polkitpolicy_files += \
src/machine/org.freedesktop.machine1.policy
-polkitpolicy_in_files += \
- src/machine/org.freedesktop.machine1.policy.in
-
dist_zshcompletion_DATA += \
shell-completion/zsh/_machinectl \
shell-completion/zsh/_sd_machines
endif
+polkitpolicy_in_files += \
+ src/machine/org.freedesktop.machine1.policy.in
+
EXTRA_DIST += \
units/systemd-machined.service.in
polkitpolicy_files += \
src/import/org.freedesktop.import1.policy
-polkitpolicy_in_files += \
- src/import/org.freedesktop.import1.policy.in
-
manual_tests += \
test-qcow2
endif
+polkitpolicy_in_files += \
+ src/import/org.freedesktop.import1.policy.in
+
EXTRA_DIST += \
units/systemd-importd.service.in \
src/resolve/resolved.conf.in
-pipe \
-Wall \
-Wextra \
- -Wno-inline \
-Wundef \
"-Wformat=2 -Wformat-security -Wformat-nonliteral" \
-Wlogical-op \
-Wdeclaration-after-statement \
-Wfloat-equal \
-Wsuggest-attribute=noreturn \
- -Wmissing-prototypes \
+ -Werror=missing-prototypes \
+ -Werror=implicit-function-declaration \
+ -Werror=missing-declarations \
+ -Werror=return-type \
-Wstrict-prototypes \
-Wredundant-decls \
- -Wmissing-declarations \
-Wmissing-noreturn \
-Wshadow \
-Wendif-labels \
-Wstrict-aliasing=2 \
-Wwrite-strings \
- -Wno-long-long \
- -Wno-overlength-strings \
-Wno-unused-parameter \
-Wno-missing-field-initializers \
- -Wno-unused-result \
-Wno-format-signedness \
-Werror=overflow \
-Wdate-time \
mouse:usb:v046dpc01b:name:Logitech USB-PS/2 Optical Mouse:
# Logitech USB-PS/2 M-BT58
mouse:usb:v046dpc03e:name:Logitech USB-PS/2 Optical Mouse:
+# Logitech TrackMan Marble Wheel USB
+mouse:usb:v046dpc401:name:Logitech USB-PS/2 Trackball:
MOUSE_DPI=400@125
# Lenovo USB mouse model MO28UOL
MOUSE_DPI=600@125
# Logitech Wireless Mouse M325
+mouse:usb:v046dp400a:name:Logitech M325:
mouse:usb:v046dpc52b:name:Logitech Unifying Device. Wireless PID:400a:
MOUSE_DPI=600@166
MOUSE_WHEEL_CLICK_ANGLE=20
MOUSE_DPI=540@167
# Logitech Wireless Mouse M185
+mouse:usb:v046dp4008:name:Logitech M185:
mouse:usb:v046dpc52b:name:Logitech Unifying Device. Wireless PID:4008:
# Logitech M705 (marathon mouse)
+mouse:usb:v046dp101b:name:Logitech M705:
mouse:usb:v046dpc52b:name:Logitech Unifying Device. Wireless PID:101b:
MOUSE_DPI=800@166
MOUSE_DPI=400@500 *800@500 2000@500
# Logitech B605 Wireless Mouse (also M505)
+mouse:usb:v046dp101d:name:Logitech B605:
+mouse:usb:v046dp101d:name:Logitech M505:
mouse:usb:v046dpc52b:name:Logitech Unifying Device. Wireless PID:101d:
MOUSE_DPI=900@166
MOUSE_DPI=1200@125
# Logitech T620 (or, the soap)
+mouse:usb:v046dp4027:name:Logitech T620:
mouse:usb:v046dpc52b:name:Logitech Unifying Device. Wireless PID:4027:
MOUSE_DPI=1200@250
# Logitech ZoneTouch Mouse T400
+mouse:usb:v046dp4026:name:Logitech T400:
mouse:usb:v046dpc52b:name:Logitech Unifying Device. Wireless PID:4026:
MOUSE_DPI=1300@166
#include "log.h"
#include "strv.h"
#include "macro.h"
+#include "signal-util.h"
static char** arg_listen = NULL;
static bool arg_accept = false;
/* In the child */
if (child_pid == 0) {
+
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
+
r = dup2(fd, STDIN_FILENO);
if (r < 0) {
log_error_errno(errno, "Failed to dup connection to stdin: %m");
if (pid == 0) {
int ret;
- default_signals(SIGNALS_CRASH_HANDLER, SIGNALS_IGNORE, -1);
- ignore_signals(SIGPIPE, -1);
+ (void) default_signals(SIGNALS_CRASH_HANDLER, SIGNALS_IGNORE, -1);
+ (void) ignore_signals(SIGPIPE, -1);
log_forget_fds();
r = bus_kernel_make_starter(n->starter_fd, n->name, n->activating, n->accept_fd, n->policy, n->policy_world);
