Esempio n. 1
0
int apply_rule (char *rule, int rule_len, char in[BLOCK_SIZE], int in_len, char out[BLOCK_SIZE])
{
    char mem[BLOCK_SIZE];

    if (in == NULL) return (RULE_RC_REJECT_ERROR);

    if (out == NULL) return (RULE_RC_REJECT_ERROR);

    if (in_len < 1) return (RULE_RC_REJECT_ERROR);

    if (rule_len < 1) return (RULE_RC_REJECT_ERROR);

    int out_len = in_len;
    int mem_len = in_len;

    memcpy (out, in, out_len);

    int rule_pos;

    for (rule_pos = 0; rule_pos < rule_len; rule_pos++)
    {
        int upos;
        int upos2;
        int ulen;

        switch (rule[rule_pos])
        {
        case ' ':
            break;

        case RULE_OP_MANGLE_NOOP:
            break;

        case RULE_OP_MANGLE_LREST:
            out_len = mangle_lrest (out, out_len);
            break;

        case RULE_OP_MANGLE_UREST:
            out_len = mangle_urest (out, out_len);
            break;

        case RULE_OP_MANGLE_LREST_UFIRST:
            out_len = mangle_lrest (out, out_len);
            if (out_len) MANGLE_UPPER_AT (out, 0);
            break;

        case RULE_OP_MANGLE_UREST_LFIRST:
            out_len = mangle_urest (out, out_len);
            if (out_len) MANGLE_LOWER_AT (out, 0);
            break;

        case RULE_OP_MANGLE_TREST:
            out_len = mangle_trest (out, out_len);
            break;

        case RULE_OP_MANGLE_TOGGLE_AT:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            if (upos < out_len) MANGLE_TOGGLE_AT (out, upos);
            break;

        case RULE_OP_MANGLE_REVERSE:
            out_len = mangle_reverse (out, out_len);
            break;

        case RULE_OP_MANGLE_DUPEWORD:
            out_len = mangle_double (out, out_len);
            break;

        case RULE_OP_MANGLE_DUPEWORD_TIMES:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, ulen);
            out_len = mangle_double_times (out, out_len, ulen);
            break;

        case RULE_OP_MANGLE_REFLECT:
            out_len = mangle_reflect (out, out_len);
            break;

        case RULE_OP_MANGLE_ROTATE_LEFT:
            mangle_rotate_left (out, out_len);
            break;

        case RULE_OP_MANGLE_ROTATE_RIGHT:
            mangle_rotate_right (out, out_len);
            break;

        case RULE_OP_MANGLE_APPEND:
            NEXT_RULEPOS (rule_pos);
            out_len = mangle_append (out, out_len, rule[rule_pos]);
            break;

        case RULE_OP_MANGLE_PREPEND:
            NEXT_RULEPOS (rule_pos);
            out_len = mangle_prepend (out, out_len, rule[rule_pos]);
            break;

        case RULE_OP_MANGLE_DELETE_FIRST:
            out_len = mangle_delete_at (out, out_len, 0);
            break;

        case RULE_OP_MANGLE_DELETE_LAST:
            out_len = mangle_delete_at (out, out_len, (out_len) ? out_len - 1 : 0);
            break;

        case RULE_OP_MANGLE_DELETE_AT:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            out_len = mangle_delete_at (out, out_len, upos);
            break;

        case RULE_OP_MANGLE_EXTRACT:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, ulen);
            out_len = mangle_extract (out, out_len, upos, ulen);
            break;

        case RULE_OP_MANGLE_OMIT:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, ulen);
            out_len = mangle_omit (out, out_len, upos, ulen);
            break;

        case RULE_OP_MANGLE_INSERT:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            NEXT_RULEPOS (rule_pos);
            out_len = mangle_insert (out, out_len, upos, rule[rule_pos]);
            break;

        case RULE_OP_MANGLE_OVERSTRIKE:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            NEXT_RULEPOS (rule_pos);
            out_len = mangle_overstrike (out, out_len, upos, rule[rule_pos]);
            break;

        case RULE_OP_MANGLE_TRUNCATE_AT:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            out_len = mangle_truncate_at (out, out_len, upos);
            break;

        case RULE_OP_MANGLE_REPLACE:
            NEXT_RULEPOS (rule_pos);
            NEXT_RULEPOS (rule_pos);
            out_len = mangle_replace (out, out_len, rule[rule_pos - 1], rule[rule_pos]);
            break;

        case RULE_OP_MANGLE_PURGECHAR:
            NEXT_RULEPOS (rule_pos);
            out_len = mangle_purgechar (out, out_len, rule[rule_pos]);
            break;

