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authorLennart Poettering <lennart@poettering.net>2014-02-05 02:02:00 +0100
committerLennart Poettering <lennart@poettering.net>2014-02-05 02:03:10 +0100
commitc7040b5d1c2c148f12b6a5eef3dfce1661805131 (patch)
treedc82be22b8c2ee12913b6723ddf148f8fadeb917
parent7b1796403ae1ed0c3299867874cc82ed3ed413a6 (diff)
core: allow User=, Group=, Nice=, Environment=, Type= to be passed when creating a transient service
-rw-r--r--src/core/dbus-execute.c124
-rw-r--r--src/core/dbus-execute.h2
-rw-r--r--src/core/dbus-kill.c18
-rw-r--r--src/core/dbus-service.c24
-rw-r--r--src/run/run.c146
5 files changed, 288 insertions, 26 deletions
diff --git a/src/core/dbus-execute.c b/src/core/dbus-execute.c
index edf84f89f..d2bbda2db 100644
--- a/src/core/dbus-execute.c
+++ b/src/core/dbus-execute.c
@@ -30,6 +30,7 @@
#include "execute.h"
#include "dbus-execute.h"
#include "capability.h"
+#include "env-util.h"
BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_exec_output, exec_output, ExecOutput);
@@ -513,3 +514,126 @@ int bus_property_get_exec_command_list(
return sd_bus_message_close_container(reply);
}
+
+int bus_exec_context_set_transient_property(
+ Unit *u,
+ ExecContext *c,
+ const char *name,
+ sd_bus_message *message,
+ UnitSetPropertiesMode mode,
+ sd_bus_error *error) {
+
+ int r;
+
+ assert(u);
+ assert(c);
+ assert(name);
+ assert(message);
+
+ if (streq(name, "User")) {
+ const char *uu;
+
+ r = sd_bus_message_read(message, "s", &uu);
+ if (r < 0)
+ return r;
+
+ if (mode != UNIT_CHECK) {
+
+ if (isempty(uu)) {
+ free(c->user);
+ c->user = NULL;
+ } else {
+ char *t;
+
+ t = strdup(uu);
+ if (!t)
+ return -ENOMEM;
+
+ free(c->user);
+ c->user = t;
+ }
+
+ unit_write_drop_in_private_format(u, mode, name, "User=%s\n", uu);
+ }
+
+ return 1;
+
+ } else if (streq(name, "Group")) {
+ const char *gg;
+
+ r = sd_bus_message_read(message, "s", &gg);
+ if (r < 0)
+ return r;
+
+ if (mode != UNIT_CHECK) {
+
+ if (isempty(gg)) {
+ free(c->group);
+ c->group = NULL;
+ } else {
+ char *t;
+
+ t = strdup(gg);
+ if (!t)
+ return -ENOMEM;
+
+ free(c->group);
+ c->group = t;
+ }
+
+ unit_write_drop_in_private_format(u, mode, name, "Group=%s\n", gg);
+ }
+
+ return 1;
+
+ } else if (streq(name, "Nice")) {
+ int n;
+
+ r = sd_bus_message_read(message, "i", &n);
+ if (r < 0)
+ return r;
+
+ if (n < PRIO_MIN || n >= PRIO_MAX)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Nice value out of range");
+
+ if (mode != UNIT_CHECK) {
+ c->nice = n;
+ unit_write_drop_in_private_format(u, mode, name, "Nice=%i\n", n);
+ }
+
+ return 1;
+
+ } else if (streq(name, "Environment")) {
+
+ _cleanup_strv_free_ char **l = NULL;
+
+ r = sd_bus_message_read_strv(message, &l);
+ if (r < 0)
+ return r;
+
+ if (!strv_env_is_valid(l))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment block.");
+
+ if (mode != UNIT_CHECK) {
+ _cleanup_free_ char *joined;
+ char **e;
+
+ e = strv_env_merge(2, c->environment, l);
+ if (!e)
+ return -ENOMEM;
+
+ strv_free(c->environment);
+ c->environment = e;
+
+ joined = strv_join(c->environment, " ");
+ if (!joined)
+ return -ENOMEM;
+
+ unit_write_drop_in_private_format(u, mode, name, "Environment=%s\n", joined);
+ }
+
+ return 1;
+ }
+
+ return 0;
+}
diff --git a/src/core/dbus-execute.h b/src/core/dbus-execute.h
index 5c8bc3063..e4c2d5ddf 100644
--- a/src/core/dbus-execute.h
+++ b/src/core/dbus-execute.h
@@ -42,3 +42,5 @@ extern const sd_bus_vtable bus_exec_vtable[];
int bus_property_get_exec_output(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *ret_error);
int bus_property_get_exec_command(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *ret_error);
