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List: ipfire-development
Subject: [PATCH] openssh: Update to 7.3p1.
From: Stefan Schantl <stefan.schantl () ipfire ! org>
Date: 2016-11-30 12:02:03
Message-ID: 1480507323-2470-1-git-send-email-stefan.schantl () ipfire ! org
[Download RAW message or body]
This is a major update to the latest stable version of OpenSSH.
* Drop not longer required patches.
* Drop SElinux support.
Fixes #11218.
Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
---
openssh/openssh.nm | 8 +-
openssh/patches/openssh-6.7p1-audit.patch | 2332 --------------------
.../patches/openssh-6.7p1-seccomp-aarch64.patch | 66 -
3 files changed, 3 insertions(+), 2403 deletions(-)
delete mode 100644 openssh/patches/openssh-6.7p1-audit.patch
delete mode 100644 openssh/patches/openssh-6.7p1-seccomp-aarch64.patch
diff --git a/openssh/openssh.nm b/openssh/openssh.nm
index 8489438..2e8de76 100644
--- a/openssh/openssh.nm
+++ b/openssh/openssh.nm
@@ -4,8 +4,8 @@
###############################################################################
name = openssh
-version = 6.8p1
-release = 2
+version = 7.3p1
+release = 1
groups = Application/Internet
url = http://www.openssh.com/portable.html
@@ -28,10 +28,9 @@ build
automake
groff
libedit-devel
- libselinux-devel
ncurses-devel
openldap-devel
- openssl-devel >= 1.0.0d-2
+ openssl-devel >= 1.0.2
pam-devel
util-linux
zlib-devel
@@ -51,7 +50,6 @@ build
--with-ipaddr-display \
--with-pam \
--with-libedit \
- --with-selinux \
--with-audit=linux
prepare_cmds
diff --git a/openssh/patches/openssh-6.7p1-audit.patch \
b/openssh/patches/openssh-6.7p1-audit.patch deleted file mode 100644
index 213ca67..0000000
--- a/openssh/patches/openssh-6.7p1-audit.patch
+++ /dev/null
@@ -1,2332 +0,0 @@
-diff -up openssh-6.8p1/Makefile.in.audit openssh-6.8p1/Makefile.in
---- openssh-6.8p1/Makefile.in.audit 2015-03-20 13:41:15.065883826 +0100
-+++ openssh-6.8p1/Makefile.in 2015-03-20 13:41:15.100883769 +0100
-@@ -98,7 +98,7 @@ LIBSSH_OBJS=${LIBOPENSSH_OBJS} \
- sc25519.o ge25519.o fe25519.o ed25519.o verify.o hash.o blocks.o \
- kex.o kexdh.o kexgex.o kexecdh.o kexc25519.o \
- kexdhc.o kexgexc.o kexecdhc.o kexc25519c.o \
-- kexdhs.o kexgexs.o kexecdhs.o kexc25519s.o
-+ kexdhs.o kexgexs.o kexecdhs.o kexc25519s.o auditstub.o
-
- SSHOBJS= ssh.o readconf.o clientloop.o sshtty.o \
- sshconnect.o sshconnect1.o sshconnect2.o mux.o \
-diff -up openssh-6.8p1/audit-bsm.c.audit openssh-6.8p1/audit-bsm.c
---- openssh-6.8p1/audit-bsm.c.audit 2015-03-17 06:49:20.000000000 +0100
-+++ openssh-6.8p1/audit-bsm.c 2015-03-20 13:41:15.092883782 +0100
-@@ -375,10 +375,23 @@ audit_connection_from(const char *host,
- #endif
- }
-
--void
-+int
- audit_run_command(const char *command)
- {
- /* not implemented */
-+ return 0;
-+}
-+
-+void
-+audit_end_command(int handle, const char *command)
-+{
-+ /* not implemented */
-+}
-+
-+void
-+audit_count_session_open(void)
-+{
-+ /* not necessary */
- }
-
- void
-@@ -393,6 +406,12 @@ audit_session_close(struct logininfo *li)
- /* not implemented */
- }
-
-+int
-+audit_keyusage(int host_user, const char *type, unsigned bits, char *fp, int rv)
-+{
-+ /* not implemented */
-+}
-+
- void
- audit_event(ssh_audit_event_t event)
- {
-@@ -454,4 +473,40 @@ audit_event(ssh_audit_event_t event)
- debug("%s: unhandled event %d", __func__, event);
- }
- }
-+
-+void
-+audit_unsupported_body(int what)
-+{
-+ /* not implemented */
-+}
-+
-+void
-+audit_kex_body(int ctos, char *enc, char *mac, char *compress, char *pfs, pid_t \
pid, uid_t uid)
-+{
-+ /* not implemented */
-+}
-+
-+void
-+audit_session_key_free_body(int ctos, pid_t pid, uid_t uid)
-+{
-+ /* not implemented */
-+}
-+
-+void
-+audit_destroy_sensitive_data(const char *fp)
-+{
-+ /* not implemented */
-+}
-+
-+void
-+audit_destroy_sensitive_data(const char *fp, pid_t pid, uid_t uid)
-+{
-+ /* not implemented */
-+}
-+
-+void
-+audit_generate_ephemeral_server_key(const char *fp)
-+{
-+ /* not implemented */
-+}
- #endif /* BSM */
-diff -up openssh-6.8p1/audit-linux.c.audit openssh-6.8p1/audit-linux.c
---- openssh-6.8p1/audit-linux.c.audit 2015-03-17 06:49:20.000000000 +0100
-+++ openssh-6.8p1/audit-linux.c 2015-03-20 13:41:15.093883780 +0100
-@@ -35,13 +35,25 @@
-
- #include "log.h"
- #include "audit.h"
-+#include "key.h"
-+#include "hostfile.h"
-+#include "auth.h"
-+#include "misc.h" /* servconf.h needs misc.h for struct ForwardOptions */
-+#include "servconf.h"
- #include "canohost.h"
-+#include "packet.h"
-+#include "cipher.h"
-
-+#define AUDIT_LOG_SIZE 256
-+
-+extern ServerOptions options;
-+extern Authctxt *the_authctxt;
-+extern u_int utmp_len;
- const char* audit_username(void);
-
--int
--linux_audit_record_event(int uid, const char *username,
-- const char *hostname, const char *ip, const char *ttyn, int success)
-+static void
-+linux_audit_user_logxxx(int uid, const char *username,
-+ const char *hostname, const char *ip, const char *ttyn, int success, int event)
- {
- int audit_fd, rc, saved_errno;
-
-@@ -49,11 +61,11 @@ linux_audit_record_event(int uid, const char *username,
- if (audit_fd < 0) {
- if (errno == EINVAL || errno == EPROTONOSUPPORT ||
- errno == EAFNOSUPPORT)
-- return 1; /* No audit support in kernel */
-+ return; /* No audit support in kernel */
- else
-- return 0; /* Must prevent login */
-+ goto fatal_report; /* Must prevent login */
- }
-- rc = audit_log_acct_message(audit_fd, AUDIT_USER_LOGIN,
-+ rc = audit_log_acct_message(audit_fd, event,
- NULL, "login", username ? username : "(unknown)",
- username == NULL ? uid : -1, hostname, ip, ttyn, success);
- saved_errno = errno;
-@@ -65,35 +77,154 @@ linux_audit_record_event(int uid, const char *username,
- if ((rc == -EPERM) && (geteuid() != 0))
- rc = 0;
- errno = saved_errno;
-- return (rc >= 0);
-+ if (rc < 0) {
-+fatal_report:
-+ fatal("linux_audit_write_entry failed: %s", strerror(errno));
-+ }
- }
-
-+static void
-+linux_audit_user_auth(int uid, const char *username,
-+ const char *hostname, const char *ip, const char *ttyn, int success, int event)
-+{
-+ int audit_fd, rc, saved_errno;
-+ static const char *event_name[] = {
-+ "maxtries exceeded",
-+ "root denied",
-+ "success",
-+ "none",
-+ "password",
-+ "challenge-response",
-+ "pubkey",
-+ "hostbased",
-+ "gssapi",
-+ "invalid user",
-+ "nologin",
-+ "connection closed",
-+ "connection abandoned",
-+ "unknown"
-+ };
-+
-+ audit_fd = audit_open();
-+ if (audit_fd < 0) {
-+ if (errno == EINVAL || errno == EPROTONOSUPPORT ||
-+ errno == EAFNOSUPPORT)
-+ return; /* No audit support in kernel */
-+ else
-+ goto fatal_report; /* Must prevent login */
-+ }
-+
-+ if ((event < 0) || (event > SSH_AUDIT_UNKNOWN))
-+ event = SSH_AUDIT_UNKNOWN;
-+
-+ rc = audit_log_acct_message(audit_fd, AUDIT_USER_AUTH,
-+ NULL, event_name[event], username ? username : "(unknown)",
-+ username == NULL ? uid : -1, hostname, ip, ttyn, success);
-+ saved_errno = errno;
-+ close(audit_fd);
-+ /*
-+ * Do not report error if the error is EPERM and sshd is run as non
-+ * root user.
-+ */
-+ if ((rc == -EPERM) && (geteuid() != 0))
-+ rc = 0;
-+ errno = saved_errno;
-+ if (rc < 0) {
-+fatal_report:
-+ fatal("linux_audit_write_entry failed: %s", strerror(errno));
-+ }
-+}
-+
-+int
-+audit_keyusage(int host_user, const char *type, unsigned bits, char *fp, int rv)
-+{
-+ char buf[AUDIT_LOG_SIZE];
-+ int audit_fd, rc, saved_errno;
-+
-+ audit_fd = audit_open();
-+ if (audit_fd < 0) {
-+ if (errno == EINVAL || errno == EPROTONOSUPPORT ||
-+ errno == EAFNOSUPPORT)
-+ return 1; /* No audit support in kernel */
-+ else \
-+ return 0; /* Must prevent login */
-+ }
-+ snprintf(buf, sizeof(buf), "%s_auth rport=%d", host_user ? "pubkey" : "hostbased", \
get_remote_port());
-+ rc = audit_log_acct_message(audit_fd, AUDIT_USER_AUTH, NULL,
-+ buf, audit_username(), -1, NULL, get_remote_ipaddr(), NULL, rv);
-+ if ((rc < 0) && ((rc != -1) || (getuid() == 0)))
-+ goto out;
-+ /* is the fingerprint_prefix() still needed?
