* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 2012 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2012 - 2014, 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
*
***************************************************************************/
-#include "pingpong.h"
+#include <curl/curl.h>
-/* Authentication mechanism flags */
-#define SASL_MECH_LOGIN (1 << 0)
-#define SASL_MECH_PLAIN (1 << 1)
-#define SASL_MECH_CRAM_MD5 (1 << 2)
-#define SASL_MECH_DIGEST_MD5 (1 << 3)
-#define SASL_MECH_GSSAPI (1 << 4)
-#define SASL_MECH_EXTERNAL (1 << 5)
-#define SASL_MECH_NTLM (1 << 6)
+struct SessionHandle;
+struct connectdata;
+
+#if !defined(CURL_DISABLE_CRYPTO_AUTH)
+struct digestdata;
+#endif
+
+#if defined(USE_NTLM)
+struct ntlmdata;
+#endif
+
+#if defined(USE_KERBEROS5)
+struct kerberos5data;
+#endif
/* Authentication mechanism values */
#define SASL_AUTH_NONE 0
-#define SASL_AUTH_ANY ~0
+#define SASL_AUTH_ANY ~0U
+
+/* Authentication mechanism flags */
+#define SASL_MECH_LOGIN (1 << 0)
+#define SASL_MECH_PLAIN (1 << 1)
+#define SASL_MECH_CRAM_MD5 (1 << 2)
+#define SASL_MECH_DIGEST_MD5 (1 << 3)
+#define SASL_MECH_GSSAPI (1 << 4)
+#define SASL_MECH_EXTERNAL (1 << 5)
+#define SASL_MECH_NTLM (1 << 6)
+#define SASL_MECH_XOAUTH2 (1 << 7)
+
+/* Authentication mechanism strings */
+#define SASL_MECH_STRING_LOGIN "LOGIN"
+#define SASL_MECH_STRING_PLAIN "PLAIN"
+#define SASL_MECH_STRING_CRAM_MD5 "CRAM-MD5"
+#define SASL_MECH_STRING_DIGEST_MD5 "DIGEST-MD5"
+#define SASL_MECH_STRING_GSSAPI "GSSAPI"
+#define SASL_MECH_STRING_EXTERNAL "EXTERNAL"
+#define SASL_MECH_STRING_NTLM "NTLM"
+#define SASL_MECH_STRING_XOAUTH2 "XOAUTH2"
+
+enum {
+ CURLDIGESTALGO_MD5,
+ CURLDIGESTALGO_MD5SESS
+};
+
+/* This is used to test whether the line starts with the given mechanism */
+#define sasl_mech_equal(line, wordlen, mech) \
+ (wordlen == (sizeof(mech) - 1) / sizeof(char) && \
+ !memcmp(line, mech, wordlen))
+
+/* This is used to build a SPN string */
+#if !defined(USE_WINDOWS_SSPI)
+char *Curl_sasl_build_spn(const char *service, const char *instance);
+#else
+TCHAR *Curl_sasl_build_spn(const char *service, const char *instance);
+#endif
/* This is used to generate a base64 encoded PLAIN authentication message */
CURLcode Curl_sasl_create_plain_message(struct SessionHandle *data,
size_t *outlen);
#ifndef CURL_DISABLE_CRYPTO_AUTH
+/* This is used to decode a base64 encoded CRAM-MD5 challange message */
+CURLcode Curl_sasl_decode_cram_md5_message(const char *chlg64, char **outptr,
+ size_t *outlen);
+
/* This is used to generate a base64 encoded CRAM-MD5 response message */
CURLcode Curl_sasl_create_cram_md5_message(struct SessionHandle *data,
- const char *chlg64,
+ const char *chlg,
const char *user,
const char *passwdp,
char **outptr, size_t *outlen);
/* This is used to generate a base64 encoded DIGEST-MD5 response message */
CURLcode Curl_sasl_create_digest_md5_message(struct SessionHandle *data,
const char *chlg64,
- const char *user,
+ const char *userp,
const char *passwdp,
const char *service,
char **outptr, size_t *outlen);
+
+/* This is used to decode a HTTP DIGEST challenge message */
+CURLcode Curl_sasl_decode_digest_http_message(const char *chlg,
+ struct digestdata *digest);
+
+/* This is used to generate a HTTP DIGEST response message */
+CURLcode Curl_sasl_create_digest_http_message(struct SessionHandle *data,
+ const char *userp,
+ const char *passwdp,
+ const unsigned char *request,
+ const unsigned char *uri,
+ struct digestdata *digest,
+ char **outptr, size_t *outlen);
+
+/* This is used to clean up the digest specific data */
+void Curl_sasl_digest_cleanup(struct digestdata *digest);
#endif
#ifdef USE_NTLM
char **outptr,
size_t *outlen);
-/* This is used to decode an incoming NTLM type-2 message and generate a
- base64 encoded type-3 response */
+/* This is used to decode a base64 encoded NTLM type-2 message */
+CURLcode Curl_sasl_decode_ntlm_type2_message(struct SessionHandle *data,
+ const char *type2msg,
+ struct ntlmdata *ntlm);
+
+/* This is used to generate a base64 encoded NTLM type-3 message */
CURLcode Curl_sasl_create_ntlm_type3_message(struct SessionHandle *data,
- const char *header,
const char *userp,
const char *passwdp,
struct ntlmdata *ntlm,
char **outptr, size_t *outlen);
+/* This is used to clean up the ntlm specific data */
+void Curl_sasl_ntlm_cleanup(struct ntlmdata *ntlm);
+
#endif /* USE_NTLM */
+#if defined(USE_KERBEROS5)
+/* This is used to generate a base64 encoded GSSAPI (Kerberos V5) user token
+ message */
+CURLcode Curl_sasl_create_gssapi_user_message(struct SessionHandle *data,
+ const char *userp,
+ const char *passwdp,
+ const char *service,
+ const bool mutual,
+ const char *chlg64,
+ struct kerberos5data *krb5,
+ char **outptr, size_t *outlen);
+
+/* This is used to generate a base64 encoded GSSAPI (Kerberos V5) security
+ token message */
+CURLcode Curl_sasl_create_gssapi_security_message(struct SessionHandle *data,
+ const char *input,
+ struct kerberos5data *krb5,
+ char **outptr,
+ size_t *outlen);
+
+/* This is used to clean up the gssapi specific data */
+void Curl_sasl_gssapi_cleanup(struct kerberos5data *krb5);
+#endif /* USE_KERBEROS5 */
+
+/* This is used to generate a base64 encoded XOAUTH2 authentication message
+ containing the user name and bearer token */
+CURLcode Curl_sasl_create_xoauth2_message(struct SessionHandle *data,
+ const char *user,
+ const char *bearer,
+ char **outptr, size_t *outlen);
+
/* This is used to cleanup any libraries or curl modules used by the sasl
functions */
void Curl_sasl_cleanup(struct connectdata *conn, unsigned int authused);
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