]> git.ozlabs.org Git - petitboot/blobdiff - ui/ncurses/nc-cui.c
ui/ncurses: Add nc-auth and authenticate when required.
[petitboot] / ui / ncurses / nc-cui.c
index 87540cad66243f8ac56267122879ab43836005fb..495f78599b7b6ef3f72e061cf8e0e3c7f793814d 100644 (file)
@@ -47,6 +47,7 @@
 #include "nc-statuslog.h"
 #include "nc-subset.h"
 #include "nc-plugin.h"
+#include "nc-auth.h"
 #include "console-codes.h"
 
 extern const struct help_text main_menu_help_text;
@@ -58,6 +59,28 @@ static struct pmenu *main_menu_init(struct cui *cui);
 static struct pmenu *plugin_menu_init(struct cui *cui);
 
 static void cui_cancel_autoboot_on_exit(struct cui *cui);
+static void cui_auth_exit(struct cui *cui);
+
+static struct {
+       int key;
+       struct autoboot_option opt;
+} autoboot_override_keys[] = {
+       { KEY_F(10), {
+                       .boot_type = BOOT_DEVICE_TYPE,
+                       .type = DEVICE_TYPE_DISK,
+               },
+       },
+       { KEY_F(11), {
+                       .boot_type = BOOT_DEVICE_TYPE,
+                       .type = DEVICE_TYPE_USB,
+               },
+       },
+       { KEY_F(12), {
+                       .boot_type = BOOT_DEVICE_TYPE,
+                       .type = DEVICE_TYPE_NETWORK,
+               },
+       },
+};
 
 static bool lockdown_active(void)
 {
@@ -71,16 +94,30 @@ static bool lockdown_active(void)
 #endif
 }
 
+static void cui_set_curses_options(bool curses_mode)
+{
+       if (curses_mode) {
+               cbreak();                       /* Disable line buffering. */
+               noecho();                       /* Disable getch() echo. */
+               nonl();                         /* Disable new-line translation. */
+               intrflush(stdscr, FALSE);       /* Disable interrupt flush. */
+               curs_set(0);                    /* Make cursor invisible */
+               nodelay(stdscr, TRUE);          /* Enable non-blocking getch() */
+       } else {
+               nocbreak();                     /* Enable line buffering. */
+               echo();                         /* Enable getch() echo. */
+               nl();                           /* Enable new-line translation. */
+               intrflush(stdscr, TRUE);        /* Enable interrupt flush. */
+               curs_set(1);                    /* Make cursor visible */
+               nodelay(stdscr, FALSE);         /* Disable non-blocking getch() */
+       }
+}
+
 static void cui_start(void)
 {
        initscr();                      /* Initialize ncurses. */
-       cbreak();                       /* Disable line buffering. */
-       noecho();                       /* Disable getch() echo. */
        keypad(stdscr, TRUE);           /* Enable num keypad keys. */
-       nonl();                         /* Disable new-line translation. */
-       intrflush(stdscr, FALSE);       /* Disable interrupt flush. */
-       curs_set(0);                    /* Make cursor invisible */
-       nodelay(stdscr, TRUE);          /* Enable non-blocking getch() */
+       cui_set_curses_options(true);
 
        /* We may be operating with an incorrect $TERM type; in this case
         * the keymappings will be slightly broken. We want at least
@@ -148,7 +185,7 @@ static void cui_atexit(void)
 
 void cui_abort(struct cui *cui)
 {
-       pb_log("%s: exiting\n", __func__);
+       pb_log_fn("exiting\n");
        cui->abort = 1;
 }
 
@@ -171,31 +208,28 @@ void cui_resize(struct cui *cui)
 void cui_on_exit(struct pmenu *menu)
 {
        struct cui *cui = cui_from_pmenu(menu);
-       char *sh_cmd;
 
        cui_cancel_autoboot_on_exit(cui);
 
