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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Jan Engelhardt <jengelh@medozas.de>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH 2/9] iptables-save: remove binary dumping dead code
Date: Mon, 12 Sep 2011 11:32:53 +0200	[thread overview]
Message-ID: <20110912093253.GC2194@1984> (raw)
In-Reply-To: <1315755359-7012-3-git-send-email-jengelh@medozas.de>

On Sun, Sep 11, 2011 at 05:35:51PM +0200, Jan Engelhardt wrote:
> Was never implemented, kill it.
> 
> Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
> ---
>  iptables/ip6tables-save.c |   80 +++++++++++++++++++--------------------------
>  iptables/iptables-save.c  |   80 +++++++++++++++++++--------------------------
>  2 files changed, 68 insertions(+), 92 deletions(-)
> 
> diff --git a/iptables/ip6tables-save.c b/iptables/ip6tables-save.c
> index ad0e70f..38b0c2f 100644
> --- a/iptables/ip6tables-save.c
> +++ b/iptables/ip6tables-save.c
> @@ -22,10 +22,9 @@
>  #include <dlfcn.h>
>  #endif
>  
> -static int show_binary = 0, show_counters = 0;
> +static int show_counters = 0;
>  
>  static const struct option options[] = {
> -	{.name = "binary",   .has_arg = false, .val = 'b'},

Please, better something less agressive like displaying a message
telling "-b option was never implemented, ignoring it".

So if anyone, for some strange reason, is using it, their scripts will
not break.

I know this may sound a bit nitpicking but I think it's good to make
sure that we don't break anything.

Thanks.

