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 #define krb5_auth_con_init kssl_krb5_auth_con_init
120 #define krb5_principal_compare kssl_krb5_principal_compare
121 /* macro #define krb5_kt_get_entry kssl_krb5_kt_get_entry */
122 #define krb5_decrypt_tkt_part kssl_krb5_decrypt_tkt_part
123 #define krb5_timeofday kssl_krb5_timeofday
124 #define krb5_rc_default kssl_krb5_rc_default
125 #define krb5_rc_initialize kssl_krb5_rc_initialize
126 #define krb5_rc_get_lifespan kssl_krb5_rc_get_lifespan
127 #define krb5_rc_destroy kssl_krb5_rc_destroy
128 #define valid_cksumtype kssl_valid_cksumtype
129 #define krb5_checksum_size kssl_krb5_checksum_size
130 #define krb5_kt_free_entry kssl_krb5_kt_free_entry
131 #define krb5_auth_con_setrcache kssl_krb5_auth_con_setrcache
132 #define krb5_auth_con_getrcache kssl_krb5_auth_con_getrcache
133 #define krb5_get_server_rcache kssl_krb5_get_server_rcache
135 /* Prototypes for built in stubs */
136 void kssl_krb5_free_data_contents(krb5_context, krb5_data *);
137 void kssl_krb5_free_principal(krb5_context, krb5_principal );
138 krb5_error_code kssl_krb5_kt_resolve(krb5_context,
141 krb5_error_code kssl_krb5_kt_default(krb5_context,
143 krb5_error_code kssl_krb5_free_ticket(krb5_context, krb5_ticket *);
144 krb5_error_code kssl_krb5_rd_req(krb5_context, krb5_auth_context *,
145 krb5_const krb5_data *,
146 krb5_const_principal, krb5_keytab,
147 krb5_flags *,krb5_ticket **);
149 krb5_boolean kssl_krb5_principal_compare(krb5_context, krb5_const_principal,
150 krb5_const_principal);
151 krb5_error_code kssl_krb5_mk_req_extended(krb5_context,
153 krb5_const krb5_flags,
157 krb5_error_code kssl_krb5_init_context(krb5_context *);
158 void kssl_krb5_free_context(krb5_context);
159 krb5_error_code kssl_krb5_cc_default(krb5_context,krb5_ccache *);
160 krb5_error_code kssl_krb5_sname_to_principal(krb5_context,
165 krb5_error_code kssl_krb5_get_credentials(krb5_context,
166 krb5_const krb5_flags,
170 krb5_error_code kssl_krb5_auth_con_init(krb5_context,
171 krb5_auth_context *);
172 krb5_error_code kssl_krb5_cc_get_principal(krb5_context context,
174 krb5_principal *principal);
175 krb5_error_code kssl_krb5_auth_con_free(krb5_context,krb5_auth_context);
176 size_t kssl_krb5_checksum_size(krb5_context context,krb5_cksumtype ctype);
177 krb5_boolean kssl_valid_cksumtype(krb5_cksumtype ctype);
178 krb5_error_code krb5_kt_free_entry(krb5_context,krb5_keytab_entry FAR * );
179 krb5_error_code kssl_krb5_auth_con_setrcache(krb5_context,
182 krb5_error_code kssl_krb5_get_server_rcache(krb5_context,
183 krb5_const krb5_data *,
185 krb5_error_code kssl_krb5_auth_con_getrcache(krb5_context,
189 /* Function pointers (almost all Kerberos functions are _stdcall) */
190 static void (_stdcall *p_krb5_free_data_contents)(krb5_context, krb5_data *)
192 static void (_stdcall *p_krb5_free_principal)(krb5_context, krb5_principal )
194 static krb5_error_code(_stdcall *p_krb5_kt_resolve)
195 (krb5_context, krb5_const char *, krb5_keytab *)=NULL;
196 static krb5_error_code (_stdcall *p_krb5_kt_default)(krb5_context,
198 static krb5_error_code (_stdcall *p_krb5_free_ticket)(krb5_context,
200 static krb5_error_code (_stdcall *p_krb5_rd_req)(krb5_context,
202 krb5_const krb5_data *,
203 krb5_const_principal,
204 krb5_keytab, krb5_flags *,
205 krb5_ticket **)=NULL;
206 static krb5_error_code (_stdcall *p_krb5_mk_req_extended)
207 (krb5_context, krb5_auth_context *,
208 krb5_const krb5_flags, krb5_data *, krb5_creds *,
210 static krb5_error_code (_stdcall *p_krb5_init_context)(krb5_context *)=NULL;
211 static void (_stdcall *p_krb5_free_context)(krb5_context)=NULL;
212 static krb5_error_code (_stdcall *p_krb5_cc_default)(krb5_context,
214 static krb5_error_code (_stdcall *p_krb5_sname_to_principal)
215 (krb5_context, krb5_const char *, krb5_const char *,
216 krb5_int32, krb5_principal *)=NULL;
217 static krb5_error_code (_stdcall *p_krb5_get_credentials)
218 (krb5_context, krb5_const krb5_flags, krb5_ccache,
219 krb5_creds *, krb5_creds **)=NULL;
220 static krb5_error_code (_stdcall *p_krb5_auth_con_init)
221 (krb5_context, krb5_auth_context *)=NULL;
222 static krb5_error_code (_stdcall *p_krb5_cc_get_principal)
223 (krb5_context context, krb5_ccache cache,
224 krb5_principal *principal)=NULL;
225 static krb5_error_code (_stdcall *p_krb5_auth_con_free)
226 (krb5_context, krb5_auth_context)=NULL;
227 static krb5_error_code (_stdcall *p_krb5_decrypt_tkt_part)
228 (krb5_context, krb5_const krb5_keyblock *,
230 static krb5_error_code (_stdcall *p_krb5_timeofday)
231 (krb5_context context, krb5_int32 *timeret)=NULL;
232 static krb5_error_code (_stdcall *p_krb5_rc_default)
233 (krb5_context context, krb5_rcache *rc)=NULL;
234 static krb5_error_code (_stdcall *p_krb5_rc_initialize)
235 (krb5_context context, krb5_rcache rc,
236 krb5_deltat lifespan)=NULL;
237 static krb5_error_code (_stdcall *p_krb5_rc_get_lifespan)
238 (krb5_context context, krb5_rcache rc,
239 krb5_deltat *lifespan)=NULL;
240 static krb5_error_code (_stdcall *p_krb5_rc_destroy)
241 (krb5_context context, krb5_rcache rc)=NULL;
242 static krb5_boolean (_stdcall *p_krb5_principal_compare)
243 (krb5_context, krb5_const_principal, krb5_const_principal)=NULL;
244 static size_t (_stdcall *p_krb5_checksum_size)(krb5_context context,krb5_cksumtype ctype)=NULL;
245 static krb5_boolean (_stdcall *p_valid_cksumtype)(krb5_cksumtype ctype)=NULL;
246 static krb5_error_code (_stdcall *p_krb5_kt_free_entry)
247 (krb5_context,krb5_keytab_entry * )=NULL;
248 static krb5_error_code (_stdcall * p_krb5_auth_con_setrcache)(krb5_context,
251 static krb5_error_code (_stdcall * p_krb5_get_server_rcache)(krb5_context,
252 krb5_const krb5_data *,
254 static krb5_error_code (* p_krb5_auth_con_getrcache)(krb5_context,
257 static int krb5_loaded = 0; /* only attempt to initialize func ptrs once */
259 /* Function to Load the Kerberos 5 DLL and initialize function pointers */
266 hKRB5_32 = LoadLibrary("KRB5_32");
270 (FARPROC) p_krb5_free_data_contents =
271 GetProcAddress( hKRB5_32, "krb5_free_data_contents" );
272 (FARPROC) p_krb5_free_context =
273 GetProcAddress( hKRB5_32, "krb5_free_context" );
274 (FARPROC) p_krb5_auth_con_free =
275 GetProcAddress( hKRB5_32, "krb5_auth_con_free" );
276 (FARPROC) p_krb5_free_principal =
