1 /* ssl/kssl.c -*- mode: C; c-file-style: "eay" -*- */
2 /* Written by Vern Staats <staatsvr@asc.hpc.mil> for the OpenSSL project 2000.
4 /* ====================================================================
5 * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
19 * 3. All advertising materials mentioning features or use of this
20 * software must display the following acknowledgment:
21 * "This product includes software developed by the OpenSSL Project
22 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
25 * endorse or promote products derived from this software without
26 * prior written permission. For written permission, please contact
27 * licensing@OpenSSL.org.
29 * 5. Products derived from this software may not be called "OpenSSL"
30 * nor may "OpenSSL" appear in their names without prior written
31 * permission of the OpenSSL Project.
33 * 6. Redistributions of any form whatsoever must retain the following
35 * "This product includes software developed by the OpenSSL Project
36 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
39 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
41 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
42 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
43 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
44 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
45 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
46 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
47 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
48 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
49 * OF THE POSSIBILITY OF SUCH DAMAGE.
50 * ====================================================================
52 * This product includes cryptographic software written by Eric Young
53 * (eay@cryptsoft.com). This product includes software written by Tim
54 * Hudson (tjh@cryptsoft.com).
59 /* ssl/kssl.c -- Routines to support (& debug) Kerberos5 auth for openssl
61 ** 19990701 VRS Started.
62 ** 200011?? Jeffrey Altman, Richard Levitte
63 ** Generalized for Heimdal, Newer MIT, & Win32.
64 ** Integrated into main OpenSSL 0.9.7 snapshots.
65 ** 20010413 Simon Wilkinson, VRS
66 ** Real RFC2712 KerberosWrapper replaces AP_REQ.
69 #include <openssl/opensslconf.h>
71 #define _XOPEN_SOURCE /* glibc2 needs this to declare strptime() */
75 #include <openssl/ssl.h>
76 #include <openssl/evp.h>
77 #include <openssl/objects.h>
78 #include <openssl/krb5_asn.h>
80 #ifndef OPENSSL_NO_KRB5
83 * When OpenSSL is built on Windows, we do not want to require that
84 * the Kerberos DLLs be available in order for the OpenSSL DLLs to
85 * work. Therefore, all Kerberos routines are loaded at run time
86 * and we do not link to a .LIB file.
89 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32)
91 * The purpose of the following pre-processor statements is to provide
92 * compatibility with different releases of MIT Kerberos for Windows.
93 * All versions up to 1.2 used macros. But macros do not allow for
94 * a binary compatible interface for DLLs. Therefore, all macros are
95 * being replaced by function calls. The following code will allow
96 * an OpenSSL DLL built on Windows to work whether or not the macro
97 * or function form of the routines are utilized.
99 #ifdef krb5_cc_get_principal
100 #define NO_DEF_KRB5_CCACHE
101 #undef krb5_cc_get_principal
103 #define krb5_cc_get_principal kssl_krb5_cc_get_principal
105 #define krb5_free_data_contents kssl_krb5_free_data_contents
106 #define krb5_free_context kssl_krb5_free_context
107 #define krb5_auth_con_free kssl_krb5_auth_con_free
108 #define krb5_free_principal kssl_krb5_free_principal
109 #define krb5_mk_req_extended kssl_krb5_mk_req_extended
110 #define krb5_get_credentials kssl_krb5_get_credentials
111 #define krb5_cc_default kssl_krb5_cc_default
112 #define krb5_sname_to_principal kssl_krb5_sname_to_principal
113 #define krb5_init_context kssl_krb5_init_context
114 #define krb5_free_ticket kssl_krb5_free_ticket
115 #define krb5_rd_req kssl_krb5_rd_req
116 #define krb5_kt_default kssl_krb5_kt_default
117 #define krb5_kt_resolve kssl_krb5_kt_resolve
118 /* macros in mit 1.2.2 and earlier; functions in mit 1.2.3 and greater */
119 #ifndef krb5_kt_close
120 #define krb5_kt_close kssl_krb5_kt_close
121 #endif /* krb5_kt_close */
122 #ifndef krb5_kt_get_entry
123 #define krb5_kt_get_entry kssl_krb5_kt_get_entry
124 #endif /* krb5_kt_get_entry */
125 #define krb5_auth_con_init kssl_krb5_auth_con_init
127 #define krb5_principal_compare kssl_krb5_principal_compare
128 #define krb5_decrypt_tkt_part kssl_krb5_decrypt_tkt_part
129 #define krb5_timeofday kssl_krb5_timeofday
130 #define krb5_rc_default kssl_krb5_rc_default
132 #ifdef krb5_rc_initialize
133 #undef krb5_rc_initialize
135 #define krb5_rc_initialize kssl_krb5_rc_initialize
137 #ifdef krb5_rc_get_lifespan
138 #undef krb5_rc_get_lifespan
140 #define krb5_rc_get_lifespan kssl_krb5_rc_get_lifespan
142 #ifdef krb5_rc_destroy
143 #undef krb5_rc_destroy
145 #define krb5_rc_destroy kssl_krb5_rc_destroy
147 #define valid_cksumtype kssl_valid_cksumtype
148 #define krb5_checksum_size kssl_krb5_checksum_size
149 #define krb5_kt_free_entry kssl_krb5_kt_free_entry
150 #define krb5_auth_con_setrcache kssl_krb5_auth_con_setrcache
151 #define krb5_auth_con_getrcache kssl_krb5_auth_con_getrcache
152 #define krb5_get_server_rcache kssl_krb5_get_server_rcache
154 /* Prototypes for built in stubs */
155 void kssl_krb5_free_data_contents(krb5_context, krb5_data *);
156 void kssl_krb5_free_principal(krb5_context, krb5_principal );
157 krb5_error_code kssl_krb5_kt_resolve(krb5_context,
160 krb5_error_code kssl_krb5_kt_default(krb5_context,
162 krb5_error_code kssl_krb5_free_ticket(krb5_context, krb5_ticket *);
163 krb5_error_code kssl_krb5_rd_req(krb5_context, krb5_auth_context *,
164 krb5_const krb5_data *,
165 krb5_const_principal, krb5_keytab,
166 krb5_flags *,krb5_ticket **);
168 krb5_boolean kssl_krb5_principal_compare(krb5_context, krb5_const_principal,
169 krb5_const_principal);
170 krb5_error_code kssl_krb5_mk_req_extended(krb5_context,
172 krb5_const krb5_flags,
176 krb5_error_code kssl_krb5_init_context(krb5_context *);
177 void kssl_krb5_free_context(krb5_context);
178 krb5_error_code kssl_krb5_cc_default(krb5_context,krb5_ccache *);
179 krb5_error_code kssl_krb5_sname_to_principal(krb5_context,
184 krb5_error_code kssl_krb5_get_credentials(krb5_context,
185 krb5_const krb5_flags,
189 krb5_error_code kssl_krb5_auth_con_init(krb5_context,
190 krb5_auth_context *);
191 krb5_error_code kssl_krb5_cc_get_principal(krb5_context context,
193 krb5_principal *principal);
194 krb5_error_code kssl_krb5_auth_con_free(krb5_context,krb5_auth_context);
195 size_t kssl_krb5_checksum_size(krb5_context context,krb5_cksumtype ctype);
196 krb5_boolean kssl_valid_cksumtype(krb5_cksumtype ctype);
197 krb5_error_code krb5_kt_free_entry(krb5_context,krb5_keytab_entry FAR * );
198 krb5_error_code kssl_krb5_auth_con_setrcache(krb5_context,
201 krb5_error_code kssl_krb5_get_server_rcache(krb5_context,
202 krb5_const krb5_data *,
