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-rw-r--r--extensions/libxt_CONNMARK.c271
-rw-r--r--extensions/libxt_connmark.c98
2 files changed, 134 insertions, 235 deletions
diff --git a/extensions/libxt_CONNMARK.c b/extensions/libxt_CONNMARK.c
index dbb9dc50..5d5351e3 100644
--- a/extensions/libxt_CONNMARK.c
+++ b/extensions/libxt_CONNMARK.c
@@ -20,13 +20,9 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdbool.h>
+#include <stdint.h>
#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_CONNMARK.h>
struct xt_connmark_target_info {
@@ -36,8 +32,28 @@ struct xt_connmark_target_info {
};
enum {
- F_MARK = 1 << 0,
- F_SR_MARK = 1 << 1,
+ O_SET_MARK = 0,
+ O_SAVE_MARK,
+ O_RESTORE_MARK,
+ O_AND_MARK,
+ O_OR_MARK,
+ O_XOR_MARK,
+ O_SET_XMARK,
+ O_CTMASK,
+ O_NFMASK,
+ O_MASK,
+ F_SET_MARK = 1 << O_SET_MARK,
+ F_SAVE_MARK = 1 << O_SAVE_MARK,
+ F_RESTORE_MARK = 1 << O_RESTORE_MARK,
+ F_AND_MARK = 1 << O_AND_MARK,
+ F_OR_MARK = 1 << O_OR_MARK,
+ F_XOR_MARK = 1 << O_XOR_MARK,
+ F_SET_XMARK = 1 << O_SET_XMARK,
+ F_CTMASK = 1 << O_CTMASK,
+ F_NFMASK = 1 << O_NFMASK,
+ F_MASK = 1 << O_MASK,
+ F_OP_ANY = F_SET_MARK | F_SAVE_MARK | F_RESTORE_MARK |
+ F_AND_MARK | F_OR_MARK | F_XOR_MARK | F_SET_XMARK,
};
static void CONNMARK_help(void)
@@ -49,27 +65,44 @@ static void CONNMARK_help(void)
" --restore-mark [--mask mask] Restore saved nfmark value\n");
}
-static const struct option CONNMARK_opts[] = {
- {.name = "set-mark", .has_arg = true, .val = '1'},
- {.name = "save-mark", .has_arg = false, .val = '2'},
- {.name = "restore-mark", .has_arg = false, .val = '3'},
- {.name = "mask", .has_arg = true, .val = '4'},
- XT_GETOPT_TABLEEND,
+#define s struct xt_connmark_target_info
+static const struct xt_option_entry CONNMARK_opts[] = {
+ {.name = "set-mark", .id = O_SET_MARK, .type = XTTYPE_MARKMASK32,
+ .excl = F_OP_ANY},
+ {.name = "save-mark", .id = O_SAVE_MARK, .type = XTTYPE_NONE,
+ .excl = F_OP_ANY},
+ {.name = "restore-mark", .id = O_RESTORE_MARK, .type = XTTYPE_NONE,
+ .excl = F_OP_ANY},
+ {.name = "mask", .id = O_MASK, .type = XTTYPE_UINT32},
+ XTOPT_TABLEEND,
};
-
-static const struct option connmark_tg_opts[] = {
- {.name = "set-xmark", .has_arg = true, .val = '='},
- {.name = "set-mark", .has_arg = true, .val = '-'},
- {.name = "and-mark", .has_arg = true, .val = '&'},
- {.name = "or-mark", .has_arg = true, .val = '|'},
- {.name = "xor-mark", .has_arg = true, .val = '^'},
- {.name = "save-mark", .has_arg = false, .val = 'S'},
- {.name = "restore-mark", .has_arg = false, .val = 'R'},
- {.name = "ctmask", .has_arg = true, .val = 'c'},
- {.name = "nfmask", .has_arg = true, .val = 'n'},
- {.name = "mask", .has_arg = true, .val = 'm'},
- XT_GETOPT_TABLEEND,
+#undef s
+
+#define s struct xt_connmark_tginfo1
+static const struct xt_option_entry connmark_tg_opts[] = {
+ {.name = "set-xmark", .id = O_SET_XMARK, .type = XTTYPE_MARKMASK32,
+ .excl = F_OP_ANY},
+ {.name = "set-mark", .id = O_SET_MARK, .type = XTTYPE_MARKMASK32,
+ .excl = F_OP_ANY},
+ {.name = "and-mark", .id = O_AND_MARK, .type = XTTYPE_UINT32,
