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Diffstat (limited to 'source3/auth/auth_sam.c')
-rw-r--r--source3/auth/auth_sam.c181
1 files changed, 78 insertions, 103 deletions
diff --git a/source3/auth/auth_sam.c b/source3/auth/auth_sam.c
index a7e49a270f..012696f46a 100644
--- a/source3/auth/auth_sam.c
+++ b/source3/auth/auth_sam.c
@@ -4,6 +4,7 @@
Copyright (C) Andrew Tridgell 1992-2000
Copyright (C) Luke Kenneth Casson Leighton 1996-2000
Copyright (C) Andrew Bartlett 2001
+ Copyright (C) Gerald Carter 2003
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -28,9 +29,9 @@
/****************************************************************************
core of smb password checking routine.
****************************************************************************/
-static BOOL smb_pwd_check_ntlmv1(DATA_BLOB nt_response,
+static BOOL smb_pwd_check_ntlmv1(const DATA_BLOB *nt_response,
const uchar *part_passwd,
- DATA_BLOB sec_blob,
+ const DATA_BLOB *sec_blob,
uint8 user_sess_key[16])
{
/* Finish the encryption of part_passwd. */
@@ -42,17 +43,17 @@ static BOOL smb_pwd_check_ntlmv1(DATA_BLOB nt_response,
return False;
}
- if (sec_blob.length != 8) {
- DEBUG(0, ("smb_pwd_check_ntlmv1: incorrect challenge size (%d)\n", sec_blob.length));
+ if (sec_blob->length != 8) {
+ DEBUG(0, ("smb_pwd_check_ntlmv1: incorrect challenge size (%d)\n", sec_blob->length));
return False;
}
- if (nt_response.length != 24) {
- DEBUG(0, ("smb_pwd_check_ntlmv1: incorrect password length (%d)\n", nt_response.length));
+ if (nt_response->length != 24) {
+ DEBUG(0, ("smb_pwd_check_ntlmv1: incorrect password length (%d)\n", nt_response->length));
return False;
}
- SMBOWFencrypt(part_passwd, sec_blob.data, p24);
+ SMBOWFencrypt(part_passwd, sec_blob->data, p24);
if (user_sess_key != NULL)
{
SMBsesskeygen_ntv1(part_passwd, NULL, user_sess_key);
@@ -61,16 +62,16 @@ static BOOL smb_pwd_check_ntlmv1(DATA_BLOB nt_response,
#if DEBUG_PASSWORD
- DEBUG(100,("Part password (P16) was |"));
+ DEBUG(100,("Part password (P16) was |\n"));
dump_data(100, part_passwd, 16);
- DEBUG(100,("Password from client was |"));
- dump_data(100, nt_response.data, nt_response.length);
- DEBUG(100,("Given challenge was |"));
- dump_data(100, sec_blob.data, sec_blob.length);
- DEBUG(100,("Value from encryption was |"));
+ DEBUGADD(100,("Password from client was |\n"));
+ dump_data(100, nt_response->data, nt_response->length);
+ DEBUGADD(100,("Given challenge was |\n"));
+ dump_data(100, sec_blob->data, sec_blob->length);
+ DEBUGADD(100,("Value from encryption was |\n"));
dump_data(100, p24, 24);
#endif
- return (memcmp(p24, nt_response.data, 24) == 0);
+ return (memcmp(p24, nt_response->data, 24) == 0);
}
@@ -79,9 +80,9 @@ core of smb password checking routine. (NTLMv2, LMv2)
Note: The same code works with both NTLMv2 and LMv2.
****************************************************************************/
-static BOOL smb_pwd_check_ntlmv2(const DATA_BLOB ntv2_response,
+static BOOL smb_pwd_check_ntlmv2(const DATA_BLOB *ntv2_response,
const uchar *part_passwd,
- const DATA_BLOB sec_blob,
+ const DATA_BLOB *sec_blob,
const char *user, const char *domain,
uint8 user_sess_key[16])
{
@@ -98,42 +99,43 @@ static BOOL smb_pwd_check_ntlmv2(const DATA_BLOB ntv2_response,
return False;
}
- if (ntv2_response.length < 16) {
+ if (ntv2_response->length < 24) {
/* We MUST have more than 16 bytes, or the stuff below will go
- crazy... */
+ crazy. No known implementation sends less than the 24 bytes
+ for LMv2, let alone NTLMv2. */
DEBUG(0, ("smb_pwd_check_ntlmv2: incorrect password length (%d)\n",
- ntv2_response.length));
+ ntv2_response->length));
return False;
}
- client_key_data = data_blob(ntv2_response.data+16, ntv2_response.length-16);
+ client_key_data = data_blob(ntv2_response->data+16, ntv2_response->length-16);
/*
todo: should we be checking this for anything? We can't for LMv2,
but for NTLMv2 it is meant to contain the current time etc.
