6 * Copyright (C) 2011 SIPE Project <http://sipe.sourceforge.net/>
7 * Copyright (C) 2009 pier11 <pier11@operamail.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 /* This should not affect Makefile.mingw builds, as it doesn't use config.h */
30 #ifndef SECURITY_WIN32
31 #define SECURITY_WIN32 1
39 #include "sip-sec-mech.h"
40 #include "sip-sec-sspi.h"
41 #include "sipe-backend.h"
44 #define SSPI_MECH_NTLM "NTLM"
45 #define SSPI_MECH_KERBEROS "Kerberos"
46 #define SSPI_MECH_NEGOTIATE "Negotiate"
47 #define SSPI_MECH_TLS_DSK "TLS-DSK" /* educated guess :-) */
49 #ifndef ISC_REQ_IDENTIFY
50 #define ISC_REQ_IDENTIFY 0x00002000
53 typedef struct _context_sspi
{
54 struct sip_sec_context common
;
55 CredHandle
* cred_sspi
;
57 /** Kerberos or NTLM */
62 sip_sec_get_interval_from_now_sec(TimeStamp timestamp
);
65 sip_sec_sspi_print_error(const char *func
,
68 /** internal method */
70 sip_sec_destroy_sspi_context(context_sspi context
)
72 if (context
->ctx_sspi
)
73 DeleteSecurityContext(context
->ctx_sspi
);
74 if (context
->cred_sspi
)
75 FreeCredentialsHandle(context
->cred_sspi
);
78 /* sip-sec-mech.h API implementation for SSPI - Kerberos and NTLM */
81 sip_sec_acquire_cred__sspi(SipSecContext context
,
88 SEC_WINNT_AUTH_IDENTITY auth_identity
;
89 context_sspi ctx
= (context_sspi
)context
;
90 CredHandle
*cred_handle
;
94 return SIP_SEC_E_INTERNAL_ERROR
;
97 memset(&auth_identity
, 0, sizeof(auth_identity
));
98 auth_identity
.Flags
= SEC_WINNT_AUTH_IDENTITY_ANSI
;
100 if ( domain
&& (strlen(domain
) > 0) ) {
101 auth_identity
.Domain
= (unsigned char*)domain
;
102 auth_identity
.DomainLength
= strlen(domain
);
105 auth_identity
.User
= (unsigned char*)username
;
106 auth_identity
.UserLength
= strlen(username
);
108 auth_identity
.Password
= (unsigned char*)password
;
109 auth_identity
.PasswordLength
= strlen(password
);
112 cred_handle
= g_malloc0(sizeof(CredHandle
));
114 ret
= AcquireCredentialsHandle( NULL
,
115 (SEC_CHAR
*)ctx
->mech
,
116 SECPKG_CRED_OUTBOUND
,
118 (context
->sso
|| !username
) ? NULL
: &auth_identity
,
125 if (ret
!= SEC_E_OK
) {
126 sip_sec_sspi_print_error("sip_sec_acquire_cred__sspi: AcquireCredentialsHandle", ret
);
127 ctx
->cred_sspi
= NULL
;
128 return SIP_SEC_E_INTERNAL_ERROR
;
130 ctx
->cred_sspi
= cred_handle
;
136 sip_sec_init_sec_context__sspi(SipSecContext context
,
137 SipSecBuffer in_buff
,
138 SipSecBuffer
*out_buff
,
139 const char *service_name
)
142 SecBufferDesc input_desc
, output_desc
;
143 SecBuffer in_token
, out_token
;
147 context_sspi ctx
= (context_sspi
)context
;
148 CtxtHandle
* out_context
= g_malloc0(sizeof(CtxtHandle
));
150 SIPE_DEBUG_INFO_NOFORMAT("sip_sec_init_sec_context__sspi: in use");
152 input_desc
.cBuffers
= 1;
153 input_desc
.pBuffers
= &in_token
