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authorArmin Kuster <akuster808@gmail.com>2019-05-06 11:36:58 -0700
committerArmin Kuster <akuster808@gmail.com>2019-05-09 17:45:13 -0700
commit8eee8727cb09a9fc14e899b4058fcd108f44a0eb (patch)
treee6cd90e7b08c098e425a8d0efbb29fd88fc9ee2e /recipes-mac
parent5d37937f2e495147fd2a756d22c09f49773ac8ae (diff)
downloadmeta-security-8eee8727cb09a9fc14e899b4058fcd108f44a0eb.tar.gz
smack-test: add smack tests from meta-intel-iot-security
ported over smack tests Signed-off-by: Armin Kuster <akuster808@gmail.com>
Diffstat (limited to 'recipes-mac')
-rw-r--r--recipes-mac/smack/mmap-smack-test/mmap.c7
-rw-r--r--recipes-mac/smack/mmap-smack-test_1.0.bb16
-rw-r--r--recipes-mac/smack/smack-test/notroot.py33
-rw-r--r--recipes-mac/smack/smack-test/smack_test_file_access.sh54
-rw-r--r--recipes-mac/smack/smack-test/test_privileged_change_self_label.sh18
-rw-r--r--recipes-mac/smack/smack-test/test_smack_onlycap.sh27
-rw-r--r--recipes-mac/smack/smack-test_1.0.bb21
-rw-r--r--recipes-mac/smack/tcp-smack-test/tcp_client.c111
-rw-r--r--recipes-mac/smack/tcp-smack-test/tcp_server.c118
-rw-r--r--recipes-mac/smack/tcp-smack-test/test_smack_tcp_sockets.sh108
-rw-r--r--recipes-mac/smack/tcp-smack-test_1.0.bb24
-rw-r--r--recipes-mac/smack/udp-smack-test/test_smack_udp_sockets.sh107
-rw-r--r--recipes-mac/smack/udp-smack-test/udp_client.c75
-rw-r--r--recipes-mac/smack/udp-smack-test/udp_server.c93
-rw-r--r--recipes-mac/smack/udp-smack-test_1.0.bb23
15 files changed, 835 insertions, 0 deletions
diff --git a/recipes-mac/smack/mmap-smack-test/mmap.c b/recipes-mac/smack/mmap-smack-test/mmap.c
new file mode 100644
index 0000000..f358d27
--- /dev/null
+++ b/recipes-mac/smack/mmap-smack-test/mmap.c
@@ -0,0 +1,7 @@
1#include <stdio.h>
2
3int main(int argc, char **argv)
4{
5 printf("Original test program removed while investigating its license.\n");
6 return 1;
7}
diff --git a/recipes-mac/smack/mmap-smack-test_1.0.bb b/recipes-mac/smack/mmap-smack-test_1.0.bb
new file mode 100644
index 0000000..9d11509
--- /dev/null
+++ b/recipes-mac/smack/mmap-smack-test_1.0.bb
@@ -0,0 +1,16 @@
1SUMMARY = "Mmap binary used to test smack mmap attribute"
2DESCRIPTION = "Mmap binary used to test smack mmap attribute"
3LICENSE = "MIT"
4LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
5
6SRC_URI = "file://mmap.c"
7
8S = "${WORKDIR}"
9do_compile() {
10 ${CC} mmap.c ${LDFLAGS} -o mmap_test
11}
12
13do_install() {
14 install -d ${D}${bindir}
15 install -m 0755 mmap_test ${D}${bindir}
16}
diff --git a/recipes-mac/smack/smack-test/notroot.py b/recipes-mac/smack/smack-test/notroot.py
new file mode 100644
index 0000000..f0eb0b5
--- /dev/null
+++ b/recipes-mac/smack/smack-test/notroot.py
@@ -0,0 +1,33 @@
1#!/usr/bin/env python
2#
3# Script used for running executables with custom labels, as well as custom uid/gid
4# Process label is changed by writing to /proc/self/attr/curent
5#
6# Script expects user id and group id to exist, and be the same.