277 GetProcAddress( hKRB5_32, "krb5_free_principal" );
278 (FARPROC) p_krb5_mk_req_extended =
279 GetProcAddress( hKRB5_32, "krb5_mk_req_extended" );
280 (FARPROC) p_krb5_get_credentials =
281 GetProcAddress( hKRB5_32, "krb5_get_credentials" );
282 (FARPROC) p_krb5_cc_get_principal =
283 GetProcAddress( hKRB5_32, "krb5_cc_get_principal" );
284 (FARPROC) p_krb5_cc_default =
285 GetProcAddress( hKRB5_32, "krb5_cc_default" );
286 (FARPROC) p_krb5_sname_to_principal =
287 GetProcAddress( hKRB5_32, "krb5_sname_to_principal" );
288 (FARPROC) p_krb5_init_context =
289 GetProcAddress( hKRB5_32, "krb5_init_context" );
290 (FARPROC) p_krb5_free_ticket =
291 GetProcAddress( hKRB5_32, "krb5_free_ticket" );
292 (FARPROC) p_krb5_rd_req =
293 GetProcAddress( hKRB5_32, "krb5_rd_req" );
294 (FARPROC) p_krb5_principal_compare =
295 GetProcAddress( hKRB5_32, "krb5_principal_compare" );
296 (FARPROC) p_krb5_decrypt_tkt_part =
297 GetProcAddress( hKRB5_32, "krb5_decrypt_tkt_part" );
298 (FARPROC) p_krb5_timeofday =
299 GetProcAddress( hKRB5_32, "krb5_timeofday" );
300 (FARPROC) p_krb5_rc_default =
301 GetProcAddress( hKRB5_32, "krb5_rc_default" );
302 (FARPROC) p_krb5_rc_initialize =
303 GetProcAddress( hKRB5_32, "krb5_rc_initialize" );
304 (FARPROC) p_krb5_rc_get_lifespan =
305 GetProcAddress( hKRB5_32, "krb5_rc_get_lifespan" );
306 (FARPROC) p_krb5_rc_destroy =
307 GetProcAddress( hKRB5_32, "krb5_rc_destroy" );
308 (FARPROC) p_krb5_kt_default =
309 GetProcAddress( hKRB5_32, "krb5_kt_default" );
310 (FARPROC) p_krb5_kt_resolve =
311 GetProcAddress( hKRB5_32, "krb5_kt_resolve" );
312 (FARPROC) p_krb5_auth_con_init =
313 GetProcAddress( hKRB5_32, "krb5_auth_con_init" );
314 (FARPROC) p_valid_cksumtype =
315 GetProcAddress( hKRB5_32, "valid_cksumtype" );
316 (FARPROC) p_krb5_checksum_size =
317 GetProcAddress( hKRB5_32, "krb5_checksum_size" );
318 (FARPROC) p_krb5_kt_free_entry =
319 GetProcAddress( hKRB5_32, "krb5_kt_free_entry" );
320 (FARPROC) p_krb5_auth_con_setrcache =
321 GetProcAddress( hKRB5_32, "krb5_auth_con_setrcache" );
322 (FARPROC) p_krb5_get_server_rcache =
323 GetProcAddress( hKRB5_32, "krb5_get_server_rcache" );
324 (FARPROC) p_krb5_auth_con_getrcache =
325 GetProcAddress( hKRB5_32, "krb5_auth_con_getrcache" );
328 /* Stubs for each function to be dynamicly loaded */
330 kssl_krb5_free_data_contents(krb5_context CO, krb5_data * data)
335 if ( p_krb5_free_data_contents )
336 p_krb5_free_data_contents(CO,data);
340 kssl_krb5_mk_req_extended (krb5_context CO,
341 krb5_auth_context * pACO,
342 krb5_const krb5_flags F,
350 if ( p_krb5_mk_req_extended )
351 return(p_krb5_mk_req_extended(CO,pACO,F,pD1,pC,pD2));
353 return KRB5KRB_ERR_GENERIC;
356 kssl_krb5_auth_con_init(krb5_context CO,
357 krb5_auth_context * pACO)
362 if ( p_krb5_auth_con_init )
363 return(p_krb5_auth_con_init(CO,pACO));
365 return KRB5KRB_ERR_GENERIC;
368 kssl_krb5_auth_con_free (krb5_context CO,
369 krb5_auth_context ACO)
374 if ( p_krb5_auth_con_free )
375 return(p_krb5_auth_con_free(CO,ACO));
377 return KRB5KRB_ERR_GENERIC;
380 kssl_krb5_get_credentials(krb5_context CO,
381 krb5_const krb5_flags F,
389 if ( p_krb5_get_credentials )
390 return(p_krb5_get_credentials(CO,F,CC,pCR,ppCR));
392 return KRB5KRB_ERR_GENERIC;
395 kssl_krb5_sname_to_principal(krb5_context CO,
396 krb5_const char * pC1,
397 krb5_const char * pC2,
399 krb5_principal * pPR)
404 if ( p_krb5_sname_to_principal )
405 return(p_krb5_sname_to_principal(CO,pC1,pC2,I,pPR));
407 return KRB5KRB_ERR_GENERIC;
411 kssl_krb5_cc_default(krb5_context CO,
417 if ( p_krb5_cc_default )
418 return(p_krb5_cc_default(CO,pCC));
420 return KRB5KRB_ERR_GENERIC;
424 kssl_krb5_init_context(krb5_context * pCO)
429 if ( p_krb5_init_context )
430 return(p_krb5_init_context(pCO));
432 return KRB5KRB_ERR_GENERIC;
436 kssl_krb5_free_context(krb5_context CO)
441 if ( p_krb5_free_context )
442 p_krb5_free_context(CO);
446 kssl_krb5_free_principal(krb5_context c, krb5_principal p)
451 if ( p_krb5_free_principal )
452 p_krb5_free_principal(c,p);
456 kssl_krb5_kt_resolve(krb5_context con,
457 krb5_const char * sz,
463 if ( p_krb5_kt_resolve )
464 return(p_krb5_kt_resolve(con,sz,kt));
466 return KRB5KRB_ERR_GENERIC;
470 kssl_krb5_kt_default(krb5_context con,
476 if ( p_krb5_kt_default )
477 return(p_krb5_kt_default(con,kt));
479 return KRB5KRB_ERR_GENERIC;
483 kssl_krb5_free_ticket(krb5_context con,
489 if ( p_krb5_free_ticket )
490 return(p_krb5_free_ticket(con,kt));
492 return KRB5KRB_ERR_GENERIC;
496 kssl_krb5_rd_req(krb5_context con, krb5_auth_context * pacon,
497 krb5_const krb5_data * data,
498 krb5_const_principal princ, krb5_keytab keytab,
499 krb5_flags * flags, krb5_ticket ** pptkt)
505 return(p_krb5_rd_req(con,pacon,data,princ,keytab,flags,pptkt));
507 return KRB5KRB_ERR_GENERIC;
511 krb5_principal_compare(krb5_context con, krb5_const_principal princ1,
512 krb5_const_principal princ2)
517 if ( p_krb5_principal_compare )
518 return(p_krb5_principal_compare(con,princ1,princ2));
520 return KRB5KRB_ERR_GENERIC;
524 krb5_decrypt_tkt_part(krb5_context con, krb5_const krb5_keyblock *keys,
530 if ( p_krb5_decrypt_tkt_part )
531 return(p_krb5_decrypt_tkt_part(con,keys,ticket));
533 return KRB5KRB_ERR_GENERIC;
537 krb5_timeofday(krb5_context con, krb5_int32 *timeret)
542 if ( p_krb5_timeofday )
543 return(p_krb5_timeofday(con,timeret));
545 return KRB5KRB_ERR_GENERIC;
549 krb5_rc_default(krb5_context con, krb5_rcache *rc)
554 if ( p_krb5_rc_default )
555 return(p_krb5_rc_default(con,rc));
557 return KRB5KRB_ERR_GENERIC;
561 krb5_rc_initialize(krb5_context con, krb5_rcache rc, krb5_deltat lifespan)
566 if ( p_krb5_rc_initialize )
567 return(p_krb5_rc_initialize(con, rc, lifespan));
569 return KRB5KRB_ERR_GENERIC;
573 krb5_rc_get_lifespan(krb5_context con, krb5_rcache rc, krb5_deltat *lifespanp)
578 if ( p_krb5_rc_get_lifespan )
579 return(p_krb5_rc_get_lifespan(con, rc, lifespanp));
581 return KRB5KRB_ERR_GENERIC;
585 krb5_rc_destroy(krb5_context con, krb5_rcache rc)
590 if ( p_krb5_rc_destroy )
591 return(p_krb5_rc_destroy(con, rc));
593 return KRB5KRB_ERR_GENERIC;
597 krb5_checksum_size(krb5_context context,krb5_cksumtype ctype)
602 if ( p_krb5_checksum_size )
603 return(p_krb5_checksum_size(context, ctype));
605 return KRB5KRB_ERR_GENERIC;
