}
/* From the client / server challenges and md4 password, generate sess key */
- creds_server_init(p->dc,
+ creds_server_init(0, /* No neg flags. */
+ p->dc,
&p->dc->clnt_chal, /* Stored client chal. */
&p->dc->srv_chal, /* Stored server chal. */
- (const char *)p->dc->mach_pw,
+ p->dc->mach_pw,
&srv_chal_out);
/* Check client credentials are valid. */
}
/* From the client / server challenges and md4 password, generate sess key */
- creds_server_init(p->dc,
+ creds_server_init(q_u->clnt_flgs.neg_flags,
+ p->dc,
&p->dc->clnt_chal, /* Stored client chal. */
&p->dc->srv_chal, /* Stored server chal. */
- (const char *)p->dc->mach_pw,
+ p->dc->mach_pw,
&srv_chal_out);
/* Check client credentials are valid. */
/* Store off the state so we can continue after client disconnect. */
become_root();
- secrets_store_schannel_session_info(p->mem_ctx, p->dc);
+ secrets_store_schannel_session_info(p->mem_ctx,
+ get_remote_machine_name(),
+ p->dc);
unbecome_root();
return r_u->status;
DOM_CRED cred_out;
const uchar *old_pw;
- if (!p->dc || !p->dc->authenticated) {
- return NT_STATUS_INVALID_HANDLE;
- }
+ DEBUG(5,("_net_srv_pwset: %d\n", __LINE__));
- /* Step the creds chain forward. */
- if (!creds_server_step(p->dc, &q_u->clnt_id.cred, &cred_out)) {
- DEBUG(0,("_net_srv_pwset: creds_server_step failed. Rejecting auth "
- "request from client %s machine account %s\n",
- p->dc->remote_machine, p->dc->mach_acct ));
+ /* We need the workstation name for the creds lookup. */
+ rpcstr_pull(workstation,q_u->clnt_id.login.uni_comp_name.buffer,
+ sizeof(workstation),q_u->clnt_id.login.uni_comp_name.uni_str_len*2,0);
+
+ if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
+ /* 'server schannel = yes' should enforce use of
+ schannel, the client did offer it in auth2, but
+ obviously did not use it. */
+ DEBUG(0,("_net_srv_pwset: client %s not using schannel for netlogon\n",
+ get_remote_machine_name() ));
return NT_STATUS_ACCESS_DENIED;
}
- DEBUG(5,("_net_srv_pwset: %d\n", __LINE__));
+ if (!p->dc) {
+ /* Restore the saved state of the netlogon creds. */
+ become_root();
+ ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
+ get_remote_machine_name(),
+ &p->dc);
+ unbecome_root();
+ if (!ret) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+ }
- rpcstr_pull(workstation,q_u->clnt_id.login.uni_comp_name.buffer,
- sizeof(workstation),q_u->clnt_id.login.uni_comp_name.uni_str_len*2,0);
+ if (!p->dc || !p->dc->authenticated) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
DEBUG(3,("_net_srv_pwset: Server Password Set by Wksta:[%s] on account [%s]\n",
workstation, p->dc->mach_acct));
- pdb_init_sam(&sampass);
+ /* Step the creds chain forward. */
+ if (!creds_server_step(p->dc, &q_u->clnt_id.cred, &cred_out)) {
+ DEBUG(2,("_net_srv_pwset: creds_server_step failed. Rejecting auth "
+ "request from client %s machine account %s\n",
+ p->dc->remote_machine, p->dc->mach_acct ));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ /* We must store the creds state after an update. */
become_root();
+ secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
+ get_remote_machine_name(),
+ p->dc);
+ pdb_init_sam(&sampass);
ret=pdb_getsampwnam(sampass, p->dc->mach_acct);
unbecome_root();
}
become_root();
- ret = pdb_update_sam_account (sampass);
+ r_u->status = pdb_update_sam_account (sampass);
unbecome_root();
}
- if (ret) {
- status = NT_STATUS_OK;
- }
