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1275 |
phoenix |
/* $Id: timod.c,v 1.1.1.1 2004-04-15 01:33:57 phoenix Exp $
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* timod.c: timod emulation.
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*
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* Copyright (C) 1998 Patrik Rak (prak3264@ss1000.ms.mff.cuni.cz)
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*
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* Streams & timod emulation based on code
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* Copyright (C) 1995, 1996 Mike Jagdis (jaggy@purplet.demon.co.uk)
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*
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*/
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/smp.h>
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#include <linux/smp_lock.h>
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#include <linux/ioctl.h>
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#include <linux/fs.h>
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#include <linux/file.h>
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#include <linux/netdevice.h>
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#include <linux/poll.h>
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#include <net/sock.h>
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#include <asm/uaccess.h>
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#include <asm/termios.h>
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#include "conv.h"
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#include "socksys.h"
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extern asmlinkage int sys_ioctl(unsigned int fd, unsigned int cmd,
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unsigned long arg);
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extern asmlinkage int sys32_ioctl(unsigned int fd, unsigned int cmd,
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u32 arg);
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asmlinkage int solaris_ioctl(unsigned int fd, unsigned int cmd, u32 arg);
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static spinlock_t timod_pagelock = SPIN_LOCK_UNLOCKED;
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static char * page = NULL ;
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#ifndef DEBUG_SOLARIS_KMALLOC
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#define mykmalloc kmalloc
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#define mykfree kfree
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#else
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void * mykmalloc(size_t s, int gfp)
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{
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static char * page;
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static size_t free;
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void * r;
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s = ((s + 63) & ~63);
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if( s > PAGE_SIZE ) {
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SOLD("too big size, calling real kmalloc");
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return kmalloc(s, gfp);
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}
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if( s > free ) {
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/* we are wasting memory, but we don't care */
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page = (char *)__get_free_page(gfp);
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free = PAGE_SIZE;
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}
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r = page;
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page += s;
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free -= s;
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return r;
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}
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void mykfree(void *p)
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{
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}
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#endif
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#ifndef DEBUG_SOLARIS
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#define BUF_SIZE PAGE_SIZE
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#define PUT_MAGIC(a,m)
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#define SCHECK_MAGIC(a,m)
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#define BUF_OFFSET 0
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#define MKCTL_TRAILER 0
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#else
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#define BUF_SIZE (PAGE_SIZE-2*sizeof(u64))
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#define BUFPAGE_MAGIC 0xBADC0DEDDEADBABEL
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#define MKCTL_MAGIC 0xDEADBABEBADC0DEDL
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#define PUT_MAGIC(a,m) do{(*(u64*)(a))=(m);}while(0)
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#define SCHECK_MAGIC(a,m) do{if((*(u64*)(a))!=(m))printk("%s,%u,%s(): magic %08x at %p corrupted!\n",\
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__FILE__,__LINE__,__FUNCTION__,(m),(a));}while(0)
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#define BUF_OFFSET sizeof(u64)
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#define MKCTL_TRAILER sizeof(u64)
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#endif
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static char *getpage( void )
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{
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char *r;
