diff options
Diffstat (limited to 'external/meta-security/recipes-mac/smack')
18 files changed, 919 insertions, 0 deletions
diff --git a/external/meta-security/recipes-mac/smack/mmap-smack-test/mmap.c b/external/meta-security/recipes-mac/smack/mmap-smack-test/mmap.c new file mode 100644 index 00000000..f358d27b --- /dev/null +++ b/external/meta-security/recipes-mac/smack/mmap-smack-test/mmap.c @@ -0,0 +1,7 @@ +#include <stdio.h> + +int main(int argc, char **argv) +{ + printf("Original test program removed while investigating its license.\n"); + return 1; +} diff --git a/external/meta-security/recipes-mac/smack/mmap-smack-test_1.0.bb b/external/meta-security/recipes-mac/smack/mmap-smack-test_1.0.bb new file mode 100644 index 00000000..9d11509d --- /dev/null +++ b/external/meta-security/recipes-mac/smack/mmap-smack-test_1.0.bb @@ -0,0 +1,16 @@ +SUMMARY = "Mmap binary used to test smack mmap attribute" +DESCRIPTION = "Mmap binary used to test smack mmap attribute" +LICENSE = "MIT" +LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302" + +SRC_URI = "file://mmap.c" + +S = "${WORKDIR}" +do_compile() { + ${CC} mmap.c ${LDFLAGS} -o mmap_test +} + +do_install() { + install -d ${D}${bindir} + install -m 0755 mmap_test ${D}${bindir} +} diff --git a/external/meta-security/recipes-mac/smack/smack-test/notroot.py b/external/meta-security/recipes-mac/smack/smack-test/notroot.py new file mode 100644 index 00000000..f0eb0b5b --- /dev/null +++ b/external/meta-security/recipes-mac/smack/smack-test/notroot.py @@ -0,0 +1,33 @@ +#!/usr/bin/env python +# +# Script used for running executables with custom labels, as well as custom uid/gid +# Process label is changed by writing to /proc/self/attr/curent +# +# Script expects user id and group id to exist, and be the same. +# +# From adduser manual: +# """By default, each user in Debian GNU/Linux is given a corresponding group +# with the same name. """ +# +# Usage: root@desk:~# python notroot.py <uid> <label> <full_path_to_executable> [arguments ..] +# eg: python notroot.py 1000 User::Label /bin/ping -c 3 192.168.1.1 +# +# Author: Alexandru Cornea <alexandru.cornea@intel.com> +import os +import sys + +try: + uid = int(sys.argv[1]) + sys.argv.pop(1) + label = sys.argv[1] + sys.argv.pop(1) + open("/proc/self/attr/current", "w").write(label) + path=sys.argv[1] + sys.argv.pop(0) + os.setgid(uid) + os.setuid(uid) + os.execv(path,sys.argv) + +except Exception,e: + print e.message + sys.exit(1) diff --git a/external/meta-security/recipes-mac/smack/smack-test/smack_test_file_access.sh b/external/meta-security/recipes-mac/smack/smack-test/smack_test_file_access.sh new file mode 100644 index 00000000..5a0ce84f --- /dev/null +++ b/external/meta-security/recipes-mac/smack/smack-test/smack_test_file_access.sh @@ -0,0 +1,54 @@ +#!/bin/sh + +SMACK_PATH=`grep smack /proc/mounts | awk '{print $2}' ` +RC=0 +TMP="/tmp" +test_file=$TMP/smack_test_access_file +CAT=`which cat` +ECHO=`which echo` +uid=1000 +initial_label=`cat /proc/self/attr/current` +python $TMP/notroot.py $uid "TheOther" $ECHO 'TEST' > $test_file +chsmack -a "TheOther" $test_file + +# 12345678901234567890123456789012345678901234567890123456 +delrule="TheOne TheOther -----" +rule_ro="TheOne TheOther r----" + +# Remove pre-existent rules for "TheOne TheOther <access>" +echo -n "$delrule" > $SMACK_PATH/load +python $TMP/notroot.py $uid "TheOne" $CAT $test_file 2>&1 1>/dev/null | grep -q "Permission denied" || RC=$? +if [ $RC -ne 0 ]; then + echo "Process with different label than the test file and no read access on it can read it" + exit $RC +fi + +# adding read access +echo -n "$rule_ro" > $SMACK_PATH/load +python $TMP/notroot.py $uid "TheOne" $CAT $test_file | grep -q "TEST" || RC=$? +if [ $RC -ne 0 ]; then + echo "Process with different label than the test file but with read access on it cannot read it" + exit $RC +fi + +# Remove pre-existent rules for "TheOne TheOther <access>" +echo -n "$delrule" > $SMACK_PATH/load +# changing label of test file to * +# according to SMACK documentation, read access on a * object is always permitted +chsmack -a '*' $test_file +python $TMP/notroot.py $uid "TheOne" $CAT $test_file | grep -q "TEST" || RC=$? +if [ $RC -ne 0 ]; then + echo "Process cannot read file with * label" + exit $RC +fi + +# changing subject label to * +# according to SMACK documentation, every access requested by a star labeled subject is rejected +TOUCH=`which touch` +python $TMP/notroot.py $uid '*' $TOUCH $TMP/test_file_2 +ls -la $TMP/test_file_2 2>&1 | grep -q 'No such file or directory' || RC=$? +if [ $RC -ne 0 ];then + echo "Process with label '*' should not have any access" + exit $RC +fi +exit 0 diff --git a/external/meta-security/recipes-mac/smack/smack-test/test_privileged_change_self_label.sh b/external/meta-security/recipes-mac/smack/smack-test/test_privileged_change_self_label.sh new file mode 100644 index 00000000..26d9e9d2 --- /dev/null +++ b/external/meta-security/recipes-mac/smack/smack-test/test_privileged_change_self_label.sh @@ -0,0 +1,18 @@ +#!/bin/sh + +initial_label=`cat /proc/self/attr/current 2>/dev/null` +modified_label="test_label" + +echo "$modified_label" >/proc/self/attr/current 2>/dev/null + +new_label=`cat /proc/self/attr/current 2>/dev/null` + +if [ "$new_label" != "$modified_label" ]; then + # restore proper label + echo $initial_label >/proc/self/attr/current + echo "Privileged process could not change its label" + exit 1 +fi + +echo "$initial_label" >/proc/self/attr/current 2>/dev/null +exit 0
\ No newline at end of file diff --git a/external/meta-security/recipes-mac/smack/smack-test/test_smack_onlycap.sh b/external/meta-security/recipes-mac/smack/smack-test/test_smack_onlycap.sh new file mode 100644 index 00000000..1c4a93ab --- /dev/null +++ b/external/meta-security/recipes-mac/smack/smack-test/test_smack_onlycap.sh @@ -0,0 +1,27 @@ +#!/bin/sh +RC=0 +SMACK_PATH=`grep smack /proc/mounts | awk '{print $2}'` +test_label="test_label" +onlycap_initial=`cat $SMACK_PATH/onlycap` +smack_initial=`cat /proc/self/attr/current` + +# need to set out label to be the same as onlycap, otherwise we lose our smack privileges +# even if we are root +echo "$test_label" > /proc/self/attr/current + +echo "$test_label" > $SMACK_PATH/onlycap || RC=$? +if [ $RC -ne 0 ]; then + echo "Onlycap label could not be set" + return $RC +fi + +if [ `cat $SMACK_PATH/onlycap` != "$test_label" ]; then + echo "Onlycap label was not set correctly." + return 1 +fi + +# resetting original onlycap label +echo "$onlycap_initial" > $SMACK_PATH/onlycap 2>/dev/null + +# resetting our initial's process label +echo "$smack_initial" > /proc/self/attr/current diff --git a/external/meta-security/recipes-mac/smack/smack-test_1.0.bb