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From 82e299e970461c153a036bb1fbc84e808f926e12 Mon Sep 17 00:00:00 2001
From: Simo Sorce <simo@redhat.com>
Date: Tue, 5 May 2020 14:06:57 -0400
Subject: [PATCH] Add basic test infrastructure
First test is for SASL/GSSAPI
Backport of upstream commit id:
18ff41d5d18f61c2ded7235dad1d9618aa84784b
Signed-off-by: Simo Sorce <simo@redhat.com>
---
Makefile.am | 2 +-
configure.ac | 3 +-
tests/Makefile.am | 79 +++++++++++++++++++
tests/runtests.py | 179 +++++++++++++++++++++++++++++++++++++++++++
tests/t_common.c | 68 ++++++++++++++++
tests/t_common.h | 15 ++++
tests/t_gssapi_cli.c | 95 +++++++++++++++++++++++
tests/t_gssapi_srv.c | 111 +++++++++++++++++++++++++++
8 files changed, 550 insertions(+), 2 deletions(-)
create mode 100644 tests/Makefile.am
create mode 100755 tests/runtests.py
create mode 100644 tests/t_common.c
create mode 100644 tests/t_common.h
create mode 100644 tests/t_gssapi_cli.c
create mode 100644 tests/t_gssapi_srv.c
diff --git a/Makefile.am b/Makefile.am
index 83dae6f..fc24509 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -70,7 +70,7 @@ else
INSTALLOSX =
endif
-SUBDIRS=include sasldb common lib plugins utils $(PWC) $(SAM) $(JAV) $(SAD)
+SUBDIRS=include sasldb common lib plugins utils $(PWC) $(SAM) $(JAV) $(SAD) tests
EXTRA_DIST=config doc docsrc win32 mac dlcompat-20010505 NTMakefile \
INSTALL.TXT libsasl2.pc.in
diff --git a/configure.ac b/configure.ac
index ca5936a..c1d2182 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1575,7 +1575,8 @@ java/javax/Makefile
java/javax/security/Makefile
java/javax/security/auth/Makefile
java/javax/security/auth/callback/Makefile
-pwcheck/Makefile)
+pwcheck/Makefile
+tests/Makefile)
AC_MSG_NOTICE([
diff --git a/tests/Makefile.am b/tests/Makefile.am
new file mode 100644
index 0000000..1edf010
--- /dev/null
+++ b/tests/Makefile.am
@@ -0,0 +1,79 @@
+# Makefile.am -- automake input for cyrus-sasl tests
+# Simo Sorce
+#
+################################################################
+# Copyright (c) 2000 Carnegie Mellon University. All rights reserved.
+#
+# 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.
+#
+# 3. The name "Carnegie Mellon University" must not be used to
+# endorse or promote products derived from this software without
+# prior written permission. For permission or any other legal
+# details, please contact
+# Office of Technology Transfer
+# Carnegie Mellon University
+# 5000 Forbes Avenue
+# Pittsburgh, PA 15213-3890
+# (412) 268-4387, fax: (412) 268-7395
+# tech-transfer@andrew.cmu.edu
+#
+# 4. Redistributions of any form whatsoever must retain the following
+# acknowledgment:
+# "This product includes software developed by Computing Services
+# at Carnegie Mellon University (http://www.cmu.edu/computing/)."
