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From 09fd8246f25dbfb80db638a0dd8f2fe4c1fba957 Mon Sep 17 00:00:00 2001
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From: Jakub Hrozek <jhrozek@redhat.com>
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Date: Mon, 25 Jun 2018 13:03:38 +0200
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Subject: [PATCH] AD: expose the helper function to format the site DNS query
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This function will be used later in the patchset. Instead of exposing
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the format constant, expose the function that builds the DNS query for
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site discovery.
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Related:
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https://pagure.io/SSSD/sssd/issue/3291
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Reviewed-by: Sumit Bose <sbose@redhat.com>
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(cherry picked from commit 29bbc8e017f2d9b98667890a9b7056128a93e572)
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DOWNSTREAM:
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Resolves: rhbz#1416528 - sssd in cross realm trust configuration should be able to use AD KDCs from a client site defined in sssd.conf or a snippet
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---
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src/providers/ad/ad_srv.c | 21 +++++++++++++++------
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src/providers/ad/ad_srv.h | 4 ++++
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2 files changed, 19 insertions(+), 6 deletions(-)
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diff --git a/src/providers/ad/ad_srv.c b/src/providers/ad/ad_srv.c
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index 4fa1668605e131b2e31802b1401f49fc6e00a23b..5fd25f60e8bf38c3952823601593515b6c703284 100644
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--- a/src/providers/ad/ad_srv.c
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+++ b/src/providers/ad/ad_srv.c
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@@ -38,6 +38,13 @@
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#define AD_SITE_DOMAIN_FMT "%s._sites.%s"
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+char *ad_site_dns_discovery_domain(TALLOC_CTX *mem_ctx,
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+ const char *site,
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+ const char *domain)
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+{
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+ return talloc_asprintf(mem_ctx, AD_SITE_DOMAIN_FMT, site, domain);
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+}
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+
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static errno_t ad_sort_servers_by_dns(TALLOC_CTX *mem_ctx,
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const char *domain,
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struct fo_server_info **_srv,
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@@ -154,8 +161,8 @@ static struct tevent_req *ad_get_dc_servers_send(TALLOC_CTX *mem_ctx,
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DEBUG(SSSDBG_TRACE_FUNC, "Looking up domain controllers in domain "
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"%s and site %s\n", discovery_domain, site);
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- domains[0] = talloc_asprintf(state, AD_SITE_DOMAIN_FMT,
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- site, discovery_domain);
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+ domains[0] = ad_site_dns_discovery_domain(domains,
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+ site, discovery_domain);
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if (domains[0] == NULL) {
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ret = ENOMEM;
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goto immediately;
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@@ -775,9 +782,10 @@ static void ad_srv_plugin_site_done(struct tevent_req *subreq)
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if (strcmp(state->service, "gc") == 0) {
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if (state->forest != NULL) {
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if (state->site != NULL) {
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- primary_domain = talloc_asprintf(state, AD_SITE_DOMAIN_FMT,
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- state->site,
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- state->forest);
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+ primary_domain = ad_site_dns_discovery_domain(
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+ state,
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+ state->site,
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+ state->forest);
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if (primary_domain == NULL) {
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ret = ENOMEM;
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goto done;
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@@ -791,7 +799,8 @@ static void ad_srv_plugin_site_done(struct tevent_req *subreq)
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}
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} else {
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if (state->site != NULL) {
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- primary_domain = talloc_asprintf(state, AD_SITE_DOMAIN_FMT,
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+ primary_domain = ad_site_dns_discovery_domain(
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+ state,
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state->site,
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state->discovery_domain);
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if (primary_domain == NULL) {
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diff --git a/src/providers/ad/ad_srv.h b/src/providers/ad/ad_srv.h
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index fddef686762e57bb95d648247131d39a797aa516..e553d594d77ad99f806af9634c2817754a80d4f5 100644
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--- a/src/providers/ad/ad_srv.h
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+++ b/src/providers/ad/ad_srv.h
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@@ -49,4 +49,8 @@ errno_t ad_srv_plugin_recv(TALLOC_CTX *mem_ctx,
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struct fo_server_info **_backup_servers,
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size_t *_num_backup_servers);
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+char *ad_site_dns_discovery_domain(TALLOC_CTX *mem_ctx,
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+ const char *site,
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+ const char *domain);
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+
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#endif /* __AD_SRV_H__ */
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--
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2.17.1
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