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
131 #define krb5_rc_initialize kssl_krb5_rc_initialize
132 #define krb5_rc_get_lifespan kssl_krb5_rc_get_lifespan
133 #define krb5_rc_destroy kssl_krb5_rc_destroy
134 #define valid_cksumtype kssl_valid_cksumtype
135 #define krb5_checksum_size kssl_krb5_checksum_size
136 #define krb5_kt_free_entry kssl_krb5_kt_free_entry
137 #define krb5_auth_con_setrcache kssl_krb5_auth_con_setrcache
138 #define krb5_auth_con_getrcache kssl_krb5_auth_con_getrcache
139 #define krb5_get_server_rcache kssl_krb5_get_server_rcache
141 /* Prototypes for built in stubs */
142 void kssl_krb5_free_data_contents(krb5_context, krb5_data *);
143 void kssl_krb5_free_principal(krb5_context, krb5_principal );
144 krb5_error_code kssl_krb5_kt_resolve(krb5_context,
147 krb5_error_code kssl_krb5_kt_default(krb5_context,
149 krb5_error_code kssl_krb5_free_ticket(krb5_context, krb5_ticket *);
150 krb5_error_code kssl_krb5_rd_req(krb5_context, krb5_auth_context *,
151 krb5_const krb5_data *,
152 krb5_const_principal, krb5_keytab,
153 krb5_flags *,krb5_ticket **);
155 krb5_boolean kssl_krb5_principal_compare(krb5_context, krb5_const_principal,
156 krb5_const_principal);
157 krb5_error_code kssl_krb5_mk_req_extended(krb5_context,
159 krb5_const krb5_flags,
163 krb5_error_code kssl_krb5_init_context(krb5_context *);
164 void kssl_krb5_free_context(krb5_context);
165 krb5_error_code kssl_krb5_cc_default(krb5_context,krb5_ccache *);
166 krb5_error_code kssl_krb5_sname_to_principal(krb5_context,
171 krb5_error_code kssl_krb5_get_credentials(krb5_context,
172 krb5_const krb5_flags,
176 krb5_error_code kssl_krb5_auth_con_init(krb5_context,
177 krb5_auth_context *);
178 krb5_error_code kssl_krb5_cc_get_principal(krb5_context context,
180 krb5_principal *principal);
181 krb5_error_code kssl_krb5_auth_con_free(krb5_context,krb5_auth_context);
182 size_t kssl_krb5_checksum_size(krb5_context context,krb5_cksumtype ctype);
183 krb5_boolean kssl_valid_cksumtype(krb5_cksumtype ctype);
184 krb5_error_code krb5_kt_free_entry(krb5_context,krb5_keytab_entry FAR * );
185 krb5_error_code kssl_krb5_auth_con_setrcache(krb5_context,
188 krb5_error_code kssl_krb5_get_server_rcache(krb5_context,
189 krb5_const krb5_data *,
191 krb5_error_code kssl_krb5_auth_con_getrcache(krb5_context,
195 /* Function pointers (almost all Kerberos functions are _stdcall) */
196 static void (_stdcall *p_krb5_free_data_contents)(krb5_context, krb5_data *)
198 static void (_stdcall *p_krb5_free_principal)(krb5_context, krb5_principal )
200 static krb5_error_code(_stdcall *p_krb5_kt_resolve)
201 (krb5_context, krb5_const char *, krb5_keytab *)=NULL;
202 static krb5_error_code (_stdcall *p_krb5_kt_default)(krb5_context,
204 static krb5_error_code (_stdcall *p_krb5_free_ticket)(krb5_context,
206 static krb5_error_code (_stdcall *p_krb5_rd_req)(krb5_context,
208 krb5_const krb5_data *,
209 krb5_const_principal,
210 krb5_keytab, krb5_flags *,
211 krb5_ticket **)=NULL;
212 static krb5_error_code (_stdcall *p_krb5_mk_req_extended)
213 (krb5_context, krb5_auth_context *,
214 krb5_const krb5_flags, krb5_data *, krb5_creds *,
216 static krb5_error_code (_stdcall *p_krb5_init_context)(krb5_context *)=NULL;
217 static void (_stdcall *p_krb5_free_context)(krb5_context)=NULL;
218 static krb5_error_code (_stdcall *p_krb5_cc_default)(krb5_context,
220 static krb5_error_code (_stdcall *p_krb5_sname_to_principal)
221 (krb5_context, krb5_const char *, krb5_const char *,
222 krb5_int32, krb5_principal *)=NULL;
223 static krb5_error_code (_stdcall *p_krb5_get_credentials)
224 (krb5_context, krb5_const krb5_flags, krb5_ccache,
225 krb5_creds *, krb5_creds **)=NULL;
226 static krb5_error_code (_stdcall *p_krb5_auth_con_init)
227 (krb5_context, krb5_auth_context *)=NULL;
228 static krb5_error_code (_stdcall *p_krb5_cc_get_principal)
229 (krb5_context context, krb5_ccache cache,
230 krb5_principal *principal)=NULL;
231 static krb5_error_code (_stdcall *p_krb5_auth_con_free)
232 (krb5_context, krb5_auth_context)=NULL;
233 static krb5_error_code (_stdcall *p_krb5_decrypt_tkt_part)
234 (krb5_context, krb5_const krb5_keyblock *,
236 static krb5_error_code (_stdcall *p_krb5_timeofday)
237 (krb5_context context, krb5_int32 *timeret)=NULL;
238 static krb5_error_code (_stdcall *p_krb5_rc_default)
239 (krb5_context context, krb5_rcache *rc)=NULL;
240 static krb5_error_code (_stdcall *p_krb5_rc_initialize)
241 (krb5_context context, krb5_rcache rc,
242 krb5_deltat lifespan)=NULL;
243 static krb5_error_code (_stdcall *p_krb5_rc_get_lifespan)
244 (krb5_context context, krb5_rcache rc,
245 krb5_deltat *lifespan)=NULL;
246 static krb5_error_code (_stdcall *p_krb5_rc_destroy)
247 (krb5_context context, krb5_rcache rc)=NULL;
248 static krb5_boolean (_stdcall *p_krb5_principal_compare)
249 (krb5_context, krb5_const_principal, krb5_const_principal)=NULL;
250 static size_t (_stdcall *p_krb5_checksum_size)(krb5_context context,krb5_cksumtype ctype)=NULL;
251 static krb5_boolean (_stdcall *p_valid_cksumtype)(krb5_cksumtype ctype)=NULL;
252 static krb5_error_code (_stdcall *p_krb5_kt_free_entry)
253 (krb5_context,krb5_keytab_entry * )=NULL;
254 static krb5_error_code (_stdcall * p_krb5_auth_con_setrcache)(krb5_context,
257 static krb5_error_code (_stdcall * p_krb5_get_server_rcache)(krb5_context,
258 krb5_const krb5_data *,
260 static krb5_error_code (* p_krb5_auth_con_getrcache)(krb5_context,
263 static krb5_error_code (_stdcall * p_krb5_kt_close)(krb5_context context,
264 krb5_keytab keytab)=NULL;
265 static krb5_error_code (_stdcall * p_krb5_kt_get_entry)(krb5_context context,
267 krb5_const_principal principal, krb5_kvno vno,
268 krb5_enctype enctype, krb5_keytab_entry *entry)=NULL;
269 static int krb5_loaded = 0; /* only attempt to initialize func ptrs once */
271 /* Function to Load the Kerberos 5 DLL and initialize function pointers */
278 hKRB5_32 = LoadLibrary("KRB5_32");
282 (FARPROC) p_krb5_free_data_contents =
283 GetProcAddress( hKRB5_32, "krb5_free_data_contents" );
284 (FARPROC) p_krb5_free_context =
285 GetProcAddress( hKRB5_32, "krb5_free_context" );
286 (FARPROC) p_krb5_auth_con_free =
287 GetProcAddress( hKRB5_32, "krb5_auth_con_free" );
288 (FARPROC) p_krb5_free_principal =
289 GetProcAddress( hKRB5_32, "krb5_free_principal" );
290 (FARPROC) p_krb5_mk_req_extended =
291 GetProcAddress( hKRB5_32, "krb5_mk_req_extended" );
