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nginx-0.0.7-2004-07-23-09:37:29 import

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This commit is contained in:
Igor Sysoev 2004-07-23 05:37:29 +00:00
parent 74a5ddb47a
commit 6cd88bb7ab
2 changed files with 107 additions and 122 deletions
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228
src/event/ngx_event_openssl.c
View File

@ -4,6 +4,9 @@
#include <ngx_event.h>
static ngx_int_t ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size);
ngx_int_t ngx_ssl_init(ngx_log_t *log)
{
SSL_library_init();
@ -22,10 +25,12 @@ ngx_int_t ngx_ssl_create_session(ngx_ssl_ctx_t *ssl_ctx, ngx_connection_t *c,
return NGX_ERROR;
}
if (!(ssl->buf = ngx_create_temp_buf(c->pool, NGX_SSL_BUFSIZE))) {
return NGX_ERROR;
}
if (flags & NGX_SSL_BUFFER) {
if (!(ssl->buf = ngx_create_temp_buf(c->pool, NGX_SSL_BUFSIZE))) {
return NGX_ERROR;
}
ssl->buffer = 1;
}
ssl->ssl = SSL_new(ssl_ctx);
@ -104,175 +109,154 @@ ngx_int_t ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size)
ngx_chain_t *ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in,
off_t limit)
{
int n, sslerr;
ngx_err_t err;
ssize_t send, size;
ngx_buf_t *buf;
send = 0;
int n;
ngx_uint_t flush;
ssize_t send, size;
ngx_buf_t *buf;
buf = c->ssl->buf;
#if 0
if (in && in->next == NULL && !c->ssl->buffer && buf->pos == buf->last) {
if (buf) {
/*
* the optimized path without a copy if there is the single incoming
* buf, we do not need to buffer output and our buffer is empty
*/
for ( ;; ) {
n = ngx_ssl_write(c, in->buf->pos, in->buf->last - in->buf->pos);
for ( /* void */ ; in && buf->last < buf->end; in = in->next) {
if (ngx_buf_special(in->buf)) {
continue;
}
if (n < 0) {
return (ngx_chain_t *) n;
}
size = in->buf->last - in->buf->pos;
in->buf->pos += n;
if (size > buf->end - buf->last) {
size = buf->end - buf->last;
}
return in;
}
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
"SSL buf copy: %d", size);
send = 0;
flush = (in == NULL) ? 1 : 0;
ngx_memcpy(buf->last, in->buf->pos, size);
for ( ;; ) {
buf->last += size;
in->buf->pos += size;
while (in && buf->last < buf->end) {
if (in->buf->last_buf) {
flush = 1;
}
size = buf->last - buf->pos;
if (ngx_buf_special(in->buf)) {
continue;
}
size = in->buf->last - in->buf->pos;
if (size > buf->end - buf->last) {
size = buf->end - buf->last;
}
/*
* TODO: the taking in->buf->flush into account can be
* implemented using the limit
*/
if (send + size > limit) {
size = limit - send;
flush = 1;
}
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
"SSL to write: %d", size);
"SSL buf copy: %d", size);
n = SSL_write(c->ssl->ssl, buf->pos, size);
ngx_memcpy(buf->last, in->buf->pos, size);
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
"SSL_write: %d", n);
buf->last += size;
if (n > 0) {
buf->pos += n;
send += n;
c->sent += n;
if (n < size) {
break;
}
if (send < limit) {
if (buf->pos == buf->last) {
buf->pos = buf->start;
buf->last = buf->start;
}
if (in == NULL) {
break;
}
continue;
}
in->buf->pos += size;
if (in->buf->pos == in->buf->last) {
in = in->next;
}
n = SSL_get_error(c->ssl->ssl, n);
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
"SSL_get_error: %d", n);
if (n == SSL_ERROR_WANT_WRITE) {
break;
}
#if 0
if (n == SSL_ERROR_WANT_READ) {
break;
}
#endif
ngx_ssl_error(NGX_LOG_ALERT, c->log, "SSL_write() failed");
return NGX_CHAIN_ERROR;
}
if (in) {
c->write->ready = 0;
return in;
size = buf->last - buf->pos;
if (flush || buf->last == buf->end || !c->ssl->buffer) {
n = ngx_ssl_write(c, buf->pos, size);
} else {
return NGX_CHAIN_AGAIN;
}
if (n < 0) {
return (ngx_chain_t *) n;
}
buf->pos += n;
send += n;
c->sent += n;
if (n < size) {
break;
}
if (buf->pos == buf->last) {
return NULL;
buf->pos = buf->start;
buf->last = buf->start;
}
} else {
c->write->ready = 0;
return NGX_CHAIN_AGAIN;
if (in == NULL || send == limit) {
break;
}
}
#endif
if (in) {
return in;
}
for (/* void */; in; in = in->next) {
if (ngx_buf_special(in->buf)) {
continue;
}
if (buf->pos == buf->last) {
return NULL;
}
size = in->buf->last - in->buf->pos;
return NGX_CHAIN_AGAIN;
}
if (send + size > limit) {
size = limit - send;
}
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
"SSL to write: %d", size);
static ngx_int_t ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size)
{
int n, sslerr;
ngx_err_t err;
n = SSL_write(c->ssl->ssl, in->buf->pos, size);
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL to write: %d", size);
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_write: %d", n);
n = SSL_write(c->ssl->ssl, data, size);
if (n > 0) {
in->buf->pos += n;
send += n;
c->sent += n;
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_write: %d", n);
if (n == size) {
if (send < limit) {
continue;
}
if (n > 0) {
return n;
}
return in;
}
sslerr = SSL_get_error(c->ssl->ssl, n);
c->write->ready = 0;
return in;
}
err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
sslerr = SSL_get_error(c->ssl->ssl, n);
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
"SSL_get_error: %d", sslerr);
if (sslerr == SSL_ERROR_WANT_WRITE) {
c->write->ready = 0;
return in;
}
if (sslerr == SSL_ERROR_WANT_WRITE) {
c->write->ready = 0;
return NGX_AGAIN;
}
#if 0
if (sslerr == SSL_ERROR_WANT_READ) {
return NGX_AGAIN;
}
if (sslerr == SSL_ERROR_WANT_READ) {
return NGX_AGAIN;
}
#endif
c->ssl->no_rcv_shut = 1;
c->ssl->no_rcv_shut = 1;
ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_write() failed");
ngx_ssl_error(NGX_LOG_ALERT, c->log, err, "SSL_write() failed");
return NGX_CHAIN_ERROR;
}
return in;
return NGX_ERROR;
}

1
src/event/ngx_event_openssl.h
View File

@ -14,6 +14,7 @@ typedef struct {
ngx_buf_t *buf;
ngx_event_handler_pt saved_handler;
unsigned buffer:1;
unsigned no_rcv_shut:1;
unsigned no_send_shut:1;
} ngx_ssl_t;