Updated http-parser

src/http-parser/AUTHORS

@@ -28,7 +28,7 @@ Andre Caron <andre.l.caron@gmail.com>
 Ivo Raisr <ivosh@ivosh.net>
 James McLaughlin <jamie@lacewing-project.org>
 David Gwynne <loki@animata.net>
-LE ROUX Thomas <thomas@procheo.fr>
+Thomas LE ROUX <thomas@procheo.fr>
 Randy Rizun <rrizun@ortivawireless.com>
 Andre Louis Caron <andre.louis.caron@usherbrooke.ca>
 Simon Zimmermann <simonz05@gmail.com>
@@ -36,3 +36,6 @@ Erik Dubbelboer <erik@dubbelboer.com>
 Martell Malone <martellmalone@gmail.com>
 Bertrand Paquet <bpaquet@octo.com>
 BogDan Vatra <bogdan@kde.org>
+Peter Faiman <peter@thepicard.org>
+Corey Richardson <corey@octayn.net>
+Tóth Tamás <tomika_nospam@freemail.hu>

src/http-parser/contrib/parsertrace.c

+/* 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.
+ */
+
+/* Dump what the parser finds to stdout as it happen */
+
+#include "http_parser.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int on_message_begin(http_parser* _) {
+  (void)_;
+  printf("\n***MESSAGE BEGIN***\n\n");
+  return 0;
+}
+
+int on_headers_complete(http_parser* _) {
+  (void)_;
+  printf("\n***HEADERS COMPLETE***\n\n");
+  return 0;
+}
+
+int on_message_complete(http_parser* _) {
+  (void)_;
+  printf("\n***MESSAGE COMPLETE***\n\n");
+  return 0;
+}
+
+int on_url(http_parser* _, const char* at, size_t length) {
+  (void)_;
+  printf("Url: %.*s\n", (int)length, at);
+  return 0;
+}
+
+int on_header_field(http_parser* _, const char* at, size_t length) {
+  (void)_;
+  printf("Header field: %.*s\n", (int)length, at);
+  return 0;
+}
+
+int on_header_value(http_parser* _, const char* at, size_t length) {
+  (void)_;
+  printf("Header value: %.*s\n", (int)length, at);
+  return 0;
+}
+
+int on_body(http_parser* _, const char* at, size_t length) {
+  (void)_;
+  printf("Body: %.*s\n", (int)length, at);
+  return 0;
+}
+
+void usage(const char* name) {
+  fprintf(stderr,
+          "Usage: %s $type $filename\n"
+          "  type: -x, where x is one of {r,b,q}\n"
+          "  parses file as a Response, reQuest, or Both\n",
+          name);
+  exit(EXIT_FAILURE);
+}
+
+int main(int argc, char* argv[]) {
+  enum http_parser_type file_type;
+
+  if (argc != 3) {
+    usage(argv[0]);
+  }
+
+  char* type = argv[1];
+  if (type[0] != '-') {
+    usage(argv[0]);
+  }
+
+  switch (type[1]) {
+    /* in the case of "-", type[1] will be NUL */
+    case 'r':
+      file_type = HTTP_RESPONSE;
+      break;
+    case 'q':
+      file_type = HTTP_REQUEST;
+      break;
+    case 'b':
+      file_type = HTTP_BOTH;
+      break;
+    default:
+      usage(argv[0]);
+  }
+
+  char* filename = argv[2];
+  FILE* file = fopen(filename, "r");
+  if (file == NULL) {
+    perror("fopen");
+    return EXIT_FAILURE;
+  }
+
+  fseek(file, 0, SEEK_END);
+  long file_length = ftell(file);
+  if (file_length == -1) {
+    perror("ftell");
+    return EXIT_FAILURE;
+  }
+  fseek(file, 0, SEEK_SET);
+
+  char* data = malloc(file_length);
+  if (fread(data, 1, file_length, file) != (size_t)file_length) {
+    fprintf(stderr, "couldn't read entire file\n");
+    free(data);
+    return EXIT_FAILURE;
+  }
+
+  http_parser_settings settings;
+  memset(&settings, 0, sizeof(settings));
+  settings.on_message_begin = on_message_begin;
+  settings.on_url = on_url;
+  settings.on_header_field = on_header_field;
+  settings.on_header_value = on_header_value;
+  settings.on_headers_complete = on_headers_complete;
+  settings.on_body = on_body;
+  settings.on_message_complete = on_message_complete;
+
+  http_parser parser;
+  http_parser_init(&parser, file_type);
+  size_t nparsed = http_parser_execute(&parser, &settings, data, file_length);
+  free(data);
+
+  if (nparsed != (size_t)file_length) {
+    fprintf(stderr,
+            "Error: %s (%s)\n",
+            http_errno_description(HTTP_PARSER_ERRNO(&parser)),
+            http_errno_name(HTTP_PARSER_ERRNO(&parser)));
+    return EXIT_FAILURE;
+  }
+
+  return EXIT_SUCCESS;
+}

src/http-parser/http_parser.c

@@ -866,6 +866,7 @@ size_t http_parser_execute (http_parser *parser,
       case s_res_line_almost_done:
         STRICT_CHECK(ch != LF);
         parser->state = s_header_field_start;
+        CALLBACK_NOTIFY(status_complete);
         break;
 
       case s_start_req:
@@ -1967,7 +1968,7 @@ http_parse_host_char(enum http_host_state s, const char ch) {
 
