version 1.14.2.2, 2002/10/28 15:43:24
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version 1.53, 2007/07/10 19:59:55
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//%///////////////////////////////////////////////////////////////////////////// |
//%2006//////////////////////////////////////////////////////////////////////// |
// | // |
// Copyright (c) 2000, 2001, 2002 BMC Software, Hewlett-Packard Company, IBM, |
// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development |
// The Open Group, Tivoli Systems |
// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. |
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// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.; |
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// IBM Corp.; EMC Corporation, The Open Group. |
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// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; |
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// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. |
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// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; |
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// EMC Corporation; VERITAS Software Corporation; The Open Group. |
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// Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.; |
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// EMC Corporation; Symantec Corporation; The Open Group. |
// | // |
// Permission is hereby granted, free of charge, to any person obtaining a copy | // Permission is hereby granted, free of charge, to any person obtaining a copy |
// of this software and associated documentation files (the "Software"), to | // of this software and associated documentation files (the "Software"), to |
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// | // |
//============================================================================== | //============================================================================== |
// | // |
// Author: Mike Brasher (mbrasher@bmc.com) |
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// |
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// Modified By: Rudy Schuet (rudy.schuet@compaq.com) 11/12/01 |
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// added nsk platform support |
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// Ramnath Ravindran (Ramnath.Ravindran@compaq.com) 03/21/2002 |
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// replaced instances of "| ios::binary" with |
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// PEGASUS_OR_IOS_BINARY |
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// |
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//%///////////////////////////////////////////////////////////////////////////// | //%///////////////////////////////////////////////////////////////////////////// |
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#if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) | #if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) |
#include <Pegasus/Common/Config.h> | #include <Pegasus/Common/Config.h> |
#endif | #endif |
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#include <fstream> | #include <fstream> |
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#include <cctype> // for tolower() |
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#include <cstring> |
#include "System.h" | #include "System.h" |
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#include "Socket.h" |
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#include "Network.h" |
#include <Pegasus/Common/PegasusVersion.h> | #include <Pegasus/Common/PegasusVersion.h> |
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#include <Pegasus/Common/FileSystem.h> |
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#include <Pegasus/Common/HostAddress.h> |
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#include <Pegasus/Common/Array.h> |
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#if defined(PEGASUS_OS_TYPE_WINDOWS) | #if defined(PEGASUS_OS_TYPE_WINDOWS) |
# include "SystemWindows.cpp" | # include "SystemWindows.cpp" |
#elif defined(PEGASUS_OS_TYPE_UNIX) |
#elif defined(PEGASUS_OS_TYPE_UNIX) || defined(PEGASUS_OS_VMS) |
# include "SystemUnix.cpp" |
# include "SystemPOSIX.cpp" |
#elif defined(PEGASUS_OS_TYPE_NSK) |
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# include "SystemNsk.cpp" |
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#else | #else |
# error "Unsupported platform" | # error "Unsupported platform" |
#endif | #endif |
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PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
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Boolean System::bindVerbose = false; |
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Boolean System::copyFile(const char* fromPath, const char* toPath) | Boolean System::copyFile(const char* fromPath, const char* toPath) |
{ | { |
ifstream is(fromPath PEGASUS_IOS_BINARY); | ifstream is(fromPath PEGASUS_IOS_BINARY); |
ofstream os(toPath PEGASUS_IOS_BINARY); |
fstream os(toPath, ios::out PEGASUS_OR_IOS_BINARY); |
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char c; | char c; |
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return false; | return false; |
} | } |
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FileSystem::syncWithDirectoryUpdates(os); |
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return is.eof(); |
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} |
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static const Uint8 _toLowerTable[256] = |
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{ |
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0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07, |
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0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F, |
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0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17, |
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0x18,0x19,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F, |
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0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27, |
