* Service support has been added to getaddrinfo.
* ares_parse_a/aaaa_record now share code with the addrinfo parser.
* Private ares_addrinfo structure with useful extensions such as ttls (including cname ttls),
as well as the ability to list multiple cnames in chain of lookups
Work By: Andrew Selivanov @ki11roy
This is a port of RFC 6724 compliant sorting function from Android Bionic project:
e919b116d3/libc/netbsd/net/getaddrinfo.c
The latest version is essentially the same, except two additional parameters to test connection with (mark/uid):
https://android.googlesource.com/platform/bionic/+/master/libc/dns/net/getaddrinfo.c
Please note that even that version has some restrictions. It doesn't support some rules from RFC 6724:
Rule 3 (Avoid deprecated addresses)
Rule 4 (Prefer home addresses)
Rule 7 (Prefer native transport)
Submitted By: Andrew Selivanov (@ki11roy)
Initial implementation for ares_getaddrinfo(). It is NOT compliant with RFC6724, though
it is expected to come closer to conformance prior to the next release.
Features not supported include sorted addresses and honoring of service and hints
parameters.
Implementation by: Christian Ammer (@ChristianAmmer)
Fixes issue #207. Uses LinkProperties.getDomains() to get a list of search domains and adds them to the suffix list. This also adds a new helper function to split strings into an array based on multiple delimiters replacing multiple other functions for dealing with string splitting.
Submitter: John Schember (@user-none)
Fixes: #207
Approved-by: Brad House (@bradh352)
Some docs aren't installed or not showing up on
https://c-ares.haxx.se/docs.html
due to not being listed in Makefile.inc. Add missing docs and
ensure docs are alphabetized.
As of Android 8 (Oreo) access to net.dns# has been removed (https://developer.android.com/about/versions/oreo/android-8.0-changes.html). The reasoning given is that it, "improves privacy on the platform". Currently c-ares uses this to get the list of DNS servers.
Now the only way to access the DNS server list is by using the Connectivity Manager though Java. This adds the necessary JNI code to use the Connectivity Manager and pull the DNS server list. The old way using __system_property_get with net.dns# remains for compatibilty.
Using the Connectivity Manager requires the ACCESS_NETWORK_STATE permission to be set on the app. Existing applications most likely are not setting this and keeping the previous method as a fallback will at the very least ensure those apps don't break on older versions of Android. They will need to add this permission for Android 8 compatibility.
Included in the patch are two initalization functions which are required. The JVM must be registered as well as the Connectivity Manager itself. There is no way to get the Connectivity Manager except though Java. Either being passed down to C directly or by passing in an Android Context which can be used to get the Connectivity Manager. Examples are provided in the documentation.
This function sets a callback that is invoked after the socket is
created, but before the connection is established. This is an ideal
time to customize various socket options.
Add user-visible entrypoints ares_{get,set}_servers_ports(3), which
take struct ares_addr_port_node rather than struct ares_addr_node.
This structure includes a UDP and TCP port number; if this is set
to zero, the channel-wide port values are used as before.
Similarly, add a new ares_set_servers_ports_csv(3) entrypoint, which
is analogous to ares_set_servers(3) except it doesn't ignore any
specified port information; instead, any per-server specified port
is used as both the UDP and TCP port for that server.
The internal struct ares_addr is extended to hold the UDP/TCP ports,
stored in network order, with the convention that a value of zero
indicates that the channel-wide UDP/TCP port should be used.
For the internal implementation of ares_dup(3), shift to use the
_ports() version of the get/set functions, so port information is
transferred correctly to the new channel.
Update manpages, and add missing ares_set_servers_csv to the lists
while we're at it
Allow explicit configuration of the channel's sortlist, by
specifying a string in the same format as the equivalent
/etc/resolv.conf option.
This allows library users to perform the same configuration
that is available via /etc/resolv.conf, but without needing
to change that file.
Make sure that the symbols are always exported and present in c-ares.
Make the headers prefixed with 'ares'.
Removed the inet_ntop.h version as it no longer features any content.
I need to do SOA queries, so here is a parser for them.
- ares_soa_reply: new struct
- ares_malloc_data/ares_free_soa: ARES_DATATYPE_SOA_REPLY
- ares_parse_soa_reply: actual function
ares_parse_txt_reply() current version:
- Fixed a couple of potential double free's.
- Fixed memory leaks upon out of memory condition.
- Fixed pointer arithmetic.
- Setting ntxtreply to zero upon entry for all failure cases.
- Changed data type to size_t for variables substr_len, str_len and
the length member of ares_txt_reply struct.
- Avoided a couple of memcpy() calls.
- Changed i data type to unsigned int to prevent compiler warnings.
- Adjusted a comment.
- Use ARES_SUCCESS literal for successfull completion.
- Added CVS Id tag.
Andrew Selivanov
Christian Ammer
Brad House
John Schember
Daniel Stenberg
Andrew Ayer
David Drysdale
Gregor Jasny
Alex Loukissas
hpopescu@ixiacom.com
Marko Kreen
saghul
Yang Tse
Jérémy Lal
Gisle Vanem