xbps/lib/repository_finddeps.c

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/*-
* Copyright (c) 2008-2011 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 <xbps_api.h>
#include "xbps_api_impl.h"
static int
store_dependency(prop_dictionary_t transd, prop_dictionary_t repo_pkgd)
{
prop_dictionary_t dict;
prop_array_t array;
const char *pkgname, *pkgver, *repoloc;
int rv = 0;
pkg_state_t state = 0;
assert(transd != NULL);
assert(repo_pkgd != NULL);
/*
* Get some info about dependencies and current repository.
*/
prop_dictionary_get_cstring_nocopy(repo_pkgd, "pkgname", &pkgname);
prop_dictionary_get_cstring_nocopy(repo_pkgd, "pkgver", &pkgver);
prop_dictionary_get_cstring_nocopy(repo_pkgd, "repository", &repoloc);
/*
* Check if this package should replace other installed packages.
*/
if ((rv = xbps_repository_pkg_replaces(transd, repo_pkgd)) != 0)
return rv;
dict = prop_dictionary_copy(repo_pkgd);
if (dict == NULL)
return errno;
array = prop_dictionary_get(transd, "unsorted_deps");
if (array == NULL) {
prop_object_release(dict);
return errno;
}
/*
* Always set "not-installed" package state. Will be overwritten
* to its correct state later.
*/
rv = xbps_set_pkg_state_dictionary(dict, XBPS_PKG_STATE_NOT_INSTALLED);
if (rv != 0) {
prop_object_release(dict);
return rv;
}
/*
* Overwrite package state in dictionary with same state than the
* package currently uses, otherwise not-installed.
*/
if ((rv = xbps_get_pkg_state_installed(pkgname, &state)) != 0) {
if (rv != ENOENT) {
prop_object_release(dict);
return rv;
}
rv = 0;
state = XBPS_PKG_STATE_NOT_INSTALLED;
}
if ((rv = xbps_set_pkg_state_dictionary(dict, state)) != 0) {
prop_object_release(dict);
return rv;
}
/*
* Add required objects into package dep's dictionary.
*/
if (!prop_dictionary_set_bool(dict, "automatic-install", true)) {
prop_object_release(dict);
return errno;
}
/*
* Add the dictionary into the array.
*/
if (!xbps_add_obj_to_array(array, dict)) {
prop_object_release(dict);
return EINVAL;
}
xbps_dbg_printf("Added package '%s' into "
"the transaction (%s).\n", pkgver, repoloc);
return 0;
}
static int
add_missing_reqdep(prop_array_t missing_rdeps, const char *reqpkg)
{
prop_string_t reqpkg_str;
prop_object_iterator_t iter = NULL;
prop_object_t obj;
size_t idx = 0;
bool add_pkgdep, pkgfound, update_pkgdep;
int rv = 0;
assert(missing_rdeps != NULL);
assert(reqpkg != NULL);
add_pkgdep = update_pkgdep = pkgfound = false;
reqpkg_str = prop_string_create_cstring_nocopy(reqpkg);
if (reqpkg_str == NULL)
return errno;
iter = prop_array_iterator(missing_rdeps);
if (iter == NULL)
goto out;
while ((obj = prop_object_iterator_next(iter)) != NULL) {
const char *curdep, *curver, *pkgver;
char *curpkgnamedep = NULL, *pkgnamedep = NULL;
assert(prop_object_type(obj) == PROP_TYPE_STRING);
curdep = prop_string_cstring_nocopy(obj);
curver = xbps_get_pkgpattern_version(curdep);
pkgver = xbps_get_pkgpattern_version(reqpkg);
if (curver == NULL || pkgver == NULL)
goto out;
curpkgnamedep = xbps_get_pkgpattern_name(curdep);
if (curpkgnamedep == NULL)
goto out;
pkgnamedep = xbps_get_pkgpattern_name(reqpkg);
if (pkgnamedep == NULL) {
free(curpkgnamedep);
goto out;
}
if (strcmp(pkgnamedep, curpkgnamedep) == 0) {
pkgfound = true;
if (strcmp(curver, pkgver) == 0) {
free(curpkgnamedep);
free(pkgnamedep);
rv = EEXIST;
goto out;
}
/*
* if new dependency version is greater than current
* one, store it.
