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-rw-r--r--src/libsystemd/libsystemd.sym5
-rw-r--r--src/libsystemd/sd-bus/bus-match.c3
-rw-r--r--src/libsystemd/sd-bus/bus-message.c4
-rw-r--r--src/libsystemd/sd-bus/bus-socket.c2
-rw-r--r--src/libsystemd/sd-bus/busctl.c3
-rw-r--r--src/libsystemd/sd-daemon/sd-daemon.c4
-rw-r--r--src/libsystemd/sd-device/device-enumerator.c34
-rw-r--r--src/libsystemd/sd-device/device-internal.h2
-rw-r--r--src/libsystemd/sd-device/sd-device.c135
-rw-r--r--src/libsystemd/sd-event/sd-event.c70
-rw-r--r--src/libsystemd/sd-id128/id128-util.c194
-rw-r--r--src/libsystemd/sd-id128/id128-util.h45
-rw-r--r--src/libsystemd/sd-id128/sd-id128.c118
-rw-r--r--src/libsystemd/sd-login/sd-login.c2
-rw-r--r--src/libsystemd/sd-netlink/netlink-message.c10
-rw-r--r--src/libsystemd/sd-netlink/netlink-types.c8
-rw-r--r--src/libsystemd/sd-netlink/netlink-types.h1
-rw-r--r--src/libsystemd/sd-netlink/sd-netlink.c5
-rw-r--r--src/libsystemd/sd-resolve/sd-resolve.c4
19 files changed, 443 insertions, 206 deletions
diff --git a/src/libsystemd/libsystemd.sym b/src/libsystemd/libsystemd.sym
index 0b3a1708dc..542254295c 100644
--- a/src/libsystemd/libsystemd.sym
+++ b/src/libsystemd/libsystemd.sym
@@ -495,3 +495,8 @@ global:
sd_journal_open_directory_fd;
sd_journal_open_files_fd;
} LIBSYSTEMD_229;
+
+LIBSYSTEMD_231 {
+global:
+ sd_event_get_iteration;
+} LIBSYSTEMD_230;
diff --git a/src/libsystemd/sd-bus/bus-match.c b/src/libsystemd/sd-bus/bus-match.c
index 397baf6f33..db01f21135 100644
--- a/src/libsystemd/sd-bus/bus-match.c
+++ b/src/libsystemd/sd-bus/bus-match.c
@@ -429,6 +429,9 @@ int bus_match_run(
r = bus_match_run(bus, c, m);
if (r != 0)
return r;
+
+ if (bus && bus->match_callbacks_modified)
+ return 0;
}
}
diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c
index b8958ec7bb..5cec804e32 100644
--- a/src/libsystemd/sd-bus/bus-message.c
+++ b/src/libsystemd/sd-bus/bus-message.c
@@ -181,7 +181,7 @@ static void *message_extend_fields(sd_bus_message *m, size_t align, size_t sz, b
if (!np)
goto poison;
} else {
- /* Initially, the header is allocated as part of of
+ /* Initially, the header is allocated as part of
* the sd_bus_message itself, let's replace it by
* dynamic data */
@@ -2865,7 +2865,7 @@ static int bus_message_close_header(sd_bus_message *m) {
/* The actual user data is finished now, we just complete the
variant and struct now (at least on gvariant). Remember
- this position, so that during parsing we know where to to
+ this position, so that during parsing we know where to
put the outer container end. */
m->user_body_size = m->body_size;
diff --git a/src/libsystemd/sd-bus/bus-socket.c b/src/libsystemd/sd-bus/bus-socket.c
index f1e2a06050..cfd7753139 100644
--- a/src/libsystemd/sd-bus/bus-socket.c
+++ b/src/libsystemd/sd-bus/bus-socket.c
@@ -221,7 +221,7 @@ static int bus_socket_auth_verify_client(sd_bus *b) {
peer.bytes[i/2] = ((uint8_t) x << 4 | (uint8_t) y);
}
- if (!sd_id128_equal(b->server_id, SD_ID128_NULL) &&
+ if (!sd_id128_is_null(b->server_id) &&
!sd_id128_equal(b->server_id, peer))
return -EPERM;
diff --git a/src/libsystemd/sd-bus/busctl.c b/src/libsystemd/sd-bus/busctl.c
index bfe967bfb0..eb042e9c81 100644
--- a/src/libsystemd/sd-bus/busctl.c
+++ b/src/libsystemd/sd-bus/busctl.c
@@ -1987,7 +1987,7 @@ static int busctl_main(sd_bus *bus, int argc, char *argv[]) {
}
int main(int argc, char *argv[]) {
- _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ sd_bus *bus = NULL;
int r;
log_parse_environment();
@@ -2078,6 +2078,7 @@ int main(int argc, char *argv[]) {
r = busctl_main(bus, argc, argv);
finish:
+ sd_bus_flush_close_unref(bus);
pager_close();
strv_free(arg_matches);
diff --git a/src/libsystemd/sd-daemon/sd-daemon.c b/src/libsystemd/sd-daemon/sd-daemon.c
