mirror of
https://github.com/matrix-construct/construct
synced 2024-11-17 23:40:57 +01:00
authd: initial pass at win32 porting
This commit is contained in:
William Pitcock
parent
b1f7e4098f
commit
76ebf6c489
8 changed files with 1319 additions and 3 deletions
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@ -3,5 +3,5 @@ AM_CFLAGS=$(WARNFLAGS)
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AM_CPPFLAGS = -I../include -I../librb/include
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AM_CPPFLAGS = -I../include -I../librb/include
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authd_SOURCES = authd.c res.c reslib.c dns.c
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authd_SOURCES = authd.c res.c reslib.c reslist.c getnameinfo.c getaddrinfo.c dns.c
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authd_LDADD = ../librb/src/librb.la
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authd_LDADD = ../librb/src/librb.la
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617
authd/getaddrinfo.c
Normal file
617
authd/getaddrinfo.c
Normal file
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@ -0,0 +1,617 @@
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/*
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* Copyright (C) 1995, 1996, 1997, and 1998 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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#ifdef _WIN32
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#include <ratbox_lib.h>
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#include "getaddrinfo.h"
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/* $Id$ */
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static const char in_addrany[] = { 0, 0, 0, 0 };
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static const char in_loopback[] = { 127, 0, 0, 1 };
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static const char in6_addrany[] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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};
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static const char in6_loopback[] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1
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};
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static const struct afd {
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int a_af;
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int a_addrlen;
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int a_socklen;
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int a_off;
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const char *a_addrany;
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const char *a_loopback;
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int a_scoped;
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} afdl [] = {
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#define N_INET6 0
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#ifdef IPV6
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{PF_INET6, sizeof(struct in6_addr),
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sizeof(struct sockaddr_in6),
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offsetof(struct sockaddr_in6, sin6_addr),
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in6_addrany, in6_loopback, 1},
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#endif
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#define N_INET 1
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{PF_INET, sizeof(struct in_addr),
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sizeof(struct sockaddr_in),
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offsetof(struct sockaddr_in, sin_addr),
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in_addrany, in_loopback, 0},
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{0, 0, 0, 0, NULL, NULL, 0},
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};
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struct explore {
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int e_af;
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int e_socktype;
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int e_protocol;
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const char *e_protostr;
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int e_wild;
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#define WILD_AF(ex) ((ex)->e_wild & 0x01)
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#define WILD_SOCKTYPE(ex) ((ex)->e_wild & 0x02)
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#define WILD_PROTOCOL(ex) ((ex)->e_wild & 0x04)
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};
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static const struct explore explore[] = {
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#ifdef IPV6
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{ PF_INET6, SOCK_DGRAM, IPPROTO_UDP, "udp", 0x07 },
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{ PF_INET6, SOCK_STREAM, IPPROTO_TCP, "tcp", 0x07 },
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{ PF_INET6, SOCK_RAW, ANY, NULL, 0x05 },
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#endif
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{ PF_INET, SOCK_DGRAM, IPPROTO_UDP, "udp", 0x07 },
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{ PF_INET, SOCK_STREAM, IPPROTO_TCP, "tcp", 0x07 },
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{ PF_INET, SOCK_RAW, ANY, NULL, 0x05 },
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{ PF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, "udp", 0x07 },
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{ PF_UNSPEC, SOCK_STREAM, IPPROTO_TCP, "tcp", 0x07 },
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{ PF_UNSPEC, SOCK_RAW, ANY, NULL, 0x05 },
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{ -1, 0, 0, NULL, 0 },
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};
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#define PTON_MAX 16
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static int str_isnumber(const char *);
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static int explore_null(const struct rb_addrinfo *,
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const char *, struct rb_addrinfo **);
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static int explore_numeric(const struct rb_addrinfo *, const char *,
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const char *, struct rb_addrinfo **);
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static struct rb_addrinfo *get_ai(const struct rb_addrinfo *,
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const struct afd *, const char *);
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static int get_portmatch(const struct rb_addrinfo *, const char *);
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static int get_port(struct rb_addrinfo *, const char *, int);
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static const struct afd *find_afd(int);
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#if 0
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/* We will need this should we ever want gai_strerror() */
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static char *ai_errlist[] = {
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"Success",
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"Address family for hostname not supported", /* EAI_ADDRFAMILY */
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"Temporary failure in name resolution", /* EAI_AGAIN */
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"Invalid value for ai_flags", /* EAI_BADFLAGS */
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"Non-recoverable failure in name resolution", /* EAI_FAIL */
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"ai_family not supported", /* EAI_FAMILY */
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"Memory allocation failure", /* EAI_MEMORY */
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"No address associated with hostname", /* EAI_NODATA */
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"hostname nor servname provided, or not known", /* EAI_NONAME */
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"servname not supported for ai_socktype", /* EAI_SERVICE */
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"ai_socktype not supported", /* EAI_SOCKTYPE */
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"System error returned in errno", /* EAI_SYSTEM */
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"Invalid value for hints", /* EAI_BADHINTS */
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"Resolved protocol is unknown", /* EAI_PROTOCOL */
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"Unknown error", /* EAI_MAX */
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};
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#endif
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/* XXX macros that make external reference is BAD. */
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#define GET_AI(ai, afd, addr) \
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do { \
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/* external reference: pai, error, and label free */ \
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(ai) = get_ai(pai, (afd), (addr)); \
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if ((ai) == NULL) { \
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error = EAI_MEMORY; \
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goto free; \
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} \
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} while (/*CONSTCOND*/0)
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#define GET_PORT(ai, serv) \
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do { \
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/* external reference: error and label free */ \
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error = get_port((ai), (serv), 0); \
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if (error != 0) \
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goto free; \
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} while (/*CONSTCOND*/0)
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#define ERR(err) \
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do { \
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/* external reference: error, and label bad */ \
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error = (err); \
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goto bad; \
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/*NOTREACHED*/ \
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} while (/*CONSTCOND*/0)
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#define MATCH_FAMILY(x, y, w) \
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((x) == (y) || (/*CONSTCOND*/(w) && ((x) == PF_UNSPEC || (y) == PF_UNSPEC)))
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#define MATCH(x, y, w) \
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((x) == (y) || (/*CONSTCOND*/(w) && ((x) == ANY || (y) == ANY)))
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#if 0
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/* We will need this should we ever want gai_strerror() */
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char *
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gai_strerror(int ecode)
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{
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if (ecode < 0 || ecode > EAI_MAX)
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ecode = EAI_MAX;
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return ai_errlist[ecode];
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}
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#endif
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void
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rb_freeaddrinfo(struct rb_addrinfo *ai)
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{
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struct rb_addrinfo *next;
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do {
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next = ai->ai_next;
