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090dfa40a5
- Create the __inet_ntop_chk routine that verifies that the builtin size of the destination buffer is at least as big as the size given by the user. - Redirect calls from inet_ntop to __inet_ntop_chk or __inet_ntop_warn - Update the abilist for this new routine - Update the manual to mention the new fortification Reviewed-by: Florian Weimer <fweimer@redhat.com>
31 lines
1.0 KiB
C
31 lines
1.0 KiB
C
/* Copyright (C) 2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <arpa/inet.h>
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#include <stdio.h>
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const char *
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__inet_ntop_chk (int af, const void *src, char *dst,
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socklen_t size, size_t dst_size)
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{
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if (size > dst_size)
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__chk_fail ();
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return __inet_ntop (af, src, dst, size);
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}
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libc_hidden_def (__inet_ntop_chk)
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