NINTENSHIT
/
nxdumptool
mirror of https://github.com/DarkMatterCore/nxdumptool.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
nxdumptool/source/core/cnmt.c

651 lines
26 KiB
C
Raw Blame History

/*
* cnmt.c
*
* Copyright (c) 2020-2024, DarkMatterCore <pabloacurielz@gmail.com>.
*
* This file is part of nxdumptool (https://github.com/DarkMatterCore/nxdumptool).
*
* nxdumptool 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.
*
* nxdumptool 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 this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "nxdt_utils.h"
#include "cnmt.h"
#include "title.h"
/* Helper macros. */
#define CNMT_MINIMUM_FILENAME_LENGTH 23 /* Content Meta Type + "_" + Title ID + ".cnmt". */
#define CNMT_ADD_FMT_STR(fmt, ...) utilsAppendFormattedStringToBuffer(&xml_buf, &xml_buf_size, fmt, ##__VA_ARGS__)
/* Global variables. */
static const char *g_cnmtAttributeStrings[ContentMetaAttribute_Count] = {
"IncludesExFatDriver",
"Rebootless",
"Compacted"
};
/* Function prototypes. */
static bool cnmtGetContentMetaTypeAndTitleIdFromFileName(const char *cnmt_filename, size_t cnmt_filename_len, u8 *out_content_meta_type, u64 *out_title_id);
static const char *cnmtGetRequiredTitleVersionString(u8 content_meta_type);
static const char *cnmtGetRequiredTitleTypeString(u8 content_meta_type);
bool cnmtInitializeContext(ContentMetaContext *out, NcaContext *nca_ctx)
{
if (!out || !nca_ctx || !*(nca_ctx->content_id_str) || nca_ctx->content_type != NcmContentType_Meta || nca_ctx->content_size < NCA_FULL_HEADER_LENGTH || \
(nca_ctx->storage_id != NcmStorageId_GameCard && !nca_ctx->ncm_storage) || (nca_ctx->storage_id == NcmStorageId_GameCard && !nca_ctx->gamecard_offset) || \
nca_ctx->header.content_type != NcaContentType_Meta || nca_ctx->content_type_ctx || !out)
{
LOG_MSG_ERROR("Invalid parameters!");
return false;
}
u32 i = 0, pfs_entry_count = 0;
size_t cnmt_filename_len = 0;
u8 content_meta_type = 0;
u64 title_id = 0, cur_offset = 0;
bool success = false, invalid_ext_header_size = false, invalid_ext_data_size = false, dump_cnmt = false;
/* Free output context beforehand. */
cnmtFreeContext(out);
/* Initialize Partition FS context. */
if (!pfsInitializeContext(&(out->pfs_ctx), &(nca_ctx->fs_ctx[0])))
{
LOG_MSG_ERROR("Failed to initialize Partition FS context!");
goto end;
}
/* Get Partition FS entry count. Edge case, we should never trigger this. */
if (!(pfs_entry_count = pfsGetEntryCount(&(out->pfs_ctx))))
{
LOG_MSG_ERROR("Partition FS has no file entries!");
goto end;
}
/* Look for the '.cnmt' file entry index. */
for(i = 0; i < pfs_entry_count; i++)
{
if ((out->cnmt_filename = pfsGetEntryNameByIndex(&(out->pfs_ctx), i)) && (cnmt_filename_len = strlen(out->cnmt_filename)) >= CNMT_MINIMUM_FILENAME_LENGTH && \
!strcasecmp(out->cnmt_filename + cnmt_filename_len - 5, ".cnmt")) break;
}
if (i >= pfs_entry_count)
{
LOG_MSG_ERROR("'.cnmt' entry unavailable in Partition FS!");
goto end;
}
LOG_MSG_INFO("Found '.cnmt' entry \"%s\" in Meta NCA \"%s\".", out->cnmt_filename, nca_ctx->content_id_str);
/* Retrieve content meta type and title ID from the '.cnmt' filename. */
if (!cnmtGetContentMetaTypeAndTitleIdFromFileName(out->cnmt_filename, cnmt_filename_len, &content_meta_type, &title_id)) goto end;