/* Block SIGTERM, so that we know that it won't get lost in
* the child */
+
if (sigemptyset(&ss) < 0 ||
sigaddset(&ss, SIGTERM) < 0 ||
sigprocmask(SIG_BLOCK, &ss, &old_ss) < 0)
if (setresuid(uid, uid, uid) < 0)
log_error_errno(r, "Error: Failed to setresuid() in sd-pam: %m");
+ (void) ignore_signals(SIGPIPE, -1);
+
/* Wait until our parent died. This will only work if
* the above setresuid() succeeds, otherwise the kernel
* will not allow unprivileged parents kill their privileged
* others we leave untouched because we set them to
* SIG_DFL or a valid handler initially, both of which
* will be demoted to SIG_DFL. */
- default_signals(SIGNALS_CRASH_HANDLER,
- SIGNALS_IGNORE, -1);
+ (void) default_signals(SIGNALS_CRASH_HANDLER,
+ SIGNALS_IGNORE, -1);
if (context->ignore_sigpipe)
- ignore_signals(SIGPIPE, -1);
+ (void) ignore_signals(SIGPIPE, -1);
r = reset_signal_mask();
if (r < 0) {
while ((d = readdir(dir))) {
pid_t pid;
+ int r;
if (d->d_type != DT_DIR &&
d->d_type != DT_UNKNOWN)
}
if (kill(pid, sig) >= 0) {
- if (pids)
- set_put(pids, ULONG_TO_PTR(pid));
+ if (pids) {
+ r = set_put(pids, ULONG_TO_PTR(pid));
+ if (r < 0)
+ log_oom();
+ }
} else if (errno != ENOENT)
log_warning_errno(errno, "Could not kill %d: %m", pid);
}
/* Reset all signal handlers. */
- assert_se(reset_all_signal_handlers() == 0);
-
- ignore_signals(SIGNALS_IGNORE, -1);
+ (void) reset_all_signal_handlers();
+ (void) ignore_signals(SIGNALS_IGNORE, -1);
if (parse_config_file() < 0) {
error_message = "Failed to parse config file";
/* Reenable any blocked signals, especially important
* if we switch from initial ramdisk to init=... */
- reset_all_signal_handlers();
- reset_signal_mask();
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
if (switch_root_init) {
args[0] = switch_root_init;
gid_t gid = GID_INVALID;
int ret;
- default_signals(SIGNALS_CRASH_HANDLER, SIGNALS_IGNORE, -1);
- ignore_signals(SIGPIPE, -1);
+ (void) default_signals(SIGNALS_CRASH_HANDLER, SIGNALS_IGNORE, -1);
+ (void) ignore_signals(SIGPIPE, -1);
log_forget_fds();
if (!isempty(s->user)) {
log_debug("%s", msg);
}
+static int disk_major_minor(const char *path, char **ret) {
+ struct stat st;
+
+ assert(path);
+
+ if (stat(path, &st) < 0)
+ return -errno;
+
+ if (!S_ISBLK(st.st_mode))
+ return -EINVAL;
+
+ if (asprintf(ret, "/dev/block/%d:%d", major(st.st_rdev), minor(st.st_rdev)) < 0)
+ return -errno;
+
+ return 0;
+}
+
static char* disk_description(const char *path) {
static const char name_fields[] =
return NULL;
}
-static int get_password(const char *name, usec_t until, bool accept_cached, char ***passwords) {
- int r;
+static int get_password(const char *vol, const char *src, usec_t until, bool accept_cached, char ***passwords) {
+ int r = 0;
char **p;
_cleanup_free_ char *text = NULL;
_cleanup_free_ char *escaped_name = NULL;
char *id;
+ const char *name = NULL;
+ _cleanup_free_ char *description = NULL, *name_buffer = NULL,
+ *mount_point = NULL, *maj_min = NULL;
- assert(name);
+ assert(vol);
+ assert(src);
assert(passwords);
+ description = disk_description(src);
+ mount_point = disk_mount_point(vol);
+
+ if (description && streq(vol, description)) {
+ /* If the description string is simply the
+ * volume name, then let's not show this
+ * twice */
+ free(description);
+ description = NULL;
+ }
+
+ if (mount_point && description)
+ r = asprintf(&name_buffer, "%s (%s) on %s", description, vol, mount_point);
+ else if (mount_point)
+ r = asprintf(&name_buffer, "%s on %s", vol, mount_point);
+ else if (description)
