yawmppp/src/ycommon.c

   1 /*
   2
   3    YAWMPPP - PPP dock app/helper for WindowMaker
   4    Copyright (C) 2000,2001:
   5
   6    Author:  Felipe Bergo     (bergo@seul.org)
   7
   8    based on the wmppp application by
   9
  10             Martijn Pieterse (pieterse@xs4all.nl)
  11             Antoine Nulle    (warp@xs4all.nl)
  12
  13    This program is free software; you can redistribute it and/or modify
  14    it under the terms of the GNU General Public License as published by
  15    the Free Software Foundation; either version 2 of the License, or
  16    (at your option) any later version.
  17
  18    This program is distributed in the hope that it will be useful,
  19    but WITHOUT ANY WARRANTY; without even the implied warranty of
  20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21    GNU General Public License for more details.
  22
  23    You should have received a copy of the GNU General Public License
  24    along with this program; if not, write to the Free Software
  25    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  26
  27    $Id: ycommon.c,v 1.1.1.1 2001/02/22 07:15:59 bergo Exp $
  28 */
  29
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <time.h>
  33 #include <string.h>
  34 #include <fcntl.h>
  35 #include <unistd.h>
  36 #include <ctype.h>
  37 #include <signal.h>
  38
  39 #include <sys/wait.h>
  40 #include <sys/stat.h>
  41 #include <sys/param.h>
  42 #include <sys/types.h>
  43 #include <sys/ioctl.h>
  44
  45 #include <sys/socket.h>
  46
  47 #ifdef LINUX
  48 #define _LINUX_SOCKET_H
  49 #endif
  50
  51 /* guessworks for critters beyond the realm of Linux and FreeBSD */
  52
  53 #ifdef OPENBSD
  54 #define FREEBSD
  55 #endif
  56
  57 #ifdef NETBSD
  58 #define FREEBSD
  59 #endif
  60
  61 #ifdef BSDISH
  62 #define FREEBSD
  63 #endif
  64
  65 #ifdef LINUX
  66   #include <asm/types.h>
  67   #include <linux/if.h>
  68   #include <linux/ppp_defs.h>
  69   #include <linux/if_ppp.h>
  70 #endif
  71
  72 #ifdef FREEBSD
  73   #include <net/if.h>
  74   #include <net/ppp_defs.h>
  75   #include <net/if_ppp.h>
  76 #endif
  77
  78 #include "ycommon.h"
  79 #include "isprc.h"
  80
  81
  82 extern struct LogStruct logconn;
  83
  84 extern int ppp_h;
  85 extern int ppp_open;
  86
  87 extern struct YAWMPPP_ISP_INFO IspData[MAX_ISPS];
  88 extern int num_isps;
  89 extern int current_isp;
  90
  91 extern char *active_interface;
  92
  93 /* LOGS = ~/.yawmppp2/log */
  94
  95 void
  96 clean_guards(void)
  97 {
  98   char *p;
  99   char temp[128],aux[128];
 100   FILE *f;
 101
 102   p = getenv ("HOME");
 103   strcpy (temp, p);
 104   strcat (temp, "/.yawmppp2/.floatlog");
 105   f=fopen(temp,"r");
 106   if (!f)
 107     return; /* fine: no crash file */
 108   if (!fgets(aux,128,f)) return;
 109   if ((p=strtok(aux,"\n"))==NULL) return;
 110   logconn.start=atoi(p);
 111   if (!fgets(aux,128,f)) return;
 112   if ((p=strtok(aux,"\n"))==NULL) return;
 113   logconn.end=atoi(p);
 114   if (!fgets(aux,128,f)) return;
 115   if ((p=strtok(aux,"\n"))==NULL) return;
 116   logconn.status=atoi(p);
 117   if (!fgets(aux,128,f)) return;
 118   if ((p=strtok(aux,"\n"))==NULL) return;
 119   strcpy(logconn.longname,p);
