#include "strv.h"
#include "fileio.h"
#include "execute.h"
-#include "dbus-execute.h"
#include "capability.h"
#include "env-util.h"
+#include "af-list.h"
+#include "namespace.h"
+#include "path-util.h"
+#include "dbus-execute.h"
#ifdef HAVE_SECCOMP
#include "seccomp-util.h"
static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_input, exec_input, ExecInput);
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_utmp_mode, exec_utmp_mode, ExecUtmpMode);
+
+static BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_protect_home, protect_home, ProtectHome);
+static BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_protect_system, protect_system, ProtectSystem);
+
static int property_get_environment_files(
sd_bus *bus,
const char *path,
struct rlimit *rl;
uint64_t u;
+ rlim_t x;
assert(bus);
assert(reply);
rl = *(struct rlimit**) userdata;
if (rl)
- u = (uint64_t) rl->rlim_max;
+ x = rl->rlim_max;
else {
struct rlimit buf = {};
int z;
assert(z >= 0);
getrlimit(z, &buf);
-
- u = (uint64_t) buf.rlim_max;
+ x = buf.rlim_max;
}
+ /* rlim_t might have different sizes, let's map
+ * RLIMIT_INFINITY to (uint64_t) -1, so that it is the same on
+ * all archs */
+ u = x == RLIM_INFINITY ? (uint64_t) -1 : (uint64_t) x;
+
return sd_bus_message_append(reply, "t", u);
}
assert(reply);
assert(c);
- if (c->timer_slack_nsec != (nsec_t) -1)
+ if (c->timer_slack_nsec != NSEC_INFINITY)
u = (uint64_t) c->timer_slack_nsec;
else
u = (uint64_t) prctl(PR_GET_TIMERSLACK);
if (!name)
continue;
- r = strv_push(&l, name);
- if (r < 0) {
- free(name);
- return -ENOMEM;
- }
+ r = strv_consume(&l, name);
+ if (r < 0)
+ return r;
}
#endif
return sd_bus_message_append(reply, "i", (int32_t) c->syscall_errno);
}
+static int property_get_selinux_context(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ ExecContext *c = userdata;
+
+ assert(bus);
+ assert(reply);
+ assert(c);
+
+ return sd_bus_message_append(reply, "(bs)", c->selinux_context_ignore, c->selinux_context);
+}
+
+static int property_get_apparmor_profile(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ ExecContext *c = userdata;
+
+ assert(bus);
+ assert(reply);
+ assert(c);
+
+ return sd_bus_message_append(reply, "(bs)", c->apparmor_profile_ignore, c->apparmor_profile);
+}
+
+static int property_get_smack_process_label(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ ExecContext *c = userdata;
+
+ assert(bus);
+ assert(reply);
+ assert(c);
+
+ return sd_bus_message_append(reply, "(bs)", c->smack_process_label_ignore, c->smack_process_label);
+}
+
+static int property_get_personality(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ ExecContext *c = userdata;
+
+ assert(bus);
+ assert(reply);
+ assert(c);
+
+ return sd_bus_message_append(reply, "s", personality_to_string(c->personality));
+}
+
+static int property_get_address_families(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ ExecContext *c = userdata;
+ _cleanup_strv_free_ char **l = NULL;
+ Iterator i;
+ void *af;
+ int r;
+
+ assert(bus);
+ assert(reply);
+ assert(c);
+
+ r = sd_bus_message_open_container(reply, 'r', "bas");
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "b", c->address_families_whitelist);
+ if (r < 0)
+ return r;
+
+ SET_FOREACH(af, c->address_families, i) {
+ const char *name;
+
+ name = af_to_name(PTR_TO_INT(af));
+ if (!name)
+ continue;
+
+ r = strv_extend(&l, name);
+ if (r < 0)
+ return -ENOMEM;
+ }
+
+ strv_sort(l);
+
+ r = sd_bus_message_append_strv(reply, l);
+ if (r < 0)
+ return r;
+
+ return sd_bus_message_close_container(reply);
+}
+
+static int property_get_working_directory(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ ExecContext *c = userdata;