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0x28,0x29,0x2A,0x2B,0x2C,0x2D,0x2E,0x2F, |
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0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37, |
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0x38,0x39,0x3A,0x3B,0x3C,0x3D,0x3E,0x3F, |
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0x40,0x61,0x62,0x63,0x64,0x65,0x66,0x67, |
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0x68,0x69,0x6A,0x6B,0x6C,0x6D,0x6E,0x6F, |
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0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77, |
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0x78,0x79,0x7A,0x5B,0x5C,0x5D,0x5E,0x5F, |
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0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67, |
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0x68,0x69,0x6A,0x6B,0x6C,0x6D,0x6E,0x6F, |
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0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77, |
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0x78,0x79,0x7A,0x7B,0x7C,0x7D,0x7E,0x7F, |
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0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87, |
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0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, |
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0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97, |
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0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, |
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0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7, |
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0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, |
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0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7, |
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0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, |
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0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7, |
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0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, |
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0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7, |
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0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, |
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0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7, |
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0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, |
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0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7, |
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0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF, |
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}; |
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Sint32 System::strcasecmp(const char* s1, const char* s2) |
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{ |
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// Note: this is faster than glibc strcasecmp(). |
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Uint8* p = (Uint8*)s1; |
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Uint8* q = (Uint8*)s2; |
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int r; |
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for (;;) |
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{ |
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if ((r = _toLowerTable[p[0]] - _toLowerTable[q[0]]) || !p[0] || |
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(r = _toLowerTable[p[1]] - _toLowerTable[q[1]]) || !p[1] || |
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(r = _toLowerTable[p[2]] - _toLowerTable[q[2]]) || !p[2] || |
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(r = _toLowerTable[p[3]] - _toLowerTable[q[3]]) || !p[3]) |
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break; |
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p += 4; |
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q += 4; |
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} |
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return r; |
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} |
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// Return the just the file name from the path into basename |
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char *System::extract_file_name(const char *fullpath, char *basename) |
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{ |
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if (fullpath == NULL) |
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{ |
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basename[0] = '\0'; |
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return basename; |
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} |
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for (const char* p = fullpath + strlen(fullpath) - 1; p >= fullpath; p--) |
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{ |
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if (*p == '\\' || *p == '/') |
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{ |
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strcpy(basename, p+1); |
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return basename; |
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} |
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} |
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strcpy(basename, fullpath); |
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return basename; |
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} |
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// Return the just the path to the file name into dirname |
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char *System::extract_file_path(const char *fullpath, char *dirname) |
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{ |
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char *p; |
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char buff[4096]; |
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if (fullpath == NULL) |
