1 /* 2 * dhcpcd - DHCP client daemon 3 * Copyright (c) 2006-2012 Roy Marples <roy (at) 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 "abc:de:f:gh:i:kl:m:no:pqr:s:t:u:v:wxy:z:ABC:DEF:GHI:JKLO:Q:S:TUVW:X:Z:" 41 42 #define DEFAULT_TIMEOUT 0 /* keep retrying forever... */ 43 #define DEFAULT_REBOOT 5 44 45 #define HOSTNAME_MAX_LEN 250 /* 255 - 3 (FQDN) - 2 (DNS enc) */ 46 #define VENDORCLASSID_MAX_LEN 255 47 #define CLIENTID_MAX_LEN 48 48 #define USERCLASS_MAX_LEN 255 49 #define VENDOR_MAX_LEN 255 50 51 #define DHCPCD_ARP (1ULL << 0) 52 #define DHCPCD_RELEASE (1ULL << 1) 53 #define DHCPCD_DOMAIN (1ULL << 2) 54 #define DHCPCD_GATEWAY (1ULL << 3) 55 #define DHCPCD_STATIC (1ULL << 4) 56 #define DHCPCD_DEBUG (1ULL << 5) 57 #define DHCPCD_LASTLEASE (1ULL << 7) 58 #define DHCPCD_INFORM (1ULL << 8) 59 #define DHCPCD_REQUEST (1ULL << 9) 60 #define DHCPCD_IPV4LL (1ULL << 10) 61 #define DHCPCD_DUID (1ULL << 11) 62 #define DHCPCD_PERSISTENT (1ULL << 12) 63 #define DHCPCD_DAEMONISE (1ULL << 14) 64 #define DHCPCD_DAEMONISED (1ULL << 15) 65 #define DHCPCD_TEST (1ULL << 16) 66 #define DHCPCD_MASTER (1ULL << 17) 67 #define DHCPCD_HOSTNAME (1ULL << 18) 68 #define DHCPCD_CLIENTID (1ULL << 19) 69 #define DHCPCD_LINK (1ULL << 20) 70 #define DHCPCD_QUIET (1ULL << 21) 71 #define DHCPCD_BACKGROUND (1ULL << 22) 72 #define DHCPCD_VENDORRAW (1ULL << 23) 73 #define DHCPCD_TIMEOUT_IPV4LL (1ULL << 24) 74 #define DHCPCD_WAITIP (1ULL << 25) 75 #define DHCPCD_WAITUP (1ULL << 26) 76 #define DHCPCD_CSR_WARNED (1ULL << 27) 77 #define DHCPCD_XID_HWADDR (1ULL << 28) 78 #define DHCPCD_BROADCAST (1ULL << 29) 79 #define DHCPCD_DUMPLEASE (1ULL << 30) 80 #define DHCPCD_IPV6RS (1ULL << 31) 81 #define DHCPCD_IPV6RA_REQRDNSS (1ULL << 32) 82 83 extern const struct option cf_options[]; 84 85 struct if_options { 86 int metric; 87 uint8_t requestmask[256 / 8]; 88 uint8_t requiremask[256 / 8]; 89 uint8_t nomask[256 / 8]; 90 uint8_t dstmask[256 / 8]; 91 uint32_t leasetime; 92 time_t timeout; 93 time_t reboot; 94 unsigned long long options; 95 96 struct in_addr req_addr; 97 struct in_addr req_mask; 98 struct rt *routes; 99 char **config; 100 101 char **environ; 102 char script[PATH_MAX]; 103 104 char hostname[HOSTNAME_MAX_LEN + 1]; /* We don't store the length */ 105 int fqdn; 106 uint8_t vendorclassid[VENDORCLASSID_MAX_LEN + 2]; 107 char clientid[CLIENTID_MAX_LEN + 2]; 108 uint8_t userclass[USERCLASS_MAX_LEN + 2]; 109 uint8_t vendor[VENDOR_MAX_LEN + 2]; 110 111 size_t blacklist_len; 112 in_addr_t *blacklist; 113 size_t whitelist_len; 114 in_addr_t *whitelist; 115 size_t arping_len; 116 in_addr_t *arping; 117 char *fallback; 118 }; 119 120 struct if_options *read_config(const char *, 121 const char *, const char *, const char *); 122 int add_options(struct if_options *, int, char **); 123 void free_options(struct if_options *); 124 125 #endif 126
