/* Needed for pcre choice */
#include "config.h"
+#ifdef FEATURE_HTTPS_FILTERING
+#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
struct map_entry *last;
};
+#ifdef FEATURE_HTTPS_FILTERING
+/*
+ * 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 **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_FILTERING
+ int client_ssl; /**< Flag if we should comunicate with slient over ssl */
+ int server_ssl; /**< Flag if we should comunicate 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_FILTERING
+/*
+ * Properties of cert for generating
+ */
+typedef struct{
+ char *issuer_crt; /* filename of the issuer certificate */
+ char *subject_key; /* filename of the subject key file */
+ char *issuer_key; /* filename of the issuer key file */
+ const char *subject_pwd; /* password for the subject key file */
+ const char *issuer_pwd; /* password for the issuer key file */
+ char *output_file; /* where to store the constructed key file */
+ const char *subject_name; /* subject name for certificate */
+ char issuer_name[ISSUER_NAME_BUF_SIZE]; /* issuer name for certificate */
+ const char *not_before; /* validity period not before */
+ const char *not_after; /* validity period not after */
+ const char *serial; /* serial number string */
+ int is_ca; /* is a CA certificate */
+ int max_pathlen; /* maximum CA path length */
+} cert_options;
+
+/*
+ * Properties of key for generating
+ */
+typedef struct{
+ mbedtls_pk_type_t type; /* type of key to generate */
+ int rsa_keysize; /* length of key in bits */
+ char *key_file_path; /* filename of the key file */
+} key_options;
+
+/*
+ * Struct for linked list containing certificates
+ */
+typedef struct certs_chain {
+ char text_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
#define ACTION_LIMIT_COOKIE_LIFETIME 0x08000000UL
/** Action bitmap: Delay writes */
#define ACTION_DELAY_RESPONSE 0x10000000UL
-
+/** Action bitmap: Turn https filtering on */
+#define ACTION_ENABLE_HTTPS_FILTER 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
/* XXX: should be renamed to server_iob */
struct iob iob[1];
+#ifdef FEATURE_HTTPS_FILTERING
+ 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];
* or NULL. Currently only used for socks errors.
*/
char *error_message;
+
+#ifdef FEATURE_HTTPS_FILTERING
+ /* 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
+ * informations and string with whole certificate file
+ */
+ struct certs_chain server_certs_chain;
+#endif
};
/**
/** Nonzero if we need to bind() to the new port. */
int need_bind;
+
+#ifdef FEATURE_HTTPS_FILTERING
+ /** 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. */
projects / privoxy.git / blobdiff