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{ |
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dirname[0] = '\0'; |
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return dirname; |
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} |
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strncpy(buff, fullpath, sizeof(buff)-1); |
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buff[sizeof(buff)-1] = '\0'; |
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for (p = buff + strlen(buff); p >= buff; p--) |
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{ |
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if (*p == '\\' || *p == '/') |
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{ |
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strncpy(dirname, buff, p+1 - buff); |
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dirname[p+1 - buff] = '\0'; |
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return dirname; |
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} |
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} |
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strcpy(dirname, fullpath); |
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return dirname; |
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} |
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Boolean System::getHostIP(const String &hostName, int *af, String &hostIP) |
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{ |
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#ifdef PEGASUS_ENABLE_IPV6 |
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struct addrinfo *info, hints; |
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memset (&hints, 0, sizeof(struct addrinfo)); |
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// Check for valid IPV4 address, if found return ipv4 address |
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*af = AF_INET; |
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hints.ai_family = *af; |
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hints.ai_protocol = IPPROTO_TCP; |
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hints.ai_socktype = SOCK_STREAM; |
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if (!getaddrinfo(hostName.getCString(), 0, &hints, &info)) |
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{ |
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char ipAddress[PEGASUS_INET_ADDRSTR_LEN]; |
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HostAddress::convertBinaryToText(info->ai_family, |
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&((struct sockaddr_in*)(info->ai_addr))->sin_addr, ipAddress, |
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PEGASUS_INET_ADDRSTR_LEN); |
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hostIP = ipAddress; |
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freeaddrinfo(info); |
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return true; |
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} |
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// Check for valid IPV6 Address. |
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*af = AF_INET6; |
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hints.ai_family = *af; |
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hints.ai_protocol = IPPROTO_TCP; |
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hints.ai_socktype = SOCK_STREAM; |
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if (!getaddrinfo(hostName.getCString(), 0, &hints, &info)) |
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{ |
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char ipAddress[PEGASUS_INET6_ADDRSTR_LEN]; |
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HostAddress::convertBinaryToText(info->ai_family, |
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&((struct sockaddr_in6*)(info->ai_addr))->sin6_addr, ipAddress, |
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PEGASUS_INET6_ADDRSTR_LEN); |
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hostIP = ipAddress; |
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freeaddrinfo(info); |
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return true; |
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} |
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return false; |
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#else |
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*af = AF_INET; |
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struct hostent* hostEntry; |
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struct in_addr inaddr; |
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String ipAddress; |
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CString hostNameCString = hostName.getCString(); |
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const char* hostNamePtr = hostNameCString; |
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#if defined(PEGASUS_OS_LINUX) |
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char hostEntryBuffer[8192]; |
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struct hostent hostEntryStruct; |
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int hostEntryErrno; |
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gethostbyname_r( |
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hostNamePtr, |
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&hostEntryStruct, |
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hostEntryBuffer, |
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sizeof(hostEntryBuffer), |
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&hostEntry, |
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&hostEntryErrno); |
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#elif defined(PEGASUS_OS_SOLARIS) |
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char hostEntryBuffer[8192]; |
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struct hostent hostEntryStruct; |
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int hostEntryErrno; |
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hostEntry = gethostbyname_r( |
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(char *)hostNamePtr, |
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&hostEntryStruct, |
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hostEntryBuffer, |
