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/*
* support/nfs/keytab.c
*
* Manage the nfskeys database.
*
* Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
*/
#include "config.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <syslog.h>
#include <ctype.h>
#include "xmalloc.h"
#include "nfslib.h"
#include "exportfs.h"
#include "xio.h"
static FILE *cfp = NULL;
int
setnfskeyent(char *fname)
{
if (cfp)
fclose(cfp);
if (!fname)
fname = _PATH_NFSKEYS;
cfp = fsetnfskeyent(fname, "r");
return cfp != NULL;
}
FILE *
fsetnfskeyent(char *fname, char *type)
{
#if 0
FILE *fp;
if ((fp = fopen(fname, type)) == NULL)
xlog(L_ERROR, "can't open %s for %sing\n",
fname, type[0] == 'r'? "read" : "writ");
return fp;
#else
return fopen(fname, type);
#endif
}
struct nfskeyent *
getnfskeyent(void)
{
return fgetnfskeyent(cfp);
}
struct nfskeyent *
fgetnfskeyent(FILE *fp)
{
static struct nfskeyent ke;
if (!fp)
return NULL;
do {
if (fread(&ke, sizeof(ke), 1, fp) != 1)
return NULL;
} while(ke.k_hostname[0] == '\0');
return &ke;
}
void
endnfskeyent(void)
{
if (cfp)
fclose(cfp);
cfp = NULL;
}
void
fendnfskeyent(FILE *fp)
{
if (fp)
fclose(fp);
}
void
fputnfskeyent(FILE *fp, struct nfskeyent *kep)
{
fwrite(kep, sizeof(*kep), 1, fp);
}
int
getnfskeytype(char *st)
{
if (!strcasecmp(st, "null"))
return CLE_KEY_NULL;
if (!strcasecmp(st, "md5"))
return CLE_KEY_MD5;
if (!strcasecmp(st, "sha"))
return CLE_KEY_SHA;
return CLE_KEY_NONE;
}
char *
getnfskeyname(int type)
{
switch (type) {
case CLE_KEY_NONE:
return "none";
case CLE_KEY_NULL:
return "null";
case CLE_KEY_MD5:
return "md5";
case CLE_KEY_SHA:
return "sha";
}
return "unk";
}
int
getnfskeysize(int type)
{
switch (type) {
case CLE_KEY_MD5:
return 16;
case CLE_KEY_SHA:
return 20;
}
return 0;
}
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