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
37RCSID("$Id$");
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_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
147out:
148    rtbl_destroy(table);
149
150    krb5_kt_close(context, keytab);
151    return ret;
152}
153
154int
155kt_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