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-rw-r--r--src/core/busname.c7
-rw-r--r--src/core/kmod-setup.c3
-rw-r--r--src/core/manager.c23
-rw-r--r--src/core/mount-setup.c2
-rw-r--r--src/core/service.c17
-rw-r--r--src/dbus1-generator/dbus1-generator.c331
-rw-r--r--src/login/pam_systemd.c31
-rw-r--r--src/shared/bus-util.c34
-rw-r--r--src/shared/bus-util.h3
9 files changed, 17 insertions, 434 deletions
diff --git a/src/core/busname.c b/src/core/busname.c
index f03a95c24e..730be2ee14 100644
--- a/src/core/busname.c
+++ b/src/core/busname.c
@@ -998,12 +998,7 @@ static int busname_get_timeout(Unit *u, usec_t *timeout) {
}
static bool busname_supported(void) {
- static int supported = -1;
-
- if (supported < 0)
- supported = is_kdbus_available();
-
- return supported;
+ return false;
}
static int busname_control_pid(Unit *u) {
diff --git a/src/core/kmod-setup.c b/src/core/kmod-setup.c
index 3503db52ed..fd1021f706 100644
--- a/src/core/kmod-setup.c
+++ b/src/core/kmod-setup.c
@@ -64,9 +64,6 @@ int kmod_setup(void) {
/* this should never be a module */
{ "unix", "/proc/net/unix", true, true, NULL },
- /* IPC is needed before we bring up any other services */
- { "kdbus", "/sys/fs/kdbus", false, false, is_kdbus_wanted },
-
#ifdef HAVE_LIBIPTC
/* netfilter is needed by networkd, nspawn among others, and cannot be autoloaded */
{ "ip_tables", "/proc/net/ip_tables_names", false, false, NULL },
diff --git a/src/core/manager.c b/src/core/manager.c
index 5c0fee935d..012aa6cd53 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -814,28 +814,6 @@ static int manager_setup_cgroups_agent(Manager *m) {
return 0;
}
-static int manager_setup_kdbus(Manager *m) {
- _cleanup_free_ char *p = NULL;
-
- assert(m);
-
- if (m->test_run || m->kdbus_fd >= 0)
- return 0;
- if (!is_kdbus_available())
- return -ESOCKTNOSUPPORT;
-
- m->kdbus_fd = bus_kernel_create_bus(
- MANAGER_IS_SYSTEM(m) ? "system" : "user",
- MANAGER_IS_SYSTEM(m), &p);
-
- if (m->kdbus_fd < 0)
- return log_debug_errno(m->kdbus_fd, "Failed to set up kdbus: %m");
-
- log_debug("Successfully set up kdbus on %s", p);
-
- return 0;
-}
-
static int manager_connect_bus(Manager *m, bool reexecuting) {
bool try_bus_connect;
@@ -1244,7 +1222,6 @@ int manager_startup(Manager *m, FILE *serialization, FDSet *fds) {
/* We might have deserialized the kdbus control fd, but if we
* didn't, then let's create the bus now. */
- manager_setup_kdbus(m);
manager_connect_bus(m, !!serialization);
bus_track_coldplug(m, &m->subscribed, &m->deserialized_subscribed);
diff --git a/src/core/mount-setup.c b/src/core/mount-setup.c
index 40fc548b42..f9c9b4a91f 100644
--- a/src/core/mount-setup.c
+++ b/src/core/mount-setup.c
@@ -108,8 +108,6 @@ static const MountPoint mount_table[] = {
{ "efivarfs", "/sys/firmware/efi/efivars", "efivarfs", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV,
is_efi_boot, MNT_NONE },
#endif
- { "kdbusfs", "/sys/fs/kdbus", "kdbusfs", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV,
- is_kdbus_wanted, MNT_IN_CONTAINER },
};
/* These are API file systems that might be mounted by other software,
diff --git a/src/core/service.c b/src/core/service.c
index 14da6a58a9..78c33b1530 100644
--- a/src/core/service.c
+++ b/src/core/service.c
@@ -574,20 +574,9 @@ static int service_setup_bus_name(Service *s) {
if (!s->bus_name)
return 0;
- if (is_kdbus_available()) {
- const char *n;
-
- n = strjoina(s->bus_name, ".busname");
- r = unit_add_dependency_by_name(UNIT(s), UNIT_AFTER, n, NULL, true);
- if (r < 0)
- return log_unit_error_errno(UNIT(s), r, "Failed to add dependency to .busname unit: %m");
-
- } else {
- /* If kdbus is not available, we know the dbus socket is required, hence pull it in, and require it */
