/* ROCK Linux Wrapper for getting a list of created files
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*
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* --- ROCK-COPYRIGHT-NOTE-BEGIN ---
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*
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* This copyright note is auto-generated by ./scripts/Create-CopyPatch.
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* Please add additional copyright information _after_ the line containing
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* the ROCK-COPYRIGHT-NOTE-END tag. Otherwise it might get removed by
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* the ./scripts/Create-CopyPatch script. Do not edit this copyright text!
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*
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* ROCK Linux: rock-src/misc/tools-source/fl_wrapper.c.sh
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* ROCK Linux is Copyright (C) 1998 - 2003 Clifford Wolf
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version. A copy of the GNU General Public
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* License can be found at Documentation/COPYING.
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*
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* Many people helped and are helping developing ROCK Linux. Please
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* have a look at http://www.rocklinux.org/ and the Documentation/TEAM
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* file for details.
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*
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* --- ROCK-COPYRIGHT-NOTE-END ---
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*
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* gcc -Wall -O2 -ldl -shared -o fl_wrapper.so fl_wrapper.c
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*
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* !!! THIS FILE IS AUTO-GENERATED BY fl_wrapper.c.sh !!!
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*
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* ELF Dynamic Loading Documentation:
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* - http://www.linuxdoc.org/HOWTO/GCC-HOWTO-7.html
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* - http://www.educ.umu.se/~bjorn/mhonarc-files/linux-gcc/msg00576.html
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* - /usr/include/dlfcn.h
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*/
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/* Headers and prototypes */
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#define DEBUG 0
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#define DLOPEN_LIBC 1
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#define _GNU_SOURCE
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#define _REENTRANT
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#define open xxx_open
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#define open64 xxx_open64
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#define mknod xxx_mknod
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# include <dlfcn.h>
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# include <errno.h>
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# include <fcntl.h>
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# include <stdio.h>
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# include <stdlib.h>
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# include <string.h>
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# include <sys/stat.h>
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# include <sys/types.h>
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# include <unistd.h>
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# include <utime.h>
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# include <stdarg.h>
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#undef mknod
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#undef open
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#undef open64
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void * get_dl_symbol(char *);
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struct status_t {
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ino_t inode;
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off_t size;
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time_t mtime;
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time_t ctime;
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};
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void handle_file_access_before(const char *, const char *, struct status_t *);
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void handle_file_access_after(const char *, const char *, struct status_t *);
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/* Wrapper Functions */
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extern int open(const char* f, int a, int b);
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int (*orig_open)(const char* f, int a, int b) = NULL;
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extern int open(const char* f, int a, int b) {
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struct status_t status;
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int old_errno=errno;
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int rc;
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handle_file_access_before("open", f, &status);
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if (!orig_open) orig_open = get_dl_symbol("open");
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errno=old_errno;
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#if DEBUG == 1
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fprintf(stderr, "fl_wrapper.so debug [%d]: going to run original open() at %p (wrapper is at %p).\n",
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getpid(), orig_open, open);
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#endif
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rc = orig_open(f, a, b);
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old_errno=errno;
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handle_file_access_after("open", f, &status);
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errno=old_errno;
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return rc;
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}
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extern int open64(const char* f, int a, int b);
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int (*orig_open64)(const char* f, int a, int b) = NULL;
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extern int open64(const char* f, int a, int b) {
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struct status_t status;
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int old_errno=errno;
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int rc;
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handle_file_access_before("open64", f, &status);
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if (!orig_open64) orig_open64 = get_dl_symbol("open64");
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errno=old_errno;
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#if DEBUG == 1
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fprintf(stderr, "fl_wrapper.so debug [%d]: going to run original open64() at %p (wrapper is at %p).\n",
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getpid(), orig_open64, open64);
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#endif
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rc = orig_open64(f, a, b);
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old_errno=errno;
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handle_file_access_after("open64", f, &status);
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errno=old_errno;
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return rc;
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}
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extern FILE* fopen(const char* f, const char* g);
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FILE* (*orig_fopen)(const char* f, const char* g) = NULL;
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extern FILE* fopen(const char* f, const char* g) {
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struct status_t status;
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int old_errno=errno;
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FILE* rc;
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handle_file_access_before("fopen", f, &status);
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if (!orig_fopen) orig_fopen = get_dl_symbol("fopen");
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errno=old_errno;
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#if DEBUG == 1
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fprintf(stderr, "fl_wrapper.so debug [%d]: going to run original fopen() at %p (wrapper is at %p).\n",
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getpid(), orig_fopen, fopen);
