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97 lines
3.9 KiB
97 lines
3.9 KiB
9 months ago
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diff -up openssh/pam_ssh_agent_auth-0.10.3/identity.h.psaa-agent openssh/pam_ssh_agent_auth-0.10.3/identity.h
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--- openssh/pam_ssh_agent_auth-0.10.3/identity.h.psaa-agent 2016-11-13 04:24:32.000000000 +0100
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+++ openssh/pam_ssh_agent_auth-0.10.3/identity.h 2017-09-27 14:25:49.421739027 +0200
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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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+ struct sshbuf *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/pam_ssh_agent_auth-0.10.3/iterate_ssh_agent_keys.c.psaa-agent openssh/pam_ssh_agent_auth-0.10.3/iterate_ssh_agent_keys.c
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--- openssh/pam_ssh_agent_auth-0.10.3/iterate_ssh_agent_keys.c.psaa-agent 2017-09-27 14:25:49.420739021 +0200
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+++ openssh/pam_ssh_agent_auth-0.10.3/iterate_ssh_agent_keys.c 2017-09-27 14:25:49.421739027 +0200
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@@ -39,6 +39,7 @@
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#include "sshbuf.h"
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#include "sshkey.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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@@ -291,36 +292,43 @@ pamsshagentauth_find_authorized_keys(con
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{
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struct sshbuf *session_id2 = NULL;
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Identity *id;
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- struct sshkey *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;
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+ unsigned int 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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- {
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- if(key != NULL) {
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+ if ((r = ssh_fetch_identitylist(ac->fd, &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 (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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+ }
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+ }
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- sshbuf_free(session_id2);
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- ssh_close_authentication_connection(ac);
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+ sshbuf_free(session_id2);
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+ ssh_free_identitylist(idlist);
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+ }
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+ ssh_close_authentication_socket(ac->fd);
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+ free(ac);
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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/pam_ssh_agent_auth-0.10.3/userauth_pubkey_from_id.c.psaa-agent openssh/pam_ssh_agent_auth-0.10.3/userauth_pubkey_from_id.c
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--- openssh/pam_ssh_agent_auth-0.10.3/userauth_pubkey_from_id.c.psaa-agent 2017-09-27 14:25:49.420739021 +0200
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+++ openssh/pam_ssh_agent_auth-0.10.3/userauth_pubkey_from_id.c 2017-09-27 14:25:49.422739032 +0200
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@@ -84,7 +85,7 @@ userauth_pubkey_from_id(const char *ruse
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(r = sshbuf_put_string(b, pkblob, blen)) != 0)
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fatal("%s: buffer error: %s", __func__, ssh_err(r));
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- if (ssh_agent_sign(id->ac, id->key, &sig, &slen, sshbuf_ptr(b), sshbuf_len(b)) != 0)
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+ if (ssh_agent_sign(id->ac->fd, id->key, &sig, &slen, sshbuf_ptr(b), sshbuf_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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