426 lines
13 KiB
C
426 lines
13 KiB
C
/*-
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* Copyright (c) 2008-2014 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 <errno.h>
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#include "xbps_api_impl.h"
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static int
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store_dependency(struct xbps_handle *xhp,
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xbps_array_t unsorted,
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xbps_dictionary_t repo_pkgd,
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pkg_state_t repo_pkg_state)
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{
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const char *pkgver;
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int rv;
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/*
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* Overwrite package state in dictionary with same state than the
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* package currently uses, otherwise not-installed.
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*/
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if ((rv = xbps_set_pkg_state_dictionary(repo_pkgd, repo_pkg_state)) != 0)
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return rv;
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/*
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* Add required objects into package dep's dictionary.
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*/
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if (!xbps_dictionary_set_bool(repo_pkgd, "automatic-install", true))
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return EINVAL;
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/*
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* Add the dictionary into the unsorted queue.
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*/
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xbps_array_add(unsorted, repo_pkgd);
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xbps_dictionary_get_cstring_nocopy(repo_pkgd, "pkgver", &pkgver);
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xbps_dbg_printf_append(xhp, " (added %s)\n", pkgver);
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return 0;
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}
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static int
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add_missing_reqdep(struct xbps_handle *xhp, const char *reqpkg)
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{
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xbps_array_t mdeps;
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xbps_string_t reqpkg_str;
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xbps_object_iterator_t iter = NULL;
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xbps_object_t obj;
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unsigned int idx = 0;
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bool add_pkgdep, pkgfound, update_pkgdep;
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int rv = 0;
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assert(reqpkg != NULL);
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add_pkgdep = update_pkgdep = pkgfound = false;
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mdeps = xbps_dictionary_get(xhp->transd, "missing_deps");
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reqpkg_str = xbps_string_create_cstring_nocopy(reqpkg);
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if (reqpkg_str == NULL)
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return errno;
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iter = xbps_array_iterator(mdeps);
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if (iter == NULL)
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goto out;
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while ((obj = xbps_object_iterator_next(iter)) != NULL) {
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const char *curdep, *curver, *pkgver;
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char *curpkgnamedep = NULL, *pkgnamedep = NULL;
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assert(xbps_object_type(obj) == XBPS_TYPE_STRING);
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curdep = xbps_string_cstring_nocopy(obj);
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curver = xbps_pkgpattern_version(curdep);
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pkgver = xbps_pkgpattern_version(reqpkg);
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if (curver == NULL || pkgver == NULL)
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goto out;
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curpkgnamedep = xbps_pkgpattern_name(curdep);
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if (curpkgnamedep == NULL)
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goto out;
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pkgnamedep = xbps_pkgpattern_name(reqpkg);
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if (pkgnamedep == NULL) {
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free(curpkgnamedep);
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goto out;
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}
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if (strcmp(pkgnamedep, curpkgnamedep) == 0) {
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pkgfound = true;
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if (strcmp(curver, pkgver) == 0) {
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free(curpkgnamedep);
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free(pkgnamedep);
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rv = EEXIST;
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goto out;
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}
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/*
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* if new dependency version is greater than current
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* one, store it.
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*/
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xbps_dbg_printf(xhp, "Missing pkgdep name matched, curver: %s newver: %s\n", curver, pkgver);
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if (xbps_cmpver(curver, pkgver) <= 0) {
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add_pkgdep = false;
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free(curpkgnamedep);
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free(pkgnamedep);
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rv = EEXIST;
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goto out;
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}
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update_pkgdep = true;
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}
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free(curpkgnamedep);
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free(pkgnamedep);
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if (pkgfound)
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break;
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idx++;
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}
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add_pkgdep = true;
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out:
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if (iter)
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xbps_object_iterator_release(iter);
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if (update_pkgdep)
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xbps_array_remove(mdeps, idx);
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if (add_pkgdep) {
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char *str;
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str = xbps_xasprintf("MISSING: %s", reqpkg);
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xbps_array_add_cstring(mdeps, str);
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free(str);
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}
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return rv;
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}
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#define MAX_DEPTH 512
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static int
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find_repo_deps(struct xbps_handle *xhp,
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xbps_array_t unsorted, /* array of unsorted deps */
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xbps_array_t pkg_rdeps_array, /* current pkg rundeps array */
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xbps_array_t pkg_provides, /* current pkg provides array */
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const char *curpkg, /* current pkgver */
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unsigned short *depth) /* max recursion depth */
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{
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xbps_dictionary_t curpkgd = NULL;
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xbps_object_t obj;
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xbps_object_iterator_t iter;
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xbps_array_t curpkgrdeps = NULL, curpkgprovides = NULL;
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pkg_state_t state;
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const char *reqpkg, *pkgver_q, *reason = NULL;
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char *pkgname, *reqpkgname;
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int rv = 0;
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bool foundvpkg;
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if (*depth >= MAX_DEPTH)
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return ELOOP;
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/*
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* Iterate over the list of required run dependencies for
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* current package.
