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/*
* Copyright (c) 1998-1999 peter memishian (meem), meem@gnu.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, 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.
*/
#include <sys/types.h>
#include <errno.h>
#include <pwd.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <getopt.h>
#include <unistd.h>
#include <lib.h>
#include "intl.h"
#include "component.h"
#include "msg.h"
#include "util.h"
#include "client.h"
#include "rlprrc.h"
#include "rlprm.h"
#include "rfc1179.h"
static struct component *components[] =
{
&comp_msg,
&comp_component,
&comp_client,
&comp_rlprm,
0
};
const char *program_name;
const char *bsd_program_name = "lprm";
static struct rlpr_rlprm *rlpr_rlprm;
static const char *make_removej_request(const char *, char * const *);
int
main(int argc, char *argv[])
{
const char *req;
struct component *comp;
int sock_fd;
int timeout;
program_name = argv[0];
toggle_root();
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
if ((comp = component_init(components, argc, argv)) != 0)
msg(R_FATAL, 0, "component `%s': init() failed!", comp->name);
if (argv[optind] && strcmp("-", argv[optind]) == 0) {
argv[optind] = rlpr_rlprm->user;
if (getuid() == 0)
msg(R_WARNING, 0, "`-' option as root only removes root's"
" jobs (see BUGS)");
}
/* just to tidy the code later */
timeout = rlpr_rlprm->timeout;
/*
* make the remove job request message (which we need to make as
* one message because some lpd's are broken and require that they
* reap the message in one read(2)). then connect to the lpd,
* send the request and read the reply.
*/
req = make_removej_request(client_get_printer(), &argv[optind]);
sock_fd = client_open(rlpr_rlprm->timeout);
if (sock_fd == -1)
msg(R_FATAL, 0, "client_open(): cannot connect to lpd");
if (client_command_noack(sock_fd, req, timeout, "remove job req") == 0)
msg(R_FATAL, 0, "unable to send `remove job' request to lpd");
if (!msg_is_quiet())
if (copy_file(sock_fd, STDOUT_FILENO, timeout, 0, "stdout") == 0)
msg(R_FATAL, 0, "unable to get job removal output from lpd");
close(sock_fd);
if ((comp = component_fini(components)) != 0)
msg(R_FATAL, 0, "component `%s': fini() failed!", comp->name);
return EXIT_SUCCESS;
}
static const char *
make_removej_request(const char *printer, char * const *argv)
{
unsigned int i;
unsigned int request_size = 3; /* REMJ"\n" */
char *request;
request_size += strlen(rlpr_rlprm->user) + 1;
request_size += strlen(printer);
for (i = 0; argv[i] != 0; i++)
request_size += strlen(argv[i]) + 1;
request = xmalloc(request_size);
sprintf(request, "%c%s %s", REMJ, printer, rlpr_rlprm->user);
for (i = 0; argv[i] != 0; i++) {
strcat(request, " ");
strcat(request, argv[i]);
}
strcat(request, "\n");
return request;
}
static int
rlprm_init(void)
{
struct passwd *pwd;
rlpr_rlprm = xmalloc(sizeof (struct rlpr_rlprm));
pwd = getpwuid(getuid());
if (pwd == 0 || pwd->pw_name == 0) {
msg(R_ERROR, errno, "unable to resolve your username");
return 0;
}
rlpr_rlprm->timeout = R_TIMEOUT_DEFAULT;
rlpr_rlprm->user = xstrdup(pwd->pw_name);
return 1;
}
static int
rlprm_parse_args(int opt)
{
switch (opt) {
case -600:
msg(R_STDOUT, 0, "usage: %s [-Hprinthost] [-Pprinter] [-Xproxy]"
" [OPTIONS] [job/user ...]\nplease see the manpage for"
" detailed help", program_name);
exit(EXIT_SUCCESS);
break;
case -601:
rlpr_rlprm->timeout = strtol(optarg, 0, 0);
break;
case 'V':
msg(R_STDOUT, 0, "version "VERSION" from "__DATE__" "__TIME__
" -- meem@gnu.org");
exit(EXIT_SUCCESS);
break;
case EOF:
break;
}
return 1;
}
static struct option rlprm_opts[] = {
{ "help", 0, 0, -600 },
{ "timeout", 1, 0, -601 },
{ "version", 0, 0, 'V' },
{ 0, 0, 0, 0 }
};
static const char rlprm_opt_list[] = "V";
struct component comp_rlprm = {
"rlprm", rlprm_init, 0,
{ { rlprm_opts, rlprm_opt_list, rlprm_parse_args } }
};
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