609 valid_cksumtype(krb5_cksumtype ctype)
614 if ( p_valid_cksumtype )
615 return(p_valid_cksumtype(ctype));
617 return KRB5KRB_ERR_GENERIC;
621 krb5_kt_free_entry(krb5_context con,krb5_keytab_entry * entry)
626 if ( p_krb5_kt_free_entry )
627 return(p_krb5_kt_free_entry(con,entry));
629 return KRB5KRB_ERR_GENERIC;
632 /* Structure definitions */
633 #ifndef NO_DEF_KRB5_CCACHE
635 #define krb5_x(ptr,args) ((ptr)?((*(ptr)) args):(abort(),1))
636 #define krb5_xc(ptr,args) ((ptr)?((*(ptr)) args):(abort(),(char*)0))
639 typedef krb5_pointer krb5_cc_cursor; /* cursor for sequential lookup */
641 typedef struct _krb5_ccache
644 struct _krb5_cc_ops FAR *ops;
648 typedef struct _krb5_cc_ops
652 char * (KRB5_CALLCONV *get_name)
653 (krb5_context, krb5_ccache);
654 krb5_error_code (KRB5_CALLCONV *resolve)
655 (krb5_context, krb5_ccache *, const char *);
656 krb5_error_code (KRB5_CALLCONV *gen_new)
657 (krb5_context, krb5_ccache *);
658 krb5_error_code (KRB5_CALLCONV *init)
659 (krb5_context, krb5_ccache, krb5_principal);
660 krb5_error_code (KRB5_CALLCONV *destroy)
661 (krb5_context, krb5_ccache);
662 krb5_error_code (KRB5_CALLCONV *close)
663 (krb5_context, krb5_ccache);
664 krb5_error_code (KRB5_CALLCONV *store)
665 (krb5_context, krb5_ccache, krb5_creds *);
666 krb5_error_code (KRB5_CALLCONV *retrieve)
667 (krb5_context, krb5_ccache,
668 krb5_flags, krb5_creds *, krb5_creds *);
669 krb5_error_code (KRB5_CALLCONV *get_princ)
670 (krb5_context, krb5_ccache, krb5_principal *);
671 krb5_error_code (KRB5_CALLCONV *get_first)
672 (krb5_context, krb5_ccache, krb5_cc_cursor *);
673 krb5_error_code (KRB5_CALLCONV *get_next)
674 (krb5_context, krb5_ccache,
675 krb5_cc_cursor *, krb5_creds *);
676 krb5_error_code (KRB5_CALLCONV *end_get)
677 (krb5_context, krb5_ccache, krb5_cc_cursor *);
678 krb5_error_code (KRB5_CALLCONV *remove_cred)
679 (krb5_context, krb5_ccache,
680 krb5_flags, krb5_creds *);
681 krb5_error_code (KRB5_CALLCONV *set_flags)
682 (krb5_context, krb5_ccache, krb5_flags);
684 #endif /* NO_DEF_KRB5_CCACHE */
687 kssl_krb5_cc_get_principal
688 (krb5_context context, krb5_ccache cache,
689 krb5_principal *principal)
691 if ( p_krb5_cc_get_principal )
692 return(p_krb5_cc_get_principal(context,cache,principal));
695 ((cache)->ops->get_princ,(context, cache, principal)));
699 kssl_krb5_auth_con_setrcache(krb5_context con, krb5_auth_context acon,
702 if ( p_krb5_auth_con_setrcache )
703 return(p_krb5_auth_con_setrcache(con,acon,rcache));
705 return KRB5KRB_ERR_GENERIC;
709 kssl_krb5_get_server_rcache(krb5_context con, krb5_const krb5_data * data,
710 krb5_rcache * rcache)
712 if ( p_krb5_get_server_rcache )
713 return(p_krb5_get_server_rcache(con,data,rcache));
715 return KRB5KRB_ERR_GENERIC;
719 kssl_krb5_auth_con_getrcache(krb5_context con, krb5_auth_context acon,
720 krb5_rcache * prcache)
722 if ( p_krb5_auth_con_getrcache )
723 return(p_krb5_auth_con_getrcache(con,acon, prcache));
725 return KRB5KRB_ERR_GENERIC;
727 #endif /* OPENSSL_SYS_WINDOWS || OPENSSL_SYS_WIN32 */
730 *kstring(char *string)
732 static char *null = "[NULL]";
734 return ((string == NULL)? null: string);
739 *knumber(int len, krb5_octet *contents)
741 static char buf[MAXKNUM+1];
744 BIO_snprintf(buf, MAXKNUM, "[%d] ", len);
746 for (i=0; i < len && MAXKNUM > strlen(buf)+3; i++)
748 BIO_snprintf(&buf[strlen(buf)], 3, "%02x", contents[i]);
755 /* Given KRB5 enctype (basically DES or 3DES),
756 ** return closest match openssl EVP_ encryption algorithm.
757 ** Return NULL for unknown or problematic (krb5_dk_encrypt) enctypes.
758 ** Assume ENCTYPE_*_RAW (krb5_raw_encrypt) are OK.
761 kssl_map_enc(krb5_enctype enctype)
765 case ENCTYPE_DES_HMAC_SHA1: /* EVP_des_cbc(); */
766 case ENCTYPE_DES_CBC_CRC:
767 case ENCTYPE_DES_CBC_MD4:
768 case ENCTYPE_DES_CBC_MD5:
769 case ENCTYPE_DES_CBC_RAW:
770 return (EVP_CIPHER *) EVP_des_cbc();
772 case ENCTYPE_DES3_CBC_SHA1: /* EVP_des_ede3_cbc(); */
773 case ENCTYPE_DES3_CBC_SHA:
774 case ENCTYPE_DES3_CBC_RAW:
775 return (EVP_CIPHER *) EVP_des_ede3_cbc();
777 default: return (EVP_CIPHER *) NULL;
783 /* Return true:1 if p "looks like" the start of the real authenticator
784 ** described in kssl_skip_confound() below. The ASN.1 pattern is
785 ** "62 xx 30 yy" (APPLICATION-2, SEQUENCE), where xx-yy =~ 2, and
786 ** xx and yy are possibly multi-byte length fields.
788 int kssl_test_confound(unsigned char *p)
793 if (*p++ != 0x62) return 0;
794 if (*p > 0x82) return 0;
796 case 0x82: p++; xx = (*p++ << 8); xx += *p++; break;
797 case 0x81: p++; xx = *p++; break;
799 default: xx = *p++; break;
801 if (*p++ != 0x30) return 0;
802 if (*p > 0x82) return 0;
804 case 0x82: p++; len+=2; yy = (*p++ << 8); yy += *p++; break;
805 case 0x81: p++; len++; yy = *p++; break;
807 default: yy = *p++; break;
810 return (xx - len == yy)? 1: 0;
813 /* Allocate, fill, and return cksumlens array of checksum lengths.
814 ** This array holds just the unique elements from the krb5_cksumarray[].
815 ** array[n] == 0 signals end of data.
817 ** The krb5_cksumarray[] was an internal variable that has since been
818 ** replaced by a more general method for storing the data. It should
819 ** not be used. Instead we use real API calls and make a guess for
820 ** what the highest assigned CKSUMTYPE_ constant is. As of 1.2.2
821 ** it is 0x000c (CKSUMTYPE_HMAC_SHA1_DES3). So we will use 0x0010.
823 size_t *populate_cksumlens(void)
826 static size_t *cklens = NULL;
828 #ifdef KRB5_MIT_OLD11
832 #endif /* KRB5_MIT_OLD11 */
835 if (!cklens && !(cklens = (size_t *) calloc(sizeof(int),n+1))) return NULL;
837 for (i=0; i < n; i++) {
838 if (!valid_cksumtype(i)) continue; /* array has holes */
839 for (j=0; j < n; j++) {
840 if (cklens[j] == 0) {
841 cklens[j] = krb5_checksum_size(NULL,i);
842 break; /* krb5 elem was new: add */
844 if (cklens[j] == krb5_checksum_size(NULL,i)) {
845 break; /* ignore duplicate elements */
849 #endif /* KRB5CHECKAUTH */
854 /* Return pointer to start of real authenticator within authenticator, or
855 ** return NULL on error.
856 ** Decrypted authenticator looks like this:
857 ** [0 or 8 byte confounder] [4-24 byte checksum] [real authent'r]
858 ** This hackery wouldn't be necessary if MIT KRB5 1.0.6 had the
859 ** krb5_auth_con_getcksumtype() function advertised in its krb5.h.