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*/
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iter = xbps_array_iterator(pkg_rdeps_array);
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assert(iter);
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while ((obj = xbps_object_iterator_next(iter))) {
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foundvpkg = false;
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reqpkg = xbps_string_cstring_nocopy(obj);
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if (xhp->flags & XBPS_FLAG_DEBUG) {
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xbps_dbg_printf(xhp, "");
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for (unsigned short x = 0; x < *depth; x++) {
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xbps_dbg_printf_append(xhp, " ");
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}
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xbps_dbg_printf_append(xhp, "%s: requires dependency '%s': ", curpkg ? curpkg : " ", reqpkg);
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}
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if (((pkgname = xbps_pkgpattern_name(reqpkg)) == NULL) &&
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((pkgname = xbps_pkg_name(reqpkg)) == NULL)) {
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xbps_dbg_printf(xhp, "%s: can't guess pkgname for dependency: %s\n", curpkg, reqpkg);
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xbps_set_cb_state(xhp, XBPS_STATE_INVALID_DEP, ENXIO, NULL,
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"%s: can't guess pkgname for dependency '%s'", curpkg, reqpkg);
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rv = ENXIO;
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break;
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}
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/*
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* Pass 1: check if required dependency is provided as virtual
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* package via "provides", if true ignore dependency.
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*/
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if (pkg_provides && xbps_match_virtual_pkg_in_array(pkg_provides, reqpkg)) {
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xbps_dbg_printf_append(xhp, "%s is a vpkg provided by %s, ignored.\n", pkgname, curpkg);
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free(pkgname);
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continue;
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}
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/*
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* Pass 2: check if required dependency has been already
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* added in the transaction dictionary.
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*/
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if ((curpkgd = xbps_find_pkg_in_array(unsorted, reqpkg)) ||
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(curpkgd = xbps_find_virtualpkg_in_array(xhp, unsorted, reqpkg))) {
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xbps_dictionary_get_cstring_nocopy(curpkgd, "pkgver", &pkgver_q);
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xbps_dbg_printf_append(xhp, " (%s queued)\n", pkgver_q);
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free(pkgname);
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continue;
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}
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/*
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* Pass 3: check if required dependency is already installed
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* and its version is fully matched.
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*/
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if ((curpkgd = xbps_pkgdb_get_pkg(xhp, pkgname)) == NULL) {
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if ((curpkgd = xbps_pkgdb_get_virtualpkg(xhp, pkgname))) {
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foundvpkg = true;
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}
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}
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if (curpkgd == NULL) {
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if (errno && errno != ENOENT) {
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/* error */
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rv = errno;
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xbps_dbg_printf(xhp, "failed to find installed pkg for `%s': %s\n", reqpkg, strerror(rv));
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free(pkgname);
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break;
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}
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free(pkgname);
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/* Required dependency not installed */
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xbps_dbg_printf_append(xhp, "not installed ");
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reason = "install";
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state = XBPS_PKG_STATE_NOT_INSTALLED;
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} else {
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/*
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* Required dependency is installed, check if its version can
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* satisfy the requirements.
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*/
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xbps_dictionary_get_cstring_nocopy(curpkgd, "pkgver", &pkgver_q);
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/* Check its state */
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if ((rv = xbps_pkg_state_dictionary(curpkgd, &state)) != 0) {
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free(pkgname);
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break;
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}
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if (foundvpkg && xbps_match_virtual_pkg_in_dict(curpkgd, reqpkg)) {
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/*
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* Check if required dependency is a virtual package and is satisfied
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* by an installed package.
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*/
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xbps_dbg_printf_append(xhp, "[virtual] satisfied by `%s'.\n", pkgver_q);
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free(pkgname);
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continue;
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}
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rv = xbps_pkgpattern_match(pkgver_q, reqpkg);
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if (rv == 0) {
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char *curpkgname;
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/*
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* The version requirement is not satisfied.
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*/
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curpkgname = xbps_pkg_name(pkgver_q);
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assert(curpkgname);
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if (strcmp(pkgname, curpkgname)) {
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xbps_dbg_printf_append(xhp, "not installed `%s (vpkg)'", pkgver_q);
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if (xbps_dictionary_get(curpkgd, "hold")) {
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xbps_dbg_printf_append(xhp, " on hold state! ignoring package.\n");
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} else {
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reason = "install";
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}
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} else {
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xbps_dbg_printf_append(xhp, "installed `%s', must be updated", pkgver_q);
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if (xbps_dictionary_get(curpkgd, "hold")) {
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xbps_dbg_printf_append(xhp, " on hold state! ignoring package.\n");
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} else {
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reason = "update";
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}
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}
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free(curpkgname);
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free(pkgname);
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} else if (rv == 1) {
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/*
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* The version requirement is satisfied.
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*/
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free(pkgname);
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rv = 0;
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if (state == XBPS_PKG_STATE_UNPACKED) {
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/*
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* Package matches the dependency pattern but was only unpacked,
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* configure pkg.
