diff options
Diffstat (limited to 'src/core')
-rw-r--r-- | src/core/automount.c | 2 | ||||
-rw-r--r-- | src/core/cgroup.c | 11 | ||||
-rw-r--r-- | src/core/device.c | 4 | ||||
-rw-r--r-- | src/core/killall.c | 3 | ||||
-rw-r--r-- | src/core/load-fragment-gperf.gperf.m4 | 22 | ||||
-rw-r--r-- | src/core/load-fragment.c | 123 | ||||
-rw-r--r-- | src/core/machine-id-setup.c | 2 | ||||
-rw-r--r-- | src/core/manager.c | 16 | ||||
-rw-r--r-- | src/core/mount-setup.c | 2 | ||||
-rw-r--r-- | src/core/mount.c | 2 | ||||
-rw-r--r-- | src/core/namespace.c | 6 | ||||
-rw-r--r-- | src/core/scope.c | 7 | ||||
-rw-r--r-- | src/core/service.c | 35 | ||||
-rw-r--r-- | src/core/service.h | 2 | ||||
-rw-r--r-- | src/core/socket.c | 8 | ||||
-rw-r--r-- | src/core/swap.c | 2 | ||||
-rw-r--r-- | src/core/umount.c | 19 | ||||
-rw-r--r-- | src/core/unit-printf.c | 61 | ||||
-rw-r--r-- | src/core/unit.c | 14 |
19 files changed, 191 insertions, 150 deletions
diff --git a/src/core/automount.c b/src/core/automount.c index 5fa6eb7b18..8ff1ca90f7 100644 --- a/src/core/automount.c +++ b/src/core/automount.c @@ -783,7 +783,7 @@ static int automount_start(Unit *u) { assert(a); assert(a->state == AUTOMOUNT_DEAD || a->state == AUTOMOUNT_FAILED); - if (path_is_mount_point(a->where, 0) > 0) { + 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; } diff --git a/src/core/cgroup.c b/src/core/cgroup.c index 6dab6e9043..5789e2aa82 100644 --- a/src/core/cgroup.c +++ b/src/core/cgroup.c @@ -287,14 +287,21 @@ static int lookup_block_device(const char *p, dev_t *dev) { static int whitelist_device(const char *path, const char *node, const char *acc) { char buf[2+DECIMAL_STR_MAX(dev_t)*2+2+4]; struct stat st; + bool ignore_notfound; int r; assert(path); assert(acc); + if (node[0] == '-') { + /* Non-existent paths starting with "-" must be silently ignored */ + node++; + ignore_notfound = true; + } else + ignore_notfound = false; + if (stat(node, &st) < 0) { - /* path starting with "-" must be silently ignored */ - if (errno == ENOENT && startswith(node, "-")) + if (errno == ENOENT && ignore_notfound) return 0; return log_warning_errno(errno, "Couldn't stat device %s: %m", node); diff --git a/src/core/device.c b/src/core/device.c index 8e2e3c7bed..e345552f24 100644 --- a/src/core/device.c +++ b/src/core/device.c @@ -359,7 +359,7 @@ static int device_setup_unit(Manager *m, struct udev_device *dev, const char *pa fail: log_unit_warning_errno(u, r, "Failed to set up device unit: %m"); - if (delete && u) + if (delete) unit_free(u); return r; @@ -418,7 +418,7 @@ static int device_process_new(Manager *m, struct udev_device *dev) { * aliases */ alias = udev_device_get_property_value(dev, "SYSTEMD_ALIAS"); for (;;) { - _cleanup_free_ char *word = NULL, *k = NULL; + _cleanup_free_ char *word = NULL; r = extract_first_word(&alias, &word, NULL, EXTRACT_QUOTES); if (r == 0) diff --git a/src/core/killall.c b/src/core/killall.c index 3bc19e9c84..b3aa22adc5 100644 --- a/src/core/killall.c +++ b/src/core/killall.c @@ -24,6 +24,7 @@ #include "alloc-util.h" #include "def.h" +#include "dirent-util.h" #include "fd-util.h" #include "format-util.h" #include "killall.h" @@ -172,7 +173,7 @@ static int killall(int sig, Set *pids, bool send_sighup) { if (!dir) return -errno; - while ((d = readdir(dir))) { + FOREACH_DIRENT_ALL(d, dir, break) { pid_t pid; int r; diff --git a/src/core/load-fragment-gperf.gperf.m4 b/src/core/load-fragment-gperf.gperf.m4 index f4ef5a0140..2610442b91 100644 --- a/src/core/load-fragment-gperf.gperf.m4 +++ b/src/core/load-fragment-gperf.gperf.m4 @@ -191,13 +191,13 @@ Unit.IgnoreOnIsolate, config_parse_bool, 0, Unit.IgnoreOnSnapshot, config_parse_warn_compat, DISABLED_LEGACY, 0 Unit.JobTimeoutSec, config_parse_sec_fix_0, 0, offsetof(Unit, job_timeout) Unit.JobTimeoutAction, config_parse_emergency_action, 0, offsetof(Unit, job_timeout_action) -Unit.JobTimeoutRebootArgument, config_parse_string, 0, offsetof(Unit, job_timeout_reboot_arg) +Unit.JobTimeoutRebootArgument, config_parse_unit_string_printf, 0, offsetof(Unit, job_timeout_reboot_arg) Unit.StartLimitIntervalSec, config_parse_sec, 0, offsetof(Unit, start_limit.interval) m4_dnl The following is a legacy alias name for compatibility Unit.StartLimitInterval, config_parse_sec, 