1 /* $OpenBSD: monitor_wrap.c,v 1.84 2015/02/16 22:13:32 djm Exp $ */
3 * Copyright 2002 Niels Provos <provos@citi.umich.edu>
4 * Copyright 2002 Markus Friedl <markus@openbsd.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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.
30 #include <sys/types.h>
42 #include <openssl/bn.h>
43 #include <openssl/dh.h>
44 #include <openssl/evp.h>
47 #include "openbsd-compat/sys-queue.h"
59 #include "auth-options.h"
63 #ifdef TARGET_OS_MAC /* XXX Broken krb5 headers on Mac */
66 #define TARGET_OS_MAC 1
74 #include "monitor_wrap.h"
76 #include "monitor_fdpass.h"
89 extern z_stream incoming_stream;
90 extern z_stream outgoing_stream;
91 extern struct monitor *pmonitor;
92 extern Buffer loginmsg;
93 extern ServerOptions options;
96 mm_log_handler(LogLevel level, const char *msg, void *ctx)
99 struct monitor *mon = (struct monitor *)ctx;
101 if (mon->m_log_sendfd == -1)
102 fatal("%s: no log channel", __func__);
104 buffer_init(&log_msg);
106 * Placeholder for packet length. Will be filled in with the actual
107 * packet length once the packet has been constucted. This saves
110 buffer_put_int(&log_msg, 0);
112 buffer_put_int(&log_msg, level);
113 buffer_put_cstring(&log_msg, msg);
114 put_u32(buffer_ptr(&log_msg), buffer_len(&log_msg) - 4);
115 if (atomicio(vwrite, mon->m_log_sendfd, buffer_ptr(&log_msg),
116 buffer_len(&log_msg)) != buffer_len(&log_msg))
117 fatal("%s: write: %s", __func__, strerror(errno));
118 buffer_free(&log_msg);
125 * m_pid is only set in the privileged part, and
126 * points to the unprivileged child.
128 return (pmonitor && pmonitor->m_pid > 0);
132 mm_request_send(int sock, enum monitor_reqtype type, Buffer *m)
134 u_int mlen = buffer_len(m);
137 debug3("%s entering: type %d", __func__, type);
139 put_u32(buf, mlen + 1);
140 buf[4] = (u_char) type; /* 1st byte of payload is mesg-type */
141 if (atomicio(vwrite, sock, buf, sizeof(buf)) != sizeof(buf))
142 fatal("%s: write: %s", __func__, strerror(errno));
143 if (atomicio(vwrite, sock, buffer_ptr(m), mlen) != mlen)
144 fatal("%s: write: %s", __func__, strerror(errno));
148 mm_request_receive(int sock, Buffer *m)
153 debug3("%s entering", __func__);
155 if (atomicio(read, sock, buf, sizeof(buf)) != sizeof(buf)) {
156 if (errno == EPIPE) {
157 error("%s: socket closed", __func__);
160 fatal("%s: read: %s", __func__, strerror(errno));
162 msg_len = get_u32(buf);
163 if (msg_len > 256 * 1024)
164 fatal("%s: read: bad msg_len %d", __func__, msg_len);
166 buffer_append_space(m, msg_len);
167 if (atomicio(read, sock, buffer_ptr(m), msg_len) != msg_len)
168 fatal("%s: read: %s", __func__, strerror(errno));
172 mm_request_receive_expect(int sock, enum monitor_reqtype type, Buffer *m)
176 debug3("%s entering: type %d", __func__, type);
178 mm_request_receive(sock, m);
179 rtype = buffer_get_char(m);
181 fatal("%s: read: rtype %d != type %d", __func__,
187 mm_choose_dh(int min, int nbits, int max)
194 buffer_put_int(&m, min);
195 buffer_put_int(&m, nbits);
196 buffer_put_int(&m, max);
198 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_MODULI, &m);
200 debug3("%s: waiting for MONITOR_ANS_MODULI", __func__);
201 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_MODULI, &m);
203 success = buffer_get_char(&m);
205 fatal("%s: MONITOR_ANS_MODULI failed", __func__);
207 if ((p = BN_new()) == NULL)
208 fatal("%s: BN_new failed", __func__);
209 if ((g = BN_new()) == NULL)
210 fatal("%s: BN_new failed", __func__);
211 buffer_get_bignum2(&m, p);
212 buffer_get_bignum2(&m, g);
214 debug3("%s: remaining %d", __func__, buffer_len(&m));
217 return (dh_new_group(g, p));
222 mm_key_sign(Key *key, u_char **sigp, u_int *lenp,
223 const u_char *data, u_int datalen)
225 struct kex *kex = *pmonitor->m_pkex;
228 debug3("%s entering", __func__);
231 buffer_put_int(&m, kex->host_key_index(key, 0, active_state));
232 buffer_put_string(&m, data, datalen);
234 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_SIGN, &m);
236 debug3("%s: waiting for MONITOR_ANS_SIGN", __func__);
237 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_SIGN, &m);
238 *sigp = buffer_get_string(&m, lenp);