+ .excl = F_OP_ANY},
+ {.name = "or-mark", .id = O_OR_MARK, .type = XTTYPE_UINT32,
+ .excl = F_OP_ANY},
+ {.name = "xor-mark", .id = O_XOR_MARK, .type = XTTYPE_UINT32,
+ .excl = F_OP_ANY},
+ {.name = "save-mark", .id = O_SAVE_MARK, .type = XTTYPE_NONE,
+ .excl = F_OP_ANY},
+ {.name = "restore-mark", .id = O_RESTORE_MARK, .type = XTTYPE_NONE,
+ .excl = F_OP_ANY},
+ {.name = "ctmask", .id = O_CTMASK, .type = XTTYPE_UINT32,
+ .excl = F_MASK, .flags = XTOPT_PUT, XTOPT_POINTER(s, ctmask)},
+ {.name = "nfmask", .id = O_NFMASK, .type = XTTYPE_UINT32,
+ .excl = F_MASK, .flags = XTOPT_PUT, XTOPT_POINTER(s, nfmask)},
+ {.name = "mask", .id = O_MASK, .type = XTTYPE_UINT32,
+ .excl = F_CTMASK | F_NFMASK},
+ XTOPT_TABLEEND,
};
+#undef s
static void connmark_tg_help(void)
{
@@ -101,163 +134,75 @@ static void connmark_tg_init(struct xt_entry_target *target)
info->nfmask = UINT32_MAX;
}
-static int
-CONNMARK_parse(int c, char **argv, int invert, unsigned int *flags,
- const void *entry, struct xt_entry_target **target)
+static void CONNMARK_parse(struct xt_option_call *cb)
{
- struct xt_connmark_target_info *markinfo
- = (struct xt_connmark_target_info *)(*target)->data;
+ struct xt_connmark_target_info *markinfo = cb->data;
- switch (c) {
- char *end;
- case '1':
+ xtables_option_parse(cb);
+ switch (cb->entry->id) {
+ case O_SET_MARK:
markinfo->mode = XT_CONNMARK_SET;
-
- markinfo->mark = strtoul(optarg, &end, 0);
- if (*end == '/' && end[1] != '\0')
- markinfo->mask = strtoul(end+1, &end, 0);
-
- if (*end != '\0' || end == optarg)
- xtables_error(PARAMETER_PROBLEM, "Bad MARK value \"%s\"", optarg);
- if (*flags)
- xtables_error(PARAMETER_PROBLEM,
- "CONNMARK target: Can't specify --set-mark twice");
- *flags = 1;
+ markinfo->mark = cb->val.mark;
+ markinfo->mask = cb->val.mask;
break;
- case '2':
+ case O_SAVE_MARK:
markinfo->mode = XT_CONNMARK_SAVE;
- if (*flags)
- xtables_error(PARAMETER_PROBLEM,
- "CONNMARK target: Can't specify --save-mark twice");
- *flags = 1;
break;
- case '3':
+ case O_RESTORE_MARK:
markinfo->mode = XT_CONNMARK_RESTORE;
- if (*flags)
- xtables_error(PARAMETER_PROBLEM,
- "CONNMARK target: Can't specify --restore-mark twice");
- *flags = 1;
break;
- case '4':
- if (!*flags)
- xtables_error(PARAMETER_PROBLEM,
- "CONNMARK target: Can't specify --mask without a operation");
- markinfo->mask = strtoul(optarg, &end, 0);
-
- if (*end != '\0' || end == optarg)
- xtables_error(PARAMETER_PROBLEM, "Bad MASK value \"%s\"", optarg);
+ case O_MASK:
+ markinfo->mask = cb->val.u32;
break;
}
-
- return 1;
}
-static int connmark_tg_parse(int c, char **argv, int invert,
- unsigned int *flags, const void *entry,
- struct xt_entry_target **target)
+static void connmark_tg_parse(struct xt_option_call *cb)
{
- struct xt_connmark_tginfo1 *info = (void *)(*target)->data;
- unsigned int value, mask = UINT32_MAX;
- char *end;
+ struct xt_connmark_tginfo1 *info = cb->data;
- switch (c) {
- case '=': /* --set-xmark */
- case '-': /* --set-mark */
