#include "tests.h"
#include <pthread.h>
#include <assert.h>
#include <sys/event.h>
#include <sys/sysctl.h>
#include <mach/mach.h>
#include <AvailabilityMacros.h>
#include <libkern/OSByteOrder.h>
extern char g_target_path[ PATH_MAX ];
extern int g_skip_setuid_tests;
int msg_count = 14;
int last_msg_seen = 0;
pthread_cond_t my_cond = PTHREAD_COND_INITIALIZER;
pthread_mutex_t my_mutex = PTHREAD_MUTEX_INITIALIZER;
static kern_return_t
kmsg_send(mach_port_t remote_port, int index)
{
int msgh_id = 1000 + index;
kern_return_t my_kr;
mach_msg_header_t * my_kmsg = NULL;
mach_msg_size_t size = sizeof(mach_msg_header_t) + sizeof(int)*index;
my_kr = vm_allocate( mach_task_self(),
(vm_address_t *)&my_kmsg,
size,
VM_MAKE_TAG(VM_MEMORY_MACH_MSG) | TRUE );
if (my_kr != KERN_SUCCESS)
return my_kr;
my_kmsg->msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_COPY_SEND, 0);
my_kmsg->msgh_size = size;
my_kmsg->msgh_remote_port = remote_port;
my_kmsg->msgh_local_port = MACH_PORT_NULL;
my_kmsg->msgh_reserved = 0;
my_kmsg->msgh_id = msgh_id;
my_kr = mach_msg( my_kmsg,
MACH_SEND_MSG | MACH_MSG_OPTION_NONE,
size,
0,
MACH_PORT_NULL,
MACH_MSG_TIMEOUT_NONE,
MACH_PORT_NULL );
vm_deallocate( mach_task_self(), (vm_address_t)my_kmsg, size );
return my_kr;
}
static kern_return_t
kmsg_recv(mach_port_t portset, mach_port_t port, int * msgh_id_return)
{
kern_return_t my_kr;
mach_msg_header_t * my_kmsg = NULL;
my_kr = vm_allocate( mach_task_self(),
(vm_address_t *)&my_kmsg,
PAGE_SIZE,
VM_MAKE_TAG(VM_MEMORY_MACH_MSG) | TRUE );
if (my_kr != KERN_SUCCESS)
return my_kr;
my_kr = mach_msg( my_kmsg,
MACH_RCV_MSG | MACH_MSG_OPTION_NONE,
0,
PAGE_SIZE,
port,
MACH_MSG_TIMEOUT_NONE,
MACH_PORT_NULL );
if ( my_kr == KERN_SUCCESS &&
msgh_id_return != NULL )
*msgh_id_return = my_kmsg->msgh_id;
vm_deallocate( mach_task_self(), (vm_address_t)my_kmsg, PAGE_SIZE );
return my_kr;
}
static void *
kmsg_consumer_thread(void * arg)
{
#if !TARGET_OS_EMBEDDED
int my_kqueue = *(int *)arg;
int my_err;
kern_return_t my_kr;
struct kevent my_keventv[3];
int msgid;
EV_SET( &my_keventv[0], 0, 0, 0, 0, 0, 0 );
while ( !(my_keventv[0].filter == EVFILT_USER &&
my_keventv[0].ident == 0)) {
my_err = kevent( my_kqueue, NULL, 0, my_keventv, 1, NULL );
if ( my_err == -1 ) {
printf( "kevent call from consumer thread failed with error %d - \"%s\" \n", errno, strerror( errno) );
return (void *)-1;
}
if ( my_err == 0 ) {
printf( "kevent call from consumer thread did not return any events when it should have \n" );
return (void *)-1;
}
if ( my_keventv[0].filter == EVFILT_MACHPORT ) {
if ( my_keventv[0].data == 0 ) {
printf( "kevent call to get machport event returned 0 msg_size \n" );
return (void *)-1;
}
my_kr = kmsg_recv( my_keventv[0].ident, my_keventv[0].data, &msgid );
if ( my_kr != KERN_SUCCESS ) {
printf( "kmsg_recv failed with error %d - %s \n", my_kr, mach_error_string(my_kr) );
return (void *)-1;
}
my_keventv[0].flags = EV_ENABLE;
my_err = kevent( my_kqueue, my_keventv, 1, NULL, 0, NULL );
if ( my_err == -1 ) {