861 unsigned char *kssl_skip_confound(krb5_enctype etype, unsigned char *a)
865 static size_t *cksumlens = NULL;
866 unsigned char *test_auth;
868 conlen = (etype)? 8: 0;
870 if (!cksumlens && !(cksumlens = populate_cksumlens())) return NULL;
871 for (i=0; (cklen = cksumlens[i]) != 0; i++)
873 test_auth = a + conlen + cklen;
874 if (kssl_test_confound(test_auth)) return test_auth;
881 /* Set kssl_err error info when reason text is a simple string
882 ** kssl_err = struct { int reason; char text[KSSL_ERR_MAX+1]; }
885 kssl_err_set(KSSL_ERR *kssl_err, int reason, char *text)
887 if (kssl_err == NULL) return;
889 kssl_err->reason = reason;
890 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX, text);
895 /* Display contents of krb5_data struct, for debugging
898 print_krb5_data(char *label, krb5_data *kdata)
902 printf("%s[%d] ", label, kdata->length);
903 for (i=0; i < kdata->length; i++)
905 if (0 && isprint((int) kdata->data[i]))
906 printf( "%c ", kdata->data[i]);
908 printf( "%02x ", (unsigned char) kdata->data[i]);
914 /* Display contents of krb5_authdata struct, for debugging
917 print_krb5_authdata(char *label, krb5_authdata **adata)
921 printf("%s, authdata==0\n", label);
924 printf("%s [%p]\n", label, adata);
928 printf("%s[at%d:%d] ", label, adata->ad_type, adata->length);
929 for (i=0; i < adata->length; i++)
931 printf((isprint(adata->contents[i]))? "%c ": "%02x",
940 /* Display contents of krb5_keyblock struct, for debugging
943 print_krb5_keyblock(char *label, krb5_keyblock *keyblk)
949 printf("%s, keyblk==0\n", label);
953 printf("%s\n\t[et%d:%d]: ", label, keyblk->keytype,
954 keyblk->keyvalue->length);
955 for (i=0; i < keyblk->keyvalue->length; i++)
957 printf("%02x",(unsigned char *)(keyblk->keyvalue->contents)[i]);
961 printf("%s\n\t[et%d:%d]: ", label, keyblk->enctype, keyblk->length);
962 for (i=0; i < keyblk->length; i++)
964 printf("%02x",keyblk->contents[i]);
971 /* Display contents of krb5_principal_data struct, for debugging
972 ** (krb5_principal is typedef'd == krb5_principal_data *)
975 print_krb5_princ(char *label, krb5_principal_data *princ)
980 printf("%s principal Realm: ", label);
981 if (princ == NULL) return;
982 for (ui=0; ui < princ->realm.length; ui++) putchar(princ->realm.data[ui]);
983 printf(" (nametype %d) has %d strings:\n", princ->type,princ->length);
984 for (i=0; i < princ->length; i++)
986 printf("\t%d [%d]: ", i, princ->data[i].length);
987 for (uj=0; uj < princ->data[i].length; uj++) {
988 putchar(princ->data[i].data[uj]);
996 /* Given krb5 service (typically "kssl") and hostname in kssl_ctx,
997 ** Return encrypted Kerberos ticket for service @ hostname.
998 ** If authenp is non-NULL, also return encrypted authenticator,
999 ** whose data should be freed by caller.
1000 ** (Originally was: Create Kerberos AP_REQ message for SSL Client.)
1002 ** 19990628 VRS Started; Returns Kerberos AP_REQ message.
1003 ** 20010409 VRS Modified for RFC2712; Returns enc tkt.
1004 ** 20010606 VRS May also return optional authenticator.
1007 kssl_cget_tkt( /* UPDATE */ KSSL_CTX *kssl_ctx,
1008 /* OUT */ krb5_data **enc_ticketp,
1009 /* UPDATE */ krb5_data *authenp,
1010 /* OUT */ KSSL_ERR *kssl_err)
1012 krb5_error_code krb5rc = KRB5KRB_ERR_GENERIC;
1013 krb5_context krb5context = NULL;
1014 krb5_auth_context krb5auth_context = NULL;
1015 krb5_ccache krb5ccdef = NULL;
1016 krb5_creds krb5creds, *krb5credsp = NULL;
1017 krb5_data krb5_app_req;
1019 kssl_err_set(kssl_err, 0, "");
1020 memset((char *)&krb5creds, 0, sizeof(krb5creds));
1024 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1025 "No kssl_ctx defined.\n");
1028 else if (!kssl_ctx->service_host)
1030 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1031 "kssl_ctx service_host undefined.\n");
1035 if ((krb5rc = krb5_init_context(&krb5context)) != 0)
1037 BIO_snprintf(kssl_err->text,KSSL_ERR_MAX,
1038 "krb5_init_context() fails: %d\n", krb5rc);
1039 kssl_err->reason = SSL_R_KRB5_C_INIT;
1043 if ((krb5rc = krb5_sname_to_principal(krb5context,
1044 kssl_ctx->service_host,
1045 (kssl_ctx->service_name)? kssl_ctx->service_name: KRB5SVC,
1046 KRB5_NT_SRV_HST, &krb5creds.server)) != 0)
1048 BIO_snprintf(kssl_err->text,KSSL_ERR_MAX,
1049 "krb5_sname_to_principal() fails for %s/%s\n",
1050 kssl_ctx->service_host,
1051 (kssl_ctx->service_name)? kssl_ctx->service_name:
1053 kssl_err->reason = SSL_R_KRB5_C_INIT;
1057 if ((krb5rc = krb5_cc_default(krb5context, &krb5ccdef)) != 0)
1059 kssl_err_set(kssl_err, SSL_R_KRB5_C_CC_PRINC,
1060 "krb5_cc_default fails.\n");
1064 if ((krb5rc = krb5_cc_get_principal(krb5context, krb5ccdef,
1065 &krb5creds.client)) != 0)
1067 kssl_err_set(kssl_err, SSL_R_KRB5_C_CC_PRINC,
1068 "krb5_cc_get_principal() fails.\n");
1072 if ((krb5rc = krb5_get_credentials(krb5context, 0, krb5ccdef,
1073 &krb5creds, &krb5credsp)) != 0)
1075 kssl_err_set(kssl_err, SSL_R_KRB5_C_GET_CRED,
1076 "krb5_get_credentials() fails.\n");
1080 *enc_ticketp = &krb5credsp->ticket;
1082 kssl_ctx->enctype = krb5credsp->session.keytype;
1084 kssl_ctx->enctype = krb5credsp->keyblock.enctype;
1087 krb5rc = KRB5KRB_ERR_GENERIC;
1088 /* caller should free data of krb5_app_req */
1089 /* 20010406 VRS deleted for real KerberosWrapper
1090 ** 20010605 VRS reinstated to offer Authenticator to KerberosWrapper
1092 krb5_app_req.length = 0;
1095 krb5_data krb5in_data;
1098 KRB5_APREQBODY *ap_req;
1100 authenp->length = 0;
1101 krb5in_data.data = NULL;
1102 krb5in_data.length = 0;
1103 if ((krb5rc = krb5_mk_req_extended(krb5context,
1104 &krb5auth_context, 0, &krb5in_data, krb5credsp,
1105 &krb5_app_req)) != 0)
1107 kssl_err_set(kssl_err, SSL_R_KRB5_C_MK_REQ,
1108 "krb5_mk_req_extended() fails.\n");
1112 arlen = krb5_app_req.length;
1113 p = (unsigned char *)krb5_app_req.data;
1114 ap_req = (KRB5_APREQBODY *) d2i_KRB5_APREQ(NULL, &p, arlen);
1117 authenp->length = i2d_KRB5_ENCDATA(
1118 ap_req->authenticator, NULL);
1119 if (authenp->length &&
1120 (authenp->data = malloc(authenp->length)))
1122 unsigned char *adp = (unsigned char *)authenp->data;
1123 authenp->length = i2d_KRB5_ENCDATA(
1124 ap_req->authenticator, &adp);
1128 if (ap_req) KRB5_APREQ_free((KRB5_APREQ *) ap_req);
1129 if (krb5_app_req.length)
1130 kssl_krb5_free_data_contents(krb5context,&krb5_app_req);
1133 if (kssl_ctx_setkey(kssl_ctx, &krb5credsp->session))
1135 kssl_err_set(kssl_err, SSL_R_KRB5_C_INIT,
1136 "kssl_ctx_setkey() fails.\n");
1139 if (kssl_ctx_setkey(kssl_ctx, &krb5credsp->keyblock))
1141 kssl_err_set(kssl_err, SSL_R_KRB5_C_INIT,
1142 "kssl_ctx_setkey() fails.\n");
1149 kssl_ctx_show(kssl_ctx);
1150 #endif /* KSSL_DEBUG */
1152 if (krb5creds.client) krb5_free_principal(krb5context,
1154 if (krb5creds.server) krb5_free_principal(krb5context,
1156 if (krb5auth_context) krb5_auth_con_free(krb5context,
1158 if (krb5context) krb5_free_context(krb5context);
1163 /* Given d2i_-decoded asn1ticket, allocate and return a new krb5_ticket.
