version 1.1.2.16, 2007/01/17 18:48:54
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version 1.12.4.4, 2009/02/02 17:20:05
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#include <cstdio> | #include <cstdio> |
#include <cstdlib> | #include <cstdlib> |
#include <cstdlib> |
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#include <cstring> | #include <cstring> |
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#include <Pegasus/Common/Config.h> |
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#if defined(PEGASUS_OS_TYPE_WINDOWS) | #if defined(PEGASUS_OS_TYPE_WINDOWS) |
# include <windows.h> | # include <windows.h> |
#else | #else |
# include <Executor/Socket.h> |
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# include <sys/types.h> |
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# include <sys/socket.h> |
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# include <unistd.h> |
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# include <fcntl.h> |
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# include <sys/wait.h> |
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# include <unistd.h> | # include <unistd.h> |
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# include <errno.h> |
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# include <sys/types.h> |
# include <sys/time.h> | # include <sys/time.h> |
# include <sys/resource.h> | # include <sys/resource.h> |
#endif | #endif |
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#include "Constants.h" |
#if defined(PEGASUS_HAS_SIGNALS) |
#include "Executor.h" |
# include <sys/wait.h> |
#include "Mutex.h" |
#endif |
#include "FileSystem.h" |
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#include "String.h" |
#include <Pegasus/Common/Constants.h> |
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#include <Pegasus/Common/Mutex.h> |
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#include <Pegasus/Common/Once.h> |
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#include <Pegasus/Common/FileSystem.h> |
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#include <Pegasus/Common/String.h> |
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#include <Pegasus/Common/Tracer.h> |
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#include <Pegasus/Common/System.h> |
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#include <Pegasus/Common/Executor.h> |
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#include <Executor/Strlcpy.h> | #include <Executor/Strlcpy.h> |
#include <Executor/Strlcat.h> |
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#if defined(PEGASUS_ENABLE_PRIVILEGE_SEPARATION) | #if defined(PEGASUS_ENABLE_PRIVILEGE_SEPARATION) |
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# include <Executor/Socket.h> |
# include <Executor/Messages.h> | # include <Executor/Messages.h> |
#endif | #endif |
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# include <Executor/PAMAuth.h> | # include <Executor/PAMAuth.h> |
#endif | #endif |
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#ifdef PEGASUS_OS_PASE |
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# include <as400_protos.h> // For fork400() |
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#endif |
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#ifdef PEGASUS_OS_ZOS |
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# include <spawn.h> |
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#endif |
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PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
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//////////////////////////////////////////////////////////////////////////////// | //////////////////////////////////////////////////////////////////////////////// |
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const char* path) = 0; | const char* path) = 0; |
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virtual int startProviderAgent( | virtual int startProviderAgent( |
const SessionKey& sessionKey, |
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const char* module, | const char* module, |
int uid, |
const String& pegasusHome, |
int gid, |
const String& userName, |
int& pid, | int& pid, |
SessionKey& providerAgentSessionKey, |
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AnonymousPipe*& readPipe, | AnonymousPipe*& readPipe, |
AnonymousPipe*& writePipe) = 0; | AnonymousPipe*& writePipe) = 0; |
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virtual int daemonizeExecutor() = 0; | virtual int daemonizeExecutor() = 0; |
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virtual int reapProviderAgent( | virtual int reapProviderAgent( |
const SessionKey& sessionKey, |
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int pid) = 0; | int pid) = 0; |
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virtual int authenticatePassword( | virtual int authenticatePassword( |
const char* username, | const char* username, |
const char* password, |
const char* password) = 0; |
SessionKey& sessionKey) = 0; |
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virtual int validateUser( | virtual int validateUser( |
const char* username) = 0; | const char* username) = 0; |
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virtual int challengeLocal( | virtual int challengeLocal( |
const char* username, | const char* username, |
char challenge[EXECUTOR_BUFFER_SIZE], |
char challengeFilePath[EXECUTOR_BUFFER_SIZE]) = 0; |
SessionKey& sessionKey) = 0; |
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virtual int authenticateLocal( | virtual int authenticateLocal( |
const SessionKey& sessionKey, |
const char* challengeFilePath, |
const char* challengeResponse) = 0; |
const char* response) = 0; |
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virtual int newSessionKey( |
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const char username[EXECUTOR_BUFFER_SIZE], |
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SessionKey& sessionKey) = 0; |
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virtual int deleteSessionKey( |
virtual int updateLogLevel( |
const SessionKey& sessionKey) = 0; |
const char* logLevel) = 0; |
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virtual int refreshPolicy() = 0; |
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}; | }; |
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//////////////////////////////////////////////////////////////////////////////// | //////////////////////////////////////////////////////////////////////////////// |
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switch (mode) | switch (mode) |
{ | { |
case 'r': | case 'r': |
return fopen(path, "rb"); |
return fopen(path, "r"); |
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case 'w': | case 'w': |
return fopen(path, "wb"); |
