X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/8d2aad49e306e51cae9c694bb1ef2a4e73416036..be7cf82299004d803d985b5ec9bec26b2562ec85:/access.c

diff --git a/access.c b/access.c
index d792eafd..cba3cc59 100644
--- a/access.c
+++ b/access.c
@@ -27,7 +27,7 @@
 static int match_hostname(char *host, char *tok)
 {
 	if (!host || !*host) return 0;
-	return (fnmatch(tok, host, 0) == 0);
+	return wildmatch(tok, host);
 }
 
 static int match_binary(char *b1, char *b2, char *mask, int addrlen)
@@ -51,7 +51,8 @@ static void make_mask(char *mask, int plen, int addrlen) {
 
 	if (w)
 		memset(mask, 0xff, w);
-	mask[w] = 0xff & (0xff<<(8-b));
+	if (w < addrlen)
+		mask[w] = 0xff & (0xff<<(8-b));
 	if (w+1 < addrlen)
 		memset(mask+w+1, 0, addrlen-w-1);
 
@@ -72,11 +73,28 @@ static int match_address(char *addr, char *tok)
 #endif
 	char mask[16];
 	char *a = NULL, *t = NULL;
+	unsigned int len;
 
 	if (!addr || !*addr) return 0;
 
 	p = strchr(tok,'/');
-	if (p) *p = 0;
+	if (p) {
+		*p = '\0';
+		len = p - tok;
+	}
+	else
+		len = strlen(tok);
+
+	/* Fail quietly if tok is a hostname (not an address) */
+	if (strspn(tok, ".0123456789") != len
+#ifdef INET6
+	    && strchr(tok, ':') == NULL
+#endif
+	) {
+		if (p)
+			*p = '/';
+		return 0;
+	}
 
 	memset(&hints, 0, sizeof(hints));
 	hints.ai_family = PF_UNSPEC;
@@ -85,14 +103,18 @@ static int match_address(char *addr, char *tok)
 	hints.ai_flags = AI_NUMERICHOST;
 #endif
 
-	gai = getaddrinfo(addr, NULL, &hints, &resa);
-	if (gai) return 0;
+	if (getaddrinfo(addr, NULL, &hints, &resa) != 0) {
+		if (p)
+			*p = '/';
+		return 0;
+	}
 
 	gai = getaddrinfo(tok, NULL, &hints, &rest);
 	if (p)
 		*p++ = '/';
-	if (gai) {
-		rprintf(FERROR,"malformed address %s\n", tok);
+	if (gai != 0) {
+		rprintf(FLOG, "error matching address %s: %s\n",
+			tok, gai_strerror(gai));
 		freeaddrinfo(resa);
 		return 0;
 	}
@@ -121,6 +143,8 @@ static int match_address(char *addr, char *tok)
 		a = (char *)&sin6a->sin6_addr;
 		t = (char *)&sin6t->sin6_addr;
 
+		addrlen = 16;
+
 #ifdef HAVE_SOCKADDR_IN6_SCOPE_ID
 		if (sin6t->sin6_scope_id &&
 		    sin6a->sin6_scope_id != sin6t->sin6_scope_id) {
@@ -129,15 +153,11 @@ static int match_address(char *addr, char *tok)
 		}
 #endif
 
-		a = (char *)&sin6a->sin6_addr;
-		t = (char *)&sin6t->sin6_addr;
-		addrlen = 16;
-
 		break;
 	    }
 #endif
 	default:
-	    rprintf(FERROR,"unknown family %u\n", rest->ai_family);
+	    rprintf(FLOG, "unknown family %u\n", rest->ai_family);
 	    ret = 0;
 	    goto out;
 	}
@@ -154,14 +174,14 @@ static int match_address(char *addr, char *tok)
 #ifdef HAVE_STRTOL
 			bits = strtol(p, &ep, 10);
 			if (!*p || *ep) {
-				rprintf(FERROR,"malformed mask in %s\n", tok);
+				rprintf(FLOG, "malformed mask in %s\n", tok);
 				ret = 0;
 				goto out;
 			}
 #else
 			for (pp = (unsigned char *)p; *pp; pp++) {
 				if (!isascii(*pp) || !isdigit(*pp)) {
-					rprintf(FERROR,"malformed mask in %s\n", tok);
+					rprintf(FLOG, "malformed mask in %s\n", tok);
 					ret = 0;
 					goto out;
 				}
@@ -173,7 +193,7 @@ static int match_address(char *addr, char *tok)
 				goto out;
 			}
 			if (bits < 0 || bits > (addrlen << 3)) {
-				rprintf(FERROR,"malformed mask in %s\n", tok);
+				rprintf(FLOG, "malformed mask in %s\n", tok);
 				ret = 0;
 				goto out;
 			}