Merge *-utils, rename ShellUtilsTrivial to ShellParser, fix memory leaks

10 files changed, 378 insertions, 365 deletions

diff --git a/Makefile.am b/Makefile.am
index 32890fb..e12c3d7 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -59,10 +59,8 @@ openrc_settingsd_SOURCES = \
 	src/localed.h \
 	src/timedated.c \
 	src/timedated.h \
-	src/bus-utils.c \
-	src/bus-utils.h \
-	src/shell-utils.c \
-	src/shell-utils.h \
+	src/utils.c \
+	src/utils.h \
 	src/main.c \
 	$(NULL)
 
diff --git a/src/bus-utils.c b/src/bus-utils.c
index f78f8f2..8db9bb4 100644
--- a/src/bus-utils.c
+++ b/src/bus-utils.c
@@ -22,113 +22,4 @@
 
 #include "bus-utils.h"
 
-struct check_polkit_data {
-    const gchar *unique_name;
-    const gchar *action_id;
-    gboolean user_interaction;
-    GAsyncReadyCallback callback;
-    gpointer user_data;
 
-    PolkitAuthority *authority;
-    PolkitSubject *subject;
-};
-
-void
-check_polkit_data_free (struct check_polkit_data *data)
-{
-    if (data == NULL)
-        return;
-
-    if (data->subject != NULL)
-        g_object_unref (data->subject);
-    if (data->authority != NULL)
-        g_object_unref (data->authority);
-    
-    g_free (data);
-}
-
-gboolean
-check_polkit_finish (GAsyncResult *res,
-                     GError **error)
-{
-    GSimpleAsyncResult *simple;
-
-    simple = G_SIMPLE_ASYNC_RESULT (res);
-    if (g_simple_async_result_propagate_error (simple, error))
-        return FALSE;
-
-    return g_simple_async_result_get_op_res_gboolean (simple);
-}
-
-static void
-check_polkit_authorization_cb (GObject *source_object,
-                               GAsyncResult *res,
-                               gpointer _data)
-{
-    struct check_polkit_data *data;
-    PolkitAuthorizationResult *result;
-    GSimpleAsyncResult *simple;
-    GError *err = NULL;
-
-    data = (struct check_polkit_data *) _data;
-    if ((result = polkit_authority_check_authorization_finish (data->authority, res, &err)) == NULL) {
-        g_simple_async_report_take_gerror_in_idle (NULL, data->callback, data->user_data, err);
-        goto out;
-    }
- 
-    if (!polkit_authorization_result_get_is_authorized (result)) {
-        g_simple_async_report_error_in_idle (NULL, data->callback, data->user_data, POLKIT_ERROR, POLKIT_ERROR_NOT_AUTHORIZED, "Authorizing for '%s': not authorized", data->action_id);
-        goto out;
-    }
-    simple = g_simple_async_result_new (NULL, data->callback, data->user_data, check_polkit_async);
-    g_simple_async_result_set_op_res_gboolean (simple, TRUE);
-    g_simple_async_result_complete_in_idle (simple);
-    g_object_unref (simple);
-
-  out:
-    check_polkit_data_free (data);
-    if (result != NULL)
-        g_object_unref (result);
-}
-
-static void
-check_polkit_authority_cb (GObject *source_object,
-                           GAsyncResult *res,
-                           gpointer _data)
-{
-    struct check_polkit_data *data;
-    GError *err = NULL;
-
-    data = (struct check_polkit_data *) _data;
-    if ((data->authority = polkit_authority_get_finish (res, &err)) == NULL) {
-        g_simple_async_report_take_gerror_in_idle (NULL, data->callback, data->user_data, err);
-        check_polkit_data_free (data);
-        return;
-    }
-    if (data->unique_name == NULL || data->action_id == NULL || 
-        (data->subject = polkit_system_bus_name_new (data->unique_name)) == NULL) {
-        g_simple_async_report_error_in_idle (NULL, data->callback, data->user_data, POLKIT_ERROR, POLKIT_ERROR_FAILED, "Authorizing for '%s': failed sanity check", data->action_id);
-        check_polkit_data_free (data);
-        return;
-    }
-    polkit_authority_check_authorization (data->authority, data->subject, data->action_id, NULL, (PolkitCheckAuthorizationFlags) data->user_interaction, NULL, check_polkit_authorization_cb, data);
-}
-
-void
-check_polkit_async (const gchar *unique_name,
-                    const gchar *action_id,
-                    const gboolean user_interaction,
-                    GAsyncReadyCallback callback,
-                    gpointer user_data)
-{
-    struct check_polkit_data *data;
-
-    data = g_new0 (struct check_polkit_data, 1);
-    data->unique_name = unique_name;
-    data->action_id = action_id;
-    data->user_interaction = user_interaction;
-    data->callback = callback;
-    data->user_data = user_data;
-
-    polkit_authority_get_async (NULL, check_polkit_authority_cb, data);
-}
diff --git a/src/bus-utils.h b/src/bus-utils.h
index 4a57bb5..282a63e 100644
--- a/src/bus-utils.h
+++ b/src/bus-utils.h
@@ -21,15 +21,6 @@
 
 #include <glib.h>
 
-void
-check_polkit_async (const gchar *unique_name,
-                    const gchar *action_id,
-                    const gboolean user_interaction,
-                    GAsyncReadyCallback callback,
-                    gpointer user_data);
-
-gboolean
-check_polkit_finish (GAsyncResult *res,
-                     GError **error);
+
 
 #endif
diff --git a/src/hostnamed.c b/src/hostnamed.c
index f0992bd..1fb14c0 100644
--- a/src/hostnamed.c
+++ b/src/hostnamed.c
@@ -28,8 +28,7 @@
 
 #include "hostnamed.h"
 #include "hostname1-generated.h"
-#include "bus-utils.h"
-#include "shell-utils.h"
+#include "utils.h"
 
 #include "config.h"
 
@@ -66,10 +65,12 @@ hostname_is_valid (const gchar *name)
                                  name, G_REGEX_MULTILINE, 0);
 }
 
-static void
+static gchar *
 guess_icon_name ()
 {
     /* TODO: detect virtualization by reading rc_sys */
+    gchar *filebuf = NULL;
+    gchar *ret = NULL;
 
 #if defined(__i386__) || defined(__x86_64__)
     /* 
@@ -80,32 +81,34 @@ guess_icon_name ()
 
        http://www.dmtf.org/sites/default/files/standards/documents/DSP0134_2.7.1.pdf
     */
-    gchar *contents;
 
