int wrap_tpcall(unsigned int c, char **argv, int inv,
struct xtables_target *t, struct xt_entry_target *tt, void *fw)
{
int rv = 1;
int err;
if ((err = setjmp(env)) == 0) {
t->t = tt; // FIXME: See above.
xtables_option_tpcall(c, argv, inv, t, fw);
} else {
errno = err;
}
return rv;
}
static int parse_ipt(struct action_util *a,int *argc_p,
char ***argv_p, int tca_id, struct nlmsghdr *n)
{
struct xtables_target *m = NULL;
struct ipt_entry fw;
struct rtattr *tail;
int c;
int rargc = *argc_p;
char **argv = *argv_p;
int argc = 0, iargc = 0;
char k[16];
int size = 0;
int iok = 0, ok = 0;
__u32 hook = 0, index = 0;
struct option *opts = NULL;
xtables_init_all(&tcipt_globals, NFPROTO_IPV4);
set_lib_dir();
{
int i;
for (i = 0; i < rargc; i++) {
if (NULL == argv[i] || 0 == strcmp(argv[i], "action")) {
break;
}
}
iargc = argc = i;
}
if (argc <= 2) {
fprintf(stderr,"bad arguements to ipt %d vs %d \n", argc, rargc);
return -1;
}
while (1) {
c = getopt_long(argc, argv, "j:", tcipt_globals.opts, NULL);
if (c == -1)
break;
switch (c) {
case 'j':
m = xtables_find_target(optarg, XTF_TRY_LOAD);
if (NULL != m) {
if (0 > build_st(m, NULL)) {
printf(" %s error \n", m->name);
return -1;
}
#if (XTABLES_VERSION_CODE >= 6)
opts = xtables_options_xfrm(tcipt_globals.orig_opts,
tcipt_globals.opts,
m->x6_options,
&m->option_offset);
#else
opts = xtables_merge_options(tcipt_globals.orig_opts,
tcipt_globals.opts,
m->extra_opts,
&m->option_offset);
#endif
if (opts == NULL) {
fprintf(stderr, " failed to find aditional options for target %s\n\n", optarg);
return -1;
} else
tcipt_globals.opts = opts;
} else {
fprintf(stderr," failed to find target %s\n\n", optarg);
return -1;
}
ok++;
break;
default:
memset(&fw, 0, sizeof (fw));
#if (XTABLES_VERSION_CODE >= 6)
if (m != NULL && m->x6_parse != NULL ) {
xtables_option_tpcall(c, argv, 0 , m, NULL);
#else
if (m != NULL && m->parse != NULL ) {
m->parse(c - m->option_offset, argv, 0, &m->tflags,
NULL, &m->t);
#endif
} else {
fprintf(stderr,"failed to find target %s\n\n", optarg);
return -1;
}
ok++;
break;
}
}
if (iargc > optind) {
if (matches(argv[optind], "index") == 0) {
if (get_u32(&index, argv[optind + 1], 10)) {
fprintf(stderr, "Illegal \"index\"\n");
xtables_free_opts(1);
return -1;
}
iok++;
optind += 2;
}
}
if (!ok && !iok) {
fprintf(stderr," ipt Parser BAD!! (%s)\n", *argv);
return -1;
}
/* check that we passed the correct parameters to the target */
#if (XTABLES_VERSION_CODE >= 6)
if (m)
xtables_option_tfcall(m);
#else
if (m && m->final_check)
m->final_check(m->tflags);
#endif
{
struct tcmsg *t = NLMSG_DATA(n);
if (t->tcm_parent != TC_H_ROOT
&& t->tcm_parent == TC_H_MAJ(TC_H_INGRESS)) {
hook = NF_IP_PRE_ROUTING;
} else {
hook = NF_IP_POST_ROUTING;
}
}
tail = NLMSG_TAIL(n);
addattr_l(n, MAX_MSG, tca_id, NULL, 0);
fprintf(stdout, "tablename: %s hook: %s\n ", tname, ipthooks[hook]);
fprintf(stdout, "\ttarget: ");
if (m)
m->print(NULL, m->t, 0);
fprintf(stdout, " index %d\n", index);
if (strlen(tname) > 16) {
size = 16;
k[15] = 0;
} else {
size = 1 + strlen(tname);
}
strncpy(k, tname, size);
