1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
#ifndef HEADER_CURL_DYNHDS_H
#define HEADER_CURL_DYNHDS_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "curl_setup.h"
#include <curl/curl.h>
#include "dynbuf.h"
struct dynbuf;
/**
* A single header entry.
* `name` and `value` are non-NULL and always NUL terminated.
*/
struct dynhds_entry {
char *name;
char *value;
size_t namelen;
size_t valuelen;
};
struct dynhds {
struct dynhds_entry **hds;
size_t hds_len; /* number of entries in hds */
size_t hds_allc; /* size of hds allocation */
size_t max_entries; /* size limit number of entries */
size_t strs_len; /* length of all strings */
size_t max_strs_size; /* max length of all strings */
int opts;
};
#define DYNHDS_OPT_NONE (0)
#define DYNHDS_OPT_LOWERCASE (1 << 0)
/**
* Init for use on first time or after a reset.
* Allow `max_entries` headers to be added, 0 for unlimited.
* Allow size of all name and values added to not exceed `max_strs_size``
*/
void Curl_dynhds_init(struct dynhds *dynhds, size_t max_entries,
size_t max_strs_size);
/**
* Frees all data held in `dynhds`, but not the struct itself.
*/
void Curl_dynhds_free(struct dynhds *dynhds);
/**
* Reset `dyndns` to the initial init state. May keep allocations
* around.
*/
void Curl_dynhds_reset(struct dynhds *dynhds);
/**
* Return the number of header entries.
*/
size_t Curl_dynhds_count(struct dynhds *dynhds);
/**
* Set the options to use, replacing any existing ones.
* This will not have an effect on already existing headers.
*/
void Curl_dynhds_set_opts(struct dynhds *dynhds, int opts);
/**
* Return the n-th header entry or NULL if it does not exist.
*/
struct dynhds_entry *Curl_dynhds_getn(struct dynhds *dynhds, size_t n);
/**
* Return the 1st header entry of the name or NULL if none exists.
*/
struct dynhds_entry *Curl_dynhds_get(struct dynhds *dynhds,
const char *name, size_t namelen);
struct dynhds_entry *Curl_dynhds_cget(struct dynhds *dynhds, const char *name);
#ifdef UNITTESTS
/* used by unit2602.c */
/**
* Return TRUE iff one or more headers with the given name exist.
*/
bool Curl_dynhds_contains(struct dynhds *dynhds,
const char *name, size_t namelen);
bool Curl_dynhds_ccontains(struct dynhds *dynhds, const char *name);
/**
* Return how often the given name appears in `dynhds`.
* Names are case-insensitive.
*/
size_t Curl_dynhds_count_name(struct dynhds *dynhds,
const char *name, size_t namelen);
/**
* Return how often the given 0-terminated name appears in `dynhds`.
* Names are case-insensitive.
*/
size_t Curl_dynhds_ccount_name(struct dynhds *dynhds, const char *name);
/**
* Remove all entries with the given name.
* Returns number of entries removed.
*/
size_t Curl_dynhds_remove(struct dynhds *dynhds,
const char *name, size_t namelen);
size_t Curl_dynhds_cremove(struct dynhds *dynhds, const char *name);
/**
* Set the give header name and value, replacing any entries with
* the same name. The header is added at the end of all (remaining)
* entries.
*/
CURLcode Curl_dynhds_set(struct dynhds *dynhds,
const char *name, size_t namelen,
const char *value, size_t valuelen);
#endif
CURLcode Curl_dynhds_cset(struct dynhds *dynhds,
const char *name, const char *value);
/**
* Add a header, name + value, to `dynhds` at the end. Does *not*
* check for duplicate names.
*/
CURLcode Curl_dynhds_add(struct dynhds *dynhds,
const char *name, size_t namelen,
const char *value, size_t valuelen);
/**
* Add a header, c-string name + value, to `dynhds` at the end.
*/
CURLcode Curl_dynhds_cadd(struct dynhds *dynhds,
const char *name, const char *value);
/**
* Add a single header from an HTTP/1.1 formatted line at the end. Line
* may contain a delimiting \r\n or just \n. Any characters after
* that will be ignored.
*/
CURLcode Curl_dynhds_h1_cadd_line(struct dynhds *dynhds, const char *line);
/**
* Add a single header from an HTTP/1.1 formatted line at the end. Line
* may contain a delimiting \r\n or just \n. Any characters after
* that will be ignored.
*/
CURLcode Curl_dynhds_h1_add_line(struct dynhds *dynhds,
const char *line, size_t line_len);
/**
* Add the headers to the given `dynbuf` in HTTP/1.1 format with
* cr+lf line endings. Will NOT output a last empty line.
*/
CURLcode Curl_dynhds_h1_dprint(struct dynhds *dynhds, struct dynbuf *dbuf);
#ifdef USE_NGHTTP2
#include <stdint.h>
#include <nghttp2/nghttp2.h>
nghttp2_nv *Curl_dynhds_to_nva(struct dynhds *dynhds, size_t *pcount);
#endif /* USE_NGHTTP2 */
#endif /* HEADER_CURL_DYNHDS_H */
|