-    if (g_file_get_contents ("/sys/class/dmi/id/chassis_type", &contents, NULL, NULL)) {
-        switch (g_ascii_strtoull (contents, NULL, 10)) {
+    if (g_file_get_contents ("/sys/class/dmi/id/chassis_type", &filebuf, NULL, NULL)) {
+        switch (g_ascii_strtoull (filebuf, NULL, 10)) {
         case 0x3:
         case 0x4:
         case 0x5:
         case 0x6:
         case 0x7:
-            icon_name = g_strdup ("computer-desktop");
-            return;
+            ret = g_strdup ("computer-desktop");
+            goto out;
         case 0x9:
         case 0xA:
         case 0xE:
-            icon_name = g_strdup ("computer-laptop");
-            return;
+            ret = g_strdup ("computer-laptop");
+            goto out;
         case 0x11:
         case 0x17:
         case 0x1C:
         case 0x1D:
-            icon_name = g_strdup ("computer-server");
-            return;
+            ret = g_strdup ("computer-server");
+            goto out;
         }
     }
 #endif
-    icon_name = g_strdup ("computer");
+    ret = g_strdup ("computer");
+  out:
+    g_free (filebuf);
+    return ret;
 }
 
 static void
@@ -198,7 +201,7 @@ on_handle_set_static_hostname_authorized_cb (GObject *source_object,
         data->name = g_strdup ("localhost");
     }
 
-    if (!shell_utils_trivial_set_and_save (static_hostname_file, &err, "hostname", "HOSTNAME", data->name, NULL)) {
+    if (!shell_parser_set_and_save (static_hostname_file, &err, "hostname", "HOSTNAME", data->name, NULL)) {
         g_dbus_method_invocation_return_gerror (data->invocation, err);
         G_UNLOCK (static_hostname);
         goto out;
@@ -257,7 +260,7 @@ on_handle_set_pretty_hostname_authorized_cb (GObject *source_object,
     if (data->name == NULL)
         data->name = g_strdup ("");
 
-    if (!shell_utils_trivial_set_and_save (machine_info_file, &err, "PRETTY_HOSTNAME", NULL, data->name, NULL)) {
+    if (!shell_parser_set_and_save (machine_info_file, &err, "PRETTY_HOSTNAME", NULL, data->name, NULL)) {
         g_dbus_method_invocation_return_gerror (data->invocation, err);
         G_UNLOCK (machine_info);
         goto out;
@@ -316,7 +319,7 @@ on_handle_set_icon_name_authorized_cb (GObject *source_object,
     if (data->name == NULL)
         data->name = g_strdup ("");
 
-    if (!shell_utils_trivial_set_and_save (machine_info_file, &err, "ICON_NAME", NULL, data->name, NULL)) {
+    if (!shell_parser_set_and_save (machine_info_file, &err, "ICON_NAME", NULL, data->name, NULL)) {
         g_dbus_method_invocation_return_gerror (data->invocation, err);
         G_UNLOCK (machine_info);
         goto out;
@@ -425,13 +428,13 @@ hostnamed_init (gboolean _read_only)
     static_hostname_file = g_file_new_for_path (SYSCONFDIR "/conf.d/hostname");
     machine_info_file = g_file_new_for_path (SYSCONFDIR "/machine-info");
 
-    static_hostname = shell_utils_source_var (static_hostname_file, "${hostname-${HOSTNAME-localhost}}", &err);
+    static_hostname = shell_source_var (static_hostname_file, "${hostname-${HOSTNAME-localhost}}", &err);
     if (err != NULL) {
         g_debug ("%s", err->message);
         g_error_free (err);
         err = NULL;
     }
-    pretty_hostname = shell_utils_source_var (machine_info_file, "${PRETTY_HOSTNAME}", &err);
+    pretty_hostname = shell_source_var (machine_info_file, "${PRETTY_HOSTNAME}", &err);
     if (pretty_hostname == NULL)
         pretty_hostname = g_strdup ("");
     if (err != NULL) {
@@ -439,7 +442,7 @@ hostnamed_init (gboolean _read_only)
         g_error_free (err);
         err = NULL;
     }
-    icon_name = shell_utils_source_var (machine_info_file, "${ICON_NAME}", &err);
+    icon_name = shell_source_var (machine_info_file, "${ICON_NAME}", &err);
     if (icon_name == NULL)
         icon_name = g_strdup ("");
     if (err != NULL) {
@@ -448,8 +451,10 @@ hostnamed_init (gboolean _read_only)
         err = NULL;
     }
 
-    if (icon_name == NULL || strlen (icon_name) == 0)
-        guess_icon_name ();
+    if (icon_name == NULL || *icon_name == 0) {
+        g_free (icon_name);
+        icon_name = guess_icon_name ();
+    }
 
     read_only = _read_only;
 
diff --git a/src/localed.c b/src/localed.c
index 2e8e44e..0cb4404 100644
--- a/src/localed.c
+++ b/src/localed.c
@@ -26,8 +26,7 @@
 
 #include "localed.h"
 #include "locale1-generated.h"
-#include "bus-utils.h"
-#include "shell-utils.h"
+#include "utils.h"
 
 #include "config.h"
 
@@ -215,16 +214,17 @@ kbd_model_map_load (GError **error)
     for (line = filebuf; *line != 0; line = newline + 1) {
         struct kbd_model_map_entry *entry = NULL;
         GMatchInfo *match_info = NULL;
+        gboolean m = FALSE;
 
         if ((newline = strstr (line, "\n")) != NULL)
             *newline = 0;
         else
             newline = line + strlen (line) - 1;
 
-        if (g_regex_match (kbd_model_map_line_comment_re, line, 0, &match_info)) {
-            g_match_info_free (match_info);
+        m = g_regex_match (kbd_model_map_line_comment_re, line, 0, &match_info);
+        _g_match_info_clear (&match_info);
+        if (m)
             continue;
-        }
 
         if (!g_regex_match (kbd_model_map_line_re, line,  0, &match_info)) {
             g_propagate_error (error,
@@ -253,7 +253,7 @@ kbd_model_map_load (GError **error)
             entry->x11_options[0] = 0;
 
         ret = g_list_prepend (ret, entry);
-        g_match_info_free (match_info);
+        _g_match_info_clear (&match_info);
     }
   out:
     if (ret != NULL)
@@ -452,6 +452,7 @@ xorg_confd_parser_new (GFile *xorg_confd_file,
         struct xorg_confd_line_entry *entry = NULL;
         GMatchInfo *match_info = NULL;
         gboolean matched = FALSE;
+        gboolean m = FALSE;
 
