tests: add initial gssapi test using stub implementation

The stub implementation is pre-loaded using LD_PRELOAD
and emulates common gssapi uses (only builds if curl is
initially built with gssapi support).

The initial tests are currently disabled for debug builds
as LD_PRELOAD is not used then.

Ref: https://github.com/curl/curl/pull/1687

1 files changed, 183 insertions, 0 deletions

diff --git a/tests/libtest/stub_gssapi.h b/tests/libtest/stub_gssapi.h
new file mode 100644
index 000000000..9a302f0f5
--- /dev/null
+++ b/tests/libtest/stub_gssapi.h
@@ -0,0 +1,183 @@
+#ifndef HEADER_CURL_GSSAPI_STUBS_H
+#define HEADER_CURL_GSSAPI_STUBS_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* Roughly based on Heimdal's gssapi.h */
+
+#include <stdint.h>
+#include <stddef.h>
+
+#define GSS_ERROR(status) (status & 0x80000000)
+
+#define GSS_S_COMPLETE 0
+#define GSS_S_FAILURE (0x80000000)
+#define GSS_S_CONTINUE_NEEDED (1ul)
+
+#define GSS_C_QOP_DEFAULT 0
+#define GSS_C_NO_OID ((gss_OID) 0)
+#define GSS_C_NO_NAME ((gss_name_t) 0)
+#define GSS_C_NO_BUFFER ((gss_buffer_t) 0)
+#define GSS_C_NO_CONTEXT ((gss_ctx_id_t) 0)
+#define GSS_C_NO_CREDENTIAL ((gss_cred_id_t) 0)
+#define GSS_C_NO_CHANNEL_BINDINGS ((gss_channel_bindings_t) 0)
+
+#define GSS_C_NULL_OID GSS_C_NO_OID
+
+#define GSS_C_EMPTY_BUFFER {0, NULL}
+
+#define GSS_C_AF_INET 2
+
+#define GSS_C_GSS_CODE 1
+#define GSS_C_MECH_CODE 2
+
+#define GSS_C_DELEG_FLAG 1
+#define GSS_C_MUTUAL_FLAG 2
+#define GSS_C_REPLAY_FLAG 4
+#define GSS_C_CONF_FLAG 16
+#define GSS_C_INTEG_FLAG 32
+
+/*
+ * Expiration time of 2^32-1 seconds means infinite lifetime for a
+ * credential or security context
+ */
+#define GSS_C_INDEFINITE 0xfffffffful
+
+#define GSS_C_NT_HOSTBASED_SERVICE NULL
+
+typedef uint32_t OM_uint32;
+
+typedef OM_uint32 gss_qop_t;
+
+typedef struct gss_buffer_desc_struct {
+  size_t length;
+  void *value;
+} gss_buffer_desc, *gss_buffer_t;
+
+struct gss_cred_id_t_desc_struct;
+typedef struct gss_cred_id_t_desc_struct *gss_cred_id_t;
+typedef const struct gss_cred_id_t_desc_struct *gss_const_cred_id_t;
+
+struct gss_ctx_id_t_desc_struct;
+typedef struct gss_ctx_id_t_desc_struct *gss_ctx_id_t;
+typedef const struct gss_ctx_id_t_desc_struct *gss_const_ctx_id_t;
+
+struct gss_name_t_desc_struct;
+typedef struct gss_name_t_desc_struct *gss_name_t;
+typedef const struct gss_name_t_desc_struct *gss_const_name_t;
+
+typedef struct gss_OID_desc_struct {
+  OM_uint32 length;
+  void      *elements;
+} gss_OID_desc, *gss_OID;
+
+typedef struct gss_channel_bindings_struct {
+  OM_uint32 initiator_addrtype;
+  gss_buffer_desc initiator_address;
+  OM_uint32 acceptor_addrtype;
+  gss_buffer_desc acceptor_address;
+  gss_buffer_desc application_data;
+} *gss_channel_bindings_t;
+
+OM_uint32 gss_release_buffer(OM_uint32 * /*minor_status*/,
+                             gss_buffer_t /*buffer*/);
+
+OM_uint32 gss_init_sec_context(OM_uint32 * /*minor_status*/,
+            gss_const_cred_id_t /*initiator_cred_handle*/,
+            gss_ctx_id_t * /*context_handle*/,
+            gss_const_name_t /*target_name*/,
+            const gss_OID /*mech_type*/,
+            OM_uint32 /*req_flags*/,
+            OM_uint32 /*time_req*/,
+            const gss_channel_bindings_t /*input_chan_bindings*/,
+            const gss_buffer_t /*input_token*/,
