libpassword: Add unit tests

diff --git a/src/auth/Makefile.am b/src/auth/Makefile.am
index f13d1d5c378c143faeec6c33c2dbce09ad85d90a..9f6146fd7ff528504f23233ff3c469b30ddaf332 100644 (file)
--- a/src/auth/Makefile.am
+++ b/src/auth/Makefile.am
@@ -227,6 +227,7 @@ libstats_auth_la_DEPENDENCIES = $(LIBDOVECOT_DEPS)
 libstats_auth_la_SOURCES = auth-stats.c
 
 test_programs = \
+       test-libpassword \
        test-auth-cache \
        test-auth
 
@@ -237,6 +238,20 @@ noinst_HEADERS = test-auth.h crypt-blowfish.h
 test_libs = \
        ../lib-dovecot/libdovecot.la
 
+test_libpassword_SOURCES = test-libpassword.c
+test_libpassword_LDADD = \
+       libpassword.la \
+       ../lib-ntlm/libntlm.la \
+        ../lib-otp/libotp.la \
+       $(CRYPT_LIBS) \
+       $(LIBDOVECOT_SQL) \
+       $(LIBSODIUM_LIBS) \
+       $(test_libs) \
+       $(BINARY_LDFLAGS)
+
+test_libpassword_DEPENDENCIES = libpassword.la
+test_libpassword_CPPFLAGS = $(AM_CPPFLAGS) $(BINARY_CFLAGS)
+
 test_auth_cache_SOURCES = auth-cache.c test-auth-cache.c
 test_auth_cache_LDADD = $(test_libs)
 test_auth_cache_DEPENDENCIES = $(pkglibexec_PROGRAMS) $(test_libs)