-       sh_cmd = talloc_asprintf(cui,
-               "echo \"Exiting petitboot. Type 'exit' to return.\";\
-                echo \"You may run 'pb-sos' to gather diagnostic data\";\
-                %s", pb_system_apps.sh);
-
-       if (!sh_cmd) {
-               pb_log("Failed to allocate shell arguments\n");
-               return;
-       }
-
        const char *argv[] = {
                pb_system_apps.sh,
-               "-c",
-               sh_cmd,
                NULL
        };
 
        cui_run_cmd(cui, argv);
 
        nc_scr_status_printf(cui->current, _("Returned from shell"));
-       talloc_free(sh_cmd);
+}
+
+/**
+ * cui_abort_on_exit - Force an exit of the main loop on menu exit.
+ *                     This is mainly for lockdown situations where
+ *                     the exit then triggers an expected reboot.
+ */
+void cui_abort_on_exit(struct pmenu *menu)
+{
+       struct cui *cui = cui_from_pmenu(menu);
+       cui->abort = 1;
 }
 
 /**
@@ -217,11 +251,9 @@ int cui_run_cmd(struct cui *cui, const char **cmd_argv)
 
        nc_scr_status_printf(cui->current, _("Running %s..."), cmd_argv[0]);
 
-       nc_scr_unpost(cui->current);
+       def_prog_mode();
        clear();
        refresh();
-
-       def_prog_mode();
        endwin();
 
        result = process_run_sync(process);
@@ -233,7 +265,7 @@ int cui_run_cmd(struct cui *cui, const char **cmd_argv)
        nc_scr_post(cui->current);
 
        if (result) {
-               pb_log("%s: failed: '%s'\n", __func__, cmd_argv[0]);
+               pb_log_fn("failed: '%s'\n", cmd_argv[0]);
                nc_scr_status_printf(cui->current, _("Failed: %s"),
                                cmd_argv[0]);
        }
@@ -277,6 +309,99 @@ static int cui_boot(struct pmenu_item *item)
        return 0;
 }
 
+static int menu_sysinfo_execute(struct pmenu_item *item)
+{
+       cui_show_sysinfo(cui_from_item(item));
+       return 0;
+}
+
+static int menu_config_execute(struct pmenu_item *item)
+{
+       cui_show_config(cui_from_item(item));
+       return 0;
+}
+
+static int menu_lang_execute(struct pmenu_item *item)
+{
+       cui_show_lang(cui_from_item(item));
+       return 0;
+}
+
+static int menu_statuslog_execute(struct pmenu_item *item)
+{
+       cui_show_statuslog(cui_from_item(item));
+       return 0;
+}
+
+static void menu_reinit_cb(struct nc_scr *scr)
+{
+       struct pmenu *menu = pmenu_from_scr(scr);
+
+       cui_send_reinit(cui_from_pmenu(menu));
+}
+
+static int menu_reinit_execute(struct pmenu_item *item)
+{
+       struct cui *cui = cui_from_item(item);
+
+       if (!cui->client)
+               return 0;
+
+       /* If we don't need to authenticate, send the reinit immediately */
+       if (discover_client_authenticated(cui->client)) {
+               cui_send_reinit(cui);
+               return 0;
+       }
+
+       if (!cui->current)
+               return 0;
+
+       if (cui->auth_screen)
+               return 0;
+
+       cui->auth_screen = auth_screen_init(cui, cui->current->main_ncw,
+                       false, menu_reinit_cb, cui_auth_exit);
+
+       if (cui->auth_screen)
+               cui_set_current(cui, auth_screen_scr(cui->auth_screen));
+
+       return 0;
+}
+
+static int menu_add_url_execute(struct pmenu_item *item)
+{
+       if (cui_from_item(item)->client)
+               cui_show_add_url(cui_from_item(item));
+       return 0;
+}
+
+static int menu_plugin_execute(struct pmenu_item *item)
+{
+       if (cui_from_item(item)->client)
+               cui_show_plugin_menu(cui_from_item(item));
+       return 0;
+}
+
+static void cui_boot_cb(struct nc_scr *scr)
+{
+       struct pmenu *menu = pmenu_from_scr(scr);
+
+       if (pmenu_find_selected(menu))
+               cui_boot(pmenu_find_selected(menu));
+}
+
+static int cui_boot_check(struct pmenu_item *item)
+{
+       struct cui *cui = cui_from_item(item);
+
+       if (discover_client_authenticated(cui->client))
+               return cui_boot(item);
+
+       cui_show_auth(cui, item->pmenu->scr.main_ncw, false, cui_boot_cb);
+
+       return 0;
+}
+
 static void cui_boot_editor_on_exit(struct cui *cui,
                struct pmenu_item *item,
                struct pb_boot_data *bd)
@@ -308,7 +433,7 @@ static void cui_boot_editor_on_exit(struct cui *cui,
                }
 