/* Get '.cnmt' file entry. */
if (!(out->pfs_entry = pfsGetEntryByIndex(&(out->pfs_ctx), i)))
{
LOG_MSG_ERROR("Failed to get '.cnmt' entry from Partition FS!");
goto end;
}
/* Check raw CNMT size. */
if (!out->pfs_entry->size)
{
LOG_DATA_ERROR(out->pfs_entry, sizeof(PartitionFileSystemEntry), "Invalid raw CNMT size! Partition FS entry dump:");
goto end;
}
/* Allocate memory for the raw CNMT data. */
out->raw_data_size = out->pfs_entry->size;
if (!(out->raw_data = malloc(out->raw_data_size)))
{
LOG_MSG_ERROR("Failed to allocate memory for the raw CNMT data!");
goto end;
}
/* Read raw CNMT data into memory buffer. */
if (!pfsReadEntryData(&(out->pfs_ctx), out->pfs_entry, out->raw_data, out->raw_data_size, 0))
{
LOG_MSG_ERROR("Failed to read raw CNMT data!");
goto end;
}
dump_cnmt = true;
/* Calculate SHA-256 checksum for the whole raw CNMT. */
sha256CalculateHash(out->raw_data_hash, out->raw_data, out->raw_data_size);
/* Verify packaged header. */
out->packaged_header = (ContentMetaPackagedContentMetaHeader*)out->raw_data;
cur_offset += sizeof(ContentMetaPackagedContentMetaHeader);
if (out->packaged_header->title_id != title_id)
{
LOG_MSG_ERROR("CNMT title ID mismatch! (%016lX != %016lX).", out->packaged_header->title_id, title_id);
goto end;
}
if (out->packaged_header->content_meta_type != content_meta_type)
{
LOG_MSG_ERROR("CNMT content meta type mismatch! (0x%02X != 0x%02X).", out->packaged_header->content_meta_type, content_meta_type);
goto end;
}
if (out->packaged_header->content_meta_platform >= ContentMetaPlatform_Count)
{
LOG_MSG_ERROR("Invalid platform!");
goto end;
}
if (!out->packaged_header->content_count && out->packaged_header->content_meta_type != NcmContentMetaType_SystemUpdate)
{
LOG_MSG_ERROR("Invalid content count!");
goto end;
}
if ((out->packaged_header->content_meta_type == NcmContentMetaType_SystemUpdate && !out->packaged_header->content_meta_count) || \
(out->packaged_header->content_meta_type != NcmContentMetaType_SystemUpdate && out->packaged_header->content_meta_count))
{
LOG_MSG_ERROR("Invalid content meta count!");
goto end;
}
/* Save pointer to extended header. */
if (out->packaged_header->extended_header_size)
{
out->extended_header = (out->raw_data + cur_offset);
cur_offset += out->packaged_header->extended_header_size;
switch(out->packaged_header->content_meta_type)
{
case NcmContentMetaType_SystemUpdate:
invalid_ext_header_size = (out->packaged_header->extended_header_size != (u16)sizeof(ContentMetaSystemUpdateMetaExtendedHeader));
out->extended_data_size = (!invalid_ext_header_size ? ((ContentMetaSystemUpdateMetaExtendedHeader*)out->extended_header)->extended_data_size : 0);
invalid_ext_data_size = (out->extended_data_size <= sizeof(ContentMetaSystemUpdateMetaExtendedDataHeader));
break;
case NcmContentMetaType_Application:
invalid_ext_header_size = (out->packaged_header->extended_header_size != (u16)sizeof(ContentMetaApplicationMetaExtendedHeader));
break;
case NcmContentMetaType_Patch:
invalid_ext_header_size = (out->packaged_header->extended_header_size != (u16)sizeof(ContentMetaPatchMetaExtendedHeader));
out->extended_data_size = (!invalid_ext_header_size ? ((ContentMetaPatchMetaExtendedHeader*)out->extended_header)->extended_data_size : 0);
