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authorMichael Adam <obnox@samba.org>2009-12-30 15:35:50 +0100
committerMichael Adam <obnox@samba.org>2010-01-07 11:07:55 +0100
commit7ac18c743b50b8cd63284326bd648675db63c557 (patch)
tree9c4bc3028acb307f3cec47830c11d5ba6455fe3d /source3
parentb5fcb34d6cd20c852208d2b8b785b2870c6d65db (diff)
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s3:auth:sam_password_ok: enhance readability (imho) by adding some pointers
and removing bool variables and several checks. Michael
Diffstat (limited to 'source3')
-rw-r--r--source3/auth/auth_sam.c41
1 files changed, 24 insertions, 17 deletions
diff --git a/source3/auth/auth_sam.c b/source3/auth/auth_sam.c
index 942f9ca6c4..381ad5b83c 100644
--- a/source3/auth/auth_sam.c
+++ b/source3/auth/auth_sam.c
@@ -40,9 +40,12 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context,
{
uint32 acct_ctrl;
const uint8 *lm_pw, *nt_pw;
- struct samr_Password lm_hash, nt_hash, client_lm_hash, client_nt_hash;
+ struct samr_Password _lm_hash, _nt_hash, _client_lm_hash, _client_nt_hash;
+ struct samr_Password *lm_hash = NULL;
+ struct samr_Password *nt_hash = NULL;
+ struct samr_Password *client_lm_hash = NULL;
+ struct samr_Password *client_nt_hash = NULL;
const char *username = pdb_get_username(sampass);
- bool got_lm = false, got_nt = false;
*user_sess_key = data_blob(NULL, 0);
*lm_sess_key = data_blob(NULL, 0);
@@ -60,32 +63,36 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context,
lm_pw = pdb_get_lanman_passwd(sampass);
nt_pw = pdb_get_nt_passwd(sampass);
+
if (lm_pw) {
- memcpy(lm_hash.hash, lm_pw, sizeof(lm_hash.hash));
+ memcpy(_lm_hash.hash, lm_pw, sizeof(_lm_hash.hash));
+ lm_hash = &_lm_hash;
}
if (nt_pw) {
- memcpy(nt_hash.hash, nt_pw, sizeof(nt_hash.hash));
+ memcpy(_nt_hash.hash, nt_pw, sizeof(_nt_hash.hash));
+ nt_hash = &_nt_hash;
}
- if (user_info->lm_interactive_pwd.data && sizeof(client_lm_hash.hash) == user_info->lm_interactive_pwd.length) {
- memcpy(client_lm_hash.hash, user_info->lm_interactive_pwd.data, sizeof(lm_hash.hash));
- got_lm = true;
+ if (user_info->lm_interactive_pwd.data && sizeof(_client_lm_hash.hash) == user_info->lm_interactive_pwd.length) {
+ memcpy(_client_lm_hash.hash, user_info->lm_interactive_pwd.data, sizeof(_lm_hash.hash));
+ client_lm_hash = &_client_lm_hash;
}
- if (user_info->nt_interactive_pwd.data && sizeof(client_nt_hash.hash) == user_info->nt_interactive_pwd.length) {
- memcpy(client_nt_hash.hash, user_info->nt_interactive_pwd.data, sizeof(nt_hash.hash));
- got_nt = true;
+ if (user_info->nt_interactive_pwd.data && sizeof(_client_nt_hash.hash) == user_info->nt_interactive_pwd.length) {
+ memcpy(_client_nt_hash.hash, user_info->nt_interactive_pwd.data, sizeof(_nt_hash.hash));
+ client_nt_hash = &_client_nt_hash;
}
- if (got_lm || got_nt) {
+
+ if (client_lm_hash || client_nt_hash) {
*user_sess_key = data_blob(mem_ctx, 16);
if (!user_sess_key->data) {
return NT_STATUS_NO_MEMORY;
}
SMBsesskeygen_ntv1(nt_pw, user_sess_key->data);
return hash_password_check(mem_ctx, lp_lanman_auth(),
- got_lm ? &client_lm_hash : NULL,
- got_nt ? &client_nt_hash : NULL,
+ client_lm_hash,
+ client_nt_hash,
username,
- lm_pw ? &lm_hash: NULL,
- nt_pw ? &nt_hash : NULL);
+ lm_hash,
+ nt_hash);
} else {
return ntlm_password_check(mem_ctx, lp_lanman_auth(),
lp_ntlm_auth(),
@@ -95,8 +102,8 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context,
username,
user_info->smb_name,
user_info->client_domain,
- lm_pw ? &lm_hash: NULL,
- nt_pw ? &nt_hash : NULL,
+ lm_hash,
+ nt_hash,
user_sess_key, lm_sess_key);
}
}