292 (FARPROC) p_krb5_get_credentials =
293 GetProcAddress( hKRB5_32, "krb5_get_credentials" );
294 (FARPROC) p_krb5_cc_get_principal =
295 GetProcAddress( hKRB5_32, "krb5_cc_get_principal" );
296 (FARPROC) p_krb5_cc_default =
297 GetProcAddress( hKRB5_32, "krb5_cc_default" );
298 (FARPROC) p_krb5_sname_to_principal =
299 GetProcAddress( hKRB5_32, "krb5_sname_to_principal" );
300 (FARPROC) p_krb5_init_context =
301 GetProcAddress( hKRB5_32, "krb5_init_context" );
302 (FARPROC) p_krb5_free_ticket =
303 GetProcAddress( hKRB5_32, "krb5_free_ticket" );
304 (FARPROC) p_krb5_rd_req =
305 GetProcAddress( hKRB5_32, "krb5_rd_req" );
306 (FARPROC) p_krb5_principal_compare =
307 GetProcAddress( hKRB5_32, "krb5_principal_compare" );
308 (FARPROC) p_krb5_decrypt_tkt_part =
309 GetProcAddress( hKRB5_32, "krb5_decrypt_tkt_part" );
310 (FARPROC) p_krb5_timeofday =
311 GetProcAddress( hKRB5_32, "krb5_timeofday" );
312 (FARPROC) p_krb5_rc_default =
313 GetProcAddress( hKRB5_32, "krb5_rc_default" );
314 (FARPROC) p_krb5_rc_initialize =
315 GetProcAddress( hKRB5_32, "krb5_rc_initialize" );
316 (FARPROC) p_krb5_rc_get_lifespan =
317 GetProcAddress( hKRB5_32, "krb5_rc_get_lifespan" );
318 (FARPROC) p_krb5_rc_destroy =
319 GetProcAddress( hKRB5_32, "krb5_rc_destroy" );
320 (FARPROC) p_krb5_kt_default =
321 GetProcAddress( hKRB5_32, "krb5_kt_default" );
322 (FARPROC) p_krb5_kt_resolve =
323 GetProcAddress( hKRB5_32, "krb5_kt_resolve" );
324 (FARPROC) p_krb5_auth_con_init =
325 GetProcAddress( hKRB5_32, "krb5_auth_con_init" );
326 (FARPROC) p_valid_cksumtype =
327 GetProcAddress( hKRB5_32, "valid_cksumtype" );
328 (FARPROC) p_krb5_checksum_size =
329 GetProcAddress( hKRB5_32, "krb5_checksum_size" );
330 (FARPROC) p_krb5_kt_free_entry =
331 GetProcAddress( hKRB5_32, "krb5_kt_free_entry" );
332 (FARPROC) p_krb5_auth_con_setrcache =
333 GetProcAddress( hKRB5_32, "krb5_auth_con_setrcache" );
334 (FARPROC) p_krb5_get_server_rcache =
335 GetProcAddress( hKRB5_32, "krb5_get_server_rcache" );
336 (FARPROC) p_krb5_auth_con_getrcache =
337 GetProcAddress( hKRB5_32, "krb5_auth_con_getrcache" );
338 (FARPROC) p_krb5_kt_close =
339 GetProcAddress( hKRB5_32, "krb5_kt_close" );
340 (FARPROC) p_krb5_kt_get_entry =
341 GetProcAddress( hKRB5_32, "krb5_kt_get_entry" );
344 /* Stubs for each function to be dynamicly loaded */
346 kssl_krb5_free_data_contents(krb5_context CO, krb5_data * data)
351 if ( p_krb5_free_data_contents )
352 p_krb5_free_data_contents(CO,data);
356 kssl_krb5_mk_req_extended (krb5_context CO,
357 krb5_auth_context * pACO,
358 krb5_const krb5_flags F,
366 if ( p_krb5_mk_req_extended )
367 return(p_krb5_mk_req_extended(CO,pACO,F,pD1,pC,pD2));
369 return KRB5KRB_ERR_GENERIC;
372 kssl_krb5_auth_con_init(krb5_context CO,
373 krb5_auth_context * pACO)
378 if ( p_krb5_auth_con_init )
379 return(p_krb5_auth_con_init(CO,pACO));
381 return KRB5KRB_ERR_GENERIC;
384 kssl_krb5_auth_con_free (krb5_context CO,
385 krb5_auth_context ACO)
390 if ( p_krb5_auth_con_free )
391 return(p_krb5_auth_con_free(CO,ACO));
393 return KRB5KRB_ERR_GENERIC;
396 kssl_krb5_get_credentials(krb5_context CO,
397 krb5_const krb5_flags F,
405 if ( p_krb5_get_credentials )
406 return(p_krb5_get_credentials(CO,F,CC,pCR,ppCR));
408 return KRB5KRB_ERR_GENERIC;
411 kssl_krb5_sname_to_principal(krb5_context CO,
412 krb5_const char * pC1,
413 krb5_const char * pC2,
415 krb5_principal * pPR)
420 if ( p_krb5_sname_to_principal )
421 return(p_krb5_sname_to_principal(CO,pC1,pC2,I,pPR));
423 return KRB5KRB_ERR_GENERIC;
427 kssl_krb5_cc_default(krb5_context CO,
433 if ( p_krb5_cc_default )
434 return(p_krb5_cc_default(CO,pCC));
436 return KRB5KRB_ERR_GENERIC;
440 kssl_krb5_init_context(krb5_context * pCO)
445 if ( p_krb5_init_context )
446 return(p_krb5_init_context(pCO));
448 return KRB5KRB_ERR_GENERIC;
452 kssl_krb5_free_context(krb5_context CO)
457 if ( p_krb5_free_context )
458 p_krb5_free_context(CO);
462 kssl_krb5_free_principal(krb5_context c, krb5_principal p)
467 if ( p_krb5_free_principal )
468 p_krb5_free_principal(c,p);
472 kssl_krb5_kt_resolve(krb5_context con,
473 krb5_const char * sz,
479 if ( p_krb5_kt_resolve )
480 return(p_krb5_kt_resolve(con,sz,kt));
482 return KRB5KRB_ERR_GENERIC;
486 kssl_krb5_kt_default(krb5_context con,
492 if ( p_krb5_kt_default )
493 return(p_krb5_kt_default(con,kt));
495 return KRB5KRB_ERR_GENERIC;
499 kssl_krb5_free_ticket(krb5_context con,
505 if ( p_krb5_free_ticket )
506 return(p_krb5_free_ticket(con,kt));
508 return KRB5KRB_ERR_GENERIC;
512 kssl_krb5_rd_req(krb5_context con, krb5_auth_context * pacon,
513 krb5_const krb5_data * data,
514 krb5_const_principal princ, krb5_keytab keytab,
515 krb5_flags * flags, krb5_ticket ** pptkt)
521 return(p_krb5_rd_req(con,pacon,data,princ,keytab,flags,pptkt));
523 return KRB5KRB_ERR_GENERIC;
527 krb5_principal_compare(krb5_context con, krb5_const_principal princ1,
528 krb5_const_principal princ2)
533 if ( p_krb5_principal_compare )
534 return(p_krb5_principal_compare(con,princ1,princ2));
536 return KRB5KRB_ERR_GENERIC;
540 krb5_decrypt_tkt_part(krb5_context con, krb5_const krb5_keyblock *keys,
546 if ( p_krb5_decrypt_tkt_part )
547 return(p_krb5_decrypt_tkt_part(con,keys,ticket));
549 return KRB5KRB_ERR_GENERIC;
553 krb5_timeofday(krb5_context con, krb5_int32 *timeret)
558 if ( p_krb5_timeofday )
559 return(p_krb5_timeofday(con,timeret));
561 return KRB5KRB_ERR_GENERIC;
565 krb5_rc_default(krb5_context con, krb5_rcache *rc)
570 if ( p_krb5_rc_default )
571 return(p_krb5_rc_default(con,rc));
573 return KRB5KRB_ERR_GENERIC;
577 krb5_rc_initialize(krb5_context con, krb5_rcache rc, krb5_deltat lifespan)
582 if ( p_krb5_rc_initialize )
583 return(p_krb5_rc_initialize(con, rc, lifespan));
585 return KRB5KRB_ERR_GENERIC;
589 krb5_rc_get_lifespan(krb5_context con, krb5_rcache rc, krb5_deltat *lifespanp)
594 if ( p_krb5_rc_get_lifespan )
595 return(p_krb5_rc_get_lifespan(con, rc, lifespanp));
597 return KRB5KRB_ERR_GENERIC;
601 krb5_rc_destroy(krb5_context con, krb5_rcache rc)
606 if ( p_krb5_rc_destroy )
607 return(p_krb5_rc_destroy(con, rc));
609 return KRB5KRB_ERR_GENERIC;
613 krb5_checksum_size(krb5_context context,krb5_cksumtype ctype)
618 if ( p_krb5_checksum_size )
619 return(p_krb5_checksum_size(context, ctype));
621 return KRB5KRB_ERR_GENERIC;
625 valid_cksumtype(krb5_cksumtype ctype)
630 if ( p_valid_cksumtype )
631 return(p_valid_cksumtype(ctype));