addattr_l(n, MAX_MSG, TCA_IPT_TABLE, k, size);
addattr_l(n, MAX_MSG, TCA_IPT_HOOK, &hook, 4);
addattr_l(n, MAX_MSG, TCA_IPT_INDEX, &index, 4);
if (m)
addattr_l(n, MAX_MSG, TCA_IPT_TARG, m->t, m->t->u.target_size);
tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
argc -= optind;
argv += optind;
*argc_p = rargc - iargc;
*argv_p = argv;
optind = 0;
xtables_free_opts(1);
if (m) {
/* Clear flags if target will be used again */
m->tflags = 0;
m->used = 0;
/* Free allocated memory */
if (m->t)
free(m->t);
}
return 0;
}
static int
print_ipt(struct action_util *au,FILE * f, struct rtattr *arg)
{
struct rtattr *tb[TCA_IPT_MAX + 1];
struct xt_entry_target *t = NULL;
struct option *opts = NULL;
if (arg == NULL)
return -1;
xtables_init_all(&tcipt_globals, NFPROTO_IPV4);
set_lib_dir();
parse_rtattr_nested(tb, TCA_IPT_MAX, arg);
if (tb[TCA_IPT_TABLE] == NULL) {
fprintf(f, "[NULL ipt table name ] assuming mangle ");
} else {
fprintf(f, "tablename: %s ",
rta_getattr_str(tb[TCA_IPT_TABLE]));
}
if (tb[TCA_IPT_HOOK] == NULL) {
fprintf(f, "[NULL ipt hook name ]\n ");
return -1;
} else {
__u32 hook;
hook = rta_getattr_u32(tb[TCA_IPT_HOOK]);
fprintf(f, " hook: %s \n", ipthooks[hook]);
}
if (tb[TCA_IPT_TARG] == NULL) {
fprintf(f, "\t[NULL ipt target parameters ] \n");
return -1;
} else {
struct xtables_target *m = NULL;
t = RTA_DATA(tb[TCA_IPT_TARG]);
m = xtables_find_target(t->u.user.name, XTF_TRY_LOAD);
if (NULL != m) {
if (0 > build_st(m, t)) {
fprintf(stderr, " %s error \n", m->name);
return -1;
}
#if (XTABLES_VERSION_CODE >= 6)
opts = xtables_options_xfrm(tcipt_globals.orig_opts,
tcipt_globals.opts,
m->x6_options,
&m->option_offset);
#else
opts = xtables_merge_options(tcipt_globals.orig_opts,
tcipt_globals.opts,
m->extra_opts,
&m->option_offset);
#endif
if (opts == NULL) {
fprintf(stderr, " failed to find aditional options for target %s\n\n", optarg);
return -1;
} else
tcipt_globals.opts = opts;
} else {
fprintf(stderr, " failed to find target %s\n\n",
t->u.user.name);
return -1;
}
fprintf(f, "\ttarget ");
m->print(NULL, m->t, 0);
if (tb[TCA_IPT_INDEX] == NULL) {
fprintf(f, " [NULL ipt target index ]\n");
} else {
__u32 index;
index = rta_getattr_u32(tb[TCA_IPT_INDEX]);
fprintf(f, " \n\tindex %d", index);
}
if (tb[TCA_IPT_CNT]) {
struct tc_cnt *c = RTA_DATA(tb[TCA_IPT_CNT]);;
fprintf(f, " ref %d bind %d", c->refcnt, c->bindcnt);
}
if (show_stats) {
if (tb[TCA_IPT_TM]) {
struct tcf_t *tm = RTA_DATA(tb[TCA_IPT_TM]);
print_tm(f,tm);
}
}
fprintf(f, " \n");
}
xtables_free_opts(1);
return 0;
}
struct action_util xt_action_util = {
.id = "xt",
.parse_aopt = parse_ipt,
.print_aopt = print_ipt,
};
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;
}
int do_commandarp(struct nft_handle *h, int argc, char *argv[], char **table)
{
struct arptables_command_state cs;
int invert = 0;
unsigned int nsaddrs = 0, ndaddrs = 0;
struct in_addr *saddrs = NULL, *daddrs = NULL;
int c, verbose = 0;
const char *chain = NULL;
const char *shostnetworkmask = NULL, *dhostnetworkmask = NULL;
const char *policy = NULL, *newname = NULL;