+ r = asprintf(&name_buffer, "%s (%s)", description, vol);
+
+ if (r < 0)
+ return log_oom();
+
+ name = name_buffer ? name_buffer : vol;
+
if (asprintf(&text, "Please enter passphrase for disk %s!", name) < 0)
return log_oom();
- escaped_name = cescape(name);
+ if (src)
+ (void) disk_major_minor(src, &maj_min);
+
+ if (maj_min) {
+ escaped_name = maj_min;
+ maj_min = NULL;
+ } else
+ escaped_name = cescape(name);
+
if (!escaped_name)
return log_oom();
unsigned tries;
usec_t until;
crypt_status_info status;
- const char *key_file = NULL, *name = NULL;
- _cleanup_free_ char *description = NULL, *name_buffer = NULL, *mount_point = NULL;
+ const char *key_file = NULL;
/* Arguments: systemd-cryptsetup attach VOLUME SOURCE-DEVICE [PASSWORD] [OPTIONS] */
/* A delicious drop of snake oil */
mlockall(MCL_FUTURE);
- description = disk_description(argv[3]);
- mount_point = disk_mount_point(argv[2]);
-
- if (description && streq(argv[2], description)) {
- /* If the description string is simply the
- * volume name, then let's not show this
- * twice */
- free(description);
- description = NULL;
- }
-
- k = 0;
- if (mount_point && description)
- k = asprintf(&name_buffer, "%s (%s) on %s", description, argv[2], mount_point);
- else if (mount_point)
- k = asprintf(&name_buffer, "%s on %s", argv[2], mount_point);
- else if (description)
- k = asprintf(&name_buffer, "%s (%s)", description, argv[2]);
-
- if (k < 0) {
- log_oom();
- goto finish;
- }
- name = name_buffer ? name_buffer : argv[2];
-
if (arg_header) {
log_debug("LUKS header: %s", arg_header);
k = crypt_init(&cd, arg_header);
_cleanup_strv_free_ char **passwords = NULL;
if (!key_file) {
- k = get_password(name, until, tries == 0 && !arg_verify, &passwords);
+ k = get_password(argv[2], argv[3], until, tries == 0 && !arg_verify, &passwords);
if (k == -EAGAIN)
continue;
else if (k < 0)
#include <string.h>
#include <unistd.h>
#include <getopt.h>
+#include <sys/prctl.h>
#include "hashmap.h"
#include "util.h"
#include "strv.h"
#include "process-util.h"
#include "terminal-util.h"
+#include "signal-util.h"
static const char prefixes[] =
"/etc\0"
if (pid < 0)
return log_error_errno(errno, "Failed to fork off diff: %m");
else if (pid == 0) {
+
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
+ assert_se(prctl(PR_SET_PDEATHSIG, SIGTERM) == 0);
+
execlp("diff", "diff", "-us", "--", bottom, top, NULL);
log_error_errno(errno, "Failed to execute diff: %m");
- _exit(1);
+ _exit(EXIT_FAILURE);
}
wait_for_terminate_and_warn("diff", pid, false);
/* Child */
- reset_all_signal_handlers();
- reset_signal_mask();
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
assert_se(prctl(PR_SET_PDEATHSIG, SIGTERM) == 0);
/* Close the reading side of the progress pipe */
static const char * const conf_file_dirs[] = {
"/etc/udev/hwdb.d",
- "/run/udev/hwdb.d",
UDEVLIBEXECDIR "/hwdb.d",
NULL
};
if (r <= 0)
goto finish;
- ignore_signals(SIGPIPE, -1);
+ (void) ignore_signals(SIGPIPE, -1);
r = export_main(argc, argv);
/* Child */
- reset_all_signal_handlers();
- reset_signal_mask();
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
assert_se(prctl(PR_SET_PDEATHSIG, SIGTERM) == 0);
pipefd[1] = safe_close(pipefd[1]);
/* Child */
- reset_all_signal_handlers();
- reset_signal_mask();
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
assert_se(prctl(PR_SET_PDEATHSIG, SIGTERM) == 0);
pipefd[0] = safe_close(pipefd[0]);
if (r <= 0)
goto finish;
- ignore_signals(SIGPIPE, -1);
+ (void) ignore_signals(SIGPIPE, -1);
r = import_main(argc, argv);
/* Child */
- reset_all_signal_handlers();
