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/*
* rharchive
*
* rharchive is a simple tcp connection proxy which combines the
* features of rinetd and 6tunnel. rharchive supports IPv4 and
* IPv6 and also supports connections from IPv6 to IPv4
* endpoints and vice versa.
*
*
* Copyright (C) 2010-2011 Christian Pointner <equinox@helsinki.at>
*
* This file is part of rharchive.
*
* rharchive 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 3 of the License, or
* any later version.
*
* rharchive 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 General Public License
* along with rharchive. If not, see <http://www.gnu.org/licenses/>.
*/
#include "datatypes.h"
#include "config.h"
#include "options.h"
#include "log.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#define PARSE_BOOL_PARAM(SHORT, LONG, VALUE) \
else if(!strcmp(str,SHORT) || !strcmp(str,LONG)) \
VALUE = 1;
#define PARSE_INVERSE_BOOL_PARAM(SHORT, LONG, VALUE) \
else if(!strcmp(str,SHORT) || !strcmp(str,LONG)) \
VALUE = 0;
#define PARSE_INT_PARAM(SHORT, LONG, VALUE, BASE) \
else if(!strcmp(str,SHORT) || !strcmp(str,LONG)) \
{ \
if(argc < 1) \
return i; \
VALUE = strtol(argv[i+1], (char **)NULL, BASE); \
argc--; \
i++; \
}
#define PARSE_STRING_PARAM(SHORT, LONG, VALUE) \
else if(!strcmp(str,SHORT) || !strcmp(str,LONG)) \
{ \
if(argc < 1 || argv[i+1][0] == '-') \
return i; \
if(VALUE) free(VALUE); \
VALUE = strdup(argv[i+1]); \
if(!VALUE) \
return -2; \
argc--; \
i++; \
}
#define PARSE_STRING_PARAM_SEC(SHORT, LONG, VALUE) \
else if(!strcmp(str,SHORT) || !strcmp(str,LONG)) \
{ \
if(argc < 1 || argv[i+1][0] == '-') \
return i; \
if(VALUE) free(VALUE); \
VALUE = strdup(argv[i+1]); \
if(!VALUE) \
return -2; \
size_t j; \
for(j=0; j < strlen(argv[i+1]); ++j) \
argv[i+1][j] = '#'; \
argc--; \
i++; \
}
#define PARSE_HEXSTRING_PARAM_SEC(SHORT, LONG, VALUE) \
else if(!strcmp(str,SHORT) || !strcmp(str,LONG)) \
{ \
if(argc < 1 || argv[i+1][0] == '-') \
return i; \
int ret; \
ret = options_parse_hex_string(argv[i+1], &VALUE); \
if(ret > 0) \
return i+1; \
else if(ret < 0) \
return ret; \
size_t j; \
for(j=0; j < strlen(argv[i+1]); ++j) \
argv[i+1][j] = '#'; \
argc--; \
i++; \
}
#define PARSE_STRING_LIST(SHORT, LONG, LIST) \
else if(!strcmp(str,SHORT) || !strcmp(str,LONG)) \
{ \
if(argc < 1 || argv[i+1][0] == '-') \
return i; \
int ret = string_list_add(&LIST, argv[i+1]); \
if(ret == -2) \
return ret; \
else if(ret) \
return i+1; \
argc--; \
i++; \
}
#define PARSE_RESOLV_TYPE(SHORT, LONG, VALUE) \
else if(!strcmp(str,SHORT) || !strcmp(str,LONG)) \
{ \
if(argc < 1 || argv[i+1][0] == '-') \
return i; \
if(!strcmp(argv[i+1], "4") || \
!strcmp(argv[i+1], "ipv4")) \
VALUE = IPV4_ONLY; \
else if(!strcmp(argv[i+1], "6") || \
!strcmp(argv[i+1], "ipv6")) \
VALUE = IPV6_ONLY; \
else \
return i+1; \
argc--; \
i++; \
}
int options_parse_hex_string(const char* hex, buffer_t* buffer)
{
if(!hex || !buffer)
return -1;
uint32_t hex_len = strlen(hex);
if(hex_len%2)
return 1;
if(buffer->buf_)
free(buffer->buf_);
buffer->length_ = hex_len/2;
buffer->buf_ = malloc(buffer->length_);
if(!buffer->buf_) {
buffer->length_ = 0;
return -2;
}
const char* ptr = hex;
int i;
for(i=0;i<buffer->length_;++i) {
uint32_t tmp;
sscanf(ptr, "%2X", &tmp);
buffer->buf_[i] = (uint8_t)tmp;
ptr += 2;
}
return 0;
}
int options_parse(options_t* opt, int argc, char* argv[])
{
if(!opt)
return -1;
options_default(opt);
if(opt->progname_)
free(opt->progname_);
opt->progname_ = strdup(argv[0]);
if(!opt->progname_)
return -2;
argc--;
int i;
for(i=1; argc > 0; ++i)
{
char* str = argv[i];
argc--;
if(!strcmp(str,"-h") || !strcmp(str,"--help"))
return -1;
else if(!strcmp(str,"-v") || !strcmp(str,"--version"))
return -3;
PARSE_INVERSE_BOOL_PARAM("-D","--nodaemonize", opt->daemonize_)
PARSE_STRING_PARAM("-u","--username", opt->username_)
PARSE_STRING_PARAM("-g","--groupname", opt->groupname_)
