release/src/router/httpd/pptpd.c

   1 /*
   2
   3         Tomato Firmware
   4         PPTP Server Support
   5         Copyright (C) 2012 Augusto Bott
   6
   7         This program is free software; you can redistribute it and/or
   8         modify it under the terms of the GNU General Public License
   9         as published by the Free Software Foundation; either version 2
  10         of the License, or (at your option) any later version.
  11
  12         This program is distributed in the hope that it will be useful,
  13         but WITHOUT ANY WARRANTY; without even the implied warranty of
  14         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15         GNU General Public License for more details.
  16
  17 */
  18
  19 #include "tomato.h"
  20
  21 #ifndef PPTP_CONNECTED
  22 #define PPTP_CONNECTED  "/tmp/pptp_connected"
  23 #endif
  24
  25 #ifndef IF_SIZE
  26 #define IF_SIZE 8
  27 #endif
  28
  29 /*
  30 #ifndef IFNAMSIZ
  31 #define IFNAMSIZ 16
  32 #endif
  33 */
  34
  35 void asp_pptpd_userol(int argc, char **argv) {
  36         char comma;
  37         char line[128];
  38         FILE *fp;
  39
  40         char clientusername[32+1];
  41         char clientlocalip[INET6_ADDRSTRLEN+1];
  42         char clientremoteip[INET6_ADDRSTRLEN+1];
  43         char interface[IF_SIZE+1];
  44         int ppppid;
  45         int clientuptime;
  46
  47         web_puts("\n\npptpd_online=[");
  48         comma = ' ';
  49
  50         fp = fopen(PPTP_CONNECTED, "r");
  51         if (fp) {
  52                 while (fgets(line, sizeof(line), fp) != NULL) {
  53                         if (sscanf(line, "%d %s %s %s %s %d", &ppppid, interface, clientlocalip, clientremoteip, clientusername, &clientuptime) != 6) continue;
  54                         web_printf("%c['%d', '%s', '%s', '%s', '%s', '%d']",
  55                                 comma, ppppid, interface, clientlocalip, clientremoteip, clientusername, clientuptime);
  56                         comma = ',';
  57                 }
  58                 fclose(fp);
  59         }
  60
  61         web_puts("];\n");
  62 }
  63
  64 void wo_pptpdcmd(char *url) {
  65         char *p;
  66         int n = 10;
  67         // do we really need to output anything?
  68         web_puts("\npptd_result = [\n");
  69         if ((p = webcgi_get("disconnect")) != NULL) {
  70                 while ((kill(atoi(p), SIGTERM) == 0) && (n > 1)) {
  71                         sleep(1);
  72                         n--;
  73                 }
  74         }
  75         web_puts("];\n");
  76 }
  77