1/* 2 * Copyright (c) 1997 - 1999, 2002 Kungliga Tekniska H�gskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 19 unchanged lines hidden (view full) --- 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#include <krb5_locl.h> 35 |
36RCSID("$Id: aname_to_localname.c,v 1.6 2003/04/16 16:01:06 lha Exp $"); |
37 38krb5_error_code 39krb5_aname_to_localname (krb5_context context, 40 krb5_const_principal aname, 41 size_t lnsize, 42 char *lname) 43{ 44 krb5_error_code ret; 45 krb5_realm *lrealms, *r; |
46 int valid; |
47 size_t len; 48 const char *res; 49 50 ret = krb5_get_default_realms (context, &lrealms); 51 if (ret) 52 return ret; 53 |
54 valid = 0; |
55 for (r = lrealms; *r != NULL; ++r) { |
56 if (strcmp (*r, aname->realm) == 0) { 57 valid = 1; |
58 break; |
59 } |
60 } 61 krb5_free_host_realm (context, lrealms); |
62 if (valid == 0) |
63 return KRB5_NO_LOCALNAME; 64 65 if (aname->name.name_string.len == 1) 66 res = aname->name.name_string.val[0]; 67 else if (aname->name.name_string.len == 2 |
68 && strcmp (aname->name.name_string.val[1], "root") == 0) { 69 krb5_principal rootprinc; 70 krb5_boolean userok; 71 |
72 res = "root"; |
73 74 ret = krb5_copy_principal(context, aname, &rootprinc); 75 if (ret) 76 return ret; 77 78 userok = krb5_kuserok(context, rootprinc, res); 79 krb5_free_principal(context, rootprinc); 80 if (!userok) 81 return KRB5_NO_LOCALNAME; 82 83 } else |
84 return KRB5_NO_LOCALNAME; 85 86 len = strlen (res); 87 if (len >= lnsize) 88 return ERANGE; |
89 strlcpy (lname, res, lnsize); 90 |
91 return 0; 92} |