1164 ** Return Kerberos error code and kssl_err struct on error.
1165 ** Allocates krb5_ticket and krb5_principal; caller should free these.
1167 ** 20010410 VRS Implemented krb5_decode_ticket() as
1168 ** old_krb5_decode_ticket(). Missing from MIT1.0.6.
1169 ** 20010615 VRS Re-cast as openssl/asn1 d2i_*() functions.
1170 ** Re-used some of the old krb5_decode_ticket()
1171 ** code here. This tkt should alloc/free just
1172 ** like the real thing.
1175 kssl_TKT2tkt( /* IN */ krb5_context krb5context,
1176 /* IN */ KRB5_TKTBODY *asn1ticket,
1177 /* OUT */ krb5_ticket **krb5ticket,
1178 /* OUT */ KSSL_ERR *kssl_err )
1180 krb5_error_code krb5rc = KRB5KRB_ERR_GENERIC;
1181 krb5_ticket *new5ticket = NULL;
1182 ASN1_GENERALSTRING *gstr_svc, *gstr_host;
1186 if (asn1ticket == NULL || asn1ticket->realm == NULL ||
1187 asn1ticket->sname == NULL ||
1188 asn1ticket->sname->namestring == NULL ||
1189 asn1ticket->sname->namestring->num < 2)
1191 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1192 "Null field in asn1ticket.\n");
1193 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1194 return KRB5KRB_ERR_GENERIC;
1197 if ((new5ticket = (krb5_ticket *) calloc(1, sizeof(krb5_ticket)))==NULL)
1199 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1200 "Unable to allocate new krb5_ticket.\n");
1201 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1202 return ENOMEM; /* or KRB5KRB_ERR_GENERIC; */
1205 gstr_svc = (ASN1_GENERALSTRING*)asn1ticket->sname->namestring->data[0];
1206 gstr_host = (ASN1_GENERALSTRING*)asn1ticket->sname->namestring->data[1];
1208 if ((krb5rc = kssl_build_principal_2(krb5context,
1209 &new5ticket->server,
1210 asn1ticket->realm->length, asn1ticket->realm->data,
1211 gstr_svc->length, gstr_svc->data,
1212 gstr_host->length, gstr_host->data)) != 0)
1215 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1216 "Error building ticket server principal.\n");
1217 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1218 return krb5rc; /* or KRB5KRB_ERR_GENERIC; */
1221 krb5_princ_type(krb5context, new5ticket->server) =
1222 asn1ticket->sname->nametype->data[0];
1223 new5ticket->enc_part.enctype = asn1ticket->encdata->etype->data[0];
1224 new5ticket->enc_part.kvno = asn1ticket->encdata->kvno->data[0];
1225 new5ticket->enc_part.ciphertext.length =
1226 asn1ticket->encdata->cipher->length;
1227 if ((new5ticket->enc_part.ciphertext.data =
1228 calloc(1, asn1ticket->encdata->cipher->length)) == NULL)
1231 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1232 "Error allocating cipher in krb5ticket.\n");
1233 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1234 return KRB5KRB_ERR_GENERIC;
1238 memcpy(new5ticket->enc_part.ciphertext.data,
1239 asn1ticket->encdata->cipher->data,
1240 asn1ticket->encdata->cipher->length);
1243 *krb5ticket = new5ticket;
1248 /* Given krb5 service name in KSSL_CTX *kssl_ctx (typically "kssl"),
1249 ** and krb5 AP_REQ message & message length,
1250 ** Return Kerberos session key and client principle
1251 ** to SSL Server in KSSL_CTX *kssl_ctx.
1253 ** 19990702 VRS Started.
1256 kssl_sget_tkt( /* UPDATE */ KSSL_CTX *kssl_ctx,
1257 /* IN */ krb5_data *indata,
1258 /* OUT */ krb5_ticket_times *ttimes,
1259 /* OUT */ KSSL_ERR *kssl_err )
1261 krb5_error_code krb5rc = KRB5KRB_ERR_GENERIC;
1262 static krb5_context krb5context = NULL;
1263 static krb5_auth_context krb5auth_context = NULL;
1264 krb5_ticket *krb5ticket = NULL;
1265 KRB5_TKTBODY *asn1ticket = NULL;
1267 krb5_keytab krb5keytab = NULL;
1268 krb5_keytab_entry kt_entry;
1269 krb5_principal krb5server;
1270 krb5_rcache rcache = NULL;
1272 kssl_err_set(kssl_err, 0, "");
1276 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1277 "No kssl_ctx defined.\n");
1282 printf("in kssl_sget_tkt(%s)\n", kstring(kssl_ctx->service_name));
1283 #endif /* KSSL_DEBUG */
1285 if (!krb5context && (krb5rc = krb5_init_context(&krb5context)))
1287 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1288 "krb5_init_context() fails.\n");
1291 if (krb5auth_context &&
1292 (krb5rc = krb5_auth_con_free(krb5context, krb5auth_context)))
1294 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1295 "krb5_auth_con_free() fails.\n");
1298 else krb5auth_context = NULL;
1299 if (!krb5auth_context &&
1300 (krb5rc = krb5_auth_con_init(krb5context, &krb5auth_context)))
1302 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1303 "krb5_auth_con_init() fails.\n");
1308 if ((krb5rc = krb5_auth_con_getrcache(krb5context, krb5auth_context,
1311 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1312 "krb5_auth_con_getrcache() fails.\n");
1316 if ((krb5rc = krb5_sname_to_principal(krb5context, NULL,
1317 (kssl_ctx->service_name)? kssl_ctx->service_name: KRB5SVC,
1318 KRB5_NT_SRV_HST, &krb5server)) != 0)
1320 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1321 "krb5_sname_to_principal() fails.\n");
1327 if ((krb5rc = krb5_get_server_rcache(krb5context,
1328 krb5_princ_component(krb5context, krb5server, 0),
1331 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1332 "krb5_get_server_rcache() fails.\n");
1337 if ((krb5rc = krb5_auth_con_setrcache(krb5context, krb5auth_context, rcache)))
1339 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1340 "krb5_auth_con_setrcache() fails.\n");
1345 /* kssl_ctx->keytab_file == NULL ==> use Kerberos default
1347 if (kssl_ctx->keytab_file)
1349 krb5rc = krb5_kt_resolve(krb5context, kssl_ctx->keytab_file,
1353 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1354 "krb5_kt_resolve() fails.\n");
1360 krb5rc = krb5_kt_default(krb5context,&krb5keytab);
1363 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1364 "krb5_kt_default() fails.\n");
1369 /* Actual Kerberos5 krb5_recvauth() has initial conversation here
1370 ** o check KRB5_SENDAUTH_BADAUTHVERS
1371 ** unless KRB5_RECVAUTH_SKIP_VERSION
1372 ** o check KRB5_SENDAUTH_BADAPPLVERS
1373 ** o send "0" msg if all OK
1376 /* 20010411 was using AP_REQ instead of true KerberosWrapper
1378 ** if ((krb5rc = krb5_rd_req(krb5context, &krb5auth_context,
1379 ** &krb5in_data, krb5server, krb5keytab,
1380 ** &ap_option, &krb5ticket)) != 0) { Error }
1383 p = (unsigned char *)indata->data;