- reset_signal_mask();
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
assert_se(prctl(PR_SET_PDEATHSIG, SIGTERM) == 0);
pipefd[0] = safe_close(pipefd[0]);
/* Child */
- reset_all_signal_handlers();
- reset_signal_mask();
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
assert_se(prctl(PR_SET_PDEATHSIG, SIGTERM) == 0);
gpg_pipe[1] = safe_close(gpg_pipe[1]);
if (r <= 0)
goto finish;
- ignore_signals(SIGPIPE, -1);
+ (void) ignore_signals(SIGPIPE, -1);
r = pull_main(argc, argv);
/* In the child */
if (child_pid == 0) {
+
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
+
r = dup2(fd[1], STDOUT_FILENO);
if (r < 0) {
log_error_errno(errno, "Failed to dup pipe to stdout: %m");
goto finish;
}
if (pid == 0) {
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
+
execlp("gdb", "gdb", exe, path, NULL);
log_error_errno(errno, "Failed to invoke gdb: %m");
sd_bus_get_name_creds;
sd_bus_get_name_machine_id;
sd_bus_call_method;
+ sd_bus_call_method_async;
sd_bus_get_property;
sd_bus_get_property_trivial;
sd_bus_get_property_string;
return sd_bus_send(bus, m, NULL);
}
+_public_ int sd_bus_call_method_async(
+ sd_bus *bus,
+ sd_bus_slot **slot,
+ const char *destination,
+ const char *path,
+ const char *interface,
+ const char *member,
+ sd_bus_message_handler_t callback,
+ void *userdata,
+ const char *types, ...) {
+
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ int r;
+
+ assert_return(bus, -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
+
+ if (!BUS_IS_OPEN(bus->state))
+ return -ENOTCONN;
+
+ r = sd_bus_message_new_method_call(bus, &m, destination, path, interface, member);
+ if (r < 0)
+ return r;
+
+ if (!isempty(types)) {
+ va_list ap;
+
+ va_start(ap, types);
+ r = bus_message_append_ap(m, types, ap);
+ va_end(ap);
+ if (r < 0)
+ return r;
+ }
+
+ return sd_bus_call_async(bus, slot, m, callback, userdata, 0);
+}
+
_public_ int sd_bus_call_method(
sd_bus *bus,
const char *destination,
if (pid == 0) {
/* Child */
- reset_all_signal_handlers();
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
close_all_fds(s+1, 1);
}
r = -errno;
-
goto finish;
}
#include "strv.h"
#include "formats-util.h"
#include "process-util.h"
+#include "signal-util.h"
static const char* arg_what = "idle:sleep:shutdown";
static const char* arg_who = NULL;
if (pid == 0) {
/* Child */
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
+
close_all_fds(NULL, 0);
execvp(argv[optind], argv + optind);
return manager_kill_unit(u->manager, u->slice, KILL_ALL, signo, NULL);
}
-static bool
-elect_display_filter(Session *s) {
+static bool elect_display_filter(Session *s) {
/* Return true if the session is a candidate for the user’s ‘primary
* session’ or ‘display’. */
assert(s);
return (s->class == SESSION_USER && !s->stopping);
}
-static int
-elect_display_compare(Session *s1, Session *s2) {
+static int elect_display_compare(Session *s1, Session *s2) {
/* Indexed by SessionType. Lower numbers mean more preferred. */
const int type_ranks[_SESSION_TYPE_MAX] = {
[SESSION_UNSPECIFIED] = 0,
assert(link);
assert(link->network);
- assert(IN_SET(link->network->dhcp, ADDRESS_FAMILY_YES, ADDRESS_FAMILY_IPV4));
+ assert(link->network->dhcp & ADDRESS_FAMILY_IPV4);
r = sd_dhcp_client_new(&link->dhcp_client);
if (r < 0)
assert(link);
assert(link->network);
- assert(IN_SET(link->network->link_local, ADDRESS_FAMILY_IPV4, ADDRESS_FAMILY_YES));
+ assert(link->network->link_local & ADDRESS_FAMILY_IPV4);
r = sd_ipv4ll_new(&link->ipv4ll);
if (r < 0)
if (!link->network)
return false;
