Annotation of src/usr.bin/ssh/monitor_wrap.c, Revision 1.71
1.71 ! djm 1: /* $OpenBSD: monitor_wrap.c,v 1.70 2010/08/31 11:54:45 djm 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:
1.47 stevesk 32: #include <errno.h>
1.46 stevesk 33: #include <pwd.h>
1.50 deraadt 34: #include <signal.h>
1.49 stevesk 35: #include <stdio.h>
1.48 stevesk 36: #include <string.h>
1.51 dtucker 37: #include <unistd.h>
1.68 dtucker 38:
39: #include <openssl/bn.h>
40: #include <openssl/dh.h>
41: #include <openssl/evp.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"
1.70 djm 67: #include "uuencode.h"
1.1 provos 68:
69: #include "channels.h"
70: #include "session.h"
1.55 dtucker 71: #include "servconf.h"
1.67 andreas 72: #include "roaming.h"
1.29 markus 73:
1.1 provos 74: /* Imports */
75: extern int compat20;
76: extern z_stream incoming_stream;
77: extern z_stream outgoing_stream;
1.7 mouring 78: extern struct monitor *pmonitor;
1.39 dtucker 79: extern Buffer loginmsg;
1.55 dtucker 80: extern ServerOptions options;
1.1 provos 81:
1.32 markus 82: int
83: mm_is_monitor(void)
84: {
85: /*
86: * m_pid is only set in the privileged part, and
87: * points to the unprivileged child.
88: */
1.34 markus 89: return (pmonitor && pmonitor->m_pid > 0);
1.32 markus 90: }
91:
1.1 provos 92: void
1.36 avsm 93: mm_request_send(int sock, enum monitor_reqtype type, Buffer *m)
1.1 provos 94: {
1.13 deraadt 95: u_int mlen = buffer_len(m);
1.1 provos 96: u_char buf[5];
97:
1.8 markus 98: debug3("%s entering: type %d", __func__, type);
1.1 provos 99:
1.45 djm 100: put_u32(buf, mlen + 1);
1.10 deraadt 101: buf[4] = (u_char) type; /* 1st byte of payload is mesg-type */
1.36 avsm 102: if (atomicio(vwrite, sock, buf, sizeof(buf)) != sizeof(buf))
1.40 avsm 103: fatal("%s: write: %s", __func__, strerror(errno));
1.36 avsm 104: if (atomicio(vwrite, sock, buffer_ptr(m), mlen) != mlen)
1.40 avsm 105: fatal("%s: write: %s", __func__, strerror(errno));
1.1 provos 106: }
107:
108: void
1.36 avsm 109: mm_request_receive(int sock, Buffer *m)
1.1 provos 110: {
111: u_char buf[4];
1.13 deraadt 112: u_int msg_len;
1.1 provos 113:
1.8 markus 114: debug3("%s entering", __func__);
1.1 provos 115:
1.40 avsm 116: if (atomicio(read, sock, buf, sizeof(buf)) != sizeof(buf)) {
117: if (errno == EPIPE)
1.32 markus 118: cleanup_exit(255);
1.40 avsm 119: fatal("%s: read: %s", __func__, strerror(errno));
1.1 provos 120: }
1.45 djm 121: msg_len = get_u32(buf);
1.1 provos 122: if (msg_len > 256 * 1024)
1.8 markus 123: fatal("%s: read: bad msg_len %d", __func__, msg_len);
1.1 provos 124: buffer_clear(m);
125: buffer_append_space(m, msg_len);
1.40 avsm 126: if (atomicio(read, sock, buffer_ptr(m), msg_len) != msg_len)
127: fatal("%s: read: %s", __func__, strerror(errno));
1.1 provos 128: }
129:
130: void
1.36 avsm 131: mm_request_receive_expect(int sock, enum monitor_reqtype type, Buffer *m)
1.1 provos 132: {
133: u_char rtype;
134:
1.8 markus 135: debug3("%s entering: type %d", __func__, type);
1.1 provos 136:
1.36 avsm 137: mm_request_receive(sock, m);
1.1 provos 138: rtype = buffer_get_char(m);
139: if (rtype != type)
1.8 markus 140: fatal("%s: read: rtype %d != type %d", __func__,
1.1 provos 141: rtype, type);
142: }
143:
144: DH *
145: mm_choose_dh(int min, int nbits, int max)
146: {
147: BIGNUM *p, *g;
148: int success = 0;
149: Buffer m;
150:
151: buffer_init(&m);
152: buffer_put_int(&m, min);
153: buffer_put_int(&m, nbits);
154: buffer_put_int(&m, max);
155:
1.7 mouring 156: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_MODULI, &m);
1.1 provos 157:
1.8 markus 158: debug3("%s: waiting for MONITOR_ANS_MODULI", __func__);
1.7 mouring 159: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_MODULI, &m);
1.1 provos 160:
161: success = buffer_get_char(&m);
162: if (success == 0)
1.8 markus 163: fatal("%s: MONITOR_ANS_MODULI failed", __func__);
1.1 provos 164:
165: if ((p = BN_new()) == NULL)
1.8 markus 166: fatal("%s: BN_new failed", __func__);
1.3 markus 167: if ((g = BN_new()) == NULL)
1.8 markus 168: fatal("%s: BN_new failed", __func__);
1.1 provos 169: buffer_get_bignum2(&m, p);
170: buffer_get_bignum2(&m, g);
171:
1.8 markus 172: debug3("%s: remaining %d", __func__, buffer_len(&m));
1.1 provos 173: buffer_free(&m);
174:
175: return (dh_new_group(g, p));
176: }
177:
178: int
179: mm_key_sign(Key *key, u_char **sigp, u_int *lenp, u_char *data, u_int datalen)
180: {
1.7 mouring 181: Kex *kex = *pmonitor->m_pkex;
1.1 provos 182: Buffer m;
183:
1.8 markus 184: debug3("%s entering", __func__);
1.1 provos 185:
186: buffer_init(&m);
187: buffer_put_int(&m, kex->host_key_index(key));
188: buffer_put_string(&m, data, datalen);
189:
1.7 mouring 190: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_SIGN, &m);
1.1 provos 191:
1.8 markus 192: debug3("%s: waiting for MONITOR_ANS_SIGN", __func__);
1.7 mouring 193: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_SIGN, &m);
1.1 provos 194: *sigp = buffer_get_string(&m, lenp);
195: buffer_free(&m);
196:
197: return (0);
198: }
199:
200: struct passwd *
1.37 dtucker 201: mm_getpwnamallow(const char *username)
1.1 provos 202: {
203: Buffer m;
204: struct passwd *pw;
1.55 dtucker 205: u_int len;
206: ServerOptions *newopts;
1.1 provos 207:
1.8 markus 208: debug3("%s entering", __func__);
1.1 provos 209:
210: buffer_init(&m);
1.37 dtucker 211: buffer_put_cstring(&m, username);
1.1 provos 212:
1.7 mouring 213: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PWNAM, &m);
1.1 provos 214:
1.8 markus 215: debug3("%s: waiting for MONITOR_ANS_PWNAM", __func__);
1.7 mouring 216: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PWNAM, &m);
1.1 provos 217:
218: if (buffer_get_char(&m) == 0) {
1.60 dtucker 219: pw = NULL;
220: goto out;
1.1 provos 221: }
1.55 dtucker 222: pw = buffer_get_string(&m, &len);
223: if (len != sizeof(struct passwd))
1.8 markus 224: fatal("%s: struct passwd size mismatch", __func__);
1.1 provos 225: pw->pw_name = buffer_get_string(&m, NULL);
226: pw->pw_passwd = buffer_get_string(&m, NULL);
227: pw->pw_gecos = buffer_get_string(&m, NULL);
228: pw->pw_class = buffer_get_string(&m, NULL);
229: pw->pw_dir = buffer_get_string(&m, NULL);
230: pw->pw_shell = buffer_get_string(&m, NULL);
1.55 dtucker 231:
1.60 dtucker 232: out:
1.55 dtucker 233: /* copy options block as a Match directive may have changed some */
234: newopts = buffer_get_string(&m, &len);
235: if (len != sizeof(*newopts))
236: fatal("%s: option block size mismatch", __func__);
1.71 ! djm 237:
! 238: #define M_CP_STROPT(x) do { \
! 239: if (newopts->x != NULL) \
! 240: newopts->x = buffer_get_string(&m, NULL); \
! 241: } while (0)
! 242: /* See comment in servconf.h */
! 243: COPY_MATCH_STRING_OPTS();
! 244: #undef M_CP_STROPT
! 245:
1.55 dtucker 246: copy_set_server_options(&options, newopts, 1);
247: xfree(newopts);
248:
1.1 provos 249: buffer_free(&m);
250:
251: return (pw);
1.6 djm 252: }
253:
1.33 markus 254: char *
255: mm_auth2_read_banner(void)
1.6 djm 256: {
257: Buffer m;
258: char *banner;
259:
1.8 markus 260: debug3("%s entering", __func__);
1.6 djm 261:
262: buffer_init(&m);
1.7 mouring 263: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTH2_READ_BANNER, &m);
1.6 djm 264: buffer_clear(&m);
265:
1.33 markus 266: mm_request_receive_expect(pmonitor->m_recvfd,
267: MONITOR_ANS_AUTH2_READ_BANNER, &m);
1.6 djm 268: banner = buffer_get_string(&m, NULL);
269: buffer_free(&m);
1.10 deraadt 270:
1.33 markus 271: /* treat empty banner as missing banner */
272: if (strlen(banner) == 0) {
273: xfree(banner);
274: banner = NULL;
275: }
1.6 djm 276: return (banner);
1.1 provos 277: }
278:
279: /* Inform the privileged process about service and style */
280:
281: void
282: mm_inform_authserv(char *service, char *style)
283: {
284: Buffer m;
285:
1.8 markus 286: debug3("%s entering", __func__);
1.1 provos 287:
288: buffer_init(&m);
289: buffer_put_cstring(&m, service);
290: buffer_put_cstring(&m, style ? style : "");
291:
1.7 mouring 292: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTHSERV, &m);
1.1 provos 293:
294: buffer_free(&m);
295: }
296:
297: /* Do the password authentication */
298: int
299: mm_auth_password(Authctxt *authctxt, char *password)
300: {
301: Buffer m;
302: int authenticated = 0;
303:
1.8 markus 304: debug3("%s entering", __func__);
1.1 provos 305:
306: buffer_init(&m);
307: buffer_put_cstring(&m, password);
1.7 mouring 308: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTHPASSWORD, &m);
1.1 provos 309:
1.8 markus 310: debug3("%s: waiting for MONITOR_ANS_AUTHPASSWORD", __func__);
1.7 mouring 311: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_AUTHPASSWORD, &m);
1.1 provos 312:
313: authenticated = buffer_get_int(&m);
314:
315: buffer_free(&m);
316:
1.3 markus 317: debug3("%s: user %sauthenticated",
1.8 markus 318: __func__, authenticated ? "" : "not ");
1.1 provos 319: return (authenticated);
320: }
321:
322: int
323: mm_user_key_allowed(struct passwd *pw, Key *key)
