1 /*
2 * Copyright (c) 2003 Kungliga Tekniska Högskolan
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:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of KTH nor the names of its contributors may be
18 * used to endorse or promote products derived from this software without
19 * specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
22 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
28 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
32
33 #include "krb5_locl.h"
34 #include <getarg.h>
35 #include <err.h>
36
37 static void
test_alname(krb5_context context,krb5_const_realm realm,const char * user,const char * inst,const char * localuser,int ok)38 test_alname(krb5_context context, krb5_const_realm realm,
39 const char *user, const char *inst,
40 const char *localuser, int ok)
41 {
42 krb5_principal p;
43 char localname[1024];
44 krb5_error_code ret;
45 char *princ;
46
47 ret = krb5_make_principal(context, &p, realm, user, inst, NULL);
48 if (ret)
49 krb5_err(context, 1, ret, "krb5_build_principal");
50
51 ret = krb5_unparse_name(context, p, &princ);
52 if (ret)
53 krb5_err(context, 1, ret, "krb5_unparse_name");
54
55 ret = krb5_aname_to_localname(context, p, sizeof(localname), localname);
56 krb5_free_principal(context, p);
57 free(princ);
58 if (ret) {
59 if (!ok)
60 return;
61 krb5_err(context, 1, ret, "krb5_aname_to_localname: %s -> %s",
62 princ, localuser);
63 }
64
65 if (strcmp(localname, localuser) != 0) {
66 if (ok)
67 errx(1, "compared failed %s != %s (should have succeded)",
68 localname, localuser);
69 } else {
70 if (!ok)
71 errx(1, "compared failed %s == %s (should have failed)",
72 localname, localuser);
73 }
74
75 }
76
77 static int version_flag = 0;
78 static int help_flag = 0;
79
80 static struct getargs args[] = {
81 {"version", 0, arg_flag, &version_flag,
82 "print version", NULL },
83 {"help", 0, arg_flag, &help_flag,
84 NULL, NULL }
85 };
86
87 static void
usage(int ret)88 usage (int ret)
89 {
90 arg_printusage (args,
91 sizeof(args)/sizeof(*args),
92 NULL,
93 "");
94 exit (ret);
95 }
96
97 int
main(int argc,char ** argv)98 main(int argc, char **argv)
99 {
100 krb5_context context;
101 krb5_error_code ret;
102 krb5_realm realm;
103 int optidx = 0;
104 char *user;
105
106 setprogname(argv[0]);
107
108 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
109 usage(1);
110
111 if (help_flag)
112 usage (0);
113
114 if(version_flag){
115 print_version(NULL);
116 exit(0);
117 }
118
119 argc -= optidx;
120 argv += optidx;
121
122 if (argc != 1)
123 errx(1, "first argument should be a local user that in root .k5login");
124
125 user = argv[0];
126
127 ret = krb5_init_context(&context);
128 if (ret)
129 errx (1, "krb5_init_context failed: %d", ret);
130
131 ret = krb5_get_default_realm(context, &realm);
132 if (ret)
133 krb5_err(context, 1, ret, "krb5_get_default_realm");
134
135 test_alname(context, realm, user, NULL, user, 1);
136 test_alname(context, realm, user, "root", "root", 1);
137
138 test_alname(context, "FOO.BAR.BAZ.KAKA", user, NULL, user, 0);
139 test_alname(context, "FOO.BAR.BAZ.KAKA", user, "root", "root", 0);
140
141 test_alname(context, realm, user, NULL,
142 "not-same-as-user", 0);
143 test_alname(context, realm, user, "root",
144 "not-same-as-user", 0);
145
146 test_alname(context, "FOO.BAR.BAZ.KAKA", user, NULL,
147 "not-same-as-user", 0);
148 test_alname(context, "FOO.BAR.BAZ.KAKA", user, "root",
149 "not-same-as-user", 0);
150
151 krb5_free_context(context);
152
153 return 0;
154 }
155