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/*
Unix SMB/Netbios implementation.
smbd globals
Copyright (C) Stefan Metzmacher 2009
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "smbd/smbd.h"
#include "smbd/globals.h"
#include "../lib/util/memcache.h"
#include "messages.h"
#include "tdb_compat.h"
int aio_pending_size = 100; /* tevent supports 100 signals SA_SIGINFO */
int outstanding_aio_calls = 0;
#ifdef USE_DMAPI
struct smbd_dmapi_context *dmapi_ctx = NULL;
#endif
bool dfree_broken = false;
/* how many write cache buffers have been allocated */
unsigned int allocated_write_caches = 0;
const struct mangle_fns *mangle_fns = NULL;
unsigned char *chartest = NULL;
TDB_CONTEXT *tdb_mangled_cache = NULL;
/*
this determines how many characters are used from the original filename
in the 8.3 mangled name. A larger value leads to a weaker hash and more collisions.
The largest possible value is 6.
*/
unsigned mangle_prefix = 0;
bool logged_ioctl_message = false;
time_t last_smb_conf_reload_time = 0;
time_t last_printer_reload_time = 0;
pid_t background_lpq_updater_pid = -1;
/****************************************************************************
structure to hold a linked list of queued messages.
for processing.
****************************************************************************/
uint32_t common_flags2 = FLAGS2_LONG_PATH_COMPONENTS|FLAGS2_32_BIT_ERROR_CODES|FLAGS2_EXTENDED_ATTRIBUTES;
struct smb_trans_enc_state *partial_srv_trans_enc_ctx = NULL;
struct smb_trans_enc_state *srv_trans_enc_ctx = NULL;
/* A stack of security contexts. We include the current context as being
the first one, so there is room for another MAX_SEC_CTX_DEPTH more. */
struct sec_ctx sec_ctx_stack[MAX_SEC_CTX_DEPTH + 1];
int sec_ctx_stack_ndx = 0;
bool become_uid_done = false;
bool become_gid_done = false;
connection_struct *last_conn = NULL;
uint16_t last_flags = 0;
uint32_t global_client_caps = 0;
uint16_t fnf_handle = 257;
/* A stack of current_user connection contexts. */
struct conn_ctx conn_ctx_stack[MAX_SEC_CTX_DEPTH];
int conn_ctx_stack_ndx = 0;
struct vfs_init_function_entry *backends = NULL;
char *sparse_buf = NULL;
char *LastDir = NULL;
struct smbd_parent_context *am_parent = NULL;
struct memcache *smbd_memcache_ctx = NULL;
bool exit_firsttime = true;
struct smbXsrv_client *global_smbXsrv_client = NULL;
struct memcache *smbd_memcache(void)
{
if (!smbd_memcache_ctx) {
/*
* Note we MUST use the NULL context here, not the
* autofree context, to avoid side effects in forked
* children exiting.
*/
smbd_memcache_ctx = memcache_init(NULL,
lp_max_stat_cache_size()*1024);
}
if (!smbd_memcache_ctx) {
smb_panic("Could not init smbd memcache");
}
return smbd_memcache_ctx;
}
void smbd_init_globals(void)
{
ZERO_STRUCT(conn_ctx_stack);
ZERO_STRUCT(sec_ctx_stack);
}
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