summaryrefslogtreecommitdiff
path: root/extensions/libxt_DSCP.c
diff options
context:
space:
mode:
Diffstat (limited to 'extensions/libxt_DSCP.c')
-rw-r--r--extensions/libxt_DSCP.c97
1 files changed, 30 insertions, 67 deletions
diff --git a/extensions/libxt_DSCP.c b/extensions/libxt_DSCP.c
index 82ac10c..e16e93c 100644
--- a/extensions/libxt_DSCP.c
+++ b/extensions/libxt_DSCP.c
@@ -11,16 +11,19 @@
*/
#include <stdio.h>
#include <string.h>
-#include <stdlib.h>
-#include <getopt.h>
-
#include <xtables.h>
-#include <linux/netfilter/x_tables.h>
#include <linux/netfilter/xt_DSCP.h>
/* This is evil, but it's my code - HW*/
#include "dscp_helper.c"
+enum {
+ O_SET_DSCP = 0,
+ O_SET_DSCP_CLASS,
+ F_SET_DSCP = 1 << O_SET_DSCP,
+ F_SET_DSCP_CLASS = 1 << O_SET_DSCP_CLASS,
+};
+
static void DSCP_help(void)
{
printf(
@@ -37,79 +40,39 @@ static void DSCP_help(void)
);
}
-static const struct option DSCP_opts[] = {
- { "set-dscp", 1, NULL, 'F' },
- { "set-dscp-class", 1, NULL, 'G' },
- { .name = NULL }
+static const struct xt_option_entry DSCP_opts[] = {
+ {.name = "set-dscp", .id = O_SET_DSCP, .excl = F_SET_DSCP_CLASS,
+ .type = XTTYPE_UINT8, .min = 0, .max = XT_DSCP_MAX,
+ .flags = XTOPT_PUT,
+ XTOPT_POINTER(struct xt_DSCP_info, dscp)},
+ {.name = "set-dscp-class", .id = O_SET_DSCP_CLASS, .excl = F_SET_DSCP,
+ .type = XTTYPE_STRING},
+ XTOPT_TABLEEND,
};
-static void
-parse_dscp(const char *s, struct xt_DSCP_info *dinfo)
+static void DSCP_parse(struct xt_option_call *cb)
{
- unsigned int dscp;
-
- if (!xtables_strtoui(s, NULL, &dscp, 0, UINT8_MAX))
- xtables_error(PARAMETER_PROBLEM,
- "Invalid dscp `%s'\n", s);
+ struct xt_DSCP_info *dinfo = cb->data;
- if (dscp > XT_DSCP_MAX)
- xtables_error(PARAMETER_PROBLEM,
- "DSCP `%d` out of range\n", dscp);
-
- dinfo->dscp = dscp;
-}
-
-
-static void
-parse_class(const char *s, struct xt_DSCP_info *dinfo)
-{
- unsigned int dscp = class_to_dscp(s);
-
- /* Assign the value */
- dinfo->dscp = dscp;
-}
-
-
-static int DSCP_parse(int c, char **argv, int invert, unsigned int *flags,
- const void *entry, struct xt_entry_target **target)
-{
- struct xt_DSCP_info *dinfo
- = (struct xt_DSCP_info *)(*target)->data;
-
- switch (c) {
- case 'F':
- if (*flags)
- xtables_error(PARAMETER_PROBLEM,
- "DSCP target: Only use --set-dscp ONCE!");
- parse_dscp(optarg, dinfo);
- *flags = 1;
- break;
- case 'G':
- if (*flags)
- xtables_error(PARAMETER_PROBLEM,
- "DSCP target: Only use --set-dscp-class ONCE!");
- parse_class(optarg, dinfo);
- *flags = 1;
+ xtables_option_parse(cb);
+ switch (cb->entry->id) {
+ case O_SET_DSCP_CLASS:
+ dinfo->dscp = class_to_dscp(cb->arg);
break;
-
- default:
- return 0;
}
-
- return 1;
}
-static void DSCP_check(unsigned int flags)
+static void DSCP_check(struct xt_fcheck_call *cb)
{
- if (!flags)
+ if (cb->xflags == 0)
xtables_error(PARAMETER_PROBLEM,
"DSCP target: Parameter --set-dscp is required");
}
static void
-print_dscp(u_int8_t dscp, int numeric)
+print_dscp(uint8_t dscp, int numeric)
{
- printf("0x%02x ", dscp);
+ printf(" 0x%02x", dscp);
}
static void DSCP_print(const void *ip, const struct xt_entry_target *target,
@@ -117,7 +80,7 @@ static void DSCP_print(const void *ip, const struct xt_entry_target *target,
{
const struct xt_DSCP_info *dinfo =
(const struct xt_DSCP_info *)target->data;
- printf("DSCP set ");
+ printf(" DSCP set");
print_dscp(dinfo->dscp, numeric);
}
@@ -126,7 +89,7 @@ static void DSCP_save(const void *ip, const struct xt_entry_target *target)
const struct xt_DSCP_info *dinfo =
(const struct xt_DSCP_info *)target->data;
- printf("--set-dscp 0x%02x ", dinfo->dscp);
+ printf(" --set-dscp 0x%02x", dinfo->dscp);
}
static struct xtables_target dscp_target = {
@@ -136,11 +99,11 @@ static struct xtables_target dscp_target = {
.size = XT_ALIGN(sizeof(struct xt_DSCP_info)),
.userspacesize = XT_ALIGN(sizeof(struct xt_DSCP_info)),
.help = DSCP_help,
- .parse = DSCP_parse,
- .final_check = DSCP_check,
.print = DSCP_print,
.save = DSCP_save,
- .extra_opts = DSCP_opts,
+ .x6_parse = DSCP_parse,
+ .x6_fcheck = DSCP_check,
+ .x6_options = DSCP_opts,
};
void _init(void)