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* [libnftables PATCH] utils: fix error path for nft_strtoi
@ 2013-08-19 12:37 Arturo Borrero Gonzalez
  2013-08-20 11:09 ` Pablo Neira Ayuso
  0 siblings, 1 reply; 2+ messages in thread
From: Arturo Borrero Gonzalez @ 2013-08-19 12:37 UTC (permalink / raw)
  To: netfilter-devel

If the return of nft_get_value() is not evaluated, we don't know if the parsed
value is between the limits of his type.

Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
---
 0 files changed

diff --git a/src/utils.c b/src/utils.c
index 848eba9..9a0bcfe 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -103,6 +103,7 @@ int nft_get_value(enum nft_type type, void *val, void *out)
 
 int nft_strtoi(const char *string, int base, void *out, enum nft_type type)
 {
+	int ret;
 	int64_t sval = 0;
 	uint64_t uval = -1;
 	char *endptr;
@@ -113,14 +114,14 @@ int nft_strtoi(const char *string, int base, void *out, enum nft_type type)
 	case NFT_TYPE_U32:
 	case NFT_TYPE_U64:
 		uval = strtoll(string, &endptr, base);
-		nft_get_value(type, &uval, out);
+		ret = nft_get_value(type, &uval, out);
 		break;
 	case NFT_TYPE_S8:
 	case NFT_TYPE_S16:
 	case NFT_TYPE_S32:
 	case NFT_TYPE_S64:
 		sval = strtoull(string, &endptr, base);
-		nft_get_value(type, &sval, out);
+		ret = nft_get_value(type, &sval, out);
 		break;
 	default:
 		errno = EINVAL;
@@ -132,7 +133,7 @@ int nft_strtoi(const char *string, int base, void *out, enum nft_type type)
 		return -1;
 	}
 
-	return 0;
+	return ret;
 }
 
 const char *nft_verdict2str(uint32_t verdict)


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [libnftables PATCH] utils: fix error path for nft_strtoi
  2013-08-19 12:37 [libnftables PATCH] utils: fix error path for nft_strtoi Arturo Borrero Gonzalez
@ 2013-08-20 11:09 ` Pablo Neira Ayuso
  0 siblings, 0 replies; 2+ messages in thread
From: Pablo Neira Ayuso @ 2013-08-20 11:09 UTC (permalink / raw)
  To: Arturo Borrero Gonzalez; +Cc: netfilter-devel

On Mon, Aug 19, 2013 at 02:37:30PM +0200, Arturo Borrero Gonzalez wrote:
> If the return of nft_get_value() is not evaluated, we don't know if
> the parsed value is between the limits of his type.

Applied, thanks Arturo.

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2013-08-20 11:09 UTC | newest]

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