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Diffstat (limited to 'src/config.h')
| -rw-r--r-- | src/config.h | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/src/config.h b/src/config.h new file mode 100644 index 0000000..0039c3e --- /dev/null +++ b/src/config.h @@ -0,0 +1,280 @@ +/* dnsmasq is Copyright (c) 2000-2011 Simon Kelley + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 dated June, 1991, or + (at your option) version 3 dated 29 June, 2007. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#define VERSION "2.57" + +#define FTABSIZ 150 /* max number of outstanding requests (default) */ +#define MAX_PROCS 20 /* max no children for TCP requests */ +#define CHILD_LIFETIME 150 /* secs 'till terminated (RFC1035 suggests > 120s) */ +#define EDNS_PKTSZ 4096 /* default max EDNS.0 UDP packet from RFC5625 */ +#define TIMEOUT 10 /* drop UDP queries after TIMEOUT seconds */ +#define FORWARD_TEST 50 /* try all servers every 50 queries */ +#define FORWARD_TIME 20 /* or 20 seconds */ +#define RANDOM_SOCKS 64 /* max simultaneous random ports */ +#define LEASE_RETRY 60 /* on error, retry writing leasefile after LEASE_RETRY seconds */ +#define CACHESIZ 150 /* default cache size */ +#define MAXLEASES 1000 /* maximum number of DHCP leases */ +#define PING_WAIT 3 /* wait for ping address-in-use test */ +#define PING_CACHE_TIME 30 /* Ping test assumed to be valid this long. */ +#define DECLINE_BACKOFF 600 /* disable DECLINEd static addresses for this long */ +#define DHCP_PACKET_MAX 16384 /* hard limit on DHCP packet size */ +#define SMALLDNAME 40 /* most domain names are smaller than this */ +#define HOSTSFILE "/etc/hosts" +#define ETHERSFILE "/etc/ethers" +#ifdef __uClinux__ +# define RESOLVFILE "/etc/config/resolv.conf" +#else +# define RESOLVFILE "/etc/resolv.conf" +#endif +#define RUNFILE "/var/run/dnsmasq.pid" + +#ifndef LEASEFILE +# if defined(__FreeBSD__) || defined (__OpenBSD__) || defined(__DragonFly__) || defined(__NetBSD__) +# define LEASEFILE "/var/db/dnsmasq.leases" +# elif defined(__sun__) || defined (__sun) +# define LEASEFILE "/var/cache/dnsmasq.leases" +# elif defined(__ANDROID__) +# define LEASEFILE "/data/misc/dhcp/dnsmasq.leases" +# else +# define LEASEFILE "/var/lib/misc/dnsmasq.leases" +# endif +#endif + +#ifndef CONFFILE +# if defined(__FreeBSD__) +# define CONFFILE "/usr/local/etc/dnsmasq.conf" +# else +# define CONFFILE "/etc/dnsmasq.conf" +# endif +#endif + +#define DEFLEASE 3600 /* default lease time, 1 hour */ +#define CHUSER "nobody" +#define CHGRP "dip" +#define NAMESERVER_PORT 53 +#define DHCP_SERVER_PORT 67 +#define DHCP_CLIENT_PORT 68 +#define DHCP_SERVER_ALTPORT 1067 +#define DHCP_CLIENT_ALTPORT 1068 +#define PXE_PORT 4011 +#define TFTP_PORT 69 +#define TFTP_MAX_CONNECTIONS 50 /* max simultaneous connections */ +#define LOG_MAX 5 /* log-queue length */ +#define RANDFILE "/dev/urandom" +#define DAD_WAIT 20 /* retry binding IPv6 sockets for this long */ +#define EDNS0_OPTION_MAC 5 /* dyndns.org temporary assignment */ + +/* DBUS interface specifics */ +#define DNSMASQ_SERVICE "uk.org.thekelleys.dnsmasq" +#define DNSMASQ_PATH "/uk/org/thekelleys/dnsmasq" + +/* Follows system specific switches. If you run on a + new system, you may want to edit these. + May replace this with Autoconf one day. + +HAVE_LINUX_NETWORK +HAVE_BSD_NETWORK +HAVE_SOLARIS_NETWORK + define exactly one of these to alter interaction with kernel networking. + +HAVE_BROKEN_RTC + define this on embedded systems which don't have an RTC + which keeps time over reboots. Causes dnsmasq to use uptime + for timing, and keep lease lengths rather than expiry times + in its leases file. This also make dnsmasq "flash disk friendly". + Normally, dnsmasq tries very hard to keep the on-disk leases file + up-to-date: rewriting it after every renewal. When HAVE_BROKEN_RTC + is in effect, the lease file is only written when a new lease is + created, or an old one destroyed. (Because those are the only times + it changes.) This vastly reduces the number of file writes, and makes + it viable to keep the lease file on a flash filesystem. + NOTE: when enabling or disabling this, be sure to delete any old + leases file, otherwise dnsmasq may get very confused. + +HAVE_TFTP + define this to get dnsmasq's built-in TFTP server. + +HAVE_DHCP + define this to get dnsmasq's DHCP server. + +HAVE_SCRIPT + define this to get the ability to call scripts on lease-change + +HAVE_GETOPT_LONG + define this if you have GNU libc or GNU getopt. + +HAVE_ARC4RANDOM + define this if you have arc4random() to get better security from DNS spoofs + by using really random ids (OpenBSD) + +HAVE_SOCKADDR_SA_LEN + define this if struct sockaddr has sa_len field (*BSD) + +HAVE_DBUS + define this if you want to link against libdbus, and have dnsmasq + support some methods to allow (re)configuration of the upstream DNS + servers via DBus. + +HAVE_IDN + define this if you want international domain name support. + NOTE: for backwards compatibility, IDN support is automatically + included when internationalisation support is built, using the + *-i18n makefile targets, even if HAVE_IDN is not explicitly set. + +NOTES: + For Linux you should define + HAVE_LINUX_NETWORK + HAVE_GETOPT_LONG + you should NOT define + HAVE_ARC4RANDOM + HAVE_SOCKADDR_SA_LEN + + For *BSD systems you should define + HAVE_BSD_NETWORK + HAVE_SOCKADDR_SA_LEN + and you MAY define + HAVE_ARC4RANDOM - OpenBSD and FreeBSD and NetBSD version 2.0 or later + HAVE_GETOPT_LONG - NetBSD, later FreeBSD + (FreeBSD and OpenBSD only if you link GNU getopt) + +*/ + +/* platform independent options- uncomment to enable */ +#define HAVE_DHCP +#define HAVE_TFTP +#define HAVE_SCRIPT +/* #define HAVE_BROKEN_RTC */ +#define HAVE_DBUS +/* #define HAVE_IDN */ + +/* Allow TFTP to be disabled with COPTS=-DNO_TFTP */ +#ifdef NO_TFTP +#undef HAVE_TFTP +#endif + +/* Allow DHCP to be disabled with COPTS=-DNO_DHCP */ +#ifdef NO_DHCP +#undef HAVE_DHCP +#endif + +/* Allow scripts to be disabled with COPTS=-DNO_SCRIPT */ +#ifdef NO_SCRIPT +#undef HAVE_SCRIPT +#endif + + + +/* platform dependent options. */ + +/* Must preceed __linux__ since uClinux defines __linux__ too. */ +#if defined(__uClinux__) +#define HAVE_LINUX_NETWORK +#define HAVE_GETOPT_LONG +#undef HAVE_ARC4RANDOM +#undef HAVE_SOCKADDR_SA_LEN +/* Never use fork() on uClinux. Note that this is subtly different from the + --keep-in-foreground option, since it also suppresses forking new + processes for TCP connections and disables the call-a-script on leasechange + system. It's intended for use on MMU-less kernels. */ +#define NO_FORK + +#elif defined(__UCLIBC__) +#define HAVE_LINUX_NETWORK +#if defined(__UCLIBC_HAS_GNU_GETOPT__) || \ + ((__UCLIBC_MAJOR__==0) && (__UCLIBC_MINOR__==9) && (__UCLIBC_SUBLEVEL__<21)) +# define HAVE_GETOPT_LONG +#endif +#undef HAVE_ARC4RANDOM +#undef HAVE_SOCKADDR_SA_LEN +#if !defined(__ARCH_HAS_MMU__) && !defined(__UCLIBC_HAS_MMU__) +# define NO_FORK +#endif +#if defined(__UCLIBC_HAS_IPV6__) +# ifndef IPV6_V6ONLY +# define IPV6_V6ONLY 26 +# endif +#endif + +/* This is for glibc 2.x */ +#elif defined(__linux__) +#define HAVE_LINUX_NETWORK +#define HAVE_GETOPT_LONG +#undef HAVE_ARC4RANDOM +#undef HAVE_SOCKADDR_SA_LEN + +#elif defined(__FreeBSD__) || \ + defined(__OpenBSD__) || \ + defined(__DragonFly__) || \ + defined(__FreeBSD_kernel__) +#define HAVE_BSD_NETWORK +/* Later verions of FreeBSD have getopt_long() */ +#if defined(optional_argument) && defined(required_argument) +# define HAVE_GETOPT_LONG +#endif +#if !defined(__FreeBSD_kernel__) +# define HAVE_ARC4RANDOM +#endif +#define HAVE_SOCKADDR_SA_LEN + +#elif defined(__APPLE__) +#define HAVE_BSD_NETWORK +#define HAVE_GETOPT_LONG +#define HAVE_ARC4RANDOM +#define HAVE_SOCKADDR_SA_LEN +/* Define before sys/socket.h is included so we get socklen_t */ +#define _BSD_SOCKLEN_T_ + +#elif defined(__NetBSD__) +#define HAVE_BSD_NETWORK +#define HAVE_GETOPT_LONG +#undef HAVE_ARC4RANDOM +#define HAVE_SOCKADDR_SA_LEN + +#elif defined(__sun) || defined(__sun__) +#define HAVE_SOLARIS_NETWORK +#define HAVE_GETOPT_LONG +#undef HAVE_ARC4RANDOM +#undef HAVE_SOCKADDR_SA_LEN +#define ETHER_ADDR_LEN 6 + +#endif + +/* Decide if we're going to support IPv6 */ +/* IPv6 can be forced off with "make COPTS=-DNO_IPV6" */ +/* We assume that systems which don't have IPv6 + headers don't have ntop and pton either */ + +#if defined(INET6_ADDRSTRLEN) && defined(IPV6_V6ONLY) && !defined(NO_IPV6) +# define HAVE_IPV6 +# define ADDRSTRLEN INET6_ADDRSTRLEN +# if defined(SOL_IPV6) +# define IPV6_LEVEL SOL_IPV6 +# else +# define IPV6_LEVEL IPPROTO_IPV6 +# endif +#elif defined(INET_ADDRSTRLEN) +# undef HAVE_IPV6 +# define ADDRSTRLEN INET_ADDRSTRLEN +#else +# undef HAVE_IPV6 +# define ADDRSTRLEN 16 /* 4*3 + 3 dots + NULL */ +#endif + +/* Can't do scripts without fork */ +#ifdef NOFORK +# undef HAVE_SCRIPT +#endif + |