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libvirtd: create run dir when running at non-root user 

When libvirtd is running at non-root user, it won't create ${HOME}/.libvirt.

It will show error message:
17:44:16.838: 7035: error : virPidFileAcquirePath:322 : Failed to open pid file

Signed-off-by: Xu He Jie <xuhj@linux.vnet.ibm.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Xu He Jie 2011-08-29 10:52:23 +08:00 committed by Eric Blake
parent f0fe28cb8d
commit bf71201865
2 changed files with 27 additions and 13 deletions
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1
AUTHORS
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@ -192,6 +192,7 @@ Patches have also been contributed by:
Tom Vijlbrief <tom.vijlbrief@xs4all.nl>
Shradha Shah <sshah@solarflare.com>
Steve Hodgson <shodgson@solarflare.com>
Xu He Jie <xuhj@linux.vnet.ibm.com>
[....send patches to get your name here....]

39
daemon/libvirtd.c
View File

@ -1249,6 +1249,8 @@ int main(int argc, char **argv) {
bool privileged = geteuid() == 0 ? true : false;
bool implicit_conf = false;
bool use_polkit_dbus;
char *run_dir = NULL;
mode_t old_umask;
struct option opts[] = {
{ "verbose", no_argument, &verbose, 1},
@ -1403,22 +1405,31 @@ int main(int argc, char **argv) {
/* Ensure the rundir exists (on tmpfs on some systems) */
if (privileged) {
const char *rundir = LOCALSTATEDIR "/run/libvirt";
mode_t old_umask;
run_dir = strdup(LOCALSTATEDIR "/run/libvirt");
} else {
char *user_dir = virGetUserDirectory(geteuid());
old_umask = umask(022);
if (mkdir (rundir, 0755)) {
if (errno != EEXIST) {
char ebuf[1024];
VIR_ERROR(_("unable to create rundir %s: %s"), rundir,
virStrerror(errno, ebuf, sizeof(ebuf)));
ret = VIR_DAEMON_ERR_RUNDIR;
umask(old_umask);
goto cleanup;
}
if (!user_dir) {
VIR_ERROR(_("Can't determine user directory"));
goto cleanup;
}
umask(old_umask);
ignore_value(virAsprintf(&run_dir, "%s/.libvirt/", user_dir));
VIR_FREE(user_dir);
}
if (!run_dir) {
virReportOOMError();
goto cleanup;
}
old_umask = umask(022);
if (virFileMakePath(run_dir) < 0) {
char ebuf[1024];
VIR_ERROR(_("unable to create rundir %s: %s"), run_dir,
virStrerror(errno, ebuf, sizeof(ebuf)));
ret = VIR_DAEMON_ERR_RUNDIR;
goto cleanup;
}
umask(old_umask);
/* Try to claim the pidfile, exiting if we can't */
if ((pid_file_fd = virPidFileAcquirePath(pid_file, getpid())) < 0) {
@ -1571,6 +1582,8 @@ cleanup:
VIR_FREE(sock_file_ro);
VIR_FREE(pid_file);
VIR_FREE(remote_config_file);
VIR_FREE(run_dir);
daemonConfigFree(config);
virLogShutdown();