>  	{.name = "counters", .has_arg = false, .val = 'c'},
>  	{.name = "dump",     .has_arg = false, .val = 'd'},
>  	{.name = "table",    .has_arg = true,  .val = 't'},
> @@ -76,52 +75,45 @@ static int do_output(const char *tablename)
>  		xtables_error(OTHER_PROBLEM, "Cannot initialize: %s\n",
>  			   ip6tc_strerror(errno));
>  
> -	if (!show_binary) {
> -		time_t now = time(NULL);
> -
> -		printf("# Generated by ip6tables-save v%s on %s",
> -		       IPTABLES_VERSION, ctime(&now));
> -		printf("*%s\n", tablename);
> -
> -		/* Dump out chain names first,
> -		 * thereby preventing dependency conflicts */
> -		for (chain = ip6tc_first_chain(h);
> -		     chain;
> -		     chain = ip6tc_next_chain(h)) {
> -
> -			printf(":%s ", chain);
> -			if (ip6tc_builtin(chain, h)) {
> -				struct ip6t_counters count;
> -				printf("%s ",
> -				       ip6tc_get_policy(chain, &count, h));
> -				printf("[%llu:%llu]\n", (unsigned long long)count.pcnt, (unsigned long long)count.bcnt);
> -			} else {
> -				printf("- [0:0]\n");
> -			}
> +	time_t now = time(NULL);
> +
> +	printf("# Generated by ip6tables-save v%s on %s",
> +	       IPTABLES_VERSION, ctime(&now));
> +	printf("*%s\n", tablename);
> +
> +	/* Dump out chain names first,
> +	 * thereby preventing dependency conflicts */
> +	for (chain = ip6tc_first_chain(h);
> +	     chain;
> +	     chain = ip6tc_next_chain(h)) {
> +
> +		printf(":%s ", chain);
> +		if (ip6tc_builtin(chain, h)) {
> +			struct ip6t_counters count;
> +			printf("%s ",
> +			       ip6tc_get_policy(chain, &count, h));
> +			printf("[%llu:%llu]\n", (unsigned long long)count.pcnt, (unsigned long long)count.bcnt);
> +		} else {
> +			printf("- [0:0]\n");
>  		}
> +	}
>  
> +	for (chain = ip6tc_first_chain(h);
> +	     chain;
> +	     chain = ip6tc_next_chain(h)) {
> +		const struct ip6t_entry *e;
>  
> -		for (chain = ip6tc_first_chain(h);
> -		     chain;
> -		     chain = ip6tc_next_chain(h)) {
> -			const struct ip6t_entry *e;
> -
> -			/* Dump out rules */
> -			e = ip6tc_first_rule(chain, h);
> -			while(e) {
> -				print_rule6(e, h, chain, show_counters);
> -				e = ip6tc_next_rule(e, h);
> -			}
> +		/* Dump out rules */
> +		e = ip6tc_first_rule(chain, h);
> +		while(e) {
> +			print_rule6(e, h, chain, show_counters);
> +			e = ip6tc_next_rule(e, h);
>  		}
> -
> -		now = time(NULL);
> -		printf("COMMIT\n");
> -		printf("# Completed on %s", ctime(&now));
> -	} else {
> -		/* Binary, huh?  OK. */
> -		xtables_error(OTHER_PROBLEM, "Binary NYI\n");
>  	}
>  
> +	now = time(NULL);
> +	printf("COMMIT\n");
> +	printf("# Completed on %s", ctime(&now));
>  	ip6tc_free(h);
>  
>  	return 1;
> @@ -151,10 +143,6 @@ int ip6tables_save_main(int argc, char *argv[])
>  
>  	while ((c = getopt_long(argc, argv, "bcdt:", options, NULL)) != -1) {
>  		switch (c) {
> -		case 'b':
> -			show_binary = 1;
> -			break;
> -
>  		case 'c':
>  			show_counters = 1;
>  			break;
> diff --git a/iptables/iptables-save.c b/iptables/iptables-save.c
> index 73fba12..a25a186 100644
> --- a/iptables/iptables-save.c
> +++ b/iptables/iptables-save.c
> @@ -21,10 +21,9 @@
>  #include <dlfcn.h>
>  #endif
>  
> -static int show_binary = 0, show_counters = 0;
> +static int show_counters = 0;
>  
>  static const struct option options[] = {
> -	{.name = "binary",   .has_arg = false, .val = 'b'},
>  	{.name = "counters", .has_arg = false, .val = 'c'},
>  	{.name = "dump",     .has_arg = false, .val = 'd'},
>  	{.name = "table",    .has_arg = true,  .val = 't'},
> @@ -74,52 +73,45 @@ static int do_output(const char *tablename)
>  		xtables_error(OTHER_PROBLEM, "Cannot initialize: %s\n",
>  			   iptc_strerror(errno));
>  
> -	if (!show_binary) {
> -		time_t now = time(NULL);
> -
> -		printf("# Generated by iptables-save v%s on %s",
> -		       IPTABLES_VERSION, ctime(&now));
> -		printf("*%s\n", tablename);
> -
> -		/* Dump out chain names first,
> -		 * thereby preventing dependency conflicts */
> -		for (chain = iptc_first_chain(h);
> -		     chain;
> -		     chain = iptc_next_chain(h)) {
> -
> -			printf(":%s ", chain);
> -			if (iptc_builtin(chain, h)) {
> -				struct ipt_counters count;
> -				printf("%s ",
> -				       iptc_get_policy(chain, &count, h));
> -				printf("[%llu:%llu]\n", (unsigned long long)count.pcnt, (unsigned long long)count.bcnt);
> -			} else {
> -				printf("- [0:0]\n");
> -			}
> +	time_t now = time(NULL);
> +
> +	printf("# Generated by iptables-save v%s on %s",
> +	       IPTABLES_VERSION, ctime(&now));
> +	printf("*%s\n", tablename);
> +
> +	/* Dump out chain names first,
> +	 * thereby preventing dependency conflicts */
> +	for (chain = iptc_first_chain(h);
> +	     chain;
> +	     chain = iptc_next_chain(h)) {
> +
> +		printf(":%s ", chain);
> +		if (iptc_builtin(chain, h)) {
> +			struct ipt_counters count;
> +			printf("%s ",
> +			       iptc_get_policy(chain, &count, h));
> +			printf("[%llu:%llu]\n", (unsigned long long)count.pcnt, (unsigned long long)count.bcnt);
> +		} else {
> +			printf("- [0:0]\n");
>  		}
> +	}
>  
> +	for (chain = iptc_first_chain(h);
> +	     chain;
> +	     chain = iptc_next_chain(h)) {
> +		const struct ipt_entry *e;
>  
> -		for (chain = iptc_first_chain(h);
> -		     chain;
> -		     chain = iptc_next_chain(h)) {
> -			const struct ipt_entry *e;
> -
> -			/* Dump out rules */
> -			e = iptc_first_rule(chain, h);
> -			while(e) {
> -				print_rule4(e, h, chain, show_counters);
> -				e = iptc_next_rule(e, h);
> -			}
> +		/* Dump out rules */
> +		e = iptc_first_rule(chain, h);
> +		while(e) {
> +			print_rule4(e, h, chain, show_counters);
> +			e = iptc_next_rule(e, h);
>  		}
> -
> -		now = time(NULL);
> -		printf("COMMIT\n");
> -		printf("# Completed on %s", ctime(&now));
> -	} else {
> -		/* Binary, huh?  OK. */
> -		xtables_error(OTHER_PROBLEM, "Binary NYI\n");
>  	}
>  
> +	now = time(NULL);
> +	printf("COMMIT\n");
> +	printf("# Completed on %s", ctime(&now));
>  	iptc_free(h);
>  
>  	return 1;
> @@ -150,10 +142,6 @@ iptables_save_main(int argc, char *argv[])
>  
>  	while ((c = getopt_long(argc, argv, "bcdt:", options, NULL)) != -1) {
>  		switch (c) {
> -		case 'b':
> -			show_binary = 1;
> -			break;
> -
>  		case 'c':
>  			show_counters = 1;
>  			break;
> -- 
> 1.7.3.4
> 
> --
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  reply	other threads:[~2011-09-12  9:33 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-11 15:35 iptables: libiptc, cleanups Jan Engelhardt
2011-09-11 15:35 ` [PATCH 1/9] libiptc: resolve compile failure Jan Engelhardt
2011-09-11 15:35 ` [PATCH 2/9] iptables-save: remove binary dumping dead code Jan Engelhardt
2011-09-12  9:32   ` Pablo Neira Ayuso [this message]
2011-09-12 10:48     ` Jan Engelhardt
2011-09-12 18:52       ` Pablo Neira Ayuso
2011-09-11 15:35 ` [PATCH 3/9] libiptc: remove unused HOOK_DROPPING thing Jan Engelhardt
2011-09-11 15:35 ` [PATCH 4/9] libiptc: combine common types Jan Engelhardt
2011-09-12  9:36   ` Pablo Neira Ayuso
2011-09-12 10:43     ` Jan Engelhardt
2011-09-12 18:38       ` Pablo Neira Ayuso
2011-09-11 15:35 ` [PATCH 5/9] libiptc: replace ipt_chainlabel by xt_chainlabel Jan Engelhardt
2011-09-11 15:35 ` [PATCH 6/9] libiptc: combine common types: _handle Jan Engelhardt
2011-09-11 15:35 ` [PATCH 7/9] src: resolve old macro names that are indirections Jan Engelhardt
2011-09-11 15:35 ` [PATCH 8/9] libiptc: use a family-invariant xtc_ops struct for code reduction Jan Engelhardt
2011-09-11 15:35 ` [PATCH 9/9] ip6tables-restore: make code look alike with iptables-restore Jan Engelhardt

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