| 1 | /* Copyright (C) 1998-2024 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library; if not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #include <errno.h> |
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| 19 | #include <unistd.h> |
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| 20 | #include <setxid.h> |
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| 21 | |
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| 22 | |
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| 23 | int |
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| 24 | setegid (gid_t gid) |
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| 25 | { |
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| 26 | int result; |
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| 27 | |
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| 28 | if (gid == (gid_t) ~0) |
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| 29 | return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); |
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| 30 | |
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| 31 | #ifdef __NR_setresgid32 |
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| 32 | result = INLINE_SETXID_SYSCALL (setresgid32, 3, -1, gid, -1); |
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| 33 | #else |
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| 34 | result = INLINE_SETXID_SYSCALL (setresgid, 3, -1, gid, -1); |
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| 35 | #endif |
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| 36 | |
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| 37 | return result; |
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| 38 | } |
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| 39 | #ifndef setegid |
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| 40 | libc_hidden_def (setegid) |
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| 41 | #endif |
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| 42 | |
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