 120   if (!fgets(aux,128,f)) return;
 121   if ((p=strtok(aux,"\n"))==NULL) return;
 122   strcpy(logconn.shortname,p);
 123   if (!fgets(aux,128,f)) return;
 124   if ((p=strtok(aux,"\n"))==NULL) return;
 125   strcpy(logconn.phone,p);
 126   if (!fgets(aux,128,f)) return;
 127   if ((p=strtok(aux,"\n"))==NULL) return;
 128   strcpy(logconn.user,p);
 129   fclose(f);
 130   logconn.status=2; /* CRASH */
 131   write_log();
 132 }
 133
 134 void
 135 make_guards(void)
 136 {
 137   char *p;
 138   char temp[128];
 139   FILE *f;
 140
 141   p = getenv ("HOME");
 142   strcpy (temp, p);
 143   strcat (temp, "/.yawmppp2/.floatlog");
 144   f=fopen(temp,"w");
 145   if (!f) return;
 146
 147   logconn.end=time(NULL);
 148   fprintf(f,"%lu\n%lu\n%d\n",logconn.start,logconn.end,logconn.status);
 149   fprintf(f,"%s\n%s\n%s\n",logconn.longname,logconn.shortname,logconn.phone);
 150   fprintf(f,"%s\n",logconn.user);
 151   fclose(f);
 152 }
 153
 154 void
 155 write_log(void)
 156 {
 157   char *p;
 158   char temp[128];
 159   FILE *f;
 160   int i,s;
 161
 162   p = getenv ("HOME");
 163   strcpy (temp, p);
 164   strcat (temp, "/.yawmppp2/logfile");
 165   f=fopen(temp,"a");
 166   if (!f) return;
 167
 168   s=strlen(logconn.phone);
 169   for(i=0;i<s;i++)
 170     if (logconn.phone[i]=='\t')
 171       logconn.phone[i]=' ';
 172   s=strlen(logconn.shortname);
 173   for(i=0;i<s;i++)
 174     if (logconn.shortname[i]=='\t')
 175       logconn.shortname[i]=' ';
 176   s=strlen(logconn.longname);
 177   for(i=0;i<s;i++)
 178     if (logconn.longname[i]=='\t')
 179       logconn.longname[i]=' ';
 180   s=strlen(logconn.user);
 181   for(i=0;i<s;i++)
 182     if (logconn.user[i]=='\t')
 183       logconn.user[i]=' ';
 184
 185   fprintf(f,"%lu\t%lu\t%d\t%s\t%s\t%s\t%s\n",
 186           logconn.start,
 187           logconn.end,
 188           logconn.status,
 189           logconn.longname,
 190           logconn.shortname,
 191           logconn.phone,
 192           logconn.user);
 193   fclose(f);
 194
 195   chmod(temp,0600);
 196
 197   p = getenv ("HOME");
 198   strcpy (temp, p);
 199   strcat (temp, "/.yawmppp2/.floatlog");
 200   unlink(temp);
 201 }
 202
 203
 204 void
 205 warn_pref(void)
 206 {
 207   char *p;
 208   char temp[128];
 209   FILE *f;
 210
 211   p=getenv("HOME");
 212   strcpy (temp, p);
 213   strcat (temp, "/.yawmppp2/.delayedupdate");
 214
 215   f=fopen(temp,"w");
 216   if (!f) return;
 217   fprintf(f,"This file shouldn't last more than a few millisecs...\n");
 218   fclose(f);
 219 }
 220
 221 /* PPP */
 222
 223 void
 224 open_ppp(void)
 225 {
 226   /* Open the ppp device. */
 227
 228   if (ppp_open)
 229     return;
 230
 231   if ((ppp_h = socket (AF_INET, SOCK_DGRAM, 0)) >= 0)
 232     ppp_open = 1;
 233 }
 234
 235 void
 236 close_ppp(void)
 237 {
 238   if (!ppp_open)
 239     return;
 240   close(ppp_h);
 241   ppp_open=0;
 242 }
 243
 244 /* other stuff */
 245
 246 void
 247 write_pid_file(void)
 248 {
 249     char *p;
 250     char temp[128];
 251     FILE *f;
 252
 253     p = getenv ("HOME");
 254     strcpy (temp, p);
 255     strcat (temp, "/.yawmppp2/yawmppp.pid");
 256
 257     f=fopen(temp,"w");
 258     if (f) {
 259       fprintf(f,"%d",getpid());
