*/
#include "includes.h"
+#include "librpc/gen_ndr/ndr_samr.h"
+#include "system/time.h"
+#include "auth/auth.h"
+#include "lib/ldb/include/ldb.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_AUTH
DATA_BLOB *user_sess_key,
DATA_BLOB *lm_sess_key)
{
+ NTSTATUS status;
+
if (acct_flags & ACB_PWNOTREQ) {
if (lp_null_passwords()) {
DEBUG(3,("Account for user '%s' has no password and null passwords are allowed.\n",
}
}
- return ntlm_password_check(mem_ctx, &auth_context->challenge,
+ status = ntlm_password_check(mem_ctx, &auth_context->challenge,
&user_info->lm_resp, &user_info->nt_resp,
- &user_info->lm_interactive_pwd,
- &user_info->nt_interactive_pwd,
+ &user_info->lm_interactive_password,
+ &user_info->nt_interactive_password,
username,
user_info->smb_name.str,
user_info->client_domain.str,
lm_pwd->hash, nt_pwd->hash, user_sess_key, lm_sess_key);
+
+ if (NT_STATUS_IS_OK(status)) {
+ if (user_sess_key && user_sess_key->data) {
+ talloc_steal(auth_context, user_sess_key->data);
+ }
+ if (lm_sess_key && lm_sess_key->data) {
+ talloc_steal(auth_context, lm_sess_key->data);
+ }
+ }
+
+ return status;
}
if(strequal(tok, user_info->wksta_name.str)) {
invalid_ws = False;
+
break;
}
}
}
/****************************************************************************
-check if a username/password is OK assuming the password is a 24 byte
-SMB hash supplied in the user_info structure
-return an NT_STATUS constant.
+ Look for the specified user in the sam, return ldb result structures
****************************************************************************/
-static NTSTATUS check_sam_security(const struct auth_context *auth_context,
- void *my_private_data,
- TALLOC_CTX *mem_ctx,
- const struct auth_usersupplied_info *user_info,
- struct auth_serversupplied_info **server_info)
+static NTSTATUS sam_search_user(const char *username, const char *domain,
+ TALLOC_CTX *mem_ctx, void *sam_ctx,
+ struct ldb_message ***ret_msgs,
+ struct ldb_message ***ret_msgs_domain)
{
struct ldb_message **msgs;
struct ldb_message **msgs_domain;
- void *sam_ctx;
- char *username = user_info->internal_username.str;
- uint16_t acct_flags;
- const char *workstation_list;
- NTTIME acct_expiry;
- NTTIME must_change_time;
- NTTIME last_set_time;
uint_t ret;
uint_t ret_domain;
- const char *domain_dn;
+ const char *domain_dn = NULL;
const char *domain_sid;
- NTSTATUS nt_status;
- DATA_BLOB user_sess_key = data_blob(NULL, 0);
- DATA_BLOB lm_sess_key = data_blob(NULL, 0);
- struct samr_Password *lm_pwd, *nt_pwd;
-
const char *attrs[] = {"unicodePwd", "lmPwdHash", "ntPwdHash",
"userAccountControl",
"pwdLastSet",
"accountExpires",
"objectSid",
"userWorkstations",
+
+ /* required for server_info, not access control: */
+ "sAMAccountName",
+ "displayName",
+ "scriptPath",
+ "profilePath",
+ "homeDirectory",
+ "homeDrive",
+ "lastLogon",
+ "lastLogoff",
+ "accountExpires",
+ "badPwdCount",
+ "logonCount",
+ "primaryGroupID",
NULL,
};
- const char *domain_attrs[] = {"name"};
+ const char *domain_attrs[] = {"name", "objectSid"};
+
+ if (domain) {
+ /* find the domain's DN */
+ ret_domain = samdb_search(sam_ctx, mem_ctx, NULL, &msgs_domain, domain_attrs,
+ "(&(|(realm=%s)(name=%s))(objectclass=domain))",
+ domain, domain);
+
