diff options
Diffstat (limited to 'extras/cdrom_id')
| -rw-r--r-- | extras/cdrom_id/Makefile | 51 | ||||
| -rw-r--r-- | extras/cdrom_id/cdrom_id.c | 129 |
2 files changed, 180 insertions, 0 deletions
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; +} |