Loader: Fix IPS edge condition, change ips location

This commit is contained in:
Michael Scire 2018-07-28 20:36:30 -07:00
parent 0f5f3c2ad0
commit 75916001a2

View file

@ -105,6 +105,8 @@ static void ApplyIpsPatch(u8 *mapped_nso, size_t mapped_size, bool is_ips32, FIL
patch_size -= diff;
fseek(f_ips, diff, SEEK_CUR);
goto IPS_DATA_PATCH_OFFSET_WITHIN_BOUNDS;
} else {
fseek(f_ips, patch_size, SEEK_CUR);
}
} else {
IPS_DATA_PATCH_OFFSET_WITHIN_BOUNDS:
@ -127,7 +129,7 @@ static void ApplyIpsPatch(u8 *mapped_nso, size_t mapped_size, bool is_ips32, FIL
void PatchUtils::ApplyPatches(u64 title_id, const NsoUtils::NsoHeader *header, u8 *mapped_nso, size_t mapped_size) {
/* Inspect all patches from /<title>/exefs/patches/<*>/<*>.ips. */
char path[FS_MAX_PATH+1] = {0};
snprintf(path, sizeof(path) - 1, "sdmc:/atmosphere/titles/%016lx/exefs/patches", title_id);
snprintf(path, sizeof(path) - 1, "sdmc:/atmosphere/titles/%016lx/exefs_patches", title_id);
DIR *patches_dir = opendir(path);
struct dirent *pdir_ent;
if (patches_dir != NULL) {
@ -136,7 +138,7 @@ void PatchUtils::ApplyPatches(u64 title_id, const NsoUtils::NsoHeader *header, u
if (strcmp(pdir_ent->d_name, ".") == 0 || strcmp(pdir_ent->d_name, "..") == 0) {
continue;
}
snprintf(path, sizeof(path) - 1, "sdmc:/atmosphere/titles/%016lx/exefs/patches/%s", title_id, pdir_ent->d_name);
snprintf(path, sizeof(path) - 1, "sdmc:/atmosphere/titles/%016lx/exefs_patches/%s", title_id, pdir_ent->d_name);
DIR *patch_dir = opendir(path);
struct dirent *ent;
if (patch_dir != NULL) {
@ -147,7 +149,7 @@ void PatchUtils::ApplyPatches(u64 title_id, const NsoUtils::NsoHeader *header, u
}
size_t name_len = strlen(ent->d_name);
if ((4 < name_len && name_len <= 0x44) && ((name_len & 1) == 0) && strcmp(ent->d_name + name_len - 4, ".ips") == 0 && MatchesBuildId(ent->d_name, name_len, header->build_id)) {
snprintf(path, sizeof(path) - 1, "sdmc:/atmosphere/titles/%016lx/exefs/patches/%s/%s", title_id, pdir_ent->d_name, ent->d_name);
snprintf(path, sizeof(path) - 1, "sdmc:/atmosphere/titles/%016lx/exefs_patches/%s/%s", title_id, pdir_ent->d_name, ent->d_name);
FILE *f_ips = fopen(path, "rb");
if (f_ips != NULL) {
u8 header[5];