+++ /dev/null
-// $Id: vutil.cc,v 1.1.4.2 2003/11/18 22:30:44 ensc Exp $
-
-// Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
-// based on vutil.cc by Jacques Gelinas
-//
-// This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation; either version 2, or (at your option)
-// any later version.
-//
-// This program 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 for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-#pragma implementation
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-#include "compat.h"
-
-#undef PACKAGE
-
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <utime.h>
-#include "vutil.h"
-#include <sys/ioctl.h>
-
-#include "ext2fs.h"
-
-
-bool testmode;
-int debug;
-
-int file_copy (const char *src, const char *dst, struct stat &st)
-{
- int ret = -1;
- FILE *fin = fopen (src,"r");
- if (fin == NULL){
- fprintf (stderr,"Can't open file %s (%s)\n",src,strerror(errno));
- }else{
- FILE *fout = fopen (dst,"w");
- if (fout == NULL){
- fprintf (stderr,"Can't open file %s (%s)\n",dst,strerror(errno));
- }else{
- char buf[8192];
- int len;
- while ((len=fread(buf,1,sizeof(buf),fin))>0){
- fwrite (buf,1,len,fout);
- }
- fflush (fout);
- ret = 0;
- if (fchown (fileno(fout),st.st_uid,st.st_gid)==-1){
- fprintf (stderr,"Can't chown file %s (%s)\n"
- ,dst,strerror(errno));
- ret = -1;
- }else if (fchmod (fileno(fout),st.st_mode)==-1){
- fprintf (stderr,"Can't chmod file %s (%s)\n"
- ,dst,strerror(errno));
- ret = -1;
- }
- fclose(fout);
- struct utimbuf timbuf;
- timbuf.modtime = st.st_mtime;
- timbuf.actime = st.st_atime;
- if (utime (dst,&timbuf)==-1){
- fprintf (stderr,"Can't set time stamp on file %s (%s)\n"
- ,dst,strerror(errno));
- }
- }
- fclose (fin);
- }
- return ret;
-}
-
-/*
- Set the immutable flag on a file
-*/
-int setext2flag (const char *fname, bool set, int ext2flags)
-{
- int ret = -1;
- if (testmode){
- ret = 0;
- }else{
- int fd = open (fname,O_RDONLY);
- if (fd == -1){
- fprintf (stderr,"Can't open file %s (%s)\n",fname
- ,strerror(errno));
- }else{
- int flags = set ? ext2flags : 0;
- ret = ioctl (fd,EXT2_IOC_SETFLAGS,&flags);
- close (fd);
- if (ret == -1){
- fprintf (stderr,"Can't %s immutable flag on file %s (%s)\n"
- ,(set ? "set" : "unset")
- ,fname
- ,strerror(errno));
- }
- }
- }
- return ret;
-}
-
-int vbuild_mkdir (const char *path, mode_t mode)
-{
- int ret = -1;
- if (testmode){
- printf ("mkdir %s; chmod %o %s\n",path,mode,path);
- ret = 0;
- }else{
- ret = mkdir (path,mode);
- if (ret == -1 && errno == EEXIST){
- struct stat st;
- if (lstat(path,&st)!=-1 && S_ISDIR(st.st_mode)){
- ret = chmod (path,mode);
- }
- }
- }
- return ret;
-}
-
-int vbuild_mknod(const char *path, mode_t mode, dev_t dev)
-{
- int ret = -1;
- if (testmode){
- printf ("mknod %s %o %02x:%02x\n",path,mode,major(dev),minor(dev));
- ret = 0;
- }else{
- ret = mknod (path,mode,dev);
- if (ret == -1 && errno == EEXIST){
- struct stat st;
- lstat(path,&st);
- if (lstat(path,&st)!=-1
- && (st.st_mode & S_IFMT) == (mode & S_IFMT)
- && st.st_rdev == dev){
- ret = chmod (path,mode);
- }
- }
- }
- return ret;
-}
-int vbuild_symlink(const char *src, const char *dst)
-{
- int ret = -1;
- if (testmode){
- printf ("ln -s %s %s\n",src,dst);
- ret = 0;
- }else{
- ret = symlink (src,dst);
- }
- return ret;
-}
-
-int vbuild_link(const char *src, const char *dst)
-{
- int ret = -1;
- if (testmode){
- printf ("ln %s %s\n",src,dst);
- ret = 0;
- }else{
- ret = link (src,dst);
- }
- return ret;
-}
-
-int vbuild_unlink(const char *path)
-{
- int ret = -1;
- if (testmode){
- printf ("unlink %s\n",path);
- ret = 0;
- }else{
- ret = unlink (path);
- }
- return ret;
-}
-
-int vbuild_chown(const char *path, uid_t uid, gid_t gid)
-{
- int ret = -1;
- if (testmode){
- printf ("chown %d.%d %s\n",uid,gid,path);
- ret = 0;
- }else{
- ret = chown (path,uid,gid);
- }
- return ret;
-}
-
-int vbuild_file_copy(
- const char *src,
- const char *dst,
- struct stat &st)
-{
- int ret = -1;
- if (testmode){
- printf ("cp -a %s %s\n",src,dst);
- ret = 0;
- }else{
- ret = file_copy (src,dst,st);
- }
- return ret;
-}
-
-/*
- Load the list of all packages in a vserver
-*/
-void vutil_loadallpkg (string &refserver, list<PACKAGE> &packages)
-{
- FILE *fin = vutil_execdistcmd (K_PKGVERSION,refserver,NULL);
- if (fin != NULL){
- char line[1000];
- while (fgets(line,sizeof(line)-1,fin)!=NULL){
- int last = strlen(line)-1;
- if (last >= 0 && line[last] == '\n') line[last] = '\0';
- packages.push_back (PACKAGE(line));
- }
- pclose (fin);
- }
-}
-
-int vutil_lstat (string path, struct stat &st)
-{
- int ret = 0;
- if (lstat(path.c_str(),&st) == -1){
- fprintf (stderr,"Can't lstat file %s (%s)\n"
- ,path.c_str(),strerror(errno));
- ret = -1;
- }
- return ret;
-}
-
-const char K_PKGVERSION[]="pkgversion";
-const char K_DUMPFILES[]="dumpfiles";
-const char K_UNIFILES[]="unifiles";
-
-FILE *vutil_execdistcmd (const char *key, const string &vserver, const char *args)
-{
- string cmd = PKGLIBDIR "/distrib-info ";
- cmd += vserver;
- cmd += " ";
- cmd += key;
- if (args != NULL){
- cmd += " ";
- cmd += args;
- }
- FILE *ret = popen (cmd.c_str(),"r");
- if (ret == NULL){
- fprintf (stderr,"Can't execute command %s\n",cmd.c_str());
- }else{
- #if 0
- char buf[1000];
- while (fgets(buf,sizeof(buf)-1,fin)!=NULL){
- int last = strlen(buf)-1;
- if (last >= 0) buf[last] = '\0';
- ret = buf;
- break;
- }
- pclose (fin);
- #endif
- }
- return ret;
-}
-
git://git.onelab.eu / util-vserver.git / blobdiff