return fopen(path, "w"); |
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case 'a': | case 'a': |
return fopen(path, "a+"); | return fopen(path, "a+"); |
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virtual int startProviderAgent( | virtual int startProviderAgent( |
const SessionKey& sessionKey, |
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const char* module, | const char* module, |
int uid, |
const String& pegasusHome, |
int gid, |
const String& userName, |
int& pid, | int& pid, |
SessionKey& providerAgentSessionKey, |
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AnonymousPipe*& readPipe, | AnonymousPipe*& readPipe, |
AnonymousPipe*& writePipe) | AnonymousPipe*& writePipe) |
{ | { |
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PEG_METHOD_ENTER(TRC_SERVER,"ExecutorLoopbackImpl::startProviderAgent"); |
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#if !defined(PEGASUS_ENABLE_PRIVILEGE_SEPARATION) |
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#if defined(PEGASUS_OS_TYPE_WINDOWS) | #if defined(PEGASUS_OS_TYPE_WINDOWS) |
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AutoMutex autoMutex(_mutex); | AutoMutex autoMutex(_mutex); |
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// Create pipes. Export handles to string. | // Create pipes. Export handles to string. |
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AnonymousPipe* pipeFromAgent = new AnonymousPipe(); |
AutoPtr<AnonymousPipe> pipeFromAgent(new AnonymousPipe()); |
AnonymousPipe* pipeToAgent = new AnonymousPipe(); |
AutoPtr<AnonymousPipe> pipeToAgent(new AnonymousPipe()); |
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char readHandle[32]; | char readHandle[32]; |
char writeHandle[32]; | char writeHandle[32]; |
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// Build full path of "cimprovagt" program. | // Build full path of "cimprovagt" program. |
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String path; |
String path = FileSystem::getAbsolutePath( |
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pegasusHome.getCString(), PEGASUS_PROVIDER_AGENT_PROC_NAME); |
if (_getProviderAgentPath(path) != 0) |
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{ |
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delete pipeToAgent; |
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delete pipeFromAgent; |
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return -1; |
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} |
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// Format command line. | // Format command line. |
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char cmdLine[2048]; | char cmdLine[2048]; |
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sprintf(cmdLine, "\"%s\" %s %s \"%s\"", |
sprintf(cmdLine, "\"%s\" %s %s %s \"%s\" \"%s\"", |
(const char*)path.getCString(), | (const char*)path.getCString(), |
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"0", // Do not set user context in cimprovagt |
readHandle, | readHandle, |
writeHandle, | writeHandle, |
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(const char*)userName.getCString(), |
module); | module); |
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// Create provider agent proess. | // Create provider agent proess. |
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&siStartInfo, // STARTUPINFO | &siStartInfo, // STARTUPINFO |
&piProcInfo)) // PROCESS_INFORMATION | &piProcInfo)) // PROCESS_INFORMATION |
{ | { |
delete pipeToAgent; |
PEG_METHOD_EXIT(); |
delete pipeFromAgent; |
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return -1; | return -1; |
} | } |
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pipeToAgent->closeReadHandle(); | pipeToAgent->closeReadHandle(); |
pipeFromAgent->closeWriteHandle(); | pipeFromAgent->closeWriteHandle(); |
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readPipe = pipeFromAgent; |
readPipe = pipeFromAgent.release(); |
writePipe = pipeToAgent; |
writePipe = pipeToAgent.release(); |
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PEG_METHOD_EXIT(); |
return 0; | return 0; |
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#elif defined(PEGASUS_OS_OS400) |
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// ATTN: no implementation for OS400. |
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return -1; |
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#else /* POSIX CASE FOLLOWS */ | #else /* POSIX CASE FOLLOWS */ |
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AutoMutex autoMutex(_mutex); | AutoMutex autoMutex(_mutex); |
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// Initialize output parameters in case of error. | // Initialize output parameters in case of error. |
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providerAgentSessionKey.clear(); |
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pid = -1; | pid = -1; |
readPipe = 0; | readPipe = 0; |
writePipe = 0; | writePipe = 0; |
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int to[2]; | int to[2]; |
int from[2]; | int from[2]; |
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# if defined(PEGASUS_OS_ZOS) |
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// zOS is using __spawn2() instead of frok() |
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struct __inheritance inherit; |
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const char *c_argv[5]; |
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char arg1[32]; |
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char arg2[32]; |
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# endif |
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do | do |
{ | { |
// Resolve full path of "cimprovagt". | // Resolve full path of "cimprovagt". |
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String path; |
String path = FileSystem::getAbsolutePath( |
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pegasusHome.getCString(), PEGASUS_PROVIDER_AGENT_PROC_NAME); |
if (_getProviderAgentPath(path) != 0) |
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return -1; |
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// Create "to-agent" pipe: | // Create "to-agent" pipe: |
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if (pipe(from) != 0) | if (pipe(from) != 0) |
return -1; | return -1; |
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// Fork process: |
// Start provider agent: |
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#if !defined(PEGASUS_OS_VMS) |
# if defined(PEGASUS_OS_ZOS) |
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// zOS is using __spawn2() to start provider agent |
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sprintf(arg1, "%d", to[0]); |
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sprintf(arg2, "%d", from[1]); |
