xref: /onnv-gate/usr/src/lib/krb5/kadm5/str_conv.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
3*0Sstevel@tonic-gate  * Use is subject to license terms.
4*0Sstevel@tonic-gate  */
5*0Sstevel@tonic-gate 
6*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
7*0Sstevel@tonic-gate 
8*0Sstevel@tonic-gate /*
9*0Sstevel@tonic-gate  * WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
10*0Sstevel@tonic-gate  *
11*0Sstevel@tonic-gate  *	Openvision retains the copyright to derivative works of
12*0Sstevel@tonic-gate  *	this source code.  Do *NOT* create a derivative of this
13*0Sstevel@tonic-gate  *	source code before consulting with your legal department.
14*0Sstevel@tonic-gate  *	Do *NOT* integrate *ANY* of this source code into another
15*0Sstevel@tonic-gate  *	product before consulting with your legal department.
16*0Sstevel@tonic-gate  *
17*0Sstevel@tonic-gate  *	For further information, read the top-level Openvision
18*0Sstevel@tonic-gate  *	copyright which is contained in the top-level MIT Kerberos
19*0Sstevel@tonic-gate  *	copyright.
20*0Sstevel@tonic-gate  *
21*0Sstevel@tonic-gate  * WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
22*0Sstevel@tonic-gate  *
23*0Sstevel@tonic-gate  */
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate  * lib/kadm/str_conv.c
28*0Sstevel@tonic-gate  *
29*0Sstevel@tonic-gate  * Copyright 1995 by the Massachusetts Institute of Technology.
30*0Sstevel@tonic-gate  * All Rights Reserved.
31*0Sstevel@tonic-gate  *
32*0Sstevel@tonic-gate  * Export of this software from the United States of America may
33*0Sstevel@tonic-gate  *   require a specific license from the United States Government.
34*0Sstevel@tonic-gate  *   It is the responsibility of any person or organization contemplating
35*0Sstevel@tonic-gate  *   export to obtain such a license before exporting.
36*0Sstevel@tonic-gate  *
37*0Sstevel@tonic-gate  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
38*0Sstevel@tonic-gate  * distribute this software and its documentation for any purpose and
39*0Sstevel@tonic-gate  * without fee is hereby granted, provided that the above copyright
40*0Sstevel@tonic-gate  * notice appear in all copies and that both that copyright notice and
41*0Sstevel@tonic-gate  * this permission notice appear in supporting documentation, and that
42*0Sstevel@tonic-gate  * the name of M.I.T. not be used in advertising or publicity pertaining
43*0Sstevel@tonic-gate  * to distribution of the software without specific, written prior
44*0Sstevel@tonic-gate  * permission.  Furthermore if you modify this software you must label
45*0Sstevel@tonic-gate  * your software as modified software and not distribute it in such a
46*0Sstevel@tonic-gate  * fashion that it might be confused with the original M.I.T. software.
47*0Sstevel@tonic-gate  * M.I.T. makes no representations about the suitability of
48*0Sstevel@tonic-gate  * this software for any purpose.  It is provided "as is" without express
49*0Sstevel@tonic-gate  * or implied warranty.
50*0Sstevel@tonic-gate  *
51*0Sstevel@tonic-gate  */
52*0Sstevel@tonic-gate 
53*0Sstevel@tonic-gate /*
54*0Sstevel@tonic-gate  * str_conv.c - Convert between strings and Kerberos internal data.
55*0Sstevel@tonic-gate  */
56*0Sstevel@tonic-gate 
57*0Sstevel@tonic-gate /*
58*0Sstevel@tonic-gate  * Table of contents:
59*0Sstevel@tonic-gate  *
60*0Sstevel@tonic-gate  * String decoding:
61*0Sstevel@tonic-gate  * ----------------
62*0Sstevel@tonic-gate  * krb5_string_to_flags()	- Convert string to krb5_flags.
63*0Sstevel@tonic-gate  *
64*0Sstevel@tonic-gate  * String encoding:
65*0Sstevel@tonic-gate  * ----------------
66*0Sstevel@tonic-gate  * krb5_flags_to_string()	- Convert krb5_flags to string.
