Annotation of src/usr.bin/ssh/monitor_wrap.c, Revision 1.72
1.72 ! djm 1: /* $OpenBSD: monitor_wrap.c,v 1.71 2011/05/20 03:25:45 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;
1.72 ! djm 205: u_int len, i;
1.55 dtucker 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)
1.72 ! djm 242: #define M_CP_STRARRAYOPT(x, nx) do { \
! 243: for (i = 0; i < newopts->nx; i++) \
! 244: newopts->x[i] = buffer_get_string(&m, NULL); \
! 245: } while (0)
1.71 djm 246: /* See comment in servconf.h */
247: COPY_MATCH_STRING_OPTS();
248: #undef M_CP_STROPT
1.72 ! djm 249: #undef M_CP_STRARRAYOPT
1.71 djm 250:
1.55 dtucker 251: copy_set_server_options(&options, newopts, 1);
252: xfree(newopts);
253:
1.1 provos 254: buffer_free(&m);
255:
256: return (pw);
1.6 djm 257: }
258:
1.33 markus 259: char *
260: mm_auth2_read_banner(void)
1.6 djm 261: {
262: Buffer m;
263: char *banner;
264:
1.8 markus 265: debug3("%s entering", __func__);
1.6 djm 266:
267: buffer_init(&m);
1.7 mouring 268: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTH2_READ_BANNER, &m);
1.6 djm 269: buffer_clear(&m);
270:
1.33 markus 271: mm_request_receive_expect(pmonitor->m_recvfd,
272: MONITOR_ANS_AUTH2_READ_BANNER, &m);
1.6 djm 273: banner = buffer_get_string(&m, NULL);
274: buffer_free(&m);
1.10 deraadt 275:
1.33 markus 276: /* treat empty banner as missing banner */
277: if (strlen(banner) == 0) {
278: xfree(banner);
279: banner = NULL;
280: }
1.6 djm 281: return (banner);
1.1 provos 282: }
283:
284: /* Inform the privileged process about service and style */
285:
286: void
287: mm_inform_authserv(char *service, char *style)
288: {
289: Buffer m;
290:
1.8 markus 291: debug3("%s entering", __func__);
1.1 provos 292:
293: buffer_init(&m);
294: buffer_put_cstring(&m, service);
295: buffer_put_cstring(&m, style ? style : "");
296:
1.7 mouring 297: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTHSERV, &m);
1.1 provos 298:
299: buffer_free(&m);
300: }
301:
302: /* Do the password authentication */
303: int
304: mm_auth_password(Authctxt *authctxt, char *password)
305: {
306: Buffer m;
307: int authenticated = 0;
308:
1.8 markus 309: debug3("%s entering", __func__);
1.1 provos 310:
311: buffer_init(&m);
312: buffer_put_cstring(&m, password);
1.7 mouring 313: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTHPASSWORD, &m);
1.1 provos 314:
1.8 markus 315: debug3("%s: waiting for MONITOR_ANS_AUTHPASSWORD", __func__);
1.7 mouring 316: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_AUTHPASSWORD, &m);
1.1 provos 317:
318: authenticated = buffer_get_int(&m);
319:
320: buffer_free(&m);
321:
1.3 markus 322: debug3("%s: user %sauthenticated",
1.8 markus 323: __func__, authenticated ? "" : "not ");
1.1 provos 324: return (authenticated);
325: }
326:
327: int
328: mm_user_key_allowed(struct passwd *pw, Key *key)
329: {
330: return (mm_key_allowed(MM_USERKEY, NULL, NULL, key));
331: }
332:
333: int
334: mm_hostbased_key_allowed(struct passwd *pw, char *user, char *host,
335: Key *key)
336: {
337: return (mm_key_allowed(MM_HOSTKEY, user, host, key));
338: }
339:
340: int
341: mm_auth_rhosts_rsa_key_allowed(struct passwd *pw, char *user,
342: char *host, Key *key)
343: {
344: int ret;
345:
346: key->type = KEY_RSA; /* XXX hack for key_to_blob */
347: ret = mm_key_allowed(MM_RSAHOSTKEY, user, host, key);
348: key->type = KEY_RSA1;
349: return (ret);
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: buffer_free(&m);
386:
387: return (allowed);
388: }
389:
1.3 markus 390: /*
1.1 provos 391: * This key verify needs to send the key type along, because the
392: * privileged parent makes the decision if the key is allowed
393: * for authentication.
