657 lines
16 KiB
C
657 lines
16 KiB
C
/*
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* Copyright (c) 1997-2008 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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* Portions Copyright (c) 2009 Apple Inc. 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 "parse_units.h"
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#include "heimtools-commands.h"
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static char*
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printable_time_internal(time_t t, int x)
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{
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static char s[128];
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char *p;
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if ((p = ctime(&t)) == NULL)
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strlcpy(s, "?", sizeof(s));
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else
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strlcpy(s, p + 4, sizeof(s));
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s[x] = 0;
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return s;
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}
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static char*
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printable_time(time_t t)
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{
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return printable_time_internal(t, 20);
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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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return printable_time_internal(t, 20);
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}
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#define COL_ISSUED NP_(" Issued","")
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#define COL_EXPIRES NP_(" Expires", "")
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#define COL_FLAGS NP_("Flags", "")
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#define COL_NAME NP_(" Name", "")
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#define COL_PRINCIPAL NP_(" Principal", "in klist output")
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#define COL_PRINCIPAL_KVNO NP_(" Principal (kvno)", "in klist output")
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#define COL_CACHENAME NP_(" Cache name", "name in klist output")
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#define COL_DEFCACHE NP_("", "")
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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, N_(">>>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, int do_json)
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{
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size_t j;
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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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if (do_json) { /* XXX support more json formating later */
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printf("{ \"verbose-supported\" : false }");
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return;
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}
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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(N_("Server: %s\n", ""), str);
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free (str);
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ret = krb5_unparse_name(context, cred->client, &str);
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if(ret)
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exit(1);
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printf(N_("Client: %s\n", ""), str);
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free (str);
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if (!krb5_is_config_principal(context, cred->client)) {
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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(N_("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(N_("unknown-enctype(%d)", ""), t.enc_part.etype);
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}
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if(t.enc_part.kvno)
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printf(N_(", 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_enctype_to_string(context, cred->session.keytype, &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(N_("Session key: %s\n", "enctype"), 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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printf(N_("Ticket length: %lu\n", ""),
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(unsigned long)cred->ticket.length);
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}
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printf(N_("Auth time: %s\n", ""),
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printable_time_long(cred->times.authtime));
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if(cred->times.authtime != cred->times.starttime)
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printf(N_("Start time: %s\n", ""),
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printable_time_long(cred->times.starttime));
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printf(N_("End time: %s", ""),
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printable_time_long(cred->times.endtime));
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if(sec > cred->times.endtime)
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printf(N_(" (expired)", ""));
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printf("\n");
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if(cred->flags.b.renewable)
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printf(N_("Renew till: %s\n", ""),
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printable_time_long(cred->times.renew_till));
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{
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char flags[1024];
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unparse_flags(TicketFlags2int(cred->flags.b),
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asn1_TicketFlags_units(),
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flags, sizeof(flags));
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printf(N_("Ticket flags: %s\n", ""), flags);
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}
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printf(N_("Addresses: ", ""));
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if (cred->addresses.len != 0) {
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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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} else {
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printf(N_("addressless", ""));
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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, verbosely if 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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int do_hidden,
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int do_json)
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{
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char *str, *name, *fullname;
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krb5_error_code ret;