         if ((newline = strstr (line, "\n")) != NULL)
             *newline = 0;
@@ -463,48 +464,48 @@ xorg_confd_parser_new (GFile *xorg_confd_file,
         if (g_regex_match (xorg_confd_line_comment_re, line, 0, &match_info)) {
             g_debug ("Parsed line '%s' as comment", line);
             entry->type = XORG_CONFD_LINE_TYPE_COMMENT;
-        } else if (g_regex_match (xorg_confd_line_section_input_class_re, line, 0, &match_info)) {
+        } else if (_g_match_info_clear (&match_info) && g_regex_match (xorg_confd_line_section_input_class_re, line, 0, &match_info)) {
             g_debug ("Parsed line '%s' as InputClass section", line);
             if (in_section)
                 goto no_match;
             in_section = TRUE;
             entry->type = XORG_CONFD_LINE_TYPE_SECTION_INPUT_CLASS;
-        } else if (g_regex_match (xorg_confd_line_section_re, line, 0, &match_info)) {
+        } else if (_g_match_info_clear (&match_info) && g_regex_match (xorg_confd_line_section_re, line, 0, &match_info)) {
             g_debug ("Parsed line '%s' as non-InputClass section", line);
             if (in_section)
                 goto no_match;
             in_section = TRUE;
             entry->type = XORG_CONFD_LINE_TYPE_SECTION_OTHER;
-        } else if (g_regex_match (xorg_confd_line_end_section_re, line, 0, &match_info)) {
+        } else if (_g_match_info_clear (&match_info) && g_regex_match (xorg_confd_line_end_section_re, line, 0, &match_info)) {
             g_debug ("Parsed line '%s' as end of section", line);
             if (!in_section)
                 goto no_match;
             entry->type = XORG_CONFD_LINE_TYPE_END_SECTION;
-        } else if (g_regex_match (xorg_confd_line_match_is_keyboard_re, line, 0, &match_info)) {
+        } else if (_g_match_info_clear (&match_info) && g_regex_match (xorg_confd_line_match_is_keyboard_re, line, 0, &match_info)) {
             g_debug ("Parsed line '%s' as MatchIsKeyboard declaration", line);
             if (!in_section)
                 goto no_match;
             entry->type = XORG_CONFD_LINE_TYPE_MATCH_IS_KEYBOARD;
             in_xkb_section = TRUE;
-        } else if (g_regex_match (xorg_confd_line_xkb_layout_re, line, 0, &match_info)) {
+        } else if (_g_match_info_clear (&match_info) && g_regex_match (xorg_confd_line_xkb_layout_re, line, 0, &match_info)) {
             g_debug ("Parsed line '%s' as XkbLayout option", line);
             if (!in_section)
                 goto no_match;
             entry->type = XORG_CONFD_LINE_TYPE_XKB_LAYOUT;
             entry->value = g_match_info_fetch (match_info, 2);
-        } else if (g_regex_match (xorg_confd_line_xkb_model_re, line, 0, &match_info)) {
+        } else if (_g_match_info_clear (&match_info) && g_regex_match (xorg_confd_line_xkb_model_re, line, 0, &match_info)) {
             g_debug ("Parsed line '%s' as XkbModel option", line);
             if (!in_section)
                 goto no_match;
             entry->type = XORG_CONFD_LINE_TYPE_XKB_MODEL;
             entry->value = g_match_info_fetch (match_info, 2);
-        } else if (g_regex_match (xorg_confd_line_xkb_variant_re, line, 0, &match_info)) {
+        } else if (_g_match_info_clear (&match_info) && g_regex_match (xorg_confd_line_xkb_variant_re, line, 0, &match_info)) {
             g_debug ("Parsed line '%s' as XkbVariant option", line);
             if (!in_section)
                 goto no_match;
             entry->type = XORG_CONFD_LINE_TYPE_XKB_VARIANT;
             entry->value = g_match_info_fetch (match_info, 2);
-        } else if (g_regex_match (xorg_confd_line_xkb_options_re, line, 0, &match_info)) {
+        } else if (_g_match_info_clear (&match_info) && g_regex_match (xorg_confd_line_xkb_options_re, line, 0, &match_info)) {
             g_debug ("Parsed line '%s' as XkbOptions option", line);
             if (!in_section)
                 goto no_match;
@@ -515,7 +516,7 @@ xorg_confd_parser_new (GFile *xorg_confd_file,
         if (entry->type == XORG_CONFD_LINE_TYPE_UNKNOWN)
             g_debug ("Parsing line '%s' as unknown", line);
 
-        g_match_info_free (match_info);
+        _g_match_info_clear (&match_info);
         parser->line_list = g_list_prepend (parser->line_list, entry);
         if (in_section) {
             if (entry->type == XORG_CONFD_LINE_TYPE_SECTION_INPUT_CLASS)
@@ -534,7 +535,7 @@ xorg_confd_parser_new (GFile *xorg_confd_file,
   no_match:
         /* Nothing matched... */
         g_free (entry);
-        g_match_info_free (match_info);
+        _g_match_info_clear (&match_info);
         goto parse_fail;
     }
 
@@ -787,7 +788,7 @@ on_handle_set_locale_authorized_cb (GObject *source_object,
     GError *err = NULL;
     struct invoked_locale *data;
     gchar **loc, **var, **val, **locale_values = NULL;
-    ShellUtilsTrivial *locale_file_parsed = NULL;
+    ShellParser *locale_file_parsed = NULL;
 
     data = (struct invoked_locale *) user_data;
     if (!check_polkit_finish (res, &err)) {
@@ -825,16 +826,16 @@ on_handle_set_locale_authorized_cb (GObject *source_object,
         }
     }
 
-    if ((locale_file_parsed = shell_utils_trivial_new (locale_file, &err)) == NULL) {
+    if ((locale_file_parsed = shell_parser_new (locale_file, &err)) == NULL) {
         g_dbus_method_invocation_return_gerror (data->invocation, err);
         G_UNLOCK (locale);
         goto out;
     }
 
