udev: remove userspace firmware loading support

[elogind.git] / src / udev / udev-builtin-firmware.c

diff --git a/src/udev/udev-builtin-firmware.c b/src/udev/udev-builtin-firmware.c
deleted file mode 100644 (file)
index bd8c2fb..0000000
--- a/src/udev/udev-builtin-firmware.c
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * firmware - Kernel firmware loader
- *
- * Copyright (C) 2009 Piter Punk <piterpunk@slackware.com>
- * Copyright (C) 2009-2011 Kay Sievers <kay@vrfy.org>
- *
- * 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:*
- */
-
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <getopt.h>
-#include <errno.h>
-#include <stdbool.h>
-#include <sys/utsname.h>
-#include <sys/stat.h>
-
-#include "udev.h"
-
-static bool set_loading(struct udev *udev, char *loadpath, const char *state) {
-        FILE *ldfile;
-
-        ldfile = fopen(loadpath, "we");
-        if (ldfile == NULL) {
-                log_error("error: can not open '%s'", loadpath);
-                return false;
-        };
-        fprintf(ldfile, "%s\n", state);
-        fclose(ldfile);
-        return true;
-}
-
-static bool copy_firmware(struct udev *udev, const char *source, const char *target, size_t size) {
-        char *buf;
-        FILE *fsource = NULL, *ftarget = NULL;
-        bool ret = false;
-
-        buf = malloc(size);
-        if (buf == NULL) {
-                log_error("No memory available to load firmware file");
-                return false;
-        }
-
-        log_debug("writing '%s' (%zi) to '%s'", source, size, target);
-
-        fsource = fopen(source, "re");
-        if (fsource == NULL)
-                goto exit;
-        ftarget = fopen(target, "we");
-        if (ftarget == NULL)
-                goto exit;
-        if (fread(buf, size, 1, fsource) != 1)
-                goto exit;
-        if (fwrite(buf, size, 1, ftarget) == 1)
-                ret = true;
-exit:
-        if (ftarget != NULL)
-                fclose(ftarget);
-        if (fsource != NULL)
-                fclose(fsource);
-        free(buf);
-        return ret;
-}
-
-static int builtin_firmware(struct udev_device *dev, int argc, char *argv[], bool test) {
-        struct udev *udev = udev_device_get_udev(dev);
-        static const char *searchpath[] = { FIRMWARE_PATH };
-        char loadpath[UTIL_PATH_SIZE];
-        char datapath[UTIL_PATH_SIZE];
-        char fwpath[UTIL_PATH_SIZE];
-        const char *firmware;
-        FILE *fwfile = NULL;
-        struct utsname kernel;
-        struct stat statbuf;
-        unsigned int i;
-        int rc = EXIT_SUCCESS;
-
-        firmware = udev_device_get_property_value(dev, "FIRMWARE");
-        if (firmware == NULL) {
-                log_error("firmware parameter missing");
-                rc = EXIT_FAILURE;
-                goto exit;
-        }
-
-        /* lookup firmware file */
-        uname(&kernel);
-        for (i = 0; i < ELEMENTSOF(searchpath); i++) {
-                strscpyl(fwpath, sizeof(fwpath), searchpath[i], kernel.release, "/", firmware, NULL);
-                fwfile = fopen(fwpath, "re");
-                if (fwfile != NULL)
-                        break;
-
-                strscpyl(fwpath, sizeof(fwpath), searchpath[i], firmware, NULL);
-                fwfile = fopen(fwpath, "re");
-                if (fwfile != NULL)
-                        break;
-        }
-
-        strscpyl(loadpath, sizeof(loadpath), udev_device_get_syspath(dev), "/loading", NULL);
-
-        if (fwfile == NULL) {
-                log_debug("did not find firmware file '%s'", firmware);
-                rc = EXIT_FAILURE;
-                /*
-                 * Do not cancel the request in the initrd, the real root might have
-                 * the firmware file and the 'coldplug' run in the real root will find
-                 * this pending request and fulfill or cancel it.
-                 * */
-                if (!in_initrd())
-                        set_loading(udev, loadpath, "-1");
-                goto exit;
-        }
-
-        if (stat(fwpath, &statbuf) < 0 || statbuf.st_size == 0) {
-                if (!in_initrd())
-                        set_loading(udev, loadpath, "-1");
-                rc = EXIT_FAILURE;
-                goto exit;
-        }
-
-        if (!set_loading(udev, loadpath, "1"))
-                goto exit;
-
-        strscpyl(datapath, sizeof(datapath), udev_device_get_syspath(dev), "/data", NULL);
-        if (!copy_firmware(udev, fwpath, datapath, statbuf.st_size)) {
-                log_error("error sending firmware '%s' to device", firmware);
-                set_loading(udev, loadpath, "-1");
-                rc = EXIT_FAILURE;
-                goto exit;
-        };
-
-        set_loading(udev, loadpath, "0");
-exit:
-        if (fwfile)
-                fclose(fwfile);
-        return rc;
-}
-
-const struct udev_builtin udev_builtin_firmware = {
-        .name = "firmware",
-        .cmd = builtin_firmware,
-        .help = "kernel firmware loader",
-        .run_once = true,
-};