add back busybox httpd password auth support - fixes x-wrt

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12422 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/busybox/patches/310-passwd_access.patch b/package/busybox/patches/310-passwd_access.patch
new file mode 100644 (file)
index 0000000..78a43d7
--- /dev/null
+++ b/package/busybox/patches/310-passwd_access.patch
@@ -0,0 +1,41 @@
+
+       Copyright (C) 2006 OpenWrt.org
+
+--- a/networking/httpd.c
++++ b/networking/httpd.c
+@@ -1697,21 +1697,32 @@
+ 
+               if (ENABLE_FEATURE_HTTPD_AUTH_MD5) {
+                       char *md5_passwd;
++                      int user_len_p1;
+ 
+                       md5_passwd = strchr(cur->after_colon, ':');
+-                      if (md5_passwd && md5_passwd[1] == '$' && md5_passwd[2] == '1'
++                      user_len_p1 = md5_passwd + 1 - cur->after_colon;
++                      if (md5_passwd && !strncmp(md5_passwd + 1, "$p$", 3)) {
++                              struct passwd *pwd = NULL;
++
++                              pwd = getpwnam(&md5_passwd[4]);
++                              if(!pwd->pw_passwd || !pwd->pw_passwd[0] || pwd->pw_passwd[0] == '!')
++                                      continue;
++
++                              md5_passwd = pwd->pw_passwd;
++                              goto check_md5_pw;
++                      } else if (md5_passwd && md5_passwd[1] == '$' && md5_passwd[2] == '1'
+                        && md5_passwd[3] == '$' && md5_passwd[4]
+                       ) {
+                               char *encrypted;
+-                              int r, user_len_p1;
++                              int r;
+ 
+                               md5_passwd++;
+-                              user_len_p1 = md5_passwd - cur->after_colon;
+                               /* comparing "user:" */
+                               if (strncmp(cur->after_colon, user_and_passwd, user_len_p1) != 0) {
+                                       continue;
+                               }
+ 
++check_md5_pw:
+                               encrypted = pw_encrypt(
+                                       user_and_passwd + user_len_p1 /* cleartext pwd from user */,
+                                       md5_passwd /*salt */, 1 /* cleanup */);