7#
8# From adduser manual:
9# """By default, each user in Debian GNU/Linux is given a corresponding group
10# with the same name. """
11#
12# Usage: root@desk:~# python notroot.py <uid> <label> <full_path_to_executable> [arguments ..]
13# eg: python notroot.py 1000 User::Label /bin/ping -c 3 192.168.1.1
14#
15# Author: Alexandru Cornea <alexandru.cornea@intel.com>
16import os
17import sys
18
19try:
20 uid = int(sys.argv[1])
21 sys.argv.pop(1)
22 label = sys.argv[1]
23 sys.argv.pop(1)
24 open("/proc/self/attr/current", "w").write(label)
25 path=sys.argv[1]
26 sys.argv.pop(0)
27 os.setgid(uid)
28 os.setuid(uid)
29 os.execv(path,sys.argv)
30
31except Exception,e:
32 print e.message
33 sys.exit(1)
diff --git a/recipes-mac/smack/smack-test/smack_test_file_access.sh b/recipes-mac/smack/smack-test/smack_test_file_access.sh
new file mode 100644
index 0000000..5a0ce84
--- /dev/null
+++ b/recipes-mac/smack/smack-test/smack_test_file_access.sh
@@ -0,0 +1,54 @@
1#!/bin/sh
2
3SMACK_PATH=`grep smack /proc/mounts | awk '{print $2}' `
4RC=0
5TMP="/tmp"
6test_file=$TMP/smack_test_access_file
7CAT=`which cat`
8ECHO=`which echo`
9uid=1000
10initial_label=`cat /proc/self/attr/current`
11python $TMP/notroot.py $uid "TheOther" $ECHO 'TEST' > $test_file
12chsmack -a "TheOther" $test_file
13
14# 12345678901234567890123456789012345678901234567890123456
15delrule="TheOne TheOther -----"
16rule_ro="TheOne TheOther r----"
17
18# Remove pre-existent rules for "TheOne TheOther <access>"
19echo -n "$delrule" > $SMACK_PATH/load
20python $TMP/notroot.py $uid "TheOne" $CAT $test_file 2>&1 1>/dev/null | grep -q "Permission denied" || RC=$?
21if [ $RC -ne 0 ]; then
22 echo "Process with different label than the test file and no read access on it can read it"
23 exit $RC
24fi
25
26# adding read access
27echo -n "$rule_ro" > $SMACK_PATH/load
28python $TMP/notroot.py $uid "TheOne" $CAT $test_file | grep -q "TEST" || RC=$?
29if [ $RC -ne 0 ]; then
30 echo "Process with different label than the test file but with read access on it cannot read it"
31 exit $RC
32fi
33
34# Remove pre-existent rules for "TheOne TheOther <access>"
35echo -n "$delrule" > $SMACK_PATH/load
36# changing label of test file to *
37# according to SMACK documentation, read access on a * object is always permitted
38chsmack -a '*' $test_file
39python $TMP/notroot.py $uid "TheOne" $CAT $test_file | grep -q "TEST" || RC=$?
40if [ $RC -ne 0 ]; then
41 echo "Process cannot read file with * label"
42 exit $RC
43fi
44
45# changing subject label to *
46# according to SMACK documentation, every access requested by a star labeled subject is rejected
47TOUCH=`which touch`
48python $TMP/notroot.py $uid '*' $TOUCH $TMP/test_file_2
49ls -la $TMP/test_file_2 2>&1 | grep -q 'No such file or directory' || RC=$?
