brcm47xx: backport patch from kernel 2.6.37

[openwrt.git] / package / busybox / patches / 310-passwd_access.patch

diff --git a/package/busybox/patches/310-passwd_access.patch b/package/busybox/patches/310-passwd_access.patch
index bd0db8f..24241c1 100644 (file)
--- a/package/busybox/patches/310-passwd_access.patch
+++ b/package/busybox/patches/310-passwd_access.patch
@@ -1,45 +1,41 @@
 
        Copyright (C) 2006 OpenWrt.org
 
 
        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;
+--- a/networking/httpd.c
++++ b/networking/httpd.c
+@@ -1717,21 +1717,32 @@ static int check_user_passwd(const char
+ 
+               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;
 +                              struct passwd *pwd = NULL;

++
++                              pwd = getpwnam(&md5_passwd[4]);
++                              if(!pwd->pw_passwd || !pwd->pw_passwd[0] || pwd->pw_passwd[0] == '!')
++                                      return 1;
++
++                              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;

  
  

-                               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 */
+                               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;
                                }
                                        continue;
                                }

-+                              if (ppnew) {
-+                                      free(ppnew);
-+                                      ppnew = NULL;
-+                              }
-                       }

  
  

-                       if (strcmp(p, request) == 0) {
++check_md5_pw:
+                               encrypted = pw_encrypt(
+                                       user_and_passwd + user_len_p1 /* cleartext pwd from user */,
+                                       md5_passwd /*salt */, 1 /* cleanup */);