/*
- * Copyright (C) 2004-2006 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2004-2008 Kay Sievers <kay.sievers@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 version 2 of the License.
- *
- * 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, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * 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 <http://www.gnu.org/licenses/>.
*/
-#include "config.h"
-
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "udev.h"
-static void print_all_attributes(const char *devpath, const char *key)
+static void print_all_attributes(struct udev_device *device, const char *key)
{
- char path[PATH_SIZE];
DIR *dir;
struct dirent *dent;
- strlcpy(path, sysfs_path, sizeof(path));
- strlcat(path, devpath, sizeof(path));
-
- dir = opendir(path);
+ dir = opendir(udev_device_get_syspath(device));
if (dir != NULL) {
for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
struct stat statbuf;
- char filename[PATH_SIZE];
- char *attr_value;
- char value[NAME_SIZE];
+ char filename[UTIL_PATH_SIZE];
+ const char *value;
size_t len;
if (dent->d_name[0] == '.')
if (strcmp(dent->d_name, "dev") == 0)
continue;
- strlcpy(filename, path, sizeof(filename));
- strlcat(filename, "/", sizeof(filename));
- strlcat(filename, dent->d_name, sizeof(filename));
+ util_strlcpy(filename, udev_device_get_syspath(device), sizeof(filename));
+ util_strlcat(filename, "/", sizeof(filename));
+ util_strlcat(filename, dent->d_name, sizeof(filename));
if (lstat(filename, &statbuf) != 0)
continue;
if (S_ISLNK(statbuf.st_mode))
continue;
- attr_value = sysfs_attr_get_value(devpath, dent->d_name);
- if (attr_value == NULL)
+ value = udev_device_get_attr_value(device, dent->d_name);
+ if (value == NULL)
continue;
- len = strlcpy(value, attr_value, sizeof(value));
- if(len >= sizeof(value))
- len = sizeof(value) - 1;
- dbg("attr '%s'='%s'(%zi)\n", dent->d_name, value, len);
-
- /* remove trailing newlines */
- while (len && value[len-1] == '\n')
- value[--len] = '\0';
+ dbg(udev, "attr '%s'='%s'(%zi)\n", dent->d_name, value, len);
/* skip nonprintable attributes */
- while (len && isprint(value[len-1]))
+ len = strlen(value);
+ while (len > 0 && isprint(value[len-1]))
len--;
- if (len) {
- dbg("attribute value of '%s' non-printable, skip\n", dent->d_name);
+ if (len > 0) {
+ dbg(info, "attribute value of '%s' non-printable, skip\n", dent->d_name);
continue;
}
printf(" %s{%s}==\"%s\"\n", key, dent->d_name, value);
}
+ closedir(dir);
}
printf("\n");
}
-static int print_device_chain(const char *devpath)
+static int print_device_chain(struct udev_device *device)
{
- struct sysfs_device *dev;
-
- dev = sysfs_device_get(devpath);
- if (dev == NULL)
- return -1;
+ struct udev_device *device_parent;
+ const char *str;
printf("\n"
"Udevinfo starts with the device specified by the devpath and then\n"
"and the attributes from one single parent device.\n"
"\n");
- printf(" looking at device '%s':\n", dev->devpath);
- printf(" KERNEL==\"%s\"\n", dev->kernel);
- printf(" SUBSYSTEM==\"%s\"\n", dev->subsystem);
- printf(" DRIVER==\"%s\"\n", dev->driver);
- print_all_attributes(dev->devpath, "ATTR");
-
- /* walk up the chain of devices */
- while (1) {
- dev = sysfs_device_get_parent(dev);
- if (dev == NULL)
+ 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", dev->devpath);
- printf(" KERNELS==\"%s\"\n", dev->kernel);
- printf(" SUBSYSTEMS==\"%s\"\n", dev->subsystem);
- printf(" DRIVERS==\"%s\"\n", dev->driver);
+ 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);
- print_all_attributes(dev->devpath, "ATTRS");
- }
+ return 0;
+}
+static int print_record_devlinks_cb(struct udev_device *device, const char *value, void *data)
+{
+ size_t len;
+
+ len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