- r = unit_add_dependency_by_name(UNIT(s), UNIT_REQUIRES, SPECIAL_DBUS_SOCKET, NULL, true);
- if (r < 0)
- return log_unit_error_errno(UNIT(s), r, "Failed to add dependency on " SPECIAL_DBUS_SOCKET ": %m");
- }
+ r = unit_add_dependency_by_name(UNIT(s), UNIT_REQUIRES, SPECIAL_DBUS_SOCKET, NULL, true);
+ if (r < 0)
+ return log_unit_error_errno(UNIT(s), r, "Failed to add dependency on " SPECIAL_DBUS_SOCKET ": %m");
/* Regardless if kdbus is used or not, we always want to be ordered against dbus.socket if both are in the transaction. */
r = unit_add_dependency_by_name(UNIT(s), UNIT_AFTER, SPECIAL_DBUS_SOCKET, NULL, true);
diff --git a/src/dbus1-generator/dbus1-generator.c b/src/dbus1-generator/dbus1-generator.c
deleted file mode 100644
index 717cb9558e..0000000000
--- a/src/dbus1-generator/dbus1-generator.c
+++ /dev/null
@@ -1,331 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright 2013 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include "alloc-util.h"
-#include "bus-internal.h"
-#include "bus-util.h"
-#include "cgroup-util.h"
-#include "conf-parser.h"
-#include "dirent-util.h"
-#include "fd-util.h"
-#include "fileio.h"
-#include "mkdir.h"
-#include "special.h"
-#include "unit-name.h"
-#include "util.h"
-
-static const char *arg_dest_late = "/tmp", *arg_dest = "/tmp";
-
-static int create_dbus_files(
- const char *path,
- const char *name,
- const char *service,
- const char *exec,
- const char *user,
- const char *type) {
-
- _cleanup_free_ char *b = NULL, *s = NULL, *lnk = NULL;
- _cleanup_fclose_ FILE *f = NULL;
- int r;
-
- assert(path);
- assert(name);
- assert(service || exec);
-
- if (!service) {
- _cleanup_free_ char *a = NULL;
-
- s = strjoin("dbus-", name, ".service", NULL);
- if (!s)
- return log_oom();
-
- a = strjoin(arg_dest_late, "/", s, NULL);
- if (!a)
- return log_oom();
-
- f = fopen(a, "wxe");
- if (!f)
- return log_error_errno(errno, "Failed to create %s: %m", a);
-
- fprintf(f,
- "# Automatically generated by systemd-dbus1-generator\n\n"
- "[Unit]\n"
- "SourcePath=%s\n"
- "Description=DBUS1: %s\n"
- "Documentation=man:systemd-dbus1-generator(8)\n\n"
- "[Service]\n"
- "ExecStart=%s\n"
- "Type=dbus\n"
- "BusName=%s\n",
- path,
- name,
- exec,
- name);
-
- if (user)
- fprintf(f, "User=%s\n", user);
-
-
- if (type) {
- fprintf(f, "Environment=DBUS_STARTER_BUS_TYPE=%s\n", type);
-
- if (streq(type, "system"))
- fprintf(f, "Environment=DBUS_STARTER_ADDRESS=" DEFAULT_SYSTEM_BUS_ADDRESS "\n");
- else if (streq(type, "session")) {
- char *run;
-
- run = getenv("XDG_RUNTIME_DIR");
- if (!run) {
- log_error("XDG_RUNTIME_DIR not set.");
- return -EINVAL;
- }
-
- fprintf(f, "Environment=DBUS_STARTER_ADDRESS="KERNEL_USER_BUS_ADDRESS_FMT ";" UNIX_USER_BUS_ADDRESS_FMT "\n",
- getuid(), run);
- }
- }
-
- r = fflush_and_check(f);
- if (r < 0)
- return log_error_errno(r, "Failed to write %s: %m", a);
-
- f = safe_fclose(f);
-
- service = s;
- }
-
- b = strjoin(arg_dest_late, "/", name, ".busname", NULL);
- if (!b)
- return log_oom();
-
- f = fopen(b, "wxe");
- if (!f)
- return log_error_errno(errno, "Failed to create %s: %m", b);
-
- fprintf(f,
- "# Automatically generated by systemd-dbus1-generator\n\n"
- "[Unit]\n"
- "SourcePath=%s\n"
- "Description=DBUS1: %s\n"
- "Documentation=man:systemd-dbus1-generator(8)\n\n"
- "[BusName]\n"
- "Name=%s\n"
- "Service=%s\n"
- "AllowWorld=talk\n",
- path,
- name,
- name,
- service);
-
- r = fflush_and_check(f);
- if (r < 0)
- return log_error_errno(r, "Failed to write %s: %m", b);
-
- lnk = strjoin(arg_dest_late, "/" SPECIAL_BUSNAMES_TARGET ".wants/", name, ".busname", NULL);
- if (!lnk)
- return log_oom();
-
- mkdir_parents_label(lnk, 0755);
- if (symlink(b, lnk))
- return log_error_errno(errno, "Failed to create symlink %s: %m", lnk);