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SOLD("getting page");
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spin_lock(&timod_pagelock);
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if (page) {
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r = page;
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page = NULL;
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spin_unlock(&timod_pagelock);
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SOLD("got cached");
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return r + BUF_OFFSET;
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}
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spin_unlock(&timod_pagelock);
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SOLD("getting new");
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r = (char *)__get_free_page(GFP_KERNEL);
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PUT_MAGIC(r,BUFPAGE_MAGIC);
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PUT_MAGIC(r+PAGE_SIZE-sizeof(u64),BUFPAGE_MAGIC);
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return r + BUF_OFFSET;
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}
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static void putpage(char *p)
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{
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SOLD("putting page");
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p = p - BUF_OFFSET;
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SCHECK_MAGIC(p,BUFPAGE_MAGIC);
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SCHECK_MAGIC(p+PAGE_SIZE-sizeof(u64),BUFPAGE_MAGIC);
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spin_lock(&timod_pagelock);
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if (page) {
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spin_unlock(&timod_pagelock);
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free_page((unsigned long)p);
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SOLD("freed it");
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} else {
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page = p;
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spin_unlock(&timod_pagelock);
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SOLD("cached it");
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}
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}
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static struct T_primsg *timod_mkctl(int size)
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{
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struct T_primsg *it;
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SOLD("creating primsg");
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it = (struct T_primsg *)mykmalloc(size+sizeof(*it)-sizeof(s32)+2*MKCTL_TRAILER, GFP_KERNEL);
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if (it) {
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SOLD("got it");
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it->pri = MSG_HIPRI;
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it->length = size;
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PUT_MAGIC((char*)((u64)(((char *)&it->type)+size+7)&~7),MKCTL_MAGIC);
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}
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return it;
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}
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static void timod_wake_socket(unsigned int fd)
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{
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struct socket *sock;
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SOLD("wakeing socket");
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sock = ¤t->files->fd[fd]->f_dentry->d_inode->u.socket_i;
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wake_up_interruptible(&sock->wait);
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read_lock(&sock->sk->callback_lock);
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if (sock->fasync_list && !test_bit(SOCK_ASYNC_WAITDATA, &sock->flags))
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__kill_fasync(sock->fasync_list, SIGIO, POLL_IN);
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read_unlock(&sock->sk->callback_lock);
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SOLD("done");
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}
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static void timod_queue(unsigned int fd, struct T_primsg *it)
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{
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struct sol_socket_struct *sock;
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SOLD("queuing primsg");
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sock = (struct sol_socket_struct *)current->files->fd[fd]->private_data;
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it->next = sock->pfirst;
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sock->pfirst = it;
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if (!sock->plast)
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sock->plast = it;
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timod_wake_socket(fd);
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SOLD("done");
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}
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| 175 |
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static void timod_queue_end(unsigned int fd, struct T_primsg *it)
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{
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struct sol_socket_struct *sock;
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SOLD("queuing primsg at end");