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*/
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xbps_dbg_printf_append(xhp, "installed `%s', must be configured.\n", pkgver_q);
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reason = "configure";
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} else if (state == XBPS_PKG_STATE_INSTALLED) {
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/*
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* Package matches the dependency pattern and is fully installed,
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* skip to next one.
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*/
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xbps_dbg_printf_append(xhp, "installed `%s'.\n", pkgver_q);
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continue;
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}
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} else {
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/* error matching pkgpattern */
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xbps_dbg_printf(xhp, "failed to match pattern %s with %s\n", reqpkg, pkgver_q);
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free(pkgname);
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break;
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}
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}
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/*
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* Pass 4: find required dependency in repository pool.
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* If dependency does not match add pkg into the missing
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* deps array and pass to next one.
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*/
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if (((curpkgd = xbps_rpool_get_pkg(xhp, reqpkg)) == NULL) &&
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((curpkgd = xbps_rpool_get_virtualpkg(xhp, reqpkg)) == NULL)) {
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/* pkg not found, there was some error */
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if (errno && errno != ENOENT) {
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xbps_dbg_printf(xhp, "failed to find pkg for `%s' in rpool: %s\n", reqpkg, strerror(errno));
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rv = errno;
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break;
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}
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rv = add_missing_reqdep(xhp, reqpkg);
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if (rv != 0 && rv != EEXIST) {
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xbps_dbg_printf_append(xhp, "`%s': add_missing_reqdep failed %s\n", reqpkg);
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break;
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} else if (rv == EEXIST) {
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xbps_dbg_printf_append(xhp, "`%s' missing dep already added.\n", reqpkg);
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rv = 0;
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continue;
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} else {
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xbps_dbg_printf_append(xhp, "`%s' added into the missing deps array.\n", reqpkg);
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continue;
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}
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}
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xbps_dictionary_get_cstring_nocopy(curpkgd, "pkgver", &pkgver_q);
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reqpkgname = xbps_pkg_name(pkgver_q);
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assert(reqpkgname);
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/*
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* Check dependency validity.
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*/
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pkgname = xbps_pkg_name(curpkg);
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assert(pkgname);
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if (strcmp(pkgname, reqpkgname) == 0) {
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xbps_dbg_printf_append(xhp, "[ignoring wrong dependency %s (depends on itself)]\n", reqpkg);
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xbps_remove_string_from_array(pkg_rdeps_array, reqpkg);
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free(pkgname);
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free(reqpkgname);
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continue;
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}
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free(pkgname);
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free(reqpkgname);
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/*
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* Check if package has matched conflicts.
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*/
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xbps_pkg_find_conflicts(xhp, unsorted, curpkgd);
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/*
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* Package is on repo, add it into the transaction dictionary.
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*/
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xbps_dictionary_set_cstring_nocopy(curpkgd, "transaction", reason);
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rv = store_dependency(xhp, unsorted, curpkgd, state);
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if (rv != 0) {
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xbps_dbg_printf(xhp, "store_dependency failed for `%s': %s\n", reqpkg, strerror(rv));
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break;
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}
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/*
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* If package doesn't have rundeps, pass to the next one.
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*/
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curpkgrdeps = xbps_dictionary_get(curpkgd, "run_depends");
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if (curpkgrdeps == NULL)
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continue;
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curpkgprovides = xbps_dictionary_get(curpkgd, "provides");
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if (xhp->flags & XBPS_FLAG_DEBUG) {
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xbps_dbg_printf(xhp, "");
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for (unsigned short x = 0; x < *depth; x++) {
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xbps_dbg_printf_append(xhp, " ");
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}
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xbps_dbg_printf_append(xhp, "%s: finding dependencies:\n", pkgver_q);
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}
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/*
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* Recursively find rundeps for current pkg dictionary.
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*/
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(*depth)++;
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rv = find_repo_deps(xhp, unsorted, curpkgrdeps, curpkgprovides, pkgver_q, depth);
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if (rv != 0) {
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xbps_dbg_printf(xhp, "Error checking %s for rundeps: %s\n", reqpkg, strerror(rv));
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break;
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}
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}
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xbps_object_iterator_release(iter);
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(*depth)--;
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return rv;
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}
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int HIDDEN
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xbps_repository_find_deps(struct xbps_handle *xhp,
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xbps_array_t unsorted,
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xbps_dictionary_t repo_pkgd)
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{
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xbps_array_t pkg_rdeps, pkg_provides = NULL;
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const char *pkgver;
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unsigned short depth = 0;
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pkg_rdeps = xbps_dictionary_get(repo_pkgd, "run_depends");
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if (xbps_array_count(pkg_rdeps) == 0)
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return 0;
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xbps_dictionary_get_cstring_nocopy(repo_pkgd, "pkgver", &pkgver);
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xbps_dbg_printf(xhp, "Finding required dependencies for '%s':\n", pkgver);
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/*
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* This will find direct and indirect deps, if any of them is not
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* there it will be added into the missing_deps array.
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*/
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pkg_provides = xbps_dictionary_get(repo_pkgd, "provides");
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return find_repo_deps(xhp, unsorted, pkg_rdeps, pkg_provides, pkgver, &depth);
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}
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