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CONNECT: made generically not per-protocol

Curl_protocol_connect() now does the tunneling through the HTTP proxy if
requested instead of letting each protocol specific connection function
do it.
This commit is contained in:
Daniel Stenberg 2012-03-08 23:31:38 +01:00
parent cabd010dd4
commit 41b0237834
8 changed files with 39 additions and 186 deletions

View File

@ -3197,33 +3197,6 @@ static CURLcode ftp_connect(struct connectdata *conn,
pp->endofresp = ftp_endofresp;
pp->conn = conn;
if(conn->bits.tunnel_proxy && conn->bits.httpproxy) {
/* for FTP over HTTP proxy */
struct HTTP http_proxy;
struct FTP *ftp_save;
/* BLOCKING */
/* We want "seamless" FTP operations through HTTP proxy tunnel */
/* Curl_proxyCONNECT is based on a pointer to a struct HTTP at the member
* conn->proto.http; we want FTP through HTTP and we have to change the
* member temporarily for connecting to the HTTP proxy. After
* Curl_proxyCONNECT we have to set back the member to the original struct
* FTP pointer
*/
ftp_save = data->state.proto.ftp;
memset(&http_proxy, 0, sizeof(http_proxy));
data->state.proto.http = &http_proxy;
result = Curl_proxyCONNECT(conn, FIRSTSOCKET,
conn->host.name, conn->remote_port);
data->state.proto.ftp = ftp_save;
if(CURLE_OK != result)
return result;
}
if(conn->handler->flags & PROTOPT_SSL) {
/* BLOCKING */
result = Curl_ssl_connect(conn, FIRSTSOCKET);

View File

@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2012, 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
@ -1309,27 +1309,10 @@ CURLcode Curl_http_connect(struct connectdata *conn, bool *done)
function to make the re-use checks properly be able to check this bit. */
conn->bits.close = FALSE;
#ifndef CURL_DISABLE_PROXY
/* If we are not using a proxy and we want a secure connection, perform SSL
* initialization & connection now. If using a proxy with https, then we
* must tell the proxy to CONNECT to the host we want to talk to. Only
* after the connect has occurred, can we start talking SSL
*/
if(conn->bits.tunnel_proxy && conn->bits.httpproxy) {
/* either SSL over proxy, or explicitly asked for */
result = Curl_proxyCONNECT(conn, FIRSTSOCKET,
conn->host.name,
conn->remote_port);
if(CURLE_OK != result)
return result;
}
if(conn->bits.tunnel_connecting) {
/* nothing else to do except wait right now - we're not done here. */
return CURLE_OK;
}
#endif /* CURL_DISABLE_PROXY */
if(conn->given->flags & PROTOPT_SSL) {
/* perform SSL initialization */

View File

@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2012, 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
@ -721,33 +721,6 @@ static CURLcode imap_connect(struct connectdata *conn,
pp->endofresp = imap_endofresp;
pp->conn = conn;
if(conn->bits.tunnel_proxy && conn->bits.httpproxy) {
/* for IMAP over HTTP proxy */
struct HTTP http_proxy;
struct FTP *imap_save;
/* BLOCKING */
/* We want "seamless" IMAP operations through HTTP proxy tunnel */
/* Curl_proxyCONNECT is based on a pointer to a struct HTTP at the member
* conn->proto.http; we want IMAP through HTTP and we have to change the
* member temporarily for connecting to the HTTP proxy. After
* Curl_proxyCONNECT we have to set back the member to the original struct
* IMAP pointer
*/
imap_save = data->state.proto.imap;
memset(&http_proxy, 0, sizeof(http_proxy));
data->state.proto.http = &http_proxy;
result = Curl_proxyCONNECT(conn, FIRSTSOCKET,
conn->host.name, conn->remote_port);
data->state.proto.imap = imap_save;
if(CURLE_OK != result)
return result;
}
if((conn->handler->flags & PROTOPT_SSL) &&
data->state.used_interface != Curl_if_multi) {
/* BLOCKING */

View File

@ -208,33 +208,6 @@ static CURLcode ldap_connect(struct connectdata *conn, bool *done)
ldap_set_option(li->ld, LDAP_OPT_PROTOCOL_VERSION, &proto);
if(conn->bits.tunnel_proxy && conn->bits.httpproxy) {
/* for LDAP over HTTP proxy */
struct HTTP http_proxy;
ldapconninfo *li_save;
CURLcode result;
/* BLOCKING */
/* We want "seamless" LDAP operations through HTTP proxy tunnel */
/* Curl_proxyCONNECT is based on a pointer to a struct HTTP at the member
* conn->proto.http; we want LDAP through HTTP and we have to change the
* member temporarily for connecting to the HTTP proxy. After
* Curl_proxyCONNECT we have to set back the member to the original struct
* LDAP pointer
*/
li_save = data->state.proto.generic;
memset(&http_proxy, 0, sizeof(http_proxy));
data->state.proto.http = &http_proxy;
result = Curl_proxyCONNECT(conn, FIRSTSOCKET,
conn->host.name, conn->remote_port);
data->state.proto.generic = li_save;
if(CURLE_OK != result)
return result;
}
#ifdef USE_SSL
if(conn->handler->flags & PROTOPT_SSL) {
CURLcode res;