PARSE_STRING_PARAM("-C","--chroot", opt->chroot_dir_)
PARSE_STRING_PARAM("-P","--write-pid", opt->pid_file_)
PARSE_STRING_LIST("-L","--log", opt->log_targets_)
PARSE_BOOL_PARAM("-U", "--debug", opt->debug_)
PARSE_STRING_PARAM("-s","--source", opt->src_bin_desc_)
PARSE_STRING_PARAM("-d","--output-dir", opt->output_dir_)
PARSE_STRING_PARAM("-f","--name-format", opt->name_format_)
PARSE_INT_PARAM("-m","--mode", opt->mode_, 8)
PARSE_INT_PARAM("-i","--interval", opt->interval_, 10)
PARSE_INT_PARAM("-o","--offset", opt->offset_, 10)
else
return i;
}
if(opt->interval_ <= 0)
return -4;
if(opt->debug_) {
string_list_add(&opt->log_targets_, "stdout:5");
opt->daemonize_ = 0;
}
if(!opt->log_targets_.first_) {
string_list_add(&opt->log_targets_, "syslog:3,rharchive,daemon");
}
return 0;
}
void options_parse_post(options_t* opt)
{
if(!opt)
return;
// nothing yet
}
void options_default(options_t* opt)
{
if(!opt)
return;
opt->progname_ = strdup("rharchive");
opt->daemonize_ = 1;
opt->username_ = NULL;
opt->groupname_ = NULL;
opt->chroot_dir_ = NULL;
opt->pid_file_ = NULL;
string_list_init(&opt->log_targets_);
opt->debug_ = 0;
opt->src_bin_desc_ = NULL;
opt->output_dir_ = strdup("/srv/archiv");
opt->name_format_ = strdup("%Y-%m-%d-%H00.ogg");
opt->mode_ = 0644;
opt->interval_ = 50;
opt->offset_ = 0;
}
void options_clear(options_t* opt)
{
if(!opt)
return;
if(opt->progname_)
free(opt->progname_);
if(opt->username_)
free(opt->username_);
if(opt->groupname_)
free(opt->groupname_);
if(opt->chroot_dir_)
free(opt->chroot_dir_);
if(opt->pid_file_)
free(opt->pid_file_);
string_list_clear(&opt->log_targets_);
if(opt->src_bin_desc_)
free(opt->src_bin_desc_);
if(opt->output_dir_)
free(opt->output_dir_);
if(opt->name_format_)
free(opt->name_format_);
}
void options_print_usage()
{
printf("USAGE:\n");
printf("rharchive [-h|--help] prints this...\n");
printf(" [-v|--version] print version info and exit\n");
printf(" [-D|--nodaemonize] don't run in background\n");
printf(" [-u|--username] <username> change to this user\n");
printf(" [-g|--groupname] <groupname> change to this group\n");
printf(" [-C|--chroot] <path> chroot to this directory\n");
printf(" [-P|--write-pid] <path> write pid to this file\n");
printf(" [-L|--log] <target>:<level>[,<param1>[,<param2>..]]\n");
printf(" add a log target, can be invoked several times\n");
printf(" [-U|--debug] don't daemonize and log to stdout with maximum log level\n");
printf(" [-s|--source] <description> a gstreamer pipeline-style description which will be used\n");
printf(" as data source, see gst-launch man-page for syntax\n");
printf(" [-d|--output-dir] <path> path to the output directory\n");
printf(" [-f|--name-format] <format> the file name format, see manpage of strftime for the syntax\n");
printf(" [-m|--mode] <value> ocatl represantion of the file permission mode\n");
printf(" [-i|--interval] <value> interval for time checks in ms\n");
printf(" [-o|--offset] <value> time offset for recordings in ms\n");
}
void options_print_version()
{
printf("%s\n", VERSION_STRING_0);
printf("%s\n", VERSION_STRING_1);
}
void options_print(options_t* opt)
{
if(!opt)
return;
printf("progname: '%s'\n", opt->progname_);
printf("daemonize: %d\n", opt->daemonize_);
printf("username: '%s'\n", opt->username_);
printf("groupname: '%s'\n", opt->groupname_);
printf("chroot_dir: '%s'\n", opt->chroot_dir_);
printf("pid_file: '%s'\n", opt->pid_file_);
printf("log_targets: \n");
string_list_print(&opt->log_targets_, " '", "'\n");
printf("debug: %s\n", !opt->debug_ ? "false" : "true");
printf("src_bin_desc: >>%s<<\n", opt->src_bin_desc_);
printf("output_dir: '%s'\n", opt->output_dir_);
printf("name_format: '%s'\n", opt->name_format_);
printf("mode: %04o\n", (int)opt->mode_);
printf("interval: %d\n", opt->interval_);
printf("offset: %d\n", opt->offset_);
}
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