1384 if ((asn1ticket = (KRB5_TKTBODY *) d2i_KRB5_TICKET(NULL, &p,
1385 (long) indata->length)) == NULL)
1387 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1388 "d2i_KRB5_TICKET() ASN.1 decode failure.\n");
1389 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1393 /* Was: krb5rc = krb5_decode_ticket(krb5in_data,&krb5ticket)) != 0) */
1394 if ((krb5rc = kssl_TKT2tkt(krb5context, asn1ticket, &krb5ticket,
1397 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1398 "Error converting ASN.1 ticket to krb5_ticket.\n");
1399 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1403 if (! krb5_principal_compare(krb5context, krb5server,
1404 krb5ticket->server)) {
1405 krb5rc = KRB5_PRINC_NOMATCH;
1406 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1407 "server principal != ticket principal\n");
1408 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1411 if ((krb5rc = krb5_kt_get_entry(krb5context, krb5keytab,
1412 krb5ticket->server, krb5ticket->enc_part.kvno,
1413 krb5ticket->enc_part.enctype, &kt_entry)) != 0) {
1414 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1415 "krb5_kt_get_entry() fails with %x.\n", krb5rc);
1416 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1419 if ((krb5rc = krb5_decrypt_tkt_part(krb5context, &kt_entry.key,
1420 krb5ticket)) != 0) {
1421 BIO_snprintf(kssl_err->text, KSSL_ERR_MAX,
1422 "krb5_decrypt_tkt_part() failed.\n");
1423 kssl_err->reason = SSL_R_KRB5_S_RD_REQ;
1427 krb5_kt_free_entry(krb5context, &kt_entry);
1430 int i; krb5_address **paddr = krb5ticket->enc_part2->caddrs;
1431 printf("Decrypted ticket fields:\n");
1432 printf("\tflags: %X, transit-type: %X",
1433 krb5ticket->enc_part2->flags,
1434 krb5ticket->enc_part2->transited.tr_type);
1435 print_krb5_data("\ttransit-data: ",
1436 &(krb5ticket->enc_part2->transited.tr_contents));
1437 printf("\tcaddrs: %p, authdata: %p\n",
1438 krb5ticket->enc_part2->caddrs,
1439 krb5ticket->enc_part2->authorization_data);
1442 printf("\tcaddrs:\n");
1443 for (i=0; paddr[i] != NULL; i++)
1446 d.length=paddr[i]->length;
1447 d.data=paddr[i]->contents;
1448 print_krb5_data("\t\tIP: ", &d);
1451 printf("\tstart/auth/end times: %d / %d / %d\n",
1452 krb5ticket->enc_part2->times.starttime,
1453 krb5ticket->enc_part2->times.authtime,
1454 krb5ticket->enc_part2->times.endtime);
1456 #endif /* KSSL_DEBUG */
1459 krb5rc = KRB5_NO_TKT_SUPPLIED;
1460 if (!krb5ticket || !krb5ticket->enc_part2 ||
1461 !krb5ticket->enc_part2->client ||
1462 !krb5ticket->enc_part2->client->data ||
1463 !krb5ticket->enc_part2->session)
1465 kssl_err_set(kssl_err, SSL_R_KRB5_S_BAD_TICKET,
1466 "bad ticket from krb5_rd_req.\n");
1468 else if (kssl_ctx_setprinc(kssl_ctx, KSSL_CLIENT,
1469 &krb5ticket->enc_part2->client->realm,
1470 krb5ticket->enc_part2->client->data))
1472 kssl_err_set(kssl_err, SSL_R_KRB5_S_BAD_TICKET,
1473 "kssl_ctx_setprinc() fails.\n");
1475 else if (kssl_ctx_setkey(kssl_ctx, krb5ticket->enc_part2->session))
1477 kssl_err_set(kssl_err, SSL_R_KRB5_S_BAD_TICKET,
1478 "kssl_ctx_setkey() fails.\n");
1480 else if (krb5ticket->enc_part2->flags & TKT_FLG_INVALID)
1482 krb5rc = KRB5KRB_AP_ERR_TKT_INVALID;
1483 kssl_err_set(kssl_err, SSL_R_KRB5_S_BAD_TICKET,
1484 "invalid ticket from krb5_rd_req.\n");
1488 kssl_ctx->enctype = krb5ticket->enc_part.enctype;
1489 ttimes->authtime = krb5ticket->enc_part2->times.authtime;
1490 ttimes->starttime = krb5ticket->enc_part2->times.starttime;
1491 ttimes->endtime = krb5ticket->enc_part2->times.endtime;
1492 ttimes->renew_till = krb5ticket->enc_part2->times.renew_till;
1496 kssl_ctx_show(kssl_ctx);
1497 #endif /* KSSL_DEBUG */
1499 if (asn1ticket) KRB5_TICKET_free((KRB5_TICKET *) asn1ticket);
1500 if (krb5keytab) krb5_kt_close(krb5context, krb5keytab);
1501 if (krb5ticket) krb5_free_ticket(krb5context, krb5ticket);
1502 if (krb5server) krb5_free_principal(krb5context, krb5server);
1507 /* Allocate & return a new kssl_ctx struct.
1512 return ((KSSL_CTX *) calloc(1, sizeof(KSSL_CTX)));
1516 /* Frees a kssl_ctx struct and any allocated memory it holds.
1520 kssl_ctx_free(KSSL_CTX *kssl_ctx)
1522 if (kssl_ctx == NULL) return kssl_ctx;
1524 if (kssl_ctx->key) memset(kssl_ctx->key, 0,
1526 if (kssl_ctx->key) free(kssl_ctx->key);
1527 if (kssl_ctx->client_princ) free(kssl_ctx->client_princ);
1528 if (kssl_ctx->service_host) free(kssl_ctx->service_host);
1529 if (kssl_ctx->service_name) free(kssl_ctx->service_name);
1530 if (kssl_ctx->keytab_file) free(kssl_ctx->keytab_file);
1533 return (KSSL_CTX *) NULL;
1537 /* Given a (krb5_data *) entity (and optional realm),
1538 ** set the plain (char *) client_princ or service_host member
1539 ** of the kssl_ctx struct.
1542 kssl_ctx_setprinc(KSSL_CTX *kssl_ctx, int which,
1543 krb5_data *realm, krb5_data *entity)
1548 if (kssl_ctx == NULL || entity == NULL) return KSSL_CTX_ERR;
1552 case KSSL_CLIENT: princ = &kssl_ctx->client_princ; break;
1553 case KSSL_SERVER: princ = &kssl_ctx->service_host; break;
1554 default: return KSSL_CTX_ERR; break;
1556 if (*princ) free(*princ);
1558 length = entity->length + ((realm)? realm->length + 2: 1);
1559 if ((*princ = calloc(1, length)) == NULL)
1560 return KSSL_CTX_ERR;
1563 strncpy(*princ, entity->data, entity->length);
1566 strcat (*princ, "@");
1567 (void) strncat(*princ, realm->data, realm->length);
1575 /* Set one of the plain (char *) string members of the kssl_ctx struct.
1576 ** Default values should be:
1577 ** which == KSSL_SERVICE => "khost" (KRB5SVC)
1578 ** which == KSSL_KEYTAB => "/etc/krb5.keytab" (KRB5KEYTAB)
1581 kssl_ctx_setstring(KSSL_CTX *kssl_ctx, int which, char *text)
1585 if (!kssl_ctx) return KSSL_CTX_ERR;
1589 case KSSL_SERVICE: string = &kssl_ctx->service_name; break;
1590 case KSSL_SERVER: string = &kssl_ctx->service_host; break;
1591 case KSSL_CLIENT: string = &kssl_ctx->client_princ; break;
1592 case KSSL_KEYTAB: string = &kssl_ctx->keytab_file; break;
1593 default: return KSSL_CTX_ERR; break;
1595 if (*string) free(*string);
1603 if ((*string = calloc(1, strlen(text) + 1)) == NULL)
1604 return KSSL_CTX_ERR;
1606 strcpy(*string, text);
1612 /* Copy the Kerberos session key from a (krb5_keyblock *) to a kssl_ctx
1613 ** struct. Clear kssl_ctx->key if Kerberos session key is NULL.
