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Code Issues Releases Wiki Activity

FTP: perform active connections non-blocking

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1- Two new error codes are introduced.

CURLE_FTP_ACCEPT_FAILED to be set whenever ACCEPTing fails because of
FTP server connected.

CURLE_FTP_ACCEPT_TIMEOUT to be set whenever ACCEPTing timeouts.

Neither of these errors are considered fatal and control connection
remains OK because it could just be a firewall blocking server to
connect to the client.

2- One new setopt option was introduced.

CURLOPT_ACCEPTTIMEOUT_MS

It sets the maximum amount of time FTP client is going to wait for a
server to connect. Internal default accept timeout is 60 seconds.
This commit is contained in:
Gokhan Sengun 2011-12-19 14:35:20 +01:00 committed by Daniel Stenberg
parent 5527417afa
commit c834213ad5
20 changed files with 366 additions and 132 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
docs/libcurl/symbols-in-versions
View File

@ -45,6 +45,8 @@ CURLE_COULDNT_RESOLVE_PROXY 7.1
CURLE_FAILED_INIT 7.1
CURLE_FILESIZE_EXCEEDED 7.10.8
CURLE_FILE_COULDNT_READ_FILE 7.1
CURLE_FTP_ACCEPT_FAILED 7.24.0
CURLE_FTP_ACCEPT_TIMEOUT 7.24.0
CURLE_FTP_ACCESS_DENIED 7.1
CURLE_FTP_BAD_DOWNLOAD_RESUME 7.1 7.1
CURLE_FTP_BAD_FILE_LIST 7.21.0
@ -286,6 +288,7 @@ CURLOPTTYPE_FUNCTIONPOINT 7.1
CURLOPTTYPE_LONG 7.1
CURLOPTTYPE_OBJECTPOINT 7.1
CURLOPTTYPE_OFF_T 7.11.0
CURLOPT_ACCEPTTIMEOUT_MS 7.24.0
CURLOPT_ACCEPT_ENCODING 7.21.6
CURLOPT_ADDRESS_SCOPE 7.19.0
CURLOPT_APPEND 7.17.0

12
include/curl/curl.h
View File

@ -411,9 +411,12 @@ typedef enum {
CURLE_REMOTE_ACCESS_DENIED, /* 9 a service was denied by the server
due to lack of access - when login fails
this is not returned. */
CURLE_OBSOLETE10, /* 10 - NOT USED */
CURLE_FTP_ACCEPT_FAILED, /* 10 - [was obsoleted in April 2006 for
7.15.4, reused in Dec 2011 for 7.24.0]*/
CURLE_FTP_WEIRD_PASS_REPLY, /* 11 */
CURLE_OBSOLETE12, /* 12 - NOT USED */
CURLE_FTP_ACCEPT_TIMEOUT, /* 12 - timeout occurred accepting server
[was obsoleted in August 2007 for 7.17.0,
reused in Dec 2011 for 7.24.0]*/
CURLE_FTP_WEIRD_PASV_REPLY, /* 13 */
CURLE_FTP_WEIRD_227_FORMAT, /* 14 */
CURLE_FTP_CANT_GET_HOST, /* 15 */
@ -511,7 +514,6 @@ typedef enum {
CURLE_RTSP_SESSION_ERROR, /* 86 - mismatch of RTSP Session Ids */
CURLE_FTP_BAD_FILE_LIST, /* 87 - unable to parse FTP file list */
CURLE_CHUNK_FAILED, /* 88 - chunk callback reported error */
CURL_LAST /* never use! */
} CURLcode;
@ -1489,6 +1491,10 @@ typedef enum {
/* Set the name servers to use for DNS resolution */
CINIT(DNS_SERVERS, OBJECTPOINT, 211),
/* Time-out accept operations (currently for FTP only) after this amount
of miliseconds. */
CINIT(ACCEPTTIMEOUT_MS, LONG, 212),
CURLOPT_LASTENTRY /* the last unused */
} CURLoption;

