diff options
| -rw-r--r-- | src/ppm/modemproxy.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/ppm/modemproxy.py b/src/ppm/modemproxy.py index 08d8015..d81f32b 100644 --- a/src/ppm/modemproxy.py +++ b/src/ppm/modemproxy.py @@ -20,6 +20,7 @@ from gi.repository import GObject from gi.repository import GLib from gi.repository import Gio +import re class ModemError(Exception): def __init__(self, msg): @@ -49,6 +50,8 @@ class ModemManagerProxy(GObject.GObject): MM_DBUS_TIMEOUT = 5000 MM_DBUS_FLAGS = (Gio.DBusProxyFlags.DO_NOT_LOAD_PROPERTIES | Gio.DBusProxyFlags.DO_NOT_CONNECT_SIGNALS) + # IMSIs are 14 or 15 digits + IMSI_RE = r'\d{14,15}' __gsignals__ = { # Emitted when a request to MM starts @@ -136,9 +139,12 @@ class ModemManagerProxy(GObject.GObject): self.MM_DBUS_INTERFACE_MODEM_GSM_CARD, None) try: - return card.GetImsi() + imsi = card.GetImsi() except Exception as msg: raise ModemError("Getting IMSI failed: %s" % msg) + if not re.match(self.IMSI_RE, imsi): + raise ModemError("%s is not a valid imsi" % imsi) + return imsi def get_network_id(self): imsi = self.get_imsi() |