Initial revision

1 files changed, 129 insertions, 0 deletions

diff --git a/support/nfs/keytab.c b/support/nfs/keytab.c
new file mode 100644
index 0000000..e33dded
--- /dev/null
+++ b/support/nfs/keytab.c
@@ -0,0 +1,129 @@
+/*
+ * 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;
+}