28
lib/connect.c
View File

@ -98,6 +98,34 @@ singleipconnect(struct connectdata *conn,
curl_socket_t *sock,
bool *connected);
/*
* Curl_timeleft_accept() returns the amount of milliseconds left allowed for
* waiting server to connect. If the value is negative, the timeout time has
* already elapsed.
*
* The start time is stored in progress.t_acceptdata - as set with
* Curl_pgrsTime(..., TIMER_STARTACCEPT);
*
*/
long Curl_timeleft_accept(struct SessionHandle *data)
{
long timeout_ms = DEFAULT_ACCEPT_TIMEOUT;
struct timeval now;
if(data->set.accepttimeout > 0)
timeout_ms = data->set.accepttimeout;
now = Curl_tvnow();
/* subtract elapsed time */
timeout_ms -= Curl_tvdiff(now, data->progress.t_acceptdata);
if(!timeout_ms)
/* avoid returning 0 as that means no timeout! */
return -1;
return timeout_ms;
}
/*
* Curl_timeleft() returns the amount of milliseconds left allowed for the
* transfer/connection. If the value is negative, the timeout time has already

5
lib/connect.h
View File

@ -43,7 +43,12 @@ long Curl_timeleft(struct SessionHandle *data,
struct timeval *nowp,
bool duringconnect);
/* function that returns how much time there's left to wait for incoming
server connect */
long Curl_timeleft_accept(struct SessionHandle *data);
#define DEFAULT_CONNECT_TIMEOUT 300000 /* milliseconds == five minutes */
#define DEFAULT_ACCEPT_TIMEOUT 60000 /* milliseconds == one minute */
/*
* Used to extract socket and connectdata struct for the most recent

