void-packages/bin/xbps-pkgdb.c
Juan RP f2a77f5e0e xbps-pkgdb: fix crash if db file unexistent in 'list' target.
--HG--
extra : convert_revision : a42e5a7eda63a0d121dd7f15683220c84d58b620
2008-12-22 00:37:42 +01:00

279 lines
7.9 KiB
C

/*-
* Copyright (c) 2008 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 <xbps_api.h>
typedef struct pkg_data {
const char *pkgname;
const char *version;
const char *short_desc;
} pkg_data_t;
static prop_dictionary_t make_dict_from_pkg(pkg_data_t *);
static void register_pkg(prop_dictionary_t, pkg_data_t *, const char *);
static void write_plist_file(prop_dictionary_t, const char *);
static prop_dictionary_t
make_dict_from_pkg(pkg_data_t *pkg)
{
prop_dictionary_t dict;
assert(pkg != NULL || pkg->pkgname != NULL);
assert(pkg->version != NULL || pkg->short_desc != NULL);
dict = prop_dictionary_create();
assert(dict != NULL);
prop_dictionary_set_cstring_nocopy(dict, "pkgname", pkg->pkgname);
prop_dictionary_set_cstring_nocopy(dict, "version", pkg->version);
prop_dictionary_set_cstring_nocopy(dict, "short_desc", pkg->short_desc);
return dict;
}
static void
register_pkg(prop_dictionary_t dict, pkg_data_t *pkg, const char *dbfile)
{
prop_dictionary_t pkgdict;
prop_array_t array;
assert(dict != NULL || pkg != NULL || dbfile != NULL);
pkgdict = make_dict_from_pkg(pkg);
assert(pkgdict != NULL);
array = prop_dictionary_get(dict, "packages");
assert(array != NULL);
assert(prop_object_type(array) == PROP_TYPE_ARRAY);
if (!xbps_add_obj_to_array(array, pkgdict)) {
printf("ERROR: couldn't register '%s-%s' in database!\n",
pkg->pkgname, pkg->version);
exit(1);
}
write_plist_file(dict, dbfile);
}
static void
write_plist_file(prop_dictionary_t dict, const char *file)
{
assert(dict != NULL || file != NULL);
if (!prop_dictionary_externalize_to_file(dict, file)) {
prop_object_release(dict);
printf("=> ERROR: couldn't write to %s (%s)",
file, strerror(errno));
exit(1);
}
}
static void
usage(void)
{
printf("usage: xbps-pkgdb <action> [args]\n\n"
" Available actions:\n"
" list, register, sanitize-plist, unregister, version\n"
" Action arguments:\n"
" list\t[none]\n"
" register\t[<pkgname> <version> <shortdesc>]\n"
" sanitize-plist\t[<plist>]\n"
" unregister\t[<pkgname> <version>]\n"
" version\t[<pkgname>]\n"
" Environment:\n"
" XBPS_REGPKGDB_PATH\tPath to xbps pkgdb plist file\n\n"
" Examples:\n"
" $ xbps-pkgdb list\n"
" $ xbps-pkgdb register pkgname 2.0 \"A short description\"\n"
" $ xbps-pkgdb sanitize-plist /blah/foo.plist\n"
" $ xbps-pkgdb unregister pkgname 2.0\n"
" $ xbps-pkgdb version pkgname\n");
exit(1);
}
int
main(int argc, char **argv)
{
prop_dictionary_t dbdict = NULL, pkgdict;
prop_array_t dbarray = NULL;
pkg_data_t pkg;
const char *version;
char dbfile[PATH_MAX], *dbfileenv, *tmppath, *in_chroot_env;
bool in_chroot = false;
if (argc < 2)
usage();
if ((dbfileenv = getenv("XBPS_REGPKGDB_PATH")) != NULL) {
/* Use path as defined by XBPS_REGPKGDB_PATH env var */
tmppath = strncpy(dbfile, dbfileenv, sizeof(dbfile) - 1);
if (sizeof(*tmppath) >= sizeof(dbfile))
exit(1);
} else {
/* Use default path */
tmppath =
strncpy(dbfile, XBPS_REGPKGDB_DEFPATH, sizeof(dbfile) - 1);
if (sizeof(*tmppath) >= sizeof(dbfile))
exit(1);
}
