From 89ea9e946a7da8ba2ac425182e1867b7fe064d2c Mon Sep 17 00:00:00 2001 From: Yves Fischer Date: Thu, 18 Apr 2013 02:03:50 +0200 Subject: remove old http server --- datastore-leveldb/src/http_parser.c | 2059 ----------------------------------- datastore-leveldb/src/http_parser.h | 318 ------ datastore-leveldb/src/server_eh.c | 222 ---- datastore-leveldb/src/server_eh.h | 86 -- 4 files changed, 2685 deletions(-) delete mode 100644 datastore-leveldb/src/http_parser.c delete mode 100644 datastore-leveldb/src/http_parser.h delete mode 100644 datastore-leveldb/src/server_eh.c delete mode 100644 datastore-leveldb/src/server_eh.h (limited to 'datastore-leveldb/src') diff --git a/datastore-leveldb/src/http_parser.c b/datastore-leveldb/src/http_parser.c deleted file mode 100644 index 0c11eb8..0000000 --- a/datastore-leveldb/src/http_parser.c +++ /dev/null @@ -1,2059 +0,0 @@ -/* 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 -#include -#include -#include -#include -#include - -#ifndef ULLONG_MAX -# define ULLONG_MAX ((uint64_t) -1) /* 2^64-1 */ -#endif - -#ifndef MIN -# define MIN(a,b) ((a) < (b) ? (a) : (b)) -#endif - - -#if HTTP_PARSER_DEBUG -#define SET_ERRNO(e) \ -do { \ - parser->http_errno = (e); \ - parser->error_lineno = __LINE__; \ -} while (0) -#else -#define SET_ERRNO(e) \ -do { \ - parser->http_errno = (e); \ -} while(0) -#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 (settings->on_##FOR) { \ - if (0 != settings->on_##FOR(parser)) { \ - SET_ERRNO(HPE_CB_##FOR); \ - } \ - \ - /* We either errored above or got paused; get out */ \ - if (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 (settings->on_##FOR) { \ - if (0 != settings->on_##FOR(parser, FOR##_mark, (LEN))) { \ - SET_ERRNO(HPE_CB_##FOR); \ - } \ - \ - /* We either errored above or got paused; get out */ \ - if (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) - - -#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* - * 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 0 -#else -# define T 1 -#endif - - -static const uint8_t normal_url_char[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, T, 0, 0, T, 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, 1, 1, 0, 1, 1, 1, 1, -/* 40 ( 41 ) 42 * 43 + 44 , 45 - 46 . 47 / */ - 1, 1, 1, 1, 1, 1, 1, 1, -/* 48 0 49 1 50 2 51 3 52 4 53 5 54 6 55 7 */ - 1, 1, 1, 1, 1, 1, 1, 1, -/* 56 8 57 9 58 : 59 ; 60 < 61 = 62 > 63 ? */ - 1, 1, 1, 1, 1, 1, 1, 0, -/* 64 @ 65 A 66 B 67 C 68 D 69 E 70 F 71 G */ - 1, 1, 1, 1, 1, 1, 1, 1, -/* 72 H 73 I 74 J 75 K 76 L 77 M 78 N 79 O */ - 1, 1, 1, 1, 1, 1, 1, 1, -/* 80 P 81 Q 82 R 83 S 84 T 85 U 86 V 87 W */ - 1, 1, 1, 1, 1, 1, 1, 1, -/* 88 X 89 Y 90 Z 91 [ 92 \ 93 ] 94 ^ 95 _ */ - 1, 1, 1, 1, 1, 1, 1, 1, -/* 96 ` 97 a 98 b 99 c 100 d 101 e 102 f 103 g */ - 1, 1, 1, 1, 1, 1, 1, 1, -/* 104 h 105 i 106 j 107 k 108 l 109 m 110 n 111 o */ - 1, 1, 1, 1, 1, 1, 1, 1, -/* 112 p 113 q 114 r 115 s 116 t 117 u 118 v 119 w */ - 1, 1, 1, 1, 1, 1, 1, 1, -/* 120 x 121 y 122 z 123 { 124 | 125 } 126 ~ 127 del */ - 1, 1, 1, 1, 1, 1, 1, 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 - , 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_host_start - , s_req_host_v6_start - , s_req_host_v6 - , s_req_host_v6_end - , s_req_host - , s_req_port_start - , s_req_port - , 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_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_keep_alive - , h_matching_connection_close - - , h_transfer_encoding_chunked - , h_connection_keep_alive - , h_connection_close - }; - - -/* 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')) - -#if HTTP_PARSER_STRICT -#define TOKEN(c) (tokens[(unsigned char)c]) -#define IS_URL_CHAR(c) (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) \ - (normal_url_char[(unsigned char) (c)] || ((c) & 0x80)) -#define IS_HOST_CHAR(c) \ - (IS_ALPHANUM(c) || (c) == '.' || (c) == '-' || (c) == '_') -#endif - - -#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(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_host_start; - } - - break; - - case s_req_host_start: - if (ch == '[') { - return s_req_host_v6_start; - } - - if (IS_HOST_CHAR(ch)) { - return s_req_host; - } - - break; - - case s_req_host: - if (IS_HOST_CHAR(ch)) { - return s_req_host; - } - - /* FALLTHROUGH */ - case