mirror of git://git.zx2c4.com/wireguard-tools
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2015-2020 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
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*/
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struct def {
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const char *name;
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unsigned long offset;
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unsigned long indirection_offset;
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};
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extern const struct def defs[];
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#ifdef __KERNEL__
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#include "../drivers/net/wireguard/noise.h"
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const struct def defs[] = {
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{ "LOCAL_STATIC_PRIVATE_KEY", offsetof(struct noise_static_identity, static_private), offsetof(struct noise_handshake, static_identity) },
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{ "LOCAL_EPHEMERAL_PRIVATE_KEY", offsetof(struct noise_handshake, ephemeral_private), -1 },
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{ "REMOTE_STATIC_PUBLIC_KEY", offsetof(struct noise_handshake, remote_static), -1 },
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{ "PRESHARED_KEY", offsetof(struct noise_handshake, preshared_key), -1 },
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{ NULL, 0 }
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};
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#else
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#include <stdio.h>
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int main(int argc, char *argv[])
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{
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puts("declare -A OFFSETS=(");
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for (const struct def *def = defs; def->name; ++def) {
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printf("\t[%s]=%ld", def->name, def->offset);
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if (def->indirection_offset != -1)
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printf(",%ld", def->indirection_offset);
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putchar('\n');
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}
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puts(")");
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#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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puts("ENDIAN=big");
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#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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puts("ENDIAN=little");
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#else
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#error "Unsupported endianness"
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#endif
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return 0;
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}
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#endif
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