67*0Sstevel@tonic-gate  */
68*0Sstevel@tonic-gate 
69*0Sstevel@tonic-gate #include "k5-int.h"
70*0Sstevel@tonic-gate #include "admin_internal.h"
71*0Sstevel@tonic-gate 
72*0Sstevel@tonic-gate /*
73*0Sstevel@tonic-gate  * Local data structures.
74*0Sstevel@tonic-gate  */
75*0Sstevel@tonic-gate struct flags_lookup_entry {
76*0Sstevel@tonic-gate     krb5_flags		fl_flags;		/* Flag			*/
77*0Sstevel@tonic-gate     krb5_boolean	fl_sense;		/* Sense of the flag	*/
78*0Sstevel@tonic-gate     const char *	fl_specifier;		/* How to recognize it	*/
79*0Sstevel@tonic-gate     const char *	fl_output;		/* How to spit it out	*/
80*0Sstevel@tonic-gate };
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate /*
83*0Sstevel@tonic-gate  * Local strings
84*0Sstevel@tonic-gate  */
85*0Sstevel@tonic-gate 
86*0Sstevel@tonic-gate static const char default_tupleseps[]   = ", \t";
87*0Sstevel@tonic-gate static const char default_ksaltseps[]   = ":.";
88*0Sstevel@tonic-gate 
89*0Sstevel@tonic-gate /* Keytype strings */
90*0Sstevel@tonic-gate /* Flags strings */
91*0Sstevel@tonic-gate static const char flags_pdate_in[]	= "postdateable";
92*0Sstevel@tonic-gate static const char flags_fwd_in[]	= "forwardable";
93*0Sstevel@tonic-gate static const char flags_tgtbased_in[]	= "tgt-based";
94*0Sstevel@tonic-gate static const char flags_renew_in[]	= "renewable";
95*0Sstevel@tonic-gate static const char flags_proxy_in[]	= "proxiable";
96*0Sstevel@tonic-gate static const char flags_dup_skey_in[]	= "dup-skey";
97*0Sstevel@tonic-gate static const char flags_tickets_in[]	= "allow-tickets";
98*0Sstevel@tonic-gate static const char flags_preauth_in[]	= "preauth";
99*0Sstevel@tonic-gate static const char flags_hwauth_in[]	= "hwauth";
100*0Sstevel@tonic-gate static const char flags_pwchange_in[]	= "pwchange";
101*0Sstevel@tonic-gate static const char flags_service_in[]	= "service";
102*0Sstevel@tonic-gate static const char flags_pwsvc_in[]	= "pwservice";
103*0Sstevel@tonic-gate static const char flags_md5_in[]	= "md5";
104*0Sstevel@tonic-gate static const char flags_pdate_out[]	= "Not Postdateable";
105*0Sstevel@tonic-gate static const char flags_fwd_out[]	= "Not Forwardable";
106*0Sstevel@tonic-gate static const char flags_tgtbased_out[]	= "No TGT-based requests";
107*0Sstevel@tonic-gate static const char flags_renew_out[]	= "Not renewable";
108*0Sstevel@tonic-gate static const char flags_proxy_out[]	= "Not proxiable";
109*0Sstevel@tonic-gate static const char flags_dup_skey_out[]	= "No DUP_SKEY requests";
110*0Sstevel@tonic-gate static const char flags_tickets_out[]	= "All Tickets Disallowed";
111*0Sstevel@tonic-gate static const char flags_preauth_out[]	= "Preauthorization required";
112*0Sstevel@tonic-gate static const char flags_hwauth_out[]	= "HW Authorization required";
113*0Sstevel@tonic-gate static const char flags_pwchange_out[]	= "Password Change required";
114*0Sstevel@tonic-gate static const char flags_service_out[]	= "Service Disabled";
115*0Sstevel@tonic-gate static const char flags_pwsvc_out[]	= "Password Changing Service";
116*0Sstevel@tonic-gate static const char flags_md5_out[]	= "RSA-MD5 supported";
117*0Sstevel@tonic-gate static const char flags_default_neg[]	= "-";
118*0Sstevel@tonic-gate static const char flags_default_sep[]	= " ";
119*0Sstevel@tonic-gate 
120*0Sstevel@tonic-gate /*
121*0Sstevel@tonic-gate  * Lookup tables.
