Annotation of src/usr.bin/ssh/monitor_wrap.c, Revision 1.67
1.67 ! andreas 1: /* $OpenBSD: monitor_wrap.c,v 1.66 2009/05/25 06:48:01 andreas Exp $ */
1.1 provos 2: /*
3: * Copyright 2002 Niels Provos <provos@citi.umich.edu>
4: * Copyright 2002 Markus Friedl <markus@openbsd.org>
5: * All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26: */
27:
1.46 stevesk 28: #include <sys/types.h>
1.51 dtucker 29: #include <sys/uio.h>
1.61 djm 30: #include <sys/queue.h>
1.46 stevesk 31:
1.1 provos 32: #include <openssl/bn.h>
33: #include <openssl/dh.h>
1.64 djm 34: #include <openssl/evp.h>
1.46 stevesk 35:
1.47 stevesk 36: #include <errno.h>
1.46 stevesk 37: #include <pwd.h>
1.50 deraadt 38: #include <signal.h>
1.49 stevesk 39: #include <stdio.h>
1.48 stevesk 40: #include <string.h>
1.51 dtucker 41: #include <unistd.h>
1.1 provos 42:
1.50 deraadt 43: #include "xmalloc.h"
1.1 provos 44: #include "ssh.h"
45: #include "dh.h"
1.50 deraadt 46: #include "buffer.h"
47: #include "key.h"
48: #include "cipher.h"
1.1 provos 49: #include "kex.h"
1.50 deraadt 50: #include "hostfile.h"
1.1 provos 51: #include "auth.h"
1.22 markus 52: #include "auth-options.h"
1.1 provos 53: #include "packet.h"
54: #include "mac.h"
55: #include "log.h"
1.54 miod 56: #include <zlib.h>
1.1 provos 57: #include "monitor.h"
1.50 deraadt 58: #ifdef GSSAPI
59: #include "ssh-gss.h"
60: #endif
1.1 provos 61: #include "monitor_wrap.h"
62: #include "atomicio.h"
63: #include "monitor_fdpass.h"
1.45 djm 64: #include "misc.h"
1.65 djm 65: #include "schnorr.h"
1.64 djm 66: #include "jpake.h"
1.1 provos 67:
68: #include "channels.h"
69: #include "session.h"
1.55 dtucker 70: #include "servconf.h"
1.67 ! andreas 71: #include "roaming.h"
1.29 markus 72:
1.1 provos 73: /* Imports */
74: extern int compat20;
75: extern z_stream incoming_stream;
76: extern z_stream outgoing_stream;
1.7 mouring 77: extern struct monitor *pmonitor;
1.39 dtucker 78: extern Buffer loginmsg;
1.55 dtucker 79: extern ServerOptions options;
1.1 provos 80:
1.32 markus 81: int
82: mm_is_monitor(void)
83: {
84: /*
85: * m_pid is only set in the privileged part, and
86: * points to the unprivileged child.
87: */
1.34 markus 88: return (pmonitor && pmonitor->m_pid > 0);
1.32 markus 89: }
90:
1.1 provos 91: void
1.36 avsm 92: mm_request_send(int sock, enum monitor_reqtype type, Buffer *m)
1.1 provos 93: {
1.13 deraadt 94: u_int mlen = buffer_len(m);
1.1 provos 95: u_char buf[5];
96:
1.8 markus 97: debug3("%s entering: type %d", __func__, type);
1.1 provos 98:
1.45 djm 99: put_u32(buf, mlen + 1);
1.10 deraadt 100: buf[4] = (u_char) type; /* 1st byte of payload is mesg-type */
1.36 avsm 101: if (atomicio(vwrite, sock, buf, sizeof(buf)) != sizeof(buf))
1.40 avsm 102: fatal("%s: write: %s", __func__, strerror(errno));
1.36 avsm 103: if (atomicio(vwrite, sock, buffer_ptr(m), mlen) != mlen)
1.40 avsm 104: fatal("%s: write: %s", __func__, strerror(errno));
1.1 provos 105: }
106:
107: void
1.36 avsm 108: mm_request_receive(int sock, Buffer *m)
1.1 provos 109: {
110: u_char buf[4];
1.13 deraadt 111: u_int msg_len;
1.1 provos 112:
1.8 markus 113: debug3("%s entering", __func__);
1.1 provos 114:
1.40 avsm 115: if (atomicio(read, sock, buf, sizeof(buf)) != sizeof(buf)) {
116: if (errno == EPIPE)
1.32 markus 117: cleanup_exit(255);
1.40 avsm 118: fatal("%s: read: %s", __func__, strerror(errno));
1.1 provos 119: }
1.45 djm 120: msg_len = get_u32(buf);
1.1 provos 121: if (msg_len > 256 * 1024)
1.8 markus 122: fatal("%s: read: bad msg_len %d", __func__, msg_len);
1.1 provos 123: buffer_clear(m);
124: buffer_append_space(m, msg_len);
1.40 avsm 125: if (atomicio(read, sock, buffer_ptr(m), msg_len) != msg_len)
126: fatal("%s: read: %s", __func__, strerror(errno));
1.1 provos 127: }
128:
129: void
1.36 avsm 130: mm_request_receive_expect(int sock, enum monitor_reqtype type, Buffer *m)
1.1 provos 131: {
132: u_char rtype;
133:
1.8 markus 134: debug3("%s entering: type %d", __func__, type);
1.1 provos 135:
1.36 avsm 136: mm_request_receive(sock, m);
1.1 provos 137: rtype = buffer_get_char(m);
138: if (rtype != type)
1.8 markus 139: fatal("%s: read: rtype %d != type %d", __func__,
1.1 provos 140: rtype, type);
141: }
142:
143: DH *
144: mm_choose_dh(int min, int nbits, int max)
145: {
146: BIGNUM *p, *g;
147: int success = 0;
148: Buffer m;
149:
150: buffer_init(&m);
151: buffer_put_int(&m, min);
152: buffer_put_int(&m, nbits);
153: buffer_put_int(&m, max);
154:
1.7 mouring 155: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_MODULI, &m);
1.1 provos 156:
1.8 markus 157: debug3("%s: waiting for MONITOR_ANS_MODULI", __func__);