50if [ $RC -ne 0 ];then
51 echo "Process with label '*' should not have any access"
52 exit $RC
53fi
54exit 0
diff --git a/recipes-mac/smack/smack-test/test_privileged_change_self_label.sh b/recipes-mac/smack/smack-test/test_privileged_change_self_label.sh
new file mode 100644
index 0000000..26d9e9d
--- /dev/null
+++ b/recipes-mac/smack/smack-test/test_privileged_change_self_label.sh
@@ -0,0 +1,18 @@
1#!/bin/sh
2
3initial_label=`cat /proc/self/attr/current 2>/dev/null`
4modified_label="test_label"
5
6echo "$modified_label" >/proc/self/attr/current 2>/dev/null
7
8new_label=`cat /proc/self/attr/current 2>/dev/null`
9
10if [ "$new_label" != "$modified_label" ]; then
11 # restore proper label
12 echo $initial_label >/proc/self/attr/current
13 echo "Privileged process could not change its label"
14 exit 1
15fi
16
17echo "$initial_label" >/proc/self/attr/current 2>/dev/null
18exit 0 \ No newline at end of file
diff --git a/recipes-mac/smack/smack-test/test_smack_onlycap.sh b/recipes-mac/smack/smack-test/test_smack_onlycap.sh
new file mode 100644
index 0000000..1c4a93a
--- /dev/null
+++ b/recipes-mac/smack/smack-test/test_smack_onlycap.sh
@@ -0,0 +1,27 @@
1#!/bin/sh
2RC=0
3SMACK_PATH=`grep smack /proc/mounts | awk '{print $2}'`
4test_label="test_label"
5onlycap_initial=`cat $SMACK_PATH/onlycap`
6smack_initial=`cat /proc/self/attr/current`
7
8# need to set out label to be the same as onlycap, otherwise we lose our smack privileges
9# even if we are root
10echo "$test_label" > /proc/self/attr/current
11
12echo "$test_label" > $SMACK_PATH/onlycap || RC=$?
13if [ $RC -ne 0 ]; then
14 echo "Onlycap label could not be set"
15 return $RC
16fi
17
18if [ `cat $SMACK_PATH/onlycap` != "$test_label" ]; then
19 echo "Onlycap label was not set correctly."
20 return 1
21fi
22
23# resetting original onlycap label
24echo "$onlycap_initial" > $SMACK_PATH/onlycap 2>/dev/null
25
26# resetting our initial's process label
27echo "$smack_initial" > /proc/self/attr/current
diff --git a/recipes-mac/smack/smack-test_1.0.bb b/recipes-mac/smack/smack-test_1.0.bb
new file mode 100644
index 0000000..7cf8f2e
--- /dev/null
+++ b/recipes-mac/smack/smack-test_1.0.bb
@@ -0,0 +1,21 @@
1SUMMARY = "Smack test scripts"
2DESCRIPTION = "Smack scripts"
3LICENSE = "MIT"
4LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
5
6SRC_URI = " \
7 file://notroot.py \
8 file://smack_test_file_access.sh \
9 file://test_privileged_change_self_label.sh \
10 file://test_smack_onlycap.sh \
11"
12
13S = "${WORKDIR}"
14
15do_install() {
16 install -d ${D}${sbindir}
17 install -m 0755 notroot.py ${D}${sbindir}
18 install -m 0755 *.sh ${D}${sbindir}
19}
20
21RDEPENDS_${PN} = "smack python mmap-smack-test tcp-smack-test udp-smack-test"
diff --git a/recipes-mac/smack/tcp-smack-test/tcp_client.c b/recipes-mac/smack/tcp-smack-test/tcp_client.c
new file mode 100644
index 0000000..185f973
--- /dev/null
+++ b/recipes-mac/smack/tcp-smack-test/tcp_client.c
@@ -0,0 +1,111 @@
1// (C) Copyright 2015 Intel Corporation
2//
3// Permission is hereby granted, free of charge, to any person obtaining a copy
4// of this software and associated documentation files (the "Software"), to deal
5// in the Software without restriction, including without limitation the rights
6// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7// copies of the Software, and to permit persons to whom the Software is
8// furnished to do so, subject to the following conditions:
9//
10// The above copyright notice and this permission notice shall be included in
11// all copies or substantial portions of the Software.
12//
13// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19// THE SOFTWARE.
