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Message-ID: <20141125003238.GA17207@www.outflux.net>
Date: Mon, 24 Nov 2014 16:32:38 -0800
From: Kees Cook <keescook@...omium.org>
To: Herbert Xu <herbert@...dor.apana.org.au>
Cc: linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
Mathias Krause <minipli@...glemail.com>
Subject: [PATCH v3] crypto: include crypto- module prefix in template
This adds the module loading prefix "crypto-" to the template lookup
as well.
For example, attempting to load 'vfat(blowfish)' via AF_ALG now correctly
includes the "crypto-" prefix at every level, correctly rejecting "vfat":
net-pf-38
algif-hash
crypto-vfat(blowfish)
crypto-vfat(blowfish)-all
crypto-vfat
Reported-by: Mathias Krause <minipli@...glemail.com>
Signed-off-by: Kees Cook <keescook@...omium.org>
Acked-by: Mathias Krause <minipli@...glemail.com>
---
v3:
- added a few more missing aliases, minipli
v2:
- added missing aliases, minipli
---
arch/x86/crypto/fpu.c | 3 +++
crypto/algapi.c | 4 ++--
crypto/authenc.c | 1 +
crypto/authencesn.c | 1 +
crypto/cbc.c | 1 +
crypto/ccm.c | 1 +
crypto/chainiv.c | 1 +
crypto/cmac.c | 1 +
crypto/cryptd.c | 1 +
crypto/ctr.c | 1 +
crypto/cts.c | 1 +
crypto/ecb.c | 1 +
crypto/eseqiv.c | 1 +
crypto/gcm.c | 1 +
crypto/hmac.c | 1 +
crypto/lrw.c | 1 +
crypto/mcryptd.c | 1 +
crypto/pcbc.c | 1 +
crypto/pcrypt.c | 1 +
crypto/seqiv.c | 1 +
crypto/vmac.c | 1 +
crypto/xcbc.c | 1 +
crypto/xts.c | 1 +
23 files changed, 26 insertions(+), 2 deletions(-)
diff --git a/arch/x86/crypto/fpu.c b/arch/x86/crypto/fpu.c
index 98d7a188f46b..f368ba261739 100644
--- a/arch/x86/crypto/fpu.c
+++ b/arch/x86/crypto/fpu.c
@@ -17,6 +17,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
+#include <linux/crypto.h>
#include <asm/i387.h>
struct crypto_fpu_ctx {
@@ -159,3 +160,5 @@ void __exit crypto_fpu_exit(void)
{
crypto_unregister_template(&crypto_fpu_tmpl);
}
+
+MODULE_ALIAS_CRYPTO("fpu");
diff --git a/crypto/algapi.c b/crypto/algapi.c
index e8d3a7dca8c4..71a8143e23b1 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -509,8 +509,8 @@ static struct crypto_template *__crypto_lookup_template(const char *name)
struct crypto_template *crypto_lookup_template(const char *name)
{
- return try_then_request_module(__crypto_lookup_template(name), "%s",
- name);
+ return try_then_request_module(__crypto_lookup_template(name),
+ "crypto-%s", name);
}
EXPORT_SYMBOL_GPL(crypto_lookup_template);
diff --git a/crypto/authenc.c b/crypto/authenc.c
index e1223559d5df..78fb16cab13f 100644
--- a/crypto/authenc.c
+++ b/crypto/authenc.c
@@ -721,3 +721,4 @@ module_exit(crypto_authenc_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Simple AEAD wrapper for IPsec");
+MODULE_ALIAS_CRYPTO("authenc");
diff --git a/crypto/authencesn.c b/crypto/authencesn.c
index 4be0dd4373a9..024bff2344fc 100644
--- a/crypto/authencesn.c
+++ b/crypto/authencesn.c