+#
+# CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
+# THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
+# FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+# AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+# OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
+################################################################
+
+AM_CPPFLAGS=-I$(top_srcdir)/include -DPLUGINDIR='"${top_srcdir}/plugins/.libs"'
+
+COMMON_LDADD = ../lib/libsasl2.la $(GSSAPIBASE_LIBS) $(GSSAPI_LIBS) $(LIB_SOCKET)
+
+t_gssapi_cli_SOURCES = \
+ t_common.c \
+ t_gssapi_cli.c
+
+t_gssapi_cli_LDADD = $(COMMON_LDADD)
+
+t_gssapi_srv_SOURCES = \
+ t_common.c \
+ t_gssapi_srv.c
+
+t_gssapi_srv_LDADD = $(COMMON_LDADD)
+
+check_PROGRAMS = \
+ t_gssapi_cli \
+ t_gssapi_srv \
+ $(NULL)
+
+noinst_PROGRAMS = $(check_PROGRAMS)
+
+EXTRA_DIST = \
+ runtests.py \
+ $(NULL)
+
+all: $(check_PROGRAMS)
+
+check:
+if MACOSX
+# skip Mac OSX for now
+else
+ $(srcdir)/runtests.py $(CHECKARGS)
+endif
diff --git a/tests/runtests.py b/tests/runtests.py
new file mode 100755
index 0000000..f645adf
--- /dev/null
+++ b/tests/runtests.py
@@ -0,0 +1,179 @@
+#!/usr/bin/python3
+
+import argparse
+import os
+import shutil
+import signal
+import subprocess
+import time
+from string import Template
+
+
+def setup_socket_wrappers(testdir):
+ """ Try to set up socket wrappers """
+ wrapdir = os.path.join(testdir, 'w')
+ os.makedirs(wrapdir)
+
+ wrappers = subprocess.Popen(['pkg-config', '--exists', 'socket_wrapper'])
+ wrappers.wait()
+ if wrappers.returncode != 0:
+ raise Exception('Socket Wrappers not available')
+
+ wrappers = subprocess.Popen(['pkg-config', '--exists', 'nss_wrapper'])
+ wrappers.wait()
+ if wrappers.returncode != 0:
+ raise Exception('NSS Wrappers not available')
+
+ hosts = os.path.join(wrapdir, 'hosts')
+ with open(hosts, 'w+') as conffile:
+ conffile.write('127.0.0.9 host.realm.test')
+
+ return {'LD_PRELOAD': 'libsocket_wrapper.so libnss_wrapper.so',
+ 'SOCKET_WRAPPER_DIR': wrapdir,
+ 'SOCKET_WRAPPER_DEFAULT_IFACE': '9',
+ 'NSS_WRAPPER_HOSTNAME': 'host.realm.test',
+ 'NSS_WRAPPER_HOSTS': hosts}
+
+
+KERBEROS_CONF = '''
+[libdefaults]
+ default_realm = REALM.TEST
+ dns_lookup_realm = false
+ dns_lookup_kdc = false
+ rdns = false
+ ticket_lifetime = 24h
+ forwardable = yes
+ default_ccache_name = FILE://${TESTDIR}/ccache
+ udp_preference_limit = 1
+
+[domain_realm]
+ .realm.test = REALM.TEST
+ realm.test = REALM.TEST
+
+[realms]
+ REALM.TEST = {
+ kdc = 127.0.0.9
+ admin_server = 127.0.0.9
+ acl_file = ${TESTDIR}/kadm.acl
+ dict_file = /usr/share/dict/words
+ admin_keytab = ${TESTDIR}/kadm.keytab
+ database_name = ${TESTDIR}/kdc.db
+ key_stash_file = ${TESTDIR}/kdc.stash
+ }
+
+[kdcdefaults]
+ kdc_ports = 88
+ kdc_tcp_ports = 88
+
+[logging]
+ kdc = FILE:${TESTDIR}/kdc.log
+ admin_server = FILE:${TESTDIR}/kadm.log
+ default = FILE:${TESTDIR}/krb5.log
+'''
+
+
+def setup_kdc(testdir, env):
+ """ Setup KDC and start process """
+ krbconf = os.path.join(testdir, 'krb.conf')
+ env['KRB5_CONFIG'] = krbconf
+
+ kenv = {'KRB5_KDC_PROFILE': krbconf,
+ 'PATH': '/sbin:/bin:/usr/sbin:/usr/bin'}
+ kenv.update(env)
+
+ # KDC/KRB5 CONFIG
+ templ = Template(KERBEROS_CONF)