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sizeof(hostEntryBuffer), |
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&hostEntryErrno); |
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#else |
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hostEntry = gethostbyname(hostNamePtr); |
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#endif |
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if (hostEntry) |
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{ |
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::memcpy( &inaddr, hostEntry->h_addr,4); |
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ipAddress = ::inet_ntoa( inaddr ); |
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} |
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hostIP = ipAddress; |
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return true; |
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#endif |
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} |
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// ------------------------------------------------------------------------ |
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// Convert a hostname into a a single host unique integer representation |
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// ------------------------------------------------------------------------ |
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Boolean System::_acquireIP(const char* hostname, int *af, void *dst) |
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{ |
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#ifdef PEGASUS_ENABLE_IPV6 |
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String ipAddress; |
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if(getHostIP(hostname, af, ipAddress)) |
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{ |
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HostAddress::convertTextToBinary(*af, ipAddress.getCString(), dst); |
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return true; |
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} |
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return false; |
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#else |
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*af = AF_INET; |
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Uint32 ip = 0xFFFFFFFF; |
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if (!hostname) return 0xFFFFFFFF; |
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//////////////////////////////////////////////////////////////////////////////// |
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// This code used to check if the first character of "hostname" was alphabetic |
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// to indicate hostname instead of IP address. But RFC 1123, section 2.1, |
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// relaxed this requirement to alphabetic character *or* digit. So bug 1462 |
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// changed the flow here to call inet_addr first to check for a valid IP |
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// address in dotted decimal notation. If it's not a valid IP address, then |
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// try to validate it as a hostname. |
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// RFC 1123 states: The host SHOULD check the string syntactically for a |
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// dotted-decimal number before looking it up in the Domain Name System. |
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// Hence the call to inet_addr() first. |
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//////////////////////////////////////////////////////////////////////////////// |
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Uint32 tmp_addr = inet_addr((char *) hostname); |
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struct hostent* hostEntry; |
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// Note: 0xFFFFFFFF is actually a valid IP address (255.255.255.255). |
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// A better solution would be to use inet_aton() or equivalent, as |
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// inet_addr() is now considered "obsolete". |
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if (tmp_addr == 0xFFFFFFFF) // if hostname is not an IP address |
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{ |
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#if defined(PEGASUS_OS_LINUX) |
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char hostEntryBuffer[8192]; |
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struct hostent hostEntryStruct; |
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int hostEntryErrno; |
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gethostbyname_r( |
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hostname, |
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&hostEntryStruct, |
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hostEntryBuffer, |
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sizeof(hostEntryBuffer), |
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&hostEntry, |
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&hostEntryErrno); |
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#elif defined(PEGASUS_OS_SOLARIS) |
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char hostEntryBuffer[8192]; |
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struct hostent hostEntryStruct; |
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int hostEntryErrno; |
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hostEntry = gethostbyname_r( |
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(char *)hostname, |
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&hostEntryStruct, |
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hostEntryBuffer, |
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sizeof(hostEntryBuffer), |
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&hostEntryErrno); |
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#elif defined(PEGASUS_OS_ZOS) |
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char hostName[PEGASUS_MAXHOSTNAMELEN + 1]; |