204 krb5_error_code kssl_krb5_auth_con_getrcache(krb5_context,
208 /* Function pointers (almost all Kerberos functions are _stdcall) */
209 static void (_stdcall *p_krb5_free_data_contents)(krb5_context, krb5_data *)
211 static void (_stdcall *p_krb5_free_principal)(krb5_context, krb5_principal )
213 static krb5_error_code(_stdcall *p_krb5_kt_resolve)
214 (krb5_context, krb5_const char *, krb5_keytab *)=NULL;
215 static krb5_error_code (_stdcall *p_krb5_kt_default)(krb5_context,
217 static krb5_error_code (_stdcall *p_krb5_free_ticket)(krb5_context,
219 static krb5_error_code (_stdcall *p_krb5_rd_req)(krb5_context,
221 krb5_const krb5_data *,
222 krb5_const_principal,
223 krb5_keytab, krb5_flags *,
224 krb5_ticket **)=NULL;
225 static krb5_error_code (_stdcall *p_krb5_mk_req_extended)
226 (krb5_context, krb5_auth_context *,
227 krb5_const krb5_flags, krb5_data *, krb5_creds *,
229 static krb5_error_code (_stdcall *p_krb5_init_context)(krb5_context *)=NULL;
230 static void (_stdcall *p_krb5_free_context)(krb5_context)=NULL;
231 static krb5_error_code (_stdcall *p_krb5_cc_default)(krb5_context,
233 static krb5_error_code (_stdcall *p_krb5_sname_to_principal)
234 (krb5_context, krb5_const char *, krb5_const char *,
235 krb5_int32, krb5_principal *)=NULL;
236 static krb5_error_code (_stdcall *p_krb5_get_credentials)
237 (krb5_context, krb5_const krb5_flags, krb5_ccache,
238 krb5_creds *, krb5_creds **)=NULL;
239 static krb5_error_code (_stdcall *p_krb5_auth_con_init)
240 (krb5_context, krb5_auth_context *)=NULL;
241 static krb5_error_code (_stdcall *p_krb5_cc_get_principal)
242 (krb5_context context, krb5_ccache cache,
243 krb5_principal *principal)=NULL;
244 static krb5_error_code (_stdcall *p_krb5_auth_con_free)
245 (krb5_context, krb5_auth_context)=NULL;
246 static krb5_error_code (_stdcall *p_krb5_decrypt_tkt_part)
247 (krb5_context, krb5_const krb5_keyblock *,
249 static krb5_error_code (_stdcall *p_krb5_timeofday)
250 (krb5_context context, krb5_int32 *timeret)=NULL;
251 static krb5_error_code (_stdcall *p_krb5_rc_default)
252 (krb5_context context, krb5_rcache *rc)=NULL;
253 static krb5_error_code (_stdcall *p_krb5_rc_initialize)
254 (krb5_context context, krb5_rcache rc,
255 krb5_deltat lifespan)=NULL;
256 static krb5_error_code (_stdcall *p_krb5_rc_get_lifespan)
257 (krb5_context context, krb5_rcache rc,
258 krb5_deltat *lifespan)=NULL;
259 static krb5_error_code (_stdcall *p_krb5_rc_destroy)
260 (krb5_context context, krb5_rcache rc)=NULL;
261 static krb5_boolean (_stdcall *p_krb5_principal_compare)
262 (krb5_context, krb5_const_principal, krb5_const_principal)=NULL;
263 static size_t (_stdcall *p_krb5_checksum_size)(krb5_context context,krb5_cksumtype ctype)=NULL;
264 static krb5_boolean (_stdcall *p_valid_cksumtype)(krb5_cksumtype ctype)=NULL;
265 static krb5_error_code (_stdcall *p_krb5_kt_free_entry)
266 (krb5_context,krb5_keytab_entry * )=NULL;
267 static krb5_error_code (_stdcall * p_krb5_auth_con_setrcache)(krb5_context,
270 static krb5_error_code (_stdcall * p_krb5_get_server_rcache)(krb5_context,
271 krb5_const krb5_data *,
273 static krb5_error_code (* p_krb5_auth_con_getrcache)(krb5_context,
276 static krb5_error_code (_stdcall * p_krb5_kt_close)(krb5_context context,
277 krb5_keytab keytab)=NULL;
278 static krb5_error_code (_stdcall * p_krb5_kt_get_entry)(krb5_context context,
280 krb5_const_principal principal, krb5_kvno vno,
281 krb5_enctype enctype, krb5_keytab_entry *entry)=NULL;
282 static int krb5_loaded = 0; /* only attempt to initialize func ptrs once */
284 /* Function to Load the Kerberos 5 DLL and initialize function pointers */
291 hKRB5_32 = LoadLibrary("KRB5_32");
295 (FARPROC) p_krb5_free_data_contents =
296 GetProcAddress( hKRB5_32, "krb5_free_data_contents" );
297 (FARPROC) p_krb5_free_context =
298 GetProcAddress( hKRB5_32, "krb5_free_context" );
299 (FARPROC) p_krb5_auth_con_free =
300 GetProcAddress( hKRB5_32, "krb5_auth_con_free" );
301 (FARPROC) p_krb5_free_principal =
302 GetProcAddress( hKRB5_32, "krb5_free_principal" );
303 (FARPROC) p_krb5_mk_req_extended =
304 GetProcAddress( hKRB5_32, "krb5_mk_req_extended" );
305 (FARPROC) p_krb5_get_credentials =
306 GetProcAddress( hKRB5_32, "krb5_get_credentials" );
307 (FARPROC) p_krb5_cc_get_principal =
308 GetProcAddress( hKRB5_32, "krb5_cc_get_principal" );
309 (FARPROC) p_krb5_cc_default =
310 GetProcAddress( hKRB5_32, "krb5_cc_default" );
311 (FARPROC) p_krb5_sname_to_principal =
312 GetProcAddress( hKRB5_32, "krb5_sname_to_principal" );
313 (FARPROC) p_krb5_init_context =
314 GetProcAddress( hKRB5_32, "krb5_init_context" );
315 (FARPROC) p_krb5_free_ticket =
316 GetProcAddress( hKRB5_32, "krb5_free_ticket" );
317 (FARPROC) p_krb5_rd_req =
318 GetProcAddress( hKRB5_32, "krb5_rd_req" );
319 (FARPROC) p_krb5_principal_compare =
320 GetProcAddress( hKRB5_32, "krb5_principal_compare" );
321 (FARPROC) p_krb5_decrypt_tkt_part =
322 GetProcAddress( hKRB5_32, "krb5_decrypt_tkt_part" );
323 (FARPROC) p_krb5_timeofday =
324 GetProcAddress( hKRB5_32, "krb5_timeofday" );
325 (FARPROC) p_krb5_rc_default =
326 GetProcAddress( hKRB5_32, "krb5_rc_default" );
327 (FARPROC) p_krb5_rc_initialize =
328 GetProcAddress( hKRB5_32, "krb5_rc_initialize" );
329 (FARPROC) p_krb5_rc_get_lifespan =
330 GetProcAddress( hKRB5_32, "krb5_rc_get_lifespan" );
331 (FARPROC) p_krb5_rc_destroy =
332 GetProcAddress( hKRB5_32, "krb5_rc_destroy" );
333 (FARPROC) p_krb5_kt_default =
334 GetProcAddress( hKRB5_32, "krb5_kt_default" );
335 (FARPROC) p_krb5_kt_resolve =
336 GetProcAddress( hKRB5_32, "krb5_kt_resolve" );
337 (FARPROC) p_krb5_auth_con_init =
338 GetProcAddress( hKRB5_32, "krb5_auth_con_init" );
339 (FARPROC) p_valid_cksumtype =
340 GetProcAddress( hKRB5_32, "valid_cksumtype" );
341 (FARPROC) p_krb5_checksum_size =
342 GetProcAddress( hKRB5_32, "krb5_checksum_size" );
343 (FARPROC) p_krb5_kt_free_entry =
344 GetProcAddress( hKRB5_32, "krb5_kt_free_entry" );
345 (FARPROC) p_krb5_auth_con_setrcache =
346 GetProcAddress( hKRB5_32, "krb5_auth_con_setrcache" );
347 (FARPROC) p_krb5_get_server_rcache =
348 GetProcAddress( hKRB5_32, "krb5_get_server_rcache" );
349 (FARPROC) p_krb5_auth_con_getrcache =
350 GetProcAddress( hKRB5_32, "krb5_auth_con_getrcache" );
351 (FARPROC) p_krb5_kt_close =
352 GetProcAddress( hKRB5_32, "krb5_kt_close" );
353 (FARPROC) p_krb5_kt_get_entry =
354 GetProcAddress( hKRB5_32, "krb5_kt_get_entry" );
357 /* Stubs for each function to be dynamicly loaded */
359 kssl_krb5_free_data_contents(krb5_context CO, krb5_data * data)
364 if ( p_krb5_free_data_contents )
365 p_krb5_free_data_contents(CO,data);
369 kssl_krb5_mk_req_extended (krb5_context CO,
370 krb5_auth_context * pACO,
371 krb5_const krb5_flags F,
379 if ( p_krb5_mk_req_extended )
380 return(p_krb5_mk_req_extended(CO,pACO,F,pD1,pC,pD2));
382 return KRB5KRB_ERR_GENERIC;
385 kssl_krb5_auth_con_init(krb5_context CO,
386 krb5_auth_context * pACO)
391 if ( p_krb5_auth_con_init )
392 return(p_krb5_auth_con_init(CO,pACO));
394 return KRB5KRB_ERR_GENERIC;
397 kssl_krb5_auth_con_free (krb5_context CO,
398 krb5_auth_context ACO)
403 if ( p_krb5_auth_con_free )
