2
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5
* Redistribution and use in source and binary forms, with or without
6
* modification, are permitted provided that the following conditions
8
* 1. Redistributions of source code must retain the above copyright
9
* notice, this list of conditions and the following disclaimer.
10
* 2. Redistributions in binary form must reproduce the above copyright
11
* notice, this list of conditions and the following disclaimer in the
12
* documentation and/or other materials provided with the distribution.
13
* 3. Neither the name of the project nor the names of its contributors
14
* may be used to endorse or promote products derived from this software
15
* without specific prior written permission.
17
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
18
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20
* 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
22
* 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)
24
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31
* Copyright (c) 1982, 1986, 1990, 1993
32
* The Regents of the University of California. All rights reserved.
34
* Redistribution and use in source and binary forms, with or without
35
* modification, are permitted provided that the following conditions
37
* 1. Redistributions of source code must retain the above copyright
38
* notice, this list of conditions and the following disclaimer.
39
* 2. Redistributions in binary form must reproduce the above copyright
40
* notice, this list of conditions and the following disclaimer in the
41
* documentation and/or other materials provided with the distribution.
42
* 3. All advertising materials mentioning features or use of this software
43
* must display the following acknowledgement:
44
* This product includes software developed by the University of
45
* California, Berkeley and its contributors.
46
* 4. Neither the name of the University nor the names of its contributors
47
* may be used to endorse or promote products derived from this software
48
* without specific prior written permission.
50
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
51
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
53
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
54
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
55
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
56
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
57
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
58
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
59
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
65
* Compatability shims with the rfc2553 API to simplify ntp.
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#include <sys/types.h>
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#include <sys/socket.h>
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#include "ntp_rfc2553.h"
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#include "ntp_malloc.h"
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#include "ntp_stdlib.h"
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#include "ntp_string.h"
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#ifndef ISC_PLATFORM_HAVEIPV6
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#if defined(SYS_WINNT)
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/* XXX This is the preferred way, but for some reason the SunOS compiler
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const struct in6_addr in6addr_any = IN6ADDR_ANY_INIT;
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const struct in6_addr in6addr_any;
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static char *ai_errlist[] = {
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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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static int ipv4_aton P((const char *, struct sockaddr_storage *));
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static int do_nodename P((const char *nodename, struct addrinfo *ai,
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const struct addrinfo *hints));
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getaddrinfo (const char *nodename, const char *servname,
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const struct addrinfo *hints, struct addrinfo **res)
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struct sockaddr_in *sockin;
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ai = calloc(sizeof(struct addrinfo), 1);
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if (nodename != NULL) {
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rval = do_nodename(nodename, ai, hints);
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if (nodename == NULL && hints != NULL) {
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ai->ai_addr = calloc(sizeof(struct sockaddr_storage), 1);
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if (ai->ai_addr == NULL) {
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ai->ai_family = AF_INET;
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ai->ai_addrlen = sizeof(struct sockaddr_storage);
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sockin = (struct sockaddr_in *)ai->ai_addr;
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sockin->sin_family = AF_INET;
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sockin->sin_addr.s_addr = htonl(INADDR_ANY);
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#ifdef HAVE_SA_LEN_IN_STRUCT_SOCKADDR
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ai->ai_addr->sa_len = SOCKLEN(ai->ai_addr);
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if (servname != NULL) {
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ai->ai_family = AF_INET;
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ai->ai_socktype = SOCK_DGRAM;
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if (strcmp(servname, "ntp") != 0) {
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return (EAI_SERVICE);
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sockin = (struct sockaddr_in *)ai->ai_addr;
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sockin->sin_port = htons(NTP_PORT);
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freeaddrinfo(struct addrinfo *ai)
170
if (ai->ai_canonname != NULL)
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free(ai->ai_canonname);
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if (ai->ai_addr != NULL)
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getnameinfo (const struct sockaddr *sa, u_int salen, char *host,
179
size_t hostlen, char *serv, size_t servlen, int flags)
183
if (sa->sa_family != AF_INET)
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(const char *)&((const struct sockaddr_in *)sa)->sin_addr,
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if (h_errno == TRY_AGAIN)
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strncpy(host, hp->h_name, hostlen);
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host[hostlen] = '\0';
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gai_strerror(int ecode)
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if (ecode < 0 || ecode > EAI_MAX)
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return ai_errlist[ecode];
211
const char *nodename,
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const struct addrinfo *hints)
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struct sockaddr_in *sockin;
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ai->ai_addr = calloc(sizeof(struct sockaddr_storage), 1);
219
if (ai->ai_addr == NULL)
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if (hints != NULL && hints->ai_flags & AI_NUMERICHOST) {
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if (ipv4_aton(nodename,
224
(struct sockaddr_storage *)ai->ai_addr) == 1) {
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ai->ai_family = AF_INET;
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ai->ai_addrlen = sizeof(struct sockaddr_in);
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hp = gethostbyname(nodename);
233
if (h_errno == TRY_AGAIN)
236
if (ipv4_aton(nodename,
237
(struct sockaddr_storage *)ai->ai_addr) == 1) {
238
ai->ai_family = AF_INET;
239
ai->ai_addrlen = sizeof(struct sockaddr_in);
245
ai->ai_family = hp->h_addrtype;
246
ai->ai_addrlen = sizeof(struct sockaddr);
247
sockin = (struct sockaddr_in *)ai->ai_addr;
248
memcpy(&sockin->sin_addr, hp->h_addr, hp->h_length);
249
ai->ai_addr->sa_family = hp->h_addrtype;
250
#ifdef HAVE_SA_LEN_IN_STRUCT_SOCKADDR
251
ai->ai_addr->sa_len = sizeof(struct sockaddr);
253
if (hints != NULL && hints->ai_flags & AI_CANONNAME) {
254
ai->ai_canonname = malloc(strlen(hp->h_name) + 1);
255
if (ai->ai_canonname == NULL)
257
strcpy(ai->ai_canonname, hp->h_name);
263
* ipv4_aton - return a net number (this is crude, but careful)
268
struct sockaddr_storage *saddr
275
char buf[80]; /* will core dump on really stupid stuff */
277
struct sockaddr_in *addr;
281
for (i = 0; i < 4; i++) {
283
while (isdigit((int)*cp))
291
} else if (*cp != '\0')
302
printf("ipv4_aton %s step %d buf %s temp %d netnum %lu\n",
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num, i, buf, temp, (u_long)netnum);
311
"ipv4_aton: \"%s\" invalid host number, line ignored\n",
318
* make up socket address. Clear it out for neatness.
320
memset((void *)saddr, 0, sizeof(struct sockaddr_storage));
321
addr = (struct sockaddr_in *)saddr;
322
addr->sin_family = AF_INET;
323
addr->sin_port = htons(NTP_PORT);
324
addr->sin_addr.s_addr = htonl(netnum);
327
printf("ipv4_aton given %s, got %s.\n", num, ntoa(saddr));
331
#endif /* !ISC_PLATFORM_HAVEIPV6 */
added
removed
libntp/ntp_rfc2553.c
