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authoripknHama <ipknhama@gmail.com>2016-09-21 23:11:06 +0900
committeripknHama <ipknhama@gmail.com>2016-09-21 23:11:06 +0900
commit3081e4e1a82a4efd8feff68850c4cc04af230cd7 (patch)
tree3ad16ef2e940abd2d47c4ac3ca224365387b7f37 /include/http_parser_merged.h
parent8b04940d2f28290451db439ad29155a0b8771ba3 (diff)
downloadcrow-3081e4e1a82a4efd8feff68850c4cc04af230cd7.tar.gz
crow-3081e4e1a82a4efd8feff68850c4cc04af230cd7.zip
Cleanup include folder into crow subfolder
- only crow.h is exposed now
Diffstat (limited to 'include/http_parser_merged.h')
-rw-r--r--include/http_parser_merged.h2640
1 files changed, 0 insertions, 2640 deletions
diff --git a/include/http_parser_merged.h b/include/http_parser_merged.h
deleted file mode 100644
index 2a10252..0000000
--- a/include/http_parser_merged.h
+++ /dev/null
@@ -1,2640 +0,0 @@
-/* merged revision: 5b951d74bd66ec9d38448e0a85b1cf8b85d97db3 */
-/* 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 CROW_http_parser_h
-#define CROW_http_parser_h
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Also update SONAME in the Makefile whenever you change these. */
-#define CROW_HTTP_PARSER_VERSION_MAJOR 2
-#define CROW_HTTP_PARSER_VERSION_MINOR 3
-#define CROW_HTTP_PARSER_VERSION_PATCH 0
-
-#include <sys/types.h>
-#if defined(_WIN32) && !defined(__MINGW32__) && (!defined(_MSC_VER) || _MSC_VER<1600)
-#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 CROW_HTTP_PARSER_STRICT
-# define CROW_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 CROW_HTTP_MAX_HEADER_SIZE
-# define CROW_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.
- *
- * http_data_cb does not return data chunks. It will be call arbitrarally
- * 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*);
-
-
-/* Request Methods */
-#define CROW_HTTP_METHOD_MAP(CROW_XX) \
- CROW_XX(0, DELETE, DELETE) \
- CROW_XX(1, GET, GET) \
- CROW_XX(2, HEAD, HEAD) \
- CROW_XX(3, POST, POST) \
- CROW_XX(4, PUT, PUT) \
- /* pathological */ \
- CROW_XX(5, CONNECT, CONNECT) \
- CROW_XX(6, OPTIONS, OPTIONS) \
- CROW_XX(7, TRACE, TRACE) \
- /* webdav */ \
- CROW_XX(8, COPY, COPY) \
- CROW_XX(9, LOCK, LOCK) \
- CROW_XX(10, MKCOL, MKCOL) \
- CROW_XX(11, MOVE, MOVE) \
- CROW_XX(12, PROPFIND, PROPFIND) \
- CROW_XX(13, PROPPATCH, PROPPATCH) \
- CROW_XX(14, SEARCH, SEARCH) \
- CROW_XX(15, UNLOCK, UNLOCK) \
- /* subversion */ \
- CROW_XX(16, REPORT, REPORT) \
- CROW_XX(17, MKACTIVITY, MKACTIVITY) \
- CROW_XX(18, CHECKOUT, CHECKOUT) \
- CROW_XX(19, MERGE, MERGE) \
- /* upnp */ \
- CROW_XX(20, MSEARCH, M-SEARCH) \
- CROW_XX(21, NOTIFY, NOTIFY) \
- CROW_XX(22, SUBSCRIBE, SUBSCRIBE) \
- CROW_XX(23, UNSUBSCRIBE, UNSUBSCRIBE) \
- /* RFC-5789 */ \
- CROW_XX(24, PATCH, PATCH) \
- CROW_XX(25, PURGE, PURGE) \
- /* CalDAV */ \
- CROW_XX(26, MKCALENDAR, MKCALENDAR) \
-
-enum http_method
- {
-#define CROW_XX(num, name, string) HTTP_##name = num,
- CROW_HTTP_METHOD_MAP(CROW_XX)
-#undef CROW_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_TRAILING = 1 << 3
- , F_UPGRADE = 1 << 4
- , F_SKIPBODY = 1 << 5
- };
-
-
-/* Map for errno-related constants
- *
- * The provided argument should be a macro that takes 2 arguments.
