--- /dev/null
+/*
+ * Copyright (c) 2001 Markus Friedl. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "includes.h"
+RCSID("$OpenBSD: kexdhc.c,v 1.1 2003/02/16 17:09:57 markus Exp $");
+
+#include "xmalloc.h"
+#include "key.h"
+#include "kex.h"
+#include "log.h"
+#include "packet.h"
+#include "dh.h"
+#include "ssh2.h"
+
+void
+kexdh_client(Kex *kex)
+{
+ BIGNUM *dh_server_pub = NULL, *shared_secret = NULL;
+ DH *dh;
+ Key *server_host_key;
+ u_char *server_host_key_blob = NULL, *signature = NULL;
+ u_char *kbuf, *hash;
+ u_int klen, kout, slen, sbloblen;
+
+ /* generate and send 'e', client DH public key */
+ dh = dh_new_group1();
+ dh_gen_key(dh, kex->we_need * 8);
+ packet_start(SSH2_MSG_KEXDH_INIT);
+ packet_put_bignum2(dh->pub_key);
+ packet_send();
+
+ debug("sending SSH2_MSG_KEXDH_INIT");
+#ifdef DEBUG_KEXDH
+ DHparams_print_fp(stderr, dh);
+ fprintf(stderr, "pub= ");
+ BN_print_fp(stderr, dh->pub_key);
+ fprintf(stderr, "\n");
+#endif
+
+ debug("expecting SSH2_MSG_KEXDH_REPLY");
+ packet_read_expect(SSH2_MSG_KEXDH_REPLY);
+
+ /* key, cert */
+ server_host_key_blob = packet_get_string(&sbloblen);
+ server_host_key = key_from_blob(server_host_key_blob, sbloblen);
+ if (server_host_key == NULL)
+ fatal("cannot decode server_host_key_blob");
+ if (server_host_key->type != kex->hostkey_type)
+ fatal("type mismatch for decoded server_host_key_blob");
+ if (kex->verify_host_key == NULL)
+ fatal("cannot verify server_host_key");
+ if (kex->verify_host_key(server_host_key) == -1)
+ fatal("server_host_key verification failed");
+
+ /* DH paramter f, server public DH key */
+ if ((dh_server_pub = BN_new()) == NULL)
+ fatal("dh_server_pub == NULL");
+ packet_get_bignum2(dh_server_pub);
+
+#ifdef DEBUG_KEXDH
+ fprintf(stderr, "dh_server_pub= ");
+ BN_print_fp(stderr, dh_server_pub);
+ fprintf(stderr, "\n");
+ debug("bits %d", BN_num_bits(dh_server_pub));
+#endif
+
+ /* signed H */
+ signature = packet_get_string(&slen);
+ packet_check_eom();
+
+ if (!dh_pub_is_valid(dh, dh_server_pub))
+ packet_disconnect("bad server public DH value");
+
+ klen = DH_size(dh);
+ kbuf = xmalloc(klen);
+ kout = DH_compute_key(kbuf, dh_server_pub, dh);
+#ifdef DEBUG_KEXDH
+ dump_digest("shared secret", kbuf, kout);
+#endif
+ if ((shared_secret = BN_new()) == NULL)
+ fatal("kexdh_client: BN_new failed");
+ BN_bin2bn(kbuf, kout, shared_secret);
+ memset(kbuf, 0, klen);
+ xfree(kbuf);
+
+ /* calc and verify H */
+ hash = kex_dh_hash(
+ kex->client_version_string,
+ kex->server_version_string,
+ buffer_ptr(&kex->my), buffer_len(&kex->my),
+ buffer_ptr(&kex->peer), buffer_len(&kex->peer),
+ server_host_key_blob, sbloblen,
+ dh->pub_key,
+ dh_server_pub,
+ shared_secret
+ );
+ xfree(server_host_key_blob);
+ BN_clear_free(dh_server_pub);
+ DH_free(dh);
+
+ if (key_verify(server_host_key, signature, slen, hash, 20) != 1)
+ fatal("key_verify failed for server_host_key");
+ key_free(server_host_key);
+ xfree(signature);
+
+ /* save session id */
+ if (kex->session_id == NULL) {
+ kex->session_id_len = 20;
+ kex->session_id = xmalloc(kex->session_id_len);
+ memcpy(kex->session_id, hash, kex->session_id_len);
+ }
+
+ kex_derive_keys(kex, hash, shared_secret);
+ BN_clear_free(shared_secret);
+ kex_finish(kex);
+}
--- /dev/null
+/*
+ * Copyright (c) 2001 Markus Friedl. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "includes.h"
+RCSID("$OpenBSD: kexdhs.c,v 1.1 2003/02/16 17:09:57 markus Exp $");
+
+#include "xmalloc.h"
+#include "key.h"
+#include "kex.h"
+#include "log.h"
+#include "packet.h"
+#include "dh.h"
+#include "ssh2.h"
+#include "monitor_wrap.h"
+
+void
+kexdh_server(Kex *kex)
+{
+ BIGNUM *shared_secret = NULL, *dh_client_pub = NULL;
+ DH *dh;
+ Key *server_host_key;
+ u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL;
+ u_int sbloblen, klen, kout;
+ u_int slen;
+
+ /* generate server DH public key */
+ dh = dh_new_group1();
+ dh_gen_key(dh, kex->we_need * 8);
+
+ debug("expecting SSH2_MSG_KEXDH_INIT");
+ packet_read_expect(SSH2_MSG_KEXDH_INIT);
+
+ if (kex->load_host_key == NULL)
+ fatal("Cannot load hostkey");
+ server_host_key = kex->load_host_key(kex->hostkey_type);
+ if (server_host_key == NULL)
+ fatal("Unsupported hostkey type %d", kex->hostkey_type);
+
+ /* key, cert */
+ if ((dh_client_pub = BN_new()) == NULL)
