125 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			125 lines
		
	
	
		
			3.4 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) 2020 - 2021, Simon Josefsson, <simon@josefsson.org>, 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.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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|  * RFC5802 SCRAM-SHA-1 authentication
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|  *
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|  ***************************************************************************/
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| 
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| #include "curl_setup.h"
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| 
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| #ifdef USE_GSASL
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| 
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| #include <curl/curl.h>
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| 
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| #include "vauth/vauth.h"
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| #include "urldata.h"
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| #include "sendf.h"
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| 
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| #include <gsasl.h>
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| 
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| /* The last #include files should be: */
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| #include "curl_memory.h"
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| #include "memdebug.h"
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| 
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| bool Curl_auth_gsasl_is_supported(struct Curl_easy *data,
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|                                   const char *mech,
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|                                   struct gsasldata *gsasl)
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| {
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|   int res;
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| 
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|   res = gsasl_init(&gsasl->ctx);
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|   if(res != GSASL_OK) {
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|     failf(data, "gsasl init: %s\n", gsasl_strerror(res));
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|     return FALSE;
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|   }
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| 
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|   res = gsasl_client_start(gsasl->ctx, mech, &gsasl->client);
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|   if(res != GSASL_OK) {
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|     gsasl_done(gsasl->ctx);
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|     return FALSE;
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|   }
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| 
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|   return true;
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| }
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| 
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| CURLcode Curl_auth_gsasl_start(struct Curl_easy *data,
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|                                const char *userp,
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|                                const char *passwdp,
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|                                struct gsasldata *gsasl)
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| {
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| #if GSASL_VERSION_NUMBER >= 0x010b00
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|   int res;
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|   res =
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| #endif
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|     gsasl_property_set(gsasl->client, GSASL_AUTHID, userp);
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| #if GSASL_VERSION_NUMBER >= 0x010b00
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|   if(res != GSASL_OK) {
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|     failf(data, "setting AUTHID failed: %s\n", gsasl_strerror(res));
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|     return CURLE_OUT_OF_MEMORY;
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|   }
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| #endif
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| 
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| #if GSASL_VERSION_NUMBER >= 0x010b00
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|   res =
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| #endif
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|     gsasl_property_set(gsasl->client, GSASL_PASSWORD, passwdp);
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| #if GSASL_VERSION_NUMBER >= 0x010b00
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|   if(res != GSASL_OK) {
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|     failf(data, "setting PASSWORD failed: %s\n", gsasl_strerror(res));
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|     return CURLE_OUT_OF_MEMORY;
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|   }
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| #endif
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| 
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|   (void)data;
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| 
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|   return CURLE_OK;
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| }
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| 
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| CURLcode Curl_auth_gsasl_token(struct Curl_easy *data,
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|                                const struct bufref *chlg,
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|                                struct gsasldata *gsasl,
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|                                struct bufref *out)
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| {
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|   int res;
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|   char *response;
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|   size_t outlen;
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| 
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|   res = gsasl_step(gsasl->client,
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|                    (const char *) Curl_bufref_ptr(chlg), Curl_bufref_len(chlg),
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|                    &response, &outlen);
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|   if(res != GSASL_OK && res != GSASL_NEEDS_MORE) {
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|     failf(data, "GSASL step: %s\n", gsasl_strerror(res));
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|     return CURLE_BAD_CONTENT_ENCODING;
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|   }
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| 
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|   Curl_bufref_set(out, response, outlen, gsasl_free);
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|   return CURLE_OK;
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| }
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| 
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| void Curl_auth_gsasl_cleanup(struct gsasldata *gsasl)
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| {
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|   gsasl_finish(gsasl->client);
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|   gsasl->client = NULL;
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| 
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|   gsasl_done(gsasl->ctx);
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|   gsasl->ctx = NULL;
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| }
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| #endif
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