120 lines
4.9 KiB
Diff
120 lines
4.9 KiB
Diff
diff -up openssh-7.1p2/pam_ssh_agent_auth-0.10.2/identity.h.psaa-agent openssh-7.1p2/pam_ssh_agent_auth-0.10.2/identity.h
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--- openssh-7.1p2/pam_ssh_agent_auth-0.10.2/identity.h.psaa-agent 2014-03-31 19:35:16.000000000 +0200
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+++ openssh-7.1p2/pam_ssh_agent_auth-0.10.2/identity.h 2016-01-22 15:47:15.999919059 +0100
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@@ -38,6 +38,12 @@
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typedef struct identity Identity;
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typedef struct idlist Idlist;
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+typedef struct {
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+ int fd;
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+ Buffer identities;
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+ int howmany;
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+} AuthenticationConnection;
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+
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struct identity {
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TAILQ_ENTRY(identity) next;
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AuthenticationConnection *ac; /* set if agent supports key */
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diff -up openssh-7.1p2/pam_ssh_agent_auth-0.10.2/iterate_ssh_agent_keys.c.psaa-agent openssh-7.1p2/pam_ssh_agent_auth-0.10.2/iterate_ssh_agent_keys.c
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--- openssh-7.1p2/pam_ssh_agent_auth-0.10.2/iterate_ssh_agent_keys.c.psaa-agent 2016-01-22 15:47:15.998919060 +0100
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+++ openssh-7.1p2/pam_ssh_agent_auth-0.10.2/iterate_ssh_agent_keys.c 2016-01-22 15:53:38.427768239 +0100
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@@ -39,6 +39,7 @@
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#include "buffer.h"
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#include "key.h"
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#include "authfd.h"
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+#include "ssherr.h"
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#include <stdio.h>
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#include <openssl/evp.h>
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#include "ssh2.h"
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@@ -285,36 +286,43 @@ pamsshagentauth_find_authorized_keys(con
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{
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Buffer session_id2 = { 0 };
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Identity *id;
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- Key *key;
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AuthenticationConnection *ac;
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- char *comment;
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uint8_t retval = 0;
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uid_t uid = getpwnam(ruser)->pw_uid;
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+ struct ssh_identitylist *idlist;
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+ int r, i;
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OpenSSL_add_all_digests();
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pamsshagentauth_session_id2_gen(&session_id2, user, ruser, servicename);
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if ((ac = ssh_get_authentication_connection_for_uid(uid))) {
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verbose("Contacted ssh-agent of user %s (%u)", ruser, uid);
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- for (key = ssh_get_first_identity(ac, &comment, 2); key != NULL; key = ssh_get_next_identity(ac, &comment, 2))
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+ if ((r = ssh_fetch_identitylist(ac->fd, 2,
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+ &idlist)) != 0) {
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+ if (r != SSH_ERR_AGENT_NO_IDENTITIES)
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+ fprintf(stderr, "error fetching identities for "
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+ "protocol %d: %s\n", 2, ssh_err(r));
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+ } else {
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+ for (i = 0; i < idlist->nkeys; i++)
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{
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- if(key != NULL) {
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+ if(idlist->keys[i] != NULL) {
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id = xcalloc(1, sizeof(*id));
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- id->key = key;
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- id->filename = comment;
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+ id->key = idlist->keys[i];
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+ id->filename = idlist->comments[i];
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id->ac = ac;
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if(userauth_pubkey_from_id(ruser, id, &session_id2)) {
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retval = 1;
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}
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- free(id->filename);
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- key_free(id->key);
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free(id);
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if(retval == 1)
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break;
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}
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}
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buffer_free(&session_id2);
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- ssh_close_authentication_connection(ac);
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+ ssh_free_identitylist(idlist);
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+ ssh_close_authentication_socket(ac->fd);
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+ free(ac);
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+ }
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}
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else {
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verbose("No ssh-agent could be contacted");
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diff -up openssh-7.1p2/pam_ssh_agent_auth-0.10.2/userauth_pubkey_from_id.c.psaa-agent openssh-7.1p2/pam_ssh_agent_auth-0.10.2/userauth_pubkey_from_id.c
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--- openssh-7.1p2/pam_ssh_agent_auth-0.10.2/userauth_pubkey_from_id.c.psaa-agent 2016-01-22 15:47:15.995919061 +0100
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+++ openssh-7.1p2/pam_ssh_agent_auth-0.10.2/userauth_pubkey_from_id.c 2016-01-22 16:06:20.611464261 +0100
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@@ -55,10 +55,11 @@ extern uint8_t session_id_len;
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int
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userauth_pubkey_from_id(const char *ruser, Identity * id, Buffer * session_id2)
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{
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- Buffer b = { 0 };
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+ Buffer b;
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char *pkalg = NULL;
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u_char *pkblob = NULL, *sig = NULL;
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- u_int blen = 0, slen = 0;
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+ u_int blen = 0;
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+ size_t slen = 0;
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int authenticated = 0;
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pkalg = (char *) key_ssh_name(id->key);
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@@ -82,7 +83,7 @@ userauth_pubkey_from_id(const char *ruse
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buffer_put_cstring(&b, pkalg);
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buffer_put_string(&b, pkblob, blen);
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- if(ssh_agent_sign(id->ac, id->key, &sig, &slen, buffer_ptr(&b), buffer_len(&b)) != 0)
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+ if(ssh_agent_sign(id->ac->fd, id->key, &sig, &slen, buffer_ptr(&b), buffer_len(&b), 0) != 0)
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goto user_auth_clean_exit;
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/* test for correct signature */
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diff --git a/pam_ssh_agent_auth-0.10.2/userauth_pubkey_from_id.c b/pam_ssh_agent_auth-0.10.2/userauth_pubkey_from_id.c
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--- a/pam_ssh_agent_auth-0.10.2/userauth_pubkey_from_id.c
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+++ b/pam_ssh_agent_auth-0.10.2/userauth_pubkey_from_id.c
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@@ -85,7 +85,7 @@ userauth_pubkey_from_id(const char *ruser, Identity * id, Buffer * session_id2)
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buffer_put_cstring(&b, pkalg);
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buffer_put_string(&b, pkblob, blen);
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- if(ssh_agent_sign(id->ac->fd, id->key, &sig, &slen, buffer_ptr(&b), buffer_len(&b), 0) != 0)
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+ if(ssh_agent_sign(id->ac->fd, id->key, &sig, &slen, buffer_ptr(&b), buffer_len(&b), NULL, 0) != 0)
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goto user_auth_clean_exit;
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/* test for correct signature */
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