index 4da9dbfd63..b20a7ebb4c 100644
--- a/src/libsystemd/sd-daemon/sd-daemon.c
+++ b/src/libsystemd/sd-daemon/sd-daemon.c
@@ -310,12 +310,12 @@ _public_ int sd_is_socket_inet(int fd, int family, int type, int listening, uint
if (l < sizeof(struct sockaddr_in))
return -EINVAL;
- return htons(port) == sockaddr.in.sin_port;
+ return htobe16(port) == sockaddr.in.sin_port;
} else {
if (l < sizeof(struct sockaddr_in6))
return -EINVAL;
- return htons(port) == sockaddr.in6.sin6_port;
+ return htobe16(port) == sockaddr.in6.sin6_port;
}
}
diff --git a/src/libsystemd/sd-device/device-enumerator.c b/src/libsystemd/sd-device/device-enumerator.c
index 4a7a8b1f9e..62d03ae00d 100644
--- a/src/libsystemd/sd-device/device-enumerator.c
+++ b/src/libsystemd/sd-device/device-enumerator.c
@@ -696,17 +696,19 @@ static int enumerator_scan_devices_tag(sd_device_enumerator *enumerator, const c
static int enumerator_scan_devices_tags(sd_device_enumerator *enumerator) {
const char *tag;
Iterator i;
- int r;
+ int r = 0;
assert(enumerator);
SET_FOREACH(tag, enumerator->match_tag, i) {
- r = enumerator_scan_devices_tag(enumerator, tag);
- if (r < 0)
- return r;
+ int k;
+
+ k = enumerator_scan_devices_tag(enumerator, tag);
+ if (k < 0)
+ r = k;
}
- return 0;
+ return r;
}
static int parent_add_child(sd_device_enumerator *enumerator, const char *path) {
@@ -838,7 +840,7 @@ static int enumerator_scan_devices_all(sd_device_enumerator *enumerator) {
int device_enumerator_scan_devices(sd_device_enumerator *enumerator) {
sd_device *device;
- int r;
+ int r = 0, k;
assert(enumerator);
@@ -850,22 +852,22 @@ int device_enumerator_scan_devices(sd_device_enumerator *enumerator) {
sd_device_unref(device);
if (!set_isempty(enumerator->match_tag)) {
- r = enumerator_scan_devices_tags(enumerator);
- if (r < 0)
- return r;
+ k = enumerator_scan_devices_tags(enumerator);
+ if (k < 0)
+ r = k;
} else if (enumerator->match_parent) {
- r = enumerator_scan_devices_children(enumerator);
- if (r < 0)
- return r;
+ k = enumerator_scan_devices_children(enumerator);
+ if (k < 0)
+ r = k;
} else {
- r = enumerator_scan_devices_all(enumerator);
- if (r < 0)
- return r;
+ k = enumerator_scan_devices_all(enumerator);
+ if (k < 0)
+ r = k;
}
enumerator->scan_uptodate = true;
- return 0;
+ return r;
}
_public_ sd_device *sd_device_enumerator_get_device_first(sd_device_enumerator *enumerator) {
diff --git a/src/libsystemd/sd-device/device-internal.h b/src/libsystemd/sd-device/device-internal.h
index ab222e27de..9fad388953 100644
--- a/src/libsystemd/sd-device/device-internal.h
+++ b/src/libsystemd/sd-device/device-internal.h
@@ -76,6 +76,8 @@ struct sd_device {
char *subsystem;
bool subsystem_set; /* don't reread subsystem */
+ char *driver_subsystem; /* only set for the 'drivers' subsystem */
+ bool driver_subsystem_set; /* don't reread subsystem */
char *driver;
bool driver_set; /* don't reread driver */
diff --git a/src/libsystemd/sd-device/sd-device.c b/src/libsystemd/sd-device/sd-device.c
index b1c3d5f228..0c4ad966bd 100644
--- a/src/libsystemd/sd-device/sd-device.c
+++ b/src/libsystemd/sd-device/sd-device.c
@@ -75,6 +75,7 @@ _public_ sd_device *sd_device_unref(sd_device *device) {
free(device->devtype);
free(device->devname);
free(device->subsystem);
+ free(device->driver_subsystem);
free(device->driver);
free(device->id_filename);
free(device->properties_strv);
@@ -196,7 +197,7 @@ int device_set_syspath(sd_device *device, const char *_syspath, bool verify) {
return -errno;
}
} else {
- /* everything else just just needs to be a directory */
+ /* everything else just needs to be a directory */
if (!is_dir(syspath, false))
return -ENODEV;
}
@@ -258,7 +259,8 @@ _public_ int sd_device_new_from_devnum(sd_device **ret, char type, dev_t devnum)
