Messages in this thread Patch in this message |  | | From | Ben Hutchings <> | Date | Tue, 17 Feb 2015 01:46:53 +0000 | Subject | [PATCH 3.2 106/152] crypto: include crypto- module prefix in template |
| |
3.2.67-rc1 review patch. If anyone has any objections, please let me know.
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From: Kees Cook <keescook@chromium.org>
commit 4943ba16bbc2db05115707b3ff7b4874e9e3c560 upstream.
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@googlemail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> [bwh: Backported to 3.2: drop changes to cmac and mcryptd which we don't have] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- --- 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"); --- a/crypto/algapi.c +++ b/crypto/algapi.c @@ -477,8 +477,8 @@ static struct crypto_template *__crypto_ 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); --- a/crypto/authenc.c +++ b/crypto/authenc.c @@ -710,3 +710,4 @@ module_exit(crypto_authenc_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Simple AEAD wrapper for IPsec"); +MODULE_ALIAS_CRYPTO("authenc"); --- a/crypto/authencesn.c +++ b/crypto/authencesn.c @@ -833,3 +833,4 @@ module_exit(crypto_authenc_esn_module_ex MODULE_LICENSE("GPL"); MODULE_AUTHOR("Steffen Klassert <steffen.klassert@secunet.com>"); MODULE_DESCRIPTION("AEAD wrapper for IPsec with extended sequence numbers"); +MODULE_ALIAS_CRYPTO("authencesn"); --- 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"); --- a/crypto/ccm.c +++ b/crypto/ccm.c @@ -890,3 +890,4 @@ MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Counter with CBC MAC"); MODULE_ALIAS_CRYPTO("ccm_base"); MODULE_ALIAS_CRYPTO("rfc4309"); +MODULE_ALIAS_CRYPTO("ccm"); --- a/crypto/chainiv.c +++ b/crypto/chainiv.c @@ -360,3 +360,4 @@ module_exit(chainiv_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Chain IV Generator"); +MODULE_ALIAS_CRYPTO("chainiv"); --- 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"); --- a/crypto/ctr.c +++ b/crypto/ctr.c @@ -422,3 +422,4 @@ module_exit(crypto_ctr_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("CTR Counter block mode"); MODULE_ALIAS_CRYPTO("rfc3686"); +MODULE_ALIAS_CRYPTO("ctr"); --- 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"); --- 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"); --- 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"); --- a/crypto/gcm.c +++ b/crypto/gcm.c @@ -1377,3 +1377,4 @@ MODULE_AUTHOR("Mikko Herranen <mh1@iki.f MODULE_ALIAS_CRYPTO("gcm_base"); MODULE_ALIAS_CRYPTO("rfc4106"); MODULE_ALIAS_CRYPTO("rfc4543"); +MODULE_ALIAS_CRYPTO("gcm"); --- a/crypto/hmac.c +++ b/crypto/hmac.c @@ -271,3 +271,4 @@ module_exit(hmac_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("HMAC hash algorithm"); +MODULE_ALIAS_CRYPTO("hmac"); --- a/crypto/lrw.c +++ b/crypto/lrw.c @@ -312,3 +312,4 @@ module_exit(crypto_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("LRW block cipher mode"); +MODULE_ALIAS_CRYPTO("lrw"); --- 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"); --- 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@secunet.com>"); MODULE_DESCRIPTION("Parallel crypto wrapper"); +MODULE_ALIAS_CRYPTO("pcrypt"); --- a/crypto/seqiv.c +++ b/crypto/seqiv.c @@ -363,3 +363,4 @@ module_exit(seqiv_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Sequence Number IV Generator"); +MODULE_ALIAS_CRYPTO("seqiv"); --- a/crypto/vmac.c +++ b/crypto/vmac.c @@ -673,4 +673,5 @@ module_exit(vmac_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("VMAC hash algorithm"); +MODULE_ALIAS_CRYPTO("vmac"); --- 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"); --- a/crypto/xts.c +++ b/crypto/xts.c @@ -289,3 +289,4 @@ module_exit(crypto_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("XTS block cipher mode"); +MODULE_ALIAS_CRYPTO("xts");
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