633 return KRB5KRB_ERR_GENERIC;
637 krb5_kt_free_entry(krb5_context con,krb5_keytab_entry * entry)
642 if ( p_krb5_kt_free_entry )
643 return(p_krb5_kt_free_entry(con,entry));
645 return KRB5KRB_ERR_GENERIC;
648 /* Structure definitions */
649 #ifndef NO_DEF_KRB5_CCACHE
651 #define krb5_x(ptr,args) ((ptr)?((*(ptr)) args):(abort(),1))
652 #define krb5_xc(ptr,args) ((ptr)?((*(ptr)) args):(abort(),(char*)0))
655 typedef krb5_pointer krb5_cc_cursor; /* cursor for sequential lookup */
657 typedef struct _krb5_ccache
660 struct _krb5_cc_ops FAR *ops;
664 typedef struct _krb5_cc_ops
668 char * (KRB5_CALLCONV *get_name)
669 (krb5_context, krb5_ccache);
670 krb5_error_code (KRB5_CALLCONV *resolve)
671 (krb5_context, krb5_ccache *, const char *);
672 krb5_error_code (KRB5_CALLCONV *gen_new)
673 (krb5_context, krb5_ccache *);
674 krb5_error_code (KRB5_CALLCONV *init)
675 (krb5_context, krb5_ccache, krb5_principal);
676 krb5_error_code (KRB5_CALLCONV *destroy)
677 (krb5_context, krb5_ccache);
678 krb5_error_code (KRB5_CALLCONV *close)
679 (krb5_context, krb5_ccache);
680 krb5_error_code (KRB5_CALLCONV *store)
681 (krb5_context, krb5_ccache, krb5_creds *);
682 krb5_error_code (KRB5_CALLCONV *retrieve)
683 (krb5_context, krb5_ccache,
684 krb5_flags, krb5_creds *, krb5_creds *);
685 krb5_error_code (KRB5_CALLCONV *get_princ)
686 (krb5_context, krb5_ccache, krb5_principal *);
687 krb5_error_code (KRB5_CALLCONV *get_first)
688 (krb5_context, krb5_ccache, krb5_cc_cursor *);
689 krb5_error_code (KRB5_CALLCONV *get_next)
690 (krb5_context, krb5_ccache,
691 krb5_cc_cursor *, krb5_creds *);
692 krb5_error_code (KRB5_CALLCONV *end_get)
693 (krb5_context, krb5_ccache, krb5_cc_cursor *);
694 krb5_error_code (KRB5_CALLCONV *remove_cred)
695 (krb5_context, krb5_ccache,
696 krb5_flags, krb5_creds *);
697 krb5_error_code (KRB5_CALLCONV *set_flags)
698 (krb5_context, krb5_ccache, krb5_flags);
700 #endif /* NO_DEF_KRB5_CCACHE */
703 kssl_krb5_cc_get_principal
704 (krb5_context context, krb5_ccache cache,
705 krb5_principal *principal)
707 if ( p_krb5_cc_get_principal )
708 return(p_krb5_cc_get_principal(context,cache,principal));
711 ((cache)->ops->get_princ,(context, cache, principal)));
715 kssl_krb5_auth_con_setrcache(krb5_context con, krb5_auth_context acon,
718 if ( p_krb5_auth_con_setrcache )
719 return(p_krb5_auth_con_setrcache(con,acon,rcache));
721 return KRB5KRB_ERR_GENERIC;
725 kssl_krb5_get_server_rcache(krb5_context con, krb5_const krb5_data * data,
726 krb5_rcache * rcache)
728 if ( p_krb5_get_server_rcache )
729 return(p_krb5_get_server_rcache(con,data,rcache));
731 return KRB5KRB_ERR_GENERIC;
735 kssl_krb5_auth_con_getrcache(krb5_context con, krb5_auth_context acon,
736 krb5_rcache * prcache)
738 if ( p_krb5_auth_con_getrcache )
739 return(p_krb5_auth_con_getrcache(con,acon, prcache));
741 return KRB5KRB_ERR_GENERIC;
745 kssl_krb5_kt_close(krb5_context context, krb5_keytab keytab)
747 if ( p_krb5_kt_close )
748 return(p_krb5_kt_close(context,keytab));
750 return KRB5KRB_ERR_GENERIC;
754 kssl_krb5_kt_get_entry(krb5_context context, krb5_keytab keytab,
755 krb5_const_principal principal, krb5_kvno vno,
756 krb5_enctype enctype, krb5_keytab_entry *entry)
758 if ( p_krb5_kt_get_entry )
759 return(p_krb5_kt_get_entry(context,keytab,principal,vno,enctype,entry));
761 return KRB5KRB_ERR_GENERIC;
763 #endif /* OPENSSL_SYS_WINDOWS || OPENSSL_SYS_WIN32 */
766 *kstring(char *string)
768 static char *null = "[NULL]";
770 return ((string == NULL)? null: string);
775 *knumber(int len, krb5_octet *contents)
777 static char buf[MAXKNUM+1];
780 BIO_snprintf(buf, MAXKNUM, "[%d] ", len);
782 for (i=0; i < len && MAXKNUM > strlen(buf)+3; i++)
784 BIO_snprintf(&buf[strlen(buf)], 3, "%02x", contents[i]);
791 /* Given KRB5 enctype (basically DES or 3DES),
792 ** return closest match openssl EVP_ encryption algorithm.
793 ** Return NULL for unknown or problematic (krb5_dk_encrypt) enctypes.
794 ** Assume ENCTYPE_*_RAW (krb5_raw_encrypt) are OK.
797 kssl_map_enc(krb5_enctype enctype)
801 case ENCTYPE_DES_HMAC_SHA1: /* EVP_des_cbc(); */
802 case ENCTYPE_DES_CBC_CRC:
803 case ENCTYPE_DES_CBC_MD4:
804 case ENCTYPE_DES_CBC_MD5:
805 case ENCTYPE_DES_CBC_RAW:
806 return (EVP_CIPHER *) EVP_des_cbc();
808 case ENCTYPE_DES3_CBC_SHA1: /* EVP_des_ede3_cbc(); */
809 case ENCTYPE_DES3_CBC_SHA:
810 case ENCTYPE_DES3_CBC_RAW:
811 return (EVP_CIPHER *) EVP_des_ede3_cbc();
813 default: return (EVP_CIPHER *) NULL;
819 /* Return true:1 if p "looks like" the start of the real authenticator
820 ** described in kssl_skip_confound() below. The ASN.1 pattern is
821 ** "62 xx 30 yy" (APPLICATION-2, SEQUENCE), where xx-yy =~ 2, and
822 ** xx and yy are possibly multi-byte length fields.
824 int kssl_test_confound(unsigned char *p)
829 if (*p++ != 0x62) return 0;
830 if (*p > 0x82) return 0;
832 case 0x82: p++; xx = (*p++ << 8); xx += *p++; break;
833 case 0x81: p++; xx = *p++; break;
835 default: xx = *p++; break;
837 if (*p++ != 0x30) return 0;
838 if (*p > 0x82) return 0;
840 case 0x82: p++; len+=2; yy = (*p++ << 8); yy += *p++; break;
841 case 0x81: p++; len++; yy = *p++; break;
843 default: yy = *p++; break;
846 return (xx - len == yy)? 1: 0;
849 /* Allocate, fill, and return cksumlens array of checksum lengths.
850 ** This array holds just the unique elements from the krb5_cksumarray[].
851 ** array[n] == 0 signals end of data.
853 ** The krb5_cksumarray[] was an internal variable that has since been
854 ** replaced by a more general method for storing the data. It should
855 ** not be used. Instead we use real API calls and make a guess for
856 ** what the highest assigned CKSUMTYPE_ constant is. As of 1.2.2
857 ** it is 0x000c (CKSUMTYPE_HMAC_SHA1_DES3). So we will use 0x0010.
859 size_t *populate_cksumlens(void)
862 static size_t *cklens = NULL;
864 #ifdef KRB5_MIT_OLD11
868 #endif /* KRB5_MIT_OLD11 */
871 if (!cklens && !(cklens = (size_t *) calloc(sizeof(int),n+1))) return NULL;
873 for (i=0; i < n; i++) {
874 if (!valid_cksumtype(i)) continue; /* array has holes */
875 for (j=0; j < n; j++) {
876 if (cklens[j] == 0) {
877 cklens[j] = krb5_checksum_size(NULL,i);
878 break; /* krb5 elem was new: add */
880 if (cklens[j] == krb5_checksum_size(NULL,i)) {
881 break; /* ignore duplicate elements */
885 #endif /* KRB5CHECKAUTH */
890 /* Return pointer to start of real authenticator within authenticator, or
891 ** return NULL on error.
