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libsolv/ext/repo_repomdxml.c

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/*
* Copyright (c) 2007, Novell Inc.
*
* This program is licensed under the BSD license, read LICENSE.BSD
* for further information
*/
#define _GNU_SOURCE
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "pool.h"
#include "repo.h"
#include "chksum.h"
#include "solv_xmlparser.h"
#include "repo_repomdxml.h"
/*
<repomd>
<!-- these tags are available in create repo > 0.9.6 -->
<revision>timestamp_or_arbitrary_user_supplied_string</revision>
<tags>
<content>opensuse</content>
<content>i386</content>
<content>other string</content>
<distro cpeid="cpe://o:opensuse_project:opensuse:11">openSUSE 11.0</distro>
</tags>
<!-- end -->
<data type="primary">
<location href="repodata/primary.xml.gz"/>
<checksum type="sha">e9162516fa25fec8d60caaf4682d2e49967786cc</checksum>
<timestamp>1215708444</timestamp>
<open-checksum type="sha">c796c48184cd5abc260e4ba929bdf01be14778a7</open-checksum>
</data>
<data type="filelists">
<location href="repodata/filelists.xml.gz"/>
<checksum type="sha">1c638295c49e9707c22810004ebb0799791fcf45</checksum>
<timestamp>1215708445</timestamp>
<open-checksum type="sha">54a40d5db3df0813b8acbe58cea616987eb9dc16</open-checksum>
</data>
<data type="other">
<location href="repodata/other.xml.gz"/>
<checksum type="sha">a81ef39eaa70e56048f8351055119d8c82af2491</checksum>
<timestamp>1215708447</timestamp>
<open-checksum type="sha">4d1ee867c8864025575a2fb8fde3b85371d51978</open-checksum>
</data>
<data type="deltainfo">
<location href="repodata/deltainfo.xml.gz"/>
<checksum type="sha">5880cfa5187026a24a552d3c0650904a44908c28</checksum>
<timestamp>1215708447</timestamp>
<open-checksum type="sha">7c964a2c3b17df5bfdd962c3be952c9ca6978d8b</open-checksum>
</data>
<data type="updateinfo">
<location href="repodata/updateinfo.xml.gz"/>
<checksum type="sha">4097f7e25c7bb0770ae31b2471a9c8c077ee904b</checksum>
<timestamp>1215708447</timestamp>
<open-checksum type="sha">24f8252f3dd041e37e7c3feb2d57e02b4422d316</open-checksum>
</data>
<data type="diskusage">
<location href="repodata/diskusage.xml.gz"/>
<checksum type="sha">4097f7e25c7bb0770ae31b2471a9c8c077ee904b</checksum>
<timestamp>1215708447</timestamp>
<open-checksum type="sha">24f8252f3dd041e37e7c3feb2d57e02b4422d316</open-checksum>
</data>
</repomd>
support also extension suseinfo format
<suseinfo>
<expire>timestamp</expire>
<products>
<id>...</id>
</products>
<kewwords>
<k>...</k>
</keywords>
</suseinfo>
*/
enum state {
STATE_START,
/* extension tags */
STATE_SUSEINFO,
STATE_EXPIRE,
STATE_KEYWORDS,
STATE_KEYWORD,
/* normal repomd.xml */
STATE_REPOMD,
STATE_REVISION,
STATE_TAGS,
STATE_REPO,
STATE_CONTENT,
STATE_DISTRO,
STATE_UPDATES,
STATE_DATA,
STATE_LOCATION,
STATE_CHECKSUM,
STATE_TIMESTAMP,
STATE_OPENCHECKSUM,
STATE_SIZE,
NUMSTATES
};
static struct solv_xmlparser_element stateswitches[] = {
/* suseinfo tags */
{ STATE_START, "repomd", STATE_REPOMD, 0 },
{ STATE_START, "suseinfo", STATE_SUSEINFO, 0 },
/* we support the tags element in suseinfo in case
createrepo version does not support it yet */
{ STATE_SUSEINFO, "tags", STATE_TAGS, 0 },
{ STATE_SUSEINFO, "expire", STATE_EXPIRE, 1 },
{ STATE_SUSEINFO, "keywords", STATE_KEYWORDS, 0 },
/* keywords is the suse extension equivalent of
tags/content when this one was not yet available.
therefore we parse both */
{ STATE_KEYWORDS, "k", STATE_KEYWORD, 1 },
/* standard tags */
{ STATE_REPOMD, "revision", STATE_REVISION, 1 },
{ STATE_REPOMD, "tags", STATE_TAGS, 0 },
{ STATE_REPOMD, "data", STATE_DATA, 0 },
{ STATE_TAGS, "repo", STATE_REPO, 1 },
{ STATE_TAGS, "content", STATE_CONTENT, 1 },
{ STATE_TAGS, "distro", STATE_DISTRO, 1 },
/* this tag is only valid in suseinfo.xml for now */
{ STATE_TAGS, "updates", STATE_UPDATES, 1 },
{ STATE_DATA, "location", STATE_LOCATION, 0 },
{ STATE_DATA, "checksum", STATE_CHECKSUM, 1 },
{ STATE_DATA, "timestamp", STATE_TIMESTAMP, 1 },
{ STATE_DATA, "open-checksum", STATE_OPENCHECKSUM, 1 },
{ STATE_DATA, "size", STATE_SIZE, 1 },
{ NUMSTATES }
};
struct parsedata {
int ret;
Pool *pool;
Repo *repo;
Repodata *data;
struct solv_xmlparser xmlp;
int timestamp;
/* handles for collection
structures */
/* repo updates */
Id ruhandle;
/* repo products */
Id rphandle;
/* repo data handle */
Id rdhandle;
Id chksumtype;
};
static void
startElement(struct solv_xmlparser *xmlp, int state, const char *name, const char **atts)
{
struct parsedata *pd = xmlp->userdata;
switch(state)
{
case STATE_REPOMD:
{
const char *updstr;
/* this should be OBSOLETE soon */
updstr = solv_xmlparser_find_attr("updates", atts);
if (updstr)
{
char *value = solv_strdup(updstr);
char *fvalue = value; /* save the first */
while (value)
{
char *p = strchr(value, ',');
if (p)
*p++ = 0;
if (*value)
repodata_add_poolstr_array(pd->data, SOLVID_META, REPOSITORY_UPDATES, value);
value = p;
}
solv_free(fvalue);
}
break;
}
case STATE_DISTRO:
{
/* this is extra metadata about the product this repository
was designed for */
const char *cpeid = solv_xmlparser_find_attr("cpeid", atts);
pd->rphandle = repodata_new_handle(pd->data);
/* set the cpeid for the product
the label is set in the content of the tag */
if (cpeid)
repodata_set_poolstr(pd->data, pd->rphandle, REPOSITORY_PRODUCT_CPEID, cpeid);
break;
}
case STATE_UPDATES:
{
/* this is extra metadata about the product this repository
was designed for */
const char *cpeid = solv_xmlparser_find_attr("cpeid", atts);
pd->ruhandle = repodata_new_handle(pd->data);
/* set the cpeid for the product
the label is set in the content of the tag */
if (cpeid)
repodata_set_poolstr(pd->data, pd->ruhandle, REPOSITORY_PRODUCT_CPEID, cpeid);
break;
}
case STATE_DATA:
{
const char *type= solv_xmlparser_find_attr("type", atts);
pd->rdhandle = repodata_new_handle(pd->data);
if (type)
repodata_set_poolstr(pd->data, pd->rdhandle, REPOSITORY_REPOMD_TYPE, type);
break;
}
case STATE_LOCATION:
{
const char *href = solv_xmlparser_find_attr("href", atts);
if (href)
repodata_set_str(pd->data, pd->rdhandle, REPOSITORY_REPOMD_LOCATION, href);
break;
}
case STATE_CHECKSUM:
case STATE_OPENCHECKSUM:
{
const char *type= solv_xmlparser_find_attr("type", atts);
pd->chksumtype = type && *type ? solv_chksum_str2type(type) : 0;
if (!pd->chksumtype)
pd->ret = pool_error(pd->pool, -1, "line %d: unknown checksum type: %s", solv_xmlparser_lineno(xmlp), type ? type : "NULL");
break;
}
default:
break;
}
return;
}
static void
endElement(struct solv_xmlparser *xmlp, int state, char *content)
{
struct parsedata *pd = xmlp->userdata;
switch (state)
{
case STATE_REPOMD:
if (pd->timestamp > 0)
repodata_set_num(pd->data, SOLVID_META, REPOSITORY_TIMESTAMP, pd->timestamp);
break;
case STATE_DATA:
if (pd->rdhandle)
repodata_add_flexarray(pd->data, SOLVID_META, REPOSITORY_REPOMD, pd->rdhandle);
pd->rdhandle = 0;
break;
case STATE_CHECKSUM:
case STATE_OPENCHECKSUM:
if (!pd->chksumtype)
break;
if (strlen(content) != 2 * solv_chksum_len(pd->chksumtype))
pd->ret = pool_error(pd->pool, -1, "line %d: invalid checksum length for %s", solv_xmlparser_lineno(xmlp), solv_chksum_type2str(pd->chksumtype));
else
repodata_set_checksum(pd->data, pd->rdhandle, state == STATE_CHECKSUM ? REPOSITORY_REPOMD_CHECKSUM : REPOSITORY_REPOMD_OPENCHECKSUM, pd->chksumtype, content);
break;
case STATE_TIMESTAMP:
{
/**
* we want to look for the newest timestamp
* of all resources to save it as the time
* the metadata was generated
*/
int timestamp = atoi(content);
if (timestamp)
repodata_set_num(pd->data, pd->rdhandle, REPOSITORY_REPOMD_TIMESTAMP, timestamp);
if (timestamp > pd->timestamp)
pd->timestamp = timestamp;
break;
}
case STATE_EXPIRE:
{
int expire = atoi(content);
if (expire > 0)
repodata_set_num(pd->data, SOLVID_META, REPOSITORY_EXPIRE, expire);
break;
}
/* repomd.xml content and suseinfo.xml keywords are equivalent */
case STATE_CONTENT:
case STATE_KEYWORD:
if (*content)
repodata_add_poolstr_array(pd->data, SOLVID_META, REPOSITORY_KEYWORDS, content);
break;
case STATE_REVISION:
if (*content)
repodata_set_str(pd->data, SOLVID_META, REPOSITORY_REVISION, content);
break;
case STATE_DISTRO:
/* distro tag is used in repomd.xml to say the product this repo is
made for */
if (*content)
repodata_set_str(pd->data, pd->rphandle, REPOSITORY_PRODUCT_LABEL, content);
repodata_add_flexarray(pd->data, SOLVID_META, REPOSITORY_DISTROS, pd->rphandle);
break;
case STATE_UPDATES:
/* updates tag is used in suseinfo.xml to say the repo updates a product
however it s not yet a tag standarized for repomd.xml */
if (*content)
repodata_set_str(pd->data, pd->ruhandle, REPOSITORY_PRODUCT_LABEL, content);
repodata_add_flexarray(pd->data, SOLVID_META, REPOSITORY_UPDATES, pd->ruhandle);
break;
case STATE_REPO:
if (*content)
repodata_add_poolstr_array(pd->data, SOLVID_META, REPOSITORY_REPOID, content);
break;
case STATE_SIZE:
if (*content)
repodata_set_num(pd->data, pd->rdhandle, REPOSITORY_REPOMD_SIZE, strtoull(content, 0, 10));
break;
default:
break;
}
}
int
repo_add_repomdxml(Repo *repo, FILE *fp, int flags)
{
Pool *pool = repo->pool;
struct parsedata pd;
Repodata *data;
data = repo_add_repodata(repo, flags);
memset(&pd, 0, sizeof(pd));
pd.timestamp = 0;
pd.pool = pool;
pd.repo = repo;
pd.data = data;
solv_xmlparser_init(&pd.xmlp, stateswitches, &pd, startElement, endElement);
if (solv_xmlparser_parse(&pd.xmlp, fp) != SOLV_XMLPARSER_OK)
pd.ret = pool_error(pd.pool, -1, "repo_repomdxml: %s at line %u:%u", pd.xmlp.errstr, pd.xmlp.line, pd.xmlp.column);
solv_xmlparser_free(&pd.xmlp);
if (!(flags & REPO_NO_INTERNALIZE))
repodata_internalize(data);
return pd.ret;
}
/* EOF */
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