+ if (ret_domain == 0) {
+ DEBUG(3,("check_sam_security: Couldn't find domain [%s] in passdb file.\n",
+ domain));
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ if (ret_domain > 1) {
+ DEBUG(0,("Found %d records matching domain [%s]\n",
+ ret_domain, domain));
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ domain_dn = msgs_domain[0]->dn;
- if (!user_info || !auth_context) {
- return NT_STATUS_UNSUCCESSFUL;
- }
-
- sam_ctx = samdb_connect();
- if (sam_ctx == NULL) {
- return NT_STATUS_INVALID_SYSTEM_SERVICE;
}
/* pull the user attributes */
- ret = samdb_search(sam_ctx, mem_ctx, NULL, &msgs, attrs,
+ ret = samdb_search(sam_ctx, mem_ctx, domain_dn, &msgs, attrs,
"(&(sAMAccountName=%s)(objectclass=user))",
username);
if (ret == 0) {
DEBUG(3,("check_sam_security: Couldn't find user [%s] in passdb file.\n",
username));
- samdb_close(sam_ctx);
return NT_STATUS_NO_SUCH_USER;
}
if (ret > 1) {
- DEBUG(1,("Found %d records matching user [%s]\n", ret, username));
- samdb_close(sam_ctx);
+ DEBUG(0,("Found %d records matching user [%s]\n", ret, username));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
- domain_sid = samdb_result_sid_prefix(mem_ctx, msgs[0], "objectSid");
- if (!domain_sid) {
- samdb_close(sam_ctx);
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
- }
+ if (!domain) {
+ domain_sid = samdb_result_sid_prefix(mem_ctx, msgs[0], "objectSid");
+ if (!domain_sid) {
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
- /* find the domain's DN */
- ret_domain = samdb_search(sam_ctx, mem_ctx, NULL, &msgs_domain, domain_attrs,
- "(&(objectSid=%s)(objectclass=domain))",
- domain_sid);
+ /* find the domain's DN */
+ ret_domain = samdb_search(sam_ctx, mem_ctx, NULL, &msgs_domain, domain_attrs,
+ "(&(objectSid=%s)(objectclass=domain))",
+ domain_sid);
+
+ if (ret_domain == 0) {
+ DEBUG(3,("check_sam_security: Couldn't find domain [%s] in passdb file.\n",
+ domain_sid));
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ if (ret_domain > 1) {
+ DEBUG(0,("Found %d records matching domain [%s]\n",
+ ret_domain, domain_sid));
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
- if (ret_domain == 0) {
- DEBUG(3,("check_sam_security: Couldn't find domain [%s] in passdb file.\n",
- domain_sid));
- samdb_close(sam_ctx);
- return NT_STATUS_NO_SUCH_USER;
+ domain_dn = msgs_domain[0]->dn;
}
+ *ret_msgs = msgs;
+ *ret_msgs_domain = msgs_domain;
+
+ return NT_STATUS_OK;
+}
+
+NTSTATUS sam_check_password(const struct auth_context *auth_context,
+ const char *username,
+ TALLOC_CTX *mem_ctx, void *sam_ctx,
+ struct ldb_message **msgs,
+ const char *domain_dn,
+ const struct auth_usersupplied_info *user_info,
+ DATA_BLOB *user_sess_key, DATA_BLOB *lm_sess_key)
+{
+
+ uint16_t acct_flags;
+ const char *workstation_list;
+ NTTIME acct_expiry;
+ NTTIME must_change_time;
+ NTTIME last_set_time;
+ struct samr_Password *lm_pwd, *nt_pwd;
+
+ NTSTATUS nt_status;
- if (ret_domain > 1) {
- DEBUG(1,("Found %d records matching domain [%s]\n",
- ret_domain, domain_sid));
- samdb_close(sam_ctx);
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
- }
- domain_dn = msgs_domain[0]->dn;
-
acct_flags = samdb_result_acct_flags(msgs[0], "sAMAcctFlags");
/* Quit if the account was locked out. */
