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2 Commits

Author SHA1 Message Date
Simone Basso
080abf90d9
feat(dnsovergetaddrinfo): collect the CNAME (#876) 
* feat(dnsovergetaddrinfo): collect the CNAME

This diff modifies how dnsovergetaddrinfo.go works such that the
returned DNSResponse includes the CNAME.

Closes https://github.com/ooni/probe/issues/2226.

While there, recognize that we can remove getaddrinfoLookupHost and
always call getaddrinfoLookupANY everywhere. (This simplification is
why we did https://github.com/ooni/probe-cli/pull/874.)

* fix: extra debugging because of failing CI

Everything is OK locally (on macOS). However, maybe things are a bit
different on GNU/Linux perhaps?

Here's the error:

```
--- FAIL: TestPass (0.11s)
    resolver_test.go:113: unexpected rcode
FAIL
coverage: 95.7% of statements
FAIL	github.com/ooni/probe-cli/v3/internal/cmd/jafar/resolver	0.242s
```

I'm a bit confused because jafar's resolver is _unrelated_. But actually this
error never occurred again after a committed the debugging diff.
 2022-08-23 13:53:08 +02:00
Simone Basso
cf6dbe48e0
netxlite: call getaddrinfo and handle platform-specific oddities (#764) 
This commit changes our system resolver to call getaddrinfo directly when CGO is enabled. This change allows us to:

1. obtain the CNAME easily

2. obtain the real getaddrinfo retval

3. handle platform specific oddities such as `EAI_NODATA`
returned on Android devices

See https://github.com/ooni/probe/issues/2029 and https://github.com/ooni/probe/issues/2029#issuecomment-1140258729 in particular.

See https://github.com/ooni/probe/issues/2033 for documentation regarding the desire to see `getaddrinfo`'s retval.

See https://github.com/ooni/probe/issues/2118 for possible follow-up changes.
 2022-05-28 15:10:30 +02:00