+ const char *wd;
+
+ assert(bus);
+ assert(reply);
+ assert(c);
+
+ if (c->working_directory_home)
+ wd = "~";
+ else
+ wd = c->working_directory;
+
+ if (c->working_directory_missing_ok)
+ wd = strjoina("!", wd);
+
+ return sd_bus_message_append(reply, "s", wd);
+}
+
const sd_bus_vtable bus_exec_vtable[] = {
SD_BUS_VTABLE_START(0),
SD_BUS_PROPERTY("Environment", "as", NULL, offsetof(ExecContext, environment), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("LimitNICE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("LimitRTPRIO", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("LimitRTTIME", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("WorkingDirectory", "s", NULL, offsetof(ExecContext, working_directory), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("WorkingDirectory", "s", property_get_working_directory, 0, SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("RootDirectory", "s", NULL, offsetof(ExecContext, root_directory), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("OOMScoreAdjust", "i", property_get_oom_score_adjust, 0, SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("Nice", "i", property_get_nice, 0, SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("User", "s", NULL, offsetof(ExecContext, user), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("Group", "s", NULL, offsetof(ExecContext, group), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("SupplementaryGroups", "as", NULL, offsetof(ExecContext, supplementary_groups), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("TCPWrapName", "s", NULL, offsetof(ExecContext, tcpwrap_name), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("PAMName", "s", NULL, offsetof(ExecContext, pam_name), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("ReadWriteDirectories", "as", NULL, offsetof(ExecContext, read_write_dirs), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("ReadOnlyDirectories", "as", NULL, offsetof(ExecContext, read_only_dirs), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("PrivateTmp", "b", bus_property_get_bool, offsetof(ExecContext, private_tmp), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("PrivateNetwork", "b", bus_property_get_bool, offsetof(ExecContext, private_network), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("PrivateDevices", "b", bus_property_get_bool, offsetof(ExecContext, private_devices), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("ProtectHome", "s", bus_property_get_protect_home, offsetof(ExecContext, protect_home), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("ProtectSystem", "s", bus_property_get_protect_system, offsetof(ExecContext, protect_system), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("SameProcessGroup", "b", bus_property_get_bool, offsetof(ExecContext, same_pgrp), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("UtmpIdentifier", "s", NULL, offsetof(ExecContext, utmp_id), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("SELinuxContext", "s", NULL, offsetof(ExecContext, selinux_context), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("UtmpMode", "s", property_get_exec_utmp_mode, offsetof(ExecContext, utmp_mode), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("SELinuxContext", "(bs)", property_get_selinux_context, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("AppArmorProfile", "(bs)", property_get_apparmor_profile, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("SmackProcessLabel", "(bs)", property_get_smack_process_label, 0, SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("IgnoreSIGPIPE", "b", bus_property_get_bool, offsetof(ExecContext, ignore_sigpipe), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("NoNewPrivileges", "b", bus_property_get_bool, offsetof(ExecContext, no_new_privileges), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("SystemCallFilter", "(bas)", property_get_syscall_filter, 0, SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("SystemCallArchitectures", "as", property_get_syscall_archs, 0, SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("SystemCallErrorNumber", "i", property_get_syscall_errno, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("Personality", "s", property_get_personality, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("RestrictAddressFamilies", "(bas)", property_get_address_families, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("RuntimeDirectoryMode", "u", bus_property_get_mode, offsetof(ExecContext, runtime_directory_mode), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("RuntimeDirectory", "as", NULL, offsetof(ExecContext, runtime_directory), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_VTABLE_END
};
if (mode != UNIT_CHECK) {
if (isempty(uu)) {
- free(c->user);
- c->user = NULL;
+ c->user = mfree(c->user);
} else {
char *t;
if (mode != UNIT_CHECK) {
if (isempty(gg)) {
- free(c->group);
- c->group = NULL;
+ c->group = mfree(c->group);
} else {
char *t;
return 1;
+ } else if (STR_IN_SET(name, "TTYPath", "RootDirectory")) {
+ const char *s;
+
+ r = sd_bus_message_read(message, "s", &s);
+ if (r < 0)
+ return r;
+
+ if (!path_is_absolute(s))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "%s takes an absolute path", name);
+
+ if (mode != UNIT_CHECK) {
+ if (streq(name, "TTYPath"))
+ r = free_and_strdup(&c->tty_path, s);
+ else {
+ assert(streq(name, "RootDirectory"));
+ r = free_and_strdup(&c->root_directory, s);
+ }
+ if (r < 0)
+ return r;
+
+ unit_write_drop_in_private_format(u, mode, name, "%s=%s\n", name, s);
+ }
+
+ return 1;
+
+ } else if (streq(name, "WorkingDirectory")) {
+ const char *s;
+ bool missing_ok;
+
+ r = sd_bus_message_read(message, "s", &s);
+ if (r < 0)
+ return r;
+
+ if (s[0] == '-') {
+ missing_ok = true;
+ s++;
+ } else
+ missing_ok = false;
+
+ if (!streq(s, "~") && !path_is_absolute(s))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "WorkingDirectory= expects an absolute path or '~'");
+
+ if (mode != UNIT_CHECK) {
+ if (streq(s, "~")) {
+ c->working_directory = mfree(c->working_directory);
+ c->working_directory_home = true;
+ } else {
+ r = free_and_strdup(&c->working_directory, s);
+ if (r < 0)
+ return r;
+
+ c->working_directory_home = false;
+ }
+
+ c->working_directory_missing_ok = missing_ok;
+ unit_write_drop_in_private_format(u, mode, name, "WorkingDirectory=%s%s", missing_ok ? "-" : "", s);
+ }
+
+ return 1;
+
+ } else if (streq(name, "StandardInput")) {
+ const char *s;
+ ExecInput p;
+
+ r = sd_bus_message_read(message, "s", &s);
+ if (r < 0)
+ return r;
+
+ p = exec_input_from_string(s);
+ if (p < 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard input name");
+
+ if (mode != UNIT_CHECK) {
+ c->std_input = p;
+
+ unit_write_drop_in_private_format(u, mode, name, "StandardInput=%s\n", exec_input_to_string(p));
+ }
+
+ return 1;
+
+
+ } else if (streq(name, "StandardOutput")) {
+ const char *s;
+ ExecOutput p;
+
+ r = sd_bus_message_read(message, "s", &s);
+ if (r < 0)
+ return r;
+
+ p = exec_output_from_string(s);
+ if (p < 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard output name");
+
+ if (mode != UNIT_CHECK) {
+ c->std_output = p;
+
+ unit_write_drop_in_private_format(u, mode, name, "StandardOutput=%s\n", exec_output_to_string(p));
