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-rw-r--r--usr/src/lib/libsmartsshd/Makefile48
-rw-r--r--usr/src/lib/libsmartsshd/Makefile.com46
-rw-r--r--usr/src/lib/libsmartsshd/amd64/Makefile32
-rw-r--r--usr/src/lib/libsmartsshd/common/llib-lsmartsshd32
-rw-r--r--usr/src/lib/libsmartsshd/common/mapfile-vers48
-rw-r--r--usr/src/lib/libsmartsshd/common/sshd-plugin.c193
-rw-r--r--usr/src/lib/libsmartsshd/i386/Makefile31
7 files changed, 430 insertions, 0 deletions
diff --git a/usr/src/lib/libsmartsshd/Makefile b/usr/src/lib/libsmartsshd/Makefile
new file mode 100644
index 0000000000..50d9545ef1
--- /dev/null
+++ b/usr/src/lib/libsmartsshd/Makefile
@@ -0,0 +1,48 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2011 Joyent, Inc. All rights reserved.
+# Use is subject to license terms.
+#
+
+include ../Makefile.lib
+
+SUBDIRS= $(MACH)
+$(BUILD64)SUBDIRS += $(MACH64)
+
+all := TARGET = all
+clean := TARGET = clean
+clobber := TARGET = clobber
+install := TARGET = install
+lint := TARGET = lint
+
+.KEEP_STATE:
+
+all clean clobber install lint: $(SUBDIRS)
+
+$(SUBDIRS): FRC
+ @cd $@; pwd; $(MAKE) $(TARGET)
+
+_msg:
+
+FRC:
+
+include ../Makefile.targ
diff --git a/usr/src/lib/libsmartsshd/Makefile.com b/usr/src/lib/libsmartsshd/Makefile.com
new file mode 100644
index 0000000000..dc75c96925
--- /dev/null
+++ b/usr/src/lib/libsmartsshd/Makefile.com
@@ -0,0 +1,46 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2020 Joyent, Inc.
+#
+
+LIBRARY= libsmartsshd.a
+VERS= .1
+OBJECTS= sshd-plugin.o
+
+include ../../Makefile.lib
+include ../../Makefile.rootfs
+
+SRCDIR = ../common
+SRCS = $(OBJECTS:%.o=$(SRCDIR)/%.c)
+
+CPPFLAGS += -I$(SRCDIR) -D_REENTRANT -D_FILE_OFFSET_BITS=64
+LIBS = $(DYNLIB) $(LINTLIB)
+LDLIBS += -lc -lmd
+
+$(LINTLIB) := SRCS= $(SRCDIR)/$(LINTSRC)
+
+.KEEP_STATE:
+
+all: $(LIBS)
+
+lint: lintcheck
+
+include ../../Makefile.targ
diff --git a/usr/src/lib/libsmartsshd/amd64/Makefile b/usr/src/lib/libsmartsshd/amd64/Makefile
new file mode 100644
index 0000000000..31be0ef7e6
--- /dev/null
+++ b/usr/src/lib/libsmartsshd/amd64/Makefile
@@ -0,0 +1,32 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License"). You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2011 Joyent, Inc. All rights reserved.
+# Use is subject to license terms.
+#
+# ident "%Z%%M% %I% %E% SMI"
+#
+
+include ../Makefile.com
+include ../../Makefile.lib.64
+
+install: all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
diff --git a/usr/src/lib/libsmartsshd/common/llib-lsmartsshd b/usr/src/lib/libsmartsshd/common/llib-lsmartsshd
new file mode 100644
index 0000000000..ace7017d41
--- /dev/null
+++ b/usr/src/lib/libsmartsshd/common/llib-lsmartsshd
@@ -0,0 +1,32 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License"). You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*LINTLIBRARY*/
+/*PROTOLIB1*/
+/*
+ *
+ * Copyright 2011 Joyent, Inc. All rights reserved.
+ * Use is subject to license terms.
+ *
+ */
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
diff --git a/usr/src/lib/libsmartsshd/common/mapfile-vers b/usr/src/lib/libsmartsshd/common/mapfile-vers
new file mode 100644
index 0000000000..c3c6fe4946
--- /dev/null
+++ b/usr/src/lib/libsmartsshd/common/mapfile-vers
@@ -0,0 +1,48 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+# Copyright 2016 Joyent, Inc.
+#
+
+#
+# MAPFILE HEADER START
+#
+# WARNING: STOP NOW. DO NOT MODIFY THIS FILE.
+# Object versioning must comply with the rules detailed in
+#
+# usr/src/lib/README.mapfiles
+#
+# You should not be making modifications here until you've read the most current
+# copy of that file. If you need help, contact a gatekeeper for guidance.
+#
+# MAPFILE HEADER END
+#
+
+$mapfile_version 2
+
+SYMBOL_VERSION SUNWprivate_1.1 {
+ global:
+ sshd_user_rsa_key_allowed;
+ sshd_user_dsa_key_allowed;
+ sshd_user_ecdsa_key_allowed;
+ sshd_user_key_allowed;
+ local:
+ *;
+};
diff --git a/usr/src/lib/libsmartsshd/common/sshd-plugin.c b/usr/src/lib/libsmartsshd/common/sshd-plugin.c
new file mode 100644
index 0000000000..a6463cea12
--- /dev/null
+++ b/usr/src/lib/libsmartsshd/common/sshd-plugin.c
@@ -0,0 +1,193 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2016 Joyent, Inc.
