X-Git-Url: https://uglyman.kremlin.cc/gitweb/gitweb.cgi?p=systembsd.git;a=blobdiff_plain;f=src%2Finterfaces%2Ftimedated%2Ftimedated.c;h=61a48cb4873c47afcccf6c721cb8638a21aa4537;hp=c5d6bdf8bb87a208867c0452563828e35dfd98f1;hb=644bae40970b7fdc5731db4c3e4ee93a1a436a22;hpb=03f12ac7edc62424667774b00fd250fe54879c29 diff --git a/src/interfaces/timedated/timedated.c b/src/interfaces/timedated/timedated.c index c5d6bdf..61a48cb 100644 --- a/src/interfaces/timedated/timedated.c +++ b/src/interfaces/timedated/timedated.c @@ -19,6 +19,7 @@ #include #include +#include #include #include @@ -56,15 +57,108 @@ static struct timezone_checksum_pair tz_table[5000]; /* --- begin method/property/dbus signal code --- */ static gboolean -on_handle_set_time(Timedate1 *hn1_passed_interf, +on_handle_set_time(Timedate1 *td1_passed_interf, GDBusMethodInvocation *invoc, const gchar *greet, gpointer data) { - return FALSE; + + GVariant *params; + gint64 proposed_time, cur_time; + const gchar *bus_name; + gboolean policykit_auth; + check_auth_result is_authed; + gboolean relative; /* relative if passed time_t is meant to be added to current time */ + struct timespec *new_time; + + params = g_dbus_method_invocation_get_parameters(invoc); + g_variant_get(params, "(xbb)", &proposed_time, &relative, &policykit_auth); + bus_name = g_dbus_method_invocation_get_sender(invoc); + + is_authed = polkit_try_auth(bus_name, "org.freedesktop.timedate1.set-time", policykit_auth); + + switch(is_authed) { + + case AUTHORIZED_NATIVELY: + case AUTHORIZED_BY_PROMPT: + break; + + case UNAUTHORIZED_NATIVELY: + case UNAUTHORIZED_FAILED_PROMPT: + g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EACCES", "Insufficient permissions to set system time."); + return FALSE; + + case ERROR_BADBUS: + g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EFAULT", "Provided bus name is invalid."); + return FALSE; + + case ERROR_BADACTION: + g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EFAULT", "Provided action ID is invalid."); + return FALSE; + + case ERROR_GENERIC: + default: + g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.ECANCELED", "Failed to set system time for unknown reasons."); + return FALSE; + } + + if(!proposed_time) { + + timedate1_complete_set_time(td1_passed_interf, invoc); + return TRUE; + + } else if(relative) { + + cur_time = g_get_real_time(); + + if(proposed_time < 0 && cur_time + proposed_time > cur_time) { + + g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EINVAL", "Resultant time out of bounds."); + return FALSE; + + } else if(proposed_time > 0 && cur_time + proposed_time < cur_time) { + + g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EINVAL", "Resultant time out of bounds."); + return FALSE; + } + + new_time = mktimespec(proposed_time); + + if(!clock_settime(CLOCK_REALTIME, new_time)) { + + timedate1_complete_set_time(td1_passed_interf, invoc); + return TRUE; + + } else { + + g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.ECANCELED", "Failed to set system time for unknown reasons."); + return FALSE; + } + + } else if(proposed_time > 0) { + + + new_time = mktimespec(proposed_time); + + if(!clock_settime(CLOCK_REALTIME, new_time)) { + + timedate1_complete_set_time(td1_passed_interf, invoc); + return TRUE; + + } else { + + g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.ECANCELED", "Failed to set system time for unknown reasons."); + return FALSE; + } + + } else { + + g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EINVAL", "Resultant time out of bounds."); + return FALSE; + } } static gboolean -on_handle_set_timezone(Timedate1 *hn1_passed_interf, +on_handle_set_timezone(Timedate1 *td1_passed_interf, GDBusMethodInvocation *invoc, const gchar *greet, gpointer data) { @@ -72,7 +166,7 @@ on_handle_set_timezone(Timedate1 *hn1_passed_interf, } static gboolean -on_handle_set_local_rtc(Timedate1 *hn1_passed_interf, +on_handle_set_local_rtc(Timedate1 *td1_passed_interf, GDBusMethodInvocation *invoc, const gchar *greet, gpointer data) { @@ -80,7 +174,7 @@ on_handle_set_local_rtc(Timedate1 *hn1_passed_interf, } static gboolean -on_handle_set_ntp(Timedate1 *hn1_passed_interf, +on_handle_set_ntp(Timedate1 *td1_passed_interf, GDBusMethodInvocation *invoc, const gchar *greet, gpointer data) { @@ -122,7 +216,8 @@ our_get_timezone() { g_printf("%s is not a symlink! attempting to match checksums in %s...\n", OS_LOCALTIME, OS_TIMEZONE_PATH); hash_to_match = get_file_sha256(OS_LOCALTIME); - ret = lookup_hash(hash_to_match); + /* ret = lookup_hash(hash_to_match); */ + return FALSE; /* TODO fix me for real */ if(hash_to_match) g_free(hash_to_match); @@ -278,8 +373,8 @@ int main() { set_signal_handlers(); - if(!build_lookup_table()) - return 1; + /*if(!build_lookup_table()) + return 1; */ timedated_loop = g_main_loop_new(NULL, TRUE); timedated_freeable = g_ptr_array_new(); @@ -353,7 +448,7 @@ static struct timezone_checksum_pair parse_timezone_path(gchar **pair) { return ret; } -/* TODO need to deconstruct tz_table on exit */ +/* TODO need to deconstruct tz_table on exit static gboolean build_lookup_table() { gchar *find_cmd, **map_pairs, *find_output, *path_buf, *sum_buf, **entry_buf; @@ -404,4 +499,32 @@ static gchar *lookup_hash(gchar *hash) { i++; return NULL; +}*/ + +/* takes number of microseconds since epoch and returns a + * ptr to a timespec suitable to be passed to clock_settime(3) + */ +static struct timespec* mktimespec(gint64 us) { + + long nanoseconds; + time_t seconds; + + gint64 div_buf_remainder, div_buf_s, div_buf_ns; + struct timespec *ret; + + div_buf_s = (us / 1000000); /* us / 10^6 = s */ + div_buf_remainder = (us % 1000000); /* fraction of second lost from prev. line */ + div_buf_ns = div_buf_remainder * 1000; /* us * 10^3 = ns */ + + seconds = (time_t) div_buf_s; /* porting note: most systems use 32 bit time, adjust accordingly */ + nanoseconds = (long) div_buf_ns; + + ret = (struct timespec *) calloc(1, sizeof(struct timespec)); + + ret->tv_sec = seconds; + ret->tv_nsec = nanoseconds; + + g_ptr_array_add(timedated_freeable, ret); + + return ret; }