*/
#include "includes.h"
-RCSID("$OpenBSD: monitor_wrap.c,v 1.12 2002/06/26 15:00:32 deraadt Exp $");
+RCSID("$OpenBSD: monitor_wrap.c,v 1.28 2003/07/22 13:35:22 markus Exp $");
#include <openssl/bn.h>
#include <openssl/dh.h>
#include "dh.h"
#include "kex.h"
#include "auth.h"
+#include "auth-options.h"
#include "buffer.h"
#include "bufaux.h"
#include "packet.h"
#include "atomicio.h"
#include "monitor_fdpass.h"
#include "getput.h"
+#include "servconf.h"
#include "auth.h"
#include "channels.h"
extern z_stream outgoing_stream;
extern struct monitor *pmonitor;
extern Buffer input, output;
+extern ServerOptions options;
void
mm_request_send(int socket, enum monitor_reqtype type, Buffer *m)
{
- u_char buf[5];
u_int mlen = buffer_len(m);
+ u_char buf[5];
debug3("%s entering: type %d", __func__, type);
PUT_32BIT(buf, mlen + 1);
buf[4] = (u_char) type; /* 1st byte of payload is mesg-type */
- if (atomicio(write, socket, buf, sizeof(buf)) != sizeof(buf))
+ if (atomicio(vwrite, socket, buf, sizeof(buf)) != sizeof(buf))
fatal("%s: write", __func__);
- if (atomicio(write, socket, buffer_ptr(m), mlen) != mlen)
+ if (atomicio(vwrite, socket, buffer_ptr(m), mlen) != mlen)
fatal("%s: write", __func__);
}
mm_request_receive(int socket, Buffer *m)
{
u_char buf[4];
- ssize_t res;
u_int msg_len;
+ ssize_t res;
debug3("%s entering", __func__);
return (pw);
}
-char* mm_auth2_read_banner(void)
+char *mm_auth2_read_banner(void)
{
Buffer m;
char *banner;
Buffer m;
u_char *blob;
u_int len;
- int allowed = 0;
+ int allowed = 0, have_forced = 0;
debug3("%s entering", __func__);
allowed = buffer_get_int(&m);
+ /* fake forced command */
+ auth_clear_options();
+ have_forced = buffer_get_int(&m);
+ forced_command = have_forced ? xstrdup("true") : NULL;
+
/* Send potential debug messages */
mm_send_debug(&m);
{
Buffer b;
int len;
- u_char *buf;
Enc *enc;
Mac *mac;
Comp *comp;
buffer_put_cstring(&b, comp->name);
len = buffer_len(&b);
- buf = xmalloc(len);
- memcpy(buf, buffer_ptr(&b), len);
- memset(buffer_ptr(&b), 0, len);
- buffer_free(&b);
if (lenp != NULL)
*lenp = len;
- if (blobp != NULL)
- *blobp = buf;
+ if (blobp != NULL) {
+ *blobp = xmalloc(len);
+ memcpy(*blobp, buffer_ptr(&b), len);
+ }
+ memset(buffer_ptr(&b), 0, len);
+ buffer_free(&b);
return len;
}
Buffer m;
u_char *blob, *p;
u_int bloblen, plen;
+ u_int32_t seqnr, packets;
+ u_int64_t blocks;
buffer_init(&m);
buffer_put_string(&m, blob, bloblen);
xfree(blob);
- buffer_put_int(&m, packet_get_seqnr(MODE_OUT));
- buffer_put_int(&m, packet_get_seqnr(MODE_IN));
+ packet_get_state(MODE_OUT, &seqnr, &blocks, &packets);
+ buffer_put_int(&m, seqnr);
+ buffer_put_int64(&m, blocks);
+ buffer_put_int(&m, packets);
+ packet_get_state(MODE_IN, &seqnr, &blocks, &packets);
+ buffer_put_int(&m, seqnr);
+ buffer_put_int64(&m, blocks);
+ buffer_put_int(&m, packets);
debug3("%s: New keys have been sent", __func__);
skip:
mm_pty_allocate(int *ptyfd, int *ttyfd, char *namebuf, int namebuflen)
{
Buffer m;
- u_char *p;
+ char *p;
int success = 0;
buffer_init(&m);
Buffer m;
debug3("%s entering", __func__);
+ if (!options.use_pam)
+ fatal("UsePAM=no, but ended up in %s anyway", __func__);
buffer_init(&m);
buffer_put_cstring(&m, user);
buffer_free(&m);
}
+
+u_int
+mm_do_pam_account(void)
+{
+ Buffer m;
+ u_int ret;
+
+ debug3("%s entering", __func__);
+ if (!options.use_pam)
+ fatal("UsePAM=no, but ended up in %s anyway", __func__);
+
+ buffer_init(&m);
+ mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PAM_ACCOUNT, &m);
+
+ mm_request_receive_expect(pmonitor->m_recvfd,
+ MONITOR_ANS_PAM_ACCOUNT, &m);
+ ret = buffer_get_int(&m);
+
+ buffer_free(&m);
+
+ debug3("%s returning %d", __func__, ret);
+
+ return (ret);
+}
+
+void *
+mm_sshpam_init_ctx(Authctxt *authctxt)
+{
+ Buffer m;
+ int success;
+
+ debug3("%s", __func__);
+ buffer_init(&m);
+ buffer_put_cstring(&m, authctxt->user);
+ mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PAM_INIT_CTX, &m);
+ debug3("%s: waiting for MONITOR_ANS_PAM_INIT_CTX", __func__);
+ mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PAM_INIT_CTX, &m);
+ success = buffer_get_int(&m);
+ if (success == 0) {