printf( "kevent call to re-enable machport events failed with error %d - \"%s\" \n", errno, strerror( errno) );
return (void *)-1;
}
if (msgid == 1000 + msg_count) {
pthread_mutex_lock(&my_mutex);
last_msg_seen = 1;
pthread_cond_signal(&my_cond);
pthread_mutex_unlock(&my_mutex);
}
}
}
return (void *)0;
#else
printf( "\t--> Not supported on EMBEDDED TARGET\n" );
return (void *)0;
#endif
}
int kqueue_tests( void * the_argp )
{
int my_err, my_status;
void *my_pthread_join_status;
int my_kqueue = -1;
int my_kqueue64 = -1;
int my_fd = -1;
char * my_pathp = NULL;
pid_t my_pid, my_wait_pid;
size_t my_count, my_index;
int my_sockets[ 2 ] = {-1, -1};
struct kevent my_keventv[3];
#if !TARGET_OS_EMBEDDED
struct kevent64_s my_kevent64;
#endif
struct timespec my_timeout;
char my_buffer[ 16 ];
kern_return_t kr;
kr = vm_allocate((vm_map_t) mach_task_self(), (vm_address_t*)&my_pathp, PATH_MAX, VM_FLAGS_ANYWHERE);
if(kr != KERN_SUCCESS){
printf( "vm_allocate failed with error %d - \"%s\" \n", errno, strerror( errno) );
goto test_failed_exit;
}
*my_pathp = 0x00;
strcat( my_pathp, &g_target_path[0] );
strcat( my_pathp, "/" );
my_err = create_random_name( my_pathp, 1 );
if ( my_err != 0 ) {
goto test_failed_exit;
}
my_fd = open( my_pathp, O_RDWR, 0 );
if ( my_fd == -1 ) {
printf( "open call failed with error %d - \"%s\" \n", errno, strerror( errno) );
goto test_failed_exit;
}
my_err = socketpair( AF_UNIX, SOCK_STREAM, 0, &my_sockets[0] );
if ( my_err == -1 ) {
printf( "socketpair failed with errno %d - %s \n", errno, strerror( errno ) );
goto test_failed_exit;
}
my_pid = fork( );
if ( my_pid == -1 ) {
printf( "fork failed with errno %d - %s \n", errno, strerror( errno ) );
goto test_failed_exit;
}
else if ( my_pid == 0 ) {
my_count = write( my_sockets[1], "r", 1 );
if ( my_count == -1 ) {
printf( "write call failed. got errno %d - %s. \n", errno, strerror( errno ) );
exit( -1 );
}
my_count = read( my_sockets[1], &my_buffer[0], 1 );
if ( my_count == -1 ) {
printf( "read call failed with error %d - \"%s\" \n", errno, strerror( errno) );
exit( -1 );
}
if ( my_buffer[0] != 'g' ) {
printf( "read call on socket failed to get \"all done\" message \n" );
exit( -1 );
}
my_count = write( my_fd, "11111111", 8 );
if ( my_count == -1 ) {
printf( "write call failed with error %d - \"%s\" \n", errno, strerror( errno) );
exit( -1 );
}
my_err = unlink( my_pathp );
if ( my_err == -1 ) {
printf( "unlink failed with error %d - \"%s\" \n", errno, strerror( errno) );
exit( -1 );
}
my_count = read( my_sockets[1], &my_buffer[0], 1 );
if ( my_count == -1 ) {
printf( "read call failed with error %d - \"%s\" \n", errno, strerror( errno) );
exit( -1 );
}
if ( my_buffer[0] != 'e' ) {
printf( "read call on socket failed to get \"all done\" message \n" );
exit( -1 );
}
exit(0);
}
my_count = read( my_sockets[0], &my_buffer[0], sizeof(my_buffer) );
if ( my_count == -1 ) {
printf( "read call failed with error %d - \"%s\" \n", errno, strerror( errno) );
goto test_failed_exit;
}
if ( my_buffer[0] != 'r' ) {
printf( "read call on socket failed to get \"ready to go message\" \n" );
