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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:37:38 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:37:38 +0000 |
commit | ae581a19fbe896a797450b9d9573fb66f2735227 (patch) | |
tree | 56c40be8518a29c9351364d13a9676aa83932dc0 /plugins/python/python_plugin_group.c | |
parent | Initial commit. (diff) | |
download | sudo-upstream.tar.xz sudo-upstream.zip |
Adding upstream version 1.9.13p3.upstream/1.9.13p3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | plugins/python/python_plugin_group.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/plugins/python/python_plugin_group.c b/plugins/python/python_plugin_group.c new file mode 100644 index 0000000..b1514c7 --- /dev/null +++ b/plugins/python/python_plugin_group.c @@ -0,0 +1,114 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2019-2020 Robert Manner <robert.manner@oneidentity.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include "python_plugin_common.h" + +static struct PluginContext plugin_ctx; + +extern struct sudoers_group_plugin group_plugin; + +#define PY_GROUP_PLUGIN_VERSION SUDO_API_MKVERSION(1, 0) + +#define CALLBACK_PLUGINFUNC(func_name) group_plugin.func_name +#define CALLBACK_CFUNC(func_name) python_plugin_group_ ## func_name + +// This also verifies compile time that the name matches the sudo plugin API. +#define CALLBACK_PYNAME(func_name) ((void)CALLBACK_PLUGINFUNC(func_name), #func_name) + + +static int +python_plugin_group_init(int version, sudo_printf_t sudo_printf, char *const plugin_options[]) +{ + debug_decl(python_plugin_group_init, PYTHON_DEBUG_CALLBACKS); + + if (version < SUDO_API_MKVERSION(1, 0)) { + sudo_printf(SUDO_CONV_ERROR_MSG, + "Error: Python group plugin requires at least plugin API version 1.0\n"); + debug_return_int(SUDO_RC_ERROR); + } + + int rc = SUDO_RC_ERROR; + + rc = python_plugin_register_logging(NULL, sudo_printf, NULL); + if (rc != SUDO_RC_OK) + debug_return_int(rc); + + rc = python_plugin_init(&plugin_ctx, plugin_options, (unsigned int)version); + if (rc != SUDO_RC_OK) + debug_return_int(rc); + + PyObject *py_version = NULL, + *py_plugin_options = NULL, + *py_kwargs = NULL; + + if ((py_kwargs = PyDict_New()) == NULL || + (py_version = py_create_version(PY_GROUP_PLUGIN_VERSION)) == NULL || + (py_plugin_options = py_str_array_to_tuple(plugin_options)) == NULL || + PyDict_SetItemString(py_kwargs, "args", py_plugin_options) != 0 || + PyDict_SetItemString(py_kwargs, "version", py_version)) + { + py_log_last_error("Failed to construct arguments for plugin constructor call."); + rc = SUDO_RC_ERROR; + } else { + rc = python_plugin_construct_custom(&plugin_ctx, py_kwargs); + } + + Py_XDECREF(py_version); + Py_XDECREF(py_plugin_options); + Py_XDECREF(py_kwargs); + debug_return_int(rc); +} + +static void +python_plugin_group_cleanup(void) +{ + debug_decl(python_plugin_group_cleanup, PYTHON_DEBUG_CALLBACKS); + PyThreadState_Swap(plugin_ctx.py_interpreter); + python_plugin_deinit(&plugin_ctx); +} + +static int +python_plugin_group_query(const char *user, const char *group, const struct passwd *pwd) +{ + debug_decl(python_plugin_group_query, PYTHON_DEBUG_CALLBACKS); + + PyThreadState_Swap(plugin_ctx.py_interpreter); + + PyObject *py_pwd = py_from_passwd(pwd); + if (py_pwd == NULL) { + debug_return_int(SUDO_RC_ERROR); + } + + int rc = python_plugin_api_rc_call(&plugin_ctx, CALLBACK_PYNAME(query), + Py_BuildValue("(zzO)", user, group, py_pwd)); + Py_XDECREF(py_pwd); + + debug_return_int(rc); +} + +sudo_dso_public struct sudoers_group_plugin group_plugin = { + GROUP_API_VERSION, + CALLBACK_CFUNC(init), + CALLBACK_CFUNC(cleanup), + CALLBACK_CFUNC(query) +}; |