Browse Source

crypto: Stop using NLA_PUT*().

These macros contain a hidden goto, and are thus extremely error
prone and make code hard to audit.

Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller 13 years ago
parent
commit
6662df33f8
8 changed files with 38 additions and 38 deletions
  1. 6 6
      crypto/ablkcipher.c
  2. 6 6
      crypto/aead.c
  3. 3 3
      crypto/ahash.c
  4. 3 3
      crypto/blkcipher.c
  5. 11 11
      crypto/crypto_user.c
  6. 3 3
      crypto/pcompress.c
  7. 3 3
      crypto/rng.c
  8. 3 3
      crypto/shash.c

+ 6 - 6
crypto/ablkcipher.c

@@ -397,9 +397,9 @@ static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 	rblkcipher.max_keysize = alg->cra_ablkcipher.max_keysize;
 	rblkcipher.ivsize = alg->cra_ablkcipher.ivsize;
 
-	NLA_PUT(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
-		sizeof(struct crypto_report_blkcipher), &rblkcipher);
-
+	if (nla_put(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
+		    sizeof(struct crypto_report_blkcipher), &rblkcipher))
+		goto nla_put_failure;
 	return 0;
 
 nla_put_failure:
@@ -478,9 +478,9 @@ static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 	rblkcipher.max_keysize = alg->cra_ablkcipher.max_keysize;
 	rblkcipher.ivsize = alg->cra_ablkcipher.ivsize;
 
-	NLA_PUT(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
-		sizeof(struct crypto_report_blkcipher), &rblkcipher);
-
+	if (nla_put(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
+		    sizeof(struct crypto_report_blkcipher), &rblkcipher))
+		goto nla_put_failure;
 	return 0;
 
 nla_put_failure:

+ 6 - 6
crypto/aead.c

@@ -125,9 +125,9 @@ static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
 	raead.maxauthsize = aead->maxauthsize;
 	raead.ivsize = aead->ivsize;
 
-	NLA_PUT(skb, CRYPTOCFGA_REPORT_AEAD,
-		sizeof(struct crypto_report_aead), &raead);
-
+	if (nla_put(skb, CRYPTOCFGA_REPORT_AEAD,
+		    sizeof(struct crypto_report_aead), &raead))
+		goto nla_put_failure;
 	return 0;
 
 nla_put_failure:
@@ -210,9 +210,9 @@ static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
 	raead.maxauthsize = aead->maxauthsize;
 	raead.ivsize = aead->ivsize;
 
-	NLA_PUT(skb, CRYPTOCFGA_REPORT_AEAD,
-		sizeof(struct crypto_report_aead), &raead);
-
+	if (nla_put(skb, CRYPTOCFGA_REPORT_AEAD,
+		    sizeof(struct crypto_report_aead), &raead))
+		goto nla_put_failure;
 	return 0;
 
 nla_put_failure:

+ 3 - 3
crypto/ahash.c

@@ -409,9 +409,9 @@ static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg)
 	rhash.blocksize = alg->cra_blocksize;
 	rhash.digestsize = __crypto_hash_alg_common(alg)->digestsize;
 
-	NLA_PUT(skb, CRYPTOCFGA_REPORT_HASH,
-		sizeof(struct crypto_report_hash), &rhash);
-
+	if (nla_put(skb, CRYPTOCFGA_REPORT_HASH,
+		    sizeof(struct crypto_report_hash), &rhash))
+		goto nla_put_failure;
 	return 0;
 
 nla_put_failure:

+ 3 - 3
crypto/blkcipher.c

@@ -508,9 +508,9 @@ static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 	rblkcipher.max_keysize = alg->cra_blkcipher.max_keysize;
 	rblkcipher.ivsize = alg->cra_blkcipher.ivsize;
 
-	NLA_PUT(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
-		sizeof(struct crypto_report_blkcipher), &rblkcipher);
-
+	if (nla_put(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
+		    sizeof(struct crypto_report_blkcipher), &rblkcipher))
+		goto nla_put_failure;
 	return 0;
 
 nla_put_failure:

