-/*
+/*
Unix SMB/CIFS implementation.
Authentication utility functions
Copyright (C) Andrew Tridgell 1992-1998
Create a UNIX user on demand.
****************************************************************************/
-static int smb_create_user(const char *unix_user, const char *homedir)
+static int smb_create_user(const char *domain, const char *unix_username, const char *homedir)
{
pstring add_script;
int ret;
pstrcpy(add_script, lp_adduser_script());
if (! *add_script)
return -1;
- all_string_sub(add_script, "%u", unix_user, sizeof(pstring));
+ all_string_sub(add_script, "%u", unix_username, sizeof(pstring));
+ if (domain)
+ all_string_sub(add_script, "%D", domain, sizeof(pstring));
if (homedir)
all_string_sub(add_script, "%H", homedir, sizeof(pstring));
ret = smbrun(add_script,NULL);
/****************************************************************************
Add and Delete UNIX users on demand, based on NTSTATUS codes.
+ We don't care about RID's here so ignore.
****************************************************************************/
-void smb_user_control(const auth_usersupplied_info *user_info, auth_serversupplied_info *server_info, NTSTATUS nt_status)
+void auth_add_user_script(const char *domain, const char *username)
{
- struct passwd *pwd=NULL;
-
- if (NT_STATUS_IS_OK(nt_status)) {
-
- if (!(server_info->sam_fill_level & SAM_FILL_UNIX)) {
-
- /*
- * User validated ok against Domain controller.
- * If the admin wants us to try and create a UNIX
- * user on the fly, do so.
- */
-
- if(lp_adduser_script() && !(pwd = Get_Pwnam(user_info->internal_username.str))) {
- smb_create_user(user_info->internal_username.str, NULL);
- }
+ uint32 rid;
+ /*
+ * User validated ok against Domain controller.
+ * If the admin wants us to try and create a UNIX
+ * user on the fly, do so.
+ */
+
+ if ( *lp_adduser_script() )
+ smb_create_user(domain, username, NULL);
+ else {
+ DEBUG(10,("auth_add_user_script: no 'add user script'. Asking winbindd\n"));
+
+ /* should never get here is we a re a domain member running winbindd
+ However, a host set for 'security = server' might run winbindd for
+ account allocation */
+
+ if ( !winbind_create_user(username, NULL) ) {
+ DEBUG(5,("auth_add_user_script: winbindd_create_user() failed\n"));
+ rid = 0;
}
}
}
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)
+ DATA_BLOB *lm_pwd, DATA_BLOB *nt_pwd,
+ DATA_BLOB *lm_interactive_pwd, DATA_BLOB *nt_interactive_pwd,
+ DATA_BLOB *plaintext,
+ BOOL encrypted)
{
DEBUG(5,("attempting to make a user_info for %s (%s)\n", internal_username, smb_name));
- *user_info = malloc(sizeof(**user_info));
+ *user_info = SMB_MALLOC_P(auth_usersupplied_info);
if (!user_info) {
- DEBUG(0,("malloc failed for user_info (size %d)\n", sizeof(*user_info)));
+ DEBUG(0,("malloc failed for user_info (size %lu)\n", (unsigned long)sizeof(*user_info)));
return NT_STATUS_NO_MEMORY;
}
DEBUG(5,("making strings for %s's user_info struct\n", internal_username));
- (*user_info)->smb_name.str = strdup(smb_name);
+ (*user_info)->smb_name.str = SMB_STRDUP(smb_name);
if ((*user_info)->smb_name.str) {
(*user_info)->smb_name.len = strlen(smb_name);
} else {
return NT_STATUS_NO_MEMORY;
}
- (*user_info)->internal_username.str = strdup(internal_username);
+ (*user_info)->internal_username.str = SMB_STRDUP(internal_username);
if ((*user_info)->internal_username.str) {
(*user_info)->internal_username.len = strlen(internal_username);
} else {
return NT_STATUS_NO_MEMORY;
}
- (*user_info)->domain.str = strdup(domain);
+ (*user_info)->domain.str = SMB_STRDUP(domain);
if ((*user_info)->domain.str) {
(*user_info)->domain.len = strlen(domain);
} else {
return NT_STATUS_NO_MEMORY;
}
- (*user_info)->client_domain.str = strdup(client_domain);
+ (*user_info)->client_domain.str = SMB_STRDUP(client_domain);
if ((*user_info)->client_domain.str) {
(*user_info)->client_domain.len = strlen(client_domain);
} else {
return NT_STATUS_NO_MEMORY;
}
- (*user_info)->wksta_name.str = strdup(wksta_name);
+ (*user_info)->wksta_name.str = SMB_STRDUP(wksta_name);
if ((*user_info)->wksta_name.str) {
(*user_info)->wksta_name.len = strlen(wksta_name);
} else {
DEBUG(5,("making blobs for %s's user_info struct\n", internal_username));
- (*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);
+ if (lm_pwd)
+ (*user_info)->lm_resp = data_blob(lm_pwd->data, lm_pwd->length);
+ if (nt_pwd)
+ (*user_info)->nt_resp = data_blob(nt_pwd->data, nt_pwd->length);
+ if (lm_interactive_pwd)
+ (*user_info)->lm_interactive_pwd = data_blob(lm_interactive_pwd->data, lm_interactive_pwd->length);
+ if (nt_interactive_pwd)
+ (*user_info)->nt_interactive_pwd = data_blob(nt_interactive_pwd->data, nt_interactive_pwd->length);
+
+ if (plaintext)
+ (*user_info)->plaintext_password = data_blob(plaintext->data, plaintext->length);
(*user_info)->encrypted = encrypted;
- (*user_info)->auth_flags = auth_flags;
DEBUG(10,("made an %sencrypted user_info for %s (%s)\n", encrypted ? "":"un" , internal_username, smb_name));
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)
+ DATA_BLOB *lm_pwd, DATA_BLOB *nt_pwd,
+ DATA_BLOB *lm_interactive_pwd, DATA_BLOB *nt_interactive_pwd,
+ DATA_BLOB *plaintext,
+ BOOL encrypted)
{
const char *domain;
fstring internal_username;
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.