122*0Sstevel@tonic-gate  */
123*0Sstevel@tonic-gate 
124*0Sstevel@tonic-gate static const struct flags_lookup_entry flags_table[] = {
125*0Sstevel@tonic-gate /* flag				sense	input specifier	   output string     */
126*0Sstevel@tonic-gate /*----------------------------- -------	------------------ ------------------*/
127*0Sstevel@tonic-gate { KRB5_KDB_DISALLOW_POSTDATED,	0,	flags_pdate_in,	   flags_pdate_out   },
128*0Sstevel@tonic-gate { KRB5_KDB_DISALLOW_FORWARDABLE,0,	flags_fwd_in,	   flags_fwd_out     },
129*0Sstevel@tonic-gate { KRB5_KDB_DISALLOW_TGT_BASED,	0,	flags_tgtbased_in, flags_tgtbased_out},
130*0Sstevel@tonic-gate { KRB5_KDB_DISALLOW_RENEWABLE,	0,	flags_renew_in,	   flags_renew_out   },
131*0Sstevel@tonic-gate { KRB5_KDB_DISALLOW_PROXIABLE,	0,	flags_proxy_in,	   flags_proxy_out   },
132*0Sstevel@tonic-gate { KRB5_KDB_DISALLOW_DUP_SKEY,	0,	flags_dup_skey_in, flags_dup_skey_out},
133*0Sstevel@tonic-gate { KRB5_KDB_DISALLOW_ALL_TIX,	0,	flags_tickets_in,  flags_tickets_out },
134*0Sstevel@tonic-gate { KRB5_KDB_REQUIRES_PRE_AUTH,	1,	flags_preauth_in,  flags_preauth_out },
135*0Sstevel@tonic-gate { KRB5_KDB_REQUIRES_HW_AUTH,	1,	flags_hwauth_in,   flags_hwauth_out  },
136*0Sstevel@tonic-gate { KRB5_KDB_REQUIRES_PWCHANGE,	1,	flags_pwchange_in, flags_pwchange_out},
137*0Sstevel@tonic-gate { KRB5_KDB_DISALLOW_SVR,	0,	flags_service_in,  flags_service_out },
138*0Sstevel@tonic-gate { KRB5_KDB_PWCHANGE_SERVICE,	1,	flags_pwsvc_in,	   flags_pwsvc_out   },
139*0Sstevel@tonic-gate { KRB5_KDB_SUPPORT_DESMD5,	1,	flags_md5_in,	   flags_md5_out     }
140*0Sstevel@tonic-gate };
141*0Sstevel@tonic-gate static const int flags_table_nents = sizeof(flags_table)/
142*0Sstevel@tonic-gate 				     sizeof(flags_table[0]);
143*0Sstevel@tonic-gate 
144*0Sstevel@tonic-gate 
145*0Sstevel@tonic-gate krb5_error_code
146*0Sstevel@tonic-gate krb5_string_to_flags(string, positive, negative, flagsp)
147*0Sstevel@tonic-gate     char	* string;
148*0Sstevel@tonic-gate     const char	* positive;
149*0Sstevel@tonic-gate     const char	* negative;
150*0Sstevel@tonic-gate     krb5_flags	* flagsp;
151*0Sstevel@tonic-gate {
152*0Sstevel@tonic-gate     int 	i;
153*0Sstevel@tonic-gate     int 	found;
154*0Sstevel@tonic-gate     const char	*neg;
155*0Sstevel@tonic-gate     size_t	nsize, psize;
156*0Sstevel@tonic-gate     int		cpos;
157*0Sstevel@tonic-gate     int		sense;
158*0Sstevel@tonic-gate 
159*0Sstevel@tonic-gate     found = 0;
160*0Sstevel@tonic-gate     /* We need to have a way to negate it. */
161*0Sstevel@tonic-gate     neg = (negative) ? negative : flags_default_neg;
162*0Sstevel@tonic-gate     nsize = strlen(neg);
163*0Sstevel@tonic-gate     psize = (positive) ? strlen(positive) : 0;
164*0Sstevel@tonic-gate 
165*0Sstevel@tonic-gate     cpos = 0;
166*0Sstevel@tonic-gate     sense = 1;
