Exemplo n.º 1
0
Arquivo: mrange.c Projeto: JSTLUV/ndt
int mrange_parse(char* text) {
  char tmp[300];
  char* ptr, *sptr;
  Range* mr_ptr = NULL;

  assert(text);

  memset(tmp, 0, 300);
  if (strlen(text) > 299) {
    return 1;
  }
  // strcpy(tmp, text);
  strlcpy(tmp, text, sizeof(tmp));
  // tokenize based on a "," character.
  // An example of the string : 2003:3000,4000:5000
  ptr = strtok(tmp, ",");
  while (ptr != NULL) {  // tokens found
    if ((sptr = strchr(ptr, ':')) != NULL) {  // also found a ":" character,
      // with sptr pointing to its location
      *sptr++ = 0;
      if (strchr(sptr, ':') != NULL) {  // should not find any more range
        return 1;
      }
    } else {
      sptr = ptr;
    }
    if ((mr_ptr = malloc(sizeof(Range))) == NULL) {
      log_println(0, "FATAL: cannot allocate memory");
      return 1;
    }
    if (*ptr == 0) {
      ptr = "1";
    }
    // Check if the input string is within range and store
    // result as "minimum"
    // For ex: Is 2003 in a string like "2003:4000" within integer range ?
    // If not, free the memory allocated to store the range and return
    if (check_rint(ptr, &mr_ptr->min, 1, MAX_TCP_PORT)) {
      free(mr_ptr);
      return 1;
    }
    if (*sptr == 0) {
      sptr = MAX_TCP_PORT_STR;
    }
    // now validate if "maximum" is within range  and store
    // result as "maximum"
    if (check_rint(sptr, &mr_ptr->max, 1, MAX_TCP_PORT)) {
      free(mr_ptr);
      return 1;  // if invalid range, free allocated memory and return
    }
    mr_ptr->next = mrange_root;
    mrange_root = mr_ptr;  // ready to point to next member
    ptr = strtok(NULL, ",");
  }
  free(mr_ptr);
  return 0;
}
Exemplo n.º 2
0
Arquivo: mrange.c Projeto: JSTLUV/ndt
char*
mrange_next(char* port, size_t port_strlen) {
  int val;
  Range* ptr;

  assert(port);

  if (check_rint(port, &val, 0, MAX_TCP_PORT)) {  // check if valid
    log_println(0, "WARNING: invalid port number");
    snprintf(port, port_strlen, RESERVED_PORT);
    return port;
  }
  val++;
  while (val <= MAX_TCP_PORT) {  // Maximum port number not exceeded
    ptr = mrange_root;
    while (ptr != NULL) {  // While there is some data
      if ((val >= ptr->min) && (val <= ptr->max)) {  // check range
        // and return port if valid
        snprintf(port, port_strlen, "%d", val);
        return port;
      }
      ptr = ptr->next;
    }
    val++;
  }
  snprintf(port, port_strlen, RESERVED_PORT);
  return port;
}
Exemplo n.º 3
0
static void
sse2_test (void)
{
  check_round ();
  check_rint ();
  check_floor ();
  check_ceil ();
  check_trunc ();
}