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CString program_name = path.getCString(); |
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c_argv[0] = program_name; |
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c_argv[1] = arg1; |
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c_argv[2] = arg2; |
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c_argv[3] = module; |
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c_argv[4] = NULL; |
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// reset the inherit structure |
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memset(&inherit,0,sizeof(inherit)); |
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// The provider agent should get a defined JobName. |
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inherit.flags=SPAWN_SETJOBNAME; |
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memcpy( inherit.jobname,"CFZOOPA ", |
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sizeof(inherit.jobname)); |
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CString program = path.getCString(); |
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PEG_TRACE((TRC_SERVER, Tracer::LEVEL4, |
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"Starting provider agent: %s %s %s %s %s", |
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program,program_name,arg1,arg2,module)); |
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pid = __spawn2(program,0,NULL,&inherit, |
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c_argv,(const char **)environ); |
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if (pid < 0) |
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{ |
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PEG_TRACE((TRC_SERVER, Tracer::LEVEL4, |
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"Spawn of provider agent fails:%s " |
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"( errno %d , reason code %08X )", |
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strerror(errno) ,errno,__errno2())); |
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PEG_METHOD_EXIT(); |
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return -1; |
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} |
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# elif defined(PEGASUS_OS_VMS) |
pid = (int)vfork(); | pid = (int)vfork(); |
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# elif defined(PEGASUS_OS_PASE) |
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pid = (int)fork400("QUMEPRVAGT",0); |
#else | #else |
pid = (int)fork(); | pid = (int)fork(); |
#endif | #endif |
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# if !defined(PEGASUS_OS_ZOS) |
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if (pid < 0) | if (pid < 0) |
return -1; | return -1; |
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if (pid == 0) | if (pid == 0) |
{ | { |
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# if !defined(PEGASUS_OS_VMS) |
// Close unused pipe descriptors: | // Close unused pipe descriptors: |
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close(to[1]); | close(to[1]); |
close(from[0]); | close(from[0]); |
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#if !defined(PEGASUS_OS_VMS) |
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// Close unused descriptors. Leave stdin, stdout, stderr, | // Close unused descriptors. Leave stdin, stdout, stderr, |
// and the child's pipe descriptors open. | // and the child's pipe descriptors open. |
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#endif /* !defined(PEGASUS_OS_VMS) */ | #endif /* !defined(PEGASUS_OS_VMS) */ |
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// Set uid and gid for the new provider agent process. |
// Exec the cimprovagt program. |
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# if !defined(PEGASUS_DISABLE_PROV_USERCTXT) |
char toPipeArg[32]; |
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char fromPipeArg[32]; |
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sprintf(toPipeArg, "%d", to[0]); |
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sprintf(fromPipeArg, "%d", from[1]); |
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if (uid != -1 && gid != -1) |
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{ | { |
if ((int)getgid() != gid) |
CString cstr = path.getCString(); |
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if (execl( |
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cstr, |
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cstr, |
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# if !defined(PEGASUS_DISABLE_PROV_USERCTXT) |
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"1", // Set user context in cimprovagt |
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# else |
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"0", // Do not set user context in cimprovagt |
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# endif |
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toPipeArg, |
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fromPipeArg, |
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(const char*)userName.getCString(), |
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module, |
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(char*)0) == -1) |
{ | { |
// ATTN: log failure! |
PEG_TRACE((TRC_DISCARDED_DATA, Tracer::LEVEL2, |
setgid(gid); |
"execl() failed. errno = %d.", errno)); |
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_exit(1); |
} | } |
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if ((int)getuid() != uid) |
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{ |
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// ATTN: log failure! |
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setuid(uid); |
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} | } |
} | } |
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# else /* PEGASUS_OS_ZOS */ |
# endif /* !defined(PEGASUS_DISABLE_PROV_USERCTXT) */ |
if (pid > 0) |
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// Exec the cimprovagt program. |
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char arg1[32]; |
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char arg2[32]; |
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sprintf(arg1, "%d", to[0]); |
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sprintf(arg2, "%d", from[1]); |
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{ | { |
CString cstr = path.getCString(); |
PEG_TRACE((TRC_SERVER, Tracer::LEVEL4, |
execl(cstr, cstr, arg1, arg2, module, (char*)0); |
"Provider agent started suggessfully: Pid(%d).",pid)); |
_exit(1); |
break; |
} | } |
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# endif /* PEGASUS_OS_ZOS */ |
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// ATTN: log failure! |
