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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the Netscape Portable Runtime (NSPR).
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1999-2000
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

/*
 * File: gethost.c
 *
 * Description: tests various functions in prnetdb.h
 *
 * Usage: gethost [-6] [hostname]
 */

#include "prio.h"
#include "prnetdb.h"
#include "plgetopt.h"

#include <stdio.h>
#include <stdlib.h>

#define DEFAULT_HOST_NAME "mcom.com"

static void Help(void)
{
    fprintf(stderr, "Usage: gethost [-h] [hostname]\n");
    fprintf(stderr, "\t-h          help\n");
    fprintf(stderr, "\thostname    Name of host    (default: %s)\n",
            DEFAULT_HOST_NAME);
}  /* Help */

/*
 * Prints the contents of a PRHostEnt structure
 */
void PrintHostent(const PRHostEnt *he)
{
    int i;
    int j;

    printf("h_name: %s\n", he->h_name);
    for (i = 0; he->h_aliases[i]; i++) {
        printf("h_aliases[%d]: %s\n", i, he->h_aliases[i]);
    }
    printf("h_addrtype: %d\n", he->h_addrtype);
    printf("h_length: %d\n", he->h_length);
    for (i = 0; he->h_addr_list[i]; i++) {
        printf("h_addr_list[%d]: ", i);
        for (j = 0; j < he->h_length; j++) {
            if (j != 0) printf(".");
            printf("%u", (unsigned char)he->h_addr_list[i][j]);
        }
        printf("\n");
    }
}

int main(int argc, char **argv)
{
    const char *hostName = DEFAULT_HOST_NAME;
    PRHostEnt he, reversehe;
    char buf[PR_NETDB_BUF_SIZE];
    char reversebuf[PR_NETDB_BUF_SIZE];
    PRIntn idx;
    PRNetAddr addr;
    PLOptStatus os;
    PLOptState *opt = PL_CreateOptState(argc, argv, "h");

    while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) {
        if (PL_OPT_BAD == os) continue;
        switch (opt->option) {
            case 0:  /* naked */
                hostName = opt->value;
                break;
            case 'h':  /* Help message */
            default:
                Help();
                return 2;
        }
    }
    PL_DestroyOptState(opt);

    if (PR_GetHostByName(hostName, buf, sizeof(buf), &he) == PR_FAILURE) {
        fprintf(stderr, "PR_GetHostByName failed\n");
        exit(1);
    }
    PrintHostent(&he);
    idx = 0;
    while (1) {
        idx = PR_EnumerateHostEnt(idx, &he, 0, &addr);
        if (idx == -1) {
            fprintf(stderr, "PR_EnumerateHostEnt failed\n");
            exit(1);
        }
        if (idx == 0) break;  /* normal loop termination */
        printf("reverse lookup\n");
        if (PR_GetHostByAddr(&addr, reversebuf, sizeof(reversebuf),
                &reversehe) == PR_FAILURE) {
            fprintf(stderr, "PR_GetHostByAddr failed\n");
            exit(1);
        }
        PrintHostent(&reversehe);
    }

    printf("PR_GetIPNodeByName with PR_AF_INET\n");
    if (PR_GetIPNodeByName(hostName, PR_AF_INET, PR_AI_DEFAULT,
            buf, sizeof(buf), &he) == PR_FAILURE) {
        fprintf(stderr, "PR_GetIPNodeByName failed\n");
        exit(1);
    }
    PrintHostent(&he);
    printf("PR_GetIPNodeByName with PR_AF_INET6\n");
    if (PR_GetIPNodeByName(hostName, PR_AF_INET6, PR_AI_DEFAULT,
            buf, sizeof(buf), &he) == PR_FAILURE) {
        fprintf(stderr, "PR_GetIPNodeByName failed\n");
        exit(1);
    }
    PrintHostent(&he);
    idx = 0;
    printf("PR_GetHostByAddr with PR_AF_INET6\n");
    while (1) {
        idx = PR_EnumerateHostEnt(idx, &he, 0, &addr);
        if (idx == -1) {
            fprintf(stderr, "PR_EnumerateHostEnt failed\n");
            exit(1);
        }
        if (idx == 0) break;  /* normal loop termination */
        printf("reverse lookup\n");
        if (PR_GetHostByAddr(&addr, reversebuf, sizeof(reversebuf),
                &reversehe) == PR_FAILURE) {
            fprintf(stderr, "PR_GetHostByAddr failed\n");
            exit(1);
        }
        PrintHostent(&reversehe);
    }
    printf("PR_GetHostByAddr with PR_AF_INET6 done\n");
  
    PR_StringToNetAddr("::1", &addr);
    if (PR_IsNetAddrType(&addr, PR_IpAddrV4Mapped) == PR_TRUE) {
        fprintf(stderr, "addr should not be ipv4 mapped address\n");
        exit(1);
    }
    if (PR_IsNetAddrType(&addr, PR_IpAddrLoopback) == PR_FALSE) {
        fprintf(stderr, "addr should be loopback address\n");
        exit(1);
    }

