libs/luci-lib-nixio/axTLS/httpd/axhttp.h

   1 /*
   2  * Copyright (c) 2007, Cameron Rich
   3  *
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are met:
   8  *
   9  * * Redistributions of source code must retain the above copyright notice,
  10  *   this list of conditions and the following disclaimer.
  11  * * Redistributions in binary form must reproduce the above copyright notice,
  12  *   this list of conditions and the following disclaimer in the documentation
  13  *   and/or other materials provided with the distribution.
  14  * * Neither the name of the axTLS project nor the names of its contributors
  15  *   may be used to endorse or promote products derived from this software
  16  *   without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  22  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  23  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  24  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  25  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  26  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  27  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "ssl.h"
  32
  33 #define BACKLOG 15
  34 #define VERSION "1.0.0"
  35 #ifdef CONFIG_HTTP_HAS_IPV6
  36 #define HAVE_IPV6
  37 #endif
  38
  39 #define MAXPOSTDATASIZE                     30000
  40 #define MAXREQUESTLENGTH                    256
  41 #define BLOCKSIZE                           4096
  42
  43 #define INITIAL_CONNECTION_SLOTS            10
  44 #define CONFIG_HTTP_DEFAULT_SSL_OPTIONS     SSL_DISPLAY_CERTS
  45
  46 #define STATE_WANT_TO_READ_HEAD             1
  47 #define STATE_WANT_TO_SEND_HEAD             2
  48 #define STATE_WANT_TO_READ_FILE             3
  49 #define STATE_WANT_TO_SEND_FILE             4
  50 #define STATE_DOING_DIR                     5
  51
  52 enum
  53 {
  54     TYPE_GET,
  55     TYPE_HEAD,
  56     TYPE_POST
  57 };
  58
  59 struct connstruct
  60 {
  61     struct connstruct *next;
  62     int state;
  63     int reqtype;
  64     int networkdesc;
  65     int filedesc;
  66     SSL *ssl;
  67
  68 #if defined(CONFIG_HTTP_DIRECTORIES)
  69 #ifdef WIN32
  70     HANDLE dirp;
  71     WIN32_FIND_DATA file_data;
  72 #else
  73     DIR *dirp;
  74 #endif
  75 #endif
  76
  77     time_t timeout;
  78     char actualfile[MAXREQUESTLENGTH];
  79     char filereq[MAXREQUESTLENGTH];
  80     char dirname[MAXREQUESTLENGTH];
  81     char server_name[MAXREQUESTLENGTH];
  82     int numbytes;
  83     char databuf[BLOCKSIZE];
  84     uint8_t is_ssl;
  85     uint8_t close_when_done;
  86     time_t if_modified_since;
  87
  88 #if defined(CONFIG_HTTP_HAS_CGI)
  89     uint8_t is_cgi;
  90 #ifdef CONFIG_HTTP_ENABLE_LUA
  91     uint8_t is_lua;
  92 #endif
  93     int content_length;
  94     char remote_addr[MAXREQUESTLENGTH];
  95     char uri_request[MAXREQUESTLENGTH];
  96     char uri_path_info[MAXREQUESTLENGTH];
  97     char uri_query[MAXREQUESTLENGTH];
  98     char cookie[MAXREQUESTLENGTH];
  99 #endif
 100 #if defined(CONFIG_HTTP_HAS_AUTHORIZATION)
 101     char authorization[MAXREQUESTLENGTH];
 102 #endif
 103   int post_read;
 104   int post_state;
 105   char *post_data;
 106 };
 107
 108 struct serverstruct
 109 {
 110     struct serverstruct *next;
 111     int sd;
 112     int is_ssl;
 113     SSL_CTX *ssl_ctx;
 114 };
 115
 116 #if defined(CONFIG_HTTP_HAS_CGI)
 117 struct cgiextstruct
 118 {
 119     struct cgiextstruct *next;
 120     char *ext;
 121 };
 122 #endif
 123
 124 /* global prototypes */
 125 extern struct serverstruct *servers;
 126 extern struct connstruct *usedconns;
 127 extern struct connstruct *freeconns;
 128 extern const char * const server_version;
 129
 130 #if defined(CONFIG_HTTP_HAS_CGI)
 131 extern struct cgiextstruct *cgiexts;
 132 #endif
 133
 134 /* conn.c prototypes */
 135 void removeconnection(struct connstruct *cn);
 136
 137 /* proc.c prototypes */
 138 void procdodir(struct connstruct *cn);
 139 void procreadhead(struct connstruct *cn);
 140 void procsendhead(struct connstruct *cn);
 141 void procreadfile(struct connstruct *cn);
 142 void procsendfile(struct connstruct *cn);
 143 #if defined(CONFIG_HTTP_HAS_CGI)
 144 void read_post_data(struct connstruct *cn);
 145 #endif
 146
 147 /* misc.c prototypes */
 148 char *my_strncpy(char *dest, const char *src, size_t n);
 149 int isdir(const char *name);
 150
 151 /* tdate prototypes */
 152 void tdate_init(void);
 153 time_t tdate_parse(const char* str);
 154