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sock = (struct sol_socket_struct *)current->files->fd[fd]->private_data;
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it->next = NULL;
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if (sock->plast)
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sock->plast->next = it;
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else
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sock->pfirst = it;
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sock->plast = it;
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SOLD("done");
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}
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static void timod_error(unsigned int fd, int prim, int terr, int uerr)
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{
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struct T_primsg *it;
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SOLD("making error");
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it = timod_mkctl(sizeof(struct T_error_ack));
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if (it) {
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struct T_error_ack *err = (struct T_error_ack *)&it->type;
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| 199 |
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SOLD("got it");
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err->PRIM_type = T_ERROR_ACK;
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err->ERROR_prim = prim;
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err->TLI_error = terr;
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err->UNIX_error = uerr; /* FIXME: convert this */
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timod_queue(fd, it);
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}
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| 206 |
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SOLD("done");
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}
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| 208 |
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| 209 |
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static void timod_ok(unsigned int fd, int prim)
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| 210 |
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{
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| 211 |
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struct T_primsg *it;
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struct T_ok_ack *ok;
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| 213 |
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| 214 |
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SOLD("creating ok ack");
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it = timod_mkctl(sizeof(*ok));
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| 216 |
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if (it) {
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| 217 |
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SOLD("got it");
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| 218 |
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ok = (struct T_ok_ack *)&it->type;
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| 219 |
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ok->PRIM_type = T_OK_ACK;
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| 220 |
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ok->CORRECT_prim = prim;
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| 221 |
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timod_queue(fd, it);
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}
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| 223 |
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SOLD("done");
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| 224 |
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}
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| 225 |
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| 226 |
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static int timod_optmgmt(unsigned int fd, int flag, char *opt_buf, int opt_len, int do_ret)
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{
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| 228 |
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int error, failed;
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| 229 |
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int ret_space, ret_len;
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| 230 |
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long args[5];
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| 231 |
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char *ret_pos,*ret_buf;
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| 232 |
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int (*sys_socketcall)(int, unsigned long *) =
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| 233 |
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(int (*)(int, unsigned long *))SYS(socketcall);
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| 234 |
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mm_segment_t old_fs = get_fs();
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| 235 |
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| 236 |
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SOLD("entry");
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| 237 |
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SOLDD(("fd %u flg %u buf %p len %u doret %u",fd,flag,opt_buf,opt_len,do_ret));
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| 238 |
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if (!do_ret && (!opt_buf || opt_len <= 0))
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| 239 |
