#define DBGC_CLASS DBGC_MSDFS
#include "includes.h"
-
-extern uint32 global_client_caps;
+#include "system/filesys.h"
+#include "smbd/smbd.h"
+#include "smbd/globals.h"
+#include "msdfs.h"
+#include "auth.h"
/**********************************************************************
Parse a DFS pathname of the form \hostname\service\reqpath
struct dfs_path *pdp, /* MUST BE TALLOCED */
bool *ppath_contains_wcard)
{
+ struct smbd_server_connection *sconn = smbd_server_conn;
char *pathname_local;
char *p,*temp;
char *servicename;
sepchar = pdp->posix_path ? '/' : '\\';
- if (*pathname != sepchar) {
+ if (!sconn->using_smb2 && (*pathname != sepchar)) {
DEBUG(10,("parse_dfs_path: path %s doesn't start with %c\n",
pathname, sepchar ));
/*
/********************************************************
Fake up a connection struct for the VFS layer.
- Note this CHANGES CWD !!!! JRA.
+ Note: this performs a vfs connect and CHANGES CWD !!!! JRA.
*********************************************************/
-static NTSTATUS create_conn_struct(TALLOC_CTX *ctx,
+NTSTATUS create_conn_struct(TALLOC_CTX *ctx,
connection_struct **pconn,
int snum,
const char *path,
+ const struct auth_serversupplied_info *session_info,
char **poldcwd)
{
connection_struct *conn;
char *connpath;
char *oldcwd;
+ const char *vfs_user;
conn = TALLOC_ZERO_P(ctx, connection_struct);
if (conn == NULL) {
conn->params->service = snum;
+ conn->sconn = smbd_server_conn;
+ conn->sconn->num_tcons_open++;
+
+ if (session_info != NULL) {
+ conn->session_info = copy_serverinfo(conn, session_info);
+ if (conn->session_info == NULL) {
+ DEBUG(0, ("copy_serverinfo failed\n"));
+ TALLOC_FREE(conn);
+ return NT_STATUS_NO_MEMORY;
+ }
+ vfs_user = conn->session_info->unix_name;
+ } else {
+ /* use current authenticated user in absence of session_info */
+ vfs_user = get_current_username();
+ }
+
set_conn_connectpath(conn, connpath);
if (!smbd_vfs_init(conn)) {
NTSTATUS status = map_nt_error_from_unix(errno);
DEBUG(0,("create_conn_struct: smbd_vfs_init failed.\n"));
- conn_free_internal(conn);
+ conn_free(conn);
return status;
}
+ /* this must be the first filesystem operation that we do */
+ if (SMB_VFS_CONNECT(conn, lp_servicename(snum), vfs_user) < 0) {
+ DEBUG(0,("VFS connect failed!\n"));
+ conn_free(conn);
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ conn->fs_capabilities = SMB_VFS_FS_CAPABILITIES(conn, &conn->ts_res);
+
/*
* Windows seems to insist on doing trans2getdfsreferral() calls on
* the IPC$ share as the anonymous user. If we try to chdir as that
if (oldcwd == NULL) {
NTSTATUS status = map_nt_error_from_unix(errno);
DEBUG(3, ("vfs_GetWd failed: %s\n", strerror(errno)));
- conn_free_internal(conn);
+ conn_free(conn);
return status;
}
DEBUG(3,("create_conn_struct: Can't ChDir to new conn path %s. "
"Error was %s\n",
conn->connectpath, strerror(errno) ));
- conn_free_internal(conn);
+ conn_free(conn);
return status;
}
return False;
}
- alt_path = TALLOC_ARRAY(ctx, char *, MAX_REFERRAL_COUNT);
