X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_password_hash.cpp;h=926ba56323d2c05fbfe6d25638160c4fee92663e;hb=acccaa39641500b8a691db4136e6571102a438ed;hp=0e3afb9661c48ba8ff3edcda44aae3776d3b1e32;hpb=992674362c5f64bdb8e1942eeaa7612524529cd6;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/modules/m_password_hash.cpp b/src/modules/m_password_hash.cpp
index 0e3afb966..926ba5632 100644
--- a/src/modules/m_password_hash.cpp
+++ b/src/modules/m_password_hash.cpp
@@ -34,7 +34,7 @@ class CommandMkpasswd : public Command
 
 	void MakeHash(User* user, const std::string& algo, const std::string& stuff)
 	{
-		if (algo.substr(0,5) == "hmac-")
+		if (!algo.compare(0, 5, "hmac-", 5))
 		{
 			std::string type = algo.substr(5);
 			HashProvider* hp = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + type);
@@ -82,7 +82,7 @@ class ModuleOperHash : public Module
 
 	ModResult OnPassCompare(Extensible* ex, const std::string &data, const std::string &input, const std::string &hashtype) CXX11_OVERRIDE
 	{
-		if (hashtype.substr(0,5) == "hmac-")
+		if (!hashtype.compare(0, 5, "hmac-", 5))
 		{
 			std::string type = hashtype.substr(5);
 			HashProvider* hp = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + type);
@@ -106,15 +106,15 @@ class ModuleOperHash : public Module
 		/* Is this a valid hash name? */
 		if (hp)
 		{
-			/* Compare the hash in the config to the generated hash */
-			if (data == hp->hexsum(input))
+			// Use the timing-safe compare function to compare the hashes
+			if (InspIRCd::TimingSafeCompare(data, hp->hexsum(input)))
 				return MOD_RES_ALLOW;
 			else
 				/* No match, and must be hashed, forbid */
 				return MOD_RES_DENY;
 		}
 
-		/* Not a hash, fall through to strcmp in core */
+		// We don't handle this type, let other mods or the core decide
 		return MOD_RES_PASSTHRU;
 	}