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909e5eb8e7
openssh/wtmpdb.patch
Hans Petter Jansson 03fc1a6def Accepting request 1087770 from home:alarrosa:branches:network 
- Update to openssh 9.3p1
  * No changes for askpass, see main package changelog for
    details

- Update to openssh 9.3p1:
  = Security
  * ssh-add(1): when adding smartcard keys to ssh-agent(1) with the
   per-hop destination constraints (ssh-add -h ...) added in
   OpenSSH 8.9, a logic error prevented the constraints from being
   communicated to the agent. This resulted in the keys being added
   without constraints. The common cases of non-smartcard keys and
   keys without destination constraints are unaffected. This
   problem was reported by Luci Stanescu.
 * ssh(1): Portable OpenSSH provides an implementation of the
   getrrsetbyname(3) function if the standard library does not
   provide it, for use by the VerifyHostKeyDNS feature. A
   specifically crafted DNS response could cause this function to
   perform an out-of-bounds read of adjacent stack data, but this
   condition does not appear to be exploitable beyond denial-of-
   service to the ssh(1) client.
   The getrrsetbyname(3) replacement is only included if the
   system's standard library lacks this function and portable
   OpenSSH was not compiled with the ldns library (--with-ldns).
   getrrsetbyname(3) is only invoked if using VerifyHostKeyDNS to
   fetch SSHFP records. This problem was found by the Coverity
   static analyzer.
  = New features
  * ssh-keygen(1), ssh-keyscan(1): accept -Ohashalg=sha1|sha256
    when outputting SSHFP fingerprints to allow algorithm
    selection. bz3493

OBS-URL: https://build.opensuse.org/request/show/1087770
OBS-URL: https://build.opensuse.org/package/show/network/openssh?expand=0&rev=247
2023-05-22 19:32:26 +00:00

