From 8f6919e6390d79a2765e1dc9b0057412e987dce2 Mon Sep 17 00:00:00 2001
From: Greg KH <greg@press.(none)>
Date: Thu, 11 Aug 2005 13:59:21 -0700
Subject: [PATCH] Created cdrom_id program to make it easier to determine cdrom
 types

Based on the framework from ata_id by Kay.
Now we can drop the cdsymlinks.sh and .c files

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 extras/cdrom_id/Makefile   |  51 +++++++++++++++
 extras/cdrom_id/cdrom_id.c | 129 +++++++++++++++++++++++++++++++++++++
 2 files changed, 180 insertions(+)
 create mode 100644 extras/cdrom_id/Makefile
 create mode 100644 extras/cdrom_id/cdrom_id.c

diff --git a/extras/cdrom_id/Makefile b/extras/cdrom_id/Makefile
new file mode 100644
index 0000000000..44c9ba2b08
--- /dev/null
+++ b/extras/cdrom_id/Makefile
@@ -0,0 +1,51 @@
+# Makefile for cdrom_id
+#
+# Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+# Copyright (C) 2005 Greg Kroah-Hartman <gregkh@suse.de>
+#
+# 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 = cdrom_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 = ${INSTALL_PROGRAM}
+
+OBJS = cdrom_id.o ../../udev.a
+
+$(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)
diff --git a/extras/cdrom_id/cdrom_id.c b/extras/cdrom_id/cdrom_id.c
new file mode 100644
index 0000000000..7d97d0b07b
--- /dev/null
+++ b/extras/cdrom_id/cdrom_id.c
@@ -0,0 +1,129 @@
+/*
+ * cdrom_id - determines the capabilities of cdrom drives
+ *
+ * Copyright (C) 2005 Greg Kroah-Hartman <gregkh@suse.de>
+ *
+ *	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.
+ *
+ * Framework based on ata_id which is:
+ *	Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ */
+
+#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/cdrom.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
+
+int main(int argc, char *argv[])
+{
+	const char *node = NULL;
+	int i;
+	int export = 0;
+	int fd;
+	int rc = 0;
+	int result;
+
+	logging_init("cdrom_id");
+
+	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;
+	}
+
+	result = ioctl(fd, CDROM_GET_CAPABILITY);
+	if (result < 0) {
+		err("CDROM_GET_CABILITY failed for '%s'", node);
+		rc = 3;
+		goto close;
+	}
+
+	printf("ID_CDC=true\n");
+
+	if (result & CDC_CD_R)
+		printf("ID_CDC_CD_R=true\n");
+	if (result & CDC_CD_RW)
+		printf("ID_CDC_CD_RW=true\n");
+
+	if (result & CDC_DVD)
+		printf("ID_CDC_DVD=true\n");
+	if (result & CDC_DVD_R)
+		printf("ID_CDC_DVD_R=true\n");
+	if (result & CDC_DVD_RAM)
+		printf("ID_CDC_DVD_RAM=true\n");
+
+	if (result & CDC_MRW)
+		printf("ID_CDC_MRW=true\n");
+	if (result & CDC_MRW_W)
+		printf("ID_CDC_MRW_W=true\n");
+	
+	if (result & CDC_RAM)
+		printf("ID_CDC_RAM=true\n");
+	goto close;
+
+close:
+	close(fd);
+exit:
+	logging_close();
+	return rc;
+}