- port AUTH and PASSDB subsystems to new

  SMB_SUBSYSTEM() scheme

- some const fixes in ntvfs

metze
(This used to be commit af89a78123068767b1d134969c5651a0fd978b0d)

1 files changed, 175 insertions, 0 deletions

diff --git a/source4/auth/auth.h b/source4/auth/auth.h
new file mode 100644
index 0000000000..dc12d8196f
--- /dev/null
+++ b/source4/auth/auth.h
@@ -0,0 +1,175 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Standardised Authentication types
+   Copyright (C) Andrew Bartlett 2001
+   
+   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
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef _SAMBA_AUTH_H
+#define _SAMBA_AUTH_H
+
+/* modules can use the following to determine if the interface has changed
+ * please increment the version number after each interface change
+ * with a comment and maybe update struct auth_critical_sizes.
+ */
+/* version 1 - version from samba 3.0 - metze */
+/* version 2 - initial samba4 version - metze */
+#define AUTH_INTERFACE_VERSION 2
+
+/* AUTH_STR - string */
+typedef struct auth_str
+{
+	int len;
+	char *str;
+} AUTH_STR;
+
+/* AUTH_UNISTR - unicode string or buffer */
+typedef struct auth_unistr
+{
+	int len;
+	uchar *unistr;
+} AUTH_UNISTR;
+
+#define AUTH_FLAG_NONE        0x000000
+#define AUTH_FLAG_PLAINTEXT   0x000001
+#define AUTH_FLAG_LM_RESP     0x000002
+#define AUTH_FLAG_NTLM_RESP   0x000004
+#define AUTH_FLAG_NTLMv2_RESP 0x000008
+
+typedef struct auth_usersupplied_info
+{
+ 	DATA_BLOB lm_resp;
+	DATA_BLOB nt_resp;
+ 	DATA_BLOB plaintext_password;
+	
+	BOOL encrypted;
+	
+	uint32 auth_flags;
+
+	AUTH_STR           client_domain;          /* domain name string */
+	AUTH_STR           domain;               /* domain name after mapping */
+	AUTH_STR           internal_username;    /* username after mapping */
+	AUTH_STR           smb_name;        /* username before mapping */
+	AUTH_STR           wksta_name;           /* workstation name (netbios calling name) unicode string */
+} auth_usersupplied_info;
+
+#define SAM_FILL_NAME  0x01
+#define SAM_FILL_INFO3 0x02
+#define SAM_FILL_SAM   0x04
+#define SAM_FILL_UNIX  0x08
+#define SAM_FILL_ALL (SAM_FILL_NAME | SAM_FILL_INFO3 | SAM_FILL_SAM | SAM_FILL_UNIX)
+
+typedef struct auth_serversupplied_info 
+{
+	BOOL guest;
+	
+	/* This groups info is needed for when we become_user() for this uid */
+	int n_groups;
+	gid_t *groups;
+	
+	/* NT group information taken from the info3 structure */
+	
+	NT_USER_TOKEN *ptok;
+	
+	uint8 session_key[16];
+	uint8 first_8_lm_hash[8];
+	DATA_BLOB nt_session_key;
+	DATA_BLOB lm_session_key;
+
+	uint32 sam_fill_level;  /* How far is this structure filled? */
+	
+	SAM_ACCOUNT *sam_account;
+	
+	void *pam_handle;
+} auth_serversupplied_info;
+
+struct auth_context {
+	DATA_BLOB challenge; 
+
+	/* Who set this up in the first place? */ 
+	const char *challenge_set_by; 
+
+	BOOL challenge_may_be_modified;
+
+	struct auth_methods *challenge_set_method; 
+	/* What order are the various methods in?   Try to stop it changing under us */ 
+	struct auth_methods *auth_method_list;	
+
+	TALLOC_CTX *mem_ctx;
+	const uint8 *(*get_ntlm_challenge)(struct auth_context *auth_context);
+	NTSTATUS (*check_ntlm_password)(const struct auth_context *auth_context,
+					const struct auth_usersupplied_info *user_info, 
+					struct auth_serversupplied_info **server_info);
+	NTSTATUS (*nt_status_squash)(NTSTATUS nt_status);
+	void (*free)(struct auth_context **auth_context);
+};
+
+typedef struct auth_methods
+{
+	struct auth_methods *prev, *next;
+	const char *name; /* What name got this module */
+
+	NTSTATUS (*auth)(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);
+
+	DATA_BLOB (*get_chal)(const struct auth_context *auth_context,
+			      void **my_private_data, 
+			      TALLOC_CTX *mem_ctx);
+	
+	/* Used to keep tabs on things like the cli for SMB server authentication */
+	void *private_data;
+	
+	/* Function to clean up the above arbitary structure */
+	void (*free_private_data)(void **private_data);
+
+	/* Function to send a keepalive message on the above structure */
+	void (*send_keepalive)(void **private_data);
+} auth_methods;
+
+typedef struct auth_ntlmssp_state
+{
+	TALLOC_CTX *mem_ctx;
+	struct auth_context *auth_context;
+	struct auth_serversupplied_info *server_info;
+	struct ntlmssp_state *ntlmssp_state;
+} AUTH_NTLMSSP_STATE;
+
+#define auth_ops __XXX_ERROR_BLA
+struct auth_operations {
+	/* the name of the backend */
+	const char *name;
+
+	/* Function to create a member of the authmethods list */
+	NTSTATUS (*init)(struct auth_context *, const char *, struct auth_methods **);
+};
+
+/* this structure is used by backends to determine the size of some critical types */
+struct auth_critical_sizes {
+	int interface_version;
+	int sizeof_auth_operations;
+	int sizeof_auth_methods;
+	int sizeof_auth_context;
+	int sizeof_auth_ntlmssp_state;
+	int sizeof_auth_usersupplied_info;
+	int sizeof_auth_serversupplied_info;
+	int sizeof_auth_str;
+	int sizeof_auth_unistr;
+};
+
+#endif /* _SAMBA_AUTH_H */