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https://github.com/curl/curl.git
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- Robert Foreman provided a prime example snippet showing how libcurl would
get confused and not acknowledge the 'no_proxy' variable properly once it had used the proxy and you re-used the same easy handle. I made sure the proxy name is properly stored in the connect struct rather than the sessionhandle/easy struct.
This commit is contained in:
parent
61a6992559
commit
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6
CHANGES
6
CHANGES
@ -7,6 +7,12 @@
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Changelog
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Daniel (22 December 2006)
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- Robert Foreman provided a prime example snippet showing how libcurl would
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get confused and not acknowledge the 'no_proxy' variable properly once it
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had used the proxy and you re-used the same easy handle. I made sure the
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proxy name is properly stored in the connect struct rather than the
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sessionhandle/easy struct.
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- David McCreedy fixed a bad call to getsockname() that wrongly used a size_t
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variable to point to when it should be a socklen_t.
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@ -57,6 +57,6 @@ advice from friends like these:
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Ciprian Badescu, Dmitriy Sergeyev, Nir Soffer, Venkat Akella, Toon Verwaest,
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Matt Witherspoon, Alexey Simak, Martin Skinner, Sh Diao, Jared Lundell,
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Stefan Krause, Sebastien Willemijns, Alexey Simak, Brendan Jurd,
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Robson Braga Araujo
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Robson Braga Araujo, David McCreedy, Robert Foreman
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Thanks! (and sorry if I forgot to mention someone)
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@ -593,12 +593,7 @@ CURL *curl_easy_duphandle(CURL *incurl)
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break;
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outcurl->change.url_alloc = TRUE;
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}
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if(data->change.proxy) {
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outcurl->change.proxy = strdup(data->change.proxy);
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if(!outcurl->change.proxy)
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break;
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outcurl->change.proxy_alloc = TRUE;
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}
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if(data->change.referer) {
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outcurl->change.referer = strdup(data->change.referer);
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if(!outcurl->change.referer)
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@ -633,8 +628,6 @@ CURL *curl_easy_duphandle(CURL *incurl)
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Curl_rm_connc(outcurl->state.connc);
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if(outcurl->state.headerbuff)
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free(outcurl->state.headerbuff);
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if(outcurl->change.proxy)
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free(outcurl->change.proxy);
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if(outcurl->change.url)
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free(outcurl->change.url);
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if(outcurl->change.referer)
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@ -1668,7 +1668,7 @@ static CURLcode ftp_state_pasv_resp(struct connectdata *conn,
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return CURLE_FTP_WEIRD_PASV_REPLY;
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}
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if(data->change.proxy && *data->change.proxy) {
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if(data->set.proxy && *data->set.proxy) {
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/*
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* This is a tunnel through a http proxy and we need to connect to the
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* proxy again here.
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54
lib/url.c
54
lib/url.c
@ -310,9 +310,6 @@ CURLcode Curl_close(struct SessionHandle *data)
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Curl_safefree(data->state.first_host);
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Curl_safefree(data->state.scratch);
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if(data->change.proxy_alloc)
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free(data->change.proxy);
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if(data->change.referer_alloc)
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free(data->change.referer);
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@ -1105,15 +1102,7 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
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* Setting it to NULL, means no proxy but allows the environment variables
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* to decide for us.
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*/
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if(data->change.proxy_alloc) {
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/*
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* The already set string is allocated, free that first
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*/
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data->change.proxy_alloc = FALSE;
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free(data->change.proxy);
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}
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data->set.set_proxy = va_arg(param, char *);
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data->change.proxy = data->set.set_proxy;
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data->set.proxy = va_arg(param, char *);
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break;
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case CURLOPT_WRITEHEADER:
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@ -1915,7 +1904,7 @@ int Curl_removeHandleFromPipeline(struct SessionHandle *handle,
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return 0;
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}
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#if 0
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#if 0 /* this code is saved here as it is useful for debugging purposes */
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static void Curl_printPipeline(struct curl_llist *pipe)
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{
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struct curl_llist_element *curr;
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@ -2082,7 +2071,6 @@ ConnectionExists(struct SessionHandle *data,
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}
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if(match) {
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#if 1
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if (!IsPipeliningEnabled(data)) {
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/* The check for a dead socket makes sense only in the
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non-pipelining case */
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@ -2097,7 +2085,6 @@ ConnectionExists(struct SessionHandle *data,
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return FALSE;
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}
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}
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#endif
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check->inuse = TRUE; /* mark this as being in use so that no other
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handle in a multi stack may nick it */
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@ -2230,10 +2217,10 @@ static CURLcode ConnectPlease(struct SessionHandle *data,
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{
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CURLcode result;
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Curl_addrinfo *addr;
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char *hostname = data->change.proxy?conn->proxy.name:conn->host.name;
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char *hostname = conn->bits.httpproxy?conn->proxy.name:conn->host.name;
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infof(data, "About to connect() to %s%s port %d (#%d)\n",
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data->change.proxy?"proxy ":"",
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conn->bits.httpproxy?"proxy ":"",
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hostname, conn->port, conn->connectindex);
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/*************************************************************
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@ -2706,6 +2693,8 @@ static CURLcode CreateConnection(struct SessionHandle *data,
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char passwd[MAX_CURL_PASSWORD_LENGTH];
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int rc;
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bool reuse;
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char *proxy;
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bool proxy_alloc = FALSE;
