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Implement sector verification in tool.

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This commit is contained in:
Natalia Portillo
2022-10-12 19:08:46 +01:00
parent 0f07e85746
commit 0694b32a9b
5 changed files with 359 additions and 2 deletions
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85
tool/verify.c
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@@ -21,6 +21,8 @@
#include <aaruformat.h>
#include "aaruformattool.h"
int verify(char* path)
{
aaruformatContext* ctx;
@@ -43,4 +45,87 @@ int verify(char* path)
printf("Error %d verifying image.\n", res);
return res;
}
int verify_sectors(char* path)
{
aaruformatContext* ctx;
uint64_t s;
uint8_t* buffer;
uint32_t buffer_len = 2352;
int32_t res;
CdEccContext* cd_ecc_context;
ctx = aaruf_open(path);
bool verify_result;
bool unknown, has_edc, edc_correct, has_ecc_p, ecc_p_correct, has_ecc_q, ecc_q_correct;
uint64_t errors, unknowns;
bool any_error;
if(ctx == NULL)
{
printf("Error %d when opening AaruFormat image.\n", errno);
return errno;
}
if(ctx->imageInfo.XmlMediaType != OpticalDisc)
{
printf("Image sectors do not contain checksums, cannot verify.\n");
return 0;
}
cd_ecc_context = aaruf_ecc_cd_init();
errors = 0;
unknown = 0;
any_error = false;
for(s = 0; s < ctx->imageInfo.Sectors; s++)
{
printf("\rVerifying sector %lu...", s);
res = aaruf_read_sector_long(ctx, s, buffer, &buffer_len);
if(res != AARUF_STATUS_OK)
{
fprintf(stderr, "\rError %d reading sector %lu\n.", res, s);
continue;
}
verify_result = check_cd_sector_channel(cd_ecc_context,
buffer,
&unknown,
&has_edc,
&edc_correct,
&has_ecc_p,
&ecc_p_correct,
&has_ecc_q,
&ecc_q_correct);
if(verify_result) continue;
if(unknown)
{
unknowns++;
printf("\rSector %lu cannot be verified.\n", s);
continue;
}
if(has_edc && !edc_correct) printf("\rSector %lu has an incorrect EDC value.\n", s);
if(has_ecc_p && !ecc_p_correct) printf("\rSector %lu has an incorrect EDC value.\n", s);
if(has_ecc_q && !ecc_q_correct) printf("\rSector %lu has an incorrect EDC value.\n", s);
errors++;
any_error = true;
}
if(any_error) printf("\rSome sectors had incorrect checksums.\n");
else
printf("\rAll sector checksums are correct.\n");
printf("Total sectors........... %lu\n", ctx->imageInfo.Sectors);
printf("Total errors............ %lu\n", errors);
printf("Total unknowns.......... %lu\n", unknowns);
printf("Total errors+unknowns... %lu\n", errors + unknowns);
return AARUF_STATUS_OK;
}