}
_public_ int sd_device_new_from_subsystem_sysname(sd_device **ret, const char *subsystem, const char *sysname) {
- char *syspath;
+ char *name, *syspath;
+ size_t len = 0;
assert_return(ret, -EINVAL);
assert_return(subsystem, -EINVAL);
@@ -297,33 +299,29 @@ _public_ int sd_device_new_from_subsystem_sysname(sd_device **ret, const char *s
syspath = strjoina("/sys/bus/", subsys, "/drivers/", driver);
if (access(syspath, F_OK) >= 0)
return sd_device_new_from_syspath(ret, syspath);
- } else
- return -EINVAL;
- } else {
- char *name;
- size_t len = 0;
+ }
+ }
- /* translate sysname back to sysfs filename */
- name = strdupa(sysname);
- while (name[len] != '\0') {
- if (name[len] == '/')
- name[len] = '!';
+ /* translate sysname back to sysfs filename */
+ name = strdupa(sysname);
+ while (name[len] != '\0') {
+ if (name[len] == '/')
+ name[len] = '!';
- len++;
- }
+ len++;
+ }
- syspath = strjoina("/sys/subsystem/", subsystem, "/devices/", name);
- if (access(syspath, F_OK) >= 0)
- return sd_device_new_from_syspath(ret, syspath);
+ syspath = strjoina("/sys/subsystem/", subsystem, "/devices/", name);
+ if (access(syspath, F_OK) >= 0)
+ return sd_device_new_from_syspath(ret, syspath);
- syspath = strjoina("/sys/bus/", subsystem, "/devices/", name);
- if (access(syspath, F_OK) >= 0)
- return sd_device_new_from_syspath(ret, syspath);
+ syspath = strjoina("/sys/bus/", subsystem, "/devices/", name);
+ if (access(syspath, F_OK) >= 0)
+ return sd_device_new_from_syspath(ret, syspath);
- syspath = strjoina("/sys/class/", subsystem, "/", name);
- if (access(syspath, F_OK) >= 0)
- return sd_device_new_from_syspath(ret, syspath);
- }
+ syspath = strjoina("/sys/class/", subsystem, "/", name);
+ if (access(syspath, F_OK) >= 0)
+ return sd_device_new_from_syspath(ret, syspath);
return -ENODEV;
}
@@ -533,7 +531,7 @@ int device_read_uevent_file(sd_device *device) {
return r;
}
- for (i = 0; i < uevent_len; i++) {
+ for (i = 0; i < uevent_len; i++)
switch (state) {
case PRE_KEY:
if (!strchr(NEWLINE, uevent[i])) {
@@ -558,10 +556,9 @@ int device_read_uevent_file(sd_device *device) {
break;
case PRE_VALUE:
value = &uevent[i];
-
state = VALUE;
- break;
+ /* fall through to handle empty property */
case VALUE:
if (strchr(NEWLINE, uevent[i])) {
uevent[i] = '\0';
@@ -577,7 +574,6 @@ int device_read_uevent_file(sd_device *device) {
default:
assert_not_reached("invalid state when parsing uevent file");
}
- }
if (major) {
r = device_set_devnum(device, major, minor);
@@ -768,21 +764,45 @@ int device_set_subsystem(sd_device *device, const char *_subsystem) {
return 0;
}
+static int device_set_drivers_subsystem(sd_device *device, const char *_subsystem) {
+ _cleanup_free_ char *subsystem = NULL;
+ int r;
+
+ assert(device);
+ assert(_subsystem);
+ assert(*_subsystem);
+
+ subsystem = strdup(_subsystem);
+ if (!subsystem)
+ return -ENOMEM;
+
+ r = device_set_subsystem(device, "drivers");
+ if (r < 0)
+ return r;
+
+ free(device->driver_subsystem);
+ device->driver_subsystem = subsystem;
+ subsystem = NULL;
+
+ return 0;
+}
+
_public_ int sd_device_get_subsystem(sd_device *device, const char **ret) {
+ const char *syspath, *drivers = NULL;
+ int r;
+
assert_return(ret, -EINVAL);
assert_return(device, -EINVAL);
+ r = sd_device_get_syspath(device, &syspath);
+ if (r < 0)
+ return r;
+
if (!device->subsystem_set) {
_cleanup_free_ char *subsystem = NULL;
- const char *syspath;
char *path;
- int r;
/* read 'subsystem' link */
- r = sd_device_get_syspath(device, &syspath);
- if (r < 0)
- return r;
-
path = strjoina(syspath, "/subsystem");
r = readlink_value(path, &subsystem);
if (r >= 0)
@@ -790,16 +810,39 @@ _public_ int sd_device_get_subsystem(sd_device *device, const char **ret) {
/* use implicit names */
