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authorLennart Poettering <lennart@poettering.net>2013-01-17 02:27:06 +0100
committerLennart Poettering <lennart@poettering.net>2013-01-17 02:50:05 +0100
commit74051b9b5865586bf4d30b9075649af838fb92bd (patch)
tree1dd547147c395f7e3fec22285da4a83f54644d89
parent4b20075e2fbd99caee8b6a782050969a087a1a21 (diff)
units: for all unit settings that take lists, allow the empty string for resetting the lists
https://bugzilla.redhat.com/show_bug.cgi?id=756787
Diffstat
-rw-r--r--man/systemd.exec.xml190
-rw-r--r--man/systemd.path.xml23
-rw-r--r--man/systemd.service.xml92
-rw-r--r--man/systemd.socket.xml25
-rw-r--r--man/systemd.timer.xml16
-rw-r--r--man/systemd.unit.xml17
-rw-r--r--src/core/load-fragment-gperf.gperf.m414
-rw-r--r--src/core/load-fragment.c372
-rw-r--r--src/core/path.c16
-rw-r--r--src/core/path.h2
-rw-r--r--src/core/socket.c11
-rw-r--r--src/core/socket.h2
-rw-r--r--src/core/timer.c11
-rw-r--r--src/core/timer.h2
-rw-r--r--src/shared/conf-parser.c46
15 files changed, 538 insertions, 301 deletions
diff --git a/man/systemd.exec.xml b/man/systemd.exec.xml
index 92f59bdfbd..71472b4f5d 100644
--- a/man/systemd.exec.xml
+++ b/man/systemd.exec.xml
@@ -133,10 +133,15 @@
of group names or IDs. This option may
be specified more than once in which
case all listed groups are set as
- supplementary groups. This option does
- not override but extends the list of
- supplementary groups configured in the
- system group database for the
+ supplementary groups. When the empty
+ string is assigned the list of
+ supplementary groups is reset, and all
+ assignments prior to this one will
+ have no effect. In any way, this
+ option does not override, but extends
+ the list of supplementary groups
+ configured in the system group
+ database for the
user.</para></listitem>
</varlistentry>
@@ -244,7 +249,13 @@
<listitem><para>Controls the CPU
affinity of the executed
processes. Takes a space-separated
- list of CPU indexes. See
+ list of CPU indexes. This option may
+ be specified more than once in which
+ case the specificed CPU affinity masks
+ are merged. If the empty string is
+ assigned the mask is reset, all
+ assignments prior to this will have no
+ effect. See
<citerefentry><refentrytitle>sched_setaffinity</refentrytitle><manvolnum>2</manvolnum></citerefentry>
for details.</para></listitem>
</varlistentry>
@@ -271,7 +282,11 @@
in which case all listed variables
will be set. If the same variable is
set twice the later setting will
- override the earlier setting. See
+ override the earlier setting. If the
+ empty string is assigned to this
+ option the list of environment
+ variables is reset, all prior
+ assignments have no effect. See
<citerefentry><refentrytitle>environ</refentrytitle><manvolnum>7</manvolnum></citerefentry>
for details.</para></listitem>
</varlistentry>
@@ -288,14 +303,22 @@
parser strips leading and
trailing whitespace from the values
of assignments, unless you use
- double quotes (").
- The
- argument passed should be an absolute
- file name or wildcard expression, optionally prefixed with
+ double quotes (").</para>
+
+ <para>The argument passed should be an
+ absolute file name or wildcard
+ expression, optionally prefixed with
"-", which indicates that if the file
does not exist it won't be read and no
- error or warning message is
- logged. The files listed with this
+ error or warning message is logged.
+ This option may be specified more than
+ once in which case all specified files
+ are read. If the empty string is
+ assigned to this option the list of
+ file to read is reset, all prior
+ assignments have no effect.</para>
+
+ <para>The files listed with this
directive will be read shortly before
the process is executed. Settings from
these files override settings made
@@ -305,7 +328,7 @@
these files the files will be read in
the order they are specified and the
later setting will override the
- earlier setting. </para></listitem>
+ earlier setting.</para></listitem>
</varlistentry>
<varlistentry>
@@ -695,8 +718,13 @@
capability bounding set is not
modified on process execution, hence
no limits on the capabilities of the
- process are
- enforced.</para></listitem>
+ process are enforced. This option may
+ appear more than once in which case
+ the bounding sets are merged. If the empty
+ string is assigned to this option the
+ bounding set is reset, and all prior
+ settings have no
+ effect.</para></listitem>
</varlistentry>
<varlistentry>
@@ -710,8 +738,12 @@
<option>no-setuid-fixup</option>,
<option>no-setuid-fixup-locked</option>,
<option>noroot</option> and/or
- <option>noroot-locked</option>.
- </para></listitem>
+ <option>noroot-locked</option>. This
+ option may appear more than once in
+ which case the secure bits are
+ ORed. If the empty string is assigned
+ to this option the bits are reset to
+ 0.</para></listitem>
</varlistentry>
<varlistentry>
@@ -739,10 +771,10 @@
groups the executed processes shall be
made members of. Takes a
space-separated list of cgroup
- identifiers. A cgroup identifier has a
- format like
+ identifiers. A cgroup identifier is
+ formatted like
<filename>cpu:/foo/bar</filename>,
- where "cpu" identifies the kernel
+ where "cpu" indicates the kernel
control group controller used, and
<filename>/foo/bar</filename> is the
control group path. The controller
@@ -751,30 +783,50 @@
hierarchy is implied. Alternatively,
the path and ":" may be omitted, in
which case the default control group
- path for this unit is implied. This
- option may be used to place executed
- processes in arbitrary groups in
- arbitrary hierarchies -- which can be
- configured externally with additional
- execution limits. By default systemd
- will place all executed processes in
- separate per-unit control groups
- (named after the unit) in the systemd
- named hierarchy. Since every process
- can be in one group per hierarchy only
- overriding the control group path in
- the named systemd hierarchy will
- disable automatic placement in the
- default group. This option is
- primarily intended to place executed
- processes in specific paths in
- specific kernel controller
- hierarchies. It is however not
+ path for this unit is implied.</para>
+
+ <para>This option may be used to place
+ executed processes in arbitrary groups
+ in arbitrary hierarchies -- which may
+ then be externally configured with
+ additional execution limits. By
+ default systemd will place all
+ executed processes in separate
+ per-unit control groups (named after
+ the unit) in the systemd named
+ hierarchy. This option is primarily
+ intended to place executed processes
+ in specific paths in specific kernel
+ controller hierarchies. It is not
recommended to manipulate the service
control group path in the systemd
named hierarchy. For details about
control groups see <ulink
- url="http://www.kernel.org/doc/Documentation/cgroups/cgroups.txt">cgroups.txt</ulink>.</para></listitem>
+ url="http://www.kernel.org/doc/Documentation/cgroups/cgroups.txt">cgroups.txt</ulink>.</para>
+
+ <para>This option may appear more than
+ once, in which case the list of
+ control group assignments is
+ merged. If the same hierarchy gets two
+ different paths assigned only the
+ later setting will take effect. If the
+ empty string is assigned to this
+ option the list of control group
+ assignments is reset, all previous
+ assignments will have no
+ effect.</para>
+
+ <para>Note that the list of control
+ group assignments of a unit is
+ extended implicitly based on the
+ settings of
+ <varname>DefaultControllers=</varname>
+ of
+ <citerefentry><refentrytitle>systemd.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+ but a unit's
+ <varname>ControlGroup=</varname>
+ setting for a specific controller
+ takes precedence.</para></listitem>
</varlistentry>
<varlistentry>
@@ -832,8 +884,8 @@
the controller and the default unit
cgroup path is implied. Thus, using
<varname>ControlGroupAttribute=</varname>
- is in most case sufficient to make use
- of control group enforcements,
+ is in most cases sufficient to make
+ use of control group enforcements,
explicit
<varname>ControlGroup=</varname> are
only necessary in case the implied
@@ -844,7 +896,23 @@
url="http://www.kernel.org/doc/Documentation/cgroups/cgroups.txt">cgroups.txt</ulink>. This
option may appear more than once, in
order to set multiple control group
- attributes.</para></listitem>
+ attributes. If this option is used
+ multiple times for the same cgroup
+ attribute only the later setting takes
+ effect. If the empty string is
+ assigned to this option the list of
+ attributes is reset, all previous
+ cgroup attribute settings have no
+ effect, including those done with
+ <varname>CPUShares=</varname>,
+ <varname>MemoryLimit=</varname>,
+ <varname>MemorySoftLimit</varname>,
+ <varname>DeviceAllow=</varname>,
+ <varname>DeviceDeny=</varname>,
+ <varname>BlockIOWeight=</varname>,
+ <varname>BlockIOReadBandwidth=</varname>,
+ <varname>BlockIOWriteBandwidth=</varname>.
