/* checkTag() also tries to lookup the socket address in the kernel and
* return it when *addr == NULL.
* This allows for better look ups when another process is also setting the same
* tag + uid. But it is not fool proof.
* Without the kernel reporting more info on who setup the socket tag, it is
* not easily verifiable from user-space.
* Returns: true if tag found.
*/
bool SockInfo::checkTag(uint64_t acct_tag, uid_t uid) {
int ctrl_fd;
ctrl_fd = openCtrl();
char ctrl_data[1024];
ssize_t read_size;
char *buff;
char *pos;
int res;
char *match_template;
uint64_t k_tag;
uint32_t k_uid;
uint64_t full_tag;
long dummy_count;
pid_t dummy_pid;
read_size = read(ctrl_fd, ctrl_data, sizeof(ctrl_data));
if (read_size < 0) {
testPrintE("Unable to read active tags from ctrl %d/%s",
errno, strerror(errno));
}
ctrl_data[read_size] = '\0';
testPrintI("<ctrl_raw_data>\n%s</ctrl_raw_data>", ctrl_data);
if (addr) {
assert(sizeof(void*) == sizeof(long int)); // Why does %p use 0x? grrr. %lx.
asprintf(&match_template, "sock=%" PRIxPTR " %s", (uintptr_t)addr, "tag=0x%" PRIx64" (uid=%u)");
}
else {
/* Allocate for symmetry */
asprintf(&match_template, "%s", " tag=0x%" PRIx64 " (uid=%u)");
}
full_tag = acct_tag | uid;
asprintf(&buff, match_template, full_tag | uid, uid);
testPrintI("looking for '%s'", buff);
pos = strstr(ctrl_data, buff);
if (pos && !addr) {
assert(sizeof(void*) == sizeof(long int)); // Why does %p use 0x? grrr. %lx.
res = sscanf(pos - strlen("sock=1234abcd"),
"sock=%" SCNxPTR " tag=0x%" SCNx64 " (uid=%" SCNu32 ") pid=%u f_count=%lu",
(uintptr_t *)&addr, &k_tag, &k_uid, &dummy_pid, &dummy_count );
if (!(res == 5 && k_tag == full_tag && k_uid == uid)) {
testPrintE("Unable to read sock addr res=%d", res);
addr = 0;
}
else {
testPrintI("Got sock_addr %lx", addr);
}
}
free(buff);
free(match_template);
close(ctrl_fd);
return pos != NULL;
}
/*
* Initialize
*
* Perform testcase initialization, which includes:
*
* 1. Determine which CPUs are available for use
*
* 2. Determine total number of available CPUs
*
* 3. Stop framework
*
* 4. Determine whether WiFi driver is loaded and if so
* stop wpa_supplicant and unload WiFi driver.
*/
void
init(void)
{
int rv;
unsigned int n1;
char cmd[MAXCMD];
// Use whichever CPUs are available at start of test
rv = sched_getaffinity(0, sizeof(availCPU), &availCPU);
if (rv != 0) {
testPrintE("init sched_getaffinity failed, rv: %i errno: %i",
rv, errno);
exit(40);
}
// How many CPUs are available
numAvailCPU = 0;
for (n1 = 0; n1 < CPU_SETSIZE; n1++) {
if (CPU_ISSET(n1, &availCPU)) { numAvailCPU++; }
}
testPrintI("numAvailCPU: %u", numAvailCPU);
// Stop framework
rv = snprintf(cmd, sizeof(cmd), "%s", CMD_STOP_FRAMEWORK);
if (rv >= (signed) sizeof(cmd) - 1) {
testPrintE("Command too long for: %s\n", CMD_STOP_FRAMEWORK);
exit(41);
}
testExecCmd(cmd);
// Is WiFi driver loaded?
// If so stop the wpa_supplicant and unload the driver.
driverLoadedAtStart = is_wifi_driver_loaded();
testPrintI("driverLoadedAtStart: %u", driverLoadedAtStart);
if (driverLoadedAtStart) {
// Stop wpa_supplicant
// Might already be stopped, in which case request should
// return immediately with success.
