[PATCH v2 4/6] gssd: add new routine for generating a hostbased principal in a gss_buffer_t

[Jeff Layton <jlayton@redhat.com>]

We'll need a gss_buffer_t to pass to the downcall marshalling code.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
---
 utils/gssd/gss_names.c | 15 +++++++++++++++
 utils/gssd/gss_names.h |  2 ++
 2 files changed, 17 insertions(+)

diff --git a/utils/gssd/gss_names.c b/utils/gssd/gss_names.c
index aa61e4d7a851..047069de1755 100644
--- a/utils/gssd/gss_names.c
+++ b/utils/gssd/gss_names.c
@@ -121,3 +121,18 @@ out_rel_buf:
 out_err:
 	return res;
 }
+
+void
+get_hostbased_client_buffer(gss_name_t client_name, gss_OID mech,
+			    gss_buffer_t buf)
+{
+	char *hname;
+
+	if (!get_hostbased_client_name(client_name, mech, &hname)) {
+		buf->length = strlen(hname) + 1;
+		buf->value = hname;
+	} else {
+		buf->length = 0;
+		buf->value = NULL;
+	}
+}
diff --git a/utils/gssd/gss_names.h b/utils/gssd/gss_names.h
index 1d5f49c1c1d2..ce182f7985f3 100644
--- a/utils/gssd/gss_names.h
+++ b/utils/gssd/gss_names.h
@@ -32,3 +32,5 @@
 
 extern int get_hostbased_client_name(gss_name_t client_name, gss_OID mech,
 					char **hostbased_name);
+extern void get_hostbased_client_buffer(gss_name_t client_name,
+			gss_OID mech, gss_buffer_t buf);
-- 
1.9.0