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https://github.com/CTCaer/hekate.git
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hos: Improve kip patching
Allows more kip names to be added. To use it on them you will need to dump the kips via the Dump pkg1/2 function and then sha256 to get the hash. The name must be used as is, otherwise the name compare will fail. Because of that, also allow unordered parsing and gluing.
This commit is contained in:
CTCaer
parent
62a73ee612
commit
6e538cd291
1 changed files with 94 additions and 61 deletions
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@ -640,8 +640,16 @@ static kip1_id_t _kip_ids[] =
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{ "FS", "\x81\x7E\xA2\xB0\xB7\x02\xC1\xF3", _fs_patches_1000 }, // FS 10.0.0 exfat
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};
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static kip1_id_t *_kip_id_sets = _kip_ids;
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static u32 _kip_id_sets_cnt = sizeof(_kip_ids) / sizeof(_kip_ids[0]);
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static void parse_external_kip_patches()
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{
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static bool ext_patches_done = false;
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if (ext_patches_done)
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return;
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u32 curr_kip_idx = 0;
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char path[64];
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strcpy(path, "bootloader/patches.ini");
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@ -649,77 +657,103 @@ static void parse_external_kip_patches()
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LIST_INIT(ini_kip_sections);
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if (ini_patch_parse(&ini_kip_sections, path))
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{
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// Copy ids into a new patchset.
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_kip_id_sets = calloc(sizeof(kip1_id_t), 256); // Max 256 kip ids.
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memcpy(_kip_id_sets, _kip_ids, sizeof(_kip_ids));
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// Parse patchsets and glue them together.
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LIST_FOREACH_ENTRY(ini_kip_sec_t, ini_psec, &ini_kip_sections, link)
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{
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kip1_id_t* curr_kip = &_kip_ids[curr_kip_idx];
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if (!strcmp(curr_kip->name, ini_psec->name) && !memcmp(curr_kip->hash, ini_psec->hash, 8))
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kip1_id_t* curr_kip = NULL;
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bool found = false;
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for (curr_kip_idx = 0; curr_kip_idx < _kip_id_sets_cnt + 1; curr_kip_idx++)
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{
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kip1_patchset_t *patchsets = (kip1_patchset_t *)calloc(sizeof(kip1_patchset_t), 8); // Max 8 patchsets per kip.
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curr_kip = &_kip_id_sets[curr_kip_idx];
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u32 curr_patchset_idx;
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for(curr_patchset_idx = 0; curr_kip->patchset[curr_patchset_idx].name != NULL; curr_patchset_idx++)
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if (!curr_kip->name)
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break;
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if (!strcmp(curr_kip->name, ini_psec->name) && !memcmp(curr_kip->hash, ini_psec->hash, 8))
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{
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patchsets[curr_patchset_idx].name = curr_kip->patchset[curr_patchset_idx].name;
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patchsets[curr_patchset_idx].patches = curr_kip->patchset[curr_patchset_idx].patches;
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found = true;
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break;
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}
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}
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curr_kip->patchset = patchsets;
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bool first_ext_patch = true;
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u32 curr_patch_idx = 0;
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if (!curr_kip)
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continue;
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// Parse patches and glue them together to a patchset.
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kip1_patch_t *patches = calloc(sizeof(kip1_patch_t), 16); // Max 16 patches per set.
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LIST_FOREACH_ENTRY(ini_patchset_t, pt, &ini_psec->pts, link)
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// If not found, create a new empty entry.
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if (!found)
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{
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curr_kip->name = ini_psec->name;
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memcpy(curr_kip->hash, ini_psec->hash, 8);
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curr_kip->patchset = calloc(sizeof(kip1_patchset_t), 1);
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_kip_id_sets_cnt++;
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}
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kip1_patchset_t *patchsets = (kip1_patchset_t *)calloc(sizeof(kip1_patchset_t), 16); // Max 16 patchsets per kip.
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u32 curr_patchset_idx;
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for(curr_patchset_idx = 0; curr_kip->patchset[curr_patchset_idx].name != NULL; curr_patchset_idx++)
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{
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patchsets[curr_patchset_idx].name = curr_kip->patchset[curr_patchset_idx].name;
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patchsets[curr_patchset_idx].patches = curr_kip->patchset[curr_patchset_idx].patches;
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}
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curr_kip->patchset = patchsets;
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bool first_ext_patch = true;
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u32 curr_patch_idx = 0;
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// Parse patches and glue them together to a patchset.
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kip1_patch_t *patches = calloc(sizeof(kip1_patch_t), 32); // Max 32 patches per set.
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LIST_FOREACH_ENTRY(ini_patchset_t, pt, &ini_psec->pts, link)
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{
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if (first_ext_patch)
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{
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if (first_ext_patch)
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first_ext_patch = false;
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patchsets[curr_patchset_idx].name = malloc(strlen(pt->name) + 1);
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strcpy(patchsets[curr_patchset_idx].name, pt->name);
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patchsets[curr_patchset_idx].patches = patches;
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}
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else
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{
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// Check if new patchset name is found and create a new set.
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if (strcmp(pt->name, patchsets[curr_patchset_idx].name))
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{
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first_ext_patch = false;
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curr_patchset_idx++;
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curr_patch_idx = 0;
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patches = calloc(sizeof(kip1_patch_t), 16); // Max 16 patches per set.
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patchsets[curr_patchset_idx].name = malloc(strlen(pt->name) + 1);
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strcpy(patchsets[curr_patchset_idx].name, pt->name);
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patchsets[curr_patchset_idx].patches = patches;
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}
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else
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{
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// Check if new patchset name is found and create a new set.
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if (strcmp(pt->name, patchsets[curr_patchset_idx].name))
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{
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curr_patchset_idx++;
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curr_patch_idx = 0;
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patches = calloc(sizeof(kip1_patch_t), 16); // Max 16 patches per set.