int bus_property_get_exec_command_list(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *ret_error);
+
+int bus_exec_context_set_transient_property(Unit *u, ExecContext *c, const char *name, sd_bus_message *message, UnitSetPropertiesMode mode, sd_bus_error *error);
diff --git a/src/core/dbus-kill.c b/src/core/dbus-kill.c
index 8d3e149f3..f3cfb226e 100644
--- a/src/core/dbus-kill.c
+++ b/src/core/dbus-kill.c
@@ -70,6 +70,24 @@ int bus_kill_context_set_transient_property(
return 1;
+ } else if (streq(name, "KillSignal")) {
+ int sig;
+
+ r = sd_bus_message_read(message, "i", &sig);
+ if (r < 0)
+ return r;
+
+ if (sig <= 0 || sig >= _NSIG)
+ return sd_bus_error_setf(error, "Signal %i out of range", sig);
+
+ if (mode != UNIT_CHECK) {
+ c->kill_signal = sig;
+
+ unit_write_drop_in_private_format(u, mode, name, "KillSignal=%s\n", signal_to_string(sig));
+ }
+
+ return 1;
+
} else if (streq(name, "SendSIGHUP")) {
int b;
diff --git a/src/core/dbus-service.c b/src/core/dbus-service.c
index 3db9339d4..73cf17541 100644
--- a/src/core/dbus-service.c
+++ b/src/core/dbus-service.c
@@ -96,6 +96,25 @@ static int bus_service_set_transient_property(
return 1;
+ } else if (streq(name, "Type")) {
+ const char *t;
+ ServiceType k;
+
+ r = sd_bus_message_read(message, "s", &t);
+ if (r < 0)
+ return r;
+
+ k = service_type_from_string(t);
+ if (k < 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid service type %s", t);
+
+ if (mode != UNIT_CHECK) {
+ s->type = k;
+ unit_write_drop_in_private_format(UNIT(s), mode, name, "Type=%s\n", service_type_to_string(s->type));
+ }
+
+ return 1;
+
} else if (streq(name, "ExecStart")) {
unsigned n = 0;
@@ -151,6 +170,7 @@ static int bus_service_set_transient_property(
n++;
}
+
if (r < 0)
return r;
@@ -223,6 +243,10 @@ int bus_service_set_property(
if (r != 0)
return r;
+ r = bus_exec_context_set_transient_property(u, &s->exec_context, name, message, mode, error);
+ if (r != 0)
+ return r;
+
r = bus_kill_context_set_transient_property(u, &s->kill_context, name, message, mode, error);
if (r != 0)
return r;
diff --git a/src/run/run.c b/src/run/run.c
index 1b14e40e4..f9c6c292e 100644
--- a/src/run/run.c
+++ b/src/run/run.c
@@ -39,6 +39,12 @@ static bool arg_send_sighup = false;
static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
static char *arg_host = NULL;
static bool arg_user = false;
+static const char *arg_service_type = NULL;
+static const char *arg_exec_user = NULL;
+static const char *arg_exec_group = NULL;
+static int arg_nice = 0;
+static bool arg_nice_set = false;
+static char **arg_environment = NULL;
static int help(void) {
@@ -54,7 +60,12 @@ static int help(void) {
" --description=TEXT Description for unit\n"
" --slice=SLICE Run in the specified slice\n"
" -r --remain-after-exit Leave service around until explicitly stopped\n"
- " --send-sighup Send SIGHUP when terminating\n",
+ " --send-sighup Send SIGHUP when terminating\n"
+ " --service-type=TYPE Service type\n"
+ " --uid=USER Run as system user\n"
+ " --gid=GROUP Run as system group\n"
+ " --nice=NICE Nice level\n"
+ " --setenv=ENV Set environment\n",
program_invocation_short_name);
return 0;
@@ -71,25 +82,35 @@ static int parse_argv(int argc, char *argv[]) {
ARG_DESCRIPTION,
ARG_SLICE,
ARG_SEND_SIGHUP,
+ ARG_EXEC_USER,
+ ARG_EXEC_GROUP,
+ ARG_SERVICE_TYPE,
+ ARG_NICE,
+ ARG_SETENV
};
static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, ARG_VERSION },
- { "user", no_argument, NULL, ARG_USER },
- { "system", no_argument, NULL, ARG_SYSTEM },
- { "scope", no_argument, NULL, ARG_SCOPE },
- { "unit", required_argument, NULL, ARG_UNIT },
- { "description", required_argument, NULL, ARG_DESCRIPTION },
- { "slice", required_argument, NULL, ARG_SLICE },
