/*
- Unix SMB/Netbios implementation.
- Version 1.9.
+ Unix SMB/CIFS implementation.
Authentication utility functions
Copyright (C) Andrew Tridgell 1992-1998
Copyright (C) Andrew Bartlett 2001
Copyright (C) Jeremy Allison 2000-2001
+ Copyright (C) Rafal Szczesniak 2002
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
#include "includes.h"
-/* Data to do lanman1/2 password challenge. */
-static unsigned char saved_challenge[8];
-static BOOL challenge_sent=False;
-extern fstring remote_machine;
-extern pstring global_myname;
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_AUTH
-/*******************************************************************
- Get the next challenge value - no repeats.
-********************************************************************/
+extern DOM_SID global_sid_World;
+extern DOM_SID global_sid_Network;
+extern DOM_SID global_sid_Builtin_Guests;
+extern DOM_SID global_sid_Authenticated_Users;
-void generate_next_challenge(char *challenge)
-{
- unsigned char buf[8];
-
- generate_random_buffer(buf,8,False);
- memcpy(saved_challenge, buf, 8);
- memcpy(challenge,buf,8);
- challenge_sent = True;
-}
-
-/*******************************************************************
- Set the last challenge sent, usually from a password server.
-********************************************************************/
-
-BOOL set_challenge(unsigned char *challenge)
-{
- memcpy(saved_challenge,challenge,8);
- challenge_sent = True;
- return(True);
-}
-
-/*******************************************************************
- Get the last challenge sent.
-********************************************************************/
-
-BOOL last_challenge(unsigned char *challenge)
-{
- if (!challenge_sent)
- return(False);
- memcpy(challenge,saved_challenge,8);
- return(True);
-}
/****************************************************************************
Create a UNIX user on demand.
return ret;
}
-/****************************************************************************
- Delete a UNIX user on demand.
-****************************************************************************/
-
-static int smb_delete_user(char *unix_user)
-{
- pstring del_script;
- int ret;
-
- pstrcpy(del_script, lp_deluser_script());
- if (! *del_script)
- return -1;
- all_string_sub(del_script, "%u", unix_user, sizeof(pstring));
- ret = smbrun(del_script,NULL);
- DEBUG(3,("smb_delete_user: Running the command `%s' gave %d\n",del_script,ret));
- return ret;
-}
-
/****************************************************************************
Add and Delete UNIX users on demand, based on NTSTATUS codes.
****************************************************************************/
-void smb_user_control(const auth_usersupplied_info *user_info, auth_serversupplied_info *server_info, NTSTATUS nt_status)
+void smb_user_control(const auth_usersupplied_info *user_info, auth_serversupplied_info *server_info, NTSTATUS nt_status)
{
struct passwd *pwd=NULL;
if(lp_adduser_script() && !(pwd = Get_Pwnam(user_info->internal_username.str))) {
smb_create_user(user_info->internal_username.str, NULL);
}
- } else {
- if(lp_adduser_script()) {
- SMB_STRUCT_STAT st;
- const char *home_dir = pdb_get_homedir(server_info->sam_account);
- /*
- * Also call smb_create_user if the users home directory
- * doesn't exist. Used with winbindd to allow the script to
- * create the home directory for a user mapped with winbindd.
- */
-
- if (home_dir &&
- (sys_stat(home_dir, &st) == -1) && (errno == ENOENT)) {
- smb_create_user(user_info->internal_username.str, home_dir);
- }
- }
}
- } else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_SUCH_USER)) {
- /*
- * User failed to validate ok against Domain controller.
- * If the failure was "user doesn't exist" and admin
- * wants us to try and delete that UNIX user on the fly,
- * do so.
- */
- if (lp_deluser_script()) {
- smb_delete_user(user_info->internal_username.str);
+ }
+}
+
+/****************************************************************************
+ Create a SAM_ACCOUNT - either by looking in the pdb, or by faking it up from
+ unix info.
+****************************************************************************/
+
+NTSTATUS auth_get_sam_account(const char *user, SAM_ACCOUNT **account)
+{
+ BOOL pdb_ret;
+ NTSTATUS nt_status;
+ if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam(account))) {
+ return nt_status;
+ }
+
+ become_root();
+ pdb_ret = pdb_getsampwnam(*account, user);
+ unbecome_root();
+
+ if (!pdb_ret) {
+
+ struct passwd *pass = Get_Pwnam(user);
+ if (!pass)
+ return NT_STATUS_NO_SUCH_USER;
+
+ if (!NT_STATUS_IS_OK(nt_status = pdb_fill_sam_pw(*account, pass))) {
+ return nt_status;
}
}
+ return NT_STATUS_OK;
}
/****************************************************************************
Create an auth_usersupplied_data structure
****************************************************************************/
-BOOL make_user_info(auth_usersupplied_info **user_info,
- char *smb_name, char *internal_username,
- char *client_domain, char *domain,
- char *wksta_name, DATA_BLOB sec_blob,
- DATA_BLOB lm_pwd, DATA_BLOB nt_pwd,
- DATA_BLOB plaintext,
- uint32 ntlmssp_flags, BOOL encrypted)
+static NTSTATUS make_user_info(auth_usersupplied_info **user_info,
+ const char *smb_name,
+ const char *internal_username,
+ const char *client_domain,
+ const char *domain,
+ const char *wksta_name,
+ DATA_BLOB lm_pwd, DATA_BLOB nt_pwd,
+ DATA_BLOB plaintext,
+ uint32 auth_flags, BOOL encrypted)
{
DEBUG(5,("attempting to make a user_info for %s (%s)\n", internal_username, smb_name));
*user_info = malloc(sizeof(**user_info));
if (!user_info) {
DEBUG(0,("malloc failed for user_info (size %d)\n", sizeof(*user_info)));
- return False;
+ return NT_STATUS_NO_MEMORY;
}
ZERO_STRUCTP(*user_info);
- DEBUG(5,("makeing strings for %s's user_info struct\n", internal_username));
+ DEBUG(5,("making strings for %s's user_info struct\n", internal_username));
(*user_info)->smb_name.str = strdup(smb_name);
if ((*user_info)->smb_name.str) {
(*user_info)->smb_name.len = strlen(smb_name);
} else {
free_user_info(user_info);
- return False;
+ return NT_STATUS_NO_MEMORY;
}
(*user_info)->internal_username.str = strdup(internal_username);
(*user_info)->internal_username.len = strlen(internal_username);
} else {
free_user_info(user_info);
- return False;
+ return NT_STATUS_NO_MEMORY;
}
(*user_info)->domain.str = strdup(domain);
(*user_info)->domain.len = strlen(domain);
} else {
free_user_info(user_info);
- return False;
+ return NT_STATUS_NO_MEMORY;
}
(*user_info)->client_domain.str = strdup(client_domain);
(*user_info)->client_domain.len = strlen(client_domain);
} else {
free_user_info(user_info);
- return False;
+ return NT_STATUS_NO_MEMORY;
}
(*user_info)->wksta_name.str = strdup(wksta_name);
(*user_info)->wksta_name.len = strlen(wksta_name);
} else {
free_user_info(user_info);
- return False;
+ return NT_STATUS_NO_MEMORY;
}
- DEBUG(5,("makeing blobs for %s's user_info struct\n", internal_username));
+ DEBUG(5,("making blobs for %s's user_info struct\n", internal_username));
- (*user_info)->sec_blob = data_blob(sec_blob.data, sec_blob.length);
(*user_info)->lm_resp = data_blob(lm_pwd.data, lm_pwd.length);
(*user_info)->nt_resp = data_blob(nt_pwd.data, nt_pwd.length);
(*user_info)->plaintext_password = data_blob(plaintext.data, plaintext.length);
(*user_info)->encrypted = encrypted;
- (*user_info)->ntlmssp_flags = ntlmssp_flags;
+ (*user_info)->auth_flags = auth_flags;
DEBUG(10,("made an %sencrypted user_info for %s (%s)\n", encrypted ? "":"un" , internal_username, smb_name));
- return True;
+ return NT_STATUS_OK;
}
/****************************************************************************
Create an auth_usersupplied_data structure after appropriate mapping.