- */
-#define CROW_HTTP_ERRNO_MAP(CROW_XX) \
- /* No error */ \
- CROW_XX(OK, "success") \
- \
- /* Callback-related errors */ \
- CROW_XX(CB_message_begin, "the on_message_begin callback failed") \
- CROW_XX(CB_url, "the on_url callback failed") \
- CROW_XX(CB_header_field, "the on_header_field callback failed") \
- CROW_XX(CB_header_value, "the on_header_value callback failed") \
- CROW_XX(CB_headers_complete, "the on_headers_complete callback failed") \
- CROW_XX(CB_body, "the on_body callback failed") \
- CROW_XX(CB_message_complete, "the on_message_complete callback failed") \
- CROW_XX(CB_status, "the on_status callback failed") \
- \
- /* Parsing-related errors */ \
- CROW_XX(INVALID_EOF_STATE, "stream ended at an unexpected time") \
- CROW_XX(HEADER_OVERFLOW, \
- "too many header bytes seen; overflow detected") \
- CROW_XX(CLOSED_CONNECTION, \
- "data received after completed connection: close message") \
- CROW_XX(INVALID_VERSION, "invalid HTTP version") \
- CROW_XX(INVALID_STATUS, "invalid HTTP status code") \
- CROW_XX(INVALID_METHOD, "invalid HTTP method") \
- CROW_XX(INVALID_URL, "invalid URL") \
- CROW_XX(INVALID_HOST, "invalid host") \
- CROW_XX(INVALID_PORT, "invalid port") \
- CROW_XX(INVALID_PATH, "invalid path") \
- CROW_XX(INVALID_QUERY_STRING, "invalid query string") \
- CROW_XX(INVALID_FRAGMENT, "invalid fragment") \
- CROW_XX(LF_EXPECTED, "CROW_LF character expected") \
- CROW_XX(INVALID_HEADER_TOKEN, "invalid character in header") \
- CROW_XX(INVALID_CONTENT_LENGTH, \
- "invalid character in content-length header") \
- CROW_XX(INVALID_CHUNK_SIZE, \
- "invalid character in chunk size header") \
- CROW_XX(INVALID_CONSTANT, "invalid constant string") \
- CROW_XX(INVALID_INTERNAL_STATE, "encountered unexpected internal state")\
- CROW_XX(STRICT, "strict mode assertion failed") \
- CROW_XX(PAUSED, "parser is paused") \
- CROW_XX(UNKNOWN, "an unknown error occurred")
-
-
-/* Define HPE_* values for each errno value above */
-#define CROW_HTTP_ERRNO_GEN(n, s) HPE_##n,
-enum http_errno {
- CROW_HTTP_ERRNO_MAP(CROW_HTTP_ERRNO_GEN)
-};
-#undef CROW_HTTP_ERRNO_GEN
-
-
-/* Get an http_errno value from an http_parser */
-#define CROW_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 : 6; /* F_* values from 'flags' enum; semi-public */
- unsigned int state : 8; /* enum state from http_parser.c */
- unsigned int header_state : 8; /* enum header_state from http_parser.c */
- unsigned int index : 8; /* index into current matcher */
-
- 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;
-};
-
-
-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, version);
- */
-unsigned long http_parser_version(void);
-
-void http_parser_init(http_parser *parser, enum http_parser_type type);
-
-
-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);
-
-/* 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);
-
-/*#include "http_parser.h"*/
-/* 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 <assert.h>
-#include <stddef.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
-
-#ifndef CROW_ULLONG_MAX
-# define CROW_ULLONG_MAX ((uint64_t) -1) /* 2^64-1 */
-#endif
-
-#ifndef CROW_MIN
-# define CROW_MIN(a,b) ((a) < (b) ? (a) : (b))
-#endif
-
-#ifndef CROW_ARRAY_SIZE
-# define CROW_ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
-#endif
-
-#ifndef CROW_BIT_AT
-# define CROW_BIT_AT(a, i) \
- (!!((unsigned int) (a)[(unsigned int) (i) >> 3] & \
- (1 << ((unsigned int) (i) & 7))))
-#endif
-
-#ifndef CROW_ELEM_AT
-# define CROW_ELEM_AT(a, i, v) ((unsigned int) (i) < CROW_ARRAY_SIZE(a) ? (a)[(i)] : (v))
-#endif
-
-#define CROW_SET_ERRNO(e) \
-do { \
- parser->http_errno = (e); \
-} while(0)
-
-
-/* Run the notify callback FOR, returning ER if it fails */
-#define CROW_CALLBACK_NOTIFY_(FOR, ER) \
-do { \
- assert(CROW_HTTP_PARSER_ERRNO(parser) == HPE_OK); \
- \
- if (settings->on_##FOR) { \
- if (0 != settings->on_##FOR(parser)) { \
- CROW_SET_ERRNO(HPE_CB_##FOR); \
- } \
- \
- /* We either errored above or got paused; get out */ \
- if (CROW_HTTP_PARSER_ERRNO(parser) != HPE_OK) { \
- return (ER); \
- } \
- } \
-} while (0)
-
-/* Run the notify callback FOR and consume the current byte */
-#define CROW_CALLBACK_NOTIFY(FOR) CROW_CALLBACK_NOTIFY_(FOR, p - data + 1)
-
-/* Run the notify callback FOR and don't consume the current byte */
-#define CROW_CALLBACK_NOTIFY_NOADVANCE(FOR) CROW_CALLBACK_NOTIFY_(FOR, p - data)
-
-/* Run data callback FOR with LEN bytes, returning ER if it fails */
-#define CROW_CALLBACK_DATA_(FOR, LEN, ER) \
-do { \
- assert(CROW_HTTP_PARSER_ERRNO(parser) == HPE_OK); \
- \
- if (FOR##_mark) { \
- if (settings->on_##FOR) { \
- if (0 != settings->on_##FOR(parser, FOR##_mark, (LEN))) { \
- CROW_SET_ERRNO(HPE_CB_##FOR); \
- } \
- \
- /* We either errored above or got paused; get out */ \
- if (CROW_HTTP_PARSER_ERRNO(parser) != HPE_OK) { \
- return (ER); \
- } \
- } \
- FOR##_mark = NULL; \
- } \
-} while (0)
-
-/* Run the data callback FOR and consume the current byte */
-#define CROW_CALLBACK_DATA(FOR) \
- CROW_CALLBACK_DATA_(FOR, p - FOR##_mark, p - data + 1)
-
-/* Run the data callback FOR and don't consume the current byte */
-#define CROW_CALLBACK_DATA_NOADVANCE(FOR) \
- CROW_CALLBACK_DATA_(FOR, p - FOR##_mark, p - data)
-