892 ** Decrypted authenticator looks like this:
893 ** [0 or 8 byte confounder] [4-24 byte checksum] [real authent'r]
894 ** This hackery wouldn't be necessary if MIT KRB5 1.0.6 had the
895 ** krb5_auth_con_getcksumtype() function advertised in its krb5.h.
897 unsigned char *kssl_skip_confound(krb5_enctype etype, unsigned char *a)
901 static size_t *cksumlens = NULL;
902 unsigned char *test_auth;
904 conlen = (etype)? 8: 0;
906 if (!cksumlens && !(cksumlens = populate_cksumlens())) return NULL;
907 for (i=0; (cklen = cksumlens[i]) != 0; i++)
909 test_auth = a + conlen + cklen;
910 if (kssl_test_confound(test_auth)) return test_auth;
917 /* Set kssl_err error info when reason text is a simple string
918 ** kssl_err = struct { int reason; char text[KSSL_ERR_MAX+1]; }
921 kssl_err_set(KSSL_ERR *kssl_err, int reason, char *text)
923 if (kssl_err == NULL) return;
925 kssl_err->reason = reason;
926 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX, text);
931 /* Display contents of krb5_data struct, for debugging
934 print_krb5_data(char *label, krb5_data *kdata)
938 printf("%s[%d] ", label, kdata->length);
939 for (i=0; i < kdata->length; i++)
941 if (0 && isprint((int) kdata->data[i]))
942 printf( "%c ", kdata->data[i]);
944 printf( "%02x ", (unsigned char) kdata->data[i]);
950 /* Display contents of krb5_authdata struct, for debugging
953 print_krb5_authdata(char *label, krb5_authdata **adata)
957 printf("%s, authdata==0\n", label);
960 printf("%s [%p]\n", label, adata);
964 printf("%s[at%d:%d] ", label, adata->ad_type, adata->length);
965 for (i=0; i < adata->length; i++)
967 printf((isprint(adata->contents[i]))? "%c ": "%02x",
976 /* Display contents of krb5_keyblock struct, for debugging
979 print_krb5_keyblock(char *label, krb5_keyblock *keyblk)
985 printf("%s, keyblk==0\n", label);
989 printf("%s\n\t[et%d:%d]: ", label, keyblk->keytype,
990 keyblk->keyvalue->length);
991 for (i=0; i < keyblk->keyvalue->length; i++)
993 printf("%02x",(unsigned char *)(keyblk->keyvalue->contents)[i]);
997 printf("%s\n\t[et%d:%d]: ", label, keyblk->enctype, keyblk->length);
998 for (i=0; i < keyblk->length; i++)
1000 printf("%02x",keyblk->contents[i]);
1007 /* Display contents of krb5_principal_data struct, for debugging
1008 ** (krb5_principal is typedef'd == krb5_principal_data *)
1011 print_krb5_princ(char *label, krb5_principal_data *princ)
1013 unsigned int ui, uj;
1016 printf("%s principal Realm: ", label);
1017 if (princ == NULL) return;
1018 for (ui=0; ui < princ->realm.length; ui++) putchar(princ->realm.data[ui]);
1019 printf(" (nametype %d) has %d strings:\n", princ->type,princ->length);
1020 for (i=0; i < princ->length; i++)
1022 printf("\t%d [%d]: ", i, princ->data[i].length);
1023 for (uj=0; uj < princ->data[i].length; uj++) {
1024 putchar(princ->data[i].data[uj]);
1032 /* Given krb5 service (typically "kssl") and hostname in kssl_ctx,
1033 ** Return encrypted Kerberos ticket for service @ hostname.
1034 ** If authenp is non-NULL, also return encrypted authenticator,
1035 ** whose data should be freed by caller.
1036 ** (Originally was: Create Kerberos AP_REQ message for SSL Client.)
1038 ** 19990628 VRS Started; Returns Kerberos AP_REQ message.
1039 ** 20010409 VRS Modified for RFC2712; Returns enc tkt.
1040 ** 20010606 VRS May also return optional authenticator.
1043 kssl_cget_tkt( /* UPDATE */ KSSL_CTX *kssl_ctx,
1044 /* OUT */ krb5_data **enc_ticketp,
1045 /* UPDATE */ krb5_data *authenp,
1046 /* OUT */ KSSL_ERR *kssl_err)
1048 krb5_error_code krb5rc = KRB5KRB_ERR_GENERIC;
1049 krb5_context krb5context = NULL;
1050 krb5_auth_context krb5auth_context = NULL;
1051 krb5_ccache krb5ccdef = NULL;
1052 krb5_creds krb5creds, *krb5credsp = NULL;
1053 krb5_data krb5_app_req;
1055 kssl_err_set(kssl_err, 0, "");
1056 memset((char *)&krb5creds, 0, sizeof(krb5creds));
1060 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1061 "No kssl_ctx defined.\n");
1064 else if (!kssl_ctx->service_host)
1066 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1067 "kssl_ctx service_host undefined.\n");
1071 if ((krb5rc = krb5_init_context(&krb5context)) != 0)
1073 BIO_snprintf(kssl_err->text,KSSL_ERR_MAX,
1074 "krb5_init_context() fails: %d\n", krb5rc);
1075 kssl_err->reason = SSL_R_KRB5_C_INIT;
1079 if ((krb5rc = krb5_sname_to_principal(krb5context,
1080 kssl_ctx->service_host,
1081 (kssl_ctx->service_name)? kssl_ctx->service_name: KRB5SVC,
1082 KRB5_NT_SRV_HST, &krb5creds.server)) != 0)
1084 BIO_snprintf(kssl_err->text,KSSL_ERR_MAX,
1085 "krb5_sname_to_principal() fails for %s/%s\n",
1086 kssl_ctx->service_host,
1087 (kssl_ctx->service_name)? kssl_ctx->service_name:
1089 kssl_err->reason = SSL_R_KRB5_C_INIT;
1093 if ((krb5rc = krb5_cc_default(krb5context, &krb5ccdef)) != 0)
1095 kssl_err_set(kssl_err, SSL_R_KRB5_C_CC_PRINC,
1096 "krb5_cc_default fails.\n");
1100 if ((krb5rc = krb5_cc_get_principal(krb5context, krb5ccdef,
1101 &krb5creds.client)) != 0)
1103 kssl_err_set(kssl_err, SSL_R_KRB5_C_CC_PRINC,
1104 "krb5_cc_get_principal() fails.\n");
1108 if ((krb5rc = krb5_get_credentials(krb5context, 0, krb5ccdef,
1109 &krb5creds, &krb5credsp)) != 0)
1111 kssl_err_set(kssl_err, SSL_R_KRB5_C_GET_CRED,
1112 "krb5_get_credentials() fails.\n");
1116 *enc_ticketp = &krb5credsp->ticket;
1118 kssl_ctx->enctype = krb5credsp->session.keytype;
1120 kssl_ctx->enctype = krb5credsp->keyblock.enctype;
1123 krb5rc = KRB5KRB_ERR_GENERIC;
1124 /* caller should free data of krb5_app_req */
1125 /* 20010406 VRS deleted for real KerberosWrapper
1126 ** 20010605 VRS reinstated to offer Authenticator to KerberosWrapper
1128 krb5_app_req.length = 0;
1131 krb5_data krb5in_data;
1134 KRB5_APREQBODY *ap_req;
1136 authenp->length = 0;
1137 krb5in_data.data = NULL;
1138 krb5in_data.length = 0;
1139 if ((krb5rc = krb5_mk_req_extended(krb5context,
1140 &krb5auth_context, 0, &krb5in_data, krb5credsp,
1141 &krb5_app_req)) != 0)
1143 kssl_err_set(kssl_err, SSL_R_KRB5_C_MK_REQ,
1144 "krb5_mk_req_extended() fails.\n");
1148 arlen = krb5_app_req.length;
1149 p = (unsigned char *)krb5_app_req.data;
1150 ap_req = (KRB5_APREQBODY *) d2i_KRB5_APREQ(NULL, &p, arlen);
1153 authenp->length = i2d_KRB5_ENCDATA(
1154 ap_req->authenticator, NULL);
1155 if (authenp->length &&
1156 (authenp->data = malloc(authenp->length)))
1158 unsigned char *adp = (unsigned char *)authenp->data;
1159 authenp->length = i2d_KRB5_ENCDATA(
1160 ap_req->authenticator, &adp);
1164 if (ap_req) KRB5_APREQ_free((KRB5_APREQ *) ap_req);
1165 if (krb5_app_req.length)
1166 kssl_krb5_free_data_contents(krb5context,&krb5_app_req);
1169 if (kssl_ctx_setkey(kssl_ctx, &krb5credsp->session))
1171 kssl_err_set(kssl_err, SSL_R_KRB5_C_INIT,
1172 "kssl_ctx_setkey() fails.\n");
1175 if (kssl_ctx_setkey(kssl_ctx, &krb5credsp->keyblock))
1177 kssl_err_set(kssl_err, SSL_R_KRB5_C_INIT,
1178 "kssl_ctx_setkey() fails.\n");
1185 kssl_ctx_show(kssl_ctx);
1186 #endif /* KSSL_DEBUG */
1188 if (krb5creds.client) krb5_free_principal(krb5context,
1190 if (krb5creds.server) krb5_free_principal(krb5context,
1192 if (krb5auth_context) krb5_auth_con_free(krb5context,
1194 if (krb5context) krb5_free_context(krb5context);
1199 /* Given d2i_-decoded asn1ticket, allocate and return a new krb5_ticket.
