Bill Richardson | f1372d9 | 2010-06-11 09:15:55 -0700 | [diff] [blame] | 1 | /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved. |
| 2 | * Use of this source code is governed by a BSD-style license that can be |
| 3 | * found in the LICENSE file. |
| 4 | * |
| 5 | * Utility for ChromeOS-specific GPT partitions, Please see corresponding .c |
| 6 | * files for more details. |
| 7 | */ |
| 8 | |
Bill Richardson | f1372d9 | 2010-06-11 09:15:55 -0700 | [diff] [blame] | 9 | #include <stdio.h> |
| 10 | #include <string.h> |
| 11 | #include <unistd.h> |
Jay Srinivasan | 5fac757 | 2012-02-23 10:59:01 -0800 | [diff] [blame] | 12 | #include <uuid/uuid.h> |
Bill Richardson | f1372d9 | 2010-06-11 09:15:55 -0700 | [diff] [blame] | 13 | |
Bill Richardson | 0c3ba24 | 2013-03-29 11:09:30 -0700 | [diff] [blame] | 14 | #include "cgpt.h" |
| 15 | #include "vboot_host.h" |
| 16 | |
Bill Richardson | f1372d9 | 2010-06-11 09:15:55 -0700 | [diff] [blame] | 17 | const char* progname; |
Bill Richardson | 4cb5497 | 2014-06-20 14:33:00 -0700 | [diff] [blame] | 18 | |
| 19 | int GenerateGuid(Guid *newguid) |
| 20 | { |
| 21 | /* From libuuid */ |
| 22 | uuid_generate(newguid->u.raw); |
| 23 | return CGPT_OK; |
| 24 | } |
Bill Richardson | f1372d9 | 2010-06-11 09:15:55 -0700 | [diff] [blame] | 25 | |
| 26 | struct { |
| 27 | const char *name; |
| 28 | int (*fp)(int argc, char *argv[]); |
| 29 | const char *comment; |
| 30 | } cmds[] = { |
| 31 | {"create", cmd_create, "Create or reset GPT headers and tables"}, |
| 32 | {"add", cmd_add, "Add, edit or remove a partition entry"}, |
| 33 | {"show", cmd_show, "Show partition table and entries"}, |
| 34 | {"repair", cmd_repair, "Repair damaged GPT headers and tables"}, |
| 35 | {"boot", cmd_boot, "Edit the PMBR sector for legacy BIOSes"}, |
Bill Richardson | 4a20931 | 2010-07-02 11:34:38 -0700 | [diff] [blame] | 36 | {"find", cmd_find, "Locate a partition by its GUID"}, |
Bill Richardson | 3430b32 | 2010-11-29 14:24:51 -0800 | [diff] [blame] | 37 | {"prioritize", cmd_prioritize, |
| 38 | "Reorder the priority of all kernel partitions"}, |
Stefan Reinauer | b7b865c | 2012-08-23 15:06:25 -0700 | [diff] [blame] | 39 | {"legacy", cmd_legacy, "Switch between GPT and Legacy GPT"}, |
Bill Richardson | f1372d9 | 2010-06-11 09:15:55 -0700 | [diff] [blame] | 40 | }; |
| 41 | |
Bill Richardson | f1372d9 | 2010-06-11 09:15:55 -0700 | [diff] [blame] | 42 | void Usage(void) { |
| 43 | int i; |
| 44 | |
Bill Richardson | 3430b32 | 2010-11-29 14:24:51 -0800 | [diff] [blame] | 45 | printf("\nUsage: %s COMMAND [OPTIONS] DRIVE\n\n" |
Bill Richardson | f1372d9 | 2010-06-11 09:15:55 -0700 | [diff] [blame] | 46 | "Supported COMMANDs:\n\n", |
| 47 | progname); |
| 48 | |
| 49 | for (i = 0; i < sizeof(cmds)/sizeof(cmds[0]); ++i) { |
Bill Richardson | 3430b32 | 2010-11-29 14:24:51 -0800 | [diff] [blame] | 50 | printf(" %-15s %s\n", cmds[i].name, cmds[i].comment); |
Bill Richardson | f1372d9 | 2010-06-11 09:15:55 -0700 | [diff] [blame] | 51 | } |
| 52 | printf("\nFor more detailed usage, use %s COMMAND -h\n\n", progname); |
| 53 | } |
| 54 | |
Bill Richardson | f1372d9 | 2010-06-11 09:15:55 -0700 | [diff] [blame] | 55 | int main(int argc, char *argv[]) { |
| 56 | int i; |
Bill Richardson | 3430b32 | 2010-11-29 14:24:51 -0800 | [diff] [blame] | 57 | int match_count = 0; |
| 58 | int match_index = 0; |
Bill Richardson | 4cb5497 | 2014-06-20 14:33:00 -0700 | [diff] [blame] | 59 | char* command; |
Jay Srinivasan | 5fac757 | 2012-02-23 10:59:01 -0800 | [diff] [blame] | 60 | |
Bill Richardson | f1372d9 | 2010-06-11 09:15:55 -0700 | [diff] [blame] | 61 | progname = strrchr(argv[0], '/'); |
| 62 | if (progname) |
| 63 | progname++; |
| 64 | else |
| 65 | progname = argv[0]; |
| 66 | |
| 67 | if (argc < 2) { |
| 68 | Usage(); |
| 69 | return CGPT_FAILED; |
| 70 | } |
| 71 | |
| 72 | // increment optind now, so that getopt skips argv[0] in command function |
| 73 | command = argv[optind++]; |
| 74 | |
| 75 | // Find the command to invoke. |
| 76 | for (i = 0; command && i < sizeof(cmds)/sizeof(cmds[0]); ++i) { |
Bill Richardson | 3430b32 | 2010-11-29 14:24:51 -0800 | [diff] [blame] | 77 | // exact match? |
Bill Richardson | f1372d9 | 2010-06-11 09:15:55 -0700 | [diff] [blame] | 78 | if (0 == strcmp(cmds[i].name, command)) { |
Bill Richardson | 3430b32 | 2010-11-29 14:24:51 -0800 | [diff] [blame] | 79 | match_index = i; |
| 80 | match_count = 1; |
| 81 | break; |
| 82 | } |
| 83 | // unique match? |
| 84 | else if (0 == strncmp(cmds[i].name, command, strlen(command))) { |
| 85 | match_index = i; |
| 86 | match_count++; |
Bill Richardson | f1372d9 | 2010-06-11 09:15:55 -0700 | [diff] [blame] | 87 | } |
| 88 | } |
| 89 | |
Bill Richardson | 3430b32 | 2010-11-29 14:24:51 -0800 | [diff] [blame] | 90 | if (match_count == 1) |
| 91 | return cmds[match_index].fp(argc, argv); |
| 92 | |
| 93 | // Couldn't find a single matching command. |
Bill Richardson | f1372d9 | 2010-06-11 09:15:55 -0700 | [diff] [blame] | 94 | Usage(); |
| 95 | |
| 96 | return CGPT_FAILED; |
| 97 | } |