1616 kssl_ctx_setkey(KSSL_CTX *kssl_ctx, krb5_keyblock *session)
1619 krb5_enctype enctype;
1620 krb5_octet FAR *contents = NULL;
1622 if (!kssl_ctx) return KSSL_CTX_ERR;
1626 memset(kssl_ctx->key, 0, kssl_ctx->length);
1627 free(kssl_ctx->key);
1634 length = session->keyvalue->length;
1635 enctype = session->keytype;
1636 contents = session->keyvalue->contents;
1638 length = session->length;
1639 enctype = session->enctype;
1640 contents = session->contents;
1642 kssl_ctx->enctype = enctype;
1643 kssl_ctx->length = length;
1647 kssl_ctx->enctype = ENCTYPE_UNKNOWN;
1648 kssl_ctx->length = 0;
1652 if ((kssl_ctx->key =
1653 (krb5_octet FAR *) calloc(1, kssl_ctx->length)) == NULL)
1655 kssl_ctx->length = 0;
1656 return KSSL_CTX_ERR;
1659 memcpy(kssl_ctx->key, contents, length);
1665 /* Display contents of kssl_ctx struct
1668 kssl_ctx_show(KSSL_CTX *kssl_ctx)
1672 printf("kssl_ctx: ");
1673 if (kssl_ctx == NULL)
1679 printf("%p\n", kssl_ctx);
1681 printf("\tservice:\t%s\n",
1682 (kssl_ctx->service_name)? kssl_ctx->service_name: "NULL");
1683 printf("\tclient:\t%s\n",
1684 (kssl_ctx->client_princ)? kssl_ctx->client_princ: "NULL");
1685 printf("\tserver:\t%s\n",
1686 (kssl_ctx->service_host)? kssl_ctx->service_host: "NULL");
1687 printf("\tkeytab:\t%s\n",
1688 (kssl_ctx->keytab_file)? kssl_ctx->keytab_file: "NULL");
1689 printf("\tkey [%d:%d]:\t",
1690 kssl_ctx->enctype, kssl_ctx->length);
1692 for (i=0; i < kssl_ctx->length && kssl_ctx->key; i++)
1694 printf("%02x", kssl_ctx->key[i]);
1701 kssl_keytab_is_available(KSSL_CTX *kssl_ctx)
1703 krb5_context krb5context = NULL;
1704 krb5_keytab krb5keytab = NULL;
1705 krb5_keytab_entry entry;
1706 krb5_principal princ = NULL;
1707 krb5_error_code krb5rc = KRB5KRB_ERR_GENERIC;
1710 if ((krb5rc = krb5_init_context(&krb5context)))
1713 /* kssl_ctx->keytab_file == NULL ==> use Kerberos default
1715 if (kssl_ctx->keytab_file)
1717 krb5rc = krb5_kt_resolve(krb5context, kssl_ctx->keytab_file,
1724 krb5rc = krb5_kt_default(krb5context,&krb5keytab);
1729 /* the host key we are looking for */
1730 krb5rc = krb5_sname_to_principal(krb5context, NULL,
1731 kssl_ctx->service_name ? kssl_ctx->service_name: KRB5SVC,
1732 KRB5_NT_SRV_HST, &princ);
1734 krb5rc = krb5_kt_get_entry(krb5context, krb5keytab,
1737 0 /* IGNORE_ENCTYPE */,
1739 if ( krb5rc == KRB5_KT_NOTFOUND ) {
1742 } else if ( krb5rc )
1745 krb5_kt_free_entry(krb5context, &entry);
1749 if (krb5keytab) krb5_kt_close(krb5context, krb5keytab);
1750 if (princ) krb5_free_principal(krb5context, princ);
1751 if (krb5context) krb5_free_context(krb5context);
1756 kssl_tgt_is_available(KSSL_CTX *kssl_ctx)
1758 krb5_error_code krb5rc = KRB5KRB_ERR_GENERIC;
1759 krb5_context krb5context = NULL;
1760 krb5_ccache krb5ccdef = NULL;
1761 krb5_creds krb5creds, *krb5credsp = NULL;
1764 memset((char *)&krb5creds, 0, sizeof(krb5creds));
1769 if (!kssl_ctx->service_host)
1772 if ((krb5rc = krb5_init_context(&krb5context)) != 0)
1775 if ((krb5rc = krb5_sname_to_principal(krb5context,
1776 kssl_ctx->service_host,
1777 (kssl_ctx->service_name)? kssl_ctx->service_name: KRB5SVC,
1778 KRB5_NT_SRV_HST, &krb5creds.server)) != 0)
1781 if ((krb5rc = krb5_cc_default(krb5context, &krb5ccdef)) != 0)
1784 if ((krb5rc = krb5_cc_get_principal(krb5context, krb5ccdef,
1785 &krb5creds.client)) != 0)
1788 if ((krb5rc = krb5_get_credentials(krb5context, 0, krb5ccdef,
1789 &krb5creds, &krb5credsp)) != 0)
1796 kssl_ctx_show(kssl_ctx);
1797 #endif /* KSSL_DEBUG */
1799 if (krb5creds.client) krb5_free_principal(krb5context, krb5creds.client);
1800 if (krb5creds.server) krb5_free_principal(krb5context, krb5creds.server);
1801 if (krb5context) krb5_free_context(krb5context);
1805 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_WIN32)
1806 void kssl_krb5_free_data_contents(krb5_context context, krb5_data *data)
1812 #elif defined(KRB5_MIT_OLD11)
1814 krb5_xfree(data->data);
1818 krb5_free_data_contents(NULL, data);
1821 #endif /* !OPENSSL_SYS_WINDOWS && !OPENSSL_SYS_WIN32 */
1824 /* Given pointers to KerberosTime and struct tm structs, convert the
1825 ** KerberosTime string to struct tm. Note that KerberosTime is a
1826 ** ASN1_GENERALIZEDTIME value, constrained to GMT with no fractional
1827 ** seconds as defined in RFC 1510.
1828 ** Return pointer to the (partially) filled in struct tm on success,
1829 ** return NULL on failure.
1831 struct tm *k_gmtime(ASN1_GENERALIZEDTIME *gtime, struct tm *k_tm)
1835 if (!k_tm) return NULL;
1836 if (gtime == NULL || gtime->length < 14) return NULL;
1837 if (gtime->data == NULL) return NULL;
1839 p = (char *)>ime->data[14];
1841 c = *p; *p = '\0'; p -= 2; k_tm->tm_sec = atoi(p); *(p+2) = c;
1842 c = *p; *p = '\0'; p -= 2; k_tm->tm_min = atoi(p); *(p+2) = c;
1843 c = *p; *p = '\0'; p -= 2; k_tm->tm_hour = atoi(p); *(p+2) = c;
1844 c = *p; *p = '\0'; p -= 2; k_tm->tm_mday = atoi(p); *(p+2) = c;
1845 c = *p; *p = '\0'; p -= 2; k_tm->tm_mon = atoi(p)-1; *(p+2) = c;
1846 c = *p; *p = '\0'; p -= 4; k_tm->tm_year = atoi(p)-1900; *(p+4) = c;
1852 /* Helper function for kssl_validate_times().
1853 ** We need context->clockskew, but krb5_context is an opaque struct.
1854 ** So we try to sneek the clockskew out through the replay cache.
1855 ** If that fails just return a likely default (300 seconds).
1857 krb5_deltat get_rc_clockskew(krb5_context context)
1860 krb5_deltat clockskew;
1862 if (krb5_rc_default(context, &rc)) return KSSL_CLOCKSKEW;
1863 if (krb5_rc_initialize(context, rc, 0)) return KSSL_CLOCKSKEW;
1864 if (krb5_rc_get_lifespan(context, rc, &clockskew)) {
1865 clockskew = KSSL_CLOCKSKEW;
1867 (void) krb5_rc_destroy(context, rc);
1872 /* kssl_validate_times() combines (and more importantly exposes)
1873 ** the MIT KRB5 internal function krb5_validate_times() and the
1874 ** in_clock_skew() macro. The authenticator client time is checked
1875 ** to be within clockskew secs of the current time and the current
1876 ** time is checked to be within the ticket start and expire times.
1877 ** Either check may be omitted by supplying a NULL value.
1878 ** Returns 0 for valid times, SSL_R_KRB5* error codes otherwise.
1879 ** See Also: (Kerberos source)/krb5/lib/krb5/krb/valid_times.c
1882 krb5_error_code kssl_validate_times( krb5_timestamp atime,
1883 krb5_ticket_times *ttimes)
1886 krb5_timestamp start, now;
1888 krb5_context context;
1890 if ((rc = krb5_init_context(&context))) return SSL_R_KRB5_S_BAD_TICKET;
1891 skew = get_rc_clockskew(context);
1892 if ((rc = krb5_timeofday(context,&now))) return SSL_R_KRB5_S_BAD_TICKET;
1893 krb5_free_context(context);
1895 if (atime && labs(atime - now) >= skew) return SSL_R_KRB5_S_TKT_SKEW;
1897 if (! ttimes) return 0;
1899 start = (ttimes->starttime != 0)? ttimes->starttime: ttimes->authtime;
1900 if (start - now > skew) return SSL_R_KRB5_S_TKT_NYV;
1901 if ((now - ttimes->endtime) > skew) return SSL_R_KRB5_S_TKT_EXPIRED;
1904 printf("kssl_validate_times: %d |<- | %d - %d | < %d ->| %d\n",
1905 start, atime, now, skew, ttimes->endtime);
1906 #endif /* KSSL_DEBUG */
1912 /* Decode and decrypt given DER-encoded authenticator, then pass
1913 ** authenticator ctime back in *atimep (or 0 if time unavailable).