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#endif
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rc = orig_fopen(f, g);
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old_errno=errno;
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handle_file_access_after("fopen", f, &status);
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errno=old_errno;
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return rc;
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}
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extern FILE* fopen64(const char* f, const char* g);
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FILE* (*orig_fopen64)(const char* f, const char* g) = NULL;
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extern FILE* fopen64(const char* f, const char* g) {
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struct status_t status;
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int old_errno=errno;
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FILE* rc;
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handle_file_access_before("fopen64", f, &status);
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if (!orig_fopen64) orig_fopen64 = get_dl_symbol("fopen64");
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errno=old_errno;
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#if DEBUG == 1
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fprintf(stderr, "fl_wrapper.so debug [%d]: going to run original fopen64() at %p (wrapper is at %p).\n",
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getpid(), orig_fopen64, fopen64);
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#endif
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rc = orig_fopen64(f, g);
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old_errno=errno;
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handle_file_access_after("fopen64", f, &status);
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errno=old_errno;
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return rc;
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}
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extern int creat(const char* f, mode_t m);
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int (*orig_creat)(const char* f, mode_t m) = NULL;
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extern int creat(const char* f, mode_t m) {
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struct status_t status;
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int old_errno=errno;
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int rc;
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handle_file_access_before("creat", f, &status);
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if (!orig_creat) orig_creat = get_dl_symbol("creat");
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errno=old_errno;
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#if DEBUG == 1
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fprintf(stderr, "fl_wrapper.so debug [%d]: going to run original creat() at %p (wrapper is at %p).\n",
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getpid(), orig_creat, creat);
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#endif
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rc = orig_creat(f, m);
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old_errno=errno;
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handle_file_access_after("creat", f, &status);
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errno=old_errno;
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return rc;
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}
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extern int creat64(const char* f, mode_t m);
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int (*orig_creat64)(const char* f, mode_t m) = NULL;
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extern int creat64(const char* f, mode_t m) {
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struct status_t status;
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int old_errno=errno;
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int rc;
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handle_file_access_before("creat64", f, &status);
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if (!orig_creat64) orig_creat64 = get_dl_symbol("creat64");
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errno=old_errno;
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#if DEBUG == 1
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fprintf(stderr, "fl_wrapper.so debug [%d]: going to run original creat64() at %p (wrapper is at %p).\n",
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getpid(), orig_creat64, creat64);
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#endif
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rc = orig_creat64(f, m);
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old_errno=errno;
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handle_file_access_after("creat64", f, &status);
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errno=old_errno;
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return rc;
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}
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extern int mkdir(const char* f, mode_t m);
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int (*orig_mkdir)(const char* f, mode_t m) = NULL;
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extern int mkdir(const char* f, mode_t m) {
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struct status_t status;
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int old_errno=errno;
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int rc;
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handle_file_access_before("mkdir", f, &status);
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if (!orig_mkdir) orig_mkdir = get_dl_symbol("mkdir");
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errno=old_errno;
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#if DEBUG == 1
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fprintf(stderr, "fl_wrapper.so debug [%d]: going to run original mkdir() at %p (wrapper is at %p).\n",
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getpid(), orig_mkdir, mkdir);
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#endif
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rc = orig_mkdir(f, m);
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old_errno=errno;
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handle_file_access_after("mkdir", f, &status);
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errno=old_errno;
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return rc;
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}
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extern int mknod(const char* f, mode_t m, dev_t d);
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int (*orig_mknod)(const char* f, mode_t m, dev_t d) = NULL;
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extern int mknod(const char* f, mode_t m, dev_t d) {
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struct status_t status;
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int old_errno=errno;
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int rc;
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handle_file_access_before("mknod", f, &status);
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if (!orig_mknod) orig_mknod = get_dl_symbol("mknod");
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errno=old_errno;
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#if DEBUG == 1
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fprintf(stderr, "fl_wrapper.so debug [%d]: going to run original mknod() at %p (wrapper is at %p).\n",
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getpid(), orig_mknod, mknod);
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#endif
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rc = orig_mknod(f, m, d);
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old_errno=errno;
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handle_file_access_after("mknod", f, &status);
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errno=old_errno;
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return rc;
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}
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extern int link(const char* s, const char* f);
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int (*orig_link)(const char* s, const char* f) = NULL;
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extern int link(const char* s, const char* f) {
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struct status_t status;
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int old_errno=errno;
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int rc;
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handle_file_access_before("link", f, &status);
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if (!orig_link) orig_link = get_dl_symbol("link");
