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Fix ZipOS extraction of ZIP64 assets

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This commit is contained in:
Justine Tunney 2024-03-30 19:00:40 -07:00
parent bef2cb05ff
commit 9ff65cff63
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GPG key ID: BE714B4575D6E328
7 changed files with 50 additions and 24 deletions
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1
libc/nexgen32e/x86feature.h
View file

@ -154,6 +154,7 @@
#define X86_XTPR 1H, ECX, 14, 0
#define X86_ZERO_FCS_FDS 7H, EBX, 13, 0
#define X86_JIT 80000001H, ECX, 31, 0 /* IsGenuineBlink() */
#define X86_HYBRID_CPU 7H, EDX, 15, 0 /* Has performance and efficiency cores */
/* clang-format on */
/* AMD specific features */

8
libc/str/getzipcfilecompressedsize.c
View file

@ -29,8 +29,12 @@ int64_t GetZipCfileCompressedSize(const uint8_t *z) {
const uint8_t *pe = p + ZIP_CFILE_EXTRASIZE(z);
for (; p + ZIP_EXTRA_SIZE(p) <= pe; p += ZIP_EXTRA_SIZE(p)) {
if (ZIP_EXTRA_HEADERID(p) == kZipExtraZip64) {
if (8 <= ZIP_EXTRA_CONTENTSIZE(p)) {
return ZIP_READ64(ZIP_EXTRA_CONTENT(p));
int offset = 0;
if (ZIP_CFILE_UNCOMPRESSEDSIZE(z) == 0xFFFFFFFFu) {
offset += 8;
}
if (offset + 8 <= ZIP_EXTRA_CONTENTSIZE(p)) {
return ZIP_READ64(ZIP_EXTRA_CONTENT(p) + offset);
}
}
}

8
libc/str/getzipcfileuncompressedsize.c
View file

@ -29,12 +29,8 @@ int64_t GetZipCfileUncompressedSize(const uint8_t *z) {
const uint8_t *pe = p + ZIP_CFILE_EXTRASIZE(z);
for (; p + ZIP_EXTRA_SIZE(p) <= pe; p += ZIP_EXTRA_SIZE(p)) {
if (ZIP_EXTRA_HEADERID(p) == kZipExtraZip64) {
int offset = 0;
if (ZIP_CFILE_COMPRESSEDSIZE(z) == 0xFFFFFFFFu) {
offset += 8;
}
if (offset + 8 <= ZIP_EXTRA_CONTENTSIZE(p)) {
return ZIP_READ64(ZIP_EXTRA_CONTENT(p) + offset);
if (8 <= ZIP_EXTRA_CONTENTSIZE(p)) {
return ZIP_READ64(ZIP_EXTRA_CONTENT(p));
}
}
}

8
libc/str/getziplfilecompressedsize.c
View file

@ -29,8 +29,12 @@ int64_t GetZipLfileCompressedSize(const uint8_t *z) {
const uint8_t *pe = p + ZIP_LFILE_EXTRASIZE(z);
for (; p + ZIP_EXTRA_SIZE(p) <= pe; p += ZIP_EXTRA_SIZE(p)) {
if (ZIP_EXTRA_HEADERID(p) == kZipExtraZip64) {
if (8 <= ZIP_EXTRA_CONTENTSIZE(p)) {
return ZIP_READ64(ZIP_EXTRA_CONTENT(p));
int offset = 0;
if (ZIP_LFILE_UNCOMPRESSEDSIZE(z) == 0xFFFFFFFFu) {
offset += 8;
}
if (offset + 8 <= ZIP_EXTRA_CONTENTSIZE(p)) {
return ZIP_READ64(ZIP_EXTRA_CONTENT(p) + offset);
}
}
}

8
libc/str/getziplfileuncompressedsize.c
View file

@ -29,12 +29,8 @@ int64_t GetZipLfileUncompressedSize(const uint8_t *z) {
const uint8_t *pe = p + ZIP_LFILE_EXTRASIZE(z);
for (; p + ZIP_EXTRA_SIZE(p) <= pe; p += ZIP_EXTRA_SIZE(p)) {
if (ZIP_EXTRA_HEADERID(p) == kZipExtraZip64) {
int offset = 0;
if (ZIP_LFILE_COMPRESSEDSIZE(z) == 0xFFFFFFFFu) {
offset += 8;
}
if (offset + 8 <= ZIP_EXTRA_CONTENTSIZE(p)) {
return ZIP_READ64(ZIP_EXTRA_CONTENT(p) + offset);
if (8 <= ZIP_EXTRA_CONTENTSIZE(p)) {
return ZIP_READ64(ZIP_EXTRA_CONTENT(p));
}
}
}