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-rw-r--r--lib/mcconfig/paths.c313
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diff --git a/lib/mcconfig/paths.c b/lib/mcconfig/paths.c
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+++ b/lib/mcconfig/paths.c
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+/*
+ paths to configuration files
+
+ Copyright (C) 2010-2022
+ Free Software Foundation, Inc.
+
+ Written by:
+ Slava Zanko <slavazanko@gmail.com>, 2010.
+
+ This file is part of the Midnight Commander.
+
+ The Midnight Commander is free software: you can redistribute it
+ and/or modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
+
+ The Midnight Commander is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include "lib/global.h"
+#include "lib/fileloc.h"
+#include "lib/vfs/vfs.h"
+#include "lib/util.h" /* unix_error_string() */
+
+#include "lib/mcconfig.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static gboolean xdg_vars_initialized = FALSE;
+static char *mc_config_str = NULL;
+static char *mc_cache_str = NULL;
+static char *mc_data_str = NULL;
+
+static gboolean config_dir_present = FALSE;
+
+static const struct
+{
+ char **basedir;
+ const char *filename;
+} mc_config_files_reference[] =
+{
+ /* *INDENT-OFF* */
+ /* config */
+ { &mc_config_str, MC_CONFIG_FILE },
+ { &mc_config_str, MC_FHL_INI_FILE },
+ { &mc_config_str, MC_HOTLIST_FILE },
+ { &mc_config_str, GLOBAL_KEYMAP_FILE },
+ { &mc_config_str, MC_USERMENU_FILE },
+ { &mc_config_str, EDIT_HOME_MENU },
+ { &mc_config_str, MC_PANELS_FILE },
+
+ /* User should move this file with applying some changes in file */
+ { &mc_config_str, MC_EXT_FILE },
+ { &mc_config_str, MC_EXT_OLD_FILE },
+
+ /* data */
+ { &mc_data_str, MC_SKINS_DIR },
+ { &mc_data_str, FISH_PREFIX },
+ { &mc_data_str, MC_ASHRC_FILE },
+ { &mc_data_str, MC_BASHRC_FILE },
+ { &mc_data_str, MC_INPUTRC_FILE },
+ { &mc_data_str, MC_ZSHRC_FILE },
+ { &mc_data_str, MC_EXTFS_DIR },
+ { &mc_data_str, MC_HISTORY_FILE },
+ { &mc_data_str, MC_FILEPOS_FILE },
+ { &mc_data_str, EDIT_SYNTAX_FILE },
+ { &mc_data_str, EDIT_HOME_CLIP_FILE },
+ { &mc_data_str, MC_MACRO_FILE },
+
+ /* cache */
+ { &mc_cache_str, "mc.log" },
+ { &mc_cache_str, MC_TREESTORE_FILE },
+ { &mc_cache_str, EDIT_HOME_TEMP_FILE },
+ { &mc_cache_str, EDIT_HOME_BLOCK_FILE },
+
+ { NULL, NULL }
+ /* *INDENT-ON* */
+};
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions *********************************************************************** */
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_config_mkdir (const char *directory_name, GError ** mcerror)
+{
+ mc_return_if_error (mcerror);
+
+ if ((!g_file_test (directory_name, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) &&
+ (g_mkdir_with_parents (directory_name, 0700) != 0))
+ mc_propagate_error (mcerror, 0, _("Cannot create %s directory"), directory_name);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+mc_config_init_one_config_path (const char *path_base, const char *subdir, GError ** mcerror)
+{
+ char *full_path;
+
+ mc_return_val_if_error (mcerror, FALSE);
+
+ full_path = g_build_filename (path_base, subdir, (char *) NULL);
+
+ if (g_file_test (full_path, G_FILE_TEST_EXISTS))
+ {
+ if (g_file_test (full_path, G_FILE_TEST_IS_DIR))
+ config_dir_present = TRUE;
+ else
+ {
+ fprintf (stderr, "%s %s\n", _("FATAL: not a directory:"), full_path);
+ exit (EXIT_FAILURE);
+ }
+ }
+
+ mc_config_mkdir (full_path, mcerror);
+ if (mcerror != NULL && *mcerror != NULL)
+ MC_PTR_FREE (full_path);
+
+ return full_path;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_config_init_config_paths (GError ** mcerror)
+{
+ const char *profile_root;
+ char *dir;
+
+ mc_return_if_error (mcerror);
+
+ if (xdg_vars_initialized)
+ return;
+
+ profile_root = mc_get_profile_root ();
+
+ if (strcmp (profile_root, mc_config_get_home_dir ()) != 0)
+ {
+ /*
+ * The user overrode the default profile root.