        case RULE_OP_MANGLE_TOGGLECASE_REC:
            /* todo */
            break;

        case RULE_OP_MANGLE_DUPECHAR_FIRST:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, ulen);
            out_len = mangle_dupechar_at (out, out_len, 0, ulen);
            break;

        case RULE_OP_MANGLE_DUPECHAR_LAST:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, ulen);
            out_len = mangle_dupechar_at (out, out_len, out_len - 1, ulen);
            break;

        case RULE_OP_MANGLE_DUPECHAR_ALL:
            out_len = mangle_dupechar (out, out_len);
            break;

        case RULE_OP_MANGLE_DUPEBLOCK_FIRST:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, ulen);
            out_len = mangle_dupeblock_prepend (out, out_len, ulen);
            break;

        case RULE_OP_MANGLE_DUPEBLOCK_LAST:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, ulen);
            out_len = mangle_dupeblock_append (out, out_len, ulen);
            break;

        case RULE_OP_MANGLE_SWITCH_FIRST:
            if (out_len >= 2) mangle_switch_at (out, out_len, 0, 1);
            break;

        case RULE_OP_MANGLE_SWITCH_LAST:
            if (out_len >= 2) mangle_switch_at (out, out_len, out_len - 1, out_len - 2);
            break;

        case RULE_OP_MANGLE_SWITCH_AT:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos2);
            out_len = mangle_switch_at_check (out, out_len, upos, upos2);
            break;

        case RULE_OP_MANGLE_CHR_SHIFTL:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            mangle_chr_shiftl ((uint8_t *) out, out_len, upos);
            break;

        case RULE_OP_MANGLE_CHR_SHIFTR:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            mangle_chr_shiftr ((uint8_t *) out, out_len, upos);
            break;

        case RULE_OP_MANGLE_CHR_INCR:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            mangle_chr_incr ((uint8_t *) out, out_len, upos);
            break;

        case RULE_OP_MANGLE_CHR_DECR:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            mangle_chr_decr ((uint8_t *) out, out_len, upos);
            break;

        case RULE_OP_MANGLE_REPLACE_NP1:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            if ((upos >= 0) && ((upos + 1) < out_len)) mangle_overstrike (out, out_len, upos, out[upos + 1]);
            break;

        case RULE_OP_MANGLE_REPLACE_NM1:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            if ((upos >= 1) && ((upos + 0) < out_len)) mangle_overstrike (out, out_len, upos, out[upos - 1]);
            break;

        case RULE_OP_MANGLE_TITLE:
            out_len = mangle_title (out, out_len);
            break;

        case RULE_OP_MANGLE_EXTRACT_MEMORY:
            if (mem_len < 1) return (RULE_RC_REJECT_ERROR);
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, ulen);
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos2);
            if ((out_len = mangle_insert_multi (out, out_len, upos2, mem, mem_len, upos, ulen)) < 1) return (out_len);
            break;

        case RULE_OP_MANGLE_APPEND_MEMORY:
            if (mem_len < 1) return (RULE_RC_REJECT_ERROR);
            if ((out_len + mem_len) > BLOCK_SIZE) return (RULE_RC_REJECT_ERROR);
            memcpy (out + out_len, mem, mem_len);
            out_len += mem_len;
            break;

        case RULE_OP_MANGLE_PREPEND_MEMORY:
            if (mem_len < 1) return (RULE_RC_REJECT_ERROR);
            if ((mem_len + out_len) > BLOCK_SIZE) return (RULE_RC_REJECT_ERROR);
            memcpy (mem + mem_len, out, out_len);
            out_len += mem_len;
            memcpy (out, mem, out_len);
            break;

        case RULE_OP_MEMORIZE_WORD:
            memcpy (mem, out, out_len);
            mem_len = out_len;
            break;

        case RULE_OP_REJECT_LESS:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            if (out_len > upos) return (RULE_RC_REJECT_ERROR);
            break;

        case RULE_OP_REJECT_GREATER:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            if (out_len < upos) return (RULE_RC_REJECT_ERROR);
            break;

        case RULE_OP_REJECT_CONTAIN:
            NEXT_RULEPOS (rule_pos);
            if (strchr (out, rule[rule_pos]) != NULL) return (RULE_RC_REJECT_ERROR);
            break;

        case RULE_OP_REJECT_NOT_CONTAIN:
            NEXT_RULEPOS (rule_pos);
            if (strchr (out, rule[rule_pos]) == NULL) return (RULE_RC_REJECT_ERROR);
            break;