+ alt_path = talloc_array(ctx, char *, MAX_REFERRAL_COUNT);
if (!alt_path) {
return False;
}
char **pp_link_target,
SMB_STRUCT_STAT *sbufp)
{
- SMB_STRUCT_STAT st;
int referral_len = 0;
+#if defined(HAVE_BROKEN_READLINK)
+ char link_target_buf[PATH_MAX];
+#else
char link_target_buf[7];
+#endif
size_t bufsize = 0;
char *link_target = NULL;
+ struct smb_filename smb_fname;
if (pp_link_target) {
bufsize = 1024;
- link_target = TALLOC_ARRAY(ctx, char, bufsize);
+ link_target = talloc_array(ctx, char, bufsize);
if (!link_target) {
return False;
}
link_target = link_target_buf;
}
- if (sbufp == NULL) {
- sbufp = &st;
- }
+ ZERO_STRUCT(smb_fname);
+ smb_fname.base_name = discard_const_p(char, path);
- if (SMB_VFS_LSTAT(conn, path, sbufp) != 0) {
+ if (SMB_VFS_LSTAT(conn, &smb_fname) != 0) {
DEBUG(5,("is_msdfs_link_read_target: %s does not exist.\n",
path));
goto err;
}
-
- if (!S_ISLNK(sbufp->st_mode)) {
+ if (!S_ISLNK(smb_fname.st.st_ex_mode)) {
DEBUG(5,("is_msdfs_link_read_target: %s is not a link.\n",
path));
goto err;
}
+ if (sbufp != NULL) {
+ *sbufp = smb_fname.st;
+ }
referral_len = SMB_VFS_READLINK(conn, path, link_target, bufsize - 1);
if (referral_len == -1) {
{
char *p = NULL;
char *q = NULL;
- SMB_STRUCT_STAT sbuf;
NTSTATUS status;
- char *localpath = NULL;
+ struct smb_filename *smb_fname = NULL;
char *canon_dfspath = NULL; /* Canonicalized dfs path. (only '/'
components). */
* think this is needed. JRA.
*/
- status = unix_convert(ctx, conn, pdp->reqpath, search_flag, &localpath,
- NULL, &sbuf);
- if (!NT_STATUS_IS_OK(status) && !NT_STATUS_EQUAL(status,
- NT_STATUS_OBJECT_PATH_NOT_FOUND)) {
- return status;
+ status = unix_convert(ctx, conn, pdp->reqpath, &smb_fname,
+ search_flag ? UCF_ALWAYS_ALLOW_WCARD_LCOMP : 0);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ if (!NT_STATUS_EQUAL(status,
+ NT_STATUS_OBJECT_PATH_NOT_FOUND)) {
+ return status;
+ }
+
+ /* Create an smb_fname to use below. */
+ status = create_synthetic_smb_fname(ctx, pdp->reqpath, NULL,
+ NULL, &smb_fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
}
/* Optimization - check if we can redirect the whole path. */
- if (is_msdfs_link_internal(ctx, conn, localpath, pp_targetpath, NULL)) {
+ if (is_msdfs_link_internal(ctx, conn, smb_fname->base_name,
+ pp_targetpath, NULL)) {
if (search_flag) {
DEBUG(6,("dfs_path_lookup (FindFirst) No redirection "
"for dfs link %s.\n", dfspath));
- return NT_STATUS_OK;
+ status = NT_STATUS_OK;
+ goto out;
}
DEBUG(6,("dfs_path_lookup: %s resolves to a "
if (consumedcntp) {
*consumedcntp = strlen(dfspath);
}
- return NT_STATUS_PATH_NOT_COVERED;
+ status = NT_STATUS_PATH_NOT_COVERED;
+ goto out;
}
/* Prepare to test only for '/' components in the given path,
canon_dfspath = talloc_strdup(ctx, dfspath);
if (!canon_dfspath) {
- return NT_STATUS_NO_MEMORY;
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
}
if (!pdp->posix_path) {
string_replace(canon_dfspath, '\\', '/');
* DFS path. If we hit a DFS link then we're done.