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} |
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} | } |
while (0); | while (0); |
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readPipe = new AnonymousPipe(readFdStr, 0); | readPipe = new AnonymousPipe(readFdStr, 0); |
writePipe = new AnonymousPipe(0, writeFdStr); | writePipe = new AnonymousPipe(0, writeFdStr); |
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# if defined(PEGASUS_HAS_SIGNALS) |
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# if !defined(PEGASUS_DISABLE_PROV_USERCTXT) && !defined(PEGASUS_OS_ZOS) |
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// The cimprovagt forks and returns right away. Clean up the zombie |
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// process now instead of in reapProviderAgent(). |
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int status = 0; |
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while ((status = waitpid(pid, 0, 0)) == -1 && errno == EINTR) |
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; |
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# endif |
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# endif |
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return 0; | return 0; |
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#endif /* !defined(START_PROVIDER_AGENT) */ |
# endif /* POSIX CASE */ |
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#else /* PEGASUS_ENABLE_PRIVILEGE_SEPARATION is defined */ |
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// Out-of-Process providers are never started by the cimserver process |
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// when Privilege Separation is enabled. |
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return -1; |
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#endif |
} | } |
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virtual int daemonizeExecutor() | virtual int daemonizeExecutor() |
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} | } |
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virtual int reapProviderAgent( | virtual int reapProviderAgent( |
const SessionKey& sessionKey, |
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int pid) | int pid) |
{ | { |
int status; |
#if !defined(PEGASUS_ENABLE_PRIVILEGE_SEPARATION) |
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int status = 0; |
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# if defined(PEGASUS_HAS_SIGNALS) |
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# if defined(PEGASUS_DISABLE_PROV_USERCTXT) || defined(PEGASUS_OS_ZOS) |
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// When provider user context is enabled, this is done in |
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// startProviderAgent(). |
while ((status = waitpid(pid, 0, 0)) == -1 && errno == EINTR) | while ((status = waitpid(pid, 0, 0)) == -1 && errno == EINTR) |
; | ; |
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# endif |
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# endif |
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return status; | return status; |
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#else /* PEGASUS_ENABLE_PRIVILEGE_SEPARATION is defined */ |
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// Out-of-Process providers are never started by the cimserver process |
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// when Privilege Separation is enabled. |
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return -1; |
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#endif |
} | } |
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virtual int authenticatePassword( | virtual int authenticatePassword( |
const char* username, | const char* username, |
const char* password, |
const char* password) |
SessionKey& sessionKey) |
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{ | { |
sessionKey.clear(); |
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#if defined(PEGASUS_PAM_AUTHENTICATION) | #if defined(PEGASUS_PAM_AUTHENTICATION) |
return PAMAuthenticate(username, password); | return PAMAuthenticate(username, password); |
#else | #else |
// ATTN: not handled so don't call in this case. | // ATTN: not handled so don't call in this case. |
sessionKey.clear(); |
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return -1; | return -1; |
#endif | #endif |
} | } |
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virtual int challengeLocal( | virtual int challengeLocal( |
const char* username, | const char* username, |
char challenge[EXECUTOR_BUFFER_SIZE], |
char challengeFilePath[EXECUTOR_BUFFER_SIZE]) |
SessionKey& sessionKey) |
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{ | { |
// ATTN: not handled so don't call in this case. | // ATTN: not handled so don't call in this case. |
sessionKey.clear(); |
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return -1; | return -1; |
} | } |
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virtual int authenticateLocal( | virtual int authenticateLocal( |
const SessionKey& sessionKey, |
const char* challengeFilePath, |
const char* challengeResponse) |
const char* response) |
{ | { |
// ATTN: not handled so don't call in this case. | // ATTN: not handled so don't call in this case. |
return -1; | return -1; |
} | } |
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virtual int newSessionKey( |
virtual int updateLogLevel( |
const char username[EXECUTOR_BUFFER_SIZE], |
const char* logLevel) |
SessionKey& sessionKey) |
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{ | { |
sessionKey.clear(); |
// If Privilege Separation is not enabled, we don't need to update |
return -1; |
// the log level in the Executor. |
} |
return 0; |
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virtual int deleteSessionKey( |
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const SessionKey& sessionKey) |
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{ |
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return -1; |
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} |
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virtual int refreshPolicy() |
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{ |
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return -1; |
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} | } |
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private: | private: |
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static int _getProviderAgentPath(String& path) |
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{ |
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path = PEGASUS_PROVIDER_AGENT_PROC_NAME; |
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if (path[0] != '/') |
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{ |