     /* FALLTHROUGH */
     case s_http_host_v6_start:
-      if (IS_HEX(ch) || ch == ':') {
+      if (IS_HEX(ch) || ch == ':' || ch == '.') {
         return s_http_host_v6;
       }
 

src/http-parser/http_parser.h

@@ -30,6 +30,7 @@ extern "C" {
 #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;
@@ -38,8 +39,6 @@ typedef __int32 int32_t;
 typedef unsigned __int32 uint32_t;
 typedef __int64 int64_t;
 typedef unsigned __int64 uint64_t;
-typedef SIZE_T size_t;
-typedef SSIZE_T ssize_t;
 #else
 #include <stdint.h>
 #endif
@@ -142,6 +141,7 @@ enum flags
                                                                      \
   /* Callback-related errors */                                      \
   XX(CB_message_begin, "the on_message_begin callback failed")       \
+  XX(CB_status_complete, "the on_status_complete 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")         \
@@ -222,6 +222,7 @@ struct http_parser {
 struct http_parser_settings {
   http_cb      on_message_begin;
   http_data_cb on_url;
+  http_cb      on_status_complete;
   http_data_cb on_header_field;
   http_data_cb on_header_value;
   http_cb      on_headers_complete;

src/http-parser/test.c

@@ -32,7 +32,7 @@
 #define FALSE 0
 
 #define MAX_HEADERS 13
-#define MAX_ELEMENT_SIZE 500
+#define MAX_ELEMENT_SIZE 2048
 
 #define MIN(a,b) ((a) < (b) ? (a) : (b))
 
@@ -1413,11 +1413,88 @@ const struct message responses[] =
 , {.name= NULL } /* sentinel */
 };
 
+/* strnlen() is a POSIX.2008 addition. Can't rely on it being available so
+ * define it ourselves.
+ */
+size_t
+strnlen(const char *s, size_t maxlen)
+{
+  const char *p;
+
+  p = memchr(s, '\0', maxlen);
+  if (p == NULL)
+    return maxlen;
+
+  return p - s;
+}
+
+size_t
+strlncat(char *dst, size_t len, const char *src, size_t n)
+{
+  size_t slen;
+  size_t dlen;
+  size_t rlen;
+  size_t ncpy;
+
+  slen = strnlen(src, n);
+  dlen = strnlen(dst, len);
+
+  if (dlen < len) {
+    rlen = len - dlen;
+    ncpy = slen < rlen ? slen : (rlen - 1);
+    memcpy(dst + dlen, src, ncpy);
+    dst[dlen + ncpy] = '\0';
+  }
+
+  assert(len > slen + dlen);
+  return slen + dlen;
+}
+
+size_t
+strlcat(char *dst, const char *src, size_t len)
+{
+  return strlncat(dst, len, src, (size_t) -1);
+}
+
+size_t
+strlncpy(char *dst, size_t len, const char *src, size_t n)
+{
+  size_t slen;
+  size_t ncpy;
+
+  slen = strnlen(src, n);
+
+  if (len > 0) {
+    ncpy = slen < len ? slen : (len - 1);
+    memcpy(dst, src, ncpy);
+    dst[ncpy] = '\0';
+  }
+
+  assert(len > slen);
+  return slen;
+}
+
+size_t
+strlcpy(char *dst, const char *src, size_t len)
+{
+  return strlncpy(dst, len, src, (size_t) -1);
+}
+
 int
 request_url_cb (http_parser *p, const char *buf, size_t len)
 {
   assert(p == parser);
-  strncat(messages[num_messages].request_url, buf, len);
+  strlncat(messages[num_messages].request_url,
+           sizeof(messages[num_messages].request_url),
+           buf,
+           len);
+  return 0;
+}
+
+int
+status_complete_cb (http_parser *p) {
+  assert(p == parser);
+  p->data++;
   return 0;
 }
 
@@ -1430,7 +1507,10 @@ header_field_cb (http_parser *p, const char *buf, size_t len)
   if (m->last_header_element != FIELD)
     m->num_headers++;
 
-  strncat(m->headers[m->num_headers-1][0], buf, len);
+  strlncat(m->headers[m->num_headers-1][0],
+           sizeof(m->headers[m->num_headers-1][0]),
+           buf,
+           len);
 
   m->last_header_element = FIELD;
 
@@ -1443,7 +1523,10 @@ header_value_cb (http_parser *p, const char *buf, size_t len)
   assert(p == parser);
   struct message *m = &messages[num_messages];
 
-  strncat(m->headers[m->num_headers-1][1], buf, len);
+  strlncat(m->headers[m->num_headers-1][1],
+           sizeof(m->headers[m->num_headers-1][1]),
+           buf,
+           len);
 
   m->last_header_element = VALUE;
 