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#ifndef USE_ARES
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#ifdef SIGALRM
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@ -2754,9 +2743,10 @@ static CURLcode CreateConnection(struct SessionHandle *data,
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conn->sock[SECONDARYSOCKET] = CURL_SOCKET_BAD; /* no file descriptor */
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conn->connectindex = -1; /* no index */
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conn->bits.httpproxy = (bool)(data->change.proxy /* http proxy or not */
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&& *data->change.proxy
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conn->bits.httpproxy = (bool)(data->set.proxy /* http proxy or not */
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&& *data->set.proxy
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&& (data->set.proxytype == CURLPROXY_HTTP));
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proxy = data->set.proxy; /* if global proxy is set, this is it */
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/* Default protocol-independent behavior doesn't support persistent
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connections, so we set this to force-close. Protocols that support
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@ -2856,7 +2846,7 @@ static CURLcode CreateConnection(struct SessionHandle *data,
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/*************************************************************
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* Detect what (if any) proxy to use
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*************************************************************/
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if(!data->change.proxy) {
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if(!conn->bits.httpproxy) {
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/* If proxy was not specified, we check for default proxy environment
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* variables, to enable i.e Lynx compliance:
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*
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@ -2876,7 +2866,6 @@ static CURLcode CreateConnection(struct SessionHandle *data,
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*/
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char *no_proxy=NULL;
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char *no_proxy_tok_buf;
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char *proxy=NULL;
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char proxy_env[128];
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no_proxy=curl_getenv("no_proxy");
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@ -2952,12 +2941,11 @@ static CURLcode CreateConnection(struct SessionHandle *data,
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if(proxy && *proxy) {
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long bits = conn->protocol & (PROT_HTTPS|PROT_SSL|PROT_MISSING);
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data->change.proxy = proxy;
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data->change.proxy_alloc=TRUE; /* this needs to be freed later */
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conn->bits.httpproxy = TRUE;
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/* force this to become HTTP */
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conn->protocol = PROT_HTTP | bits;
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proxy_alloc=TRUE; /* this needs to be freed later */
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conn->bits.httpproxy = TRUE;
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}
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} /* if (!nope) - it wasn't specified non-proxy */
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} /* NO_PROXY wasn't specified or '*' */
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@ -3070,9 +3058,7 @@ static CURLcode CreateConnection(struct SessionHandle *data,
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conn->remote_port = (unsigned short)port;
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conn->protocol |= PROT_FTP;
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if(data->change.proxy &&
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*data->change.proxy &&
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!data->set.tunnel_thru_httpproxy) {
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if(proxy && *proxy && !data->set.tunnel_thru_httpproxy) {
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/* Unless we have asked to tunnel ftp operations through the proxy, we
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switch and use HTTP operations only */
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#ifndef CURL_DISABLE_HTTP
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@ -3270,7 +3256,7 @@ else {
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return CURLE_UNSUPPORTED_PROTOCOL;
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}
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if(data->change.proxy && *data->change.proxy) {
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if(proxy && *proxy) {
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/* If this is supposed to use a proxy, we need to figure out the proxy
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host name name, so that we can re-use an existing connection
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that may exist registered to the same proxy host. */
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@ -3279,8 +3265,9 @@ else {
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char *endofprot;
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/* We need to make a duplicate of the proxy so that we can modify the
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string safely. */
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char *proxydup=strdup(data->change.proxy);
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string safely. If 'proxy_alloc' is TRUE, the string is already
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allocated and we can treat it as duplicated. */
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char *proxydup=proxy_alloc?proxy:strdup(proxy);
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/* We use 'proxyptr' to point to the proxy name from now on... */
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char *proxyptr=proxydup;
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@ -3840,7 +3827,7 @@ else {
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/* set a pointer to the hostname we display */
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fix_hostname(data, conn, &conn->host);
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if(!data->change.proxy || !*data->change.proxy) {
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if(!proxy || !*proxy) {
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/* If not connecting via a proxy, extract the port from the URL, if it is
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* there, thus overriding any defaults that might have been set above. */
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conn->port = conn->remote_port; /* it is the same port */
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@ -3953,8 +3940,7 @@ static CURLcode SetupConnection(struct connectdata *conn,
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* Send user-agent to HTTP proxies even if the target protocol
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* isn't HTTP.
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*************************************************************/
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if((conn->protocol&PROT_HTTP) ||
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(data->change.proxy && *data->change.proxy)) {
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if((conn->protocol&PROT_HTTP) || conn->bits.httpproxy) {
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if(data->set.useragent) {
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Curl_safefree(conn->allocptr.uagent);
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conn->allocptr.uagent =
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changed after the connect phase, as we allow callback
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to change it and if so, we reconnect to use the new
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URL instead */
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char *proxy; /* work proxy, copied from UserDefined */
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bool proxy_alloc; /* http proxy string is malloc()'ed */
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char *referer; /* referer string */
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bool referer_alloc; /* referer sting is malloc()ed */
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struct curl_slist *cookielist; /* list of cookie files set by
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@ -1132,7 +1130,7 @@ struct UserDefined {
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void *in; /* the uploaded file is read from here */
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void *writeheader; /* write the header to this if non-NULL */
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char *set_url; /* what original URL to work on */
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char *set_proxy; /* proxy to use */
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char *proxy; /* proxy to use */
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long use_port; /* which port to use (when not using default) */
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char *userpwd; /* <user:password>, if used */
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long httpauth; /* what kind of HTTP authentication to use (bitmask) */
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