pegasus/src/Pegasus/Common/SystemUnix.cpp - diff

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Diff for /pegasus/src/Pegasus/Common/SystemUnix.cpp between version 1.20.2.11 and 1.49

version 1.20.2.11, 2001/12/01 02:48:19

version 1.49, 2002/09/05 17:58:10

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//%/////////////////////////////////////////////////////////////////////////////

// The Open Group, Tivoli Systems

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to

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// Author: Mike Brasher (mbrasher@bmc.com)

// Modified By: Ben Heilbronn (ben_heilbronn@hp.com)

// Sushma Fernandes (sushma_fernandes@hp.com)

// Nag Boranna (nagaraja_boranna@hp.com)

//%/////////////////////////////////////////////////////////////////////////////

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# include <dl.h>

#elif defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM)

# include <dll.h>

#elif defined(PEGASUS_PLATFORM_OS400_ISERIES_IBM)

# include <fcntl.h>

# include <mih/rslvsp.h> /* rslvsp() */

# include <mih/micommon.h> /* _AUTH_EXECUTE */

# include <mih/miobjtyp.h> /* WLI_SRVPGM */

# include <pointer.h> /* _SYSPTR */

# include <qusec.h> /* Qus_EC_t */

# include <qleawi.h> /* QleActBndPgm(),QleGetExp() */

# include <unistd.cleinc>

#else

# include <dlfcn.h>

#endif

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#include <unistd.h>

#include <dirent.h>

#include <pwd.h>

#if !defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) && !defined(PEGASUS_PLATFORM_OS400_ISERIES_IBM)

#include <crypt.h>

#include "System.h"

#endif

#include <sys/stat.h>

#include <sys/types.h>

#include <cstdio>

#include <time.h>

#include <sys/time.h>

#include <netdb.h>

#include "System.h"

#include <Pegasus/Common/Tracer.h>

#include <Pegasus/Common/Destroyer.h>

#ifdef PEGASUS_PLATFORM_LINUX_IX86_GNU

#include <Pegasus/Common/InternalException.h>

#include <pwd.h>

#endif

PEGASUS_NAMESPACE_BEGIN

#include <sys/time.h>

#if defined(PEGASUS_OS_HPUX)

#include <unistd.h>

Boolean System::bindVerbose = false;

#endif

#if defined(PEGASUS_OS_OS400)

char os400ExceptionID[8] = {0};

#endif

inline void sleep_wrapper(Uint32 seconds)

{

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{

timeval tv;

gettimeofday(&tv, 0);

seconds = int(tv.tv_sec);

seconds = Uint32(tv.tv_sec);

milliseconds = int(tv.tv_usec) / 1000;

milliseconds = Uint32(tv.tv_usec) / 1000;

}

String System::getCurrentASCIITime()

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time_t rawTime;

time(&rawTime);

strftime(str, 40,"%T-%D", localtime(&rawTime));

strftime(str, 40,"%m/%d/%Y-%T", localtime(&rawTime));

String time = str;

return time;

}

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DynamicLibraryHandle System::loadDynamicLibrary(const char* fileName)

{

const char METHOD_NAME[] = "System::loadDynamicLibrary()";

PEG_METHOD_ENTER(TRC_OS_ABSTRACTION, "System::loadDynamicLibrary()");

PEG_FUNC_ENTER(TRC_OS_ABSTRACTION, METHOD_NAME);

Tracer::trace(TRC_OS_ABSTRACTION, Tracer::LEVEL2,

"Attempting to load library %s", fileName);

#if defined(PEGASUS_OS_HPUX)

void* handle = shl_load(fileName, BIND_IMMEDIATE | DYNAMIC_PATH, 0L);

void* handle;

if (bindVerbose)

{

handle = shl_load(fileName,

BIND_IMMEDIATE | DYNAMIC_PATH | BIND_VERBOSE, 0L);

}

else

{

handle = shl_load(fileName, BIND_IMMEDIATE | DYNAMIC_PATH, 0L);

}

Tracer::trace(TRC_OS_ABSTRACTION, Tracer::LEVEL2,

"After loading lib %s, error code is %d", fileName, errno);

"After loading lib %s, error code is %d", fileName,

(handle == (void *)0)?errno:0);

PEG_FUNC_EXIT(TRC_OS_ABSTRACTION, METHOD_NAME);

PEG_METHOD_EXIT();

return DynamicLibraryHandle(handle);

#elif defined(PEGASUS_OS_TRU64)

PEG_FUNC_EXIT(TRC_OS_ABSTRACTION, METHOD_NAME);

PEG_METHOD_EXIT();

return DynamicLibraryHandle(dlopen(fileName, RTLD_NOW));

#elif defined(PEGASUS_OS_ZOS)

PEG_FUNC_EXIT(TRC_OS_ABSTRACTION, METHOD_NAME);

PEG_METHOD_EXIT();

return DynamicLibraryHandle(dllload(fileName));

#elif defined(PEGASUS_OS_OS400)

// Activate the service program.

