mirror of
https://github.com/moparisthebest/curl
synced 2024-12-21 23:58:49 -05:00
vauth: Moved the Negotiate authentication code to the new vauth directory
Part 1 of 2 - Moved the SSPI based Negotiate authentication code.
This commit is contained in:
parent
65f972b2e8
commit
ad5e9bfd5d
@ -22,7 +22,9 @@
|
|||||||
|
|
||||||
LIB_VAUTH_CFILES = vauth/vauth.c vauth/cleartext.c vauth/cram.c \
|
LIB_VAUTH_CFILES = vauth/vauth.c vauth/cleartext.c vauth/cram.c \
|
||||||
vauth/digest.c vauth/digest_sspi.c vauth/krb5_gssapi.c \
|
vauth/digest.c vauth/digest_sspi.c vauth/krb5_gssapi.c \
|
||||||
vauth/krb5_sspi.c vauth/ntlm.c vauth/ntlm_sspi.c vauth/oauth2.c
|
vauth/krb5_sspi.c vauth/ntlm.c vauth/ntlm_sspi.c vauth/oauth2.c \
|
||||||
|
vauth/spnego_sspi.c
|
||||||
|
|
||||||
|
|
||||||
LIB_VAUTH_HFILES = vauth/vauth.h vauth/digest.h vauth/ntlm.h
|
LIB_VAUTH_HFILES = vauth/vauth.h vauth/digest.h vauth/ntlm.h
|
||||||
|
|
||||||
|
@ -627,6 +627,7 @@ X_OBJS= \
|
|||||||
$(DIROBJ)\ntlm.obj \
|
$(DIROBJ)\ntlm.obj \
|
||||||
$(DIROBJ)\ntlm_sspi.obj \
|
$(DIROBJ)\ntlm_sspi.obj \
|
||||||
$(DIROBJ)\oauth2.obj \
|
$(DIROBJ)\oauth2.obj \
|
||||||
|
$(DIROBJ)\spnego_sspi.obj \
|
||||||
$(DIROBJ)\vtls.obj \
|
$(DIROBJ)\vtls.obj \
|
||||||
$(DIROBJ)\openssl.obj \
|
$(DIROBJ)\openssl.obj \
|
||||||
$(DIROBJ)\strdup.obj \
|
$(DIROBJ)\strdup.obj \
|
||||||
|
@ -54,6 +54,7 @@
|
|||||||
#include "curl_base64.h"
|
#include "curl_base64.h"
|
||||||
#include "cookie.h"
|
#include "cookie.h"
|
||||||
#include "strequal.h"
|
#include "strequal.h"
|
||||||
|
#include "vauth/vauth.h"
|
||||||
#include "vtls/vtls.h"
|
#include "vtls/vtls.h"
|
||||||
#include "http_digest.h"
|
#include "http_digest.h"
|
||||||
#include "curl_ntlm.h"
|
#include "curl_ntlm.h"
|
||||||
|
@ -33,10 +33,6 @@ CURLcode Curl_output_negotiate(struct connectdata *conn, bool proxy);
|
|||||||
|
|
||||||
void Curl_cleanup_negotiate(struct SessionHandle *data);
|
void Curl_cleanup_negotiate(struct SessionHandle *data);
|
||||||
|
|
||||||
#ifdef USE_WINDOWS_SSPI
|
|
||||||
#define GSS_ERROR(status) (status & 0x80000000)
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#endif /* USE_SPNEGO */
|
#endif /* USE_SPNEGO */
|
||||||
|
|
||||||
#endif /* HEADER_CURL_HTTP_NEGOTIATE_H */
|
#endif /* HEADER_CURL_HTTP_NEGOTIATE_H */
|
||||||
|
@ -29,11 +29,8 @@
|
|||||||
#include "urldata.h"
|
#include "urldata.h"
|
||||||
#include "sendf.h"
|
#include "sendf.h"
|
||||||
#include "rawstr.h"
|
#include "rawstr.h"
|
||||||
#include "warnless.h"
|
|
||||||
#include "curl_base64.h"
|
|
||||||
#include "vauth/vauth.h"
|
#include "vauth/vauth.h"
|
||||||
#include "http_negotiate.h"
|
#include "http_negotiate.h"
|
||||||
#include "curl_multibyte.h"
|
|
||||||
#include "curl_printf.h"
|
#include "curl_printf.h"
|
||||||
|
|
||||||
/* The last #include files should be: */
|
/* The last #include files should be: */
|
||||||
@ -44,20 +41,13 @@ CURLcode Curl_input_negotiate(struct connectdata *conn, bool proxy,
|
|||||||
const char *header)
|
const char *header)
|
||||||
{
|
{
|
||||||
struct SessionHandle *data = conn->data;
|
struct SessionHandle *data = conn->data;
|
||||||
BYTE *input_token = NULL;
