mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-08-14 01:53:41 +08:00
update
This commit is contained in:
Zhi Guan
@@ -1,6 +1,7 @@
|
||||
/* dso_dlfcn.c -*- mode:C; c-file-style: "eay" -*- */
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/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
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* project 2000.
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/*
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* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL project
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||||
* 2000.
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||||
*/
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||||
/* ====================================================================
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||||
* Copyright (c) 2000 The OpenSSL Project. All rights reserved.
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@@ -10,7 +11,7 @@
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||||
* are met:
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||||
*
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||||
* 1. Redistributions of source code must retain the above copyright
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||||
* notice, this list of conditions and the following disclaimer.
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
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||||
* notice, this list of conditions and the following disclaimer in
|
||||
@@ -56,14 +57,13 @@
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*
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*/
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||||
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||||
/* We need to do this early, because stdio.h includes the header files
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that handle _GNU_SOURCE and other similar macros. Defining it later
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is simply too late, because those headers are protected from re-
|
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inclusion. */
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#ifdef __linux
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# ifndef _GNU_SOURCE
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# define _GNU_SOURCE /* make sure dladdr is declared */
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||||
# endif
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/*
|
||||
* We need to do this early, because stdio.h includes the header files that
|
||||
* handle _GNU_SOURCE and other similar macros. Defining it later is simply
|
||||
* too late, because those headers are protected from re- inclusion.
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||||
*/
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||||
#ifndef _GNU_SOURCE
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# define _GNU_SOURCE /* make sure dladdr is declared */
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#endif
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#include <stdio.h>
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@@ -72,336 +72,316 @@
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||||
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#ifndef DSO_DLFCN
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DSO_METHOD *DSO_METHOD_dlfcn(void)
|
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{
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return NULL;
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}
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{
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return NULL;
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}
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#else
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#ifdef HAVE_DLFCN_H
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# ifdef __osf__
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# define __EXTENSIONS__
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# endif
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# include <dlfcn.h>
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# define HAVE_DLINFO 1
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# if defined(_AIX) || defined(__CYGWIN__) || \
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# ifdef HAVE_DLFCN_H
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# ifdef __osf__
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# define __EXTENSIONS__
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# endif
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# include <dlfcn.h>
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# define HAVE_DLINFO 1
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# if defined(_AIX) || defined(__CYGWIN__) || \
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defined(__SCO_VERSION__) || defined(_SCO_ELF) || \
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(defined(__OpenBSD__) && !defined(RTLD_SELF))
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# undef HAVE_DLINFO
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(defined(__osf__) && !defined(RTLD_NEXT)) || \
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(defined(__OpenBSD__) && !defined(RTLD_SELF)) || \
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defined(__ANDROID__)
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# undef HAVE_DLINFO
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# endif
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# endif
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#endif
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/* Part of the hack in "dlfcn_load" ... */
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#define DSO_MAX_TRANSLATED_SIZE 256
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# define DSO_MAX_TRANSLATED_SIZE 256
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static int dlfcn_load(DSO *dso);
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static int dlfcn_unload(DSO *dso);
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static void *dlfcn_bind_var(DSO *dso, const char *symname);
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static DSO_FUNC_TYPE dlfcn_bind_func(DSO *dso, const char *symname);
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#if 0
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# if 0
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static int dlfcn_unbind(DSO *dso, char *symname, void *symptr);
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static int dlfcn_init(DSO *dso);
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static int dlfcn_finish(DSO *dso);
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static long dlfcn_ctrl(DSO *dso, int cmd, long larg, void *parg);
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#endif
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# endif
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static char *dlfcn_name_converter(DSO *dso, const char *filename);
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static char *dlfcn_merger(DSO *dso, const char *filespec1,
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const char *filespec2);
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static int dlfcn_pathbyaddr(void *addr,char *path,int sz);