245 mm_getpwnamallow(const char *username)
250 ServerOptions *newopts;
252 debug3("%s entering", __func__);
255 buffer_put_cstring(&m, username);
257 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PWNAM, &m);
259 debug3("%s: waiting for MONITOR_ANS_PWNAM", __func__);
260 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PWNAM, &m);
262 if (buffer_get_char(&m) == 0) {
266 pw = buffer_get_string(&m, &len);
267 if (len != sizeof(struct passwd))
268 fatal("%s: struct passwd size mismatch", __func__);
269 pw->pw_name = buffer_get_string(&m, NULL);
270 pw->pw_passwd = buffer_get_string(&m, NULL);
271 #ifdef HAVE_STRUCT_PASSWD_PW_GECOS
272 pw->pw_gecos = buffer_get_string(&m, NULL);
274 #ifdef HAVE_STRUCT_PASSWD_PW_CLASS
275 pw->pw_class = buffer_get_string(&m, NULL);
277 pw->pw_dir = buffer_get_string(&m, NULL);
278 pw->pw_shell = buffer_get_string(&m, NULL);
281 /* copy options block as a Match directive may have changed some */
282 newopts = buffer_get_string(&m, &len);
283 if (len != sizeof(*newopts))
284 fatal("%s: option block size mismatch", __func__);
286 #define M_CP_STROPT(x) do { \
287 if (newopts->x != NULL) \
288 newopts->x = buffer_get_string(&m, NULL); \
290 #define M_CP_STRARRAYOPT(x, nx) do { \
291 for (i = 0; i < newopts->nx; i++) \
292 newopts->x[i] = buffer_get_string(&m, NULL); \
294 /* See comment in servconf.h */
295 COPY_MATCH_STRING_OPTS();
297 #undef M_CP_STRARRAYOPT
299 copy_set_server_options(&options, newopts, 1);
308 mm_auth2_read_banner(void)
313 debug3("%s entering", __func__);
316 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTH2_READ_BANNER, &m);
319 mm_request_receive_expect(pmonitor->m_recvfd,
320 MONITOR_ANS_AUTH2_READ_BANNER, &m);
321 banner = buffer_get_string(&m, NULL);
324 /* treat empty banner as missing banner */
325 if (strlen(banner) == 0) {
332 /* Inform the privileged process about service and style */
335 mm_inform_authserv(char *service, char *style)
339 debug3("%s entering", __func__);
342 buffer_put_cstring(&m, service);
343 buffer_put_cstring(&m, style ? style : "");
345 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTHSERV, &m);
350 /* Do the password authentication */
352 mm_auth_password(Authctxt *authctxt, char *password)
355 int authenticated = 0;
357 debug3("%s entering", __func__);
360 buffer_put_cstring(&m, password);
361 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTHPASSWORD, &m);
363 debug3("%s: waiting for MONITOR_ANS_AUTHPASSWORD", __func__);
364 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_AUTHPASSWORD, &m);
366 authenticated = buffer_get_int(&m);
370 debug3("%s: user %sauthenticated",
371 __func__, authenticated ? "" : "not ");
372 return (authenticated);
376 mm_user_key_allowed(struct passwd *pw, Key *key)
378 return (mm_key_allowed(MM_USERKEY, NULL, NULL, key));
382 mm_hostbased_key_allowed(struct passwd *pw, char *user, char *host,
385 return (mm_key_allowed(MM_HOSTKEY, user, host, key));
389 mm_auth_rhosts_rsa_key_allowed(struct passwd *pw, char *user,
390 char *host, Key *key)
394 key->type = KEY_RSA; /* XXX hack for key_to_blob */
395 ret = mm_key_allowed(MM_RSAHOSTKEY, user, host, key);
396 key->type = KEY_RSA1;
401 mm_key_allowed(enum mm_keytype type, char *user, char *host, Key *key)
406 int allowed = 0, have_forced = 0;
408 debug3("%s entering", __func__);
410 /* Convert the key to a blob and the pass it over */
411 if (!key_to_blob(key, &blob, &len))
415 buffer_put_int(&m, type);
416 buffer_put_cstring(&m, user ? user : "");
417 buffer_put_cstring(&m, host ? host : "");
418 buffer_put_string(&m, blob, len);
421 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_KEYALLOWED, &m);
423 debug3("%s: waiting for MONITOR_ANS_KEYALLOWED", __func__);
424 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_KEYALLOWED, &m);
426 allowed = buffer_get_int(&m);
428 /* fake forced command */
429 auth_clear_options();
430 have_forced = buffer_get_int(&m);
431 forced_command = have_forced ? xstrdup("true") : NULL;
439 * This key verify needs to send the key type along, because the
440 * privileged parent makes the decision if the key is allowed
441 * for authentication.
