Removed version number from file header.
[amitay/samba.git] / source3 / rpc_server / srv_pipe.c
index 277cd13522c15f1ee7b0f998bea3806d61ebfa32..70574b4cdd9c743f9d3069b1085e23f2944109f9 100644 (file)
@@ -1,6 +1,5 @@
 /* 
- *  Unix SMB/Netbios implementation.
- *  Version 1.9.
+ *  Unix SMB/CIFS implementation.
  *  RPC Pipe client / server routines
  *  Copyright (C) Andrew Tridgell              1992-1998
  *  Copyright (C) Luke Kenneth Casson Leighton 1996-1998,
@@ -40,8 +39,6 @@
 
 #include "includes.h"
 
-extern int DEBUGLEVEL;
-
 static void NTLMSSPcalc_p( pipes_struct *p, unsigned char *data, int len)
 {
     unsigned char *hash = p->ntlmssp_hash;
@@ -93,7 +90,7 @@ BOOL create_next_pdu(pipes_struct *p)
         */
 
        if(p->fault_state) {
-               setup_fault_pdu(p, 0x1c010002);
+               setup_fault_pdu(p, NT_STATUS(0x1c010002));
                return True;
        }
 
@@ -267,14 +264,18 @@ static BOOL api_pipe_ntlmssp_verify(pipes_struct *p, RPC_AUTH_NTLMSSP_RESP *ntlm
        int nt_pw_len;
        int lm_pw_len;
        fstring user_name;
-       fstring pipe_user_name;
        fstring domain;
        fstring wks;
-       BOOL guest_user = False;
-       SAM_ACCOUNT *sampass = NULL;
-       uchar null_smb_passwd[16];
-       uchar *smb_passwd_ptr = NULL;
-       
+
+       NTSTATUS nt_status;
+
+       struct auth_context *auth_context = NULL;
+       auth_usersupplied_info *user_info = NULL;
+       auth_serversupplied_info *server_info = NULL;
+
+       uid_t uid;
+       uid_t gid;
+
        DEBUG(5,("api_pipe_ntlmssp_verify: checking user details\n"));
 
        memset(p->user_name, '\0', sizeof(p->user_name));
@@ -285,14 +286,12 @@ static BOOL api_pipe_ntlmssp_verify(pipes_struct *p, RPC_AUTH_NTLMSSP_RESP *ntlm
        /* Set up for non-authenticated user. */
        delete_nt_token(&p->pipe_user.nt_user_token);
        p->pipe_user.ngroups = 0;
-       safe_free( p->pipe_user.groups);
+       SAFE_FREE( p->pipe_user.groups);
 
        /* 
         * Setup an empty password for a guest user.
         */
 
-       memset(null_smb_passwd,0,16);
-
        /*
         * We always negotiate UNICODE.
         */
@@ -302,9 +301,9 @@ static BOOL api_pipe_ntlmssp_verify(pipes_struct *p, RPC_AUTH_NTLMSSP_RESP *ntlm
                rpcstr_pull(domain, ntlmssp_resp->domain, sizeof(fstring), ntlmssp_resp->hdr_domain.str_str_len*2, 0);
                rpcstr_pull(wks, ntlmssp_resp->wks, sizeof(fstring), ntlmssp_resp->hdr_wks.str_str_len*2, 0);
        } else {
-               fstrcpy(user_name, ntlmssp_resp->user);
-               fstrcpy(domain, ntlmssp_resp->domain);
-               fstrcpy(wks, ntlmssp_resp->wks);
+               pull_ascii_fstring(user_name, ntlmssp_resp->user);
+               pull_ascii_fstring(domain, ntlmssp_resp->domain);
+               pull_ascii_fstring(wks, ntlmssp_resp->wks);
        }
 
        DEBUG(5,("user: %s domain: %s wks: %s\n", user_name, domain, wks));
@@ -326,25 +325,7 @@ static BOOL api_pipe_ntlmssp_verify(pipes_struct *p, RPC_AUTH_NTLMSSP_RESP *ntlm
         * Allow guest access. Patch from Shirish Kalele <kalele@veritas.com>.
         */
 
-       if((strlen(user_name) == 0) && 
-          (ntlmssp_resp->hdr_nt_resp.str_str_len==0))
-         {
-               guest_user = True;
-
-        fstrcpy(pipe_user_name, lp_guestaccount(-1));
-               DEBUG(100,("Null user in NTLMSSP verification. Using guest = %s\n", pipe_user_name));
-
-               smb_passwd_ptr = null_smb_passwd;
-
-       } else {
-
-               /*
-                * Pass the user through the NT -> unix user mapping
-                * function.
-                */
-
-               fstrcpy(pipe_user_name, user_name);
-               (void)map_username(pipe_user_name);
+       if (*user_name) {
 
