xbps/bin/xbps-rindex/index-clean.c
Duncan Overbruck 44cd938115
Revert "Use shared LICENSE file for all xbps code."
This reverts commit be7d8cfaf1.

This commit missed some previous copyrights mentioned,
in general I think its better to have this per-file to
follow who wrote what and when.
2020-04-29 14:12:10 +02:00

182 lines
5.5 KiB
C

/*-
* Copyright (c) 2012-2019 Juan Romero Pardines.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/stat.h>
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <dirent.h>
#include <libgen.h>
#include <assert.h>
#include <pthread.h>
#include <fcntl.h>
#include <xbps.h>
#include "defs.h"
static xbps_dictionary_t dest;
struct CleanerCbInfo {
const char *repourl;
bool hashcheck;
};
static int
idx_cleaner_cb(struct xbps_handle *xhp,
xbps_object_t obj,
const char *key UNUSED,
void *arg,
bool *done UNUSED)
{
struct CleanerCbInfo *info = arg;
const char *arch = NULL, *pkgver = NULL, *sha256 = NULL;
char *filen, pkgname[XBPS_NAME_SIZE];
xbps_dictionary_get_cstring_nocopy(obj, "architecture", &arch);
xbps_dictionary_get_cstring_nocopy(obj, "pkgver", &pkgver);
xbps_dbg_printf(xhp, "%s: checking %s [%s] ...\n", info->repourl, pkgver, arch);
filen = xbps_xasprintf("%s/%s.%s.xbps", info->repourl, pkgver, arch);
if (access(filen, R_OK) == -1) {
/*
* File cannot be read, might be permissions,
* broken or simply unexistent; either way, remove it.
*/
if (!xbps_pkg_name(pkgname, sizeof(pkgname), pkgver))
goto out;
xbps_dictionary_remove(dest, pkgname);
printf("index: removed pkg %s\n", pkgver);
} else if (info->hashcheck) {
/*
* File can be read; check its hash.
*/
xbps_dictionary_get_cstring_nocopy(obj,
"filename-sha256", &sha256);
if (xbps_file_sha256_check(filen, sha256) != 0) {
if (!xbps_pkg_name(pkgname, sizeof(pkgname), pkgver))
goto out;
xbps_dictionary_remove(dest, pkgname);
printf("index: removed pkg %s\n", pkgver);
}
}
out:
free(filen);
return 0;
}
static int
cleanup_repo(struct xbps_handle *xhp, const char *repodir, struct xbps_repo *repo,
const char *reponame, bool hashcheck, const char *compression)
{
int rv = 0;
xbps_array_t allkeys;
struct CleanerCbInfo info = {
.hashcheck = hashcheck,
.repourl = repodir
};
/*
* First pass: find out obsolete entries on index and index-files.
*/
dest = xbps_dictionary_copy_mutable(repo->idx);
allkeys = xbps_dictionary_all_keys(dest);
(void)xbps_array_foreach_cb_multi(xhp, allkeys, repo->idx, idx_cleaner_cb, &info);
xbps_object_release(allkeys);
if (strcmp("stagedata", reponame) == 0 && xbps_dictionary_count(dest) == 0) {
char *stagefile = xbps_repo_path_with_name(xhp, repodir, "stagedata");
unlink(stagefile);
free(stagefile);
}
if (!xbps_dictionary_equals(dest, repo->idx)) {
if (!repodata_flush(xhp, repodir, reponame, dest, repo->idxmeta, compression)) {
rv = errno;
fprintf(stderr, "failed to write repodata: %s\n",
strerror(errno));
return rv;
}
}
if (strcmp("stagedata", reponame) == 0)
printf("stage: %u packages registered.\n", xbps_dictionary_count(dest));
else
printf("index: %u packages registered.\n", xbps_dictionary_count(dest));
return rv;
}
/*
* Removes stalled pkg entries in repository's XBPS_REPOIDX file, if any
* binary package cannot be read (unavailable, not enough perms, etc).
*/
int
index_clean(struct xbps_handle *xhp, const char *repodir, const bool hashcheck, const char *compression)
{
struct xbps_repo *repo, *stage;
char *rlockfname = NULL;
int rv = 0, rlockfd = -1;
if (!xbps_repo_lock(xhp, repodir, &rlockfd, &rlockfname)) {
rv = errno;
fprintf(stderr, "%s: cannot lock repository: %s\n",
_XBPS_RINDEX, strerror(rv));
return rv;
}
repo = xbps_repo_public_open(xhp, repodir);
if (repo == NULL) {
rv = errno;
if (rv == ENOENT) {
xbps_repo_unlock(rlockfd, rlockfname);
return 0;
}
fprintf(stderr, "%s: cannot read repository data: %s\n",
_XBPS_RINDEX, strerror(errno));
xbps_repo_unlock(rlockfd, rlockfname);
return rv;
}
stage = xbps_repo_stage_open(xhp, repodir);
if (repo->idx == NULL || (stage && stage->idx == NULL)) {
fprintf(stderr, "%s: incomplete repository data file!\n", _XBPS_RINDEX);
rv = EINVAL;
goto out;
}
printf("Cleaning `%s' index, please wait...\n", repodir);
if ((rv = cleanup_repo(xhp, repodir, repo, "repodata", hashcheck, compression))) {
goto out;
}
if (stage) {
cleanup_repo(xhp, repodir, stage, "stagedata", hashcheck, compression);
}
out:
xbps_repo_release(repo);
if(stage)
xbps_repo_release(stage);
xbps_repo_unlock(rlockfd, rlockfname);
return rv;
}