*/
- memcpy(client_response, ntv2_response.data, sizeof(client_response));
+ memcpy(client_response, ntv2_response->data, sizeof(client_response));
if (!ntv2_owf_gen(part_passwd, user, domain, kr)) {
return False;
}
- SMBOWFencrypt_ntv2(kr, sec_blob, client_key_data, value_from_encryption);
+ SMBOWFencrypt_ntv2(kr, sec_blob, &client_key_data, value_from_encryption);
if (user_sess_key != NULL)
{
SMBsesskeygen_ntv2(kr, value_from_encryption, user_sess_key);
}
#if DEBUG_PASSWORD
- DEBUG(100,("Part password (P16) was |"));
+ DEBUG(100,("Part password (P16) was |\n"));
dump_data(100, part_passwd, 16);
- DEBUG(100,("Password from client was |"));
- dump_data(100, ntv2_response.data, ntv2_response.length);
- DEBUG(100,("Variable data from client was |"));
+ DEBUGADD(100,("Password from client was |\n"));
+ dump_data(100, ntv2_response->data, ntv2_response->length);
+ DEBUGADD(100,("Variable data from client was |\n"));
dump_data(100, client_key_data.data, client_key_data.length);
- DEBUG(100,("Given challenge was |"));
- dump_data(100, sec_blob.data, sec_blob.length);
- DEBUG(100,("Value from encryption was |"));
+ DEBUGADD(100,("Given challenge was |\n"));
+ dump_data(100, sec_blob->data, sec_blob->length);
+ DEBUGADD(100,("Value from encryption was |\n"));
dump_data(100, value_from_encryption, 16);
#endif
data_blob_clear_free(&client_key_data);
@@ -185,8 +187,8 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context,
use it (ie. does it exist in the smbpasswd file).
*/
DEBUG(4,("sam_password_ok: Checking NTLMv2 password with domain [%s]\n", user_info->client_domain.str));
- if (smb_pwd_check_ntlmv2( user_info->nt_resp,
- nt_pw, auth_context->challenge,
+ if (smb_pwd_check_ntlmv2( &user_info->nt_resp,
+ nt_pw, &auth_context->challenge,
user_info->smb_name.str,
user_info->client_domain.str,
user_sess_key))
@@ -195,11 +197,12 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context,
}
DEBUG(4,("sam_password_ok: Checking NTLMv2 password without a domain\n"));
- if (smb_pwd_check_ntlmv2( user_info->nt_resp,
- nt_pw, auth_context->challenge,
+ if (smb_pwd_check_ntlmv2( &user_info->nt_resp,
+ nt_pw, &auth_context->challenge,
user_info->smb_name.str,
"",
user_sess_key))
+
{
return NT_STATUS_OK;
} else {
@@ -213,8 +216,8 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context,
use it (ie. does it exist in the smbpasswd file).