1200 ** Return Kerberos error code and kssl_err struct on error.
1201 ** Allocates krb5_ticket and krb5_principal; caller should free these.
1203 ** 20010410 VRS Implemented krb5_decode_ticket() as
1204 ** old_krb5_decode_ticket(). Missing from MIT1.0.6.
1205 ** 20010615 VRS Re-cast as openssl/asn1 d2i_*() functions.
1206 ** Re-used some of the old krb5_decode_ticket()
1207 ** code here. This tkt should alloc/free just
1208 ** like the real thing.
1211 kssl_TKT2tkt( /* IN */ krb5_context krb5context,
1212 /* IN */ KRB5_TKTBODY *asn1ticket,
1213 /* OUT */ krb5_ticket **krb5ticket,
1214 /* OUT */ KSSL_ERR *kssl_err )
1216 krb5_error_code krb5rc = KRB5KRB_ERR_GENERIC;
1217 krb5_ticket *new5ticket = NULL;
1218 ASN1_GENERALSTRING *gstr_svc, *gstr_host;
1222 if (asn1ticket == NULL || asn1ticket->realm == NULL ||
1223 asn1ticket->sname == NULL ||
1224 asn1ticket->sname->namestring == NULL ||
1225 asn1ticket->sname->namestring->num < 2)
1227 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1228 "Null field in asn1ticket.\n");
1229 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1230 return KRB5KRB_ERR_GENERIC;
1233 if ((new5ticket = (krb5_ticket *) calloc(1, sizeof(krb5_ticket)))==NULL)
1235 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1236 "Unable to allocate new krb5_ticket.\n");
1237 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1238 return ENOMEM; /* or KRB5KRB_ERR_GENERIC; */
1241 gstr_svc = (ASN1_GENERALSTRING*)asn1ticket->sname->namestring->data[0];
1242 gstr_host = (ASN1_GENERALSTRING*)asn1ticket->sname->namestring->data[1];
1244 if ((krb5rc = kssl_build_principal_2(krb5context,
1245 &new5ticket->server,
1246 asn1ticket->realm->length, asn1ticket->realm->data,
1247 gstr_svc->length, gstr_svc->data,
1248 gstr_host->length, gstr_host->data)) != 0)
1251 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1252 "Error building ticket server principal.\n");
1253 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1254 return krb5rc; /* or KRB5KRB_ERR_GENERIC; */
1257 krb5_princ_type(krb5context, new5ticket->server) =
1258 asn1ticket->sname->nametype->data[0];
1259 new5ticket->enc_part.enctype = asn1ticket->encdata->etype->data[0];
1260 new5ticket->enc_part.kvno = asn1ticket->encdata->kvno->data[0];
1261 new5ticket->enc_part.ciphertext.length =
1262 asn1ticket->encdata->cipher->length;
1263 if ((new5ticket->enc_part.ciphertext.data =
1264 calloc(1, asn1ticket->encdata->cipher->length)) == NULL)
1267 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1268 "Error allocating cipher in krb5ticket.\n");
1269 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1270 return KRB5KRB_ERR_GENERIC;
1274 memcpy(new5ticket->enc_part.ciphertext.data,
1275 asn1ticket->encdata->cipher->data,
1276 asn1ticket->encdata->cipher->length);
1279 *krb5ticket = new5ticket;
1284 /* Given krb5 service name in KSSL_CTX *kssl_ctx (typically "kssl"),
1285 ** and krb5 AP_REQ message & message length,
1286 ** Return Kerberos session key and client principle
1287 ** to SSL Server in KSSL_CTX *kssl_ctx.
1289 ** 19990702 VRS Started.
1292 kssl_sget_tkt( /* UPDATE */ KSSL_CTX *kssl_ctx,
1293 /* IN */ krb5_data *indata,
1294 /* OUT */ krb5_ticket_times *ttimes,
1295 /* OUT */ KSSL_ERR *kssl_err )
1297 krb5_error_code krb5rc = KRB5KRB_ERR_GENERIC;
1298 static krb5_context krb5context = NULL;
1299 static krb5_auth_context krb5auth_context = NULL;
1300 krb5_ticket *krb5ticket = NULL;
1301 KRB5_TKTBODY *asn1ticket = NULL;
1303 krb5_keytab krb5keytab = NULL;
1304 krb5_keytab_entry kt_entry;
1305 krb5_principal krb5server;
1306 krb5_rcache rcache = NULL;
1308 kssl_err_set(kssl_err, 0, "");
1312 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1313 "No kssl_ctx defined.\n");
1318 printf("in kssl_sget_tkt(%s)\n", kstring(kssl_ctx->service_name));
1319 #endif /* KSSL_DEBUG */
1321 if (!krb5context && (krb5rc = krb5_init_context(&krb5context)))
1323 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1324 "krb5_init_context() fails.\n");
1327 if (krb5auth_context &&
1328 (krb5rc = krb5_auth_con_free(krb5context, krb5auth_context)))
1330 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1331 "krb5_auth_con_free() fails.\n");
1334 else krb5auth_context = NULL;
1335 if (!krb5auth_context &&
1336 (krb5rc = krb5_auth_con_init(krb5context, &krb5auth_context)))
1338 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1339 "krb5_auth_con_init() fails.\n");
1344 if ((krb5rc = krb5_auth_con_getrcache(krb5context, krb5auth_context,
1347 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1348 "krb5_auth_con_getrcache() fails.\n");
1352 if ((krb5rc = krb5_sname_to_principal(krb5context, NULL,
1353 (kssl_ctx->service_name)? kssl_ctx->service_name: KRB5SVC,
1354 KRB5_NT_SRV_HST, &krb5server)) != 0)
1356 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1357 "krb5_sname_to_principal() fails.\n");
1363 if ((krb5rc = krb5_get_server_rcache(krb5context,
1364 krb5_princ_component(krb5context, krb5server, 0),
1367 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1368 "krb5_get_server_rcache() fails.\n");
1373 if ((krb5rc = krb5_auth_con_setrcache(krb5context, krb5auth_context, rcache)))
1375 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1376 "krb5_auth_con_setrcache() fails.\n");
1381 /* kssl_ctx->keytab_file == NULL ==> use Kerberos default
1383 if (kssl_ctx->keytab_file)
1385 krb5rc = krb5_kt_resolve(krb5context, kssl_ctx->keytab_file,
1389 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1390 "krb5_kt_resolve() fails.\n");
1396 krb5rc = krb5_kt_default(krb5context,&krb5keytab);
1399 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1400 "krb5_kt_default() fails.\n");
1405 /* Actual Kerberos5 krb5_recvauth() has initial conversation here
1406 ** o check KRB5_SENDAUTH_BADAUTHVERS
1407 ** unless KRB5_RECVAUTH_SKIP_VERSION
1408 ** o check KRB5_SENDAUTH_BADAPPLVERS
1409 ** o send "0" msg if all OK
1412 /* 20010411 was using AP_REQ instead of true KerberosWrapper
1414 ** if ((krb5rc = krb5_rd_req(krb5context, &krb5auth_context,
1415 ** &krb5in_data, krb5server, krb5keytab,
1416 ** &ap_option, &krb5ticket)) != 0) { Error }
1419 p = (unsigned char *)indata->data;
1420 if ((asn1ticket = (KRB5_TKTBODY *) d2i_KRB5_TICKET(NULL, &p,
