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