if ((rv = wifi_stop_supplicant(false)) != 0) {
testPrintE("init stop supplicant failed, rv: %i", rv);
exit(42);
}
testPrintI("Stopped wpa_supplicant");
if ((rv = wifi_unload_driver()) != 0) {
testPrintE("init unload driver failed, rv: %i", rv);
exit(43);
}
testPrintI("WiFi driver unloaded");
}
}
TEST_F(SocketTaggingTest, TagAnotherSocket) {
testPrintI("Tag two sockets");
EXPECT_GE(doCtrlCommand("t %d %" PRIu64, sock0.fd, max_uint_tag), 0);
EXPECT_GE(doCtrlCommand("t %d %" PRIu64 " %u", sock1.fd, valid_tag1, fake_uid2), 0);
EXPECT_TRUE(sock1.checkTag(valid_tag1, fake_uid2)) << "Tag not found.";
testPrintI("Untag socket0 of them only.");
EXPECT_GE(doCtrlCommand("u %d", sock0.fd), 0);
EXPECT_FALSE(sock0.checkTag(max_uint_tag, fake_uid)) << "Tag should not be there";
EXPECT_TRUE(sock1.checkTag(valid_tag1, fake_uid2)) << "Tag not found";
testPrintI("Now untag socket1 as well.");
EXPECT_GE(doCtrlCommand("u %d", sock1.fd), 0);
EXPECT_FALSE(sock1.checkTag(valid_tag1, fake_uid2)) << "Tag should not be there";
}
TEST(pcmtest, CheckTimer) {
int ver = 0;
int fd = open("/dev/snd/timer", O_RDWR | O_NONBLOCK);
ASSERT_GE(fd, 0);
int ret = ioctl(fd, SNDRV_TIMER_IOCTL_PVERSION, &ver);
EXPECT_EQ(0, ret);
testPrintI(" Timer Version = 0x%x", ver);
close(fd);
}
/* checkTag() also tries to lookup the socket address in the kernel and
* return it when *addr == NULL.
* This allows for better look ups when another process is also setting the same
* tag + uid. But it is not fool proof.
* Without the kernel reporting more info on who setup the socket tag, it is
* not easily verifiable from user-space.
* Returns: true if tag found.
*/
bool SockInfo::checkTag(uint64_t acct_tag, uid_t uid) {
int res;
uint64_t k_tag;
uint32_t k_uid;
long dummy_count;
pid_t dummy_pid;
std::ifstream fctrl("/proc/net/xt_qtaguid/ctrl", std::fstream::in);
if(!fctrl.is_open()) {
testPrintI("qtaguid ctrl open failed!");
}
uint64_t full_tag = acct_tag | uid;
std::string buff = android::base::StringPrintf(" tag=0x%" PRIx64 " (uid=%u)", full_tag, uid);
if (addr) {
buff = android::base::StringPrintf("sock=%" PRIxPTR, (uintptr_t)addr) + buff;
}
testPrintI("looking for '%s'", buff.c_str());
std::string ctrl_data;
std::size_t pos = std::string::npos;
while(std::getline(fctrl, ctrl_data)) {
testPrintI("<ctrl_raw_data> : %s", ctrl_data.c_str());
pos = ctrl_data.find(buff);
if (pos != std::string::npos) {
if(!addr) {
testPrintI("matched data : %s", ctrl_data.c_str());
assert(sizeof(void*) == sizeof(long int));
res = sscanf(ctrl_data.c_str(),
"sock=%" SCNxPTR " tag=0x%" SCNx64 " (uid=%" SCNu32 ") pid=%u f_count=%lu",
(uintptr_t *)&addr, &k_tag, &k_uid, &dummy_pid, &dummy_count );
if (!(res == 5 && k_tag == full_tag && k_uid == uid)) {
testPrintE("Unable to read sock addr res=%d", res);
addr = 0;
} else {
testPrintI("Got sock_addr %lx", addr);
}
}
break;
}
}
return pos != std::string::npos;
}
int getSndDev(unsigned int pcmdevs)
{
DIR *d;
struct dirent *de;
unsigned int prevcard = -1;
d = opendir(kSoundDir);
if (d == 0)
return -ENXIO;
pcmnodes = (pcm_node_t *)malloc(pcmdevs * sizeof(pcm_node_t));
if (!pcmnodes)
return -ENOMEM;
pcms = 0;
while ((de = readdir(d)) != NULL) {
if (de->d_name[0] == '.')
continue;
/* printf("%s\n", de->d_name); */
if (strstr(de->d_name, PCM_PREFIX)) {
char flags;
EXPECT_LE(pcms, pcmdevs) << "Too many PCMs";
if (pcms >= pcmdevs)
continue;
sscanf(de->d_name, PCM_PREFIX "C%uD%u", &(pcmnodes[pcms].card),
&(pcmnodes[pcms].device));
flags = de->d_name[strlen(de->d_name)-1];
if (flags == 'c') {
pcmnodes[pcms].flags = PCM_IN;
} else if(flags == 'p') {
pcmnodes[pcms].flags = PCM_OUT;
} else {
pcmnodes[pcms].flags = -1;
testPrintI("Unknown PCM type = %c", flags);
}
if (prevcard != pcmnodes[pcms].card)
cards++;
prevcard = pcmnodes[pcms].card;
pcms++;
continue;
}
if (strstr(de->d_name, MIXER_PREFIX)) {
unsigned int mixer = -1;
sscanf(de->d_name, MIXER_PREFIX "C%u", &mixer);
mixers++;
continue;
}
if (strstr(de->d_name, TIMER_PREFIX)) {
timers++;
continue;
}
}
closedir(d);
return 0;
}
virtual void SetUp() {
ctrl_fd = -1;
dev_fd = -1;
my_uid = getuid();
my_pid = getpid();
srand48(my_pid * my_uid);
// Adjust fake UIDs and tags so that multiple instances can run in parallel.
