/*
* m_xt.c xtables based targets
- * utilities mostly ripped from iptables <duh, its the linux way>
+ * utilities mostly ripped from iptables <duh, its the linux way>
*
* This program is free software; you can distribute it and/or
* modify it under the terms of the GNU General Public License
/*XXX: in the future (xtables 1.4.3?) get rid of everything tagged
* as TC_CONFIG_XT_H */
-#include <syslog.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#endif
#ifndef ALIGN
-#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)
-#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
+#define ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a)-1)
+#define __ALIGN_MASK(x, mask) (((x)+(mask))&~(mask))
#endif
static const char *pname = "tc-ipt";
};
static struct option *opts = original_opts;
-static unsigned int global_option_offset = 0;
+static unsigned int global_option_offset;
char *lib_dir;
const char *program_version = XTABLES_VERSION;
const char *program_name = "tc-ipt";
struct option *merge;
unsigned int num_old, num_new, i;
- for (num_old = 0; oldopts[num_old].name; num_old++) ;
- for (num_new = 0; newopts[num_new].name; num_new++) ;
+ for (num_old = 0; oldopts[num_old].name; num_old++);
+ for (num_new = 0; newopts[num_new].name; num_new++);
*option_offset = global_option_offset + OPTION_OFFSET;
- merge = malloc(sizeof (struct option) * (num_new + num_old + 1));
- memcpy(merge, oldopts, num_old * sizeof (struct option));
+ merge = malloc(sizeof(struct option) * (num_new + num_old + 1));
+ memcpy(merge, oldopts, num_old * sizeof(struct option));
for (i = 0; i < num_new; i++) {
merge[num_old + i] = newopts[i];
merge[num_old + i].val += *option_offset;
}
- memset(merge + num_old + num_new, 0, sizeof (struct option));
+ memset(merge + num_old + num_new, 0, sizeof(struct option));
return merge;
}
int
check_inverse(const char option[], int *invert, int *my_optind, int argc)
{
- if (option && strcmp(option, "!") == 0) {
- if (*invert)
- exit_error(PARAMETER_PROBLEM,
- "Multiple `!' flags not allowed");
- *invert = TRUE;
- if (my_optind != NULL) {
- ++*my_optind;
- if (argc && *my_optind > argc)
- exit_error(PARAMETER_PROBLEM,
- "no argument following `!'");
- }
-
- return TRUE;
- }
- return FALSE;
+ if (option && strcmp(option, "!") == 0) {
+ if (*invert)
+ exit_error(PARAMETER_PROBLEM,
+ "Multiple `!' flags not allowed");
+ *invert = TRUE;
+ if (my_optind != NULL) {
+ ++*my_optind;
+ if (argc && *my_optind > argc)
+ exit_error(PARAMETER_PROBLEM,
+ "no argument following `!'");
+ }
+
+ return TRUE;
+ }
+ return FALSE;
}
/*XXX: TC_CONFIG_XT_H */
void exit_error(enum exittype status, const char *msg, ...)
{
- va_list args;
-
- va_start(args, msg);
- fprintf(stderr, "%s v%s: ", pname, pversion);
- vfprintf(stderr, msg, args);
- va_end(args);
- fprintf(stderr, "\n");
- /* On error paths, make sure that we don't leak memory */
- exit(status);
+ va_list args;
+
+ va_start(args, msg);
+ fprintf(stderr, "%s v%s: ", pname, pversion);
+ vfprintf(stderr, msg, args);
+ va_end(args);
+ fprintf(stderr, "\n");
+ /* On error paths, make sure that we don't leak memory */
+ exit(status);
}
/*XXX: TC_CONFIG_XT_H */
{
size_t size =
- XT_ALIGN(sizeof (struct xt_entry_target)) + target->size;
+ XT_ALIGN(sizeof(struct xt_entry_target)) + target->size;
- if (NULL == t) {
+ if (t == NULL) {
target->t = fw_calloc(1, size);
target->t->u.target_size = size;
strcpy(target->t->u.user.name, target->name);
if (!lib_dir) {
lib_dir = getenv("IPTABLES_LIB_DIR");
if (lib_dir)
- fprintf(stderr, "using deprecated IPTABLES_LIB_DIR \n");
+ fprintf(stderr, "using deprecated IPTABLES_LIB_DIR\n");
}
if (lib_dir == NULL)
lib_dir = XT_LIB_DIR;
}
-static int parse_ipt(struct action_util *a,int *argc_p,
+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;
int rargc = *argc_p;
char **argv = *argv_p;
int argc = 0, iargc = 0;
- char k[16];
+ char k[FILTER_NAMESZ];