+ fatal("dh_client_pub == NULL");
+ packet_get_bignum2(dh_client_pub);
+ packet_check_eom();
+
+#ifdef DEBUG_KEXDH
+ fprintf(stderr, "dh_client_pub= ");
+ BN_print_fp(stderr, dh_client_pub);
+ fprintf(stderr, "\n");
+ debug("bits %d", BN_num_bits(dh_client_pub));
+#endif
+
+#ifdef DEBUG_KEXDH
+ DHparams_print_fp(stderr, dh);
+ fprintf(stderr, "pub= ");
+ BN_print_fp(stderr, dh->pub_key);
+ fprintf(stderr, "\n");
+#endif
+ if (!dh_pub_is_valid(dh, dh_client_pub))
+ packet_disconnect("bad client public DH value");
+
+ klen = DH_size(dh);
+ kbuf = xmalloc(klen);
+ kout = DH_compute_key(kbuf, dh_client_pub, dh);
+#ifdef DEBUG_KEXDH
+ dump_digest("shared secret", kbuf, kout);
+#endif
+ if ((shared_secret = BN_new()) == NULL)
+ fatal("kexdh_server: BN_new failed");
+ BN_bin2bn(kbuf, kout, shared_secret);
+ memset(kbuf, 0, klen);
+ xfree(kbuf);
+
+ key_to_blob(server_host_key, &server_host_key_blob, &sbloblen);
+
+ /* calc H */
+ hash = kex_dh_hash(
+ kex->client_version_string,
+ kex->server_version_string,
+ buffer_ptr(&kex->peer), buffer_len(&kex->peer),
+ buffer_ptr(&kex->my), buffer_len(&kex->my),
+ server_host_key_blob, sbloblen,
+ dh_client_pub,
+ dh->pub_key,
+ shared_secret
+ );
+ BN_clear_free(dh_client_pub);
+
+ /* save session id := H */
+ /* XXX hashlen depends on KEX */
+ if (kex->session_id == NULL) {
+ kex->session_id_len = 20;
+ kex->session_id = xmalloc(kex->session_id_len);
+ memcpy(kex->session_id, hash, kex->session_id_len);
+ }
+
+ /* sign H */
+ /* XXX hashlen depends on KEX */
+ PRIVSEP(key_sign(server_host_key, &signature, &slen, hash, 20));
+
+ /* destroy_sensitive_data(); */
+
+ /* send server hostkey, DH pubkey 'f' and singed H */
+ packet_start(SSH2_MSG_KEXDH_REPLY);
+ packet_put_string(server_host_key_blob, sbloblen);
+ packet_put_bignum2(dh->pub_key); /* f */
+ packet_put_string(signature, slen);
+ packet_send();
+
+ xfree(signature);
+ xfree(server_host_key_blob);
+ /* have keys, free DH */
+ DH_free(dh);
+
+ kex_derive_keys(kex, hash, shared_secret);
+ BN_clear_free(shared_secret);
+ kex_finish(kex);
+}
--- /dev/null
+/*
+ * Copyright (c) 2000 Niels Provos. All rights reserved.
+ * Copyright (c) 2001 Markus Friedl. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "includes.h"
+RCSID("$OpenBSD: kexgexc.c,v 1.1 2003/02/16 17:09:57 markus Exp $");
+
+#include "xmalloc.h"
+#include "key.h"
+#include "kex.h"
+#include "log.h"
+#include "packet.h"
+#include "dh.h"
+#include "ssh2.h"
+#include "compat.h"
+
+void
+kexgex_client(Kex *kex)
+{
+ BIGNUM *dh_server_pub = NULL, *shared_secret = NULL;
+ BIGNUM *p = NULL, *g = NULL;
+ Key *server_host_key;
+ u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL;
+ u_int klen, kout, slen, sbloblen;
+ int min, max, nbits;
+ DH *dh;
+
+ nbits = dh_estimate(kex->we_need * 8);
+
+ if (datafellows & SSH_OLD_DHGEX) {
+ debug("SSH2_MSG_KEX_DH_GEX_REQUEST_OLD sent");
+
+ /* Old GEX request */
+ packet_start(SSH2_MSG_KEX_DH_GEX_REQUEST_OLD);
+ packet_put_int(nbits);
+ min = DH_GRP_MIN;
+ max = DH_GRP_MAX;
+ } else {
+ debug("SSH2_MSG_KEX_DH_GEX_REQUEST sent");
+
+ /* New GEX request */
+ min = DH_GRP_MIN;
+ max = DH_GRP_MAX;
+ packet_start(SSH2_MSG_KEX_DH_GEX_REQUEST);
+ packet_put_int(min);
+ packet_put_int(nbits);
+ packet_put_int(max);
+ }
+#ifdef DEBUG_KEXDH
+ fprintf(stderr, "\nmin = %d, nbits = %d, max = %d\n",
+ min, nbits, max);
+#endif
+ packet_send();
+
+ debug("expecting SSH2_MSG_KEX_DH_GEX_GROUP");
+ packet_read_expect(SSH2_MSG_KEX_DH_GEX_GROUP);
+
+ if ((p = BN_new()) == NULL)
+ fatal("BN_new");
+ packet_get_bignum2(p);
+ if ((g = BN_new()) == NULL)
+ fatal("BN_new");
+ packet_get_bignum2(g);
+ packet_check_eom();
+
+ if (BN_num_bits(p) < min || BN_num_bits(p) > max)
+ fatal("DH_GEX group out of range: %d !< %d !< %d",
+ min, BN_num_bits(p), max);
+
+ dh = dh_new_group(g, p);
+ dh_gen_key(dh, kex->we_need * 8);
+
+#ifdef DEBUG_KEXDH
+ DHparams_print_fp(stderr, dh);
+ fprintf(stderr, "pub= ");
+ BN_print_fp(stderr, dh->pub_key);
+ fprintf(stderr, "\n");
+#endif
+
+ debug("SSH2_MSG_KEX_DH_GEX_INIT sent");
+ /* generate and send 'e', client DH public key */
+ packet_start(SSH2_MSG_KEX_DH_GEX_INIT);
+ packet_put_bignum2(dh->pub_key);
+ packet_send();
+
+ debug("expecting SSH2_MSG_KEX_DH_GEX_REPLY");