else if (path_startswith(device->devpath, "/module/"))
r = device_set_subsystem(device, "module");
- else if (strstr(device->devpath, "/drivers/"))
- r = device_set_subsystem(device, "drivers");
- else if (path_startswith(device->devpath, "/subsystem/") ||
- path_startswith(device->devpath, "/class/") ||
- path_startswith(device->devpath, "/bus/"))
+ else if (!(drivers = strstr(syspath, "/drivers/")) &&
+ (path_startswith(device->devpath, "/subsystem/") ||
+ path_startswith(device->devpath, "/class/") ||
+ path_startswith(device->devpath, "/bus/")))
r = device_set_subsystem(device, "subsystem");
if (r < 0 && r != -ENOENT)
return log_debug_errno(r, "sd-device: could not set subsystem for %s: %m", device->devpath);
device->subsystem_set = true;
+ } else if (!device->driver_subsystem_set)
+ drivers = strstr(syspath, "/drivers/");
+
+ if (!device->driver_subsystem_set) {
+ if (drivers) {
+ _cleanup_free_ char *subpath = NULL;
+
+ subpath = strndup(syspath, drivers - syspath);
+ if (!subpath)
+ r = -ENOMEM;
+ else {
+ const char *subsys;
+
+ subsys = strrchr(subpath, '/');
+ if (!subsys)
+ r = -EINVAL;
+ else
+ r = device_set_drivers_subsystem(device, subsys + 1);
+ }
+ if (r < 0 && r != -ENOENT)
+ return log_debug_errno(r, "sd-device: could not set subsystem for driver %s: %m", device->devpath);
+ }
+
+ device->driver_subsystem_set = true;
}
if (!device->subsystem)
@@ -1236,9 +1279,17 @@ int device_get_id_filename(sd_device *device, const char **ret) {
if (!subsystem)
return -EINVAL;
- r = asprintf(&id, "+%s:%s", subsystem, sysname);
- if (r < 0)
- return -ENOMEM;
+ if (streq(subsystem, "drivers")) {
+ /* the 'drivers' pseudo-subsystem is special, and needs the real subsystem
+ * encoded as well */
+ r = asprintf(&id, "+drivers:%s:%s", device->driver_subsystem, sysname);
+ if (r < 0)
+ return -ENOMEM;
+ } else {
+ r = asprintf(&id, "+%s:%s", subsystem, sysname);
+ if (r < 0)
+ return -ENOMEM;
+ }
}
device->id_filename = id;
diff --git a/src/libsystemd/sd-event/sd-event.c b/src/libsystemd/sd-event/sd-event.c
index 7ba6527f63..9857f8b1fc 100644
--- a/src/libsystemd/sd-event/sd-event.c
+++ b/src/libsystemd/sd-event/sd-event.c
@@ -109,8 +109,8 @@ struct sd_event_source {
int64_t priority;
unsigned pending_index;
unsigned prepare_index;
- unsigned pending_iteration;
- unsigned prepare_iteration;
+ uint64_t pending_iteration;
+ uint64_t prepare_iteration;
LIST_FIELDS(sd_event_source, sources);
@@ -215,9 +215,8 @@ struct sd_event {
pid_t original_pid;
- unsigned iteration;
- dual_timestamp timestamp;
- usec_t timestamp_boottime;
+ uint64_t iteration;
+ triple_timestamp timestamp;
int state;
bool exit_requested:1;
@@ -1072,16 +1071,16 @@ _public_ int sd_event_add_time(
assert_return(e->state != SD_EVENT_FINISHED, -ESTALE);
assert_return(!event_pid_changed(e), -ECHILD);
- if (IN_SET(clock, CLOCK_BOOTTIME, CLOCK_BOOTTIME_ALARM) &&
- !clock_boottime_supported())
+ if (!clock_supported(clock)) /* Checks whether the kernel supports the clock */
+ return -EOPNOTSUPP;
+
+ type = clock_to_event_source_type(clock); /* checks whether sd-event supports this clock */
+ if (type < 0)
return -EOPNOTSUPP;
if (!callback)
callback = time_exit_callback;
- type = clock_to_event_source_type(clock);
- assert_return(type >= 0, -EOPNOTSUPP);
-
d = event_get_clock_data(e, type);
assert(d);
@@ -2530,9 +2529,7 @@ _public_ int sd_event_wait(sd_event *e, uint64_t timeout) {
goto finish;
}
- dual_timestamp_get(&e->timestamp);
- if (clock_boottime_supported())
- e->timestamp_boottime = now(CLOCK_BOOTTIME);
+ triple_timestamp_get(&e->timestamp);
for (i = 0; i < m; i++) {
@@ -2573,7 +2570,7 @@ _public_ int sd_event_wait(sd_event *e, uint64_t timeout) {
if (r < 0)
goto finish;
- r = process_timer(e, e->timestamp_boottime, &e->boottime);