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return 0;
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| 240 |
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SOLD("getting page");
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| 241 |
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ret_pos = ret_buf = getpage();
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| 242 |
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ret_space = BUF_SIZE;
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| 243 |
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ret_len = 0;
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| 244 |
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| 245 |
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error = failed = 0;
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| 246 |
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SOLD("looping");
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| 247 |
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while(opt_len >= sizeof(struct opthdr)) {
|
| 248 |
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struct opthdr *opt;
|
| 249 |
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int orig_opt_len;
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| 250 |
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SOLD("loop start");
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| 251 |
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opt = (struct opthdr *)ret_pos;
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| 252 |
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if (ret_space < sizeof(struct opthdr)) {
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| 253 |
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failed = TSYSERR;
|
| 254 |
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break;
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| 255 |
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}
|
| 256 |
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SOLD("getting opthdr");
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| 257 |
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if (copy_from_user(opt, opt_buf, sizeof(struct opthdr)) ||
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| 258 |
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opt->len > opt_len) {
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| 259 |
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failed = TBADOPT;
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| 260 |
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break;
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| 261 |
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}
|
| 262 |
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SOLD("got opthdr");
|
| 263 |
|
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if (flag == T_NEGOTIATE) {
|
| 264 |
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char *buf;
|
| 265 |
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|
| 266 |
|
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SOLD("handling T_NEGOTIATE");
|
| 267 |
|
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buf = ret_pos + sizeof(struct opthdr);
|
| 268 |
|
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if (ret_space < opt->len + sizeof(struct opthdr) ||
|
| 269 |
|
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copy_from_user(buf, opt_buf+sizeof(struct opthdr), opt->len)) {
|
| 270 |
|
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failed = TSYSERR;
|
| 271 |
|
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break;
|
| 272 |
|
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}
|
| 273 |
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SOLD("got optdata");
|
| 274 |
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args[0] = fd;
|
| 275 |
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args[1] = opt->level;
|
| 276 |
|
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args[2] = opt->name;
|
| 277 |
|
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args[3] = (long)buf;
|
| 278 |
|
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args[4] = opt->len;
|
| 279 |
|
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SOLD("calling SETSOCKOPT");
|
| 280 |
|
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set_fs(KERNEL_DS);
|
| 281 |
|
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error = sys_socketcall(SYS_SETSOCKOPT, args);
|
| 282 |
|
|
set_fs(old_fs);
|
| 283 |
|
|
if (error) {
|
| 284 |
|
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failed = TBADOPT;
|
| 285 |
|
|
break;
|
| 286 |
|
|
}
|
| 287 |
|
|
SOLD("SETSOCKOPT ok");
|
| 288 |
|
|
}
|
| 289 |
|
|
orig_opt_len = opt->len;
|
| 290 |
|
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opt->len = ret_space - sizeof(struct opthdr);
|
| 291 |
|
|
if (opt->len < 0) {
|
| 292 |
|
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failed = TSYSERR;
|
| 293 |
|
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break;
|
| 294 |
|
|
}
|
| 295 |
|
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args[0] = fd;
|
| 296 |
|
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args[1] = opt->level;
|
| 297 |
|
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args[2] = opt->name;
|
| 298 |
|
|
args[3] = (long)(ret_pos+sizeof(struct opthdr));
|
| 299 |
|
|
args[4] = (long)&opt->len;
|
| 300 |
|
|
SOLD("calling GETSOCKOPT");
|
| 301 |
|
|
set_fs(KERNEL_DS);
|
| 302 |
|
|
error = sys_socketcall(SYS_GETSOCKOPT, args);
|
| 303 |
|
|
set_fs(old_fs);;
|
| 304 |
|
|
if (error) {
|
| 305 |
|
|
failed = TBADOPT;
|
| 306 |
|
|
break;
|
| 307 |
|
|
}
|
| 308 |
|
|
SOLD("GETSOCKOPT ok");
|
| 309 |
|
|
ret_space -= sizeof(struct opthdr) + opt->len;
|
| 310 |
|
|
ret_len += sizeof(struct opthdr) + opt->len;