394: */
395:
396: int
397: mm_key_verify(Key *key, u_char *sig, u_int siglen, u_char *data, u_int datalen)
398: {
399: Buffer m;
400: u_char *blob;
401: u_int len;
402: int verified = 0;
403:
1.8 markus 404: debug3("%s entering", __func__);
1.1 provos 405:
406: /* Convert the key to a blob and the pass it over */
407: if (!key_to_blob(key, &blob, &len))
408: return (0);
409:
410: buffer_init(&m);
411: buffer_put_string(&m, blob, len);
412: buffer_put_string(&m, sig, siglen);
413: buffer_put_string(&m, data, datalen);
414: xfree(blob);
415:
1.7 mouring 416: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_KEYVERIFY, &m);
1.1 provos 417:
1.8 markus 418: debug3("%s: waiting for MONITOR_ANS_KEYVERIFY", __func__);
1.7 mouring 419: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_KEYVERIFY, &m);
1.1 provos 420:
421: verified = buffer_get_int(&m);
422:
423: buffer_free(&m);
424:
425: return (verified);
426: }
427:
428: /* Export key state after authentication */
429: Newkeys *
430: mm_newkeys_from_blob(u_char *blob, int blen)
431: {
432: Buffer b;
433: u_int len;
434: Newkeys *newkey = NULL;
435: Enc *enc;
436: Mac *mac;
437: Comp *comp;
438:
1.8 markus 439: debug3("%s: %p(%d)", __func__, blob, blen);
1.1 provos 440: #ifdef DEBUG_PK
441: dump_base64(stderr, blob, blen);
442: #endif
443: buffer_init(&b);
444: buffer_append(&b, blob, blen);
445:
446: newkey = xmalloc(sizeof(*newkey));
447: enc = &newkey->enc;
448: mac = &newkey->mac;
449: comp = &newkey->comp;
450:
451: /* Enc structure */
452: enc->name = buffer_get_string(&b, NULL);
453: buffer_get(&b, &enc->cipher, sizeof(enc->cipher));
454: enc->enabled = buffer_get_int(&b);
455: enc->block_size = buffer_get_int(&b);
456: enc->key = buffer_get_string(&b, &enc->key_len);
457: enc->iv = buffer_get_string(&b, &len);
458: if (len != enc->block_size)
1.12 deraadt 459: fatal("%s: bad ivlen: expected %u != %u", __func__,
1.1 provos 460: enc->block_size, len);
461:
462: if (enc->name == NULL || cipher_by_name(enc->name) != enc->cipher)
1.8 markus 463: fatal("%s: bad cipher name %s or pointer %p", __func__,
1.1 provos 464: enc->name, enc->cipher);
465:
466: /* Mac structure */
467: mac->name = buffer_get_string(&b, NULL);
1.56 djm 468: if (mac->name == NULL || mac_setup(mac, mac->name) == -1)
1.57 pvalchev 469: fatal("%s: can not setup mac %s", __func__, mac->name);
1.1 provos 470: mac->enabled = buffer_get_int(&b);
471: mac->key = buffer_get_string(&b, &len);
472: if (len > mac->key_len)
1.12 deraadt 473: fatal("%s: bad mac key length: %u > %d", __func__, len,
1.1 provos 474: mac->key_len);
475: mac->key_len = len;
476:
477: /* Comp structure */
478: comp->type = buffer_get_int(&b);
479: comp->enabled = buffer_get_int(&b);
480: comp->name = buffer_get_string(&b, NULL);
481:
482: len = buffer_len(&b);
483: if (len != 0)
1.12 deraadt 484: error("newkeys_from_blob: remaining bytes in blob %u", len);
1.1 provos 485: buffer_free(&b);
486: return (newkey);
487: }
488:
489: int
490: mm_newkeys_to_blob(int mode, u_char **blobp, u_int *lenp)
491: {
492: Buffer b;
493: int len;
494: Enc *enc;
495: Mac *mac;
496: Comp *comp;
1.66 andreas 497: Newkeys *newkey = (Newkeys *)packet_get_newkeys(mode);
1.1 provos 498:
1.8 markus 499: debug3("%s: converting %p", __func__, newkey);
1.1 provos 500:
501: if (newkey == NULL) {
1.8 markus 502: error("%s: newkey == NULL", __func__);
1.1 provos 503: return 0;
504: }
505: enc = &newkey->enc;
506: mac = &newkey->mac;
507: comp = &newkey->comp;
508:
509: buffer_init(&b);
510: /* Enc structure */