404 return(p_krb5_auth_con_free(CO,ACO));
406 return KRB5KRB_ERR_GENERIC;
409 kssl_krb5_get_credentials(krb5_context CO,
410 krb5_const krb5_flags F,
418 if ( p_krb5_get_credentials )
419 return(p_krb5_get_credentials(CO,F,CC,pCR,ppCR));
421 return KRB5KRB_ERR_GENERIC;
424 kssl_krb5_sname_to_principal(krb5_context CO,
425 krb5_const char * pC1,
426 krb5_const char * pC2,
428 krb5_principal * pPR)
433 if ( p_krb5_sname_to_principal )
434 return(p_krb5_sname_to_principal(CO,pC1,pC2,I,pPR));
436 return KRB5KRB_ERR_GENERIC;
440 kssl_krb5_cc_default(krb5_context CO,
446 if ( p_krb5_cc_default )
447 return(p_krb5_cc_default(CO,pCC));
449 return KRB5KRB_ERR_GENERIC;
453 kssl_krb5_init_context(krb5_context * pCO)
458 if ( p_krb5_init_context )
459 return(p_krb5_init_context(pCO));
461 return KRB5KRB_ERR_GENERIC;
465 kssl_krb5_free_context(krb5_context CO)
470 if ( p_krb5_free_context )
471 p_krb5_free_context(CO);
475 kssl_krb5_free_principal(krb5_context c, krb5_principal p)
480 if ( p_krb5_free_principal )
481 p_krb5_free_principal(c,p);
485 kssl_krb5_kt_resolve(krb5_context con,
486 krb5_const char * sz,
492 if ( p_krb5_kt_resolve )
493 return(p_krb5_kt_resolve(con,sz,kt));
495 return KRB5KRB_ERR_GENERIC;
499 kssl_krb5_kt_default(krb5_context con,
505 if ( p_krb5_kt_default )
506 return(p_krb5_kt_default(con,kt));
508 return KRB5KRB_ERR_GENERIC;
512 kssl_krb5_free_ticket(krb5_context con,
518 if ( p_krb5_free_ticket )
519 return(p_krb5_free_ticket(con,kt));
521 return KRB5KRB_ERR_GENERIC;
525 kssl_krb5_rd_req(krb5_context con, krb5_auth_context * pacon,
526 krb5_const krb5_data * data,
527 krb5_const_principal princ, krb5_keytab keytab,
528 krb5_flags * flags, krb5_ticket ** pptkt)
534 return(p_krb5_rd_req(con,pacon,data,princ,keytab,flags,pptkt));
536 return KRB5KRB_ERR_GENERIC;
540 krb5_principal_compare(krb5_context con, krb5_const_principal princ1,
541 krb5_const_principal princ2)
546 if ( p_krb5_principal_compare )
547 return(p_krb5_principal_compare(con,princ1,princ2));
549 return KRB5KRB_ERR_GENERIC;
553 krb5_decrypt_tkt_part(krb5_context con, krb5_const krb5_keyblock *keys,
559 if ( p_krb5_decrypt_tkt_part )
560 return(p_krb5_decrypt_tkt_part(con,keys,ticket));
562 return KRB5KRB_ERR_GENERIC;
566 krb5_timeofday(krb5_context con, krb5_int32 *timeret)
571 if ( p_krb5_timeofday )
572 return(p_krb5_timeofday(con,timeret));
574 return KRB5KRB_ERR_GENERIC;
578 krb5_rc_default(krb5_context con, krb5_rcache *rc)
583 if ( p_krb5_rc_default )
584 return(p_krb5_rc_default(con,rc));
586 return KRB5KRB_ERR_GENERIC;
590 krb5_rc_initialize(krb5_context con, krb5_rcache rc, krb5_deltat lifespan)
595 if ( p_krb5_rc_initialize )
596 return(p_krb5_rc_initialize(con, rc, lifespan));
598 return KRB5KRB_ERR_GENERIC;
602 krb5_rc_get_lifespan(krb5_context con, krb5_rcache rc, krb5_deltat *lifespanp)
607 if ( p_krb5_rc_get_lifespan )
608 return(p_krb5_rc_get_lifespan(con, rc, lifespanp));
610 return KRB5KRB_ERR_GENERIC;
614 krb5_rc_destroy(krb5_context con, krb5_rcache rc)
619 if ( p_krb5_rc_destroy )
620 return(p_krb5_rc_destroy(con, rc));
622 return KRB5KRB_ERR_GENERIC;
626 krb5_checksum_size(krb5_context context,krb5_cksumtype ctype)
631 if ( p_krb5_checksum_size )
632 return(p_krb5_checksum_size(context, ctype));
634 return KRB5KRB_ERR_GENERIC;
638 valid_cksumtype(krb5_cksumtype ctype)
643 if ( p_valid_cksumtype )
644 return(p_valid_cksumtype(ctype));
646 return KRB5KRB_ERR_GENERIC;
650 krb5_kt_free_entry(krb5_context con,krb5_keytab_entry * entry)
655 if ( p_krb5_kt_free_entry )
656 return(p_krb5_kt_free_entry(con,entry));
658 return KRB5KRB_ERR_GENERIC;
661 /* Structure definitions */
662 #ifndef NO_DEF_KRB5_CCACHE
664 #define krb5_x(ptr,args) ((ptr)?((*(ptr)) args):(abort(),1))
665 #define krb5_xc(ptr,args) ((ptr)?((*(ptr)) args):(abort(),(char*)0))
668 typedef krb5_pointer krb5_cc_cursor; /* cursor for sequential lookup */
670 typedef struct _krb5_ccache
673 struct _krb5_cc_ops FAR *ops;
677 typedef struct _krb5_cc_ops
681 char * (KRB5_CALLCONV *get_name)
682 (krb5_context, krb5_ccache);
683 krb5_error_code (KRB5_CALLCONV *resolve)
684 (krb5_context, krb5_ccache *, const char *);
685 krb5_error_code (KRB5_CALLCONV *gen_new)
686 (krb5_context, krb5_ccache *);
687 krb5_error_code (KRB5_CALLCONV *init)
688 (krb5_context, krb5_ccache, krb5_principal);
689 krb5_error_code (KRB5_CALLCONV *destroy)
690 (krb5_context, krb5_ccache);
691 krb5_error_code (KRB5_CALLCONV *close)
692 (krb5_context, krb5_ccache);
693 krb5_error_code (KRB5_CALLCONV *store)
694 (krb5_context, krb5_ccache, krb5_creds *);
695 krb5_error_code (KRB5_CALLCONV *retrieve)
696 (krb5_context, krb5_ccache,
697 krb5_flags, krb5_creds *, krb5_creds *);
698 krb5_error_code (KRB5_CALLCONV *get_princ)
699 (krb5_context, krb5_ccache, krb5_principal *);
700 krb5_error_code (KRB5_CALLCONV *get_first)
701 (krb5_context, krb5_ccache, krb5_cc_cursor *);
702 krb5_error_code (KRB5_CALLCONV *get_next)
703 (krb5_context, krb5_ccache,
704 krb5_cc_cursor *, krb5_creds *);
705 krb5_error_code (KRB5_CALLCONV *end_get)
706 (krb5_context, krb5_ccache, krb5_cc_cursor *);
707 krb5_error_code (KRB5_CALLCONV *remove_cred)
708 (krb5_context, krb5_ccache,
709 krb5_flags, krb5_creds *);
710 krb5_error_code (KRB5_CALLCONV *set_flags)
711 (krb5_context, krb5_ccache, krb5_flags);
713 #endif /* NO_DEF_KRB5_CCACHE */
716 kssl_krb5_cc_get_principal
717 (krb5_context context, krb5_ccache cache,
718 krb5_principal *principal)
720 if ( p_krb5_cc_get_principal )
721 return(p_krb5_cc_get_principal(context,cache,principal));
724 ((cache)->ops->get_princ,(context, cache, principal)));
728 kssl_krb5_auth_con_setrcache(krb5_context con, krb5_auth_context acon,
731 if ( p_krb5_auth_con_setrcache )
732 return(p_krb5_auth_con_setrcache(con,acon,rcache));
734 return KRB5KRB_ERR_GENERIC;
738 kssl_krb5_get_server_rcache(krb5_context con, krb5_const krb5_data * data,
739 krb5_rcache * rcache)
741 if ( p_krb5_get_server_rcache )
742 return(p_krb5_get_server_rcache(con,data,rcache));
744 return KRB5KRB_ERR_GENERIC;
748 kssl_krb5_auth_con_getrcache(krb5_context con, krb5_auth_context acon,
749 krb5_rcache * prcache)
751 if ( p_krb5_auth_con_getrcache )
752 return(p_krb5_auth_con_getrcache(con,acon, prcache));
754 return KRB5KRB_ERR_GENERIC;
758 kssl_krb5_kt_close(krb5_context context, krb5_keytab keytab)
760 if ( p_krb5_kt_close )
761 return(p_krb5_kt_close(context,keytab));
763 return KRB5KRB_ERR_GENERIC;
767 kssl_krb5_kt_get_entry(krb5_context context, krb5_keytab keytab,
768 krb5_const_principal principal, krb5_kvno vno,
769 krb5_enctype enctype, krb5_keytab_entry *entry)
771 if ( p_krb5_kt_get_entry )
772 return(p_krb5_kt_get_entry(context,keytab,principal,vno,enctype,entry));
774 return KRB5KRB_ERR_GENERIC;
776 #endif /* OPENSSL_SYS_WINDOWS || OPENSSL_SYS_WIN32 */
779 *kstring(char *string)
781 static char *null = "[NULL]";
783 return ((string == NULL)? null: string);
786 /* Given KRB5 enctype (basically DES or 3DES),
787 ** return closest match openssl EVP_ encryption algorithm.
788 ** Return NULL for unknown or problematic (krb5_dk_encrypt) enctypes.