if (acct_flags & ACB_AUTOLOCK) {
DEBUG(3,("check_sam_security: Account for user %s was locked out.\n",
username));
- samdb_close(sam_ctx);
return NT_STATUS_ACCOUNT_LOCKED_OUT;
}
nt_status = sam_password_ok(auth_context, mem_ctx,
username, acct_flags,
lm_pwd, nt_pwd,
- user_info, &user_sess_key, &lm_sess_key);
+ user_info, user_sess_key, lm_sess_key);
if (!NT_STATUS_IS_OK(nt_status)) {
- samdb_close(sam_ctx);
return nt_status;
}
workstation_list,
user_info);
+ return nt_status;
+}
+
+NTSTATUS sam_make_server_info(TALLOC_CTX *mem_ctx, void *sam_ctx,
+ struct ldb_message **msgs, struct ldb_message **msgs_domain,
+ struct auth_serversupplied_info **server_info)
+{
+
+ struct ldb_message **group_msgs;
+ int group_ret;
+ const char *group_attrs[3] = { "sAMAccountType", "objectSid", NULL };
+ /* find list of sids */
+ struct dom_sid **groupSIDs = NULL;
+ struct dom_sid *user_sid;
+ struct dom_sid *primary_group_sid;
+ const char *sidstr;
+ int i;
+ uint_t rid;
+
+ NTSTATUS nt_status;
+
+ if (!NT_STATUS_IS_OK(nt_status = make_server_info(mem_ctx, server_info,
+ samdb_result_string(msgs[0], "sAMAccountName", "")))) {
+ DEBUG(0,("check_sam_security: make_server_info_sam() failed with '%s'\n", nt_errstr(nt_status)));
+ return nt_status;
+ }
+
+ group_ret = samdb_search(sam_ctx,
+ mem_ctx, NULL, &group_msgs, group_attrs,
+ "(&(member=%s)(sAMAccountType=*))",
+ msgs[0]->dn);
+ if (group_ret == -1) {
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ if (group_ret > 0 &&
+ !(groupSIDs = talloc_array_p(*server_info, struct dom_sid *, group_ret))) {
+ talloc_free(*server_info);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* Need to unroll some nested groups, but not aliases */
+ for (i = 0; i < group_ret; i++) {
+ sidstr = ldb_msg_find_string(group_msgs[i], "objectSid", NULL);
+ groupSIDs[i] = dom_sid_parse_talloc(*server_info, sidstr);
+ }
+
+ sidstr = ldb_msg_find_string(msgs[0], "objectSid", NULL);
+ user_sid = dom_sid_parse_talloc(*server_info, sidstr);
+ primary_group_sid = dom_sid_parse_talloc(*server_info, sidstr);
+ rid = samdb_result_uint(msgs[0], "primaryGroupID", ~0);
+ if (rid == ~0) {
+ if (group_ret > 0) {
+ primary_group_sid = groupSIDs[0];
+ } else {
+ primary_group_sid = NULL;
+ }
+ } else {
+ primary_group_sid->sub_auths[primary_group_sid->num_auths-1] = rid;
+ }
+
+ (*server_info)->user_sid = user_sid;
+ (*server_info)->primary_group_sid = primary_group_sid;
+
+ (*server_info)->n_domain_groups = group_ret;
+ (*server_info)->domain_groups = groupSIDs;
+
+ (*server_info)->account_name
+ = talloc_strdup(*server_info,
+ samdb_result_string(msgs[0], "sAMAccountName", ""));
+
+ (*server_info)->domain
+ = talloc_strdup(*server_info,
+ samdb_result_string(msgs_domain[0], "name", ""));
+
+ (*server_info)->full_name
+ = talloc_strdup(*server_info,
+ samdb_result_string(msgs[0], "displayName", ""));
+
+ (*server_info)->logon_script
+ = talloc_strdup(*server_info,
+ samdb_result_string(msgs[0], "scriptPath", ""));
+ (*server_info)->profile_path
+ = talloc_strdup(*server_info,
+ samdb_result_string(msgs[0], "profilePath", ""));
+ (*server_info)->home_directory
+ = talloc_strdup(*server_info,
+ samdb_result_string(msgs[0], "homeDirectory", ""));
+
+ (*server_info)->home_drive
