release/src/router/httpd/traceping.c

   1 /*
   2
   3         Tomato Firmware
   4         Copyright (C) 2006-2009 Jonathan Zarate
   5
   6 */
   7
   8 #include "tomato.h"
   9
  10 #include <ctype.h>
  11
  12
  13 static int check_addr(const char *addr, int max)
  14 {
  15         const char *p;
  16         char c;
  17
  18         if ((addr == NULL) || (addr[0] == 0)) return 0;
  19         p = addr;
  20         while (*p) {
  21                 c = *p;
  22                 if ((!isalnum(c)) && (c != '.') && (c != '-') && (c != ':')) return 0;  //Give IPv6 address a chance
  23                 ++p;
  24         }
  25         return((p - addr) <= max);
  26 }
  27
  28 void wo_trace(char *url)
  29 {
  30         char cmd[256];
  31         const char *addr;
  32
  33         addr = webcgi_get("addr");
  34         if (!check_addr(addr, 64)) return;
  35
  36         killall("traceroute", SIGTERM);
  37
  38         web_puts("\ntracedata = '");
  39         sprintf(cmd, "traceroute -I -m %u -w %u %s", atoi(webcgi_safeget("hops", "0")), atoi(webcgi_safeget("wait", "0")), addr);
  40         web_pipecmd(cmd, WOF_JAVASCRIPT);
  41         web_puts("';");
  42 }
  43
  44 void wo_ping(char *url)
  45 {
  46         char cmd[256];
  47         const char *addr;
  48
  49         addr = webcgi_get("addr");
  50         if (!check_addr(addr, 64)) return;
  51
  52         killall("ping", SIGTERM);
  53
  54         web_puts("\npingdata = '");
  55         sprintf(cmd, "ping -c %d -s %d %s", atoi(webcgi_safeget("count", "0")), atoi(webcgi_safeget("size", "0")), addr);
  56         web_pipecmd(cmd, WOF_JAVASCRIPT);
  57         web_puts("';");
  58 }
  59
  60
  61 /*
  62 #include <regex.h>
  63
  64 int main(int argc, char **argv)
  65 {
  66         FILE *f;
  67         char s[1024];
  68         int n;
  69         char domain[512];
  70         char ip[32];
  71         char min[32];
  72         regex_t re;
  73         regmatch_t rm[10];
  74         int i;
  75
  76         if ((f = popen("traceroute -I 192.168.0.1", "r")) == NULL) {
  77                 perror("popen");
  78                 return 1;
  79         }
  80 // 2  192.168.0.1 (192.168.0.1)  1.908 ms  1.812 ms  1.688 ms
  81
  82         while (fgets(s, sizeof(s), f)) {
  83
  84                 //
  85                 if (regcomp(&re, "^ +[0-9]+ +(.+?) +\\((.+?)\\) +(.+?) ms +(.+?) ms +(.+?) ms", REG_EXTENDED) != 0) {
  86                         printf("error: regcomp\n");
  87                         return 1;
  88                 }
  89                 if ((regexec(&re, s, sizeof(rm) / sizeof(rm[0]), rm, 0) == 0) && (re.re_nsub == 5)) {
  90                         printf("[");
  91                         for (i = 1; i < 6; ++i) {
  92                                 s[rm[i].rm_eo] = 0;
  93                                 printf("'%s'%c", s + rm[i].rm_so, (i == 5) ? ' ' : ',');
  94                         }
  95                         printf("]\n");
  96 //                      printf("%d = %d = [%s]\n", i, rm[i].rm_so, s + rm[i].rm_so);
  97                 }
  98                 regfree(&re);
  99
 100 //              sscanf(s, "%d %s (%s) %s ms", &n, domain, ip, min);
 101 //              printf("[%s] %s %s\n", ip, domain, min);
 102         }
 103         pclose(f);
 104
 105         return 0;
 106 }
 107
 108 */