446 lines
11 KiB
C
446 lines
11 KiB
C
/*
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* Copyright (c) 1997-1999 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "kuser_locl.h"
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RCSID("$Id: klist.c,v 1.52 1999/12/02 17:05:01 joda Exp $");
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static char*
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printable_time(time_t t)
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{
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static char s[128];
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strcpy(s, ctime(&t)+ 4);
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s[15] = 0;
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return s;
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}
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static char*
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printable_time_long(time_t t)
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{
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static char s[128];
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strcpy(s, ctime(&t)+ 4);
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s[20] = 0;
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return s;
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}
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static void
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print_cred(krb5_context context, krb5_creds *cred)
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{
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char *str;
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krb5_error_code ret;
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int32_t sec;
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krb5_timeofday (context, &sec);
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if(cred->times.starttime)
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printf ("%s ", printable_time(cred->times.starttime));
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else
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printf ("%s ", printable_time(cred->times.authtime));
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if(cred->times.endtime > sec)
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printf ("%s ", printable_time(cred->times.endtime));
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else
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printf ("%-15s ", ">>>Expired<<<");
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ret = krb5_unparse_name (context, cred->server, &str);
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if (ret)
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krb5_err(context, 1, ret, "krb5_unparse_name");
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printf ("%s\n", str);
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free (str);
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}
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static void
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print_cred_verbose(krb5_context context, krb5_creds *cred)
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{
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int j;
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char *str;
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krb5_error_code ret;
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int first_flag;
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int32_t sec;
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krb5_timeofday (context, &sec);
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ret = krb5_unparse_name(context, cred->server, &str);
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if(ret)
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exit(1);
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printf("Server: %s\n", str);
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free (str);
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{
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Ticket t;
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size_t len;
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char *s;
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decode_Ticket(cred->ticket.data, cred->ticket.length, &t, &len);
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ret = krb5_enctype_to_string(context, t.enc_part.etype, &s);
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if (ret == 0) {
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printf("Ticket etype: %s", s);
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free(s);
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} else {
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printf("Unknown etype: %d", t.enc_part.etype);
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}
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if(t.enc_part.kvno)
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printf(", kvno %d", *t.enc_part.kvno);
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printf("\n");
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if(cred->session.keytype != t.enc_part.etype) {
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ret = krb5_keytype_to_string(context, cred->session.keytype, &str);
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if(ret == KRB5_PROG_KEYTYPE_NOSUPP)
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ret = krb5_enctype_to_string(context, cred->session.keytype,
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&str);
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if(ret)
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krb5_warn(context, ret, "session keytype");
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else {
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printf("Session key: %s\n", str);
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free(str);
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}
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}
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free_Ticket(&t);
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}
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printf("Auth time: %s\n", printable_time_long(cred->times.authtime));
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if(cred->times.authtime != cred->times.starttime)
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printf("Start time: %s\n", printable_time_long(cred->times.starttime));
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printf("End time: %s", printable_time_long(cred->times.endtime));
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if(sec > cred->times.endtime)
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printf(" (expired)");
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printf("\n");
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if(cred->flags.b.renewable)
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printf("Renew till: %s\n",
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printable_time_long(cred->times.renew_till));
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printf("Ticket flags: ");
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#define PRINT_FLAG2(f, s) if(cred->flags.b.f) { if(!first_flag) printf(", "); printf("%s", #s); first_flag = 0; }
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#define PRINT_FLAG(f) PRINT_FLAG2(f, f)
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first_flag = 1;
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PRINT_FLAG(forwardable);
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PRINT_FLAG(forwarded);
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PRINT_FLAG(proxiable);
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PRINT_FLAG(proxy);
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PRINT_FLAG2(may_postdate, may-postdate);
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PRINT_FLAG(postdated);
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PRINT_FLAG(invalid);
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PRINT_FLAG(renewable);
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PRINT_FLAG(initial);
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PRINT_FLAG2(pre_authent, pre-authenticated);
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PRINT_FLAG2(hw_authent, hw-authenticated);
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PRINT_FLAG2(transited_policy_checked, transited-policy-checked);
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PRINT_FLAG2(ok_as_delegate, ok-as-delegate);
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PRINT_FLAG(anonymous);
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printf("\n");
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printf("Addresses: ");
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for(j = 0; j < cred->addresses.len; j++){
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char buf[128];
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size_t len;
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if(j) printf(", ");
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ret = krb5_print_address(&cred->addresses.val[j],
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buf, sizeof(buf), &len);
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if(ret == 0)
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printf("%s", buf);
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}
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printf("\n\n");
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}
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/*
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* Print all tickets in `ccache' on stdout, verbosily iff do_verbose.