+ packet_read_expect(SSH2_MSG_KEX_DH_GEX_REPLY);
+
+ /* key, cert */
+ server_host_key_blob = packet_get_string(&sbloblen);
+ server_host_key = key_from_blob(server_host_key_blob, sbloblen);
+ if (server_host_key == NULL)
+ fatal("cannot decode server_host_key_blob");
+ if (server_host_key->type != kex->hostkey_type)
+ fatal("type mismatch for decoded server_host_key_blob");
+ if (kex->verify_host_key == NULL)
+ fatal("cannot verify server_host_key");
+ if (kex->verify_host_key(server_host_key) == -1)
+ fatal("server_host_key verification failed");
+
+ /* DH paramter f, server public DH key */
+ if ((dh_server_pub = BN_new()) == NULL)
+ fatal("dh_server_pub == NULL");
+ packet_get_bignum2(dh_server_pub);
+
+#ifdef DEBUG_KEXDH
+ fprintf(stderr, "dh_server_pub= ");
+ BN_print_fp(stderr, dh_server_pub);
+ fprintf(stderr, "\n");
+ debug("bits %d", BN_num_bits(dh_server_pub));
+#endif
+
+ /* signed H */
+ signature = packet_get_string(&slen);
+ packet_check_eom();
+
+ if (!dh_pub_is_valid(dh, dh_server_pub))
+ packet_disconnect("bad server public DH value");
+
+ klen = DH_size(dh);
+ kbuf = xmalloc(klen);
+ kout = DH_compute_key(kbuf, dh_server_pub, dh);
+#ifdef DEBUG_KEXDH
+ dump_digest("shared secret", kbuf, kout);
+#endif
+ if ((shared_secret = BN_new()) == NULL)
+ fatal("kexgex_client: BN_new failed");
+ BN_bin2bn(kbuf, kout, shared_secret);
+ memset(kbuf, 0, klen);
+ xfree(kbuf);
+
+ if (datafellows & SSH_OLD_DHGEX)
+ min = max = -1;
+
+ /* calc and verify H */
+ hash = kexgex_hash(
+ kex->client_version_string,
+ kex->server_version_string,
+ buffer_ptr(&kex->my), buffer_len(&kex->my),
+ buffer_ptr(&kex->peer), buffer_len(&kex->peer),
+ server_host_key_blob, sbloblen,
+ min, nbits, max,
+ dh->p, dh->g,
+ dh->pub_key,
+ dh_server_pub,
+ shared_secret
+ );
+ /* have keys, free DH */
+ DH_free(dh);
+ xfree(server_host_key_blob);
+ BN_clear_free(dh_server_pub);
+
+ if (key_verify(server_host_key, signature, slen, hash, 20) != 1)
+ fatal("key_verify failed for server_host_key");
+ key_free(server_host_key);
+ xfree(signature);
+
+ /* save session id */
+ if (kex->session_id == NULL) {
+ kex->session_id_len = 20;
+ kex->session_id = xmalloc(kex->session_id_len);
+ memcpy(kex->session_id, hash, kex->session_id_len);
+ }
+ kex_derive_keys(kex, hash, shared_secret);
+ BN_clear_free(shared_secret);
+
+ kex_finish(kex);
+}
--- /dev/null
+/*
+ * Copyright (c) 2000 Niels Provos. All rights reserved.
+ * Copyright (c) 2001 Markus Friedl. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "includes.h"
+RCSID("$OpenBSD: kexgexs.c,v 1.1 2003/02/16 17:09:57 markus Exp $");
+
+#include "xmalloc.h"
+#include "key.h"
+#include "kex.h"
+#include "log.h"
+#include "packet.h"
+#include "dh.h"
+#include "ssh2.h"
+#include "compat.h"
+#include "monitor_wrap.h"
+
+void
+kexgex_server(Kex *kex)
+{
+ BIGNUM *shared_secret = NULL, *dh_client_pub = NULL;
+ Key *server_host_key;
+ DH *dh;
+ u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL;
+ u_int sbloblen, klen, kout, slen;
+ int min = -1, max = -1, nbits = -1, type;
+
+ if (kex->load_host_key == NULL)
+ fatal("Cannot load hostkey");
+ server_host_key = kex->load_host_key(kex->hostkey_type);
+ if (server_host_key == NULL)
+ fatal("Unsupported hostkey type %d", kex->hostkey_type);
+
+ type = packet_read();
+ switch (type) {
+ case SSH2_MSG_KEX_DH_GEX_REQUEST:
+ debug("SSH2_MSG_KEX_DH_GEX_REQUEST received");
+ min = packet_get_int();
+ nbits = packet_get_int();
+ max = packet_get_int();
+ min = MAX(DH_GRP_MIN, min);
+ max = MIN(DH_GRP_MAX, max);
+ break;
+ case SSH2_MSG_KEX_DH_GEX_REQUEST_OLD:
+ debug("SSH2_MSG_KEX_DH_GEX_REQUEST_OLD received");
+ nbits = packet_get_int();
+ min = DH_GRP_MIN;
+ max = DH_GRP_MAX;
+ /* unused for old GEX */
+ break;
+ default:
+ fatal("protocol error during kex, no DH_GEX_REQUEST: %d", type);
+ }
+ packet_check_eom();
+
+ if (max < min || nbits < min || max < nbits)
+ fatal("DH_GEX_REQUEST, bad parameters: %d !< %d !< %d",
+ min, nbits, max);
+
+ /* Contact privileged parent */
+ dh = PRIVSEP(choose_dh(min, nbits, max));
+ if (dh == NULL)
+ packet_disconnect("Protocol error: no matching DH grp found");
+
+ debug("SSH2_MSG_KEX_DH_GEX_GROUP sent");
+ packet_start(SSH2_MSG_KEX_DH_GEX_GROUP);
+ packet_put_bignum2(dh->p);
+ packet_put_bignum2(dh->g);