                item->on_edit = cui_item_edit;
-               item->on_execute = cui_boot;
+               item->on_execute = cui_boot_check;
                item->data = cod;
 
                talloc_steal(item, cod);
@@ -367,6 +492,52 @@ void cui_item_new(struct pmenu *menu)
        cui_set_current(cui, boot_editor_scr(cui->boot_editor));
 }
 
+
+/* Call pb-plugin to install a plugin specified by plugin_file */
+static int cui_install_plugin(struct pmenu_item *item)
+{
+       struct cui *cui = cui_from_item(item);
+       struct cui_opt_data *cod = cod_from_item(item);
+       int rc;
+
+       rc = cui_send_plugin_install(cui, cod->pd->plugin_file);
+
+       if (rc) {
+               pb_log("cui_send_plugin_install failed!\n");
+               nc_scr_status_printf(cui->current,
+                               _("Failed to send install request"));
+       } else {
+               nc_scr_status_printf(cui->current, _("Installing plugin %s"),
+                               cod->pd->plugin_file);
+               pb_debug("cui_send_plugin_install sent!\n");
+       }
+
+       return rc;
+}
+
+static void cui_plugin_install_cb(struct nc_scr *scr)
+{
+       struct pmenu *menu = pmenu_from_scr(scr);
+
+       if (pmenu_find_selected(menu))
+               cui_install_plugin(pmenu_find_selected(menu));
+       else
+               pb_debug("%s: no current item\n", __func__);
+}
+
+static int cui_plugin_install_check(struct pmenu_item *item)
+{
+       struct cui *cui = cui_from_item(item);
+
+       if (discover_client_authenticated(cui->client))
+               return cui_install_plugin(item);
+
+       cui_show_auth(cui, item->pmenu->scr.main_ncw, false,
+                       cui_plugin_install_cb);
+
+       return 0;
+}
+
 static void cui_sysinfo_exit(struct cui *cui)
 {
        cui_set_current(cui, &cui->main->scr);
@@ -505,6 +676,39 @@ void cui_show_subset(struct cui *cui, const char *title,
                cui_set_current(cui, subset_screen_scr(cui->subset_screen));
 }
 
+static void cui_auth_exit(struct cui *cui)
+{
+       struct nc_scr *return_scr = auth_screen_return_scr(cui->auth_screen);
+
+       /*
+        * Destroy the auth screen first so that the subwindow is cleaned up
+        * before the return_scr posts. If we don't do this operations on the
+        * main_ncw can cause a blank screen at first (eg. status update).
+        */
+       nc_scr_unpost(cui->current);
+       talloc_free(cui->auth_screen);
+       cui->auth_screen = NULL;
+
+       cui->current = return_scr;
+       nc_scr_post(cui->current);
+}
+
+void cui_show_auth(struct cui *cui, WINDOW *parent, bool set_password,
+               void (*callback)(struct nc_scr *))
+{
+       if (!cui->current)
+               return;
+
+       if (cui->auth_screen)
+               return;
+
+       cui->auth_screen = auth_screen_init(cui, parent, set_password,
+                       callback, cui_auth_exit);
+
+       if (cui->auth_screen)
+               cui_set_current(cui, auth_screen_scr(cui->auth_screen));
+}
+
 /**
  * cui_set_current - Set the currently active screen and redraw it.
  */
@@ -527,22 +731,50 @@ struct nc_scr *cui_set_current(struct cui *cui, struct nc_scr *scr)
        return old;
 }
 
+static bool set_temp_autoboot_opt(struct cui *cui, struct autoboot_option *opt)
+{
+       cui->autoboot_opt = opt;
+       if (cui->client)
+               discover_client_send_temp_autoboot(cui->client, opt);
+
+       return true;
+}
+
 static bool key_cancels_boot(int key)
 {
+       unsigned int i;
+
        if (key == 0xc)
                return false;
 
