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#include <stdio.h>
#include <dirent.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include "filesrch.h"
#include "d_netfil.h"
//
// filesearch:
//
// ATTENTION : make sure there is enouth space in filename to put a full path (255 or 512)
// if needmd5check==0 there is no md5 check
// if changestring then filename will be change with the full path and name
// maxsearchdepth==0 only search given directory, no subdirs
// return FS_NOTFOUND
// FS_MD5SUMBAD;
// FS_FOUND
filestatus_t filesearch(char *filename, char *startpath, unsigned char *wantedmd5sum, boolean completepath, int maxsearchdepth)
{
DIR **dirhandle;
struct dirent *dent;
struct stat fstat;
int found=0;
char *searchname = strdup( filename);
filestatus_t retval = FS_NOTFOUND;
int depthleft=maxsearchdepth;
char searchpath[1024];
int *searchpathindex;
dirhandle = (DIR**) malloc( maxsearchdepth * sizeof( DIR*));
searchpathindex = (int*) malloc( maxsearchdepth * sizeof( int));
strcpy( searchpath,startpath);
searchpathindex[--depthleft] = strlen( searchpath) + 1;
dirhandle[depthleft] = opendir( searchpath);
if(searchpath[searchpathindex[depthleft]-2] != '/')
{
searchpath[searchpathindex[depthleft]-1] = '/';
searchpath[searchpathindex[depthleft]] = 0;
}
else
{
searchpathindex[depthleft]--;
}
while( (!found) && (depthleft < maxsearchdepth))
{
searchpath[searchpathindex[depthleft]]=0;
dent = readdir( dirhandle[depthleft]);
if( dent)
{
strcpy(&searchpath[searchpathindex[depthleft]],dent->d_name);
}
if( !dent)
{
closedir( dirhandle[depthleft++]);
}
else if( dent->d_name[0]=='.' &&
(dent->d_name[1]=='\0' ||
(dent->d_name[1]=='.' &&
dent->d_name[2]=='\0')))
{
// we don't want to scan uptree
}
else if( stat(searchpath,&fstat) < 0) // do we want to follow symlinks? if not: change it to lstat
{
// was the file (re)moved? can't stat it
}
else if( S_ISDIR(fstat.st_mode) && depthleft)
{
strcpy(&searchpath[searchpathindex[depthleft]],dent->d_name);
searchpathindex[--depthleft] = strlen(searchpath) + 1;
if( !(dirhandle[depthleft] = opendir(searchpath)))
{
// can't open it... maybe no read-permissions
// go back to previous dir
depthleft++;
}
searchpath[searchpathindex[depthleft]-1]='/';
searchpath[searchpathindex[depthleft]]=0;
}
else if (!strcasecmp(searchname, dent->d_name))
{
switch( checkfilemd5(searchpath, wantedmd5sum))
{
case FS_FOUND:
if(completepath)
{
strcpy(filename,searchpath);
}
else
{
strcpy(filename,dent->d_name);
}
retval=FS_FOUND;
found=1;
break;
case FS_MD5SUMBAD:
retval = FS_MD5SUMBAD;
break;
default:
// prevent some compiler warnings
break;
}
}
}
for(; depthleft<maxsearchdepth; closedir(dirhandle[depthleft++]));
free(searchname);
free(searchpathindex);
free(dirhandle);
return retval;
}
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