+ packet_send();
+
+ /* flush */
+ packet_write_wait();
+
+ /* Compute our exchange value in parallel with the client */
+ dh_gen_key(dh, kex->we_need * 8);
+
+ debug("expecting SSH2_MSG_KEX_DH_GEX_INIT");
+ packet_read_expect(SSH2_MSG_KEX_DH_GEX_INIT);
+
+ /* key, cert */
+ if ((dh_client_pub = BN_new()) == NULL)
+ fatal("dh_client_pub == NULL");
+ packet_get_bignum2(dh_client_pub);
+ packet_check_eom();
+
+#ifdef DEBUG_KEXDH
+ fprintf(stderr, "dh_client_pub= ");
+ BN_print_fp(stderr, dh_client_pub);
+ fprintf(stderr, "\n");
+ debug("bits %d", BN_num_bits(dh_client_pub));
+#endif
+
+#ifdef DEBUG_KEXDH
+ DHparams_print_fp(stderr, dh);
+ fprintf(stderr, "pub= ");
+ BN_print_fp(stderr, dh->pub_key);
+ fprintf(stderr, "\n");
+#endif
+ if (!dh_pub_is_valid(dh, dh_client_pub))
+ packet_disconnect("bad client public DH value");
+
+ klen = DH_size(dh);
+ kbuf = xmalloc(klen);
+ kout = DH_compute_key(kbuf, dh_client_pub, dh);
+#ifdef DEBUG_KEXDH
+ dump_digest("shared secret", kbuf, kout);
+#endif
+ if ((shared_secret = BN_new()) == NULL)
+ fatal("kexgex_server: BN_new failed");
+ BN_bin2bn(kbuf, kout, shared_secret);
+ memset(kbuf, 0, klen);
+ xfree(kbuf);
+
+ key_to_blob(server_host_key, &server_host_key_blob, &sbloblen);
+
+ if (type == SSH2_MSG_KEX_DH_GEX_REQUEST_OLD)
+ min = max = -1;
+
+ /* calc H */ /* XXX depends on 'kex' */
+ hash = kexgex_hash(
+ kex->client_version_string,
+ kex->server_version_string,
+ buffer_ptr(&kex->peer), buffer_len(&kex->peer),
+ buffer_ptr(&kex->my), buffer_len(&kex->my),
+ server_host_key_blob, sbloblen,
+ min, nbits, max,
+ dh->p, dh->g,
+ dh_client_pub,
+ dh->pub_key,
+ shared_secret
+ );
+ BN_clear_free(dh_client_pub);
+
+ /* save session id := H */
+ /* XXX hashlen depends on KEX */
+ if (kex->session_id == NULL) {
+ kex->session_id_len = 20;
+ kex->session_id = xmalloc(kex->session_id_len);
+ memcpy(kex->session_id, hash, kex->session_id_len);
+ }
+
+ /* sign H */
+ /* XXX hashlen depends on KEX */
+ PRIVSEP(key_sign(server_host_key, &signature, &slen, hash, 20));
+
+ /* destroy_sensitive_data(); */
+
+ /* send server hostkey, DH pubkey 'f' and singed H */
+ debug("SSH2_MSG_KEX_DH_GEX_REPLY sent");
+ packet_start(SSH2_MSG_KEX_DH_GEX_REPLY);
+ packet_put_string(server_host_key_blob, sbloblen);
+ packet_put_bignum2(dh->pub_key); /* f */
+ packet_put_string(signature, slen);
+ packet_send();
+
+ xfree(signature);
+ xfree(server_host_key_blob);
+ /* have keys, free DH */
+ DH_free(dh);
+
+ kex_derive_keys(kex, hash, shared_secret);
+ BN_clear_free(shared_secret);
+
+ kex_finish(kex);
+}
--- /dev/null
+/* $OpenBSD: basename.c,v 1.8 2002/06/09 05:03:59 deraadt Exp $ */
+
+/*
+ * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "includes.h"
+
+#if !defined(HAVE_BASENAME)
+
+#ifndef lint
+static char rcsid[] = "$OpenBSD: basename.c,v 1.8 2002/06/09 05:03:59 deraadt Exp $";
+#endif /* not lint */
+
+char *
+basename(const char *path)
+{
+ static char bname[MAXPATHLEN];
+ register const char *endp, *startp;
+
+ /* Empty or NULL string gets treated as "." */
+ if (path == NULL || *path == '\0') {
+ (void)strlcpy(bname, ".", sizeof bname);
+ return(bname);
+ }
+
+ /* Strip trailing slashes */
+ endp = path + strlen(path) - 1;
+ while (endp > path && *endp == '/')
+ endp--;
+
+ /* All slashes become "/" */
+ if (endp == path && *endp == '/') {
+ (void)strlcpy(bname, "/", sizeof bname);
+ return(bname);
+ }
+
+ /* Find the start of the base */
+ startp = endp;
+ while (startp > path && *(startp - 1) != '/')
+ startp--;
+
+ if (endp - startp + 2 > sizeof(bname)) {
+ errno = ENAMETOOLONG;
+ return(NULL);
+ }
+ strlcpy(bname, startp, endp - startp + 2);
+ return(bname);
+}
+
+#endif /* !defined(HAVE_BASENAME) */
--- /dev/null
+/* $Id$ */
+
+#ifndef _BASENAME_H
+#define _BASENAME_H
+#include "config.h"
+
+#if !defined(HAVE_BASENAME)
+
+char *basename(const char *path);
+
+#endif /* !defined(HAVE_BASENAME) */
+#endif /* _BASENAME_H */
--- /dev/null
+/*-
+ * Copyright (c) 1989, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#include "config.h"
+#if !defined(HAVE_STRNVIS)
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char rcsid[] = "$OpenBSD: vis.c,v 1.8 2002/02/19 19:39:36 millert Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <ctype.h>
+
+#include "vis.h"