-    if (shell_utils_trivial_is_empty (locale_file_parsed)) {
+    if (shell_parser_is_empty (locale_file_parsed)) {
         /* Simply write the new env file */
-        shell_utils_trivial_free (locale_file_parsed);
-        if ((locale_file_parsed = shell_utils_trivial_new_from_string (locale_file, "# Configuration file for eselect\n# This file has been automatically generated\n", &err)) == NULL) {
+        shell_parser_free (locale_file_parsed);
+        if ((locale_file_parsed = shell_parser_new_from_string (locale_file, "# Configuration file for eselect\n# This file has been automatically generated\n", &err)) == NULL) {
             g_dbus_method_invocation_return_gerror (data->invocation, err);
             G_UNLOCK (locale);
             goto out;
@@ -843,12 +844,12 @@ on_handle_set_locale_authorized_cb (GObject *source_object,
 
     for (val = locale_values, var = locale_variables; *var != NULL; val++, var++) {
         if (*val == NULL)
-            shell_utils_trivial_clear_variable (locale_file_parsed, *var);
+            shell_parser_clear_variable (locale_file_parsed, *var);
         else
-            shell_utils_trivial_set_variable (locale_file_parsed, *var, *val, TRUE);
+            shell_parser_set_variable (locale_file_parsed, *var, *val, TRUE);
     }
 
-    if (!shell_utils_trivial_save (locale_file_parsed, &err)) {
+    if (!shell_parser_save (locale_file_parsed, &err)) {
         g_dbus_method_invocation_return_gerror (data->invocation, err);
         G_UNLOCK (locale);
         goto out;
@@ -869,7 +870,7 @@ on_handle_set_locale_authorized_cb (GObject *source_object,
     G_UNLOCK (locale);
 
   out:
-    shell_utils_trivial_free (locale_file_parsed);
+    shell_parser_free (locale_file_parsed);
     g_strfreev (locale_values);
     invoked_locale_free (data);
     if (err != NULL)
@@ -954,7 +955,7 @@ on_handle_set_vconsole_keyboard_authorized_cb (GObject *source_object,
     }
 
     /* We do not set vconsole_keymap_toggle because there is no good equivalent for it in OpenRC */
-    if (!shell_utils_trivial_set_and_save (keymaps_file, &err, "keymap", NULL, data->vconsole_keymap, NULL)) {
+    if (!shell_parser_set_and_save (keymaps_file, &err, "keymap", NULL, data->vconsole_keymap, NULL)) {
         g_dbus_method_invocation_return_gerror (data->invocation, err);
         goto unlock;
     }
@@ -1145,7 +1146,7 @@ on_handle_set_x11_keyboard_authorized_cb (GObject *source_object,
             g_printerr ("Failed to find conversion entry for x11 layout '%s' in '%s'\n", data->x11_layout, filename);
             g_free (filename);
         } else {
-            if (!shell_utils_trivial_set_and_save (keymaps_file, &err, "keymap", NULL, best_entry->vconsole_keymap, NULL)) {
+            if (!shell_parser_set_and_save (keymaps_file, &err, "keymap", NULL, best_entry->vconsole_keymap, NULL)) {
                 g_dbus_method_invocation_return_gerror (data->invocation, err);
                 goto unlock;
             }
@@ -1273,7 +1274,7 @@ localed_init (gboolean _read_only)
     x11_systemd_file = g_file_new_for_path (SYSCONFDIR "/X11/xorg.conf.d/00-keyboard.conf");
 
     locale = g_new0 (gchar *, g_strv_length (locale_variables) + 1);
-    locale_values = shell_utils_trivial_source_var_list (locale_file, (const gchar * const *)locale_variables, &err);
+    locale_values = shell_parser_source_var_list (locale_file, (const gchar * const *)locale_variables, &err);
     if (locale_values != NULL) {
         gchar **variable, **value, **loc;
         loc = locale;
@@ -1291,7 +1292,7 @@ localed_init (gboolean _read_only)
         g_clear_error (&err);
     }
 
-    vconsole_keymap = shell_utils_source_var (keymaps_file, "${keymap}", &err);
+    vconsole_keymap = shell_source_var (keymaps_file, "${keymap}", &err);
     if (vconsole_keymap == NULL)
         vconsole_keymap = g_strdup ("");
     if (err != NULL) {
diff --git a/src/main.c b/src/main.c
index b7d6324..54eb407 100644
--- a/src/main.c
+++ b/src/main.c
@@ -25,7 +25,7 @@
 #include "hostnamed.h"
 #include "localed.h"
 #include "timedated.h"
-#include "shell-utils.h"
+#include "utils.h"
 
 #include "config.h"
 
@@ -76,7 +76,7 @@ main (gint argc, gchar *argv[])
     } else
         g_log_set_default_handler (log_handler, NULL);
 
-    shell_utils_init ();
+    utils_init ();
     hostnamed_init (read_only);
     localed_init (read_only);
     timedated_init (read_only, ntp_preferred_service);
@@ -87,7 +87,7 @@ main (gint argc, gchar *argv[])
     timedated_destroy ();
     localed_destroy ();
     hostnamed_destroy ();
-    shell_utils_destroy ();
+    utils_destroy ();
     g_free (ntp_preferred_service);
     return 0;
 }
diff --git a/src/shell-utils.h b/src/shell-utils.h
deleted file mode 100644
index 629d017..0000000
--- a/src/shell-utils.h
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
-  Copyright 2012 Alexandre Rostovtsev
-
-  This program 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 2 of the License, or
-  (at your option) any later version.
-
-  This program 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, write to the Free Software
-  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-*/
-
-#ifndef _SHELL_UTILS_H_
-#define _SHELL_UTILS_H_
-
-#include <glib.h>
-#include <gio/gio.h>
-
-typedef struct _ShellUtilsTrivial ShellUtilsTrivial;
-
-struct _ShellUtilsTrivial
-{
-  GFile *file;
-  gchar *filename;
-  GList *entry_list;
-};
-
-gchar *
-shell_utils_source_var (GFile *file,
-                        const gchar *variable,
-                        GError **error);
-
-void
-shell_utils_init (void);
-
-void
-shell_utils_destroy (void);
-
-ShellUtilsTrivial *
-shell_utils_trivial_new (GFile *file,
-                         GError **error);
-
-ShellUtilsTrivial *
-shell_utils_trivial_new_from_string (GFile *file,
-                                     gchar *filebuf,
-                                     GError **error);
-
-void
-shell_utils_trivial_free (ShellUtilsTrivial *trivial);
-
-gboolean
-shell_utils_trivial_is_empty (ShellUtilsTrivial *trivial);
-
-gboolean
-shell_utils_trivial_set_variable (ShellUtilsTrivial *trivial,
-                                  const gchar *variable,
-                                  const gchar *value,
-                                  gboolean add_if_unset);
-
-void
-shell_utils_trivial_clear_variable (ShellUtilsTrivial *trivial,
-                                    const gchar *variable);
-
-gboolean
-shell_utils_trivial_save (ShellUtilsTrivial *trivial,
-                          GError **error);
-
-gboolean
-shell_utils_trivial_set_and_save (GFile *file,
-                                  GError **error,
-                                  const gchar *first_var_name,
-                                  const gchar *first_alt_var_name,
-                                  const gchar *first_value,
-                                  ...);
-
-gchar **
-shell_utils_trivial_source_var_list (GFile *file,
-                                     const gchar * const *var_names,
-                                     GError **error);
-#endif
diff --git a/src/timedated.c b/src/timedated.c
index b8a41fc..d6588f4 100644
--- a/src/timedated.c
+++ b/src/timedated.c
@@ -30,8 +30,7 @@
 #include "copypaste/hwclock.h"
 #include "timedated.h"
 #include "timedate1-generated.h"
-#include "bus-utils.h"
-#include "shell-utils.h"
+#include "utils.h"
 
