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Merge develop to release #695

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merged 2 commits into from
Aug 2, 2024
Merged

Merge develop to release #695

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8896799
stun: fix stun
pkova Aug 2, 2024
148219d
stun: fix stun (#694)
pkova Aug 2, 2024
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6 changes: 4 additions & 2 deletions pkg/vere/io/ames/stun.c
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Original file line number Diff line number Diff line change
Expand Up @@ -34,11 +34,11 @@ _stun_has_fingerprint(c3_y* buf_y, c3_w len_w)

fin_y = memmem(buf_y + i, len_w - i, ned_y, sizeof(ned_y));
if ( fin_y != 0 ) {
c3_w len_w = fin_y - buf_y;
c3_w lin_w = fin_y - buf_y;
// Skip attribute type and length
c3_w fingerprint = c3_sift_word(fin_y + sizeof(ned_y));
c3_w init = crc32(0L, Z_NULL, 0);
c3_w crc = htonl(crc32(init, buf_y, len_w) ^ 0x5354554e);
c3_w crc = htonl(crc32(init, buf_y, lin_w) ^ 0x5354554e);
if ((fingerprint == crc) && (fin_y - buf_y + 8) == len_w) {
return c3y;
}
Expand Down Expand Up @@ -125,6 +125,8 @@ u3_stun_make_response(const c3_y req_y[20],
// XX hardcoded to match the requests we produce
//
memcpy(buf_y, req_y, cur_w);
buf_y[0] = 0x01; buf_y[1] = 0x01; // 0x0101 SUCCESS RESPONSE
buf_y[2] = 0x00; buf_y[3] = 0x14; // Length: 20 bytes

memset(buf_y + cur_w, 0, cur_w);

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