-+ snprintf(buf, sizeof(buf), "key algo=%s size=%d fp=%s%s rport=%d",
-+ type, bits, sshkey_fingerprint_prefix(), fp, get_remote_port());
-+ */
-+ snprintf(buf, sizeof(buf), "key algo=%s size=%d fp=%s rport=%d",
-+ type, bits, fp, get_remote_port());
-+ rc = audit_log_acct_message(audit_fd, AUDIT_USER_AUTH, NULL,
-+ buf, audit_username(), -1, NULL, get_remote_ipaddr(), NULL, rv);
-+out:
-+ saved_errno = errno;
-+ audit_close(audit_fd);
-+ errno = saved_errno;
-+ /* do not report error if the error is EPERM and sshd is run as non root user */
-+ return (rc >= 0) || ((rc == -EPERM) && (getuid() != 0));
-+}
-+
-+static int user_login_count = 0;
-+
- /* Below is the sshd audit API code */
-
- void
- audit_connection_from(const char *host, int port)
- {
--}
- /* not implemented */
-+}
-
--void
-+int
- audit_run_command(const char *command)
- {
-- /* not implemented */
-+ if (!user_login_count++)
-+ linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL, \
get_remote_name_or_ip(utmp_len, options.use_dns),
-+ NULL, "ssh", 1, AUDIT_USER_LOGIN);
-+ linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL, \
get_remote_name_or_ip(utmp_len, options.use_dns),
-+ NULL, "ssh", 1, AUDIT_USER_START);
-+ return 0;
-+}
-+
-+void
-+audit_end_command(int handle, const char *command)
-+{
-+ linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL, \
get_remote_name_or_ip(utmp_len, options.use_dns),
-+ NULL, "ssh", 1, AUDIT_USER_END);
-+ if (user_login_count && !--user_login_count)
-+ linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL, \
get_remote_name_or_ip(utmp_len, options.use_dns),
-+ NULL, "ssh", 1, AUDIT_USER_LOGOUT);
-+}
-+
-+void
-+audit_count_session_open(void)
-+{
-+ user_login_count++;
- }
-
- void
- audit_session_open(struct logininfo *li)
- {
-- if (linux_audit_record_event(li->uid, NULL, li->hostname,
-- NULL, li->line, 1) == 0)
-- fatal("linux_audit_write_entry failed: %s", strerror(errno));
-+ if (!user_login_count++)
-+ linux_audit_user_logxxx(li->uid, NULL, li->hostname,
-+ NULL, li->line, 1, AUDIT_USER_LOGIN);
-+ linux_audit_user_logxxx(li->uid, NULL, li->hostname,
-+ NULL, li->line, 1, AUDIT_USER_START);
- }
-
- void
- audit_session_close(struct logininfo *li)
- {
-- /* not implemented */
-+ linux_audit_user_logxxx(li->uid, NULL, li->hostname,
-+ NULL, li->line, 1, AUDIT_USER_END);
-+ if (user_login_count && !--user_login_count)
-+ linux_audit_user_logxxx(li->uid, NULL, li->hostname,
-+ NULL, li->line, 1, AUDIT_USER_LOGOUT);
- }
-
- void
-@@ -101,21 +232,43 @@ audit_event(ssh_audit_event_t event)
- {
- switch(event) {
- case SSH_AUTH_SUCCESS:
-- case SSH_CONNECTION_CLOSE:
-+ linux_audit_user_auth(-1, audit_username(), NULL,
-+ get_remote_ipaddr(), "ssh", 1, event);
-+ break;
-+
- case SSH_NOLOGIN:
-- case SSH_LOGIN_EXCEED_MAXTRIES:
- case SSH_LOGIN_ROOT_DENIED:
-+ linux_audit_user_auth(-1, audit_username(), NULL,
-+ get_remote_ipaddr(), "ssh", 0, event);
-+ linux_audit_user_logxxx(-1, audit_username(), NULL,
-+ get_remote_ipaddr(), "ssh", 0, AUDIT_USER_LOGIN);
- break;
-
-+ case SSH_LOGIN_EXCEED_MAXTRIES:
- case SSH_AUTH_FAIL_NONE:
- case SSH_AUTH_FAIL_PASSWD:
- case SSH_AUTH_FAIL_KBDINT:
- case SSH_AUTH_FAIL_PUBKEY:
- case SSH_AUTH_FAIL_HOSTBASED:
- case SSH_AUTH_FAIL_GSSAPI:
-+ linux_audit_user_auth(-1, audit_username(), NULL,
-+ get_remote_ipaddr(), "ssh", 0, event);
-+ break;
-+
-+ case SSH_CONNECTION_CLOSE:
-+ if (user_login_count) {
-+ while (user_login_count--)
-+ linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL, \
get_remote_name_or_ip(utmp_len, options.use_dns),
-+ NULL, "ssh", 1, AUDIT_USER_END);
-+ linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL, \
get_remote_name_or_ip(utmp_len, options.use_dns),
-+ NULL, "ssh", 1, AUDIT_USER_LOGOUT);
-+ }
-+ break;
-+
-+ case SSH_CONNECTION_ABANDON:
- case SSH_INVALID_USER:
-- linux_audit_record_event(-1, audit_username(), NULL,
-- get_remote_ipaddr(), "sshd", 0);
-+ linux_audit_user_logxxx(-1, audit_username(), NULL,
-+ get_remote_ipaddr(), "ssh", 0, AUDIT_USER_LOGIN);
- break;
-
- default:
-@@ -123,4 +276,135 @@ audit_event(ssh_audit_event_t event)
- }
- }
-
-+void
-+audit_unsupported_body(int what)
-+{
-+#ifdef AUDIT_CRYPTO_SESSION
-+ char buf[AUDIT_LOG_SIZE];
-+ const static char *name[] = { "cipher", "mac", "comp" };
-+ char *s;
-+ int audit_fd;
-+
-+ snprintf(buf, sizeof(buf), "op=unsupported-%s direction=? cipher=? ksize=? \
rport=%d laddr=%s lport=%d ",
-+ name[what], get_remote_port(), (s = \
get_local_ipaddr(packet_get_connection_in())),
-+ get_local_port());
-+ free(s);
-+ audit_fd = audit_open();
-+ if (audit_fd < 0)
-+ /* no problem, the next instruction will be fatal() */
-+ return;
-+ audit_log_user_message(audit_fd, AUDIT_CRYPTO_SESSION,
-+ buf, NULL, get_remote_ipaddr(), NULL, 0);
-+ audit_close(audit_fd);
-+#endif
-+}
-+
-+const static char *direction[] = { "from-server", "from-client", "both" };
-+
-+void
-+audit_kex_body(int ctos, char *enc, char *mac, char *compress, char *pfs, pid_t \
pid,
-+ uid_t uid)
-+{
-+#ifdef AUDIT_CRYPTO_SESSION
-+ char buf[AUDIT_LOG_SIZE];
-+ int audit_fd, audit_ok;
-+ const Cipher *cipher = cipher_by_name(enc);
-+ char *s;
-+
-+ snprintf(buf, sizeof(buf), "op=start direction=%s cipher=%s ksize=%d mac=%s pfs=%s \
spid=%jd suid=%jd rport=%d laddr=%s lport=%d ",
-+ direction[ctos], enc, cipher ? 8 * cipher->key_len : 0, mac, pfs,
-+ (intmax_t)pid, (intmax_t)uid,
-+ get_remote_port(), (s = get_local_ipaddr(packet_get_connection_in())), \
get_local_port());
-+ free(s);
-+ audit_fd = audit_open();
-+ if (audit_fd < 0) {
-+ if (errno == EINVAL || errno == EPROTONOSUPPORT ||
-+ errno == EAFNOSUPPORT)
-+ return; /* No audit support in kernel */
-+ else \
-+ fatal("cannot open audit"); /* Must prevent login */
-+ }
-+ audit_ok = audit_log_user_message(audit_fd, AUDIT_CRYPTO_SESSION,
-+ buf, NULL, get_remote_ipaddr(), NULL, 1);
-+ audit_close(audit_fd);
-+ /* do not abort if the error is EPERM and sshd is run as non root user */
-+ if ((audit_ok < 0) && ((audit_ok != -1) || (getuid() == 0)))
-+ fatal("cannot write into audit"); /* Must prevent login */
-+#endif
-+}
-+
-+void
-+audit_session_key_free_body(int ctos, pid_t pid, uid_t uid)
-+{
-+ char buf[AUDIT_LOG_SIZE];
-+ int audit_fd, audit_ok;
-+ char *s;
-+
-+ snprintf(buf, sizeof(buf), "op=destroy kind=session fp=? direction=%s spid=%jd \
suid=%jd rport=%d laddr=%s lport=%d ",
-+ direction[ctos], (intmax_t)pid, (intmax_t)uid,
-+ get_remote_port(),
-+ (s = get_local_ipaddr(packet_get_connection_in())),
-+ get_local_port());
-+ free(s);
-+ audit_fd = audit_open();
-+ if (audit_fd < 0) {
-+ if (errno != EINVAL && errno != EPROTONOSUPPORT &&
-+ errno != EAFNOSUPPORT)
-+ error("cannot open audit");
-+ return;
-+ }
-+ audit_ok = audit_log_user_message(audit_fd, AUDIT_CRYPTO_KEY_USER,
-+ buf, NULL, get_remote_ipaddr(), NULL, 1);
-+ audit_close(audit_fd);
-+ /* do not abort if the error is EPERM and sshd is run as non root user */
-+ if ((audit_ok < 0) && ((audit_ok != -1) || (getuid() == 0)))
-+ error("cannot write into audit");
-+}
-+
-+void
-+audit_destroy_sensitive_data(const char *fp, pid_t pid, uid_t uid)
-+{
-+ char buf[AUDIT_LOG_SIZE];
-+ int audit_fd, audit_ok;
-+
-+ snprintf(buf, sizeof(buf), "op=destroy kind=server fp=%s direction=? spid=%jd \
suid=%jd ",
-+ fp, (intmax_t)pid, (intmax_t)uid);
-+ audit_fd = audit_open();
-+ if (audit_fd < 0) {
-+ if (errno != EINVAL && errno != EPROTONOSUPPORT &&
-+ errno != EAFNOSUPPORT)
-+ error("cannot open audit");
-+ return;
-+ }
-+ audit_ok = audit_log_user_message(audit_fd, AUDIT_CRYPTO_KEY_USER,
-+ buf, NULL,
-+ listening_for_clients() ? get_remote_ipaddr() : NULL,
-+ NULL, 1);
-+ audit_close(audit_fd);
-+ /* do not abort if the error is EPERM and sshd is run as non root user */
-+ if ((audit_ok < 0) && ((audit_ok != -1) || (getuid() == 0)))
-+ error("cannot write into audit");
-+}
-+
-+void
-+audit_generate_ephemeral_server_key(const char *fp)
-+{
-+ char buf[AUDIT_LOG_SIZE];
-+ int audit_fd, audit_ok;
-+
-+ snprintf(buf, sizeof(buf), "op=create kind=server fp=%s direction=? ", fp);
-+ audit_fd = audit_open();
-+ if (audit_fd < 0) {
-+ if (errno != EINVAL && errno != EPROTONOSUPPORT &&
-+ errno != EAFNOSUPPORT)
-+ error("cannot open audit");
-+ return;
-+ }
-+ audit_ok = audit_log_user_message(audit_fd, AUDIT_CRYPTO_KEY_USER,
-+ buf, NULL, 0, NULL, 1);
-+ audit_close(audit_fd);
-+ /* do not abort if the error is EPERM and sshd is run as non root user */
-+ if ((audit_ok < 0) && ((audit_ok != -1) || (getuid() == 0)))
-+ error("cannot write into audit");
-+}
- #endif /* USE_LINUX_AUDIT */
-diff -up openssh-6.8p1/audit.c.audit openssh-6.8p1/audit.c
---- openssh-6.8p1/audit.c.audit 2015-03-17 06:49:20.000000000 +0100
-+++ openssh-6.8p1/audit.c 2015-03-20 13:41:15.093883780 +0100
-@@ -28,6 +28,7 @@
-
- #include <stdarg.h>
- #include <string.h>
-+#include <unistd.h>
-
- #ifdef SSH_AUDIT_EVENTS
-
-@@ -36,6 +37,11 @@
- #include "key.h"
- #include "hostfile.h"
- #include "auth.h"
-+#include "ssh-gss.h"
-+#include "monitor_wrap.h"
-+#include "xmalloc.h"
-+#include "misc.h"
-+#include "servconf.h"
-
- /*
- * Care must be taken when using this since it WILL NOT be initialized when
-@@ -43,6 +49,7 @@
- * audit_event(CONNECTION_ABANDON) is called. Test for NULL before using.
- */
- extern Authctxt *the_authctxt;
-+extern ServerOptions options;
-
- /* Maybe add the audit class to struct Authmethod? */
- ssh_audit_event_t
-@@ -71,13 +78,10 @@ audit_classify_auth(const char *method)
- const char *
- audit_username(void)
- {
-- static const char unknownuser[] = "(unknown user)";
-- static const char invaliduser[] = "(invalid user)";
-+ static const char unknownuser[] = "(unknown)";
-
-- if (the_authctxt == NULL || the_authctxt->user == NULL)
-+ if (the_authctxt == NULL || the_authctxt->user == NULL || !the_authctxt->valid)
- return (unknownuser);
-- if (!the_authctxt->valid)
-- return (invaliduser);
- return (the_authctxt->user);
- }
-
-@@ -111,6 +115,40 @@ audit_event_lookup(ssh_audit_event_t ev)
- return(event_lookup[i].name);
- }
-
-+void
-+audit_key(int host_user, int *rv, const Key *key)
-+{
-+ char *fp;
-+ const char *crypto_name;
-+
-+ fp = sshkey_fingerprint(key, options.fingerprint_hash, SSH_FP_HEX);
-+ if (key->type == KEY_RSA1)
-+ crypto_name = "ssh-rsa1";
-+ else
-+ crypto_name = key_ssh_name(key);
-+ if (audit_keyusage(host_user, crypto_name, key_size(key), fp, *rv) == 0)
-+ *rv = 0;
-+ free(fp);
-+}
-+
-+void
-+audit_unsupported(int what)
-+{
-+ PRIVSEP(audit_unsupported_body(what));
-+}
-+
-+void
-+audit_kex(int ctos, char *enc, char *mac, char *comp, char *pfs)
-+{
-+ PRIVSEP(audit_kex_body(ctos, enc, mac, comp, pfs, getpid(), getuid()));
-+}
-+
-+void
-+audit_session_key_free(int ctos)
-+{
-+ PRIVSEP(audit_session_key_free_body(ctos, getpid(), getuid()));
-+}
-+
- # ifndef CUSTOM_SSH_AUDIT_EVENTS
- /*
- * Null implementations of audit functions.
