--- dropbear-0.45.old/svr-authpubkey.c 2005-09-27 12:45:20.863639072 +0200 +++ dropbear-0.45/svr-authpubkey.c 2005-09-27 13:15:09.066790872 +0200 @@ -176,14 +176,10 @@ goto out; } - /* we don't need to check pw and pw_dir for validity, since - * its been done in checkpubkeyperms. */ - len = strlen(ses.authstate.pw->pw_dir); /* allocate max required pathname storage, - * = path + "/.ssh/authorized_keys" + '\0' = pathlen + 22 */ - filename = m_malloc(len + 22); - snprintf(filename, len + 22, "%s/.ssh/authorized_keys", - ses.authstate.pw->pw_dir); + * = "/etc/dropbear/authorized_keys" + '\0' = 30 */ + filename = m_malloc(30); + strncpy(filename, "/etc/dropbear/authorized_keys", 30); /* open the file */ authfile = fopen(filename, "r"); @@ -255,43 +251,33 @@ /* Returns DROPBEAR_SUCCESS if file permissions for pubkeys are ok, * DROPBEAR_FAILURE otherwise. - * Checks that the user's homedir, ~/.ssh, and - * ~/.ssh/authorized_keys are all owned by either root or the user, and are + * Checks that /etc, /etc/dropbear and /etc/dropbear/authorized_keys + * are all owned by either root or the user, and are * g-w, o-w */ static int checkpubkeyperms() { char* filename = NULL; int ret = DROPBEAR_FAILURE; - unsigned int len; TRACE(("enter checkpubkeyperms")) - assert(ses.authstate.pw); - if (ses.authstate.pw->pw_dir == NULL) { - goto out; - } - - if ((len = strlen(ses.authstate.pw->pw_dir)) == 0) { - goto out; - } - /* allocate max required pathname storage, - * = path + "/.ssh/authorized_keys" + '\0' = pathlen + 22 */ - filename = m_malloc(len + 22); - strncpy(filename, ses.authstate.pw->pw_dir, len+1); + * = "/etc/dropbear/authorized_keys" + '\0' = 30 */ + filename = m_malloc(30); + strncpy(filename, "/etc", 4); /* strlen("/etc") == 4 */ - /* check ~ */ + /* check /etc */ if (checkfileperm(filename) != DROPBEAR_SUCCESS) { goto out; } - /* check ~/.ssh */ - strncat(filename, "/.ssh", 5); /* strlen("/.ssh") == 5 */ + /* check /etc/dropbear */ + strncat(filename, "/dropbear", 9); /* strlen("/dropbear") == 9 */ if (checkfileperm(filename) != DROPBEAR_SUCCESS) { goto out; } - /* now check ~/.ssh/authorized_keys */ + /* now check /etc/dropbear/authorized_keys */ strncat(filename, "/authorized_keys", 16); if (checkfileperm(filename) != DROPBEAR_SUCCESS) { goto out;