1421 (long) indata->length)) == NULL)
1423 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1424 "d2i_KRB5_TICKET() ASN.1 decode failure.\n");
1425 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1429 /* Was: krb5rc = krb5_decode_ticket(krb5in_data,&krb5ticket)) != 0) */
1430 if ((krb5rc = kssl_TKT2tkt(krb5context, asn1ticket, &krb5ticket,
1433 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1434 "Error converting ASN.1 ticket to krb5_ticket.\n");
1435 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1439 if (! krb5_principal_compare(krb5context, krb5server,
1440 krb5ticket->server)) {
1441 krb5rc = KRB5_PRINC_NOMATCH;
1442 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1443 "server principal != ticket principal\n");
1444 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1447 if ((krb5rc = krb5_kt_get_entry(krb5context, krb5keytab,
1448 krb5ticket->server, krb5ticket->enc_part.kvno,
1449 krb5ticket->enc_part.enctype, &kt_entry)) != 0) {
1450 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1451 "krb5_kt_get_entry() fails with %x.\n", krb5rc);
1452 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1455 if ((krb5rc = krb5_decrypt_tkt_part(krb5context, &kt_entry.key,
1456 krb5ticket)) != 0) {
1457 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1458 "krb5_decrypt_tkt_part() failed.\n");
1459 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1463 krb5_kt_free_entry(krb5context, &kt_entry);
1466 int i; krb5_address **paddr = krb5ticket->enc_part2->caddrs;
1467 printf("Decrypted ticket fields:\n");
1468 printf("\tflags: %X, transit-type: %X",
1469 krb5ticket->enc_part2->flags,
1470 krb5ticket->enc_part2->transited.tr_type);
1471 print_krb5_data("\ttransit-data: ",
1472 &(krb5ticket->enc_part2->transited.tr_contents));
1473 printf("\tcaddrs: %p, authdata: %p\n",
1474 krb5ticket->enc_part2->caddrs,
1475 krb5ticket->enc_part2->authorization_data);
1478 printf("\tcaddrs:\n");
1479 for (i=0; paddr[i] != NULL; i++)
1482 d.length=paddr[i]->length;
1483 d.data=paddr[i]->contents;
1484 print_krb5_data("\t\tIP: ", &d);
1487 printf("\tstart/auth/end times: %d / %d / %d\n",
1488 krb5ticket->enc_part2->times.starttime,
1489 krb5ticket->enc_part2->times.authtime,
1490 krb5ticket->enc_part2->times.endtime);
1492 #endif /* KSSL_DEBUG */
1495 krb5rc = KRB5_NO_TKT_SUPPLIED;
1496 if (!krb5ticket || !krb5ticket->enc_part2 ||
1497 !krb5ticket->enc_part2->client ||
1498 !krb5ticket->enc_part2->client->data ||
1499 !krb5ticket->enc_part2->session)
1501 kssl_err_set(kssl_err, SSL_R_KRB5_S_BAD_TICKET,
1502 "bad ticket from krb5_rd_req.\n");
1504 else if (kssl_ctx_setprinc(kssl_ctx, KSSL_CLIENT,
1505 &krb5ticket->enc_part2->client->realm,
1506 krb5ticket->enc_part2->client->data))
1508 kssl_err_set(kssl_err, SSL_R_KRB5_S_BAD_TICKET,
1509 "kssl_ctx_setprinc() fails.\n");
1511 else if (kssl_ctx_setkey(kssl_ctx, krb5ticket->enc_part2->session))
1513 kssl_err_set(kssl_err, SSL_R_KRB5_S_BAD_TICKET,
1514 "kssl_ctx_setkey() fails.\n");
1516 else if (krb5ticket->enc_part2->flags & TKT_FLG_INVALID)
1518 krb5rc = KRB5KRB_AP_ERR_TKT_INVALID;
1519 kssl_err_set(kssl_err, SSL_R_KRB5_S_BAD_TICKET,
1520 "invalid ticket from krb5_rd_req.\n");
1524 kssl_ctx->enctype = krb5ticket->enc_part.enctype;
1525 ttimes->authtime = krb5ticket->enc_part2->times.authtime;
1526 ttimes->starttime = krb5ticket->enc_part2->times.starttime;
1527 ttimes->endtime = krb5ticket->enc_part2->times.endtime;
1528 ttimes->renew_till = krb5ticket->enc_part2->times.renew_till;
1532 kssl_ctx_show(kssl_ctx);
1533 #endif /* KSSL_DEBUG */
1535 if (asn1ticket) KRB5_TICKET_free((KRB5_TICKET *) asn1ticket);
1536 if (krb5keytab) krb5_kt_close(krb5context, krb5keytab);
1537 if (krb5ticket) krb5_free_ticket(krb5context, krb5ticket);
1538 if (krb5server) krb5_free_principal(krb5context, krb5server);
1543 /* Allocate & return a new kssl_ctx struct.
1548 return ((KSSL_CTX *) calloc(1, sizeof(KSSL_CTX)));
1552 /* Frees a kssl_ctx struct and any allocated memory it holds.
1556 kssl_ctx_free(KSSL_CTX *kssl_ctx)
1558 if (kssl_ctx == NULL) return kssl_ctx;
1560 if (kssl_ctx->key) memset(kssl_ctx->key, 0,
1562 if (kssl_ctx->key) free(kssl_ctx->key);
1563 if (kssl_ctx->client_princ) free(kssl_ctx->client_princ);
1564 if (kssl_ctx->service_host) free(kssl_ctx->service_host);
1565 if (kssl_ctx->service_name) free(kssl_ctx->service_name);
1566 if (kssl_ctx->keytab_file) free(kssl_ctx->keytab_file);
1569 return (KSSL_CTX *) NULL;
1573 /* Given a (krb5_data *) entity (and optional realm),
1574 ** set the plain (char *) client_princ or service_host member
1575 ** of the kssl_ctx struct.
1578 kssl_ctx_setprinc(KSSL_CTX *kssl_ctx, int which,
1579 krb5_data *realm, krb5_data *entity)
1584 if (kssl_ctx == NULL || entity == NULL) return KSSL_CTX_ERR;
1588 case KSSL_CLIENT: princ = &kssl_ctx->client_princ; break;
1589 case KSSL_SERVER: princ = &kssl_ctx->service_host; break;
1590 default: return KSSL_CTX_ERR; break;
1592 if (*princ) free(*princ);
1594 length = entity->length + ((realm)? realm->length + 2: 1);
1595 if ((*princ = calloc(1, length)) == NULL)
1596 return KSSL_CTX_ERR;
1599 strncpy(*princ, entity->data, entity->length);
1600 (*princ)[entity->length]='\0';
1603 strcat (*princ, "@");
1604 (void) strncat(*princ, realm->data, realm->length);
1605 (*princ)[entity->length+1+realm->length]='\0';
1613 /* Set one of the plain (char *) string members of the kssl_ctx struct.
1614 ** Default values should be:
1615 ** which == KSSL_SERVICE => "khost" (KRB5SVC)
1616 ** which == KSSL_KEYTAB => "/etc/krb5.keytab" (KRB5KEYTAB)
1619 kssl_ctx_setstring(KSSL_CTX *kssl_ctx, int which, char *text)
1623 if (!kssl_ctx) return KSSL_CTX_ERR;
1627 case KSSL_SERVICE: string = &kssl_ctx->service_name; break;
1628 case KSSL_SERVER: string = &kssl_ctx->service_host; break;
1629 case KSSL_CLIENT: string = &kssl_ctx->client_princ; break;
1630 case KSSL_KEYTAB: string = &kssl_ctx->keytab_file; break;
1631 default: return KSSL_CTX_ERR; break;
1633 if (*string) free(*string);
1641 if ((*string = calloc(1, strlen(text) + 1)) == NULL)
1642 return KSSL_CTX_ERR;
1644 strcpy(*string, text);
1650 /* Copy the Kerberos session key from a (krb5_keyblock *) to a kssl_ctx
1651 ** struct. Clear kssl_ctx->key if Kerberos session key is NULL.
