summaryrefslogtreecommitdiff
path: root/src/libsystemd/sd-bus/bus-convenience.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/libsystemd/sd-bus/bus-convenience.c')
-rw-r--r--src/libsystemd/sd-bus/bus-convenience.c177
1 files changed, 104 insertions, 73 deletions
diff --git a/src/libsystemd/sd-bus/bus-convenience.c b/src/libsystemd/sd-bus/bus-convenience.c
index dfd82e746d..2d06bf541f 100644
--- a/src/libsystemd/sd-bus/bus-convenience.c
+++ b/src/libsystemd/sd-bus/bus-convenience.c
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
/***
This file is part of systemd.
@@ -22,8 +20,9 @@
#include "bus-internal.h"
#include "bus-message.h"
#include "bus-signature.h"
-#include "bus-util.h"
#include "bus-type.h"
+#include "bus-util.h"
+#include "string-util.h"
_public_ int sd_bus_emit_signal(
sd_bus *bus,
@@ -32,7 +31,7 @@ _public_ int sd_bus_emit_signal(
const char *member,
const char *types, ...) {
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
int r;
assert_return(bus, -EINVAL);
@@ -69,7 +68,7 @@ _public_ int sd_bus_call_method_async(
void *userdata,
const char *types, ...) {
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
int r;
assert_return(bus, -EINVAL);
@@ -105,18 +104,20 @@ _public_ int sd_bus_call_method(
sd_bus_message **reply,
const char *types, ...) {
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
int r;
- assert_return(bus, -EINVAL);
- assert_return(!bus_pid_changed(bus), -ECHILD);
+ bus_assert_return(bus, -EINVAL, error);
+ bus_assert_return(!bus_pid_changed(bus), -ECHILD, error);
- if (!BUS_IS_OPEN(bus->state))
- return -ENOTCONN;
+ if (!BUS_IS_OPEN(bus->state)) {
+ r = -ENOTCONN;
+ goto fail;
+ }
r = sd_bus_message_new_method_call(bus, &m, destination, path, interface, member);
if (r < 0)
- return r;
+ goto fail;
if (!isempty(types)) {
va_list ap;
@@ -125,17 +126,20 @@ _public_ int sd_bus_call_method(
r = bus_message_append_ap(m, types, ap);
va_end(ap);
if (r < 0)
- return r;
+ goto fail;
}
return sd_bus_call(bus, m, 0, error, reply);
+
+fail:
+ return sd_bus_error_set_errno(error, r);
}
_public_ int sd_bus_reply_method_return(
sd_bus_message *call,
const char *types, ...) {
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
int r;
assert_return(call, -EINVAL);
@@ -171,7 +175,7 @@ _public_ int sd_bus_reply_method_error(
sd_bus_message *call,
const sd_bus_error *e) {
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
int r;
assert_return(call, -EINVAL);
@@ -200,7 +204,7 @@ _public_ int sd_bus_reply_method_errorf(
const char *format,
...) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
va_list ap;
assert_return(call, -EINVAL);
@@ -227,7 +231,7 @@ _public_ int sd_bus_reply_method_errno(
int error,
const sd_bus_error *p) {
- _cleanup_bus_error_free_ sd_bus_error berror = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error berror = SD_BUS_ERROR_NULL;
assert_return(call, -EINVAL);
assert_return(call->sealed, -EPERM);
@@ -255,7 +259,7 @@ _public_ int sd_bus_reply_method_errnof(
const char *format,
...) {
- _cleanup_bus_error_free_ sd_bus_error berror = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error berror = SD_BUS_ERROR_NULL;
va_list ap;
assert_return(call, -EINVAL);
@@ -290,15 +294,17 @@ _public_ int sd_bus_get_property(
sd_bus_message *rep = NULL;
int r;
- assert_return(bus, -EINVAL);
- assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL);
- assert_return(member_name_is_valid(member), -EINVAL);
- assert_return(reply, -EINVAL);
- assert_return(signature_is_single(type, false), -EINVAL);