1.7 mouring 158: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_MODULI, &m);
1.1 provos 159:
160: success = buffer_get_char(&m);
161: if (success == 0)
1.8 markus 162: fatal("%s: MONITOR_ANS_MODULI failed", __func__);
1.1 provos 163:
164: if ((p = BN_new()) == NULL)
1.8 markus 165: fatal("%s: BN_new failed", __func__);
1.3 markus 166: if ((g = BN_new()) == NULL)
1.8 markus 167: fatal("%s: BN_new failed", __func__);
1.1 provos 168: buffer_get_bignum2(&m, p);
169: buffer_get_bignum2(&m, g);
170:
1.8 markus 171: debug3("%s: remaining %d", __func__, buffer_len(&m));
1.1 provos 172: buffer_free(&m);
173:
174: return (dh_new_group(g, p));
175: }
176:
177: int
178: mm_key_sign(Key *key, u_char **sigp, u_int *lenp, u_char *data, u_int datalen)
179: {
1.7 mouring 180: Kex *kex = *pmonitor->m_pkex;
1.1 provos 181: Buffer m;
182:
1.8 markus 183: debug3("%s entering", __func__);
1.1 provos 184:
185: buffer_init(&m);
186: buffer_put_int(&m, kex->host_key_index(key));
187: buffer_put_string(&m, data, datalen);
188:
1.7 mouring 189: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_SIGN, &m);
1.1 provos 190:
1.8 markus 191: debug3("%s: waiting for MONITOR_ANS_SIGN", __func__);
1.7 mouring 192: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_SIGN, &m);
1.1 provos 193: *sigp = buffer_get_string(&m, lenp);
194: buffer_free(&m);
195:
196: return (0);
197: }
198:
199: struct passwd *
1.37 dtucker 200: mm_getpwnamallow(const char *username)
1.1 provos 201: {
202: Buffer m;
203: struct passwd *pw;
1.55 dtucker 204: u_int len;
205: ServerOptions *newopts;
1.1 provos 206:
1.8 markus 207: debug3("%s entering", __func__);
1.1 provos 208:
209: buffer_init(&m);
1.37 dtucker 210: buffer_put_cstring(&m, username);
1.1 provos 211:
1.7 mouring 212: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PWNAM, &m);
1.1 provos 213:
1.8 markus 214: debug3("%s: waiting for MONITOR_ANS_PWNAM", __func__);
1.7 mouring 215: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PWNAM, &m);
1.1 provos 216:
217: if (buffer_get_char(&m) == 0) {
1.60 dtucker 218: pw = NULL;
219: goto out;
1.1 provos 220: }
1.55 dtucker 221: pw = buffer_get_string(&m, &len);
222: if (len != sizeof(struct passwd))
1.8 markus 223: fatal("%s: struct passwd size mismatch", __func__);
1.1 provos 224: pw->pw_name = buffer_get_string(&m, NULL);
225: pw->pw_passwd = buffer_get_string(&m, NULL);
226: pw->pw_gecos = buffer_get_string(&m, NULL);
227: pw->pw_class = buffer_get_string(&m, NULL);
228: pw->pw_dir = buffer_get_string(&m, NULL);
229: pw->pw_shell = buffer_get_string(&m, NULL);
1.55 dtucker 230:
1.60 dtucker 231: out:
1.55 dtucker 232: /* copy options block as a Match directive may have changed some */
233: newopts = buffer_get_string(&m, &len);
234: if (len != sizeof(*newopts))
235: fatal("%s: option block size mismatch", __func__);
236: if (newopts->banner != NULL)
237: newopts->banner = buffer_get_string(&m, NULL);
238: copy_set_server_options(&options, newopts, 1);
239: xfree(newopts);
240:
1.1 provos 241: buffer_free(&m);
242:
243: return (pw);
1.6 djm 244: }
245:
1.33 markus 246: char *
247: mm_auth2_read_banner(void)
1.6 djm 248: {
249: Buffer m;
250: char *banner;
251:
1.8 markus 252: debug3("%s entering", __func__);
1.6 djm 253:
254: buffer_init(&m);
1.7 mouring 255: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTH2_READ_BANNER, &m);
1.6 djm 256: buffer_clear(&m);
257:
1.33 markus 258: mm_request_receive_expect(pmonitor->m_recvfd,
259: MONITOR_ANS_AUTH2_READ_BANNER, &m);
1.6 djm 260: banner = buffer_get_string(&m, NULL);
261: buffer_free(&m);
1.10 deraadt 262:
1.33 markus 263: /* treat empty banner as missing banner */
264: if (strlen(banner) == 0) {
265: xfree(banner);
266: banner = NULL;
267: }
1.6 djm 268: return (banner);
1.1 provos 269: }
270:
271: /* Inform the privileged process about service and style */
272:
273: void
274: mm_inform_authserv(char *service, char *style)
275: {
276: Buffer m;
277:
1.8 markus 278: debug3("%s entering", __func__);
1.1 provos 279:
280: buffer_init(&m);
281: buffer_put_cstring(&m, service);
282: buffer_put_cstring(&m, style ? style : "");
283:
1.7 mouring 284: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTHSERV, &m);
1.1 provos 285:
286: buffer_free(&m);
287: }
288:
289: /* Do the password authentication */
290: int
291: mm_auth_password(Authctxt *authctxt, char *password)
292: {
293: Buffer m;
294: int authenticated = 0;
295:
1.8 markus 296: debug3("%s entering", __func__);
1.1 provos 297:
298: buffer_init(&m);
299: buffer_put_cstring(&m, password);
1.7 mouring 300: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTHPASSWORD, &m);
1.1 provos 301:
1.8 markus 302: debug3("%s: waiting for MONITOR_ANS_AUTHPASSWORD", __func__);
1.7 mouring 303: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_AUTHPASSWORD, &m);
1.1 provos 304:
305: authenticated = buffer_get_int(&m);
306:
307: buffer_free(&m);
308:
1.3 markus 309: debug3("%s: user %sauthenticated",
1.8 markus 310: __func__, authenticated ? "" : "not ");
1.1 provos 311: return (authenticated);
312: }
313:
314: int
315: mm_user_key_allowed(struct passwd *pw, Key *key)
316: {
317: return (mm_key_allowed(MM_USERKEY, NULL, NULL, key));
318: }
319:
320: int
321: mm_hostbased_key_allowed(struct passwd *pw, char *user, char *host,
322: Key *key)
323: {
324: return (mm_key_allowed(MM_HOSTKEY, user, host, key));
325: }
326:
327: int
328: mm_auth_rhosts_rsa_key_allowed(struct passwd *pw, char *user,
329: char *host, Key *key)
330: {
331: int ret;
332:
333: key->type = KEY_RSA; /* XXX hack for key_to_blob */
334: ret = mm_key_allowed(MM_RSAHOSTKEY, user, host, key);
335: key->type = KEY_RSA1;
336: return (ret);
337: }
338:
1.2 markus 339: static void
1.1 provos 340: mm_send_debug(Buffer *m)
341: {
342: char *msg;
343:
344: while (buffer_len(m)) {
345: msg = buffer_get_string(m, NULL);
1.8 markus 346: debug3("%s: Sending debug: %s", __func__, msg);
1.1 provos 347: packet_send_debug("%s", msg);
348: xfree(msg);
349: }
350: }
351:
352: int
353: mm_key_allowed(enum mm_keytype type, char *user, char *host, Key *key)
354: {
355: Buffer m;
356: u_char *blob;
357: u_int len;
1.22 markus 358: int allowed = 0, have_forced = 0;
1.1 provos 359:
1.8 markus 360: debug3("%s entering", __func__);
1.1 provos 361:
362: /* Convert the key to a blob and the pass it over */
363: if (!key_to_blob(key, &blob, &len))
364: return (0);
365:
366: buffer_init(&m);
367: buffer_put_int(&m, type);
368: buffer_put_cstring(&m, user ? user : "");
369: buffer_put_cstring(&m, host ? host : "");
370: buffer_put_string(&m, blob, len);
371: xfree(blob);
372:
1.7 mouring 373: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_KEYALLOWED, &m);
1.1 provos 374:
1.8 markus 375: debug3("%s: waiting for MONITOR_ANS_KEYALLOWED", __func__);
1.7 mouring 376: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_KEYALLOWED, &m);
1.1 provos 377:
378: allowed = buffer_get_int(&m);
379:
1.22 markus 380: /* fake forced command */
381: auth_clear_options();
382: have_forced = buffer_get_int(&m);
383: forced_command = have_forced ? xstrdup("true") : NULL;
384:
1.1 provos 385: /* Send potential debug messages */
386: mm_send_debug(&m);
387:
388: buffer_free(&m);
389:
390: return (allowed);
391: }
392:
1.3 markus 393: /*
1.1 provos 394: * This key verify needs to send the key type along, because the
395: * privileged parent makes the decision if the key is allowed
396: * for authentication.
397: */
398:
399: int
400: mm_key_verify(Key *key, u_char *sig, u_int siglen, u_char *data, u_int datalen)
401: {
402: Buffer m;
403: u_char *blob;
404: u_int len;
405: int verified = 0;
406:
1.8 markus 407: debug3("%s entering", __func__);
1.1 provos 408:
409: /* Convert the key to a blob and the pass it over */
410: if (!key_to_blob(key, &blob, &len))
411: return (0);
412:
413: buffer_init(&m);
414: buffer_put_string(&m, blob, len);
415: buffer_put_string(&m, sig, siglen);
416: buffer_put_string(&m, data, datalen);
417: xfree(blob);
418:
1.7 mouring 419: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_KEYVERIFY, &m);
1.1 provos 420:
1.8 markus 421: debug3("%s: waiting for MONITOR_ANS_KEYVERIFY", __func__);
1.7 mouring 422: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_KEYVERIFY, &m);
1.1 provos 423:
424: verified = buffer_get_int(&m);
425:
426: buffer_free(&m);
427:
428: return (verified);
429: }
430:
431: /* Export key state after authentication */
432: Newkeys *
433: mm_newkeys_from_blob(u_char *blob, int blen)
434: {
435: Buffer b;
436: u_int len;
437: Newkeys *newkey = NULL;
438: Enc *enc;
439: Mac *mac;
440: Comp *comp;
441:
1.8 markus 442: debug3("%s: %p(%d)", __func__, blob, blen);
1.1 provos 443: #ifdef DEBUG_PK
444: dump_base64(stderr, blob, blen);
445: #endif
446: buffer_init(&b);
447: buffer_append(&b, blob, blen);
448:
449: newkey = xmalloc(sizeof(*newkey));
450: enc = &newkey->enc;
451: mac = &newkey->mac;
452: comp = &newkey->comp;
453:
454: /* Enc structure */
455: enc->name = buffer_get_string(&b, NULL);
456: buffer_get(&b, &enc->cipher, sizeof(enc->cipher));
457: enc->enabled = buffer_get_int(&b);
458: enc->block_size = buffer_get_int(&b);
459: enc->key = buffer_get_string(&b, &enc->key_len);
460: enc->iv = buffer_get_string(&b, &len);
461: if (len != enc->block_size)