-@@ -140,6 +178,17 @@ audit_event(ssh_audit_event_t event)
- }
-
- /*
-+ * Called when a child process has called, or will soon call,
-+ * audit_session_open.
-+ */
-+void
-+audit_count_session_open(void)
-+{
-+ debug("audit count session open euid %d user %s", geteuid(),
-+ audit_username());
-+}
-+
-+/*
- * Called when a user session is started. Argument is the tty allocated to
- * the session, or NULL if no tty was allocated.
- *
-@@ -174,13 +223,91 @@ audit_session_close(struct logininfo *li)
- /*
- * This will be called when a user runs a non-interactive command. Note that
- * it may be called multiple times for a single connection since SSH2 allows
-- * multiple sessions within a single connection.
-+ * multiple sessions within a single connection. Returns a "handle" for
-+ * audit_end_command.
- */
--void
-+int
- audit_run_command(const char *command)
- {
- debug("audit run command euid %d user %s command '%.200s'", geteuid(),
- audit_username(), command);
-+ return 0;
-+}
-+
-+/*
-+ * This will be called when the non-interactive command finishes. Note that
-+ * it may be called multiple times for a single connection since SSH2 allows
-+ * multiple sessions within a single connection. "handle" should come from
-+ * the corresponding audit_run_command.
-+ */
-+void
-+audit_end_command(int handle, const char *command)
-+{
-+ debug("audit end nopty exec euid %d user %s command '%.200s'", geteuid(),
-+ audit_username(), command);
-+}
-+
-+/*
-+ * This will be called when user is successfully autherized by the RSA1/RSA/DSA \
key.
-+ *
-+ * Type is the key type, len is the key length(byte) and fp is the fingerprint of \
the key.
-+ */
-+int
-+audit_keyusage(int host_user, const char *type, unsigned bits, char *fp, int rv)
-+{
-+ debug("audit %s key usage euid %d user %s key type %s key length %d fingerprint \
%s%s, result %d",
-+ host_user ? "pubkey" : "hostbased", geteuid(), audit_username(), type, bits,
-+ sshkey_fingerprint_prefix(), fp, rv);
-+}
-+
-+/*
-+ * This will be called when the protocol negotiation fails.
-+ */
-+void
-+audit_unsupported_body(int what)
-+{
-+ debug("audit unsupported protocol euid %d type %d", geteuid(), what);
-+}
-+
-+/*
-+ * This will be called on succesfull protocol negotiation.
-+ */
-+void
-+audit_kex_body(int ctos, char *enc, char *mac, char *compress, char *pfs, pid_t \
pid,
-+ uid_t uid)
-+{
-+ debug("audit protocol negotiation euid %d direction %d cipher %s mac %s compresion \
%s pfs %s from pid %ld uid %u",
-+ (unsigned)geteuid(), ctos, enc, mac, compress, pfs, (long)pid,
-+ (unsigned)uid);
-+}
-+
-+/*
-+ * This will be called on succesfull session key discard
-+ */
-+void
-+audit_session_key_free_body(int ctos, pid_t pid, uid_t uid)
-+{
-+ debug("audit session key discard euid %u direction %d from pid %ld uid %u",
-+ (unsigned)geteuid(), ctos, (long)pid, (unsigned)uid);
-+}
-+
-+/*
-+ * This will be called on destroy private part of the server key
-+ */
-+void
-+audit_destroy_sensitive_data(const char *fp, pid_t pid, uid_t uid)
-+{
-+ debug("audit destroy sensitive data euid %d fingerprint %s from pid %ld uid %u",
-+ geteuid(), fp, (long)pid, (unsigned)uid);
-+}
-+
-+/*
-+ * This will be called on generation of the ephemeral server key
-+ */
-+void
-+audit_generate_ephemeral_server_key(const char *)
-+{
-+ debug("audit create ephemeral server key euid %d fingerprint %s", geteuid(), fp);
- }
- # endif /* !defined CUSTOM_SSH_AUDIT_EVENTS */
- #endif /* SSH_AUDIT_EVENTS */
-diff -up openssh-6.8p1/audit.h.audit openssh-6.8p1/audit.h
---- openssh-6.8p1/audit.h.audit 2015-03-17 06:49:20.000000000 +0100
-+++ openssh-6.8p1/audit.h 2015-03-20 13:41:15.093883780 +0100
-@@ -28,6 +28,7 @@
- # define _SSH_AUDIT_H
-
- #include "loginrec.h"
-+#include "key.h"
-
- enum ssh_audit_event_type {
- SSH_LOGIN_EXCEED_MAXTRIES,
-@@ -47,11 +48,25 @@ enum ssh_audit_event_type {
- };
- typedef enum ssh_audit_event_type ssh_audit_event_t;
-
-+int listening_for_clients(void);
-+
- void audit_connection_from(const char *, int);
- void audit_event(ssh_audit_event_t);
-+void audit_count_session_open(void);
- void audit_session_open(struct logininfo *);
- void audit_session_close(struct logininfo *);
--void audit_run_command(const char *);
-+int audit_run_command(const char *);
-+void audit_end_command(int, const char *);
- ssh_audit_event_t audit_classify_auth(const char *);
-+int audit_keyusage(int, const char *, unsigned, char *, int);
-+void audit_key(int, int *, const Key *);
-+void audit_unsupported(int);
-+void audit_kex(int, char *, char *, char *, char *);
-+void audit_unsupported_body(int);
-+void audit_kex_body(int, char *, char *, char *, char *, pid_t, uid_t);
-+void audit_session_key_free(int ctos);
-+void audit_session_key_free_body(int ctos, pid_t, uid_t);
-+void audit_destroy_sensitive_data(const char *, pid_t, uid_t);
-+void audit_generate_ephemeral_server_key(const char *);
-
- #endif /* _SSH_AUDIT_H */
-diff -up openssh-6.8p1/auditstub.c.audit openssh-6.8p1/auditstub.c
---- openssh-6.8p1/auditstub.c.audit 2015-03-20 13:41:15.093883780 +0100
-+++ openssh-6.8p1/auditstub.c 2015-03-20 13:41:15.093883780 +0100
-@@ -0,0 +1,50 @@
-+/* $Id: auditstub.c,v 1.1 jfch Exp $ */
-+
-+/*
-+ * Copyright 2010 Red Hat, Inc. All rights reserved.
-+ * Use is subject to license terms.
-+ *
-+ * Redistribution and use in source and binary forms, with or without
-+ * modification, are permitted provided that the following conditions
-+ * are met:
-+ * 1. Redistributions of source code must retain the above copyright
-+ * notice, this list of conditions and the following disclaimer.
-+ * 2. Redistributions in binary form must reproduce the above copyright
-+ * notice, this list of conditions and the following disclaimer in the
-+ * documentation and/or other materials provided with the distribution.
-+ *
-+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
-+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
-+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-+ *
-+ * Red Hat author: Jan F. Chadima <jchadima@redhat.com>
-+ */
-+
-+#include <sys/types.h>
-+
-+void
-+audit_unsupported(int n)
-+{
-+}
-+
-+void
-+audit_kex(int ctos, char *enc, char *mac, char *comp, char *pfs)
-+{
-+}
-+
-+void
-+audit_session_key_free(int ctos)
-+{
-+}
-+
-+void
-+audit_session_key_free_body(int ctos, pid_t pid, uid_t uid)
-+{
-+}
-diff -up openssh-6.8p1/auth-rsa.c.audit openssh-6.8p1/auth-rsa.c
---- openssh-6.8p1/auth-rsa.c.audit 2015-03-17 06:49:20.000000000 +0100
-+++ openssh-6.8p1/auth-rsa.c 2015-03-20 13:41:15.094883779 +0100
-@@ -95,7 +95,10 @@ auth_rsa_verify_response(Key *key, BIGNUM *challenge, u_char \
response[16])
- {
- u_char buf[32], mdbuf[16];
- struct ssh_digest_ctx *md;
-- int len;
-+ int len, rv;
-+#ifdef SSH_AUDIT_EVENTS
-+ char *fp;
-+#endif
-
- /* don't allow short keys */
- if (BN_num_bits(key->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) {
-@@ -119,12 +122,18 @@ auth_rsa_verify_response(Key *key, BIGNUM *challenge, u_char \
response[16])
- ssh_digest_free(md);
-
- /* Verify that the response is the original challenge. */
-- if (timingsafe_bcmp(response, mdbuf, 16) != 0) {
-- /* Wrong answer. */
-- return (0);
-+ rv = timingsafe_bcmp(response, mdbuf, 16) == 0;
-+
-+#ifdef SSH_AUDIT_EVENTS
-+ fp = sshkey_fingerprint(key, options.fingerprint_hash, SSH_FP_HEX);
-+ if (audit_keyusage(1, "ssh-rsa1", RSA_size(key->rsa) * 8, fp, rv) == 0) {
-+ debug("unsuccessful audit");
-+ rv = 0;
- }
-- /* Correct answer. */
-- return (1);
-+ free(fp);
-+#endif
-+
-+ return rv;
- }
-
- /*
-diff -up openssh-6.8p1/auth.c.audit openssh-6.8p1/auth.c
---- openssh-6.8p1/auth.c.audit 2015-03-17 06:49:20.000000000 +0100
-+++ openssh-6.8p1/auth.c 2015-03-20 13:41:15.094883779 +0100
-@@ -644,9 +644,6 @@ getpwnamallow(const char *user)
- record_failed_login(user,
- get_canonical_hostname(options.use_dns), "ssh");
- #endif
--#ifdef SSH_AUDIT_EVENTS
-- audit_event(SSH_INVALID_USER);
--#endif /* SSH_AUDIT_EVENTS */
- return (NULL);
- }
- if (!allowed_user(pw))
-diff -up openssh-6.8p1/auth.h.audit openssh-6.8p1/auth.h
---- openssh-6.8p1/auth.h.audit 2015-03-20 13:41:15.002883927 +0100
-+++ openssh-6.8p1/auth.h 2015-03-20 13:41:15.094883779 +0100
-@@ -195,6 +195,7 @@ void abandon_challenge_response(Authctxt
-
- char *expand_authorized_keys(const char *, struct passwd *pw);
- char *authorized_principals_file(struct passwd *);
-+int user_key_verify(const Key *, const u_char *, u_int, const u_char *, u_int);
-