+ }
+
+ return 1;
+
+ } else if (streq(name, "StandardError")) {
+ const char *s;
+ ExecOutput p;
+
+ r = sd_bus_message_read(message, "s", &s);
+ if (r < 0)
+ return r;
+
+ p = exec_output_from_string(s);
+ if (p < 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard error name");
+
+ if (mode != UNIT_CHECK) {
+ c->std_error = p;
+
+ unit_write_drop_in_private_format(u, mode, name, "StandardError=%s\n", exec_output_to_string(p));
+ }
+
+ return 1;
+
+ } else if (STR_IN_SET(name,
+ "IgnoreSIGPIPE", "TTYVHangup", "TTYReset",
+ "PrivateTmp", "PrivateDevices", "PrivateNetwork",
+ "NoNewPrivileges")) {
+ int b;
+
+ r = sd_bus_message_read(message, "b", &b);
+ if (r < 0)
+ return r;
+
+ if (mode != UNIT_CHECK) {
+ if (streq(name, "IgnoreSIGPIPE"))
+ c->ignore_sigpipe = b;
+ else if (streq(name, "TTYVHangup"))
+ c->tty_vhangup = b;
+ else if (streq(name, "TTYReset"))
+ c->tty_reset = b;
+ else if (streq(name, "PrivateTmp"))
+ c->private_tmp = b;
+ else if (streq(name, "PrivateDevices"))
+ c->private_devices = b;
+ else if (streq(name, "PrivateNetwork"))
+ c->private_network = b;
+ else if (streq(name, "NoNewPrivileges"))
+ c->no_new_privileges = b;
+
+ unit_write_drop_in_private_format(u, mode, name, "%s=%s\n", name, yes_no(b));
+ }
+
+ return 1;
+
+ } else if (streq(name, "UtmpIdentifier")) {
+ const char *id;
+
+ r = sd_bus_message_read(message, "s", &id);
+ if (r < 0)
+ return r;
+
+ if (mode != UNIT_CHECK) {
+ if (isempty(id))
+ c->utmp_id = mfree(c->utmp_id);
+ else if (free_and_strdup(&c->utmp_id, id) < 0)
+ return -ENOMEM;
+
+ unit_write_drop_in_private_format(u, mode, name, "UtmpIdentifier=%s\n", strempty(id));
+ }
+
+ return 1;
+
+ } else if (streq(name, "UtmpMode")) {
+ const char *s;
+ ExecUtmpMode m;
+
+ r = sd_bus_message_read(message, "s", &s);
+ if (r < 0)
+ return r;
+
+ m = exec_utmp_mode_from_string(s);
+ if (m < 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid utmp mode");
+
+ if (mode != UNIT_CHECK) {
+ c->utmp_mode = m;
+
+ unit_write_drop_in_private_format(u, mode, name, "UtmpMode=%s\n", exec_utmp_mode_to_string(m));
+ }
+
+ return 1;
+
+ } else if (streq(name, "PAMName")) {
+ const char *n;
+
+ r = sd_bus_message_read(message, "s", &n);
+ if (r < 0)
+ return r;
+
+ if (mode != UNIT_CHECK) {
+ if (isempty(n))
+ c->pam_name = mfree(c->pam_name);
+ else if (free_and_strdup(&c->pam_name, n) < 0)
+ return -ENOMEM;
+
+ unit_write_drop_in_private_format(u, mode, name, "PAMName=%s\n", strempty(n));
+ }
+
+ return 1;
+
} else if (streq(name, "Environment")) {
_cleanup_strv_free_ char **l = NULL;
strv_free(c->environment);
c->environment = e;
- joined = strv_join(c->environment, " ");
+ joined = strv_join_quoted(c->environment);
if (!joined)
return -ENOMEM;
unit_write_drop_in_private_format(u, mode, name, "Environment=%s\n", joined);
}
+ return 1;
+
+ } else if (rlimit_from_string(name) >= 0) {
+ uint64_t rl;
+ rlim_t x;
+
+ r = sd_bus_message_read(message, "t", &rl);
+ if (r < 0)
+ return r;
+
+ if (rl == (uint64_t) -1)
+ x = RLIM_INFINITY;
+ else {
+ x = (rlim_t) rl;
+
+ if ((uint64_t) x != rl)
+ return -ERANGE;
+ }
+
+ if (mode != UNIT_CHECK) {
+ int z;
+
+ z = rlimit_from_string(name);
+
+ if (!c->rlimit[z]) {
+ c->rlimit[z] = new(struct rlimit, 1);
+ if (!c->rlimit[z])
+ return -ENOMEM;
+ }
+
+ c->rlimit[z]->rlim_cur = c->rlimit[z]->rlim_max = x;
+
+ if (x == RLIM_INFINITY)
+ unit_write_drop_in_private_format(u, mode, name, "%s=infinity\n", name);
+ else
+ unit_write_drop_in_private_format(u, mode, name, "%s=%" PRIu64 "\n", name, rl);
+ }
+
return 1;
}
projects / thirdparty / systemd.git / blobdiff