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/*
* Copyright (C) 2013-2014 Thadeu Lima de Souza Cascardo <cascardo@minaslivre.org>
* Copyright (C) 2014 Alexandre Oliva <lxoliva@fsfla.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 3 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 General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "rnet_encode.h"
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include "rnet_message.h"
#include "decfile.h"
int rnet_encode(struct rnet_decfile *decfile, struct rnet_message **msg)
{
int r = -EIO;
uint32_t tp_arq;
uint32_t id_dec;
char *cpf;
char *codigo_recnet;
char *ano;
char *exerc;
char *uf;
uint16_t versao_pgd;
uint64_t file_len;
char *hash;
char *header;
uint8_t ret;
size_t header_size, header_head, header_tail;
*msg = rnet_message_new();
if (*msg == NULL) {
return -ENOMEM;
}
file_len = rnet_decfile_get_file(decfile)->len;
hash = rnet_decfile_get_file_hash(decfile);
if (!hash)
goto out;
header = rnet_decfile_get_header(decfile);
codigo_recnet = rnet_decfile_get_header_field(decfile, "codigo_recnet");
tp_arq = strtoul(codigo_recnet, NULL, 10);
id_dec = strtoul(rnet_decfile_get_header_field(decfile, "hash"), NULL, 10);
cpf = rnet_decfile_get_header_field(decfile, "cpf");
ano = rnet_decfile_get_header_field(decfile, "ano");
exerc = rnet_decfile_get_header_field(decfile, "exerc");
uf = rnet_decfile_get_header_field(decfile, "uf");
versao_pgd = strtoul(rnet_decfile_get_header_field(decfile, "nr_versao"), NULL, 10);
ret = strtoul(rnet_decfile_get_header_field(decfile, "in_ret"), NULL, 10);
if (!strcmp(exerc, "2015")) {
header_size = RNET_HEADER_SIZE_2015;
header_head = RNET_HEADER_HEAD_2015;
header_tail = RNET_HEADER_TAIL_2015;
} else if (!strcmp(exerc, "2014")) {
header_size = RNET_HEADER_SIZE_2014;
header_head = RNET_HEADER_HEAD_2014;
header_tail = RNET_HEADER_TAIL_2014;
} else if (!strcmp(exerc, "2013")) {
header_size = RNET_HEADER_SIZE_2013;
header_head = RNET_HEADER_HEAD_2013;
header_tail = RNET_HEADER_TAIL_2013;
} else {
r = -EINVAL;
goto out2;
}
/* This was already checked at parse time. */
if (strlen (header) != header_size)
abort ();
(*msg)->buffer[0] = 0x40;
(*msg)->len = 1;
r = rnet_message_add_u32(msg, "a_comp", 0);
r = rnet_message_add_u32(msg, "tp_arq", tp_arq);
r = rnet_message_add_u32(msg, "id_dec", id_dec);
r = rnet_message_add_ascii(msg, "exercicio", ano);
r = rnet_message_add_ascii(msg, "exercicio_pgd", exerc);
r = rnet_message_add_buffer(msg, "hash_arq", hash, 16);
r = rnet_message_add_buffer(msg, "hash_trans", hash, 16);
r = rnet_message_add_ascii(msg, "ni", cpf);
r = rnet_message_add_ascii(msg, "tp_ni", "CPF");
r = rnet_message_add_u8(msg, "num_ass", 0);
r = rnet_message_add_u32(msg, "p_comp", 0);
r = rnet_message_add_u8(msg, "ret", ret);
r = rnet_message_add_u64(msg, "tam_arq", file_len);
r = rnet_message_add_u64(msg, "tam_assinado", file_len);
r = rnet_message_add_u64(msg, "tam_trans", file_len);
r = rnet_message_add_ascii(msg, "uf", uf);
r = rnet_message_add_u8(msg, "vrs_des_pa", 0);
r = rnet_message_add_u16(msg, "versao_pgd", versao_pgd);
r = rnet_message_add_u8(msg, "critica_validador", 0x06);
r = rnet_message_add_ascii(msg, "ip_loc", "127.0.0.1");
r = rnet_message_add_ascii(msg, "versao_java", "1.5.0-gij;Free Software rnetclient pretending to be GNU Interpreter for Java");
r = rnet_message_add_ascii(msg, "origem", "JA2R");
r = rnet_message_add_ascii(msg, "so", "GNU");
r = rnet_message_add_ascii(msg, "cliente", "201105");
r = rnet_message_add_buffer(msg, "dados_val",
header + header_head,
header_size - header_tail - header_head);
r = rnet_message_add_u32(msg, "tam_dados_val", 0);
r = rnet_message_add_u32(msg, "tam_dados_val_chave", 0);
r = rnet_message_add_u32(msg, "arquivos_restantes", 0);
free(hash);
if (r < 0)
goto out;
return 0;
out2:
free(hash);
out:
rnet_message_del(*msg);
return r;
}
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