-
- The way I do it here is by checking if the fully
- qualified username exists. This is rather reliant
- on winbind, but until we have a better method this
- will have to do
- */
+ /* don't allow "" as a domain, fixes a Win9X bug
+ where it doens't supply a domain for logon script
+ 'net use' commands. */
+ if ( *client_domain )
domain = client_domain;
+ else
+ domain = lp_workgroup();
- if ((smb_name) && (*smb_name)) { /* Don't do this for guests */
- char *user = NULL;
- if (asprintf(&user, "%s%s%s",
- client_domain, lp_winbind_separator(),
- smb_name) < 0) {
- DEBUG(0, ("make_user_info_map: asprintf() failed!\n"));
- return NT_STATUS_NO_MEMORY;
- }
+ /* do what win2k does. Always map unknown domains to our own
+ and let the "passdb backend" handle unknown users. */
- DEBUG(5, ("make_user_info_map: testing for user %s\n", user));
-
- if (Get_Pwnam(user) == NULL) {
- DEBUG(5, ("make_user_info_map: test for user %s failed\n", user));
- domain = lp_workgroup();
- DEBUG(5, ("make_user_info_map: trusted domain %s doesn't appear to exist, using %s\n",
- client_domain, domain));
- } else {
- DEBUG(5, ("make_user_info_map: using trusted domain %s\n", domain));
- }
- SAFE_FREE(user);
- }
- } else {
- domain = lp_workgroup();
- }
+ if ( !is_trusted_domain(domain) && !strequal(domain, get_global_sam_name()) )
+ domain = get_default_sam_name();
- return make_user_info(user_info,
- smb_name, internal_username,
- client_domain, domain,
- wksta_name,
- lm_pwd, nt_pwd,
- plaintext,
- ntlmssp_flags, encrypted);
+ /* we know that it is a trusted domain (and we are allowing them) or it is our domain */
+ return make_user_info(user_info, smb_name, internal_username,
+ client_domain, domain, wksta_name,
+ lm_pwd, nt_pwd,
+ lm_interactive_pwd, nt_interactive_pwd,
+ plaintext, encrypted);
}
/****************************************************************************
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 auth_flags = AUTH_FLAG_NONE;
-
- if (lm_pwd_len)
- auth_flags |= AUTH_FLAG_LM_RESP;
- if (nt_pwd_len == 24) {
- auth_flags |= AUTH_FLAG_NTLM_RESP;
- } else if (nt_pwd_len != 0) {
- auth_flags |= AUTH_FLAG_NTLMv2_RESP;
- }
nt_status = make_user_info_map(user_info,
- smb_name, client_domain,
- wksta_name,
- lm_blob, nt_blob,
- plaintext_blob,
- auth_flags, True);
+ smb_name, client_domain,
+ wksta_name,
+ lm_pwd_len ? &lm_blob : NULL,
+ nt_pwd_len ? &nt_blob : NULL,
+ NULL, NULL, NULL,
+ True);
ret = NT_STATUS_IS_OK(nt_status) ? True : False;
unsigned char local_lm_response[24];
unsigned char local_nt_response[24];
unsigned char key[16];
- uint32 auth_flags = AUTH_FLAG_NONE;
ZERO_STRUCT(key);
memcpy(key, dc_sess_key, 8);
dump_data(100, nt_pwd, sizeof(nt_pwd));
#endif
- SamOEMhash((uchar *)lm_pwd, key, sizeof(lm_pwd));
- SamOEMhash((uchar *)nt_pwd, key, sizeof(nt_pwd));
+ if (lm_interactive_pwd)
+ SamOEMhash((uchar *)lm_pwd, key, sizeof(lm_pwd));
+
+ if (nt_interactive_pwd)
+ SamOEMhash((uchar *)nt_pwd, key, sizeof(nt_pwd));
#ifdef DEBUG_PASSWORD
DEBUG(100,("decrypt of lm owf password:"));
dump_data(100, nt_pwd, sizeof(nt_pwd));
#endif
- SMBOWFencrypt((const unsigned char *)lm_pwd, chal, local_lm_response);
- SMBOWFencrypt((const unsigned char *)nt_pwd, chal, local_nt_response);
+ if (lm_interactive_pwd)
+ SMBOWFencrypt((const unsigned char *)lm_pwd, chal, local_lm_response);
+
+ if (nt_interactive_pwd)
+ SMBOWFencrypt((const unsigned char *)nt_pwd, chal, local_nt_response);
/* Password info paranoia */
- ZERO_STRUCT(lm_pwd);
- ZERO_STRUCT(nt_pwd);
ZERO_STRUCT(key);
{
BOOL ret;
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);
+ DATA_BLOB local_lm_blob;
+ DATA_BLOB local_nt_blob;
- if (lm_interactive_pwd)
- auth_flags |= AUTH_FLAG_LM_RESP;
- if (nt_interactive_pwd)
- auth_flags |= AUTH_FLAG_NTLM_RESP;
+ DATA_BLOB lm_interactive_blob;
+ DATA_BLOB nt_interactive_blob;
+
+ if (lm_interactive_pwd) {
+ local_lm_blob = data_blob(local_lm_response, sizeof(local_lm_response));
+ lm_interactive_blob = data_blob(lm_pwd, sizeof(lm_pwd));