goto test_failed_exit;
}
my_kqueue = kqueue( );
if ( my_kqueue == -1 ) {
printf( "kqueue call failed with error %d - \"%s\" \n", errno, strerror( errno) );
goto test_failed_exit;
}
EV_SET( &my_keventv[0], my_fd, EVFILT_VNODE, (EV_ADD | EV_CLEAR), (NOTE_DELETE | NOTE_WRITE), 0, 0 );
EV_SET( &my_keventv[1], my_pid, EVFILT_PROC, (EV_ADD | EV_ONESHOT), NOTE_EXIT, 0, 0 );
my_timeout.tv_sec = 0;
my_timeout.tv_nsec = 0;
my_err = kevent( my_kqueue, my_keventv, 2, NULL, 0, &my_timeout);
if ( my_err == -1 ) {
printf( "kevent call to register events failed with error %d - \"%s\" \n", errno, strerror( errno) );
goto test_failed_exit;
}
#if !TARGET_OS_EMBEDDED
EV_SET64( &my_kevent64, my_pid, EVFILT_PROC, EV_ADD, NOTE_EXIT, 0, 0, 0, 0 );
my_err = kevent64( my_kqueue, &my_kevent64, 1, NULL, 0, 0, 0);
if ( my_err != -1 && errno != EINVAL ) {
printf( "kevent64 call should fail with kqueue used for kevent() - %d\n", my_err);
goto test_failed_exit;
}
my_kqueue64 = kqueue();
EV_SET64( &my_kevent64, my_pid, EVFILT_PROC, EV_ADD, NOTE_EXIT, 0, 0, 0, 0 );
my_err = kevent64( my_kqueue64, &my_kevent64, 1, NULL, 0, 0, 0);
if ( my_err == -1 ) {
printf( "kevent64 call to get proc exit failed with error %d - \"%s\" \n", errno, strerror( errno) );
goto test_failed_exit;
}
#endif
my_count = write( my_sockets[0], "g", 1 );
if ( my_count == -1 ) {
printf( "write call failed. got errno %d - %s. \n", errno, strerror( errno ) );
goto test_failed_exit;
}
EV_SET( &my_keventv[0], my_fd, EVFILT_VNODE, (EV_CLEAR), 0, 0, 0 );
my_err = kevent( my_kqueue, NULL, 0, my_keventv, 1, NULL );
if ( my_err == -1 ) {
printf( "kevent call to get vnode events failed with error %d - \"%s\" \n", errno, strerror( errno) );
goto test_failed_exit;
}
if ( my_err == 0 ) {
printf( "kevent call to get vnode events did not return any when it should have \n" );
goto test_failed_exit;
}
if ( (my_keventv[0].fflags & (NOTE_DELETE | NOTE_WRITE)) == 0 ) {
printf( "kevent call to get vnode events did not return NOTE_DELETE or NOTE_WRITE \n" );
printf( "fflags 0x%02X \n", my_keventv[0].fflags );
goto test_failed_exit;
}
my_count = write( my_sockets[0], "e", 1 );
if ( my_count == -1 ) {
printf( "write call failed. got errno %d - %s. \n", errno, strerror( errno ) );
goto test_failed_exit;
}
EV_SET( &my_keventv[0], my_fd, EVFILT_VNODE, EV_DELETE, 0, 0, 0 );
my_err = kevent( my_kqueue, my_keventv, 1, my_keventv, 1, NULL );
if ( my_err == -1 ) {
printf( "kevent call to get proc exit event failed with error %d - \"%s\" \n", errno, strerror( errno) );
goto test_failed_exit;
}
if ( my_err == 0 ) {
printf( "kevent call to get proc exit event did not return any when it should have \n" );
goto test_failed_exit;
}
if ( my_keventv[0].filter != EVFILT_PROC ) {
printf( "kevent call to get proc exit event did not return EVFILT_PROC \n" );
printf( "filter %i \n", my_keventv[0].filter );
goto test_failed_exit;
}
if ( (my_keventv[0].fflags & NOTE_EXIT) == 0 ) {
printf( "kevent call to get proc exit event did not return NOTE_EXIT \n" );
