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
+ 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,
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.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
/****************************************************************************
check if a snum is in use
****************************************************************************/
-BOOL conn_snum_used(int snum)
+bool conn_snum_used(int snum)
{
connection_struct *conn;
for (conn=Connections;conn;conn=conn->next) {
- if (conn->service == snum) {
+ if (conn->params->service == snum) {
return(True);
}
}
return(False);
}
-
/****************************************************************************
-find a conn given a cnum
+ Find a conn given a cnum.
****************************************************************************/
+
connection_struct *conn_find(unsigned cnum)
{
int count=0;
return NULL;
}
-
/****************************************************************************
find first available connection slot, starting from a random position.
The randomisation stops problems with the server dieing and clients
****************************************************************************/
connection_struct *conn_new(void)
{
- TALLOC_CTX *mem_ctx;
connection_struct *conn;
int i;
int find_offset = 1;
int newsz = bmap->n + BITMAP_BLOCK_SZ;
struct bitmap * nbmap;
- if (newsz <= 0) {
+ if (newsz <= oldsz) {
/* Integer wrap. */
DEBUG(0,("ERROR! Out of connection structures\n"));
return NULL;
oldsz, newsz));
nbmap = bitmap_allocate(newsz);
+ if (!nbmap) {
+ DEBUG(0,("ERROR! malloc fail.\n"));
+ return NULL;
+ }
bitmap_copy(nbmap, bmap);
bitmap_free(bmap);
goto find_again;
}
- if ((mem_ctx=talloc_init("connection_struct"))==NULL) {
- DEBUG(0,("talloc_init(connection_struct) failed!\n"));
+ /* The bitmap position is used below as the connection number
+ * conn->cnum). This ends up as the TID field in the SMB header,
+ * which is limited to 16 bits (we skip 0xffff which is the
+ * NULL TID).
+ */
+ if (i > 65534) {
+ DEBUG(0, ("Maximum connection limit reached\n"));
return NULL;
}
- if ((conn=TALLOC_ZERO_P(mem_ctx, connection_struct))==NULL) {
- DEBUG(0,("talloc_zero() failed!\n"));
+ if (!(conn=TALLOC_ZERO_P(NULL, connection_struct)) ||
+ !(conn->params = TALLOC_P(conn, struct share_params))) {
+ DEBUG(0,("TALLOC_ZERO() failed!\n"));
+ TALLOC_FREE(conn);
return NULL;
}
- conn->mem_ctx = mem_ctx;
conn->cnum = i;
bitmap_set(bmap, i);
num_open++;
- string_set(&conn->user,"");
string_set(&conn->dirpath,"");
string_set(&conn->connectpath,"");
string_set(&conn->origpath,"");
}
/****************************************************************************
-close all conn structures
+ Close all conn structures.
+return true if any were closed
****************************************************************************/
-void conn_close_all(void)
+bool conn_close_all(void)
{
connection_struct *conn, *next;
+ bool ret = false;
for (conn=Connections;conn;conn=next) {
next=conn->next;
set_current_service(conn, 0, True);
close_cnum(conn, conn->vuid);
+ ret = true;
}
+ return ret;
}
/****************************************************************************
Idle inactive connections.
****************************************************************************/
-BOOL conn_idle_all(time_t t, int deadtime)
+bool conn_idle_all(time_t t)
{
+ int deadtime = lp_deadtime()*60;
pipes_struct *plist = NULL;
- BOOL allidle = True;
- connection_struct *conn, *next;
+ connection_struct *conn;
+
+ if (deadtime <= 0)
+ deadtime = DEFAULT_SMBD_TIMEOUT;
+
+ for (conn=Connections;conn;conn=conn->next) {
+
+ time_t age = t - conn->lastused;
+
+ /* Update if connection wasn't idle. */
+ if (conn->lastused != conn->lastused_count) {
+ conn->lastused = t;
+ conn->lastused_count = t;
+ }
- for (conn=Connections;conn;conn=next) {
- next=conn->next;
/* close dirptrs on connections that are idle */
- if ((t-conn->lastused) > DPTR_IDLE_TIMEOUT)
+ if (age > DPTR_IDLE_TIMEOUT) {
dptr_idlecnum(conn);
+ }
- if (conn->num_files_open > 0 ||
- (t-conn->lastused)<deadtime)
- allidle = False;
+ if (conn->num_files_open > 0 || age < deadtime) {
+ return False;
+ }
}
/*
* idle with a handle open.
