Hecht, borland delphi technical support group this paper is targeted to developers who wish an example of interfacing to the windows application programming interface api. I have considered this but i have opened the ide with another delphi app already open and had it go boom without even attempting to run the app. Call win32check with the return value of a windows api call that returns a boolean to indicate success or failure. Jwscl is open source and can be downloaded from sourceforge as a. Checks the return value of a windows api call and raises an appropriate exception when it indicates failure. Net application is slower than win32 native applicaiton or it is delphi for. Find answers to logonuser api call from from the expert community at experts exchange. Another solution to this is to use a standard webform in conjunction with a windows api, logonuser. The impersonateloggedonuser function lets the calling thread impersonate the security context of a loggedon user.
Functiondiscovery article the function discovery api can be used not just for enumerate devices also you can receive notifications as well, like when a device is added, removed or a property of the device is modified. Win32api lets you set a custom icon for any window, change the name of your 4d application in the title bar and task bar, customize file open and save dialogs, get information from the regional settings. Impersonation supports logonuser, lsalogonuser lots more full. The logonuser api has been available and documented since windows nt 3. Oct 15, 2008 web resources about win32 api embarcadero. By continuing to use pastebin, you agree to our use of cookies as described in the cookies policy. I ve been using win api calls for dynamically impersonating user accounts with v1. Impersonating principals on windows python cookbook book. You can retrieve the current user name by calling the above win32 api function. This code details how to impersonate a logged on user. Others have suggested using the logonuser api function.
Windows api in general windows programming windows. Web resources about calling createprocessasuser from a service lphi. The logonuser function attempts to log a user on to the local computer. Easy to use winapi msgwaitformultipleobjects functions. This sounds nice, but unfortunatly the calling user sometimes needs a.
According to microsoft msdn, before calling logonuser, i have set a few tokenprivileges, such as setcbprivilege and sesecurityprivilege by calling adjusttokenprivileges. Mar 17, 2017 a guide to developing delphi programs in windows api without the use of the vcl. The jwa library aims to provide a conversion from c to delphi of as. Logonuser method and the administrative privilegies. How to validate credentials against active directory. The lookupaccountname function accepts the name of a system and an account as input. This api is available on windows nt, windows 2000, and windows xp. It can be some other type of module for example, msdos or os2 if the appropriate subsystem is available on the. Does anyone have a delphi example using the createprocessasuser api call. This is the cheapest way to handle exceptions in threads. Im am trying this difficult way, i d like to launch a process from service with reateprocessasuser api, with 2 simple rows i have the process. Feb 16, 2008 usually, the token returned from logonuser is a primary token which can be used to create processes as another user, using the createprocessasuser api. Im flattered to see my adsisearch component mentioned here.
Delphi 5 was used for the examples here, but since this is api, many of the delphi versions can use this code. Incorrect password passed to logonuser but the active directory account is not locked as expected. Is there some series of flags that will allow logonuser to return a token useable for impersonation of a local user when the computer is not connected to a network but all accounts already exist l. Dear all, im trying to run an application from a service, im using shellexecute function, when i do so the application run but its main form never appears, when i set the allow service to interact with desktop option the service, the windows appear after i click on the notification message, witch is not good how can i make the application start full with its form from service. Dec 23, 2003 does anyone have a delphi example using the createprocessasuser api call. Before we go into details, lets note than console applications is another kind of windows application the one which has all access to win api, but has no gui and runs in text mode. Once you find the api or apis you need to call, you can then consult your delphi help file. Find answers to authentication with logonuser lib advapi32. Delphi controls ms office applications 17433 how to have an exe file delete itself 17089 execute and wait for termination 16 and 32bit applications 16837. The logonuser api is a function found in the advapi32.
For the wrapper, take a look at the unit tests in testwrapper. The windows authentication prompt can often be an intimidating dialog for users. Retrieves the calling threads lasterror code value. The windows api is a collection of functions that are exported by the dlls that make up windows. To change the session, use the settokeninformation function. Sep, 2012 this is the part 3 of the exploring delphi xe3 winapi additions winapi. Free online programming course for intermediateadvanced delphi developers. The windows services for netware service pack 2 offers two updates for download. Getcurrentusername function is a wraparound to simplify calling getusername in delphi. For more information about connecting to services remotely, see services and rpctcp. Im pretty sure not doing any delphi work anymore myself that theres an implementation of that floating around somewhere probably in the jvcl library or.
