6 * Copyright (C) 2010-2013 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
36 #include "sipe-common.h"
38 #include "sipe-backend.h"
39 #include "sipe-utils.h"
41 #include "sip-sec-mech.h"
43 /* SSPI is only supported on Windows platform */
44 #if defined(_WIN32) && defined(HAVE_SSPI)
45 #include "sip-sec-sspi.h"
46 #define SIP_SEC_WINDOWS_SSPI 1
48 #define SIP_SEC_WINDOWS_SSPI 0
51 /* SIPE_AUTHENTICATION_TYPE_NTLM */
52 #if SIP_SEC_WINDOWS_SSPI
53 #define sip_sec_create_context__NTLM sip_sec_create_context__sspi
54 #define sip_sec_password__NTLM sip_sec_password__sspi
56 #include "sip-sec-ntlm.h"
57 #define sip_sec_create_context__NTLM sip_sec_create_context__ntlm
58 #define sip_sec_password__NTLM sip_sec_password__ntlm
61 /* SIPE_AUTHENTICATION_TYPE_KERBEROS */
62 #if SIP_SEC_WINDOWS_SSPI
63 #define sip_sec_create_context__Kerberos sip_sec_create_context__sspi
64 #define sip_sec_password__Kerberos sip_sec_password__sspi
65 #elif defined(HAVE_LIBKRB5)
66 #include "sip-sec-krb5.h"
67 #define sip_sec_create_context__Kerberos sip_sec_create_context__krb5
68 #define sip_sec_password__Kerberos sip_sec_password__krb5
70 #define sip_sec_create_context__Kerberos sip_sec_create_context__NONE
71 #define sip_sec_password__Kerberos sip_sec_password__NONE
74 /* SIPE_AUTHENTICATION_TYPE_NEGOTIATE */
75 #if SIP_SEC_WINDOWS_SSPI
76 #define sip_sec_create_context__Negotiate sip_sec_create_context__sspi
77 #elif defined(HAVE_LIBKRB5)
78 #include "sip-sec-negotiate.h"
79 #define sip_sec_create_context__Negotiate sip_sec_create_context__negotiate
81 #define sip_sec_create_context__Negotiate sip_sec_create_context__NONE
83 /* Negotiate is only used for HTTP, not for SIP */
84 #define sip_sec_password__Negotiate sip_sec_password__NONE
86 /* SIPE_AUTHENTICATION_TYPE_TLS_DSK */
87 #include "sip-sec-tls-dsk.h"
88 #define sip_sec_create_context__TLS_DSK sip_sec_create_context__tls_dsk
89 #define sip_sec_password__TLS_DSK sip_sec_password__tls_dsk
91 /* Dummy initialization hook */
93 sip_sec_create_context__NONE(SIPE_UNUSED_PARAMETER guint type
)
98 /* Dummy SIP password hook */
99 static gboolean
sip_sec_password__NONE(void)
104 /* sip_sec API methods */
106 sip_sec_create_context(guint type
,
110 const gchar
*username
,
111 const gchar
*password
)
113 SipSecContext context
= NULL
;
115 /* Map authentication type to module initialization hook & name */
116 static sip_sec_create_context_func
const auth_to_hook
[] = {
117 sip_sec_create_context__NONE
, /* SIPE_AUTHENTICATION_TYPE_UNSET */
118 sip_sec_create_context__NTLM
, /* SIPE_AUTHENTICATION_TYPE_NTLM */
119 sip_sec_create_context__Kerberos
, /* SIPE_AUTHENTICATION_TYPE_KERBEROS */
120 sip_sec_create_context__Negotiate
, /* SIPE_AUTHENTICATION_TYPE_NEGOTIATE */
121 sip_sec_create_context__TLS_DSK
, /* SIPE_AUTHENTICATION_TYPE_TLS_DSK */
124 SIPE_DEBUG_INFO("sip_sec_create_context: type: %d, Single Sign-On: %s, protocol: %s",
125 type
, sso
? "yes" : "no", http
? "HTTP" : "SIP");
127 context
= (*(auth_to_hook
[type
]))(type
);
130 /* NOTE: mechanism must set private flags acquire_cred_func()! */
133 /* set common flags */
135 context
->flags
|= SIP_SEC_FLAG_COMMON_SSO
;
137 context
->flags
|= SIP_SEC_FLAG_COMMON_HTTP
;
139 if (!(*context