- assert_return(!bus_pid_changed(bus), -ECHILD);
+ bus_assert_return(bus, -EINVAL, error);
+ bus_assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL, error);
+ bus_assert_return(member_name_is_valid(member), -EINVAL, error);
+ bus_assert_return(reply, -EINVAL, error);
+ bus_assert_return(signature_is_single(type, false), -EINVAL, error);
+ bus_assert_return(!bus_pid_changed(bus), -ECHILD, error);
- if (!BUS_IS_OPEN(bus->state))
- return -ENOTCONN;
+ if (!BUS_IS_OPEN(bus->state)) {
+ r = -ENOTCONN;
+ goto fail;
+ }
r = sd_bus_call_method(bus, destination, path, "org.freedesktop.DBus.Properties", "Get", error, &rep, "ss", strempty(interface), member);
if (r < 0)
@@ -307,11 +313,14 @@ _public_ int sd_bus_get_property(
r = sd_bus_message_enter_container(rep, 'v', type);
if (r < 0) {
sd_bus_message_unref(rep);
- return r;
+ goto fail;
}
*reply = rep;
return 0;
+
+fail:
+ return sd_bus_error_set_errno(error, r);
}
_public_ int sd_bus_get_property_trivial(
@@ -323,18 +332,20 @@ _public_ int sd_bus_get_property_trivial(
sd_bus_error *error,
char type, void *ptr) {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
int r;
- assert_return(bus, -EINVAL);
- assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL);
- assert_return(member_name_is_valid(member), -EINVAL);
- assert_return(bus_type_is_trivial(type), -EINVAL);
- assert_return(ptr, -EINVAL);
- assert_return(!bus_pid_changed(bus), -ECHILD);
+ bus_assert_return(bus, -EINVAL, error);
+ bus_assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL, error);
+ bus_assert_return(member_name_is_valid(member), -EINVAL, error);
+ bus_assert_return(bus_type_is_trivial(type), -EINVAL, error);
+ bus_assert_return(ptr, -EINVAL, error);
+ bus_assert_return(!bus_pid_changed(bus), -ECHILD, error);
- if (!BUS_IS_OPEN(bus->state))
- return -ENOTCONN;
+ if (!BUS_IS_OPEN(bus->state)) {
+ r = -ENOTCONN;
+ goto fail;
+ }
r = sd_bus_call_method(bus, destination, path, "org.freedesktop.DBus.Properties", "Get", error, &reply, "ss", strempty(interface), member);
if (r < 0)
@@ -342,13 +353,16 @@ _public_ int sd_bus_get_property_trivial(
r = sd_bus_message_enter_container(reply, 'v', CHAR_TO_STR(type));
if (r < 0)
- return r;
+ goto fail;
r = sd_bus_message_read_basic(reply, type, ptr);
if (r < 0)
- return r;
+ goto fail;
return 0;
+
+fail:
+ return sd_bus_error_set_errno(error, r);
}
_public_ int sd_bus_get_property_string(
@@ -360,19 +374,21 @@ _public_ int sd_bus_get_property_string(
sd_bus_error *error,
char **ret) {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
const char *s;
char *n;
int r;
- assert_return(bus, -EINVAL);
- assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL);
- assert_return(member_name_is_valid(member), -EINVAL);
- assert_return(ret, -EINVAL);
- assert_return(!bus_pid_changed(bus), -ECHILD);
+ bus_assert_return(bus, -EINVAL, error);
+ bus_assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL, error);
+ bus_assert_return(member_name_is_valid(member), -EINVAL, error);
+ bus_assert_return(ret, -EINVAL, error);
+ bus_assert_return(!bus_pid_changed(bus), -ECHILD, error);
- if (!BUS_IS_OPEN(bus->state))
- return -ENOTCONN;
+ if (!BUS_IS_OPEN(bus->state)) {
+ r = -ENOTCONN;
+ goto fail;
+ }
r = sd_bus_call_method(bus, destination, path, "org.freedesktop.DBus.Properties", "Get", error, &reply, "ss", strempty(interface), member);
if (r < 0)
@@ -380,18 +396,23 @@ _public_ int sd_bus_get_property_string(
r = sd_bus_message_enter_container(reply, 'v', "s");
if (r < 0)
- return r;
+ goto fail;
