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shared/bus-util: fix dbus serialization of {RestartPrevent,RestartForce,Success}ExitStatus
We were passing 1/4th of the size in bytes as argument. So depending on the size of the array, either we'd only transfer a subset of values, or we'd get an alignment error.
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@ -159,18 +159,18 @@ static int bus_set_transient_exit_status(
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sd_bus_error *error) {
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const int32_t *status, *signal;
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size_t sz_status, sz_signal, i;
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size_t n_status, n_signal, i;
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int r;
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r = sd_bus_message_enter_container(message, 'r', "aiai");
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if (r < 0)
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return r;
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r = sd_bus_message_read_array(message, 'i', (const void **) &status, &sz_status);
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r = sd_bus_message_read_array(message, 'i', (const void **) &status, &n_status);
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if (r < 0)
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return r;
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r = sd_bus_message_read_array(message, 'i', (const void **) &signal, &sz_signal);
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r = sd_bus_message_read_array(message, 'i', (const void **) &signal, &n_signal);
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if (r < 0)
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return r;
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@ -178,16 +178,16 @@ static int bus_set_transient_exit_status(
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if (r < 0)
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return r;
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sz_status /= sizeof(int32_t);
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sz_signal /= sizeof(int32_t);
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n_status /= sizeof(int32_t);
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n_signal /= sizeof(int32_t);
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if (sz_status == 0 && sz_signal == 0 && !UNIT_WRITE_FLAGS_NOOP(flags)) {
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if (n_status == 0 && n_signal == 0 && !UNIT_WRITE_FLAGS_NOOP(flags)) {
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exit_status_set_free(status_set);
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unit_write_settingf(u, flags, name, "%s=", name);
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return 1;
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}
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for (i = 0; i < sz_status; i++) {
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for (i = 0; i < n_status; i++) {
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if (status[i] < 0 || status[i] > 255)
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return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid status code in %s: %"PRIi32, name, status[i]);
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@ -200,7 +200,7 @@ static int bus_set_transient_exit_status(
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}
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}
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for (i = 0; i < sz_signal; i++) {
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for (i = 0; i < n_signal; i++) {
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const char *str;
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str = signal_to_string((int) signal[i]);
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@ -1439,7 +1439,7 @@ static int bus_append_service_property(sd_bus_message *m, const char *field, con
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if (STR_IN_SET(field, "RestartPreventExitStatus", "RestartForceExitStatus", "SuccessExitStatus")) {
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_cleanup_free_ int *status = NULL, *signal = NULL;
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size_t sz_status = 0, sz_signal = 0;
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size_t n_status = 0, n_signal = 0;
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const char *p;
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for (p = eq;;) {
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@ -1460,17 +1460,17 @@ static int bus_append_service_property(sd_bus_message *m, const char *field, con
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if (val < 0)
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return log_error_errno(r, "Invalid status or signal %s in %s: %m", word, field);
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signal = reallocarray(signal, sz_signal + 1, sizeof(int));
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signal = reallocarray(signal, n_signal + 1, sizeof(int));
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if (!signal)
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return log_oom();
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signal[sz_signal++] = val;
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signal[n_signal++] = val;
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} else {
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status = reallocarray(status, sz_status + 1, sizeof(int));
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status = reallocarray(status, n_status + 1, sizeof(int));
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if (!status)
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return log_oom();
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status[sz_status++] = val;
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status[n_status++] = val;
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}
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}
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@ -1490,11 +1490,11 @@ static int bus_append_service_property(sd_bus_message *m, const char *field, con
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_append_array(m, 'i', status, sz_status);
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r = sd_bus_message_append_array(m, 'i', status, n_status * sizeof(int));
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_append_array(m, 'i', signal, sz_signal);
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r = sd_bus_message_append_array(m, 'i', signal, n_signal * sizeof(int));
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if (r < 0)
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return bus_log_create_error(r);
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@ -4911,17 +4911,17 @@ static int print_property(const char *name, const char *expected_value, sd_bus_m
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} else if (endswith(name, "ExitStatus") && streq(contents, "aiai")) {
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const int32_t *status, *signal;
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size_t sz_status, sz_signal, i;
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size_t n_status, n_signal, i;
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r = sd_bus_message_enter_container(m, 'r', "aiai");
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if (r < 0)
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return bus_log_parse_error(r);
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r = sd_bus_message_read_array(m, 'i', (const void **) &status, &sz_status);
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r = sd_bus_message_read_array(m, 'i', (const void **) &status, &n_status);
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if (r < 0)
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return bus_log_parse_error(r);
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r = sd_bus_message_read_array(m, 'i', (const void **) &signal, &sz_signal);
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r = sd_bus_message_read_array(m, 'i', (const void **) &signal, &n_signal);
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if (r < 0)
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return bus_log_parse_error(r);
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@ -4929,10 +4929,10 @@ static int print_property(const char *name, const char *expected_value, sd_bus_m
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if (r < 0)
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return bus_log_parse_error(r);
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sz_status /= sizeof(int32_t);
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sz_signal /= sizeof(int32_t);
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n_status /= sizeof(int32_t);
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n_signal /= sizeof(int32_t);
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if (all || sz_status > 0 || sz_signal > 0) {
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if (all || n_status > 0 || n_signal > 0) {
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bool first = true;
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if (!value) {
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@ -4940,7 +4940,7 @@ static int print_property(const char *name, const char *expected_value, sd_bus_m
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fputc('=', stdout);
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}
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for (i = 0; i < sz_status; i++) {
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for (i = 0; i < n_status; i++) {
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if (status[i] < 0 || status[i] > 255)
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continue;
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@ -4952,7 +4952,7 @@ static int print_property(const char *name, const char *expected_value, sd_bus_m
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printf("%"PRIi32, status[i]);
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}
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for (i = 0; i < sz_signal; i++) {
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for (i = 0; i < n_signal; i++) {
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const char *str;
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str = signal_to_string((int) signal[i]);
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