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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"
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# include "smbd/smbd.h"
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# include "smbd/globals.h"
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# include "../lib/util/memcache.h"
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# include "messages.h"
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# include <tdb.h>
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# ifdef USE_DMAPI
struct smbd_dmapi_context * dmapi_ctx = NULL ;
# endif
/* 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 ;
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pid_t background_lpq_updater_pid = - 1 ;
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/****************************************************************************
structure to hold a linked list of queued messages .
for processing .
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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uint32_t common_flags2 = FLAGS2_LONG_PATH_COMPONENTS | FLAGS2_32_BIT_ERROR_CODES | FLAGS2_EXTENDED_ATTRIBUTES ;
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struct smb_trans_enc_state * partial_srv_trans_enc_ctx = NULL ;
struct smb_trans_enc_state * srv_trans_enc_ctx = NULL ;
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/* 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 ;
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char * LastDir = NULL ;
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struct smbd_parent_context * am_parent = NULL ;
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struct memcache * smbd_memcache_ctx = NULL ;
bool exit_firsttime = true ;
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struct smbXsrv_client * global_smbXsrv_client = NULL ;
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struct memcache * smbd_memcache ( void )
{
if ( ! smbd_memcache_ctx ) {
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/*
* 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 ,
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lp_max_stat_cache_size ( ) * 1024 ) ;
}
if ( ! smbd_memcache_ctx ) {
smb_panic ( " Could not init smbd memcache " ) ;
}
return smbd_memcache_ctx ;
}
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void smbd_init_globals ( void )
{
ZERO_STRUCT ( conn_ctx_stack ) ;
ZERO_STRUCT ( sec_ctx_stack ) ;
}