+ r = process_timer(e, e->timestamp.boottime, &e->boottime);
if (r < 0)
goto finish;
@@ -2585,7 +2582,7 @@ _public_ int sd_event_wait(sd_event *e, uint64_t timeout) {
if (r < 0)
goto finish;
- r = process_timer(e, e->timestamp_boottime, &e->boottime_alarm);
+ r = process_timer(e, e->timestamp.boottime, &e->boottime_alarm);
if (r < 0)
goto finish;
@@ -2759,43 +2756,24 @@ _public_ int sd_event_now(sd_event *e, clockid_t clock, uint64_t *usec) {
assert_return(e, -EINVAL);
assert_return(usec, -EINVAL);
assert_return(!event_pid_changed(e), -ECHILD);
- assert_return(IN_SET(clock,
- CLOCK_REALTIME,
- CLOCK_REALTIME_ALARM,
- CLOCK_MONOTONIC,
- CLOCK_BOOTTIME,
- CLOCK_BOOTTIME_ALARM), -EOPNOTSUPP);
+ if (!TRIPLE_TIMESTAMP_HAS_CLOCK(clock))
+ return -EOPNOTSUPP;
+
+ /* Generate a clean error in case CLOCK_BOOTTIME is not available. Note that don't use clock_supported() here,
+ * for a reason: there are systems where CLOCK_BOOTTIME is supported, but CLOCK_BOOTTIME_ALARM is not, but for
+ * the purpose of getting the time this doesn't matter. */
if (IN_SET(clock, CLOCK_BOOTTIME, CLOCK_BOOTTIME_ALARM) && !clock_boottime_supported())
return -EOPNOTSUPP;
- if (!dual_timestamp_is_set(&e->timestamp)) {
+ if (!triple_timestamp_is_set(&e->timestamp)) {
/* Implicitly fall back to now() if we never ran
* before and thus have no cached time. */
*usec = now(clock);
return 1;
}
- switch (clock) {
-
- case CLOCK_REALTIME:
- case CLOCK_REALTIME_ALARM:
- *usec = e->timestamp.realtime;
- break;
-
- case CLOCK_MONOTONIC:
- *usec = e->timestamp.monotonic;
- break;
-
- case CLOCK_BOOTTIME:
- case CLOCK_BOOTTIME_ALARM:
- *usec = e->timestamp_boottime;
- break;
-
- default:
- assert_not_reached("Unknown clock?");
- }
-
+ *usec = triple_timestamp_by_clock(&e->timestamp, clock);
return 0;
}
@@ -2896,3 +2874,11 @@ _public_ int sd_event_get_watchdog(sd_event *e) {
return e->watchdog;
}
+
+_public_ int sd_event_get_iteration(sd_event *e, uint64_t *ret) {
+ assert_return(e, -EINVAL);
+ assert_return(!event_pid_changed(e), -ECHILD);
+
+ *ret = e->iteration;
+ return 0;
+}
diff --git a/src/libsystemd/sd-id128/id128-util.c b/src/libsystemd/sd-id128/id128-util.c
new file mode 100644
index 0000000000..c3f527d657
--- /dev/null
+++ b/src/libsystemd/sd-id128/id128-util.c
@@ -0,0 +1,194 @@
+/***
+ This file is part of systemd.
+
+ Copyright 2016 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "fd-util.h"
+#include "hexdecoct.h"
+#include "id128-util.h"
+#include "io-util.h"
+#include "stdio-util.h"
+
+char *id128_to_uuid_string(sd_id128_t id, char s[37]) {
+ unsigned n, k = 0;
+
+ assert(s);
+
+ /* Similar to sd_id128_to_string() but formats the result as UUID instead of plain hex chars */
+
+ for (n = 0; n < 16; n++) {
+
+ if (IN_SET(n, 4, 6, 8, 10))
+ s[k++] = '-';
+
+ s[k++] = hexchar(id.bytes[n] >> 4);
+ s[k++] = hexchar(id.bytes[n] & 0xF);
+ }
+
+ assert(k == 36);
+
+ s[k] = 0;
+
+ return s;
+}
+
+bool id128_is_valid(const char *s) {
+ size_t i, l;
+
+ assert(s);
+
+ l = strlen(s);
+ if (l == 32) {
+
+ /* Plain formatted 128bit hex string */
+
+ for (i = 0; i < l; i++) {
+ char c = s[i];
+
+ if (!(c >= '0' && c <= '9') &&
+ !(c >= 'a' && c <= 'z') &&
+ !(c >= 'A' && c <= 'Z'))
+ return false;
+ }
+
+ } else if (l == 36) {
+
+ /* Formatted UUID */
+
+ for (i = 0; i < l; i++) {
+ char c = s[i];
+
+ if ((i == 8 || i == 13 || i == 18 || i == 23)) {
+ if (c != '-')
+ return false;
+ } else {
+ if (!(c >= '0' && c <= '9') &&
+ !(c >= 'a' && c <= 'z') &&
+ !(c >= 'A' && c <= 'Z'))
+ return false;
+ }
+ }
+
+ } else
+ return false;
+
+ return true;
+}
+
+int id128_read_fd(int fd, Id128Format f, sd_id128_t *ret) {
+ char buffer[36 + 2];
+ ssize_t l;
+
+ assert(fd >= 0);
+ assert(f < _ID128_FORMAT_MAX);
+
