X-Git-Url: http://git.samba.org/samba.git/?a=blobdiff_plain;f=source3%2Fsmbd%2Fpysmbd.c;h=63fc5d68c33ff525e27d425cda983cdc4be0fb6a;hb=e6f3631eba863e6dda007b4e2d9a3b7ef3d49f35;hp=5e8691a8f050931555ea9a874f4ac00578447aa1;hpb=e146fe5ef96c1522175a8e81db15d1e8879e5652;p=nivanova%2Fsamba-autobuild%2F.git diff --git a/source3/smbd/pysmbd.c b/source3/smbd/pysmbd.c index 5e8691a8f05..63fc5d68c33 100644 --- a/source3/smbd/pysmbd.c +++ b/source3/smbd/pysmbd.c @@ -23,9 +23,9 @@ along with this program. If not, see . */ +#include #include "includes.h" #include "smbd/smbd.h" -#include #include "libcli/util/pyerrors.h" #include "librpc/rpc/pyrpc_util.h" #include @@ -36,80 +36,88 @@ extern const struct generic_mapping file_generic_mapping; #undef DBGC_CLASS #define DBGC_CLASS DBGC_ACLS -static NTSTATUS set_sys_acl_no_snum(const char *fname, - SMB_ACL_TYPE_T acltype, - SMB_ACL_T theacl) +static int conn_free_wrapper(connection_struct *conn) +{ + conn_free(conn); + return 0; +}; + +static connection_struct *get_conn(TALLOC_CTX *mem_ctx, const char *service) { connection_struct *conn; - NTSTATUS status = NT_STATUS_OK; - int ret; - mode_t saved_umask; + TALLOC_CTX *frame = talloc_stackframe(); + int snum = -1; + NTSTATUS status; - conn = talloc_zero(NULL, connection_struct); - if (conn == NULL) { - DEBUG(0, ("talloc failed\n")); - return NT_STATUS_NO_MEMORY; + if (!posix_locking_init(false)) { + PyErr_NoMemory(); + TALLOC_FREE(frame); + return NULL; } - if (!(conn->params = talloc(conn, struct share_params))) { - DEBUG(0,("set_sys_acl_no_snum: talloc() failed!\n")); - TALLOC_FREE(conn); - return NT_STATUS_NO_MEMORY; + if (service) { + snum = lp_servicenumber(service); + if (snum == -1) { + TALLOC_FREE(frame); + PyErr_SetString(PyExc_RuntimeError, "unknown service"); + return NULL; + } } - /* we want total control over the permissions on created files, - so set our umask to 0 */ - saved_umask = umask(0); + status = create_conn_struct(mem_ctx, NULL, NULL, &conn, snum, "/", + NULL); + PyErr_NTSTATUS_IS_ERR_RAISE(status); - conn->params->service = -1; + TALLOC_FREE(frame); + /* Ignore read-only and share restrictions */ + conn->read_only = false; + conn->share_access = SEC_RIGHTS_FILE_ALL; + talloc_set_destructor(conn, conn_free_wrapper); + return conn; +} + +static int set_sys_acl_conn(const char *fname, + SMB_ACL_TYPE_T acltype, + SMB_ACL_T theacl, connection_struct *conn) +{ + int ret; + struct smb_filename *smb_fname = NULL; + mode_t saved_umask; - set_conn_connectpath(conn, "/"); + TALLOC_CTX *frame = talloc_stackframe(); - smbd_vfs_init(conn); + /* we want total control over the permissions on created files, + so set our umask to 0 */ + saved_umask = umask(0); - ret = SMB_VFS_SYS_ACL_SET_FILE( conn, fname, acltype, theacl); - if (ret != 0) { - status = map_nt_error_from_unix_common(ret); - DEBUG(0,("set_sys_acl_no_snum: SMB_VFS_SYS_ACL_SET_FILE " - "returned zero.