Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 1 | /* |
| 2 | * parse.c --- UUID parsing |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 3 | * |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 4 | * Copyright (C) 1996, 1997 Theodore Ts'o. |
| 5 | * |
| 6 | * %Begin-Header% |
Theodore Ts'o | 1bbfec6 | 2004-03-20 14:02:24 -0500 | [diff] [blame] | 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, and the entire permission notice in its entirety, |
| 12 | * including the disclaimer of warranties. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * 3. The name of the author may not be used to endorse or promote |
| 17 | * products derived from this software without specific prior |
| 18 | * written permission. |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 19 | * |
Theodore Ts'o | 1bbfec6 | 2004-03-20 14:02:24 -0500 | [diff] [blame] | 20 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 21 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 22 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF |
| 23 | * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE |
| 24 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
| 26 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 27 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 28 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
| 30 | * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH |
| 31 | * DAMAGE. |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 32 | * %End-Header% |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 33 | */ |
| 34 | |
Theodore Ts'o | d1154eb | 2011-09-18 17:34:37 -0400 | [diff] [blame] | 35 | #include "config.h" |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 36 | #include <stdlib.h> |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 37 | #include <stdio.h> |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 38 | #include <ctype.h> |
Theodore Ts'o | b1416db | 2001-05-01 15:32:44 +0000 | [diff] [blame] | 39 | #include <string.h> |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 40 | |
| 41 | #include "uuidP.h" |
| 42 | |
Theodore Ts'o | ce2722f | 2001-09-10 20:30:09 -0400 | [diff] [blame] | 43 | int uuid_parse(const char *in, uuid_t uu) |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 44 | { |
Theodore Ts'o | ce2722f | 2001-09-10 20:30:09 -0400 | [diff] [blame] | 45 | struct uuid uuid; |
| 46 | int i; |
| 47 | const char *cp; |
| 48 | char buf[3]; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 49 | |
| 50 | if (strlen(in) != 36) |
| 51 | return -1; |
| 52 | for (i=0, cp = in; i <= 36; i++,cp++) { |
| 53 | if ((i == 8) || (i == 13) || (i == 18) || |
Theodore Ts'o | 8d7f458 | 2002-07-15 23:49:57 -0400 | [diff] [blame] | 54 | (i == 23)) { |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 55 | if (*cp == '-') |
| 56 | continue; |
Theodore Ts'o | 8d7f458 | 2002-07-15 23:49:57 -0400 | [diff] [blame] | 57 | else |
| 58 | return -1; |
| 59 | } |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 60 | if (i== 36) |
| 61 | if (*cp == 0) |
| 62 | continue; |
| 63 | if (!isxdigit(*cp)) |
| 64 | return -1; |
| 65 | } |
| 66 | uuid.time_low = strtoul(in, NULL, 16); |
| 67 | uuid.time_mid = strtoul(in+9, NULL, 16); |
| 68 | uuid.time_hi_and_version = strtoul(in+14, NULL, 16); |
| 69 | uuid.clock_seq = strtoul(in+19, NULL, 16); |
| 70 | cp = in+24; |
| 71 | buf[2] = 0; |
| 72 | for (i=0; i < 6; i++) { |
| 73 | buf[0] = *cp++; |
| 74 | buf[1] = *cp++; |
| 75 | uuid.node[i] = strtoul(buf, NULL, 16); |
| 76 | } |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 77 | |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 78 | uuid_pack(&uuid, uu); |
| 79 | return 0; |
| 80 | } |