forked from Mirrors/flatpak-builder
182 lines
5.7 KiB
C
182 lines
5.7 KiB
C
/*
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* Copyright © 2014 Red Hat, Inc
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors:
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* Alexander Larsson <alexl@redhat.com>
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*/
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#include "config.h"
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#include <locale.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include "libgsystem.h"
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#include "libglnx/libglnx.h"
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#include "xdg-app-builtins.h"
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#include "xdg-app-utils.h"
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#include "xdg-app-run.h"
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static gboolean opt_runtime;
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static char **opt_allow;
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static char **opt_forbid;
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static GOptionEntry options[] = {
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{ "runtime", 'r', 0, G_OPTION_ARG_NONE, &opt_runtime, "Use non-devel runtime", NULL },
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{ "allow", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_allow, "Environment options to set to true", "KEY" },
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{ "forbid", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_forbid, "Environment options to set to false", "KEY" },
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{ NULL }
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};
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gboolean
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xdg_app_builtin_build (int argc, char **argv, GCancellable *cancellable, GError **error)
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{
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GOptionContext *context;
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gboolean ret = FALSE;
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g_autoptr(XdgAppDir) user_dir = NULL;
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g_autoptr(GVariantBuilder) optbuilder = NULL;
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g_autoptr(GFile) deploy_base = NULL;
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g_autoptr(GFile) var = NULL;
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g_autoptr(GFile) var_tmp = NULL;
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g_autoptr(GFile) var_run = NULL;
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g_autoptr(GFile) app_deploy = NULL;
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g_autoptr(GFile) app_files = NULL;
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g_autoptr(GFile) runtime_deploy = NULL;
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g_autoptr(GFile) runtime_files = NULL;
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g_autoptr(GFile) metadata = NULL;
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g_autofree char *metadata_contents = NULL;
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g_autofree char *runtime = NULL;
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g_autofree char *default_command = NULL;
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g_autofree char *runtime_ref = NULL;
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g_autofree char *app_ref = NULL;
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g_autoptr(GKeyFile) metakey = NULL;
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g_autoptr (GError) my_error = NULL;
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g_autoptr (GError) my_error2 = NULL;
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g_autoptr(GPtrArray) argv_array = NULL;
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g_autoptr(GPtrArray) env_array = NULL;
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gsize metadata_size;
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const char *directory = NULL;
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const char *command = "/bin/sh";
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int i;
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int rest_argv_start, rest_argc;
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context = g_option_context_new ("DIRECTORY [COMMAND [args...]] - Build in directory");
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rest_argc = 0;
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for (i = 1; i < argc; i++)
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{
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/* The non-option is the directory, take it out of the arguments */
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if (argv[i][0] != '-')
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{
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rest_argv_start = i;
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rest_argc = argc - i;
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argc = i;
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break;
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}
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}
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if (!xdg_app_option_context_parse (context, options, &argc, &argv, XDG_APP_BUILTIN_FLAG_NO_DIR, NULL, cancellable, error))
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goto out;
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if (rest_argc == 0)
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{
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usage_error (context, "DIRECTORY must be specified", error);
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goto out;
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}
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directory = argv[rest_argv_start];
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if (rest_argc >= 2)
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command = argv[rest_argv_start+1];
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app_deploy = g_file_new_for_commandline_arg (directory);
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metadata = g_file_get_child (app_deploy, "metadata");
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if (!g_file_load_contents (metadata, cancellable, &metadata_contents, &metadata_size, NULL, error))
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goto out;
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metakey = g_key_file_new ();
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if (!g_key_file_load_from_data (metakey, metadata_contents, metadata_size, 0, error))
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goto out;
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runtime = g_key_file_get_string (metakey, "Application", opt_runtime ? "runtime" : "sdk", error);
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if (runtime == NULL)
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goto out;
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runtime_ref = g_build_filename ("runtime", runtime, NULL);
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runtime_deploy = xdg_app_find_deploy_dir_for_ref (runtime_ref, cancellable, error);
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if (runtime_deploy == NULL)
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goto out;
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var = g_file_get_child (app_deploy, "var");
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if (!gs_file_ensure_directory (var, TRUE, cancellable, error))
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goto out;
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app_files = g_file_get_child (app_deploy, "files");
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runtime_files = g_file_get_child (runtime_deploy, "files");
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argv_array = g_ptr_array_new_with_free_func (g_free);
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g_ptr_array_add (argv_array, g_strdup (HELPER));
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g_ptr_array_add (argv_array, g_strdup ("-i"));
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g_ptr_array_add (argv_array, g_strdup ("-f"));
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g_ptr_array_add (argv_array, g_strdup ("-H"));
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if (!xdg_app_run_verify_environment_keys ((const char **)opt_forbid, error))
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goto out;
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if (!xdg_app_run_verify_environment_keys ((const char **)opt_allow, error))
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goto out;
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xdg_app_run_add_environment_args (argv_array, metakey,
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(const char **)opt_allow,
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(const char **)opt_forbid);
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g_ptr_array_add (argv_array, g_strdup ("-w"));
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g_ptr_array_add (argv_array, g_strdup ("-a"));
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g_ptr_array_add (argv_array, g_file_get_path (app_files));
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g_ptr_array_add (argv_array, g_strdup ("-v"));
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g_ptr_array_add (argv_array, g_file_get_path (var));
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g_ptr_array_add (argv_array, g_file_get_path (runtime_files));
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g_ptr_array_add (argv_array, g_strdup (command));
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for (i = 2; i < rest_argc; i++)
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g_ptr_array_add (argv_array, g_strdup (argv[rest_argv_start + i]));
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g_ptr_array_add (argv_array, NULL);
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env_array = g_ptr_array_new_with_free_func (g_free);
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xdg_app_run_setup_minimal_env (env_array, TRUE);
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g_ptr_array_add (env_array, NULL);
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if (!execve (HELPER, (char **)argv_array->pdata, (char **)env_array->pdata))
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{
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g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "Unable to start app");
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goto out;
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}
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/* Not actually reached... */
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ret = TRUE;
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out:
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if (context)
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g_option_context_free (context);
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return ret;
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}
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