119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * uuid_time.c --- Interpret the time field from a uuid. This program 319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * violates the UUID abstraction barrier by reaching into the guts 419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * of a UUID and interpreting it. 53984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * 619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Copyright (C) 1998, 1999 Theodore Ts'o. 719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * 819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * %Begin-Header% 919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Redistribution and use in source and binary forms, with or without 1019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * modification, are permitted provided that the following conditions 1119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * are met: 1219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 1319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * notice, and the entire permission notice in its entirety, 1419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * including the disclaimer of warranties. 1519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 1619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 1719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * documentation and/or other materials provided with the distribution. 1819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * 3. The name of the author may not be used to endorse or promote 1919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * products derived from this software without specific prior 2019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * written permission. 213984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * 2219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 2319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 2419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF 2519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE 2619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 2819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 2919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 3019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 3219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH 3319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * DAMAGE. 3419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * %End-Header% 3519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 3619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 373984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#ifdef _WIN32 383984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#define _WIN32_WINNT 0x0500 393984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#include <windows.h> 403984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#define UUID MYUUID 413984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#endif 423984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 4319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <stdio.h> 443984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#ifdef HAVE_UNISTD_H 4519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <unistd.h> 463984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#endif 4719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <stdlib.h> 4819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <sys/types.h> 493984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#ifdef HAVE_SYS_TIME_H 5019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <sys/time.h> 513984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#endif 5219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <time.h> 5319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 5419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include "uuidP.h" 5519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 5619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projecttime_t uuid_time(const uuid_t uu, struct timeval *ret_tv) 5719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 5819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct timeval tv; 593984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt struct uuid uuid; 603984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt uint32_t high; 613984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt uint64_t clock_reg; 6219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 6319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project uuid_unpack(uu, &uuid); 643984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 6519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project high = uuid.time_mid | ((uuid.time_hi_and_version & 0xFFF) << 16); 663984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt clock_reg = uuid.time_low | ((uint64_t) high << 32); 6719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 683984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt clock_reg -= (((uint64_t) 0x01B21DD2) << 32) + 0x13814000; 6919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project tv.tv_sec = clock_reg / 10000000; 7019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project tv.tv_usec = (clock_reg % 10000000) / 10; 7119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 7219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ret_tv) 7319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project *ret_tv = tv; 7419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 7519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return tv.tv_sec; 7619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 7719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 7819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectint uuid_type(const uuid_t uu) 7919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 8019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct uuid uuid; 8119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 823984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt uuid_unpack(uu, &uuid); 8319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return ((uuid.time_hi_and_version >> 12) & 0xF); 8419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 8519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 8619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectint uuid_variant(const uuid_t uu) 8719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 8819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct uuid uuid; 8919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int var; 9019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 913984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt uuid_unpack(uu, &uuid); 9219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project var = uuid.clock_seq; 9319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 9419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if ((var & 0x8000) == 0) 9519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return UUID_VARIANT_NCS; 9619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if ((var & 0x4000) == 0) 9719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return UUID_VARIANT_DCE; 9819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if ((var & 0x2000) == 0) 9919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return UUID_VARIANT_MICROSOFT; 10019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return UUID_VARIANT_OTHER; 10119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 10219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 10319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#ifdef DEBUG 10419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic const char *variant_string(int variant) 10519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 10619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project switch (variant) { 10719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project case UUID_VARIANT_NCS: 10819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return "NCS"; 10919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project case UUID_VARIANT_DCE: 11019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return "DCE"; 11119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project case UUID_VARIANT_MICROSOFT: 11219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return "Microsoft"; 11319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project default: 11419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return "Other"; 11519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 11619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 11719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 1183984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 11919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectint 12019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectmain(int argc, char **argv) 12119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 12219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project uuid_t buf; 12319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project time_t time_reg; 12419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct timeval tv; 12519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int type, variant; 12619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 12719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (argc != 2) { 12819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fprintf(stderr, "Usage: %s uuid\n", argv[0]); 12919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 13019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 13119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (uuid_parse(argv[1], buf)) { 13219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fprintf(stderr, "Invalid UUID: %s\n", argv[1]); 13319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project exit(1); 13419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 13519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project variant = uuid_variant(buf); 13619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project type = uuid_type(buf); 13719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project time_reg = uuid_time(buf, &tv); 13819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 13919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project printf("UUID variant is %d (%s)\n", variant, variant_string(variant)); 14019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (variant != UUID_VARIANT_DCE) { 14119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project printf("Warning: This program only knows how to interpret " 14219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project "DCE UUIDs.\n\tThe rest of the output is likely " 14319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project "to be incorrect!!\n"); 14419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 14519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project printf("UUID type is %d", type); 14619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project switch (type) { 14719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project case 1: 14819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project printf(" (time based)\n"); 14919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project break; 15019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project case 2: 15119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project printf(" (DCE)\n"); 15219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project break; 15319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project case 3: 15419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project printf(" (name-based)\n"); 15519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project break; 15619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project case 4: 15719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project printf(" (random)\n"); 15819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project break; 15919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project default: 16019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project printf("\n"); 16119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 16219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (type != 1) { 16319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project printf("Warning: not a time-based UUID, so UUID time " 16419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project "decoding will likely not work!\n"); 16519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 16619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project printf("UUID time is: (%ld, %ld): %s\n", tv.tv_sec, tv.tv_usec, 16719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ctime(&time_reg)); 1683984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 16919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 17019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 17119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#endif 172