****************************************************************************/
-BOOL make_user_info_map(auth_usersupplied_info **user_info,
- char *smb_name,
- char *client_domain,
- char *wksta_name, DATA_BLOB sec_blob,
- DATA_BLOB lm_pwd, DATA_BLOB nt_pwd,
- DATA_BLOB plaintext,
- uint32 ntlmssp_flags, BOOL encrypted)
+NTSTATUS make_user_info_map(auth_usersupplied_info **user_info,
+ const char *smb_name,
+ const char *client_domain,
+ const char *wksta_name,
+ DATA_BLOB lm_pwd, DATA_BLOB nt_pwd,
+ DATA_BLOB plaintext,
+ uint32 ntlmssp_flags, BOOL encrypted)
{
- char *domain;
+ const char *domain;
fstring internal_username;
fstrcpy(internal_username, smb_name);
map_username(internal_username);
- if (lp_allow_trusted_domains()) {
+ DEBUG(5, ("make_user_info_map: Mapping user [%s]\\[%s] from workstation [%s]\n",
+ client_domain, smb_name, wksta_name));
+
+ if (lp_allow_trusted_domains() && *client_domain) {
+
+ /* the client could have given us a workstation name
+ or other crap for the workgroup - we really need a
+ way of telling if this domain name is one of our
+ trusted domain names
+
+ Also don't allow "" as a domain, fixes a Win9X bug
+ where it doens't supply a domain for logon script
+ 'net use' commands.
+
+ Finally, we do this by looking up a cache of trusted domains!
+ */
+
domain = client_domain;
+
+ if (is_trusted_domain(domain)) {
+ return make_user_info(user_info, smb_name, internal_username,
+ client_domain, domain, wksta_name,
+ lm_pwd, nt_pwd, plaintext, ntlmssp_flags,
+ encrypted);
+ }
+
} else {
domain = lp_workgroup();
}
return make_user_info(user_info,
smb_name, internal_username,
client_domain, domain,
- wksta_name, sec_blob,
+ wksta_name,
lm_pwd, nt_pwd,
plaintext,
ntlmssp_flags, encrypted);
/****************************************************************************
Create an auth_usersupplied_data, making the DATA_BLOBs here.
- Decrupt and encrypt the passwords.
+ Decrypt and encrypt the passwords.
****************************************************************************/
BOOL make_user_info_netlogon_network(auth_usersupplied_info **user_info,
- char *smb_name,
- char *client_domain,
- char *wksta_name, uchar chal[8],
- uchar *lm_network_pwd, int lm_pwd_len,
- uchar *nt_network_pwd, int nt_pwd_len)
+ const char *smb_name,
+ const char *client_domain,
+ const char *wksta_name,
+ const uchar *lm_network_pwd, int lm_pwd_len,
+ const uchar *nt_network_pwd, int nt_pwd_len)
{
BOOL ret;
- DATA_BLOB sec_blob = data_blob(chal, sizeof(chal));
+ NTSTATUS nt_status;
DATA_BLOB lm_blob = data_blob(lm_network_pwd, lm_pwd_len);
DATA_BLOB nt_blob = data_blob(nt_network_pwd, nt_pwd_len);
DATA_BLOB plaintext_blob = data_blob(NULL, 0);
- uint32 ntlmssp_flags = 0;
+ uint32 auth_flags = AUTH_FLAG_NONE;
if (lm_pwd_len)
- ntlmssp_flags |= NTLMSSP_NEGOTIATE_OEM;
+ auth_flags |= AUTH_FLAG_LM_RESP;
if (nt_pwd_len == 24) {
- ntlmssp_flags |= NTLMSSP_NEGOTIATE_NTLM;
+ auth_flags |= AUTH_FLAG_NTLM_RESP;
} else if (nt_pwd_len != 0) {
- ntlmssp_flags |= NTLMSSP_NEGOTIATE_NTLM2;
+ auth_flags |= AUTH_FLAG_NTLMv2_RESP;
}
- ret = make_user_info_map(user_info,
- smb_name, client_domain,
- wksta_name, sec_blob,
- nt_blob, lm_blob,
- plaintext_blob,
- ntlmssp_flags, True);
+ nt_status = make_user_info_map(user_info,
+ smb_name, client_domain,
+ wksta_name,
+ lm_blob, nt_blob,
+ plaintext_blob,
+ auth_flags, True);
+
+ ret = NT_STATUS_IS_OK(nt_status) ? True : False;
data_blob_free(&lm_blob);
data_blob_free(&nt_blob);
/****************************************************************************
Create an auth_usersupplied_data, making the DATA_BLOBs here.
- Decrupt and encrypt the passwords.
+ Decrypt and encrypt the passwords.
