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Add missing checks for php_crc32_stream_bulk_update() in phar #18608

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Add missing checks for php_crc32_stream_bulk_update() in phar #18608

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11 changes: 10 additions & 1 deletion ext/phar/phar.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2801,7 +2801,16 @@ int phar_flush(phar_archive_data *phar, char *user_stub, zend_long len, int conv
return EOF;
}
newcrc32 = php_crc32_bulk_init();
php_crc32_stream_bulk_update(&newcrc32, file, entry->uncompressed_filesize);
if (php_crc32_stream_bulk_update(&newcrc32, file, entry->uncompressed_filesize) != SUCCESS) {
if (closeoldfile) {
php_stream_close(oldfile);
}
php_stream_close(newfile);
if (error) {
spprintf(error, 0, "unable to read file \"%s\" for crc32 while creating new phar \"%s\"", entry->filename, phar->fname);
}
return EOF;
}
entry->crc32 = php_crc32_bulk_end(newcrc32);
entry->is_crc_checked = 1;
if (!(entry->flags & PHAR_ENT_COMPRESSION_MASK)) {
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5 changes: 4 additions & 1 deletion ext/phar/zip.c
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Original file line number Diff line number Diff line change
Expand Up @@ -939,7 +939,10 @@ static int phar_zip_changed_apply_int(phar_entry_info *entry, void *arg) /* {{{
efp = phar_get_efp(entry, 0);
newcrc32 = php_crc32_bulk_init();

php_crc32_stream_bulk_update(&newcrc32, efp, entry->uncompressed_filesize);
if (php_crc32_stream_bulk_update(&newcrc32, efp, entry->uncompressed_filesize) != SUCCESS) {
spprintf(p->error, 0, "unable to read file \"%s\" for crc32 in zip-based phar \"%s\"", entry->filename, entry->phar->fname);
return ZEND_HASH_APPLY_STOP;
}

entry->crc32 = php_crc32_bulk_end(newcrc32);
PHAR_SET_32(central.uncompsize, entry->uncompressed_filesize);
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