+ ZERO_STRUCT(lm_pwd);
+ }
+
+ if (nt_interactive_pwd) {
+ local_nt_blob = data_blob(local_nt_response, sizeof(local_nt_response));
+ nt_interactive_blob = data_blob(nt_pwd, sizeof(nt_pwd));
+ ZERO_STRUCT(nt_pwd);
+ }
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);
-
+ lm_interactive_pwd ? &local_lm_blob : NULL,
+ nt_interactive_pwd ? &local_nt_blob : NULL,
+ lm_interactive_pwd ? &lm_interactive_blob : NULL,
+ nt_interactive_pwd ? &nt_interactive_blob : NULL,
+ NULL,
+ True);
+
ret = NT_STATUS_IS_OK(nt_status) ? True : False;
data_blob_free(&local_lm_blob);
data_blob_free(&local_nt_blob);
+ data_blob_free(&lm_interactive_blob);
+ data_blob_free(&nt_interactive_blob);
return ret;
}
}
DATA_BLOB local_lm_blob;
DATA_BLOB local_nt_blob;
NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
- uint32 auth_flags = AUTH_FLAG_NONE;
/*
* Not encrypted - do so.
dump_data(100, plaintext_password.data, plaintext_password.length);
#endif
- SMBencrypt( (const uchar *)plaintext_password.data, (const uchar*)chal, local_lm_response);
+ SMBencrypt( (const char *)plaintext_password.data, (const uchar*)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);
- auth_flags = (AUTH_FLAG_PLAINTEXT | AUTH_FLAG_LM_RESP);
} else {
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);
+ local_lm_blob.data ? &local_lm_blob : NULL,
+ local_nt_blob.data ? &local_nt_blob : NULL,
+ NULL, NULL,
+ plaintext_password.data ? &plaintext_password : NULL,
+ False);
data_blob_free(&local_lm_blob);
return NT_STATUS_IS_OK(ret) ? True : False;
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);
+ client_domain,
+ get_remote_machine_name(),
+ lm_resp.data ? &lm_resp : NULL,
+ nt_resp.data ? &nt_resp : NULL,
+ NULL, NULL, NULL,
+ True);
}
/****************************************************************************
BOOL make_user_info_guest(auth_usersupplied_info **user_info)
{
- 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 auth_flags = AUTH_FLAG_NONE;
NTSTATUS nt_status;
nt_status = make_user_info(user_info,
- "","",
- "","",
- "",
- nt_blob, lm_blob,
- plaintext_blob,
- auth_flags, True);
+ "","",
+ "","",
+ "",
+ NULL, NULL,
+ NULL, NULL,
+ NULL,
+ True);
return NT_STATUS_IS_OK(nt_status) ? True : False;
}
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));
+ DEBUGADDC(dbg_class, dbg_lev, ("contains %lu SIDs\n", (unsigned long)token->num_sids));
for (i = 0; i < token->num_sids; i++)
- DEBUGADDC(dbg_class, dbg_lev, ("SID[%3i]: %s\n", i,
+ DEBUGADDC(dbg_class, dbg_lev, ("SID[%3lu]: %s\n", (unsigned long)i,
sid_to_string(sid_str, &token->user_sids[i])));
+
+ dump_se_priv( dbg_class, dbg_lev, &token->privileges );
}
/****************************************************************************
int i;
int sid_ndx;
- if ((ptoken = malloc( sizeof(NT_USER_TOKEN) ) ) == NULL) {
+ if ((ptoken = SMB_MALLOC_P(NT_USER_TOKEN)) == NULL) {
DEBUG(0, ("create_nt_token: Out of memory allocating token\n"));
nt_status = NT_STATUS_NO_MEMORY;
return nt_status;
ptoken->num_sids = n_groupSIDs + 5;
- if ((ptoken->user_sids = (DOM_SID *)malloc( sizeof(DOM_SID) * ptoken->num_sids )) == NULL) {
+ if ((ptoken->user_sids = SMB_MALLOC_ARRAY( 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;
ptoken->num_sids--;
}
}
+
+ /* add privileges assigned to this user */
+
+ get_privileges_for_sids( &ptoken->privileges, ptoken->user_sids, ptoken->num_sids );
debug_nt_user_token(DBGC_AUTH, 10, ptoken);
NT_USER_TOKEN *token;
int i;
- if (!uid_to_sid(&user_sid, uid)) {
+ if (!NT_STATUS_IS_OK(uid_to_sid(&user_sid, uid))) {
return NULL;
}
- if (!gid_to_sid(&group_sid, gid)) {
+ if (!NT_STATUS_IS_OK(gid_to_sid(&group_sid, gid))) {
return NULL;
}
- group_sids = malloc(sizeof(DOM_SID) * ngroups);
+ group_sids = SMB_MALLOC_ARRAY(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 (!gid_to_sid(&(group_sids)[i], (groups)[i])) {
+ if (!NT_STATUS_IS_OK(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 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.