789 ** Assume ENCTYPE_*_RAW (krb5_raw_encrypt) are OK.
792 kssl_map_enc(krb5_enctype enctype)
796 case ENCTYPE_DES_HMAC_SHA1: /* EVP_des_cbc(); */
797 case ENCTYPE_DES_CBC_CRC:
798 case ENCTYPE_DES_CBC_MD4:
799 case ENCTYPE_DES_CBC_MD5:
800 case ENCTYPE_DES_CBC_RAW:
801 return EVP_des_cbc();
803 case ENCTYPE_DES3_CBC_SHA1: /* EVP_des_ede3_cbc(); */
804 case ENCTYPE_DES3_CBC_SHA:
805 case ENCTYPE_DES3_CBC_RAW:
806 return EVP_des_ede3_cbc();
808 default: return NULL;
814 /* Return true:1 if p "looks like" the start of the real authenticator
815 ** described in kssl_skip_confound() below. The ASN.1 pattern is
816 ** "62 xx 30 yy" (APPLICATION-2, SEQUENCE), where xx-yy =~ 2, and
817 ** xx and yy are possibly multi-byte length fields.
819 int kssl_test_confound(unsigned char *p)
824 if (*p++ != 0x62) return 0;
825 if (*p > 0x82) return 0;
827 case 0x82: p++; xx = (*p++ << 8); xx += *p++; break;
828 case 0x81: p++; xx = *p++; break;
830 default: xx = *p++; break;
832 if (*p++ != 0x30) return 0;
833 if (*p > 0x82) return 0;
835 case 0x82: p++; len+=2; yy = (*p++ << 8); yy += *p++; break;
836 case 0x81: p++; len++; yy = *p++; break;
838 default: yy = *p++; break;
841 return (xx - len == yy)? 1: 0;
844 /* Allocate, fill, and return cksumlens array of checksum lengths.
845 ** This array holds just the unique elements from the krb5_cksumarray[].
846 ** array[n] == 0 signals end of data.
848 ** The krb5_cksumarray[] was an internal variable that has since been
849 ** replaced by a more general method for storing the data. It should
850 ** not be used. Instead we use real API calls and make a guess for
851 ** what the highest assigned CKSUMTYPE_ constant is. As of 1.2.2
852 ** it is 0x000c (CKSUMTYPE_HMAC_SHA1_DES3). So we will use 0x0010.
854 size_t *populate_cksumlens(void)
857 static size_t *cklens = NULL;
859 #ifdef KRB5_MIT_OLD11
863 #endif /* KRB5_MIT_OLD11 */
866 if (!cklens && !(cklens = (size_t *) calloc(sizeof(int),n+1))) return NULL;
868 for (i=0; i < n; i++) {
869 if (!valid_cksumtype(i)) continue; /* array has holes */
870 for (j=0; j < n; j++) {
871 if (cklens[j] == 0) {
872 cklens[j] = krb5_checksum_size(NULL,i);
873 break; /* krb5 elem was new: add */
875 if (cklens[j] == krb5_checksum_size(NULL,i)) {
876 break; /* ignore duplicate elements */
880 #endif /* KRB5CHECKAUTH */
885 /* Return pointer to start of real authenticator within authenticator, or
886 ** return NULL on error.
887 ** Decrypted authenticator looks like this:
888 ** [0 or 8 byte confounder] [4-24 byte checksum] [real authent'r]
889 ** This hackery wouldn't be necessary if MIT KRB5 1.0.6 had the
890 ** krb5_auth_con_getcksumtype() function advertised in its krb5.h.
892 unsigned char *kssl_skip_confound(krb5_enctype etype, unsigned char *a)
896 static size_t *cksumlens = NULL;
897 unsigned char *test_auth;
899 conlen = (etype)? 8: 0;
901 if (!cksumlens && !(cksumlens = populate_cksumlens())) return NULL;
902 for (i=0; (cklen = cksumlens[i]) != 0; i++)
904 test_auth = a + conlen + cklen;
905 if (kssl_test_confound(test_auth)) return test_auth;
912 /* Set kssl_err error info when reason text is a simple string
913 ** kssl_err = struct { int reason; char text[KSSL_ERR_MAX+1]; }
916 kssl_err_set(KSSL_ERR *kssl_err, int reason, char *text)
918 if (kssl_err == NULL) return;
920 kssl_err->reason = reason;
921 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX, text);
926 /* Display contents of krb5_data struct, for debugging
929 print_krb5_data(char *label, krb5_data *kdata)
933 printf("%s[%d] ", label, kdata->length);
934 for (i=0; i < kdata->length; i++)
936 if (0 && isprint((int) kdata->data[i]))
937 printf( "%c ", kdata->data[i]);
939 printf( "%02x ", (unsigned char) kdata->data[i]);
945 /* Display contents of krb5_authdata struct, for debugging
948 print_krb5_authdata(char *label, krb5_authdata **adata)
952 printf("%s, authdata==0\n", label);
955 printf("%s [%p]\n", label, adata);
959 printf("%s[at%d:%d] ", label, adata->ad_type, adata->length);
960 for (i=0; i < adata->length; i++)
962 printf((isprint(adata->contents[i]))? "%c ": "%02x",
971 /* Display contents of krb5_keyblock struct, for debugging
974 print_krb5_keyblock(char *label, krb5_keyblock *keyblk)
980 printf("%s, keyblk==0\n", label);
984 printf("%s\n\t[et%d:%d]: ", label, keyblk->keytype,
985 keyblk->keyvalue->length);
986 for (i=0; i < keyblk->keyvalue->length; i++)
988 printf("%02x",(unsigned char *)(keyblk->keyvalue->contents)[i]);
992 printf("%s\n\t[et%d:%d]: ", label, keyblk->enctype, keyblk->length);
993 for (i=0; i < keyblk->length; i++)
995 printf("%02x",keyblk->contents[i]);
1002 /* Display contents of krb5_principal_data struct, for debugging
1003 ** (krb5_principal is typedef'd == krb5_principal_data *)
1006 print_krb5_princ(char *label, krb5_principal_data *princ)
1010 printf("%s principal Realm: ", label);
1011 if (princ == NULL) return;
1012 for (ui=0; ui < princ->realm.length; ui++) putchar(princ->realm.data[ui]);
1013 printf(" (nametype %d) has %d strings:\n", princ->type,princ->length);
1014 for (i=0; i < princ->length; i++)
1016 printf("\t%d [%d]: ", i, princ->data[i].length);
1017 for (uj=0; uj < princ->data[i].length; uj++) {
1018 putchar(princ->data[i].data[uj]);
1026 /* Given krb5 service (typically "kssl") and hostname in kssl_ctx,
1027 ** Return encrypted Kerberos ticket for service @ hostname.
1028 ** If authenp is non-NULL, also return encrypted authenticator,
1029 ** whose data should be freed by caller.
1030 ** (Originally was: Create Kerberos AP_REQ message for SSL Client.)
1032 ** 19990628 VRS Started; Returns Kerberos AP_REQ message.
1033 ** 20010409 VRS Modified for RFC2712; Returns enc tkt.
1034 ** 20010606 VRS May also return optional authenticator.