-/* Set the mark FOR; non-destructive if mark is already set */
-#define CROW_MARK(FOR) \
-do { \
- if (!FOR##_mark) { \
- FOR##_mark = p; \
- } \
-} while (0)
-
-
-#define CROW_PROXY_CONNECTION "proxy-connection"
-#define CROW_CONNECTION "connection"
-#define CROW_CONTENT_LENGTH "content-length"
-#define CROW_TRANSFER_ENCODING "transfer-encoding"
-#define CROW_UPGRADE "upgrade"
-#define CROW_CHUNKED "chunked"
-#define CROW_KEEP_ALIVE "keep-alive"
-#define CROW_CLOSE "close"
-
-
-
-
-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 CROW_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 CROW_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_keep_alive
- , h_matching_connection_close
-
- , h_transfer_encoding_chunked
- , h_connection_keep_alive
- , h_connection_close
- };
-
-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_port_start
- , s_http_host_port
-};
-
-/* Macros for character classes; depends on strict-mode */
-#define CROW_CR '\r'
-#define CROW_LF '\n'
-#define CROW_LOWER(c) (unsigned char)(c | 0x20)
-#define CROW_IS_ALPHA(c) (CROW_LOWER(c) >= 'a' && CROW_LOWER(c) <= 'z')
-#define CROW_IS_NUM(c) ((c) >= '0' && (c) <= '9')
-#define CROW_IS_ALPHANUM(c) (CROW_IS_ALPHA(c) || CROW_IS_NUM(c))
-#define CROW_IS_HEX(c) (CROW_IS_NUM(c) || (CROW_LOWER(c) >= 'a' && CROW_LOWER(c) <= 'f'))
-#define CROW_IS_MARK(c) ((c) == '-' || (c) == '_' || (c) == '.' || \
- (c) == '!' || (c) == '~' || (c) == '*' || (c) == '\'' || (c) == '(' || \
- (c) == ')')
-#define CROW_IS_USERINFO_CHAR(c) (CROW_IS_ALPHANUM(c) || CROW_IS_MARK(c) || (c) == '%' || \
- (c) == ';' || (c) == ':' || (c) == '&' || (c) == '=' || (c) == '+' || \
- (c) == '$' || (c) == ',')
-
-#if CROW_HTTP_PARSER_STRICT
-#define CROW_TOKEN(c) (tokens[(unsigned char)c])
-#define CROW_IS_URL_CHAR(c) (CROW_BIT_AT(normal_url_char, (unsigned char)c))
-#define CROW_IS_HOST_CHAR(c) (CROW_IS_ALPHANUM(c) || (c) == '.' || (c) == '-')
-#else
-#define CROW_TOKEN(c) ((c == ' ') ? ' ' : tokens[(unsigned char)c])
-#define CROW_IS_URL_CHAR(c) \
- (CROW_BIT_AT(normal_url_char, (unsigned char)c) || ((c) & 0x80))
-#define CROW_IS_HOST_CHAR(c) \
- (CROW_IS_ALPHANUM(c) || (c) == '.' || (c) == '-' || (c) == '_')
-#endif
-
-
-#define CROW_start_state (parser->type == HTTP_REQUEST ? s_start_req : s_start_res)
-
-
-#if CROW_HTTP_PARSER_STRICT
-# define CROW_STRICT_CHECK(cond) \
-do { \
- if (cond) { \
- CROW_SET_ERRNO(HPE_STRICT); \
- goto error; \
- } \
-} while (0)
-# define CROW_NEW_MESSAGE() (http_should_keep_alive(parser) ? CROW_start_state : s_dead)
-#else
-# define CROW_STRICT_CHECK(cond)
-# define CROW_NEW_MESSAGE() CROW_start_state
-#endif
-
-
-
-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.
- */
-inline enum state
-parse_url_char(enum state s, const char ch)
-{
-#if CROW_HTTP_PARSER_STRICT
-# define CROW_T(v) 0
-#else
-# define CROW_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 | CROW_T(2) | 0 | 0 | CROW_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 CROW_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 CROW_T
-
- if (ch == ' ' || ch == '\r' || ch == '\n') {
- return s_dead;
- }
-
-#if CROW_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 (CROW_IS_ALPHA(ch)) {
- return s_req_schema;
- }
-
- break;
-
- case s_req_schema:
- if (CROW_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 (CROW_IS_USERINFO_CHAR(ch) || ch == '[' || ch == ']') {
- return s_req_server;
- }
-
- break;
-
- case s_req_path:
- if (CROW_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 (CROW_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 (CROW_IS_URL_CHAR(ch)) {
- return s_req_fragment;
- }
-
- switch (ch) {
- case '?':
- return s_req_fragment;
-
- case '#':
- return s;
- }
-
- break;
-
- case s_req_fragment:
- if (CROW_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;
-}
-
-inline size_t http_parser_execute (http_parser *parser,
- const http_parser_settings *settings,
- const char *data,
- size_t len)
-{
-static const char *method_strings[] =
- {
-#define CROW_XX(num, name, string) #string,
- CROW_HTTP_METHOD_MAP(CROW_XX)
-#undef CROW_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
- };
-
-
-
- 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;
-
- /* We're in an error state. Don't bother doing anything. */
- if (CROW_HTTP_PARSER_ERRNO(parser) != HPE_OK) {
- return 0;
- }
-
- if (len == 0) {
- switch (parser->state) {
- case s_body_identity_eof:
- /* Use of CROW_CALLBACK_NOTIFY() here would erroneously return 1 byte read if
- * we got paused.
- */
- CROW_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:
- CROW_SET_ERRNO(HPE_INVALID_EOF_STATE);
- return 1;
- }
- }
-
-
- if (parser->state == s_header_field)
- header_field_mark = data;
- if (parser->state == s_header_value)
- header_value_mark = data;
- switch (parser->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;
- }
-
- for (p=data; p != data + len; p++) {
- ch = *p;
-
- if (CROW_PARSING_HEADER(parser->state)) {
- ++parser->nread;
- /* Don't allow the total size of the HTTP headers (including the status
- * line) to exceed CROW_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. CROW_HTTP_MAX_HEADER_SIZE is still far bigger
- * than any reasonable request or response so this should never affect
- * day-to-day operation.