b/external/meta-security/recipes-mac/smack/smack-test_1.0.bb new file mode 100644 index 00000000..d5de6076 --- /dev/null +++ b/external/meta-security/recipes-mac/smack/smack-test_1.0.bb @@ -0,0 +1,25 @@ +SUMMARY = "Smack test scripts" +DESCRIPTION = "Smack scripts" +LICENSE = "MIT" +LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302" + +SRC_URI = " \ + file://notroot.py \ + file://smack_test_file_access.sh \ + file://test_privileged_change_self_label.sh \ + file://test_smack_onlycap.sh \ +" + +S = "${WORKDIR}" + +inherit features_check + +REQUIRED_DISTRO_FEATURES = "smack" + +do_install() { + install -d ${D}${sbindir} + install -m 0755 notroot.py ${D}${sbindir} + install -m 0755 *.sh ${D}${sbindir} +} + +RDEPENDS_${PN} = "smack python mmap-smack-test tcp-smack-test udp-smack-test" diff --git a/external/meta-security/recipes-mac/smack/smack/run-ptest b/external/meta-security/recipes-mac/smack/smack/run-ptest new file mode 100644 index 00000000..049a9b47 --- /dev/null +++ b/external/meta-security/recipes-mac/smack/smack/run-ptest @@ -0,0 +1,3 @@ +#!/bin/sh +./tests/make_policies.bash ./tests/generator +./tests/make_policies.bash ./tests/generator labels diff --git a/external/meta-security/recipes-mac/smack/smack/smack_generator_make_fixup.patch b/external/meta-security/recipes-mac/smack/smack/smack_generator_make_fixup.patch new file mode 100644 index 00000000..4d677e75 --- /dev/null +++ b/external/meta-security/recipes-mac/smack/smack/smack_generator_make_fixup.patch @@ -0,0 +1,18 @@ +Upstream-Status: Pending + +Signed-off-by: Armin Kuster <akuster808@gmail.com> + + +Index: git/tests/Makefile +=================================================================== +--- git.orig/tests/Makefile ++++ git/tests/Makefile +@@ -4,7 +4,7 @@ clean: + rm -rf ./out ./generator + + generator: generator.c +- gcc -Wall -O3 generator.c -o ./generator ++ ${CC} ${LDFLAGS} generator.c -o ./generator + + policies: ./generator ./make_policies.bash + ./make_policies.bash ./generator diff --git a/external/meta-security/recipes-mac/smack/smack_1.3.1.bb b/external/meta-security/recipes-mac/smack/smack_1.3.1.bb new file mode 100644 index 00000000..b1ea4e9f --- /dev/null +++ b/external/meta-security/recipes-mac/smack/smack_1.3.1.bb @@ -0,0 +1,59 @@ +DESCRIPTION = "Selection of tools for developers working with Smack" +HOMEPAGE = "https://github.com/smack-team/smack" +SECTION = "Security/Access Control" +LICENSE = "LGPL-2.1" + +LIC_FILES_CHKSUM = "file://COPYING;md5=4fbd65380cdd255951079008b364516c" + +SRCREV = "4a102c7584b39ce693995ffb65e0918a9df98dd8" +SRC_URI = " \ + git://github.com/smack-team/smack.git \ + file://smack_generator_make_fixup.patch \ + file://run-ptest" + +PV = "1.3.1" + +inherit autotools update-rc.d pkgconfig ptest +inherit ${@bb.utils.contains('VIRTUAL-RUNTIME_init_manager','systemd','systemd','', d)} +inherit features_check + +REQUIRED_DISTRO_FEATURES = "smack" + + +S = "${WORKDIR}/git" + +PACKAGECONFIG ??