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

Return to Executor.cpp CVS log

Up to [Pegasus] / pegasus / src / Pegasus / Common

Diff for /pegasus/src/Pegasus/Common/Executor.cpp between version 1.9 and 1.21

version 1.9, 2007/07/24 19:42:03

version 1.21, 2008/12/01 17:49:51

Line 1

//%2006////////////////////////////////////////////////////////////////////////

//%LICENSE////////////////////////////////////////////////////////////////

// Licensed to The Open Group (TOG) under one or more contributor license

// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.

// agreements. Refer to the OpenPegasusNOTICE.txt file distributed with

// this work for additional information regarding copyright ownership.

// IBM Corp.; EMC Corporation, The Open Group.

// Each contributor licenses this file to you under the OpenPegasus Open

// Source License; you may not use this file except in compliance with the

// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.

// License.

// EMC Corporation; VERITAS Software Corporation; The Open Group.

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

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

// EMC Corporation; Symantec Corporation; The Open Group.

// to deal in the Software without restriction, including without limitation

// the rights to use, copy, modify, merge, publish, distribute, sublicense,

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

// and/or sell copies of the Software, and to permit persons to whom the

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

// Software is furnished to do so, subject to the following conditions:

// deal in the Software without restriction, including without limitation the

// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

// The above copyright notice and this permission notice shall be included

// sell copies of the Software, and to permit persons to whom the Software is

// in all copies or substantial portions of the Software.

// furnished to do so, subject to the following conditions:

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN

// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED

// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT

// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR

// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION

// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

//==============================================================================

//////////////////////////////////////////////////////////////////////////

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

Line 41

Line 39

# include <windows.h>

#else

# include <unistd.h>

# include <errno.h>

# include <sys/types.h>

# include <sys/time.h>

# include <sys/resource.h>

Line 70

Line 69

# include <Executor/PAMAuth.h>

#endif

#ifdef PEGASUS_OS_PASE

# include <as400_protos.h> // For fork400()

#endif

#ifdef PEGASUS_OS_ZOS

# include <spawn.h>

#endif

PEGASUS_NAMESPACE_BEGIN

////////////////////////////////////////////////////////////////////////////////

Line 165

Line 172

const char* path,

int mode)

{

FILE* fhandle = NULL;

switch (mode)

{

case 'r':

return fopen(path, "rb");

fhandle = fopen(path, "r");

break;

case 'w':

return fopen(path, "wb");

fhandle = fopen(path, "w");

break;

case 'a':

return fopen(path, "a+");

fhandle = fopen(path, "a+");

break;

default:

return NULL;

PEGASUS_ASSERT(fhandle);

break;

}

if(!fhandle)

{

PEG_TRACE((TRC_SERVER, Tracer::LEVEL1,

"Open of file %s in mode %c failed: %s",path,mode,

(const char*) PEGASUS_SYSTEM_ERRORMSG.getCString()));

}

return fhandle;

}

virtual int renameFile(

Line 204

Line 224

AnonymousPipe*& readPipe,

AnonymousPipe*& writePipe)

{

PEG_METHOD_ENTER(TRC_SERVER,"ExecutorLoopbackImpl::startProviderAgent");

#if !defined(PEGASUS_ENABLE_PRIVILEGE_SEPARATION)

// Resolve full path of "cimprovagt" program.

String path = FileSystem::getAbsolutePath(

pegasusHome.getCString(), PEGASUS_PROVIDER_AGENT_PROC_NAME);

// Create CString handles for cimprovagt arguments

CString agentProgramPath = path.getCString();

CString userNameCString = userName.getCString();

# if defined(PEGASUS_DISABLE_PROV_USERCTXT)

const char* setUserContextFlag = "0"; // False

# else

const char* setUserContextFlag = "1"; // True

# endif

# if defined(PEGASUS_OS_TYPE_WINDOWS)

AutoMutex autoMutex(_mutex);

Line 237

Line 275

ZeroMemory(&siStartInfo, sizeof (STARTUPINFO));

siStartInfo.cb = sizeof (STARTUPINFO);

// Build full path of "cimprovagt" program.

