173 lines
4.6 KiB
Diff
173 lines
4.6 KiB
Diff
--- a/ip6tables-restore.c
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+++ b/ip6tables-restore.c
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@@ -16,6 +16,8 @@
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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+#include <stdarg.h>
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+#include <setjmp.h>
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#include "ip6tables.h"
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#include "xtables.h"
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#include "libiptc/libip6tc.h"
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@@ -27,6 +29,7 @@
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#define DEBUGP(x, args...)
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#endif
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+static jmp_buf jmp;
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static int binary = 0, counters = 0, verbose = 0, noflush = 0;
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/* Keeping track of external matches and targets. */
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@@ -37,6 +40,7 @@ static const struct option options[] = {
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{.name = "test", .has_arg = false, .val = 't'},
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{.name = "help", .has_arg = false, .val = 'h'},
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{.name = "noflush", .has_arg = false, .val = 'n'},
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+ {.name = "lenient", .has_arg = false, .val = 'l'},
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{.name = "modprobe", .has_arg = true, .val = 'M'},
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{NULL},
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};
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@@ -52,6 +56,7 @@ static void print_usage(const char *name
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" [ --test ]\n"
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" [ --help ]\n"
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" [ --noflush ]\n"
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+ " [ --lenient ]\n"
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" [ --modprobe=<command>]\n", name);
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exit(1);
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@@ -114,6 +119,17 @@ static void free_argv(void) {
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free(newargv[i]);
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}
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+static void catch_exit_error(enum xtables_exittype status, const char *msg, ...)
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+{
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+ va_list args;
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+ fprintf(stderr, "line %d: ", line);
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+ va_start(args, msg);
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+ vfprintf(stderr, msg, args);
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+ va_end(args);
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+ fprintf(stderr, "\n");
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+ longjmp(jmp, status);
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+}
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+
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#ifdef IPTABLES_MULTI
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int ip6tables_restore_main(int argc, char *argv[])
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#else
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@@ -141,7 +157,7 @@ int main(int argc, char *argv[])
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init_extensions();
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#endif
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- while ((c = getopt_long(argc, argv, "bcvthnM:", options, NULL)) != -1) {
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+ while ((c = getopt_long(argc, argv, "bcvthnlM:", options, NULL)) != -1) {
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switch (c) {
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case 'b':
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binary = 1;
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@@ -162,6 +178,9 @@ int main(int argc, char *argv[])
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case 'n':
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noflush = 1;
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break;
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+ case 'l':
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+ ip6tables_globals.exit_err = catch_exit_error;
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+ break;
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case 'M':
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xtables_modprobe_program = optarg;
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break;
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@@ -440,8 +459,11 @@ int main(int argc, char *argv[])
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for (a = 0; a < newargc; a++)
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DEBUGP("argv[%u]: %s\n", a, newargv[a]);
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- ret = do_command6(newargc, newargv,
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- &newargv[2], &handle);
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+ if (!setjmp(jmp))
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+ ret = do_command6(newargc, newargv,
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+ &newargv[2], &handle);
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+ else
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+ ret = 1;
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free_argv();
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fflush(stdout);
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--- a/iptables-restore.c
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+++ b/iptables-restore.c
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@@ -13,6 +13,8 @@
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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+#include <stdarg.h>
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+#include <setjmp.h>
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#include "iptables.h"
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#include "xtables.h"
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#include "libiptc/libiptc.h"
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@@ -24,6 +26,7 @@
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#define DEBUGP(x, args...)
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#endif
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+static jmp_buf jmp;
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static int binary = 0, counters = 0, verbose = 0, noflush = 0;
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/* Keeping track of external matches and targets. */
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@@ -34,6 +37,7 @@ static const struct option options[] = {
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{.name = "test", .has_arg = false, .val = 't'},
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{.name = "help", .has_arg = false, .val = 'h'},
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{.name = "noflush", .has_arg = false, .val = 'n'},
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+ {.name = "lenient", .has_arg = false, .val = 'l'},
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{.name = "modprobe", .has_arg = true, .val = 'M'},
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{.name = "table", .has_arg = true, .val = 'T'},
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{NULL},
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@@ -52,6 +56,7 @@ static void print_usage(const char *name
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" [ --test ]\n"
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" [ --help ]\n"
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" [ --noflush ]\n"
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+ " [ --lenient ]\n"
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" [ --table=<TABLE> ]\n"
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" [ --modprobe=<command>]\n", name);
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@@ -114,6 +119,17 @@ static void free_argv(void) {
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free(newargv[i]);
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}
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+static void catch_exit_error(enum xtables_exittype status, const char *msg, ...)
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+{
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+ va_list args;
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+ fprintf(stderr, "line %d: ", line);
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+ va_start(args, msg);
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+ vfprintf(stderr, msg, args);
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+ va_end(args);
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+ fprintf(stderr, "\n");
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+ longjmp(jmp, status);
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+}
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+
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#ifdef IPTABLES_MULTI
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int
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iptables_restore_main(int argc, char *argv[])
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@@ -144,7 +160,7 @@ main(int argc, char *argv[])
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init_extensions();
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#endif
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- while ((c = getopt_long(argc, argv, "bcvthnM:T:", options, NULL)) != -1) {
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+ while ((c = getopt_long(argc, argv, "bcvthnlM:T:", options, NULL)) != -1) {
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switch (c) {
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case 'b':
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binary = 1;
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@@ -165,6 +181,9 @@ main(int argc, char *argv[])
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case 'n':
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noflush = 1;
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break;
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+ case 'l':
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+ iptables_globals.exit_err = catch_exit_error;
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+ break;
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case 'M':
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xtables_modprobe_program = optarg;
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break;
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@@ -445,8 +464,11 @@ main(int argc, char *argv[])
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for (a = 0; a < newargc; a++)
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DEBUGP("argv[%u]: %s\n", a, newargv[a]);
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- ret = do_command(newargc, newargv,
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- &newargv[2], &handle);
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+ if (!setjmp(jmp))
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+ ret = do_command(newargc, newargv,
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+ &newargv[2], &handle);
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+ else
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+ ret = 1;
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free_argv();
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fflush(stdout);
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