invalid_ext_data_size = (out->extended_data_size <= sizeof(ContentMetaPatchMetaExtendedDataHeader));
break;
case NcmContentMetaType_AddOnContent:
invalid_ext_header_size = (out->packaged_header->extended_header_size != (u16)sizeof(ContentMetaAddOnContentMetaExtendedHeader) && \
out->packaged_header->extended_header_size != (u16)sizeof(ContentMetaLegacyAddOnContentMetaExtendedHeader));
break;
case NcmContentMetaType_Delta:
invalid_ext_header_size = (out->packaged_header->extended_header_size != (u16)sizeof(ContentMetaDeltaMetaExtendedHeader));
out->extended_data_size = (!invalid_ext_header_size ? ((ContentMetaDeltaMetaExtendedHeader*)out->extended_header)->extended_data_size : 0);
invalid_ext_data_size = (out->extended_data_size <= sizeof(ContentMetaDeltaMetaExtendedDataHeader));
break;
case NcmContentMetaType_DataPatch:
invalid_ext_header_size = (out->packaged_header->extended_header_size != (u16)sizeof(ContentMetaDataPatchMetaExtendedHeader));
out->extended_data_size = (!invalid_ext_header_size ? ((ContentMetaDataPatchMetaExtendedHeader*)out->extended_header)->extended_data_size : 0);
invalid_ext_data_size = (out->extended_data_size <= sizeof(ContentMetaPatchMetaExtendedDataHeader));
break;
default:
invalid_ext_header_size = (out->packaged_header->extended_header_size != 0);
break;
}
if (invalid_ext_header_size)
{
LOG_MSG_ERROR("Invalid extended header size!");
goto end;
}
if (invalid_ext_data_size)
{
LOG_DATA_ERROR(out->extended_header, out->packaged_header->extended_header_size, "Invalid extended data size! CNMT Extended Header dump:");
goto end;
}
}
/* Save pointer to packaged content infos. */
if (out->packaged_header->content_count)
{
out->packaged_content_info = (NcmPackagedContentInfo*)(out->raw_data + cur_offset);
cur_offset += (out->packaged_header->content_count * sizeof(NcmPackagedContentInfo));
}
/* Save pointer to content meta infos. */
if (out->packaged_header->content_meta_count)
{
out->content_meta_info = (NcmContentMetaInfo*)(out->raw_data + cur_offset);
cur_offset += (out->packaged_header->content_meta_count * sizeof(NcmContentMetaInfo));
}
/* Save pointer to the extended data block. */
if (out->extended_data_size)
{
out->extended_data = (out->raw_data + cur_offset);
cur_offset += out->extended_data_size;
}
/* Save pointer to digest. */
out->digest = (out->raw_data + cur_offset);
cur_offset += CNMT_DIGEST_SIZE;
/* Safety check: verify raw CNMT size. */
if (cur_offset != out->raw_data_size)
{
LOG_MSG_ERROR("Raw CNMT size mismatch! (0x%lX != 0x%lX).", cur_offset, out->raw_data_size);
goto end;
}
/* Update output context. */
out->nca_ctx = nca_ctx;
/* Update content type context info in NCA context. */
nca_ctx->content_type_ctx = out;
nca_ctx->content_type_ctx_patch = false;
success = true;
end:
if (!success)
{
if (dump_cnmt) LOG_DATA_DEBUG(out->raw_data, out->raw_data_size, "Raw CNMT dump:");
cnmtFreeContext(out);
}
return success;
}
bool cnmtVerifyContentHash(ContentMetaContext *cnmt_ctx, NcaContext *nca_ctx, const u8 *hash)
{
if (!cnmtIsValidContext(cnmt_ctx) || !nca_ctx || !*(nca_ctx->content_id_str) || nca_ctx->content_type > NcmContentType_DeltaFragment || !nca_ctx->content_size || !hash)
{
LOG_MSG_ERROR("Invalid parameters!");