+ text = templ.substitute({'TESTDIR': testdir})
+ with open(krbconf, 'w+') as conffile:
+ conffile.write(text)
+
+ testlog = os.path.join(testdir, 'kdc.log')
+ log = open(testlog, 'a')
+
+ subprocess.check_call([
+ "kdb5_util", "create",
+ "-r", "REALM.TEST", "-s", "-P", "password"
+ ], stdout=log, stderr=log, env=kenv, timeout=5)
+
+ kdc = subprocess.Popen(['krb5kdc', '-n'], env=kenv, preexec_fn=os.setsid)
+ time.sleep(5)
+
+ # Add a user and genrate a keytab
+ keytab = os.path.join(testdir, "user.keytab")
+ subprocess.check_call([
+ "kadmin.local", "-q",
+ "addprinc -randkey user"
+ ], stdout=log, stderr=log, env=kenv, timeout=5)
+
+ subprocess.check_call([
+ "kadmin.local", "-q",
+ "ktadd -k {} user".format(keytab)
+ ], stdout=log, stderr=log, env=kenv, timeout=5)
+ env['KRB5_CLIENT_KTNAME'] = keytab
+
+ # Add a service and genrate a keytab
+ keytab = os.path.join(testdir, "test.keytab")
+ subprocess.check_call([
+ "kadmin.local", "-q",
+ "addprinc -randkey test/host.realm.test"
+ ], stdout=log, stderr=log, env=kenv, timeout=5)
+
+ subprocess.check_call([
+ "kadmin.local", "-q",
+ "ktadd -k {} test/host.realm.test".format(keytab)
+ ], stdout=log, stderr=log, env=kenv, timeout=5)
+ env['KRB5_KTNAME'] = keytab
+
+ return kdc, env
+
+
+def gssapi_tests(testdir):
+ """ SASL/GSSAPI Tests """
+ env = setup_socket_wrappers(testdir)
+ kdc, kenv = setup_kdc(testdir, env)
+ #print("KDC: {}, ENV: {}".format(kdc, kenv))
+ kenv['KRB5_TRACE'] = os.path.join(testdir, 'trace.log')
+
+ try:
+ srv = subprocess.Popen(["../tests/t_gssapi_srv"],
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE, env=kenv)
+ srv.stdout.readline() # Wait for srv to say it is ready
+ cli = subprocess.Popen(["../tests/t_gssapi_cli"],
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE, env=kenv)
+ try:
+ cli.wait(timeout=5)
+ srv.wait(timeout=5)
+ except Exception as e:
+ print("Failed on {}".format(e));
+ cli.kill()
+ srv.kill()
+ if cli.returncode != 0 or srv.returncode != 0:
+ raise Exception("CLI ({}): {} --> SRV ({}): {}".format(
+ cli.returncode, cli.stderr.read().decode('utf-8'),
+ srv.returncode, srv.stderr.read().decode('utf-8')))
+ except Exception as e:
+ print("FAIL: {}".format(e))
+
+ print("PASS: CLI({}) SRV({})".format(
+ cli.stdout.read().decode('utf-8').strip(),
+ srv.stdout.read().decode('utf-8').strip()))
+
+ os.killpg(kdc.pid, signal.SIGTERM)
+
+
+if __name__ == "__main__":
+
+ P = argparse.ArgumentParser(description='Cyrus SASL Tests')
+ P.add_argument('--testdir', default=os.path.join(os.getcwd(), '.tests'),
+ help="Directory for running tests")
+ A = vars(P.parse_args())
+
+ T = A['testdir']
+
+ if os.path.exists(T):
+ shutil.rmtree(T)
+ os.makedirs(T)
+
+ gssapi_tests(T)
diff --git a/tests/t_common.c b/tests/t_common.c
new file mode 100644
index 0000000..7168b2f
--- /dev/null
+++ b/tests/t_common.c
@@ -0,0 +1,68 @@
+/* TBD, add (C) */
+
+#include <t_common.h>
+
+void s_error(const char *hdr, ssize_t ret, ssize_t len, int err)
+{
+ fprintf(stderr, "%s l:%ld/%ld [%d] %s",
+ hdr, ret, len, err, strerror(err));
+ exit(-1);
+}
+
+void send_string(int sd, const char *s, unsigned int l)
+{
+ ssize_t ret;
+
+fprintf(stderr, "s:%u ", l);
+fflush(stderr);
+
+ ret = send(sd, &l, sizeof(l), 0);
