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Diffstat (limited to 'source3/libsmb/ntlmssp.c')
-rw-r--r--source3/libsmb/ntlmssp.c87
1 files changed, 41 insertions, 46 deletions
diff --git a/source3/libsmb/ntlmssp.c b/source3/libsmb/ntlmssp.c
index aa45fc518a..cc13476935 100644
--- a/source3/libsmb/ntlmssp.c
+++ b/source3/libsmb/ntlmssp.c
@@ -148,7 +148,7 @@ static NTSTATUS set_challenge(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *ch
NTSTATUS ntlmssp_set_username(NTLMSSP_STATE *ntlmssp_state, const char *user)
{
- ntlmssp_state->user = talloc_strdup(ntlmssp_state->mem_ctx, user ? user : "" );
+ ntlmssp_state->user = talloc_strdup(ntlmssp_state, user ? user : "" );
if (!ntlmssp_state->user) {
return NT_STATUS_NO_MEMORY;
}
@@ -164,9 +164,9 @@ NTSTATUS ntlmssp_set_hashes(NTLMSSP_STATE *ntlmssp_state,
const unsigned char nt_hash[16])
{
ntlmssp_state->lm_hash = (unsigned char *)
- TALLOC_MEMDUP(ntlmssp_state->mem_ctx, lm_hash, 16);
+ TALLOC_MEMDUP(ntlmssp_state, lm_hash, 16);
ntlmssp_state->nt_hash = (unsigned char *)
- TALLOC_MEMDUP(ntlmssp_state->mem_ctx, nt_hash, 16);
+ TALLOC_MEMDUP(ntlmssp_state, nt_hash, 16);
if (!ntlmssp_state->lm_hash || !ntlmssp_state->nt_hash) {
TALLOC_FREE(ntlmssp_state->lm_hash);
TALLOC_FREE(ntlmssp_state->nt_hash);
@@ -201,7 +201,8 @@ NTSTATUS ntlmssp_set_password(NTLMSSP_STATE *ntlmssp_state, const char *password
*/
NTSTATUS ntlmssp_set_domain(NTLMSSP_STATE *ntlmssp_state, const char *domain)
{
- ntlmssp_state->domain = talloc_strdup(ntlmssp_state->mem_ctx, domain ? domain : "" );
+ ntlmssp_state->domain = talloc_strdup(ntlmssp_state,
+ domain ? domain : "" );
if (!ntlmssp_state->domain) {
return NT_STATUS_NO_MEMORY;
}
@@ -214,7 +215,7 @@ NTSTATUS ntlmssp_set_domain(NTLMSSP_STATE *ntlmssp_state, const char *domain)
*/
NTSTATUS ntlmssp_set_workstation(NTLMSSP_STATE *ntlmssp_state, const char *workstation)
{
- ntlmssp_state->workstation = talloc_strdup(ntlmssp_state->mem_ctx, workstation);
+ ntlmssp_state->workstation = talloc_strdup(ntlmssp_state, workstation);
if (!ntlmssp_state->workstation) {
return NT_STATUS_NO_MEMORY;
}
@@ -229,8 +230,9 @@ NTSTATUS ntlmssp_set_workstation(NTLMSSP_STATE *ntlmssp_state, const char *works
NTSTATUS ntlmssp_store_response(NTLMSSP_STATE *ntlmssp_state,
DATA_BLOB response)
{
- ntlmssp_state->stored_response = data_blob_talloc(ntlmssp_state->mem_ctx,
- response.data, response.length);
+ ntlmssp_state->stored_response = data_blob_talloc(ntlmssp_state,
+ response.data,
+ response.length);
return NT_STATUS_OK;
}
@@ -357,16 +359,13 @@ NTSTATUS ntlmssp_update(NTLMSSP_STATE *ntlmssp_state,
void ntlmssp_end(NTLMSSP_STATE **ntlmssp_state)
{
- TALLOC_CTX *mem_ctx = (*ntlmssp_state)->mem_ctx;
-
(*ntlmssp_state)->ref_count--;
if ((*ntlmssp_state)->ref_count == 0) {
data_blob_free(&(*ntlmssp_state)->chal);
data_blob_free(&(*ntlmssp_state)->lm_resp);
data_blob_free(&(*ntlmssp_state)->nt_resp);
-
- talloc_destroy(mem_ctx);
+ TALLOC_FREE(*ntlmssp_state);
}
*ntlmssp_state = NULL;
@@ -562,13 +561,14 @@ static NTSTATUS ntlmssp_server_negotiate(struct ntlmssp_state *ntlmssp_state,
if (target_name == NULL)
return NT_STATUS_INVALID_PARAMETER;
- ntlmssp_state->chal = data_blob_talloc(ntlmssp_state->mem_ctx, cryptkey, 8);
- ntlmssp_state->internal_chal = data_blob_talloc(ntlmssp_state->mem_ctx, cryptkey, 8);
+ ntlmssp_state->chal = data_blob_talloc(ntlmssp_state, cryptkey, 8);
+ ntlmssp_state->internal_chal = data_blob_talloc(ntlmssp_state,
+ cryptkey, 8);
/* This should be a 'netbios domain -> DNS domain' mapping */