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if (String::equalNoCase("localhost",String(hostname))) |
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{ |
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gethostname( hostName, PEGASUS_MAXHOSTNAMELEN ); |
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hostName[sizeof(hostName)-1] = 0; |
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hostEntry = gethostbyname(hostName); |
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} |
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else |
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{ |
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hostEntry = gethostbyname((char *)hostname); |
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} |
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#else |
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hostEntry = gethostbyname((char *)hostname); |
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#endif |
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if (!hostEntry) |
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{ |
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// error, couldn't resolve the ip |
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memcpy(dst, &ip, sizeof (Uint32)); |
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return false; |
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} |
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unsigned char ip_part1,ip_part2,ip_part3,ip_part4; |
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ip_part1 = hostEntry->h_addr[0]; |
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ip_part2 = hostEntry->h_addr[1]; |
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ip_part3 = hostEntry->h_addr[2]; |
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ip_part4 = hostEntry->h_addr[3]; |
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ip = ip_part1; |
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ip = (ip << 8) + ip_part2; |
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ip = (ip << 8) + ip_part3; |
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ip = (ip << 8) + ip_part4; |
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} |
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else // else hostname *is* a dotted-decimal IP address |
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{ |
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// resolve hostaddr to a real host entry |
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// casting to (const char *) as (char *) will work as (void *) too, |
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// those it fits all platforms |
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#if defined(PEGASUS_OS_LINUX) |
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char hostEntryBuffer[8192]; |
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struct hostent hostEntryStruct; |
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int hostEntryErrno; |
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gethostbyaddr_r( |
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(const char*) &tmp_addr, |
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sizeof(tmp_addr), |
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AF_INET, |
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&hostEntryStruct, |
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hostEntryBuffer, |
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sizeof(hostEntryBuffer), |
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&hostEntry, |
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&hostEntryErrno); |
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#elif defined(PEGASUS_OS_SOLARIS) |
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char hostEntryBuffer[8192]; |
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struct hostent hostEntryStruct; |
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int hostEntryErrno; |
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hostEntry = gethostbyaddr_r( |
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(const char *) &tmp_addr, |
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sizeof(tmp_addr), |
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AF_INET, |
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&hostEntryStruct, |
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hostEntryBuffer, |
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sizeof(hostEntryBuffer), |
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&hostEntryErrno); |
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#else |
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hostEntry = |
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gethostbyaddr((const char *) &tmp_addr, sizeof(tmp_addr), AF_INET); |
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#endif |
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if (hostEntry == 0) |
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{ |
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// error, couldn't resolve the ip |
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memcpy(dst, &ip, sizeof (Uint32)); |
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return false; |
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} |
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else |
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{ |
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unsigned char ip_part1,ip_part2,ip_part3,ip_part4; |
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ip_part1 = hostEntry->h_addr[0]; |
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ip_part2 = hostEntry->h_addr[1]; |
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ip_part3 = hostEntry->h_addr[2]; |
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ip_part4 = hostEntry->h_addr[3]; |
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ip = ip_part1; |
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ip = (ip << 8) + ip_part2; |
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ip = (ip << 8) + ip_part3; |
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ip = (ip << 8) + ip_part4; |