+       for (i = 0; i < ARRAY_SIZE(autoboot_override_keys); i++)
+               if (key == autoboot_override_keys[i].key)
+                       return false;
+
        return true;
 }
 
 static bool process_global_keys(struct cui *cui, int key)
 {
+       unsigned int i;
+
        switch (key) {
        case 0xc:
                if (cui->current && cui->current->main_ncw)
                        wrefresh(curscr);
                return true;
        }
+
+       /* check for autoboot override keys */
+       for (i = 0; i < ARRAY_SIZE(autoboot_override_keys); i++) {
+               if (key != autoboot_override_keys[i].key)
+                       continue;
+
+               pb_log("Sending temporary autoboot override\n");
+               set_temp_autoboot_opt(cui, &autoboot_override_keys[i].opt);
+               return true;
+       }
+
        return false;
 }
 
@@ -590,6 +822,12 @@ static int cui_process_key(void *arg)
                        }
                }
 
+               if (cui->preboot_mode) {
+                       /* Turn curses options back on if the user interacts */
+                       cui->preboot_mode = false;
+                       cui_set_curses_options(true);
+               }
+
                if (!cui->has_input && key_cancels_boot(c)) {
                        cui->has_input = true;
                        if (cui->client) {
@@ -639,7 +877,7 @@ static void cui_handle_resize(struct cui *cui)
        struct winsize ws;
 
        if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
-               pb_log("%s: ioctl failed: %s\n", __func__, strerror(errno));
+               pb_log_fn("ioctl failed: %s\n", strerror(errno));
                return;
        }
 
@@ -705,10 +943,10 @@ static int cui_boot_option_add(struct device *dev, struct boot_option *opt,
 
        if (plugin_option) {
                i->on_edit = NULL;
-               i->on_execute = plugin_install_plugin;
+               i->on_execute = cui_plugin_install_check;
        } else {
                i->on_edit = cui_item_edit;
-               i->on_execute = cui_boot;
+               i->on_execute = cui_boot_check;
        }
 
        i->data = cod = talloc(i, struct cui_opt_data);
@@ -734,7 +972,7 @@ static int cui_boot_option_add(struct device *dev, struct boot_option *opt,
        result = set_menu_items(menu->ncm, NULL);
 
        if (result)
-               pb_log("%s: set_menu_items failed: %d\n", __func__, result);
+               pb_log_fn("set_menu_items failed: %d\n", result);
 
        /* Insert new items at insert_pt. */
        if (dev_hdr) {
@@ -749,10 +987,10 @@ static int cui_boot_option_add(struct device *dev, struct boot_option *opt,
        }
 
        if (plugin_option) {
-               pb_log("%s: adding plugin '%s'\n", __func__, cod->name);
+               pb_log_fn("adding plugin '%s'\n", cod->name);
                pb_log("   file  '%s'\n", cod->pd->plugin_file);
        } else {
-               pb_log("%s: adding opt '%s'\n", __func__, cod->name);
+               pb_log_fn("adding opt '%s'\n", cod->name);
                pb_log("   image  '%s'\n", cod->bd->image);
                pb_log("   initrd '%s'\n", cod->bd->initrd);
                pb_log("   args   '%s'\n", cod->bd->args);
@@ -766,10 +1004,10 @@ static int cui_boot_option_add(struct device *dev, struct boot_option *opt,
                result = set_menu_items(cui->main->ncm, NULL);
                for (j = 0 ; j < cui->main->item_count; j++) {
                        item = item_userptr(cui->main->items[j]);
-                       if (strncmp(item->nci->name.str, "Plugins", strlen("Plugins")))
+                       if (item->on_execute != menu_plugin_execute)
                                continue;
                        cui->n_plugins++;
-                       char *label = talloc_asprintf(item, "Plugins (%u)",
+                       char *label = talloc_asprintf(item, _("Plugins (%u)"),
                                        cui->n_plugins);
                        pmenu_item_update(item, label);
                        talloc_free(label);
@@ -777,14 +1015,14 @@ static int cui_boot_option_add(struct device *dev, struct boot_option *opt,
                }
                result = set_menu_items(cui->main->ncm, cui->main->items);
                if (result)
-                       pb_log("%s: set_menu_items failed: %d\n", __func__, result);
+                       pb_log_fn("set_menu_items failed: %d\n", result);
        }
 
