convert_creds.c (90926) | convert_creds.c (120945) |
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1/* | 1/* |
2 * Copyright (c) 1997 - 2001 Kungliga Tekniska H�gskolan | 2 * Copyright (c) 1997 - 2002 Kungliga Tekniska H�gskolan |
3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright --- 16 unchanged lines hidden (view full) --- 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#include "krb5_locl.h" | 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright --- 16 unchanged lines hidden (view full) --- 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#include "krb5_locl.h" |
35RCSID("$Id: convert_creds.c,v 1.24 2001/06/20 02:49:21 joda Exp $"); | 35RCSID("$Id: convert_creds.c,v 1.26 2003/03/18 03:11:16 lha Exp $"); |
36 | 36 |
37#include "krb5-v4compat.h" 38 |
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37static krb5_error_code 38check_ticket_flags(TicketFlags f) 39{ 40 return 0; /* maybe add some more tests here? */ 41} 42 43/* include this here, to avoid dependencies on libkrb */ 44 | 39static krb5_error_code 40check_ticket_flags(TicketFlags f) 41{ 42 return 0; /* maybe add some more tests here? */ 43} 44 45/* include this here, to avoid dependencies on libkrb */ 46 |
45#define MAX_KTXT_LEN 1250 46 47#define ANAME_SZ 40 48#define REALM_SZ 40 49#define SNAME_SZ 40 50#define INST_SZ 40 51 52struct ktext { 53 unsigned int length; /* Length of the text */ 54 unsigned char dat[MAX_KTXT_LEN]; /* The data itself */ 55 u_int32_t mbz; /* zero to catch runaway strings */ 56}; 57 58struct credentials { 59 char service[ANAME_SZ]; /* Service name */ 60 char instance[INST_SZ]; /* Instance */ 61 char realm[REALM_SZ]; /* Auth domain */ 62 des_cblock session; /* Session key */ 63 int lifetime; /* Lifetime */ 64 int kvno; /* Key version number */ 65 struct ktext ticket_st; /* The ticket itself */ 66 int32_t issue_date; /* The issue time */ 67 char pname[ANAME_SZ]; /* Principal's name */ 68 char pinst[INST_SZ]; /* Principal's instance */ 69}; 70 71 72#define TKTLIFENUMFIXED 64 73#define TKTLIFEMINFIXED 0x80 74#define TKTLIFEMAXFIXED 0xBF 75#define TKTLIFENOEXPIRE 0xFF 76#define MAXTKTLIFETIME (30*24*3600) /* 30 days */ 77#ifndef NEVERDATE 78#define NEVERDATE ((time_t)0x7fffffffL) 79#endif 80 | |
81static const int _tkt_lifetimes[TKTLIFENUMFIXED] = { 82 38400, 41055, 43894, 46929, 50174, 53643, 57352, 61318, 83 65558, 70091, 74937, 80119, 85658, 91581, 97914, 104684, 84 111922, 119661, 127935, 136781, 146239, 156350, 167161, 178720, 85 191077, 204289, 218415, 233517, 249664, 266926, 285383, 305116, 86 326213, 348769, 372885, 398668, 426234, 455705, 487215, 520904, 87 556921, 595430, 636601, 680618, 727680, 777995, 831789, 889303, 88 950794, 1016537, 1086825, 1161973, 1242318, 1328218, 1420057, 1518247, 89 1623226, 1735464, 1855462, 1983758, 2120925, 2267576, 2424367, 2592000 90}; 91 | 47static const int _tkt_lifetimes[TKTLIFENUMFIXED] = { 48 38400, 41055, 43894, 46929, 50174, 53643, 57352, 61318, 49 65558, 70091, 74937, 80119, 85658, 91581, 97914, 104684, 50 111922, 119661, 127935, 136781, 146239, 156350, 167161, 178720, 51 191077, 204289, 218415, 233517, 249664, 266926, 285383, 305116, 52 326213, 348769, 372885, 398668, 426234, 455705, 487215, 520904, 53 556921, 595430, 636601, 680618, 727680, 777995, 831789, 889303, 54 950794, 1016537, 1086825, 1161973, 1242318, 1328218, 1420057, 1518247, 55 1623226, 1735464, 1855462, 1983758, 2120925, 2267576, 2424367, 2592000 56}; 57 |