= "" +PACKAGECONFIG_append = " ${@bb.utils.contains('DISTRO_FEATURES', 'systemd', 'systemd', '', d)}" + +PACKAGECONFIG[systemd] = "--with-systemdsystemunitdir=${systemd_system_unitdir}, --without-systemdsystemunitdir, systemd" + +do_compile_append () { + oe_runmake -C ${S}/tests generator +} + +do_install_append () { + install -d ${D}${sysconfdir}/init.d + install -d ${D}${sysconfdir}/smack + install -d ${D}${sysconfdir}/smack/accesses.d + install -d ${D}${sysconfdir}/smack/cipso.d + install ${S}/init/smack.rc ${D}/${sysconfdir}/init.d/smack +} + +do_install_ptest () { + install -d ${D}${PTEST_PATH}/tests + install ${S}/tests/generator ${D}/${PTEST_PATH}/tests + install ${S}/tests/generate-rules.sh ${D}${PTEST_PATH}/tests + install ${S}/tests/make_policies.bash ${D}${PTEST_PATH}/tests +} + +INITSCRIPT_PACKAGES = "${PN}" +INITSCRIPT_NAME = "smack" +INITSCRIPT_PARAMS = "start 16 2 3 4 5 . stop 35 0 1 6 ." + +FILES_${PN} += "${sysconfdir}/init.d/smack" +FILES_${PN}-ptest += "generator" + +RDEPENDS_${PN} += "coreutils python3-core" +RDEPENDS_${PN}-ptest += "make bash bc" + +BBCLASSEXTEND = "native" diff --git a/external/meta-security/recipes-mac/smack/tcp-smack-test/tcp_client.c b/external/meta-security/recipes-mac/smack/tcp-smack-test/tcp_client.c new file mode 100644 index 00000000..185f9738 --- /dev/null +++ b/external/meta-security/recipes-mac/smack/tcp-smack-test/tcp_client.c @@ -0,0 +1,111 @@ +// (C) Copyright 2015 Intel Corporation
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+#include <stdio.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <netinet/in.h>
+#include <unistd.h>
+#include <netdb.h>
+#include <string.h>
+#include <sys/xattr.h>
+
+int main(int argc, char* argv[])
+{
+
+ int sock;
+ char message[255] = "hello";
+ struct sockaddr_in server_addr;
+ char* label_in;
+ char* label_out;
+ char* attr_out = "security.SMACK64IPOUT";
+ char* attr_in = "security.SMACK64IPIN";
+ char out[256];
+ int port;
+
+ struct timeval timeout;
+ timeout.tv_sec = 15;
+ timeout.tv_usec = 0;
+
+ struct hostent* host = gethostbyname("localhost");
+
+ if (argc != 4)
+ {
+ perror("Client: Arguments missing, please provide socket labels");
+ return 2;
+ }
+
+ port = atoi(argv[1]);
+ label_in = argv[2];
+ label_out = argv[3];
+
+ if((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+ {
+ perror("Client: Socket failure");
+ return 2;
+ }
+
+
+ if(fsetxattr(sock, attr_out, label_out, strlen(label_out), 0) < 0)
+ {
+ perror("Client: Unable to set attribute SMACK64IPOUT");
+ return 2;
+ }
+
+ if(fsetxattr(sock, attr_in, label_in, strlen(label_in), 0) < 0)
+ {
+ perror("Client: Unable to set attribute SMACK64IPIN");
+ return 2;
+ }
+
+ server_addr.sin_family = AF_INET;
+ server_addr.sin_port = htons(port);
+ bcopy((char*) host->h_addr, (char*) &server_addr.sin_addr.s_addr,host->h_length);
+ bzero(&(server_addr.sin_zero),8);
+
+ if(setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(timeout)) < 0)
+ {
+ perror("Client: Set timeout failed\n");
+ return 2;
+ }
+
+ if (connect(sock, (struct sockaddr *)&server_addr,sizeof(struct sockaddr)) == -1)
+ {
+ perror("Client: Connection failure");
+ close(sock);
+ return 1;
+ }
+
+
+ if(write(sock, message, strlen(message)) < 0)
+ {
+ perror("Client: Error sending data\n");
+ close(sock);
+ return 1;
+ }
+ close(sock);
+ return 0;
+}
+
+
+
+
+
+
diff --git a/external/meta-security/recipes-mac/smack/tcp-smack-test/tcp_server.c b/external/meta-security/recipes-mac/smack/tcp-smack-test/tcp_server.c new file mode 100644 index 00000000..9285dc69 --- /dev/null +++ b/external/meta-security/recipes-mac/smack/tcp-smack-test/tcp_server.c @@ -0,0 +1,118 @@ +// (C) Copyright 2015 Intel Corporation