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if (ai->ai_canonname)
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rb_free(ai->ai_canonname);
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/* no need to free(ai->ai_addr) */
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rb_free(ai);
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ai = next;
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} while (ai);
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}
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static int
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str_isnumber(const char *p)
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{
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char *ep;
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if (*p == '\0')
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return NO;
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ep = NULL;
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errno = 0;
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(void)strtoul(p, &ep, 10);
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if (errno == 0 && ep && *ep == '\0')
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return YES;
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else
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return NO;
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}
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int
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rb_getaddrinfo(const char *hostname, const char *servname,
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const struct rb_addrinfo *hints, struct rb_addrinfo **res)
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{
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struct rb_addrinfo sentinel;
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struct rb_addrinfo *cur;
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int error = 0;
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struct rb_addrinfo ai;
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struct rb_addrinfo ai0;
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struct rb_addrinfo *pai;
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const struct explore *ex;
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memset(&sentinel, 0, sizeof(sentinel));
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cur = &sentinel;
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pai = &ai;
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pai->ai_flags = 0;
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pai->ai_family = PF_UNSPEC;
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pai->ai_socktype = ANY;
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pai->ai_protocol = ANY;
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pai->ai_addrlen = 0;
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pai->ai_canonname = NULL;
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pai->ai_addr = NULL;
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pai->ai_next = NULL;
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if (hostname == NULL && servname == NULL)
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return EAI_NONAME;
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if (hints) {
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/* error check for hints */
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if (hints->ai_addrlen || hints->ai_canonname ||
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hints->ai_addr || hints->ai_next)
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ERR(EAI_BADHINTS); /* xxx */
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if (hints->ai_flags & ~AI_MASK)
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ERR(EAI_BADFLAGS);
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switch (hints->ai_family) {
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case PF_UNSPEC:
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case PF_INET:
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#ifdef IPV6
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case PF_INET6:
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#endif
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break;
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default:
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ERR(EAI_FAMILY);
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}
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memcpy(pai, hints, sizeof(*pai));
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/*
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* if both socktype/protocol are specified, check if they
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* are meaningful combination.
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*/
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if (pai->ai_socktype != ANY && pai->ai_protocol != ANY) {
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for (ex = explore; ex->e_af >= 0; ex++) {
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if (pai->ai_family != ex->e_af)
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continue;
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if (ex->e_socktype == ANY)
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continue;
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if (ex->e_protocol == ANY)
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continue;
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if (pai->ai_socktype == ex->e_socktype &&
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pai->ai_protocol != ex->e_protocol) {
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ERR(EAI_BADHINTS);
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}
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}
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}
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}
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/*
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* check for special cases. (1) numeric servname is disallowed if
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* socktype/protocol are left unspecified. (2) servname is disallowed
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* for raw and other inet{,6} sockets.
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*/
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if (MATCH_FAMILY(pai->ai_family, PF_INET, 1)
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#ifdef IPV6
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|| MATCH_FAMILY(pai->ai_family, PF_INET6, 1)
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#endif
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) {
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ai0 = *pai; /* backup *pai */
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if (pai->ai_family == PF_UNSPEC) {
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#ifdef IPV6
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pai->ai_family = PF_INET6;
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#else
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pai->ai_family = PF_INET;
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#endif
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}
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error = get_portmatch(pai, servname);
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if (error)
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ERR(error);
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*pai = ai0;
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}
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ai0 = *pai;
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/* NULL hostname, or numeric hostname */
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for (ex = explore; ex->e_af >= 0; ex++) {
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*pai = ai0;
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|
|
||||||
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/* PF_UNSPEC entries are prepared for DNS queries only */
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if (ex->e_af == PF_UNSPEC)
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continue;
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||||||
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if (!MATCH_FAMILY(pai->ai_family, ex->e_af, WILD_AF(ex)))
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|
continue;
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|
if (!MATCH(pai->ai_socktype, ex->e_socktype, WILD_SOCKTYPE(ex)))
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|
continue;
|
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if (!MATCH(pai->ai_protocol, ex->e_protocol, WILD_PROTOCOL(ex)))
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|
continue;
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|
|
||||||
|
if (pai->ai_family == PF_UNSPEC)
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|
pai->ai_family = ex->e_af;
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||||||
|
if (pai->ai_socktype == ANY && ex->e_socktype != ANY)
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|
pai->ai_socktype = ex->e_socktype;
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||||||
|
if (pai->ai_protocol == ANY && ex->e_protocol != ANY)
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pai->ai_protocol = ex->e_protocol;
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|
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if (hostname == NULL)
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|
error = explore_null(pai, servname, &cur->ai_next);
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|
else
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|
error = explore_numeric(pai, hostname, servname, &cur->ai_next);
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|
|
||||||
|
if (error)
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goto free;
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||||||
|
|
||||||
|
while (cur && cur->ai_next)
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|
cur = cur->ai_next;
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|
}
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|
|
||||||
|
/*
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|
* XXX
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|
* If numreic representation of AF1 can be interpreted as FQDN
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|
* representation of AF2, we need to think again about the code below.
|
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|
*/
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||||||
|
if (sentinel.ai_next)
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|
goto good;
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||||||
|
|
||||||
|
if (pai->ai_flags & AI_NUMERICHOST)
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|
ERR(EAI_NONAME);
|
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|
if (hostname == NULL)
|
||||||
|
ERR(EAI_NODATA);
|
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|
|
||||||
|
/* XXX */
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|
if (sentinel.ai_next)
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|
error = 0;
|
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|
|
||||||
|
if (error)
|
||||||
|
goto free;
|
||||||
|
if (error == 0) {
|
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|
if (sentinel.ai_next) {
|
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|
good:
|
||||||
|
*res = sentinel.ai_next;
|
||||||
|
return SUCCESS;
|
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|
} else
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|
error = EAI_FAIL;
|
||||||
|
}
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|
free:
|
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|
bad:
|
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|
if (sentinel.ai_next)
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|
rb_freeaddrinfo(sentinel.ai_next);
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||||||
|
*res = NULL;
|
||||||
|
return error;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
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|
* hostname == NULL.
