134 lines
3.8 KiB
C
134 lines
3.8 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include "curl_setup.h"
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#if !defined(CURL_DISABLE_HTTP) && defined(USE_SPNEGO)
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#include "urldata.h"
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#include "sendf.h"
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#include "rawstr.h"
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#include "http_negotiate.h"
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#include "vauth/vauth.h"
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/* The last 3 #include files should be in this order */
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#include "curl_printf.h"
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#include "curl_memory.h"
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#include "memdebug.h"
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CURLcode Curl_input_negotiate(struct connectdata *conn, bool proxy,
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const char *header)
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{
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struct Curl_easy *data = conn->data;
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size_t len;
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/* Point to the username, password, service and host */
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const char *userp;
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const char *passwdp;
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const char *service;
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const char *host;
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/* Point to the correct struct with this */
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struct negotiatedata *neg_ctx;
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if(proxy) {
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userp = conn->proxyuser;
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passwdp = conn->proxypasswd;
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service = data->set.str[STRING_PROXY_SERVICE_NAME] ?
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data->set.str[STRING_PROXY_SERVICE_NAME] : "HTTP";
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host = conn->proxy.name;
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neg_ctx = &data->state.proxyneg;
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}
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else {
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userp = conn->user;
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passwdp = conn->passwd;
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service = data->set.str[STRING_SERVICE_NAME] ?
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data->set.str[STRING_SERVICE_NAME] : "HTTP";
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host = conn->host.name;
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neg_ctx = &data->state.negotiate;
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}
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/* Not set means empty */
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if(!userp)
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userp = "";
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if(!passwdp)
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passwdp = "";
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/* Obtain the input token, if any */
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header += strlen("Negotiate");
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while(*header && ISSPACE(*header))
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header++;
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len = strlen(header);
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if(!len) {
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/* Is this the first call in a new negotiation? */
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if(neg_ctx->context) {
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/* The server rejected our authentication and hasn't suppled any more
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negotiation mechanisms */
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return CURLE_LOGIN_DENIED;
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}
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}
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/* Initilise the security context and decode our challenge */
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return Curl_auth_decode_spnego_message(data, userp, passwdp, service, host,
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header, neg_ctx);
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}
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CURLcode Curl_output_negotiate(struct connectdata *conn, bool proxy)
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{
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struct negotiatedata *neg_ctx = proxy ? &conn->data->state.proxyneg :
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&conn->data->state.negotiate;
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char *base64 = NULL;
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size_t len = 0;
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char *userp;
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CURLcode result;
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result = Curl_auth_create_spnego_message(conn->data, neg_ctx, &base64, &len);
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if(result)
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return result;
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userp = aprintf("%sAuthorization: Negotiate %s\r\n", proxy ? "Proxy-" : "",
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base64);
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if(proxy) {
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Curl_safefree(conn->allocptr.proxyuserpwd);
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conn->allocptr.proxyuserpwd = userp;
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}
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else {
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Curl_safefree(conn->allocptr.userpwd);
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conn->allocptr.userpwd = userp;
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}
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free(base64);
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return (userp == NULL) ? CURLE_OUT_OF_MEMORY : CURLE_OK;
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}
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void Curl_cleanup_negotiate(struct Curl_easy *data)
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{
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Curl_auth_spnego_cleanup(&data->state.negotiate);
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Curl_auth_spnego_cleanup(&data->state.proxyneg);
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}
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#endif /* !CURL_DISABLE_HTTP && USE_SPNEGO */
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