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+#include <stdio.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <netinet/in.h>
+#include <unistd.h>
+#include <string.h>
+
+int main(int argc, char* argv[])
+{
+
+ int sock;
+ int clientsock;
+ char message[255];
+ socklen_t client_length;
+ struct sockaddr_in server_addr, client_addr;
+ char* label_in;
+ char* attr_in = "security.SMACK64IPIN";
+ int port;
+
+ struct timeval timeout;
+ timeout.tv_sec = 15;
+ timeout.tv_usec = 0;
+
+ if (argc != 3)
+ {
+ perror("Server: Argument missing please provide port and label for SMACK64IPIN");
+ return 2;
+ }
+
+ port = atoi(argv[1]);
+ label_in = argv[2];
+ bzero(message,255);
+
+
+ if((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+ {
+ perror("Server: Socket failure");
+ return 2;
+ }
+
+
+ if(fsetxattr(sock, attr_in, label_in, strlen(label_in),0) < 0)
+ {
+ perror("Server: Unable to set attribute ipin 2");
+ return 2;
+ }
+
+ server_addr.sin_family = AF_INET;
+ server_addr.sin_port = htons(port);
+ server_addr.sin_addr.s_addr = INADDR_ANY;
+ bzero(&(server_addr.sin_zero),8);
+
+ if(setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout)) < 0)
+ {
+ perror("Server: Set timeout failed\n");
+ return 2;
+ }
+
+ if(bind(sock, (struct sockaddr*) &server_addr, sizeof(server_addr)) < 0)
+ {
+ perror("Server: Bind failure ");
+ return 2;
+ }
+
+ listen(sock, 1);
+ client_length = sizeof(client_addr);
+
+ clientsock = accept(sock,(struct sockaddr*) &client_addr, &client_length);
+
+ if (clientsock < 0)
+ {
+ perror("Server: Connection failed");
+ close(sock);
+ return 1;
+ }
+
+
+ if(fsetxattr(clientsock, "security.SMACK64IPIN", label_in, strlen(label_in),0) < 0)
+ {
+ perror(" Server: Unable to set attribute ipin 2");
+ close(sock);
+ return 2;
+ }
+
+ if(read(clientsock, message, 254) < 0)
+ {
+ perror("Server: Error when reading from socket");
+ close(clientsock);
+ close(sock);
+ return 1;
+ }
+
+
+ close(clientsock);
+ close(sock);
+
+ return 0;
+}
diff --git a/external/meta-security/recipes-mac/smack/tcp-smack-test/test_smack_tcp_sockets.sh b/external/meta-security/recipes-mac/smack/tcp-smack-test/test_smack_tcp_sockets.sh new file mode 100644 index 00000000..ed18f237 --- /dev/null +++ b/external/meta-security/recipes-mac/smack/tcp-smack-test/test_smack_tcp_sockets.sh @@ -0,0 +1,108 @@ +#!/bin/sh +RC=0 +test_file=/tmp/smack_socket_tcp +SMACK_PATH=`grep smack /proc/mounts | awk '{print $2}' ` +# make sure no access is granted +# 12345678901234567890123456789012345678901234567890123456 +echo -n "label1 label2 -----" > $SMACK_PATH/load + +tcp_server=`which tcp_server` +if [ -z $tcp_server ]; then + if [ -f "/tmp/tcp_server" ]; then + tcp_server="/tmp/tcp_server" + else + echo "tcp_server binary not found" + exit 1 + fi +fi +tcp_client=`which tcp_client` +if [ -z $tcp_client ]; then + if [ -f "/tmp/tcp_client" ]; then + tcp_client="/tmp/tcp_client" + else + echo "tcp_client binary not found" + exit 1 + fi +fi + +# checking access for sockets with different labels +$tcp_server 50016 label1 &>/dev/null & +server_pid=$! +sleep 2 +$tcp_client 50016 label2 label1 &>/dev/null & +client_pid=$! + +wait $server_pid +server_rv=$? +wait $client_pid +client_rv=$? + +if [ $server_rv -eq 0 -o $client_rv -eq 0 ]; then + echo "Sockets with different labels should not communicate on tcp" + exit 1 +fi + +# granting access between different labels +# 