- */
- if (parser->nread > (CROW_HTTP_MAX_HEADER_SIZE)) {
- CROW_SET_ERRNO(HPE_HEADER_OVERFLOW);
- goto error;
- }
- }
-
- reexecute_byte:
- switch (parser->state) {
-
- case s_dead:
- /* this state is used after a 'Connection: close' message
- * the parser will error out if it reads another message
- */
- if (ch == CROW_CR || ch == CROW_LF)
- break;
-
- CROW_SET_ERRNO(HPE_CLOSED_CONNECTION);
- goto error;
-
- case s_start_req_or_res:
- {
- if (ch == CROW_CR || ch == CROW_LF)
- break;
- parser->flags = 0;
- parser->content_length = CROW_ULLONG_MAX;
-
- if (ch == 'H') {
- parser->state = s_res_or_resp_H;
-
- CROW_CALLBACK_NOTIFY(message_begin);
- } else {
- parser->type = HTTP_REQUEST;
- parser->state = s_start_req;
- goto reexecute_byte;
- }
-
- break;
- }
-
- case s_res_or_resp_H:
- if (ch == 'T') {
- parser->type = HTTP_RESPONSE;
- parser->state = s_res_HT;
- } else {
- if (ch != 'E') {
- CROW_SET_ERRNO(HPE_INVALID_CONSTANT);
- goto error;
- }
-
- parser->type = HTTP_REQUEST;
- parser->method = HTTP_HEAD;
- parser->index = 2;
- parser->state = s_req_method;
- }
- break;
-
- case s_start_res:
- {
- parser->flags = 0;
- parser->content_length = CROW_ULLONG_MAX;
-
- switch (ch) {
- case 'H':
- parser->state = s_res_H;
- break;
-
- case CROW_CR:
- case CROW_LF:
- break;
-
- default:
- CROW_SET_ERRNO(HPE_INVALID_CONSTANT);
- goto error;
- }
-
- CROW_CALLBACK_NOTIFY(message_begin);
- break;
- }
-
- case s_res_H:
- CROW_STRICT_CHECK(ch != 'T');
- parser->state = s_res_HT;
- break;
-
- case s_res_HT:
- CROW_STRICT_CHECK(ch != 'T');
- parser->state = s_res_HTT;
- break;
-
- case s_res_HTT:
- CROW_STRICT_CHECK(ch != 'P');
- parser->state = s_res_HTTP;
- break;
-
- case s_res_HTTP:
- CROW_STRICT_CHECK(ch != '/');
- parser->state = s_res_first_http_major;
- break;
-
- case s_res_first_http_major:
- if (ch < '0' || ch > '9') {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- parser->http_major = ch - '0';
- parser->state = s_res_http_major;
- break;
-
- /* major HTTP version or dot */
- case s_res_http_major:
- {
- if (ch == '.') {
- parser->state = s_res_first_http_minor;
- break;
- }
-
- if (!CROW_IS_NUM(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- parser->http_major *= 10;
- parser->http_major += ch - '0';
-
- if (parser->http_major > 999) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- break;
- }
-
- /* first digit of minor HTTP version */
- case s_res_first_http_minor:
- if (!CROW_IS_NUM(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- parser->http_minor = ch - '0';
- parser->state = s_res_http_minor;
- break;
-
- /* minor HTTP version or end of request line */
- case s_res_http_minor:
- {
- if (ch == ' ') {
- parser->state = s_res_first_status_code;
- break;
- }
-
- if (!CROW_IS_NUM(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- parser->http_minor *= 10;
- parser->http_minor += ch - '0';
-
- if (parser->http_minor > 999) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- break;
- }
-
- case s_res_first_status_code:
- {
- if (!CROW_IS_NUM(ch)) {
- if (ch == ' ') {
- break;
- }
-
- CROW_SET_ERRNO(HPE_INVALID_STATUS);
- goto error;
- }
- parser->status_code = ch - '0';
- parser->state = s_res_status_code;
- break;
- }
-
- case s_res_status_code:
- {
- if (!CROW_IS_NUM(ch)) {
- switch (ch) {
- case ' ':
- parser->state = s_res_status_start;
- break;
- case CROW_CR:
- parser->state = s_res_line_almost_done;
- break;
- case CROW_LF:
- parser->state = s_header_field_start;
- break;
- default:
- CROW_SET_ERRNO(HPE_INVALID_STATUS);
- goto error;
- }
- break;
- }
-
- parser->status_code *= 10;
- parser->status_code += ch - '0';
-
- if (parser->status_code > 999) {
- CROW_SET_ERRNO(HPE_INVALID_STATUS);
- goto error;
- }
-
- break;
- }
-
- case s_res_status_start:
- {
- if (ch == CROW_CR) {
- parser->state = s_res_line_almost_done;
- break;
- }
-
- if (ch == CROW_LF) {
- parser->state = s_header_field_start;
- break;
- }
-
- CROW_MARK(status);
- parser->state = s_res_status;
- parser->index = 0;
- break;
- }
-
- case s_res_status:
- if (ch == CROW_CR) {
- parser->state = s_res_line_almost_done;
- CROW_CALLBACK_DATA(status);
- break;
- }
-
- if (ch == CROW_LF) {
- parser->state = s_header_field_start;
- CROW_CALLBACK_DATA(status);
- break;
- }
-
- break;
-
- case s_res_line_almost_done:
- CROW_STRICT_CHECK(ch != CROW_LF);
- parser->state = s_header_field_start;
- break;
-
- case s_start_req:
- {
- if (ch == CROW_CR || ch == CROW_LF)
- break;
- parser->flags = 0;
- parser->content_length = CROW_ULLONG_MAX;
-
- if (!CROW_IS_ALPHA(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
-
- parser->method = (enum http_method) 0;
- parser->index = 1;
- switch (ch) {
- 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; 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; 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 */ break;
- default:
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
- parser->state = s_req_method;
-
- CROW_CALLBACK_NOTIFY(message_begin);
-
- break;
- }
-
- case s_req_method:
- {
- const char *matcher;
- if (ch == '\0') {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
-
- matcher = method_strings[parser->method];
- if (ch == ' ' && matcher[parser->index] == '\0') {
- parser->state = s_req_spaces_before_url;
