From 916902b1d21c041bf8d86bc7aa9407758cbe8f4d Mon Sep 17 00:00:00 2001 From: Jo-Philipp Wich Date: Mon, 11 Feb 2013 21:58:42 +0000 Subject: iptables: add --lenient switch to iptables-restore and ip6tables-restore that allows to skip erroneous lines SVN-Revision: 35568 --- .../iptables/patches/400-lenient-restore.patch | 172 +++++++++++++++++++++ 1 file changed, 172 insertions(+) create mode 100644 package/network/utils/iptables/patches/400-lenient-restore.patch (limited to 'package/network/utils/iptables/patches') 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 + #include + #include ++#include ++#include + #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=]\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 + #include + #include ++#include ++#include + #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= ]\n" + " [ --modprobe=]\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); -- cgit v1.2.3