        case RULE_OP_REJECT_EQUAL_FIRST:
            NEXT_RULEPOS (rule_pos);
            if (out[0] != rule[rule_pos]) return (RULE_RC_REJECT_ERROR);
            break;

        case RULE_OP_REJECT_EQUAL_LAST:
            NEXT_RULEPOS (rule_pos);
            if (out[out_len - 1] != rule[rule_pos]) return (RULE_RC_REJECT_ERROR);
            break;

        case RULE_OP_REJECT_EQUAL_AT:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            if ((upos + 1) > out_len) return (RULE_RC_REJECT_ERROR);
            NEXT_RULEPOS (rule_pos);
            if (out[upos] != rule[rule_pos]) return (RULE_RC_REJECT_ERROR);
            break;

        case RULE_OP_REJECT_CONTAINS:
            NEXT_RULEPOS (rule_pos);
            NEXT_RPTOI (rule, rule_pos, upos);
            if ((upos + 1) > out_len) return (RULE_RC_REJECT_ERROR);
            NEXT_RULEPOS (rule_pos);
            int c;
            int cnt;
            for (c = 0, cnt = 0; c < out_len; c++) if (out[c] == rule[rule_pos]) cnt++;
            if (cnt < upos) return (RULE_RC_REJECT_ERROR);
            break;

        case RULE_OP_REJECT_MEMORY:
            if ((out_len == mem_len) && (memcmp (out, mem, out_len) == 0)) return (RULE_RC_REJECT_ERROR);
            break;

        default:
            return (RULE_RC_SYNTAX_ERROR);
            break;
        }
    }

    memset (out + out_len, 0, BLOCK_SIZE - out_len);

    return (out_len);
}
Esempio n. 2
0
int _old_apply_rule (const char *rule, int rule_len, char in[RP_PASSWORD_SIZE], int in_len, char out[RP_PASSWORD_SIZE])
{
  char mem[RP_PASSWORD_SIZE] = { 0 };

  int pos_mem = -1;

  if (in == NULL) return (RULE_RC_REJECT_ERROR);

  if (out == NULL) return (RULE_RC_REJECT_ERROR);

  if (in_len < 0 || in_len > RP_PASSWORD_SIZE) return (RULE_RC_REJECT_ERROR);

  if (rule_len < 1) return (RULE_RC_REJECT_ERROR);

  int out_len = in_len;
  int mem_len = in_len;

  memcpy (out, in, out_len);

  char *rule_new = (char *) hcmalloc (rule_len);

  int rule_len_new = 0;

  int rule_pos;

  for (rule_pos = 0; rule_pos < rule_len; rule_pos++)
  {
    if (is_hex_notation (rule, rule_len, rule_pos))
    {
      const u8 c = hex_to_u8 (&rule[rule_pos + 2]);

      rule_pos += 3;

      rule_new[rule_len_new] = c;

      rule_len_new++;
    }
    else
    {
      rule_new[rule_len_new] = rule[rule_pos];

      rule_len_new++;
    }
  }

  for (rule_pos = 0; rule_pos < rule_len_new; rule_pos++)
  {
    int upos, upos2;
    int ulen;

    switch (rule_new[rule_pos])
    {
      case ' ':
        break;

      case RULE_OP_MANGLE_NOOP:
        break;

      case RULE_OP_MANGLE_LREST:
        out_len = mangle_lrest (out, out_len);
        break;

      case RULE_OP_MANGLE_UREST:
        out_len = mangle_urest (out, out_len);
        break;

      case RULE_OP_MANGLE_LREST_UFIRST:
        out_len = mangle_lrest (out, out_len);
        if (out_len) MANGLE_UPPER_AT (out, 0);
        break;

      case RULE_OP_MANGLE_UREST_LFIRST:
        out_len = mangle_urest (out, out_len);
        if (out_len) MANGLE_LOWER_AT (out, 0);
        break;

      case RULE_OP_MANGLE_TREST:
        out_len = mangle_trest (out, out_len);
        break;

      case RULE_OP_MANGLE_TOGGLE_AT:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        if (upos < out_len) MANGLE_TOGGLE_AT (out, upos);
        break;

      case RULE_OP_MANGLE_REVERSE:
        out_len = mangle_reverse (out, out_len);
        break;

      case RULE_OP_MANGLE_DUPEWORD:
        out_len = mangle_double (out, out_len);
        break;

      case RULE_OP_MANGLE_DUPEWORD_TIMES:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, ulen);
        out_len = mangle_double_times (out, out_len, ulen);
        break;

      case RULE_OP_MANGLE_REFLECT:
        out_len = mangle_reflect (out, out_len);
        break;

