mirror of
https://github.com/yarrick/iodine.git
synced 2024-05-06 20:19:20 +03:00
90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
/*
|
|
* Copyright (c) 2006-2014 Erik Ekman <yarrick@kryo.se>,
|
|
* 2006-2009 Bjorn Andersson <flex@kryo.se>
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include "common.h"
|
|
#include "util.h"
|
|
|
|
char *get_resolvconf_addr(void)
|
|
{
|
|
static char addr[16];
|
|
char *rv = NULL;
|
|
#ifndef WINDOWS32
|
|
char buf[80];
|
|
FILE *fp;
|
|
#ifdef ANDROID
|
|
fp = popen("getprop net.dns1", "r");
|
|
if (fp == NULL)
|
|
err(1, "getprop net.dns1 failed");
|
|
if (fgets(buf, sizeof(buf), fp) == NULL)
|
|
err(1, "read getprop net.dns1 failed");
|
|
if (sscanf(buf, "%15s", addr) == 1)
|
|
rv = addr;
|
|
pclose(fp);
|
|
#else
|
|
if ((fp = fopen("/etc/resolv.conf", "r")) == NULL)
|
|
err(1, "/etc/resolv.conf");
|
|
|
|
while (feof(fp) == 0) {
|
|
fgets(buf, sizeof(buf), fp);
|
|
|
|
if (sscanf(buf, "nameserver %15s", addr) == 1) {
|
|
rv = addr;
|
|
break;
|
|
}
|
|
}
|
|
|
|
fclose(fp);
|
|
#endif
|
|
#else /* !WINDOWS32 */
|
|
FIXED_INFO *fixed_info;
|
|
ULONG buflen;
|
|
DWORD ret;
|
|
|
|
fixed_info = malloc(sizeof(FIXED_INFO));
|
|
buflen = sizeof(FIXED_INFO);
|
|
|
|
if (GetNetworkParams(fixed_info, &buflen) == ERROR_BUFFER_OVERFLOW) {
|
|
/* official ugly api workaround */
|
|
free(fixed_info);
|
|
fixed_info = malloc(buflen);
|
|
}
|
|
|
|
ret = GetNetworkParams(fixed_info, &buflen);
|
|
if (ret == NO_ERROR) {
|
|
strncpy(addr, fixed_info->DnsServerList.IpAddress.String, sizeof(addr));
|
|
addr[15] = 0;
|
|
rv = addr;
|
|
}
|
|
free(fixed_info);
|
|
#endif
|
|
return rv;
|
|
}
|
|
|
|
#ifdef OPENBSD
|
|
void
|
|
socket_setrtable(int fd, int rtable)
|
|
{
|
|
#ifdef SO_RTABLE
|
|
if (setsockopt (fd, IPPROTO_IP, SO_RTABLE, &rtable, sizeof(rtable)) == -1)
|
|
err(1, "Failed to set routing table %d", rtable);
|
|
#else
|
|
fprintf(stderr, "Routing domain support was not available at compile time.\n");
|
|
#endif
|
|
}
|
|
#endif
|