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/* $OpenBSD: duid.c,v 1.2 2012/07/09 14:26:40 nicm Exp $ */ |
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/* |
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* Copyright (c) 2010 Joel Sing <jsing@openbsd.org> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <string.h> |
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#include "util.h" |
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int |
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isduid(const char *duid, int dflags) |
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{ |
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char c; |
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int i; |
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/* Basic format check. */ |
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if (!((strlen(duid) == 16 && (dflags & OPENDEV_PART)) || |
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(strlen(duid) == 18 && duid[16] == '.'))) |
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return 0; |
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/* Check UID. */ |
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for (i = 0; i < 16; i++) { |
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c = duid[i]; |
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if ((c < '0' || c > '9') && (c < 'a' || c > 'f')) |
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return 0; |
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} |
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return 1; |
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} |