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taint: add missing cgroups taint flag

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This commit is contained in:
Lennart Poettering 2011-03-30 02:12:46 +02:00
parent d885ac661b
commit 871c44a747
2 changed files with 30 additions and 11 deletions
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12
src/dbus-manager.c
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@ -20,6 +20,7 @@
***/ ***/
#include <errno.h> #include <errno.h>
#include <unistd.h>
#include "dbus.h" #include "dbus.h"
#include "log.h" #include "log.h"
@ -226,14 +227,15 @@ static int bus_manager_append_tainted(Manager *m, DBusMessageIter *i, const char
if (m->taint_usr) if (m->taint_usr)
e = stpcpy(e, "usr-separate-fs "); e = stpcpy(e, "usr-separate-fs ");
if (readlink_malloc("/etc/mtab", &p) < 0) { if (readlink_malloc("/etc/mtab", &p) < 0)
if (e != buf)
e = stpcpy(e, " ");
e = stpcpy(e, "etc-mtab-not-symlink "); e = stpcpy(e, "etc-mtab-not-symlink ");
} else else
free(p); free(p);
t = buf; if (access("/proc/cgroups", F_OK) < 0)
e = stpcpy(e, "cgroups-missing ");
t = strstrip(buf);
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t)) if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
return -ENOMEM; return -ENOMEM;

19
src/main.c
View File

@ -985,12 +985,28 @@ static void test_usr(void) {
/* Check that /usr is not a separate fs */ /* Check that /usr is not a separate fs */
if (dir_is_empty("/usr") > 0) if (dir_is_empty("/usr") <= 0)
return;
log_warning("/usr appears to be on a different file system than /. This is not supported anymore. " log_warning("/usr appears to be on a different file system than /. This is not supported anymore. "
"Some things will probably break (sometimes even silently) in mysterious ways. " "Some things will probably break (sometimes even silently) in mysterious ways. "
"Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information."); "Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information.");
} }
static void test_cgroups(void) {
if (access("/proc/cgroups", F_OK) >= 0)
return;
log_warning("CONFIG_CGROUPS was not set when your kernel was compiled. "
"Systems without control groups are not supported. "
"We will now sleep for 10s, and then continue boot-up. "
"Expect breakage and please do not file bugs. "
"Instead fix your kernel and enable CONFIG_CGROUPS." );
sleep(10);
}
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
Manager *m = NULL; Manager *m = NULL;
int r, retval = EXIT_FAILURE; int r, retval = EXIT_FAILURE;
@ -1171,6 +1187,7 @@ int main(int argc, char *argv[]) {
test_mtab(); test_mtab();
test_usr(); test_usr();
test_cgroups();
} }
if ((r = manager_new(arg_running_as, &m)) < 0) { if ((r = manager_new(arg_running_as, &m)) < 0) {