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/* $OpenBSD: getpeereid.c,v 1.1 2010/07/01 19:15:30 deraadt Exp $ */ |
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/* |
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* Copyright (c) 2010 Theo de Raadt <deraadt@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 <sys/types.h> |
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#include <sys/socket.h> |
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int |
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getpeereid(int s, uid_t *euid, gid_t *egid) |
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{ |
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struct sockpeercred creds; |
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socklen_t credslen = sizeof(creds); |
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int error; |
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error = getsockopt(s, SOL_SOCKET, SO_PEERCRED, |
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&creds, &credslen); |
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if (error) |
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return (error); |
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*euid = creds.uid; |
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*egid = creds.gid; |
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return (0); |
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} |