;
154 input_desc
.ulVersion
= SECBUFFER_VERSION
;
157 in_token
.BufferType
= SECBUFFER_TOKEN
;
158 in_token
.cbBuffer
= in_buff
.length
;
159 in_token
.pvBuffer
= in_buff
.value
;
161 output_desc
.cBuffers
= 1;
162 output_desc
.pBuffers
= &out_token
;
163 output_desc
.ulVersion
= SECBUFFER_VERSION
;
165 /* to hold output token */
166 out_token
.BufferType
= SECBUFFER_TOKEN
;
167 out_token
.cbBuffer
= 0;
168 out_token
.pvBuffer
= NULL
;
170 req_flags
= (ISC_REQ_ALLOCATE_MEMORY
|
174 if (ctx
->mech
&& !strcmp(ctx
->mech
, SSPI_MECH_NTLM
) &&
175 !context
->is_connection_based
)
177 req_flags
|= (ISC_REQ_DATAGRAM
);
180 ret
= InitializeSecurityContext(ctx
->cred_sspi
,
182 (SEC_CHAR
*)service_name
,
185 SECURITY_NATIVE_DREP
,
194 if (ret
!= SEC_E_OK
&& ret
!= SEC_I_CONTINUE_NEEDED
) {
195 sip_sec_destroy_sspi_context(ctx
);
196 sip_sec_sspi_print_error("sip_sec_init_sec_context__sspi: InitializeSecurityContext", ret
);
197 return SIP_SEC_E_INTERNAL_ERROR
;
200 out_buff
->length
= out_token
.cbBuffer
;
201 out_buff
->value
= NULL
;
202 if (out_token
.cbBuffer
) {
203 out_buff
->value
= g_malloc0(out_token
.cbBuffer
);
204 memmove(out_buff
->value
, out_token
.pvBuffer
, out_token
.cbBuffer
);
205 FreeContextBuffer(out_token
.pvBuffer
);
208 ctx
->ctx_sspi
= out_context
;
209 if (ctx
->mech
&& !strcmp(ctx
->mech
, SSPI_MECH_KERBEROS
)) {
210 context
->expires
= sip_sec_get_interval_from_now_sec(expiry
);
213 if (ret
== SEC_I_CONTINUE_NEEDED
) {
214 return SIP_SEC_I_CONTINUE_NEEDED
;
221 sip_sec_destroy_sec_context__sspi(SipSecContext context
)
223 sip_sec_destroy_sspi_context((context_sspi
)context
);
228 * @param message a NULL terminated string to sign
232 sip_sec_make_signature__sspi(SipSecContext context
,
234 SipSecBuffer
*signature
)
236 SecBufferDesc buffs_desc
;
239 SecPkgContext_Sizes context_sizes
;
240 unsigned char *signature_buff
;
241 size_t signature_buff_length
;
242 context_sspi ctx
= (context_sspi
) context
;
244 ret
= QueryContextAttributes(ctx
->ctx_sspi
,
248 if (ret
!= SEC_E_OK
) {
249 sip_sec_sspi_print_error("sip_sec_make_signature__sspi: QueryContextAttributes", ret
);
250 return SIP_SEC_E_INTERNAL_ERROR
;
253 signature_buff_length
= context_sizes
.cbMaxSignature
;
254 signature_buff
= g_malloc0(signature_buff_length
);
256 buffs_desc
.cBuffers
= 2;
257 buffs_desc
.pBuffers
= buffs
;
258 buffs_desc
.ulVersion
= SECBUFFER_VERSION
;
260 /* message to sign */
261 buffs
[0].BufferType
= SECBUFFER_DATA
;
262 buffs
[0].cbBuffer
= strlen(message
);
263 buffs
[0].pvBuffer
= (PVOID
)message
;
265 /* to hold signature */
266 buffs
[1].BufferType
= SECBUFFER_TOKEN
;
267 buffs
[1].cbBuffer
= signature_buff_length
;
268 buffs
[1].pvBuffer
= signature_buff
;
270 ret
= MakeSignature(ctx
->ctx_sspi
,