String path = FileSystem::getAbsolutePath(

pegasusHome.getCString(), PEGASUS_PROVIDER_AGENT_PROC_NAME);

// Format command line.

char cmdLine[2048];

sprintf(cmdLine, "\"%s\" %s %s \"%s\"",

sprintf(cmdLine, "\"%s\" %s %s %s \"%s\" \"%s\"",

(const char*)path.getCString(),

(const char*)agentProgramPath,

setUserContextFlag,

readHandle,

writeHandle,

(const char*)userNameCString,

module);

// Create provider agent proess.

Line 266

Line 301

&siStartInfo, // STARTUPINFO

&piProcInfo)) // PROCESS_INFORMATION

{

PEG_METHOD_EXIT();

return -1;

}

Line 280

Line 316

readPipe = pipeFromAgent.release();

writePipe = pipeToAgent.release();

PEG_METHOD_EXIT();

return 0;

# else /* POSIX CASE FOLLOWS */

Line 296

Line 333

int to[2];

int from[2];

char toPipeArg[32];

char fromPipeArg[32];

{

// Resolve full path of "cimprovagt".

// Create "to-agent" pipe:

String path = FileSystem::getAbsolutePath(

pegasusHome.getCString(), PEGASUS_PROVIDER_AGENT_PROC_NAME);

# if !defined(PEGASUS_DISABLE_PROV_USERCTXT)

if (pipe(to) != 0)

{

PEG_METHOD_EXIT();

return -1;

}

PEGASUS_UID_T newUid = (PEGASUS_UID_T)-1;

// Create "from-agent" pipe:

PEGASUS_GID_T newGid = (PEGASUS_GID_T)-1;

if (userName != System::getEffectiveUserName())

if (pipe(from) != 0)

{

if (!System::lookupUserId(

userName.getCString(), newUid, newGid))

{

PEG_TRACE((TRC_DISCARDED_DATA, Tracer::LEVEL2,

PEG_METHOD_EXIT();

"System::lookupUserId(%s) failed.",

(const char*)userName.getCString()));

return -1;

}

# endif /* !defined(PEGASUS_DISABLE_PROV_USERCTXT) */

// Initialize the cimprovagt pipe arguments:

// Create "to-agent" pipe:

sprintf(toPipeArg, "%d", to[0]);

sprintf(fromPipeArg, "%d", from[1]);

if (pipe(to) != 0)

// Start provider agent:

return -1;

// Create "from-agent" pipe:

# if defined(PEGASUS_OS_ZOS)

// zOS uses __spawn2() instead of fork() to start provider agent

if (pipe(from) != 0)

struct __inheritance inherit;

const char *c_argv[7];

c_argv[0] = agentProgramPath;

c_argv[1] = setUserContextFlag;

c_argv[2] = toPipeArg;

c_argv[3] = fromPipeArg;

c_argv[4] = userNameCString;

c_argv[5] = module;

c_argv[6] = NULL;

// reset the inherit structure

memset(&inherit,0,sizeof(inherit));

// The provider agent should get a defined JobName.

inherit.flags=SPAWN_SETJOBNAME;

memcpy( inherit.jobname,"CFZOOPA ",

sizeof(inherit.jobname));

PEG_TRACE((TRC_SERVER, Tracer::LEVEL4,

"Starting provider agent: %s %s %s %s %s %s %s",

(const char*)agentProgramPath,

c_argv[0],

c_argv[1],

c_argv[2],

c_argv[3],

c_argv[4],

c_argv[5]));

pid = __spawn2(agentProgramPath,0,NULL,&inherit,

c_argv,(const char **)environ);

if (pid < 0)

{

PEG_TRACE((TRC_SERVER, Tracer::LEVEL1,

"Spawn of provider agent fails:%s "

"( errno %d , reason code %08X )",

strerror(errno) ,errno,__errno2()));

PEG_METHOD_EXIT();

return -1;

}

// Fork process:

# else // !defined(PEGASUS_OS_ZOS)

# if defined(PEGASUS_OS_VMS)

pid = (int)vfork();

# elif defined(PEGASUS_OS_PASE)

pid = (int)fork400("QUMEPRVAGT",0);

# else

pid = (int)fork();

# endif

if (pid < 0)

{

PEG_TRACE((TRC_SERVER, Tracer::LEVEL1,

"Fork for provider agent fails: errno = %d",errno));

PEG_METHOD_EXIT();

return -1;

}

// If child proceses.

if (pid == 0)

{

// Child process

# if !defined(PEGASUS_OS_VMS)

// Close unused pipe descriptors:

close(to[1]);

close(from[0]);

// Close unused descriptors. Leave stdin, stdout, stderr,

// and the child's pipe descriptors open.

