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krh@212
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/*
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krh@212
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* Copyright (C) 2008 Kristian Høgsberg <krh@redhat.com>
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krh@212
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* Copyright (C) 2008 Red Hat, Inc
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krh@212
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*
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krh@212
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* This program is free software; you can redistribute it and/or modify
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krh@212
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* it under the terms of the GNU General Public License as published by
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krh@212
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* the Free Software Foundation; either version 2 of the License, or
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krh@212
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* (at your option) any later version.
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krh@212
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*
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krh@212
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10 |
* This program is distributed in the hope that it will be useful,
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krh@212
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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krh@212
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12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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krh@212
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* GNU General Public License for more details.
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krh@212
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*
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krh@212
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* You should have received a copy of the GNU General Public License along
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krh@212
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* with this program; if not, write to the Free Software Foundation, Inc.,
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krh@212
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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krh@212
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*/
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krh@212
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danw@109
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20 |
#define _GNU_SOURCE
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danw@109
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21 |
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danw@109
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22 |
#include <string.h>
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danw@109
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#include <stdio.h>
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danw@109
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24 |
#include <sys/stat.h>
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danw@109
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25 |
#include <sys/mman.h>
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danw@109
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26 |
#include <unistd.h>
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danw@109
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27 |
#include <fcntl.h>
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danw@109
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28 |
#include <errno.h>
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danw@109
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29 |
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danw@109
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30 |
#include <expat.h>
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danw@109
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31 |
#include <zlib.h>
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danw@109
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#include "razor.h"
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danw@109
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33 |
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danw@109
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34 |
/* Import a yum filelist as a razor package set. */
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danw@109
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35 |
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danw@109
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36 |
enum {
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danw@109
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37 |
YUM_STATE_BEGIN,
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danw@109
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38 |
YUM_STATE_PACKAGE_NAME,
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krh@192
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39 |
YUM_STATE_PACKAGE_ARCH,
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danw@109
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40 |
YUM_STATE_CHECKSUM,
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danw@109
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41 |
YUM_STATE_REQUIRES,
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danw@109
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42 |
YUM_STATE_PROVIDES,
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danw@109
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43 |
YUM_STATE_OBSOLETES,
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danw@109
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44 |
YUM_STATE_CONFLICTS,
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danw@109
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45 |
YUM_STATE_FILE
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danw@109
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46 |
};
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danw@109
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47 |
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danw@109
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48 |
struct yum_context {
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danw@109
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49 |
XML_Parser primary_parser;
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danw@109
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XML_Parser filelists_parser;
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danw@109
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XML_Parser current_parser;
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danw@109
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52 |
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danw@109
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struct razor_importer *importer;
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danw@109
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struct import_property_context *current_property_context;
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krh@192
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char name[256], arch[64], buffer[512], *p;
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danw@109
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56 |
char pkgid[128];
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danw@109
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int state;
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danw@109
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58 |
};
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danw@109
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59 |
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danw@109
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60 |
static enum razor_version_relation
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danw@109
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yum_to_razor_flags (const char *flags)
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danw@109
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{
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danw@109
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/* FIXME? */
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danw@109
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if (!flags)
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danw@109
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return RAZOR_VERSION_EQUAL;
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danw@109
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danw@109
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if (flags[0] == 'L') {
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danw@109
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if (flags[1] == 'T')
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danw@109
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return RAZOR_VERSION_LESS;
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danw@109
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else
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danw@109
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return RAZOR_VERSION_LESS_OR_EQUAL;
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danw@109
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} else if (flags[0] == 'G') {
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danw@109
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if (flags[1] == 'T')
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danw@109
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return RAZOR_VERSION_GREATER;
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danw@109
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else
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danw@109
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return RAZOR_VERSION_GREATER_OR_EQUAL;
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danw@109
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} else
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danw@109
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return RAZOR_VERSION_EQUAL;
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danw@109
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}
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danw@109
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danw@109
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static void
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danw@109
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yum_primary_start_element(void *data, const char *name, const char **atts)
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danw@109
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{
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danw@109
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struct yum_context *ctx = data;
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danw@143
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const char *n, *epoch, *version, *release, *flags;
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danw@109
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char buffer[128];
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danw@109
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int i;
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danw@109
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danw@109
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if (strcmp(name, "name") == 0) {
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danw@109
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ctx->state = YUM_STATE_PACKAGE_NAME;
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danw@109
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ctx->p = ctx->name;
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krh@192
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} else if (strcmp(name, "arch") == 0) {
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krh@192
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ctx->state = YUM_STATE_PACKAGE_ARCH;
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krh@192
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ctx->p = ctx->arch;
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danw@109
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} else if (strcmp(name, "version") == 0) {
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danw@143
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epoch = NULL;
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danw@109
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version = NULL;
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danw@109
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release = NULL;
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danw@109
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for (i = 0; atts[i]; i += 2) {
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danw@143
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if (strcmp(atts[i], "epoch") == 0)
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danw@143
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epoch = atts[i + 1];
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danw@143
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else if (strcmp(atts[i], "ver") == 0)
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danw@109
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version = atts[i + 1];
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danw@109
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else if (strcmp(atts[i], "rel") == 0)
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danw@109
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release = atts[i + 1];
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danw@109
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}
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danw@109
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if (version == NULL || release == NULL) {
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danw@109
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fprintf(stderr, "invalid version tag, "
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danw@109
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"missing version or release attribute\n");
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danw@109
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return;
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danw@109
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}
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danw@109
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danw@143
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razor_build_evr(buffer, sizeof buffer, epoch, version, release);
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krh@192
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razor_importer_begin_package(ctx->importer,
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krh@192
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ctx->name, buffer, ctx->arch);
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danw@109
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} else if (strcmp(name, "checksum") == 0) {
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danw@109
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ctx->p = ctx->pkgid;
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danw@109
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ctx->state = YUM_STATE_CHECKSUM;
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danw@109
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119 |
} else if (strcmp(name, "rpm:requires") == 0) {
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danw@109
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ctx->state = YUM_STATE_REQUIRES;
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danw@109
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} else if (strcmp(name, "rpm:provides") == 0) {
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danw@109
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ctx->state = YUM_STATE_PROVIDES;
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danw@109
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} else if (strcmp(name, "rpm:obsoletes") == 0) {
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danw@109
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ctx->state = YUM_STATE_OBSOLETES;
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danw@109
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} else if (strcmp(name, "rpm:conflicts") == 0) {
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danw@109
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ctx->state = YUM_STATE_CONFLICTS;
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danw@109
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} else if (strcmp(name, "rpm:entry") == 0 &&
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danw@109
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ctx->state != YUM_STATE_BEGIN) {
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danw@109
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n = NULL;
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danw@143
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epoch = NULL;
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danw@109
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version = NULL;
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danw@109
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release = NULL;
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danw@109
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flags = NULL;
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danw@109
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for (i = 0; atts[i]; i += 2) {
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danw@109
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135 |
if (strcmp(atts[i], "name") == 0)
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danw@109
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136 |
n = atts[i + 1];
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danw@143
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else if (strcmp(atts[i], "epoch") == 0)
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danw@143
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epoch = atts[i + 1];
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danw@109
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else if (strcmp(atts[i], "ver") == 0)
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danw@109
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140 |
version = atts[i + 1];
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danw@109
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else if (strcmp(atts[i], "rel") == 0)
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danw@109
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142 |
release = atts[i + 1];
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danw@109
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else if (strcmp(atts[i], "flags") == 0)
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danw@109
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flags = atts[i + 1];
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danw@109
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}
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danw@109
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146 |
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danw@109
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147 |
if (n == NULL) {
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danw@109
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148 |
fprintf(stderr, "invalid rpm:entry, "
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danw@109
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"missing name or version attributes\n");
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danw@109
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150 |
return;
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danw@109
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151 |
}
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danw@109
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152 |
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danw@143
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153 |
razor_build_evr(buffer, sizeof buffer, epoch, version, release);
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danw@109
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154 |
switch (ctx->state) {
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danw@109
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155 |
case YUM_STATE_REQUIRES:
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danw@109
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156 |
razor_importer_add_property(ctx->importer, n,
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danw@109
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157 |
yum_to_razor_flags (flags),
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danw@109
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158 |
buffer,
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danw@109
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159 |
RAZOR_PROPERTY_REQUIRES);
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danw@109
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160 |
break;
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danw@109
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161 |
case YUM_STATE_PROVIDES:
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danw@109
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162 |
razor_importer_add_property(ctx->importer, n,
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danw@109
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163 |
yum_to_razor_flags (flags),
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danw@109
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164 |
buffer,
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danw@109
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165 |
RAZOR_PROPERTY_PROVIDES);
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danw@109
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166 |
break;
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danw@109
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167 |
case YUM_STATE_OBSOLETES:
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danw@109
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168 |
razor_importer_add_property(ctx->importer, n,
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danw@109
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169 |
yum_to_razor_flags (flags),
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danw@109
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170 |
buffer,
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danw@109
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171 |
RAZOR_PROPERTY_OBSOLETES);
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danw@109
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172 |
break;
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danw@109
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173 |
case YUM_STATE_CONFLICTS:
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danw@109
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174 |
razor_importer_add_property(ctx->importer, n,
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danw@109
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175 |
yum_to_razor_flags (flags),
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danw@109
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176 |
buffer,
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danw@109
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177 |
RAZOR_PROPERTY_CONFLICTS);
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danw@109
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178 |
break;
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danw@109
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179 |
}
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danw@109
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180 |
}
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danw@109
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181 |
}
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danw@109
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182 |
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danw@109
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183 |
static void
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danw@109
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184 |
yum_primary_end_element (void *data, const char *name)
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danw@109
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185 |
{
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danw@109
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186 |
struct yum_context *ctx = data;
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danw@109
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187 |
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danw@109
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188 |
switch (ctx->state) {
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danw@109
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189 |
case YUM_STATE_PACKAGE_NAME:
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krh@192
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190 |
case YUM_STATE_PACKAGE_ARCH:
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danw@109
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191 |
case YUM_STATE_CHECKSUM:
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danw@109
|
192 |
case YUM_STATE_FILE:
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danw@109
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193 |
ctx->state = YUM_STATE_BEGIN;
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danw@109
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194 |
break;
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danw@109
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195 |
}
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danw@109
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196 |
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danw@109
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197 |
if (strcmp(name, "package") == 0) {
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danw@109
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198 |
XML_StopParser(ctx->current_parser, XML_TRUE);
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danw@109
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199 |
ctx->current_parser = ctx->filelists_parser;
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danw@109
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200 |
}
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danw@109
|
201 |
}
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danw@109
|
202 |
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danw@109
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203 |
static void
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danw@109
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204 |
yum_character_data (void *data, const XML_Char *s, int len)
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danw@109
|
205 |
{
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danw@109
|
206 |
struct yum_context *ctx = data;
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danw@109
|
207 |
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danw@109
|
208 |
switch (ctx->state) {
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danw@109
|
209 |
case YUM_STATE_PACKAGE_NAME:
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krh@192
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210 |
case YUM_STATE_PACKAGE_ARCH:
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danw@109
|
211 |
case YUM_STATE_CHECKSUM:
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danw@109
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212 |
case YUM_STATE_FILE:
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danw@109
|
213 |
memcpy(ctx->p, s, len);
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danw@109
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214 |
ctx->p += len;
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danw@109
|
215 |
*ctx->p = '\0';
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danw@109
|
216 |
break;
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danw@109
|
217 |
}
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danw@109
|
218 |
}
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danw@109
|
219 |
|
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danw@109
|
220 |
static void
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danw@109
|
221 |
yum_filelists_start_element(void *data, const char *name, const char **atts)
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danw@109
|
222 |
{
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danw@109
|
223 |
struct yum_context *ctx = data;
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danw@109
|
224 |
const char *pkg, *pkgid;
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danw@109
|
225 |
int i;
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danw@109
|
226 |
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danw@109
|
227 |
if (strcmp(name, "package") == 0) {
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danw@109
|
228 |
pkg = NULL;
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danw@109
|
229 |
pkgid = NULL;
|
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danw@109
|
230 |
for (i = 0; atts[i]; i += 2) {
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danw@109
|
231 |
if (strcmp(atts[i], "name") == 0)
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danw@109
|
232 |
pkg = atts[i + 1];
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danw@109
|
233 |
else if (strcmp(atts[i], "pkgid") == 0)
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danw@109
|
234 |
pkgid = atts[i + 1];
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danw@109
|
235 |
}
|
|
danw@109
|
236 |
if (strcmp(pkgid, ctx->pkgid) != 0)
|
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danw@109
|
237 |
fprintf(stderr, "primary.xml and filelists.xml "
|
|
danw@109
|
238 |
"mismatch for %s: %s vs %s",
|
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danw@109
|
239 |
pkg, pkgid, ctx->pkgid);
|
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danw@109
|
240 |
} else if (strcmp(name, "file") == 0) {
|
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danw@109
|
241 |
ctx->state = YUM_STATE_FILE;
|
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danw@109
|
242 |
ctx->p = ctx->buffer;
|
|
danw@109
|
243 |
}
|
|
danw@109
|
244 |
}
|
|
danw@109
|
245 |
|
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danw@109
|
246 |
|
|
danw@109
|
247 |
static void
|
|
danw@109
|
248 |
yum_filelists_end_element (void *data, const char *name)
|
|
danw@109
|
249 |
{
|
|
danw@109
|
250 |
struct yum_context *ctx = data;
|
|
danw@109
|
251 |
|
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danw@109
|
252 |
ctx->state = YUM_STATE_BEGIN;
|
|
danw@109
|
253 |
if (strcmp(name, "package") == 0) {
|
|
danw@109
|
254 |
XML_StopParser(ctx->current_parser, XML_TRUE);
|
|
danw@109
|
255 |
ctx->current_parser = ctx->primary_parser;
|
|
danw@109
|
256 |
razor_importer_finish_package(ctx->importer);
|
|
danw@109
|
257 |
} else if (strcmp(name, "file") == 0)
|
|
danw@109
|
258 |
razor_importer_add_file(ctx->importer, ctx->buffer);
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|
danw@109
|
259 |
|
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danw@109
|
260 |
}
|
|
danw@109
|
261 |
|
|
danw@109
|
262 |
#define XML_BUFFER_SIZE 4096
|
|
danw@109
|
263 |
|
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danw@109
|
264 |
struct razor_set *
|
|
danw@109
|
265 |
razor_set_create_from_yum(void)
|
|
danw@109
|
266 |
{
|
|
danw@109
|
267 |
struct yum_context ctx;
|
|
danw@109
|
268 |
void *buf;
|
|
danw@109
|
269 |
int len, ret;
|
|
danw@109
|
270 |
gzFile primary, filelists;
|
|
danw@109
|
271 |
XML_ParsingStatus status;
|
|
danw@109
|
272 |
|
|
danw@109
|
273 |
ctx.importer = razor_importer_new();
|
|
danw@109
|
274 |
ctx.state = YUM_STATE_BEGIN;
|
|
danw@109
|
275 |
|
|
danw@109
|
276 |
ctx.primary_parser = XML_ParserCreate(NULL);
|
|
danw@109
|
277 |
XML_SetUserData(ctx.primary_parser, &ctx);
|
|
danw@109
|
278 |
XML_SetElementHandler(ctx.primary_parser,
|
|
danw@109
|
279 |
yum_primary_start_element,
|
|
danw@109
|
280 |
yum_primary_end_element);
|
|
danw@109
|
281 |
XML_SetCharacterDataHandler(ctx.primary_parser,
|
|
danw@109
|
282 |
yum_character_data);
|
|
danw@109
|
283 |
|
|
danw@109
|
284 |
ctx.filelists_parser = XML_ParserCreate(NULL);
|
|
danw@109
|
285 |
XML_SetUserData(ctx.filelists_parser, &ctx);
|
|
danw@109
|
286 |
XML_SetElementHandler(ctx.filelists_parser,
|
|
danw@109
|
287 |
yum_filelists_start_element,
|
|
danw@109
|
288 |
yum_filelists_end_element);
|
|
danw@109
|
289 |
XML_SetCharacterDataHandler(ctx.filelists_parser,
|
|
danw@109
|
290 |
yum_character_data);
|
|
danw@109
|
291 |
|
|
danw@109
|
292 |
primary = gzopen("primary.xml.gz", "rb");
|
|
danw@109
|
293 |
if (primary == NULL)
|
|
danw@109
|
294 |
return NULL;
|
|
danw@109
|
295 |
filelists = gzopen("filelists.xml.gz", "rb");
|
|
danw@109
|
296 |
if (filelists == NULL)
|
|
danw@109
|
297 |
return NULL;
|
|
danw@109
|
298 |
|
|
danw@109
|
299 |
ctx.current_parser = ctx.primary_parser;
|
|
danw@109
|
300 |
|
|
danw@109
|
301 |
do {
|
|
danw@109
|
302 |
XML_GetParsingStatus(ctx.current_parser, &status);
|
|
danw@109
|
303 |
switch (status.parsing) {
|
|
danw@109
|
304 |
case XML_SUSPENDED:
|
|
danw@109
|
305 |
ret = XML_ResumeParser(ctx.current_parser);
|
|
danw@109
|
306 |
break;
|
|
danw@109
|
307 |
case XML_PARSING:
|
|
danw@109
|
308 |
case XML_INITIALIZED:
|
|
danw@109
|
309 |
buf = XML_GetBuffer(ctx.current_parser,
|
|
danw@109
|
310 |
XML_BUFFER_SIZE);
|
|
danw@109
|
311 |
if (ctx.current_parser == ctx.primary_parser)
|
|
danw@109
|
312 |
len = gzread(primary, buf, XML_BUFFER_SIZE);
|
|
danw@109
|
313 |
else
|
|
danw@109
|
314 |
len = gzread(filelists, buf, XML_BUFFER_SIZE);
|
|
danw@109
|
315 |
if (len < 0) {
|
|
danw@109
|
316 |
fprintf(stderr,
|
|
danw@109
|
317 |
"couldn't read input: %s\n",
|
|
danw@109
|
318 |
strerror(errno));
|
|
danw@109
|
319 |
return NULL;
|
|
danw@109
|
320 |
}
|
|
danw@109
|
321 |
|
|
danw@109
|
322 |
XML_ParseBuffer(ctx.current_parser, len, len == 0);
|
|
danw@109
|
323 |
break;
|
|
danw@109
|
324 |
case XML_FINISHED:
|
|
danw@109
|
325 |
break;
|
|
danw@109
|
326 |
}
|
|
danw@109
|
327 |
} while (status.parsing != XML_FINISHED);
|
|
danw@109
|
328 |
|
|
danw@109
|
329 |
|
|
danw@109
|
330 |
XML_ParserFree(ctx.primary_parser);
|
|
danw@109
|
331 |
XML_ParserFree(ctx.filelists_parser);
|
|
danw@109
|
332 |
|
|
danw@109
|
333 |
gzclose(primary);
|
|
danw@109
|
334 |
gzclose(filelists);
|
|
danw@109
|
335 |
|
|
danw@109
|
336 |
return razor_importer_finish(ctx.importer);
|
|
danw@109
|
337 |
}
|