diff options
Diffstat (limited to 'sbin')
-rw-r--r-- | sbin/disklabel/disklabel.8 | 8 | ||||
-rw-r--r-- | sbin/disklabel/editor.c | 41 |
2 files changed, 43 insertions, 6 deletions
diff --git a/sbin/disklabel/disklabel.8 b/sbin/disklabel/disklabel.8 index e230286beec..c4b8a0f8abb 100644 --- a/sbin/disklabel/disklabel.8 +++ b/sbin/disklabel/disklabel.8 @@ -1,4 +1,4 @@ -.\" $OpenBSD: disklabel.8,v 1.92 2010/04/21 06:56:57 jmc Exp $ +.\" $OpenBSD: disklabel.8,v 1.93 2010/04/28 17:26:46 jsing Exp $ .\" $NetBSD: disklabel.8,v 1.9 1995/03/18 14:54:38 cgd Exp $ .\" .\" Copyright (c) 1987, 1988, 1991, 1993 @@ -33,7 +33,7 @@ .\" .\" @(#)disklabel.8 8.2 (Berkeley) 4/19/94 .\" -.Dd $Mdocdate: April 21 2010 $ +.Dd $Mdocdate: April 28 2010 $ .Dt DISKLABEL 8 .Os .Sh NAME @@ -388,6 +388,10 @@ thinks (the geometry is simply what the label said before .Nm made any changes). +.It Cm i +Change the disklabel UID, specified as a 16 character hexadecimal string. +If set to all zeros, a new UID will automatically be allocated when the +disklabel is written to disk. .It Cm l Op Ar unit Print the disk label header. .It Cm M diff --git a/sbin/disklabel/editor.c b/sbin/disklabel/editor.c index 85362641e2a..b7473df7471 100644 --- a/sbin/disklabel/editor.c +++ b/sbin/disklabel/editor.c @@ -1,4 +1,4 @@ -/* $OpenBSD: editor.c,v 1.235 2010/04/23 15:25:21 jsing Exp $ */ +/* $OpenBSD: editor.c,v 1.236 2010/04/28 17:26:46 jsing Exp $ */ /* * Copyright (c) 1997-2000 Todd C. Miller <Todd.Miller@courtesan.com> @@ -129,6 +129,7 @@ struct partition **sort_partitions(struct disklabel *); void getdisktype(struct disklabel *, char *, char *); void find_bounds(struct disklabel *); void set_bounds(struct disklabel *); +void set_uid(struct disklabel *); struct diskchunk *free_chunks(struct disklabel *); void mpcopy(char **, char **); int micmp(const void *, const void *); @@ -288,6 +289,10 @@ editor(struct disklabel *lp, int f) set_geometry(&label, disk_geop, lp, arg); break; + case 'i': + set_uid(&label); + break; + case 'm': editor_modify(&label, arg); break; @@ -1596,6 +1601,33 @@ set_bounds(struct disklabel *lp) } /* + * Allow user to interactively change disklabel UID. + */ +void +set_uid(struct disklabel *lp) +{ + u_int uid[8]; + char *s; + int i; + + printf("The disklabel UID is currently: "); + uid_print(stdout, lp); + printf("\n"); + + do { + s = getstring("uid", "The disklabel UID, given as a 16 " + "character hexadecimal string.", NULL); + if (strlen(s) == 0) { + fputs("Command aborted\n", stderr); + return; + } + i = uid_parse(lp, s); + if (i != 0) + fputs("Invalid UID entered.\n", stderr); + } while (i != 0); +} + +/* * Return a list of the "chunks" of free space available */ struct diskchunk * @@ -1706,9 +1738,10 @@ editor_help(void) " d [part] - delete partition U - undo all changes\n" " e - edit drive parameters u - undo last change\n" " g [d|u] - [d]isk or [u]ser geometry w - write label to disk\n" -" l [unit] - print disk label header X - toggle expert mode\n" -" M - disklabel(8) man page x - exit & lose changes\n" -" m [part] - modify partition z - delete all partitions\n" +" i - modify disklabel UID X - toggle expert mode\n" +" l [unit] - print disk label header x - exit & lose changes\n" +" M - disklabel(8) man page z - delete all partitions\n" +" m [part] - modify partition\n" "\n" "Suffixes can be used to indicate units other than sectors:\n" "\t'b' (bytes), 'k' (kilobytes), 'm' (megabytes), 'g' (gigabytes)\n" |