+ </para></listitem>
</varlistentry>
<varlistentry>
@@ -988,18 +1056,21 @@
usual file access controls would
permit this. Directories listed in
<varname>InaccessibleDirectories=</varname>
- will be made inaccessible for processes
- inside the namespace. Note that
- restricting access with these options
- does not extend to submounts of a
- directory. You must list submounts
- separately in these settings to
- ensure the same limited access. These
- options may be specified more than
- once in which case all directories
- listed will have limited access from
- within the
- namespace.</para></listitem>
+ will be made inaccessible for
+ processes inside the namespace. Note
+ that restricting access with these
+ options does not extend to submounts
+ of a directory. You must list
+ submounts separately in these settings
+ to ensure the same limited
+ access. These options may be specified
+ more than once in which case all
+ directories listed will have limited
+ access from within the namespace. If
+ the empty string is assigned to this
+ option the specific list is reset, and
+ all prior assignments have no
+ effect.</para></listitem>
</varlistentry>
<varlistentry>
@@ -1131,8 +1202,13 @@
<function>exit_group</function>,
<function>exit</function> system calls
are implicitly whitelisted and don't
- need to be listed
- explicitly.</para></listitem>
+ need to be listed explicitly. This
+ option may be specified more than once
+ in which case the filter masks are
+ merged. If the empty string is
+ assigned the filter is reset, all
+ prior assignments will have no
+ effect.</para></listitem>
</varlistentry>
</variablelist>
diff --git a/man/systemd.path.xml b/man/systemd.path.xml
index 70a89b7a47..a602caab13 100644
--- a/man/systemd.path.xml
+++ b/man/systemd.path.xml
@@ -130,13 +130,15 @@
specified. <varname>PathChanged=</varname>
may be used to watch a file or
directory and activate the configured
- unit whenever it changes. It is not activated
- on every write to the watched file but it is
- activated if the file which was open for writing
- gets closed. <varname>PathModified=</varname>
- is similar, but additionally it is activated
- also on simple writes to the watched file.
-
+ unit whenever it changes. It is not
+ activated on every write to the
+ watched file but it is activated if
+ the file which was open for writing
+ gets
+ closed. <varname>PathModified=</varname>
+ is similar, but additionally it is
+ activated also on simple writes to the
+ watched file.
<varname>DirectoryNotEmpty=</varname>
may be used to watch a directory and
activate the configured unit whenever
@@ -148,7 +150,12 @@
<para>Multiple directives may be
combined, of the same and of different
- types, to watch multiple paths.</para>
+ types, to watch multiple paths. If the
+ empty string is assigned to any of
+ these options the list of paths to
+ watch is reset, and any prior
+ assignments of these options will not
+ have any effect.</para>
<para>If a path is already existing
(in case of
diff --git a/man/systemd.service.xml b/man/systemd.service.xml
index 63e5b16e53..f7cbbb489c 100644
--- a/man/systemd.service.xml
+++ b/man/systemd.service.xml
@@ -315,14 +315,18 @@
for compatibility with parsers
suitable for XDG
<filename>.desktop</filename> files.
- The commands are invoked one by
- one sequentially in the order they
- appear in the unit file.
- When <varname>Type</varname> is
- not <option>oneshot</option>, only one
+ The commands are invoked one by one
+ sequentially in the order they appear
+ in the unit file. When
+ <varname>Type</varname> is not
+ <option>oneshot</option>, only one
command may be given. Lone semicolons
may be escaped as
- '<literal>\;</literal>'.</para>
+ '<literal>\;</literal>'. If the empty
+ string is assigned to this option the
+ list of commands to start is reset,
+ prior assignments of this option will
+ have no effect.</para>
<para>Unless
<varname>Type=forking</varname> is
@@ -338,23 +342,6 @@
line (i.e. the program to execute) may
not include specifiers.</para>
- <para>Optionally, if the absolute file
- name is prefixed with
- '<literal>@</literal>', the second token
- will be passed as
- <literal>argv[0]</literal> to the
- executed process, followed by the
- further arguments specified. If the
- absolute file name is prefixed with
- '<literal>-</literal>' an exit code of
- the command normally considered a
- failure (i.e. non-zero exit status or
- abnormal exit due to signal) is ignored
- and considered success. If both
- '<literal>-</literal>' and
- '<literal>@</literal>' are used they
- can appear in either order.</para>
-
<para>On top of that basic environment
variable substitution is
supported. Use
@@ -376,6 +363,23 @@
literal and absolute path
name.</para>
+ <para>Optionally, if the absolute file
+ name is prefixed with
+ '<literal>@</literal>', the second token
+ will be passed as
+ <literal>argv[0]</literal> to the
+ executed process, followed by the
+ further arguments specified. If the
+ absolute file name is prefixed with
+ '<literal>-</literal>' an exit code of
+ the command normally considered a
+ failure (i.e. non-zero exit status or
+ abnormal exit due to signal) is ignored
+ and considered success. If both
+ '<literal>-</literal>' and
+ '<literal>@</literal>' are used they
+ can appear in either order.</para>
+
<para>Note that this setting does not
directly support shell command
lines. If shell command lines are to
@@ -616,8 +620,14 @@
SIGKILL</literal>", ensures that exit
codes 1, 2, 8 and the termination
signal SIGKILL are considered clean
- service
- terminations.</para></listitem>
+ service terminations. This option may
+ appear more than once in which case
+ the list of successful exit statuses
+ is merged. If the empty string is
+ assigned to this option the list is
+ reset, all prior assignments of this
+ option will have no
+ effect.</para></listitem>
</varlistentry>
<varlistentry>
@@ -638,9 +648,16 @@
logic. Example:
"<literal>RestartPreventExitStatus=1 6
SIGABRT</literal>", ensures that exit
- codes 1 and 6 and the termination signal
- SIGABRT will not result in automatic
- service restarting.</para></listitem>
+ codes 1 and 6 and the termination
+ signal SIGABRT will not result in
+ automatic service restarting. This
+ option may appear more than once in
+ which case the list of restart preventing
+ statuses is merged. If the empty
+ string is assigned to this option the
+ list is reset, all prior assignments