/* set up the LSA Server Password Set response */
init_net_r_srv_pwset(r_u, &cred_out, status);
NTSTATUS _net_sam_logoff(pipes_struct *p, NET_Q_SAM_LOGOFF *q_u, NET_R_SAM_LOGOFF *r_u)
{
+ if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
+ /* 'server schannel = yes' should enforce use of
+ schannel, the client did offer it in auth2, but
+ obviously did not use it. */
+ DEBUG(0,("_net_sam_logoff: client %s not using schannel for netlogon\n",
+ get_remote_machine_name() ));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+
if (!get_valid_user_struct(p->vuid))
return NT_STATUS_NO_SUCH_USER;
+ if (!p->dc) {
+ /* Restore the saved state of the netlogon creds. */
+ BOOL ret;
+
+ become_root();
+ ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
+ get_remote_machine_name(),
+ &p->dc);
+ unbecome_root();
+ if (!ret) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+ }
+
if (!p->dc || !p->dc->authenticated) {
return NT_STATUS_INVALID_HANDLE;
}
/* checks and updates credentials. creates reply credentials */
if (!creds_server_step(p->dc, &q_u->sam_id.client.cred, &r_u->srv_creds)) {
- DEBUG(0,("_net_sam_logoff: creds_server_step failed. Rejecting auth "
+ DEBUG(2,("_net_sam_logoff: creds_server_step failed. Rejecting auth "
"request from client %s machine account %s\n",
p->dc->remote_machine, p->dc->mach_acct ));
- return NT_STATUS_ACCESS_DENIED;
+ return NT_STATUS_INVALID_PARAMETER;
}
+ /* We must store the creds state after an update. */
+ become_root();
+ secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
+ get_remote_machine_name(),
+ p->dc);
+ unbecome_root();
+
r_u->status = NT_STATUS_OK;
return r_u->status;
}
+/*******************************************************************
+ gets a domain user's groups from their already-calculated NT_USER_TOKEN
+ ********************************************************************/
+static NTSTATUS nt_token_to_group_list(TALLOC_CTX *mem_ctx,
+ const DOM_SID *domain_sid,
+ size_t num_sids,
+ const DOM_SID *sids,
+ int *numgroups, DOM_GID **pgids)
+{
+ int i;
+
+ *numgroups=0;
+ *pgids = NULL;
+
+ for (i=0; i<num_sids; i++) {
+ DOM_GID gid;
+ if (!sid_peek_check_rid(domain_sid, &sids[i], &gid.g_rid)) {
+ continue;
+ }
+ gid.attr = (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|
+ SE_GROUP_ENABLED);
+ ADD_TO_ARRAY(mem_ctx, DOM_GID, gid, pgids, numgroups);
+ if (*pgids == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+ return NT_STATUS_OK;
+}
+
/*************************************************************************
_net_sam_logon
*************************************************************************/
-NTSTATUS _net_sam_logon(pipes_struct *p, NET_Q_SAM_LOGON *q_u, NET_R_SAM_LOGON *r_u)
+static NTSTATUS _net_sam_logon_internal(pipes_struct *p,
+ NET_Q_SAM_LOGON *q_u,
+ NET_R_SAM_LOGON *r_u,
+ BOOL process_creds)
{
NTSTATUS status = NT_STATUS_OK;
NET_USER_INFO_3 *usr_info = NULL;
auth_serversupplied_info *server_info = NULL;
SAM_ACCOUNT *sampw;
struct auth_context *auth_context = NULL;
-
+
+ if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
+ /* 'server schannel = yes' should enforce use of
+ schannel, the client did offer it in auth2, but
+ obviously did not use it. */
+ DEBUG(0,("_net_sam_logon_internal: client %s not using schannel for netlogon\n",
+ get_remote_machine_name() ));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
usr_info = TALLOC_P(p->mem_ctx, NET_USER_INFO_3);
- if (!usr_info)
