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|
/*
File: dir.c
Copyright (C) 1998-2009 Christophe GRENIER <grenier@cgsecurity.org>
This software 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 of the License, 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 the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef DISABLED_FOR_FRAMAC
#undef HAVE_CHMOD
#endif
#include <stdio.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#include "types.h"
#include <errno.h>
#ifdef HAVE_IO_H
#include <io.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "common.h"
#include "dir.h"
#include "log.h"
#include "log_part.h"
#define MAX_DIR_NBR 256
const char *monstr[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
/*@
@ terminates \true;
@ assigns \result;
@*/
static char ftypelet (unsigned int bits)
{
#ifdef LINUX_S_ISBLK
if (LINUX_S_ISBLK (bits))
return 'b';
#endif
if (LINUX_S_ISCHR (bits))
return 'c';
if (LINUX_S_ISDIR (bits))
return 'd';
if (LINUX_S_ISREG (bits))
return '-';
#ifdef LINUX_S_ISFIFO
if (LINUX_S_ISFIFO (bits))
return 'p';
#endif
#ifdef LINUX_S_ISLNK
if (LINUX_S_ISLNK (bits))
return 'l';
#endif
#ifdef LINUX_S_ISSOCK
if (LINUX_S_ISSOCK (bits))
return 's';
#endif
#ifdef LINUX_S_ISMPC
if (LINUX_S_ISMPC (bits))
return 'm';
#endif
#ifdef LINUX_S_ISNWK
if (LINUX_S_ISNWK (bits))
return 'n';
#endif
#ifdef LINUX_S_ISDOOR
if (LINUX_S_ISDOOR (bits))
return 'D';
#endif
#ifdef LINUX_S_ISCTG
if (LINUX_S_ISCTG (bits))
return 'C';
#endif
#ifdef LINUX_S_ISOFD
if (LINUX_S_ISOFD (bits))
/* off line, with data */
return 'M';
#endif
#ifdef LINUX_S_ISOFL
/* off line, with no data */
if (LINUX_S_ISOFL (bits))
return 'M';
#endif
return '?';
}
void mode_string (const unsigned int mode, char *str)
{
#ifndef DISABLED_FOR_FRAMAC
str[0] = ftypelet(mode);
str[1] = (mode & LINUX_S_IRUSR) ? 'r' : '-';
str[2] = (mode & LINUX_S_IWUSR) ? 'w' : '-';
str[3] = (mode & LINUX_S_IXUSR) ? 'x' : '-';
str[4] = (mode & LINUX_S_IRGRP) ? 'r' : '-';
str[5] = (mode & LINUX_S_IWGRP) ? 'w' : '-';
str[6] = (mode & LINUX_S_IXGRP) ? 'x' : '-';
str[7] = (mode & LINUX_S_IROTH) ? 'r' : '-';
str[8] = (mode & LINUX_S_IWOTH) ? 'w' : '-';
str[9] = (mode & LINUX_S_IXOTH) ? 'x' : '-';
str[10]='\0';
#ifdef LINUX_S_ISUID
if (mode & LINUX_S_ISUID)
{
if (str[3] != 'x')
/* Set-uid, but not executable by owner. */
str[3] = 'S';
else
str[3] = 's';
}
#endif
#ifdef LINUX_S_ISGID
if (mode & LINUX_S_ISGID)
{
if (str[6] != 'x')
/* Set-gid, but not executable by group. */
str[6] = 'S';
else
str[6] = 's';
}
#endif
#ifdef LINUX_S_ISVTX
if (mode & LINUX_S_ISVTX)
{
if (str[9] != 'x')
/* Sticky, but not executable by others. */
str[9] = 'T';
else
str[9] = 't';
}
#endif
#endif
}
int set_datestr(char *datestr, size_t n, const time_t timev)
{
const struct tm *tm_p;
#if ! defined(__MINGW32__)
struct tm tmp;
#endif
if(timev==0)
{
strncpy(datestr, " ", n);
return 0;
}
#if defined(__MINGW32__) || defined(DISABLED_FOR_FRAMAC)
tm_p=localtime(&timev);
#else
tm_p=localtime_r(&timev, &tmp);
#endif
if(tm_p==NULL)
{
strncpy(datestr, " ", n);
return 0;
}
snprintf(datestr, n,"%2d-%s-%4d %02d:%02d",
tm_p->tm_mday, monstr[tm_p->tm_mon],
1900 + tm_p->tm_year, tm_p->tm_hour,
tm_p->tm_min);
if(1900+tm_p->tm_year>=2000)
return 1;
return 0;
}
int dir_aff_log(const dir_data_t *dir_data, const file_info_t *dir_list)
{
