#ifndef PROJECT_H_INCLUDED
#define PROJECT_H_INCLUDED
-/** Version string. */
-#define PROJECT_H_VERSION "$Id: project.h,v 1.201 2013/11/24 14:26:16 fabiankeil Exp $"
/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/project.h,v $
* project. Does not define any variables or functions
* (though it does declare some macros).
*
- * Copyright : Written by and Copyright (C) 2001-2012 the
- * Privoxy team. http://www.privoxy.org/
+ * Copyright : Written by and Copyright (C) 2001-2014 the
+ * Privoxy team. https://www.privoxy.org/
*
* Based on the Internet Junkbuster originally written
* by and Copyright (C) 1997 Anonymous Coders and
/* Needed for pcre choice */
#include "config.h"
+#ifdef FEATURE_HTTPS_INSPECTION
+#ifdef FEATURE_PTHREAD
+# include <pthread.h>
+ typedef pthread_mutex_t privoxy_mutex_t;
+#else
+# ifdef _WIN32
+# include <windows.h>
+# endif
+ typedef CRITICAL_SECTION privoxy_mutex_t;
+#endif
+
+#include "mbedtls/net_sockets.h"
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+
+#if defined(MBEDTLS_SSL_CACHE_C)
+#include "mbedtls/ssl_cache.h"
+#endif
+
+/*
+* Macros for SSL structures
+*/
+#define CERT_INFO_BUF_SIZE 4096
+#define CERT_FILE_BUF_SIZE 16384
+#define ISSUER_NAME_BUF_SIZE 2048
+#define HASH_OF_HOST_BUF_SIZE 16
+#endif
+
/* Need for struct sockaddr_storage */
#ifdef HAVE_RFC2553
# ifndef _WIN32
# include <sys/socket.h>
# else
# include <stdint.h>
-# include <winsock2.h>
# include <ws2tcpip.h>
typedef unsigned short in_port_t;
# endif
# endif
#endif
-#ifdef AMIGA
-#include "amiga.h"
-#endif /* def AMIGA */
-
#ifdef _WIN32
/*
* I don't want to have to #include all this just for the declaration
/**
* This macro is used to free a pointer that may be NULL.
* It also sets the variable to NULL after it's been freed.
- * The paramater should be a simple variable without side effects.
+ * The parameter should be a simple variable without side effects.
*/
#define freez(X) { if(X) { free((void*)X); X = NULL ; } }
/**
* A map from a string to another string.
- * This is used for the paramaters passed in a HTTP GET request, and
+ * This is used for the parameters passed in a HTTP GET request, and
* to store the exports when the CGI interface is filling in a template.
*/
struct map
struct map_entry *last;
};
+#ifdef FEATURE_HTTPS_INSPECTION
+/*
+ * Struct of attributes necessary for TLS/SSL connection
+ */
+typedef struct {
+ mbedtls_ssl_context ssl;
+ mbedtls_ssl_config conf;
+ mbedtls_net_context socket_fd;
+ mbedtls_x509_crt server_cert;
+ mbedtls_x509_crt ca_cert;
+ mbedtls_pk_context prim_key;
+
+ #if defined(MBEDTLS_SSL_CACHE_C)
+ mbedtls_ssl_cache_context cache;
+ #endif
+} mbedtls_connection_attr;
+#endif
/**
* A HTTP request. This includes the method (GET, POST) and
char *ocmd; /**< Backup of original cmd for CLF logging */
char *gpc; /**< HTTP method: GET, POST, ... */
char *url; /**< The URL */
- char *ver; /**< Protocol version */
