diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-31 12:56:27 +1000 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-31 12:56:27 +1000 |
commit | 9fbf0c08d441888b977f7c459c8aa57f2c0cb6ad (patch) | |
tree | 000bfa464562b2432e7f9e7c371a40f4f24e4c7a /fs/cifs/cifsencrypt.c | |
parent | 4fda116852fe21a3897c478ce64b77bb1ec6b3d6 (diff) | |
parent | ee2c9258501f83d3ed0fd09ce5df1cec53312cf0 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
cifs: More crypto cleanup (try #2)
CIFS: Add strictcache mount option
CIFS: Implement cifs_strict_writev (try #4)
[CIFS] Replace cifs md5 hashing functions with kernel crypto APIs
Diffstat (limited to 'fs/cifs/cifsencrypt.c')
-rw-r--r-- | fs/cifs/cifsencrypt.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c index 66f3d50d0676..0db5f1de0227 100644 --- a/fs/cifs/cifsencrypt.c +++ b/fs/cifs/cifsencrypt.c @@ -24,7 +24,6 @@ #include "cifspdu.h" #include "cifsglob.h" #include "cifs_debug.h" -#include "md5.h" #include "cifs_unicode.h" #include "cifsproto.h" #include "ntlmssp.h" @@ -37,11 +36,6 @@ /* Note that the smb header signature field on input contains the sequence number before this function is called */ -extern void mdfour(unsigned char *out, unsigned char *in, int n); -extern void E_md4hash(const unsigned char *passwd, unsigned char *p16); -extern void SMBencrypt(unsigned char *passwd, const unsigned char *c8, - unsigned char *p24); - static int cifs_calculate_signature(const struct smb_hdr *cifs_pdu, struct TCP_Server_Info *server, char *signature) { @@ -234,6 +228,7 @@ int cifs_verify_signature(struct smb_hdr *cifs_pdu, /* first calculate 24 bytes ntlm response and then 16 byte session key */ int setup_ntlm_response(struct cifsSesInfo *ses) { + int rc = 0; unsigned int temp_len = CIFS_SESS_KEY_SIZE + CIFS_AUTH_RESP_SIZE; char temp_key[CIFS_SESS_KEY_SIZE]; @@ -247,13 +242,26 @@ int setup_ntlm_response(struct cifsSesInfo *ses) } ses->auth_key.len = temp_len; - SMBNTencrypt(ses->password, ses->server->cryptkey, + rc = SMBNTencrypt(ses->password, ses->server->cryptkey, ses->auth_key.response + CIFS_SESS_KEY_SIZE); + if (rc) { + cFYI(1, "%s Can't generate NTLM response, error: %d", + __func__, rc); + return rc; + } + + rc = E_md4hash(ses->password, temp_key); + if (rc) { + cFYI(1, "%s Can't generate NT hash, error: %d", __func__, rc); + return rc; + } - E_md4hash(ses->password, temp_key); - mdfour(ses->auth_key.response, temp_key, CIFS_SESS_KEY_SIZE); + rc = mdfour(ses->auth_key.response, temp_key, CIFS_SESS_KEY_SIZE); + if (rc) + cFYI(1, "%s Can't generate NTLM session key, error: %d", + __func__, rc); - return 0; + return rc; } #ifdef CONFIG_CIFS_WEAK_PW_HASH @@ -700,14 +708,13 @@ cifs_crypto_shash_allocate(struct TCP_Server_Info *server) unsigned int size; server->secmech.hmacmd5 = crypto_alloc_shash("hmac(md5)", 0, 0); - if (!server->secmech.hmacmd5 || - IS_ERR(server->secmech.hmacmd5)) { + if (IS_ERR(server->secmech.hmacmd5)) { cERROR(1, "could not allocate crypto hmacmd5\n"); return PTR_ERR(server->secmech.hmacmd5); } server->secmech.md5 = crypto_alloc_shash("md5", 0, 0); - if (!server->secmech.md5 || IS_ERR(server->secmech.md5)) { + if (IS_ERR(server->secmech.md5)) { cERROR(1, "could not allocate crypto md5\n"); rc = PTR_ERR(server->secmech.md5); goto crypto_allocate_md5_fail; |