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krb5_cc_cursor cursor;
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krb5_creds creds;
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krb5_deltat sec;
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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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ret = krb5_cc_get_full_name(context, ccache, &fullname);
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if (ret)
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krb5_err (context, 1, ret, "krb5_cc_get_full_name");
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if (!do_json) {
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printf ("%17s: %s\n", N_("Credentials cache", ""), fullname);
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printf ("%17s: %s\n", N_("Principal", ""), str);
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ret = krb5_cc_get_friendly_name(context, ccache, &name);
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if (ret == 0) {
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if (strcmp(name, str) != 0)
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printf ("%17s: %s\n", N_("Friendly name", ""), name);
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free(name);
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}
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free (str);
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if(do_verbose) {
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printf ("%17s: %d\n", N_("Cache version", ""),
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krb5_cc_get_version(context, ccache));
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} else {
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krb5_cc_set_flags(context, ccache, KRB5_TC_NOTICKET);
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}
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ret = krb5_cc_get_kdc_offset(context, ccache, &sec);
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if (ret == 0 && do_verbose && sec != 0) {
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char buf[BUFSIZ];
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int val;
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int sig;
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val = (int)sec;
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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", 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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} else {
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printf ("{ \"cache\" : \"%s\", \"principal\" : \"%s\", ", fullname, str);
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}
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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_separator(ct, " ");
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if (do_json) {
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rtbl_set_flags(ct, RTBL_JSON);
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printf("\"tickets\" : ");
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}
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}
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if (do_verbose && do_json)
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printf("\"tickets\" : [");
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while ((ret = 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_hidden && krb5_is_config_principal(context, creds.server)) {
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;
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}else if(do_verbose){
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print_cred_verbose(context, &creds, do_json);
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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_cred_contents (context, &creds);
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}
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if(ret != KRB5_CC_END)
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krb5_err(context, 1, ret, "krb5_cc_get_next");
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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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if (do_json) {
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if (do_verbose)
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printf("]");
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printf("}");
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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_expiration(krb5_context context,
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krb5_ccache ccache,
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time_t *expiration)
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{
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krb5_error_code ret;
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time_t t;
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ret = krb5_cc_get_lifetime(context, ccache, &t);
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if (ret || t == 0)
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return 1;
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if (expiration)
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*expiration = time(NULL) + t;
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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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#ifndef NO_AFS
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static void
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display_tokens(int do_verbose)
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{
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uint32_t i;
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unsigned char t[4096];
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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;; 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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if(k_pioctl(NULL, VIOCGETTOK, &parms, 0) < 0) {
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if(errno == EDOM)
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break;
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continue;
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}
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if(parms.out_size > sizeof(t))
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continue;
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if(parms.out_size < sizeof(size_secret_tok))
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continue;
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t[min(parms.out_size,sizeof(t)-1)] = 0;
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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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if (parms.out_size < (r - t) + sizeof(size_public_tok))
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continue;
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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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if (parms.out_size < (r - t) + size_public_tok + sizeof(int32_t))
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continue;
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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, N_(">>> 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(N_("User's (AFS ID %d) tokens for %s", ""), ct.ViceId, cell);