+ of this option will have no
+ effect.</para></listitem>
</varlistentry>
<varlistentry>
@@ -754,13 +771,22 @@
same time. Also note that a different
service may be activated on incoming
traffic than inherits the sockets. Or
- in other words: The
+ in other words: the
<varname>Service=</varname> setting of
<filename>.socket</filename> units
- doesn't have to match the inverse of the
- <varname>Sockets=</varname> setting of
- the <filename>.service</filename> it
- refers to.</para></listitem>
+ doesn't have to match the inverse of
+ the <varname>Sockets=</varname>
+ setting of the
+ <filename>.service</filename> it
+ refers to.</para>
+
+ <para>This option may appear more than
+ once, in which case the list of socket
+ units is merged. If the empty string
+ is assigned to this option the list of
+ sockets is reset, all prior uses of
+ this setting will have no
+ effect.</para></listitem>
</varlistentry>
<varlistentry>
diff --git a/man/systemd.socket.xml b/man/systemd.socket.xml
index 88cdaca00f..7ba8bdc85b 100644
--- a/man/systemd.socket.xml
+++ b/man/systemd.socket.xml
@@ -205,19 +205,24 @@
<para>These options may be specified
more than once in which case incoming
- traffic on any of the sockets will trigger
- service activation, and all listed
- sockets will be passed to the service,
- regardless whether there is incoming
- traffic on them or not.</para>
-
- <para>If an IP address is used here, it
- is often desirable to listen on it
+ traffic on any of the sockets will
+ trigger service activation, and all
+ listed sockets will be passed to the
+ service, regardless whether there is
+ incoming traffic on them or not. If
+ the empty string is assigned to any of
+ these options, the list of addresses
+ to listen on is reset, all prior uses
+ of any of these options will have no
+ effect.</para>
+
+ <para>If an IP address is used here,
+ it is often desirable to listen on it
before the interface it is configured
on is up and running, and even
regardless whether it will be up and
- running ever at all. To deal with this it is
- recommended to set the
+ running ever at all. To deal with this
+ it is recommended to set the
<varname>FreeBind=</varname> option
described below.</para></listitem>
</varlistentry>
diff --git a/man/systemd.timer.xml b/man/systemd.timer.xml
index e08e200212..8682643349 100644
--- a/man/systemd.timer.xml
+++ b/man/systemd.timer.xml
@@ -115,7 +115,7 @@
machine was booted
up. <varname>OnStartupSec=</varname>
defines a timer relative to when
- systemd was
+ systemd was first
started. <varname>OnUnitActiveSec=</varname>
defines a timer relative to when the
unit the timer is activating was last
@@ -157,7 +157,13 @@
<para>These are monotonic timers,
independent of wall-clock time and timezones. If the
computer is temporarily suspended, the
- monotonic clock stops too.</para></listitem>
+ monotonic clock stops too.</para>
+
+ <para>If the empty string is assigned
+ to any of these options the list of
+ timers is reset, and all prior
+ assignments will have no
+ effect.</para></listitem>
</varlistentry>
@@ -169,8 +175,10 @@
event expressions. See
<citerefentry><refentrytitle>systemd.time</refentrytitle><manvolnum>7</manvolnum></citerefentry>
for more information on the syntax of
- calendar event
- expressions.</para></listitem>
+ calendar event expressions. Otherwise
+ the semantics are similar to
+ <varname>OnActiveSec=</varname> and
+ related settings.</para></listitem>
</varlistentry>
<varlistentry>
diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml
index d43f288b81..953a2897ad 100644
--- a/man/systemd.unit.xml
+++ b/man/systemd.unit.xml
@@ -254,8 +254,13 @@
reference documentation that explains
what the unit's purpose is, followed
by how it is configured, followed by
- any other related
- documentation.</para></listitem>
+ any other related documentation. This
+ option may be specified more than once
+ in which case the specified list of
+ URIs is merged. If the empty string is
+ assigned to this option the list is
+ reset and all prior assignments will
+ have no effect.</para></listitem>
</varlistentry>
<varlistentry>
@@ -907,8 +912,12 @@
pipe symbol must be passed first, the
exclamation second. Except for
<varname>ConditionPathIsSymbolicLink=</varname>,
- all path checks follow
- symlinks.</para></listitem>
+ all path checks follow symlinks. If
+ any of these options is assigned the
+ empty string the list of conditions is
+ reset completely, all previous
+ condition settings (of any kind) will
+ have no effect.</para></listitem>
</varlistentry>
<varlistentry>
diff --git a/src/core/load-fragment-gperf.gperf.m4 b/src/core/load-fragment-gperf.gperf.m4
index 7fba0cfb77..1783ad0586 100644
--- a/src/core/load-fragment-gperf.gperf.m4
+++ b/src/core/load-fragment-gperf.gperf.m4
@@ -174,13 +174,13 @@ Service.FsckPassNo, config_parse_fsck_passno, 0,
EXEC_CONTEXT_CONFIG_ITEMS(Service)m4_dnl
KILL_CONTEXT_CONFIG_ITEMS(Service)m4_dnl
m4_dnl
-Socket.ListenStream, config_parse_socket_listen, 0, 0
-Socket.ListenDatagram, config_parse_socket_listen, 0, 0
-Socket.ListenSequentialPacket, config_parse_socket_listen, 0, 0
-Socket.ListenFIFO, config_parse_socket_listen, 0, 0
-Socket.ListenNetlink, config_parse_socket_listen, 0, 0
-Socket.ListenSpecial, config_parse_socket_listen, 0, 0
-Socket.ListenMessageQueue, config_parse_socket_listen, 0, 0
+Socket.ListenStream, config_parse_socket_listen, SOCKET_SOCKET, 0
+Socket.ListenDatagram, config_parse_socket_listen, SOCKET_SOCKET, 0
+Socket.ListenSequentialPacket, config_parse_socket_listen, SOCKET_SOCKET, 0
+Socket.ListenFIFO, config_parse_socket_listen, SOCKET_FIFO, 0
+Socket.ListenNetlink, config_parse_socket_listen, SOCKET_SOCKET, 0
+Socket.ListenSpecial, config_parse_socket_listen, SOCKET_SPECIAL, 0
+Socket.ListenMessageQueue, config_parse_socket_listen, SOCKET_MQUEUE, 0
Socket.BindIPv6Only, config_parse_socket_bind, 0, 0,
Socket.Backlog, config_parse_unsigned, 0, offsetof(Socket, backlog)
Socket.BindToDevice, config_parse_socket_bindtodevice, 0, 0
diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c
index 7b1e664511..f82ddd530c 100644
--- a/src/core/load-fragment.c
+++ b/src/core/load-fragment.c
@@ -91,11 +91,11 @@ int config_parse_unit_deps(
t = strndup(w, l);
if (!t)
- return -ENOMEM;
+ return log_oom();
k = unit_name_printf(u, t);
if (!k)
- return -ENOMEM;
+ return log_oom();
r = unit_add_dependency_by_name(u, d, k, NULL, true);
if (r < 0)
@@ -117,8 +117,7 @@ int config_parse_unit_string_printf(
