672 lines
16 KiB
C
672 lines
16 KiB
C
/*
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* Copyright (c) 1997-2001 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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#include "rtbl.h"
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RCSID("$Id: klist.c,v 1.64 2001/05/11 19:55:13 assar 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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#define COL_ISSUED " Issued"
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#define COL_EXPIRES " Expires"
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#define COL_FLAGS "Flags"
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#define COL_PRINCIPAL " Principal"
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#define COL_PRINCIPAL_KVNO " Principal (kvno)"
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static void
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print_cred(krb5_context context, krb5_creds *cred, rtbl_t ct, int do_flags)
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{
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char *str;
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krb5_error_code ret;
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krb5_timestamp sec;
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krb5_timeofday (context, &sec);
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if(cred->times.starttime)
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rtbl_add_column_entry(ct, COL_ISSUED,
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printable_time(cred->times.starttime));
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else
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rtbl_add_column_entry(ct, COL_ISSUED,
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printable_time(cred->times.authtime));
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if(cred->times.endtime > sec)
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rtbl_add_column_entry(ct, COL_EXPIRES,
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printable_time(cred->times.endtime));
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else
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rtbl_add_column_entry(ct, COL_EXPIRES, ">>>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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rtbl_add_column_entry(ct, COL_PRINCIPAL, str);
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if(do_flags) {
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char s[16], *sp = s;
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if(cred->flags.b.forwardable)
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*sp++ = 'F';
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if(cred->flags.b.forwarded)
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*sp++ = 'f';
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if(cred->flags.b.proxiable)
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*sp++ = 'P';
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if(cred->flags.b.proxy)
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*sp++ = 'p';
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if(cred->flags.b.may_postdate)
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*sp++ = 'D';
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if(cred->flags.b.postdated)
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*sp++ = 'd';
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if(cred->flags.b.renewable)
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*sp++ = 'R';
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if(cred->flags.b.initial)
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*sp++ = 'I';
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if(cred->flags.b.invalid)
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*sp++ = 'i';
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if(cred->flags.b.pre_authent)
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*sp++ = 'A';
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if(cred->flags.b.hw_authent)
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*sp++ = 'H';
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*sp++ = '\0';
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rtbl_add_column_entry(ct, COL_FLAGS, s);
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}
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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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krb5_timestamp 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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printf("Ticket etype: ");
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if (ret == 0) {
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printf("%s", s);
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free(s);
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} else {
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printf("unknown(%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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int do_flags)
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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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rtbl_t ct = NULL;
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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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ct = rtbl_create();
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rtbl_add_column(ct, COL_ISSUED, 0);
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rtbl_add_column(ct, COL_EXPIRES, 0);
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if(do_flags)
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rtbl_add_column(ct, COL_FLAGS, 0);
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rtbl_add_column(ct, COL_PRINCIPAL, 0);
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rtbl_set_prefix(ct, " ");
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rtbl_set_column_prefix(ct, COL_ISSUED, "");
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}
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while (krb5_cc_next_cred (context,
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ccache,
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&cursor,
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&creds) == 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, ct, do_flags);
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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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if(!do_verbose) {
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rtbl_format(ct, stdout);
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rtbl_destroy(ct);
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}
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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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/* prints the approximate kdc time differential as something human
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readable */
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static void
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print_time_diff(int do_verbose)
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{
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int d = abs(krb_get_kdc_time_diff());
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char buf[80];
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if ((do_verbose && d > 0) || d > 60) {
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unparse_time_approx (d, buf, sizeof(buf));
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printf ("Time diff:\t%s\n", buf);
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}
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}
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/*
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* return a short representation of `dp' in string form.