167*0Sstevel@tonic-gate     /* First check for positive or negative sense */
168*0Sstevel@tonic-gate     if (!strncasecmp(neg, string, nsize)) {
169*0Sstevel@tonic-gate 	sense = 0;
170*0Sstevel@tonic-gate 	cpos += (int) nsize;
171*0Sstevel@tonic-gate     }
172*0Sstevel@tonic-gate     else if (psize && !strncasecmp(positive, string, psize)) {
173*0Sstevel@tonic-gate 	cpos += (int) psize;
174*0Sstevel@tonic-gate     }
175*0Sstevel@tonic-gate 
176*0Sstevel@tonic-gate     for (i=0; i<flags_table_nents; i++) {
177*0Sstevel@tonic-gate 	if (!strcasecmp(&string[cpos], flags_table[i].fl_specifier)) {
178*0Sstevel@tonic-gate 	    found = 1;
179*0Sstevel@tonic-gate 	    if (sense == (int) flags_table[i].fl_sense)
180*0Sstevel@tonic-gate 		*flagsp |= flags_table[i].fl_flags;
181*0Sstevel@tonic-gate 	    else
182*0Sstevel@tonic-gate 		*flagsp &= ~flags_table[i].fl_flags;
183*0Sstevel@tonic-gate 
184*0Sstevel@tonic-gate 	    break;
185*0Sstevel@tonic-gate 	}
186*0Sstevel@tonic-gate     }
187*0Sstevel@tonic-gate     return((found) ? 0 : EINVAL);
188*0Sstevel@tonic-gate }
189*0Sstevel@tonic-gate 
190*0Sstevel@tonic-gate krb5_error_code
191*0Sstevel@tonic-gate krb5_flags_to_string(flags, sep, buffer, buflen)
192*0Sstevel@tonic-gate     krb5_flags	flags;
193*0Sstevel@tonic-gate     const char	* sep;
194*0Sstevel@tonic-gate     char	* buffer;
195*0Sstevel@tonic-gate     size_t	buflen;
196*0Sstevel@tonic-gate {
197*0Sstevel@tonic-gate     int			i;
198*0Sstevel@tonic-gate     krb5_flags		pflags;
199*0Sstevel@tonic-gate     const char		*sepstring;
200*0Sstevel@tonic-gate     char		*op;
201*0Sstevel@tonic-gate     int			initial;
202*0Sstevel@tonic-gate     krb5_error_code	retval;
203*0Sstevel@tonic-gate 
204*0Sstevel@tonic-gate     retval = 0;
205*0Sstevel@tonic-gate     op = buffer;
206*0Sstevel@tonic-gate     pflags = 0;
207*0Sstevel@tonic-gate     initial = 1;
208*0Sstevel@tonic-gate     sepstring = (sep) ? sep : flags_default_sep;
209*0Sstevel@tonic-gate     /* Blast through the table matching all we can */
210*0Sstevel@tonic-gate     for (i=0; i<flags_table_nents; i++) {
211*0Sstevel@tonic-gate 	if (flags & flags_table[i].fl_flags) {
212*0Sstevel@tonic-gate 	    /* Found a match, see if it'll fit into the output buffer */
213*0Sstevel@tonic-gate 	    if ((op+strlen(flags_table[i].fl_output)+strlen(sepstring)) <
214*0Sstevel@tonic-gate 		(buffer + buflen)) {
215*0Sstevel@tonic-gate 		if (!initial) {
216*0Sstevel@tonic-gate 		    strcpy(op, sep);
217*0Sstevel@tonic-gate 		    op += strlen(sep);
218*0Sstevel@tonic-gate 		}
219*0Sstevel@tonic-gate 		initial = 0;
220*0Sstevel@tonic-gate 		strcpy(op, flags_table[i].fl_output);
221*0Sstevel@tonic-gate 		op += strlen(flags_table[i].fl_output);
222*0Sstevel@tonic-gate 	    }
223*0Sstevel@tonic-gate 	    else {
224*0Sstevel@tonic-gate 		retval = ENOMEM;
225*0Sstevel@tonic-gate 		break;