printf( "fflags 0x%02X \n", my_keventv[0].fflags );
goto test_failed_exit;
}
#if !TARGET_OS_EMBEDDED
EV_SET64( &my_kevent64, my_pid, EVFILT_PROC, EV_CLEAR, NOTE_EXIT, 0, 0, 0, 0 );
my_err = kevent64( my_kqueue64, NULL, 0, &my_kevent64, 1, 0, 0);
if ( my_err == -1 ) {
printf( "kevent64 call to get child exit failed with error %d - \"%s\" \n", errno, strerror( errno) );
goto test_failed_exit;
}
if ( my_err == 0 ) {
printf( "kevent64 call to get proc exit event did not return any when it should have \n" );
goto test_failed_exit;
}
if ( my_kevent64.filter != EVFILT_PROC ) {
printf( "kevent64 call to get proc exit event did not return EVFILT_PROC \n" );
printf( "filter %i \n", my_kevent64.filter );
goto test_failed_exit;
}
if ( (my_kevent64.fflags & NOTE_EXIT) == 0 ) {
printf( "kevent64 call to get proc exit event did not return NOTE_EXIT \n" );
printf( "fflags 0x%02X \n", my_kevent64.fflags );
goto test_failed_exit;
}
my_wait_pid = wait4( my_pid, &my_status, 0, NULL );
if ( my_wait_pid == -1 ) {
printf( "wait4 failed with errno %d - %s \n", errno, strerror( errno ) );
goto test_failed_exit;
}
if ( my_wait_pid != my_pid ) {
printf( "wait4 did not return child pid - returned %d should be %d \n", my_wait_pid, my_pid );
goto test_failed_exit;
}
if ( WIFEXITED( my_status ) && WEXITSTATUS( my_status ) != 0 ) {
printf( "wait4 returned wrong exit status - 0x%02X \n", my_status );
goto test_failed_exit;
}
mach_port_t my_pset = MACH_PORT_NULL;
mach_port_t my_port = MACH_PORT_NULL;
kern_return_t my_kr;
my_kr = mach_port_allocate( mach_task_self(), MACH_PORT_RIGHT_PORT_SET, &my_pset );
if ( my_kr != KERN_SUCCESS ) {
printf( "mach_port_allocate failed with error %d - %s \n", my_kr, mach_error_string(my_kr) );
goto test_failed_exit;
}
my_kr = mach_port_allocate( mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &my_port );
if ( my_kr != KERN_SUCCESS ) {
printf( "mach_port_allocate failed with error %d - %s \n", my_kr, mach_error_string(my_kr) );
goto test_failed_exit;
}
EV_SET( &my_keventv[0], my_port, EVFILT_MACHPORT, (EV_ADD | EV_DISPATCH), 0, 0, 0 );
my_err = kevent( my_kqueue, my_keventv, 1, NULL, 0, NULL );
if ( my_err != -1 || errno != ENOTSUP ) {
printf( "kevent call to register my_port should have failed, but got %s \n", strerror(errno) );
goto test_failed_exit;
}
EV_SET( &my_keventv[0], my_pset, EVFILT_MACHPORT, (EV_ADD | EV_CLEAR | EV_DISPATCH), 0, 0, 0 );
EV_SET( &my_keventv[1], 0, EVFILT_USER, EV_ADD, 0, 0, 0 );
my_err = kevent( my_kqueue, my_keventv, 2, NULL, 0, NULL );
if ( my_err == -1 ) {
printf( "kevent call to register my_pset and user 0 failed with error %d - %s \n", errno, strerror( errno) );
goto test_failed_exit;
}
pthread_t my_threadv[3];
for (my_index = 0;
my_index < 3;
my_index++) {
my_err = pthread_create( &my_threadv[my_index], NULL, kmsg_consumer_thread, (void *)&my_kqueue );
if ( my_err != 0 ) {
printf( "pthread_create failed with error %d - %s \n", my_err, strerror(my_err) );
goto test_failed_exit;
}
}
my_kr = mach_port_insert_member( mach_task_self(), my_port, my_pset );