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const char *filespec2);
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static int dlfcn_pathbyaddr(void *addr, char *path, int sz);
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static void *dlfcn_globallookup(const char *name);
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|
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static DSO_METHOD dso_meth_dlfcn = {
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"OpenSSL 'dlfcn' shared library method",
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dlfcn_load,
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dlfcn_unload,
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dlfcn_bind_var,
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dlfcn_bind_func,
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"OpenSSL 'dlfcn' shared library method",
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dlfcn_load,
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dlfcn_unload,
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dlfcn_bind_var,
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dlfcn_bind_func,
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/* For now, "unbind" doesn't exist */
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#if 0
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NULL, /* unbind_var */
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NULL, /* unbind_func */
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#endif
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NULL, /* ctrl */
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dlfcn_name_converter,
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dlfcn_merger,
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NULL, /* init */
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NULL, /* finish */
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dlfcn_pathbyaddr,
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dlfcn_globallookup
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};
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# if 0
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NULL, /* unbind_var */
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NULL, /* unbind_func */
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# endif
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NULL, /* ctrl */
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dlfcn_name_converter,
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dlfcn_merger,
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NULL, /* init */
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NULL, /* finish */
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dlfcn_pathbyaddr,
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dlfcn_globallookup
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};
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DSO_METHOD *DSO_METHOD_dlfcn(void)
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{
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return(&dso_meth_dlfcn);
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}
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{
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return (&dso_meth_dlfcn);
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}
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/* Prior to using the dlopen() function, we should decide on the flag
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* we send. There's a few different ways of doing this and it's a
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* messy venn-diagram to match up which platforms support what. So
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* as we don't have autoconf yet, I'm implementing a hack that could
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* be hacked further relatively easily to deal with cases as we find
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* them. Initially this is to cope with OpenBSD. */
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#if defined(__OpenBSD__) || defined(__NetBSD__)
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# ifdef DL_LAZY
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# define DLOPEN_FLAG DL_LAZY
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# else
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# ifdef RTLD_NOW
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# define DLOPEN_FLAG RTLD_NOW
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# else
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# define DLOPEN_FLAG 0
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# endif
|
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# endif
|
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#else
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# ifdef OPENSSL_SYS_SUNOS
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# define DLOPEN_FLAG 1
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# else
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# define DLOPEN_FLAG RTLD_NOW /* Hope this works everywhere else */
|
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# endif
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||||
#endif
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||||
/*
|
||||
* Prior to using the dlopen() function, we should decide on the flag we
|
||||
* send. There's a few different ways of doing this and it's a messy
|
||||
* venn-diagram to match up which platforms support what. So as we don't have
|
||||
* autoconf yet, I'm implementing a hack that could be hacked further
|
||||
* relatively easily to deal with cases as we find them. Initially this is to
|
||||
* cope with OpenBSD.
|
||||
*/
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||||
# if defined(__OpenBSD__) || defined(__NetBSD__)
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# ifdef DL_LAZY
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# define DLOPEN_FLAG DL_LAZY
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# else
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# ifdef RTLD_NOW
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# define DLOPEN_FLAG RTLD_NOW
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# else
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# define DLOPEN_FLAG 0
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# endif
|
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# endif
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# else
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||||
# ifdef OPENSSL_SYS_SUNOS
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# define DLOPEN_FLAG 1
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# else
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# define DLOPEN_FLAG RTLD_NOW /* Hope this works everywhere else */
|
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# endif
|
||||
# endif
|
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/* For this DSO_METHOD, our meth_data STACK will contain;
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* (i) the handle (void*) returned from dlopen().
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/*
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* For this DSO_METHOD, our meth_data STACK will contain; (i) the handle
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* (void*) returned from dlopen().
