Adding upstream version 1.9.16p2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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1342 changed files with 621215 additions and 0 deletions
276
plugins/python/python_plugin_io.c
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276
plugins/python/python_plugin_io.c
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/*
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* SPDX-License-Identifier: ISC
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*
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* Copyright (c) 2019-2020 Robert Manner <robert.manner@oneidentity.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* This is an open source non-commercial project. Dear PVS-Studio, please check it.
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* PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
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*/
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#include "python_plugin_common.h"
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struct IOPluginContext
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{
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struct PluginContext base_ctx;
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struct io_plugin *io_plugin;
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};
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#define BASE_CTX(io_ctx) (&(io_ctx->base_ctx))
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#define PY_IO_PLUGIN_VERSION SUDO_API_MKVERSION(1, 0)
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#define CALLBACK_PLUGINFUNC(func_name) io_ctx->io_plugin->func_name
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// This also verifies compile time that the name matches the sudo plugin API.
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#define CALLBACK_PYNAME(func_name) ((void)CALLBACK_PLUGINFUNC(func_name), #func_name)
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#define MARK_CALLBACK_OPTIONAL(function_name) \
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do { \
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python_plugin_mark_callback_optional(plugin_ctx, CALLBACK_PYNAME(function_name), \
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(void **)&CALLBACK_PLUGINFUNC(function_name)); \
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} while(0)
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sudo_dso_public struct io_plugin *python_io_clone(void);
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static int
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_call_plugin_open(struct IOPluginContext *io_ctx, int argc, char * const argv[], char * const command_info[])
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{
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debug_decl(_call_plugin_open, PYTHON_DEBUG_CALLBACKS);
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struct PluginContext *plugin_ctx = BASE_CTX(io_ctx);
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plugin_ctx->call_close = 1;
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if (!PyObject_HasAttrString(plugin_ctx->py_instance, CALLBACK_PYNAME(open))) {
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debug_return_int(SUDO_RC_OK);
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}
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int rc = SUDO_RC_ERROR;
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PyObject *py_argv = py_str_array_to_tuple_with_count(argc, argv);
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PyObject *py_command_info = py_str_array_to_tuple(command_info);
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if (py_argv != NULL && py_command_info != NULL) {
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rc = python_plugin_api_rc_call(plugin_ctx, CALLBACK_PYNAME(open),
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Py_BuildValue("(OO)", py_argv, py_command_info));
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}
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if (rc != SUDO_RC_OK)
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plugin_ctx->call_close = 0;
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Py_XDECREF(py_argv);
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Py_XDECREF(py_command_info);
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debug_return_int(rc);
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}
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static int
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python_plugin_io_open(struct IOPluginContext *io_ctx,
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unsigned int version, sudo_conv_t conversation,
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sudo_printf_t sudo_printf, char * const settings[],
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char * const user_info[], char * const command_info[],
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int argc, char * const argv[], char * const user_env[],
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char * const plugin_options[], const char **errstr)
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{
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debug_decl(python_plugin_io_open, PYTHON_DEBUG_CALLBACKS);
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if (version < SUDO_API_MKVERSION(1, 2)) {
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sudo_printf(SUDO_CONV_ERROR_MSG,
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"Error: Python IO plugin requires at least plugin API version 1.2\n");
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debug_return_int(SUDO_RC_ERROR);
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}
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int rc = python_plugin_register_logging(conversation, sudo_printf, settings);
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if (rc != SUDO_RC_OK)
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debug_return_int(rc);
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struct PluginContext *plugin_ctx = BASE_CTX(io_ctx);
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rc = python_plugin_init(plugin_ctx, plugin_options, version);
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if (rc != SUDO_RC_OK)
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debug_return_int(rc);
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rc = python_plugin_construct(plugin_ctx, PY_IO_PLUGIN_VERSION,
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settings, user_info, user_env, plugin_options);
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CALLBACK_SET_ERROR(plugin_ctx, errstr);
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if (rc != SUDO_RC_OK) {