s_req_host_v6_end: - switch (ch) { - case ':': - return s_req_port_start; - - case '/': - return s_req_path; - - case '?': - return s_req_query_string_start; - } - - break; - - case s_req_host_v6: - if (ch == ']') { - return s_req_host_v6_end; - } - - /* FALLTHROUGH */ - case s_req_host_v6_start: - if (IS_HEX(ch) || ch == ':') { - return s_req_host_v6; - } - break; - - case s_req_port: - switch (ch) { - case '/': - return s_req_path; - - case '?': - return s_req_query_string_start; - } - - /* FALLTHROUGH */ - case s_req_port_start: - if (IS_NUM(ch)) { - return s_req_port; - } - - 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; - - /* We're in an error state. Don't bother doing anything. */ - if (HTTP_PARSER_ERRNO(parser) != HPE_OK) { - return 0; - } - - if (len == 0) { - switch (parser->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 (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_host_start: - case s_req_host_v6_start: - case s_req_host_v6: - case s_req_host_v6_end: - case s_req_host: - case s_req_port_start: - case s_req_port: - case s_req_query_string_start: - case s_req_query_string: - case s_req_fragment_start: - case s_req_fragment: - url_mark = data; - break; - } - - for (p=data; p != data + len; p++) { - ch = *p; - - if (PARSING_HEADER(parser->state)) { - ++parser->nread; - /* Buffer overflow attack */ - if (parser->nread > HTTP_MAX_HEADER_SIZE) { - 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 == 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') { - parser->state = s_res_or_resp_H; - - 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') { - 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 = ULLONG_MAX; - - switch (ch) { - case 'H': - parser->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'); - parser->state = s_res_HT; - break; - - case s_res_HT: - STRICT_CHECK(ch != 'T'); - parser->state = s_res_HTT; - break; - - case s_res_HTT: - STRICT_CHECK(ch != 'P'); - parser->state = s_res_HTTP; - break; - - case s_res_HTTP: - STRICT_CHECK(ch != '/'); - parser->state = s_res_first_http_major; - break; - - case s_res_first_http_major: - if (ch < '0' || ch > '9') { - 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 (!IS_NUM(ch)) { - SET_ERRNO(HPE_INVALID_VERSION); - goto error; - } - - parser->http_major *= 10; - parser->http_major += ch - '0'; - - if (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 (!IS_NUM(ch)) { - 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 (!IS_NUM(ch)) { - SET_ERRNO(HPE_INVALID_VERSION); - goto error; - } - - parser->http_minor *= 10; - parser->http_minor += ch - '0'; - - if (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'; - parser->state = s_res_status_code; - break; - } - - case s_res_status_code: - { - if (!IS_NUM(ch)) { - switch (ch) { - case ' ': - parser->state = s_res_status; - break; - case CR: - parser->state = s_res_line_almost_done; - break; - case LF: - parser->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 (parser->status_code > 999) { - SET_ERRNO(HPE_INVALID_STATUS); - goto error; - } - - break; - } - - case s_res_status: - /* the human readable status. e.g. "NOT FOUND" - * we are not humans so just ignore this */ - if (ch == CR) { - parser->state = s_res_line_almost_done; - break; - } - - if (ch == LF) { - parser->state = s_header_field_start; - break; - } - break; - - case s_res_line_almost_done: - STRICT_CHECK(ch != LF); - parser->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 (!IS_ALPHA(ch)) { - 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 */ 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: - SET_ERRNO(HPE_INVALID_METHOD); - goto error; - } - parser->state = s_req_method; - - CALLBACK_NOTIFY(message_begin); - - break; - } - - case s_req_method: - { - const char *matcher; - if (ch == '\0') { - 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 { - 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 { - goto error; - } - } else if (parser->method == HTTP_SUBSCRIBE) { - if (parser->index == 1 && ch == 'E') { - parser->method = HTTP_SEARCH; - } else { - 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 { - goto error; - } - } else if (parser->index == 2) { - if (parser->method == HTTP_PUT) { - if (ch == 'R') parser->method = HTTP_PURGE; - } else if (parser->method == HTTP_UNLOCK) { - if (ch == 'S') parser->method = HTTP_UNSUBSCRIBE; - } - } else if (parser->index == 4 && parser->method == HTTP_PROPFIND && ch == 'P') { - parser->method = HTTP_PROPPATCH; - } 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) { - parser->state = s_req_host_start; - } - - parser->state = parse_url_char((enum state)parser->state, ch); - if (parser->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_host_start: - case s_req_host_v6_start: - case s_req_host_v6: - case s_req_port_start: - { - switch (ch) { - /* No whitespace allowed here */ - case ' ': - case CR: - case LF: - SET_ERRNO(HPE_INVALID_URL); - goto error; - default: - parser->state = parse_url_char((enum state)parser->state, ch); - if (parser->state == s_dead) { - SET_ERRNO(HPE_INVALID_URL); - goto error; - } - } - - break; - } - - case s_req_host: - case s_req_host_v6_end: - case s_req_port: - 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; - CALLBACK_DATA(url); - break; - case CR: - case LF: - parser->http_major = 0; - parser->http_minor = 9; - parser->state = (ch == CR) ? - s_req_line_almost_done : - s_header_field_start; - CALLBACK_DATA(url); - break; - default: - parser->state = parse_url_char((enum state)parser->state, ch); - if (parser->state == s_dead) { - 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: - SET_ERRNO(HPE_INVALID_CONSTANT); - goto error; - } - break; - - case s_req_http_H: - STRICT_CHECK(ch != 'T'); - parser->state = s_req_http_HT; - break; - - case s_req_http_HT: - STRICT_CHECK(ch != 'T'); - parser->state = s_req_http_HTT; - break; - - case s_req_http_HTT: - STRICT_CHECK(ch != 'P'); - parser->state = s_req_http_HTTP; - break; - - case s_req_http_HTTP: - 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') { - 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 (!IS_NUM(ch)) { - SET_ERRNO(HPE_INVALID_VERSION); - goto error; - } - - parser->http_major *= 10; - parser->http_major += ch - '0'; - - if (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 (!IS_NUM(ch)) { - 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 == CR) { - parser->state = s_req_line_almost_done; - break; - } - - if (ch == LF) { - parser->state = s_header_field_start; - break; - } - - /* XXX allow spaces after digit? */ - - if (!IS_NUM(ch)) { - SET_ERRNO(HPE_INVALID_VERSION); - goto error; - } - - parser->http_minor *= 10; - parser->http_minor += ch - '0'; - - if (parser->http_minor > 999) { - SET_ERRNO(HPE_INVALID_VERSION); - goto error; - } - - break; - } - - /* end of request line */ - case s_req_line_almost_done: - { - if (ch != LF) { - SET_ERRNO(HPE_LF_EXPECTED); - goto error; - } - - parser->state = s_header_field_start; - break; - } - - case s_header_field_start: - { - if (ch == CR) { - parser->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*/ - parser->state = s_headers_almost_done; - goto reexecute_byte; - } - - c = TOKEN(ch); - - if (!c) { - SET_ERRNO(HPE_INVALID_HEADER_TOKEN); - goto error; - } - - 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 = 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(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; - } - break; - } - - if (ch == ':') { - parser->state = s_header_value_start; - CALLBACK_DATA(header_field); - break; - } - - if (ch == CR) { - parser->state = s_header_almost_done; - CALLBACK_DATA(header_field); - break; - } - - if (ch == LF) { - parser->state = s_header_field_start; - CALLBACK_DATA(header_field); - break; - } - - SET_ERRNO(HPE_INVALID_HEADER_TOKEN); - goto error; - } - - case s_header_value_start: - { - if (ch == ' ' || ch == '\t') break; - - MARK(header_value); - - parser->state = s_header_value; - parser->index = 0; - - if (ch == CR) { - parser->header_state = h_general; - parser->state = s_header_almost_done; - CALLBACK_DATA(header_value); - break; - } - - if (ch == LF) { - parser->state = s_header_field_start; - CALLBACK_DATA(header_value); - break; - } - - 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 (!IS_NUM(ch)) { - 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 == CR) { - parser->state = s_header_almost_done; - CALLBACK_DATA(header_value); - break; - } - - if (ch == LF) { - parser->state = s_header_almost_done; - CALLBACK_DATA_NOADVANCE(header_value); - goto