- xtables_param_act(XTF_ONE_ACTION, "CONNMARK", *flags & F_MARK);
- if (!xtables_strtoui(optarg, &end, &value, 0, UINT32_MAX))
- xtables_param_act(XTF_BAD_VALUE, "CONNMARK", "--set-xmark/--set-mark", optarg);
- if (*end == '/')
- if (!xtables_strtoui(end + 1, &end, &mask, 0, UINT32_MAX))
- xtables_param_act(XTF_BAD_VALUE, "CONNMARK", "--set-xmark/--set-mark", optarg);
- if (*end != '\0')
- xtables_param_act(XTF_BAD_VALUE, "CONNMARK", "--set-xmark/--set-mark", optarg);
+ xtables_option_parse(cb);
+ switch (cb->entry->id) {
+ case O_SET_XMARK:
info->mode = XT_CONNMARK_SET;
- info->ctmark = value;
- info->ctmask = mask;
- if (c == '-')
- info->ctmask |= value;
- *flags |= F_MARK;
- return true;
-
- case '&': /* --and-mark */
- xtables_param_act(XTF_ONE_ACTION, "CONNMARK", *flags & F_MARK);
- if (!xtables_strtoui(optarg, NULL, &mask, 0, UINT32_MAX))
- xtables_param_act(XTF_BAD_VALUE, "CONNMARK", "--and-mark", optarg);
+ info->ctmark = cb->val.mark;
+ info->ctmask = cb->val.mask;
+ break;
+ case O_SET_MARK:
+ info->mode = XT_CONNMARK_SET;
+ info->ctmark = cb->val.mark;
+ info->ctmask = cb->val.mark | cb->val.mask;
+ break;
+ case O_AND_MARK:
info->mode = XT_CONNMARK_SET;
info->ctmark = 0;
- info->ctmask = ~mask;
- *flags |= F_MARK;
- return true;
-
- case '|': /* --or-mark */
- xtables_param_act(XTF_ONE_ACTION, "CONNMARK", *flags & F_MARK);
- if (!xtables_strtoui(optarg, NULL, &value, 0, UINT32_MAX))
- xtables_param_act(XTF_BAD_VALUE, "CONNMARK", "--or-mark", optarg);
+ info->ctmask = ~cb->val.u32;
+ break;
+ case O_OR_MARK:
info->mode = XT_CONNMARK_SET;
- info->ctmark = value;
- info->ctmask = value;
- *flags |= F_MARK;
- return true;
-
- case '^': /* --xor-mark */
- xtables_param_act(XTF_ONE_ACTION, "CONNMARK", *flags & F_MARK);
- if (!xtables_strtoui(optarg, NULL, &value, 0, UINT32_MAX))
- xtables_param_act(XTF_BAD_VALUE, "CONNMARK", "--xor-mark", optarg);
+ info->ctmark = cb->val.u32;
+ info->ctmask = cb->val.u32;
+ break;
+ case O_XOR_MARK:
info->mode = XT_CONNMARK_SET;
- info->ctmark = value;
+ info->ctmark = cb->val.u32;
info->ctmask = 0;
- *flags |= F_MARK;
- return true;
-
- case 'S': /* --save-mark */
- xtables_param_act(XTF_ONE_ACTION, "CONNMARK", *flags & F_MARK);
+ break;
+ case O_SAVE_MARK:
info->mode = XT_CONNMARK_SAVE;
- *flags |= F_MARK | F_SR_MARK;
- return true;
-
- case 'R': /* --restore-mark */
- xtables_param_act(XTF_ONE_ACTION, "CONNMARK", *flags & F_MARK);
+ break;
+ case O_RESTORE_MARK:
info->mode = XT_CONNMARK_RESTORE;
- *flags |= F_MARK | F_SR_MARK;
- return true;
-
- case 'n': /* --nfmask */
- if (!(*flags & F_SR_MARK))
- xtables_error(PARAMETER_PROBLEM, "CONNMARK: --save-mark "
- "or --restore-mark is required for "
- "--nfmask");
- if (!xtables_strtoui(optarg, NULL, &value, 0, UINT32_MAX))
- xtables_param_act(XTF_BAD_VALUE, "CONNMARK", "--nfmask", optarg);
- info->nfmask = value;
- return true;
-
- case 'c': /* --ctmask */
- if (!(*flags & F_SR_MARK))
- xtables_error(PARAMETER_PROBLEM, "CONNMARK: --save-mark "
- "or --restore-mark is required for "
- "--ctmask");
