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-rw-r--r--fastbootd/other/gptedit.c293
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diff --git a/fastbootd/other/gptedit.c b/fastbootd/other/gptedit.c
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+/*
+ * Copyright (c) 2009-2013, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google, Inc. nor the names of its contributors
+ * may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <unistd.h>
+
+#include <cutils/klog.h>
+
+#include "commands/partitions.h"
+#include "debug.h"
+
+unsigned int debug_level = DEBUG;
+//TODO: add tool to generate config file
+
+void usage() {
+ fprintf(stderr,
+ "usage: test_gpt [ <option> ] <file>\n"
+ "\n"
+ "options:\n"
+ " -p print partitions\n"
+ " -c print config file\n"
+ " -a adds new partition\n"
+ " -d deletes partition (-o needed)\n"
+ "\n"
+ " -n name@startlba,endlba new partition detail\n"
+ " -o old partition name\n"
+ " -t type guid\n"
+ " -g partition guid\n"
+ " -l gpt_location specyfies gpt secto\n"
+ );
+
+}
+
+void printGPT(struct GPT_entry_table *table);
+void addGPT(struct GPT_entry_table *table, const char *arg, const char *guid, const char *tguid);
+void deleteGPT(struct GPT_entry_table *table, const char *name);
+void configPrintGPT(struct GPT_entry_table *table);
+
+int main(int argc, char *argv[]) {
+ int print_cmd = 0;
+ int config_cmd = 0;
+ int add_cmd = 0;
+ int del_cmd = 0;
+ int sync_cmd = 0;
+ int c;
+ const char *new_partition = NULL;
+ const char *old_partition = NULL;
+ const char *type_guid = NULL;
+ const char *partition_guid = NULL;
+ unsigned gpt_location = 1;
+
+ klog_init();
+ klog_set_level(6);
+
+ const struct option longopts[] = {
+ {"print", no_argument, 0, 'p'},
+ {"config-print", no_argument, 0, 'c'},
+ {"add", no_argument, 0, 'a'},
+ {"del", no_argument, 0, 'd'},
+ {"new", required_argument, 0, 'n'},
+ {"old", required_argument, 0, 'o'},
+ {"type", required_argument, 0, 't'},
+ {"sync", required_argument, 0, 's'},
+ {"guid", required_argument, 0, 'g'},
+ {"location", required_argument, 0, 'l'},
+ {0, 0, 0, 0}
+ };
+
+ while (1) {
+ c = getopt_long(argc, argv, "pcadt:g:n:o:sl:", longopts, NULL);
+ /* Alphabetical cases */
+ if (c < 0)
+ break;
+ switch (c) {
+ case 'p':
+ print_cmd = 1;
+ break;
+ case 'c':
+ config_cmd = 1;
+ break;
+ case 'a':
+ add_cmd = 1;
+ break;
+ case 'd':
+ del_cmd = 1;
+ break;
+ case 'n':
+ new_partition = optarg;
+ break;
+ case 'o':
+ old_partition = optarg;
+ break;
+ case 't':
+ type_guid = optarg;
+ case 'g':
+ partition_guid = optarg;
+ break;
+ case 's':
+ sync_cmd = 1;
+ break;
+ case 'l':
+ gpt_location = strtoul(optarg, NULL, 10);
+ fprintf(stderr, "Got offset as %d", gpt_location);
+ break;
+ case '?':
+ return 1;
+ default:
+ abort();
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 1) {
+ usage();
+ return 1;
+ }
+
+ const char *path = argv[0];
+ struct GPT_entry_table *table = GPT_get_device(path, gpt_location);
+ if (table == NULL) {
+ fprintf(stderr, "unable to get GPT table from %s\n", path);
+ return 1;
+ }
+
+ fprintf(stderr, "entries %d, name %s\n", table->header->entries_count, (char *) table->header->signature);
+
+
+ if (add_cmd)
+ addGPT(table, new_partition, partition_guid, type_guid);
+ if (del_cmd)