 #include "config.h"
 
@@ -61,7 +60,7 @@ get_local_rtc (GError **error)
     gchar *clock = NULL;
     gboolean ret = FALSE;
 
-    clock = shell_utils_source_var (hwclock_file, "${clock}", error);
+    clock = shell_source_var (hwclock_file, "${clock}", error);
     if (!g_strcmp0 (clock, "local"))
         ret = TRUE;
     return ret;
@@ -468,9 +467,9 @@ on_handle_set_local_rtc_authorized_cb (GObject *source_object,
     }
 
     G_LOCK (clock);
-    clock = shell_utils_source_var (hwclock_file, "${clock}", NULL);
+    clock = shell_source_var (hwclock_file, "${clock}", NULL);
     if (clock != NULL || data->local_rtc)
-        if (!shell_utils_trivial_set_and_save (hwclock_file, &err, "clock", NULL, clock_types[data->local_rtc], NULL)) {
+        if (!shell_parser_set_and_save (hwclock_file, &err, "clock", NULL, clock_types[data->local_rtc], NULL)) {
             g_dbus_method_invocation_return_gerror (data->invocation, err);
             goto unlock;
         }
diff --git a/src/shell-utils.c b/src/utils.c
index f5c9b20..d21f9f4 100644
--- a/src/shell-utils.c
+++ b/src/utils.c
@@ -21,8 +21,9 @@
 
 #include <glib.h>
 #include <gio/gio.h>
+#include <polkit/polkit.h>
 
-#include "shell-utils.h"
+#include "utils.h"
 
 #include "config.h"
 
@@ -34,6 +35,128 @@ GRegex *single_quoted_regex = NULL;
 GRegex *double_quoted_regex = NULL;
 GRegex *unquoted_regex = NULL;
 
+/* Always returns TRUE */
+gboolean
+_g_match_info_clear (GMatchInfo **match_info)
+{
+    if (match_info == NULL || *match_info == NULL)
+        return TRUE;
+    g_match_info_free (*match_info);
+    *match_info = NULL;
+    return TRUE;
+}
+
+struct check_polkit_data {
+    const gchar *unique_name;
+    const gchar *action_id;
+    gboolean user_interaction;
+    GAsyncReadyCallback callback;
+    gpointer user_data;
+
+    PolkitAuthority *authority;
+    PolkitSubject *subject;
+};
+
+void
+check_polkit_data_free (struct check_polkit_data *data)
+{
+    if (data == NULL)
+        return;
+
+    if (data->subject != NULL)
+        g_object_unref (data->subject);
+    if (data->authority != NULL)
+        g_object_unref (data->authority);
+    
+    g_free (data);
+}
+
+gboolean
+check_polkit_finish (GAsyncResult *res,
+                     GError **error)
+{
+    GSimpleAsyncResult *simple;
+
+    simple = G_SIMPLE_ASYNC_RESULT (res);
+    if (g_simple_async_result_propagate_error (simple, error))
+        return FALSE;
+
+    return g_simple_async_result_get_op_res_gboolean (simple);
+}
+
+static void
+check_polkit_authorization_cb (GObject *source_object,
+                               GAsyncResult *res,
+                               gpointer _data)
+{
+    struct check_polkit_data *data;
+    PolkitAuthorizationResult *result;
+    GSimpleAsyncResult *simple;
+    GError *err = NULL;
+
+    data = (struct check_polkit_data *) _data;
+    if ((result = polkit_authority_check_authorization_finish (data->authority, res, &err)) == NULL) {
+        g_simple_async_report_take_gerror_in_idle (NULL, data->callback, data->user_data, err);
+        goto out;
+    }
+ 
+    if (!polkit_authorization_result_get_is_authorized (result)) {
+        g_simple_async_report_error_in_idle (NULL, data->callback, data->user_data, POLKIT_ERROR, POLKIT_ERROR_NOT_AUTHORIZED, "Authorizing for '%s': not authorized", data->action_id);
+        goto out;
+    }
+    simple = g_simple_async_result_new (NULL, data->callback, data->user_data, check_polkit_async);
+    g_simple_async_result_set_op_res_gboolean (simple, TRUE);
+    g_simple_async_result_complete_in_idle (simple);
+    g_object_unref (simple);
+
+  out:
+    check_polkit_data_free (data);
+    if (result != NULL)
+        g_object_unref (result);
+}
+
+static void
+check_polkit_authority_cb (GObject *source_object,
+                           GAsyncResult *res,
+                           gpointer _data)
+{
+    struct check_polkit_data *data;
+    GError *err = NULL;
+
+    data = (struct check_polkit_data *) _data;
+    if ((data->authority = polkit_authority_get_finish (res, &err)) == NULL) {
+        g_simple_async_report_take_gerror_in_idle (NULL, data->callback, data->user_data, err);
+        check_polkit_data_free (data);
+        return;
+    }
+    if (data->unique_name == NULL || data->action_id == NULL || 
+        (data->subject = polkit_system_bus_name_new (data->unique_name)) == NULL) {
+        g_simple_async_report_error_in_idle (NULL, data->callback, data->user_data, POLKIT_ERROR, POLKIT_ERROR_FAILED, "Authorizing for '%s': failed sanity check", data->action_id);
+        check_polkit_data_free (data);
+        return;
+    }
+    polkit_authority_check_authorization (data->authority, data->subject, data->action_id, NULL, (PolkitCheckAuthorizationFlags) data->user_interaction, NULL, check_polkit_authorization_cb, data);
+}
+
+void
+check_polkit_async (const gchar *unique_name,
+                    const gchar *action_id,
+                    const gboolean user_interaction,
+                    GAsyncReadyCallback callback,
+                    gpointer user_data)
+{
+    struct check_polkit_data *data;
+
+    data = g_new0 (struct check_polkit_data, 1);
+    data->unique_name = unique_name;
+    data->action_id = action_id;
+    data->user_interaction = user_interaction;
+    data->callback = callback;
+    data->user_data = user_data;
+
+    polkit_authority_get_async (NULL, check_polkit_authority_cb, data);
+}
+
 enum ShellEntryType {
     SHELL_ENTRY_TYPE_INDENT,
     SHELL_ENTRY_TYPE_COMMENT,
@@ -49,9 +172,9 @@ struct ShellEntry {
 };
 