20#include <stdio.h>
21#include <sys/socket.h>
22#include <sys/types.h>
23#include <errno.h>
24#include <netinet/in.h>
25#include <unistd.h>
26#include <netdb.h>
27#include <string.h>
28#include <sys/xattr.h>
29
30int main(int argc, char* argv[])
31{
32
33 int sock;
34 char message[255] = "hello";
35 struct sockaddr_in server_addr;
36 char* label_in;
37 char* label_out;
38 char* attr_out = "security.SMACK64IPOUT";
39 char* attr_in = "security.SMACK64IPIN";
40 char out[256];
41 int port;
42
43 struct timeval timeout;
44 timeout.tv_sec = 15;
45 timeout.tv_usec = 0;
46
47 struct hostent* host = gethostbyname("localhost");
48
49 if (argc != 4)
50 {
51 perror("Client: Arguments missing, please provide socket labels");
52 return 2;
53 }
54
55 port = atoi(argv[1]);
56 label_in = argv[2];
57 label_out = argv[3];
58
59 if((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
60 {
61 perror("Client: Socket failure");
62 return 2;
63 }
64
65
66 if(fsetxattr(sock, attr_out, label_out, strlen(label_out), 0) < 0)
67 {
68 perror("Client: Unable to set attribute SMACK64IPOUT");
69 return 2;
70 }
71
72 if(fsetxattr(sock, attr_in, label_in, strlen(label_in), 0) < 0)
73 {
74 perror("Client: Unable to set attribute SMACK64IPIN");
75 return 2;
76 }
77
78 server_addr.sin_family = AF_INET;
79 server_addr.sin_port = htons(port);
80 bcopy((char*) host->h_addr, (char*) &server_addr.sin_addr.s_addr,host->h_length);
81 bzero(&(server_addr.sin_zero),8);
82
83 if(setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(timeout)) < 0)
84 {
85 perror("Client: Set timeout failed\n");
86 return 2;
87 }
88
89 if (connect(sock, (struct sockaddr *)&server_addr,sizeof(struct sockaddr)) == -1)
90 {
91 perror("Client: Connection failure");
92 close(sock);
93 return 1;
94 }
95
96
97 if(write(sock, message, strlen(message)) < 0)
98 {
99 perror("Client: Error sending data\n");
100 close(sock);
101 return 1;
102 }
103 close(sock);
104 return 0;
105}
106
107
108
109
110
111
diff --git a/recipes-mac/smack/tcp-smack-test/tcp_server.c b/recipes-mac/smack/tcp-smack-test/tcp_server.c
new file mode 100644
index 0000000..9285dc6
--- /dev/null
+++ b/recipes-mac/smack/tcp-smack-test/tcp_server.c
@@ -0,0 +1,118 @@
1// (C) Copyright 2015 Intel Corporation
2//
3// Permission is hereby granted, free of charge, to any person obtaining a copy
4// of this software and associated documentation files (the "Software"), to deal
5// in the Software without restriction, including without limitation the rights
6// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7// copies of the Software, and to permit persons to whom the Software is
8// furnished to do so, subject to the following conditions:
9//
10// The above copyright notice and this permission notice shall be included in
11// all copies or substantial portions of the Software.
12//
13// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19// THE SOFTWARE.
20#include <stdio.h>
21#include <sys/socket.h>
22#include <sys/types.h>
23#include <errno.h>
24#include <netinet/in.h>
25#include <unistd.h>
26#include <string.h>
27
28int main(int argc, char* argv[])
29{
30
31 int sock;
32 int clientsock;
33 char message[255];
34 socklen_t client_length;
35 struct sockaddr_in server_addr, client_addr;
36 char* label_in;
37 char* attr_in = "security.SMACK64IPIN";
38 int port;
39
40 struct timeval timeout;
41 timeout.tv_sec = 15;
42 timeout.tv_usec = 0;
43
44 if (argc != 3)
45 {
46 perror("Server: Argument missing please provide port and label for SMACK64IPIN");
47 return 2;
48 }
49
50 port = atoi(argv[1]);
51 label_in = argv[2];
52 bzero(message,255);
53
54
55 if((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
56 {
57 perror("Server: Socket failure");
58 return 2;
