discover: Record IP address of network interfaces
[petitboot] / discover / user-event.c
index 8926458905ef2b076b965270b31a5adefbb6fa77..fb3fddb5c4bc5f7390f114ec7820f33d7ec45e77 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 +59,10 @@ 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";
        default:
                break;
        }
@@ -78,7 +83,7 @@ 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 +102,16 @@ 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 +153,13 @@ 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 +386,20 @@ 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);
+       uint8_t hwaddr[MAC_ADDR_SIZE];
 
-       device_handler_dhcp(handler, dev, event);
+       sscanf(event_get_param(event, "mac"),
+              "%hhX:%hhX:%hhX:%hhX:%hhX:%hhX",
+              hwaddr, hwaddr + 1, hwaddr + 2,
+              hwaddr + 3, hwaddr + 4, hwaddr + 5);
 
-       return 0;
-}
+       system_info_set_interface_address(sizeof(hwaddr), hwaddr,
+                                         event_get_param(event, "ip"));
 
-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;
+       dev = discover_device_create(handler, event_get_param(event, "mac"),
+                                       event->device);
 
-       val = event_get_param(event, "url");
-       if (!val)
-               return 0;
-
-       url = pb_url_parse(event, val);
-       if (!url)
-               return 0;
-
-       dev = discover_device_create(handler, event->device);
-
-       device_handler_conf(handler, dev, url);
+       device_handler_dhcp(handler, dev, event);
 
        return 0;
 }
@@ -406,7 +410,10 @@ 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 +429,13 @@ 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;
 
@@ -444,6 +456,36 @@ static int user_event_url(struct user_event *uev, struct event *event)
        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 void user_event_handle_message(struct user_event *uev, char *buf,
        int len)
 {
@@ -469,19 +511,24 @@ 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;
        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;
 }