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const char* env = getenv("PEGASUS_HOME"); |
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if (!env) |
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return -1; |
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path = String(env) + String("/") + path; |
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} |
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return 0; |
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} |
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Mutex _mutex; | Mutex _mutex; |
}; | }; |
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{ | { |
AutoMutex autoMutex(_mutex); | AutoMutex autoMutex(_mutex); |
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// _send request header: |
// Send request header: |
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ExecutorRequestHeader header; | ExecutorRequestHeader header; |
header.code = EXECUTOR_PING_MESSAGE; | header.code = EXECUTOR_PING_MESSAGE; |
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if (_send(_sock, &header, sizeof(header)) != sizeof(header)) |
if (SendBlock(_sock, &header, sizeof(header)) != sizeof(header)) |
return -1; | return -1; |
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ExecutorPingResponse response; | ExecutorPingResponse response; |
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if (_recv(_sock, &response, sizeof(response)) != sizeof(response)) |
if (RecvBlock(_sock, &response, sizeof(response)) != sizeof(response)) |
return -1; | return -1; |
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if (response.magic == EXECUTOR_PING_MAGIC) | if (response.magic == EXECUTOR_PING_MAGIC) |
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if (mode != 'r' && mode != 'w' && mode != 'a') | if (mode != 'r' && mode != 'w' && mode != 'a') |
return NULL; | return NULL; |
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// _send request header: |
// Send request header: |
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ExecutorRequestHeader header; | ExecutorRequestHeader header; |
header.code = EXECUTOR_OPEN_FILE_MESSAGE; | header.code = EXECUTOR_OPEN_FILE_MESSAGE; |
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if (_send(_sock, &header, sizeof(header)) != sizeof(header)) |
if (SendBlock(_sock, &header, sizeof(header)) != sizeof(header)) |
return NULL; | return NULL; |
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// _send request body. |
// Send request body. |
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ExecutorOpenFileRequest request; | ExecutorOpenFileRequest request; |
memset(&request, 0, sizeof(request)); | memset(&request, 0, sizeof(request)); |
Strlcpy(request.path, path, EXECUTOR_BUFFER_SIZE); | Strlcpy(request.path, path, EXECUTOR_BUFFER_SIZE); |
request.mode = mode; | request.mode = mode; |
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if (_send(_sock, &request, sizeof(request)) != sizeof(request)) |
if (SendBlock(_sock, &request, sizeof(request)) != sizeof(request)) |
return NULL; | return NULL; |
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// Receive the response | // Receive the response |
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ExecutorOpenFileResponse response; | ExecutorOpenFileResponse response; |
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if (_recv(_sock, &response, sizeof(response)) != sizeof(response)) |
if (RecvBlock(_sock, &response, sizeof(response)) != sizeof(response)) |
return NULL; | return NULL; |
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// Receive descriptor (if response successful). | // Receive descriptor (if response successful). |
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{ | { |
AutoMutex autoMutex(_mutex); | AutoMutex autoMutex(_mutex); |
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// _send request header: |
// Send request header: |
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ExecutorRequestHeader header; | ExecutorRequestHeader header; |
header.code = EXECUTOR_RENAME_FILE_MESSAGE; | header.code = EXECUTOR_RENAME_FILE_MESSAGE; |
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if (_send(_sock, &header, sizeof(header)) != sizeof(header)) |
if (SendBlock(_sock, &header, sizeof(header)) != sizeof(header)) |
return -1; | return -1; |
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// _send request body. |
// Send request body. |
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ExecutorRenameFileRequest request; | ExecutorRenameFileRequest request; |
memset(&request, 0, sizeof(request)); | memset(&request, 0, sizeof(request)); |
Strlcpy(request.oldPath, oldPath, EXECUTOR_BUFFER_SIZE); | Strlcpy(request.oldPath, oldPath, EXECUTOR_BUFFER_SIZE); |
Strlcpy(request.newPath, newPath, EXECUTOR_BUFFER_SIZE); | Strlcpy(request.newPath, newPath, EXECUTOR_BUFFER_SIZE); |
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if (_send(_sock, &request, sizeof(request)) != sizeof(request)) |
if (SendBlock(_sock, &request, sizeof(request)) != sizeof(request)) |
return -1; | return -1; |
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// Receive the response | // Receive the response |
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ExecutorRenameFileResponse response; | ExecutorRenameFileResponse response; |
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if (_recv(_sock, &response, sizeof(response)) != sizeof(response)) |
if (RecvBlock(_sock, &response, sizeof(response)) != sizeof(response)) |
return -1; | return -1; |
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return response.status; | return response.status; |
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{ | { |
AutoMutex autoMutex(_mutex); | AutoMutex autoMutex(_mutex); |
| |
// _send request header: |
// Send request header: |
| |
ExecutorRequestHeader header; | ExecutorRequestHeader header; |
header.code = EXECUTOR_REMOVE_FILE_MESSAGE; | header.code = EXECUTOR_REMOVE_FILE_MESSAGE; |
| |
if (_send(_sock, &header, sizeof(header)) != sizeof(header)) |
if (SendBlock(_sock, &header, sizeof(header)) != sizeof(header)) |
return -1; | return -1; |
| |
// _send request body. |
// Send request body. |
| |
ExecutorRemoveFileRequest request; | ExecutorRemoveFileRequest request; |
memset(&request, 0, sizeof(request)); | memset(&request, 0, sizeof(request)); |
Strlcpy(request.path, path, EXECUTOR_BUFFER_SIZE); | Strlcpy(request.path, path, EXECUTOR_BUFFER_SIZE); |
| |
if (_send(_sock, &request, sizeof(request)) != sizeof(request)) |
if (SendBlock(_sock, &request, sizeof(request)) != sizeof(request)) |
return -1; | return -1; |
| |
// Receive the response | // Receive the response |
| |
ExecutorRemoveFileResponse response; | ExecutorRemoveFileResponse response; |
| |
if (_recv(_sock, &response, sizeof(response)) != sizeof(response)) |
if (RecvBlock(_sock, &response, sizeof(response)) != sizeof(response)) |
return -1; | return -1; |
| |