511: buffer_put_cstring(&b, enc->name);
512: /* The cipher struct is constant and shared, you export pointer */
513: buffer_append(&b, &enc->cipher, sizeof(enc->cipher));
514: buffer_put_int(&b, enc->enabled);
515: buffer_put_int(&b, enc->block_size);
516: buffer_put_string(&b, enc->key, enc->key_len);
517: packet_get_keyiv(mode, enc->iv, enc->block_size);
518: buffer_put_string(&b, enc->iv, enc->block_size);
519:
520: /* Mac structure */
521: buffer_put_cstring(&b, mac->name);
522: buffer_put_int(&b, mac->enabled);
523: buffer_put_string(&b, mac->key, mac->key_len);
524:
525: /* Comp structure */
526: buffer_put_int(&b, comp->type);
527: buffer_put_int(&b, comp->enabled);
528: buffer_put_cstring(&b, comp->name);
529:
530: len = buffer_len(&b);
1.16 markus 531: if (lenp != NULL)
532: *lenp = len;
533: if (blobp != NULL) {
534: *blobp = xmalloc(len);
535: memcpy(*blobp, buffer_ptr(&b), len);
536: }
1.1 provos 537: memset(buffer_ptr(&b), 0, len);
538: buffer_free(&b);
539: return len;
540: }
541:
1.2 markus 542: static void
1.1 provos 543: mm_send_kex(Buffer *m, Kex *kex)
544: {
545: buffer_put_string(m, kex->session_id, kex->session_id_len);
546: buffer_put_int(m, kex->we_need);
547: buffer_put_int(m, kex->hostkey_type);
548: buffer_put_int(m, kex->kex_type);
549: buffer_put_string(m, buffer_ptr(&kex->my), buffer_len(&kex->my));
550: buffer_put_string(m, buffer_ptr(&kex->peer), buffer_len(&kex->peer));
551: buffer_put_int(m, kex->flags);
552: buffer_put_cstring(m, kex->client_version_string);
553: buffer_put_cstring(m, kex->server_version_string);
554: }
555:
556: void
1.36 avsm 557: mm_send_keystate(struct monitor *monitor)
1.1 provos 558: {
1.66 andreas 559: Buffer m, *input, *output;
1.1 provos 560: u_char *blob, *p;
561: u_int bloblen, plen;
1.25 markus 562: u_int32_t seqnr, packets;
1.63 markus 563: u_int64_t blocks, bytes;
1.1 provos 564:
565: buffer_init(&m);
566:
567: if (!compat20) {
568: u_char iv[24];
1.11 markus 569: u_char *key;
570: u_int ivlen, keylen;
1.1 provos 571:
572: buffer_put_int(&m, packet_get_protocol_flags());
573:
574: buffer_put_int(&m, packet_get_ssh1_cipher());
575:
1.11 markus 576: debug3("%s: Sending ssh1 KEY+IV", __func__);
577: keylen = packet_get_encryption_key(NULL);
578: key = xmalloc(keylen+1); /* add 1 if keylen == 0 */
579: keylen = packet_get_encryption_key(key);
580: buffer_put_string(&m, key, keylen);
581: memset(key, 0, keylen);
582: xfree(key);
583:
1.1 provos 584: ivlen = packet_get_keyiv_len(MODE_OUT);
585: packet_get_keyiv(MODE_OUT, iv, ivlen);
586: buffer_put_string(&m, iv, ivlen);
587: ivlen = packet_get_keyiv_len(MODE_OUT);
588: packet_get_keyiv(MODE_IN, iv, ivlen);
589: buffer_put_string(&m, iv, ivlen);
590: goto skip;
591: } else {
592: /* Kex for rekeying */
1.36 avsm 593: mm_send_kex(&m, *monitor->m_pkex);
1.1 provos 594: }
595:
596: debug3("%s: Sending new keys: %p %p",
1.66 andreas 597: __func__, packet_get_newkeys(MODE_OUT),
598: packet_get_newkeys(MODE_IN));
1.1 provos 599:
600: /* Keys from Kex */
601: if (!mm_newkeys_to_blob(MODE_OUT, &blob, &bloblen))
1.8 markus 602: fatal("%s: conversion of newkeys failed", __func__);
1.1 provos 603:
604: buffer_put_string(&m, blob, bloblen);
605: xfree(blob);
606:
607: if (!mm_newkeys_to_blob(MODE_IN, &blob, &bloblen))
1.8 markus 608: fatal("%s: conversion of newkeys failed", __func__);
1.1 provos 609:
610: buffer_put_string(&m, blob, bloblen);
611: xfree(blob);
612:
1.63 markus 613: packet_get_state(MODE_OUT, &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);
