#include "auth.h"
#include "lib/param/loadparm.h"
#include "messages.h"
+#include "lib/afs/afs_funcs.h"
+#include "lib/util_path.h"
static bool canonicalize_connect_path(connection_struct *conn)
{
bool ret;
- char *resolved_name = SMB_VFS_REALPATH(conn,conn->connectpath);
- if (!resolved_name) {
+ struct smb_filename con_fname = { .base_name = conn->connectpath };
+ struct smb_filename *resolved_fname = SMB_VFS_REALPATH(conn, talloc_tos(),
+ &con_fname);
+ if (resolved_fname == NULL) {
return false;
}
- ret = set_conn_connectpath(conn,resolved_name);
- SAFE_FREE(resolved_name);
+ ret = set_conn_connectpath(conn,resolved_fname->base_name);
+ TALLOC_FREE(resolved_fname);
return ret;
}
/****************************************************************************
Ensure when setting connectpath it is a canonicalized (no ./ // or ../)
absolute path stating in / and not ending in /.
- Observent people will notice a similarity between this and check_path_syntax :-).
****************************************************************************/
bool set_conn_connectpath(connection_struct *conn, const char *connectpath)
{
char *destname;
- char *d;
- const char *s = connectpath;
- bool start_of_name_component = true;
if (connectpath == NULL || connectpath[0] == '\0') {
return false;
}
- /* Allocate for strlen + '\0' + possible leading '/' */
- destname = (char *)talloc_size(conn, strlen(connectpath) + 2);
- if (!destname) {
+ destname = canonicalize_absolute_path(conn, connectpath);
+ if (destname == NULL) {
return false;
}
- d = destname;
-
- *d++ = '/'; /* Always start with root. */
-
- while (*s) {
- if (*s == '/') {
- /* Eat multiple '/' */
- while (*s == '/') {
- s++;
- }
- if ((d > destname + 1) && (*s != '\0')) {
- *d++ = '/';
- }
- start_of_name_component = True;
- continue;
- }
-
- if (start_of_name_component) {
- if ((s[0] == '.') && (s[1] == '.') && (s[2] == '/' || s[2] == '\0')) {
- /* Uh oh - "/../" or "/..\0" ! */
-
- /* Go past the ../ or .. */
- if (s[2] == '/') {
- s += 3;
- } else {
- s += 2; /* Go past the .. */
- }
-
- /* If we just added a '/' - delete it */
- if ((d > destname) && (*(d-1) == '/')) {
- *(d-1) = '\0';
- d--;
- }
-
- /* Are we at the start ? Can't go back further if so. */
- if (d <= destname) {
- *d++ = '/'; /* Can't delete root */
- continue;
- }
- /* Go back one level... */
- /* Decrement d first as d points to the *next* char to write into. */
- for (d--; d > destname; d--) {
- if (*d == '/') {
- break;
- }
- }
- /* We're still at the start of a name component, just the previous one. */
- continue;
- } else if ((s[0] == '.') && ((s[1] == '\0') || s[1] == '/')) {
- /* Component of pathname can't be "." only - skip the '.' . */
- if (s[1] == '/') {
- s += 2;
- } else {
- s++;
- }
- continue;
- }
- }
-
- if (!(*s & 0x80)) {
- *d++ = *s++;
- } else {
- size_t siz;
- /* Get the size of the next MB character. */
- next_codepoint(s,&siz);
- switch(siz) {
- case 5:
- *d++ = *s++;
- /*fall through*/
- case 4:
- *d++ = *s++;
- /*fall through*/
- case 3:
- *d++ = *s++;
- /*fall through*/
- case 2:
- *d++ = *s++;
- /*fall through*/
- case 1:
- *d++ = *s++;
- break;
- default:
- break;
- }
- }
- start_of_name_component = false;
- }
- *d = '\0';
-
- /* And must not end in '/' */
- if (d > destname + 1 && (*(d-1) == '/')) {
- *(d-1) = '\0';
- }
DEBUG(10,("set_conn_connectpath: service %s, connectpath = %s\n",
lp_servicename(talloc_tos(), SNUM(conn)), destname ));
talloc_free(conn->connectpath);
conn->connectpath = destname;
- /* Ensure conn->cwd is initialized - start as conn->connectpath. */
- TALLOC_FREE(conn->cwd);
- conn->cwd = talloc_strdup(conn, conn->connectpath);
- if (!conn->cwd) {
+ /*
+ * Ensure conn->cwd_fname is initialized.