+ char *version; /**< Protocol version */
int status; /**< HTTP Status */
char *host; /**< Host part of URL */
char *host_ip_addr_str; /**< String with dotted decimal representation
of host's IP. NULL before connect_to() */
-#ifndef FEATURE_EXTENDED_HOST_PATTERNS
char *dbuffer; /**< Buffer with '\0'-delimited domain name. */
char **dvec; /**< List of pointers to the strings in dbuffer. */
int dcount; /**< How many parts to this domain? (length of dvec) */
-#endif /* ndef FEATURE_EXTENDED_HOST_PATTERNS */
+
+#ifdef FEATURE_HTTPS_INSPECTION
+ int client_ssl; /**< Flag if we should communicate with client over ssl */
+ int server_ssl; /**< Flag if we should communicate with server over ssl */
+ unsigned char hash_of_host_hex[(HASH_OF_HOST_BUF_SIZE * 2) + 1]; /**< chars for hash in hex string and one for '\0' */
+ unsigned char hash_of_host[HASH_OF_HOST_BUF_SIZE+1]; /**< chars for bytes of hash and one for '\0' */
+#endif
};
+
+#ifdef FEATURE_HTTPS_INSPECTION
+/*
+ * Struct for linked list containing certificates
+ */
+typedef struct certs_chain {
+ char info_buf[CERT_INFO_BUF_SIZE]; /* text info about properties of certificate */
+ char file_buf[CERT_FILE_BUF_SIZE]; /* buffer for whole certificate - format to save in file */
+ struct certs_chain *next; /* next certificate in chain of trust */
+} certs_chain_t;
+#endif
+
/**
* Reasons for generating a http_response instead of delivering
* the requested resource. Mostly ordered the way they are checked
{
#ifdef FEATURE_EXTENDED_HOST_PATTERNS
regex_t *host_regex;/**< Regex for host matching */
-#else
+ enum host_regex_type { VANILLA_HOST_PATTERN, EXTENDED_HOST_PATTERN } host_regex_type;
+#endif /* defined FEATURE_EXTENDED_HOST_PATTERNS */
char *dbuffer; /**< Buffer with '\0'-delimited domain name, or NULL to match all hosts. */
char **dvec; /**< List of pointers to the strings in dbuffer. */
int dcount; /**< How many parts to this domain? (length of dvec) */
int unanchored; /**< Bitmap - flags are ANCHOR_LEFT and ANCHOR_RIGHT. */
-#endif /* defined FEATURE_EXTENDED_HOST_PATTERNS */
char *port_list; /**< List of acceptable ports, or NULL to match all ports */
/** Pattern spec bitmap: It's a NO-RESPONSE-TAG pattern. */
#define PATTERN_SPEC_NO_RESPONSE_TAG_PATTERN 0x00000008UL
+/** Pattern spec bitmap: It's a CLIENT-TAG pattern. */
+#define PATTERN_SPEC_CLIENT_TAG_PATTERN 0x00000010UL
+
/**
* An I/O buffer. Holds a string which can be appended to, and can have data
* removed from the beginning.
*/
#define CT_GZIP 0x0010U /**< gzip-compressed data. */
#define CT_DEFLATE 0x0020U /**< zlib-compressed data. */
+#define CT_BROTLI 0x0040U /**< Brotli-compressed data. */
/**
* Flag to signal that the server declared the content type,
* so we can differentiate between unknown and undeclared
* content types.
*/
-#define CT_DECLARED 0x0040U
+#define CT_DECLARED 0x0080U
/**
* The mask which includes all actions.