- dnsdomname = get_mydnsdomname(ntlmssp_state->mem_ctx);
+ dnsdomname = get_mydnsdomname(ntlmssp_state);
if (!dnsdomname) {
- dnsdomname = talloc_strdup(ntlmssp_state->mem_ctx, "");
+ dnsdomname = talloc_strdup(ntlmssp_state, "");
}
if (!dnsdomname) {
return NT_STATUS_NO_MEMORY;
@@ -770,7 +770,8 @@ static NTSTATUS ntlmssp_server_auth(struct ntlmssp_state *ntlmssp_state,
MD5Update(&md5_session_nonce_ctx, session_nonce, 16);
MD5Final(session_nonce_hash, &md5_session_nonce_ctx);
- ntlmssp_state->chal = data_blob_talloc(ntlmssp_state->mem_ctx, session_nonce_hash, 8);
+ ntlmssp_state->chal = data_blob_talloc(
+ ntlmssp_state, session_nonce_hash, 8);
/* LM response is no longer useful */
data_blob_free(&ntlmssp_state->lm_resp);
@@ -807,7 +808,8 @@ static NTSTATUS ntlmssp_server_auth(struct ntlmssp_state *ntlmssp_state,
/* Handle the different session key derivation for NTLM2 */
if (doing_ntlm2) {
if (user_session_key.data && user_session_key.length == 16) {
- session_key = data_blob_talloc(ntlmssp_state->mem_ctx, NULL, 16);
+ session_key = data_blob_talloc(ntlmssp_state,
+ NULL, 16);
hmac_md5(user_session_key.data, session_nonce,
sizeof(session_nonce), session_key.data);
DEBUG(10,("ntlmssp_server_auth: Created NTLM2 session key.\n"));
@@ -820,7 +822,8 @@ static NTSTATUS ntlmssp_server_auth(struct ntlmssp_state *ntlmssp_state,
} else if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_LM_KEY) {
if (lm_session_key.data && lm_session_key.length >= 8) {
if (ntlmssp_state->lm_resp.data && ntlmssp_state->lm_resp.length == 24) {
- session_key = data_blob_talloc(ntlmssp_state->mem_ctx, NULL, 16);
+ session_key = data_blob_talloc(ntlmssp_state,
+ NULL, 16);
if (session_key.data == NULL) {
return NT_STATUS_NO_MEMORY;
}
@@ -831,7 +834,7 @@ static NTSTATUS ntlmssp_server_auth(struct ntlmssp_state *ntlmssp_state,
uint8 zeros[24];
ZERO_STRUCT(zeros);
session_key = data_blob_talloc(
- ntlmssp_state->mem_ctx, NULL, 16);
+ ntlmssp_state, NULL, 16);
if (session_key.data == NULL) {
return NT_STATUS_NO_MEMORY;
}
@@ -875,9 +878,9 @@ static NTSTATUS ntlmssp_server_auth(struct ntlmssp_state *ntlmssp_state,
SamOEMhash(encrypted_session_key.data,
session_key.data,
encrypted_session_key.length);
- ntlmssp_state->session_key = data_blob_talloc(ntlmssp_state->mem_ctx,
- encrypted_session_key.data,
- encrypted_session_key.length);
+ ntlmssp_state->session_key = data_blob_talloc(
+ ntlmssp_state, encrypted_session_key.data,
+ encrypted_session_key.length);
dump_data_pw("KEY_EXCH session key:\n", encrypted_session_key.data,
encrypted_session_key.length);
}
@@ -907,20 +910,15 @@ static NTSTATUS ntlmssp_server_auth(struct ntlmssp_state *ntlmssp_state,
NTSTATUS ntlmssp_server_start(NTLMSSP_STATE **ntlmssp_state)
{
- TALLOC_CTX *mem_ctx;
-
- mem_ctx = talloc_init("NTLMSSP context");
-
- *ntlmssp_state = TALLOC_ZERO_P(mem_ctx, NTLMSSP_STATE);
+ *ntlmssp_state = TALLOC_ZERO_P(NULL, NTLMSSP_STATE);
if (!*ntlmssp_state) {
DEBUG(0,("ntlmssp_server_start: talloc failed!\n"));
- talloc_destroy(mem_ctx);
+ talloc_destroy(*ntlmssp_state);
return NT_STATUS_NO_MEMORY;
}
(*ntlmssp_state)->role = NTLMSSP_SERVER;
- (*ntlmssp_state)->mem_ctx = mem_ctx;
(*ntlmssp_state)->get_challenge = get_challenge;
(*ntlmssp_state)->set_challenge = set_challenge;
(*ntlmssp_state)->may_set_challenge = may_set_challenge;
@@ -1062,7 +1060,7 @@ static NTSTATUS ntlmssp_client_challenge(struct ntlmssp_state *ntlmssp_state,
return NT_STATUS_INVALID_PARAMETER;
}
- ntlmssp_state->server_domain = talloc_strdup(ntlmssp_state->mem_ctx,
+ ntlmssp_state->server_domain = talloc_strdup(ntlmssp_state,