fake_uid = testRand();
fake_uid2 = testRand();
valid_tag1 = ((uint64_t)my_pid << 48) | ((uint64_t)testRand() << 32);
valid_tag2 = ((uint64_t)my_pid << 48) | ((uint64_t)testRand() << 32);
valid_tag2 &= 0xffffff00ffffffffllu; // Leave some room to make counts visible.
testPrintI("* start: pid=%lu uid=%lu uid1=0x%lx/%lu uid2=0x%lx/%lu"
" tag1=0x%" PRIx64 "/%" PRIu64 " tag2=0x%" PRIx64 "/% " PRIu64,
(unsigned long)my_pid, (unsigned long)my_uid,
(unsigned long)fake_uid, (unsigned long)fake_uid,
(unsigned long)fake_uid2, (unsigned long)fake_uid2,
valid_tag1, valid_tag1, valid_tag2, valid_tag2);
max_uint_tag = 0xffffffff00000000llu;
max_uint_tag = 1llu << 63 | (((uint64_t)my_pid << 48) ^ max_uint_tag);
testPrintI("kernel has qtaguid");
ctrl_fd = openCtrl();
ASSERT_GE(ctrl_fd, 0) << "qtaguid ctrl open failed";
close(ctrl_fd);
dev_fd = open("/dev/xt_qtaguid", O_RDONLY);
EXPECT_GE(dev_fd, 0) << "qtaguid dev open failed";
// We want to clean up any previous faulty test runs.
testPrintI("delete command does not fail");
EXPECT_GE(doCtrlCommand("d 0 %u", fake_uid), 0) << "Failed to delete fake_uid";
EXPECT_GE(doCtrlCommand("d 0 %u", fake_uid2), 0) << "Failed to delete fake_uid2";
EXPECT_GE(doCtrlCommand("d 0 %u", my_uid), 0) << "Failed to delete my_uid";
testPrintI("setup sock0 and addr via tag");
ASSERT_FALSE(sock0.setup(valid_tag1)) << "socket0 setup failed";
testPrintI("setup sock1 and addr via tag");
ASSERT_FALSE(sock1.setup(valid_tag1)) << "socket1 setup failed";
}
TEST_F(SocketTaggingTest, TagData) {
max_uint_tag = 0xffffffff00000000llu;
char *max_tags_str;
testPrintI("setup tag limit");
asprintf(&max_tags_str, "%d", max_tags);
ASSERT_GE(writeModuleParam("max_sock_tags", max_tags_str), 0) << "Failed to setup tag limit";
testPrintI("tag quota reach limit");
for (int cnt = 0; cnt < max_tags; cnt++ ) {
uint64_t tag = valid_tag2 + ((uint64_t)cnt << 32);
EXPECT_GE(doCtrlCommand("t %d %" PRIu64 " %u", sock0.fd, tag , fake_uid2), 0)
<< "Tagging within limit failed";
EXPECT_TRUE(sock0.checkTag(tag, fake_uid2))<< "Unexpected results: tag not found";
}
testPrintI("tag quota go over limit");
uint64_t new_tag = valid_tag2 + ((uint64_t)max_tags << 32);
EXPECT_LT(doCtrlCommand("t %d %" PRIu64 " %u", sock0.fd, new_tag, fake_uid2), 0);
EXPECT_TRUE(sock0.checkTag(valid_tag2 + (((uint64_t)max_tags - 1) << 32),
fake_uid2)) << "Unexpected results: tag not found";
testPrintI("valid untag");
EXPECT_GE(doCtrlCommand("u %d", sock0.fd), 0);
EXPECT_FALSE(sock0.checkTag(valid_tag2 + (((uint64_t)max_tags - 1) << 32), fake_uid2))
<< "Untagged tag should not be there";
testPrintI("tag after untag should not free up max tags");
uint64_t new_tag2 = valid_tag2 + ((uint64_t)max_tags << 32);
EXPECT_LT(doCtrlCommand("t %d %" PRIu64 " %u", sock0.fd, new_tag2 , fake_uid2), 0);
EXPECT_FALSE(sock0.checkTag(valid_tag2 + ((uint64_t)max_tags << 32), fake_uid2))
<< "Tag should not be there";
testPrintI("delete one tag");
uint64_t new_tag3 = valid_tag2 + (((uint64_t)max_tags / 2) << 32);
EXPECT_GE(doCtrlCommand("d %" PRIu64 " %u", new_tag3, fake_uid2), 0);
testPrintI("2 tags after 1 delete pass/fail");
uint64_t new_tag4;
new_tag4 = valid_tag2 + (((uint64_t)max_tags + 1 ) << 32);
EXPECT_GE(doCtrlCommand("t %d %" PRIu64 " %u", sock0.fd, new_tag4 , fake_uid2), 0);
EXPECT_TRUE(sock0.checkTag(valid_tag2 + (((uint64_t)max_tags + 1) << 32), fake_uid2))
<< "Tag not found";
new_tag4 = valid_tag2 + (((uint64_t)max_tags + 2 ) << 32);
EXPECT_LT(doCtrlCommand("t %d %" PRIu64 " %u", sock0.fd, new_tag4 , fake_uid2), 0);
EXPECT_FALSE(sock0.checkTag(valid_tag2 + (((uint64_t)max_tags + 2) << 32), fake_uid2))
<< "Tag should not be there";
/* TODO(jpa): test tagging two different sockets with same tags and
* check refcounts the tag_node should be +2
*/
}
int doCtrlCommand(const char *fmt, ...) {
char *buff;
int ctrl;
int res;
va_list argp;
va_start(argp, fmt);
ctrl = openCtrl();
vasprintf(&buff, fmt, argp);
errno = 0;
res = write(ctrl, buff, strlen(buff));
testPrintI("cmd: '%s' res=%d %d/%s", buff, res, errno, strerror(errno));
close(ctrl);
free(buff);
va_end(argp);
return res;
}
/*
* Random Delay
*
* Delays for a random amount of time within the range given
* by the file scope variables delayMin and delayMax. The
* selected amount of delay can come from any part of the
* range, with a bias towards values closer to delayMin.