#define ACTION_CRUNCH_CLIENT_HEADER 0x00200000UL
/** Action bitmap: Enable text mode by force */
#define ACTION_FORCE_TEXT_MODE 0x00400000UL
-/** Action bitmap: Enable text mode by force */
+/** Action bitmap: Remove the "If-None-Match" header. */
#define ACTION_CRUNCH_IF_NONE_MATCH 0x00800000UL
/** Action bitmap: Enable content-disposition crunching */
#define ACTION_HIDE_CONTENT_DISPOSITION 0x01000000UL
#define ACTION_HIDE_ACCEPT_LANGUAGE 0x04000000UL
/** Action bitmap: Limit the cookie lifetime */
#define ACTION_LIMIT_COOKIE_LIFETIME 0x08000000UL
-
+/** Action bitmap: Delay writes */
+#define ACTION_DELAY_RESPONSE 0x10000000UL
+/** Action bitmap: Turn https inspection on */
+#define ACTION_HTTPS_INSPECTION 0x20000000UL
+/** Action bitmap: Turn certificates verification off */
+#define ACTION_IGNORE_CERTIFICATE_ERRORS 0x40000000UL
/** Action string index: How to deanimate GIFs */
#define ACTION_STRING_DEANIMATE 0
#define ACTION_STRING_CHANGE_X_FORWARDED_FOR 17
/** Action string index: how many minutes cookies should be valid. */
#define ACTION_STRING_LIMIT_COOKIE_LIFETIME 18
+/** Action string index: how many milliseconds writes should be delayed. */
+#define ACTION_STRING_DELAY_RESPONSE 19
/** Number of string actions. */
-#define ACTION_STRING_COUNT 19
+#define ACTION_STRING_COUNT 20
/* To make the ugly hack in sed easier to understand */
/** Index into current_action_spec::multi[] for server-header tags to apply. */
#define ACTION_MULTI_SERVER_HEADER_TAGGER 5
/** Number of multi-string actions. */
-#define ACTION_MULTI_COUNT 6
+#define ACTION_MULTI_EXTERNAL_FILTER 6
+/** Number of multi-string actions. */
+#define ACTION_MULTI_COUNT 7
/**
unsigned long flags;
/**
- * Paramaters for those actions that require them.
+ * Parameters for those actions that require them.
* Each entry is valid if & only if the corresponding entry in "flags" is
* set.
*/
unsigned long add; /**< Actions to add. A bit set to "1" means add action. */
/**
- * Paramaters for those actions that require them.
+ * Parameters for those actions that require them.
* Each entry is valid if & only if the corresponding entry in "flags" is
* set.
*/
};
enum forwarder_type {
- /**< Don't use a SOCKS server */
+ /**< Don't use a SOCKS server, forward to a HTTP proxy directly */
SOCKS_NONE = 0,
/**< original SOCKS 4 protocol */
SOCKS_4 = 40,
SOCKS_5 = 50,
/**< Like SOCKS5, but uses non-standard Tor extensions (currently only optimistic data) */
SOCKS_5T,
+ /**<
+ * Don't use a SOCKS server, forward to the specified webserver.
+ * The difference to SOCKS_NONE is that a request line without
+ * full URL is sent.
+ */
+ FORWARD_WEBSERVER,
};
/*
*/
#define CSP_FLAG_TOGGLED_ON 0x20U
-/**
- * Flag for csp->flags: Set if we answered the request ourselve.
- */
-#define CSP_FLAG_CRUNCHED 0x40U
-
/**
* Flag for csp->flags: Set if an acceptable Connection header
* has already been set by the client.
*/
#define CSP_FLAG_CHUNKED_CLIENT_BODY 0x01000000U
+/**
+ * Flag for csp->flags: Set if the client set the Expect header
+ */
+#define CSP_FLAG_UNSUPPORTED_CLIENT_EXPECTATION 0x02000000U
+
+/**
+ * Flag for csp->flags: Set if we answered the request ourselves.
+ */
+#define CSP_FLAG_CRUNCHED 0x04000000U
+
+#ifdef FUZZ
+/**
+ * Flag for csp->flags: Set if we are working with fuzzed input
+ */
+#define CSP_FLAG_FUZZED_INPUT 0x08000000U
+#endif
/*
* Flags for use in return codes of child processes
*/
/**
- * Flag for process return code: Set if exiting porcess has been toggled
+ * Flag for process return code: Set if exiting process has been toggled
* during its lifetime.
*/
#define RC_FLAG_TOGGLED 0x10
/**
- * Flag for process return code: Set if exiting porcess has blocked its
+ * Flag for process return code: Set if exiting process has blocked its
* request.
*/
#define RC_FLAG_BLOCKED 0x20
* Maximum number of actions/filter files. This limit is arbitrary - it's just used
* to size an array.