- FILE *auth_openkeyfile(const char *, struct passwd *, int);
- FILE *auth_openprincipals(const char *, struct passwd *, int);
-@@ -213,6 +214,7 @@ int get_hostkey_index(Key *, int, struc
- int ssh1_session_key(BIGNUM *);
- int sshd_hostkey_sign(Key *, Key *, u_char **, size_t *,
- const u_char *, size_t, u_int);
-+int hostbased_key_verify(const Key *, const u_char *, u_int, const u_char *, \
u_int);
-
- /* debug messages during authentication */
- void auth_debug_add(const char *fmt,...) __attribute__((format(printf, 1, 2)));
-diff -up openssh-6.8p1/auth2-hostbased.c.audit openssh-6.8p1/auth2-hostbased.c
---- openssh-6.8p1/auth2-hostbased.c.audit 2015-03-20 13:41:15.002883927 +0100
-+++ openssh-6.8p1/auth2-hostbased.c 2015-03-20 13:41:15.093883780 +0100
-@@ -147,7 +147,7 @@ userauth_hostbased(Authctxt *authctxt)
- /* test for allowed key and correct signature */
- authenticated = 0;
- if (PRIVSEP(hostbased_key_allowed(authctxt->pw, cuser, chost, key)) &&
-- PRIVSEP(key_verify(key, sig, slen, buffer_ptr(&b),
-+ PRIVSEP(hostbased_key_verify(key, sig, slen, buffer_ptr(&b),
- buffer_len(&b))) == 1)
- authenticated = 1;
-
-@@ -164,6 +164,18 @@ done:
- return authenticated;
- }
-
-+int
-+hostbased_key_verify(const Key *key, const u_char *sig, u_int slen, const u_char \
*data, u_int datalen)
-+{
-+ int rv;
-+
-+ rv = key_verify(key, sig, slen, data, datalen);
-+#ifdef SSH_AUDIT_EVENTS
-+ audit_key(0, &rv, key);
-+#endif
-+ return rv;
-+}
-+
- /* return 1 if given hostkey is allowed */
- int
- hostbased_key_allowed(struct passwd *pw, const char *cuser, char *chost,
-diff -up openssh-6.8p1/auth2-pubkey.c.audit openssh-6.8p1/auth2-pubkey.c
---- openssh-6.8p1/auth2-pubkey.c.audit 2015-03-20 13:41:15.013883910 +0100
-+++ openssh-6.8p1/auth2-pubkey.c 2015-03-20 13:41:15.094883779 +0100
-@@ -172,7 +172,7 @@ userauth_pubkey(Authctxt *authctxt)
- /* test for correct signature */
- authenticated = 0;
- if (PRIVSEP(user_key_allowed(authctxt->pw, key)) &&
-- PRIVSEP(key_verify(key, sig, slen, buffer_ptr(&b),
-+ PRIVSEP(user_key_verify(key, sig, slen, buffer_ptr(&b),
- buffer_len(&b))) == 1) {
- authenticated = 1;
- /* Record the successful key to prevent reuse */
-@@ -250,6 +250,18 @@ pubkey_auth_info(Authctxt *authctxt, con
- free(extra);
- }
-
-+int
-+user_key_verify(const Key *key, const u_char *sig, u_int slen, const u_char *data, \
u_int datalen)
-+{
-+ int rv;
-+
-+ rv = key_verify(key, sig, slen, data, datalen);
-+#ifdef SSH_AUDIT_EVENTS
-+ audit_key(1, &rv, key);
-+#endif
-+ return rv;
-+}
-+
- static int
- match_principals_option(const char *principal_list, struct sshkey_cert *cert)
- {
-diff -up openssh-6.8p1/auth2.c.audit openssh-6.8p1/auth2.c
---- openssh-6.8p1/auth2.c.audit 2015-03-20 13:41:15.044883860 +0100
-+++ openssh-6.8p1/auth2.c 2015-03-20 13:41:15.093883780 +0100
-@@ -249,9 +249,6 @@ input_userauth_request(int type, u_int32
- } else {
- logit("input_userauth_request: invalid user %s", user);
- authctxt->pw = fakepw();
--#ifdef SSH_AUDIT_EVENTS
-- PRIVSEP(audit_event(SSH_INVALID_USER));
--#endif
- }
- #ifdef USE_PAM
- if (options.use_pam)
-diff -up openssh-6.8p1/cipher.c.audit openssh-6.8p1/cipher.c
---- openssh-6.8p1/cipher.c.audit 2015-03-17 06:49:20.000000000 +0100
-+++ openssh-6.8p1/cipher.c 2015-03-20 13:41:15.101883767 +0100
-@@ -57,26 +59,6 @@ extern const EVP_CIPHER *evp_ssh1_3des(v
- extern int ssh1_3des_iv(EVP_CIPHER_CTX *, int, u_char *, int);
- #endif
-
--struct sshcipher {
-- char *name;
-- int number; /* for ssh1 only */
-- u_int block_size;
-- u_int key_len;
-- u_int iv_len; /* defaults to block_size */
-- u_int auth_len;
-- u_int discard_len;
-- u_int flags;
--#define CFLAG_CBC (1<<0)
--#define CFLAG_CHACHAPOLY (1<<1)
--#define CFLAG_AESCTR (1<<2)
--#define CFLAG_NONE (1<<3)
--#ifdef WITH_OPENSSL
-- const EVP_CIPHER *(*evptype)(void);
--#else
-- void *ignored;
--#endif
--};
--
- static const struct sshcipher ciphers[] = {
- #ifdef WITH_SSH1
- { "des", SSH_CIPHER_DES, 8, 8, 0, 0, 0, 1, EVP_des_cbc },
-diff -up openssh-6.8p1/cipher.h.audit openssh-6.8p1/cipher.h
---- openssh-6.8p1/cipher.h.audit 2015-03-17 06:49:20.000000000 +0100
-+++ openssh-6.8p1/cipher.h 2015-03-20 13:41:15.094883779 +0100
-@@ -62,7 +62,26 @@
- #define CIPHER_ENCRYPT 1
- #define CIPHER_DECRYPT 0
-
--struct sshcipher;
-+struct sshcipher {
-+ char *name;
-+ int number; /* for ssh1 only */
-+ u_int block_size;
-+ u_int key_len;
-+ u_int iv_len; /* defaults to block_size */
-+ u_int auth_len;
-+ u_int discard_len;
-+ u_int flags;
-+#define CFLAG_CBC (1<<0)
-+#define CFLAG_CHACHAPOLY (1<<1)
-+#define CFLAG_AESCTR (1<<2)
-+#define CFLAG_NONE (1<<3)
-+#ifdef WITH_OPENSSL
-+ const EVP_CIPHER *(*evptype)(void);
-+#else
-+ void *ignored;
-+#endif
-+};
-+
- struct sshcipher_ctx {
- int plaintext;
- int encrypt;
-diff -up openssh-6.8p1/kex.c.audit openssh-6.8p1/kex.c
---- openssh-6.8p1/kex.c.audit 2015-03-20 13:41:15.046883856 +0100
-+++ openssh-6.8p1/kex.c 2015-03-20 13:41:15.101883767 +0100
-@@ -54,6 +55,7 @@
- #include "ssherr.h"
- #include "sshbuf.h"
- #include "digest.h"
-+#include "audit.h"
-
- #ifdef GSSAPI
- #include "ssh-gss.h"
-@@ -484,8 +508,12 @@ choose_enc(struct sshenc *enc, char *cli
- {
- char *name = match_list(client, server, NULL);
-
-- if (name == NULL)
-+ if (name == NULL) {
-+#ifdef SSH_AUDIT_EVENTS
-+ audit_unsupported(0);
-+#endif
- return SSH_ERR_NO_CIPHER_ALG_MATCH;
-+ }
- if ((enc->cipher = cipher_by_name(name)) == NULL)
- return SSH_ERR_INTERNAL_ERROR;
- enc->name = name;
-@@ -503,8 +531,12 @@ choose_mac(struct ssh *ssh, struct sshma
- {
- char *name = match_list(client, server, NULL);
-
-- if (name == NULL)
-+ if (name == NULL) {
-+#ifdef SSH_AUDIT_EVENTS
-+ audit_unsupported(1);
-+#endif
- return SSH_ERR_NO_MAC_ALG_MATCH;
-+ }
- if (mac_setup(mac, name) < 0)
- return SSH_ERR_INTERNAL_ERROR;
- /* truncate the key */
-@@ -521,8 +553,12 @@ choose_comp(struct sshcomp *comp, char *
- {
- char *name = match_list(client, server, NULL);
-
-- if (name == NULL)
-+ if (name == NULL) {
-+#ifdef SSH_AUDIT_EVENTS
-+ audit_unsupported(2);
-+#endif
- return SSH_ERR_NO_COMPRESS_ALG_MATCH;
-+ }
- if (strcmp(name, "zlib@openssh.com") == 0) {
- comp->type = COMP_DELAYED;
- } else if (strcmp(name, "zlib") == 0) {
-@@ -672,6 +708,10 @@ kex_choose_conf(struct ssh *ssh)
- dh_need = MAX(dh_need, newkeys->enc.block_size);
- dh_need = MAX(dh_need, newkeys->enc.iv_len);
- dh_need = MAX(dh_need, newkeys->mac.key_len);
-+ debug("kex: %s need=%d dh_need=%d", kex->name, need, dh_need);
-+#ifdef SSH_AUDIT_EVENTS
-+ audit_kex(mode, newkeys->enc.name, newkeys->mac.name, newkeys->comp.name, \
kex->name);
-+#endif
- }
- /* XXX need runden? */
- kex->we_need = need;
-@@ -847,3 +887,34 @@ dump_digest(char *msg, u_char *digest, i
- sshbuf_dump_data(digest, len, stderr);
- }
- #endif
-+
-+static void
-+enc_destroy(struct sshenc *enc)
-+{
-+ if (enc == NULL)
-+ return;
-+
-+ if (enc->key) {
-+ memset(enc->key, 0, enc->key_len);
-+ free(enc->key);
-+ }
-+
-+ if (enc->iv) {
-+ memset(enc->iv, 0, enc->block_size);
-+ free(enc->iv);
-+ }
-+
-+ memset(enc, 0, sizeof(*enc));
-+}
-+
-+void
-+newkeys_destroy(struct newkeys *newkeys)
-+{
-+ if (newkeys == NULL)
-+ return;
-+
-+ enc_destroy(&newkeys->enc);
-+ mac_destroy(&newkeys->mac);
-+ memset(&newkeys->comp, 0, sizeof(newkeys->comp));
-+}
-+
-diff -up openssh-6.8p1/kex.h.audit openssh-6.8p1/kex.h
---- openssh-6.8p1/kex.h.audit 2015-03-20 13:41:15.046883856 +0100
-+++ openssh-6.8p1/kex.h 2015-03-20 13:41:15.095883777 +0100
-@@ -199,6 +199,8 @@ int kexgss_client(struct ssh *);
- int kexgss_server(struct ssh *);
- #endif
-
-+void newkeys_destroy(struct newkeys *newkeys);
-+
- int kex_dh_hash(const char *, const char *,
- const u_char *, size_t, const u_char *, size_t, const u_char *, size_t,
- const BIGNUM *, const BIGNUM *, const BIGNUM *, u_char *, size_t *);
-diff -up openssh-6.8p1/key.h.audit openssh-6.8p1/key.h
---- openssh-6.8p1/key.h.audit 2015-03-17 06:49:20.000000000 +0100
-+++ openssh-6.8p1/key.h 2015-03-20 13:41:15.095883777 +0100
-@@ -50,6 +50,7 @@ typedef struct sshkey Key;
- #define key_ecdsa_bits_to_nid sshkey_ecdsa_bits_to_nid
- #define key_ecdsa_key_to_nid sshkey_ecdsa_key_to_nid
- #define key_is_cert sshkey_is_cert
-+#define key_is_private sshkey_is_private
- #define key_type_plain sshkey_type_plain
- #define key_cert_is_legacy sshkey_cert_is_legacy
- #define key_curve_name_to_nid sshkey_curve_name_to_nid
-diff -up openssh-6.8p1/mac.c.audit openssh-6.8p1/mac.c
