1 #ifndef HEADER_CURL_HTTP_H
2 #define HEADER_CURL_HTTP_H
3 /***************************************************************************
5 * Project ___| | | | _ \| |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
10 * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at http://curl.haxx.se/docs/copyright.html.
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
23 ***************************************************************************/
24 #ifndef CURL_DISABLE_HTTP
26 extern const struct Curl_handler Curl_handler_http;
29 extern const struct Curl_handler Curl_handler_https;
32 bool Curl_compareheader(const char *headerline, /* line to check */
33 const char *header, /* header keyword _with_ colon */
34 const char *content); /* content string to find */
36 char *Curl_checkheaders(struct SessionHandle *data, const char *thisheader);
38 /* ------------------------------------------------------------------------- */
40 * The add_buffer series of functions are used to build one large memory chunk
41 * from repeated function invokes. Used so that the entire HTTP request can
44 struct Curl_send_buffer {
49 typedef struct Curl_send_buffer Curl_send_buffer;
51 Curl_send_buffer *Curl_add_buffer_init(void);
52 CURLcode Curl_add_bufferf(Curl_send_buffer *in, const char *fmt, ...);
53 CURLcode Curl_add_buffer(Curl_send_buffer *in, const void *inptr, size_t size);
54 CURLcode Curl_add_buffer_send(Curl_send_buffer *in,
55 struct connectdata *conn,
57 size_t included_body_bytes,
60 CURLcode Curl_add_timecondition(struct SessionHandle *data,
61 Curl_send_buffer *buf);
62 CURLcode Curl_add_custom_headers(struct connectdata *conn,
63 Curl_send_buffer *req_buffer);
65 /* protocol-specific functions set up to be called by the main engine */
66 CURLcode Curl_http(struct connectdata *conn, bool *done);
67 CURLcode Curl_http_done(struct connectdata *, CURLcode, bool premature);
68 CURLcode Curl_http_connect(struct connectdata *conn, bool *done);
70 /* The following functions are defined in http_chunks.c */
71 void Curl_httpchunk_init(struct connectdata *conn);
72 CHUNKcode Curl_httpchunk_read(struct connectdata *conn, char *datap,
73 ssize_t length, ssize_t *wrote);
75 /* These functions are in http.c */
76 void Curl_http_auth_stage(struct SessionHandle *data, int stage);
77 CURLcode Curl_http_input_auth(struct connectdata *conn,
78 int httpcode, const char *header);
79 CURLcode Curl_http_auth_act(struct connectdata *conn);
80 CURLcode Curl_http_perhapsrewind(struct connectdata *conn);
82 /* If only the PICKNONE bit is set, there has been a round-trip and we
83 selected to use no auth at all. Ie, we actively select no auth, as opposed
84 to not having one selected. The other CURLAUTH_* defines are present in the
85 public curl/curl.h header. */
86 #define CURLAUTH_PICKNONE (1<<30) /* don't use auth */
88 /* MAX_INITIAL_POST_SIZE indicates the number of bytes that will make the POST
89 data get included in the initial data chunk sent to the server. If the
90 data is larger than this, it will automatically get split up in multiple
93 This value used to be fairly big (100K), but we must take into account that
94 if the server rejects the POST due for authentication reasons, this data
95 will always be uncondtionally sent and thus it may not be larger than can
96 always be afforded to send twice.
98 It must not be greater than 64K to work on VMS.
100 #ifndef MAX_INITIAL_POST_SIZE
101 #define MAX_INITIAL_POST_SIZE (64*1024)
104 #ifndef TINY_INITIAL_POST_SIZE
105 #define TINY_INITIAL_POST_SIZE 1024
108 #endif /* CURL_DISABLE_HTTP */
110 /****************************************************************************
112 ***************************************************************************/
114 struct FormData *sendit;
115 curl_off_t postsize; /* off_t to handle large file sizes */
116 const char *postdata;
118 const char *p_pragma; /* Pragma: string */
119 const char *p_accept; /* Accept: string */
120 curl_off_t readbytecount;
121 curl_off_t writebytecount;
123 /* For FORM posting */
127 curl_read_callback fread_func; /* backup storage for fread pointer */
128 void *fread_in; /* backup storage for fread_in pointer */
129 const char *postdata;
134 HTTPSEND_NADA, /* init */
135 HTTPSEND_REQUEST, /* sending a request */
136 HTTPSEND_BODY, /* sending body */
137 HTTPSEND_LAST /* never use this */
140 void *send_buffer; /* used if the request couldn't be sent in one chunk,
141 points to an allocated send_buffer struct */
144 CURLcode Curl_http_readwrite_headers(struct SessionHandle *data,
145 struct connectdata *conn,
150 * Curl_http_output_auth() setups the authentication headers for the
151 * host/proxy and the correct authentication
152 * method. conn->data->state.authdone is set to TRUE when authentication is
155 * @param conn all information about the current connection
156 * @param request pointer to the request keyword
157 * @param path pointer to the requested path
158 * @param proxytunnel boolean if this is the request setting up a "proxy
164 Curl_http_output_auth(struct connectdata *conn,
167 bool proxytunnel); /* TRUE if this is the request setting
168 up the proxy tunnel */
170 #endif /* HEADER_CURL_HTTP_H */