@@ -814,3 +814,4 @@ module_exit(crypto_authenc_esn_module_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Steffen Klassert <steffen.klassert@...unet.com>");
MODULE_DESCRIPTION("AEAD wrapper for IPsec with extended sequence numbers");
+MODULE_ALIAS_CRYPTO("authencesn");
diff --git a/crypto/cbc.c b/crypto/cbc.c
index 61ac42e1e32b..780ee27b2d43 100644
--- a/crypto/cbc.c
+++ b/crypto/cbc.c
@@ -289,3 +289,4 @@ module_exit(crypto_cbc_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("CBC block cipher algorithm");
+MODULE_ALIAS_CRYPTO("cbc");
diff --git a/crypto/ccm.c b/crypto/ccm.c
index 647575b41281..003bbbd21a2b 100644
--- a/crypto/ccm.c
+++ b/crypto/ccm.c
@@ -881,3 +881,4 @@ MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Counter with CBC MAC");
MODULE_ALIAS_CRYPTO("ccm_base");
MODULE_ALIAS_CRYPTO("rfc4309");
+MODULE_ALIAS_CRYPTO("ccm");
diff --git a/crypto/chainiv.c b/crypto/chainiv.c
index 9c294c8f9a07..63c17d5992f7 100644
--- a/crypto/chainiv.c
+++ b/crypto/chainiv.c
@@ -359,3 +359,4 @@ module_exit(chainiv_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Chain IV Generator");
+MODULE_ALIAS_CRYPTO("chainiv");
diff --git a/crypto/cmac.c b/crypto/cmac.c
index 50880cf17fad..7a8bfbd548f6 100644
--- a/crypto/cmac.c
+++ b/crypto/cmac.c
@@ -313,3 +313,4 @@ module_exit(crypto_cmac_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("CMAC keyed hash algorithm");
+MODULE_ALIAS_CRYPTO("cmac");
diff --git a/crypto/cryptd.c b/crypto/cryptd.c
index e592c90abebb..650afac10fd7 100644
--- a/crypto/cryptd.c
+++ b/crypto/cryptd.c
@@ -955,3 +955,4 @@ module_exit(cryptd_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Software async crypto daemon");
+MODULE_ALIAS_CRYPTO("cryptd");
diff --git a/crypto/ctr.c b/crypto/ctr.c
index 3d81ff7e6b48..2386f7313952 100644
--- a/crypto/ctr.c
+++ b/crypto/ctr.c
@@ -467,3 +467,4 @@ module_exit(crypto_ctr_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("CTR Counter block mode");
MODULE_ALIAS_CRYPTO("rfc3686");
+MODULE_ALIAS_CRYPTO("ctr");
diff --git a/crypto/cts.c b/crypto/cts.c
index 133f0874c95e..bd9405820e8a 100644
--- a/crypto/cts.c
+++ b/crypto/cts.c
@@ -351,3 +351,4 @@ module_exit(crypto_cts_module_exit);
MODULE_LICENSE("Dual BSD/GPL");
MODULE_DESCRIPTION("CTS-CBC CipherText Stealing for CBC");
+MODULE_ALIAS_CRYPTO("cts");
diff --git a/crypto/ecb.c b/crypto/ecb.c
index 935cfef4aa84..12011aff0971 100644
--- a/crypto/ecb.c
+++ b/crypto/ecb.c
@@ -185,3 +185,4 @@ module_exit(crypto_ecb_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("ECB block cipher algorithm");
+MODULE_ALIAS_CRYPTO("ecb");
diff --git a/crypto/eseqiv.c b/crypto/eseqiv.c
index bf7ab4a89493..f116fae766f8 100644
--- a/crypto/eseqiv.c
+++ b/crypto/eseqiv.c
@@ -267,3 +267,4 @@ module_exit(eseqiv_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Encrypted Sequence Number IV Generator");
+MODULE_ALIAS_CRYPTO("eseqiv");
diff --git a/crypto/gcm.c b/crypto/gcm.c
index aefb74a3f522..2e403f6138c1 100644
