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path: root/src/libsystemd/sd-bus/bus-control.c
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Diffstat (limited to 'src/libsystemd/sd-bus/bus-control.c')
-rw-r--r--src/libsystemd/sd-bus/bus-control.c81
1 files changed, 62 insertions, 19 deletions
diff --git a/src/libsystemd/sd-bus/bus-control.c b/src/libsystemd/sd-bus/bus-control.c
index 06e5b4fd9a..43ddfc651d 100644
--- a/src/libsystemd/sd-bus/bus-control.c
+++ b/src/libsystemd/sd-bus/bus-control.c
@@ -34,7 +34,6 @@
#include "bus-bloom.h"
#include "bus-util.h"
#include "capability.h"
-#include "cgroup-util.h"
_public_ int sd_bus_get_unique_name(sd_bus *bus, const char **unique) {
int r;
@@ -43,6 +42,9 @@ _public_ int sd_bus_get_unique_name(sd_bus *bus, const char **unique) {
assert_return(unique, -EINVAL);
assert_return(!bus_pid_changed(bus), -ECHILD);
+ if (!bus->bus_client)
+ return -EINVAL;
+
r = bus_ensure_running(bus);
if (r < 0)
return r;
@@ -77,7 +79,7 @@ static int bus_request_name_kernel(sd_bus *bus, const char *name, uint64_t flags
if (r < 0)
return -errno;
- if (n->flags & KDBUS_NAME_IN_QUEUE)
+ if (n->return_flags & KDBUS_NAME_IN_QUEUE)
return 0;
return 1;
@@ -131,12 +133,14 @@ static int bus_request_name_dbus1(sd_bus *bus, const char *name, uint64_t flags)
_public_ int sd_bus_request_name(sd_bus *bus, const char *name, uint64_t flags) {
assert_return(bus, -EINVAL);
assert_return(name, -EINVAL);
- assert_return(bus->bus_client, -EINVAL);
assert_return(!bus_pid_changed(bus), -ECHILD);
assert_return(!(flags & ~(SD_BUS_NAME_ALLOW_REPLACEMENT|SD_BUS_NAME_REPLACE_EXISTING|SD_BUS_NAME_QUEUE)), -EINVAL);
assert_return(service_name_is_valid(name), -EINVAL);
assert_return(name[0] != ':', -EINVAL);
+ if (!bus->bus_client)
+ return -EINVAL;
+
/* Don't allow requesting the special driver and local names */
if (STR_IN_SET(name, "org.freedesktop.DBus", "org.freedesktop.DBus.Local"))
return -EINVAL;
@@ -214,11 +218,13 @@ static int bus_release_name_dbus1(sd_bus *bus, const char *name) {
_public_ int sd_bus_release_name(sd_bus *bus, const char *name) {
assert_return(bus, -EINVAL);
assert_return(name, -EINVAL);
- assert_return(bus->bus_client, -EINVAL);
assert_return(!bus_pid_changed(bus), -ECHILD);
assert_return(service_name_is_valid(name), -EINVAL);
assert_return(name[0] != ':', -EINVAL);
+ if (!bus->bus_client)
+ return -EINVAL;
+
/* Don't allow releasing the special driver and local names */
if (STR_IN_SET(name, "org.freedesktop.DBus", "org.freedesktop.DBus.Local"))
return -EINVAL;
@@ -375,6 +381,9 @@ _public_ int sd_bus_list_names(sd_bus *bus, char ***acquired, char ***activatabl
assert_return(acquired || activatable, -EINVAL);
assert_return(!bus_pid_changed(bus), -ECHILD);
+ if (!bus->bus_client)
+ return -EINVAL;
+
if (!BUS_IS_OPEN(bus->state))
return -ENOTCONN;
@@ -414,6 +423,26 @@ static int bus_populate_creds_from_items(
c->mask |= SD_BUS_CREDS_TID;