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||||||
|
* passive socket -> anyaddr (0.0.0.0 or ::)
|
||||||
|
* non-passive socket -> localhost (127.0.0.1 or ::1)
|
||||||
|
*/
|
||||||
|
static int
|
||||||
|
explore_null(const struct rb_addrinfo *pai, const char *servname, struct rb_addrinfo **res)
|
||||||
|
{
|
||||||
|
int s;
|
||||||
|
const struct afd *afd;
|
||||||
|
struct rb_addrinfo *cur;
|
||||||
|
struct rb_addrinfo sentinel;
|
||||||
|
int error;
|
||||||
|
|
||||||
|
*res = NULL;
|
||||||
|
sentinel.ai_next = NULL;
|
||||||
|
cur = &sentinel;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* filter out AFs that are not supported by the kernel
|
||||||
|
* XXX errno?
|
||||||
|
*/
|
||||||
|
s = socket(pai->ai_family, SOCK_DGRAM, 0);
|
||||||
|
if (s < 0) {
|
||||||
|
#ifdef _WIN32
|
||||||
|
errno = WSAGetLastError();
|
||||||
|
#endif
|
||||||
|
if (errno != EMFILE)
|
||||||
|
return 0;
|
||||||
|
} else
|
||||||
|
#ifdef _WIN32
|
||||||
|
closesocket(s);
|
||||||
|
#else
|
||||||
|
close(s);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/*
|
||||||
|
* if the servname does not match socktype/protocol, ignore it.
|
||||||
|
*/
|
||||||
|
if (get_portmatch(pai, servname) != 0)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
afd = find_afd(pai->ai_family);
|
||||||
|
if (afd == NULL)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
if (pai->ai_flags & AI_PASSIVE) {
|
||||||
|
GET_AI(cur->ai_next, afd, afd->a_addrany);
|
||||||
|
GET_PORT(cur->ai_next, servname);
|
||||||
|
} else {
|
||||||
|
GET_AI(cur->ai_next, afd, afd->a_loopback);
|
||||||
|
GET_PORT(cur->ai_next, servname);
|
||||||
|
}
|
||||||
|
cur = cur->ai_next;
|
||||||
|
|
||||||
|
*res = sentinel.ai_next;
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
free:
|
||||||
|
if (sentinel.ai_next)
|
||||||
|
rb_freeaddrinfo(sentinel.ai_next);
|
||||||
|
return error;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* numeric hostname
|
||||||
|
*/
|
||||||
|
static int
|
||||||
|
explore_numeric(const struct rb_addrinfo *pai, const char *hostname,
|
||||||
|
const char *servname, struct rb_addrinfo **res)
|
||||||
|
{
|
||||||
|
const struct afd *afd;
|
||||||
|
struct rb_addrinfo *cur;
|
||||||
|
struct rb_addrinfo sentinel;
|
||||||
|
int error;
|
||||||
|
char pton[PTON_MAX];
|
||||||
|
|
||||||
|
*res = NULL;
|
||||||
|
sentinel.ai_next = NULL;
|
||||||
|
cur = &sentinel;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* if the servname does not match socktype/protocol, ignore it.
|
||||||
|
*/
|
||||||
|
if (get_portmatch(pai, servname) != 0)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
afd = find_afd(pai->ai_family);
|
||||||
|
if (afd == NULL)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
switch (afd->a_af) {
|
||||||
|
#if 0 /*X/Open spec*/
|
||||||
|
case AF_INET:
|
||||||
|
if (rb_inet_pton
|
||||||
|
if (inet_aton(hostname, (struct in_addr *)pton) == 1) {
|
||||||
|
if (pai->ai_family == afd->a_af ||
|
||||||
|
pai->ai_family == PF_UNSPEC /*?*/) {
|
||||||
|
GET_AI(cur->ai_next, afd, pton);
|
||||||
|
GET_PORT(cur->ai_next, servname);
|
||||||
|
while (cur && cur->ai_next)
|
||||||
|
cur = cur->ai_next;
|
||||||
|
} else
|
||||||
|
ERR(EAI_FAMILY); /*xxx*/
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
#endif
|
||||||
|
default:
|
||||||
|
if (rb_inet_pton(afd->a_af, hostname, pton) == 1) {
|
||||||
|
if (pai->ai_family == afd->a_af ||
|
||||||
|
pai->ai_family == PF_UNSPEC /*?*/) {
|
||||||
|
GET_AI(cur->ai_next, afd, pton);
|
||||||
|
GET_PORT(cur->ai_next, servname);
|
||||||
|
while (cur && cur->ai_next)
|
||||||
|
cur = cur->ai_next;
|
||||||
|
} else
|
||||||
|
ERR(EAI_FAMILY); /* XXX */
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
*res = sentinel.ai_next;
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
free:
|
||||||
|
bad:
|
||||||
|
if (sentinel.ai_next)
|
||||||
|
rb_freeaddrinfo(sentinel.ai_next);
|
||||||
|
return error;
|
||||||
|
}
|
||||||
|
|
||||||
|
static struct rb_addrinfo *
|
||||||
|
get_ai(const struct rb_addrinfo *pai, const struct afd *afd, const char *addr)
|
||||||
|
{
|
||||||
|
char *p;
|
||||||
|
struct rb_addrinfo *ai;
|
||||||
|
|
||||||
|
ai = (struct rb_addrinfo *)rb_malloc(sizeof(struct rb_addrinfo)
|
||||||
|
+ (afd->a_socklen));
|
||||||
|
if (ai == NULL)
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
memcpy(ai, pai, sizeof(struct rb_addrinfo));
|
||||||
|
ai->ai_addr = (struct sockaddr *)(void *)(ai + 1);
|
||||||
|
memset(ai->ai_addr, 0, (size_t)afd->a_socklen);
|
||||||
|
ai->ai_addrlen = afd->a_socklen;
|
||||||
|
ai->ai_addr->sa_family = ai->ai_family = afd->a_af;
|
||||||
|
p = (char *)(void *)(ai->ai_addr);
|
||||||
|
memcpy(p + afd->a_off, addr, (size_t)afd->a_addrlen);
|
||||||
|
return ai;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
get_portmatch(const struct rb_addrinfo *ai, const char *servname)
|
||||||
|
{
|
||||||
|
struct rb_addrinfo xai;
|
||||||
|
memcpy(&xai, ai, sizeof(struct rb_addrinfo));
|
||||||
|
return(get_port(&xai, servname, 1));
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
get_port(struct rb_addrinfo *ai, const char *servname, int matchonly)
|
||||||
|
{
|
||||||
|
const char *proto;
|
||||||
|
struct servent *sp;
|
||||||
|
int port;
|
||||||
|
int allownumeric;
|
||||||
|
|
||||||
|
if (servname == NULL)
|
||||||
|
return 0;
|
||||||
|
switch (ai->ai_family) {
|
||||||
|
case AF_INET:
|
||||||
|
#ifdef AF_INET6
|
||||||
|
case AF_INET6:
|
||||||
|
#endif
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
switch (ai->ai_socktype) {
|
||||||
|
case SOCK_RAW:
|
||||||
|
return EAI_SERVICE;
|
||||||
|
case SOCK_DGRAM:
|
||||||
|
case SOCK_STREAM:
|
||||||
|
allownumeric = 1;
|
||||||
|
break;
|
||||||
|
case ANY:
|
||||||
|
allownumeric = 0;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
return EAI_SOCKTYPE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (str_isnumber(servname)) {