****************************************************************************/
BOOL make_user_info_netlogon_interactive(auth_usersupplied_info **user_info,
- char *smb_name,
- char *client_domain,
- char *wksta_name,
- uchar lm_interactive_pwd[16],
- uchar nt_interactive_pwd[16],
- uchar *dc_sess_key)
+ const char *smb_name,
+ const char *client_domain,
+ const char *wksta_name,
+ const uchar chal[8],
+ const uchar lm_interactive_pwd[16],
+ const uchar nt_interactive_pwd[16],
+ const uchar *dc_sess_key)
{
char lm_pwd[16];
char nt_pwd[16];
unsigned char local_lm_response[24];
unsigned char local_nt_response[24];
unsigned char key[16];
- uint8 chal[8];
- uint32 ntlmssp_flags = 0;
+ uint32 auth_flags = AUTH_FLAG_NONE;
- generate_random_buffer(chal, 8, False);
-
ZERO_STRUCT(key);
memcpy(key, dc_sess_key, 8);
dump_data(100, nt_pwd, sizeof(nt_pwd));
#endif
- generate_random_buffer(chal, 8, False);
SMBOWFencrypt((const unsigned char *)lm_pwd, chal, local_lm_response);
SMBOWFencrypt((const unsigned char *)nt_pwd, chal, local_nt_response);
- /* Password info parinoia */
+ /* Password info paranoia */
ZERO_STRUCT(lm_pwd);
ZERO_STRUCT(nt_pwd);
ZERO_STRUCT(key);
{
BOOL ret;
- DATA_BLOB sec_blob = data_blob(chal, sizeof(chal));
+ NTSTATUS nt_status;
DATA_BLOB local_lm_blob = data_blob(local_lm_response, sizeof(local_lm_response));
DATA_BLOB local_nt_blob = data_blob(local_nt_response, sizeof(local_nt_response));
DATA_BLOB plaintext_blob = data_blob(NULL, 0);
if (lm_interactive_pwd)
- ntlmssp_flags |= NTLMSSP_NEGOTIATE_OEM;
+ auth_flags |= AUTH_FLAG_LM_RESP;
if (nt_interactive_pwd)
- ntlmssp_flags |= NTLMSSP_NEGOTIATE_NTLM;
-
- ret = make_user_info_map(user_info,
- smb_name, client_domain,
- wksta_name, sec_blob,
- local_lm_blob,
- local_nt_blob,
- plaintext_blob,
- ntlmssp_flags, True);
+ auth_flags |= AUTH_FLAG_NTLM_RESP;
+
+ nt_status = make_user_info_map(user_info,
+ smb_name, client_domain,
+ wksta_name,
+ local_lm_blob,
+ local_nt_blob,
+ plaintext_blob,
+ auth_flags, True);
+ ret = NT_STATUS_IS_OK(nt_status) ? True : False;
data_blob_free(&local_lm_blob);
data_blob_free(&local_nt_blob);
return ret;
}
}
+
/****************************************************************************
Create an auth_usersupplied_data structure
****************************************************************************/
-BOOL make_user_info_winbind(auth_usersupplied_info **user_info,
- char *username,
- char *domain,
- char *password)
+BOOL make_user_info_for_reply(auth_usersupplied_info **user_info,
+ const char *smb_name,
+ const char *client_domain,
+ const uint8 chal[8],
+ DATA_BLOB plaintext_password)
{
- unsigned char local_lm_response[24];
- unsigned char local_nt_response[24];
- char chal[8];
+
DATA_BLOB local_lm_blob;
DATA_BLOB local_nt_blob;
- DATA_BLOB plaintext_blob;
- uint32 ntlmssp_flags = 0;
-
+ NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
+ uint32 auth_flags = AUTH_FLAG_NONE;
+
/*
* Not encrypted - do so.
*/
- DEBUG(5,("pass_check_smb: User passwords not in encrypted format.\n"));
+ DEBUG(5,("make_user_info_for_reply: User passwords not in encrypted format.\n"));
- generate_random_buffer(chal, 8, False);
-
- if (*password) {
- SMBencrypt( (uchar *)password, chal, local_lm_response);
+ if (plaintext_password.data) {
+ unsigned char local_lm_response[24];
- /* This encrypts the lm_pwd feild, which actualy contains the password
- rather than the nt_pwd field becouse that contains nothing */
+#ifdef DEBUG_PASSWORD
+ DEBUG(10,("Unencrypted password (len %d):\n",plaintext_password.length));
+ dump_data(100, plaintext_password.data, plaintext_password.length);
+#endif
+
+ SMBencrypt( (const uchar *)plaintext_password.data, (const uchar*)chal, local_lm_response);
+ local_lm_blob = data_blob(local_lm_response, 24);
- /* WATCH OUT. This doesn't work if the incoming password is incorrectly cased.
- We might want to add a check here and only do an LM in that case */
+ /* We can't do an NT hash here, as the password needs to be
+ case insensitive */
+ local_nt_blob = data_blob(NULL, 0);
- SMBNTencrypt((const uchar *)password, chal, local_nt_response);
-
- local_lm_blob = data_blob(local_lm_response, sizeof(local_lm_response));
- local_nt_blob = data_blob(local_nt_response, sizeof(local_nt_response));
- plaintext_blob = data_blob(password, strlen(password)+1);
- if ((!local_lm_blob.data) || (!local_nt_blob.data)|| (!plaintext_blob.data)) {
- data_blob_free(&local_lm_blob);
- data_blob_free(&local_nt_blob);
- data_blob_clear_free(&plaintext_blob);
- return False;
- }
- ntlmssp_flags = NTLMSSP_NEGOTIATE_OEM | NTLMSSP_NEGOTIATE_NTLM;
+ auth_flags = (AUTH_FLAG_PLAINTEXT | AUTH_FLAG_LM_RESP);
} else {
- local_lm_blob = data_blob(NULL, 0);
- local_nt_blob = data_blob(NULL, 0);
- plaintext_blob = data_blob(NULL, 0);
+ local_lm_blob = data_blob(NULL, 0);
+ local_nt_blob = data_blob(NULL, 0);
}
+
+ ret = make_user_info_map(user_info, smb_name,
+ client_domain,
+ get_remote_machine_name(),
+ local_lm_blob,
+ local_nt_blob,
+ plaintext_password,
+ auth_flags, False);
+
+ data_blob_free(&local_lm_blob);
+ return NT_STATUS_IS_OK(ret) ? True : False;
+}
- {
- BOOL ret;
- DATA_BLOB sec_blob = data_blob(chal, sizeof(chal));
-
- if (!sec_blob.data) {
- return False;
- }
+/****************************************************************************
+ Create an auth_usersupplied_data structure
+****************************************************************************/
- ret = make_user_info(user_info,
- username, username,
- domain, domain,
- global_myname, sec_blob,
- local_nt_blob,
- local_lm_blob,
- plaintext_blob,
- ntlmssp_flags, False);
-
- data_blob_free(&local_lm_blob);
- data_blob_free(&local_nt_blob);
- data_blob_clear_free(&plaintext_blob);
- return ret;
+NTSTATUS make_user_info_for_reply_enc(auth_usersupplied_info **user_info,
+ const char *smb_name,
+ const char *client_domain,
+ DATA_BLOB lm_resp, DATA_BLOB nt_resp)
+{
+ uint32 auth_flags = AUTH_FLAG_NONE;
+
+ DATA_BLOB no_plaintext_blob = data_blob(NULL, 0);
+
+ if (lm_resp.length == 24) {
+ auth_flags |= AUTH_FLAG_LM_RESP;
}
+ if (nt_resp.length == 0) {
+ } else if (nt_resp.length == 24) {
+ auth_flags |= AUTH_FLAG_NTLM_RESP;
+ } else {
+ auth_flags |= AUTH_FLAG_NTLMv2_RESP;
+ }
+
+ return make_user_info_map(user_info, smb_name,
+ client_domain,
+ get_remote_machine_name(),
+ lm_resp,
+ nt_resp,
+ no_plaintext_blob,
+ auth_flags, True);
}
/****************************************************************************
- Create an auth_usersupplied_data, making the DATA_BLOBs here.
