diff options
Diffstat (limited to 'src/grp-udev/libudev-core/udev-builtin.c')
-rw-r--r-- | src/grp-udev/libudev-core/udev-builtin.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/grp-udev/libudev-core/udev-builtin.c b/src/grp-udev/libudev-core/udev-builtin.c new file mode 100644 index 0000000000..13d3cd4ee0 --- /dev/null +++ b/src/grp-udev/libudev-core/udev-builtin.c @@ -0,0 +1,142 @@ +/*** + This file is part of systemd. + + Copyright 2007-2012 Kay Sievers <kay@vrfy.org> + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <getopt.h> +#include <stdio.h> +#include <string.h> + +#include "basic/string-util.h" +#include "udev.h" + +static bool initialized; + +static const struct udev_builtin *builtins[] = { +#ifdef HAVE_BLKID + [UDEV_BUILTIN_BLKID] = &udev_builtin_blkid, +#endif + [UDEV_BUILTIN_BTRFS] = &udev_builtin_btrfs, + [UDEV_BUILTIN_HWDB] = &udev_builtin_hwdb, + [UDEV_BUILTIN_INPUT_ID] = &udev_builtin_input_id, + [UDEV_BUILTIN_KEYBOARD] = &udev_builtin_keyboard, +#ifdef HAVE_KMOD + [UDEV_BUILTIN_KMOD] = &udev_builtin_kmod, +#endif + [UDEV_BUILTIN_NET_ID] = &udev_builtin_net_id, + [UDEV_BUILTIN_NET_LINK] = &udev_builtin_net_setup_link, + [UDEV_BUILTIN_PATH_ID] = &udev_builtin_path_id, + [UDEV_BUILTIN_USB_ID] = &udev_builtin_usb_id, +#ifdef HAVE_ACL + [UDEV_BUILTIN_UACCESS] = &udev_builtin_uaccess, +#endif +}; + +void udev_builtin_init(struct udev *udev) { + unsigned int i; + + if (initialized) + return; + + for (i = 0; i < ELEMENTSOF(builtins); i++) + if (builtins[i] && builtins[i]->init) + builtins[i]->init(udev); + + initialized = true; +} + +void udev_builtin_exit(struct udev *udev) { + unsigned int i; + + if (!initialized) + return; + + for (i = 0; i < ELEMENTSOF(builtins); i++) + if (builtins[i] && builtins[i]->exit) + builtins[i]->exit(udev); + + initialized = false; +} + +bool udev_builtin_validate(struct udev *udev) { + unsigned int i; + + for (i = 0; i < ELEMENTSOF(builtins); i++) + if (builtins[i] && builtins[i]->validate && builtins[i]->validate(udev)) + return true; + return false; +} + +void udev_builtin_list(struct udev *udev) { + unsigned int i; + + for (i = 0; i < ELEMENTSOF(builtins); i++) + if (builtins[i]) + fprintf(stderr, " %-14s %s\n", builtins[i]->name, builtins[i]->help); +} + +const char *udev_builtin_name(enum udev_builtin_cmd cmd) { + if (!builtins[cmd]) + return NULL; + + return builtins[cmd]->name; +} + +bool udev_builtin_run_once(enum udev_builtin_cmd cmd) { + if (!builtins[cmd]) + return false; + + return builtins[cmd]->run_once; +} + +enum udev_builtin_cmd udev_builtin_lookup(const char *command) { + char name[UTIL_PATH_SIZE]; + enum udev_builtin_cmd i; + char *pos; + + strscpy(name, sizeof(name), command); + pos = strchr(name, ' '); + if (pos) + pos[0] = '\0'; + for (i = 0; i < ELEMENTSOF(builtins); i++) + if (builtins[i] && streq(builtins[i]->name, name)) + return i; + return UDEV_BUILTIN_MAX; +} + +int udev_builtin_run(struct udev_device *dev, enum udev_builtin_cmd cmd, const char *command, bool test) { + char arg[UTIL_PATH_SIZE]; + int argc; + char *argv[128]; + + if (!builtins[cmd]) + return -EOPNOTSUPP; + + /* we need '0' here to reset the internal state */ + optind = 0; + strscpy(arg, sizeof(arg), command); + udev_build_argv(udev_device_get_udev(dev), arg, &argc, argv); + return builtins[cmd]->cmd(dev, argc, argv, test); +} + +int udev_builtin_add_property(struct udev_device *dev, bool test, const char *key, const char *val) { + udev_device_add_property(dev, key, val); + + if (test) + printf("%s=%s\n", key, val); + return 0; +} |