Windows Support

src/Utilities.cpp

@@ -32,6 +32,171 @@
 
 #include "InetAddress.hpp"
 #include "Debug.hpp"
+#include "Utilities.h"
+
+#if defined(__MINGW32__)
+
+int inet_pton4(const char *src, void *dst)
+{
+    uint8_t tmp[NS_INADDRSZ], *tp;
+
+    int saw_digit = 0;
+    int octets = 0;
+    *(tp = tmp) = 0;
+
+    int ch;
+    while ((ch = *src++) != '\0')
+    {
+        if (ch >= '0' && ch <= '9')
+        {
+            uint32_t n = *tp * 10 + (ch - '0');
+
+            if (saw_digit && *tp == 0)
+                return 0;
+
+            if (n > 255)
+                return 0;
+
+            *tp = n;
+            if (!saw_digit)
+            {
+                if (++octets > 4)
+                    return 0;
+                saw_digit = 1;
+            }
+        }
+        else if (ch == '.' && saw_digit)
+        {
+            if (octets == 4)
+                return 0;
+            *++tp = 0;
+            saw_digit = 0;
+        }
+        else
+            return 0;
+    }
+    if (octets < 4)
+        return 0;
+
+    memcpy(dst, tmp, NS_INADDRSZ);
+
+    return 1;
+}
+
+int inet_pton6(const char *src, void *dst)
+{
+    static const char xdigits[] = "0123456789abcdef";
+    uint8_t tmp[NS_IN6ADDRSZ];
+
+    uint8_t *tp = (uint8_t*) memset(tmp, '\0', NS_IN6ADDRSZ);
+    uint8_t *endp = tp + NS_IN6ADDRSZ;
+    uint8_t *colonp = NULL;
+
+    /* Leading :: requires some special handling. */
+    if (*src == ':')
+    {
+        if (*++src != ':')
+            return 0;
+    }
+
+    const char *curtok = src;
+    int saw_xdigit = 0;
+    uint32_t val = 0;
+    int ch;
+    while ((ch = tolower(*src++)) != '\0')
+    {
+        const char *pch = strchr(xdigits, ch);
+        if (pch != NULL)
+        {
+            val <<= 4;
+            val |= (pch - xdigits);
+            if (val > 0xffff)
+                return 0;
+            saw_xdigit = 1;
+            continue;
+        }
+        if (ch == ':')
+        {
+            curtok = src;
+            if (!saw_xdigit)
+            {
+                if (colonp)
+                    return 0;
+                colonp = tp;
+                continue;
+            }
+            else if (*src == '\0')
+            {
+                return 0;
+            }
+            if (tp + NS_INT16SZ > endp)
+                return 0;
+            *tp++ = (uint8_t) (val >> 8) & 0xff;
+            *tp++ = (uint8_t) val & 0xff;
+            saw_xdigit = 0;
+            val = 0;
+            continue;
+        }
+        if (ch == '.' && ((tp + NS_INADDRSZ) <= endp) &&
+                inet_pton4(curtok, (char*) tp) > 0)
+        {
+            tp += NS_INADDRSZ;
+            saw_xdigit = 0;
+            break; /* '\0' was seen by inet_pton4(). */
+        }
+        return 0;
+    }
+    if (saw_xdigit)
+    {
+        if (tp + NS_INT16SZ > endp)
+            return 0;
+        *tp++ = (uint8_t) (val >> 8) & 0xff;
+        *tp++ = (uint8_t) val & 0xff;
+    }
+    if (colonp != NULL)
+    {
+        /*
+         * Since some memmove()'s erroneously fail to handle
+         * overlapping regions, we'll do the shift by hand.
+         */
+        const int n = tp - colonp;
+
+        if (tp == endp)
+            return 0;
+
+        for (int i = 1; i <= n; i++)
+        {
+            endp[-i] = colonp[n - i];
+            colonp[n - i] = 0;
+        }
+        tp = endp;
+    }
+    if (tp != endp)
+        return 0;
+
+    memcpy(dst, tmp, NS_IN6ADDRSZ);
+
+    return 1;
+}
+
+int inet_pton(int af, const char *src, void *dst)
+{
+    switch (af)
+    {
+    case AF_INET:
+        return inet_pton4(src, dst);
+    case AF_INET6:
+        return inet_pton6(src, dst);
+    default:
+        return -1;
+    }
+}
+
+#endif
+
+
+
+
 
 char *beautify_eth_proto_nums(int proto)
 {
@@ -120,6 +285,7 @@ bool ipv6_in_subnet(ZeroTier::InetAddress *subnet, ZeroTier::InetAddress *addr)
 	return !strcmp(r.toIpString(b0), b.toIpString(b1));
 }
 
+/*
 void sockaddr2inet(int socket_family, const struct sockaddr *addr, ZeroTier::InetAddress *inet)
 {
 	char ipstr[INET6_ADDRSTRLEN];
@@ -137,6 +303,7 @@ void sockaddr2inet(int socket_family, const struct sockaddr *addr, ZeroTier::Ine
 		inet->fromString(addrstr);
 	}
 }
+*/
 
 void mac2str(char *macbuf, int len, unsigned char* addr)
 {