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-rw-r--r--source3/smbd/password.c162
1 files changed, 41 insertions, 121 deletions
diff --git a/source3/smbd/password.c b/source3/smbd/password.c
index cfac7cf695..f2956237dd 100644
--- a/source3/smbd/password.c
+++ b/source3/smbd/password.c
@@ -69,6 +69,10 @@ void invalidate_vuid(uint16 vuid)
DLIST_REMOVE(validated_users, vuser);
+ /* clear the vuid from the 'cache' on each connection, and
+ from the vuid 'owner' of connections */
+ conn_clear_vuid_cache(vuid);
+
SAFE_FREE(vuser->groups);
delete_nt_token(&vuser->nt_user_token);
SAFE_FREE(vuser);
@@ -90,95 +94,6 @@ void invalidate_all_vuids(void)
}
/****************************************************************************
- Create the SID list for this user.
-****************************************************************************/
-
-NT_USER_TOKEN *create_nt_token(uid_t uid, gid_t gid, int ngroups, gid_t *groups, BOOL is_guest, NT_USER_TOKEN *sup_tok)
-{
- 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;
- NT_USER_TOKEN *token;
- DOM_SID *psids;
- int i, psid_ndx = 0;
- size_t num_sids = 0;
- fstring sid_str;
-
- if ((token = (NT_USER_TOKEN *)malloc( sizeof(NT_USER_TOKEN) ) ) == NULL)
- return NULL;
-
- ZERO_STRUCTP(token);
-
- /* We always have uid/gid plus World and Network and Authenticated Users or Guest SIDs. */
- num_sids = 5 + ngroups;
-
- if (sup_tok && sup_tok->num_sids)
- num_sids += sup_tok->num_sids;
-
- if ((token->user_sids = (DOM_SID *)malloc( num_sids*sizeof(DOM_SID))) == NULL) {
- SAFE_FREE(token);
- return NULL;
- }
-
- psids = token->user_sids;
-
- /*
- * Note - user SID *MUST* be first in token !
- * se_access_check depends on this.
- */
-
- uid_to_sid( &psids[PRIMARY_USER_SID_INDEX], uid);
- psid_ndx++;
-
- /*
- * Primary group SID is second in token. Convention.
- */
-
- gid_to_sid( &psids[PRIMARY_GROUP_SID_INDEX], gid);
- psid_ndx++;
-
- /* Now add the group SIDs. */
-
- for (i = 0; i < ngroups; i++) {
- if (groups[i] != gid) {
- gid_to_sid( &psids[psid_ndx++], groups[i]);
- }
- }
-
- if (sup_tok) {
- /* Now add the additional SIDs from the supplimentary token. */
- for (i = 0; i < sup_tok->num_sids; i++)
- sid_copy( &psids[psid_ndx++], &sup_tok->user_sids[i] );
- }
-
- /*
- * 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( &psids[psid_ndx++], &global_sid_World);
- sid_copy( &psids[psid_ndx++], &global_sid_Network);
-
- if (is_guest)
- sid_copy( &psids[psid_ndx++], &global_sid_Builtin_Guests);
- else
- sid_copy( &psids[psid_ndx++], &global_sid_Authenticated_Users);
-
- token->num_sids = psid_ndx;
-
- /* Dump list of sids in token */
-
- for (i = 0; i < token->num_sids; i++) {
- DEBUG(5, ("user token sid %s\n",
- sid_to_string(sid_str, &token->user_sids[i])));
- }
-
- return token;
-}
-
-/****************************************************************************
register a uid/name pair as being valid and that a valid password
has been given. vuid is biased by an offset. This allows us to
tell random client vuid's (normally zero) from valid vuids.
@@ -187,8 +102,6 @@ tell random client vuid's (normally zero) from valid vuids.
