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52c4940523
iodine does not seem to follow any styling guidelines (mixture of
different function prototypes, ...). So let's introduce some. This
will improve overall code quality and readability.
Additionally, warnings will improve code quality as well. Let's turn on
very pedantic warnings, and fix everything where the compiler barks
back.
Introduce the following function definition scheme:
type function_name(type name, type1 name1 ...)
{
}
This allows us to copy and paste the definition to the declaration by
selecting one single line.
Furthermore, limit line length to 80 characters.
Signed-off-by: Ralf Ramsauer <ralf@ramses-pyramidenbau.de>
94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
/*
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* Copyright (c) 2006-2014 Erik Ekman <yarrick@kryo.se>,
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* 2006-2009 Bjorn Andersson <flex@kryo.se>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stdio.h>
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#include "common.h"
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#include "util.h"
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char *get_resolvconf_addr(void)
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{
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static char addr[16];
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char *rv;
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#ifndef WINDOWS32
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char buf[80];
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FILE *fp;
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#ifdef ANDROID
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fp = popen("getprop net.dns1", "r");
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if (fp == NULL)
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err(1, "getprop net.dns1 failed");
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if (fgets(buf, sizeof(buf), fp) == NULL)
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err(1, "read getprop net.dns1 failed");
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if (sscanf(buf, "%15s", addr) == 1)
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rv = addr;
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pclose(fp);
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#else
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rv = NULL;
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if ((fp = fopen("/etc/resolv.conf", "r")) == NULL)
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err(1, "/etc/resolv.conf");
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while (feof(fp) == 0) {
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fgets(buf, sizeof(buf), fp);
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if (sscanf(buf, "nameserver %15s", addr) == 1) {
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rv = addr;
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break;
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}
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}
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fclose(fp);
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#endif
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#else /* !WINDOWS32 */
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FIXED_INFO *fixed_info;
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ULONG buflen;
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DWORD ret;
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rv = NULL;
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fixed_info = malloc(sizeof(FIXED_INFO));
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buflen = sizeof(FIXED_INFO);
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if (GetNetworkParams(fixed_info, &buflen) == ERROR_BUFFER_OVERFLOW) {
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/* official ugly api workaround */
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free(fixed_info);
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fixed_info = malloc(buflen);
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}
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ret = GetNetworkParams(fixed_info, &buflen);
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if (ret == NO_ERROR) {
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strncpy(addr, fixed_info->DnsServerList.IpAddress.String, sizeof(addr));
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addr[15] = 0;
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rv = addr;
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}
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free(fixed_info);
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#endif
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return rv;
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}
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#ifdef OPENBSD
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void
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socket_setrtable(int fd, int rtable)
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{
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#ifdef SO_RTABLE
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if (setsockopt (fd, IPPROTO_IP, SO_RTABLE, &rtable, sizeof(rtable)) == -1)
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err(1, "Failed to set routing table %d", rtable);
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#else
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fprintf(stderr, "Routing domain support was not available at compile time.\n");
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#endif
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}
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#endif
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