|
size_t len;
|
||||||
SecBufferDesc out_buff_desc;
|
|
||||||
SecBuffer out_sec_buff;
|
|
||||||
SecBufferDesc in_buff_desc;
|
|
||||||
SecBuffer in_sec_buff;
|
|
||||||
SECURITY_STATUS status;
|
|
||||||
unsigned long attrs;
|
|
||||||
TimeStamp expiry; /* For Windows 9x compatibility of SSPI calls */
|
|
||||||
size_t len = 0, input_token_len = 0;
|
|
||||||
CURLcode result;
|
|
||||||
|
|
||||||
/* Point to the username and password */
|
/* Point to the username, password, service and host */
|
||||||
const char *userp;
|
const char *userp;
|
||||||
const char *passwdp;
|
const char *passwdp;
|
||||||
|
const char *service;
|
||||||
|
const char *host;
|
||||||
|
|
||||||
/* Point to the correct struct with this */
|
/* Point to the correct struct with this */
|
||||||
struct negotiatedata *neg_ctx;
|
struct negotiatedata *neg_ctx;
|
||||||
@ -65,11 +55,15 @@ CURLcode Curl_input_negotiate(struct connectdata *conn, bool proxy,
|
|||||||
if(proxy) {
|
if(proxy) {
|
||||||
userp = conn->proxyuser;
|
userp = conn->proxyuser;
|
||||||
passwdp = conn->proxypasswd;
|
passwdp = conn->proxypasswd;
|
||||||
|
service = data->set.str[STRING_PROXY_SERVICE_NAME];
|
||||||
|
host = conn->host.name;
|
||||||
neg_ctx = &data->state.proxyneg;
|
neg_ctx = &data->state.proxyneg;
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
userp = conn->user;
|
userp = conn->user;
|
||||||
passwdp = conn->passwd;
|
passwdp = conn->passwd;
|
||||||
|
service = data->set.str[STRING_SERVICE_NAME];
|
||||||
|
host = conn->proxy.name;
|
||||||
neg_ctx = &data->state.negotiate;
|
neg_ctx = &data->state.negotiate;
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -80,43 +74,6 @@ CURLcode Curl_input_negotiate(struct connectdata *conn, bool proxy,
|
|||||||
if(!passwdp)
|
if(!passwdp)
|
||||||
passwdp = "";
|
passwdp = "";
|
||||||
|
|
||||||
if(neg_ctx->context && neg_ctx->status == SEC_E_OK) {
|
|
||||||
/* We finished successfully our part of authentication, but server
|
|
||||||
* rejected it (since we're again here). Exit with an error since we
|
|
||||||
* can't invent anything better */
|
|
||||||
Curl_cleanup_negotiate(data);
|
|
||||||
return CURLE_LOGIN_DENIED;
|
|
||||||
}
|
|
||||||
|
|
||||||
if(!neg_ctx->server_name) {
|
|
||||||
/* Check proxy auth requested but no given proxy name */
|
|
||||||
if(proxy && !conn->proxy.name)
|
|
||||||
return CURLE_BAD_FUNCTION_ARGUMENT;
|
|
||||||
|
|
||||||
/* Generate our SPN */
|
|
||||||
neg_ctx->server_name = Curl_auth_build_spn(
|
|
||||||
proxy ? data->set.str[STRING_PROXY_SERVICE_NAME] :
|
|
||||||
data->set.str[STRING_SERVICE_NAME],
|
|
||||||
proxy ? conn->proxy.name : conn->host.name);
|
|
||||||
if(!neg_ctx->server_name)
|
|
||||||
return CURLE_OUT_OF_MEMORY;
|
|
||||||
}
|
|
||||||
|
|
||||||
if(!neg_ctx->output_token) {
|
|
||||||
PSecPkgInfo SecurityPackage;
|
|
||||||
status = s_pSecFn->QuerySecurityPackageInfo((TCHAR *)
|
|
||||||
TEXT(SP_NAME_NEGOTIATE),
|
|
||||||
&SecurityPackage);
|
|
||||||
if(status != SEC_E_OK)
|
|
||||||
return CURLE_NOT_BUILT_IN;
|
|
||||||
|
|
||||||
/* Allocate input and output buffers according to the max token size
|
|
||||||
as indicated by the security package */
