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curl/lib/curl_sasl.c
Steve Holme 8e860c1662 sasl: Moved plain text authentication message creation from smtp.c
Moved the plain text message creation from smtp.c into the sasl module
to allow for use by other modules such as pop3.
2012-05-30 20:52:52 +01:00

80 lines
2.6 KiB
C

/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* RFC4616 PLAIN authentication
*
***************************************************************************/
#include "setup.h"
#include <curl/curl.h>
#include "urldata.h"
#include "curl_base64.h"
#include "curl_sasl.h"
/* The last #include file should be: */
#include "memdebug.h"
/*
* Curl_sasl_create_plain_message()
*
* This is used to generate an already encoded plain message ready
* for sending to the recipient.
*
* Parameters:
*
* data [in] - The session handle.
* userp [in] - The user name.
* passdwp [in] - The user's password.
* outptr [in/out] - The address where a pointer to newly allocated memory
* holding the result will be stored upon completion.
* outlen [out] - The length of the output message.
*
* Returns CURLE_OK on success.
*/
CURLcode Curl_sasl_create_plain_message(struct SessionHandle *data,
const char* userp,
const char* passwdp,
char **outptr, size_t *outlen)
{
char plainauth[2 * MAX_CURL_USER_LENGTH + MAX_CURL_PASSWORD_LENGTH];
size_t ulen;
size_t plen;
ulen = strlen(userp);
plen = strlen(passwdp);
if(2 * ulen + plen + 2 > sizeof(plainauth)) {
*outlen = 0;
*outptr = NULL;
return CURLE_OUT_OF_MEMORY; /* plainauth too small */
}
memcpy(plainauth, userp, ulen);
plainauth[ulen] = '\0';
memcpy(plainauth + ulen + 1, userp, ulen);
plainauth[2 * ulen + 1] = '\0';
memcpy(plainauth + 2 * ulen + 2, passwdp, plen);
return Curl_base64_encode(data, plainauth, 2 * ulen + plen + 2, outptr,
outlen);
}