Move CheckPassword to helperfuncs.

1 files changed, 20 insertions, 0 deletions

diff --git a/src/helperfuncs.cpp b/src/helperfuncs.cpp
index ba61d1b0d..4de955464 100644
--- a/src/helperfuncs.cpp
+++ b/src/helperfuncs.cpp
@@ -37,6 +37,26 @@
 #include "duration.h"
 #include "xline.h"
 
+bool InspIRCd::CheckPassword(const std::string& password, const std::string& passwordhash, const std::string& value)
+{
+	ModResult res;
+	FIRST_MOD_RESULT(OnCheckPassword, res, (password, passwordhash, value));
+
+	if (res == MOD_RES_ALLOW)
+		return true; // Password explicitly valid.
+
+	if (res == MOD_RES_DENY)
+		return false; // Password explicitly invalid.
+
+	// The hash algorithm wasn't recognised by any modules. If its plain
+	// text then we can check it internally.
+	if (passwordhash.empty() || stdalgo::string::equalsci(passwordhash, "plaintext"))
+		return TimingSafeCompare(password, value);
+
+	// The password was invalid.
+	return false;
+}
+
 bool InspIRCd::IsValidMask(const std::string& mask)
 {
 	const char* dest = mask.c_str();