Add Socket Libraries.
Add Posix functions for porting compatibility. Fix compliance issues with ISO/IEC 9899:199409 New Functions: setenv(), fparseln(), GetFileNameFromPath(), rename(), realpath(), setprogname(), getprogname(), strlcat(), strlcpy(), strsep(), setitimer(), getitimer(), timegm(), getopt(), basename(), mkstemp(), ffs(), vsnprintf(), snprintf(), getpass(), usleep(), select(), writev(), strcasecmp(), getcwd(), chdir(), tcgetpgrp(), getpgrp(), gettimeofday(), bcopy(), git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12061 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
darylm503
225
StdLib/BsdSocketLib/gethostnamadr.c
Normal file
225
StdLib/BsdSocketLib/gethostnamadr.c
Normal file
@@ -0,0 +1,225 @@
|
||||
/*-
|
||||
* Copyright (c) 1994, Garrett Wollman
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE 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 REGENTS 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.
|
||||
*/
|
||||
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
static char sccsid[] = "@(#)$Id: gethostnamadr.c,v 1.1.1.1 2003/11/19 01:51:27 kyu3 Exp $";
|
||||
static char rcsid[] = "$Id: gethostnamadr.c,v 1.1.1.1 2003/11/19 01:51:27 kyu3 Exp $";
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/socket.h>
|
||||
#include <netinet/in.h>
|
||||
#include <arpa/inet.h>
|
||||
#include <netdb.h>
|
||||
#include <stdio.h>
|
||||
#include <ctype.h>
|
||||
#include <errno.h>
|
||||
#include <paths.h>
|
||||
#include <string.h>
|
||||
#include <arpa/nameser.h> /* XXX hack for _res */
|
||||
#include <resolv.h> /* XXX hack for _res */
|
||||
|
||||
#include "Socklib_internals.h"
|
||||
|
||||
|
||||
enum service_type {
|
||||
SERVICE_NONE = 0,
|
||||
SERVICE_BIND,
|
||||
SERVICE_HOSTS,
|
||||
SERVICE_NIS };
|
||||
#define SERVICE_MAX SERVICE_NIS
|
||||
|
||||
static struct {
|
||||
const char *name;
|
||||
enum service_type type;
|
||||
} service_names[] = {
|
||||
{ "hosts", SERVICE_HOSTS },
|
||||
{ _PATH_HOSTS, SERVICE_HOSTS },
|
||||
{ "hosttable", SERVICE_HOSTS },
|
||||
{ "htable", SERVICE_HOSTS },
|
||||
{ "bind", SERVICE_BIND },
|
||||
{ "dns", SERVICE_BIND },
|
||||
{ "domain", SERVICE_BIND },
|
||||
{ "yp", SERVICE_NIS },
|
||||
{ "yellowpages", SERVICE_NIS },
|
||||
{ "nis", SERVICE_NIS },
|
||||
{ 0, SERVICE_NONE }
|
||||
};
|
||||
|
||||
static enum service_type service_order[SERVICE_MAX + 1];
|
||||
static int service_done = 0;
|
||||
|
||||
static enum service_type
|
||||
get_service_name(const char *name) {
|
||||
int i;
|
||||
for(i = 0; service_names[i].type != SERVICE_NONE; i++) {
|
||||
if(!strcasecmp(name, service_names[i].name)) {
|
||||
return service_names[i].type;
|
||||
}
|
||||
}
|
||||
return SERVICE_NONE;
|
||||
}
|
||||
|
||||
static void
|
||||
init_services()
|
||||
{
|
||||
char *cp, *p, buf[BUFSIZ];
|
||||
register int cc = 0;
|
||||
FILE *fd;
|
||||
|
||||
if ((fd = (FILE *)fopen(_PATH_HOSTCONF, "r")) == NULL) {
|
||||
/* make some assumptions */
|
||||
service_order[0] = SERVICE_HOSTS;
|
||||
service_order[1] = SERVICE_BIND;
|
||||
service_order[2] = SERVICE_NONE;
