diff options
Diffstat (limited to 'source4/rpc_server/srv_lsa_hnd.c')
| -rw-r--r-- | source4/rpc_server/srv_lsa_hnd.c | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/source4/rpc_server/srv_lsa_hnd.c b/source4/rpc_server/srv_lsa_hnd.c deleted file mode 100644 index 814fa60aab..0000000000 --- a/source4/rpc_server/srv_lsa_hnd.c +++ /dev/null @@ -1,265 +0,0 @@ -/* - * Unix SMB/CIFS implementation. - * RPC Pipe client / server routines - * Copyright (C) Andrew Tridgell 1992-1997, - * Copyright (C) Luke Kenneth Casson Leighton 1996-1997, - * Copyright (C) Jeremy Allison 2001. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include "includes.h" - -#undef DBGC_CLASS -#define DBGC_CLASS DBGC_RPC_SRV - -/* This is the max handles across all instances of a pipe name. */ -#ifndef MAX_OPEN_POLS -#define MAX_OPEN_POLS 1024 -#endif - -/**************************************************************************** - Hack as handles need to be persisant over lsa pipe closes so long as a samr - pipe is open. JRA. -****************************************************************************/ - -static BOOL is_samr_lsa_pipe(const char *pipe_name) -{ - return (strstr(pipe_name, "samr") || strstr(pipe_name, "lsa")); -} - -/**************************************************************************** - Initialise a policy handle list on a pipe. Handle list is shared between all - pipes of the same name. -****************************************************************************/ - -BOOL init_pipe_handle_list(pipes_struct *p, char *pipe_name) -{ - pipes_struct *plist = get_first_internal_pipe(); - struct handle_list *hl = NULL; - - for (plist = get_first_internal_pipe(); plist; plist = get_next_internal_pipe(plist)) { - if (strequal( plist->name, pipe_name) || - (is_samr_lsa_pipe(plist->name) && is_samr_lsa_pipe(pipe_name))) { - if (!plist->pipe_handles) { - pstring msg; - slprintf(msg, sizeof(msg)-1, "init_pipe_handles: NULL pipe_handle pointer in pipe %s", - pipe_name ); - smb_panic(msg); - } - hl = plist->pipe_handles; - break; - } - } - - if (!hl) { - /* - * No handle list for this pipe (first open of pipe). - * Create list. - */ - - if ((hl = (struct handle_list *)malloc(sizeof(struct handle_list))) == NULL) - return False; - ZERO_STRUCTP(hl); - - DEBUG(10,("init_pipe_handles: created handle list for pipe %s\n", pipe_name )); - } - - /* - * One more pipe is using this list. - */ - - hl->pipe_ref_count++; - - /* - * Point this pipe at this list. - */ - - p->pipe_handles = hl; - - DEBUG(10,("init_pipe_handles: pipe_handles ref count = %u for pipe %s\n", - p->pipe_handles->pipe_ref_count, pipe_name )); - - return True; -} - -/**************************************************************************** - find first available policy slot. creates a policy handle for you. -****************************************************************************/ - -BOOL create_policy_hnd(pipes_struct *p, POLICY_HND *hnd, void (*free_fn)(void *), void *data_ptr) -{ - static uint32 pol_hnd_low = 0; - static uint32 pol_hnd_high = 0; - - struct policy *pol; - - if (p->pipe_handles->count > MAX_OPEN_POLS) { - DEBUG(0,("create_policy_hnd: ERROR: too many handles (%d) on this pipe.\n", - (int)p->pipe_handles->count)); - return False; - } - - pol = (struct policy *)malloc(sizeof(*p)); - if (!pol) { - DEBUG(0,("create_policy_hnd: ERROR: out of memory!