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