- Decrupt and encrypt the passwords.
+ Create a guest user_info blob, for anonymous authenticaion.
****************************************************************************/
-BOOL make_user_info_winbind_crap(auth_usersupplied_info **user_info,
- char *smb_name,
- char *client_domain,
- uchar chal[8],
- uchar *lm_network_pwd, int lm_pwd_len,
- uchar *nt_network_pwd, int nt_pwd_len)
+BOOL make_user_info_guest(auth_usersupplied_info **user_info)
{
- BOOL ret;
- DATA_BLOB sec_blob = data_blob(chal, sizeof(chal));
- DATA_BLOB lm_blob = data_blob(lm_network_pwd, lm_pwd_len);
- DATA_BLOB nt_blob = data_blob(nt_network_pwd, nt_pwd_len);
+ DATA_BLOB lm_blob = data_blob(NULL, 0);
+ DATA_BLOB nt_blob = data_blob(NULL, 0);
DATA_BLOB plaintext_blob = data_blob(NULL, 0);
- uint32 ntlmssp_flags = 0;
+ uint32 auth_flags = AUTH_FLAG_NONE;
+ NTSTATUS nt_status;
- if (lm_pwd_len)
- ntlmssp_flags |= NTLMSSP_NEGOTIATE_OEM;
- if (nt_pwd_len)
- ntlmssp_flags |= NTLMSSP_NEGOTIATE_NTLM;
-
- ret = make_user_info(user_info,
- smb_name, smb_name,
- client_domain, client_domain,
- global_myname, sec_blob,
- nt_blob, lm_blob,
- plaintext_blob,
- ntlmssp_flags, True);
+ nt_status = make_user_info(user_info,
+ "","",
+ "","",
+ "",
+ nt_blob, lm_blob,
+ plaintext_blob,
+ auth_flags, True);
+
+ return NT_STATUS_IS_OK(nt_status) ? True : False;
+}
- data_blob_free(&lm_blob);
- data_blob_free(&nt_blob);
- return ret;
+/****************************************************************************
+ prints a NT_USER_TOKEN to debug output.
+****************************************************************************/
+
+void debug_nt_user_token(int dbg_class, int dbg_lev, NT_USER_TOKEN *token)
+{
+ fstring sid_str;
+ size_t i;
+
+ if (!token) {
+ DEBUGC(dbg_class, dbg_lev, ("NT user token: (NULL)\n"));
+ return;
+ }
+
+ DEBUGC(dbg_class, dbg_lev, ("NT user token of user %s\n",
+ sid_to_string(sid_str, &token->user_sids[0]) ));
+ DEBUGADDC(dbg_class, dbg_lev, ("contains %i SIDs\n", token->num_sids));
+ for (i = 0; i < token->num_sids; i++)
+ DEBUGADDC(dbg_class, dbg_lev, ("SID[%3i]: %s\n", i,
+ sid_to_string(sid_str, &token->user_sids[i])));
}
/****************************************************************************
- Create an auth_usersupplied_data structure
+ prints a UNIX 'token' to debug output.
****************************************************************************/
-BOOL make_user_info_for_reply(auth_usersupplied_info **user_info,
- char *smb_name,
- char *client_domain,
- DATA_BLOB lm_resp, DATA_BLOB nt_resp,
- DATA_BLOB plaintext_password,
- BOOL encrypted)
+void debug_unix_user_token(int dbg_class, int dbg_lev, uid_t uid, gid_t gid, int n_groups, gid_t *groups)
{
- uchar chal[8];
+ int i;
+ DEBUGC(dbg_class, dbg_lev, ("UNIX token of user %ld\n", (long int)uid));
- DATA_BLOB local_lm_blob;
- DATA_BLOB local_nt_blob;
- DATA_BLOB sec_blob;
- BOOL ret = False;
- uint32 ntlmssp_flags = 0;
-
- if (encrypted) {
- DATA_BLOB no_plaintext_blob = data_blob(NULL, 0);
- if (!last_challenge(chal)) {
- DEBUG(0,("Encrypted login but no challange set!\n"));
- return False;
- }
- sec_blob = data_blob(chal, 8);
-
- if (lm_resp.length == 24) {
- ntlmssp_flags |= NTLMSSP_NEGOTIATE_OEM;
- }
- if (nt_resp.length == 0) {
- } else if (nt_resp.length == 24) {
- ntlmssp_flags |= NTLMSSP_NEGOTIATE_NTLM;
- } else {
- ntlmssp_flags |= NTLMSSP_NEGOTIATE_NTLM2;
- }
+ DEBUGADDC(dbg_class, dbg_lev, ("Primary group is %ld and contains %i supplementary groups\n", (long int)gid, n_groups));
+ for (i = 0; i < n_groups; i++)
+ DEBUGADDC(dbg_class, dbg_lev, ("Group[%3i]: %ld\n", i,
+ (long int)groups[i]));
+}
+
+/****************************************************************************
+ Create the SID list for this user.
