[705] in Zephyr_Bugs
ZExpandRealm() again
daemon@ATHENA.MIT.EDU (Derrick J. Brashear)
Thu Sep 14 09:41:13 1995
Date: Thu, 14 Sep 1995 09:40:58 -0400 (EDT)
From: "Derrick J. Brashear" <shadow@DEMENTIA.ORG>
Reply-To: "Derrick J. Brashear" <shadow@DEMENTIA.ORG>
To: bug-zephyr@MIT.EDU
---2143855796-755253631-811086063=:14990
Content-Type: TEXT/PLAIN; CHARSET=US-ASCII
Hi again,
There's a small patch here so that ZExpandRealm will expand "" to the local
realm.
I'm just sending the entire function again.
-D
---2143855796-755253631-811086063=:14990
Content-Type: TEXT/plain; CHARSET=US-ASCII
Content-Description: ZExpnRlm.c
#ifdef CMU_INTERREALM
#include <internal.h>
#include <sys/param.h>
#include <ctype.h>
#include <netdb.h>
char *
ZExpandRealm(realm)
char *realm;
{
char *cp1, *cp2;
static char expand[REALM_SZ];
#ifndef ZEPHYR_USES_KERBEROS
struct hostent *he;
he = gethostbyname(realm);
if (!he || !he->h_name)
/* just use the raw realm */
cp2 = realm;
else
cp2 = he->h_name;
cp1 = expand;
while (*cp2) {
*cp1++ = toupper(*cp2++);
}
*cp1 = '\0';
return(expand);
#else
int retval;
FILE *rlm_file;
char krb_host[MAXHOSTNAMELEN+1];
char krb_realm[REALM_SZ+1];
char linebuf[BUFSIZ];
char scratch[64];
/* upcase what we got */
cp2 = realm;
cp1 = expand;
while (*cp2) {
*cp1++ = toupper(*cp2++);
}
*cp1 = '\0';
if ((rlm_file = fopen("/etc/krb.conf", "r")) == (FILE *) 0) {
return(expand);
}
if (fgets(linebuf, BUFSIZ, rlm_file) == NULL) {
/* error reading */
(void) fclose(rlm_file);
return(expand);
}
if (sscanf(linebuf, "%s", krb_realm) < 1) {
/* error reading */
(void) fclose(rlm_file);
return(expand);
}
if (!strncmp(krb_realm, expand, strlen(expand))) {
(void) fclose(rlm_file);
return(krb_realm);
}
while (1) {
/* run through the file, looking for admin host */
if (fgets(linebuf, BUFSIZ, rlm_file) == NULL) {
(void) fclose(rlm_file);
return(expand);
}
if (sscanf(linebuf, "%s %s admin %s", krb_realm, krb_host, scratch)
< 2)
continue;
if (!strncmp(krb_realm, expand, strlen(expand))) {
(void) fclose(rlm_file);
return(krb_realm);
}
}
#endif /* ZEPHYR_USES_KERBEROS */
}
#endif
---2143855796-755253631-811086063=:14990--