59 }
60
61
62 if(fsetxattr(sock, attr_in, label_in, strlen(label_in),0) < 0)
63 {
64 perror("Server: Unable to set attribute ipin 2");
65 return 2;
66 }
67
68 server_addr.sin_family = AF_INET;
69 server_addr.sin_port = htons(port);
70 server_addr.sin_addr.s_addr = INADDR_ANY;
71 bzero(&(server_addr.sin_zero),8);
72
73 if(setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout)) < 0)
74 {
75 perror("Server: Set timeout failed\n");
76 return 2;
77 }
78
79 if(bind(sock, (struct sockaddr*) &server_addr, sizeof(server_addr)) < 0)
80 {
81 perror("Server: Bind failure ");
82 return 2;
83 }
84
85 listen(sock, 1);
86 client_length = sizeof(client_addr);
87
88 clientsock = accept(sock,(struct sockaddr*) &client_addr, &client_length);
89
90 if (clientsock < 0)
91 {
92 perror("Server: Connection failed");
93 close(sock);
94 return 1;
95 }
96
97
98 if(fsetxattr(clientsock, "security.SMACK64IPIN", label_in, strlen(label_in),0) < 0)
99 {
100 perror(" Server: Unable to set attribute ipin 2");
101 close(sock);
102 return 2;
103 }
104
105 if(read(clientsock, message, 254) < 0)
106 {
107 perror("Server: Error when reading from socket");
108 close(clientsock);
109 close(sock);
110 return 1;
111 }
112
113
114 close(clientsock);
115 close(sock);
116
117 return 0;
118}
diff --git a/recipes-mac/smack/tcp-smack-test/test_smack_tcp_sockets.sh b/recipes-mac/smack/tcp-smack-test/test_smack_tcp_sockets.sh
new file mode 100644
index 0000000..ed18f23
--- /dev/null
+++ b/recipes-mac/smack/tcp-smack-test/test_smack_tcp_sockets.sh
@@ -0,0 +1,108 @@
1#!/bin/sh
2RC=0
3test_file=/tmp/smack_socket_tcp
4SMACK_PATH=`grep smack /proc/mounts | awk '{print $2}' `
5# make sure no access is granted
6# 12345678901234567890123456789012345678901234567890123456
7echo -n "label1 label2 -----" > $SMACK_PATH/load
8
9tcp_server=`which tcp_server`
10if [ -z $tcp_server ]; then
11 if [ -f "/tmp/tcp_server" ]; then
12 tcp_server="/tmp/tcp_server"
13 else
14 echo "tcp_server binary not found"
15 exit 1
16 fi
17fi
18tcp_client=`which tcp_client`
19if [ -z $tcp_client ]; then
20 if [ -f "/tmp/tcp_client" ]; then
21 tcp_client="/tmp/tcp_client"
22 else
23 echo "tcp_client binary not found"
24 exit 1
25 fi
26fi
27
28# checking access for sockets with different labels
29$tcp_server 50016 label1 &>/dev/null &
30server_pid=$!
31sleep 2
32$tcp_client 50016 label2 label1 &>/dev/null &
33client_pid=$!
34
35wait $server_pid
36server_rv=$?
37wait $client_pid
38client_rv=$?
39
40if [ $server_rv -eq 0 -o $client_rv -eq 0 ]; then
41 echo "Sockets with different labels should not communicate on tcp"
42 exit 1
43fi
44
45# granting access between different labels
46# 12345678901234567890123456789012345678901234567890123456
47echo -n "label1 label2 rw---" > $SMACK_PATH/load
48# checking access for sockets with different labels, but having a rule granting rw
49$tcp_server 50017 label1 2>$test_file &
50server_pid=$!
51sleep 1
52$tcp_client 50017 label2 label1 2>$test_file &
53client_pid=$!
54wait $server_pid
55server_rv=$?
56wait $client_pid
57client_rv=$?
58if [ $server_rv -ne 0 -o $client_rv -ne 0 ]; then
59 echo "Sockets with different labels, but having rw access, should communicate on tcp"
60 exit 1
61fi
62
63# checking access for sockets with the same label
64$tcp_server 50018 label1 2>$test_file &
65server_pid=$!
66sleep 1
67$tcp_client 50018 label1 label1 2>$test_file &
68client_pid=$!
69wait $server_pid
70server_rv=$?
71wait $client_pid
72client_rv=$?
73if [ $server_rv -ne 0 -o $client_rv -ne 0 ]; then
74 echo "Sockets with same labels should communicate on tcp"
75 exit 1
76fi
77
78# checking access on socket labeled star (*)
79# should always be permitted
80$tcp_server 50019 \* 2>$test_file &
81server_pid=$!