* The amount of bias is determined by the setting of DELAY_EXP.
* The setting of DELAY_EXP should always be > 1.0, with higher
* values causing a more significant bias toward the value
* of delayMin.
*/
void randDelay(void)
{
const unsigned long nanosecspersec = 1000000000;
float fract, biasedFract, amt;
struct timeval startTime, endTime;
// Obtain start time
gettimeofday(&startTime, NULL);
// Determine random amount to sleep.
// Values closer to delayMin are prefered by an amount
// determined by the value of DELAY_EXP.
fract = testRandFract();
biasedFract = pow(DELAY_EXP, fract) / pow(DELAY_EXP, 1.0);
amt = delayMin + ((delayMax - delayMin) * biasedFract);
// Delay
testDelay(amt);
// Obtain end time and display delta
gettimeofday(&endTime, NULL);
testPrintI("delay: %.2f",
(float) (tv2double(&endTime) - tv2double(&startTime)));
}
/*
* Main
*
* Performs the following high-level sequence of operations:
*
* 1. Command-line parsing
*
* 2. Initialization
*
* 3. Execute passes that repeatedly perform the WiFi load, scan,
* associate, unload sequence.
*
* 4. Restore state of WiFi driver to state it was at the
* start of the test.
*
* 5. Restart framework
*/
int
main(int argc, char *argv[])
{
FILE *fp;
int rv, opt;
int cpu;
char *chptr;
unsigned int pass;
char cmd[MAXCMD];
float duration = DEFAULT_DURATION;
unsigned int startPass = DEFAULT_START_PASS, endPass = DEFAULT_END_PASS;
struct timeval startTime, currentTime, delta;
testSetLogCatTag(LOG_TAG);
// Parse command line arguments
while ((opt = getopt(argc, argv, "d:D:s:e:p:t:?")) != -1) {
switch (opt) {
case 'd': // Minimum Delay
delayMin = strtod(optarg, &chptr);
if ((*chptr != '\0') || (delayMin < 0.0)) {
testPrintE("Invalid command-line specified minimum delay "
"of: %s", optarg);
exit(1);
}
break;
case 'D': // Maximum Delay
delayMax = strtod(optarg, &chptr);
if ((*chptr != '\0') || (delayMax < 0.0)) {
testPrintE("Invalid command-line specified maximum delay "
"of: %s", optarg);
exit(2);
}
break;
case 't': // Duration
duration = strtod(optarg, &chptr);
if ((*chptr != '\0') || (duration < 0.0)) {
testPrintE("Invalid command-line specified duration of: %s",
optarg);
exit(3);
}
break;
case 's': // Starting Pass
if (sFlag || pFlag) {
testPrintE("Invalid combination of command-line options,");
if (sFlag) {
testPrintE(" -s flag specified multiple times.");
} else {
testPrintE(" -s and -p flags are mutually exclusive.");
}
exit(10);
}
sFlag = true;
startPass = strtoul(optarg, &chptr, 10);
if (*chptr != '\0') {
testPrintE("Invalid command-line specified starting pass "
"of: %s", optarg);
exit(4);
}
break;
case 'e': // Ending Pass
if (eFlag || pFlag) {
testPrintE("Invalid combination of command-line options,");
if (sFlag) {
testPrintE(" -e flag specified multiple times.");
} else {
testPrintE(" -e and -p flags are mutually exclusive.");
}
exit(11);
}
eFlag = true;
endPass = strtoul(optarg, &chptr, 10);
if (*chptr != '\0') {
testPrintE("Invalid command-line specified ending pass "
"of: %s", optarg);
exit(5);
}
break;
case 'p': // Single Specific Pass
if (pFlag || sFlag || eFlag) {
testPrintE("Invalid combination of command-line options,");
if (pFlag) {
testPrintE(" -p flag specified multiple times.");
} else {
testPrintE(" -p and -%c flags are mutually exclusive.",
(sFlag) ? 's' : 'e');
}
exit(12);
}
pFlag = true;
endPass = startPass = strtoul(optarg, &chptr, 10);
if (*chptr != '\0') {
testPrintE("Invalid command-line specified pass "
"of: %s", optarg);
exit(13);
}
break;
case '?':
default:
testPrintE(" %s [options]", basename(argv[0]));
testPrintE(" options:");
testPrintE(" -s Starting pass");
testPrintE(" -e Ending pass");
testPrintE(" -p Specific single pass");
testPrintE(" -t Duration");
testPrintE(" -d Delay min");
testPrintE(" -D Delay max");
exit(((optopt == 0) || (optopt == '?')) ? 0 : 6);
}
}
if (delayMax < delayMin) {
testPrintE("Unexpected maximum delay less than minimum delay");
testPrintE(" delayMin: %f delayMax: %f", delayMin, delayMax);