324: {
325: return (mm_key_allowed(MM_USERKEY, NULL, NULL, key));
326: }
327:
328: int
329: mm_hostbased_key_allowed(struct passwd *pw, char *user, char *host,
330: Key *key)
331: {
332: return (mm_key_allowed(MM_HOSTKEY, user, host, key));
333: }
334:
335: int
336: mm_auth_rhosts_rsa_key_allowed(struct passwd *pw, char *user,
337: char *host, Key *key)
338: {
339: int ret;
340:
341: key->type = KEY_RSA; /* XXX hack for key_to_blob */
342: ret = mm_key_allowed(MM_RSAHOSTKEY, user, host, key);
343: key->type = KEY_RSA1;
344: return (ret);
345: }
346:
347: int
348: mm_key_allowed(enum mm_keytype type, char *user, char *host, Key *key)
349: {
350: Buffer m;
351: u_char *blob;
352: u_int len;
1.22 markus 353: int allowed = 0, have_forced = 0;
1.1 provos 354:
1.8 markus 355: debug3("%s entering", __func__);
1.1 provos 356:
357: /* Convert the key to a blob and the pass it over */
358: if (!key_to_blob(key, &blob, &len))
359: return (0);
360:
361: buffer_init(&m);
362: buffer_put_int(&m, type);
363: buffer_put_cstring(&m, user ? user : "");
364: buffer_put_cstring(&m, host ? host : "");
365: buffer_put_string(&m, blob, len);
366: xfree(blob);
367:
1.7 mouring 368: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_KEYALLOWED, &m);
1.1 provos 369:
1.8 markus 370: debug3("%s: waiting for MONITOR_ANS_KEYALLOWED", __func__);
1.7 mouring 371: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_KEYALLOWED, &m);
1.1 provos 372:
373: allowed = buffer_get_int(&m);
374:
1.22 markus 375: /* fake forced command */
376: auth_clear_options();
377: have_forced = buffer_get_int(&m);
378: forced_command = have_forced ? xstrdup("true") : NULL;
379:
1.1 provos 380: buffer_free(&m);
381:
382: return (allowed);
383: }
384:
1.3 markus 385: /*
1.1 provos 386: * This key verify needs to send the key type along, because the
387: * privileged parent makes the decision if the key is allowed
388: * for authentication.
389: */
390:
391: int
392: mm_key_verify(Key *key, u_char *sig, u_int siglen, u_char *data, u_int datalen)
393: {
394: Buffer m;
395: u_char *blob;
396: u_int len;
397: int verified = 0;
398:
1.8 markus 399: debug3("%s entering", __func__);
1.1 provos 400:
401: /* Convert the key to a blob and the pass it over */
402: if (!key_to_blob(key, &blob, &len))
403: return (0);
404:
405: buffer_init(&m);
406: buffer_put_string(&m, blob, len);
407: buffer_put_string(&m, sig, siglen);
408: buffer_put_string(&m, data, datalen);
409: xfree(blob);
410:
1.7 mouring 411: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_KEYVERIFY, &m);
1.1 provos 412:
1.8 markus 413: debug3("%s: waiting for MONITOR_ANS_KEYVERIFY", __func__);
1.7 mouring 414: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_KEYVERIFY, &m);
1.1 provos 415:
416: verified = buffer_get_int(&m);
417:
418: buffer_free(&m);
419:
420: return (verified);
421: }
422:
423: /* Export key state after authentication */
424: Newkeys *
425: mm_newkeys_from_blob(u_char *blob, int blen)
426: {
427: Buffer b;
428: u_int len;
429: Newkeys *newkey = NULL;
430: Enc *enc;
431: Mac *mac;
432: Comp *comp;
433:
1.8 markus 434: debug3("%s: %p(%d)", __func__, blob, blen);
1.1 provos 435: #ifdef DEBUG_PK
436: dump_base64(stderr, blob, blen);
437: #endif
438: buffer_init(&b);
439: buffer_append(&b, blob, blen);
440:
441: newkey = xmalloc(sizeof(*newkey));
442: enc = &newkey->enc;
443: mac = &newkey->mac;
444: comp = &newkey->comp;
445:
446: /* Enc structure */
447: enc->name = buffer_get_string(&b, NULL);
448: buffer_get(&b, &enc->cipher, sizeof(enc->cipher));
449: enc->enabled = buffer_get_int(&b);
450: enc->block_size = buffer_get_int(&b);
451: enc->key = buffer_get_string(&b, &enc->key_len);
452: enc->iv = buffer_get_string(&b, &len);
453: if (len != enc->block_size)
1.12 deraadt 454: fatal("%s: bad ivlen: expected %u != %u", __func__,
1.1 provos 455: enc->block_size, len);
456:
457: if (enc->name == NULL || cipher_by_name(enc->name) != enc->cipher)
1.8 markus 458: fatal("%s: bad cipher name %s or pointer %p", __func__,
1.1 provos 459: enc->name, enc->cipher);
460:
461: /* Mac structure */
462: mac->name = buffer_get_string(&b, NULL);
1.56 djm 463: if (mac->name == NULL || mac_setup(mac, mac->name) == -1)
1.57 pvalchev 464: fatal("%s: can not setup mac %s", __func__, mac->name);
1.1 provos 465: mac->enabled = buffer_get_int(&b);
466: mac->key = buffer_get_string(&b, &len);
467: if (len > mac->key_len)
1.12 deraadt 468: fatal("%s: bad mac key length: %u > %d", __func__, len,