618: packet_get_state(MODE_IN, &seqnr, &blocks, &packets, &bytes);
1.25 markus 619: buffer_put_int(&m, seqnr);
620: buffer_put_int64(&m, blocks);
621: buffer_put_int(&m, packets);
1.63 markus 622: buffer_put_int64(&m, bytes);
1.1 provos 623:
1.8 markus 624: debug3("%s: New keys have been sent", __func__);
1.1 provos 625: skip:
626: /* More key context */
627: plen = packet_get_keycontext(MODE_OUT, NULL);
628: p = xmalloc(plen+1);
629: packet_get_keycontext(MODE_OUT, p);
630: buffer_put_string(&m, p, plen);
631: xfree(p);
632:
633: plen = packet_get_keycontext(MODE_IN, NULL);
634: p = xmalloc(plen+1);
635: packet_get_keycontext(MODE_IN, p);
636: buffer_put_string(&m, p, plen);
637: xfree(p);
638:
639: /* Compression state */
1.8 markus 640: debug3("%s: Sending compression state", __func__);
1.1 provos 641: buffer_put_string(&m, &outgoing_stream, sizeof(outgoing_stream));
642: buffer_put_string(&m, &incoming_stream, sizeof(incoming_stream));
643:
644: /* Network I/O buffers */
1.66 andreas 645: input = (Buffer *)packet_get_input();
646: output = (Buffer *)packet_get_output();
647: buffer_put_string(&m, buffer_ptr(input), buffer_len(input));
648: buffer_put_string(&m, buffer_ptr(output), buffer_len(output));
1.67 andreas 649:
650: /* Roaming */
651: if (compat20) {
652: buffer_put_int64(&m, get_sent_bytes());
653: buffer_put_int64(&m, get_recv_bytes());
654: }
1.1 provos 655:
1.36 avsm 656: mm_request_send(monitor->m_recvfd, MONITOR_REQ_KEYEXPORT, &m);
1.8 markus 657: debug3("%s: Finished sending state", __func__);
1.1 provos 658:
659: buffer_free(&m);
660: }
661:
662: int
1.42 deraadt 663: mm_pty_allocate(int *ptyfd, int *ttyfd, char *namebuf, size_t namebuflen)
1.1 provos 664: {
665: Buffer m;
1.39 dtucker 666: char *p, *msg;
1.62 djm 667: int success = 0, tmp1 = -1, tmp2 = -1;
668:
669: /* Kludge: ensure there are fds free to receive the pty/tty */
670: if ((tmp1 = dup(pmonitor->m_recvfd)) == -1 ||
671: (tmp2 = dup(pmonitor->m_recvfd)) == -1) {
672: error("%s: cannot allocate fds for pty", __func__);
673: if (tmp1 > 0)
674: close(tmp1);
675: if (tmp2 > 0)
676: close(tmp2);
677: return 0;
678: }
679: close(tmp1);
680: close(tmp2);
1.1 provos 681:
682: buffer_init(&m);
1.7 mouring 683: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PTY, &m);
1.1 provos 684:
1.8 markus 685: debug3("%s: waiting for MONITOR_ANS_PTY", __func__);
1.7 mouring 686: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PTY, &m);
1.1 provos 687:
688: success = buffer_get_int(&m);
689: if (success == 0) {
1.8 markus 690: debug3("%s: pty alloc failed", __func__);
1.1 provos 691: buffer_free(&m);
692: return (0);
693: }
694: p = buffer_get_string(&m, NULL);
1.39 dtucker 695: msg = buffer_get_string(&m, NULL);
1.1 provos 696: buffer_free(&m);
697:
698: strlcpy(namebuf, p, namebuflen); /* Possible truncation */
699: xfree(p);
1.39 dtucker 700:
701: buffer_append(&loginmsg, msg, strlen(msg));
702: xfree(msg);
1.1 provos 703:
1.58 djm 704: if ((*ptyfd = mm_receive_fd(pmonitor->m_recvfd)) == -1 ||
705: (*ttyfd = mm_receive_fd(pmonitor->m_recvfd)) == -1)
706: fatal("%s: receive fds failed", __func__);
1.1 provos 707:
708: /* Success */
709: return (1);
710: }
711:
712: void
1.32 markus 713: mm_session_pty_cleanup2(Session *s)
1.1 provos 714: {
715: Buffer m;
716:
717: if (s->ttyfd == -1)
718: return;
719: buffer_init(&m);
720: buffer_put_cstring(&m, s->tty);
1.7 mouring 721: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PTYCLEANUP, &m);
1.1 provos 722: buffer_free(&m);
1.3 markus 723:
1.1 provos 724: /* closed dup'ed master */