---- openssh-6.8p1/mac.c.audit 2015-03-17 06:49:20.000000000 +0100
-+++ openssh-6.8p1/mac.c 2015-03-20 13:41:15.102883766 +0100
-@@ -226,6 +246,20 @@ mac_clear(struct sshmac *mac)
- mac->umac_ctx = NULL;
- }
-
-+void
-+mac_destroy(struct sshmac *mac)
-+{
-+ if (mac == NULL)
-+ return;
-+
-+ if (mac->key) {
-+ memset(mac->key, 0, mac->key_len);
-+ free(mac->key);
-+ }
-+
-+ memset(mac, 0, sizeof(*mac));
-+}
-+
- /* XXX copied from ciphers_valid */
- #define MAC_SEP ","
- int
-diff -up openssh-6.8p1/mac.h.audit openssh-6.8p1/mac.h
---- openssh-6.8p1/mac.h.audit 2015-03-17 06:49:20.000000000 +0100
-+++ openssh-6.8p1/mac.h 2015-03-20 13:41:15.095883777 +0100
-@@ -47,5 +47,6 @@ int mac_init(struct sshmac *);
- int mac_compute(struct sshmac *, u_int32_t, const u_char *, int,
- u_char *, size_t);
- void mac_clear(struct sshmac *);
-+void mac_destroy(struct sshmac *);
-
- #endif /* SSHMAC_H */
-diff -up openssh-6.8p1/monitor.c.audit openssh-6.8p1/monitor.c
---- openssh-6.8p1/monitor.c.audit 2015-03-20 13:41:15.072883814 +0100
-+++ openssh-6.8p1/monitor.c 2015-03-20 13:41:15.107883758 +0100
-@@ -102,6 +102,7 @@
- #include "ssh2.h"
- #include "roaming.h"
- #include "authfd.h"
-+#include "audit.h"
- #include "match.h"
- #include "ssherr.h"
-
-@@ -117,6 +118,8 @@ extern Buffer auth_debug;
- extern int auth_debug_init;
- extern Buffer loginmsg;
-
-+extern void destroy_sensitive_data(int);
-+
- /* State exported from the child */
- static struct sshbuf *child_state;
-
-@@ -167,6 +170,11 @@ int mm_answer_gss_updatecreds(int, Buffe
- #ifdef SSH_AUDIT_EVENTS
- int mm_answer_audit_event(int, Buffer *);
- int mm_answer_audit_command(int, Buffer *);
-+int mm_answer_audit_end_command(int, Buffer *);
-+int mm_answer_audit_unsupported_body(int, Buffer *);
-+int mm_answer_audit_kex_body(int, Buffer *);
-+int mm_answer_audit_session_key_free_body(int, Buffer *);
-+int mm_answer_audit_server_key_free(int, Buffer *);
- #endif
-
- static int monitor_read_log(struct monitor *);
-@@ -226,6 +234,10 @@ struct mon_table mon_dispatch_proto20[]
- #endif
- #ifdef SSH_AUDIT_EVENTS
- {MONITOR_REQ_AUDIT_EVENT, MON_PERMIT, mm_answer_audit_event},
-+ {MONITOR_REQ_AUDIT_UNSUPPORTED, MON_PERMIT, mm_answer_audit_unsupported_body},
-+ {MONITOR_REQ_AUDIT_KEX, MON_PERMIT, mm_answer_audit_kex_body},
-+ {MONITOR_REQ_AUDIT_SESSION_KEY_FREE, MON_PERMIT, \
mm_answer_audit_session_key_free_body},
-+ {MONITOR_REQ_AUDIT_SERVER_KEY_FREE, MON_PERMIT, \
mm_answer_audit_server_key_free},
- #endif
- #ifdef BSD_AUTH
- {MONITOR_REQ_BSDAUTHQUERY, MON_ISAUTH, mm_answer_bsdauthquery},
-@@ -264,6 +276,11 @@ struct mon_table mon_dispatch_postauth20
- #ifdef SSH_AUDIT_EVENTS
- {MONITOR_REQ_AUDIT_EVENT, MON_PERMIT, mm_answer_audit_event},
- {MONITOR_REQ_AUDIT_COMMAND, MON_PERMIT, mm_answer_audit_command},
-+ {MONITOR_REQ_AUDIT_END_COMMAND, MON_PERMIT, mm_answer_audit_end_command},
-+ {MONITOR_REQ_AUDIT_UNSUPPORTED, MON_PERMIT, mm_answer_audit_unsupported_body},
-+ {MONITOR_REQ_AUDIT_KEX, MON_PERMIT, mm_answer_audit_kex_body},
-+ {MONITOR_REQ_AUDIT_SESSION_KEY_FREE, MON_PERMIT, \
mm_answer_audit_session_key_free_body},
-+ {MONITOR_REQ_AUDIT_SERVER_KEY_FREE, MON_PERMIT, \
mm_answer_audit_server_key_free},
- #endif
- {0, 0, NULL}
- };
-@@ -296,6 +313,10 @@ struct mon_table mon_dispatch_proto15[]
- #endif
- #ifdef SSH_AUDIT_EVENTS
- {MONITOR_REQ_AUDIT_EVENT, MON_PERMIT, mm_answer_audit_event},
-+ {MONITOR_REQ_AUDIT_UNSUPPORTED, MON_PERMIT, mm_answer_audit_unsupported_body},
-+ {MONITOR_REQ_AUDIT_KEX, MON_PERMIT, mm_answer_audit_kex_body},
-+ {MONITOR_REQ_AUDIT_SESSION_KEY_FREE, MON_PERMIT, \
mm_answer_audit_session_key_free_body},
-+ {MONITOR_REQ_AUDIT_SERVER_KEY_FREE, MON_PERMIT, \
mm_answer_audit_server_key_free},
- #endif
- #endif /* WITH_SSH1 */
- {0, 0, NULL}
-@@ -309,6 +330,11 @@ struct mon_table mon_dispatch_postauth15
- #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},
-+ {MONITOR_REQ_AUDIT_END_COMMAND, MON_PERMIT, mm_answer_audit_end_command},
-+ {MONITOR_REQ_AUDIT_UNSUPPORTED, MON_PERMIT, mm_answer_audit_unsupported_body},
-+ {MONITOR_REQ_AUDIT_KEX, MON_PERMIT, mm_answer_audit_kex_body},
-+ {MONITOR_REQ_AUDIT_SESSION_KEY_FREE, MON_PERMIT, \
mm_answer_audit_session_key_free_body},
-+ {MONITOR_REQ_AUDIT_SERVER_KEY_FREE, MON_PERMIT, \
mm_answer_audit_server_key_free},
- #endif
- #endif /* WITH_SSH1 */
- {0, 0, NULL}
-@@ -1466,9 +1493,11 @@ mm_answer_keyverify(int sock, Buffer *m)
- Key *key;
- u_char *signature, *data, *blob;
- u_int signaturelen, datalen, bloblen;
-+ int type = 0;
- int verified = 0;
- int valid_data = 0;
-
-+ type = buffer_get_int(m);
- blob = buffer_get_string(m, &bloblen);
- signature = buffer_get_string(m, &signaturelen);
- data = buffer_get_string(m, &datalen);
-@@ -1476,6 +1505,8 @@ mm_answer_keyverify(int sock, Buffer *m)
- if (hostbased_cuser == NULL || hostbased_chost == NULL ||
- !monitor_allowed_key(blob, bloblen))
- fatal("%s: bad key, not previously allowed", __func__);
-+ if (type != key_blobtype)
-+ fatal("%s: bad key type", __func__);
-
- key = key_from_blob(blob, bloblen);
- if (key == NULL)
-@@ -1496,7 +1527,17 @@ mm_answer_keyverify(int sock, Buffer *m)
- if (!valid_data)
- fatal("%s: bad signature data blob", __func__);
-
-- verified = key_verify(key, signature, signaturelen, data, datalen);
-+ switch (key_blobtype) {
-+ case MM_USERKEY:
-+ verified = user_key_verify(key, signature, signaturelen, data, datalen);
-+ break;
-+ case MM_HOSTKEY:
-+ verified = hostbased_key_verify(key, signature, signaturelen, data, datalen);
-+ break;
-+ default:
-+ verified = 0;
-+ break;
-+ }
- debug3("%s: key %p signature %s",
- __func__, key, (verified == 1) ? "verified" : "unverified");
-
-@@ -1554,6 +1595,12 @@ mm_session_close(Session *s)
- debug3("%s: tty %s ptyfd %d", __func__, s->tty, s->ptyfd);
- session_pty_cleanup2(s);
- }
-+#ifdef SSH_AUDIT_EVENTS
-+ if (s->command != NULL) {
-+ debug3("%s: command %d", __func__, s->command_handle);
-+ session_end_command2(s);
-+ }
-+#endif
- session_unused(s->self);
- }
-
-@@ -1836,6 +1883,8 @@ mm_answer_term(int sock, Buffer *req)
- sshpam_cleanup();
- #endif
-
-+ destroy_sensitive_data(0);
-+
- while (waitpid(pmonitor->m_pid, &status, 0) == -1)
- if (errno != EINTR)
- exit(1);
-@@ -1878,11 +1927,43 @@ mm_answer_audit_command(int socket, Buff
- {
- u_int len;
- char *cmd;
-+ Session *s;
-
- debug3("%s entering", __func__);
- cmd = buffer_get_string(m, &len);
-+
- /* sanity check command, if so how? */
-- audit_run_command(cmd);
-+ s = session_new();
-+ if (s == NULL)
-+ fatal("%s: error allocating a session", __func__);
-+ s->command = cmd;
-+ s->command_handle = audit_run_command(cmd);
-+
-+ buffer_clear(m);
-+ buffer_put_int(m, s->self);
-+
-+ mm_request_send(socket, MONITOR_ANS_AUDIT_COMMAND, m);
-+
-+ return (0);
-+}
-+
-+int
-+mm_answer_audit_end_command(int socket, Buffer *m)
-+{
-+ int handle;
-+ u_int len;
-+ char *cmd;
-+ Session *s;
-+
-+ debug3("%s entering", __func__);
-+ handle = buffer_get_int(m);
-+ cmd = buffer_get_string(m, &len);
-+
-+ s = session_by_id(handle);
-+ if (s == NULL || s->ttyfd != -1 || s->command == NULL ||
-+ strcmp(s->command, cmd) != 0)
-+ fatal("%s: invalid handle", __func__);
-+ mm_session_close(s);
- free(cmd);
- return (0);
- }
-@@ -1936,6 +2017,7 @@
- void
- mm_get_keystate(struct monitor *pmonitor)
- {
-+ Buffer m;
- debug3("%s: Waiting for new keys", __func__);
-
- if ((child_state = sshbuf_new()) == NULL)
-@@ -1946,6 +2027,21 @@ mm_get_keystate(struct monitor *pmonitor
- mm_request_receive_expect(pmonitor->m_sendfd, MONITOR_REQ_KEYEXPORT,
- child_state);
- debug3("%s: GOT new keys", __func__);
-+
-+#ifdef SSH_AUDIT_EVENTS
-+ if (compat20) {
-+ buffer_init(&m);
-+ mm_request_receive_expect(pmonitor->m_sendfd,
-+ MONITOR_REQ_AUDIT_SESSION_KEY_FREE, &m);
-+ mm_answer_audit_session_key_free_body(pmonitor->m_sendfd, &m);
-+ buffer_free(&m);
-+ }
-+#endif
-+
-+ /* Drain any buffered messages from the child */
-+ while (pmonitor->m_log_recvfd >= 0 && monitor_read_log(pmonitor) == 0)
-+ ;
-+
- }
-
-
-@@ -2212,3 +2308,87 @@ mm_answer_gss_updatecreds(int socket, Bu
-
- #endif /* GSSAPI */
-
-+#ifdef SSH_AUDIT_EVENTS
-+int
-+mm_answer_audit_unsupported_body(int sock, Buffer *m)
-+{
-+ int what;
-+
-+ what = buffer_get_int(m);
-+
-+ audit_unsupported_body(what);
-+
-+ buffer_clear(m);
-+
-+ mm_request_send(sock, MONITOR_ANS_AUDIT_UNSUPPORTED, m);
-+ return 0;
-+}
-+
-+int
-+mm_answer_audit_kex_body(int sock, Buffer *m)
-+{
-+ int ctos, len;
-+ char *cipher, *mac, *compress, *pfs;
-+ pid_t pid;
