lorenz.stechauner/sesimos
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Fix FastCGI compression

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Lorenz Stechauner
2021-11-21 16:31:26 +01:00
parent 8721f07d00
commit a1fee3d2ec
2 changed files with 26 additions and 20 deletions
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45
src/client.c
View File

@ -418,11 +418,10 @@ int client_request_handler(sock *client, unsigned long client_num, unsigned int
ret = fastcgi_header(&fcgi_conn, &res, err_msg);
if (ret != 0) {
if (ret < 0) {
goto abort;
}
if (ret < 0) goto abort;
goto respond;
}
char *status = http_get_header_field(&res.hdr, "Status");
if (status != NULL) {
int status_code = (int) strtoul(status, NULL, 10);
@ -438,25 +437,30 @@ int client_request_handler(sock *client, unsigned long client_num, unsigned int
sprintf(err_msg, "The status code was set to an invalid or unknown value.");
goto respond;
}
}
if (status_code >= 300 && status_code < 600) {
const char *content_type = http_get_header_field(&res.hdr, "Content-Type");
const char *content_length_f = http_get_header_field(&res.hdr, "Content-Length");
const char *content_encoding = http_get_header_field(&res.hdr, "Content-Encoding");
if (content_encoding == NULL && content_type != NULL && content_length_f != NULL &&
strncmp(content_type, "text/html", 9) == 0)
{
long content_len = strtol(content_length_f, NULL, 10);
if (content_len <= sizeof(msg_content) - 1) {
fastcgi_dump(&fcgi_conn, msg_content, sizeof(msg_content));
goto respond;
}
}
}
const char *content_length_f = http_get_header_field(&res.hdr, "Content-Length");
content_length = (content_length_f == NULL) ? -1 : strtol(content_length_f, NULL, 10);
const char *content_type = http_get_header_field(&res.hdr, "Content-Type");
const char *content_encoding = http_get_header_field(&res.hdr, "Content-Encoding");
if (content_encoding == NULL &&
content_type != NULL &&
strncmp(content_type, "text/html", 9) == 0 &&
content_length != -1 &&
content_length <= sizeof(msg_content) - 1)
{
fastcgi_dump(&fcgi_conn, msg_content, sizeof(msg_content));
goto respond;
}
use_fastcgi = 1;
if (content_length != -1 && content_length < 1024000) {
use_fastcgi |= FASTCGI_COMPRESS_HOLD;
}
content_length = -1;
use_fastcgi = 1;
int http_comp = http_get_compression(&req, &res);
if (http_comp & COMPRESS) {
@ -469,6 +473,7 @@ int client_request_handler(sock *client, unsigned long client_num, unsigned int
}
http_add_header_field(&res.hdr, "Vary", "Accept-Encoding");
http_add_header_field(&res.hdr, "Content-Encoding", buf0);
http_remove_header_field(&res.hdr, "Content-Length", HTTP_REMOVE_ALL);
}
if (http_get_header_field(&res.hdr, "Content-Length") == NULL) {
@ -537,7 +542,7 @@ int client_request_handler(sock *client, unsigned long client_num, unsigned int
if (http_get_header_field(&res.hdr, "Accept-Ranges") == NULL) {
http_add_header_field(&res.hdr, "Accept-Ranges", "none");
}
if (!use_fastcgi && file == NULL && ((res.status->code >= 300 && res.status->code < 600) || err_msg[0] != 0)) {
if (!use_fastcgi && file == NULL) {
http_remove_header_field(&res.hdr, "Date", HTTP_REMOVE_ALL);
http_remove_header_field(&res.hdr, "Server", HTTP_REMOVE_ALL);
http_remove_header_field(&res.hdr, "Cache-Control", HTTP_REMOVE_ALL);
@ -646,7 +651,7 @@ int client_request_handler(sock *client, unsigned long client_num, unsigned int
char *transfer_encoding = http_get_header_field(&res.hdr, "Transfer-Encoding");
int chunked = transfer_encoding != NULL && strcmp(transfer_encoding, "chunked") == 0;
int flags = (chunked ? FASTCGI_CHUNKED : 0) | (use_fastcgi & FASTCGI_COMPRESS);
int flags = (chunked ? FASTCGI_CHUNKED : 0) | (use_fastcgi & (FASTCGI_COMPRESS | FASTCGI_COMPRESS_HOLD));
ret = fastcgi_send(&fcgi_conn, client, flags);
} else if (use_rev_proxy) {
char *transfer_encoding = http_get_header_field(&res.hdr, "Transfer-Encoding");

1
src/lib/fastcgi.h
View File

@ -16,6 +16,7 @@
#define FASTCGI_COMPRESS_GZ 2
#define FASTCGI_COMPRESS_BR 4
#define FASTCGI_COMPRESS 6
#define FASTCGI_COMPRESS_HOLD 8
#define FASTCGI_PHP 1
#define FASTCGI_NECRONDA 2