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137 lines
4.3 KiB
137 lines
4.3 KiB
/* $USAGI: ninfod.h,v 1.20 2002-12-19 15:51:16 yoshfuji Exp $ */
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/*
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* Copyright (C) 2002 USAGI/WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Author:
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* YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
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*/
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/* definitions */
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#define NINFOD "ninfod"
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#define NINFOD_PIDFILE "/var/run/ninfod.pid"
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#define MAX_ANYCAST_DELAY_TIME 1000000.0 /* 1 sec */
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#define MAX_DNSLABEL_SIZE 63
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#define MAX_DNSNAME_SIZE 255
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#define MAX_QUERY_SIZE (sizeof(struct icmp6_nodeinfo)+MAX_DNSNAME_SIZE+2)
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#define MAX_REPLY_SIZE 1280-sizeof(struct ip6_hdr)
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#define MAX_SUPTYPES 32
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#define CHECKANDFILL_ARGS struct packetcontext *p,\
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char *subject, size_t subjlen, \
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unsigned int flags, \
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unsigned int *subj_if, \
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int reply
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#define INIT_ARGS \
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int forced
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struct packetcontext {
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/* socket */
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int sock;
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/* query info */
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struct sockaddr_storage addr;
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socklen_t addrlen;
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struct in6_pktinfo pktinfo;
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char query[MAX_QUERY_SIZE];
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int querylen;
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/* reply info */
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struct icmp6_nodeinfo reply; /* common */
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char *replydata; /* data */
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int replydatalen;
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unsigned int delay; /* (random) delay */
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};
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/* variables */
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extern int opt_v; /* ninfod.c */
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extern int daemonized; /* ninfod.c */
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extern int sock; /* ninfod.c */
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extern int initialized; /* ninfod_core.c */
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/* ninfod.c* */
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int ni_recv(struct packetcontext *p);
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int ni_send(struct packetcontext *p);
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/* ninfod_core.c */
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#if ENABLE_DEBUG
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void stderrlog(int priority, char *format, ...);
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# define DEBUG(pri, fmt, args...) do { \
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int saved_errno = errno; \
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if (opt_v || pri != LOG_DEBUG) { \
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if (daemonized) { \
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syslog(pri, fmt, ## args); \
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} else { \
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stderrlog(pri, fmt, ## args); \
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} \
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} \
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errno = saved_errno; \
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} while(0)
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#else
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# define DEBUG(pri, fmt, args...) do { ; } while(0)
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#endif
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#define ni_malloc(size) ({ \
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size_t _size = (size); \
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void *p = malloc(_size); \
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DEBUG(LOG_DEBUG, "%s(): malloc(%zu) = %p\n", __func__, _size, p); \
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p; \
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})
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#define ni_free(p) ({ \
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void *_p = (p); \
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int saved_errno = errno; \
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DEBUG(LOG_DEBUG, "%s(): free(%p)\n", __func__, _p); \
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free(_p); \
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errno = saved_errno; \
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})
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void init_core(int forced);
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int pr_nodeinfo(struct packetcontext *p);
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int pr_nodeinfo_unknown(CHECKANDFILL_ARGS);
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int pr_nodeinfo_refused(CHECKANDFILL_ARGS);
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int pr_nodeinfo_noop(CHECKANDFILL_ARGS);
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void init_nodeinfo_suptypes(INIT_ARGS);
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int pr_nodeinfo_suptypes(CHECKANDFILL_ARGS);
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/* ninfod_addrs.c */
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void init_nodeinfo_ipv6addr(INIT_ARGS);
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int pr_nodeinfo_ipv6addr(CHECKANDFILL_ARGS);
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void init_nodeinfo_ipv4addr(INIT_ARGS);
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int pr_nodeinfo_ipv4addr(CHECKANDFILL_ARGS);
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/* ninfod_name.c */
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int check_nigroup(const struct in6_addr *addr);
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void init_nodeinfo_nodename(INIT_ARGS);
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int pr_nodeinfo_nodename(CHECKANDFILL_ARGS);
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