 gchar *
-shell_utils_source_var (GFile *file,
-                        const gchar *variable,
-                        GError **error)
+shell_source_var (GFile *file,
+                  const gchar *variable,
+                  GError **error)
 {
     gchar *argv[4] = { "sh", "-c", NULL, NULL };
     gchar *filename = NULL, *quoted_filename = NULL;
@@ -110,26 +233,27 @@ shell_entry_free (struct ShellEntry *entry)
 }
 
 void
-shell_utils_trivial_free (ShellUtilsTrivial *trivial)
+shell_parser_free (ShellParser *parser)
 {
-    if (trivial == NULL)
+    if (parser == NULL)
         return;
 
-    if (trivial->file != NULL)
-        g_object_unref (trivial->file);
-    if (trivial->filename != NULL)
-        g_free (trivial->filename);
-    if (trivial->entry_list != NULL)
-        g_list_free_full (trivial->entry_list, (GDestroyNotify)shell_entry_free);
-    g_free (trivial);
+    if (parser->file != NULL)
+        g_object_unref (parser->file);
+    if (parser->filename != NULL)
+        g_free (parser->filename);
+    if (parser->entry_list != NULL)
+        g_list_free_full (parser->entry_list, (GDestroyNotify)shell_entry_free);
+    g_free (parser);
 }
 
-ShellUtilsTrivial *
-shell_utils_trivial_new (GFile *file,
-                         GError **error)
+ShellParser *
+shell_parser_new (GFile *file,
+                  GError **error)
 {
     gchar *filebuf = NULL;
     GError *local_err = NULL;
+    ShellParser *ret = NULL;
 
     if (file == NULL)
         return NULL;
@@ -138,10 +262,8 @@ shell_utils_trivial_new (GFile *file,
         if (local_err != NULL) {
             /* Inability to parse or open is a failure; file not existing at all is *not* a failure */
             if (local_err->code == G_IO_ERROR_NOT_FOUND) {
-                ShellUtilsTrivial *ret = NULL;
-
                 g_error_free (local_err);
-                ret = g_new0 (ShellUtilsTrivial, 1);
+                ret = g_new0 (ShellParser, 1);
                 g_object_ref (file);
                 ret->file = file;
                 ret->filename = g_file_get_path (file);
@@ -155,22 +277,24 @@ shell_utils_trivial_new (GFile *file,
         }
         return NULL;
     }
-    return shell_utils_trivial_new_from_string (file, filebuf, error);
+    ret = shell_parser_new_from_string (file, filebuf, error);
+    g_free (filebuf);
+    return ret;
 }
 
-ShellUtilsTrivial *
-shell_utils_trivial_new_from_string (GFile *file,
+ShellParser *
+shell_parser_new_from_string (GFile *file,
                                      gchar *filebuf,
                                      GError **error)
 {
-    ShellUtilsTrivial *ret = NULL;
+    ShellParser *ret = NULL;
     GError *local_err = NULL;
     gchar *s;
 
     if (file == NULL || filebuf == NULL)
         return NULL;
 
-    ret = g_new0 (ShellUtilsTrivial, 1);
+    ret = g_new0 (ShellParser, 1);
     g_object_ref (file);
     ret->file = file;
     ret->filename = g_file_get_path (file);
@@ -191,13 +315,11 @@ shell_utils_trivial_new_from_string (GFile *file,
             ret->entry_list = g_list_prepend (ret->entry_list, entry);
             s += strlen (entry->string);
             g_debug ("Scanned comment: ``%s''", entry->string);
-            g_match_info_free (match_info);
-            match_info = NULL;
+            _g_match_info_clear (&match_info);
             want_separator = FALSE;
             continue;
         }
-        g_match_info_free (match_info);
-        match_info = NULL;
+        _g_match_info_clear (&match_info);
 
         matched = g_regex_match (separator_regex, s, 0, &match_info);
         if (matched) {
@@ -207,13 +329,11 @@ shell_utils_trivial_new_from_string (GFile *file,
             ret->entry_list = g_list_prepend (ret->entry_list, entry);
             s += strlen (entry->string);
             g_debug ("Scanned separator: ``%s''", entry->string);
-            g_match_info_free (match_info);
-            match_info = NULL;
+            _g_match_info_clear (&match_info);
             want_separator = FALSE;
             continue;
         }
-        g_match_info_free (match_info);
-        match_info = NULL;
+        _g_match_info_clear (&match_info);
 
         matched = g_regex_match (indent_regex, s, 0, &match_info);
         if (matched) {
@@ -223,12 +343,10 @@ shell_utils_trivial_new_from_string (GFile *file,
             ret->entry_list = g_list_prepend (ret->entry_list, entry);
             s += strlen (entry->string);
             g_debug ("Scanned indent: ``%s''", entry->string);
-            g_match_info_free (match_info);
-            match_info = NULL;
+            _g_match_info_clear (&match_info);
             continue;
         }
-        g_match_info_free (match_info);
-        match_info = NULL;
+        _g_match_info_clear (&match_info);
 
         matched = g_regex_match (var_equals_regex, s, 0, &match_info);
         if (matched) {
@@ -243,8 +361,7 @@ shell_utils_trivial_new_from_string (GFile *file,
             entry->variable = g_match_info_fetch (match_info, 1);
             s += strlen (entry->string);
             g_debug ("Scanned variable: ``%s''", entry->string);
-            g_match_info_free (match_info);
-            match_info = NULL;
+            _g_match_info_clear (&match_info);
             want_separator = TRUE;
 
             while (*s != 0) {
@@ -255,26 +372,23 @@ shell_utils_trivial_new_from_string (GFile *file,
                 if (matched2)
                     goto append_value;
 
-                g_match_info_free (match_info);
-                match_info = NULL;
+                _g_match_info_clear (&match_info);
 
                 matched2 = g_regex_match (double_quoted_regex, s, 0, &match_info);
                 if (matched2)
                     goto append_value;
 
-                g_match_info_free (match_info);
-                match_info = NULL;
+                _g_match_info_clear (&match_info);
 
                 matched2 = g_regex_match (unquoted_regex, s, 0, &match_info);
                 if (matched2)
                     goto append_value;
 
