solo1/fido2/log.c

/*
 * Copyright (C) 2018 SoloKeys, Inc. <https://solokeys.com/>
 *
 * This file is part of Solo.
 *
 * Solo 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.
 *
 * Solo 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 Solo.  If not, see <https://www.gnu.org/licenses/>
 *
 * This code is available under licenses for commercial use.
 * Please contact SoloKeys for more information.
 */
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include "log.h"
#include "util.h"

#if DEBUG_LEVEL > 0

static uint32_t LOGMASK = TAG_FILENO;


void set_logging_mask(uint32_t mask)
{
    LOGMASK = mask;
}


struct logtag
{
    uint32_t tagn;
    const char * tag;
};

struct logtag tagtable[] = {
    {TAG_GEN,""},
    {TAG_MC,"MC"},
    {TAG_GA,"GA"},
    {TAG_CP,"CP"},
    {TAG_ERR,"ERR"},
    {TAG_PARSE,"PARSE"},
    {TAG_CTAP,"CTAP"},
    {TAG_U2F,"U2F"},
    {TAG_DUMP,"DUMP"},
    {TAG_DUMP2,"DUMP2"},
    {TAG_HID,"HID"},
    {TAG_USB,"USB"},
    {TAG_GREEN,"DEBUG"},
    {TAG_RED,"DEBUG"},
    {TAG_TIME,"TIME"},
    {TAG_WALLET,"WALLET"},
    {TAG_STOR,"STOR"},
    {TAG_BOOT,"BOOT"},
    {TAG_EXT,"EXT"},
    {TAG_NFC,"NFC"},
};


__attribute__((weak)) void set_logging_tag(uint32_t tag)
{
    // nothing
}

void LOG(uint32_t tag, const char * filename, int num, const char * fmt, ...)
{
    int i;

    if (((tag & 0x7fffffff) & LOGMASK) == 0)
    {
        return;
    }
    for (i = 0; i < sizeof(tagtable)/sizeof(struct logtag); i++)
    {
        if (tag & tagtable[i].tagn)
        {
            if (tagtable[i].tag[0]) printf("[%s] ", tagtable[i].tag);
            i = 0;
            break;
        }
    }
    if (i != 0)
    {
        printf2(TAG_ERR,"INVALID LOG TAG\n");
        exit(1);
    }
    set_logging_tag(tag);
#ifdef ENABLE_FILE_LOGGING
    if (tag & TAG_FILENO)
    {
        printf("%s:%d: ", filename, num);
    }
#endif
    va_list args;
    va_start(args, fmt);
    vprintf(fmt, args);
    va_end(args);
}

void LOG_HEX(uint32_t tag, uint8_t * data, int length)
{
    if (((tag & 0x7fffffff) & LOGMASK) == 0)
    {
        return;
    }
    set_logging_tag(tag);
    dump_hex(data,length);
}
#endif