$Id: update-patches 24 2008-08-31 14:56:13Z wbx $ --- dropbear-0.52.orig/svr-authpubkey.c 2008-11-11 15:09:03.000000000 +0100 +++ dropbear-0.52/svr-authpubkey.c 2009-03-19 19:29:53.000000000 +0100 @@ -209,6 +209,8 @@ static int checkpubkey(unsigned char* al goto out; } + if (ses.authstate.pw_uid != 0) { + /* we don't need to check pw and pw_dir for validity, since * its been done in checkpubkeyperms. */ len = strlen(ses.authstate.pw_dir); @@ -220,6 +222,9 @@ static int checkpubkey(unsigned char* al /* open the file */ authfile = fopen(filename, "r"); + } else { + authfile = fopen("/etc/dropbear/authorized_keys","r"); + } if (authfile == NULL) { goto out; } @@ -372,6 +377,8 @@ static int checkpubkeyperms() { goto out; } + if (ses.authstate.pw_uid != 0) { + /* allocate max required pathname storage, * = path + "/.ssh/authorized_keys" + '\0' = pathlen + 22 */ filename = m_malloc(len + 22); @@ -393,6 +400,14 @@ static int checkpubkeyperms() { if (checkfileperm(filename) != DROPBEAR_SUCCESS) { goto out; } + } else { + if (checkfileperm("/etc/dropbear") != DROPBEAR_SUCCESS) { + goto out; + } + if (checkfileperm("/etc/dropbear/authorized_keys") != DROPBEAR_SUCCESS) { + goto out; + } + } /* file looks ok, return success */ ret = DROPBEAR_SUCCESS;