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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/errno.h>
#include <limits.h>
#include <unistd.h>
#include <time.h>
#include <readline/readline.h>
#include <readline/history.h>
#define _GNU_SOURCE
#include <getopt.h>
#include <main.h>
#include <commands.h>
#include <completion.h>
#include <utils.h>
#include <shell.h>
#include <users.h>
char user_name[USER_NAME_SIZE];
char user_role[USER_ROLE_SIZE];
/* **************************************************************** */
/* */
/* SILA Users Commands */
/* */
/* **************************************************************** */
/* String to pass to system (). This is for the LIST, VIEW and RENAME
commands. */
static char syscom[PATH_MAX];
static int argc;
static char args[PATH_MAX];
static const char *argv[PATH_MAX];
/* Options: */
static int opt_help = 0;
static char opt_name[USER_NAME_SIZE];
static char opt_role[USER_ROLE_SIZE];
void split_args( const char *name, char *arg )
{
char *p = NULL;
bzero( &args[0], PATH_MAX );
bzero( (void *)argv, sizeof( argv ) );
argv[0] = name;
argc = 1;
if( !arg )
{
return;
}
strncpy( args, arg, PATH_MAX - 1 );
p = &args[0];
while( *p )
{
while( *p && (*p == '\t' || *p == ' ') )
++p;
if( *p )
{
argv[argc] = p;
while( *p && *p != '\t' && *p != ' ' )
++p;
*p = '\0';
++p;
++argc;
}
}
}
void get_args( int argc, char * const *argv )
{
const char* short_options = "hn:r:";
const struct option long_options[] =
{
{ "help", no_argument, NULL, 'h' },
{ "name", required_argument, NULL, 'n' },
{ "role", required_argument, NULL, 'r' },
{ NULL, 0, NULL, 0 }
};
int ret;
int option_index = 0;
/* Reset options: */
opt_help = 0;
bzero( &opt_name[0], USER_NAME_SIZE );
bzero( &opt_role[0], USER_ROLE_SIZE );
while( (ret = getopt_long( argc, argv, short_options, long_options, &option_index )) != -1 )
{
switch( ret )
{
case 'h':
{
opt_help = 1;
break;
}
case 'n':
{
if( optarg != NULL )
strncpy( opt_name, (const char *)optarg, sizeof( opt_name ) - 1 );
else
opt_help = 1;
break;
}
case 'r':
{
if( optarg != NULL )
strncpy( opt_role, (const char *)optarg, sizeof( opt_role ) - 1 );
else
opt_help = 1;
break;
}
case '?': default:
{
opt_help = 1;
break;
}
}
}
/*
Assume that the last argument is a user name:
*/
if( optind < argc )
{
strncpy( opt_name, (const char *)argv[optind++], sizeof( opt_name ) - 1 );
}
/* This is important for call getopt_long() several times! */
optind = 0;
}
/***************************************************************
Users management commands:
***************************************************************/
static void passwd_usage( char *fname )
{
fprintf( stdout, "\n" );
fprintf( stdout, "Usage: %s [username]\n", fname );
fprintf( stdout, "\n" );
fprintf( stdout, "Set or change user password.\n" );
fprintf( stdout, "\n" );
fprintf( stdout, "Options:\n" );
fprintf( stdout, " -h,--help Display this information.\n" );
fprintf( stdout, "\n" );
fprintf( stdout, "Parameter:\n" );
fprintf( stdout, " [username] User name (default: %s).\n", user_name );
fprintf( stdout, "\n" );
}
int com_passwd( char *arg )
{
split_args( "passwd", arg );
get_args( argc, (char * const *)&argv[0] );
if( opt_help )
{
passwd_usage( "passwd" );
}
else
{