+
+#define isoctal(c) (((u_char)(c)) >= '0' && ((u_char)(c)) <= '7')
+#define isvisible(c) (((u_int)(c) <= UCHAR_MAX && isascii((u_char)(c)) && \
+ isgraph((u_char)(c))) || \
+ ((flag & VIS_SP) == 0 && (c) == ' ') || \
+ ((flag & VIS_TAB) == 0 && (c) == '\t') || \
+ ((flag & VIS_NL) == 0 && (c) == '\n') || \
+ ((flag & VIS_SAFE) && \
+ ((c) == '\b' || (c) == '\007' || (c) == '\r')))
+
+/*
+ * vis - visually encode characters
+ */
+char *
+vis(dst, c, flag, nextc)
+ register char *dst;
+ int c, nextc;
+ register int flag;
+{
+ if (isvisible(c)) {
+ *dst++ = c;
+ if (c == '\\' && (flag & VIS_NOSLASH) == 0)
+ *dst++ = '\\';
+ *dst = '\0';
+ return (dst);
+ }
+
+ if (flag & VIS_CSTYLE) {
+ switch(c) {
+ case '\n':
+ *dst++ = '\\';
+ *dst++ = 'n';
+ goto done;
+ case '\r':
+ *dst++ = '\\';
+ *dst++ = 'r';
+ goto done;
+ case '\b':
+ *dst++ = '\\';
+ *dst++ = 'b';
+ goto done;
+ case '\a':
+ *dst++ = '\\';
+ *dst++ = 'a';
+ goto done;
+ case '\v':
+ *dst++ = '\\';
+ *dst++ = 'v';
+ goto done;
+ case '\t':
+ *dst++ = '\\';
+ *dst++ = 't';
+ goto done;
+ case '\f':
+ *dst++ = '\\';
+ *dst++ = 'f';
+ goto done;
+ case ' ':
+ *dst++ = '\\';
+ *dst++ = 's';
+ goto done;
+ case '\0':
+ *dst++ = '\\';
+ *dst++ = '0';
+ if (isoctal(nextc)) {
+ *dst++ = '0';
+ *dst++ = '0';
+ }
+ goto done;
+ }
+ }
+ if (((c & 0177) == ' ') || (flag & VIS_OCTAL)) {
+ *dst++ = '\\';
+ *dst++ = ((u_char)c >> 6 & 07) + '0';
+ *dst++ = ((u_char)c >> 3 & 07) + '0';
+ *dst++ = ((u_char)c & 07) + '0';
+ goto done;
+ }
+ if ((flag & VIS_NOSLASH) == 0)
+ *dst++ = '\\';
+ if (c & 0200) {
+ c &= 0177;
+ *dst++ = 'M';
+ }
+ if (iscntrl(c)) {
+ *dst++ = '^';
+ if (c == 0177)
+ *dst++ = '?';
+ else
+ *dst++ = c + '@';
+ } else {
+ *dst++ = '-';
+ *dst++ = c;
+ }
+done:
+ *dst = '\0';
+ return (dst);
+}
+
+/*
+ * strvis, strnvis, strvisx - visually encode characters from src into dst
+ *
+ * Dst must be 4 times the size of src to account for possible
+ * expansion. The length of dst, not including the trailing NULL,
+ * is returned.
+ *
+ * Strnvis will write no more than siz-1 bytes (and will NULL terminate).
+ * The number of bytes needed to fully encode the string is returned.
+ *
+ * Strvisx encodes exactly len bytes from src into dst.
+ * This is useful for encoding a block of data.
+ */
+int
+strvis(dst, src, flag)
+ register char *dst;
+ register const char *src;
+ int flag;
+{
+ register char c;
+ char *start;
+
+ for (start = dst; (c = *src);)
+ dst = vis(dst, c, flag, *++src);
+ *dst = '\0';
+ return (dst - start);
+}
+
+int
+strnvis(dst, src, siz, flag)
+ register char *dst;
+ register const char *src;
+ size_t siz;
+ int flag;
+{
+ register char c;
+ char *start, *end;
+
+ for (start = dst, end = start + siz - 1; (c = *src) && dst < end; ) {
+ if (isvisible(c)) {
+ *dst++ = c;
+ if (c == '\\' && (flag & VIS_NOSLASH) == 0) {
+ /* need space for the extra '\\' */
+ if (dst < end)
+ *dst++ = '\\';
+ else {
+ dst--;
+ break;
+ }
+ }
+ src++;
+ } else {
+ /* vis(3) requires up to 4 chars */
+ if (dst + 3 < end)
+ dst = vis(dst, c, flag, *++src);
+ else
+ break;
+ }
+ }
+ *dst = '\0';
+ if (dst >= end) {
+ char tbuf[5];
+
+ /* adjust return value for truncation */
+ while ((c = *src))
+ dst += vis(tbuf, c, flag, *++src) - tbuf;
+ }
+ return (dst - start);
+}
+
+int
+strvisx(dst, src, len, flag)
+ register char *dst;
+ register const char *src;
+ register size_t len;
+ int flag;
+{
+ register char c;
+ char *start;
+
+ for (start = dst; len > 1; len--) {
+ c = *src;
+ dst = vis(dst, c, flag, *++src);
+ }
+ if (len)
+ dst = vis(dst, *src, flag, '\0');
+ *dst = '\0';
+ return (dst - start);
+}
+
+#endif
--- /dev/null
+/* $OpenBSD: vis.h,v 1.5 2002/02/16 21:27:17 millert Exp $ */
+/* $NetBSD: vis.h,v 1.4 1994/10/26 00:56:41 cgd Exp $ */
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)vis.h 5.9 (Berkeley) 4/3/91
+ */
+#include "config.h"
+#if !defined(HAVE_STRNVIS)
+
+#ifndef _VIS_H_
+#define _VIS_H_
+
+#include <sys/types.h>
+#include <limits.h>
+
+/*
+ * to select alternate encoding format
+ */
+#define VIS_OCTAL 0x01 /* use octal \ddd format */
+#define VIS_CSTYLE 0x02 /* use \[nrft0..] where appropriate */
+
+/*
+ * to alter set of characters encoded (default is to encode all
+ * non-graphic except space, tab, and newline).