+ *
+ * In this case we can't use GLib's g_get_user_{config,cache,data}_dir()
+ * as these functions use the user's home dir as the root.
+ */
+
+ dir = g_build_filename (profile_root, ".config", (char *) NULL);
+ mc_config_str = mc_config_init_one_config_path (dir, MC_USERCONF_DIR, mcerror);
+ g_free (dir);
+
+ dir = g_build_filename (profile_root, ".cache", (char *) NULL);
+ mc_cache_str = mc_config_init_one_config_path (dir, MC_USERCONF_DIR, mcerror);
+ g_free (dir);
+
+ dir = g_build_filename (profile_root, ".local", "share", (char *) NULL);
+ mc_data_str = mc_config_init_one_config_path (dir, MC_USERCONF_DIR, mcerror);
+ g_free (dir);
+ }
+ else
+ {
+ mc_config_str =
+ mc_config_init_one_config_path (g_get_user_config_dir (), MC_USERCONF_DIR, mcerror);
+ mc_cache_str =
+ mc_config_init_one_config_path (g_get_user_cache_dir (), MC_USERCONF_DIR, mcerror);
+ mc_data_str =
+ mc_config_init_one_config_path (g_get_user_data_dir (), MC_USERCONF_DIR, mcerror);
+ }
+
+ xdg_vars_initialized = TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_config_deinit_config_paths (void)
+{
+ if (!xdg_vars_initialized)
+ return;
+
+ g_free (mc_config_str);
+ g_free (mc_cache_str);
+ g_free (mc_data_str);
+
+ g_free (mc_global.share_data_dir);
+ g_free (mc_global.sysconfig_dir);
+
+ xdg_vars_initialized = FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+mc_config_get_data_path (void)
+{
+ if (!xdg_vars_initialized)
+ mc_config_init_config_paths (NULL);
+
+ return (const char *) mc_data_str;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+mc_config_get_cache_path (void)
+{
+ if (!xdg_vars_initialized)
+ mc_config_init_config_paths (NULL);
+
+ return (const char *) mc_cache_str;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+mc_config_get_home_dir (void)
+{
+ static const char *homedir = NULL;
+
+ if (homedir == NULL)
+ {
+ /* Prior to GLib 2.36, g_get_home_dir() ignores $HOME, which is why
+ * we read it ourselves. As that function's documentation explains,
+ * using $HOME is good for compatibility with other programs and
+ * for running from test frameworks. */
+ homedir = g_getenv ("HOME");
+ if (homedir == NULL || *homedir == '\0')
+ homedir = g_get_home_dir ();
+ }
+
+ return homedir;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+mc_config_get_path (void)
+{
+ if (!xdg_vars_initialized)
+ mc_config_init_config_paths (NULL);
+
+ return (const char *) mc_config_str;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get full path to config file by short name.
+ *
+ * @param config_name short name
+ * @return full path to config file
+ */
+
+char *
+mc_config_get_full_path (const char *config_name)
+{
+ size_t rule_index;
+
+ if (config_name == NULL)
+ return NULL;
+
+ if (!xdg_vars_initialized)
+ mc_config_init_config_paths (NULL);
+
+ for (rule_index = 0; mc_config_files_reference[rule_index].filename != NULL; rule_index++)
+ if (strcmp (config_name, mc_config_files_reference[rule_index].filename) == 0)
+ return g_build_filename (*mc_config_files_reference[rule_index].basedir,
+ mc_config_files_reference[rule_index].filename, (char *) NULL);
+
+ return NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get full path to config file by short name.
+ *
+ * @param config_name short name
+ * @return object with full path to config file
+ */
+
+vfs_path_t *
+mc_config_get_full_vpath (const char *config_name)
+{
+ vfs_path_t *ret_vpath;
+ char *str_path;
+
+ str_path = mc_config_get_full_path (config_name);
+
+ ret_vpath = vfs_path_from_str (str_path);
+ g_free (str_path);
+
+ return ret_vpath;
+}
+
+/* --------------------------------------------------------------------------------------------- */