1 /* 2 * This file and its contents are supplied under the terms of the 3 * Common Development and Distribution License ("CDDL"), version 1.0. 4 * You may only use this file in accordance with the terms of version 5 * 1.0 of the CDDL. 6 * 7 * A full copy of the text of the CDDL should have accompanied this 8 * source. A copy of the CDDL is also available via the Internet at 9 * http://www.illumos.org/license/CDDL. 10 */ 11 12 /* 13 * Copyright 2015 Nexenta Systems, Inc. All rights reserved. 14 */ 15 16 #include <stdio.h> 17 #include <stdlib.h> 18 #include <libgen.h> 19 #include <uuid/uuid.h> 20 #include <getopt.h> 21 #include <locale.h> 22 23 static char *progname; 24 static int rflag, tflag; 25 static char uu_string[UUID_PRINTABLE_STRING_LENGTH]; 26 27 static void 28 usage(void) 29 { 30 (void) fprintf(stderr, gettext( 31 "Usage: %s [-r | -t] [-o filename]\n"), progname); 32 exit(1); 33 } 34 35 int 36 main(int argc, char *argv[]) 37 { 38 FILE *out; 39 uuid_t uu = { 0 }; 40 int c; 41 42 (void) setlocale(LC_ALL, ""); 43 44 #if !defined(TEXT_DOMAIN) 45 #define TEXT_DOMAIN "SYS_TEST" 46 #endif 47 (void) textdomain(TEXT_DOMAIN); 48 49 progname = basename(argv[0]); 50 out = stdout; 51 while ((c = getopt(argc, argv, ":rto:")) != EOF) { 52 switch ((char)c) { 53 case 'r': 54 rflag++; 55 break; 56 case 't': 57 tflag++; 58 break; 59 case 'o': 60 if ((out = fopen(optarg, "w")) == NULL) { 61 (void) fprintf(stderr, gettext( 62 "%s: cannot open %s\n"), 63 progname, optarg); 64 return (1); 65 } 66 break; 67 case '?': /* fallthrough */ 68 default: 69 usage(); 70 } 71 } 72 73 if ((rflag && tflag) || optind != argc) { 74 usage(); 75 } 76 77 if (rflag) { 78 /* DCE version 4 */ 79 uuid_generate_random(uu); 80 } else if (tflag) { 81 /* DCE version 1 */ 82 uuid_generate_time(uu); 83 } else { 84 uuid_generate(uu); 85 } 86 87 if (uuid_is_null(uu) != 0) { 88 (void) fprintf(stderr, gettext( 89 "%s: failed to " 90 "generate uuid\n"), progname); 91 exit(1); 92 } 93 94 uuid_unparse(uu, uu_string); 95 96 (void) fprintf(out, "%s\n", uu_string); 97 98 if (out != NULL && out != stdout) 99 (void) fclose(out); 100 101 return (0); 102 } 103