diff -up openssh-6.8p1/pam_ssh_agent_auth-0.9.3/iterate_ssh_agent_keys.c.psaa-agent openssh-6.8p1/pam_ssh_agent_auth-0.9.3/iterate_ssh_agent_keys.c

--- openssh-6.8p1/pam_ssh_agent_auth-0.9.3/iterate_ssh_agent_keys.c.psaa-agent	2015-06-02 16:43:09.231902255 +0200

+++ openssh-6.8p1/pam_ssh_agent_auth-0.9.3/iterate_ssh_agent_keys.c	2015-06-02 16:43:09.235902253 +0200

@@ -37,6 +37,7 @@

 #include "buffer.h"

 #include "key.h"

 #include "authfd.h"

+#include "ssherr.h"

 #include "ssh.h"

 #include <stdio.h>

 #include <sys/types.h>

@@ -177,34 +178,41 @@ int

 find_authorized_keys(uid_t uid)

 {

     Identity *id;

-    Key *key;

     AuthenticationConnection *ac;

-    char *comment;

     uint8_t retval = 0;

+    struct ssh_identitylist *idlist;

+    int r, i;

     OpenSSL_add_all_digests();

     session_id2 = session_id2_gen();

     if ((ac = ssh_get_authentication_connection_for_uid(uid))) {

         verbose("Contacted ssh-agent of user %s (%u)", getpwuid(uid)->pw_name, uid);

-        for (key = ssh_get_first_identity(ac, &comment, 2); key != NULL; key = ssh_get_next_identity(ac, &comment, 2)) 

+		if ((r = ssh_fetch_identitylist(ac->fd, 2,

+		    &idlist)) != 0) {

+			if (r != SSH_ERR_AGENT_NO_IDENTITIES)

+				fprintf(stderr, "error fetching identities for "

+				    "protocol %d: %s\n", 2, ssh_err(r));

+		} else {

+		for (i = 0; i < idlist->nkeys; i++)

         {

-            if(key != NULL) {

+            if(idlist->keys[i] != NULL) {

                 id = xcalloc(1, sizeof(*id));

-                id->key = key;

-                id->filename = comment;

+                id->key = idlist->keys[i];

+                id->filename = idlist->comments[i];

                 id->ac = ac;

                 if(userauth_pubkey_from_id(id)) {

                     retval = 1;

                 }

-                free(id->filename);

-                key_free(id->key);

                 free(id);

                 if(retval == 1)

                     break;

             }

         }

-        ssh_close_authentication_connection(ac);

+        ssh_free_identitylist(idlist);

+        ssh_close_authentication_socket(ac->fd);

+        free(ac);

+        }

     }

     else {

         verbose("No ssh-agent could be contacted");

diff -up openssh-6.8p1/pam_ssh_agent_auth-0.9.3/identity.h.psaa-agent openssh-6.8p1/pam_ssh_agent_auth-0.9.3/identity.h

--- openssh-6.8p1/pam_ssh_agent_auth-0.9.3/identity.h.psaa-agent	2009-08-09 02:54:21.000000000 +0200

+++ openssh-6.8p1/pam_ssh_agent_auth-0.9.3/identity.h	2015-06-02 16:43:09.235902253 +0200

@@ -14,6 +14,12 @@

 typedef struct identity Identity;

 typedef struct idlist Idlist;

+typedef struct {

+       int     fd;

+       Buffer  identities;

+       int     howmany;

+}      AuthenticationConnection;

+

 struct identity {

     TAILQ_ENTRY(identity) next;

     AuthenticationConnection *ac;   /* set if agent supports key */

diff -up openssh-6.8p1/pam_ssh_agent_auth-0.9.3/userauth_pubkey_from_id.c.psaa-agent openssh-6.8p1/pam_ssh_agent_auth-0.9.3/userauth_pubkey_from_id.c

--- openssh-6.8p1/pam_ssh_agent_auth-0.9.3/userauth_pubkey_from_id.c.psaa-agent	2015-06-02 16:43:09.232902254 +0200

+++ openssh-6.8p1/pam_ssh_agent_auth-0.9.3/userauth_pubkey_from_id.c	2015-06-02 16:45:07.699822094 +0200

@@ -54,10 +54,11 @@ extern uint8_t  session_id_len;

 int

 userauth_pubkey_from_id(Identity * id)

 {

-    Buffer          b = { 0 };

+    Buffer          b;

     char           *pkalg = NULL;

     u_char         *pkblob = NULL, *sig = NULL;

-    u_int           blen = 0, slen = 0;

+    u_int           blen = 0;

+    size_t          slen = 0;

     int             authenticated = 0;

     pkalg = (char *) key_ssh_name(id->key);

@@ -65,10 +65,10 @@ userauth_pubkey_from_id(Identity * id)

     /* first test if this key is even allowed */

     if(! pam_user_key_allowed(id->key))

-        goto user_auth_clean_exit;

+        goto user_auth_clean_exit_without_buffer;

     if(key_to_blob(id->key, &pkblob, &blen) == 0)

-        goto user_auth_clean_exit;

+        goto user_auth_clean_exit_without_buffer;

     /* construct packet to sign and test */

     buffer_init(&b);

@@ -70,7 +70,7 @@ userauth_pubkey_from_id(Identity * id)

     buffer_put_cstring(&b, pkalg);

     buffer_put_string(&b, pkblob, blen);

-    if(ssh_agent_sign(id->ac, id->key, &sig, &slen, buffer_ptr(&b), buffer_len(&b)) != 0)

+    if(ssh_agent_sign(id->ac->fd, id->key, &sig, &slen, buffer_ptr(&b), buffer_len(&b), 0) != 0)

         goto user_auth_clean_exit;

     /* test for correct signature */

@@ -92,6 +92,7 @@ userauth_pubkey_from_id(Identity * id)

   user_auth_clean_exit:

     if(&b != NULL)

         buffer_free(&b);

+  user_auth_clean_exit_without_buffer:

     if(sig != NULL)

         free(sig);

     if(pkblob != NULL)