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import _krb_time_to_life, to avoid runtime dependencies on libkrb with

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some shared library implementations


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4992 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
1998-05-29 22:19:47 +00:00
parent ed5b437db9
commit 32dc0ec99c
1 changed files with 75 additions and 6 deletions
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81
lib/krb5/convert_creds.c
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@@ -37,9 +37,6 @@
*/ */
#include "krb5_locl.h" #include "krb5_locl.h"
#ifdef KRB4
#include <krb.h>
RCSID("$Id$"); RCSID("$Id$");
static krb5_error_code static krb5_error_code
@@ -48,6 +45,79 @@ check_ticket_flags(TicketFlags f)
return 0; /* maybe add some more tests here? */ return 0; /* maybe add some more tests here? */
} }
/* include this here, to avoid dependencies on libkrb */
#define MAX_KTXT_LEN 1250
#define ANAME_SZ 40
#define REALM_SZ 40
#define SNAME_SZ 40
#define INST_SZ 40
struct ktext {
unsigned int length; /* Length of the text */
unsigned char dat[MAX_KTXT_LEN]; /* The data itself */
u_int32_t mbz; /* zero to catch runaway strings */
};
struct credentials {
char service[ANAME_SZ]; /* Service name */
char instance[INST_SZ]; /* Instance */
char realm[REALM_SZ]; /* Auth domain */
des_cblock session; /* Session key */
int lifetime; /* Lifetime */
int kvno; /* Key version number */
struct ktext ticket_st; /* The ticket itself */
int32_t issue_date; /* The issue time */
char pname[ANAME_SZ]; /* Principal's name */
char pinst[INST_SZ]; /* Principal's instance */
};
#define TKTLIFENUMFIXED 64
#define TKTLIFEMINFIXED 0x80
#define TKTLIFEMAXFIXED 0xBF
#define TKTLIFENOEXPIRE 0xFF
#define MAXTKTLIFETIME (30*24*3600) /* 30 days */
#ifndef NEVERDATE
#define NEVERDATE ((time_t)0x7fffffffL)
#endif
static const int _tkt_lifetimes[TKTLIFENUMFIXED] = {
38400, 41055, 43894, 46929, 50174, 53643, 57352, 61318,
65558, 70091, 74937, 80119, 85658, 91581, 97914, 104684,
111922, 119661, 127935, 136781, 146239, 156350, 167161, 178720,
191077, 204289, 218415, 233517, 249664, 266926, 285383, 305116,
326213, 348769, 372885, 398668, 426234, 455705, 487215, 520904,
556921, 595430, 636601, 680618, 727680, 777995, 831789, 889303,
950794, 1016537, 1086825, 1161973, 1242318, 1328218, 1420057, 1518247,
1623226, 1735464, 1855462, 1983758, 2120925, 2267576, 2424367, 2592000
};
static int
_krb_time_to_life(time_t start, time_t end)
{
int i;
time_t life = end - start;
if (life > MAXTKTLIFETIME || life <= 0)
return 0;
#if 0
if (krb_no_long_lifetimes)
return (life + 5*60 - 1)/(5*60);
#endif
if (end >= NEVERDATE)
return TKTLIFENOEXPIRE;
if (life < _tkt_lifetimes[0])
return (life + 5*60 - 1)/(5*60);
for (i=0; i<TKTLIFENUMFIXED; i++)
if (life <= _tkt_lifetimes[i])
return i + TKTLIFEMINFIXED;
return 0;
}
krb5_error_code krb5_error_code
krb524_convert_creds_kdc(krb5_context context, krb524_convert_creds_kdc(krb5_context context,
krb5_creds *v5creds, krb5_creds *v5creds,
@@ -87,8 +157,8 @@ krb524_convert_creds_kdc(krb5_context context,
v4creds->realm); v4creds->realm);
if(ret) goto out; if(ret) goto out;
v4creds->issue_date = v5creds->times.authtime; v4creds->issue_date = v5creds->times.authtime;
v4creds->lifetime = krb_time_to_life(v4creds->issue_date, v4creds->lifetime = _krb_time_to_life(v4creds->issue_date,
v5creds->times.endtime); v5creds->times.endtime);
ret = krb5_524_conv_principal(context, v5creds->client, ret = krb5_524_conv_principal(context, v5creds->client,
v4creds->pname, v4creds->pname,
v4creds->pinst, v4creds->pinst,
@@ -100,4 +170,3 @@ out:
krb5_storage_free(sp); krb5_storage_free(sp);
return ret; return ret;
} }
#endif