Implement two new syscalls: bind(2) and connect(2) for operating on UNIX

domain sockets.
This commit is contained in:
pjd 2010-08-06 19:16:20 +00:00
parent f5f8eecb32
commit 14f2fd5269

View File

@ -28,6 +28,8 @@
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
@ -63,6 +65,8 @@ enum action {
ACTION_SYMLINK,
ACTION_RENAME,
ACTION_MKFIFO,
ACTION_BIND,
ACTION_CONNECT,
ACTION_CHMOD,
#ifdef HAS_LCHMOD
ACTION_LCHMOD,
@ -110,6 +114,8 @@ static struct syscall_desc syscalls[] = {
{ "symlink", ACTION_SYMLINK, { TYPE_STRING, TYPE_STRING, TYPE_NONE } },
{ "rename", ACTION_RENAME, { TYPE_STRING, TYPE_STRING, TYPE_NONE } },
{ "mkfifo", ACTION_MKFIFO, { TYPE_STRING, TYPE_NUMBER, TYPE_NONE } },
{ "bind", ACTION_BIND, { TYPE_STRING, TYPE_NONE } },
{ "connect", ACTION_CONNECT, { TYPE_STRING, TYPE_NONE } },
{ "chmod", ACTION_CHMOD, { TYPE_STRING, TYPE_NUMBER, TYPE_NONE } },
#ifdef HAS_LCHMOD
{ "lchmod", ACTION_LCHMOD, { TYPE_STRING, TYPE_NUMBER, TYPE_NONE } },
@ -496,6 +502,32 @@ call_syscall(struct syscall_desc *scall, char *argv[])
case ACTION_MKFIFO:
rval = mkfifo(STR(0), (mode_t)NUM(1));
break;
case ACTION_BIND:
{
struct sockaddr_un sun;
sun.sun_family = AF_UNIX;
strlcpy(sun.sun_path, STR(0), sizeof(sun.sun_path));
sun.sun_len = SUN_LEN(&sun);
rval = socket(AF_UNIX, SOCK_STREAM, 0);
if (rval < 0)
break;
rval = bind(rval, (struct sockaddr *)&sun, sizeof(sun));
break;
}
case ACTION_CONNECT:
{
struct sockaddr_un sun;
sun.sun_family = AF_UNIX;
strlcpy(sun.sun_path, STR(0), sizeof(sun.sun_path));
sun.sun_len = SUN_LEN(&sun);
rval = socket(AF_UNIX, SOCK_STREAM, 0);
if (rval < 0)
break;
rval = connect(rval, (struct sockaddr *)&sun, sizeof(sun));
break;
}
case ACTION_CHMOD:
rval = chmod(STR(0), (mode_t)NUM(1));
break;