busybox

/* vi: set sw=4 ts=4: */

/*

 *  ifupdown for busybox

 *  Copyright (c) 2002 Glenn McGrath

 *  Copyright (c) 2003-2004 Erik Andersen <andersen@codepoet.org>

 *

 *  Based on ifupdown v 0.6.4 by Anthony Towns

 *  Copyright (c) 1999 Anthony Towns <aj@azure.humbug.org.au>

 *

 *  Changes to upstream version

 *  Remove checks for kernel version, assume kernel version 2.2.0 or better.

 *  Lines in the interfaces file cannot wrap.

 *  To adhere to the FHS, the default state file is /var/run/ifstate

 *  (defined via CONFIG_IFUPDOWN_IFSTATE_PATH) and can be overridden by build

 *  configuration.

 *

 * Licensed under GPLv2 or later, see file LICENSE in this source tree.

 */

​

#include "libbb.h"

/* After libbb.h, since it needs sys/types.h on some systems */

#include <sys/utsname.h>

#include <fnmatch.h>

​

#define MAX_OPT_DEPTH 10

#define EUNBALBRACK 10001

#define EUNDEFVAR   10002

#define EUNBALPER   10000

​

#if ENABLE_FEATURE_IFUPDOWN_MAPPING

#define MAX_INTERFACE_LENGTH 10

#endif

​

#define UDHCPC_CMD_OPTIONS CONFIG_IFUPDOWN_UDHCPC_CMD_OPTIONS

​

#define debug_noise(args...) /*fprintf(stderr, args)*/

​

/* Forward declaration */

struct interface_defn_t;

​

typedef int execfn(char *command);

​

struct method_t {

    const char *name;

    int (*up)(struct interface_defn_t *ifd, execfn *e) FAST_FUNC;

    int (*down)(struct interface_defn_t *ifd, execfn *e) FAST_FUNC;

};

​

struct address_family_t {

    const char *name;

    int n_methods;

    const struct method_t *method;

};

​

struct mapping_defn_t {

    struct mapping_defn_t *next;

​

    int max_matches;

    int n_matches;

    char **match;

​

    char *script;

​