|
| 311 |
|
|
ret_pos += sizeof(struct opthdr) + opt->len;
|
| 312 |
|
|
opt_len -= sizeof(struct opthdr) + orig_opt_len;
|
| 313 |
|
|
opt_buf += sizeof(struct opthdr) + orig_opt_len;
|
| 314 |
|
|
SOLD("loop end");
|
| 315 |
|
|
}
|
| 316 |
|
|
SOLD("loop done");
|
| 317 |
|
|
if (do_ret) {
|
| 318 |
|
|
SOLD("generating ret msg");
|
| 319 |
|
|
if (failed)
|
| 320 |
|
|
timod_error(fd, T_OPTMGMT_REQ, failed, -error);
|
| 321 |
|
|
else {
|
| 322 |
|
|
struct T_primsg *it;
|
| 323 |
|
|
it = timod_mkctl(sizeof(struct T_optmgmt_ack) + ret_len);
|
| 324 |
|
|
if (it) {
|
| 325 |
|
|
struct T_optmgmt_ack *ack =
|
| 326 |
|
|
(struct T_optmgmt_ack *)&it->type;
|
| 327 |
|
|
SOLD("got primsg");
|
| 328 |
|
|
ack->PRIM_type = T_OPTMGMT_ACK;
|
| 329 |
|
|
ack->OPT_length = ret_len;
|
| 330 |
|
|
ack->OPT_offset = sizeof(struct T_optmgmt_ack);
|
| 331 |
|
|
ack->MGMT_flags = (failed ? T_FAILURE : flag);
|
| 332 |
|
|
memcpy(((char*)ack)+sizeof(struct T_optmgmt_ack),
|
| 333 |
|
|
ret_buf, ret_len);
|
| 334 |
|
|
timod_queue(fd, it);
|
| 335 |
|
|
}
|
| 336 |
|
|
}
|
| 337 |
|
|
}
|
| 338 |
|
|
SOLDD(("put_page %p\n", ret_buf));
|
| 339 |
|
|
putpage(ret_buf);
|
| 340 |
|
|
SOLD("done");
|
| 341 |
|
|
return 0;
|
| 342 |
|
|
}
|
| 343 |
|
|
|
| 344 |
|
|
int timod_putmsg(unsigned int fd, char *ctl_buf, int ctl_len,
|
| 345 |
|
|
char *data_buf, int data_len, int flags)
|
| 346 |
|
|
{
|
| 347 |
|
|
int ret, error, terror;
|
| 348 |
|
|
char *buf;
|
| 349 |
|
|
struct file *filp;
|
| 350 |
|
|
struct inode *ino;
|
| 351 |
|
|
struct sol_socket_struct *sock;
|
| 352 |
|
|
mm_segment_t old_fs = get_fs();
|
| 353 |
|
|
long args[6];
|
| 354 |
|
|
int (*sys_socketcall)(int, unsigned long *) =
|
| 355 |
|
|
(int (*)(int, unsigned long *))SYS(socketcall);
|
| 356 |
|
|
int (*sys_sendto)(int, void *, size_t, unsigned, struct sockaddr *, int) =
|
| 357 |
|
|
(int (*)(int, void *, size_t, unsigned, struct sockaddr *, int))SYS(sendto);
|
| 358 |
|
|
filp = current->files->fd[fd];
|
| 359 |
|
|
ino = filp->f_dentry->d_inode;
|
| 360 |
|
|
sock = (struct sol_socket_struct *)filp->private_data;
|
| 361 |
|
|
SOLD("entry");
|
| 362 |
|
|
if (get_user(ret, (int *)A(ctl_buf)))
|
| 363 |
|
|
return -EFAULT;
|
| 364 |
|
|
switch (ret) {
|
| 365 |
|
|
case T_BIND_REQ:
|
| 366 |
|
|
{
|
| 367 |
|
|
struct T_bind_req req;
|
| 368 |
|
|
|
| 369 |
|
|
SOLDD(("bind %016lx(%016lx)\n", sock, filp));
|
| 370 |
|
|
SOLD("T_BIND_REQ");
|
| 371 |
|
|
if (sock->state != TS_UNBND) {
|
| 372 |
|
|
timod_error(fd, T_BIND_REQ, TOUTSTATE, 0);
|
| 373 |
|
|
return 0;
|
| 374 |
|
|
}
|
| 375 |
|
|
SOLD("state ok");
|
| 376 |
|
|
if (copy_from_user(&req, ctl_buf, sizeof(req))) {
|
| 377 |
|
|
timod_error(fd, T_BIND_REQ, TSYSERR, EFAULT);
|
| 378 |
|
|
return 0;
|
| 379 |
|
|
}
|
| 380 |
|
|
SOLD("got ctl req");
|
| 381 |
|
|
if (req.ADDR_offset && req.ADDR_length) {
|
| 382 |
|
|
if (req.ADDR_length > BUF_SIZE) {
|
| 383 |
|
|
timod_error(fd, T_BIND_REQ, TSYSERR, EFAULT);
|
| 384 |
|
|
return 0;
|
| 385 |
|
|
}
|
| 386 |
|
|
SOLD("req size ok");
|
| 387 |
|
|
buf = getpage();
|
| 388 |
|
|
if (copy_from_user(buf, ctl_buf + req.ADDR_offset, req.ADDR_length)) {
|
| 389 |
|
|
timod_error(fd, T_BIND_REQ, TSYSERR, EFAULT);
|
| 390 |
|
|
putpage(buf);
|
| 391 |
|
|
return 0;
|
| 392 |
|
|
}
|
| 393 |
|
|
SOLD("got ctl data");
|
| 394 |
|
|
args[0] = fd;
|
| 395 |
|
|
args[1] = (long)buf;
|
| 396 |
|
|
args[2] = req.ADDR_length;
|
| 397 |
|
|
SOLD("calling BIND");
|
| 398 |
|
|
set_fs(KERNEL_DS);
|
| 399 |
|
|
error = sys_socketcall(SYS_BIND, args);
|
| 400 |
|
|
set_fs(old_fs);
|
| 401 |
|
|
putpage(buf);
|
| 402 |
|
|
SOLD("BIND returned");
|
| 403 |
|
|
} else
|
| 404 |
|
|
error = 0;
|
| 405 |
|
|
if (!error) {
|
| 406 |
|
|
struct T_primsg *it;
|
| 407 |
|
|
if (req.CONIND_number) {
|
| 408 |
|
|
args[0] = fd;
|
| 409 |
|
|
args[1] = req.CONIND_number;
|
| 410 |
|
|
SOLD("calling LISTEN");
|
| 411 |
|
|
set_fs(KERNEL_DS);
|
| 412 |
|
|
error = sys_socketcall(SYS_LISTEN, args);
|
| 413 |
|
|
set_fs(old_fs);
|
| 414 |
|
|
SOLD("LISTEN done");
|
| 415 |
|
|
}
|
| 416 |
|
|
it = timod_mkctl(sizeof(struct T_bind_ack)+sizeof(struct sockaddr));
|
| 417 |
|
|
if (it) {
|
| 418 |
|
|
struct T_bind_ack *ack;
|
| 419 |
|
|
|
| 420 |
|
|
ack = (struct T_bind_ack *)&it->type;
|
| 421 |
|
|
ack->PRIM_type = T_BIND_ACK;
|
| 422 |
|
|
ack->ADDR_offset = sizeof(*ack);
|
| 423 |
|
|
ack->ADDR_length = sizeof(struct sockaddr);
|
| 424 |
|
|
ack->CONIND_number = req.CONIND_number;
|
| 425 |
|
|
args[0] = fd;
|
| 426 |
|
|
args[1] = (long)(ack+sizeof(*ack));
|
| 427 |
|
|
args[2] = (long)&ack->ADDR_length;
|
| 428 |
|
|
set_fs(KERNEL_DS);
|
| 429 |
|
|
sys_socketcall(SYS_GETSOCKNAME,args);
|
| 430 |
|
|
set_fs(old_fs);
|
| 431 |
|
|
sock->state = TS_IDLE;
|
| 432 |
|
|
timod_ok(fd, T_BIND_REQ);
|
| 433 |
|
|
timod_queue_end(fd, it);
|
| 434 |
|
|
SOLD("BIND done");
|
| 435 |
|
|
return 0;
|
| 436 |
|
|
}
|
| 437 |
|
|
}
|
| 438 |
|
|
SOLD("some error");
|
| 439 |
|
|
switch (error) {
|
| 440 |
|
|
case -EINVAL:
|
| 441 |
|
|
terror = TOUTSTATE;
|
| 442 |
|
|
error = 0;
|
| 443 |
|
|
break;
|
| 444 |
|
|
case -EACCES:
|
| 445 |
|
|
terror = TACCES;
|
| 446 |
|
|
error = 0;
|
| 447 |
|
|
break;
|
| 448 |
|
|
case -EADDRNOTAVAIL:
|
| 449 |
|
|
case -EADDRINUSE:
|
| 450 |
|
|
terror = TNOADDR;
|
| 451 |
|
|
error = 0;
|
| 452 |
|
|
break;
|
| 453 |
|
|
default:
|
| 454 |
|
|
terror = TSYSERR;
|
| 455 |
|
|
break;
|
| 456 |
|
|
}
|
| 457 |
|
|
timod_error(fd, T_BIND_REQ, terror, -error);
|
| 458 |
|
|
SOLD("BIND done");
|
| 459 |
|
|
return 0;
|
| 460 |
|
|
}
|
| 461 |
|
|
case T_CONN_REQ:
|
| 462 |
|
|
{
|
| 463 |
|
|
struct T_conn_req req;
|
| 464 |
|
|
unsigned short oldflags;
|
| 465 |
|
|
struct T_primsg *it;
|
| 466 |
|
|
SOLD("T_CONN_REQ");
|
| 467 |
|
|
if (sock->state != TS_UNBND && sock->state != TS_IDLE) {
|
| 468 |
|
|
timod_error(fd, T_CONN_REQ, TOUTSTATE, 0);
