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authorSATOH Fumiyasu <fumiyas@osstech.co.jp>2009-10-28 12:48:36 -0700
committerJeremy Allison <jra@samba.org>2009-10-28 12:48:36 -0700
commitc27194a7e08b51a36a3214a84dcd3d6a12c7f891 (patch)
tree19ee6aec78b26ddc1008b8f8154a6f0ffe276d53 /source3/libsmb
parent0ba004dc7df8b4b3558d7fc4512c9491aa5a646d (diff)
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Fix bug 6572 - libsmbclient: unable to access 'msdfs proxy' share.
Diffstat (limited to 'source3/libsmb')
-rw-r--r--source3/libsmb/clidfs.c14
-rw-r--r--source3/libsmb/libsmb_server.c143
2 files changed, 111 insertions, 46 deletions
diff --git a/source3/libsmb/clidfs.c b/source3/libsmb/clidfs.c
index 53dc6d7984..33529595a2 100644
--- a/source3/libsmb/clidfs.c
+++ b/source3/libsmb/clidfs.c
@@ -32,16 +32,6 @@
as a separator when looking at the pathname part.... JRA.
********************************************************************/
-static bool cli_check_msdfs_proxy(TALLOC_CTX *ctx,
- struct cli_state *cli,
- const char *sharename,
- char **pp_newserver,
- char **pp_newshare,
- bool force_encrypt,
- const char *username,
- const char *password,
- const char *domain);
-
/********************************************************************
Ensure a connection is encrypted.
********************************************************************/
@@ -241,7 +231,7 @@ static struct cli_state *do_connect(TALLOC_CTX *ctx,
/* here's the fun part....to support 'msdfs proxy' shares
(on Samba or windows) we have to issues a TRANS_GET_DFS_REFERRAL
here before trying to connect to the original share.
- check_dfs_proxy() will fail if it is a normal share. */
+ cli_check_msdfs_proxy() will fail if it is a normal share. */
if ((c->capabilities & CAP_DFS) &&
cli_check_msdfs_proxy(ctx, c, sharename,
@@ -984,7 +974,7 @@ bool cli_resolve_path(TALLOC_CTX *ctx,
/********************************************************************
********************************************************************/
-static bool cli_check_msdfs_proxy(TALLOC_CTX *ctx,
+bool cli_check_msdfs_proxy(TALLOC_CTX *ctx,
struct cli_state *cli,
const char *sharename,
char **pp_newserver,
diff --git a/source3/libsmb/libsmb_server.c b/source3/libsmb/libsmb_server.c
index 50ecee2c7e..db9d6de40f 100644
--- a/source3/libsmb/libsmb_server.c
+++ b/source3/libsmb/libsmb_server.c
@@ -7,6 +7,7 @@
Copyright (C) Tom Jansen (Ninja ISD) 2002
Copyright (C) Derrell Lipman 2003-2008
Copyright (C) Jeremy Allison 2007, 2008
+ Copyright (C) SATOH Fumiyasu <fumiyas@osstech.co.jp> 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
@@ -227,15 +228,16 @@ check_server_cache:
* info we need, unless the username and password were passed in.
*/
-SMBCSRV *
-SMBC_server(TALLOC_CTX *ctx,
+static SMBCSRV *
+SMBC_server_internal(TALLOC_CTX *ctx,
SMBCCTX *context,
bool connect_if_not_found,
const char *server,
const char *share,
char **pp_workgroup,
char **pp_username,
- char **pp_password)
+ char **pp_password,
+ bool *in_cache)
{
SMBCSRV *srv=NULL;
char *workgroup = NULL;
@@ -250,9 +252,11 @@ SMBC_server(TALLOC_CTX *ctx,
uint32 fs_attrs = 0;
const char *username_used;
NTSTATUS status;
+ char *newserver, *newshare;
zero_sockaddr(&ss);
ZERO_STRUCT(c);
+ *in_cache = false;
if (server[0] == 0) {
errno = EPERM;
@@ -279,9 +283,18 @@ SMBC_server(TALLOC_CTX *ctx,
* disconnect if the requested share is not the same as the
* one that was already connected.
*/
+
+ /*
+ * Use srv->cli->desthost and srv->cli->share instead of
+ * server and share below to connect to the actual share,
+ * i.e., a normal share or a referred share from
+ * 'msdfs proxy' share.
+ */
if (srv->cli->cnum == (uint16) -1) {
/* Ensure we have accurate auth info */
- SMBC_call_auth_fn(ctx, context, server, share,
+ SMBC_call_auth_fn(ctx, context,
+ srv->cli->desthost,
+ srv->cli->share,
pp_workgroup,
pp_username,
pp_password);
@@ -301,7 +314,7 @@ SMBC_server(TALLOC_CTX *ctx,
* tid.
*/
- status = cli_tcon_andx(srv->cli, share, "?????",
+ status = cli_tcon_andx(srv->cli, srv->cli->share, "?????",
*pp_password,
strlen(*pp_password)+1);
if (!NT_STATUS_IS_OK(status)) {
@@ -350,8 +363,8 @@ SMBC_server(TALLOC_CTX *ctx,
* server and share
*/
if (srv) {
- srv->dev = (dev_t)(str_checksum(server) ^
- str_checksum(share));
+ srv->dev = (dev_t)(str_checksum(srv->cli->desthost) ^
+ str_checksum(srv->cli->share));
}
}
}
@@ -360,6 +373,7 @@ SMBC_server(TALLOC_CTX *ctx,
if (srv) {
/* ... then we're done here. Give 'em what they came for. */
+ *in_cache = true;
goto done;
}
@@ -510,6 +524,32 @@ again:
DEBUG(4,(" session setup ok\n"));
+ /* here's the fun part....to support 'msdfs proxy' shares
+ (on Samba or windows) we have to issues a TRANS_GET_DFS_REFERRAL
+ here before trying to connect to the original share.
