docker: Add build container files
[petitboot] / discover / user-event.c
index 69defa34e341b22a9441b4b233f39d7b532eaa94..77d28c116e635fb74698e49f0c59dfb1cb193335 100644 (file)
@@ -37,6 +37,7 @@
 #include "resource.h"
 #include "event.h"
 #include "user-event.h"
+#include "sysinfo.h"
 
 
 #define MAC_ADDR_SIZE  6
@@ -58,6 +59,12 @@ static const char *event_action_name(enum event_action action)
                return "url";
        case EVENT_ACTION_DHCP:
                return "dhcp";
+       case EVENT_ACTION_BOOT:
+               return "boot";
+       case EVENT_ACTION_SYNC:
+               return "sync";
+       case EVENT_ACTION_PLUGIN:
+               return "plugin";
        default:
                break;
        }
@@ -78,7 +85,7 @@ static void user_event_print_event(struct event __attribute__((unused)) *event)
 }
 
 static struct resource *user_event_resource(struct discover_boot_option *opt,
-               struct event *event)
+               struct event *event, bool gen_boot_args_sigfile)
 {
        const char *siaddr, *boot_file;
        struct resource *res;
@@ -97,7 +104,16 @@ static struct resource *user_event_resource(struct discover_boot_option *opt,
                return NULL;
        }
 
-       url_str = talloc_asprintf(opt, "%s%s/%s", "tftp://", siaddr, boot_file);
+       if (gen_boot_args_sigfile) {
+               char* args_sigfile_default = talloc_asprintf(opt,
+                       "%s.cmdline.sig", boot_file);
+               url_str = talloc_asprintf(opt, "%s%s/%s", "tftp://", siaddr,
+                       args_sigfile_default);
+               talloc_free(args_sigfile_default);
+       }
+       else
+               url_str = talloc_asprintf(opt, "%s%s/%s", "tftp://", siaddr,
+                       boot_file);
        url = pb_url_parse(opt, url_str);
        talloc_free(url_str);
 
@@ -139,12 +155,13 @@ static int parse_user_event(struct discover_context *ctx, struct event *event)
        opt->id = talloc_asprintf(opt, "%s#%s", dev->id, val);
        opt->name = talloc_strdup(opt, val);
 
-       d_opt->boot_image = user_event_resource(d_opt, event);
+       d_opt->boot_image = user_event_resource(d_opt, event, false);
        if (!d_opt->boot_image) {
                pb_log("%s: no boot image found for %s!\n", __func__,
                                opt->name);
                goto fail_opt;
        }
+       d_opt->args_sig_file = user_event_resource(d_opt, event, true);
 
        val = event_get_param(event, "rootpath");
        if (val) {
@@ -371,31 +388,20 @@ static int user_event_dhcp(struct user_event *uev, struct event *event)
        struct device_handler *handler = uev->handler;
        struct discover_device *dev;
 
-       dev = discover_device_create(handler, event->device);
-
-       device_handler_dhcp(handler, dev, event);
-
-       return 0;
-}
-
-static int user_event_conf(struct user_event *uev, struct event *event)
-{
-       struct device_handler *handler = uev->handler;
-       struct discover_device *dev;
-       struct pb_url *url;
-       const char *val;
+       uint8_t hwaddr[MAC_ADDR_SIZE];
 
-       val = event_get_param(event, "url");
-       if (!val)
-               return 0;
+       sscanf(event_get_param(event, "mac"),
+              "%hhX:%hhX:%hhX:%hhX:%hhX:%hhX",
+              hwaddr, hwaddr + 1, hwaddr + 2,
+              hwaddr + 3, hwaddr + 4, hwaddr + 5);
 
-       url = pb_url_parse(event, val);
-       if (!url)
-               return 0;
+       system_info_set_interface_address(sizeof(hwaddr), hwaddr,
+                                         event_get_param(event, "ip"));
 
-       dev = discover_device_create(handler, event->device);
+       dev = discover_device_create(handler, event_get_param(event, "mac"),
+                                       event->device);
 