1654 kssl_ctx_setkey(KSSL_CTX *kssl_ctx, krb5_keyblock *session)
1657 krb5_enctype enctype;
1658 krb5_octet FAR *contents = NULL;
1660 if (!kssl_ctx) return KSSL_CTX_ERR;
1664 memset(kssl_ctx->key, 0, kssl_ctx->length);
1665 free(kssl_ctx->key);
1672 length = session->keyvalue->length;
1673 enctype = session->keytype;
1674 contents = session->keyvalue->contents;
1676 length = session->length;
1677 enctype = session->enctype;
1678 contents = session->contents;
1680 kssl_ctx->enctype = enctype;
1681 kssl_ctx->length = length;
1685 kssl_ctx->enctype = ENCTYPE_UNKNOWN;
1686 kssl_ctx->length = 0;
1690 if ((kssl_ctx->key =
1691 (krb5_octet FAR *) calloc(1, kssl_ctx->length)) == NULL)
1693 kssl_ctx->length = 0;
1694 return KSSL_CTX_ERR;
1697 memcpy(kssl_ctx->key, contents, length);
1703 /* Display contents of kssl_ctx struct
1706 kssl_ctx_show(KSSL_CTX *kssl_ctx)
1710 printf("kssl_ctx: ");
1711 if (kssl_ctx == NULL)
1717 printf("%p\n", kssl_ctx);
1719 printf("\tservice:\t%s\n",
1720 (kssl_ctx->service_name)? kssl_ctx->service_name: "NULL");
1721 printf("\tclient:\t%s\n",
1722 (kssl_ctx->client_princ)? kssl_ctx->client_princ: "NULL");
1723 printf("\tserver:\t%s\n",
1724 (kssl_ctx->service_host)? kssl_ctx->service_host: "NULL");
1725 printf("\tkeytab:\t%s\n",
1726 (kssl_ctx->keytab_file)? kssl_ctx->keytab_file: "NULL");
1727 printf("\tkey [%d:%d]:\t",
1728 kssl_ctx->enctype, kssl_ctx->length);
1730 for (i=0; i < kssl_ctx->length && kssl_ctx->key; i++)
1732 printf("%02x", kssl_ctx->key[i]);
1739 kssl_keytab_is_available(KSSL_CTX *kssl_ctx)
1741 krb5_context krb5context = NULL;
1742 krb5_keytab krb5keytab = NULL;
1743 krb5_keytab_entry entry;
1744 krb5_principal princ = NULL;
1745 krb5_error_code krb5rc = KRB5KRB_ERR_GENERIC;
1748 if ((krb5rc = krb5_init_context(&krb5context)))
1751 /* kssl_ctx->keytab_file == NULL ==> use Kerberos default
1753 if (kssl_ctx->keytab_file)
1755 krb5rc = krb5_kt_resolve(krb5context, kssl_ctx->keytab_file,
1762 krb5rc = krb5_kt_default(krb5context,&krb5keytab);
1767 /* the host key we are looking for */
1768 krb5rc = krb5_sname_to_principal(krb5context, NULL,
1769 kssl_ctx->service_name ? kssl_ctx->service_name: KRB5SVC,
1770 KRB5_NT_SRV_HST, &princ);
1772 krb5rc = krb5_kt_get_entry(krb5context, krb5keytab,
1775 0 /* IGNORE_ENCTYPE */,
1777 if ( krb5rc == KRB5_KT_NOTFOUND ) {
1780 } else if ( krb5rc )
1783 krb5_kt_free_entry(krb5context, &entry);
1787 if (krb5keytab) krb5_kt_close(krb5context, krb5keytab);
1788 if (princ) krb5_free_principal(krb5context, princ);
1789 if (krb5context) krb5_free_context(krb5context);
1794 kssl_tgt_is_available(KSSL_CTX *kssl_ctx)
1796 krb5_error_code krb5rc = KRB5KRB_ERR_GENERIC;
1797 krb5_context krb5context = NULL;
1798 krb5_ccache krb5ccdef = NULL;
1799 krb5_creds krb5creds, *krb5credsp = NULL;
1802 memset((char *)&krb5creds, 0, sizeof(krb5creds));
1807 if (!kssl_ctx->service_host)
1810 if ((krb5rc = krb5_init_context(&krb5context)) != 0)
1813 if ((krb5rc = krb5_sname_to_principal(krb5context,
1814 kssl_ctx->service_host,
1815 (kssl_ctx->service_name)? kssl_ctx->service_name: KRB5SVC,
1816 KRB5_NT_SRV_HST, &krb5creds.server)) != 0)
1819 if ((krb5rc = krb5_cc_default(krb5context, &krb5ccdef)) != 0)
1822 if ((krb5rc = krb5_cc_get_principal(krb5context, krb5ccdef,
1823 &krb5creds.client)) != 0)
1826 if ((krb5rc = krb5_get_credentials(krb5context, 0, krb5ccdef,
1827 &krb5creds, &krb5credsp)) != 0)
1834 kssl_ctx_show(kssl_ctx);
1835 #endif /* KSSL_DEBUG */
1837 if (krb5creds.client) krb5_free_principal(krb5context, krb5creds.client);
1838 if (krb5creds.server) krb5_free_principal(krb5context, krb5creds.server);
1839 if (krb5context) krb5_free_context(krb5context);
1843 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_WIN32)
1844 void kssl_krb5_free_data_contents(krb5_context context, krb5_data *data)
1850 #elif defined(KRB5_MIT_OLD11)
1852 krb5_xfree(data->data);
1856 krb5_free_data_contents(NULL, data);
1859 #endif /* !OPENSSL_SYS_WINDOWS && !OPENSSL_SYS_WIN32 */
1862 /* Given pointers to KerberosTime and struct tm structs, convert the
1863 ** KerberosTime string to struct tm. Note that KerberosTime is a
1864 ** ASN1_GENERALIZEDTIME value, constrained to GMT with no fractional
1865 ** seconds as defined in RFC 1510.
1866 ** Return pointer to the (partially) filled in struct tm on success,
1867 ** return NULL on failure.
1869 struct tm *k_gmtime(ASN1_GENERALIZEDTIME *gtime, struct tm *k_tm)
1873 if (!k_tm) return NULL;
1874 if (gtime == NULL || gtime->length < 14) return NULL;
1875 if (gtime->data == NULL) return NULL;
1877 p = (char *)>ime->data[14];
1879 c = *p; *p = '\0'; p -= 2; k_tm->tm_sec = atoi(p); *(p+2) = c;
1880 c = *p; *p = '\0'; p -= 2; k_tm->tm_min = atoi(p); *(p+2) = c;
1881 c = *p; *p = '\0'; p -= 2; k_tm->tm_hour = atoi(p); *(p+2) = c;
1882 c = *p; *p = '\0'; p -= 2; k_tm->tm_mday = atoi(p); *(p+2) = c;
1883 c = *p; *p = '\0'; p -= 2; k_tm->tm_mon = atoi(p)-1; *(p+2) = c;
1884 c = *p; *p = '\0'; p -= 4; k_tm->tm_year = atoi(p)-1900; *(p+4) = c;
1890 /* Helper function for kssl_validate_times().
1891 ** We need context->clockskew, but krb5_context is an opaque struct.
1892 ** So we try to sneek the clockskew out through the replay cache.
1893 ** If that fails just return a likely default (300 seconds).
1895 krb5_deltat get_rc_clockskew(krb5_context context)
1898 krb5_deltat clockskew;
1900 if (krb5_rc_default(context, &rc)) return KSSL_CLOCKSKEW;
1901 if (krb5_rc_initialize(context, rc, 0)) return KSSL_CLOCKSKEW;
1902 if (krb5_rc_get_lifespan(context, rc, &clockskew)) {
1903 clockskew = KSSL_CLOCKSKEW;
1905 (void) krb5_rc_destroy(context, rc);
1910 /* kssl_validate_times() combines (and more importantly exposes)
1911 ** the MIT KRB5 internal function krb5_validate_times() and the
1912 ** in_clock_skew() macro. The authenticator client time is checked
1913 ** to be within clockskew secs of the current time and the current
1914 ** time is checked to be within the ticket start and expire times.
1915 ** Either check may be omitted by supplying a NULL value.
1916 ** Returns 0 for valid times, SSL_R_KRB5* error codes otherwise.
1917 ** See Also: (Kerberos source)/krb5/lib/krb5/krb/valid_times.c
1920 krb5_error_code kssl_validate_times( krb5_timestamp atime,
1921 krb5_ticket_times *ttimes)
1924 krb5_timestamp start, now;
1926 krb5_context context;
1928 if ((rc = krb5_init_context(&context))) return SSL_R_KRB5_S_BAD_TICKET;
1929 skew = get_rc_clockskew(context);
1930 if ((rc = krb5_timeofday(context,&now))) return SSL_R_KRB5_S_BAD_TICKET;
1931 krb5_free_context(context);
1933 if (atime && labs(atime - now) >= skew) return SSL_R_KRB5_S_TKT_SKEW;
1935 if (! ttimes) return 0;
1937 start = (ttimes->starttime != 0)? ttimes->starttime: ttimes->authtime;
1938 if (start - now > skew) return SSL_R_KRB5_S_TKT_NYV;
1939 if ((now - ttimes->endtime) > skew) return SSL_R_KRB5_S_TKT_EXPIRED;
1942 printf("kssl_validate_times: %d |<- | %d - %d | < %d ->| %d\n",
1943 start, atime, now, skew, ttimes->endtime);
1944 #endif /* KSSL_DEBUG */
1950 /* Decode and decrypt given DER-encoded authenticator, then pass
1951 ** authenticator ctime back in *atimep (or 0 if time unavailable).