Line 371

Line 450

# endif /* !defined(PEGASUS_OS_VMS) */

# if !defined(PEGASUS_DISABLE_PROV_USERCTXT)

// Set uid and gid for the new provider agent process.

if (newUid != (PEGASUS_UID_T)-1 && newGid != (PEGASUS_GID_T)-1)

{

if (!System::changeUserContext_SingleThreaded(

userName.getCString(), newUid, newGid))

{

return -1;

}

# endif /* !defined(PEGASUS_DISABLE_PROV_USERCTXT) */

// Exec the cimprovagt program.

char arg1[32];

char arg2[32];

sprintf(arg1, "%d", to[0]);

sprintf(arg2, "%d", from[1]);

{

CString cstr = path.getCString();

if (execl(

if (execl(cstr, cstr, arg1, arg2, module, (char*)0) == -1)

agentProgramPath,

setUserContextFlag,

toPipeArg,

fromPipeArg,

(const char*)userNameCString,

module,

(char*)0) == -1)

{

PEG_TRACE((TRC_DISCARDED_DATA, Tracer::LEVEL2,

PEG_TRACE((TRC_SERVER, Tracer::LEVEL1,

"execl() failed. errno = %d.", errno));

_exit(1);

}

# endif /* PEGASUS_OS_ZOS */

}

while (0);

PEG_TRACE((TRC_SERVER, Tracer::LEVEL4,

"Provider agent started: pid(%d).", pid));

// Close unused pipe descriptors.

close(to[0]);

Line 427

Line 497

readPipe = new AnonymousPipe(readFdStr, 0);

writePipe = new AnonymousPipe(0, writeFdStr);

# if defined(PEGASUS_HAS_SIGNALS)

# if !defined(PEGASUS_DISABLE_PROV_USERCTXT) && !defined(PEGASUS_OS_ZOS)

// The cimprovagt forks and returns right away. Clean up the zombie

// process now instead of in reapProviderAgent().

int status = 0;

while ((status = waitpid(pid, 0, 0)) == -1 && errno == EINTR)

;

# endif

PEG_METHOD_EXIT();

return 0;

# endif /* POSIX CASE */

Line 453

Line 534

int status = 0;

# if defined(PEGASUS_HAS_SIGNALS)

# if defined(PEGASUS_DISABLE_PROV_USERCTXT) || defined(PEGASUS_OS_ZOS)

// When provider user context is enabled, this is done in

// startProviderAgent().

while ((status = waitpid(pid, 0, 0)) == -1 && errno == EINTR)

;

# endif

return status;

Line 803

Line 888

virtual int reapProviderAgent(

int pid)

{

AutoMutex autoMutex(_mutex);

// The Executor process automatically cleans up all its child

// processes, so it does not need to explicitly harvest the

// Send request header:

// exit status of the cimprovagt processes it starts.

ExecutorRequestHeader header;

header.code = EXECUTOR_REAP_PROVIDER_AGENT_MESSAGE;

if (SendBlock(_sock, &header, sizeof(header)) != sizeof(header))

return -1;

// Send request body:

ExecutorReapProviderAgentRequest request;

memset(&request, 0, sizeof(request));

request.pid = pid;

if (SendBlock(_sock, &request, sizeof(request)) != sizeof(request))

return -1;

// Receive the response

ExecutorReapProviderAgentResponse response;

return 0;

if (RecvBlock(_sock, &response, sizeof(response)) != sizeof(response))

return -1;

return response.status;

}

virtual int authenticatePassword(

Legend:

Removed from v.1.9
changed lines
	Added in v.1.21

No CVS admin address has been configured