+ if (ret != sizeof(l)) s_error("send size", ret, sizeof(l), errno);
+
+ if (l == 0) return;
+
+ ret = send(sd, s, l, 0);
+ if (ret != l) s_error("send data", ret, l, errno);
+}
+
+void recv_string(int sd, char *buf, unsigned int *buflen)
+{
+ unsigned int l;
+ ssize_t ret;
+
+ ret = recv(sd, &l, sizeof(l), MSG_WAITALL);
+ if (ret != sizeof(l)) s_error("recv size", ret, sizeof(l), errno);
+
+ if (l == 0) {
+fprintf(stderr, "r:0 ");
+fflush(stderr);
+ *buflen = 0;
+ return;
+ }
+
+ if (*buflen < l) s_error("recv len", l, *buflen, E2BIG);
+
+ ret = recv(sd, buf, l, 0);
+ if (ret != l) s_error("recv data", ret, l, errno);
+
+fprintf(stderr, "r:%ld ", ret);
+fflush(stderr);
+ *buflen = ret;
+}
+
+void saslerr(int why, const char *what)
+{
+ fprintf(stderr, "%s: %s", what, sasl_errstring(why, NULL, NULL));
+}
+
+int getpath(void *context __attribute__((unused)), const char **path)
+{
+ if (! path) {
+ return SASL_BADPARAM;
+ }
+
+ *path = PLUGINDIR;
+ return SASL_OK;
+}
+
+
diff --git a/tests/t_common.h b/tests/t_common.h
new file mode 100644
index 0000000..4ee1976
--- /dev/null
+++ b/tests/t_common.h
@@ -0,0 +1,15 @@
+/* TBD, add (C) */
+
+#include "config.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <sys/socket.h>
+
+#include <sasl.h>
+
+void s_error(const char *hdr, ssize_t ret, ssize_t len, int err);
+void send_string(int sd, const char *s, unsigned int l);
+void recv_string(int sd, char *buf, unsigned int *buflen);
+void saslerr(int why, const char *what);
+int getpath(void *context __attribute__((unused)), const char **path);
diff --git a/tests/t_gssapi_cli.c b/tests/t_gssapi_cli.c
new file mode 100644
index 0000000..c833c05
--- /dev/null
+++ b/tests/t_gssapi_cli.c
@@ -0,0 +1,95 @@
+/* TBD, add (C) */
+
+#include "t_common.h"
+
+#include <stdlib.h>
+#include <stdarg.h>
+#include <ctype.h>
+#include <string.h>
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include <arpa/inet.h>
+#include <saslplug.h>
+
+static int setup_socket(void)
+{
+ struct sockaddr_in addr;
+ int sock, ret;
+
+ sock = socket(AF_INET, SOCK_STREAM, 0);
+ if (sock < 0) s_error("socket", 0, 0, errno);
+
+ addr.sin_family = AF_INET;
+ addr.sin_addr.s_addr = inet_addr("127.0.0.9");
+ addr.sin_port = htons(9000);
+
+ ret = connect(sock, (struct sockaddr *)&addr, sizeof(addr));
+ if (ret != 0) s_error("connect", 0, 0, errno);
+
+ return sock;
+}
+
+int main(int argc __attribute__((unused)), char *argv[] __attribute__((unused)))
+{
+ sasl_callback_t callbacks[2] = {};
+ char buf[8192];
+ const char *chosenmech;
+ sasl_conn_t *conn;
+ const char *data;
+ unsigned int len;
+ int sd;
+ int r;
+
+ /* initialize the sasl library */
+ callbacks[0].id = SASL_CB_GETPATH;
+ callbacks[0].proc = (sasl_callback_ft)&getpath;
+ callbacks[0].context = NULL;
+ callbacks[1].id = SASL_CB_LIST_END;
+ callbacks[1].proc = NULL;
+ callbacks[1].context = NULL;
+
+ r = sasl_client_init(callbacks);
+ if (r != SASL_OK) exit(-1);
+
+ r = sasl_client_new("test", "host.realm.test", NULL, NULL, NULL, 0, &conn);
+ if (r != SASL_OK) {
+ saslerr(r, "allocating connection state");
+ exit(-1);
+ }
+
+ r = sasl_client_start(conn, "GSSAPI", NULL, &data, &len, &chosenmech);
+ if (r != SASL_OK && r != SASL_CONTINUE) {