exit(7);
}
if (endPass < startPass) {
testPrintE("Unexpected ending pass before starting pass");
testPrintE(" startPass: %u endPass: %u", startPass, endPass);
exit(8);
}
if (argc != optind) {
testPrintE("Unexpected command-line postional argument");
testPrintE(" %s [-s start_pass] [-e end_pass] [-d duration]",
basename(argv[0]));
exit(9);
}
testPrintI("duration: %g", duration);
testPrintI("startPass: %u", startPass);
testPrintI("endPass: %u", endPass);
testPrintI("delayMin: %f", delayMin);
testPrintI("delayMax: %f", delayMax);
init();
// For each pass
gettimeofday(&startTime, NULL);
for (pass = startPass; pass <= endPass; pass++) {
// Stop if duration of work has already been performed
gettimeofday(¤tTime, NULL);
delta = tvDelta(&startTime, ¤tTime);
if (tv2double(&delta) > duration) { break; }
testPrintI("==== Starting pass: %u", pass);
// Use a pass dependent sequence of random numbers
srand48(pass);
// Load WiFi Driver
randBind(&availCPU, &cpu);
if ((rv = wifi_load_driver()) != 0) {
testPrintE("CPU: %i wifi_load_driver() failed, rv: %i\n",
cpu, rv);
exit(20);
}
testPrintI("CPU: %i wifi_load_driver succeeded", cpu);
// Start Supplicant
randBind(&availCPU, &cpu);
if ((rv = wifi_start_supplicant(false)) != 0) {
testPrintE("CPU: %i wifi_start_supplicant() failed, rv: %i\n",
cpu, rv);
exit(21);
}
testPrintI("CPU: %i wifi_start_supplicant succeeded", cpu);
// Sleep a random amount of time
randDelay();
/*
* Obtain WiFi Status
* Half the time skip this step, which helps increase the
* level of randomization.
*/
if (testRandBool()) {
rv = snprintf(cmd, sizeof(cmd), "%s", CMD_STATUS);
if (rv >= (signed) sizeof(cmd) - 1) {
testPrintE("Command too long for: %s\n", CMD_STATUS);
exit(22);
}
testExecCmd(cmd);
}
// Stop Supplicant
randBind(&availCPU, &cpu);
if ((rv = wifi_stop_supplicant(false)) != 0) {
testPrintE("CPU: %i wifi_stop_supplicant() failed, rv: %i\n",
cpu, rv);
exit(23);
}
testPrintI("CPU: %i wifi_stop_supplicant succeeded", cpu);
// Unload WiFi Module
randBind(&availCPU, &cpu);
if ((rv = wifi_unload_driver()) != 0) {
testPrintE("CPU: %i wifi_unload_driver() failed, rv: %i\n",
cpu, rv);
exit(24);
}
testPrintI("CPU: %i wifi_unload_driver succeeded", cpu);
testPrintI("==== Completed pass: %u", pass);
}
// If needed restore WiFi driver to state it was in at the
// start of the test. It is assumed that it the driver
// was loaded, then the wpa_supplicant was also running.
if (driverLoadedAtStart) {
// Load driver
if ((rv = wifi_load_driver()) != 0) {
testPrintE("main load driver failed, rv: %i", rv);
exit(25);
}
// Start supplicant
if ((rv = wifi_start_supplicant(false)) != 0) {
testPrintE("main start supplicant failed, rv: %i", rv);
exit(26);
}
// Obtain WiFi Status
rv = snprintf(cmd, sizeof(cmd), "%s", CMD_STATUS);
if (rv >= (signed) sizeof(cmd) - 1) {
testPrintE("Command too long for: %s\n", CMD_STATUS);
exit(22);
}
testExecCmd(cmd);
}
// Start framework
rv = snprintf(cmd, sizeof(cmd), "%s", CMD_START_FRAMEWORK);
if (rv >= (signed) sizeof(cmd) - 1) {
testPrintE("Command too long for: %s\n", CMD_START_FRAMEWORK);
exit(27);
}
testExecCmd(cmd);
testPrintI("Successfully completed %u passes", pass - startPass);
return 0;
}
int testTagData(void) {
SockInfo sock0;
SockInfo sock1;
int res;
int total_errors = 0;
int ctrl_fd = -1;
int dev_fd = -1;
const uint64_t invalid_tag1 = 0x0000000100000001llu;
uint64_t valid_tag1;
uint64_t valid_tag2;
uint64_t max_uint_tag = 0xffffffff00000000llu;
uid_t fake_uid;
uid_t fake_uid2;
const char *test_name;
uid_t my_uid = getuid();
pid_t my_pid = getpid();
const int max_tags = 5;
srand48(my_pid * my_uid);
/* Adjust fake UIDs and tags so that multiple instances can run in parallel. */
fake_uid = testRand();
fake_uid2 = testRand();
valid_tag1 = ((uint64_t)my_pid << 48) | ((uint64_t)testRand() << 32);
valid_tag2 = ((uint64_t)my_pid << 48) | ((uint64_t)testRand() << 32);
valid_tag2 &= 0xffffff00ffffffffllu; // Leave some room to make counts visible.