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else
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printf(N_("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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/*
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* display the ccache in `cred_cache'
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*/
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static int
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display_v5_ccache (krb5_context context, krb5_ccache ccache,
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int do_test, int do_verbose,
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int do_flags, int do_hidden,
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int do_json)
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{
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krb5_error_code ret;
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krb5_principal principal;
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int exit_status = 0;
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ret = krb5_cc_get_principal (context, ccache, &principal);
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if (ret) {
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if (do_json) {
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printf("{}");
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return 0;
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}
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if(ret == ENOENT) {
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if (!do_test)
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krb5_warnx(context, N_("No ticket file: %s", ""),
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krb5_cc_get_name(context, ccache));
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return 1;
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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_expiration(context, ccache, NULL);
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else
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print_tickets (context, ccache, principal, do_verbose,
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do_flags, do_hidden, do_json);
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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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return exit_status;
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}
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/*
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*
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*/
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static int
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list_caches(krb5_context context, struct klist_options *opt)
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{
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krb5_cccol_cursor cursor;
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const char *cdef_name;
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char *def_name;
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krb5_error_code ret;
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krb5_ccache id;
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rtbl_t ct;
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cdef_name = krb5_cc_default_name(context);
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if (cdef_name == NULL)
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krb5_errx(context, 1, "krb5_cc_default_name");
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def_name = strdup(cdef_name);
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ret = krb5_cccol_cursor_new(context, &cursor);
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|
if (ret == KRB5_CC_NOSUPP)
|
|
return 0;
|
|
else if (ret)
|
|
krb5_err (context, 1, ret, "krb5_cc_cache_get_first");
|
|
|
|
ct = rtbl_create();
|
|
rtbl_add_column(ct, COL_DEFCACHE, 0);
|
|
rtbl_add_column(ct, COL_NAME, 0);
|
|
rtbl_add_column(ct, COL_CACHENAME, 0);
|
|
rtbl_add_column(ct, COL_EXPIRES, 0);
|
|
rtbl_add_column(ct, COL_DEFCACHE, 0);
|
|
rtbl_set_prefix(ct, " ");
|
|
rtbl_set_column_prefix(ct, COL_DEFCACHE, "");
|
|
rtbl_set_column_prefix(ct, COL_NAME, " ");
|
|
if (opt->json_flag)
|
|
rtbl_set_flags(ct, RTBL_JSON);
|
|
|
|
while (krb5_cccol_cursor_next(context, cursor, &id) == 0) {
|
|
int expired = 0;
|
|
char *name;
|
|
time_t t;
|
|
|
|
expired = check_expiration(context, id, &t);
|
|
|
|
ret = krb5_cc_get_friendly_name(context, id, &name);
|
|
if (ret == 0) {
|
|
const char *str;
|
|
char *fname;
|
|
|
|
rtbl_add_column_entry(ct, COL_NAME, name);
|
|
free(name);
|
|
|
|
if (expired)
|
|
str = N_(">>> Expired <<<", "");
|
|
else
|
|
str = printable_time(t);
|
|
rtbl_add_column_entry(ct, COL_EXPIRES, str);
|
|
|
|
ret = krb5_cc_get_full_name(context, id, &fname);
|
|
if (ret)
|
|
krb5_err (context, 1, ret, "krb5_cc_get_full_name");
|
|
|
|
rtbl_add_column_entry(ct, COL_CACHENAME, fname);
|
|
if (opt->json_flag)
|
|
;
|
|
else if (strcmp(fname, def_name) == 0)
|
|
rtbl_add_column_entry(ct, COL_DEFCACHE, "*");
|
|
else
|
|
rtbl_add_column_entry(ct, COL_DEFCACHE, "");
|
|
|
|
krb5_xfree(fname);
|
|
}
|
|
krb5_cc_close(context, id);
|
|
}
|
|
|
|
krb5_cccol_cursor_free(context, &cursor);
|
|
|
|
free(def_name);
|
|
rtbl_format(ct, stdout);
|
|
rtbl_destroy(ct);
|
|
|
|
if (opt->json_flag)
|
|
printf("\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
*
|
|
*/
|
|
|
|
int
|
|
klist(struct klist_options *opt, int argc, char **argv)
|
|
{
|
|
krb5_error_code ret;
|
|
int exit_status = 0;
|
|
|
|
int do_verbose =
|
|
opt->verbose_flag ||
|
|
opt->a_flag ||
|
|
opt->n_flag;
|
|
int do_test =
|
|
opt->test_flag ||
|
|
opt->s_flag;
|
|
|
|
if(opt->version_flag) {
|
|
print_version(NULL);
|
|
exit(0);
|
|
}
|
|
|
|
if (opt->list_all_flag) {
|
|
exit_status = list_caches(heimtools_context, opt);
|
|
return exit_status;
|
|
}
|
|
|
|
if (opt->v5_flag) {
|
|
krb5_ccache id;
|
|
|
|
if (opt->all_content_flag) {
|
|
krb5_cc_cache_cursor cursor;
|
|
int first = 1;
|
|
|
|
ret = krb5_cc_cache_get_first(heimtools_context, NULL, &cursor);
|
|
if (ret)
|
|
krb5_err(heimtools_context, 1, ret, "krb5_cc_cache_get_first");
|
|
|
|
if (opt->json_flag)
|
|
printf("[");
|
|
while (krb5_cc_cache_next(heimtools_context, cursor, &id) == 0) {
|
|
if (opt->json_flag && !first)
|
|
printf(",");
|
|
|
|
exit_status |= display_v5_ccache(heimtools_context, id, do_test,
|
|
do_verbose, opt->flags_flag,
|
|
opt->hidden_flag, opt->json_flag);
|
|
if (!opt->json_flag)
|
|
printf("\n\n");
|
|
|
|
first = 0;
|
|
}
|
|
krb5_cc_cache_end_seq_get(heimtools_context, cursor);
|
|
if (opt->json_flag)
|
|
printf("]");
|
|
} else {
|
|
if(opt->cache_string) {
|
|
ret = krb5_cc_resolve(heimtools_context, opt->cache_string, &id);
|
|
if (ret)
|
|
krb5_err(heimtools_context, 1, ret, "%s", opt->cache_string);
|
|
} else {
|
|
ret = krb5_cc_default(heimtools_context, &id);
|
|
if (ret)
|
|
krb5_err(heimtools_context, 1, ret, "krb5_cc_resolve");
|
|
}
|
|
exit_status = display_v5_ccache(heimtools_context, id, do_test,
|
|
do_verbose, opt->flags_flag,
|
|
opt->hidden_flag, opt->json_flag);
|
|
}
|
|
}
|
|
|
|
if (!do_test) {
|
|
#ifndef NO_AFS
|
|
if (opt->tokens_flag && k_hasafs()) {
|
|
if (opt->v5_flag)
|
|
printf("\n");
|
|
display_tokens(opt->verbose_flag);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
return exit_status;
|
|
}
|