1952 ** Returns krb5_error_code and kssl_err on error. A NULL
1953 ** authenticator (authentp->length == 0) is not considered an error.
1954 ** Note that kssl_check_authent() makes use of the KRB5 session key;
1955 ** you must call kssl_sget_tkt() to get the key before calling this routine.
1957 krb5_error_code kssl_check_authent(
1958 /* IN */ KSSL_CTX *kssl_ctx,
1959 /* IN */ krb5_data *authentp,
1960 /* OUT */ krb5_timestamp *atimep,
1961 /* OUT */ KSSL_ERR *kssl_err )
1963 krb5_error_code krb5rc = 0;
1964 KRB5_ENCDATA *dec_authent = NULL;
1965 KRB5_AUTHENTBODY *auth = NULL;
1966 krb5_enctype enctype;
1967 EVP_CIPHER_CTX ciph_ctx;
1968 EVP_CIPHER *enc = NULL;
1969 unsigned char iv[EVP_MAX_IV_LENGTH];
1970 unsigned char *p, *unenc_authent;
1971 int padl, outl, unencbufsize;
1972 struct tm tm_time, *tm_l, *tm_g;
1973 time_t now, tl, tg, tr, tz_offset;
1976 kssl_err_set(kssl_err, 0, "");
1978 #ifndef KRB5CHECKAUTH
1981 #if KRB5CHECKAUTH == 0
1984 #endif /* KRB5CHECKAUTH */
1986 if (authentp == NULL || authentp->length == 0) return 0;
1991 printf("kssl_check_authent: authenticator[%d]:\n",authentp->length);
1993 for (ui=0; ui < authentp->length; ui++) printf("%02x ",p[ui]);
1996 #endif /* KSSL_DEBUG */
1998 unencbufsize = 2 * authentp->length;
1999 if ((unenc_authent = calloc(1, unencbufsize)) == NULL)
2001 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2002 "Unable to allocate authenticator buffer.\n");
2003 krb5rc = KRB5KRB_ERR_GENERIC;
2007 p = (unsigned char *)authentp->data;
2008 if ((dec_authent = d2i_KRB5_ENCDATA(NULL, &p,
2009 (long) authentp->length)) == NULL)
2011 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2012 "Error decoding authenticator.\n");
2013 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2017 enctype = dec_authent->etype->data[0]; /* should = kssl_ctx->enctype */
2018 #if !defined(KRB5_MIT_OLD11)
2019 switch ( enctype ) {
2020 case ENCTYPE_DES3_CBC_SHA1: /* EVP_des_ede3_cbc(); */
2021 case ENCTYPE_DES3_CBC_SHA:
2022 case ENCTYPE_DES3_CBC_RAW:
2023 krb5rc = 0; /* Skip, can't handle derived keys */
2027 enc = kssl_map_enc(enctype);
2028 memset(iv, 0, EVP_MAX_IV_LENGTH); /* per RFC 1510 */
2032 /* Disable kssl_check_authent for ENCTYPE_DES3_CBC_SHA1.
2033 ** This enctype indicates the authenticator was encrypted
2034 ** using key-usage derived keys which openssl cannot decrypt.
2038 if (!EVP_DecryptInit_ex(&ciph_ctx, enc, NULL, kssl_ctx->key, iv))
2040 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2041 "EVP_DecryptInit_ex error decrypting authenticator.\n");
2042 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2045 if (!EVP_DecryptUpdate(&ciph_ctx, unenc_authent, &outl,
2046 dec_authent->cipher->data, dec_authent->cipher->length))
2048 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2049 "EVP_DecryptUpdate error decrypting authenticator.\n");
2050 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2053 if (outl > unencbufsize)
2055 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2056 "Buffer overflow decrypting authenticator.\n");
2057 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2060 if (!EVP_DecryptFinal_ex(&ciph_ctx, &(unenc_authent[outl]), &padl))
2062 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2063 "EVP_DecryptFinal_ex error decrypting authenticator.\n");
2064 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2068 if (outl > unencbufsize)
2070 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2071 "Buffer overflow decrypting authenticator.\n");
2072 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2075 EVP_CIPHER_CTX_cleanup(&ciph_ctx);
2078 printf("kssl_check_authent: decrypted authenticator[%d] =\n", outl);
2079 for (padl=0; padl < outl; padl++) printf("%02x ",unenc_authent[padl]);
2081 #endif /* KSSL_DEBUG */
2083 if ((p = kssl_skip_confound(enctype, unenc_authent)) == NULL)
2085 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2086 "confounded by authenticator.\n");
2087 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2090 outl -= p - unenc_authent;
2092 if ((auth = (KRB5_AUTHENTBODY *) d2i_KRB5_AUTHENT(NULL, &p,
2093 (long) outl))==NULL)
2095 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2096 "Error decoding authenticator body.\n");
2097 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2101 memset(&tm_time,0,sizeof(struct tm));
2102 if (k_gmtime(auth->ctime, &tm_time) &&
2103 ((tr = mktime(&tm_time)) != (time_t)(-1)))
2106 tm_l = localtime(&now); tl = mktime(tm_l);
2107 tm_g = gmtime(&now); tg = mktime(tm_g);
2108 tz_offset = tg - tl;
2110 *atimep = tr - tz_offset;
2114 printf("kssl_check_authent: returns %d for client time ", *atimep);
2115 if (auth && auth->ctime && auth->ctime->length && auth->ctime->data)
2116 printf("%.*s\n", auth->ctime->length, auth->ctime->data);
2117 else printf("NULL\n");
2118 #endif /* KSSL_DEBUG */
2121 if (auth) KRB5_AUTHENT_free((KRB5_AUTHENT *) auth);
2122 if (dec_authent) KRB5_ENCDATA_free(dec_authent);
2123 if (unenc_authent) free(unenc_authent);
2128 /* Replaces krb5_build_principal_ext(), with varargs length == 2 (svc, host),
2129 ** because I dont't know how to stub varargs.
2130 ** Returns krb5_error_code == ENOMEM on alloc error, otherwise
2131 ** passes back newly constructed principal, which should be freed by caller.
2133 krb5_error_code kssl_build_principal_2(
2134 /* UPDATE */ krb5_context context,
2135 /* OUT */ krb5_principal *princ,
2136 /* IN */ int rlen, const char *realm,
2137 /* IN */ int slen, const char *svc,
2138 /* IN */ int hlen, const char *host)
2140 krb5_data *p_data = NULL;
2141 krb5_principal new_p = NULL;
2144 if ((p_data = (krb5_data *) calloc(2, sizeof(krb5_data))) == NULL ||
2145 (new_p = (krb5_principal) calloc(1, sizeof(krb5_principal_data)))
2148 new_p->data = p_data;
2150 if ((new_r = calloc(1, rlen + 1)) == NULL) goto err;
2151 memcpy(new_r, realm, rlen);
2152 krb5_princ_set_realm_length(context, new_p, rlen);
2153 krb5_princ_set_realm_data(context, new_p, new_r);
2155 if ((new_p->data[0].data = calloc(1, slen + 1)) == NULL) goto err;
2156 memcpy(new_p->data[0].data, svc, slen);
2157 new_p->data[0].length = slen;
2159 if ((new_p->data[1].data = calloc(1, hlen + 1)) == NULL) goto err;
2160 memcpy(new_p->data[1].data, host, hlen);
2161 new_p->data[1].length = hlen;
2163 krb5_princ_type(context, new_p) = KRB5_NT_UNKNOWN;
2168 if (new_p && new_p[0].data) free(new_p[0].data);
2169 if (new_p && new_p[1].data) free(new_p[1].data);
2170 if (new_p) free(new_p);
2171 if (new_r) free(new_r);
2176 #else /* !OPENSSL_NO_KRB5 */
2178 #if defined(PEDANTIC) || defined(OPENSSL_SYS_VMS)
2179 static int dummy=(int)&dummy;
2182 #endif /* !OPENSSL_NO_KRB5 */