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Merge pull request #17732 from yuwata/core-use-synthetic_errno

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core,network: use SYNTHETIC_ERRNO() macro
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2020-11-27 12:55:37 +01:00 committed by GitHub
commit 1526e55f6c
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GPG Key ID: 4AEE18F83AFDEB23
23 changed files with 389 additions and 221 deletions
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61
coccinelle/errno.cocci
View File

@ -25,6 +25,13 @@ expression e;
- return r;
@@
identifier log_LEVEL_errno =~ "^log_(debug|info|notice|warning|error|emergency)_errno$";
local idexpression r;
@@
+ return
log_LEVEL_errno(r, ...);
- return r;
@@
identifier log_LEVEL_errno =~ "^log_(debug|info|notice|warning|error|emergency)_errno$";
expression e;
@@
+ return
@ -39,3 +46,57 @@ local idexpression r;
- log_LEVEL_errno(e, args);
- r = e;
+ r = log_LEVEL_errno(e, args);
@@
identifier log_UNIT_LEVEL_errno =~ "^log_(unit|link|netdev|device|token)_(debug|info|notice|warning|error|emergency)_errno$";
local idexpression r;
expression e;
expression u;
@@
- r = -e;
+ r =
log_UNIT_LEVEL_errno(u, e, ...);
@@
identifier log_UNIT_LEVEL_errno =~ "^log_(unit|link|netdev|device|token)_(debug|info|notice|warning|error|emergency)_errno$";
local idexpression r;
expression e;
expression u;
@@
+ r =
log_UNIT_LEVEL_errno(u, e, ...);
- r = -e;
@@
identifier log_UNIT_LEVEL_errno =~ "^log_(unit|link|netdev|device|token)_(debug|info|notice|warning|error|emergency)_errno$";
local idexpression r;
expression e;
expression u;
@@
- r =
+ return
log_UNIT_LEVEL_errno(u, e, ...);
- return r;
@@
identifier log_UNIT_LEVEL_errno =~ "^log_(unit|link|netdev|device|token)_(debug|info|notice|warning|error|emergency)_errno$";
local idexpression r;
expression u;
@@
+ return
log_UNIT_LEVEL_errno(u, r, ...);
- return r;
@@
identifier log_UNIT_LEVEL_errno =~ "^log_(unit|link|netdev|device|token)_(debug|info|notice|warning|error|emergency)_errno$";
expression e;
expression u;
@@
+ return
log_UNIT_LEVEL_errno(u, e, ...);
- return -e;
@@
identifier log_UNIT_LEVEL_errno =~ "^log_(unit|link|netdev|device|token)_(debug|info|notice|warning|error|emergency)_errno$";
expression list args;
expression e;
expression u;
local idexpression r;
@@
- log_UNIT_LEVEL_errno(u, e, args);
- r = e;
+ r = log_UNIT_LEVEL_errno(u, e, args);

214
coccinelle/synthetic-errno.cocci
View File

@ -15,9 +15,15 @@ log_debug("Found no default boot entry :(");
expression e;
expression list args;
@@
(
/* Ignore specific cases in src/import/{export,import,pull}.c where we want to return positive value on success. */
log_info("Exiting.");
return -r;
|
- log_info(args);
- return -e;
+ return log_info_errno(SYNTHETIC_ERRNO(e), args);
)
@@
expression e;
expression list args;
@ -46,3 +52,211 @@ expression list args;
@@
- log_LEVEL_errno(ERRNO, args);
+ log_LEVEL_errno(SYNTHETIC_ERRNO(ERRNO), args);
@@
identifier log_UNIT_LEVEL_errno =~ "^log_(unit|link|device|token)_(debug|info|notice|warning|error|emergency)_errno$";
identifier ERRNO =~ "^E[A-Z]+$";
expression u;
expression list args;
@@
- log_UNIT_LEVEL_errno(u, ERRNO, args);
+ log_UNIT_LEVEL_errno(u, SYNTHETIC_ERRNO(ERRNO), args);
@@
expression e;
expression u;
expression list args;
@@
- log_unit_debug(u, args);
- return -e;
+ return log_unit_debug_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_unit_info(u, args);
- return -e;
+ return log_unit_info_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_unit_notice(u, args);
- return -e;
+ return log_unit_notice_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_unit_error(u, args);
- return -e;
+ return log_unit_error_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_unit_emergency(u, args);
- return -e;
+ return log_unit_emergency_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_link_debug(u, args);
- return -e;
+ return log_link_debug_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_link_info(u, args);
- return -e;
+ return log_link_info_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_link_notice(u, args);
- return -e;
+ return log_link_notice_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_link_error(u, args);
- return -e;
+ return log_link_error_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_link_emergency(u, args);
- return -e;
+ return log_link_emergency_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_netdev_debug(u, args);
- return -e;
+ return log_netdev_debug_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_netdev_info(u, args);
- return -e;
+ return log_netdev_info_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_netdev_notice(u, args);
- return -e;
+ return log_netdev_notice_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_netdev_error(u, args);
- return -e;
+ return log_netdev_error_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_netdev_emergency(u, args);
- return -e;
+ return log_netdev_emergency_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_device_debug(u, args);
- return -e;
+ return log_device_debug_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_device_info(u, args);
- return -e;
+ return log_device_info_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_device_notice(u, args);
- return -e;
+ return log_device_notice_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_device_error(u, args);
- return -e;
+ return log_device_error_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_device_emergency(u, args);
- return -e;
+ return log_device_emergency_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_token_debug(u, args);
- return -e;
+ return log_token_debug_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_token_info(u, args);
- return -e;
+ return log_token_info_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_token_notice(u, args);
- return -e;
+ return log_token_notice_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_token_error(u, args);
- return -e;
+ return log_token_error_errno(u, SYNTHETIC_ERRNO(e), args);
@@
expression e;
expression u;
expression list args;
@@
- log_token_emergency(u, args);
- return -e;
+ return log_token_emergency_errno(u, SYNTHETIC_ERRNO(e), args);

