Clean up k5buf_to_gss helper

k5buf_to_gss was used in only one place (generic_gss_oid_to_str),
where we want to include the terminating null byte in the GSS buffer.
Remove that assumption from the helper, and instead explicitly append
the null byte to the buffer before translating.

2 files changed, 3 insertions, 5 deletions

diff --git a/src/lib/gssapi/generic/gssapiP_generic.h b/src/lib/gssapi/generic/gssapiP_generic.h
index 3fb0c76227..63b7bf4da6 100644
--- a/src/lib/gssapi/generic/gssapiP_generic.h
+++ b/src/lib/gssapi/generic/gssapiP_generic.h
@@ -277,7 +277,7 @@ k5buf_to_gss(OM_uint32 *minor,
 {
     OM_uint32 status = GSS_S_COMPLETE;
     char *bp = krb5int_buf_data(input_k5buf);
-    output_buffer->length = krb5int_buf_len(input_k5buf)+1;
+    output_buffer->length = krb5int_buf_len(input_k5buf);
 #if defined(_WIN32) || defined(DEBUG_GSSALLOC)
     if (output_buffer->length > 0) {
         output_buffer->value = gssalloc_malloc(output_buffer->length);
diff --git a/src/lib/gssapi/generic/oid_ops.c b/src/lib/gssapi/generic/oid_ops.c
index ff5096d604..665b5902f4 100644
--- a/src/lib/gssapi/generic/oid_ops.c
+++ b/src/lib/gssapi/generic/oid_ops.c
@@ -238,7 +238,6 @@ generic_gss_oid_to_str(OM_uint32 *minor_status,
     OM_uint32           number;
     OM_uint32 i;
     unsigned char       *cp;
-    char                *bp;
     struct k5buf        buf;
 
     if (minor_status != NULL)
@@ -271,9 +270,8 @@ generic_gss_oid_to_str(OM_uint32 *minor_status,
             number = 0;
         }
     }
-    krb5int_buf_add(&buf, "}");
-    bp = krb5int_buf_data(&buf);
-    if (bp == NULL) {
+    krb5int_buf_add_len(&buf, "}\0", 2);
+    if (krb5int_buf_data(&buf) == NULL) {
         *minor_status = ENOMEM;
         return(GSS_S_FAILURE);
     }