Daniel Lee
Initial setup for TheKsystem.
Dependencies: mbed-http HTS221
Revision 0:85fdc69bc10c, committed 2017-02-15
- Comitter:
- Jan Jongboom
- Date:
- Wed Feb 15 21:57:31 2017 +0100
- Child:
- 1:3bff14db67c7
- Commit message:
- Initial commit
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.gitignore Wed Feb 15 21:57:31 2017 +0100 @@ -0,0 +1,6 @@ +.mbed +.vscode/ +mbed_settings.* +BUILD/ +.build/ +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.hgignore Wed Feb 15 21:57:31 2017 +0100 @@ -0,0 +1,9 @@ +.mbed +.vscode/ +mbed_settings.* +BUILD/ +.build/ +mbed-os/ +easy-connect/ +.git/ +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LICENSE Wed Feb 15 21:57:31 2017 +0100 @@ -0,0 +1,191 @@ +Apache License +Version 2.0, January 2004 +http://www.apache.org/licenses/ + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + +1. Definitions. + +"License" shall mean the terms and conditions for use, reproduction, and +distribution as defined by Sections 1 through 9 of this document. + +"Licensor" shall mean the copyright owner or entity authorized by the copyright +owner that is granting the License. + +"Legal Entity" shall mean the union of the acting entity and all other entities +that control, are controlled by, or are under common control with that entity. +For the purposes of this definition, "control" means (i) the power, direct or +indirect, to cause the direction or management of such entity, whether by +contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the +outstanding shares, or (iii) beneficial ownership of such entity. + +"You" (or "Your") shall mean an individual or Legal Entity exercising +permissions granted by this License. + +"Source" form shall mean the preferred form for making modifications, including +but not limited to software source code, documentation source, and configuration +files. + +"Object" form shall mean any form resulting from mechanical transformation or +translation of a Source form, including but not limited to compiled object code, +generated documentation, and conversions to other media types. + +"Work" shall mean the work of authorship, whether in Source or Object form, made +available under the License, as indicated by a copyright notice that is included +in or attached to the work (an example is provided in the Appendix below). + +"Derivative Works" shall mean any work, whether in Source or Object form, that +is based on (or derived from) the Work and for which the editorial revisions, +annotations, elaborations, or other modifications represent, as a whole, an +original work of authorship. For the purposes of this License, Derivative Works +shall not include works that remain separable from, or merely link (or bind by +name) to the interfaces of, the Work and Derivative Works thereof. + +"Contribution" shall mean any work of authorship, including the original version +of the Work and any modifications or additions to that Work or Derivative Works +thereof, that is intentionally submitted to Licensor for inclusion in the Work +by the copyright owner or by an individual or Legal Entity authorized to submit +on behalf of the copyright owner. For the purposes of this definition, +"submitted" means any form of electronic, verbal, or written communication sent +to the Licensor or its representatives, including but not limited to +communication on electronic mailing lists, source code control systems, and +issue tracking systems that are managed by, or on behalf of, the Licensor for +the purpose of discussing and improving the Work, but excluding communication +that is conspicuously marked or otherwise designated in writing by the copyright +owner as "Not a Contribution." + +"Contributor" shall mean Licensor and any individual or Legal Entity on behalf +of whom a Contribution has been received by Licensor and subsequently +incorporated within the Work. + +2. Grant of Copyright License. + +Subject to the terms and conditions of this License, each Contributor hereby +grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, +irrevocable copyright license to reproduce, prepare Derivative Works of, +publicly display, publicly perform, sublicense, and distribute the Work and such +Derivative Works in Source or Object form. + +3. Grant of Patent License. + +Subject to the terms and conditions of this License, each Contributor hereby +grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, +irrevocable (except as stated in this section) patent license to make, have +made, use, offer to sell, sell, import, and otherwise transfer the Work, where +such license applies only to those patent claims licensable by such Contributor +that are necessarily infringed by their Contribution(s) alone or by combination +of their Contribution(s) with the Work to which such Contribution(s) was +submitted. If You institute patent litigation against any entity (including a +cross-claim or counterclaim in a lawsuit) alleging that the Work or a +Contribution incorporated within the Work constitutes direct or contributory +patent infringement, then any patent licenses granted to You under this License +for that Work shall terminate as of the date such litigation is filed. + +4. Redistribution. + +You may reproduce and distribute copies of the Work or Derivative Works thereof +in any medium, with or without modifications, and in Source or Object form, +provided that You meet the following conditions: + +You must give any other recipients of the Work or Derivative Works a copy of +this License; and +You must cause any modified files to carry prominent notices stating that You +changed the files; and +You must retain, in the Source form of any Derivative Works that You distribute, +all copyright, patent, trademark, and attribution notices from the Source form +of the Work, excluding those notices that do not pertain to any part of the +Derivative Works; and +If the Work includes a "NOTICE" text file as part of its distribution, then any +Derivative Works that You distribute must include a readable copy of the +attribution notices contained within such NOTICE file, excluding those notices +that do not pertain to any part of the Derivative Works, in at least one of the +following places: within a NOTICE text file distributed as part of the +Derivative Works; within the Source form or documentation, if provided along +with the Derivative Works; or, within a display generated by the Derivative +Works, if and wherever such third-party notices normally appear. The contents of +the NOTICE file are for informational purposes only and do not modify the +License. You may add Your own attribution notices within Derivative Works that +You distribute, alongside or as an addendum to the NOTICE text from the Work, +provided that such additional attribution notices cannot be construed as +modifying the License. +You may add Your own copyright statement to Your modifications and may provide +additional or different license terms and conditions for use, reproduction, or +distribution of Your modifications, or for any such Derivative Works as a whole, +provided Your use, reproduction, and distribution of the Work otherwise complies +with the conditions stated in this License. + +5. Submission of Contributions. + +Unless You explicitly state otherwise, any Contribution intentionally submitted +for inclusion in the Work by You to the Licensor shall be under the terms and +conditions of this License, without any additional terms or conditions. +Notwithstanding the above, nothing herein shall supersede or modify the terms of +any separate license agreement you may have executed with Licensor regarding +such Contributions. + +6. Trademarks. + +This License does not grant permission to use the trade names, trademarks, +service marks, or product names of the Licensor, except as required for +reasonable and customary use in describing the origin of the Work and +reproducing the content of the NOTICE file. + +7. Disclaimer of Warranty. + +Unless required by applicable law or agreed to in writing, Licensor provides the +Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, +including, without limitation, any warranties or conditions of TITLE, +NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are +solely responsible for determining the appropriateness of using or +redistributing the Work and assume any risks associated with Your exercise of +permissions under this License. + +8. Limitation of Liability. + +In no event and under no legal theory, whether in tort (including negligence), +contract, or otherwise, unless required by applicable law (such as deliberate +and grossly negligent acts) or agreed to in writing, shall any Contributor be +liable to You for damages, including any direct, indirect, special, incidental, +or consequential damages of any character arising as a result of this License or +out of the use or inability to use the Work (including but not limited to +damages for loss of goodwill, work stoppage, computer failure or malfunction, or +any and all other commercial damages or losses), even if such Contributor has +been advised of the possibility of such damages. + +9. Accepting Warranty or Additional Liability. + +While redistributing the Work or Derivative Works thereof, You may choose to +offer, and charge a fee for, acceptance of support, warranty, indemnity, or +other liability obligations and/or rights consistent with this License. However, +in accepting such obligations, You may act only on Your own behalf and on Your +sole responsibility, not on behalf of any other Contributor, and only if You +agree to indemnify, defend, and hold each Contributor harmless for any liability +incurred by, or claims asserted against, such Contributor by reason of your +accepting any such warranty or additional liability. + +--- + +http_parser.c is based on src/http/ngx_http_parse.c from NGINX copyright +Igor Sysoev. + +Additional changes are licensed under the same terms as NGINX and +copyright Joyent, Inc. and other Node contributors. All rights reserved. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to +deal in the Software without restriction, including without limitation the +rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +sell copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS +IN THE SOFTWARE.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/README.md Wed Feb 15 21:57:31 2017 +0100 @@ -0,0 +1,29 @@ +# mbed-os-example-http(s) + +This application demonstrates how to make HTTP and HTTPS requests and parse the response from mbed OS 5. + +It consists of two demo's, which you can select in ``source/select-demo.h``. + +* HTTP demo + * Does a GET request to [http://httpbin.org/status/418](http://httpbin.org/status/418). + * Does a POST request to [http://httpbin.org/post](http://httpbin.org/post). +* HTTPS demo + * Does a GET request to [https://developer.mbed.org/media/uploads/mbed_official/hello.txt](https://developer.mbed.org/media/uploads/mbed_official/hello.txt). + +Response parsing is done through [nodejs/http-parser](https://github.com/nodejs/http-parser). + +## To build + +1. Open ``mbed_app.json`` and change the `network-interface` option to your connectivity method ([more info](https://github.com/ARMmbed/easy-connect)). +2. Build the project in the online compiler or using mbed CLI. +3. Flash the project to your development board. +4. Attach a serial monitor to your board to see the debug messages. + +## Entropy (or lack thereof) + +On all platforms **except** the FRDM-K64F and FRDM-K22F the library is compiled without TLS entropy sources. This means that your code is inherently unsafe and should not be deployed to any production systems. To enable entropy, remove the `MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES` and `MBEDTLS_TEST_NULL_ENTROPY` macros from mbed_app.json. + +## Tested on + +* K64F with Ethernet. +* NUCLEO_F411RE with ESP8266.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/easy-connect.lib Wed Feb 15 21:57:31 2017 +0100 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/easy-connect/#a913964341394430cd3997c6f2950f93ba1d75c8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/http_parser/LICENSE Wed Feb 15 21:57:31 2017 +0100 @@ -0,0 +1,23 @@ +http_parser.c is based on src/http/ngx_http_parse.c from NGINX copyright +Igor Sysoev. + +Additional changes are licensed under the same terms as NGINX and +copyright Joyent, Inc. and other Node contributors. All rights reserved. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to +deal in the Software without restriction, including without limitation the +rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +sell copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS +IN THE SOFTWARE.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/http_parser/http_parser.c Wed Feb 15 21:57:31 2017 +0100
@@ -0,0 +1,2470 @@
+/* Based on src/http/ngx_http_parse.c from NGINX copyright Igor Sysoev
+ *
+ * Additional changes are licensed under the same terms as NGINX and
+ * copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+#include "http_parser.h"
+#include <assert.h>
+#include <stddef.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
+
+#ifndef ULLONG_MAX
+# define ULLONG_MAX ((uint64_t) -1) /* 2^64-1 */
+#endif
+
+#ifndef MIN
+# define MIN(a,b) ((a) < (b) ? (a) : (b))
+#endif
+
+#ifndef ARRAY_SIZE
+# define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+#endif
+
+#ifndef BIT_AT
+# define BIT_AT(a, i) \
+ (!!((unsigned int) (a)[(unsigned int) (i) >> 3] & \
+ (1 << ((unsigned int) (i) & 7))))
+#endif
+
+#ifndef ELEM_AT
+# define ELEM_AT(a, i, v) ((unsigned int) (i) < ARRAY_SIZE(a) ? (a)[(i)] : (v))
+#endif
+
+#define SET_ERRNO(e) \
+do { \
+ parser->http_errno = (e); \
+} while(0)
+
+#define CURRENT_STATE() p_state
+#define UPDATE_STATE(V) p_state = (enum state) (V);
+#define RETURN(V) \
+do { \
+ parser->state = CURRENT_STATE(); \
+ return (V); \
+} while (0);
+#define REEXECUTE() \
+ goto reexecute; \
+
+
+#ifdef __GNUC__
+# define LIKELY(X) __builtin_expect(!!(X), 1)
+# define UNLIKELY(X) __builtin_expect(!!(X), 0)
+#else
+# define LIKELY(X) (X)
+# define UNLIKELY(X) (X)
+#endif
+
+
+/* Run the notify callback FOR, returning ER if it fails */
+#define CALLBACK_NOTIFY_(FOR, ER) \
+do { \
+ assert(HTTP_PARSER_ERRNO(parser) == HPE_OK); \
+ \
+ if (LIKELY(settings->on_##FOR)) { \
+ parser->state = CURRENT_STATE(); \
+ if (UNLIKELY(0 != settings->on_##FOR(parser))) { \
+ SET_ERRNO(HPE_CB_##FOR); \
+ } \
+ UPDATE_STATE(parser->state); \
+ \
+ /* We either errored above or got paused; get out */ \
+ if (UNLIKELY(HTTP_PARSER_ERRNO(parser) != HPE_OK)) { \
+ return (ER); \
+ } \
+ } \
+} while (0)
+
+/* Run the notify callback FOR and consume the current byte */
+#define CALLBACK_NOTIFY(FOR) CALLBACK_NOTIFY_(FOR, p - data + 1)
+
+/* Run the notify callback FOR and don't consume the current byte */
+#define CALLBACK_NOTIFY_NOADVANCE(FOR) CALLBACK_NOTIFY_(FOR, p - data)
+
+/* Run data callback FOR with LEN bytes, returning ER if it fails */
+#define CALLBACK_DATA_(FOR, LEN, ER) \
+do { \
+ assert(HTTP_PARSER_ERRNO(parser) == HPE_OK); \
+ \
+ if (FOR##_mark) { \
+ if (LIKELY(settings->on_##FOR)) { \
+ parser->state = CURRENT_STATE(); \
+ if (UNLIKELY(0 != \
+ settings->on_##FOR(parser, FOR##_mark, (LEN)))) { \
+ SET_ERRNO(HPE_CB_##FOR); \
+ } \
+ UPDATE_STATE(parser->state); \
+ \
+ /* We either errored above or got paused; get out */ \
+ if (UNLIKELY(HTTP_PARSER_ERRNO(parser) != HPE_OK)) { \
+ return (ER); \
+ } \
+ } \
+ FOR##_mark = NULL; \
+ } \
+} while (0)
+
+/* Run the data callback FOR and consume the current byte */
+#define CALLBACK_DATA(FOR) \
+ CALLBACK_DATA_(FOR, p - FOR##_mark, p - data + 1)
+
+/* Run the data callback FOR and don't consume the current byte */
+#define CALLBACK_DATA_NOADVANCE(FOR) \
+ CALLBACK_DATA_(FOR, p - FOR##_mark, p - data)
+
+/* Set the mark FOR; non-destructive if mark is already set */
+#define MARK(FOR) \
+do { \
+ if (!FOR##_mark) { \
+ FOR##_mark = p; \
+ } \
+} while (0)
+
+/* Don't allow the total size of the HTTP headers (including the status
+ * line) to exceed HTTP_MAX_HEADER_SIZE. This check is here to protect
+ * embedders against denial-of-service attacks where the attacker feeds
+ * us a never-ending header that the embedder keeps buffering.