      case RULE_OP_MANGLE_ROTATE_LEFT:
        mangle_rotate_left (out, out_len);
        break;

      case RULE_OP_MANGLE_ROTATE_RIGHT:
        mangle_rotate_right (out, out_len);
        break;

      case RULE_OP_MANGLE_APPEND:
        NEXT_RULEPOS (rule_pos);
        out_len = mangle_append (out, out_len, rule_new[rule_pos]);
        break;

      case RULE_OP_MANGLE_PREPEND:
        NEXT_RULEPOS (rule_pos);
        out_len = mangle_prepend (out, out_len, rule_new[rule_pos]);
        break;

      case RULE_OP_MANGLE_DELETE_FIRST:
        out_len = mangle_delete_at (out, out_len, 0);
        break;

      case RULE_OP_MANGLE_DELETE_LAST:
        out_len = mangle_delete_at (out, out_len, (out_len) ? out_len - 1 : 0);
        break;

      case RULE_OP_MANGLE_DELETE_AT:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        out_len = mangle_delete_at (out, out_len, upos);
        break;

      case RULE_OP_MANGLE_EXTRACT:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, ulen);
        out_len = mangle_extract (out, out_len, upos, ulen);
        break;

      case RULE_OP_MANGLE_OMIT:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, ulen);
        out_len = mangle_omit (out, out_len, upos, ulen);
        break;

      case RULE_OP_MANGLE_INSERT:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        NEXT_RULEPOS (rule_pos);
        out_len = mangle_insert (out, out_len, upos, rule_new[rule_pos]);
        break;

      case RULE_OP_MANGLE_OVERSTRIKE:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        NEXT_RULEPOS (rule_pos);
        out_len = mangle_overstrike (out, out_len, upos, rule_new[rule_pos]);
        break;

      case RULE_OP_MANGLE_TRUNCATE_AT:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        out_len = mangle_truncate_at (out, out_len, upos);
        break;

      case RULE_OP_MANGLE_REPLACE:
        NEXT_RULEPOS (rule_pos);
        NEXT_RULEPOS (rule_pos);
        out_len = mangle_replace (out, out_len, rule_new[rule_pos - 1], rule_new[rule_pos]);
        break;

      case RULE_OP_MANGLE_PURGECHAR:
        NEXT_RULEPOS (rule_pos);
        out_len = mangle_purgechar (out, out_len, rule_new[rule_pos]);
        break;

      case RULE_OP_MANGLE_TOGGLECASE_REC:
        /* todo */
        break;

      case RULE_OP_MANGLE_DUPECHAR_FIRST:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, ulen);
        out_len = mangle_dupechar_at (out, out_len, 0, ulen);
        break;

      case RULE_OP_MANGLE_DUPECHAR_LAST:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, ulen);
        out_len = mangle_dupechar_at (out, out_len, out_len - 1, ulen);
        break;

      case RULE_OP_MANGLE_DUPECHAR_ALL:
        out_len = mangle_dupechar (out, out_len);
        break;

      case RULE_OP_MANGLE_DUPEBLOCK_FIRST:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, ulen);
        out_len = mangle_dupeblock_prepend (out, out_len, ulen);
        break;

      case RULE_OP_MANGLE_DUPEBLOCK_LAST:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, ulen);
        out_len = mangle_dupeblock_append (out, out_len, ulen);
        break;

      case RULE_OP_MANGLE_SWITCH_FIRST:
        if (out_len >= 2) mangle_switch_at (out, out_len, 0, 1);
        break;

      case RULE_OP_MANGLE_SWITCH_LAST:
        if (out_len >= 2) mangle_switch_at (out, out_len, out_len - 1, out_len - 2);
        break;

      case RULE_OP_MANGLE_SWITCH_AT:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos2);
        out_len = mangle_switch_at_check (out, out_len, upos, upos2);
        break;

      case RULE_OP_MANGLE_CHR_SHIFTL:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        mangle_chr_shiftl (out, out_len, upos);
        break;

      case RULE_OP_MANGLE_CHR_SHIFTR:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        mangle_chr_shiftr (out, out_len, upos);
        break;

      case RULE_OP_MANGLE_CHR_INCR:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        mangle_chr_incr (out, out_len, upos);
        break;

      case RULE_OP_MANGLE_CHR_DECR:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        mangle_chr_decr (out, out_len, upos);
        break;

      case RULE_OP_MANGLE_REPLACE_NP1:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        if ((upos >= 0) && ((upos + 1) < out_len)) mangle_overstrike (out, out_len, upos, out[upos + 1]);
        break;