}
+ if (mask & SD_BUS_CREDS_PPID) {
+ if (item->pids.ppid > 0) {
+ c->ppid = (pid_t) item->pids.ppid;
+ c->mask |= SD_BUS_CREDS_PPID;
+ } else if (item->pids.pid == 1) {
+ /* The structure doesn't
+ * really distinguish the case
+ * where a process has no
+ * parent and where we don't
+ * know it because it could
+ * not be translated due to
+ * namespaces. However, we
+ * know that PID 1 has no
+ * parent process, hence let's
+ * patch that in, manually. */
+ c->ppid = 0;
+ c->mask |= SD_BUS_CREDS_PPID;
+ }
+ }
+
break;
case KDBUS_ITEM_CREDS:
@@ -551,12 +580,12 @@ static int bus_populate_creds_from_items(
break;
case KDBUS_ITEM_AUDIT:
- if (mask & SD_BUS_CREDS_AUDIT_SESSION_ID && (uint32_t) item->audit.sessionid != (uint32_t) -1) {
+ if (mask & SD_BUS_CREDS_AUDIT_SESSION_ID) {
c->audit_session_id = (uint32_t) item->audit.sessionid;
c->mask |= SD_BUS_CREDS_AUDIT_SESSION_ID;
}
- if (mask & SD_BUS_CREDS_AUDIT_LOGIN_UID && (uid_t) item->audit.loginuid != UID_INVALID) {
+ if (mask & SD_BUS_CREDS_AUDIT_LOGIN_UID) {
c->audit_login_uid = (uid_t) item->audit.loginuid;
c->mask |= SD_BUS_CREDS_AUDIT_LOGIN_UID;
}
@@ -584,16 +613,17 @@ static int bus_populate_creds_from_items(
case KDBUS_ITEM_AUXGROUPS:
if (mask & SD_BUS_CREDS_SUPPLEMENTARY_GIDS) {
- size_t n;
+ size_t i, n;
uid_t *g;
- assert_cc(sizeof(gid_t) == sizeof(uint32_t));
-
- n = (item->size - offsetof(struct kdbus_item, data32)) / sizeof(uint32_t);
- g = newdup(gid_t, item->data32, n);
+ n = (item->size - offsetof(struct kdbus_item, data64)) / sizeof(uint64_t);
+ g = new(gid_t, n);
if (!g)
return -ENOMEM;
+ for (i = 0; i < n; i++)
+ g[i] = item->data64[i];
+
free(c->supplementary_gids);
c->supplementary_gids = g;
c->n_supplementary_gids = n;
@@ -622,7 +652,7 @@ int bus_get_name_creds_kdbus(
int r;
if (streq(name, "org.freedesktop.DBus"))
- return -ENOTSUP;
+ return -EOPNOTSUPP;
r = bus_kernel_parse_unique_name(name, &id);
if (r < 0)
@@ -644,7 +674,8 @@ int bus_get_name_creds_kdbus(
* the bits we want, then ask for the PID/TID so that we
* can read the rest from /proc. */
if ((mask & SD_BUS_CREDS_AUGMENT) &&
- (mask & (SD_BUS_CREDS_UID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SUID|SD_BUS_CREDS_FSUID|
+ (mask & (SD_BUS_CREDS_PPID|
+ SD_BUS_CREDS_UID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SUID|SD_BUS_CREDS_FSUID|
SD_BUS_CREDS_GID|SD_BUS_CREDS_EGID|SD_BUS_CREDS_SGID|SD_BUS_CREDS_FSGID|
SD_BUS_CREDS_COMM|SD_BUS_CREDS_TID_COMM|SD_BUS_CREDS_EXE|SD_BUS_CREDS_CMDLINE|
SD_BUS_CREDS_CGROUP|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_USER_UNIT|SD_BUS_CREDS_SLICE|SD_BUS_CREDS_SESSION|SD_BUS_CREDS_OWNER_UID|
@@ -654,7 +685,7 @@ int bus_get_name_creds_kdbus(
mask |= SD_BUS_CREDS_PID;
cmd->size = size;
- cmd->flags = attach_flags_to_kdbus(mask);
+ cmd->attach_flags = attach_flags_to_kdbus(mask);
r = ioctl(bus->input_fd, KDBUS_CMD_CONN_INFO, cmd);
if (r < 0)
