/*
* ata_id - reads product/serial number from ATA drives
*
- * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2005-2008 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 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/>.
*/
#ifndef _GNU_SOURCE
#include <unistd.h>
#include <fcntl.h>
#include <ctype.h>
+#include <string.h>
#include <errno.h>
+#include <getopt.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <linux/types.h>
#include <linux/hdreg.h>
-#include "../../logging.h"
-#include "../../udev_utils.h"
+#include "libudev.h"
+#include "libudev-private.h"
-#ifdef USE_LOG
-void log_message(int priority, const char *format, ...)
+static void log_fn(struct udev *udev, int priority,
+ const char *file, int line, const char *fn,
+ const char *format, va_list args)
{
- va_list args;
- static int udev_log = -1;
-
- if (udev_log == -1) {
- const char *value;
-
- value = getenv("UDEV_LOG");
- if (value)
- udev_log = log_priority(value);
- else
- udev_log = LOG_ERR;
- }
-
- if (priority > udev_log)
- return;
-
- va_start(args, format);
vsyslog(priority, format, args);
- va_end(args);
-}
-#endif
-
-static void set_str(char *to, const char *from, size_t count)
-{
- size_t i, j, len;
-
- /* strip trailing whitespace */
- len = strnlen(from, count);
- while (len && isspace(from[len-1]))
- len--;
-
- /* strip leading whitespace */
- i = 0;
- while (isspace(from[i]) && (i < len))
- i++;
-
- j = 0;
- while (i < len) {
- /* substitute multiple whitespace */
- if (isspace(from[i])) {
- while (isspace(from[i]))
- i++;
- to[j++] = '_';
- }
- /* skip chars */
- if (from[i] == '/') {
- i++;
- continue;
- }
- to[j++] = from[i++];
- }
- to[j] = '\0';
}
int main(int argc, char *argv[])
{
+ struct udev *udev;
struct hd_driveid id;
char model[41];
+ char model_enc[256];
char serial[21];
char revision[9];
const char *node = NULL;
- int i;
int export = 0;
int fd;
int rc = 0;
+ static const struct option options[] = {
+ { "export", no_argument, NULL, 'x' },
+ { "help", no_argument, NULL, 'h' },
+ {}
+ };
+
+ udev = udev_new();
+ if (udev == NULL)
+ goto exit;
+
+ udev_log_init("ata_id");
+ udev_set_log_fn(udev, log_fn);
- logging_init("ata_id");
+ while (1) {
+ int option;
- for (i = 1 ; i < argc; i++) {
- char *arg = argv[i];
+ option = getopt_long(argc, argv, "xh", options, NULL);
+ if (option == -1)
+ break;
- if (strcmp(arg, "--export") == 0) {
+ switch (option) {
+ case 'x':
export = 1;
- } else
- node = arg;
+ break;
+ case 'h':
+ printf("Usage: ata_id [--export] [--help] <device>\n"
+ " --export print values as environment keys\n"
+ " --help print this help text\n\n");
+ default:
+ rc = 1;
+ goto exit;
+ }
}
- if (!node) {
- err("no node specified");
+
+ node = argv[optind];
+ if (node == NULL) {
+ err(udev, "no node specified\n");
rc = 1;
goto exit;
}
fd = open(node, O_RDONLY|O_NONBLOCK);
if (fd < 0) {
- err("unable to open '%s'", node);
+ err(udev, "unable to open '%s'\n", node);
rc = 1;
goto exit;
}
if (ioctl(fd, HDIO_GET_IDENTITY, &id)) {
- err("HDIO_GET_IDENTITY failed for '%s'", node);
- rc = 3;
+ if (errno == ENOTTY) {
+ info(udev, "HDIO_GET_IDENTITY unsupported for '%s'\n", node);
+ rc = 2;
+ } else {
+ err(udev, "HDIO_GET_IDENTITY failed for '%s'\n", node);
+ rc = 3;
+ }
goto close;
}
- set_str(model, (char *) id.model, 40);
- set_str(serial, (char *) id.serial_no, 20);
- set_str(revision, (char *) id.fw_rev, 8);
+ memcpy (model, id.model, 40);
+ model[40] = '\0';
+ udev_util_encode_string(model, model_enc, sizeof(model_enc));
+ udev_util_replace_whitespace((char *) id.model, model, 40);
+ udev_util_replace_chars(model, NULL);
+ udev_util_replace_whitespace((char *) id.serial_no, serial, 20);
+ udev_util_replace_chars(serial, NULL);
+ udev_util_replace_whitespace((char *) id.fw_rev, revision, 8);
+ udev_util_replace_chars(revision, NULL);
if (export) {
if ((id.config >> 8) & 0x80) {
} else {
printf("ID_TYPE=disk\n");
}
+ printf("ID_BUS=ata\n");
printf("ID_MODEL=%s\n", model);
- printf("ID_SERIAL=%s\n", serial);
+ printf("ID_MODEL_ENC=%s\n", model_enc);
printf("ID_REVISION=%s\n", revision);
- printf("ID_BUS=ata\n");
+ printf("ID_SERIAL=%s_%s\n", model, serial);
+ printf("ID_SERIAL_SHORT=%s\n", serial);
} else {
if (serial[0] != '\0')
printf("%s_%s\n", model, serial);
close:
close(fd);
exit:
- logging_close();
+ udev_unref(udev);
+ udev_log_close();
return rc;
}