(w) = p; \
} while (0)
-#define IC_IDNAME 1
-#define IC_NAMEID 2
+#define IC_IDNAME 0
+#define IC_IDNAME_CHAN NFSD_DIR "/nfs4.idtoname/channel"
+#define IC_IDNAME_FLUSH NFSD_DIR "/nfs4.idtoname/flush"
+
+#define IC_NAMEID 1
+#define IC_NAMEID_CHAN NFSD_DIR "/nfs4.nametoid/channel"
+#define IC_NAMEID_FLUSH NFSD_DIR "/nfs4.nametoid/flush"
+
struct idmap_client {
- int ic_fd;
- int ic_dirfd;
+ short ic_which;
char ic_clid[30];
+ char *ic_id;
char ic_path[PATH_MAX];
+ int ic_fd;
+ int ic_dirfd;
int ic_scanned;
struct event ic_event;
- char *ic_id;
- short ic_which;
TAILQ_ENTRY(idmap_client) ic_next;
};
+static struct idmap_client nfsd_ic[2] = {
+{IC_IDNAME, "Server", "", IC_IDNAME_CHAN, -1, -1, 0},
+{IC_NAMEID, "Server", "", IC_NAMEID_CHAN, -1, -1, 0},
+};
TAILQ_HEAD(idmap_clientq, idmap_client);
static void nametoidres(struct idmap_msg *);
static int nfsdopen(char *);
-static int nfsdopenone(struct idmap_client *, short, char *);
+static int nfsdopenone(struct idmap_client *);
static void nfsdreopen(void);
size_t strlcat(char *, const char *, size_t);
static char *nobodyuser, *nobodygroup;
static uid_t nobodyuid;
static gid_t nobodygid;
-static struct idmap_client nfsd_ic[2];
/* Used by cfg.c */
char *conf_path;
+static int
+flush_nfsd_cache(char *path, time_t now)
+{
+ int fd;
+ char stime[20];
+
+ sprintf(stime, "%ld\n", now);
+ fd = open(path, O_RDWR);
+ if (fd == -1)
+ return -1;
+ write(fd, stime, strlen(stime));
+ close(fd);
+ return 0;
+}
+
+static int
+flush_nfsd_idmap_cache(void)
+{
+ time_t now = time(NULL);
+ int ret;
+
+ ret = flush_nfsd_cache(IC_IDNAME_FLUSH, now);
+ if (ret)
+ return ret;
+ ret = flush_nfsd_cache(IC_NAMEID_FLUSH, now);
+ return ret;
+}
+
int
main(int argc, char **argv)
{
struct stat sb;
char *xpipefsdir = NULL;
int serverstart = 1, clientstart = 1;
+ int ret;
conf_path = _PATH_IDMAPDCONF;
nobodyuser = NFS4NOBODY_USER;
event_init();
- if (serverstart)
+ if (serverstart) {
nfsdret = nfsdopen(NFSD_DIR);
+ if (nfsdret == 0) {
+ ret = flush_nfsd_idmap_cache();
+ if (ret)
+ errx(1, "Failed to flush nfsd idmap cache\n");
+ }
+ }
if (clientstart) {
struct timeval now = {
if (verbose > 0)
warnx("ReOpening %s", ic->ic_path);
+
if ((fd = open(ic->ic_path, O_RDWR, 0)) != -1) {
if (ic->ic_fd != -1)
close(ic->ic_fd);
+ if ((ic->ic_event.ev_flags & EVLIST_INIT))
+ event_del(&ic->ic_event);
+
ic->ic_event.ev_fd = ic->ic_fd = fd;
- if ((ic->ic_event.ev_flags & EVLIST_INIT) == 0) {
- event_set(&ic->ic_event, ic->ic_fd, EV_READ, nfsdcb, ic);
- event_add(&ic->ic_event, NULL);
- }
+ event_set(&ic->ic_event, ic->ic_fd, EV_READ, nfsdcb, ic);
+ event_add(&ic->ic_event, NULL);
} else {
warnx("nfsdreopen: Opening '%s' failed: errno %d (%s)",
ic->ic_path, errno, strerror(errno));
}
}
-/*
- * Note: nfsdreopen assumes nfsdopen has already been called
- */
static void
nfsdreopen()
{
static int
nfsdopen(char *path)
{
- return ((nfsdopenone(&nfsd_ic[0], IC_NAMEID, path) == 0 &&
- nfsdopenone(&nfsd_ic[1], IC_IDNAME, path) == 0) ? 0 : -1);
+ return ((nfsdopenone(&nfsd_ic[IC_NAMEID]) == 0 &&
+ nfsdopenone(&nfsd_ic[IC_IDNAME]) == 0) ? 0 : -1);
}
static int
-nfsdopenone(struct idmap_client *ic, short which, char *path)
+nfsdopenone(struct idmap_client *ic)
{
- char *whichstr;
-
- whichstr = which == IC_IDNAME ? "idtoname" : "nametoid";
- snprintf(ic->ic_path, sizeof(ic->ic_path),
- "%s/nfs4.%s/channel", path, whichstr);
if ((ic->ic_fd = open(ic->ic_path, O_RDWR, 0)) == -1) {
if (verbose > 0)
warnx("Opening %s failed: errno %d (%s)",
event_set(&ic->ic_event, ic->ic_fd, EV_READ, nfsdcb, ic);
event_add(&ic->ic_event, NULL);
- ic->ic_which = which;
- ic->ic_id = "Server";
- strlcpy(ic->ic_clid, "Server", strlen("Server"));
-
if (verbose > 0)
warnx("Opened %s", ic->ic_path);
sizeof(im->im_name));
break;
}
- /* XXX Hack? would rather return failure instead of writing nobody
- * as above, but kernel seems not to deal well with that as of
- * 2.6.8-rc3. */
+ /* XXX Hack? */
im->im_status = IDMAP_STATUS_SUCCESS;
}
{
int ret = 0;
+ /* XXX: nobody fallbacks shouldn't always happen:
+ * server id -> name should be OK
+ * client name -> id should be OK
+ * but not otherwise */
+ /* XXX: move nobody stuff to library calls
+ * (nfs4_get_nobody_user(domain), nfs4_get_nobody_group(domain)) */
+ /* XXX: should make this call higher up in the call chain (so we'd
+ * have a chance on looking up server/whatever. */
switch (im->im_type) {
case IDMAP_TYPE_USER:
ret = nfs4_name_to_uid(im->im_name, &im->im_id);
im->im_id = nobodygid;
break;
}
- /* XXX Hack? would rather return failure instead of writing nobody
- * as above, but kernel seems not to deal well with that as of
- * 2.6.8-rc3. */
+ /* XXX? */
im->im_status = IDMAP_STATUS_SUCCESS;
}
void
mydaemon(int nochdir, int noclose)
{
- int pid, status, tempfd, fdmax, filedes;
+ int pid, status, tempfd;
if (pipe(pipefds) < 0)
err(1, "mydaemon: pipe() failed: errno %d (%s)\n", errno, strerror(errno));
if (noclose == 0) {
tempfd = open("/dev/null", O_RDWR);
- close(0); dup2(tempfd, 0);
- close(1); dup2(tempfd, 1);
- close(2); dup2(tempfd, 2);
- fdmax = sysconf (_SC_OPEN_MAX);
- for (filedes = 3; filedes < fdmax; filedes++)
- if (filedes != pipefds[1])
- close (filedes);
+ dup2(tempfd, 0);
+ dup2(tempfd, 1);
+ dup2(tempfd, 2);
+ closeall(3);
}
return;
projects / nfs-utils.git / blobdiff