[openssh] - clean the data structures in the privileged process

Jan F. Chadima jfch2222 at fedoraproject.org
Mon Jan 31 16:04:31 UTC 2011


commit 6f931660c8aabe0e9006aa30ae922f0de9c91a83
Author: Jan F <jfch at kerberos.example.com>
Date:   Mon Jan 31 17:04:10 2011 +0100

    - clean the data structures in the privileged process

 openssh-5.6p1-audit5.patch |   71 ++++++++++++++++++++++++-------------------
 openssh.spec               |    5 ++-
 2 files changed, 44 insertions(+), 32 deletions(-)
---
diff --git a/openssh-5.6p1-audit5.patch b/openssh-5.6p1-audit5.patch
index 471c211..a79bc0d 100644
--- a/openssh-5.6p1-audit5.patch
+++ b/openssh-5.6p1-audit5.patch
@@ -1,6 +1,6 @@
 diff -up openssh-5.6p1/audit-bsm.c.audit5 openssh-5.6p1/audit-bsm.c
---- openssh-5.6p1/audit-bsm.c.audit5	2011-01-24 23:31:17.000000000 +0100
-+++ openssh-5.6p1/audit-bsm.c	2011-01-24 23:31:17.000000000 +0100
+--- openssh-5.6p1/audit-bsm.c.audit5	2011-01-31 16:03:38.000000000 +0100
++++ openssh-5.6p1/audit-bsm.c	2011-01-31 16:03:38.000000000 +0100
 @@ -401,4 +401,10 @@ audit_session_key_free_body(int ctos)
  {
  	/* not implemented */
@@ -13,8 +13,8 @@ diff -up openssh-5.6p1/audit-bsm.c.audit5 openssh-5.6p1/audit-bsm.c
 +}
  #endif /* BSM */
 diff -up openssh-5.6p1/audit.c.audit5 openssh-5.6p1/audit.c
---- openssh-5.6p1/audit.c.audit5	2011-01-24 23:31:17.000000000 +0100
-+++ openssh-5.6p1/audit.c	2011-01-24 23:31:17.000000000 +0100
+--- openssh-5.6p1/audit.c.audit5	2011-01-31 16:03:38.000000000 +0100
++++ openssh-5.6p1/audit.c	2011-01-31 16:03:38.000000000 +0100
 @@ -268,5 +268,14 @@ audit_session_key_free_body(int ctos)
  {
  	debug("audit session key discard euid %d direction %d", geteuid(), ctos);
@@ -31,8 +31,8 @@ diff -up openssh-5.6p1/audit.c.audit5 openssh-5.6p1/audit.c
  # endif  /* !defined CUSTOM_SSH_AUDIT_EVENTS */
  #endif /* SSH_AUDIT_EVENTS */
 diff -up openssh-5.6p1/audit.h.audit5 openssh-5.6p1/audit.h
---- openssh-5.6p1/audit.h.audit5	2011-01-24 23:31:17.000000000 +0100
-+++ openssh-5.6p1/audit.h	2011-01-24 23:31:17.000000000 +0100
+--- openssh-5.6p1/audit.h.audit5	2011-01-31 16:03:38.000000000 +0100
++++ openssh-5.6p1/audit.h	2011-01-31 16:03:38.000000000 +0100
 @@ -62,5 +62,6 @@ void	audit_unsupported_body(int);
  void	audit_kex_body(int, char *, char *, char *);
  void	audit_session_key_free(int ctos);
@@ -41,8 +41,8 @@ diff -up openssh-5.6p1/audit.h.audit5 openssh-5.6p1/audit.h
  