void *userdata) {
Unit *u = userdata;
- char *k;
- int r;
+ _cleanup_free_ char *k = NULL;
assert(filename);
assert(lvalue);
@@ -127,12 +126,9 @@ int config_parse_unit_string_printf(
k = unit_full_printf(u, rvalue);
if (!k)
- return -ENOMEM;
-
- r = config_parse_string(filename, line, section, lvalue, ltype, k, data, userdata);
- free (k);
+ return log_oom();
- return r;
+ return config_parse_string(filename, line, section, lvalue, ltype, k, data, userdata);
}
int config_parse_unit_strv_printf(
@@ -146,8 +142,7 @@ int config_parse_unit_strv_printf(
void *userdata) {
Unit *u = userdata;
- char *k;
- int r;
+ _cleanup_free_ char *k = NULL;
assert(filename);
assert(lvalue);
@@ -156,12 +151,9 @@ int config_parse_unit_strv_printf(
k = unit_full_printf(u, rvalue);
if (!k)
- return -ENOMEM;
-
- r = config_parse_strv(filename, line, section, lvalue, ltype, k, data, userdata);
- free(k);
+ return log_oom();
- return r;
+ return config_parse_strv(filename, line, section, lvalue, ltype, k, data, userdata);
}
int config_parse_unit_path_printf(
@@ -175,8 +167,7 @@ int config_parse_unit_path_printf(
void *userdata) {
Unit *u = userdata;
- char *k;
- int r;
+ _cleanup_free_ char *k = NULL;
assert(filename);
assert(lvalue);
@@ -187,10 +178,7 @@ int config_parse_unit_path_printf(
if (!k)
return log_oom();
- r = config_parse_path(filename, line, section, lvalue, ltype, k, data, userdata);
- free(k);
-
- return r;
+ return config_parse_path(filename, line, section, lvalue, ltype, k, data, userdata);
}
int config_parse_socket_listen(
@@ -213,50 +201,39 @@ int config_parse_socket_listen(
s = SOCKET(data);
+ if (isempty(rvalue)) {
+ /* An empty assignment removes all ports */
+ socket_free_ports(s);
+ return 0;
+ }
+
p = new0(SocketPort, 1);
if (!p)
- return -ENOMEM;
-
- if (streq(lvalue, "ListenFIFO")) {
- p->type = SOCKET_FIFO;
-
- if (!(p->path = unit_full_printf(UNIT(s), rvalue))) {
- free(p);
- return -ENOMEM;
- }
-
- path_kill_slashes(p->path);
-
- } else if (streq(lvalue, "ListenSpecial")) {
- p->type = SOCKET_SPECIAL;
-
- if (!(p->path = unit_full_printf(UNIT(s), rvalue))) {
- free(p);
- return -ENOMEM;
- }
-
- path_kill_slashes(p->path);
-
- } else if (streq(lvalue, "ListenMessageQueue")) {
+ return log_oom();
- p->type = SOCKET_MQUEUE;
+ if (ltype != SOCKET_SOCKET) {
- if (!(p->path = unit_full_printf(UNIT(s), rvalue))) {
+ p->type = ltype;
+ p->path = unit_full_printf(UNIT(s), rvalue);
+ if (!p->path) {
free(p);
- return -ENOMEM;
+ return log_oom();
}
path_kill_slashes(p->path);
} else if (streq(lvalue, "ListenNetlink")) {
- char *k;
+ _cleanup_free_ char *k = NULL;
int r;
p->type = SOCKET_SOCKET;
k = unit_full_printf(UNIT(s), rvalue);
- r = socket_address_parse_netlink(&p->address, k);
- free(k);
+ if (!k) {
+ free(p);
+ return log_oom();
+ }
+ r = socket_address_parse_netlink(&p->address, k);
if (r < 0) {
log_error("[%s:%u] Failed to parse address value, ignoring: %s", filename, line, rvalue);
free(p);
@@ -264,14 +241,17 @@ int config_parse_socket_listen(
}
} else {
- char *k;
+ _cleanup_free_ char *k = NULL;
int r;
p->type = SOCKET_SOCKET;
k = unit_full_printf(UNIT(s), rvalue);
- r = socket_address_parse(&p->address, k);
- free(k);
+ if (!k) {
+ free(p);
+ return log_oom();
+ }
+ r = socket_address_parse(&p->address, k);
if (r < 0) {
log_error("[%s:%u] Failed to parse address value, ignoring: %s", filename, line, rvalue);
free(p);
@@ -430,12 +410,18 @@ int config_parse_exec(
assert(rvalue);
assert(e);
+ e += ltype;
+
+ if (isempty(rvalue)) {
+ /* An empty assignment resets the list */
+ exec_command_free_list(*e);
+ *e = NULL;
+ return 0;
+ }
+
/* We accept an absolute path as first argument, or
* alternatively an absolute prefixed with @ to allow
* overriding of argv[0]. */
-
- e += ltype;
-
for (;;) {
int i;
char *w;
@@ -480,7 +466,7 @@ int config_parse_exec(
n = new(char*, k + !honour_argv0);
if (!n)
- return -ENOMEM;
+ return log_oom();
k = 0;
FOREACH_WORD_QUOTED(w, l, rvalue, state) {
@@ -494,7 +480,7 @@ int config_parse_exec(
path = strndup(w, l);
if (!path) {
- r = -ENOMEM;
+ r = log_oom();
goto fail;
}
@@ -509,7 +495,7 @@ int config_parse_exec(
c = n[k++] = cunescape_length(w, l);
if (!c) {
- r = -ENOMEM;
+ r = log_oom();
goto fail;
}
@@ -532,7 +518,7 @@ int config_parse_exec(
if (!path) {
path = strdup(n[0]);
if (!path) {
- r = -ENOMEM;
+ r = log_oom();
goto fail;
}
}
@@ -541,7 +527,7 @@ int config_parse_exec(
nce = new0(ExecCommand, 1);
if (!nce) {
- r = -ENOMEM;
+ r = log_oom();
goto fail;
}
@@ -589,8 +575,9 @@ int config_parse_socket_bindtodevice(
assert(data);
if (rvalue[0] && !streq(rvalue, "*")) {
- if (!(n = strdup(rvalue)))
- return -ENOMEM;
+ n = strdup(rvalue);
+ if (!n)
+ return log_oom();
} else
n = NULL;
@@ -718,7 +705,6 @@ int config_parse_exec_cpu_sched_prio(
return 0;
}
-
/* On Linux RR/FIFO range from 1 to 99 and OTHER/BATCH may only be 0 */
min = sched_get_priority_min(c->cpu_sched_policy);
max = sched_get_priority_max(c->cpu_sched_policy);
@@ -754,6 +740,14 @@ int config_parse_exec_cpu_affinity(
assert(rvalue);
assert(data);
+ if (isempty(rvalue)) {
+ /* An empty assignment resets the CPU list */
+ if (c->cpuset)
+ CPU_FREE(c->cpuset);
+ c->cpuset = NULL;
+ return 0;
+ }
+
FOREACH_WORD_QUOTED(w, l, rvalue, state) {
char _cleanup_free_ *t = NULL;
int r;
@@ -761,14 +755,14 @@ int config_parse_exec_cpu_affinity(
t = strndup(w, l);
if (!t)
- return -ENOMEM;
+ return log_oom();
r = safe_atou(t, &cpu);
if (!c->cpuset) {
c->cpuset = cpu_set_malloc(&c->cpuset_ncpus);
if (!c->cpuset)
- return -ENOMEM;
+ return log_oom();
}
if (r < 0 || cpu >= c->cpuset_ncpus) {
@@ -801,9 +795,10 @@ int config_parse_exec_capabilities(
assert(rvalue);
assert(data);
- if (!(cap = cap_from_text(rvalue))) {
+ cap = cap_from_text(rvalue);
+ if (!cap) {
if (errno == ENOMEM)
- return -ENOMEM;
+ return log_oom();
log_error("[%s:%u] Failed to parse capabilities, ignoring: %s", filename, line, rvalue);
return 0;
@@ -836,6 +831,12 @@ int config_parse_exec_secure_bits(
assert(rvalue);
assert(data);
+ if (isempty(rvalue)) {
+ /* An empty assignment resets the field */
+ c->secure_bits = 0;
+ return 0;
+ }
+
FOREACH_WORD_QUOTED(w, l, rvalue, state) {
if (first_word(w, "keep-caps"))
c->secure_bits |= SECURE_KEEP_CAPS;
@@ -881,6 +882,12 @@ int config_parse_bounding_set(
assert(rvalue);
assert(data);
+ if (isempty(rvalue)) {
+ /* An empty assignment resets */
+ *capability_bounding_set_drop = 0;
+ return 0;
+ }
+
if (rvalue[0] == '~') {
invert = true;
