void-packages/lib/state.c

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/*-
* Copyright (c) 2009 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 <limits.h>
#include <unistd.h>
#include <fcntl.h>
#include <xbps_api.h>
static int
set_new_state(prop_dictionary_t dict, pkg_state_t state)
{
const char *state_str;
assert(dict != NULL);
switch (state) {
case XBPS_PKG_STATE_UNPACKED:
state_str = "unpacked";
break;
case XBPS_PKG_STATE_INSTALLED:
state_str = "installed";
break;
case XBPS_PKG_STATE_BROKEN:
state_str = "broken";
break;
case XBPS_PKG_STATE_CONFIG_FILES:
state_str = "config-files";
break;
case XBPS_PKG_STATE_NOT_INSTALLED:
state_str = "not-installed";
break;
default:
return -1;
}
if (!prop_dictionary_set_cstring_nocopy(dict, "state", state_str))
return -1;
return 0;
}
static pkg_state_t
get_state(prop_dictionary_t dict)
{
const char *state_str;
pkg_state_t state = 0;
assert(dict != NULL);
prop_dictionary_get_cstring_nocopy(dict, "state", &state_str);
if (state_str == NULL)
return 0;
if (strcmp(state_str, "unpacked") == 0)
state = XBPS_PKG_STATE_UNPACKED;
else if (strcmp(state_str, "installed") == 0)
state = XBPS_PKG_STATE_INSTALLED;
else if (strcmp(state_str, "broken") == 0)
state = XBPS_PKG_STATE_BROKEN;
else if (strcmp(state_str, "config-files") == 0)
state = XBPS_PKG_STATE_CONFIG_FILES;
else if (strcmp(state_str, "not-installed") == 0)
state = XBPS_PKG_STATE_NOT_INSTALLED;
else
return 0;
return state;
}
int
xbps_get_pkg_state_installed(const char *pkgname, pkg_state_t *state)
{
prop_dictionary_t dict, pkgd;
const char *rootdir;
char *plist;
assert(pkgname != NULL);
rootdir = xbps_get_rootdir();
plist = xbps_xasprintf("%s/%s/%s", rootdir,
XBPS_META_PATH, XBPS_REGPKGDB);
if (plist == NULL)
return errno;
dict = prop_dictionary_internalize_from_file(plist);
if (dict == NULL) {
free(plist);
return errno;
}
free(plist);
pkgd = xbps_find_pkg_in_dict(dict, "packages", pkgname);
if (pkgd == NULL) {
prop_object_release(dict);
return ENOENT;
}
*state = get_state(pkgd);
if (*state == 0) {
prop_object_release(dict);
return EINVAL;
}
prop_object_release(dict);
return 0;
}
int
xbps_get_pkg_state_dictionary(prop_dictionary_t dict, pkg_state_t *state)
{
assert(dict != 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);
}
int
xbps_set_pkg_state_installed(const char *pkgname, pkg_state_t state)
{
prop_dictionary_t dict, pkgd;
prop_array_t array;
const char *rootdir;
char *plist;
int rv = 0;
bool newpkg = false;
rootdir = xbps_get_rootdir();
plist = xbps_xasprintf("%s/%s/%s", rootdir,
XBPS_META_PATH, XBPS_REGPKGDB);
if (plist == NULL)
return EINVAL;
dict = prop_dictionary_internalize_from_file(plist);
if (dict == NULL) {
dict = prop_dictionary_create();
if (dict == NULL) {
free(plist);
return ENOMEM;
}
array = prop_array_create();
if (array == NULL) {
rv = ENOMEM;
goto out;
}
pkgd = prop_dictionary_create();
if (pkgd == NULL) {
prop_object_release(array);
rv = errno;
goto out;
}
prop_dictionary_set_cstring_nocopy(pkgd, "pkgname", pkgname);
if ((rv = set_new_state(pkgd, state)) != 0) {
prop_object_release(array);
goto out;
}
if (!xbps_add_obj_to_array(array, pkgd)) {
prop_object_release(array);
rv = EINVAL;
goto out;
}
if (!xbps_add_obj_to_dict(dict, array, "packages")) {
prop_object_release(array);
rv = EINVAL;
goto out;
}
} else {
pkgd = xbps_find_pkg_in_dict(dict, "packages", pkgname);
if (pkgd == NULL) {
newpkg = true;
pkgd = prop_dictionary_create();
prop_dictionary_set_cstring_nocopy(pkgd, "pkgname",
pkgname);
}
array = prop_dictionary_get(dict, "packages");
if (array == NULL) {
rv = ENOENT;
goto out;
}
if ((rv = set_new_state(pkgd, state)) != 0) {
prop_object_release(pkgd);
goto out;
}
if (newpkg && !xbps_add_obj_to_array(array, pkgd)) {
prop_object_release(pkgd);
rv = EINVAL;
goto out;
}
}
if (!prop_dictionary_externalize_to_file(dict, plist))
rv = errno;
out:
prop_object_release(dict);
free(plist);
return rv;
}