unsigned int rulenum = 0, options = 0, command = 0;
const char *pcnt = NULL, *bcnt = NULL;
int ret = 1;
struct xtables_target *t;
memset(&cs, 0, sizeof(cs));
cs.jumpto = "";
opts = original_opts;
global_option_offset = 0;
xtables_globals.orig_opts = original_opts;
/* re-set optind to 0 in case do_command gets called
* a second time */
optind = 0;
for (t = xtables_targets; t; t = t->next) {
t->tflags = 0;
t->used = 0;
}
/* Suppress error messages: we may add new options if we
demand-load a protocol. */
opterr = 0;
while ((c = getopt_long(argc, argv,
"-A:D:R:I:L::M:F::Z::N:X::E:P:Vh::o:p:s:d:j:l:i:vnt:m:c:",
opts, NULL)) != -1) {
switch (c) {
/*
* Command selection
*/
case 'A':
add_command(&command, CMD_APPEND, CMD_NONE,
invert);
chain = optarg;
break;
case 'D':
add_command(&command, CMD_DELETE, CMD_NONE,
invert);
chain = optarg;
if (optind < argc && argv[optind][0] != '-'
&& argv[optind][0] != '!') {
rulenum = parse_rulenumber(argv[optind++]);
command = CMD_DELETE_NUM;
}
break;
case 'R':
add_command(&command, CMD_REPLACE, CMD_NONE,
invert);
chain = optarg;
if (optind < argc && argv[optind][0] != '-'
&& argv[optind][0] != '!')
rulenum = parse_rulenumber(argv[optind++]);
else
xtables_error(PARAMETER_PROBLEM,
"-%c requires a rule number",
cmd2char(CMD_REPLACE));
break;
case 'I':
add_command(&command, CMD_INSERT, CMD_NONE,
invert);
chain = optarg;
if (optind < argc && argv[optind][0] != '-'
&& argv[optind][0] != '!')
rulenum = parse_rulenumber(argv[optind++]);
else rulenum = 1;
break;
case 'L':
add_command(&command, CMD_LIST, CMD_ZERO,
invert);
if (optarg) chain = optarg;
else if (optind < argc && argv[optind][0] != '-'
&& argv[optind][0] != '!')
chain = argv[optind++];
break;
case 'F':
add_command(&command, CMD_FLUSH, CMD_NONE,
invert);
if (optarg) chain = optarg;
else if (optind < argc && argv[optind][0] != '-'
&& argv[optind][0] != '!')
chain = argv[optind++];
break;
case 'Z':
add_command(&command, CMD_ZERO, CMD_LIST,
invert);
if (optarg) chain = optarg;
else if (optind < argc && argv[optind][0] != '-'
&& argv[optind][0] != '!')
chain = argv[optind++];
break;
case 'N':
if (optarg && *optarg == '-')
xtables_error(PARAMETER_PROBLEM,
"chain name not allowed to start "
"with `-'\n");
if (xtables_find_target(optarg, XTF_TRY_LOAD))
xtables_error(PARAMETER_PROBLEM,
"chain name may not clash "
"with target name\n");
add_command(&command, CMD_NEW_CHAIN, CMD_NONE,
invert);
chain = optarg;
break;
case 'X':
add_command(&command, CMD_DELETE_CHAIN, CMD_NONE,
invert);
if (optarg) chain = optarg;
else if (optind < argc && argv[optind][0] != '-'
&& argv[optind][0] != '!')
chain = argv[optind++];
break;
case 'E':
add_command(&command, CMD_RENAME_CHAIN, CMD_NONE,
invert);
chain = optarg;
if (optind < argc && argv[optind][0] != '-'
&& argv[optind][0] != '!')
newname = argv[optind++];
else
xtables_error(PARAMETER_PROBLEM,
"-%c requires old-chain-name and "
"new-chain-name",
cmd2char(CMD_RENAME_CHAIN));
break;
case 'P':
add_command(&command, CMD_SET_POLICY, CMD_NONE,
invert);
chain = optarg;
if (optind < argc && argv[optind][0] != '-'
&& argv[optind][0] != '!')
