upgrade busybox to v1.11.1 and add current upstream fixes

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12348 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/busybox/patches/310-passwd_access.patch

@@ -1,45 +0,0 @@
-
-	Copyright (C) 2006 OpenWrt.org
-
-Index: busybox-1.7.2/networking/httpd.c
-===================================================================
---- busybox-1.7.2.orig/networking/httpd.c	2007-10-30 15:34:59.000000000 -0500
-+++ busybox-1.7.2/networking/httpd.c	2007-10-30 15:35:03.000000000 -0500
-@@ -1527,12 +1527,26 @@
- 			if (ENABLE_FEATURE_HTTPD_AUTH_MD5) {
- 				char *cipher;
- 				char *pp;
-+				char *ppnew = NULL;
-+				struct passwd *pwd = NULL;
- 
- 				if (strncmp(p, request, u - request) != 0) {
- 					/* user doesn't match */
- 					continue;
- 				}
- 				pp = strchr(p, ':');
-+				if(pp && pp[1] == '$' && pp[2] == 'p' &&
-+						 pp[3] == '$' && pp[4] &&
-+					 (pwd = getpwnam(&pp[4])) != NULL) {
-+					if(pwd->pw_passwd && pwd->pw_passwd[0] == '!') {
-+						prev = NULL;
-+						continue;
-+					}
-+					ppnew = xrealloc(ppnew, 5 + strlen(pwd->pw_passwd));
-+					ppnew[0] = ':';
-+					strcpy(ppnew + 1, pwd->pw_passwd);
-+					pp = ppnew;
-+				}
- 				if (pp && pp[1] == '$' && pp[2] == '1'
- 				 && pp[3] == '$' && pp[4]
- 				) {
-@@ -1543,6 +1557,10 @@
- 					/* unauthorized */
- 					continue;
- 				}
-+				if (ppnew) {
-+					free(ppnew);
-+					ppnew = NULL;
-+				}
- 			}
- 
- 			if (strcmp(p, request) == 0) {