int test_date=0;
struct td_list_head *file_walker = NULL;
if(dir_data!=NULL)
{
log_info("Directory %s\n",dir_data->current_directory);
}
#ifndef DISABLED_FOR_FRAMAC
td_list_for_each(file_walker, &dir_list->list)
{
const file_info_t *current_file=td_list_entry_const(file_walker, const file_info_t, list);
char datestr[80];
char str[11];
test_date=set_datestr((char *)&datestr, sizeof(datestr), current_file->td_mtime);
mode_string(current_file->st_mode, str);
if((current_file->status&FILE_STATUS_DELETED)!=0)
log_info("X");
else
log_info(" ");
log_info("%7lu %s %5u %5u %9llu %s ",
(unsigned long int)current_file->st_ino,
str,
(unsigned int)current_file->st_uid,
(unsigned int)current_file->st_gid,
(long long unsigned int)current_file->st_size,
datestr);
if(dir_data!=NULL && (dir_data->param&FLAG_LIST_PATHNAME)!=0)
{
if(dir_data->current_directory[1]!='\0')
log_info("%s/", dir_data->current_directory);
else
log_info("/");
}
log_info("%s\n", current_file->name);
}
#endif
return test_date;
}
void log_list_file(const disk_t *disk, const partition_t *partition, const dir_data_t *dir_data, const file_info_t*list)
{
#ifndef DISABLED_FOR_FRAMAC
struct td_list_head *tmp;
log_partition(disk, partition);
if(dir_data!=NULL)
{
log_info("Directory %s\n",dir_data->current_directory);
}
td_list_for_each(tmp, &list->list)
{
char datestr[80];
char str[11];
const file_info_t *current_file=td_list_entry_const(tmp, const file_info_t, list);
if((current_file->status&FILE_STATUS_DELETED)!=0)
log_info("X");
else
log_info(" ");
set_datestr((char *)&datestr, sizeof(datestr), current_file->td_mtime);
mode_string(current_file->st_mode, str);
log_info("%7lu ",(unsigned long int)current_file->st_ino);
log_info("%s %5u %5u ",
str, (unsigned int)current_file->st_uid, (unsigned int)current_file->st_gid);
log_info("%9llu", (long long unsigned int)current_file->st_size);
log_info(" %s %s\n", datestr, current_file->name);
}
#endif
}
unsigned int delete_list_file(file_info_t *file_info)
{
unsigned int nbr=0;
struct td_list_head *file_walker = NULL;
struct td_list_head *file_walker_next = NULL;
#ifndef DISABLED_FOR_FRAMAC
td_list_for_each_safe(file_walker,file_walker_next, &file_info->list)
{
file_info_t *tmp;
tmp=td_list_entry(file_walker, file_info_t, list);
free(tmp->name);
td_list_del(file_walker);
free(tmp);
nbr++;
}
#endif
return nbr;
}
/*@
@ requires \valid_read(current_file);
@ requires \valid_read(inode_known + (0 .. dir_nbr-1));
@ assigns \nothing;
@*/
static int is_inode_valid(const file_info_t *current_file, const unsigned int dir_nbr, const unsigned long int *inode_known)
{
const unsigned long int new_inode=current_file->st_ino;
unsigned int i;
if(new_inode<2)
return 0;
if(strcmp(current_file->name, "..")==0)
return 0;
/*@
@ loop assigns i;
@ loop variant dir_nbr - i;
@*/
for(i=0; i<dir_nbr; i++)
if(new_inode==inode_known[i]) /* Avoid loop */
return 0;
return 1;
}
/*@
@ requires \valid(disk);
@ requires valid_disk(disk);
@ requires \valid_read(partition);
@ requires valid_partition(partition);
@ requires \valid(dir_data);
@ requires \separated(disk, partition, dir_data);
@ decreases 0;
@*/
static int dir_whole_partition_log_aux(disk_t *disk, const partition_t *partition, dir_data_t *dir_data, const unsigned long int inode)
{
struct td_list_head *file_walker = NULL;
static unsigned int dir_nbr=0;
static unsigned long int inode_known[MAX_DIR_NBR];
const unsigned int current_directory_namelength=strlen(dir_data->current_directory);
file_info_t dir_list;
TD_INIT_LIST_HEAD(&dir_list.list);
if(dir_nbr==MAX_DIR_NBR)
return 1; /* subdirectories depth is too high => Back */
if(dir_data->verbose>0)
log_info("\ndir_partition inode=%lu\n",inode);
dir_data->get_dir(disk, partition, dir_data, inode, &dir_list);
dir_aff_log(dir_data, &dir_list);
/* Not perfect for FAT32 root cluster */
inode_known[dir_nbr++]=inode;
td_list_for_each(file_walker, &dir_list.list)
{
const file_info_t *current_file=td_list_entry_const(file_walker, const file_info_t, list);
if(LINUX_S_ISDIR(current_file->st_mode)!=0 &&
is_inode_valid(current_file, dir_nbr, inode_known)>0 &&
strlen(dir_data->current_directory)+1+strlen(current_file->name)<sizeof(dir_data->current_directory)-1)
{
if(strcmp(dir_data->current_directory,"/"))
strcat(dir_data->current_directory,"/");
strcat(dir_data->current_directory,current_file->name);
dir_whole_partition_log_aux(disk, partition, dir_data, current_file->st_ino);
/* restore current_directory name */
dir_data->current_directory[current_directory_namelength]='\0';
}
}
delete_list_file(&dir_list);
dir_nbr--;
return 0;
}
int dir_whole_partition_log(disk_t *disk, const partition_t *partition, dir_data_t *dir_data, const unsigned long int inode)
{
log_partition(disk, partition);
return dir_whole_partition_log_aux(disk, partition, dir_data, inode);
}
/*@
@ requires \valid(disk);
@ requires valid_disk(disk);
@ requires \valid_read(partition);
@ requires valid_partition(partition);
@ requires \valid(dir_data);
@ requires \valid(copy_ok);
@ requires \valid(copy_bad);
@ requires \separated(disk, partition, dir_data, copy_ok, copy_bad);
@ decreases 0;
@*/
static int dir_whole_partition_copy_aux(disk_t *disk, const partition_t *partition, dir_data_t *dir_data, const unsigned long int inode, unsigned int *copy_ok, unsigned int *copy_bad)
{
struct td_list_head *file_walker = NULL;
static unsigned int dir_nbr=0;
static unsigned long int inode_known[MAX_DIR_NBR];
const unsigned int current_directory_namelength=strlen(dir_data->current_directory);
file_info_t dir_list;
TD_INIT_LIST_HEAD(&dir_list.list);
if(dir_nbr==MAX_DIR_NBR)
return 1; /* subdirectories depth is too high => Back */
dir_data->get_dir(disk, partition, dir_data, inode, &dir_list);
/* Not perfect for FAT32 root cluster */
inode_known[dir_nbr++]=inode;
td_list_for_each(file_walker, &dir_list.list)
{
const file_info_t *current_file=td_list_entry_const(file_walker, const file_info_t, list);
if(strlen(dir_data->current_directory) + 1 + strlen(current_file->name) <
sizeof(dir_data->current_directory)-1)
{
if(strcmp(dir_data->current_directory,"/"))
strcat(dir_data->current_directory,"/");
strcat(dir_data->current_directory,current_file->name);
if(LINUX_S_ISDIR(current_file->st_mode)!=0)
{
if(is_inode_valid(current_file, dir_nbr, inode_known)>0)
{
dir_whole_partition_copy_aux(disk, partition, dir_data, current_file->st_ino, copy_ok, copy_bad);
}
}
else if(LINUX_S_ISREG(current_file->st_mode)!=0)
{
if(dir_data->copy_file(disk, partition, dir_data, current_file) == 0)
(*copy_ok)++;
else
(*copy_bad)++;
}
}
/* restore current_directory name */
dir_data->current_directory[current_directory_namelength]='\0';
}
delete_list_file(&dir_list);
dir_nbr--;
return 0;
}
void dir_whole_partition_copy(disk_t *disk, const partition_t *partition, dir_data_t *dir_data, const unsigned long int inode)
{
unsigned int copy_ok=0;
unsigned int copy_bad=0;
char *dst_directory=(char *)MALLOC(4096);
dst_directory[0]='.';
dst_directory[1]='\0';
#ifdef HAVE_GETCWD
if(getcwd(dst_directory, 4096)==NULL)
{
free(dst_directory);
return ;
}
#endif
dir_data->local_dir=dst_directory;
dir_whole_partition_copy_aux(disk, partition, dir_data, inode, ©_ok, ©_bad);
log_info("Copy done! %u ok, %u failed", copy_ok, copy_bad);
}
int filesort(const struct td_list_head *a, const struct td_list_head *b)
{
const file_info_t *file_a=td_list_entry_const(a, const file_info_t, list);
/*@ assert \valid_read(file_a); */
const file_info_t *file_b=td_list_entry_const(b, const file_info_t, list);
/*@ assert \valid_read(file_b); */
/* Directories must be listed before files */
const int res=((file_b->st_mode&LINUX_S_IFDIR)-(file_a->st_mode&LINUX_S_IFDIR));
if(res)
return res;
/*@ assert valid_read_string(file_a->name); */
/* . and .. must listed before the other directories */
if((file_a->st_mode&LINUX_S_IFDIR) && strcmp(file_a->name, ".")==0)
return -1;
if((file_a->st_mode&LINUX_S_IFDIR) && strcmp(file_a->name, "..")==0 &&
strcmp(file_b->name, ".")!=0)
return -1;
/*@ assert valid_read_string(file_b->name); */
if((file_b->st_mode&LINUX_S_IFDIR) && strcmp(file_b->name, ".")==0)
return 1;
if((file_b->st_mode&LINUX_S_IFDIR) && strcmp(file_b->name, "..")==0 &&
strcmp(file_a->name, ".")!=0)
return 1;
/* Files and directories are sorted by name */
return strcmp(file_a->name, file_b->name);
}
/*
* The mode_xlate function translates a linux mode into a native-OS mode_t.
*/
static struct {
unsigned int lmask;
mode_t mask;
} mode_table[] = {
#ifdef S_IRUSR
{ LINUX_S_IRUSR, S_IRUSR },
#endif
#ifdef S_IWUSR
{ LINUX_S_IWUSR, S_IWUSR },
#endif
#ifdef S_IXUSR
{ LINUX_S_IXUSR, S_IXUSR },
#endif
#ifdef S_IRGRP
{ LINUX_S_IRGRP, S_IRGRP },
#endif
#ifdef S_IWGRP
{ LINUX_S_IWGRP, S_IWGRP },
#endif
#ifdef S_IXGRP
{ LINUX_S_IXGRP, S_IXGRP },
#endif
#ifdef S_IROTH
{ LINUX_S_IROTH, S_IROTH },
#endif
#ifdef S_IWOTH
{ LINUX_S_IWOTH, S_IWOTH },
#endif
#ifdef S_IXOTH
{ LINUX_S_IXOTH, S_IXOTH },
#endif
{ 0, 0 }
};
/*@
@ assigns \nothing;
@*/
static mode_t mode_xlate(unsigned int lmode)
{
unsigned int i;
mode_t mode = 0;
/*@
@ loop unroll 20;
@ loop assigns i, mode;
@*/
for (i=0; mode_table[i].lmask; i++)
{
if (lmode & mode_table[i].lmask)
mode |= mode_table[i].mask;
}
return mode;
}
/**
* set_mode - Set the file's date and time
* @pathname: Path and name of the file to alter
* @mode: Mode using LINUX values
*
* Give a file a particular mode.
*
* Return: 0 Success, set the file's mode
* -1 Error, failed to change the file's mode
*/
int set_mode(const char *pathname, unsigned int mode)
{
#if defined(HAVE_CHMOD) && ! ( defined(__CYGWIN__) || defined(__MINGW32__) || defined(DJGPP) || defined(__OS2__))
return chmod(pathname, mode_xlate(mode));
#else
return 0;
#endif
}
/*@
@ requires valid_string(fn);
@*/
static void strip_fn(char *fn)
{
unsigned int i;
/*@
@ loop assigns i;
@*/
for(i=0;fn[i]!='\0';i++);
/*@
@ loop assigns i;
@ loop invariant i;
@*/
while(i>0 && (fn[i-1]==' '||fn[i-1]=='.'))
i--;
if(i==0 && (fn[i]==' '||fn[i]=='.'))
fn[i++]='_';
fn[i]='\0';
}
#ifdef DJGPP
static inline unsigned char convert_char_dos(unsigned char car)
{
if(car<0x20)
return '_';
switch(car)
{
/* Forbidden */
case '<':
case '>':
case ':':
case '"':
/* case '/': subdirectory */
case '\\':
case '|':
case '?':
case '*':
/* Not recommanded */
case '[':
case ']':
case ';':
case ',':
case '+':
case '=':
return '_';
}
/* 'a' */
if(car>=224 && car<=230)
return 'a';
/* 'c' */
if(car==231)
return 'c';
/* 'e' */
if(car>=232 && car<=235)
return 'e';
/* 'i' */
if(car>=236 && car<=239)
return 'n';
/* n */
if(car==241)
return 'n';
/* 'o' */
if((car>=242 && car<=246) || car==248)
return 'o';
/* 'u' */
if(car>=249 && car<=252)
return 'u';
/* 'y' */
if(car>=253)
return 'y';
return car;
}
/*
* filename_convert reads a maximum of n and writes a maximum of n+1 bytes
* dst string will be null-terminated
*/
static unsigned int filename_convert(char *dst, const char*src, const unsigned int n)
{
unsigned int i;
/*@
@ loop assigns i, dst[0 .. i];
@ loop variant n - i;
@*/
for(i=0;i<n && src[i]!='\0';i++)
dst[i]=convert_char_dos(src[i]);
/*@
@ loop variant i;
@*/
while(i>0 && (dst[i-1]==' '||dst[i-1]=='.'))
i--;
if(i==0 && (dst[i]==' '||dst[i]=='.'))
dst[i++]='_';
dst[i]='\0';
return i;
}
#elif defined(__CYGWIN__) || defined(__MINGW32__)
static inline unsigned char convert_char_win(unsigned char car)
{
if(car<0x20)
return '_';
switch(car)
{
/* Forbidden */
case '<':
case '>':
case ':':
case '"':
/* case '/': subdirectory */
case '\\':
case '|':
case '?':
case '*':
/* Not recommanded, valid for NTFS, invalid for FAT */
case '[':
case ']':
case '+':
/* Not recommanded */
case ';':
case ',':
case '=':
return '_';
}
return car;
}
static unsigned int filename_convert(char *dst, const char*src, const unsigned int n)
{
unsigned int i;
for(i=0;i<n && src[i]!='\0';i++)
dst[i]=convert_char_win(src[i]);
while(i>0 && (dst[i-1]==' '||dst[i-1]=='.'))
i--;
if(i==0 && (dst[i]==' '||dst[i]=='.'))
dst[i++]='_';
dst[i]='\0';
return i;
}
#elif defined(__APPLE__)
static unsigned int filename_convert(char *dst, const char*src, const unsigned int n)
{
unsigned int i,j;
const unsigned char *p; /* pointers to actual position in source buffer */
unsigned char *q; /* pointers to actual position in destination buffer */
p=(const unsigned char *)src;
q=(unsigned char *)dst;
for(i=0,j=0; (*p)!='\0' && i<n; i++)
{
if((*p & 0x80)==0x00)
{
*q++=*p++;
j++;
}
else if((*p & 0xe0)==0xc0 && (*(p+1) & 0xc0)==0x80)
{
*q++=*p++;
*q++=*p++;
j+=2;
}
else if((*p & 0xf0)==0xe0 && (*(p+1) & 0xc0)==0x80 && (*(p+2) & 0xc0)==0x80)
{
*q++=*p++;
*q++=*p++;
*q++=*p++;
j+=3;
}
else
{
*q++='_';
p++;
j++;
}
}
*q='\0';
return j;
}
#else
/*@
@ requires \valid(dst + (0 .. n));
@ requires \valid_read(src + (0 .. n-1));
@ requires \separated(dst + (..), src + (..));
@*/
static unsigned int filename_convert(char *dst, const char*src, const unsigned int n)
{
unsigned int i;
/*@
@ loop assigns i, dst[0 .. i];
@ loop invariant n - i;
@*/
for(i=0;i<n && src[i]!='\0';i++)
dst[i]=src[i];
dst[i]='\0';
return i;
}
#endif
char *gen_local_filename(const char *filename)
{
const int l=strlen(filename);
char *dst=(char *)MALLOC(l+1);
filename_convert(dst, filename, l);
#if defined(DJGPP) || defined(__CYGWIN__) || defined(__MINGW32__)
if(filename[0]!='\0' && filename[1]==':')
dst[1]=':';
#endif
return dst;
}
char *mkdir_local(const char *localroot, const char *pathname)
{
#ifdef DISABLED_FOR_FRAMAC
return NULL;
#else
const int l1=(localroot==NULL?0:strlen(localroot));
const int l2=strlen(pathname);
char *localdir=(char *)MALLOC(l1+l2+1);
const char *src;
char *dst;
if(localroot!=NULL)
memcpy(localdir, localroot, l1);
memcpy(localdir+l1, pathname, l2+1);
#ifdef HAVE_MKDIR
#ifdef __MINGW32__
if(mkdir(localdir)>=0 || errno==EEXIST)
return localdir;
#else
if(mkdir(localdir, 0775)>=0 || errno==EEXIST)
return localdir;
#endif
/* Need to create the parent and maybe convert the pathname */
if(localroot!=NULL)
memcpy(localdir, localroot, l1);
localdir[l1]='\0';
src=pathname;
dst=localdir+l1;
while(*src!='\0')
{
unsigned int n=0;
const char *src_org=src;
char *dst_org=dst;
for(n=0;
*src!='\0' && (n==0 || *src!='/');
dst++, src++, n++)
*dst=*src;
*dst='\0';
#ifdef __MINGW32__
if(mkdir(localdir)<0 && errno==EINVAL)
{
unsigned int l;
l=filename_convert(dst_org, src_org, n);
dst=dst_org+l;
mkdir(localdir);
}
#elif defined(__CYGWIN__)
if(memcmp(&localdir[1],":/cygdrive",11)!=0 &&
mkdir(localdir, 0775)<0 && errno==EINVAL)
{
unsigned int l;
l=filename_convert(dst_org, src_org, n);
dst=dst_org+l;
mkdir(localdir, 0775);
}
#else
if(mkdir(localdir, 0775)<0 && errno==EINVAL)
{
unsigned int l;
l=filename_convert(dst_org, src_org, n);
dst=dst_org+l;
(void)mkdir(localdir, 0775);
}
#endif
}
#else
#warning "You need a mkdir function!"
#endif
return localdir;
#endif
}
void mkdir_local_for_file(const char *filename)
{
char *dir;
char *sep;
dir=strdup(filename);
sep=strrchr(dir,'/');
if(sep!=NULL)
{
*sep='\0';
free(mkdir_local(NULL, dir));
}
free(dir);
}
FILE *fopen_local(char **localfilename, const char *localroot, const char *filename)
{
#ifdef DISABLED_FOR_FRAMAC
return NULL;
#else
const int l1=strlen(localroot);
const int l2=strlen(filename);
const char *src;
char *dst=(char *)MALLOC(l1+l2+1);
const char *src_org=filename;
char *dst_org=dst;
FILE *f_out;
memcpy(dst, localroot, l1);
memcpy(dst+l1, filename, l2+1);
*localfilename=dst;
strip_fn(dst);
f_out=fopen(dst,"wb");
if(f_out)
return f_out;
/* Need to create the parent and maybe convert the pathname */
src=filename;
memcpy(dst, localroot, l1+1);
dst+=l1;
while(*src!='\0')
{
unsigned int n;
src_org=src;
dst_org=dst;
for(n=0;
*src!='\0' && (n==0 || *src!='/');
dst++, src++, n++)
*dst=*src;
*dst='\0';
if(*src!='\0')
{
#ifdef __MINGW32__
if(mkdir(*localfilename)<0 && errno==EINVAL)
{
unsigned int l;
l=filename_convert(dst_org, src_org, n);
dst=dst_org+l;
mkdir(*localfilename);
}
#elif defined(__CYGWIN__)
if(memcmp(&localfilename[1],":/cygdrive",11)!=0 &&
mkdir(*localfilename, 0775)<0 &&
(errno==EINVAL || errno==ENOENT))
{
unsigned int l;
l=filename_convert(dst_org, src_org, n);
dst=dst_org+l;
mkdir(*localfilename, 0775);
}
#else
if(mkdir(*localfilename, 0775)<0 && errno==EINVAL)
{
unsigned int l;
l=filename_convert(dst_org, src_org, n);
dst=dst_org+l;
(void)mkdir(*localfilename, 0775);
}
#endif
}
}
f_out=fopen(*localfilename,"wb");
if(f_out)
return f_out;
filename_convert(dst_org, src_org, l2);
return fopen(*localfilename,"wb");
#endif
}
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