diff options
Diffstat (limited to 'crypto/openssh/monitor.c')
-rw-r--r-- | crypto/openssh/monitor.c | 73 |
1 files changed, 71 insertions, 2 deletions
diff --git a/crypto/openssh/monitor.c b/crypto/openssh/monitor.c index b746340..301e150 100644 --- a/crypto/openssh/monitor.c +++ b/crypto/openssh/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, MON_PERMIT, 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} }; @@ -239,6 +251,9 @@ struct mon_table mon_dispatch_proto15[] = { {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, MON_PERMIT, 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_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_COMMAND, 1); +#endif return (0); } @@ -810,6 +832,9 @@ mm_answer_pam_account(int sock, Buffer *m) ret = do_pam_account(); buffer_put_int(m, ret); + buffer_append(&loginmsg, "\0", 1); + buffer_put_cstring(m, buffer_ptr(&loginmsg)); + buffer_clear(&loginmsg); mm_request_send(sock, MONITOR_ANS_PAM_ACCOUNT, m); @@ -1297,7 +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__); @@ -1488,6 +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) { |