1 files changed, 78 insertions, 0 deletions
diff --git a/utils.h b/utils.h
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+++ b/utils.h
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+/*
+ * firewall3 - 3rd OpenWrt UCI firewall implementation
+ *
+ *   Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef __FW3_UTILS_H
+#define __FW3_UTILS_H
+
+#include <stdlib.h>
+#include <stdbool.h>
+#include <unistd.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <sys/file.h>
+
+#include <libubox/list.h>
+#include <uci.h>
+
+
+#define FW3_STATEFILE	"/var/run/fw3.lock"
+
+void warn_elem(struct uci_element *e, const char *format, ...);
+void warn(const char *format, ...);
+void error(const char *format, ...);
+void info(const char *format, ...);
+
+#define fw3_foreach(p, h)                                                  \
+	for (p = list_empty(h) ? NULL : list_first_entry(h, typeof(*p), list); \
+         list_empty(h) ? (p == NULL) : (&p->list != (h));                  \
+	     p = list_empty(h) ? list_first_entry(h, typeof(*p), list)         \
+                           : list_entry(p->list.next, typeof(*p), list))
+
+static inline void
+fw3_free_list(struct list_head *list)
+{
+	struct list_head *cur, *tmp;
+
+	list_for_each_safe(cur, tmp, list)
+	{
+		list_del(cur);
+		free(cur);
+	}
+}
+
+#define fw3_is_family(p, f)                                                \
+	(!p || p->family == FW3_FAMILY_ANY || p->family == f)
+
+const char * fw3_find_command(const char *cmd);
+
+bool fw3_stdout_pipe(void);
+bool __fw3_command_pipe(bool silent, const char *command, ...);
+#define fw3_command_pipe(...) __fw3_command_pipe(__VA_ARGS__, NULL)
+
+void fw3_command_close(void);
+void fw3_pr(const char *fmt, ...);
+
+bool fw3_has_table(bool ipv6, const char *table);
+
+bool fw3_check_statefile(bool test_exists);
+void fw3_remove_statefile(void);
+void fw3_close_statefile(void);
+
+#endif