385 lines
9.2 KiB
C
385 lines
9.2 KiB
C
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/*
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* Written by Oron Peled <oron@actcom.co.il> and
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* Alex Landau <alex.landau@xorcom.com>
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* Copyright (C) 2008, Xorcom
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <assert.h>
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#include <getopt.h>
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#include <time.h>
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#include <sys/types.h>
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#include <arpa/inet.h>
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#include <ctype.h>
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#include "mpp.h"
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#include "mpp_funcs.h"
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#include "debug.h"
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static const char rcsid[] = "$Id$";
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#define DBG_MASK 0x80
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static char *progname;
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static void usage()
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{
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fprintf(stderr, "Usage: %s [options...] -D {/proc/bus/usb|/dev/bus/usb}/<bus>/<dev> options\n", progname);
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fprintf(stderr, "\tOptions:\n");
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fprintf(stderr, "\t\t[-v] # Increase verbosity\n");
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fprintf(stderr, "\t\t[-d mask] # Debug mask (0xFF for everything)\n");
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fprintf(stderr, "\t\t[-w] # Write capabilities to EEPROM, otherwise read capabilities\n");
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fprintf(stderr, "\t\t[-f filename] # License filename (stdin/stdout if not specified)\n\n");
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exit(1);
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}
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static int capabilities_burn(
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struct astribank_device *astribank,
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struct eeprom_table *eeprom_table,
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struct capabilities *capabilities,
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struct capkey *key)
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{
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int ret;
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INFO("Burning capabilities\n");
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ret = mpp_caps_set(astribank, eeprom_table, capabilities, key);
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if(ret < 0) {
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ERR("Capabilities burning failed: %d\n", ret);
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return ret;
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}
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INFO("Done\n");
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return 0;
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}
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static int bin_to_file(void *buf, int len, FILE *f)
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{
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static int bytes_on_line;
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unsigned char *p = buf;
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if (buf == NULL) {
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if (bytes_on_line != 0) {
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if (fprintf(f, "\n") != 1)
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return -1;
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bytes_on_line = 0;
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}
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return 0;
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}
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int i;
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for (i = 0; i < len; i++) {
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if (fprintf(f, "%02x", *p++) != 2)
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return -1;
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bytes_on_line++;
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if (bytes_on_line >= 16) {
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if (fprintf(f, "\n") != 1)
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return -1;
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bytes_on_line = 0;
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}
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}
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return 0;
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}
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static int write_to_file(struct eeprom_table *eeprom_table, struct capabilities *caps, struct capkey *key, FILE *f)
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{
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fprintf(f, "-----BEGIN XORCOM LICENSE BLOCK-----\n");
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fprintf(f, "Version: 1.0\n");
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fprintf(f, "Timestamp: %u\n", caps->timestamp);
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fprintf(f, "Serial: %.*s\n", LABEL_SIZE, eeprom_table->label);
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fprintf(f, "Capabilities.Port.FXS: %d\n", caps->ports_fxs);
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fprintf(f, "Capabilities.Port.FXO: %d\n", caps->ports_fxo);
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fprintf(f, "Capabilities.Port.BRI: %d\n", caps->ports_bri);
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fprintf(f, "Capabilities.Port.PRI: %d\n", caps->ports_pri);
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fprintf(f, "Capabilities.Twinstar: %d\n", CAP_EXTRA_TWINSTAR(caps));
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fprintf(f, "Data:\n");
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bin_to_file(eeprom_table, sizeof(*eeprom_table), f);
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bin_to_file(caps, sizeof(*caps), f);
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bin_to_file(key, sizeof(*key), f);
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bin_to_file(NULL, 0, f);
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fprintf(f, "-----END XORCOM LICENSE BLOCK-----\n");
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return 0;
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}
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/*
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* Removes whitespace on both sizes of the string.
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* Returns a pointer to the first non-space char. The string
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* is modified in place to trim trailing whitespace.
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* If the whole string is whitespace, returns NULL.
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*/
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char *trim(char *s)
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{
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int len = strlen(s);
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while (len > 0 && isspace(s[len-1])) {
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len--;
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}
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if (len == 0)
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return NULL;
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s[len] = '\0';
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while (isspace(*s))
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s++;
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/* *s is not a space, since in this case we'd return NULL above */
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return s;
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}
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int get_key_value(char *line, char **key, char **value)
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{
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char *p = strchr(line, ':');
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if (p == NULL)
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return -1;
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*p = '\0';
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*key = trim(line);
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*value = trim(p + 1);
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return 0;
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}
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static int hex_digit_to_int(char c)
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{
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if (c >= '0' && c <= '9')
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return c - '0';
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else if (c >= 'a' && c <= 'f')
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return c - 'a' + 10;
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else
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return -1;
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}
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static int str_to_bin(char *line, void *buf, int maxlen)
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{
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static int offset;
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unsigned char *p = buf;
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if (strlen(line) % 2 != 0)
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return -1;
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while (offset < maxlen && *line) {
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uint8_t value;
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char c = hex_digit_to_int(*line++);
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if (c < 0 || *line == '\0')
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return -1;
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value = c << 4;
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c = hex_digit_to_int(*line++);
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if (c < 0)
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return -1;
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value |= c;
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p[offset++] = value;
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}
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if (offset == maxlen && *line)
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return -1;
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return offset;
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}
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static int read_from_file(struct eeprom_table *eeprom_table, struct capabilities *caps, struct capkey *capkey, FILE *f)
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{
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char buf[256];
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char *line, *key, *value;
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int state = 0;
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int lineno = 0;
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struct table {
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struct eeprom_table eeprom_table;
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struct capabilities capabilities;
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struct capkey capkey;
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} PACKED table;
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memset(&table, 0, sizeof(struct table));
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/*
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* states:
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* 0: start - before BEGIN_LICENSE_BLOCK line. on BEGIN_LICENSE_BLOCK line goto 1.