--- a/crypto/gcm.c
+++ b/crypto/gcm.c
@@ -1444,3 +1444,4 @@ MODULE_AUTHOR("Mikko Herranen <mh1@....fi>");
MODULE_ALIAS_CRYPTO("gcm_base");
MODULE_ALIAS_CRYPTO("rfc4106");
MODULE_ALIAS_CRYPTO("rfc4543");
+MODULE_ALIAS_CRYPTO("gcm");
diff --git a/crypto/hmac.c b/crypto/hmac.c
index e392219ddc61..72e38c098bb3 100644
--- a/crypto/hmac.c
+++ b/crypto/hmac.c
@@ -268,3 +268,4 @@ module_exit(hmac_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("HMAC hash algorithm");
+MODULE_ALIAS_CRYPTO("hmac");
diff --git a/crypto/lrw.c b/crypto/lrw.c
index ba42acc4deba..6f9908a7ebcb 100644
--- a/crypto/lrw.c
+++ b/crypto/lrw.c
@@ -400,3 +400,4 @@ module_exit(crypto_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("LRW block cipher mode");
+MODULE_ALIAS_CRYPTO("lrw");
diff --git a/crypto/mcryptd.c b/crypto/mcryptd.c
index b39fbd530102..a8e870444ea9 100644
--- a/crypto/mcryptd.c
+++ b/crypto/mcryptd.c
@@ -703,3 +703,4 @@ module_exit(mcryptd_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Software async multibuffer crypto daemon");
+MODULE_ALIAS_CRYPTO("mcryptd");
diff --git a/crypto/pcbc.c b/crypto/pcbc.c
index d1b8bdfb5855..f654965f0933 100644
--- a/crypto/pcbc.c
+++ b/crypto/pcbc.c
@@ -295,3 +295,4 @@ module_exit(crypto_pcbc_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("PCBC block cipher algorithm");
+MODULE_ALIAS_CRYPTO("pcbc");
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c
index 309d345ead95..c305d4112735 100644
--- a/crypto/pcrypt.c
+++ b/crypto/pcrypt.c
@@ -565,3 +565,4 @@ module_exit(pcrypt_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Steffen Klassert <steffen.klassert@...unet.com>");
MODULE_DESCRIPTION("Parallel crypto wrapper");
+MODULE_ALIAS_CRYPTO("pcrypt");
diff --git a/crypto/seqiv.c b/crypto/seqiv.c
index ee190fcedcd2..9daa854cc485 100644
--- a/crypto/seqiv.c
+++ b/crypto/seqiv.c
@@ -362,3 +362,4 @@ module_exit(seqiv_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Sequence Number IV Generator");
+MODULE_ALIAS_CRYPTO("seqiv");
diff --git a/crypto/vmac.c b/crypto/vmac.c
index d84c24bd7ff7..df76a816cfb2 100644
--- a/crypto/vmac.c
+++ b/crypto/vmac.c
@@ -713,3 +713,4 @@ module_exit(vmac_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("VMAC hash algorithm");
+MODULE_ALIAS_CRYPTO("vmac");
diff --git a/crypto/xcbc.c b/crypto/xcbc.c
index a5fbdf3738cf..df90b332554c 100644
--- a/crypto/xcbc.c
+++ b/crypto/xcbc.c
@@ -286,3 +286,4 @@ module_exit(crypto_xcbc_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("XCBC keyed hash algorithm");
+MODULE_ALIAS_CRYPTO("xcbc");
diff --git a/crypto/xts.c b/crypto/xts.c
index ca1608f44cb5..f6fd43f100c8 100644
--- a/crypto/xts.c
+++ b/crypto/xts.c
@@ -362,3 +362,4 @@ module_exit(crypto_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("XTS block cipher mode");
+MODULE_ALIAS_CRYPTO("xts");
--
1.9.1
--
Kees Cook
Chrome OS Security
--
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