Magic-Mirror/hactool
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Add support for parsing plain NPDM (#4).

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This commit is contained in:
Michael Scire 2018-02-06 00:40:37 -08:00
parent c029db1363
commit 76266b8e55
3 changed files with 33 additions and 2 deletions
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2
README.md
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@ -19,7 +19,7 @@ Options:
-y, --verify Verify hashes and signatures.
-d, --dev Decrypt with development keys instead of retail.
-k, --keyset Load keys from an external file.
-t, --intype=type Specify input file type [nca, xci, pfs0, romfs, hfs0]
-t, --intype=type Specify input file type [nca, xci, pfs0, romfs, hfs0, npdm]
--titlekey=key Set title key for Rights ID crypto titles.
--contentkey=key Set raw key for NCA body decryption.
NCA options:

32
main.c
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@ -29,7 +29,7 @@ static void usage(void) {
" -y, --verify Verify hashes and signatures.\n"
" -d, --dev Decrypt with development keys instead of retail.\n"
" -k, --keyset Load keys from an external file.\n"
" -t, --intype=type Specify input file type [nca, xci, pfs0, romfs, hfs0]\n"
" -t, --intype=type Specify input file type [nca, xci, pfs0, romfs, hfs0, npdm]\n"
" --titlekey=key Set title key for Rights ID crypto titles.\n"
" --contentkey=key Set raw key for NCA body decryption.\n"
"NCA options:\n"
@ -171,6 +171,8 @@ int main(int argc, char **argv) {
nca_ctx.tool_ctx->file_type = FILETYPE_HFS0;
} else if (!strcmp(optarg, "xci") || !strcmp(optarg, "gamecard") || !strcmp(optarg, "gc")) {
nca_ctx.tool_ctx->file_type = FILETYPE_XCI;
} else if (!strcmp(optarg, "npdm") || !strcmp(optarg, "meta")) {
nca_ctx.tool_ctx->file_type = FILETYPE_NPDM;
}
/* } else if (!strcmp(optarg, "package2") || !strcmp(optarg, "pk21")) {
* nca_ctx.tool_ctx->file_type = FILETYPE_PACKAGE2;
@ -377,6 +379,34 @@ int main(int argc, char **argv) {
}
break;
}
case FILETYPE_NPDM: {
npdm_t raw_hdr;
memset(&raw_hdr, 0, sizeof(raw_hdr));
if (fread(&raw_hdr, 1, sizeof(raw_hdr), tool_ctx.file) != sizeof(raw_hdr)) {
fprintf(stderr, "Failed to read NPDM header!\n");
exit(EXIT_FAILURE);
}
if (raw_hdr.magic != MAGIC_META) {
fprintf(stderr, "NPDM seems corrupt!\n");
exit(EXIT_FAILURE);
}
uint64_t npdm_size = raw_hdr.aci0_size + raw_hdr.aci0_offset;
if (raw_hdr.acid_offset + raw_hdr.acid_size > npdm_size) {
npdm_size = raw_hdr.acid_offset + raw_hdr.acid_size;
}
fseeko64(tool_ctx.file, 0, SEEK_SET);
npdm_t *npdm = malloc(npdm_size);
if (npdm == NULL) {
fprintf(stderr, "Failed to allocate NPDM!\n");
exit(EXIT_FAILURE);
}
if (fread(npdm, 1, npdm_size, tool_ctx.file) != npdm_size) {
fprintf(stderr, "Failed to read NPDM!\n");
exit(EXIT_FAILURE);
}
npdm_print(npdm, &tool_ctx);
break;
}
case FILETYPE_HFS0: {
hfs0_ctx_t hfs0_ctx;
memset(&hfs0_ctx, 0, sizeof(hfs0_ctx));

1
settings.h
View File

@ -67,6 +67,7 @@ enum hactool_file_type
FILETYPE_ROMFS,
FILETYPE_HFS0,
FILETYPE_XCI,
FILETYPE_NPDM
/* FILETYPE_PACKAGE2, */
/* FILETYPE_PACKAGE1, */
};