18
src/core/automount.c
View File

@ -174,19 +174,15 @@ static int automount_verify(Automount *a) {
assert(a);
assert(UNIT(a)->load_state == UNIT_LOADED);
if (path_equal(a->where, "/")) {
log_unit_error(UNIT(a), "Cannot have an automount unit for the root directory. Refusing.");
return -ENOEXEC;
}
if (path_equal(a->where, "/"))
return log_unit_error_errno(UNIT(a), SYNTHETIC_ERRNO(ENOEXEC), "Cannot have an automount unit for the root directory. Refusing.");
r = unit_name_from_path(a->where, ".automount", &e);
if (r < 0)
return log_unit_error_errno(UNIT(a), r, "Failed to generate unit name from path: %m");
if (!unit_has_name(UNIT(a), e)) {
log_unit_error(UNIT(a), "Where= setting doesn't match unit name. Refusing.");
return -ENOEXEC;
}
if (!unit_has_name(UNIT(a), e))
return log_unit_error_errno(UNIT(a), SYNTHETIC_ERRNO(ENOEXEC), "Where= setting doesn't match unit name. Refusing.");
return 0;
}
@ -811,10 +807,8 @@ static int automount_start(Unit *u) {
assert(a);
assert(IN_SET(a->state, AUTOMOUNT_DEAD, AUTOMOUNT_FAILED));
if (path_is_mount_point(a->where, NULL, 0) > 0) {
log_unit_error(u, "Path %s is already a mount point, refusing start.", a->where);
return -EEXIST;
}
if (path_is_mount_point(a->where, NULL, 0) > 0)
return log_unit_error_errno(u, SYNTHETIC_ERRNO(EEXIST), "Path %s is already a mount point, refusing start.", a->where);
r = unit_test_trigger_loaded(u);
if (r < 0)

12
src/core/bpf-firewall.c
View File

@ -686,14 +686,10 @@ int bpf_firewall_install(Unit *u) {
supported = bpf_firewall_supported();
if (supported < 0)
return supported;
if (supported == BPF_FIREWALL_UNSUPPORTED) {
log_unit_debug(u, "BPF firewalling not supported on this manager, proceeding without.");
return -EOPNOTSUPP;
}
if (supported != BPF_FIREWALL_SUPPORTED_WITH_MULTI && u->type == UNIT_SLICE) {
log_unit_debug(u, "BPF_F_ALLOW_MULTI is not supported on this manager, not doing BPF firewall on slice units.");
return -EOPNOTSUPP;
}
if (supported == BPF_FIREWALL_UNSUPPORTED)
return log_unit_debug_errno(u, SYNTHETIC_ERRNO(EOPNOTSUPP), "BPF firewalling not supported on this manager, proceeding without.");
if (supported != BPF_FIREWALL_SUPPORTED_WITH_MULTI && u->type == UNIT_SLICE)
return log_unit_debug_errno(u, SYNTHETIC_ERRNO(EOPNOTSUPP), "BPF_F_ALLOW_MULTI is not supported on this manager, not doing BPF firewall on slice units.");
if (supported != BPF_FIREWALL_SUPPORTED_WITH_MULTI &&
(!set_isempty(u->ip_bpf_custom_ingress) || !set_isempty(u->ip_bpf_custom_egress)))
return log_unit_debug_errno(u, SYNTHETIC_ERRNO(EOPNOTSUPP), "BPF_F_ALLOW_MULTI not supported on this manager, cannot attach custom BPF programs.");

