static void export_init(nfs_export *exp, nfs_client *clp,
struct exportent *nep);
-static int export_check(nfs_export *, struct hostent *, char *);
+static int export_check(const nfs_export *exp, const struct addrinfo *ai,
+ const char *path);
static nfs_export *
- export_allowed_internal(struct hostent *hp, char *path);
+ export_allowed_internal(const struct addrinfo *ai,
+ const char *path);
+
+static void
+export_free(nfs_export *exp)
+{
+ xfree(exp->m_export.e_squids);
+ xfree(exp->m_export.e_sqgids);
+ free(exp->m_export.e_mountpoint);
+ free(exp->m_export.e_fslocdata);
+
+ xfree(exp->m_export.e_hostname);
+ xfree(exp);
+}
+
+static void warn_duplicated_exports(nfs_export *exp, struct exportent *eep)
+{
+ if (exp->m_export.e_flags != eep->e_flags) {
+ xlog(L_ERROR, "incompatible duplicated export entries:");
+ xlog(L_ERROR, "\t%s:%s (0x%x) [IGNORED]", eep->e_hostname,
+ eep->e_path, eep->e_flags);
+ xlog(L_ERROR, "\t%s:%s (0x%x)", exp->m_export.e_hostname,
+ exp->m_export.e_path, exp->m_export.e_flags);
+ } else {
+ xlog(L_ERROR, "duplicated export entries:");
+ xlog(L_ERROR, "\t%s:%s", eep->e_hostname, eep->e_path);
+ xlog(L_ERROR, "\t%s:%s", exp->m_export.e_hostname,
+ exp->m_export.e_path);
+ }
+}
int
export_read(char *fname)
setexportent(fname, "r");
while ((eep = getexportent(0,1)) != NULL) {
- exp = export_lookup(eep->e_hostname, eep->e_path, 0);
- if (!exp)
- export_create(eep,0);
- else {
- if (exp->m_export.e_flags != eep->e_flags) {
- xlog(L_ERROR, "incompatible duplicated export entries:");
- xlog(L_ERROR, "\t%s:%s (0x%x) [IGNORED]", eep->e_hostname,
- eep->e_path, eep->e_flags);
- xlog(L_ERROR, "\t%s:%s (0x%x)", exp->m_export.e_hostname,
- exp->m_export.e_path, exp->m_export.e_flags);
- }
- else {
- xlog(L_ERROR, "duplicated export entries:");
- xlog(L_ERROR, "\t%s:%s", eep->e_hostname, eep->e_path);
- xlog(L_ERROR, "\t%s:%s", exp->m_export.e_hostname,
- exp->m_export.e_path);
- }
- }
+ exp = export_lookup(eep->e_hostname, eep->e_path, 0);
+ if (!exp)
+ export_create(eep, 0);
+ else
+ warn_duplicated_exports(exp, eep);
}
endexportent();
-
return 0;
}
* original hostname from /etc/exports, while the in-core client struct
* gets the newly found FQDN.
*/
-nfs_export *
-export_dup(nfs_export *exp, struct hostent *hp)
+static nfs_export *
+export_dup(nfs_export *exp, const struct addrinfo *ai)
{
nfs_export *new;
nfs_client *clp;
dupexportent(&new->m_export, &exp->m_export);
if (exp->m_export.e_hostname)
new->m_export.e_hostname = xstrdup(exp->m_export.e_hostname);
- clp = client_dup(exp->m_client, hp);
+ clp = client_dup(exp->m_client, ai);
+ if (clp == NULL) {
+ export_free(new);
+ return NULL;
+ }
clp->m_count++;
new->m_client = clp;
new->m_mayexport = exp->m_mayexport;
return new;
}
+
/*
* Add export entry to hash table
*/
}
}
+/**
+ * export_find - find or create a suitable nfs_export for @ai and @path
+ * @ai: pointer to addrinfo for client
+ * @path: '\0'-terminated ASCII string containing export path
+ *
+ * Returns a pointer to nfs_export data matching @ai and @path,
+ * or NULL if an error occurs.
+ */
nfs_export *
-export_find(struct hostent *hp, char *path)
+export_find(const struct addrinfo *ai, const char *path)
{
nfs_export *exp;
int i;
for (i = 0; i < MCL_MAXTYPES; i++) {
for (exp = exportlist[i].p_head; exp; exp = exp->m_next) {
- if (!export_check(exp, hp, path))
+ if (!export_check(exp, ai, path))
continue;
if (exp->m_client->m_type == MCL_FQDN)
return exp;
- return export_dup(exp, hp);
+ return export_dup(exp, ai);
}
}
}
static nfs_export *
-export_allowed_internal (struct hostent *hp, char *path)
+export_allowed_internal(const struct addrinfo *ai, const char *path)
{
nfs_export *exp;
int i;
for (i = 0; i < MCL_MAXTYPES; i++) {
for (exp = exportlist[i].p_head; exp; exp = exp->m_next) {
if (!exp->m_mayexport ||
- !export_check(exp, hp, path))
+ !export_check(exp, ai, path))
continue;
return exp;
}
return NULL;
}
+/**
+ * export_allowed - determine if this export is allowed
+ * @ai: pointer to addrinfo for client
+ * @path: '\0'-terminated ASCII string containing export path
+ *
+ * Returns a pointer to nfs_export data matching @ai and @path,
+ * or NULL if the export is not allowed.
+ */
nfs_export *
-export_allowed(struct hostent *hp, char *path)
+export_allowed(const struct addrinfo *ai, const char *path)
{
nfs_export *exp;
char epath[MAXPATHLEN+1];
/* Try the longest matching exported pathname. */
while (1) {
- exp = export_allowed_internal (hp, epath);
+ exp = export_allowed_internal(ai, epath);
if (exp)
return exp;
/* We have to treat the root, "/", specially. */
}
static int
-export_check(nfs_export *exp, struct hostent *hp, char *path)
+export_check(const nfs_export *exp, const struct addrinfo *ai, const char *path)
{
if (strcmp(path, exp->m_export.e_path))
return 0;
- return client_check(exp->m_client, hp);
+ return client_check(exp->m_client, ai);
}
+/**
+ * export_freeall - deallocate all nfs_export records
+ *
+ */
void
export_freeall(void)
{
for (exp = exportlist[i].p_head; exp; exp = nxt) {
nxt = exp->m_next;
client_release(exp->m_client);
- if (exp->m_export.e_squids)
- xfree(exp->m_export.e_squids);
- if (exp->m_export.e_sqgids)
- xfree(exp->m_export.e_sqgids);
- if (exp->m_export.e_mountpoint)
- free(exp->m_export.e_mountpoint);
- if (exp->m_export.e_fslocdata)
- xfree(exp->m_export.e_fslocdata);
- xfree(exp->m_export.e_hostname);
- xfree(exp);
+ export_free(exp);
+ }
+ for (j = 0; j < HASH_TABLE_SIZE; j++) {
+ exportlist[i].entries[j].p_first = NULL;
+ exportlist[i].entries[j].p_last = NULL;
}
- for(j = 0; j < HASH_TABLE_SIZE; j++) {
- exportlist[i].entries[j].p_first = NULL;
- exportlist[i].entries[j].p_last = NULL;
- }
- exportlist[i].p_head = NULL;
+ exportlist[i].p_head = NULL;
}
client_freeall();
}