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r13557: (Hopefully) get the creds store/restore key right from

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the correct part of the netlogon and schannel packets.
Jeremy.
This commit is contained in:
Jeremy Allison 2006-02-18 01:21:18 +00:00 committed by Gerald (Jerry) Carter
parent fd84d9703e
commit 4877f336b2
2 changed files with 42 additions and 19 deletions
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53
source/rpc_server/srv_netlog_nt.c
View File

@ -385,6 +385,8 @@ NTSTATUS _net_auth_2(pipes_struct *p, NET_Q_AUTH_2 *q_u, NET_R_AUTH_2 *r_u)
rpcstr_pull(mach_acct, q_u->clnt_id.uni_acct_name.buffer,sizeof(fstring),
q_u->clnt_id.uni_acct_name.uni_str_len*2,0);
/* We use this as the key to store the creds. */
rpcstr_pull(remote_machine, q_u->clnt_id.uni_comp_name.buffer,sizeof(fstring),
q_u->clnt_id.uni_comp_name.uni_str_len*2,0);
@ -445,7 +447,7 @@ NTSTATUS _net_auth_2(pipes_struct *p, NET_Q_AUTH_2 *q_u, NET_R_AUTH_2 *r_u)
/* Store off the state so we can continue after client disconnect. */
become_root();
secrets_store_schannel_session_info(p->mem_ctx,
get_remote_machine_name(),
remote_machine,
p->dc);
unbecome_root();
@ -459,7 +461,7 @@ NTSTATUS _net_auth_2(pipes_struct *p, NET_Q_AUTH_2 *q_u, NET_R_AUTH_2 *r_u)
NTSTATUS _net_srv_pwset(pipes_struct *p, NET_Q_SRV_PWSET *q_u, NET_R_SRV_PWSET *r_u)
{
NTSTATUS status = NT_STATUS_ACCESS_DENIED;
fstring workstation;
fstring remote_machine;
SAM_ACCOUNT *sampass=NULL;
BOOL ret = False;
unsigned char pwd[16];
@ -470,16 +472,16 @@ NTSTATUS _net_srv_pwset(pipes_struct *p, NET_Q_SRV_PWSET *q_u, NET_R_SRV_PWSET *
DEBUG(5,("_net_srv_pwset: %d\n", __LINE__));
/* 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);
/* We need the remote machine name for the creds lookup. */
rpcstr_pull(remote_machine,q_u->clnt_id.login.uni_comp_name.buffer,
sizeof(remote_machine),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() ));
remote_machine ));
return NT_STATUS_ACCESS_DENIED;
}
@ -487,7 +489,7 @@ NTSTATUS _net_srv_pwset(pipes_struct *p, NET_Q_SRV_PWSET *q_u, NET_R_SRV_PWSET *
/* 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(),
remote_machine,
&p->dc);
unbecome_root();
if (!ret) {
@ -499,21 +501,21 @@ NTSTATUS _net_srv_pwset(pipes_struct *p, NET_Q_SRV_PWSET *q_u, NET_R_SRV_PWSET *
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));
DEBUG(3,("_net_srv_pwset: Server Password Set by remote machine:[%s] on account [%s]\n",
remote_machine, p->dc->mach_acct));
/* 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 ));
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(),
remote_machine,
p->dc);
pdb_init_sam(&sampass);
ret=pdb_getsampwnam(sampass, p->dc->mach_acct);
@ -588,6 +590,8 @@ NTSTATUS _net_srv_pwset(pipes_struct *p, NET_Q_SRV_PWSET *q_u, NET_R_SRV_PWSET *
NTSTATUS _net_sam_logoff(pipes_struct *p, NET_Q_SAM_LOGOFF *q_u, NET_R_SAM_LOGOFF *r_u)
{
fstring remote_machine;
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
@ -601,13 +605,17 @@ NTSTATUS _net_sam_logoff(pipes_struct *p, NET_Q_SAM_LOGOFF *q_u, NET_R_SAM_LOGOF
if (!get_valid_user_struct(p->vuid))
return NT_STATUS_NO_SUCH_USER;
/* Get the remote machine name for the creds store. */
rpcstr_pull(remote_machine,q_u->sam_id.client.login.uni_comp_name.buffer,
sizeof(remote_machine),q_u->sam_id.client.login.uni_comp_name.uni_str_len*2,0);
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(),
remote_machine,
&p->dc);
unbecome_root();
if (!ret) {
@ -625,14 +633,14 @@ NTSTATUS _net_sam_logoff(pipes_struct *p, NET_Q_SAM_LOGOFF *q_u, NET_R_SAM_LOGOF
if (!creds_server_step(p->dc, &q_u->sam_id.client.cred, &r_u->srv_creds)) {
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 ));
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(),
remote_machine,
p->dc);
unbecome_root();
@ -640,10 +648,10 @@ NTSTATUS _net_sam_logoff(pipes_struct *p, NET_Q_SAM_LOGOFF *q_u, NET_R_SAM_LOGOF
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,
@ -722,13 +730,22 @@ static NTSTATUS _net_sam_logon_internal(pipes_struct *p,
return NT_STATUS_NO_SUCH_USER;
if (process_creds) {
fstring remote_machine;
/* Get the remote machine name for the creds store. */
/* Note this is the remote machine this request is coming from (member server),
not neccessarily the workstation name the user is logging onto.
*/
rpcstr_pull(remote_machine,q_u->sam_id.client.login.uni_comp_name.buffer,
sizeof(remote_machine),q_u->sam_id.client.login.uni_comp_name.uni_str_len*2,0);
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(),
remote_machine,
&p->dc);
unbecome_root();
if (!ret) {
@ -744,14 +761,14 @@ static NTSTATUS _net_sam_logon_internal(pipes_struct *p,
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 ));
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(),
remote_machine,
p->dc);
unbecome_root();
}

8
source/rpc_server/srv_pipe.c
View File

@ -1292,8 +1292,14 @@ static BOOL pipe_schannel_auth_bind(pipes_struct *p, prs_struct *rpc_in_p,
return False;
}
/*
* The neg.myname key here must match the remote computer name
* given in the DOM_CLNT_SRV.uni_comp_name used on all netlogon pipe
* operations that use credentials.
*/
become_root();
ret = secrets_restore_schannel_session_info(p->mem_ctx, get_remote_machine_name(), &pdcinfo);
ret = secrets_restore_schannel_session_info(p->mem_ctx, neg.myname, &pdcinfo);
unbecome_root();
if (!ret) {