+ printf("S: %s\n", &value[len+1]);
return 0;
}
-static void print_record(struct udevice *udev)
+static int print_record_properties_cb(struct udev_device *device, const char *key, const char *value, void *data)
{
- struct name_entry *name_loop;
-
- printf("P: %s\n", udev->dev->devpath);
- printf("N: %s\n", udev->name);
- list_for_each_entry(name_loop, &udev->symlink_list, node)
- printf("S: %s\n", name_loop->name);
- if (udev->link_priority != 0)
- printf("L: %i\n", udev->link_priority);
- if (udev->partitions != 0)
- printf("A:%u\n", udev->partitions);
- if (udev->ignore_remove)
- printf("R:%u\n", udev->ignore_remove);
- list_for_each_entry(name_loop, &udev->env_list, node)
- printf("E: %s\n", name_loop->name);
+ printf("E: %s=%s\n", key, value);
+ return 0;
}
-static void export_db(void) {
- LIST_HEAD(name_list);
- struct name_entry *name_loop;
-
- udev_db_get_all_entries(&name_list);
- list_for_each_entry(name_loop, &name_list, node) {
- struct udevice *udev_db;
-
- udev_db = udev_device_init();
- if (udev_db == NULL)
- continue;
- if (udev_db_get_device(udev_db, name_loop->name) == 0)
- print_record(udev_db);
- printf("\n");
- udev_device_cleanup(udev_db);
- }
- name_list_cleanup(&name_list);
+static void print_record(struct udev_device *device)
+{
+ size_t len;
+ int i;
+
+ printf("P: %s\n", udev_device_get_devpath(device));
+ len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
+ printf("N: %s\n", &udev_device_get_devnode(device)[len+1]);
+ i = device_get_devlink_priority(device);
+ if (i != 0)
+ printf("L: %i\n", i);
+ i = device_get_num_fake_partitions(device);
+ if (i != 0)
+ printf("A:%u\n", i);
+ i = device_get_ignore_remove(device);
+ if (i != 0)
+ printf("R:%u\n", i);
+ udev_device_get_devlinks(device, print_record_devlinks_cb, NULL);
+ udev_device_get_properties(device, print_record_properties_cb, NULL);
+ printf("\n");
}
-static int lookup_device_by_name(struct udevice **udev, const char *name)
+static int export_all_cb(struct udev_device *device, void *data)
{
+ if (udev_device_get_devnode(device) != NULL)
+ print_record(device);
+ return 0;
+}
+
+static struct udev_device *lookup_device_by_name(struct udev *udev, const char *name)
+{
+ struct udev_device *udev_device = NULL;
LIST_HEAD(name_list);
int count;
struct name_entry *device;
- int rc = -1;
- count = udev_db_get_devices_by_name(name, &name_list);
+ count = udev_db_get_devices_by_name(udev, name, &name_list);
if (count <= 0)
goto out;
- info("found %i devices for '%s'\n", count, name);
+ info(udev, "found %i devices for '%s'\n", count, name);
- /* select the device that seems to match */
+ /* select the device that matches */
list_for_each_entry(device, &name_list, node) {
- struct udevice *udev_loop;
- char filename[PATH_SIZE];
+ struct udevice *udevice_loop;
+ char filename[UTIL_PATH_SIZE];
struct stat statbuf;
- udev_loop = udev_device_init();
- if (udev_loop == NULL)
+ udevice_loop = udev_device_init(udev);
+ if (udevice_loop == NULL)
break;
- if (udev_db_get_device(udev_loop, device->name) != 0)
+ if (udev_db_get_device(udevice_loop, device->name) != 0)
goto next;
- info("found db entry '%s'\n", device->name);
-
+ info(udev, "found db entry '%s'\n", device->name);
/* make sure, we don't get a link of a different device */
- strlcpy(filename, udev_root, sizeof(filename));
- strlcat(filename, "/", sizeof(filename));
- strlcat(filename, name, sizeof(filename));
+ util_strlcpy(filename, udev_get_dev_path(udev), sizeof(filename));
+ util_strlcat(filename, "/", sizeof(filename));
+ util_strlcat(filename, name, sizeof(filename));
if (stat(filename, &statbuf) != 0)
goto next;
- if (major(udev_loop->devt) > 0 && udev_loop->devt != statbuf.st_rdev) {
- info("skip '%s', dev_t doesn't match\n", udev_loop->name);