- return IN_SET(link->network->dhcp, ADDRESS_FAMILY_IPV6, ADDRESS_FAMILY_YES);
+ return link->network->dhcp & ADDRESS_FAMILY_IPV6;
}
bool link_dhcp4_enabled(Link *link) {
if (!link->network)
return false;
- return IN_SET(link->network->dhcp, ADDRESS_FAMILY_IPV4, ADDRESS_FAMILY_YES);
+ return link->network->dhcp & ADDRESS_FAMILY_IPV4;
}
bool link_dhcp4_server_enabled(Link *link) {
if (!link->network)
return false;
- return IN_SET(link->network->link_local, ADDRESS_FAMILY_IPV4, ADDRESS_FAMILY_YES);
+ return link->network->link_local & ADDRESS_FAMILY_IPV4;
}
bool link_ipv6ll_enabled(Link *link) {
if (!link->network)
return false;
- return IN_SET(link->network->link_local, ADDRESS_FAMILY_IPV6, ADDRESS_FAMILY_YES);
+ return link->network->link_local & ADDRESS_FAMILY_IPV6;
}
bool link_lldp_enabled(Link *link) {
if (!link->network)
return false;
- return IN_SET(link->network->ip_forward, ADDRESS_FAMILY_IPV4, ADDRESS_FAMILY_YES);
+ return link->network->ip_forward & ADDRESS_FAMILY_IPV4;
}
static bool link_ipv6_forward_enabled(Link *link) {
if (!link->network)
return false;
- return IN_SET(link->network->ip_forward, ADDRESS_FAMILY_IPV6, ADDRESS_FAMILY_YES);
+ return link->network->ip_forward & ADDRESS_FAMILY_IPV6;
}
#define FLAG_STRING(string, flag, old, new) \
if (nullfd > 2)
safe_close(nullfd);
- reset_all_signal_handlers();
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
close_all_fds(NULL, 0);
execle("/usr/bin/getent", "getent", database, key, NULL, &empty_env);
rtnl_socket_pair[0] = safe_close(rtnl_socket_pair[0]);
pid_socket_pair[0] = safe_close(pid_socket_pair[0]);
- reset_all_signal_handlers();
- reset_signal_mask();
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
r = outer_child(&barrier,
arg_directory,
#include <stdbool.h>
#include <errno.h>
#include <unistd.h>
+#include <sys/prctl.h>
#include "util.h"
#include "process-util.h"
+#include "signal-util.h"
static bool arg_skip = false;
static bool arg_force = false;
log_error_errno(errno, "fork(): %m");
return EXIT_FAILURE;
} else if (pid == 0) {
+
/* Child */
+
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
+ assert_se(prctl(PR_SET_PDEATHSIG, SIGTERM) == 0);
+
execv(cmdline[0], (char**) cmdline);
_exit(1); /* Operational error */
}
const char *arguments[5];
/* Child */
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
+
arguments[0] = MOUNT_PATH;
arguments[1] = me->mnt_dir;
arguments[2] = "-o";
/* Child */
- reset_all_signal_handlers();
- reset_signal_mask();
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
assert_se(prctl(PR_SET_PDEATHSIG, SIGTERM) == 0);
fd = safe_close(fd);
#include "process-util.h"
#include "macro.h"
#include "terminal-util.h"
+#include "signal-util.h"
static pid_t pager_pid = 0;
if (pager_pid == 0) {
const char* less_opts;
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
+
dup2(fd[0], STDIN_FILENO);
safe_close_pair(fd);
if (pid == 0) {
/* Child */
+
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
+
if (null_stdio) {
r = make_null_stdio();
if (r < 0) {
/* flags can be AT_SYMLINK_FOLLOW or 0 */
int path_is_mount_point(const char *t, int flags) {
_cleanup_close_ int fd = -1;
- _cleanup_free_ char *parent = NULL;
+ _cleanup_free_ char *canonical = NULL, *parent = NULL;
int r;
assert(t);
if (path_equal(t, "/"))
return 1;
- r = path_get_parent(t, &parent);
+ /* we need to resolve symlinks manually, we can't just rely on
+ * fd_is_mount_point() to do that for us; if we have a structure like
+ * /bin -> /usr/bin/ and /usr is a mount point, then the parent that we
+ * look at needs to be /usr, not /. */
