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authorJo-Philipp Wich <jow@openwrt.org>2013-02-11 21:58:42 +0000
committerJo-Philipp Wich <jow@openwrt.org>2013-02-11 21:58:42 +0000
commit916902b1d21c041bf8d86bc7aa9407758cbe8f4d (patch)
tree3460b2d0450406c8d94e9de8fa7071506df10a5f /package/network/utils/iptables/patches
parent1f9ede9cfcd72ff87d4a60de5dac71eb80407385 (diff)
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iptables: add --lenient switch to iptables-restore and ip6tables-restore that allows to skip erroneous lines
SVN-Revision: 35568
Diffstat (limited to 'package/network/utils/iptables/patches')
-rw-r--r--package/network/utils/iptables/patches/400-lenient-restore.patch172
1 files changed, 172 insertions, 0 deletions
diff --git a/package/network/utils/iptables/patches/400-lenient-restore.patch b/package/network/utils/iptables/patches/400-lenient-restore.patch
new file mode 100644
index 0000000000..1bf7371b1d
--- /dev/null
+++ b/package/network/utils/iptables/patches/400-lenient-restore.patch
@@ -0,0 +1,172 @@
+--- a/ip6tables-restore.c
++++ b/ip6tables-restore.c
+@@ -16,6 +16,8 @@
+ #include <string.h>
+ #include <stdio.h>
+ #include <stdlib.h>
++#include <stdarg.h>
++#include <setjmp.h>
+ #include "ip6tables.h"
+ #include "xtables.h"
+ #include "libiptc/libip6tc.h"
+@@ -27,6 +29,7 @@
+ #define DEBUGP(x, args...)
+ #endif
+
++static jmp_buf jmp;
+ static int binary = 0, counters = 0, verbose = 0, noflush = 0;
+
+ /* Keeping track of external matches and targets. */
+@@ -37,6 +40,7 @@ static const struct option options[] = {
+ {.name = "test", .has_arg = false, .val = 't'},
+ {.name = "help", .has_arg = false, .val = 'h'},
+ {.name = "noflush", .has_arg = false, .val = 'n'},
++ {.name = "lenient", .has_arg = false, .val = 'l'},
+ {.name = "modprobe", .has_arg = true, .val = 'M'},
+ {NULL},
+ };
+@@ -52,6 +56,7 @@ static void print_usage(const char *name
+ " [ --test ]\n"
+ " [ --help ]\n"
+ " [ --noflush ]\n"
++ " [ --lenient ]\n"
+ " [ --modprobe=<command>]\n", name);
+
+ exit(1);
+@@ -114,6 +119,17 @@ static void free_argv(void) {
+ free(newargv[i]);
+ }
+
++static void catch_exit_error(enum xtables_exittype status, const char *msg, ...)
++{
++ va_list args;
++ fprintf(stderr, "line %d: ", line);
++ va_start(args, msg);
++ vfprintf(stderr, msg, args);
++ va_end(args);
++ fprintf(stderr, "\n");
++ longjmp(jmp, status);
++}
++
+ #ifdef IPTABLES_MULTI
+ int ip6tables_restore_main(int argc, char *argv[])
+ #else
+@@ -141,7 +157,7 @@ int main(int argc, char *argv[])
+ init_extensions();
+ #endif
+
+- while ((c = getopt_long(argc, argv, "bcvthnM:", options, NULL)) != -1) {
++ while ((c = getopt_long(argc, argv, "bcvthnlM:", options, NULL)) != -1) {
+ switch (c) {
+ case 'b':
+ binary = 1;
+@@ -162,6 +178,9 @@ int main(int argc, char *argv[])
+ case 'n':
+ noflush = 1;
+ break;
++ case 'l':
++ ip6tables_globals.exit_err = catch_exit_error;
++ break;
+ case 'M':
+ xtables_modprobe_program = optarg;
+ break;
+@@ -440,8 +459,11 @@ int main(int argc, char *argv[])
+ for (a = 0; a < newargc; a++)
+ DEBUGP("argv[%u]: %s\n", a, newargv[a]);
+
+- ret = do_command6(newargc, newargv,
+- &newargv[2], &handle);
++ if (!setjmp(jmp))
++ ret = do_command6(newargc, newargv,
++ &newargv[2], &handle);
++ else
++ ret = 1;
+
+ free_argv();
+ fflush(stdout);
+--- a/iptables-restore.c
++++ b/iptables-restore.c
+@@ -13,6 +13,8 @@
+ #include <string.h>
+ #include <stdio.h>
+ #include <stdlib.h>
++#include <stdarg.h>
++#include <setjmp.h>
+ #include "iptables.h"
+ #include "xtables.h"
+ #include "libiptc/libiptc.h"
+@@ -24,6 +26,7 @@
+ #define DEBUGP(x, args...)
+ #endif
+
++static jmp_buf jmp;
+ static int binary = 0, counters = 0, verbose = 0, noflush = 0;
+
+ /* Keeping track of external matches and targets. */
+@@ -34,6 +37,7 @@ static const struct option options[] = {
+ {.name = "test", .has_arg = false, .val = 't'},
+ {.name = "help", .has_arg = false, .val = 'h'},
+ {.name = "noflush", .has_arg = false, .val = 'n'},
++ {.name = "lenient", .has_arg = false, .val = 'l'},
+ {.name = "modprobe", .has_arg = true, .val = 'M'},
+ {.name = "table", .has_arg = true, .val = 'T'},
+ {NULL},
+@@ -52,6 +56,7 @@ static void print_usage(const char *name
+ " [ --test ]\n"
+ " [ --help ]\n"
+ " [ --noflush ]\n"
++ " [ --lenient ]\n"
+ " [ --table=<TABLE> ]\n"
+ " [ --modprobe=<command>]\n", name);
+
+@@ -114,6 +119,17 @@ static void free_argv(void) {
+ free(newargv[i]);
+ }
+
++static void catch_exit_error(enum xtables_exittype status, const char *msg, ...)
++{
++ va_list args;
++ fprintf(stderr, "line %d: ", line);
++ va_start(args, msg);
++ vfprintf(stderr, msg, args);
++ va_end(args);
++ fprintf(stderr, "\n");
++ longjmp(jmp, status);
++}
++
+ #ifdef IPTABLES_MULTI
+ int
+ iptables_restore_main(int argc, char *argv[])
+@@ -144,7 +160,7 @@ main(int argc, char *argv[])
+ init_extensions();
+ #endif
+
+- while ((c = getopt_long(argc, argv, "bcvthnM:T:", options, NULL)) != -1) {
++ while ((c = getopt_long(argc, argv, "bcvthnlM:T:", options, NULL)) != -1) {
+ switch (c) {
+ case 'b':
+ binary = 1;
+@@ -165,6 +181,9 @@ main(int argc, char *argv[])
+ case 'n':
+ noflush = 1;
+ break;
++ case 'l':
++ iptables_globals.exit_err = catch_exit_error;
++ break;
+ case 'M':
+ xtables_modprobe_program = optarg;
+ break;
+@@ -445,8 +464,11 @@ main(int argc, char *argv[])
+ for (a = 0; a < newargc; a++)
+ DEBUGP("argv[%u]: %s\n", a, newargv[a]);
+
+- ret = do_command(newargc, newargv,
+- &newargv[2], &handle);
++ if (!setjmp(jmp))
++ ret = do_command(newargc, newargv,
++ &newargv[2], &handle);
++ else
++ ret = 1;
+
+ free_argv();
+ fflush(stdout);