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*/
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static void
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print_tickets (krb5_context context,
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krb5_ccache ccache,
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krb5_principal principal,
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int do_verbose)
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{
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krb5_error_code ret;
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char *str;
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krb5_cc_cursor cursor;
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krb5_creds creds;
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ret = krb5_unparse_name (context, principal, &str);
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if (ret)
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krb5_err (context, 1, ret, "krb5_unparse_name");
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printf ("%17s: %s:%s\n",
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"Credentials cache",
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krb5_cc_get_type(context, ccache),
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krb5_cc_get_name(context, ccache));
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printf ("%17s: %s\n", "Principal", str);
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free (str);
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if(do_verbose)
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printf ("%17s: %d\n", "Cache version",
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krb5_cc_get_version(context, ccache));
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if (do_verbose && context->kdc_sec_offset) {
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char buf[BUFSIZ];
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int val;
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int sig;
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val = context->kdc_sec_offset;
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sig = 1;
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if (val < 0) {
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sig = -1;
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val = -val;
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}
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unparse_time (val, buf, sizeof(buf));
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printf ("%17s: %s%s\n", "KDC time offset",
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sig == -1 ? "-" : "", buf);
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}
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printf("\n");
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ret = krb5_cc_start_seq_get (context, ccache, &cursor);
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if (ret)
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krb5_err(context, 1, ret, "krb5_cc_start_seq_get");
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if(!do_verbose)
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printf(" %-15s %-15s %s\n", "Issued", "Expires", "Principal");
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while (krb5_cc_next_cred (context,
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ccache,
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&creds,
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&cursor) == 0) {
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if(do_verbose){
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print_cred_verbose(context, &creds);
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}else{
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print_cred(context, &creds);
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}
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krb5_free_creds_contents (context, &creds);
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}
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ret = krb5_cc_end_seq_get (context, ccache, &cursor);
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if (ret)
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krb5_err (context, 1, ret, "krb5_cc_end_seq_get");
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}
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/*
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* Check if there's a tgt for the realm of `principal' and ccache and
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* if so return 0, else 1
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*/
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static int
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check_for_tgt (krb5_context context,
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krb5_ccache ccache,
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krb5_principal principal)
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{
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krb5_error_code ret;
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krb5_creds pattern;
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krb5_creds creds;
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krb5_realm *client_realm;
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int expired;
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client_realm = krb5_princ_realm (context, principal);
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ret = krb5_make_principal (context, &pattern.server,
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*client_realm, KRB5_TGS_NAME, *client_realm,
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NULL);
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if (ret)
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krb5_err (context, 1, ret, "krb5_make_principal");
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ret = krb5_cc_retrieve_cred (context, ccache, 0, &pattern, &creds);
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expired = time(NULL) > creds.times.endtime;
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krb5_free_principal (context, pattern.server);
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krb5_free_creds_contents (context, &creds);
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if (ret) {
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if (ret == KRB5_CC_END)
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return 1;
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krb5_err (context, 1, ret, "krb5_cc_retrieve_cred");
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}
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return expired;
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}
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#ifdef KRB4
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/*
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* Print a list of all AFS tokens
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*/
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static void
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display_tokens(int do_verbose)
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{
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u_int32_t i;
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unsigned char t[128];
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struct ViceIoctl parms;
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parms.in = (void *)&i;
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parms.in_size = sizeof(i);
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parms.out = (void *)t;
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parms.out_size = sizeof(t);
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for (i = 0; k_pioctl(NULL, VIOCGETTOK, &parms, 0) == 0; i++) {
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int32_t size_secret_tok, size_public_tok;
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unsigned char *cell;
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struct ClearToken ct;
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unsigned char *r = t;
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struct timeval tv;
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char buf1[20], buf2[20];
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memcpy(&size_secret_tok, r, sizeof(size_secret_tok));
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/* dont bother about the secret token */
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r += size_secret_tok + sizeof(size_secret_tok);
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memcpy(&size_public_tok, r, sizeof(size_public_tok));
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r += sizeof(size_public_tok);