+ *
+ * This check is arguably the responsibility of embedders but we're doing
+ * it on the embedder's behalf because most won't bother and this way we
+ * make the web a little safer. HTTP_MAX_HEADER_SIZE is still far bigger
+ * than any reasonable request or response so this should never affect
+ * day-to-day operation.
+ */
+#define COUNT_HEADER_SIZE(V) \
+do { \
+ parser->nread += (V); \
+ if (UNLIKELY(parser->nread > (HTTP_MAX_HEADER_SIZE))) { \
+ SET_ERRNO(HPE_HEADER_OVERFLOW); \
+ goto error; \
+ } \
+} while (0)
+
+
+#define PROXY_CONNECTION "proxy-connection"
+#define CONNECTION "connection"
+#define CONTENT_LENGTH "content-length"
+#define TRANSFER_ENCODING "transfer-encoding"
+#define UPGRADE "upgrade"
+#define CHUNKED "chunked"
+#define KEEP_ALIVE "keep-alive"
+#define CLOSE "close"
+
+
+static const char *method_strings[] =
+ {
+#define XX(num, name, string) #string,
+ HTTP_METHOD_MAP(XX)
+#undef XX
+ };
+
+
+/* Tokens as defined by rfc 2616. Also lowercases them.
+ * token = 1*<any CHAR except CTLs or separators>
+ * separators = "(" | ")" | "<" | ">" | "@"
+ * | "," | ";" | ":" | "\" | <">
+ * | "/" | "[" | "]" | "?" | "="
+ * | "{" | "}" | SP | HT
+ */
+static const char tokens[256] = {
+/* 0 nul 1 soh 2 stx 3 etx 4 eot 5 enq 6 ack 7 bel */
+ 0, 0, 0, 0, 0, 0, 0, 0,
+/* 8 bs 9 ht 10 nl 11 vt 12 np 13 cr 14 so 15 si */
+ 0, 0, 0, 0, 0, 0, 0, 0,
+/* 16 dle 17 dc1 18 dc2 19 dc3 20 dc4 21 nak 22 syn 23 etb */
+ 0, 0, 0, 0, 0, 0, 0, 0,
+/* 24 can 25 em 26 sub 27 esc 28 fs 29 gs 30 rs 31 us */
+ 0, 0, 0, 0, 0, 0, 0, 0,
+/* 32 sp 33 ! 34 " 35 # 36 $ 37 % 38 & 39 ' */
+ 0, '!', 0, '#', '$', '%', '&', '\'',
+/* 40 ( 41 ) 42 * 43 + 44 , 45 - 46 . 47 / */
+ 0, 0, '*', '+', 0, '-', '.', 0,
+/* 48 0 49 1 50 2 51 3 52 4 53 5 54 6 55 7 */
+ '0', '1', '2', '3', '4', '5', '6', '7',
+/* 56 8 57 9 58 : 59 ; 60 < 61 = 62 > 63 ? */
+ '8', '9', 0, 0, 0, 0, 0, 0,
+/* 64 @ 65 A 66 B 67 C 68 D 69 E 70 F 71 G */
+ 0, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
+/* 72 H 73 I 74 J 75 K 76 L 77 M 78 N 79 O */
+ 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
+/* 80 P 81 Q 82 R 83 S 84 T 85 U 86 V 87 W */
+ 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
+/* 88 X 89 Y 90 Z 91 [ 92 \ 93 ] 94 ^ 95 _ */
+ 'x', 'y', 'z', 0, 0, 0, '^', '_',
+/* 96 ` 97 a 98 b 99 c 100 d 101 e 102 f 103 g */
+ '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
+/* 104 h 105 i 106 j 107 k 108 l 109 m 110 n 111 o */
+ 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
+/* 112 p 113 q 114 r 115 s 116 t 117 u 118 v 119 w */
+ 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
+/* 120 x 121 y 122 z 123 { 124 | 125 } 126 ~ 127 del */
+ 'x', 'y', 'z', 0, '|', 0, '~', 0 };
+
+
+static const int8_t unhex[256] =
+ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
+ ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
+ ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
+ , 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,-1,-1,-1,-1,-1,-1
+ ,-1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1
+ ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
+ ,-1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1
+ ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
+ };
+
+
+#if HTTP_PARSER_STRICT
+# define T(v) 0
+#else
+# define T(v) v
+#endif
+
+
+static const uint8_t normal_url_char[32] = {
+/* 0 nul 1 soh 2 stx 3 etx 4 eot 5 enq 6 ack 7 bel */
+ 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,
+/* 8 bs 9 ht 10 nl 11 vt 12 np 13 cr 14 so 15 si */
+ 0 | T(2) | 0 | 0 | T(16) | 0 | 0 | 0,
+/* 16 dle 17 dc1 18 dc2 19 dc3 20 dc4 21 nak 22 syn 23 etb */
+ 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,
+/* 24 can 25 em 26 sub 27 esc 28 fs 29 gs 30 rs 31 us */
+ 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,
+/* 32 sp 33 ! 34 " 35 # 36 $ 37 % 38 & 39 ' */
+ 0 | 2 | 4 | 0 | 16 | 32 | 64 | 128,
+/* 40 ( 41 ) 42 * 43 + 44 , 45 - 46 . 47 / */
+ 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
+/* 48 0 49 1 50 2 51 3 52 4 53 5 54 6 55 7 */
+ 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
+/* 56 8 57 9 58 : 59 ; 60 < 61 = 62 > 63 ? */
+ 1 | 2 | 4 | 8 | 16 | 32 | 64 | 0,
+/* 64 @ 65 A 66 B 67 C 68 D 69 E 70 F 71 G */
+ 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
+/* 72 H 73 I 74 J 75 K 76 L 77 M 78 N 79 O */
+ 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
+/* 80 P 81 Q 82 R 83 S 84 T 85 U 86 V 87 W */
+ 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
+/* 88 X 89 Y 90 Z 91 [ 92 \ 93 ] 94 ^ 95 _ */
+ 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
+/* 96 ` 97 a 98 b 99 c 100 d 101 e 102 f 103 g */
+ 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
+/* 104 h 105 i 106 j 107 k 108 l 109 m 110 n 111 o */
+ 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
+/* 112 p 113 q 114 r 115 s 116 t 117 u 118 v 119 w */
+ 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
+/* 120 x 121 y 122 z 123 { 124 | 125 } 126 ~ 127 del */
+ 1 | 2 | 4 | 8 | 16 | 32 | 64 | 0, };
+
+#undef T
+
+enum state
+ { s_dead = 1 /* important that this is > 0 */
+
+ , s_start_req_or_res
+ , s_res_or_resp_H
+ , s_start_res
+ , s_res_H
+ , s_res_HT
+ , s_res_HTT
+ , s_res_HTTP
+ , s_res_first_http_major
+ , s_res_http_major
+ , s_res_first_http_minor
+ , s_res_http_minor
+ , s_res_first_status_code
+ , s_res_status_code
+ , s_res_status_start
+ , s_res_status
+ , s_res_line_almost_done
+
+ , s_start_req
+
+ , s_req_method
+ , s_req_spaces_before_url
+ , s_req_schema
+ , s_req_schema_slash
+ , s_req_schema_slash_slash
+ , s_req_server_start
+ , s_req_server
+ , s_req_server_with_at
+ , s_req_path
+ , s_req_query_string_start
+ , s_req_query_string
+ , s_req_fragment_start
+ , s_req_fragment
+ , s_req_http_start
+ , s_req_http_H
+ , s_req_http_HT
+ , s_req_http_HTT
+ , s_req_http_HTTP
+ , s_req_first_http_major
+ , s_req_http_major
+ , s_req_first_http_minor
+ , s_req_http_minor
+ , s_req_line_almost_done
+
+ , s_header_field_start
+ , s_header_field
+ , s_header_value_discard_ws
+ , s_header_value_discard_ws_almost_done
+ , s_header_value_discard_lws
+ , s_header_value_start
+ , s_header_value
+ , s_header_value_lws
+
+ , s_header_almost_done
+
+ , s_chunk_size_start
+ , s_chunk_size
+ , s_chunk_parameters
+ , s_chunk_size_almost_done
+
+ , s_headers_almost_done
+ , s_headers_done
+
+ /* Important: 's_headers_done' must be the last 'header' state. All
+ * states beyond this must be 'body' states. It is used for overflow
+ * checking. See the PARSING_HEADER() macro.
+ */
+
+ , s_chunk_data
+ , s_chunk_data_almost_done
+ , s_chunk_data_done
+
+ , s_body_identity
+ , s_body_identity_eof
+
+ , s_message_done
+ };
+
+
+#define PARSING_HEADER(state) (state <= s_headers_done)
+
+
+enum header_states
+ { h_general = 0
+ , h_C
+ , h_CO
+ , h_CON
+
+ , h_matching_connection
+ , h_matching_proxy_connection
+ , h_matching_content_length
+ , h_matching_transfer_encoding
+ , h_matching_upgrade
+
+ , h_connection
+ , h_content_length
+ , h_transfer_encoding
+ , h_upgrade
+
+ , h_matching_transfer_encoding_chunked
+ , h_matching_connection_token_start
+ , h_matching_connection_keep_alive
+ , h_matching_connection_close
+ , h_matching_connection_upgrade
+ , h_matching_connection_token
+
+ , h_transfer_encoding_chunked
+ , h_connection_keep_alive
+ , h_connection_close
+ , h_connection_upgrade
+ };
+
+enum http_host_state
+ {
+ s_http_host_dead = 1
+ , s_http_userinfo_start
+ , s_http_userinfo
+ , s_http_host_start
+ , s_http_host_v6_start
+ , s_http_host
+ , s_http_host_v6
+ , s_http_host_v6_end
+ , s_http_host_v6_zone_start
+ , s_http_host_v6_zone
+ , s_http_host_port_start
+ , s_http_host_port
+};
+
+/* Macros for character classes; depends on strict-mode */
+#define CR '\r'
+#define LF '\n'
+#define LOWER(c) (unsigned char)(c | 0x20)
+#define IS_ALPHA(c) (LOWER(c) >= 'a' && LOWER(c) <= 'z')
+#define IS_NUM(c) ((c) >= '0' && (c) <= '9')
+#define IS_ALPHANUM(c) (IS_ALPHA(c) || IS_NUM(c))
+#define IS_HEX(c) (IS_NUM(c) || (LOWER(c) >= 'a' && LOWER(c) <= 'f'))
+#define IS_MARK(c) ((c) == '-' || (c) == '_' || (c) == '.' || \
+ (c) == '!' || (c) == '~' || (c) == '*' || (c) == '\'' || (c) == '(' || \
+ (c) == ')')
+#define IS_USERINFO_CHAR(c) (IS_ALPHANUM(c) || IS_MARK(c) || (c) == '%' || \
+ (c) == ';' || (c) == ':' || (c) == '&' || (c) == '=' || (c) == '+' || \
+ (c) == '$' || (c) == ',')
+
+#define STRICT_TOKEN(c) (tokens[(unsigned char)c])
+
+#if HTTP_PARSER_STRICT
+#define TOKEN(c) (tokens[(unsigned char)c])
+#define IS_URL_CHAR(c) (BIT_AT(normal_url_char, (unsigned char)c))
+#define IS_HOST_CHAR(c) (IS_ALPHANUM(c) || (c) == '.' || (c) == '-')
+#else
+#define TOKEN(c) ((c == ' ') ? ' ' : tokens[(unsigned char)c])
+#define IS_URL_CHAR(c) \
+ (BIT_AT(normal_url_char, (unsigned char)c) || ((c) & 0x80))
+#define IS_HOST_CHAR(c) \
+ (IS_ALPHANUM(c) || (c) == '.' || (c) == '-' || (c) == '_')
+#endif
+
+/**
+ * Verify that a char is a valid visible (printable) US-ASCII
+ * character or %x80-FF
+ **/
+#define IS_HEADER_CHAR(ch) \
+ (ch == CR || ch == LF || ch == 9 || ((unsigned char)ch > 31 && ch != 127))
+
+#define start_state (parser->type == HTTP_REQUEST ? s_start_req : s_start_res)
+
+
+#if HTTP_PARSER_STRICT
+# define STRICT_CHECK(cond) \
+do { \
+ if (cond) { \
+ SET_ERRNO(HPE_STRICT); \
+ goto error; \
+ } \
+} while (0)
+# define NEW_MESSAGE() (http_should_keep_alive(parser) ? start_state : s_dead)
+#else
+# define STRICT_CHECK(cond)
+# define NEW_MESSAGE() start_state
+#endif
+
+
+/* Map errno values to strings for human-readable output */
+#define HTTP_STRERROR_GEN(n, s) { "HPE_" #n, s },
+static struct {
+ const char *name;
+ const char *description;
+} http_strerror_tab[] = {
+ HTTP_ERRNO_MAP(HTTP_STRERROR_GEN)
+};
+#undef HTTP_STRERROR_GEN
+
+int http_message_needs_eof(const http_parser *parser);
+
+/* Our URL parser.
+ *
+ * This is designed to be shared by http_parser_execute() for URL validation,
+ * hence it has a state transition + byte-for-byte interface. In addition, it
+ * is meant to be embedded in http_parser_parse_url(), which does the dirty
+ * work of turning state transitions URL components for its API.
+ *
+ * This function should only be invoked with non-space characters. It is
+ * assumed that the caller cares about (and can detect) the transition between
+ * URL and non-URL states by looking for these.
+ */
+static enum state
+parse_url_char(enum state s, const char ch)
+{
+ if (ch == ' ' || ch == '\r' || ch == '\n') {
+ return s_dead;
+ }
+
+#if HTTP_PARSER_STRICT
+ if (ch == '\t' || ch == '\f') {
+ return s_dead;
+ }
+#endif
+
+ switch (s) {
+ case s_req_spaces_before_url:
+ /* Proxied requests are followed by scheme of an absolute URI (alpha).