        /* Re-attach the items array. */
        result = set_menu_items(menu->ncm, menu->items);
 
        if (result)
-               pb_log("%s: set_menu_items failed: %d\n", __func__, result);
+               pb_log_fn("set_menu_items failed: %d\n", result);
 
        if (0) {
                pb_log("%s\n", __func__);
@@ -829,7 +1067,7 @@ static void cui_device_remove(struct device *dev, void *arg)
        int rows, cols, top, last;
        int result;
 
-       pb_log("%s: %p %s\n", __func__, dev, dev->id);
+       pb_log_fn("%p %s\n", dev, dev->id);
 
        if (cui->current == &cui->main->scr)
                nc_scr_unpost(cui->current);
@@ -842,7 +1080,7 @@ static void cui_device_remove(struct device *dev, void *arg)
        result |= set_menu_items(cui->plugin_menu->ncm, NULL);
 
        if (result)
-               pb_log("%s: set_menu_items failed: %d\n", __func__, result);
+               pb_log_fn("set_menu_items failed: %d\n", result);
 
        list_for_each_entry(&dev->boot_options, opt, list) {
                struct pmenu_item *item = pmenu_item_from_arg(opt->ui_info);
@@ -899,7 +1137,7 @@ static void cui_device_remove(struct device *dev, void *arg)
        }
 
        if (result)
-               pb_log("%s: set_menu_items failed: %d\n", __func__, result);
+               pb_log_fn("set_menu_items failed: %d\n", result);
 
        if (0) {
                pb_log("%s\n", __func__);
@@ -920,8 +1158,21 @@ static void cui_update_status(struct status *status, void *arg)
        statuslog_append_steal(cui, cui->statuslog, status);
 
        /* Ignore status messages from the backlog */
-       if (!status->backlog)
-               nc_scr_status_printf(cui->current, "%s", status->message);
+       if (status->backlog)
+               return;
+
+       nc_scr_status_printf(cui->current, "%s", status->message);
+
+       if (cui->preboot_mode &&
+               (!status->boot_active || status->type == STATUS_ERROR)) {
+               cui_set_curses_options(true);
+               cui->preboot_mode = false;
+       } else {
+               cui->preboot_mode = status->boot_active &&
+                                               status->type == STATUS_INFO;
+               if (cui->preboot_mode)
+                       cui_set_curses_options(false);
+       }
 }
 
 /*
@@ -1054,10 +1305,10 @@ static int cui_plugins_remove(void *arg)
        set_menu_items(cui->main->ncm, NULL);
        for (i = 0; i < cui->main->item_count; i++) {
                item = item_userptr(cui->main->items[i]);
-               if (strncmp(item->nci->name.str, "Plugins", strlen("Plugins")))
+               if (item->on_execute != menu_plugin_execute)
                        continue;
                cui->n_plugins = 0;
-               pmenu_item_update(item, "Plugins (0)");
+               pmenu_item_update(item, _("Plugins (0)"));
                break;
        }
 
@@ -1125,7 +1376,7 @@ static void cui_update_sysinfo(struct system_info *sysinfo, void *arg)
        cui_update_mm_title(cui);
 }
 
-static void cui_update_language(struct cui *cui, char *lang)
+void cui_update_language(struct cui *cui, const char *lang)
 {
        bool repost_menu;
        char *cur_lang;
@@ -1189,54 +1440,20 @@ int cui_send_plugin_install(struct cui *cui, char *file)
        return discover_client_send_plugin_install(cui->client, file);
 }
 
-void cui_send_reinit(struct cui *cui)
-{
-       discover_client_send_reinit(cui->client);
-}
-
-static int menu_sysinfo_execute(struct pmenu_item *item)
-{
-       cui_show_sysinfo(cui_from_item(item));
-       return 0;
-}
-
-static int menu_config_execute(struct pmenu_item *item)
+int cui_send_authenticate(struct cui *cui, char *password)
 {
-       cui_show_config(cui_from_item(item));
-       return 0;
+       return discover_client_send_authenticate(cui->client, password);
 }
 