|
| 469 |
|
|
return 0;
|
| 470 |
|
|
}
|
| 471 |
|
|
SOLD("state ok");
|
| 472 |
|
|
if (copy_from_user(&req, ctl_buf, sizeof(req))) {
|
| 473 |
|
|
timod_error(fd, T_CONN_REQ, TSYSERR, EFAULT);
|
| 474 |
|
|
return 0;
|
| 475 |
|
|
}
|
| 476 |
|
|
SOLD("got ctl req");
|
| 477 |
|
|
if (ctl_len > BUF_SIZE) {
|
| 478 |
|
|
timod_error(fd, T_CONN_REQ, TSYSERR, EFAULT);
|
| 479 |
|
|
return 0;
|
| 480 |
|
|
}
|
| 481 |
|
|
SOLD("req size ok");
|
| 482 |
|
|
buf = getpage();
|
| 483 |
|
|
if (copy_from_user(buf, ctl_buf, ctl_len)) {
|
| 484 |
|
|
timod_error(fd, T_CONN_REQ, TSYSERR, EFAULT);
|
| 485 |
|
|
putpage(buf);
|
| 486 |
|
|
return 0;
|
| 487 |
|
|
}
|
| 488 |
|
|
#ifdef DEBUG_SOLARIS
|
| 489 |
|
|
{
|
| 490 |
|
|
char * ptr = buf;
|
| 491 |
|
|
int len = ctl_len;
|
| 492 |
|
|
printk("returned data (%d bytes): ",len);
|
| 493 |
|
|
while( len-- ) {
|
| 494 |
|
|
if (!(len & 7))
|
| 495 |
|
|
printk(" ");
|
| 496 |
|
|
printk("%02x",(unsigned char)*ptr++);
|
| 497 |
|
|
}
|
| 498 |
|
|
printk("\n");
|
| 499 |
|
|
}
|
| 500 |
|
|
#endif
|
| 501 |
|
|
SOLD("got ctl data");
|
| 502 |
|
|
args[0] = fd;
|
| 503 |
|
|
args[1] = (long)buf+req.DEST_offset;
|
| 504 |
|
|
args[2] = req.DEST_length;
|
| 505 |
|
|
oldflags = filp->f_flags;
|
| 506 |
|
|
filp->f_flags &= ~O_NONBLOCK;
|
| 507 |
|
|
SOLD("calling CONNECT");
|
| 508 |
|
|
set_fs(KERNEL_DS);
|
| 509 |
|
|
error = sys_socketcall(SYS_CONNECT, args);
|
| 510 |
|
|
set_fs(old_fs);
|
| 511 |
|
|
filp->f_flags = oldflags;
|
| 512 |
|
|
SOLD("CONNECT done");
|
| 513 |
|
|
if (!error) {
|
| 514 |
|
|
struct T_conn_con *con;
|
| 515 |
|
|
SOLD("no error");
|
| 516 |
|
|
it = timod_mkctl(ctl_len);
|
| 517 |
|
|
if (!it) {
|
| 518 |
|
|
putpage(buf);
|
| 519 |
|
|
return -ENOMEM;
|
| 520 |
|
|
}
|
| 521 |
|
|
con = (struct T_conn_con *)&it->type;
|
| 522 |
|
|
#ifdef DEBUG_SOLARIS
|
| 523 |
|
|
{
|
| 524 |
|
|
char * ptr = buf;
|
| 525 |
|
|
int len = ctl_len;
|
| 526 |
|
|
printk("returned data (%d bytes): ",len);
|
| 527 |
|
|
while( len-- ) {
|
| 528 |
|
|
if (!(len & 7))
|
| 529 |
|
|
printk(" ");
|
| 530 |
|
|
printk("%02x",(unsigned char)*ptr++);
|
| 531 |
|
|
}
|
| 532 |
|
|
printk("\n");
|
| 533 |
|
|
}
|
| 534 |
|
|
#endif
|
| 535 |
|
|
memcpy(con, buf, ctl_len);
|
| 536 |
|
|
SOLD("copied ctl_buf");
|
| 537 |
|
|
con->PRIM_type = T_CONN_CON;
|
| 538 |
|
|
sock->state = TS_DATA_XFER;
|
| 539 |
|
|
} else {
|
| 540 |
|
|
struct T_discon_ind *dis;
|
| 541 |
|
|
SOLD("some error");
|
| 542 |
|
|
it = timod_mkctl(sizeof(*dis));
|
| 543 |
|
|
if (!it) {
|
| 544 |
|
|
putpage(buf);
|
| 545 |
|
|
return -ENOMEM;
|
| 546 |
|
|
}
|
| 547 |
|
|
SOLD("got primsg");
|
| 548 |
|
|
dis = (struct T_discon_ind *)&it->type;
|
| 549 |
|
|
dis->PRIM_type = T_DISCON_IND;
|
| 550 |
|
|
dis->DISCON_reason = -error; /* FIXME: convert this as in iABI_errors() */
|
| 551 |
|
|
dis->SEQ_number = 0;
|
| 552 |
|
|
}
|
| 553 |
|
|
putpage(buf);
|
| 554 |
|
|
timod_ok(fd, T_CONN_REQ);
|
| 555 |
|
|
it->pri = 0;
|
| 556 |
|
|
timod_queue_end(fd, it);
|
| 557 |
|
|
SOLD("CONNECT done");
|
| 558 |
|
|
return 0;
|
| 559 |
|
|
}
|
| 560 |
|
|
case T_OPTMGMT_REQ:
|
| 561 |
|
|
{
|
| 562 |
|
|
struct T_optmgmt_req req;
|
| 563 |
|
|
SOLD("OPTMGMT_REQ");
|
| 564 |
|
|
if (copy_from_user(&req, ctl_buf, sizeof(req)))
|
| 565 |
|
|
return -EFAULT;
|
| 566 |
|
|
SOLD("got req");
|
| 567 |
|
|
return timod_optmgmt(fd, req.MGMT_flags,
|
| 568 |
|
|
req.OPT_offset > 0 ? ctl_buf + req.OPT_offset : NULL,
|
| 569 |
|
|
req.OPT_length, 1);
|
| 570 |
|
|
}
|
| 571 |
|
|
case T_UNITDATA_REQ:
|
| 572 |
|
|
{
|
| 573 |
|
|
struct T_unitdata_req req;
|
| 574 |
|
|
|
| 575 |
|
|
int err;
|
| 576 |
|
|
SOLD("T_UNITDATA_REQ");
|
| 577 |
|
|
if (sock->state != TS_IDLE && sock->state != TS_DATA_XFER) {
|
| 578 |
|
|
timod_error(fd, T_CONN_REQ, TOUTSTATE, 0);
|
| 579 |
|
|
return 0;
|
| 580 |
|
|
}
|
| 581 |
|
|
SOLD("state ok");
|
| 582 |
|
|
if (copy_from_user(&req, ctl_buf, sizeof(req))) {
|
| 583 |
|
|
timod_error(fd, T_CONN_REQ, TSYSERR, EFAULT);
|
| 584 |
|
|
return 0;
|
| 585 |
|
|
}
|
| 586 |
|
|
SOLD("got ctl req");
|
| 587 |
|
|
#ifdef DEBUG_SOLARIS
|
| 588 |
|
|
{
|
| 589 |
|
|
char * ptr = ctl_buf+req.DEST_offset;
|
| 590 |
|
|
int len = req.DEST_length;
|
| 591 |
|
|
printk("socket address (%d bytes): ",len);
|
| 592 |
|
|
while( len-- ) {
|
| 593 |
|
|
char c;
|
| 594 |
|
|
if (get_user(c,ptr))
|
| 595 |
|
|
printk("??");
|
| 596 |
|
|
else
|
| 597 |
|
|
printk("%02x",(unsigned char)c);
|
| 598 |
|
|
ptr++;
|
| 599 |
|
|
}
|
| 600 |
|
|
printk("\n");
|
| 601 |
|
|
}
|
| 602 |
|
|
#endif
|
| 603 |
|
|
err = sys_sendto(fd, data_buf, data_len, 0, req.DEST_length > 0 ? (struct sockaddr*)(ctl_buf+req.DEST_offset) : NULL, req.DEST_length);
|
| 604 |
|
|
if (err == data_len)
|
| 605 |
|
|
return 0;
|
| 606 |
|
|
if(err >= 0) {
|
| 607 |
|
|
printk("timod: sendto failed to send all the data\n");
|
| 608 |
|
|
return 0;
|
| 609 |
|
|
}
|
| 610 |
|
|
timod_error(fd, T_CONN_REQ, TSYSERR, -err);
|
| 611 |
|
|
return 0;
|
| 612 |
|
|
}
|
| 613 |
|
|
default:
|
| 614 |
|
|
printk(KERN_INFO "timod_putmsg: unsupported command %u.\n", ret);
|
| 615 |
|
|
break;
|
| 616 |
|
|
}
|
| 617 |
|
|
return -EINVAL;
|
| 618 |
|
|
}
|
| 619 |
|
|
|
| 620 |
|
|
int timod_getmsg(unsigned int fd, char *ctl_buf, int ctl_maxlen, s32 *ctl_len,
|
| 621 |
|
|
char *data_buf, int data_maxlen, s32 *data_len, int *flags_p)
|
| 622 |
|
|
{
|
| 623 |
|
|
int error;
|
| 624 |
|
|
int oldflags;
|
| 625 |
|
|
struct file *filp;
|
| 626 |
|
|
struct inode *ino;
|
| 627 |
|
|
struct sol_socket_struct *sock;
|
| 628 |
|
|
struct T_unitdata_ind udi;
|
| 629 |
|
|
mm_segment_t old_fs = get_fs();
|
| 630 |
|
|
long args[6];
|
| 631 |
|
|
char *tmpbuf;
|
| 632 |
|
|
int tmplen;
|
| 633 |
|
|
int (*sys_socketcall)(int, unsigned long *) =
|
| 634 |
|
|
(int (*)(int, unsigned long *))SYS(socketcall);
|
| 635 |
|
|