+ * All methods except CONNECT are followed by '/' or '*'.
+ */
+
+ if (ch == '/' || ch == '*') {
+ return s_req_path;
+ }
+
+ if (IS_ALPHA(ch)) {
+ return s_req_schema;
+ }
+
+ break;
+
+ case s_req_schema:
+ if (IS_ALPHA(ch)) {
+ return s;
+ }
+
+ if (ch == ':') {
+ return s_req_schema_slash;
+ }
+
+ break;
+
+ case s_req_schema_slash:
+ if (ch == '/') {
+ return s_req_schema_slash_slash;
+ }
+
+ break;
+
+ case s_req_schema_slash_slash:
+ if (ch == '/') {
+ return s_req_server_start;
+ }
+
+ break;
+
+ case s_req_server_with_at:
+ if (ch == '@') {
+ return s_dead;
+ }
+
+ /* FALLTHROUGH */
+ case s_req_server_start:
+ case s_req_server:
+ if (ch == '/') {
+ return s_req_path;
+ }
+
+ if (ch == '?') {
+ return s_req_query_string_start;
+ }
+
+ if (ch == '@') {
+ return s_req_server_with_at;
+ }
+
+ if (IS_USERINFO_CHAR(ch) || ch == '[' || ch == ']') {
+ return s_req_server;
+ }
+
+ break;
+
+ case s_req_path:
+ if (IS_URL_CHAR(ch)) {
+ return s;
+ }
+
+ switch (ch) {
+ case '?':
+ return s_req_query_string_start;
+
+ case '#':
+ return s_req_fragment_start;
+ }
+
+ break;
+
+ case s_req_query_string_start:
+ case s_req_query_string:
+ if (IS_URL_CHAR(ch)) {
+ return s_req_query_string;
+ }
+
+ switch (ch) {
+ case '?':
+ /* allow extra '?' in query string */
+ return s_req_query_string;
+
+ case '#':
+ return s_req_fragment_start;
+ }
+
+ break;
+
+ case s_req_fragment_start:
+ if (IS_URL_CHAR(ch)) {
+ return s_req_fragment;
+ }
+
+ switch (ch) {
+ case '?':
+ return s_req_fragment;
+
+ case '#':
+ return s;
+ }
+
+ break;
+
+ case s_req_fragment:
+ if (IS_URL_CHAR(ch)) {
+ return s;
+ }
+
+ switch (ch) {
+ case '?':
+ case '#':
+ return s;
+ }
+
+ break;
+
+ default:
+ break;
+ }
+
+ /* We should never fall out of the switch above unless there's an error */
+ return s_dead;
+}
+
+size_t http_parser_execute (http_parser *parser,
+ const http_parser_settings *settings,
+ const char *data,
+ size_t len)
+{
+ char c, ch;
+ int8_t unhex_val;
+ const char *p = data;
+ const char *header_field_mark = 0;
+ const char *header_value_mark = 0;
+ const char *url_mark = 0;
+ const char *body_mark = 0;
+ const char *status_mark = 0;
+ enum state p_state = (enum state) parser->state;
+ const unsigned int lenient = parser->lenient_http_headers;
+
+ /* We're in an error state. Don't bother doing anything. */
+ if (HTTP_PARSER_ERRNO(parser) != HPE_OK) {
+ return 0;
+ }
+
+ if (len == 0) {
+ switch (CURRENT_STATE()) {
+ case s_body_identity_eof:
+ /* Use of CALLBACK_NOTIFY() here would erroneously return 1 byte read if
+ * we got paused.
+ */
+ CALLBACK_NOTIFY_NOADVANCE(message_complete);
+ return 0;
+
+ case s_dead:
+ case s_start_req_or_res:
+ case s_start_res:
+ case s_start_req:
+ return 0;
+
+ default:
+ SET_ERRNO(HPE_INVALID_EOF_STATE);
+ return 1;
+ }
+ }
+
+
+ if (CURRENT_STATE() == s_header_field)
+ header_field_mark = data;
+ if (CURRENT_STATE() == s_header_value)
+ header_value_mark = data;
+ switch (CURRENT_STATE()) {
+ case s_req_path:
+ case s_req_schema:
+ case s_req_schema_slash:
+ case s_req_schema_slash_slash:
+ case s_req_server_start:
+ case s_req_server:
+ case s_req_server_with_at:
+ case s_req_query_string_start:
+ case s_req_query_string:
+ case s_req_fragment_start:
+ case s_req_fragment:
+ url_mark = data;
+ break;
+ case s_res_status:
+ status_mark = data;
+ break;
+ default:
+ break;
+ }
+
+ for (p=data; p != data + len; p++) {
+ ch = *p;
+
+ if (PARSING_HEADER(CURRENT_STATE()))
+ COUNT_HEADER_SIZE(1);
+
+reexecute:
+ switch (CURRENT_STATE()) {
+
+ case s_dead:
+ /* this state is used after a 'Connection: close' message
+ * the parser will error out if it reads another message
+ */
+ if (LIKELY(ch == CR || ch == LF))
+ break;
+
+ SET_ERRNO(HPE_CLOSED_CONNECTION);
+ goto error;
+
+ case s_start_req_or_res:
+ {
+ if (ch == CR || ch == LF)
+ break;
+ parser->flags = 0;
+ parser->content_length = ULLONG_MAX;
+
+ if (ch == 'H') {
+ UPDATE_STATE(s_res_or_resp_H);
+
+ CALLBACK_NOTIFY(message_begin);
+ } else {
+ parser->type = HTTP_REQUEST;
+ UPDATE_STATE(s_start_req);
+ REEXECUTE();
+ }
+
+ break;
+ }
+
+ case s_res_or_resp_H:
+ if (ch == 'T') {
+ parser->type = HTTP_RESPONSE;
+ UPDATE_STATE(s_res_HT);
+ } else {
+ if (UNLIKELY(ch != 'E')) {
+ SET_ERRNO(HPE_INVALID_CONSTANT);
+ goto error;
+ }
+
+ parser->type = HTTP_REQUEST;
+ parser->method = HTTP_HEAD;
+ parser->index = 2;
+ UPDATE_STATE(s_req_method);
+ }
+ break;
+
+ case s_start_res:
+ {
+ parser->flags = 0;
+ parser->content_length = ULLONG_MAX;
+
+ switch (ch) {
+ case 'H':
+ UPDATE_STATE(s_res_H);
+ break;
+
+ case CR:
+ case LF:
+ break;
+
+ default:
+ SET_ERRNO(HPE_INVALID_CONSTANT);
+ goto error;
+ }
+
+ CALLBACK_NOTIFY(message_begin);
+ break;
+ }
+
+ case s_res_H:
+ STRICT_CHECK(ch != 'T');
+ UPDATE_STATE(s_res_HT);
+ break;
+
+ case s_res_HT:
+ STRICT_CHECK(ch != 'T');
+ UPDATE_STATE(s_res_HTT);
+ break;
+
+ case s_res_HTT:
+ STRICT_CHECK(ch != 'P');
+ UPDATE_STATE(s_res_HTTP);
+ break;
+
+ case s_res_HTTP:
+ STRICT_CHECK(ch != '/');
+ UPDATE_STATE(s_res_first_http_major);
+ break;
+
+ case s_res_first_http_major:
+ if (UNLIKELY(ch < '0' || ch > '9')) {
+ SET_ERRNO(HPE_INVALID_VERSION);
+ goto error;
+ }
+
+ parser->http_major = ch - '0';
+ UPDATE_STATE(s_res_http_major);
+ break;
+
+ /* major HTTP version or dot */
+ case s_res_http_major:
+ {
+ if (ch == '.') {
+ UPDATE_STATE(s_res_first_http_minor);
+ break;
+ }
+
+ if (!IS_NUM(ch)) {
+ SET_ERRNO(HPE_INVALID_VERSION);
+ goto error;
+ }
+
+ parser->http_major *= 10;
+ parser->http_major += ch - '0';
+
+ if (UNLIKELY(parser->http_major > 999)) {
+ SET_ERRNO(HPE_INVALID_VERSION);
+ goto error;
+ }
+
+ break;
+ }
+
+ /* first digit of minor HTTP version */
+ case s_res_first_http_minor:
+ if (UNLIKELY(!IS_NUM(ch))) {
+ SET_ERRNO(HPE_INVALID_VERSION);
+ goto error;
+ }
+
+ parser->http_minor = ch - '0';
+ UPDATE_STATE(s_res_http_minor);
+ break;
+
+ /* minor HTTP version or end of request line */
+ case s_res_http_minor:
+ {
+ if (ch == ' ') {
+ UPDATE_STATE(s_res_first_status_code);
+ break;
+ }
+
+ if (UNLIKELY(!IS_NUM(ch))) {
+ SET_ERRNO(HPE_INVALID_VERSION);
+ goto error;
+ }
+
+ parser->http_minor *= 10;
+ parser->http_minor += ch - '0';
+
+ if (UNLIKELY(parser->http_minor > 999)) {
+ SET_ERRNO(HPE_INVALID_VERSION);
+ goto error;
+ }
+
+ break;
+ }
+
+ case s_res_first_status_code:
+ {
+ if (!IS_NUM(ch)) {
+ if (ch == ' ') {
+ break;
+ }
+
+ SET_ERRNO(HPE_INVALID_STATUS);
+ goto error;
+ }
+ parser->status_code = ch - '0';
+ UPDATE_STATE(s_res_status_code);
+ break;
+ }
+
+ case s_res_status_code:
+ {
+ if (!IS_NUM(ch)) {
+ switch (ch) {
+ case ' ':
+ UPDATE_STATE(s_res_status_start);
+ break;
+ case CR:
+ UPDATE_STATE(s_res_line_almost_done);
+ break;
+ case LF:
+ UPDATE_STATE(s_header_field_start);
+ break;
+ default:
+ SET_ERRNO(HPE_INVALID_STATUS);
+ goto error;
+ }
+ break;
+ }
+
+ parser->status_code *= 10;
+ parser->status_code += ch - '0';
+
+ if (UNLIKELY(parser->status_code > 999)) {
+ SET_ERRNO(HPE_INVALID_STATUS);
+ goto error;
+ }
+
+ break;
+ }
+
+ case s_res_status_start:
+ {
+ if (ch == CR) {
+ UPDATE_STATE(s_res_line_almost_done);
+ break;
+ }
+
+ if (ch == LF) {
+ UPDATE_STATE(s_header_field_start);
+ break;
+ }
+
+ MARK(status);
+ UPDATE_STATE(s_res_status);
+ parser->index = 0;
+ break;
+ }
+
+ case s_res_status:
+ if (ch == CR) {
+ UPDATE_STATE(s_res_line_almost_done);
+ CALLBACK_DATA(status);
+ break;
+ }
+
+ if (ch == LF) {
+ UPDATE_STATE(s_header_field_start);
+ CALLBACK_DATA(status);
+ break;
+ }
+
+ break;
+
+ case s_res_line_almost_done:
+ STRICT_CHECK(ch != LF);
+ UPDATE_STATE(s_header_field_start);
+ break;
+
+ case s_start_req:
+ {
+ if (ch == CR || ch == LF)
+ break;
+ parser->flags = 0;
+ parser->content_length = ULLONG_MAX;
+
+ if (UNLIKELY(!IS_ALPHA(ch))) {
+ SET_ERRNO(HPE_INVALID_METHOD);
+ goto error;
+ }
+
+ parser->method = (enum http_method) 0;
+ parser->index = 1;
+ switch (ch) {
+ case 'A': parser->method = HTTP_ACL; break;
+ case 'B': parser->method = HTTP_BIND; break;
+ case 'C': parser->method = HTTP_CONNECT; /* or COPY, CHECKOUT */ break;
+ case 'D': parser->method = HTTP_DELETE; break;
+ case 'G': parser->method = HTTP_GET; break;
+ case 'H': parser->method = HTTP_HEAD; break;
+ case 'L': parser->method = HTTP_LOCK; /* or LINK */ break;
+ case 'M': parser->method = HTTP_MKCOL; /* or MOVE, MKACTIVITY, MERGE, M-SEARCH, MKCALENDAR */ break;
+ case 'N': parser->method = HTTP_NOTIFY; break;
+ case 'O': parser->method = HTTP_OPTIONS; break;
+ case 'P': parser->method = HTTP_POST;
+ /* or PROPFIND|PROPPATCH|PUT|PATCH|PURGE */
+ break;
+ case 'R': parser->method = HTTP_REPORT; /* or REBIND */ break;
+ case 'S': parser->method = HTTP_SUBSCRIBE; /* or SEARCH */ break;
+ case 'T': parser->method = HTTP_TRACE; break;
+ case 'U': parser->method = HTTP_UNLOCK; /* or UNSUBSCRIBE, UNBIND, UNLINK */ break;
+ default:
+ SET_ERRNO(HPE_INVALID_METHOD);
+ goto error;
+ }
+ UPDATE_STATE(s_req_method);
+
+ CALLBACK_NOTIFY(message_begin);
+
+ break;
+ }
+
+ case s_req_method:
+ {
+ const char *matcher;
+ if (UNLIKELY(ch == '\0')) {
+ SET_ERRNO(HPE_INVALID_METHOD);
+ goto error;
+ }
+
+ matcher = method_strings[parser->method];
+ if (ch == ' ' && matcher[parser->index] == '\0') {
+ UPDATE_STATE(s_req_spaces_before_url);
+ } else if (ch == matcher[parser->index]) {
+ ; /* nada */
+ } else if (IS_ALPHA(ch)) {
+
+ switch (parser->method << 16 | parser->index << 8 | ch) {
+#define XX(meth, pos, ch, new_meth) \
+ case (HTTP_##meth << 16 | pos << 8 | ch): \
+ parser->method = HTTP_##new_meth; break;
+
+ XX(POST, 1, 'U', PUT)
+ XX(POST, 1, 'A', PATCH)
+ XX(CONNECT, 1, 'H', CHECKOUT)
+ XX(CONNECT, 2, 'P', COPY)
+ XX(MKCOL, 1, 'O', MOVE)
+ XX(MKCOL, 1, 'E', MERGE)
+ XX(MKCOL, 2, 'A', MKACTIVITY)
+ XX(MKCOL, 3, 'A', MKCALENDAR)
+ XX(SUBSCRIBE, 1, 'E', SEARCH)
+ XX(REPORT, 2, 'B', REBIND)
+ XX(POST, 1, 'R', PROPFIND)
+ XX(PROPFIND, 4, 'P', PROPPATCH)
+ XX(PUT, 2, 'R', PURGE)
+ XX(LOCK, 1, 'I', LINK)
+ XX(UNLOCK, 2, 'S', UNSUBSCRIBE)
+ XX(UNLOCK, 2, 'B', UNBIND)
+ XX(UNLOCK, 3, 'I', UNLINK)
+#undef XX
+
+ default:
+ SET_ERRNO(HPE_INVALID_METHOD);
+ goto error;
+ }
+ } else if (ch == '-' &&
+ parser->index == 1 &&
+ parser->method == HTTP_MKCOL) {
+ parser->method = HTTP_MSEARCH;
+ } else {
+ SET_ERRNO(HPE_INVALID_METHOD);
+ goto error;
+ }
+
+ ++parser->index;
+ break;
+ }
+
+ case s_req_spaces_before_url:
+ {
+ if (ch == ' ') break;
+
+ MARK(url);
+ if (parser->method == HTTP_CONNECT) {
+ UPDATE_STATE(s_req_server_start);
+ }
+
+ UPDATE_STATE(parse_url_char(CURRENT_STATE(), ch));
+ if (UNLIKELY(CURRENT_STATE() == s_dead)) {
+ SET_ERRNO(HPE_INVALID_URL);
+ goto error;
+ }
+
+ break;
+ }
+
+ case s_req_schema:
+ case s_req_schema_slash:
+ case s_req_schema_slash_slash:
+ case s_req_server_start:
+ {
+ switch (ch) {
+ /* No whitespace allowed here */
+ case ' ':
+ case CR:
+ case LF:
+ SET_ERRNO(HPE_INVALID_URL);
+ goto error;
+ default:
+ UPDATE_STATE(parse_url_char(CURRENT_STATE(), ch));
+ if (UNLIKELY(CURRENT_STATE() == s_dead)) {
+ SET_ERRNO(HPE_INVALID_URL);
+ goto error;
+ }
+ }
+
+ break;
+ }
+
+ case s_req_server:
+ case s_req_server_with_at:
+ case s_req_path:
+ case s_req_query_string_start:
+ case s_req_query_string:
+ case s_req_fragment_start:
+ case s_req_fragment:
+ {
+ switch (ch) {
+ case ' ':
+ UPDATE_STATE(s_req_http_start);
+ CALLBACK_DATA(url);
+ break;
+ case CR:
+ case LF:
+ parser->http_major = 0;
+ parser->http_minor = 9;
+ UPDATE_STATE((ch == CR) ?
