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/* Copyright 1994 Cygnus Support */
/* Mark W. Eichin */
/*
* Permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation.
* Cygnus Support makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*/
/* common code for looking at krb.conf and krb.realms file */
/* this may be superceded by <gnu>'s work for the Mac port, but
it solves a problem for now. */
#include <stdio.h>
#include "krb.h"
#include "k5-int.h"
#include "krb4int.h"
krb5_context krb5__krb4_context = 0;
static FILE*
krb__v5_get_file(s)
const char *s;
{
FILE *cnffile = 0;
const char* names[3];
char **full_name = 0, **cpp;
krb5_error_code retval;
if (!krb5__krb4_context)
krb5_init_context(&krb5__krb4_context);
names[0] = "libdefaults";
names[1] = s;
names[2] = 0;
if (krb5__krb4_context) {
retval = profile_get_values(krb5__krb4_context->profile, names,
&full_name);
if (retval == 0 && full_name && full_name[0]) {
cnffile = fopen(full_name[0],"r");
for (cpp = full_name; *cpp; cpp++)
krb5_xfree(*cpp);
krb5_xfree(full_name);
}
}
return cnffile;
}
char *
krb__get_srvtabname(default_srvtabname)
const char *default_srvtabname;
{
const char* names[3];
char **full_name = 0, **cpp;
krb5_error_code retval;
static char *retname;
if (!krb5__krb4_context)
krb5_init_context(&krb5__krb4_context);
names[0] = "libdefaults";
names[1] = "krb4_srvtab";
names[2] = 0;
if (krb5__krb4_context) {
retval = profile_get_values(krb5__krb4_context->profile, names,
&full_name);
if (retval == 0 && full_name && full_name[0]) {
if (retname != NULL)
free(retname);
retname = strdup(full_name[0]);
for (cpp = full_name; *cpp; cpp++)
krb5_xfree(*cpp);
krb5_xfree(full_name);
return retname;
}
}
if (retname != NULL)
free(retname);
retname = strdup(default_srvtabname);
return retname;
}
FILE*
krb__get_cnffile()
{
char *s;
FILE *cnffile = 0;
extern char *getenv();
/* standard V4 override first */
s = getenv("KRB_CONF");
if (s) cnffile = fopen(s,"r");
/* if that's wrong, use V5 config */
if (!cnffile) cnffile = krb__v5_get_file("krb4_config");
/* and if V5 config doesn't have it, go to hard-coded values */
if (!cnffile) cnffile = fopen(KRB_CONF,"r");
#ifdef ATHENA_CONF_FALLBACK
if (!cnffile) cnffile = fopen(KRB_FB_CONF,"r");
#endif
return cnffile;
}
FILE*
krb__get_realmsfile()
{
FILE *realmsfile = 0;
char *s;
/* standard (not really) V4 override first */
s = getenv("KRB_REALMS");
if (s) realmsfile = fopen(s,"r");
if (!realmsfile) realmsfile = krb__v5_get_file("krb4_realms");
if (!realmsfile) realmsfile = fopen(KRB_RLM_TRANS, "r");
#ifdef ATHENA_CONF_FALLBACK
if (!realmsfile) realmsfile = fopen(KRB_FB_RLM_TRANS, "r");
#endif
return realmsfile;
}
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