+ */
+
+#include <alloca.h>
+#include <door.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <pwd.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <openssl/rsa.h>
+
+#include <md5.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define LOG_OOM(SZ) (void) fprintf(stderr, "Cannot alloca %d bytes\n", SZ)
+
+static const char *DOOR = "/var/tmp/._joyent_sshd_key_is_authorized";
+static const char *REQ_FMT_STR = "%s %d %s"; /* name uid fp */
+static const int RETURN_SZ = 2;
+
+static const int MAX_ATTEMPTS = 2;
+static const int SLEEP_PERIOD = 1;
+
+static int
+sshd_allowed_in_capi(struct passwd *pw, const char *fp)
+{
+ int allowed = 0;
+ int fd = -1;
+ int blen = 0;
+ int attempts = 0;
+ char *buf = NULL;
+ door_arg_t door_args = {0};
+
+ if (pw == NULL || fp == NULL)
+ return (0);
+
+ blen = snprintf(NULL, 0, REQ_FMT_STR, pw->pw_name, pw->pw_uid, fp) + 1;
+
+ buf = (char *)alloca(blen);
+ if (buf == NULL) {
+ LOG_OOM(blen);
+ return (0);
+ }
+
+ (void) snprintf(buf, blen, REQ_FMT_STR, pw->pw_name, pw->pw_uid, fp);
+ door_args.data_ptr = buf;
+ door_args.data_size = blen;
+
+ door_args.rsize = RETURN_SZ;
+ door_args.rbuf = alloca(RETURN_SZ);
+ if (door_args.rbuf == NULL) {
+ LOG_OOM(RETURN_SZ);
+ return (0);
+ }
+ (void) memset(door_args.rbuf, 0, RETURN_SZ);
+
+ do {
+ fd = open(DOOR, O_RDWR);
+ if (fd < 0) {
+ if (errno == ENOENT) {
+ /*
+ * On systems which are not running SmartLogin,
+ * such as vanilla SmartOS, the door will be
+ * completely absent. The sleep/retry loop is
+ * skipped in this case to keep the login
+ * process more lively.
+ */
+ perror("smartplugin: door does not exist");
+ return (0);
+ }
+ perror("smartplugin: open (of door FD) failed");
+ } else if (door_call(fd, &door_args) < 0) {
+ perror("smartplugin: door_call failed");
+ } else {
+ allowed = atoi(door_args.rbuf);
+ if (door_args.rsize > RETURN_SZ) {
+ /*
+ * Given what we know about the SmartLogin
+ * daemon on the other end of the door, this
+ * should never occur. An assert might be
+ * preferable, but that is avoided since the
+ * error can be handled.
+ */
+ (void) munmap(door_args.rbuf, door_args.rsize);
+ }
+ return (allowed);
+ }
+ if (++attempts < MAX_ATTEMPTS) {
+ (void) sleep(SLEEP_PERIOD);
+ }
+ } while (attempts < MAX_ATTEMPTS);
+
+ return (0);
+}
+
+static int
+tohexstr(uchar_t *bytes, size_t blen, char *hexstr, size_t hexlen)
+{
+ size_t i, j;
+ const char hexlist[] = "0123456789abcdef";
+
+ if (hexlen < 1)
+ return (-1);
+ for (i = 0, j = 0; i < blen; i++) {
+ /*
+ * We need 3 bytes output per input byte -- the third byte is
+ * either for a : or the \0 at the end.
+ */
+ if (hexlen < (j + 3))
+ return (-1);
+ hexstr[j++] = hexlist[(bytes[i] >> 4) & 0xf];
+ hexstr[j++] = hexlist[bytes[i] & 0xf];
+ if (i + 1 < blen)
+ hexstr[j++] = ':';
+ }
+ hexstr[j] = '\0';
+ return (0);
+}
+
+/* ARGSUSED */
+int
+sshd_user_key_allowed(struct passwd *pw, const char *type,
+ const unsigned char *buf, size_t size)
+{
+ unsigned char md5buf[MD5_DIGEST_LENGTH];
+ /*
+ * Will contain the fingerprint MD5 in colonhex format. Need 3 bytes
+ * per MD5 byte: two for hex digits, plus one for either ':' or '\0'.
+ */
+ char hex[MD5_DIGEST_LENGTH * 3];
+
+ md5_calc(md5buf, buf, size);
+ if (tohexstr(md5buf, sizeof (md5buf), hex, sizeof (hex)) != 0)
+ return (0);
+ return (sshd_allowed_in_capi(pw, hex));
+}
+
+/* ARGSUSED */
+int
+sshd_user_rsa_key_allowed(struct passwd *pw, RSA *key, const char *fp)
+{
+ return (sshd_allowed_in_capi(pw, fp));
+}
+
+/* ARGSUSED */
+int
+sshd_user_dsa_key_allowed(struct passwd *pw, DSA *key, const char *fp)
+{
+ return (sshd_allowed_in_capi(pw, fp));
+}
+
+/* ARGSUSED */
+int
+sshd_user_ecdsa_key_allowed(struct passwd *pw, DSA *key, const char *fp)
+{
+ return (sshd_allowed_in_capi(pw, fp));
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/usr/src/lib/libsmartsshd/i386/Makefile b/usr/src/lib/libsmartsshd/i386/Makefile
new file mode 100644
index 0000000000..2bfe8001d9
--- /dev/null
+++ b/usr/src/lib/libsmartsshd/i386/Makefile
@@ -0,0 +1,31 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License"). You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2011 Joyent, Inc. All rights reserved.
+# Use is subject to license terms.
+#
+# ident "%Z%%M% %I% %E% SMI"
+#
+
+include ../Makefile.com
+
+install: all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
generated by cgit v1.2.3 (git 2.39.1) at 2025-06-13 16:33:04 +0000