+ * 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.
+ *
+ * NOTE!! This function will fail if you pass in a winbind user without
+ * the domain --jerry
******************************************************************************/
-static NTSTATUS get_user_groups_from_local_sam(SAM_ACCOUNT *sampass,
- int *n_groups, DOM_SID **groups, gid_t **unix_groups)
+static NTSTATUS get_user_groups(const char *username, uid_t uid, gid_t gid,
+ int *n_groups, DOM_SID **groups, gid_t **unix_groups)
{
- uid_t uid;
- gid_t gid;
- int n_unix_groups;
- int i;
- struct passwd *usr;
+ int n_unix_groups;
+ int i;
*n_groups = 0;
*groups = NULL;
- if (!IS_SAM_UNIX_USER(sampass)) {
- DEBUG(1, ("user %s does not have a unix identity!\n", pdb_get_username(sampass)));
- return NT_STATUS_NO_SUCH_USER;
- }
+ if (strchr(username, *lp_winbind_separator()) == NULL) {
+ NTSTATUS result;
- uid = pdb_get_uid(sampass);
- gid = pdb_get_gid(sampass);
-
- 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"));
- passwd_free(&usr);
- return NT_STATUS_NO_MEMORY;
+ become_root();
+ result = pdb_enum_group_memberships(username, gid, groups,
+ unix_groups, n_groups);
+ unbecome_root();
+ return result;
}
+
+ /* We have the separator, this must be winbind */
- 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);
- passwd_free(&usr);
- return NT_STATUS_NO_MEMORY;
- }
- *unix_groups = groups_tmp;
+ n_unix_groups = winbind_getgroups( username, unix_groups );
- 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);
- passwd_free(&usr);
- return NT_STATUS_NO_SUCH_USER; /* what should this return value be? */
- }
- }
+ DEBUG(10,("get_user_groups: winbind_getgroups(%s): result = %s\n",
+ username, n_unix_groups == -1 ? "FAIL" : "SUCCESS"));
+
+ if ( n_unix_groups == -1 )
+ 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);
+ /* now setup the space for storing the SIDS */
+
if (n_unix_groups > 0) {
- *groups = malloc(sizeof(DOM_SID) * n_unix_groups);
+
+ *groups = SMB_MALLOC_ARRAY(DOM_SID, n_unix_groups);
+
if (!*groups) {
- DEBUG(0, ("get_user_group_from_local_sam: malloc() failed for DOM_SID list!\n"));
+ DEBUG(0, ("get_user_group: 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 (!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]));
+ if (!NT_STATUS_IS_OK(gid_to_sid(&(*groups)[i], (*unix_groups)[i]))) {
+ DEBUG(1, ("get_user_groups: 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;
Make a user_info struct
***************************************************************************/
-static NTSTATUS make_server_info(auth_serversupplied_info **server_info, SAM_ACCOUNT *sampass)
+static NTSTATUS make_server_info(auth_serversupplied_info **server_info)
{
- *server_info = malloc(sizeof(**server_info));
+ *server_info = SMB_MALLOC_P(auth_serversupplied_info);
if (!*server_info) {
DEBUG(0,("make_server_info: malloc failed!\n"));
return NT_STATUS_NO_MEMORY;
}
ZERO_STRUCTP(*server_info);
- (*server_info)->sam_fill_level = SAM_FILL_ALL;
- (*server_info)->sam_account = sampass;
+ /* Initialise the uid and gid values to something non-zero
+ which may save us from giving away root access if there
+ is a bug in allocating these fields. */
+
+ (*server_info)->uid = -1;
+ (*server_info)->gid = -1;
return NT_STATUS_OK;
}
/***************************************************************************
- Make (and fill) a user_info struct from a SAM_ACCOUNT
+Fill a server_info struct from a SAM_ACCOUNT with their groups
***************************************************************************/
-NTSTATUS make_server_info_sam(auth_serversupplied_info **server_info,
- SAM_ACCOUNT *sampass)
+static NTSTATUS add_user_groups(auth_serversupplied_info **server_info,
+ const char * unix_username,
+ SAM_ACCOUNT *sampass,
+ uid_t uid, gid_t gid)
{
- NTSTATUS nt_status = NT_STATUS_OK;
+ NTSTATUS nt_status;
const DOM_SID *user_sid = pdb_get_user_sid(sampass);
const DOM_SID *group_sid = pdb_get_group_sid(sampass);
int n_groupSIDs = 0;
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)))
- {
+ nt_status = get_user_groups(unix_username, uid, gid,
+ &n_groupSIDs, &groupSIDs, &unix_groups);
+
+ if (!NT_STATUS_IS_OK(nt_status)) {
DEBUG(4,("get_user_groups_from_local_sam failed\n"));
free_server_info(server_info);
return nt_status;
(*server_info)->n_groups = n_groupSIDs;
(*server_info)->groups = unix_groups;
-
(*server_info)->ptok = token;
+
+ return nt_status;
+}
+
+/***************************************************************************
+ Make (and fill) a user_info struct from a SAM_ACCOUNT
+***************************************************************************/
+
+NTSTATUS make_server_info_sam(auth_serversupplied_info **server_info,
+ SAM_ACCOUNT *sampass)
+{
+ NTSTATUS nt_status;
+ struct passwd *pwd;
+
+ if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info)))
+ return nt_status;
+
+ (*server_info)->sam_account = sampass;
+
+ if ( !(pwd = getpwnam_alloc(pdb_get_username(sampass))) ) {
+ DEBUG(1, ("User %s in passdb, but getpwnam() fails!\n",
+ pdb_get_username(sampass)));
+ free_server_info(server_info);
