86e356b7ee
Create a utility function to copy a hostcode local buffer into the sandboxee. This combines the following steps into one API call:
1) Create a SAPI variable backed with the hostcode local buffer
2) Allocate the SAPI variable in the sandboxee's memory space
3) Transfer the SAPI variable into the sandboxee's memory space
The function returns a `std::unique_ptr` wrapped `sapi:✌️:RemotePtr` which points to the address of the buffer in the sandboxee's memory space.
PiperOrigin-RevId: 611151615
Change-Id: Ie5012bf17826614395d2056d560689fd9e429d75
Copyright 2019-2023 Google LLC
What is Sandboxed API?
The Sandboxed API project (SAPI) makes sandboxing of C/C++ libraries less burdensome: after initial setup of security policies and generation of library interfaces, a stub API is generated, transparently forwarding calls using a custom RPC layer to the real library running inside a sandboxed environment.
Additionally, each SAPI library utilizes a tightly defined security policy, in contrast to the typical sandboxed project, where security policies must cover the total syscall/resource footprint of all its libraries.
Documentation
Developer documentation is available on the Google Developers site for Sandboxed API.
There is also a Getting Started guide.
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