445 mm_key_verify(Key *key, u_char *sig, u_int siglen, u_char *data, u_int datalen)
452 debug3("%s entering", __func__);
454 /* Convert the key to a blob and the pass it over */
455 if (!key_to_blob(key, &blob, &len))
459 buffer_put_string(&m, blob, len);
460 buffer_put_string(&m, sig, siglen);
461 buffer_put_string(&m, data, datalen);
464 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_KEYVERIFY, &m);
466 debug3("%s: waiting for MONITOR_ANS_KEYVERIFY", __func__);
467 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_KEYVERIFY, &m);
469 verified = buffer_get_int(&m);
477 mm_send_keystate(struct monitor *monitor)
479 struct ssh *ssh = active_state; /* XXX */
483 if ((m = sshbuf_new()) == NULL)
484 fatal("%s: sshbuf_new failed", __func__);
485 if ((r = ssh_packet_get_state(ssh, m)) != 0)
486 fatal("%s: get_state failed: %s",
487 __func__, ssh_err(r));
488 mm_request_send(monitor->m_recvfd, MONITOR_REQ_KEYEXPORT, m);
489 debug3("%s: Finished sending state", __func__);
494 mm_pty_allocate(int *ptyfd, int *ttyfd, char *namebuf, size_t namebuflen)
498 int success = 0, tmp1 = -1, tmp2 = -1;
500 /* Kludge: ensure there are fds free to receive the pty/tty */
501 if ((tmp1 = dup(pmonitor->m_recvfd)) == -1 ||
502 (tmp2 = dup(pmonitor->m_recvfd)) == -1) {
503 error("%s: cannot allocate fds for pty", __func__);
514 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PTY, &m);
516 debug3("%s: waiting for MONITOR_ANS_PTY", __func__);
517 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PTY, &m);
519 success = buffer_get_int(&m);
521 debug3("%s: pty alloc failed", __func__);
525 p = buffer_get_string(&m, NULL);
526 msg = buffer_get_string(&m, NULL);
529 strlcpy(namebuf, p, namebuflen); /* Possible truncation */
532 buffer_append(&loginmsg, msg, strlen(msg));
535 if ((*ptyfd = mm_receive_fd(pmonitor->m_recvfd)) == -1 ||
536 (*ttyfd = mm_receive_fd(pmonitor->m_recvfd)) == -1)
537 fatal("%s: receive fds failed", __func__);
544 mm_session_pty_cleanup2(Session *s)
551 buffer_put_cstring(&m, s->tty);
552 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PTYCLEANUP, &m);
555 /* closed dup'ed master */
556 if (s->ptymaster != -1 && close(s->ptymaster) < 0)
557 error("close(s->ptymaster/%d): %s",
558 s->ptymaster, strerror(errno));
560 /* unlink pty from session */
566 mm_start_pam(Authctxt *authctxt)
570 debug3("%s entering", __func__);
571 if (!options.use_pam)
572 fatal("UsePAM=no, but ended up in %s anyway", __func__);
575 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PAM_START, &m);
581 mm_do_pam_account(void)
587 debug3("%s entering", __func__);
588 if (!options.use_pam)
589 fatal("UsePAM=no, but ended up in %s anyway", __func__);
592 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PAM_ACCOUNT, &m);
594 mm_request_receive_expect(pmonitor->m_recvfd,
595 MONITOR_ANS_PAM_ACCOUNT, &m);
596 ret = buffer_get_int(&m);
597 msg = buffer_get_string(&m, NULL);
598 buffer_append(&loginmsg, msg, strlen(msg));
603 debug3("%s returning %d", __func__, ret);
609 mm_sshpam_init_ctx(Authctxt *authctxt)
614 debug3("%s", __func__);
616 buffer_put_cstring(&m, authctxt->user);
617 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PAM_INIT_CTX, &m);
618 debug3("%s: waiting for MONITOR_ANS_PAM_INIT_CTX", __func__);
619 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PAM_INIT_CTX, &m);
620 success = buffer_get_int(&m);
622 debug3("%s: pam_init_ctx failed", __func__);
631 mm_sshpam_query(void *ctx, char **name, char **info,
632 u_int *num, char ***prompts, u_int **echo_on)
638 debug3("%s", __func__);
640 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PAM_QUERY, &m);
641 debug3("%s: waiting for MONITOR_ANS_PAM_QUERY", __func__);
642 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PAM_QUERY, &m);
643 ret = buffer_get_int(&m);
644 debug3("%s: pam_query returned %d", __func__, ret);
645 *name = buffer_get_string(&m, NULL);
646 *info = buffer_get_string(&m, NULL);