/* check args */
if( !opt_name[0] )
{
sprintf( syscom, "passwd %s", user_name );
}
else
{
if( !strncmp( user_role, ROLE_ADMIN, sizeof( ROLE_ADMIN ) ) )
sprintf( syscom, "passwd %s", opt_name );
else
sprintf( syscom, "echo \"%s: Only users with role='%s' can change other user's password.\"",
"passwd", ROLE_ADMIN );
}
return( system( syscom ) );
}
return( 0 );
}
static void useradd_usage( char *fname )
{
fprintf( stdout, "\n" );
fprintf( stdout, "Usage: %s [options] [username]\n", fname );
fprintf( stdout, "\n" );
fprintf( stdout, "Delete user.\n" );
fprintf( stdout, "\n" );
fprintf( stdout, "Options:\n" );
fprintf( stdout, " -h,--help Display this information.\n" );
fprintf( stdout, " -n,--name User Name.\n" );
fprintf( stdout, " -r,--role User Role (default: %s).\n", ROLE_USER );
fprintf( stdout, "\n" );
fprintf( stdout, "Parameter:\n" );
fprintf( stdout, " [username] User name (if not set by -n option).\n" );
fprintf( stdout, "\n" );
}
int com_useradd( char *arg )
{
split_args( "useradd", arg );
get_args( argc, (char * const *)&argv[0] );
if( opt_help )
{
useradd_usage( "useradd" );
}
else
{
/* check args */
if( !opt_name[0] || !opt_role[0] )
{
useradd_usage( "useradd" );
}
else
{
/* temporary STUB. Should use busctl or REST */
sprintf( syscom, "echo 'useradd --name %s --role %s (command is not implemented yet).'", opt_name, opt_role );
return( system( syscom ) );
}
}
return( 0 );
}
static void userdel_usage( char *fname )
{
fprintf( stdout, "\n" );
fprintf( stdout, "Usage: %s [options] [username]\n", fname );
fprintf( stdout, "\n" );
fprintf( stdout, "Delete user.\n" );
fprintf( stdout, "\n" );
fprintf( stdout, "Options:\n" );
fprintf( stdout, " -h,--help Display this information.\n" );
fprintf( stdout, " -n,--name User Name.\n" );
fprintf( stdout, "\n" );
fprintf( stdout, "Parameter:\n" );
fprintf( stdout, " [username] User name (if not set by -n option).\n" );
fprintf( stdout, "\n" );
}
int com_userdel( char *arg )
{
split_args( "userdel", arg );
get_args( argc, (char * const *)&argv[0] );
if( opt_help )
{
userdel_usage( "userdel" );
}
else
{
/* check args */
if( !opt_name[0] )
{
useradd_usage( "userdel" );
}
else
{
/* temporary STUB. Should use busctl or REST */
sprintf( syscom, "echo 'userdel --name %s (command is not implemented yet).'", opt_name );
return( system( syscom ) );
}
}
return( 0 );
}
static void userlist_usage( char *fname )
{
fprintf( stdout, "\n" );
fprintf( stdout, "Usage: %s [options]\n", fname );
fprintf( stdout, "\n" );
fprintf( stdout, "List users.\n" );
fprintf( stdout, "\n" );
fprintf( stdout, "Options:\n" );
fprintf( stdout, " -h,--help Display this information.\n" );
fprintf( stdout, "\n" );
}
int com_userlist( char *arg )
{
split_args( "list", arg );
/* test:
printf( "argc: %d\n", argc );
if( argc > 0 )
{
int i = 0;
while( i < argc )
{
printf( "arg[%d] = '%s';\n", i, argv[i] );
++i;
}
}
*/
get_args( argc, (char * const *)&argv[0] );
if( opt_help )
{
userlist_usage( "list" );
}
else
{
/*
list command:
*/
sprintf( syscom, "busctl --list tree %s | grep %s/ | sed 's,%s/, ,'",
USERS_DBUS_SERVICE,
USERS_DBUS_ROOT_PATH,
USERS_DBUS_ROOT_PATH );
return( system( syscom ) );
}
return( 0 );
}
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