82sleep 1
83$tcp_client 50019 label1 label1 2>$test_file &
84client_pid=$!
85wait $server_pid
86server_rv=$?
87wait $client_pid
88client_rv=$?
89if [ $server_rv -ne 0 -o $client_rv -ne 0 ]; then
90 echo "Should have access on tcp socket labeled star (*)"
91 exit 1
92fi
93
94# checking access from socket labeled star (*)
95# all access from subject star should be denied
96$tcp_server 50020 label1 2>$test_file &
97server_pid=$!
98sleep 1
99$tcp_client 50020 label1 \* 2>$test_file &
100client_pid=$!
101wait $server_pid
102server_rv=$?
103wait $client_pid
104client_rv=$?
105if [ $server_rv -eq 0 -o $client_rv -eq 0 ]; then
106 echo "Socket labeled star should not have access to any tcp socket"
107 exit 1
108fi
diff --git a/recipes-mac/smack/tcp-smack-test_1.0.bb b/recipes-mac/smack/tcp-smack-test_1.0.bb
new file mode 100644
index 0000000..d2b3f6b
--- /dev/null
+++ b/recipes-mac/smack/tcp-smack-test_1.0.bb
@@ -0,0 +1,24 @@
1SUMMARY = "Binary used to test smack tcp sockets"
2DESCRIPTION = "Server and client binaries used to test smack attributes on TCP sockets"
3LICENSE = "MIT"
4LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
5
6SRC_URI = "file://tcp_server.c \
7 file://tcp_client.c \
8 file://test_smack_tcp_sockets.sh \
9"
10
11S = "${WORKDIR}"
12
13do_compile() {
14 ${CC} tcp_client.c ${LDFLAGS} -o tcp_client
15 ${CC} tcp_server.c ${LDFLAGS} -o tcp_server
16}
17
18do_install() {
19 install -d ${D}${bindir}
20 install -d ${D}${sbindir}
21 install -m 0755 tcp_server ${D}${bindir}
22 install -m 0755 tcp_client ${D}${bindir}
23 install -m 0755 test_smack_tcp_sockets.sh ${D}${sbindir}
24}
diff --git a/recipes-mac/smack/udp-smack-test/test_smack_udp_sockets.sh b/recipes-mac/smack/udp-smack-test/test_smack_udp_sockets.sh
new file mode 100644
index 0000000..419ab9f
--- /dev/null
+++ b/recipes-mac/smack/udp-smack-test/test_smack_udp_sockets.sh
@@ -0,0 +1,107 @@
1#!/bin/sh
2RC=0
3test_file="/tmp/smack_socket_udp"
4SMACK_PATH=`grep smack /proc/mounts | awk '{print $2}' `
5
6udp_server=`which udp_server`
7if [ -z $udp_server ]; then
8 if [ -f "/tmp/udp_server" ]; then
9 udp_server="/tmp/udp_server"
10 else
11 echo "udp_server binary not found"
12 exit 1
13 fi
14fi
15udp_client=`which udp_client`
16if [ -z $udp_client ]; then
17 if [ -f "/tmp/udp_client" ]; then
18 udp_client="/tmp/udp_client"
19 else
20 echo "udp_client binary not found"
21 exit 1
22 fi
23fi
24
25# make sure no access is granted
26# 12345678901234567890123456789012345678901234567890123456
27echo -n "label1 label2 -----" > $SMACK_PATH/load
28
29# checking access for sockets with different labels
30$udp_server 50021 label2 2>$test_file &
31server_pid=$!
32sleep 1
33$udp_client 50021 label1 2>$test_file &
34client_pid=$!
35wait $server_pid
36server_rv=$?
37wait $client_pid
38client_rv=$?
39if [ $server_rv -eq 0 ]; then
40 echo "Sockets with different labels should not communicate on udp"
41 exit 1
42fi
43
44# granting access between different labels
45# 12345678901234567890123456789012345678901234567890123456
46echo -n "label1 label2 rw---" > $SMACK_PATH/load
47# checking access for sockets with different labels, but having a rule granting rw
48$udp_server 50022 label2 2>$test_file &
49server_pid=$!
