chiark / gitweb /
unit: consider all cgroups in the name=systemd hierarchy, even when the user has...
[elogind.git] / src / execute.c
index a62f9dbbc64fb149e3c8cffef3cec7968216089f..cb5584354293cdb3375838e1eeb44fe3e896214c 100644 (file)
@@ -886,7 +886,7 @@ static int setup_pam(
          * cleanups, so forget about the handle here. */
         handle = NULL;
 
-        /* Unblock SIGSUR1 again in the parent */
+        /* Unblock SIGTERM again in the parent */
         if (sigprocmask(SIG_SETMASK, &old_ss, NULL) < 0)
                 goto fail;
 
@@ -957,9 +957,12 @@ static int do_capability_bounding_set_drop(uint64_t drop) {
                 }
         }
 
-        for (i = 0; i <= CAP_LAST_CAP; i++)
+        for (i = 0; i <= MAX(63LU, (unsigned long) CAP_LAST_CAP); i++)
                 if (drop & ((uint64_t) 1ULL << (uint64_t) i)) {
                         if (prctl(PR_CAPBSET_DROP, i) < 0) {
+                                if (errno == EINVAL)
+                                        break;
+
                                 r = -errno;
                                 goto finish;
                         }
@@ -1243,16 +1246,14 @@ int exec_spawn(ExecCommand *command,
                                         r = EXIT_STDIN;
                                         goto fail_child;
                                 }
-                }
 
-#ifdef HAVE_PAM
-                if (context->pam_name && username) {
-                        if (setup_pam(context->pam_name, username, context->tty_path, &pam_env, fds, n_fds) < 0) {
-                                r = EXIT_PAM;
-                                goto fail_child;
-                        }
+                        if (cgroup_bondings && context->control_group_modify)
+                                if (cgroup_bonding_set_group_access_list(cgroup_bondings, 0755, uid, gid) < 0 ||
+                                    cgroup_bonding_set_task_access_list(cgroup_bondings, 0644, uid, gid) < 0) {
+                                        r = EXIT_CGROUP;
+                                        goto fail_child;
+                                }
                 }
-#endif
 
                 if (apply_permissions)
                         if (enforce_groups(context, username, uid) < 0) {
@@ -1262,6 +1263,15 @@ int exec_spawn(ExecCommand *command,
 
                 umask(context->umask);
 
+#ifdef HAVE_PAM
+                if (context->pam_name && username) {
+                        if (setup_pam(context->pam_name, username, context->tty_path, &pam_env, fds, n_fds) < 0) {
+                                r = EXIT_PAM;
+                                goto fail_child;
+                        }
+                }
+#endif
+
                 if (strv_length(context->read_write_dirs) > 0 ||
                     strv_length(context->read_only_dirs) > 0 ||
                     strv_length(context->inaccessible_dirs) > 0 ||
@@ -1646,12 +1656,14 @@ void exec_context_dump(ExecContext *c, FILE* f, const char *prefix) {
                 "%sWorkingDirectory: %s\n"
                 "%sRootDirectory: %s\n"
                 "%sNonBlocking: %s\n"
-                "%sPrivateTmp: %s\n",
+                "%sPrivateTmp: %s\n"
+                "%sControlGroupModify: %s\n",
                 prefix, c->umask,
                 prefix, c->working_directory ? c->working_directory : "/",
                 prefix, c->root_directory ? c->root_directory : "/",
                 prefix, yes_no(c->non_blocking),
-                prefix, yes_no(c->private_tmp));
+                prefix, yes_no(c->private_tmp),
+                prefix, yes_no(c->control_group_modify));
 
         STRV_FOREACH(e, c->environment)
                 fprintf(f, "%sEnvironment: %s\n", prefix, *e);
@@ -1754,13 +1766,14 @@ void exec_context_dump(ExecContext *c, FILE* f, const char *prefix) {
                         (c->secure_bits & SECURE_NOROOT_LOCKED) ? "noroot-locked" : "");
 
         if (c->capability_bounding_set_drop) {
+                unsigned long l;
                 fprintf(f, "%sCapabilityBoundingSet:", prefix);
 
-                for (i = 0; i <= CAP_LAST_CAP; i++)
-                        if (!(c->capability_bounding_set_drop & ((uint64_t) 1ULL << (uint64_t) i))) {
+                for (l = 0; l <= (unsigned long) CAP_LAST_CAP; l++)
+                        if (!(c->capability_bounding_set_drop & ((uint64_t) 1ULL << (uint64_t) l))) {
                                 char *t;
 
-                                if ((t = cap_to_name(i))) {
+                                if ((t = cap_to_name(l))) {
                                         fprintf(f, " %s", t);
                                         cap_free(t);
                                 }