if (path) {
val = get_uuid_blkdev(path);
- if (!val)
- return 0;
+ if (!val) {
+ struct statfs64 st;
+
+ if (statfs64(path, &st))
+ return 0;
+ if (!st.f_fsid.__val[0] && !st.f_fsid.__val[1])
+ return 0;
+ snprintf(fsid_val, 17, "%08x%08x",
+ st.f_fsid.__val[0], st.f_fsid.__val[1]);
+ val = fsid_val;
+ }
} else {
val = uuid;
}
/* Now determine export point for this fsid/domain */
for (i=0 ; i < MCL_MAXTYPES; i++) {
nfs_export *next_exp;
- for (exp = exportlist[i]; exp; exp = next_exp) {
+ for (exp = exportlist[i].p_head; exp; exp = next_exp) {
struct stat stb;
char u[16];
char *path;
release_replicas(servers);
}
-static void write_secinfo(FILE *f, struct exportent *ep)
+static void write_secinfo(FILE *f, struct exportent *ep, int flag_mask)
{
struct sec_entry *p;
qword_printint(f, p - ep->e_secinfo);
for (p = ep->e_secinfo; p->flav; p++) {
qword_printint(f, p->flav->fnum);
- qword_printint(f, p->flags);
+ qword_printint(f, p->flags & flag_mask);
}
}
qword_printint(f, time(0)+30*60);
if (exp) {
int different_fs = strcmp(path, exp->e_path) != 0;
-
- if (different_fs)
- qword_printint(f, exp->e_flags & ~NFSEXP_FSID);
- else
- qword_printint(f, exp->e_flags);
+ int flag_mask = different_fs ? ~NFSEXP_FSID : ~0;
+
+ qword_printint(f, exp->e_flags & flag_mask);
qword_printint(f, exp->e_anonuid);
qword_printint(f, exp->e_anongid);
qword_printint(f, exp->e_fsid);
write_fsloc(f, exp, path);
- write_secinfo(f, exp);
+ write_secinfo(f, exp, flag_mask);
if (exp->e_uuid == NULL || different_fs) {
char u[16];
if (get_uuid(path, NULL, 16, u)) {
return qword_eol(f);
}
-void nfsd_export(FILE *f)
+static int is_subdirectory(char *subpath, char *path)
{
- /* requests are:
- * domain path
- * determine export options and return:
- * domain path expiry flags anonuid anongid fsid
- */
-
- char *cp;
- int i;
- char *dom, *path;
- nfs_export *exp, *found = NULL;
- int found_type = 0;
- struct in_addr addr;
- struct hostent *he = NULL;
-
-
- if (readline(fileno(f), &lbuf, &lbuflen) != 1)
- return;
+ int l = strlen(path);
- xlog(D_CALL, "nfsd_export: inbuf '%s'", lbuf);
+ return strcmp(subpath, path) == 0
+ || (strncmp(subpath, path, l) == 0 && path[l] == '/');
+}
- cp = lbuf;
- dom = malloc(strlen(cp));
- path = malloc(strlen(cp));
+static int path_matches(nfs_export *exp, char *path)
+{
+ if (exp->m_export.e_flags & NFSEXP_CROSSMOUNT)
+ return is_subdirectory(path, exp->m_export.e_path);
+ return strcmp(path, exp->m_export.e_path) == 0;
+}
- if (!dom || !path)
- goto out;
+static int client_matches(nfs_export *exp, char *dom, struct hostent *he)
+{
+ if (use_ipaddr)
+ return client_check(exp->m_client, he);
+ return client_member(dom, exp->m_client->m_hostname);
+}
- if (qword_get(&cp, dom, strlen(lbuf)) <= 0)
- goto out;
- if (qword_get(&cp, path, strlen(lbuf)) <= 0)
- goto out;
+static int export_matches(nfs_export *exp, char *dom, char *path, struct hostent *he)
+{
+ return path_matches(exp, path) && client_matches(exp, dom, he);
+}
- auth_reload();
+static nfs_export *lookup_export(char *dom, char *path, struct hostent *he)
+{
+ nfs_export *exp;
+ nfs_export *found = NULL;
+ int found_type = 0;
+ int i;
- /* now find flags for this export point in this domain */
for (i=0 ; i < MCL_MAXTYPES; i++) {
- for (exp = exportlist[i]; exp; exp = exp->m_next) {
- if (!use_ipaddr && !client_member(dom, exp->m_client->m_hostname))
+ for (exp = exportlist[i].p_head; exp; exp = exp->m_next) {
+ if (!export_matches(exp, dom, path, he))
continue;
- if (exp->m_export.e_flags & NFSEXP_CROSSMOUNT) {
- /* if path is a mountpoint below e_path, then OK */
- int l = strlen(exp->m_export.e_path);
- if (strcmp(path, exp->m_export.e_path) == 0 ||
- (strncmp(path, exp->m_export.e_path, l) == 0 &&
- path[l] == '/' &&
- is_mountpoint(path)))
- /* ok */;
- else
- continue;
- } else if (strcmp(path, exp->m_export.e_path) != 0)
- continue;
- if (use_ipaddr) {
- if (he == NULL) {
- if (!inet_aton(dom, &addr))
- goto out;
- he = client_resolve(addr);
- }
- if (!client_check(exp->m_client, he))
- continue;
- }
if (!found) {
found = exp;
found_type = i;
}
}
}
+ return found;
+}
+
+void nfsd_export(FILE *f)
+{
+ /* requests are:
+ * domain path
+ * determine export options and return:
+ * domain path expiry flags anonuid anongid fsid
+ */
+
+ char *cp;
+ char *dom, *path;
+ nfs_export *found = NULL;
+ struct in_addr addr;
+ struct hostent *he = NULL;
+
+
+ if (readline(fileno(f), &lbuf, &lbuflen) != 1)
+ return;
+
+ xlog(D_CALL, "nfsd_export: inbuf '%s'", lbuf);
+
+ cp = lbuf;
+ dom = malloc(strlen(cp));
+ path = malloc(strlen(cp));
+
+ if (!dom || !path)
+ goto out;
+
+ if (qword_get(&cp, dom, strlen(lbuf)) <= 0)
+ goto out;
+ if (qword_get(&cp, path, strlen(lbuf)) <= 0)
+ goto out;
+
+ auth_reload();
+
+ if (use_ipaddr) {
+ if (!inet_aton(dom, &addr))
+ goto out;
+ he = client_resolve(addr);
+ }
+
+ found = lookup_export(dom, path, he);
if (found) {
if (dump_to_cache(f, dom, path, &found->m_export) < 0) {
projects / nfs-utils.git / blobdiff