72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
/* Copyright (c) 2015 Ryan Castellucci, All Rights Reserved */
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#include <time.h>
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#include <unistd.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <signal.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <arpa/inet.h> /* for ntohl/htonl */
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#include <sys/time.h>
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#include <sys/wait.h>
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#include <sys/types.h>
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#include "hex.h"
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#include "bloom.h"
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#include "mmapf.h"
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#include "hash160.h"
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#include "hsearchf.h"
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int main(int argc, char **argv) {
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int ret;
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hash160_t hash;
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char *line = NULL;
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size_t line_sz = 0;
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unsigned char buf[128];
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unsigned char *bloom, *bloomfile, *hashfile;
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FILE *ifile = stdin, *ofile = stdout, *hfile = NULL;
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mmapf_ctx bloom_mmapf;
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if (argc < 2 || argc > 3) {
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fprintf(stderr, "Usage: %s BLOOM_FILTER_FILE HASH_FILE\n", argv[0]);
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return 1;
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}
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bloomfile = argv[1];
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if ((ret = mmapf(&bloom_mmapf, bloomfile, BLOOM_SIZE, MMAPF_RNDRD)) != MMAPF_OKAY) {
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fprintf(stderr, "failed to open bloom filter '%s': %s\n", bloomfile, mmapf_strerror(ret));
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return 1;
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} else if (bloom_mmapf.mem == NULL) {
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fprintf(stderr, "got NULL pointer trying to set up bloom filter\n");
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return 1;
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}
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bloom = bloom_mmapf.mem;
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if (argc == 3) {
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hashfile = argv[2];
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hfile = fopen(hashfile, "r");
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}
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while (getline(&line, &line_sz, ifile) > 0) {
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unhex(line, strlen(line), hash.uc, sizeof(hash.uc));
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if (bloom_chk_hash160(bloom, hash.ul)) {
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if (hfile && !hsearchf(hfile, &hash)) {
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//fprintf(ofile, "%s (false positive)\n", hex(hash.uc, sizeof(hash.uc), buf, sizeof(buf)));
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continue;
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}
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//fprintf(ofile, "%s\n", hex(hash.uc, sizeof(hash.uc), buf, sizeof(buf)));
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fprintf(ofile, "%s", line);
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}
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}
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return 0;
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}
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/* vim: set ts=2 sw=2 et ai si: */
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