chiark / gitweb /
build-sys: move source files to subdirectory
[elogind.git] / mount-setup.c
diff --git a/mount-setup.c b/mount-setup.c
deleted file mode 100644 (file)
index cb91e18..0000000
+++ /dev/null
@@ -1,168 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8 -*-*/
-
-/***
-  This file is part of systemd.
-
-  Copyright 2010 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 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
-  General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <sys/mount.h>
-#include <errno.h>
-#include <sys/stat.h>
-#include <stdlib.h>
-#include <string.h>
-#include <libgen.h>
-#include <assert.h>
-
-#include "mount-setup.h"
-#include "log.h"
-#include "macro.h"
-#include "util.h"
-
-typedef struct MountPoint {
-        const char *what;
-        const char *where;
-        const char *type;
-        const char *options;
-        unsigned long flags;
-        bool fatal;
-} MountPoint;
-
-static const MountPoint mount_table[] = {
-        { "proc",        "/proc",                    "proc",        NULL,        MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
-        { "sysfs",       "/sys",                     "sysfs",       NULL,        MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
-        { "devtmps",     "/dev",                     "devtmpfs",    "mode=755",  MS_NOSUID,                    true },
-        { "tmpfs",       "/dev/shm",                 "tmpfs",       "mode=1777", MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
-        { "devpts",      "/dev/pts",                 "devpts",      NULL,        MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
-        { "cgroup",      "/cgroup/debug",            "cgroup",      "debug",     MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
-        { "debugfs",     "/sys/kernel/debug",        "debugfs",     NULL,        MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
-        { "binfmt_misc", "/proc/sys/fs/binfmt_misc", "binfmt_misc", NULL,        MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
-        { "mqueue",      "/dev/mqueue",              "mqueue",      NULL,        MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
-};
-
-bool mount_point_is_api(const char *path) {
-        unsigned i;
-
-        /* Checks if this mount point is considered "API", and hence
-         * should be ignored */
-
-        for (i = 0; i < ELEMENTSOF(mount_table); i ++)
-                if (path_startswith(path, mount_table[i].where))
-                        return true;
-
-        return path_startswith(path, "/cgroup/");
-}
-
-static int mount_one(const MountPoint *p) {
-        int r;
-
-        assert(p);
-
-        if ((r = path_is_mount_point(p->where)) < 0)
-                return r;
-
-        if (r > 0)
-                return 0;
-
-        /* The access mode here doesn't really matter too much, since
-         * the mounted file system will take precedence anyway. */
-        mkdir_p(p->where, 0755);
-
-        log_debug("Mounting %s to %s of type %s with options %s.",
-                  p->what,
-                  p->where,
-                  p->type,
-                  strna(p->options));
-
-        if (mount(p->what,
-                  p->where,
-                  p->type,
-                  p->flags,
-                  p->options) < 0) {
-                log_error("Failed to mount %s: %s", p->where, strerror(errno));
-                return p->fatal ? -errno : 0;
-        }
-
-        return 0;
-}
-
-static int mount_cgroup_controllers(void) {
-        int r;
-        FILE *f;
-        char buf [256];
-
-        /* Mount all available cgroup controllers. */
-
-        if (!(f = fopen("/proc/cgroups", "re")))
-                return -ENOENT;
-
-        /* Ignore the header line */
-        (void) fgets(buf, sizeof(buf), f);
-
-        for (;;) {
-                MountPoint p;
-                char *controller, *where;
-
-                if (fscanf(f, "%ms %*i %*i %*i", &controller) != 1) {
-
-                        if (feof(f))
-                                break;
-
-                        log_error("Failed to parse /proc/cgroups.");
-                        r = -EIO;
-                        goto finish;
-                }
-
-                if (asprintf(&where, "/cgroup/%s", controller) < 0) {
-                        free(controller);
-                        r = -ENOMEM;
-                        goto finish;
-                }
-
-                zero(p);
-                p.what = "cgroup";
-                p.where = where;
-                p.type = "cgroup";
-                p.options = controller;
-                p.flags = MS_NOSUID|MS_NOEXEC|MS_NODEV;
-                p.fatal = false;
-
-                r = mount_one(&p);
-                free(controller);
-                free(where);
-
-                if (r < 0)
-                        goto finish;
-        }
-
-        r = 0;
-
-finish:
-        fclose(f);
-
-        return r;
-}
-
-int mount_setup(void) {
-        int r;
-        unsigned i;
-
-        for (i = 0; i < ELEMENTSOF(mount_table); i ++)
-                if ((r = mount_one(mount_table+i)) < 0)
-                        return r;
-
-        return mount_cgroup_controllers();
-}