->acquire_cred_func
)(context
, domain
, username
, password
)) {
140 SIPE_DEBUG_INFO_NOFORMAT("ERROR: sip_sec_create_context: failed to acquire credentials.");
141 (*context
->destroy_context_func
)(context
);
150 sip_sec_init_context_step(SipSecContext context
,
152 const gchar
*input_toked_base64
,
153 gchar
**output_toked_base64
,
156 gboolean ret
= FALSE
;
159 SipSecBuffer in_buff
= {0, NULL
};
160 SipSecBuffer out_buff
= {0, NULL
};
162 /* Not NULL for NTLM Type 2 or TLS-DSK */
163 if (input_toked_base64
)
164 in_buff
.value
= g_base64_decode(input_toked_base64
, &in_buff
.length
);
166 ret
= (*context
->init_context_func
)(context
, in_buff
, &out_buff
, target
);
168 if (input_toked_base64
)
169 g_free(in_buff
.value
);
173 if (out_buff
.value
) {
174 if (out_buff
.length
> 0) {
175 *output_toked_base64
= g_base64_encode(out_buff
.value
, out_buff
.length
);
177 /* special string: caller takes ownership */
178 *output_toked_base64
= (gchar
*) out_buff
.value
;
179 out_buff
.value
= NULL
;
183 g_free(out_buff
.value
);
187 *expires
= context
->expires
;
194 gboolean
sip_sec_context_is_ready(SipSecContext context
)
196 return(context
&& (context
->flags
& SIP_SEC_FLAG_COMMON_READY
));
200 sip_sec_destroy_context(SipSecContext context
)
202 if (context
) (*context
->destroy_context_func
)(context
);
205 gchar
*sip_sec_make_signature(SipSecContext context
, const gchar
*message
)
207 SipSecBuffer signature
;
208 gchar
*signature_hex
;
210 if (!(*context
->make_signature_func
)(context
, message
, &signature
)) {
211 SIPE_DEBUG_INFO_NOFORMAT("ERROR: sip_sec_make_signature failed. Unable to sign message!");
214 signature_hex
= buff_to_hex_str(signature
.value
, signature
.length
);
215 g_free(signature
.value
);
216 return signature_hex
;
219 gboolean
sip_sec_verify_signature(SipSecContext context
,
220 const gchar
*message
,
221 const gchar
*signature_hex
)
223 SipSecBuffer signature
;
226 SIPE_DEBUG_INFO("sip_sec_verify_signature: message is:%s signature to verify is:%s",
227 message
? message
: "", signature_hex
? signature_hex
: "");
229 if (!message
|| !signature_hex
)
232 signature
.length
= hex_str_to_buff(signature_hex
, &signature
.value
);
233 res
= (*context
->verify_signature_func
)(context
, message
, signature
);
234 g_free(signature
.value
);
238 /* Does authentication type require a password? */
239 gboolean
sip_sec_requires_password(guint authentication
,
242 /* Map authentication type to module initialization hook & name */
243 static sip_sec_password_func
const auth_to_hook
[] = {
244 sip_sec_password__NONE
, /* SIPE_AUTHENTICATION_TYPE_UNSET */
245 sip_sec_password__NTLM
, /* SIPE_AUTHENTICATION_TYPE_NTLM */
246 sip_sec_password__Kerberos
, /* SIPE_AUTHENTICATION_TYPE_KERBEROS */
247 sip_sec_password__Negotiate
, /* SIPE_AUTHENTICATION_TYPE_NEGOTIATE */
248 sip_sec_password__TLS_DSK
, /* SIPE_AUTHENTICATION_TYPE_TLS_DSK */
251 /* If Single-Sign On is disabled then a password is required */
255 /* Check if authentation method supports Single-Sign On */
256 return((*(auth_to_hook
[authentication
]))());
259 /* Initialize & Destroy */
260 void sip_sec_init(void)
263 sip_sec_init__ntlm();
267 void sip_sec_destroy(void)
270 sip_sec_destroy__ntlm();