      case RULE_OP_MANGLE_REPLACE_NM1:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        if ((upos >= 1) && ((upos + 0) < out_len)) mangle_overstrike (out, out_len, upos, out[upos - 1]);
        break;

      case RULE_OP_MANGLE_TITLE_SEP:
        NEXT_RULEPOS (rule_pos);
        out_len = mangle_title_sep (out, out_len, rule_new[rule_pos]);
        break;

      case RULE_OP_MANGLE_TITLE:
        out_len = mangle_title_sep (out, out_len, ' ');
        break;

      case RULE_OP_MANGLE_EXTRACT_MEMORY:
        if (mem_len < 1) return (RULE_RC_REJECT_ERROR);
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, ulen);
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos2);
        if ((out_len = mangle_insert_multi (out, out_len, upos2, mem, mem_len, upos, ulen)) < 1) return (out_len);
        break;

      case RULE_OP_MANGLE_APPEND_MEMORY:
        if (mem_len < 1) return (RULE_RC_REJECT_ERROR);
        if ((out_len + mem_len) >= RP_PASSWORD_SIZE) return (RULE_RC_REJECT_ERROR);
        memcpy (out + out_len, mem, mem_len);
        out_len += mem_len;
        break;

      case RULE_OP_MANGLE_PREPEND_MEMORY:
        if (mem_len < 1) return (RULE_RC_REJECT_ERROR);
        if ((mem_len + out_len) >= RP_PASSWORD_SIZE) return (RULE_RC_REJECT_ERROR);
        memcpy (mem + mem_len, out, out_len);
        out_len += mem_len;
        memcpy (out, mem, out_len);
        break;

      case RULE_OP_MEMORIZE_WORD:
        memcpy (mem, out, out_len);
        mem_len = out_len;
        break;

      case RULE_OP_REJECT_LESS:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        if (out_len > upos) return (RULE_RC_REJECT_ERROR);
        break;

      case RULE_OP_REJECT_GREATER:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        if (out_len < upos) return (RULE_RC_REJECT_ERROR);
        break;

      case RULE_OP_REJECT_EQUAL:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        if (out_len != upos) return (RULE_RC_REJECT_ERROR);
        break;

      case RULE_OP_REJECT_CONTAIN:
        NEXT_RULEPOS (rule_pos);
        if (strchr (out, rule_new[rule_pos]) != NULL) return (RULE_RC_REJECT_ERROR);
        break;

      case RULE_OP_REJECT_NOT_CONTAIN:
        NEXT_RULEPOS (rule_pos);
        char *match = strchr (out, rule_new[rule_pos]);
        if (match != NULL)
        {
          pos_mem = (int)(match - out);
        }
        else
        {
          return (RULE_RC_REJECT_ERROR);
        }
        break;

      case RULE_OP_REJECT_EQUAL_FIRST:
        NEXT_RULEPOS (rule_pos);
        if (out[0] != rule_new[rule_pos]) return (RULE_RC_REJECT_ERROR);
        break;

      case RULE_OP_REJECT_EQUAL_LAST:
        NEXT_RULEPOS (rule_pos);
        if (out[out_len - 1] != rule_new[rule_pos]) return (RULE_RC_REJECT_ERROR);
        break;

      case RULE_OP_REJECT_EQUAL_AT:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        if ((upos + 1) > out_len) return (RULE_RC_REJECT_ERROR);
        NEXT_RULEPOS (rule_pos);
        if (out[upos] != rule_new[rule_pos]) return (RULE_RC_REJECT_ERROR);
        break;

      case RULE_OP_REJECT_CONTAINS:
        NEXT_RULEPOS (rule_pos);
        NEXT_RPTOI (rule, rule_pos, upos);
        if ((upos + 1) > out_len) return (RULE_RC_REJECT_ERROR);
        NEXT_RULEPOS (rule_pos);
        int c; int cnt;
        for (c = 0, cnt = 0; c < out_len && cnt < upos; c++)
        {
          if (out[c] == rule_new[rule_pos])
          {
            cnt++;
            pos_mem = c;
          }
        }

        if (cnt < upos) return (RULE_RC_REJECT_ERROR);
        break;

      case RULE_OP_REJECT_MEMORY:
        if ((out_len == mem_len) && (memcmp (out, mem, out_len) == 0)) return (RULE_RC_REJECT_ERROR);
        break;

      default:
        return (RULE_RC_SYNTAX_ERROR);
    }
  }

  memset (out + out_len, 0, RP_PASSWORD_SIZE - out_len);

  hcfree (rule_new);

  return (out_len);
}