- if (!xtables_strtoui(optarg, NULL, &value, 0, UINT32_MAX))
- xtables_param_act(XTF_BAD_VALUE, "CONNMARK", "--ctmask", optarg);
- info->ctmask = value;
- return true;
-
- case 'm': /* --mask */
- if (!(*flags & F_SR_MARK))
- xtables_error(PARAMETER_PROBLEM, "CONNMARK: --save-mark "
- "or --restore-mark is required for "
- "--mask");
- if (!xtables_strtoui(optarg, NULL, &value, 0, UINT32_MAX))
- xtables_param_act(XTF_BAD_VALUE, "CONNMARK", "--mask", optarg);
- info->nfmask = info->ctmask = value;
- return true;
+ break;
+ case O_MASK:
+ info->nfmask = info->ctmask = cb->val.u32;
+ break;
}
-
- return false;
}
-static void connmark_tg_check(unsigned int flags)
+static void connmark_tg_check(struct xt_fcheck_call *cb)
{
- if (!flags)
+ if (!(cb->xflags & F_OP_ANY))
xtables_error(PARAMETER_PROBLEM,
"CONNMARK target: No operation specified");
}
@@ -412,11 +357,11 @@ static struct xtables_target connmark_tg_reg[] = {
.userspacesize = XT_ALIGN(sizeof(struct xt_connmark_target_info)),
.help = CONNMARK_help,
.init = CONNMARK_init,
- .parse = CONNMARK_parse,
- .final_check = connmark_tg_check,
.print = CONNMARK_print,
.save = CONNMARK_save,
- .extra_opts = CONNMARK_opts,
+ .x6_parse = CONNMARK_parse,
+ .x6_fcheck = connmark_tg_check,
+ .x6_options = CONNMARK_opts,
},
{
.version = XTABLES_VERSION,
@@ -427,11 +372,11 @@ static struct xtables_target connmark_tg_reg[] = {
.userspacesize = XT_ALIGN(sizeof(struct xt_connmark_tginfo1)),
.help = connmark_tg_help,
.init = connmark_tg_init,
- .parse = connmark_tg_parse,
- .final_check = connmark_tg_check,
.print = connmark_tg_print,
.save = connmark_tg_save,
- .extra_opts = connmark_tg_opts,
+ .x6_parse = connmark_tg_parse,
+ .x6_fcheck = connmark_tg_check,
+ .x6_options = connmark_tg_opts,
},
};
diff --git a/extensions/libxt_connmark.c b/extensions/libxt_connmark.c
index a0e89fe7..6f1d5323 100644
--- a/extensions/libxt_connmark.c
+++ b/extensions/libxt_connmark.c
@@ -20,12 +20,8 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdbool.h>
+#include <stdint.h>
#include <stdio.h>
-#include <netdb.h>
-#include <string.h>
-#include <stdlib.h>
-#include <getopt.h>
-
#include <xtables.h>
#include <linux/netfilter/xt_connmark.h>
@@ -35,7 +31,7 @@ struct xt_connmark_info {
};
enum {
- F_MARK = 1 << 0,
+ O_MARK = 0,
};
static void connmark_mt_help(void)
@@ -45,65 +41,32 @@ static void connmark_mt_help(void)
"[!] --mark value[/mask] Match ctmark value with optional mask\n");
}
-static const struct option connmark_mt_opts[] = {
- {.name = "mark", .has_arg = true, .val = '1'},
- XT_GETOPT_TABLEEND,
+static const struct xt_option_entry connmark_mt_opts[] = {
+ {.name = "mark", .id = O_MARK, .type = XTTYPE_MARKMASK32,
+ .flags = XTOPT_MAND | XTOPT_INVERT},
+ XTOPT_TABLEEND,
};
-static int
-connmark_mt_parse(int c, char **argv, int invert, unsigned int *flags,
- const void *entry, struct xt_entry_match **match)
+static void connmark_mt_parse(struct xt_option_call *cb)
{
- struct xt_connmark_mtinfo1 *info = (void *)(*match)->data;
