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