@@ -875,11 +906,13 @@ _public_ int sd_bus_get_name_creds(
assert_return(bus, -EINVAL);
assert_return(name, -EINVAL);
- assert_return((mask & ~SD_BUS_CREDS_AUGMENT) <= _SD_BUS_CREDS_ALL, -ENOTSUP);
+ assert_return((mask & ~SD_BUS_CREDS_AUGMENT) <= _SD_BUS_CREDS_ALL, -EOPNOTSUPP);
assert_return(mask == 0 || creds, -EINVAL);
assert_return(!bus_pid_changed(bus), -ECHILD);
assert_return(service_name_is_valid(name), -EINVAL);
- assert_return(bus->bus_client, -ENODATA);
+
+ if (!bus->bus_client)
+ return -EINVAL;
if (streq(name, "org.freedesktop.DBus.Local"))
return -EINVAL;
@@ -910,7 +943,8 @@ static int bus_get_owner_creds_kdbus(sd_bus *bus, uint64_t mask, sd_bus_creds **
* to get the bits we want, then ask for the PID/TID so that we
* can read the rest from /proc. */
if ((mask & SD_BUS_CREDS_AUGMENT) &&
- (mask & (SD_BUS_CREDS_UID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SUID|SD_BUS_CREDS_FSUID|
+ (mask & (SD_BUS_CREDS_PPID|
+ SD_BUS_CREDS_UID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SUID|SD_BUS_CREDS_FSUID|
SD_BUS_CREDS_GID|SD_BUS_CREDS_EGID|SD_BUS_CREDS_SGID|SD_BUS_CREDS_FSGID|
SD_BUS_CREDS_COMM|SD_BUS_CREDS_TID_COMM|SD_BUS_CREDS_EXE|SD_BUS_CREDS_CMDLINE|
SD_BUS_CREDS_CGROUP|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_USER_UNIT|SD_BUS_CREDS_SLICE|SD_BUS_CREDS_SESSION|SD_BUS_CREDS_OWNER_UID|
@@ -919,7 +953,7 @@ static int bus_get_owner_creds_kdbus(sd_bus *bus, uint64_t mask, sd_bus_creds **
SD_BUS_CREDS_AUDIT_SESSION_ID|SD_BUS_CREDS_AUDIT_LOGIN_UID)))
mask |= SD_BUS_CREDS_PID;
- cmd.flags = attach_flags_to_kdbus(mask);
+ cmd.attach_flags = attach_flags_to_kdbus(mask);
r = ioctl(bus->input_fd, KDBUS_CMD_BUS_CREATOR_INFO, &cmd);
if (r < 0)
@@ -989,7 +1023,7 @@ static int bus_get_owner_creds_dbus1(sd_bus *bus, uint64_t mask, sd_bus_creds **
_public_ int sd_bus_get_owner_creds(sd_bus *bus, uint64_t mask, sd_bus_creds **ret) {
assert_return(bus, -EINVAL);
- assert_return((mask & ~SD_BUS_CREDS_AUGMENT) <= _SD_BUS_CREDS_ALL, -ENOTSUP);
+ assert_return((mask & ~SD_BUS_CREDS_AUGMENT) <= _SD_BUS_CREDS_ALL, -EOPNOTSUPP);
assert_return(ret, -EINVAL);
assert_return(!bus_pid_changed(bus), -ECHILD);
@@ -1393,6 +1427,9 @@ int bus_add_match_internal(
assert(bus);
+ if (!bus->bus_client)
+ return -EINVAL;
+
if (bus->is_kernel)
return bus_add_match_internal_kernel(bus, components, n_components, cookie);
else
@@ -1452,6 +1489,9 @@ int bus_remove_match_internal(
assert(bus);
+ if (!bus->bus_client)
+ return -EINVAL;
+
if (bus->is_kernel)
return bus_remove_match_internal_kernel(bus, cookie);
else
@@ -1469,6 +1509,9 @@ _public_ int sd_bus_get_name_machine_id(sd_bus *bus, const char *name, sd_id128_
assert_return(!bus_pid_changed(bus), -ECHILD);
assert_return(service_name_is_valid(name), -EINVAL);
+ if (!bus->bus_client)
+ return -EINVAL;
+
if (!BUS_IS_OPEN(bus->state))
return -ENOTCONN;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-23 07:38:47 +0000