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Return '0' from callback on size error

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This commit is contained in:
Bruno Silvestre 2023-02-16 10:13:54 -03:00
parent 0f793b73c0
commit 9b09c93249
1 changed files with 6 additions and 2 deletions
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8
src/context.c
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@ -728,13 +728,17 @@ static unsigned int server_psk_cb(SSL *ssl, const char *identity, unsigned char
lua_call(L, 2, 1);
if (!lua_isstring(L, -1) || lua_objlen(L, -1) == 0) {
if (!lua_isstring(L, -1)) {
lua_pop(L, 2);
return 0;
}
ret_psk = luaL_tolstring(L, -1, &psk_len);
memcpy(psk, ret_psk, (psk_len > max_psk_len) ? max_psk_len : psk_len);
if (psk_len == 0 || psk_len > max_psk_len)
psk_len = 0;
else
memcpy(psk, ret_psk, psk_len);
lua_pop(L, 2);