77 lines
2.1 KiB
Diff
77 lines
2.1 KiB
Diff
From 5e28cf702ad338e399f8fff0b3fa18736a297318 Mon Sep 17 00:00:00 2001
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From: Sumit Bose <sbose@redhat.com>
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Date: Tue, 21 Aug 2018 13:09:20 +0200
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Subject: [PATCH 3/3] discover: try to get domain name from hostname
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If there is no domain name returned by DHCP check if the hostname
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contains a domain part and use this to discover a realm.
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Related to https://bugzilla.redhat.com/show_bug.cgi?id=1619162
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---
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service/realm-provider.c | 28 +++++++++++++++++++++++++++-
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1 file changed, 27 insertions(+), 1 deletion(-)
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diff --git a/service/realm-provider.c b/service/realm-provider.c
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index d647c7a..258e8e1 100644
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--- a/service/realm-provider.c
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+++ b/service/realm-provider.c
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@@ -28,6 +28,8 @@
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#include <glib/gi18n.h>
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#include <gio/gio.h>
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+#include <errno.h>
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+
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#define TIMEOUT_SECONDS 15
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G_DEFINE_TYPE (RealmProvider, realm_provider, G_TYPE_DBUS_OBJECT_SKELETON);
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@@ -181,6 +183,25 @@ on_discover_complete (GObject *source,
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return_discover_result (method, realms, relevance, error);
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}
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+static gchar *
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+get_domain_from_hostname (void)
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+{
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+ gchar hostname[HOST_NAME_MAX + 1];
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+ gchar *dot;
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+
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+ if (gethostname (hostname, sizeof (hostname)) < 0) {
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+ g_warning ("Couldn't get the computer host name: %s", g_strerror (errno));
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+ return NULL;
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+ }
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+
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+ dot = strchr (hostname, '.');
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+ if (dot != NULL) {
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+ return g_strdup (dot + 1);
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+ }
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+
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+ return NULL;
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+}
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+
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static void
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on_discover_default (GObject *source,
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GAsyncResult *result,
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@@ -195,6 +216,10 @@ on_discover_default (GObject *source,
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g_clear_error (&error);
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}
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+ if (method->string == NULL) {
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+ method->string = get_domain_from_hostname ();
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+ }
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+
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if (method->string) {
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g_strstrip (method->string);
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if (g_str_equal (method->string, "")) {
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@@ -210,7 +235,8 @@ on_discover_default (GObject *source,
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on_discover_complete, method);
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} else {
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- realm_diagnostics_info (method->invocation, "No default domain received via DHCP");
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+ realm_diagnostics_info (method->invocation,
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+ "No default domain received via DHCP or given by hostname");
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return_discover_result (method, NULL, 0, NULL);
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}
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}
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--
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2.17.1
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