+ if (!usr_info) {
return NT_STATUS_NO_MEMORY;
+ }
ZERO_STRUCTP(usr_info);
/* store the user information, if there is any. */
r_u->user = usr_info;
- r_u->switch_value = 0; /* indicates no info */
r_u->auth_resp = 1; /* authoritative response */
- r_u->switch_value = 3; /* indicates type of validation user info */
+ if (q_u->validation_level != 2 && q_u->validation_level != 3) {
+ DEBUG(0,("_net_sam_logon: bad validation_level value %d.\n", (int)q_u->validation_level ));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+ /* We handle the return of USER_INFO_2 instead of 3 in the parse return. Sucks, I know... */
+ r_u->switch_value = q_u->validation_level; /* indicates type of validation user info */
r_u->buffer_creds = 1; /* Ensure we always return server creds. */
if (!get_valid_user_struct(p->vuid))
return NT_STATUS_NO_SUCH_USER;
- if (!p->dc || !p->dc->authenticated) {
- return NT_STATUS_INVALID_HANDLE;
- }
+ if (process_creds) {
+ if (!p->dc) {
+ /* Restore the saved state of the netlogon creds. */
+ BOOL ret;
+
+ become_root();
+ ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
+ get_remote_machine_name(),
+ &p->dc);
+ unbecome_root();
+ if (!ret) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+ }
- if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
- /* 'server schannel = yes' should enforce use of
- schannel, the client did offer it in auth2, but
- obviously did not use it. */
- DEBUG(0,("_net_sam_logoff: client %s not using schannel for netlogon\n",
- p->dc->remote_machine ));
- return NT_STATUS_ACCESS_DENIED;
- }
+ if (!p->dc || !p->dc->authenticated) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
- /* checks and updates credentials. creates reply credentials */
- if (!creds_server_step(p->dc, &q_u->sam_id.client.cred, &r_u->srv_creds)) {
- DEBUG(0,("_net_sam_logoff: creds_server_step failed. Rejecting auth "
- "request from client %s machine account %s\n",
- p->dc->remote_machine, p->dc->mach_acct ));
- return NT_STATUS_ACCESS_DENIED;
+ /* checks and updates credentials. creates reply credentials */
+ if (!creds_server_step(p->dc, &q_u->sam_id.client.cred, &r_u->srv_creds)) {
+ DEBUG(2,("_net_sam_logon: creds_server_step failed. Rejecting auth "
+ "request from client %s machine account %s\n",
+ p->dc->remote_machine, p->dc->mach_acct ));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ /* We must store the creds state after an update. */
+ become_root();
+ secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
+ get_remote_machine_name(),
+ p->dc);
+ unbecome_root();
}
- /* find the username */
-
switch (q_u->sam_id.logon_level) {
case INTERACTIVE_LOGON_TYPE:
uni_samlogon_user = &ctr->auth.id1.uni_user_name;
rpcstr_pull(nt_domain,uni_samlogon_domain->buffer,sizeof(nt_domain),uni_samlogon_domain->uni_str_len*2,0);
rpcstr_pull(nt_workstation,uni_samlogon_workstation->buffer,sizeof(nt_workstation),uni_samlogon_workstation->uni_str_len*2,0);
- DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username,
- nt_workstation, nt_domain));
-
+ DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
fstrcpy(current_user_info.smb_name, nt_username);
sub_set_smb_name(nt_username);
if (!make_user_info_netlogon_network(&user_info,
nt_username, nt_domain,
wksname,
+ ctr->auth.id2.param_ctrl,
ctr->auth.id2.lm_chal_resp.buffer,
ctr->auth.id2.lm_chal_resp.str_str_len,
ctr->auth.id2.nt_chal_resp.buffer,
break;
}
