mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-10-31 05:54:26 -04:00
92 lines
2.6 KiB
Diff
92 lines
2.6 KiB
Diff
--- a/svr-authpubkey.c
|
|
+++ b/svr-authpubkey.c
|
|
@@ -209,17 +209,21 @@ static int checkpubkey(unsigned char* al
|
|
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_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_dir);
|
|
-
|
|
- /* open the file */
|
|
- authfile = fopen(filename, "r");
|
|
+ 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);
|
|
+ /* 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_dir);
|
|
+
|
|
+ /* open the file */
|
|
+ authfile = fopen(filename, "r");
|
|
+ } else {
|
|
+ authfile = fopen("/etc/dropbear/authorized_keys","r");
|
|
+ }
|
|
if (authfile == NULL) {
|
|
goto out;
|
|
}
|
|
@@ -372,26 +376,35 @@ static int checkpubkeyperms() {
|
|
goto out;
|
|
}
|
|
|
|
- /* allocate max required pathname storage,
|
|
- * = path + "/.ssh/authorized_keys" + '\0' = pathlen + 22 */
|
|
- filename = m_malloc(len + 22);
|
|
- strncpy(filename, ses.authstate.pw_dir, len+1);
|
|
-
|
|
- /* check ~ */
|
|
- if (checkfileperm(filename) != DROPBEAR_SUCCESS) {
|
|
- goto out;
|
|
- }
|
|
-
|
|
- /* check ~/.ssh */
|
|
- strncat(filename, "/.ssh", 5); /* strlen("/.ssh") == 5 */
|
|
- if (checkfileperm(filename) != DROPBEAR_SUCCESS) {
|
|
- goto out;
|
|
- }
|
|
-
|
|
- /* now check ~/.ssh/authorized_keys */
|
|
- strncat(filename, "/authorized_keys", 16);
|
|
- if (checkfileperm(filename) != DROPBEAR_SUCCESS) {
|
|
- goto out;
|
|
+ if (ses.authstate.pw_uid == 0) {
|
|
+ if (checkfileperm("/etc/dropbear") != DROPBEAR_SUCCESS) {
|
|
+ goto out;
|
|
+ }
|
|
+ if (checkfileperm("/etc/dropbear/authorized_keys") != DROPBEAR_SUCCESS) {
|
|
+ goto out;
|
|
+ }
|
|
+ } else {
|
|
+ /* allocate max required pathname storage,
|
|
+ * = path + "/.ssh/authorized_keys" + '\0' = pathlen + 22 */
|
|
+ filename = m_malloc(len + 22);
|
|
+ strncpy(filename, ses.authstate.pw_dir, len+1);
|
|
+
|
|
+ /* check ~ */
|
|
+ if (checkfileperm(filename) != DROPBEAR_SUCCESS) {
|
|
+ goto out;
|
|
+ }
|
|
+
|
|
+ /* check ~/.ssh */
|
|
+ strncat(filename, "/.ssh", 5); /* strlen("/.ssh") == 5 */
|
|
+ if (checkfileperm(filename) != DROPBEAR_SUCCESS) {
|
|
+ goto out;
|
|
+ }
|
|
+
|
|
+ /* now check ~/.ssh/authorized_keys */
|
|
+ strncat(filename, "/authorized_keys", 16);
|
|
+ if (checkfileperm(filename) != DROPBEAR_SUCCESS) {
|
|
+ goto out;
|
|
+ }
|
|
}
|
|
|
|
/* file looks ok, return success */
|