226*0Sstevel@tonic-gate 	    }
227*0Sstevel@tonic-gate 	    /* Keep track of what we matched */
228*0Sstevel@tonic-gate 	    pflags |= flags_table[i].fl_flags;
229*0Sstevel@tonic-gate 	}
230*0Sstevel@tonic-gate     }
231*0Sstevel@tonic-gate     if (!retval) {
232*0Sstevel@tonic-gate 	/* See if there's any leftovers */
233*0Sstevel@tonic-gate 	if (flags & ~pflags)
234*0Sstevel@tonic-gate 	    retval = EINVAL;
235*0Sstevel@tonic-gate 	else if (initial)
236*0Sstevel@tonic-gate 	    *buffer = '\0';
237*0Sstevel@tonic-gate     }
238*0Sstevel@tonic-gate     return(retval);
239*0Sstevel@tonic-gate }
240*0Sstevel@tonic-gate 
241*0Sstevel@tonic-gate krb5_error_code
242*0Sstevel@tonic-gate krb5_input_flag_to_string(flag, buffer, buflen)
243*0Sstevel@tonic-gate     int		flag;
244*0Sstevel@tonic-gate     char	* buffer;
245*0Sstevel@tonic-gate     size_t	buflen;
246*0Sstevel@tonic-gate {
247*0Sstevel@tonic-gate     if(flag < 0 || flag >= flags_table_nents) return ENOENT; /* End of list */
248*0Sstevel@tonic-gate     if(strlen(flags_table[flag].fl_specifier) > buflen) return ENOMEM;
249*0Sstevel@tonic-gate     strcpy(buffer, flags_table[flag].fl_specifier);
250*0Sstevel@tonic-gate     return  0;
251*0Sstevel@tonic-gate }
252*0Sstevel@tonic-gate 
253*0Sstevel@tonic-gate /*
254*0Sstevel@tonic-gate  * krb5_keysalt_is_present()	- Determine if a key/salt pair is present
255*0Sstevel@tonic-gate  *				  in a list of key/salt tuples.
256*0Sstevel@tonic-gate  *
257*0Sstevel@tonic-gate  *	Salttype may be negative to indicate a search for only a enctype.
258*0Sstevel@tonic-gate  */
259*0Sstevel@tonic-gate krb5_boolean
260*0Sstevel@tonic-gate krb5_keysalt_is_present(ksaltlist, nksalts, enctype, salttype)
261*0Sstevel@tonic-gate     krb5_key_salt_tuple	*ksaltlist;
262*0Sstevel@tonic-gate     krb5_int32		nksalts;
263*0Sstevel@tonic-gate     krb5_enctype	enctype;
264*0Sstevel@tonic-gate     krb5_int32		salttype;
265*0Sstevel@tonic-gate {
266*0Sstevel@tonic-gate     krb5_boolean	foundit;
267*0Sstevel@tonic-gate     int			i;
268*0Sstevel@tonic-gate 
269*0Sstevel@tonic-gate     foundit = 0;
270*0Sstevel@tonic-gate     if (ksaltlist) {
271*0Sstevel@tonic-gate 	for (i=0; i<nksalts; i++) {
272*0Sstevel@tonic-gate 	    if ((ksaltlist[i].ks_enctype == enctype) &&
273*0Sstevel@tonic-gate 		((ksaltlist[i].ks_salttype == salttype) ||
274*0Sstevel@tonic-gate 		 (salttype < 0))) {
275*0Sstevel@tonic-gate 		foundit = 1;
276*0Sstevel@tonic-gate 		break;
277*0Sstevel@tonic-gate 	    }
278*0Sstevel@tonic-gate 	}
279*0Sstevel@tonic-gate     }
280*0Sstevel@tonic-gate     return(foundit);
281*0Sstevel@tonic-gate }
282*0Sstevel@tonic-gate 
283*0Sstevel@tonic-gate /*
284*0Sstevel@tonic-gate  * krb5_string_to_keysalts()	- Convert a string representation to a list
285*0Sstevel@tonic-gate  *				  of key/salt tuples.