50sleep 1
51$udp_client 50022 label1 2>$test_file &
52client_pid=$!
53wait $server_pid
54server_rv=$?
55wait $client_pid
56client_rv=$?
57if [ $server_rv -ne 0 -o $client_rv -ne 0 ]; then
58 echo "Sockets with different labels, but having rw access, should communicate on udp"
59 exit 1
60fi
61
62# checking access for sockets with the same label
63$udp_server 50023 label1 &
64server_pid=$!
65sleep 1
66$udp_client 50023 label1 2>$test_file &
67client_pid=$!
68wait $server_pid
69server_rv=$?
70wait $client_pid
71client_rv=$?
72if [ $server_rv -ne 0 -o $client_rv -ne 0 ]; then
73 echo "Sockets with same labels should communicate on udp"
74 exit 1
75fi
76
77# checking access on socket labeled star (*)
78# should always be permitted
79$udp_server 50024 \* 2>$test_file &
80server_pid=$!
81sleep 1
82$udp_client 50024 label1 2>$test_file &
83client_pid=$!
84wait $server_pid
85server_rv=$?
86wait $client_pid
87client_rv=$?
88if [ $server_rv -ne 0 -o $client_rv -ne 0 ]; then
89 echo "Should have access on udp socket labeled star (*)"
90 exit 1
91fi
92
93# checking access from socket labeled star (*)
94# all access from subject star should be denied
95$udp_server 50025 label1 2>$test_file &
96server_pid=$!
97sleep 1
98$udp_client 50025 \* 2>$test_file &
99client_pid=$!
100wait $server_pid
101server_rv=$?
102wait $client_pid
103client_rv=$?
104if [ $server_rv -eq 0 ]; then
105 echo "Socket labeled star should not have access to any udp socket"
106 exit 1
107fi
diff --git a/recipes-mac/smack/udp-smack-test/udp_client.c b/recipes-mac/smack/udp-smack-test/udp_client.c
new file mode 100644
index 0000000..4d3afbe
--- /dev/null
+++ b/recipes-mac/smack/udp-smack-test/udp_client.c
@@ -0,0 +1,75 @@
1// (C) Copyright 2015 Intel Corporation
2//
3// Permission is hereby granted, free of charge, to any person obtaining a copy
4// of this software and associated documentation files (the "Software"), to deal
5// in the Software without restriction, including without limitation the rights
6// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7// copies of the Software, and to permit persons to whom the Software is
8// furnished to do so, subject to the following conditions:
9//
10// The above copyright notice and this permission notice shall be included in
11// all copies or substantial portions of the Software.
12//
13// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19// THE SOFTWARE.
20#include <sys/socket.h>
21#include <stdio.h>
22#include <netinet/in.h>
23#include <netdb.h>
24#include <string.h>
25
26int main(int argc, char* argv[])
27{
28 char* message = "hello";
29 int sock, ret;
30 struct sockaddr_in server_addr;
31 struct hostent* host = gethostbyname("localhost");
32 char* label;
33 char* attr = "security.SMACK64IPOUT";
34 int port;
35 if (argc != 3)
36 {
37 perror("Client: Argument missing, please provide port and label for SMACK64IPOUT");
38 return 2;
39 }
40
41 port = atoi(argv[1]);
42 label = argv[2];
43 sock = socket(AF_INET, SOCK_DGRAM,0);
44 if(sock < 0)
45 {
46 perror("Client: Socket failure");
47 return 2;
48 }
49
50
51 if(fsetxattr(sock, attr, label, strlen(label),0) < 0)
52 {
53 perror("Client: Unable to set attribute ");
54 return 2;
55 }
56
57
58 server_addr.sin_family = AF_INET;
59 server_addr.sin_port = htons(port);
60 bcopy((char*) host->h_addr, (char*) &server_addr.sin_addr.s_addr,host->h_length);
61 bzero(&(server_addr.sin_zero),8);
62
63 ret = sendto(sock, message, strlen(message),0,(const struct sockaddr*)&server_addr,
64 sizeof(struct sockaddr_in));
65
66 close(sock);
67 if(ret < 0)
68 {
69 perror("Client: Error sending message\n");
70 return 1;
71 }
72
73 return 0;
74}
75
diff --git a/recipes-mac/smack/udp-smack-test/udp_server.c b/recipes-mac/smack/udp-smack-test/udp_server.c
new file mode 100644
index 0000000..cbab71e
--- /dev/null
+++ b/recipes-mac/smack/udp-smack-test/udp_server.c
@@ -0,0 +1,93 @@
1// (C) Copyright 2015 Intel Corporation
2//
3// Permission is hereby granted, free of charge, to any person obtaining a copy
4// of this software and associated documentation files (the "Software"), to deal
5// in the Software without restriction, including without limitation the rights
6// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7// copies of the Software, and to permit persons to whom the Software is
8// furnished to do so, subject to the following conditions:
9//
10// The above copyright notice and this permission notice shall be included in
11// all copies or substantial portions of the Software.