+ /* Reads an 128bit ID from a file, which may either be in plain format (32 hex digits), or in UUID format, both
+ * optionally followed by a newline and nothing else. ID files should really be newline terminated, but if they
+ * aren't that's OK too, following the rule of "Be conservative in what you send, be liberal in what you
+ * accept". */
+
+ l = loop_read(fd, buffer, sizeof(buffer), false); /* we expect a short read of either 32/33 or 36/37 chars */
+ if (l < 0)
+ return (int) l;
+ if (l == 0) /* empty? */
+ return -ENOMEDIUM;
+
+ switch (l) {
+
+ case 33: /* plain UUID with trailing newline */
+ if (buffer[32] != '\n')
+ return -EINVAL;
+
+ /* fall through */
+ case 32: /* plain UUID without trailing newline */
+ if (f == ID128_UUID)
+ return -EINVAL;
+
+ buffer[32] = 0;
+ break;
+
+ case 37: /* RFC UUID with trailing newline */
+ if (buffer[36] != '\n')
+ return -EINVAL;
+
+ /* fall through */
+ case 36: /* RFC UUID without trailing newline */
+ if (f == ID128_PLAIN)
+ return -EINVAL;
+
+ buffer[36] = 0;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return sd_id128_from_string(buffer, ret);
+}
+
+int id128_read(const char *p, Id128Format f, sd_id128_t *ret) {
+ _cleanup_close_ int fd = -1;
+
+ fd = open(p, O_RDONLY|O_CLOEXEC|O_NOCTTY);
+ if (fd < 0)
+ return -errno;
+
+ return id128_read_fd(fd, f, ret);
+}
+
+int id128_write_fd(int fd, Id128Format f, sd_id128_t id, bool do_sync) {
+ char buffer[36 + 2];
+ size_t sz;
+ int r;
+
+ assert(fd >= 0);
+ assert(f < _ID128_FORMAT_MAX);
+
+ if (f != ID128_UUID) {
+ sd_id128_to_string(id, buffer);
+ buffer[32] = '\n';
+ sz = 33;
+ } else {
+ id128_to_uuid_string(id, buffer);
+ buffer[36] = '\n';
+ sz = 37;
+ }
+
+ r = loop_write(fd, buffer, sz, false);
+ if (r < 0)
+ return r;
+
+ if (do_sync) {
+ if (fsync(fd) < 0)
+ return -errno;
+ }
+
+ return r;
+}
+
+int id128_write(const char *p, Id128Format f, sd_id128_t id, bool do_sync) {
+ _cleanup_close_ int fd = -1;
+
+ fd = open(p, O_WRONLY|O_CREAT|O_CLOEXEC|O_NOCTTY, 0444);
+ if (fd < 0)
+ return -errno;
+
+ return id128_write_fd(fd, f, id, do_sync);
+}
diff --git a/src/libsystemd/sd-id128/id128-util.h b/src/libsystemd/sd-id128/id128-util.h
new file mode 100644
index 0000000000..3ba59acbca
--- /dev/null
+++ b/src/libsystemd/sd-id128/id128-util.h
@@ -0,0 +1,45 @@
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2016 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdbool.h>
+
+#include "sd-id128.h"
+#include "macro.h"
+
+char *id128_to_uuid_string(sd_id128_t id, char s[37]);
+
+/* Like SD_ID128_FORMAT_STR, but formats as UUID, not in plain format */
+#define ID128_UUID_FORMAT_STR "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x"
+
+bool id128_is_valid(const char *s) _pure_;
+
+typedef enum Id128Format {
+ ID128_ANY,
+ ID128_PLAIN, /* formatted as 32 hex chars as-is */
+ ID128_UUID, /* formatted as 36 character uuid string */
+ _ID128_FORMAT_MAX,
+} Id128Format;
+
+int id128_read_fd(int fd, Id128Format f, sd_id128_t *ret);
+int id128_read(const char *p, Id128Format f, sd_id128_t *ret);
+
+int id128_write_fd(int fd, Id128Format f, sd_id128_t id, bool do_sync);
+int id128_write(const char *p, Id128Format f, sd_id128_t id, bool do_sync);
diff --git a/src/libsystemd/sd-id128/sd-id128.c b/src/libsystemd/sd-id128/sd-id128.c
index d9c0116f60..9f47d04e61 100644
--- a/src/libsystemd/sd-id128/sd-id128.c
+++ b/src/libsystemd/sd-id128/sd-id128.c
@@ -25,6 +25,7 @@
#include "fd-util.h"
#include "hexdecoct.h"
+#include "id128-util.h"
#include "io-util.h"
#include "macro.h"
#include "random-util.h"
@@ -51,7 +52,6 @@ _public_ int sd_id128_from_string(const char s[], sd_id128_t *ret) {
bool is_guid = false;
assert_return(s, -EINVAL);
- assert_return(ret, -EINVAL);
for (n = 0, i = 0; n < 16;) {
int a, b;