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} |
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} |
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memcpy(dst, &ip, sizeof (Uint32)); |
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return true; |
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#endif |
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} |
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Boolean System::resolveHostNameAtDNS( |
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const char* hostname, |
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Uint32* resolvedNameIP) |
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{ |
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// ask the DNS for hostname resolution to IP address |
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// this can mean a time delay for as long as the DNS |
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// takes to answer |
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struct hostent* hostEntry; |
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#if defined(PEGASUS_OS_LINUX) |
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char hostEntryBuffer[8192]; |
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struct hostent hostEntryStruct; |
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int hostEntryErrno; |
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gethostbyname_r( |
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hostname, |
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&hostEntryStruct, |
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hostEntryBuffer, |
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sizeof(hostEntryBuffer), |
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&hostEntry, |
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&hostEntryErrno); |
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#elif defined(PEGASUS_OS_SOLARIS) |
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char hostEntryBuffer[8192]; |
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struct hostent hostEntryStruct; |
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int hostEntryErrno; |
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hostEntry = gethostbyname_r( |
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(char *)hostname, |
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&hostEntryStruct, |
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hostEntryBuffer, |
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sizeof(hostEntryBuffer), |
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&hostEntryErrno); |
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#else |
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hostEntry = gethostbyname((char *)hostname); |
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#endif |
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if (hostEntry == 0) |
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{ |
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// error, couldn't resolve the hostname to an ip address |
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return false; |
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} |
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else |
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{ |
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unsigned char ip_part1,ip_part2,ip_part3,ip_part4; |
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ip_part1 = hostEntry->h_addr[0]; |
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ip_part2 = hostEntry->h_addr[1]; |
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ip_part3 = hostEntry->h_addr[2]; |
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ip_part4 = hostEntry->h_addr[3]; |
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*resolvedNameIP = ip_part1; |
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*resolvedNameIP = (*resolvedNameIP << 8) + ip_part2; |
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*resolvedNameIP = (*resolvedNameIP << 8) + ip_part3; |
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*resolvedNameIP = (*resolvedNameIP << 8) + ip_part4; |
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} |
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return true; |
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} |
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Boolean System::resolveIPAtDNS(Uint32 ip_addr, Uint32 * resolvedIP) |
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{ |
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struct hostent *entry; |
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entry = gethostbyaddr((const char *) &ip_addr, sizeof(ip_addr), AF_INET); |
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if (entry == 0) |
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{ |
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// error, couldn't resolve the ip |
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return false; |
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} |
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else |
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{ |
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unsigned char ip_part1,ip_part2,ip_part3,ip_part4; |
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ip_part1 = entry->h_addr[0]; |
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ip_part2 = entry->h_addr[1]; |
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ip_part3 = entry->h_addr[2]; |
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ip_part4 = entry->h_addr[3]; |
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*resolvedIP = ip_part1; |
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*resolvedIP = (*resolvedIP << 8) + ip_part2; |
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*resolvedIP = (*resolvedIP << 8) + ip_part3; |
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*resolvedIP = (*resolvedIP << 8) + ip_part4; |
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} |
return true; | return true; |
} | } |
| |
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Boolean System::isLoopBack(int af, void *binIPAddress) |
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{ |