View File

@ -670,33 +670,6 @@ static CURLcode pop3_connect(struct connectdata *conn,
pp->endofresp = pop3_endofresp;
pp->conn = conn;
if(conn->bits.tunnel_proxy && conn->bits.httpproxy) {
/* for POP3 over HTTP proxy */
struct HTTP http_proxy;
struct FTP *pop3_save;
/* BLOCKING */
/* We want "seamless" POP3 operations through HTTP proxy tunnel */
/* Curl_proxyCONNECT is based on a pointer to a struct HTTP at the member
* conn->proto.http; we want POP3 through HTTP and we have to change the
* member temporarily for connecting to the HTTP proxy. After
* Curl_proxyCONNECT we have to set back the member to the original struct
* POP3 pointer
*/
pop3_save = data->state.proto.pop3;
memset(&http_proxy, 0, sizeof(http_proxy));
data->state.proto.http = &http_proxy;
result = Curl_proxyCONNECT(conn, FIRSTSOCKET,
conn->host.name, conn->remote_port);
data->state.proto.pop3 = pop3_save;
if(CURLE_OK != result)
return result;
}
if(conn->handler->flags & PROTOPT_SSL) {
/* BLOCKING */
result = Curl_ssl_connect(conn, FIRSTSOCKET);

View File

@ -1294,33 +1294,6 @@ static CURLcode smtp_connect(struct connectdata *conn,
pp->endofresp = smtp_endofresp;
pp->conn = conn;
if(conn->bits.tunnel_proxy && conn->bits.httpproxy) {
/* for SMTP over HTTP proxy */
struct HTTP http_proxy;
struct FTP *smtp_save;
/* BLOCKING */
/* We want "seamless" SMTP operations through HTTP proxy tunnel */
/* Curl_proxyCONNECT is based on a pointer to a struct HTTP at the member
* conn->proto.http; we want SMTP through HTTP and we have to change the
* member temporarily for connecting to the HTTP proxy. After
* Curl_proxyCONNECT we have to set back the member to the original struct
* SMTP pointer
*/
smtp_save = data->state.proto.smtp;
memset(&http_proxy, 0, sizeof(http_proxy));
data->state.proto.http = &http_proxy;
result = Curl_proxyCONNECT(conn, FIRSTSOCKET,
conn->host.name, conn->remote_port);
data->state.proto.smtp = smtp_save;
if(CURLE_OK != result)
return result;
}
if((conn->handler->protocol & CURLPROTO_SMTPS) &&
data->state.used_interface != Curl_if_multi) {
/* SMTPS is simply smtp with SSL for the control channel */

View File

@ -90,7 +90,6 @@
#include "multiif.h"
#include "select.h"
#include "warnless.h"
#include "http_proxy.h"
#define _MPRINTF_REPLACE /* use our functions only */
#include <curl/mprintf.h>
@ -2660,33 +2659,6 @@ static CURLcode ssh_connect(struct connectdata *conn, bool *done)
sessionhandle, deal with it */
Curl_reset_reqproto(conn);
if(conn->bits.tunnel_proxy && conn->bits.httpproxy) {
/* for SSH over HTTP proxy */
struct HTTP http_proxy;
struct SSHPROTO *ssh_save;
/* BLOCKING */
/* We want "seamless" SSH operations through HTTP proxy tunnel */
/* Curl_proxyCONNECT is based on a pointer to a struct HTTP at the member
* conn->proto.http; we want SSH through HTTP and we have to change the
* member temporarily for connecting to the HTTP proxy. After
* Curl_proxyCONNECT we have to set back the member to the original struct
* SSH pointer
*/
ssh_save = data->state.proto.ssh;
memset(&http_proxy, 0, sizeof(http_proxy));
data->state.proto.http = &http_proxy;
result = Curl_proxyCONNECT(conn, FIRSTSOCKET,
conn->host.name, conn->remote_port);
data->state.proto.ssh = ssh_save;
if(CURLE_OK != result)
return result;
}
result = ssh_init(conn);
if(result)
return result;

View File

@ -124,6 +124,7 @@ int curl_win32_idn_to_ascii(const char *in, char **out);
#include "socks.h"
#include "curl_rtmp.h"
#include "gopher.h"
#include "http_proxy.h"
#define _MPRINTF_REPLACE /* use our functions only */
#include <curl/mprintf.h>
@ -3385,13 +3386,45 @@ CURLcode Curl_protocol_connect(struct connectdata *conn,
Curl_verboseconnect(conn);
if(!conn->bits.protoconnstart) {
/* Set start time here for timeout purposes in the connect procedure, it
is later set again for the progress meter purpose */
conn->now = Curl_tvnow();
if(conn->bits.tunnel_proxy && conn->bits.httpproxy) {
#ifndef CURL_DISABLE_PROXY
/* for [protocol] tunneled through HTTP proxy */
struct HTTP http_proxy;
void *prot_save;
/* BLOCKING */
/* We want "seamless" operations through HTTP proxy tunnel */
/* Curl_proxyCONNECT is based on a pointer to a struct HTTP at the
* member conn->proto.http; we want [protocol] through HTTP and we have
* to change the member temporarily for connecting to the HTTP
* proxy. After Curl_proxyCONNECT we have to set back the member to the
* original pointer
*/
prot_save = data->state.proto.generic;
memset(&http_proxy, 0, sizeof(http_proxy));
data->state.proto.http = &http_proxy;
result = Curl_proxyCONNECT(conn, FIRSTSOCKET,
conn->host.name, conn->remote_port);
data->state.proto.generic = prot_save;
if(CURLE_OK != result)
return result;
#else
return CURLE_NOT_BUILT_IN;
#endif
}
if(conn->handler->connect_it) {
/* is there a protocol-specific connect() procedure? */
/* Set start time here for timeout purposes in the connect procedure, it
is later set again for the progress meter purpose */
conn->now = Curl_tvnow();
/* Call the protocol-specific connect function */
result = conn->handler->connect_it(conn, protocol_done);
}