0, offsetof(Unit, start_limit.interval) Unit.StartLimitBurst, config_parse_unsigned, 0, offsetof(Unit, start_limit.burst) Unit.StartLimitAction, config_parse_emergency_action, 0, offsetof(Unit, start_limit_action) -Unit.RebootArgument, config_parse_string, 0, offsetof(Unit, reboot_arg) +Unit.RebootArgument, config_parse_unit_string_printf, 0, offsetof(Unit, reboot_arg) Unit.ConditionPathExists, config_parse_unit_condition_path, CONDITION_PATH_EXISTS, offsetof(Unit, conditions) Unit.ConditionPathExistsGlob, config_parse_unit_condition_path, CONDITION_PATH_EXISTS_GLOB, offsetof(Unit, conditions) Unit.ConditionPathIsDirectory, config_parse_unit_condition_path, CONDITION_PATH_IS_DIRECTORY, offsetof(Unit, conditions) @@ -254,7 +254,7 @@ m4_dnl The following three only exist for compatibility, they moved into Unit, s Service.StartLimitInterval, config_parse_sec, 0, offsetof(Unit, start_limit.interval) Service.StartLimitBurst, config_parse_unsigned, 0, offsetof(Unit, start_limit.burst) Service.StartLimitAction, config_parse_emergency_action, 0, offsetof(Unit, start_limit_action) -Service.RebootArgument, config_parse_string, 0, offsetof(Unit, reboot_arg) +Service.RebootArgument, config_parse_unit_path_printf, 0, offsetof(Unit, reboot_arg) Service.FailureAction, config_parse_emergency_action, 0, offsetof(Service, emergency_action) Service.Type, config_parse_service_type, 0, offsetof(Service, type) Service.Restart, config_parse_service_restart, 0, offsetof(Service, restart) @@ -272,8 +272,8 @@ Service.FileDescriptorStoreMax, config_parse_unsigned, 0, Service.NotifyAccess, config_parse_notify_access, 0, offsetof(Service, notify_access) Service.Sockets, config_parse_service_sockets, 0, 0 Service.BusPolicy, config_parse_warn_compat, DISABLED_LEGACY, 0 -Service.USBFunctionDescriptors, config_parse_path, 0, offsetof(Service, usb_function_descriptors) -Service.USBFunctionStrings, config_parse_path, 0, offsetof(Service, usb_function_strings) +Service.USBFunctionDescriptors, config_parse_unit_path_printf, 0, offsetof(Service, usb_function_descriptors) +Service.USBFunctionStrings, config_parse_unit_path_printf, 0, offsetof(Service, usb_function_strings) EXEC_CONTEXT_CONFIG_ITEMS(Service)m4_dnl CGROUP_CONTEXT_CONFIG_ITEMS(Service)m4_dnl KILL_CONTEXT_CONFIG_ITEMS(Service)m4_dnl @@ -332,9 +332,9 @@ Socket.Service, config_parse_socket_service, 0, Socket.TriggerLimitIntervalSec, config_parse_sec, 0, offsetof(Socket, trigger_limit.interval) Socket.TriggerLimitBurst, config_parse_unsigned, 0, offsetof(Socket, trigger_limit.burst) m4_ifdef(`HAVE_SMACK', -`Socket.SmackLabel, config_parse_string, 0, offsetof(Socket, smack) -Socket.SmackLabelIPIn, config_parse_string, 0, offsetof(Socket, smack_ip_in) -Socket.SmackLabelIPOut, config_parse_string, 0, offsetof(Socket, smack_ip_out)', +`Socket.SmackLabel, config_parse_unit_string_printf, 0, offsetof(Socket, smack) +Socket.SmackLabelIPIn, config_parse_unit_string_printf, 0, offsetof(Socket, smack_ip_in) +Socket.SmackLabelIPOut, config_parse_unit_string_printf, 0, offsetof(Socket, smack_ip_out)', `Socket.SmackLabel, config_parse_warn_compat, DISABLED_CONFIGURATION, 0 Socket.SmackLabelIPIn, config_parse_warn_compat, DISABLED_CONFIGURATION, 0 Socket.SmackLabelIPOut, config_parse_warn_compat, DISABLED_CONFIGURATION, 0') @@ -354,9 +354,9 @@ BusName.AllowWorld, config_parse_bus_policy_world, 0, BusName.SELinuxContext, config_parse_exec_selinux_context, 0, 0 BusName.AcceptFileDescriptors, config_parse_bool, 0, offsetof(BusName, accept_fd) m4_dnl -Mount.What, config_parse_string, 0, offsetof(Mount, parameters_fragment.what) +Mount.What, config_parse_unit_string_printf, 0, offsetof(Mount, parameters_fragment.what) Mount.Where, config_parse_path, 0, offsetof(Mount, where) -Mount.Options, config_parse_string, 0, offsetof(Mount, parameters_fragment.options) +Mount.Options, config_parse_unit_string_printf, 0, offsetof(Mount, parameters_fragment.options) Mount.Type, config_parse_string, 0, offsetof(Mount, parameters_fragment.fstype) Mount.TimeoutSec, config_parse_sec, 0, offsetof(Mount, timeout_usec) Mount.DirectoryMode, config_parse_mode, 0, offsetof(Mount, directory_mode) @@ -373,7 +373,7 @@ Automount.TimeoutIdleSec, config_parse_sec, 0, m4_dnl