92static int 93_krb_time_to_life(time_t start, time_t end) | 58int 59_krb5_krb_time_to_life(time_t start, time_t end) |
94{ 95 int i; 96 time_t life = end - start; 97 98 if (life > MAXTKTLIFETIME || life <= 0) 99 return 0; 100#if 0 101 if (krb_no_long_lifetimes) --- 6 unchanged lines hidden (view full) --- 108 return (life + 5*60 - 1)/(5*60); 109 for (i=0; i<TKTLIFENUMFIXED; i++) 110 if (life <= _tkt_lifetimes[i]) 111 return i + TKTLIFEMINFIXED; 112 return 0; 113 114} 115 | 60{ 61 int i; 62 time_t life = end - start; 63 64 if (life > MAXTKTLIFETIME || life <= 0) 65 return 0; 66#if 0 67 if (krb_no_long_lifetimes) --- 6 unchanged lines hidden (view full) --- 74 return (life + 5*60 - 1)/(5*60); 75 for (i=0; i<TKTLIFENUMFIXED; i++) 76 if (life <= _tkt_lifetimes[i]) 77 return i + TKTLIFEMINFIXED; 78 return 0; 79 80} 81 |
82time_t 83_krb5_krb_life_to_time(int start, int life_) 84{ 85 unsigned char life = (unsigned char) life_; 86 87#if 0 88 if (krb_no_long_lifetimes) 89 return start + life*5*60; 90#endif 91 92 if (life == TKTLIFENOEXPIRE) 93 return NEVERDATE; 94 if (life < TKTLIFEMINFIXED) 95 return start + life*5*60; 96 if (life > TKTLIFEMAXFIXED) 97 return start + MAXTKTLIFETIME; 98 return start + _tkt_lifetimes[life - TKTLIFEMINFIXED]; 99} 100 101 |
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116/* Convert the v5 credentials in `in_cred' to v4-dito in `v4creds'. 117 * This is done by sending them to the 524 function in the KDC. If 118 * `in_cred' doesn't contain a DES session key, then a new one is 119 * gotten from the KDC and stored in the cred cache `ccache'. 120 */ 121 122krb5_error_code 123krb524_convert_creds_kdc(krb5_context context, --- 54 unchanged lines hidden (view full) --- 178 ret = krb5_524_conv_principal(context, 179 v5_creds->server, 180 v4creds->service, 181 v4creds->instance, 182 v4creds->realm); 183 if(ret) 184 goto out; 185 v4creds->issue_date = v5_creds->times.starttime; | 102/* Convert the v5 credentials in `in_cred' to v4-dito in `v4creds'. 103 * This is done by sending them to the 524 function in the KDC. If 104 * `in_cred' doesn't contain a DES session key, then a new one is 105 * gotten from the KDC and stored in the cred cache `ccache'. 106 */ 107 108krb5_error_code 109krb524_convert_creds_kdc(krb5_context context, --- 54 unchanged lines hidden (view full) --- 164 ret = krb5_524_conv_principal(context, 165 v5_creds->server, 166 v4creds->service, 167 v4creds->instance, 168 v4creds->realm); 169 if(ret) 170 goto out; 171 v4creds->issue_date = v5_creds->times.starttime; |
186 v4creds->lifetime = _krb_time_to_life(v4creds->issue_date, 187 v5_creds->times.endtime); | 172 v4creds->lifetime = _krb5_krb_time_to_life(v4creds->issue_date, 173 v5_creds->times.endtime); |
188 ret = krb5_524_conv_principal(context, v5_creds->client, 189 v4creds->pname, 190 v4creds->pinst, 191 realm); 192 if(ret) 193 goto out; 194 memcpy(v4creds->session, v5_creds->session.keyvalue.data, 8); 195 } else { --- 55 unchanged lines hidden --- | 174 ret = krb5_524_conv_principal(context, v5_creds->client, 175 v4creds->pname, 176 v4creds->pinst, 177 realm); 178 if(ret) 179 goto out; 180 memcpy(v4creds->session, v5_creds->session.keyvalue.data, 8); 181 } else { --- 55 unchanged lines hidden --- |