- unsigned int mark, mask = UINT32_MAX;
- char *end;
-
- switch (c) {
- case '1': /* --mark */
- xtables_param_act(XTF_ONLY_ONCE, "connmark", "--mark", *flags & F_MARK);
- if (!xtables_strtoui(optarg, &end, &mark, 0, UINT32_MAX))
- xtables_param_act(XTF_BAD_VALUE, "connmark", "--mark", optarg);
- if (*end == '/')
- if (!xtables_strtoui(end + 1, &end, &mask, 0, UINT32_MAX))
- xtables_param_act(XTF_BAD_VALUE, "connmark", "--mark", optarg);
- if (*end != '\0')
- xtables_param_act(XTF_BAD_VALUE, "connmark", "--mark", optarg);
-
- if (invert)
- info->invert = true;
- info->mark = mark;
- info->mask = mask;
- *flags |= F_MARK;
- return true;
- }
- return false;
+ struct xt_connmark_mtinfo1 *info = cb->data;
+
+ xtables_option_parse(cb);
+ if (cb->invert)
+ info->invert = true;
+ info->mark = cb->val.mark;
+ info->mask = cb->val.mask;
}
-static int
-connmark_parse(int c, char **argv, int invert, unsigned int *flags,
- const void *entry, struct xt_entry_match **match)
+static void connmark_parse(struct xt_option_call *cb)
{
- struct xt_connmark_info *markinfo = (struct xt_connmark_info *)(*match)->data;
-
- switch (c) {
- char *end;
- case '1':
- xtables_check_inverse(optarg, &invert, &optind, 0, argv);
-
- markinfo->mark = strtoul(optarg, &end, 0);
- markinfo->mask = 0xffffffffUL;
-
- if (*end == '/')
- markinfo->mask = strtoul(end+1, &end, 0);
-
- if (*end != '\0' || end == optarg)
- xtables_error(PARAMETER_PROBLEM, "Bad MARK value \"%s\"", optarg);
- if (invert)
- markinfo->invert = 1;
- *flags = 1;
- break;
- }
- return 1;
+ struct xt_connmark_info *markinfo = cb->data;
+
+ xtables_option_parse(cb);
+ markinfo->mark = cb->val.mark;
+ markinfo->mask = cb->val.mask;
+ if (cb->invert)
+ markinfo->invert = 1;
}
static void print_mark(unsigned int mark, unsigned int mask)
@@ -114,13 +77,6 @@ static void print_mark(unsigned int mark, unsigned int mask)
printf(" 0x%x", mark);
}
-static void connmark_mt_check(unsigned int flags)
-{
- if (flags == 0)
- xtables_error(PARAMETER_PROBLEM,
- "connmark: The --mark option is required");
-}
-
static void
connmark_print(const void *ip, const struct xt_entry_match *match, int numeric)
{
@@ -175,11 +131,10 @@ static struct xtables_match connmark_mt_reg[] = {
.size = XT_ALIGN(sizeof(struct xt_connmark_info)),
.userspacesize = XT_ALIGN(sizeof(struct xt_connmark_info)),
.help = connmark_mt_help,
- .parse = connmark_parse,
- .final_check = connmark_mt_check,
.print = connmark_print,
.save = connmark_save,
- .extra_opts = connmark_mt_opts,
+ .x6_parse = connmark_parse,
+ .x6_options = connmark_mt_opts,
},
{
.version = XTABLES_VERSION,
@@ -189,11 +144,10 @@ static struct xtables_match connmark_mt_reg[] = {
.size = XT_ALIGN(sizeof(struct xt_connmark_mtinfo1)),
.userspacesize = XT_ALIGN(sizeof(struct xt_connmark_mtinfo1)),
.help = connmark_mt_help,
- .parse = connmark_mt_parse,
- .final_check = connmark_mt_check,
.print = connmark_mt_print,
.save = connmark_mt_save,
- .extra_opts = connmark_mt_opts,
+ .x6_parse = connmark_mt_parse,
+ .x6_options = connmark_mt_opts,
},
};