173 lines
4.8 KiB
Diff
173 lines
4.8 KiB
Diff
--- a/iptables/ip6tables-restore.c
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+++ b/iptables/ip6tables-restore.c
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@@ -14,6 +14,8 @@
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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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@@ -25,6 +27,7 @@
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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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@@ -35,6 +38,7 @@ 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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@@ -51,6 +55,7 @@ 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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static void add_param_to_argv(char *parsestart)
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{
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int quote_open = 0, escaped = 0, param_len = 0;
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@@ -204,7 +220,7 @@ int ip6tables_restore_main(int argc, cha
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init_extensions6();
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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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@@ -225,6 +241,9 @@ int ip6tables_restore_main(int argc, cha
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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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@@ -437,8 +456,11 @@ int ip6tables_restore_main(int argc, cha
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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, true);
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+ if (!setjmp(jmp))
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+ ret = do_command6(newargc, newargv,
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+ &newargv[2], &handle, true);
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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/iptables-restore.c
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+++ b/iptables/iptables-restore.c
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@@ -11,6 +11,8 @@
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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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@@ -22,6 +24,7 @@
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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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@@ -32,6 +35,7 @@ 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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@@ -50,6 +54,7 @@ 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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@@ -113,6 +118,17 @@ 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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static void add_param_to_argv(char *parsestart)
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{
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int quote_open = 0, escaped = 0, param_len = 0;
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@@ -204,7 +220,7 @@ iptables_restore_main(int argc, char *ar
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init_extensions4();
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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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@@ -225,6 +241,9 @@ iptables_restore_main(int argc, char *ar
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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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@@ -437,8 +456,11 @@ iptables_restore_main(int argc, char *ar
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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_command4(newargc, newargv,
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- &newargv[2], &handle, true);
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+ if (!setjmp(jmp))
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+ ret = do_command4(newargc, newargv,
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+ &newargv[2], &handle, true);
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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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