1.1 provos 469: mac->key_len);
470: mac->key_len = len;
471:
472: /* Comp structure */
473: comp->type = buffer_get_int(&b);
474: comp->enabled = buffer_get_int(&b);
475: comp->name = buffer_get_string(&b, NULL);
476:
477: len = buffer_len(&b);
478: if (len != 0)
1.12 deraadt 479: error("newkeys_from_blob: remaining bytes in blob %u", len);
1.1 provos 480: buffer_free(&b);
481: return (newkey);
482: }
483:
484: int
485: mm_newkeys_to_blob(int mode, u_char **blobp, u_int *lenp)
486: {
487: Buffer b;
488: int len;
489: Enc *enc;
490: Mac *mac;
491: Comp *comp;
1.66 andreas 492: Newkeys *newkey = (Newkeys *)packet_get_newkeys(mode);
1.1 provos 493:
1.8 markus 494: debug3("%s: converting %p", __func__, newkey);
1.1 provos 495:
496: if (newkey == NULL) {
1.8 markus 497: error("%s: newkey == NULL", __func__);
1.1 provos 498: return 0;
499: }
500: enc = &newkey->enc;
501: mac = &newkey->mac;
502: comp = &newkey->comp;
503:
504: buffer_init(&b);
505: /* Enc structure */
506: buffer_put_cstring(&b, enc->name);
507: /* The cipher struct is constant and shared, you export pointer */
508: buffer_append(&b, &enc->cipher, sizeof(enc->cipher));
509: buffer_put_int(&b, enc->enabled);
510: buffer_put_int(&b, enc->block_size);
511: buffer_put_string(&b, enc->key, enc->key_len);
512: packet_get_keyiv(mode, enc->iv, enc->block_size);
513: buffer_put_string(&b, enc->iv, enc->block_size);
514:
515: /* Mac structure */
516: buffer_put_cstring(&b, mac->name);
517: buffer_put_int(&b, mac->enabled);
518: buffer_put_string(&b, mac->key, mac->key_len);
519:
520: /* Comp structure */
521: buffer_put_int(&b, comp->type);
522: buffer_put_int(&b, comp->enabled);
523: buffer_put_cstring(&b, comp->name);
524:
525: len = buffer_len(&b);
1.16 markus 526: if (lenp != NULL)
527: *lenp = len;
528: if (blobp != NULL) {
529: *blobp = xmalloc(len);
530: memcpy(*blobp, buffer_ptr(&b), len);
531: }
1.1 provos 532: memset(buffer_ptr(&b), 0, len);
533: buffer_free(&b);
534: return len;
535: }
536:
1.2 markus 537: static void
1.1 provos 538: mm_send_kex(Buffer *m, Kex *kex)
539: {
540: buffer_put_string(m, kex->session_id, kex->session_id_len);
541: buffer_put_int(m, kex->we_need);
542: buffer_put_int(m, kex->hostkey_type);
543: buffer_put_int(m, kex->kex_type);
544: buffer_put_string(m, buffer_ptr(&kex->my), buffer_len(&kex->my));
545: buffer_put_string(m, buffer_ptr(&kex->peer), buffer_len(&kex->peer));
546: buffer_put_int(m, kex->flags);
547: buffer_put_cstring(m, kex->client_version_string);
548: buffer_put_cstring(m, kex->server_version_string);
549: }
550:
551: void
1.36 avsm 552: mm_send_keystate(struct monitor *monitor)
1.1 provos 553: {
1.66 andreas 554: Buffer m, *input, *output;
1.1 provos 555: u_char *blob, *p;
556: u_int bloblen, plen;
1.25 markus 557: u_int32_t seqnr, packets;
1.63 markus 558: u_int64_t blocks, bytes;
1.1 provos 559:
560: buffer_init(&m);
561:
562: if (!compat20) {
563: u_char iv[24];
1.11 markus 564: u_char *key;
565: u_int ivlen, keylen;
1.1 provos 566:
567: buffer_put_int(&m, packet_get_protocol_flags());
568:
569: buffer_put_int(&m, packet_get_ssh1_cipher());
570:
1.11 markus 571: debug3("%s: Sending ssh1 KEY+IV", __func__);
572: keylen = packet_get_encryption_key(NULL);
573: key = xmalloc(keylen+1); /* add 1 if keylen == 0 */
574: keylen = packet_get_encryption_key(key);
575: buffer_put_string(&m, key, keylen);
576: memset(key, 0, keylen);
577: xfree(key);
578:
1.1 provos 579: ivlen = packet_get_keyiv_len(MODE_OUT);
580: packet_get_keyiv(MODE_OUT, iv, ivlen);
581: buffer_put_string(&m, iv, ivlen);
582: ivlen = packet_get_keyiv_len(MODE_OUT);
583: packet_get_keyiv(MODE_IN, iv, ivlen);
584: buffer_put_string(&m, iv, ivlen);
585: goto skip;
586: } else {
587: /* Kex for rekeying */
1.36 avsm 588: mm_send_kex(&m, *monitor->m_pkex);
1.1 provos 589: }
590:
591: debug3("%s: Sending new keys: %p %p",
1.66 andreas 592: __func__, packet_get_newkeys(MODE_OUT),
593: packet_get_newkeys(MODE_IN));
1.1 provos 594:
595: /* Keys from Kex */
596: if (!mm_newkeys_to_blob(MODE_OUT, &blob, &bloblen))
1.8 markus 597: fatal("%s: conversion of newkeys failed", __func__);
1.1 provos 598:
599: buffer_put_string(&m, blob, bloblen);
600: xfree(blob);
601:
602: if (!mm_newkeys_to_blob(MODE_IN, &blob, &bloblen))
1.8 markus 603: fatal("%s: conversion of newkeys failed", __func__);
1.1 provos 604:
605: buffer_put_string(&m, blob, bloblen);
606: xfree(blob);
607:
1.63 markus 608: packet_get_state(MODE_OUT, &seqnr, &blocks, &packets, &bytes);