+ */
+#define VIS_SP 0x04 /* also encode space */
+#define VIS_TAB 0x08 /* also encode tab */
+#define VIS_NL 0x10 /* also encode newline */
+#define VIS_WHITE (VIS_SP | VIS_TAB | VIS_NL)
+#define VIS_SAFE 0x20 /* only encode "unsafe" characters */
+
+/*
+ * other
+ */
+#define VIS_NOSLASH 0x40 /* inhibit printing '\' */
+
+/*
+ * unvis return codes
+ */
+#define UNVIS_VALID 1 /* character valid */
+#define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */
+#define UNVIS_NOCHAR 3 /* valid sequence, no character produced */
+#define UNVIS_SYNBAD -1 /* unrecognized escape sequence */
+#define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */
+
+/*
+ * unvis flags
+ */
+#define UNVIS_END 1 /* no more characters */
+
+char *vis(char *, int, int, int);
+int strvis(char *, const char *, int);
+int strnvis(char *, const char *, size_t, int);
+int strvisx(char *, const char *, size_t, int);
+int strunvis(char *, const char *);
+int unvis(char *, char, int *, int);
+
+#endif /* !_VIS_H_ */
+
+#endif /* !HAVE_STRNVIS */
--- /dev/null
+/*
+ * Copyright (c) 1999 Theo de Raadt. All rights reserved.
+ * Copyright (c) 1999 Aaron Campbell. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Parts from:
+ *
+ * Copyright (c) 1983, 1990, 1992, 1993, 1995
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#include "includes.h"
+RCSID("$OpenBSD: progressmeter.c,v 1.3 2003/03/17 10:38:38 markus Exp $");
+
+#ifdef HAVE_LIBGEN_H
+#include <libgen.h>
+#endif
+
+#include "atomicio.h"
+#include "progressmeter.h"
+
+/* Number of seconds before xfer considered "stalled". */
+#define STALLTIME 5
+/* alarm() interval for updating progress meter. */
+#define PROGRESSTIME 1
+
+/* Signal handler used for updating the progress meter. */
+static void update_progress_meter(int);
+
+/* Returns non-zero if we are the foreground process. */
+static int foregroundproc(void);
+
+/* Returns width of the terminal (for progress meter calculations). */
+static int get_tty_width(void);
+
+/* Visual statistics about files as they are transferred. */
+static void draw_progress_meter(void);
+
+/* Time a transfer started. */
+static struct timeval start;
+
+/* Number of bytes of current file transferred so far. */
+static volatile off_t *statbytes;
+
+/* Total size of current file. */
+static off_t totalbytes;
+
+/* Name of current file being transferred. */
+static char *curfile;
+
+/* Time of last update. */
+static struct timeval lastupdate;
+
+/* Size at the time of the last update. */
+static off_t lastsize;
+
+void
+start_progress_meter(char *file, off_t filesize, off_t *counter)
+{
+ if ((curfile = basename(file)) == NULL)
+ curfile = file;
+
+ totalbytes = filesize;
+ statbytes = counter;
+ (void) gettimeofday(&start, (struct timezone *) 0);
+ lastupdate = start;
+ lastsize = 0;
+
+ draw_progress_meter();
+ signal(SIGALRM, update_progress_meter);
+ alarm(PROGRESSTIME);
+}
+
+void
+stop_progress_meter()
+{
+ alarm(0);
+ draw_progress_meter();
+ if (foregroundproc() != 0)
+ atomicio(write, fileno(stdout), "\n", 1);
+}
+
+static void
+update_progress_meter(int ignore)
+{
+ int save_errno = errno;
+
+ draw_progress_meter();
+ signal(SIGALRM, update_progress_meter);
+ alarm(PROGRESSTIME);
+ errno = save_errno;
+}
+
+static int
+foregroundproc(void)
+{
+ static pid_t pgrp = -1;
+ int ctty_pgrp;
+
+ if (pgrp == -1)
+ pgrp = getpgrp();
+
+#ifdef HAVE_TCGETPGRP
+ return ((ctty_pgrp = tcgetpgrp(STDOUT_FILENO)) != -1 &&
+ ctty_pgrp == pgrp);
+#else
+ return ((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 &&
+ ctty_pgrp == pgrp));
+#endif
+}
+
+static void
+draw_progress_meter()
+{
+ static const char spaces[] = " "
+ " "
+ " "
+ " "
+ " "
+ " ";
+ static const char prefixes[] = " KMGTP";
+ struct timeval now, td, wait;
+ off_t cursize, abbrevsize, bytespersec;
+ double elapsed;
+ int ratio, remaining, i, ai, bi, nspaces;
+ char buf[512];
+
+ if (foregroundproc() == 0)
+ return;
+
+ (void) gettimeofday(&now, (struct timezone *) 0);
+ cursize = *statbytes;
+ if (totalbytes != 0) {
+ ratio = 100.0 * cursize / totalbytes;
+ ratio = MAX(ratio, 0);
+ ratio = MIN(ratio, 100);
+ } else
+ ratio = 100;
+
+ abbrevsize = cursize;
+ for (ai = 0; abbrevsize >= 10000 && ai < sizeof(prefixes); ai++)
+ abbrevsize >>= 10;
+
+ timersub(&now, &lastupdate, &wait);
+ if (cursize > lastsize) {
+ lastupdate = now;
+ lastsize = cursize;
+ wait.tv_sec = 0;
+ }
+ timersub(&now, &start, &td);
+ elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
+
+ bytespersec = 0;
+ if (cursize > 0) {
+ bytespersec = cursize;
