X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcore%2Fmount.c;h=ec90b0a6708184a7ffe3ccd63ecb48d177e77f3c;hp=ca21ec7d0e747307b0fd9f999538ee18595b1498;hb=06b643e7f5a3b79005dd57497897ab7255fe3659;hpb=8eb5a6e001afd3da22fe4c16fe786a362d46733e diff --git a/src/core/mount.c b/src/core/mount.c index ca21ec7d0..ec90b0a67 100644 --- a/src/core/mount.c +++ b/src/core/mount.c @@ -380,7 +380,8 @@ static int mount_add_default_dependencies(Mount *m) { if (!p) return 0; - if (path_equal(m->where, "/")) + if (path_equal(m->where, "/") || + path_equal(m->where, "/usr")) return 0; if (mount_is_network(p)) { @@ -418,57 +419,6 @@ static int mount_add_default_dependencies(Mount *m) { return 0; } -static int mount_fix_timeouts(Mount *m) { - MountParameters *p; - const char *timeout = NULL; - Unit *other; - Iterator i; - usec_t u; - char *t; - int r; - - assert(m); - - p = get_mount_parameters_fragment(m); - if (!p) - return 0; - - /* Allow configuration how long we wait for a device that - * backs a mount point to show up. This is useful to support - * endless device timeouts for devices that show up only after - * user input, like crypto devices. */ - - if ((timeout = mount_test_option(p->options, "comment=systemd.device-timeout"))) - timeout += 31; - else if ((timeout = mount_test_option(p->options, "x-systemd.device-timeout"))) - timeout += 25; - else - return 0; - - t = strndup(timeout, strcspn(timeout, ",;" WHITESPACE)); - if (!t) - return -ENOMEM; - - r = parse_sec(t, &u); - free(t); - - if (r < 0) { - log_warning_unit(UNIT(m)->id, - "Failed to parse timeout for %s, ignoring: %s", - m->where, timeout); - return r; - } - - SET_FOREACH(other, UNIT(m)->dependencies[UNIT_AFTER], i) { - if (other->type != UNIT_DEVICE) - continue; - - other->job_timeout = u; - } - - return 0; -} - static int mount_verify(Mount *m) { _cleanup_free_ char *e = NULL; bool b; @@ -556,10 +506,6 @@ static int mount_add_extras(Mount *m) { if (r < 0) return r; - r = mount_fix_timeouts(m); - if (r < 0) - return r; - if (u->default_dependencies) { r = mount_add_default_dependencies(m); if (r < 0) @@ -881,6 +827,23 @@ void warn_if_dir_nonempty(const char *unit, const char* where) { NULL); } +static int fail_if_symlink(const char *unit, const char* where) { + assert(where); + + if (is_symlink(where) > 0) { + log_struct_unit(LOG_WARNING, + unit, + "MESSAGE=%s: Mount on symlink %s not allowed.", + unit, where, + "WHERE=%s", where, + MESSAGE_ID(SD_MESSAGE_OVERMOUNTING), + NULL); + + return -ELOOP; + } + return 0; +} + static void mount_enter_unmounting(Mount *m) { int r; @@ -931,11 +894,15 @@ static void mount_enter_mounting(Mount *m) { if (p && mount_is_bind(p)) mkdir_p_label(p->what, m->directory_mode); + r = fail_if_symlink(m->meta.id, m->where); + if (r < 0) + goto fail; + if (m->from_fragment) r = exec_command_set( m->control_command, "/bin/mount", - "-n", + m->sloppy_options ? "-ns" : "-n", m->parameters_fragment.what, m->where, "-t", m->parameters_fragment.fstype ? m->parameters_fragment.fstype : "auto", @@ -983,7 +950,7 @@ static void mount_enter_remounting(Mount *m) { r = exec_command_set( m->control_command, "/bin/mount", - "-n", + m->sloppy_options ? "-ns" : "-n", m->parameters_fragment.what, m->where, "-t", m->parameters_fragment.fstype ? m->parameters_fragment.fstype : "auto",