*/
-#define MAX_AF_FILES 30
+#define MAX_AF_FILES 100
/**
* Maximum number of sockets to listen to. This limit is arbitrary - it's just used
unsigned long ip_addr_long;
#endif /* def HAVE_RFC2553 */
+ /** The host name and port (as a string of the form '<hostname>:<port>')
+ of the server socket to which the client connected. */
+ char *listen_addr_str;
+
/** The URL that was requested */
struct http_request http[1];
/* XXX: should be renamed to server_iob */
struct iob iob[1];
+#ifdef FEATURE_HTTPS_INSPECTION
+ mbedtls_connection_attr mbedtls_server_attr; /* attributes for connection to server */
+ mbedtls_connection_attr mbedtls_client_attr; /* attributes for connection to client */
+#endif
+
/** An I/O buffer used for buffering data read from the client */
struct iob client_iob[1];
+ /** Buffer used to briefly store data read from the network
+ * before forwarding or processing it.
+ */
+ char *receive_buffer;
+ size_t receive_buffer_size;
+
/** List of all headers for this request */
struct list headers[1];
+#ifdef FEATURE_HTTPS_INSPECTION
+ /** List of all encrypted headers for this request */
+ struct list https_headers[1];
+#endif
+
/** List of all tags that apply to this request */
struct list tags[1];
+#ifdef FEATURE_CLIENT_TAGS
+ /** List of all tags that apply to this client (assigned based on address) */
+ struct list client_tags[1];
+ /** The address of the client the request (presumably) came from.
+ * Either the address returned by accept(), or the address provided
+ * with the X-Forwarded-For header, provided Privoxy has been configured
+ * to use it.
+ */
+ char *client_address;
+#endif
+
/** MIME-Type key, see CT_* above */
unsigned int content_type;
* or NULL. Currently only used for socks errors.
*/
char *error_message;
+
+#ifdef FEATURE_HTTPS_INSPECTION
+ /* Result of server certificate verification */
+ uint32_t server_cert_verification_result;
+
+ /* Flag for certificate validity checking */
+ int dont_verify_certificate;
+
+ /*
+ * Flags if SSL connection with server or client is opened.
+ * Thanks to this flags, we can call function to close both connections
+ * and we don't have to care about more details.
+ */
+ int ssl_with_server_is_opened;
+ int ssl_with_client_is_opened;
+
+ /*
+ * Server certificate chain of trust including strings with certificates
+ * information and string with whole certificate file
+ */
+ struct certs_chain server_certs_chain;
+#endif
};
/**
/** SOCKS server port. */
int gateway_port;
+ /** SOCKS5 username. */
+ char *auth_username;
+
+ /** SOCKS5 password. */
+ char *auth_password;
+
/** Parent HTTP proxy hostname, or NULL for none. */
char *forward_host;
FT_SERVER_HEADER_FILTER = 2,
FT_CLIENT_HEADER_TAGGER = 3,
FT_SERVER_HEADER_TAGGER = 4,
+#ifdef FEATURE_EXTERNAL_FILTERS
+ FT_EXTERNAL_CONTENT_FILTER = 5,
+#endif
FT_INVALID_FILTER = 42,
};
+
+#ifdef FEATURE_EXTERNAL_FILTERS
+#define MAX_FILTER_TYPES 6
+#else
#define MAX_FILTER_TYPES 5
+#endif
/**
* This struct represents one filter (one block) from
/** Maximum number of loaders (actions, re_filter, ...) */
#define NLOADERS 8
+/**
+ * This struct represents a client-spcific-tag and it's description
+ */
+struct client_tag_spec
+{
+ char *name; /**< Name from "client-specific-tag bla" directive */
+ char *description; /**< Description from "client-specific-tag-description " directive */
+ struct client_tag_spec *next; /**< The pointer for chaining. */
+};
/** configuration_spec::feature_flags: CGI actions editor. */
#define RUNTIME_FEATURE_CGI_EDIT_ACTIONS 1U
/** Nonzero to enable multithreading. */
int multi_threaded;
- /**
- * Bitmask of features that can be enabled/disabled through the config
- * file. Currently defined bits:
- *
- * - RUNTIME_FEATURE_CGI_EDIT_ACTIONS
- * - RUNTIME_FEATURE_CGI_TOGGLE
- * - RUNTIME_FEATURE_HTTP_TOGGLE
- * - RUNTIME_FEATURE_SPLIT_LARGE_FORMS
- * - RUNTIME_FEATURE_ACCEPT_INTERCEPTED_REQUESTS
- * - RUNTIME_FEATURE_ENFORCE_BLOCKS
- * - RUNTIME_FEATURE_CGI_CRUNCHING
- * - RUNTIME_FEATURE_CONNECTION_KEEP_ALIVE
- * - RUNTIME_FEATURE_CONNECTION_SHARING
- * - RUNTIME_FEATURE_EMPTY_DOC_RETURNS_OK
- */
+ /** Bitmask of features that can be controlled through the config file. */
unsigned feature_flags;
/** The log file name. */
/** The directory for customized CGI templates. */
const char *templdir;
+ /** "Cross-origin resource sharing" (CORS) allowed origin */
+ const char *cors_allowed_origin;
+
+#ifdef FEATURE_EXTERNAL_FILTERS
+ /** The template used to create temporary files. */
+ const char *temporary_directory;
+#endif
+
/** The log file directory. */
const char *logdir;
/** IP addresses to bind to. Defaults to HADDR_DEFAULT == 127.0.0.1. */
const char *haddr[MAX_LISTENING_SOCKETS];
+ /** Trusted referring site that can be used to reach CGI
+ * pages that aren't marked as harmful.
