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be_openssl: clear all pending errors before SSL_*() calls

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Refs: #350
Reported-by: @CapSel
This commit is contained in:
Azat Khuzhin 2016-05-02 15:21:50 +03:00
parent ce38993333
commit 38e0f4a5d6
1 changed files with 3 additions and 0 deletions
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3
bufferevent_openssl.c
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@ -593,6 +593,7 @@ do_read(struct bufferevent_openssl *bev_ssl, int n_to_read) {
for (i=0; i<n; ++i) { for (i=0; i<n; ++i) {
if (bev_ssl->bev.read_suspended) if (bev_ssl->bev.read_suspended)
break; break;
ERR_clear_error();
r = SSL_read(bev_ssl->ssl, space[i].iov_base, space[i].iov_len); r = SSL_read(bev_ssl->ssl, space[i].iov_base, space[i].iov_len);
if (r>0) { if (r>0) {
result |= OP_MADE_PROGRESS; result |= OP_MADE_PROGRESS;
@ -669,6 +670,7 @@ do_write(struct bufferevent_openssl *bev_ssl, int atmost)
if (space[i].iov_len == 0) if (space[i].iov_len == 0)
continue; continue;
ERR_clear_error();
r = SSL_write(bev_ssl->ssl, space[i].iov_base, r = SSL_write(bev_ssl->ssl, space[i].iov_base,
space[i].iov_len); space[i].iov_len);
if (r > 0) { if (r > 0) {
@ -1021,6 +1023,7 @@ do_handshake(struct bufferevent_openssl *bev_ssl)
return -1; return -1;
case BUFFEREVENT_SSL_CONNECTING: case BUFFEREVENT_SSL_CONNECTING:
case BUFFEREVENT_SSL_ACCEPTING: case BUFFEREVENT_SSL_ACCEPTING:
ERR_clear_error();
r = SSL_do_handshake(bev_ssl->ssl); r = SSL_do_handshake(bev_ssl->ssl);
break; break;
} }