// Parse out the library and srvpgm names.

// Note: the fileName passed in must be in OS/400 form - library/srvpgm

if (fileName == NULL || strlen(fileName) == 0 || strlen(fileName) >= 200)

return 0;

// More checking here!

char name[200];

strcpy(name, fileName);

char* lib = strtok(name, "/");

if (lib == NULL || strlen(lib) == 0)

return 0;

char* srvpgm = strtok(NULL,"/");

if (srvpgm == NULL || strlen(srvpgm) == 0)

return 0;

/*----------------------------------------------------------------*/

/* Resolve to the service program */

/*----------------------------------------------------------------*/

_OBJ_TYPE_T objectType = WLI_SRVPGM;

_SYSPTR sysP = rslvsp(objectType, srvpgm, lib, _AUTH_NONE);

/*----------------------------------------------------------------*/

/* Activate the service program */

/*----------------------------------------------------------------*/

Qle_ABP_Info_t activationInfo;

int actInfoLen = sizeof(activationInfo);

int hdl;

Qus_EC_t os400ErrorCode = {0};

os400ErrorCode.Bytes_Provided = sizeof(Qus_EC_t);

os400ErrorCode.Bytes_Available = 0;

QleActBndPgm(&sysP,

&hdl,

&activationInfo,

&actInfoLen,

&os400ErrorCode);

if (os400ErrorCode.Bytes_Available)

{

// Got an error.

memset(os400ExceptionID, '\0', 8);

strncpy(os400ExceptionID, os400ErrorCode.Exception_Id, 7);

Tracer::trace(TRC_OS_ABSTRACTION, Tracer::LEVEL2,

"Error activating service program. Exception Id = %s", os400ExceptionID);

return 0;

}

PEG_METHOD_EXIT();

return DynamicLibraryHandle(hdl);

#else

PEG_FUNC_EXIT(TRC_OS_ABSTRACTION, METHOD_NAME);

PEG_METHOD_EXIT();

return DynamicLibraryHandle(dlopen(fileName, RTLD_NOW | RTLD_GLOBAL));

#endif

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#ifdef PEGASUS_OS_HPUX

// Note: shl_unload will unload the library even if it has been loaded

// multiple times. No reference count is kept.

int ignored = shl_unload(shl_t(libraryHandle));

int ignored = shl_unload(reinterpret_cast<shl_t>(libraryHandle));

#endif

}

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return String();

#elif defined(PEGASUS_OS_ZOS)

return String();

#elif defined(PEGASUS_OS_OS400)

return String(os400ExceptionID);

#else

String dlerr = dlerror();

return dlerr;

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char* p = (char*)symbolName;

void* proc = 0;

if (shl_findsym((shl_t*)&libraryHandle, p, TYPE_UNDEFINED, &proc) == 0)

if (shl_findsym((shl_t*)&libraryHandle, symbolName, TYPE_UNDEFINED,

&proc) == 0)

{

return DynamicSymbolHandle(proc);

}

p = strcpy(new char[strlen(symbolName) + 2], symbolName);

if (shl_findsym((shl_t*)libraryHandle,

strcpy(p, "_");

(String("_") + symbolName).getCString(),

strcat(p, symbolName);

TYPE_UNDEFINED,

&proc) == 0)

if (shl_findsym((shl_t*)libraryHandle, p, TYPE_UNDEFINED, &proc) == 0)

{

delete [] p;

return DynamicSymbolHandle(proc);

}

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#elif defined(PEGASUS_OS_ZOS)

return DynamicSymbolHandle(dllqueryfn((dllhandle *)libraryHandle,

(char*)symbolName));

#elif defined(PEGASUS_OS_OS400)

/*----------------------------------------------------------------*/

/* Get procedure pointer and return it to caller */

/*----------------------------------------------------------------*/

Qus_EC_t os400ErrorCode = {0};

os400ErrorCode.Bytes_Provided = sizeof(Qus_EC_t);

os400ErrorCode.Bytes_Available = 0;

int exportType;

int hdl = (int)libraryHandle;

void * procAddress = NULL;

QleGetExp(&hdl,

(char *)symbolName,

&procAddress,

&exportType,

&os400ErrorCode);

if (os400ErrorCode.Bytes_Available)

