118 lines
3.3 KiB
C
118 lines
3.3 KiB
C
/*
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* Author: Manoj Ampalam <manoj.ampalam@microsoft.com>
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*
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* Copyright (c) 2015 Microsoft Corp.
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* All rights reserved
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*
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* Protocol code that talks to public key agent using
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* https://tools.ietf.org/html/rfc4819
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "includes.h"
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#include <sys/types.h>
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#include <sys/un.h>
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#include <sys/socket.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include "xmalloc.h"
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#include "ssh.h"
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#include "rsa.h"
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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 "cipher.h"
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#include "compat.h"
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#include "log.h"
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#include "atomicio.h"
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#include "misc.h"
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#include "ssherr.h"
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#include "pubkeyfd.h"
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#define MAX_AGENT_IDENTITIES 2048 /* Max keys in agent reply */
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#define MAX_AGENT_REPLY_LEN (256 * 1024) /* Max bytes in agent reply */
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/* macro to check for "agent failure" message */
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#define agent_failed(x) \
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((x == SSH_AGENT_FAILURE) || \
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(x == SSH_COM_AGENT2_FAILURE) || \
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(x == SSH2_AGENT_FAILURE))
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int
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ssh_request_reply(int , struct sshbuf *, struct sshbuf *);
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int ssh_add_pubkey(int sock, struct sshkey *key, const char *comment, const char* password) {
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struct sshbuf *msg;
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u_char *blob = NULL, *status = NULL, *description = NULL, *lang_tag = NULL;
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size_t blen = 0;
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int r, status_code;
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if ((msg = sshbuf_new()) == NULL)
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return SSH_ERR_ALLOC_FAIL;
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if ((r = sshkey_to_blob(key, &blob, &blen)) != 0)
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goto out;
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if ((r = sshbuf_put_cstring(msg, PK_REQUEST_ADD)) != 0 ||
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(r = sshbuf_put_string(msg, blob, blen)) != 0 ||
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(r = sshbuf_put_u32(msg, 1)) != 0 ||
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(r = sshbuf_put_cstring(msg, "comment")) != 0 ||
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(r = sshbuf_put_cstring(msg, comment)) != 0 ||
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(r = sshbuf_put_u8(msg, 1)) != 0)
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goto out;
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if ((r = ssh_request_reply(sock, msg, msg) != 0))
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goto out;
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out:
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if (blob)
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free(blob);
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return r;
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}
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int ssh_list_pubkeys(int sock, struct ssh_identitylist **idlp) {
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return 0;
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}
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int ssh_remove_pubkey(int sock, struct sshkey *key) {
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return 0;
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}
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int ssh_remove_pubkey_by_fp(int sock, const char *fingerprint) {
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return 0;
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}
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int ssh_remove_all_pubkeys(int sock) {
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return 0;
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}
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