static CURLcode imap_multi_statemach(struct connectdata *conn, bool *done)
return result;
}
result = Curl_pp_statemach(&imapc->pp, FALSE);
result = Curl_pp_statemach(&imapc->pp, FALSE, FALSE);
*done = (imapc->state == IMAP_STOP) ? TRUE : FALSE;
return result;
}
static CURLcode imap_block_statemach(struct connectdata *conn)
static CURLcode imap_block_statemach(struct connectdata *conn,
bool disconnecting)
{
CURLcode result = CURLE_OK;
struct imap_conn *imapc = &conn->proto.imapc;
while(imapc->state != IMAP_STOP && !result)
result = Curl_pp_statemach(&imapc->pp, TRUE);
result = Curl_pp_statemach(&imapc->pp, TRUE, disconnecting);
return result;
}
@ -1497,7 +1498,7 @@ static CURLcode imap_done(struct connectdata *conn, CURLcode status,
non-blocking DONE operations!
*/
if(!result)
result = imap_block_statemach(conn);
result = imap_block_statemach(conn, FALSE);
}
/* Cleanup our per-request based variables */
@ -1635,7 +1636,7 @@ static CURLcode imap_disconnect(struct connectdata *conn, bool dead_connection)
point! */
if(!dead_connection && imapc->pp.conn && imapc->pp.conn->bits.protoconnstart)
if(!imap_perform_logout(conn))
(void)imap_block_statemach(conn); /* ignore errors on LOGOUT */
(void)imap_block_statemach(conn, TRUE); /* ignore errors on LOGOUT */
/* Disconnect from the server */
Curl_pp_disconnect(&imapc->pp);

9
lib/pingpong.c
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@ -44,7 +44,7 @@
/* Returns timeout in ms. 0 or negative number means the timeout has already
triggered */
time_t Curl_pp_state_timeout(struct pingpong *pp)
time_t Curl_pp_state_timeout(struct pingpong *pp, bool disconnecting)
{
struct connectdata *conn = pp->conn;
struct Curl_easy *data = conn->data;
@ -62,7 +62,7 @@ time_t Curl_pp_state_timeout(struct pingpong *pp)
timeout_ms = response_time -
Curl_timediff(Curl_now(), pp->response); /* spent time */
if(data->set.timeout) {
if(data->set.timeout && !disconnecting) {
/* if timeout is requested, find out how much remaining time we have */
time_t timeout2_ms = data->set.timeout - /* timeout time */
Curl_timediff(Curl_now(), conn->now); /* spent time */
@ -77,13 +77,14 @@ time_t Curl_pp_state_timeout(struct pingpong *pp)
/*
* Curl_pp_statemach()
*/
CURLcode Curl_pp_statemach(struct pingpong *pp, bool block)
CURLcode Curl_pp_statemach(struct pingpong *pp, bool block,
bool disconnecting)
{
struct connectdata *conn = pp->conn;
curl_socket_t sock = conn->sock[FIRSTSOCKET];
int rc;
time_t interval_ms;
time_t timeout_ms = Curl_pp_state_timeout(pp);
time_t timeout_ms = Curl_pp_state_timeout(pp, disconnecting);
struct Curl_easy *data = conn->data;
CURLcode result = CURLE_OK;

7
lib/pingpong.h
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@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@ -81,14 +81,15 @@ struct pingpong {
* called repeatedly until done. Set 'wait' to make it wait a while on the
* socket if there's no traffic.
*/
CURLcode Curl_pp_statemach(struct pingpong *pp, bool block);
CURLcode Curl_pp_statemach(struct pingpong *pp, bool block,
bool disconnecting);
/* initialize stuff to prepare for reading a fresh new response */
void Curl_pp_init(struct pingpong *pp);
/* Returns timeout in ms. 0 or negative number means the timeout has already
triggered */
time_t Curl_pp_state_timeout(struct pingpong *pp);
time_t Curl_pp_state_timeout(struct pingpong *pp, bool disconnecting);
/***********************************************************************

9
lib/pop3.c
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@ -1025,19 +1025,20 @@ static CURLcode pop3_multi_statemach(struct connectdata *conn, bool *done)
return result;
}
result = Curl_pp_statemach(&pop3c->pp, FALSE);
result = Curl_pp_statemach(&pop3c->pp, FALSE, FALSE);
*done = (pop3c->state == POP3_STOP) ? TRUE : FALSE;
return result;
}
static CURLcode pop3_block_statemach(struct connectdata *conn)
static CURLcode pop3_block_statemach(struct connectdata *conn,
bool disconnecting)
{
CURLcode result = CURLE_OK;
struct pop3_conn *pop3c = &conn->proto.pop3c;
while(pop3c->state != POP3_STOP && !result)
result = Curl_pp_statemach(&pop3c->pp, TRUE);
result = Curl_pp_statemach(&pop3c->pp, TRUE, disconnecting);
return result;
}
@ -1235,7 +1236,7 @@ static CURLcode pop3_disconnect(struct connectdata *conn, bool dead_connection)
point! */
if(!dead_connection && pop3c->pp.conn && pop3c->pp.conn->bits.protoconnstart)
if(!pop3_perform_quit(conn))
(void)pop3_block_statemach(conn); /* ignore errors on QUIT */
(void)pop3_block_statemach(conn, TRUE); /* ignore errors on QUIT */
/* Disconnect from the server */
Curl_pp_disconnect(&pop3c->pp);

11
lib/smtp.c
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@ -1080,19 +1080,20 @@ static CURLcode smtp_multi_statemach(struct connectdata *conn, bool *done)
return result;
}
result = Curl_pp_statemach(&smtpc->pp, FALSE);
result = Curl_pp_statemach(&smtpc->pp, FALSE, FALSE);
*done = (smtpc->state == SMTP_STOP) ? TRUE : FALSE;
return result;
}
static CURLcode smtp_block_statemach(struct connectdata *conn)
static CURLcode smtp_block_statemach(struct connectdata *conn,
bool disconnecting)
{
CURLcode result = CURLE_OK;
struct smtp_conn *smtpc = &conn->proto.smtpc;
while(smtpc->state != SMTP_STOP && !result)
result = Curl_pp_statemach(&smtpc->pp, TRUE);
result = Curl_pp_statemach(&smtpc->pp, TRUE, disconnecting);
return result;
}
@ -1253,7 +1254,7 @@ static CURLcode smtp_done(struct connectdata *conn, CURLcode status,
the smtp_multi_statemach function but we have no general support for
non-blocking DONE operations!
*/
result = smtp_block_statemach(conn);
result = smtp_block_statemach(conn, FALSE);
}
/* Clear the transfer mode for the next request */
@ -1360,7 +1361,7 @@ static CURLcode smtp_disconnect(struct connectdata *conn, bool dead_connection)
point! */
if(!dead_connection && smtpc->pp.conn && smtpc->pp.conn->bits.protoconnstart)
if(!smtp_perform_quit(conn))
(void)smtp_block_statemach(conn); /* ignore errors on QUIT */
(void)smtp_block_statemach(conn, TRUE); /* ignore errors on QUIT */
/* Disconnect from the server */
Curl_pp_disconnect(&smtpc->pp);