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Fix memcpy

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This commit is contained in:
Vadim Vetrov
2024-09-19 22:28:32 +03:00
parent 5415bc37ec
commit 2fd3107401
3 changed files with 7 additions and 18 deletions
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7
mangle.c
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@@ -1037,7 +1037,12 @@ int fail_packet(uint8_t *payload, uint32_t *plen, uint32_t avail_buflen) {
return -1;
}
uint8_t *ndata = data + delta;
memcpy(ndata, data, dlen);
uint8_t *ndptr = ndata + dlen;
uint8_t *dptr = data + dlen;
for (size_t i = dlen + 1; i > 0; i--) {
*ndptr = *dptr;
--ndptr, --dptr;
}
data = ndata;
tcph_len = tcph_len + delta;
tcph->doff = tcph_len >> 2;