rvalue++;
@@ -898,7 +905,7 @@ int config_parse_bounding_set(
t = strndup(w, l);
if (!t)
- return -ENOMEM;
+ return log_oom();
r = cap_from_name(t, &cap);
if (r < 0) {
@@ -945,9 +952,11 @@ int config_parse_limit(
return 0;
}
- if (!*rl)
- if (!(*rl = new(struct rlimit, 1)))
- return -ENOMEM;
+ if (!*rl) {
+ *rl = new(struct rlimit, 1);
+ if (!*rl)
+ return log_oom();
+ }
(*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) u;
return 0;
@@ -968,21 +977,28 @@ int config_parse_unit_cgroup(
size_t l;
char *state;
+ if (isempty(rvalue)) {
+ /* An empty assignment resets the list */
+ cgroup_bonding_free_list(u->cgroup_bondings, false);
+ u->cgroup_bondings = NULL;
+ return 0;
+ }
+
FOREACH_WORD_QUOTED(w, l, rvalue, state) {
char _cleanup_free_ *t = NULL, *k = NULL, *ku = NULL;
int r;
t = strndup(w, l);
if (!t)
- return -ENOMEM;
+ return log_oom();
k = unit_full_printf(u, t);
if (!k)
- return -ENOMEM;
+ return log_oom();
ku = cunescape(k);
if (!ku)
- return -ENOMEM;
+ return log_oom();
r = unit_add_cgroup_from_text(u, ku, true, NULL);
if (r < 0) {
@@ -1071,7 +1087,8 @@ int config_parse_kill_signal(
assert(rvalue);
assert(sig);
- if ((r = signal_from_string_try_harder(rvalue)) <= 0) {
+ r = signal_from_string_try_harder(rvalue);
+ if (r <= 0) {
log_error("[%s:%u] Failed to parse kill signal, ignoring: %s", filename, line, rvalue);
return 0;
}
@@ -1106,7 +1123,7 @@ int config_parse_exec_mount_flags(
t = strndup(w, l);
if (!t)
- return -ENOMEM;
+ return log_oom();
if (streq(t, "shared"))
flags |= MS_SHARED;
@@ -1147,6 +1164,12 @@ int config_parse_timer(
assert(rvalue);
assert(data);
+ if (isempty(rvalue)) {
+ /* Empty assignment resets list */
+ timer_free_values(t);
+ return 0;
+ }
+
b = timer_base_from_string(lvalue);
if (b < 0) {
log_error("[%s:%u] Failed to parse timer base, ignoring: %s", filename, line, lvalue);
@@ -1171,7 +1194,7 @@ int config_parse_timer(
v = new0(TimerValue, 1);
if (!v)
- return -ENOMEM;
+ return log_oom();
v->base = b;
v->clock_id = id;
@@ -1197,6 +1220,7 @@ int config_parse_timer_unit(
int r;
DBusError error;
Unit *u;
+ _cleanup_free_ char *p = NULL;
assert(filename);
assert(lvalue);
@@ -1205,12 +1229,16 @@ int config_parse_timer_unit(
dbus_error_init(&error);
- if (endswith(rvalue, ".timer")) {
+ p = unit_name_printf(UNIT(t), rvalue);
+ if (!p)
+ return log_oom();
+
+ if (endswith(p, ".timer")) {
log_error("[%s:%u] Unit cannot be of type timer, ignoring: %s", filename, line, rvalue);
return 0;
}
- r = manager_load_unit(UNIT(t)->manager, rvalue, NULL, NULL, &u);
+ r = manager_load_unit(UNIT(t)->manager, p, NULL, NULL, &u);
if (r < 0) {
log_error("[%s:%u] Failed to load unit %s, ignoring: %s", filename, line, rvalue, bus_error(&error, r));
dbus_error_free(&error);
@@ -1242,6 +1270,12 @@ int config_parse_path_spec(
assert(rvalue);
assert(data);
+ if (isempty(rvalue)) {
+ /* Empty assignment clears list */
+ path_free_specs(p);
+ return 0;
+ }
+
b = path_type_from_string(lvalue);
if (b < 0) {
log_error("[%s:%u] Failed to parse path type, ignoring: %s", filename, line, lvalue);
@@ -1331,6 +1365,7 @@ int config_parse_socket_service(
int r;
DBusError error;
Unit *x;
+ _cleanup_free_ char *p = NULL;
assert(filename);
assert(lvalue);
@@ -1339,12 +1374,16 @@ int config_parse_socket_service(
dbus_error_init(&error);
- if (!endswith(rvalue, ".service")) {
+ p = unit_name_printf(UNIT(s), rvalue);
+ if (!p)
+ return log_oom();
+
+ if (!endswith(p, ".service")) {
log_error("[%s:%u] Unit must be of type service, ignoring: %s", filename, line, rvalue);
return 0;
}
- r = manager_load_unit(UNIT(s)->manager, rvalue, NULL, &error, &x);
+ r = manager_load_unit(UNIT(s)->manager, p, NULL, &error, &x);
if (r < 0) {
log_error("[%s:%u] Failed to load unit %s, ignoring: %s", filename, line, rvalue, bus_error(&error, r));
dbus_error_free(&error);
@@ -1381,11 +1420,11 @@ int config_parse_service_sockets(
t = strndup(w, l);
if (!t)
- return -ENOMEM;
+ return log_oom();
k = unit_name_printf(UNIT(s), t);
if (!k)
- return -ENOMEM;
+ return log_oom();
if (!endswith(k, ".socket")) {
log_error("[%s:%u] Unit must be of type socket, ignoring: %s",
@@ -1425,8 +1464,7 @@ int config_parse_service_timeout(
assert(s);
r = config_parse_usec(filename, line, section, lvalue, ltype, rvalue, data, userdata);
-
- if (r)
+ if (r < 0)
return r;
if (streq(lvalue, "TimeoutSec")) {
@@ -1457,9 +1495,17 @@ int config_parse_unit_env_file(
assert(rvalue);
assert(data);
+ if (isempty(rvalue)) {
+ /* Empty assignment frees the list */
+
+ strv_free(*env);
+ *env = NULL;
+ return 0;
+ }
+
s = unit_full_printf(u, rvalue);
if (!s)
- return -ENOMEM;
+ return log_oom();
if (!path_is_absolute(s[0] == '-' ? s + 1 : s)) {
log_error("[%s:%u] Path '%s' is not absolute, ignoring.", filename, line, s);
@@ -1470,7 +1516,7 @@ int config_parse_unit_env_file(
k = strv_append(*env, s);
free(s);
if (!k)
- return -ENOMEM;
+ return log_oom();
strv_free(*env);
*env = k;
@@ -1526,6 +1572,13 @@ int config_parse_unit_condition_path(
assert(rvalue);
assert(data);
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ condition_free_list(u->conditions);
+ u->conditions = NULL;
+ return 0;
+ }
+
trigger = rvalue[0] == '|';
if (trigger)
rvalue++;
@@ -1536,7 +1589,7 @@ int config_parse_unit_condition_path(
p = unit_full_printf(u, rvalue);
if (!p)
- return -ENOMEM;
+ return log_oom();
if (!path_is_absolute(p)) {
log_error("[%s:%u] Path in condition not absolute, ignoring: %s", filename, line, p);
@@ -1545,7 +1598,7 @@ int config_parse_unit_condition_path(
c = condition_new(cond, p, trigger, negate);
if (!c)
- return -ENOMEM;
+ return log_oom();
LIST_PREPEND(Condition, conditions, u->conditions, c);
return 0;
@@ -1572,6 +1625,13 @@ int config_parse_unit_condition_string(
assert(rvalue);
assert(data);
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ condition_free_list(u->conditions);
+ u->conditions = NULL;
+ return 0;
+ }
+
trigger = rvalue[0] == '|';
if (trigger)
rvalue++;
@@ -1582,7 +1642,7 @@ int config_parse_unit_condition_string(
s = unit_full_printf(u, rvalue);
if (!s)
- return -ENOMEM;
+ return log_oom();
c = condition_new(cond, s, trigger, negate);
if (!c)
@@ -1612,13 +1672,23 @@ int config_parse_unit_condition_null(
assert(rvalue);
assert(data);
- if ((trigger = rvalue[0] == '|'))
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ condition_free_list(u->conditions);
+ u->conditions = NULL;
+ return 0;
+ }
+
+ trigger = rvalue[0] == '|';
+ if (trigger)
rvalue++;
- if ((negate = rvalue[0] == '!'))