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errno=old_errno;
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#if DEBUG == 1
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fprintf(stderr, "fl_wrapper.so debug [%d]: going to run original link() at %p (wrapper is at %p).\n",
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getpid(), orig_link, link);
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#endif
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rc = orig_link(s, f);
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old_errno=errno;
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handle_file_access_after("link", f, &status);
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errno=old_errno;
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return rc;
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}
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extern int symlink(const char* s, const char* f);
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int (*orig_symlink)(const char* s, const char* f) = NULL;
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extern int symlink(const char* s, const char* f) {
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struct status_t status;
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int old_errno=errno;
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int rc;
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handle_file_access_before("symlink", f, &status);
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if (!orig_symlink) orig_symlink = get_dl_symbol("symlink");
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errno=old_errno;
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#if DEBUG == 1
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fprintf(stderr, "fl_wrapper.so debug [%d]: going to run original symlink() at %p (wrapper is at %p).\n",
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getpid(), orig_symlink, symlink);
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#endif
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rc = orig_symlink(s, f);
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old_errno=errno;
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handle_file_access_after("symlink", f, &status);
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errno=old_errno;
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return rc;
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}
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extern int rename(const char* s, const char* f);
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int (*orig_rename)(const char* s, const char* f) = NULL;
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extern int rename(const char* s, const char* f) {
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struct status_t status;
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int old_errno=errno;
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int rc;
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handle_file_access_before("rename", f, &status);
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if (!orig_rename) orig_rename = get_dl_symbol("rename");
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errno=old_errno;
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#if DEBUG == 1
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fprintf(stderr, "fl_wrapper.so debug [%d]: going to run original rename() at %p (wrapper is at %p).\n",
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getpid(), orig_rename, rename);
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#endif
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rc = orig_rename(s, f);
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old_errno=errno;
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handle_file_access_after("rename", f, &status);
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errno=old_errno;
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return rc;
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}
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extern int utime(const char* f, const struct utimbuf* t);
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int (*orig_utime)(const char* f, const struct utimbuf* t) = NULL;
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extern int utime(const char* f, const struct utimbuf* t) {
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struct status_t status;
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int old_errno=errno;
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int rc;
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handle_file_access_before("utime", f, &status);
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if (!orig_utime) orig_utime = get_dl_symbol("utime");
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errno=old_errno;
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#if DEBUG == 1
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fprintf(stderr, "fl_wrapper.so debug [%d]: going to run original utime() at %p (wrapper is at %p).\n",
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getpid(), orig_utime, utime);
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#endif
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rc = orig_utime(f, t);
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old_errno=errno;
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handle_file_access_after("utime", f, &status);
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errno=old_errno;
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return rc;
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}
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extern int utimes(const char* f, struct timeval* t);
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int (*orig_utimes)(const char* f, struct timeval* t) = NULL;
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extern int utimes(const char* f, struct timeval* t) {
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struct status_t status;
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int old_errno=errno;
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int rc;
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handle_file_access_before("utimes", f, &status);
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if (!orig_utimes) orig_utimes = get_dl_symbol("utimes");
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errno=old_errno;
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#if DEBUG == 1
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fprintf(stderr, "fl_wrapper.so debug [%d]: going to run original utimes() at %p (wrapper is at %p).\n",
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getpid(), orig_utimes, utimes);
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#endif
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rc = orig_utimes(f, t);
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old_errno=errno;
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handle_file_access_after("utimes", f, &status);
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errno=old_errno;
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return rc;
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}
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extern int execv(const char* f, char* const a[]);
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int (*orig_execv)(const char* f, char* const a[]) = NULL;
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extern int execv(const char* f, char* const a[]) {
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int old_errno=errno;
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handle_file_access_after("execv", f, NULL);
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if (!orig_execv) orig_execv = get_dl_symbol("execv");
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errno=old_errno;
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return orig_execv(f, a);
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}
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extern int execve(const char* f, char* const a[], char* const e[]);
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int (*orig_execve)(const char* f, char* const a[], char* const e[]) = NULL;
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|
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extern int execve(const char* f, char* const a[], char* const e[]) {
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int old_errno=errno;
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handle_file_access_after("execve", f, NULL);
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|
if (!orig_execve) orig_execve = get_dl_symbol("execve");
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|
errno=old_errno;
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return orig_execve(f, a, e);
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|
}
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|
|
/*
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|
* Copyright (C) 1991, 92, 94, 97, 98, 99 Free Software Foundation, Inc.
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|
* This file is part of the GNU C Library.
|
|
*
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|
* --- NO-ROCK-COPYRIGHT-NOTE ---
|
|
*
|
|
* glibc-2.2.5/posix/execl.c
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|
*/
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|
|
|
/* Execute PATH with all arguments after PATH until
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a NULL pointer and environment from `environ'. */
|
|
int
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execl (const char *path, const char *arg, ...)
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|
{
|
|
size_t argv_max = 1024;
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|
const char **argv = alloca (argv_max * sizeof (const char *));
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|
unsigned int i;
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|
va_list args;
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|
argv[0] = arg;
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|
va_start (args, arg);
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i = 0;
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|
while (argv[i++] != NULL)
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|
{
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|
if (i == argv_max)
|
|
{
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|
const char **nptr = alloca ((argv_max *= 2) * sizeof (const char *));
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|
|
|
#ifndef _STACK_GROWS_UP
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|
if ((char *) nptr + argv_max == (char *) argv)
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|
{
|
|
/* Stack grows down. */
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|
argv = (const char **) memcpy (nptr, argv,
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|
i * sizeof (const char *));
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|
argv_max += i;
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|
}
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|
else
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|
#endif
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|
#ifndef _STACK_GROWS_DOWN
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|
if ((char *) argv + i == (char *) nptr)
|
|
/* Stack grows up. */
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|
argv_max += i;
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|
else
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|
#endif
|
|
/* We have a hole in the stack. */
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|
argv = (const char **) memcpy (nptr, argv,
|
|
i * sizeof (const char *));
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|
}
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|
|
|
argv[i] = va_arg (args, const char *);
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|
}
|
|
va_end (args);
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|
|
|
return execve (path, (char *const *) argv, __environ);
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|
}
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|
|
|
/*
|
|
* Copyright (C) 1991, 92, 94, 97, 98, 99 Free Software Foundation, Inc.
|
|
* This file is part of the GNU C Library.
|
|
*
|
|
* glibc-2.2.5/posix/execle.c
|
|
*/
|
|
|
|
/* Execute PATH with all arguments after PATH until a NULL pointer,
|
|
and the argument after that for environment. */
|
|
int
|
|
execle (const char *path, const char *arg, ...)