@@ -1467,7 +1550,10 @@ int
 body_cb (http_parser *p, const char *buf, size_t len)
 {
   assert(p == parser);
-  strncat(messages[num_messages].body, buf, len);
+  strlncat(messages[num_messages].body,
+           sizeof(messages[num_messages].body),
+           buf,
+           len);
   messages[num_messages].body_size += len;
   check_body_is_final(p);
  // printf("body_cb: '%s'\n", requests[num_messages].body);
@@ -2135,6 +2221,25 @@ const struct url_test url_tests[] =
   ,.rv=0
   }
 
+, {.name="ipv4 in ipv6 address"
+  ,.url="http://[2001:0000:0000:0000:0000:0000:1.9.1.1]/"
+  ,.is_connect=0
+  ,.u=
+    {.field_set=(1 << UF_SCHEMA) | (1 << UF_HOST) | (1 << UF_PATH)
+    ,.port=0
+    ,.field_data=
+      {{  0,  4 } /* UF_SCHEMA */
+      ,{  8, 37 } /* UF_HOST */
+      ,{  0,  0 } /* UF_PORT */
+      ,{ 46,  1 } /* UF_PATH */
+      ,{  0,  0 } /* UF_QUERY */
+      ,{  0,  0 } /* UF_FRAGMENT */
+      ,{  0,  0 } /* UF_USERINFO */
+      }
+    }
+  ,.rv=0
+  }
+
 , {.name="extra ? in query string"
   ,.url="http://a.tbcdn.cn/p/fp/2010c/??fp-header-min.css,fp-base-min.css,"
   "fp-channel-min.css,fp-product-min.css,fp-mall-min.css,fp-category-min.css,"
@@ -2489,7 +2594,7 @@ dump_url (const char *url, const struct http_parser_url *u)
       continue;
     }
 
-    printf("\tfield_data[%u]: off: %u len: %u part: \"%.*s\n",
+    printf("\tfield_data[%u]: off: %u len: %u part: \"%.*s\n\"",
            i,
            u->field_data[i].off,
            u->field_data[i].len,
@@ -2879,15 +2984,15 @@ test_scan (const struct message *r1, const struct message *r2, const struct mess
         parser_init(type_both ? HTTP_BOTH : r1->type);
 
         buf1_len = i;
-        strncpy(buf1, total, buf1_len);
+        strlncpy(buf1, sizeof(buf1), total, buf1_len);
         buf1[buf1_len] = 0;
 
         buf2_len = j - i;
-        strncpy(buf2, total+i, buf2_len);
+        strlncpy(buf2, sizeof(buf1), total+i, buf2_len);
         buf2[buf2_len] = 0;
 
         buf3_len = total_len - j;
-        strncpy(buf3, total+j, buf3_len);
+        strlncpy(buf3, sizeof(buf1), total+j, buf3_len);
         buf3[buf3_len] = 0;
 
         read = parse(buf1, buf1_len);
@@ -2991,6 +3096,20 @@ create_large_chunked_message (int body_size_in_kb, const char* headers)
   return buf;
 }
 
+void
+test_status_complete (void)
+{
+  parser_init(HTTP_RESPONSE);
+  parser->data = 0;
+  http_parser_settings settings = settings_null;
+  settings.on_status_complete = status_complete_cb;
+
+  char *response = "don't mind me, just a simple response";
+  http_parser_execute(parser, &settings, response, strlen(response));
+  assert(parser->data == (void*)0); // the status_complete callback was never called
+  assert(parser->http_errno == HPE_INVALID_CONSTANT); // the errno for an invalid status line
+}
+
 /* Verify that we can pause parsing at any of the bytes in the
  * message and still get the result that we're expecting. */
 void
@@ -3298,6 +3417,8 @@ main (void)
            , &requests[CONNECT_REQUEST]
            );
 
+  test_status_complete();
+
   puts("requests okay");
 
   return 0;

src/shrpx_http_downstream_connection.cc

@@ -417,6 +417,7 @@ namespace {
 http_parser_settings htp_hooks = {
   0, /*http_cb      on_message_begin;*/
   0, /*http_data_cb on_url;*/
+  0, /*http_cb on_status_complete */
   htp_hdr_keycb, /*http_data_cb on_header_field;*/
   htp_hdr_valcb, /*http_data_cb on_header_value;*/
   htp_hdrs_completecb, /*http_cb      on_headers_complete;*/

src/shrpx_https_upstream.cc

@@ -241,6 +241,7 @@ namespace {
 http_parser_settings htp_hooks = {
   htp_msg_begin, /*http_cb      on_message_begin;*/
   htp_uricb, /*http_data_cb on_url;*/
+  0, /*http_cb on_status_complete */
   htp_hdr_keycb, /*http_data_cb on_header_field;*/
   htp_hdr_valcb, /*http_data_cb on_header_value;*/
   htp_hdrs_completecb, /*http_cb      on_headers_complete;*/