Mercurial > hg > graal-jvmci-8
view agent/src/os/solaris/proc/saproc_audit.cpp @ 892:a94af87c3357
6861984: solaris version of libsaproc.so should support SA_ALTROOT directly
Reviewed-by: kvn, twisti
author | never |
---|---|
date | Fri, 24 Jul 2009 12:40:40 -0700 |
parents | |
children | c18cbe5936b8 |
line wrap: on
line source
/* * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ #include <link.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <limits.h> #include <varargs.h> // This class sets up an interposer on open calls from libproc.so to // support a pathmap facility in the SA. static uintptr_t* libproc_cookie; static uintptr_t* libc_cookie; static uintptr_t* libsaproc_cookie; uint_t la_version(uint_t version) { return (LAV_CURRENT); } uint_t la_objopen(Link_map * lmp, Lmid_t lmid, uintptr_t * cookie) { if (strstr(lmp->l_name, "/libproc.so") != NULL) { libproc_cookie = cookie; return LA_FLG_BINDFROM; } if (strstr(lmp->l_name, "/libc.so") != NULL) { libc_cookie = cookie; return LA_FLG_BINDTO; } if (strstr(lmp->l_name, "/libsaproc.so") != NULL) { libsaproc_cookie = cookie; return LA_FLG_BINDTO | LA_FLG_BINDFROM; } return 0; } #if defined(_LP64) uintptr_t la_symbind64(Elf64_Sym *symp, uint_t symndx, uintptr_t *refcook, uintptr_t *defcook, uint_t *sb_flags, const char *sym_name) #else uintptr_t la_symbind32(Elf32_Sym *symp, uint_t symndx, uintptr_t *refcook, uintptr_t *defcook, uint_t *sb_flags) #endif { #if !defined(_LP64) const char *sym_name = (const char *)symp->st_name; #endif if (strcmp(sym_name, "open") == 0 && refcook == libproc_cookie) { // redirect all open calls from libproc.so through libsaproc_open which will // try the alternate library locations first. void* handle = dlmopen(LM_ID_BASE, "libsaproc.so", RTLD_NOLOAD); if (handle == NULL) { fprintf(stderr, "libsaproc_audit.so: didn't find libsaproc.so during linking\n"); } else { uintptr_t libsaproc_open = (uintptr_t)dlsym(handle, "libsaproc_open"); if (libsaproc_open == 0) { fprintf(stderr, "libsaproc_audit.so: didn't find libsaproc_open during linking\n"); } else { return libsaproc_open; } } } return symp->st_value; }