return response.status; | return response.status; |
} | } |
| |
virtual int startProviderAgent( | virtual int startProviderAgent( |
const SessionKey& sessionKey, |
|
const char* module, | const char* module, |
int uid, |
const String& pegasusHome, |
int gid, |
const String& userName, |
int& pid, | int& pid, |
SessionKey& providerAgentSessionKey, |
|
AnonymousPipe*& readPipe, | AnonymousPipe*& readPipe, |
AnonymousPipe*& writePipe) | AnonymousPipe*& writePipe) |
{ | { |
AutoMutex autoMutex(_mutex); | AutoMutex autoMutex(_mutex); |
| |
providerAgentSessionKey.clear(); |
|
readPipe = 0; | readPipe = 0; |
writePipe = 0; | writePipe = 0; |
| |
// Reject strings longer than EXECUTOR_BUFFER_SIZE. | // Reject strings longer than EXECUTOR_BUFFER_SIZE. |
| |
size_t n = strlen(module); |
size_t moduleNameLength = strlen(module); |
| |
if (n >= EXECUTOR_BUFFER_SIZE) |
if (moduleNameLength >= EXECUTOR_BUFFER_SIZE) |
return -1; | return -1; |
| |
// _send request header: |
CString userNameCString = userName.getCString(); |
|
size_t userNameLength = strlen(userNameCString); |
|
|
|
if (userNameLength >= EXECUTOR_BUFFER_SIZE) |
|
return -1; |
|
|
|
// Send request header: |
| |
ExecutorRequestHeader header; | ExecutorRequestHeader header; |
header.code = EXECUTOR_START_PROVIDER_AGENT_MESSAGE; | header.code = EXECUTOR_START_PROVIDER_AGENT_MESSAGE; |
| |
if (_send(_sock, &header, sizeof(header)) != sizeof(header)) |
if (SendBlock(_sock, &header, sizeof(header)) != sizeof(header)) |
return -1; | return -1; |
| |
// _send request body. |
// Send request body. |
| |
ExecutorStartProviderAgentRequest request; | ExecutorStartProviderAgentRequest request; |
memset(&request, 0, sizeof(request)); | memset(&request, 0, sizeof(request)); |
Strlcpy(request.key, sessionKey.data(), sizeof(request.key)); |
memcpy(request.module, module, moduleNameLength); |
memcpy(request.module, module, n); |
memcpy(request.userName, userNameCString, userNameLength); |
request.uid = uid; |
|
request.gid = gid; |
|
| |
if (_send(_sock, &request, sizeof(request)) != sizeof(request)) |
if (SendBlock(_sock, &request, sizeof(request)) != sizeof(request)) |
return -1; | return -1; |
| |
// Receive the response | // Receive the response |
| |
ExecutorStartProviderAgentResponse response; | ExecutorStartProviderAgentResponse response; |
| |
if (_recv(_sock, &response, sizeof(response)) != sizeof(response)) |
if (RecvBlock(_sock, &response, sizeof(response)) != sizeof(response)) |
return -1; | return -1; |
| |
// Get the session key. |
|
|
|
Strlcpy((char*)providerAgentSessionKey.data(), |
|
response.key, providerAgentSessionKey.size()); |
|
|
|
// Check response status and pid. | // Check response status and pid. |
| |
if (response.status != 0) | if (response.status != 0) |
|
|
{ | { |
AutoMutex autoMutex(_mutex); | AutoMutex autoMutex(_mutex); |
| |
// _send request header: |
// Send request header: |
| |
ExecutorRequestHeader header; | ExecutorRequestHeader header; |
header.code = EXECUTOR_DAEMONIZE_EXECUTOR_MESSAGE; | header.code = EXECUTOR_DAEMONIZE_EXECUTOR_MESSAGE; |
| |
if (_send(_sock, &header, sizeof(header)) != sizeof(header)) |
if (SendBlock(_sock, &header, sizeof(header)) != sizeof(header)) |
return -1; | return -1; |
| |
// Receive the response | // Receive the response |
| |
ExecutorDaemonizeExecutorResponse response; | ExecutorDaemonizeExecutorResponse response; |
| |
if (_recv(_sock, &response, sizeof(response)) != sizeof(response)) |
if (RecvBlock(_sock, &response, sizeof(response)) != sizeof(response)) |
return -1; | return -1; |
| |
return response.status; | return response.status; |
} | } |
| |
virtual int reapProviderAgent( | virtual int reapProviderAgent( |
const SessionKey& sessionKey, |
|
int pid) | 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; |
|
|
|
if (_send(_sock, &header, sizeof(header)) != sizeof(header)) |
|
return -1; |
|
|
|
// _send request body: |
|
| |
ExecutorReapProviderAgentRequest request; |
return 0; |
memset(&request, 0, sizeof(request)); |
|
Strlcpy(request.key, sessionKey.data(), sizeof(request.key)); |
|
request.pid = pid; |
|
|
|
if (_send(_sock, &request, sizeof(request)) != sizeof(request)) |
|
return -1; |
|
|
|
// Receive the response |
|
|
|
ExecutorReapProviderAgentResponse response; |
|
|
|
if (_recv(_sock, &response, sizeof(response)) != sizeof(response)) |
|
return -1; |
|
|
|
return response.status; |
|
} | } |
| |
virtual int authenticatePassword( | virtual int authenticatePassword( |
const char* username, | const char* username, |
const char* password, |
const char* password) |
SessionKey& sessionKey) |
|
{ | { |
AutoMutex autoMutex(_mutex); | AutoMutex autoMutex(_mutex); |
| |
sessionKey.clear(); |
// Send request header: |
|
|
// _send request header: |
|
| |
ExecutorRequestHeader header; | ExecutorRequestHeader header; |
header.code = EXECUTOR_AUTHENTICATE_PASSWORD_MESSAGE; | header.code = EXECUTOR_AUTHENTICATE_PASSWORD_MESSAGE; |
| |
if (_send(_sock, &header, sizeof(header)) != sizeof(header)) |
if (SendBlock(_sock, &header, sizeof(header)) != sizeof(header)) |
return -1; | return -1; |
| |
// _send request body. |
// Send request body. |
| |
ExecutorAuthenticatePasswordRequest request; | ExecutorAuthenticatePasswordRequest request; |
memset(&request, 0, sizeof(request)); | memset(&request, 0, sizeof(request)); |
Strlcpy(request.username, username, EXECUTOR_BUFFER_SIZE); | Strlcpy(request.username, username, EXECUTOR_BUFFER_SIZE); |
Strlcpy(request.password, password, EXECUTOR_BUFFER_SIZE); | Strlcpy(request.password, password, EXECUTOR_BUFFER_SIZE); |
| |
if (_send(_sock, &request, sizeof(request)) != sizeof(request)) |
if (SendBlock(_sock, &request, sizeof(request)) != sizeof(request)) |
return -1; | return -1; |
| |
// Receive the response | // Receive the response |
| |
ExecutorAuthenticatePasswordResponse response; | ExecutorAuthenticatePasswordResponse response; |
| |
if (_recv(_sock, &response, sizeof(response)) != sizeof(response)) |
if (RecvBlock(_sock, &response, sizeof(response)) != sizeof(response)) |
return -1; | return -1; |
| |
Strlcpy((char*)sessionKey.data(), response.key, sessionKey.size()); |
|
|
|
return response.status; | return response.status; |
} | } |
| |
|
|
{ | { |
AutoMutex autoMutex(_mutex); | AutoMutex autoMutex(_mutex); |
| |
// _send request header: |
// Send request header: |
| |
ExecutorRequestHeader header; | ExecutorRequestHeader header; |
header.code = EXECUTOR_VALIDATE_USER_MESSAGE; | header.code = EXECUTOR_VALIDATE_USER_MESSAGE; |
| |
if (_send(_sock, &header, sizeof(header)) != sizeof(header)) |
if (SendBlock(_sock, &header, sizeof(header)) != sizeof(header)) |
return -1; | return -1; |
| |
// _send request body. |
// Send request body. |
| |
ExecutorValidateUserRequest request; | ExecutorValidateUserRequest request; |
memset(&request, 0, sizeof(request)); | memset(&request, 0, sizeof(request)); |
