Adding upstream version 1.29.0.upstream/1.29.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 58 insertions, 57 deletions

diff --git a/web/server/web_client.h b/web/server/web_client.h
index c785a7fda..48bf1ac86 100644
--- a/web/server/web_client.h
+++ b/web/server/web_client.h
@@ -6,24 +6,22 @@
 #include "libnetdata/libnetdata.h"
 
 #ifdef NETDATA_WITH_ZLIB
-extern int web_enable_gzip,
-        web_gzip_level,
-        web_gzip_strategy;
+extern int web_enable_gzip, web_gzip_level, web_gzip_strategy;
 #endif /* NETDATA_WITH_ZLIB */
 
 // HTTP_CODES 2XX Success
-#define HTTP_RESP_OK            200
+#define HTTP_RESP_OK 200
 
 // HTTP_CODES 3XX Redirections
-#define HTTP_RESP_MOVED_PERM    301
-#define HTTP_RESP_REDIR_TEMP    307
-#define HTTP_RESP_REDIR_PERM    308
+#define HTTP_RESP_MOVED_PERM 301
+#define HTTP_RESP_REDIR_TEMP 307
+#define HTTP_RESP_REDIR_PERM 308
 
 // HTTP_CODES 4XX Client Errors
-#define HTTP_RESP_BAD_REQUEST   400
-#define HTTP_RESP_FORBIDDEN     403
-#define HTTP_RESP_NOT_FOUND     404
-#define HTTP_RESP_PRECOND_FAIL  412
+#define HTTP_RESP_BAD_REQUEST 400
+#define HTTP_RESP_FORBIDDEN 403
+#define HTTP_RESP_NOT_FOUND 404
+#define HTTP_RESP_PRECOND_FAIL 412
 
 // HTTP_CODES 5XX Server Errors
 #define HTTP_RESP_INTERNAL_SERVER_ERROR 500
@@ -33,10 +31,10 @@ extern int respect_web_browser_do_not_track_policy;
 extern char *web_x_frame_options;
 
 typedef enum web_client_mode {
-    WEB_CLIENT_MODE_NORMAL      = 0,
-    WEB_CLIENT_MODE_FILECOPY    = 1,
-    WEB_CLIENT_MODE_OPTIONS     = 2,
-    WEB_CLIENT_MODE_STREAM      = 3
+    WEB_CLIENT_MODE_NORMAL = 0,
+    WEB_CLIENT_MODE_FILECOPY = 1,
+    WEB_CLIENT_MODE_OPTIONS = 2,
+    WEB_CLIENT_MODE_STREAM = 3
 } WEB_CLIENT_MODE;
 
 typedef enum {
@@ -52,20 +50,22 @@ typedef enum {
 } HTTP_VALIDATION;
 
 typedef enum web_client_flags {
-    WEB_CLIENT_FLAG_DEAD              = 1 << 1, // if set, this client is dead
+    WEB_CLIENT_FLAG_DEAD = 1 << 1, // if set, this client is dead
 
-    WEB_CLIENT_FLAG_KEEPALIVE         = 1 << 2, // if set, the web client will be re-used
+    WEB_CLIENT_FLAG_KEEPALIVE = 1 << 2, // if set, the web client will be re-used
 
-    WEB_CLIENT_FLAG_WAIT_RECEIVE      = 1 << 3, // if set, we are waiting more input data
-    WEB_CLIENT_FLAG_WAIT_SEND         = 1 << 4, // if set, we have data to send to the client
+    WEB_CLIENT_FLAG_WAIT_RECEIVE = 1 << 3, // if set, we are waiting more input data
+    WEB_CLIENT_FLAG_WAIT_SEND = 1 << 4,    // if set, we have data to send to the client
 
-    WEB_CLIENT_FLAG_DO_NOT_TRACK      = 1 << 5, // if set, we should not set cookies on this client
+    WEB_CLIENT_FLAG_DO_NOT_TRACK = 1 << 5,      // if set, we should not set cookies on this client
     WEB_CLIENT_FLAG_TRACKING_REQUIRED = 1 << 6, // if set, we need to send cookies
 
