client connect/disconnect routines
Copyright (C) Andrew Tridgell 1994-1998
Copyright (C) Gerald (Jerry) Carter 2004
- Copyright (C) Jeremy Allison 2007
+ Copyright (C) Jeremy Allison 2007-2009
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
as a separator when looking at the pathname part.... JRA.
********************************************************************/
-struct client_connection {
- struct client_connection *prev, *next;
- struct cli_state *cli;
- char *mount;
-};
-
static struct cm_cred_struct {
char *username;
char *password;
static void cm_set_password(const char *newpass);
-static struct client_connection *connections;
-
static bool cli_check_msdfs_proxy(TALLOC_CTX *ctx,
struct cli_state *cli,
const char *sharename,
return status;
}
-
+
/********************************************************************
Return a connection to a server.
********************************************************************/
/****************************************************************************
****************************************************************************/
-static void cli_cm_set_mntpoint(struct cli_state *c, const char *mnt)
-{
- struct client_connection *p;
- int i;
-
- for (p=connections,i=0; p; p=p->next,i++) {
- if (strequal(p->cli->desthost, c->desthost) &&
- strequal(p->cli->share, c->share)) {
- break;
- }
- }
-
- if (p) {
- char *name = clean_name(NULL, mnt);
- if (!name) {
- return;
- }
- TALLOC_FREE(p->mount);
- p->mount = talloc_strdup(p, name);
- TALLOC_FREE(name);
- }
-}
-
-/****************************************************************************
-****************************************************************************/
-
-const char *cli_cm_get_mntpoint(struct cli_state *c)
+static void cli_set_mntpoint(struct cli_state *cli, const char *mnt)
{
- struct client_connection *p;
- int i;
-
- for (p=connections,i=0; p; p=p->next,i++) {
- if (strequal(p->cli->desthost, c->desthost) &&
- strequal(p->cli->share, c->share)) {
- break;
- }
- }
-
- if (p) {
- return p->mount;
+ char *name = clean_name(NULL, mnt);
+ if (!name) {
+ return;
}
- return NULL;
+ TALLOC_FREE(cli->dfs_mountpoint);
+ cli->dfs_mountpoint = talloc_strdup(cli, name);
+ TALLOC_FREE(name);
}
/********************************************************************
- Add a new connection to the list
+ Add a new connection to the list.
+ referring_cli == NULL means a new initial connection.
********************************************************************/
static struct cli_state *cli_cm_connect(TALLOC_CTX *ctx,
int port,
int name_type)
{
- struct client_connection *node;
-
- /* NB This must be the null context here... JRA. */
- node = TALLOC_ZERO_ARRAY(NULL, struct client_connection, 1);
- if (!node) {
- return NULL;
- }
+ struct cli_state *cli;
- node->cli = do_connect(ctx, server, share,
+ cli = do_connect(ctx, server, share,
show_hdr, force_encrypt, max_protocol,
port, name_type);
- if ( !node->cli ) {
- TALLOC_FREE( node );
+ if (!cli ) {
return NULL;
}
- DLIST_ADD( connections, node );
-
- cli_cm_set_mntpoint(node->cli, "");
+ /* Enter into the list. */
+ if (referring_cli) {
+ DLIST_ADD_END(referring_cli, cli, struct cli_state *);
+ }
if (referring_cli && referring_cli->posix_capabilities) {
uint16 major, minor;
uint32 caplow, caphigh;
- if (cli_unix_extensions_version(node->cli, &major,
+ if (cli_unix_extensions_version(cli, &major,
&minor, &caplow, &caphigh)) {
- cli_set_unix_extensions_capabilities(node->cli,
+ cli_set_unix_extensions_capabilities(cli,
major, minor,
caplow, caphigh);
}
}
- return node->cli;
+ return cli;
}
/********************************************************************
- Return a connection to a server.
+ Return a connection to a server on a particular share.
********************************************************************/
-static struct cli_state *cli_cm_find(const char *server, const char *share)
+static struct cli_state *cli_cm_find(struct cli_state *cli,
+ const char *server,
+ const char *share)
{
- struct client_connection *p;
+ struct cli_state *p;
- for (p=connections; p; p=p->next) {
- if ( strequal(server, p->cli->desthost) &&
- strequal(share,p->cli->share)) {
- return p->cli;
+ if (cli == NULL) {
+ return NULL;
+ }
+
+ /* Search to the start of the list. */
+ for (p = cli; p; p = p->prev) {
+ if (strequal(server, p->desthost) &&
+ strequal(share,p->share)) {
+ return p;
+ }
+ }
+
+ /* Search to the end of the list. */
+ for (p = cli->next; p; p = p->next) {
+ if (strequal(server, p->desthost) &&
+ strequal(share,p->share)) {
+ return p;
}
}
}
/****************************************************************************
- Open a client connection to a \\server\share. Set's the current *cli
- global variable as a side-effect (but only if the connection is successful).
+ Open a client connection to a \\server\share.
****************************************************************************/
struct cli_state *cli_cm_open(TALLOC_CTX *ctx,
int port,
int name_type)
{
- struct cli_state *c;
+ /* Try to reuse an existing connection in this list. */
+ struct cli_state *c = cli_cm_find(referring_cli, server, share);
- /* try to reuse an existing connection */
+ if (c) {
+ return c;
+ }
- c = cli_cm_find(server, share);
- if (!c) {
- c = cli_cm_connect(ctx, referring_cli,
+ return cli_cm_connect(ctx, referring_cli,
server, share, show_hdr, force_encrypt,
max_protocol, port, name_type);
- }
-
- return c;
-}
-
-/****************************************************************************
-****************************************************************************/
-
-void cli_cm_shutdown(void)
-{
- struct client_connection *p, *x;
-
- for (p=connections; p;) {
- cli_shutdown(p->cli);
- x = p;
- p = p->next;
-
- TALLOC_FREE(x);
- }
-
- connections = NULL;
- return;
}
/****************************************************************************
****************************************************************************/
-void cli_cm_display(void)
+void cli_cm_display(const struct cli_state *cli)
{
- struct client_connection *p;
int i;
- for ( p=connections,i=0; p; p=p->next,i++ ) {
+ for (i=0; cli; cli = cli->next,i++ ) {
d_printf("%d:\tserver=%s, share=%s\n",
- i, p->cli->desthost, p->cli->share );
+ i, cli->desthost, cli->share );
}
}
return false;
}
- cli_cm_set_mntpoint(*targetcli, newmount);
+ cli_set_mntpoint(*targetcli, newmount);
/* Check for another dfs referral, note that we are not
checking for loops here. */
git.samba.org / jra / samba / .git / commitdiff