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debug_return_int(rc);
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}
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// skip plugin callbacks which are not mandatory
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MARK_CALLBACK_OPTIONAL(log_ttyin);
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MARK_CALLBACK_OPTIONAL(log_ttyout);
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MARK_CALLBACK_OPTIONAL(log_stdin);
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MARK_CALLBACK_OPTIONAL(log_stdout);
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MARK_CALLBACK_OPTIONAL(log_stderr);
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MARK_CALLBACK_OPTIONAL(change_winsize);
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MARK_CALLBACK_OPTIONAL(log_suspend);
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// open and close are mandatory
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if (argc > 0) // we only call open if there is request for running sg
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rc = _call_plugin_open(io_ctx, argc, argv, command_info);
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CALLBACK_SET_ERROR(plugin_ctx, errstr);
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debug_return_int(rc);
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}
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static void
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python_plugin_io_close(struct IOPluginContext *io_ctx, int exit_status, int error)
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{
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debug_decl(python_plugin_io_close, PYTHON_DEBUG_CALLBACKS);
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python_plugin_close(BASE_CTX(io_ctx), CALLBACK_PYNAME(close),
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Py_BuildValue("(ii)", error == 0 ? exit_status : -1, error));
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debug_return;
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}
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static int
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python_plugin_io_show_version(struct IOPluginContext *io_ctx, int verbose)
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{
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debug_decl(python_plugin_io_show_version, PYTHON_DEBUG_CALLBACKS);
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PyThreadState_Swap(BASE_CTX(io_ctx)->py_interpreter);
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debug_return_int(python_plugin_show_version(BASE_CTX(io_ctx), CALLBACK_PYNAME(show_version),
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verbose, PY_IO_PLUGIN_VERSION, "io"));
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}
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static int
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python_plugin_io_log_ttyin(struct IOPluginContext *io_ctx, const char *buf, unsigned int len, const char **errstr)
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{
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debug_decl(python_plugin_io_log_ttyin, PYTHON_DEBUG_CALLBACKS);
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struct PluginContext *plugin_ctx = BASE_CTX(io_ctx);
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PyThreadState_Swap(plugin_ctx->py_interpreter);
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int rc = python_plugin_api_rc_call(plugin_ctx, CALLBACK_PYNAME(log_ttyin),
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Py_BuildValue("(s#)", buf, len));
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CALLBACK_SET_ERROR(plugin_ctx, errstr);
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debug_return_int(rc);
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}
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static int
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python_plugin_io_log_ttyout(struct IOPluginContext *io_ctx, const char *buf, unsigned int len, const char **errstr)
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{
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debug_decl(python_plugin_io_log_ttyout, PYTHON_DEBUG_CALLBACKS);
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struct PluginContext *plugin_ctx = BASE_CTX(io_ctx);
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PyThreadState_Swap(plugin_ctx->py_interpreter);
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int rc = python_plugin_api_rc_call(plugin_ctx, CALLBACK_PYNAME(log_ttyout),
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Py_BuildValue("(s#)", buf, len));
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CALLBACK_SET_ERROR(plugin_ctx, errstr);
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debug_return_int(rc);
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}
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static int
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python_plugin_io_log_stdin(struct IOPluginContext *io_ctx, const char *buf, unsigned int len, const char **errstr)
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{
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debug_decl(python_plugin_io_log_stdin, PYTHON_DEBUG_CALLBACKS);
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struct PluginContext *plugin_ctx = BASE_CTX(io_ctx);
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PyThreadState_Swap(plugin_ctx->py_interpreter);
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int rc = python_plugin_api_rc_call(plugin_ctx, CALLBACK_PYNAME(log_stdin),
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Py_BuildValue("(s#)", buf, len));
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CALLBACK_SET_ERROR(plugin_ctx, errstr);
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debug_return_int(rc);
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}
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static int
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python_plugin_io_log_stdout(struct IOPluginContext *io_ctx, const char *buf, unsigned int len, const char **errstr)
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{
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debug_decl(python_plugin_io_log_stdout, PYTHON_DEBUG_CALLBACKS);
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struct PluginContext *plugin_ctx = BASE_CTX(io_ctx);
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PyThreadState_Swap(plugin_ctx->py_interpreter);
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int rc = python_plugin_api_rc_call(plugin_ctx, CALLBACK_PYNAME(log_stdout),
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Py_BuildValue("(s#)", buf, len));