- { "remain-after-exit", no_argument, NULL, 'r' },
- { "send-sighup", no_argument, NULL, ARG_SEND_SIGHUP },
- { "host", required_argument, NULL, 'H' },
- { "machine", required_argument, NULL, 'M' },
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "user", no_argument, NULL, ARG_USER },
+ { "system", no_argument, NULL, ARG_SYSTEM },
+ { "scope", no_argument, NULL, ARG_SCOPE },
+ { "unit", required_argument, NULL, ARG_UNIT },
+ { "description", required_argument, NULL, ARG_DESCRIPTION },
+ { "slice", required_argument, NULL, ARG_SLICE },
+ { "remain-after-exit", no_argument, NULL, 'r' },
+ { "send-sighup", no_argument, NULL, ARG_SEND_SIGHUP },
+ { "host", required_argument, NULL, 'H' },
+ { "machine", required_argument, NULL, 'M' },
+ { "service-type", required_argument, NULL, ARG_SERVICE_TYPE },
+ { "uid", required_argument, NULL, ARG_EXEC_USER },
+ { "gid", required_argument, NULL, ARG_EXEC_GROUP },
+ { "nice", required_argument, NULL, ARG_NICE },
+ { "setenv", required_argument, NULL, ARG_SETENV },
{},
};
- int c;
+ int r, c;
assert(argc >= 0);
assert(argv);
@@ -148,6 +169,35 @@ static int parse_argv(int argc, char *argv[]) {
arg_host = optarg;
break;
+ case ARG_SERVICE_TYPE:
+ arg_service_type = optarg;
+ break;
+
+ case ARG_EXEC_USER:
+ arg_exec_user = optarg;
+ break;
+
+ case ARG_EXEC_GROUP:
+ arg_exec_group = optarg;
+ break;
+
+ case ARG_NICE:
+ r = safe_atoi(optarg, &arg_nice);
+ if (r < 0) {
+ log_error("Failed to parse nice value");
+ return -EINVAL;
+ }
+
+ arg_nice_set = true;
+ break;
+
+ case ARG_SETENV:
+
+ if (strv_extend(&arg_environment, optarg) < 0)
+ return log_oom();
+
+ break;
+
case '?':
return -EINVAL;
@@ -171,6 +221,11 @@ static int parse_argv(int argc, char *argv[]) {
return -EINVAL;
}
+ if (arg_scope && (arg_remain_after_exit || arg_service_type || arg_exec_user || arg_exec_group || arg_nice_set || arg_environment)) {
+ log_error("--remain-after-exit, --service-type=, --user=, --group=, --nice= and --setenv= are not supported in --scope mode.");
+ return -EINVAL;
+ }
+
return 1;
}
@@ -251,7 +306,6 @@ static int start_transient_service(
_cleanup_bus_message_unref_ sd_bus_message *m = NULL;
_cleanup_free_ char *name = NULL;
- char **i;
int r;
if (arg_unit)
@@ -269,6 +323,56 @@ static int start_transient_service(
if (r < 0)
return r;
+ if (arg_service_type) {
+ r = sd_bus_message_append(m, "(sv)", "Type", "s", arg_service_type);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_exec_user) {
+ r = sd_bus_message_append(m, "(sv)", "User", "s", arg_exec_user);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_exec_group) {
+ r = sd_bus_message_append(m, "(sv)", "Group", "s", arg_exec_group);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_nice_set) {
+ r = sd_bus_message_append(m, "(sv)", "Nice", "i", arg_nice);
+ if (r < 0)
+ return r;
+ }
+
+ if (!strv_isempty(arg_environment)) {
+ r = sd_bus_message_open_container(m, 'r', "sv");
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(m, "s", "Environment");
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_open_container(m, 'v', "as");
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append_strv(m, arg_environment);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return r;
+ }
+
r = sd_bus_message_open_container(m, 'r', "sv");
if (r < 0)
return r;
@@ -293,17 +397,7 @@ static int start_transient_service(
if (r < 0)
return r;
- r = sd_bus_message_open_container(m, 'a', "s");
- if (r < 0)
- return r;
-
- STRV_FOREACH(i, argv) {
- r = sd_bus_message_append(m, "s", *i);
- if (r < 0)
- return r;
- }
-
- r = sd_bus_message_close_container(m);
+ r = sd_bus_message_append_strv(m, argv);
if (r < 0)
return r;