9
src/core/device.c
View File

@ -515,11 +515,10 @@ static int device_setup_unit(Manager *m, sd_device *dev, const char *path, bool
if (DEVICE(u)->state == DEVICE_PLUGGED &&
DEVICE(u)->sysfs &&
sysfs &&
!path_equal(DEVICE(u)->sysfs, sysfs)) {
log_unit_debug(u, "Device %s appeared twice with different sysfs paths %s and %s, ignoring the latter.",
e, DEVICE(u)->sysfs, sysfs);
return -EEXIST;
}
!path_equal(DEVICE(u)->sysfs, sysfs))
return log_unit_debug_errno(u, SYNTHETIC_ERRNO(EEXIST),
"Device %s appeared twice with different sysfs paths %s and %s, ignoring the latter.",
e, DEVICE(u)->sysfs, sysfs);
delete = false;

25
src/core/execute.c
View File

@ -3769,23 +3769,20 @@ static int exec_child(
r = dynamic_creds_realize(dcreds, suggested_paths, &uid, &gid);
if (r < 0) {
*exit_status = EXIT_USER;
if (r == -EILSEQ) {
log_unit_error(unit, "Failed to update dynamic user credentials: User or group with specified name already exists.");
return -EOPNOTSUPP;
}
if (r == -EILSEQ)
return log_unit_error_errno(unit, SYNTHETIC_ERRNO(EOPNOTSUPP),
"Failed to update dynamic user credentials: User or group with specified name already exists.");
return log_unit_error_errno(unit, r, "Failed to update dynamic user credentials: %m");
}
if (!uid_is_valid(uid)) {
*exit_status = EXIT_USER;
log_unit_error(unit, "UID validation failed for \""UID_FMT"\"", uid);
return -ESRCH;
return log_unit_error_errno(unit, SYNTHETIC_ERRNO(ESRCH), "UID validation failed for \""UID_FMT"\"", uid);
}
if (!gid_is_valid(gid)) {
*exit_status = EXIT_USER;
log_unit_error(unit, "GID validation failed for \""GID_FMT"\"", gid);
return -ESRCH;
return log_unit_error_errno(unit, SYNTHETIC_ERRNO(ESRCH), "GID validation failed for \""GID_FMT"\"", gid);
}
if (dcreds->user)
@ -4628,15 +4625,11 @@ int exec_spawn(Unit *unit,
context->std_output == EXEC_OUTPUT_SOCKET ||
context->std_error == EXEC_OUTPUT_SOCKET) {
if (params->n_socket_fds > 1) {
log_unit_error(unit, "Got more than one socket.");
return -EINVAL;
}
if (params->n_socket_fds > 1)
return log_unit_error_errno(unit, SYNTHETIC_ERRNO(EINVAL), "Got more than one socket.");
if (params->n_socket_fds == 0) {
log_unit_error(unit, "Got no socket.");
return -EINVAL;
}
if (params->n_socket_fds == 0)
return log_unit_error_errno(unit, SYNTHETIC_ERRNO(EINVAL), "Got no socket.");
socket_fd = params->fds[0];
} else {

18
src/core/mount.c
View File

@ -549,25 +549,19 @@ static int mount_verify(Mount *m) {
if (r < 0)
return log_unit_error_errno(UNIT(m), r, "Failed to generate unit name from mount path: %m");
if (!unit_has_name(UNIT(m), e)) {
log_unit_error(UNIT(m), "Where= setting doesn't match unit name. Refusing.");
return -ENOEXEC;
}
if (!unit_has_name(UNIT(m), e))
return log_unit_error_errno(UNIT(m), SYNTHETIC_ERRNO(ENOEXEC), "Where= setting doesn't match unit name. Refusing.");
if (mount_point_is_api(m->where) || mount_point_ignore(m->where)) {
log_unit_error(UNIT(m), "Cannot create mount unit for API file system %s. Refusing.", m->where);
return -ENOEXEC;
}
if (mount_point_is_api(m->where) || mount_point_ignore(m->where))
return log_unit_error_errno(UNIT(m), SYNTHETIC_ERRNO(ENOEXEC), "Cannot create mount unit for API file system %s. Refusing.", m->where);
p = get_mount_parameters_fragment(m);
if (p && !p->what && !UNIT(m)->perpetual)
return log_unit_error_errno(UNIT(m), SYNTHETIC_ERRNO(ENOEXEC),
"What= setting is missing. Refusing.");
if (m->exec_context.pam_name && m->kill_context.kill_mode != KILL_CONTROL_GROUP) {
log_unit_error(UNIT(m), "Unit has PAM enabled. Kill mode must be set to control-group'. Refusing.");
return -ENOEXEC;
}
if (m->exec_context.pam_name && m->kill_context.kill_mode != KILL_CONTROL_GROUP)
return log_unit_error_errno(UNIT(m), SYNTHETIC_ERRNO(ENOEXEC), "Unit has PAM enabled. Kill mode must be set to control-group'. Refusing.");
return 0;
}