-
- return 0;
-}
-
-static int add_dbus(const char *path, const char *fname, const char *type) {
- _cleanup_free_ char *name = NULL, *exec = NULL, *user = NULL, *service = NULL;
-
- const ConfigTableItem table[] = {
- { "D-BUS Service", "Name", config_parse_string, 0, &name },
- { "D-BUS Service", "Exec", config_parse_string, 0, &exec },
- { "D-BUS Service", "User", config_parse_string, 0, &user },
- { "D-BUS Service", "SystemdService", config_parse_string, 0, &service },
- { },
- };
-
- char *p;
- int r;
-
- assert(path);
- assert(fname);
-
- p = strjoina(path, "/", fname);
- r = config_parse(NULL, p, NULL,
- "D-BUS Service\0",
- config_item_table_lookup, table,
- true, false, true, NULL);
- if (r < 0)
- return r;
-
- if (!name) {
- log_warning("Activation file %s lacks name setting, ignoring.", p);
- return 0;
- }
-
- if (!service_name_is_valid(name)) {
- log_warning("Bus service name %s is not valid, ignoring.", name);
- return 0;
- }
-
- if (streq(name, "org.freedesktop.systemd1")) {
- log_debug("Skipping %s, identified as systemd.", p);
- return 0;
- }
-
- if (service) {
- if (!unit_name_is_valid(service, UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE)) {
- log_warning("Unit name %s is not valid, ignoring.", service);
- return 0;
- }
- if (!endswith(service, ".service")) {
- log_warning("Bus names can only activate services, ignoring %s.", p);
- return 0;
- }
- } else {
- if (streq(exec, "/bin/false") || !exec) {
- log_warning("Neither service name nor binary path specified, ignoring %s.", p);
- return 0;
- }
-
- if (exec[0] != '/') {
- log_warning("Exec= in %s does not start with an absolute path, ignoring.", p);
- return 0;
- }
- }
-
- return create_dbus_files(p, name, service, exec, user, type);
-}
-
-static int parse_dbus_fragments(const char *path, const char *type) {
- _cleanup_closedir_ DIR *d = NULL;
- struct dirent *de;
- int r;
-
- assert(path);
- assert(type);
-
- d = opendir(path);
- if (!d) {
- if (errno == -ENOENT)
- return 0;
-
- return log_error_errno(errno, "Failed to enumerate D-Bus activated services: %m");
- }
-
- r = 0;
- FOREACH_DIRENT(de, d, goto fail) {
- int q;
-
- if (!endswith(de->d_name, ".service"))
- continue;
-
- q = add_dbus(path, de->d_name, type);
- if (q < 0)
- r = q;
- }
-
- return r;
-
-fail:
- return log_error_errno(errno, "Failed to read D-Bus services directory: %m");
-}
-
-static int link_busnames_target(const char *units) {
- const char *f, *t;
-
- f = strjoina(units, "/" SPECIAL_BUSNAMES_TARGET);
- t = strjoina(arg_dest, "/" SPECIAL_BASIC_TARGET ".wants/" SPECIAL_BUSNAMES_TARGET);
-
- mkdir_parents_label(t, 0755);
- if (symlink(f, t) < 0)
- return log_error_errno(errno, "Failed to create symlink %s: %m", t);
-
- return 0;
-}
-
-static int link_compatibility(const char *units) {
- const char *f, *t;
-
- f = strjoina(units, "/systemd-bus-proxyd.socket");
- t = strjoina(arg_dest, "/" SPECIAL_DBUS_SOCKET);
- mkdir_parents_label(t, 0755);
- if (symlink(f, t) < 0)
- return log_error_errno(errno, "Failed to create symlink %s: %m", t);
-
- f = strjoina(units, "/systemd-bus-proxyd.socket");
- t = strjoina(arg_dest, "/" SPECIAL_SOCKETS_TARGET ".wants/systemd-bus-proxyd.socket");
- mkdir_parents_label(t, 0755);
- if (symlink(f, t) < 0)
- return log_error_errno(errno, "Failed to create symlink %s: %m", t);
-
- t = strjoina(arg_dest, "/" SPECIAL_DBUS_SERVICE);
- if (symlink("/dev/null", t) < 0)
- return log_error_errno(errno, "Failed to mask %s: %m", t);
-
- return 0;
-}
-
-int main(int argc, char *argv[]) {
- const char *path, *type, *units;
- int r, q;
-
- if (argc > 1 && argc != 4) {
- log_error("This program takes three or no arguments.");
- return EXIT_FAILURE;
- }
-
- if (argc > 1) {
- arg_dest = argv[1];