286*0Sstevel@tonic-gate  */
287*0Sstevel@tonic-gate krb5_error_code
288*0Sstevel@tonic-gate krb5_string_to_keysalts(string, tupleseps, ksaltseps, dups, ksaltp, nksaltp)
289*0Sstevel@tonic-gate     char		*string;
290*0Sstevel@tonic-gate     const char		*tupleseps;
291*0Sstevel@tonic-gate     const char		*ksaltseps;
292*0Sstevel@tonic-gate     krb5_boolean	dups;
293*0Sstevel@tonic-gate     krb5_key_salt_tuple	**ksaltp;
294*0Sstevel@tonic-gate     krb5_int32		*nksaltp;
295*0Sstevel@tonic-gate {
296*0Sstevel@tonic-gate     krb5_error_code	kret;
297*0Sstevel@tonic-gate     char 		*kp, *sp, *ep;
298*0Sstevel@tonic-gate     char		sepchar, trailchar;
299*0Sstevel@tonic-gate     krb5_enctype	ktype;
300*0Sstevel@tonic-gate     krb5_int32		stype;
301*0Sstevel@tonic-gate     krb5_key_salt_tuple	*savep;
302*0Sstevel@tonic-gate     const char		*tseplist;
303*0Sstevel@tonic-gate     const char		*ksseplist;
304*0Sstevel@tonic-gate     const char		*septmp;
305*0Sstevel@tonic-gate     size_t		len;
306*0Sstevel@tonic-gate 
307*0Sstevel@tonic-gate     kret = 0;
308*0Sstevel@tonic-gate     kp = string;
309*0Sstevel@tonic-gate     tseplist = (tupleseps) ? tupleseps : default_tupleseps;
310*0Sstevel@tonic-gate     ksseplist = (ksaltseps) ? ksaltseps : default_ksaltseps;
311*0Sstevel@tonic-gate     while (kp) {
312*0Sstevel@tonic-gate 	/* Attempt to find a separator */
313*0Sstevel@tonic-gate 	ep = (char *) NULL;
314*0Sstevel@tonic-gate 	if (*tseplist) {
315*0Sstevel@tonic-gate 	    septmp = tseplist;
316*0Sstevel@tonic-gate 	    for (ep = strchr(kp, (int) *septmp);
317*0Sstevel@tonic-gate 		 *(++septmp) && !ep;
318*0Sstevel@tonic-gate 		 ep = strchr(kp, (int) *septmp));
319*0Sstevel@tonic-gate 	}
320*0Sstevel@tonic-gate 
321*0Sstevel@tonic-gate 	if (ep) {
322*0Sstevel@tonic-gate 	    trailchar = *ep;
323*0Sstevel@tonic-gate 	    *ep = '\0';
324*0Sstevel@tonic-gate 	    ep++;
325*0Sstevel@tonic-gate 	}
326*0Sstevel@tonic-gate 	/*
327*0Sstevel@tonic-gate 	 * kp points to something (hopefully) of the form:
328*0Sstevel@tonic-gate 	 *	<enctype><ksseplist><salttype>
329*0Sstevel@tonic-gate 	 *	or
330*0Sstevel@tonic-gate 	 *	<enctype>
331*0Sstevel@tonic-gate 	 */
332*0Sstevel@tonic-gate 	sp = (char *) NULL;
333*0Sstevel@tonic-gate 	/* Attempt to find a separator */
334*0Sstevel@tonic-gate 	septmp = ksseplist;
335*0Sstevel@tonic-gate 	for (sp = strchr(kp, (int) *septmp);
336*0Sstevel@tonic-gate 	     *(++septmp) && !sp;