+ if (flags & AT_SYMLINK_FOLLOW) {
+ canonical = canonicalize_file_name(t);
+ if (!canonical)
+ return -errno;
+ }
+
+ r = path_get_parent(canonical ?: t, &parent);
if (r < 0)
return r;
if (fd < 0)
return -errno;
- return fd_is_mount_point(fd, basename(t), flags);
+ return fd_is_mount_point(fd, basename(canonical ?: t), flags);
}
int path_is_read_only_fs(const char *path) {
assert_return(pty_is_child(pty), -EINVAL);
assert_return(pty_is_open(pty), -EALREADY);
- r = sigprocmask_many(SIG_SETMASK, -1);
+ r = reset_signal_mask();
if (r < 0)
return r;
#include "signal-util.h"
int reset_all_signal_handlers(void) {
+ static const struct sigaction sa = {
+ .sa_handler = SIG_DFL,
+ .sa_flags = SA_RESTART,
+ };
int sig, r = 0;
for (sig = 1; sig < _NSIG; sig++) {
- static const struct sigaction sa = {
- .sa_handler = SIG_DFL,
- .sa_flags = SA_RESTART,
- };
/* These two cannot be caught... */
if (sig == SIGKILL || sig == SIGSTOP)
/* On Linux the first two RT signals are reserved by
* glibc, and sigaction() will return EINVAL for them. */
if ((sigaction(sig, &sa, NULL) < 0))
- if (errno != EINVAL && r == 0)
+ if (errno != EINVAL && r >= 0)
r = -errno;
}
return 0;
}
+static int sigaction_many_ap(const struct sigaction *sa, int sig, va_list ap) {
+ int r = 0;
+
+ /* negative signal ends the list. 0 signal is skipped. */
+
+ if (sig < 0)
+ return 0;
+
+ if (sig > 0) {
+ if (sigaction(sig, sa, NULL) < 0)
+ r = -errno;
+ }
+
+ while ((sig = va_arg(ap, int)) >= 0) {
+
+ if (sig == 0)
+ continue;
+
+ if (sigaction(sig, sa, NULL) < 0) {
+ if (r >= 0)
+ r = -errno;
+ }
+ }
+
+ return r;
+}
+
int sigaction_many(const struct sigaction *sa, ...) {
va_list ap;
- int r = 0, sig;
+ int r;
va_start(ap, sa);
- while ((sig = va_arg(ap, int)) > 0)
- if (sigaction(sig, sa, NULL) < 0)
- r = -errno;
+ r = sigaction_many_ap(sa, 0, ap);
va_end(ap);
return r;
}
int ignore_signals(int sig, ...) {
+
static const struct sigaction sa = {
.sa_handler = SIG_IGN,
.sa_flags = SA_RESTART,
};
- va_list ap;
- int r = 0;
- if (sigaction(sig, &sa, NULL) < 0)
- r = -errno;
+ va_list ap;
+ int r;
va_start(ap, sig);
- while ((sig = va_arg(ap, int)) > 0)
- if (sigaction(sig, &sa, NULL) < 0)
- r = -errno;
+ r = sigaction_many_ap(&sa, sig, ap);
va_end(ap);
return r;
}
int default_signals(int sig, ...) {
+
static const struct sigaction sa = {
.sa_handler = SIG_DFL,
.sa_flags = SA_RESTART,
};
- va_list ap;
- int r = 0;
- if (sigaction(sig, &sa, NULL) < 0)
- r = -errno;
+ va_list ap;
+ int r;
va_start(ap, sig);
- while ((sig = va_arg(ap, int)) > 0)
- if (sigaction(sig, &sa, NULL) < 0)
- r = -errno;
+ r = sigaction_many_ap(&sa, sig, ap);
va_end(ap);
return r;
}
-void sigset_add_many(sigset_t *ss, ...) {
- va_list ap;
- int sig;
+static int sigset_add_many_ap(sigset_t *ss, va_list ap) {
+ int sig, r = 0;
assert(ss);
+ while ((sig = va_arg(ap, int)) >= 0) {
+
+ if (sig == 0)
+ continue;
+
+ if (sigaddset(ss, sig) < 0) {
+ if (r >= 0)
+ r = -errno;
+ }
+ }
+
+ return r;
+}
+
+int sigset_add_many(sigset_t *ss, ...) {
+ va_list ap;
+ int r;
+
va_start(ap, ss);
- while ((sig = va_arg(ap, int)) > 0)
- assert_se(sigaddset(ss, sig) == 0);
+ r = sigset_add_many_ap(ss, ap);
va_end(ap);
+
+ return r;
}
int sigprocmask_many(int how, ...) {
va_list ap;
sigset_t ss;
- int sig;
+ int r;
- assert_se(sigemptyset(&ss) == 0);
+ if (sigemptyset(&ss) < 0)
+ return -errno;
va_start(ap, how);
- while ((sig = va_arg(ap, int)) > 0)
- assert_se(sigaddset(&ss, sig) == 0);
+ r = sigset_add_many_ap(&ss, ap);
va_end(ap);
+ if (r < 0)
+ return r;
+
