1 files changed, 52 insertions, 0 deletions
diff --git a/phosphor-ldap-config/utils.cpp b/phosphor-ldap-config/utils.cpp
new file mode 100644
index 0000000..7a40a3e
--- /dev/null
+++ b/phosphor-ldap-config/utils.cpp
@@ -0,0 +1,52 @@
+#include "utils.hpp"
+#include <cstring>
+#include <netdb.h>
+#include <arpa/inet.h>
+#include <ldap.h>
+#include <memory>
+
+namespace phosphor
+{
+namespace ldap
+{
+
+bool isValidLDAPURI(const std::string& URI, const char* scheme)
+{
+    LDAPURLDesc* ludpp = nullptr;
+    int res = LDAP_URL_ERR_BADURL;
+    res = ldap_url_parse(URI.c_str(), &ludpp);
+
+    auto ludppCleanupFunc = [](LDAPURLDesc* ludpp) {
+        ldap_free_urldesc(ludpp);
+    };
+    std::unique_ptr<LDAPURLDesc, decltype(ludppCleanupFunc)> ludppPtr(
+        ludpp, ludppCleanupFunc);
+
+    if (res != LDAP_URL_SUCCESS)
+    {
+        return false;
+    }
+    if (std::strcmp(scheme, ludppPtr->lud_scheme) != 0)
+    {
+        return false;
+    }
+    addrinfo hints{};
+    addrinfo* servinfo = nullptr;
+    hints.ai_family = AF_UNSPEC;
+    hints.ai_socktype = SOCK_STREAM;
+    hints.ai_flags |= AI_CANONNAME;
+
+    auto result = getaddrinfo(ludppPtr->lud_host, nullptr, &hints, &servinfo);
+    auto cleanupFunc = [](addrinfo* servinfo) { freeaddrinfo(servinfo); };
+    std::unique_ptr<addrinfo, decltype(cleanupFunc)> servinfoPtr(servinfo,
+                                                                 cleanupFunc);
+
+    if (result)
+    {
+        return false;
+    }
+    return true;
+}
+
+} // namespace ldap
+} // namespace phosphor