return false;
}
/* Return right away if we're dealing with a Meta NCA. */
if (nca_ctx->content_type == NcmContentType_Meta) return true;
NcmPackagedContentInfo *packaged_content_info = NULL;
bool success = false;
/* Loop through all of our content info entries. */
for(u16 i = 0; i < cnmt_ctx->packaged_header->content_count; i++)
{
/* Check if we got a matching content ID. */
packaged_content_info = &(cnmt_ctx->packaged_content_info[i]);
if (!memcmp(packaged_content_info->info.content_id.c, nca_ctx->content_id.c, sizeof(nca_ctx->content_id.c))) break;
packaged_content_info = NULL;
}
if (!packaged_content_info)
{
LOG_MSG_ERROR("Unable to find CNMT content record for \"%s\" NCA! (title ID %016lX, size 0x%lX, type 0x%02X, ID offset 0x%02X).", nca_ctx->content_id_str, \
cnmt_ctx->packaged_header->title_id, nca_ctx->content_size, nca_ctx->content_type, nca_ctx->id_offset);
goto end;
}
/* Verify content hash. */
success = (memcmp(packaged_content_info->hash, hash, SHA256_HASH_SIZE) == 0);
#if LOG_LEVEL <= LOG_LEVEL_ERROR
if (!success)
{
char got[SHA256_HASH_STR_SIZE] = {0}, expected[SHA256_HASH_STR_SIZE] = {0};
utilsGenerateHexString(got, sizeof(got), hash, SHA256_HASH_SIZE, true);
utilsGenerateHexString(expected, sizeof(expected), packaged_content_info->hash, SHA256_HASH_SIZE, true);
LOG_MSG_ERROR("Invalid hash for \"%s\" NCA! Got \"%s\", expected \"%s\" (title ID %016lX, size 0x%lX, type 0x%02X, ID offset 0x%02X).", nca_ctx->content_id_str, \
got, expected, cnmt_ctx->packaged_header->title_id, nca_ctx->content_size, nca_ctx->content_type, nca_ctx->id_offset);
}
#endif
end:
return success;
}
bool cnmtUpdateContentInfo(ContentMetaContext *cnmt_ctx, NcaContext *nca_ctx)
{
if (!cnmtIsValidContext(cnmt_ctx) || !nca_ctx || !*(nca_ctx->content_id_str) || !*(nca_ctx->hash_str) || nca_ctx->content_type > NcmContentType_DeltaFragment || !nca_ctx->content_size)
{
LOG_MSG_ERROR("Invalid parameters!");
return false;
}
/* Return right away if we're dealing with a Meta NCA. */
if (nca_ctx->content_type == NcmContentType_Meta) return true;
bool success = false;
for(u16 i = 0; i < cnmt_ctx->packaged_header->content_count; i++)
{
NcmPackagedContentInfo *packaged_content_info = &(cnmt_ctx->packaged_content_info[i]);
NcmContentInfo *content_info = &(packaged_content_info->info);
u64 content_size = 0;
ncmContentInfoSizeToU64(content_info, &content_size);
if (content_size == nca_ctx->content_size && content_info->content_type == nca_ctx->content_type && content_info->id_offset == nca_ctx->id_offset)
{
/* Jackpot. Copy content ID and hash to our raw CNMT. */
memcpy(packaged_content_info->hash, nca_ctx->hash, sizeof(nca_ctx->hash));
memcpy(&(content_info->content_id), &(nca_ctx->content_id), sizeof(NcmContentId));
LOG_MSG_INFO("Updated CNMT content record #%u (title ID %016lX, size 0x%lX, type 0x%02X, ID offset 0x%02X).", i, cnmt_ctx->packaged_header->title_id, content_size, content_info->content_type, \
content_info->id_offset);
success = true;
break;
}
}
if (!success) LOG_MSG_ERROR("Unable to find CNMT content info entry for \"%s\" NCA! (title ID %016lX, size 0x%lX, type 0x%02X, ID offset 0x%02X).", nca_ctx->content_id_str, \
cnmt_ctx->packaged_header->title_id, nca_ctx->content_size, nca_ctx->content_type, nca_ctx->id_offset);