+ return NT_STATUS_NO_SUCH_USER;
+ }
+ (*server_info)->unix_name = smb_xstrdup(pwd->pw_name);
+ (*server_info)->gid = pwd->pw_gid;
+ (*server_info)->uid = pwd->pw_uid;
- DEBUG(5,("make_server_info_sam: made server info for user %s\n",
- pdb_get_username((*server_info)->sam_account)));
+ passwd_free(&pwd);
+
+ if (!NT_STATUS_IS_OK(nt_status = add_user_groups(server_info, pdb_get_username(sampass),
+ sampass,
+ (*server_info)->uid,
+ (*server_info)->gid)))
+ {
+ free_server_info(server_info);
+ return nt_status;
+ }
+
+ (*server_info)->sam_fill_level = SAM_FILL_ALL;
+ DEBUG(5,("make_server_info_sam: made server info for user %s -> %s\n",
+ pdb_get_username(sampass),
+ (*server_info)->unix_name));
return nt_status;
}
to a SAM_ACCOUNT
***************************************************************************/
-NTSTATUS make_server_info_pw(auth_serversupplied_info **server_info, const struct passwd *pwd)
+NTSTATUS make_server_info_pw(auth_serversupplied_info **server_info,
+ char *unix_username,
+ struct passwd *pwd)
{
NTSTATUS nt_status;
SAM_ACCOUNT *sampass = NULL;
if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_pw(&sampass, pwd))) {
return nt_status;
}
- return make_server_info_sam(server_info, sampass);
+ if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info))) {
+ return nt_status;
+ }
+
+ (*server_info)->sam_account = sampass;
+
+ if (!NT_STATUS_IS_OK(nt_status = add_user_groups(server_info, unix_username,
+ sampass, pwd->pw_uid, pwd->pw_gid)))
+ {
+ return nt_status;
+ }
+
+ (*server_info)->unix_name = smb_xstrdup(unix_username);
+
+ (*server_info)->sam_fill_level = SAM_FILL_ALL;
+ (*server_info)->uid = pwd->pw_uid;
+ (*server_info)->gid = pwd->pw_gid;
+ return nt_status;
}
/***************************************************************************
Make (and fill) a user_info struct for a guest login.
***************************************************************************/
-NTSTATUS make_server_info_guest(auth_serversupplied_info **server_info)
+static NTSTATUS make_new_server_info_guest(auth_serversupplied_info **server_info)
{
NTSTATUS nt_status;
SAM_ACCOUNT *sampass = NULL;
nt_status = make_server_info_sam(server_info, sampass);
if (NT_STATUS_IS_OK(nt_status)) {
+ static const char zeros[16];
(*server_info)->guest = True;
+
+ /* annoying, but the Guest really does have a session key,
+ and it is all zeros! */
+ (*server_info)->user_session_key = data_blob(zeros, sizeof(zeros));
+ (*server_info)->lm_session_key = data_blob(zeros, sizeof(zeros));
}
return nt_status;
}
+static auth_serversupplied_info *copy_serverinfo(auth_serversupplied_info *src)
+{
+ auth_serversupplied_info *dst;
+
+ if (!NT_STATUS_IS_OK(make_server_info(&dst)))
+ return NULL;
+
+ dst->guest = src->guest;
+ dst->uid = src->uid;
+ dst->gid = src->gid;
+ dst->n_groups = src->n_groups;
+ if (src->n_groups != 0)
+ dst->groups = memdup(src->groups, sizeof(gid_t)*dst->n_groups);
+ else
+ dst->groups = NULL;
+ dst->ptok = dup_nt_token(src->ptok);
+ dst->user_session_key = data_blob(src->user_session_key.data,
+ src->user_session_key.length);
+ dst->lm_session_key = data_blob(src->lm_session_key.data,
+ src->lm_session_key.length);
+ pdb_copy_sam_account(src->sam_account, &dst->sam_account);
+ dst->pam_handle = NULL;
+ dst->unix_name = smb_xstrdup(src->unix_name);
+
+ return dst;
+}
+
+static auth_serversupplied_info *guest_info = NULL;
+
+BOOL init_guest_info(void)
+{
+ if (guest_info != NULL)
+ return True;
+
+ return NT_STATUS_IS_OK(make_new_server_info_guest(&guest_info));
+}
+
+NTSTATUS make_server_info_guest(auth_serversupplied_info **server_info)
+{
+ *server_info = copy_serverinfo(guest_info);
+ return (*server_info != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
+}
+
+/***************************************************************************
+ Purely internal function for make_server_info_info3
+ Fill the sam account from getpwnam
+***************************************************************************/
+static NTSTATUS fill_sam_account(TALLOC_CTX *mem_ctx,
+ const char *domain,
+ const char *username,
+ char **found_username,
+ uid_t *uid, gid_t *gid,
+ SAM_ACCOUNT **sam_account)
+{
+ fstring dom_user, lower_username;
+ fstring real_username;
+ struct passwd *passwd;
+
+ fstrcpy( lower_username, username );
+ strlower_m( lower_username );
+
+ fstr_sprintf(dom_user, "%s%c%s", domain, *lp_winbind_separator(),
+ lower_username);
+
+ /* get the passwd struct but don't create the user if he/she
+ does not exist. We were explicitly called from a following
+ a winbindd authentication request so we should assume that
+ nss_winbindd is working */
+
+ map_username( dom_user );
+
+ if ( !(passwd = smb_getpwnam( dom_user, real_username, True )) )
+ return NT_STATUS_NO_SUCH_USER;
+
+ *uid = passwd->pw_uid;
+ *gid = passwd->pw_gid;
+
+ /* This is pointless -- there is no suport for differing
+ unix and windows names. Make sure to always store the
+ one we actually looked up and succeeded. Have I mentioned
+ why I hate the 'winbind use default domain' parameter?
