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-rw-r--r--package/dropbear/patches/authpubkey.patch73
1 files changed, 73 insertions, 0 deletions
diff --git a/package/dropbear/patches/authpubkey.patch b/package/dropbear/patches/authpubkey.patch
new file mode 100644
index 000000000..07beefe71
--- /dev/null
+++ b/package/dropbear/patches/authpubkey.patch
@@ -0,0 +1,73 @@
+--- 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;