\n")); + smb_fname = synthetic_smb_fname_split(frame, + fname, + lp_posix_pathnames()); + if (smb_fname == NULL) { + TALLOC_FREE(frame); + umask(saved_umask); + return -1; } - umask(saved_umask); + ret = SMB_VFS_SYS_ACL_SET_FILE( conn, smb_fname, acltype, theacl); - conn_free(conn); + umask(saved_umask); - return status; + TALLOC_FREE(frame); + return ret; } -static NTSTATUS set_nt_acl_no_snum(const char *fname, - uint32 security_info_sent, const struct security_descriptor *sd) +static NTSTATUS set_nt_acl_conn(const char *fname, + uint32_t security_info_sent, const struct security_descriptor *sd, + connection_struct *conn) { TALLOC_CTX *frame = talloc_stackframe(); - connection_struct *conn; NTSTATUS status = NT_STATUS_OK; files_struct *fsp; struct smb_filename *smb_fname = NULL; - int flags; + int flags, ret; mode_t saved_umask; - if (!posix_locking_init(false)) { - TALLOC_FREE(frame); - return NT_STATUS_NO_MEMORY; - } - - conn = talloc_zero(frame, connection_struct); - if (conn == NULL) { - TALLOC_FREE(frame); - DEBUG(0, ("talloc failed\n")); - return NT_STATUS_NO_MEMORY; - } - - if (!(conn->params = talloc(conn, struct share_params))) { - DEBUG(0,("set_nt_acl_no_snum: talloc() failed!\n")); - TALLOC_FREE(frame); - return NT_STATUS_NO_MEMORY; - } - fsp = talloc_zero(frame, struct files_struct); if (fsp == NULL) { TALLOC_FREE(frame); @@ -126,18 +134,13 @@ static NTSTATUS set_nt_acl_no_snum(const char *fname, so set our umask to 0 */ saved_umask = umask(0); - conn->params->service = -1; - - set_conn_connectpath(conn, "/"); - - smbd_vfs_init(conn); - - status = create_synthetic_smb_fname_split(fsp, fname, NULL, - &smb_fname); - if (!NT_STATUS_IS_OK(status)) { + smb_fname = synthetic_smb_fname_split(fsp, + fname, + lp_posix_pathnames()); + if (smb_fname == NULL) { TALLOC_FREE(frame); umask(saved_umask); - return status; + return NT_STATUS_NO_MEMORY; } fsp->fsp_name = smb_fname; @@ -160,6 +163,29 @@ static NTSTATUS set_nt_acl_no_snum(const char *fname, return NT_STATUS_UNSUCCESSFUL; } + ret = SMB_VFS_FSTAT(fsp, &smb_fname->st); + if (ret == -1) { + /* If we have an fd, this stat should succeed. */ + DEBUG(0,("Error doing fstat on open file %s " + "(%s)\n", + smb_fname_str_dbg(smb_fname), + strerror(errno) )); + TALLOC_FREE(frame); + umask(saved_umask); + return map_nt_error_from_unix(errno); + } + + fsp->file_id = vfs_file_id_from_sbuf(conn, &smb_fname->st); + fsp->vuid = UID_FIELD_INVALID; + fsp->file_pid = 0; + fsp->can_lock = True; + fsp->can_read = True; + fsp->can_write = True; + fsp->print_file = NULL; + fsp->modified = False; + fsp->sent_oplock_break = NO_BREAK_SENT; + fsp->is_directory = S_ISDIR(smb_fname->st.st_ex_mode); + status = SMB_VFS_FSET_NT_ACL( fsp, security_info_sent, sd); if (!NT_STATUS_IS_OK(status)) { DEBUG(0,("set_nt_acl_no_snum: fset_nt_acl returned %s.\n", nt_errstr(status))); @@ -174,12 +200,46 @@ static NTSTATUS set_nt_acl_no_snum(const char *fname, return status; } +static NTSTATUS get_nt_acl_conn(TALLOC_CTX *mem_ctx, + const char *fname, + connection_struct *conn, + uint32_t security_info_wanted, + struct security_descriptor **sd) +{ + TALLOC_CTX *frame = talloc_stackframe(); + NTSTATUS status; + struct smb_filename *smb_fname = synthetic_smb_fname(talloc_tos(), + fname, + NULL, + NULL, + lp_posix_pathnames() ? + SMB_FILENAME_POSIX_PATH : 0); + + if (smb_fname == NULL) { + TALLOC_FREE(frame); + return NT_STATUS_NO_MEMORY; + } + + status = SMB_VFS_GET_NT_ACL(conn, + smb_fname, + security_info_wanted, + mem_ctx, + sd); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(0,("get_nt_acl_conn: get_nt_acl returned %s.\n", nt_errstr(status))); + } + + TALLOC_FREE(frame); + + return status; +} + static SMB_ACL_T make_simple_acl(gid_t gid, mode_t chmod_mode) { TALLOC_CTX *frame = talloc_stackframe(); - mode_t mode = SMB_ACL_READ|SMB_ACL_WRITE; + mode_t mode = SMB_ACL_READ|SMB_ACL_WRITE|SMB_ACL_EXECUTE; mode_t mode_user = (chmod_mode & 0700) >> 6; mode_t mode_group = (chmod_mode & 070) >> 3; @@ -278,27 +338,40 @@ static SMB_ACL_T make_simple_acl(gid_t gid, mode_t chmod_mode) /* set a simple ACL on a file, as a test */ -static PyObject *py_smbd_set_simple_acl(PyObject *self, PyObject *args) +static PyObject *py_smbd_set_simple_acl(PyObject *self, PyObject *args, PyObject *kwargs) { - NTSTATUS status; - char *fname; + const char * const kwnames[] = { "fname", "mode", "gid", "service", NULL }; + char *fname, *service = NULL; + int ret; int mode, gid = -1; SMB_ACL_T acl; TALLOC_CTX *frame; + connection_struct *conn; - if (!PyArg_ParseTuple(args, "si|i", &fname, &mode, &gid)) + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "si|iz", + discard_const_p(char *, kwnames), + &fname, &mode, &gid, &service)) return NULL; acl = make_simple_acl(gid, mode); frame = talloc_stackframe(); - status = set_sys_acl_no_snum(fname, SMB_ACL_TYPE_ACCESS, acl); + conn = get_conn(frame, service); + if (!conn) { + return NULL; + } + + ret = set_sys_acl_conn(fname, SMB_ACL_TYPE_ACCESS, acl, conn); TALLOC_FREE(acl); - TALLOC_FREE(frame); + if (ret != 0) { + TALLOC_FREE(frame); + errno = ret; + return PyErr_SetFromErrno(PyExc_OSError); + } - PyErr_NTSTATUS_IS_ERR_RAISE(status); + TALLOC_FREE(frame); Py_RETURN_NONE; } @@ -306,30 +379,27 @@ static PyObject *py_smbd_set_simple_acl(PyObject *self, PyObject *args) /* chown a file */ -static PyObject *py_smbd_chown(PyObject *self, PyObject *args) +static PyObject *py_smbd_chown(PyObject *self, PyObject *args, PyObject *kwargs) { + const char * const kwnames[] = { "fname", "uid", "gid", "service", NULL }; connection_struct *conn; - NTSTATUS status = NT_STATUS_OK; int ret; - char *fname; + char *fname, *service = NULL; int uid, gid; TALLOC_CTX *frame; mode_t saved_umask; + struct smb_filename *smb_fname = NULL; - if (!PyArg_ParseTuple(args, "sii", &fname, &uid, &gid)) + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sii|z", + discard_const_p(char *, kwnames), + &fname, &uid, &gid, &service)) return NULL; frame = talloc_stackframe(); - conn = talloc_zero(frame, connection_struct); - if (conn == NULL) { - PyErr_NoMemory(); - return NULL; - } - - if (!(conn->params = talloc(conn, struct share_params))) { - PyErr_NoMemory(); + conn = get_conn(frame, service); + if (!conn) { return NULL; } @@ -337,98 +407,85 @@ static PyObject *py_smbd_chown(PyObject *self, PyObject *args) so set our umask to 0 */ saved_umask = umask(0); - conn->params->service = -1; - - set_conn_connectpath(conn, "/"); - - smbd_vfs_init(conn); + smb_fname = synthetic_smb_fname(talloc_tos(), + fname, + NULL, + NULL, + lp_posix_pathnames() ? + SMB_FILENAME_POSIX_PATH : 0); + if (smb_fname == NULL) { + umask(saved_umask); + TALLOC_FREE(frame); + errno = ENOMEM; + return PyErr_SetFromErrno(PyExc_OSError); + } - ret = SMB_VFS_CHOWN( conn, fname, uid, gid); + ret = SMB_VFS_CHOWN(conn, smb_fname, uid, gid); if (ret != 0) { - status = map_nt_error_from_unix_common(errno); - DEBUG(0,("chown returned failure: %s\n", strerror(errno))); + umask(saved_umask); + TALLOC_FREE(frame); + errno = ret; + return PyErr_SetFromErrno(PyExc_OSError); } umask(saved_umask); - conn_free(conn); - TALLOC_FREE(frame); - PyErr_NTSTATUS_IS_ERR_RAISE(status); - Py_RETURN_NONE; } /* - chown a file + unlink a file */ -static PyObject *py_smbd_unlink(PyObject *self, PyObject *args) +static PyObject *py_smbd_unlink(PyObject *self, PyObject *args, PyObject *kwargs) { + const char * const kwnames[] = { "fname", "service", NULL }; connection_struct *conn; - NTSTATUS status = NT_STATUS_OK; int ret; struct smb_filename *smb_fname = NULL; - char *fname; - int uid, gid; + char *fname, *service = NULL; TALLOC_CTX *frame; - mode_t saved_umask; - - if (!PyArg_ParseTuple(args, "s", &fname)) - return NULL; frame = talloc_stackframe(); - conn = talloc_zero(frame, connection_struct); - if (conn == NULL) { - PyErr_NoMemory(); + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|z", + discard_const_p(char *, kwnames), + &fname, &service)) { + TALLOC_FREE(frame); return NULL; } - if (!(conn->params = talloc(conn, struct share_params))) { - PyErr_NoMemory(); + conn = get_conn(frame, service); + if (!conn) { + TALLOC_FREE(frame); return NULL; } - /* we want total control over the permissions on created files, - so set our umask to 0 */ - saved_umask = umask(0); - - conn->params->service = -1; - - set_conn_connectpath(conn, "/"); - - smbd_vfs_init(conn); - - status = create_synthetic_smb_fname_split(frame, fname, NULL, - &smb_fname); - if (!NT_STATUS_IS_OK(status)) { + smb_fname = synthetic_smb_fname_split(frame, + fname, + lp_posix_pathnames()); + if (smb_fname == NULL) { TALLOC_FREE(frame); - umask(saved_umask); - PyErr_NTSTATUS_IS_ERR_RAISE(status); + return PyErr_NoMemory(); } ret = SMB_VFS_UNLINK(conn, smb_fname); if (ret != 0) { - status = map_nt_error_from_unix_common(errno); - DEBUG(0,("unlink returned failure: %s\n", strerror(errno))); + TALLOC_FREE(frame); + errno = ret; + return PyErr_SetFromErrno(PyExc_OSError); } - umask(saved_umask); - - conn_free(conn); - TALLOC_FREE(frame); - PyErr_NTSTATUS_IS_ERR_RAISE(status); - Py_RETURN_NONE; } /* check if we have ACL support */ -static PyObject *py_smbd_have_posix_acls(PyObject *self, PyObject *args) +static PyObject *py_smbd_have_posix_acls(PyObject *self) { #ifdef HAVE_POSIX_ACLS return PyBool_FromLong(true); @@ -440,24 +497,41 @@ static PyObject *py_smbd_have_posix_acls(PyObject *self, PyObject *args) /* set the NT ACL on a file */ -static PyObject *py_smbd_set_nt_acl(PyObject *self, PyObject *args) +static PyObject *py_smbd_set_nt_acl(PyObject *self, PyObject *args, PyObject *kwargs) { + const char * const kwnames[] = { "fname", "security_info_sent", "sd", "service", NULL }; NTSTATUS status; - char *fname; + char *fname, *service = NULL; int security_info_sent; PyObject *py_sd; struct security_descriptor *sd; + connection_struct *conn; + TALLOC_CTX *frame; + + frame = talloc_stackframe(); - if (!PyArg_ParseTuple(args, "siO", &fname, &security_info_sent, &py_sd)) + if (!PyArg_ParseTupleAndKeywords(args, kwargs, + "siO|z", discard_const_p(char *, kwnames), + &fname, &security_info_sent, &py_sd, &service)) { + TALLOC_FREE(frame); return NULL; + } if (!py_check_dcerpc_type(py_sd, "samba.dcerpc.security", "descriptor")) { + TALLOC_FREE(frame); + return NULL; + } + + conn = get_conn(frame, service); + if (!conn) { + TALLOC_FREE(frame); return NULL; } sd = pytalloc_get_type(py_sd, struct security_descriptor); - status = set_nt_acl_no_snum(fname, security_info_sent, sd); + status = set_nt_acl_conn(fname, security_info_sent, sd, conn); + TALLOC_FREE(frame); PyErr_NTSTATUS_IS_ERR_RAISE(status); Py_RETURN_NONE; @@ -466,22 +540,35 @@ static PyObject *py_smbd_set_nt_acl(PyObject *self, PyObject *args) /* Return the NT ACL on a file */ -static PyObject *py_smbd_get_nt_acl(PyObject *self, PyObject *args) +static PyObject *py_smbd_get_nt_acl(PyObject *self, PyObject *args, PyObject *kwargs) { - char *fname; + const char * const kwnames[] = { "fname", "security_info_wanted", "service", NULL }; + char *fname, *service = NULL; int security_info_wanted; PyObject *py_sd; struct security_descriptor *sd; TALLOC_CTX *tmp_ctx = talloc_new(NULL); + connection_struct *conn; + NTSTATUS status; + + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "si|z", discard_const_p(char *, kwnames), + &fname, &security_info_wanted, &service)) { + TALLOC_FREE(tmp_ctx); + return NULL; + } - if (!PyArg_ParseTuple(args, "si", &fname, &security_info_wanted)) + conn = get_conn(tmp_ctx, service); + if (!conn) { + TALLOC_FREE(tmp_ctx); return NULL; + } - sd = get_nt_acl_no_snum(tmp_ctx, fname, security_info_wanted); + status = get_nt_acl_conn(tmp_ctx, fname, conn, security_info_wanted, &sd); + PyErr_NTSTATUS_IS_ERR_RAISE(status); py_sd = py_return_ndr_struct("samba.dcerpc.security", "descriptor", sd, sd); - talloc_free(tmp_ctx); + TALLOC_FREE(tmp_ctx); return py_sd; } @@ -489,109 +576,131 @@ static PyObject *py_smbd_get_nt_acl(PyObject *self, PyObject *args) /* set the posix (or similar) ACL on a file */ -static PyObject *py_smbd_set_sys_acl(PyObject *self, PyObject *args) +static PyObject *py_smbd_set_sys_acl(PyObject *self, PyObject *args, PyObject *kwargs) { - NTSTATUS status; - char *fname; + const char * const kwnames[] = { "fname", "acl_type", "acl", "service", NULL }; + TALLOC_CTX *frame = talloc_stackframe(); + int ret; + char *fname, *service = NULL; PyObject *py_acl; struct smb_acl_t *acl; int acl_type; + connection_struct *conn; - if (!PyArg_ParseTuple(args, "siO", &fname, &acl_type, &py_acl)) + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "siO|z", + discard_const_p(char *, kwnames), + &fname, &acl_type, &py_acl, &service)) { + TALLOC_FREE(frame); return NULL; + } if (!py_check_dcerpc_type(py_acl, "samba.dcerpc.smb_acl", "t")) { + TALLOC_FREE(frame); + return NULL; + } + + conn = get_conn(frame, service); + if (!conn) { + TALLOC_FREE(frame); return NULL; } acl = pytalloc_get_type(py_acl, struct smb_acl_t); - status = set_sys_acl_no_snum(fname, acl_type, acl); - PyErr_NTSTATUS_IS_ERR_RAISE(status); + ret = set_sys_acl_conn(fname, acl_type, acl, conn); + if (ret != 0) { + TALLOC_FREE(frame); + errno = ret; + return PyErr_SetFromErrno(PyExc_OSError); + } + TALLOC_FREE(frame); Py_RETURN_NONE; } /* Return the posix (or similar) ACL on a file */ -static PyObject *py_smbd_get_sys_acl(PyObject *self, PyObject *args) +static PyObject *py_smbd_get_sys_acl(PyObject *self, PyObject *args, PyObject *kwargs) { + const char * const kwnames[] = { "fname", "acl_type", "service", NULL }; char *fname; PyObject *py_acl; struct smb_acl_t *acl; int acl_type; TALLOC_CTX *frame = talloc_stackframe(); + TALLOC_CTX *tmp_ctx = talloc_new(NULL); connection_struct *conn; - NTSTATUS status = NT_STATUS_OK; + char *service = NULL; + struct smb_filename *smb_fname = NULL; - if (!PyArg_ParseTuple(args, "si", &fname, &acl_type)) { - TALLOC_FREE(frame); + if (!tmp_ctx) { + PyErr_NoMemory(); return NULL; } - conn = talloc_zero(frame, connection_struct); - if (conn == NULL) { - DEBUG(0, ("talloc failed\n")); - PyErr_NoMemory(); + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "si|z", + discard_const_p(char *, kwnames), + &fname, &acl_type, &service)) { TALLOC_FREE(frame); + TALLOC_FREE(tmp_ctx); return NULL; } - if (!(conn->params = talloc(conn, struct share_params))) { - DEBUG(0,("get_nt_acl_no_snum: talloc() failed!\n")); - PyErr_NoMemory(); + conn = get_conn(frame, service); + if (!conn) { TALLOC_FREE(frame); + TALLOC_FREE(tmp_ctx); return NULL; } - conn->params->service = -1; - - set_conn_connectpath(conn, "/"); - - smbd_vfs_init(conn); - - acl = SMB_VFS_SYS_ACL_GET_FILE( conn, fname, acl_type, frame); + smb_fname = synthetic_smb_fname_split(frame, + fname, + lp_posix_pathnames()); + if (smb_fname == NULL) { + TALLOC_FREE(frame); + TALLOC_FREE(tmp_ctx); + return NULL; + } + acl = SMB_VFS_SYS_ACL_GET_FILE( conn, smb_fname, acl_type, tmp_ctx); if (!acl) { TALLOC_FREE(frame); - status = map_nt_error_from_unix_common(errno); - DEBUG(0,("sys_acl_get_file returned NULL: %s\n", strerror(errno))); - PyErr_NTSTATUS_IS_ERR_RAISE(status); + TALLOC_FREE(tmp_ctx); + return PyErr_SetFromErrno(PyExc_OSError); } - conn_free(conn); - py_acl = py_return_ndr_struct("samba.dcerpc.smb_acl", "t", acl, acl); TALLOC_FREE(frame); + TALLOC_FREE(tmp_ctx); return py_acl; } static PyMethodDef py_smbd_methods[] = { { "have_posix_acls", - (PyCFunction)py_smbd_have_posix_acls, METH_VARARGS, + (PyCFunction)py_smbd_have_posix_acls, METH_NOARGS, NULL }, { "set_simple_acl", - (PyCFunction)py_smbd_set_simple_acl, METH_VARARGS, + (PyCFunction)py_smbd_set_simple_acl, METH_VARARGS|METH_KEYWORDS, NULL }, { "set_nt_acl", - (PyCFunction)py_smbd_set_nt_acl, METH_VARARGS, + (PyCFunction)py_smbd_set_nt_acl, METH_VARARGS|METH_KEYWORDS, NULL }, { "get_nt_acl", - (PyCFunction)py_smbd_get_nt_acl, METH_VARARGS, + (PyCFunction)py_smbd_get_nt_acl, METH_VARARGS|METH_KEYWORDS, NULL }, { "get_sys_acl", - (PyCFunction)py_smbd_get_sys_acl, METH_VARARGS, + (PyCFunction)py_smbd_get_sys_acl, METH_VARARGS|METH_KEYWORDS, NULL }, { "set_sys_acl", - (PyCFunction)py_smbd_set_sys_acl, METH_VARARGS, + (PyCFunction)py_smbd_set_sys_acl, METH_VARARGS|METH_KEYWORDS, NULL }, { "chown", - (PyCFunction)py_smbd_chown, METH_VARARGS, + (PyCFunction)py_smbd_chown, METH_VARARGS|METH_KEYWORDS, NULL }, { "unlink", - (PyCFunction)py_smbd_unlink, METH_VARARGS, + (PyCFunction)py_smbd_unlink, METH_VARARGS|METH_KEYWORDS, NULL }, { NULL } };