/* *  ntchange.c * *  Copyright (C) 1995-1997, 1999 Martin von L鰓is *  Copyright (C) 1997 R間is Duchesne */#ifdef HAVE_CONFIG_H#include "config.h"#endif#include <stdio.h>#ifdef HAVE_GETOPT_H#include <getopt.h>#else#define getopt_long(a,v,o,ol,x)        getopt(a,v,o)#endif#ifdef HAVE_UNISTD_H#include <unistd.h>#endif#include <sys/stat.h>#ifdef HAVE_FCNTL_H#include <fcntl.h>#endif#ifdef HAVE_IO_H#include <io.h>#endif#include <string.h>#include <stdlib.h>#include "ntfstypes.h"#include "struct.h"#include "util.h"#include "nttools.h"#include "inode.h"#include "super.h"#include "attr.h"char *short_opts="f:s:a:p:d:W:t:i:A:L:n:V";#ifdef HAVE_GETOPT_Hstruct option options[]={	{"filesystem",1,0,'f'},	{"source",1,0,'s'},	{"alloc-clusters",1,0,'a'},	{"dealloc-clusters",1,0,'d'},	{"path",1,0,'p'},	{"write-inode",1,0,'W'},	{"truncate",1,0,'t'},	{"inum",1,0,'i'},	{"anum",1,0,'A'},	{"symlink",1,0,'L'},	{"new-file",1,0,'n'},	{"version",0,0,'V'},	{0,0,0,0}};#endifvoid my_perror(const char* msg,int error){	fprintf(stderr,"%s:%s\n",msg,strerror(error));	exit(1);}int usage(void){	fprintf(stderr,"ntchange [options]\n"		"-f device                 Volume\n"		"-s source                 Source file for modification\n"		"-o offset                 Offset in file\n"		"-p [directory/]filename   File path to modify\n"		"-a start size             Allocate cluster range\n"		"-d start size             Deallocate cluster range\n"		"-W inum                   Read and write inode inum\n"		"-t newsize                truncate inode to newsize\n"		"-i inum                   operate on inode inum\n"		"-A anum                   operate on attribute anum (80)\n"		"-L string                 make inode a symlink with value string\n"		"-n name                   create file name in dir inum\n"		"-V                        print version\n"		);	return 1;}/* print the file ino on stdout */void ntfs_change_file(ntfs_inode *ino,char *buf,int offset,int count){	int position;	ntfs_io io;	position=0;	/* write to the unnamed data attribute */	io.fn_put=0;	io.fn_get=0;	/* we don't need copyfunctions here */	io.param=buf;	io.size=count;	ntfs_write_attr(ino,ino->vol->at_data,NULL,offset,&io);}int main(int argc,char *argv[]){	int c,error;	char *device=0;	char *source=0;	char *name=0;	void *buf;	int fsource;	ntfs_volume *volume;	ntfs_inode ino;	int inum=-1;	int offset=0;	int alloc_start = -2;	int alloc_size=0,dealloc_start=-2;	int Winum=0;	int truncate=-2,anum=0x80;	char *symlink=0;	char *newfile=0;	struct stat sb;	extern int optind,opterr;	extern char* optarg;	ntfs_attribute *attr;	opterr=1;	while((c=getopt_long(argc,argv,short_opts,options,NULL))>0)		switch(c)		{		case 'f': device=strdup(optarg);break;		case 's': source=strdup(optarg);break;		case 'o': offset=strtol(optarg,NULL,0);break;		case 'p': name=optarg;break;		case 'a': alloc_start=strtol(optarg,NULL,0);			alloc_size=strtol(argv[optind++],NULL,0);			break;		case 'd': dealloc_start=strtol(optarg,NULL,0);			alloc_size=strtol(argv[optind++],NULL,0);			break;		case 'W': Winum=strtol(optarg,NULL,0);break;		case 't': truncate=strtol(optarg,NULL,0);break;		case 'i': inum=strtol(optarg,NULL,0);break;		case 'A': anum=strtol(optarg,NULL,0);break;		case 'L': symlink=optarg;break;		case 'n': newfile=optarg;break;		case 'V': printf("ntdir " NTFS_VERSION "\n");exit(0);break;		default: usage();exit(0);		}	volume=ntfs_open_volume(device,0,1,0);	if(!volume)return 1;	volume->nct=nct_utf8;	if(alloc_start!= -2){		int st = alloc_start;		error=ntfs_allocate_clusters(volume,&st,&alloc_size,0);		if(error)my_perror("allocate",error);		printf("Got range %x+%x\n", 		       (unsigned int)st, alloc_size);		return 0;	}	if(dealloc_start!= -2){		error=ntfs_deallocate_clusters(volume,dealloc_start,alloc_size);		if(error)my_perror("deallocate",error);		return 0;	}	if(Winum){		error=ntfs_init_inode(&ino,volume,Winum);		if(error)my_perror("winum",error);		error=ntfs_update_inode(&ino);		if(error)my_perror("winum",error);		return 0;	}	if(truncate!=-2){		if(inum==-1){			usage();			return 1;		}		error=ntfs_init_inode(&ino,volume,inum);		if(error)my_perror("init",error);		attr=ntfs_find_attr(&ino,anum,0);		if(!attr){			fprintf(stderr,"Inode %x has no attribute %x\n",inum,anum);			return 1;		}		error=ntfs_resize_attr(&ino,attr,truncate);		if(error)my_perror("resize",error);		error=ntfs_update_inode(&ino);		if(error)my_perror("writeback",error);		return 0;	}	if(symlink){		unsigned short *data;		int nlen;		ntfs_attribute* aresult;		if(inum<0){			fprintf(stderr,"No inum given to for symlink");			return 1;		}		nlen=strlen(symlink);		data=malloc(nlen*2+2);		ntfs_ascii2uni(data,symlink,nlen);		error=ntfs_init_inode(&ino,volume,inum);		if(error)my_perror("init",error);		error=ntfs_create_attr(&ino,volume->at_symlink,0,				       data,nlen*2,&aresult);		if(error)my_perror("create symlink",error);		attr=ntfs_find_attr(&ino,volume->at_standard_information,0);		NTFS_PUTU8((ntfs_u8*)attr->d.data+8, 0x40);		error=ntfs_update_inode(&ino);		if(error)my_perror("writeback",error);		return 0;	}	if(newfile){		ntfs_inode dir;		if(inum<0){			fprintf(stderr,"no dir given for newfile\n");			return 1;		}		error=ntfs_init_inode(&dir,volume,inum); /* FIXME: check for dir */		if(error)my_perror("init",error);		error=ntfs_alloc_file(&dir,&ino,newfile,strlen(newfile));		if(error)my_perror("create new file",error);		error=ntfs_update_inode(&ino);		if(error)my_perror("writeback",error);		error=ntfs_update_inode(&dir);		if(error)my_perror("directory writeback",error);		fprintf(stderr,"allocated inode %x\n",ino.i_number);		/*error=ntfs_dir_add1(&dir,newfile,strlen(newfile),&ino);		if(error){			fprintf(stderr,"error %x when modifying directory\n",				error);			return 1;		}		*/		return 0;	}	  	if(!source)		return usage();	fsource=open(source,O_RDONLY);	if(fsource==-1)	{		perror(source);		return 1;	}	if(fstat(fsource,&sb)!=0)	{		perror(source);		return 1;	}	buf=malloc(sb.st_size);	if(!buf)	{		perror(argv[0]);		return 1;	}	if(read(fsource,buf,sb.st_size)!=sb.st_size)	{		perror(argv[0]);		return 1;	}	inum=5;	/* walk the directory tree */	do{		char *next;		error=ntfs_init_inode(&ino,volume,inum);		if(error)my_perror("init",error);		if(!name || !*name)break;		next=strpbrk(name,NTFS_PATH_SEP);		if(next){			*next='\0';			next++;		}		inum=ntfs_find_file(&ino,name);		if(inum==-1){			printf("%s not found\n",name);			return 1;		}		name=next;	}while(1);	ino.i_number=inum;	ntfs_change_file(&ino,buf,offset,sb.st_size);	return 0;}/* * Local variables: * c-file-style: "linux" * End: */