-+ uid_t uid;
-+
-+ ctos = buffer_get_int(m);
-+ cipher = buffer_get_string(m, &len);
-+ mac = buffer_get_string(m, &len);
-+ compress = buffer_get_string(m, &len);
-+ pfs = buffer_get_string(m, &len);
-+ pid = buffer_get_int64(m);
-+ uid = buffer_get_int64(m);
-+
-+ audit_kex_body(ctos, cipher, mac, compress, pfs, pid, uid);
-+
-+ free(cipher);
-+ free(mac);
-+ free(compress);
-+ free(pfs);
-+ buffer_clear(m);
-+
-+ mm_request_send(sock, MONITOR_ANS_AUDIT_KEX, m);
-+ return 0;
-+}
-+
-+int
-+mm_answer_audit_session_key_free_body(int sock, Buffer *m)
-+{
-+ int ctos;
-+ pid_t pid;
-+ uid_t uid;
-+
-+ ctos = buffer_get_int(m);
-+ pid = buffer_get_int64(m);
-+ uid = buffer_get_int64(m);
-+
-+ audit_session_key_free_body(ctos, pid, uid);
-+
-+ buffer_clear(m);
-+
-+ mm_request_send(sock, MONITOR_ANS_AUDIT_SESSION_KEY_FREE, m);
-+ return 0;
-+}
-+
-+int
-+mm_answer_audit_server_key_free(int sock, Buffer *m)
-+{
-+ int len;
-+ char *fp;
-+ pid_t pid;
-+ uid_t uid;
-+
-+ fp = buffer_get_string(m, &len);
-+ pid = buffer_get_int64(m);
-+ uid = buffer_get_int64(m);
-+
-+ audit_destroy_sensitive_data(fp, pid, uid);
-+
-+ free(fp);
-+ buffer_clear(m);
-+
-+ mm_request_send(sock, MONITOR_ANS_AUDIT_SERVER_KEY_FREE, m);
-+ return 0;
-+}
-+#endif /* SSH_AUDIT_EVENTS */
-diff -up openssh-6.8p1/monitor.h.audit openssh-6.8p1/monitor.h
---- openssh-6.8p1/monitor.h.audit 2015-03-20 13:41:15.072883814 +0100
-+++ openssh-6.8p1/monitor.h 2015-03-20 13:41:15.096883775 +0100
-@@ -69,7 +69,13 @@ enum monitor_reqtype {
- MONITOR_REQ_PAM_QUERY = 106, MONITOR_ANS_PAM_QUERY = 107,
- MONITOR_REQ_PAM_RESPOND = 108, MONITOR_ANS_PAM_RESPOND = 109,
- MONITOR_REQ_PAM_FREE_CTX = 110, MONITOR_ANS_PAM_FREE_CTX = 111,
-- MONITOR_REQ_AUDIT_EVENT = 112, MONITOR_REQ_AUDIT_COMMAND = 113,
-+ MONITOR_REQ_AUDIT_EVENT = 112,
-+ MONITOR_REQ_AUDIT_COMMAND = 114, MONITOR_ANS_AUDIT_COMMAND = 115,
-+ MONITOR_REQ_AUDIT_END_COMMAND = 116,
-+ MONITOR_REQ_AUDIT_UNSUPPORTED = 118, MONITOR_ANS_AUDIT_UNSUPPORTED = 119,
-+ MONITOR_REQ_AUDIT_KEX = 120, MONITOR_ANS_AUDIT_KEX = 121,
-+ MONITOR_REQ_AUDIT_SESSION_KEY_FREE = 122, MONITOR_ANS_AUDIT_SESSION_KEY_FREE = \
123,
-+ MONITOR_REQ_AUDIT_SERVER_KEY_FREE = 124, MONITOR_ANS_AUDIT_SERVER_KEY_FREE = 125
-
- };
-
-diff -up openssh-6.8p1/monitor_wrap.c.audit openssh-6.8p1/monitor_wrap.c
---- openssh-6.8p1/monitor_wrap.c.audit 2015-03-20 13:41:15.047883855 +0100
-+++ openssh-6.8p1/monitor_wrap.c 2015-03-20 13:41:15.108883756 +0100
-@@ -461,7 +461,7 @@ mm_key_allowed(enum mm_keytype type, cha
- */
-
- int
--mm_key_verify(Key *key, u_char *sig, u_int siglen, u_char *data, u_int datalen)
-+mm_key_verify(enum mm_keytype type, Key *key, u_char *sig, u_int siglen, u_char \
*data, u_int datalen)
- {
- Buffer m;
- u_char *blob;
-@@ -475,6 +475,7 @@ mm_key_verify(Key *key, u_char *sig, u_i
- return (0);
-
- buffer_init(&m);
-+ buffer_put_int(&m, type);
- buffer_put_string(&m, blob, len);
- buffer_put_string(&m, sig, siglen);
- buffer_put_string(&m, data, datalen);
-@@ -492,6 +493,18 @@ mm_key_verify(Key *key, u_char *sig, u_i
- return (verified);
- }
-
-+int
-+mm_hostbased_key_verify(Key *key, u_char *sig, u_int siglen, u_char *data, u_int \
datalen)
-+{
-+ return mm_key_verify(MM_HOSTKEY, key, sig, siglen, data, datalen);
-+}
-+
-+int
-+mm_user_key_verify(Key *key, u_char *sig, u_int siglen, u_char *data, u_int \
datalen)
-+{
-+ return mm_key_verify(MM_USERKEY, key, sig, siglen, data, datalen);
-+}
-+
- void
- mm_send_keystate(struct monitor *monitor)
- {
-@@ -1005,10 +1018,11 @@ mm_audit_event(ssh_audit_event_t event)
- buffer_free(&m);
- }
-
--void
-+int
- mm_audit_run_command(const char *command)
- {
- Buffer m;
-+ int handle;
-
- debug3("%s entering command %s", __func__, command);
-
-@@ -1016,6 +1030,26 @@ mm_audit_run_command(const char *command
- buffer_put_cstring(&m, command);
-
- mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUDIT_COMMAND, &m);
-+ mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_AUDIT_COMMAND, &m);
-+
-+ handle = buffer_get_int(&m);
-+ buffer_free(&m);
-+
-+ return (handle);
-+}
-+
-+void
-+mm_audit_end_command(int handle, const char *command)
-+{
-+ Buffer m;
-+
-+ debug3("%s entering command %s", __func__, command);
-+
-+ buffer_init(&m);
-+ buffer_put_int(&m, handle);
-+ buffer_put_cstring(&m, command);
-+
-+ mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUDIT_END_COMMAND, &m);
- buffer_free(&m);
- }
- #endif /* SSH_AUDIT_EVENTS */
-@@ -1151,3 +1185,72 @@ mm_ssh_gssapi_update_creds(ssh_gssapi_cc
-
- #endif /* GSSAPI */
-
-+#ifdef SSH_AUDIT_EVENTS
-+void
-+mm_audit_unsupported_body(int what)
-+{
-+ Buffer m;
-+
-+ buffer_init(&m);
-+ buffer_put_int(&m, what);
-+
-+ mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUDIT_UNSUPPORTED, &m);
-+ mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_AUDIT_UNSUPPORTED,
-+ &m);
-+
-+ buffer_free(&m);
-+}
-+
-+void
-+mm_audit_kex_body(int ctos, char *cipher, char *mac, char *compress, char *fps, \
pid_t pid,
-+ uid_t uid)
-+{
-+ Buffer m;
-+
-+ buffer_init(&m);
-+ buffer_put_int(&m, ctos);
-+ buffer_put_cstring(&m, cipher);
-+ buffer_put_cstring(&m, (mac ? mac : ""));
-+ buffer_put_cstring(&m, compress);
-+ buffer_put_cstring(&m, fps);
-+ buffer_put_int64(&m, pid);
-+ buffer_put_int64(&m, uid);
-+
-+ mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUDIT_KEX, &m);
-+ mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_AUDIT_KEX,
-+ &m);
-+
-+ buffer_free(&m);
-+}
-+
-+void
-+mm_audit_session_key_free_body(int ctos, pid_t pid, uid_t uid)
-+{
-+ Buffer m;
-+
-+ buffer_init(&m);
-+ buffer_put_int(&m, ctos);
-+ buffer_put_int64(&m, pid);
-+ buffer_put_int64(&m, uid);
-+ mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUDIT_SESSION_KEY_FREE, &m);
-+ mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_AUDIT_SESSION_KEY_FREE,
-+ &m);
-+ buffer_free(&m);
-+}
-+
-+void
-+mm_audit_destroy_sensitive_data(const char *fp, pid_t pid, uid_t uid)
-+{
-+ Buffer m;
-+
-+ buffer_init(&m);
-+ buffer_put_cstring(&m, fp);
-+ buffer_put_int64(&m, pid);
-+ buffer_put_int64(&m, uid);
-+
-+ mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUDIT_SERVER_KEY_FREE, &m);
-+ mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_AUDIT_SERVER_KEY_FREE,
-+ &m);
-+ buffer_free(&m);
-+}
-+#endif /* SSH_AUDIT_EVENTS */
-diff -up openssh-6.8p1/monitor_wrap.h.audit openssh-6.8p1/monitor_wrap.h
---- openssh-6.8p1/monitor_wrap.h.audit 2015-03-20 13:41:15.048883853 +0100
-+++ openssh-6.8p1/monitor_wrap.h 2015-03-20 13:41:15.096883775 +0100
-@@ -52,7 +52,8 @@ int mm_key_allowed(enum mm_keytype, char
- int mm_user_key_allowed(struct passwd *, Key *);
- int mm_hostbased_key_allowed(struct passwd *, char *, char *, Key *);
- int mm_auth_rhosts_rsa_key_allowed(struct passwd *, char *, char *, Key *);
--int mm_key_verify(Key *, u_char *, u_int, u_char *, u_int);
-+int mm_hostbased_key_verify(Key *, u_char *, u_int, u_char *, u_int);
-+int mm_user_key_verify(Key *, u_char *, u_int, u_char *, u_int);
- int mm_auth_rsa_key_allowed(struct passwd *, BIGNUM *, Key **);
- int mm_auth_rsa_verify_response(Key *, BIGNUM *, u_char *);
- BIGNUM *mm_auth_rsa_generate_challenge(Key *);
-@@ -79,7 +80,12 @@ void mm_sshpam_free_ctx(void *);
- #ifdef SSH_AUDIT_EVENTS
- #include "audit.h"
- void mm_audit_event(ssh_audit_event_t);
--void mm_audit_run_command(const char *);
-+int mm_audit_run_command(const char *);
-+void mm_audit_end_command(int, const char *);
-+void mm_audit_unsupported_body(int);
-+void mm_audit_kex_body(int, char *, char *, char *, char *, pid_t, uid_t);
-+void mm_audit_session_key_free_body(int, pid_t, uid_t);
-+void mm_audit_destroy_sensitive_data(const char *, pid_t, uid_t);
- #endif
-
- struct Session;
-diff -up openssh-6.8p1/packet.c.audit openssh-6.8p1/packet.c
---- openssh-6.8p1/packet.c.audit 2015-03-20 13:41:14.990883947 +0100
-+++ openssh-6.8p1/packet.c 2015-03-20 13:41:15.097883774 +0100
-@@ -67,6 +67,7 @@
- #include "key.h" /* typedefs XXX */
-
- #include "xmalloc.h"
-+#include "audit.h"
- #include "crc32.h"
- #include "deattack.h"
- #include "compat.h"
-@@ -448,6 +449,13 @@ ssh_packet_get_connection_out(struct ssh
- return ssh->state->connection_out;
- }
-
-+static int
-+packet_state_has_keys (const struct session_state *state)
-+{
-+ return state != NULL &&
-+ (state->newkeys[MODE_IN] != NULL || state->newkeys[MODE_OUT] != NULL);
-+}
-+
- /*
- * Returns the IP-address of the remote host as a string. The returned
- * string must not be freed.