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#ifdef PEGASUS_ENABLE_IPV6 |
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struct in6_addr ip6 = PEGASUS_IPV6_LOOPBACK_INIT; |
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#endif |
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Uint32 ip4 = PEGASUS_IPV4_LOOPBACK_INIT; |
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switch (af) |
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{ |
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#ifdef PEGASUS_ENABLE_IPV6 |
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case AF_INET6: |
|
return !memcmp(&ip6, binIPAddress, sizeof (ip6)); |
|
#endif |
|
case AF_INET: |
|
Uint32 n = ntohl( *(Uint32*)binIPAddress); |
|
return !memcmp(&ip4, &n, sizeof (ip4)); |
|
} |
|
|
|
return false; |
|
} |
|
|
|
Boolean System::isLocalHost(const String &hostName) |
|
{ |
|
// Get all ip addresses on the node and compare them with the given hostname. |
|
#ifdef PEGASUS_ENABLE_IPV6 |
|
CString csName = hostName.getCString(); |
|
struct addrinfo hints, *res1, *res2, *res1root, *res2root; |
|
char localHostName[PEGASUS_MAXHOSTNAMELEN]; |
|
gethostname(localHostName, PEGASUS_MAXHOSTNAMELEN); |
|
Boolean isLocal = false; |
|
|
|
memset(&hints, 0, sizeof(hints)); |
|
hints.ai_family = AF_INET; |
|
hints.ai_socktype = SOCK_STREAM; |
|
hints.ai_protocol = IPPROTO_TCP; |
|
res1root = res2root = 0; |
|
getaddrinfo(csName, 0, &hints, &res1root); |
|
getaddrinfo(localHostName, 0, &hints, &res2root); |
|
|
|
res1 = res1root; |
|
while (res1 && !isLocal) |
|
{ |
|
if (isLoopBack(AF_INET, |
|
&((struct sockaddr_in*)res1->ai_addr)->sin_addr)) |
|
{ |
|
isLocal = true; |
|
break; |
|
} |
|
|
|
res2 = res2root; |
|
while (res2) |
|
{ |
|
if (!memcmp(&((struct sockaddr_in*)res1->ai_addr)->sin_addr, |
|
&((struct sockaddr_in*)res2->ai_addr)->sin_addr, |
|
sizeof (struct in_addr))) |
|
{ |
|
isLocal = true; |
|
break; |
|
} |
|
res2 = res2->ai_next; |
|
} |
|
res1 = res1->ai_next; |
|
} |
|
freeaddrinfo(res1root); |
|
freeaddrinfo(res2root); |
|
if (isLocal) |
|
{ |
|
return true; |
|
} |
|
|
|
hints.ai_family = AF_INET6; |
|
res1root = res2root = 0; |
|
getaddrinfo(csName, 0, &hints, &res1root); |
|
getaddrinfo(localHostName, 0, &hints, &res2root); |
|
|
|
res1 = res1root; |
|
while (res1 && !isLocal) |
|
{ |
|
if (isLoopBack(AF_INET6, |
|
&((struct sockaddr_in6*)res1->ai_addr)->sin6_addr)) |
|
{ |
|
isLocal = true; |
|
break; |
|
} |
|
|
|
res2 = res2root; |
|
while (res2) |
|
{ |
|
if (!memcmp(&((struct sockaddr_in6*)res1->ai_addr)->sin6_addr, |
|
&((struct sockaddr_in6*)res2->ai_addr)->sin6_addr, |
|
sizeof (struct in6_addr))) |
|
{ |
|
isLocal = true; |
|
break; |
|
} |
|
res2 = res2->ai_next; |
|
} |
|
res1 = res1->ai_next; |
|
} |
|
freeaddrinfo(res1root); |
|
freeaddrinfo(res2root); |
|
|
|
return isLocal; |
|
#else |
|
|
|
// differentiate between a dotted IP address given |
|
// and a real hostname given |
|
CString csName = hostName.getCString(); |
|
char cc_hostname[PEGASUS_MAXHOSTNAMELEN]; |
|
strcpy(cc_hostname, (const char*) csName); |
|
Uint32 tmp_addr = 0xFFFFFFFF; |
|
Boolean hostNameIsIPNotation; |
|
|
|
// Note: Platforms already supporting the inet_aton() |
|
// should define their platform here, |
|
// as this is the superior way to work |
|
#if defined(PEGASUS_OS_LINUX) || defined(PEGASUS_OS_AIX) |
|
|
|
struct in_addr inaddr; |
|
// if inet_aton failed(return=0), |
|
// we do not have a valip IP address (x.x.x.x) |
|
int atonSuccess = inet_aton(cc_hostname, &inaddr); |
|
if (atonSuccess == 0) hostNameIsIPNotation = false; |
|
else |
|
{ |
|
hostNameIsIPNotation = true; |
|
tmp_addr = inaddr.s_addr; |
|
} |
|
#else |
|
// Note: 0xFFFFFFFF is actually a valid IP address (255.255.255.255). |
|
// A better solution would be to use inet_aton() or equivalent, as |
|
// inet_addr() is now considered "obsolete". |
|
// Note: inet_aton() not yet supported on all Pegasus platforms |
|
tmp_addr = inet_addr((char *) cc_hostname); |
|
if (tmp_addr == 0xFFFFFFFF) hostNameIsIPNotation = false; |
|
else hostNameIsIPNotation = true; |
|
#endif |
|
|
|
if (!hostNameIsIPNotation) // if hostname is not an IP address |
|
{ |
|
// localhost ? |
|
if (String::equalNoCase(hostName,String("localhost"))) return true; |
|
char localHostName[PEGASUS_MAXHOSTNAMELEN]; |
|
CString cstringLocalHostName = System::getHostName().getCString(); |
|
strcpy(localHostName, (const char*) cstringLocalHostName); |
|
// given hostname equals what system returns as local hostname ? |
|
if (String::equalNoCase(hostName,localHostName)) return true; |
|
Uint32 hostIP; |
|
// bail out if hostname unresolveable |
|
if (!System::resolveHostNameAtDNS(cc_hostname, &hostIP)) return false; |
|
// lets see if the IP is defined on one of the network interfaces |
|
// this can help us avoid another call to DNS |
|
if (System::isIpOnNetworkInterface(hostIP)) return true; |
|
// need to check if the local hosts name is possibly |
|
// registered at the DNS with the IP address equal resolvedNameIP |
|
Uint32 localHostIP; |
|
if (!System::resolveHostNameAtDNS(localHostName, &localHostIP)) |
|
return false; |
|
if (localHostIP == hostIP) return true; |
|
} |
|
else |
|
{ // hostname is an IP address |
|
// 127.0.0.1 is always the loopback |
|
// inet_addr returns network byte order |
|
if (tmp_addr == htonl(0x7F000001)) return true; |
|
// IP defined on a local AF_INET network interface |
|
if (System::isIpOnNetworkInterface(tmp_addr)) return true; |
|
// out of luck so far, lets ask the DNS what our IP is |
|
// and check against what we got |
|
Uint32 localHostIP; |
|
if (!System::resolveHostNameAtDNS( |
|
(const char*) System::getHostName().getCString(), &localHostIP)) |
|
return false; |
|
if (localHostIP == tmp_addr) return true; |
|
// not yet, sometimes resolving the IP address we got against the DNS |
|
// can solve the problem |
|
// casting to (const char *) as (char *) will work as (void *) too, |
|
// those it fits all platforms |
|
Uint32 hostIP; |
|
if (!System::resolveIPAtDNS(tmp_addr, &hostIP)) return false; |
|
if (hostIP == localHostIP) return true; |
|
} |
|
return false; |
|
#endif |
|
} |
|
|
|
// System ID constants for Logger::put and Logger::trace |
|
const String System::CIMLISTENER = "cimlistener"; // Listener systme ID |
|
|
PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |
|
|