+ if (major(udevice_loop->devt) > 0 && udevice_loop->devt != statbuf.st_rdev) {
+ info(udev, "skip '%s', dev_t doesn't match\n", udevice_loop->name);
goto next;
}
- rc = 0;
- *udev = udev_loop;
+ util_strlcpy(filename, udev_get_sys_path(udev), sizeof(filename));
+ util_strlcat(filename, udevice_loop->dev->devpath, sizeof(filename));
+ udev_device = udev_device_new_from_syspath(udev, filename);
+ udev_device_cleanup(udevice_loop);
break;
next:
- udev_device_cleanup(udev_loop);
+ udev_device_cleanup(udevice_loop);
}
out:
- name_list_cleanup(&name_list);
- return rc;
+ name_list_cleanup(udev, &name_list);
+ return udev_device;
+}
+
+static int add_devlink_cb(struct udev_device *device, const char *value, void *data)
+{
+ char **links = data;
+
+ if (*links == NULL) {
+ *links = strdup(value);
+ } else {
+ char *str;
+
+ asprintf(&str, "%s %s", *links, value);
+ free(*links);
+ *links = str;
+ }
+ return 0;
+}
+
+static int add_devlink_noroot_cb(struct udev_device *device, const char *value, void *data)
+{
+ size_t len;
+
+ len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
+ value = &value[len+1];
+ return add_devlink_cb(device, value, data);
+}
+
+static int print_property_cb(struct udev_device *device, const char *key, const char *value, void *data)
+{
+ printf("%s=%s\n", key, value);
+ return 0;
}
static int stat_device(const char *name, int export, const char *prefix)
return 0;
}
-int udevinfo(int argc, char *argv[])
+int udevadm_info(struct udev *udev, int argc, char *argv[])
{
- int option;
- struct udevice *udev = NULL;
+ struct udev_device *device = NULL;
int root = 0;
int export = 0;
const char *export_prefix = NULL;
+ char path[UTIL_PATH_SIZE];
+ char name[UTIL_PATH_SIZE];
+ char *links;
+ int rc = 0;
static const struct option options[] = {
{ "name", 1, NULL, 'n' },
QUERY_ALL,
} query = QUERY_NONE;
- char path[PATH_SIZE] = "";
- char name[PATH_SIZE] = "";
- struct name_entry *name_loop;
- int rc = 0;
-
- logging_init("udevinfo");
- udev_config_init();
- sysfs_init();
-
while (1) {
+ int option;
+
option = getopt_long(argc, argv, "aed:n:p:q:rxPVh", options, NULL);
if (option == -1)
break;
- dbg("option '%c'\n", option);
+ dbg(udev, "option '%c'\n", option);
switch (option) {
case 'n':
+ if (device != NULL) {
+ fprintf(stderr, "device already specified\n");
+ rc = 2;
+ goto exit;
+ }
/* remove /dev if given */
- if (strncmp(optarg, udev_root, strlen(udev_root)) == 0)
- strlcpy(name, &optarg[strlen(udev_root)+1], sizeof(name));
+ if (strncmp(optarg, udev_get_dev_path(udev), strlen(udev_get_dev_path(udev))) == 0)
+ util_strlcpy(name, &optarg[strlen(udev_get_dev_path(udev))+1], sizeof(name));
else
- strlcpy(name, optarg, sizeof(name));
- remove_trailing_chars(name, '/');
- dbg("name: %s\n", name);
+ util_strlcpy(name, optarg, sizeof(name));
+ util_remove_trailing_chars(name, '/');
+ device = lookup_device_by_name(udev, name);
break;
case 'p':
- /* remove /sys if given */
- if (strncmp(optarg, sysfs_path, strlen(sysfs_path)) == 0)
- strlcpy(path, &optarg[strlen(sysfs_path)], sizeof(path));
- else
- strlcpy(path, optarg, sizeof(path));
- remove_trailing_chars(path, '/');
-
- /* possibly resolve to real devpath */
- if (sysfs_resolve_link(path, sizeof(path)) != 0) {
- char temp[PATH_SIZE];
- char *pos;
-
- /* also check if the parent is a link */
- strlcpy(temp, path, sizeof(temp));
- pos = strrchr(temp, '/');
- if (pos != 0) {
- char tail[PATH_SIZE];
-
- strlcpy(tail, pos, sizeof(tail));
- pos[0] = '\0';
- if (sysfs_resolve_link(temp, sizeof(temp)) == 0) {
- strlcpy(path, temp, sizeof(path));
- strlcat(path, tail, sizeof(path));
- }
- }
+ if (device != NULL) {
+ fprintf(stderr, "device already specified\n");
+ rc = 2;
+ goto exit;
}
- dbg("path: %s\n", path);