-                g_match_info_free (match_info);
-                match_info = NULL;
+                _g_match_info_clear (&match_info);
 
                 break;
-append_value:
 
+  append_value:
                 if (raw_value == NULL) {
                     raw_value = g_match_info_fetch (match_info, 0);
                     s += strlen (raw_value);
@@ -288,8 +402,7 @@ append_value:
                     g_free (temp1);
                     g_free (temp2);
                 }
-                g_match_info_free (match_info);
-                match_info = NULL;
+                _g_match_info_clear (&match_info);
             }
 
             if (raw_value != NULL) {
@@ -307,17 +420,16 @@ append_value:
             continue;
         }
 
-no_match:
+  no_match:
         /* Nothing matches, parsing has failed! */
-        g_match_info_free (match_info);
-        match_info = NULL;
+        _g_match_info_clear (&match_info);
         if (local_err != NULL)
             g_propagate_prefixed_error (error, local_err, "Unable to parse '%s':", ret->filename);
         else
             g_propagate_error (error,
                                g_error_new (G_FILE_ERROR, G_FILE_ERROR_FAILED,
                                             "Unable to parse '%s'", ret->filename));
-        shell_utils_trivial_free (ret);
+        shell_parser_free (ret);
         return NULL;
     }
 
@@ -326,28 +438,28 @@ no_match:
 }
 
 gboolean
-shell_utils_trivial_is_empty (ShellUtilsTrivial *trivial)
+shell_parser_is_empty (ShellParser *parser)
 {
-    if (trivial == NULL || trivial->entry_list == NULL)
+    if (parser == NULL || parser->entry_list == NULL)
         return TRUE;
     return FALSE;
 }
 
 gboolean
-shell_utils_trivial_set_variable (ShellUtilsTrivial *trivial,
-                                  const gchar *variable,
-                                  const gchar *value,
-                                  gboolean add_if_unset)
+shell_parser_set_variable (ShellParser *parser,
+                           const gchar *variable,
+                           const gchar *value,
+                           gboolean add_if_unset)
 {
     GList *curr = NULL;
     struct ShellEntry *found_entry = NULL;
     gchar *quoted_value = NULL;
     gboolean ret = FALSE;
 
-    g_assert (trivial != NULL);
+    g_assert (parser != NULL);
     g_assert (variable != NULL);
 
-    for (curr = trivial->entry_list; curr != NULL; curr = curr->next) {
+    for (curr = parser->entry_list; curr != NULL; curr = curr->next) {
         struct ShellEntry *entry;
 
         entry = (struct ShellEntry *)(curr->data);
@@ -367,7 +479,7 @@ shell_utils_trivial_set_variable (ShellUtilsTrivial *trivial,
             found_entry->type = SHELL_ENTRY_TYPE_ASSIGNMENT;
             found_entry->variable = g_strdup (variable);
             found_entry->string = g_strdup_printf ("%s=%s", variable, quoted_value);
-            trivial->entry_list = g_list_append (trivial->entry_list, found_entry);
+            parser->entry_list = g_list_append (parser->entry_list, found_entry);
             ret = TRUE;
         }
     }
@@ -377,16 +489,16 @@ shell_utils_trivial_set_variable (ShellUtilsTrivial *trivial,
 }
 
 void
-shell_utils_trivial_clear_variable (ShellUtilsTrivial *trivial,
-                                    const gchar *variable)
+shell_parser_clear_variable (ShellParser *parser,
+                             const gchar *variable)
 {
     GList *curr = NULL;
     gboolean ret = FALSE;
 
-    g_assert (trivial != NULL);
+    g_assert (parser != NULL);
     g_assert (variable != NULL);
 
-    for (curr = trivial->entry_list; curr != NULL; ) {
+    for (curr = parser->entry_list; curr != NULL; ) {
         struct ShellEntry *entry;
 
         entry = (struct ShellEntry *)(curr->data);
@@ -409,32 +521,32 @@ shell_utils_trivial_clear_variable (ShellUtilsTrivial *trivial,
 }
 
 gboolean
-shell_utils_trivial_save (ShellUtilsTrivial *trivial,
-                          GError **error)
+shell_parser_save (ShellParser *parser,
+                   GError **error)
 {
     gboolean ret = FALSE;
     GList *curr = NULL;
     GFileOutputStream *os;
 
-    g_assert (trivial != NULL && trivial->file != NULL && trivial->filename != NULL);
-    if ((os = g_file_replace (trivial->file, NULL, FALSE, G_FILE_CREATE_NONE, NULL, error)) == NULL) {
-        g_prefix_error (error, "Unable to save '%s': ", trivial->filename);
+    g_assert (parser != NULL && parser->file != NULL && parser->filename != NULL);
+    if ((os = g_file_replace (parser->file, NULL, FALSE, G_FILE_CREATE_NONE, NULL, error)) == NULL) {
+        g_prefix_error (error, "Unable to save '%s': ", parser->filename);
         goto out;
     }
 
-    for (curr = trivial->entry_list; curr != NULL; curr = curr->next) {
+    for (curr = parser->entry_list; curr != NULL; curr = curr->next) {
         struct ShellEntry *entry;
         gsize written;
 
         entry = (struct ShellEntry *)(curr->data);
         if (!g_output_stream_write_all (G_OUTPUT_STREAM (os), entry->string, strlen (entry->string), &written, NULL, error)) {
-            g_prefix_error (error, "Unable to save '%s': ", trivial->filename);
+            g_prefix_error (error, "Unable to save '%s': ", parser->filename);
             goto out;
         }
     }
     
     if (!g_output_stream_close (G_OUTPUT_STREAM (os), NULL, error)) {
-        g_prefix_error (error, "Unable to save '%s': ", trivial->filename);
+        g_prefix_error (error, "Unable to save '%s': ", parser->filename);
         g_output_stream_close (G_OUTPUT_STREAM (os), NULL, NULL);
         goto out;
     }
@@ -447,20 +559,20 @@ shell_utils_trivial_save (ShellUtilsTrivial *trivial,
 }
 
 gboolean
-shell_utils_trivial_set_and_save (GFile *file,
-                                  GError **error,
-                                  const gchar *first_var_name,
-                                  const gchar *first_alt_var_name,
-                                  const gchar *first_value,
-                                  ...)
+shell_parser_set_and_save (GFile *file,
+                           GError **error,
+                           const gchar *first_var_name,
+                           const gchar *first_alt_var_name,
+                           const gchar *first_value,
+                           ...)
 {
     va_list ap;
-    ShellUtilsTrivial *trivial;
+    ShellParser *parser;
     gboolean ret = FALSE;
     const gchar *var_name, *alt_var_name, *value;
 