+ = talloc_strdup(*server_info,
+ samdb_result_string(msgs[0], "homeDrive", ""));
+
+ (*server_info)->last_logon = samdb_result_nttime(msgs[0], "lastLogon", 0);
+ (*server_info)->last_logoff = samdb_result_nttime(msgs[0], "lastLogoff", 0);
+ (*server_info)->acct_expiry = samdb_result_nttime(msgs[0], "accountExpires", 0);
+ (*server_info)->last_password_change = samdb_result_nttime(msgs[0], "pwdLastSet", 0);
+ (*server_info)->allow_password_change
+ = samdb_result_allow_password_change(sam_ctx, mem_ctx,
+ msgs_domain[0]->dn, msgs[0], "pwdLastSet");
+ (*server_info)->force_password_change
+ = samdb_result_force_password_change(sam_ctx, mem_ctx,
+ msgs_domain[0]->dn, msgs[0], "pwdLastSet");
+
+ (*server_info)->logon_count = samdb_result_uint(msgs[0], "logonCount", 0);
+ (*server_info)->bad_password_count = samdb_result_uint(msgs[0], "badPwdCount", 0);
+
+ (*server_info)->acct_flags = samdb_result_acct_flags(msgs[0], "userAccountControl");
+
+ (*server_info)->guest = False;
+
+ if (!(*server_info)->account_name
+ || !(*server_info)->full_name
+ || !(*server_info)->logon_script
+ || !(*server_info)->profile_path
+ || !(*server_info)->home_directory
+ || !(*server_info)->home_drive) {
+ talloc_destroy(*server_info);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ return nt_status;
+}
+
+NTSTATUS sam_get_server_info(const char *username, const char *domain, TALLOC_CTX *mem_ctx,
+ struct auth_serversupplied_info **server_info)
+{
+ NTSTATUS nt_status;
+
+ struct ldb_message **msgs;
+ struct ldb_message **domain_msgs;
+ void *sam_ctx;
+
+ sam_ctx = samdb_connect(mem_ctx);
+ if (sam_ctx == NULL) {
+ return NT_STATUS_INVALID_SYSTEM_SERVICE;
+ }
+
+ nt_status = sam_search_user(username, domain, mem_ctx, sam_ctx, &msgs, &domain_msgs);
if (!NT_STATUS_IS_OK(nt_status)) {
- samdb_close(sam_ctx);
return nt_status;
}
- if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info, username))) {
- DEBUG(0,("check_sam_security: make_server_info_sam() failed with '%s'\n", nt_errstr(nt_status)));
- samdb_close(sam_ctx);
+ nt_status = sam_make_server_info(mem_ctx, sam_ctx, msgs, domain_msgs, server_info);
+ if (!NT_STATUS_IS_OK(nt_status)) {
return nt_status;
}
- {
- struct ldb_message **group_msgs;
- char *dn = msgs[0]->dn;
- int group_ret;
- const char *group_attrs[3] = { "sAMAccountType", "objectSid", NULL };
- /* find list of sids */
- struct dom_sid **groupSIDs = NULL;
- struct dom_sid *user_sid;
- struct dom_sid *primary_group_sid;
- const char *sidstr;
- int i;
-
- group_ret = samdb_search(sam_ctx,
- mem_ctx, NULL, &group_msgs, group_attrs,
- "(&(member=%s)(sAMAccountType=*))",
- dn);
-
- if (!(groupSIDs = talloc_realloc_p((*server_info)->mem_ctx, groupSIDs,
- struct dom_sid *, group_ret))) {
- talloc_destroy((*server_info)->mem_ctx);
- samdb_close(sam_ctx);
- return NT_STATUS_NO_MEMORY;
- }
+ return NT_STATUS_OK;
+}
- /* Need to unroll some nested groups, but not aliases */
- for (i = 0; i < group_ret; i++) {
- sidstr = ldb_msg_find_string(group_msgs[i], "objectSid", NULL);
- groupSIDs[i] = dom_sid_parse_talloc((*server_info)->mem_ctx, sidstr);
- }
-
- sidstr = ldb_msg_find_string(msgs[0], "objectSid", NULL);
- user_sid = dom_sid_parse_talloc((*server_info)->mem_ctx, sidstr);