186 lines
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diff -ur openssh-8.9p1.old/configure.ac openssh-8.9p1/configure.ac
--- openssh-8.9p1.old/configure.ac 2022-02-23 12:31:11.000000000 +0100
+++ openssh-8.9p1/configure.ac 2023-04-17 14:52:21.499002203 +0200
@@ -1703,6 +1703,49 @@
fi ]
)
+# Check whether user wants wtmpdb support
+WTMPDB_MSG="no"
+AC_ARG_WITH([wtmpdb],
+ [ --with-wtmpdb[[=PATH]] Enable wtmpdb support for sshd],
+ [ if test "x$withval" != "xno" ; then
+ if test "x$withval" = "xyes" ; then
+ AC_PATH_TOOL([PKGCONFIG], [pkg-config], [no])
+ if test "x$PKGCONFIG" != "xno"; then
+ AC_MSG_CHECKING([if $PKGCONFIG knows about wtmpdb])
+ if "$PKGCONFIG" libwtmpdb; then
+ AC_MSG_RESULT([yes])
+ use_pkgconfig_for_libwtmpdb=yes
+ else
+ AC_MSG_RESULT([no])
+ fi
+ fi
+ else
+ CPPFLAGS="$CPPFLAGS -I${withval}/include"
+ if test -n "${rpath_opt}"; then
+ LDFLAGS="-L${withval}/lib ${rpath_opt}${withval}/lib ${LDFLAGS}"
+ else
+ LDFLAGS="-L${withval}/lib ${LDFLAGS}"
+ fi
+ fi
+ if test "x$use_pkgconfig_for_libwtmpdb" = "xyes"; then
+ LIBWTMPDB=`$PKGCONFIG --libs libwtmpdb`
+ CPPFLAGS="$CPPFLAGS `$PKGCONFIG --cflags libwtmpdb`"
+ else
+ LIBWTMPDB="-lwtmpdb"
+ fi
+ OTHERLIBS=`echo $LIBWTMPDB | sed 's/-lwtmpdb//'`
+ AC_CHECK_LIB([wtmpdb], [wtmpdb_login],
+ [ AC_DEFINE([USE_WTMPDB], [1], [Use libwtmpdb for sshd])
+ WTMPDB_MSG="yes"
+ AC_SUBST([LIBWTMPDB])
+ ],
+ [ AC_MSG_ERROR([libwtmpdb not found]) ],
+ [ $OTHERLIBS ]
+ )
+ fi ]
+)
+
+
AUDIT_MODULE=none
AC_ARG_WITH([audit],
[ --with-audit=module Enable audit support (modules=debug,bsm,linux)],
diff -ur openssh-8.9p1.old/loginrec.c openssh-8.9p1/loginrec.c
--- openssh-8.9p1.old/loginrec.c 2022-02-23 12:31:11.000000000 +0100
+++ openssh-8.9p1/loginrec.c 2023-04-18 10:05:04.311193333 +0200
@@ -187,6 +187,10 @@
# include <util.h>
#endif
+#ifdef USE_WTMPDB
+# include <wtmpdb.h>
+#endif
+
/**
** prototypes for helper functions in this file
**/
@@ -207,6 +211,9 @@
int wtmpx_write_entry(struct logininfo *li);
int lastlog_write_entry(struct logininfo *li);
int syslogin_write_entry(struct logininfo *li);
+#ifdef USE_WTMPDB
+int wtmpdb_write_entry(struct logininfo *li);
+#endif
int getlast_entry(struct logininfo *li);
int lastlog_get_entry(struct logininfo *li);
@@ -467,6 +474,9 @@
#ifdef USE_WTMPX
wtmpx_write_entry(li);
#endif
+#ifdef USE_WTMPDB
+ wtmpdb_write_entry(li);
+#endif
#ifdef CUSTOM_SYS_AUTH_RECORD_LOGIN
if (li->type == LTYPE_LOGIN &&
!sys_auth_record_login(li->username,li->hostname,li->line,
@@ -1409,6 +1419,64 @@
}
#endif /* USE_WTMPX */
+#ifdef USE_WTMPDB
+static int
+wtmpdb_perform_login(struct logininfo *li)
+{
+ uint64_t login_time = li->tv_sec * ((uint64_t) 1000000ULL) + li->tv_usec;
+ const char *tty;
+
+ if (strncmp(li->line, "/dev/", 5) == 0)
+ tty = &(li->line[5]);
+ else
+ tty = li->line;
+
+ li->wtmpdb_id = wtmpdb_login(NULL, USER_PROCESS, li->username,
+ login_time, tty, li->hostname, 0, 0);
+ if (li->wtmpdb_id < 0)
+ return (0);
+
+ return (1);
+}
+
+
+static int
+wtmpdb_perform_logout(struct logininfo *li)
+{
+ uint64_t logout_time = li->tv_sec * ((uint64_t) 1000000ULL) + li->tv_usec;
+
+ if (li->wtmpdb_id == 0) {
+ const char *tty;
+
+ if (strncmp(li->line, "/dev/", 5) == 0)
+ tty = &(li->line[5]);
+ else
+ tty = li->line;
+
+ li->wtmpdb_id = wtmpdb_get_id(NULL, tty, NULL);
+ }
+ wtmpdb_logout(NULL, li->wtmpdb_id, logout_time, NULL);
+
+ return (1);
+}
+
+
+int
+wtmpdb_write_entry(struct logininfo *li)
+{
+ switch(li->type) {
+ case LTYPE_LOGIN:
+ return (wtmpdb_perform_login(li));
+ case LTYPE_LOGOUT:
+ return (wtmpdb_perform_logout(li));
+ default:
+ logit("%s: invalid type field", __func__);
+ return (0);
+ }
+}
+#endif
+
+
/**
** Low-level libutil login() functions
**/
diff -ur openssh-8.9p1.old/loginrec.h openssh-8.9p1/loginrec.h
--- openssh-8.9p1.old/loginrec.h 2022-02-23 12:31:11.000000000 +0100
+++ openssh-8.9p1/loginrec.h 2023-04-17 14:58:20.808850750 +0200
@@ -79,6 +79,9 @@
unsigned int tv_sec;
unsigned int tv_usec;
union login_netinfo hostaddr; /* caller's host address(es) */
+#ifdef USE_WTMPDB
+ int64_t wtmpdb_id; /* ID for wtmpdb_logout */
+#endif
}; /* struct logininfo */
/*
diff -ur openssh-8.9p1.old/Makefile.in openssh-8.9p1/Makefile.in
--- openssh-8.9p1.old/Makefile.in 2022-02-23 12:31:11.000000000 +0100
+++ openssh-8.9p1/Makefile.in 2023-04-17 14:44:32.156538001 +0200
@@ -55,6 +55,7 @@
SSHDLIBS=@SSHDLIBS@
LIBEDIT=@LIBEDIT@
LIBFIDO2=@LIBFIDO2@
+LIBWTMPDB=@LIBWTMPDB@
AR=@AR@
AWK=@AWK@
RANLIB=@RANLIB@
@@ -212,7 +213,7 @@
$(LD) -o $@ $(SSHOBJS) $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS) $(GSSLIBS) $(CHANNELLIBS)
sshd$(EXEEXT): libssh.a $(LIBCOMPAT) $(SSHDOBJS)
- $(LD) -o $@ $(SSHDOBJS) $(LDFLAGS) -lssh -lopenbsd-compat $(SSHDLIBS) $(LIBS) $(GSSLIBS) $(K5LIBS) $(CHANNELLIBS)
+ $(LD) -o $@ $(SSHDOBJS) $(LDFLAGS) -lssh -lopenbsd-compat $(SSHDLIBS) $(LIBS) $(GSSLIBS) $(K5LIBS) $(CHANNELLIBS) $(LIBWTMPDB)
scp$(EXEEXT): $(LIBCOMPAT) libssh.a $(SCP_OBJS)
$(LD) -o $@ $(SCP_OBJS) $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
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