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*/
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static char *
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short_date(int32_t dp)
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{
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char *cp;
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time_t t = (time_t)dp;
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if (t == (time_t)(-1L)) return "*** Never *** ";
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cp = ctime(&t) + 4;
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cp[15] = '\0';
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return (cp);
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}
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/*
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* Print a list of all the v4 tickets
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*/
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static int
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display_v4_tickets (int do_verbose)
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{
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char *file;
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int ret;
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krb_principal princ;
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CREDENTIALS cred;
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int found = 0;
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rtbl_t ct;
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file = getenv ("KRBTKFILE");
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if (file == NULL)
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file = TKT_FILE;
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printf("v4-ticket file: %s\n", file);
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ret = krb_get_tf_realm (file, princ.realm);
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if (ret) {
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warnx ("%s", krb_get_err_text(ret));
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return 1;
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}
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ret = tf_init (file, R_TKT_FIL);
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if (ret) {
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warnx ("tf_init: %s", krb_get_err_text(ret));
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return 1;
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}
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ret = tf_get_pname (princ.name);
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if (ret) {
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tf_close ();
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warnx ("tf_get_pname: %s", krb_get_err_text(ret));
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return 1;
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}
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ret = tf_get_pinst (princ.instance);
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if (ret) {
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tf_close ();
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warnx ("tf_get_pname: %s", krb_get_err_text(ret));
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return 1;
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}
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printf("Principal:\t%s\n", krb_unparse_name (&princ));
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print_time_diff(do_verbose);
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printf("\n");
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ct = rtbl_create();
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rtbl_add_column(ct, COL_ISSUED, 0);
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rtbl_add_column(ct, COL_EXPIRES, 0);
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if (do_verbose)
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rtbl_add_column(ct, COL_PRINCIPAL_KVNO, 0);
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else
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rtbl_add_column(ct, COL_PRINCIPAL, 0);
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rtbl_set_prefix(ct, " ");
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rtbl_set_column_prefix(ct, COL_ISSUED, "");
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while ((ret = tf_get_cred(&cred)) == KSUCCESS) {
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struct timeval tv;
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char buf1[20], buf2[20];
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const char *pp;
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found++;
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strlcpy(buf1,
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short_date(cred.issue_date),
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sizeof(buf1));
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cred.issue_date = krb_life_to_time(cred.issue_date, cred.lifetime);
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krb_kdctimeofday(&tv);
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if (do_verbose || tv.tv_sec < (unsigned long) cred.issue_date)
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strlcpy(buf2,
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short_date(cred.issue_date),
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sizeof(buf2));
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else
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strlcpy(buf2,
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">>> Expired <<<",
