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Finally remove compression from proxy

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This commit is contained in:
Lorenz Stechauner
2023-01-13 02:49:25 +01:00
parent e8655102b9
commit 59b9bfd53e
3 changed files with 21 additions and 100 deletions
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57
src/lib/proxy.c
View File

@ -11,7 +11,6 @@
#include "../logger.h"
#include "proxy.h"
#include "utils.h"
#include "compress.h"
#include "config.h"
#include "error.h"
@ -381,9 +380,8 @@ int proxy_init(proxy_ctx_t **proxy_ptr, http_req *req, http_res *res, http_statu
SSL_set_fd(proxy->proxy.ssl, proxy->proxy.socket);
SSL_set_connect_state(proxy->proxy.ssl);
ret = SSL_do_handshake(proxy->proxy.ssl);
if (ret != 1) {
sock_error(&proxy->proxy, ret);
if ((ret = SSL_do_handshake(proxy->proxy.ssl)) != 1) {
sock_error(&proxy->proxy, (int) ret);
SSL_free(proxy->proxy.ssl);
res->status = http_get_status(502);
ctx->origin = SERVER_REQ;
@ -567,24 +565,8 @@ int proxy_init(proxy_ctx_t **proxy_ptr, http_req *req, http_res *res, http_statu
}
int proxy_send(proxy_ctx_t *proxy, sock *client, unsigned long len_to_send, int flags) {
char buffer[CHUNK_SIZE], comp_out[CHUNK_SIZE], buf[256], *ptr;
char buffer[CHUNK_SIZE], buf[256], *ptr;
long ret = 0, len, snd_len;
int finish_comp = 0;
compress_ctx comp_ctx;
if (flags & PROXY_COMPRESS_BR) {
flags &= ~PROXY_COMPRESS_GZ;
if (compress_init(&comp_ctx, COMPRESS_BR) != 0) {
error("Unable to init brotli");
flags &= ~PROXY_COMPRESS_BR;
}
} else if (flags & PROXY_COMPRESS_GZ) {
flags &= ~PROXY_COMPRESS_BR;
if (compress_init(&comp_ctx, COMPRESS_GZ) != 0) {
error("Unable to init gzip");
flags &= ~PROXY_COMPRESS_GZ;
}
}
do {
snd_len = 0;
@ -601,37 +583,15 @@ int proxy_send(proxy_ctx_t *proxy, sock *client, unsigned long len_to_send, int
len_to_send = ret;
ret = 1;
if (len_to_send == 0 && (flags & PROXY_COMPRESS)) {
finish_comp = 1;
len = 0;
ptr = NULL;
goto out;
finish:
compress_free(&comp_ctx);
}
}
while (snd_len < len_to_send) {
unsigned long avail_in, avail_out;
ret = sock_recv(&proxy->proxy, buffer, CHUNK_SIZE < (len_to_send - snd_len) ? CHUNK_SIZE : len_to_send - snd_len, 0);
if (ret <= 0) {
error("Unable to receive from server");
break;
}
len = ret;
ptr = buffer;
out:
avail_in = len;
char *next_in = ptr;
do {
long buf_len = len;
if (flags & PROXY_COMPRESS) {
avail_out = sizeof(comp_out);
compress_compress(&comp_ctx, next_in + len - avail_in, &avail_in, comp_out, &avail_out, finish_comp);
ptr = comp_out;
buf_len = (int) (sizeof(comp_out) - avail_out);
snd_len += (long) (len - avail_in);
}
if (buf_len != 0) {
long buf_len = ret;
len = sprintf(buf, "%lX\r\n", buf_len);
ret = 1;
@ -640,7 +600,7 @@ int proxy_send(proxy_ctx_t *proxy, sock *client, unsigned long len_to_send, int
ret = sock_send_x(client, ptr, buf_len, 0);
if (ret <= 0) goto err;
if (!(flags & PROXY_COMPRESS)) snd_len += ret;
snd_len += ret;
if (flags & PROXY_CHUNKED) ret = sock_send_x(client, "\r\n", 2, 0);
if (ret <= 0) {
@ -649,10 +609,6 @@ int proxy_send(proxy_ctx_t *proxy, sock *client, unsigned long len_to_send, int
break;
}
}
} while ((flags & PROXY_COMPRESS) && (avail_in != 0 || avail_out != sizeof(comp_out)));
if (ret <= 0) break;
if (finish_comp) goto finish;
}
if (ret <= 0) break;
if (flags & PROXY_CHUNKED) sock_recv_x(&proxy->proxy, buffer, 2, 0);
} while ((flags & PROXY_CHUNKED) && len_to_send > 0);
@ -660,8 +616,7 @@ int proxy_send(proxy_ctx_t *proxy, sock *client, unsigned long len_to_send, int
if (ret <= 0) return -1;
if (flags & PROXY_CHUNKED) {
ret = sock_send_x(client, "0\r\n\r\n", 5, 0);
if (ret <= 0) {
if (sock_send_x(client, "0\r\n\r\n", 5, 0) == -1) {
error("Unable to send");
return -1;
}

