X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/3060d4aa1d5586c085aaec108ac6ced094304322..fca3ef06cdb845573b8460a551ad5f90838ef9ca:/lib/compat.c

diff --git a/lib/compat.c b/lib/compat.c
index b1e386a0..e2380e17 100644
--- a/lib/compat.c
+++ b/lib/compat.c
@@ -95,21 +95,6 @@
 }
 #endif
 
-#ifdef REPLACE_INET_NTOA
- char *rep_inet_ntoa(struct in_addr ip)
-{
-	unsigned char *p = (unsigned char *)&ip.s_addr;
-	static char buf[18];
-#if WORDS_BIGENDIAN
-	slprintf(buf, 18, "%d.%d.%d.%d", 
-		 (int)p[0], (int)p[1], (int)p[2], (int)p[3]);
-#else
-	slprintf(buf, 18, "%d.%d.%d.%d", 
-		 (int)p[3], (int)p[2], (int)p[1], (int)p[0]);
-#endif
-	return buf;
-}
-#endif
 
 #ifndef HAVE_STRLCPY
 /* like strncpy but does not 0 fill the buffer and always null 
@@ -146,15 +131,42 @@
 }
 #endif
 
-#ifndef HAVE_INET_ATON
+#ifdef REPLACE_INET_NTOA
+ char *rep_inet_ntoa(struct in_addr ip)
+{
+	unsigned char *p = (unsigned char *)&ip.s_addr;
+	static char buf[18];
+#if WORDS_BIGENDIAN
+	slprintf(buf, 18, "%d.%d.%d.%d", 
+		 (int)p[0], (int)p[1], (int)p[2], (int)p[3]);
+#else
+	slprintf(buf, 18, "%d.%d.%d.%d", 
+		 (int)p[3], (int)p[2], (int)p[1], (int)p[0]);
+#endif
+	return buf;
+}
+#endif
+
+#ifndef REPLACE_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;
 	}