|
|
||||||
neg_ctx->token_max = SecurityPackage->cbMaxToken;
|
|
||||||
neg_ctx->output_token = malloc(neg_ctx->token_max);
|
|
||||||
s_pSecFn->FreeContextBuffer(SecurityPackage);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Obtain the input token, if any */
|
/* Obtain the input token, if any */
|
||||||
header += strlen("Negotiate");
|
header += strlen("Negotiate");
|
||||||
while(*header && ISSPACE(*header))
|
while(*header && ISSPACE(*header))
|
||||||
@ -130,124 +87,28 @@ CURLcode Curl_input_negotiate(struct connectdata *conn, bool proxy,
|
|||||||
negotiation mechanisms */
|
negotiation mechanisms */
|
||||||
return CURLE_LOGIN_DENIED;
|
return CURLE_LOGIN_DENIED;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* We have to acquire credentials and allocate memory for the context */
|
|
||||||
neg_ctx->credentials = malloc(sizeof(CredHandle));
|
|
||||||
neg_ctx->context = malloc(sizeof(CtxtHandle));
|
|
||||||
|
|
||||||
if(!neg_ctx->credentials || !neg_ctx->context)
|
|
||||||
return CURLE_OUT_OF_MEMORY;
|
|
||||||
|
|
||||||
if(userp && *userp) {
|
|
||||||
/* Populate our identity structure */
|
|
||||||
result = Curl_create_sspi_identity(userp, passwdp, &neg_ctx->identity);
|
|
||||||
if(result)
|
|
||||||
return result;
|
|
||||||
|
|
||||||
/* Allow proper cleanup of the identity structure */
|
|
||||||
neg_ctx->p_identity = &neg_ctx->identity;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
/* Use the current Windows user */
|
|
||||||
neg_ctx->p_identity = NULL;
|
|
||||||
|
|
||||||
/* Acquire our credientials handle */
|
|
||||||
neg_ctx->status =
|
|
||||||
s_pSecFn->AcquireCredentialsHandle(NULL,
|
|
||||||
(TCHAR *) TEXT(SP_NAME_NEGOTIATE),
|
|
||||||
SECPKG_CRED_OUTBOUND, NULL,
|
|
||||||
neg_ctx->p_identity, NULL, NULL,
|
|
||||||
neg_ctx->credentials, &expiry);
|
|
||||||
if(neg_ctx->status != SEC_E_OK)
|
|
||||||
return CURLE_LOGIN_DENIED;
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
result = Curl_base64_decode(header,
|
|
||||||
(unsigned char **)&input_token,
|
|
||||||
&input_token_len);
|
|
||||||
if(result)
|
|
||||||
return result;
|
|
||||||
|
|
||||||
if(!input_token_len) {
|
|
||||||
infof(data,
|
|
||||||
"Negotiate handshake failure (empty challenge message)\n");
|
|
||||||
|
|
||||||
return CURLE_BAD_CONTENT_ENCODING;
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Setup the "output" security buffer */
|
/* Initilise the security context and decode our challenge */
|
||||||
out_buff_desc.ulVersion = SECBUFFER_VERSION;
|
return Curl_auth_decode_spnego_message(data, userp, passwdp, service, host,
|
||||||
out_buff_desc.cBuffers = 1;
|
header, neg_ctx);
|
||||||
out_buff_desc.pBuffers = &out_sec_buff;
|
|
||||||
out_sec_buff.BufferType = SECBUFFER_TOKEN;
|
|
||||||
out_sec_buff.pvBuffer = neg_ctx->output_token;
|
|
||||||
out_sec_buff.cbBuffer = curlx_uztoul(neg_ctx->token_max);
|
|
||||||
|
|
||||||
/* Setup the "input" security buffer if present */
|
|
||||||
if(input_token) {
|
|
||||||
in_buff_desc.ulVersion = SECBUFFER_VERSION;
|
|
||||||
in_buff_desc.cBuffers = 1;
|
|
||||||
in_buff_desc.pBuffers = &in_sec_buff;
|
|
||||||