+ saslerr(r, "starting SASL negotiation");
+ printf("\n%s\n", sasl_errdetail(conn));
+ exit(-1);
+ }
+
+ sd = setup_socket();
+
+ while (r == SASL_CONTINUE) {
+ send_string(sd, data, len);
+ len = 8192;
+ recv_string(sd, buf, &len);
+
+ r = sasl_client_step(conn, buf, len, NULL, &data, &len);
+ if (r != SASL_OK && r != SASL_CONTINUE) {
+ saslerr(r, "performing SASL negotiation");
+ printf("\n%s\n", sasl_errdetail(conn));
+ exit(-1);
+ }
+ }
+
+ if (r != SASL_OK) exit(-1);
+
+ if (len > 0) {
+ send_string(sd, data, len);
+ }
+
+ fprintf(stdout, "DONE\n");
+ fflush(stdout);
+ return 0;
+}
+
diff --git a/tests/t_gssapi_srv.c b/tests/t_gssapi_srv.c
new file mode 100644
index 0000000..29f538d
--- /dev/null
+++ b/tests/t_gssapi_srv.c
@@ -0,0 +1,111 @@
+/* TBD, add (C) */
+
+#include "t_common.h"
+
+#include <stdlib.h>
+#include <stdarg.h>
+#include <ctype.h>
+#include <string.h>
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include <arpa/inet.h>
+#include <saslplug.h>
+
+static int setup_socket(void)
+{
+ struct sockaddr_in addr;
+ int sock, ret, sd;
+
+ sock = socket(AF_INET, SOCK_STREAM, 0);
+ if (sock < 0) s_error("socket", 0, 0, errno);
+
+ addr.sin_family = AF_INET;
+ addr.sin_addr.s_addr = inet_addr("127.0.0.9");
+ addr.sin_port = htons(9000);
+
+ ret = bind(sock, (struct sockaddr *)&addr, sizeof(addr));
+ if (ret != 0) s_error("bind", 0, 0, errno);
+
+ ret = listen(sock, 1);
+ if (ret != 0) s_error("listen", 0, 0, errno);
+
+ /* signal we are ready */
+ fprintf(stdout, "READY\n");
+ fflush(stdout);
+
+ /* block until the client connects */
+ sd = accept(sock, NULL, NULL);
+ if (sd < 0) s_error("accept", 0, 0, errno);
+
+ close(sock);
+ return sd;
+}
+
+int main(int argc __attribute__((unused)), char *argv[] __attribute__((unused)))
+{
+ sasl_callback_t callbacks[2] = {};
+ char buf[8192];
+ sasl_conn_t *conn;
+ const char *data;
+ unsigned int len;
+ int sd;
+ int r;
+
+ /* initialize the sasl library */
+ callbacks[0].id = SASL_CB_GETPATH;
+ callbacks[0].proc = (sasl_callback_ft)&getpath;
+ callbacks[0].context = NULL;
+ callbacks[1].id = SASL_CB_LIST_END;
+ callbacks[1].proc = NULL;
+ callbacks[1].context = NULL;
+
+ r = sasl_server_init(callbacks, "t_gssapi_srv");
+ if (r != SASL_OK) exit(-1);
+
+ r = sasl_server_new("test", "host.realm.test", NULL, NULL, NULL,
+ callbacks, 0, &conn);
+ if (r != SASL_OK) {
+ saslerr(r, "allocating connection state");
+ exit(-1);
+ }
+
+ sd = setup_socket();
+
+ len = 8192;
+ recv_string(sd, buf, &len);
+
+ r = sasl_server_start(conn, "GSSAPI", buf, len, &data, &len);
+ if (r != SASL_OK && r != SASL_CONTINUE) {
+ saslerr(r, "starting SASL negotiation");
+ printf("\n%s\n", sasl_errdetail(conn));
+ exit(-1);
+ }
+
+ while (r == SASL_CONTINUE) {
+ send_string(sd, data, len);
+ len = 8192;
+ recv_string(sd, buf, &len);
+
+ r = sasl_server_step(conn, buf, len, &data, &len);
+ if (r != SASL_OK && r != SASL_CONTINUE) {
+ saslerr(r, "performing SASL negotiation");
+ printf("\n%s\n", sasl_errdetail(conn));
+ exit(-1);
+ }
+
+ }
+
+ if (r != SASL_OK) exit(-1);
+
+ if (len > 0) {
+ send_string(sd, data, len);
+ }
+
+ fprintf(stdout, "DONE\n");
+ fflush(stdout);
+ return 0;
+}
+
--
2.18.2
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