*/
- for (plist = get_first_internal_pipe(); plist; plist = get_next_internal_pipe(plist))
- if (plist->pipe_handles && plist->pipe_handles->count)
- allidle = False;
+ for (plist = get_first_internal_pipe(); plist;
+ plist = get_next_internal_pipe(plist)) {
+ if (plist->pipe_handles && plist->pipe_handles->count) {
+ return False;
+ }
+ }
- return allidle;
+ return True;
}
/****************************************************************************
Clear a vuid out of the validity cache, and as the 'owner' of a connection.
****************************************************************************/
-void conn_clear_vuid_cache(uint16 vuid)
+void conn_clear_vuid_caches(uint16_t vuid)
{
connection_struct *conn;
- unsigned int i;
for (conn=Connections;conn;conn=conn->next) {
if (conn->vuid == vuid) {
conn->vuid = UID_FIELD_INVALID;
}
-
- for (i=0;i<conn->vuid_cache.entries && i< VUID_CACHE_SIZE;i++) {
- if (conn->vuid_cache.array[i].vuid == vuid) {
- struct vuid_cache_entry *ent = &conn->vuid_cache.array[i];
- ent->vuid = UID_FIELD_INVALID;
- ent->read_only = False;
- ent->admin_user = False;
- }
- }
+ conn_clear_vuid_cache(conn, vuid);
}
}
void conn_free_internal(connection_struct *conn)
{
vfs_handle_struct *handle = NULL, *thandle = NULL;
- TALLOC_CTX *mem_ctx = NULL;
+ struct trans_state *state = NULL;
/* Free vfs_connection_struct */
handle = conn->vfs_handles;
while(handle) {
- DLIST_REMOVE(conn->vfs_handles, handle);
thandle = handle->next;
+ DLIST_REMOVE(conn->vfs_handles, handle);
if (handle->free_data)
handle->free_data(&handle->data);
handle = thandle;
}
- if (conn->ngroups && conn->groups) {
- SAFE_FREE(conn->groups);
- conn->ngroups = 0;
- }
-
- if (conn->nt_user_token) {
- delete_nt_token(&(conn->nt_user_token));
+ /* Free any pending transactions stored on this conn. */
+ for (state = conn->pending_trans; state; state = state->next) {
+ /* state->setup is a talloc child of state. */
+ SAFE_FREE(state->param);
+ SAFE_FREE(state->data);
}
free_namearray(conn->veto_list);
free_namearray(conn->veto_oplock_list);
free_namearray(conn->aio_write_behind_list);
- string_free(&conn->user);
string_free(&conn->dirpath);
string_free(&conn->connectpath);
string_free(&conn->origpath);
- mem_ctx = conn->mem_ctx;
ZERO_STRUCTP(conn);
- talloc_destroy(mem_ctx);
+ talloc_destroy(conn);
}
/****************************************************************************
DLIST_REMOVE(Connections, conn);
bitmap_clear(bmap, conn->cnum);
+
+ SMB_ASSERT(num_open > 0);
num_open--;
conn_free_internal(conn);
share are unmounted
the special sharename '*' forces unmount of all shares
****************************************************************************/
-void msg_force_tdis(int msg_type, struct process_id pid, void *buf, size_t len)
+void msg_force_tdis(struct messaging_context *msg,
+ void *private_data,
+ uint32_t msg_type,
+ struct server_id server_id,
+ DATA_BLOB *data)
{
connection_struct *conn, *next;
fstring sharename;
- fstrcpy(sharename, (const char *)buf);
+ fstrcpy(sharename, (const char *)data->data);
if (strcmp(sharename, "*") == 0) {
DEBUG(1,("Forcing close of all shares\n"));
for (conn=Connections;conn;conn=next) {
next=conn->next;
- if (strequal(lp_servicename(conn->service), sharename)) {
+ if (strequal(lp_servicename(SNUM(conn)), sharename)) {
DEBUG(1,("Forcing close of share %s cnum=%d\n",
sharename, conn->cnum));
close_cnum(conn, (uint16)-1);
git.samba.org / kai / samba.git / blobdiff