diff --git a/src/auth/test-libpassword.c b/src/auth/test-libpassword.c
new file mode 100644 (file)
index 0000000..b004334
--- /dev/null
+++ b/src/auth/test-libpassword.c
@@ -0,0 +1,128 @@
+#include "test-lib.h"
+#include "password-scheme.h"
+
+static struct {
+       const char *scheme_generated;
+       const char *scheme_detected;
+} known_non_aliases[] = {
+       { "MD5", "CRYPT" },
+       { "MD5-CRYPT", "CRYPT" },
+       { "SKEY", "OTP" },
+};
+
+/* some algorithms are detected as something other, because they are compatible
+   but not considered aliases by dovecot. treat those here to avoid false errors. */
+static bool schemes_are_known_non_alias(const char *generated, const char *detected)
+{
+       for(size_t i = 0; i < N_ELEMENTS(known_non_aliases); i++) {
+               if (strcmp(known_non_aliases[i].scheme_generated, generated) == 0 &&
+                   strcmp(known_non_aliases[i].scheme_detected, detected) == 0)
+                       return TRUE;
+       }
+       return FALSE;
+}
+
+static void
+test_password_scheme(const char *scheme, const char *crypted,
+                    const char *plaintext)
+{
+       struct password_generate_params params = {
+               .user = "testuser1",
+               .rounds = 0,
+       };
+       const unsigned char *raw_password;
+       size_t siz;
+       const char *error, *scheme2;
+
+       test_begin(t_strdup_printf("password scheme(%s)", scheme));
+
+       test_assert(strcmp(password_get_scheme(&crypted), scheme) == 0);
+       test_assert(password_decode(crypted, scheme, &raw_password, &siz, &error) == 1);
+       test_assert(password_verify(plaintext, &params, scheme, raw_password, siz, &error) == 1);
+
+       test_assert(password_generate_encoded(plaintext, &params, scheme, &crypted));
+       crypted = t_strdup_printf("{%s}%s", scheme, crypted);
+       test_assert(strcmp(password_get_scheme(&crypted), scheme) == 0);
+       test_assert(password_decode(crypted, scheme, &raw_password, &siz, &error) == 1);
+       test_assert(password_verify(plaintext, &params, scheme, raw_password, siz, &error) == 1);
+
+       scheme2 = password_scheme_detect(plaintext, crypted, &params);
+
+       test_assert(scheme2 != NULL &&
+                   (password_scheme_is_alias(scheme, scheme2) ||
+                    schemes_are_known_non_alias(scheme, scheme2)));
+
+       test_end();
+}
+
+static void test_password_failures(void)
+{
+       const char *scheme = "PLAIN";
+       const char *crypted = "{PLAIN}invalid";
+       const char *plaintext = "test";
+
+       struct password_generate_params params = {
+               .user = "testuser1",
+               .rounds = 0,
+       };
+       const unsigned char *raw_password;
+       size_t siz;
+       const char *error;
+
+       test_begin("password scheme failures");
+
+       /* wrong password */
+       test_assert(strcmp(password_get_scheme(&crypted), scheme) == 0);
+       test_assert(password_decode(crypted, scheme, &raw_password, &siz, &error) == 1);
+       test_assert(password_verify(plaintext, &params, scheme, raw_password, siz, &error) == 0);
+
+       /* unknown scheme */
+       crypted = "{INVALID}invalid";
+       scheme = password_get_scheme(&crypted);
+       test_assert(password_decode(crypted, scheme, &raw_password, &siz, &error) == 0);
+
+       /* crypt with empty value */
+       test_assert(password_verify(plaintext, &params, "CRYPT", NULL, 0, &error) == 0);
+
+       test_end();
+}
+
+static void test_password_schemes(void)
+{
+       test_password_scheme("PLAIN", "{PLAIN}test", "test");
+       test_password_scheme("CRYPT", "{CRYPT}//EsnG9FLTKjo", "test");
+       test_password_scheme("PLAIN-MD4", "{PLAIN-MD4}db346d691d7acc4dc2625db19f9e3f52", "test");
+       test_password_scheme("MD5", "{MD5}$1$wmyrgRuV$kImF6.9MAFQNHe23kq5vI/", "test");
+       test_password_scheme("SHA1", "{SHA1}qUqP5cyxm6YcTAhz05Hph5gvu9M=", "test");
+       test_password_scheme("LANMAN", "{LANMAN}01fc5a6be7bc6929aad3b435b51404ee", "test");
+       test_password_scheme("NTLM", "{NTLM}0cb6948805f797bf2a82807973b89537", "test");
+       test_password_scheme("SMD5", "{SMD5}JTu1KRwptKZJg/RLd+6Vn5GUd0M=", "test");
+       test_password_scheme("LDAP-MD5", "{LDAP-MD5}CY9rzUYh03PK3k6DJie09g==", "test");
+       test_password_scheme("SHA256", "{SHA256}n4bQgYhMfWWaL+qgxVrQFaO/TxsrC4Is0V1sFbDwCgg=", "test");
+       test_password_scheme("SHA512", "{SHA512}7iaw3Ur350mqGo7jwQrpkj9hiYB3Lkc/iBml1JQODbJ6wYX4oOHV+E+IvIh/1nsUNzLDBMxfqa2Ob1f1ACio/w==", "test");
+       test_password_scheme("SSHA", "{SSHA}H/zrDv8FXUu1JmwvVYijfrYEF34jVZcO", "test");
+       test_password_scheme("MD5-CRYPT", "{MD5-CRYPT}$1$GgvxyNz8$OjZhLh4P.gF1lxYEbLZ3e/", "test");
+       test_password_scheme("OTP", "{OTP}sha1 1024 ae6b49aa481f7233 f69fc7f98b8fbf54", "test");
+       test_password_scheme("PBKDF2", "{PBKDF2}$1$bUnT4Pl7yFtYX0KU$5000$50a83cafdc517b9f46519415e53c6a858908680a", "test");
+       test_password_scheme("RPA", "{RPA}f89cb77d46507afe985d80822b6b6c39", "test");
+       test_password_scheme("SKEY", "{SKEY}md4 1024 ce20d20fae368ff2 689aea1b24ed6438", "test");
+       test_password_scheme("CRAM-MD5", "{CRAM-MD5}e02d374fde0dc75a17a557039a3a5338c7743304777dccd376f332bee68d2cf6", "test");
+       test_password_scheme("DIGEST-MD5", "{DIGEST-MD5}77c1a8c437c9b08ba2f460fe5d58db5d", "test");
+       test_password_scheme("SCRAM-SHA-1", "{SCRAM-SHA-1}4096,GetyLXdBuHzf1FWf8SLz2Q==,NA/OqmF4hhrsrB9KR7po+dliTGM=,QBiURvQaE6H6qYTmeghDHLANBFQ=", "test");
+       test_password_scheme("BLF-CRYPT", "{BLF-CRYPT}$2y$05$11ipvo5dR6CwkzwmhwM26OXgzXwhV2PyPuLV.Qi31ILcRcThQpEiW", "test");
+#ifdef HAVE_LIBSODIUM
+       test_password_scheme("ARGON2", "{ARGON2}$argon2i$v=19$m=32768,t=4,p=1$f2iuP4aUeNMrgu34fhOkkg$1XSZZMWlIs0zmE+snlUIcLADO3GXbA2O/hsQmmc317k", "test");
+#endif
+}
+
+
+int main(void)
+{
+       static void (*const test_functions[])(void) = {
+               test_password_schemes,
+               test_password_failures,
+               NULL
+       };
+       password_schemes_init();
+       return test_run(test_functions);
+}