if (sigprocmask(how, &ss, NULL) < 0)
return -errno;
int default_signals(int sig, ...);
int sigaction_many(const struct sigaction *sa, ...);
-void sigset_add_many(sigset_t *ss, ...);
+int sigset_add_many(sigset_t *ss, ...);
int sigprocmask_many(int how, ...);
const char *signal_to_string(int i) _const_;
/* We fork this all off from a child process so that we can
* somewhat cleanly make use of SIGALRM to set a time limit */
- reset_all_signal_handlers();
- reset_signal_mask();
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
assert_se(prctl(PR_SET_PDEATHSIG, SIGTERM) == 0);
/* Make sure we actually can kill the agent, if we need to, in
* case somebody invoked us from a shell script that trapped
* SIGTERM or so... */
- reset_all_signal_handlers();
- reset_signal_mask();
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
/* Check whether our parent died before we were able
* to set the death signal and unblock the signals */
while ((x = set_steal_first(todo))) {
- r = set_put(done, x);
- if (r == -EEXIST) {
- free(x);
+ r = set_consume(done, x);
+ if (r == -EEXIST || r == 0)
continue;
- }
- if (r < 0) {
- free(x);
+ if (r < 0)
return r;
- }
/* Try to reuse the original flag set, but
* don't care for errors, in case of
orig_flags &= ~MS_RDONLY;
if (mount(NULL, x, NULL, orig_flags|MS_BIND|MS_REMOUNT|(ro ? MS_RDONLY : 0), NULL) < 0) {
+
/* Deal with mount points that are
* obstructed by a later mount */
- if (errno != ENOENT) {
- free(x);
+ if (errno != ENOENT)
return -errno;
- }
}
- free(x);
+
}
}
}
else if (pid == 0) {
/* Child */
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
+
execv(argv[0], (char**) argv);
log_error("Failed to execute %s: %m", argv[0]);
_exit(EXIT_FAILURE);
unsigned i = 1;
size_t argc;
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
+
argc = strv_length(paths)/2 + 1;
args = newa(const char*, argc + 1);
/* Convenience calls */
int sd_bus_call_method(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, sd_bus_message **reply, const char *types, ...);
+int sd_bus_call_method_async(sd_bus *bus, sd_bus_slot **slot, const char *destination, const char *path, const char *interface, const char *member, sd_bus_message_handler_t callback, void *userdata, const char *types, ...);
int sd_bus_get_property(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, sd_bus_message **reply, const char *type);
int sd_bus_get_property_trivial(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, char type, void *ret_ptr);
int sd_bus_get_property_string(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, char **ret); /* free the result! */
}
static void test_path_is_mount_point(void) {
- int fd, rt, rf, rlt, rlf;
+ int fd;
char tmp_dir[] = "/tmp/test-path-is-mount-point-XXXXXX";
_cleanup_free_ char *file1 = NULL, *file2 = NULL, *link1 = NULL, *link2 = NULL;
+ _cleanup_free_ char *dir1 = NULL, *dir1file = NULL, *dirlink1 = NULL, *dirlink1file = NULL;
+ _cleanup_free_ char *dir2 = NULL, *dir2file = NULL;
assert_se(path_is_mount_point("/", AT_SYMLINK_FOLLOW) > 0);
assert_se(path_is_mount_point("/", 0) > 0);
assert_se(path_is_mount_point("/sys", AT_SYMLINK_FOLLOW) > 0);
assert_se(path_is_mount_point("/sys", 0) > 0);
+ /* we'll create a hierarchy of different kinds of dir/file/link
+ * layouts:
+ *
+ * <tmp>/file1, <tmp>/file2
+ * <tmp>/link1 -> file1, <tmp>/link2 -> file2
+ * <tmp>/dir1/
+ * <tmp>/dir1/file
+ * <tmp>/dirlink1 -> dir1
+ * <tmp>/dirlink1file -> dirlink1/file
+ * <tmp>/dir2/
+ * <tmp>/dir2/file
+ */
+
/* file mountpoints */
assert_se(mkdtemp(tmp_dir) != NULL);