12345678901234567890123456789012345678901234567890123456 +echo -n "label1 label2 rw---" > $SMACK_PATH/load +# checking access for sockets with different labels, but having a rule granting rw +$tcp_server 50017 label1 2>$test_file & +server_pid=$! +sleep 1 +$tcp_client 50017 label2 label1 2>$test_file & +client_pid=$! +wait $server_pid +server_rv=$? +wait $client_pid +client_rv=$? +if [ $server_rv -ne 0 -o $client_rv -ne 0 ]; then + echo "Sockets with different labels, but having rw access, should communicate on tcp" + exit 1 +fi + +# checking access for sockets with the same label +$tcp_server 50018 label1 2>$test_file & +server_pid=$! +sleep 1 +$tcp_client 50018 label1 label1 2>$test_file & +client_pid=$! +wait $server_pid +server_rv=$? +wait $client_pid +client_rv=$? +if [ $server_rv -ne 0 -o $client_rv -ne 0 ]; then + echo "Sockets with same labels should communicate on tcp" + exit 1 +fi + +# checking access on socket labeled star (*) +# should always be permitted +$tcp_server 50019 \* 2>$test_file & +server_pid=$! +sleep 1 +$tcp_client 50019 label1 label1 2>$test_file & +client_pid=$! +wait $server_pid +server_rv=$? +wait $client_pid +client_rv=$? +if [ $server_rv -ne 0 -o $client_rv -ne 0 ]; then + echo "Should have access on tcp socket labeled star (*)" + exit 1 +fi + +# checking access from socket labeled star (*) +# all access from subject star should be denied +$tcp_server 50020 label1 2>$test_file & +server_pid=$! +sleep 1 +$tcp_client 50020 label1 \* 2>$test_file & +client_pid=$! +wait $server_pid +server_rv=$? +wait $client_pid +client_rv=$? +if [ $server_rv -eq 0 -o $client_rv -eq 0 ]; then + echo "Socket labeled star should not have access to any tcp socket" + exit 1 +fi diff --git a/external/meta-security/recipes-mac/smack/tcp-smack-test_1.0.bb b/external/meta-security/recipes-mac/smack/tcp-smack-test_1.0.bb new file mode 100644 index 00000000..d2b3f6b3 --- /dev/null +++ b/external/meta-security/recipes-mac/smack/tcp-smack-test_1.0.bb @@ -0,0 +1,24 @@ +SUMMARY = "Binary used to test smack tcp sockets" +DESCRIPTION = "Server and client binaries used to test smack attributes on TCP sockets" +LICENSE = "MIT" +LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302" + +SRC_URI = "file://tcp_server.c \ + file://tcp_client.c \ + file://test_smack_tcp_sockets.sh \ +" + +S = "${WORKDIR}" + +do_compile() { + ${CC} tcp_client.c ${LDFLAGS} -o tcp_client + ${CC} tcp_server.c ${LDFLAGS} -o tcp_server +} + +do_install() { + install -d ${D}${bindir} + install -d ${D}${sbindir} + install -m 0755 tcp_server ${D}${bindir} + install -m 0755 tcp_client ${D}${bindir} + install -m 0755 test_smack_tcp_sockets.sh ${D}${sbindir} +} diff --git a/external/meta-security/recipes-mac/smack/udp-smack-test/test_smack_udp_sockets.sh b/external/meta-security/recipes-mac/smack/udp-smack-test/test_smack_udp_sockets.sh new file mode 100644 index 00000000..419ab9f9 --- /dev/null +++ b/external/meta-security/recipes-mac/smack/udp-smack-test/test_smack_udp_sockets.sh @@ -0,0 +1,107 @@ +#!