374
lib/ftp.c
View File

@ -108,6 +108,8 @@
#endif
/* Local API functions */
static void state(struct connectdata *conn,
ftpstate newstate);
static CURLcode ftp_sendquote(struct connectdata *conn,
struct curl_slist *quote);
static CURLcode ftp_quit(struct connectdata *conn);
@ -150,6 +152,11 @@ static void wc_data_dtor(void *ptr);
static CURLcode ftp_state_post_retr_size(struct connectdata *conn,
curl_off_t filesize);
static CURLcode ftp_readresp(curl_socket_t sockfd,
struct pingpong *pp,
int *ftpcode,
size_t *size);
/* easy-to-use macro: */
#define FTPSENDF(x,y,z) if((result = Curl_ftpsendf(x,y,z)) != CURLE_OK) \
return result
@ -310,19 +317,16 @@ static bool isBadFtpString(const char *string)
/***********************************************************************
*
* AllowServerConnect()
* AcceptServerConnect()
*
* When we've issue the PORT command, we have told the server to connect
* to us. This function will sit and wait here until the server has
* connected.
* After connection request is received from the server this function is
* called to accept the connection and close the listening socket
*
*/
static CURLcode AllowServerConnect(struct connectdata *conn)
static CURLcode AcceptServerConnect(struct connectdata *conn)
{
struct SessionHandle *data = conn->data;
curl_socket_t sock = conn->sock[SECONDARYSOCKET];
long timeout_ms;
long interval_ms;
curl_socket_t s = CURL_SOCKET_BAD;
#ifdef ENABLE_IPV6
struct Curl_sockaddr_storage add;
@ -331,48 +335,220 @@ static CURLcode AllowServerConnect(struct connectdata *conn)
#endif
curl_socklen_t size = (curl_socklen_t) sizeof(add);
for(;;) {
timeout_ms = Curl_timeleft(data, NULL, TRUE);
if(0 == getsockname(sock, (struct sockaddr *) &add, &size)) {
size = sizeof(add);
if(timeout_ms < 0) {
/* if a timeout was already reached, bail out */
failf(data, "Timeout while waiting for server connect");
return CURLE_OPERATION_TIMEDOUT;
s=accept(sock, (struct sockaddr *) &add, &size);
}
Curl_closesocket(conn, sock); /* close the first socket */
if(CURL_SOCKET_BAD == s) {
failf(data, "Error accept()ing server connect");
return CURLE_FTP_PORT_FAILED;
}
infof(data, "Connection accepted from server\n");
conn->sock[SECONDARYSOCKET] = s;
curlx_nonblock(s, TRUE); /* enable non-blocking */
conn->sock_accepted[SECONDARYSOCKET] = TRUE;
return CURLE_OK;
}
/***********************************************************************
*
* ReceivedServerConnect()
*
* After allowing server to connect to us from data port, this function
* checks both data connection for connection establishment and ctrl
* connection for a negative response regarding a failure in connecting
*
*/
static CURLcode ReceivedServerConnect(struct connectdata* conn, bool* received)
{
struct SessionHandle *data = conn->data;
curl_socket_t ctrl_sock = conn->sock[FIRSTSOCKET];
curl_socket_t data_sock = conn->sock[SECONDARYSOCKET];
struct ftp_conn *ftpc = &conn->proto.ftpc;
struct pingpong *pp = &ftpc->pp;
int result;
long timeout_ms;
ssize_t nread;
int ftpcode;
*received = FALSE;
timeout_ms = Curl_timeleft_accept(data);
infof(data, "Checking for server connect\n");
if(timeout_ms < 0) {
/* if a timeout was already reached, bail out */
failf(data, "Accept timeout occurred while waiting server connect");
return CURLE_FTP_ACCEPT_TIMEOUT;
}
/* First check whether there is a cached response from server */
if(pp->cache_size && pp->cache && pp->cache[0] > '3') {
/* Data connection could not be established, let's return */
infof(data, "There is negative response in cache while serv connect");
Curl_GetFTPResponse(&nread, conn, &ftpcode);
return CURLE_FTP_ACCEPT_FAILED;
}
result = Curl_socket_check(ctrl_sock, data_sock, CURL_SOCKET_BAD, 0);
/* see if the connection request is already here */
switch (result) {
case -1: /* error */
/* let's die here */
failf(data, "Error while waiting for server connect");
return CURLE_FTP_ACCEPT_FAILED;
case 0: /* Server connect is not received yet */
break; /* loop */
default:
if(result & CURL_CSELECT_IN2) {
infof(data, "Ready to accept data connection from server\n");
*received = TRUE;
}
else if(result & CURL_CSELECT_IN) {
infof(data, "Ctrl conn has data while waiting for data conn\n");
Curl_GetFTPResponse(&nread, conn, &ftpcode);
if(ftpcode/100 > 3)
return CURLE_FTP_ACCEPT_FAILED;
return CURLE_FTP_WEIRD_SERVER_REPLY;
}
interval_ms = 1000; /* use 1 second timeout intervals */
if(timeout_ms < interval_ms)
interval_ms = timeout_ms;
break;
} /* switch() */
switch (Curl_socket_ready(sock, CURL_SOCKET_BAD, interval_ms)) {
case -1: /* error */
/* let's die here */
failf(data, "Error while waiting for server connect");
return CURLE_FTP_PORT_FAILED;
case 0: /* timeout */
