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bcode: reject unsorted dictionary keys

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Lucas 2025-01-30 02:47:09 +00:00
parent d1be45bce6
commit 62deb83394
1 changed files with 5 additions and 4 deletions
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9
bcode.c
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@ -337,6 +337,10 @@ parse_dictionary(struct bcode_dictionary *d, const uint8_t *dp, size_t sz)
dp += n; dp += n;
consumed += n; consumed += n;
if (d->sz > 0 &&
kv_cmp(&d->elems[d->sz - 1], &d->elems[d->sz]) >= 0)
return 0;
n = parse_internal(&d->elems[d->sz].v, dp, sz); n = parse_internal(&d->elems[d->sz].v, dp, sz);
if (n == 0) if (n == 0)
return 0; return 0;
@ -372,11 +376,8 @@ parse_internal(struct bcode *bcode, const uint8_t *dp, size_t sz)
break; break;
case 'd': case 'd':
n = parse_dictionary(&bcode->dictionary, dp, sz); n = parse_dictionary(&bcode->dictionary, dp, sz);
if (n > 0) { if (n > 0)
qsort(bcode->dictionary.elems, bcode->dictionary.sz,
sizeof(*bcode->dictionary.elems), &kv_cmp);
bcode->type = BCODE_DICTIONARY; bcode->type = BCODE_DICTIONARY;
}
break; break;
default: default:
n = parse_string(&bcode->string, dp, sz); n = parse_string(&bcode->string, dp, sz);