6
src/core/path.c
View File

@ -283,10 +283,8 @@ static int path_verify(Path *p) {
assert(p);
assert(UNIT(p)->load_state == UNIT_LOADED);
if (!p->specs) {
log_unit_error(UNIT(p), "Path unit lacks path setting. Refusing.");
return -ENOEXEC;
}
if (!p->specs)
return log_unit_error_errno(UNIT(p), SYNTHETIC_ERRNO(ENOEXEC), "Path unit lacks path setting. Refusing.");
return 0;
}

12
src/core/scope.c
View File

@ -131,10 +131,8 @@ static int scope_verify(Scope *s) {
if (set_isempty(UNIT(s)->pids) &&
!MANAGER_IS_RELOADING(UNIT(s)->manager) &&
!unit_has_name(UNIT(s), SPECIAL_INIT_SCOPE)) {
log_unit_error(UNIT(s), "Scope has no PIDs. Refusing.");
return -ENOENT;
}
!unit_has_name(UNIT(s), SPECIAL_INIT_SCOPE))
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOENT), "Scope has no PIDs. Refusing.");
return 0;
}
@ -498,11 +496,7 @@ static int scope_deserialize_item(Unit *u, const char *key, const char *value, F
if (parse_pid(value, &pid) < 0)
log_unit_debug(u, "Failed to parse pids value: %s", value);
else {
r = set_ensure_allocated(&u->pids, NULL);
if (r < 0)
return r;
r = set_put(u->pids, PID_TO_PTR(pid));
r = set_ensure_put(&u->pids, NULL, PID_TO_PTR(pid));
if (r < 0)
return r;
}

