telnet: new addon

[people/teissler/ipfire-2.x.git] / src / patches / netkit-telnet-0.17-nodns.patch

diff --git a/src/patches/netkit-telnet-0.17-nodns.patch b/src/patches/netkit-telnet-0.17-nodns.patch
new file mode 100644 (file)
index 0000000..1dba79b
--- /dev/null
+++ b/src/patches/netkit-telnet-0.17-nodns.patch
@@ -0,0 +1,43 @@
+--- netkit-telnet-0.17.orig/telnetd/telnetd.c  2007-03-13 16:31:20.000000000 +0000
++++ netkit-telnet-0.17.orig/telnetd/telnetd.c  2007-03-13 16:31:26.000000000 +0000
+@@ -653,6 +653,11 @@ doit(struct sockaddr *who, socklen_t who
+ 
+       error = getnameinfo(who, wholen, namebuf, sizeof(namebuf), NULL, 0, 0);
+       
++      /* if we can't get a hostname now, settle for an address */     
++      if(error == EAI_AGAIN)
++              error = getnameinfo(who, wholen, namebuf, sizeof(namebuf),
++                              NULL, 0, NI_NUMERICHOST);
++              
+       if (error) {
+               perror("getnameinfo: localhost");
+               perror(gai_strerror(error));
+@@ -681,7 +686,7 @@ doit(struct sockaddr *who, socklen_t who
+       /* Get local host name */
+       {
+               struct addrinfo hints;
+-              struct addrinfo *res;
++              struct addrinfo *res = 0;
+               int e;
+ 
+               memset(&hints, '\0', sizeof(hints));
+@@ -690,11 +695,14 @@ doit(struct sockaddr *who, socklen_t who
+ 
+               gethostname(host_name, sizeof(host_name));
+               if ((e = getaddrinfo(host_name, NULL, &hints, &res)) != 0) {
+-                      perror("getaddrinfo: localhost");
+-                      perror(gai_strerror(e));
+-                      exit(1);
++                      if(e != EAI_AGAIN) {
++                              fprintf(stderr, "getaddrinfo: localhost %s\n", 
++                                      gai_strerror(e));
++                              exit(1);
++                      }
+               }
+-              freeaddrinfo(res);
++              if(res)
++                      freeaddrinfo(res);
+       }
+ 
+ #if   defined(AUTHENTICATE) || defined(ENCRYPT)
+