647 *num = buffer_get_int(&m);
648 if (*num > PAM_MAX_NUM_MSG)
649 fatal("%s: recieved %u PAM messages, expected <= %u",
650 __func__, *num, PAM_MAX_NUM_MSG);
651 *prompts = xcalloc((*num + 1), sizeof(char *));
652 *echo_on = xcalloc((*num + 1), sizeof(u_int));
653 for (i = 0; i < *num; ++i) {
654 (*prompts)[i] = buffer_get_string(&m, NULL);
655 (*echo_on)[i] = buffer_get_int(&m);
662 mm_sshpam_respond(void *ctx, u_int num, char **resp)
668 debug3("%s", __func__);
670 buffer_put_int(&m, num);
671 for (i = 0; i < num; ++i)
672 buffer_put_cstring(&m, resp[i]);
673 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PAM_RESPOND, &m);
674 debug3("%s: waiting for MONITOR_ANS_PAM_RESPOND", __func__);
675 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PAM_RESPOND, &m);
676 ret = buffer_get_int(&m);
677 debug3("%s: pam_respond returned %d", __func__, ret);
683 mm_sshpam_free_ctx(void *ctxtp)
687 debug3("%s", __func__);
689 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PAM_FREE_CTX, &m);
690 debug3("%s: waiting for MONITOR_ANS_PAM_FREE_CTX", __func__);
691 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PAM_FREE_CTX, &m);
696 /* Request process termination */
704 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_TERM, &m);
710 mm_ssh1_session_key(BIGNUM *num)
716 buffer_put_bignum2(&m, num);
717 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_SESSKEY, &m);
719 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_SESSKEY, &m);
721 rsafail = buffer_get_int(&m);
722 buffer_get_bignum2(&m, num);
731 mm_chall_setup(char **name, char **infotxt, u_int *numprompts,
732 char ***prompts, u_int **echo_on)
735 *infotxt = xstrdup("");
737 *prompts = xcalloc(*numprompts, sizeof(char *));
738 *echo_on = xcalloc(*numprompts, sizeof(u_int));
743 mm_bsdauth_query(void *ctx, char **name, char **infotxt,
744 u_int *numprompts, char ***prompts, u_int **echo_on)
750 debug3("%s: entering", __func__);
753 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_BSDAUTHQUERY, &m);
755 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_BSDAUTHQUERY,
757 success = buffer_get_int(&m);
759 debug3("%s: no challenge", __func__);
764 /* Get the challenge, and format the response */
765 challenge = buffer_get_string(&m, NULL);
768 mm_chall_setup(name, infotxt, numprompts, prompts, echo_on);
769 (*prompts)[0] = challenge;
771 debug3("%s: received challenge: %s", __func__, challenge);
777 mm_bsdauth_respond(void *ctx, u_int numresponses, char **responses)
782 debug3("%s: entering", __func__);
783 if (numresponses != 1)
787 buffer_put_cstring(&m, responses[0]);
788 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_BSDAUTHRESPOND, &m);
790 mm_request_receive_expect(pmonitor->m_recvfd,
791 MONITOR_ANS_BSDAUTHRESPOND, &m);
793 authok = buffer_get_int(&m);
796 return ((authok == 0) ? -1 : 0);
801 mm_skey_query(void *ctx, char **name, char **infotxt,
802 u_int *numprompts, char ***prompts, u_int **echo_on)
808 debug3("%s: entering", __func__);
811 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_SKEYQUERY, &m);
813 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_SKEYQUERY,
815 success = buffer_get_int(&m);
817 debug3("%s: no challenge", __func__);
822 /* Get the challenge, and format the response */
823 challenge = buffer_get_string(&m, NULL);
826 debug3("%s: received challenge: %s", __func__, challenge);
828 mm_chall_setup(name, infotxt, numprompts, prompts, echo_on);
830 xasprintf(*prompts, "%s%s", challenge, SKEY_PROMPT);
837 mm_skey_respond(void *ctx, u_int numresponses, char **responses)
842 debug3("%s: entering", __func__);
843 if (numresponses != 1)
847 buffer_put_cstring(&m, responses[0]);
848 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_SKEYRESPOND, &m);
850 mm_request_receive_expect(pmonitor->m_recvfd,
851 MONITOR_ANS_SKEYRESPOND, &m);
853 authok = buffer_get_int(&m);
856 return ((authok == 0) ? -1 : 0);
861 mm_ssh1_session_id(u_char session_id[16])