1.62 djm 725: if (s->ptymaster != -1 && close(s->ptymaster) < 0)
726: error("close(s->ptymaster/%d): %s",
727: s->ptymaster, strerror(errno));
1.1 provos 728:
729: /* unlink pty from session */
730: s->ttyfd = -1;
731: }
732:
733: /* Request process termination */
734:
735: void
736: mm_terminate(void)
737: {
738: Buffer m;
739:
740: buffer_init(&m);
1.7 mouring 741: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_TERM, &m);
1.1 provos 742: buffer_free(&m);
743: }
744:
745: int
746: mm_ssh1_session_key(BIGNUM *num)
747: {
748: int rsafail;
749: Buffer m;
750:
751: buffer_init(&m);
752: buffer_put_bignum2(&m, num);
1.7 mouring 753: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_SESSKEY, &m);
1.1 provos 754:
1.7 mouring 755: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_SESSKEY, &m);
1.1 provos 756:
757: rsafail = buffer_get_int(&m);
758: buffer_get_bignum2(&m, num);
759:
760: buffer_free(&m);
761:
762: return (rsafail);
763: }
764:
1.2 markus 765: static void
1.1 provos 766: mm_chall_setup(char **name, char **infotxt, u_int *numprompts,
767: char ***prompts, u_int **echo_on)
768: {
1.10 deraadt 769: *name = xstrdup("");
770: *infotxt = xstrdup("");
1.1 provos 771: *numprompts = 1;
1.43 djm 772: *prompts = xcalloc(*numprompts, sizeof(char *));
773: *echo_on = xcalloc(*numprompts, sizeof(u_int));
1.1 provos 774: (*echo_on)[0] = 0;
775: }
776:
777: int
778: mm_bsdauth_query(void *ctx, char **name, char **infotxt,
779: u_int *numprompts, char ***prompts, u_int **echo_on)
780: {
781: Buffer m;
1.21 markus 782: u_int success;
1.1 provos 783: char *challenge;
784:
1.8 markus 785: debug3("%s: entering", __func__);
1.1 provos 786:
787: buffer_init(&m);
1.7 mouring 788: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_BSDAUTHQUERY, &m);
1.1 provos 789:
1.7 mouring 790: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_BSDAUTHQUERY,
1.1 provos 791: &m);
1.21 markus 792: success = buffer_get_int(&m);
793: if (success == 0) {
1.8 markus 794: debug3("%s: no challenge", __func__);
1.1 provos 795: buffer_free(&m);
796: return (-1);
797: }
798:
799: /* Get the challenge, and format the response */
800: challenge = buffer_get_string(&m, NULL);
801: buffer_free(&m);
802:
803: mm_chall_setup(name, infotxt, numprompts, prompts, echo_on);
804: (*prompts)[0] = challenge;
805:
1.8 markus 806: debug3("%s: received challenge: %s", __func__, challenge);
1.1 provos 807:
808: return (0);
809: }
810:
811: int
812: mm_bsdauth_respond(void *ctx, u_int numresponses, char **responses)
813: {
814: Buffer m;
815: int authok;
816:
1.8 markus 817: debug3("%s: entering", __func__);
1.1 provos 818: if (numresponses != 1)
819: return (-1);
820:
821: buffer_init(&m);
822: buffer_put_cstring(&m, responses[0]);
1.7 mouring 823: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_BSDAUTHRESPOND, &m);
1.1 provos 824:
1.7 mouring 825: mm_request_receive_expect(pmonitor->m_recvfd,
1.1 provos 826: MONITOR_ANS_BSDAUTHRESPOND, &m);
827:
828: authok = buffer_get_int(&m);
829: buffer_free(&m);
830:
831: return ((authok == 0) ? -1 : 0);
832: }
833:
834:
835: void
836: mm_ssh1_session_id(u_char session_id[16])
837: {
838: Buffer m;
839: int i;
840:
1.8 markus 841: debug3("%s entering", __func__);
1.1 provos 842:
843: buffer_init(&m);
844: for (i = 0; i < 16; i++)
845: buffer_put_char(&m, session_id[i]);
846:
1.7 mouring 847: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_SESSID, &m);
1.1 provos 848: buffer_free(&m);
849: }
850:
851: int
852: mm_auth_rsa_key_allowed(struct passwd *pw, BIGNUM *client_n, Key **rkey)