3
src/lib/proxy.h
View File

@ -10,9 +10,6 @@
#define SESIMOS_PROXY_H
#define PROXY_CHUNKED 1
#define PROXY_COMPRESS_GZ 2
#define PROXY_COMPRESS_BR 4
#define PROXY_COMPRESS 6
#ifndef SERVER_NAME
# define SERVER_NAME "reverse proxy"

37
src/worker/proxy_handler.c
View File

@ -104,35 +104,7 @@ static int proxy_handler_1(client_ctx_t *ctx) {
}
}
if (streq(ctx->req.method, "HEAD")) {
return 1;
}
/*
char *content_encoding = http_get_header_field(&res->hdr, "Content-Encoding");
if (use_proxy && content_encoding == NULL) {
int http_comp = http_get_compression(&req, &res);
if (http_comp & COMPRESS_BR) {
use_proxy |= PROXY_COMPRESS_BR;
} else if (http_comp & COMPRESS_GZ) {
use_proxy |= PROXY_COMPRESS_GZ;
}
}
char *transfer_encoding = http_get_header_field(&res->hdr, "Transfer-Encoding");
int chunked = transfer_encoding != NULL && streq(transfer_encoding, "chunked");
http_remove_header_field(&res->hdr, "Transfer-Encoding", HTTP_REMOVE_ALL);
ret = sprintf(buf, "%s%s%s",
(use_proxy & PROXY_COMPRESS_BR) ? "br" :
((use_proxy & PROXY_COMPRESS_GZ) ? "gzip" : ""),
((use_proxy & PROXY_COMPRESS) && chunked) ? ", " : "",
chunked ? "chunked" : "");
if (ret > 0) {
http_add_header_field(&res->hdr, "Transfer-Encoding", buf);
}
*/
return 0;
return streq(ctx->req.method, "HEAD") ? 1 : 0;
}
static int proxy_handler_2(client_ctx_t *ctx) {
@ -140,12 +112,9 @@ static int proxy_handler_2(client_ctx_t *ctx) {
int chunked = strcontains(transfer_encoding, "chunked");
const char *content_len = http_get_header_field(&ctx->res.hdr, "Content-Length");
unsigned long len_to_send = 0;
if (content_len != NULL) {
len_to_send = strtol(content_len, NULL, 10);
}
unsigned long len_to_send = (content_len != NULL) ? strtol(content_len, NULL, 10) : 0;
int flags = (chunked ? PROXY_CHUNKED : 0) | (ctx->use_proxy & PROXY_COMPRESS);
int flags = (chunked ? PROXY_CHUNKED : 0);
int ret = proxy_send(ctx->proxy, &ctx->socket, len_to_send, flags);
if (ret < 0) {