- } else if (ch == matcher[parser->index]) {
- ; /* nada */
- } else if (parser->method == HTTP_CONNECT) {
- if (parser->index == 1 && ch == 'H') {
- parser->method = HTTP_CHECKOUT;
- } else if (parser->index == 2 && ch == 'P') {
- parser->method = HTTP_COPY;
- } else {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
- } else if (parser->method == HTTP_MKCOL) {
- if (parser->index == 1 && ch == 'O') {
- parser->method = HTTP_MOVE;
- } else if (parser->index == 1 && ch == 'E') {
- parser->method = HTTP_MERGE;
- } else if (parser->index == 1 && ch == '-') {
- parser->method = HTTP_MSEARCH;
- } else if (parser->index == 2 && ch == 'A') {
- parser->method = HTTP_MKACTIVITY;
- } else if (parser->index == 3 && ch == 'A') {
- parser->method = HTTP_MKCALENDAR;
- } else {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
- } else if (parser->method == HTTP_SUBSCRIBE) {
- if (parser->index == 1 && ch == 'E') {
- parser->method = HTTP_SEARCH;
- } else {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
- } else if (parser->index == 1 && parser->method == HTTP_POST) {
- if (ch == 'R') {
- parser->method = HTTP_PROPFIND; /* or HTTP_PROPPATCH */
- } else if (ch == 'U') {
- parser->method = HTTP_PUT; /* or HTTP_PURGE */
- } else if (ch == 'A') {
- parser->method = HTTP_PATCH;
- } else {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
- } else if (parser->index == 2) {
- if (parser->method == HTTP_PUT) {
- if (ch == 'R') {
- parser->method = HTTP_PURGE;
- } else {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
- } else if (parser->method == HTTP_UNLOCK) {
- if (ch == 'S') {
- parser->method = HTTP_UNSUBSCRIBE;
- } else {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
- } else {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
- } else if (parser->index == 4 && parser->method == HTTP_PROPFIND && ch == 'P') {
- parser->method = HTTP_PROPPATCH;
- } else {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
-
- ++parser->index;
- break;
- }
-
- case s_req_spaces_before_url:
- {
- if (ch == ' ') break;
-
- CROW_MARK(url);
- if (parser->method == HTTP_CONNECT) {
- parser->state = s_req_server_start;
- }
-
- parser->state = parse_url_char((enum state)parser->state, ch);
- if (parser->state == s_dead) {
- CROW_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 CROW_CR:
- case CROW_LF:
- CROW_SET_ERRNO(HPE_INVALID_URL);
- goto error;
- default:
- parser->state = parse_url_char((enum state)parser->state, ch);
- if (parser->state == s_dead) {
- CROW_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 ' ':
- parser->state = s_req_http_start;
- CROW_CALLBACK_DATA(url);
- break;
- case CROW_CR:
- case CROW_LF:
- parser->http_major = 0;
- parser->http_minor = 9;
- parser->state = (ch == CROW_CR) ?
- s_req_line_almost_done :
- s_header_field_start;
- CROW_CALLBACK_DATA(url);
- break;
- default:
- parser->state = parse_url_char((enum state)parser->state, ch);
- if (parser->state == s_dead) {
- CROW_SET_ERRNO(HPE_INVALID_URL);
- goto error;
- }
- }
- break;
- }
-
- case s_req_http_start:
- switch (ch) {
- case 'H':
- parser->state = s_req_http_H;
- break;
- case ' ':
- break;
- default:
- CROW_SET_ERRNO(HPE_INVALID_CONSTANT);
- goto error;
- }
- break;
-
- case s_req_http_H:
- CROW_STRICT_CHECK(ch != 'T');
- parser->state = s_req_http_HT;
- break;
-
- case s_req_http_HT:
- CROW_STRICT_CHECK(ch != 'T');
- parser->state = s_req_http_HTT;
- break;
-
- case s_req_http_HTT:
- CROW_STRICT_CHECK(ch != 'P');
- parser->state = s_req_http_HTTP;
- break;
-
- case s_req_http_HTTP:
- CROW_STRICT_CHECK(ch != '/');
- parser->state = s_req_first_http_major;
- break;
-
- /* first digit of major HTTP version */
- case s_req_first_http_major:
- if (ch < '1' || ch > '9') {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- parser->http_major = ch - '0';
- parser->state = s_req_http_major;
- break;
-
- /* major HTTP version or dot */
- case s_req_http_major:
- {
- if (ch == '.') {
- parser->state = s_req_first_http_minor;
- break;
- }
-
- if (!CROW_IS_NUM(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- parser->http_major *= 10;
- parser->http_major += ch - '0';
-
- if (parser->http_major > 999) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- break;
- }
-
- /* first digit of minor HTTP version */
- case s_req_first_http_minor:
- if (!CROW_IS_NUM(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- parser->http_minor = ch - '0';
- parser->state = s_req_http_minor;
- break;
-
- /* minor HTTP version or end of request line */
- case s_req_http_minor:
- {
- if (ch == CROW_CR) {
- parser->state = s_req_line_almost_done;
- break;
- }
-
- if (ch == CROW_LF) {
- parser->state = s_header_field_start;
- break;
- }
-
- /* XXX allow spaces after digit? */
-
- if (!CROW_IS_NUM(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- parser->http_minor *= 10;
- parser->http_minor += ch - '0';
-
- if (parser->http_minor > 999) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- break;
- }
-
- /* end of request line */
- case s_req_line_almost_done:
- {
- if (ch != CROW_LF) {
- CROW_SET_ERRNO(HPE_LF_EXPECTED);
- goto error;
- }
-
- parser->state = s_header_field_start;
- break;
- }
-
- case s_header_field_start:
- {
- if (ch == CROW_CR) {
- parser->state = s_headers_almost_done;