87
src/core/service.c
View File

@ -548,51 +548,35 @@ static int service_verify(Service *s) {
assert(s);
assert(UNIT(s)->load_state == UNIT_LOADED);
if (!s->exec_command[SERVICE_EXEC_START] && !s->exec_command[SERVICE_EXEC_STOP]
&& UNIT(s)->success_action == EMERGENCY_ACTION_NONE) {
if (!s->exec_command[SERVICE_EXEC_START] && !s->exec_command[SERVICE_EXEC_STOP] &&
UNIT(s)->success_action == EMERGENCY_ACTION_NONE)
/* FailureAction= only makes sense if one of the start or stop commands is specified.
* SuccessAction= will be executed unconditionally if no commands are specified. Hence,
* either a command or SuccessAction= are required. */
log_unit_error(UNIT(s), "Service has no ExecStart=, ExecStop=, or SuccessAction=. Refusing.");
return -ENOEXEC;
}
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "Service has no ExecStart=, ExecStop=, or SuccessAction=. Refusing.");
if (s->type != SERVICE_ONESHOT && !s->exec_command[SERVICE_EXEC_START]) {
log_unit_error(UNIT(s), "Service has no ExecStart= setting, which is only allowed for Type=oneshot services. Refusing.");
return -ENOEXEC;
}
if (s->type != SERVICE_ONESHOT && !s->exec_command[SERVICE_EXEC_START])
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "Service has no ExecStart= setting, which is only allowed for Type=oneshot services. Refusing.");
if (!s->remain_after_exit && !s->exec_command[SERVICE_EXEC_START] && UNIT(s)->success_action == EMERGENCY_ACTION_NONE) {
log_unit_error(UNIT(s), "Service has no ExecStart= and no SuccessAction= settings and does not have RemainAfterExit=yes set. Refusing.");
return -ENOEXEC;
}
if (!s->remain_after_exit && !s->exec_command[SERVICE_EXEC_START] && UNIT(s)->success_action == EMERGENCY_ACTION_NONE)
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "Service has no ExecStart= and no SuccessAction= settings and does not have RemainAfterExit=yes set. Refusing.");
if (s->type != SERVICE_ONESHOT && s->exec_command[SERVICE_EXEC_START]->command_next) {
log_unit_error(UNIT(s), "Service has more than one ExecStart= setting, which is only allowed for Type=oneshot services. Refusing.");
return -ENOEXEC;
}
if (s->type != SERVICE_ONESHOT && s->exec_command[SERVICE_EXEC_START]->command_next)
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "Service has more than one ExecStart= setting, which is only allowed for Type=oneshot services. Refusing.");
if (s->type == SERVICE_ONESHOT
&& !IN_SET(s->restart, SERVICE_RESTART_NO, SERVICE_RESTART_ON_FAILURE, SERVICE_RESTART_ON_ABNORMAL, SERVICE_RESTART_ON_WATCHDOG, SERVICE_RESTART_ON_ABORT)) {
log_unit_error(UNIT(s), "Service has Restart= set to either always or on-success, which isn't allowed for Type=oneshot services. Refusing.");
return -ENOEXEC;
}
if (s->type == SERVICE_ONESHOT &&
!IN_SET(s->restart, SERVICE_RESTART_NO, SERVICE_RESTART_ON_FAILURE, SERVICE_RESTART_ON_ABNORMAL, SERVICE_RESTART_ON_WATCHDOG, SERVICE_RESTART_ON_ABORT))
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "Service has Restart= set to either always or on-success, which isn't allowed for Type=oneshot services. Refusing.");
if (s->type == SERVICE_ONESHOT && !exit_status_set_is_empty(&s->restart_force_status)) {
log_unit_error(UNIT(s), "Service has RestartForceStatus= set, which isn't allowed for Type=oneshot services. Refusing.");
return -ENOEXEC;
}
if (s->type == SERVICE_ONESHOT && !exit_status_set_is_empty(&s->restart_force_status))
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "Service has RestartForceStatus= set, which isn't allowed for Type=oneshot services. Refusing.");
if (s->type == SERVICE_DBUS && !s->bus_name) {
log_unit_error(UNIT(s), "Service is of type D-Bus but no D-Bus service name has been specified. Refusing.");
return -ENOEXEC;
}
if (s->type == SERVICE_DBUS && !s->bus_name)
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "Service is of type D-Bus but no D-Bus service name has been specified. Refusing.");
if (s->exec_context.pam_name && !IN_SET(s->kill_context.kill_mode, KILL_CONTROL_GROUP, KILL_MIXED)) {
log_unit_error(UNIT(s), "Service has PAM enabled. Kill mode must be set to 'control-group' or 'mixed'. Refusing.");
return -ENOEXEC;
}
if (s->exec_context.pam_name && !IN_SET(s->kill_context.kill_mode, KILL_CONTROL_GROUP, KILL_MIXED))
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "Service has PAM enabled. Kill mode must be set to 'control-group' or 'mixed'. Refusing.");
if (s->usb_function_descriptors && !s->usb_function_strings)
log_unit_warning(UNIT(s), "Service has USBFunctionDescriptors= setting, but no USBFunctionStrings=. Ignoring.");
@ -914,20 +898,14 @@ static int service_is_suitable_main_pid(Service *s, pid_t pid, int prio) {
* PID is questionnable but should be accepted if the source of configuration is trusted. > 0 if the PID is
* good */
if (pid == getpid_cached() || pid == 1) {
log_unit_full(UNIT(s), prio, "New main PID "PID_FMT" is the manager, refusing.", pid);
return -EPERM;
}
if (pid == getpid_cached() || pid == 1)
return log_unit_full_errno(UNIT(s), prio, SYNTHETIC_ERRNO(EPERM), "New main PID "PID_FMT" is the manager, refusing.", pid);
if (pid == s->control_pid) {
log_unit_full(UNIT(s), prio, "New main PID "PID_FMT" is the control process, refusing.", pid);
return -EPERM;
}
if (pid == s->control_pid)
return log_unit_full_errno(UNIT(s), prio, SYNTHETIC_ERRNO(EPERM), "New main PID "PID_FMT" is the control process, refusing.", pid);
if (!pid_is_alive(pid)) {
log_unit_full(UNIT(s), prio, "New main PID "PID_FMT" does not exist or is a zombie.", pid);
return -ESRCH;
}
if (!pid_is_alive(pid))
return log_unit_full_errno(UNIT(s), prio, SYNTHETIC_ERRNO(ESRCH), "New main PID "PID_FMT" does not exist or is a zombie.", pid);
owner = manager_get_unit_by_pid(UNIT(s)->manager, pid);
if (owner == UNIT(s)) {
@ -988,20 +966,18 @@ static int service_load_pid_file(Service *s, bool may_warn) {
if (r == 0) {
struct stat st;
if (questionable_pid_file) {
log_unit_error(UNIT(s), "Refusing to accept PID outside of service control group, acquired through unsafe symlink chain: %s", s->pid_file);
return -EPERM;
}
if (questionable_pid_file)
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(EPERM),
"Refusing to accept PID outside of service control group, acquired through unsafe symlink chain: %s", s->pid_file);
/* Hmm, it's not clear if the new main PID is safe. Let's allow this if the PID file is owned by root */
if (fstat(fd, &st) < 0)
return log_unit_error_errno(UNIT(s), errno, "Failed to fstat() PID file O_PATH fd: %m");
if (st.st_uid != 0) {
log_unit_error(UNIT(s), "New main PID "PID_FMT" does not belong to service, and PID file is not owned by root. Refusing.", pid);
return -EPERM;
}
if (st.st_uid != 0)
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(EPERM),
"New main PID "PID_FMT" does not belong to service, and PID file is not owned by root. Refusing.", pid);
log_unit_debug(UNIT(s), "New main PID "PID_FMT" does not belong to service, but we'll accept it since PID file is owned by root.", pid);
}
@ -2127,8 +2103,7 @@ static void service_enter_start(Service *s) {
/* There's no command line configured for the main command? Hmm, that is strange.
* This can only happen if the configuration changes at runtime. In this case,
* let's enter a failure state. */
log_unit_error(UNIT(s), "There's no 'start' task anymore we could start.");
r = -ENXIO;
r = log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENXIO), "There's no 'start' task anymore we could start.");
goto fail;
}

