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Topic: ...certificate store API returned...

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PRiehmers
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Joined: 05 November 2008
Location: Switzerland
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Posted: 05 November 2008 at 6:58am \| IP Logged

Hi all,

i have a problem with the following code, i doen't know where i can find a "right" error message, to fix this problem

i'm search the hole day (maybe not good enough

)

Here my sourcecode :

Code:

Dim mail As MailMessage = New MailMessage

Try

Dim mailMime As Smime = New Smime

Dim mailer As New Smtp

Dim signCert As Certificate = New Certificate("C:\Inetpub\cert.pfx", CertFileType.Pfx, "password")

mail.From.Email = "pr@mail.com"

mail.To.Add("priehmers@mail.com", "")

mail.Subject = "Test Mail"

mail.BodyPlainText = "Test Mail"

mailer.SmtpServers.Add("smtp.mail.com", "pr@mail.com", "password")

mailer.Message = mailMime.Sign(mail, signCert)

mailer.Send()

Label1.Text = "Mail Send!"

mailer.Dispose()

mail.Dispose()

Catch ex As MailBeeCertificateStoreWin32Exception

Label1.Text = ex.Source & "<br><br>" & ex.Message & "<br><br>" & ex.StackTrace & "<br><br>" & ex.NativeErrorCode

End Try

Here the errormessage:

Source
MailBee.NET

Message
Win32 function related to certificate store API returned an error. See NativeErrorCode property value for more information. The Win32 error code is: -2147024894.

StackTrace
bei MailBee.Security.CertificateStore.a(Byte[] A_0, String A_1) bei MailBee.Security.Certificate.a(Byte[] A_0, String A_1) bei MailBee.Security.Certificate.a(Byte[] A_0, CertFileType A_1, String A_2) bei MailBee.Security.Certificate..ctor(String filename, CertFileType fileType, String pfxFilePassword) bei test.Button1_Click(Object sender, EventArgs e) in C:\Inetpub\test.aspx.vb:Zeile 6. (Line 6)

NativeErrorCode
-2147024894

Line 6 : Dim signCert As Certificate = New Certificate("C:\Inetpub\cert.pfx", CertFileType.Pfx, "password")

I hope you can help me, by this strange error. If you need more information, please let me know.

thanks you much!
Patrick

Igor
AfterLogic Support

Joined: 24 June 2008
Location: United States
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Posts: 6094

Posted: 05 November 2008 at 7:26am \| IP Logged

The error code -2147024894 corresponds to the error message "The system cannot find the file specified."

Please check if you have specified filename properly and if the system can read the file, try setting "Read" permissions to "Everyone" user over the file.

We recommend you to place the certificate file in any other folder, as C:\Inetpub folder is used by IIS and is not intended for storing certificates.

Regards,
Igor

PRiehmers
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Joined: 05 November 2008
Location: Switzerland
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Posts: 10

Posted: 05 November 2008 at 8:03am \| IP Logged

Hi Igor,

thanks for your answer!
I do you tips, create a folder with write/read permissions for the user "everyone" and copy the .pfx file in there. In my code i change the path to it, but i get the "same" errormessage.

Code:

Dim mail As MailMessage = New MailMessage 

Try 

Dim mailMime As Smime = New Smime 

Dim mailer As New Smtp 

Dim signCert As Certificate = New Certificate("C:\certs_files\cert.pfx", CertFileType.Pfx, "password") 

mail.From.Email = "pr@mail.com" 

mail.To.Add("priehmers@mail.com", "") 

mail.Subject = "Test Mail" 

mail.BodyPlainText = "Test Mail" 

mailer.SmtpServers.Add("smtp.mail.com", "pr@mail.com", "password") 

mailer.Message = mailMime.Sign(mail, signCert) 

mailer.Send() 

Label1.Text = "Mail Send!" 

mailer.Dispose() 

mail.Dispose() 

Catch ex As MailBeeCertificateStoreWin32Exception 

Label1.Text = ex.Source & "<br><br>" & ex.Message & "<br><br>" & ex.StackTrace & "<br><br>" & ex.NativeErrorCode 

End Try

NativeErrorCode
-2147024894

do you know, what can be the problem??

thank you very much igor!

patrick

Alex
AfterLogic Support

Joined: 19 November 2003
Online Status: Offline
Posts: 2206

Posted: 05 November 2008 at 8:20am \| IP Logged

Can you read the same file with other methods? For instance, try to read it with System.IO.StreamReader class just prior to "Dim signCert As Certificate = New Certificate" line.

