99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
|
/* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
|
||
|
|
* Use of this source code is governed by a BSD-style license that can be
|
||
|
|
* found in the LICENSE file.
|
||
|
|
*
|
||
|
|
* Utility for ChromeOS-specific GPT partitions, Please see corresponding .c
|
||
|
|
* files for more details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <uuid/uuid.h>
|
||
|
|
|
||
|
|
#include "cgpt.h"
|
||
|
|
#include "vboot_host.h"
|
||
|
|
|
||
|
|
const char* progname;
|
||
|
|
|
||
|
|
int GenerateGuid(Guid *newguid)
|
||
|
|
{
|
||
|
|
/* From libuuid */
|
||
|
|
uuid_generate(newguid->u.raw);
|
||
|
|
return CGPT_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
struct {
|
||
|
|
const char *name;
|
||
|
|
int (*fp)(int argc, char *argv[]);
|
||
|
|
const char *comment;
|
||
|
|
} cmds[] = {
|
||
|
|
{"create", cmd_create, "Create or reset GPT headers and tables"},
|
||
|
|
{"add", cmd_add, "Add, edit or remove a partition entry"},
|
||
|
|
{"show", cmd_show, "Show partition table and entries"},
|
||
|
|
{"repair", cmd_repair, "Repair damaged GPT headers and tables"},
|
||
|
|
{"boot", cmd_boot, "Edit the PMBR sector for legacy BIOSes"},
|
||
|
|
{"find", cmd_find, "Locate a partition by its GUID"},
|
||
|
|
{"edit", cmd_edit, "Edit a drive entry"},
|
||
|
|
{"prioritize", cmd_prioritize,
|
||
|
|
"Reorder the priority of all kernel partitions"},
|
||
|
|
{"legacy", cmd_legacy, "Switch between GPT and Legacy GPT"},
|
||
|
|
};
|
||
|
|
|
||
|
|
static void Usage(void) {
|
||
|
|
int i;
|
||
|
|
|
||
|
|
printf("\nUsage: %s COMMAND [OPTIONS] DRIVE\n\n"
|
||
|
|
"Supported COMMANDs:\n\n",
|
||
|
|
progname);
|
||
|
|
|
||
|
|
for (i = 0; i < sizeof(cmds)/sizeof(cmds[0]); ++i) {
|
||
|
|
printf(" %-15s %s\n", cmds[i].name, cmds[i].comment);
|
||
|
|
}
|
||
|
|
printf("\nFor more detailed usage, use %s COMMAND -h\n\n", progname);
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(int argc, char *argv[]) {
|
||
|
|
int i;
|
||
|
|
int match_count = 0;
|
||
|
|
int match_index = 0;
|
||
|
|
char* command;
|
||
|
|
|
||
|
|
progname = strrchr(argv[0], '/');
|
||
|
|
if (progname)
|
||
|
|
progname++;
|
||
|
|
else
|
||
|
|
progname = argv[0];
|
||
|
|
|
||
|
|
if (argc < 2) {
|
||
|
|
Usage();
|
||
|
|
return CGPT_FAILED;
|
||
|
|
}
|
||
|
|
|
||
|
|
// increment optind now, so that getopt skips argv[0] in command function
|
||
|
|
command = argv[optind++];
|
||
|
|
|
||
|
|
// Find the command to invoke.
|
||
|
|
for (i = 0; command && i < sizeof(cmds)/sizeof(cmds[0]); ++i) {
|
||
|
|
// exact match?
|
||
|
|
if (0 == strcmp(cmds[i].name, command)) {
|
||
|
|
match_index = i;
|
||
|
|
match_count = 1;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
// unique match?
|
||
|
|
else if (0 == strncmp(cmds[i].name, command, strlen(command))) {
|
||
|
|
match_index = i;
|
||
|
|
match_count++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (match_count == 1)
|
||
|
|
return cmds[match_index].fp(argc, argv);
|
||
|
|
|
||
|
|
// Couldn't find a single matching command.
|
||
|
|
Usage();
|
||
|
|
|
||
|
|
return CGPT_FAILED;
|
||
|
|
}
|