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STABLE12-xdrmem-getbytes-20030321

Browse Source 
See, for example:
http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-003-xdr.txt
This source is unused but it seems like a good idea to patch it anyway.


(cherry picked from commit 7f4d43ac2f)
This commit is contained in:
Jim Rees 2003-03-21 18:36:42 +00:00 committed by Derrick Brashear
parent 058866630d
commit c6d666dcc1
1 changed files with 31 additions and 23 deletions
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54
src/rx/xdr_mem.c
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@ -84,7 +84,7 @@ xdrmem_create(xdrs, addr, size, op)
xdrs->x_op = op;
xdrs->x_ops = &xdrmem_ops;
xdrs->x_private = xdrs->x_base = addr;
xdrs->x_handy = size;
xdrs->x_handy = (size > INT_MAX) ? INT_MAX : size; /* XXX */
}
static void
@ -98,12 +98,14 @@ xdrmem_getint32(xdrs, lp)
register XDR *xdrs;
afs_int32 *lp;
{
if (xdrs->x_handy -= sizeof(afs_int32))
return (FALSE);
else
xdrs->x_handy -= sizeof(afs_int32);
if ((xdrs->x_handy -= sizeof(afs_int32)) < 0)
return (FALSE);
*lp = ntohl(*((afs_int32 *)(xdrs->x_private)));
xdrs->x_private += sizeof(afs_int32);
return (TRUE);
*lp = ntohl(*((afs_int32 *)(xdrs->x_private)));
xdrs->x_private += sizeof(afs_int32);
return (TRUE);
}
static bool_t
@ -111,12 +113,14 @@ xdrmem_putint32(xdrs, lp)
register XDR *xdrs;
afs_int32 *lp;
{
if ((xdrs->x_handy -= sizeof(afs_int32)) < 0)
return (FALSE);
*(afs_int32 *)xdrs->x_private = htonl(*lp);
xdrs->x_private += sizeof(afs_int32);
return (TRUE);
if (xdrs->x_handy -= sizeof(afs_int32))
eturn (FALSE);
else
xdrs->x_handy -= sizeof(afs_int32);
*(afs_int32 *)xdrs->x_private = htonl(*lp);
xdrs->x_private += sizeof(afs_int32);
return (TRUE);
}
static bool_t
@ -125,12 +129,14 @@ xdrmem_getbytes(xdrs, addr, len)
caddr_t addr;
register u_int len;
{
if (xdrs->x_handy < len)
return (FALSE);
else
xdrs->x_handy -= len;
if ((xdrs->x_handy -= len) < 0)
return (FALSE);
memcpy(addr, xdrs->x_private, len);
xdrs->x_private += len;
return (TRUE);
memcpy(addr, xdrs->x_private, len);
xdrs->x_private += len;
return (TRUE);
}
static bool_t
@ -139,12 +145,14 @@ xdrmem_putbytes(xdrs, addr, len)
caddr_t addr;
register u_int len;
{
if (xdrs->x_handy < len)
return (FALSE);
else
xdrs->x_handy -= len;
if ((xdrs->x_handy -= len) < 0)
return (FALSE);
memcpy(xdrs->x_private, addr, len);
xdrs->x_private += len;
return (TRUE);
memcpy(xdrs->x_private, addr, len);
xdrs->x_private += len;
return (TRUE);
}
static u_int
@ -177,7 +185,7 @@ xdrmem_inline(xdrs, len)
{
afs_int32 *buf = 0;
if (xdrs->x_handy >= len) {
if (len >= 0 && xdrs->x_handy >= len) {
xdrs->x_handy -= len;
buf = (afs_int32 *) xdrs->x_private;
xdrs->x_private += len;