X-Git-Url: http://git.cascardo.eti.br/?p=cascardo%2Flibreceita.git;a=blobdiff_plain;f=decfile.c;h=26ef3bce777f6daaed6caf5d9ab207ebcfdee9ec;hp=196f591b3f33d8480d3e368ea9c24d18c2406c80;hb=HEAD;hpb=9d3ece1dba6b6d5d1313a6cd68d0b56856690714

diff --git a/decfile.c b/decfile.c
index 196f591..26ef3bc 100644
--- a/decfile.c
+++ b/decfile.c
@@ -1,5 +1,6 @@
 /*
- *  Copyright (C) 2012-2013  Thadeu Lima de Souza Cascardo <cascardo@minaslivre.org>
+ *  Copyright (C) 2012-2014  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
@@ -23,7 +24,13 @@
 #include <stdlib.h>
 #include <errno.h>
 #include <unistd.h>
+#include <gcrypt.h>
 #include "pmhash.h"
+#include "rnet_message.h"
+
+#ifndef MAX
+#define MAX(a,b) (a >= b) ? a : b
+#endif
 
 struct rnet_decfile {
 	char *filename;
@@ -31,6 +38,7 @@ struct rnet_decfile {
 	char **lines;
 	int lines_len;
 	struct pmhash *header;
+	struct rnet_message *message;
 };
 
 /*
@@ -53,7 +61,7 @@ static int append_line(struct rnet_decfile *decfile, char *line)
 	return 0;
 out:
 	decfile->lines_len -= 1;
-	return -1;
+	return -ENOMEM;
 }
 
 static void decfile_release_lines(struct rnet_decfile *decfile)
@@ -66,14 +74,23 @@ static void decfile_release_lines(struct rnet_decfile *decfile)
 }
 
 static char * get_header(struct rnet_decfile *decfile);
-static int parse_header(struct pmhash *hash, char *buffer);
+static int parse_header_2013(struct pmhash *hash, char *buffer);
+static int parse_header_2014(struct pmhash *hash, char *buffer);
+static int decfile_parse_file(struct rnet_decfile *decfile);
 
 static int decfile_parse_header(struct rnet_decfile *decfile)
 {
 	char *buffer = get_header(decfile);
-	if (!buffer || strlen(buffer) != 765)
-		return 1;
-	return parse_header(decfile->header, buffer);
+	if (!buffer)
+		return -EINVAL;
+	switch (strlen(buffer)) {
+	case RNET_HEADER_SIZE_2013:
+		return parse_header_2013(decfile->header, buffer);
+	case RNET_HEADER_SIZE_2014:
+		return parse_header_2014(decfile->header, buffer);
+	default:
+		return -EINVAL;
+	}
 }
 
 static int decfile_parse(struct rnet_decfile *decfile)
@@ -90,22 +107,26 @@ static int decfile_parse(struct rnet_decfile *decfile)
 		buffer = NULL;
 		len = 0;
 	}
-	if (!decfile_parse_header(decfile))
+	if (!(r = decfile_parse_header(decfile)) && !(r = decfile_parse_file(decfile)))
 		return 0;
 out:
 	decfile_release_lines(decfile);
-	return -1;
+	return r;
 }
 
 struct rnet_decfile * rnet_decfile_open(char *filename)
 {
 	struct rnet_decfile *decfile;
+	int r = -ENOMEM;
 	decfile = malloc(sizeof(*decfile));
 	if (!decfile)
 		return NULL;
 	decfile->header = pmhash_new();
 	if (!decfile->header)
 		goto out_header;
+	decfile->message = rnet_message_new();
+	if (!decfile->message)
+		goto out_message;
 	decfile->filename = strdup(filename);
 	if (!decfile->filename)
 		goto out_filename;
@@ -114,7 +135,7 @@ struct rnet_decfile * rnet_decfile_open(char *filename)
 		goto out_file;
 	decfile->lines_len = 0;
 	decfile->lines = NULL;
-	if (decfile_parse(decfile))
+	if ((r = decfile_parse(decfile)))
 		goto out_parse;
 	return decfile;
 out_parse:
@@ -122,9 +143,12 @@ out_parse:
 out_file:
 	free(decfile->filename);
 out_filename:
+	rnet_message_del(decfile->message);
+out_message:
 	pmhash_del(decfile->header);
 out_header:
 	free(decfile);
+	errno = -r;
 	return NULL;
 }
 