int (*sys_recvfrom)(int, void *, size_t, unsigned, struct sockaddr *, int *);
|
| 636 |
|
|
|
| 637 |
|
|
SOLD("entry");
|
| 638 |
|
|
SOLDD(("%u %p %d %p %p %d %p %d\n", fd, ctl_buf, ctl_maxlen, ctl_len, data_buf, data_maxlen, data_len, *flags_p));
|
| 639 |
|
|
filp = current->files->fd[fd];
|
| 640 |
|
|
ino = filp->f_dentry->d_inode;
|
| 641 |
|
|
sock = (struct sol_socket_struct *)filp->private_data;
|
| 642 |
|
|
SOLDD(("%p %p\n", sock->pfirst, sock->pfirst ? sock->pfirst->next : NULL));
|
| 643 |
|
|
if ( ctl_maxlen > 0 && !sock->pfirst && ino->u.socket_i.type == SOCK_STREAM
|
| 644 |
|
|
&& sock->state == TS_IDLE) {
|
| 645 |
|
|
SOLD("calling LISTEN");
|
| 646 |
|
|
args[0] = fd;
|
| 647 |
|
|
args[1] = -1;
|
| 648 |
|
|
set_fs(KERNEL_DS);
|
| 649 |
|
|
sys_socketcall(SYS_LISTEN, args);
|
| 650 |
|
|
set_fs(old_fs);
|
| 651 |
|
|
SOLD("LISTEN done");
|
| 652 |
|
|
}
|
| 653 |
|
|
if (!(filp->f_flags & O_NONBLOCK)) {
|
| 654 |
|
|
poll_table wait_table, *wait;
|
| 655 |
|
|
|
| 656 |
|
|
poll_initwait(&wait_table);
|
| 657 |
|
|
wait = &wait_table;
|
| 658 |
|
|
for(;;) {
|
| 659 |
|
|
SOLD("loop");
|
| 660 |
|
|
set_current_state(TASK_INTERRUPTIBLE);
|
| 661 |
|
|
/* ! ( l<0 || ( l>=0 && ( ! pfirst || (flags == HIPRI && pri != HIPRI) ) ) ) */
|
| 662 |
|
|
/* ( ! l<0 && ! ( l>=0 && ( ! pfirst || (flags == HIPRI && pri != HIPRI) ) ) ) */
|
| 663 |
|
|
/* ( l>=0 && ( ! l>=0 || ! ( ! pfirst || (flags == HIPRI && pri != HIPRI) ) ) ) */
|
| 664 |
|
|
/* ( l>=0 && ( l<0 || ( pfirst && ! (flags == HIPRI && pri != HIPRI) ) ) ) */
|
| 665 |
|
|
/* ( l>=0 && ( l<0 || ( pfirst && (flags != HIPRI || pri == HIPRI) ) ) ) */
|
| 666 |
|
|
/* ( l>=0 && ( pfirst && (flags != HIPRI || pri == HIPRI) ) ) */
|
| 667 |
|
|
if (ctl_maxlen >= 0 && sock->pfirst && (*flags_p != MSG_HIPRI || sock->pfirst->pri == MSG_HIPRI))
|
| 668 |
|
|
break;
|
| 669 |
|
|
SOLD("cond 1 passed");
|
| 670 |
|
|
if (
|
| 671 |
|
|
#if 1
|
| 672 |
|
|
*flags_p != MSG_HIPRI &&
|
| 673 |
|
|
#endif
|
| 674 |
|
|
((filp->f_op->poll(filp, wait) & POLLIN) ||
|
| 675 |
|
|
(filp->f_op->poll(filp, NULL) & POLLIN) ||
|
| 676 |
|
|
signal_pending(current))
|
| 677 |
|
|
) {
|
| 678 |
|
|
break;
|
| 679 |
|
|
}
|
| 680 |
|
|
if( *flags_p == MSG_HIPRI ) {
|
| 681 |
|
|
SOLD("avoiding lockup");
|
| 682 |
|
|
break ;
|
| 683 |
|
|
}
|
| 684 |
|
|
if(wait_table.error) {
|
| 685 |
|
|
SOLD("wait-table error");
|
| 686 |
|
|
poll_freewait(&wait_table);
|
| 687 |
|
|
return wait_table.error;
|
| 688 |
|
|
}
|
| 689 |
|
|
SOLD("scheduling");
|
| 690 |
|
|
schedule();
|
| 691 |
|
|
}
|
| 692 |
|
|
SOLD("loop done");
|
| 693 |
|
|
current->state = TASK_RUNNING;
|
| 694 |
|
|
poll_freewait(&wait_table);
|
| 695 |
|
|
if (signal_pending(current)) {
|
| 696 |
|
|
SOLD("signal pending");
|
| 697 |
|
|
return -EINTR;
|
| 698 |
|
|
}
|
| 699 |
|
|
}
|
| 700 |
|
|
if (ctl_maxlen >= 0 && sock->pfirst) {
|
| 701 |
|
|
struct T_primsg *it = sock->pfirst;
|
| 702 |
|
|
int l = min_t(int, ctl_maxlen, it->length);
|
| 703 |
|
|
SCHECK_MAGIC((char*)((u64)(((char *)&it->type)+sock->offset+it->length+7)&~7),MKCTL_MAGIC);
|
| 704 |
|
|
SOLD("purting ctl data");
|
| 705 |
|
|
if(copy_to_user(ctl_buf,
|
| 706 |
|
|
(char*)&it->type + sock->offset, l))
|
| 707 |
|
|
return -EFAULT;
|
| 708 |
|
|
SOLD("pur it");
|
| 709 |
|
|
if(put_user(l, ctl_len))
|
| 710 |
|
|
return -EFAULT;
|
| 711 |
|
|
SOLD("set ctl_len");
|
| 712 |
|
|
*flags_p = it->pri;
|
| 713 |
|
|
it->length -= l;
|
| 714 |
|
|
if (it->length) {
|
| 715 |
|
|
SOLD("more ctl");
|
| 716 |
|
|
sock->offset += l;
|
| 717 |
|
|
return MORECTL;
|
| 718 |
|
|
} else {
|
| 719 |
|
|
SOLD("removing message");
|
| 720 |
|
|
sock->pfirst = it->next;
|
| 721 |
|
|
if (!sock->pfirst)
|
| 722 |
|
|
sock->plast = NULL;
|
| 723 |
|
|
SOLDD(("getmsg kfree %016lx->%016lx\n", it, sock->pfirst));
|
| 724 |
|
|
mykfree(it);
|
| 725 |
|
|
sock->offset = 0;
|
| 726 |
|
|
SOLD("ctl done");
|
| 727 |
|
|
return 0;
|
| 728 |
|
|
}
|
| 729 |
|
|
}
|
| 730 |
|
|
*flags_p = 0;
|
| 731 |
|
|
if (ctl_maxlen >= 0) {
|
| 732 |
|
|
SOLD("ACCEPT perhaps?");
|
| 733 |
|
|
if (ino->u.socket_i.type == SOCK_STREAM && sock->state == TS_IDLE) {
|
| 734 |
|
|
struct T_conn_ind ind;
|
| 735 |
|
|
char *buf = getpage();
|
| 736 |
|
|
int len = BUF_SIZE;
|
| 737 |
|
|
|
| 738 |
|
|
SOLD("trying ACCEPT");
|
| 739 |
|
|
if (put_user(ctl_maxlen - sizeof(ind), ctl_len))
|
| 740 |
|
|
return -EFAULT;
|
| 741 |
|
|
args[0] = fd;
|
| 742 |
|
|
args[1] = (long)buf;
|
| 743 |
|
|
args[2] = (long)&len;
|
| 744 |
|
|
oldflags = filp->f_flags;
|
| 745 |
|
|
filp->f_flags |= O_NONBLOCK;
|
| 746 |
|
|
SOLD("calling ACCEPT");
|
| 747 |
|
|
set_fs(KERNEL_DS);
|
| 748 |
|
|
error = sys_socketcall(SYS_ACCEPT, args);
|
| 749 |
|
|
set_fs(old_fs);
|
| 750 |
|
|
filp->f_flags = oldflags;
|
| 751 |
|
|
if (error < 0) {
|
| 752 |
|
|
SOLD("some error");
|
| 753 |
|
|
putpage(buf);
|
| 754 |
|
|
return error;
|
| 755 |
|
|
}
|
| 756 |
|
|
if (error) {
|
| 757 |
|
|
SOLD("connect");
|
| 758 |
|
|
putpage(buf);
|
| 759 |
|
|
if (sizeof(ind) > ctl_maxlen) {
|
| 760 |
|
|
SOLD("generating CONN_IND");
|
| 761 |
|
|
ind.PRIM_type = T_CONN_IND;
|
| 762 |
|
|
ind.SRC_length = len;
|
| 763 |
|
|
ind.SRC_offset = sizeof(ind);
|
| 764 |
|
|
ind.OPT_length = ind.OPT_offset = 0;
|
| 765 |
|
|
ind.SEQ_number = error;
|
| 766 |
|
|
if(copy_to_user(ctl_buf, &ind, sizeof(ind))||
|
| 767 |
|
|
put_user(sizeof(ind)+ind.SRC_length,ctl_len))
|
| 768 |
|
|
return -EFAULT;
|
| 769 |
|
|
SOLD("CONN_IND created");
|
| 770 |
|
|
}
|
| 771 |
|
|
if (data_maxlen >= 0)
|
| 772 |
|
|
put_user(0, data_len);
|
| 773 |
|
|
SOLD("CONN_IND done");
|
| 774 |
|
|
return 0;
|
| 775 |
|
|
}
|
| 776 |
|
|
if (len>ctl_maxlen) {
|
| 777 |
|
|
SOLD("data don't fit");
|
| 778 |
|
|
putpage(buf);
|
| 779 |
|
|
return -EFAULT; /* XXX - is this ok ? */
|
| 780 |
|
|
}
|
| 781 |
|
|
if(copy_to_user(ctl_buf,buf,len) || put_user(len,ctl_len)){