in_sec_buff.BufferType = SECBUFFER_TOKEN;
|
|
||||||
in_sec_buff.pvBuffer = input_token;
|
|
||||||
in_sec_buff.cbBuffer = curlx_uztoul(input_token_len);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Generate our message */
|
|
||||||
neg_ctx->status = s_pSecFn->InitializeSecurityContext(
|
|
||||||
neg_ctx->credentials,
|
|
||||||
input_token ? neg_ctx->context : NULL,
|
|
||||||
neg_ctx->server_name,
|
|
||||||
ISC_REQ_CONFIDENTIALITY,
|
|
||||||
0,
|
|
||||||
SECURITY_NATIVE_DREP,
|
|
||||||
input_token ? &in_buff_desc : NULL,
|
|
||||||
0,
|
|
||||||
neg_ctx->context,
|
|
||||||
&out_buff_desc,
|
|
||||||
&attrs,
|
|
||||||
&expiry);
|
|
||||||
|
|
||||||
free(input_token);
|
|
||||||
|
|
||||||
if(GSS_ERROR(neg_ctx->status))
|
|
||||||
return CURLE_OUT_OF_MEMORY;
|
|
||||||
|
|
||||||
if(neg_ctx->status == SEC_I_COMPLETE_NEEDED ||
|
|
||||||
neg_ctx->status == SEC_I_COMPLETE_AND_CONTINUE) {
|
|
||||||
neg_ctx->status = s_pSecFn->CompleteAuthToken(neg_ctx->context,
|
|
||||||
&out_buff_desc);
|
|
||||||
if(GSS_ERROR(neg_ctx->status))
|
|
||||||
return CURLE_RECV_ERROR;
|
|
||||||
}
|
|
||||||
|
|
||||||
neg_ctx->output_token_length = out_sec_buff.cbBuffer;
|
|
||||||
|
|
||||||
return CURLE_OK;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
CURLcode Curl_output_negotiate(struct connectdata *conn, bool proxy)
|
CURLcode Curl_output_negotiate(struct connectdata *conn, bool proxy)
|
||||||
{
|
{
|
||||||
struct negotiatedata *neg_ctx = proxy?&conn->data->state.proxyneg:
|
struct negotiatedata *neg_ctx = proxy?&conn->data->state.proxyneg:
|
||||||
&conn->data->state.negotiate;
|
&conn->data->state.negotiate;
|
||||||
char *encoded = NULL;
|
char *base64 = NULL;
|
||||||
size_t len = 0;
|
size_t len = 0;
|
||||||
char *userp;
|
char *userp;
|
||||||
CURLcode result;
|
CURLcode result;
|
||||||
|
|
||||||
result = Curl_base64_encode(conn->data,
|
result = Curl_auth_create_spnego_message(conn->data, neg_ctx, &base64, &len);
|
||||||
(const char*)neg_ctx->output_token,
|
|
||||||
neg_ctx->output_token_length,
|
|
||||||
&encoded, &len);
|
|
||||||
if(result)
|
if(result)
|
||||||
return result;
|
return result;
|
||||||
|
|
||||||
if(!len)
|
|
||||||
return CURLE_REMOTE_ACCESS_DENIED;
|
|
||||||
|
|
||||||
userp = aprintf("%sAuthorization: Negotiate %s\r\n", proxy ? "Proxy-" : "",
|
userp = aprintf("%sAuthorization: Negotiate %s\r\n", proxy ? "Proxy-" : "",
|
||||||
encoded);
|
base64);
|
||||||
|
|
||||||
if(proxy) {
|
if(proxy) {
|
||||||
Curl_safefree(conn->allocptr.proxyuserpwd);
|
Curl_safefree(conn->allocptr.proxyuserpwd);
|
||||||
@ -258,43 +119,15 @@ CURLcode Curl_output_negotiate(struct connectdata *conn, bool proxy)
|
|||||||
conn->allocptr.userpwd = userp;
|
conn->allocptr.userpwd = userp;
|
||||||
}
|
}
|
||||||
|
|
||||||
free(encoded);
|
free(base64);
|
||||||
|
|
||||||
return (userp == NULL) ? CURLE_OUT_OF_MEMORY : CURLE_OK;
|
return (userp == NULL) ? CURLE_OUT_OF_MEMORY : CURLE_OK;
|
||||||
}
|
}
|
||||||
|
|
||||||
static void cleanup(struct negotiatedata *neg_ctx)
|
|
||||||
{
|
|
||||||
/* Free our security context */
|
|
||||||
if(neg_ctx->context) {
|
|
||||||
s_pSecFn->DeleteSecurityContext(neg_ctx->context);