+ negate = rvalue[0] == '!';
+ if (negate)
rvalue++;
- if ((b = parse_boolean(rvalue)) < 0) {
+ b = parse_boolean(rvalue);
+ if (b < 0) {
log_error("[%s:%u] Failed to parse boolean value in condition, ignoring: %s", filename, line, rvalue);
return 0;
}
@@ -1626,8 +1696,9 @@ int config_parse_unit_condition_null(
if (!b)
negate = !negate;
- if (!(c = condition_new(CONDITION_NULL, NULL, trigger, negate)))
- return -ENOMEM;
+ c = condition_new(CONDITION_NULL, NULL, trigger, negate);
+ if (!c)
+ return log_oom();
LIST_PREPEND(Condition, conditions, u->conditions, c);
return 0;
@@ -1647,7 +1718,7 @@ int config_parse_unit_cgroup_attr(
void *userdata) {
Unit *u = data;
- char **l;
+ _cleanup_strv_free_ char **l = NULL;
int r;
assert(filename);
@@ -1655,19 +1726,23 @@ int config_parse_unit_cgroup_attr(
assert(rvalue);
assert(data);
+ if (isempty(rvalue)) {
+ /* Empty assignment clears the list */
+ cgroup_attribute_free_list(u->cgroup_attributes);
+ u->cgroup_attributes = NULL;
+ return 0;
+ }
+
l = strv_split_quoted(rvalue);
if (!l)
- return -ENOMEM;
+ return log_oom();
if (strv_length(l) != 2) {
log_error("[%s:%u] Failed to parse cgroup attribute value, ignoring: %s", filename, line, rvalue);
- strv_free(l);
return 0;
}
r = unit_add_cgroup_attribute(u, NULL, l[0], l[1], NULL, NULL);
- strv_free(l);
-
if (r < 0) {
log_error("[%s:%u] Failed to add cgroup attribute value, ignoring: %s", filename, line, rvalue);
return 0;
@@ -1680,7 +1755,7 @@ int config_parse_unit_cpu_shares(const char *filename, unsigned line, const char
Unit *u = data;
int r;
unsigned long ul;
- char *t;
+ _cleanup_free_ char *t = NULL;
assert(filename);
assert(lvalue);
@@ -1693,11 +1768,9 @@ int config_parse_unit_cpu_shares(const char *filename, unsigned line, const char
}
if (asprintf(&t, "%lu", ul) < 0)
- return -ENOMEM;
+ return log_oom();
r = unit_add_cgroup_attribute(u, "cpu", "cpu.shares", t, NULL, NULL);
- free(t);
-
if (r < 0) {
log_error("[%s:%u] Failed to add cgroup attribute value, ignoring: %s", filename, line, rvalue);
return 0;
@@ -1710,7 +1783,7 @@ int config_parse_unit_memory_limit(const char *filename, unsigned line, const ch
Unit *u = data;
int r;
off_t sz;
- char *t;
+ _cleanup_free_ char *t = NULL;
assert(filename);
assert(lvalue);
@@ -1723,14 +1796,12 @@ int config_parse_unit_memory_limit(const char *filename, unsigned line, const ch
}
if (asprintf(&t, "%llu", (unsigned long long) sz) < 0)
- return -ENOMEM;
+ return log_oom();
r = unit_add_cgroup_attribute(u,
"memory",
streq(lvalue, "MemorySoftLimit") ? "memory.soft_limit_in_bytes" : "memory.limit_in_bytes",
t, NULL, NULL);
- free(t);
-
if (r < 0) {
log_error("[%s:%u] Failed to add cgroup attribute value, ignoring: %s", filename, line, rvalue);
return 0;
@@ -1740,7 +1811,7 @@ int config_parse_unit_memory_limit(const char *filename, unsigned line, const ch
}
static int device_map(const char *controller, const char *name, const char *value, char **ret) {
- char **l;
+ _cleanup_strv_free_ char **l = NULL;
assert(controller);
assert(name);
@@ -1756,43 +1827,34 @@ static int device_map(const char *controller, const char *name, const char *valu
if (streq(l[0], "*")) {
if (asprintf(ret, "a *:*%s%s",
- isempty(l[1]) ? "" : " ", strempty(l[1])) < 0) {
- strv_free(l);
+ isempty(l[1]) ? "" : " ", strempty(l[1])) < 0)
return -ENOMEM;
- }
-
} else {
struct stat st;
if (stat(l[0], &st) < 0) {
log_warning("Couldn't stat device %s", l[0]);
- strv_free(l);
return -errno;
}
if (!S_ISCHR(st.st_mode) && !S_ISBLK(st.st_mode)) {
log_warning("%s is not a device.", l[0]);
- strv_free(l);
return -ENODEV;
}
if (asprintf(ret, "%c %u:%u%s%s",
S_ISCHR(st.st_mode) ? 'c' : 'b',
major(st.st_rdev), minor(st.st_rdev),
- isempty(l[1]) ? "" : " ", strempty(l[1])) < 0) {
-
- strv_free(l);
+ isempty(l[1]) ? "" : " ", strempty(l[1])) < 0)
return -ENOMEM;
- }
}
- strv_free(l);
return 0;
}
int config_parse_unit_device_allow(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata) {
Unit *u = data;
- char **l;
+ _cleanup_strv_free_ char **l = NULL;
int r;
unsigned k;
@@ -1803,27 +1865,23 @@ int config_parse_unit_device_allow(const char *filename, unsigned line, const ch
l = strv_split_quoted(rvalue);
if (!l)
- return -ENOMEM;
+ return log_oom();
k = strv_length(l);
if (k < 1 || k > 2) {
log_error("[%s:%u] Failed to parse device value, ignoring: %s", filename, line, rvalue);
- strv_free(l);
return 0;
}
if (!streq(l[0], "*") && !path_startswith(l[0], "/dev")) {
log_error("[%s:%u] Device node path not absolute, ignoring: %s", filename, line, rvalue);
- strv_free(l);
return 0;
}
if (!isempty(l[1]) && !in_charset(l[1], "rwm")) {
log_error("[%s:%u] Device access string invalid, ignoring: %s", filename, line, rvalue);
- strv_free(l);
return 0;
}
- strv_free(l);
r = unit_add_cgroup_attribute(u, "devices",
streq(lvalue, "DeviceAllow") ? "devices.allow" : "devices.deny",
@@ -1839,7 +1897,7 @@ int config_parse_unit_device_allow(const char *filename, unsigned line, const ch
static int blkio_map(const char *controller, const char *name, const char *value, char **ret) {
struct stat st;
- char **l;
+ _cleanup_strv_free_ char **l = NULL;
dev_t d;
assert(controller);
@@ -1849,13 +1907,12 @@ static int blkio_map(const char *controller, const char *name, const char *value
l = strv_split_quoted(value);
if (!l)
- return -ENOMEM;
+ return log_oom();
assert(strv_length(l) == 2);
if (stat(l[0], &st) < 0) {