-@@ -478,13 +486,6 @@ ssh_packet_close(struct ssh *ssh)
- if (!state->initialized)
- return;
- state->initialized = 0;
-- if (state->connection_in == state->connection_out) {
-- shutdown(state->connection_out, SHUT_RDWR);
-- close(state->connection_out);
-- } else {
-- close(state->connection_in);
-- close(state->connection_out);
-- }
- sshbuf_free(state->input);
- sshbuf_free(state->output);
- sshbuf_free(state->outgoing_packet);
-@@ -516,14 +517,24 @@ ssh_packet_close(struct ssh *ssh)
- inflateEnd(stream);
- }
- }
-- if ((r = cipher_cleanup(&state->send_context)) != 0)
-- error("%s: cipher_cleanup failed: %s", __func__, ssh_err(r));
-- if ((r = cipher_cleanup(&state->receive_context)) != 0)
-- error("%s: cipher_cleanup failed: %s", __func__, ssh_err(r));
-+ if (packet_state_has_keys(state)) {
-+ if ((r = cipher_cleanup(&state->send_context)) != 0)
-+ error("%s: cipher_cleanup failed: %s", __func__, ssh_err(r));
-+ if ((r = cipher_cleanup(&state->receive_context)) != 0)
-+ error("%s: cipher_cleanup failed: %s", __func__, ssh_err(r));
-+ audit_session_key_free(2);
-+ }
- if (ssh->remote_ipaddr) {
- free(ssh->remote_ipaddr);
- ssh->remote_ipaddr = NULL;
- }
-+ if (state->connection_in == state->connection_out) {
-+ shutdown(state->connection_out, SHUT_RDWR);
-+ close(state->connection_out);
-+ } else {
-+ close(state->connection_in);
-+ close(state->connection_out);
-+ }
- free(ssh->state);
- ssh->state = NULL;
- }
-@@ -941,6 +952,7 @@ ssh_set_newkeys(struct ssh *ssh, int mod
- }
- if (state->newkeys[mode] != NULL) {
- debug("set_newkeys: rekeying");
-+ audit_session_key_free(mode);
- if ((r = cipher_cleanup(cc)) != 0)
- return r;
- enc = &state->newkeys[mode]->enc;
-@@ -2263,6 +2275,75 @@ ssh_packet_get_output(struct ssh *ssh)
- return (void *)ssh->state->output;
- }
-
-+static void
-+newkeys_destroy_and_free(struct newkeys *newkeys)
-+{
-+ if (newkeys == NULL)
-+ return;
-+
-+ free(newkeys->enc.name);
-+
-+ if (newkeys->mac.enabled) {
-+ mac_clear(&newkeys->mac);
-+ free(newkeys->mac.name);
-+ }
-+
-+ free(newkeys->comp.name);
-+
-+ newkeys_destroy(newkeys);
-+ free(newkeys);
-+}
-+
-+static void
-+packet_destroy_state(struct session_state *state)
-+{
-+ if (state == NULL)
-+ return;
-+
-+ cipher_cleanup(&state->receive_context);
-+ cipher_cleanup(&state->send_context);
-+
-+ buffer_free(state->input);
-+ state->input = NULL;
-+ buffer_free(state->output);
-+ state->output = NULL;
-+ buffer_free(state->outgoing_packet);
-+ state->outgoing_packet = NULL;
-+ buffer_free(state->incoming_packet);
-+ state->incoming_packet = NULL;
-+ if( state->compression_buffer ) {
-+ buffer_free(state->compression_buffer);
-+ state->compression_buffer = NULL;
-+ }
-+ newkeys_destroy_and_free(state->newkeys[MODE_IN]);
-+ state->newkeys[MODE_IN] = NULL;
-+ newkeys_destroy_and_free(state->newkeys[MODE_OUT]);
-+ state->newkeys[MODE_OUT] = NULL;
-+ mac_destroy(state->packet_discard_mac);
-+// TAILQ_HEAD(, packet) outgoing;
-+// memset(state, 0, sizeof(state));
-+}
-+
-+void
-+packet_destroy_all(int audit_it, int privsep)
-+{
-+ if (audit_it)
-+ audit_it = (active_state != NULL && packet_state_has_keys(active_state->state))
-+ || (backup_state != NULL && packet_state_has_keys(backup_state->state));
-+ if (active_state != NULL)
-+ packet_destroy_state(active_state->state);
-+ if (backup_state != NULL)
-+ packet_destroy_state(backup_state->state);
-+ if (audit_it) {
-+#ifdef SSH_AUDIT_EVENTS
-+ if (privsep)
-+ audit_session_key_free(2);
-+ else
-+ audit_session_key_free_body(2, getpid(), getuid());
-+#endif
-+ }
-+}
-+
- /* XXX TODO update roaming to new API (does not work anyway) */
- /*
- * Save the state for the real connection, and use a separate state when
-@@ -2272,18 +2373,12 @@ void
- ssh_packet_backup_state(struct ssh *ssh,
- struct ssh *backup_state)
- {
-- struct ssh *tmp;
--
- close(ssh->state->connection_in);
- ssh->state->connection_in = -1;
- close(ssh->state->connection_out);
- ssh->state->connection_out = -1;
-- if (backup_state)
-- tmp = backup_state;
-- else
-- tmp = ssh_alloc_session_state();
- backup_state = ssh;
-- ssh = tmp;
-+ ssh = ssh_alloc_session_state();
- }
-
- /* XXX FIXME FIXME FIXME */
-@@ -2302,9 +2397,7 @@ ssh_packet_restore_state(struct ssh *ssh
- backup_state = ssh;
- ssh = tmp;
- ssh->state->connection_in = backup_state->state->connection_in;
-- backup_state->state->connection_in = -1;
- ssh->state->connection_out = backup_state->state->connection_out;
-- backup_state->state->connection_out = -1;
- len = sshbuf_len(backup_state->state->input);
- if (len > 0) {
- if ((r = sshbuf_putb(ssh->state->input,
-@@ -2313,6 +2406,11 @@ ssh_packet_restore_state(struct ssh *ssh
- sshbuf_reset(backup_state->state->input);
- add_recv_bytes(len);
- }
-+ backup_state->state->connection_in = -1;
-+ backup_state->state->connection_out = -1;
-+ packet_destroy_state(backup_state->state);
-+ free(backup_state);
-+ backup_state = NULL;
- }
-
- /* Reset after_authentication and reset compression in post-auth privsep */
-diff -up openssh-6.8p1/packet.h.audit openssh-6.8p1/packet.h
---- openssh-6.8p1/packet.h.audit 2015-03-17 06:49:20.000000000 +0100
-+++ openssh-6.8p1/packet.h 2015-03-20 13:41:15.097883774 +0100
-@@ -189,7 +189,7 @@ int sshpkt_get_end(struct ssh *ssh);
- const u_char *sshpkt_ptr(struct ssh *, size_t *lenp);
-
- /* OLD API */
--extern struct ssh *active_state;
-+extern struct ssh *active_state, *backup_state;
- #include "opacket.h"
-
- #if !defined(WITH_OPENSSL)
-@@ -203,4 +203,5 @@ extern struct ssh *active_state;
- # undef EC_POINT
- #endif
-
-+void packet_destroy_all(int, int);
- #endif /* PACKET_H */
-diff -up openssh-6.8p1/session.c.audit openssh-6.8p1/session.c
---- openssh-6.8p1/session.c.audit 2015-03-20 13:41:15.073883813 +0100
-+++ openssh-6.8p1/session.c 2015-03-20 13:41:15.097883774 +0100
-@@ -139,7 +139,7 @@ extern int log_stderr;
- extern int debug_flag;
- extern u_int utmp_len;
- extern int startup_pipe;
--extern void destroy_sensitive_data(void);
-+extern void destroy_sensitive_data(int);
- extern Buffer loginmsg;
-
- /* original command from peer. */
-@@ -731,6 +731,14 @@ do_exec_pty(Session *s, const char *comm
- /* Parent. Close the slave side of the pseudo tty. */
- close(ttyfd);
-
-+#ifndef HAVE_OSF_SIA
-+ /* do_login in the child did not affect state in this process,
-+ compensate. From an architectural standpoint, this is extremely
-+ ugly. */
-+ if (!(options.use_login && command == NULL))
-+ audit_count_session_open();
-+#endif
-+
- /* Enter interactive session. */
- s->ptymaster = ptymaster;
- packet_set_interactive(1,
-@@ -853,15 +861,19 @@ do_exec(Session *s, const char *command)
- get_remote_port());
-
- #ifdef SSH_AUDIT_EVENTS
-+ if (s->command != NULL || s->command_handle != -1)
-+ fatal("do_exec: command already set");
- if (command != NULL)
-- PRIVSEP(audit_run_command(command));
-+ s->command = xstrdup(command);
- else if (s->ttyfd == -1) {
- char *shell = s->pw->pw_shell;
-
- if (shell[0] == '\0') /* empty shell means /bin/sh */
- shell =_PATH_BSHELL;
-- PRIVSEP(audit_run_command(shell));
-+ s->command = xstrdup(shell);
- }
-+ if (s->command != NULL && s->ptyfd == -1)
-+ s->command_handle = PRIVSEP(audit_run_command(s->command));
- #endif
- if (s->ttyfd != -1)
- ret = do_exec_pty(s, command);
-@@ -1704,7 +1716,10 @@ do_child(Session *s, const char *command
- int r = 0;
-
- /* remove hostkey from the child's memory */
-- destroy_sensitive_data();
-+ destroy_sensitive_data(1);
-+ /* Don't audit this - both us and the parent would be talking to the
-+ monitor over a single socket, with no synchronization. */
-+ packet_destroy_all(0, 1);
-
- /* Force a password change */
- if (s->authctxt->force_pwchange) {
-@@ -1934,6 +1949,7 @@ session_unused(int id)
- sessions[id].ttyfd = -1;
- sessions[id].ptymaster = -1;
- sessions[id].x11_chanids = NULL;
-+ sessions[id].command_handle = -1;
- sessions[id].next_unused = sessions_first_unused;
- sessions_first_unused = id;
- }
-@@ -2016,6 +2032,19 @@ session_open(Authctxt *authctxt, int cha
- }
-
- Session *
-+session_by_id(int id)
-+{
-+ if (id >= 0 && id < sessions_nalloc) {
-+ Session *s = &sessions[id];
-+ if (s->used)
-+ return s;
-+ }
-+ debug("session_by_id: unknown id %d", id);
-+ session_dump();
-+ return NULL;
-+}
-+
-+Session *
- session_by_tty(char *tty)
- {
- int i;
-@@ -2532,6 +2561,32 @@ session_exit_message(Session *s, int sta
- chan_write_failed(c);
- }
-
-+#ifdef SSH_AUDIT_EVENTS
-+void
-+session_end_command2(Session *s)
-+{
-+ if (s->command != NULL) {
-+ if (s->command_handle != -1)
-+ audit_end_command(s->command_handle, s->command);
-+ free(s->command);
-+ s->command = NULL;
-+ s->command_handle = -1;
-+ }
-+}
-+
-+static void
-+session_end_command(Session *s)
-+{
-+ if (s->command != NULL) {
-+ if (s->command_handle != -1)
-+ PRIVSEP(audit_end_command(s->command_handle, s->command));
-+ free(s->command);
-+ s->command = NULL;
-+ s->command_handle = -1;
-+ }
-+}
-+#endif
-+
- void
- session_close(Session *s)
- {
-@@ -2540,6 +2593,10 @@ session_close(Session *s)
- debug("session_close: session %d pid %ld", s->self, (long)s->pid);
- if (s->ttyfd != -1)
- session_pty_cleanup(s);
-+#ifdef SSH_AUDIT_EVENTS
-+ if (s->command)
-+ session_end_command(s);
-+#endif
- free(s->term);
- free(s->display);
- free(s->x11_chanids);
-@@ -2754,6 +2811,15 @@ do_authenticated2(Authctxt *authctxt)
- server_loop2(authctxt);
- }
-
-+static void
-+do_cleanup_one_session(Session *s)
-+{
-+ session_pty_cleanup2(s);
-+#ifdef SSH_AUDIT_EVENTS
-+ session_end_command2(s);
-+#endif
-+}
-+
- void
- do_cleanup(Authctxt *authctxt)
- {
-@@ -2802,5 +2868,5 @@ do_cleanup(Authctxt *authctxt)
- * or if running in monitor.
- */
- if (!use_privsep || mm_is_monitor())
-- session_destroy_all(session_pty_cleanup2);
-+ session_destroy_all(do_cleanup_one_session);
- }
-diff -up openssh-6.8p1/session.h.audit openssh-6.8p1/session.h
---- openssh-6.8p1/session.h.audit 2015-03-17 06:49:20.000000000 +0100
-+++ openssh-6.8p1/session.h 2015-03-20 13:41:15.097883774 +0100
-@@ -61,6 +61,12 @@ struct Session {
- char *name;
- char *val;
- } *env;
-+
-+ /* exec */
-+#ifdef SSH_AUDIT_EVENTS
-+ int command_handle;
-+ char *command;
-+#endif
- };
-
- void do_authenticated(Authctxt *);
-@@ -73,8 +79,10 @@ void session_close_by_pid(pid_t, int);
- void session_close_by_channel(int, void *);
- void session_destroy_all(void (*)(Session *));
- void session_pty_cleanup2(Session *);
-+void session_end_command2(Session *);
-
- Session *session_new(void);
-+Session *session_by_id(int);
- Session *session_by_tty(char *);
- void session_close(Session *);
- void do_setusercontext(struct passwd *);
-diff -up openssh-6.8p1/sshd.c.audit openssh-6.8p1/sshd.c
---- openssh-6.8p1/sshd.c.audit 2015-03-20 13:41:15.083883796 +0100
-+++ openssh-6.8p1/sshd.c 2015-03-20 13:41:15.110883753 +0100
-@@ -121,6 +124,7 @@
- #endif
- #include "monitor_wrap.h"
- #include "roaming.h"
-+#include "audit.h"
- #include "ssh-sandbox.h"
- #include "version.h"
- #include "ssherr.h"
-@@ -260,7 +264,7 @@ Buffer loginmsg;
- struct passwd *privsep_pw = NULL;
-
- /* Prototypes for various functions defined later in this file. */
--void destroy_sensitive_data(void);
-+void destroy_sensitive_data(int);
- void demote_sensitive_data(void);
-
- #ifdef WITH_SSH1
-@@ -281,6 +285,15 @@ close_listen_socks(void)
- num_listen_socks = -1;
- }
-
-+/*
-+ * Is this process listening for clients (i.e. not specific to any specific
-+ * client connection?)
-+ */
-+int listening_for_clients(void)
-+{
-+ return num_listen_socks > 0;
-+}
-+
- static void
- close_startup_pipes(void)
- {
-@@ -560,22 +573,45 @@ sshd_exchange_identification(int sock_in
- }
- }
-
--/* Destroy the host and server keys. They will no longer be needed. */
-+/*
-+ * Destroy the host and server keys. They will no longer be needed. Careful,
-+ * this can be called from cleanup_exit() - i.e. from just about anywhere.