866 debug3("%s entering", __func__);
869 for (i = 0; i < 16; i++)
870 buffer_put_char(&m, session_id[i]);
872 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_SESSID, &m);
878 mm_auth_rsa_key_allowed(struct passwd *pw, BIGNUM *client_n, Key **rkey)
884 int allowed = 0, have_forced = 0;
886 debug3("%s entering", __func__);
889 buffer_put_bignum2(&m, client_n);
891 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_RSAKEYALLOWED, &m);
892 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_RSAKEYALLOWED, &m);
894 allowed = buffer_get_int(&m);
896 /* fake forced command */
897 auth_clear_options();
898 have_forced = buffer_get_int(&m);
899 forced_command = have_forced ? xstrdup("true") : NULL;
901 if (allowed && rkey != NULL) {
902 blob = buffer_get_string(&m, &blen);
903 if ((key = key_from_blob(blob, blen)) == NULL)
904 fatal("%s: key_from_blob failed", __func__);
914 mm_auth_rsa_generate_challenge(Key *key)
921 debug3("%s entering", __func__);
923 if ((challenge = BN_new()) == NULL)
924 fatal("%s: BN_new failed", __func__);
926 key->type = KEY_RSA; /* XXX cheat for key_to_blob */
927 if (key_to_blob(key, &blob, &blen) == 0)
928 fatal("%s: key_to_blob failed", __func__);
929 key->type = KEY_RSA1;
932 buffer_put_string(&m, blob, blen);
935 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_RSACHALLENGE, &m);
936 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_RSACHALLENGE, &m);
938 buffer_get_bignum2(&m, challenge);
945 mm_auth_rsa_verify_response(Key *key, BIGNUM *p, u_char response[16])
952 debug3("%s entering", __func__);
954 key->type = KEY_RSA; /* XXX cheat for key_to_blob */
955 if (key_to_blob(key, &blob, &blen) == 0)
956 fatal("%s: key_to_blob failed", __func__);
957 key->type = KEY_RSA1;
960 buffer_put_string(&m, blob, blen);
961 buffer_put_string(&m, response, 16);
964 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_RSARESPONSE, &m);
965 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_RSARESPONSE, &m);
967 success = buffer_get_int(&m);
974 #ifdef SSH_AUDIT_EVENTS
976 mm_audit_event(ssh_audit_event_t event)
980 debug3("%s entering", __func__);
983 buffer_put_int(&m, event);
985 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUDIT_EVENT, &m);
990 mm_audit_run_command(const char *command)
994 debug3("%s entering command %s", __func__, command);
997 buffer_put_cstring(&m, command);
999 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUDIT_COMMAND, &m);
1002 #endif /* SSH_AUDIT_EVENTS */
1006 mm_ssh_gssapi_server_ctx(Gssctxt **ctx, gss_OID goid)
1011 /* Client doesn't get to see the context */
1015 buffer_put_string(&m, goid->elements, goid->length);
1017 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSSETUP, &m);
1018 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSSETUP, &m);
1020 major = buffer_get_int(&m);
1027 mm_ssh_gssapi_accept_ctx(Gssctxt *ctx, gss_buffer_desc *in,
1028 gss_buffer_desc *out, OM_uint32 *flags)
1035 buffer_put_string(&m, in->value, in->length);
1037 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSSTEP, &m);
1038 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSSTEP, &m);
1040 major = buffer_get_int(&m);
1041 out->value = buffer_get_string(&m, &len);
1044 *flags = buffer_get_int(&m);
1052 mm_ssh_gssapi_checkmic(Gssctxt *ctx, gss_buffer_t gssbuf, gss_buffer_t gssmic)
1058 buffer_put_string(&m, gssbuf->value, gssbuf->length);
1059 buffer_put_string(&m, gssmic->value, gssmic->length);
1061 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSCHECKMIC, &m);
1062 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSCHECKMIC,
1065 major = buffer_get_int(&m);
1071 mm_ssh_gssapi_userok(char *user)
1074 int authenticated = 0;
1078 mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSUSEROK, &m);
1079 mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSUSEROK,
1082 authenticated = buffer_get_int(&m);
1085 debug3("%s: user %sauthenticated",__func__, authenticated ? "" : "not ");
1086 return (authenticated);