- break;
- }
-
- if (ch == CROW_LF) {
- /* they might be just sending \n instead of \r\n so this would be
- * the second \n to denote the end of headers*/
- parser->state = s_headers_almost_done;
- goto reexecute_byte;
- }
-
- c = CROW_TOKEN(ch);
-
- if (!c) {
- CROW_SET_ERRNO(HPE_INVALID_HEADER_TOKEN);
- goto error;
- }
-
- CROW_MARK(header_field);
-
- parser->index = 0;
- parser->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:
- {
- c = CROW_TOKEN(ch);
-
- if (c) {
- 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(CROW_CONNECTION)-1
- || c != CROW_CONNECTION[parser->index]) {
- parser->header_state = h_general;
- } else if (parser->index == sizeof(CROW_CONNECTION)-2) {
- parser->header_state = h_connection;
- }
- break;
-
- /* proxy-connection */
-
- case h_matching_proxy_connection:
- parser->index++;
- if (parser->index > sizeof(CROW_PROXY_CONNECTION)-1
- || c != CROW_PROXY_CONNECTION[parser->index]) {
- parser->header_state = h_general;
- } else if (parser->index == sizeof(CROW_PROXY_CONNECTION)-2) {
- parser->header_state = h_connection;
- }
- break;
-
- /* content-length */
-
- case h_matching_content_length:
- parser->index++;
- if (parser->index > sizeof(CROW_CONTENT_LENGTH)-1
- || c != CROW_CONTENT_LENGTH[parser->index]) {
- parser->header_state = h_general;
- } else if (parser->index == sizeof(CROW_CONTENT_LENGTH)-2) {
- parser->header_state = h_content_length;
- }
- break;
-
- /* transfer-encoding */
-
- case h_matching_transfer_encoding:
- parser->index++;
- if (parser->index > sizeof(CROW_TRANSFER_ENCODING)-1
- || c != CROW_TRANSFER_ENCODING[parser->index]) {
- parser->header_state = h_general;
- } else if (parser->index == sizeof(CROW_TRANSFER_ENCODING)-2) {
- parser->header_state = h_transfer_encoding;
- }
- break;
-
- /* upgrade */
-
- case h_matching_upgrade:
- parser->index++;
- if (parser->index > sizeof(CROW_UPGRADE)-1
- || c != CROW_UPGRADE[parser->index]) {
- parser->header_state = h_general;
- } else if (parser->index == sizeof(CROW_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;
- }
- break;
- }
-
- if (ch == ':') {
- parser->state = s_header_value_discard_ws;
- CROW_CALLBACK_DATA(header_field);
- break;
- }
-
- if (ch == CROW_CR) {
- parser->state = s_header_almost_done;
- CROW_CALLBACK_DATA(header_field);
- break;
- }
-
- if (ch == CROW_LF) {
- parser->state = s_header_field_start;
- CROW_CALLBACK_DATA(header_field);
- break;
- }
-
- CROW_SET_ERRNO(HPE_INVALID_HEADER_TOKEN);
- goto error;
- }
-
- case s_header_value_discard_ws:
- if (ch == ' ' || ch == '\t') break;
-
- if (ch == CROW_CR) {
- parser->state = s_header_value_discard_ws_almost_done;
- break;
- }
-
- if (ch == CROW_LF) {
- parser->state = s_header_value_discard_lws;
- break;
- }
-
- /* FALLTHROUGH */
-
- case s_header_value_start:
- {
- CROW_MARK(header_value);
-
- parser->state = s_header_value;
- parser->index = 0;
-
- c = CROW_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 (!CROW_IS_NUM(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
- goto error;
- }
-
- 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 {
- parser->header_state = h_general;
- }
- break;
-
- default:
- parser->header_state = h_general;
- break;
- }
- break;
- }
-
- case s_header_value:
- {
-
- if (ch == CROW_CR) {
- parser->state = s_header_almost_done;
- CROW_CALLBACK_DATA(header_value);
- break;
- }
-
- if (ch == CROW_LF) {
- parser->state = s_header_almost_done;
- CROW_CALLBACK_DATA_NOADVANCE(header_value);
- goto reexecute_byte;
- }
-
- c = CROW_LOWER(ch);
-
- switch (parser->header_state) {
- case h_general:
- 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 (!CROW_IS_NUM(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
- goto error;
- }
-
- t = parser->content_length;
- t *= 10;
- t += ch - '0';
-
- /* Overflow? Test against a conservative limit for simplicity. */
- if ((CROW_ULLONG_MAX - 10) / 10 < parser->content_length) {
- CROW_SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
- goto error;
- }
-
- parser->content_length = t;
- break;
- }
-
- /* Transfer-Encoding: chunked */
- case h_matching_transfer_encoding_chunked:
- parser->index++;
- if (parser->index > sizeof(CROW_CHUNKED)-1
- || c != CROW_CHUNKED[parser->index]) {
- parser->header_state = h_general;
- } else if (parser->index == sizeof(CROW_CHUNKED)-2) {
- parser->header_state = h_transfer_encoding_chunked;
- }
- break;
-
- /* looking for 'Connection: keep-alive' */
- case h_matching_connection_keep_alive:
- parser->index++;
- if (parser->index > sizeof(CROW_KEEP_ALIVE)-1
- || c != CROW_KEEP_ALIVE[parser->index]) {
- parser->header_state = h_general;
- } else if (parser->index == sizeof(CROW_KEEP_ALIVE)-2) {
- parser->header_state = h_connection_keep_alive;
- }
- break;
-
- /* looking for 'Connection: close' */
- case h_matching_connection_close:
- parser->index++;
- if (parser->index > sizeof(CROW_CLOSE)-1 || c != CROW_CLOSE[parser->index]) {
- parser->header_state = h_general;
- } else if (parser->index == sizeof(CROW_CLOSE)-2) {
- parser->header_state = h_connection_close;
- }
- break;
-
- case h_transfer_encoding_chunked:
- case h_connection_keep_alive:
- case h_connection_close:
- if (ch != ' ') parser->header_state = h_general;
- break;
-
- default:
- parser->state = s_header_value;
- parser->header_state = h_general;
- break;
- }
- break;
- }
-
- case s_header_almost_done:
- {
- CROW_STRICT_CHECK(ch != CROW_LF);
-
- parser->state = s_header_value_lws;
- break;
- }
-
- case s_header_value_lws:
- {
- if (ch == ' ' || ch == '\t') {
- parser->state = s_header_value_start;
- goto reexecute_byte;
- }
-
- /* 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;
- default:
- break;
- }
-
- parser->state = s_header_field_start;
- goto reexecute_byte;
- }
-
- case s_header_value_discard_ws_almost_done:
- {
- CROW_STRICT_CHECK(ch != CROW_LF);
- parser->state = s_header_value_discard_lws;
- break;
- }
-
- case s_header_value_discard_lws:
- {
- if (ch == ' ' || ch == '\t') {
- parser->state = s_header_value_discard_ws;
- break;
- } else {
- /* header value was empty */
- CROW_MARK(header_value);
- parser->state = s_header_field_start;
- CROW_CALLBACK_DATA_NOADVANCE(header_value);
- goto reexecute_byte;
- }
- }
-
- case s_headers_almost_done:
- {
- CROW_STRICT_CHECK(ch != CROW_LF);
-
- if (parser->flags & F_TRAILING) {
- /* End of a chunked request */
- parser->state = CROW_NEW_MESSAGE();
- CROW_CALLBACK_NOTIFY(message_complete);
- break;
- }
-
- parser->state = s_headers_done;
-
- /* Set this here so that on_headers_complete() callbacks can see it */
- parser->upgrade =
- (parser->flags & F_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 CROW_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 1:
- parser->flags |= F_SKIPBODY;
- break;
-
- default:
- CROW_SET_ERRNO(HPE_CB_headers_complete);
- return p - data; /* Error */
- }
- }
-
- if (CROW_HTTP_PARSER_ERRNO(parser) != HPE_OK) {
- return p - data;
- }
-
- goto reexecute_byte;
- }
-
- case s_headers_done:
- {
- CROW_STRICT_CHECK(ch != CROW_LF);
-
- parser->nread = 0;
-
- /* Exit, the rest of the connect is in a different protocol. */
- if (parser->upgrade) {
- parser->state = CROW_NEW_MESSAGE();
- CROW_CALLBACK_NOTIFY(message_complete);
- return (p - data) + 1;
- }
-
- if (parser->flags & F_SKIPBODY) {
- parser->state = CROW_NEW_MESSAGE();
- CROW_CALLBACK_NOTIFY(message_complete);
- } else if (parser->flags & F_CHUNKED) {
- /* chunked encoding - ignore Content-Length header */
- parser->state = s_chunk_size_start;
- } else {
- if (parser->content_length == 0) {
- /* Content-Length header given but zero: Content-Length: 0\r\n */
- parser->state = CROW_NEW_MESSAGE();
- CROW_CALLBACK_NOTIFY(message_complete);
- } else if (parser->content_length != CROW_ULLONG_MAX) {
- /* Content-Length header given and non-zero */
- parser->state = s_body_identity;
- } else {
- if (parser->type == HTTP_REQUEST ||
- !http_message_needs_eof(parser)) {
- /* Assume content-length 0 - read the next */
- parser->state = CROW_NEW_MESSAGE();
- CROW_CALLBACK_NOTIFY(message_complete);
- } else {
- /* Read body until EOF */
- parser->state = s_body_identity_eof;
- }
- }
- }
-
- break;
- }
-
- case s_body_identity:
- {
- uint64_t to_read = CROW_MIN(parser->content_length,
- (uint64_t) ((data + len) - p));
-
- assert(parser->content_length != 0
- && parser->content_length != CROW_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.
- */
- CROW_MARK(body);
- parser->content_length -= to_read;
- p += to_read - 1;
-
- if (parser->content_length == 0) {
- parser->state = s_message_done;
-
- /* Mimic CROW_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.
- */
- CROW_CALLBACK_DATA_(body, p - body_mark + 1, p - data);
- goto reexecute_byte;
- }
-
- break;
- }
-
- /* read until EOF */
- case s_body_identity_eof:
- CROW_MARK(body);
- p = data + len - 1;
-
- break;
-
- case s_message_done:
- parser->state = CROW_NEW_MESSAGE();
- CROW_CALLBACK_NOTIFY(message_complete);
- break;
-
- case s_chunk_size_start:
- {
- assert(parser->nread == 1);
- assert(parser->flags & F_CHUNKED);
-
- unhex_val = unhex[(unsigned char)ch];
- if (unhex_val == -1) {
- CROW_SET_ERRNO(HPE_INVALID_CHUNK_SIZE);
- goto error;
- }
-
- parser->content_length = unhex_val;
- parser->state = s_chunk_size;
- break;
- }
-
- case s_chunk_size:
- {
- uint64_t t;
-
- assert(parser->flags & F_CHUNKED);
-
- if (ch == CROW_CR) {
- parser->state = s_chunk_size_almost_done;
- break;
- }
-
- unhex_val = unhex[(unsigned char)ch];
-
- if (unhex_val == -1) {
- if (ch == ';' || ch == ' ') {
- parser->state = s_chunk_parameters;
- break;
- }
-
- CROW_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 ((CROW_ULLONG_MAX - 16) / 16 < parser->content_length) {
- CROW_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 == CROW_CR) {
- parser->state = s_chunk_size_almost_done;
- break;
- }
- break;
- }
-
- case s_chunk_size_almost_done:
- {
- assert(parser->flags & F_CHUNKED);
- CROW_STRICT_CHECK(ch != CROW_LF);
-
- parser->nread = 0;
-
- if (parser->content_length == 0) {
- parser->flags |= F_TRAILING;
- parser->state = s_header_field_start;
- } else {
- parser->state = s_chunk_data;
- }
- break;
- }
-
- case s_chunk_data:
- {
- uint64_t to_read = CROW_MIN(parser->content_length,
- (uint64_t) ((data + len) - p));
-
- assert(parser->flags & F_CHUNKED);
- assert(parser->content_length != 0
- && parser->content_length != CROW_ULLONG_MAX);
-
- /* See the explanation in s_body_identity for why the content
- * length and data pointers are managed this way.