337*0Sstevel@tonic-gate 	     sp = strchr(kp, (int)*septmp));
338*0Sstevel@tonic-gate 
339*0Sstevel@tonic-gate 	if (sp) {
340*0Sstevel@tonic-gate 	    /* Separate enctype from salttype */
341*0Sstevel@tonic-gate 	    sepchar = *sp;
342*0Sstevel@tonic-gate 	    *sp = '\0';
343*0Sstevel@tonic-gate 	    sp++;
344*0Sstevel@tonic-gate 	}
345*0Sstevel@tonic-gate 	else
346*0Sstevel@tonic-gate 	    stype = -1;
347*0Sstevel@tonic-gate 
348*0Sstevel@tonic-gate 	/*
349*0Sstevel@tonic-gate 	 * Attempt to parse enctype and salttype.  If we parse well
350*0Sstevel@tonic-gate 	 * then make sure that it specifies a unique key/salt combo
351*0Sstevel@tonic-gate 	 */
352*0Sstevel@tonic-gate 	if (!(kret = krb5_string_to_enctype(kp, &ktype)) &&
353*0Sstevel@tonic-gate 	    (!sp || !(kret = krb5_string_to_salttype(sp, &stype))) &&
354*0Sstevel@tonic-gate 	    (dups ||
355*0Sstevel@tonic-gate 	     !krb5_keysalt_is_present(*ksaltp, *nksaltp, ktype, stype))) {
356*0Sstevel@tonic-gate 
357*0Sstevel@tonic-gate 	    /* Squirrel away old keysalt array */
358*0Sstevel@tonic-gate 	    savep = *ksaltp;
359*0Sstevel@tonic-gate 	    len = (size_t) *nksaltp;
360*0Sstevel@tonic-gate 
361*0Sstevel@tonic-gate 	    /* Get new keysalt array */
362*0Sstevel@tonic-gate 	    if (*ksaltp = (krb5_key_salt_tuple *)
363*0Sstevel@tonic-gate 		malloc((len + 1) * sizeof(krb5_key_salt_tuple))) {
364*0Sstevel@tonic-gate 
365*0Sstevel@tonic-gate 		/* Copy old keysalt if appropriate */
366*0Sstevel@tonic-gate 		if (savep) {
367*0Sstevel@tonic-gate 		    memcpy(*ksaltp, savep,
368*0Sstevel@tonic-gate 			   len * sizeof(krb5_key_salt_tuple));
369*0Sstevel@tonic-gate 		    krb5_xfree(savep);
370*0Sstevel@tonic-gate 		}
371*0Sstevel@tonic-gate 
372*0Sstevel@tonic-gate 		/* Save our values */
373*0Sstevel@tonic-gate 		(*ksaltp)[(*nksaltp)].ks_enctype = ktype;
374*0Sstevel@tonic-gate 		(*ksaltp)[(*nksaltp)].ks_salttype = stype;
375*0Sstevel@tonic-gate 		(*nksaltp)++;
376*0Sstevel@tonic-gate 	    }
377*0Sstevel@tonic-gate 	    else {
378*0Sstevel@tonic-gate 		*ksaltp = savep;
379*0Sstevel@tonic-gate 		break;
380*0Sstevel@tonic-gate 	    }
381*0Sstevel@tonic-gate 	}
382*0Sstevel@tonic-gate 	/*
383*0Sstevel@tonic-gate 	 * Solaris Kerberos
384*0Sstevel@tonic-gate 	 * If the string did not yield a valid enctype/keysalt
385*0Sstevel@tonic-gate 	 * just ignore it and continue on.  MIT kerberos stops
386*0Sstevel@tonic-gate 	 * searching when if finds an unknown string.