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sizeof(buf2));
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rtbl_add_column_entry(ct, COL_ISSUED, buf1);
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rtbl_add_column_entry(ct, COL_EXPIRES, buf2);
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pp = krb_unparse_name_long(cred.service,
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cred.instance,
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cred.realm);
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if (do_verbose) {
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char *tmp;
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asprintf(&tmp, "%s (%d)", pp, cred.kvno);
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rtbl_add_column_entry(ct, COL_PRINCIPAL_KVNO, tmp);
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free(tmp);
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} else {
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rtbl_add_column_entry(ct, COL_PRINCIPAL, pp);
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}
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}
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rtbl_format(ct, stdout);
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rtbl_destroy(ct);
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if (!found && ret == EOF)
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printf("No tickets in file.\n");
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tf_close();
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/*
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* should do NAT stuff here
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*/
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return 0;
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}
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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)
|
|
strlcpy (buf2, printable_time(ct.EndTimestamp),
|
|
sizeof(buf2));
|
|
else
|
|
strlcpy (buf2, ">>> Expired <<<", sizeof(buf2));
|
|
|
|
printf("%s %s ", buf1, buf2);
|
|
|
|
if ((ct.EndTimestamp - ct.BeginTimestamp) & 1)
|
|
printf("User's (AFS ID %d) tokens for %s", ct.ViceId, cell);
|
|
else
|
|
printf("Tokens for %s", cell);
|
|
if (do_verbose)
|
|
printf(" (%d)", ct.AuthHandle);
|
|
putchar('\n');
|
|
}
|
|
}
|
|
#endif /* KRB4 */
|
|
|
|
/*
|
|
* display the ccache in `cred_cache'
|
|
*/
|
|
|
|
static int
|
|
display_v5_ccache (const char *cred_cache, int do_test, int do_verbose,
|
|
int do_flags)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_context context;
|
|
krb5_ccache ccache;
|
|
krb5_principal principal;
|
|
int exit_status = 0;
|
|
|
|
ret = krb5_init_context (&context);
|
|
if (ret)
|
|
errx (1, "krb5_init_context failed: %d", ret);
|
|
|
|
if(cred_cache) {
|
|
ret = krb5_cc_resolve(context, cred_cache, &ccache);
|
|
if (ret)
|
|
krb5_err (context, 1, ret, "%s", cred_cache);
|
|
} else {
|
|
ret = krb5_cc_default (context, &ccache);
|
|
if (ret)
|
|
krb5_err (context, 1, ret, "krb5_cc_resolve");
|
|
}
|
|
|
|
ret = krb5_cc_get_principal (context, ccache, &principal);
|
|
if (ret) {
|
|
if(ret == ENOENT) {
|
|
if (!do_test)
|
|
krb5_warnx(context, "No ticket file: %s",
|
|
krb5_cc_get_name(context, ccache));
|
|
return 1;
|
|
} else
|
|
krb5_err (context, 1, ret, "krb5_cc_get_principal");
|
|
}
|
|
if (do_test)
|
|
exit_status = check_for_tgt (context, ccache, principal);
|
|
else
|
|
print_tickets (context, ccache, principal, do_verbose, do_flags);
|
|
|
|
ret = krb5_cc_close (context, ccache);
|
|
if (ret)
|
|
krb5_err (context, 1, ret, "krb5_cc_close");
|
|
|
|
krb5_free_principal (context, principal);
|
|
krb5_free_context (context);
|
|
return exit_status;
|
|
}
|
|
|
|
static int version_flag = 0;
|
|
static int help_flag = 0;
|
|
static int do_verbose = 0;
|
|
static int do_test = 0;
|
|
#ifdef KRB4
|
|
static int do_v4 = 1;
|
|
static int do_tokens = 0;
|
|
#endif
|
|
static int do_v5 = 1;
|
|
static char *cred_cache;
|
|
static int do_flags = 0;
|
|
|
|
static struct getargs args[] = {
|
|
{ NULL, 'f', arg_flag, &do_flags },
|
|
{ "cache", 'c', arg_string, &cred_cache,
|
|
"credentials cache to list", "cache" },
|
|
{ "test", 't', arg_flag, &do_test,
|
|
"test for having tickets", NULL },
|
|
{ NULL, 's', arg_flag, &do_test },
|
|
#ifdef KRB4
|
|
{ "v4", '4', arg_flag, &do_v4,
|
|
"display v4 tickets", NULL },
|
|
{ "tokens", 'T', arg_flag, &do_tokens,
|
|
"display AFS tokens", NULL },
|
|
#endif
|
|
{ "v5", '5', arg_flag, &do_v5,
|
|
"display v5 cred cache", NULL},
|
|
{ "verbose", 'v', arg_flag, &do_verbose,
|
|
"verbose output", NULL },
|
|
{ NULL, 'a', arg_flag, &do_verbose },
|
|
{ NULL, 'n', arg_flag, &do_verbose },
|
|
{ "version", 0, arg_flag, &version_flag,
|
|
"print version", NULL },
|
|
{ "help", 0, arg_flag, &help_flag,
|
|
NULL, NULL}
|
|
};
|
|
|
|
static void
|
|
usage (int ret)
|
|
{
|
|
arg_printusage (args,
|
|
sizeof(args)/sizeof(*args),
|
|
NULL,
|
|
"");
|
|
exit (ret);
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
int optind = 0;
|
|
int exit_status = 0;
|
|
|
|
setprogname (argv[0]);
|
|
|
|
if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optind))
|
|
usage(1);
|
|
|
|
if (help_flag)
|
|
usage (0);
|
|
|
|
if(version_flag){
|
|
print_version(NULL);
|
|
exit(0);
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc != 0)
|
|
usage (1);
|
|
|
|
if (do_v5)
|
|
exit_status = display_v5_ccache (cred_cache, do_test,
|
|
do_verbose, do_flags);
|
|
|
|
#ifdef KRB4
|
|
if (!do_test) {
|
|
if (do_v4) {
|
|
if (do_v5)
|
|
printf ("\n");
|
|
display_v4_tickets (do_verbose);
|
|
}
|
|
if (do_tokens && k_hasafs ()) {
|
|
if (do_v4 || do_v5)
|
|
printf ("\n");
|
|
display_tokens (do_verbose);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return exit_status;
|
|
}
|