From 28282a3f352f1be7a4ff956fbeb0bca37bb8bc64 Mon Sep 17 00:00:00 2001 From: Luke Shumaker Date: Mon, 13 Jun 2016 11:45:15 -0400 Subject: ./move.sh --- src/udev/udevadm-info.c | 494 ------------------------------------------------ 1 file changed, 494 deletions(-) delete mode 100644 src/udev/udevadm-info.c (limited to 'src/udev/udevadm-info.c') diff --git a/src/udev/udevadm-info.c b/src/udev/udevadm-info.c deleted file mode 100644 index 7182668f23..0000000000 --- a/src/udev/udevadm-info.c +++ /dev/null @@ -1,494 +0,0 @@ -/* - * Copyright (C) 2004-2009 Kay Sievers - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "fd-util.h" -#include "string-util.h" -#include "udev-util.h" -#include "udev.h" -#include "udevadm-util.h" - -static bool skip_attribute(const char *name) { - static const char* const skip[] = { - "uevent", - "dev", - "modalias", - "resource", - "driver", - "subsystem", - "module", - }; - unsigned int i; - - for (i = 0; i < ELEMENTSOF(skip); i++) - if (streq(name, skip[i])) - return true; - return false; -} - -static void print_all_attributes(struct udev_device *device, const char *key) { - struct udev_list_entry *sysattr; - - udev_list_entry_foreach(sysattr, udev_device_get_sysattr_list_entry(device)) { - const char *name; - const char *value; - size_t len; - - name = udev_list_entry_get_name(sysattr); - if (skip_attribute(name)) - continue; - - value = udev_device_get_sysattr_value(device, name); - if (value == NULL) - continue; - - /* skip any values that look like a path */ - if (value[0] == '/') - continue; - - /* skip nonprintable attributes */ - len = strlen(value); - while (len > 0 && isprint(value[len-1])) - len--; - if (len > 0) - continue; - - printf(" %s{%s}==\"%s\"\n", key, name, value); - } - printf("\n"); -} - -static int print_device_chain(struct udev_device *device) { - struct udev_device *device_parent; - const char *str; - - printf("\n" - "Udevadm info starts with the device specified by the devpath and then\n" - "walks up the chain of parent devices. It prints for every device\n" - "found, all possible attributes in the udev rules key format.\n" - "A rule to match, can be composed by the attributes of the device\n" - "and the attributes from one single parent device.\n" - "\n"); - - printf(" looking at device '%s':\n", udev_device_get_devpath(device)); - printf(" KERNEL==\"%s\"\n", udev_device_get_sysname(device)); - str = udev_device_get_subsystem(device); - if (str == NULL) - str = ""; - printf(" SUBSYSTEM==\"%s\"\n", str); - str = udev_device_get_driver(device); - if (str == NULL) - str = ""; - printf(" DRIVER==\"%s\"\n", str); - print_all_attributes(device, "ATTR"); - - device_parent = device; - do { - device_parent = udev_device_get_parent(device_parent); - if (device_parent == NULL) - break; - printf(" looking at parent device '%s':\n", udev_device_get_devpath(device_parent)); - printf(" KERNELS==\"%s\"\n", udev_device_get_sysname(device_parent)); - str = udev_device_get_subsystem(device_parent); - if (str == NULL) - str = ""; - printf(" SUBSYSTEMS==\"%s\"\n", str); - str = udev_device_get_driver(device_parent); - if (str == NULL) - str = ""; - printf(" DRIVERS==\"%s\"\n", str); - print_all_attributes(device_parent, "ATTRS"); - } while (device_parent != NULL); - - return 0; -} - -static void print_record(struct udev_device *device) { - const char *str; - int i; - struct udev_list_entry *list_entry; - - printf("P: %s\n", udev_device_get_devpath(device)); - - str = udev_device_get_devnode(device); - if (str != NULL) - printf("N: %s\n", str + strlen("/dev/")); - - i = udev_device_get_devlink_priority(device); - if (i != 0) - printf("L: %i\n", i); - - udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) - printf("S: %s\n", udev_list_entry_get_name(list_entry) + strlen("/dev/")); - - udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) - printf("E: %s=%s\n", - udev_list_entry_get_name(list_entry), - udev_list_entry_get_value(list_entry)); - printf("\n"); -} - -static int stat_device(const char *name, bool export, const char *prefix) { - struct stat statbuf; - - if (stat(name, &statbuf) != 0) - return -1; - - if (export) { - if (prefix == NULL) - prefix = "INFO_"; - printf("%sMAJOR=%u\n" - "%sMINOR=%u\n", - prefix, major(statbuf.st_dev), - prefix, minor(statbuf.st_dev)); - } else - printf("%u:%u\n", major(statbuf.st_dev), minor(statbuf.st_dev)); - return 0; -} - -static int export_devices(struct udev *udev) { - struct udev_enumerate *udev_enumerate; - struct udev_list_entry *list_entry; - - udev_enumerate = udev_enumerate_new(udev); - if (udev_enumerate == NULL) - return -1; - udev_enumerate_scan_devices(udev_enumerate); - udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(udev_enumerate)) { - struct udev_device *device; - - device = udev_device_new_from_syspath(udev, udev_list_entry_get_name(list_entry)); - if (device != NULL) { - print_record(device); - udev_device_unref(device); - } - } - udev_enumerate_unref(udev_enumerate); - return 0; -} - -static void cleanup_dir(DIR *dir, mode_t mask, int depth) { - struct dirent *dent; - - if (depth <= 0) - return; - - for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { - struct stat stats; - - if (dent->d_name[0] == '.') - continue; - if (fstatat(dirfd(dir), dent->d_name, &stats, AT_SYMLINK_NOFOLLOW) != 0) - continue; - if ((stats.st_mode & mask) != 0) - continue; - if (S_ISDIR(stats.st_mode)) { - _cleanup_closedir_ DIR *dir2; - - dir2 = fdopendir(openat(dirfd(dir), dent->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC)); - if (dir2 != NULL) - cleanup_dir(dir2, mask, depth-1); - - (void) unlinkat(dirfd(dir), dent->d_name, AT_REMOVEDIR); - } else - (void) unlinkat(dirfd(dir), dent->d_name, 0); - } -} - -static void cleanup_db(struct udev *udev) { - DIR *dir; - - unlink("/run/udev/queue.bin"); - - dir = opendir("/run/udev/data"); - if (dir != NULL) { - cleanup_dir(dir, S_ISVTX, 1); - closedir(dir); - } - - dir = opendir("/run/udev/links"); - if (dir != NULL) { - cleanup_dir(dir, 0, 2); - closedir(dir); - } - - dir = opendir("/run/udev/tags"); - if (dir != NULL) { - cleanup_dir(dir, 0, 2); - closedir(dir); - } - - dir = opendir("/run/udev/static_node-tags"); - if (dir != NULL) { - cleanup_dir(dir, 0, 2); - closedir(dir); - } - - dir = opendir("/run/udev/watch"); - if (dir != NULL) { - cleanup_dir(dir, 0, 1); - closedir(dir); - } -} - -static void help(void) { - - printf("%s info [OPTIONS] [DEVPATH|FILE]\n\n" - "Query sysfs or the udev database.\n\n" - " -h --help Print this message\n" - " --version Print version of the program\n" - " -q --query=TYPE Query device information:\n" - " name Name of device node\n" - " symlink Pointing to node\n" - " path sysfs device path\n" - " property The device properties\n" - " all All values\n" - " -p --path=SYSPATH sysfs device path used for query or attribute walk\n" - " -n --name=NAME Node or symlink name used for query or attribute walk\n" - " -r --root Prepend dev directory to path names\n" - " -a --attribute-walk Print all key matches walking along the chain\n" - " of parent devices\n" - " -d --device-id-of-file=FILE Print major:minor of device containing this file\n" - " -x --export Export key/value pairs\n" - " -P --export-prefix Export the key name with a prefix\n" - " -e --export-db Export the content of the udev database\n" - " -c --cleanup-db Clean up the udev database\n" - , program_invocation_short_name); -} - -static int uinfo(struct udev *udev, int argc, char *argv[]) { - _cleanup_udev_device_unref_ struct udev_device *device = NULL; - bool root = 0; - bool export = 0; - const char *export_prefix = NULL; - char name[UTIL_PATH_SIZE]; - struct udev_list_entry *list_entry; - int c; - - static const struct option options[] = { - { "name", required_argument, NULL, 'n' }, - { "path", required_argument, NULL, 'p' }, - { "query", required_argument, NULL, 'q' }, - { "attribute-walk", no_argument, NULL, 'a' }, - { "cleanup-db", no_argument, NULL, 'c' }, - { "export-db", no_argument, NULL, 'e' }, - { "root", no_argument, NULL, 'r' }, - { "device-id-of-file", required_argument, NULL, 'd' }, - { "export", no_argument, NULL, 'x' }, - { "export-prefix", required_argument, NULL, 'P' }, - { "version", no_argument, NULL, 'V' }, - { "help", no_argument, NULL, 