387*0Sstevel@tonic-gate 	 */
388*0Sstevel@tonic-gate 	if (sp)
389*0Sstevel@tonic-gate 	    sp[-1] = sepchar;
390*0Sstevel@tonic-gate 	if (ep)
391*0Sstevel@tonic-gate 	    ep[-1] = trailchar;
392*0Sstevel@tonic-gate 	kp = ep;
393*0Sstevel@tonic-gate 
394*0Sstevel@tonic-gate 	/* Skip over extra separators - like spaces */
395*0Sstevel@tonic-gate 	if (kp && *tseplist) {
396*0Sstevel@tonic-gate 	  septmp = tseplist;
397*0Sstevel@tonic-gate 	  while(*septmp && *kp) {
398*0Sstevel@tonic-gate 	    if(*septmp == *kp) {
399*0Sstevel@tonic-gate 	      /* Increment string - reset separator list */
400*0Sstevel@tonic-gate 	      kp++;
401*0Sstevel@tonic-gate 	      septmp = tseplist;
402*0Sstevel@tonic-gate 	    } else {
403*0Sstevel@tonic-gate 	      septmp++;
404*0Sstevel@tonic-gate 	    }
405*0Sstevel@tonic-gate 	  }
406*0Sstevel@tonic-gate 	  if (!*kp) kp = NULL;
407*0Sstevel@tonic-gate 	}
408*0Sstevel@tonic-gate     } /* while kp */
409*0Sstevel@tonic-gate     return(kret);
410*0Sstevel@tonic-gate }
411*0Sstevel@tonic-gate 
412*0Sstevel@tonic-gate /*
413*0Sstevel@tonic-gate  * krb5_keysalt_iterate()	- Do something for each unique key/salt
414*0Sstevel@tonic-gate  *				  combination.
415*0Sstevel@tonic-gate  *
416*0Sstevel@tonic-gate  * If ignoresalt set, then salttype is ignored.
417*0Sstevel@tonic-gate  */
418*0Sstevel@tonic-gate krb5_error_code
419*0Sstevel@tonic-gate krb5_keysalt_iterate(ksaltlist, nksalt, ignoresalt, iterator, arg)
420*0Sstevel@tonic-gate     krb5_key_salt_tuple	*ksaltlist;
421*0Sstevel@tonic-gate     krb5_int32		nksalt;
422*0Sstevel@tonic-gate     krb5_boolean	ignoresalt;
423*0Sstevel@tonic-gate     krb5_error_code	(*iterator) KRB5_NPROTOTYPE((krb5_key_salt_tuple *,
424*0Sstevel@tonic-gate 						     krb5_pointer));
425*0Sstevel@tonic-gate     krb5_pointer	arg;
426*0Sstevel@tonic-gate {
427*0Sstevel@tonic-gate     int			i;
428*0Sstevel@tonic-gate     krb5_error_code	kret;
429*0Sstevel@tonic-gate     krb5_key_salt_tuple	scratch;
430*0Sstevel@tonic-gate 
431*0Sstevel@tonic-gate     kret = 0;
432*0Sstevel@tonic-gate     for (i=0; i<nksalt; i++) {
433*0Sstevel@tonic-gate 	scratch.ks_enctype = ksaltlist[i].ks_enctype;
434*0Sstevel@tonic-gate 	scratch.ks_salttype = (ignoresalt) ? -1 : ksaltlist[i].ks_salttype;
435*0Sstevel@tonic-gate 	if (!krb5_keysalt_is_present(ksaltlist,
436*0Sstevel@tonic-gate 				     i,
437*0Sstevel@tonic-gate 				     scratch.ks_enctype,
438*0Sstevel@tonic-gate 				     scratch.ks_salttype)) {
439*0Sstevel@tonic-gate 	    if (kret = (*iterator)(&scratch, arg))
440*0Sstevel@tonic-gate 		break;
441*0Sstevel@tonic-gate 	}
442*0Sstevel@tonic-gate     }
443*0Sstevel@tonic-gate     return(kret);
444*0Sstevel@tonic-gate }
445