+ cli_check_msdfs_proxy() will fail if it is a normal share. */
+
+ if ((c->capabilities & CAP_DFS) &&
+ cli_check_msdfs_proxy(ctx, c, share,
+ &newserver, &newshare,
+ /* FIXME: cli_check_msdfs_proxy() does
+ not support smbc_smb_encrypt_level type */
+ context->internal->smb_encryption_level ?
+ true : false,
+ *pp_username,
+ *pp_password,
+ *pp_workgroup)) {
+ cli_shutdown(c);
+ srv = SMBC_server_internal(ctx, context, connect_if_not_found,
+ newserver, newshare, pp_workgroup,
+ pp_username, pp_password, in_cache);
+ TALLOC_FREE(newserver);
+ TALLOC_FREE(newshare);
+ return srv;
+ }
+
+ /* must be a normal share */
+
status = cli_tcon_andx(c, share, "?????", *pp_password,
strlen(*pp_password)+1);
if (!NT_STATUS_IS_OK(status)) {
@@ -579,8 +619,9 @@ again:
srv = SMB_MALLOC_P(SMBCSRV);
if (!srv) {
+ cli_shutdown(c);
errno = ENOMEM;
- goto failed;
+ return NULL;
}
ZERO_STRUCTP(srv);
@@ -590,26 +631,6 @@ again:
srv->no_pathinfo2 = False;
srv->no_nt_session = False;
- /* now add it to the cache (internal or external) */
- /* Let the cache function set errno if it wants to */
- errno = 0;
- if (smbc_getFunctionAddCachedServer(context)(context, srv,
- server, share,
- *pp_workgroup,
- *pp_username)) {
- int saved_errno = errno;
- DEBUG(3, (" Failed to add server to cache\n"));
- errno = saved_errno;
- if (errno == 0) {
- errno = ENOMEM;
- }
- goto failed;
- }
-
- DEBUG(2, ("Server connect ok: //%s/%s: %p\n",
- server, share, srv));
-
- DLIST_ADD(context->internal->servers, srv);
done:
if (!pp_workgroup || !*pp_workgroup || !**pp_workgroup) {
workgroup = talloc_strdup(ctx, smbc_getWorkgroup(context));
@@ -619,23 +640,62 @@ done:
if(!workgroup) {
return NULL;
}
-
+
/* set the credentials to make DFS work */
smbc_set_credentials_with_fallback(context,
workgroup,
*pp_username,
*pp_password);
-
+
return srv;
+}
+
+SMBCSRV *
+SMBC_server(TALLOC_CTX *ctx,
+ SMBCCTX *context,
+ bool connect_if_not_found,
+ const char *server,
+ const char *share,
+ char **pp_workgroup,
+ char **pp_username,
+ char **pp_password)
+{
+ SMBCSRV *srv=NULL;
+ bool in_cache = false;
+
+ srv = SMBC_server_internal(ctx, context, connect_if_not_found,
+ server, share, pp_workgroup,
+ pp_username, pp_password, &in_cache);
-failed:
- cli_shutdown(c);
if (!srv) {
return NULL;
}
+ if (in_cache) {
+ return srv;
+ }
+
+ /* Now add it to the cache (internal or external) */
+ /* Let the cache function set errno if it wants to */
+ errno = 0;
+ if (smbc_getFunctionAddCachedServer(context)(context, srv,
+ server, share,
+ *pp_workgroup,
+ *pp_username)) {
+ int saved_errno = errno;
+ DEBUG(3, (" Failed to add server to cache\n"));
+ errno = saved_errno;
+ if (errno == 0) {
+ errno = ENOMEM;
+ }
+ SAFE_FREE(srv);
+ return NULL;
+ }
- SAFE_FREE(srv);
- return NULL;
+ DEBUG(2, ("Server connect ok: //%s/%s: %p\n",
+ server, share, srv));
+
+ DLIST_ADD(context->internal->servers, srv);
+ return srv;
}
/*
@@ -656,8 +716,23 @@ SMBC_attr_server(TALLOC_CTX *ctx,
struct cli_state *ipc_cli;
struct rpc_pipe_client *pipe_hnd;
NTSTATUS nt_status;
+ SMBCSRV *srv=NULL;
SMBCSRV *ipc_srv=NULL;
+ /*
+ * Use srv->cli->desthost and srv->cli->share instead of
+ * server and share below to connect to the actual share,
+ * i.e., a normal share or a referred share from
+ * 'msdfs proxy' share.
+ */
+ srv = SMBC_server(ctx, context, true, server, share,
+ pp_workgroup, pp_username, pp_password);
+ if (!srv) {
+ return NULL;
+ }
+ server = srv->cli->desthost;
+ share = srv->cli->share;
+
/*
* See if we've already created this special connection. Reference
* our "special" share name '*IPC$', which is an impossible real share