1037 kssl_cget_tkt( /* UPDATE */ KSSL_CTX *kssl_ctx,
1038 /* OUT */ krb5_data **enc_ticketp,
1039 /* UPDATE */ krb5_data *authenp,
1040 /* OUT */ KSSL_ERR *kssl_err)
1042 krb5_error_code krb5rc = KRB5KRB_ERR_GENERIC;
1043 krb5_context krb5context = NULL;
1044 krb5_auth_context krb5auth_context = NULL;
1045 krb5_ccache krb5ccdef = NULL;
1046 krb5_creds krb5creds, *krb5credsp = NULL;
1047 krb5_data krb5_app_req;
1049 kssl_err_set(kssl_err, 0, "");
1050 memset((char *)&krb5creds, 0, sizeof(krb5creds));
1054 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1055 "No kssl_ctx defined.\n");
1058 else if (!kssl_ctx->service_host)
1060 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1061 "kssl_ctx service_host undefined.\n");
1065 if ((krb5rc = krb5_init_context(&krb5context)) != 0)
1067 BIO_snprintf(kssl_err->text,KSSL_ERR_MAX,
1068 "krb5_init_context() fails: %d\n", krb5rc);
1069 kssl_err->reason = SSL_R_KRB5_C_INIT;
1073 if ((krb5rc = krb5_sname_to_principal(krb5context,
1074 kssl_ctx->service_host,
1075 (kssl_ctx->service_name)? kssl_ctx->service_name: KRB5SVC,
1076 KRB5_NT_SRV_HST, &krb5creds.server)) != 0)
1078 BIO_snprintf(kssl_err->text,KSSL_ERR_MAX,
1079 "krb5_sname_to_principal() fails for %s/%s\n",
1080 kssl_ctx->service_host,
1081 (kssl_ctx->service_name)? kssl_ctx->service_name:
1083 kssl_err->reason = SSL_R_KRB5_C_INIT;
1087 if ((krb5rc = krb5_cc_default(krb5context, &krb5ccdef)) != 0)
1089 kssl_err_set(kssl_err, SSL_R_KRB5_C_CC_PRINC,
1090 "krb5_cc_default fails.\n");
1094 if ((krb5rc = krb5_cc_get_principal(krb5context, krb5ccdef,
1095 &krb5creds.client)) != 0)
1097 kssl_err_set(kssl_err, SSL_R_KRB5_C_CC_PRINC,
1098 "krb5_cc_get_principal() fails.\n");
1102 if ((krb5rc = krb5_get_credentials(krb5context, 0, krb5ccdef,
1103 &krb5creds, &krb5credsp)) != 0)
1105 kssl_err_set(kssl_err, SSL_R_KRB5_C_GET_CRED,
1106 "krb5_get_credentials() fails.\n");
1110 *enc_ticketp = &krb5credsp->ticket;
1112 kssl_ctx->enctype = krb5credsp->session.keytype;
1114 kssl_ctx->enctype = krb5credsp->keyblock.enctype;
1117 krb5rc = KRB5KRB_ERR_GENERIC;
1118 /* caller should free data of krb5_app_req */
1119 /* 20010406 VRS deleted for real KerberosWrapper
1120 ** 20010605 VRS reinstated to offer Authenticator to KerberosWrapper
1122 krb5_app_req.length = 0;
1125 krb5_data krb5in_data;
1128 KRB5_APREQBODY *ap_req;
1130 authenp->length = 0;
1131 krb5in_data.data = NULL;
1132 krb5in_data.length = 0;
1133 if ((krb5rc = krb5_mk_req_extended(krb5context,
1134 &krb5auth_context, 0, &krb5in_data, krb5credsp,
1135 &krb5_app_req)) != 0)
1137 kssl_err_set(kssl_err, SSL_R_KRB5_C_MK_REQ,
1138 "krb5_mk_req_extended() fails.\n");
1142 arlen = krb5_app_req.length;
1143 p = (unsigned char *)krb5_app_req.data;
1144 ap_req = (KRB5_APREQBODY *) d2i_KRB5_APREQ(NULL, &p, arlen);
1147 authenp->length = i2d_KRB5_ENCDATA(
1148 ap_req->authenticator, NULL);
1149 if (authenp->length &&
1150 (authenp->data = malloc(authenp->length)))
1152 unsigned char *adp = (unsigned char *)authenp->data;
1153 authenp->length = i2d_KRB5_ENCDATA(
1154 ap_req->authenticator, &adp);
1158 if (ap_req) KRB5_APREQ_free((KRB5_APREQ *) ap_req);
1159 if (krb5_app_req.length)
1160 kssl_krb5_free_data_contents(krb5context,&krb5_app_req);
1163 if (kssl_ctx_setkey(kssl_ctx, &krb5credsp->session))
1165 kssl_err_set(kssl_err, SSL_R_KRB5_C_INIT,
1166 "kssl_ctx_setkey() fails.\n");
1169 if (kssl_ctx_setkey(kssl_ctx, &krb5credsp->keyblock))
1171 kssl_err_set(kssl_err, SSL_R_KRB5_C_INIT,
1172 "kssl_ctx_setkey() fails.\n");
1179 kssl_ctx_show(kssl_ctx);
1180 #endif /* KSSL_DEBUG */
1182 if (krb5creds.client) krb5_free_principal(krb5context,
1184 if (krb5creds.server) krb5_free_principal(krb5context,
1186 if (krb5auth_context) krb5_auth_con_free(krb5context,
1188 if (krb5context) krb5_free_context(krb5context);
1193 /* Given d2i_-decoded asn1ticket, allocate and return a new krb5_ticket.
1194 ** Return Kerberos error code and kssl_err struct on error.
1195 ** Allocates krb5_ticket and krb5_principal; caller should free these.
1197 ** 20010410 VRS Implemented krb5_decode_ticket() as
1198 ** old_krb5_decode_ticket(). Missing from MIT1.0.6.
1199 ** 20010615 VRS Re-cast as openssl/asn1 d2i_*() functions.
1200 ** Re-used some of the old krb5_decode_ticket()
1201 ** code here. This tkt should alloc/free just
1202 ** like the real thing.
1205 kssl_TKT2tkt( /* IN */ krb5_context krb5context,
1206 /* IN */ KRB5_TKTBODY *asn1ticket,
1207 /* OUT */ krb5_ticket **krb5ticket,
1208 /* OUT */ KSSL_ERR *kssl_err )
1210 krb5_error_code krb5rc = KRB5KRB_ERR_GENERIC;
1211 krb5_ticket *new5ticket = NULL;
1212 ASN1_GENERALSTRING *gstr_svc, *gstr_host;
1216 if (asn1ticket == NULL || asn1ticket->realm == NULL ||
1217 asn1ticket->sname == NULL ||
1218 sk_ASN1_GENERALSTRING_num(asn1ticket->sname->namestring) < 2)
1220 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1221 "Null field in asn1ticket.\n");
1222 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1223 return KRB5KRB_ERR_GENERIC;
1226 if ((new5ticket = (krb5_ticket *) calloc(1, sizeof(krb5_ticket)))==NULL)
1228 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1229 "Unable to allocate new krb5_ticket.\n");
1230 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1231 return ENOMEM; /* or KRB5KRB_ERR_GENERIC; */
1234 gstr_svc = sk_ASN1_GENERALSTRING_value(asn1ticket->sname->namestring, 0);
1235 gstr_host = sk_ASN1_GENERALSTRING_value(asn1ticket->sname->namestring, 1);
1237 if ((krb5rc = kssl_build_principal_2(krb5context,
1238 &new5ticket->server,
1239 asn1ticket->realm->length, (char *)asn1ticket->realm->data,
1240 gstr_svc->length, (char *)gstr_svc->data,
1241 gstr_host->length, (char *)gstr_host->data)) != 0)
1244 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1245 "Error building ticket server principal.\n");
1246 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1247 return krb5rc; /* or KRB5KRB_ERR_GENERIC; */
1250 krb5_princ_type(krb5context, new5ticket->server) =
1251 asn1ticket->sname->nametype->data[0];
1252 new5ticket->enc_part.enctype = asn1ticket->encdata->etype->data[0];
1253 new5ticket->enc_part.kvno = asn1ticket->encdata->kvno->data[0];
1254 new5ticket->enc_part.ciphertext.length =
1255 asn1ticket->encdata->cipher->length;
1256 if ((new5ticket->enc_part.ciphertext.data =
1257 calloc(1, asn1ticket->encdata->cipher->length)) == NULL)
1260 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1261 "Error allocating cipher in krb5ticket.\n");
1262 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1263 return KRB5KRB_ERR_GENERIC;
1267 memcpy(new5ticket->enc_part.ciphertext.data,
1268 asn1ticket->encdata->cipher->data,
1269 asn1ticket->encdata->cipher->length);
1272 *krb5ticket = new5ticket;
1277 /* Given krb5 service name in KSSL_CTX *kssl_ctx (typically "kssl"),
1278 ** and krb5 AP_REQ message & message length,
1279 ** Return Kerberos session key and client principle
1280 ** to SSL Server in KSSL_CTX *kssl_ctx.
1282 ** 19990702 VRS Started.
