mirror of
https://github.com/aaru-dps/libaaruformat.git
synced 2025-12-16 19:24:40 +00:00
126 lines
3.7 KiB
C
126 lines
3.7 KiB
C
/*
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* This file is part of the Aaru Data Preservation Suite.
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* Copyright (c) 2019-2022 Natalia Portillo.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <errno.h>
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#include <aaruformat.h>
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#include "aaruformattool.h"
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int verify(char *path)
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{
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aaruformatContext *ctx;
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uint32_t res;
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ctx = aaruf_open(path);
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if(ctx == NULL)
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{
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printf("Error %d when opening AaruFormat image.\n", errno);
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return errno;
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}
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res = aaruf_verify_image(ctx);
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if(res == AARUF_STATUS_OK)
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printf("Image blocks contain no errors.\n");
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else if(res == AARUF_ERROR_INVALID_BLOCK_CRC)
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printf("A block contains an invalid CRC value.\n");
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else
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printf("Error %d verifying image.\n", res);
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return res;
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}
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int verify_sectors(char *path)
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{
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aaruformatContext *ctx;
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uint64_t s;
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uint8_t *buffer;
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uint32_t buffer_len = 2352;
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int32_t res;
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CdEccContext *cd_ecc_context;
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ctx = aaruf_open(path);
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bool verify_result;
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bool unknown, has_edc, edc_correct, has_ecc_p, ecc_p_correct, has_ecc_q, ecc_q_correct;
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uint64_t errors, unknowns;
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bool any_error;
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if(ctx == NULL)
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{
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printf("Error %d when opening AaruFormat image.\n", errno);
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return errno;
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}
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if(ctx->imageInfo.XmlMediaType != OpticalDisc)
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{
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printf("Image sectors do not contain checksums, cannot verify.\n");
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return 0;
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}
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cd_ecc_context = aaruf_ecc_cd_init();
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errors = 0;
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unknowns = 0;
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any_error = false;
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for(s = 0; s < ctx->imageInfo.Sectors; s++)
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{
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printf("\rVerifying sector %lu...", s);
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res = aaruf_read_sector_long(ctx, s, buffer, &buffer_len);
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if(res != AARUF_STATUS_OK)
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{
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fprintf(stderr, "\rError %d reading sector %lu\n.", res, s);
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continue;
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}
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verify_result = check_cd_sector_channel(cd_ecc_context, buffer, &unknown, &has_edc, &edc_correct, &has_ecc_p,
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&ecc_p_correct, &has_ecc_q, &ecc_q_correct);
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if(verify_result) continue;
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if(unknown)
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{
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unknowns++;
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printf("\rSector %lu cannot be verified.\n", s);
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continue;
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}
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if(has_edc && !edc_correct) printf("\rSector %lu has an incorrect EDC value.\n", s);
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if(has_ecc_p && !ecc_p_correct) printf("\rSector %lu has an incorrect EDC value.\n", s);
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if(has_ecc_q && !ecc_q_correct) printf("\rSector %lu has an incorrect EDC value.\n", s);
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errors++;
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any_error = true;
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}
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if(any_error)
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printf("\rSome sectors had incorrect checksums.\n");
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else
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printf("\rAll sector checksums are correct.\n");
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printf("Total sectors........... %lu\n", ctx->imageInfo.Sectors);
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printf("Total errors............ %lu\n", errors);
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printf("Total unknowns.......... %lu\n", unknowns);
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printf("Total errors+unknowns... %lu\n", errors + unknowns);
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return AARUF_STATUS_OK;
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} |