Mac Os Library Extension

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  • 2020-4-6  Access Library Folder On Mac. The Library Folder on your Mac contains Preference Files, Caches, and Application Support Data. While regular Mac users may not find the need to access the Hidden Library Folder, advanced Mac users will at times come across the need to access files inside the Library Folder for troubleshooting and other purposes.
  • Nov 14, 2019 Find and install an extension: Open Safari and choose Safari Safari Extensions from the menu bar. The App Store opens to the Safari Extensions page, as pictured above. To download and install an extension, click Get or click the price.
  • The default file extension that SWIG on Mac produces is.so file as follows. G -arch i386 -bundle -undefined suppress -flatnamespace example.o examplewrap.o -o libexample.so However, I have no problem with -o libexample.dylib in terms of making and running the result.

2020-3-23  Is there any way I can access the files that are used for the alert sounds found in system preferences? For example, in OS X 10.6.6, there are different sounds. Starting with.NET Core 2.0 SDK, you don't have to run dotnet restore because it's run implicitly by all commands that require a restore to occur, such as dotnet new, dotnet build and dotnet run.It's still a valid command in certain scenarios where doing an explicit restore makes sense, such as continuous integration builds in Azure DevOps Services or in build systems that need to. 2013-12-6  假設您已經有簡單的概念後,我們知道,其實Mac的驅動程式就是 Kernel Extension,也就是硬體相對應的.kext 檔案,我無法告訴妳哪裡一定找的到相容的kext可以用,但是可以提供个下载.

Technical Note TN2459

macOS High Sierra 10.13 introduces a new feature that requires user approval before loading new third-party kernel extensions. This feature will require changes to some apps and installers in order to preserve the desired user experience. This technote is for developers who ship kernel extensions to users and system administrators who need to install kernel extensions.

Introduction

macOS High Sierra 10.13 introduces a new feature that requires user approval before loading newly-installed third-party kernel extensions (KEXTs). When a request is made to load a KEXT that the user has not yet approved, the load request is denied. Apps or installers that treat a KEXT load failure as a hard error will need to be changed to handle this new case.

Approval is automatically granted to third-party KEXTs that were already present when upgrading to macOS High Sierra.

Note that approval doesn't guarantee that a KEXT is compatible and won't panic the system. The reason this feature exists is to give users more control over what KEXTs will load, which should reduce the number of panics.

In-Depth Explanation

This feature enforces that only kernel extensions approved by the user will be loaded on a system. When a request is made to load a KEXT that the user has not yet approved, the load request is denied and macOS presents the alert shown in Figure 1.

This prompts the user to approve the KEXT in System Preferences > Security & Privacy as shown in Figure 2.

This approval UI is only present in the Security & Privacy preferences pane for 30 minutes after the alert. Until the user approves the KEXT, future load attempts will cause the approval UI to reappear but will not trigger another user alert.

The alert shows the name of the developer who signed the KEXT so the user has some information to decide whether to approve the KEXT. This name comes from the Subject Common Name field of the Developer ID Application certificate used to sign the KEXT. Because of this, developers are encouraged to provide an appropriate company name when requesting KEXT signing identities.

When the user approves a KEXT, they are at the same time approving these other KEXTs signed by the same Team ID:

  • If the approved KEXT is located in an application's bundle, all other KEXTs signed by the same Team ID in the same application's bundle are also approved.

  • If the approved KEXT is located in the app's sub-directory inside /Library/Application Support, all other KEXTs signed by the same Team ID found in that same sub-directory are also approved.

  • All KEXTs in /Library/Extensions signed by the same Team ID are also approved.

Once approved, the KEXT will immediately be loaded or added to the prelinked kernel cache, depending on what action was blocked. Subsequent requests to load the KEXT will proceed silently as on previous macOS versions.

Approved KEXTs are tracked in a system-wide policy database through the team identifier in the KEXT's code signature and the bundle identifier from the KEXT's Info.plist, so updating a KEXT that has already been approved will not trigger a new approval request.

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How This Affects KEXT Developers

Installers and applications that load kernel extensions may need to be revised to gracefully handle the kernel extension failing to load. Many products treat a KEXT loading failure as a hard failure. Some prompt the user to reinstall, some present a cryptic error message, and some simply don't function.

Starting with macOS High Sierra, installers and apps that load KEXTs should expect that KEXT loading will fail if the user hasn't approved their KEXT. Instead of treating this as an error, the user should be informed that they may need to approve the KEXT.

To determine if a KEXT has failed to load because it does not have user approval:

  • If you are using kextutil or kextload, check for the exit code 27. In addition, kextutil will produce the error message System policy prevents loading the kernel extension.

  • If you are using the KextManager APIs in IOKit/kext/KextManager.h, check for the result code kOSKextReturnSystemPolicy.

How This Affects Enterprise App Distribution

For enterprise deployments where it is necessary to distribute software that includes kernel extensions without requiring user approval, there are two options:

  • If your workflow is based on imaging, boot into Recovery OS and use the spctl kext-consent command. For detailed information about the spctl command, run the command spctl help. This command can either disable the user approval requirement completely or specify a list of Team IDs whose KEXTs may be loaded without user approval. The spctl command works in any installation environment, including Recovery OS and from NetBoot/NetInstall/NetRestore images.

    Note that the Team ID list maintained by spctl is separate from the system-wide policy database.

  • For workflows that leverage Mobile Device Management (MDM), please see the AppleCare support article Prepare for changes to kernel extensions in macOS High Sierra.