|
||||||
|
if (!allownumeric)
|
||||||
|
return EAI_SERVICE;
|
||||||
|
port = atoi(servname);
|
||||||
|
if (port < 0 || port > 65535)
|
||||||
|
return EAI_SERVICE;
|
||||||
|
port = htons(port);
|
||||||
|
} else {
|
||||||
|
switch (ai->ai_socktype) {
|
||||||
|
case SOCK_DGRAM:
|
||||||
|
proto = "udp";
|
||||||
|
break;
|
||||||
|
case SOCK_STREAM:
|
||||||
|
proto = "tcp";
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
proto = NULL;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
if ((sp = getservbyname(servname, proto)) == NULL)
|
||||||
|
return EAI_SERVICE;
|
||||||
|
port = sp->s_port;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!matchonly) {
|
||||||
|
switch (ai->ai_family) {
|
||||||
|
case AF_INET:
|
||||||
|
((struct sockaddr_in *)(void *)
|
||||||
|
ai->ai_addr)->sin_port = port;
|
||||||
|
break;
|
||||||
|
#ifdef IPV6
|
||||||
|
case AF_INET6:
|
||||||
|
((struct sockaddr_in6 *)(void *)
|
||||||
|
ai->ai_addr)->sin6_port = port;
|
||||||
|
break;
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct afd *
|
||||||
|
find_afd(int af)
|
||||||
|
{
|
||||||
|
const struct afd *afd;
|
||||||
|
|
||||||
|
if (af == PF_UNSPEC)
|
||||||
|
return(NULL);
|
||||||
|
|
||||||
|
for (afd = afdl; afd->a_af; afd++)
|
||||||
|
{
|
||||||
|
if (afd->a_af == af)
|
||||||
|
return(afd);
|
||||||
|
}
|
||||||
|
|
||||||
|
return(NULL);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
130
authd/getaddrinfo.h
Normal file
130
authd/getaddrinfo.h
Normal file
|
|
@ -0,0 +1,130 @@
|
||||||
|
/*
|
||||||
|
* Copyright (C) 1995, 1996, 1997, and 1998 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.
|
||||||
|
*
|
||||||
|
* $Id$
|
||||||
|
*/
|
||||||
|
|
||||||
|
struct rb_addrinfo {
|
||||||
|
int ai_flags;
|
||||||
|
int ai_family;
|
||||||
|
int ai_socktype;
|
||||||
|
int ai_protocol;
|
||||||
|
size_t ai_addrlen;
|
||||||
|
char *ai_canonname;
|
||||||
|
struct sockaddr *ai_addr;
|
||||||
|
struct rb_addrinfo *ai_next;
|
||||||
|
};
|
||||||
|
|
||||||
|
#ifndef AI_PASSIVE
|
||||||
|
#define AI_PASSIVE 0x00000001 /* get address to use bind() */
|
||||||
|
#endif /* AI_PASSIVE */
|
||||||
|
|
||||||
|
#ifndef AI_NUMERICHOST
|
||||||
|
#define AI_NUMERICHOST 0x00000004 /* prevent name resolution */
|
||||||
|
#endif /* AI_NUMERICHOST */
|
||||||
|
|
||||||
|
#ifndef EAI_FAIL
|
||||||
|
#define EAI_FAIL 4 /* non-recoverable failure in name resolution */
|
||||||
|
#endif /* EAI_FAIL */
|
||||||
|
|
||||||
|
#ifndef EAI_FAMILY
|
||||||
|
#define EAI_FAMILY 5 /* ai_family not supported */
|
||||||
|
#endif /* EAI_FAMILY */
|
||||||
|
|
||||||
|
#ifndef EAI_MEMORY
|
||||||
|
#define EAI_MEMORY 6 /* memory allocation failure */
|
||||||
|
#endif /* EAI_MEMORY */
|
||||||
|
|
||||||
|
#ifndef EAI_NONAME
|
||||||
|
#define EAI_NONAME 8 /* hostname nor servname provided, or not known */
|
||||||
|
#endif /* EAI_NONAME */
|
||||||
|
|
||||||
|
#ifndef EAI_SYSTEM
|
||||||
|
#define EAI_SYSTEM 11 /* system error returned in errno */
|
||||||
|
#endif /* EAI_SYSTEM */
|
||||||
|
|
||||||
|
#ifndef NI_NUMERICHOST
|
||||||
|
#define NI_NUMERICHOST 0x00000002
|
||||||
|
#endif /* NI_NUMERICHOST */
|
||||||
|
|
||||||
|
#ifndef NI_NAMEREQD
|
||||||
|
#define NI_NAMEREQD 0x00000004
|
||||||
|
#endif /* NI_NAMEREQD */
|
||||||
|
|
||||||
|
#ifndef NI_NUMERICSERV
|
||||||
|
#define NI_NUMERICSERV 0x00000008
|
||||||
|
#endif /* NI_NUMERICSERV */
|
||||||
|
|
||||||
|
#ifndef NI_DGRAM
|
||||||
|
#define NI_DGRAM 0x00000010
|
||||||
|
#endif /* NI_DGRAM */
|
||||||
|
|
||||||
|
#ifndef INADDR_NONE
|
||||||
|
#define INADDR_NONE ((unsigned int) 0xffffffff)
|
||||||
|
#endif /* INADDR_NONE */
|
||||||
|
|
||||||
|
int rb_getaddrinfo(const char *hostname, const char *servname,
|
||||||
|
const struct rb_addrinfo *hints, struct rb_addrinfo **res);
|
||||||
|
void rb_freeaddrinfo(struct rb_addrinfo *ai);
|
||||||
|
|
||||||
|
#define SUCCESS 0
|
||||||
|
#define ANY 0
|
||||||
|
#define YES 1
|
||||||
|
#define NO 0
|
||||||
|
|
||||||
|
#undef EAI_ADDRFAMILY
|
||||||
|
#undef EAI_AGAIN
|
||||||
|
#undef EAI_BADFLAGS
|
||||||
|
#undef EAI_FAIL
|
||||||
|
#undef EAI_FAMILY
|
||||||
|
#undef EAI_MEMORY
|
||||||
|
#undef EAI_NODATA
|
||||||
|
#undef EAI_NONAME
|
||||||
|
#undef EAI_SERVICE
|
||||||
|
#undef EAI_SOCKTYPE
|
||||||
|
#undef EAI_SYSTEM
|
||||||
|
#undef EAI_BADHINTS
|
||||||
|
#undef EAI_PROTOCOL
|
||||||
|
#undef EAI_MAX
|
||||||
|
#undef AI_MASK
|
||||||
|
|
||||||
|
#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
|
||||||
|
#define EAI_AGAIN 2 /* temporary failure in name resolution */
|
||||||
|
#define EAI_BADFLAGS 3 /* invalid value for ai_flags */
|
||||||
|
#define EAI_FAIL 4 /* non-recoverable failure in name resolution */
|
||||||
|
#define EAI_FAMILY 5 /* ai_family not supported */
|
||||||
|
#define EAI_MEMORY 6 /* memory allocation failure */
|
||||||
|
#define EAI_NODATA 7 /* no address associated with hostname */
|
||||||
|
#define EAI_NONAME 8 /* hostname nor servname provided, or not known */
|
||||||
|
#define EAI_SERVICE 9 /* servname not supported for ai_socktype */
|
||||||
|
#define EAI_SOCKTYPE 10 /* ai_socktype not supported */
|
||||||
|
#define EAI_SYSTEM 11 /* system error returned in errno */
|
||||||
|
#define EAI_BADHINTS 12
|
||||||
|
#define EAI_PROTOCOL 13
|
||||||
|
#define EAI_MAX 14
|
||||||
|
#define AI_MASK (AI_PASSIVE | AI_NUMERICHOST)
|
||||||
242
authd/getnameinfo.c
Normal file
242
authd/getnameinfo.c
Normal file
|
|
@ -0,0 +1,242 @@
|
||||||
|
/*
|
||||||
|
* Copyright (C) 1995, 1996, 1997, and 1998 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Issues to be discussed:
|
||||||
|
* - Thread safe-ness must be checked
|
||||||
|
* - RFC2553 says that we should raise error on short buffer. X/Open says
|
||||||
|
* we need to truncate the result. We obey RFC2553 (and X/Open should be
|
||||||
|
* modified). ipngwg rough consensus seems to follow RFC2553.