file1 = path_join(NULL, tmp_dir, "file1");
assert_se(path_is_mount_point(link1, AT_SYMLINK_FOLLOW) == 0);
assert_se(path_is_mount_point(link1, 0) == 0);
- /* this test will only work as root */
+ /* directory mountpoints */
+ dir1 = path_join(NULL, tmp_dir, "dir1");
+ assert_se(dir1);
+ assert_se(mkdir(dir1, 0755) == 0);
+ dirlink1 = path_join(NULL, tmp_dir, "dirlink1");
+ assert_se(dirlink1);
+ assert_se(symlink("dir1", dirlink1) == 0);
+ dirlink1file = path_join(NULL, tmp_dir, "dirlink1file");
+ assert_se(dirlink1file);
+ assert_se(symlink("dirlink1/file", dirlink1file) == 0);
+ dir2 = path_join(NULL, tmp_dir, "dir2");
+ assert_se(dir2);
+ assert_se(mkdir(dir2, 0755) == 0);
+
+ assert_se(path_is_mount_point(dir1, AT_SYMLINK_FOLLOW) == 0);
+ assert_se(path_is_mount_point(dir1, 0) == 0);
+ assert_se(path_is_mount_point(dirlink1, AT_SYMLINK_FOLLOW) == 0);
+ assert_se(path_is_mount_point(dirlink1, 0) == 0);
+
+ /* file in subdirectory mountpoints */
+ dir1file = path_join(NULL, dir1, "file");
+ assert_se(dir1file);
+ fd = open(dir1file, O_WRONLY|O_CREAT|O_EXCL|O_CLOEXEC, 0664);
+ assert_se(fd > 0);
+ close(fd);
+
+ assert_se(path_is_mount_point(dir1file, AT_SYMLINK_FOLLOW) == 0);
+ assert_se(path_is_mount_point(dir1file, 0) == 0);
+ assert_se(path_is_mount_point(dirlink1file, AT_SYMLINK_FOLLOW) == 0);
+ assert_se(path_is_mount_point(dirlink1file, 0) == 0);
+
+ /* these tests will only work as root */
if (mount(file1, file2, NULL, MS_BIND, NULL) >= 0) {
+ int rt, rf, rlt, rlf, rl1t, rl1f;
+
+ /* files */
+ /* capture results in vars, to avoid dangling mounts on failure */
rf = path_is_mount_point(file2, 0);
rt = path_is_mount_point(file2, AT_SYMLINK_FOLLOW);
rlf = path_is_mount_point(link2, 0);
assert_se(rt == 1);
assert_se(rlf == 0);
assert_se(rlt == 1);
+
+ /* dirs */
+ dir2file = path_join(NULL, dir2, "file");
+ assert_se(dir2file);
+ fd = open(dir2file, O_WRONLY|O_CREAT|O_EXCL|O_CLOEXEC, 0664);
+ assert_se(fd > 0);
+ close(fd);
+
+ assert_se(mount(dir2, dir1, NULL, MS_BIND, NULL) >= 0);
+
+ rf = path_is_mount_point(dir1, 0);
+ rt = path_is_mount_point(dir1, AT_SYMLINK_FOLLOW);
+ rlf = path_is_mount_point(dirlink1, 0);
+ rlt = path_is_mount_point(dirlink1, AT_SYMLINK_FOLLOW);
+ /* its parent is a mount point, but not /file itself */
+ rl1f = path_is_mount_point(dirlink1file, 0);
+ rl1t = path_is_mount_point(dirlink1file, AT_SYMLINK_FOLLOW);
+
+ assert_se(umount(dir1) == 0);
+
+ assert_se(rf == 1);
+ assert_se(rt == 1);
+ assert_se(rlf == 0);
+ assert_se(rlt == 1);
+ assert_se(rl1f == 0);
+ assert_se(rl1t == 0);
+
} else
printf("Skipping bind mount file test: %m\n");
static const char * const conf_file_dirs[] = {
"/etc/udev/hwdb.d",
- "/run/udev/hwdb.d",
UDEVLIBEXECDIR "/hwdb.d",
NULL
};
#include "fileio.h"
#include "process-util.h"
#include "terminal-util.h"
+#include "signal-util.h"
static bool is_vconsole(int fd) {
unsigned char data[1];
if (pid < 0)
return log_error_errno(errno, "Failed to fork: %m");
else if (pid == 0) {
+
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
+
execv(args[0], (char **) args);
_exit(EXIT_FAILURE);
}
if (pid < 0)
return log_error_errno(errno, "Failed to fork: %m");
else if (pid == 0) {
+
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
+
execv(args[0], (char **) args);
_exit(EXIT_FAILURE);
}
ConditionPathExists=|!@udevlibexecdir@/hwdb.bin
ConditionPathExists=|/etc/udev/hwdb.bin
ConditionDirectoryNotEmpty=|/etc/udev/hwdb.d/
-ConditionDirectoryNotEmpty=|/run/udev/hwdb.d/
[Service]
Type=oneshot
projects / thirdparty / systemd.git / commitdiff
