From a69c5d87d61b9db9e90952a7cd3fc1a4899ad988 Mon Sep 17 00:00:00 2001
From: "Nicholas.Ni" <boynicholas.ni@gmail.com>
Date: Fri, 2 Jul 2021 09:34:25 +0800
Subject: [PATCH] fix hydra telnet in some terminals, login failure will be
 accompanied by %, for example:% Authenticate failed

---
 hydra-http.c   |  9 ++++++---
 hydra-telnet.c | 14 ++++++++------
 2 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/hydra-http.c b/hydra-http.c
index f2b27e6..933cb14 100644
--- a/hydra-http.c
+++ b/hydra-http.c
@@ -504,7 +504,10 @@ int32_t service_http_init(char *ip, int32_t sp, unsigned char options, char *mis
       }
 
       match_status_code = atoi(status_code);
-      free(status_code);
+      
+      if (debug) {
+        hydra_report(stdout, "Find match reply status code: %d", match_status_code);
+      }
     }
   }
   return 0;
@@ -517,8 +520,8 @@ void usage_http(const char *service) {
          "NTLM or MD5\n"
          " (h|H)=My-Hdr\\: foo   to send a user defined HTTP header with each "
          "request\n"
-         " (c|C)=check for status code in the HTTP reply. If the reply status "
-         " code matches it, it is judged as successful \n"
+         " (c|C)=check for status code in the HTTP reply. If the reply status code\n"
+         "       matches it, it is judged as successful \n"
          " (F|S)=check for text in the HTTP reply. S= means if this text is "
          "found, a\n"
          "       valid account has been found, F= means if this string is "
diff --git a/hydra-telnet.c b/hydra-telnet.c
index 39908f9..de6f541 100644
--- a/hydra-telnet.c
+++ b/hydra-telnet.c
@@ -37,12 +37,14 @@ int32_t start_telnet(int32_t s, char *ip, int32_t port, unsigned char options, c
       return 1;
 
     if (strchr(buf, '/') != NULL || strchr(buf, '>') != NULL || strchr(buf, '%') != NULL || strchr(buf, '$') != NULL || strchr(buf, '#') != NULL) {
-      hydra_report_found_host(port, ip, "telnet", fp);
-      hydra_completed_pair_found();
-      free(buf);
-      if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
-        return 3;
-      return 1;
+      if (strstr(buf, "ailed") == NULL) {
+        hydra_report_found_host(port, ip, "telnet", fp);
+        hydra_completed_pair_found();
+        free(buf);
+        if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
+          return 3;
+        return 1;
+      }
     }
     (void)make_to_lower(buf);