*/
xbps_dbg_printf("Missing pkgdep name matched, "
"curver: %s newver: %s\n", curver, pkgver);
if (xbps_cmpver(curver, pkgver) <= 0) {
add_pkgdep = false;
free(curpkgnamedep);
free(pkgnamedep);
rv = EEXIST;
goto out;
}
update_pkgdep = true;
}
free(curpkgnamedep);
free(pkgnamedep);
if (pkgfound)
break;
idx++;
}
add_pkgdep = true;
out:
if (iter)
prop_object_iterator_release(iter);
if (update_pkgdep)
prop_array_remove(missing_rdeps, idx);
if (add_pkgdep && !xbps_add_obj_to_array(missing_rdeps, reqpkg_str)) {
prop_object_release(reqpkg_str);
return errno;
}
return rv;
}
#define MAX_DEPTH 512
static int
find_repo_deps(prop_dictionary_t transd, /* transaction dictionary */
prop_array_t mrdeps, /* missing rundeps array */
prop_array_t pkg_rdeps_array, /* current pkg rundeps array */
size_t depth) /* max recursion depth */
{
prop_dictionary_t curpkgd, tmpd;
prop_array_t curpkgrdeps;
prop_object_t obj;
prop_object_iterator_t iter;
pkg_state_t state;
const char *reqpkg, *pkgver_q, *repopkgver;
char *pkgname;
int rv = 0;
if (depth >= MAX_DEPTH)
return ELOOP;
iter = prop_array_iterator(pkg_rdeps_array);
if (iter == NULL)
return ENOMEM;
/*
* Iterate over the list of required run dependencies for
* current package.
*/
while ((obj = prop_object_iterator_next(iter)) != NULL) {
curpkgd = NULL;
reqpkg = prop_string_cstring_nocopy(obj);
if (reqpkg == NULL) {
rv = EINVAL;
break;
}
if (depth < 1)
xbps_dbg_printf(" [direct] Requires "
"dependency '%s' ", reqpkg);
else
xbps_dbg_printf(" [indirect] Requires "
"dependency '%s' ", reqpkg);
/*
* Check if package is already added in the
* array of unsorted deps, and check if current required
* dependency pattern is matched.
*/
curpkgd = xbps_find_pkg_in_dict_by_pattern(transd,
"unsorted_deps", reqpkg);
if (curpkgd != NULL) {
prop_dictionary_get_cstring_nocopy(curpkgd,
"pkgver", &pkgver_q);
xbps_dbg_printf_append("`%s' queued "
"in the transaction.\n", pkgver_q);
continue;
} else {
/* error matching required pkgdep */
if (errno && errno != ENOENT) {
rv = errno;
break;
}
}
/*
* If required pkgdep is not in repo, add it into the
* missing deps array and pass to the next one.
*/
curpkgd = xbps_repository_pool_find_pkg(reqpkg, true, false);
if (curpkgd == NULL) {
if (errno && errno != ENOENT) {
rv = errno;
break;
}
rv = add_missing_reqdep(mrdeps, reqpkg);
if (rv != 0 && rv != EEXIST) {
xbps_dbg_printf_append("`%s': "
"add_missing_reqdep failed %s\n", reqpkg);
break;
} else if (rv == EEXIST) {
xbps_dbg_printf_append("`%s' missing dep "
"already added.\n", reqpkg);
rv = 0;
continue;
} else {
xbps_dbg_printf_append("`%s' added "
"into the missing deps array.\n", reqpkg);
continue;
}
}
pkgname = xbps_get_pkgpattern_name(reqpkg);
if (pkgname == NULL) {
prop_object_release(curpkgd);
rv = EINVAL;
break;
}
/*
* Check if required pkgdep is installed and matches
* the required version.