-    WEB_CLIENT_FLAG_TCP_CLIENT        = 1 << 7, // if set, the client is using a TCP socket
-    WEB_CLIENT_FLAG_UNIX_CLIENT       = 1 << 8, // if set, the client is using a UNIX socket
+    WEB_CLIENT_FLAG_TCP_CLIENT = 1 << 7,  // if set, the client is using a TCP socket
+    WEB_CLIENT_FLAG_UNIX_CLIENT = 1 << 8, // if set, the client is using a UNIX socket
 
-    WEB_CLIENT_FLAG_DONT_CLOSE_SOCKET = 1 << 9,  // don't close the socket when cleaning up (static-threaded web server)
+    WEB_CLIENT_FLAG_DONT_CLOSE_SOCKET = 1 << 9, // don't close the socket when cleaning up (static-threaded web server)
+
+    WEB_CLIENT_CHUNKED_TRANSFER = 1 << 10, // chunked transfer (used with zlib compression)
 } WEB_CLIENT_FLAGS;
 
 //#ifdef HAVE_C___ATOMIC
@@ -74,7 +74,7 @@ typedef enum web_client_flags {
 //#define web_client_flag_clear(w, flag) __atomic_and_fetch(&((w)->flags), ~flag, __ATOMIC_SEQ_CST)
 //#else
 #define web_client_flag_check(w, flag) ((w)->flags & (flag))
-#define web_client_flag_set(w, flag)   (w)->flags |= flag
+#define web_client_flag_set(w, flag) (w)->flags |= flag
 #define web_client_flag_clear(w, flag) (w)->flags &= ~flag
 //#endif
 
@@ -118,59 +118,59 @@ typedef enum web_client_flags {
 #define NETDATA_WEB_REQUEST_MAX_SIZE 16384
 
 struct response {
-    BUFFER *header;                 // our response header
-    BUFFER *header_output;          // internal use
-    BUFFER *data;                   // our response data buffer
+    BUFFER *header;        // our response header
+    BUFFER *header_output; // internal use
+    BUFFER *data;          // our response data buffer
 
-    int code;                       // the HTTP response code
+    int code; // the HTTP response code
 
-    size_t rlen;                    // if non-zero, the excepted size of ifd (input of firecopy)
-    size_t sent;                    // current data length sent to output
+    size_t rlen; // if non-zero, the excepted size of ifd (input of firecopy)
+    size_t sent; // current data length sent to output
 
-    int zoutput;                    // if set to 1, web_client_send() will send compressed data
+    int zoutput; // if set to 1, web_client_send() will send compressed data
 #ifdef NETDATA_WITH_ZLIB
-    z_stream zstream;               // zlib stream for sending compressed output to client
+    z_stream zstream;                                    // zlib stream for sending compressed output to client
     Bytef zbuffer[NETDATA_WEB_RESPONSE_ZLIB_CHUNK_SIZE]; // temporary buffer for storing compressed output
-    size_t zsent;                   // the compressed bytes we have sent to the client
-    size_t zhave;                   // the compressed bytes that we have received from zlib
-    unsigned int zinitialized:1;
+    size_t zsent;                                        // the compressed bytes we have sent to the client
+    size_t zhave;                                        // the compressed bytes that we have received from zlib
+    unsigned int zinitialized : 1;
 #endif /* NETDATA_WITH_ZLIB */
-
 };
 
 struct web_client {
     unsigned long long id;
 
-    WEB_CLIENT_FLAGS flags;         // status flags for the client
-    WEB_CLIENT_MODE mode;           // the operational mode of the client
-    WEB_CLIENT_ACL acl;             // the access list of the client
-    int port_acl;                   // the operations permitted on the port the client connected to
-    char *auth_bearer_token;        // the Bearer auth token (if sent)
+    WEB_CLIENT_FLAGS flags;  // status flags for the client
+    WEB_CLIENT_MODE mode;    // the operational mode of the client
+    WEB_CLIENT_ACL acl;      // the access list of the client
+    int port_acl;            // the operations permitted on the port the client connected to
+    char *auth_bearer_token; // the Bearer auth token (if sent)
     size_t header_parse_tries;
     size_t header_parse_last_size;
 
