sin/samba-mirror
1
0
Fork 0
mirror of https://github.com/samba-team/samba.git synced 2025-01-11 05:18:09 +03:00
Code

s3:msdfs: implement setup_dfs_referral() on top of SMB_VFS_GET_DFS_REFERRALS()

Browse Source 
metze
This commit is contained in:
Stefan Metzmacher 2011-10-01 09:13:50 +02:00
parent 9bd26d8190
commit f6eb85c952
2 changed files with 36 additions and 90 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

124
source3/smbd/msdfs.c
View File

@ -29,6 +29,7 @@
#include "auth.h"
#include "lib/param/loadparm.h"
#include "libcli/security/security.h"
#include "librpc/gen_ndr/ndr_dfsblobs.h"
/**********************************************************************
Parse a DFS pathname of the form \hostname\service\reqpath
@ -1223,110 +1224,55 @@ int setup_dfs_referral(connection_struct *orig_conn,
int max_referral_level,
char **ppdata, NTSTATUS *pstatus)
{
struct junction_map *junction = NULL;
int consumedcnt = 0;
bool self_referral = False;
char *pdata = *ppdata;
int reply_size = 0;
char *pathnamep = NULL;
char *local_dfs_path = NULL;
TALLOC_CTX *ctx;
struct dfs_GetDFSReferral *r;
DATA_BLOB blob = data_blob_null;
NTSTATUS status;
enum ndr_err_code ndr_err;
if (!(ctx=talloc_init("setup_dfs_referral"))) {
r = talloc_zero(talloc_tos(), struct dfs_GetDFSReferral);
if (r == NULL) {
*pstatus = NT_STATUS_NO_MEMORY;
return -1;
}
/* get the junction entry */
if (!dfs_path) {
talloc_destroy(ctx);
*pstatus = NT_STATUS_NOT_FOUND;
return -1;
}
/*
* Trim pathname sent by client so it begins with only one backslash.
* Two backslashes confuse some dfs clients
*/
local_dfs_path = talloc_strdup(ctx,dfs_path);
if (!local_dfs_path) {
r->in.req.max_referral_level = max_referral_level;
r->in.req.servername = talloc_strdup(r, dfs_path);
if (r->in.req.servername == NULL) {
talloc_free(r);
*pstatus = NT_STATUS_NO_MEMORY;
talloc_destroy(ctx);
return -1;
}
pathnamep = local_dfs_path;
while (IS_DIRECTORY_SEP(pathnamep[0]) &&
IS_DIRECTORY_SEP(pathnamep[1])) {
pathnamep++;
}
junction = talloc_zero(ctx, struct junction_map);
if (!junction) {
*pstatus = NT_STATUS_NO_MEMORY;
talloc_destroy(ctx);
return -1;
}
/* The following call can change cwd. */
*pstatus = get_referred_path(ctx, pathnamep, orig_conn->sconn,
junction, &consumedcnt, &self_referral);
if (!NT_STATUS_IS_OK(*pstatus)) {
vfs_ChDir(orig_conn,orig_conn->connectpath);
talloc_destroy(ctx);
return -1;
}
vfs_ChDir(orig_conn,orig_conn->connectpath);
if (!self_referral) {
pathnamep[consumedcnt] = '\0';
if( DEBUGLVL( 3 ) ) {
int i=0;
dbgtext("setup_dfs_referral: Path %s to "
"alternate path(s):",
pathnamep);
for(i=0;i<junction->referral_count;i++)
dbgtext(" %s",
junction->referral_list[i].alternate_path);
dbgtext(".\n");
}
}
/* create the referral depeding on version */
DEBUG(10,("max_referral_level :%d\n",max_referral_level));
if (max_referral_level < 2) {
max_referral_level = 2;
}
if (max_referral_level > 3) {
max_referral_level = 3;
}
switch(max_referral_level) {
case 2:
reply_size = setup_ver2_dfs_referral(pathnamep,
ppdata, junction,
self_referral);
break;
case 3:
reply_size = setup_ver3_dfs_referral(pathnamep, ppdata,
junction, self_referral);
break;
default:
DEBUG(0,("setup_dfs_referral: Invalid dfs referral "
"version: %d\n",
max_referral_level));
talloc_destroy(ctx);
*pstatus = NT_STATUS_INVALID_LEVEL;
status = SMB_VFS_GET_DFS_REFERRALS(orig_conn, r);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(r);
*pstatus = status;
return -1;
}
if (DEBUGLVL(10)) {
DEBUGADD(0,("DFS Referral pdata:\n"));
dump_data(0,(uint8 *)*ppdata,reply_size);
ndr_err = ndr_push_struct_blob(&blob, r,
r->out.resp,
(ndr_push_flags_fn_t)ndr_push_dfs_referral_resp);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
TALLOC_FREE(r);
*pstatus = NT_STATUS_INVALID_PARAMETER;
return -1;
}
talloc_destroy(ctx);
pdata = (char *)SMB_REALLOC(pdata, blob.length);
if(pdata == NULL) {
TALLOC_FREE(r);
DEBUG(0,("referral setup:"
"malloc failed for Realloc!\n"));
return -1;
}
*ppdata = pdata;
reply_size = blob.length;
memcpy(pdata, blob.data, blob.length);
TALLOC_FREE(r);
*pstatus = NT_STATUS_OK;
return reply_size;
}

2
source3/wscript_build
View File

@ -894,7 +894,7 @@ bld.SAMBA3_LIBRARY('smbd_base',
LIBCLI_SAMR libcli_lsa3 LIBRPCCLI_NETLOGON cli_spoolss
RPC_NDR_SRVSVC npa_tstream INIT_NETLOGON INIT_SAMR
cli_smb_common RPC_SERVER smbd_conn param_service
smbd_shim uid_wrapper
smbd_shim uid_wrapper NDR_DFSBLOBS
''',
private_library=True,
vars=locals())