  #endif /* _SSH_AUDIT_H */
 diff -up openssh-5.6p1/audit-linux.c.audit5 openssh-5.6p1/audit-linux.c
---- openssh-5.6p1/audit-linux.c.audit5	2011-01-24 23:31:17.000000000 +0100
-+++ openssh-5.6p1/audit-linux.c	2011-01-24 23:31:17.000000000 +0100
+--- openssh-5.6p1/audit-linux.c.audit5	2011-01-31 16:03:38.000000000 +0100
++++ openssh-5.6p1/audit-linux.c	2011-01-31 16:03:38.000000000 +0100
 @@ -226,4 +226,26 @@ audit_session_key_free_body(int ctos)
  		error("cannot write into audit");
  }
@@ -71,8 +71,8 @@ diff -up openssh-5.6p1/audit-linux.c.audit5 openssh-5.6p1/audit-linux.c
 +
  #endif /* USE_LINUX_AUDIT */
 diff -up openssh-5.6p1/kex.c.audit5 openssh-5.6p1/kex.c
---- openssh-5.6p1/kex.c.audit5	2011-01-24 23:31:17.000000000 +0100
-+++ openssh-5.6p1/kex.c	2011-01-24 23:31:17.000000000 +0100
+--- openssh-5.6p1/kex.c.audit5	2011-01-31 16:03:37.000000000 +0100
++++ openssh-5.6p1/kex.c	2011-01-31 16:03:38.000000000 +0100
 @@ -592,3 +592,34 @@ dump_digest(char *msg, u_char *digest, i
  	fprintf(stderr, "\n");
  }
@@ -110,7 +110,7 @@ diff -up openssh-5.6p1/kex.c.audit5 openssh-5.6p1/kex.c
 +
 diff -up openssh-5.6p1/kex.h.audit5 openssh-5.6p1/kex.h
 --- openssh-5.6p1/kex.h.audit5	2010-02-26 21:55:05.000000000 +0100
-+++ openssh-5.6p1/kex.h	2011-01-24 23:31:17.000000000 +0100
++++ openssh-5.6p1/kex.h	2011-01-31 16:03:38.000000000 +0100
 @@ -146,6 +146,8 @@ void	 kexdh_server(Kex *);
  void	 kexgex_client(Kex *);
  void	 kexgex_server(Kex *);
@@ -122,7 +122,7 @@ diff -up openssh-5.6p1/kex.h.audit5 openssh-5.6p1/kex.h
      BIGNUM *, BIGNUM *, BIGNUM *, u_char **, u_int *);
 diff -up openssh-5.6p1/mac.c.audit5 openssh-5.6p1/mac.c
 --- openssh-5.6p1/mac.c.audit5	2008-06-13 02:58:50.000000000 +0200
-+++ openssh-5.6p1/mac.c	2011-01-24 23:31:17.000000000 +0100
++++ openssh-5.6p1/mac.c	2011-01-31 16:03:38.000000000 +0100
 @@ -162,6 +162,22 @@ mac_clear(Mac *mac)
  	mac->umac_ctx = NULL;
  }
@@ -148,15 +148,15 @@ diff -up openssh-5.6p1/mac.c.audit5 openssh-5.6p1/mac.c
  int
 diff -up openssh-5.6p1/mac.h.audit5 openssh-5.6p1/mac.h
 --- openssh-5.6p1/mac.h.audit5	2007-06-11 06:01:42.000000000 +0200
-+++ openssh-5.6p1/mac.h	2011-01-24 23:31:17.000000000 +0100
++++ openssh-5.6p1/mac.h	2011-01-31 16:03:38.000000000 +0100
 @@ -28,3 +28,4 @@ int	 mac_setup(Mac *, char *);
  int	 mac_init(Mac *);
  u_char	*mac_compute(Mac *, u_int32_t, u_char *, int);
  void	 mac_clear(Mac *);
 +void	 mac_destroy(Mac *);
 diff -up openssh-5.6p1/monitor.c.audit5 openssh-5.6p1/monitor.c
---- openssh-5.6p1/monitor.c.audit5	2011-01-24 23:31:17.000000000 +0100
-+++ openssh-5.6p1/monitor.c	2011-01-24 23:31:17.000000000 +0100
+--- openssh-5.6p1/monitor.c.audit5	2011-01-31 16:03:38.000000000 +0100
++++ openssh-5.6p1/monitor.c	2011-01-31 16:03:38.000000000 +0100
 @@ -181,6 +181,7 @@ int mm_answer_audit_command(int, Buffer 
  int mm_answer_audit_unsupported_body(int, Buffer *);
  int mm_answer_audit_kex_body(int, Buffer *);
@@ -214,8 +214,8 @@ diff -up openssh-5.6p1/monitor.c.audit5 openssh-5.6p1/monitor.c
 +}
  #endif /* SSH_AUDIT_EVENTS */
 diff -up openssh-5.6p1/monitor.h.audit5 openssh-5.6p1/monitor.h
---- openssh-5.6p1/monitor.h.audit5	2011-01-24 23:31:17.000000000 +0100
-+++ openssh-5.6p1/monitor.h	2011-01-24 23:31:17.000000000 +0100
+--- openssh-5.6p1/monitor.h.audit5	2011-01-31 16:03:38.000000000 +0100
++++ openssh-5.6p1/monitor.h	2011-01-31 16:03:38.000000000 +0100
 @@ -69,6 +69,7 @@ enum monitor_reqtype {
  	MONITOR_REQ_AUDIT_UNSUPPORTED, MONITOR_ANS_AUDIT_UNSUPPORTED,
  	MONITOR_REQ_AUDIT_KEX, MONITOR_ANS_AUDIT_KEX,
@@ -225,8 +225,8 @@ diff -up openssh-5.6p1/monitor.h.audit5 openssh-5.6p1/monitor.h
  