-    int tcp_cork;                   // 1 = we have a cork on the socket
+    int tcp_cork; // 1 = we have a cork on the socket
 
     int ifd;
     int ofd;
 
-    char client_ip[INET6_ADDRSTRLEN];   // Defined buffer sizes include null-terminators
+    char client_ip[INET6_ADDRSTRLEN]; // Defined buffer sizes include null-terminators
     char client_port[NI_MAXSERV];
     char server_host[NI_MAXHOST];
     char client_host[NI_MAXHOST];
+    char forwarded_host[NI_MAXHOST]; //Used with proxy
 
-    char decoded_url[NETDATA_WEB_REQUEST_URL_SIZE + 1];  // we decode the URL in this buffer
-    char decoded_query_string[NETDATA_WEB_REQUEST_URL_SIZE + 1];  // we decode the Query String in this buffer
-    char last_url[NETDATA_WEB_REQUEST_URL_SIZE+1];       // we keep a copy of the decoded URL here
+    char decoded_url[NETDATA_WEB_REQUEST_URL_SIZE + 1];          // we decode the URL in this buffer
+    char decoded_query_string[NETDATA_WEB_REQUEST_URL_SIZE + 1]; // we decode the Query String in this buffer
+    char last_url[NETDATA_WEB_REQUEST_URL_SIZE + 1];             // we keep a copy of the decoded URL here
     size_t url_path_length;
-    char separator; // This value can be either '?' or 'f'
+    char separator;        // This value can be either '?' or 'f'
     char *url_search_path; //A pointer to the search path sent by the client
 
     struct timeval tv_in, tv_ready;
 
-    char cookie1[NETDATA_WEB_REQUEST_COOKIE_SIZE+1];
-    char cookie2[NETDATA_WEB_REQUEST_COOKIE_SIZE+1];
-    char origin[NETDATA_WEB_REQUEST_ORIGIN_HEADER_SIZE+1];
+    char cookie1[NETDATA_WEB_REQUEST_COOKIE_SIZE + 1];
+    char cookie2[NETDATA_WEB_REQUEST_COOKIE_SIZE + 1];
+    char origin[NETDATA_WEB_REQUEST_ORIGIN_HEADER_SIZE + 1];
     char *user_agent;
 
     struct response response;
@@ -179,22 +179,21 @@ struct web_client {
     size_t stats_sent_bytes;
 
     // cache of web_client allocations
-    struct web_client *prev;        // maintain a linked list of web clients
-    struct web_client *next;        // for the web servers that need it
+    struct web_client *prev; // maintain a linked list of web clients
+    struct web_client *next; // for the web servers that need it
 
     // MULTI-THREADED WEB SERVER MEMBERS
-    netdata_thread_t thread;        // the thread servicing this client
-    volatile int running;           // 1 when the thread runs, 0 otherwise
+    netdata_thread_t thread; // the thread servicing this client
+    volatile int running;    // 1 when the thread runs, 0 otherwise
 
     // STATIC-THREADED WEB SERVER MEMBERS
-    size_t pollinfo_slot;           // POLLINFO slot of the web client
-    size_t pollinfo_filecopy_slot;  // POLLINFO slot of the file read
+    size_t pollinfo_slot;          // POLLINFO slot of the web client
+    size_t pollinfo_filecopy_slot; // POLLINFO slot of the file read
 #ifdef ENABLE_HTTPS
     struct netdata_ssl ssl;
 #endif
 };
 
-
 extern uid_t web_files_uid(void);
 extern uid_t web_files_gid(void);
 
@@ -211,6 +210,8 @@ extern void buffer_data_options2string(BUFFER *wb, uint32_t options);
 
 extern int mysendfile(struct web_client *w, char *filename);
 
+extern void web_client_build_http_header(struct web_client *w);
+
 #include "daemon/common.h"
 
 #endif