{

// Got an error.

memset(os400ExceptionID, '\0', 8);

strncpy(os400ExceptionID, os400ErrorCode.Exception_Id, 7);

Tracer::trace(TRC_OS_ABSTRACTION, Tracer::LEVEL2,

"Error getting export. Exception Id = %s", os400ExceptionID);

return 0;

}

return DynamicSymbolHandle(procAddress);

#else

return DynamicSymbolHandle(dlsym(libraryHandle, (char*)symbolName));

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if (!*hostname)

gethostname(hostname, sizeof(hostname));

// (temporary?) fix for problem of object path creation with

// fully-qualified hostname

char *dot = strchr(hostname, '.');

if (dot != NULL) *dot = '\0';

return hostname;

}

String System::getFullyQualifiedHostName ()

{

#ifdef PEGASUS_OS_HPUX

char hostName [MAXHOSTNAMELEN];

struct hostent *he;

String fqName;

if (gethostname (hostName, MAXHOSTNAMELEN) != 0)

{

return String::EMPTY;

}

if (he = gethostbyname (hostName))

{

strcpy (hostName, he->h_name);

}

fqName.assign (hostName);

return fqName;

#else

// ATTN: Implement this method to return the fully qualified host name

return String::EMPTY;

#endif

}

String System::getSystemCreationClassName ()

{

#ifdef PEGASUS_OS_HPUX

return "CIM_ComputerSystem";

#else

// ATTN: Implement this method to return the system creation class name

return String::EMPTY;

#endif

}

Uint32 System::lookupPort(

const char * serviceName,

Uint32 defaultPort)

{

Uint32 localPort;

struct servent *serv;

// Get wbem-local port from /etc/services

#if !defined(PEGASUS_OS_OS400)

if ( (serv = getservbyname(serviceName, TCP)) != NULL )

#else

// Need to cast on OS/400

if ( (serv = getservbyname((char *)serviceName, TCP)) != NULL )

#endif

{

#ifndef PEGASUS_PLATFORM_LINUX_IX86_GNU

localPort = serv->s_port;

#else

localPort = htons((uint16_t)serv->s_port);

#endif

}

else

{

localPort = defaultPort;

}

return localPort;

}

String System::getPassword(const char* prompt)

{

String password;

#if !defined(PEGASUS_OS_OS400)

// Not supported on OS/400, and we don't need it.

password = String(getpass( prompt ));

#endif

return password;

}

String System::getCurrentLoginName()

String System::getEffectiveUserName()

{

String userName = String::EMPTY;

struct passwd* pwd = NULL;

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// get the currently logged in user's UID.

pwd = getpwuid(getuid());

pwd = getpwuid(geteuid());

if ( pwd == NULL )

{

//ATTN: Log a message

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String System::encryptPassword(const char* password, const char* salt)

{

#if !defined(PEGASUS_OS_OS400)

return ( String(crypt( password,salt)) );

#else

// Not supported on OS400, and we don't need it.

return ( String(password) );

#endif

}

Boolean System::isSystemUser(char* userName)

Boolean System::isSystemUser(const char* userName)

{

// get the password entry for the user

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return true;

}

Boolean System::isPrivilegedUser()

Boolean System::isPrivilegedUser(const String userName)

{

// Get the effective UID for the user

// Check if the given user is a privileged user

if ( geteuid() != 0 )

struct passwd pwd;

struct passwd *result;

char pwdBuffer[1024];

if (getpwnam_r(userName.getCString(), &pwd, pwdBuffer, 1024, &result) == 0)

{

if ( pwd.pw_uid == 0 )

{

return true;

}

return false;

}

return true;

String System::getPrivilegedUserName()

{

static String userName = String::EMPTY;

if (userName == String::EMPTY)

{

struct passwd* pwd = NULL;

// get the privileged user's UID.

pwd = getpwuid(0);

if ( pwd != NULL )

{

// get the user name

userName.assign(pwd->pw_name);

}

else

{

PEGASUS_ASSERT(0);

}

return (userName);

}

Uint32 System::getPID()

{

// Get the Process ID

Uint32 pid = getpid();

return pid;

}

Boolean System::truncateFile(

const char* path,

size_t newSize)

{

#if !defined(PEGASUS_OS_OS400)

return (truncate(path, newSize) == 0);

#else

int fd = open(path, O_WRONLY);

if (fd != -1)

{

int rc = ftruncate(fd, newSize);

close(fd);

return (rc == 0);

}

return false;

#endif

}

PEGASUS_NAMESPACE_END

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Removed from v.1.20.2.11
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	Added in v.1.49

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