1 /*
2 * Copyright (c) 1997-2004 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 the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 "ktutil_locl.h"
35 #include <rtbl.h>
36
37 RCSID("$Id$");
38
39 static int
do_list(struct list_options * opt,const char * keytab_str)40 do_list(struct list_options *opt, const char *keytab_str)
41 {
42 krb5_error_code ret;
43 krb5_keytab keytab;
44 krb5_keytab_entry entry;
45 krb5_kt_cursor cursor;
46 rtbl_t table;
47
48 /* XXX specialcase the ANY type */
49 if(strncasecmp(keytab_str, "ANY:", 4) == 0) {
50 int flag = 0;
51 char buf[1024];
52 keytab_str += 4;
53 ret = 0;
54 while (strsep_copy((const char**)&keytab_str, ",",
55 buf, sizeof(buf)) != -1) {
56 if(flag)
57 printf("\n");
58 if(do_list(opt, buf))
59 ret = 1;
60 flag = 1;
61 }
62 return ret;
63 }
64
65 ret = krb5_kt_resolve(context, keytab_str, &keytab);
66 if (ret) {
67 krb5_warn(context, ret, "resolving keytab %s", keytab_str);
68 return ret;
69 }
70
71 ret = krb5_kt_start_seq_get(context, keytab, &cursor);
72 if(ret) {
73 krb5_warn(context, ret, "krb5_kt_start_seq_get %s", keytab_str);
74 krb5_kt_close(context, keytab);
75 return ret;
76 }
77
78 printf ("%s:\n\n", keytab_str);
79
80 table = rtbl_create();
81 rtbl_add_column_by_id(table, 0, "Vno", RTBL_ALIGN_RIGHT);
82 rtbl_add_column_by_id(table, 1, "Type", 0);
83 rtbl_add_column_by_id(table, 2, "Principal", 0);
84 if (opt->timestamp_flag)
85 rtbl_add_column_by_id(table, 3, "Date", 0);
86 if(opt->keys_flag)
87 rtbl_add_column_by_id(table, 4, "Key", 0);
88 rtbl_add_column_by_id(table, 5, "Aliases", 0);
89 rtbl_set_separator(table, " ");
90
91 while(krb5_kt_next_entry(context, keytab, &entry, &cursor) == 0){
92 char buf[1024], *s;
93
94 snprintf(buf, sizeof(buf), "%d", entry.vno);
95 rtbl_add_column_entry_by_id(table, 0, buf);
96
97 ret = krb5_enctype_to_string(context,
98 entry.keyblock.keytype, &s);
99 if (ret != 0) {
100 snprintf(buf, sizeof(buf), "unknown (%d)", entry.keyblock.keytype);
101 rtbl_add_column_entry_by_id(table, 1, buf);
102 } else {
103 rtbl_add_column_entry_by_id(table, 1, s);
104 free(s);
105 }
106
107 krb5_unparse_name_fixed(context, entry.principal, buf, sizeof(buf));
108 rtbl_add_column_entry_by_id(table, 2, buf);
109
110 if (opt->timestamp_flag) {
111 krb5_format_time(context, entry.timestamp, buf,
112 sizeof(buf), FALSE);
113 rtbl_add_column_entry_by_id(table, 3, buf);
114 }
115 if(opt->keys_flag) {
116 size_t i;
117 s = malloc(2 * entry.keyblock.keyvalue.length + 1);
118 if (s == NULL) {
119 krb5_warnx(context, "malloc failed");
120 ret = ENOMEM;
121 goto out;
122 }
123 for(i = 0; i < entry.keyblock.keyvalue.length; i++)
124 snprintf(s + 2 * i, 3, "%02x",
125 ((unsigned char*)entry.keyblock.keyvalue.data)[i]);
126 rtbl_add_column_entry_by_id(table, 4, s);
127 free(s);
128 }
129 if (entry.aliases) {
130 unsigned int i;
131 struct rk_strpool *p = NULL;
132
133 for (i = 0; i< entry.aliases->len; i++) {
134 krb5_unparse_name_fixed(context, entry.principal, buf, sizeof(buf));
135 rk_strpoolprintf(p, "%s%s", buf,
136 i + 1 < entry.aliases->len ? ", " : "");
137
138 }
139 rtbl_add_column_entry_by_id(table, 5, rk_strpoolcollect(p));
140 }
141
142 krb5_kt_free_entry(context, &entry);
143 }
144 ret = krb5_kt_end_seq_get(context, keytab, &cursor);
145 rtbl_format(table, stdout);
146
147 out:
148 rtbl_destroy(table);
149
150 krb5_kt_close(context, keytab);
151 return ret;
152 }
153
154 int
kt_list(struct list_options * opt,int argc,char ** argv)155 kt_list(struct list_options *opt, int argc, char **argv)
156 {
157 krb5_error_code ret;
158 char kt[1024];
159
160 if(verbose_flag)
161 opt->timestamp_flag = 1;
162
163 if (keytab_string == NULL) {
164 if((ret = krb5_kt_default_name(context, kt, sizeof(kt))) != 0) {
165 krb5_warn(context, ret, "getting default keytab name");
166 return 1;
167 }
168 keytab_string = kt;
169 }
170 return do_list(opt, keytab_string) != 0;
171 }
172