Initial revision

1 files changed, 122 insertions, 0 deletions

diff --git a/support/nfs/rmtab.c b/support/nfs/rmtab.c
new file mode 100644
index 0000000..b9b5ff1
--- /dev/null
+++ b/support/nfs/rmtab.c
@@ -0,0 +1,122 @@
+/*
+ * support/nfs/rmtab.c
+ *
+ * Handling for rmtab.
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#include "config.h"
+
+#include <sys/fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <signal.h>
+#include "nfslib.h"
+
+static FILE	*rmfp = NULL;
+
+int
+setrmtabent(char *type)
+{
+	if (rmfp)
+		fclose(rmfp);
+	rmfp = fsetrmtabent(_PATH_RMTAB, type);
+	return (rmfp != NULL);
+}
+
+FILE *
+fsetrmtabent(char *fname, char *type)
+{
+	int	readonly = !strcmp(type, "r");
+	FILE	*fp;
+
+	if (!fname)
+		return NULL;
+	if ((fp = fopen(fname, type)) == NULL) {
+		xlog(L_ERROR, "can't open %s for %sing", fname,
+				readonly ? "read" : "writ");
+		return NULL;
+	}
+	return fp;
+}
+
+struct rmtabent *
+getrmtabent(int log)
+{
+	return fgetrmtabent(rmfp, log);
+}
+
+struct rmtabent *
+fgetrmtabent(FILE *fp, int log)
+{
+	static struct rmtabent	re;
+	char	buf[2048], *sp;
+
+	errno = 0;
+	if (!fp)
+		return NULL;
+	do {
+		if (fgets(buf, sizeof(buf)-1, fp) == NULL)
+			return NULL;
+		if ((sp = strchr(buf, '\n')) != NULL)
+			*sp = '\0';
+		if (!(sp = strchr(buf, ':'))) {
+			if (log)
+				xlog(L_ERROR, "malformed entry in rmtab file");
+			errno = EINVAL;
+			return NULL;
+		}
+		*sp++ = '\0';
+	} while (0);
+	strncpy(re.r_client, buf, sizeof (re.r_client) - 1);
+	re.r_client[sizeof (re.r_client) - 1] = '\0';
+	strncpy(re.r_path, sp, sizeof (re.r_path) - 1);
+	re.r_path[sizeof (re.r_path) - 1] = '\0';
+	return &re;
+}
+
+void
+putrmtabent(struct rmtabent *rep)
+{
+	fputrmtabent(rmfp, rep);
+}
+
+void
+fputrmtabent(FILE *fp, struct rmtabent *rep)
+{
+	if (!fp)
+		return;
+	fprintf(fp, "%s:%s\n", rep->r_client, rep->r_path);
+}
+
+void
+endrmtabent(void)
+{
+	fendrmtabent(rmfp);
+	rmfp = NULL;
+}
+
+void
+fendrmtabent(FILE *fp)
+{
+	if (fp)
+		fclose(fp);
+}
+
+void
+rewindrmtabent(void)
+{
+	if (rmfp)
+		rewind(rmfp);
+}
+
+void
+frewindrmtabent(FILE *fp)
+{
+	if (fp)
+		rewind (fp);
+}