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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/udev/udev-builtin.c | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/udev/udev-builtin.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/udev/udev-builtin.c b/src/udev/udev-builtin.c new file mode 100644 index 0000000..c98c6fa --- /dev/null +++ b/src/udev/udev-builtin.c @@ -0,0 +1,136 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <getopt.h> +#include <stdio.h> + +#include "device-private.h" +#include "device-util.h" +#include "string-util.h" +#include "strv.h" +#include "udev-builtin.h" + +static bool initialized; + +static const UdevBuiltin *const builtins[_UDEV_BUILTIN_MAX] = { +#if 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, +#if 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, +#if HAVE_ACL + [UDEV_BUILTIN_UACCESS] = &udev_builtin_uaccess, +#endif +}; + +void udev_builtin_init(void) { + if (initialized) + return; + + for (UdevBuiltinCommand i = 0; i < _UDEV_BUILTIN_MAX; i++) + if (builtins[i] && builtins[i]->init) + builtins[i]->init(); + + initialized = true; +} + +void udev_builtin_exit(void) { + if (!initialized) + return; + + for (UdevBuiltinCommand i = 0; i < _UDEV_BUILTIN_MAX; i++) + if (builtins[i] && builtins[i]->exit) + builtins[i]->exit(); + + initialized = false; +} + +bool udev_builtin_should_reload(void) { + for (UdevBuiltinCommand i = 0; i < _UDEV_BUILTIN_MAX; i++) + if (builtins[i] && builtins[i]->should_reload && builtins[i]->should_reload()) + return true; + return false; +} + +void udev_builtin_list(void) { + for (UdevBuiltinCommand i = 0; i < _UDEV_BUILTIN_MAX; i++) + if (builtins[i]) + fprintf(stderr, " %-14s %s\n", builtins[i]->name, builtins[i]->help); +} + +const char *udev_builtin_name(UdevBuiltinCommand cmd) { + assert(cmd >= 0 && cmd < _UDEV_BUILTIN_MAX); + + if (!builtins[cmd]) + return NULL; + + return builtins[cmd]->name; +} + +bool udev_builtin_run_once(UdevBuiltinCommand cmd) { + assert(cmd >= 0 && cmd < _UDEV_BUILTIN_MAX); + + if (!builtins[cmd]) + return false; + + return builtins[cmd]->run_once; +} + +UdevBuiltinCommand udev_builtin_lookup(const char *command) { + size_t n; + + assert(command); + + command += strspn(command, WHITESPACE); + n = strcspn(command, WHITESPACE); + for (UdevBuiltinCommand i = 0; i < _UDEV_BUILTIN_MAX; i++) + if (builtins[i] && strneq(builtins[i]->name, command, n)) + return i; + + return _UDEV_BUILTIN_INVALID; +} + +int udev_builtin_run(sd_device *dev, sd_netlink **rtnl, UdevBuiltinCommand cmd, const char *command, bool test) { + _cleanup_strv_free_ char **argv = NULL; + int r; + + assert(dev); + assert(cmd >= 0 && cmd < _UDEV_BUILTIN_MAX); + assert(command); + + if (!builtins[cmd]) + return -EOPNOTSUPP; + + r = strv_split_full(&argv, command, NULL, EXTRACT_UNQUOTE | EXTRACT_RELAX | EXTRACT_RETAIN_ESCAPE); + if (r < 0) + return r; + + /* we need '0' here to reset the internal state */ + optind = 0; + return builtins[cmd]->cmd(dev, rtnl, strv_length(argv), argv, test); +} + +int udev_builtin_add_property(sd_device *dev, bool test, const char *key, const char *val) { + int r; + + assert(dev); + assert(key); + + r = device_add_property(dev, key, val); + if (r < 0) + return log_device_debug_errno(dev, r, "Failed to add property '%s%s%s'", + key, val ? "=" : "", strempty(val)); + + if (test) + printf("%s=%s\n", key, strempty(val)); + + return 0; +} |