Unity-Technologies
/
curl
зеркало из https://github.com/Unity-Technologies/curl.git
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Serge Semashko added CURLOPT_PROXYAUTH support, and now NTLM for proxies 

work.
This commit is contained in:
Daniel Stenberg 2003-08-11 11:47:45 +00:00
Родитель 3e122a765d
Коммит 7a19923afa
6 изменённых файлов: 155 добавлений и 35 удалений
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127
lib/http.c
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@ -93,6 +93,7 @@
#include "http_negotiate.h"
#include "url.h"
#include "share.h"
#include "http.h"
#define _MPRINTF_REPLACE /* use our functions only */
#include <curl/mprintf.h>
@ -102,6 +103,8 @@
#include "memdebug.h"
#endif
static CURLcode Curl_output_basic_proxy(struct connectdata *conn);
/* fread() emulation to provide POST and/or request data */
static int readmoredata(char *buffer,
size_t size,
@ -430,6 +433,13 @@ CURLcode Curl_ConnectHTTPProxyTunnel(struct connectdata *conn,
infof(data, "Establish HTTP proxy tunnel to %s:%d\n", hostname, remote_port);
/*
* This code currently only supports Basic authentication for this CONNECT
* request to a proxy.
*/
if(conn->bits.proxy_user_passwd)
Curl_output_basic_proxy(conn);
/* OK, now send the connect request to the proxy */
result =
Curl_sendf(tunnelsocket, conn,
@ -561,6 +571,8 @@ CURLcode Curl_ConnectHTTPProxyTunnel(struct connectdata *conn,
Curl_safefree(conn->allocptr.proxyuserpwd);
conn->allocptr.proxyuserpwd = NULL;
Curl_http_auth_stage(data, 401); /* move on to the host auth */
infof (data, "Proxy replied to CONNECT request\n");
return CURLE_OK;
}
@ -672,6 +684,37 @@ static CURLcode Curl_output_basic(struct connectdata *conn)
return CURLE_OK;
}
static CURLcode Curl_output_basic_proxy(struct connectdata *conn)
{
char *authorization;
struct SessionHandle *data=conn->data;
sprintf(data->state.buffer, "%s:%s", conn->proxyuser, conn->proxypasswd);
if(Curl_base64_encode(data->state.buffer, strlen(data->state.buffer),
&authorization) >= 0) {
Curl_safefree(conn->allocptr.proxyuserpwd);
conn->allocptr.proxyuserpwd =
aprintf("Proxy-authorization: Basic %s\015\012", authorization);
free(authorization);
}
else
return CURLE_OUT_OF_MEMORY;
return CURLE_OK;
}
void Curl_http_auth_stage(struct SessionHandle *data,
int stage)
{
if(stage == 401)
data->state.authwant = data->set.httpauth;
else if(stage == 407)
data->state.authwant = data->set.proxyauth;
else
return; /* bad input stage */
data->state.authstage = stage;
data->state.authavail = CURLAUTH_NONE;
}
CURLcode Curl_http(struct connectdata *conn)
{