853: {
854: Buffer m;
855: Key *key;
856: u_char *blob;
857: u_int blen;
1.22 markus 858: int allowed = 0, have_forced = 0;
1.1 provos 859:
1.8 markus 860: debug3("%s entering", __func__);
1.1 provos 861:
862: buffer_init(&m);
863: buffer_put_bignum2(&m, client_n);
864:
1.7 mouring 865: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_RSAKEYALLOWED, &m);
866: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_RSAKEYALLOWED, &m);
1.1 provos 867:
868: allowed = buffer_get_int(&m);
1.22 markus 869:
870: /* fake forced command */
871: auth_clear_options();
872: have_forced = buffer_get_int(&m);
873: forced_command = have_forced ? xstrdup("true") : NULL;
1.1 provos 874:
875: if (allowed && rkey != NULL) {
876: blob = buffer_get_string(&m, &blen);
877: if ((key = key_from_blob(blob, blen)) == NULL)
1.8 markus 878: fatal("%s: key_from_blob failed", __func__);
1.1 provos 879: *rkey = key;
880: xfree(blob);
881: }
882: buffer_free(&m);
883:
884: return (allowed);
885: }
886:
887: BIGNUM *
888: mm_auth_rsa_generate_challenge(Key *key)
889: {
890: Buffer m;
891: BIGNUM *challenge;
892: u_char *blob;
893: u_int blen;
894:
1.8 markus 895: debug3("%s entering", __func__);
1.1 provos 896:
897: if ((challenge = BN_new()) == NULL)
1.8 markus 898: fatal("%s: BN_new failed", __func__);
1.1 provos 899:
900: key->type = KEY_RSA; /* XXX cheat for key_to_blob */
901: if (key_to_blob(key, &blob, &blen) == 0)
1.8 markus 902: fatal("%s: key_to_blob failed", __func__);
1.1 provos 903: key->type = KEY_RSA1;
904:
905: buffer_init(&m);
906: buffer_put_string(&m, blob, blen);
907: xfree(blob);
908:
1.7 mouring 909: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_RSACHALLENGE, &m);
910: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_RSACHALLENGE, &m);
1.1 provos 911:
912: buffer_get_bignum2(&m, challenge);
913: buffer_free(&m);
914:
915: return (challenge);
916: }
917:
918: int
919: mm_auth_rsa_verify_response(Key *key, BIGNUM *p, u_char response[16])
920: {
921: Buffer m;
922: u_char *blob;
923: u_int blen;
924: int success = 0;
925:
1.8 markus 926: debug3("%s entering", __func__);
1.1 provos 927:
928: key->type = KEY_RSA; /* XXX cheat for key_to_blob */
929: if (key_to_blob(key, &blob, &blen) == 0)
1.8 markus 930: fatal("%s: key_to_blob failed", __func__);
1.1 provos 931: key->type = KEY_RSA1;
932:
933: buffer_init(&m);
934: buffer_put_string(&m, blob, blen);
935: buffer_put_string(&m, response, 16);
936: xfree(blob);
937:
1.7 mouring 938: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_RSARESPONSE, &m);
939: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_RSARESPONSE, &m);
1.1 provos 940:
941: success = buffer_get_int(&m);
942: buffer_free(&m);
943:
944: return (success);
945: }
1.29 markus 946:
947: #ifdef GSSAPI
948: OM_uint32
1.36 avsm 949: mm_ssh_gssapi_server_ctx(Gssctxt **ctx, gss_OID goid)
1.29 markus 950: {
951: Buffer m;
952: OM_uint32 major;
953:
954: /* Client doesn't get to see the context */
955: *ctx = NULL;
956:
957: buffer_init(&m);
1.36 avsm 958: buffer_put_string(&m, goid->elements, goid->length);
1.29 markus 959:
960: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSSETUP, &m);
961: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSSETUP, &m);
962:
963: major = buffer_get_int(&m);
964:
965: buffer_free(&m);
966: return (major);
967: }
968:
969: OM_uint32
970: mm_ssh_gssapi_accept_ctx(Gssctxt *ctx, gss_buffer_desc *in,
971: gss_buffer_desc *out, OM_uint32 *flags)
972: {
973: Buffer m;
974: OM_uint32 major;