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*/
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static int dlfcn_load(DSO *dso)
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{
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void *ptr = NULL;
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/* See applicable comments in dso_dl.c */
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char *filename = DSO_convert_filename(dso, NULL);
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int flags = DLOPEN_FLAG;
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{
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void *ptr = NULL;
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/* See applicable comments in dso_dl.c */
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char *filename = DSO_convert_filename(dso, NULL);
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int flags = DLOPEN_FLAG;
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if(filename == NULL)
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{
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DSOerr(DSO_F_DLFCN_LOAD,DSO_R_NO_FILENAME);
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goto err;
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}
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#ifdef RTLD_GLOBAL
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if (dso->flags & DSO_FLAG_GLOBAL_SYMBOLS)
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flags |= RTLD_GLOBAL;
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#endif
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ptr = dlopen(filename, flags);
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if(ptr == NULL)
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{
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DSOerr(DSO_F_DLFCN_LOAD,DSO_R_LOAD_FAILED);
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ERR_add_error_data(4, "filename(", filename, "): ", dlerror());
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goto err;
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}
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if(!sk_void_push(dso->meth_data, (char *)ptr))
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{
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DSOerr(DSO_F_DLFCN_LOAD,DSO_R_STACK_ERROR);
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goto err;
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}
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/* Success */
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dso->loaded_filename = filename;
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return(1);
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err:
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/* Cleanup! */
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if(filename != NULL)
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OPENSSL_free(filename);
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if(ptr != NULL)
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dlclose(ptr);
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return(0);
|
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if (filename == NULL) {
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DSOerr(DSO_F_DLFCN_LOAD, DSO_R_NO_FILENAME);
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goto err;
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}
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# ifdef RTLD_GLOBAL
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if (dso->flags & DSO_FLAG_GLOBAL_SYMBOLS)
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flags |= RTLD_GLOBAL;
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# endif
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ptr = dlopen(filename, flags);
|
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if (ptr == NULL) {
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DSOerr(DSO_F_DLFCN_LOAD, DSO_R_LOAD_FAILED);
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ERR_add_error_data(4, "filename(", filename, "): ", dlerror());
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goto err;
|
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}
|
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if (!sk_void_push(dso->meth_data, (char *)ptr)) {
|
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DSOerr(DSO_F_DLFCN_LOAD, DSO_R_STACK_ERROR);
|
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goto err;
|
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}
|
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/* Success */
|
||||
dso->loaded_filename = filename;
|
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return (1);
|
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err:
|
||||
/* Cleanup! */
|
||||
if (filename != NULL)
|
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OPENSSL_free(filename);
|
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if (ptr != NULL)
|
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dlclose(ptr);
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int dlfcn_unload(DSO *dso)
|
||||
{
|
||||
void *ptr;
|
||||
if(dso == NULL)
|
||||
{
|
||||
DSOerr(DSO_F_DLFCN_UNLOAD,ERR_R_PASSED_NULL_PARAMETER);
|
||||
return(0);
|
||||
}
|
||||
if(sk_void_num(dso->meth_data) < 1)
|
||||
return(1);
|
||||
ptr = sk_void_pop(dso->meth_data);
|
||||
if(ptr == NULL)
|
||||
{
|
||||
DSOerr(DSO_F_DLFCN_UNLOAD,DSO_R_NULL_HANDLE);
|
||||
/* Should push the value back onto the stack in
|
||||
* case of a retry. */
|
||||
sk_void_push(dso->meth_data, ptr);
|
||||
return(0);
|
||||
}
|
||||
/* For now I'm not aware of any errors associated with dlclose() */
|
||||
dlclose(ptr);
|
||||
return(1);
|
||||
}
|
||||
{
|
||||
void *ptr;
|
||||
if (dso == NULL) {
|
||||
DSOerr(DSO_F_DLFCN_UNLOAD, ERR_R_PASSED_NULL_PARAMETER);
|
||||
return (0);
|
||||
}
|
||||
if (sk_void_num(dso->meth_data) < 1)
|
||||
return (1);
|
||||
ptr = sk_void_pop(dso->meth_data);
|
||||
if (ptr == NULL) {
|
||||
DSOerr(DSO_F_DLFCN_UNLOAD, DSO_R_NULL_HANDLE);
|
||||
/*
|
||||
* Should push the value back onto the stack in case of a retry.