struct SessionHandle *data=conn->data;
@ -685,6 +728,13 @@ CURLcode Curl_http(struct connectdata *conn)
char *ptr;
char *request;
if(!data->state.authstage) {
if(conn->bits.httpproxy)
Curl_http_auth_stage(data, 407);
else
Curl_http_auth_stage(data, 401);
}
if(!conn->proto.http) {
/* Only allocate this struct if we don't already have it! */
@ -728,39 +778,62 @@ CURLcode Curl_http(struct connectdata *conn)
curl_strequal(data->state.auth_host, conn->hostname) ||
data->set.http_disable_hostname_check_before_authentication) {
#ifdef GSSAPI
if((data->state.authwant == CURLAUTH_GSSNEGOTIATE) &&
data->state.negotiate.context &&
!GSS_ERROR(data->state.negotiate.status)) {
result = Curl_output_negotiate(conn);
if (result)
return result;
}
else
#endif
/* Send proxy authentication header if needed */
if (data->state.authstage == 407) {
#ifdef USE_SSLEAY
if(data->state.authwant == CURLAUTH_NTLM) {
result = Curl_output_ntlm(conn, FALSE);
if(result)
return result;
}
else
#endif
{
if((data->state.authwant == CURLAUTH_DIGEST) &&
data->state.digest.nonce) {
result = Curl_output_digest(conn,
(unsigned char *)request,
(unsigned char *)ppath);
if(data->state.authwant == CURLAUTH_NTLM) {
result = Curl_output_ntlm(conn, TRUE);
if(result)
return result;
}
else if((data->state.authwant == CURLAUTH_BASIC) && /* Basic */
conn->bits.user_passwd &&
!checkheaders(data, "Authorization:")) {
result = Curl_output_basic(conn);
else
#endif
if((data->state.authwant == CURLAUTH_BASIC) && /* Basic */
conn->bits.proxy_user_passwd &&
!checkheaders(data, "Proxy-authorization:")) {
result = Curl_output_basic_proxy(conn);
if(result)
return result;
/* Switch to web authentication after proxy authentication is done */
Curl_http_auth_stage(data, 401);
}
}
/* Send web authentication header if needed */
if (data->state.authstage == 401) {
#ifdef GSSAPI
if((data->state.authwant == CURLAUTH_GSSNEGOTIATE) &&
data->state.negotiate.context &&
!GSS_ERROR(data->state.negotiate.status)) {
result = Curl_output_negotiate(conn);
if (result)
return result;
}
else
#endif
#ifdef USE_SSLEAY
if(data->state.authwant == CURLAUTH_NTLM) {
result = Curl_output_ntlm(conn, FALSE);
if(result)
return result;
}
else
#endif
{
if((data->state.authwant == CURLAUTH_DIGEST) &&
data->state.digest.nonce) {
result = Curl_output_digest(conn,
(unsigned char *)request,
(unsigned char *)ppath);
if(result)
return result;
}
else if((data->state.authwant == CURLAUTH_BASIC) && /* Basic */
conn->bits.user_passwd &&
!checkheaders(data, "Authorization:")) {
result = Curl_output_basic(conn);
if(result)
return result;
}
}
}
}

