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handle missing SSL-close-notify if keep-alive is disabled (fixed #311) 

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-merge-1.4.x@803 152afb58-edef-0310-8abb-c4023f1b3aa9
This commit is contained in:
Jan Kneschke 2005-10-31 08:44:54 +00:00
parent 0b3cc19a7f
commit 3888c10357
1 changed files with 39 additions and 13 deletions
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52
src/network_openssl.c
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@ -49,6 +49,15 @@ int network_write_chunkqueue_openssl(server *srv, connection *con, SSL *ssl, chu
#define LOCAL_SEND_BUFSIZE (64 * 1024)
static char *local_send_buffer = NULL;
/* the remote side closed the connection before without shutdown request
* - IE
* - wget
* if keep-alive is disabled */
if (con->keep_alive == 0) {
SSL_set_shutdown(ssl, SSL_RECEIVED_SHUTDOWN);
}
for(c = cq->first; c; c = c->next) {
int chunk_finished = 0;
@ -114,7 +123,7 @@ int network_write_chunkqueue_openssl(server *srv, connection *con, SSL *ssl, chu
if (r == 0) return -2;
/* fall thourgh */
/* fall through */
default:
while((err = ERR_get_error())) {
log_error_write(srv, __FILE__, __LINE__, "sdds", "SSL:",
@ -156,7 +165,6 @@ int network_write_chunkqueue_openssl(server *srv, connection *con, SSL *ssl, chu
}
do {
offset = c->file.start + c->offset;
toSend = c->file.length - c->offset;
@ -181,19 +189,36 @@ int network_write_chunkqueue_openssl(server *srv, connection *con, SSL *ssl, chu
close(ifd);
if ((r = SSL_write(ssl, s, toSend)) <= 0) {
unsigned long err;
switch ((ssl_r = SSL_get_error(ssl, r))) {
case SSL_ERROR_WANT_WRITE:
write_wait = 1;
break;
case SSL_ERROR_SYSCALL:
switch(errno) {
case EPIPE:
return -2;
default:
log_error_write(srv, __FILE__, __LINE__, "sddds", "SSL:",
/* perhaps we have error waiting in our error-queue */
if (0 != (err = ERR_get_error())) {
do {
log_error_write(srv, __FILE__, __LINE__, "sdds", "SSL:",
ssl_r, r,
ERR_error_string(err, NULL));
} while((err = ERR_get_error()));
} else if (r == -1) {
/* no, but we have errno */
switch(errno) {
case EPIPE:
return -2;
default:
log_error_write(srv, __FILE__, __LINE__, "sddds", "SSL:",
ssl_r, r, errno,
strerror(errno));
break;
}
} else {
/* neither error-queue nor errno ? */
log_error_write(srv, __FILE__, __LINE__, "sddds", "SSL (error):",
ssl_r, r, errno,
strerror(errno));
break;
}
return -1;
@ -204,9 +229,11 @@ int network_write_chunkqueue_openssl(server *srv, connection *con, SSL *ssl, chu
/* fall thourgh */
default:
log_error_write(srv, __FILE__, __LINE__, "sdds", "SSL:",
ssl_r, r,
ERR_error_string(ERR_get_error(), NULL));
while((err = ERR_get_error())) {
log_error_write(srv, __FILE__, __LINE__, "sdds", "SSL:",
ssl_r, r,
ERR_error_string(err, NULL));
}
return -1;
}
@ -235,9 +262,8 @@ int network_write_chunkqueue_openssl(server *srv, connection *con, SSL *ssl, chu
}
chunks_written++;
}
return chunks_written;
}
#endif