policy = argv[optind++];
else
xtables_error(PARAMETER_PROBLEM,
"-%c requires a chain and a policy",
cmd2char(CMD_SET_POLICY));
break;
case 'h':
if (!optarg)
optarg = argv[optind];
exit_printhelp();
break;
case 's':
check_inverse(optarg, &invert, &optind, argc);
set_option(&options, OPT_S_IP, &cs.fw.arp.invflags,
invert);
shostnetworkmask = argv[optind-1];
break;
case 'd':
check_inverse(optarg, &invert, &optind, argc);
set_option(&options, OPT_D_IP, &cs.fw.arp.invflags,
invert);
dhostnetworkmask = argv[optind-1];
break;
case 2:/* src-mac */
check_inverse(optarg, &invert, &optind, argc);
set_option(&options, OPT_S_MAC, &cs.fw.arp.invflags,
invert);
if (getmac_and_mask(argv[optind - 1],
cs.fw.arp.src_devaddr.addr, cs.fw.arp.src_devaddr.mask))
xtables_error(PARAMETER_PROBLEM, "Problem with specified "
"source mac");
break;
case 3:/* dst-mac */
check_inverse(optarg, &invert, &optind, argc);
set_option(&options, OPT_D_MAC, &cs.fw.arp.invflags,
invert);
if (getmac_and_mask(argv[optind - 1],
cs.fw.arp.tgt_devaddr.addr, cs.fw.arp.tgt_devaddr.mask))
xtables_error(PARAMETER_PROBLEM, "Problem with specified "
"destination mac");
break;
case 'l':/* hardware length */
check_inverse(optarg, &invert, &optind, argc);
set_option(&options, OPT_H_LENGTH, &cs.fw.arp.invflags,
invert);
getlength_and_mask(argv[optind - 1], &cs.fw.arp.arhln,
&cs.fw.arp.arhln_mask);
if (cs.fw.arp.arhln != 6) {
xtables_error(PARAMETER_PROBLEM,
"Only harware address length of"
" 6 is supported currently.");
}
break;
case 8:/* protocol length */
xtables_error(PARAMETER_PROBLEM, "not supported");
/*
check_inverse(optarg, &invert, &optind, argc);
set_option(&options, OPT_P_LENGTH, &cs.fw.arp.invflags,
invert);
getlength_and_mask(argv[optind - 1], &cs.fw.arp.arpln,
&cs.fw.arp.arpln_mask);
break;
*/
case 4:/* opcode */
check_inverse(optarg, &invert, &optind, argc);
set_option(&options, OPT_OPCODE, &cs.fw.arp.invflags,
invert);
if (get16_and_mask(argv[optind - 1], &cs.fw.arp.arpop,
&cs.fw.arp.arpop_mask, 10)) {
int i;
for (i = 0; i < NUMOPCODES; i++)
if (!strcasecmp(opcodes[i], optarg))
break;
if (i == NUMOPCODES)
xtables_error(PARAMETER_PROBLEM, "Problem with specified opcode");
cs.fw.arp.arpop = htons(i+1);
}
break;
case 5:/* h-type */
check_inverse(optarg, &invert, &optind, argc);
set_option(&options, OPT_H_TYPE, &cs.fw.arp.invflags,
invert);
if (get16_and_mask(argv[optind - 1], &cs.fw.arp.arhrd,
&cs.fw.arp.arhrd_mask, 16)) {
if (strcasecmp(argv[optind-1], "Ethernet"))
xtables_error(PARAMETER_PROBLEM, "Problem with specified hardware type");
cs.fw.arp.arhrd = htons(1);
}
break;
case 6:/* proto-type */
check_inverse(optarg, &invert, &optind, argc);
set_option(&options, OPT_P_TYPE, &cs.fw.arp.invflags,
invert);
if (get16_and_mask(argv[optind - 1], &cs.fw.arp.arpro,
&cs.fw.arp.arpro_mask, 0)) {
if (strcasecmp(argv[optind-1], "ipv4"))
xtables_error(PARAMETER_PROBLEM, "Problem with specified protocol type");
cs.fw.arp.arpro = htons(0x800);
}
break;
case 'j':
set_option(&options, OPT_JUMP, &cs.fw.arp.invflags,
invert);
cs.jumpto = parse_target(optarg);
cs.target = command_jump(&cs.fw, cs.jumpto);
break;
case 'i':
check_inverse(optarg, &invert, &optind, argc);