-       device_handler_conf(handler, dev, url);
+       device_handler_dhcp(handler, dev, event);
 
        return 0;
 }
@@ -406,7 +412,10 @@ static int user_event_add(struct user_event *uev, struct event *event)
        struct discover_context *ctx;
        struct discover_device *dev;
 
-       dev = discover_device_create(handler, event->device);
+       /* In case this is a network interface, try to refer to it by UUID */
+       dev = discover_device_create(handler, event_get_param(event, "mac"),
+                                       event->device);
+       dev->device->id = talloc_strdup(dev, event->device);
        ctx = device_handler_discover_context_create(handler, dev);
 
        parse_user_event(ctx, event);
@@ -422,8 +431,13 @@ static int user_event_remove(struct user_event *uev, struct event *event)
 {
        struct device_handler *handler = uev->handler;
        struct discover_device *dev;
+       const char *mac = event_get_param(event, "mac");
+
+       if (mac)
+               dev = device_lookup_by_uuid(handler, event_get_param(event, "mac"));
+       else
+               dev = device_lookup_by_id(handler, event->device);
 
-       dev = device_lookup_by_id(handler, event->device);
        if (!dev)
                return 0;
 
@@ -439,7 +453,142 @@ static int user_event_url(struct user_event *uev, struct event *event)
 
        url = event_get_param(event, "url");
        if (url)
-               device_handler_process_url(handler, url);
+               device_handler_process_url(handler, url, NULL, NULL);
+
+       return 0;
+}
+
+static int user_event_boot(struct user_event *uev, struct event *event)
+{
+       struct device_handler *handler = uev->handler;
+       struct boot_command *cmd = talloc(handler, struct boot_command);
+
+       cmd->option_id = talloc_strdup(cmd, event_get_param(event, "id"));
+       cmd->boot_image_file = talloc_strdup(cmd, event_get_param(event, "image"));
+       cmd->initrd_file = talloc_strdup(cmd, event_get_param(event, "initrd"));
+       cmd->dtb_file = talloc_strdup(cmd, event_get_param(event, "dtb"));
+       cmd->boot_args = talloc_strdup(cmd, event_get_param(event, "args"));
+
+       device_handler_boot(handler, cmd);
+
+       talloc_free(cmd);
+
+       return 0;
+}
+
+static int user_event_sync(struct user_event *uev, struct event *event)
+{
+       struct device_handler *handler = uev->handler;
+
+       if (strncasecmp(event->device, "all", strlen("all")) != 0)
+               device_sync_snapshots(handler, event->device);
+       else
+               device_sync_snapshots(handler, NULL);
+
+       return 0;
+}
+
+static int process_uninstalled_plugin(struct user_event *uev,
+               struct event *event)
+{
+       struct device_handler *handler = uev->handler;
+       struct discover_boot_option *file_opt;
+       struct discover_device *device;
+       struct discover_context *ctx;
+       const char *path;
+       struct resource *res;
+
+       if (!event_get_param(event, "path")) {
+               pb_log("Uninstalled pb-plugin event missing path param\n");
+               return -1;
+       }
+
+       device = device_lookup_by_name(handler, event->device);
+       if (!device) {
+               pb_log("Couldn't find device matching %s for plugin\n",
+                               event->device);
+               return -1;
+       }
+
+       ctx = device_handler_discover_context_create(handler, device);
+       file_opt = discover_boot_option_create(ctx, device);
+       file_opt->option->name = talloc_strdup(file_opt,
+                       event_get_param(event, "name"));
+       file_opt->option->id = talloc_asprintf(file_opt, "%s@%p",
+                       device->device->id, file_opt);
+       file_opt->option->type = DISCOVER_PLUGIN_OPTION;
+
+
+       path = event_get_param(event, "path");
+       /* path may be relative to root */
+       if (strncmp(device->mount_path, path, strlen(device->mount_path)) == 0) {
+               path += strlen(device->mount_path) + 1;
+       }
+
+       res = talloc(file_opt, struct resource);
+       resolve_resource_against_device(res, device, path);
+       file_opt->boot_image = res;
+
+       discover_context_add_boot_option(ctx, file_opt);
+       device_handler_discover_context_commit(handler, ctx);
+
+       return 0;
+}
+
+/*
+ * Notification of a plugin event. This can either be for an uninstalled plugin
+ * that pb-plugin has scanned, or the result of a plugin that pb-plugin has
+ * installed.
+ */
+static int user_event_plugin(struct user_event *uev, struct event *event)
+{
+       struct device_handler *handler = uev->handler;
+       char *executable, *executables, *saveptr;
+       struct plugin_option *opt;
+       const char *installed;
+
+       installed = event_get_param(event, "installed");
+       if (!installed || strncmp(installed, "no", strlen("no")) == 0)
+               return process_uninstalled_plugin(uev, event);
+
+       opt = talloc_zero(handler, struct plugin_option);
+       if (!opt)
+               return -1;
+       opt->name = talloc_strdup(opt, event_get_param(event, "name"));
+       opt->id = talloc_strdup(opt, event_get_param(event, "id"));
+       opt->version = talloc_strdup(opt, event_get_param(event, "version"));
+       opt->vendor = talloc_strdup(opt, event_get_param(event, "vendor"));
+       opt->vendor_id = talloc_strdup(opt, event_get_param(event, "vendor_id"));
+       opt->date = talloc_strdup(opt, event_get_param(event, "date"));
+       opt->plugin_file = talloc_strdup(opt,
+                       event_get_param(event, "source_file"));
+
+       executables = talloc_strdup(opt, event_get_param(event, "executables"));
+       if (!executables) {
+               talloc_free(opt);
+               return -1;
+       }
+
+       /*
+        * The 'executables' parameter is a space-delimited list of installed
+        * executables
+        */
+       executable = strtok_r(executables, " ", &saveptr);
+       while (executable) {
+               opt->executables = talloc_realloc(opt, opt->executables,
+                                                 char *, opt->n_executables + 1);
+               if (!opt->executables) {
+                       talloc_free(opt);
+                       return -1;
+               }
+               opt->executables[opt->n_executables++] = talloc_strdup(opt,
+                                                               executable);
+               executable = strtok_r(NULL, " ", &saveptr);
+       }
+
+       device_handler_add_plugin_option(handler, opt);
+
+       talloc_free(executables);
 