If it cannot be read too, the problem is not linked to MailBee (the file is missing or not accessible).

Regards,
Alex

PRiehmers
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Joined: 05 November 2008
Location: Switzerland
Online Status: Offline
Posts: 10

Posted: 05 November 2008 at 11:36pm \| IP Logged

Hallo Alex,

thanks for your reply, i do, what you write, but the errormessage is still the same. The error is not more an line 6, now line 7.

Code:

Dim mail As MailMessage = New MailMessage 

Try 

Dim mailMime As Smime = New Smime 

Dim mailer As New Smtp 

Dim testobj As New StreamReader("C:\certs_files\cert.pfx")

Dim signCert As Certificate = New Certificate("C:\certs_files\cert.pfx", CertFileType.Pfx, "password") 

mail.From.Email = "pr@mail.com" 

mail.To.Add("priehmers@mail.com", "") 

mail.Subject = "Test Mail" 

mail.BodyPlainText = "Test Mail" 

mailer.SmtpServers.Add("smtp.mail.com", "pr@mail.com", "password") 

mailer.Message = mailMime.Sign(mail, signCert) 

mailer.Send() 

Label1.Text = "Mail Send!" 

mailer.Dispose() 

mail.Dispose() 

Catch ex As MailBeeCertificateStoreWin32Exception 

Label1.Text = ex.Source & "<br><br>" & ex.Message & "<br><br>" & ex.StackTrace & "<br><br>" & ex.NativeErrorCode 

End Try

Without line 7, the mail was send.

thanks for your help,
Patrick

Andrew
AfterLogic Support

Joined: 28 April 2006
Location: United States
Online Status: Offline
Posts: 1189

Posted: 05 November 2008 at 11:56pm \| IP Logged

Have you tried to actually read that file? Something like:

Code:

testobj.Read()

Best regards,
Andrew

PRiehmers
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Joined: 05 November 2008
Location: Switzerland
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Posts: 10

Posted: 06 November 2008 at 12:09am \| IP Logged

Hello Andrew,

yes, its no problem, to open it with the Streamreader class.
Btw, i use the newst version 4.0.2.105, downloaded from you homepage.

thanks,
Patrick

PRiehmers
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Joined: 05 November 2008
Location: Switzerland
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Posts: 10

Posted: 06 November 2008 at 1:21am \| IP Logged

Hi all,

i try something others, what returns the same errormessage/nativecode "-2147024894"

Code:

Dim mail As MailMessage = New MailMessage 

Try 

Dim mailMime As Smime = New Smime 

Dim mailer As New Smtp 

Dim testobj As New StreamReader("C:\certs_files\cert.pfx") 

Dim testCert As Byte() = GetStreamAsByteArray(testobj.BaseStream)

Dim signCert As Certificate = New Certificate("C:\certs_files\cert.pfx", CertFileType.Pfx, "password") 

mail.From.Email = "pr@mail.com" 

mail.To.Add("priehmers@mail.com", "") 

mail.Subject = "Test Mail" 

mail.BodyPlainText = "Test Mail" 

mailer.SmtpServers.Add("smtp.mail.com", "pr@mail.com", "password") 

mailer.Message = mailMime.Sign(mail, signCert) 

mailer.Send() 

Label1.Text = "Mail Send!" 

mailer.Dispose() 

mail.Dispose()

' ----------------

Function GetStreamAsByteArray(ByVal stream As System.IO.Stream) As Byte()

        Dim streamLength As Integer = Convert.ToInt32(stream.Length)

        Dim fileData As Byte() = New Byte(streamLength) {}

        stream.Read(fileData, 0, streamLength)

        stream.Close()

        Return fileData

End Function

I hope it helps, to help me

thank you very much guys.

Patrick

PRiehmers
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Posted: 06 November 2008 at 1:23am \| IP Logged

soorryyy...