int size = 0;
int iok = 0, ok = 0;
__u32 hook = 0, index = 0;
{
int i;
+
for (i = 0; i < rargc; i++) {
- if (NULL == argv[i] || 0 == strcmp(argv[i], "action")) {
+ if (!argv[i] || strcmp(argv[i], "action") == 0)
break;
- }
}
iargc = argc = i;
}
if (argc <= 2) {
- fprintf(stderr,"bad arguements to ipt %d vs %d \n", argc, rargc);
+ fprintf(stderr, "bad arguments to ipt %d vs %d\n", argc, rargc);
return -1;
}
switch (c) {
case 'j':
m = find_target(optarg, TRY_LOAD);
- if (NULL != m) {
+ if (m != NULL) {
- if (0 > build_st(m, NULL)) {
- printf(" %s error \n", m->name);
+ if (build_st(m, NULL) < 0) {
+ printf(" %s error\n", m->name);
return -1;
}
opts =
merge_options(opts, m->extra_opts,
&m->option_offset);
} else {
- fprintf(stderr," failed to find target %s\n\n", optarg);
+ fprintf(stderr, " failed to find target %s\n\n", optarg);
return -1;
}
ok++;
break;
default:
- memset(&fw, 0, sizeof (fw));
+ memset(&fw, 0, sizeof(fw));
if (m) {
m->parse(c - m->option_offset, argv, 0,
&m->tflags, NULL, &m->t);
} else {
- fprintf(stderr," failed to find target %s\n\n", optarg);
+ fprintf(stderr, " failed to find target %s\n\n", optarg);
return -1;
}
}
if (!ok && !iok) {
- fprintf(stderr," ipt Parser BAD!! (%s)\n", *argv);
+ fprintf(stderr, " ipt Parser BAD!! (%s)\n", *argv);
return -1;
}
{
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;
}
}
- tail = NLMSG_TAIL(n);
- addattr_l(n, MAX_MSG, tca_id, NULL, 0);
+ tail = addattr_nest(n, MAX_MSG, tca_id);
fprintf(stdout, "tablename: %s hook: %s\n ", tname, ipthooks[hook]);
fprintf(stdout, "\ttarget: ");
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;
+ addattr_nest_end(n, tail);
argc -= optind;
argv += optind;
optind = 0;
free_opts(opts);
/* Clear flags if target will be used again */
- m->tflags=0;
- m->used=0;
+ m->tflags = 0;
+ m->used = 0;
/* Free allocated memory */
- if (m->t)
- free(m->t);
+ if (m->t)
+ free(m->t);
return 0;
}
static int
-print_ipt(struct action_util *au,FILE * f, struct rtattr *arg)
+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 xtables_target *m;
+ __u32 hook;
if (arg == NULL)
- return -1;
+ return 0;
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 ");
+ fprintf(stderr, "Missing ipt table name, assuming mangle\n");
} else {
fprintf(f, "tablename: %s ",
- (char *) RTA_DATA(tb[TCA_IPT_TABLE]));
+ rta_getattr_str(tb[TCA_IPT_TABLE]));
}
if (tb[TCA_IPT_HOOK] == NULL) {
- fprintf(f, "[NULL ipt hook name ]\n ");
+ fprintf(stderr, "Missing ipt hook name\n");
return -1;
- } else {
- __u32 hook;
- hook = *(__u32 *) RTA_DATA(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");
+ fprintf(stderr, "Missing ipt target parameters\n");
return -1;
- } else {
- struct xtables_target *m = NULL;
- t = RTA_DATA(tb[TCA_IPT_TARG]);
- m = find_target(t->u.user.name, TRY_LOAD);
- if (NULL != m) {
- if (0 > build_st(m, t)) {
- fprintf(stderr, " %s error \n", m->name);
- return -1;
- }
+ }
- opts =
- merge_options(opts, m->extra_opts,
- &m->option_offset);
- } else {
- fprintf(stderr, " failed to find target %s\n\n",
- t->u.user.name);
+ hook = rta_getattr_u32(tb[TCA_IPT_HOOK]);
+ fprintf(f, " hook: %s\n", ipthooks[hook]);
+
+ t = RTA_DATA(tb[TCA_IPT_TARG]);
+ m = find_target(t->u.user.name, TRY_LOAD);
+ if (m != NULL) {
+ if (build_st(m, t) < 0) {
+ fprintf(stderr, " %s error\n", m->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 = *(__u32 *) RTA_DATA(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");
+ opts =
+ merge_options(opts, m->extra_opts,
+ &m->option_offset);
+ } 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 %u", 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");
+
free_opts(opts);
return 0;
}
struct action_util ipt_action_util = {
- .id = "ipt",
- .parse_aopt = parse_ipt,
- .print_aopt = print_ipt,
+ .id = "ipt",
+ .parse_aopt = parse_ipt,
+ .print_aopt = print_ipt,
};
-
projects / mirror_iproute2.git / blobdiff