release/src/router/vsftpd/access.c

   1 /*
   2  * Part of Very Secure FTPd
   3  * Licence: GPL v2
   4  * Author: Chris Evans
   5  * access.c
   6  *
   7  * Routines to do very very simple access control based on filenames.
   8  */
   9
  10 #include "access.h"
  11 #include "ls.h"
  12 #include "tunables.h"
  13 #include "str.h"
  14
  15 int
  16 vsf_access_check_file(const struct mystr* p_filename_str)
  17 {
  18   static struct mystr s_access_str;
  19
  20   if (!tunable_deny_file)
  21   {
  22     return 1;
  23   }
  24   if (str_isempty(&s_access_str))
  25   {
  26     str_alloc_text(&s_access_str, tunable_deny_file);
  27   }
  28   if (vsf_filename_passes_filter(p_filename_str, &s_access_str))
  29   {
  30     return 0;
  31   }
  32   else
  33   {
  34     struct str_locate_result loc_res =
  35       str_locate_str(p_filename_str, &s_access_str);
  36     if (loc_res.found)
  37     {
  38       return 0;
  39     }
  40   }
  41   return 1;
  42 }
  43
  44 int
  45 vsf_access_check_file_visible(const struct mystr* p_filename_str)
  46 {
  47   static struct mystr s_access_str;
  48
  49   if (!tunable_hide_file)
  50   {
  51     return 1;
  52   }
  53   if (str_isempty(&s_access_str))
  54   {
  55     str_alloc_text(&s_access_str, tunable_hide_file);
  56   }
  57   if (vsf_filename_passes_filter(p_filename_str, &s_access_str))
  58   {
  59     return 0;
  60   }
  61   else
  62   {
  63     struct str_locate_result loc_res =
  64       str_locate_str(p_filename_str, &s_access_str);
  65     if (loc_res.found)
  66     {
  67       return 0;
  68     }
  69   }
  70   return 1;
  71 }
  72