12//
13// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19// THE SOFTWARE.
20#include <sys/socket.h>
21#include <stdio.h>
22#include <netinet/in.h>
23#include <netdb.h>
24#include <string.h>
25
26int main(int argc, char* argv[])
27{
28 int sock,ret;
29 struct sockaddr_in server_addr, client_addr;
30 socklen_t len;
31 char message[5];
32 char* label;
33 char* attr = "security.SMACK64IPIN";
34 int port;
35
36 if(argc != 3)
37 {
38 perror("Server: Argument missing, please provide port and label for SMACK64IPIN");
39 return 2;
40 }
41
42 port = atoi(argv[1]);
43 label = argv[2];
44
45 struct timeval timeout;
46 timeout.tv_sec = 15;
47 timeout.tv_usec = 0;
48
49 sock = socket(AF_INET,SOCK_DGRAM,0);
50 if(sock < 0)
51 {
52 perror("Server: Socket error");
53 return 2;
54 }
55
56
57 if(fsetxattr(sock, attr, label, strlen(label), 0) < 0)
58 {
59 perror("Server: Unable to set attribute ");
60 return 2;
61 }
62
63 server_addr.sin_family = AF_INET;
64 server_addr.sin_port = htons(port);
65 server_addr.sin_addr.s_addr = INADDR_ANY;
66 bzero(&(server_addr.sin_zero),8);
67
68
69 if(setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout)) < 0)
70 {
71 perror("Server: Set timeout failed\n");
72 return 2;
73 }
74
75 if(bind(sock, (struct sockaddr*) &server_addr, sizeof(server_addr)) < 0)
76 {
77 perror("Server: Bind failure");
78 return 2;
79 }
80
81 len = sizeof(client_addr);
82 ret = recvfrom(sock, message, sizeof(message), 0, (struct sockaddr*)&client_addr,
83 &len);
84 close(sock);
85 if(ret < 0)
86 {
87 perror("Server: Error receiving");
88 return 1;
89
90 }
91 return 0;
92}
93
diff --git a/recipes-mac/smack/udp-smack-test_1.0.bb b/recipes-mac/smack/udp-smack-test_1.0.bb
new file mode 100644
index 0000000..9193f89
--- /dev/null
+++ b/recipes-mac/smack/udp-smack-test_1.0.bb
@@ -0,0 +1,23 @@
1SUMMARY = "Binary used to test smack udp sockets"
2DESCRIPTION = "Server and client binaries used to test smack attributes on UDP sockets"
3LICENSE = "MIT"
4LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
5
6SRC_URI = "file://udp_server.c \
7 file://udp_client.c \
8 file://test_smack_udp_sockets.sh \
9"
10
11S = "${WORKDIR}"
12do_compile() {
13 ${CC} udp_client.c ${LDFLAGS} -o udp_client
14 ${CC} udp_server.c ${LDFLAGS} -o udp_server
15}
16
17do_install() {
18 install -d ${D}${bindir}
19 install -d ${D}${sbindir}
20 install -m 0755 udp_server ${D}${bindir}
21 install -m 0755 udp_client ${D}${bindir}
22 install -m 0755 test_smack_udp_sockets.sh ${D}${sbindir}
23}
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2026-07-16 01:57:37 +0000