+ debug3("%s: pam_init_ctx failed", __func__);
+ buffer_free(&m);
+ return (NULL);
+ }
+ buffer_free(&m);
+ return (authctxt);
+}
+
+int
+mm_sshpam_query(void *ctx, char **name, char **info,
+ u_int *num, char ***prompts, u_int **echo_on)
+{
+ Buffer m;
+ int i, ret;
+
+ debug3("%s", __func__);
+ buffer_init(&m);
+ mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PAM_QUERY, &m);
+ debug3("%s: waiting for MONITOR_ANS_PAM_QUERY", __func__);
+ mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PAM_QUERY, &m);
+ ret = buffer_get_int(&m);
+ debug3("%s: pam_query returned %d", __func__, ret);
+ *name = buffer_get_string(&m, NULL);
+ *info = buffer_get_string(&m, NULL);
+ *num = buffer_get_int(&m);
+ *prompts = xmalloc((*num + 1) * sizeof(char *));
+ *echo_on = xmalloc((*num + 1) * sizeof(u_int));
+ for (i = 0; i < *num; ++i) {
+ (*prompts)[i] = buffer_get_string(&m, NULL);
+ (*echo_on)[i] = buffer_get_int(&m);
+ }
+ buffer_free(&m);
+ return (ret);
+}
+
+int
+mm_sshpam_respond(void *ctx, u_int num, char **resp)
+{
+ Buffer m;
+ int i, ret;
+
+ debug3("%s", __func__);
+ buffer_init(&m);
+ buffer_put_int(&m, num);
+ for (i = 0; i < num; ++i)
+ buffer_put_cstring(&m, resp[i]);
+ mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PAM_RESPOND, &m);
+ debug3("%s: waiting for MONITOR_ANS_PAM_RESPOND", __func__);
+ mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PAM_RESPOND, &m);
+ ret = buffer_get_int(&m);
+ debug3("%s: pam_respond returned %d", __func__, ret);
+ buffer_free(&m);
+ return (ret);
+}
+
+void
+mm_sshpam_free_ctx(void *ctxtp)
+{
+ Buffer m;
+
+ debug3("%s", __func__);
+ buffer_init(&m);
+ mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PAM_FREE_CTX, &m);
+ debug3("%s: waiting for MONITOR_ANS_PAM_FREE_CTX", __func__);
+ mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PAM_FREE_CTX, &m);
+ buffer_free(&m);
+}
#endif /* USE_PAM */
/* Request process termination */
*name = xstrdup("");
*infotxt = xstrdup("");
*numprompts = 1;
- *prompts = xmalloc(*numprompts * sizeof(char*));
+ *prompts = xmalloc(*numprompts * sizeof(char *));
*echo_on = xmalloc(*numprompts * sizeof(u_int));
(*echo_on)[0] = 0;
}
u_int *numprompts, char ***prompts, u_int **echo_on)
{
Buffer m;
- int res;
+ u_int success;
char *challenge;
debug3("%s: entering", __func__);
mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_BSDAUTHQUERY,
&m);
- res = buffer_get_int(&m);
- if (res == -1) {
+ success = buffer_get_int(&m);
+ if (success == 0) {
debug3("%s: no challenge", __func__);
buffer_free(&m);
return (-1);
u_int *numprompts, char ***prompts, u_int **echo_on)
{
Buffer m;
- int len, res;
+ int len;
+ u_int success;
char *p, *challenge;
debug3("%s: entering", __func__);
mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_SKEYQUERY,
&m);
- res = buffer_get_int(&m);
- if (res == -1) {
+ success = buffer_get_int(&m);
+ if (success == 0) {
debug3("%s: no challenge", __func__);
buffer_free(&m);
return (-1);
Key *key;
u_char *blob;
u_int blen;
- int allowed = 0;
+ int allowed = 0, have_forced = 0;
debug3("%s entering", __func__);
allowed = buffer_get_int(&m);
+ /* fake forced command */
+ auth_clear_options();
+ have_forced = buffer_get_int(&m);
+ forced_command = have_forced ? xstrdup("true") : NULL;
+
if (allowed && rkey != NULL) {
blob = buffer_get_string(&m, &blen);
if ((key = key_from_blob(blob, blen)) == NULL)
return (success);
}
+
+#ifdef KRB5
+int
+mm_auth_krb5(void *ctx, void *argp, char **userp, void *resp)
+{
+ krb5_data *tkt, *reply;
+ Buffer m;
+ int success;
+
+ debug3("%s entering", __func__);
+ tkt = (krb5_data *) argp;
+ reply = (krb5_data *) resp;
+
+ buffer_init(&m);
+ buffer_put_string(&m, tkt->data, tkt->length);
+
+ mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_KRB5, &m);
+ mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_KRB5, &m);
+
+ success = buffer_get_int(&m);
+ if (success) {
+ u_int len;
+
+ *userp = buffer_get_string(&m, NULL);
+ reply->data = buffer_get_string(&m, &len);
+ reply->length = len;
+ } else {
+ memset(reply, 0, sizeof(*reply));
+ *userp = NULL;
+ }
+
+ buffer_free(&m);
+ return (success);
+}
+#endif
andersk / openssh.git / blobdiff