+ deleteGPT(table, old_partition);
+ if (print_cmd)
+ printGPT(table);
+ if (config_cmd)
+ configPrintGPT(table);
+ if (sync_cmd)
+ GPT_sync(table);
+
+ GPT_release_device(table);
+
+ return 0;
+}
+
+void printGPT(struct GPT_entry_table *table) {
+ struct GPT_entry_raw *entry = table->entries;
+ unsigned n, m;
+ char name[GPT_NAMELEN + 1];
+
+ printf("ptn start block end block name\n");
+ printf("---- ------------- -------------\n");
+
+ for (n = 0; n < table->header->entries_count; n++, entry++) {
+ if (entry->type_guid[0] == 0)
+ continue;
+ for (m = 0; m < GPT_NAMELEN; m++) {
+ name[m] = entry->name[m] & 127;
+ }
+ name[m] = 0;
+ printf("#%03d %13lld %13lld %s\n",
+ n + 1, entry->first_lba, entry->last_lba, name);
+ }
+}
+
+void configPrintGPT(struct GPT_entry_table *table) {
+ struct GPT_entry_raw *entry = table->entries;
+ unsigned n, m;
+ char name[GPT_NAMELEN + 1];
+
+ printf("header_lba %lld\n", table->header->current_lba);
+ printf("backup_lba %lld\n", table->header->backup_lba);
+ printf("first_lba %lld\n", table->header->first_usable_lba);
+ printf("last_lba %lld\n", table->header->last_usable_lba);
+ printf("entries_lba %lld\n", table->header->entries_lba);
+
+ printf("\npartitions {\n");
+
+ for (n = 0; n < table->header->entries_count; n++, entry++) {
+ uint64_t size = entry->last_lba - entry->first_lba + 1;
+
+ if (entry->type_guid[0] == 0)
+ continue;
+ for (m = 0; m < GPT_NAMELEN; m++) {
+ name[m] = entry->name[m] & 127;
+ }
+ name[m] = 0;
+
+ printf(" %s {\n", name);
+ printf(" first_lba %lld\n", entry->first_lba);
+ printf(" partition_size %lld\n", size);
+ if (entry->flags != 0)
+ printf(" flags %lld\n", entry->flags);
+ printf(" }\n\n");
+ }
+ printf("}\n");
+}
+
+void addGPT(struct GPT_entry_table *table, const char *str , const char *guid, const char *tguid) {
+ char *c, *c2;
+ char *arg = malloc(strlen(str));
+ char *name = arg;
+ unsigned start, end;
+ strcpy(arg, str);
+ if (guid == NULL || tguid == NULL) {
+ fprintf(stderr, "Type guid and partion guid needed");
+ free(arg);
+ return;
+ }
+
+ c = strchr(arg, '@');
+
+ if (c == NULL) {
+ fprintf(stderr, "Wrong entry format");
+ free(arg);
+ return;
+ }
+
+ *c++ = '\0';
+
+ c2 = strchr(c, ',');
+
+ if (c2 == NULL) {
+ fprintf(stderr, "Wrong entry format");
+ free(arg);
+ return;
+ }
+
+ start = strtoul(c, NULL, 10);
+ *c2++ = '\0';
+ end = strtoul(c2, NULL, 10);
+
+ struct GPT_entry_raw data;
+ strncpy((char *)data.partition_guid, guid, 15);
+ data.partition_guid[15] = '\0';
+ strncpy((char *)data.type_guid, tguid, 15);
+ data.type_guid[15] = '\0';
+ GPT_to_UTF16(data.name, name, GPT_NAMELEN);
+ data.first_lba = start;
+ data.last_lba = end;
+
+ fprintf(stderr, "Adding (%d,%d) %s as, [%s, %s]", start, end, name, (char *) data.type_guid, (char *) data.partition_guid);
+ GPT_add_entry(table, &data);
+ free(arg);
+}
+
+void deleteGPT(struct GPT_entry_table *table, const char *name) {
+ struct GPT_entry_raw *entry;
+
+ if (name == NULL) {
+ fprintf(stderr, "Need partition name");
+ return;
+ }
+
+ entry = GPT_get_pointer_by_name(table, name);
+
+ if (!entry) {
+ fprintf(stderr, "Unable to find partition: %s", name);
+ return;
+ }
+ GPT_delete_entry(table, entry);
+}
+
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