|
||||
} else {
|
||||
while (fgets(buf, BUFSIZ, fd) != NULL && cc < SERVICE_MAX) {
|
||||
if(buf[0] == '#')
|
||||
continue;
|
||||
|
||||
p = buf;
|
||||
while ((cp = strsep(&p, "\n \t,:;")) != NULL && *cp == '\0')
|
||||
;
|
||||
if (cp == NULL)
|
||||
continue;
|
||||
do {
|
||||
if (isalpha(cp[0])) {
|
||||
service_order[cc] = get_service_name(cp);
|
||||
if(service_order[cc] != SERVICE_NONE)
|
||||
cc++;
|
||||
}
|
||||
while ((cp = strsep(&p, "\n \t,:;")) != NULL && *cp == '\0')
|
||||
;
|
||||
} while(cp != NULL && cc < SERVICE_MAX);
|
||||
}
|
||||
service_order[cc] = SERVICE_NONE;
|
||||
fclose(fd);
|
||||
}
|
||||
service_done = 1;
|
||||
}
|
||||
|
||||
struct hostent *
|
||||
gethostbyname(const char *name)
|
||||
{
|
||||
struct hostent *hp;
|
||||
|
||||
if (_res.options & RES_USE_INET6) { /* XXX */
|
||||
hp = gethostbyname2(name, AF_INET6); /* XXX */
|
||||
if (hp) /* XXX */
|
||||
return (hp); /* XXX */
|
||||
} /* XXX */
|
||||
return (gethostbyname2(name, AF_INET));
|
||||
}
|
||||
|
||||
struct hostent *
|
||||
gethostbyname2(const char *name, int type)
|
||||
{
|
||||
struct hostent *hp = 0;
|
||||
int nserv = 0;
|
||||
|
||||
if (!service_done)
|
||||
init_services();
|
||||
|
||||
while (!hp) {
|
||||
switch (service_order[nserv]) {
|
||||
case SERVICE_NONE:
|
||||
return NULL;
|
||||
case SERVICE_HOSTS:
|
||||
hp = _gethostbyhtname(name, type);
|
||||
break;
|
||||
case SERVICE_BIND:
|
||||
hp = _gethostbydnsname(name, type);
|
||||
break;
|
||||
case SERVICE_NIS:
|
||||
hp = _gethostbynisname(name, type);
|
||||
break;
|
||||
}
|
||||
nserv++;
|
||||
}
|
||||
return hp;
|
||||
}
|
||||
|
||||
struct hostent *
|
||||
gethostbyaddr(const char *addr, socklen_t len, int type)
|
||||
{
|
||||
struct hostent *hp = 0;
|
||||
int nserv = 0;
|
||||
|
||||
if (!service_done)
|
||||
init_services();
|
||||
|
||||
while (!hp) {
|
||||
switch (service_order[nserv]) {
|
||||
case SERVICE_NONE:
|
||||
return 0;
|
||||
case SERVICE_HOSTS:
|
||||
hp = _gethostbyhtaddr(addr, len, type);
|
||||
break;
|
||||
case SERVICE_BIND:
|
||||
hp = _gethostbydnsaddr(addr, len, type);
|
||||
break;
|
||||
case SERVICE_NIS:
|
||||
hp = _gethostbynisaddr(addr, len, type);
|
||||
break;
|
||||
}
|
||||
nserv++;
|
||||
}
|
||||
return hp;
|
||||
}
|
||||
|
||||
#ifdef _THREAD_SAFE
|
||||
struct hostent_data;
|
||||
|
||||
/*
|
||||
* Temporary function (not thread safe)
|
||||
*/
|
||||
int gethostbyaddr_r(const char *addr, int len, int type,
|
||||
struct hostent *result, struct hostent_data *buffer)
|
||||
{
|
||||
struct hostent *hp;
|
||||
int ret;
|
||||
if ((hp = gethostbyaddr(addr, len, type)) == NULL) {
|
||||
ret = -1;
|
||||
} else {
|
||||
memcpy(result, hp, sizeof(struct hostent));
|
||||
ret = 0;
|
||||
}
|
||||
return(ret);
|
||||
}
|
||||
#endif
|
||||
|
||||
void
|
||||
sethostent(int stayopen)
|
||||
{
|
||||
_sethosthtent(stayopen);
|
||||
_sethostdnsent(stayopen);
|
||||
}
|
||||
|
||||
void
|
||||
endhostent()
|
||||
{
|
||||
_endhosthtent();
|
||||
_endhostdnsent();
|
||||
}
|
||||
Reference in New Issue
Block a user