Start implementing tests

Tento commit je obsažen v:
Albert S. 2021-06-05 14:07:11 +02:00
rodič 0b13f551f4
revize 85c01899a9
3 změnil soubory, kde provedl 175 přidání a 0 odebrání

17
Makefile Normální soubor
Zobrazit soubor

@ -0,0 +1,17 @@
prefix = /usr/local
bindir = $(prefix)/bin
CFLAGS = -std=c99 -Wall -Wextra -pedantic
.DEFAULT_GOAL := test
clean:
rm -f test
test: test.c
$(CC) test.c -g $(CFLAGS) -o test
check: test
./test.sh
.PHONY: check

115
test.c Normální soubor
Zobrazit soubor

@ -0,0 +1,115 @@
#include "qssb.h"
#include <stdbool.h>
int test_default_main(int argc, char *argv[])
{
struct qssb_policy *policy = qssb_init_policy();
int ret = qssb_enable_policy(policy);
return ret;
}
int test_both_syscalls(int argc, char *argv[])
{
struct qssb_policy *policy = qssb_init_policy();
int bla[] = { 1,2,3};
policy->blacklisted_syscalls = &bla;
policy->allowed_syscalls = &bla;
int ret = qssb_enable_policy(policy);
if(ret != 0)
{
return 0;
}
return 1;
}
int test_seccomp_blacklisted(int argc, char *argv[])
{
struct qssb_policy *policy = qssb_init_policy();
int blacklisted[] = { QSSB_SYS(getuid) };
policy->blacklisted_syscalls = blacklisted;
int ret = qssb_enable_policy(policy);
uid_t pid = geteuid();
pid = getuid();
return 0;
}
int test_seccomp_blacklisted_call_permitted(int argc, char *argv[])
{
struct qssb_policy *policy = qssb_init_policy();
int blacklisted[] = { QSSB_SYS(getuid) };
policy->blacklisted_syscalls = blacklisted;
int ret = qssb_enable_policy(policy);
//geteuid is not blacklisted, so must succeed
uid_t pid = geteuid();
return 0;
}
int test_landlock(int argc, char *argv[])
{
struct qssb_policy *policy = qssb_init_policy();
qssb_append_path_policy(policy, QSSB_FS_ALLOW_READ, "/proc/self/fd");
int ret = qssb_enable_policy(policy);
int fd = open("/", O_RDONLY | O_CLOEXEC);
if(fd < 0)
{
return 0;
}
return 1;
}
int test_landlock_deny_write(int argc, char *argv[])
{
struct qssb_policy *policy = qssb_init_policy();
qssb_append_path_policy(policy, QSSB_FS_ALLOW_READ, "/tmp/");
int ret = qssb_enable_policy(policy);
int fd = open("/tmp/a", O_WRONLY | O_CLOEXEC);
if(fd < 0)
{
return 0;
}
return 1;
}
struct dispatcher
{
char *name;
int (*f)(int, char **);
bool must_exit_zero;
};
struct dispatcher dispatchers[] = {
{ "default", &test_default_main, true },
{ "seccomp-blacklisted", &test_seccomp_blacklisted, false },
{ "seccomp-blacklisted-permitted", &test_seccomp_blacklisted_call_permitted, true },
{ "landlock", &test_landlock, true },
{ "landlock-deny-write", &test_landlock_deny_write, true }
};
int main(int argc, char *argv[])
{
if(argc < 2)
{
fprintf(stderr, "Usage: %s [testname]\n", argv[0]);
return EXIT_FAILURE;
}
char *test = argv[1];
if(strcmp(test, "--dumptests") == 0)
{
for(unsigned int i = 0; i < sizeof(dispatchers)/sizeof(dispatchers[0]); i++)
{
printf("%s:%i\n", dispatchers[i].name, dispatchers[i].must_exit_zero ? 1 : 0);
}
return EXIT_SUCCESS;
}
for(unsigned int i = 0; i < sizeof(dispatchers)/sizeof(dispatchers[0]); i++)
{
struct dispatcher *current = &dispatchers[i];
if(strcmp(current->name, test) == 0)
{
return current->f(argc, argv);
}
}
fprintf(stderr, "Unknown test\n");
return EXIT_FAILURE;
}

43
test.sh Spustitelný soubor
Zobrazit soubor

@ -0,0 +1,43 @@
#!/bin/sh
GREEN='\033[0;32m'
RED='\033[0;31m'
NC='\033[0m'
function fail()
{
echo -e "${RED}$@${NC}" 1>&2
#exit 1
}
function echogreen()
{
echo -e "${GREEN}$@${NC}"
}
function runtest()
{
must_exit_zero=$2
echo -n "Running $1... "
#exit 1 to suppress shell message like "./test.sh: line 18: pid Bad system call"
(./test $1 || exit 1) 2> /dev/null
ret=$?
if [ $must_exit_zero -eq 1 ] ; then
if [ $ret -eq 0 ] ; then
echogreen "ok"
else
fail "fail"
fi
else
if [ $ret -eq 0 ] ; then
fail "fail"
else
echogreen "ok"
fi
fi
}
for test in $( ./test --dumptests ) ; do
testname=$( echo $test | cut -d":" -f1 )
must_exit_zero=$( echo "$test" | cut -d":" -f2 )
runtest "$testname" $must_exit_zero
done