|
|
||||||
free(neg_ctx->context);
|
|
||||||
neg_ctx->context = NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Free our credentials handle */
|
|
||||||
if(neg_ctx->credentials) {
|
|
||||||
s_pSecFn->FreeCredentialsHandle(neg_ctx->credentials);
|
|
||||||
free(neg_ctx->credentials);
|
|
||||||
neg_ctx->credentials = NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Free our identity */
|
|
||||||
Curl_sspi_free_identity(neg_ctx->p_identity);
|
|
||||||
neg_ctx->p_identity = NULL;
|
|
||||||
|
|
||||||
/* Free the SPN and output token */
|
|
||||||
Curl_safefree(neg_ctx->server_name);
|
|
||||||
Curl_safefree(neg_ctx->output_token);
|
|
||||||
|
|
||||||
/* Reset any variables */
|
|
||||||
neg_ctx->token_max = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
void Curl_cleanup_negotiate(struct SessionHandle *data)
|
void Curl_cleanup_negotiate(struct SessionHandle *data)
|
||||||
{
|
{
|
||||||
cleanup(&data->state.negotiate);
|
Curl_auth_spnego_cleanup(&data->state.negotiate);
|
||||||
cleanup(&data->state.proxyneg);
|
Curl_auth_spnego_cleanup(&data->state.proxyneg);
|
||||||
}
|
}
|
||||||
|
|
||||||
#endif /* !CURL_DISABLE_HTTP && USE_SPNEGO */
|
#endif /* !CURL_DISABLE_HTTP && USE_SPNEGO */
|
||||||
|
297
lib/vauth/spnego_sspi.c
Normal file
297
lib/vauth/spnego_sspi.c
Normal file
@ -0,0 +1,297 @@
|
|||||||
|
/***************************************************************************
|
||||||
|
* _ _ ____ _
|
||||||
|
* Project ___| | | | _ \| |
|
||||||
|
* / __| | | | |_) | |
|
||||||
|
* | (__| |_| | _ <| |___
|
||||||
|
* \___|\___/|_| \_\_____|
|
||||||
|
*
|
||||||
|
* Copyright (C) 1998 - 2016, 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.
|
||||||
|
*
|
||||||
|
* RFC4178 Simple and Protected GSS-API Negotiation Mechanism
|
||||||
|
*
|
||||||
|
***************************************************************************/
|
||||||
|
|
||||||
|
#include "curl_setup.h"
|
||||||
|
|
||||||
|
#if defined(USE_WINDOWS_SSPI) && defined(USE_SPNEGO)
|
||||||
|
|
||||||
|
#include <curl/curl.h>
|
||||||
|
|
||||||
|
#include "vauth/vauth.h"
|
||||||
|
#include "urldata.h"
|
||||||
|
#include "curl_base64.h"
|
||||||
|
#include "warnless.h"
|
||||||
|
#include "curl_multibyte.h"
|
||||||
|
#include "sendf.h"
|
||||||
|
|
||||||
|
/* The last #include files should be: */
|
||||||
|
#include "curl_memory.h"
|
||||||
|
#include "memdebug.h"
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Curl_auth_decode_spnego_message()
|
||||||
|
*
|
||||||
|
* This is used to decode an already encoded SPNEGO (Negotiate) challenge
|
||||||
|
* message.
|
||||||
|
*
|
||||||
|
* Parameters:
|
||||||
|
*
|
||||||
|
* data [in] - The session handle.
|
||||||
|
* userp [in] - The user name in the format User or Domain\User.
|
||||||
|
* passdwp [in] - The user's password.
|
||||||
|
* service [in] - The service type such as www, smtp, pop or imap.
|
||||||
|
* hostname [in] - The host name.
|
||||||
|
* chlg64 [in] - The optional base64 encoded challenge message.
|
||||||
|
* nego [in/out] - The Negotiate data struct being used and modified.
|
||||||
|
*
|
||||||
|
* Returns CURLE_OK on success.