    PR_StringToNetAddr("127.0.0.1", &addr);
    if (PR_IsNetAddrType(&addr, PR_IpAddrLoopback) == PR_FALSE) {
        fprintf(stderr, "addr should be loopback address\n");
        exit(1);
    }
    PR_StringToNetAddr("::FFFF:127.0.0.1", &addr);
    if (PR_IsNetAddrType(&addr, PR_IpAddrV4Mapped) == PR_FALSE) {
        fprintf(stderr, "addr should be ipv4 mapped address\n");
        exit(1);
    }
    if (PR_IsNetAddrType(&addr, PR_IpAddrLoopback) == PR_FALSE) {
        fprintf(stderr, "addr should be loopback address\n");
        exit(1);
    }

    if (PR_InitializeNetAddr(PR_IpAddrAny, 0, &addr) == PR_FAILURE) {
        fprintf(stderr, "PR_InitializeNetAddr failed\n");
        exit(1);
    }
    if (PR_IsNetAddrType(&addr, PR_IpAddrAny) == PR_FALSE) {
        fprintf(stderr, "addr should be unspecified address\n");
        exit(1);
    }
    if (PR_InitializeNetAddr(PR_IpAddrLoopback, 0, &addr) == PR_FAILURE) {
        fprintf(stderr, "PR_InitializeNetAddr failed\n");
        exit(1);
    }
    if (PR_IsNetAddrType(&addr, PR_IpAddrLoopback) == PR_FALSE) {
        fprintf(stderr, "addr should be loopback address\n");
        exit(1);
    }

    if (PR_SetNetAddr(PR_IpAddrAny, PR_AF_INET, 0, &addr) == PR_FAILURE) {
        fprintf(stderr, "PR_SetNetAddr failed\n");
        exit(1);
    }
    if (PR_IsNetAddrType(&addr, PR_IpAddrAny) == PR_FALSE) {
        fprintf(stderr, "addr should be unspecified address\n");
        exit(1);
    }
    if (PR_SetNetAddr(PR_IpAddrLoopback, PR_AF_INET, 0, &addr) == PR_FAILURE) {
        fprintf(stderr, "PR_SetNetAddr failed\n");
        exit(1);
    }
    if (PR_IsNetAddrType(&addr, PR_IpAddrLoopback) == PR_FALSE) {
        fprintf(stderr, "addr should be loopback address\n");
        exit(1);
    }

    addr.inet.family = PR_AF_INET;
    addr.inet.port = 0;
    addr.inet.ip = PR_htonl(PR_INADDR_ANY);
    if (PR_IsNetAddrType(&addr, PR_IpAddrAny) == PR_FALSE) {
        fprintf(stderr, "addr should be unspecified address\n");
        exit(1);
    }
	{
		char buf[256];
		PR_NetAddrToString(&addr, buf, 256);
		printf("IPv4 INADDRANY: %s\n", buf);
	}
    addr.inet.family = PR_AF_INET;
    addr.inet.port = 0;
    addr.inet.ip = PR_htonl(PR_INADDR_LOOPBACK);
    if (PR_IsNetAddrType(&addr, PR_IpAddrLoopback) == PR_FALSE) {
        fprintf(stderr, "addr should be loopback address\n");
        exit(1);
    }
	{
		char buf[256];
		PR_NetAddrToString(&addr, buf, 256);
		printf("IPv4 LOOPBACK: %s\n", buf);
	}

    if (PR_SetNetAddr(PR_IpAddrAny, PR_AF_INET6, 0, &addr) == PR_FAILURE) {
        fprintf(stderr, "PR_SetNetAddr failed\n");
        exit(1);
    }
    if (PR_IsNetAddrType(&addr, PR_IpAddrAny) == PR_FALSE) {
        fprintf(stderr, "addr should be unspecified address\n");
        exit(1);
    }
	{
		char buf[256];
		PR_NetAddrToString(&addr, buf, 256);
		printf("IPv6 INADDRANY: %s\n", buf);
	}
    if (PR_SetNetAddr(PR_IpAddrLoopback, PR_AF_INET6, 0, &addr) == PR_FAILURE) {
        fprintf(stderr, "PR_SetNetAddr failed\n");
        exit(1);
    }
    if (PR_IsNetAddrType(&addr, PR_IpAddrLoopback) == PR_FALSE) {
        fprintf(stderr, "addr should be loopback address\n");
        exit(1);
    }
	{
		char buf[256];
		PR_NetAddrToString(&addr, buf, 256);
		printf("IPv6 LOOPBACK: %s\n", buf);
	}
	{
		PRIPv6Addr v6addr;
		char tmp_buf[256];

    	PR_SetNetAddr(PR_IpAddrLoopback, PR_AF_INET, 0, &addr);

		PR_ConvertIPv4AddrToIPv6(addr.inet.ip, &v6addr);
    	PR_SetNetAddr(PR_IpAddrAny, PR_AF_INET6, 0, &addr);
		addr.ipv6.ip = v6addr;
		PR_NetAddrToString(&addr, tmp_buf, 256);
		printf("IPv4-mapped IPv6 LOOPBACK: %s\n", tmp_buf);
	}
    printf("PASS\n");
    return 0;
}