+ s_req_line_almost_done :
+ s_header_field_start);
+ CALLBACK_DATA(url);
+ break;
+ default:
+ UPDATE_STATE(parse_url_char(CURRENT_STATE(), ch));
+ if (UNLIKELY(CURRENT_STATE() == s_dead)) {
+ SET_ERRNO(HPE_INVALID_URL);
+ goto error;
+ }
+ }
+ break;
+ }
+
+ case s_req_http_start:
+ switch (ch) {
+ case 'H':
+ UPDATE_STATE(s_req_http_H);
+ break;
+ case ' ':
+ break;
+ default:
+ SET_ERRNO(HPE_INVALID_CONSTANT);
+ goto error;
+ }
+ break;
+
+ case s_req_http_H:
+ STRICT_CHECK(ch != 'T');
+ UPDATE_STATE(s_req_http_HT);
+ break;
+
+ case s_req_http_HT:
+ STRICT_CHECK(ch != 'T');
+ UPDATE_STATE(s_req_http_HTT);
+ break;
+
+ case s_req_http_HTT:
+ STRICT_CHECK(ch != 'P');
+ UPDATE_STATE(s_req_http_HTTP);
+ break;
+
+ case s_req_http_HTTP:
+ STRICT_CHECK(ch != '/');
+ UPDATE_STATE(s_req_first_http_major);
+ break;
+
+ /* first digit of major HTTP version */
+ case s_req_first_http_major:
+ if (UNLIKELY(ch < '1' || ch > '9')) {
+ SET_ERRNO(HPE_INVALID_VERSION);
+ goto error;
+ }
+
+ parser->http_major = ch - '0';
+ UPDATE_STATE(s_req_http_major);
+ break;
+
+ /* major HTTP version or dot */
+ case s_req_http_major:
+ {
+ if (ch == '.') {
+ UPDATE_STATE(s_req_first_http_minor);
+ break;
+ }
+
+ if (UNLIKELY(!IS_NUM(ch))) {
+ SET_ERRNO(HPE_INVALID_VERSION);
+ goto error;
+ }
+
+ parser->http_major *= 10;
+ parser->http_major += ch - '0';
+
+ if (UNLIKELY(parser->http_major > 999)) {
+ SET_ERRNO(HPE_INVALID_VERSION);
+ goto error;
+ }
+
+ break;
+ }
+
+ /* first digit of minor HTTP version */
+ case s_req_first_http_minor:
+ if (UNLIKELY(!IS_NUM(ch))) {
+ SET_ERRNO(HPE_INVALID_VERSION);
+ goto error;
+ }
+
+ parser->http_minor = ch - '0';
+ UPDATE_STATE(s_req_http_minor);
+ break;
+
+ /* minor HTTP version or end of request line */
+ case s_req_http_minor:
+ {
+ if (ch == CR) {
+ UPDATE_STATE(s_req_line_almost_done);
+ break;
+ }
+
+ if (ch == LF) {
+ UPDATE_STATE(s_header_field_start);
+ break;
+ }
+
+ /* XXX allow spaces after digit? */
+
+ if (UNLIKELY(!IS_NUM(ch))) {
+ SET_ERRNO(HPE_INVALID_VERSION);
+ goto error;
+ }
+
+ parser->http_minor *= 10;
+ parser->http_minor += ch - '0';
+
+ if (UNLIKELY(parser->http_minor > 999)) {
+ SET_ERRNO(HPE_INVALID_VERSION);
+ goto error;
+ }
+
+ break;
+ }
+
+ /* end of request line */
+ case s_req_line_almost_done:
+ {
+ if (UNLIKELY(ch != LF)) {
+ SET_ERRNO(HPE_LF_EXPECTED);
+ goto error;
+ }
+
+ UPDATE_STATE(s_header_field_start);
+ break;
+ }
+
+ case s_header_field_start:
+ {
+ if (ch == CR) {
+ UPDATE_STATE(s_headers_almost_done);
+ break;
+ }
+
+ if (ch == LF) {
+ /* they might be just sending \n instead of \r\n so this would be
+ * the second \n to denote the end of headers*/
+ UPDATE_STATE(s_headers_almost_done);
+ REEXECUTE();
+ }
+
+ c = TOKEN(ch);
+
+ if (UNLIKELY(!c)) {
+ SET_ERRNO(HPE_INVALID_HEADER_TOKEN);
+ goto error;
+ }
+
+ MARK(header_field);
+
+ parser->index = 0;
+ UPDATE_STATE(s_header_field);
+
+ switch (c) {
+ case 'c':
+ parser->header_state = h_C;
+ break;
+
+ case 'p':
+ parser->header_state = h_matching_proxy_connection;
+ break;
+
+ case 't':
+ parser->header_state = h_matching_transfer_encoding;
+ break;
+
+ case 'u':
+ parser->header_state = h_matching_upgrade;
+ break;
+
+ default:
+ parser->header_state = h_general;
+ break;
+ }
+ break;
+ }
+
+ case s_header_field:
+ {
+ const char* start = p;
+ for (; p != data + len; p++) {
+ ch = *p;
+ c = TOKEN(ch);
+
+ if (!c)
+ break;
+
+ switch (parser->header_state) {
+ case h_general:
+ break;
+
+ case h_C:
+ parser->index++;
+ parser->header_state = (c == 'o' ? h_CO : h_general);
+ break;
+
+ case h_CO:
+ parser->index++;
+ parser->header_state = (c == 'n' ? h_CON : h_general);
+ break;
+
+ case h_CON:
+ parser->index++;
+ switch (c) {
+ case 'n':
+ parser->header_state = h_matching_connection;
+ break;
+ case 't':
+ parser->header_state = h_matching_content_length;
+ break;
+ default:
+ parser->header_state = h_general;
+ break;
+ }
+ break;
+
+ /* connection */
+
+ case h_matching_connection:
+ parser->index++;
+ if (parser->index > sizeof(CONNECTION)-1
+ || c != CONNECTION[parser->index]) {
+ parser->header_state = h_general;
+ } else if (parser->index == sizeof(CONNECTION)-2) {
+ parser->header_state = h_connection;
+ }
+ break;
+
+ /* proxy-connection */
+
+ case h_matching_proxy_connection:
+ parser->index++;
+ if (parser->index > sizeof(PROXY_CONNECTION)-1
+ || c != PROXY_CONNECTION[parser->index]) {
+ parser->header_state = h_general;
+ } else if (parser->index == sizeof(PROXY_CONNECTION)-2) {
+ parser->header_state = h_connection;
+ }
+ break;
+
+ /* content-length */
+
+ case h_matching_content_length:
+ parser->index++;
+ if (parser->index > sizeof(CONTENT_LENGTH)-1
+ || c != CONTENT_LENGTH[parser->index]) {
+ parser->header_state = h_general;
+ } else if (parser->index == sizeof(CONTENT_LENGTH)-2) {
+ parser->header_state = h_content_length;
+ }
+ break;
+
+ /* transfer-encoding */
+
+ case h_matching_transfer_encoding:
+ parser->index++;
+ if (parser->index > sizeof(TRANSFER_ENCODING)-1
+ || c != TRANSFER_ENCODING[parser->index]) {
+ parser->header_state = h_general;
+ } else if (parser->index == sizeof(TRANSFER_ENCODING)-2) {
+ parser->header_state = h_transfer_encoding;
+ }
+ break;
+
+ /* upgrade */
+
+ case h_matching_upgrade:
+ parser->index++;
+ if (parser->index > sizeof(UPGRADE)-1
+ || c != UPGRADE[parser->index]) {
+ parser->header_state = h_general;
+ } else if (parser->index == sizeof(UPGRADE)-2) {
+ parser->header_state = h_upgrade;
+ }
+ break;
+
+ case h_connection:
+ case h_content_length:
+ case h_transfer_encoding:
+ case h_upgrade:
+ if (ch != ' ') parser->header_state = h_general;
+ break;
+
+ default:
+ assert(0 && "Unknown header_state");
+ break;
+ }
+ }
+
+ COUNT_HEADER_SIZE(p - start);
+
+ if (p == data + len) {
+ --p;
+ break;
+ }
+
+ if (ch == ':') {
+ UPDATE_STATE(s_header_value_discard_ws);
+ CALLBACK_DATA(header_field);
+ break;
+ }
+
+ SET_ERRNO(HPE_INVALID_HEADER_TOKEN);
+ goto error;
+ }
+
+ case s_header_value_discard_ws:
+ if (ch == ' ' || ch == '\t') break;
+
+ if (ch == CR) {
+ UPDATE_STATE(s_header_value_discard_ws_almost_done);
+ break;
+ }
+
+ if (ch == LF) {
+ UPDATE_STATE(s_header_value_discard_lws);
+ break;
+ }
+
+ /* FALLTHROUGH */
+
+ case s_header_value_start:
+ {
+ MARK(header_value);
+
+ UPDATE_STATE(s_header_value);
+ parser->index = 0;
+
+ c = LOWER(ch);
+
+ switch (parser->header_state) {
+ case h_upgrade:
+ parser->flags |= F_UPGRADE;
+ parser->header_state = h_general;
+ break;
+
+ case h_transfer_encoding:
+ /* looking for 'Transfer-Encoding: chunked' */
+ if ('c' == c) {
+ parser->header_state = h_matching_transfer_encoding_chunked;
+ } else {
+ parser->header_state = h_general;
+ }
+ break;
+
+ case h_content_length:
+ if (UNLIKELY(!IS_NUM(ch))) {
+ SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
+ goto error;
+ }
+
+ if (parser->flags & F_CONTENTLENGTH) {
+ SET_ERRNO(HPE_UNEXPECTED_CONTENT_LENGTH);
+ goto error;
+ }
+
+ parser->flags |= F_CONTENTLENGTH;
+ parser->content_length = ch - '0';
+ break;
+
+ case h_connection:
+ /* looking for 'Connection: keep-alive' */
+ if (c == 'k') {
+ parser->header_state = h_matching_connection_keep_alive;
+ /* looking for 'Connection: close' */
+ } else if (c == 'c') {
+ parser->header_state = h_matching_connection_close;
+ } else if (c == 'u') {
+ parser->header_state = h_matching_connection_upgrade;
+ } else {
+ parser->header_state = h_matching_connection_token;
+ }
+ break;
+
+ /* Multi-value `Connection` header */
+ case h_matching_connection_token_start:
+ break;
+
+ default:
+ parser->header_state = h_general;
+ break;
+ }
+ break;
+ }
+
+ case s_header_value:
+ {
+ const char* start = p;
+ enum header_states h_state = (enum header_states) parser->header_state;
+ for (; p != data + len; p++) {
+ ch = *p;
+ if (ch == CR) {
+ UPDATE_STATE(s_header_almost_done);
+ parser->header_state = h_state;
+ CALLBACK_DATA(header_value);
+ break;
+ }
+
+ if (ch == LF) {
+ UPDATE_STATE(s_header_almost_done);
+ COUNT_HEADER_SIZE(p - start);
+ parser->header_state = h_state;
+ CALLBACK_DATA_NOADVANCE(header_value);
+ REEXECUTE();
+ }
+
+ if (!lenient && !IS_HEADER_CHAR(ch)) {
+ SET_ERRNO(HPE_INVALID_HEADER_TOKEN);
+ goto error;
+ }
+
+ c = LOWER(ch);
+
+ switch (h_state) {
+ case h_general:
+ {
+ const char* p_cr;
+ const char* p_lf;
+ size_t limit = data + len - p;
+
+ limit = MIN(limit, HTTP_MAX_HEADER_SIZE);
+
+ p_cr = (const char*) memchr(p, CR, limit);
+ p_lf = (const char*) memchr(p, LF, limit);
+ if (p_cr != NULL) {
+ if (p_lf != NULL && p_cr >= p_lf)
+ p = p_lf;
+ else
+ p = p_cr;
+ } else if (UNLIKELY(p_lf != NULL)) {
+ p = p_lf;
+ } else {
+ p = data + len;
+ }
+ --p;
+
+ break;
+ }
+
+ case h_connection:
+ case h_transfer_encoding:
+ assert(0 && "Shouldn't get here.");
+ break;
+
+ case h_content_length:
+ {
+ uint64_t t;
+
+ if (ch == ' ') break;
+
+ if (UNLIKELY(!IS_NUM(ch))) {
+ SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
+ parser->header_state = h_state;
+ goto error;
+ }
+
+ t = parser->content_length;
+ t *= 10;
+ t += ch - '0';
+
+ /* Overflow? Test against a conservative limit for simplicity. */
+ if (UNLIKELY((ULLONG_MAX - 10) / 10 < parser->content_length)) {
+ SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
+ parser->header_state = h_state;
+ goto error;
+ }
+
+ parser->content_length = t;
+ break;
+ }
+
+ /* Transfer-Encoding: chunked */
+ case h_matching_transfer_encoding_chunked:
+ parser->index++;
+ if (parser->index > sizeof(CHUNKED)-1
+ || c != CHUNKED[parser->index]) {
+ h_state = h_general;
+ } else if (parser->index == sizeof(CHUNKED)-2) {
+ h_state = h_transfer_encoding_chunked;
+ }
+ break;
+
+ case h_matching_connection_token_start:
+ /* looking for 'Connection: keep-alive' */
+ if (c == 'k') {
+ h_state = h_matching_connection_keep_alive;
+ /* looking for 'Connection: close' */
+ } else if (c == 'c') {
+ h_state = h_matching_connection_close;