+ --jerry */
+
+ *found_username = talloc_strdup( mem_ctx, real_username );
+
+ DEBUG(5,("fill_sam_account: located username was [%s]\n",
+ *found_username));
+
+ return pdb_init_sam_pw(sam_account, passwd);
+}
+
+/****************************************************************************
+ Wrapper to allow the getpwnam() call to strip the domain name and
+ try again in case a local UNIX user is already there. Also run through
+ the username if we fallback to the username only.
+ ****************************************************************************/
+
+struct passwd *smb_getpwnam( char *domuser, fstring save_username, BOOL create )
+{
+ struct passwd *pw = NULL;
+ char *p;
+ fstring username;
+
+ /* we only save a copy of the username it has been mangled
+ by winbindd use default domain */
+
+ save_username[0] = '\0';
+
+ /* don't call map_username() here since it has to be done higher
+ up the stack so we don't call it mutliple times */
+
+ fstrcpy( username, domuser );
+
+ p = strchr_m( username, *lp_winbind_separator() );
+
+ /* code for a DOMAIN\user string */
+
+ if ( p ) {
+ fstring strip_username;
+
+ pw = Get_Pwnam( domuser );
+ if ( pw ) {
+ /* make sure we get the case of the username correct */
+ /* work around 'winbind use default domain = yes' */
+
+ if ( !strchr_m( pw->pw_name, *lp_winbind_separator() ) ) {
+ char *domain;
+
+ /* split the domain and username into 2 strings */
+ *p = '\0';
+ domain = username;
+
+ fstr_sprintf(save_username, "%s%c%s", domain, *lp_winbind_separator(), pw->pw_name);
+ }
+ else
+ fstrcpy( save_username, pw->pw_name );
+
+ /* whew -- done! */
+ return pw;
+ }
+
+ /* setup for lookup of just the username */
+ /* remember that p and username are overlapping memory */
+
+ p++;
+ fstrcpy( strip_username, p );
+ fstrcpy( username, strip_username );
+ }
+
+ /* just lookup a plain username */
+
+ pw = Get_Pwnam(username);
+
+ /* Create local user if requested. */
+
+ if ( !pw && create ) {
+ /* Don't add a machine account. */
+ if (username[strlen(username)-1] == '$')
+ return NULL;
+
+ auth_add_user_script(NULL, username);
+ pw = Get_Pwnam(username);
+ }
+
+ /* one last check for a valid passwd struct */
+
+ if ( pw )
+ fstrcpy( save_username, pw->pw_name );
+
+ return pw;
+}
+
/***************************************************************************
Make a server_info struct from the info3 returned by a domain logon
***************************************************************************/
auth_serversupplied_info **server_info,
NET_USER_INFO_3 *info3)
{
- NTSTATUS nt_status = NT_STATUS_OK;
+ static const char zeros[16];
+ NTSTATUS nt_status = NT_STATUS_OK;
+ char *found_username;
const char *nt_domain;
const char *nt_username;
DOM_SID user_sid;
DOM_SID group_sid;
- struct passwd *passwd;
-
uid_t uid;
gid_t gid;
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;
+ nt_domain = domain;
}
-
- if (winbind_sid_to_uid(&uid, &user_sid)
- && winbind_sid_to_gid(&gid, &group_sid)
- && ((passwd = getpwuid_alloc(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);
- }
- }
+
+ /* try to fill the SAM account.. If getpwnam() fails, then try the
+ add user script (2.2.x behavior).
