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- Manfred Schwarb reported that socks5 support was broken and help us pinpoint

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the problem. The code now tries harder to use httproxy and proxy where
  apppropriate, as not all proxies are HTTP...
This commit is contained in:
Daniel Stenberg 2007-02-03 09:33:54 +00:00
parent c26ec47e90
commit 138b4f27b4
2 changed files with 34 additions and 30 deletions
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50
lib/url.c
View File

@ -2084,8 +2084,9 @@ ConnectionExists(struct SessionHandle *data,
}
}
else { /* The requested needle connection is using a proxy,
is the checked one using the same? */
if(check->bits.httpproxy &&
is the checked one using the same host, port and type? */
if(check->bits.proxy &&
(needle->proxytype == check->proxytype) &&
strequal(needle->proxy.name, check->proxy.name) &&
needle->port == check->port) {
/* This is the same proxy connection, use it! */
@ -2240,10 +2241,10 @@ static CURLcode ConnectPlease(struct SessionHandle *data,
{
CURLcode result;
Curl_addrinfo *addr;
char *hostname = conn->bits.httpproxy?conn->proxy.name:conn->host.name;
char *hostname = conn->bits.proxy?conn->proxy.name:conn->host.name;
infof(data, "About to connect() to %s%s port %d (#%d)\n",
conn->bits.httpproxy?"proxy ":"",
conn->bits.proxy?"proxy ":"",
hostname, conn->port, conn->connectindex);
/*************************************************************
@ -2287,7 +2288,7 @@ static CURLcode ConnectPlease(struct SessionHandle *data,
static void verboseconnect(struct connectdata *conn)
{
infof(conn->data, "Connected to %s (%s) port %d (#%d)\n",
conn->bits.httpproxy ? conn->proxy.dispname : conn->host.dispname,
conn->bits.proxy ? conn->proxy.dispname : conn->host.dispname,
conn->ip_addr_str, conn->port, conn->connectindex);
}
@ -2766,9 +2767,10 @@ static CURLcode CreateConnection(struct SessionHandle *data,
conn->sock[SECONDARYSOCKET] = CURL_SOCKET_BAD; /* no file descriptor */
conn->connectindex = -1; /* no index */
conn->bits.httpproxy = (bool)(data->set.proxy /* http proxy or not */
&& *data->set.proxy
&& (data->set.proxytype == CURLPROXY_HTTP));
conn->proxytype = data->set.proxytype; /* type */
conn->bits.proxy = (bool)(data->set.proxy && *data->set.proxy);
conn->bits.httpproxy = (bool)(conn->bits.proxy
&& (conn->proxytype == CURLPROXY_HTTP));
proxy = data->set.proxy; /* if global proxy is set, this is it */
/* Default protocol-independent behavior doesn't support persistent
@ -2867,9 +2869,10 @@ static CURLcode CreateConnection(struct SessionHandle *data,
#ifndef CURL_DISABLE_HTTP
/*************************************************************
* Detect what (if any) proxy to use
* Detect what (if any) proxy to use. Remember that this selects a host
* name and is not limited to HTTP proxies only.
*************************************************************/
if(!conn->bits.httpproxy) {
if(!proxy) {
/* If proxy was not specified, we check for default proxy environment
* variables, to enable i.e Lynx compliance:
*
@ -2964,12 +2967,15 @@ static CURLcode CreateConnection(struct SessionHandle *data,
if(proxy && *proxy) {
long bits = conn->protocol & (PROT_HTTPS|PROT_SSL|PROT_MISSING);
/* force this to become HTTP */
conn->protocol = PROT_HTTP | bits;
proxy_alloc=TRUE; /* this needs to be freed later */
if(conn->proxytype == CURLPROXY_HTTP) {
/* force this connection's protocol to become HTTP */
conn->protocol = PROT_HTTP | bits;
conn->bits.httpproxy = TRUE;
}
}
} /* if (!nope) - it wasn't specified non-proxy */
} /* NO_PROXY wasn't specified or '*' */
if(no_proxy)
@ -3081,7 +3087,7 @@ static CURLcode CreateConnection(struct SessionHandle *data,
conn->remote_port = (unsigned short)port;
conn->protocol |= PROT_FTP;
if(proxy && *proxy && !data->set.tunnel_thru_httpproxy) {
if(conn->bits.httpproxy && !data->set.tunnel_thru_httpproxy) {
/* Unless we have asked to tunnel ftp operations through the proxy, we
switch and use HTTP operations only */
#ifndef CURL_DISABLE_HTTP
@ -3686,17 +3692,16 @@ else {
}
/* host can change, when doing keepalive with a proxy ! */
if (conn->bits.httpproxy) {
if (conn->bits.proxy) {
free(conn->host.rawalloc);
conn->host=old_conn->host;
}
else
free(old_conn->host.rawalloc); /* free the newly allocated name buffer */
/* get the newly set value, not the old one */
conn->bits.no_body = old_conn->bits.no_body;
if (!conn->bits.httpproxy)
free(old_conn->host.rawalloc); /* free the newly allocated name buffer */
/* re-use init */
conn->bits.reuse = TRUE; /* yes, we're re-using here */
conn->bits.chunk = FALSE; /* always assume not chunked unless told
@ -3743,7 +3748,7 @@ else {
infof(data, "Re-using existing connection! (#%ld) with host %s\n",
conn->connectindex,
conn->bits.httpproxy?conn->proxy.dispname:conn->host.dispname);
proxy?conn->proxy.dispname:conn->host.dispname);
}
else {
/*
@ -3842,7 +3847,7 @@ else {
hostaddr = NULL;
/* we'll need to clear conn->dns_entry later in Curl_disconnect() */
if (conn->bits.httpproxy)
if (conn->bits.proxy)
fix_hostname(data, conn, &conn->host);
}
else {
@ -3961,18 +3966,15 @@ static CURLcode SetupConnection(struct connectdata *conn,
*protocol_done = FALSE; /* default to not done */
/*************************************************************
* Send user-agent to HTTP proxies even if the target protocol
* isn't HTTP.
* Set user-agent for HTTP
*************************************************************/
if((conn->protocol&PROT_HTTP) || conn->bits.httpproxy) {
if(data->set.useragent) {
if((conn->protocol&PROT_HTTP) && data->set.useragent) {
Curl_safefree(conn->allocptr.uagent);
conn->allocptr.uagent =
aprintf("User-Agent: %s\r\n", data->set.useragent);
if(!conn->allocptr.uagent)
return CURLE_OUT_OF_MEMORY;
}
}
conn->headerbytecount = 0;

2
lib/urldata.h
View File

@ -432,6 +432,7 @@ struct ConnectBits {
bool close; /* if set, we close the connection after this request */
bool reuse; /* if set, this is a re-used connection */
bool chunk; /* if set, this is a chunked transfer-encoding */
bool proxy; /* if set, this transfer is done through a proxy - any type */
bool httpproxy; /* if set, this transfer is done through a http proxy */
bool user_passwd; /* do we use user+password for this connection? */
bool proxy_user_passwd; /* user+password for the proxy? */
@ -748,6 +749,7 @@ struct connectdata {
char *proxyuser; /* proxy user name string, allocated */
char *proxypasswd; /* proxy password string, allocated */
curl_proxytype proxytype; /* what kind of proxy that is in use */
struct timeval now; /* "current" time */
struct timeval created; /* creation time */