reexecute_byte; - } - - c = 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 (!IS_NUM(ch)) { - SET_ERRNO(HPE_INVALID_CONTENT_LENGTH); - goto error; - } - - t = parser->content_length; - t *= 10; - t += ch - '0'; - - /* Overflow? */ - if (t < parser->content_length || t == ULLONG_MAX) { - 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(CHUNKED)-1 - || c != CHUNKED[parser->index]) { - parser->header_state = h_general; - } else if (parser->index == sizeof(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(KEEP_ALIVE)-1 - || c != KEEP_ALIVE[parser->index]) { - parser->header_state = h_general; - } else if (parser->index == sizeof(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(CLOSE)-1 || c != CLOSE[parser->index]) { - parser->header_state = h_general; - } else if (parser->index == sizeof(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: - { - STRICT_CHECK(ch != LF); - - parser->state = s_header_value_lws; - - 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; - } - - break; - } - - case s_header_value_lws: - { - if (ch == ' ' || ch == '\t') - parser->state = s_header_value_start; - else - { - parser->state = s_header_field_start; - goto reexecute_byte; - } - break; - } - - case s_headers_almost_done: - { - STRICT_CHECK(ch != LF); - - if (parser->flags & F_TRAILING) { - /* End of a chunked request */ - parser->state = NEW_MESSAGE(); - 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 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: - SET_ERRNO(HPE_CB_headers_complete); - return p - data; /* Error */ - } - } - - if (HTTP_PARSER_ERRNO(parser) != HPE_OK) { - return p - data; - } - - goto reexecute_byte; - } - - case s_headers_done: - { - STRICT_CHECK(ch != LF); - - parser->nread = 0; - - /* Exit, the rest of the connect is in a different protocol. */ - if (parser->upgrade) { - parser->state = NEW_MESSAGE(); - CALLBACK_NOTIFY(message_complete); - return (p - data) + 1; - } - - if (parser->flags & F_SKIPBODY) { - parser->state = NEW_MESSAGE(); - 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 = NEW_MESSAGE(); - CALLBACK_NOTIFY(message_complete); - } else if (parser->content_length != 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 = NEW_MESSAGE(); - CALLBACK_NOTIFY(message_complete); - } else { - /* Read body until EOF */ - parser->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) { - parser->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); - goto reexecute_byte; - } - - break; - } - - /* read until EOF */ - case s_body_identity_eof: - MARK(body); - p = data + len - 1; - - break; - - case s_message_done: - parser->state = NEW_MESSAGE(); - 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) { - 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 == 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; - } - - SET_ERRNO(HPE_INVALID_CHUNK_SIZE); - goto error; - } - - t = parser->content_length; - t *= 16; - t += unhex_val; - - /* Overflow? */ - if (t < parser->content_length || t == ULLONG_MAX) { - 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) { - parser->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; - parser->state = s_header_field_start; - } else { - parser->state = s_chunk_data; - } - 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) { - parser->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); - parser->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; - parser->state = s_chunk_size_start; - 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)) <= 1); - - CALLBACK_DATA_NOADVANCE(header_field); - CALLBACK_DATA_NOADVANCE(header_value); - CALLBACK_DATA_NOADVANCE(url); - CALLBACK_DATA_NOADVANCE(body); - - 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 (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 (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 method_strings[m]; -} - - -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; -} - -const char * -http_errno_name(enum http_errno err) { - assert(err < (sizeof(http_strerror_tab)/sizeof(http_strerror_tab[0]))); - return http_strerror_tab[err].name; -} - -const char * -http_errno_description(enum http_errno err) { - assert(err < (sizeof(http_strerror_tab)/sizeof(http_strerror_tab[0]))); - return http_strerror_tab[err].description; -} - -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; - - u->port = u->field_set = 0; - s = is_connect ? s_req_host_start : s_req_spaces_before_url; - uf = 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_host_start: - case s_req_host_v6_start: - case s_req_host_v6_end: - case s_req_port_start: - case s_req_query_string_start: - case s_req_fragment_start: - continue; - - case s_req_schema: - uf = UF_SCHEMA; - break; - - case s_req_host: - case s_req_host_v6: - uf = UF_HOST; - break; - - case s_req_port: - uf = UF_PORT; - 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; - } - - /* CONNECT requests can only contain "hostname:port" */ - if (is_connect && u->field_set != ((1 << UF_HOST)|(1 << UF_PORT))) { - return 1; - } - - /* Make sure we don't end somewhere unexpected */ - switch (s) { - case s_req_host_v6_start: - case s_req_host_v6: - case s_req_host_v6_end: - case s_req_host: - case s_req_port_start: - return 1; - default: - break; - } - - 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"); - } -} diff --git a/datastore-leveldb/src/http_parser.h b/datastore-leveldb/src/http_parser.h deleted file mode 100644 index 8ed4180..0000000 --- a/datastore-leveldb/src/http_parser.h +++ /dev/null @@ -1,318 +0,0 @@ -/* 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 - -#define HTTP_PARSER_VERSION_MAJOR 1 -#define HTTP_PARSER_VERSION_MINOR 0 - -#include -#if defined(_WIN32) && !defined(__MINGW32__) && (!defined(_MSC_VER) || _MSC_VER<1600) -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; - -typedef unsigned int size_t; -typedef int ssize_t; -#else -#include -#endif - -/* Compile with -DHTTP_PARSER_STRICT=0 to make less checks, but run - * faster - */ -#ifndef HTTP_PARSER_STRICT -# define HTTP_PARSER_STRICT 1 -#endif - -/* Compile with -DHTTP_PARSER_DEBUG=1 to add extra debugging information to - * the error reporting facility. - */ -#ifndef HTTP_PARSER_DEBUG -# define HTTP_PARSER_DEBUG 0 -#endif - - -/* Maximium header size allowed */ -#define HTTP_MAX_HEADER_SIZE (80*1024) - - -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_path" - * 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 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) \ - /* subversion */ \ - XX(16, REPORT, REPORT) \ - XX(17, MKACTIVITY, MKACTIVITY) \ - XX(18, CHECKOUT, CHECKOUT) \ - XX(19, MERGE, MERGE) \ - /* upnp */ \ - XX(20, MSEARCH, M-SEARCH) \ - XX(21, NOTIFY, NOTIFY) \ - XX(22, SUBSCRIBE, SUBSCRIBE) \ - XX(23, UNSUBSCRIBE, UNSUBSCRIBE) \ - /* RFC-5789 */ \ - XX(24, PATCH, PATCH) \ - XX(25, PURGE, PURGE) \ - -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_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 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") \ - \ - /* 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(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) - -/* Get the line number that generated the current error */ -#if HTTP_PARSER_DEBUG -#define HTTP_PARSER_ERRNO_LINE(p) ((p)->error_lineno) -#else -#define HTTP_PARSER_ERRNO_LINE(p) 0 -#endif - - -struct http_parser { - /** PRIVATE **/ - unsigned char type : 2; /* enum http_parser_type */ - unsigned char flags : 6; /* F_* values from 'flags' enum; semi-public */ - unsigned char state; /* enum state from http_parser.c */ - unsigned char header_state; /* enum header_state from http_parser.c */ - unsigned char index; /* 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 short status_code; /* responses only */ - unsigned char method; /* requests only */ - unsigned char 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 char upgrade : 1; - -#if HTTP_PARSER_DEBUG - uint32_t error_lineno; -#endif - - /** 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_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_MAX = 6 - }; - - -/* 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]; -}; - - -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 true, then this will be 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(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); - -#ifdef __cplusplus -} -#endif -#endif diff --git a/datastore-leveldb/src/server_eh.c b/datastore-leveldb/src/server_eh.c deleted file mode 100644 index 1fd3f9e..0000000 --- a/datastore-leveldb/src/server_eh.c +++ /dev/null @@ -1,222 +0,0 @@ -#include "server_eh.h" -#include "http_parser.h" - -#include -#include -#include -#include -#include -#include -#include - -// utils - -static inline int setnonblock(int fd) { - int flags = fcntl(fd, F_GETFL); - if (flags < 0) return flags; - flags |= O_NONBLOCK; - if (fcntl(fd, F_SETFL, flags) < 0) return -1; - return 0; -} - -#define REQUEST_BUFFER_SIZE 2048 - -#define alloc_cpy(dest, src, len) \ - dest = (char*)malloc(len + 1);\ - memcpy(dest, src, len);\ - dest[len] = '\0'; - -// http_parser callback and settings - -int null_cb(http_parser *parser) { return 0; } - -static int count = 0; -int url_cb(http_parser *parser, const char *buf, size_t len) { - count++; - struct http_request *request = (struct http_request *) parser->data; - request->method = parser->method; - request->http_major = parser->http_major; - request->http_minor = parser->http_minor; - alloc_cpy(request->url, buf, len) - if (count % 100 == 0) printf("%d\n", count); - return 0; -} - -int header_field_cb(http_parser *parser, const char *buf, size_t len) { - struct http_request *request = (struct http_request *) parser->data; - struct http_header *header = add_http_header(request); - alloc_cpy(header->name, buf, len) - return 0; -} - -int header_value_cb(http_parser *parser, const char *buf, size_t len) { - struct http_request *request = (struct http_request *) parser->data; - struct http_header *header = request->headers; - while (header->next != NULL) { - header = header->next; - } - alloc_cpy(header->value, buf, len) - return 0; -} - -int body_cb(http_parser *parser, const char *buf, size_t len) { - struct http_request *request = (struct http_request *) parser->data; - alloc_cpy(request->body, buf, len) - return 0; -} - -static http_parser_settings parser_settings = -{ - .on_message_begin = null_cb - ,.on_message_complete = null_cb - ,.on_headers_complete = null_cb - ,.on_header_field = header_field_cb - ,.on_header_value = header_value_cb - ,.on_url = url_cb - ,.on_body = body_cb -}; - -struct http_request *parse_request(char *request_data, int len) { - http_parser *parser = malloc(sizeof(http_parser)); - http_parser_init(parser, HTTP_REQUEST); - struct http_request *request = new_http_request(); - parser->data = request; - int res = http_parser_execute(parser, &parser_settings, request_data, len); - if (res == len) { - if (http_should_keep_alive(parser)) { - request->flags |= F_HREQ_KEEPALIVE; - } - free(parser); - return request; - } - delete_http_request(request); - free(parser); - return NULL; -} - -// libev callbacks and client structures - -struct client { - int fd; - ev_io ev_accept; - ev_io ev_read; - ev_io ev_write; - char *request_data; - struct http_request *request; - void (*handle_request)(struct http_request *request, int fd); -}; - -static void write_cb(struct ev_loop *loop, struct ev_io *w, int revents) { - if (!(revents & EV_WRITE)) { - ev_io_stop(EV_A_ w); - return; - } - struct client *client = - (struct client *) - (((char *) w) - offsetof(struct client, ev_write)); - struct http_request *request = client->request; - if (request == NULL) { - write(client->fd, "HTTP/1.1 400 Bad Request\r\n\r\n", 24); - close(client->fd); - free(client->request_data); - free(client); - ev_io_stop(EV_A_ w); - return; - } - client->handle_request(request, client->fd); - delete_http_request(request); - free(client->request_data); - free(client); - ev_io_stop(EV_A_ w); -} - -static void read_cb(struct ev_loop *loop, struct ev_io *w, int revents) { - if (!(revents & EV_READ)) { - ev_io_stop(EV_A_ w); - return; - } - struct client *client = - (struct client *) - (((char *) w) - offsetof(struct client, ev_read)); - char *rbuff[REQUEST_BUFFER_SIZE + 1]; - int sum = 0, len = 0; - client->request_data = NULL; - do { - len = read(client->fd, &rbuff, REQUEST_BUFFER_SIZE); - sum += len; - if (len < REQUEST_BUFFER_SIZE) - rbuff[len] = '\0'; - if (client->request_data == NULL) { - client->request_data = malloc(len+1); - memcpy(client->request_data, rbuff, len); - } else { - client->request_data = realloc(client->request_data, sum + 1); - memcpy(client->request_data + sum - len, rbuff, len); - } - } while (len == REQUEST_BUFFER_SIZE); - client->request = NULL; - client->request = parse_request(client->request_data, len); - ev_io_stop(EV_A_ w); - ev_io_init(&client->ev_write, write_cb, client->fd, EV_WRITE); - ev_io_start(loop, &client->ev_write); -} - -static void accept_cb(struct ev_loop *loop, struct ev_io *w, int revents) { - struct client *main_client = - (struct client *) - (((char *) w) - offsetof(struct client, ev_accept)); - struct sockaddr_in client_addr; - socklen_t client_len = sizeof(struct sockaddr_in); - int client_fd = accept(w->fd, (struct sockaddr *) &client_addr, &client_len); - if (client_fd == -1) { - return; - } - if (setnonblock(client_fd) < 0) { - perror("failed to set client socket to nonblock"); - return; - } - struct client *client = malloc(sizeof(struct client)); - client->handle_request = main_client->handle_request; - client->fd = client_fd; - ev_io_init(&client->ev_read, read_cb, client->fd, EV_READ); - ev_io_start(loop, &client->ev_read); -} - -int http_server_loop(struct http_server *server) { - server->loop = ev_default_loop(0); - int listen_fd = socket(AF_INET, SOCK_STREAM, 0); - if (listen_fd < 0) { - perror("listen failed(socket)"); - return -1; - } - int reuseaddr_on = 1; - if (setsockopt( - listen_fd, - SOL_SOCKET, - SO_REUSEADDR, - &reuseaddr_on, - sizeof(server->listen_addr)) == -1) { - perror("setsockopt failed"); - return -1; - } - struct sockaddr *listen_addr = (struct sockaddr *) server->listen_addr; - if (bind(listen_fd, listen_addr, sizeof(*listen_addr)) < 0) { - perror("bind failed"); - return -1; - } - if (listen(listen_fd, 5) < 0) { - perror("listen failed(listen)"); - return -1; - } - if (setnonblock(listen_fd) < 0) { - perror("failed to set server socket to nonblock"); - return -1; - } - struct client *main_client = malloc(sizeof(struct client)); - main_client->handle_request = server->handle_request; - ev_io_init(&main_client->ev_accept, accept_cb, listen_fd, EV_READ); - ev_io_start(server->loop, &main_client->ev_accept); - server->ev_accept = &main_client->ev_accept; - ev_loop(server->loop, 0); - return 0; -} diff --git a/datastore-leveldb/src/server_eh.h b/datastore-leveldb/src/server_eh.h deleted file mode 100644 index 9f03dba..0000000 --- a/datastore-leveldb/src/server_eh.h +++ /dev/null @@ -1,86 +0,0 @@ -#ifndef server_eh -#define server_eh 1 - -#include - -// http request components - -struct http_header { - char *name, *value; - struct http_header *next; -}; - -static inline struct http_header *new_http_header() { - struct http_header *header = (struct http_header*)malloc(sizeof(struct http_header)); - header->name = NULL; - header->value = NULL; - header->next = NULL; - return header; -} - -static inline void delete_http_header(struct http_header *header) { - if (header->name != NULL) free(header->name); - if (header->value != NULL) free(header->value); - free(header); -} - -struct http_request { - char method, *url, *body; - unsigned int flags; - unsigned short http_major, http_minor; - struct http_header *headers; -}; - -#define F_HREQ_KEEPALIVE 0x01 - -static inline struct http_request *new_http_request() { - struct http_request *request = (struct http_request*)malloc(sizeof(struct http_request)); - request->headers = NULL; - request->url = NULL; - request->body = NULL; - request->flags = 0; - request->http_major = 0; - request->http_minor = 0; - return request; -} - -static inline void delete_http_request(struct http_request *request) { - if (request->url != NULL) free(request->url); - if (request->body != NULL) free(request->body); - struct http_header *header = request->headers; - while (header != NULL) { - struct http_header *to_delete = header; - header = header->next; - delete_http_header(to_delete); - } - free(request); -} - -static inline struct http_header *add_http_header(struct http_request *request) { - struct http_header *header = request->headers; - while (header != NULL) { - if (header->next == NULL) { - header->next = new_http_header(); - return header->next; - } - header = header->next; - } - request->headers = new_http_header(); - return request->headers; -} - -// server library interface - -#include -#include - -struct http_server { - struct ev_loop *loop; - struct sockaddr_in *listen_addr; - void (*handle_request)(struct http_request *request, int fd); - struct ev_io *ev_accept; -}; - -int http_server_loop(struct http_server *server); - -#endif -- cgit v1.2.1