274 if (ret
!= SEC_E_OK
) {
275 sip_sec_sspi_print_error("sip_sec_make_signature__sspi: MakeSignature", ret
);
276 g_free(signature_buff
);
277 return SIP_SEC_E_INTERNAL_ERROR
;
280 signature
->value
= signature_buff
;
281 signature
->length
= buffs
[1].cbBuffer
;
287 * @param message a NULL terminated string to check signature of
288 * @return SIP_SEC_E_OK on success
291 sip_sec_verify_signature__sspi(SipSecContext context
,
293 SipSecBuffer signature
)
295 SecBufferDesc buffs_desc
;
299 buffs_desc
.cBuffers
= 2;
300 buffs_desc
.pBuffers
= buffs
;
301 buffs_desc
.ulVersion
= SECBUFFER_VERSION
;
303 /* message to sign */
304 buffs
[0].BufferType
= SECBUFFER_DATA
;
305 buffs
[0].cbBuffer
= strlen(message
);
306 buffs
[0].pvBuffer
= (PVOID
)message
;
308 /* signature to check */
309 buffs
[1].BufferType
= SECBUFFER_TOKEN
;
310 buffs
[1].cbBuffer
= signature
.length
;
311 buffs
[1].pvBuffer
= signature
.value
;
313 ret
= VerifySignature(((context_sspi
)context
)->ctx_sspi
,
318 if (ret
!= SEC_E_OK
) {
319 sip_sec_sspi_print_error("sip_sec_verify_signature__sspi: VerifySignature", ret
);
320 return SIP_SEC_E_INTERNAL_ERROR
;
327 sip_sec_create_context__sspi(guint type
)
329 context_sspi context
= g_malloc0(sizeof(struct _context_sspi
));
330 if (!context
) return(NULL
);
332 context
->common
.acquire_cred_func
= sip_sec_acquire_cred__sspi
;
333 context
->common
.init_context_func
= sip_sec_init_sec_context__sspi
;
334 context
->common
.destroy_context_func
= sip_sec_destroy_sec_context__sspi
;
335 context
->common
.make_signature_func
= sip_sec_make_signature__sspi
;
336 context
->common
.verify_signature_func
= sip_sec_verify_signature__sspi
;
337 context
->mech
= (type
== AUTH_TYPE_NTLM
) ? SSPI_MECH_NTLM
:
338 ((type
== AUTH_TYPE_KERBEROS
) ? SSPI_MECH_KERBEROS
:
339 ((type
== AUTH_TYPE_NEGOTIATE
) ? SSPI_MECH_NEGOTIATE
: SSPI_MECH_TLS_DSK
));
341 return((SipSecContext
) context
);
344 /* Utility Functions */
347 * Returns interval in seconds from now till provided value
350 sip_sec_get_interval_from_now_sec(TimeStamp timestamp
)
354 ULARGE_INTEGER uliNow
, uliTo
;
356 GetLocalTime(&stNow
);
357 SystemTimeToFileTime(&stNow
, &ftNow
);
359 uliNow
.LowPart
= ftNow
.dwLowDateTime
;
360 uliNow
.HighPart
= ftNow
.dwHighDateTime
;
362 uliTo
.LowPart
= timestamp
.LowPart
;
363 uliTo
.HighPart
= timestamp
.HighPart
;
365 return (int)((uliTo
.QuadPart
- uliNow
.QuadPart
)/10/1000/1000);
369 sip_sec_sspi_print_error(const char *func
,
376 buff_length
= FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM
|
377 FORMAT_MESSAGE_ALLOCATE_BUFFER
|
378 FORMAT_MESSAGE_IGNORE_INSERTS
,
385 error_message
= g_strndup(buff
, buff_length
);
388 printf("SSPI ERROR [%d] in %s: %s", (int)ret
, func
, error_message
);
389 g_free(error_message
);