Strlcpy(request.username, username, EXECUTOR_BUFFER_SIZE); | Strlcpy(request.username, username, EXECUTOR_BUFFER_SIZE); |
| |
if (_send(_sock, &request, sizeof(request)) != sizeof(request)) |
if (SendBlock(_sock, &request, sizeof(request)) != sizeof(request)) |
return -1; | return -1; |
| |
// Receive the response | // Receive the response |
| |
ExecutorValidateUserResponse response; | ExecutorValidateUserResponse response; |
| |
if (_recv(_sock, &response, sizeof(response)) != sizeof(response)) |
if (RecvBlock(_sock, &response, sizeof(response)) != sizeof(response)) |
return -1; | return -1; |
| |
return response.status; | return response.status; |
|
|
| |
virtual int challengeLocal( | virtual int challengeLocal( |
const char* username, | const char* username, |
char challenge[EXECUTOR_BUFFER_SIZE], |
char challengeFilePath[EXECUTOR_BUFFER_SIZE]) |
SessionKey& sessionKey) |
|
{ | { |
AutoMutex autoMutex(_mutex); | AutoMutex autoMutex(_mutex); |
| |
sessionKey.clear(); |
// Send request header: |
|
|
// _send request header: |
|
| |
ExecutorRequestHeader header; | ExecutorRequestHeader header; |
header.code = EXECUTOR_CHALLENGE_LOCAL_MESSAGE; | header.code = EXECUTOR_CHALLENGE_LOCAL_MESSAGE; |
| |
if (_send(_sock, &header, sizeof(header)) != sizeof(header)) |
if (SendBlock(_sock, &header, sizeof(header)) != sizeof(header)) |
return -1; | return -1; |
| |
// _send request body. |
// Send request body. |
| |
ExecutorChallengeLocalRequest request; | ExecutorChallengeLocalRequest request; |
memset(&request, 0, sizeof(request)); | memset(&request, 0, sizeof(request)); |
Strlcpy(request.user, username, EXECUTOR_BUFFER_SIZE); | Strlcpy(request.user, username, EXECUTOR_BUFFER_SIZE); |
| |
if (_send(_sock, &request, sizeof(request)) != sizeof(request)) |
if (SendBlock(_sock, &request, sizeof(request)) != sizeof(request)) |
return -1; | return -1; |
| |
// Receive the response | // Receive the response |
| |
ExecutorChallengeLocalResponse response; | ExecutorChallengeLocalResponse response; |
| |
if (_recv(_sock, &response, sizeof(response)) != sizeof(response)) |
if (RecvBlock(_sock, &response, sizeof(response)) != sizeof(response)) |
return -1; | return -1; |
| |
Strlcpy((char*)sessionKey.data(), response.key, sessionKey.size()); |
Strlcpy(challengeFilePath, response.challenge, EXECUTOR_BUFFER_SIZE); |
Strlcpy(challenge, response.challenge, EXECUTOR_BUFFER_SIZE); |
|
| |
return response.status; | return response.status; |
} | } |
| |
virtual int authenticateLocal( | virtual int authenticateLocal( |
const SessionKey& sessionKey, |
const char* challengeFilePath, |
const char* challengeResponse) |
const char* response) |
{ | { |
AutoMutex autoMutex(_mutex); | AutoMutex autoMutex(_mutex); |
| |
// _send request header: |
// Send request header: |
| |
ExecutorRequestHeader header; | ExecutorRequestHeader header; |
header.code = EXECUTOR_AUTHENTICATE_LOCAL_MESSAGE; | header.code = EXECUTOR_AUTHENTICATE_LOCAL_MESSAGE; |
| |
if (_send(_sock, &header, sizeof(header)) != sizeof(header)) |
if (SendBlock(_sock, &header, sizeof(header)) != sizeof(header)) |
return -1; | return -1; |
| |
// _send request body. |
// Send request body. |
| |
ExecutorAuthenticateLocalRequest request; | ExecutorAuthenticateLocalRequest request; |
memset(&request, 0, sizeof(request)); | memset(&request, 0, sizeof(request)); |
Strlcpy(request.key, (char*)sessionKey.data(), EXECUTOR_BUFFER_SIZE); |
Strlcpy(request.challenge, challengeFilePath, EXECUTOR_BUFFER_SIZE); |
Strlcpy(request.token, challengeResponse, EXECUTOR_BUFFER_SIZE); |
Strlcpy(request.response, response, EXECUTOR_BUFFER_SIZE); |
| |
if (_send(_sock, &request, sizeof(request)) != sizeof(request)) |
if (SendBlock(_sock, &request, sizeof(request)) != sizeof(request)) |
return -1; | return -1; |
| |
// Receive the response | // Receive the response |
| |
ExecutorAuthenticateLocalResponse response; |
ExecutorAuthenticateLocalResponse response_; |
| |
if (_recv(_sock, &response, sizeof(response)) != sizeof(response)) |
if (RecvBlock(_sock, &response_, sizeof(response_)) != |
return -1; |
sizeof(response_)) |
|
|
return response.status; |
|
} |
|
|
|
virtual int newSessionKey( |
|
const char username[EXECUTOR_BUFFER_SIZE], |
|
SessionKey& sessionKey) |
|
{ | { |
AutoMutex autoMutex(_mutex); |
|
|
|
sessionKey.clear(); |
|
|
|
// _send request header: |
|
|
|
ExecutorRequestHeader header; |
|
header.code = EXECUTOR_NEW_SESSION_KEY_MESSAGE; |
|
|
|
if (_send(_sock, &header, sizeof(header)) != sizeof(header)) |
|
return -1; |
|
|
|
// _send request body. |
|
|
|
ExecutorNewSessionKeyRequest request; |
|
memset(&request, 0, sizeof(request)); |
|
Strlcpy(request.username, username, sizeof(request.username)); |
|
|
|
if (_send(_sock, &request, sizeof(request)) != sizeof(request)) |
|
return -1; |
|
|
|
// Receive the response |
|
|
|
ExecutorNewSessionKeyResponse response; |
|
|
|
if (_recv(_sock, &response, sizeof(response)) != sizeof(response)) |
|
return -1; | return -1; |
|
} |
| |
Strlcpy((char*)sessionKey.data(), response.key, sessionKey.size()); |
return response_.status; |
|
|
return response.status; |
|
} | } |
| |
virtual int deleteSessionKey( |
virtual int updateLogLevel( |
const SessionKey& sessionKey) |
const char* logLevel) |
{ | { |
AutoMutex autoMutex(_mutex); | AutoMutex autoMutex(_mutex); |
| |
// Send request header: | // Send request header: |
| |
ExecutorRequestHeader header; | ExecutorRequestHeader header; |
header.code = EXECUTOR_DELETE_SESSION_KEY_MESSAGE; |
header.code = EXECUTOR_UPDATE_LOG_LEVEL_MESSAGE; |
| |
if (_send(_sock, &header, sizeof(header)) != sizeof(header)) |
if (SendBlock(_sock, &header, sizeof(header)) != sizeof(header)) |
return -1; | return -1; |
| |
// Send request body. |
// Send request body: |
| |
ExecutorDeleteSessionKeyRequest request; |
ExecutorUpdateLogLevelRequest request; |
memset(&request, 0, sizeof(request)); | memset(&request, 0, sizeof(request)); |
Strlcpy(request.key, sessionKey.data(), sizeof(request.key)); |
Strlcpy(request.logLevel, logLevel, EXECUTOR_BUFFER_SIZE); |
| |
if (_send(_sock, &request, sizeof(request)) != sizeof(request)) |
if (SendBlock(_sock, &request, sizeof(request)) != sizeof(request)) |
return -1; | return -1; |
| |
// Receive the response | // Receive the response |
| |
ExecutorDeleteSessionKeyResponse response; |
ExecutorUpdateLogLevelResponse response; |
| |
if (_recv(_sock, &response, sizeof(response)) != sizeof(response)) |
if (RecvBlock(_sock, &response, sizeof(response)) != sizeof(response)) |
return -1; |
|
|
|
return response.status; |
|
} |
|
|
|
virtual int refreshPolicy() |
|
{ |
|
AutoMutex autoMutex(_mutex); |
|
|
|
// _send request header: |
|
|
|
ExecutorRequestHeader header; |
|
header.code = EXECUTOR_REFRESH_POLICY_MESSAGE; |
|
|
|
if (_send(_sock, &header, sizeof(header)) != sizeof(header)) |
|
return -1; |
|
|
|
// Receive the response |
|
|
|
ExecutorRefreshPolicyResponse response; |
|
|
|
if (_recv(_sock, &response, sizeof(response)) != sizeof(response)) |
