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Diffstat (limited to 'usr/src/lib/libnsl/nsl/t_alloc.c')
-rw-r--r--usr/src/lib/libnsl/nsl/t_alloc.c58
1 files changed, 38 insertions, 20 deletions
diff --git a/usr/src/lib/libnsl/nsl/t_alloc.c b/usr/src/lib/libnsl/nsl/t_alloc.c
index a8e05bc2d9..67d1204afc 100644
--- a/usr/src/lib/libnsl/nsl/t_alloc.c
+++ b/usr/src/lib/libnsl/nsl/t_alloc.c
@@ -2,9 +2,8 @@
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License"). You may not use this file except in compliance
- * with the License.
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
@@ -24,12 +23,10 @@
/* All Rights Reserved */
/*
- * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
+ * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
-#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.4.1.2 */
-
#include "mt.h"
#include <stdlib.h>
#include <unistd.h>
@@ -41,6 +38,7 @@
#include <xti.h>
#include <stdio.h>
#include <errno.h>
+#include <ucred.h>
#include <signal.h>
#include "tx.h"
@@ -48,7 +46,7 @@
* Function protoypes
*/
static int _alloc_buf(struct netbuf *buf, t_scalar_t n, int fields,
- int api_semantics);
+ int api_semantics, boolean_t option);
char *
_tx_alloc(int fd, int struct_type, int fields, int api_semantics)
@@ -115,7 +113,7 @@ _tx_alloc(int fd, int struct_type, int fields, int api_semantics)
if (fields & T_ADDR) {
if (_alloc_buf(&p.bind->addr,
info.ADDR_size,
- fields, api_semantics) < 0)
+ fields, api_semantics, B_FALSE) < 0)
goto errout;
}
sig_mutex_unlock(&tiptr->ti_lock);
@@ -127,7 +125,7 @@ _tx_alloc(int fd, int struct_type, int fields, int api_semantics)
if (fields & T_ADDR) {
if (_alloc_buf(&p.call->addr,
info.ADDR_size,
- fields, api_semantics) < 0)
+ fields, api_semantics, B_FALSE) < 0)
goto errout;
}
if (fields & T_OPT) {
@@ -138,14 +136,14 @@ _tx_alloc(int fd, int struct_type, int fields, int api_semantics)
else
optsize = info.OPT_size;
if (_alloc_buf(&p.call->opt, optsize,
- fields, api_semantics) < 0)
+ fields, api_semantics, B_TRUE) < 0)
goto errout;
}
if (fields & T_UDATA) {
dsize = _T_MAX((int)info.CDATA_size,
- (int)info.DDATA_size);
+ (int)info.DDATA_size);
if (_alloc_buf(&p.call->udata, (t_scalar_t)dsize,
- fields, api_semantics) < 0)
+ fields, api_semantics, B_FALSE) < 0)
goto errout;
}
sig_mutex_unlock(&tiptr->ti_lock);
@@ -162,7 +160,7 @@ _tx_alloc(int fd, int struct_type, int fields, int api_semantics)
else
optsize = info.OPT_size;
if (_alloc_buf(&p.opt->opt, optsize,
- fields, api_semantics) < 0)
+ fields, api_semantics, B_TRUE) < 0)
goto errout;
}
sig_mutex_unlock(&tiptr->ti_lock);
@@ -173,7 +171,7 @@ _tx_alloc(int fd, int struct_type, int fields, int api_semantics)
goto errout;
if (fields & T_UDATA) {
if (_alloc_buf(&p.dis->udata, info.DDATA_size,
- fields, api_semantics) < 0)
+ fields, api_semantics, B_FALSE) < 0)
goto errout;
}
sig_mutex_unlock(&tiptr->ti_lock);
@@ -184,7 +182,7 @@ _tx_alloc(int fd, int struct_type, int fields, int api_semantics)
goto errout;
if (fields & T_ADDR) {
if (_alloc_buf(&p.udata->addr, info.ADDR_size,
- fields, api_semantics) < 0)
+ fields, api_semantics, B_FALSE) < 0)
goto errout;
}
if (fields & T_OPT) {
@@ -195,12 +193,12 @@ _tx_alloc(int fd, int struct_type, int fields, int api_semantics)
else
optsize = info.OPT_size;
if (_alloc_buf(&p.udata->opt, optsize,
- fields, api_semantics) < 0)
+ fields, api_semantics, B_TRUE) < 0)
goto errout;
}
if (fields & T_UDATA) {
if (_alloc_buf(&p.udata->udata, info.TSDU_size,
- fields, api_semantics) < 0)
+ fields, api_semantics, B_FALSE) < 0)
goto errout;
}
sig_mutex_unlock(&tiptr->ti_lock);
@@ -211,7 +209,7 @@ _tx_alloc(int fd, int struct_type, int fields, int api_semantics)
goto errout;
if (fields & T_ADDR) {
if (_alloc_buf(&p.uderr->addr, info.ADDR_size,
- fields, api_semantics) < 0)
+ fields, api_semantics, B_FALSE) < 0)
goto errout;
}
if (fields & T_OPT) {
@@ -222,7 +220,7 @@ _tx_alloc(int fd, int struct_type, int fields, int api_semantics)
else
optsize = info.OPT_size;
if (_alloc_buf(&p.uderr->opt, optsize,
- fields, api_semantics) < 0)
+ fields, api_semantics, B_FALSE) < 0)
goto errout;
}
sig_mutex_unlock(&tiptr->ti_lock);
@@ -262,7 +260,8 @@ errout:
}
static int
-_alloc_buf(struct netbuf *buf, t_scalar_t n, int fields, int api_semantics)
+_alloc_buf(struct netbuf *buf, t_scalar_t n, int fields, int api_semantics,
+ boolean_t option)
{
switch (n) {
case T_INFINITE /* -1 */:
@@ -277,6 +276,25 @@ _alloc_buf(struct netbuf *buf, t_scalar_t n, int fields, int api_semantics)
errno = EINVAL;
return (-1);
}
+ } else if (option) { /* TX_TLI_API */
+ static size_t infalloc;
+
+ /*
+ * retain TLI behavior; ucred_t can vary in size,
+ * we need to make sure that we can receive one.
+ */
+ if (infalloc == 0) {
+ size_t uc = ucred_size();
+ if (uc < 1024/2)
+ infalloc = 1024;
+ else
+ infalloc = uc + 1024/2;
+ }
+ if ((buf->buf = calloc(1, infalloc)) == NULL) {
+ errno = ENOMEM;
+ return (-1);
+ } else
+ buf->maxlen = infalloc;
} else { /* TX_TLI_API */
/*
* retain TLI behavior
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-14 08:18:37 +0000