add ata_id to read serial numbers from ATA drives

Signed-off-by: Kay Sievers <kay.sievers@suse.de>

extras/ata_id/Makefile

@@ -0,0 +1,52 @@
+# Makefile for udev_volume_id
+#
+# Copyright (C) 2004 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.
+#
+
+PROG = ata_id
+
+all:	$(PROG)
+
+prefix =
+exec_prefix =	${prefix}
+etcdir =	${prefix}/etc
+sbindir =	${exec_prefix}/sbin
+usrbindir =	${exec_prefix}/usr/bin
+usrsbindir =	${exec_prefix}/usr/sbin
+mandir =	${prefix}/usr/share/man
+devddir =	${etcdir}/dev.d/default
+configdir =	${etcdir}/udev/
+initdir = 	${etcdir}/init.d/
+srcdir = .
+
+INSTALL = /usr/bin/install -c
+INSTALL_PROGRAM = ${INSTALL}
+INSTALL_DATA  = ${INSTALL} -m 644
+INSTALL_SCRIPT = ${INSTALL_PROGRAM}
+
+override CFLAGS+=-D_FILE_OFFSET_BITS=64
+
+OBJS = ata_id.o ../../udev.a
+
+$(OBJS): $(HEADERS)
+
+.c.o:
+	$(QUIET) $(CC) $(CFLAGS) -c -o $@ $<
+
+$(PROG): $(OBJS) $(HEADERS)
+	$(QUIET) $(LD) $(LDFLAGS) -o $(PROG) $(OBJS) $(LIB_OBJS)
+
+clean:
+	rm -f $(PROG) $(OBJS)
+
+spotless: clean
+
+install: all
+	$(INSTALL_PROGRAM) $(PROG) $(DESTDIR)$(sbindir)/$(PROG)
+
+uninstall:
+	- rm $(DESTDIR)$(sbindir)/$(PROG)

extras/ata_id/ata_id.c

@@ -0,0 +1,150 @@
+/*
+ * ata_id - reads product/serial number from ATA drives
+ *
+ * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library 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.
+ *
+ *	This library 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 this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <errno.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"
+
+#ifdef USE_LOG
+void log_message(int priority, const char *format, ...)
+{
+	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 unsigned char *from, int count)
+{
+	int i, j;
+	int len;
+
+	len = strnlen(from, count);
+	while (isspace(from[len-1]))
+		len--;
+
+	i = 0;
+	while (isspace(from[i]) && (i < len))
+		i++;
+
+	j = 0;
+	while (i < len) {
+		switch(from[i]) {
+		case '/':
+		case ' ':
+			to[j++] = '_';
+		default:
+			to[j++] = from[i];
+		}
+		i++;
+	}
+	to[j] = '\0';
+}
+
+int main(int argc, char *argv[])
+{
+	struct hd_driveid id;
+	char model[41];
+	char serial[21];
+	char revision[9];
+	const char *node = NULL;
+	int i;
+	int export = 0;
+	int fd;
+	int rc = 0;
+
+	for (i = 1 ; i < argc; i++) {
+		char *arg = argv[i];
+
+		if (strcmp(arg, "--export") == 0) {
+			export = 1;
+		} else
+			node = arg;
+	}
+	if (!node) {
+		err("no node specified");
+		rc = 1;
+		goto exit;
+	}
+
+	fd = open(node, O_RDONLY);
+	if (fd < 0)
+		if (errno == ENOMEDIUM)
+			fd = open(node, O_RDONLY|O_NONBLOCK);
+	if (fd < 0) {
+		err("unable to open '%s'", node);
+		rc = 1;
+		goto exit;
+	}
+
+	if (ioctl(fd, HDIO_GET_IDENTITY, &id)) {
+		err("HDIO_GET_IDENTITY failed for '%s'", node);
+		rc = 3;
+		goto close;
+	}
+
+	set_str(model, id.model, 40);
+	set_str(serial, id.serial_no, 20);
+	set_str(revision, id.fw_rev, 8);
+
+	if (export) {
+		printf("ID_MODEL=%s\n", model);
+		printf("ID_SERIAL=%s\n", serial);
+		printf("ID_REVISION=%s\n", revision);
+	} else
+		printf("%s_%s\n", model, serial);
+
+close:
+	close(fd);
+exit:
+	logging_close();
+	return rc;
+}

test/simple-build-check.sh

@@ -1,6 +1,6 @@
 #/bin/sh
 
-EXTRAS="extras/chassis_id extras/scsi_id extras/volume_id extras/run_directory"
+EXTRAS="extras/chassis_id extras/scsi_id extras/ata_id extras/volume_id extras/run_directory"
 
 [ -z "$KERNEL_DIR" ] && KERNEL_DIR=/lib/modules/`uname -r`/build
 echo KERNEL_DIR: "$KERNEL_DIR"