+
+ We use the _unmapped_ username here in an attempt to provide
+ consistent username mapping behavior between kerberos and NTLM[SSP]
+ authentication in domain mode security. I.E. Username mapping should
+ be applied to the fully qualified username (e.g. DOMAIN\user) and
+ no just the login name. Yes this mean swe called map_username()
+ unnecessarily in make_user_info_map() but that is how the current
+ code is designed. Making the change here is the least disruptive
+ place. -- jerry */
+
+ nt_status = fill_sam_account(mem_ctx, nt_domain, sent_nt_username,
+ &found_username, &uid, &gid, &sam_account);
+
+ if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_SUCH_USER)) {
+ DEBUG(3,("User %s does not exist, trying to add it\n", internal_username));
+ auth_add_user_script( nt_domain, sent_nt_username );
+ nt_status = fill_sam_account( mem_ctx, nt_domain, sent_nt_username,
+ &found_username, &uid, &gid, &sam_account );
}
if (!NT_STATUS_IS_OK(nt_status)) {
return nt_status;
}
- if (!pdb_set_user_sid(sam_account, &user_sid, PDB_CHANGED)) {
+ if (!pdb_set_nt_username(sam_account, nt_username, PDB_CHANGED)) {
pdb_free_sam(&sam_account);
- return NT_STATUS_UNSUCCESSFUL;
+ return NT_STATUS_NO_MEMORY;
}
- 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)) {
+ if (!pdb_set_username(sam_account, nt_username, PDB_CHANGED)) {
pdb_free_sam(&sam_account);
return NT_STATUS_NO_MEMORY;
}
return NT_STATUS_NO_MEMORY;
}
- if (!pdb_set_fullname(sam_account, unistr2_static(&(info3->uni_full_name)), PDB_CHANGED)) {
+ 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_fullname(sam_account, unistr2_static(&(info3->uni_full_name)),
+ PDB_CHANGED)) {
pdb_free_sam(&sam_account);
return NT_STATUS_NO_MEMORY;
}
return NT_STATUS_NO_MEMORY;
}
- if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info, sam_account))) {
+ if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info))) {
DEBUG(4, ("make_server_info failed!\n"));
pdb_free_sam(&sam_account);
return nt_status;
}
+ /* save this here to _net_sam_logon() doesn't fail (it assumes a
+ valid SAM_ACCOUNT) */
+
+ (*server_info)->sam_account = sam_account;
+
+ (*server_info)->unix_name = smb_xstrdup(found_username);
+
+ /* Fill in the unix info we found on the way */
+
+ (*server_info)->sam_fill_level = SAM_FILL_ALL;
+ (*server_info)->uid = uid;
+ (*server_info)->gid = gid;
+
/* 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"));
+ nt_status = get_user_groups((*server_info)->unix_name,
+ uid, gid, &n_lgroupSIDs, &lgroupSIDs, &unix_groups);
+
+ if ( !NT_STATUS_IS_OK(nt_status) ) {
+ DEBUG(4,("get_user_groups failed\n"));
return nt_status;
}
(*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));
+
+ all_group_SIDs = SMB_MALLOC_ARRAY(DOM_SID,info3->num_groups2 + info3->num_other_sids + n_lgroupSIDs);
+
if (!all_group_SIDs) {
- DEBUG(0, ("create_nt_token_info3: malloc() failed for DOM_SID list!\n"));
+ DEBUG(0, ("malloc() failed for DOM_SID list!\n"));
SAFE_FREE(lgroupSIDs);
+ free_server_info(server_info);
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)) {
+
+ sid_copy(&all_group_SIDs[i], &(info3->dom_sid.sid));
+
+ if (!sid_append_rid(&all_group_SIDs[i], 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",
+
+ DEBUG(3,("could not append additional group rid 0x%x\n",
info3->gids[i].g_rid));
+
SAFE_FREE(lgroupSIDs);
+ SAFE_FREE(all_group_SIDs);
+ free_server_info(server_info);
+
return nt_status;
+
}
}
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],
+ for (i = 0; i < info3->num_other_sids; i++) {
+ sid_copy(&all_group_SIDs[info3->num_groups2 + i],
&info3->other_sids[i].sid);
+ }
+
+
+ /* add local alias sids */
+
+ for (i = 0; i < n_lgroupSIDs; i++) {
+ sid_copy(&all_group_SIDs[info3->num_groups2 +
+ info3->num_other_sids + i],
+ &lgroupSIDs[i]);
+ }
/* 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))) {
+
+ nt_status = create_nt_user_token(&user_sid, &group_sid,
+ info3->num_groups2 + info3->num_other_sids + n_lgroupSIDs,
+ all_group_SIDs, False, &token);
+
+ if ( !NT_STATUS_IS_OK(nt_status) ) {
DEBUG(4,("create_nt_user_token failed\n"));
+ SAFE_FREE(lgroupSIDs);
SAFE_FREE(all_group_SIDs);
+ free_server_info(server_info);
return nt_status;
}
(*server_info)->ptok = token;
+ SAFE_FREE(lgroupSIDs);
SAFE_FREE(all_group_SIDs);
+
+ /* ensure we are never given NULL session keys */
- 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);
+ if (memcmp(info3->user_sess_key, zeros, sizeof(zeros)) == 0) {
+ (*server_info)->user_session_key = data_blob(NULL, 0);
+ } else {
+ (*server_info)->user_session_key = data_blob(info3->user_sess_key, sizeof(info3->user_sess_key));
+ }
+