/bin/sh +RC=0 +test_file="/tmp/smack_socket_udp" +SMACK_PATH=`grep smack /proc/mounts | awk '{print $2}' ` + +udp_server=`which udp_server` +if [ -z $udp_server ]; then + if [ -f "/tmp/udp_server" ]; then + udp_server="/tmp/udp_server" + else + echo "udp_server binary not found" + exit 1 + fi +fi +udp_client=`which udp_client` +if [ -z $udp_client ]; then + if [ -f "/tmp/udp_client" ]; then + udp_client="/tmp/udp_client" + else + echo "udp_client binary not found" + exit 1 + fi +fi + +# make sure no access is granted +# 12345678901234567890123456789012345678901234567890123456 +echo -n "label1 label2 -----" > $SMACK_PATH/load + +# checking access for sockets with different labels +$udp_server 50021 label2 2>$test_file & +server_pid=$! +sleep 1 +$udp_client 50021 label1 2>$test_file & +client_pid=$! +wait $server_pid +server_rv=$? +wait $client_pid +client_rv=$? +if [ $server_rv -eq 0 ]; then + echo "Sockets with different labels should not communicate on udp" + exit 1 +fi + +# granting access between different labels +# 12345678901234567890123456789012345678901234567890123456 +echo -n "label1 label2 rw---" > $SMACK_PATH/load +# checking access for sockets with different labels, but having a rule granting rw +$udp_server 50022 label2 2>$test_file & +server_pid=$! +sleep 1 +$udp_client 50022 label1 2>$test_file & +client_pid=$! +wait $server_pid +server_rv=$? +wait $client_pid +client_rv=$? +if [ $server_rv -ne 0 -o $client_rv -ne 0 ]; then + echo "Sockets with different labels, but having rw access, should communicate on udp" + exit 1 +fi + +# checking access for sockets with the same label +$udp_server 50023 label1 & +server_pid=$! +sleep 1 +$udp_client 50023 label1 2>$test_file & +client_pid=$! +wait $server_pid +server_rv=$? +wait $client_pid +client_rv=$? +if [ $server_rv -ne 0 -o $client_rv -ne 0 ]; then + echo "Sockets with same labels should communicate on udp" + exit 1 +fi + +# checking access on socket labeled star (*) +# should always be permitted +$udp_server 50024 \* 2>$test_file & +server_pid=$! +sleep 1 +$udp_client 50024 label1 2>$test_file & +client_pid=$! +wait $server_pid +server_rv=$? +wait $client_pid +client_rv=$? +if [ $server_rv -ne 0 -o $client_rv -ne 0 ]; then + echo "Should have access on udp socket labeled star (*)" + exit 1 +fi + +# checking access from socket labeled star (*) +# all access from subject star should be denied +$udp_server 50025 label1 2>$test_file & +server_pid=$! +sleep 1 +$udp_client 50025 \* 2>$test_file & +client_pid=$! +wait $server_pid +server_rv=$? +wait $client_pid +client_rv=$? +if [ $server_rv -eq 0 ]; then + echo "Socket labeled star should not have access to any udp socket" + exit 1 +fi diff --git a/external/meta-security/recipes-mac/smack/udp-smack-test/udp_client.c b/external/meta-security/recipes-mac/smack/udp-smack-test/udp_client.c new file mode 100644 index 00000000..4d3afbe6 --- /dev/null +++ b/external/meta-security/recipes-mac/smack/udp-smack-test/udp_client.c @@ -0,0 +1,75 @@ +// (C) Copyright 2015 Intel Corporation
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+#include <sys/socket.h>
+#include <stdio.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <string.h>
+
+int main(int argc, char* argv[])
+{
+ char* message = "hello";
+ int sock, ret;
+ struct sockaddr_in server_addr;
+ struct hostent* host = gethostbyname("localhost");
+ char* label;
+ char* attr = "security.SMACK64IPOUT";
+ int port;
+ if (argc != 3)
+ {
+ perror("Client: Argument missing, please provide port and label for SMACK64IPOUT");
+ return 2;
+ }
+
+ port = atoi(argv[1]);
+ label = argv[2];
+ sock = socket(AF_INET, SOCK_DGRAM,0);
+ if(sock < 0)
+ {
+ perror("Client: Socket failure");
+ return 2;
+ }