|
||||||
|
*/
|
||||||
|
CURLcode Curl_auth_decode_spnego_message(struct SessionHandle *data,
|
||||||
|
const char *user,
|
||||||
|
const char *password,
|
||||||
|
const char *service,
|
||||||
|
const char *host,
|
||||||
|
const char *chlg64,
|
||||||
|
struct negotiatedata *nego)
|
||||||
|
{
|
||||||
|
CURLcode result = CURLE_OK;
|
||||||
|
size_t chlglen = 0;
|
||||||
|
unsigned char *chlg = NULL;
|
||||||
|
PSecPkgInfo SecurityPackage;
|
||||||
|
SecBuffer chlg_buf;
|
||||||
|
SecBuffer resp_buf;
|
||||||
|
SecBufferDesc chlg_desc;
|
||||||
|
SecBufferDesc resp_desc;
|
||||||
|
unsigned long attrs;
|
||||||
|
TimeStamp expiry; /* For Windows 9x compatibility of SSPI calls */
|
||||||
|
|
||||||
|
#if defined(CURL_DISABLE_VERBOSE_STRINGS)
|
||||||
|
(void) data;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
if(nego->context && nego->status == SEC_E_OK) {
|
||||||
|
/* We finished successfully our part of authentication, but server
|
||||||
|
* rejected it (since we're again here). Exit with an error since we
|
||||||
|
* can't invent anything better */
|
||||||
|
Curl_auth_spnego_cleanup(nego);
|
||||||
|
return CURLE_LOGIN_DENIED;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Generate our SPN */
|
||||||
|
if(!nego->server_name) {
|
||||||
|
nego->server_name = Curl_auth_build_spn(service, host);
|
||||||
|
if(!nego->server_name)
|
||||||
|
return CURLE_OUT_OF_MEMORY;
|
||||||
|
}
|
||||||
|
|
||||||
|
if(!nego->output_token) {
|
||||||
|
/* Query the security package for Negotiate */
|
||||||
|
nego->status = s_pSecFn->QuerySecurityPackageInfo((TCHAR *)
|
||||||
|
TEXT(SP_NAME_NEGOTIATE),
|
||||||
|
&SecurityPackage);
|
||||||
|
if(nego->status != SEC_E_OK)
|
||||||
|
return CURLE_NOT_BUILT_IN;
|
||||||
|
|
||||||
|
nego->token_max = SecurityPackage->cbMaxToken;
|
||||||
|
|
||||||
|
/* Release the package buffer as it is not required anymore */
|
||||||
|
s_pSecFn->FreeContextBuffer(SecurityPackage);
|
||||||
|
|
||||||
|
/* Allocate our output buffer */
|
||||||
|
nego->output_token = malloc(nego->token_max);
|
||||||
|
if(!nego->output_token)
|
||||||
|
return CURLE_OUT_OF_MEMORY;
|
||||||
|
}
|
||||||
|
|
||||||
|
if(!nego->credentials) {
|
||||||
|
if(user && *user) {
|
||||||
|
/* Populate our identity structure */
|
||||||
|
result = Curl_create_sspi_identity(user, password, &nego->identity);
|
||||||
|
if(result)
|
||||||
|
return result;
|
||||||
|
|
||||||
|
/* Allow proper cleanup of the identity structure */
|
||||||
|
nego->p_identity = &nego->identity;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
/* Use the current Windows user */
|
||||||
|
nego->p_identity = NULL;
|
||||||
|
|
||||||
|
/* Allocate our credentials handle */
|
||||||
|
nego->credentials = malloc(sizeof(CredHandle));
|
||||||
|
if(!nego->credentials)
|
||||||
|
return CURLE_OUT_OF_MEMORY;
|
||||||
|
|
||||||
|
memset(nego->credentials, 0, sizeof(CredHandle));
|
||||||
|
|
||||||
|
/* Acquire our credentials handle */
|
||||||
|
nego->status =
|
||||||
|
s_pSecFn->AcquireCredentialsHandle(NULL,
|
||||||
|
(TCHAR *)TEXT(SP_NAME_NEGOTIATE),
|
||||||
|
SECPKG_CRED_OUTBOUND, NULL,
|
||||||
|
nego->p_identity, NULL, NULL,
|
||||||
|
nego->credentials, &expiry);
|
||||||
|
if(nego->status != SEC_E_OK)
|
||||||
|
return CURLE_LOGIN_DENIED;
|
||||||
|
|
||||||
|
/* Allocate our new context handle */
|
||||||
|
nego->context = malloc(sizeof(CtxtHandle));
|
||||||
|
if(!nego->context)
|
||||||
|
return CURLE_OUT_OF_MEMORY;
|
||||||
|
|
||||||
|
