File wtmpdb.patch of Package openssh.34681

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File wtmpdb.patch of Package openssh.34681

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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