-+ */
- void
--destroy_sensitive_data(void)
-+destroy_sensitive_data(int privsep)
- {
- int i;
-+ pid_t pid;
-+ uid_t uid;
-
- if (sensitive_data.server_key) {
- key_free(sensitive_data.server_key);
- sensitive_data.server_key = NULL;
- }
-+ pid = getpid();
-+ uid = getuid();
- for (i = 0; i < options.num_host_key_files; i++) {
- if (sensitive_data.host_keys[i]) {
-+ char *fp;
-+
-+ if (key_is_private(sensitive_data.host_keys[i]))
-+ fp = sshkey_fingerprint(sensitive_data.host_keys[i], options.fingerprint_hash, \
SSH_FP_HEX);
-+ else
-+ fp = NULL;
- key_free(sensitive_data.host_keys[i]);
- sensitive_data.host_keys[i] = NULL;
-+ if (fp != NULL) {
-+ if (privsep)
-+ PRIVSEP(audit_destroy_sensitive_data(fp,
-+ pid, uid));
-+ else
-+ audit_destroy_sensitive_data(fp,
-+ pid, uid);
-+ free(fp);
-+ }
- }
-- if (sensitive_data.host_certificates[i]) {
-+ if (sensitive_data.host_certificates
-+ && sensitive_data.host_certificates[i]) {
- key_free(sensitive_data.host_certificates[i]);
- sensitive_data.host_certificates[i] = NULL;
- }
-@@ -589,6 +625,8 @@ void
- demote_sensitive_data(void)
- {
- Key *tmp;
-+ pid_t pid;
-+ uid_t uid;
- int i;
-
- if (sensitive_data.server_key) {
-@@ -597,13 +635,25 @@ demote_sensitive_data(void)
- sensitive_data.server_key = tmp;
- }
-
-+ pid = getpid();
-+ uid = getuid();
- for (i = 0; i < options.num_host_key_files; i++) {
- if (sensitive_data.host_keys[i]) {
-+ char *fp;
-+
-+ if (key_is_private(sensitive_data.host_keys[i]))
-+ fp = sshkey_fingerprint(sensitive_data.host_keys[i], options.fingerprint_hash, \
SSH_FP_HEX);
-+ else
-+ fp = NULL;
- tmp = key_demote(sensitive_data.host_keys[i]);
- key_free(sensitive_data.host_keys[i]);
- sensitive_data.host_keys[i] = tmp;
- if (tmp->type == KEY_RSA1)
- sensitive_data.ssh1_host_key = tmp;
-+ if (fp != NULL) {
-+ audit_destroy_sensitive_data(fp, pid, uid);
-+ free(fp);
-+ }
- }
- /* Certs do not need demotion */
- }
-@@ -675,7 +725,7 @@ privsep_preauth(Authctxt *authctxt)
-
- if (use_privsep == PRIVSEP_ON)
- box = ssh_sandbox_init(pmonitor);
-- pid = fork();
-+ pmonitor->m_pid = pid = fork();
- if (pid == -1) {
- fatal("fork of unprivileged child failed");
- } else if (pid != 0) {
-@@ -759,6 +811,12 @@ privsep_postauth(Authctxt *authctxt)
- else if (pmonitor->m_pid != 0) {
- verbose("User child is on pid %ld", (long)pmonitor->m_pid);
- buffer_clear(&loginmsg);
-+ if (*pmonitor->m_pkex != NULL ){
-+ newkeys_destroy((*pmonitor->m_pkex)->newkeys[MODE_OUT]);
-+ newkeys_destroy((*pmonitor->m_pkex)->newkeys[MODE_IN]);
-+ audit_session_key_free_body(2, getpid(), getuid());
-+ packet_destroy_all(0, 0);
-+ }
- monitor_child_postauth(pmonitor);
-
- /* NEVERREACHED */
-@@ -1286,6 +1341,7 @@ server_accept_loop(int *sock_in, int *so
- if (received_sigterm) {
- logit("Received signal %d; terminating.",
- (int) received_sigterm);
-+ destroy_sensitive_data(0);
- close_listen_socks();
- if (options.pid_file != NULL)
- unlink(options.pid_file);
-@@ -2242,6 +2321,7 @@ main(int ac, char **av)
- */
- if (use_privsep) {
- mm_send_keystate(pmonitor);
-+ packet_destroy_all(1, 1);
- exit(0);
- }
-
-@@ -2287,7 +2367,7 @@ main(int ac, char **av)
- privsep_postauth(authctxt);
- /* the monitor process [priv] will not return */
- if (!compat20)
-- destroy_sensitive_data();
-+ destroy_sensitive_data(0);
- }
-
- packet_set_timeout(options.client_alive_interval,
-@@ -2301,6 +2381,9 @@ main(int ac, char **av)
- do_authenticated(authctxt);
-
- /* The connection has been terminated. */
-+ packet_destroy_all(1, 1);
-+ destroy_sensitive_data(1);
-+
- packet_get_bytes(&ibytes, &obytes);
- verbose("Transferred: sent %llu, received %llu bytes",
- (unsigned long long)obytes, (unsigned long long)ibytes);
-@@ -2461,6 +2544,10 @@ do_ssh1_kex(void)
- if (cookie[i] != packet_get_char())
- packet_disconnect("IP Spoofing check bytes do not match.");
-
-+#ifdef SSH_AUDIT_EVENTS
-+ audit_kex(2, cipher_name(cipher_type), "crc", "none", "none");
-+#endif
-+
- debug("Encryption type: %.200s", cipher_name(cipher_type));
-
- /* Get the encrypted integer. */
-@@ -2520,7 +2607,7 @@ do_ssh1_kex(void)
- }
-
- /* Destroy the private and public keys. No longer. */
-- destroy_sensitive_data();
-+ destroy_sensitive_data(1);
-
- if (use_privsep)
- mm_ssh1_session_id(session_id);
-@@ -2703,6 +2802,16 @@ do_ssh2_kex(void)
- void
- cleanup_exit(int i)
- {
-+ static int in_cleanup = 0;
-+ int is_privsep_child;
-+
-+ /* cleanup_exit can be called at the very least from the privsep
-+ wrappers used for auditing. Make sure we don't recurse
-+ indefinitely. */
-+ if (in_cleanup)
-+ _exit(i);
-+ in_cleanup = 1;
-+
- if (the_authctxt) {
- do_cleanup(the_authctxt);
- if (use_privsep && privsep_is_preauth &&
-@@ -2714,9 +2823,14 @@ cleanup_exit(int i)
- pmonitor->m_pid, strerror(errno));
- }
- }
-+ is_privsep_child = use_privsep && pmonitor != NULL && pmonitor->m_pid == 0;
-+ if (sensitive_data.host_keys != NULL)
-+ destroy_sensitive_data(is_privsep_child);
-+ packet_destroy_all(1, is_privsep_child);
- #ifdef SSH_AUDIT_EVENTS
- /* done after do_cleanup so it can cancel the PAM auth 'thread' */
-- if (!use_privsep || mm_is_monitor())
-+ if ((the_authctxt == NULL || !the_authctxt->authenticated) &&
-+ (!use_privsep || mm_is_monitor()))
- audit_event(SSH_CONNECTION_ABANDON);
- #endif
- _exit(i);
-diff -up openssh-6.8p1/sshkey.c.audit openssh-6.8p1/sshkey.c
---- openssh-6.8p1/sshkey.c.audit 2015-03-17 06:49:20.000000000 +0100
-+++ openssh-6.8p1/sshkey.c 2015-03-20 13:41:15.111883751 +0100
-@@ -317,6 +319,33 @@ sshkey_type_is_valid_ca(int type)
- }
-
- int
-+sshkey_is_private(const struct sshkey *k)
-+{
-+ switch (k->type) {
-+ case KEY_RSA_CERT_V00:
-+ case KEY_RSA_CERT:
-+ case KEY_RSA1:
-+ case KEY_RSA:
-+ return k->rsa->d != NULL;
-+ case KEY_DSA_CERT_V00:
-+ case KEY_DSA_CERT:
-+ case KEY_DSA:
-+ return k->dsa->priv_key != NULL;
-+#ifdef OPENSSL_HAS_ECC
-+ case KEY_ECDSA_CERT:
-+ case KEY_ECDSA:
-+ return EC_KEY_get0_private_key(k->ecdsa) != NULL;
-+#endif
-+ case KEY_ED25519_CERT:
-+ case KEY_ED25519:
-+ return (k->ed25519_pk != NULL);
-+ default:
-+ /* fatal("key_is_private: bad key type %d", k->type); */
-+ return 0;
-+ }
-+}
-+
-+int
- sshkey_is_cert(const struct sshkey *k)
- {
- if (k == NULL)
-diff -up openssh-6.8p1/sshkey.h.audit openssh-6.8p1/sshkey.h
---- openssh-6.8p1/sshkey.h.audit 2015-03-17 06:49:20.000000000 +0100
-+++ openssh-6.8p1/sshkey.h 2015-03-20 13:41:15.098883772 +0100
-@@ -134,6 +134,7 @@ u_int sshkey_size(const struct sshkey
- int sshkey_generate(int type, u_int bits, struct sshkey **keyp);
- int sshkey_from_private(const struct sshkey *, struct sshkey **);
- int sshkey_type_from_name(const char *);
-+int sshkey_is_private(const struct sshkey *);
- int sshkey_is_cert(const struct sshkey *);
- int sshkey_type_is_cert(int);
- int sshkey_type_plain(int);
-diff -up openssh-6.8p1/sandbox-seccomp-filter.c.audit \
openssh-6.8p1/sandbox-seccomp-filter.c
---- openssh-6.8p1/sandbox-seccomp-filter.c.audit 2015-03-20 13:41:15.088883788 +0100
-+++ openssh-6.8p1/sandbox-seccomp-filter.c 2015-03-20 13:41:15.097883774 +0100
-@@ -110,6 +110,12 @@ static const struct sock_filter preauth_
- #ifdef __NR_time /* not defined on EABI ARM */
- SC_ALLOW(time),
- #endif
-+#ifdef SSH_AUDIT_EVENTS
-+ SC_ALLOW(getuid),
-+#ifdef __NR_getuid32 /* not defined on x86_64 */
-+ SC_ALLOW(getuid32),
-+#endif
-+#endif
- SC_ALLOW(read),
- SC_ALLOW(write),
- SC_ALLOW(close),
diff --git a/openssh/patches/openssh-6.7p1-seccomp-aarch64.patch \
b/openssh/patches/openssh-6.7p1-seccomp-aarch64.patch deleted file mode 100644
index 4285bd9..0000000
--- a/openssh/patches/openssh-6.7p1-seccomp-aarch64.patch
+++ /dev/null
@@ -1,66 +0,0 @@
-diff --git a/configure.ac b/configure.ac
-index 4065d0e..d59ad44 100644
---- a/configure.ac
-+++ b/configure.ac
-@@ -764,9 +764,12 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
- i*86-*)
- seccomp_audit_arch=AUDIT_ARCH_I386
- ;;
-- arm*-*)
-+ aarch64*-*)
-+ seccomp_audit_arch=AUDIT_ARCH_AARCH64
-+ ;;
-+ arm*-*)
- seccomp_audit_arch=AUDIT_ARCH_ARM
-- ;;
-+ ;;
- esac
- if test "x$seccomp_audit_arch" != "x" ; then
- AC_MSG_RESULT(["$seccomp_audit_arch"])
-diff --git a/sandbox-seccomp-filter.c b/sandbox-seccomp-filter.c
-index 095b04a..52f6810 100644
---- a/sandbox-seccomp-filter.c
-+++ b/sandbox-seccomp-filter.c
-@@ -90,8 +90,20 @@ static const struct sock_filter preauth_insns[] = {
- /* Load the syscall number for checking. */
- BPF_STMT(BPF_LD+BPF_W+BPF_ABS,
- offsetof(struct seccomp_data, nr)),
-- SC_DENY(open, EACCES),
-- SC_DENY(stat, EACCES),
-+ SC_DENY(openat, EACCES),
-+#ifdef __NR_open
-+ SC_DENY(open, EACCES), /* not on AArch64 */
-+#endif
-+#ifdef __NR_fstat
-+ SC_DENY(fstat, EACCES), /* x86_64, Aarch64 */
-+#endif
-+#if defined(__NR_stat64) && defined(__NR_fstat64)
-+ SC_DENY(stat64, EACCES), /* ix86, arm */
-+ SC_DENY(fstat64, EACCES),
-+#endif
-+#ifdef __NR_newfstatat
-+ SC_DENY(newfstatat, EACCES), /* Aarch64 */
-+#endif
- SC_ALLOW(getpid),
- SC_ALLOW(gettimeofday),
- SC_ALLOW(clock_gettime),
-@@ -111,12 +123,19 @@ static const struct sock_filter preauth_insns[] = {
- SC_ALLOW(shutdown),
- #endif
- SC_ALLOW(brk),
-+#ifdef __NR_poll /* not on AArch64 */
- SC_ALLOW(poll),
-+#endif
- #ifdef __NR__newselect
- SC_ALLOW(_newselect),
- #else
-+#ifdef __NR_select /* not on AArch64 */
- SC_ALLOW(select),
- #endif
-+#ifdef __NR_pselect6 /* AArch64 */
-+ SC_ALLOW(pselect6),
-+#endif
-+#endif
- SC_ALLOW(madvise),
- #ifdef __NR_mmap2 /* EABI ARM only has mmap2() */
- SC_ALLOW(mmap2),
--
2.7.4
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