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memcpy(&ct, r, size_public_tok);
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r += size_public_tok;
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/* there is a int32_t with length of cellname, but we dont read it */
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r += sizeof(int32_t);
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cell = r;
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gettimeofday (&tv, NULL);
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strlcpy (buf1, printable_time(ct.BeginTimestamp),
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sizeof(buf1));
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if (do_verbose || tv.tv_sec < ct.EndTimestamp)
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strlcpy (buf2, printable_time(ct.EndTimestamp),
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sizeof(buf2));
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else
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strlcpy (buf2, ">>> Expired <<<", sizeof(buf2));
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printf("%s %s ", buf1, buf2);
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if ((ct.EndTimestamp - ct.BeginTimestamp) & 1)
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printf("User's (AFS ID %d) tokens for %s", ct.ViceId, cell);
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else
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printf("Tokens for %s", cell);
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if (do_verbose)
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printf(" (%d)", ct.AuthHandle);
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putchar('\n');
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}
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}
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#endif
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static int version_flag = 0;
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static int help_flag = 0;
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static int do_verbose = 0;
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static int do_test = 0;
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#ifdef KRB4
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static int do_tokens = 0;
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#endif
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static char *cred_cache;
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static struct getargs args[] = {
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{ "cache", 'c', arg_string, &cred_cache,
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"credentials cache to list", "cache" },
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{ "test", 't', arg_flag, &do_test,
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"test for having tickets", NULL },
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#ifdef KRB4
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{ "tokens", 'T', arg_flag, &do_tokens,
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"display AFS tokens", NULL },
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#endif
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{ "verbose", 'v', arg_flag, &do_verbose,
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"Verbose output", NULL },
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{ "version", 0, arg_flag, &version_flag,
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"print version", NULL },
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{ "help", 0, arg_flag, &help_flag,
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NULL, NULL}
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};
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static void
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usage (int ret)
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{
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arg_printusage (args,
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sizeof(args)/sizeof(*args),
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NULL,
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"");
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exit (ret);
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}
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int
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main (int argc, char **argv)
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{
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krb5_error_code ret;
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krb5_context context;
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krb5_ccache ccache;
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krb5_principal principal;
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int optind = 0;
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int exit_status = 0;
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set_progname (argv[0]);
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if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optind))
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usage(1);
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if (help_flag)
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usage (0);
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if(version_flag){
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print_version(NULL);
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exit(0);
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}
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argc -= optind;
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argv += optind;
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if (argc != 0)
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usage (1);
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ret = krb5_init_context (&context);
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if (ret)
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krb5_err(context, 1, ret, "krb5_init_context");
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if(cred_cache) {
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ret = krb5_cc_resolve(context, cred_cache, &ccache);
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if (ret)
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krb5_err (context, 1, ret, "%s", cred_cache);
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} else {
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ret = krb5_cc_default (context, &ccache);
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if (ret)
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krb5_err (context, 1, ret, "krb5_cc_resolve");
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}
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ret = krb5_cc_get_principal (context, ccache, &principal);
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if (ret) {
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if(ret == ENOENT) {
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if (do_test)
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return 1;
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else
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krb5_errx(context, 1, "No ticket file: %s",
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krb5_cc_get_name(context, ccache));
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} else
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krb5_err (context, 1, ret, "krb5_cc_get_principal");
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}
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if (do_test)
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exit_status = check_for_tgt (context, ccache, principal);
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else
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print_tickets (context, ccache, principal, do_verbose);
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ret = krb5_cc_close (context, ccache);
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if (ret)
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krb5_err (context, 1, ret, "krb5_cc_close");
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krb5_free_principal (context, principal);
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krb5_free_context (context);
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#ifdef KRB4
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if (!do_test && do_tokens && k_hasafs ())
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display_tokens (do_verbose);
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#endif
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return exit_status;
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}
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