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/*
* Copyright (C) 2001, 2002, 2004, 2006, 2009 Red Hat, Inc.
*
* This is free software; you can redistribute it and/or modify it under
* the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <grp.h>
#include <libintl.h>
#include <locale.h>
#include <popt.h>
#include <pwd.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include "../lib/user.h"
#include "apputil.h"
static void
do_nameonly(struct lu_context *ctx, const char *name,
GValueArray *(*enumerate) (struct lu_context *, const char *,
struct lu_error **))
{
GValueArray *values;
struct lu_error *error;
error = NULL;
values = enumerate(ctx, name, &error);
if (error != NULL) {
fprintf(stderr, _("Error looking up %s: %s\n"), name,
lu_strerror(error));
lu_error_free(&error);
exit(1);
}
if (values != NULL) {
size_t i;
for (i = 0; i < values->n_values; i++) {
GValue *value;
value = g_value_array_get_nth(values, i);
g_print(" %s\n", g_value_get_string(value));
}
g_value_array_free(values);
}
}
static void
do_full(struct lu_context *ctx, const char *name,
GPtrArray *(*enumerate_full) (struct lu_context *, const char *,
struct lu_error **),
const char *name_attribute, const char *id_attribute,
const char *id_descr)
{
GPtrArray *entities;
struct lu_error *error;
error = NULL;
entities = enumerate_full(ctx, name, &error);
if (error != NULL) {
fprintf(stderr, _("Error looking up %s: %s\n"), name,
lu_strerror(error));
lu_error_free(&error);
exit(1);
}
if (entities != NULL) {
struct lu_ent *ent;
size_t i;
for (i = 0; i < entities->len; i++) {
id_t id;
const char *ent_name;
ent = g_ptr_array_index(entities, i);
ent_name = lu_ent_get_first_string(ent, name_attribute);
id = lu_ent_get_first_id(ent, id_attribute);
if (id != LU_VALUE_INVALID_ID)
g_print(" %s(%s=%jd)\n", ent_name,
id_descr, (intmax_t)id);
else
g_print(" %s\n", ent_name);
lu_ent_free(ent);
}
g_ptr_array_free(entities, TRUE);
}
}
int
main(int argc, const char **argv)
{
const char *name;
struct lu_context *ctx = NULL;
struct lu_error *error = NULL;
struct lu_ent *ent = NULL;
int interactive = FALSE;
int groupflag = FALSE, nameonly = FALSE;
int c;
int result;
poptContext popt;
struct poptOption options[] = {
{"interactive", 'i', POPT_ARG_NONE, &interactive, 0,
N_("prompt for all information"), NULL},
{"group", 'g', POPT_ARG_NONE, &groupflag, 0,
N_("list members of a named group instead of the group "
"memberships for the named user"), NULL},
{"onlynames", 'n', POPT_ARG_NONE, &nameonly, 0,
N_("only list membership information by name, and not "
"UID/GID"), NULL},
POPT_AUTOHELP POPT_TABLEEND
};
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
setlocale(LC_ALL, "");
popt = poptGetContext("lid", argc, argv, options, 0);
poptSetOtherOptionHelp(popt, _("[OPTION...] user"));
c = poptGetNextOpt(popt);
if (c != -1) {
fprintf(stderr, _("Error parsing arguments: %s.\n"),
poptStrerror(c));
poptPrintUsage(popt, stderr, 0);
result = 1;
goto done;
}
name = poptGetArg(popt);
if (name == NULL) {
if (groupflag) {
struct group *grp;
grp = getgrgid(getgid());
if (grp != NULL) {
fprintf(stderr, _("No group name specified, "
"using %s.\n"), grp->gr_name);
name = g_strdup(grp->gr_name);
} else {
fprintf(stderr, _("No group name specified, "
"no name for gid %d.\n"), getgid());
poptPrintUsage(popt, stderr, 0);
result = 1;
goto done;
}
} else {
struct passwd *pwd;
pwd = getpwuid(getuid());
if (pwd != NULL) {
fprintf(stderr, _("No user name specified, "
"using %s.\n"), pwd->pw_name);
name = g_strdup(pwd->pw_name);
} else {
fprintf(stderr, _("No user name specified, "
"no name for uid %d.\n"),
getuid());
poptPrintUsage(popt, stderr, 0);
result = 1;
goto done;
}
}
}
ctx = lu_start(name, groupflag ? lu_user : lu_group, NULL, NULL,
interactive ? lu_prompt_console :
lu_prompt_console_quiet, NULL, &error);
if (ctx == NULL) {
fprintf(stderr, _("Error initializing %s: %s.\n"), PACKAGE,
lu_strerror(error));
result = 1;
goto done;
}
ent = lu_ent_new();
if ((groupflag ? lu_group_lookup_name : lu_user_lookup_name)
(ctx, name, ent, &error) == FALSE) {
if (error != NULL) {
fprintf(stderr, _("Error looking up %s: %s\n"), name,
lu_strerror(error));
lu_error_free(&error);
} else
fprintf(stderr, _("%s does not exist\n"), name);
result = 1;
goto done;
}
if (nameonly)
do_nameonly(ctx, name,
groupflag ? lu_users_enumerate_by_group
: lu_groups_enumerate_by_user);
else {
if (groupflag)
do_full(ctx, name, lu_users_enumerate_by_group_full,
LU_USERNAME, LU_UIDNUMBER, "uid");
else
do_full(ctx, name, lu_groups_enumerate_by_user_full,
LU_GROUPNAME, LU_GIDNUMBER, "gid");
}
result = 0;
done:
if (ent) lu_ent_free(ent);
if (ctx) lu_end(ctx);
poptFreeContext(popt);
return result;
}
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