+ if (elapsed > 0.0)
+ bytespersec /= elapsed;
+ }
+ for (bi = 1; bytespersec >= 1024000 && bi < sizeof(prefixes); bi++)
+ bytespersec >>= 10;
+
+ nspaces = MIN(get_tty_width() - 79, sizeof(spaces) - 1);
+
+#ifdef HAVE_LONG_LONG_INT
+ snprintf(buf, sizeof(buf),
+ "\r%-45.45s%.*s%3d%% %4lld%c%c %3lld.%01d%cB/s",
+ curfile,
+ nspaces,
+ spaces,
+ ratio,
+ (long long)abbrevsize,
+ prefixes[ai],
+ ai == 0 ? ' ' : 'B',
+ (long long)(bytespersec / 1024),
+ (int)((bytespersec % 1024) * 10 / 1024),
+ prefixes[bi]
+ );
+#else
+ /* XXX: Handle integer overflow? */
+ snprintf(buf, sizeof(buf),
+ "\r%-45.45s%.*s%3d%% %4lu%c%c %3lu.%01d%cB/s",
+ curfile,
+ nspaces,
+ spaces,
+ ratio,
+ (u_long)abbrevsize,
+ prefixes[ai],
+ ai == 0 ? ' ' : 'B',
+ (u_long)(bytespersec / 1024),
+ (int)((bytespersec % 1024) * 10 / 1024),
+ prefixes[bi]
+ );
+#endif
+
+ if (cursize <= 0 || elapsed <= 0.0 || cursize > totalbytes) {
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+ " --:-- ETA");
+ } else if (wait.tv_sec >= STALLTIME) {
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+ " - stalled -");
+ } else {
+ if (cursize != totalbytes)
+ remaining = (int)(totalbytes / (cursize / elapsed) -
+ elapsed);
+ else
+ remaining = elapsed;
+
+ i = remaining / 3600;
+ if (i)
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+ "%2d:", i);
+ else
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+ " ");
+ i = remaining % 3600;
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+ "%02d:%02d%s", i / 60, i % 60,
+ (cursize != totalbytes) ? " ETA" : " ");
+ }
+ atomicio(write, fileno(stdout), buf, strlen(buf));
+}
+
+static int
+get_tty_width(void)
+{
+ struct winsize winsize;
+
+ if (ioctl(fileno(stdout), TIOCGWINSZ, &winsize) != -1)
+ return (winsize.ws_col ? winsize.ws_col : 80);
+ else
+ return (80);
+}
--- /dev/null
+/* $OpenBSD: progressmeter.h,v 1.1 2003/01/10 08:19:07 fgsch Exp $ */
+/*
+ * Copyright (c) 2002 Nils Nordman. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+void start_progress_meter(char *, off_t, off_t *);
+void stop_progress_meter(void);
--- /dev/null
+# $OpenBSD: agent-getpeereid.sh,v 1.1 2002/12/09 16:05:02 markus Exp $
+# Placed in the Public Domain.
+
+tid="disallow agent attach from other uid"
+
+UNPRIV=nobody
+ASOCK=${OBJ}/agent
+SSH_AUTH_SOCK=/nonexistant
+
+trace "start agent"
+eval `${SSHAGENT} -s -a ${ASOCK}` > /dev/null
+r=$?
+if [ $r -ne 0 ]; then
+ fail "could not start ssh-agent: exit code $r"
+else
+ chmod 644 ${SSH_AUTH_SOCK}
+
+ ssh-add -l > /dev/null 2>&1
+ r=$?
+ if [ $r -ne 1 ]; then
+ fail "ssh-add failed with $r != 1"
+ fi
+
+ < /dev/null sudo -S -u ${UNPRIV} ssh-add -l > /dev/null 2>&1
+ r=$?
+ if [ $r -lt 2 ]; then
+ fail "ssh-add did not fail for ${UNPRIV}: $r < 2"
+ fi
+
+ trace "kill agent"
+ ${SSHAGENT} -k > /dev/null
+fi
+
+rm -f ${OBJ}/agent
--- /dev/null
+# $OpenBSD: agent-ptrace.sh,v 1.1 2002/12/09 15:38:30 markus Exp $
+# Placed in the Public Domain.
+
+tid="disallow agent ptrace attach"
+
+trace "start agent"
+eval `${SSHAGENT} -s` > /dev/null
+r=$?
+if [ $r -ne 0 ]; then
+ fail "could not start ssh-agent: exit code $r"
+else
+ # ls -l ${SSH_AUTH_SOCK}
+ gdb ${SSHAGENT} ${SSH_AGENT_PID} > ${OBJ}/gdb.out 2>&1 << EOF
+ quit
+EOF
+ if [ $? -ne 0 ]; then
+ fail "gdb failed: exit code $?"
+ fi
+ grep -q 'ptrace: Operation not permitted.' ${OBJ}/gdb.out
+ r=$?
+ rm -f ${OBJ}/gdb.out
+ if [ $r -ne 0 ]; then
+ fail "ptrace succeeded?: exit code $r"
+ fi
+
+ trace "kill agent"
+ ${SSHAGENT} -k > /dev/null
+fi
--- /dev/null
+# $OpenBSD: agent-timeout.sh,v 1.1 2002/06/06 00:38:40 markus Exp $
+# Placed in the Public Domain.
+
+tid="agent timeout test"
+
+TIMEOUT=5
+
+trace "start agent"
+eval `${SSHAGENT} -s` > /dev/null
+r=$?
+if [ $r -ne 0 ]; then
+ fail "could not start ssh-agent: exit code $r"
+else
+ trace "add keys with timeout"
+ for t in rsa rsa1; do
+ ${SSHADD} -t ${TIMEOUT} $OBJ/$t > /dev/null 2>&1
+ if [ $? -ne 0 ]; then
+ fail "ssh-add did succeed exit code 0"
+ fi
+ done
+ n=`${SSHADD} -l 2> /dev/null | wc -l`
+ trace "agent has $n keys"
+ if [ $n -ne 2 ]; then
+ fail "ssh-add -l did not return 2 keys: $n"
+ fi
+ trace "sleeping 2*${TIMEOUT} seconds"
+ sleep ${TIMEOUT}
+ sleep ${TIMEOUT}
+ ${SSHADD} -l 2> /dev/null | grep -q 'The agent has no identities.'
+ if [ $? -ne 0 ]; then
+ fail "ssh-add -l still returns keys after timeout"
+ fi
+
+ trace "kill agent"
+ ${SSHAGENT} -k > /dev/null
+fi
--- /dev/null
+# $OpenBSD: keygen-change.sh,v 1.2 2002/07/16 09:15:55 markus Exp $
+# Placed in the Public Domain.