break; /* loop */
default:
/* we have received data here */
if(0 == getsockname(sock, (struct sockaddr *) &add, &size)) {
size = sizeof(add);
return CURLE_OK;
}
s=accept(sock, (struct sockaddr *) &add, &size);
}
Curl_closesocket(conn, sock); /* close the first socket */
if(CURL_SOCKET_BAD == s) {
failf(data, "Error accept()ing server connect");
return CURLE_FTP_PORT_FAILED;
}
infof(data, "Connection accepted from server\n");
/***********************************************************************
*
* InitiateTransfer()
*
* After connection from server is accepted this function is called to
* setup transfer parameters and initiate the data transfer.
*
*/
static CURLcode InitiateTransfer(struct connectdata *conn)
{
struct SessionHandle *data = conn->data;
struct FTP *ftp = data->state.proto.ftp;
CURLcode result = CURLE_OK;
conn->sock[SECONDARYSOCKET] = s;
curlx_nonblock(s, TRUE); /* enable non-blocking */
conn->sock_accepted[SECONDARYSOCKET] = TRUE;
return CURLE_OK;
} /* switch() */
if(conn->ssl[SECONDARYSOCKET].use) {
/* since we only have a plaintext TCP connection here, we must now
* do the TLS stuff */
infof(data, "Doing the SSL/TLS handshake on the data stream\n");
result = Curl_ssl_connect(conn, SECONDARYSOCKET);
if(result)
return result;
}
/* never reaches this point */
if(conn->proto.ftpc.state_saved == FTP_STOR) {
*(ftp->bytecountp)=0;
/* When we know we're uploading a specified file, we can get the file
size prior to the actual upload. */
Curl_pgrsSetUploadSize(data, data->set.infilesize);
/* set the SO_SNDBUF for the secondary socket for those who need it */
Curl_sndbufset(conn->sock[SECONDARYSOCKET]);
Curl_setup_transfer(conn, -1, -1, FALSE, NULL, /* no download */
SECONDARYSOCKET, ftp->bytecountp);
}
else {
/* FTP download: */
Curl_setup_transfer(conn, SECONDARYSOCKET,
conn->proto.ftpc.retr_size_saved, FALSE,
ftp->bytecountp, -1, NULL); /* no upload here */
}
conn->proto.ftpc.pp.pending_resp = TRUE; /* expect server response */
state(conn, FTP_STOP);
return CURLE_OK;
}
/***********************************************************************
*
* AllowServerConnect()
*
* When we've issue the PORT command, we have told the server to connect
* to us. This function
* - will sit and wait here until the server has connected for easy interface
* - will check whether data connection is established if so it is accepted
* for multi interface
*
*/
static CURLcode AllowServerConnect(struct connectdata *conn, bool *connected)
{
struct SessionHandle *data = conn->data;
long timeout_ms;
long interval_ms;
CURLcode ret = CURLE_OK;
*connected = FALSE;
infof(data, "Preparing for accepting server on data port\n");
/* Save the time we start accepting server connect */
Curl_pgrsTime(data, TIMER_STARTACCEPT);
for(;;) {
timeout_ms = Curl_timeleft_accept(data);
if(timeout_ms < 0) {
/* if a timeout was already reached, bail out */
failf(data, "Accept timeout occurred while waiting server connect");
return CURLE_FTP_ACCEPT_TIMEOUT;
}
/* see if the connection request is already here */
ret = ReceivedServerConnect(conn, connected);
if(ret)
return ret;
if(*connected) {
ret = AcceptServerConnect(conn);
if(ret)
return ret;
ret = InitiateTransfer(conn);
if(ret)
return ret;
break; /* connection is accepted, break the loop */
}
else {
if(data->state.used_interface == Curl_if_easy) {
interval_ms = 1000;
if(timeout_ms < interval_ms)
interval_ms = timeout_ms;
/* sleep for 1 second and then continue */
Curl_socket_ready(CURL_SOCKET_BAD, CURL_SOCKET_BAD, interval_ms);
}
else {
/* Add timeout to multi handle and break out of the loop */
if(ret == CURLE_OK && *connected == FALSE) {
if(data->set.accepttimeout > 0)
Curl_expire(data, data->set.accepttimeout);
else
Curl_expire(data, DEFAULT_ACCEPT_TIMEOUT);
}
break; /* connection was not accepted immediately */
}
}
}
return ret;
}
/* macro to check for a three-digit ftp status code at the start of the
@ -668,6 +844,10 @@ static int ftp_domore_getsock(struct connectdata *conn, curl_socket_t *socks,
}
socks[0] = conn->sock[SECONDARYSOCKET];
if(conn->bits.wait_data_conn) {
socks[1] = conn->sock[FIRSTSOCKET];
return GETSOCK_READSOCK(0) | GETSOCK_READSOCK(1);
}
return GETSOCK_READSOCK(0);
}
@ -2153,11 +2333,10 @@ static CURLcode ftp_state_rest_resp(struct connectdata *conn,
}
static CURLcode ftp_state_stor_resp(struct connectdata *conn,
int ftpcode)
int ftpcode, ftpstate instate)
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
struct FTP *ftp = data->state.proto.ftp;
if(ftpcode>=400) {
failf(data, "Failed FTP upload: %0d", ftpcode);
@ -2165,41 +2344,26 @@ static CURLcode ftp_state_stor_resp(struct connectdata *conn,
return CURLE_UPLOAD_FAILED;
