if-options.h

   1 /*
   2  * dhcpcd - DHCP client daemon
   3  * Copyright (c) 2006-2009 Roy Marples <roy@marples.name>
   4  * All rights reserved
   5
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  */
  27
  28 #ifndef IF_OPTIONS_H
  29 #define IF_OPTIONS_H
  30
  31 #include <sys/socket.h>
  32 #include <net/if.h>
  33 #include <netinet/in.h>
  34
  35 #include <getopt.h>
  36 #include <limits.h>
  37
  38 /* Don't set any optional arguments here so we retain POSIX
  39  * compatibility with getopt */
  40 #define IF_OPTS "bc:def:h:i:kl:m:no:pqr:s:t:u:v:xy:z:ABC:DEF:GI:KLN:O:Q:TVX:Z:"
  41
  42 #define DEFAULT_TIMEOUT         30
  43 #define DEFAULT_REBOOT          10
  44
  45 #define HOSTNAME_MAX_LEN        250     /* 255 - 3 (FQDN) - 2 (DNS enc) */
  46 #define VENDORCLASSID_MAX_LEN   48
  47 #define CLIENTID_MAX_LEN        48
  48 #define USERCLASS_MAX_LEN       255
  49 #define VENDOR_MAX_LEN          255
  50
  51 #define DHCPCD_ARP              (1 << 0)
  52 #define DHCPCD_RELEASE          (1 << 1)
  53 #define DHCPCD_DOMAIN           (1 << 2)
  54 #define DHCPCD_GATEWAY          (1 << 3)
  55 #define DHCPCD_STATIC           (1 << 4)
  56 #define DHCPCD_DEBUG            (1 << 5)
  57 #define DHCPCD_LASTLEASE        (1 << 7)
  58 #define DHCPCD_INFORM           (1 << 8)
  59 #define DHCPCD_REQUEST          (1 << 9)
  60 #define DHCPCD_IPV4LL           (1 << 10)
  61 #define DHCPCD_DUID             (1 << 11)
  62 #define DHCPCD_PERSISTENT       (1 << 12)
  63 #define DHCPCD_DAEMONISE        (1 << 14)
  64 #define DHCPCD_DAEMONISED       (1 << 15)
  65 #define DHCPCD_TEST             (1 << 16)
  66 #define DHCPCD_MASTER           (1 << 17)
  67 #define DHCPCD_HOSTNAME         (1 << 18)
  68 #define DHCPCD_CLIENTID         (1 << 19)
  69 #define DHCPCD_LINK             (1 << 20)
  70 #define DHCPCD_QUIET            (1 << 21)
  71 #define DHCPCD_BACKGROUND       (1 << 22)
  72
  73 extern const struct option cf_options[];
  74
  75 struct if_options {
  76         int metric;
  77         uint8_t requestmask[256 / 8];
  78         uint8_t requiremask[256 / 8];
  79         uint8_t nomask[256 / 8];
  80         uint8_t dstmask[256 / 8];
  81         uint32_t leasetime;
  82         time_t timeout;
  83         time_t reboot;
  84         int options;
  85
  86         struct in_addr req_addr;
  87         struct in_addr req_mask;
  88         struct rt *routes;
  89         char **config;
  90
  91         char **environ;
  92         char script[PATH_MAX];
  93
  94         char hostname[HOSTNAME_MAX_LEN + 1]; /* We don't store the length */
  95         int fqdn;
  96         uint8_t vendorclassid[VENDORCLASSID_MAX_LEN + 2];
  97         char clientid[CLIENTID_MAX_LEN + 2];
  98         uint8_t userclass[USERCLASS_MAX_LEN + 2];
  99         uint8_t vendor[VENDOR_MAX_LEN + 2];
 100
 101         size_t blacklist_len;
 102         in_addr_t *blacklist;
 103         size_t arping_len;
 104         in_addr_t *arping;
 105         char *fallback;
 106 };
 107
 108 struct if_options *read_config(const char *,
 109     const char *, const char *, const char *);
 110 int add_options(struct if_options *, int, char **);
 111 void free_options(struct if_options *);
 112
 113 #endif