log_warning("Couldn't stat device %s", l[0]);
- strv_free(l);
return -errno;
}
@@ -1871,16 +1928,12 @@ static int blkio_map(const char *controller, const char *name, const char *value
block_get_whole_disk(d, &d);
} else {
log_warning("%s is not a block device and file system block device cannot be determined or is not local.", l[0]);
- strv_free(l);
return -ENODEV;
}
- if (asprintf(ret, "%u:%u %s", major(d), minor(d), l[1]) < 0) {
- strv_free(l);
+ if (asprintf(ret, "%u:%u %s", major(d), minor(d), l[1]) < 0)
return -ENOMEM;
- }
- strv_free(l);
return 0;
}
@@ -1890,7 +1943,8 @@ int config_parse_unit_blkio_weight(const char *filename, unsigned line, const ch
unsigned long ul;
const char *device = NULL, *weight;
unsigned k;
- char *t, **l;
+ _cleanup_free_ char *t = NULL;
+ _cleanup_strv_free_ char **l = NULL;
assert(filename);
assert(lvalue);
@@ -1899,12 +1953,11 @@ int config_parse_unit_blkio_weight(const char *filename, unsigned line, const ch
l = strv_split_quoted(rvalue);
if (!l)
- return -ENOMEM;
+ return log_oom();
k = strv_length(l);
if (k < 1 || k > 2) {
log_error("[%s:%u] Failed to parse weight value, ignoring: %s", filename, line, rvalue);
- strv_free(l);
return 0;
}
@@ -1917,13 +1970,11 @@ int config_parse_unit_blkio_weight(const char *filename, unsigned line, const ch
if (device && !path_is_absolute(device)) {
log_error("[%s:%u] Failed to parse block device node value, ignoring: %s", filename, line, rvalue);
- strv_free(l);
return 0;
}
if (safe_atolu(weight, &ul) < 0 || ul < 10 || ul > 1000) {
log_error("[%s:%u] Failed to parse block IO weight value, ignoring: %s", filename, line, rvalue);
- strv_free(l);
return 0;
}
@@ -1931,17 +1982,13 @@ int config_parse_unit_blkio_weight(const char *filename, unsigned line, const ch
r = asprintf(&t, "%s %lu", device, ul);
else
r = asprintf(&t, "%lu", ul);
- strv_free(l);
-
if (r < 0)
- return -ENOMEM;
+ return log_oom();
if (device)
r = unit_add_cgroup_attribute(u, "blkio", "blkio.weight_device", t, blkio_map, NULL);
else
r = unit_add_cgroup_attribute(u, "blkio", "blkio.weight", t, NULL, NULL);
- free(t);
-
if (r < 0) {
log_error("[%s:%u] Failed to add cgroup attribute value, ignoring: %s", filename, line, rvalue);
return 0;
@@ -1955,7 +2002,8 @@ int config_parse_unit_blkio_bandwidth(const char *filename, unsigned line, const
int r;
off_t bytes;
unsigned k;
- char *t, **l;
+ _cleanup_free_ char *t = NULL;
+ _cleanup_strv_free_ char **l = NULL;
assert(filename);
assert(lvalue);
@@ -1964,38 +2012,31 @@ int config_parse_unit_blkio_bandwidth(const char *filename, unsigned line, const
l = strv_split_quoted(rvalue);
if (!l)
- return -ENOMEM;
+ return log_oom();
k = strv_length(l);
if (k != 2) {
log_error("[%s:%u] Failed to parse bandwidth value, ignoring: %s", filename, line, rvalue);
- strv_free(l);
return 0;
}
if (!path_is_absolute(l[0])) {
log_error("[%s:%u] Failed to parse block device node value, ignoring: %s", filename, line, rvalue);
- strv_free(l);
return 0;
}
if (parse_bytes(l[1], &bytes) < 0 || bytes <= 0) {
log_error("[%s:%u] Failed to parse block IO bandwidth value, ignoring: %s", filename, line, rvalue);
- strv_free(l);
return 0;
}
r = asprintf(&t, "%s %llu", l[0], (unsigned long long) bytes);
- strv_free(l);
-
if (r < 0)
- return -ENOMEM;
+ return log_oom();
r = unit_add_cgroup_attribute(u, "blkio",
streq(lvalue, "BlockIOReadBandwidth") ? "blkio.read_bps_device" : "blkio.write_bps_device",
t, blkio_map, NULL);
- free(t);
-
if (r < 0) {
log_error("[%s:%u] Failed to add cgroup attribute value, ignoring: %s", filename, line, rvalue);
return 0;
@@ -2053,6 +2094,13 @@ int config_parse_documentation(
assert(rvalue);
assert(u);
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ strv_free(u->documentation);
+ u->documentation = NULL;
+ return 0;
+ }
+
r = config_parse_unit_strv_printf(filename, line, section, lvalue, ltype, rvalue, data, userdata);
if (r < 0)
return r;
@@ -2101,6 +2149,13 @@ int config_parse_syscall_filter(
assert(rvalue);
assert(u);
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ free(c->syscall_filter);
+ c->syscall_filter = NULL;
+ return 0;
+ }
+
if (rvalue[0] == '~') {
invert = true;
rvalue++;
@@ -2112,7 +2167,7 @@ int config_parse_syscall_filter(
n = (syscall_max() + 31) >> 4;
c->syscall_filter = new(uint32_t, n);
if (!c->syscall_filter)
- return -ENOMEM;
+ return log_oom();
memset(c->syscall_filter, invert ? 0xFF : 0, n * sizeof(uint32_t));
@@ -2132,10 +2187,9 @@ int config_parse_syscall_filter(
t = strndup(w, l);
if (!t)
- return -ENOMEM;
+ return log_oom();
id = syscall_from_name(t);
-
if (id < 0) {
log_error("[%s:%u] Failed to parse syscall, ignoring: %s",
filename, line, t);
diff --git a/src/core/path.c b/src/core/path.c
index 767620ba75..3775577bcf 100644
--- a/src/core/path.c
+++ b/src/core/path.c
@@ -248,22 +248,28 @@ static void path_init(Unit *u) {
p->directory_mode = 0755;
}
-static void path_done(Unit *u) {
- Path *p = PATH(u);
+void path_free_specs(Path *p) {
PathSpec *s;
assert(p);
- unit_ref_unset(&p->unit);
-
while ((s = p->specs)) {
- path_spec_unwatch(s, u);
+ path_spec_unwatch(s, UNIT(p));
LIST_REMOVE(PathSpec, spec, p->specs, s);
path_spec_done(s);
free(s);
}
}
+static void path_done(Unit *u) {
+ Path *p = PATH(u);
+
+ assert(p);
+
+ unit_ref_unset(&p->unit);
+ path_free_specs(p);
+}
+
int path_add_one_mount_link(Path *p, Mount *m) {
PathSpec *s;
int r;
diff --git a/src/core/path.h b/src/core/path.h