if ( my_kr != KERN_SUCCESS ) {
printf( "mach_port_insert_member failed with error %d - %s \n", my_kr, mach_error_string(my_kr) );
goto test_failed_exit;
}
my_kr = mach_port_insert_right( mach_task_self(), my_port, my_port, MACH_MSG_TYPE_MAKE_SEND );
if ( my_kr != KERN_SUCCESS ) {
printf( "mach_port_insert_right failed with error %d - %s \n", my_kr, mach_error_string(my_kr) );
goto test_failed_exit;
}
for (my_index = 1;
my_index <= msg_count;
my_index++) {
my_kr = kmsg_send( my_port, my_index );
if ( my_kr != KERN_SUCCESS ) {
printf( "kmsg_send failed with error %d - %s \n", my_kr, mach_error_string(my_kr) );
goto test_failed_exit;
}
}
pthread_mutex_lock(&my_mutex);
while (last_msg_seen == 0)
pthread_cond_wait(&my_cond, &my_mutex);
pthread_mutex_unlock(&my_mutex);
EV_SET( &my_keventv[0], 0, EVFILT_USER, 0, NOTE_TRIGGER, 0, 0 );
my_err = kevent( my_kqueue, my_keventv, 1, NULL, 0, NULL );
if ( my_err == -1 ) {
printf( "kevent call to trigger user 0 failed with error %d - %s \n", errno, strerror( errno) );
goto test_failed_exit;
}
for (my_index = 0;
my_index < 3;
my_index++) {
my_err = pthread_join( my_threadv[my_index], &my_pthread_join_status );
if ( my_err != 0 ) {
printf( "pthread_join failed with error %d - %s \n", my_err, strerror(my_err) );
goto test_failed_exit;
}
if ( my_pthread_join_status != 0 ) {
goto test_failed_exit;
}
}
EV_SET( &my_keventv[0], 0, EVFILT_USER, EV_CLEAR, 0, 0, 0 );
my_err = kevent( my_kqueue, my_keventv, 1, NULL, 0, NULL );
if ( my_err == -1 ) {
printf( "kevent call to trigger user 0 failed with error %d - %s \n", errno, strerror( errno) );
goto test_failed_exit;
}
my_kr = mach_port_mod_refs( mach_task_self(), my_pset, MACH_PORT_RIGHT_PORT_SET, -1 );
if ( my_kr != KERN_SUCCESS ) {
printf( "mach_port_mod_refs failed with error %d - %s \n", my_kr, mach_error_string(my_kr) );
goto test_failed_exit;
}
my_err = kevent( my_kqueue, NULL, 0, my_keventv, 1, NULL );
if ( my_err == -1 ) {
printf( "kevent call to get machport event failed with error %d - \"%s\" \n", errno, strerror( errno) );
goto test_failed_exit;
}
if ( my_err == 0 ) {
printf( "kevent call to get machport event did not return any when it should have \n" );
goto test_failed_exit;
}
if ( my_keventv[0].filter != EVFILT_MACHPORT ) {
printf( "kevent call to get machport event did not return EVFILT_MACHPORT \n" );
printf( "filter %i \n", my_keventv[0].filter );
goto test_failed_exit;
}
if ( my_keventv[0].data != 0 ) {
printf( "kevent call to get machport event did not return 0 msg_size \n" );
printf( "data %ld \n", (long int) my_keventv[0].data );
goto test_failed_exit;
}
#endif
my_err = 0;
goto test_passed_exit;
test_failed_exit:
my_err = -1;
test_passed_exit:
if ( my_sockets[0] != -1 )
close( my_sockets[0] );
if ( my_sockets[1] != -1 )
close( my_sockets[1] );
if ( my_kqueue != -1 )
close( my_kqueue );
if ( my_kqueue64 != -1 )
close( my_kqueue );
if ( my_fd != -1 )
close( my_fd );
if ( my_pathp != NULL ) {
remove( my_pathp );
vm_deallocate(mach_task_self(), (vm_address_t)my_pathp, PATH_MAX);
}
return( my_err );
}