memset(nego->context, 0, sizeof(CtxtHandle));
|
||||||
|
}
|
||||||
|
|
||||||
|
if(chlg64 && strlen(chlg64)) {
|
||||||
|
/* Decode the base-64 encoded challenge message */
|
||||||
|
if(*chlg64 != '=') {
|
||||||
|
result = Curl_base64_decode(chlg64, &chlg, &chlglen);
|
||||||
|
if(result)
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Ensure we have a valid challenge message */
|
||||||
|
if(!chlg) {
|
||||||
|
infof(data, "SPNEGO handshake failure (empty challenge message)\n");
|
||||||
|
|
||||||
|
return CURLE_BAD_CONTENT_ENCODING;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Setup the challenge "input" security buffer */
|
||||||
|
chlg_desc.ulVersion = SECBUFFER_VERSION;
|
||||||
|
chlg_desc.cBuffers = 1;
|
||||||
|
chlg_desc.pBuffers = &chlg_buf;
|
||||||
|
chlg_buf.BufferType = SECBUFFER_TOKEN;
|
||||||
|
chlg_buf.pvBuffer = chlg;
|
||||||
|
chlg_buf.cbBuffer = curlx_uztoul(chlglen);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Setup the response "output" security buffer */
|
||||||
|
resp_desc.ulVersion = SECBUFFER_VERSION;
|
||||||
|
resp_desc.cBuffers = 1;
|
||||||
|
resp_desc.pBuffers = &resp_buf;
|
||||||
|
resp_buf.BufferType = SECBUFFER_TOKEN;
|
||||||
|
resp_buf.pvBuffer = nego->output_token;
|
||||||
|
resp_buf.cbBuffer = curlx_uztoul(nego->token_max);
|
||||||
|
|
||||||
|
/* Generate our challenge-response message */
|
||||||
|
nego->status = s_pSecFn->InitializeSecurityContext(nego->credentials,
|
||||||
|
chlg ? nego->context :
|
||||||
|
NULL,
|
||||||
|
nego->server_name,
|
||||||
|
ISC_REQ_CONFIDENTIALITY,
|
||||||
|
0, SECURITY_NATIVE_DREP,
|
||||||
|
chlg ? &chlg_desc : NULL,
|
||||||
|
0, nego->context,
|
||||||
|
&resp_desc, &attrs,
|
||||||
|
&expiry);
|
||||||
|
|
||||||
|
if(GSS_ERROR(nego->status)) {
|
||||||
|
free(chlg);
|
||||||
|
return CURLE_OUT_OF_MEMORY;
|
||||||
|
}
|
||||||
|
|
||||||
|
if(nego->status == SEC_I_COMPLETE_NEEDED ||
|
||||||
|
nego->status == SEC_I_COMPLETE_AND_CONTINUE) {
|
||||||
|
nego->status = s_pSecFn->CompleteAuthToken(nego->context, &resp_desc);
|
||||||
|
if(GSS_ERROR(nego->status)) {
|
||||||
|
free(chlg);
|
||||||
|
return CURLE_RECV_ERROR;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
nego->output_token_length = resp_buf.cbBuffer;
|
||||||
|
|
||||||
|
/* Free the decoded challenge */
|
||||||
|
free(chlg);
|
||||||
|
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Curl_auth_create_spnego_message()
|
||||||
|
*
|
||||||
|
* This is used to generate an already encoded SPNEGO (Negotiate) response
|
||||||
|
* message ready for sending to the recipient.
|
||||||
|
*
|
||||||
|
* Parameters:
|
||||||
|
*
|
||||||
|
* data [in] - The session handle.
|
||||||
|
* nego [in/out] - The Negotiate 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_auth_create_spnego_message(struct SessionHandle *data,
|
||||||
|
struct negotiatedata *nego,
|
||||||
|
char **outptr, size_t *outlen)
|
||||||
|
{
|
||||||
|
CURLcode result;
|
||||||
|
|
||||||
|
/* Base64 encode the already generated response */
|
||||||
|
result = Curl_base64_encode(data,
|
||||||
|
(const char*) nego->output_token,
|
||||||
|
nego->output_token_length,
|
||||||
|
outptr, outlen);
|
||||||
|
|
||||||
|
if(result)
|
||||||
|
return result;
|
||||||
|
|
||||||
|
if(!*outptr || !*outlen)
|
||||||
|
return CURLE_REMOTE_ACCESS_DENIED;
|
||||||
|
|
||||||
|
return CURLE_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Curl_auth_spnego_cleanup()
|
||||||
|
*
|
||||||
|
* This is used to clean up the SPNEGO (Negotiate) specific data.
