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Diffstat (limited to 'include/haproxy/http_htx-t.h')
| -rw-r--r-- | include/haproxy/http_htx-t.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/include/haproxy/http_htx-t.h b/include/haproxy/http_htx-t.h new file mode 100644 index 0000000..8051925 --- /dev/null +++ b/include/haproxy/http_htx-t.h @@ -0,0 +1,95 @@ +/* + * include/haproxy/http_htx-t.h + * This file defines everything related to HTTP manipulation using the internal + * representation. + * + * Copyright (C) 2018 HAProxy Technologies, Christopher Faulet <cfaulet@haproxy.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation, version 2.1 + * exclusively. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _HAPROXY_HTTP_HTX_T_H +#define _HAPROXY_HTTP_HTX_T_H + +#include <import/ebistree.h> +#include <import/ist.h> + +#include <haproxy/buf-t.h> +#include <haproxy/http-t.h> +#include <haproxy/htx-t.h> + +/* Context used to find/remove an HTTP header. */ +struct http_hdr_ctx { + struct htx_blk *blk; + struct ist value; + uint16_t lws_before; + uint16_t lws_after; +}; + + +/* Structure used to build the header list of an HTTP reply */ +struct http_reply_hdr { + struct ist name; /* the header name */ + struct list value; /* the log-format string value */ + struct list list; /* header chained list */ +}; + +#define HTTP_REPLY_EMPTY 0x00 /* the reply has no payload */ +#define HTTP_REPLY_ERRMSG 0x01 /* the reply is an error message (may be NULL) */ +#define HTTP_REPLY_ERRFILES 0x02 /* the reply references an http-errors section */ +#define HTTP_REPLY_RAW 0x03 /* the reply use a raw payload */ +#define HTTP_REPLY_LOGFMT 0x04 /* the reply use a log-format payload */ +#define HTTP_REPLY_INDIRECT 0x05 /* the reply references another http-reply (may be NULL) */ + +/* Uses by HAProxy to generate internal responses */ +struct http_reply { + unsigned char type; /* HTTP_REPLY_* */ + int status; /* The response status code */ + char *ctype; /* The response content-type, may be NULL */ + struct list hdrs; /* A list of http_reply_hdr */ + union { + struct list fmt; /* A log-format string (type = HTTP_REPLY_LOGFMT) */ + struct buffer obj; /* A raw string (type = HTTP_REPLY_RAW) */ + struct buffer *errmsg; /* The error message to use as response (type = HTTP_REPLY_ERRMSG). + * may be NULL, if so rely on the proxy error messages */ + struct http_reply *reply; /* The HTTP reply to use as response (type = HTTP_REPLY_INDIRECT) */ + char *http_errors; /* The http-errors section to use (type = HTTP_REPLY_ERRFILES). + * Should be resolved during post-check */ + } body; + struct list list; /* next http_reply in the global list. + * Only used for replies defined in a proxy section */ +}; + +/* A custom HTTP error message load from a row file and converted in HTX. The + * node key is the file path. + */ +struct http_error_msg { + struct buffer msg; + struct ebpt_node node; +}; + +/* http-errors section and parameters. */ +struct http_errors { + char *id; /* unique identifier */ + struct { + char *file; /* file where the section appears */ + int line; /* line where the section appears */ + } conf; /* config information */ + + struct http_reply *replies[HTTP_ERR_SIZE]; /* HTTP replies for known errors */ + struct list list; /* http-errors list */ +}; + +#endif /* _HAPROXY_HTTP_HTX_T_H */ |