@@ -147,13 +171,16 @@ static char * get_header(struct rnet_decfile *decfile)
 	return NULL;
 }
 
-static int parse_header(struct pmhash *hash, char *buffer)
+static int parse_header_2014(struct pmhash *hash, char *buffer)
 {
+	int r;
 	char *p = buffer;
 	char *key;
 	char *val;
+	char *tail;
 
 #define parse(field, sz) \
+	r = -ENOMEM; \
 	val = malloc(sz + 1); \
 	if (!val) \
 		goto out_val; \
@@ -168,6 +195,10 @@ static int parse_header(struct pmhash *hash, char *buffer)
 
 	parse("sistema", 8);
 	parse("exerc", 4);
+	if (strcmp(val, "2014")) {
+		r = -EINVAL;
+		goto out_val;
+	}
 	parse("ano", 4);
 	parse("codigo_recnet", 4);
 	parse("in_ret", 1);
@@ -178,6 +209,12 @@ static int parse_header(struct pmhash *hash, char *buffer)
 	parse("nome", 60);
 	parse("uf", 2);
 	parse("hash", 10);
+
+	if (p - buffer != RNET_HEADER_HEAD_2014) {
+		fprintf(stderr, "RNET_HEADER_HEAD_2014 in decfile.h needs to be adjusted to %ti\n", p - buffer);
+		goto out_val;
+	}
+
 	parse("in_cert", 1);
 	parse("dt_nasc", 8);
 	parse("in_comp", 1);
@@ -211,6 +248,8 @@ static int parse_header(struct pmhash *hash, char *buffer)
 	parse("cpf_rra2", 11);
 	parse("trib_3rra", 1);
 	parse("cpf_rra3", 11);
+	parse("trib_4rra", 1);
+	parse("cpf_rra4", 11);
 	parse("vr_doacao", 13);
 	parse("cnpj1", 14);
 	parse("cnpj2", 14);
@@ -245,19 +284,279 @@ static int parse_header(struct pmhash *hash, char *buffer)
 	parse("vr_totisentos", 13);
 	parse("vr_totexclusivo", 13);
 	parse("vr_totpagamentos", 13);
+	parse("nr_conta", 13);
+	parse("nr_dv_conta", 2);
+	parse("in_dv_conta", 1);
+
+	tail = p;
+
 	parse("versaotestpgd", 3);
 	parse("controle", 10);
 
+	if (*p++ != '\r') {
+		fprintf(stderr,
+			"missing CR at the %tith header character\n",
+			p - buffer);
+		goto out_val;
+	} else if (*p++ != '\n') {
+		fprintf(stderr,
+			"missing LF at the %tith header character\n",
+			p - buffer);
+		goto out_val;
+	} else if (*p != 0) {
+		fprintf(stderr,
+			"missing NUL at the %tith header character\n",
+			p - buffer);
+		goto out_val;
+	} else if (p - buffer != RNET_HEADER_SIZE_2014) {
+		fprintf(stderr, "RNET_HEADER_SIZE_2014 in decfile.h needs to be adjusted to %ti,\nor parse_header in decfile.c needs updating\n", p - buffer);
+		goto out_val;
+	} else if (p - tail != RNET_HEADER_TAIL_2014) {
+		fprintf(stderr, "RNET_HEADER_TAIL_2014 in decfile.h needs to be adjusted to %ti\n", p - tail);
+		goto out_val;
+	}
+
 	return 0;
 out_add:
 	free(key);
 out_key:
 	free(val);
 out_val:
-	return -1;
+	return r;
+}
+
+static int parse_header_2013(struct pmhash *hash, char *buffer)
+{
+	int r;
+	char *p = buffer;
+	char *key;
+	char *val;
+	char *tail;
+
+#define parse(field, sz) \
+	r = -ENOMEM; \
+	val = malloc(sz + 1); \
+	if (!val) \
+		goto out_val; \
+	val[sz] = 0; \
+	memcpy(val, p, sz); \
+	p += sz; \
+	key = strdup(field); \
+	if (!key) \
+		goto out_key; \
+	if (pmhash_add(&hash, key, val)) \
+		goto out_add;
+
+	parse("sistema", 8);
+	parse("exerc", 4);
+	if (strcmp(val, "2013")) {
+		r = -EINVAL;
+		goto out_val;
+	}
+	parse("ano", 4);
+	parse("codigo_recnet", 4);
+	parse("in_ret", 1);
+	parse("cpf", 11);
+	parse("filler", 3);
+	parse("tipo_ni", 1);
+	parse("nr_versao", 3);
+	parse("nome", 60);
+	parse("uf", 2);
+	parse("hash", 10);
+
+	if (p - buffer != RNET_HEADER_HEAD_2013) {
+		fprintf(stderr, "RNET_HEADER_HEAD_2013 in decfile.h needs to be adjusted to %ti\n", p - buffer);
+		goto out_val;
+	}
+
+	parse("in_cert", 1);
+	parse("dt_nasc", 8);
+	parse("in_comp", 1);
+	parse("in_res", 1);
+	parse("in_gerada", 1);
+	parse("nr_recibo_anterior", 10);
+	parse("in_pgd", 1);
+	parse("so", 14);
+	parse("versao_so", 7);
+	parse("jvm", 9);
+	parse("nr_recibo", 10);
+	parse("municipio", 4);
+	parse("conjuge", 11);
+	parse("obrig", 1);
+	parse("impdevido", 13);
+	parse("nr_recibo", 10);
+	parse("in_seg", 1);
+	parse("imppago", 2);
+	parse("impant", 1);
+	parse("mudend", 1);
+	parse("cep", 8);
+	parse("debito", 1);
+	parse("banco", 3);
+	parse("agencia", 4);
+	parse("filler", 1);
+	parse("data_julgado", 8);
+	parse("imppagar", 13);
+	parse("tribfonte", 1);
+	parse("cpfrra", 11);
+	parse("trib_rra", 1);
+	parse("cpf_rra2", 11);
+	parse("trib_3rra", 1);
+	parse("cpf_rra3", 11);
+	parse("vr_doacao", 13);
+	parse("cnpj1", 14);
+	parse("cnpj2", 14);
+	parse("cnpj3", 14);
+	parse("cnpj4", 14);
+	parse("cpf_dep1", 11);
+	parse("dnas_dep1", 8);
+	parse("cpf_dep2", 11);
+	parse("dnas_dep2", 8);
+	parse("cpf_dep3", 11);
+	parse("dnas_dep3", 8);
+	parse("cpf_dep4", 11);
+	parse("dnas_dep4", 8);
+	parse("cpf_dep5", 11);
+	parse("dnas_dep5", 8);
+	parse("cpf_dep6", 11);
+	parse("dnas_dep6", 8);
+	parse("cnpj_med1", 14);
+	parse("cnpj_med2", 14);
+	parse("cpf_alim", 11);
+	parse("cpf_invent", 11);
+	parse("municipio", 40);
+	parse("contribuinte", 60);
+	parse("cpf_empregada", 11);
+	parse("hashcode", 12);
+	parse("data_nao_residente", 8);
+	parse("cpf_procurador", 11);
+	parse("obrigatoriedade", 3);
+	parse("rendtrib", 13);
+	parse("cnpj_prev", 14);
+	parse("cnpj_prev2", 14);
+	parse("vr_totisentos", 13);
+	parse("vr_totexclusivo", 13);
+	parse("vr_totpagamentos", 13);
+
+	tail = p;
+
+	parse("versaotestpgd", 3);
+	parse("controle", 10);
+
+	if (*p++ != '\r') {
+		fprintf(stderr,
+			"missing CR at the %tith header character\n",
+			p - buffer);
+		goto out_val;
+	} else if (*p++ != '\n') {
+		fprintf(stderr,
+			"missing LF at the %tith header character\n",
+			p - buffer);
+		goto out_val;
+	} else if (*p != 0) {
+		fprintf(stderr,
+			"missing NUL at the %tith header character\n",
+			p - buffer);
+		goto out_val;
+	} else if (p - buffer != RNET_HEADER_SIZE_2013) {
+		fprintf(stderr, "RNET_HEADER_SIZE_2013 in decfile.h needs to be adjusted to %ti,\nor parse_header in decfile.c needs updating\n", p - buffer);
+		goto out_val;
+	} else if (p - tail != RNET_HEADER_TAIL_2013) {
+		fprintf(stderr, "RNET_HEADER_TAIL_2013 in decfile.h needs to be adjusted to %ti\n", p - tail);
+		goto out_val;
+	}
+
+	return 0;
+out_add:
+	free(key);
+out_key:
+	free(val);
+out_val:
+	return r;
 }
 
