make the replacement inet_aton() function independent of

[rsync/rsync.git] / lib / compat.c

diff --git a/lib/compat.c b/lib/compat.c
index b1e386a..a6d7d70 100644 (file)
--- a/lib/compat.c
+++ b/lib/compat.c
@@ -149,12 +149,23 @@
 #ifndef HAVE_INET_ATON
  int inet_aton(const char *cp, struct in_addr *inp)
 {
+       unsigned int a1, a2, a3, a4;
+       unsigned long ret;
+
        if (strcmp(cp, "255.255.255.255") == 0) {
                inp->s_addr = (unsigned) -1;
                return 1;
        }
 
-       inp->s_addr = inet_addr(cp);
+       if (sscanf(cp, "%u.%u.%u.%u", &a1, &a2, &a3, &a4) != 4 ||
+           a1 > 255 || a2 > 255 || a3 > 255 || a4 > 255) {
+               return 1;
+       }
+
+       ret = (a1 << 24) | (a2 << 16) | (a3 << 8) | a4;
+
+       inp->s_addr = htonl(ret);
+       
        if (inp->s_addr == (unsigned) -1) {
                return 0;
        }