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patchsets[curr_patchset_idx].name = malloc(strlen(pt->name) + 1);
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strcpy(patchsets[curr_patchset_idx].name, pt->name);
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patchsets[curr_patchset_idx].patches = patches;
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}
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}
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if (pt->length)
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{
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patches[curr_patch_idx].offset = pt->offset;
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patches[curr_patch_idx].length = pt->length;
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patches[curr_patch_idx].srcData = malloc(pt->length);
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patches[curr_patch_idx].dstData = malloc(pt->length);
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memcpy(patches[curr_patch_idx].srcData, pt->srcData, pt->length);
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memcpy(patches[curr_patch_idx].dstData, pt->dstData, pt->length);
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}
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else
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patches[curr_patch_idx].srcData = malloc(1); // Empty patches check. Keep everything else as 0.
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curr_patch_idx++;
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}
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curr_patchset_idx++;
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patchsets[curr_patchset_idx].name = NULL;
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patchsets[curr_patchset_idx].patches = NULL;
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}
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curr_kip_idx++;
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if (!(curr_kip_idx < (sizeof(_kip_ids) / sizeof(_kip_ids[0]))))
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break;
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if (pt->length)
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{
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patches[curr_patch_idx].offset = pt->offset;
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patches[curr_patch_idx].length = pt->length;
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patches[curr_patch_idx].srcData = malloc(pt->length);
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patches[curr_patch_idx].dstData = malloc(pt->length);
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memcpy(patches[curr_patch_idx].srcData, pt->srcData, pt->length);
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memcpy(patches[curr_patch_idx].dstData, pt->dstData, pt->length);
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}
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else
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patches[curr_patch_idx].srcData = malloc(1); // Empty patches check. Keep everything else as 0.
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curr_patch_idx++;
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}
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curr_patchset_idx++;
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patchsets[curr_patchset_idx].name = NULL;
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patchsets[curr_patchset_idx].patches = NULL;
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}
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}
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ext_patches_done = true;
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}
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const pkg2_kernel_id_t *pkg2_identify(u8 *hash)
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@ -1041,13 +1075,13 @@ const char* pkg2_patch_kips(link_t *info, char* patchNames)
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LIST_FOREACH_ENTRY(pkg2_kip1_info_t, ki, info, link)
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{
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shaBuf[0] = 0; // sha256 for this kip not yet calculated.
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for (u32 currKipIdx = 0; currKipIdx < (sizeof(_kip_ids) / sizeof(_kip_ids[0])); currKipIdx++)
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for (u32 currKipIdx = 0; currKipIdx < _kip_id_sets_cnt; currKipIdx++)
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{
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if (strncmp((const char*)ki->kip1->name, _kip_ids[currKipIdx].name, sizeof(ki->kip1->name)) != 0)
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if (strncmp((const char*)ki->kip1->name, _kip_id_sets[currKipIdx].name, sizeof(ki->kip1->name)) != 0)
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continue;
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u32 bitsAffected = 0;
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kip1_patchset_t* currPatchset = _kip_ids[currKipIdx].patchset;
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kip1_patchset_t* currPatchset = _kip_id_sets[currKipIdx].patchset;
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while (currPatchset != NULL && currPatchset->name != NULL)
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{
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for (u32 i = 0; i < numPatches; i++)
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@ -1071,12 +1105,12 @@ const char* pkg2_patch_kips(link_t *info, char* patchNames)
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memset(shaBuf, 0, sizeof(shaBuf));
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}
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if (memcmp(shaBuf, _kip_ids[currKipIdx].hash, sizeof(_kip_ids[0].hash)) != 0)
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if (memcmp(shaBuf, _kip_id_sets[currKipIdx].hash, sizeof(_kip_id_sets[0].hash)) != 0)
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continue;
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// Find out which sections are affected by the enabled patches, to know which to decompress.
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bitsAffected = 0;
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currPatchset = _kip_ids[currKipIdx].patchset;
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currPatchset = _kip_id_sets[currKipIdx].patchset;
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while (currPatchset != NULL && currPatchset->name != NULL)
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{
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if (currPatchset->patches != NULL)
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@ -1111,7 +1145,7 @@ const char* pkg2_patch_kips(link_t *info, char* patchNames)
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DPRINTF("%dms %s KIP1 size %d hash %08X\n", (postDecompTime-preDecompTime) / 1000, ki->kip1->name, (int)ki->size, __builtin_bswap32(shaBuf[0]));
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#endif
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currPatchset = _kip_ids[currKipIdx].patchset;
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currPatchset = _kip_id_sets[currKipIdx].patchset;
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bool emummc_patch_selected = false;
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while (currPatchset != NULL && currPatchset->name != NULL)
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{
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@ -1180,7 +1214,7 @@ const char* pkg2_patch_kips(link_t *info, char* patchNames)
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}
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currPatchset++;
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}
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if (emummc_patch_selected && !strncmp(_kip_ids[currKipIdx].name, "FS", 2))
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if (emummc_patch_selected && !strncmp(_kip_id_sets[currKipIdx].name, "FS", 2))
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{
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emummc_patch_selected = false;
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emu_cfg.fs_ver = currKipIdx;
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@ -1215,7 +1249,6 @@ static const u8 mkey_keyseed_8xx[][0x10] =
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static bool _pkg2_key_unwrap_validate(pkg2_hdr_t *tmp_test, pkg2_hdr_t *hdr, u8 src_slot, u8 *mkey, const u8 *key_seed)
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{
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// Decrypt older encrypted mkey.
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se_aes_crypt_ecb(src_slot, 0, mkey, 0x10, key_seed, 0x10);
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// Set and unwrap pkg2 key.
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