1/*
2 * Copyright (c) 1997-2004 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:
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
37RCSID("$Id: list.c 21745 2007-07-31 16:11:25Z lha $");
38
39static int
40do_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_set_separator(table, "  ");
89
90    while((ret = krb5_kt_next_entry(context, keytab, &entry, &cursor)) == 0){
91	char buf[1024], *s;
92
93	snprintf(buf, sizeof(buf), "%d", entry.vno);
94	rtbl_add_column_entry_by_id(table, 0, buf);
95
96	ret = krb5_enctype_to_string(context,
97				     entry.keyblock.keytype, &s);
98	if (ret != 0) {
99	    snprintf(buf, sizeof(buf), "unknown (%d)", entry.keyblock.keytype);
100	    rtbl_add_column_entry_by_id(table, 1, buf);
101	} else {
102	    rtbl_add_column_entry_by_id(table, 1, s);
103	    free(s);
104	}
105
106	krb5_unparse_name_fixed(context, entry.principal, buf, sizeof(buf));
107	rtbl_add_column_entry_by_id(table, 2, buf);
108
109	if (opt->timestamp_flag) {
110	    krb5_format_time(context, entry.timestamp, buf,
111			     sizeof(buf), FALSE);
112	    rtbl_add_column_entry_by_id(table, 3, buf);
113	}
114	if(opt->keys_flag) {
115	    int i;
116	    s = malloc(2 * entry.keyblock.keyvalue.length + 1);
117	    if (s == NULL) {
118		krb5_warnx(context, "malloc failed");
119		ret = ENOMEM;
120		goto out;
121	    }
122	    for(i = 0; i < entry.keyblock.keyvalue.length; i++)
123		snprintf(s + 2 * i, 3, "%02x",
124			 ((unsigned char*)entry.keyblock.keyvalue.data)[i]);
125	    rtbl_add_column_entry_by_id(table, 4, s);
126	    free(s);
127	}
128	krb5_kt_free_entry(context, &entry);
129    }
130    ret = krb5_kt_end_seq_get(context, keytab, &cursor);
131    rtbl_format(table, stdout);
132
133out:
134    rtbl_destroy(table);
135
136    krb5_kt_close(context, keytab);
137    return ret;
138}
139
140int
141kt_list(struct list_options *opt, int argc, char **argv)
142{
143    krb5_error_code ret;
144    char kt[1024];
145
146    if(verbose_flag)
147	opt->timestamp_flag = 1;
148
149    if (keytab_string == NULL) {
150	if((ret = krb5_kt_default_name(context, kt, sizeof(kt))) != 0) {
151	    krb5_warn(context, ret, "getting default keytab name");
152	    return 1;
153	}
154	keytab_string = kt;
155    }
156    return do_list(opt, keytab_string) != 0;
157}
158