1.12 deraadt 462: fatal("%s: bad ivlen: expected %u != %u", __func__,
1.1 provos 463: enc->block_size, len);
464:
465: if (enc->name == NULL || cipher_by_name(enc->name) != enc->cipher)
1.8 markus 466: fatal("%s: bad cipher name %s or pointer %p", __func__,
1.1 provos 467: enc->name, enc->cipher);
468:
469: /* Mac structure */
470: mac->name = buffer_get_string(&b, NULL);
1.56 djm 471: if (mac->name == NULL || mac_setup(mac, mac->name) == -1)
1.57 pvalchev 472: fatal("%s: can not setup mac %s", __func__, mac->name);
1.1 provos 473: mac->enabled = buffer_get_int(&b);
474: mac->key = buffer_get_string(&b, &len);
475: if (len > mac->key_len)
1.12 deraadt 476: fatal("%s: bad mac key length: %u > %d", __func__, len,
1.1 provos 477: mac->key_len);
478: mac->key_len = len;
479:
480: /* Comp structure */
481: comp->type = buffer_get_int(&b);
482: comp->enabled = buffer_get_int(&b);
483: comp->name = buffer_get_string(&b, NULL);
484:
485: len = buffer_len(&b);
486: if (len != 0)
1.12 deraadt 487: error("newkeys_from_blob: remaining bytes in blob %u", len);
1.1 provos 488: buffer_free(&b);
489: return (newkey);
490: }
491:
492: int
493: mm_newkeys_to_blob(int mode, u_char **blobp, u_int *lenp)
494: {
495: Buffer b;
496: int len;
497: Enc *enc;
498: Mac *mac;
499: Comp *comp;
1.66 andreas 500: Newkeys *newkey = (Newkeys *)packet_get_newkeys(mode);
1.1 provos 501:
1.8 markus 502: debug3("%s: converting %p", __func__, newkey);
1.1 provos 503:
504: if (newkey == NULL) {
1.8 markus 505: error("%s: newkey == NULL", __func__);
1.1 provos 506: return 0;
507: }
508: enc = &newkey->enc;
509: mac = &newkey->mac;
510: comp = &newkey->comp;
511:
512: buffer_init(&b);
513: /* Enc structure */
514: buffer_put_cstring(&b, enc->name);
515: /* The cipher struct is constant and shared, you export pointer */
516: buffer_append(&b, &enc->cipher, sizeof(enc->cipher));
517: buffer_put_int(&b, enc->enabled);
518: buffer_put_int(&b, enc->block_size);
519: buffer_put_string(&b, enc->key, enc->key_len);
520: packet_get_keyiv(mode, enc->iv, enc->block_size);
521: buffer_put_string(&b, enc->iv, enc->block_size);
522:
523: /* Mac structure */
524: buffer_put_cstring(&b, mac->name);
525: buffer_put_int(&b, mac->enabled);
526: buffer_put_string(&b, mac->key, mac->key_len);
527:
528: /* Comp structure */
529: buffer_put_int(&b, comp->type);
530: buffer_put_int(&b, comp->enabled);
531: buffer_put_cstring(&b, comp->name);
532:
533: len = buffer_len(&b);
1.16 markus 534: if (lenp != NULL)
535: *lenp = len;
536: if (blobp != NULL) {
537: *blobp = xmalloc(len);
538: memcpy(*blobp, buffer_ptr(&b), len);
539: }
1.1 provos 540: memset(buffer_ptr(&b), 0, len);
541: buffer_free(&b);
542: return len;
543: }
544:
1.2 markus 545: static void
1.1 provos 546: mm_send_kex(Buffer *m, Kex *kex)
547: {
548: buffer_put_string(m, kex->session_id, kex->session_id_len);
549: buffer_put_int(m, kex->we_need);
550: buffer_put_int(m, kex->hostkey_type);
551: buffer_put_int(m, kex->kex_type);
552: buffer_put_string(m, buffer_ptr(&kex->my), buffer_len(&kex->my));
553: buffer_put_string(m, buffer_ptr(&kex->peer), buffer_len(&kex->peer));
554: buffer_put_int(m, kex->flags);
555: buffer_put_cstring(m, kex->client_version_string);
556: buffer_put_cstring(m, kex->server_version_string);
557: }
558:
559: void
1.36 avsm 560: mm_send_keystate(struct monitor *monitor)
1.1 provos 561: {
1.66 andreas 562: Buffer m, *input, *output;
1.1 provos 563: u_char *blob, *p;
564: u_int bloblen, plen;
1.25 markus 565: u_int32_t seqnr, packets;
1.63 markus 566: u_int64_t blocks, bytes;
1.1 provos 567:
568: buffer_init(&m);
569:
570: if (!compat20) {
571: u_char iv[24];
1.11 markus 572: u_char *key;
573: u_int ivlen, keylen;
1.1 provos 574:
575: buffer_put_int(&m, packet_get_protocol_flags());
576:
577: buffer_put_int(&m, packet_get_ssh1_cipher());
578:
1.11 markus 579: debug3("%s: Sending ssh1 KEY+IV", __func__);
580: keylen = packet_get_encryption_key(NULL);
581: key = xmalloc(keylen+1); /* add 1 if keylen == 0 */
582: keylen = packet_get_encryption_key(key);
583: buffer_put_string(&m, key, keylen);
584: memset(key, 0, keylen);
585: xfree(key);
586:
1.1 provos 587: ivlen = packet_get_keyiv_len(MODE_OUT);
588: packet_get_keyiv(MODE_OUT, iv, ivlen);
589: buffer_put_string(&m, iv, ivlen);
590: ivlen = packet_get_keyiv_len(MODE_OUT);
591: packet_get_keyiv(MODE_IN, iv, ivlen);
592: buffer_put_string(&m, iv, ivlen);
593: goto skip;
594: } else {
595: /* Kex for rekeying */
1.36 avsm 596: mm_send_kex(&m, *monitor->m_pkex);
1.1 provos 597: }
598:
599: debug3("%s: Sending new keys: %p %p",
1.66 andreas 600: __func__, packet_get_newkeys(MODE_OUT),
601: packet_get_newkeys(MODE_IN));
1.1 provos 602:
603: /* Keys from Kex */
604: if (!mm_newkeys_to_blob(MODE_OUT, &blob, &bloblen))
1.8 markus 605: fatal("%s: conversion of newkeys failed", __func__);
1.1 provos 606:
607: buffer_put_string(&m, blob, bloblen);
608: xfree(blob);
609:
610: if (!mm_newkeys_to_blob(MODE_IN, &blob, &bloblen))
1.8 markus 611: fatal("%s: conversion of newkeys failed", __func__);
1.1 provos 612:
613: buffer_put_string(&m, blob, bloblen);
614: xfree(blob);
615:
1.63 markus 616: packet_get_state(MODE_OUT, &seqnr, &blocks, &packets, &bytes);
1.25 markus 617: buffer_put_int(&m, seqnr);
618: buffer_put_int64(&m, blocks);
619: buffer_put_int(&m, packets);
1.63 markus 620: buffer_put_int64(&m, bytes);
621: packet_get_state(MODE_IN, &seqnr, &blocks, &packets, &bytes);
1.25 markus 622: buffer_put_int(&m, seqnr);
623: buffer_put_int64(&m, blocks);
624: buffer_put_int(&m, packets);
1.63 markus 625: buffer_put_int64(&m, bytes);
1.1 provos 626:
1.8 markus 627: debug3("%s: New keys have been sent", __func__);
1.1 provos 628: skip:
629: /* More key context */
630: plen = packet_get_keycontext(MODE_OUT, NULL);
631: p = xmalloc(plen+1);
632: packet_get_keycontext(MODE_OUT, p);
633: buffer_put_string(&m, p, plen);
634: xfree(p);
635:
636: plen = packet_get_keycontext(MODE_IN, NULL);
637: p = xmalloc(plen+1);
638: packet_get_keycontext(MODE_IN, p);
639: buffer_put_string(&m, p, plen);
640: xfree(p);
641:
642: /* Compression state */
1.8 markus 643: debug3("%s: Sending compression state", __func__);
1.1 provos 644: buffer_put_string(&m, &outgoing_stream, sizeof(outgoing_stream));
645: buffer_put_string(&m, &incoming_stream, sizeof(incoming_stream));
646:
647: /* Network I/O buffers */
1.66 andreas 648: input = (Buffer *)packet_get_input();
649: output = (Buffer *)packet_get_output();
650: buffer_put_string(&m, buffer_ptr(input), buffer_len(input));
651: buffer_put_string(&m, buffer_ptr(output), buffer_len(output));
1.67 ! andreas 652:
! 653: /* Roaming */
! 654: if (compat20) {
! 655: buffer_put_int64(&m, get_sent_bytes());
! 656: buffer_put_int64(&m, get_recv_bytes());
! 657: }
1.1 provos 658:
1.36 avsm 659: mm_request_send(monitor->m_recvfd, MONITOR_REQ_KEYEXPORT, &m);
1.8 markus 660: debug3("%s: Finished sending state", __func__);
1.1 provos 661:
662: buffer_free(&m);
663: }
664:
665: int
1.42 deraadt 666: mm_pty_allocate(int *ptyfd, int *ttyfd, char *namebuf, size_t namebuflen)
1.1 provos 667: {
668: Buffer m;
1.39 dtucker 669: char *p, *msg;
1.62 djm 670: int success = 0, tmp1 = -1, tmp2 = -1;
671:
672: /* Kludge: ensure there are fds free to receive the pty/tty */
673: if ((tmp1 = dup(pmonitor->m_recvfd)) == -1 ||
674: (tmp2 = dup(pmonitor->m_recvfd)) == -1) {
675: error("%s: cannot allocate fds for pty", __func__);
676: if (tmp1 > 0)
677: close(tmp1);
678: if (tmp2 > 0)
679: close(tmp2);
680: return 0;
681: }
682: close(tmp1);
683: close(tmp2);
1.1 provos 684:
685: buffer_init(&m);
1.7 mouring 686: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PTY, &m);
1.1 provos 687:
1.8 markus 688: debug3("%s: waiting for MONITOR_ANS_PTY", __func__);
1.7 mouring 689: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PTY, &m);
1.1 provos 690:
691: success = buffer_get_int(&m);
692: if (success == 0) {
1.8 markus 693: debug3("%s: pty alloc failed", __func__);
1.1 provos 694: buffer_free(&m);
695: return (0);
696: }
697: p = buffer_get_string(&m, NULL);
1.39 dtucker 698: msg = buffer_get_string(&m, NULL);
1.1 provos 699: buffer_free(&m);
700:
701: strlcpy(namebuf, p, namebuflen); /* Possible truncation */
702: xfree(p);
1.39 dtucker 703:
704: buffer_append(&loginmsg, msg, strlen(msg));
705: xfree(msg);
1.1 provos 706:
1.58 djm 707: if ((*ptyfd = mm_receive_fd(pmonitor->m_recvfd)) == -1 ||
708: (*ttyfd = mm_receive_fd(pmonitor->m_recvfd)) == -1)
709: fatal("%s: receive fds failed", __func__);
1.1 provos 710:
711: /* Success */
712: return (1);
713: }
714:
715: void
1.32 markus 716: mm_session_pty_cleanup2(Session *s)
1.1 provos 717: {
718: Buffer m;
719:
720: if (s->ttyfd == -1)
721: return;
722: buffer_init(&m);
723: buffer_put_cstring(&m, s->tty);
1.7 mouring 724: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PTYCLEANUP, &m);
1.1 provos 725: buffer_free(&m);
1.3 markus 726:
1.1 provos 727: /* closed dup'ed master */
1.62 djm 728: if (s->ptymaster != -1 && close(s->ptymaster) < 0)
729: error("close(s->ptymaster/%d): %s",
730: s->ptymaster, strerror(errno));
1.1 provos 731:
732: /* unlink pty from session */
733: s->ttyfd = -1;
734: }
735:
736: /* Request process termination */
737:
738: void
739: mm_terminate(void)