1.30 deraadt 975: u_int len;
1.29 markus 976:
977: buffer_init(&m);
978: buffer_put_string(&m, in->value, in->length);
979:
980: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSSTEP, &m);
981: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSSTEP, &m);
982:
983: major = buffer_get_int(&m);
1.30 deraadt 984: out->value = buffer_get_string(&m, &len);
985: out->length = len;
1.29 markus 986: if (flags)
987: *flags = buffer_get_int(&m);
988:
989: buffer_free(&m);
990:
991: return (major);
1.35 markus 992: }
993:
994: OM_uint32
995: mm_ssh_gssapi_checkmic(Gssctxt *ctx, gss_buffer_t gssbuf, gss_buffer_t gssmic)
996: {
997: Buffer m;
998: OM_uint32 major;
999:
1000: buffer_init(&m);
1001: buffer_put_string(&m, gssbuf->value, gssbuf->length);
1002: buffer_put_string(&m, gssmic->value, gssmic->length);
1003:
1004: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSCHECKMIC, &m);
1005: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSCHECKMIC,
1006: &m);
1007:
1008: major = buffer_get_int(&m);
1009: buffer_free(&m);
1010: return(major);
1.29 markus 1011: }
1012:
1013: int
1014: mm_ssh_gssapi_userok(char *user)
1015: {
1016: Buffer m;
1017: int authenticated = 0;
1018:
1019: buffer_init(&m);
1020:
1021: mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSUSEROK, &m);
1022: mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSUSEROK,
1023: &m);
1024:
1025: authenticated = buffer_get_int(&m);
1026:
1027: buffer_free(&m);
1028: debug3("%s: user %sauthenticated",__func__, authenticated ? "" : "not ");
1029: return (authenticated);
1030: }
1031: #endif /* GSSAPI */
1.64 djm 1032:
1033: #ifdef JPAKE
1034: void
1035: mm_auth2_jpake_get_pwdata(Authctxt *authctxt, BIGNUM **s,
1036: char **hash_scheme, char **salt)
1037: {
1038: Buffer m;
1039:
1040: debug3("%s entering", __func__);
1041:
1042: buffer_init(&m);
1043: mm_request_send(pmonitor->m_recvfd,
1044: MONITOR_REQ_JPAKE_GET_PWDATA, &m);
1045:
1046: debug3("%s: waiting for MONITOR_ANS_JPAKE_GET_PWDATA", __func__);
1047: mm_request_receive_expect(pmonitor->m_recvfd,
1048: MONITOR_ANS_JPAKE_GET_PWDATA, &m);
1049:
1050: *hash_scheme = buffer_get_string(&m, NULL);
1051: *salt = buffer_get_string(&m, NULL);
1052:
1053: buffer_free(&m);
1054: }
1055:
1056: void
1.65 djm 1057: mm_jpake_step1(struct modp_group *grp,
1.64 djm 1058: u_char **id, u_int *id_len,
1059: BIGNUM **priv1, BIGNUM **priv2, BIGNUM **g_priv1, BIGNUM **g_priv2,
1060: u_char **priv1_proof, u_int *priv1_proof_len,
1061: u_char **priv2_proof, u_int *priv2_proof_len)
1062: {
1063: Buffer m;
1064:
1065: debug3("%s entering", __func__);
1066:
1067: buffer_init(&m);
1068: mm_request_send(pmonitor->m_recvfd,
1069: MONITOR_REQ_JPAKE_STEP1, &m);
1070:
1071: debug3("%s: waiting for MONITOR_ANS_JPAKE_STEP1", __func__);
1072: mm_request_receive_expect(pmonitor->m_recvfd,
1073: MONITOR_ANS_JPAKE_STEP1, &m);
1074:
1075: if ((*priv1 = BN_new()) == NULL ||
1076: (*priv2 = BN_new()) == NULL ||
1077: (*g_priv1 = BN_new()) == NULL ||
1078: (*g_priv2 = BN_new()) == NULL)
1079: fatal("%s: BN_new", __func__);
1080:
1081: *id = buffer_get_string(&m, id_len);
1082: /* priv1 and priv2 are, well, private */
1083: buffer_get_bignum2(&m, *g_priv1);
1084: buffer_get_bignum2(&m, *g_priv2);
1085: *priv1_proof = buffer_get_string(&m, priv1_proof_len);
1086: *priv2_proof = buffer_get_string(&m, priv2_proof_len);
1087:
1088: buffer_free(&m);
1089: }
1090:
1091: void
1.65 djm 1092: mm_jpake_step2(struct modp_group *grp, BIGNUM *s,
1.64 djm 1093: BIGNUM *mypub1, BIGNUM *theirpub1, BIGNUM *theirpub2, BIGNUM *mypriv2,
