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authorYves Fischer <yvesf-git@xapek.org>2014-01-11 18:44:50 +0100
committerYves Fischer <yvesf-git@xapek.org>2014-01-11 18:48:48 +0100
commit002a2c3e1d0f091a48f8cc3eb7dce519870debaf (patch)
tree64140ef20603bcf66dc33b8f2c5416d006547cb1 /jni/iodine/src/util.c
downloadandiodine-002a2c3e1d0f091a48f8cc3eb7dce519870debaf.tar.gz
andiodine-002a2c3e1d0f091a48f8cc3eb7dce519870debaf.zip
import code
Diffstat (limited to 'jni/iodine/src/util.c')
-rw-r--r--jni/iodine/src/util.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/jni/iodine/src/util.c b/jni/iodine/src/util.c
new file mode 100644
index 0000000..bc5fc8d
--- /dev/null
+++ b/jni/iodine/src/util.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2006-2009 Bjorn Andersson <flex@kryo.se>, Erik Ekman <yarrick@kryo.se>
+ *
+ * Permission to use, copy, modify, and 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"
+
+char *
+get_resolvconf_addr()
+{
+ static char addr[16];
+ char *rv;
+#ifndef WINDOWS32
+ char buf[80];
+ FILE *fp;
+
+ rv = NULL;
+
+ 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);
+#else /* !WINDOWS32 */
+ FIXED_INFO *fixed_info;
+ ULONG buflen;
+ DWORD ret;
+
+ rv = NULL;
+ 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;
+}
+