1285 kssl_sget_tkt( /* UPDATE */ KSSL_CTX *kssl_ctx,
1286 /* IN */ krb5_data *indata,
1287 /* OUT */ krb5_ticket_times *ttimes,
1288 /* OUT */ KSSL_ERR *kssl_err )
1290 krb5_error_code krb5rc = KRB5KRB_ERR_GENERIC;
1291 static krb5_context krb5context = NULL;
1292 static krb5_auth_context krb5auth_context = NULL;
1293 krb5_ticket *krb5ticket = NULL;
1294 KRB5_TKTBODY *asn1ticket = NULL;
1296 krb5_keytab krb5keytab = NULL;
1297 krb5_keytab_entry kt_entry;
1298 krb5_principal krb5server;
1299 krb5_rcache rcache = NULL;
1301 kssl_err_set(kssl_err, 0, "");
1305 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1306 "No kssl_ctx defined.\n");
1311 printf("in kssl_sget_tkt(%s)\n", kstring(kssl_ctx->service_name));
1312 #endif /* KSSL_DEBUG */
1314 if (!krb5context && (krb5rc = krb5_init_context(&krb5context)))
1316 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1317 "krb5_init_context() fails.\n");
1320 if (krb5auth_context &&
1321 (krb5rc = krb5_auth_con_free(krb5context, krb5auth_context)))
1323 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1324 "krb5_auth_con_free() fails.\n");
1327 else krb5auth_context = NULL;
1328 if (!krb5auth_context &&
1329 (krb5rc = krb5_auth_con_init(krb5context, &krb5auth_context)))
1331 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1332 "krb5_auth_con_init() fails.\n");
1337 if ((krb5rc = krb5_auth_con_getrcache(krb5context, krb5auth_context,
1340 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1341 "krb5_auth_con_getrcache() fails.\n");
1345 if ((krb5rc = krb5_sname_to_principal(krb5context, NULL,
1346 (kssl_ctx->service_name)? kssl_ctx->service_name: KRB5SVC,
1347 KRB5_NT_SRV_HST, &krb5server)) != 0)
1349 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1350 "krb5_sname_to_principal() fails.\n");
1356 if ((krb5rc = krb5_get_server_rcache(krb5context,
1357 krb5_princ_component(krb5context, krb5server, 0),
1360 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1361 "krb5_get_server_rcache() fails.\n");
1366 if ((krb5rc = krb5_auth_con_setrcache(krb5context, krb5auth_context, rcache)))
1368 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1369 "krb5_auth_con_setrcache() fails.\n");
1374 /* kssl_ctx->keytab_file == NULL ==> use Kerberos default
1376 if (kssl_ctx->keytab_file)
1378 krb5rc = krb5_kt_resolve(krb5context, kssl_ctx->keytab_file,
1382 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1383 "krb5_kt_resolve() fails.\n");
1389 krb5rc = krb5_kt_default(krb5context,&krb5keytab);
1392 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1393 "krb5_kt_default() fails.\n");
1398 /* Actual Kerberos5 krb5_recvauth() has initial conversation here
1399 ** o check KRB5_SENDAUTH_BADAUTHVERS
1400 ** unless KRB5_RECVAUTH_SKIP_VERSION
1401 ** o check KRB5_SENDAUTH_BADAPPLVERS
1402 ** o send "0" msg if all OK
1405 /* 20010411 was using AP_REQ instead of true KerberosWrapper
1407 ** if ((krb5rc = krb5_rd_req(krb5context, &krb5auth_context,
1408 ** &krb5in_data, krb5server, krb5keytab,
1409 ** &ap_option, &krb5ticket)) != 0) { Error }
1412 p = (unsigned char *)indata->data;
1413 if ((asn1ticket = (KRB5_TKTBODY *) d2i_KRB5_TICKET(NULL, &p,
1414 (long) indata->length)) == NULL)
1416 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1417 "d2i_KRB5_TICKET() ASN.1 decode failure.\n");
1418 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1422 /* Was: krb5rc = krb5_decode_ticket(krb5in_data,&krb5ticket)) != 0) */
1423 if ((krb5rc = kssl_TKT2tkt(krb5context, asn1ticket, &krb5ticket,
1426 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1427 "Error converting ASN.1 ticket to krb5_ticket.\n");
1428 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1432 if (! krb5_principal_compare(krb5context, krb5server,
1433 krb5ticket->server)) {
1434 krb5rc = KRB5_PRINC_NOMATCH;
1435 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1436 "server principal != ticket principal\n");
1437 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1440 if ((krb5rc = krb5_kt_get_entry(krb5context, krb5keytab,
1441 krb5ticket->server, krb5ticket->enc_part.kvno,
1442 krb5ticket->enc_part.enctype, &kt_entry)) != 0) {
1443 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1444 "krb5_kt_get_entry() fails with %x.\n", krb5rc);
1445 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1448 if ((krb5rc = krb5_decrypt_tkt_part(krb5context, &kt_entry.key,
1449 krb5ticket)) != 0) {
1450 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1451 "krb5_decrypt_tkt_part() failed.\n");
1452 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1456 krb5_kt_free_entry(krb5context, &kt_entry);
1459 int i; krb5_address **paddr = krb5ticket->enc_part2->caddrs;
1460 printf("Decrypted ticket fields:\n");
1461 printf("\tflags: %X, transit-type: %X",
1462 krb5ticket->enc_part2->flags,
1463 krb5ticket->enc_part2->transited.tr_type);
1464 print_krb5_data("\ttransit-data: ",
1465 &(krb5ticket->enc_part2->transited.tr_contents));
1466 printf("\tcaddrs: %p, authdata: %p\n",
1467 krb5ticket->enc_part2->caddrs,
1468 krb5ticket->enc_part2->authorization_data);
1471 printf("\tcaddrs:\n");
1472 for (i=0; paddr[i] != NULL; i++)
1475 d.length=paddr[i]->length;
1476 d.data=paddr[i]->contents;
1477 print_krb5_data("\t\tIP: ", &d);
1480 printf("\tstart/auth/end times: %d / %d / %d\n",
1481 krb5ticket->enc_part2->times.starttime,
1482 krb5ticket->enc_part2->times.authtime,
1483 krb5ticket->enc_part2->times.endtime);
1485 #endif /* KSSL_DEBUG */
1488 krb5rc = KRB5_NO_TKT_SUPPLIED;
1489 if (!krb5ticket || !krb5ticket->enc_part2 ||
1490 !krb5ticket->enc_part2->client ||
1491 !krb5ticket->enc_part2->client->data ||
1492 !krb5ticket->enc_part2->session)
1494 kssl_err_set(kssl_err, SSL_R_KRB5_S_BAD_TICKET,
1495 "bad ticket from krb5_rd_req.\n");
1497 else if (kssl_ctx_setprinc(kssl_ctx, KSSL_CLIENT,
1498 &krb5ticket->enc_part2->client->realm,
1499 krb5ticket->enc_part2->client->data))
1501 kssl_err_set(kssl_err, SSL_R_KRB5_S_BAD_TICKET,
1502 "kssl_ctx_setprinc() fails.\n");
1504 else if (kssl_ctx_setkey(kssl_ctx, krb5ticket->enc_part2->session))
1506 kssl_err_set(kssl_err, SSL_R_KRB5_S_BAD_TICKET,
1507 "kssl_ctx_setkey() fails.\n");
1509 else if (krb5ticket->enc_part2->flags & TKT_FLG_INVALID)
1511 krb5rc = KRB5KRB_AP_ERR_TKT_INVALID;
1512 kssl_err_set(kssl_err, SSL_R_KRB5_S_BAD_TICKET,
1513 "invalid ticket from krb5_rd_req.\n");
1517 kssl_ctx->enctype = krb5ticket->enc_part.enctype;
1518 ttimes->authtime = krb5ticket->enc_part2->times.authtime;
1519 ttimes->starttime = krb5ticket->enc_part2->times.starttime;
1520 ttimes->endtime = krb5ticket->enc_part2->times.endtime;
1521 ttimes->renew_till = krb5ticket->enc_part2->times.renew_till;
1525 kssl_ctx_show(kssl_ctx);
1526 #endif /* KSSL_DEBUG */
1528 if (asn1ticket) KRB5_TICKET_free((KRB5_TICKET *) asn1ticket);
1529 if (krb5keytab) krb5_kt_close(krb5context, krb5keytab);
1530 if (krb5ticket) krb5_free_ticket(krb5context, krb5ticket);
1531 if (krb5server) krb5_free_principal(krb5context, krb5server);
1536 /* Allocate & return a new kssl_ctx struct.
1541 return ((KSSL_CTX *) calloc(1, sizeof(KSSL_CTX)));
1545 /* Frees a kssl_ctx struct and any allocated memory it holds.
1549 kssl_ctx_free(KSSL_CTX *kssl_ctx)
1551 if (kssl_ctx == NULL) return kssl_ctx;
1553 if (kssl_ctx->key) OPENSSL_cleanse(kssl_ctx->key,
1555 if (kssl_ctx->key) free(kssl_ctx->key);
1556 if (kssl_ctx->client_princ) free(kssl_ctx->client_princ);
1557 if (kssl_ctx->service_host) free(kssl_ctx->service_host);
1558 if (kssl_ctx->service_name) free(kssl_ctx->service_name);
1559 if (kssl_ctx->keytab_file) free(kssl_ctx->keytab_file);
1562 return (KSSL_CTX *) NULL;
1566 /* Given a (krb5_data *) entity (and optional realm),
1567 ** set the plain (char *) client_princ or service_host member
1568 ** of the kssl_ctx struct.
1571 kssl_ctx_setprinc(KSSL_CTX *kssl_ctx, int which,
1572 krb5_data *realm, krb5_data *entity)
1577 if (kssl_ctx == NULL || entity == NULL) return KSSL_CTX_ERR;
1581 case KSSL_CLIENT: princ = &kssl_ctx->client_princ; break;
1582 case KSSL_SERVER: princ = &kssl_ctx->service_host; break;
1583 default: return KSSL_CTX_ERR; break;
1585 if (*princ) free(*princ);
1587 length = entity->length + ((realm)? realm->length + 2: 1);
1588 if ((*princ = calloc(1, length)) == NULL)
1589 return KSSL_CTX_ERR;
1592 strncpy(*princ, entity->data, entity->length);
1593 (*princ)[entity->length]='\0';
1596 strcat (*princ, "@");
1597 (void) strncat(*princ, realm->data, realm->length);
1598 (*princ)[entity->length+1+realm->length]='\0';
1606 /* Set one of the plain (char *) string members of the kssl_ctx struct.