- primary_group_sid = dom_sid_parse_talloc((*server_info)->mem_ctx, sidstr);
- primary_group_sid->sub_auths[primary_group_sid->num_auths-1]
- = samdb_result_uint(msgs[0], "primaryGroupID", 0);
-
- (*server_info)->user_sid = user_sid;
- (*server_info)->primary_group_sid = primary_group_sid;
-
- (*server_info)->n_domain_groups = group_ret;
- (*server_info)->domain_groups = groupSIDs;
+static NTSTATUS check_sam_security_internals(const struct auth_context *auth_context,
+ const char *domain,
+ TALLOC_CTX *mem_ctx,
+ const struct auth_usersupplied_info *user_info,
+ struct auth_serversupplied_info **server_info)
+{
+ /* mark this as 'not for me' */
+ NTSTATUS nt_status = NT_STATUS_NOT_IMPLEMENTED;
+ const char *username = user_info->internal_username.str;
+ struct ldb_message **msgs;
+ struct ldb_message **domain_msgs;
+ void *sam_ctx;
+ DATA_BLOB user_sess_key, lm_sess_key;
+ if (!username || !*username) {
+ return nt_status;
}
- (*server_info)->guest = False;
+ sam_ctx = samdb_connect(mem_ctx);
+ if (sam_ctx == NULL) {
+ return NT_STATUS_INVALID_SYSTEM_SERVICE;
+ }
+
+ nt_status = sam_search_user(username, domain, mem_ctx, sam_ctx, &msgs, &domain_msgs);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return nt_status;
+ }
+
+ nt_status = sam_check_password(auth_context, username, mem_ctx, sam_ctx, msgs, domain_msgs[0]->dn, user_info,
+ &user_sess_key, &lm_sess_key);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return nt_status;
+ }
+
+ nt_status = sam_make_server_info(mem_ctx, sam_ctx, msgs, domain_msgs, server_info);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return nt_status;
+ }
+
+ talloc_reference(auth_context, *server_info);
(*server_info)->user_session_key = user_sess_key;
(*server_info)->lm_session_key = lm_sess_key;
+ return NT_STATUS_OK;
+}
- return nt_status;
+static NTSTATUS check_sam_security(const struct auth_context *auth_context,
+ void *my_private_data,
+ TALLOC_CTX *mem_ctx,
+ const struct auth_usersupplied_info *user_info,
+ struct auth_serversupplied_info **server_info)
+{
+ return check_sam_security_internals(auth_context, NULL,
+ mem_ctx, user_info, server_info);
}
/* module initialisation */
const struct auth_usersupplied_info *user_info,
struct auth_serversupplied_info **server_info)
{
+ const char *domain;
+ 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;
+ }
+ domain = lp_netbios_name();
+ break;
+ 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;
+ }
+ domain = lp_workgroup();
+ break;
+ default: /* name is ok */
+ domain = user_info->domain.str;
+ break;
}
- return check_sam_security(auth_context, my_private_data, mem_ctx, user_info, server_info);
+ return check_sam_security_internals(auth_context, domain, mem_ctx, user_info, server_info);
}
/* module initialisation */
ops.name = "sam";
ops.init = auth_init_sam;
- ret = register_backend("auth", &ops);
+ ret = auth_register(&ops);
if (!NT_STATUS_IS_OK(ret)) {
DEBUG(0,("Failed to register '%s' auth backend!\n",
ops.name));
ops.name = "sam_ignoredomain";
ops.init = auth_init_sam_ignoredomain;
- ret = register_backend("auth", &ops);
+ ret = auth_register(&ops);
if (!NT_STATUS_IS_OK(ret)) {
DEBUG(0,("Failed to register '%s' auth backend!\n",
ops.name));
git.samba.org / samba.git / blobdiff