testSetLogCatTag(LOG_TAG);
testPrintI("** %s ** ============================", __FUNCTION__);
testPrintI("* start: pid=%lu uid=%lu uid1=0x%lx/%lu uid2=0x%lx/%lu"
" tag1=0x%llx/%llu tag2=0x%llx/%llu",
my_pid, my_uid, fake_uid, fake_uid, fake_uid2, fake_uid2,
valid_tag1, valid_tag1, valid_tag2, valid_tag2);
// ---------------
test_name = "kernel has qtaguid";
testPrintI("* test: %s ", test_name);
ctrl_fd = openCtrl();
if (ctrl_fd < 0) {
testPrintE("qtaguid ctrl open failed: %s", strerror(errno));
return 1;
}
close(ctrl_fd);
dev_fd = open("/dev/xt_qtaguid", O_RDONLY);
if (dev_fd < 0) {
testPrintE("! %s: qtaguid dev open failed: %s", test_name, strerror(errno));
total_errors++;
}
// ---------------
test_name = "delete command doesn't fail";
testPrintI("* test: %s", test_name);
res = doCtrlCommand("d 0 %u", fake_uid);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
res = doCtrlCommand("d 0 %u", fake_uid2);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
res = doCtrlCommand("d 0 %u", my_uid);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
// ---------------
test_name = "setup sock0 and addr via tag";
testPrintI("* test: %s", test_name);
if (sock0.setup(valid_tag1)) {
testPrintE("socket setup failed: %s", strerror(errno));
return 1;
}
// ---------------
test_name = "setup sock1 and addr via tag";
testPrintI("* test: %s", test_name);
if (sock1.setup(valid_tag1)) {
testPrintE("socket setup failed: %s", strerror(errno));
return 1;
}
// ---------------
test_name = "setup tag limit";
testPrintI("* test: %s ", test_name);
char *max_tags_str;
asprintf(&max_tags_str, "%d", max_tags);
res = writeModuleParam("max_sock_tags", max_tags_str);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
free(max_tags_str);
return 1;
}
// ---------------
test_name = "tag quota reach limit";
testPrintI("* test: %s", test_name);
for (int cnt = 0; cnt < max_tags; cnt++ ) {
uint64_t new_tag = valid_tag2 + ((uint64_t)cnt << 32);
res = doCtrlCommand("t %d %llu %u", sock0.fd, new_tag , fake_uid2);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (!sock0.checkTag(new_tag, fake_uid2)) {
testPrintE("! %s: Unexpected results: tag not found", test_name);
total_errors++;
}
}
test_name = "tag quota go over limit";
testPrintI("* test: %s", test_name);
{
uint64_t new_tag = valid_tag2 + ((uint64_t)max_tags << 32);
res = doCtrlCommand("t %d %llu %u", sock0.fd, new_tag , fake_uid2);
if (res > 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (!sock0.checkTag(valid_tag2 + (((uint64_t)max_tags - 1) << 32), fake_uid2)) {
testPrintE("! %s: Unexpected results: tag not found", test_name);
total_errors++;
}
}
// ---------------
test_name = "valid untag";
testPrintI("* test: %s", test_name);
res = doCtrlCommand("u %d", sock0.fd);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (sock0.checkTag(valid_tag2 + (((uint64_t)max_tags - 1) << 32), fake_uid2)) {
testPrintE("! %s: Unexpected results: tag should not be there", test_name);
total_errors++;
}
// ---------------
test_name = "tag after untag shouldn't free up max tags";
testPrintI("* test: %s", test_name);
{
uint64_t new_tag = valid_tag2 + ((uint64_t)max_tags << 32);
res = doCtrlCommand("t %d %llu %u", sock0.fd, new_tag , fake_uid2);
if (res > 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (sock0.checkTag(valid_tag2 + ((uint64_t)max_tags << 32), fake_uid2)) {
testPrintE("! %s: Unexpected results: tag should not be there", test_name);
total_errors++;
}
}
// ---------------
test_name = "delete one tag";
testPrintI("* test: %s", test_name);
{
uint64_t new_tag = valid_tag2 + (((uint64_t)max_tags / 2) << 32);
res = doCtrlCommand("d %llu %u", new_tag, fake_uid2);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
}
// ---------------
test_name = "2 tags after 1 delete pass/fail";
testPrintI("* test: %s", test_name);
{
uint64_t new_tag;
new_tag = valid_tag2 + (((uint64_t)max_tags + 1 ) << 32);
res = doCtrlCommand("t %d %llu %u", sock0.fd, new_tag , fake_uid2);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (!sock0.checkTag(valid_tag2 + (((uint64_t)max_tags + 1) << 32), fake_uid2)) {
testPrintE("! %s: Unexpected results: tag not found", test_name);
total_errors++;
}
new_tag = valid_tag2 + (((uint64_t)max_tags + 2 ) << 32);
res = doCtrlCommand("t %d %llu %u", sock0.fd, new_tag , fake_uid2);
if (res > 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (sock0.checkTag(valid_tag2 + (((uint64_t)max_tags + 2) << 32), fake_uid2)) {
testPrintE("! %s: Unexpected results: tag should not be there", test_name);
total_errors++;
}
}
/* TODO(jpa): test tagging two different sockets with same tags and
* check refcounts the tag_node should be +2
*/
// ---------------
if (total_errors) {
testPrintE("! Errors found");
} else {
testPrintI("No Errors found");
}
done:
if (dev_fd >= 0) {
close(dev_fd);
}
if (ctrl_fd >= 0) {
close(ctrl_fd);
}
return total_errors;
}
/*----------------------------------------------------------------*/
int testSocketTagging(void) {
SockInfo sock0;
SockInfo sock1;
int res;
int total_errors = 0;
int ctrl_fd = -1;
int dev_fd = -1;
const uint64_t invalid_tag1 = 0x0000000100000001llu;
uint64_t valid_tag1;
uint64_t valid_tag2;
uint64_t max_uint_tag = 0xffffffff00000000llu;
uid_t fake_uid;
uid_t fake_uid2;
const char *test_name;
uid_t my_uid = getuid();
pid_t my_pid = getpid();
srand48(my_pid * my_uid);
/* Adjust fake UIDs and tags so that multiple instances can run in parallel. */
fake_uid = testRand();
fake_uid2 = testRand();
valid_tag1 = ((uint64_t)my_pid << 48) | ((uint64_t)testRand() << 32);
valid_tag2 = ((uint64_t)my_pid << 48) | ((uint64_t)testRand() << 32);
max_uint_tag = 1llu << 63 | (((uint64_t)my_pid << 48) ^ max_uint_tag);
testSetLogCatTag(LOG_TAG);
testPrintI("** %s ** ============================", __FUNCTION__);
testPrintI("* start: pid=%lu uid=%lu uid1=0x%lx/%lu uid2=0x%lx/%lu"
" tag1=0x%llx/%llu tag2=0x%llx/%llu",
my_pid, my_uid, fake_uid, fake_uid, fake_uid2, fake_uid2,
valid_tag1, valid_tag1, valid_tag2, valid_tag2);
// ---------------
test_name = "kernel has qtaguid";
testPrintI("* test: %s ", test_name);
ctrl_fd = openCtrl();
if (ctrl_fd < 0) {
testPrintE("qtaguid ctrl open failed: %s", strerror(errno));
total_errors++;
goto done;
}
close(ctrl_fd);
dev_fd = open("/dev/xt_qtaguid", O_RDONLY);
if (dev_fd < 0) {
testPrintE("qtaguid dev open failed: %s", strerror(errno));
total_errors++;
}
// ---------------
test_name = "delete command doesn't fail";
testPrintI("* test: %s", test_name);
res = doCtrlCommand("d 0 %u", fake_uid);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
res = doCtrlCommand("d 0 %u", fake_uid2);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
res = doCtrlCommand("d 0 %u", my_uid);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
// ---------------
test_name = "setup sock0 and addr via tag";
testPrintI("* test: %s", test_name);
if (sock0.setup(valid_tag1) < 0) {
testPrintE("socket setup failed: %s", strerror(errno));
total_errors++;
goto done;
}
// ---------------
test_name = "setup sock1 and addr via tag";
testPrintI("* test: %s", test_name);
if (sock1.setup(valid_tag1) < 0) {
testPrintE("socket setup failed: %s", strerror(errno));
total_errors++;
goto done;
}
// ---------------
test_name = "insufficient args. Expected failure";
testPrintI("* test: %s", test_name);
res = doCtrlCommand("t");
if (res > 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
// ---------------
test_name = "bad command. Expected failure";
testPrintI("* test: %s", test_name);
res = doCtrlCommand("?");
if (res > 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
// ---------------
test_name = "no tag, no uid";
testPrintI("* test: %s", test_name);
res = doCtrlCommand("t %d", sock0.fd);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (!sock0.checkTag(0, my_uid)) {
testPrintE("! %s: Unexpected results: tag not found", test_name);
total_errors++;
}
// ---------------
test_name = "invalid tag. Expected failure";
testPrintI("* test: %s", test_name);
res = doCtrlCommand("t %d %llu", sock0.fd, invalid_tag1);
if (res > 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (sock0.checkTag(invalid_tag1, my_uid)) {
testPrintE("! %s: Unexpected results: tag should not be there", test_name);
total_errors++;
}
// ---------------
test_name = "valid tag with no uid";
testPrintI("* test: %s", test_name);