Swap.What, config_parse_path, 0, offsetof(Swap, parameters_fragment.what) Swap.Priority, config_parse_int, 0, offsetof(Swap, parameters_fragment.priority) -Swap.Options, config_parse_string, 0, offsetof(Swap, parameters_fragment.options) +Swap.Options, config_parse_unit_string_printf, 0, offsetof(Swap, parameters_fragment.options) Swap.TimeoutSec, config_parse_sec, 0, offsetof(Swap, timeout_usec) EXEC_CONTEXT_CONFIG_ITEMS(Swap)m4_dnl CGROUP_CONTEXT_CONFIG_ITEMS(Swap)m4_dnl diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c index 970eed27c1..687cd1dd31 100644 --- a/src/core/load-fragment.c +++ b/src/core/load-fragment.c @@ -579,6 +579,7 @@ int config_parse_exec( void *userdata) { ExecCommand **e = data; + Unit *u = userdata; const char *p; bool semicolon; int r; @@ -604,8 +605,7 @@ int config_parse_exec( _cleanup_free_ ExecCommand *nce = NULL; _cleanup_strv_free_ char **n = NULL; size_t nlen = 0, nbufsize = 0; - char *f; - int i; + const char *f; semicolon = false; @@ -614,7 +614,7 @@ int config_parse_exec( return 0; f = firstword; - for (i = 0; i < 3; i++) { + for (;;) { /* We accept an absolute path as first argument. * If it's prefixed with - and the path doesn't exist, * we ignore it instead of erroring out; @@ -631,47 +631,47 @@ int config_parse_exec( f++; } - if (isempty(f)) { + r = unit_full_printf(u, f, &path); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", f); + return 0; + } + + if (isempty(path)) { /* First word is either "-" or "@" with no command. */ log_syntax(unit, LOG_ERR, filename, line, 0, "Empty path in command line, ignoring: \"%s\"", rvalue); return 0; } - if (!string_is_safe(f)) { + if (!string_is_safe(path)) { log_syntax(unit, LOG_ERR, filename, line, 0, "Executable path contains special characters, ignoring: %s", rvalue); return 0; } - if (!path_is_absolute(f)) { + if (!path_is_absolute(path)) { log_syntax(unit, LOG_ERR, filename, line, 0, "Executable path is not absolute, ignoring: %s", rvalue); return 0; } - if (endswith(f, "/")) { + if (endswith(path, "/")) { log_syntax(unit, LOG_ERR, filename, line, 0, "Executable path specifies a directory, ignoring: %s", rvalue); return 0; } - if (f == firstword) { - path = firstword; - firstword = NULL; - } else { - path = strdup(f); - if (!path) - return log_oom(); - } - if (!separate_argv0) { + char *w = NULL; + if (!GREEDY_REALLOC(n, nbufsize, nlen + 2)) return log_oom(); - f = strdup(path); - if (!f) + + w = strdup(path); + if (!w) return log_oom(); - n[nlen++] = f; + n[nlen++] = w; n[nlen] = NULL; } path_kill_slashes(path); while (!isempty(p)) { - _cleanup_free_ char *word = NULL; + _cleanup_free_ char *word = NULL, *resolved = NULL; /* Check explicitly for an unquoted semicolon as * command separator token. */ @@ -682,18 +682,21 @@ int config_parse_exec( break; } - /* Check for \; explicitly, to not confuse it with \\; - * or "\;" or "\\;" etc. extract_first_word would - * return the same for all of those. */ + /* Check for \; explicitly, to not confuse it with \\; or "\;" or "\\;" etc. + * extract_first_word() would return the same for all of those. */ if (p[0] == '\\' && p[1] == ';' && (!p[2] || strchr(WHITESPACE, p[2]))) { + char *w; + p += 2; p += strspn(p, WHITESPACE); + if (!GREEDY_REALLOC(n, nbufsize, nlen + 2)) return log_oom(); - f = strdup(";"); - if (!f) + + w = strdup(";"); + if (!w) return log_oom(); - n[nlen++] = f; + n[nlen++] = w; n[nlen] = NULL; continue; } @@ -701,14 +704,20 @@ int config_parse_exec( r = extract_first_word_and_warn(&p, &word, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE, unit, filename, line, rvalue); if (r == 0) break; - else if (r < 0) + if (r < 0) return 0; + r = unit_full_printf(u, word, &resolved); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to resolve unit specifiers on %s, ignoring: %m", word); + return 0; + } + if (!GREEDY_REALLOC(n, nbufsize, nlen + 2)) return log_oom(); - n[nlen++] = word; + n[nlen++] = resolved; n[nlen] = NULL; - word = NULL; + resolved = NULL; } if (!n || !n[0]) { @@ -1326,7 +1335,7 @@ int config_parse_exec_selinux_context( } else ignore = false; - r = unit_name_printf(u, rvalue, &k); + r = unit_full_printf(u, rvalue, &k); if (r < 0) { log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m"); return 0; @@ -1374,7 +1383,7 @@ int config_parse_exec_apparmor_profile( } else ignore = false; - r = unit_name_printf(u, rvalue, &k); + r = unit_full_printf(u, rvalue, &k); if (r < 0) { log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m"); return 0; @@ -1422,7 +1431,7 @@ int config_parse_exec_smack_process_label( } else ignore = false; - r = unit_name_printf(u, rvalue, &k); + r = unit_full_printf(u, rvalue, &k); if (r < 0) { log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m"); return 0; @@ -1689,7 +1698,7 @@ int config_parse_fdname( return 0; } - r = unit_name_printf(UNIT(s), rvalue, &p); + r = unit_full_printf(UNIT(s), rvalue, &p); if (r < 0) { log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %s", rvalue); return 0; @@ -2555,7 +2564,7 @@ int config_parse_unit_requires_mounts_for( assert(data); for (p = rvalue;; ) { - _cleanup_free_ char *word = NULL; + _cleanup_free_ char *word = NULL, *resolved = NULL; r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); if (r == 0) @@ -2573,9 +2582,15 @@ int config_parse_unit_requires_mounts_for( continue; } - r = unit_require_mounts_for(u, word); + r = unit_full_printf(u, word, &resolved); if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to add required mount \"%s\", ignoring: %m", word); + log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit name \"%s\", ignoring: %m", word); + continue; + } + + r = unit_require_mounts_for(u, resolved); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, r, "Failed to add required mount \"%s\", ignoring: %m", resolved); continue; } } @@ -3710,7 +3725,7 @@ int config_parse_runtime_directory( return 0; } - r = unit_name_printf(u, word, &k); + r = unit_full_printf(u, word, &k); if (r < 0) { log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers in \"%s\", ignoring: %m", word); @@ -3812,8 +3827,8 @@ int config_parse_namespace_path_strv( void *data, void *userdata) { + Unit *u = userdata; char*** sv = data; - const char *prev; const char *cur; int r; @@ -3828,10 +3843,10 @@ int config_parse_namespace_path_strv( return 0; } - prev = cur = rvalue; + cur = rvalue; for (;;) { - _cleanup_free_ char *word = NULL; - int offset; + _cleanup_free_ char *word = NULL, *resolved = NULL, *joined = NULL; + bool ignore_enoent; r = extract_first_word(&cur, &word, NULL, EXTRACT_QUOTES); if (r == 0) @@ -3839,31 +3854,37 @@ int config_parse_namespace_path_strv( if (r == -ENOMEM) return log_oom(); if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Trailing garbage, ignoring: %s", prev); + log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract first word, ignoring: %s", rvalue); return 0; } if (!utf8_is_valid(word)) { log_syntax_invalid_utf8(unit, LOG_ERR, filename, line, word); - prev = cur; continue; } - offset = word[0] == '-'; - if (!path_is_absolute(word + offset)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Not an absolute path, ignoring: %s", word); - prev = cur; + ignore_enoent = word[0] == '-'; + + r = unit_full_printf(u, word + ignore_enoent, &resolved); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers in %s: %m", word); + continue; + } + + if (!path_is_absolute(resolved)) { + log_syntax(unit, LOG_ERR, filename, line, 0, "Not an absolute path, ignoring: %s", resolved); continue; } - path_kill_slashes(word + offset); + path_kill_slashes(resolved); - r = strv_push(sv, word); + joined = strjoin(ignore_enoent ? "-" : "", resolved); + + r = strv_push(sv, joined); if (r < 0) return log_oom(); - prev = cur; - word = NULL; + joined = NULL; } return 0; diff --git a/src/core/machine-id-setup.c b/src/core/machine-id-setup.c index 76dfcfa6d7..c83bb561c7 100644 --- a/src/core/machine-id-setup.c +++ b/src/core/machine-id-setup.c @@ -199,7 +199,7 @@ int machine_id_commit(const char *root) { etc_machine_id = prefix_roota(root, "/etc/machine-id"); - r = path_is_mount_point(etc_machine_id, 0); + r = path_is_mount_point(etc_machine_id, NULL, 0); if (r < 0) return log_error_errno(r, "Failed to determine whether %s is a mount point: %m", etc_machine_id); if (r == 0) { diff --git a/src/core/manager.c b/src/core/manager.c index 1f663d3c1d..1192b20b74 100644 --- a/src/core/manager.c +++ b/src/core/manager.c @@ -17,7 +17,6 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ -#include <dirent.h> #include <errno.h> #include <fcntl.h> #include <linux/kd.h> @@ -233,6 +232,7 @@ static void manager_print_jobs_in_progress(Manager *m) { static int have_ask_password(void) { _cleanup_closedir_ DIR *dir; + struct dirent *de; dir = opendir("/run/systemd/ask-password"); if (!dir) { @@ -242,19 +242,11 @@ static int have_ask_password(void) { return -errno; } - for (;;) { - struct dirent *de; - - errno = 0; - de = readdir(dir); - if (!de && errno > 0) - return -errno; - if (!de) - return false; - + FOREACH_DIRENT_ALL(de, dir, return -errno) { if (startswith(de->d_name, "ask.")) return true; } + return false; } static int manager_dispatch_ask_password_fd(sd_event_source *source, @@ -2958,7 +2950,7 @@ static void manager_notify_finished(Manager *m) { total_usec = userspace_usec = m->finish_timestamp.monotonic - m->userspace_timestamp.monotonic; log_struct(LOG_INFO, - LOG_MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED), + LOG_MESSAGE_ID(SD_MESSAGE_USER_STARTUP_FINISHED), "USERSPACE_USEC="USEC_FMT, userspace_usec, LOG_MESSAGE("Startup finished in %s.", format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC)), diff --git a/src/core/mount-setup.c b/src/core/mount-setup.c index ca63a93e8b..6338067d7e 100644 --- a/src/core/mount-setup.c +++ b/src/core/mount-setup.c @@ -159,7 +159,7 @@ static int mount_one(const MountPoint *p, bool relabel) { if (relabel) (void) label_fix(p->where, true, true); - r = path_is_mount_point(p->where, AT_SYMLINK_FOLLOW); + r = path_is_mount_point(p->where, NULL, AT_SYMLINK_FOLLOW); if (r < 0 && r != -ENOENT) { log_full_errno((p->mode & MNT_FATAL) ? LOG_ERR : LOG_DEBUG, r, "Failed to determine whether %s is a mount point: %m", p->where); return (p->mode & MNT_FATAL) ? r : 0; diff --git a/src/core/mount.c b/src/core/mount.c index 1c2be28d55..0c4d061c27 100644 --- a/src/core/mount.c +++ b/src/core/mount.c @@ -1509,7 +1509,7 @@ static int mount_setup_unit( fail: log_warning_errno(r, "Failed to set up mount unit: %m"); - if (delete && u) + if (delete) unit_free(u); return r; diff --git a/src/core/namespace.c b/src/core/namespace.c index e9ad26bfc3..aca47a4d2f 100644 --- a/src/core/namespace.c +++ b/src/core/namespace.c @@ -596,7 +596,7 @@ static int apply_mount( case READONLY: case READWRITE: - r = path_is_mount_point(bind_mount_path(m), 0); + r = path_is_mount_point(bind_mount_path(m), NULL, 0); if (r < 0) return log_debug_errno(r, "Failed to determine whether %s is already a mount point: %m", bind_mount_path(m)); if (r > 0) /* Nothing to do here, it is already a mount. We just later toggle the MS_RDONLY bit for the mount point if needed. */ @@ -665,7 +665,7 @@ static int chase_all_symlinks(const char *root_directory, BindMount *m, unsigned _cleanup_free_ char *chased = NULL; int k; - k = chase_symlinks(bind_mount_path(f), root_directory, &chased); + k = chase_symlinks(bind_mount_path(f), root_directory, 0, &chased); if (k < 0) { /* Get only real errors */ if (r >= 0 && (k != -ENOENT || !f->ignore)) @@ -860,7 +860,7 @@ int setup_namespace( if (root_directory) { /* Turn directory into bind mount, if it isn't one yet */ - r = path_is_mount_point(root_directory, AT_SYMLINK_FOLLOW); + r = path_is_mount_point(root_directory, NULL, AT_SYMLINK_FOLLOW); if (r < 0) goto finish; if (r == 0) { diff --git a/src/core/scope.c b/src/core/scope.c index d6e1f8e392..9540fb67d9 100644 --- a/src/core/scope.c +++ b/src/core/scope.c @@ -273,7 +273,9 @@ static void scope_enter_signal(Scope *s, ScopeState state, ScopeResult f) { if (state == SCOPE_STOP_SIGTERM) skip_signal = bus_scope_send_request_stop(s) > 0; - if (!skip_signal) { + if (skip_signal) + r = 1; /* wait */ + else { r = unit_kill_context( UNIT(s), &s->kill_context, @@ -283,8 +285,7 @@ static void scope_enter_signal(Scope *s, ScopeState state, ScopeResult f) { -1, -1, false); if (r < 0) goto fail; - } else - r = 1; + } if (r > 0) { r = scope_arm_timer(s, usec_add(now(CLOCK_MONOTONIC), s->timeout_stop_usec)); diff --git a/src/core/service.c b/src/core/service.c index c68a7122b6..576416ad29 100644 --- a/src/core/service.c +++ b/src/core/service.c @@ -49,7 +49,6 @@ #include "string-util.h" #include "strv.h" #include "unit-name.h" -#include "unit-printf.h" #include "unit.h" #include "utf8.h" #include "util.h" @@ -1205,7 +1204,7 @@ static int service_spawn( ExecFlags flags, pid_t *_pid) { - _cleanup_strv_free_ char **argv = NULL, **final_env = NULL, **our_env = NULL, **fd_names = NULL; + _cleanup_strv_free_ char **final_env = NULL, **our_env = NULL, **fd_names = NULL; _cleanup_free_ int *fds = NULL; unsigned n_fds = 0, n_env = 0; const char *path; @@ -1263,10 +1262,6 @@ static int service_spawn( if (r < 0) return r; - r = unit_full_printf_strv(UNIT(s), c->argv, &argv); - if (r < 0) - return r; - our_env = new0(char*, 9); if (!our_env) return -ENOMEM; @@ -1349,7 +1344,7 @@ static int service_spawn( } else path = UNIT(s)->cgroup_path; - exec_params.argv = argv; + exec_params.argv = c->argv; exec_params.environment = final_env; exec_params.fds = fds; exec_params.fd_names = fd_names; @@ -1714,7 +1709,7 @@ static void service_enter_running(Service *s, ServiceResult f) { } } else if (f != SERVICE_SUCCESS) - service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); + service_enter_signal(s, SERVICE_STOP_SIGTERM, f); else if (s->remain_after_exit) service_set_state(s, SERVICE_EXITED); else @@ -1851,7 +1846,7 @@ static void service_enter_start(Service *s) { fail: log_unit_warning_errno(UNIT(s), r, "Failed to run 'start' task: %m"); - service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); + service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); } static void service_enter_start_pre(Service *s) { @@ -1997,9 +1992,7 @@ static void service_run_next_control(Service *s) { fail: log_unit_warning_errno(UNIT(s), r, "Failed to run next control task: %m"); - if (s->state == SERVICE_START_PRE) - service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); - else if (s->state == SERVICE_STOP) + if (IN_SET(s->state, SERVICE_START_PRE, SERVICE_STOP)) service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); else if (s->state == SERVICE_STOP_POST) service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); @@ -2600,7 +2593,7 @@ static void service_notify_cgroup_empty_event(Unit *u) { case SERVICE_START: if (s->type == SERVICE_NOTIFY) { /* No chance of getting a ready notification anymore */ - service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_PROTOCOL); + service_enter_stop_post(s, SERVICE_FAILURE_PROTOCOL); break; } @@ -2613,7 +2606,7 @@ static void service_notify_cgroup_empty_event(Unit *u) { service_unwatch_pid_file(s); if (s->state == SERVICE_START) - service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_PROTOCOL); + service_enter_stop_post(s, SERVICE_FAILURE_PROTOCOL); else service_enter_stop(s, SERVICE_FAILURE_PROTOCOL); } @@ -2747,17 +2740,17 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { if (f == SERVICE_SUCCESS) service_enter_start_post(s); else - service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); + service_enter_signal(s, SERVICE_STOP_SIGTERM, f); break; } else if (s->type == SERVICE_NOTIFY) { /* Only enter running through a notification, so that the * SERVICE_START state signifies that no ready notification * has been received */ if (f != SERVICE_SUCCESS) - service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); + service_enter_signal(s, SERVICE_STOP_SIGTERM, f); else if (!s->remain_after_exit) /* The service has never been active */ - service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_PROTOCOL); + service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_PROTOCOL); break; } @@ -2837,7 +2830,7 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { if (f == SERVICE_SUCCESS) service_enter_start(s); else - service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); + service_enter_signal(s, SERVICE_STOP_SIGTERM, f); break; case SERVICE_START: @@ -2846,7 +2839,7 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { break; if (f != SERVICE_SUCCESS) { - service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); + service_enter_signal(s, SERVICE_STOP_SIGTERM, f); break; } @@ -2863,7 +2856,7 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { if (!has_start_post && r < 0) { r = service_demand_pid_file(s); if (r < 0 || !cgroup_good(s)) - service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_PROTOCOL); + service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_PROTOCOL); break; } } else @@ -2959,7 +2952,7 @@ static int service_dispatch_timer(sd_event_source *source, usec_t usec, void *us case SERVICE_START_PRE: case SERVICE_START: log_unit_warning(UNIT(s), "%s operation timed out. Terminating.", s->state == SERVICE_START ? "Start" : "Start-pre"); - service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT); + service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_TIMEOUT); break; case SERVICE_START_POST: diff --git a/src/core/service.h b/src/core/service.h index e09722a952..ff9cfaeb88 100644 --- a/src/core/service.h +++ b/src/core/service.h @@ -79,6 +79,8 @@ typedef enum NotifyState { _NOTIFY_STATE_INVALID = -1 } NotifyState; +/* The values of this enum are referenced in man/systemd.exec.xml and src/shared/bus-unit-util.c. + * Update those sources for each change to this enum. */ typedef enum ServiceResult { SERVICE_SUCCESS, SERVICE_FAILURE_RESOURCES, /* a bit of a misnomer, just our catch-all error for errnos we didn't expect */ diff --git a/src/core/socket.c b/src/core/socket.c index 1a53d47f21..fee9b702e6 100644 --- a/src/core/socket.c +++ b/src/core/socket.c @@ -54,7 +54,6 @@ #include "string-util.h" #include "strv.h" #include "unit-name.h" -#include "unit-printf.h" #include "unit.h" #include "user-util.h" #include "in-addr-util.h" @@ -1740,7 +1739,6 @@ static int socket_coldplug(Unit *u) { } static int socket_spawn(Socket *s, ExecCommand *c, pid_t *_pid) { - _cleanup_free_ char **argv = NULL; pid_t pid; int r; ExecParameters exec_params = { @@ -1772,11 +1770,7 @@ static int socket_spawn(Socket *s, ExecCommand *c, pid_t *_pid) { if (r < 0) return r; - r = unit_full_printf_strv(UNIT(s), c->argv, &argv); - if (r < 0) - return r; - - exec_params.argv = argv; + exec_params.argv = c->argv; exec_params.environment = UNIT(s)->manager->environment; exec_params.confirm_spawn = manager_get_confirm_spawn(UNIT(s)->manager); exec_params.cgroup_supported = UNIT(s)->manager->cgroup_supported; diff --git a/src/core/swap.c b/src/core/swap.c index bf404db8c3..e9468e105c 100644 --- a/src/core/swap.c +++ b/src/core/swap.c @@ -420,7 +420,7 @@ static int swap_setup_unit( fail: log_unit_warning_errno(u, r, "Failed to load swap unit: %m"); - if (delete && u) + if (delete) unit_free(u); return r; diff --git a/src/core/umount.c b/src/core/umount.c index 1e5459ed80..2f4b12bdb9 100644 --- a/src/core/umount.c +++ b/src/core/umount.c @@ -344,24 +344,29 @@ static int delete_loopback(const char *device) { } static int delete_dm(dev_t devnum) { - _cleanup_close_ int fd = -1; - int r; + struct dm_ioctl dm = { - .version = {DM_VERSION_MAJOR, - DM_VERSION_MINOR, - DM_VERSION_PATCHLEVEL}, + .version = { + DM_VERSION_MAJOR, + DM_VERSION_MINOR, + DM_VERSION_PATCHLEVEL + }, .data_size = sizeof(dm), .dev = devnum, }; + _cleanup_close_ int fd = -1; + assert(major(devnum) != 0); fd = open("/dev/mapper/control", O_RDWR|O_CLOEXEC); if (fd < 0) return -errno; - r = ioctl(fd, DM_DEV_REMOVE, &dm); - return r >= 0 ? 0 : -errno; + if (ioctl(fd, DM_DEV_REMOVE, &dm) < 0) + return -errno; + + return 0; } static int mount_points_list_umount(MountPoint **head, bool *changed, bool log_error) { diff --git a/src/core/unit-printf.c b/src/core/unit-printf.c index 1f5dc6fd88..746e1a46ef 100644 --- a/src/core/unit-printf.c +++ b/src/core/unit-printf.c @@ -78,12 +78,18 @@ static int specifier_filename(char specifier, void *data, void *userdata, char * return unit_name_to_path(u->id, ret); } +static void bad_specifier(Unit *u, char specifier) { + log_unit_warning(u, "Specifier '%%%c' used in unit configuration, which is deprecated. Please update your unit file, as it does not work as intended.", specifier); +} + static int specifier_cgroup(char specifier, void *data, void *userdata, char **ret) { Unit *u = userdata; char *n; assert(u); + bad_specifier(u, specifier); + if (u->cgroup_path) n = strdup(u->cgroup_path); else @@ -101,6 +107,8 @@ static int specifier_cgroup_root(char specifier, void *data, void *userdata, cha assert(u); + bad_specifier(u, specifier); + n = strdup(u->manager->cgroup_root); if (!n) return -ENOMEM; @@ -115,6 +123,8 @@ static int specifier_cgroup_slice(char specifier, void *data, void *userdata, ch assert(u); + bad_specifier(u, specifier); + if (UNIT_ISSET(u->slice)) { Unit *slice; @@ -194,13 +204,20 @@ static int specifier_user_shell(char specifier, void *data, void *userdata, char int unit_name_printf(Unit *u, const char* format, char **ret) { /* - * This will use the passed string as format string and - * replace the following specifiers: + * This will use the passed string as format string and replace the following specifiers (which should all be + * safe for inclusion in unit names): * * %n: the full id of the unit (foo@bar.waldo) * %N: the id of the unit without the suffix (foo@bar) * %p: the prefix (foo) * %i: the instance (bar) + * + * %U: the UID of the running user + * %u: the username of the running user + * + * %m: the machine ID of the running system + * %H: the host name of the running system + * %b: the boot ID of the running system */ const Specifier table[] = { @@ -208,7 +225,14 @@ int unit_name_printf(Unit *u, const char* format, char **ret) { { 'N', specifier_prefix_and_instance, NULL }, { 'p', specifier_prefix, NULL }, { 'i', specifier_string, u->instance }, - { 0, NULL, NULL } + + { 'U', specifier_user_id, NULL }, + { 'u', specifier_user_name, NULL }, + + { 'm', specifier_machine_id, NULL }, + { 'H', specifier_host_name, NULL }, + { 'b', specifier_boot_id, NULL }, + {} }; assert(u); @@ -220,22 +244,23 @@ int unit_name_printf(Unit *u, const char* format, char **ret) { int unit_full_printf(Unit *u, const char *format, char **ret) { - /* This is similar to unit_name_printf() but also supports - * unescaping. Also, adds a couple of additional codes: + /* This is similar to unit_name_printf() but also supports unescaping. Also, adds a couple of additional codes + * (which are likely not suitable for unescaped inclusion in unit names): + * + * %f: the unescaped instance if set, otherwise the id unescaped as path + * %c: cgroup path of unit (deprecated) + * %r: where units in this slice are placed in the cgroup tree (deprecated) + * %R: the root of this systemd's instance tree (deprecated) + * %t: the runtime directory to place sockets in (e.g. "/run" or $XDG_RUNTIME_DIR) + * + * %h: the homedir of the running user + * %s: the shell of the running user + * + * %v: `uname -r` of the running system * - * %f the instance if set, otherwise the id - * %c cgroup path of unit - * %r where units in this slice are placed in the cgroup tree - * %R the root of this systemd's instance tree - * %t the runtime directory to place sockets in (e.g. "/run" or $XDG_RUNTIME_DIR) - * %U the UID of the running user - * %u the username of the running user - * %h the homedir of the running user - * %s the shell of the running user - * %m the machine ID of the running system - * %H the host name of the running system - * %b the boot ID of the running system - * %v `uname -r` of the running system + * NOTICE: When you add new entries here, please be careful: specifiers which depend on settings of the unit + * file itself are broken by design, as they would resolve differently depending on whether they are used + * before or after the relevant configuration setting. Hence: don't add them. */ const Specifier table[] = { diff --git a/src/core/unit.c b/src/core/unit.c index cba6342eca..ab40135736 100644 --- a/src/core/unit.c +++ b/src/core/unit.c @@ -516,7 +516,8 @@ void unit_free(Unit *u) { Iterator i; char *t; - assert(u); + if (!u) + return; if (u->transient_file) fclose(u->transient_file); @@ -3754,14 +3755,14 @@ int unit_kill_context( bool main_pid_alien) { bool wait_for_exit = false, send_sighup; - cg_kill_log_func_t log_func; + cg_kill_log_func_t log_func = NULL; int sig, r; assert(u); assert(c); - /* Kill the processes belonging to this unit, in preparation for shutting the unit down. Returns > 0 if we - * killed something worth waiting for, 0 otherwise. */ + /* Kill the processes belonging to this unit, in preparation for shutting the unit down. + * Returns > 0 if we killed something worth waiting for, 0 otherwise. */ if (c->kill_mode == KILL_NONE) return 0; @@ -3773,9 +3774,8 @@ int unit_kill_context( IN_SET(k, KILL_TERMINATE, KILL_TERMINATE_AND_LOG) && sig != SIGHUP; - log_func = - k != KILL_TERMINATE || - IN_SET(sig, SIGKILL, SIGABRT) ? log_kill : NULL; + if (k != KILL_TERMINATE || IN_SET(sig, SIGKILL, SIGABRT)) + log_func = log_kill; if (main_pid > 0) { if (log_func) |