+            gss_OID * /*actual_mech_type*/,
+            gss_buffer_t /*output_token*/,
+            OM_uint32 * /*ret_flags*/,
+            OM_uint32 * /*time_rec*/);
+
+OM_uint32 gss_delete_sec_context(OM_uint32 * /*minor_status*/,
+                                 gss_ctx_id_t * /*context_handle*/,
+                                 gss_buffer_t /*output_token*/);
+
+OM_uint32 gss_inquire_context(OM_uint32 * /*minor_status*/,
+                              gss_const_ctx_id_t /*context_handle*/,
+                              gss_name_t * /*src_name*/,
+                              gss_name_t * /*targ_name*/,
+                              OM_uint32 * /*lifetime_rec*/,
+                              gss_OID * /*mech_type*/,
+                              OM_uint32 * /*ctx_flags*/,
+                              int * /*locally_initiated*/,
+                              int * /*open_context*/);
+
+OM_uint32 gss_wrap(OM_uint32 * /*minor_status*/,
+                   gss_const_ctx_id_t /*context_handle*/,
+                   int /*conf_req_flag*/,
+                   gss_qop_t /*qop_req*/,
+                   const gss_buffer_t /*input_message_buffer*/,
+                   int * /*conf_state*/,
+                   gss_buffer_t /*output_message_buffer*/);
+
+OM_uint32 gss_unwrap(OM_uint32 * /*minor_status*/,
+                     gss_const_ctx_id_t /*context_handle*/,
+                     const gss_buffer_t /*input_message_buffer*/,
+                     gss_buffer_t /*output_message_buffer*/,
+                     int * /*conf_state*/,
+                     gss_qop_t * /*qop_state*/);
+
+OM_uint32 gss_seal(OM_uint32 * /*minor_status*/,
+                   gss_ctx_id_t /*context_handle*/,
+                   int /*conf_req_flag*/,
+                   int /*qop_req*/,
+                   gss_buffer_t /*input_message_buffer*/,
+                   int * /*conf_state*/,
+                   gss_buffer_t /*output_message_buffer*/);
+
+OM_uint32 gss_unseal(OM_uint32 * /*minor_status*/,
+                     gss_ctx_id_t /*context_handle*/,
+                     gss_buffer_t /*input_message_buffer*/,
+                     gss_buffer_t /*output_message_buffer*/,
+                     int * /*conf_state*/,
+                     int * /*qop_state*/);
+
+OM_uint32 gss_import_name(OM_uint32 * /*minor_status*/,
+                          const gss_buffer_t /*input_name_buffer*/,
+                          const gss_OID /*input_name_type*/,
+                          gss_name_t * /*output_name*/);
+
+OM_uint32 gss_release_name(OM_uint32 * /*minor_status*/,
+                           gss_name_t * /*input_name*/);
+
+OM_uint32 gss_display_name(OM_uint32 * /*minor_status*/,
+                           gss_const_name_t /*input_name*/,
+                           gss_buffer_t /*output_name_buffer*/,
+                           gss_OID * /*output_name_type*/);
+
+OM_uint32 gss_display_status(OM_uint32 * /*minor_status*/,
+                             OM_uint32 /*status_value*/,
+                             int /*status_type*/,
+                             const gss_OID /*mech_type*/,
+                             OM_uint32 * /*message_context*/,
+                             gss_buffer_t /*status_string*/);
+
+#endif /* HEADER_CURL_GSSAPI_STUBS_H */
+