1.25 markus 609: buffer_put_int(&m, seqnr);
610: buffer_put_int64(&m, blocks);
611: buffer_put_int(&m, packets);
1.63 markus 612: buffer_put_int64(&m, bytes);
613: packet_get_state(MODE_IN, &seqnr, &blocks, &packets, &bytes);
1.25 markus 614: buffer_put_int(&m, seqnr);
615: buffer_put_int64(&m, blocks);
616: buffer_put_int(&m, packets);
1.63 markus 617: buffer_put_int64(&m, bytes);
1.1 provos 618:
1.8 markus 619: debug3("%s: New keys have been sent", __func__);
1.1 provos 620: skip:
621: /* More key context */
622: plen = packet_get_keycontext(MODE_OUT, NULL);
623: p = xmalloc(plen+1);
624: packet_get_keycontext(MODE_OUT, p);
625: buffer_put_string(&m, p, plen);
626: xfree(p);
627:
628: plen = packet_get_keycontext(MODE_IN, NULL);
629: p = xmalloc(plen+1);
630: packet_get_keycontext(MODE_IN, p);
631: buffer_put_string(&m, p, plen);
632: xfree(p);
633:
634: /* Compression state */
1.8 markus 635: debug3("%s: Sending compression state", __func__);
1.1 provos 636: buffer_put_string(&m, &outgoing_stream, sizeof(outgoing_stream));
637: buffer_put_string(&m, &incoming_stream, sizeof(incoming_stream));
638:
639: /* Network I/O buffers */
1.66 andreas 640: input = (Buffer *)packet_get_input();
641: output = (Buffer *)packet_get_output();
642: buffer_put_string(&m, buffer_ptr(input), buffer_len(input));
643: buffer_put_string(&m, buffer_ptr(output), buffer_len(output));
1.67 andreas 644:
645: /* Roaming */
646: if (compat20) {
647: buffer_put_int64(&m, get_sent_bytes());
648: buffer_put_int64(&m, get_recv_bytes());
649: }
1.1 provos 650:
1.36 avsm 651: mm_request_send(monitor->m_recvfd, MONITOR_REQ_KEYEXPORT, &m);
1.8 markus 652: debug3("%s: Finished sending state", __func__);
1.1 provos 653:
654: buffer_free(&m);
655: }
656:
657: int
1.42 deraadt 658: mm_pty_allocate(int *ptyfd, int *ttyfd, char *namebuf, size_t namebuflen)
1.1 provos 659: {
660: Buffer m;
1.39 dtucker 661: char *p, *msg;
1.62 djm 662: int success = 0, tmp1 = -1, tmp2 = -1;
663:
664: /* Kludge: ensure there are fds free to receive the pty/tty */
665: if ((tmp1 = dup(pmonitor->m_recvfd)) == -1 ||
666: (tmp2 = dup(pmonitor->m_recvfd)) == -1) {
667: error("%s: cannot allocate fds for pty", __func__);
668: if (tmp1 > 0)
669: close(tmp1);
670: if (tmp2 > 0)
671: close(tmp2);
672: return 0;
673: }
674: close(tmp1);
675: close(tmp2);
1.1 provos 676:
677: buffer_init(&m);
1.7 mouring 678: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PTY, &m);
1.1 provos 679:
1.8 markus 680: debug3("%s: waiting for MONITOR_ANS_PTY", __func__);
1.7 mouring 681: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PTY, &m);
1.1 provos 682:
683: success = buffer_get_int(&m);
684: if (success == 0) {
1.8 markus 685: debug3("%s: pty alloc failed", __func__);
1.1 provos 686: buffer_free(&m);
687: return (0);
688: }
689: p = buffer_get_string(&m, NULL);
1.39 dtucker 690: msg = buffer_get_string(&m, NULL);
1.1 provos 691: buffer_free(&m);
692:
693: strlcpy(namebuf, p, namebuflen); /* Possible truncation */
694: xfree(p);
1.39 dtucker 695:
696: buffer_append(&loginmsg, msg, strlen(msg));
697: xfree(msg);
1.1 provos 698:
1.58 djm 699: if ((*ptyfd = mm_receive_fd(pmonitor->m_recvfd)) == -1 ||
700: (*ttyfd = mm_receive_fd(pmonitor->m_recvfd)) == -1)
701: fatal("%s: receive fds failed", __func__);
1.1 provos 702:
703: /* Success */
704: return (1);
705: }
706:
707: void
1.32 markus 708: mm_session_pty_cleanup2(Session *s)
1.1 provos 709: {
710: Buffer m;
711:
712: if (s->ttyfd == -1)
713: return;
714: buffer_init(&m);
715: buffer_put_cstring(&m, s->tty);
1.7 mouring 716: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PTYCLEANUP, &m);
1.1 provos 717: buffer_free(&m);
1.3 markus 718:
1.1 provos 719: /* closed dup'ed master */
1.62 djm 720: if (s->ptymaster != -1 && close(s->ptymaster) < 0)
721: error("close(s->ptymaster/%d): %s",
722: s->ptymaster, strerror(errno));
1.1 provos 723:
724: /* unlink pty from session */
725: s->ttyfd = -1;
726: }
727:
728: /* Request process termination */
729:
730: void
731: mm_terminate(void)
732: {
733: Buffer m;
734:
735: buffer_init(&m);
1.7 mouring 736: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_TERM, &m);
1.1 provos 737: buffer_free(&m);
738: }
739:
740: int
741: mm_ssh1_session_key(BIGNUM *num)
742: {
743: int rsafail;
744: Buffer m;
745:
746: buffer_init(&m);
747: buffer_put_bignum2(&m, num);
1.7 mouring 748: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_SESSKEY, &m);
1.1 provos 749:
1.7 mouring 750: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_SESSKEY, &m);
1.1 provos 751:
752: rsafail = buffer_get_int(&m);
753: buffer_get_bignum2(&m, num);
754:
755: buffer_free(&m);
756:
757: return (rsafail);
758: }
759:
1.2 markus 760: static void
1.1 provos 761: mm_chall_setup(char **name, char **infotxt, u_int *numprompts,
762: char ***prompts, u_int **echo_on)
763: {
1.10 deraadt 764: *name = xstrdup("");
765: *infotxt = xstrdup("");
1.1 provos 766: *numprompts = 1;
1.43 djm 767: *prompts = xcalloc(*numprompts, sizeof(char *));
768: *echo_on = xcalloc(*numprompts, sizeof(u_int));
1.1 provos 769: (*echo_on)[0] = 0;
770: }
771:
772: int
773: mm_bsdauth_query(void *ctx, char **name, char **infotxt,
774: u_int *numprompts, char ***prompts, u_int **echo_on)
775: {
776: Buffer m;
1.21 markus 777: u_int success;
1.1 provos 778: char *challenge;
779:
1.8 markus 780: debug3("%s: entering", __func__);
1.1 provos 781:
782: buffer_init(&m);
1.7 mouring 783: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_BSDAUTHQUERY, &m);
1.1 provos 784:
1.7 mouring 785: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_BSDAUTHQUERY,
1.1 provos 786: &m);
1.21 markus 787: success = buffer_get_int(&m);
788: if (success == 0) {
1.8 markus 789: debug3("%s: no challenge", __func__);
1.1 provos 790: buffer_free(&m);
791: return (-1);
792: }
793:
794: /* Get the challenge, and format the response */
795: challenge = buffer_get_string(&m, NULL);
796: buffer_free(&m);
797:
798: mm_chall_setup(name, infotxt, numprompts, prompts, echo_on);
799: (*prompts)[0] = challenge;
800:
1.8 markus 801: debug3("%s: received challenge: %s", __func__, challenge);
1.1 provos 802:
803: return (0);
804: }
805:
806: int
807: mm_bsdauth_respond(void *ctx, u_int numresponses, char **responses)
808: {
809: Buffer m;
810: int authok;
811:
1.8 markus 812: debug3("%s: entering", __func__);
1.1 provos 813: if (numresponses != 1)
814: return (-1);
815:
816: buffer_init(&m);
817: buffer_put_cstring(&m, responses[0]);
1.7 mouring 818: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_BSDAUTHRESPOND, &m);
1.1 provos 819:
1.7 mouring 820: mm_request_receive_expect(pmonitor->m_recvfd,
1.1 provos 821: MONITOR_ANS_BSDAUTHRESPOND, &m);
822:
823: authok = buffer_get_int(&m);
824: buffer_free(&m);
825:
826: return ((authok == 0) ? -1 : 0);
827: }
828:
829:
830: void
831: mm_ssh1_session_id(u_char session_id[16])
832: {
833: Buffer m;
834: int i;
835:
1.8 markus 836: debug3("%s entering", __func__);
1.1 provos 837:
838: buffer_init(&m);
839: for (i = 0; i < 16; i++)
840: buffer_put_char(&m, session_id[i]);
841:
1.7 mouring 842: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_SESSID, &m);
1.1 provos 843: buffer_free(&m);
844: }
845:
846: int
847: mm_auth_rsa_key_allowed(struct passwd *pw, BIGNUM *client_n, Key **rkey)
848: {
849: Buffer m;
850: Key *key;
851: u_char *blob;
852: u_int blen;
1.22 markus 853: int allowed = 0, have_forced = 0;
1.1 provos 854:
1.8 markus 855: debug3("%s entering", __func__);
1.1 provos 856:
857: buffer_init(&m);
858: buffer_put_bignum2(&m, client_n);
859:
1.7 mouring 860: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_RSAKEYALLOWED, &m);
861: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_RSAKEYALLOWED, &m);
1.1 provos 862:
863: allowed = buffer_get_int(&m);
1.22 markus 864:
865: /* fake forced command */
866: auth_clear_options();
867: have_forced = buffer_get_int(&m);
868: forced_command = have_forced ? xstrdup("true") : NULL;
1.1 provos 869:
870: if (allowed && rkey != NULL) {
871: blob = buffer_get_string(&m, &blen);
872: if ((key = key_from_blob(blob, blen)) == NULL)
1.8 markus 873: fatal("%s: key_from_blob failed", __func__);
1.1 provos 874: *rkey = key;
875: xfree(blob);
876: }
877: buffer_free(&m);
878:
879: return (allowed);
880: }
881:
882: BIGNUM *
883: mm_auth_rsa_generate_challenge(Key *key)
884: {
885: Buffer m;
886: BIGNUM *challenge;
887: u_char *blob;
888: u_int blen;
889:
1.8 markus 890: debug3("%s entering", __func__);
1.1 provos 891:
892: if ((challenge = BN_new()) == NULL)
1.8 markus 893: fatal("%s: BN_new failed", __func__);
1.1 provos 894:
895: key->type = KEY_RSA; /* XXX cheat for key_to_blob */
896: if (key_to_blob(key, &blob, &blen) == 0)
1.8 markus 897: fatal("%s: key_to_blob failed", __func__);
1.1 provos 898: key->type = KEY_RSA1;
899:
900: buffer_init(&m);
901: buffer_put_string(&m, blob, blen);
902: xfree(blob);
903:
1.7 mouring 904: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_RSACHALLENGE, &m);
905: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_RSACHALLENGE, &m);
1.1 provos 906:
907: buffer_get_bignum2(&m, challenge);
908: buffer_free(&m);
909:
910: return (challenge);
911: }
912:
913: int
914: mm_auth_rsa_verify_response(Key *key, BIGNUM *p, u_char response[16])
915: {
916: Buffer m;
917: u_char *blob;
918: u_int blen;
919: int success = 0;
920:
1.8 markus 921: debug3("%s entering", __func__);
1.1 provos 922:
923: key->type = KEY_RSA; /* XXX cheat for key_to_blob */
924: if (key_to_blob(key, &blob, &blen) == 0)
1.8 markus 925: fatal("%s: key_to_blob failed", __func__);
1.1 provos 926: key->type = KEY_RSA1;
927:
928: buffer_init(&m);
929: buffer_put_string(&m, blob, blen);
930: buffer_put_string(&m, response, 16);
931: xfree(blob);
932:
1.7 mouring 933: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_RSARESPONSE, &m);
934: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_RSARESPONSE, &m);
1.1 provos 935:
936: success = buffer_get_int(&m);
937: buffer_free(&m);
938:
939: return (success);
940: }
1.29 markus 941:
942: #ifdef GSSAPI
943: OM_uint32
1.36 avsm 944: mm_ssh_gssapi_server_ctx(Gssctxt **ctx, gss_OID goid)
1.29 markus 945: {
946: Buffer m;
947: OM_uint32 major;
948:
949: /* Client doesn't get to see the context */
950: *ctx = NULL;
951:
952: buffer_init(&m);
1.36 avsm 953: buffer_put_string(&m, goid->elements, goid->length);
1.29 markus 954:
955: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSSETUP, &m);
956: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSSETUP, &m);
957:
958: major = buffer_get_int(&m);
959:
960: buffer_free(&m);
961: return (major);
962: }
963:
964: OM_uint32
965: mm_ssh_gssapi_accept_ctx(Gssctxt *ctx, gss_buffer_desc *in,
966: gss_buffer_desc *out, OM_uint32 *flags)
967: {
968: Buffer m;
969: OM_uint32 major;
1.30 deraadt 970: u_int len;
1.29 markus 971:
972: buffer_init(&m);
973: buffer_put_string(&m, in->value, in->length);
974:
975: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSSTEP, &m);
976: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSSTEP, &m);
977:
978: major = buffer_get_int(&m);
1.30 deraadt 979: out->value = buffer_get_string(&m, &len);
980: out->length = len;
1.29 markus 981: if (flags)
982: *flags = buffer_get_int(&m);
983:
984: buffer_free(&m);
985:
986: return (major);
1.35 markus 987: }
988:
989: OM_uint32
990: mm_ssh_gssapi_checkmic(Gssctxt *ctx, gss_buffer_t gssbuf, gss_buffer_t gssmic)
991: {
992: Buffer m;
993: OM_uint32 major;
994:
995: buffer_init(&m);
996: buffer_put_string(&m, gssbuf->value, gssbuf->length);
997: buffer_put_string(&m, gssmic->value, gssmic->length);
998:
999: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSCHECKMIC, &m);
1000: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSCHECKMIC,
1001: &m);
1002:
1003: major = buffer_get_int(&m);
1004: buffer_free(&m);
1005: return(major);
1.29 markus 1006: }
1007:
1008: int
1009: mm_ssh_gssapi_userok(char *user)
1010: {
1011: Buffer m;
1012: int authenticated = 0;
1013:
1014: buffer_init(&m);
1015:
1016: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSUSEROK, &m);
1017: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSUSEROK,
1018: &m);
1019:
1020: authenticated = buffer_get_int(&m);
1021:
1022: buffer_free(&m);
1023: debug3("%s: user %sauthenticated",__func__, authenticated ? "" : "not ");
1024: return (authenticated);
1025: }
1026: #endif /* GSSAPI */
1.64 djm 1027:
1028: #ifdef JPAKE
1029: void
1030: mm_auth2_jpake_get_pwdata(Authctxt *authctxt, BIGNUM **s,
1031: char **hash_scheme, char **salt)
1032: {
1033: Buffer m;
1034:
1035: debug3("%s entering", __func__);
1036:
1037: buffer_init(&m);
1038: mm_request_send(pmonitor->m_recvfd,
1039: MONITOR_REQ_JPAKE_GET_PWDATA, &m);
1040:
1041: debug3("%s: waiting for MONITOR_ANS_JPAKE_GET_PWDATA", __func__);
1042: mm_request_receive_expect(pmonitor->m_recvfd,
1043: MONITOR_ANS_JPAKE_GET_PWDATA, &m);
1044:
1045: *hash_scheme = buffer_get_string(&m, NULL);
1046: *salt = buffer_get_string(&m, NULL);
1047:
1048: buffer_free(&m);
1049: }
1050:
1051: void
1.65 djm 1052: mm_jpake_step1(struct modp_group *grp,
1.64 djm 1053: u_char **id, u_int *id_len,
1054: BIGNUM **priv1, BIGNUM **priv2, BIGNUM **g_priv1, BIGNUM **g_priv2,
1055: u_char **priv1_proof, u_int *priv1_proof_len,
1056: u_char **priv2_proof, u_int *priv2_proof_len)
1057: {
1058: Buffer m;
1059:
1060: debug3("%s entering", __func__);
1061:
1062: buffer_init(&m);
