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Added check for SSL_get_current_cipher() results.

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The function may return NULL and result need to be checked before use.
This commit is contained in:
Vladimir Homutov 2020-04-04 22:25:41 +03:00
parent 61aa190cfb
commit 757b3e7bcf
1 changed files with 8 additions and 2 deletions
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10
src/event/ngx_event_quic_protection.c
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@ -62,13 +62,19 @@ static ngx_int_t
ngx_quic_ciphers(ngx_ssl_conn_t *ssl_conn, ngx_quic_ciphers_t *ciphers,
enum ssl_encryption_level_t level)
{
ngx_int_t id, len;
ngx_int_t id, len;
const SSL_CIPHER *cipher;
if (level == ssl_encryption_initial) {
id = NGX_AES_128_GCM_SHA256;
} else {
id = SSL_CIPHER_get_id(SSL_get_current_cipher(ssl_conn)) & 0xffff;
cipher = SSL_get_current_cipher(ssl_conn);
if (cipher == NULL) {
return NGX_ERROR;
}
id = SSL_CIPHER_get_id(cipher) & 0xffff;
}
switch (id) {