                /* 
                 * Do the length checking only if user is not NULL.
@@ -362,48 +343,29 @@ static BOOL api_pipe_ntlmssp_verify(pipes_struct *p, RPC_AUTH_NTLMSSP_RESP *ntlm
                        return False;
 
        }
+       
+       make_auth_context_fixed(&auth_context, (uchar*)p->challenge);
 
-       if(!guest_user) {
-
-               become_root();
-
-               if(!(p->ntlmssp_auth_validated = 
-                    pass_check_smb_with_chal(pipe_user_name, domain,
-                                             (uchar*)p->challenge, 
-                                             lm_owf, lm_pw_len, 
-                                             nt_owf, nt_pw_len) == NT_STATUS_NOPROBLEMO)) {
-                       DEBUG(1,("api_pipe_ntlmssp_verify: User %s\\%s from machine %s \
-failed authentication on named pipe %s.\n", domain, pipe_user_name, wks, p->name ));
-                       unbecome_root();
-                       return False;
-               }
-
-               pdb_init_sam(&sampass);
-
-               if(!pdb_getsampwnam(sampass, pipe_user_name)) {
-                       DEBUG(1,("api_pipe_ntlmssp_verify: Cannot find user %s in smb passwd database.\n",
-                               pipe_user_name));
-                       pdb_free_sam(sampass);
-                       unbecome_root();
-                       return False;
-               }
-
-               unbecome_root();
-
-               /* Quit if the account was disabled. */
-               if((pdb_get_acct_ctrl(sampass) & ACB_DISABLED) || !pdb_get_lanman_passwd(sampass)) {
-                       DEBUG(1,("Account for user '%s' was disabled.\n", pipe_user_name));
-                       pdb_free_sam(sampass);
-                       return False;
-              }
-               if(!pdb_get_nt_passwd(sampass)) {
-                       DEBUG(1,("Account for user '%s' has no NT password hash.\n", pipe_user_name));
-                       pdb_free_sam(sampass);
-                       return False;
-               }
-               smb_passwd_ptr = pdb_get_lanman_passwd(sampass);
+       if (!make_user_info_netlogon_network(&user_info, 
+                                            user_name, domain, wks,
+                                            lm_owf, lm_pw_len, 
+                                            nt_owf, nt_pw_len)) {
+               DEBUG(0,("make_user_info_netlogon_network failed!  Failing authenticaion.\n"));
+               return False;
+       }
+       
+       nt_status = auth_context->check_ntlm_password(auth_context, user_info, &server_info); 
+       
+       (auth_context->free)(&auth_context);
+       free_user_info(&user_info);
+       
+       p->ntlmssp_auth_validated = NT_STATUS_IS_OK(nt_status);
+       
+       if (!p->ntlmssp_auth_validated) {
+               DEBUG(1,("api_pipe_ntlmssp_verify: User [%s]\\[%s] from machine %s \
+failed authentication on named pipe %s.\n", domain, user_name, wks, p->name ));
+               free_server_info(&server_info);
+               return False;
        }
 
        /*
@@ -412,7 +374,7 @@ failed authentication on named pipe %s.\n", domain, pipe_user_name, wks, p->name
 
        {
                uchar p24[24];
-               NTLMSSPOWFencrypt(smb_passwd_ptr, lm_owf, p24);
+               NTLMSSPOWFencrypt(server_info->first_8_lm_hash, lm_owf, p24);
                {
                        unsigned char j = 0;
                        int ind;
@@ -446,7 +408,7 @@ failed authentication on named pipe %s.\n", domain, pipe_user_name, wks, p->name
        }
 
        fstrcpy(p->user_name, user_name);
-       fstrcpy(p->pipe_user_name, pipe_user_name);
+       fstrcpy(p->pipe_user_name, pdb_get_username(server_info->sam_account));
        fstrcpy(p->domain, domain);
        fstrcpy(p->wks, wks);
 
@@ -454,21 +416,35 @@ failed authentication on named pipe %s.\n", domain, pipe_user_name, wks, p->name
         * Store the UNIX credential data (uid/gid pair) in the pipe structure.
         */
 