WRONG:

Code:

Dim signCert As Certificate = New Certificate("C:\certs_files\cert.pfx", CertFileType.Pfx, "password") 

RIGHT

Code:

Dim signCert As Certificate = New Certificate(testCert, CertFileType.Pfx, "password") 

Andrew
AfterLogic Support

Joined: 28 April 2006
Location: United States
Online Status: Offline
Posts: 1189

Posted: 06 November 2008 at 5:22am \| IP Logged

We couldn't reproduce the issue in our environment with our test PFX files.

Please download this sample application and run runme.bat. It reads the sample pfx file shipped with the application and displays e-mail address the certificate issued to.

If it works fine in your environment, please run the same application with your certificate which causes the issue. To do this, copy your certificate to the application folder and change name and password in the runme.bat with values appropriate for your PFX file.

Please let us know if the same application works fine with your PFX file.

Best regards,
Andrew

PRiehmers
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Location: Switzerland
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Posts: 10

Posted: 06 November 2008 at 5:48am \| IP Logged

Hi Andrew,

I tested your tool with 2 different pfx files and the output was the correct emailaddress of the pfx certs.

Your Tool works correctly with my pfx files.

thank you for your reply.
Patrick

Andrew
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Joined: 28 April 2006
Location: United States
Online Status: Offline
Posts: 1189

Posted: 06 November 2008 at 5:59am \| IP Logged

Please try to remove the reference to MailBee.NET.dll from your project and add a new one to the MailBee.NET.dll you've downloaded along with the sample application. Alternatively, you can download that version here.

Best regards,
Andrew

PRiehmers
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Joined: 05 November 2008
Location: Switzerland
Online Status: Offline
Posts: 10

Posted: 06 November 2008 at 6:04am \| IP Logged

Hi Andrew,

i make a test, with a new created console application, with the same code from my aspx file...and look, its works fine

i think its a ntfs permission problem, but i doen't understand why. The user "everyone" have full-rights of the complete folder-tree!

Ok i look forward to the permission and thank you very very much for your help Andrew, Igor and Alex!!

Have a nice day, greez from Switzerland
Patick

PRiehmers
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Joined: 05 November 2008
Location: Switzerland
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Posts: 10

Posted: 06 November 2008 at 7:52am \| IP Logged

Hey guys,

i come back to you and hope you have some good idea's for my problem.

The errormessage is still the same!

I give my IUSER full control of the complete "inetpub" folder and spezialy to the pfx files. I try to give the Certificate methode not the direct pfx file but i give this methode the byte-array of the pfx file, like my 4th post in this thread.

I try my console application with the permission (runas command) of my spezial IUSER, the same path to the pfx file as in my web application. This works fine and signed my generated email.

Andrew, I do your tipp with the dll, download it and add it in the VS Project.

i'm at the end with my knowledge and hope you have a good idea, what can be wrong there!

thanks very much for your help guys!!

Patrick

Andrew
AfterLogic Support

Joined: 28 April 2006
Location: United States
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Posts: 1189

Posted: 07 November 2008 at 12:56am \| IP Logged

Usually, ASP.NET applications are running under NETWORK SERVICE or ASP.NET system accounts, not under IUSER.

This topic of WebMail Pro ASP.NET FAQ would be helpful to you.

Best regards,
Andrew

PRiehmers
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Joined: 05 November 2008
Location: Switzerland
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Posts: 10

Posted: 07 November 2008 at 4:16am \| IP Logged

Hi all,

really thanks for your help with my email signing problem. I found the solution!

This "little" config-entry in my web.config makes the error:

<identity impersonate="true"/>

Without this entry, its works fine and without problems! I doen't really understand why, but not it works!
If you know the matter, why it doesn't work with this setting, feel free to reply ;)

thanks alot for your help and idea's!!

greez
Patrick

Andrew
AfterLogic Support

Joined: 28 April 2006
Location: United States
Online Status: Offline
Posts: 1189

Posted: 07 November 2008 at 4:28am \| IP Logged

That setting makes your ASP.NET application to run under user account you're currently logged under. I.e. your web browser passes your current identity (username and password hash) from your local machine to IIS which runs the ASP.NET application under that username. That's why granting rights to ASP.NET and NETWORK SERVICE accounts didn't solve the issue.

Best regards,
Andrew

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