package_register.c

/*-
 * Copyright (c) 2008-2020 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <time.h>
 
#include "xbps_api_impl.h"
 
int HIDDEN
xbps_register_pkg(struct xbps_handle *xhp, xbps_dictionary_t pkgrd)
{
        xbps_array_t replaces;
        xbps_dictionary_t pkgd;
        time_t t;
        struct tm tm, *tmp;
        const char *pkgver, *pkgname;
        char sha256[XBPS_SHA256_SIZE], outstr[64], *buf;
        int rv = 0;
 
        assert(xbps_object_type(pkgrd) == XBPS_TYPE_DICTIONARY);
 
        xbps_dictionary_make_immutable(pkgrd);
        if ((pkgd = xbps_dictionary_copy_mutable(pkgrd)) == NULL) {
                goto out;
        }
 
        xbps_dictionary_get_cstring_nocopy(pkgd, "pkgver", &pkgver);
        xbps_dictionary_get_cstring_nocopy(pkgd, "pkgname", &pkgname);
 
        if (xhp->flags & XBPS_FLAG_INSTALL_REPRO) {
                /*
                 * Reproducible mode. Some objects must not be recorded:
                 *      - install-date
                 *      - repository
                 */
                xbps_dictionary_remove(pkgd, "repository");
        } else {
                /*
                 * Set the "install-date" object to know the pkg installation date.
                 */
                t = time(NULL);
                if ((tmp = localtime_r(&t, &tm)) == NULL) {
                        xbps_dbg_printf("%s: localtime_r failed: %s\n",
                                        pkgver, strerror(errno));
                        rv = EINVAL;
                        goto out;
                }
                if (strftime(outstr, sizeof(outstr)-1, "%F %R %Z", tmp) == 0) {
                        xbps_dbg_printf("%s: strftime failed: %s\n",
                                        pkgver, strerror(errno));
                        rv = EINVAL;
                        goto out;
                }
                if (!xbps_dictionary_set_cstring(pkgd, "install-date", outstr)) {
                        xbps_dbg_printf("%s: install-date set failed!\n", pkgver);
                        rv = EINVAL;
                        goto out;
                }
        }
        /*
         * Create a hash for the pkg's metafile if it exists.
         */
        buf = xbps_xasprintf("%s/.%s-files.plist", xhp->metadir, pkgname);
        if (xbps_file_sha256(sha256, sizeof sha256, buf)) {
                xbps_dictionary_set_cstring(pkgd, "metafile-sha256", sha256);
        }
        free(buf);
        /*
         * Remove self replacement when applicable.
         */
        if ((replaces = xbps_dictionary_get(pkgd, "replaces"))) {
                buf = xbps_xasprintf("%s>=0", pkgname);
                xbps_remove_string_from_array(replaces, buf);
                free(buf);
                if (!xbps_array_count(replaces))
                        xbps_dictionary_remove(pkgd, "replaces");
        }
        /*
         * Remove unneeded objs from pkg dictionary.
         */
        xbps_dictionary_remove(pkgd, "download");
        xbps_dictionary_remove(pkgd, "remove-and-update");
        xbps_dictionary_remove(pkgd, "transaction");
        xbps_dictionary_remove(pkgd, "skip-obsoletes");
        xbps_dictionary_remove(pkgd, "pkgname");
        xbps_dictionary_remove(pkgd, "version");
 
        if (!xbps_dictionary_set(xhp->pkgdb, pkgname, pkgd)) {
                xbps_dbg_printf("%s: failed to set pkgd for %s\n", __func__, pkgver);
        }
out:
        xbps_object_release(pkgd);
 
        return rv;
}