case INTERACTIVE_LOGON_TYPE:
- /* 'Interactive' autheticaion, supplies the password in its
- MD4 form, encrypted with the session key. We will
- convert this to chellange/responce for the auth
- subsystem to chew on */
+ /* 'Interactive' authentication, supplies the password in its
+ MD4 form, encrypted with the session key. We will convert
+ this to challenge/response for the auth subsystem to chew
+ on */
{
const uint8 *chal;
if (!make_user_info_netlogon_interactive(&user_info,
nt_username, nt_domain,
- nt_workstation, chal,
+ nt_workstation,
+ ctr->auth.id1.param_ctrl,
+ chal,
ctr->auth.id1.lm_owf.data,
ctr->auth.id1.nt_owf.data,
p->dc->sess_key)) {
&& !is_trusted_domain(nt_domain) )
r_u->auth_resp = 0; /* We are not authoritative */
- free_server_info(&server_info);
+ talloc_free(server_info);
return status;
}
if (server_info->guest) {
/* We don't like guest domain logons... */
- DEBUG(5,("_net_sam_logon: Attempted domain logon as GUEST denied.\n"));
- free_server_info(&server_info);
+ DEBUG(5,("_net_sam_logon: Attempted domain logon as GUEST "
+ "denied.\n"));
+ talloc_free(server_info);
return NT_STATUS_LOGON_FAILURE;
}
pstring my_name;
fstring user_sid_string;
fstring group_sid_string;
- uchar user_session_key[16];
- uchar lm_session_key[16];
- uchar netlogon_sess_key[16];
+ unsigned char user_session_key[16];
+ unsigned char lm_session_key[16];
+ unsigned char pipe_session_key[16];
sampw = server_info->sam_account;
- /* set up pointer indicating user/password failed to be found */
+ /* set up pointer indicating user/password failed to be
+ * found */
usr_info->ptr_user_info = 0;
user_sid = pdb_get_user_sid(sampw);
sid_split_rid(&domain_sid, &user_rid);
if (!sid_peek_check_rid(&domain_sid, group_sid, &group_rid)) {
- DEBUG(1, ("_net_sam_logon: user %s\\%s has user sid %s\n but group sid %s.\nThe conflicting domain portions are not supported for NETLOGON calls\n",
- pdb_get_domain(sampw), pdb_get_username(sampw),
+ DEBUG(1, ("_net_sam_logon: user %s\\%s has user sid "
+ "%s\n but group sid %s.\n"
+ "The conflicting domain portions are not "
+ "supported for NETLOGON calls\n",
+ pdb_get_domain(sampw),
+ pdb_get_username(sampw),
sid_to_string(user_sid_string, user_sid),
sid_to_string(group_sid_string, group_sid)));
return NT_STATUS_UNSUCCESSFUL;
} else {
pstrcpy(my_name, global_myname());
}
-
- if (!NT_STATUS_IS_OK(status
- = nt_token_to_group_list(p->mem_ctx,
- &domain_sid,
- server_info->ptok,
- &num_gids,
- &gids))) {
+
+ status = nt_token_to_group_list(p->mem_ctx, &domain_sid,
+ server_info->num_sids,
+ server_info->sids,
+ &num_gids, &gids);
+
+ if (!NT_STATUS_IS_OK(status)) {
return status;
}
- ZERO_STRUCT(netlogon_sess_key);
- memcpy(netlogon_sess_key, p->dc->sess_key, 8);
if (server_info->user_session_key.length) {
- memcpy(user_session_key, server_info->user_session_key.data,
- MIN(sizeof(user_session_key), server_info->user_session_key.length));
- SamOEMhash(user_session_key, netlogon_sess_key, 16);
+ memcpy(user_session_key,
+ server_info->user_session_key.data,
+ MIN(sizeof(user_session_key),
+ server_info->user_session_key.length));
+ if (process_creds) {
+ /* Get the pipe session key from the creds. */
+ memcpy(pipe_session_key, p->dc->sess_key, 16);
+ } else {
+ /* Get the pipe session key from the schannel. */
+ if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL || p->auth.a_u.schannel_auth == NULL) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+ memcpy(pipe_session_key, p->auth.a_u.schannel_auth->sess_key, 16);