r = sd_bus_message_read_basic(reply, 's', &s);
if (r < 0)
- return r;
+ goto fail;
n = strdup(s);
- if (!n)
- return -ENOMEM;
+ if (!n) {
+ r = -ENOMEM;
+ goto fail;
+ }
*ret = n;
return 0;
+
+fail:
+ return sd_bus_error_set_errno(error, r);
}
_public_ int sd_bus_get_property_strv(
@@ -403,17 +424,19 @@ _public_ int sd_bus_get_property_strv(
sd_bus_error *error,
char ***ret) {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
int r;
- assert_return(bus, -EINVAL);
- assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL);
- assert_return(member_name_is_valid(member), -EINVAL);
- assert_return(ret, -EINVAL);
- assert_return(!bus_pid_changed(bus), -ECHILD);
+ bus_assert_return(bus, -EINVAL, error);
+ bus_assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL, error);
+ bus_assert_return(member_name_is_valid(member), -EINVAL, error);
+ bus_assert_return(ret, -EINVAL, error);
+ bus_assert_return(!bus_pid_changed(bus), -ECHILD, error);
- if (!BUS_IS_OPEN(bus->state))
- return -ENOTCONN;
+ if (!BUS_IS_OPEN(bus->state)) {
+ r = -ENOTCONN;
+ goto fail;
+ }
r = sd_bus_call_method(bus, destination, path, "org.freedesktop.DBus.Properties", "Get", error, &reply, "ss", strempty(interface), member);
if (r < 0)
@@ -421,13 +444,16 @@ _public_ int sd_bus_get_property_strv(
r = sd_bus_message_enter_container(reply, 'v', NULL);
if (r < 0)
- return r;
+ goto fail;
r = sd_bus_message_read_strv(reply, ret);
if (r < 0)
- return r;
+ goto fail;
return 0;
+
+fail:
+ return sd_bus_error_set_errno(error, r);
}
_public_ int sd_bus_set_property(
@@ -439,42 +465,47 @@ _public_ int sd_bus_set_property(
sd_bus_error *error,
const char *type, ...) {
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
va_list ap;
int r;
- assert_return(bus, -EINVAL);
- assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL);
- assert_return(member_name_is_valid(member), -EINVAL);
- assert_return(signature_is_single(type, false), -EINVAL);
- assert_return(!bus_pid_changed(bus), -ECHILD);
+ bus_assert_return(bus, -EINVAL, error);
+ bus_assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL, error);
+ bus_assert_return(member_name_is_valid(member), -EINVAL, error);
+ bus_assert_return(signature_is_single(type, false), -EINVAL, error);
+ bus_assert_return(!bus_pid_changed(bus), -ECHILD, error);
- if (!BUS_IS_OPEN(bus->state))
- return -ENOTCONN;
+ if (!BUS_IS_OPEN(bus->state)) {
+ r = -ENOTCONN;
+ goto fail;
+ }
r = sd_bus_message_new_method_call(bus, &m, destination, path, "org.freedesktop.DBus.Properties", "Set");
if (r < 0)
- return r;
+ goto fail;
r = sd_bus_message_append(m, "ss", strempty(interface), member);
if (r < 0)
- return r;
+ goto fail;
r = sd_bus_message_open_container(m, 'v', type);
if (r < 0)
- return r;
+ goto fail;
va_start(ap, type);
r = bus_message_append_ap(m, type, ap);
va_end(ap);
if (r < 0)
- return r;
+ goto fail;
r = sd_bus_message_close_container(m);
if (r < 0)
- return r;
+ goto fail;
return sd_bus_call(bus, m, 0, error, NULL);
+
+fail:
+ return sd_bus_error_set_errno(error, r);
}
_public_ int sd_bus_query_sender_creds(sd_bus_message *call, uint64_t mask, sd_bus_creds **creds) {
@@ -522,7 +553,7 @@ _public_ int sd_bus_query_sender_creds(sd_bus_message *call, uint64_t mask, sd_b
}
_public_ int sd_bus_query_sender_privilege(sd_bus_message *call, int capability) {
- _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
+ _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
uid_t our_uid;
bool know_caps = false;
int r;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-14 09:49:29 +0000