/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "prio.h"
#include "prenv.h"
#include "prmem.h"
#include "prlink.h"
#include "prsystem.h"
#include "prnetdb.h"
#include "prprf.h"
#include "prvrsion.h"
#include "plerror.h"
#include "plgetopt.h"
#include "obsolete/probslet.h"
#include <string.h>
#define DNS_BUFFER 100
#define ADDR_BUFFER 100
#define HOST_BUFFER 1024
#define PROTO_BUFFER 1500
#define NETADDR_SIZE(addr) \
(PR_AF_INET == (addr)->raw.family ?
sizeof((addr)->inet) \
:
sizeof((addr)->ipv6))
static PRFileDesc* err = NULL;
static void Help(
void) {
PR_fprintf(err,
"Usage: [-V] [-h]\n");
PR_fprintf(err,
"\t Name of host to lookup (default: self)\n");
PR_fprintf(err,
"\t-V Display runtime version info (default: FALSE)\n");
PR_fprintf(err,
"\t-h This message and nothing else\n");
}
/* Help */
static void DumpAddr(
const PRNetAddr* address,
const char* msg) {
PRUint32* word = (PRUint32*)address;
PRUint32 addr_len =
sizeof(PRNetAddr);
PR_fprintf(err,
"%s[%d]\t", msg, NETADDR_SIZE(address));
while (addr_len > 0) {
PR_fprintf(err,
" %08x", *word++);
addr_len -=
sizeof(PRUint32);
}
PR_fprintf(err,
"\n");
}
/* DumpAddr */
static PRStatus PrintAddress(
const PRNetAddr* address) {
PRNetAddr translation;
char buffer[ADDR_BUFFER];
PRStatus rv = PR_NetAddrToString(address, buffer,
sizeof(buffer));
if (PR_FAILURE == rv) {
PL_FPrintError(err,
"PR_NetAddrToString");
}
else {
PR_fprintf(err,
"\t%s\n", buffer);
memset(&translation, 0,
sizeof(translation));
rv = PR_StringToNetAddr(buffer, &translation);
if (PR_FAILURE == rv) {
PL_FPrintError(err,
"PR_StringToNetAddr");
}
else {
PRSize addr_len = NETADDR_SIZE(address);
if (0 != memcmp(address, &translation, addr_len)) {
PR_fprintf(err,
"Address translations do not match\n");
DumpAddr(address,
"original");
DumpAddr(&translation,
"translate");
rv = PR_FAILURE;
}
}
}
return rv;
}
/* PrintAddress */
int main(
int argc,
char** argv) {
PRStatus rv;
PLOptStatus os;
PRHostEnt host;
PRProtoEnt proto;
const char* name = NULL;
PRBool failed = PR_FALSE, version = PR_FALSE;
PLOptState* opt = PL_CreateOptState(argc, argv,
"Vh");
err = PR_GetSpecialFD(PR_StandardError);
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) {
if (PL_OPT_BAD == os) {
continue;
}
switch (opt->option) {
case 0:
/* Name of host to lookup */
name = opt->value;
break;
case 'V':
/* Do version discovery */
version = PR_TRUE;
break;
case 'h':
/* user wants some guidance */
default:
Help();
/* so give him an earful */
return 2;
/* but not a lot else */
}
}
PL_DestroyOptState(opt);
if (version) {
#if defined(WINNT)
# define NSPR_LIB
"libnspr4"
#else
# define NSPR_LIB
"nspr4"
#endif
const PRVersionDescription* version_info;
char* nspr_path = PR_GetEnv(
"LD_LIBRARY_PATH");
char* nspr_name = PR_GetLibraryName(nspr_path, NSPR_LIB);
PRLibrary* runtime = PR_LoadLibrary(nspr_name);
if (NULL == runtime) {
PL_FPrintError(err,
"PR_LoadLibrary");
}
else {
versionEntryPointType versionPoint =
(versionEntryPointType)PR_FindSymbol(runtime,
"libVersionPoint");
if (NULL == versionPoint) {
PL_FPrintError(err,
"PR_FindSymbol");
}
else {
char buffer[100];
PRExplodedTime exploded;
version_info = versionPoint();
(
void)PR_fprintf(err,
"Runtime library version information\n");
PR_ExplodeTime(version_info->buildTime, PR_GMTParameters, &exploded);
(
void)PR_FormatTime(buffer,
sizeof(buffer),
"%d %b %Y %H:%M:%S",
&exploded);
(
void)PR_fprintf(err,
" Build time: %s GMT\n", buffer);
(
void)PR_fprintf(err,
" Build time: %s\n",
version_info->buildTimeString);
(
void)PR_fprintf(err,
" %s V%u.%u.%u (%s%s%s)\n",
version_info->description, version_info->vMajor,
version_info->vMinor, version_info->vPatch,
(version_info->beta ?
" beta " :
""),
(version_info->debug ?
" debug " :
""),
(version_info->special ?
" special" :
""));
(
void)PR_fprintf(err,
" filename: %s\n", version_info->filename);
(
void)PR_fprintf(err,
" security: %s\n", version_info->security);
(
void)PR_fprintf(err,
" copyright: %s\n", version_info->copyright);
(
void)PR_fprintf(err,
" comment: %s\n", version_info->comment);
}
}
if (NULL != nspr_name) {
PR_FreeLibraryName(nspr_name);
}
}
{
if (NULL == name) {
char* me = (
char*)PR_MALLOC(DNS_BUFFER);
rv = PR_GetSystemInfo(PR_SI_HOSTNAME, me, DNS_BUFFER);
if (PR_FAILURE == rv) {
failed = PR_TRUE;
PL_FPrintError(err,
"PR_GetSystemInfo");
return 2;
}
name = me;
/* just leak the storage */
}
}
{
char buffer[HOST_BUFFER];
PR_fprintf(err,
"Translating the name %s ...", name);
rv = PR_GetHostByName(name, buffer,
sizeof(buffer), &host);
if (PR_FAILURE == rv) {
failed = PR_TRUE;
PL_FPrintError(err,
"PR_GetHostByName");
}
else {
PRIntn index = 0;
PRNetAddr address;
memset(&address, 0,
sizeof(PRNetAddr));
PR_fprintf(err,
"success .. enumerating results\n");
do {
index = PR_EnumerateHostEnt(index, &host, 0, &address);
if (index > 0) {
PrintAddress(&address);
}
else if (-1 == index) {
failed = PR_TRUE;
PL_FPrintError(err,
"PR_EnumerateHostEnt");
}
}
while (index > 0);
}
}
{
char buffer[PROTO_BUFFER];
/*
** Get Proto by name/number
*/
rv = PR_GetProtoByName(
"tcp", &buffer[1],
sizeof(buffer) - 1, &proto);
rv = PR_GetProtoByNumber(6, &buffer[3],
sizeof(buffer) - 3, &proto);
}
return (failed) ? 1 : 0;
}