/*
- Unix SMB/Netbios implementation.
- Version 2.2
+ Unix SMB/CIFS implementation.
Password and authentication handling
Copyright (C) Andrew Bartlett 2001
#include "includes.h"
-extern int DEBUGLEVEL;
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_AUTH
-/****************************************************************************
-update the encrypted smbpasswd file from the plaintext username and password
-
-this ugly hack needs to die, but not quite yet...
-*****************************************************************************/
-static BOOL update_smbpassword_file(char *user, char *password)
+/**
+ * update the encrypted smbpasswd file from the plaintext username and password
+ *
+ * this ugly hack needs to die, but not quite yet, I think people still use it...
+ **/
+static BOOL update_smbpassword_file(const char *user, const char *password)
{
- SAM_ACCOUNT *sampass = NULL;
- BOOL ret;
+ struct samu *sampass;
+ BOOL ret;
- pdb_init_sam(&sampass);
+ if ( !(sampass = samu_new( NULL )) ) {
+ return False;
+ }
become_root();
ret = pdb_getsampwnam(sampass, user);
if(ret == False) {
DEBUG(0,("pdb_getsampwnam returned NULL\n"));
- pdb_free_sam(sampass);
+ TALLOC_FREE(sampass);
return False;
}
* Remove the account disabled flag - we are updating the
* users password from a login.
*/
- pdb_set_acct_ctrl(sampass, pdb_get_acct_ctrl(sampass) & ~ACB_DISABLED);
+ if (!pdb_set_acct_ctrl(sampass, pdb_get_acct_ctrl(sampass) & ~ACB_DISABLED, PDB_CHANGED)) {
+ TALLOC_FREE(sampass);
+ return False;
+ }
+
+ if (!pdb_set_plaintext_passwd (sampass, password)) {
+ TALLOC_FREE(sampass);
+ return False;
+ }
+
+ /* Now write it into the file. */
+ become_root();
+
+ ret = NT_STATUS_IS_OK(pdb_update_sam_account (sampass));
+
+ unbecome_root();
- /* Here, the flag is one, because we want to ignore the
- XXXXXXX'd out password */
- ret = change_oem_password( sampass, password, True);
- if (ret == False) {
- DEBUG(3,("change_oem_password returned False\n"));
+ if (ret) {
+ DEBUG(3,("pdb_update_sam_account returned %d\n",ret));
}
- pdb_free_sam(sampass);
+ TALLOC_FREE(sampass);
return ret;
}
-/****************************************************************************
-check if a username/password is OK assuming the password
-in PLAIN TEXT
-****************************************************************************/
+/** Check a plaintext username/password
+ *
+ * Cannot deal with an encrupted password in any manner whatsoever,
+ * unless the account has a null password.
+ **/
-NTSTATUS check_unix_security(const auth_usersupplied_info *user_info, auth_serversupplied_info *server_info)
+static NTSTATUS check_unix_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)
{
NTSTATUS nt_status;
-
+ struct passwd *pass = NULL;
+
become_root();
- nt_status = (pass_check(user_info->smb_username.str, user_info->plaintext_password.str,
- user_info->plaintext_password.len,
- lp_update_encrypted() ? update_smbpassword_file : NULL)
- ? NT_STATUS_OK : NT_STATUS_LOGON_FAILURE);
+ pass = Get_Pwnam(user_info->internal_username);
+
+
+ /** @todo This call assumes a ASCII password, no charset transformation is
+ done. We may need to revisit this **/
+ nt_status = pass_check(pass,
+ pass ? pass->pw_name : user_info->internal_username,
+ (char *)user_info->plaintext_password.data,
+ user_info->plaintext_password.length-1,
+ lp_update_encrypted() ?
+ update_smbpassword_file : NULL,
+ True);
+
unbecome_root();
+ if (NT_STATUS_IS_OK(nt_status)) {
+ if (pass) {
+ make_server_info_pw(server_info, pass->pw_name, pass);
+ } else {
+ /* we need to do somthing more useful here */
+ nt_status = NT_STATUS_NO_SUCH_USER;
+ }
+ }
+
return nt_status;
}
+/* module initialisation */
+static NTSTATUS auth_init_unix(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)->name = "unix";
+ (*auth_method)->auth = check_unix_security;
+ return NT_STATUS_OK;
+}
+NTSTATUS auth_unix_init(void)
+{
+ return smb_register_auth(AUTH_INTERFACE_VERSION, "unix", auth_init_unix);
+}