+****************************************************************************/
- return make_user_info_map(user_info, smb_name,
- client_domain,
- remote_machine, sec_blob,
- lm_resp,
- nt_resp,
- no_plaintext_blob,
- ntlmssp_flags, encrypted);
+static NTSTATUS create_nt_user_token(const DOM_SID *user_sid, const DOM_SID *group_sid,
+ int n_groupSIDs, DOM_SID *groupSIDs,
+ BOOL is_guest, NT_USER_TOKEN **token)
+{
+ NTSTATUS nt_status = NT_STATUS_OK;
+ NT_USER_TOKEN *ptoken;
+ int i;
+ int sid_ndx;
+
+ if ((ptoken = malloc( sizeof(NT_USER_TOKEN) ) ) == NULL) {
+ DEBUG(0, ("create_nt_token: Out of memory allocating token\n"));
+ nt_status = NT_STATUS_NO_MEMORY;
+ return nt_status;
}
- generate_random_buffer(chal, 8, False);
+ ZERO_STRUCTP(ptoken);
+
+ ptoken->num_sids = n_groupSIDs + 5;
- sec_blob = data_blob(chal, 8);
+ if ((ptoken->user_sids = (DOM_SID *)malloc( sizeof(DOM_SID) * ptoken->num_sids )) == NULL) {
+ DEBUG(0, ("create_nt_token: Out of memory allocating SIDs\n"));
+ nt_status = NT_STATUS_NO_MEMORY;
+ return nt_status;
+ }
+
+ memset((char*)ptoken->user_sids,0,sizeof(DOM_SID) * ptoken->num_sids);
/*
- * Not encrypted - do so.
+ * Note - user SID *MUST* be first in token !
+ * se_access_check depends on this.
+ *
+ * Primary group SID is second in token. Convention.
*/
-
- DEBUG(5,("pass_check_smb: User passwords not in encrypted format.\n"));
-
- if (plaintext_password.data) {
- unsigned char local_lm_response[24];
- SMBencrypt( (uchar *)plaintext_password.data, chal, local_lm_response);
- local_lm_blob = data_blob(local_lm_response, 24);
-
- /* We can't do an NT hash here, as the password needs to be case insensitive */
- local_nt_blob = data_blob(NULL, 0);
+ sid_copy(&ptoken->user_sids[PRIMARY_USER_SID_INDEX], user_sid);
+ if (group_sid)
+ sid_copy(&ptoken->user_sids[PRIMARY_GROUP_SID_INDEX], group_sid);
+
+ /*
+ * Finally add the "standard" SIDs.
+ * The only difference between guest and "anonymous" (which we
+ * don't really support) is the addition of Authenticated_Users.
+ */
+
+ sid_copy(&ptoken->user_sids[2], &global_sid_World);
+ sid_copy(&ptoken->user_sids[3], &global_sid_Network);
+
+ if (is_guest)
+ sid_copy(&ptoken->user_sids[4], &global_sid_Builtin_Guests);
+ else
+ sid_copy(&ptoken->user_sids[4], &global_sid_Authenticated_Users);
+
+ sid_ndx = 5; /* next available spot */
+
+ for (i = 0; i < n_groupSIDs; i++) {
+ size_t check_sid_idx;
+ for (check_sid_idx = 1; check_sid_idx < ptoken->num_sids; check_sid_idx++) {
+ if (sid_equal(&ptoken->user_sids[check_sid_idx],
+ &groupSIDs[i])) {
+ break;
+ }
+ }
- ntlmssp_flags = NTLMSSP_NEGOTIATE_OEM;
- } else {
- local_lm_blob = data_blob(NULL, 0);
- local_nt_blob = data_blob(NULL, 0);
+ if (check_sid_idx >= ptoken->num_sids) /* Not found already */ {
+ sid_copy(&ptoken->user_sids[sid_ndx++], &groupSIDs[i]);
+ } else {
+ ptoken->num_sids--;
+ }
}
- ret = make_user_info_map(user_info, smb_name,
- client_domain,
- remote_machine,
- sec_blob,
- local_lm_blob,
- local_nt_blob,
- plaintext_password,
- ntlmssp_flags, encrypted);
+ debug_nt_user_token(DBGC_AUTH, 10, ptoken);
- data_blob_free(&local_lm_blob);
- return ret;
+ *token = ptoken;
+
+ return nt_status;
}
/****************************************************************************
- Create a guest user_info blob, for anonymous authenticaion.
+ Create the SID list for this user.
****************************************************************************/
-BOOL make_user_info_guest(auth_usersupplied_info **user_info)
+NT_USER_TOKEN *create_nt_token(uid_t uid, gid_t gid, int ngroups, gid_t *groups, BOOL is_guest)
{
- DATA_BLOB sec_blob = data_blob(NULL, 0);
- DATA_BLOB lm_blob = data_blob(NULL, 0);
- DATA_BLOB nt_blob = data_blob(NULL, 0);
- DATA_BLOB plaintext_blob = data_blob(NULL, 0);
- uint32 ntlmssp_flags = 0;
+ DOM_SID user_sid;
+ DOM_SID group_sid;
+ DOM_SID *group_sids;
+ NT_USER_TOKEN *token;
+ int i;
- return make_user_info(user_info,
- "","",
- "","",
- "", sec_blob,
- nt_blob, lm_blob,
- plaintext_blob,
- ntlmssp_flags, True);
+ if (NT_STATUS_IS_ERR(uid_to_sid(&user_sid, uid))) {
+ return NULL;
+ }
+ if (NT_STATUS_IS_ERR(gid_to_sid(&group_sid, gid))) {
+ return NULL;
+ }
+
+ group_sids = malloc(sizeof(DOM_SID) * ngroups);
+ if (!group_sids) {
+ DEBUG(0, ("create_nt_token: malloc() failed for DOM_SID list!\n"));
+ return NULL;
+ }
+
+ for (i = 0; i < ngroups; i++) {
+ if (NT_STATUS_IS_ERR(gid_to_sid(&(group_sids)[i], (groups)[i]))) {
+ DEBUG(1, ("create_nt_token: failed to convert gid %ld to a sid!\n", (long int)groups[i]));
+ SAFE_FREE(group_sids);
+ return NULL;
+ }
+ }
+
+ if (!NT_STATUS_IS_OK(create_nt_user_token(&user_sid, &group_sid,
+ ngroups, group_sids, is_guest, &token))) {
+ SAFE_FREE(group_sids);
+ return NULL;
+ }
+
+ SAFE_FREE(group_sids);
+
+ return token;
+}
+
+/******************************************************************************
+ * this function returns the groups (SIDs) of the local SAM the user is in.
+ * If this samba server is a DC of the domain the user belongs to, it returns
+ * both domain groups and local / builtin groups. If the user is in a trusted
+ * domain, or samba is a member server of a domain, then this function returns
+ * local and builtin groups the user is a member of.
+ *
+ * currently this is a hack, as there is no sam implementation that is capable
+ * of groups.