*/
DEBUG(4,("sam_password_ok: Checking NT MD4 password\n"));
- if (smb_pwd_check_ntlmv1(user_info->nt_resp,
- nt_pw, auth_context->challenge,
+ if (smb_pwd_check_ntlmv1(&user_info->nt_resp,
+ nt_pw, &auth_context->challenge,
user_sess_key))
{
return NT_STATUS_OK;
@@ -224,7 +227,7 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context,
}
} else {
DEBUG(2,("sam_password_ok: NTLMv1 passwords NOT PERMITTED for user %s\n",pdb_get_username(sampass)));
- /* no return, because we might pick up LMv2 in the LM field */
+ /* no return, becouse we might pick up LMv2 in the LM field */
}
}
@@ -242,8 +245,8 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context,
lm_pw = pdb_get_lanman_passwd(sampass);
DEBUG(4,("sam_password_ok: Checking LM password\n"));
- if (smb_pwd_check_ntlmv1(user_info->lm_resp,
- lm_pw, auth_context->challenge,
+ if (smb_pwd_check_ntlmv1(&user_info->lm_resp,
+ lm_pw, &auth_context->challenge,
user_sess_key))
{
return NT_STATUS_OK;
@@ -261,8 +264,8 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context,
- related to Win9X, legacy NAS pass-though authentication
*/
DEBUG(4,("sam_password_ok: Checking LMv2 password with domain %s\n", user_info->client_domain.str));
- if (smb_pwd_check_ntlmv2( user_info->lm_resp,
- nt_pw, auth_context->challenge,
+ if (smb_pwd_check_ntlmv2( &user_info->lm_resp,
+ nt_pw, &auth_context->challenge,
user_info->smb_name.str,
user_info->client_domain.str,
user_sess_key))
@@ -271,8 +274,8 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context,
}
DEBUG(4,("sam_password_ok: Checking LMv2 password without a domain\n"));
- if (smb_pwd_check_ntlmv2( user_info->lm_resp,
- nt_pw, auth_context->challenge,
+ if (smb_pwd_check_ntlmv2( &user_info->lm_resp,
+ nt_pw, &auth_context->challenge,
user_info->smb_name.str,
"",
user_sess_key))
@@ -286,8 +289,8 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context,
DEBUG(4,("sam_password_ok: Checking NT MD4 password in LM field\n"));
if (lp_ntlm_auth())
{
- if (smb_pwd_check_ntlmv1(user_info->lm_resp,
- nt_pw, auth_context->challenge,
+ if (smb_pwd_check_ntlmv1(&user_info->lm_resp,
+ nt_pw, &auth_context->challenge,
user_sess_key))
{
return NT_STATUS_OK;
@@ -330,7 +333,7 @@ static NTSTATUS sam_account_ok(TALLOC_CTX *mem_ctx,
kickoff_time = pdb_get_kickoff_time(sampass);
if (kickoff_time != 0 && time(NULL) > kickoff_time) {
- DEBUG(1,("Account for user '%s' has expried.\n", pdb_get_username(sampass)));
+ DEBUG(1,("Account for user '%s' has expired.\n", pdb_get_username(sampass)));
DEBUG(3,("Account expired at '%ld' unix time.\n", (long)kickoff_time));
return NT_STATUS_ACCOUNT_EXPIRED;
}
@@ -438,14 +441,14 @@ static NTSTATUS check_sam_security(const struct auth_context *auth_context,
return NT_STATUS_NO_SUCH_USER;
}
- nt_status = sam_account_ok(mem_ctx, sampass, user_info);
+ nt_status = sam_password_ok(auth_context, mem_ctx, sampass, user_info, user_sess_key);
if (!NT_STATUS_IS_OK(nt_status)) {
pdb_free_sam(&sampass);
return nt_status;
}
- nt_status = sam_password_ok(auth_context, mem_ctx, sampass, user_info, user_sess_key);
+ nt_status = sam_account_ok(mem_ctx, sampass, user_info);
if (!NT_STATUS_IS_OK(nt_status)) {
pdb_free_sam(&sampass);
@@ -468,14 +471,14 @@ static NTSTATUS check_sam_security(const struct auth_context *auth_context,
}
/* module initialisation */
-NTSTATUS auth_init_sam(struct auth_context *auth_context, const char *param, auth_methods **auth_method)
+static NTSTATUS auth_init_sam_ignoredomain(struct auth_context *auth_context, const char *param, auth_methods **auth_method)
{
if (!make_auth_methods(auth_context, auth_method)) {
return NT_STATUS_NO_MEMORY;
}
(*auth_method)->auth = check_sam_security;
- (*auth_method)->name = "sam";
+ (*auth_method)->name = "sam_ignoredomain";
return NT_STATUS_OK;
}
@@ -490,83 +493,55 @@ static NTSTATUS check_samstrict_security(const struct auth_context *auth_context