+ */
+ const char *trusted_cgi_referrer;
+
/** Ports to bind to. Defaults to HADDR_PORT == 8118. */
int hport[MAX_LISTENING_SOCKETS];
/** Size limit for IOB */
size_t buffer_limit;
+ /** Size of the receive buffer */
+ size_t receive_buffer_size;
+
+ /** Use accf_http(4) if available */
+ int enable_accept_filter;
+
+ /** Backlog passed to listen() */
+ int listen_backlog;
+
#ifdef FEATURE_TRUST
/** The file name of the trust file. */
#endif /* def FEATURE_TRUST */
+#ifdef FEATURE_CLIENT_TAGS
+ struct client_tag_spec client_tags[1];
+
+ /* Maximum number of seconds a temporarily enabled tag stays enabled. */
+ unsigned int client_tag_lifetime;
+#endif /* def FEATURE_CLIENT_TAGS */
+ int trust_x_forwarded_for;
+
#ifdef FEATURE_ACL
/** The access control list (ACL). */
/** Nonzero if we need to bind() to the new port. */
int need_bind;
+
+#ifdef FEATURE_HTTPS_INSPECTION
+ /** Password for proxy ca file **/
+ char * ca_password;
+
+ /** Directory with files of ca **/
+ char *ca_directory;
+
+ /** Filename of ca certificate **/
+ char * ca_cert_file;
+
+ /** Filename of ca key **/
+ char * ca_key_file;
+
+ /** Directory for saving certificates and keys for each webpage **/
+ char *certificate_directory;
+
+ /** Filename of trusted CAs certificates **/
+ char * trusted_cas_file;
+#endif
};
/** Calculates the number of elements in an array, using sizeof. */
#define SZ(X) (sizeof(X) / sizeof(*X))
-#ifdef FEATURE_FORCE_LOAD
-/** The force load URL prefix. */
+/** The force load URL prefix. Not behind an ifdef because
+ * it's always used for the show-status page. */
#define FORCE_PREFIX "/PRIVOXY-FORCE"
-#endif /* def FEATURE_FORCE_LOAD */
#ifdef FEATURE_NO_GIFS
/** The MIME type for images ("image/png" or "image/gif"). */
*/
/** URL for the Privoxy home page. */
-#define HOME_PAGE_URL "http://www.privoxy.org/"
+#define HOME_PAGE_URL "https://www.privoxy.org/"
/** URL for the Privoxy user manual. */
#define USER_MANUAL_URL HOME_PAGE_URL VERSION "/user-manual/"
* INCLUDES the trailing slash.
*/
#define CGI_PREFIX "http://" CGI_SITE_2_HOST CGI_SITE_2_PATH "/"
+#define CGI_PREFIX_HTTPS "https://" CGI_SITE_2_HOST CGI_SITE_2_PATH "/"
#endif /* ndef PROJECT_H_INCLUDED */
projects / privoxy.git / blobdiff