     va_start (ap, first_value);
-    if ((trivial = shell_utils_trivial_new (file, error)) == NULL)
+    if ((parser = shell_parser_new (file, error)) == NULL)
         goto out;
 
     var_name = first_var_name;
@@ -468,56 +580,56 @@ shell_utils_trivial_set_and_save (GFile *file,
     value = first_value;
     do {
         if (alt_var_name == NULL) {
-            if (!shell_utils_trivial_set_variable (trivial, var_name, value, TRUE)) {
+            if (!shell_parser_set_variable (parser, var_name, value, TRUE)) {
                 g_propagate_error (error,
                         g_error_new (G_FILE_ERROR, G_FILE_ERROR_FAILED,
-                                    "Unable to set %s in '%s'", var_name, trivial->filename));
+                                    "Unable to set %s in '%s'", var_name, parser->filename));
                 goto out;
             }
         } else {
-            if (!shell_utils_trivial_set_variable (trivial, var_name, value, FALSE) &&
-                !shell_utils_trivial_set_variable (trivial, alt_var_name, value, FALSE) &&
-                !shell_utils_trivial_set_variable (trivial, var_name, value, TRUE)) {
+            if (!shell_parser_set_variable (parser, var_name, value, FALSE) &&
+                !shell_parser_set_variable (parser, alt_var_name, value, FALSE) &&
+                !shell_parser_set_variable (parser, var_name, value, TRUE)) {
                     g_propagate_error (error,
                             g_error_new (G_FILE_ERROR, G_FILE_ERROR_FAILED,
-                                        "Unable to set %s or %s in '%s'", var_name, alt_var_name, trivial->filename));
+                                        "Unable to set %s or %s in '%s'", var_name, alt_var_name, parser->filename));
                     goto out;
             }
         }
     } while ((var_name = va_arg (ap, const gchar*)) != NULL ?
                  alt_var_name = va_arg (ap, const gchar*), value = va_arg (ap, const gchar*), 1 : 0);
 
-    if (!shell_utils_trivial_save (trivial, error))
+    if (!shell_parser_save (parser, error))
         goto out;
 
     ret = TRUE;
 
   out:
     va_end (ap);
-    if (trivial != NULL)
-        shell_utils_trivial_free (trivial);
+    if (parser != NULL)
+        shell_parser_free (parser);
     return ret;
 }
 
 gchar **
-shell_utils_trivial_source_var_list (GFile *file,
-                                     const gchar * const *var_names,
-                                     GError **error)
+shell_parser_source_var_list (GFile *file,
+                              const gchar * const *var_names,
+                              GError **error)
 {
-    ShellUtilsTrivial *trivial;
+    ShellParser *parser;
     gchar **ret = NULL, **value;
     const gchar* const* var_name;
 
     if (var_names == NULL)
         return NULL;
 
-    if ((trivial = shell_utils_trivial_new (file, error)) == NULL)
+    if ((parser = shell_parser_new (file, error)) == NULL)
         return NULL;
 
     ret = g_new0 (gchar *, g_strv_length ((gchar **)var_names) + 1);
     for (var_name = var_names, value = ret; *var_name != NULL; var_name++, value++) {
         GList *curr;
-        for (curr = trivial->entry_list; curr != NULL; curr = curr->next) {
+        for (curr = parser->entry_list; curr != NULL; curr = curr->next) {
             struct ShellEntry *entry;
 
             entry = (struct ShellEntry *)(curr->data);
@@ -525,12 +637,12 @@ shell_utils_trivial_source_var_list (GFile *file,
                 *value = g_strdup (entry->unquoted_value);
         }
     }
-    shell_utils_trivial_free (trivial);
+    shell_parser_free (parser);
     return ret;
 }
 
 void
-shell_utils_destroy (void)
+utils_destroy (void)
 {
     if (indent_regex != NULL) {
         g_regex_unref (indent_regex);
@@ -563,7 +675,7 @@ shell_utils_destroy (void)
 }
 
 void
-shell_utils_init (void)
+utils_init (void)
 {
     if (indent_regex == NULL) {
         indent_regex = g_regex_new ("^[ \\t]+", G_REGEX_ANCHORED, 0, NULL);
diff --git a/src/utils.h b/src/utils.h
new file mode 100644
index 0000000..bf03d3e
--- /dev/null
+++ b/src/utils.h
@@ -0,0 +1,102 @@
+/*
+  Copyright 2012 Alexandre Rostovtsev
+
+  This program 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 2 of the License, or
+  (at your option) any later version.
+
+  This program 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, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef _SHELL_UTILS_H_
+#define _SHELL_UTILS_H_
+
+#include <glib.h>
+#include <gio/gio.h>
+
+typedef struct _ShellParser ShellParser;
+
+struct _ShellParser
+{
+  GFile *file;
+  gchar *filename;
+  GList *entry_list;
+};
+
+/* Always return TRUE */
+gboolean
+_g_match_info_clear (GMatchInfo **match_info);
+
+void
+check_polkit_async (const gchar *unique_name,
+                    const gchar *action_id,
+                    const gboolean user_interaction,
+                    GAsyncReadyCallback callback,
+                    gpointer user_data);
+
+gboolean
+check_polkit_finish (GAsyncResult *res,
+                     GError **error);
+
+gchar *
+shell_source_var (GFile *file,
+                  const gchar *variable,
+                  GError **error);
+
+ShellParser *
+shell_parser_new (GFile *file,
+                  GError **error);
+
+ShellParser *
+shell_parser_new_from_string (GFile *file,
+                              gchar *filebuf,
+                              GError **error);
+
+void
+shell_parser_free (ShellParser *parser);
+
+gboolean
+shell_parser_is_empty (ShellParser *parser);
+
+gboolean
+shell_parser_set_variable (ShellParser *parser,
+                                  const gchar *variable,
+                                  const gchar *value,
+                                  gboolean add_if_unset);
+
+void
+shell_parser_clear_variable (ShellParser *parser,
+                             const gchar *variable);
+
+gboolean
+shell_parser_save (ShellParser *parser,
+                   GError **error);
+
+gboolean
+shell_parser_set_and_save (GFile *file,
+                           GError **error,
+                           const gchar *first_var_name,
+                           const gchar *first_alt_var_name,
+                           const gchar *first_value,
+                           ...);
+
+gchar **
+shell_parser_source_var_list (GFile *file,
+                              const gchar * const *var_names,
+                              GError **error);
+
+void
+utils_init (void);
+
+void
+utils_destroy (void);
+
+#endif