- arg_dest_late = argv[3];
- }
-
- log_set_target(LOG_TARGET_SAFE);
- log_parse_environment();
- log_open();
-
- umask(0022);
-
- if (!is_kdbus_available())
- return 0;
-
- r = cg_pid_get_owner_uid(0, NULL);
- if (r >= 0) {
- path = "/usr/share/dbus-1/services";
- type = "session";
- units = USER_DATA_UNIT_PATH;
- } else if (r == -ENXIO) {
- path = "/usr/share/dbus-1/system-services";
- type = "system";
- units = SYSTEM_DATA_UNIT_PATH;
- } else
- return log_error_errno(r, "Failed to determine whether we are running as user or system instance: %m");
-
- r = parse_dbus_fragments(path, type);
-
- /* FIXME: One day this should just be pulled in statically from basic.target */
- q = link_busnames_target(units);
- if (q < 0)
- r = q;
-
- q = link_compatibility(units);
- if (q < 0)
- r = q;
-
- return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
-}
diff --git a/src/login/pam_systemd.c b/src/login/pam_systemd.c
index 98dc201340..4f023640f6 100644
--- a/src/login/pam_systemd.c
+++ b/src/login/pam_systemd.c
@@ -182,25 +182,20 @@ static int export_legacy_dbus_address(
_cleanup_free_ char *s = NULL;
int r = PAM_BUF_ERR;
- if (is_kdbus_available()) {
- if (asprintf(&s, KERNEL_USER_BUS_ADDRESS_FMT ";" UNIX_USER_BUS_ADDRESS_FMT, uid, runtime) < 0)
- goto error;
- } else {
- /* FIXME: We *really* should move the access() check into the
- * daemons that spawn dbus-daemon, instead of forcing
- * DBUS_SESSION_BUS_ADDRESS= here. */
-
- s = strjoin(runtime, "/bus", NULL);
- if (!s)
- goto error;
-
- if (access(s, F_OK) < 0)
- return PAM_SUCCESS;
+ /* FIXME: We *really* should move the access() check into the
+ * daemons that spawn dbus-daemon, instead of forcing
+ * DBUS_SESSION_BUS_ADDRESS= here. */
- s = mfree(s);
- if (asprintf(&s, UNIX_USER_BUS_ADDRESS_FMT, runtime) < 0)
- goto error;
- }
+ s = strjoin(runtime, "/bus", NULL);
+ if (!s)
+ goto error;
+
+ if (access(s, F_OK) < 0)
+ return PAM_SUCCESS;
+
+ s = mfree(s);
+ if (asprintf(&s, UNIX_USER_BUS_ADDRESS_FMT, runtime) < 0)
+ goto error;
r = pam_misc_setenv(handle, "DBUS_SESSION_BUS_ADDRESS", s, 0);
if (r != PAM_SUCCESS)
diff --git a/src/shared/bus-util.c b/src/shared/bus-util.c
index 8cfa936347..8e3307dc24 100644
--- a/src/shared/bus-util.c
+++ b/src/shared/bus-util.c
@@ -1505,40 +1505,6 @@ int bus_path_decode_unique(const char *path, const char *prefix, char **ret_send
return 1;
}
-bool is_kdbus_wanted(void) {
- _cleanup_free_ char *value = NULL;
-#ifdef ENABLE_KDBUS
- const bool configured = true;
-#else
- const bool configured = false;
-#endif
-
- int r;
-
- if (get_proc_cmdline_key("kdbus", NULL) > 0)
- return true;
-
- r = get_proc_cmdline_key("kdbus=", &value);
- if (r <= 0)
- return configured;
-
- return parse_boolean(value) == 1;
-}
-
-bool is_kdbus_available(void) {
- _cleanup_close_ int fd = -1;
- struct kdbus_cmd cmd = { .size = sizeof(cmd), .flags = KDBUS_FLAG_NEGOTIATE };
-
- if (!is_kdbus_wanted())
- return false;
-
- fd = open("/sys/fs/kdbus/control", O_RDWR | O_CLOEXEC | O_NONBLOCK | O_NOCTTY);
- if (fd < 0)
- return false;
-
- return ioctl(fd, KDBUS_CMD_BUS_MAKE, &cmd) >= 0;
-}
-
int bus_property_get_rlimit(
sd_bus *bus,
const char *path,
diff --git a/src/shared/bus-util.h b/src/shared/bus-util.h
index d792258ecd..db6b1acba2 100644
--- a/src/shared/bus-util.h
+++ b/src/shared/bus-util.h
@@ -157,7 +157,4 @@ int bus_log_create_error(int r);
int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id, const char *external_id, char **ret_path);
int bus_path_decode_unique(const char *path, const char *prefix, char **ret_sender, char **ret_external);
-bool is_kdbus_wanted(void);
-bool is_kdbus_available(void);
-
int bus_property_get_rlimit(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-09 18:53:58 +0000