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sandboxed-api/oss-internship-2020/curl/examples
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Christian Blichmann 3a95d9df41 Fix cURL example 
Due to a naming mixup in `oss-internship-2020/curl/CMakeLists.txt`, the
necessary `WriteToMemory()` callback was not linked into the sandboxee,
leading to a segfault in the sandboxee when trying to run the
tests/examples.

As another issue, cURL seems to call `sysinfo` and `rt_sigaction` in
recent versions and with recent libc.

Drive-by changes:
- Use the SAPI status macros instead of manually checking `absl::Status`
- Put tests in namespace
- Some Google C++-style fixes
- Start the mock test server only once per test suite

Fixes #72 for cURL.

Signed-off-by: Christian Blichmann <cblichmann@google.com>
2021-01-25 17:01:54 +01:00
..
CMakeLists.txt Copybara import of the project: 2020-09-23 08:00:10 -07:00
example1.cc Fix cURL example 2021-01-25 17:01:54 +01:00
example2.cc Fix cURL example 2021-01-25 17:01:54 +01:00
example3.cc Fix cURL example 2021-01-25 17:01:54 +01:00
example4.cc Fix cURL example 2021-01-25 17:01:54 +01:00
example5.cc Fix cURL example 2021-01-25 17:01:54 +01:00
example6.cc Add namespaces and improve error handling in examples 2020-09-29 13:50:13 +00:00
README.md Copybara import of the project: 2020-09-23 08:00:10 -07:00

README.md

LibCurl Sandbox Examples

Each example in this folder is the sandboxed version of a code snippet from this page on curl's website. These examples perform some basic tasks using libcurl, and can be useful both to understand how to use LibCurl Sandbox, but also to get an idea of how regular and sandboxed code compare to each other.

This is the list of the examples:

  • example1: sandboxed version of simple.c. Really simple HTTP request, downloads and prints out the page at example.com.
  • example2: sandboxed version of getinmemory.c. Same HTTP request as example1. The difference is that this example uses a callback to save the page directly in memory. Only the page size is printed out.
  • example3: sandboxed version of simplessl.c. HTTPS request of the example.com page, using SSL authentication. This script takes 4 arguments (SSL certificates file, SSL keys file, SSL keys password and CA certificates files), and prints out the page.
  • example4: sandboxed version of multi-poll.c. Same HTTP request as example1, with the addition of a polling method that can be used to track the status of the request. The page is printed out after it is downloaded.
  • example5: sandboxed version of multithread.c. Four HTTP request of the pages example.com, example.edu, example.net and example.org, performed at the same time using libcurl's multithreading methods. The pages are printed out.
  • example6: sandboxed version of simple.c. Performs the same tasks as example1, but Sandbox API Transactions are used to show how they can be used to perform a simple request.