 char *rnet_decfile_get_header_field(struct rnet_decfile *decfile, char *field)
 {
 	return pmhash_get(decfile->header, field);
 }
+
+/* returns true if register is declaration and not a receipt */
+static int decfile_reg_is_dec(char *line)
+{
+	if (line[0] >= '0' && line[0] <= '9' &&
+	    line[1] >= '0' && line[1] <= '9')
+		return 1;
+	if (!strncmp(line, "IRPF    ", 8))
+		return 1;
+	if (!strncmp(line, "T9", 2))
+		return 1;
+	return 0;
+}
+
+/* strip a register from its control number and append it to message */
+static int append_stripped_reg_ctrl(struct rnet_message **message, char *line)
+{
+	size_t len;
+	struct rnet_message *msg = *message;
+	int growth;
+	if (!decfile_reg_is_dec(line))
+		return 0;
+	len = strlen(line);
+	if (len < 12)
+		return -EINVAL;
+	growth = msg->len + len - 10 - msg->alen;
+	if (growth > 0) {
+		if (rnet_message_expand(message, growth))
+			return -ENOMEM;
+		msg = *message;
+	}
+	memcpy(&msg->buffer[msg->len], line, len - 12);
+	msg->buffer[msg->len + len - 12] = '\r';
+	msg->buffer[msg->len + len - 11] = '\n';
+	msg->len += len - 10;
+	return 0;
+}
+
+static int decfile_parse_file(struct rnet_decfile *decfile)
+{
+	int i;
+	int r;
+	for (i = 0; i < decfile->lines_len; i++) {
+		r = append_stripped_reg_ctrl(&decfile->message,
+						decfile->lines[i]);
+		if (r)
+			return r;
+	}
+	return 0;
+}
+
+struct rnet_message * rnet_decfile_get_file(struct rnet_decfile *decfile)
+{
+	return decfile->message;
+}
+
+char * rnet_decfile_get_file_hash(struct rnet_decfile *decfile)
+{
+	char *hash;
+	size_t len;
+	if (gcry_md_test_algo(GCRY_MD_MD5))
+		return NULL;
+	len = gcry_md_get_algo_dlen(GCRY_MD_MD5);
+	hash = malloc(len);
+	if (!hash)
+		return NULL;
+	gcry_md_hash_buffer(GCRY_MD_MD5, hash, decfile->message->buffer,
+					decfile->message->len);
+	return hash;
+}
+
+char * rnet_decfile_get_header(struct rnet_decfile *decfile)
+{
+	return get_header(decfile);
+}
+
+char * rnet_decfile_get_line(struct rnet_decfile *decfile, int i)
+{
+	if (i < decfile->lines_len)
+		return decfile->lines[i];
+	return NULL;
+}