*/
tmpd = xbps_find_pkg_dict_installed(pkgname, false);
if (tmpd == NULL) {
free(pkgname);
if (errno && errno != ENOENT) {
/* error */
rv = errno;
prop_object_release(curpkgd);
break;
}
/* Required pkgdep not installed */
prop_dictionary_set_cstring_nocopy(curpkgd,
"transaction", "install");
xbps_dbg_printf_append("not installed.\n");
} else {
/*
* Check if installed version matches the
* required pkgdep version.
*/
prop_dictionary_get_cstring_nocopy(tmpd,
"pkgver", &pkgver_q);
/* Check its state */
rv = xbps_get_pkg_state_installed(pkgname, &state);
if (rv != 0) {
free(pkgname);
prop_object_release(tmpd);
prop_object_release(curpkgd);
break;
}
free(pkgname);
rv = xbps_pkgpattern_match(pkgver_q, __UNCONST(reqpkg));
if (rv == 0) {
/*
* Package is installed but does not match
* the dependency pattern, an update
* needs to be installed.
*/
prop_dictionary_get_cstring_nocopy(curpkgd,
"version", &repopkgver);
xbps_dbg_printf_append("installed `%s', "
"updating to `%s'...\n",
pkgver_q, repopkgver);
prop_dictionary_set_cstring_nocopy(curpkgd,
"transaction", "update");
} else if (rv == 1) {
rv = 0;
if (state == XBPS_PKG_STATE_UNPACKED) {
/*
* Package matches the dependency
* pattern but was only unpacked,
* mark pkg to be configured.
*/
prop_dictionary_set_cstring_nocopy(
curpkgd, "transaction",
"configure");
xbps_dbg_printf_append("installed `%s'"
", but needs to be configured...\n",
pkgver_q);
} else {
/*
* Package matches the dependency
* pattern and is fully installed,
* skip and pass to next one.
*/
xbps_dbg_printf_append("installed "
"`%s'.\n", pkgver_q);
prop_object_release(tmpd);
prop_object_release(curpkgd);
continue;
}
} else {
/* error matching pkgpattern */
prop_object_release(tmpd);
prop_object_release(curpkgd);
break;
}
}
/*
* Package is on repo, add it into the dictionary.
*/
if ((rv = store_dependency(transd, curpkgd)) != 0) {
xbps_dbg_printf("store_dependency failed for "
"`%s': %s\n", reqpkg, strerror(rv));
prop_object_release(curpkgd);
break;
}
/*
* If package doesn't have rundeps, pass to the next one.
*/
curpkgrdeps = prop_dictionary_get(curpkgd, "run_depends");
if (curpkgrdeps == NULL) {
prop_object_release(curpkgd);
continue;
}
prop_object_release(curpkgd);
/*
* Recursively find rundeps for current pkg dictionary.
*/
xbps_dbg_printf("%s[%sdirect] Finding dependencies for '%s':\n",
depth < 1 ? "" : " ", depth < 1 ? "" : "in", reqpkg);
rv = find_repo_deps(transd, mrdeps, curpkgrdeps, depth++);
if (rv != 0) {
xbps_dbg_printf("Error checking %s for rundeps: %s\n",
reqpkg, strerror(rv));
break;
}
}
prop_object_iterator_release(iter);
depth--;
return rv;
}
int HIDDEN
xbps_repository_find_pkg_deps(prop_dictionary_t transd,
prop_array_t mdeps,
prop_dictionary_t repo_pkgd)
{
prop_array_t pkg_rdeps;
const char *pkgver;
int rv = 0;
assert(transd != NULL);
assert(mdeps != NULL);
assert(repo_pkgd != NULL);
pkg_rdeps = prop_dictionary_get(repo_pkgd, "run_depends");
if (pkg_rdeps == NULL)
return 0;
prop_dictionary_get_cstring_nocopy(repo_pkgd, "pkgver", &pkgver);
xbps_dbg_printf("Finding required dependencies for '%s':\n", pkgver);
/*
* This will find direct and indirect deps, if any of them is not
* there it will be added into the missing_deps array.
*/
if ((rv = find_repo_deps(transd, mdeps, pkg_rdeps, 0)) != 0) {
xbps_dbg_printf("Error '%s' while checking rundeps!\n",
strerror(rv));
}
return rv;
}