/* nul terminate string */
dbfile[sizeof(dbfile) - 1] = '\0';
in_chroot_env = getenv("in_chroot");
if (in_chroot_env != NULL)
in_chroot = true;
if (strcasecmp(argv[1], "register") == 0) {
/* Registers a package into the database */
if (argc != 5)
usage();
dbdict = prop_dictionary_internalize_from_file(dbfile);
if (dbdict == NULL) {
/* Create package dictionary and add its objects. */
pkg.pkgname = argv[2];
pkg.version = argv[3];
pkg.short_desc = argv[4];
pkgdict = make_dict_from_pkg(&pkg);
assert(pkgdict != NULL);
/* Add pkg dictionary into array. */
dbarray = prop_array_create();
if (!xbps_add_obj_to_array(dbarray, pkgdict)) {
printf("=> ERROR: couldn't register "
"%s-%s (%s)\n", pkg.pkgname, pkg.version,
strerror(errno));
exit(1);
}
/* Add array into main dictionary. */
dbdict = prop_dictionary_create();
if (!xbps_add_obj_to_dict(dbdict, dbarray,
"packages")) {
printf("=> ERROR: couldn't register "
"%s-%s (%s)\n", pkg.pkgname, pkg.version,
strerror(errno));
exit(1);
}
/* Write main dictionary to file. */
write_plist_file(dbdict, dbfile);
printf("%s==> Package database file not found, "
"creating it.\n", in_chroot ? "[chroot] " : "");
prop_object_release(dbdict);
} else {
/* Check if pkg is already registered. */
pkgdict = xbps_find_pkg_in_dict(dbdict, argv[2]);
if (pkgdict != NULL) {
printf("%s=> Package %s-%s already registered.\n",
in_chroot ? "[chroot] " : "",
argv[2], argv[3]);
exit(0);
}
pkg.pkgname = argv[2];
pkg.version = argv[3];
pkg.short_desc = argv[4];
register_pkg(dbdict, &pkg, dbfile);
}
printf("%s=> %s-%s registered successfully.\n",
in_chroot ? "[chroot] " : "", argv[2], argv[3]);
} else if (strcasecmp(argv[1], "unregister") == 0) {
/* Unregisters a package from the database */
if (argc != 4)
usage();
if (!xbps_remove_pkg_dict_from_file(argv[2], dbfile)) {
if (errno == ENODEV)
printf("=> ERROR: %s not registered "
"in database.\n", argv[2]);
else
printf("=> ERROR: couldn't unregister %s "
"from database (%s)\n", argv[2],
strerror(errno));
exit(EINVAL);
}
printf("%s=> %s-%s unregistered successfully.\n",
in_chroot ? "[chroot] " : "", argv[2], argv[3]);
} else if (strcasecmp(argv[1], "list") == 0) {
/* Lists packages currently registered in database */
if (argc != 2)
usage();
dbdict = prop_dictionary_internalize_from_file(dbfile);
if (dbdict == NULL) {
printf("=> ERROR: cannot read database file (%s)\n",
strerror(errno));
exit(EINVAL);
}
if (!xbps_callback_array_iter_in_dict(dbdict,
"packages", xbps_list_pkgs_in_dict, NULL))
exit(EINVAL);
} else if (strcasecmp(argv[1], "version") == 0) {
/* Prints version of an installed package */
if (argc != 3)
usage();
pkgdict = xbps_find_pkg_in_dict(
prop_dictionary_internalize_from_file(dbfile), argv[2]);
if (pkgdict == NULL)
exit(1);
if (!prop_dictionary_get_cstring_nocopy(pkgdict, "version",
&version))
exit(1);
printf("%s\n", version);
} else if (strcasecmp(argv[1], "sanitize-plist") == 0) {
/* Sanitize a plist file (indent the file properly) */
if (argc != 3)
usage();
dbdict = prop_dictionary_internalize_from_file(argv[2]);
if (dbdict == NULL) {
printf("=> ERROR: couldn't sanitize %s plist file "
"(%s)\n", argv[2], strerror(errno));
exit(1);
}
write_plist_file(dbdict, argv[2]);
} else {
usage();
}
exit(0);
}