C++ (Cpp) xs_init_match Examples

Example #1

File: xtables.c Project: knarflin/Linux-iptables-with-modified-NAT

static void command_match(struct iptables_command_state *cs)
{
	struct xtables_match *m;
	size_t size;

	if (cs->invert)
		xtables_error(PARAMETER_PROBLEM,
			   "unexpected ! flag before --match");

	m = xtables_find_match(optarg, XTF_LOAD_MUST_SUCCEED, &cs->matches);
	size = XT_ALIGN(sizeof(struct xt_entry_match)) + m->size;
	m->m = xtables_calloc(1, size);
	m->m->u.match_size = size;
	if (m->real_name == NULL) {
		strcpy(m->m->u.user.name, m->name);
	} else {
		strcpy(m->m->u.user.name, m->real_name);
		if (!(m->ext_flags & XTABLES_EXT_ALIAS))
			fprintf(stderr, "Notice: the %s match is converted into %s match "
				"in rule listing and saving.\n", m->name, m->real_name);
	}
	m->m->u.user.revision = m->revision;
	xs_init_match(m);
	if (m == m->next)
		return;
	/* Merge options for non-cloned matches */
	if (m->x6_options != NULL)
		opts = xtables_options_xfrm(xtables_globals.orig_opts, opts,
					    m->x6_options, &m->option_offset);
	else if (m->extra_opts != NULL)
		opts = xtables_merge_options(xtables_globals.orig_opts, opts,
					     m->extra_opts, &m->option_offset);
	if (opts == NULL)
		xtables_error(OTHER_PROBLEM, "can't alloc memory!");
}

Example #2

File: xtables-eb.c Project: AmVPN/iptables

/* This code is very similar to iptables/xtables.c:command_match() */
static void ebt_load_match(const char *name)
{
	struct xtables_match *m;
	size_t size;

	m = xtables_find_match(name, XTF_LOAD_MUST_SUCCEED, NULL);
	if (m == NULL)
		xtables_error(OTHER_PROBLEM, "Unable to load %s match", name);

	size = XT_ALIGN(sizeof(struct xt_entry_match)) + m->size;
	m->m = xtables_calloc(1, size);
	m->m->u.match_size = size;
	strcpy(m->m->u.user.name, m->name);
	m->m->u.user.revision = m->revision;
	xs_init_match(m);

	opts = merge_options(opts, m->extra_opts, &m->option_offset);
	if (opts == NULL)
		xtables_error(OTHER_PROBLEM, "Can't alloc memory");
}

Example #3

File: xshared.c Project: Aceofzeroz/android_kernel_asus_ze55xml

int command_default(struct iptables_command_state *cs,
		    struct xtables_globals *gl)
{
	struct xtables_rule_match *matchp;
	struct xtables_match *m;

	if (cs->target != NULL &&
	    (cs->target->parse != NULL || cs->target->x6_parse != NULL) &&
	    cs->c >= cs->target->option_offset &&
	    cs->c < cs->target->option_offset + XT_OPTION_OFFSET_SCALE) {
		xtables_option_tpcall(cs->c, cs->argv, cs->invert,
				      cs->target, &cs->fw);
		return 0;
	}

	for (matchp = cs->matches; matchp; matchp = matchp->next) {
		m = matchp->match;

		if (matchp->completed ||
		    (m->x6_parse == NULL && m->parse == NULL))
			continue;
		if (cs->c < matchp->match->option_offset ||
		    cs->c >= matchp->match->option_offset + XT_OPTION_OFFSET_SCALE)
			continue;
		xtables_option_mpcall(cs->c, cs->argv, cs->invert, m, &cs->fw);
		return 0;
	}

	/* Try loading protocol */
	m = load_proto(cs);
	if (m != NULL) {
		size_t size;

		cs->proto_used = 1;

		size = XT_ALIGN(sizeof(struct xt_entry_match)) + m->size;

		m->m = xtables_calloc(1, size);
		m->m->u.match_size = size;
		strcpy(m->m->u.user.name, m->name);
		m->m->u.user.revision = m->revision;
		xs_init_match(m);

		if (m->x6_options != NULL)
			gl->opts = xtables_options_xfrm(gl->orig_opts,
							gl->opts,
							m->x6_options,
							&m->option_offset);
		else
			gl->opts = xtables_merge_options(gl->orig_opts,
							 gl->opts,
							 m->extra_opts,
							 &m->option_offset);
		if (gl->opts == NULL)
			xtables_error(OTHER_PROBLEM, "can't alloc memory!");
		optind--;
		/* Indicate to rerun getopt *immediately* */
 		return 1;
	}

	if (cs->c == ':')
		xtables_error(PARAMETER_PROBLEM, "option \"%s\" "
		              "requires an argument", cs->argv[optind-1]);
	if (cs->c == '?')
		xtables_error(PARAMETER_PROBLEM, "unknown option "
			      "\"%s\"", cs->argv[optind-1]);
	xtables_error(PARAMETER_PROBLEM, "Unknown arg \"%s\"", optarg);
	return 0;
}