david/ipxe
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ipxe/src/commandline/commands/nvo_cmd.c

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#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <vsprintf.h>
#include <command.h>
#include <gpxe/nvo.h>
#include <gpxe/dhcp.h>
void nvo_cmd_req() {}
extern struct nvo_block *ugly_nvo_hack;
static int show_exec ( int argc, char **argv ) {
if ( ! ugly_nvo_hack ) {
printf ( "No non-volatile option storage available\n" );
return 1;
}
hex_dump ( ugly_nvo_hack->options->data,
ugly_nvo_hack->options->len );
}
struct command show_command __command = {
.name = "show",
.usage = "show\n",
.desc = "Show stored options",
.exec = show_exec,
};
static int set_exec ( int argc, char **argv ) {
unsigned long tag;
struct dhcp_option *option;
if ( ! ugly_nvo_hack ) {
printf ( "No non-volatile option storage available\n" );
return 1;
}
if ( argc != 3 ) {
printf ( "Syntax: %s <option number> <option string>\n",
argv[0] );
return 1;
}
tag = strtoul ( argv[1], NULL, 0 );
option = set_dhcp_option ( ugly_nvo_hack->options, tag, argv[2],
strlen ( argv[2] ) );
if ( ! option ) {
printf ( "Could not set option %ld\n", tag );
return 1;
}
if ( nvo_save ( ugly_nvo_hack ) != 0 ) {
printf ( "Could not save options to non-volatile storage\n" );
return 1;
}
return 0;
}
struct command set_command __command = {
.name = "set",
.usage = "set <option number> <option string>\n",
.desc = "Set stored option",
.exec = set_exec,
};