set_option(&options, OPT_VIANAMEIN, &cs.fw.arp.invflags,
invert);
parse_interface(argv[optind-1],
cs.fw.arp.iniface,
cs.fw.arp.iniface_mask);
/* cs.fw.nfcache |= NFC_IP_IF_IN; */
break;
case 'o':
check_inverse(optarg, &invert, &optind, argc);
set_option(&options, OPT_VIANAMEOUT, &cs.fw.arp.invflags,
invert);
parse_interface(argv[optind-1],
cs.fw.arp.outiface,
cs.fw.arp.outiface_mask);
/* cs.fw.nfcache |= NFC_IP_IF_OUT; */
break;
case 'v':
if (!verbose)
set_option(&options, OPT_VERBOSE,
&cs.fw.arp.invflags, invert);
verbose++;
break;
case 'm': /*{
size_t size;
if (invert)
exit_error(PARAMETER_PROBLEM,
"unexpected ! flag before --match");
m = find_match(optarg, LOAD_MUST_SUCCEED);
size = ARPT_ALIGN(sizeof(struct arpt_entry_match))
+ m->size;
m->m = fw_calloc(1, size);
m->m->u.match_size = size;
strcpy(m->m->u.user.name, m->name);
m->init(m->m, &fw.nfcache);
opts = merge_options(opts, m->extra_opts, &m->option_offset);
}*/
break;
case 'n':
set_option(&options, OPT_NUMERIC, &cs.fw.arp.invflags,
invert);
break;
case 't':
if (invert)
xtables_error(PARAMETER_PROBLEM,
"unexpected ! flag before --table");
*table = argv[optind-1];
break;
case 'V':
if (invert)
printf("Not %s ;-)\n", program_version);
else
printf("%s v%s\n",
program_name, program_version);
exit(0);
case '0':
set_option(&options, OPT_LINENUMBERS, &cs.fw.arp.invflags,
invert);
break;
case 'M':
//modprobe = optarg;
break;
case 'c':
set_option(&options, OPT_COUNTERS, &cs.fw.arp.invflags,
invert);
pcnt = optarg;
if (optind < argc && argv[optind][0] != '-'
&& argv[optind][0] != '!')
bcnt = argv[optind++];
else
xtables_error(PARAMETER_PROBLEM,
"-%c requires packet and byte counter",
opt2char(OPT_COUNTERS));
if (sscanf(pcnt, "%llu", &cs.fw.counters.pcnt) != 1)
xtables_error(PARAMETER_PROBLEM,
"-%c packet counter not numeric",
opt2char(OPT_COUNTERS));
if (sscanf(bcnt, "%llu", &cs.fw.counters.bcnt) != 1)
xtables_error(PARAMETER_PROBLEM,
"-%c byte counter not numeric",
opt2char(OPT_COUNTERS));
break;
case 1: /* non option */
if (optarg[0] == '!' && optarg[1] == '\0') {
if (invert)
xtables_error(PARAMETER_PROBLEM,
"multiple consecutive ! not"
" allowed");
invert = TRUE;
optarg[0] = '\0';
continue;
}
printf("Bad argument `%s'\n", optarg);
exit_tryhelp(2);
default:
if (cs.target) {
xtables_option_tpcall(c, argv,
invert, cs.target, &cs.fw);
}
break;
}
invert = FALSE;
}
if (cs.target)
xtables_option_tfcall(cs.target);
if (optind < argc)
xtables_error(PARAMETER_PROBLEM,
"unknown arguments found on commandline");
if (!command)
xtables_error(PARAMETER_PROBLEM, "no command specified");
if (invert)
xtables_error(PARAMETER_PROBLEM,
"nothing appropriate following !");
if (command & (CMD_REPLACE | CMD_INSERT | CMD_DELETE | CMD_APPEND)) {
if (!(options & OPT_D_IP))
dhostnetworkmask = "0.0.0.0/0";
if (!(options & OPT_S_IP))
shostnetworkmask = "0.0.0.0/0";
}
if (shostnetworkmask)
parse_hostnetworkmask(shostnetworkmask, &saddrs,
&(cs.fw.arp.smsk), &nsaddrs);
if (dhostnetworkmask)
parse_hostnetworkmask(dhostnetworkmask, &daddrs,
&(cs.fw.arp.tmsk), &ndaddrs);
if ((nsaddrs > 1 || ndaddrs > 1) &&
(cs.fw.arp.invflags & (ARPT_INV_SRCIP | ARPT_INV_TGTIP)))
xtables_error(PARAMETER_PROBLEM, "! not allowed with multiple"