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* 1: read Version, goto 2. if not version line then error.
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* 2: after BEGIN line. split line into key:value. if line is Data:, goto 3.
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* 3: read binary data. if line is END_LICENSE_BLOCK goto 4.
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* 4: END_LICENSE_BLOCK - ignore lines.
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*/
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while (fgets(buf, 256, f) != NULL) {
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lineno++;
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int len = strlen(buf);
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if (len > 0 && buf[len-1] != '\n') {
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ERR("Line %d: Line too long\n", lineno);
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return -1;
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}
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line = trim(buf);
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if (line == NULL) {
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if (state > 0 && state < 4) {
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ERR("Line %d: Empty line\n", lineno);
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return -1;
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}
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else
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continue;
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}
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switch (state) {
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case 0:
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if (strcmp(line, "-----BEGIN XORCOM LICENSE BLOCK-----") == 0)
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state = 1;
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else {
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ERR("Line %d: Invalid license begin block\n", lineno);
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return -1;
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}
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break;
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case 1:
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if (get_key_value(line, &key, &value) < 0) {
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ERR("Line %d: Can't parse line\n", lineno);
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return -1;
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}
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if (strcmp(key, "Version") == 0) {
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if (strcmp(value, "1.0") == 0) {
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state = 2;
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} else {
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ERR("Line %d: Unknown license file version '%s', need version '1.0'\n", lineno, value);
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return -1;
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}
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} else {
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ERR("Line %d: No license file version\n", lineno);
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return -1;
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}
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break;
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case 2:
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if (get_key_value(line, &key, &value) < 0) {
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ERR("Line %d: Can't parse line\n", lineno);
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return -1;
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}
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if (strcmp(key, "Data") == 0) {
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state = 3;
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break;
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}
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break;
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case 3:
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if (strcmp(line, "-----END XORCOM LICENSE BLOCK-----") == 0) {
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state = 4;
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break;
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}
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if (str_to_bin(line, &table, sizeof(table)) < 0) {
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ERR("Line %d: Error in data block\n", lineno);
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return -1;
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}
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break;
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case 4:
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break;
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}
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}
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if (state != 4) {
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ERR("Invalid license file\n");
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return -1;
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}
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memcpy(eeprom_table, &table.eeprom_table, sizeof(*eeprom_table));
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memcpy(caps, &table.capabilities, sizeof(*caps));
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memcpy(capkey, &table.capkey, sizeof(*capkey));
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return 0;
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}
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int main(int argc, char *argv[])
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{
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char *devpath = NULL;
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struct astribank_device *astribank;
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struct eeprom_table eeprom_table;
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struct capabilities caps;
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struct capkey key;
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const char options[] = "vd:D:wf:";
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int do_write = 0;
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FILE *file;
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char *filename = NULL;
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int ret;
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progname = argv[0];
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while (1) {
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int c;
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c = getopt (argc, argv, options);
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if (c == -1)
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break;
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switch (c) {
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case 'D':
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devpath = optarg;
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break;
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case 'v':
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verbose++;
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break;
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case 'd':
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debug_mask = strtoul(optarg, NULL, 0);
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break;
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case 'w':
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do_write = 1;
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break;
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case 'f':
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filename = optarg;
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break;
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case 'h':
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default:
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ERR("Unknown option '%c'\n", c);
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usage();
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}
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}
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if(!devpath) {
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ERR("Missing device path\n");
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usage();
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}
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DBG("Startup %s\n", devpath);
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if((astribank = mpp_init(devpath)) == NULL) {
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ERR("Failed initializing MPP\n");
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return 1;
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}
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if(astribank->eeprom_type != EEPROM_TYPE_LARGE) {
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ERR("Cannot use this program with astribank EEPROM type %d (need %d)\n",
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astribank->eeprom_type, EEPROM_TYPE_LARGE);
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return 1;
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}
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ret = mpp_caps_get(astribank, &eeprom_table, &caps, &key);
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if(ret < 0) {
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ERR("Failed to get original capabilities: %d\n", ret);
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return 1;
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}
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if (do_write) {
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/* update capabilities based on input file */
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file = stdin;
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if (filename) {
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file = fopen(filename, "r");
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if (file == NULL) {
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ERR("Can't open file '%s'\n", filename);
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return 1;
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}
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}
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ret = read_from_file(&eeprom_table, &caps, &key, file);
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if (ret < 0) {
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ERR("Failed to read capabilities from file: %d\n", ret);
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return 1;
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}
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show_capabilities(&caps, stderr);
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if (capabilities_burn(astribank, &eeprom_table, &caps, &key) < 0)
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return 1;
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if (file != stdin)
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fclose(file);
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} else {
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/* print capabilities to stdout */
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file = stdout;
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if (filename) {
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file = fopen(filename, "w");
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if (file == NULL) {
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ERR("Can't create file '%s'\n", filename);
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return 1;
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}
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}
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ret = write_to_file(&eeprom_table, &caps, &key, file);
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if (ret < 0) {
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ERR("Failed to write capabilities to file: %d\n", ret);
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return 1;
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}
|
||
|
|
if (file != stdout)
|
||
|
|
fclose(file);
|
||
|
|
}
|
||
|
|
mpp_exit(astribank);
|
||
|
|
return 0;
|
||
|
|
}
|