Сущность технологии СОМ. Библиотека программиста   ::   Бокс Дональд

while (_getws(wszStmt))

{

hr = pcs->Say(wszStmt);

if (FAILED(hr))

Error(hr, «Say»);

}

// tear down connection for event sink

pcs->Unadvise(dwReg);

}

else

Error(hr, «Advise»);

// release chat session

pcs->Release();

}

else

Error(hr, «FindSession»);

}

// run delete command

void Delete(const OLECHAR *pwszSession,

IChatSessionManager *pcsm)

{

HRESULT hr = pcsm->DeleteSession(pwszSession);

if (FAILED(hr))

Error(hr, «DeleteSession»);

}

// run list command

void List(IChatSessionManager *pcsm)

{

IEnumString *pes = 0;

HRESULT hr = pcsm->GetSessionNames(&pes);

if (SUCCEEDED(hr))

{

printf(«Active Sessions:\n»);

PrintAllStrings(pes);

pes->Release();

}

}

int main(int argc, char **argv)

{

// declare client control state

bool bAnonymous = false;

static OLECHAR wszSessionName[1024];

static OLECHAR wszDomainName[1024];

static OLECHAR wszUserName[1024];

static OLECHAR wszPassword[1024];

static OLECHAR wszHostName[1024];

COSERVERINFO csi = { 0, wszHostName, 0, 0 };

COSERVERINFO *pcsi = 0;

COAUTHIDENTITY cai = {

wszUserName,

0,

wszDomainName,

0,

wszPassword,

0,

SEC_WINNT_AUTH_IDENTITY_UNICODE

};

static COAUTHIDENTITY *pcai = 0;

static ACTION action = ACTION_NONE;

// parse command line

for (int i = 1; i < argc; i++)

{

if (strcmp(argv[i], «/anonymous») == 0)

bAnonymous = true;

else if (strstr(argv[i], «/delete:») == argv[i])

{

if (action != ACTION_NONE)

return Usage();

action = ACTION_DELETE_SESSION;

mbstowcs(wszSessionName, argv[i] + 8, 1024);

}

else if (strstr(argv[i], «/chat:») == argv[i])

{

if (action != ACTION_NONE)

return Usage();

action = ACTION_CHAT;

mbstowcs(wszSessionName, argv[i] + 6, 1024);

}

else if (strcmp(argv[i], «/sessions») == 0)

{

if (action != ACTION_NONE)

return Usage();

action = ACTION_LIST_SESSION_NAMES;

}

else if (strstr(argv[i], «/host:») == argv[i])

{

if (pcsi != 0)

return Usage();

mbstowcs(wszHostName, argv[i] + 6, 1024);

pcsi = &csi;

}

else if (strstr(argv[i], «/password:») == argv[i])

{

mbstowcs(wszPassword, argv[i] + 10, 1024);

cai.PasswordLength = wcslen(wszPassword);

}

else if (strstr(argv[i], «/user:») == argv[i])

{

if (pcai != 0 || bAnonymous)

return Usage();

char *pszDelim = strchr(argv[i] + 7, '\\');

if (pszDelim == 0)

return Usage();

*pszDelim = 0;

pszDelim++;

mbstowcs(wszDomainName, argv[i] + 6, 1024);

cai.DomainLength = wcslen(wszDomainName);

mbstowcs(wszUserName, pszDelim, 1024);

cai.UserLength = wcslen(wszUserName);

pcai = &cai;

}

}

if (action == ACTION_NONE)

return Usage();

HRESULT hr = CoInitializeEx(0, COINIT_MULTITHREADED);

if (FAILED(hr))

return hr;

// allow anonymous callbacks from chat server

hr = CoInitializeSecurity(0, -1, 0, 0,

RPC_C_AUTHN_LEVEL_NONE,

RPC_C_IMP_LEVEL_ANONYMOUS,

0, EOAC_NONE, 0);

if (SUCCEEDED(hr))

{

// grab the requested session manager

IChatSessionManager *pcsm = 0;

hr = CoGetClassObject(CLSID_ChatSession, CLSCTX_ALL,

pcsi, IID_IChatSessionManager,

(void**)&pcsm);

if (SUCCEEDED(hr))

{

// apply security blanket if desired

if (!bAnonymous)

hr = CoSetProxyBlanket(pcsm, RPC_C_AUTHN_WINNT,

RPC_C_AUTHZ_NONE, 0,

RPC_C_AUTHN_LEVEL_PKT,

RPC_C_IMP_LEVEL_IDENTIFY,

pcai, EOAC_NONE);

// dispatch request

switch (action)

{

case ACTION_CHAT:

Chat(wszSessionName, pcsm, pcai, bAnonymous);

break;

case ACTION_DELETE_SESSION:

Delete(wszSessionName, pcsm);

break;

case ACTION_LIST_SESSION_NAMES:

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