|
||||
*/
|
||||
sk_void_push(dso->meth_data, ptr);
|
||||
return (0);
|
||||
}
|
||||
/* For now I'm not aware of any errors associated with dlclose() */
|
||||
dlclose(ptr);
|
||||
return (1);
|
||||
}
|
||||
|
||||
static void *dlfcn_bind_var(DSO *dso, const char *symname)
|
||||
{
|
||||
void *ptr, *sym;
|
||||
{
|
||||
void *ptr, *sym;
|
||||
|
||||
if((dso == NULL) || (symname == NULL))
|
||||
{
|
||||
DSOerr(DSO_F_DLFCN_BIND_VAR,ERR_R_PASSED_NULL_PARAMETER);
|
||||
return(NULL);
|
||||
}
|
||||
if(sk_void_num(dso->meth_data) < 1)
|
||||
{
|
||||
DSOerr(DSO_F_DLFCN_BIND_VAR,DSO_R_STACK_ERROR);
|
||||
return(NULL);
|
||||
}
|
||||
ptr = sk_void_value(dso->meth_data, sk_void_num(dso->meth_data) - 1);
|
||||
if(ptr == NULL)
|
||||
{
|
||||
DSOerr(DSO_F_DLFCN_BIND_VAR,DSO_R_NULL_HANDLE);
|
||||
return(NULL);
|
||||
}
|
||||
sym = dlsym(ptr, symname);
|
||||
if(sym == NULL)
|
||||
{
|
||||
DSOerr(DSO_F_DLFCN_BIND_VAR,DSO_R_SYM_FAILURE);
|
||||
ERR_add_error_data(4, "symname(", symname, "): ", dlerror());
|
||||
return(NULL);
|
||||
}
|
||||
return(sym);
|
||||
}
|
||||
if ((dso == NULL) || (symname == NULL)) {
|
||||
DSOerr(DSO_F_DLFCN_BIND_VAR, ERR_R_PASSED_NULL_PARAMETER);
|
||||
return (NULL);
|
||||
}
|
||||
if (sk_void_num(dso->meth_data) < 1) {
|
||||
DSOerr(DSO_F_DLFCN_BIND_VAR, DSO_R_STACK_ERROR);
|
||||
return (NULL);
|
||||
}
|
||||
ptr = sk_void_value(dso->meth_data, sk_void_num(dso->meth_data) - 1);
|
||||
if (ptr == NULL) {
|
||||
DSOerr(DSO_F_DLFCN_BIND_VAR, DSO_R_NULL_HANDLE);
|
||||
return (NULL);
|
||||
}
|
||||
sym = dlsym(ptr, symname);
|
||||
if (sym == NULL) {
|
||||
DSOerr(DSO_F_DLFCN_BIND_VAR, DSO_R_SYM_FAILURE);
|
||||
ERR_add_error_data(4, "symname(", symname, "): ", dlerror());
|
||||
return (NULL);
|
||||
}
|
||||
return (sym);
|
||||
}
|
||||
|
||||
static DSO_FUNC_TYPE dlfcn_bind_func(DSO *dso, const char *symname)
|
||||
{
|
||||
void *ptr;
|
||||
union {
|
||||
DSO_FUNC_TYPE sym;
|
||||
void *dlret;
|
||||
} u;
|
||||
{
|
||||
void *ptr;
|
||||
union {
|
||||
DSO_FUNC_TYPE sym;
|
||||
void *dlret;
|
||||
} u;
|
||||
|
||||
if((dso == NULL) || (symname == NULL))
|
||||
{
|
||||
DSOerr(DSO_F_DLFCN_BIND_FUNC,ERR_R_PASSED_NULL_PARAMETER);
|
||||
return(NULL);
|
||||
}
|
||||
if(sk_void_num(dso->meth_data) < 1)
|
||||
{
|
||||
DSOerr(DSO_F_DLFCN_BIND_FUNC,DSO_R_STACK_ERROR);
|
||||
return(NULL);
|
||||
}
|
||||
ptr = sk_void_value(dso->meth_data, sk_void_num(dso->meth_data) - 1);
|
||||
if(ptr == NULL)
|
||||
{
|
||||
DSOerr(DSO_F_DLFCN_BIND_FUNC,DSO_R_NULL_HANDLE);
|
||||
return(NULL);
|
||||
}
|
||||
u.dlret = dlsym(ptr, symname);
|
||||
if(u.dlret == NULL)
|
||||
{
|
||||
DSOerr(DSO_F_DLFCN_BIND_FUNC,DSO_R_SYM_FAILURE);
|
||||
ERR_add_error_data(4, "symname(", symname, "): ", dlerror());
|
||||
return(NULL);
|
||||
}
|
||||
return u.sym;
|
||||
}
|
||||
if ((dso == NULL) || (symname == NULL)) {
|
||||
DSOerr(DSO_F_DLFCN_BIND_FUNC, ERR_R_PASSED_NULL_PARAMETER);
|
||||
return (NULL);
|
||||
}
|
||||
if (sk_void_num(dso->meth_data) < 1) {
|
||||
DSOerr(DSO_F_DLFCN_BIND_FUNC, DSO_R_STACK_ERROR);
|
||||
return (NULL);
|
||||
}
|
||||
ptr = sk_void_value(dso->meth_data, sk_void_num(dso->meth_data) - 1);
|
||||
if (ptr == NULL) {
|
||||
DSOerr(DSO_F_DLFCN_BIND_FUNC, DSO_R_NULL_HANDLE);
|
||||
return (NULL);
|
||||
}
|
||||
u.dlret = dlsym(ptr, symname);
|
||||
if (u.dlret == NULL) {
|
||||
DSOerr(DSO_F_DLFCN_BIND_FUNC, DSO_R_SYM_FAILURE);
|
||||
ERR_add_error_data(4, "symname(", symname, "): ", dlerror());
|
||||
return (NULL);
|
||||
}
|
||||
return u.sym;
|
||||
}
|
||||
|
||||
static char *dlfcn_merger(DSO *dso, const char *filespec1,
|
||||
const char *filespec2)
|
||||
{
|
||||
char *merged;
|
||||
const char *filespec2)
|
||||
{
|
||||
char *merged;
|
||||
|
||||
if(!filespec1 && !filespec2)
|
||||
{
|
||||
DSOerr(DSO_F_DLFCN_MERGER,
|
||||
ERR_R_PASSED_NULL_PARAMETER);
|
||||
return(NULL);
|
||||
}
|
||||
/* If the first file specification is a rooted path, it rules.
|
||||
same goes if the second file specification is missing. */
|
||||
if (!filespec2 || (filespec1 != NULL && filespec1[0] == '/'))
|
||||
{
|
||||
merged = OPENSSL_malloc(strlen(filespec1) + 1);
|
||||
if(!merged)
|
||||
{
|
||||
DSOerr(DSO_F_DLFCN_MERGER, ERR_R_MALLOC_FAILURE);
|
||||
return(NULL);
|
||||
}
|
||||
strcpy(merged, filespec1);
|
||||
}
|
||||
/* If the first file specification is missing, the second one rules. */
|
||||
else if (!filespec1)
|
||||
{
|
||||
merged = OPENSSL_malloc(strlen(filespec2) + 1);
|
||||
if(!merged)
|
||||
{
|
||||
DSOerr(DSO_F_DLFCN_MERGER,
|
||||
ERR_R_MALLOC_FAILURE);
|
||||
return(NULL);
|
||||
}
|
||||
strcpy(merged, filespec2);
|
||||
}
|
||||
else
|
||||
/* This part isn't as trivial as it looks. It assumes that
|
||||
the second file specification really is a directory, and
|
||||
makes no checks whatsoever. Therefore, the result becomes
|
||||
the concatenation of filespec2 followed by a slash followed
|
||||
by filespec1. */
|
||||
{
|
||||
int spec2len, len;
|
||||
if (!filespec1 && !filespec2) {
|
||||
DSOerr(DSO_F_DLFCN_MERGER, ERR_R_PASSED_NULL_PARAMETER);
|
||||
return (NULL);
|
||||
}
|
||||
/*
|
||||
* If the first file specification is a rooted path, it rules. same goes
|
||||
* if the second file specification is missing.
