mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-07-18 00:20:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Make redbean StoreAsset() work better

Browse source 
- Better UBSAN error messages
- POSIX Advisory Locks polyfills
- Move redbean manual to /.help.txt
- System call memory safety in ASAN mode
- Character classification now does UNICODE
This commit is contained in:
Justine Tunney 2021-05-14 05:36:58 -07:00
parent 919b6fec10
commit 690be544da
228 changed files with 3653 additions and 3015 deletions
Download patch file Download diff file Expand all files Collapse all files

13
libc/str/iszipcdir64.c
View file

@ -23,11 +23,16 @@
* Returns true if zip64 end of central directory header seems legit.
*/
bool IsZipCdir64(const uint8_t *p, size_t n, size_t i) {
if (i > n || n - i < kZipCdir64HdrMinSize) return false;
if (i + kZipCdir64HdrMinSize > n) return false;
if (READ32LE(p + i) != kZipCdir64HdrMagic) return false;
if (i + ZIP_CDIR64_HDRSIZE(p + i) > n) return false;
if (ZIP_CDIR64_DISK(p + i) != ZIP_CDIR64_STARTINGDISK(p + i)) return false;
if (ZIP_CDIR64_RECORDSONDISK(p + i) != ZIP_CDIR64_RECORDS(p + i)) {
if (i + ZIP_CDIR64_HDRSIZE(p + i) + kZipCdir64LocatorSize > n) {
return false;
}
if (ZIP_LOCATE64_MAGIC(p + i + ZIP_CDIR64_HDRSIZE(p + i)) !=
kZipCdir64LocatorMagic) {
return false;
}
if (ZIP_LOCATE64_OFFSET(p + i + ZIP_CDIR64_HDRSIZE(p + i)) != i) {
return false;
}
if (ZIP_CDIR64_RECORDS(p + i) * kZipCfileHdrMinSize >