const auth_usersupplied_info *user_info,
auth_serversupplied_info **server_info)
{
+ BOOL is_local_name, is_my_domain;
if (!user_info || !auth_context) {
return NT_STATUS_LOGON_FAILURE;
}
- /* If we are a domain member, we must not
- attempt to check the password locally,
- unless it is one of our aliases. */
+ is_local_name = is_myname(user_info->domain.str);
+ is_my_domain = strequal(user_info->domain.str, lp_workgroup());
+
+ /* check whether or not we service this domain/workgroup name */
- if (!is_myname(user_info->domain.str)) {
- DEBUG(7,("The requested user domain is not the local server name. [%s]\\[%s]\n",
- user_info->domain.str,user_info->internal_username.str));
- return NT_STATUS_NO_SUCH_USER;
+ switch ( lp_server_role() ) {
+ case ROLE_STANDALONE:
+ case ROLE_DOMAIN_MEMBER:
+ if ( !is_local_name ) {
+ DEBUG(6,("check_samstrict_security: %s is not one of my local names (%s)\n",
+ user_info->domain.str, (lp_server_role() == ROLE_DOMAIN_MEMBER
+ ? "ROLE_DOMAIN_MEMBER" : "ROLE_STANDALONE") ));
+ return NT_STATUS_NOT_IMPLEMENTED;
+ }
+ case ROLE_DOMAIN_PDC:
+ case ROLE_DOMAIN_BDC:
+ if ( !is_local_name && !is_my_domain ) {
+ DEBUG(6,("check_samstrict_security: %s is not one of my local names or domain name (DC)\n",
+ user_info->domain.str));
+ return NT_STATUS_NOT_IMPLEMENTED;
+ }
+ default: /* name is ok */
+ break;
}
return check_sam_security(auth_context, my_private_data, mem_ctx, user_info, server_info);
}
/* module initialisation */
-NTSTATUS auth_init_samstrict(struct auth_context *auth_context, const char *param, auth_methods **auth_method)
+static NTSTATUS auth_init_sam(struct auth_context *auth_context, const char *param, auth_methods **auth_method)
{
if (!make_auth_methods(auth_context, auth_method)) {
return NT_STATUS_NO_MEMORY;
}
(*auth_method)->auth = check_samstrict_security;
- (*auth_method)->name = "samstrict";
- return NT_STATUS_OK;
-}
-
-/****************************************************************************
-Check SAM security (above) but with a few extra checks if we're a DC.
-****************************************************************************/
-
-static NTSTATUS check_samstrict_dc_security(const struct auth_context *auth_context,
- void *my_private_data,
- TALLOC_CTX *mem_ctx,
- const auth_usersupplied_info *user_info,
- auth_serversupplied_info **server_info)
-{
-
- if (!user_info || !auth_context) {
- return NT_STATUS_LOGON_FAILURE;
- }
-
- /* If we are a domain member, we must not
- attempt to check the password locally,
- unless it is one of our aliases, empty
- or our domain if we are a logon server.*/
-
-
- if ((!is_myworkgroup(user_info->domain.str))&&
- (!is_myname(user_info->domain.str))) {
- DEBUG(7,("The requested user domain is not the local server name or our domain. [%s]\\[%s]\n",
- user_info->domain.str,user_info->internal_username.str));
- return NT_STATUS_NO_SUCH_USER;
- }
-
- return check_sam_security(auth_context, my_private_data, mem_ctx, user_info, server_info);
-}
-
-/* module initialisation */
-NTSTATUS auth_init_samstrict_dc(struct auth_context *auth_context, const char *param, auth_methods **auth_method)
-{
- if (!make_auth_methods(auth_context, auth_method)) {
- return NT_STATUS_NO_MEMORY;
- }
-
- (*auth_method)->auth = check_samstrict_dc_security;
- (*auth_method)->name = "samstrict_dc";
+ (*auth_method)->name = "sam";
return NT_STATUS_OK;
}
NTSTATUS auth_sam_init(void)
{
- smb_register_auth(AUTH_INTERFACE_VERSION, "samstrict_dc", auth_init_samstrict_dc);
- smb_register_auth(AUTH_INTERFACE_VERSION, "samstrict", auth_init_samstrict);
smb_register_auth(AUTH_INTERFACE_VERSION, "sam", auth_init_sam);
+ smb_register_auth(AUTH_INTERFACE_VERSION, "sam_ignoredomain", auth_init_sam_ignoredomain);
return NT_STATUS_OK;
}
generated by cgit (git 2.34.1) at 2024-07-15 11:58:00 +0000