To reiterate, all third-party KEXTs that were already installed at the time of upgrading to macOS High Sierra are automatically approved and don't require any user action.


Document Revision History


DateNotes
2018-04-19

Updated for MDM changes in macOS 10.13.4.

2017-09-08

Updated for macOS High Sierra beta 8.

2017-08-04

Updated for macOS High Sierra beta 4.

2017-07-12

Updated for macOS High Sierra beta 3.

2017-06-19

New document that describes the user-approved kernel extension loading feature introduced in macOS High Sierra.




Copyright © 2018 Apple Inc. All Rights Reserved. Terms of Use Privacy Policy Updated: 2018-04-19

23 23 likes 34,569 views Last modified Nov 14, 2018 9:09 AM

OS X El Capitan and the newer versions of MacOS X support third-party tools that are accessible right in the Photos app. If a photo editing application offers Photo Editing extensions, you can use editing tools provided by the application from the Edit panel in Photos. Don't expect the photo editing extensions to offer the full functionality of the hosting applications. The extensions provide only a subset of the tools of the stand-alone versions, but have a much more user friendly user interface, since the extensions have been designed to offer one tool.

Below is a list of the extensions I have tried so far. To search for more extensions see:

  • Affinity Photos: If you already own the Affinity Photos application, you have access to these six extensions:
    • Edit in Affinity Photos: This extension is giving you access to the full Affinity application
    • Affinity Develop: The basic photometric adjustments of a photo - noise reduction, exposure, shadows&highlights, white balance, contrast, ..
    • Affinity Haze Removal: A very easy to use haze removal filter
    • Affinity Miniature: A depth of field effect
    • Affinity Liquify: Change the shape of regions
    • Affinity Monochrome: Turn color photos into monochrome or black&white photos
    • Affinity Retouch: A versatile retouch tool, including in-painting.
  • Aurora HDR 2018 and 2019: It provides a collection of powerful HDR presets, a great companion to Luminar 2018.
  • BeFunky: A basic set of portrait adjustments: Skin smoothing and skin tone, teeth brighten, eye brighten, HDR. All is automatic, there is not much control over the adjustments.
  • Color Filters for Photos: Color filters for a cinematic effects, and brushes to touch up selected areas with color splashes, dodge and burn, etc, very precisely.
  • DxO Optics Pro for Photos: A versatile RAW processor for Photos, fixes lens distortion, chromatic aberration, noise reduction, sharpening, .. It does not yet support many RAW formats, but the list is getting longer daily.
  • External Editors: This app extension will open any external image editor you have installed directly from Photos, and thus will give you access to the full functionality of your image editors, not just the tools provided as app extensions. It is the doorway to Photoshop, Pixelmator, Gimp, the NIK plug-ins, whatever you have installed.
  • Focus CK: Beautiful Depth of field effects
  • FX Photo Studio CK: Plenty of effects and frames
  • Graphic Converter 10: Edit with Graphic Converter 10 - essentially open the photo on Graphic Converter 10 for editing
  • Insta Beauty: Easy tools for retouching a face: Skin smoothing, Eye brightening, eye enlargement, pouch removal, teeth whitening.
  • Intensify CK: Noise reduction, HDR, intensify effects for Black&White, landscape, architecture, ..
  • Luminar: Edit in Luminar will open Luminar for editing the Photo.
  • Noiseless CK: A great noise reduction tool
  • Photolemur 3: A fully automatic image enhancer, uses artificial intelligence to recognize the important objects in the photo, like faces, the sky, vegetation, and improves them
  • Picktorial: Open the Picktorial Image editor (Have not tested it yet)
  • Pixelmator Distort: Distort the shape of regions.
  • Pixelmator Retouch: Recently added. Versatile retouching brushes - cloning, repairing by in-painting, blurring, sharpening, dodging and burning.
  • Snapheal CK: Retouching and image restauration tools
  • Super Borders: Frame the photo with borders. Most borders require an in-app purchase.
  • Tonality CK: Presets for turning color photos into monochrome photos
  • Watermarker Tool: Define watermark defaults in the stand-alone version of the application, then add them to your photos using the photo editing extension. I found the workflow not very intuitive.

If you are interested in FX Photo Studio and Focus, buy the CK versions. The versions without CK in the name do not provide the Photo Editing extension. The CK versions are directly available from MacPhun's website.

To use the photo editing extension, install the apps, launch them once, then enable the extensions in the System Preferences > Extensions. Relaunch Photos, and you can now use the extensions from the Edit panel in Photos.

Recently added Photo editing extensions that I did not yet try. These are available from the AppStore:

  • Stamp Photos Extension: it will add multiple texts or watermarks to a photo with different values of transparency or fonts.
  • Perspective Photos Extension: Straighten or deskew photos and graphics - use affine transforms or perspective correction.
  • Vintage Photos Extension: add grain or different types of paper or surface to your photos.
  • HighDR Photos Extension: HDR effects for a single photo. You can apply the effect to selected spots or the full image.
  • Edge Photos Extension: Add and design arbitrarily shaped borders, and make the borders transparent, so your photo has a custom shape.
  • Hay Photo: Custom designed filters and adjustments, turn your photo into a pencil sketch
Extension

This page explains how to use the extensions: Edit your photos using third-party extensions in Photos for OS X - Apple Support

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Some extensions cannot open original files in HEIC format, important for photos taken with an iPhone 7 or newer. In that case use the 'External editors' extension to call the application and pass the images converted to TIFF or JPEG.

Mac nginx configure error ssl modules require the openssl library. We will create a configuration snippet containing strong SSL settings that can be used with any certificates in the future.