int do_nat(struct params *params)
{
int c,optindex;
struct iptargs *ipt = malloc(sizeof(struct iptargs));
struct argstruct *args = get_args(params);
struct ipt_natinfo *target;
memset(ipt,0,sizeof(struct iptargs));
ipt->table = "nat";
ipt->chain = NULL;
optind = 1;
while ((c = getopt_long(args->argc, args->argv, "A:L::s:d:j:o:i:S:D:F:",global_options,&optindex)) != -1) {
printf("#CC:%d %c#\n", c, c);
switch(c) {
case 'A':
ipt->chain = strdup(optarg);
printf("chain=%s\n",ipt->chain);
ipt->op = APPEND;
break;
case 'L':
if (optarg) {
ipt->chain = strdup(optarg);
}
ipt->op = LIST;
break;
case 's':
ipt->flags|=SRC_F;
parse_ip(ipt, 's', optarg);
break;
case 'd':
ipt->flags|=DST_F;
parse_ip(ipt, 'd', optarg);
break;
case 'j':
if (!optarg) {
printf("Must specify target\n");
return 1;
}
ipt->target = strdup(optarg);
if ((optarg)&&(strcmp(optarg,"SNAT")==0||strcmp(optarg,"DNAT")==0)) {
size_t size;
size = IPT_ALIGN(sizeof(struct nat_nf_nat_multi_range)) + sizeof(struct nat_xt_entry_target);
target = malloc(size);
memset(target,0,size);
target->t.target_size = size;
if ( strlen(optarg)<XT_FUNCTION_MAXNAMELEN)
memcpy(target->t.name,optarg,strlen(optarg));
}
break;
case 'o':
ipt->flags|=IPT_INV_VIA_OUT;
if (ipt_parse_interface(optarg,ipt->out_if,ipt->out_if_mask))
return 1;
break;
case 'i':
ipt->flags|=IPT_INV_VIA_IN;
if (ipt_parse_interface(optarg,ipt->out_if,ipt->out_if_mask))
return 1;
break;
case 'S' :
if(!NAT_target_parse(c,optarg,&target))
printf("SNAT_target_parse error\n");
break;
case 'Z' :
if(!NAT_target_parse(c,optarg,&target))
printf("DNAT_target_parse error\n");
break;
case 'D':
ipt->chain = optarg;
ipt->rulenum = strtoul(args->argv[optind++], NULL, 10);
ipt->op = DELETE;
break;
case 'F':
if (optarg) {
ipt->chain = optarg;
}
ipt->op = FLUSH;
break;
default:
printf("not recognized\n");
break;
}
}
if (check_ipt_command(ipt))
return 1;
switch (ipt->op) {
case APPEND:
do_append_nat_entry(ipt,target);
break;
case LIST:
do_list_entries(ipt);
break;
case DELETE:
do_delete_entry(ipt);
break;
case FLUSH:
do_flush_entries(ipt);
break;
default:
break;
}
return 0;
}
/**
* Run the given select statement and call 'proc' on the resulting
* values (which must be in particular positions).
*
* @param plugin the plugin handle
* @param stmt select statement to run
* @param proc function to call on result
* @param proc_cls closure for proc
* @param ... arguments to initialize stmt
*/
static void
execute_select (struct Plugin *plugin, struct GNUNET_MYSQL_StatementHandle *stmt,
PluginDatumProcessor proc, void *proc_cls, ...)
{
va_list ap;
int ret;
unsigned int type;
unsigned int priority;
unsigned int anonymity;
unsigned long long exp;
unsigned long hashSize;
unsigned long size;
unsigned long long uid;
char value[GNUNET_DATASTORE_MAX_VALUE_SIZE];
struct GNUNET_HashCode key;
struct GNUNET_TIME_Absolute expiration;
MYSQL_BIND rbind[7];
hashSize = sizeof (struct GNUNET_HashCode);
memset (rbind, 0, sizeof (rbind));
rbind[0].buffer_type = MYSQL_TYPE_LONG;
rbind[0].buffer = &type;
rbind[0].is_unsigned = 1;
rbind[1].buffer_type = MYSQL_TYPE_LONG;
rbind[1].buffer = &priority;
rbind[1].is_unsigned = 1;
rbind[2].buffer_type = MYSQL_TYPE_LONG;
rbind[2].buffer = &anonymity;
rbind[2].is_unsigned = 1;
rbind[3].buffer_type = MYSQL_TYPE_LONGLONG;
rbind[3].buffer = &exp;
rbind[3].is_unsigned = 1;
rbind[4].buffer_type = MYSQL_TYPE_BLOB;
rbind[4].buffer = &key;
rbind[4].buffer_length = hashSize;
rbind[4].length = &hashSize;
rbind[5].buffer_type = MYSQL_TYPE_BLOB;
rbind[5].buffer = value;
rbind[5].buffer_length = size = sizeof (value);
rbind[5].length = &size;
rbind[6].buffer_type = MYSQL_TYPE_LONGLONG;
rbind[6].buffer = &uid;
rbind[6].is_unsigned = 1;
va_start (ap, proc_cls);
ret = GNUNET_MYSQL_statement_run_prepared_select_va (plugin->mc, stmt, 7, rbind, NULL, NULL, ap);
va_end (ap);
if (ret <= 0)
{
proc (proc_cls, NULL, 0, NULL, 0, 0, 0, GNUNET_TIME_UNIT_ZERO_ABS, 0);
return;
}
GNUNET_assert (size <= sizeof (value));
if ((rbind[4].buffer_length != sizeof (struct GNUNET_HashCode)) ||
(hashSize != sizeof (struct GNUNET_HashCode)))
{
GNUNET_break (0);
proc (proc_cls, NULL, 0, NULL, 0, 0, 0, GNUNET_TIME_UNIT_ZERO_ABS, 0);
return;
}
expiration.abs_value_us = exp;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Found %u-byte value under key `%s' with prio %u, anon %u, expire %s selecting from gn090 table\n",
(unsigned int) size, GNUNET_h2s (&key),
priority, anonymity,
GNUNET_STRINGS_absolute_time_to_string (expiration));
GNUNET_assert (size < MAX_DATUM_SIZE);
ret =
proc (proc_cls, &key, size, value, type, priority, anonymity, expiration,
uid);
if (ret == GNUNET_NO)
{
do_delete_entry (plugin, uid);
if (size != 0)
plugin->env->duc (plugin->env->cls, -size);
}
}