Add initial failover support for ldap and ipa

The retun values are still not directly used with ldap libraries that still do
their own name resolution, but this patch introduces a very basic framework to
have a multiple providers in one domain use and share a single failover
service if they want to.

3 files changed, 9 insertions, 2 deletions

diff --git a/server/providers/krb5/krb5_auth.h b/server/providers/krb5/krb5_auth.h
index 54ce2b8b8..7851ebbaf 100644
--- a/server/providers/krb5/krb5_auth.h
+++ b/server/providers/krb5/krb5_auth.h
@@ -52,6 +52,8 @@ struct krb5child_req {
     bool is_offline;
 };
 
+struct fo_service;
+
 struct krb5_ctx {
     /* opts taken from kinit */
     /* in seconds */
@@ -76,7 +78,9 @@ struct krb5_ctx {
     char* k4_cache_name;
 
     action_type action;
+
     struct dp_option *opts;
+    struct krb_server *server;
     int child_debug_fd;
 };
 
diff --git a/server/providers/krb5/krb5_common.c b/server/providers/krb5/krb5_common.c
index 30878de34..6c235364e 100644
--- a/server/providers/krb5/krb5_common.c
+++ b/server/providers/krb5/krb5_common.c
@@ -50,8 +50,7 @@ errno_t check_and_export_options(struct dp_option *opts,
 
     dummy = dp_opt_get_cstring(opts, KRB5_KDC);
     if (dummy == NULL) {
-        DEBUG(1, ("No KDC configured, "
-                  "using kerberos defaults from /etc/krb5.conf"));
+        DEBUG(2, ("No KDC expicitly configured, using defaults"));
     } else {
         ret = setenv(SSSD_KRB5_KDC, dummy, 1);
         if (ret != EOK) {
diff --git a/server/providers/krb5/krb5_common.h b/server/providers/krb5/krb5_common.h
index cb60f425f..42b003735 100644
--- a/server/providers/krb5/krb5_common.h
+++ b/server/providers/krb5/krb5_common.h
@@ -50,6 +50,10 @@ enum krb5_opts {
     KRB5_OPTS
 };
 
+struct krb_server {
+    char *address;
+};
+
 errno_t check_and_export_options(struct dp_option *opts,
                                  struct sss_domain_info *dom);