|
| 782 |
|
|
SOLD("can't copy data");
|
| 783 |
|
|
putpage(buf);
|
| 784 |
|
|
return -EFAULT;
|
| 785 |
|
|
}
|
| 786 |
|
|
SOLD("ACCEPT done");
|
| 787 |
|
|
putpage(buf);
|
| 788 |
|
|
}
|
| 789 |
|
|
}
|
| 790 |
|
|
SOLD("checking data req");
|
| 791 |
|
|
if (data_maxlen <= 0) {
|
| 792 |
|
|
if (data_maxlen == 0)
|
| 793 |
|
|
put_user(0, data_len);
|
| 794 |
|
|
if (ctl_maxlen >= 0)
|
| 795 |
|
|
put_user(0, ctl_len);
|
| 796 |
|
|
return -EAGAIN;
|
| 797 |
|
|
}
|
| 798 |
|
|
SOLD("wants data");
|
| 799 |
|
|
if (ctl_maxlen > sizeof(udi) && sock->state == TS_IDLE) {
|
| 800 |
|
|
SOLD("udi fits");
|
| 801 |
|
|
tmpbuf = ctl_buf + sizeof(udi);
|
| 802 |
|
|
tmplen = ctl_maxlen - sizeof(udi);
|
| 803 |
|
|
} else {
|
| 804 |
|
|
SOLD("udi does not fit");
|
| 805 |
|
|
tmpbuf = NULL;
|
| 806 |
|
|
tmplen = 0;
|
| 807 |
|
|
}
|
| 808 |
|
|
if (put_user(tmplen, ctl_len))
|
| 809 |
|
|
return -EFAULT;
|
| 810 |
|
|
SOLD("set ctl_len");
|
| 811 |
|
|
oldflags = filp->f_flags;
|
| 812 |
|
|
filp->f_flags |= O_NONBLOCK;
|
| 813 |
|
|
SOLD("calling recvfrom");
|
| 814 |
|
|
sys_recvfrom = (int (*)(int, void *, size_t, unsigned, struct sockaddr *, int *))SYS(recvfrom);
|
| 815 |
|
|
error = sys_recvfrom(fd, data_buf, data_maxlen, 0, (struct sockaddr*)tmpbuf, ctl_len);
|
| 816 |
|
|
filp->f_flags = oldflags;
|
| 817 |
|
|
if (error < 0)
|
| 818 |
|
|
return error;
|
| 819 |
|
|
SOLD("error >= 0" ) ;
|
| 820 |
|
|
if (error && ctl_maxlen > sizeof(udi) && sock->state == TS_IDLE) {
|
| 821 |
|
|
SOLD("generating udi");
|
| 822 |
|
|
udi.PRIM_type = T_UNITDATA_IND;
|
| 823 |
|
|
get_user(udi.SRC_length, ctl_len);
|
| 824 |
|
|
udi.SRC_offset = sizeof(udi);
|
| 825 |
|
|
udi.OPT_length = udi.OPT_offset = 0;
|
| 826 |
|
|
copy_to_user(ctl_buf, &udi, sizeof(udi));
|
| 827 |
|
|
put_user(sizeof(udi)+udi.SRC_length, ctl_len);
|
| 828 |
|
|
SOLD("udi done");
|
| 829 |
|
|
} else
|
| 830 |
|
|
put_user(0, ctl_len);
|
| 831 |
|
|
put_user(error, data_len);
|
| 832 |
|
|
SOLD("done");
|
| 833 |
|
|
return 0;
|
| 834 |
|
|
}
|
| 835 |
|
|
|
| 836 |
|
|
asmlinkage int solaris_getmsg(unsigned int fd, u32 arg1, u32 arg2, u32 arg3)
|
| 837 |
|
|
{
|
| 838 |
|
|
struct file *filp;
|
| 839 |
|
|
struct inode *ino;
|
| 840 |
|
|
struct strbuf *ctlptr, *datptr;
|
| 841 |
|
|
struct strbuf ctl, dat;
|
| 842 |
|
|
int *flgptr;
|
| 843 |
|
|
int flags;
|
| 844 |
|
|
int error = -EBADF;
|
| 845 |
|
|
|
| 846 |
|
|
SOLD("entry");
|
| 847 |
|
|
lock_kernel();
|
| 848 |
|
|
if(fd >= NR_OPEN) goto out;
|
| 849 |
|
|
|
| 850 |
|
|
filp = current->files->fd[fd];
|
| 851 |
|
|
if(!filp) goto out;
|
| 852 |
|
|
|
| 853 |
|
|
ino = filp->f_dentry->d_inode;
|
| 854 |
|
|
if (!ino) goto out;
|
| 855 |
|
|
|
| 856 |
|
|
if (!ino->i_sock)
|
| 857 |
|
|
goto out;
|
| 858 |
|
|
|
| 859 |
|
|
ctlptr = (struct strbuf *)A(arg1);
|
| 860 |
|
|
datptr = (struct strbuf *)A(arg2);
|
| 861 |
|
|
flgptr = (int *)A(arg3);
|
| 862 |
|
|
|
| 863 |
|
|
error = -EFAULT;
|
| 864 |
|
|
|
| 865 |
|
|
if (ctlptr) {
|
| 866 |
|
|
if (copy_from_user(&ctl,ctlptr,sizeof(struct strbuf)) ||
|
| 867 |
|
|
put_user(-1,&ctlptr->len))
|
| 868 |
|
|
goto out;
|
| 869 |
|
|
} else
|
| 870 |
|
|
ctl.maxlen = -1;
|
| 871 |
|
|
|
| 872 |
|
|
if (datptr) {
|
| 873 |
|
|
if (copy_from_user(&dat,datptr,sizeof(struct strbuf)) ||
|
| 874 |
|
|
put_user(-1,&datptr->len))
|
| 875 |
|
|
goto out;
|
| 876 |
|
|
} else
|
| 877 |
|
|
dat.maxlen = -1;
|
| 878 |
|
|
|
| 879 |
|
|
if (get_user(flags,flgptr))
|
| 880 |
|
|
goto out;
|
| 881 |
|
|
|
| 882 |
|
|
switch (flags) {
|
| 883 |
|
|
case 0:
|
| 884 |
|
|
case MSG_HIPRI:
|
| 885 |
|
|
case MSG_ANY:
|
| 886 |
|
|
case MSG_BAND:
|
| 887 |
|
|
break;
|
| 888 |
|
|
default:
|
| 889 |
|
|
error = -EINVAL;
|
| 890 |
|
|
goto out;
|
| 891 |
|
|
}
|
| 892 |
|
|
|
| 893 |
|
|
error = timod_getmsg(fd,(char*)A(ctl.buf),ctl.maxlen,&ctlptr->len,
|
| 894 |
|
|
(char*)A(dat.buf),dat.maxlen,&datptr->len,&flags);
|
| 895 |
|
|
|
| 896 |
|
|
if (!error && put_user(flags,flgptr))
|
| 897 |
|
|
error = -EFAULT;
|
| 898 |
|
|
out:
|
| 899 |
|
|
unlock_kernel();
|
| 900 |
|
|
SOLD("done");
|
| 901 |
|
|
return error;
|
| 902 |
|
|
}
|
| 903 |
|
|
|
| 904 |
|
|
asmlinkage int solaris_putmsg(unsigned int fd, u32 arg1, u32 arg2, u32 arg3)
|
| 905 |
|
|
{
|
| 906 |
|
|
struct file *filp;
|
| 907 |
|
|
struct inode *ino;
|
| 908 |
|
|
struct strbuf *ctlptr, *datptr;
|
| 909 |
|
|
struct strbuf ctl, dat;
|
| 910 |
|
|
int flags = (int) arg3;
|
| 911 |
|
|
int error = -EBADF;
|
| 912 |
|
|
|
| 913 |
|
|
SOLD("entry");
|
| 914 |
|
|
lock_kernel();
|
| 915 |
|
|
if(fd >= NR_OPEN) goto out;
|
| 916 |
|
|
|
| 917 |
|
|
filp = current->files->fd[fd];
|
| 918 |
|
|
if(!filp) goto out;
|
| 919 |
|
|
|
| 920 |
|
|
ino = filp->f_dentry->d_inode;
|
| 921 |
|
|
if (!ino) goto out;
|
| 922 |
|
|
|
| 923 |
|
|
if (!ino->i_sock &&
|
| 924 |
|
|
(MAJOR(ino->i_rdev) != 30 || MINOR(ino->i_rdev) != 1))
|
| 925 |
|
|
goto out;
|
| 926 |
|
|
|
| 927 |
|
|
ctlptr = (struct strbuf *)A(arg1);
|
| 928 |
|
|
datptr = (struct strbuf *)A(arg2);
|
| 929 |
|
|
|
| 930 |
|
|
error = -EFAULT;
|
| 931 |
|
|
|
| 932 |
|
|
if (ctlptr) {
|
| 933 |
|
|
if (copy_from_user(&ctl,ctlptr,sizeof(ctl)))
|
| 934 |
|
|
goto out;
|
| 935 |
|
|
if (ctl.len < 0 && flags) {
|
| 936 |
|
|
error = -EINVAL;
|
| 937 |
|
|
goto out;
|
| 938 |
|
|
}
|
| 939 |
|
|
} else {
|
| 940 |
|
|
ctl.len = 0;
|
| 941 |
|
|
ctl.buf = 0;
|
| 942 |
|
|
}
|
| 943 |
|
|
|
| 944 |
|
|
if (datptr) {
|
| 945 |
|
|
if (copy_from_user(&dat,datptr,sizeof(dat)))
|
| 946 |
|
|
goto out;
|
| 947 |
|
|
} else {
|
| 948 |
|
|
dat.len = 0;
|
| 949 |
|
|
dat.buf = 0;
|
| 950 |
|
|
}
|
| 951 |
|
|
|
| 952 |
|
|
error = timod_putmsg(fd,(char*)A(ctl.buf),ctl.len,
|
| 953 |
|
|
(char*)A(dat.buf),dat.len,flags);
|
| 954 |
|
|
out:
|
| 955 |
|
|
unlock_kernel();
|
| 956 |
|
|
SOLD("done");
|
| 957 |
|
|
return error;
|
| 958 |
|
|
}
|
