100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
/*-
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* Copyright (c) 2012 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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include <dirent.h>
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#include <assert.h>
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#include "defs.h"
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int
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cachedir_clean(struct xbps_handle *xhp)
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{
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prop_dictionary_t pkg_propsd, repo_pkgd;
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DIR *dirp;
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struct dirent *dp;
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const char *pkgver, *rsha256;
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char *binpkg;
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int rv = 0;
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if ((dirp = opendir(xhp->cachedir)) == NULL)
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return 0;
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while ((dp = readdir(dirp)) != NULL) {
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if ((strcmp(dp->d_name, ".") == 0) ||
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(strcmp(dp->d_name, "..") == 0))
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continue;
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/* only process xbps binary packages, ignore something else */
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if (!strstr(dp->d_name, ".xbps")) {
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printf("ignoring unknown file: %s\n", dp->d_name);
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continue;
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}
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/* Internalize props.plist dictionary from binary pkg */
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binpkg = xbps_xasprintf("%s/%s", xhp->cachedir, dp->d_name);
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assert(binpkg != NULL);
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pkg_propsd = xbps_dictionary_metadata_plist_by_url(binpkg,
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"./props.plist");
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if (pkg_propsd == NULL) {
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xbps_error_printf("Failed to read from %s: %s\n",
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dp->d_name, strerror(errno));
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free(binpkg);
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rv = errno;
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break;
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}
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prop_dictionary_get_cstring_nocopy(pkg_propsd, "pkgver", &pkgver);
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/*
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* Remove binary pkg if it's not registered in any repository
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* or if hash doesn't match.
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*/
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repo_pkgd = xbps_rpool_find_pkg_exact(xhp, pkgver);
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if (repo_pkgd) {
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prop_dictionary_get_cstring_nocopy(repo_pkgd,
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"filename-sha256", &rsha256);
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if (xbps_file_hash_check(binpkg, rsha256) == ERANGE) {
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printf("Removed %s from cachedir (sha256 mismatch)\n",
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dp->d_name);
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if (unlink(binpkg) == -1)
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fprintf(stderr, "Failed to remove "
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"`%s': %s\n", binpkg,
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strerror(errno));
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}
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free(binpkg);
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continue;
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}
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printf("Removed %s from cachedir (obsolete)\n", dp->d_name);
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if (unlink(binpkg) == -1)
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fprintf(stderr, "Failed to remove `%s': %s\n",
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binpkg, strerror(errno));
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free(binpkg);
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}
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closedir(dirp);
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return rv;
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}
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