int register_vuid(auth_serversupplied_info *server_info, const char *smb_name)
{
user_struct *vuser = NULL;
- uid_t uid;
- gid_t gid;
/* Ensure no vuid gets registered in share level security. */
if(lp_security() == SEC_SHARE)
@@ -205,15 +118,6 @@ int register_vuid(auth_serversupplied_info *server_info, const char *smb_name)
ZERO_STRUCTP(vuser);
- if (!IS_SAM_UNIX_USER(server_info->sam_account)) {
- DEBUG(0,("Attempted session setup with invalid user. No uid/gid in SAM_ACCOUNT (flags:%x)\n", pdb_get_init_flag(server_info->sam_account)));
- free(vuser);
- return UID_FIELD_INVALID;
- }
-
- uid = pdb_get_uid(server_info->sam_account);
- gid = pdb_get_gid(server_info->sam_account);
-
/* Allocate a free vuid. Yes this is a linear search... :-) */
while( get_valid_user_struct(next_vuid) != NULL ) {
next_vuid++;
@@ -225,18 +129,38 @@ int register_vuid(auth_serversupplied_info *server_info, const char *smb_name)
DEBUG(10,("register_vuid: allocated vuid = %u\n", (unsigned int)next_vuid ));
vuser->vuid = next_vuid;
- vuser->uid = uid;
- vuser->gid = gid;
+
+ /* the next functions should be done by a SID mapping system (SMS) as
+ * the new real sam db won't have reference to unix uids or gids
+ */
+ if (!IS_SAM_UNIX_USER(server_info->sam_account)) {
+ DEBUG(0,("Attempted session setup with invalid user. No uid/gid in SAM_ACCOUNT (flags:%x)\n", pdb_get_init_flag(server_info->sam_account)));
+ free(vuser);
+ return UID_FIELD_INVALID;
+ }
+
+ vuser->uid = pdb_get_uid(server_info->sam_account);
+ vuser->gid = pdb_get_gid(server_info->sam_account);
+
+ vuser->n_groups = server_info->n_groups;
+ if (vuser->n_groups) {
+ if (!(vuser->groups = memdup(server_info->groups, sizeof(gid_t) * vuser->n_groups))) {
+ DEBUG(0,("register_vuid: failed to memdup vuser->groups\n"));
+ free(vuser);
+ return UID_FIELD_INVALID;
+ }
+ }
+
vuser->guest = server_info->guest;
- fstrcpy(vuser->user.unix_name, pdb_get_username(server_info->sam_account));
- fstrcpy(vuser->user.smb_name, smb_name);
+ fstrcpy(vuser->user.unix_name, pdb_get_username(server_info->sam_account));
+ fstrcpy(vuser->user.smb_name, smb_name);
fstrcpy(vuser->user.domain, pdb_get_domain(server_info->sam_account));
fstrcpy(vuser->user.full_name, pdb_get_fullname(server_info->sam_account));
{
/* Keep the homedir handy */
const char *homedir = pdb_get_homedir(server_info->sam_account);
- const char *unix_homedir = pdb_get_unix_homedir(server_info->sam_account);
+ const char *unix_homedir = pdb_get_unix_homedir(server_info->sam_account); /* should be optained by SMS */
const char *logon_script = pdb_get_logon_script(server_info->sam_account);
if (homedir) {
vuser->homedir = smb_xstrdup(homedir);
@@ -260,19 +184,13 @@ int register_vuid(auth_serversupplied_info *server_info, const char *smb_name)
DEBUG(3, ("User name: %s\tReal name: %s\n",vuser->user.unix_name,vuser->user.full_name));
- vuser->n_groups = 0;
- vuser->groups = NULL;
-
- /* Find all the groups this uid is in and store them.
- Used by change_to_user() */
- initialise_groups(vuser->user.unix_name, vuser->uid, vuser->gid);
- get_current_groups(vuser->gid, &vuser->n_groups, &vuser->groups);
-
- if (server_info->ptok)
- add_supplementary_nt_login_groups(&vuser->n_groups, &vuser->groups, &server_info->ptok);
-
- /* Create an NT_USER_TOKEN struct for this user. */
- vuser->nt_user_token = create_nt_token(vuser->uid, vuser->gid, vuser->n_groups, vuser->groups, vuser->guest, server_info->ptok);
+ if (server_info->ptok) {
+ vuser->nt_user_token = dup_nt_token(server_info->ptok);
+ } else {
+ DEBUG(1, ("server_info does not contain a user_token - cannot continue\n"));
+ free(vuser);
+ return UID_FIELD_INVALID;
+ }
DEBUG(3,("UNIX uid %d is UNIX user %s, and will be vuid %u\n",(int)vuser->uid,vuser->user.unix_name, vuser->vuid));
@@ -306,9 +224,11 @@ add a name to the session users list
void add_session_user(const char *user)
{
fstring suser;
- StrnCpy(suser,user,sizeof(suser)-1);
+ struct passwd *passwd;
+
+ if (!(passwd = Get_Pwnam(user))) return;
- if (!Get_Pwnam_Modify(suser)) return;
+ StrnCpy(suser,passwd->pw_name,sizeof(suser)-1);
if (suser && *suser && !in_list(suser,session_users,False))
{
@@ -451,7 +371,7 @@ static char *validate_group(char *group, DATA_BLOB password,int snum)
Note this is *NOT* used when logging on using sessionsetup_and_X.
****************************************************************************/
-BOOL authorise_login(int snum,char *user, DATA_BLOB password,
+BOOL authorise_login(int snum, fstring user, DATA_BLOB password,
BOOL *guest)
{
BOOL ok = False;
generated by cgit (git 2.34.1) at 2024-07-03 03:43:26 +0000