Net security hi, when i make a call to this api it works fine on my pc but not on another development pc. Sep 23, 2010 this code details how to impersonate a logged on user. You cannot use logonuser to log on to a remote computer. I have the ide set up to open with the last app worked.
We use cookies for various purposes including analytics. Useful delphi snippets collected by the delphi basics team. If youre just interested in the api, the lua manual is the best place to start. Is there some series of flags that will allow logonuser to return a token useable for impersonation of a local user when the computer is not connected to a network but all accounts already exist locally i have the domain account executing the app. One of the nice features of the function discovery api is the posibility of filter the results for device enumeration, for this you must use the createinstancecollectionquery method and then add the conditions for the query using the addpropertyconstraint method. Logonuser win api call vs sspi call delphi knowledge base. Win32api is a plugin for 4th dimension that lets your windows applications take advantage of windowsspecific features that are not exposed by native 4th dimension commands. Jedi windows security code library project jedi wiki delphi jedi. Aug 19, 2009 the page that you linked to shows the better way.
Find answers to need win32 api for nt2k userpassword validation from the expert community at experts exchange. Freelibrary api call kills mdi form when calling dll. Unfortunately, there are some restrictions on using logonuser that are not always convenient to satisfy. Logonuser and createprocessasuser interactive from service. Find answers to calling encryptiondecryption function from advapi32. Best place to see examples on how to use win32 api. Net code to one of our web servers windows 2003 server and that w. On my development machine windows 2000, visual studio. Net v2 and the call to the win32 api logonuser method is. Depending on which one is open, the ide sometimes wont open with the app.
Looks pretty tough to find the appropriate user token. This is the part 2 of the exploring delphi xe3 winapi additions winapi. Create a named mutex and check it in each application instance. I think the problem is the computer and the accounts, because with an old account it doesnt work but if we copy the privileges of the account to a new account it works fine, so i dont know which is the problem with all of this. The download for this article contains a sample webform and the. Net is slower than delphi win32 native applicaiton. Calling encryptiondecryption function from advapi32. Logonuser method and the administrative privilegies codeproject. Free online programming course for intermediateadvanced. It retrieves a security identifier sid for the account and the name of the domain on which the account was found. Best place to see examples on how to use win32 api function in delphi posted in pascal and delphi. The win32 logonuser function attempts to log a user on to the local computer. In this article we will learn how to write console application in delphi.
Win32 api i tried to start a process in service session session 0. The function adjusttokenprivileges is finished successfully, but logonuser always returned a message a required privilege is not held by the client. We both have the same os and we both have local admin rights. Logonuser api call from solutions experts exchange. Logonuser returns a handle to a user token that you can use to. A guide to developing delphi programs in windows api without the use of the vcl. Versions of 32bit delphi before 4, in versions 2 and 3, have their integer type as a 16bit type, so it will be nessary to change the integer type here to 32bit longint type, and change the 16bit cardinal type to 32bit dword. Net is supposed to take over the world someday, but were not there yet. May you just use the administrator for executing some methods.
The local computer is the computer from which logonuser was called. The impersonation lasts until the thread exits or until it calls the reverttoself api. Need win32 api for nt2k userpassword validation solutions. Sep 27, 2003 another solution to this is to use a standard webform in conjunction with a windows api, logonuser. Logonuser returns a handle to a user token that you can use to impersonate user. Describes error codes 01699 defined in the winerror. I tried to start a process in service session session 0. Jwscl is open source and can be downloaded from sourceforge as a package or from. Anybody else able to successfully call web services from delphi xe5 for android. Same project running under win32, web service calls perfectly. To let multiple instances run if they are in different directories you would modify the example code. By default, this is the same session that called logonuser. The logonuser function is defined in the microsoft platform sdk as follows. The windows api, informally winapi, is microsofts core set of application programming.