  struct mm_master;
 diff -up openssh-5.6p1/monitor_wrap.c.audit5 openssh-5.6p1/monitor_wrap.c
---- openssh-5.6p1/monitor_wrap.c.audit5	2011-01-24 23:31:17.000000000 +0100
-+++ openssh-5.6p1/monitor_wrap.c	2011-01-24 23:31:17.000000000 +0100
+--- openssh-5.6p1/monitor_wrap.c.audit5	2011-01-31 16:03:38.000000000 +0100
++++ openssh-5.6p1/monitor_wrap.c	2011-01-31 16:03:38.000000000 +0100
 @@ -1458,4 +1458,16 @@ mm_audit_session_key_free_body(int ctos)
  				  &m);
  	buffer_free(&m);
@@ -245,8 +245,8 @@ diff -up openssh-5.6p1/monitor_wrap.c.audit5 openssh-5.6p1/monitor_wrap.c
 +}
  #endif /* SSH_AUDIT_EVENTS */
 diff -up openssh-5.6p1/monitor_wrap.h.audit5 openssh-5.6p1/monitor_wrap.h
---- openssh-5.6p1/monitor_wrap.h.audit5	2011-01-24 23:31:17.000000000 +0100
-+++ openssh-5.6p1/monitor_wrap.h	2011-01-24 23:31:17.000000000 +0100
+--- openssh-5.6p1/monitor_wrap.h.audit5	2011-01-31 16:03:38.000000000 +0100
++++ openssh-5.6p1/monitor_wrap.h	2011-01-31 16:03:38.000000000 +0100
 @@ -77,6 +77,7 @@ void mm_audit_run_command(const char *);
  void mm_audit_unsupported_body(int);
  void mm_audit_kex_body(int, char *, char *, char *);
@@ -256,8 +256,8 @@ diff -up openssh-5.6p1/monitor_wrap.h.audit5 openssh-5.6p1/monitor_wrap.h
  
  struct Session;
 diff -up openssh-5.6p1/packet.c.audit5 openssh-5.6p1/packet.c
---- openssh-5.6p1/packet.c.audit5	2011-01-24 23:31:17.000000000 +0100
-+++ openssh-5.6p1/packet.c	2011-01-24 23:40:06.000000000 +0100
+--- openssh-5.6p1/packet.c.audit5	2011-01-31 16:03:38.000000000 +0100
++++ openssh-5.6p1/packet.c	2011-01-31 16:03:38.000000000 +0100
 @@ -60,6 +60,7 @@
  #include <signal.h>
  
@@ -316,7 +316,7 @@ diff -up openssh-5.6p1/packet.c.audit5 openssh-5.6p1/packet.c
 +}
 diff -up openssh-5.6p1/packet.h.audit5 openssh-5.6p1/packet.h
 --- openssh-5.6p1/packet.h.audit5	2009-07-05 23:11:13.000000000 +0200
-+++ openssh-5.6p1/packet.h	2011-01-24 23:31:17.000000000 +0100
++++ openssh-5.6p1/packet.h	2011-01-31 16:03:38.000000000 +0100
 @@ -115,4 +115,5 @@ void	 packet_restore_state(void);
  void	*packet_get_input(void);
  void	*packet_get_output(void);
@@ -325,7 +325,7 @@ diff -up openssh-5.6p1/packet.h.audit5 openssh-5.6p1/packet.h
  #endif				/* PACKET_H */
 diff -up openssh-5.6p1/session.c.audit5 openssh-5.6p1/session.c
 --- openssh-5.6p1/session.c.audit5	2010-06-26 02:00:15.000000000 +0200
-+++ openssh-5.6p1/session.c	2011-01-24 23:31:17.000000000 +0100
++++ openssh-5.6p1/session.c	2011-01-31 16:03:38.000000000 +0100
 @@ -1677,6 +1677,7 @@ do_child(Session *s, const char *command
  
