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Initial script (text) format support

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See #37 for details.
This commit is contained in:
Michał Trojnara
2024-02-12 10:54:18 +01:00
parent 1bdcad619e
commit 4576895718
19 changed files with 1366 additions and 36 deletions
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8
appx.c
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@ -547,6 +547,8 @@ static PKCS7 *appx_pkcs7_extract(FILE_FORMAT_CTX *ctx)
*/
static int appx_remove_pkcs7(FILE_FORMAT_CTX *ctx, BIO *hash, BIO *outdata)
{
uint8_t *data = NULL;
size_t dataSize;
uint64_t cdOffset, noEntries = 0;
ZIP_FILE *zip = ctx->appx_ctx->zip;
ZIP_CENTRAL_DIRECTORY_ENTRY *entry = zipGetCDEntryByName(zip, CONTENT_TYPES_FILENAME);
@ -558,6 +560,12 @@ static int appx_remove_pkcs7(FILE_FORMAT_CTX *ctx, BIO *hash, BIO *outdata)
printf("Not a valid .appx file: content types file missing\n");
return 1; /* FAILED */
}
/* read signature data */
dataSize = zipReadFileDataByName(&data, ctx->appx_ctx->zip, APP_SIGNATURE_FILENAME);
if (dataSize <= 0) {
return 1; /* FAILED, no signature */
}
OPENSSL_free(data);
if (!appx_remove_ct_signature_entry(zip, entry)) {
printf("Failed to remove signature entry\n");
return 1; /* FAILED */