+
+
+ if(fsetxattr(sock, attr, label, strlen(label),0) < 0)
+ {
+ perror("Client: Unable to set attribute ");
+ return 2;
+ }
+
+
+ server_addr.sin_family = AF_INET;
+ server_addr.sin_port = htons(port);
+ bcopy((char*) host->h_addr, (char*) &server_addr.sin_addr.s_addr,host->h_length);
+ bzero(&(server_addr.sin_zero),8);
+
+ ret = sendto(sock, message, strlen(message),0,(const struct sockaddr*)&server_addr,
+ sizeof(struct sockaddr_in));
+
+ close(sock);
+ if(ret < 0)
+ {
+ perror("Client: Error sending message\n");
+ return 1;
+ }
+
+ return 0;
+}
+
diff --git a/external/meta-security/recipes-mac/smack/udp-smack-test/udp_server.c b/external/meta-security/recipes-mac/smack/udp-smack-test/udp_server.c new file mode 100644 index 00000000..cbab71e6 --- /dev/null +++ b/external/meta-security/recipes-mac/smack/udp-smack-test/udp_server.c @@ -0,0 +1,93 @@ +// (C) Copyright 2015 Intel Corporation
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+#include <sys/socket.h>
+#include <stdio.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <string.h>
+
+int main(int argc, char* argv[])
+{
+ int sock,ret;
+ struct sockaddr_in server_addr, client_addr;
+ socklen_t len;
+ char message[5];
+ char* label;
+ char* attr = "security.SMACK64IPIN";
+ int port;
+
+ if(argc != 3)
+ {
+ perror("Server: Argument missing, please provide port and label for SMACK64IPIN");
+ return 2;
+ }
+
+ port = atoi(argv[1]);
+ label = argv[2];
+
+ struct timeval timeout;
+ timeout.tv_sec = 15;
+ timeout.tv_usec = 0;
+
+ sock = socket(AF_INET,SOCK_DGRAM,0);
+ if(sock < 0)
+ {
+ perror("Server: Socket error");
+ return 2;
+ }
+
+
+ if(fsetxattr(sock, attr, label, strlen(label), 0) < 0)
+ {
+ perror("Server: Unable to set attribute ");
+ return 2;
+ }
+
+ server_addr.sin_family = AF_INET;
+ server_addr.sin_port = htons(port);
+ server_addr.sin_addr.s_addr = INADDR_ANY;
+ bzero(&(server_addr.sin_zero),8);
+
+
+ if(setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout)) < 0)
+ {
+ perror("Server: Set timeout failed\n");
+ return 2;
+ }
+
+ if(bind(sock, (struct sockaddr*) &server_addr, sizeof(server_addr)) < 0)
+ {
+ perror("Server: Bind failure");
+ return 2;
+ }
+
+ len = sizeof(client_addr);
+ ret = recvfrom(sock, message, sizeof(message), 0, (struct sockaddr*)&client_addr,
+ &len);
+ close(sock);
+ if(ret < 0)
+ {
+ perror("Server: Error receiving");
+ return 1;
+
+ }
+ return 0;
+}
+
diff --git a/external/meta-security/recipes-mac/smack/udp-smack-test_1.0.bb b/external/meta-security/recipes-mac/smack/udp-smack-test_1.0.bb new file mode 100644 index 00000000..9193f898 --- /dev/null +++ b/external/meta-security/recipes-mac/smack/udp-smack-test_1.0.bb @@ -0,0 +1,23 @@ +SUMMARY = "Binary used to test smack udp sockets" +DESCRIPTION = "Server and client binaries used to test smack attributes on UDP sockets" +LICENSE = "MIT" +LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302" + +SRC_URI = "file://udp_server.c \ + file://udp_client.c \ + file://test_smack_udp_sockets.sh \ +" + +S = "${WORKDIR}" +do_compile() { + ${CC} udp_client.c ${LDFLAGS} -o udp_client + ${CC} udp_server.c ${LDFLAGS} -o udp_server +} + +do_install() { + install -d ${D}${bindir} + install -d ${D}${sbindir} + install -m 0755 udp_server ${D}${bindir} + install -m 0755 udp_client ${D}${bindir} + install -m 0755 test_smack_udp_sockets.sh ${D}${sbindir} +} |