        return 0;
 }
@@ -469,29 +618,37 @@ static void user_event_handle_message(struct user_event *uev, char *buf,
                break;
        case EVENT_ACTION_URL:
                result = user_event_url(uev, event);
-               break;
-       case EVENT_ACTION_CONF:
-               result = user_event_conf(uev, event);
-               break;
+               goto out;
        case EVENT_ACTION_DHCP:
                result = user_event_dhcp(uev, event);
+               goto out;
+       case EVENT_ACTION_BOOT:
+               result = user_event_boot(uev, event);
+               break;
+       case EVENT_ACTION_SYNC:
+               result = user_event_sync(uev, event);
+               break;
+       case EVENT_ACTION_PLUGIN:
+               result = user_event_plugin(uev, event);
                break;
        default:
                break;
        }
 
+       /* user_event_url() and user_event_dhcp() will steal the event context,
+        * but all others still need to free */
        talloc_free(event);
-
+out:
        return;
 }
 
 static int user_event_process(void *arg)
 {
        struct user_event *uev = arg;
-       char buf[PBOOT_USER_EVENT_SIZE];
+       char buf[PBOOT_USER_EVENT_SIZE + 1];
        int len;
 
-       len = recvfrom(uev->socket, buf, sizeof(buf), 0, NULL, NULL);
+       len = recvfrom(uev->socket, buf, PBOOT_USER_EVENT_SIZE, 0, NULL, NULL);
 
        if (len < 0) {
                pb_log("%s: socket read failed: %s", __func__, strerror(errno));
@@ -503,6 +660,8 @@ static int user_event_process(void *arg)
                return 0;
        }
 
+       buf[len] = '\0';
+
        pb_debug("%s: %u bytes\n", __func__, len);
 
        user_event_handle_message(uev, buf, len);