Have popfile() also close the main config file,

but only do the final popfile call after yyparse() is done.
This also fixes config reload on SIGHUP for some daemons.

Spotted by otto@. OK deraadt@

1 files changed, 15 insertions, 14 deletions

diff --git a/usr.sbin/ospf6d/parse.y b/usr.sbin/ospf6d/parse.y
index 0bc09123b30..69163d8750a 100644
--- a/usr.sbin/ospf6d/parse.y
+++ b/usr.sbin/ospf6d/parse.y
@@ -1,4 +1,4 @@
-/*	$OpenBSD: parse.y,v 1.12 2007/12/13 08:54:05 claudio Exp $ */
+/*	$OpenBSD: parse.y,v 1.13 2008/02/26 10:09:58 mpf Exp $ */
 
 /*
  * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
@@ -51,7 +51,7 @@ static struct file {
 	char			*name;
 	int			 lineno;
 	int			 errors;
-} *file;
+} *file, *topfile;
 struct file	*pushfile(const char *, int);
 int		 popfile(void);
 int		 check_file_secrecy(int, const char *);
@@ -589,8 +589,9 @@ lgetc(int quotec)
 
 	if (quotec) {
 		if ((c = getc(file->stream)) == EOF) {
-			yyerror("reached end of file while parsing quoted string");
-			if (popfile() == EOF)
+			yyerror("reached end of file while parsing "
+			    "quoted string");
+			if (file == topfile || popfile() == EOF)
 				return (EOF);
 			return (quotec);
 		}
@@ -608,7 +609,7 @@ lgetc(int quotec)
 	}
 
 	while (c == EOF) {
-		if (popfile() == EOF)
+		if (file == topfile || popfile() == EOF)
 			return (EOF);
 		c = getc(file->stream);
 	}
@@ -849,16 +850,15 @@ popfile(void)
 {
 	struct file	*prev;
 
-	if ((prev = TAILQ_PREV(file, files, entry)) != NULL) {
+	if ((prev = TAILQ_PREV(file, files, entry)) != NULL)
 		prev->errors += file->errors;
-		TAILQ_REMOVE(&files, file, entry);
-		fclose(file->stream);
-		free(file->name);
-		free(file);
-		file = prev;
-		return (0);
-	}
-	return (EOF);
+
+	TAILQ_REMOVE(&files, file, entry);
+	fclose(file->stream);
+	free(file->name);
+	free(file);
+	file = prev;
+	return (file ? 0 : EOF);
 }
 
 struct ospfd_conf *
@@ -889,6 +889,7 @@ parse_config(char *filename, int opts)
 		free(conf);
 		return (NULL);
 	}
+	topfile = file;
 
 	LIST_INIT(&conf->area_list);
 	LIST_INIT(&conf->cand_list);