 260       fclose(f);
 261     }
 262 }
 263
 264 void
 265 remove_pid_file(void)
 266 {
 267     char *p;
 268     char temp[128];
 269
 270     p = getenv ("HOME");
 271     strcpy (temp, p);
 272     strcat (temp, "/.yawmppp2/yawmppp.pid");
 273
 274     unlink(temp);
 275 }
 276
 277 void
 278 make_config_dir(void)
 279 {
 280   struct stat ss;
 281   char tmp[256];
 282
 283   sprintf(tmp,"%s/.yawmppp2",getenv("HOME"));
 284
 285   if (stat(tmp,&ss)<0)
 286     mkdir(tmp,0700);
 287 }
 288
 289
 290 void
 291 grab_isp_info(int rof)
 292 {
 293     char *p;
 294     char temp[128];
 295
 296     p = getenv ("HOME");
 297     strcpy (temp, p);
 298     strcat (temp, "/.yawmppp2/yawmppprc");
 299
 300     num_isps=GetISPInfo(temp,&IspData[0],MAX_ISPS);
 301
 302     if ((!num_isps)&&(rof)) {
 303       run_pref_app();
 304     }
 305 }
 306
 307 void
 308 run_pref_app(void)
 309 {
 310   if (!fork()) {
 311     execlp("yawmppp.pref","yawmppp.pref",NULL);
 312     execlp("/usr/local/bin/yawmppp.pref","yawmppp.pref",NULL);
 313     execlp("/usr/bin/yawmppp.pref","yawmppp.pref",NULL);
 314     exit(2);
 315   }
 316 }
 317
 318 void
 319 run_log_app(void)
 320 {
 321   if (!fork()) {
 322     execlp("yawmppp.log","yawmppp.log",NULL);
 323     execlp("/usr/local/bin/yawmppp.log","yawmppp.log",NULL);
 324     execlp("/usr/bin/yawmppp.log","yawmppp.log",NULL);
 325     exit(2);
 326   }
 327 }
 328
 329 /* essential */
 330
 331
 332 /* get_statistics */
 333
 334 int
 335 get_statistics (char *devname, long *ip, long *op, long *is, long *os)
 336 {
 337
 338     struct ifpppstatsreq req;
 339     struct ppp_stats ppp_cur;
 340
 341     memset (&ppp_cur, 0, sizeof (ppp_cur));
 342
 343     open_ppp();
 344     if (!ppp_open)
 345       return(-1);
 346
 347 memset(&req,0,sizeof(req));
 348
 349 #ifdef LINUX
 350 req.stats_ptr=(caddr_t) & req.stats;
 351 strcpy(req.ifr__name, active_interface);
 352 #endif
 353
 354 #ifdef FREEBSD
 355 strcpy(req.ifr_name, active_interface);
 356 #endif
 357
 358  if (ioctl(ppp_h,SIOCGPPPSTATS,&req) >= 0)
 359    ppp_cur=req.stats;
 360
 361  *op = ppp_cur.p.ppp_opackets;
 362  *ip = ppp_cur.p.ppp_ipackets;
 363  *is = ppp_cur.p.ppp_ibytes;
 364  *os = ppp_cur.p.ppp_obytes;
 365
 366  return 0;
 367 }
 368
 369 /* stillonline */
 370
 371 int
 372 stillonline (char *ifs)
 373 {
 374
 375 #ifdef LINUX
 376     FILE *fp;
 377     char temp[128];
 378 #endif
 379 #ifdef FREEBSD
 380         struct ifreq req;
 381 #endif
 382     int i=0;
 383
 384 #ifdef LINUX
 385     fp = fopen ("/proc/net/route", "r");
 386     if (fp)
 387       {
 388           while (fgets (temp, 128, fp))
 389             {
 390                 if (strstr (temp, ifs))
 391                   {
 392                       i = 1;    /* Line is alive */
 393                   }
 394             }
 395           fclose (fp);
 396       }
 397 #endif
 398
 399 #ifdef FREEBSD
 400         strcpy(req.ifr_name,active_interface);
 401         open_ppp();
 402         if (!ppp_open)
 403           return 0;
 404         if (ioctl(ppp_h,SIOCGIFFLAGS,&req)>=0) {
 405                 if (req.ifr_flags&IFF_UP)
 406                   i=1;
 407         }
 408 #endif
 409         return i;
 410 }