" source or destination IP addresses");
if (command == CMD_REPLACE && (nsaddrs != 1 || ndaddrs != 1))
xtables_error(PARAMETER_PROBLEM, "Replacement rule does not "
"specify a unique address");
generic_opt_check(command, options);
if (chain && strlen(chain) > ARPT_FUNCTION_MAXNAMELEN)
xtables_error(PARAMETER_PROBLEM,
"chain name `%s' too long (must be under %i chars)",
chain, ARPT_FUNCTION_MAXNAMELEN);
if (nft_init(h, xtables_arp) < 0)
xtables_error(OTHER_PROBLEM,
"Could not initialize nftables layer.");
h->ops = nft_family_ops_lookup(h->family);
if (h->ops == NULL)
xtables_error(PARAMETER_PROBLEM, "Unknown family");
if (command == CMD_APPEND
|| command == CMD_DELETE
|| command == CMD_INSERT
|| command == CMD_REPLACE) {
if (strcmp(chain, "PREROUTING") == 0
|| strcmp(chain, "INPUT") == 0) {
/* -o not valid with incoming packets. */
if (options & OPT_VIANAMEOUT)
xtables_error(PARAMETER_PROBLEM,
"Can't use -%c with %s\n",
opt2char(OPT_VIANAMEOUT),
chain);
}
if (strcmp(chain, "POSTROUTING") == 0
|| strcmp(chain, "OUTPUT") == 0) {
/* -i not valid with outgoing packets */
if (options & OPT_VIANAMEIN)
xtables_error(PARAMETER_PROBLEM,
"Can't use -%c with %s\n",
opt2char(OPT_VIANAMEIN),
chain);
}
if (!cs.target && strlen(cs.jumpto) != 0) {
size_t size;
cs.target = xtables_find_target(XT_STANDARD_TARGET,
XTF_LOAD_MUST_SUCCEED);
size = sizeof(struct arpt_entry_target) + cs.target->size;
cs.target->t = xtables_calloc(1, size);
cs.target->t->u.target_size = size;
strcpy(cs.target->t->u.user.name, cs.jumpto);
}
}
switch (command) {
case CMD_APPEND:
ret = append_entry(h, chain, *table, &cs, 0,
nsaddrs, saddrs, ndaddrs, daddrs,
options&OPT_VERBOSE, true);
break;
case CMD_DELETE:
ret = delete_entry(chain, *table, &cs,
nsaddrs, saddrs, ndaddrs, daddrs,
options&OPT_VERBOSE, h);
break;
case CMD_DELETE_NUM:
ret = nft_rule_delete_num(h, chain, *table, rulenum - 1, verbose);
break;
case CMD_REPLACE:
ret = replace_entry(chain, *table, &cs, rulenum - 1,
saddrs, daddrs, options&OPT_VERBOSE, h);
break;
case CMD_INSERT:
ret = append_entry(h, chain, *table, &cs, rulenum - 1,
nsaddrs, saddrs, ndaddrs, daddrs,
options&OPT_VERBOSE, false);
break;
case CMD_LIST:
ret = list_entries(h, chain, *table,
rulenum,
options&OPT_VERBOSE,
options&OPT_NUMERIC,
/*options&OPT_EXPANDED*/0,
options&OPT_LINENUMBERS);
break;
case CMD_FLUSH:
ret = nft_rule_flush(h, chain, *table);
break;
case CMD_ZERO:
ret = nft_chain_zero_counters(h, chain, *table);
break;
case CMD_LIST|CMD_ZERO:
ret = list_entries(h, chain, *table, rulenum,
options&OPT_VERBOSE,
options&OPT_NUMERIC,
/*options&OPT_EXPANDED*/0,
options&OPT_LINENUMBERS);
if (ret)
ret = nft_chain_zero_counters(h, chain, *table);
break;
case CMD_NEW_CHAIN:
ret = nft_chain_user_add(h, chain, *table);
break;
case CMD_DELETE_CHAIN:
ret = nft_chain_user_del(h, chain, *table);
break;
case CMD_RENAME_CHAIN:
ret = nft_chain_user_rename(h, chain, *table, newname);
break;
case CMD_SET_POLICY:
ret = nft_chain_set(h, *table, chain, policy, NULL);
if (ret < 0)
xtables_error(PARAMETER_PROBLEM, "Wrong policy `%s'\n",
policy);
break;
default:
/* We should never reach this... */
exit_tryhelp(2);
}
/* if (verbose > 1)
dump_entries(*handle);*/
return ret;
}