@@ -89,121 +89,57 @@ _public_ int sd_id128_from_string(const char s[], sd_id128_t *ret) {
if (s[i] != 0)
return -EINVAL;
- *ret = t;
+ if (ret)
+ *ret = t;
return 0;
}
-static sd_id128_t make_v4_uuid(sd_id128_t id) {
- /* Stolen from generate_random_uuid() of drivers/char/random.c
- * in the kernel sources */
-
- /* Set UUID version to 4 --- truly random generation */
- id.bytes[6] = (id.bytes[6] & 0x0F) | 0x40;
-
- /* Set the UUID variant to DCE */
- id.bytes[8] = (id.bytes[8] & 0x3F) | 0x80;
-
- return id;
-}
-
_public_ int sd_id128_get_machine(sd_id128_t *ret) {
- static thread_local sd_id128_t saved_machine_id;
- static thread_local bool saved_machine_id_valid = false;
- _cleanup_close_ int fd = -1;
- char buf[33];
- unsigned j;
- sd_id128_t t;
+ static thread_local sd_id128_t saved_machine_id = {};
int r;
assert_return(ret, -EINVAL);
- if (saved_machine_id_valid) {
- *ret = saved_machine_id;
- return 0;
- }
-
- fd = open("/etc/machine-id", O_RDONLY|O_CLOEXEC|O_NOCTTY);
- if (fd < 0)
- return -errno;
-
- r = loop_read_exact(fd, buf, 33, false);
- if (r < 0)
- return r;
- if (buf[32] !='\n')
- return -EIO;
-
- for (j = 0; j < 16; j++) {
- int a, b;
-
- a = unhexchar(buf[j*2]);
- b = unhexchar(buf[j*2+1]);
-
- if (a < 0 || b < 0)
- return -EIO;
+ if (sd_id128_is_null(saved_machine_id)) {
+ r = id128_read("/etc/machine-id", ID128_PLAIN, &saved_machine_id);
+ if (r < 0)
+ return r;
- t.bytes[j] = a << 4 | b;
+ if (sd_id128_is_null(saved_machine_id))
+ return -EINVAL;
}
- saved_machine_id = t;
- saved_machine_id_valid = true;
-
- *ret = t;
+ *ret = saved_machine_id;
return 0;
}
_public_ int sd_id128_get_boot(sd_id128_t *ret) {
- static thread_local sd_id128_t saved_boot_id;
- static thread_local bool saved_boot_id_valid = false;
- _cleanup_close_ int fd = -1;
- char buf[36];
- unsigned j;
- sd_id128_t t;
- char *p;
+ static thread_local sd_id128_t saved_boot_id = {};
int r;
assert_return(ret, -EINVAL);
- if (saved_boot_id_valid) {
- *ret = saved_boot_id;
- return 0;
+ if (sd_id128_is_null(saved_boot_id)) {
+ r = id128_read("/proc/sys/kernel/random/boot_id", ID128_UUID, &saved_boot_id);
+ if (r < 0)
+ return r;
}
- fd = open("/proc/sys/kernel/random/boot_id", O_RDONLY|O_CLOEXEC|O_NOCTTY);
- if (fd < 0)
- return -errno;
-
- r = loop_read_exact(fd, buf, 36, false);
- if (r < 0)
- return r;
-
- for (j = 0, p = buf; j < 16; j++) {
- int a, b;
-
- if (p >= buf + 35)
- return -EIO;
-
- if (*p == '-') {
- p++;
- if (p >= buf + 35)
- return -EIO;
- }
-
- a = unhexchar(p[0]);
- b = unhexchar(p[1]);
-
- if (a < 0 || b < 0)
- return -EIO;
+ *ret = saved_boot_id;
+ return 0;
+}
- t.bytes[j] = a << 4 | b;
+static sd_id128_t make_v4_uuid(sd_id128_t id) {
+ /* Stolen from generate_random_uuid() of drivers/char/random.c
+ * in the kernel sources */
- p += 2;
- }
+ /* Set UUID version to 4 --- truly random generation */
+ id.bytes[6] = (id.bytes[6] & 0x0F) | 0x40;
- saved_boot_id = t;
- saved_boot_id_valid = true;
+ /* Set the UUID variant to DCE */
+ id.bytes[8] = (id.bytes[8] & 0x3F) | 0x80;
- *ret = t;
- return 0;
+ return id;
}
_public_ int sd_id128_randomize(sd_id128_t *ret) {
diff --git a/src/libsystemd/sd-login/sd-login.c b/src/libsystemd/sd-login/sd-login.c
index 9d4f187502..3fcefada3f 100644
--- a/src/libsystemd/sd-login/sd-login.c
+++ b/src/libsystemd/sd-login/sd-login.c
@@ -124,7 +124,7 @@ _public_ int sd_pid_get_cgroup(pid_t pid, char **cgroup) {
/* The internal APIs return the empty string for the root
* cgroup, let's return the "/" in the public APIs instead, as
- * that's easier and less ambigious for people to grok. */
+ * that's easier and less ambiguous for people to grok. */
if (isempty(c)) {
free(c);
c = strdup("/");
diff --git a/src/libsystemd/sd-netlink/netlink-message.c b/src/libsystemd/sd-netlink/netlink-message.c