1
lib/http.h
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@ -42,5 +42,6 @@ CURLcode Curl_http_connect(struct connectdata *conn);
void Curl_httpchunk_init(struct connectdata *conn);
CHUNKcode Curl_httpchunk_read(struct connectdata *conn, char *datap,
ssize_t length, ssize_t *wrote);
void Curl_http_auth_stage(struct SessionHandle *data, int stage);
#endif
#endif

5
lib/http_ntlm.c
Просмотреть файл

@ -551,7 +551,10 @@ CURLcode Curl_output_ntlm(struct connectdata *conn,
return CURLE_OUT_OF_MEMORY; /* FIX TODO */
ntlm->state = NTLMSTATE_TYPE3; /* we sent a type-3 */
/* Switch to web authentication after proxy authentication is done */
if (proxy)
Curl_http_auth_stage(conn->data, 401);
}
break;

24
lib/transfer.c
Просмотреть файл

@ -726,12 +726,24 @@ CURLcode Curl_readwrite(struct connectdata *conn,
if(data->set.get_filetime)
data->info.filetime = k->timeofdoc;
}
else if(checkprefix("WWW-Authenticate:", k->p) &&
(401 == k->httpcode)) {
else if((checkprefix("WWW-Authenticate:", k->p) &&
(401 == k->httpcode)) ||
(checkprefix("Proxy-authenticate:", k->p) &&
(407 == k->httpcode))) {
/*
* This page requires authentication
*/
char *start = k->p+strlen("WWW-Authenticate:");
char *start = (k->httpcode == 407) ?
k->p+strlen("Proxy-authenticate:"):
k->p+strlen("WWW-Authenticate:");
/*
* Switch from proxy to web authentication and back if needed
*/
if (k->httpcode == 407 && data->state.authstage != 407)
Curl_http_auth_stage(data, 407);
else if (k->httpcode == 401 && data->state.authstage != 401)
Curl_http_auth_stage(data, 401);
/* pass all white spaces */
while(*start && isspace((int)*start))
@ -757,7 +769,7 @@ CURLcode Curl_readwrite(struct connectdata *conn,
if(data->state.authwant == CURLAUTH_NTLM) {
/* NTLM authentication is activated */
CURLntlm ntlm =
Curl_input_ntlm(conn, FALSE, start);
Curl_input_ntlm(conn, k->httpcode == 407, start);
if(CURLNTLM_BAD != ntlm)
conn->newurl = strdup(data->change.url); /* clone string */
@ -1506,8 +1518,8 @@ CURLcode Curl_pretransfer(struct SessionHandle *data)
data->state.errorbuf = FALSE; /* no error has occurred */
/* set preferred authentication, default to basic */
data->state.authwant = data->set.httpauth?data->set.httpauth:CURLAUTH_BASIC;
data->state.authavail = CURLAUTH_NONE; /* nothing so far */
data->state.authstage = 0; /* initialize authentication later */
/* If there was a list of cookie files to read and we haven't done it before,
do it now! */

25
lib/url.c
Просмотреть файл

@ -312,6 +312,9 @@ CURLcode Curl_open(struct SessionHandle **curl)
data->set.proxytype = CURLPROXY_HTTP; /* defaults to HTTP proxy */
data->set.httpauth = CURLAUTH_BASIC; /* defaults to basic authentication */
data->set.proxyauth = CURLAUTH_BASIC; /* defaults to basic authentication */
/* create an array with connection data struct pointers */
data->state.numconnects = 5; /* hard-coded right now */
data->state.connects = (struct connectdata **)
@ -878,6 +881,26 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option, ...)
}
break;
case CURLOPT_PROXYAUTH:
/*
* Set HTTP Authentication type BITMASK.
*/
{
long auth = va_arg(param, long);
/* switch off bits we can't support */
#ifndef USE_SSLEAY
auth &= ~CURLAUTH_NTLM; /* no NTLM without SSL */
#endif
#ifndef GSSAPI
auth &= ~CURLAUTH_GSSNEGOTIATE; /* no GSS-Negotiate without GSSAPI */
#endif
if(!auth)
return CURLE_FAILED_INIT; /* no supported types left! */
data->set.proxyauth = auth;
}
break;
case CURLOPT_USERPWD:
/*
* user:password to use in the operation
@ -3066,6 +3089,7 @@ static CURLcode SetupConnection(struct connectdata *conn,
/*************************************************************
* Proxy authentication
*************************************************************/
#if 0 /* This code is not needed anymore (moved to http.c) */
if(conn->bits.proxy_user_passwd) {
char *authorization;
snprintf(data->state.buffer, BUFSIZE, "%s:%s",
@ -3078,6 +3102,7 @@ static CURLcode SetupConnection(struct connectdata *conn,
free(authorization);
}
}
#endif
/*************************************************************
* Send user-agent to HTTP proxies even if the target protocol

8
lib/urldata.h
Просмотреть файл

@ -686,7 +686,12 @@ struct UrlState {
struct negotiatedata negotiate;
#endif
long authwant; /* inherited from what the user set with CURLOPT_HTTPAUTH */
long authstage; /* 0 - authwant and authavail are still not initialized
401 - web authentication is performed
407 - proxy authentication is performed */
long authwant; /* initially set to authentication methods requested by
client (either with CURLOPT_HTTPAUTH or CURLOPT_PROXYAUTH
depending on authstage) */
long authavail; /* what the server reports */
#ifdef USE_ARES
@ -741,6 +746,7 @@ struct UserDefined {
long use_port; /* which port to use (when not using default) */
char *userpwd; /* <user:password>, if used */
long httpauth; /* what kind of HTTP authentication to use (bitmask) */
long proxyauth; /* what kind of proxy authentication to use (bitmask) */
char *set_range; /* range, if used. See README for detailed specification
on this syntax. */
long followlocation; /* as in HTTP Location: */