FO: Use SRV TTL in fail over code Resolves: https://fedorahosted.org/sssd/ticket/1884 Removes the hardcoded SRV TTL timeout and uses TTL from the DNS instead. Reviewed-by: Pavel Březina <pbrezina@redhat.com>

RESOLV: Add an internal function to read TTL from a DNS packet Related: https://fedorahosted.org/sssd/ticket/1884 Adds an internal resolver function that reads the TTL for SRV records as specified by RFC-2181. Several internal c-ares definitions are used until c-ares contains a function that exposes all this information via a parsing function. Reviewed-by: Pavel Březina <pbrezina@redhat.com>

Make DEBUG macro invocations variadic Use a script to update DEBUG macro invocations to use it as a variadic macro, supplying format string and its arguments directly, instead of wrapping them in parens. This script was used to update the code: grep -rwl --include '*.[hc]' DEBUG . | while read f; do mv "$f"{,.orig} perl -e \ 'use strict; use File::Slurp; my $text=read_file(\*STDIN); $text=~s#(\bDEBUG\s*\([^(]+)\((.*?)\)\s*\)\s*;#$1$2);#gs; print $text;' < "$f.orig" > "$f" rm "$f.orig" done Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Stephen Gallagher <sgallagh@redhat.com> Reviewed-by: Simo Sorce <simo@redhat.com>

failover: check dns_domain if primary servers lookup failed If primary servers lookup failed, dns_domain is not set. Resolves: https://fedorahosted.org/sssd/ticket/2173

Fix formating of variables with type: size_t

fo srv: add priority to fo_server_info This will give SRV plugins all information needed for additional sorting.

resolv_sort_srv_reply: remove unnecessary mem_ctx

Fix czech specific character in my name

fix dead code in fail_over_srv.c https://fedorahosted.org/sssd/ticket/1969 The dead code is in fo_discover_servers_primary_done(). By fixing it I have also added a debug message on ret != EOK. This change is done also in fo_discover_servers_backup_done().

fo_discover_servers_send: don't crash when backup_domain is NULL

dns srv plugin: compare domain names case insensitive

add fo_discover_servers request This request takes discovery domain for primary servers and other domain for backup servers and returns list of primary and backup servers. If primary domain is not reachable, it returns servers found in backup domain as primary servers.

DNS sites support - SRV DNS lookup plugin https://fedorahosted.org/sssd/ticket/1032 This plugin mimics the current behaviour. If discovery_domain is set it is the only domain that is tried. If discovery_domain is not set, we try to autodetect domain first and if that fails or SRV lookup on this domain fails, we fallback to SSSD domain name.