*/
- p = strrchr_m(localpath, '/');
+ p = strrchr_m(smb_fname->base_name, '/');
if (consumedcntp) {
q = strrchr_m(canon_dfspath, '/');
}
}
if (is_msdfs_link_internal(ctx, conn,
- localpath, pp_targetpath, NULL)) {
+ smb_fname->base_name, pp_targetpath,
+ NULL)) {
DEBUG(4, ("dfs_path_lookup: Redirecting %s because "
- "parent %s is dfs link\n", dfspath, localpath));
+ "parent %s is dfs link\n", dfspath,
+ smb_fname_str_dbg(smb_fname)));
if (consumedcntp) {
*consumedcntp = strlen(canon_dfspath);
*consumedcntp));
}
- return NT_STATUS_PATH_NOT_COVERED;
+ status = NT_STATUS_PATH_NOT_COVERED;
+ goto out;
}
/* Step back on the filesystem. */
- p = strrchr_m(localpath, '/');
+ p = strrchr_m(smb_fname->base_name, '/');
if (consumedcntp) {
/* And in the canonicalized dfs path. */
}
}
- return NT_STATUS_OK;
+ status = NT_STATUS_OK;
+ out:
+ TALLOC_FREE(smb_fname);
+ return status;
}
/*****************************************************************
if (!( strequal(pdp->servicename, lp_servicename(SNUM(conn)))
|| (strequal(pdp->servicename, HOMES_NAME)
&& strequal(lp_servicename(SNUM(conn)),
- conn->server_info->sanitized_username) )) ) {
+ conn->session_info->sanitized_username) )) ) {
/* The given sharename doesn't match this connection. */
TALLOC_FREE(pdp);
/* Verify the share is a dfs root */
snum = lp_servicenumber(jucn->service_name);
if(snum < 0) {
- fstring service_name;
- fstrcpy(service_name, jucn->service_name);
- if ((snum = find_service(service_name)) < 0) {
+ char *service_name = NULL;
+ if ((snum = find_service(ctx, jucn->service_name, &service_name)) < 0) {
return NT_STATUS_NOT_FOUND;
}
+ if (!service_name) {
+ return NT_STATUS_NO_MEMORY;
+ }
TALLOC_FREE(jucn->service_name);
jucn->service_name = talloc_strdup(ctx, service_name);
if (!jucn->service_name) {
}
status = create_conn_struct(ctx, &conn, snum, lp_pathname(snum),
- &oldpath);
+ NULL, &oldpath);
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(pdp);
return status;
if (!NT_STATUS_EQUAL(status, NT_STATUS_PATH_NOT_COVERED)) {
DEBUG(3,("get_referred_path: No valid referrals for path %s\n",
dfs_path));
- vfs_ChDir(conn, oldpath);
- conn_free_internal(conn);
- TALLOC_FREE(pdp);
- return status;
+ goto err_exit;
}
/* We know this is a valid dfs link. Parse the targetpath. */
&jucn->referral_count)) {
DEBUG(3,("get_referred_path: failed to parse symlink "
"target %s\n", targetpath ));
- vfs_ChDir(conn, oldpath);
- conn_free_internal(conn);
- TALLOC_FREE(pdp);
- return NT_STATUS_NOT_FOUND;
+ status = NT_STATUS_NOT_FOUND;
+ goto err_exit;
}
+ status = NT_STATUS_OK;
+ err_exit:
vfs_ChDir(conn, oldpath);
- conn_free_internal(conn);
+ SMB_VFS_DISCONNECT(conn);
+ conn_free(conn);
TALLOC_FREE(pdp);
- return NT_STATUS_OK;
+ return status;
}
static int setup_ver2_dfs_referral(const char *pathname,
char **ppdata,
struct junction_map *junction,
- int consumedcnt,
bool self_referral)
{
char* pdata = *ppdata;
memcpy(pdata+uni_reqpathoffset2,uni_requestedpath,requestedpathlen);
/* create the header */
- SSVAL(pdata,0,consumedcnt * 2); /* path consumed */
+ SSVAL(pdata,0,requestedpathlen - 2); /* UCS2 of path consumed minus
+ 2 byte null */
/* number of referral in this pkt */
SSVAL(pdata,2,junction->referral_count);
if(self_referral) {
static int setup_ver3_dfs_referral(const char *pathname,
char **ppdata,
struct junction_map *junction,
- int consumedcnt,
bool self_referral)
{
char *pdata = *ppdata;
*ppdata = pdata;
/* create the header */
- SSVAL(pdata,0,consumedcnt * 2); /* path consumed */
+ SSVAL(pdata,0,reqpathlen - 2); /* UCS2 of path consumed minus
+ 2 byte null */
SSVAL(pdata,2,junction->referral_count); /* number of referral */
if(self_referral) {
SIVAL(pdata,4,DFSREF_REFERRAL_SERVER | DFSREF_STORAGE_SERVER);
case 2:
reply_size = setup_ver2_dfs_referral(pathnamep,
ppdata, junction,
- consumedcnt, self_referral);
+ self_referral);
break;
case 3:
reply_size = setup_ver3_dfs_referral(pathnamep, ppdata,
- junction, consumedcnt, self_referral);
+ junction, self_referral);
break;
default:
DEBUG(0,("setup_dfs_referral: Invalid dfs referral "
return False;
}
status = create_conn_struct(talloc_tos(), conn_out, snum,
- lp_pathname(snum), oldpath);
+ lp_pathname(snum), NULL, oldpath);
if (!NT_STATUS_IS_OK(status)) {
return False;
}
jucn->volume_name);
if (!*pp_path_out) {
vfs_ChDir(*conn_out, *oldpath);
- conn_free_internal(*conn_out);
+ SMB_VFS_DISCONNECT(*conn_out);
+ conn_free(*conn_out);
return False;
}
return True;
if(SMB_VFS_SYMLINK(conn, msdfs_link, path) < 0) {
if (errno == EEXIST) {
- if(SMB_VFS_UNLINK(conn,path)!=0) {
+ struct smb_filename *smb_fname = NULL;
+ NTSTATUS status;
+
+ status = create_synthetic_smb_fname(talloc_tos(), path,
+ NULL, NULL,
+ &smb_fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ errno = map_errno_from_nt_status(status);
goto out;
}
+
+ if(SMB_VFS_UNLINK(conn, smb_fname)!=0) {
+ TALLOC_FREE(smb_fname);
+ goto out;
+ }
+ TALLOC_FREE(smb_fname);
}
if (SMB_VFS_SYMLINK(conn, msdfs_link, path) < 0) {
DEBUG(1,("create_msdfs_link: symlink failed "
out:
vfs_ChDir(conn, cwd);
- conn_free_internal(conn);
+ SMB_VFS_DISCONNECT(conn);
+ conn_free(conn);
return ret;
}
char *cwd;
connection_struct *conn;
bool ret = False;
+ struct smb_filename *smb_fname = NULL;
+ NTSTATUS status;
if (!junction_to_local_path(jucn, &path, &conn, &cwd)) {
return false;
}
- if( SMB_VFS_UNLINK(conn, path) == 0 ) {
+ status = create_synthetic_smb_fname(talloc_tos(), path,
+ NULL, NULL,
+ &smb_fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ errno = map_errno_from_nt_status(status);
+ return false;
+ }
+
+ if( SMB_VFS_UNLINK(conn, smb_fname) == 0 ) {
ret = True;
}
+ TALLOC_FREE(smb_fname);
vfs_ChDir(conn, cwd);
- conn_free_internal(conn);
+ SMB_VFS_DISCONNECT(conn);
+ conn_free(conn);
return ret;
}
{
size_t cnt = 0;
SMB_STRUCT_DIR *dirp = NULL;
- char *dname = NULL;
+ const char *dname = NULL;
+ char *talloced = NULL;
const char *connect_path = lp_pathname(snum);
const char *msdfs_proxy = lp_msdfs_proxy(snum);
connection_struct *conn;
*/
status = create_conn_struct(talloc_tos(), &conn, snum, connect_path,
- &cwd);
+ NULL, &cwd);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(3, ("create_conn_struct failed: %s\n",
nt_errstr(status)));
goto out;
}
- while ((dname = vfs_readdirname(conn, dirp)) != NULL) {
+ while ((dname = vfs_readdirname(conn, dirp, NULL, &talloced))
+ != NULL) {
if (is_msdfs_link(conn,
dname,
NULL)) {
cnt++;
}
+ TALLOC_FREE(talloced);
}
SMB_VFS_CLOSEDIR(conn,dirp);
out:
vfs_ChDir(conn, cwd);
- conn_free_internal(conn);
+ SMB_VFS_DISCONNECT(conn);
+ conn_free(conn);
return cnt;
}
{
size_t cnt = 0;
SMB_STRUCT_DIR *dirp = NULL;
- char *dname = NULL;
+ const char *dname = NULL;
+ char *talloced = NULL;
const char *connect_path = lp_pathname(snum);
char *service_name = lp_servicename(snum);
const char *msdfs_proxy = lp_msdfs_proxy(snum);
* Fake up a connection struct for the VFS layer.
*/
- status = create_conn_struct(ctx, &conn, snum, connect_path, &cwd);
+ status = create_conn_struct(ctx, &conn, snum, connect_path, NULL,
+ &cwd);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(3, ("create_conn_struct failed: %s\n",
nt_errstr(status)));
goto out;
}
- while ((dname = vfs_readdirname(conn, dirp)) != NULL) {
+ while ((dname = vfs_readdirname(conn, dirp, NULL, &talloced))
+ != NULL) {
char *link_target = NULL;
if (cnt >= jn_remain) {
DEBUG(2, ("form_junctions: ran out of MSDFS "
"junction slots"));
+ TALLOC_FREE(talloced);
goto out;
}
if (is_msdfs_link_internal(ctx,
dname);
if (!jucn[cnt].service_name ||
!jucn[cnt].volume_name) {
+ TALLOC_FREE(talloced);
goto out;
}
jucn[cnt].comment = "";
}
TALLOC_FREE(link_target);
}
+ TALLOC_FREE(talloced);
}
out:
}
vfs_ChDir(conn, cwd);
- conn_free_internal(conn);
+ conn_free(conn);
return cnt;
}
-struct junction_map *enum_msdfs_links(TALLOC_CTX *ctx, size_t *p_num_jn)
+struct junction_map *enum_msdfs_links(struct smbd_server_connection *sconn,
+ TALLOC_CTX *ctx, size_t *p_num_jn)
{
struct junction_map *jn = NULL;
int i=0;
/* Ensure all the usershares are loaded. */
become_root();
load_registry_shares();
- sharecount = load_usershare_shares();
+ sharecount = load_usershare_shares(sconn);
unbecome_root();
for(i=0;i < sharecount;i++) {
if (jn_count == 0) {
return NULL;
}
- jn = TALLOC_ARRAY(ctx, struct junction_map, jn_count);
+ jn = talloc_array(ctx, struct junction_map, jn_count);
if (!jn) {
return NULL;
}
}
/******************************************************************************
- Core function to resolve a dfs pathname.
-******************************************************************************/
-
-NTSTATUS resolve_dfspath(TALLOC_CTX *ctx,
- connection_struct *conn,
- bool dfs_pathnames,
- const char *name_in,
- char **pp_name_out)
-{
- NTSTATUS status = NT_STATUS_OK;
- bool dummy;
- if (dfs_pathnames) {
- status = dfs_redirect(ctx,
- conn,
- name_in,
- False,
- pp_name_out,
- &dummy);
- } else {
- /*
- * Cheat and just return a copy of the in ptr.
- * Once srvstr_get_path() uses talloc it'll
- * be a talloced ptr anyway.
- */
- *pp_name_out = CONST_DISCARD(char *,name_in);
- }
- return status;
-}
-
-/******************************************************************************
- Core function to resolve a dfs pathname possibly containing a wildcard.
- This function is identical to the above except for the bool param to
- dfs_redirect but I need this to be separate so it's really clear when
- we're allowing wildcards and when we're not. JRA.
+ Core function to resolve a dfs pathname possibly containing a wildcard. If
+ ppath_contains_wcard != NULL, it will be set to true if a wildcard is
+ detected during dfs resolution.
******************************************************************************/
NTSTATUS resolve_dfspath_wcard(TALLOC_CTX *ctx,
connection_struct *conn,
bool dfs_pathnames,
const char *name_in,
+ bool allow_wcards,
char **pp_name_out,
bool *ppath_contains_wcard)
{
+ bool path_contains_wcard;
NTSTATUS status = NT_STATUS_OK;
+
if (dfs_pathnames) {
status = dfs_redirect(ctx,
conn,
name_in,
- True,
+ allow_wcards,
pp_name_out,
- ppath_contains_wcard);
+ &path_contains_wcard);
+
+ if (NT_STATUS_IS_OK(status) && ppath_contains_wcard != NULL) {
+ *ppath_contains_wcard = path_contains_wcard;
+ }
} else {
/*
* Cheat and just return a copy of the in ptr.
* Once srvstr_get_path() uses talloc it'll
* be a talloced ptr anyway.
*/
- *pp_name_out = CONST_DISCARD(char *,name_in);
+ *pp_name_out = discard_const_p(char, name_in);
}
return status;
}
git.samba.org / samba.git / blobdiff