+ 11 - 11
crypto/crypto_user.c

@@ -77,9 +77,9 @@ static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg)
 	rcipher.min_keysize = alg->cra_cipher.cia_min_keysize;
 	rcipher.max_keysize = alg->cra_cipher.cia_max_keysize;
 
-	NLA_PUT(skb, CRYPTOCFGA_REPORT_CIPHER,
-		sizeof(struct crypto_report_cipher), &rcipher);
-
+	if (nla_put(skb, CRYPTOCFGA_REPORT_CIPHER,
+		    sizeof(struct crypto_report_cipher), &rcipher))
+		goto nla_put_failure;
 	return 0;
 
 nla_put_failure:
@@ -92,9 +92,9 @@ static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg)
 
 	snprintf(rcomp.type, CRYPTO_MAX_ALG_NAME, "%s", "compression");
 
-	NLA_PUT(skb, CRYPTOCFGA_REPORT_COMPRESS,
-		sizeof(struct crypto_report_comp), &rcomp);
-
+	if (nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS,
+		    sizeof(struct crypto_report_comp), &rcomp))
+		goto nla_put_failure;
 	return 0;
 
 nla_put_failure:
@@ -113,16 +113,16 @@ static int crypto_report_one(struct crypto_alg *alg,
 	ualg->cru_flags = alg->cra_flags;
 	ualg->cru_refcnt = atomic_read(&alg->cra_refcnt);
 
-	NLA_PUT_U32(skb, CRYPTOCFGA_PRIORITY_VAL, alg->cra_priority);
-
+	if (nla_put_u32(skb, CRYPTOCFGA_PRIORITY_VAL, alg->cra_priority))
+		goto nla_put_failure;
 	if (alg->cra_flags & CRYPTO_ALG_LARVAL) {
 		struct crypto_report_larval rl;
 
 		snprintf(rl.type, CRYPTO_MAX_ALG_NAME, "%s", "larval");
 
-		NLA_PUT(skb, CRYPTOCFGA_REPORT_LARVAL,
-			sizeof(struct crypto_report_larval), &rl);
-
+		if (nla_put(skb, CRYPTOCFGA_REPORT_LARVAL,
+			    sizeof(struct crypto_report_larval), &rl))
+			goto nla_put_failure;
 		goto out;
 	}
 

+ 3 - 3
crypto/pcompress.c

@@ -55,9 +55,9 @@ static int crypto_pcomp_report(struct sk_buff *skb, struct crypto_alg *alg)
 
 	snprintf(rpcomp.type, CRYPTO_MAX_ALG_NAME, "%s", "pcomp");
 
-	NLA_PUT(skb, CRYPTOCFGA_REPORT_COMPRESS,
-		sizeof(struct crypto_report_comp), &rpcomp);
-
+	if (nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS,
+		    sizeof(struct crypto_report_comp), &rpcomp))
+		goto nla_put_failure;
 	return 0;
 
 nla_put_failure:

+ 3 - 3
crypto/rng.c

@@ -69,9 +69,9 @@ static int crypto_rng_report(struct sk_buff *skb, struct crypto_alg *alg)
 
 	rrng.seedsize = alg->cra_rng.seedsize;
 
-	NLA_PUT(skb, CRYPTOCFGA_REPORT_RNG,
-		sizeof(struct crypto_report_rng), &rrng);
-
+	if (nla_put(skb, CRYPTOCFGA_REPORT_RNG,
+		    sizeof(struct crypto_report_rng), &rrng))
+		goto nla_put_failure;
 	return 0;
 
 nla_put_failure:

+ 3 - 3
crypto/shash.c

@@ -534,9 +534,9 @@ static int crypto_shash_report(struct sk_buff *skb, struct crypto_alg *alg)
 	rhash.blocksize = alg->cra_blocksize;
 	rhash.digestsize = salg->digestsize;
 
-	NLA_PUT(skb, CRYPTOCFGA_REPORT_HASH,
-		sizeof(struct crypto_report_hash), &rhash);
-
+	if (nla_put(skb, CRYPTOCFGA_REPORT_HASH,
+		    sizeof(struct crypto_report_hash), &rhash))
+		goto nla_put_failure;
 	return 0;
 
 nla_put_failure: