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Syntax for WNetCachePassword() and WNetGetCachedPassword()

Posted on 1999-01-07
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Last Modified: 2013-12-03
Does anybody know the prototypes for WNetCachePassword() and WNetGetCachedPassword() for Windows 95? They are undocumented functions exported by mpr.dll for modifying .PWL files.
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Question by:eppsman
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LVL 17

Expert Comment

by:inthe
ID: 1418307
hi ,
is this of any help ,Here are two functions for setting/getting a netware password in the pwl file:

CString CNovell::GetPwd(CString szServer)
{
      char pbPassword[100];
      LPSTR p;
      DWORD ret;
      WORD cbPassword = sizeof(pbPassword);
      
      ret = WNetGetCachedPassword((LPSTR)(LPCSTR) szServer,
szServer.GetLength(), pbPassword, &cbPassword, (BYTE)18);
      if (ret == 0) {
            try {
                  p = pbPassword;
                  p += (strlen(pbPassword) +1);
                  return (p);
            }catch(...) {
                  return "";
            }
      }
      else
            return "";
}

void CNovell::SetPwd(LPBYTE lpDataSites)
{
      DWORD cbUserPwd;
      ULONG dwRet;
      LPSTR lpUserID, lpPwd,p, lpServer;
      LPSTR lpUserPwd = new char[1000];
      LPSITEDATA pDataSites;
      pDataSites = (LPSITEDATA) lpDataSites;
      CString szBuf;
      pDataSites->NovellUserID.TrimRight();
      //pDataSites->NovellServer.TrimRight();
      pDataSites->NovellRemoteDevice.TrimRight();
      pDataSites->NovellPassword.TrimRight();

      if (pDataSites->NovellPassword == "")
            return;

      // extract novell server from the remote path
      try {
            szBuf = pDataSites->NovellRemoteDevice;
            szBuf = szBuf.Mid(2); // skip "\\"
            szBuf = szBuf.Left(szBuf.Find("\\"));
            lpServer = (LPSTR)(LPCSTR)szBuf;
      }
      catch(...){
            return;
      }

      //lpServer = (LPSTR)(LPCSTR)pDataSites->NovellServer;
      lpPwd = (LPSTR)(LPCSTR)pDataSites->NovellPassword;
      lpUserID = (LPSTR)(LPCSTR)pDataSites->NovellUserID;

      strcpy(lpUserPwd, lpUserID);
      strcat(lpUserPwd, " ");
      strcat(lpUserPwd, lpPwd);
      cbUserPwd = strlen(lpUserPwd);
      p=strstr(lpUserPwd, " ");
      if (p)
            *p=0;
      else {
            delete lpUserPwd;
            return;
      }

      dwRet = WNetRemoveCachedPassword(lpServer, strlen(lpServer), (BYTE)18);
      dwRet = WNetCachePassword(lpServer, strlen(lpServer),
                        lpUserPwd, cbUserPwd, (BYTE) 18, 0);

      delete lpUserPwd;
Regards Barry

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Author Comment

by:eppsman
ID: 1418308
What is the meaning of the 18 sent to the functions? Is this just a unique identifier? What does the final 0 do for WNetCachePassword()? If you can tell me these things, you can propose it as an answer, and I'll give it grade A. Thanks!
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LVL 17

Accepted Solution

by:
inthe earned 50 total points
ID: 1418309
hi,
(#define CPW_MEMORYONLY  0x01 First for fnFlags)
The  0 is for fnFlags(final parameter) if you want the password stored permanently in the cache.
Use 1 if you want password kept only for the duration of the login.
The nType(18) is the type of password resource. Type 18 means a netware account and password.

WNetCachePassword(LPCSTR pbResource,
                  WORD  cbResource,
                  LPCSTR pbPassword,
                  WORD  cbPassword,
                  BYTE  nType,
                  UINT  fnFlags);

WNetGetCachedPassword(LPCSTR  pbResource,
                      WORD   cbResource,
                      LPSTR  pbPassword,
                      LPWORD pcbPassword,
                      BYTE   nType);

Regards Barry

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Author Comment

by:eppsman
ID: 1418310
What other types besides NetWare are available?
Also, do you have the prototype for WNetRemoveCachedPassword()?
If you do, I will adjust the points, since that was not part of the original question.

Thanks in advance.

0
 

Author Comment

by:eppsman
ID: 1418311
Oh, I can see the prototype for WNetRemoveCachedPassword on your first code sample - never mind that. I would still like to know what other password types besides NetWare are available. Thanks.
0
 
LVL 17

Expert Comment

by:inthe
ID: 1418312
I wish i could tell you more but sorry everything above was all i had on the subject and i tried win95 ddk on msdn but it's not there anymore or at least the texts that used to be there are'nt :-(
i also scanned net and newsgroups and could find nothing we dont already know .it seems to be one subject that is hard to get info about i thought being unsupported there would be plenty of people talking bout it on the net somewhere .

this quoted text below is is all i could get that may be of assistance :

"You need to get hold of the win 95 ddk, in their you will find netmpr.h header file which will show the cached headers. DDK will also give you some brief descriptions of the functions."

hope you find what you need
Regards Barry
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Author Comment

by:eppsman
ID: 1418313
I'll check that out. Thanks.
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