|
||||||
|
* - What is "local" in NI_FQDN?
|
||||||
|
* - NI_NAMEREQD and NI_NUMERICHOST conflict with each other.
|
||||||
|
* - (KAME extension) always attach textual scopeid (fe80::1%lo0), if
|
||||||
|
* sin6_scope_id is filled - standardization status?
|
||||||
|
* XXX breaks backward compat for code that expects no scopeid.
|
||||||
|
* beware on merge.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifdef _WIN32
|
||||||
|
#include <ratbox_lib.h>
|
||||||
|
#include "getaddrinfo.h"
|
||||||
|
#include "getnameinfo.h"
|
||||||
|
|
||||||
|
/* $Id$ */
|
||||||
|
|
||||||
|
static const struct afd {
|
||||||
|
int a_af;
|
||||||
|
int a_addrlen;
|
||||||
|
rb_socklen_t a_socklen;
|
||||||
|
int a_off;
|
||||||
|
} afdl [] = {
|
||||||
|
#ifdef IPV6
|
||||||
|
{PF_INET6, sizeof(struct in6_addr), sizeof(struct sockaddr_in6),
|
||||||
|
offsetof(struct sockaddr_in6, sin6_addr)},
|
||||||
|
#endif
|
||||||
|
{PF_INET, sizeof(struct in_addr), sizeof(struct sockaddr_in),
|
||||||
|
offsetof(struct sockaddr_in, sin_addr)},
|
||||||
|
{0, 0, 0, 0},
|
||||||
|
};
|
||||||
|
|
||||||
|
struct sockinet
|
||||||
|
{
|
||||||
|
unsigned char si_len;
|
||||||
|
unsigned char si_family;
|
||||||
|
unsigned short si_port;
|
||||||
|
};
|
||||||
|
|
||||||
|
#ifdef IPV6
|
||||||
|
static int ip6_parsenumeric(const struct sockaddr *, const char *, char *,
|
||||||
|
size_t, int);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
int
|
||||||
|
rb_getnameinfo(const struct sockaddr *sa, rb_socklen_t salen, char *host,
|
||||||
|
size_t hostlen, char *serv, size_t servlen, int flags)
|
||||||
|
{
|
||||||
|
const struct afd *afd;
|
||||||
|
struct servent *sp;
|
||||||
|
unsigned short port;
|
||||||
|
int family, i;
|
||||||
|
const char *addr;
|
||||||
|
uint32_t v4a;
|
||||||
|
char numserv[512];
|
||||||
|
char numaddr[512];
|
||||||
|
|
||||||
|
if (sa == NULL)
|
||||||
|
return EAI_FAIL;
|
||||||
|
|
||||||
|
/* if (sa->sa_len != salen)
|
||||||
|
return EAI_FAIL;
|
||||||
|
*/
|
||||||
|
family = sa->sa_family;
|
||||||
|
for (i = 0; afdl[i].a_af; i++)
|
||||||
|
if (afdl[i].a_af == family) {
|
||||||
|
afd = &afdl[i];
|
||||||
|
goto found;
|
||||||
|
}
|
||||||
|
return EAI_FAMILY;
|
||||||
|
|
||||||
|
found:
|
||||||
|
if (salen != afd->a_socklen)
|
||||||
|
return EAI_FAIL;
|
||||||
|
|
||||||
|
/* network byte order */
|
||||||
|
port = ((const struct sockinet *)sa)->si_port;
|
||||||
|
addr = (const char *)sa + afd->a_off;
|
||||||
|
|
||||||
|
if (serv == NULL || servlen == 0) {
|
||||||
|
/*
|
||||||
|
* do nothing in this case.
|
||||||
|
* in case you are wondering if "&&" is more correct than
|
||||||
|
* "||" here: rfc2553bis-03 says that serv == NULL OR
|
||||||
|
* servlen == 0 means that the caller does not want the result.