+ ******************************************************************************/
+
+static NTSTATUS get_user_groups_from_local_sam(SAM_ACCOUNT *sampass,
+ int *n_groups, DOM_SID **groups, gid_t **unix_groups)
+{
+ uid_t uid;
+ gid_t gid;
+ int n_unix_groups;
+ int i;
+
+ *n_groups = 0;
+ *groups = NULL;
+
+ if (NT_STATUS_IS_ERR(sid_to_uid(pdb_get_user_sid(sampass), &uid)) || NT_STATUS_IS_ERR(sid_to_gid(pdb_get_group_sid(sampass), &gid))) {
+ DEBUG(0, ("get_user_groups_from_local_sam: error fetching uid or gid for user!\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ n_unix_groups = groups_max();
+ if ((*unix_groups = malloc( sizeof(gid_t) * n_unix_groups ) ) == NULL) {
+ DEBUG(0, ("get_user_groups_from_local_sam: Out of memory allocating unix group list\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (sys_getgrouplist(pdb_get_username(sampass), gid, *unix_groups, &n_unix_groups) == -1) {
+ gid_t *groups_tmp;
+ groups_tmp = Realloc(*unix_groups, sizeof(gid_t) * n_unix_groups);
+ if (!groups_tmp) {
+ SAFE_FREE(*unix_groups);
+ return NT_STATUS_NO_MEMORY;
+ }
+ *unix_groups = groups_tmp;
+
+ if (sys_getgrouplist(pdb_get_username(sampass), gid, *unix_groups, &n_unix_groups) == -1) {
+ DEBUG(0, ("get_user_groups_from_local_sam: failed to get the unix group list\n"));
+ SAFE_FREE(*unix_groups);
+ return NT_STATUS_NO_SUCH_USER; /* what should this return value be? */
+ }
+ }
+
+ debug_unix_user_token(DBGC_CLASS, 5, uid, gid, n_unix_groups, *unix_groups);
+
+ if (n_unix_groups > 0) {
+ *groups = malloc(sizeof(DOM_SID) * n_unix_groups);
+ if (!*groups) {
+ DEBUG(0, ("get_user_group_from_local_sam: malloc() failed for DOM_SID list!\n"));
+ SAFE_FREE(*unix_groups);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ *n_groups = n_unix_groups;
+
+ for (i = 0; i < *n_groups; i++) {
+ if (NT_STATUS_IS_ERR(gid_to_sid(&(*groups)[i], (*unix_groups)[i]))) {
+ DEBUG(1, ("get_user_groups_from_local_sam: failed to convert gid %ld to a sid!\n", (long int)(*unix_groups)[i+1]));
+ SAFE_FREE(*groups);
+ SAFE_FREE(*unix_groups);
+ return NT_STATUS_NO_SUCH_USER;
+ }
+ }
+
+ return NT_STATUS_OK;
}
-BOOL make_server_info(auth_serversupplied_info **server_info)
+/***************************************************************************
+ Make a user_info struct
+***************************************************************************/
+
+static NTSTATUS make_server_info(auth_serversupplied_info **server_info, SAM_ACCOUNT *sampass)
{
+ NTSTATUS ret;
+
*server_info = malloc(sizeof(**server_info));
if (!*server_info) {
- DEBUG(0,("make_server_info_sam: malloc failed!\n"));
- return False;
+ DEBUG(0,("make_server_info: malloc failed!\n"));
+ return NT_STATUS_NO_MEMORY;
}
ZERO_STRUCTP(*server_info);
- return True;
+
+ (*server_info)->sam_fill_level = SAM_FILL_ALL;
+ (*server_info)->sam_account = sampass;
+ if (NT_STATUS_IS_ERR(ret = sid_to_uid(pdb_get_user_sid(sampass), &((*server_info)->uid))))
+ return ret;
+ if (NT_STATUS_IS_ERR(ret = sid_to_gid(pdb_get_group_sid(sampass), &((*server_info)->gid))))
+ return ret;
+
+ return NT_STATUS_OK;
}
-BOOL make_server_info_sam(auth_serversupplied_info **server_info, SAM_ACCOUNT *sampass)
+/***************************************************************************
+ Make (and fill) a user_info struct from a SAM_ACCOUNT
+***************************************************************************/
+
+NTSTATUS make_server_info_sam(auth_serversupplied_info **server_info,
+ SAM_ACCOUNT *sampass)
{
- if (!make_server_info(server_info)) {
- return False;
+ NTSTATUS nt_status = NT_STATUS_OK;
+ const DOM_SID *user_sid = pdb_get_user_sid(sampass);
+ const DOM_SID *group_sid = pdb_get_group_sid(sampass);
+ int n_groupSIDs = 0;
+ DOM_SID *groupSIDs = NULL;
+ gid_t *unix_groups = NULL;
+ NT_USER_TOKEN *token;
+ BOOL is_guest;
+ uint32 rid;
+
+ if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info, sampass))) {
+ return nt_status;
}
+
+ if (!NT_STATUS_IS_OK(nt_status
+ = get_user_groups_from_local_sam(sampass,
+ &n_groupSIDs, &groupSIDs, &unix_groups)))
+ {
+ DEBUG(4,("get_user_groups_from_local_sam failed\n"));
+ free_server_info(server_info);
+ return nt_status;
+ }
+
+ is_guest = (sid_peek_rid(user_sid, &rid) && rid == DOMAIN_USER_RID_GUEST);
- (*server_info)->sam_fill_level = SAM_FILL_ALL;
- (*server_info)->sam_account = sampass;
+ if (!NT_STATUS_IS_OK(nt_status = create_nt_user_token(user_sid, group_sid,
+ n_groupSIDs, groupSIDs, is_guest,
+ &token)))
+ {
+ DEBUG(4,("create_nt_user_token failed\n"));
+ SAFE_FREE(groupSIDs);
+ SAFE_FREE(unix_groups);
+ free_server_info(server_info);
+ return nt_status;
+ }
+
+ SAFE_FREE(groupSIDs);
+
+ (*server_info)->n_groups = n_groupSIDs;
+ (*server_info)->groups = unix_groups;
- DEBUG(5,("make_server_info_sam: made sever info for user %s\n",
+ (*server_info)->ptok = token;
+
+ DEBUG(5,("make_server_info_sam: made server info for user %s\n",
pdb_get_username((*server_info)->sam_account)));
- return True;
+
+ return nt_status;
}
-BOOL make_server_info_pw(auth_serversupplied_info **server_info, struct passwd *pwd)
+/***************************************************************************
+ Make (and fill) a user_info struct from a 'struct passwd' by conversion
+ to a SAM_ACCOUNT
+***************************************************************************/
+
+NTSTATUS make_server_info_pw(auth_serversupplied_info **server_info, const struct passwd *pwd)
{
+ NTSTATUS nt_status;
SAM_ACCOUNT *sampass = NULL;
- if (!pdb_init_sam_pw(&sampass, pwd)) {
- return False;
+ if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_pw(&sampass, pwd))) {
+ return nt_status;
}
return make_server_info_sam(server_info, sampass);
}
+/***************************************************************************
+ Make (and fill) a user_info struct for a guest login.