index 77926888ae..645feef191 100644
--- a/src/core/path.h
+++ b/src/core/path.h
@@ -98,6 +98,8 @@ void path_unit_notify(Unit *u, UnitActiveState new_state);
* any of the paths of this path object */
int path_add_one_mount_link(Path *p, Mount *m);
+void path_free_specs(Path *p);
+
extern const UnitVTable path_vtable;
const char* path_state_to_string(PathState i);
diff --git a/src/core/socket.c b/src/core/socket.c
index d75504051b..f2d854851d 100644
--- a/src/core/socket.c
+++ b/src/core/socket.c
@@ -102,8 +102,7 @@ static void socket_unwatch_control_pid(Socket *s) {
s->control_pid = 0;
}
-static void socket_done(Unit *u) {
- Socket *s = SOCKET(u);
+void socket_free_ports(Socket *s) {
SocketPort *p;
assert(s);
@@ -119,6 +118,14 @@ static void socket_done(Unit *u) {
free(p->path);
free(p);
}
+}
+
+static void socket_done(Unit *u) {
+ Socket *s = SOCKET(u);
+
+ assert(s);
+
+ socket_free_ports(s);
exec_context_done(&s->exec_context);
exec_command_free_array(s->exec_command, _SOCKET_EXEC_COMMAND_MAX);
diff --git a/src/core/socket.h b/src/core/socket.h
index f099520dce..e0bae299b3 100644
--- a/src/core/socket.h
+++ b/src/core/socket.h
@@ -163,6 +163,8 @@ int socket_add_one_mount_link(Socket *s, Mount *m);
/* Called from the service code when a per-connection service ended */
void socket_connection_unref(Socket *s);
+void socket_free_ports(Socket *s);
+
extern const UnitVTable socket_vtable;
const char* socket_state_to_string(SocketState i);
diff --git a/src/core/timer.c b/src/core/timer.c
index 4453aa0781..8061f79e3a 100644
--- a/src/core/timer.c
+++ b/src/core/timer.c
@@ -48,8 +48,7 @@ static void timer_init(Unit *u) {
watch_init(&t->realtime_watch);
}
-static void timer_done(Unit *u) {
- Timer *t = TIMER(u);
+void timer_free_values(Timer *t) {
TimerValue *v;
assert(t);
@@ -62,6 +61,14 @@ static void timer_done(Unit *u) {
free(v);
}
+}
+
+static void timer_done(Unit *u) {
+ Timer *t = TIMER(u);
+
+ assert(t);
+
+ timer_free_values(t);
unit_unwatch_timer(u, &t->monotonic_watch);
unit_unwatch_timer(u, &t->realtime_watch);
diff --git a/src/core/timer.h b/src/core/timer.h
index 10d3ce1116..c145348c7d 100644
--- a/src/core/timer.h
+++ b/src/core/timer.h
@@ -84,6 +84,8 @@ struct Timer {
void timer_unit_notify(Unit *u, UnitActiveState new_state);
+void timer_free_values(Timer *t);
+
extern const UnitVTable timer_vtable;
const char *timer_state_to_string(TimerState i);
diff --git a/src/shared/conf-parser.c b/src/shared/conf-parser.c
index 9f5c07c761..7f286096d2 100644
--- a/src/shared/conf-parser.c
+++ b/src/shared/conf-parser.c
@@ -377,7 +377,8 @@ int config_parse_int(
assert(rvalue);
assert(data);
- if ((r = safe_atoi(rvalue, i)) < 0) {
+ r = safe_atoi(rvalue, i);
+ if (r < 0) {
log_error("[%s:%u] Failed to parse numeric value, ingoring: %s", filename, line, rvalue);
return 0;
}
@@ -403,7 +404,8 @@ int config_parse_long(
assert(rvalue);
assert(data);
- if ((r = safe_atoli(rvalue, i)) < 0) {
+ r = safe_atoli(rvalue, i);
+ if (r < 0) {
log_error("[%s:%u] Failed to parse numeric value, ignoring: %s", filename, line, rvalue);
return 0;
}
@@ -429,7 +431,8 @@ int config_parse_uint64(
assert(rvalue);
assert(data);
- if ((r = safe_atou64(rvalue, u)) < 0) {
+ r = safe_atou64(rvalue, u);
+ if (r < 0) {
log_error("[%s:%u] Failed to parse numeric value, ignoring: %s", filename, line, rvalue);
return 0;
}
@@ -455,7 +458,8 @@ int config_parse_unsigned(
assert(rvalue);
assert(data);
- if ((r = safe_atou(rvalue, u)) < 0) {
+ r = safe_atou(rvalue, u);
+ if (r < 0) {
log_error("[%s:%u] Failed to parse numeric value: %s", filename, line, rvalue);
return r;
}
@@ -595,7 +599,7 @@ int config_parse_string(
n = strdup(rvalue);
if (!n)
- return -ENOMEM;
+ return log_oom();
if (!utf8_is_valid(n)) {
log_error("[%s:%u] String is not UTF-8 clean, ignoring assignment: %s", filename, line, rvalue);
@@ -644,7 +648,7 @@ int config_parse_path(
n = strdup(rvalue);
if (!n)
- return -ENOMEM;
+ return log_oom();
path_kill_slashes(n);
@@ -677,13 +681,19 @@ int config_parse_strv(
assert(rvalue);
assert(data);
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ strv_free(*sv);
+ *sv = NULL;
+ }
+
k = strv_length(*sv);
FOREACH_WORD_QUOTED(w, l, rvalue, state)
k++;
n = new(char*, k+1);
if (!n)
- return -ENOMEM;
+ return log_oom();
if (*sv)
for (k = 0; (*sv)[k]; k++)
@@ -694,7 +704,7 @@ int config_parse_strv(
FOREACH_WORD_QUOTED(w, l, rvalue, state) {
n[k] = cunescape_length(w, l);
if (!n[k]) {
- r = -ENOMEM;
+ r = log_oom();
goto fail;
}
@@ -744,13 +754,19 @@ int config_parse_path_strv(
assert(rvalue);
assert(data);
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+ strv_free(*sv);
+ *sv = NULL;
+ }
+
k = strv_length(*sv);
FOREACH_WORD_QUOTED(w, l, rvalue, state)
k++;
n = new(char*, k+1);
if (!n)
- return -ENOMEM;
+ return log_oom();
k = 0;
if (*sv)
@@ -760,7 +776,7 @@ int config_parse_path_strv(
FOREACH_WORD_QUOTED(w, l, rvalue, state) {
n[k] = strndup(w, l);
if (!n[k]) {
- r = -ENOMEM;
+ r = log_oom();
goto fail;
}
@@ -957,6 +973,16 @@ int config_parse_set_status(
assert(rvalue);
assert(data);
+ if (isempty(rvalue)) {
+ /* Empty assignment resets the list */
+
+ set_free(status_set->signal);
+ set_free(status_set->code);
+
+ status_set->signal = status_set->code = NULL;
+ return 0;
+ }
+
FOREACH_WORD(w, l, rvalue, state) {
int val;
char *temp;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-07 18:51:44 +0000