Version 0.0

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@387 ec53bebd-3082-4978-b11e-865c3cabbd6b

appl/ftp/ftpd/auth.c

@@ -0,0 +1,131 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/ioctl.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "extern.h"
+#include "krb4.h"
+#include "auth.h"
+
+static struct at auth_types [] = {
+  { "KERBEROS_V4", krb4_auth, krb4_adat, krb4_pbsz, krb4_prot, krb4_ccc, 
+    krb4_mic, krb4_conf, krb4_enc, krb4_userok, krb4_vprintf },
+  { 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+};
+
+struct at *ct;
+
+int data_protection;
+int buffer_size;
+int auth_complete;
+
+
+void auth_init(void)
+{
+}
+
+char *ftp_command;
+int prot_level;
+
+void new_ftp_command(char *command)
+{
+  ftp_command = command;
+}
+
+void delete_ftp_command(void)
+{
+  if(ftp_command){
+    free(ftp_command);
+    ftp_command = NULL;
+  }
+}
+
+void auth(char *auth)
+{
+  for(ct=auth_types; ct->name; ct++){
+    if(!strcmp(auth, ct->name)){
+      ct->auth(auth);
+      return;
+    }
+  }
+  reply(504, "%s is not a known security mechanism", auth);
+}
+
+void adat(char *auth)
+{
+  if(ct)
+    ct->adat(auth);
+  else
+    reply(503, "Error, error");
+}
+
+void pbsz(int size)
+{
+  if(ct)
+    ct->pbsz(size);
+  else
+    reply(503, "Error, error");
+}
+
+void prot(char *pl)
+{
+  if(ct)
+    ct->prot(pl);
+  else
+    reply(503, "Error, error");
+}
+
+void ccc(void)
+{
+  if(ct)
+    ct->ccc();
+  else
+    reply(503, "Error, error");
+}
+
+void mic(char *msg)
+{
+  prot_level = prot_safe;
+  if(ct)
+    ct->mic(msg);
+  else
+    reply(500, "Command unrecognized");
+}
+
+void conf(char *msg)
+{
+  prot_level = prot_confidential;
+  if(ct)
+    ct->conf(msg);
+  else
+    reply(500, "Command unrecognized");
+}
+
+void enc(char *msg)
+{
+  prot_level = prot_private;
+  if(ct)
+    ct->enc(msg);
+  else
+    reply(500, "Command unrecognized");
+}
+
+void auth_vprintf(const char *fmt, va_list ap)
+{
+  if(ct && auth_complete && prot_level){
+    ct->vprintf(fmt, ap);
+  }else
+    vprintf(fmt, ap);
+}
+
+void auth_printf(const char *fmt, ...)
+{
+  va_list ap;
+  va_start(ap, fmt);
+  auth_vprintf(fmt, ap);
+  va_end(ap);
+}