static int map_md5(fmap_t *map, const void *data, unsigned int len, uint8_t *md5) {
if(!fmap_need_ptr_once(map, data, len)) {
cli_dbgmsg("map_md5: failed to read hash data\n");
return 1;
}
return (cl_hash_data("md5", data, len, md5, NULL) == NULL);
}
uint32_t uniq_get(struct uniq *U, const char *key, uint32_t key_len, char **rhash) {
uint8_t digest[16];
struct UNIQMD5 *m = NULL;
cl_hash_data("md5", key, key_len, digest, NULL);
if(!U->items || U->md5s[U->idx[*digest]].md5[0]!=*digest)
return 0;
for(m=&U->md5s[U->idx[*digest]]; m; m=m->next) {
if(memcmp(&digest[1], &m->md5[1], 15)) continue;
if(rhash) *rhash = m->name;
return m->count;
}
return 0;
}
uint32_t uniq_add(struct uniq *U, const char *key, uint32_t key_len, char **rhash) {
unsigned int i;
uint8_t digest[16];
struct UNIQMD5 *m = NULL;
cl_hash_data("md5", key, key_len, digest, NULL);
if(U->items && U->md5s[U->idx[*digest]].md5[0]==*digest)
for(m=&U->md5s[U->idx[*digest]]; m; m=m->next)
if(!memcmp(&digest[1], &m->md5[1], 15)) break;
if(!m) {
const char HEX[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
m = &U->md5s[U->items];
m->count = 0;
if(U->items && U->md5s[U->idx[*digest]].md5[0]==*digest)
m->next = &U->md5s[U->idx[*digest]];
else
m->next = NULL;
U->idx[*digest]=U->items;
for(i = 0; i < 16; i++) {
m->name[i*2] = HEX[digest[i]>>4 & 0xf];
m->name[i*2+1] = HEX[digest[i] & 0xf];
m->md5[i] = digest[i];
}
m->name[32] = '\0';
}
U->items++;
if(rhash) *rhash = m->name;
return m->count++;
}