|
||||||
|
*
|
||||||
|
* Parameters:
|
||||||
|
*
|
||||||
|
* nego [in/out] - The Negotiate data struct being cleaned up.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
void Curl_auth_spnego_cleanup(struct negotiatedata* nego)
|
||||||
|
{
|
||||||
|
/* Free our security context */
|
||||||
|
if(nego->context) {
|
||||||
|
s_pSecFn->DeleteSecurityContext(nego->context);
|
||||||
|
free(nego->context);
|
||||||
|
nego->context = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Free our credentials handle */
|
||||||
|
if(nego->credentials) {
|
||||||
|
s_pSecFn->FreeCredentialsHandle(nego->credentials);
|
||||||
|
free(nego->credentials);
|
||||||
|
nego->credentials = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Free our identity */
|
||||||
|
Curl_sspi_free_identity(nego->p_identity);
|
||||||
|
nego->p_identity = NULL;
|
||||||
|
|
||||||
|
/* Free the SPN and output token */
|
||||||
|
Curl_safefree(nego->server_name);
|
||||||
|
Curl_safefree(nego->output_token);
|
||||||
|
|
||||||
|
/* Reset any variables */
|
||||||
|
nego->token_max = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* USE_WINDOWS_SSPI && USE_SPNEGO */
|
@ -38,6 +38,14 @@ struct ntlmdata;
|
|||||||
struct kerberos5data;
|
struct kerberos5data;
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
#if defined(USE_WINDOWS_SSPI) && defined(USE_SPNEGO)
|
||||||
|
struct negotiatedata;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#if defined(USE_WINDOWS_SSPI)
|
||||||
|
#define GSS_ERROR(status) (status & 0x80000000)
|
||||||
|
#endif
|
||||||
|
|
||||||
/* This is used to build a SPN string */
|
/* This is used to build a SPN string */
|
||||||
#if !defined(USE_WINDOWS_SSPI)
|
#if !defined(USE_WINDOWS_SSPI)
|
||||||
char *Curl_auth_build_spn(const char *service, const char *instance);
|
char *Curl_auth_build_spn(const char *service, const char *instance);
|
||||||
@ -157,4 +165,26 @@ CURLcode Curl_auth_create_gssapi_security_message(struct SessionHandle *data,
|
|||||||
void Curl_auth_gssapi_cleanup(struct kerberos5data *krb5);
|
void Curl_auth_gssapi_cleanup(struct kerberos5data *krb5);
|
||||||
#endif /* USE_KERBEROS5 */
|
#endif /* USE_KERBEROS5 */
|
||||||
|
|
||||||
|
#if defined(USE_WINDOWS_SSPI) && defined(USE_SPNEGO)
|
||||||
|
/* This is used to decode a base64 encoded SPNEGO (Negotiate) challenge
|
||||||
|
message */
|
||||||
|
CURLcode Curl_auth_decode_spnego_message(struct SessionHandle *data,
|
||||||
|
const char *user,
|
||||||
|
const char *passwood,
|
||||||
|
const char *service,
|
||||||
|
const char *host,
|
||||||
|
const char *chlg64,
|
||||||
|
struct negotiatedata *nego);
|
||||||
|
|
||||||
|
/* This is used to generate a base64 encoded SPNEGO (Negotiate) response
|
||||||
|
message */
|
||||||
|
CURLcode Curl_auth_create_spnego_message(struct SessionHandle *data,
|
||||||
|
struct negotiatedata *nego,
|
||||||
|
char **outptr, size_t *outlen);
|
||||||
|
|
||||||
|
/* This is used to clean up the SPNEGO specifiec data */
|
||||||
|
void Curl_auth_spnego_cleanup(struct negotiatedata* nego);
|
||||||
|
|
||||||
|
#endif /* USE_WINDOWS_SSPI && USE_SPNEGO */
|
||||||
|
|
||||||
#endif /* HEADER_CURL_VAUTH_H */
|
#endif /* HEADER_CURL_VAUTH_H */
|
||||||
|
@ -42,7 +42,7 @@ SOURCE \
|
|||||||
curl_sasl_sspi.c smb.c curl_endian.c curl_des.c \
|
curl_sasl_sspi.c smb.c curl_endian.c curl_des.c \
|
||||||
vauth/vauth.c vauth/cleartext.c vauth/cram.c vauth/digest.c \
|
vauth/vauth.c vauth/cleartext.c vauth/cram.c vauth/digest.c \
|
||||||
vauth/digest_sspi.c vauth/krb5_gssapi.c vauth/krb5_sspi.c \
|
vauth/digest_sspi.c vauth/krb5_gssapi.c vauth/krb5_sspi.c \
|
||||||
vauth/ntlm.c vauth/ntlm_sspi.c vauth/oauth2.c
|
vauth/ntlm.c vauth/ntlm_sspi.c vauth/oauth2.c vauth/spnego_sspi.c
|
||||||
|
|
||||||
USERINCLUDE ../../../lib ../../../include/curl
|
USERINCLUDE ../../../lib ../../../include/curl
|
||||||
#ifdef ENABLE_SSL
|
#ifdef ENABLE_SSL
|
||||||
|
Loading…
Reference in New Issue
Block a user