  	/* remove hostkey from the child's memory */
@@ -335,9 +335,9 @@ diff -up openssh-5.6p1/session.c.audit5 openssh-5.6p1/session.c
  	/* Force a password change */
  	if (s->authctxt->force_pwchange) {
 diff -up openssh-5.6p1/sshd.c.audit5 openssh-5.6p1/sshd.c
---- openssh-5.6p1/sshd.c.audit5	2011-01-24 23:31:17.000000000 +0100
-+++ openssh-5.6p1/sshd.c	2011-01-24 23:42:47.000000000 +0100
-@@ -579,6 +579,7 @@ demote_sensitive_data(void)
+--- openssh-5.6p1/sshd.c.audit5	2011-01-31 16:03:38.000000000 +0100
++++ openssh-5.6p1/sshd.c	2011-01-31 16:12:52.000000000 +0100
+@@ -582,6 +582,7 @@ demote_sensitive_data(void)
  		}
  		/* Certs do not need demotion */
  	}
@@ -345,7 +345,16 @@ diff -up openssh-5.6p1/sshd.c.audit5 openssh-5.6p1/sshd.c
  
  	/* We do not clear ssh1_host key and cookie.  XXX - Okay Niels? */
  }
-@@ -1970,6 +1971,8 @@ main(int ac, char **av)
+@@ -692,6 +693,8 @@ privsep_postauth(Authctxt *authctxt)
+ 		verbose("User child is on pid %ld", (long)pmonitor->m_pid);
+ 		close(pmonitor->m_recvfd);
+ 		buffer_clear(&loginmsg);
++		packet_destroy_all();
++		audit_destroy_sensitive_data();
+ 		monitor_child_postauth(pmonitor);
+ 
+ 		/* NEVERREACHED */
+@@ -1977,6 +1980,8 @@ main(int ac, char **av)
  	 */
  	if (use_privsep) {
  		mm_send_keystate(pmonitor);
@@ -354,7 +363,7 @@ diff -up openssh-5.6p1/sshd.c.audit5 openssh-5.6p1/sshd.c
  		exit(0);
  	}
  
-@@ -2011,8 +2014,10 @@ main(int ac, char **av)
+@@ -2018,8 +2023,10 @@ main(int ac, char **av)
  	if (use_privsep) {
  		privsep_postauth(authctxt);
  		/* the monitor process [priv] will not return */
@@ -366,7 +375,7 @@ diff -up openssh-5.6p1/sshd.c.audit5 openssh-5.6p1/sshd.c
  	}
  
  	packet_set_timeout(options.client_alive_interval,
-@@ -2249,6 +2254,7 @@ do_ssh1_kex(void)
+@@ -2256,6 +2263,7 @@ do_ssh1_kex(void)
  	}
  	/* Destroy the private and public keys. No longer. */
  	destroy_sensitive_data();
diff --git a/openssh.spec b/openssh.spec
index f294bca..32f9aa0 100644
--- a/openssh.spec
+++ b/openssh.spec
@@ -71,7 +71,7 @@
 
 # Do not forget to bump pam_ssh_agent_auth release if you rewind the main package release to 1
 %define openssh_ver 5.6p1
-%define openssh_rel 25
+%define openssh_rel 26
 %define pam_ssh_agent_ver 0.9.2
 %define pam_ssh_agent_rel 29
 
@@ -603,6 +603,9 @@ fi
 %endif
 
 %changelog
+* Mon Jan 31 2011 Jan F. Chadima <jchadima at redhat.com> - 5.6p1-26 + 0.9.2-29
+- clean the data structures in the privileged process
+
 * Tue Jan 25 2011 Jan F. Chadima <jchadima at redhat.com> - 5.6p1-25 + 0.9.2-29
 - clean the data structures before exit net process
 


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