+ }
+ SamOEMhash(user_session_key, pipe_session_key, 16);
+ memset(pipe_session_key, '\0', 16);
}
if (server_info->lm_session_key.length) {
- memcpy(lm_session_key, server_info->lm_session_key.data,
- MIN(sizeof(lm_session_key), server_info->lm_session_key.length));
- SamOEMhash(lm_session_key, netlogon_sess_key, 16);
+ memcpy(lm_session_key,
+ server_info->lm_session_key.data,
+ MIN(sizeof(lm_session_key),
+ server_info->lm_session_key.length));
+ if (process_creds) {
+ /* Get the pipe session key from the creds. */
+ memcpy(pipe_session_key, p->dc->sess_key, 16);
+ } else {
+ /* Get the pipe session key from the schannel. */
+ if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL || p->auth.a_u.schannel_auth == NULL) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+ memcpy(pipe_session_key, p->auth.a_u.schannel_auth->sess_key, 16);
+ }
+ SamOEMhash(lm_session_key, pipe_session_key, 16);
+ memset(pipe_session_key, '\0', 16);
}
- ZERO_STRUCT(netlogon_sess_key);
init_net_user_info3(p->mem_ctx, usr_info,
user_rid,
server_info->lm_session_key.length ? lm_session_key : NULL,
my_name , /* char *logon_srv */
pdb_get_domain(sampw),
- &domain_sid, /* DOM_SID *dom_sid */
- /* Should be users domain sid, not servers - for trusted domains */
-
- NULL); /* char *other_sids */
+ &domain_sid); /* DOM_SID *dom_sid */
ZERO_STRUCT(user_session_key);
ZERO_STRUCT(lm_session_key);
}
- free_server_info(&server_info);
+ talloc_free(server_info);
return status;
}
+/*************************************************************************
+ _net_sam_logon
+ *************************************************************************/
+
+NTSTATUS _net_sam_logon(pipes_struct *p, NET_Q_SAM_LOGON *q_u, NET_R_SAM_LOGON *r_u)
+{
+ return _net_sam_logon_internal(p, q_u, r_u, True);
+}
+
+/*************************************************************************
+ _net_sam_logon_ex - no credential chaining. Map into net sam logon.
+ *************************************************************************/
+
+NTSTATUS _net_sam_logon_ex(pipes_struct *p, NET_Q_SAM_LOGON_EX *q_u, NET_R_SAM_LOGON_EX *r_u)
+{
+ NET_Q_SAM_LOGON q;
+ NET_R_SAM_LOGON r;
+
+ ZERO_STRUCT(q);
+ ZERO_STRUCT(r);
+
+ /* Only allow this if the pipe is protected. */
+ if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
+ DEBUG(0,("_net_sam_logon_ex: client %s not using schannel for netlogon\n",
+ get_remote_machine_name() ));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ /* Map a NET_Q_SAM_LOGON_EX to NET_Q_SAM_LOGON. */
+ q.validation_level = q_u->validation_level;
+
+ /* Map a DOM_SAM_INFO_EX into a DOM_SAM_INFO with no creds. */
+ q.sam_id.client.login = q_u->sam_id.client;
+ q.sam_id.logon_level = q_u->sam_id.logon_level;
+ q.sam_id.ctr = q_u->sam_id.ctr;
+
+ r_u->status = _net_sam_logon_internal(p, &q, &r, False);
+
+ if (!NT_STATUS_IS_OK(r_u->status)) {
+ return r_u->status;
+ }
+
+ /* Map the NET_R_SAM_LOGON to NET_R_SAM_LOGON_EX. */
+ r_u->switch_value = r.switch_value;
+ r_u->user = r.user;
+ r_u->auth_resp = r.auth_resp;
+ r_u->flags = 0; /* FIXME ! */
+ return r_u->status;
+}
+
/*************************************************************************
_ds_enum_dom_trusts
*************************************************************************/
git.samba.org / abartlet / samba.git / .git / blobdiff