740: {
741: Buffer m;
742:
743: buffer_init(&m);
1.7 mouring 744: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_TERM, &m);
1.1 provos 745: buffer_free(&m);
746: }
747:
748: int
749: mm_ssh1_session_key(BIGNUM *num)
750: {
751: int rsafail;
752: Buffer m;
753:
754: buffer_init(&m);
755: buffer_put_bignum2(&m, num);
1.7 mouring 756: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_SESSKEY, &m);
1.1 provos 757:
1.7 mouring 758: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_SESSKEY, &m);
1.1 provos 759:
760: rsafail = buffer_get_int(&m);
761: buffer_get_bignum2(&m, num);
762:
763: buffer_free(&m);
764:
765: return (rsafail);
766: }
767:
1.2 markus 768: static void
1.1 provos 769: mm_chall_setup(char **name, char **infotxt, u_int *numprompts,
770: char ***prompts, u_int **echo_on)
771: {
1.10 deraadt 772: *name = xstrdup("");
773: *infotxt = xstrdup("");
1.1 provos 774: *numprompts = 1;
1.43 djm 775: *prompts = xcalloc(*numprompts, sizeof(char *));
776: *echo_on = xcalloc(*numprompts, sizeof(u_int));
1.1 provos 777: (*echo_on)[0] = 0;
778: }
779:
780: int
781: mm_bsdauth_query(void *ctx, char **name, char **infotxt,
782: u_int *numprompts, char ***prompts, u_int **echo_on)
783: {
784: Buffer m;
1.21 markus 785: u_int success;
1.1 provos 786: char *challenge;
787:
1.8 markus 788: debug3("%s: entering", __func__);
1.1 provos 789:
790: buffer_init(&m);
1.7 mouring 791: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_BSDAUTHQUERY, &m);
1.1 provos 792:
1.7 mouring 793: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_BSDAUTHQUERY,
1.1 provos 794: &m);
1.21 markus 795: success = buffer_get_int(&m);
796: if (success == 0) {
1.8 markus 797: debug3("%s: no challenge", __func__);
1.1 provos 798: buffer_free(&m);
799: return (-1);
800: }
801:
802: /* Get the challenge, and format the response */
803: challenge = buffer_get_string(&m, NULL);
804: buffer_free(&m);
805:
806: mm_chall_setup(name, infotxt, numprompts, prompts, echo_on);
807: (*prompts)[0] = challenge;
808:
1.8 markus 809: debug3("%s: received challenge: %s", __func__, challenge);
1.1 provos 810:
811: return (0);
812: }
813:
814: int
815: mm_bsdauth_respond(void *ctx, u_int numresponses, char **responses)
816: {
817: Buffer m;
818: int authok;
819:
1.8 markus 820: debug3("%s: entering", __func__);
1.1 provos 821: if (numresponses != 1)
822: return (-1);
823:
824: buffer_init(&m);
825: buffer_put_cstring(&m, responses[0]);
1.7 mouring 826: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_BSDAUTHRESPOND, &m);
1.1 provos 827:
1.7 mouring 828: mm_request_receive_expect(pmonitor->m_recvfd,
1.1 provos 829: MONITOR_ANS_BSDAUTHRESPOND, &m);
830:
831: authok = buffer_get_int(&m);
832: buffer_free(&m);
833:
834: return ((authok == 0) ? -1 : 0);
835: }
836:
837:
838: void
839: mm_ssh1_session_id(u_char session_id[16])
840: {
841: Buffer m;
842: int i;
843:
1.8 markus 844: debug3("%s entering", __func__);
1.1 provos 845:
846: buffer_init(&m);
847: for (i = 0; i < 16; i++)
848: buffer_put_char(&m, session_id[i]);
849:
1.7 mouring 850: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_SESSID, &m);
1.1 provos 851: buffer_free(&m);
852: }
853:
854: int
855: mm_auth_rsa_key_allowed(struct passwd *pw, BIGNUM *client_n, Key **rkey)
856: {
857: Buffer m;
858: Key *key;
859: u_char *blob;
860: u_int blen;
1.22 markus 861: int allowed = 0, have_forced = 0;
1.1 provos 862:
1.8 markus 863: debug3("%s entering", __func__);
1.1 provos 864:
865: buffer_init(&m);
866: buffer_put_bignum2(&m, client_n);
867:
1.7 mouring 868: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_RSAKEYALLOWED, &m);
869: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_RSAKEYALLOWED, &m);
1.1 provos 870:
871: allowed = buffer_get_int(&m);
1.22 markus 872:
873: /* fake forced command */
874: auth_clear_options();
875: have_forced = buffer_get_int(&m);
876: forced_command = have_forced ? xstrdup("true") : NULL;
1.1 provos 877:
878: if (allowed && rkey != NULL) {
879: blob = buffer_get_string(&m, &blen);
880: if ((key = key_from_blob(blob, blen)) == NULL)
1.8 markus 881: fatal("%s: key_from_blob failed", __func__);
1.1 provos 882: *rkey = key;
883: xfree(blob);
884: }
885: mm_send_debug(&m);
886: buffer_free(&m);
887:
888: return (allowed);
889: }
890:
891: BIGNUM *
892: mm_auth_rsa_generate_challenge(Key *key)
893: {
894: Buffer m;
895: BIGNUM *challenge;
896: u_char *blob;
897: u_int blen;
898:
1.8 markus 899: debug3("%s entering", __func__);
1.1 provos 900:
901: if ((challenge = BN_new()) == NULL)
1.8 markus 902: fatal("%s: BN_new failed", __func__);
1.1 provos 903:
904: key->type = KEY_RSA; /* XXX cheat for key_to_blob */
905: if (key_to_blob(key, &blob, &blen) == 0)
1.8 markus 906: fatal("%s: key_to_blob failed", __func__);
1.1 provos 907: key->type = KEY_RSA1;
908:
909: buffer_init(&m);
910: buffer_put_string(&m, blob, blen);
911: xfree(blob);
912:
1.7 mouring 913: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_RSACHALLENGE, &m);
914: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_RSACHALLENGE, &m);
1.1 provos 915:
916: buffer_get_bignum2(&m, challenge);
917: buffer_free(&m);
918:
919: return (challenge);
920: }
921:
922: int
923: mm_auth_rsa_verify_response(Key *key, BIGNUM *p, u_char response[16])
924: {
925: Buffer m;
926: u_char *blob;
927: u_int blen;
928: int success = 0;
929:
1.8 markus 930: debug3("%s entering", __func__);
1.1 provos 931:
932: key->type = KEY_RSA; /* XXX cheat for key_to_blob */
933: if (key_to_blob(key, &blob, &blen) == 0)
1.8 markus 934: fatal("%s: key_to_blob failed", __func__);
1.1 provos 935: key->type = KEY_RSA1;
936:
937: buffer_init(&m);
938: buffer_put_string(&m, blob, blen);
939: buffer_put_string(&m, response, 16);
940: xfree(blob);
941:
1.7 mouring 942: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_RSARESPONSE, &m);
943: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_RSARESPONSE, &m);
1.1 provos 944:
945: success = buffer_get_int(&m);
946: buffer_free(&m);
947:
948: return (success);
949: }
1.29 markus 950:
951: #ifdef GSSAPI
952: OM_uint32
1.36 avsm 953: mm_ssh_gssapi_server_ctx(Gssctxt **ctx, gss_OID goid)
1.29 markus 954: {
955: Buffer m;
956: OM_uint32 major;
957:
958: /* Client doesn't get to see the context */
959: *ctx = NULL;
960:
961: buffer_init(&m);
1.36 avsm 962: buffer_put_string(&m, goid->elements, goid->length);
1.29 markus 963:
964: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSSETUP, &m);
965: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSSETUP, &m);
966:
967: major = buffer_get_int(&m);
968:
969: buffer_free(&m);
970: return (major);
971: }
972:
973: OM_uint32
974: mm_ssh_gssapi_accept_ctx(Gssctxt *ctx, gss_buffer_desc *in,
975: gss_buffer_desc *out, OM_uint32 *flags)
976: {
977: Buffer m;
978: OM_uint32 major;
1.30 deraadt 979: u_int len;
1.29 markus 980:
981: buffer_init(&m);
982: buffer_put_string(&m, in->value, in->length);
983:
984: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSSTEP, &m);
985: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSSTEP, &m);
986:
987: major = buffer_get_int(&m);
1.30 deraadt 988: out->value = buffer_get_string(&m, &len);
989: out->length = len;
1.29 markus 990: if (flags)
991: *flags = buffer_get_int(&m);
992:
993: buffer_free(&m);
994:
995: return (major);
1.35 markus 996: }
997:
998: OM_uint32
999: mm_ssh_gssapi_checkmic(Gssctxt *ctx, gss_buffer_t gssbuf, gss_buffer_t gssmic)
1000: {
1001: Buffer m;
1002: OM_uint32 major;
1003:
1004: buffer_init(&m);
1005: buffer_put_string(&m, gssbuf->value, gssbuf->length);
1006: buffer_put_string(&m, gssmic->value, gssmic->length);
1007:
1008: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSCHECKMIC, &m);
1009: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSCHECKMIC,
1010: &m);
1011:
1012: major = buffer_get_int(&m);
1013: buffer_free(&m);
1014: return(major);
1.29 markus 1015: }
1016:
1017: int
1018: mm_ssh_gssapi_userok(char *user)
1019: {
1020: Buffer m;
1021: int authenticated = 0;
1022:
1023: buffer_init(&m);
1024:
1025: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSUSEROK, &m);
1026: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSUSEROK,
1027: &m);
1028:
1029: authenticated = buffer_get_int(&m);
1030:
1031: buffer_free(&m);
1032: debug3("%s: user %sauthenticated",__func__, authenticated ? "" : "not ");
1033: return (authenticated);
1034: }
1035: #endif /* GSSAPI */
1.64 djm 1036:
1037: #ifdef JPAKE
1038: void
1039: mm_auth2_jpake_get_pwdata(Authctxt *authctxt, BIGNUM **s,
1040: char **hash_scheme, char **salt)
1041: {
1042: Buffer m;
1043:
1044: debug3("%s entering", __func__);
1045:
1046: buffer_init(&m);
1047: mm_request_send(pmonitor->m_recvfd,
1048: MONITOR_REQ_JPAKE_GET_PWDATA, &m);
1049:
1050: debug3("%s: waiting for MONITOR_ANS_JPAKE_GET_PWDATA", __func__);
1051: mm_request_receive_expect(pmonitor->m_recvfd,
1052: MONITOR_ANS_JPAKE_GET_PWDATA, &m);
1053:
1054: *hash_scheme = buffer_get_string(&m, NULL);
1055: *salt = buffer_get_string(&m, NULL);
1056:
1057: buffer_free(&m);
1058: }
1059:
1060: void
1.65 djm 1061: mm_jpake_step1(struct modp_group *grp,
1.64 djm 1062: u_char **id, u_int *id_len,
1063: BIGNUM **priv1, BIGNUM **priv2, BIGNUM **g_priv1, BIGNUM **g_priv2,
1064: u_char **priv1_proof, u_int *priv1_proof_len,