+ * start as conn->connectpath.
+ */
+ TALLOC_FREE(conn->cwd_fname);
+ conn->cwd_fname = synthetic_smb_fname(conn,
+ conn->connectpath,
+ NULL,
+ NULL,
+ 0);
+ if (conn->cwd_fname == NULL) {
return false;
}
return true;
Load parameters specific to a connection/service.
****************************************************************************/
-bool set_current_service(connection_struct *conn, uint16 flags, bool do_chdir)
+bool set_current_service(connection_struct *conn, uint16_t flags, bool do_chdir)
{
int snum;
+ enum remote_arch_types ra_type;
if (!conn) {
last_conn = NULL;
snum = SNUM(conn);
- if (do_chdir &&
- vfs_ChDir(conn,conn->connectpath) != 0 &&
- vfs_ChDir(conn,conn->origpath) != 0) {
- DEBUG(((errno!=EACCES)?0:3),("chdir (%s) failed, reason: %s\n",
- conn->connectpath, strerror(errno)));
- return(False);
+ {
+ struct smb_filename connectpath_fname = {
+ .base_name = conn->connectpath
+ };
+ struct smb_filename origpath_fname = {
+ .base_name = conn->origpath
+ };
+
+ if (do_chdir &&
+ vfs_ChDir(conn, &connectpath_fname) != 0 &&
+ vfs_ChDir(conn, &origpath_fname) != 0) {
+ DEBUG(((errno!=EACCES)?0:3),
+ ("chdir (%s) failed, reason: %s\n",
+ conn->connectpath, strerror(errno)));
+ return(False);
+ }
}
if ((conn == last_conn) && (last_flags == flags)) {
last_conn = conn;
last_flags = flags;
- /* Obey the client case sensitivity requests - only for clients that support it. */
+ /*
+ * Obey the client case sensitivity requests - only for clients that
+ * support it. */
switch (lp_case_sensitive(snum)) {
- case Auto:
- {
- /* We need this uglyness due to DOS/Win9x clients that lie about case insensitivity. */
- enum remote_arch_types ra_type = get_remote_arch();
- if ((ra_type != RA_SAMBA) && (ra_type != RA_CIFSFS)) {
- /* Client can't support per-packet case sensitive pathnames. */
- conn->case_sensitive = False;
- } else {
- conn->case_sensitive = !(flags & FLAG_CASELESS_PATHNAMES);
- }
- }
- break;
- case True:
- conn->case_sensitive = True;
- break;
- default:
- conn->case_sensitive = False;
- break;
- }
- return(True);
+ case Auto:
+ /*
+ * We need this uglyness due to DOS/Win9x clients that lie
+ * about case insensitivity. */
+ ra_type = get_remote_arch();
+ if (conn->sconn->using_smb2) {
+ conn->case_sensitive = false;
+ } else if ((ra_type != RA_SAMBA) && (ra_type != RA_CIFSFS)) {
+ /*
+ * Client can't support per-packet case sensitive
+ * pathnames. */
+ conn->case_sensitive = false;
+ } else {
+ conn->case_sensitive =
+ !(flags & FLAG_CASELESS_PATHNAMES);
+ }
+ break;
+ case True:
+ conn->case_sensitive = true;
+ break;
+ default:
+ conn->case_sensitive = false;
+ break;
+ }
+ return true;
}
/****************************************************************************
if (dev[0] == '?' || !dev[0]) {
if (lp_printable(snum)) {
fstrcpy(dev,"LPT1:");
- } else if (strequal(lp_fstype(talloc_tos(), snum), "IPC")) {
+ } else if (strequal(lp_fstype(snum), "IPC")) {
fstrcpy(dev, "IPC");
} else {
fstrcpy(dev,"A:");
if (!strequal(dev, "LPT1:")) {
return NT_STATUS_BAD_DEVICE_TYPE;
}
- } else if (strequal(lp_fstype(talloc_tos(), snum), "IPC")) {
+ } else if (strequal(lp_fstype(snum), "IPC")) {
if (!strequal(dev, "IPC")) {
return NT_STATUS_BAD_DEVICE_TYPE;
}
}
/****************************************************************************
- set relavent user and group settings corresponding to force user/group
+ Set relevant user and group settings corresponding to force user/group
configuration for the given snum.
****************************************************************************/
return NT_STATUS_OK;
}
+static NTSTATUS notify_init_sconn(struct smbd_server_connection *sconn)
+{
+ NTSTATUS status;
+
+ if (sconn->notify_ctx != NULL) {
+ return NT_STATUS_OK;
+ }
+
+ sconn->notify_ctx = notify_init(sconn, sconn->msg_ctx, sconn->ev_ctx,
+ sconn, notify_callback);
+ if (sconn->notify_ctx == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ status = messaging_register(sconn->msg_ctx, sconn,
+ MSG_SMB_NOTIFY_CANCEL_DELETED,
+ smbd_notify_cancel_deleted);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_DEBUG("messaging_register failed: %s\n",
+ nt_errstr(status));
+ TALLOC_FREE(sconn->notify_ctx);
+ return status;
+ }
+
+ status = messaging_register(sconn->msg_ctx, sconn,
+ MSG_SMB_NOTIFY_STARTED,
+ smbd_notifyd_restarted);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_DEBUG("messaging_register failed: %s\n",
+ nt_errstr(status));
+ messaging_deregister(sconn->msg_ctx,
+ MSG_SMB_NOTIFY_CANCEL_DELETED, sconn);
+ TALLOC_FREE(sconn->notify_ctx);
+ return status;
+ }
+
+ return NT_STATUS_OK;
+}
+
/****************************************************************************
Make a connection, given the snum to connect to, and the vuser of the
connecting user if appropriate.
****************************************************************************/
-static NTSTATUS make_connection_snum(struct smbd_server_connection *sconn,
+static NTSTATUS make_connection_snum(struct smbXsrv_connection *xconn,
connection_struct *conn,
int snum, struct user_struct *vuser,
const char *pdev)
{
+ struct smbd_server_connection *sconn = xconn->client->sconn;
struct smb_filename *smb_fname_cpath = NULL;
fstring dev;
int ret;
conn->short_case_preserve = lp_short_preserve_case(snum);
conn->encrypt_level = lp_smb_encrypt(snum);
+ if (conn->encrypt_level > SMB_SIGNING_OFF) {
+ if (lp_smb_encrypt(-1) == SMB_SIGNING_OFF) {
+ if (conn->encrypt_level == SMB_SIGNING_REQUIRED) {
+ DBG_ERR("Service [%s] requires encryption, but "
+ "it is disabled globally!\n",
+ lp_servicename(talloc_tos(), snum));
+ status = NT_STATUS_ACCESS_DENIED;
+ goto err_root_exit;
+ }
+ conn->encrypt_level = SMB_SIGNING_OFF;
+ }
+ }
conn->veto_list = NULL;
conn->hide_list = NULL;
}
/*
- * Set up the share security descriptor
+ * Set up the share security descriptor.
+ * NOTE - we use the *INCOMING USER* session_info
+ * here, as does (indirectly) change_to_user(),
+ * which can be called on any incoming packet.
+ * This way we set up the share access based
+ * on the authenticated user, not the forced
+ * user. See bug:
+ *
+ * https://bugzilla.samba.org/show_bug.cgi?id=9878
*/
status = check_user_share_access(conn,
- conn->session_info,
+ vuser->session_info,
&conn->share_access,
&conn->read_only);
if (!NT_STATUS_IS_OK(status)) {
if (SMB_VFS_CONNECT(conn, lp_servicename(talloc_tos(), snum),
conn->session_info->unix_info->unix_name) < 0) {
- DEBUG(0,("make_connection: VFS make connection failed!\n"));
+ DBG_WARNING("SMB_VFS_CONNECT for service '%s' at '%s' failed: %s\n",
+ lp_servicename(talloc_tos(), snum), conn->connectpath,
+ strerror(errno));
status = NT_STATUS_UNSUCCESSFUL;
goto err_root_exit;
}
on_err_call_dis_hook = true;
if ((!conn->printer) && (!conn->ipc) &&
- lp_change_notify(conn->params)) {
- if (sconn->notify_ctx == NULL) {
- sconn->notify_ctx = notify_init(
- sconn, sconn->msg_ctx, sconn->ev_ctx);
- }
- if (sconn->sys_notify_ctx == NULL) {
- sconn->sys_notify_ctx = sys_notify_context_create(
- sconn, sconn->ev_ctx);
+ lp_change_notify()) {
+
+ status = notify_init_sconn(sconn);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto err_root_exit;
}
}
/* Preexecs are done here as they might make the dir we are to ChDir
* to below */
/* execute any "root preexec = " line */
- if (*lp_rootpreexec(talloc_tos(), snum)) {
+ if (*lp_root_preexec(talloc_tos(), snum)) {
char *cmd = talloc_sub_advanced(talloc_tos(),
lp_servicename(talloc_tos(), SNUM(conn)),
conn->session_info->unix_info->unix_name,
conn->session_info->unix_token->gid,
conn->session_info->unix_info->sanitized_username,
conn->session_info->info->domain_name,
- lp_rootpreexec(talloc_tos(), snum));
+ lp_root_preexec(talloc_tos(), snum));
DEBUG(5,("cmd=%s\n",cmd));
- ret = smbrun(cmd,NULL);
+ ret = smbrun(cmd, NULL, NULL);
TALLOC_FREE(cmd);
- if (ret != 0 && lp_rootpreexec_close(snum)) {
+ if (ret != 0 && lp_root_preexec_close(snum)) {
DEBUG(1,("root preexec gave %d - failing "
"connection\n", ret));
status = NT_STATUS_ACCESS_DENIED;
conn->session_info->unix_info->sanitized_username,
conn->session_info->info->domain_name,
lp_preexec(talloc_tos(), snum));
- ret = smbrun(cmd,NULL);
+ ret = smbrun(cmd, NULL, NULL);
TALLOC_FREE(cmd);
if (ret != 0 && lp_preexec_close(snum)) {
DEBUG(1,("preexec gave %d - failing connection\n",
set_namearray( &conn->aio_write_behind_list,
lp_aio_write_behind(talloc_tos(), snum));
}
- smb_fname_cpath = synthetic_smb_fname(talloc_tos(), conn->connectpath,
- NULL, NULL);
+ smb_fname_cpath = synthetic_smb_fname(talloc_tos(),
+ conn->connectpath,
+ NULL,
+ NULL,
+ 0);
if (smb_fname_cpath == NULL) {
status = NT_STATUS_NO_MEMORY;
goto err_root_exit;
dbgtext( "%s (%s) ", get_remote_machine_name(),
tsocket_address_string(conn->sconn->remote_address,
talloc_tos()) );
- dbgtext( "%s", srv_is_signing_active(sconn) ? "signed " : "");
+ dbgtext( "%s", srv_is_signing_active(xconn) ? "signed " : "");
dbgtext( "connect to service %s ",
lp_servicename(talloc_tos(), snum) );
dbgtext( "initially as user %s ",
Make a connection to a service from SMB1. Internal interface.
****************************************************************************/
-static connection_struct *make_connection_smb1(struct smbd_server_connection *sconn,
+static connection_struct *make_connection_smb1(struct smb_request *req,
NTTIME now,
int snum, struct user_struct *vuser,
const char *pdev,
NTSTATUS status;
struct connection_struct *conn;
- status = smb1srv_tcon_create(sconn->conn, now, &tcon);
+ status = smb1srv_tcon_create(req->xconn, now, &tcon);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("make_connection_smb1: Couldn't find free tcon %s.\n",
nt_errstr(status)));
return NULL;
}
- conn = conn_new(sconn);
+ conn = conn_new(req->sconn);
if (!conn) {
TALLOC_FREE(tcon);
conn->cnum = tcon->global->tcon_wire_id;
conn->tcon = tcon;
- *pstatus = make_connection_snum(sconn,
+ *pstatus = make_connection_snum(req->xconn,
conn,
snum,
vuser,
We must set cnum before claiming connection.
****************************************************************************/
-connection_struct *make_connection_smb2(struct smbd_server_connection *sconn,
+connection_struct *make_connection_smb2(struct smbd_smb2_request *req,
struct smbXsrv_tcon *tcon,
int snum,
struct user_struct *vuser,
const char *pdev,
NTSTATUS *pstatus)
{
+ struct smbd_server_connection *sconn = req->sconn;
connection_struct *conn = conn_new(sconn);
if (!conn) {
DEBUG(0,("make_connection_smb2: Couldn't find free connection.\n"));
conn->cnum = tcon->global->tcon_wire_id;
conn->tcon = tcon;
- *pstatus = make_connection_snum(sconn,
+ *pstatus = make_connection_snum(req->xconn,
conn,
snum,
vuser,
* @param service
****************************************************************************/
-connection_struct *make_connection(struct smbd_server_connection *sconn,
+connection_struct *make_connection(struct smb_request *req,
NTTIME now,
const char *service_in,
const char *pdev, uint64_t vuid,
NTSTATUS *status)
{
+ struct smbd_server_connection *sconn = req->sconn;
uid_t euid;
struct user_struct *vuser = NULL;
char *service = NULL;
}
DEBUG(5, ("making a connection to [homes] service "
"created at session setup time\n"));
- return make_connection_smb1(sconn, now,
+ return make_connection_smb1(req, now,
vuser->homes_snum,
vuser,
dev, status);
lp_servicename(talloc_tos(), vuser->homes_snum))) {
DEBUG(5, ("making a connection to 'homes' service [%s] "
"created at session setup time\n", service_in));
- return make_connection_smb1(sconn, now,
+ return make_connection_smb1(req, now,
vuser->homes_snum,
vuser,
dev, status);
DEBUG(5, ("making a connection to 'normal' service %s\n", service));
- return make_connection_smb1(sconn, now, snum, vuser,
+ return make_connection_smb1(req, now, snum, vuser,
dev, status);
}
void close_cnum(connection_struct *conn, uint64_t vuid)
{
+ char rootpath[2] = { '/', '\0'};
+ struct smb_filename root_fname = { .base_name = rootpath };
+
file_close_conn(conn);
if (!IS_IPC(conn)) {
change_to_root_user();
- DEBUG(IS_IPC(conn)?3:1, ("%s (%s) closed connection to service %s\n",
+ DEBUG(IS_IPC(conn)?3:2, ("%s (%s) closed connection to service %s\n",
get_remote_machine_name(),
tsocket_address_string(conn->sconn->remote_address,
talloc_tos()),
lp_servicename(talloc_tos(), SNUM(conn))));
- /* Call VFS disconnect hook */
- SMB_VFS_DISCONNECT(conn);
-
/* make sure we leave the directory available for unmount */
- vfs_ChDir(conn, "/");
+ vfs_ChDir(conn, &root_fname);
+
+ /* Call VFS disconnect hook */
+ SMB_VFS_DISCONNECT(conn);
/* execute any "postexec = " line */
if (*lp_postexec(talloc_tos(), SNUM(conn)) &&
conn->session_info->unix_info->sanitized_username,
conn->session_info->info->domain_name,
lp_postexec(talloc_tos(), SNUM(conn)));
- smbrun(cmd,NULL);
+ smbrun(cmd, NULL, NULL);
TALLOC_FREE(cmd);
change_to_root_user();
}
conn->session_info->unix_info->sanitized_username,
conn->session_info->info->domain_name,
lp_root_postexec(talloc_tos(), SNUM(conn)));
- smbrun(cmd,NULL);
+ smbrun(cmd, NULL, NULL);
TALLOC_FREE(cmd);
}
git.samba.org / vlendec / samba-autobuild / .git / blobdiff