|
return -1; | return -1; |
| |
return response.status; | return response.status; |
|
|
| |
private: | private: |
| |
static ssize_t _recv(int sock, void* buffer, size_t size) |
|
{ |
|
size_t r = size; |
|
char* p = (char*)buffer; |
|
|
|
if (size == 0) |
|
return -1; |
|
|
|
while (r) |
|
{ |
|
ssize_t n; |
|
|
|
EXECUTOR_RESTART(read(sock, p, r), n); |
|
|
|
if (n == -1) |
|
return -1; |
|
else if (n == 0) |
|
return size - r; |
|
|
|
r -= n; |
|
p += n; |
|
} |
|
|
|
return size - r; |
|
} |
|
|
|
static ssize_t _send(int sock, void* buffer, size_t size) |
|
{ |
|
size_t r = size; |
|
char* p = (char*)buffer; |
|
|
|
while (r) |
|
{ |
|
ssize_t n; |
|
EXECUTOR_RESTART(write(sock, p, r), n); |
|
|
|
if (n == -1) |
|
return -1; |
|
else if (n == 0) |
|
return size - r; |
|
|
|
r -= n; |
|
p += n; |
|
} |
|
|
|
return size - r; |
|
} |
|
|
|
int _sock; | int _sock; |
Mutex _mutex; | Mutex _mutex; |
}; | }; |
|
|
// | // |
//////////////////////////////////////////////////////////////////////////////// | //////////////////////////////////////////////////////////////////////////////// |
| |
static int _sock = -1; |
static int _executorSock = -1; |
static ExecutorImpl* _impl = 0; |
static AutoPtr<ExecutorImpl> _executorImpl; |
static Mutex _mutex; |
static Once _executorImplOnce = PEGASUS_ONCE_INITIALIZER; |
| |
static ExecutorImpl* _getImpl() |
static void _initExecutorImpl() |
{ |
|
// Use the double-checked locking technique to avoid the overhead of a lock |
|
// on every call. |
|
|
|
if (_impl == 0) |
|
{ |
|
_mutex.lock(); |
|
|
|
if (_impl == 0) |
|
{ | { |
#if defined(PEGASUS_ENABLE_PRIVILEGE_SEPARATION) | #if defined(PEGASUS_ENABLE_PRIVILEGE_SEPARATION) |
if (_sock == -1) |
if (_executorSock == -1) |
_impl = new ExecutorLoopbackImpl(); |
_executorImpl.reset(new ExecutorLoopbackImpl()); |
else | else |
_impl = new ExecutorSocketImpl(_sock); |
_executorImpl.reset(new ExecutorSocketImpl(_executorSock)); |
#else | #else |
_impl = new ExecutorLoopbackImpl(); |
_executorImpl.reset(new ExecutorLoopbackImpl()); |
#endif | #endif |
} | } |
| |
_mutex.unlock(); |
|
} |
|
|
|
return _impl; |
|
} |
|
|
|
void Executor::setSock(int sock) | void Executor::setSock(int sock) |
{ | { |
_mutex.lock(); |
_executorSock = sock; |
_sock = sock; |
|
_mutex.unlock(); |
|
} | } |
| |
int Executor::detectExecutor() | int Executor::detectExecutor() |
{ | { |
return _getImpl()->detectExecutor(); |
once(&_executorImplOnce, _initExecutorImpl); |
|
return _executorImpl->detectExecutor(); |
} | } |
| |
int Executor::ping() | int Executor::ping() |
{ | { |
return _getImpl()->ping(); |
once(&_executorImplOnce, _initExecutorImpl); |
|
return _executorImpl->ping(); |
} | } |
| |
FILE* Executor::openFile( | FILE* Executor::openFile( |
const char* path, | const char* path, |
int mode) | int mode) |
{ | { |
return _getImpl()->openFile(path, mode); |
once(&_executorImplOnce, _initExecutorImpl); |
|
return _executorImpl->openFile(path, mode); |
} | } |
| |
int Executor::renameFile( | int Executor::renameFile( |
const char* oldPath, | const char* oldPath, |
const char* newPath) | const char* newPath) |
{ | { |
return _getImpl()->renameFile(oldPath, newPath); |
once(&_executorImplOnce, _initExecutorImpl); |
|
return _executorImpl->renameFile(oldPath, newPath); |
} | } |
| |
int Executor::removeFile( | int Executor::removeFile( |
const char* path) | const char* path) |
{ | { |
return _getImpl()->removeFile(path); |
once(&_executorImplOnce, _initExecutorImpl); |
|
return _executorImpl->removeFile(path); |
} | } |
| |
int Executor::startProviderAgent( | int Executor::startProviderAgent( |
const SessionKey& sessionKey, |
|
const char* module, | const char* module, |
int uid, |
const String& pegasusHome, |
int gid, |
const String& userName, |
int& pid, | int& pid, |
SessionKey& providerAgentSessionKey, |
|
AnonymousPipe*& readPipe, | AnonymousPipe*& readPipe, |
AnonymousPipe*& writePipe) | AnonymousPipe*& writePipe) |
{ | { |
return _getImpl()->startProviderAgent(sessionKey, module, |
once(&_executorImplOnce, _initExecutorImpl); |
uid, gid, pid, providerAgentSessionKey, readPipe, writePipe); |
return _executorImpl->startProviderAgent( |
|
module, pegasusHome, userName, pid, readPipe, writePipe); |
} | } |
| |
int Executor::daemonizeExecutor() | int Executor::daemonizeExecutor() |
{ | { |
return _getImpl()->daemonizeExecutor(); |
once(&_executorImplOnce, _initExecutorImpl); |
|
return _executorImpl->daemonizeExecutor(); |
} | } |
| |
int Executor::reapProviderAgent( | int Executor::reapProviderAgent( |
const SessionKey& sessionKey, |
|
int pid) | int pid) |
{ | { |
return _getImpl()->reapProviderAgent(sessionKey, pid); |
once(&_executorImplOnce, _initExecutorImpl); |
|
return _executorImpl->reapProviderAgent(pid); |
} | } |
| |
int Executor::authenticatePassword( | int Executor::authenticatePassword( |
const char* username, | const char* username, |
const char* password, |
const char* password) |
SessionKey& sessionKey) |
|
{ | { |
return _getImpl()->authenticatePassword(username, password, sessionKey); |
once(&_executorImplOnce, _initExecutorImpl); |
|
return _executorImpl->authenticatePassword(username, password); |
} | } |
| |
int Executor::validateUser( | int Executor::validateUser( |
const char* username) | const char* username) |
{ | { |
return _getImpl()->validateUser(username); |
once(&_executorImplOnce, _initExecutorImpl); |
|
return _executorImpl->validateUser(username); |
} | } |
| |
int Executor::challengeLocal( | int Executor::challengeLocal( |
const char* user, | const char* user, |
char path[EXECUTOR_BUFFER_SIZE], |
char challengeFilePath[EXECUTOR_BUFFER_SIZE]) |
SessionKey& sessionKey) |
|
{ | { |
return _getImpl()->challengeLocal(user, path, sessionKey); |
once(&_executorImplOnce, _initExecutorImpl); |
|
return _executorImpl->challengeLocal(user, challengeFilePath); |
} | } |
| |
int Executor::authenticateLocal( | int Executor::authenticateLocal( |
const SessionKey& sessionKey, |
const char* challengeFilePath, |
const char* challengeResponse) |
const char* response) |
{ |
|
return _getImpl()->authenticateLocal(sessionKey, challengeResponse); |
|
} |
|
|
|
int Executor::newSessionKey( |
|
const char username[EXECUTOR_BUFFER_SIZE], |
|
SessionKey& sessionKey) |
|
{ |
|
return _getImpl()->newSessionKey(username, sessionKey); |
|
} |
|
|
|
int Executor::deleteSessionKey( |
|
const SessionKey& sessionKey) |
|
{ | { |
return _getImpl()->deleteSessionKey(sessionKey); |
once(&_executorImplOnce, _initExecutorImpl); |
|
return _executorImpl->authenticateLocal(challengeFilePath, response); |
} | } |
| |
int Executor::refreshPolicy() |
int Executor::updateLogLevel( |
|
const char* logLevel) |
{ | { |
return _getImpl()->refreshPolicy(); |
once(&_executorImplOnce, _initExecutorImpl); |
|
return _executorImpl->updateLogLevel(logLevel); |
} | } |
| |
PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |