152 lines
4.4 KiB
C
152 lines
4.4 KiB
C
/*-
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* Copyright (c) 2012-2015 Juan Romero Pardines.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/stat.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <dirent.h>
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#include <libgen.h>
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#include <assert.h>
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#include <pthread.h>
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#include <fcntl.h>
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#include <xbps.h>
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#include "defs.h"
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static xbps_dictionary_t dest;
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static int
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idx_cleaner_cb(struct xbps_handle *xhp,
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xbps_object_t obj,
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const char *key _unused,
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void *arg,
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bool *done _unused)
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{
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const char *repourl = arg;
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const char *arch, *pkgver, *sha256;
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char *filen, *pkgname;
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xbps_dictionary_get_cstring_nocopy(obj, "architecture", &arch);
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xbps_dictionary_get_cstring_nocopy(obj, "pkgver", &pkgver);
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xbps_dbg_printf(xhp, "%s: checking %s [%s] ...\n", repourl, pkgver, arch);
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filen = xbps_xasprintf("%s/%s.%s.xbps", repourl, pkgver, arch);
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if (access(filen, R_OK) == -1) {
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/*
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* File cannot be read, might be permissions,
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* broken or simply unexistent; either way, remove it.
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*/
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pkgname = xbps_pkg_name(pkgver);
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if (pkgname == NULL)
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goto out;
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xbps_dictionary_remove(dest, pkgname);
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free(pkgname);
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printf("index: removed pkg %s\n", pkgver);
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} else {
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/*
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* File can be read; check its hash.
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*/
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xbps_dictionary_get_cstring_nocopy(obj,
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"filename-sha256", &sha256);
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if (xbps_file_hash_check(filen, sha256) != 0) {
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pkgname = xbps_pkg_name(pkgver);
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if (pkgname == NULL)
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goto out;
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xbps_dictionary_remove(dest, pkgname);
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free(pkgname);
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printf("index: removed pkg %s\n", pkgver);
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}
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}
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out:
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free(filen);
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return 0;
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}
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/*
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* Removes stalled pkg entries in repository's XBPS_REPOIDX file, if any
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* binary package cannot be read (unavailable, not enough perms, etc).
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*/
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int
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index_clean(struct xbps_handle *xhp, const char *repodir)
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{
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xbps_array_t allkeys;
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struct xbps_repo *repo;
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char *rlockfname = NULL;
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int rv = 0, rlockfd = -1;
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if (!xbps_repo_lock(xhp, repodir, &rlockfd, &rlockfname)) {
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rv = errno;
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fprintf(stderr, "%s: cannot lock repository: %s\n",
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_XBPS_RINDEX, strerror(rv));
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return rv;
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}
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repo = xbps_repo_open(xhp, repodir);
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if (repo == NULL) {
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rv = errno;
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if (rv == ENOENT) {
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xbps_repo_unlock(rlockfd, rlockfname);
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return 0;
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}
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fprintf(stderr, "%s: cannot read repository data: %s\n",
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_XBPS_RINDEX, strerror(errno));
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xbps_repo_unlock(rlockfd, rlockfname);
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return rv;
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}
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if (repo->idx == NULL) {
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fprintf(stderr, "%s: incomplete repository data file!\n", _XBPS_RINDEX);
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rv = EINVAL;
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goto out;
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}
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printf("Cleaning `%s' index, please wait...\n", repodir);
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/*
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* First pass: find out obsolete entries on index and index-files.
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*/
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dest = xbps_dictionary_copy_mutable(repo->idx);
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allkeys = xbps_dictionary_all_keys(dest);
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(void)xbps_array_foreach_cb_multi(xhp, allkeys, repo->idx, idx_cleaner_cb, __UNCONST(repodir));
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xbps_object_release(allkeys);
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if (!xbps_dictionary_equals(dest, repo->idx)) {
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if (!repodata_flush(xhp, repodir, dest, repo->idxmeta)) {
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rv = errno;
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fprintf(stderr, "failed to write repodata: %s\n",
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strerror(errno));
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goto out;
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}
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}
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printf("index: %u packages registered.\n", xbps_dictionary_count(dest));
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out:
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xbps_repo_close(repo);
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xbps_repo_unlock(rlockfd, rlockfname);
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return rv;
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}
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