- */
- CROW_MARK(body);
- parser->content_length -= to_read;
- p += to_read - 1;
-
- if (parser->content_length == 0) {
- parser->state = s_chunk_data_almost_done;
- }
-
- break;
- }
-
- case s_chunk_data_almost_done:
- assert(parser->flags & F_CHUNKED);
- assert(parser->content_length == 0);
- CROW_STRICT_CHECK(ch != CROW_CR);
- parser->state = s_chunk_data_done;
- CROW_CALLBACK_DATA(body);
- break;
-
- case s_chunk_data_done:
- assert(parser->flags & F_CHUNKED);
- CROW_STRICT_CHECK(ch != CROW_LF);
- parser->nread = 0;
- parser->state = s_chunk_size_start;
- break;
-
- default:
- assert(0 && "unhandled state");
- CROW_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 CROW_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);
-
- CROW_CALLBACK_DATA_NOADVANCE(header_field);
- CROW_CALLBACK_DATA_NOADVANCE(header_value);
- CROW_CALLBACK_DATA_NOADVANCE(url);
- CROW_CALLBACK_DATA_NOADVANCE(body);
- CROW_CALLBACK_DATA_NOADVANCE(status);
-
- return len;
-
-error:
- if (CROW_HTTP_PARSER_ERRNO(parser) == HPE_OK) {
- CROW_SET_ERRNO(HPE_UNKNOWN);
- }
-
- return (p - data);
-}
-
-
-/* Does the parser need to see an EOF to find the end of the message? */
-inline 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 != CROW_ULLONG_MAX) {
- return 0;
- }
-
- return 1;
-}
-
-
-inline 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);
-}
-
-
-inline const char *
-http_method_str (enum http_method m)
-{
-static const char *method_strings[] =
- {
-#define CROW_XX(num, name, string) #string,
- CROW_HTTP_METHOD_MAP(CROW_XX)
-#undef CROW_XX
- };
- return CROW_ELEM_AT(method_strings, m, "<unknown>");
-}
-
-
-inline 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;
-}
-
-inline const char *
-http_errno_name(enum http_errno err) {
-/* Map errno values to strings for human-readable output */
-#define CROW_HTTP_STRERROR_GEN(n, s) { "HPE_" #n, s },
-static struct {
- const char *name;
- const char *description;
-} http_strerror_tab[] = {
- CROW_HTTP_ERRNO_MAP(CROW_HTTP_STRERROR_GEN)
-};
-#undef CROW_HTTP_STRERROR_GEN
- assert(err < (sizeof(http_strerror_tab)/sizeof(http_strerror_tab[0])));
- return http_strerror_tab[err].name;
-}
-
-inline const char *
-http_errno_description(enum http_errno err) {
-/* Map errno values to strings for human-readable output */
-#define CROW_HTTP_STRERROR_GEN(n, s) { "HPE_" #n, s },
-static struct {
- const char *name;
- const char *description;
-} http_strerror_tab[] = {
- CROW_HTTP_ERRNO_MAP(CROW_HTTP_STRERROR_GEN)
-};
-#undef CROW_HTTP_STRERROR_GEN
- assert(err < (sizeof(http_strerror_tab)/sizeof(http_strerror_tab[0])));
- return http_strerror_tab[err].description;
-}
-
-inline 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 (CROW_IS_USERINFO_CHAR(ch)) {
- return s_http_userinfo;
- }
- break;
-
- case s_http_host_start:
- if (ch == '[') {
- return s_http_host_v6_start;
- }
-
- if (CROW_IS_HOST_CHAR(ch)) {
- return s_http_host;
- }
-
- break;
-
- case s_http_host:
- if (CROW_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 (CROW_IS_HEX(ch) || ch == ':' || ch == '.') {
- return s_http_host_v6;
- }
-
- break;
-
- case s_http_host_port:
- case s_http_host_port_start:
- if (CROW_IS_NUM(ch)) {
- return s_http_host_port;
- }
-
- break;
-
- default:
- break;
- }
- return s_http_host_dead;
-}
-
-inline 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;
-
- 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_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_port_start:
- case s_http_userinfo:
- case s_http_userinfo_start:
- return 1;
- default:
- break;
- }
-
- return 0;
-}
-
-inline 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) | (1 << UF_HOST))) != 0) {
- 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;
-}
-
-inline 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 (CROW_HTTP_PARSER_ERRNO(parser) == HPE_OK ||
- CROW_HTTP_PARSER_ERRNO(parser) == HPE_PAUSED) {
- CROW_SET_ERRNO((paused) ? HPE_PAUSED : HPE_OK);
- } else {
- assert(0 && "Attempting to pause parser in error state");
- }
-}
-
-inline int
-http_body_is_final(const struct http_parser *parser) {
- return parser->state == s_message_done;
-}
-
-inline unsigned long
-http_parser_version(void) {
- return CROW_HTTP_PARSER_VERSION_MAJOR * 0x10000 |
- CROW_HTTP_PARSER_VERSION_MINOR * 0x00100 |
- CROW_HTTP_PARSER_VERSION_PATCH * 0x00001;
-}
-
-#undef CROW_HTTP_METHOD_MAP
-#undef CROW_HTTP_ERRNO_MAP
-#undef CROW_SET_ERRNO
-#undef CROW_CALLBACK_NOTIFY_
-#undef CROW_CALLBACK_NOTIFY
-#undef CROW_CALLBACK_NOTIFY_NOADVANCE
-#undef CROW_CALLBACK_DATA_
-#undef CROW_CALLBACK_DATA
-#undef CROW_CALLBACK_DATA_NOADVANCE
-#undef CROW_MARK
-#undef CROW_PROXY_CONNECTION
-#undef CROW_CONNECTION
-#undef CROW_CONTENT_LENGTH
-#undef CROW_TRANSFER_ENCODING
-#undef CROW_UPGRADE
-#undef CROW_CHUNKED
-#undef CROW_KEEP_ALIVE
-#undef CROW_CLOSE
-#undef CROW_PARSING_HEADER
-#undef CROW_CR
-#undef CROW_LF
-#undef CROW_LOWER
-#undef CROW_IS_ALPHA
-#undef CROW_IS_NUM
-#undef CROW_IS_ALPHANUM
-#undef CROW_IS_HEX
-#undef CROW_IS_MARK
-#undef CROW_IS_USERINFO_CHAR
-#undef CROW_TOKEN
-#undef CROW_IS_URL_CHAR
-#undef CROW_IS_HOST_CHAR
-#undef CROW_start_state
-#undef CROW_STRICT_CHECK
-#undef CROW_NEW_MESSAGE
-
-#ifdef __cplusplus
-}
-#endif
-#endif
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-07-01 16:04:45 +0000