+ } else if (c == 'u') {
+ h_state = h_matching_connection_upgrade;
+ } else if (STRICT_TOKEN(c)) {
+ h_state = h_matching_connection_token;
+ } else if (c == ' ' || c == '\t') {
+ /* Skip lws */
+ } else {
+ h_state = h_general;
+ }
+ break;
+
+ /* looking for 'Connection: keep-alive' */
+ case h_matching_connection_keep_alive:
+ parser->index++;
+ if (parser->index > sizeof(KEEP_ALIVE)-1
+ || c != KEEP_ALIVE[parser->index]) {
+ h_state = h_matching_connection_token;
+ } else if (parser->index == sizeof(KEEP_ALIVE)-2) {
+ h_state = h_connection_keep_alive;
+ }
+ break;
+
+ /* looking for 'Connection: close' */
+ case h_matching_connection_close:
+ parser->index++;
+ if (parser->index > sizeof(CLOSE)-1 || c != CLOSE[parser->index]) {
+ h_state = h_matching_connection_token;
+ } else if (parser->index == sizeof(CLOSE)-2) {
+ h_state = h_connection_close;
+ }
+ break;
+
+ /* looking for 'Connection: upgrade' */
+ case h_matching_connection_upgrade:
+ parser->index++;
+ if (parser->index > sizeof(UPGRADE) - 1 ||
+ c != UPGRADE[parser->index]) {
+ h_state = h_matching_connection_token;
+ } else if (parser->index == sizeof(UPGRADE)-2) {
+ h_state = h_connection_upgrade;
+ }
+ break;
+
+ case h_matching_connection_token:
+ if (ch == ',') {
+ h_state = h_matching_connection_token_start;
+ parser->index = 0;
+ }
+ break;
+
+ case h_transfer_encoding_chunked:
+ if (ch != ' ') h_state = h_general;
+ break;
+
+ case h_connection_keep_alive:
+ case h_connection_close:
+ case h_connection_upgrade:
+ if (ch == ',') {
+ if (h_state == h_connection_keep_alive) {
+ parser->flags |= F_CONNECTION_KEEP_ALIVE;
+ } else if (h_state == h_connection_close) {
+ parser->flags |= F_CONNECTION_CLOSE;
+ } else if (h_state == h_connection_upgrade) {
+ parser->flags |= F_CONNECTION_UPGRADE;
+ }
+ h_state = h_matching_connection_token_start;
+ parser->index = 0;
+ } else if (ch != ' ') {
+ h_state = h_matching_connection_token;
+ }
+ break;
+
+ default:
+ UPDATE_STATE(s_header_value);
+ h_state = h_general;
+ break;
+ }
+ }
+ parser->header_state = h_state;
+
+ COUNT_HEADER_SIZE(p - start);
+
+ if (p == data + len)
+ --p;
+ break;
+ }
+
+ case s_header_almost_done:
+ {
+ if (UNLIKELY(ch != LF)) {
+ SET_ERRNO(HPE_LF_EXPECTED);
+ goto error;
+ }
+
+ UPDATE_STATE(s_header_value_lws);
+ break;
+ }
+
+ case s_header_value_lws:
+ {
+ if (ch == ' ' || ch == '\t') {
+ UPDATE_STATE(s_header_value_start);
+ REEXECUTE();
+ }
+
+ /* finished the header */
+ switch (parser->header_state) {
+ case h_connection_keep_alive:
+ parser->flags |= F_CONNECTION_KEEP_ALIVE;
+ break;
+ case h_connection_close:
+ parser->flags |= F_CONNECTION_CLOSE;
+ break;
+ case h_transfer_encoding_chunked:
+ parser->flags |= F_CHUNKED;
+ break;
+ case h_connection_upgrade:
+ parser->flags |= F_CONNECTION_UPGRADE;
+ break;
+ default:
+ break;
+ }
+
+ UPDATE_STATE(s_header_field_start);
+ REEXECUTE();
+ }
+
+ case s_header_value_discard_ws_almost_done:
+ {
+ STRICT_CHECK(ch != LF);
+ UPDATE_STATE(s_header_value_discard_lws);
+ break;
+ }
+
+ case s_header_value_discard_lws:
+ {
+ if (ch == ' ' || ch == '\t') {
+ UPDATE_STATE(s_header_value_discard_ws);
+ break;
+ } else {
+ switch (parser->header_state) {
+ case h_connection_keep_alive:
+ parser->flags |= F_CONNECTION_KEEP_ALIVE;
+ break;
+ case h_connection_close:
+ parser->flags |= F_CONNECTION_CLOSE;
+ break;
+ case h_connection_upgrade:
+ parser->flags |= F_CONNECTION_UPGRADE;
+ break;
+ case h_transfer_encoding_chunked:
+ parser->flags |= F_CHUNKED;
+ break;
+ default:
+ break;
+ }
+
+ /* header value was empty */
+ MARK(header_value);
+ UPDATE_STATE(s_header_field_start);
+ CALLBACK_DATA_NOADVANCE(header_value);
+ REEXECUTE();
+ }
+ }
+
+ case s_headers_almost_done:
+ {
+ STRICT_CHECK(ch != LF);
+
+ if (parser->flags & F_TRAILING) {
+ /* End of a chunked request */
+ UPDATE_STATE(s_message_done);
+ CALLBACK_NOTIFY_NOADVANCE(chunk_complete);
+ REEXECUTE();
+ }
+
+ /* Cannot use chunked encoding and a content-length header together
+ per the HTTP specification. */
+ if ((parser->flags & F_CHUNKED) &&
+ (parser->flags & F_CONTENTLENGTH)) {
+ SET_ERRNO(HPE_UNEXPECTED_CONTENT_LENGTH);
+ goto error;
+ }
+
+ UPDATE_STATE(s_headers_done);
+
+ /* Set this here so that on_headers_complete() callbacks can see it */
+ parser->upgrade =
+ ((parser->flags & (F_UPGRADE | F_CONNECTION_UPGRADE)) ==
+ (F_UPGRADE | F_CONNECTION_UPGRADE) ||
+ parser->method == HTTP_CONNECT);
+
+ /* Here we call the headers_complete callback. This is somewhat
+ * different than other callbacks because if the user returns 1, we
+ * will interpret that as saying that this message has no body. This
+ * is needed for the annoying case of recieving a response to a HEAD
+ * request.
+ *
+ * We'd like to use CALLBACK_NOTIFY_NOADVANCE() here but we cannot, so
+ * we have to simulate it by handling a change in errno below.
+ */
+ if (settings->on_headers_complete) {
+ switch (settings->on_headers_complete(parser)) {
+ case 0:
+ break;
+
+ case 2:
+ parser->upgrade = 1;
+
+ case 1:
+ parser->flags |= F_SKIPBODY;
+ break;
+
+ default:
+ SET_ERRNO(HPE_CB_headers_complete);
+ RETURN(p - data); /* Error */
+ }
+ }
+
+ if (HTTP_PARSER_ERRNO(parser) != HPE_OK) {
+ RETURN(p - data);
+ }
+
+ REEXECUTE();
+ }
+
+ case s_headers_done:
+ {
+ int hasBody;
+ STRICT_CHECK(ch != LF);
+
+ parser->nread = 0;
+
+ hasBody = parser->flags & F_CHUNKED ||
+ (parser->content_length > 0 && parser->content_length != ULLONG_MAX);
+ if (parser->upgrade && (parser->method == HTTP_CONNECT ||
+ (parser->flags & F_SKIPBODY) || !hasBody)) {
+ /* Exit, the rest of the message is in a different protocol. */
+ UPDATE_STATE(NEW_MESSAGE());
+ CALLBACK_NOTIFY(message_complete);
+ RETURN((p - data) + 1);
+ }
+
+ if (parser->flags & F_SKIPBODY) {
+ UPDATE_STATE(NEW_MESSAGE());
+ CALLBACK_NOTIFY(message_complete);
+ } else if (parser->flags & F_CHUNKED) {
+ /* chunked encoding - ignore Content-Length header */
+ UPDATE_STATE(s_chunk_size_start);
+ } else {
+ if (parser->content_length == 0) {
+ /* Content-Length header given but zero: Content-Length: 0\r\n */
+ UPDATE_STATE(NEW_MESSAGE());
+ CALLBACK_NOTIFY(message_complete);
+ } else if (parser->content_length != ULLONG_MAX) {
+ /* Content-Length header given and non-zero */
+ UPDATE_STATE(s_body_identity);
+ } else {
+ if (!http_message_needs_eof(parser)) {
+ /* Assume content-length 0 - read the next */
+ UPDATE_STATE(NEW_MESSAGE());
+ CALLBACK_NOTIFY(message_complete);
+ } else {
+ /* Read body until EOF */
+ UPDATE_STATE(s_body_identity_eof);
+ }
+ }
+ }
+
+ break;
+ }
+
+ case s_body_identity:
+ {
+ uint64_t to_read = MIN(parser->content_length,
+ (uint64_t) ((data + len) - p));
+
+ assert(parser->content_length != 0
+ && parser->content_length != ULLONG_MAX);
+
+ /* The difference between advancing content_length and p is because
+ * the latter will automaticaly advance on the next loop iteration.
+ * Further, if content_length ends up at 0, we want to see the last
+ * byte again for our message complete callback.
+ */
+ MARK(body);
+ parser->content_length -= to_read;
+ p += to_read - 1;
+
+ if (parser->content_length == 0) {
+ UPDATE_STATE(s_message_done);
+
+ /* Mimic CALLBACK_DATA_NOADVANCE() but with one extra byte.
+ *
+ * The alternative to doing this is to wait for the next byte to
+ * trigger the data callback, just as in every other case. The
+ * problem with this is that this makes it difficult for the test
+ * harness to distinguish between complete-on-EOF and
+ * complete-on-length. It's not clear that this distinction is
+ * important for applications, but let's keep it for now.
+ */
+ CALLBACK_DATA_(body, p - body_mark + 1, p - data);
+ REEXECUTE();
+ }
+
+ break;
+ }
+
+ /* read until EOF */
+ case s_body_identity_eof:
+ MARK(body);
+ p = data + len - 1;
+
+ break;
+
+ case s_message_done:
+ UPDATE_STATE(NEW_MESSAGE());
+ CALLBACK_NOTIFY(message_complete);
+ if (parser->upgrade) {
+ /* Exit, the rest of the message is in a different protocol. */
+ RETURN((p - data) + 1);
+ }
+ break;
+
+ case s_chunk_size_start:
+ {
+ assert(parser->nread == 1);
+ assert(parser->flags & F_CHUNKED);
+
+ unhex_val = unhex[(unsigned char)ch];
+ if (UNLIKELY(unhex_val == -1)) {
+ SET_ERRNO(HPE_INVALID_CHUNK_SIZE);
+ goto error;
+ }
+
+ parser->content_length = unhex_val;
+ UPDATE_STATE(s_chunk_size);
+ break;
+ }
+
+ case s_chunk_size:
+ {
+ uint64_t t;
+
+ assert(parser->flags & F_CHUNKED);
+
+ if (ch == CR) {
+ UPDATE_STATE(s_chunk_size_almost_done);
+ break;
+ }
+
+ unhex_val = unhex[(unsigned char)ch];
+
+ if (unhex_val == -1) {
+ if (ch == ';' || ch == ' ') {
+ UPDATE_STATE(s_chunk_parameters);
+ break;
+ }
+
+ SET_ERRNO(HPE_INVALID_CHUNK_SIZE);
+ goto error;
+ }
+
+ t = parser->content_length;
+ t *= 16;
+ t += unhex_val;
+
+ /* Overflow? Test against a conservative limit for simplicity. */
+ if (UNLIKELY((ULLONG_MAX - 16) / 16 < parser->content_length)) {
+ SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
+ goto error;
+ }
+
+ parser->content_length = t;
+ break;
+ }
+
+ case s_chunk_parameters:
+ {
+ assert(parser->flags & F_CHUNKED);
+ /* just ignore this shit. TODO check for overflow */
+ if (ch == CR) {
+ UPDATE_STATE(s_chunk_size_almost_done);
+ break;
+ }
+ break;
+ }
+
+ case s_chunk_size_almost_done:
+ {
+ assert(parser->flags & F_CHUNKED);
+ STRICT_CHECK(ch != LF);
+
+ parser->nread = 0;
+
+ if (parser->content_length == 0) {
+ parser->flags |= F_TRAILING;
+ UPDATE_STATE(s_header_field_start);
+ } else {
+ UPDATE_STATE(s_chunk_data);
+ }
+ CALLBACK_NOTIFY(chunk_header);
+ break;
+ }
+
+ case s_chunk_data:
+ {
+ uint64_t to_read = MIN(parser->content_length,
+ (uint64_t) ((data + len) - p));
+
+ assert(parser->flags & F_CHUNKED);
+ assert(parser->content_length != 0
+ && parser->content_length != ULLONG_MAX);
+
+ /* See the explanation in s_body_identity for why the content
+ * length and data pointers are managed this way.