return success;
}
bool cnmtGenerateNcaPatch(ContentMetaContext *cnmt_ctx)
{
if (!cnmtIsValidContext(cnmt_ctx))
{
LOG_MSG_ERROR("Invalid parameters!");
return false;
}
/* Check if we really need to generate this patch. */
u8 cnmt_hash[SHA256_HASH_SIZE] = {0};
sha256CalculateHash(cnmt_hash, cnmt_ctx->raw_data, cnmt_ctx->raw_data_size);
if (!memcmp(cnmt_hash, cnmt_ctx->raw_data_hash, sizeof(cnmt_hash)))
{
LOG_MSG_INFO("Skipping CNMT patching - no content records have been changed.");
return true;
}
/* Generate Partition FS entry patch. */
if (!pfsGenerateEntryPatch(&(cnmt_ctx->pfs_ctx), cnmt_ctx->pfs_entry, cnmt_ctx->raw_data, cnmt_ctx->raw_data_size, 0, &(cnmt_ctx->nca_patch)))
{
LOG_MSG_ERROR("Failed to generate Partition FS entry patch!");
return false;
}
/* Update NCA content type context patch status. */
cnmt_ctx->nca_ctx->content_type_ctx_patch = true;
return true;
}
void cnmtWriteNcaPatch(ContentMetaContext *cnmt_ctx, void *buf, u64 buf_size, u64 buf_offset)
{
NcaContext *nca_ctx = NULL;
NcaHierarchicalSha256Patch *nca_patch = (cnmt_ctx ? &(cnmt_ctx->nca_patch) : NULL);
/* Using cnmtIsValidContext() here would probably take up precious CPU cycles. */
if (!nca_patch || nca_patch->written || !(nca_ctx = cnmt_ctx->nca_ctx) || nca_ctx->content_type != NcmContentType_Meta || !nca_ctx->content_type_ctx_patch) return;
/* Attempt to write Partition FS entry patch. */
pfsWriteEntryPatchToMemoryBuffer(&(cnmt_ctx->pfs_ctx), nca_patch, buf, buf_size, buf_offset);
/* Check if we need to update the NCA content type context patch status. */
if (nca_patch->written)
{
nca_ctx->content_type_ctx_patch = false;
LOG_MSG_INFO("CNMT Partition FS entry patch successfully written to NCA \"%s\"!", nca_ctx->content_id_str);
}
}
bool cnmtGenerateAuthoringToolXml(ContentMetaContext *cnmt_ctx, NcaContext *nca_ctx, u32 nca_ctx_count)
{
if (!cnmtIsValidContext(cnmt_ctx) || !nca_ctx || !nca_ctx_count || nca_ctx_count > ((u32)cnmt_ctx->packaged_header->content_count + 1))
{
LOG_MSG_ERROR("Invalid parameters!");
return false;
}
u32 i, j;
char *xml_buf = NULL;
u64 xml_buf_size = 0;
char digest_str[SHA256_HASH_STR_SIZE] = {0};
u8 count = 0, content_meta_type = cnmt_ctx->packaged_header->content_meta_type;
bool success = false, invalid_nca = false;
/* Free AuthoringTool-like XML data if needed. */
if (cnmt_ctx->authoring_tool_xml) free(cnmt_ctx->authoring_tool_xml);
cnmt_ctx->authoring_tool_xml = NULL;
cnmt_ctx->authoring_tool_xml_size = 0;
if (!CNMT_ADD_FMT_STR("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" \
"<ContentMeta>\n" \
" <Type>%s</Type>\n" \
" <Id>0x%016lx</Id>\n" \
" <Version>%u</Version>\n" \
" <ReleaseVersion>%u</ReleaseVersion>\n" \
" <PrivateVersion>%u</PrivateVersion>\n", \
titleGetNcmContentMetaTypeName(content_meta_type), \
cnmt_ctx->packaged_header->title_id, \
cnmt_ctx->packaged_header->version.value, \
cnmt_ctx->packaged_header->version.application_version.release_ver, \
cnmt_ctx->packaged_header->version.application_version.private_ver)) goto end;
/* ContentMetaAttribute. */
for(i = 0; i < ContentMetaAttribute_Count; i++)
{
if (!(cnmt_ctx->packaged_header->content_meta_attribute & (u8)BIT(i))) continue;