12
src/core/slice.c
View File

@ -94,19 +94,15 @@ static int slice_verify(Slice *s) {
assert(s);
assert(UNIT(s)->load_state == UNIT_LOADED);
if (!slice_name_is_valid(UNIT(s)->id)) {
log_unit_error(UNIT(s), "Slice name %s is not valid. Refusing.", UNIT(s)->id);
return -ENOEXEC;
}
if (!slice_name_is_valid(UNIT(s)->id))
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "Slice name %s is not valid. Refusing.", UNIT(s)->id);
r = slice_build_parent_slice(UNIT(s)->id, &parent);
if (r < 0)
return log_unit_error_errno(UNIT(s), r, "Failed to determine parent slice: %m");
if (parent ? !unit_has_name(UNIT_DEREF(UNIT(s)->slice), parent) : UNIT_ISSET(UNIT(s)->slice)) {
log_unit_error(UNIT(s), "Located outside of parent slice. Refusing.");
return -ENOEXEC;
}
if (parent ? !unit_has_name(UNIT_DEREF(UNIT(s)->slice), parent) : UNIT_ISSET(UNIT(s)->slice))
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "Located outside of parent slice. Refusing.");
return 0;
}

3
src/core/smack-setup.c
View File

@ -384,8 +384,7 @@ int mac_smack_setup(bool *loaded_policy) {
log_info("Successfully wrote Smack onlycap list.");
break;
default:
log_emergency_errno(r, "Failed to write Smack onlycap list: %m");
return r;
return log_emergency_errno(r, "Failed to write Smack onlycap list: %m");
}
*loaded_policy = true;

48
src/core/socket.c
View File

@ -402,35 +402,23 @@ static int socket_verify(Socket *s) {
assert(s);
assert(UNIT(s)->load_state == UNIT_LOADED);
if (!s->ports) {
log_unit_error(UNIT(s), "Unit has no Listen setting (ListenStream=, ListenDatagram=, ListenFIFO=, ...). Refusing.");
return -ENOEXEC;
}
if (!s->ports)
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "Unit has no Listen setting (ListenStream=, ListenDatagram=, ListenFIFO=, ...). Refusing.");
if (s->accept && have_non_accept_socket(s)) {
log_unit_error(UNIT(s), "Unit configured for accepting sockets, but sockets are non-accepting. Refusing.");
return -ENOEXEC;
}
if (s->accept && have_non_accept_socket(s))
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "Unit configured for accepting sockets, but sockets are non-accepting. Refusing.");
if (s->accept && s->max_connections <= 0) {
log_unit_error(UNIT(s), "MaxConnection= setting too small. Refusing.");
return -ENOEXEC;
}
if (s->accept && s->max_connections <= 0)
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "MaxConnection= setting too small. Refusing.");
if (s->accept && UNIT_DEREF(s->service)) {
log_unit_error(UNIT(s), "Explicit service configuration for accepting socket units not supported. Refusing.");
return -ENOEXEC;
}
if (s->accept && UNIT_DEREF(s->service))
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "Explicit service configuration for accepting socket units not supported. Refusing.");
if (s->exec_context.pam_name && s->kill_context.kill_mode != KILL_CONTROL_GROUP) {
log_unit_error(UNIT(s), "Unit has PAM enabled. Kill mode must be set to 'control-group'. Refusing.");
return -ENOEXEC;
}
if (s->exec_context.pam_name && s->kill_context.kill_mode != KILL_CONTROL_GROUP)
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "Unit has PAM enabled. Kill mode must be set to 'control-group'. Refusing.");
if (!strv_isempty(s->symlinks) && !socket_find_symlink_target(s)) {
log_unit_error(UNIT(s), "Unit has symlinks set but none or more than one node in the file system. Refusing.");
return -ENOEXEC;
}
if (!strv_isempty(s->symlinks) && !socket_find_symlink_target(s))
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "Unit has symlinks set but none or more than one node in the file system. Refusing.");
return 0;
}
@ -2507,17 +2495,13 @@ static int socket_start(Unit *u) {
service = SERVICE(UNIT_DEREF(s->service));
if (UNIT(service)->load_state != UNIT_LOADED) {
log_unit_error(u, "Socket service %s not loaded, refusing.", UNIT(service)->id);
return -ENOENT;
}
if (UNIT(service)->load_state != UNIT_LOADED)
return log_unit_error_errno(u, SYNTHETIC_ERRNO(ENOENT), "Socket service %s not loaded, refusing.", UNIT(service)->id);
/* If the service is already active we cannot start the
* socket */
if (!IN_SET(service->state, SERVICE_DEAD, SERVICE_FAILED, SERVICE_AUTO_RESTART)) {
log_unit_error(u, "Socket service %s already active, refusing.", UNIT(service)->id);
return -EBUSY;
}
if (!IN_SET(service->state, SERVICE_DEAD, SERVICE_FAILED, SERVICE_AUTO_RESTART))
return log_unit_error_errno(u, SYNTHETIC_ERRNO(EBUSY), "Socket service %s already active, refusing.", UNIT(service)->id);
}
assert(IN_SET(s->state, SOCKET_DEAD, SOCKET_FAILED));