+ */
+ MARK(body);
+ parser->content_length -= to_read;
+ p += to_read - 1;
+
+ if (parser->content_length == 0) {
+ UPDATE_STATE(s_chunk_data_almost_done);
+ }
+
+ break;
+ }
+
+ case s_chunk_data_almost_done:
+ assert(parser->flags & F_CHUNKED);
+ assert(parser->content_length == 0);
+ STRICT_CHECK(ch != CR);
+ UPDATE_STATE(s_chunk_data_done);
+ CALLBACK_DATA(body);
+ break;
+
+ case s_chunk_data_done:
+ assert(parser->flags & F_CHUNKED);
+ STRICT_CHECK(ch != LF);
+ parser->nread = 0;
+ UPDATE_STATE(s_chunk_size_start);
+ CALLBACK_NOTIFY(chunk_complete);
+ break;
+
+ default:
+ assert(0 && "unhandled state");
+ SET_ERRNO(HPE_INVALID_INTERNAL_STATE);
+ goto error;
+ }
+ }
+
+ /* Run callbacks for any marks that we have leftover after we ran our of
+ * bytes. There should be at most one of these set, so it's OK to invoke
+ * them in series (unset marks will not result in callbacks).
+ *
+ * We use the NOADVANCE() variety of callbacks here because 'p' has already
+ * overflowed 'data' and this allows us to correct for the off-by-one that
+ * we'd otherwise have (since CALLBACK_DATA() is meant to be run with a 'p'
+ * value that's in-bounds).
+ */
+
+ assert(((header_field_mark ? 1 : 0) +
+ (header_value_mark ? 1 : 0) +
+ (url_mark ? 1 : 0) +
+ (body_mark ? 1 : 0) +
+ (status_mark ? 1 : 0)) <= 1);
+
+ CALLBACK_DATA_NOADVANCE(header_field);
+ CALLBACK_DATA_NOADVANCE(header_value);
+ CALLBACK_DATA_NOADVANCE(url);
+ CALLBACK_DATA_NOADVANCE(body);
+ CALLBACK_DATA_NOADVANCE(status);
+
+ RETURN(len);
+
+error:
+ if (HTTP_PARSER_ERRNO(parser) == HPE_OK) {
+ SET_ERRNO(HPE_UNKNOWN);
+ }
+
+ RETURN(p - data);
+}
+
+
+/* Does the parser need to see an EOF to find the end of the message? */
+int
+http_message_needs_eof (const http_parser *parser)
+{
+ if (parser->type == HTTP_REQUEST) {
+ return 0;
+ }
+
+ /* See RFC 2616 section 4.4 */
+ if (parser->status_code / 100 == 1 || /* 1xx e.g. Continue */
+ parser->status_code == 204 || /* No Content */
+ parser->status_code == 304 || /* Not Modified */
+ parser->flags & F_SKIPBODY) { /* response to a HEAD request */
+ return 0;
+ }
+
+ if ((parser->flags & F_CHUNKED) || parser->content_length != ULLONG_MAX) {
+ return 0;
+ }
+
+ return 1;
+}
+
+
+int
+http_should_keep_alive (const http_parser *parser)
+{
+ if (parser->http_major > 0 && parser->http_minor > 0) {
+ /* HTTP/1.1 */
+ if (parser->flags & F_CONNECTION_CLOSE) {
+ return 0;
+ }
+ } else {
+ /* HTTP/1.0 or earlier */
+ if (!(parser->flags & F_CONNECTION_KEEP_ALIVE)) {
+ return 0;
+ }
+ }
+
+ return !http_message_needs_eof(parser);
+}
+
+
+const char *
+http_method_str (enum http_method m)
+{
+ return ELEM_AT(method_strings, m, "<unknown>");
+}
+
+
+void
+http_parser_init (http_parser *parser, enum http_parser_type t)
+{
+ void *data = parser->data; /* preserve application data */
+ memset(parser, 0, sizeof(*parser));
+ parser->data = data;
+ parser->type = t;
+ parser->state = (t == HTTP_REQUEST ? s_start_req : (t == HTTP_RESPONSE ? s_start_res : s_start_req_or_res));
+ parser->http_errno = HPE_OK;
+}
+
+void
+http_parser_settings_init(http_parser_settings *settings)
+{
+ memset(settings, 0, sizeof(*settings));
+}
+
+const char *
+http_errno_name(enum http_errno err) {
+ assert(((size_t) err) < ARRAY_SIZE(http_strerror_tab));
+ return http_strerror_tab[err].name;
+}
+
+const char *
+http_errno_description(enum http_errno err) {
+ assert(((size_t) err) < ARRAY_SIZE(http_strerror_tab));
+ return http_strerror_tab[err].description;
+}
+
+static enum http_host_state
+http_parse_host_char(enum http_host_state s, const char ch) {
+ switch(s) {
+ case s_http_userinfo:
+ case s_http_userinfo_start:
+ if (ch == '@') {
+ return s_http_host_start;
+ }
+
+ if (IS_USERINFO_CHAR(ch)) {
+ return s_http_userinfo;
+ }
+ break;
+
+ case s_http_host_start:
+ if (ch == '[') {
+ return s_http_host_v6_start;
+ }
+
+ if (IS_HOST_CHAR(ch)) {
+ return s_http_host;
+ }
+
+ break;
+
+ case s_http_host:
+ if (IS_HOST_CHAR(ch)) {
+ return s_http_host;
+ }
+
+ /* FALLTHROUGH */
+ case s_http_host_v6_end:
+ if (ch == ':') {
+ return s_http_host_port_start;
+ }
+
+ break;
+
+ case s_http_host_v6:
+ if (ch == ']') {
+ return s_http_host_v6_end;
+ }
+
+ /* FALLTHROUGH */
+ case s_http_host_v6_start:
+ if (IS_HEX(ch) || ch == ':' || ch == '.') {
+ return s_http_host_v6;
+ }
+
+ if (s == s_http_host_v6 && ch == '%') {
+ return s_http_host_v6_zone_start;
+ }
+ break;
+
+ case s_http_host_v6_zone:
+ if (ch == ']') {
+ return s_http_host_v6_end;
+ }
+
+ /* FALLTHROUGH */
+ case s_http_host_v6_zone_start:
+ /* RFC 6874 Zone ID consists of 1*( unreserved / pct-encoded) */
+ if (IS_ALPHANUM(ch) || ch == '%' || ch == '.' || ch == '-' || ch == '_' ||
+ ch == '~') {
+ return s_http_host_v6_zone;
+ }
+ break;
+
+ case s_http_host_port:
+ case s_http_host_port_start:
+ if (IS_NUM(ch)) {
+ return s_http_host_port;
+ }
+
+ break;
+
+ default:
+ break;
+ }
+ return s_http_host_dead;
+}
+
+static int
+http_parse_host(const char * buf, struct http_parser_url *u, int found_at) {
+ enum http_host_state s;
+
+ const char *p;
+ size_t buflen = u->field_data[UF_HOST].off + u->field_data[UF_HOST].len;
+
+ assert(u->field_set & (1 << UF_HOST));
+
+ u->field_data[UF_HOST].len = 0;
+
+ s = found_at ? s_http_userinfo_start : s_http_host_start;
+
+ for (p = buf + u->field_data[UF_HOST].off; p < buf + buflen; p++) {
+ enum http_host_state new_s = http_parse_host_char(s, *p);
+
+ if (new_s == s_http_host_dead) {
+ return 1;
+ }
+
+ switch(new_s) {
+ case s_http_host:
+ if (s != s_http_host) {
+ u->field_data[UF_HOST].off = p - buf;
+ }
+ u->field_data[UF_HOST].len++;
+ break;
+
+ case s_http_host_v6:
+ if (s != s_http_host_v6) {
+ u->field_data[UF_HOST].off = p - buf;
+ }
+ u->field_data[UF_HOST].len++;
+ break;
+
+ case s_http_host_v6_zone_start:
+ case s_http_host_v6_zone:
+ u->field_data[UF_HOST].len++;
+ break;
+
+ case s_http_host_port:
+ if (s != s_http_host_port) {
+ u->field_data[UF_PORT].off = p - buf;
+ u->field_data[UF_PORT].len = 0;
+ u->field_set |= (1 << UF_PORT);
+ }
+ u->field_data[UF_PORT].len++;
+ break;
+
+ case s_http_userinfo:
+ if (s != s_http_userinfo) {
+ u->field_data[UF_USERINFO].off = p - buf ;
+ u->field_data[UF_USERINFO].len = 0;
+ u->field_set |= (1 << UF_USERINFO);
+ }
+ u->field_data[UF_USERINFO].len++;
+ break;
+
+ default:
+ break;
+ }
+ s = new_s;
+ }
+
+ /* Make sure we don't end somewhere unexpected */
+ switch (s) {
+ case s_http_host_start:
+ case s_http_host_v6_start:
+ case s_http_host_v6:
+ case s_http_host_v6_zone_start:
+ case s_http_host_v6_zone:
+ case s_http_host_port_start:
+ case s_http_userinfo:
+ case s_http_userinfo_start:
+ return 1;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+void
+http_parser_url_init(struct http_parser_url *u) {
+ memset(u, 0, sizeof(*u));
+}
+
+int
+http_parser_parse_url(const char *buf, size_t buflen, int is_connect,
+ struct http_parser_url *u)
+{
+ enum state s;
+ const char *p;
+ enum http_parser_url_fields uf, old_uf;
+ int found_at = 0;
+
+ u->port = u->field_set = 0;
+ s = is_connect ? s_req_server_start : s_req_spaces_before_url;
+ old_uf = UF_MAX;
+
+ for (p = buf; p < buf + buflen; p++) {
+ s = parse_url_char(s, *p);
+
+ /* Figure out the next field that we're operating on */
+ switch (s) {
+ case s_dead:
+ return 1;
+
+ /* Skip delimeters */
+ case s_req_schema_slash:
+ case s_req_schema_slash_slash:
+ case s_req_server_start:
+ case s_req_query_string_start:
+ case s_req_fragment_start:
+ continue;
+
+ case s_req_schema:
+ uf = UF_SCHEMA;
+ break;
+
+ case s_req_server_with_at:
+ found_at = 1;
+
+ /* FALLTROUGH */
+ case s_req_server:
+ uf = UF_HOST;
+ break;
+
+ case s_req_path:
+ uf = UF_PATH;
+ break;
+
+ case s_req_query_string:
+ uf = UF_QUERY;
+ break;
+
+ case s_req_fragment:
+ uf = UF_FRAGMENT;
+ break;
+
+ default:
+ assert(!"Unexpected state");
+ return 1;
+ }
+
+ /* Nothing's changed; soldier on */
+ if (uf == old_uf) {
+ u->field_data[uf].len++;
+ continue;
+ }
+
+ u->field_data[uf].off = p - buf;
+ u->field_data[uf].len = 1;
+
+ u->field_set |= (1 << uf);
+ old_uf = uf;
+ }
+
+ /* host must be present if there is a schema */
+ /* parsing http:///toto will fail */
+ if ((u->field_set & (1 << UF_SCHEMA)) &&
+ (u->field_set & (1 << UF_HOST)) == 0) {
+ return 1;
+ }
+
+ if (u->field_set & (1 << UF_HOST)) {
+ if (http_parse_host(buf, u, found_at) != 0) {
+ return 1;
+ }
+ }
+
+ /* CONNECT requests can only contain "hostname:port" */
+ if (is_connect && u->field_set != ((1 << UF_HOST)|(1 << UF_PORT))) {
+ return 1;
+ }
+
+ if (u->field_set & (1 << UF_PORT)) {
+ /* Don't bother with endp; we've already validated the string */
+ unsigned long v = strtoul(buf + u->field_data[UF_PORT].off, NULL, 10);
+
+ /* Ports have a max value of 2^16 */
+ if (v > 0xffff) {
+ return 1;
+ }
+
+ u->port = (uint16_t) v;
+ }
+
+ return 0;
+}
+
+void
+http_parser_pause(http_parser *parser, int paused) {
+ /* Users should only be pausing/unpausing a parser that is not in an error
+ * state. In non-debug builds, there's not much that we can do about this
+ * other than ignore it.
+ */
+ if (HTTP_PARSER_ERRNO(parser) == HPE_OK ||
+ HTTP_PARSER_ERRNO(parser) == HPE_PAUSED) {
+ SET_ERRNO((paused) ? HPE_PAUSED : HPE_OK);
+ } else {
+ assert(0 && "Attempting to pause parser in error state");
+ }
+}
+
+int
+http_body_is_final(const struct http_parser *parser) {
+ return parser->state == s_message_done;
+}
+
+unsigned long
+http_parser_version(void) {
+ return HTTP_PARSER_VERSION_MAJOR * 0x10000 |
+ HTTP_PARSER_VERSION_MINOR * 0x00100 |
+ HTTP_PARSER_VERSION_PATCH * 0x00001;
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/http_parser/http_parser.h Wed Feb 15 21:57:31 2017 +0100
@@ -0,0 +1,432 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+#ifndef http_parser_h
+#define http_parser_h
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Also update SONAME in the Makefile whenever you change these. */
+#define HTTP_PARSER_VERSION_MAJOR 2
+#define HTTP_PARSER_VERSION_MINOR 7
+#define HTTP_PARSER_VERSION_PATCH 1
+
+#include <sys/types.h>
+#if defined(_WIN32) && !defined(__MINGW32__) && \
+ (!defined(_MSC_VER) || _MSC_VER<1600) && !defined(__WINE__)
+#include <BaseTsd.h>
+#include <stddef.h>
+typedef __int8 int8_t;
+typedef unsigned __int8 uint8_t;
+typedef __int16 int16_t;
+typedef unsigned __int16 uint16_t;
+typedef __int32 int32_t;
+typedef unsigned __int32 uint32_t;
+typedef __int64 int64_t;
+typedef unsigned __int64 uint64_t;
+#else
+#include <stdint.h>
+#endif
+
+/* Compile with -DHTTP_PARSER_STRICT=0 to make less checks, but run
+ * faster
+ */
+#ifndef HTTP_PARSER_STRICT
+# define HTTP_PARSER_STRICT 1
+#endif
+
+/* Maximium header size allowed. If the macro is not defined
+ * before including this header then the default is used. To
+ * change the maximum header size, define the macro in the build
+ * environment (e.g. -DHTTP_MAX_HEADER_SIZE=<value>). To remove
+ * the effective limit on the size of the header, define the macro
+ * to a very large number (e.g. -DHTTP_MAX_HEADER_SIZE=0x7fffffff)
+ */
+#ifndef HTTP_MAX_HEADER_SIZE
+# define HTTP_MAX_HEADER_SIZE (80*1024)
+#endif
+
+typedef struct http_parser http_parser;
+typedef struct http_parser_settings http_parser_settings;
+
+
+/* Callbacks should return non-zero to indicate an error. The parser will
+ * then halt execution.
