lib/log: Switch to pb_log_fn
[petitboot] / discover / user-event.c
index 20b2bea928ea75b221deac7ed675fd9f44345f81..1257796494e5211f01d210a11565c9539a6bffca 100644 (file)
@@ -37,6 +37,7 @@
 #include "resource.h"
 #include "event.h"
 #include "user-event.h"
+#include "sysinfo.h"
 
 
 #define MAC_ADDR_SIZE  6
@@ -62,6 +63,8 @@ static const char *event_action_name(enum event_action action)
                return "boot";
        case EVENT_ACTION_SYNC:
                return "sync";
+       case EVENT_ACTION_PLUGIN:
+               return "plugin";
        default:
                break;
        }
@@ -91,13 +94,13 @@ static struct resource *user_event_resource(struct discover_boot_option *opt,
 
        siaddr = event_get_param(event, "siaddr");
        if (!siaddr) {
-               pb_log("%s: next server option not found\n", __func__);
+               pb_log_fn("next server option not found\n");
                return NULL;
        }
 
        boot_file = event_get_param(event, "bootfile");
        if (!boot_file) {
-               pb_log("%s: bootfile not found\n", __func__);
+               pb_log_fn("bootfile not found\n");
                return NULL;
        }
 
@@ -145,7 +148,7 @@ static int parse_user_event(struct discover_context *ctx, struct event *event)
        val = event_get_param(event, "name");
 
        if (!val) {
-               pb_log("%s: no name found\n", __func__);
+               pb_log_fn("no name found\n");
                goto fail_opt;
        }
 
@@ -154,7 +157,7 @@ static int parse_user_event(struct discover_context *ctx, struct event *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__,
+               pb_log_fn("no boot image found for %s!\n",
                                opt->name);
                goto fail_opt;
        }
@@ -248,13 +251,14 @@ static char *parse_ip_addr(struct discover_context *ctx, const char *ip)
 struct pb_url *user_event_parse_conf_url(struct discover_context *ctx,
                struct event *event, bool *is_complete)
 {
-       const char *conffile, *pathprefix, *host, *bootfile;
+       const char *conffile, *pathprefix, *host, *bootfile, *bootfile_url;
        char *p, *basedir, *url_str;
        struct pb_url *url;
 
        conffile = event_get_param(event, "pxeconffile");
        pathprefix = event_get_param(event, "pxepathprefix");
        bootfile = event_get_param(event, "bootfile");
+       bootfile_url = event_get_param(event, "bootfile_url");
 
        /* If we're given a conf file, we're able to generate a complete URL to
         * the configuration file, and the parser doesn't need to do any
@@ -284,7 +288,13 @@ struct pb_url *user_event_parse_conf_url(struct discover_context *ctx,
 
        host = parse_host_addr(event);
        if (!host) {
-               pb_log("%s: host address not found\n", __func__);
+               pb_log_fn("host address not found\n");
+
+               /* No full URLs and no host address? Check for DHCPv6 options */
+               if (bootfile_url && is_url(bootfile_url)) {
+                       *is_complete = true;
+                       return pb_url_parse(ctx, bootfile_url);
+               }
                return NULL;
        }
 
@@ -352,7 +362,7 @@ char **user_event_parse_conf_filenames(
        }
 
        if (!mac_addr && !ip_hex) {
-               pb_log("%s: neither mac nor ip parameter found\n", __func__);
+               pb_log_fn("neither mac nor ip parameter found\n");
                return NULL;
        }
 
@@ -385,6 +395,25 @@ static int user_event_dhcp(struct user_event *uev, struct event *event)
        struct device_handler *handler = uev->handler;
        struct discover_device *dev;
 
+       uint8_t hwaddr[MAC_ADDR_SIZE];
+
+       if (!event_get_param(event, "mac"))
+               return -1;
+       if (!event_get_param(event, "ip") && !event_get_param(event, "ipv6"))
+               return -1;
+
+       sscanf(event_get_param(event, "mac"),
+              "%hhX:%hhX:%hhX:%hhX:%hhX:%hhX",
+              hwaddr, hwaddr + 1, hwaddr + 2,
+              hwaddr + 3, hwaddr + 4, hwaddr + 5);
+
+       if (event_get_param(event, "ipv6"))
+               system_info_set_interface_address(sizeof(hwaddr), hwaddr,
+                                                 event_get_param(event, "ipv6"));
+       else
+               system_info_set_interface_address(sizeof(hwaddr), hwaddr,
+                                                 event_get_param(event, "ip"));
+
        dev = discover_device_create(handler, event_get_param(event, "mac"),
                                        event->device);
 
@@ -398,6 +427,7 @@ static int user_event_add(struct user_event *uev, struct event *event)
        struct device_handler *handler = uev->handler;
        struct discover_context *ctx;
        struct discover_device *dev;
+       int rc;
 
        /* In case this is a network interface, try to refer to it by UUID */
        dev = discover_device_create(handler, event_get_param(event, "mac"),
@@ -405,7 +435,11 @@ static int user_event_add(struct user_event *uev, struct event *event)
        dev->device->id = talloc_strdup(dev, event->device);
        ctx = device_handler_discover_context_create(handler, dev);
 
-       parse_user_event(ctx, event);
+       rc = parse_user_event(ctx, event);
+       if (rc) {
+               pb_log("parse_user_event returned %d\n", rc);
+               return rc;
+       }
 
        device_handler_discover_context_commit(handler, ctx);
 
@@ -475,6 +509,111 @@ static int user_event_sync(struct user_event *uev, struct event *event)
        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;
+}
+
 static void user_event_handle_message(struct user_event *uev, char *buf,
        int len)
 {
@@ -510,6 +649,9 @@ static void user_event_handle_message(struct user_event *uev, char *buf,
        case EVENT_ACTION_SYNC:
                result = user_event_sync(uev, event);
                break;
+       case EVENT_ACTION_PLUGIN:
+               result = user_event_plugin(uev, event);
+               break;
        default:
                break;
        }
@@ -530,12 +672,12 @@ static int user_event_process(void *arg)
        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));
+               pb_log_fn("socket read failed: %s\n", strerror(errno));
                return 0;
        }
 
        if (len == 0) {
-               pb_log("%s: empty", __func__);
+               pb_log_fn("empty\n");
                return 0;
        }