-       p->pipe_user.uid = pdb_get_uid(sampass);
-       p->pipe_user.gid = pdb_get_uid(sampass);
+       if (!IS_SAM_UNIX_USER(server_info->sam_account)) {
+               DEBUG(0,("Attempted authenticated pipe with invalid user.  No uid/gid in SAM_ACCOUNT\n"));
+               free_server_info(&server_info);
+               return False;
+       }
+       
+       memcpy(p->session_key, server_info->session_key, sizeof(p->session_key));
+
+       uid = pdb_get_uid(server_info->sam_account);
+       gid = pdb_get_gid(server_info->sam_account);
+
+       p->pipe_user.uid = uid;
+       p->pipe_user.gid = gid;
 
        /* Set up pipe user group membership. */
-       initialise_groups(pipe_user_name, p->pipe_user.uid, p->pipe_user.gid);
+       initialise_groups(p->pipe_user_name, p->pipe_user.uid, p->pipe_user.gid);
        get_current_groups( &p->pipe_user.ngroups, &p->pipe_user.groups);
 
+       if (server_info->ptok)
+               add_supplementary_nt_login_groups(&p->pipe_user.ngroups, &p->pipe_user.groups, &server_info->ptok);
+
        /* Create an NT_USER_TOKEN struct for this user. */
        p->pipe_user.nt_user_token = create_nt_token(p->pipe_user.uid,p->pipe_user.gid,
-                                               p->pipe_user.ngroups, p->pipe_user.groups,
-                                               guest_user);
+                                                    p->pipe_user.ngroups, p->pipe_user.groups,
+                                                    server_info->guest, server_info->ptok);
 
        p->ntlmssp_auth_validated = True;
 
-       pdb_free_sam(sampass);
+       pdb_free_sam(&server_info->sam_account);
        return True;
 }
 
@@ -492,9 +468,7 @@ static struct api_cmd api_fd_commands[] =
     { "NETLOGON", "lsass",   api_netlog_rpc },
     { "winreg",   "winreg",  api_reg_rpc },
     { "spoolss",  "spoolss", api_spoolss_rpc },
-#ifdef WITH_MSDFS
     { "netdfs",   "netdfs" , api_netdfs_rpc },
-#endif
     { NULL,       NULL,      NULL }
 };
 
@@ -625,7 +599,7 @@ static BOOL setup_bind_nak(pipes_struct *p)
  Marshall a fault pdu.
 *******************************************************************/
 
-BOOL setup_fault_pdu(pipes_struct *p, uint32 status)
+BOOL setup_fault_pdu(pipes_struct *p, NTSTATUS status)
 {
        prs_struct outgoing_pdu;
        RPC_HDR fault_hdr;
@@ -1144,7 +1118,6 @@ BOOL api_pipe_request(pipes_struct *p)
 {
        int i = 0;
        BOOL ret = False;
-       BOOL changed_user_id = False;
 
        if (p->ntlmssp_auth_validated) {
 
@@ -1152,8 +1125,6 @@ BOOL api_pipe_request(pipes_struct *p)
                        prs_mem_free(&p->out_data.rdata);
                        return False;
                }
-
-               changed_user_id = True;
        }
 
        for (i = 0; api_fd_commands[i].pipe_clnt_name; i++) {
@@ -1166,8 +1137,8 @@ BOOL api_pipe_request(pipes_struct *p)
                }
        }
 
-       if(changed_user_id)
-               unbecome_authenticated_pipe_user(p);
+       if(p->ntlmssp_auth_validated)
+               unbecome_authenticated_pipe_user();
 
        return ret;
 }
@@ -1203,7 +1174,7 @@ BOOL api_rpcTNP(pipes_struct *p, char *rpc_name,
                 * and not put the pipe into fault state. JRA.
                 */
                DEBUG(4, ("unknown\n"));
-               setup_fault_pdu(p, 0x1c010002);
+               setup_fault_pdu(p, NT_STATUS(0x1c010002));
                return True;
        }
 
@@ -1216,6 +1187,13 @@ BOOL api_rpcTNP(pipes_struct *p, char *rpc_name,
                return False;
        }
 
+       if (p->bad_handle_fault_state) {
+               DEBUG(4,("api_rpcTNP: bad handle fault return.\n"));
+               p->bad_handle_fault_state = False;
+               setup_fault_pdu(p, NT_STATUS(0x1C00001A));
+               return True;
+       }
+
        slprintf(name, sizeof(name)-1, "out_%s", rpc_name);
        offset2 = prs_offset(&p->out_data.rdata);
        prs_set_offset(&p->out_data.rdata, offset1);
@@ -1238,7 +1216,7 @@ BOOL api_rpcTNP(pipes_struct *p, char *rpc_name,
                if (data) {
                        prs_uint8s(False, "", &p->in_data.data, 0, (unsigned char *)data,
                                   data_len);
-                       free(data);
+                       SAFE_FREE(data);
                }
 
        }