+
+tid="change passphrase for key"
+
+S1="secret1"
+S2="2secret"
+
+for t in rsa dsa rsa1; do
+ # generate user key for agent
+ trace "generating $t key"
+ rm -f $OBJ/$t-key
+ ${SSHKEYGEN} -q -N ${S1} -t $t -f $OBJ/$t-key
+ if [ $? -eq 0 ]; then
+ ${SSHKEYGEN} -p -P ${S1} -N ${S2} -f $OBJ/$t-key > /dev/null
+ if [ $? -ne 0 ]; then
+ fail "ssh-keygen -p failed for $t-key"
+ fi
+ else
+ fail "ssh-keygen for $t-key failed"
+ fi
+ rm -f $OBJ/$t-key $OBJ/$t-key.pub
+done
--- /dev/null
+# $OpenBSD: sftp-batch.sh,v 1.2 2003/01/10 07:52:41 djm Exp $
+# Placed in the Public Domain.
+
+tid="sftp batchfile"
+
+DATA=/bin/ls
+COPY=${OBJ}/copy
+BATCH=${OBJ}/sftp-batch
+
+rm -rf ${COPY} ${COPY}.1 ${COPY}.2 ${COPY}.dd ${BATCH}.*
+
+cat << EOF > ${BATCH}.pass.1
+ get $DATA $COPY
+ put ${COPY} ${COPY}.1
+ rm ${COPY}
+ -put ${COPY} ${COPY}.2
+EOF
+
+cat << EOF > ${BATCH}.pass.2
+ # This is a comment
+
+ # That was a blank line
+ ls
+EOF
+
+cat << EOF > ${BATCH}.fail.1
+ get $DATA $COPY
+ put ${COPY} ${COPY}.3
+ rm ${COPY}.*
+ # The next command should fail
+ put ${COPY}.3 ${COPY}.4
+EOF
+
+cat << EOF > ${BATCH}.fail.2
+ # The next command should fail
+ jajajajaja
+EOF
+
+verbose "$tid: good commands"
+${SFTP} -b ${BATCH}.pass.1 -P ${SFTPSERVER} >/dev/null 2>&1 \
+ || fail "good commands failed"
+
+verbose "$tid: bad commands"
+${SFTP} -b ${BATCH}.fail.1 -P ${SFTPSERVER} >/dev/null 2>&1 \
+ && fail "bad commands succeeded"
+
+verbose "$tid: comments and blanks"
+${SFTP} -b ${BATCH}.pass.2 -P ${SFTPSERVER} >/dev/null 2>&1 \
+ || fail "comments & blanks failed"
+
+verbose "$tid: junk command"
+${SFTP} -b ${BATCH}.fail.2 -P ${SFTPSERVER} >/dev/null 2>&1 \
+ && fail "junk command succeeded"
+
+rm -rf ${COPY} ${COPY}.1 ${COPY}.2 ${COPY}.dd ${BATCH}.*
+
+
--- /dev/null
+# $OpenBSD: sftp-cmds.sh,v 1.2 2003/01/10 07:52:41 djm Exp $
+# Placed in the Public Domain.
+
+# XXX - TODO:
+# - globbed operations
+# - chmod / chown / chgrp
+# - -p flag for get & put
+
+tid="sftp commands"
+
+DATA=/bin/ls
+COPY=${OBJ}/copy
+
+rm -rf ${COPY} ${COPY}.1 ${COPY}.2 ${COPY}.dd ${BATCH}.*
+
+verbose "$tid: lls"
+echo "lls ${OBJ}" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \
+ || fail "lls failed"
+# XXX always successful
+
+verbose "$tid: ls"
+echo "ls ${OBJ}" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \
+ || fail "ls failed"
+# XXX always successful
+
+verbose "$tid: shell"
+echo "!echo hi there" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \
+ || fail "shell failed"
+# XXX always successful
+
+verbose "$tid: pwd"
+echo "pwd" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \
+ || fail "pwd failed"
+# XXX always successful
+
+verbose "$tid: lpwd"
+echo "lpwd" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \
+ || fail "lpwd failed"
+# XXX always successful
+
+verbose "$tid: quit"
+echo "quit" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \
+ || fail "quit failed"
+# XXX always successful
+
+verbose "$tid: help"
+echo "help" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \
+ || fail "help failed"
+# XXX always successful
+
+rm -f ${COPY}
+verbose "$tid: get"
+echo "get $DATA $COPY" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \
+ || fail "get failed"
+cmp $DATA ${COPY} || fail "corrupted copy after get"
+
+rm -f ${COPY}
+verbose "$tid: put"
+echo "put $DATA $COPY" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \
+ || fail "put failed"
+cmp $DATA ${COPY} || fail "corrupted copy after put"
+
+verbose "$tid: rename"
+echo "rename $COPY ${COPY}.1" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \
+ || fail "rename failed"
+test -f ${COPY}.1 || fail "missing file after rename"
+cmp $DATA ${COPY}.1 >/dev/null 2>&1 || fail "corrupted copy after rename"
+
+verbose "$tid: ln"
+echo "ln ${COPY}.1 ${COPY}.2" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 || fail "ln failed"
+test -L ${COPY}.2 || fail "missing file after ln"
+
+verbose "$tid: mkdir"
+echo "mkdir ${COPY}.dd" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \
+ || fail "mkdir failed"
+test -d ${COPY}.dd || fail "missing directory after mkdir"
+
+# XXX do more here
+verbose "$tid: chdir"
+echo "chdir ${COPY}.dd" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \
+ || fail "chdir failed"
+
+verbose "$tid: rmdir"
+echo "rmdir ${COPY}.dd" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \
+ || fail "rmdir failed"
+test -d ${COPY}.1 && fail "present directory after rmdir"
+
+verbose "$tid: lmkdir"
+echo "lmkdir ${COPY}.dd" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \
+ || fail "lmkdir failed"
+test -d ${COPY}.dd || fail "missing directory after lmkdir"
+
+# XXX do more here
+verbose "$tid: lchdir"
+echo "lchdir ${COPY}.dd" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \
+ || fail "lchdir failed"
+
+rm -rf ${COPY} ${COPY}.1 ${COPY}.2 ${COPY}.dd ${BATCH}.*
+
+
andersk / gssapi-openssh.git / commitdiff