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CALLBACK_SET_ERROR(plugin_ctx, errstr);
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debug_return_int(rc);
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}
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static int
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python_plugin_io_log_stderr(struct IOPluginContext *io_ctx, const char *buf, unsigned int len, const char **errstr)
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{
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debug_decl(python_plugin_io_log_stderr, PYTHON_DEBUG_CALLBACKS);
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struct PluginContext *plugin_ctx = BASE_CTX(io_ctx);
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PyThreadState_Swap(plugin_ctx->py_interpreter);
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int rc = python_plugin_api_rc_call(plugin_ctx, CALLBACK_PYNAME(log_stderr),
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Py_BuildValue("(s#)", buf, len));
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CALLBACK_SET_ERROR(plugin_ctx, errstr);
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debug_return_int(rc);
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}
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static int
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python_plugin_io_change_winsize(struct IOPluginContext *io_ctx, unsigned int line, unsigned int cols, const char **errstr)
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{
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debug_decl(python_plugin_io_change_winsize, PYTHON_DEBUG_CALLBACKS);
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struct PluginContext *plugin_ctx = BASE_CTX(io_ctx);
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PyThreadState_Swap(plugin_ctx->py_interpreter);
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int rc = python_plugin_api_rc_call(plugin_ctx, CALLBACK_PYNAME(change_winsize),
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Py_BuildValue("(ii)", line, cols));
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CALLBACK_SET_ERROR(plugin_ctx, errstr);
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debug_return_int(rc);
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}
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static int
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python_plugin_io_log_suspend(struct IOPluginContext *io_ctx, int signo, const char **errstr)
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{
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debug_decl(python_plugin_io_log_suspend, PYTHON_DEBUG_CALLBACKS);
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struct PluginContext *plugin_ctx = BASE_CTX(io_ctx);
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PyThreadState_Swap(plugin_ctx->py_interpreter);
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int rc = python_plugin_api_rc_call(plugin_ctx, CALLBACK_PYNAME(log_suspend),
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Py_BuildValue("(i)", signo));
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CALLBACK_SET_ERROR(plugin_ctx, errstr);
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debug_return_int(rc);
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}
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// generate symbols for loading multiple io plugins:
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sudo_dso_public struct io_plugin python_io;
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#define IO_SYMBOL_NAME(symbol) symbol
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#include "python_plugin_io_multi.inc"
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#define IO_SYMBOL_NAME(symbol) symbol##1
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#include "python_plugin_io_multi.inc"
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#define IO_SYMBOL_NAME(symbol) symbol##2
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#include "python_plugin_io_multi.inc"
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#define IO_SYMBOL_NAME(symbol) symbol##3
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#include "python_plugin_io_multi.inc"
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#define IO_SYMBOL_NAME(symbol) symbol##4
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#include "python_plugin_io_multi.inc"
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#define IO_SYMBOL_NAME(symbol) symbol##5
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#include "python_plugin_io_multi.inc"
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#define IO_SYMBOL_NAME(symbol) symbol##6
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#include "python_plugin_io_multi.inc"
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#define IO_SYMBOL_NAME(symbol) symbol##7
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#include "python_plugin_io_multi.inc"
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static struct io_plugin *extra_io_plugins[] = {
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&python_io1,
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&python_io2,
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&python_io3,
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&python_io4,
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&python_io5,
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&python_io6,
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&python_io7
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};
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struct io_plugin *
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python_io_clone(void)
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{
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static size_t counter = 0;
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struct io_plugin *next_plugin = NULL;
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size_t max = sizeof(extra_io_plugins) / sizeof(*extra_io_plugins);
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if (counter < max) {
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next_plugin = extra_io_plugins[counter];
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++counter;
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} else if (counter == max) {
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++counter;
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py_sudo_log(SUDO_CONV_ERROR_MSG, "sudo: loading more than %d sudo python IO plugins is not supported\n", counter);
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}
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return next_plugin;
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}
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