1065: u_char **priv2_proof, u_int *priv2_proof_len)
1066: {
1067: Buffer m;
1068:
1069: debug3("%s entering", __func__);
1070:
1071: buffer_init(&m);
1072: mm_request_send(pmonitor->m_recvfd,
1073: MONITOR_REQ_JPAKE_STEP1, &m);
1074:
1075: debug3("%s: waiting for MONITOR_ANS_JPAKE_STEP1", __func__);
1076: mm_request_receive_expect(pmonitor->m_recvfd,
1077: MONITOR_ANS_JPAKE_STEP1, &m);
1078:
1079: if ((*priv1 = BN_new()) == NULL ||
1080: (*priv2 = BN_new()) == NULL ||
1081: (*g_priv1 = BN_new()) == NULL ||
1082: (*g_priv2 = BN_new()) == NULL)
1083: fatal("%s: BN_new", __func__);
1084:
1085: *id = buffer_get_string(&m, id_len);
1086: /* priv1 and priv2 are, well, private */
1087: buffer_get_bignum2(&m, *g_priv1);
1088: buffer_get_bignum2(&m, *g_priv2);
1089: *priv1_proof = buffer_get_string(&m, priv1_proof_len);
1090: *priv2_proof = buffer_get_string(&m, priv2_proof_len);
1091:
1092: buffer_free(&m);
1093: }
1094:
1095: void
1.65 djm 1096: mm_jpake_step2(struct modp_group *grp, BIGNUM *s,
1.64 djm 1097: BIGNUM *mypub1, BIGNUM *theirpub1, BIGNUM *theirpub2, BIGNUM *mypriv2,
1098: const u_char *theirid, u_int theirid_len,
1099: const u_char *myid, u_int myid_len,
1100: const u_char *theirpub1_proof, u_int theirpub1_proof_len,
1101: const u_char *theirpub2_proof, u_int theirpub2_proof_len,
1102: BIGNUM **newpub,
1103: u_char **newpub_exponent_proof, u_int *newpub_exponent_proof_len)
1104: {
1105: Buffer m;
1106:
1107: debug3("%s entering", __func__);
1108:
1109: buffer_init(&m);
1110: /* monitor already has all bignums except theirpub1, theirpub2 */
1111: buffer_put_bignum2(&m, theirpub1);
1112: buffer_put_bignum2(&m, theirpub2);
1113: /* monitor already knows our id */
1114: buffer_put_string(&m, theirid, theirid_len);
1115: buffer_put_string(&m, theirpub1_proof, theirpub1_proof_len);
1116: buffer_put_string(&m, theirpub2_proof, theirpub2_proof_len);
1117:
1118: mm_request_send(pmonitor->m_recvfd,
1119: MONITOR_REQ_JPAKE_STEP2, &m);
1120:
1121: debug3("%s: waiting for MONITOR_ANS_JPAKE_STEP2", __func__);
1122: mm_request_receive_expect(pmonitor->m_recvfd,
1123: MONITOR_ANS_JPAKE_STEP2, &m);
1124:
1125: if ((*newpub = BN_new()) == NULL)
1126: fatal("%s: BN_new", __func__);
1127:
1128: buffer_get_bignum2(&m, *newpub);
1129: *newpub_exponent_proof = buffer_get_string(&m,
1130: newpub_exponent_proof_len);
1131:
1132: buffer_free(&m);
1133: }
1134:
1135: void
1.65 djm 1136: mm_jpake_key_confirm(struct modp_group *grp, BIGNUM *s, BIGNUM *step2_val,
1.64 djm 1137: BIGNUM *mypriv2, BIGNUM *mypub1, BIGNUM *mypub2,
1138: BIGNUM *theirpub1, BIGNUM *theirpub2,
1139: const u_char *my_id, u_int my_id_len,
1140: const u_char *their_id, u_int their_id_len,
1141: const u_char *sess_id, u_int sess_id_len,
1142: const u_char *theirpriv2_s_proof, u_int theirpriv2_s_proof_len,
1143: BIGNUM **k,
1144: u_char **confirm_hash, u_int *confirm_hash_len)
1145: {
1146: Buffer m;
1147:
1148: debug3("%s entering", __func__);
1149:
1150: buffer_init(&m);
1151: /* monitor already has all bignums except step2_val */
1152: buffer_put_bignum2(&m, step2_val);
1153: /* monitor already knows all the ids */
1154: buffer_put_string(&m, theirpriv2_s_proof, theirpriv2_s_proof_len);
1155:
1156: mm_request_send(pmonitor->m_recvfd,
1157: MONITOR_REQ_JPAKE_KEY_CONFIRM, &m);
1158:
1159: debug3("%s: waiting for MONITOR_ANS_JPAKE_KEY_CONFIRM", __func__);
1160: mm_request_receive_expect(pmonitor->m_recvfd,
1161: MONITOR_ANS_JPAKE_KEY_CONFIRM, &m);
1162:
1163: /* 'k' is sensitive and stays in the monitor */
1164: *confirm_hash = buffer_get_string(&m, confirm_hash_len);
1165:
1166: buffer_free(&m);
1167: }
1168:
1169: int
1170: mm_jpake_check_confirm(const BIGNUM *k,
1171: const u_char *peer_id, u_int peer_id_len,
1172: const u_char *sess_id, u_int sess_id_len,
1173: const u_char *peer_confirm_hash, u_int peer_confirm_hash_len)
1174: {
1175: Buffer m;
1176: int success = 0;
1177:
1178: debug3("%s entering", __func__);
1179:
1180: buffer_init(&m);
1181: /* k is dummy in slave, ignored */
1182: /* monitor knows all the ids */
1183: buffer_put_string(&m, peer_confirm_hash, peer_confirm_hash_len);
1184: mm_request_send(pmonitor->m_recvfd,
1185: MONITOR_REQ_JPAKE_CHECK_CONFIRM, &m);
1186:
1187: debug3("%s: waiting for MONITOR_ANS_JPAKE_CHECK_CONFIRM", __func__);
1188: mm_request_receive_expect(pmonitor->m_recvfd,
1189: MONITOR_ANS_JPAKE_CHECK_CONFIRM, &m);
1190:
1191: success = buffer_get_int(&m);
1192: buffer_free(&m);
1193:
1194: debug3("%s: success = %d", __func__, success);
1195: return success;
1196: }
1197: #endif /* JPAKE */
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