1094: const u_char *theirid, u_int theirid_len,
1095: const u_char *myid, u_int myid_len,
1096: const u_char *theirpub1_proof, u_int theirpub1_proof_len,
1097: const u_char *theirpub2_proof, u_int theirpub2_proof_len,
1098: BIGNUM **newpub,
1099: u_char **newpub_exponent_proof, u_int *newpub_exponent_proof_len)
1100: {
1101: Buffer m;
1102:
1103: debug3("%s entering", __func__);
1104:
1105: buffer_init(&m);
1106: /* monitor already has all bignums except theirpub1, theirpub2 */
1107: buffer_put_bignum2(&m, theirpub1);
1108: buffer_put_bignum2(&m, theirpub2);
1109: /* monitor already knows our id */
1110: buffer_put_string(&m, theirid, theirid_len);
1111: buffer_put_string(&m, theirpub1_proof, theirpub1_proof_len);
1112: buffer_put_string(&m, theirpub2_proof, theirpub2_proof_len);
1113:
1114: mm_request_send(pmonitor->m_recvfd,
1115: MONITOR_REQ_JPAKE_STEP2, &m);
1116:
1117: debug3("%s: waiting for MONITOR_ANS_JPAKE_STEP2", __func__);
1118: mm_request_receive_expect(pmonitor->m_recvfd,
1119: MONITOR_ANS_JPAKE_STEP2, &m);
1120:
1121: if ((*newpub = BN_new()) == NULL)
1122: fatal("%s: BN_new", __func__);
1123:
1124: buffer_get_bignum2(&m, *newpub);
1125: *newpub_exponent_proof = buffer_get_string(&m,
1126: newpub_exponent_proof_len);
1127:
1128: buffer_free(&m);
1129: }
1130:
1131: void
1.65 djm 1132: mm_jpake_key_confirm(struct modp_group *grp, BIGNUM *s, BIGNUM *step2_val,
1.64 djm 1133: BIGNUM *mypriv2, BIGNUM *mypub1, BIGNUM *mypub2,
1134: BIGNUM *theirpub1, BIGNUM *theirpub2,
1135: const u_char *my_id, u_int my_id_len,
1136: const u_char *their_id, u_int their_id_len,
1137: const u_char *sess_id, u_int sess_id_len,
1138: const u_char *theirpriv2_s_proof, u_int theirpriv2_s_proof_len,
1139: BIGNUM **k,
1140: u_char **confirm_hash, u_int *confirm_hash_len)
1141: {
1142: Buffer m;
1143:
1144: debug3("%s entering", __func__);
1145:
1146: buffer_init(&m);
1147: /* monitor already has all bignums except step2_val */
1148: buffer_put_bignum2(&m, step2_val);
1149: /* monitor already knows all the ids */
1150: buffer_put_string(&m, theirpriv2_s_proof, theirpriv2_s_proof_len);
1151:
1152: mm_request_send(pmonitor->m_recvfd,
1153: MONITOR_REQ_JPAKE_KEY_CONFIRM, &m);
1154:
1155: debug3("%s: waiting for MONITOR_ANS_JPAKE_KEY_CONFIRM", __func__);
1156: mm_request_receive_expect(pmonitor->m_recvfd,
1157: MONITOR_ANS_JPAKE_KEY_CONFIRM, &m);
1158:
1159: /* 'k' is sensitive and stays in the monitor */
1160: *confirm_hash = buffer_get_string(&m, confirm_hash_len);
1161:
1162: buffer_free(&m);
1163: }
1164:
1165: int
1166: mm_jpake_check_confirm(const BIGNUM *k,
1167: const u_char *peer_id, u_int peer_id_len,
1168: const u_char *sess_id, u_int sess_id_len,
1169: const u_char *peer_confirm_hash, u_int peer_confirm_hash_len)
1170: {
1171: Buffer m;
1172: int success = 0;
1173:
1174: debug3("%s entering", __func__);
1175:
1176: buffer_init(&m);
1177: /* k is dummy in slave, ignored */
1178: /* monitor knows all the ids */
1179: buffer_put_string(&m, peer_confirm_hash, peer_confirm_hash_len);
1180: mm_request_send(pmonitor->m_recvfd,
1181: MONITOR_REQ_JPAKE_CHECK_CONFIRM, &m);
1182:
1183: debug3("%s: waiting for MONITOR_ANS_JPAKE_CHECK_CONFIRM", __func__);
1184: mm_request_receive_expect(pmonitor->m_recvfd,
1185: MONITOR_ANS_JPAKE_CHECK_CONFIRM, &m);
1186:
1187: success = buffer_get_int(&m);
1188: buffer_free(&m);
1189:
1190: debug3("%s: success = %d", __func__, success);
1191: return success;
1192: }
1193: #endif /* JPAKE */
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