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--- 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;
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