if (!CNMT_ADD_FMT_STR(" <ContentMetaAttribute>%s</ContentMetaAttribute>\n", g_cnmtAttributeStrings[i])) goto end;
count++;
}
if (!count && !CNMT_ADD_FMT_STR(" <ContentMetaAttribute />\n")) goto end;
/* RequiredDownloadSystemVersion. */
if (!CNMT_ADD_FMT_STR(" <RequiredDownloadSystemVersion>%u</RequiredDownloadSystemVersion>\n", cnmt_ctx->packaged_header->required_download_system_version.value)) goto end;
/* Contents. */
for(i = 0; i < nca_ctx_count; i++)
{
NcaContext *cur_nca_ctx = &(nca_ctx[i]);
/* Check if this NCA is really referenced by our CNMT. */
if (cur_nca_ctx->content_type != NcmContentType_Meta)
{
/* Non-Meta NCAs: check if their content IDs are part of the packaged content info entries from the CNMT. */
for(j = 0; j < cnmt_ctx->packaged_header->content_count; j++)
{
if (!memcmp(cnmt_ctx->packaged_content_info[j].info.content_id.c, cur_nca_ctx->content_id.c, 0x10)) break;
}
invalid_nca = (j >= cnmt_ctx->packaged_header->content_count);
} else {
/* Meta NCAs: quick and dirty pointer comparison because why not. */
invalid_nca = (cnmt_ctx->nca_ctx != cur_nca_ctx);
}
if (invalid_nca)
{
LOG_MSG_ERROR("NCA \"%s\" isn't referenced by this CNMT!", cur_nca_ctx->content_id_str);
goto end;
}
if (!CNMT_ADD_FMT_STR(" <Content>\n" \
" <Type>%s</Type>\n" \
" <Id>%s</Id>\n" \
" <Size>%lu</Size>\n" \
" <Hash>%s</Hash>\n" \
" <KeyGeneration>%u</KeyGeneration>\n" \
" <IdOffset>%u</IdOffset>\n" \
" </Content>\n", \
titleGetNcmContentTypeName(cur_nca_ctx->content_type), \
cur_nca_ctx->content_id_str, \
cur_nca_ctx->content_size, \
cur_nca_ctx->hash_str, \
cur_nca_ctx->key_generation, \
cur_nca_ctx->id_offset)) goto end;
}
utilsGenerateHexString(digest_str, sizeof(digest_str), cnmt_ctx->digest, CNMT_DIGEST_SIZE, false);
/* ContentMeta, Digest, KeyGenerationMin, KeepGeneration and KeepGenerationSpecified. */
if (!CNMT_ADD_FMT_STR(" <ContentMeta />\n" \
" <Digest>%s</Digest>\n" \
" <KeyGenerationMin>%u</KeyGenerationMin>\n" \
" <KeepGeneration />\n" \
" <KeepGenerationSpecified />\n", \
digest_str, \
cnmt_ctx->nca_ctx->key_generation)) goto end;
/* RequiredSystemVersion (Application, Patch) / RequiredApplicationVersion (AddOnContent, DataPatch). */
/* PatchId (Application) / ApplicationId (Patch, AddOnContent, DataPatch). */
if (content_meta_type == NcmContentMetaType_Application || content_meta_type == NcmContentMetaType_Patch || content_meta_type == NcmContentMetaType_AddOnContent || \
content_meta_type == NcmContentMetaType_DataPatch)
{
u32 required_title_version = cnmtGetRequiredTitleVersion(cnmt_ctx);
const char *required_title_version_str = cnmtGetRequiredTitleVersionString(content_meta_type);
u64 required_title_id = cnmtGetRequiredTitleId(cnmt_ctx);
const char *required_title_type_str = cnmtGetRequiredTitleTypeString(content_meta_type);
if (!CNMT_ADD_FMT_STR(" <%s>%u</%s>\n" \
" <%s>0x%016lx</%s>\n", \
required_title_version_str, required_title_version, required_title_version_str, \
required_title_type_str, required_title_id, required_title_type_str)) goto end;
}
/* RequiredApplicationVersion (Application). */
if (content_meta_type == NcmContentMetaType_Application && \
!CNMT_ADD_FMT_STR(" <RequiredApplicationVersion>%u</RequiredApplicationVersion>\n", \