|
|
{
|
|
size_t argv_max = 1024;
|
|
const char **argv = alloca (argv_max * sizeof (const char *));
|
|
const char *const *envp;
|
|
unsigned int i;
|
|
va_list args;
|
|
argv[0] = arg;
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|
|
|
va_start (args, arg);
|
|
i = 0;
|
|
while (argv[i++] != NULL)
|
|
{
|
|
if (i == argv_max)
|
|
{
|
|
const char **nptr = alloca ((argv_max *= 2) * sizeof (const char *));
|
|
|
|
#ifndef _STACK_GROWS_UP
|
|
if ((char *) nptr + argv_max == (char *) argv)
|
|
{
|
|
/* Stack grows down. */
|
|
argv = (const char **) memcpy (nptr, argv,
|
|
i * sizeof (const char *));
|
|
argv_max += i;
|
|
}
|
|
else
|
|
#endif
|
|
#ifndef _STACK_GROWS_DOWN
|
|
if ((char *) argv + i == (char *) nptr)
|
|
/* Stack grows up. */
|
|
argv_max += i;
|
|
else
|
|
#endif
|
|
/* We have a hole in the stack. */
|
|
argv = (const char **) memcpy (nptr, argv,
|
|
i * sizeof (const char *));
|
|
}
|
|
|
|
argv[i] = va_arg (args, const char *);
|
|
}
|
|
|
|
envp = va_arg (args, const char *const *);
|
|
va_end (args);
|
|
|
|
return execve (path, (char *const *) argv, (char *const *) envp);
|
|
}
|
|
|
|
/*
|
|
* Copyright (C) 1991, 92, 94, 97, 98, 99 Free Software Foundation, Inc.
|
|
* This file is part of the GNU C Library.
|
|
*
|
|
* glibc-2.2.5/posix/execlp.c
|
|
*/
|
|
|
|
/* Execute FILE, searching in the `PATH' environment variable if
|
|
it contains no slashes, with all arguments after FILE until a
|
|
NULL pointer and environment from `environ'. */
|
|
int
|
|
execlp (const char *file, const char *arg, ...)
|
|
{
|
|
size_t argv_max = 1024;
|
|
const char **argv = alloca (argv_max * sizeof (const char *));
|
|
unsigned int i;
|
|
va_list args;
|
|
|
|
argv[0] = arg;
|
|
|
|
va_start (args, arg);
|
|
i = 0;
|
|
while (argv[i++] != NULL)
|
|
{
|
|
if (i == argv_max)
|
|
{
|
|
const char **nptr = alloca ((argv_max *= 2) * sizeof (const char *));
|
|
|
|
#ifndef _STACK_GROWS_UP
|
|
if ((char *) nptr + argv_max == (char *) argv)
|
|
{
|
|
/* Stack grows down. */
|
|
argv = (const char **) memcpy (nptr, argv,
|
|
i * sizeof (const char *));
|
|
argv_max += i;
|
|
}
|
|
else
|
|
#endif
|
|
#ifndef _STACK_GROWS_DOWN
|
|
if ((char *) argv + i == (char *) nptr)
|
|
/* Stack grows up. */
|
|
argv_max += i;
|
|
else
|
|
#endif
|
|
/* We have a hole in the stack. */
|
|
argv = (const char **) memcpy (nptr, argv,
|
|
i * sizeof (const char *));
|
|
}
|
|
|
|
argv[i] = va_arg (args, const char *);
|
|
}
|
|
va_end (args);
|
|
|
|
return execvp (file, (char *const *) argv);
|
|
}
|
|
|
|
/*
|
|
* Copyright (C) 1991, 92, 94, 97, 98, 99 Free Software Foundation, Inc.
|
|
* This file is part of the GNU C Library.
|
|
*
|
|
* glibc-2.2.5/posix/execvp.c
|
|
*/
|
|
|
|
/* The file is accessible but it is not an executable file. Invoke
|
|
the shell to interpret it as a script. */
|
|
static void
|
|
script_execute (const char *file, char *const argv[])
|
|
{
|
|
/* Count the arguments. */
|
|
int argc = 0;
|
|
while (argv[argc++])
|
|
;
|
|
|
|
/* Construct an argument list for the shell. */
|
|
{
|
|
char *new_argv[argc + 1];
|
|
new_argv[0] = (char *) "/bin/sh";
|
|
new_argv[1] = (char *) file;
|
|
while (argc > 1)
|
|
{
|
|
new_argv[argc] = argv[argc - 1];
|
|
--argc;
|
|
}
|
|
|
|
/* Execute the shell. */
|
|
execve (new_argv[0], new_argv, __environ);
|
|
}
|
|
}
|
|
|
|
|
|
/* Execute FILE, searching in the `PATH' environment variable if it contains
|
|
no slashes, with arguments ARGV and environment from `environ'. */
|
|
int
|
|
execvp (file, argv)
|
|
const char *file;
|
|
char *const argv[];
|
|
{
|
|
if (*file == '\0')
|
|
{
|
|
/* We check the simple case first. */
|
|
errno = ENOENT;
|
|
return -1;
|
|
}
|
|
|
|
if (strchr (file, '/') != NULL)
|
|
{
|
|
/* Don't search when it contains a slash. */
|
|
execve (file, argv, __environ);
|
|
|
|
if (errno == ENOEXEC)
|
|
script_execute (file, argv);
|
|
}
|
|
else
|
|
{
|
|
int got_eacces = 0;
|
|
char *path, *p, *name;
|
|
size_t len;
|
|
size_t pathlen;
|
|
|
|
path = getenv ("PATH");
|
|
if (path == NULL)
|
|
{
|
|
/* There is no `PATH' in the environment.
|
|
The default search path is the current directory
|
|
followed by the path `confstr' returns for `_CS_PATH'. */
|
|
len = confstr (_CS_PATH, (char *) NULL, 0);
|
|
path = (char *) alloca (1 + len);
|
|
path[0] = ':';
|
|
(void) confstr (_CS_PATH, path + 1, len);
|
|
}
|
|
|
|
len = strlen (file) + 1;
|
|
pathlen = strlen (path);
|
|
name = alloca (pathlen + len + 1);
|
|
/* Copy the file name at the top. */
|
|
name = (char *) memcpy (name + pathlen + 1, file, len);
|
|
/* And add the slash. */
|
|
*--name = '/';
|
|
|
|
p = path;
|
|
do
|
|
{
|
|
char *startp;
|
|
|
|
path = p;
|
|
p = strchrnul (path, ':');
|
|
|
|
if (p == path)
|
|
/* Two adjacent colons, or a colon at the beginning or the end
|
|
of `PATH' means to search the current directory. */
|
|
startp = name + 1;
|
|
else
|
|
startp = (char *) memcpy (name - (p - path), path, p - path);
|
|
|
|
/* Try to execute this name. If it works, execv will not return. */
|
|
execve (startp, argv, __environ);
|
|
|
|
if (errno == ENOEXEC)
|
|
script_execute (startp, argv);
|
|
|
|
switch (errno)
|
|
{
|
|
case EACCES:
|
|
/* Record the we got a `Permission denied' error. If we end
|
|
up finding no executable we can use, we want to diagnose
|
|
that we did find one but were denied access. */
|
|
got_eacces = 1;
|
|
case ENOENT:
|
|
case ESTALE:
|
|
case ENOTDIR:
|
|
/* Those errors indicate the file is missing or not executable
|
|
by us, in which case we want to just try the next path
|
|
directory. */
|
|
break;
|
|
|
|
default:
|
|
/* Some other error means we found an executable file, but
|
|
something went wrong executing it; return the error to our
|
|
caller. */
|
|
return -1;
|
|
}
|
|
}
|
|
while (*p++ != '\0');
|
|
|
|
/* We tried every element and none of them worked. */
|
|
if (got_eacces)
|
|
/* At least one failure was due to permissions, so report that
|
|
error. */
|
|
errno = EACCES;
|
|
}
|
|
|
|
/* Return the error from the last attempt (probably ENOENT). */
|
|
return -1;
|
|
}
|
|
|
|
/* Internal Functions */
|
|
|
|
void * get_dl_symbol(char * symname) {
|
|
void * rc;
|
|
#if DLOPEN_LIBC
|
|
static void * libc_handle = NULL;
|
|
|
|
if (!libc_handle) libc_handle=dlopen("libc.so.6", RTLD_LAZY);
|
|
if (!libc_handle) {
|
|
printf("fl_wrapper.so: Can't dlopen libc: %s\n", dlerror());
|
|
abort();
|
|
}
|
|
|
|
rc = dlsym(libc_handle, symname);
|
|
# if DEBUG == 1
|
|
fprintf(stderr, "fl_wrapper.so debug [%d]: Symbol '%s' in libc (%p) has been resolved to %p.\n",
|
|
getpid(), symname, libc_handle, rc);
|
|
# endif
|
|
dlclose(libc_handle);
|
|
#else
|
|
rc = dlsym(RTLD_NEXT, symname);
|
|
# if DEBUG == 1
|
|
fprintf(stderr, "fl_wrapper.so debug [%d]: Symbol '%s' (RTLD_NEXT) has been resolved to %p.\n",
|
|
getpid(), symname, rc);
|
|
# endif
|
|
#endif
|
|
if (!rc) {
|
|
printf("fl_wrapper.so: Can't resolve %s: %s\n",
|
|
symname, dlerror());
|
|
abort();
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
void handle_file_access_before(const char * func, const char * file,
|
|
struct status_t * status) {
|
|
struct stat st;
|
|
#if DEBUG == 1
|
|
fprintf(stderr, "fl_wrapper.so debug [%d]: begin of handle_file_access_before(\"%s\", \"%s\", xxx)\n",
|
|
getpid(), func, file);
|
|
#endif
|
|
if ( lstat(file,&st) ) {
|
|
status->inode=0; status->size=0;
|
|
status->mtime=0; status->ctime=0;
|
|
} else {
|
|
status->inode=st.st_ino; status->size=st.st_size;
|
|
status->mtime=st.st_mtime; status->ctime=st.st_ctime;
|
|
}
|
|
#if DEBUG == 1
|
|
fprintf(stderr, "fl_wrapper.so debug [%d]: end of handle_file_access_before(\"%s\", \"%s\", xxx)\n",
|
|
getpid(), func, file);
|
|
#endif
|
|
}
|
|
|
|
char *wlog = NULL, *rlog = NULL;
|
|
|
|
void handle_file_access_after(const char * func, const char * file,
|
|
struct status_t * status) {
|
|
char buf[512], *buf2, *logfile;
|
|
char cmdname[512] = "unknown";
|
|
int fd; struct stat st;
|
|
|
|
#if DEBUG == 1
|
|
fprintf(stderr, "fl_wrapper.so debug [%d]: begin of handle_file_access_after(\"%s\", \"%s\", xxx)\n",
|
|
getpid(), func, file);
|
|
#endif
|
|
fd=readlink("/proc/self/exe", cmdname, 512);
|
|
if (fd < 1) strcpy(cmdname, "unknown");
|
|
else cmdname[fd] = 0;
|
|
|
|
if ( wlog == NULL ) wlog = getenv("FLWRAPPER_WLOG");
|
|
if ( rlog == NULL ) rlog = getenv("FLWRAPPER_RLOG");
|
|
|
|
if ( wlog != NULL && !strcmp(file, wlog) ) return;
|
|
if ( rlog != NULL && !strcmp(file, rlog) ) return;
|
|
if ( lstat(file, &st) ) return;
|
|
|
|
if ( (status != NULL) && (status->inode != st.st_ino ||
|
|
status->size != st.st_size || status->mtime != st.st_mtime ||
|
|
status->ctime != st.st_ctime) ) { logfile = wlog; }
|
|
else { logfile = rlog; }
|
|
|
|
if ( logfile == NULL ) return;
|
|
fd=open(logfile,O_APPEND|O_WRONLY,0);
|
|
if (fd == -1) return;
|
|
|
|
if (file[0] == '/') {
|
|
sprintf(buf,"%s.%s:\t%s\n",
|
|
basename(cmdname), func, file);
|
|
} else {
|
|
buf2=get_current_dir_name();
|
|
sprintf(buf,"%s.%s:\t%s%s%s\n",
|
|
basename(cmdname), func, buf2,
|
|
strcmp(buf2,"/") ? "/" : "", file);
|
|
free(buf2);
|
|
}
|
|
write(fd,buf,strlen(buf));
|
|
close(fd);
|
|
#if DEBUG == 1
|
|
fprintf(stderr, "fl_wrapper.so debug [%d]: end of handle_file_access_after(\"%s\", \"%s\", xxx)\n",
|
|
getpid(), func, file);
|
|
#endif
|
|
}
|