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193 lines
8.3 KiB
C
193 lines
8.3 KiB
C
#ifndef HEADER_CURL_SASL_H
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#define HEADER_CURL_SASL_H
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/***************************************************************************
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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) 2012 - 2014, 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 http://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/curl.h>
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struct SessionHandle;
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struct connectdata;
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#if !defined(CURL_DISABLE_CRYPTO_AUTH)
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struct digestdata;
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#endif
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#if defined(USE_NTLM)
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struct ntlmdata;
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#endif
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#if defined(USE_KERBEROS5)
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struct kerberos5data;
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#endif
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/* Authentication mechanism values */
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#define SASL_AUTH_NONE 0
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#define SASL_AUTH_ANY ~0U
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/* Authentication mechanism flags */
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#define SASL_MECH_LOGIN (1 << 0)
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#define SASL_MECH_PLAIN (1 << 1)
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#define SASL_MECH_CRAM_MD5 (1 << 2)
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#define SASL_MECH_DIGEST_MD5 (1 << 3)
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#define SASL_MECH_GSSAPI (1 << 4)
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#define SASL_MECH_EXTERNAL (1 << 5)
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#define SASL_MECH_NTLM (1 << 6)
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#define SASL_MECH_XOAUTH2 (1 << 7)
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/* Authentication mechanism strings */
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#define SASL_MECH_STRING_LOGIN "LOGIN"
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#define SASL_MECH_STRING_PLAIN "PLAIN"
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#define SASL_MECH_STRING_CRAM_MD5 "CRAM-MD5"
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#define SASL_MECH_STRING_DIGEST_MD5 "DIGEST-MD5"
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#define SASL_MECH_STRING_GSSAPI "GSSAPI"
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#define SASL_MECH_STRING_EXTERNAL "EXTERNAL"
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#define SASL_MECH_STRING_NTLM "NTLM"
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#define SASL_MECH_STRING_XOAUTH2 "XOAUTH2"
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enum {
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CURLDIGESTALGO_MD5,
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CURLDIGESTALGO_MD5SESS
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};
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/* This is used to test whether the line starts with the given mechanism */
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#define sasl_mech_equal(line, wordlen, mech) \
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(wordlen == (sizeof(mech) - 1) / sizeof(char) && \
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!memcmp(line, mech, wordlen))
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/* This is used to build a SPN string */
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#if !defined(USE_WINDOWS_SSPI)
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char *Curl_sasl_build_spn(const char *service, const char *instance);
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#else
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TCHAR *Curl_sasl_build_spn(const char *service, const char *instance);
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#endif
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/* This is used to generate a base64 encoded PLAIN authentication message */
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CURLcode Curl_sasl_create_plain_message(struct SessionHandle *data,
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const char *userp,
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const char *passwdp,
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char **outptr, size_t *outlen);
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/* This is used to generate a base64 encoded LOGIN authentication message
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containing either the user name or password details */
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CURLcode Curl_sasl_create_login_message(struct SessionHandle *data,
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const char *valuep, char **outptr,
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size_t *outlen);
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#ifndef CURL_DISABLE_CRYPTO_AUTH
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/* This is used to decode a base64 encoded CRAM-MD5 challange message */
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CURLcode Curl_sasl_decode_cram_md5_message(const char *chlg64, char **outptr,
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size_t *outlen);
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/* This is used to generate a base64 encoded CRAM-MD5 response message */
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CURLcode Curl_sasl_create_cram_md5_message(struct SessionHandle *data,
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const char *chlg,
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const char *user,
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const char *passwdp,
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char **outptr, size_t *outlen);
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/* This is used to generate a base64 encoded DIGEST-MD5 response message */
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CURLcode Curl_sasl_create_digest_md5_message(struct SessionHandle *data,
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const char *chlg64,
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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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char **outptr, size_t *outlen);
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/* This is used to decode a HTTP DIGEST challenge message */
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CURLcode Curl_sasl_decode_digest_http_message(const char *chlg,
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struct digestdata *digest);
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/* This is used to generate a HTTP DIGEST response message */
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CURLcode Curl_sasl_create_digest_http_message(struct SessionHandle *data,
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const char *userp,
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const char *passwdp,
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const unsigned char *request,
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const unsigned char *uri,
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struct digestdata *digest,
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char **outptr, size_t *outlen);
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/* This is used to clean up the digest specific data */
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void Curl_sasl_digest_cleanup(struct digestdata *digest);
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#endif
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#ifdef USE_NTLM
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/* This is used to generate a base64 encoded NTLM type-1 message */
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CURLcode Curl_sasl_create_ntlm_type1_message(const char *userp,
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const char *passwdp,
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struct ntlmdata *ntlm,
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char **outptr,
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size_t *outlen);
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/* This is used to decode a base64 encoded NTLM type-2 message */
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CURLcode Curl_sasl_decode_ntlm_type2_message(struct SessionHandle *data,
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const char *type2msg,
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struct ntlmdata *ntlm);
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/* This is used to generate a base64 encoded NTLM type-3 message */
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CURLcode Curl_sasl_create_ntlm_type3_message(struct SessionHandle *data,
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const char *userp,
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const char *passwdp,
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struct ntlmdata *ntlm,
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char **outptr, size_t *outlen);
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/* This is used to clean up the ntlm specific data */
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void Curl_sasl_ntlm_cleanup(struct ntlmdata *ntlm);
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#endif /* USE_NTLM */
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#if defined(USE_KERBEROS5)
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/* This is used to generate a base64 encoded GSSAPI (Kerberos V5) user token
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message */
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CURLcode Curl_sasl_create_gssapi_user_message(struct SessionHandle *data,
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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 bool mutual,
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const char *chlg64,
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struct kerberos5data *krb5,
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char **outptr, size_t *outlen);
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/* This is used to generate a base64 encoded GSSAPI (Kerberos V5) security
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token message */
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CURLcode Curl_sasl_create_gssapi_security_message(struct SessionHandle *data,
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const char *input,
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struct kerberos5data *krb5,
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char **outptr,
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size_t *outlen);
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/* This is used to clean up the gssapi specific data */
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void Curl_sasl_gssapi_cleanup(struct kerberos5data *krb5);
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#endif /* USE_KERBEROS5 */
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/* This is used to generate a base64 encoded XOAUTH2 authentication message
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containing the user name and bearer token */
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CURLcode Curl_sasl_create_xoauth2_message(struct SessionHandle *data,
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const char *user,
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const char *bearer,
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char **outptr, size_t *outlen);
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/* This is used to cleanup any libraries or curl modules used by the sasl
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functions */
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void Curl_sasl_cleanup(struct connectdata *conn, unsigned int authused);
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#endif /* HEADER_CURL_SASL_H */
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