-static int menu_lang_execute(struct pmenu_item *item)
+int cui_send_set_password(struct cui *cui, char *password, char *new_password)
 {
-       cui_show_lang(cui_from_item(item));
-       return 0;
+       return discover_client_send_set_password(cui->client, password,
+                       new_password);
 }
 
-static int menu_statuslog_execute(struct pmenu_item *item)
-{
-       cui_show_statuslog(cui_from_item(item));
-       return 0;
-}
-
-static int menu_reinit_execute(struct pmenu_item *item)
-{
-       if (cui_from_item(item)->client)
-               cui_send_reinit(cui_from_item(item));
-       return 0;
-}
-
-static int menu_add_url_execute(struct pmenu_item *item)
-{
-       if (cui_from_item(item)->client)
-               cui_show_add_url(cui_from_item(item));
-       return 0;
-}
-
-static int menu_plugin_execute(struct pmenu_item *item)
+void cui_send_reinit(struct cui *cui)
 {
-       if (cui_from_item(item)->client)
-               cui_show_plugin_menu(cui_from_item(item));
-       return 0;
+       discover_client_send_reinit(cui->client);
 }
 
 /**
@@ -1249,16 +1466,16 @@ static struct pmenu *main_menu_init(struct cui *cui)
        int result;
        bool lockdown = lockdown_active();
 
-       m = pmenu_init(cui, 9, cui_on_exit);
+       m = pmenu_init(cui, 9, lockdown ? cui_abort_on_exit : cui_on_exit);
        if (!m) {
-               pb_log("%s: failed\n", __func__);
+               pb_log_fn("failed\n");
                return NULL;
        }
 
        m->n_hot_keys = 1;
        m->hot_keys = talloc_array(m, hot_key_fn, m->n_hot_keys);
        if (!m->hot_keys) {
-               pb_log("%s: failed to allocate hot_keys\n", __func__);
+               pb_log_fn("failed to allocate hot_keys\n");
                talloc_free(m);
                return NULL;
        }
@@ -1428,6 +1645,12 @@ static int cui_server_wait(void *arg)
                        pb_log("Aborting default boot on pb-discover connect\n");
                        discover_client_cancel_default(cui->client);
                }
+
+               if (cui->autoboot_opt) {
+                       pb_log("Sending autoboot override on pb-discover connect\n");
+                       discover_client_send_temp_autoboot(cui->client,
+                                       cui->autoboot_opt);
+               }
        }
 
        return 0;
@@ -1451,7 +1674,7 @@ struct cui *cui_init(void* platform_info,
 
        cui = talloc_zero(NULL, struct cui);
        if (!cui) {
-               pb_log("%s: alloc cui failed.\n", __func__);
+               pb_log_fn("alloc cui failed.\n");
                fprintf(stderr, _("%s: alloc cui failed.\n"), __func__);
                goto fail_alloc;
        }
@@ -1471,7 +1694,7 @@ retry_start:
                                &cui_client_ops, cui);
                if (cui->client || !i)
                        break;
-               pb_log("%s: waiting for server %d\n", __func__, i);
+               pb_log_fn("waiting for server %d\n", i);
                sleep(1);
        }
 
@@ -1485,7 +1708,7 @@ retry_start:
                if (!result)
                        goto retry_start;
 
-               pb_log("%s: discover_client_init failed.\n", __func__);
+               pb_log_fn("discover_client_init failed.\n");
                fprintf(stderr, _("%s: error: discover_client_init failed.\n"),
                        __func__);
                fprintf(stderr, _("could not start pb-discover, the petitboot "
@@ -1499,7 +1722,7 @@ retry_start:
                waiter_register_timeout(cui->waitset, 0,
                                        cui_server_wait, cui);
        } else if (!cui->client) {
-               pb_log("%s: discover_client_init failed.\n", __func__);
+               pb_log_fn("discover_client_init failed.\n");
                fprintf(stderr, _("%s: error: discover_client_init failed.\n"),
                        __func__);
                fprintf(stderr, _("check that pb-discover, "
@@ -1598,7 +1821,7 @@ int cui_run(struct cui *cui)
                int result = waiter_poll(cui->waitset);
 
                if (result < 0) {
-                       pb_log("%s: poll: %s\n", __func__, strerror(errno));
+                       pb_log_fn("poll: %s\n", strerror(errno));
                        break;
                }