\n")); - return False; - } - - ZERO_STRUCTP(pol); - - pol->data_ptr = data_ptr; - pol->free_fn = free_fn; - - pol_hnd_low++; - if (pol_hnd_low == 0) - (pol_hnd_high)++; - - SIVAL(&pol->pol_hnd.data1, 0 , 0); /* first bit must be null */ - SIVAL(&pol->pol_hnd.data2, 0 , pol_hnd_low ); /* second bit is incrementing */ - SSVAL(&pol->pol_hnd.data3, 0 , pol_hnd_high); /* second bit is incrementing */ - SSVAL(&pol->pol_hnd.data4, 0 , (pol_hnd_high>>16)); /* second bit is incrementing */ - SIVAL(pol->pol_hnd.data5, 0, time(NULL)); /* something random */ - SIVAL(pol->pol_hnd.data5, 4, sys_getpid()); /* something more random */ - - DLIST_ADD(p->pipe_handles->Policy, pol); - p->pipe_handles->count++; - - *hnd = pol->pol_hnd; - - DEBUG(4,("Opened policy hnd[%d] ", (int)p->pipe_handles->count)); - dump_data(4, (char *)hnd, sizeof(*hnd)); - - return True; -} - -/**************************************************************************** - find policy by handle - internal version. -****************************************************************************/ - -static struct policy *find_policy_by_hnd_internal(pipes_struct *p, POLICY_HND *hnd, void **data_p) -{ - struct policy *pol; - size_t i; - - if (data_p) - *data_p = NULL; - - for (i = 0, pol=p->pipe_handles->Policy;pol;pol=pol->next, i++) { - if (memcmp(&pol->pol_hnd, hnd, sizeof(*hnd)) == 0) { - DEBUG(4,("Found policy hnd[%d] ", (int)i)); - dump_data(4, (char *)hnd, sizeof(*hnd)); - if (data_p) - *data_p = pol->data_ptr; - return pol; - } - } - - DEBUG(4,("Policy not found: ")); - dump_data(4, (char *)hnd, sizeof(*hnd)); - - p->bad_handle_fault_state = True; - - return NULL; -} - -/**************************************************************************** - find policy by handle -****************************************************************************/ - -BOOL find_policy_by_hnd(pipes_struct *p, POLICY_HND *hnd, void **data_p) -{ - return find_policy_by_hnd_internal(p, hnd, data_p) == NULL ? False : True; -} - -/**************************************************************************** - Close a policy. -****************************************************************************/ - -BOOL close_policy_hnd(pipes_struct *p, POLICY_HND *hnd) -{ - struct policy *pol = find_policy_by_hnd_internal(p, hnd, NULL); - - if (!pol) { - DEBUG(3,("Error closing policy\n")); - return False; - } - - DEBUG(3,("Closed policy\n")); - - if (pol->free_fn && pol->data_ptr) - (*pol->free_fn)(pol->data_ptr); - - p->pipe_handles->count--; - - DLIST_REMOVE(p->pipe_handles->Policy, pol); - - ZERO_STRUCTP(pol); - - SAFE_FREE(pol); - - return True; -} - -/**************************************************************************** - Close a pipe - free the handle list if it was the last pipe reference. -****************************************************************************/ - -void close_policy_by_pipe(pipes_struct *p) -{ - p->pipe_handles->pipe_ref_count--; - - if (p->pipe_handles->pipe_ref_count == 0) { - /* - * Last pipe open on this list - free the list. - */ - while (p->pipe_handles->Policy) - close_policy_hnd(p, &p->pipe_handles->Policy->pol_hnd); - - p->pipe_handles->Policy = NULL; - p->pipe_handles->count = 0; - - SAFE_FREE(p->pipe_handles); - DEBUG(10,("close_policy_by_pipe: deleted handle list for pipe %s\n", p->name )); - } -} - -/******************************************************************* -Shall we allow access to this rpc? Currently this function -implements the 'restrict anonymous' setting by denying access to -anonymous users if the restrict anonymous level is > 0. Further work -will be checking a security descriptor to determine whether a user -token has enough access to access the pipe. -********************************************************************/ - -BOOL pipe_access_check(pipes_struct *p) -{ - /* Don't let anonymous users access this RPC if restrict - anonymous > 0 */ - - if (lp_restrict_anonymous() > 0) { - user_struct *user = get_valid_user_struct(p->vuid); - - if (!user) { - DEBUG(3, ("invalid vuid %d\n", p->vuid)); - return False; - } - - if (user->guest) - return False; - } - - return True; -} |