index 86d8dee867..df3b3c922e 100644
--- a/src/libsystemd/sd-netlink/netlink-message.c
+++ b/src/libsystemd/sd-netlink/netlink-message.c
@@ -120,7 +120,9 @@ sd_netlink_message *sd_netlink_message_ref(sd_netlink_message *m) {
}
sd_netlink_message *sd_netlink_message_unref(sd_netlink_message *m) {
- if (m && REFCNT_DEC(m->n_ref) == 0) {
+ sd_netlink_message *t;
+
+ while (m && REFCNT_DEC(m->n_ref) == 0) {
unsigned i;
free(m->hdr);
@@ -128,9 +130,9 @@ sd_netlink_message *sd_netlink_message_unref(sd_netlink_message *m) {
for (i = 0; i <= m->n_containers; i++)
free(m->containers[i].attributes);
- sd_netlink_message_unref(m->next);
-
- free(m);
+ t = m;
+ m = m->next;
+ free(t);
}
return NULL;
diff --git a/src/libsystemd/sd-netlink/netlink-types.c b/src/libsystemd/sd-netlink/netlink-types.c
index 3a4bac2ced..566a050432 100644
--- a/src/libsystemd/sd-netlink/netlink-types.c
+++ b/src/libsystemd/sd-netlink/netlink-types.c
@@ -278,6 +278,10 @@ static const NLType rtnl_link_info_data_ip6tnl_types[] = {
[IFLA_IPTUN_FLOWINFO] = { .type = NETLINK_TYPE_U32 },
};
+static const NLType rtnl_link_info_data_vrf_types[] = {
+ [IFLA_VRF_TABLE] = { .type = NETLINK_TYPE_U32 },
+};
+
/* these strings must match the .kind entries in the kernel */
static const char* const nl_union_link_info_data_table[] = {
[NL_UNION_LINK_INFO_DATA_BOND] = "bond",
@@ -298,6 +302,7 @@ static const char* const nl_union_link_info_data_table[] = {
[NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = "vti",
[NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = "vti6",
[NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = "ip6tnl",
+ [NL_UNION_LINK_INFO_DATA_VRF] = "vrf",
};
DEFINE_STRING_TABLE_LOOKUP(nl_union_link_info_data, NLUnionLinkInfoData);
@@ -338,6 +343,9 @@ static const NLTypeSystem rtnl_link_info_data_type_systems[] = {
[NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ip6tnl_types),
.types = rtnl_link_info_data_ip6tnl_types },
+ [NL_UNION_LINK_INFO_DATA_VRF] = { .count = ELEMENTSOF(rtnl_link_info_data_vrf_types),
+ .types = rtnl_link_info_data_vrf_types },
+
};
static const NLTypeSystemUnion rtnl_link_info_data_type_system_union = {
diff --git a/src/libsystemd/sd-netlink/netlink-types.h b/src/libsystemd/sd-netlink/netlink-types.h
index ecb20bfcdc..7c0e598b26 100644
--- a/src/libsystemd/sd-netlink/netlink-types.h
+++ b/src/libsystemd/sd-netlink/netlink-types.h
@@ -86,6 +86,7 @@ typedef enum NLUnionLinkInfoData {
NL_UNION_LINK_INFO_DATA_VTI_TUNNEL,
NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL,
NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL,
+ NL_UNION_LINK_INFO_DATA_VRF,
_NL_UNION_LINK_INFO_DATA_MAX,
_NL_UNION_LINK_INFO_DATA_INVALID = -1
} NLUnionLinkInfoData;
diff --git a/src/libsystemd/sd-netlink/sd-netlink.c b/src/libsystemd/sd-netlink/sd-netlink.c
index 91701405a5..43114eb825 100644
--- a/src/libsystemd/sd-netlink/sd-netlink.c
+++ b/src/libsystemd/sd-netlink/sd-netlink.c
@@ -144,7 +144,10 @@ int sd_netlink_open(sd_netlink **ret) {
return 0;
}
-int sd_netlink_inc_rcvbuf(const sd_netlink *const rtnl, const int size) {
+int sd_netlink_inc_rcvbuf(sd_netlink *rtnl, size_t size) {
+ assert_return(rtnl, -EINVAL);
+ assert_return(!rtnl_pid_changed(rtnl), -ECHILD);
+
return fd_inc_rcvbuf(rtnl->fd, size);
}
diff --git a/src/libsystemd/sd-resolve/sd-resolve.c b/src/libsystemd/sd-resolve/sd-resolve.c
index d8303e2e69..60aa55de3b 100644
--- a/src/libsystemd/sd-resolve/sd-resolve.c
+++ b/src/libsystemd/sd-resolve/sd-resolve.c
@@ -585,9 +585,7 @@ static void resolve_free(sd_resolve *resolve) {
(void) pthread_join(resolve->workers[i], NULL);
/* Close all communication channels */
- for (i = 0; i < _FD_MAX; i++)
- safe_close(resolve->fds[i]);
-
+ close_many(resolve->fds, _FD_MAX);
free(resolve);
}