|
||||||
|
*/
|
||||||
|
} else {
|
||||||
|
if (flags & NI_NUMERICSERV)
|
||||||
|
sp = NULL;
|
||||||
|
else {
|
||||||
|
sp = getservbyport(port,
|
||||||
|
(flags & NI_DGRAM) ? "udp" : "tcp");
|
||||||
|
}
|
||||||
|
if (sp) {
|
||||||
|
if (strlen(sp->s_name) + 1 > servlen)
|
||||||
|
return EAI_MEMORY;
|
||||||
|
rb_strlcpy(serv, sp->s_name, servlen);
|
||||||
|
} else {
|
||||||
|
snprintf(numserv, sizeof(numserv), "%u", ntohs(port));
|
||||||
|
if (strlen(numserv) + 1 > servlen)
|
||||||
|
return EAI_MEMORY;
|
||||||
|
rb_strlcpy(serv, numserv, servlen);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
switch (sa->sa_family) {
|
||||||
|
case AF_INET:
|
||||||
|
v4a = (uint32_t)
|
||||||
|
ntohl(((const struct sockaddr_in *)sa)->sin_addr.s_addr);
|
||||||
|
if (IN_MULTICAST(v4a) || IN_EXPERIMENTAL(v4a))
|
||||||
|
flags |= NI_NUMERICHOST;
|
||||||
|
v4a >>= IN_CLASSA_NSHIFT;
|
||||||
|
if (v4a == 0)
|
||||||
|
flags |= NI_NUMERICHOST;
|
||||||
|
break;
|
||||||
|
#ifdef IPV6
|
||||||
|
case AF_INET6:
|
||||||
|
{
|
||||||
|
const struct sockaddr_in6 *sin6;
|
||||||
|
sin6 = (const struct sockaddr_in6 *)sa;
|
||||||
|
switch (sin6->sin6_addr.s6_addr[0]) {
|
||||||
|
case 0x00:
|
||||||
|
if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr))
|
||||||
|
;
|
||||||
|
else if (IN6_IS_ADDR_LOOPBACK(&sin6->sin6_addr))
|
||||||
|
;
|
||||||
|
else
|
||||||
|
flags |= NI_NUMERICHOST;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
|
||||||
|
flags |= NI_NUMERICHOST;
|
||||||
|
}
|
||||||
|
else if (IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr))
|
||||||
|
flags |= NI_NUMERICHOST;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
if (host == NULL || hostlen == 0) {
|
||||||
|
/*
|
||||||
|
* do nothing in this case.
|
||||||
|
* in case you are wondering if "&&" is more correct than
|
||||||
|
* "||" here: rfc2553bis-03 says that host == NULL or
|
||||||
|
* hostlen == 0 means that the caller does not want the result.
|
||||||
|
*/
|
||||||
|
} else if (flags & NI_NUMERICHOST) {
|
||||||
|
size_t numaddrlen;
|
||||||
|
|
||||||
|
/* NUMERICHOST and NAMEREQD conflicts with each other */
|
||||||
|
if (flags & NI_NAMEREQD)
|
||||||
|
return EAI_NONAME;
|
||||||
|
|
||||||
|
switch(afd->a_af) {
|
||||||
|
#ifdef IPV6
|
||||||
|
case AF_INET6:
|
||||||
|
{
|
||||||
|
int error;
|
||||||
|
|
||||||
|
if ((error = ip6_parsenumeric(sa, addr, host,
|
||||||
|
hostlen, flags)) != 0)
|
||||||
|
return(error);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
default:
|
||||||
|
if (rb_inet_ntop(afd->a_af, addr, numaddr, sizeof(numaddr))
|
||||||
|
== NULL)
|
||||||
|
return EAI_SYSTEM;
|
||||||
|
numaddrlen = strlen(numaddr);
|
||||||
|
if (numaddrlen + 1 > hostlen) /* don't forget terminator */
|
||||||
|
return EAI_MEMORY;
|
||||||
|
rb_strlcpy(host, numaddr, hostlen);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
#ifdef IPV6
|
||||||
|
static int
|
||||||
|
ip6_parsenumeric(const struct sockaddr *sa, const char *addr,
|
||||||
|
char *host, size_t hostlen, int flags)
|
||||||
|
{
|
||||||
|
size_t numaddrlen;
|
||||||
|
char numaddr[512];
|
||||||
|
|
||||||
|
if (rb_inet_ntop(AF_INET6, addr, numaddr, sizeof(numaddr)) == NULL)
|
||||||
|
return(EAI_SYSTEM);
|
||||||
|
|
||||||
|
numaddrlen = strlen(numaddr);
|
||||||
|
|
||||||
|
if (numaddrlen + 1 > hostlen) /* don't forget terminator */
|
||||||
|
return(EAI_MEMORY);
|
||||||
|
|
||||||
|
if (*numaddr == ':')
|
||||||
|
{
|
||||||
|
*host = '0';
|
||||||
|
rb_strlcpy(host+1, numaddr, hostlen-1);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
rb_strlcpy(host, numaddr, hostlen);
|
||||||
|
|
||||||
|
return(0);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
#endif
|
||||||
41
authd/getnameinfo.h
Normal file
41
authd/getnameinfo.h
Normal file
|
|
@ -0,0 +1,41 @@
|
||||||
|
/*
|
||||||
|
* Copyright (C) 1995, 1996, 1997, and 1998 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.
|
||||||
|
*
|
||||||
|
* $Id$
|
||||||
|
*/
|
||||||
|
|
||||||
|
int rb_getnameinfo(const struct sockaddr *sa, rb_socklen_t salen, char *host,
|
||||||
|
size_t hostlen, char *serv, size_t servlen, int flags);
|
||||||
|
|
||||||
|
#ifndef IN_MULTICAST
|
||||||
|
#define IN_MULTICAST(a) ((((long int) (a)) & 0xf0000000) == 0xe0000000)
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifndef IN_EXPERIMENTAL
|
||||||
|
#define IN_EXPERIMENTAL(a) ((((long int) (a)) & 0xe0000000) == 0xe0000000)
|
||||||
|
#endif
|
||||||
|
|
@ -76,6 +76,18 @@
|
||||||
* - Dianora
|
* - Dianora
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
#ifndef _WIN32
|
||||||
|
#include <netdb.h>
|
||||||
|
#else
|
||||||
|
#include "getaddrinfo.h"
|
||||||
|
#include "getnameinfo.h"
|
||||||
|
#define getaddrinfo rb_getaddrinfo
|
||||||
|
#define getnameinfo rb_getnameinfo
|
||||||
|
#define freeaddrinfo rb_freeaddrinfo
|
||||||
|
|
||||||
|
extern const char * get_windows_nameservers(void);
|
||||||
|
#endif
|
||||||
|
|
||||||
#include "stdinc.h"
|
#include "stdinc.h"
|
||||||
#include "ircd_defs.h"
|
#include "ircd_defs.h"
|
||||||
#include "common.h"
|
#include "common.h"
|
||||||
|
|
|
||||||
276
authd/reslist.c
Normal file
276
authd/reslist.c
Normal file
|
|
@ -0,0 +1,276 @@
|
||||||
|
/*
|
||||||
|
* reslist.c - get nameservers from windows *
|
||||||
|
*
|
||||||
|
* ircd-ratbox related changes are as follows
|
||||||
|
*
|
||||||
|
* Copyright (C) 2008 Aaron Sethman <androsyn@ratbox.org>
|
||||||
|
* Copyright (C) 2008-2012 ircd-ratbox development team
|
||||||
|
*
|
||||||
|
* pretty much all of this was yanked from c-ares ares_init.c here is the original
|
||||||
|
* header from there --
|
||||||
|
*
|
||||||
|
* Id: ares_init.c,v 1.72 2008-05-15 00:00:19 yangtse Exp $
|
||||||
|
* Copyright 1998 by the Massachusetts Institute of Technology.