12
src/core/swap.c
View File

@ -287,15 +287,11 @@ static int swap_verify(Swap *s) {
if (r < 0)
return log_unit_error_errno(UNIT(s), r, "Failed to generate unit name from path: %m");
if (!unit_has_name(UNIT(s), e)) {
log_unit_error(UNIT(s), "Value of What= and unit name do not match, not loading.");
return -ENOEXEC;
}
if (!unit_has_name(UNIT(s), e))
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "Value of What= and unit name do not match, not loading.");
if (s->exec_context.pam_name && s->kill_context.kill_mode != KILL_CONTROL_GROUP) {
log_unit_error(UNIT(s), "Unit has PAM enabled. Kill mode must be set to 'control-group'. Refusing to load.");
return -ENOEXEC;
}
if (s->exec_context.pam_name && s->kill_context.kill_mode != KILL_CONTROL_GROUP)
return log_unit_error_errno(UNIT(s), SYNTHETIC_ERRNO(ENOEXEC), "Unit has PAM enabled. Kill mode must be set to 'control-group'. Refusing to load.");
return 0;
}

17
src/core/timer.c
View File

@ -75,10 +75,8 @@ static int timer_verify(Timer *t) {
assert(t);
assert(UNIT(t)->load_state == UNIT_LOADED);
if (!t->values && !t->on_clock_change && !t->on_timezone_change) {
log_unit_error(UNIT(t), "Timer unit lacks value setting. Refusing.");
return -ENOEXEC;
}
if (!t->values && !t->on_clock_change && !t->on_timezone_change)
return log_unit_error_errno(UNIT(t), SYNTHETIC_ERRNO(ENOEXEC), "Timer unit lacks value setting. Refusing.");
return 0;
}
@ -101,14 +99,13 @@ static int timer_add_default_dependencies(Timer *t) {
if (r < 0)
return r;
LIST_FOREACH(value, v, t->values) {
LIST_FOREACH(value, v, t->values)
if (v->base == TIMER_CALENDAR) {
r = unit_add_dependency_by_name(UNIT(t), UNIT_AFTER, SPECIAL_TIME_SYNC_TARGET, true, UNIT_DEPENDENCY_DEFAULT);
if (r < 0)
return r;
break;
}
}
}
return unit_add_two_dependencies_by_name(UNIT(t), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, true, UNIT_DEPENDENCY_DEFAULT);
@ -259,8 +256,7 @@ static void timer_dump(Unit *u, FILE *f, const char *prefix) {
prefix, yes_no(t->on_clock_change),
prefix, yes_no(t->on_timezone_change));
LIST_FOREACH(value, v, t->values) {
LIST_FOREACH(value, v, t->values)
if (v->base == TIMER_CALENDAR) {
_cleanup_free_ char *p = NULL;
@ -280,7 +276,6 @@ static void timer_dump(Unit *u, FILE *f, const char *prefix) {
timer_base_to_string(v->base),
format_timespan(timespan1, sizeof(timespan1), v->value, 0));
}
}
}
static void timer_set_state(Timer *t, TimerState state) {
@ -670,9 +665,7 @@ static int timer_start(Unit *u) {
}
} else if (errno == ENOENT)
/* The timer has never run before,
* make sure a stamp file exists.
*/
/* The timer has never run before, make sure a stamp file exists. */
(void) touch_file(t->stamp_path, true, USEC_INFINITY, UID_INVALID, GID_INVALID, MODE_INVALID);
}

2
src/core/unit-printf.c
View File

@ -181,7 +181,7 @@ int unit_name_printf(const Unit *u, const char* format, char **ret) {
* %N: the id of the unit without the suffix (foo-aaa@bar)
* %p: the prefix (foo-aaa)
* %i: the instance (bar)
* %j: the last componet of the prefix (aaa)
* %j: the last component of the prefix (aaa)
*/
const Specifier table[] = {

10
src/core/unit.c
View File

@ -1668,8 +1668,8 @@ int unit_load(Unit *u) {
goto fail;
if (u->on_failure_job_mode == JOB_ISOLATE && hashmap_size(u->dependencies[UNIT_ON_FAILURE]) > 1) {
log_unit_error(u, "More than one OnFailure= dependencies specified but OnFailureJobMode=isolate set. Refusing.");
r = -ENOEXEC;
r = log_unit_error_errno(u, SYNTHETIC_ERRNO(ENOEXEC),
"More than one OnFailure= dependencies specified but OnFailureJobMode=isolate set. Refusing.");
goto fail;
}
@ -2022,10 +2022,8 @@ int unit_reload(Unit *u) {
if (state == UNIT_RELOADING)
return -EAGAIN;
if (state != UNIT_ACTIVE) {
log_unit_warning(u, "Unit cannot be reloaded because it is inactive.");
return -ENOEXEC;
}
if (state != UNIT_ACTIVE)
return log_unit_warning_errno(u, SYNTHETIC_ERRNO(ENOEXEC), "Unit cannot be reloaded because it is inactive.");
following = unit_following(u);
if (following) {