res = doCtrlCommand("t %d %llu", sock0.fd, valid_tag1);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (!sock0.checkTag(valid_tag1, my_uid)) {
testPrintE("! %s: Unexpected results: tag not found", test_name);
total_errors++;
}
// ---------------
test_name = "valid untag";
testPrintI("* test: %s", test_name);
res = doCtrlCommand("u %d", sock0.fd);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (sock0.checkTag(valid_tag1, my_uid)) {
testPrintE("! %s: Unexpected results: tag not removed", test_name);
total_errors++;
}
// ---------------
test_name = "valid 1st tag";
testPrintI("* test: %s", test_name);
res = doCtrlCommand("t %d %llu %u", sock0.fd, valid_tag2, fake_uid);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (!sock0.checkTag(valid_tag2, fake_uid)) {
testPrintE("! %s: Unexpected results: tag not found", test_name);
total_errors++;
}
// ---------------
test_name = "valid re-tag";
testPrintI("* test: %s", test_name);
res = doCtrlCommand("t %d %llu %u", sock0.fd, valid_tag2, fake_uid);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (!sock0.checkTag(valid_tag2, fake_uid)) {
testPrintE("! %s: Unexpected results: tag not found", test_name);
total_errors++;
}
// ---------------
test_name = "valid re-tag with acct_tag change";
testPrintI("* test: %s", test_name);
res = doCtrlCommand("t %d %llu %u", sock0.fd, valid_tag1, fake_uid);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (!sock0.checkTag(valid_tag1, fake_uid)) {
testPrintE("! %s: Unexpected results: tag not found", test_name);
total_errors++;
}
// ---------------
test_name = "re-tag with uid change";
testPrintI("* test: %s", test_name);
res = doCtrlCommand("t %d %llu %u", sock0.fd, valid_tag2, fake_uid2);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (!sock0.checkTag(valid_tag2, fake_uid2)) {
testPrintE("! %s: Unexpected results: tag not found", test_name);
total_errors++;
}
// ---------------
test_name = "valid 64bit acct tag";
testPrintI("* test: %s", test_name);
res = doCtrlCommand("t %d %llu", sock0.fd, max_uint_tag);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (!sock0.checkTag(max_uint_tag, my_uid)) {
testPrintE("! %s: Unexpected results: tag not found", test_name);
total_errors++;
}
// ---------------
test_name = "tag another socket";
testPrintI("* test: %s", test_name);
res = doCtrlCommand("t %d %llu %u", sock1.fd, valid_tag1, fake_uid2);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (!sock1.checkTag(valid_tag1, fake_uid2)) {
testPrintE("! %s: Unexpected results: tag not found", test_name);
total_errors++;
}
// ---------------
test_name = "valid untag";
testPrintI("* test: %s", test_name);
res = doCtrlCommand("u %d", sock0.fd);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (sock0.checkTag(max_uint_tag, fake_uid)) {
testPrintE("! %s: Unexpected results: tag should not be there", test_name);
total_errors++;
}
if (!sock1.checkTag(valid_tag1, fake_uid2)) {
testPrintE("! %s: Unexpected results: tag not found", test_name);
total_errors++;
}
res = doCtrlCommand("u %d", sock1.fd);
if (res < 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (sock1.checkTag(valid_tag1, fake_uid2)) {
testPrintE("! %s: Unexpected results: tag should not be there", test_name);
total_errors++;
}
// ---------------
test_name = "invalid sock0.fd. Expected failure";
testPrintI("* test: %s", test_name);
close(sock0.fd);
res = doCtrlCommand("t %d %llu %u", sock0.fd, valid_tag1, my_uid);
if (res > 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (sock0.checkTag(valid_tag1, my_uid)) {
testPrintE("! %s: Unexpected results: tag should not be there", test_name);
total_errors++;
}
// ---------------
test_name = "invalid untag. Expected failure";
testPrintI("* test: %s", test_name);
close(sock1.fd);
res = doCtrlCommand("u %d", sock1.fd);
if (res > 0) {
testPrintE("! %s: Unexpected results", test_name);
total_errors++;
}
if (total_errors) {
testPrintE("! Errors found");
} else {
testPrintI("No Errors found");
}
done:
if (dev_fd >= 0) {
close(dev_fd);
}
if (ctrl_fd >= 0) {
close(ctrl_fd);
}
return total_errors;
}
TEST(pcmtest, GetSoundDevs) {
int err = getSndDev(pcms);
testPrintI(" DEVICES = PCMS:%u CARDS:%u MIXERS:%u TIMERS:%u",
pcms, cards, mixers, timers);
ASSERT_EQ(0, err);
}