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Add a helper function for loading geli keys from the loader.

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This commit is contained in:
Andrew Thompson 2009-02-16 02:42:17 +00:00
parent e31a070263
commit d842ade9a4
2 changed files with 50 additions and 1 deletions
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13
sys/boot/common/loader.8
View file

@ -24,7 +24,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd November 8, 2007
.Dd February 15, 2009
.Dt LOADER 8
.Os
.Sh NAME
@ -215,6 +215,17 @@ Any arguments passed after the name of the file to be loaded
will be passed as arguments to that file.
Currently, argument passing does not work for the kernel.
.Pp
.It Ic load_geli Xo
.Op Fl n Ar keyno
.Ar prov Ar file
.Xc
Loads a
.Xr geli 8
encryption keyfile for the given provider name.
The key index can be specified via
.Ar keyno
or will default to zero.
.Pp
.It Ic ls Xo
.Op Fl l
.Op Ar path

38
sys/boot/common/module.c
View file

@ -154,6 +154,44 @@ command_load(int argc, char *argv[])
return (error == 0 ? CMD_OK : CMD_ERROR);
}
COMMAND_SET(load_geli, "load_geli", "load a geli key", command_load_geli);
static int
command_load_geli(int argc, char *argv[])
{
char typestr[80];
char *cp;
int ch, num;
if (argc < 3) {
command_errmsg = "usage is [-n key#] <prov> <file>";
return(CMD_ERROR);
}
num = 0;
optind = 1;
optreset = 1;
while ((ch = getopt(argc, argv, "n:")) != -1) {
switch(ch) {
case 'n':
num = strtol(optarg, &cp, 0);
if (cp == optarg) {
sprintf(command_errbuf, "bad key index '%s'", optarg);
return(CMD_ERROR);
}
break;
case '?':
default:
/* getopt has already reported an error */
return(CMD_OK);
}
}
argv += (optind - 1);
argc -= (optind - 1);
sprintf(typestr, "%s:geli_keyfile%d", argv[1], num);
return(file_loadraw(typestr, argv[2]));
}
COMMAND_SET(unload, "unload", "unload all modules", command_unload);
static int