((ContentMetaApplicationMetaExtendedHeader*)cnmt_ctx->extended_header)->required_application_version.value)) goto end;
/* DataPatchId (AddOnContent). */
if (content_meta_type == NcmContentMetaType_AddOnContent && \
cnmt_ctx->packaged_header->extended_header_size == (u16)sizeof(ContentMetaAddOnContentMetaExtendedHeader) && \
!CNMT_ADD_FMT_STR(" <DataPatchId>0x%016lx</DataPatchId>\n", ((ContentMetaAddOnContentMetaExtendedHeader*)cnmt_ctx->extended_header)->data_patch_id)) goto end;
/* DataId (DataPatch). */
if (content_meta_type == NcmContentMetaType_DataPatch && \
!CNMT_ADD_FMT_STR(" <DataId>0x%016lx</DataId>\n", ((ContentMetaDataPatchMetaExtendedHeader*)cnmt_ctx->extended_header)->data_id)) goto end;
if (!(success = CNMT_ADD_FMT_STR("</ContentMeta>"))) goto end;
/* Update CNMT context. */
cnmt_ctx->authoring_tool_xml = xml_buf;
cnmt_ctx->authoring_tool_xml_size = strlen(xml_buf);
end:
if (!success)
{
if (xml_buf) free(xml_buf);
LOG_MSG_ERROR("Failed to generate CNMT AuthoringTool XML!");
}
return success;
}
static bool cnmtGetContentMetaTypeAndTitleIdFromFileName(const char *cnmt_filename, size_t cnmt_filename_len, u8 *out_content_meta_type, u64 *out_title_id)
{
if (!cnmt_filename || cnmt_filename_len < CNMT_MINIMUM_FILENAME_LENGTH || !out_content_meta_type || !out_title_id)
{
LOG_MSG_ERROR("Invalid parameters!");
return false;
}
u8 i = 0;
const char *pch1 = NULL, *pch2 = NULL;
size_t content_meta_type_str_len = 0;
pch1 = (const char*)strstr(cnmt_filename, "_");
pch2 = (cnmt_filename + cnmt_filename_len - 5);
if (!pch1 || !(content_meta_type_str_len = (pch1 - cnmt_filename)) || (pch2 - ++pch1) != 16)
{
LOG_MSG_ERROR("Invalid '.cnmt' filename in Partition FS! (\"%s\").", cnmt_filename);
return false;
}
for(i = NcmContentMetaType_SystemProgram; i <= NcmContentMetaType_DataPatch; i++)
{
/* Dirty loop hack, but whatever. */
if (i > NcmContentMetaType_BootImagePackageSafe && i < NcmContentMetaType_Application)
{
i = (NcmContentMetaType_Application - 1);
continue;
}
if (!strncasecmp(cnmt_filename, titleGetNcmContentMetaTypeName(i), content_meta_type_str_len))
{
*out_content_meta_type = i;
break;
}
}
if (i > NcmContentMetaType_DataPatch)
{
LOG_MSG_ERROR("Invalid content meta type \"%.*s\" in '.cnmt' filename! (\"%s\").", (int)content_meta_type_str_len, cnmt_filename, cnmt_filename);
return false;
}
if (!(*out_title_id = strtoull(pch1, NULL, 16)))
{
LOG_MSG_ERROR("Invalid title ID in '.cnmt' filename! (\"%s\").", cnmt_filename);
return false;
}
return true;
}
static const char *cnmtGetRequiredTitleVersionString(u8 content_meta_type)
{
const char *str = NULL;
switch(content_meta_type)
{
case NcmContentMetaType_Application:
case NcmContentMetaType_Patch:
str = "RequiredSystemVersion";
break;
case NcmContentMetaType_AddOnContent:
case NcmContentMetaType_DataPatch:
str = "RequiredApplicationVersion";
break;
default:
str = "Unknown";
break;
}
return str;
}
static const char *cnmtGetRequiredTitleTypeString(u8 content_meta_type)
{
const char *str = NULL;
switch(content_meta_type)
{
case NcmContentMetaType_Application:
str = "PatchId";
break;
case NcmContentMetaType_Patch:
case NcmContentMetaType_AddOnContent:
str = "ApplicationId";
break;
default:
str = "Unknown";
break;
}
return str;
}
Reference in New Issue View Git Blame Copy Permalink