1607 ** Default values should be:
1608 ** which == KSSL_SERVICE => "khost" (KRB5SVC)
1609 ** which == KSSL_KEYTAB => "/etc/krb5.keytab" (KRB5KEYTAB)
1612 kssl_ctx_setstring(KSSL_CTX *kssl_ctx, int which, char *text)
1616 if (!kssl_ctx) return KSSL_CTX_ERR;
1620 case KSSL_SERVICE: string = &kssl_ctx->service_name; break;
1621 case KSSL_SERVER: string = &kssl_ctx->service_host; break;
1622 case KSSL_CLIENT: string = &kssl_ctx->client_princ; break;
1623 case KSSL_KEYTAB: string = &kssl_ctx->keytab_file; break;
1624 default: return KSSL_CTX_ERR; break;
1626 if (*string) free(*string);
1634 if ((*string = calloc(1, strlen(text) + 1)) == NULL)
1635 return KSSL_CTX_ERR;
1637 strcpy(*string, text);
1643 /* Copy the Kerberos session key from a (krb5_keyblock *) to a kssl_ctx
1644 ** struct. Clear kssl_ctx->key if Kerberos session key is NULL.
1647 kssl_ctx_setkey(KSSL_CTX *kssl_ctx, krb5_keyblock *session)
1650 krb5_enctype enctype;
1651 krb5_octet FAR *contents = NULL;
1653 if (!kssl_ctx) return KSSL_CTX_ERR;
1657 OPENSSL_cleanse(kssl_ctx->key, kssl_ctx->length);
1658 free(kssl_ctx->key);
1665 length = session->keyvalue->length;
1666 enctype = session->keytype;
1667 contents = session->keyvalue->contents;
1669 length = session->length;
1670 enctype = session->enctype;
1671 contents = session->contents;
1673 kssl_ctx->enctype = enctype;
1674 kssl_ctx->length = length;
1678 kssl_ctx->enctype = ENCTYPE_UNKNOWN;
1679 kssl_ctx->length = 0;
1683 if ((kssl_ctx->key =
1684 (krb5_octet FAR *) calloc(1, kssl_ctx->length)) == NULL)
1686 kssl_ctx->length = 0;
1687 return KSSL_CTX_ERR;
1690 memcpy(kssl_ctx->key, contents, length);
1696 /* Display contents of kssl_ctx struct
1699 kssl_ctx_show(KSSL_CTX *kssl_ctx)
1703 printf("kssl_ctx: ");
1704 if (kssl_ctx == NULL)
1710 printf("%p\n", kssl_ctx);
1712 printf("\tservice:\t%s\n",
1713 (kssl_ctx->service_name)? kssl_ctx->service_name: "NULL");
1714 printf("\tclient:\t%s\n",
1715 (kssl_ctx->client_princ)? kssl_ctx->client_princ: "NULL");
1716 printf("\tserver:\t%s\n",
1717 (kssl_ctx->service_host)? kssl_ctx->service_host: "NULL");
1718 printf("\tkeytab:\t%s\n",
1719 (kssl_ctx->keytab_file)? kssl_ctx->keytab_file: "NULL");
1720 printf("\tkey [%d:%d]:\t",
1721 kssl_ctx->enctype, kssl_ctx->length);
1723 for (i=0; i < kssl_ctx->length && kssl_ctx->key; i++)
1725 printf("%02x", kssl_ctx->key[i]);
1732 kssl_keytab_is_available(KSSL_CTX *kssl_ctx)
1734 krb5_context krb5context = NULL;
1735 krb5_keytab krb5keytab = NULL;
1736 krb5_keytab_entry entry;
1737 krb5_principal princ = NULL;
1738 krb5_error_code krb5rc = KRB5KRB_ERR_GENERIC;
1741 if ((krb5rc = krb5_init_context(&krb5context)))
1744 /* kssl_ctx->keytab_file == NULL ==> use Kerberos default
1746 if (kssl_ctx->keytab_file)
1748 krb5rc = krb5_kt_resolve(krb5context, kssl_ctx->keytab_file,
1755 krb5rc = krb5_kt_default(krb5context,&krb5keytab);
1760 /* the host key we are looking for */
1761 krb5rc = krb5_sname_to_principal(krb5context, NULL,
1762 kssl_ctx->service_name ? kssl_ctx->service_name: KRB5SVC,
1763 KRB5_NT_SRV_HST, &princ);
1765 krb5rc = krb5_kt_get_entry(krb5context, krb5keytab,
1768 0 /* IGNORE_ENCTYPE */,
1770 if ( krb5rc == KRB5_KT_NOTFOUND ) {
1773 } else if ( krb5rc )
1776 krb5_kt_free_entry(krb5context, &entry);
1780 if (krb5keytab) krb5_kt_close(krb5context, krb5keytab);
1781 if (princ) krb5_free_principal(krb5context, princ);
1782 if (krb5context) krb5_free_context(krb5context);
1787 kssl_tgt_is_available(KSSL_CTX *kssl_ctx)
1789 krb5_error_code krb5rc = KRB5KRB_ERR_GENERIC;
1790 krb5_context krb5context = NULL;
1791 krb5_ccache krb5ccdef = NULL;
1792 krb5_creds krb5creds, *krb5credsp = NULL;
1795 memset((char *)&krb5creds, 0, sizeof(krb5creds));
1800 if (!kssl_ctx->service_host)
1803 if ((krb5rc = krb5_init_context(&krb5context)) != 0)
1806 if ((krb5rc = krb5_sname_to_principal(krb5context,
1807 kssl_ctx->service_host,
1808 (kssl_ctx->service_name)? kssl_ctx->service_name: KRB5SVC,
1809 KRB5_NT_SRV_HST, &krb5creds.server)) != 0)
1812 if ((krb5rc = krb5_cc_default(krb5context, &krb5ccdef)) != 0)
1815 if ((krb5rc = krb5_cc_get_principal(krb5context, krb5ccdef,
1816 &krb5creds.client)) != 0)
1819 if ((krb5rc = krb5_get_credentials(krb5context, 0, krb5ccdef,
1820 &krb5creds, &krb5credsp)) != 0)
1827 kssl_ctx_show(kssl_ctx);
1828 #endif /* KSSL_DEBUG */
1830 if (krb5creds.client) krb5_free_principal(krb5context, krb5creds.client);
1831 if (krb5creds.server) krb5_free_principal(krb5context, krb5creds.server);
1832 if (krb5context) krb5_free_context(krb5context);
1836 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_WIN32)
1837 void kssl_krb5_free_data_contents(krb5_context context, krb5_data *data)
1843 #elif defined(KRB5_MIT_OLD11)
1845 krb5_xfree(data->data);
1849 krb5_free_data_contents(NULL, data);
1852 #endif /* !OPENSSL_SYS_WINDOWS && !OPENSSL_SYS_WIN32 */
1855 /* Given pointers to KerberosTime and struct tm structs, convert the
1856 ** KerberosTime string to struct tm. Note that KerberosTime is a
1857 ** ASN1_GENERALIZEDTIME value, constrained to GMT with no fractional
1858 ** seconds as defined in RFC 1510.
1859 ** Return pointer to the (partially) filled in struct tm on success,
1860 ** return NULL on failure.
1862 struct tm *k_gmtime(ASN1_GENERALIZEDTIME *gtime, struct tm *k_tm)
1866 if (!k_tm) return NULL;
1867 if (gtime == NULL || gtime->length < 14) return NULL;
1868 if (gtime->data == NULL) return NULL;
1870 p = (char *)>ime->data[14];
1872 c = *p; *p = '\0'; p -= 2; k_tm->tm_sec = atoi(p); *(p+2) = c;
1873 c = *p; *p = '\0'; p -= 2; k_tm->tm_min = atoi(p); *(p+2) = c;
1874 c = *p; *p = '\0'; p -= 2; k_tm->tm_hour = atoi(p); *(p+2) = c;
1875 c = *p; *p = '\0'; p -= 2; k_tm->tm_mday = atoi(p); *(p+2) = c;
1876 c = *p; *p = '\0'; p -= 2; k_tm->tm_mon = atoi(p)-1; *(p+2) = c;
1877 c = *p; *p = '\0'; p -= 4; k_tm->tm_year = atoi(p)-1900; *(p+4) = c;
1883 /* Helper function for kssl_validate_times().
1884 ** We need context->clockskew, but krb5_context is an opaque struct.
1885 ** So we try to sneek the clockskew out through the replay cache.
1886 ** If that fails just return a likely default (300 seconds).
1888 krb5_deltat get_rc_clockskew(krb5_context context)
1891 krb5_deltat clockskew;
1893 if (krb5_rc_default(context, &rc)) return KSSL_CLOCKSKEW;
1894 if (krb5_rc_initialize(context, rc, 0)) return KSSL_CLOCKSKEW;
1895 if (krb5_rc_get_lifespan(context, rc, &clockskew)) {
1896 clockskew = KSSL_CLOCKSKEW;
1898 (void) krb5_rc_destroy(context, rc);
1903 /* kssl_validate_times() combines (and more importantly exposes)
1904 ** the MIT KRB5 internal function krb5_validate_times() and the
1905 ** in_clock_skew() macro. The authenticator client time is checked
1906 ** to be within clockskew secs of the current time and the current
1907 ** time is checked to be within the ticket start and expire times.
