curl/tests/libtest/Makefile.am
Viktor Szakats 73840836a5
tests: move GSS-API dynamic stub into debug-mode libcurl
Replace the `libstubgss.so`-based overload solution with one built into
libcurl at compile-time.

The previous, `LD_PRELOAD`-based, solution was non-portable, allowlisted
for Linux, BSD and Solaris. It also required non-debug builds, which
turned out to be an accidental condition:
7d342c723c. It also required a curl tool
built against a shared libcurl. Detecting this condition wasn't always
accurate, e.g. with certain cmake configurations.

The overload solution also didn't work on macOS, though it theoretically
should have:
- #17653
- #2394

Experiments on making the overload solution work in more envs:
- #17759
  That revealed that it also did not work on NetBSD, in CI.

The replacement solution is overloading the necessary GSS-API functions
for test 2056 and 2057 at compile time. It requires a debug-enabled curl
build (due to its insecure nature).

This makes these tests run on all platforms. Including most GSS jobs in
CI, that are running tests. (the exception is old-linux, non-debug jobs,
where it felt overkill to enable debug for this.)

The refactored GSS stub code needs to overload less than before because
it's free to use the official GSS API. (This didn't work with
the overload solution on Alpine for example). It can also use libcurl
functions, allowing to replace `snprintf()` with `msnprintf()`.

OS/400 is also overloading GSS API functions. I haven't tested how this
works after this PR. In theory it should, because this PR doesn't rely
on preprocessor overrides.

Note that for future GSS tests, it may be necessary to stub these GSS
API functions: `gss_inquire_context()`, `gss_unwrap()`, `gss_wrap()`.
They are on codepaths not (yet) touched by tests.

Also:
- stub-gss: check for token buffer overrun.
- stub-gss: replace size macros with `sizeof()`.
- GHA: enable debug for some jobs with GSS.
- GHA/linux: ignore results for 2056 and 2057 in the valgrind job.
  They leak the same way as seen with 2077 and 2078.
  Ref: 7020ba7979 #17462
  Ref: 146759716c #14430
- GHA/linux: fix to ignore `gss_import_name()` leaks in valgrind builds.
  only.
- lib/vauth/krb5_gssapi: reduce variable scope.
- lib/vauth/spnego_gssapi: reduce variable scope.
- tests/libtest: drop code and build logic dealing with `libstubgss`.
- runtests:
  - drop `ld_preload` feature.
  - drop special handling of `LD_PRELOAD` env in tests.
  - drop logic dealing with shared curl tool detection.
  - drop `LD_PRELOAD` envs from tests.

Follow-up to 56d949d31a #1687

Closes #17752
2025-07-01 00:17:15 +02:00

96 lines
3.4 KiB
Makefile

#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) 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.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.
#
# SPDX-License-Identifier: curl
#
###########################################################################
AUTOMAKE_OPTIONS = foreign nostdinc
# Specify our include paths here, and do it relative to $(top_srcdir) and
# $(top_builddir), to ensure that these paths which belong to the library
# being currently built and tested are searched before the library which
# might possibly already be installed in the system.
#
# $(top_srcdir)/include is for libcurl's external include files
# $(top_builddir)/lib is for libcurl's generated lib/curl_config.h file
# $(top_srcdir)/lib for libcurl's lib/curl_setup.h and other "borrowed" files
# $(srcdir) for the generated bundle source to find included test sources
AM_CPPFLAGS = -I$(top_srcdir)/include \
-I$(top_builddir)/lib \
-I$(top_srcdir)/lib \
-I$(srcdir) \
-I$(top_srcdir)/tests/unit
# Get BUNDLE, FIRST_C, FIRST_H, UTILS_C, UTILS_H, CURLX_C, TESTS_C variables
include Makefile.inc
EXTRA_DIST = CMakeLists.txt $(FIRST_C) $(FIRST_H) $(UTILS_C) $(UTILS_H) $(TESTS_C) \
test307.pl test610.pl test613.pl test1013.pl test1022.pl mk-lib1521.pl
CFLAGS += @CURL_CFLAG_EXTRAS@
# Prevent LIBS from being used for all link targets
LIBS = $(BLANK_AT_MAKETIME)
if USE_CPPFLAG_CURL_STATICLIB
AM_CPPFLAGS += -DCURL_STATICLIB
endif
if DEBUGBUILD
AM_CPPFLAGS += -DDEBUGBUILD
endif
if CURLDEBUG
AM_CPPFLAGS += -DCURLDEBUG
endif
AM_CPPFLAGS += -DCURL_NO_OLDIES -DCURL_DISABLE_DEPRECATION
if USE_CPPFLAG_CURL_STATICLIB
curlx_c_lib =
else
# These are part of the libcurl static lib. Add them here when linking shared.
curlx_c_lib = $(CURLX_C)
endif
$(BUNDLE).c: $(top_srcdir)/scripts/mk-unity.pl Makefile.inc $(FIRST_C) $(UTILS_C) $(curlx_c_lib) $(TESTS_C) lib1521.c
@PERL@ $(top_srcdir)/scripts/mk-unity.pl --include $(UTILS_C) $(curlx_c_lib) --test $(TESTS_C) lib1521.c > $(BUNDLE).c
noinst_PROGRAMS = $(BUNDLE)
LDADD = $(top_builddir)/lib/libcurl.la
CLEANFILES = $(BUNDLE).c lib1521.c
lib1521.c: $(top_srcdir)/tests/libtest/mk-lib1521.pl $(top_srcdir)/include/curl/curl.h
@PERL@ $(top_srcdir)/tests/libtest/mk-lib1521.pl < $(top_srcdir)/include/curl/curl.h lib1521.c
CHECKSRC = $(CS_$(V))
CS_0 = @echo " RUN " $@;
CS_1 =
CS_ = $(CS_0)
# ignore generated C files since they play by slightly different rules!
checksrc: lib1521.c
$(CHECKSRC)(@PERL@ $(top_srcdir)/scripts/checksrc.pl -D$(srcdir) \
-W$(srcdir)/$(BUNDLE).c \
$(srcdir)/*.[ch])
if NOT_CURL_CI
all-local: checksrc
endif
clean-local:
rm -f $(BUNDLE)