server_domain);
SAFE_FREE(server_domain);
@@ -1078,7 +1076,7 @@ static NTSTATUS ntlmssp_client_challenge(struct ntlmssp_state *ntlmssp_state,
ZERO_STRUCT(zeros);
/* session key is all zeros */
- session_key = data_blob_talloc(ntlmssp_state->mem_ctx, zeros, 16);
+ session_key = data_blob_talloc(ntlmssp_state, zeros, 16);
/* not doing NLTM2 without a password */
ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_NTLM2;
@@ -1108,7 +1106,7 @@ static NTSTATUS ntlmssp_client_challenge(struct ntlmssp_state *ntlmssp_state,
uchar session_nonce_hash[16];
uchar user_session_key[16];
- lm_response = data_blob_talloc(ntlmssp_state->mem_ctx, NULL, 24);
+ lm_response = data_blob_talloc(ntlmssp_state, NULL, 24);
generate_random_buffer(lm_response.data, 8);
memset(lm_response.data+8, 0, 16);
@@ -1124,12 +1122,12 @@ static NTSTATUS ntlmssp_client_challenge(struct ntlmssp_state *ntlmssp_state,
DEBUG(5, ("challenge is: \n"));
dump_data(5, session_nonce_hash, 8);
- nt_response = data_blob_talloc(ntlmssp_state->mem_ctx, NULL, 24);
+ nt_response = data_blob_talloc(ntlmssp_state, NULL, 24);
SMBNTencrypt_hash(ntlmssp_state->nt_hash,
session_nonce_hash,
nt_response.data);
- session_key = data_blob_talloc(ntlmssp_state->mem_ctx, NULL, 16);
+ session_key = data_blob_talloc(ntlmssp_state, NULL, 16);
SMBsesskeygen_ntv1(ntlmssp_state->nt_hash, NULL, user_session_key);
hmac_md5(user_session_key, session_nonce, sizeof(session_nonce), session_key.data);
@@ -1137,16 +1135,17 @@ static NTSTATUS ntlmssp_client_challenge(struct ntlmssp_state *ntlmssp_state,
} else {
/* lanman auth is insecure, it may be disabled */
if (lp_client_lanman_auth()) {
- lm_response = data_blob_talloc(ntlmssp_state->mem_ctx, NULL, 24);
+ lm_response = data_blob_talloc(ntlmssp_state,
+ NULL, 24);
SMBencrypt_hash(ntlmssp_state->lm_hash,challenge_blob.data,
lm_response.data);
}
- nt_response = data_blob_talloc(ntlmssp_state->mem_ctx, NULL, 24);
+ nt_response = data_blob_talloc(ntlmssp_state, NULL, 24);
SMBNTencrypt_hash(ntlmssp_state->nt_hash,challenge_blob.data,
nt_response.data);
- session_key = data_blob_talloc(ntlmssp_state->mem_ctx, NULL, 16);
+ session_key = data_blob_talloc(ntlmssp_state, NULL, 16);
if ((ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_LM_KEY)
&& lp_client_lanman_auth()) {
SMBsesskeygen_lm_sess_key(ntlmssp_state->lm_hash, lm_response.data,
@@ -1174,7 +1173,9 @@ static NTSTATUS ntlmssp_client_challenge(struct ntlmssp_state *ntlmssp_state,
/* Mark the new session key as the 'real' session key */
data_blob_free(&session_key);
- session_key = data_blob_talloc(ntlmssp_state->mem_ctx, client_session_key, sizeof(client_session_key));
+ session_key = data_blob_talloc(ntlmssp_state,
+ client_session_key,
+ sizeof(client_session_key));
}
/* this generates the actual auth packet */
@@ -1213,21 +1214,15 @@ static NTSTATUS ntlmssp_client_challenge(struct ntlmssp_state *ntlmssp_state,
NTSTATUS ntlmssp_client_start(NTLMSSP_STATE **ntlmssp_state)
{
- TALLOC_CTX *mem_ctx;
-
- mem_ctx = talloc_init("NTLMSSP Client context");
-
- *ntlmssp_state = TALLOC_ZERO_P(mem_ctx, NTLMSSP_STATE);
+ *ntlmssp_state = TALLOC_ZERO_P(NULL, NTLMSSP_STATE);
if (!*ntlmssp_state) {
DEBUG(0,("ntlmssp_client_start: talloc failed!\n"));
- talloc_destroy(mem_ctx);
+ talloc_destroy(*ntlmssp_state);
return NT_STATUS_NO_MEMORY;
}
(*ntlmssp_state)->role = NTLMSSP_CLIENT;
- (*ntlmssp_state)->mem_ctx = mem_ctx;
-
(*ntlmssp_state)->get_global_myname = global_myname;
(*ntlmssp_state)->get_domain = lp_workgroup;
generated by cgit (git 2.34.1) at 2024-10-30 01:08:47 +0000