|
||||
*/
|
||||
if (!filespec2 || (filespec1 != NULL && filespec1[0] == '/')) {
|
||||
merged = OPENSSL_malloc(strlen(filespec1) + 1);
|
||||
if (!merged) {
|
||||
DSOerr(DSO_F_DLFCN_MERGER, ERR_R_MALLOC_FAILURE);
|
||||
return (NULL);
|
||||
}
|
||||
strcpy(merged, filespec1);
|
||||
}
|
||||
/*
|
||||
* If the first file specification is missing, the second one rules.
|
||||
*/
|
||||
else if (!filespec1) {
|
||||
merged = OPENSSL_malloc(strlen(filespec2) + 1);
|
||||
if (!merged) {
|
||||
DSOerr(DSO_F_DLFCN_MERGER, ERR_R_MALLOC_FAILURE);
|
||||
return (NULL);
|
||||
}
|
||||
strcpy(merged, filespec2);
|
||||
} else {
|
||||
/*
|
||||
* This part isn't as trivial as it looks. It assumes that the
|
||||
* second file specification really is a directory, and makes no
|
||||
* checks whatsoever. Therefore, the result becomes the
|
||||
* concatenation of filespec2 followed by a slash followed by
|
||||
* filespec1.
|
||||
*/
|
||||
int spec2len, len;
|
||||
|
||||
spec2len = strlen(filespec2);
|
||||
len = spec2len + (filespec1 ? strlen(filespec1) : 0);
|
||||
spec2len = strlen(filespec2);
|
||||
len = spec2len + strlen(filespec1);
|
||||
|
||||
if(filespec2 && filespec2[spec2len - 1] == '/')
|
||||
{
|
||||
spec2len--;
|
||||
len--;
|
||||
}
|
||||
merged = OPENSSL_malloc(len + 2);
|
||||
if(!merged)
|
||||
{
|
||||
DSOerr(DSO_F_DLFCN_MERGER,
|
||||
ERR_R_MALLOC_FAILURE);
|
||||
return(NULL);
|
||||
}
|
||||
strcpy(merged, filespec2);
|
||||
merged[spec2len] = '/';
|
||||
strcpy(&merged[spec2len + 1], filespec1);
|
||||
}
|
||||
return(merged);
|
||||
}
|
||||
|
||||
#ifdef OPENSSL_SYS_MACOSX
|
||||
#define DSO_ext ".dylib"
|
||||
#define DSO_extlen 6
|
||||
#else
|
||||
#define DSO_ext ".so"
|
||||
#define DSO_extlen 3
|
||||
#endif
|
||||
if (spec2len && filespec2[spec2len - 1] == '/') {
|
||||
spec2len--;
|
||||
len--;
|
||||
}
|
||||
merged = OPENSSL_malloc(len + 2);
|
||||
if (!merged) {
|
||||
DSOerr(DSO_F_DLFCN_MERGER, ERR_R_MALLOC_FAILURE);
|
||||
return (NULL);
|
||||
}
|
||||
strcpy(merged, filespec2);
|
||||
merged[spec2len] = '/';
|
||||
strcpy(&merged[spec2len + 1], filespec1);
|
||||
}
|
||||
return (merged);
|
||||
}
|
||||
|
||||
# ifdef OPENSSL_SYS_MACOSX
|
||||
# define DSO_ext ".dylib"
|
||||
# define DSO_extlen 6
|
||||
# else
|
||||
# define DSO_ext ".so"
|
||||
# define DSO_extlen 3
|
||||
# endif
|
||||
|
||||
static char *dlfcn_name_converter(DSO *dso, const char *filename)
|
||||
{
|
||||
char *translated;
|
||||
int len, rsize, transform;
|
||||
{
|
||||
char *translated;
|
||||
int len, rsize, transform;
|
||||
|
||||
len = strlen(filename);
|
||||
rsize = len + 1;
|
||||
transform = (strstr(filename, "/") == NULL);
|
||||
if(transform)
|
||||
{
|
||||
/* We will convert this to "%s.so" or "lib%s.so" etc */
|
||||
rsize += DSO_extlen; /* The length of ".so" */
|
||||
if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
|
||||
rsize += 3; /* The length of "lib" */
|
||||
}
|
||||
translated = OPENSSL_malloc(rsize);
|
||||
if(translated == NULL)
|
||||
{
|
||||
DSOerr(DSO_F_DLFCN_NAME_CONVERTER,
|
||||
DSO_R_NAME_TRANSLATION_FAILED);
|
||||
return(NULL);
|
||||
}
|
||||
if(transform)
|
||||
{
|
||||
if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
|
||||
sprintf(translated, "lib%s" DSO_ext, filename);
|
||||
else
|
||||
sprintf(translated, "%s" DSO_ext, filename);
|
||||
}
|
||||
else
|
||||
sprintf(translated, "%s", filename);
|
||||
return(translated);
|
||||
}
|
||||
len = strlen(filename);
|
||||
rsize = len + 1;
|
||||
transform = (strstr(filename, "/") == NULL);
|
||||
if (transform) {
|
||||
/* We will convert this to "%s.so" or "lib%s.so" etc */
|
||||
rsize += DSO_extlen; /* The length of ".so" */
|
||||
if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
|
||||
rsize += 3; /* The length of "lib" */
|
||||
}
|
||||
translated = OPENSSL_malloc(rsize);
|
||||
if (translated == NULL) {
|
||||
DSOerr(DSO_F_DLFCN_NAME_CONVERTER, DSO_R_NAME_TRANSLATION_FAILED);
|
||||
return (NULL);
|
||||
}
|
||||
if (transform) {
|
||||
if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
|
||||
sprintf(translated, "lib%s" DSO_ext, filename);
|
||||
else
|
||||
sprintf(translated, "%s" DSO_ext, filename);
|
||||
} else
|
||||
sprintf(translated, "%s", filename);
|
||||
return (translated);
|
||||
}
|
||||
|
||||
#ifdef __sgi
|
||||
/*
|
||||
# ifdef __sgi
|
||||
/*-
|
||||
This is a quote from IRIX manual for dladdr(3c):
|
||||
|
||||
<dlfcn.h> does not contain a prototype for dladdr or definition of
|
||||
@@ -414,69 +394,72 @@ This is a quote from IRIX manual for dladdr(3c):
|
||||
intention to change this interface, so on a practical level, the code
|
||||
below is safe to use on IRIX.
|
||||
*/
|
||||
#include <rld_interface.h>
|
||||
#ifndef _RLD_INTERFACE_DLFCN_H_DLADDR
|
||||
#define _RLD_INTERFACE_DLFCN_H_DLADDR
|
||||
# include <rld_interface.h>
|
||||
# ifndef _RLD_INTERFACE_DLFCN_H_DLADDR
|
||||
# define _RLD_INTERFACE_DLFCN_H_DLADDR
|
||||
typedef struct Dl_info {
|
||||
const char * dli_fname;
|
||||
void * dli_fbase;
|
||||
const char * dli_sname;
|
||||
void * dli_saddr;
|
||||
int dli_version;
|
||||
int dli_reserved1;
|
||||
long dli_reserved[4];
|
||||
const char *dli_fname;
|
||||
void *dli_fbase;
|
||||
const char *dli_sname;
|
||||
void *dli_saddr;
|
||||
int dli_version;
|
||||
int dli_reserved1;
|
||||
long dli_reserved[4];
|
||||
} Dl_info;
|
||||
#else
|
||||
# else
|
||||
typedef struct Dl_info Dl_info;
|
||||
#endif
|
||||
#define _RLD_DLADDR 14
|
||||
# endif
|
||||
# define _RLD_DLADDR 14
|
||||
|
||||
static int dladdr(void *address, Dl_info *dl)
|
||||
{
|
||||
void *v;
|
||||
v = _rld_new_interface(_RLD_DLADDR,address,dl);
|
||||
return (int)v;
|
||||
void *v;
|
||||
v = _rld_new_interface(_RLD_DLADDR, address, dl);
|
||||
return (int)v;
|
||||
}
|
||||
#endif /* __sgi */
|
||||
# endif /* __sgi */
|
||||
|
||||
static int dlfcn_pathbyaddr(void *addr,char *path,int sz)
|
||||
{
|
||||
#ifdef HAVE_DLINFO
|
||||
Dl_info dli;
|
||||
int len;
|
||||
static int dlfcn_pathbyaddr(void *addr, char *path, int sz)
|
||||
{
|
||||
# ifdef HAVE_DLINFO
|
||||
Dl_info dli;
|
||||
int len;
|
||||
|
||||
if (addr == NULL)
|
||||
{
|
||||
union { int(*f)(void*,char*,int); void *p; } t =
|
||||
{ dlfcn_pathbyaddr };
|
||||
addr = t.p;
|
||||
}
|
||||
if (addr == NULL) {
|
||||
union {
|
||||
int (*f) (void *, char *, int);
|
||||
void *p;
|
||||
} t = {
|
||||
dlfcn_pathbyaddr
|
||||
};
|
||||
addr = t.p;
|
||||
}
|
||||
|
||||
if (dladdr(addr,&dli))
|
||||
{
|
||||
len = (int)strlen(dli.dli_fname);
|
||||
if (sz <= 0) return len+1;
|
||||
if (len >= sz) len=sz-1;
|
||||
memcpy(path,dli.dli_fname,len);
|
||||
path[len++]=0;
|
||||
return len;
|
||||
}
|
||||
if (dladdr(addr, &dli)) {
|
||||
len = (int)strlen(dli.dli_fname);
|
||||
if (sz <= 0)
|
||||
return len + 1;
|
||||
if (len >= sz)
|
||||
len = sz - 1;
|
||||
memcpy(path, dli.dli_fname, len);
|
||||
path[len++] = 0;
|
||||
return len;
|
||||
}
|
||||
|
||||
ERR_add_error_data(4, "dlfcn_pathbyaddr(): ", dlerror());
|
||||
#endif
|
||||
return -1;
|
||||
}
|
||||
ERR_add_error_data(2, "dlfcn_pathbyaddr(): ", dlerror());
|
||||
# endif
|
||||
return -1;
|
||||
}
|
||||
|
||||
static void *dlfcn_globallookup(const char *name)
|
||||
{
|
||||
void *ret = NULL,*handle = dlopen(NULL,RTLD_LAZY);
|
||||
|
||||
if (handle)
|
||||
{
|
||||
ret = dlsym(handle,name);
|
||||
dlclose(handle);
|
||||
}
|
||||
{
|
||||
void *ret = NULL, *handle = dlopen(NULL, RTLD_LAZY);
|
||||
|
||||
return ret;
|
||||
}
|
||||
#endif /* DSO_DLFCN */
|
||||
if (handle) {
|
||||
ret = dlsym(handle, name);
|
||||
dlclose(handle);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
#endif /* DSO_DLFCN */
|
||||
|
||||
Reference in New Issue
Block a user