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/* This file is part of "reprepro"
* Copyright (C) 2003,2004,2005 Bernhard R. Link
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include <config.h>
#include <errno.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <zlib.h>
#include "error.h"
#include "names.h"
#include "chunks.h"
#include "readrelease.h"
/* get a strlist with the md5sums of a Release-file */
retvalue release_getchecksums(const char *releasefile,struct strlist *info) {
gzFile fi;
retvalue r;
char *chunk;
struct strlist files,checksuminfo;
char *filename,*md5sum;
int i;
fi = gzopen(releasefile,"r");
if( fi == NULL ) {
fprintf(stderr,"Error opening %s: %m!\n",releasefile);
return RET_ERRNO(errno);
}
r = chunk_read(fi,&chunk);
i = gzclose(fi);
if( !RET_IS_OK(r) ) {
fprintf(stderr,"Error reading %s.\n",releasefile);
if( r == RET_NOTHING )
return RET_ERROR;
else
return r;
}
if( i < 0) {
fprintf(stderr,"Closing revealed reading error in %s.\n",releasefile);
free(chunk);
return RET_ZERRNO(i);
}
r = chunk_getextralinelist(chunk,"MD5Sum",&files);
free(chunk);
if( r == RET_NOTHING ) {
fprintf(stderr,"Missing MD5Sum-field.\n");
return RET_ERROR;
}
if( RET_WAS_ERROR(r) )
return r;
strlist_init(&checksuminfo);
for( i = 0 ; i < files.count ; i++ ) {
r = calc_parsefileline(files.values[i],&filename,&md5sum);
if( RET_WAS_ERROR(r) ) {
strlist_done(&files);
strlist_done(&checksuminfo);
return r;
}
r = strlist_add(&checksuminfo,filename);
if( RET_WAS_ERROR(r) ) {
strlist_done(&files);
strlist_done(&checksuminfo);
return r;
}
r = strlist_add(&checksuminfo,md5sum);
if( RET_WAS_ERROR(r) ) {
strlist_done(&files);
strlist_done(&checksuminfo);
return r;
}
}
strlist_done(&files);
assert( checksuminfo.count % 2 == 0 );
strlist_move(info,&checksuminfo);
return RET_OK;
}
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