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 #include "sysutil.h"
  14
  15 #ifdef VSF_BUILD_TCPWRAPPERS
  16   #include <tcpd.h>
  17 #endif
  18
  19 #ifdef VSF_BUILD_TCPWRAPPERS
  20
  21 #include <sys/syslog.h>
  22
  23 int deny_severity = LOG_WARNING;
  24 int allow_severity = LOG_INFO;
  25
  26 int
  27 vsf_tcp_wrapper_ok(int remote_fd)
  28 {
  29   struct request_info req;
  30   vsf_sysutil_openlog(0);
  31   request_init(&req, RQ_DAEMON, "vsftpd", RQ_FILE, remote_fd, 0);
  32   fromhost(&req);
  33   if (!hosts_access(&req))
  34   {
  35     vsf_sysutil_closelog();
  36     return 0;
  37   }
  38   vsf_sysutil_closelog();
  39   return 1;
  40 }
  41
  42 #else /* VSF_BUILD_TCPWRAPPERS */
  43
  44 int
  45 vsf_tcp_wrapper_ok(int remote_fd)
  46 {
  47   (void) remote_fd;
  48   die("tcp_wrappers is set to YES but no tcp wrapper support compiled in");
  49   return 0;
  50 }
  51
  52 #endif /* VSF_BUILD_TCPWRAPPERS */
  53