1908 ** Either check may be omitted by supplying a NULL value.
1909 ** Returns 0 for valid times, SSL_R_KRB5* error codes otherwise.
1910 ** See Also: (Kerberos source)/krb5/lib/krb5/krb/valid_times.c
1913 krb5_error_code kssl_validate_times( krb5_timestamp atime,
1914 krb5_ticket_times *ttimes)
1917 krb5_timestamp start, now;
1919 krb5_context context;
1921 if ((rc = krb5_init_context(&context))) return SSL_R_KRB5_S_BAD_TICKET;
1922 skew = get_rc_clockskew(context);
1923 if ((rc = krb5_timeofday(context,&now))) return SSL_R_KRB5_S_BAD_TICKET;
1924 krb5_free_context(context);
1926 if (atime && labs(atime - now) >= skew) return SSL_R_KRB5_S_TKT_SKEW;
1928 if (! ttimes) return 0;
1930 start = (ttimes->starttime != 0)? ttimes->starttime: ttimes->authtime;
1931 if (start - now > skew) return SSL_R_KRB5_S_TKT_NYV;
1932 if ((now - ttimes->endtime) > skew) return SSL_R_KRB5_S_TKT_EXPIRED;
1935 printf("kssl_validate_times: %d |<- | %d - %d | < %d ->| %d\n",
1936 start, atime, now, skew, ttimes->endtime);
1937 #endif /* KSSL_DEBUG */
1943 /* Decode and decrypt given DER-encoded authenticator, then pass
1944 ** authenticator ctime back in *atimep (or 0 if time unavailable).
1945 ** Returns krb5_error_code and kssl_err on error. A NULL
1946 ** authenticator (authentp->length == 0) is not considered an error.
1947 ** Note that kssl_check_authent() makes use of the KRB5 session key;
1948 ** you must call kssl_sget_tkt() to get the key before calling this routine.
1950 krb5_error_code kssl_check_authent(
1951 /* IN */ KSSL_CTX *kssl_ctx,
1952 /* IN */ krb5_data *authentp,
1953 /* OUT */ krb5_timestamp *atimep,
1954 /* OUT */ KSSL_ERR *kssl_err )
1956 krb5_error_code krb5rc = 0;
1957 KRB5_ENCDATA *dec_authent = NULL;
1958 KRB5_AUTHENTBODY *auth = NULL;
1959 krb5_enctype enctype;
1960 EVP_CIPHER_CTX ciph_ctx;
1961 const EVP_CIPHER *enc = NULL;
1962 unsigned char iv[EVP_MAX_IV_LENGTH];
1963 unsigned char *p, *unenc_authent;
1964 int outl, unencbufsize;
1965 struct tm tm_time, *tm_l, *tm_g;
1966 time_t now, tl, tg, tr, tz_offset;
1968 EVP_CIPHER_CTX_init(&ciph_ctx);
1970 kssl_err_set(kssl_err, 0, "");
1972 #ifndef KRB5CHECKAUTH
1975 #if KRB5CHECKAUTH == 0
1978 #endif /* KRB5CHECKAUTH */
1980 if (authentp == NULL || authentp->length == 0) return 0;
1985 printf("kssl_check_authent: authenticator[%d]:\n",authentp->length);
1987 for (ui=0; ui < authentp->length; ui++) printf("%02x ",p[ui]);
1990 #endif /* KSSL_DEBUG */
1992 unencbufsize = 2 * authentp->length;
1993 if ((unenc_authent = calloc(1, unencbufsize)) == NULL)
1995 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1996 "Unable to allocate authenticator buffer.\n");
1997 krb5rc = KRB5KRB_ERR_GENERIC;
2001 p = (unsigned char *)authentp->data;
2002 if ((dec_authent = d2i_KRB5_ENCDATA(NULL, &p,
2003 (long) authentp->length)) == NULL)
2005 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2006 "Error decoding authenticator.\n");
2007 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2011 enctype = dec_authent->etype->data[0]; /* should = kssl_ctx->enctype */
2012 #if !defined(KRB5_MIT_OLD11)
2013 switch ( enctype ) {
2014 case ENCTYPE_DES3_CBC_SHA1: /* EVP_des_ede3_cbc(); */
2015 case ENCTYPE_DES3_CBC_SHA:
2016 case ENCTYPE_DES3_CBC_RAW:
2017 krb5rc = 0; /* Skip, can't handle derived keys */
2021 enc = kssl_map_enc(enctype);
2022 memset(iv, 0, sizeof iv); /* per RFC 1510 */
2026 /* Disable kssl_check_authent for ENCTYPE_DES3_CBC_SHA1.
2027 ** This enctype indicates the authenticator was encrypted
2028 ** using key-usage derived keys which openssl cannot decrypt.
2033 if (!EVP_CipherInit(&ciph_ctx,enc,kssl_ctx->key,iv,0))
2035 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2036 "EVP_CipherInit error decrypting authenticator.\n");
2037 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2040 outl = dec_authent->cipher->length;
2041 if (!EVP_Cipher(&ciph_ctx,unenc_authent,dec_authent->cipher->data,outl))
2043 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2044 "EVP_Cipher error decrypting authenticator.\n");
2045 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2048 EVP_CIPHER_CTX_cleanup(&ciph_ctx);
2051 printf("kssl_check_authent: decrypted authenticator[%d] =\n", outl);
2052 for (padl=0; padl < outl; padl++) printf("%02x ",unenc_authent[padl]);
2054 #endif /* KSSL_DEBUG */
2056 if ((p = kssl_skip_confound(enctype, unenc_authent)) == NULL)
2058 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2059 "confounded by authenticator.\n");
2060 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2063 outl -= p - unenc_authent;
2065 if ((auth = (KRB5_AUTHENTBODY *) d2i_KRB5_AUTHENT(NULL, &p,
2066 (long) outl))==NULL)
2068 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2069 "Error decoding authenticator body.\n");
2070 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2074 memset(&tm_time,0,sizeof(struct tm));
2075 if (k_gmtime(auth->ctime, &tm_time) &&
2076 ((tr = mktime(&tm_time)) != (time_t)(-1)))
2079 tm_l = localtime(&now); tl = mktime(tm_l);
2080 tm_g = gmtime(&now); tg = mktime(tm_g);
2081 tz_offset = tg - tl;
2083 *atimep = tr - tz_offset;
2087 printf("kssl_check_authent: returns %d for client time ", *atimep);
2088 if (auth && auth->ctime && auth->ctime->length && auth->ctime->data)
2089 printf("%.*s\n", auth->ctime->length, auth->ctime->data);
2090 else printf("NULL\n");
2091 #endif /* KSSL_DEBUG */
2094 if (auth) KRB5_AUTHENT_free((KRB5_AUTHENT *) auth);
2095 if (dec_authent) KRB5_ENCDATA_free(dec_authent);
2096 if (unenc_authent) free(unenc_authent);
2097 EVP_CIPHER_CTX_cleanup(&ciph_ctx);
2102 /* Replaces krb5_build_principal_ext(), with varargs length == 2 (svc, host),
2103 ** because I dont't know how to stub varargs.
2104 ** Returns krb5_error_code == ENOMEM on alloc error, otherwise
2105 ** passes back newly constructed principal, which should be freed by caller.
2107 krb5_error_code kssl_build_principal_2(
2108 /* UPDATE */ krb5_context context,
2109 /* OUT */ krb5_principal *princ,
2110 /* IN */ int rlen, const char *realm,
2111 /* IN */ int slen, const char *svc,
2112 /* IN */ int hlen, const char *host)
2114 krb5_data *p_data = NULL;
2115 krb5_principal new_p = NULL;
2118 if ((p_data = (krb5_data *) calloc(2, sizeof(krb5_data))) == NULL ||
2119 (new_p = (krb5_principal) calloc(1, sizeof(krb5_principal_data)))
2122 new_p->data = p_data;
2124 if ((new_r = calloc(1, rlen + 1)) == NULL) goto err;
2125 memcpy(new_r, realm, rlen);
2126 krb5_princ_set_realm_length(context, new_p, rlen);
2127 krb5_princ_set_realm_data(context, new_p, new_r);
2129 if ((new_p->data[0].data = calloc(1, slen + 1)) == NULL) goto err;
2130 memcpy(new_p->data[0].data, svc, slen);
2131 new_p->data[0].length = slen;
2133 if ((new_p->data[1].data = calloc(1, hlen + 1)) == NULL) goto err;
2134 memcpy(new_p->data[1].data, host, hlen);
2135 new_p->data[1].length = hlen;
2137 krb5_princ_type(context, new_p) = KRB5_NT_UNKNOWN;
2142 if (new_p && new_p[0].data) free(new_p[0].data);
2143 if (new_p && new_p[1].data) free(new_p[1].data);
2144 if (new_p) free(new_p);
2145 if (new_r) free(new_r);
2150 #else /* !OPENSSL_NO_KRB5 */
2152 #if defined(PEDANTIC) || defined(OPENSSL_SYS_VMS)
2153 static int dummy=(int)&dummy;
2156 #endif /* !OPENSSL_NO_KRB5 */