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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-12 03:50:40 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-12 03:50:40 +0000
commitfc53809803cd2bc2434e312b19a18fa36776da12 (patch)
treeb4b43bd6538f51965ce32856e9c053d0f90919c8 /src/core/bpf-socket-bind.c
parentAdding upstream version 255.5. (diff)
downloadsystemd-fc53809803cd2bc2434e312b19a18fa36776da12.tar.xz
systemd-fc53809803cd2bc2434e312b19a18fa36776da12.zip
Adding upstream version 256.upstream/256
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/core/bpf-socket-bind.c')
-rw-r--r--src/core/bpf-socket-bind.c51
1 files changed, 34 insertions, 17 deletions
diff --git a/src/core/bpf-socket-bind.c b/src/core/bpf-socket-bind.c
index 88ab487..2a1a027 100644
--- a/src/core/bpf-socket-bind.c
+++ b/src/core/bpf-socket-bind.c
@@ -148,13 +148,18 @@ int bpf_socket_bind_add_initial_link_fd(Unit *u, int fd) {
assert(u);
- if (!u->initial_socket_bind_link_fds) {
- u->initial_socket_bind_link_fds = fdset_new();
- if (!u->initial_socket_bind_link_fds)
+ CGroupRuntime *crt = unit_get_cgroup_runtime(u);
+ if (!crt)
+ return log_unit_error_errno(u, SYNTHETIC_ERRNO(EINVAL),
+ "Failed to get control group runtime object.");
+
+ if (!crt->initial_socket_bind_link_fds) {
+ crt->initial_socket_bind_link_fds = fdset_new();
+ if (!crt->initial_socket_bind_link_fds)
return log_oom();
}
- r = fdset_put(u->initial_socket_bind_link_fds, fd);
+ r = fdset_put(crt->initial_socket_bind_link_fds, fd);
if (r < 0)
return log_unit_error_errno(u, r, "bpf-socket-bind: Failed to put BPF fd %d to initial fdset", fd);
@@ -167,6 +172,7 @@ static int socket_bind_install_impl(Unit *u) {
_cleanup_free_ char *cgroup_path = NULL;
_cleanup_close_ int cgroup_fd = -EBADF;
CGroupContext *cc;
+ CGroupRuntime *crt;
int r;
assert(u);
@@ -175,7 +181,11 @@ static int socket_bind_install_impl(Unit *u) {
if (!cc)
return 0;
- r = cg_get_path(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path, NULL, &cgroup_path);
+ crt = unit_get_cgroup_runtime(u);
+ if (!crt)
+ return 0;
+
+ r = cg_get_path(SYSTEMD_CGROUP_CONTROLLER, crt->cgroup_path, NULL, &cgroup_path);
if (r < 0)
return log_unit_error_errno(u, r, "bpf-socket-bind: Failed to get cgroup path: %m");
@@ -191,46 +201,53 @@ static int socket_bind_install_impl(Unit *u) {
return log_unit_error_errno(u, errno, "bpf-socket-bind: Failed to open cgroup %s for reading: %m", cgroup_path);
ipv4 = sym_bpf_program__attach_cgroup(obj->progs.sd_bind4, cgroup_fd);
- r = sym_libbpf_get_error(ipv4);
+ r = bpf_get_error_translated(ipv4);
if (r != 0)
return log_unit_error_errno(u, r, "bpf-socket-bind: Failed to link '%s' cgroup-bpf program: %m",
sym_bpf_program__name(obj->progs.sd_bind4));
ipv6 = sym_bpf_program__attach_cgroup(obj->progs.sd_bind6, cgroup_fd);
- r = sym_libbpf_get_error(ipv6);
+ r = bpf_get_error_translated(ipv6);
if (r != 0)
return log_unit_error_errno(u, r, "bpf-socket-bind: Failed to link '%s' cgroup-bpf program: %m",
sym_bpf_program__name(obj->progs.sd_bind6));
- u->ipv4_socket_bind_link = TAKE_PTR(ipv4);
- u->ipv6_socket_bind_link = TAKE_PTR(ipv6);
+ crt->ipv4_socket_bind_link = TAKE_PTR(ipv4);
+ crt->ipv6_socket_bind_link = TAKE_PTR(ipv6);
return 0;
}
int bpf_socket_bind_install(Unit *u) {
+ CGroupRuntime *crt;
int r;
assert(u);
- r = socket_bind_install_impl(u);
- if (r == -ENOMEM)
- return r;
+ crt = unit_get_cgroup_runtime(u);
+ if (!crt)
+ return 0;
- fdset_close(u->initial_socket_bind_link_fds);
+ r = socket_bind_install_impl(u);
+ fdset_close(crt->initial_socket_bind_link_fds);
return r;
}
-int bpf_serialize_socket_bind(Unit *u, FILE *f, FDSet *fds) {
+int bpf_socket_bind_serialize(Unit *u, FILE *f, FDSet *fds) {
+ CGroupRuntime *crt;
int r;
assert(u);
- r = bpf_serialize_link(f, fds, "ipv4-socket-bind-bpf-link", u->ipv4_socket_bind_link);
+ crt = unit_get_cgroup_runtime(u);
+ if (!crt)
+ return 0;
+
+ r = bpf_serialize_link(f, fds, "ipv4-socket-bind-bpf-link", crt->ipv4_socket_bind_link);
if (r < 0)
return r;
- return bpf_serialize_link(f, fds, "ipv6-socket-bind-bpf-link", u->ipv6_socket_bind_link);
+ return bpf_serialize_link(f, fds, "ipv6-socket-bind-bpf-link", crt->ipv6_socket_bind_link);
}
#else /* ! BPF_FRAMEWORK */
@@ -247,7 +264,7 @@ int bpf_socket_bind_install(Unit *u) {
"bpf-socket-bind: Failed to install; BPF framework is not supported");
}
-int bpf_serialize_socket_bind(Unit *u, FILE *f, FDSet *fds) {
+int bpf_socket_bind_serialize(Unit *u, FILE *f, FDSet *fds) {
return 0;
}
#endif