1914 ** Returns krb5_error_code and kssl_err on error. A NULL
1915 ** authenticator (authentp->length == 0) is not considered an error.
1916 ** Note that kssl_check_authent() makes use of the KRB5 session key;
1917 ** you must call kssl_sget_tkt() to get the key before calling this routine.
1919 krb5_error_code kssl_check_authent(
1920 /* IN */ KSSL_CTX *kssl_ctx,
1921 /* IN */ krb5_data *authentp,
1922 /* OUT */ krb5_timestamp *atimep,
1923 /* OUT */ KSSL_ERR *kssl_err )
1925 krb5_error_code krb5rc = 0;
1926 KRB5_ENCDATA *dec_authent = NULL;
1927 KRB5_AUTHENTBODY *auth = NULL;
1928 krb5_enctype enctype;
1929 EVP_CIPHER_CTX ciph_ctx;
1930 EVP_CIPHER *enc = NULL;
1931 unsigned char iv[EVP_MAX_IV_LENGTH];
1932 unsigned char *p, *unenc_authent;
1933 int padl, outl, unencbufsize;
1934 struct tm tm_time, *tm_l, *tm_g;
1935 time_t now, tl, tg, tr, tz_offset;
1938 kssl_err_set(kssl_err, 0, "");
1940 #ifndef KRB5CHECKAUTH
1943 #if KRB5CHECKAUTH == 0
1946 #endif /* KRB5CHECKAUTH */
1948 if (authentp == NULL || authentp->length == 0) return 0;
1953 printf("kssl_check_authent: authenticator[%d]:\n",authentp->length);
1955 for (ui=0; ui < authentp->length; ui++) printf("%02x ",p[ui]);
1958 #endif /* KSSL_DEBUG */
1960 unencbufsize = 2 * authentp->length;
1961 if ((unenc_authent = calloc(1, unencbufsize)) == NULL)
1963 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1964 "Unable to allocate authenticator buffer.\n");
1965 krb5rc = KRB5KRB_ERR_GENERIC;
1969 p = (unsigned char *)authentp->data;
1970 if ((dec_authent = d2i_KRB5_ENCDATA(NULL, &p,
1971 (long) authentp->length)) == NULL)
1973 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
1974 "Error decoding authenticator.\n");
1975 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
1979 enctype = dec_authent->etype->data[0]; /* should = kssl_ctx->enctype */
1980 #if !defined(KRB5_MIT_OLD11)
1981 switch ( enctype ) {
1982 case ENCTYPE_DES3_CBC_SHA1: /* EVP_des_ede3_cbc(); */
1983 case ENCTYPE_DES3_CBC_SHA:
1984 case ENCTYPE_DES3_CBC_RAW:
1985 krb5rc = 0; /* Skip, can't handle derived keys */
1989 enc = kssl_map_enc(enctype);
1990 memset(iv, 0, EVP_MAX_IV_LENGTH); /* per RFC 1510 */
1994 /* Disable kssl_check_authent for ENCTYPE_DES3_CBC_SHA1.
1995 ** This enctype indicates the authenticator was encrypted
1996 ** using key-usage derived keys which openssl cannot decrypt.
2000 if (!EVP_DecryptInit_ex(&ciph_ctx, enc, NULL, kssl_ctx->key, iv))
2002 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2003 "EVP_DecryptInit_ex error decrypting authenticator.\n");
2004 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2007 if (!EVP_DecryptUpdate(&ciph_ctx, unenc_authent, &outl,
2008 dec_authent->cipher->data, dec_authent->cipher->length))
2010 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2011 "EVP_DecryptUpdate error decrypting authenticator.\n");
2012 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2015 if (outl > unencbufsize)
2017 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2018 "Buffer overflow decrypting authenticator.\n");
2019 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2022 if (!EVP_DecryptFinal_ex(&ciph_ctx, &(unenc_authent[outl]), &padl))
2024 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2025 "EVP_DecryptFinal_ex error decrypting authenticator.\n");
2026 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2030 if (outl > unencbufsize)
2032 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2033 "Buffer overflow decrypting authenticator.\n");
2034 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2037 EVP_CIPHER_CTX_cleanup(&ciph_ctx);
2040 printf("kssl_check_authent: decrypted authenticator[%d] =\n", outl);
2041 for (padl=0; padl < outl; padl++) printf("%02x ",unenc_authent[padl]);
2043 #endif /* KSSL_DEBUG */
2045 if ((p = kssl_skip_confound(enctype, unenc_authent)) == NULL)
2047 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2048 "confounded by authenticator.\n");
2049 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2052 outl -= p - unenc_authent;
2054 if ((auth = (KRB5_AUTHENTBODY *) d2i_KRB5_AUTHENT(NULL, &p,
2055 (long) outl))==NULL)
2057 kssl_err_set(kssl_err, SSL_R_KRB5_S_INIT,
2058 "Error decoding authenticator body.\n");
2059 krb5rc = KRB5KRB_AP_ERR_BAD_INTEGRITY;
2063 memset(&tm_time,0,sizeof(struct tm));
2064 if (k_gmtime(auth->ctime, &tm_time) &&
2065 ((tr = mktime(&tm_time)) != (time_t)(-1)))
2068 tm_l = localtime(&now); tl = mktime(tm_l);
2069 tm_g = gmtime(&now); tg = mktime(tm_g);
2070 tz_offset = tg - tl;
2072 *atimep = tr - tz_offset;
2076 printf("kssl_check_authent: returns %d for client time ", *atimep);
2077 if (auth && auth->ctime && auth->ctime->length && auth->ctime->data)
2078 printf("%.*s\n", auth->ctime->length, auth->ctime->data);
2079 else printf("NULL\n");
2080 #endif /* KSSL_DEBUG */
2083 if (auth) KRB5_AUTHENT_free((KRB5_AUTHENT *) auth);
2084 if (dec_authent) KRB5_ENCDATA_free(dec_authent);
2085 if (unenc_authent) free(unenc_authent);
2090 /* Replaces krb5_build_principal_ext(), with varargs length == 2 (svc, host),
2091 ** because I dont't know how to stub varargs.
2092 ** Returns krb5_error_code == ENOMEM on alloc error, otherwise
2093 ** passes back newly constructed principal, which should be freed by caller.
2095 krb5_error_code kssl_build_principal_2(
2096 /* UPDATE */ krb5_context context,
2097 /* OUT */ krb5_principal *princ,
2098 /* IN */ int rlen, const char *realm,
2099 /* IN */ int slen, const char *svc,
2100 /* IN */ int hlen, const char *host)
2102 krb5_data *p_data = NULL;
2103 krb5_principal new_p = NULL;
2106 if ((p_data = (krb5_data *) calloc(2, sizeof(krb5_data))) == NULL ||
2107 (new_p = (krb5_principal) calloc(1, sizeof(krb5_principal_data)))
2110 new_p->data = p_data;
2112 if ((new_r = calloc(1, rlen + 1)) == NULL) goto err;
2113 memcpy(new_r, realm, rlen);
2114 krb5_princ_set_realm_length(context, new_p, rlen);
2115 krb5_princ_set_realm_data(context, new_p, new_r);
2117 if ((new_p->data[0].data = calloc(1, slen + 1)) == NULL) goto err;
2118 memcpy(new_p->data[0].data, svc, slen);
2119 new_p->data[0].length = slen;
2121 if ((new_p->data[1].data = calloc(1, hlen + 1)) == NULL) goto err;
2122 memcpy(new_p->data[1].data, host, hlen);
2123 new_p->data[1].length = hlen;
2125 krb5_princ_type(context, new_p) = KRB5_NT_UNKNOWN;
2130 if (new_p && new_p[0].data) free(new_p[0].data);
2131 if (new_p && new_p[1].data) free(new_p[1].data);
2132 if (new_p) free(new_p);
2133 if (new_r) free(new_r);
2138 #else /* !OPENSSL_NO_KRB5 */
2140 #if defined(PEDANTIC) || defined(OPENSSL_SYS_VMS)
2141 static int dummy=(int)&dummy;
2144 #endif /* !OPENSSL_NO_KRB5 */