+***************************************************************************/
+
+NTSTATUS make_server_info_guest(auth_serversupplied_info **server_info)
+{
+ NTSTATUS nt_status;
+ SAM_ACCOUNT *sampass = NULL;
+ DOM_SID guest_sid;
+
+ if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam(&sampass))) {
+ return nt_status;
+ }
+
+ sid_copy(&guest_sid, get_global_sam_sid());
+ sid_append_rid(&guest_sid, DOMAIN_USER_RID_GUEST);
+
+ become_root();
+ if (!pdb_getsampwsid(sampass, &guest_sid)) {
+ unbecome_root();
+ return NT_STATUS_NO_SUCH_USER;
+ }
+ unbecome_root();
+
+ nt_status = make_server_info_sam(server_info, sampass);
+
+ if (NT_STATUS_IS_OK(nt_status)) {
+ (*server_info)->guest = True;
+ }
+
+ return nt_status;
+}
+
+/***************************************************************************
+ Make a server_info struct from the info3 returned by a domain logon
+***************************************************************************/
+
+NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx,
+ const char *internal_username,
+ const char *sent_nt_username,
+ const char *domain,
+ auth_serversupplied_info **server_info,
+ NET_USER_INFO_3 *info3)
+{
+ NTSTATUS nt_status = NT_STATUS_OK;
+
+ const char *nt_domain;
+ const char *nt_username;
+
+ SAM_ACCOUNT *sam_account = NULL;
+ DOM_SID user_sid;
+ DOM_SID group_sid;
+
+ struct passwd *passwd;
+
+ unid_t u_id, g_id;
+ int u_type, g_type;
+
+ int n_lgroupSIDs;
+ DOM_SID *lgroupSIDs = NULL;
+
+ gid_t *unix_groups = NULL;
+ NT_USER_TOKEN *token;
+
+ DOM_SID *all_group_SIDs;
+ size_t i;
+
+ /*
+ Here is where we should check the list of
+ trusted domains, and verify that the SID
+ matches.
+ */
+
+ sid_copy(&user_sid, &info3->dom_sid.sid);
+ if (!sid_append_rid(&user_sid, info3->user_rid)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ sid_copy(&group_sid, &info3->dom_sid.sid);
+ if (!sid_append_rid(&group_sid, info3->group_rid)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (!(nt_username = unistr2_tdup(mem_ctx, &(info3->uni_user_name)))) {
+ /* If the server didn't give us one, just use the one we sent them */
+ nt_username = sent_nt_username;
+ }
+
+ if (!(nt_domain = unistr2_tdup(mem_ctx, &(info3->uni_logon_dom)))) {
+ /* If the server didn't give us one, just use the one we sent them */
+ domain = domain;
+ }
+
+ u_type = ID_USERID;
+ g_type = ID_GROUPID;
+ if (NT_STATUS_IS_OK(idmap_get_id_from_sid(&u_id, &u_type, &user_sid))
+ && NT_STATUS_IS_OK(idmap_get_id_from_sid(&g_id, &g_type, &group_sid))
+ && ((passwd = getpwuid_alloc(u_id.uid)))) {
+ nt_status = pdb_init_sam_pw(&sam_account, passwd);
+ passwd_free(&passwd);
+ } else {
+ char *dom_user;
+ dom_user = talloc_asprintf(mem_ctx, "%s%s%s",
+ nt_domain,
+ lp_winbind_separator(),
+ internal_username);
+
+ if (!dom_user) {
+ DEBUG(0, ("talloc_asprintf failed!\n"));
+ return NT_STATUS_NO_MEMORY;
+ } else {
+
+ if (!(passwd = Get_Pwnam(dom_user))
+ /* Only lookup local for the local
+ domain, we don't want this for
+ trusted domains */
+ && strequal(nt_domain, lp_workgroup())) {
+ passwd = Get_Pwnam(internal_username);
+ }
+
+ if (!passwd) {
+ return NT_STATUS_NO_SUCH_USER;
+ } else {
+ nt_status = pdb_init_sam_pw(&sam_account, passwd);
+ }
+ }
+ }
+
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ DEBUG(0, ("make_server_info_info3: pdb_init_sam failed!\n"));
+ return nt_status;
+ }
+
+ if (!pdb_set_user_sid(sam_account, &user_sid, PDB_CHANGED)) {
+ pdb_free_sam(&sam_account);
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ if (!pdb_set_group_sid(sam_account, &group_sid, PDB_CHANGED)) {
+ pdb_free_sam(&sam_account);
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ if (!pdb_set_nt_username(sam_account, nt_username, PDB_CHANGED)) {
+ pdb_free_sam(&sam_account);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_domain(sam_account, nt_domain, PDB_CHANGED)) {
+ pdb_free_sam(&sam_account);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_fullname(sam_account, unistr2_static(&(info3->uni_full_name)), PDB_CHANGED)) {
+ pdb_free_sam(&sam_account);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_logon_script(sam_account, unistr2_static(&(info3->uni_logon_script)), PDB_CHANGED)) {
+ pdb_free_sam(&sam_account);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_profile_path(sam_account, unistr2_static(&(info3->uni_profile_path)), PDB_CHANGED)) {
+ pdb_free_sam(&sam_account);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_homedir(sam_account, unistr2_static(&(info3->uni_home_dir)), PDB_CHANGED)) {
+ pdb_free_sam(&sam_account);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_dir_drive(sam_account, unistr2_static(&(info3->uni_dir_drive)), PDB_CHANGED)) {
+ pdb_free_sam(&sam_account);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info, sam_account))) {
+ DEBUG(4, ("make_server_info failed!\n"));
+ pdb_free_sam(&sam_account);
+ return nt_status;
+ }
+
+ /* Store the user group information in the server_info
+ returned to the caller. */
+
+ if (!NT_STATUS_IS_OK(nt_status
+ = get_user_groups_from_local_sam(sam_account,
+ &n_lgroupSIDs,
+ &lgroupSIDs,
+ &unix_groups)))
+ {
+ DEBUG(4,("get_user_groups_from_local_sam failed\n"));
+ return nt_status;
+ }
+
+ (*server_info)->groups = unix_groups;
+ (*server_info)->n_groups = n_lgroupSIDs;
+
+ /* Create a 'combined' list of all SIDs we might want in the SD */
+ all_group_SIDs = malloc(sizeof(DOM_SID) *
+ (n_lgroupSIDs + info3->num_groups2 +
+ info3->num_other_sids));
+ if (!all_group_SIDs) {
+ DEBUG(0, ("create_nt_token_info3: malloc() failed for DOM_SID list!\n"));
+ SAFE_FREE(lgroupSIDs);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* Copy the 'local' sids */