+ *
+ * The one exception is on_headers_complete. In a HTTP_RESPONSE parser
+ * returning '1' from on_headers_complete will tell the parser that it
+ * should not expect a body. This is used when receiving a response to a
+ * HEAD request which may contain 'Content-Length' or 'Transfer-Encoding:
+ * chunked' headers that indicate the presence of a body.
+ *
+ * Returning `2` from on_headers_complete will tell parser that it should not
+ * expect neither a body nor any futher responses on this connection. This is
+ * useful for handling responses to a CONNECT request which may not contain
+ * `Upgrade` or `Connection: upgrade` headers.
+ *
+ * http_data_cb does not return data chunks. It will be called arbitrarily
+ * many times for each string. E.G. you might get 10 callbacks for "on_url"
+ * each providing just a few characters more data.
+ */
+typedef int (*http_data_cb) (http_parser*, const char *at, size_t length);
+typedef int (*http_cb) (http_parser*);
+
+
+/* Status Codes */
+#define HTTP_STATUS_MAP(XX) \
+ XX(100, CONTINUE, Continue) \
+ XX(101, SWITCHING_PROTOCOLS, Switching Protocols) \
+ XX(102, PROCESSING, Processing) \
+ XX(200, OK, OK) \
+ XX(201, CREATED, Created) \
+ XX(202, ACCEPTED, Accepted) \
+ XX(203, NON_AUTHORITATIVE_INFORMATION, Non-Authoritative Information) \
+ XX(204, NO_CONTENT, No Content) \
+ XX(205, RESET_CONTENT, Reset Content) \
+ XX(206, PARTIAL_CONTENT, Partial Content) \
+ XX(207, MULTI_STATUS, Multi-Status) \
+ XX(208, ALREADY_REPORTED, Already Reported) \
+ XX(226, IM_USED, IM Used) \
+ XX(300, MULTIPLE_CHOICES, Multiple Choices) \
+ XX(301, MOVED_PERMANENTLY, Moved Permanently) \
+ XX(302, FOUND, Found) \
+ XX(303, SEE_OTHER, See Other) \
+ XX(304, NOT_MODIFIED, Not Modified) \
+ XX(305, USE_PROXY, Use Proxy) \
+ XX(307, TEMPORARY_REDIRECT, Temporary Redirect) \
+ XX(308, PERMANENT_REDIRECT, Permanent Redirect) \
+ XX(400, BAD_REQUEST, Bad Request) \
+ XX(401, UNAUTHORIZED, Unauthorized) \
+ XX(402, PAYMENT_REQUIRED, Payment Required) \
+ XX(403, FORBIDDEN, Forbidden) \
+ XX(404, NOT_FOUND, Not Found) \
+ XX(405, METHOD_NOT_ALLOWED, Method Not Allowed) \
+ XX(406, NOT_ACCEPTABLE, Not Acceptable) \
+ XX(407, PROXY_AUTHENTICATION_REQUIRED, Proxy Authentication Required) \
+ XX(408, REQUEST_TIMEOUT, Request Timeout) \
+ XX(409, CONFLICT, Conflict) \
+ XX(410, GONE, Gone) \
+ XX(411, LENGTH_REQUIRED, Length Required) \
+ XX(412, PRECONDITION_FAILED, Precondition Failed) \
+ XX(413, PAYLOAD_TOO_LARGE, Payload Too Large) \
+ XX(414, URI_TOO_LONG, URI Too Long) \
+ XX(415, UNSUPPORTED_MEDIA_TYPE, Unsupported Media Type) \
+ XX(416, RANGE_NOT_SATISFIABLE, Range Not Satisfiable) \
+ XX(417, EXPECTATION_FAILED, Expectation Failed) \
+ XX(421, MISDIRECTED_REQUEST, Misdirected Request) \
+ XX(422, UNPROCESSABLE_ENTITY, Unprocessable Entity) \
+ XX(423, LOCKED, Locked) \
+ XX(424, FAILED_DEPENDENCY, Failed Dependency) \
+ XX(426, UPGRADE_REQUIRED, Upgrade Required) \
+ XX(428, PRECONDITION_REQUIRED, Precondition Required) \
+ XX(429, TOO_MANY_REQUESTS, Too Many Requests) \
+ XX(431, REQUEST_HEADER_FIELDS_TOO_LARGE, Request Header Fields Too Large) \
+ XX(451, UNAVAILABLE_FOR_LEGAL_REASONS, Unavailable For Legal Reasons) \
+ XX(500, INTERNAL_SERVER_ERROR, Internal Server Error) \
+ XX(501, NOT_IMPLEMENTED, Not Implemented) \
+ XX(502, BAD_GATEWAY, Bad Gateway) \
+ XX(503, SERVICE_UNAVAILABLE, Service Unavailable) \
+ XX(504, GATEWAY_TIMEOUT, Gateway Timeout) \
+ XX(505, HTTP_VERSION_NOT_SUPPORTED, HTTP Version Not Supported) \
+ XX(506, VARIANT_ALSO_NEGOTIATES, Variant Also Negotiates) \
+ XX(507, INSUFFICIENT_STORAGE, Insufficient Storage) \
+ XX(508, LOOP_DETECTED, Loop Detected) \
+ XX(510, NOT_EXTENDED, Not Extended) \
+ XX(511, NETWORK_AUTHENTICATION_REQUIRED, Network Authentication Required) \
+
+enum http_status
+ {
+#define XX(num, name, string) HTTP_STATUS_##name = num,
+ HTTP_STATUS_MAP(XX)
+#undef XX
+ };
+
+
+/* Request Methods */
+#define HTTP_METHOD_MAP(XX) \
+ XX(0, DELETE, DELETE) \
+ XX(1, GET, GET) \
+ XX(2, HEAD, HEAD) \
+ XX(3, POST, POST) \
+ XX(4, PUT, PUT) \
+ /* pathological */ \
+ XX(5, CONNECT, CONNECT) \
+ XX(6, OPTIONS, OPTIONS) \
+ XX(7, TRACE, TRACE) \
+ /* WebDAV */ \
+ XX(8, COPY, COPY) \
+ XX(9, LOCK, LOCK) \
+ XX(10, MKCOL, MKCOL) \
+ XX(11, MOVE, MOVE) \
+ XX(12, PROPFIND, PROPFIND) \
+ XX(13, PROPPATCH, PROPPATCH) \
+ XX(14, SEARCH, SEARCH) \
+ XX(15, UNLOCK, UNLOCK) \
+ XX(16, BIND, BIND) \
+ XX(17, REBIND, REBIND) \
+ XX(18, UNBIND, UNBIND) \
+ XX(19, ACL, ACL) \
+ /* subversion */ \
+ XX(20, REPORT, REPORT) \
+ XX(21, MKACTIVITY, MKACTIVITY) \
+ XX(22, CHECKOUT, CHECKOUT) \
+ XX(23, MERGE, MERGE) \
+ /* upnp */ \
+ XX(24, MSEARCH, M-SEARCH) \
+ XX(25, NOTIFY, NOTIFY) \
+ XX(26, SUBSCRIBE, SUBSCRIBE) \
+ XX(27, UNSUBSCRIBE, UNSUBSCRIBE) \
+ /* RFC-5789 */ \
+ XX(28, PATCH, PATCH) \
+ XX(29, PURGE, PURGE) \
+ /* CalDAV */ \
+ XX(30, MKCALENDAR, MKCALENDAR) \
+ /* RFC-2068, section 19.6.1.2 */ \
+ XX(31, LINK, LINK) \
+ XX(32, UNLINK, UNLINK) \
+
+enum http_method
+ {
+#define XX(num, name, string) HTTP_##name = num,
+ HTTP_METHOD_MAP(XX)
+#undef XX
+ };
+
+
+enum http_parser_type { HTTP_REQUEST, HTTP_RESPONSE, HTTP_BOTH };
+
+
+/* Flag values for http_parser.flags field */
+enum flags
+ { F_CHUNKED = 1 << 0
+ , F_CONNECTION_KEEP_ALIVE = 1 << 1
+ , F_CONNECTION_CLOSE = 1 << 2
+ , F_CONNECTION_UPGRADE = 1 << 3
+ , F_TRAILING = 1 << 4
+ , F_UPGRADE = 1 << 5
+ , F_SKIPBODY = 1 << 6
+ , F_CONTENTLENGTH = 1 << 7
+ };
+
+
+/* Map for errno-related constants
+ *
+ * The provided argument should be a macro that takes 2 arguments.
+ */
+#define HTTP_ERRNO_MAP(XX) \
+ /* No error */ \
+ XX(OK, "success") \
+ \
+ /* Callback-related errors */ \
+ XX(CB_message_begin, "the on_message_begin callback failed") \
+ XX(CB_url, "the on_url callback failed") \
+ XX(CB_header_field, "the on_header_field callback failed") \
+ XX(CB_header_value, "the on_header_value callback failed") \
+ XX(CB_headers_complete, "the on_headers_complete callback failed") \
+ XX(CB_body, "the on_body callback failed") \
+ XX(CB_message_complete, "the on_message_complete callback failed") \
+ XX(CB_status, "the on_status callback failed") \
+ XX(CB_chunk_header, "the on_chunk_header callback failed") \
+ XX(CB_chunk_complete, "the on_chunk_complete callback failed") \
+ \
+ /* Parsing-related errors */ \
+ XX(INVALID_EOF_STATE, "stream ended at an unexpected time") \
+ XX(HEADER_OVERFLOW, \
+ "too many header bytes seen; overflow detected") \
+ XX(CLOSED_CONNECTION, \
+ "data received after completed connection: close message") \
+ XX(INVALID_VERSION, "invalid HTTP version") \
+ XX(INVALID_STATUS, "invalid HTTP status code") \
+ XX(INVALID_METHOD, "invalid HTTP method") \
+ XX(INVALID_URL, "invalid URL") \
+ XX(INVALID_HOST, "invalid host") \
+ XX(INVALID_PORT, "invalid port") \
+ XX(INVALID_PATH, "invalid path") \
+ XX(INVALID_QUERY_STRING, "invalid query string") \
+ XX(INVALID_FRAGMENT, "invalid fragment") \
+ XX(LF_EXPECTED, "LF character expected") \
+ XX(INVALID_HEADER_TOKEN, "invalid character in header") \
+ XX(INVALID_CONTENT_LENGTH, \
+ "invalid character in content-length header") \
+ XX(UNEXPECTED_CONTENT_LENGTH, \
+ "unexpected content-length header") \
+ XX(INVALID_CHUNK_SIZE, \
+ "invalid character in chunk size header") \
+ XX(INVALID_CONSTANT, "invalid constant string") \
+ XX(INVALID_INTERNAL_STATE, "encountered unexpected internal state")\
+ XX(STRICT, "strict mode assertion failed") \
+ XX(PAUSED, "parser is paused") \
+ XX(UNKNOWN, "an unknown error occurred")
+
+
+/* Define HPE_* values for each errno value above */
+#define HTTP_ERRNO_GEN(n, s) HPE_##n,
+enum http_errno {
+ HTTP_ERRNO_MAP(HTTP_ERRNO_GEN)
+};
+#undef HTTP_ERRNO_GEN
+
+
+/* Get an http_errno value from an http_parser */
+#define HTTP_PARSER_ERRNO(p) ((enum http_errno) (p)->http_errno)
+
+
+struct http_parser {
+ /** PRIVATE **/
+ unsigned int type : 2; /* enum http_parser_type */
+ unsigned int flags : 8; /* F_* values from 'flags' enum; semi-public */
+ unsigned int state : 7; /* enum state from http_parser.c */
+ unsigned int header_state : 7; /* enum header_state from http_parser.c */
+ unsigned int index : 7; /* index into current matcher */
+ unsigned int lenient_http_headers : 1;
+
+ uint32_t nread; /* # bytes read in various scenarios */
+ uint64_t content_length; /* # bytes in body (0 if no Content-Length header) */
+
+ /** READ-ONLY **/
+ unsigned short http_major;
+ unsigned short http_minor;
+ unsigned int status_code : 16; /* responses only */
+ unsigned int method : 8; /* requests only */
+ unsigned int http_errno : 7;
+
+ /* 1 = Upgrade header was present and the parser has exited because of that.
+ * 0 = No upgrade header present.
+ * Should be checked when http_parser_execute() returns in addition to
+ * error checking.
+ */
+ unsigned int upgrade : 1;
+
+ /** PUBLIC **/
+ void *data; /* A pointer to get hook to the "connection" or "socket" object */
+};
+
+
+struct http_parser_settings {
+ http_cb on_message_begin;
+ http_data_cb on_url;
+ http_data_cb on_status;
+ http_data_cb on_header_field;
+ http_data_cb on_header_value;
+ http_cb on_headers_complete;
+ http_data_cb on_body;
+ http_cb on_message_complete;
+ /* When on_chunk_header is called, the current chunk length is stored
+ * in parser->content_length.
