bin/57026: [PATCH] Therer is no way to know the label of a cdrom

[Victor Balada Diaz]

>Number:         57026
>Category:       bin
>Synopsis:       [PATCH] Therer is no way to know the label of a cdrom
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Fri Sep 19 15:30:22 PDT 2003
>Closed-Date:
>Last-Modified:
>Originator:     Victor Balada Diaz
>Release:        FreeBSD 5.1-CURRENT i386
>Organization:
>Environment:
System: FreeBSD amnesiac.euesrg02.net 5.1-CURRENT FreeBSD 5.1-CURRENT #5: Mon Sep  8 16:58:54 CEST 2003     victor at amnesiac.euesrg02.net:/usr/src/sys/i386/compile/MYKERNEL  i386


	
>Description:
	I can't find any tool for read the cdrom label, and i think that could
	be usefull that the mount_cd9660(8) says the label when the cdrom is
	mounted
>How-To-Repeat:
	
>Fix:

	Apply the next patch to /usr/src/sbin/mount_cd9660/mount_cd9660.c v 1.21
	

--- mount.patch begins here ---
--- /usr/src/sbin/mount_cd9660/mount_cd9660.c	Wed Aug 21 20:10:55 2002
+++ mount_cd9660.c	Mon Sep 15 17:03:02 2003
@@ -57,6 +57,8 @@
 #include <sys/param.h>
 #include <sys/mount.h>
 #include <sys/../isofs/cd9660/cd9660_mount.h>
+#include <isofs/cd9660/iso.h>
+#include <sys/types.h>
 
 #include <arpa/inet.h>
 
@@ -67,6 +69,7 @@
 #include <string.h>
 #include <sysexits.h>
 #include <unistd.h>
+#include <fcntl.h>
 
 #include "mntopts.h"
 
@@ -172,7 +175,9 @@
 	}
 
 	if (mount("cd9660", mntpath, mntflags, &args) < 0)
-		err(1, "%s", args.fspec);
+	  err(1, "%s", args.fspec);
+	else
+	  print_label(dev);
 	exit(0);
 }
 
@@ -225,3 +230,26 @@
 
 	return ntohl(toc_buffer[i].addr.lba);
 }
+
+int
+print_label(const char *dev)
+{
+  struct iso_primary_descriptor *cdinfo;
+  int fd;
+
+  if (( cdinfo=(void *)malloc(2048))==NULL)
+	return 1;
+  if (( fd = open(dev, O_RDONLY) ) == -1 )
+	perror("open:");
+  else{
+	lseek(fd, (off_t)2048*16, SEEK_SET);
+	read(fd, cdinfo, 2048);
+	if ( cdinfo->volume_id==NULL )
+	  printf("The cd hasn't got a label");
+	else
+	  printf("The cd label is: %s\n", cdinfo->volume_id);
+  }
+  return 0;
+}
+  
+	
--- mount.patch ends here ---


>Release-Note:
>Audit-Trail:
>Unformatted: