MSDFS services for Samba
Copyright (C) Shirish Kalele 2000
Copyright (C) Jeremy Allison 2007
+ Copyright (C) Robin McCorkell 2015
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
#include "smbd/globals.h"
#include "msdfs.h"
#include "auth.h"
+#include "../auth/auth_util.h"
#include "lib/param/loadparm.h"
#include "libcli/security/security.h"
#include "librpc/gen_ndr/ndr_dfsblobs.h"
+#include "lib/tsocket/tsocket.h"
+#include "lib/pthreadpool/pthreadpool_tevent.h"
/**********************************************************************
Parse a DFS pathname of the form \hostname\service\reqpath
eos_ptr = &pathname_local[strlen(pathname_local)];
p = temp = pathname_local;
- pdp->posix_path = (lp_posix_pathnames() && *pathname == '/');
+ /*
+ * Non-broken DFS paths *must* start with the
+ * path separator. For Windows this is always '\\',
+ * for posix paths this is always '/'.
+ */
- sepchar = pdp->posix_path ? '/' : '\\';
+ if (*pathname == '/') {
+ pdp->posix_path = true;
+ sepchar = '/';
+ } else {
+ pdp->posix_path = false;
+ sepchar = '\\';
+ }
if (allow_broken_path && (*pathname != sepchar)) {
DEBUG(10,("parse_dfs_path: path %s doesn't start with %c\n",
/*
* Possibly client sent a local path by mistake.
* Try and convert to a local path.
+ * Note that this is an SMB1-only fallback
+ * to cope with known broken SMB1 clients.
*/
pdp->hostname = eos_ptr; /* "" */
Fake up a connection struct for the VFS layer, for use in
applications (such as the python bindings), that do not want the
global working directory changed under them.
+
+ SMB_VFS_CONNECT requires root privileges.
*********************************************************/
-NTSTATUS create_conn_struct(TALLOC_CTX *ctx,
- struct tevent_context *ev,
+static NTSTATUS create_conn_struct_as_root(TALLOC_CTX *ctx,
struct messaging_context *msg,
connection_struct **pconn,
int snum,
const char *vfs_user;
struct smbd_server_connection *sconn;
const char *servicename = lp_const_servicename(snum);
+ int ret;
sconn = talloc_zero(ctx, struct smbd_server_connection);
if (sconn == NULL) {
return NT_STATUS_NO_MEMORY;
}
- sconn->ev_ctx = ev;
+ sconn->raw_ev_ctx = samba_tevent_context_init(sconn);
+ if (sconn->raw_ev_ctx == NULL) {
+ TALLOC_FREE(sconn);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ sconn->root_ev_ctx = smbd_impersonate_root_create(sconn->raw_ev_ctx);
+ if (sconn->root_ev_ctx == NULL) {
+ TALLOC_FREE(sconn);
+ return NT_STATUS_NO_MEMORY;
+ }
+ sconn->guest_ev_ctx = smbd_impersonate_guest_create(sconn->raw_ev_ctx);
+ if (sconn->guest_ev_ctx == NULL) {
+ TALLOC_FREE(sconn);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /*
+ * We only provide sync threadpools.
+ */
+ ret = pthreadpool_tevent_init(sconn, 0, &sconn->sync_thread_pool);
+ if (ret != 0) {
+ TALLOC_FREE(sconn);
+ return NT_STATUS_NO_MEMORY;
+ }
+ sconn->raw_thread_pool = sconn->sync_thread_pool;
+
sconn->msg_ctx = msg;
- sconn->sock = -1;
- sconn->smb1.echo_handler.trusted_fd = -1;
- sconn->smb1.echo_handler.socket_lock_fd = -1;
conn = conn_new(sconn);
if (conn == NULL) {
TALLOC_FREE(conn);
return NT_STATUS_NO_MEMORY;
}
- vfs_user = conn->session_info->unix_info->unix_name;
+ /* unix_info could be NULL in session_info */
+ if (conn->session_info->unix_info != NULL) {
+ vfs_user = conn->session_info->unix_info->unix_name;
+ } else {
+ vfs_user = get_current_username();
+ }
} else {
/* use current authenticated user in absence of session_info */
vfs_user = get_current_username();
}
+ /*
+ * The impersonation has to be done by the caller
+ * of create_conn_struct_tos[_cwd]().
+ *
+ * Note: the context can't be changed anyway
+ * as we're using our own tevent_context
+ * and not a global one were other requests
+ * could change the current unix token.
+ *
+ * We just use a wrapper tevent_context in order
+ * to avoid crashes because TALLOC_FREE(conn->user_ev_ctx)
+ * would also remove sconn->raw_ev_ctx.
+ */
+ conn->user_ev_ctx = smbd_impersonate_debug_create(sconn->raw_ev_ctx,
+ "FAKE impersonation",
+ DBGLVL_DEBUG);
+ if (conn->user_ev_ctx == NULL) {
+ TALLOC_FREE(conn);
+ return NT_STATUS_NO_MEMORY;
+ }
+
set_conn_connectpath(conn, connpath);
/*
- * New code to check if there's a share security descripter
+ * New code to check if there's a share security descriptor
* added from NT server manager. This is done after the
* smb.conf checks are done as we need a uid and token. JRA.
*
if ((conn->share_access & FILE_WRITE_DATA) == 0) {
if ((conn->share_access & FILE_READ_DATA) == 0) {
/* No access, read or write. */
- DEBUG(0,("create_conn_struct: connection to %s "
+ DEBUG(3,("create_conn_struct: connection to %s "
"denied due to security "
"descriptor.\n",
servicename));
return NT_STATUS_UNSUCCESSFUL;
}
+ talloc_free(conn->origpath);
+ conn->origpath = talloc_strdup(conn, conn->connectpath);
+ if (conn->origpath == NULL) {
+ conn_free(conn);
+ return NT_STATUS_NO_MEMORY;
+ }
+
conn->fs_capabilities = SMB_VFS_FS_CAPABILITIES(conn, &conn->ts_res);
- *pconn = conn;
+ conn->tcon_done = true;
+ *pconn = talloc_move(ctx, &conn);
return NT_STATUS_OK;
}
+static int conn_struct_tos_destructor(struct conn_struct_tos *c)
+{
+ if (c->oldcwd_fname != NULL) {
+ vfs_ChDir(c->conn, c->oldcwd_fname);
+ TALLOC_FREE(c->oldcwd_fname);
+ }
+ SMB_VFS_DISCONNECT(c->conn);
+ conn_free(c->conn);
+ return 0;
+}
+
/********************************************************
- Fake up a connection struct for the VFS layer.
- Note: this performs a vfs connect and CHANGES CWD !!!! JRA.
+ Fake up a connection struct for the VFS layer, for use in
+ applications (such as the python bindings), that do not want the
+ global working directory changed under them.
- The old working directory is returned on *poldcwd, allocated on ctx.
-*********************************************************/
+ SMB_VFS_CONNECT requires root privileges.
+ This temporary uses become_root() and unbecome_root().
-NTSTATUS create_conn_struct_cwd(TALLOC_CTX *ctx,
- struct tevent_context *ev,
- struct messaging_context *msg,
- connection_struct **pconn,
+ But further impersonation has to be cone by the caller.
+*********************************************************/
+NTSTATUS create_conn_struct_tos(struct messaging_context *msg,
int snum,
const char *path,
const struct auth_session_info *session_info,
- char **poldcwd)
+ struct conn_struct_tos **_c)
{
- connection_struct *conn;
- char *oldcwd;
+ struct conn_struct_tos *c = NULL;
+ NTSTATUS status;
+
+ *_c = NULL;
+
+ c = talloc_zero(talloc_tos(), struct conn_struct_tos);
+ if (c == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ become_root();
+ status = create_conn_struct_as_root(c,
+ msg,
+ &c->conn,
+ snum,
+ path,
+ session_info);
+ unbecome_root();
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(c);
+ return status;
+ }
+
+ talloc_set_destructor(c, conn_struct_tos_destructor);
+
+ *_c = c;
+ return NT_STATUS_OK;
+}
- NTSTATUS status = create_conn_struct(ctx, ev,
- msg, &conn,
- snum, path,
- session_info);
+/********************************************************
+ Fake up a connection struct for the VFS layer.
+ Note: this performs a vfs connect and CHANGES CWD !!!! JRA.
+
+ See also the comment for create_conn_struct_tos() above!
+
+ The CWD change is reverted by the destructor of
+ conn_struct_tos when the current talloc_tos() is destroyed.
+*********************************************************/
+NTSTATUS create_conn_struct_tos_cwd(struct messaging_context *msg,
+ int snum,
+ const char *path,
+ const struct auth_session_info *session_info,
+ struct conn_struct_tos **_c)
+{
+ struct conn_struct_tos *c = NULL;
+ struct smb_filename smb_fname_connectpath = {0};
+ NTSTATUS status;
+
+ *_c = NULL;
+
+ status = create_conn_struct_tos(msg,
+ snum,
+ path,
+ session_info,
+ &c);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
* user we will fail.... WTF ? JRA.
*/
- oldcwd = vfs_GetWd(ctx, conn);
- if (oldcwd == NULL) {
+ c->oldcwd_fname = vfs_GetWd(c, c->conn);
+ if (c->oldcwd_fname == NULL) {
status = map_nt_error_from_unix(errno);
DEBUG(3, ("vfs_GetWd failed: %s\n", strerror(errno)));
- conn_free(conn);
+ TALLOC_FREE(c);
return status;
}
- if (vfs_ChDir(conn,conn->connectpath) != 0) {
+ smb_fname_connectpath = (struct smb_filename) {
+ .base_name = c->conn->connectpath
+ };
+
+ if (vfs_ChDir(c->conn, &smb_fname_connectpath) != 0) {
status = map_nt_error_from_unix(errno);
- DEBUG(3,("create_conn_struct: Can't ChDir to new conn path %s. "
- "Error was %s\n",
- conn->connectpath, strerror(errno) ));
- conn_free(conn);
+ DBG_NOTICE("Can't ChDir to new conn path %s. "
+ "Error was %s\n",
+ c->conn->connectpath, strerror(errno));
+ TALLOC_FREE(c->oldcwd_fname);
+ TALLOC_FREE(c);
return status;
}
- *pconn = conn;
- *poldcwd = oldcwd;
-
+ *_c = c;
return NT_STATUS_OK;
}
+static void shuffle_strlist(char **list, int count)
+{
+ int i;
+ uint32_t r;
+ char *tmp;
+
+ for (i = count; i > 1; i--) {
+ r = generate_random() % i;
+
+ tmp = list[i-1];
+ list[i-1] = list[r];
+ list[r] = tmp;
+ }
+}
+
/**********************************************************************
Parse the contents of a symlink to verify if it is an msdfs referral
A valid referral is of the form:
**********************************************************************/
static bool parse_msdfs_symlink(TALLOC_CTX *ctx,
+ int snum,
const char *target,
struct referral **preflist,
int *refcount)
count++;
}
+ /* shuffle alternate paths */
+ if (lp_msdfs_shuffle_referrals(snum)) {
+ shuffle_strlist(alt_path, count);
+ }
+
DEBUG(10,("parse_msdfs_symlink: count=%d\n", count));
if (count) {
static bool is_msdfs_link_internal(TALLOC_CTX *ctx,
connection_struct *conn,
- const char *path,
- char **pp_link_target,
- SMB_STRUCT_STAT *sbufp)
+ struct smb_filename *smb_fname,
+ char **pp_link_target)
{
int referral_len = 0;
#if defined(HAVE_BROKEN_READLINK)
#endif
size_t bufsize = 0;
char *link_target = NULL;
- struct smb_filename smb_fname;
if (pp_link_target) {
bufsize = 1024;
link_target = link_target_buf;
}
- ZERO_STRUCT(smb_fname);
- smb_fname.base_name = discard_const_p(char, path);
-
- if (SMB_VFS_LSTAT(conn, &smb_fname) != 0) {
+ if (SMB_VFS_LSTAT(conn, smb_fname) != 0) {
DEBUG(5,("is_msdfs_link_read_target: %s does not exist.\n",
- path));
+ smb_fname->base_name));
goto err;
}
- if (!S_ISLNK(smb_fname.st.st_ex_mode)) {
+ if (!S_ISLNK(smb_fname->st.st_ex_mode)) {
DEBUG(5,("is_msdfs_link_read_target: %s is not a link.\n",
- path));
+ smb_fname->base_name));
goto err;
}
- if (sbufp != NULL) {
- *sbufp = smb_fname.st;
- }
- referral_len = SMB_VFS_READLINK(conn, path, link_target, bufsize - 1);
+ referral_len = SMB_VFS_READLINK(conn, smb_fname,
+ link_target, bufsize - 1);
if (referral_len == -1) {
DEBUG(0,("is_msdfs_link_read_target: Error reading "
"msdfs link %s: %s\n",
- path, strerror(errno)));
+ smb_fname->base_name, strerror(errno)));
goto err;
}
link_target[referral_len] = '\0';
- DEBUG(5,("is_msdfs_link_internal: %s -> %s\n",path,
+ DEBUG(5,("is_msdfs_link_internal: %s -> %s\n", smb_fname->base_name,
link_target));
if (!strnequal(link_target, "msdfs:", 6)) {
**********************************************************************/
bool is_msdfs_link(connection_struct *conn,
- const char *path,
- SMB_STRUCT_STAT *sbufp)
+ struct smb_filename *smb_fname)
{
return is_msdfs_link_internal(talloc_tos(),
conn,
- path,
- NULL,
- sbufp);
+ smb_fname,
+ NULL);
}
/*****************************************************************
const char *dfspath, /* Incoming complete dfs path */
const struct dfs_path *pdp, /* Parsed out
server+share+extrapath. */
- bool search_flag, /* Called from a findfirst ? */
+ uint32_t ucf_flags,
int *consumedcntp,
char **pp_targetpath)
{
*/
status = unix_convert(ctx, conn, pdp->reqpath, &smb_fname,
- search_flag ? UCF_ALWAYS_ALLOW_WCARD_LCOMP : 0);
+ ucf_flags);
if (!NT_STATUS_IS_OK(status)) {
if (!NT_STATUS_EQUAL(status,
/* Optimization - check if we can redirect the whole path. */
- if (is_msdfs_link_internal(ctx, conn, smb_fname->base_name,
- pp_targetpath, NULL)) {
- if (search_flag) {
+ if (is_msdfs_link_internal(ctx, conn, smb_fname, pp_targetpath)) {
+ /* XX_ALLOW_WCARD_XXX is called from search functions. */
+ if (ucf_flags &
+ (UCF_COND_ALLOW_WCARD_LCOMP|
+ UCF_ALWAYS_ALLOW_WCARD_LCOMP)) {
DEBUG(6,("dfs_path_lookup (FindFirst) No redirection "
"for dfs link %s.\n", dfspath));
status = NT_STATUS_OK;
}
if (is_msdfs_link_internal(ctx, conn,
- smb_fname->base_name, pp_targetpath,
- NULL)) {
+ smb_fname, pp_targetpath)) {
DEBUG(4, ("dfs_path_lookup: Redirecting %s because "
"parent %s is dfs link\n", dfspath,
smb_fname_str_dbg(smb_fname)));
static NTSTATUS dfs_redirect(TALLOC_CTX *ctx,
connection_struct *conn,
const char *path_in,
- bool search_wcard_flag,
+ uint32_t ucf_flags,
bool allow_broken_path,
char **pp_path_out,
bool *ppath_contains_wcard)
{
NTSTATUS status;
+ bool search_wcard_flag = (ucf_flags &
+ (UCF_COND_ALLOW_WCARD_LCOMP|UCF_ALWAYS_ALLOW_WCARD_LCOMP));
struct dfs_path *pdp = talloc(ctx, struct dfs_path);
if (!pdp) {
}
status = dfs_path_lookup(ctx, conn, path_in, pdp,
- search_wcard_flag, NULL, NULL);
+ ucf_flags, NULL, NULL);
if (!NT_STATUS_IS_OK(status)) {
if (NT_STATUS_EQUAL(status, NT_STATUS_PATH_NOT_COVERED)) {
DEBUG(3,("dfs_redirect: Redirecting %s\n", path_in));
**********************************************************************/
NTSTATUS get_referred_path(TALLOC_CTX *ctx,
- const char *dfs_path,
- bool allow_broken_path,
- struct junction_map *jucn,
- int *consumedcntp,
- bool *self_referralp)
+ const char *dfs_path,
+ const struct tsocket_address *remote_address,
+ const struct tsocket_address *local_address,
+ bool allow_broken_path,
+ struct junction_map *jucn,
+ int *consumedcntp,
+ bool *self_referralp)
{
- struct connection_struct *conn;
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct conn_struct_tos *c = NULL;
+ struct connection_struct *conn = NULL;
char *targetpath = NULL;
int snum;
NTSTATUS status = NT_STATUS_NOT_FOUND;
bool dummy;
- struct dfs_path *pdp = talloc(ctx, struct dfs_path);
- char *oldpath;
+ struct dfs_path *pdp = talloc_zero(frame, struct dfs_path);
if (!pdp) {
+ TALLOC_FREE(frame);
return NT_STATUS_NO_MEMORY;
}
status = parse_dfs_path(NULL, dfs_path, False, allow_broken_path,
pdp, &dummy);
if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
return status;
}
jucn->service_name = talloc_strdup(ctx, pdp->servicename);
jucn->volume_name = talloc_strdup(ctx, pdp->reqpath);
if (!jucn->service_name || !jucn->volume_name) {
- TALLOC_FREE(pdp);
+ TALLOC_FREE(frame);
return NT_STATUS_NO_MEMORY;
}
if(snum < 0) {
char *service_name = NULL;
if ((snum = find_service(ctx, jucn->service_name, &service_name)) < 0) {
+ TALLOC_FREE(frame);
return NT_STATUS_NOT_FOUND;
}
if (!service_name) {
+ TALLOC_FREE(frame);
return NT_STATUS_NO_MEMORY;
}
TALLOC_FREE(jucn->service_name);
jucn->service_name = talloc_strdup(ctx, service_name);
if (!jucn->service_name) {
- TALLOC_FREE(pdp);
+ TALLOC_FREE(frame);
return NT_STATUS_NO_MEMORY;
}
}
DEBUG(3,("get_referred_path: |%s| in dfs path %s is not "
"a dfs root.\n",
pdp->servicename, dfs_path));
- TALLOC_FREE(pdp);
+ TALLOC_FREE(frame);
return NT_STATUS_NOT_FOUND;
}
if (pdp->reqpath[0] == '\0') {
char *tmp;
struct referral *ref;
+ int refcount;
if (*lp_msdfs_proxy(talloc_tos(), snum) == '\0') {
- TALLOC_FREE(pdp);
+ TALLOC_FREE(frame);
return self_ref(ctx,
dfs_path,
jucn,
* the configured target share.
*/
- jucn->referral_count = 1;
- if ((ref = talloc_zero(ctx, struct referral)) == NULL) {
- TALLOC_FREE(pdp);
- return NT_STATUS_NO_MEMORY;
- }
-
- if (!(tmp = talloc_strdup(ctx, lp_msdfs_proxy(talloc_tos(), snum)))) {
- TALLOC_FREE(pdp);
- return NT_STATUS_NO_MEMORY;
- }
-
- trim_string(tmp, "\\", 0);
-
- ref->alternate_path = talloc_asprintf(ctx, "\\%s", tmp);
- TALLOC_FREE(tmp);
-
- if (!ref->alternate_path) {
- TALLOC_FREE(pdp);
+ tmp = talloc_asprintf(frame, "msdfs:%s",
+ lp_msdfs_proxy(frame, snum));
+ if (tmp == NULL) {
+ TALLOC_FREE(frame);
return NT_STATUS_NO_MEMORY;
}
- if (pdp->reqpath[0] != '\0') {
- ref->alternate_path = talloc_asprintf_append(
- ref->alternate_path,
- "%s",
- pdp->reqpath);
- if (!ref->alternate_path) {
- TALLOC_FREE(pdp);
- return NT_STATUS_NO_MEMORY;
- }
+ if (!parse_msdfs_symlink(ctx, snum, tmp, &ref, &refcount)) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_INVALID_PARAMETER;
}
- ref->proximity = 0;
- ref->ttl = REFERRAL_TTL;
+ jucn->referral_count = refcount;
jucn->referral_list = ref;
*consumedcntp = strlen(dfs_path);
- TALLOC_FREE(pdp);
+ TALLOC_FREE(frame);
return NT_STATUS_OK;
}
- status = create_conn_struct_cwd(ctx,
- server_event_context(),
- server_messaging_context(),
- &conn, snum,
- lp_pathname(talloc_tos(), snum), NULL, &oldpath);
+ status = create_conn_struct_tos_cwd(global_messaging_context(),
+ snum,
+ lp_path(frame, snum),
+ NULL,
+ &c);
if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(pdp);
+ TALLOC_FREE(frame);
return status;
}
+ conn = c->conn;
+
+ /*
+ * TODO
+ *
+ * The remote and local address should be passed down to
+ * create_conn_struct_cwd.
+ */
+ if (conn->sconn->remote_address == NULL) {
+ conn->sconn->remote_address =
+ tsocket_address_copy(remote_address, conn->sconn);
+ if (conn->sconn->remote_address == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+ if (conn->sconn->local_address == NULL) {
+ conn->sconn->local_address =
+ tsocket_address_copy(local_address, conn->sconn);
+ if (conn->sconn->local_address == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
/* If this is a DFS path dfs_lookup should return
* NT_STATUS_PATH_NOT_COVERED. */
status = dfs_path_lookup(ctx, conn, dfs_path, pdp,
- False, consumedcntp, &targetpath);
+ 0, consumedcntp, &targetpath);
if (!NT_STATUS_EQUAL(status, NT_STATUS_PATH_NOT_COVERED)) {
DEBUG(3,("get_referred_path: No valid referrals for path %s\n",
}
/* We know this is a valid dfs link. Parse the targetpath. */
- if (!parse_msdfs_symlink(ctx, targetpath,
+ if (!parse_msdfs_symlink(ctx, snum, targetpath,
&jucn->referral_list,
&jucn->referral_count)) {
DEBUG(3,("get_referred_path: failed to parse symlink "
status = NT_STATUS_OK;
err_exit:
- vfs_ChDir(conn, oldpath);
- SMB_VFS_DISCONNECT(conn);
- conn_free(conn);
- TALLOC_FREE(pdp);
+ TALLOC_FREE(frame);
return status;
}
Forms a valid Unix pathname from the junction
**********************************************************************/
-static bool junction_to_local_path(const struct junction_map *jucn,
- char **pp_path_out,
- connection_struct **conn_out,
- char **oldpath)
+static bool junction_to_local_path_tos(const struct junction_map *jucn,
+ char **pp_path_out,
+ connection_struct **conn_out)
{
+ struct conn_struct_tos *c = NULL;
int snum;
+ char *path_out = NULL;
NTSTATUS status;
snum = lp_servicenumber(jucn->service_name);
if(snum < 0) {
return False;
}
- status = create_conn_struct_cwd(talloc_tos(),
- server_event_context(),
- server_messaging_context(),
- conn_out,
- snum, lp_pathname(talloc_tos(), snum), NULL, oldpath);
+ status = create_conn_struct_tos_cwd(global_messaging_context(),
+ snum,
+ lp_path(talloc_tos(), snum),
+ NULL,
+ &c);
if (!NT_STATUS_IS_OK(status)) {
return False;
}
- *pp_path_out = talloc_asprintf(*conn_out,
+ path_out = talloc_asprintf(c,
"%s/%s",
- lp_pathname(talloc_tos(), snum),
+ lp_path(talloc_tos(), snum),
jucn->volume_name);
- if (!*pp_path_out) {
- vfs_ChDir(*conn_out, *oldpath);
- SMB_VFS_DISCONNECT(*conn_out);
- conn_free(*conn_out);
+ if (path_out == NULL) {
+ TALLOC_FREE(c);
return False;
}
+ *pp_path_out = path_out;
+ *conn_out = c->conn;
return True;
}
bool create_msdfs_link(const struct junction_map *jucn)
{
+ TALLOC_CTX *frame = talloc_stackframe();
char *path = NULL;
- char *cwd;
char *msdfs_link = NULL;
connection_struct *conn;
int i=0;
bool insert_comma = False;
bool ret = False;
+ struct smb_filename *smb_fname = NULL;
+ bool ok;
- if(!junction_to_local_path(jucn, &path, &conn, &cwd)) {
+ ok = junction_to_local_path_tos(jucn, &path, &conn);
+ if (!ok) {
+ TALLOC_FREE(frame);
return False;
}
DEBUG(5,("create_msdfs_link: Creating new msdfs link: %s -> %s\n",
path, msdfs_link));
- if(SMB_VFS_SYMLINK(conn, msdfs_link, path) < 0) {
- if (errno == EEXIST) {
- struct smb_filename *smb_fname;
-
- smb_fname = synthetic_smb_fname(talloc_tos(), path,
- NULL, NULL);
- if (smb_fname == NULL) {
- errno = ENOMEM;
- goto out;
- }
+ smb_fname = synthetic_smb_fname(frame,
+ path,
+ NULL,
+ NULL,
+ 0);
+ if (smb_fname == NULL) {
+ errno = ENOMEM;
+ goto out;
+ }
+ if(SMB_VFS_SYMLINK(conn, msdfs_link, smb_fname) < 0) {
+ if (errno == EEXIST) {
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) {
+ if (SMB_VFS_SYMLINK(conn, msdfs_link, smb_fname) < 0) {
DEBUG(1,("create_msdfs_link: symlink failed "
"%s -> %s\nError: %s\n",
path, msdfs_link, strerror(errno)));
ret = True;
out:
- vfs_ChDir(conn, cwd);
- SMB_VFS_DISCONNECT(conn);
- conn_free(conn);
+ TALLOC_FREE(frame);
return ret;
}
bool remove_msdfs_link(const struct junction_map *jucn)
{
+ TALLOC_CTX *frame = talloc_stackframe();
char *path = NULL;
- char *cwd;
connection_struct *conn;
bool ret = False;
- struct smb_filename *smb_fname = NULL;
- NTSTATUS status;
+ struct smb_filename *smb_fname;
+ bool ok;
- if (!junction_to_local_path(jucn, &path, &conn, &cwd)) {
+ ok = junction_to_local_path_tos(jucn, &path, &conn);
+ if (!ok) {
+ TALLOC_FREE(frame);
return false;
}
- 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);
+ smb_fname = synthetic_smb_fname(frame,
+ path,
+ NULL,
+ NULL,
+ 0);
+ if (smb_fname == NULL) {
+ TALLOC_FREE(frame);
+ errno = ENOMEM;
return false;
}
ret = True;
}
- TALLOC_FREE(smb_fname);
- vfs_ChDir(conn, cwd);
- SMB_VFS_DISCONNECT(conn);
- conn_free(conn);
+ TALLOC_FREE(frame);
return ret;
}
static int count_dfs_links(TALLOC_CTX *ctx, int snum)
{
+ TALLOC_CTX *frame = talloc_stackframe();
size_t cnt = 0;
DIR *dirp = NULL;
const char *dname = NULL;
char *talloced = NULL;
- const char *connect_path = lp_pathname(talloc_tos(), snum);
- const char *msdfs_proxy = lp_msdfs_proxy(talloc_tos(), snum);
- connection_struct *conn;
+ const char *connect_path = lp_path(frame, snum);
+ const char *msdfs_proxy = lp_msdfs_proxy(frame, snum);
+ struct conn_struct_tos *c = NULL;
+ connection_struct *conn = NULL;
NTSTATUS status;
- char *cwd;
+ struct smb_filename *smb_fname = NULL;
if(*connect_path == '\0') {
+ TALLOC_FREE(frame);
return 0;
}
* Fake up a connection struct for the VFS layer.
*/
- status = create_conn_struct_cwd(talloc_tos(),
- server_event_context(),
- server_messaging_context(),
- &conn,
- snum, connect_path, NULL, &cwd);
+ status = create_conn_struct_tos_cwd(global_messaging_context(),
+ snum,
+ connect_path,
+ NULL,
+ &c);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(3, ("create_conn_struct failed: %s\n",
nt_errstr(status)));
+ TALLOC_FREE(frame);
return 0;
}
+ conn = c->conn;
/* Count a link for the msdfs root - convention */
cnt = 1;
goto out;
}
+ smb_fname = synthetic_smb_fname(frame,
+ ".",
+ NULL,
+ NULL,
+ 0);
+ if (smb_fname == NULL) {
+ goto out;
+ }
+
/* Now enumerate all dfs links */
- dirp = SMB_VFS_OPENDIR(conn, ".", NULL, 0);
+ dirp = SMB_VFS_OPENDIR(conn, smb_fname, NULL, 0);
if(!dirp) {
goto out;
}
while ((dname = vfs_readdirname(conn, dirp, NULL, &talloced))
!= NULL) {
- if (is_msdfs_link(conn,
- dname,
- NULL)) {
+ struct smb_filename *smb_dname =
+ synthetic_smb_fname(frame,
+ dname,
+ NULL,
+ NULL,
+ 0);
+ if (smb_dname == NULL) {
+ goto out;
+ }
+ if (is_msdfs_link(conn, smb_dname)) {
cnt++;
}
TALLOC_FREE(talloced);
+ TALLOC_FREE(smb_dname);
}
SMB_VFS_CLOSEDIR(conn,dirp);
out:
- vfs_ChDir(conn, cwd);
- SMB_VFS_DISCONNECT(conn);
- conn_free(conn);
+ TALLOC_FREE(frame);
return cnt;
}
struct junction_map *jucn,
size_t jn_remain)
{
+ TALLOC_CTX *frame = talloc_stackframe();
size_t cnt = 0;
DIR *dirp = NULL;
const char *dname = NULL;
char *talloced = NULL;
- const char *connect_path = lp_pathname(talloc_tos(), snum);
- char *service_name = lp_servicename(talloc_tos(), snum);
- const char *msdfs_proxy = lp_msdfs_proxy(talloc_tos(), snum);
- connection_struct *conn;
+ const char *connect_path = lp_path(frame, snum);
+ char *service_name = lp_servicename(frame, snum);
+ const char *msdfs_proxy = lp_msdfs_proxy(frame, snum);
+ struct conn_struct_tos *c = NULL;
+ connection_struct *conn = NULL;
struct referral *ref = NULL;
- char *cwd;
+ struct smb_filename *smb_fname = NULL;
NTSTATUS status;
if (jn_remain == 0) {
+ TALLOC_FREE(frame);
return 0;
}
if(*connect_path == '\0') {
+ TALLOC_FREE(frame);
return 0;
}
* Fake up a connection struct for the VFS layer.
*/
- status = create_conn_struct_cwd(ctx,
- server_event_context(),
- server_messaging_context(),
- &conn, snum, connect_path, NULL,
- &cwd);
+ status = create_conn_struct_tos_cwd(global_messaging_context(),
+ snum,
+ connect_path,
+ NULL,
+ &c);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(3, ("create_conn_struct failed: %s\n",
nt_errstr(status)));
+ TALLOC_FREE(frame);
return 0;
}
+ conn = c->conn;
/* form a junction for the msdfs root - convention
DO NOT REMOVE THIS: NT clients will not work with us
goto out;
}
+ smb_fname = synthetic_smb_fname(frame,
+ ".",
+ NULL,
+ NULL,
+ 0);
+ if (smb_fname == NULL) {
+ goto out;
+ }
+
/* Now enumerate all dfs links */
- dirp = SMB_VFS_OPENDIR(conn, ".", NULL, 0);
+ dirp = SMB_VFS_OPENDIR(conn, smb_fname, NULL, 0);
if(!dirp) {
goto out;
}
while ((dname = vfs_readdirname(conn, dirp, NULL, &talloced))
!= NULL) {
char *link_target = NULL;
+ struct smb_filename *smb_dname = NULL;
+
if (cnt >= jn_remain) {
DEBUG(2, ("form_junctions: ran out of MSDFS "
"junction slots"));
TALLOC_FREE(talloced);
goto out;
}
+ smb_dname = synthetic_smb_fname(talloc_tos(),
+ dname,
+ NULL,
+ NULL,
+ 0);
+ if (smb_dname == NULL) {
+ TALLOC_FREE(talloced);
+ goto out;
+ }
if (is_msdfs_link_internal(ctx,
conn,
- dname, &link_target,
- NULL)) {
- if (parse_msdfs_symlink(ctx,
+ smb_dname, &link_target)) {
+ if (parse_msdfs_symlink(ctx, snum,
link_target,
&jucn[cnt].referral_list,
&jucn[cnt].referral_count)) {
TALLOC_FREE(link_target);
}
TALLOC_FREE(talloced);
+ TALLOC_FREE(smb_dname);
}
out:
SMB_VFS_CLOSEDIR(conn,dirp);
}
- vfs_ChDir(conn, cwd);
- conn_free(conn);
+ TALLOC_FREE(frame);
return cnt;
}
NTSTATUS resolve_dfspath_wcard(TALLOC_CTX *ctx,
connection_struct *conn,
- bool dfs_pathnames,
const char *name_in,
- bool allow_wcards,
+ uint32_t ucf_flags,
bool allow_broken_path,
char **pp_name_out,
bool *ppath_contains_wcard)
{
- bool path_contains_wcard;
+ bool path_contains_wcard = false;
NTSTATUS status = NT_STATUS_OK;
- if (dfs_pathnames) {
- status = dfs_redirect(ctx,
- conn,
- name_in,
- allow_wcards,
- allow_broken_path,
- pp_name_out,
- &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 = discard_const_p(char, name_in);
+ status = dfs_redirect(ctx,
+ conn,
+ name_in,
+ ucf_flags,
+ allow_broken_path,
+ pp_name_out,
+ &path_contains_wcard);
+
+ if (NT_STATUS_IS_OK(status) &&
+ ppath_contains_wcard != NULL &&
+ path_contains_wcard) {
+ *ppath_contains_wcard = path_contains_wcard;
}
return status;
}