pi-lock | A RFID solution for Access Control and Management | Authorization library

by pbernasconi JavaScript Version: Current License: No License

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kandi X-RAY | pi-lock Summary

pi-lock is a JavaScript library typically used in Security, Authorization applications. pi-lock has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

A RFID solution for Access Control and Management. Pi-Lock is an automated door Security System built around the Raspberry Pi. Using a RFID reader and PIN entry system, access to buildings, departments and rooms is controlled in a secure, efficient, and cost-minimizing system.

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Support

pi-lock has a low active ecosystem.

It has 96 star(s) with 29 fork(s). There are 19 watchers for this library.

It had no major release in the last 6 months.

There are 2 open issues and 1 have been closed. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of pi-lock is current.

Quality

pi-lock has 0 bugs and 0 code smells.

Security

pi-lock has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

pi-lock code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

pi-lock does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

pi-lock releases are not available. You will need to build from source code and install.

pi-lock saves you 716 person hours of effort in developing the same functionality from scratch.

It has 1655 lines of code, 35 functions and 30 files.

It has high code complexity. Code complexity directly impacts maintainability of the code.

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pi-lock Key Features

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pi-lock Examples and Code Snippets

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Community Discussions

Trending Discussions on pi-lock

In Windows 3.1 WinAPI How To Lock A File?

Pass mongoose data into an angular 4 component 'detail' page?

QUESTION

In Windows 3.1 WinAPI How To Lock A File?

Asked 2019-Jul-15 at 09:07

I was trying to run Visual Basic 4 (16-bit) in Windows 3.1 running within DosBox. However it failed to launch with error:

SHARE.exe must be installed in order to run Visual Basic

Some old MS-DOS applications just check for existence of the EXE and it's presence in autoexec.bat, but in this case the EXE exists, but the error still occurs.

Running on Windows 7 32-bit and using a debugger attached to NTVDM.exe I found the following process is used:

A Temp file is created with GetTempFilename
Call to LockFile API
Call to UnlockFile API

When I set a breakpoint at return of LockFile API and faked a faliure (returned false) On Windows 7 I got the same error message "SHARE.exe must be installed in order to run Visual Basic"

However within the VB.exe I can't find any reference to LOCKFILE API, so I suspect NTVDM.exe is translating it somehow.

The APIs that seem potentially related in the import table of VB.exe are:

Kernel!OPENFILE
Kernel!_LWRITE
Kernel!_LREAD
Kernel!_LOPEN
Kernel!_LLSEEK
Kernel!_LCREAT
Kernel!_LCLOSE
OLE2!OLELOCKRUNNING
Kernel!LOCKRESOURCE
Kernel!LOCKSEGMENT

I am trying to work out how the lock / unlock file test is done so I can try to remediate within DosBox and create my own test program to replicate in C or VB.

...

ANSWER

Answered 2019-Jul-15 at 09:07

SHARE.exe must be installed in order to run Visual Basic

SHARE.EXE works as Terminate and Stay Resident kind of program. So it existence is not enough. It must be run, to hook into system and intercept some requests.

SHARE.EXE intercepts DOS Interupt (0x21) and DOS Multiplex Interrupt (0x2F).

In 0x21 interrupt code 0x5c handles locking and unlocking files

http://www.techhelpmanual.com/530-dos_fn_5c00h__lock_file_access.html

LockFile 5c00h
Expects:
AX 5c00H
BX file handle
CX:DX file offset from start of file (CX * 65536)+DX
SI:DI length in bytes of region to lock (SI * 65536)+DI
Returns: AX error code if CF is set to CY

This function locks access to a region of the file identified by the file handle in BX. The region of the file that begins at file logical offset CX:DX extending for a length of SI:DI is locked ...

http://www.techhelpmanual.com/531-dos_fn_5c01h__unlock_file_access.html

UnlockFile 5c01h
Expects:
AX 5c01H
BX file handle
CX:DX file offset from start of file (CX * 65536)+DX
SI:DI length in bytes of region to lock (SI * 65536)+DI
Returns: AX error code if CF is set to CY

This function unlocks access to a region of the file which was previously locked...

You could also check 5dh functions marked mostly as internal.

Implementation in Free DOS:

https://sourceforge.net/p/freedos/svn/HEAD/tree/kernel/trunk/kernel/dosfns.c
see DosLockUnlock function
https://sourceforge.net/p/freedos/svn/HEAD/tree/kernel/trunk/share/share.c

Looking at vDos source code could help if you plan to bring this funcionality to Dos Box

https://sourceforge.net/projects/vdos/files/Version%202015.04.10/

However within the VB.exe I can't find any reference to LOCKFILE API

I'm not sure if LockFile existed in Win16 (probably not), but there is possibility that sharing API is called directly through DOS interrupts.

I suspect NTVDM.exe is translating it somehow

I don't know it for sure, but I would assume that it intercepts DOS interrupts and uses Win32 API calls to simulate needed behavior.

I am trying to work out how the lock / unlock file test is done so I can try to remediate within DosBox and create my own test program to replicate in C or VB

I would try to log INT 21h and INT 2Fh calls in DOS Box.

Source https://stackoverflow.com/questions/57028383

QUESTION

Pass mongoose data into an angular 4 component 'detail' page?

Asked 2017-May-25 at 04:43

I'm very new to angular 4 and mongoose and I'm not even positive I'm doing this correctly. I have a page where I list out schools. I'm able to add the schools to the database and when I click on one of the names (school.name) I have it go to a detail page. I have the route set up like { path: 'api/schools/:id', component: SchoolDetailComponent } in the html template on the tag I have routerLink="/api/schools/{{school._id}}" which successfully loads the url http://localhost:3000/api/schools/592641e61e4e76cfda292b4a with the correct id number(obviously specific to any element.) What I'm not sure is how to load the info for that particular element into the detail page.

schools schema:

...

ANSWER

Answered 2017-May-25 at 04:43

try with activatedRoute.snapshot.params['id'];

Source https://stackoverflow.com/questions/44172215

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install pi-lock

You can download it from GitHub.

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