1063: mm_request_send(pmonitor->m_recvfd,
1064: MONITOR_REQ_JPAKE_STEP1, &m);
1065:
1066: debug3("%s: waiting for MONITOR_ANS_JPAKE_STEP1", __func__);
1067: mm_request_receive_expect(pmonitor->m_recvfd,
1068: MONITOR_ANS_JPAKE_STEP1, &m);
1069:
1070: if ((*priv1 = BN_new()) == NULL ||
1071: (*priv2 = BN_new()) == NULL ||
1072: (*g_priv1 = BN_new()) == NULL ||
1073: (*g_priv2 = BN_new()) == NULL)
1074: fatal("%s: BN_new", __func__);
1075:
1076: *id = buffer_get_string(&m, id_len);
1077: /* priv1 and priv2 are, well, private */
1078: buffer_get_bignum2(&m, *g_priv1);
1079: buffer_get_bignum2(&m, *g_priv2);
1080: *priv1_proof = buffer_get_string(&m, priv1_proof_len);
1081: *priv2_proof = buffer_get_string(&m, priv2_proof_len);
1082:
1083: buffer_free(&m);
1084: }
1085:
1086: void
1.65 djm 1087: mm_jpake_step2(struct modp_group *grp, BIGNUM *s,
1.64 djm 1088: BIGNUM *mypub1, BIGNUM *theirpub1, BIGNUM *theirpub2, BIGNUM *mypriv2,
1089: const u_char *theirid, u_int theirid_len,
1090: const u_char *myid, u_int myid_len,
1091: const u_char *theirpub1_proof, u_int theirpub1_proof_len,
1092: const u_char *theirpub2_proof, u_int theirpub2_proof_len,
1093: BIGNUM **newpub,
1094: u_char **newpub_exponent_proof, u_int *newpub_exponent_proof_len)
1095: {
1096: Buffer m;
1097:
1098: debug3("%s entering", __func__);
1099:
1100: buffer_init(&m);
1101: /* monitor already has all bignums except theirpub1, theirpub2 */
1102: buffer_put_bignum2(&m, theirpub1);
1103: buffer_put_bignum2(&m, theirpub2);
1104: /* monitor already knows our id */
1105: buffer_put_string(&m, theirid, theirid_len);
1106: buffer_put_string(&m, theirpub1_proof, theirpub1_proof_len);
1107: buffer_put_string(&m, theirpub2_proof, theirpub2_proof_len);
1108:
1109: mm_request_send(pmonitor->m_recvfd,
1110: MONITOR_REQ_JPAKE_STEP2, &m);
1111:
1112: debug3("%s: waiting for MONITOR_ANS_JPAKE_STEP2", __func__);
1113: mm_request_receive_expect(pmonitor->m_recvfd,
1114: MONITOR_ANS_JPAKE_STEP2, &m);
1115:
1116: if ((*newpub = BN_new()) == NULL)
1117: fatal("%s: BN_new", __func__);
1118:
1119: buffer_get_bignum2(&m, *newpub);
1120: *newpub_exponent_proof = buffer_get_string(&m,
1121: newpub_exponent_proof_len);
1122:
1123: buffer_free(&m);
1124: }
1125:
1126: void
1.65 djm 1127: mm_jpake_key_confirm(struct modp_group *grp, BIGNUM *s, BIGNUM *step2_val,
1.64 djm 1128: BIGNUM *mypriv2, BIGNUM *mypub1, BIGNUM *mypub2,
1129: BIGNUM *theirpub1, BIGNUM *theirpub2,
1130: const u_char *my_id, u_int my_id_len,
1131: const u_char *their_id, u_int their_id_len,
1132: const u_char *sess_id, u_int sess_id_len,
1133: const u_char *theirpriv2_s_proof, u_int theirpriv2_s_proof_len,
1134: BIGNUM **k,
1135: u_char **confirm_hash, u_int *confirm_hash_len)
1136: {
1137: Buffer m;
1138:
1139: debug3("%s entering", __func__);
1140:
1141: buffer_init(&m);
1142: /* monitor already has all bignums except step2_val */
1143: buffer_put_bignum2(&m, step2_val);
1144: /* monitor already knows all the ids */
1145: buffer_put_string(&m, theirpriv2_s_proof, theirpriv2_s_proof_len);
1146:
1147: mm_request_send(pmonitor->m_recvfd,
1148: MONITOR_REQ_JPAKE_KEY_CONFIRM, &m);
1149:
1150: debug3("%s: waiting for MONITOR_ANS_JPAKE_KEY_CONFIRM", __func__);
1151: mm_request_receive_expect(pmonitor->m_recvfd,
1152: MONITOR_ANS_JPAKE_KEY_CONFIRM, &m);
1153:
1154: /* 'k' is sensitive and stays in the monitor */
1155: *confirm_hash = buffer_get_string(&m, confirm_hash_len);
1156:
1157: buffer_free(&m);
1158: }
1159:
1160: int
1161: mm_jpake_check_confirm(const BIGNUM *k,
1162: const u_char *peer_id, u_int peer_id_len,
1163: const u_char *sess_id, u_int sess_id_len,
1164: const u_char *peer_confirm_hash, u_int peer_confirm_hash_len)
1165: {
1166: Buffer m;
1167: int success = 0;
1168:
1169: debug3("%s entering", __func__);
1170:
1171: buffer_init(&m);
1172: /* k is dummy in slave, ignored */
1173: /* monitor knows all the ids */
1174: buffer_put_string(&m, peer_confirm_hash, peer_confirm_hash_len);
1175: mm_request_send(pmonitor->m_recvfd,
1176: MONITOR_REQ_JPAKE_CHECK_CONFIRM, &m);
1177:
1178: debug3("%s: waiting for MONITOR_ANS_JPAKE_CHECK_CONFIRM", __func__);
1179: mm_request_receive_expect(pmonitor->m_recvfd,
1180: MONITOR_ANS_JPAKE_CHECK_CONFIRM, &m);
1181:
1182: success = buffer_get_int(&m);
1183: buffer_free(&m);
1184:
1185: debug3("%s: success = %d", __func__, success);
1186: return success;
1187: }
1188: #endif /* JPAKE */
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