+ if (memcmp(info3->lm_sess_key, zeros, 8) == 0) {
+ (*server_info)->lm_session_key = data_blob(NULL, 0);
+ } else {
+ (*server_info)->lm_session_key = data_blob(info3->lm_sess_key, sizeof(info3->lm_sess_key));
+ }
return NT_STATUS_OK;
}
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);
+ data_blob_clear_free(&(*user_info)->lm_interactive_pwd);
+ data_blob_clear_free(&(*user_info)->nt_interactive_pwd);
data_blob_clear_free(&(*user_info)->plaintext_password);
ZERO_STRUCT(**user_info);
}
/* call pam_end here, unless we know we are keeping it */
delete_nt_token( &(*server_info)->ptok );
SAFE_FREE((*server_info)->groups);
+ SAFE_FREE((*server_info)->unix_name);
+ data_blob_free(&(*server_info)->lm_session_key);
+ data_blob_free(&(*server_info)->user_session_key);
ZERO_STRUCT(**server_info);
}
SAFE_FREE(*server_info);
smb_panic("make_auth_methods: pointer to auth_method pointer is NULL!\n");
}
- *auth_method = talloc(auth_context->mem_ctx, sizeof(**auth_method));
+ *auth_method = TALLOC_P(auth_context->mem_ctx, auth_methods);
if (!*auth_method) {
DEBUG(0,("make_auth_method: malloc failed!\n"));
return False;
void delete_nt_token(NT_USER_TOKEN **pptoken)
{
- if (*pptoken) {
- NT_USER_TOKEN *ptoken = *pptoken;
- SAFE_FREE( ptoken->user_sids );
- ZERO_STRUCTP(ptoken);
- }
- SAFE_FREE(*pptoken);
+ if (*pptoken) {
+ NT_USER_TOKEN *ptoken = *pptoken;
+
+ SAFE_FREE( ptoken->user_sids );
+ ZERO_STRUCTP(ptoken);
+ }
+ SAFE_FREE(*pptoken);
}
/****************************************************************************
if (!ptoken)
return NULL;
- if ((token = (NT_USER_TOKEN *)malloc( sizeof(NT_USER_TOKEN) ) ) == NULL)
- return NULL;
-
- ZERO_STRUCTP(token);
+ if ((token = SMB_MALLOC_P(NT_USER_TOKEN)) == NULL)
+ return NULL;
- if ((token->user_sids = (DOM_SID *)memdup( ptoken->user_sids, sizeof(DOM_SID) * ptoken->num_sids )) == NULL) {
- SAFE_FREE(token);
- return NULL;
- }
+ ZERO_STRUCTP(token);
+
+ token->user_sids = (DOM_SID *)memdup( ptoken->user_sids, sizeof(DOM_SID) * ptoken->num_sids );
+
+ if ( !token ) {
+ SAFE_FREE(token);
+ return NULL;
+ }
- token->num_sids = ptoken->num_sids;
+ token->num_sids = ptoken->num_sids;
+
+ /* copy the privileges; don't consider failure to be critical here */
+
+ if ( !se_priv_copy( &token->privileges, &ptoken->privileges ) ) {
+ DEBUG(0,("dup_nt_token: Failure to copy SE_PRIV!. Continuing with 0 privileges assigned.\n"));
+ }
return token;
}
+/****************************************************************************
+ Check for a SID in an NT_USER_TOKEN
+****************************************************************************/
+
+BOOL nt_token_check_sid ( DOM_SID *sid, NT_USER_TOKEN *token )
+{
+ int i;
+
+ if ( !sid || !token )
+ return False;
+
+ for ( i=0; i<token->num_sids; i++ ) {
+ if ( sid_equal( sid, &token->user_sids[i] ) )
+ return True;
+ }
+
+ return False;
+}
+
+BOOL nt_token_check_domain_rid( NT_USER_TOKEN *token, uint32 rid )
+{
+ DOM_SID domain_sid;
+
+ sid_copy( &domain_sid, get_global_sam_sid() );
+ sid_append_rid( &domain_sid, rid );
+
+ return nt_token_check_sid( &domain_sid, token );\
+}
+
/**
- * 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).
+ * Verify whether or not given domain is trusted.
*
- * @param nt_status NTSTATUS input for squashing.
- * @return the 'squashed' nt_status
+ * @param domain_name name of the domain to be verified
+ * @return true if domain is one of the trusted once or
+ * false if otherwise
**/
-NTSTATUS nt_status_squash(NTSTATUS nt_status)
+BOOL is_trusted_domain(const char* dom_name)
{
- 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;
- }
-}
+ DOM_SID trustdom_sid;
+ char *pass = NULL;
+ time_t lct;
+ BOOL ret;
+ /* no trusted domains for a standalone server */
+ if ( lp_server_role() == ROLE_STANDALONE )
+ return False;
+
+ /* if we are a DC, then check for a direct trust relationships */
+
+ if ( IS_DC ) {
+ become_root();
+ DEBUG (5,("is_trusted_domain: Checking for domain trust with [%s]\n",
+ dom_name ));
+ ret = secrets_fetch_trusted_domain_password(dom_name, &pass, &trustdom_sid, &lct);
+ unbecome_root();
+ SAFE_FREE(pass);
+ if (ret)
+ return True;
+ }
+ else {
+ /* if winbindd is not up and we are a domain member) then we need to update the
+ trustdom_cache ourselves */
+
+ if ( !winbind_ping() )
+ update_trustdom_cache();
+ }
+
+ /* now the trustdom cache should be available a DC could still
+ * have a transitive trust so fall back to the cache of trusted
+ * domains (like a domain member would use */
+
+ if ( trustdom_cache_fetch(dom_name, &trustdom_sid) ) {
+ return True;
+ }
+
+ return False;
+}
git.samba.org / samba.git / blobdiff