|
||||||
|
* Copyright (C) 2007-2008 by Daniel Stenberg
|
||||||
|
*
|
||||||
|
* Permission to use, copy, modify, and distribute this
|
||||||
|
* software and its documentation for any purpose and without
|
||||||
|
* fee is hereby granted, provided that the above copyright
|
||||||
|
* notice appear in all copies and that both that copyright
|
||||||
|
* notice and this permission notice appear in supporting
|
||||||
|
* documentation, and that the name of M.I.T. not be used in
|
||||||
|
* advertising or publicity pertaining to distribution of the
|
||||||
|
* software without specific, written prior permission.
|
||||||
|
* M.I.T. makes no representations about the suitability of
|
||||||
|
* this software for any purpose. It is provided "as is"
|
||||||
|
* without express or implied warranty.
|
||||||
|
*
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifdef _WIN32
|
||||||
|
#include <ratbox_lib.h>
|
||||||
|
|
||||||
|
#include <windows.h>
|
||||||
|
#include <iphlpapi.h>
|
||||||
|
|
||||||
|
const char *get_windows_nameservers(void);
|
||||||
|
|
||||||
|
|
||||||
|
#define IS_NT() ((int)GetVersion() > 0)
|
||||||
|
#define WIN_NS_9X "System\\CurrentControlSet\\Services\\VxD\\MSTCP"
|
||||||
|
#define WIN_NS_NT_KEY "System\\CurrentControlSet\\Services\\Tcpip\\Parameters"
|
||||||
|
#define NAMESERVER "NameServer"
|
||||||
|
#define DHCPNAMESERVER "DhcpNameServer"
|
||||||
|
#define DATABASEPATH "DatabasePath"
|
||||||
|
#define WIN_PATH_HOSTS "\\hosts"
|
||||||
|
|
||||||
|
static int
|
||||||
|
get_iphlpapi_dns_info(char *ret_buf, size_t ret_size)
|
||||||
|
{
|
||||||
|
FIXED_INFO *fi = alloca(sizeof(*fi));
|
||||||
|
DWORD size = sizeof(*fi);
|
||||||
|
typedef DWORD(WINAPI * get_net_param_func) (FIXED_INFO *, DWORD *);
|
||||||
|
get_net_param_func xxGetNetworkParams; /* available only on Win-98/2000+ */
|
||||||
|
HMODULE handle;
|
||||||
|
IP_ADDR_STRING *ipAddr;
|
||||||
|
int i, count = 0;
|
||||||
|
int debug = 0;
|
||||||
|
size_t ip_size = sizeof("255.255.255.255,") - 1;
|
||||||
|
size_t left = ret_size;
|
||||||
|
char *ret = ret_buf;
|
||||||
|
HRESULT res;
|
||||||
|
|
||||||
|
if(!fi)
|
||||||
|
return (0);
|
||||||
|
|
||||||
|
handle = LoadLibrary("iphlpapi.dll");
|
||||||
|
if(!handle)
|
||||||
|
return (0);
|
||||||
|
|
||||||
|
xxGetNetworkParams = (get_net_param_func) GetProcAddress(handle, "GetNetworkParams");
|
||||||
|
if(!xxGetNetworkParams)
|
||||||
|
goto quit;
|
||||||
|
|
||||||
|
res = (*xxGetNetworkParams) (fi, &size);
|
||||||
|
if((res != ERROR_BUFFER_OVERFLOW) && (res != ERROR_SUCCESS))
|
||||||
|
goto quit;
|
||||||
|
|
||||||
|
fi = alloca(size);
|
||||||
|
if(!fi || (*xxGetNetworkParams) (fi, &size) != ERROR_SUCCESS)
|
||||||
|
goto quit;
|
||||||
|
|
||||||
|
if(debug)
|
||||||
|
{
|
||||||
|
printf("Host Name: %s\n", fi->HostName);
|
||||||
|
printf("Domain Name: %s\n", fi->DomainName);
|
||||||
|
printf("DNS Servers:\n" " %s (primary)\n", fi->DnsServerList.IpAddress.String);
|
||||||
|
}
|
||||||
|
if(strlen(fi->DnsServerList.IpAddress.String) > 0 &&
|
||||||
|
inet_addr(fi->DnsServerList.IpAddress.String) != INADDR_NONE && left > ip_size)
|
||||||
|
{
|
||||||
|
ret += sprintf(ret, "%s,", fi->DnsServerList.IpAddress.String);
|
||||||
|
left -= ret - ret_buf;
|
||||||
|
count++;
|
||||||
|
}
|
||||||
|
|
||||||
|
for(i = 0, ipAddr = fi->DnsServerList.Next; ipAddr && left > ip_size;
|
||||||
|
ipAddr = ipAddr->Next, i++)
|
||||||
|
{
|
||||||
|
if(inet_addr(ipAddr->IpAddress.String) != INADDR_NONE)
|
||||||
|
{
|
||||||
|
ret += sprintf(ret, "%s,", ipAddr->IpAddress.String);
|
||||||
|
left -= ret - ret_buf;
|
||||||
|
count++;
|
||||||
|
}
|
||||||
|
if(debug)
|
||||||
|
printf(" %s (secondary %d)\n", ipAddr->IpAddress.String, i + 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
quit:
|
||||||
|
if(handle)
|
||||||
|
FreeLibrary(handle);
|
||||||
|
|
||||||
|
if(debug && left <= ip_size)
|
||||||
|
printf("Too many nameservers. Truncating to %d addressess", count);
|
||||||
|
if(ret > ret_buf)
|
||||||
|
ret[-1] = '\0';
|
||||||
|
return (count);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Warning: returns a dynamically allocated buffer, the user MUST
|
||||||
|
* use free() / rb_free() if the function returns 1
|
||||||
|
*/
|
||||||
|
static int
|
||||||
|
get_res_nt(HKEY hKey, const char *subkey, char **obuf)
|
||||||
|
{
|
||||||
|
/* Test for the size we need */
|
||||||
|
DWORD size = 0;
|
||||||
|
int result;
|
||||||
|
|
||||||
|
result = RegQueryValueEx(hKey, subkey, 0, NULL, NULL, &size);
|
||||||
|
if((result != ERROR_SUCCESS && result != ERROR_MORE_DATA) || !size)
|
||||||
|
return 0;
|
||||||
|
*obuf = rb_malloc(size + 1);
|
||||||
|
if(!*obuf)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
if(RegQueryValueEx(hKey, subkey, 0, NULL, (LPBYTE) * obuf, &size) != ERROR_SUCCESS)
|
||||||
|
{
|
||||||
|
rb_free(*obuf);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
if(size == 1)
|
||||||
|
{
|
||||||
|
rb_free(*obuf);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
get_res_interfaces_nt(HKEY hKey, const char *subkey, char **obuf)
|
||||||
|
{
|
||||||
|
char enumbuf[39]; /* GUIDs are 38 chars + 1 for NULL */
|
||||||
|
DWORD enum_size = 39;
|
||||||
|
int idx = 0;
|
||||||
|
HKEY hVal;
|
||||||
|
|
||||||
|
while(RegEnumKeyEx(hKey, idx++, enumbuf, &enum_size, 0,
|
||||||
|
NULL, NULL, NULL) != ERROR_NO_MORE_ITEMS)
|
||||||
|
{
|
||||||
|
int rc;
|
||||||
|
|
||||||
|
enum_size = 39;
|
||||||
|
if(RegOpenKeyEx(hKey, enumbuf, 0, KEY_QUERY_VALUE, &hVal) != ERROR_SUCCESS)
|
||||||
|
continue;
|
||||||
|
rc = get_res_nt(hVal, subkey, obuf);
|
||||||
|
RegCloseKey(hVal);
|
||||||
|
if(rc)
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
const char *
|
||||||
|
get_windows_nameservers(void)
|
||||||
|
{
|
||||||
|
/*
|
||||||
|
NameServer info via IPHLPAPI (IP helper API):
|
||||||
|
GetNetworkParams() should be the trusted source for this.