}
conn->proto.ftpc.state_saved = instate;
/* PORT means we are now awaiting the server to connect to us. */
if(data->set.ftp_use_port) {
/* BLOCKING */
/* PORT means we are now awaiting the server to connect to us. */
result = AllowServerConnect(conn);
bool connected;
result = AllowServerConnect(conn, &connected);
if(result)
return result;
if(!connected) {
infof(data, "Data conn was not available immediately\n");
state(conn, FTP_STOP);
conn->bits.wait_data_conn = TRUE;
}
return CURLE_OK;
}
if(conn->ssl[SECONDARYSOCKET].use) {
/* since we only have a plaintext TCP connection here, we must now
do the TLS stuff */
infof(data, "Doing the SSL/TLS handshake on the data stream\n");
/* BLOCKING */
result = Curl_ssl_connect(conn, SECONDARYSOCKET);
if(result)
return result;
}
*(ftp->bytecountp)=0;
/* When we know we're uploading a specified file, we can get the file
size prior to the actual upload. */
Curl_pgrsSetUploadSize(data, data->set.infilesize);
/* set the SO_SNDBUF for the secondary socket for those who need it */
Curl_sndbufset(conn->sock[SECONDARYSOCKET]);
Curl_setup_transfer(conn, -1, -1, FALSE, NULL, /* no download */
SECONDARYSOCKET, ftp->bytecountp);
state(conn, FTP_STOP);
conn->proto.ftpc.pp.pending_resp = TRUE; /* expect a server response */
return result;
else
return InitiateTransfer(conn);
}
/* for LIST and RETR responses */
@ -2280,22 +2444,6 @@ static CURLcode ftp_state_get_resp(struct connectdata *conn,
else if(ftp->downloadsize > -1)
size = ftp->downloadsize;
if(data->set.ftp_use_port) {
/* BLOCKING */
result = AllowServerConnect(conn);
if(result)
return result;
}
if(conn->ssl[SECONDARYSOCKET].use) {
/* since we only have a plaintext TCP connection here, we must now
do the TLS stuff */
infof(data, "Doing the SSL/TLS handshake on the data stream\n");
result = Curl_ssl_connect(conn, SECONDARYSOCKET);
if(result)
return result;
}
if(size > data->req.maxdownload && data->req.maxdownload > 0)
size = data->req.size = data->req.maxdownload;
else if((instate != FTP_LIST) && (data->set.prefer_ascii))
@ -2307,11 +2455,24 @@ static CURLcode ftp_state_get_resp(struct connectdata *conn,
infof(data, "Getting file with size: %" FORMAT_OFF_T "\n", size);
/* FTP download: */
Curl_setup_transfer(conn, SECONDARYSOCKET, size, FALSE,
ftp->bytecountp, -1, NULL); /* no upload here */
conn->proto.ftpc.state_saved = instate;
conn->proto.ftpc.retr_size_saved = size;
conn->proto.ftpc.pp.pending_resp = TRUE; /* expect server response */
state(conn, FTP_STOP);
if(data->set.ftp_use_port) {
bool connected;
result = AllowServerConnect(conn, &connected);
if(result)
return result;
if(!connected) {
infof(data, "Data conn was not available immediately\n");
state(conn, FTP_STOP);
conn->bits.wait_data_conn = TRUE;
}
}
else
return InitiateTransfer(conn);
}
else {
if((instate == FTP_LIST) && (ftpcode == 450)) {
@ -2459,7 +2620,6 @@ static CURLcode ftp_statemach_act(struct connectdata *conn)
if(pp->sendleft)
return Curl_pp_flushsend(pp);
/* we read a piece of response */
result = ftp_readresp(sock, pp, &ftpcode, &nread);
if(result)
return result;
@ -2865,7 +3025,7 @@ static CURLcode ftp_statemach_act(struct connectdata *conn)
break;
case FTP_STOR:
result = ftp_state_stor_resp(conn, ftpcode);
result = ftp_state_stor_resp(conn, ftpcode, ftpc->state);
break;
case FTP_QUIT:
@ -3081,6 +3241,8 @@ static CURLcode ftp_done(struct connectdata *conn, CURLcode status,
case CURLE_BAD_DOWNLOAD_RESUME:
case CURLE_FTP_WEIRD_PASV_REPLY:
case CURLE_FTP_PORT_FAILED:
case CURLE_FTP_ACCEPT_FAILED:
case CURLE_FTP_ACCEPT_TIMEOUT:
case CURLE_FTP_COULDNT_SET_TYPE:
case CURLE_FTP_COULDNT_RETR_FILE:
case CURLE_UPLOAD_FAILED:
@ -3474,7 +3636,24 @@ static CURLcode ftp_nextconnect(struct connectdata *conn)
/* a transfer is about to take place, or if not a file name was given
so we'll do a SIZE on it later and then we need the right TYPE first */
if(data->set.upload) {
if(conn->bits.wait_data_conn == TRUE) {
bool serv_conned;
result = ReceivedServerConnect(conn, &serv_conned);
if(result)
return result; /* Failed to accept data connection */
if(serv_conned) {
/* It looks data connection is established */
result = AcceptServerConnect(conn);
conn->bits.wait_data_conn = FALSE;
if(result == CURLE_OK)
result = InitiateTransfer(conn);
}
return result;
}
else if(data->set.upload) {
result = ftp_nb_type(conn, data->set.prefer_ascii, FTP_STOR_TYPE);
if(result)
return result;
@ -3513,7 +3692,6 @@ static CURLcode ftp_nextconnect(struct connectdata *conn)
too! */
Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
/* end of transfer */
DEBUGF(infof(data, "DO-MORE phase ends with %d\n", (int)result));
return result;

3
lib/ftp.h
View File

@ -146,6 +146,9 @@ struct ftp_conn {
int count2; /* general purpose counter for the state machine */
int count3; /* general purpose counter for the state machine */
ftpstate state; /* always use ftp.c:state() to change state! */
ftpstate state_saved; /* transfer type saved to be reloaded after
data connection is established */
curl_off_t retr_size_saved; /* Size of retrieved file saved */
char * server_os; /* The target server operating system. */
curl_off_t known_filesize; /* file size is different from -1, if wildcard
LIST parsing was done and wc_statemach set

7
lib/multi.c
View File

@ -1388,6 +1388,13 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
break;
case CURLM_STATE_DO_DONE:
if(easy->easy_conn->bits.wait_data_conn == TRUE) {
multistate(easy, CURLM_STATE_DO_MORE);
result = CURLM_OK;
break;
}
/* Move ourselves from the send to recv pipeline */
moveHandleFromSendToRecvPipeline(data, easy->easy_conn);
/* Check if we can move pending requests to send pipe */

4
lib/progress.c
View File

@ -169,6 +169,10 @@ void Curl_pgrsTime(struct SessionHandle *data, timerid timer)
data->progress.t_startsingle = now;
break;
case TIMER_STARTACCEPT:
data->progress.t_acceptdata = Curl_tvnow();
break;
case TIMER_NAMELOOKUP:
data->progress.t_nslookup =
Curl_tvdiff_secs(now, data->progress.t_startsingle);

1
lib/progress.h
View File

@ -34,6 +34,7 @@ typedef enum {
TIMER_STARTTRANSFER,
TIMER_POSTRANSFER,
TIMER_STARTSINGLE,
TIMER_STARTACCEPT,
TIMER_REDIRECT,
TIMER_LAST /* must be last */
} timerid;

8
lib/strerror.c
View File

@ -81,6 +81,12 @@ curl_easy_strerror(CURLcode error)
case CURLE_REMOTE_ACCESS_DENIED:
return "Access denied to remote resource";
case CURLE_FTP_ACCEPT_FAILED:
return "FTP: The server failed to connect to data port";
case CURLE_FTP_ACCEPT_TIMEOUT:
return "FTP: Accepting server connect has timed out";
case CURLE_FTP_PRET_FAILED:
return "FTP: The server did not accept the PRET command.";
@ -284,8 +290,6 @@ curl_easy_strerror(CURLcode error)
return "Chunk callback failed";
/* error codes not used by current libcurl */
case CURLE_OBSOLETE10:
case CURLE_OBSOLETE12:
case CURLE_OBSOLETE16:
case CURLE_OBSOLETE20:
case CURLE_OBSOLETE24:

9
lib/url.c
View File

@ -1677,6 +1677,13 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
data->set.connecttimeout = va_arg(param, long);
break;
case CURLOPT_ACCEPTTIMEOUT_MS:
/*
* The maximum time you allow curl to wait for server connect
*/
data->set.accepttimeout = va_arg(param, long);
break;
case CURLOPT_USERPWD:
/*
* user:password to use in the operation
@ -5457,7 +5464,7 @@ CURLcode Curl_do_more(struct connectdata *conn)
if(conn->handler->do_more)
result = conn->handler->do_more(conn);
if(result == CURLE_OK)
if(result == CURLE_OK && conn->bits.wait_data_conn == FALSE)
/* do_complete must be called after the protocol-specific DO function */
do_complete(conn);

4
lib/urldata.h
View File

@ -412,6 +412,8 @@ struct ConnectBits {
bool do_more; /* this is set TRUE if the ->curl_do_more() function is
supposed to be called, after ->curl_do() */
bool wait_data_conn; /* this is set TRUE if data connection is waited */
bool tcpconnect[2]; /* the TCP layer (or similar) is connected, this is set
the first time on the first connect function call */
bool protoconnstart;/* the protocol layer has STARTED its operation after
@ -1038,6 +1040,7 @@ struct Progress {
struct timeval start;
struct timeval t_startsingle;
struct timeval t_acceptdata;
#define CURR_TIME (5+1) /* 6 entries for 5 seconds */
curl_off_t speeder[ CURR_TIME ];
@ -1407,6 +1410,7 @@ struct UserDefined {
void *ioctl_client; /* pointer to pass to the ioctl callback */
long timeout; /* in milliseconds, 0 means no timeout */
long connecttimeout; /* in milliseconds, 0 means no timeout */
long accepttimeout; /* in milliseconds, 0 means no timeout */
long server_response_timeout; /* in milliseconds, 0 means no timeout */
long tftp_blksize ; /* in bytes, 0 means use default */
curl_off_t infilesize; /* size of file to upload, -1 means unknown */

4
tests/data/DISABLED
View File

@ -2,8 +2,6 @@
# test cases are run by runtests.pl. Just add the plain test case numbers, one
# per line.
# Lines starting with '#' letters are treated as comments.
591
592
593
594
1209
1211

9
tests/data/test1206
View File

@ -36,12 +36,6 @@ FTP PORT and 425 on download
<strippart>
s/^EPRT \|1\|(.*)/EPRT \|1\|/
</strippart>
# The protocol part does not include QUIT simply because the error is
# CURLE_OPERATION_TIMEDOUT (28) which is a generic timeout error without
# specificly saying for which connection it concerns, and for timeouts libcurl
# marks the control channel as "invalid". As this test case times out for the
# data connection it could still use the control channel.
<protocol>
USER anonymous
PASS ftp@example.com
@ -50,9 +44,10 @@ EPRT |1|
TYPE I
SIZE 1206
RETR 1206
QUIT
</protocol>
<errorcode>
28
10
</errorcode>
</verify>
</testcase>

9
tests/data/test1207
View File

@ -36,12 +36,6 @@ FTP PORT and 421 on download
<strippart>
s/^EPRT \|1\|(.*)/EPRT \|1\|/
</strippart>
# The protocol part does not include QUIT simply because the error is
# CURLE_OPERATION_TIMEDOUT (28) which is a generic timeout error without
# specificly saying for which connection it concerns, and for timeouts libcurl
# marks the control channel as "invalid". As this test case times out for the
# data connection it could still use the control channel.
<protocol>
USER anonymous
PASS ftp@example.com
@ -50,9 +44,10 @@ EPRT |1|
TYPE I
SIZE 1207
RETR 1207
QUIT
</protocol>
<errorcode>
28
10
</errorcode>
</verify>
</testcase>

9
tests/data/test1208
View File

@ -36,12 +36,6 @@ FTP PORT download, no data conn and no transient negative reply
<strippart>
s/^EPRT \|1\|(.*)/EPRT \|1\|/
</strippart>
# The protocol part does not include QUIT simply because the error is
# CURLE_OPERATION_TIMEDOUT (28) which is a generic timeout error without
# specificly saying for which connection it concerns, and for timeouts libcurl
# marks the control channel as "invalid". As this test case times out for the
# data connection it could still use the control channel.
<protocol>
USER anonymous
PASS ftp@example.com
@ -50,9 +44,10 @@ EPRT |1|
TYPE I
SIZE 1208
RETR 1208
QUIT
</protocol>
<errorcode>
28
12
</errorcode>
</verify>
</testcase>

2
tests/data/test591
View File

@ -64,7 +64,7 @@ STOR 591
QUIT
</protocol>
<errorcode>
28
10
</errorcode>
<upload>
</upload>

2
tests/data/test592
View File

@ -64,7 +64,7 @@ STOR 592
QUIT
</protocol>
<errorcode>
28
10
</errorcode>
<upload>
</upload>

2
tests/data/test593
View File

@ -64,7 +64,7 @@ STOR 593
QUIT
</protocol>
<errorcode>
28
12
</errorcode>
<upload>
</upload>

3
tests/libtest/lib591.c
View File

@ -77,7 +77,8 @@ int test(char *URL)
easy_setopt(easy, CURLOPT_FTPPORT, "-");
/* server connection timeout */
easy_setopt(easy, CURLOPT_CONNECTTIMEOUT, strtol(libtest_arg2, NULL, 10));
easy_setopt(easy, CURLOPT_ACCEPTTIMEOUT_MS,
strtol(libtest_arg2, NULL, 10)*1000);
multi_init(multi);