+ /* add /sys if needed */
+ if (strncmp(optarg, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) {
+ util_strlcpy(path, udev_get_sys_path(udev), sizeof(path));
+ util_strlcat(path, optarg, sizeof(path));
+ } else {
+ util_strlcpy(path, optarg, sizeof(path));
+ }
+ util_remove_trailing_chars(path, '/');
+ device = udev_device_new_from_syspath(udev, path);
break;
case 'q':
action = ACTION_QUERY;
break;
case 'd':
action = ACTION_DEVICE_ID_FILE;
- strlcpy(name, optarg, sizeof(name));
+ util_strlcpy(name, optarg, sizeof(name));
break;
case 'a':
action = ACTION_ATTRIBUTE_WALK;
break;
case 'e':
- export_db();
+ udev_enumerate_devices(udev, NULL, export_all_cb, NULL);
goto exit;
case 'x':
export = 1;
}
}
- /* run action */
switch (action) {
case ACTION_QUERY:
- /* needs devpath or node/symlink name for query */
- if (path[0] != '\0') {
- udev = udev_device_init();
- if (udev == NULL) {
- rc = 1;
- goto exit;
- }
- if (udev_db_get_device(udev, path) != 0) {
- fprintf(stderr, "no record for '%s' in database\n", path);
- rc = 3;
- goto exit;
- }
- } else if (name[0] != '\0') {
- if (lookup_device_by_name(&udev, name) != 0) {
- fprintf(stderr, "node name not found\n");
- rc = 4;
- goto exit;
- }
- } else {
- fprintf(stderr, "query needs --path or node --name specified\n");
+ if (device == NULL) {
+ fprintf(stderr, "query needs a valid device specified by --path= or --name=\n");
rc = 4;
goto exit;
}
switch(query) {
case QUERY_NAME:
- if (root)
- printf("%s/%s\n", udev_root, udev->name);
- else
- printf("%s\n", udev->name);
- break;
- case QUERY_SYMLINK:
- list_for_each_entry(name_loop, &udev->symlink_list, node) {
- char c = name_loop->node.next != &udev->symlink_list ? ' ' : '\n';
+ if (root) {
+ printf("%s\n", udev_device_get_devnode(device));
+ } else {
+ size_t len;
- if (root)
- printf("%s/%s%c", udev_root, name_loop->name, c);
- else
- printf("%s%c", name_loop->name, c);
+ len = strlen(udev_get_dev_path(udev));
+ printf("%s\n", &udev_device_get_devnode(device)[len+1]);
}
break;
+ case QUERY_SYMLINK:
+ links = NULL;
+ if (root)
+ udev_device_get_devlinks(device, add_devlink_cb, &links);
+ else
+ udev_device_get_devlinks(device, add_devlink_noroot_cb, &links);
+ printf("%s\n", links);
+ free(links);
+ break;
case QUERY_PATH:
- printf("%s\n", udev->dev->devpath);
+ printf("%s\n", udev_device_get_devpath(device));
goto exit;
case QUERY_ENV:
- list_for_each_entry(name_loop, &udev->env_list, node)
- printf("%s\n", name_loop->name);
+ udev_device_get_properties(device, print_property_cb, NULL);
break;
case QUERY_ALL:
- print_record(udev);
+ print_record(device);
break;
default:
fprintf(stderr, "unknown query type\n");
}
break;
case ACTION_ATTRIBUTE_WALK:
- if (path[0] != '\0') {
- if (print_device_chain(path) != 0) {
- fprintf(stderr, "no valid sysfs device found\n");
- rc = 4;
- goto exit;
- }
- } else if (name[0] != '\0') {
- if (lookup_device_by_name(&udev, name) != 0) {
- fprintf(stderr, "node name not found\n");
- rc = 4;
- goto exit;
- }
- if (print_device_chain(udev->dev->devpath) != 0) {
- fprintf(stderr, "no valid sysfs device found\n");
- rc = 4;
- goto exit;
- }
- } else {
- fprintf(stderr, "attribute walk needs --path or node --name specified\n");
+ if (device == NULL) {
+ fprintf(stderr, "query needs a valid device specified by --path= or --name=\n");
rc = 5;
goto exit;
}
+ print_device_chain(device);
break;
case ACTION_DEVICE_ID_FILE:
if (stat_device(name, export, export_prefix) != 0)
rc = 6;
break;
case ACTION_ROOT:
- printf("%s\n", udev_root);
+ printf("%s\n", udev_get_dev_path(udev));
break;
default:
fprintf(stderr, "missing option\n");
}
exit:
- udev_device_cleanup(udev);
- sysfs_cleanup();
- logging_close();
+ udev_device_unref(device);
return rc;
}
~ianmdlvl / elogind.git / blobdiff