|
||||||
|
Available in Win-98/2000 and later. If that fail, fall-back to
|
||||||
|
registry information.
|
||||||
|
|
||||||
|
NameServer Registry:
|
||||||
|
|
||||||
|
On Windows 9X, the DNS server can be found in:
|
||||||
|
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\MSTCP\NameServer
|
||||||
|
|
||||||
|
On Windows NT/2000/XP/2003:
|
||||||
|
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\NameServer
|
||||||
|
or
|
||||||
|
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\DhcpNameServer
|
||||||
|
or
|
||||||
|
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\{AdapterID}\
|
||||||
|
NameServer
|
||||||
|
or
|
||||||
|
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\{AdapterID}\
|
||||||
|
DhcpNameServer
|
||||||
|
*/
|
||||||
|
static char namelist[512];
|
||||||
|
HKEY mykey;
|
||||||
|
HKEY subkey;
|
||||||
|
DWORD data_type;
|
||||||
|
DWORD bytes;
|
||||||
|
DWORD result;
|
||||||
|
char *line = NULL;
|
||||||
|
memset(&namelist, 0, sizeof(namelist));
|
||||||
|
if(get_iphlpapi_dns_info(namelist, sizeof(namelist)) > 0)
|
||||||
|
{
|
||||||
|
return namelist;
|
||||||
|
}
|
||||||
|
|
||||||
|
if(IS_NT())
|
||||||
|
{
|
||||||
|
if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, WIN_NS_NT_KEY, 0,
|
||||||
|
KEY_READ, &mykey) == ERROR_SUCCESS)
|
||||||
|
{
|
||||||
|
RegOpenKeyEx(mykey, "Interfaces", 0,
|
||||||
|
KEY_QUERY_VALUE | KEY_ENUMERATE_SUB_KEYS, &subkey);
|
||||||
|
if(get_res_nt(mykey, NAMESERVER, &line))
|
||||||
|
{
|
||||||
|
rb_strlcpy(namelist, line, sizeof(namelist));
|
||||||
|
return namelist;
|
||||||
|
}
|
||||||
|
else if(get_res_nt(mykey, DHCPNAMESERVER, &line))
|
||||||
|
{
|
||||||
|
rb_strlcpy(namelist, line, sizeof(namelist));
|
||||||
|
rb_free(line);
|
||||||
|
}
|
||||||
|
/* Try the interfaces */
|
||||||
|
else if(get_res_interfaces_nt(subkey, NAMESERVER, &line))
|
||||||
|
{
|
||||||
|
rb_strlcpy(namelist, line, sizeof(namelist));
|
||||||
|
rb_free(line);
|
||||||
|
}
|
||||||
|
else if(get_res_interfaces_nt(subkey, DHCPNAMESERVER, &line))
|
||||||
|
{
|
||||||
|
rb_strlcpy(namelist, line, sizeof(namelist));
|
||||||
|
rb_free(line);
|
||||||
|
}
|
||||||
|
RegCloseKey(subkey);
|
||||||
|
RegCloseKey(mykey);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, WIN_NS_9X, 0,
|
||||||
|
KEY_READ, &mykey) == ERROR_SUCCESS)
|
||||||
|
{
|
||||||
|
if((result = RegQueryValueEx(mykey, NAMESERVER, NULL, &data_type,
|
||||||
|
NULL, &bytes)) == ERROR_SUCCESS ||
|
||||||
|
result == ERROR_MORE_DATA)
|
||||||
|
{
|
||||||
|
if(bytes)
|
||||||
|
{
|
||||||
|
line = (char *)rb_malloc(bytes + 1);
|
||||||
|
if(RegQueryValueEx(mykey, NAMESERVER, NULL, &data_type,
|
||||||
|
(unsigned char *)line, &bytes) ==
|
||||||
|
ERROR_SUCCESS)
|
||||||
|
{
|
||||||
|
rb_strlcpy(namelist, line, sizeof(namelist));
|
||||||
|
}
|
||||||
|
free(line);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
RegCloseKey(mykey);
|
||||||
|
}
|
||||||
|
if(strlen(namelist) > 0)
|
||||||
|
return namelist;
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -92,7 +92,6 @@ typedef bool _Bool;
|
||||||
#include <stdio.h>
|
#include <stdio.h>
|
||||||
#include <time.h>
|
#include <time.h>
|
||||||
#include <fcntl.h>
|
#include <fcntl.h>
|
||||||
#include <netdb.h>
|
|
||||||
#include <stdarg.h>
|
#include <stdarg.h>
|
||||||
#include <signal.h>
|
#include <signal.h>
|
||||||
#include <dirent.h>
|
#include <dirent.h>
|
||||||
|
|
@ -112,7 +111,6 @@ typedef bool _Bool;
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
|
||||||
#include <sys/socket.h>
|
|
||||||
#include <sys/stat.h>
|
#include <sys/stat.h>
|
||||||
#include <sys/wait.h>
|
#include <sys/wait.h>
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue