diff options
Diffstat (limited to 'core/systemd/0001-polkit-Avoid-race-condition-in-scraping-proc.patch')
| -rw-r--r-- | core/systemd/0001-polkit-Avoid-race-condition-in-scraping-proc.patch | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/core/systemd/0001-polkit-Avoid-race-condition-in-scraping-proc.patch b/core/systemd/0001-polkit-Avoid-race-condition-in-scraping-proc.patch deleted file mode 100644 index d3c09781c..000000000 --- a/core/systemd/0001-polkit-Avoid-race-condition-in-scraping-proc.patch +++ /dev/null @@ -1,75 +0,0 @@ -From 72fd713962ca2c2450e23b01d9e22017a7e28fd4 Mon Sep 17 00:00:00 2001 -From: Colin Walters <walters@verbum.org> -Date: Thu, 22 Aug 2013 13:55:21 -0400 -Subject: [PATCH] polkit: Avoid race condition in scraping /proc - -If a calling process execve()s a setuid program, it can appear to be -uid 0. Since we're receiving requests over DBus, avoid this by simply -passing system-bus-name as a subject. ---- - src/shared/polkit.c | 31 +++++-------------------------- - 1 file changed, 5 insertions(+), 26 deletions(-) - -diff --git a/src/shared/polkit.c b/src/shared/polkit.c -index cea7074..1c5e9e3 100644 ---- a/src/shared/polkit.c -+++ b/src/shared/polkit.c -@@ -38,12 +38,8 @@ int verify_polkit( - - #ifdef ENABLE_POLKIT - DBusMessage *m = NULL, *reply = NULL; -- const char *unix_process = "unix-process", *pid = "pid", *starttime = "start-time", *cancel_id = ""; -+ const char *system_bus_name = "system-bus-name", *name = "name", *cancel_id = ""; - uint32_t flags = interactive ? 1 : 0; -- pid_t pid_raw; -- uint32_t pid_u32; -- unsigned long long starttime_raw; -- uint64_t starttime_u64; - DBusMessageIter iter_msg, iter_struct, iter_array, iter_dict, iter_variant; - int r; - dbus_bool_t authorized = FALSE, challenge = FALSE; -@@ -68,14 +64,6 @@ int verify_polkit( - - #ifdef ENABLE_POLKIT - -- pid_raw = bus_get_unix_process_id(c, sender, error); -- if (pid_raw == 0) -- return -EINVAL; -- -- r = get_starttime_of_pid(pid_raw, &starttime_raw); -- if (r < 0) -- return r; -- - m = dbus_message_new_method_call( - "org.freedesktop.PolicyKit1", - "/org/freedesktop/PolicyKit1/Authority", -@@ -86,22 +74,13 @@ int verify_polkit( - - dbus_message_iter_init_append(m, &iter_msg); - -- pid_u32 = (uint32_t) pid_raw; -- starttime_u64 = (uint64_t) starttime_raw; -- - if (!dbus_message_iter_open_container(&iter_msg, DBUS_TYPE_STRUCT, NULL, &iter_struct) || -- !dbus_message_iter_append_basic(&iter_struct, DBUS_TYPE_STRING, &unix_process) || -+ !dbus_message_iter_append_basic(&iter_struct, DBUS_TYPE_STRING, &system_bus_name) || - !dbus_message_iter_open_container(&iter_struct, DBUS_TYPE_ARRAY, "{sv}", &iter_array) || - !dbus_message_iter_open_container(&iter_array, DBUS_TYPE_DICT_ENTRY, NULL, &iter_dict) || -- !dbus_message_iter_append_basic(&iter_dict, DBUS_TYPE_STRING, &pid) || -- !dbus_message_iter_open_container(&iter_dict, DBUS_TYPE_VARIANT, "u", &iter_variant) || -- !dbus_message_iter_append_basic(&iter_variant, DBUS_TYPE_UINT32, &pid_u32) || -- !dbus_message_iter_close_container(&iter_dict, &iter_variant) || -- !dbus_message_iter_close_container(&iter_array, &iter_dict) || -- !dbus_message_iter_open_container(&iter_array, DBUS_TYPE_DICT_ENTRY, NULL, &iter_dict) || -- !dbus_message_iter_append_basic(&iter_dict, DBUS_TYPE_STRING, &starttime) || -- !dbus_message_iter_open_container(&iter_dict, DBUS_TYPE_VARIANT, "t", &iter_variant) || -- !dbus_message_iter_append_basic(&iter_variant, DBUS_TYPE_UINT64, &starttime_u64) || -+ !dbus_message_iter_append_basic(&iter_dict, DBUS_TYPE_STRING, &name) || -+ !dbus_message_iter_open_container(&iter_dict, DBUS_TYPE_VARIANT, "s", &iter_variant) || -+ !dbus_message_iter_append_basic(&iter_variant, DBUS_TYPE_STRING, &sender) || - !dbus_message_iter_close_container(&iter_dict, &iter_variant) || - !dbus_message_iter_close_container(&iter_array, &iter_dict) || - !dbus_message_iter_close_container(&iter_struct, &iter_array) || --- -1.8.4 - |