xbps/lib/package_state.c

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/*-
* Copyright (c) 2009-2011 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 <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "xbps_api_impl.h"
struct state {
const char *string;
pkg_state_t number;
};
static const struct state states[] = {
{ "unpacked", XBPS_PKG_STATE_UNPACKED },
{ "installed", XBPS_PKG_STATE_INSTALLED },
{ "broken", XBPS_PKG_STATE_BROKEN },
{ "config-files", XBPS_PKG_STATE_CONFIG_FILES },
{ "not-installed", XBPS_PKG_STATE_NOT_INSTALLED },
{ NULL, 0 }
};
/**
* @file lib/package_state.c
* @brief Package state handling routines
* @defgroup pkgstates Package state handling functions
*/
static int
set_new_state(prop_dictionary_t dict, pkg_state_t state)
{
const struct state *stp;
const char *pkgname;
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assert(dict != NULL);
for (stp = states; stp->string != NULL; stp++)
if (state == stp->number)
break;
if (stp->string == NULL)
return -1;
if (!prop_dictionary_set_cstring_nocopy(dict, "state", stp->string))
return EINVAL;
if (prop_dictionary_get_cstring_nocopy(dict, "pkgname", &pkgname)) {
xbps_dbg_printf("%s: changed pkg state to '%s'\n",
pkgname, stp->string);
}
return 0;
}
static pkg_state_t
get_state(prop_dictionary_t dict)
{
const struct state *stp;
const char *state_str;
assert(dict != NULL);
if (!prop_dictionary_get_cstring_nocopy(dict,
"state", &state_str))
return 0;
for (stp = states; stp->string != NULL; stp++)
if (strcmp(state_str, stp->string) == 0)
break;
return stp->number;
}
int
xbps_pkg_state_installed(const char *pkgname, pkg_state_t *state)
{
prop_dictionary_t pkgd;
assert(pkgname != NULL);
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assert(state != NULL);
pkgd = xbps_find_pkg_dict_installed(pkgname, false);
if (pkgd == NULL)
return ENOENT;
*state = get_state(pkgd);
prop_object_release(pkgd);
if (*state == 0)
return EINVAL;
return 0;
}
int
xbps_pkg_state_dictionary(prop_dictionary_t dict, pkg_state_t *state)
{
assert(dict != NULL);
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assert(state != NULL);
if ((*state = get_state(dict)) == 0)
return EINVAL;
return 0;
}
int
xbps_set_pkg_state_dictionary(prop_dictionary_t dict, pkg_state_t state)
{
assert(dict != NULL);
return set_new_state(dict, state);
}
static int
set_pkg_objs(prop_dictionary_t pkgd,
const char *pkgname,
const char *version,
const char *pkgver)
{
if (!prop_dictionary_set_cstring_nocopy(pkgd, "pkgname", pkgname))
return EINVAL;
if (version != NULL)
if (!prop_dictionary_set_cstring_nocopy(pkgd,
"version", version))
return EINVAL;
if (pkgver != NULL)
if (!prop_dictionary_set_cstring_nocopy(pkgd,
"pkgver", pkgver))
return EINVAL;
return 0;
}
int
xbps_set_pkg_state_installed(const char *pkgname,
const char *version,
const char *pkgver,
pkg_state_t state)
{
struct xbps_handle *xhp;
prop_dictionary_t dict = NULL, pkgd;
prop_array_t array;
char *plist;
int rv = 0;
bool newpkg = false;
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assert(pkgname != NULL);
xhp = xbps_handle_get();
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plist = xbps_xasprintf("%s/%s/%s", xhp->rootdir,
XBPS_META_PATH, XBPS_REGPKGDB);
if (plist == NULL)
return ENOMEM;
if ((dict = prop_dictionary_internalize_from_zfile(plist)) == NULL) {
dict = prop_dictionary_create();
if (dict == NULL) {
rv = ENOMEM;
goto out;
}
array = prop_array_create();
if (array == NULL) {
rv = ENOMEM;
goto out;
}
pkgd = prop_dictionary_create();
if (pkgd == NULL) {
rv = ENOMEM;
prop_object_release(array);
goto out;
}
if ((rv = set_pkg_objs(pkgd, pkgname, version, pkgver)) != 0) {
prop_object_release(array);
prop_object_release(pkgd);
goto out;
}
if ((rv = set_new_state(pkgd, state)) != 0) {
prop_object_release(array);
prop_object_release(pkgd);
goto out;
}
if (!xbps_add_obj_to_array(array, pkgd)) {
rv = EINVAL;
prop_object_release(array);
prop_object_release(pkgd);
goto out;
}
if (!xbps_add_obj_to_dict(dict, array, "packages")) {
rv = EINVAL;
prop_object_release(array);
goto out;
}
} else {
pkgd = xbps_find_pkg_in_dict_by_name(dict,
"packages", pkgname);
if (pkgd == NULL) {
if (errno && errno != ENOENT) {
rv = errno;
goto out;
}
newpkg = true;
pkgd = prop_dictionary_create();
if ((rv = set_pkg_objs(pkgd, pkgname,
version, pkgver)) != 0) {
prop_object_release(pkgd);
goto out;
}
}
array = prop_dictionary_get(dict, "packages");
if (array == NULL) {
array = prop_array_create();
if (!prop_dictionary_set(dict, "packages", array)) {
rv = EINVAL;
if (newpkg)
prop_object_release(pkgd);
goto out;
}
}
if ((rv = set_new_state(pkgd, state)) != 0) {
if (newpkg)
prop_object_release(pkgd);
goto out;
}
if (newpkg && !xbps_add_obj_to_array(array, pkgd)) {
rv = EINVAL;
prop_object_release(pkgd);
goto out;
}
}
if (!prop_dictionary_externalize_to_zfile(dict, plist)) {
rv = errno;
xbps_dbg_printf("[pkgstate] cannot write plist '%s': %s\n",
plist, strerror(errno));
}
out:
if (dict)
prop_object_release(dict);
if (plist)
free(plist);
return rv;
}