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50 lines
1.5 KiB
50 lines
1.5 KiB
#include <stdint.h>
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#include <string.h>
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#include <tests/fuzz/libfuzz.h>
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#include <common/bech32.h>
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void init(int *argc, char ***argv)
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{
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}
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void run(const uint8_t *data, size_t size)
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{
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const char hrp_inv[5] = "lnbc\0", hrp_addr[3] = "bc\0";
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char *bech32_str, *hrp_out, *addr;
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uint8_t *data_out;
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size_t data_out_len;
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int wit_version;
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/* Buffer size is defined in each function's doc comment. */
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bech32_str = malloc(size + strlen(hrp_inv) + 8);
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/* FIXME: needs a dictionary / a startup seed corpus to pass this more
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* frequently. */
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if (bech32_encode(bech32_str, hrp_inv, data, size, size) == 1) {
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hrp_out = malloc(strlen(bech32_str) - 6);
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data_out = malloc(strlen(bech32_str) - 8);
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bech32_decode(hrp_out, data_out, &data_out_len, bech32_str, size);
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free(hrp_out);
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free(data_out);
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}
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free(bech32_str);
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data_out = malloc(size);
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/* This is also used as part of sign and check message. */
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data_out_len = 0;
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bech32_convert_bits(data_out, &data_out_len, 8, data, size, 5, 1);
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data_out_len = 0;
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bech32_convert_bits(data_out, &data_out_len, 8, data, size, 5, 0);
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addr = malloc(73 + strlen(hrp_addr));
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wit_version = 0;
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if (segwit_addr_encode(addr, hrp_addr, wit_version, data, size) == 1)
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segwit_addr_decode(&wit_version, data_out, &data_out_len, hrp_addr, addr);
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wit_version = 1;
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if (segwit_addr_encode(addr, hrp_addr, wit_version, data, size) == 1)
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segwit_addr_decode(&wit_version, data_out, &data_out_len, hrp_addr, addr);
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free(addr);
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free(data_out);
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}
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