+ */
+ http_cb on_chunk_header;
+ http_cb on_chunk_complete;
+};
+
+
+enum http_parser_url_fields
+ { UF_SCHEMA = 0
+ , UF_HOST = 1
+ , UF_PORT = 2
+ , UF_PATH = 3
+ , UF_QUERY = 4
+ , UF_FRAGMENT = 5
+ , UF_USERINFO = 6
+ , UF_MAX = 7
+ };
+
+
+/* Result structure for http_parser_parse_url().
+ *
+ * Callers should index into field_data[] with UF_* values iff field_set
+ * has the relevant (1 << UF_*) bit set. As a courtesy to clients (and
+ * because we probably have padding left over), we convert any port to
+ * a uint16_t.
+ */
+struct http_parser_url {
+ uint16_t field_set; /* Bitmask of (1 << UF_*) values */
+ uint16_t port; /* Converted UF_PORT string */
+
+ struct {
+ uint16_t off; /* Offset into buffer in which field starts */
+ uint16_t len; /* Length of run in buffer */
+ } field_data[UF_MAX];
+};
+
+
+/* Returns the library version. Bits 16-23 contain the major version number,
+ * bits 8-15 the minor version number and bits 0-7 the patch level.
+ * Usage example:
+ *
+ * unsigned long version = http_parser_version();
+ * unsigned major = (version >> 16) & 255;
+ * unsigned minor = (version >> 8) & 255;
+ * unsigned patch = version & 255;
+ * printf("http_parser v%u.%u.%u\n", major, minor, patch);
+ */
+unsigned long http_parser_version(void);
+
+void http_parser_init(http_parser *parser, enum http_parser_type type);
+
+
+/* Initialize http_parser_settings members to 0
+ */
+void http_parser_settings_init(http_parser_settings *settings);
+
+
+/* Executes the parser. Returns number of parsed bytes. Sets
+ * `parser->http_errno` on error. */
+size_t http_parser_execute(http_parser *parser,
+ const http_parser_settings *settings,
+ const char *data,
+ size_t len);
+
+
+/* If http_should_keep_alive() in the on_headers_complete or
+ * on_message_complete callback returns 0, then this should be
+ * the last message on the connection.
+ * If you are the server, respond with the "Connection: close" header.
+ * If you are the client, close the connection.
+ */
+int http_should_keep_alive(const http_parser *parser);
+
+/* Returns a string version of the HTTP method. */
+const char *http_method_str(enum http_method m);
+
+/* Return a string name of the given error */
+const char *http_errno_name(enum http_errno err);
+
+/* Return a string description of the given error */
+const char *http_errno_description(enum http_errno err);
+
+/* Initialize all http_parser_url members to 0 */
+void http_parser_url_init(struct http_parser_url *u);
+
+/* Parse a URL; return nonzero on failure */
+int http_parser_parse_url(const char *buf, size_t buflen,
+ int is_connect,
+ struct http_parser_url *u);
+
+/* Pause or un-pause the parser; a nonzero value pauses */
+void http_parser_pause(http_parser *parser, int paused);
+
+/* Checks if this is the final chunk of the body. */
+int http_body_is_final(const http_parser *parser);
+
+#ifdef __cplusplus
+}
+#endif
+#endif
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Wed Feb 15 21:57:31 2017 +0100 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#269f58d75b752a4e67a6a2d8c5c698635ffd6752
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_app.json Wed Feb 15 21:57:31 2017 +0100
@@ -0,0 +1,55 @@
+{
+ "config": {
+ "network-interface":{
+ "help": "options are ETHERNET,WIFI_ESP8266,MESH_LOWPAN_ND,MESH_THREAD",
+ "value": "ETHERNET"
+ },
+ "mesh_radio_type": {
+ "help": "options are ATMEL, MCR20",
+ "value": "ATMEL"
+ },
+ "esp8266-tx": {
+ "help": "Pin used as TX (connects to ESP8266 RX)",
+ "value": "D1"
+ },
+ "esp8266-rx": {
+ "help": "Pin used as RX (connects to ESP8266 TX)",
+ "value": "D0"
+ },
+ "esp8266-debug": {
+ "value": false
+ },
+ "wifi-ssid": {
+ "value": "\"SSID\""
+ },
+ "wifi-password": {
+ "value": "\"Password\""
+ },
+ "http-buffer-size": {
+ "help": "Size of the HTTP receive buffer in bytes",
+ "value": 8096,
+ "macro_name": "HTTP_RECEIVE_BUFFER_SIZE"
+ }
+ },
+ "macros": [ "MBEDTLS_USER_CONFIG_FILE=\"mbedtls_entropy_config.h\"", "MBEDTLS_TEST_NULL_ENTROPY", "MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES" ],
+ "target_overrides": {
+ "*": {
+ "target.features_add": ["NANOSTACK", "LOWPAN_ROUTER", "COMMON_PAL"],
+ "mbed-mesh-api.6lowpan-nd-channel-page": 0,
+ "mbed-mesh-api.6lowpan-nd-channel": 12,
+ "mbed-trace.enable": 0
+ },
+ "HEXIWEAR": {
+ "esp8266-tx": "PTD3",
+ "esp8266-rx": "PTD2"
+ },
+ "NUCLEO_F401RE": {
+ "esp8266-tx": "D8",
+ "esp8266-rx": "D2"
+ },
+ "NUCLEO_F411RE": {
+ "esp8266-tx": "D8",
+ "esp8266-rx": "D2"
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbedtls_entropy_config.h Wed Feb 15 21:57:31 2017 +0100 @@ -0,0 +1,52 @@ +/* + * Copyright (C) 2006-2016, ARM Limited, All Rights Reserved + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * This file is part of mbed TLS (https://tls.mbed.org) + */ + +#include "select-demo.h" + +#if DEMO == DEMO_HTTPS + +/* Enable entropy for K64F and K22F. This means entropy is disabled for all other targets. */ +/* Do **NOT** deploy this code in production on other targets! */ +/* See https://tls.mbed.org/kb/how-to/add-entropy-sources-to-entropy-pool */ +#if defined(TARGET_K64F) || defined(TARGET_K22F) +#undef MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES +#undef MBEDTLS_TEST_NULL_ENTROPY +#endif + +#if !defined(MBEDTLS_ENTROPY_HARDWARE_ALT) && \ + !defined(MBEDTLS_ENTROPY_NV_SEED) && !defined(MBEDTLS_TEST_NULL_ENTROPY) +#error "This hardware does not have an entropy source." +#endif /* !MBEDTLS_ENTROPY_HARDWARE_ALT && !MBEDTLS_ENTROPY_NV_SEED && + * !MBEDTLS_TEST_NULL_ENTROPY */ + +#if !defined(MBEDTLS_SHA1_C) +#define MBEDTLS_SHA1_C +#endif /* !MBEDTLS_SHA1_C */ + +/* + * This value is sufficient for handling 2048 bit RSA keys. + * + * Set this value higher to enable handling larger keys, but be aware that this + * will increase the stack usage. + */ +#define MBEDTLS_MPI_MAX_SIZE 256 + +#define MBEDTLS_MPI_WINDOW_SIZE 1 + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/source/main-http.cpp Wed Feb 15 21:57:31 2017 +0100
@@ -0,0 +1,67 @@
+#include "select-demo.h"
+
+#if DEMO == DEMO_HTTP
+
+#include "mbed.h"
+#include "easy-connect.h"
+#include "http_request.h"
+
+Serial pc(USBTX, USBRX);
+
+void dump_response(HttpResponse* res) {
+ printf("Status: %d - %s\n", res->get_status_code(), res->get_status_message().c_str());
+
+ printf("Headers:\n");
+ for (size_t ix = 0; ix < res->get_headers_length(); ix++) {
+ printf("\t%s: %s\n", res->get_headers_fields()[ix].c_str(), res->get_headers_values()[ix].c_str());
+ }
+ printf("\nBody:\n\n%s\n", res->get_body().c_str());
+}
+
+int main() {
+ pc.baud(115200);
+ // Connect to the network (see mbed_app.json for the connectivity method used)
+ NetworkInterface *network = easy_connect(true);
+ if (!network) {
+ printf("Cannot connect to the network, see serial output");
+ return 1;
+ }
+
+ // Do a GET request to httpbin.org
+ HttpRequest get_req(network, HTTP_GET, "http://httpbin.org/status/418");
+
+ // By default the body is automatically parsed and stored in a string, this is memory heavy.
+ // To receive chunked response, pass in a callback as third parameter to 'send'.
+ HttpResponse* get_res = get_req.send();
+ if (!get_res) {
+ printf("HttpRequest failed (error code %d)\n", get_req.get_error());
+ return 1;
+ }
+
+ printf("\n----- HTTP GET response -----\n");
+ dump_response(get_res);
+
+ delete get_res;
+
+ // POST request to httpbin.org
+ HttpRequest post_req(network, HTTP_POST, "http://httpbin.org/post");
+ post_req.set_header("Content-Type", "application/json");
+
+ const char body[] = "{\"hello\":\"world\"}";
+
+ HttpResponse* post_res = post_req.send(body, strlen(body));
+ if (!post_res) {
+ printf("HttpRequest failed (error code %d)\n", post_req.get_error());
+ return 1;
+ }
+
+ printf("\n----- HTTP POST response -----\n");
+ dump_response(post_res);
+
+ delete post_res;
+
+
+ Thread::wait(osWaitForever);
+}
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/source/main-https.cpp Wed Feb 15 21:57:31 2017 +0100
@@ -0,0 +1,72 @@
+#include "select-demo.h"
+
+#if DEMO == DEMO_HTTPS
+
+#include "mbed.h"
+#include "easy-connect.h"
+#include "https_request.h"
+
+Serial pc(USBTX, USBRX);
+
+/* List of trusted root CA certificates
+ * currently only GlobalSign, the CA for developer.mbed.org
+ *
+ * To add more than one root, just concatenate them.
+ */
+const char SSL_CA_PEM[] = "-----BEGIN CERTIFICATE-----\n"
+ "MIIDdTCCAl2gAwIBAgILBAAAAAABFUtaw5QwDQYJKoZIhvcNAQEFBQAwVzELMAkG\n"
+ "A1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExEDAOBgNVBAsTB1Jv\n"
+ "b3QgQ0ExGzAZBgNVBAMTEkdsb2JhbFNpZ24gUm9vdCBDQTAeFw05ODA5MDExMjAw\n"
+ "MDBaFw0yODAxMjgxMjAwMDBaMFcxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9i\n"
+ "YWxTaWduIG52LXNhMRAwDgYDVQQLEwdSb290IENBMRswGQYDVQQDExJHbG9iYWxT\n"
+ "aWduIFJvb3QgQ0EwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDaDuaZ\n"
+ "jc6j40+Kfvvxi4Mla+pIH/EqsLmVEQS98GPR4mdmzxzdzxtIK+6NiY6arymAZavp\n"
+ "xy0Sy6scTHAHoT0KMM0VjU/43dSMUBUc71DuxC73/OlS8pF94G3VNTCOXkNz8kHp\n"
+ "1Wrjsok6Vjk4bwY8iGlbKk3Fp1S4bInMm/k8yuX9ifUSPJJ4ltbcdG6TRGHRjcdG\n"
+ "snUOhugZitVtbNV4FpWi6cgKOOvyJBNPc1STE4U6G7weNLWLBYy5d4ux2x8gkasJ\n"
+ "U26Qzns3dLlwR5EiUWMWea6xrkEmCMgZK9FGqkjWZCrXgzT/LCrBbBlDSgeF59N8\n"
+ "9iFo7+ryUp9/k5DPAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMBAf8E\n"
+ "BTADAQH/MB0GA1UdDgQWBBRge2YaRQ2XyolQL30EzTSo//z9SzANBgkqhkiG9w0B\n"
+ "AQUFAAOCAQEA1nPnfE920I2/7LqivjTFKDK1fPxsnCwrvQmeU79rXqoRSLblCKOz\n"
+ "yj1hTdNGCbM+w6DjY1Ub8rrvrTnhQ7k4o+YviiY776BQVvnGCv04zcQLcFGUl5gE\n"
+ "38NflNUVyRRBnMRddWQVDf9VMOyGj/8N7yy5Y0b2qvzfvGn9LhJIZJrglfCm7ymP\n"
+ "AbEVtQwdpf5pLGkkeB6zpxxxYu7KyJesF12KwvhHhm4qxFYxldBniYUr+WymXUad\n"
+ "DKqC5JlR3XC321Y9YeRq4VzW9v493kHMB65jUr9TU/Qr6cf9tveCX4XSQRjbgbME\n"
+ "HMUfpIBvFSDJ3gyICh3WZlXi/EjJKSZp4A==\n"
+ "-----END CERTIFICATE-----\n";
+
+void dump_response(HttpResponse* res) {
+ mbedtls_printf("Status: %d - %s\n", res->get_status_code(), res->get_status_message().c_str());
+
+ mbedtls_printf("Headers:\n");
+ for (size_t ix = 0; ix < res->get_headers_length(); ix++) {
+ mbedtls_printf("\t%s: %s\n", res->get_headers_fields()[ix].c_str(), res->get_headers_values()[ix].c_str());
+ }
+ mbedtls_printf("\nBody:\n\n%s\n", res->get_body().c_str());
+}
+
+int main() {
+ pc.baud(115200);
+
+ NetworkInterface* network = easy_connect(true);
+ if (!network) {
+ return 1;
+ }
+
+ // @todo: when I declare this on the stack we hard fault (run out of memory??)
+ HttpsRequest* req = new HttpsRequest(network, SSL_CA_PEM, HTTP_GET, "https://developer.mbed.org/media/uploads/mbed_official/hello.txt");
+ req->set_debug(true);
+ HttpResponse* response = req->send();
+ if (!response) {
+ printf("HttpRequest failed (error code %d)\n", req->get_error());
+ return 1;
+ }
+ printf("\n----- HTTPS GET response -----\n");
+ dump_response(response);
+
+ delete req;
+
+ Thread::wait(osWaitForever);
+}
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/source/select-demo.h Wed Feb 15 21:57:31 2017 +0100 @@ -0,0 +1,9 @@ +#ifndef _SELECT_METHOD_H_ +#define _SELECT_METHOD_H_ + +#define DEMO_HTTP 1 +#define DEMO_HTTPS 2 + +#define DEMO DEMO_HTTPS + +#endif // _SELECT_METHOD_H_