3
src/cryptsetup/cryptsetup-generator.c
View File

@ -445,14 +445,13 @@ static int create_disk(
fprintf(f, "After=%s\n"
"Requires=%s\n", unit, unit);
if (umount_unit) {
if (umount_unit)
fprintf(f,
"Wants=%s\n"
"Before=%s\n",
umount_unit,
umount_unit
);
}
}
if (!nofail)

15
src/network/netdev/netdev.c
View File

@ -400,10 +400,8 @@ int netdev_set_ifindex(NetDev *netdev, sd_netlink_message *message) {
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not get rtnl message type: %m");
if (type != RTM_NEWLINK) {
log_netdev_error(netdev, "Cannot set ifindex from unexpected rtnl message type.");
return -EINVAL;
}
if (type != RTM_NEWLINK)
return log_netdev_error_errno(netdev, SYNTHETIC_ERRNO(EINVAL), "Cannot set ifindex from unexpected rtnl message type.");
r = sd_rtnl_message_link_get_ifindex(message, &ifindex);
if (r < 0) {
@ -434,7 +432,7 @@ int netdev_set_ifindex(NetDev *netdev, sd_netlink_message *message) {
if (!streq(netdev->ifname, received_name)) {
log_netdev_error(netdev, "Received newlink with wrong IFNAME %s", received_name);
netdev_enter_failed(netdev);
return r;
return -EINVAL;
}
r = sd_netlink_message_enter_container(message, IFLA_LINKINFO);
@ -462,11 +460,10 @@ int netdev_set_ifindex(NetDev *netdev, sd_netlink_message *message) {
}
if (!streq(kind, received_kind)) {
log_netdev_error(netdev,
"Received newlink with wrong KIND %s, "
"expected %s", received_kind, kind);
log_netdev_error(netdev, "Received newlink with wrong KIND %s, expected %s",
received_kind, kind);
netdev_enter_failed(netdev);
return r;
return -EINVAL;
}
netdev->ifindex = ifindex;

6
src/network/networkd-can.c
View File

@ -195,10 +195,8 @@ static int link_set_can(Link *link) {
format_timespan(time_string, FORMAT_TIMESPAN_MAX, restart_ms * 1000, MSEC_PER_SEC);
if (restart_ms > UINT32_MAX) {
log_link_error(link, "restart timeout (%s) too big.", time_string);
return -ERANGE;
}
if (restart_ms > UINT32_MAX)
return log_link_error_errno(link, SYNTHETIC_ERRNO(ERANGE), "restart timeout (%s) too big.", time_string);
log_link_debug(link, "Setting restart = %s", time_string);

14
src/oom/oomd-util.h
View File

@ -64,24 +64,14 @@ static inline int compare_pgscan(OomdCGroupContext * const *c1, OomdCGroupContex
assert(c1);
assert(c2);
if ((*c1)->pgscan > (*c2)->pgscan)
return -1;
else if ((*c1)->pgscan < (*c2)->pgscan)
return 1;
else
return 0;
return CMP((*c2)->pgscan, (*c1)->pgscan);
}
static inline int compare_swap_usage(OomdCGroupContext * const *c1, OomdCGroupContext * const *c2) {
assert(c1);
assert(c2);
if ((*c1)->swap_usage > (*c2)->swap_usage)
return -1;
else if ((*c1)->swap_usage < (*c2)->swap_usage)
return 1;
else
return 0;
return CMP((*c2)->swap_usage, (*c1)->swap_usage);
}
/* Get an array of OomdCGroupContexts from `h`, qsorted from largest to smallest values according to `compare_func`.

2
src/oom/test-oomd-util.c
View File

@ -23,7 +23,7 @@ static int fork_and_sleep(unsigned sleep_min) {
if (pid == 0) {
timeout = sleep_min * USEC_PER_MINUTE;
ts = now(CLOCK_MONOTONIC);
while (true) {
for (;;) {
n = now(CLOCK_MONOTONIC);
if (ts + timeout < n) {
log_error("Child timed out waiting to be killed");

4
src/shared/mount-util.h
View File

@ -5,6 +5,7 @@
#include <stdio.h>
#include <unistd.h>
#include "alloc-util.h"
#include "errno-util.h"
#include "macro.h"
@ -93,7 +94,6 @@ static inline char* umount_and_rmdir_and_free(char *p) {
PROTECT_ERRNO;
(void) umount_recursive(p, 0);
(void) rmdir(p);
free(p);
return NULL;
return mfree(p);
}
DEFINE_TRIVIAL_CLEANUP_FUNC(char*, umount_and_rmdir_and_free);