Commit 018b9d42 authored by Steve Holme's avatar Steve Holme
Browse files

sasl_gssapi: Introduced GSS-API based SASL module

Added the initial version of curl_sasl_gssapi.c and updated the project
files in preparation for adding GSS-API based Kerberos V5 support.
parent f9b71321
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+3 −3
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@@ -252,9 +252,9 @@ Library

 Kerberos

 The kerberos support is mainly in lib/krb5.c and lib/security.c but also
 curl_sasl_sspi.c for the email protocols and socks_gssapi.c & socks_sspi.c for
 SOCKS5 proxy specifics.
 Kerberos support is mainly in lib/krb5.c and lib/security.c but also
 curl_sasl_sspi.c and curl_sasl_gssapi.c for the email protocols and
 socks_gssapi.c & socks_sspi.c for SOCKS5 proxy specifics.

 TELNET

+1 −1
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@@ -45,7 +45,7 @@ LIB_CFILES = file.c timeval.c base64.c hostip.c progress.c formdata.c \
  asyn-thread.c curl_gssapi.c curl_ntlm.c curl_ntlm_wb.c		\
  curl_ntlm_core.c curl_ntlm_msgs.c curl_sasl.c curl_multibyte.c	\
  hostcheck.c bundles.c conncache.c pipeline.c dotdot.c x509asn1.c	\
  http2.c curl_sasl_sspi.c smb.c
  http2.c curl_sasl_sspi.c smb.c curl_sasl_gssapi.c

LIB_HFILES = arpa_telnet.h netrc.h file.h timeval.h hostip.h progress.h	\
  formdata.h cookie.h http.h sendf.h ftp.h url.h dict.h if2ip.h		\
+1 −0
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@@ -546,6 +546,7 @@ X_OBJS= \
	$(DIROBJ)\curl_ntlm_wb.obj \
	$(DIROBJ)\curl_rtmp.obj \
	$(DIROBJ)\curl_sasl.obj \
	$(DIROBJ)\curl_sasl_gssapi.obj \
	$(DIROBJ)\curl_sasl_sspi.obj \
	$(DIROBJ)\curl_schannel.obj \
	$(DIROBJ)\curl_sspi.obj \

lib/curl_sasl_gssapi.c

0 → 100644
+119 −0
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/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 2014, Steve Holme, <steve_holme@hotmail.com>.
 *
 * 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.
 *
 * RFC4752 The Kerberos V5 ("GSSAPI") SASL Mechanism
 *
 ***************************************************************************/

#include "curl_setup.h"

#if defined(HAVE_GSSAPI) && defined(USE_KRB5)

#include <curl/curl.h>

#include "curl_sasl.h"
#include "urldata.h"

/* The last #include file should be: */
#include "memdebug.h"

/*
 * Curl_sasl_create_gssapi_user_message()
 *
 * This is used to generate an already encoded GSSAPI (Kerberos V5) user token
 * message ready for sending to the recipient.
 *
 * Parameters:
 *
 * data        [in]     - The session handle.
 * userp       [in]     - The user name.
 * passdwp     [in]     - The user's password.
 * service     [in]     - The service type such as www, smtp, pop or imap.
 * mutual_auth [in]     - Flag specifing whether or not mutual authentication
 *                        is enabled.
 * chlg64      [in]     - Pointer to the optional base64 encoded challenge
 *                        message.
 * krb5        [in/out] - The gssapi data struct being used and modified.
 * 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_gssapi_user_message(struct SessionHandle *data,
                                              const char *userp,
                                              const char *passwdp,
                                              const char *service,
                                              const bool mutual_auth,
                                              const char *chlg64,
                                              struct kerberos5data *krb5,
                                              char **outptr, size_t *outlen)
{
  (void) data;
  (void) userp;
  (void) passwdp;
  (void) service;
  (void) mutual_auth;
  (void) chlg64;
  (void) krb5;
  (void) outptr;
  (void) outlen;

  return CURLE_NOT_BUILT_IN;
}

/*
 * Curl_sasl_create_gssapi_security_message()
 *
 * This is used to generate an already encoded GSSAPI (Kerberos V5) security
 * token message ready for sending to the recipient.
 *
 * Parameters:
 *
 * data    [in]     - The session handle.
 * chlg64  [in]     - Pointer to the optional base64 encoded challenge message.
 * krb5    [in/out] - The gssapi data struct being used and modified.
 * 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_gssapi_security_message(struct SessionHandle *data,
                                                  const char *chlg64,
                                                  struct kerberos5data *krb5,
                                                  char **outptr,
                                                  size_t *outlen)
{
  (void) data;
  (void) chlg64;
  (void) krb5;
  (void) outptr;
  (void) outlen;

  return CURLE_NOT_BUILT_IN;
}

void Curl_sasl_gssapi_cleanup(struct kerberos5data *krb5)
{
  (void) krb5;
}

#endif /* HAVE_GSSAPI && USE_KRB5 */
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@@ -39,7 +39,8 @@ SOURCE \
  http_proxy.c non-ascii.c asyn-ares.c asyn-thread.c curl_gssapi.c     \
  curl_ntlm.c curl_ntlm_wb.c curl_ntlm_core.c curl_ntlm_msgs.c         \
  curl_sasl.c vtls/curl_schannel.c curl_multibyte.c                    \
  vtls/curl_darwinssl.c bundles.c conncache.c curl_sasl_sspi.c smb.c
  vtls/curl_darwinssl.c bundles.c conncache.c curl_sasl_sspi.c smb.c   \
  curl_sasl_gssapi.c

USERINCLUDE   ../../../lib ../../../include/curl
#ifdef ENABLE_SSL