release/src/router/vsftpd/tcpwrap.c

   1 /*
   2  * Part of Very Secure FTPd
   3  * Licence: GPL v2
   4  * Author: Chris Evans
   5  * tcpwrap.c
   6  *
   7  * Routines to encapsulate the usage of tcp_wrappers.
   8  */
   9
  10 #include "tcpwrap.h"
  11 #include "builddefs.h"
  12 #include "utility.h"
  13
  14 #ifdef VSF_BUILD_TCPWRAPPERS
  15   #include <tcpd.h>
  16 #endif
  17
  18 #ifdef VSF_BUILD_TCPWRAPPERS
  19
  20 #include <sys/syslog.h>
  21
  22 int deny_severity = LOG_WARNING;
  23 int allow_severity = LOG_INFO;
  24
  25 int
  26 vsf_tcp_wrapper_ok(int remote_fd)
  27 {
  28   struct request_info req;
  29   request_init(&req, RQ_DAEMON, "vsftpd", RQ_FILE, remote_fd, 0);
  30   fromhost(&req);
  31   if (!hosts_access(&req))
  32   {
  33     return 0;
  34   }
  35   return 1;
  36 }
  37
  38 #else /* VSF_BUILD_TCPWRAPPERS */
  39
  40 int
  41 vsf_tcp_wrapper_ok(int remote_fd)
  42 {
  43   (void) remote_fd;
  44   die("tcp_wrappers is set to YES but no tcp wrapper support compiled in");
  45   return 0;
  46 }
  47
  48 #endif /* VSF_BUILD_TCPWRAPPERS */
  49