'h' }, - {} - }; - - enum action_type { - ACTION_QUERY, - ACTION_ATTRIBUTE_WALK, - ACTION_DEVICE_ID_FILE, - } action = ACTION_QUERY; - - enum query_type { - QUERY_NAME, - QUERY_PATH, - QUERY_SYMLINK, - QUERY_PROPERTY, - QUERY_ALL, - } query = QUERY_ALL; - - while ((c = getopt_long(argc, argv, "aced:n:p:q:rxP:RVh", options, NULL)) >= 0) - switch (c) { - case 'n': { - if (device != NULL) { - fprintf(stderr, "device already specified\n"); - return 2; - } - - device = find_device(udev, optarg, "/dev/"); - if (device == NULL) { - fprintf(stderr, "device node not found\n"); - return 2; - } - break; - } - case 'p': - if (device != NULL) { - fprintf(stderr, "device already specified\n"); - return 2; - } - - device = find_device(udev, optarg, "/sys"); - if (device == NULL) { - fprintf(stderr, "syspath not found\n"); - return 2; - } - break; - case 'q': - action = ACTION_QUERY; - if (streq(optarg, "property") || streq(optarg, "env")) - query = QUERY_PROPERTY; - else if (streq(optarg, "name")) - query = QUERY_NAME; - else if (streq(optarg, "symlink")) - query = QUERY_SYMLINK; - else if (streq(optarg, "path")) - query = QUERY_PATH; - else if (streq(optarg, "all")) - query = QUERY_ALL; - else { - fprintf(stderr, "unknown query type\n"); - return 3; - } - break; - case 'r': - root = true; - break; - case 'd': - action = ACTION_DEVICE_ID_FILE; - strscpy(name, sizeof(name), optarg); - break; - case 'a': - action = ACTION_ATTRIBUTE_WALK; - break; - case 'e': - export_devices(udev); - return 0; - case 'c': - cleanup_db(udev); - return 0; - case 'x': - export = true; - break; - case 'P': - export_prefix = optarg; - break; - case 'V': - printf("%s\n", VERSION); - return 0; - case 'h': - help(); - return 0; - default: - return 1; - } - - switch (action) { - case ACTION_QUERY: - if (!device) { - if (!argv[optind]) { - help(); - return 2; - } - device = find_device(udev, argv[optind], NULL); - if (!device) { - fprintf(stderr, "Unknown device, --name=, --path=, or absolute path in /dev/ or /sys expected.\n"); - return 4; - } - } - - switch(query) { - case QUERY_NAME: { - const char *node = udev_device_get_devnode(device); - - if (node == NULL) { - fprintf(stderr, "no device node found\n"); - return 5; - } - - if (root) - printf("%s\n", udev_device_get_devnode(device)); - else - printf("%s\n", udev_device_get_devnode(device) + strlen("/dev/")); - break; - } - case QUERY_SYMLINK: - list_entry = udev_device_get_devlinks_list_entry(device); - while (list_entry != NULL) { - if (root) - printf("%s", udev_list_entry_get_name(list_entry)); - else - printf("%s", udev_list_entry_get_name(list_entry) + strlen("/dev/")); - list_entry = udev_list_entry_get_next(list_entry); - if (list_entry != NULL) - printf(" "); - } - printf("\n"); - break; - case QUERY_PATH: - printf("%s\n", udev_device_get_devpath(device)); - return 0; - case QUERY_PROPERTY: - list_entry = udev_device_get_properties_list_entry(device); - while (list_entry != NULL) { - if (export) { - const char *prefix = export_prefix; - - if (prefix == NULL) - prefix = ""; - printf("%s%s='%s'\n", prefix, - udev_list_entry_get_name(list_entry), - udev_list_entry_get_value(list_entry)); - } else { - printf("%s=%s\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry)); - } - list_entry = udev_list_entry_get_next(list_entry); - } - break; - case QUERY_ALL: - print_record(device); - break; - default: - assert_not_reached("unknown query type"); - } - break; - case ACTION_ATTRIBUTE_WALK: - if (!device && argv[optind]) { - device = find_device(udev, argv[optind], NULL); - if (!device) { - fprintf(stderr, "Unknown device, absolute path in /dev/ or /sys expected.\n"); - return 4; - } - } - if (!device) { - fprintf(stderr, "Unknown device, --name=, --path=, or absolute path in /dev/ or /sys expected.\n"); - return 4; - } - print_device_chain(device); - break; - case ACTION_DEVICE_ID_FILE: - if (stat_device(name, export, export_prefix) != 0) - return 1; - break; - } - - return 0; -} - -const struct udevadm_cmd udevadm_info = { - .name = "info", - .cmd = uinfo, - .help = "Query sysfs or the udev database", -}; -- cgit v1.2.3-54-g00ecf