+ memcpy(all_group_SIDs, lgroupSIDs, sizeof(DOM_SID) * n_lgroupSIDs);
+ SAFE_FREE(lgroupSIDs);
+
+ /* and create (by appending rids) the 'domain' sids */
+ for (i = 0; i < info3->num_groups2; i++) {
+ sid_copy(&all_group_SIDs[i+n_lgroupSIDs], &(info3->dom_sid.sid));
+ if (!sid_append_rid(&all_group_SIDs[i+n_lgroupSIDs], info3->gids[i].g_rid)) {
+ nt_status = NT_STATUS_INVALID_PARAMETER;
+ DEBUG(3,("create_nt_token_info3: could not append additional group rid 0x%x\n",
+ info3->gids[i].g_rid));
+ SAFE_FREE(lgroupSIDs);
+ return nt_status;
+ }
+ }
+
+ /* Copy 'other' sids. We need to do sid filtering here to
+ prevent possible elevation of privileges. See:
+
+ http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
+ */
+
+ for (i = 0; i < info3->num_other_sids; i++)
+ sid_copy(&all_group_SIDs[
+ n_lgroupSIDs + info3->num_groups2 + i],
+ &info3->other_sids[i].sid);
+
+ /* Where are the 'global' sids... */
+
+ /* can the user be guest? if yes, where is it stored? */
+ if (!NT_STATUS_IS_OK(
+ nt_status = create_nt_user_token(
+ &user_sid, &group_sid,
+ n_lgroupSIDs + info3->num_groups2 + info3->num_other_sids,
+ all_group_SIDs, False, &token))) {
+ DEBUG(4,("create_nt_user_token failed\n"));
+ SAFE_FREE(all_group_SIDs);
+ return nt_status;
+ }
+
+ (*server_info)->ptok = token;
+
+ SAFE_FREE(all_group_SIDs);
+
+ memcpy((*server_info)->session_key, info3->user_sess_key, sizeof((*server_info)->session_key)/* 16 */);
+ memcpy((*server_info)->first_8_lm_hash, info3->padding, 8);
+
+ return NT_STATUS_OK;
+}
+
+/***************************************************************************
+ Free a user_info struct
+***************************************************************************/
+
void free_user_info(auth_usersupplied_info **user_info)
{
DEBUG(5,("attempting to free (and zero) a user_info structure\n"));
SAFE_FREE((*user_info)->internal_username.str);
SAFE_FREE((*user_info)->client_domain.str);
SAFE_FREE((*user_info)->domain.str);
- data_blob_free(&(*user_info)->sec_blob);
+ SAFE_FREE((*user_info)->wksta_name.str);
data_blob_free(&(*user_info)->lm_resp);
data_blob_free(&(*user_info)->nt_resp);
SAFE_FREE((*user_info)->interactive_password);
void free_server_info(auth_serversupplied_info **server_info)
{
+ DEBUG(5,("attempting to free (and zero) a server_info structure\n"));
if (*server_info != NULL) {
pdb_free_sam(&(*server_info)->sam_account);
-
+
/* call pam_end here, unless we know we are keeping it */
delete_nt_token( &(*server_info)->ptok );
+ SAFE_FREE((*server_info)->groups);
ZERO_STRUCT(**server_info);
}
SAFE_FREE(*server_info);
}
/***************************************************************************
- Make a server_info struct for a guest user
+ Make an auth_methods struct
***************************************************************************/
-BOOL make_server_info_guest(auth_serversupplied_info **server_info)
+BOOL make_auth_methods(struct auth_context *auth_context, auth_methods **auth_method)
{
- struct passwd *pass = sys_getpwnam(lp_guestaccount());
-
- if (pass) {
- if (!make_server_info_pw(server_info, pass)) {
- return False;
- }
- (*server_info)->guest = True;
- return True;
+ if (!auth_context) {
+ smb_panic("no auth_context supplied to make_auth_methods()!\n");
}
- DEBUG(0,("make_server_info_guest: sys_getpwnam() failed on guest account!\n"));
- return False;
+
+ if (!auth_method) {
+ smb_panic("make_auth_methods: pointer to auth_method pointer is NULL!\n");
+ }
+
+ *auth_method = talloc(auth_context->mem_ctx, sizeof(**auth_method));
+ if (!*auth_method) {
+ DEBUG(0,("make_auth_method: malloc failed!\n"));
+ return False;
+ }
+ ZERO_STRUCTP(*auth_method);
+
+ return True;
}
/****************************************************************************
void delete_nt_token(NT_USER_TOKEN **pptoken)
{
if (*pptoken) {
- NT_USER_TOKEN *ptoken = *pptoken;
- SAFE_FREE( ptoken->user_sids );
- ZERO_STRUCTP(ptoken);
+ NT_USER_TOKEN *ptoken = *pptoken;
+ SAFE_FREE( ptoken->user_sids );
+ ZERO_STRUCTP(ptoken);
}
SAFE_FREE(*pptoken);
}
return token;
}
-/****************************************************************************
- Check for a guest logon (username = "") and if so create the required
- structure.
-****************************************************************************/
-
-NTSTATUS check_guest_security(const auth_usersupplied_info *user_info,
- auth_serversupplied_info **server_info)
+/**
+ * Squash an NT_STATUS in line with security requirements.
+ * In an attempt to avoid giving the whole game away when users
+ * are authenticating, NT replaces both NT_STATUS_NO_SUCH_USER and
+ * NT_STATUS_WRONG_PASSWORD with NT_STATUS_LOGON_FAILURE in certain situations
+ * (session setups in particular).
+ *
+ * @param nt_status NTSTATUS input for squashing.
+ * @return the 'squashed' nt_status
+ **/
+
+NTSTATUS nt_status_squash(NTSTATUS nt_status)
{
- NTSTATUS nt_status = NT_STATUS_LOGON_FAILURE;
+ if NT_STATUS_IS_OK(nt_status) {
+ return nt_status;
+ } else if NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_SUCH_USER) {
+ /* Match WinXP and don't give the game away */
+ return NT_STATUS_LOGON_FAILURE;
+
+ } else if NT_STATUS_EQUAL(nt_status, NT_STATUS_WRONG_PASSWORD) {
+ /* Match WinXP and don't give the game away */
+ return NT_STATUS_LOGON_FAILURE;
+ } else {
+ return nt_status;
+ }
+}
+
- if (!(user_info->internal_username.str
- && *user_info->internal_username.str)) {
- if (make_server_info_guest(server_info)) {
- nt_status = NT_STATUS_OK;
- } else {
- nt_status = NT_STATUS_NO_SUCH_USER;
- }
- }
- return nt_status;
-}
git.samba.org / ira / wip.git / blobdiff