- (dtucker) [Makefile.in] Add a install-nosysconf target for installing the

[openssh.git] / monitor.c

diff --git a/monitor.c b/monitor.c
index 00d4a785f63b1b8b3ce39f9cdd82928c6d70b57e..a94e2cd282f546cd3ad820280afd6e7f1c167302 100644 (file)
--- a/monitor.c
+++ b/monitor.c
@@ -25,7 +25,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: monitor.c,v 1.61 2004/07/17 05:31:41 dtucker Exp $");
+RCSID("$OpenBSD: monitor.c,v 1.62 2005/01/30 11:18:08 dtucker Exp $");
 
 #include <openssl/dh.h>
 
@@ -143,6 +143,11 @@ int mm_answer_gss_userok(int, Buffer *);
 int mm_answer_gss_checkmic(int, Buffer *);
 #endif
 
+#ifdef SSH_AUDIT_EVENTS
+int mm_answer_audit_event(int, Buffer *);
+int mm_answer_audit_command(int, Buffer *);
+#endif
+
 static Authctxt *authctxt;
 static BIGNUM *ssh1_challenge = NULL;  /* used for ssh1 rsa auth */
 
@@ -186,6 +191,9 @@ struct mon_table mon_dispatch_proto20[] = {
     {MONITOR_REQ_PAM_RESPOND, MON_ISAUTH, mm_answer_pam_respond},
     {MONITOR_REQ_PAM_FREE_CTX, MON_ONCE|MON_AUTHDECIDE, mm_answer_pam_free_ctx},
 #endif
+#ifdef SSH_AUDIT_EVENTS
+    {MONITOR_REQ_AUDIT_EVENT, 0, mm_answer_audit_event},
+#endif
 #ifdef BSD_AUTH
     {MONITOR_REQ_BSDAUTHQUERY, MON_ISAUTH, mm_answer_bsdauthquery},
     {MONITOR_REQ_BSDAUTHRESPOND, MON_AUTH,mm_answer_bsdauthrespond},
@@ -211,6 +219,10 @@ struct mon_table mon_dispatch_postauth20[] = {
     {MONITOR_REQ_PTY, 0, mm_answer_pty},
     {MONITOR_REQ_PTYCLEANUP, 0, mm_answer_pty_cleanup},
     {MONITOR_REQ_TERM, 0, mm_answer_term},
+#ifdef SSH_AUDIT_EVENTS
+    {MONITOR_REQ_AUDIT_EVENT, MON_PERMIT, mm_answer_audit_event},
+    {MONITOR_REQ_AUDIT_COMMAND, MON_PERMIT, mm_answer_audit_command},
+#endif
     {0, 0, NULL}
 };
 
@@ -238,6 +250,9 @@ struct mon_table mon_dispatch_proto15[] = {
     {MONITOR_REQ_PAM_QUERY, MON_ISAUTH, mm_answer_pam_query},
     {MONITOR_REQ_PAM_RESPOND, MON_ISAUTH, mm_answer_pam_respond},
     {MONITOR_REQ_PAM_FREE_CTX, MON_ONCE|MON_AUTHDECIDE, mm_answer_pam_free_ctx},
+#endif
+#ifdef SSH_AUDIT_EVENTS
+    {MONITOR_REQ_AUDIT_EVENT, 0, mm_answer_audit_event},
 #endif
     {0, 0, NULL}
 };
@@ -246,6 +261,10 @@ struct mon_table mon_dispatch_postauth15[] = {
     {MONITOR_REQ_PTY, MON_ONCE, mm_answer_pty},
     {MONITOR_REQ_PTYCLEANUP, MON_ONCE, mm_answer_pty_cleanup},
     {MONITOR_REQ_TERM, 0, mm_answer_term},
+#ifdef SSH_AUDIT_EVENTS
+    {MONITOR_REQ_AUDIT_EVENT, MON_PERMIT, mm_answer_audit_event},
+    {MONITOR_REQ_AUDIT_COMMAND, MON_PERMIT|MON_ONCE, mm_answer_audit_command},
+#endif
     {0, 0, NULL}
 };
 
@@ -609,6 +628,9 @@ mm_answer_pwnamallow(int sock, Buffer *m)
        if (options.use_pam)
                monitor_permit(mon_dispatch, MONITOR_REQ_PAM_START, 1);
 #endif
+#ifdef SSH_AUDIT_EVENTS
+       monitor_permit(mon_dispatch, MONITOR_REQ_AUDIT_EVENT, 1);
+#endif
 
        return (0);
 }
@@ -1300,7 +1322,7 @@ mm_answer_sesskey(int sock, Buffer *m)
        int rsafail;
 
        /* Turn off permissions */
-       monitor_permit(mon_dispatch, MONITOR_REQ_SESSKEY, 1);
+       monitor_permit(mon_dispatch, MONITOR_REQ_SESSKEY, 0);
 
        if ((p = BN_new()) == NULL)
                fatal("%s: BN_new", __func__);
@@ -1491,6 +1513,50 @@ mm_answer_term(int sock, Buffer *req)
        exit(res);
 }
 
+#ifdef SSH_AUDIT_EVENTS
+/* Report that an audit event occurred */
+int
+mm_answer_audit_event(int socket, Buffer *m)
+{
+       ssh_audit_event_t event;
+
+       debug3("%s entering", __func__);
+
+       event = buffer_get_int(m);
+       buffer_free(m);
+       switch(event) {
+       case SSH_AUTH_FAIL_PUBKEY:
+       case SSH_AUTH_FAIL_HOSTBASED:
+       case SSH_AUTH_FAIL_GSSAPI:
+       case SSH_LOGIN_EXCEED_MAXTRIES:
+       case SSH_LOGIN_ROOT_DENIED:
+       case SSH_CONNECTION_CLOSE:
+       case SSH_INVALID_USER:
+               audit_event(event);
+               break;
+       default:
+               fatal("Audit event type %d not permitted", event);
+       }
+
+       return (0);
+}
+
+int
+mm_answer_audit_command(int socket, Buffer *m)
+{
+       u_int len;
+       char *cmd;
+
+       debug3("%s entering", __func__);
+       cmd = buffer_get_string(m, &len);
+       /* sanity check command, if so how? */
+       audit_run_command(cmd);
+       xfree(cmd);
+       buffer_free(m);
+       return (0);
+}
+#endif /* SSH_AUDIT_EVENTS */
+
 void
 monitor_apply_keystate(struct monitor *pmonitor)
 {