src/isds_priv.h

   1 #ifndef __ISDS_ISDS_PRIV_H__
   2 #define __ISDS_ISDS_PRIV_H__
   3
   4 /* Feature macros to enable some declarations. This is kept here to align all
   5  * header files to one shape. */
   6 #ifndef _XOPEN_SOURCE
   7 /* >= 500: strdup(3) from string.h, strptime(3) from time.h */
   8 /* >= 600: setenv(3) */
   9 /* >= 700: strndup(3) from string.h */
  10 #define _XOPEN_SOURCE 700
  11 #endif
  12
  13 #ifndef _POSIX_SOURCE
  14 /* defined: strtok_r */
  15 #define _POSIX_SOURCE
  16 #endif
  17
  18 /* Structures not to export outside library */
  19 #include "../config.h"
  20 #include "isds.h"
  21 #if HAVE_LIBCURL
  22     #include <curl/curl.h>
  23 #endif
  24 #include <libxml/parser.h>
  25 #include <libxml/xpath.h>
  26 #include <libxml/xpathInternals.h>
  27 #include <libxml/xmlsave.h>
  28 #include "gettext.h"
  29
  30 #define _(x) ((const char *) dgettext(PACKAGE, (x)))
  31 #define N_(x) (x)
  32
  33 #define SOAP_NS "http://schemas.xmlsoap.org/soap/envelope/"
  34 #define SOAP2_NS "http://www.w3.org/2003/05/soap-envelope"
  35 #define ISDS1_NS "http://isds.czechpoint.cz"
  36 #define ISDS_NS "http://isds.czechpoint.cz/v20"
  37 #define OISDS_NS "http://isds.czechpoint.cz/v20/asws"
  38 #define SISDS_INCOMING_NS "http://isds.czechpoint.cz/v20/message"
  39 #define SISDS_OUTGOING_NS "http://isds.czechpoint.cz/v20/SentMessage"
  40 #define SISDS_DELIVERY_NS "http://isds.czechpoint.cz/v20/delivery"
  41 #define SCHEMA_NS "http://www.w3.org/2001/XMLSchema"
  42 #define DEPOSIT_NS "urn:uschovnaWSDL"
  43
  44
  45 /* Used to choose proper name space for message elements.
  46  * See _isds_register_namespaces(). */
  47 typedef enum {
  48     MESSAGE_NS_1,
  49     MESSAGE_NS_UNSIGNED,
  50     MESSAGE_NS_SIGNED_INCOMING,
  51     MESSAGE_NS_SIGNED_OUTGOING,
  52     MESSAGE_NS_SIGNED_DELIVERY
  53 } message_ns_type;
  54
  55 /* Type of a context */
  56 typedef enum {
  57     CTX_TYPE_NONE = 0,  /* Not configured for any connection yet */
  58     CTX_TYPE_ISDS,      /* Connection to ISDS */
  59     CTX_TYPE_CZP,       /* Connection to Czech POINT document deposit */
  60     CTX_TYPE_TESTING_REQUEST_COLLECTOR /* Connection to server collectiong
  61                                           new testing box requests */
  62 } context_type;
  63
  64 /* Global variables.
  65  * Allocated in isds_init() and deallocated in isds_cleanup(). */
  66 extern unsigned int log_facilities;
  67 extern isds_log_level log_level;
  68 extern isds_log_callback log_callback;  /* Pass global log message to
  69                                            application. NULL to log to stderr
  70                                            itself */
  71 extern void *log_callback_data;         /* Application specific data to pass to
  72                                            registered log_callback function */
  73 extern const char *version_gpgme;       /* Static string with GPGME version */
  74 extern const char *version_gcrypt;      /* Static string with gcrypt version */
  75 extern const char *version_openssl;     /* Static string with OpenSSL version */
  76 extern const char *version_expat;       /* Static string with expat version */
  77 /* End of global variables */
  78
  79 /* Context */
  80 struct isds_ctx {
  81     context_type type;      /* Context type */
  82 #if HAVE_LIBCURL
  83     unsigned int timeout;   /* milliseconds */
  84     char *url;              /* URL of the ISDS web service */
  85     char *username;
  86     char *password;
  87     struct isds_pki_credentials *pki_credentials;
  88     _Bool otp;              /* This is OTP-authenticated context */
  89     struct isds_otp *otp_credentials;   /* Weak pointer to OTP credentials */
  90     _Bool mep;               /* This is mobile-key-authenticated context. */
  91     struct isds_mep *mep_credentials;   /* Weak pointer to mobile key credentials. */
  92     char *saved_username;   /* User name preserved after OTP log-in for OTP
  93                                password change */
  94     CURL *curl;             /* CURL session handle */
  95     _Bool *tls_verify_server;   /* Verify the server? */
  96     isds_progress_callback progress_callback;  /* Call it during
  97                                                    communication with server.
  98                                                    NULL for nothing */
  99     void *progress_callback_data;       /* Application provided argument
 100                                            for progress_callback */
 101     char *tls_ca_file;      /* File name with CA certificates */
 102     char *tls_ca_dir;       /* Directory name with CA certificates */
 103     char *tls_crl_file;     /* File name with CRL in PEM format */
 104 #endif /* HAVE_LIBCURL */
 105     _Bool normalize_mime_type; /* Normalize document MIME types? */
 106     char *long_message;     /* message buffer */
 107 };
 108
 109 /* Stores message into context' long_message buffer.
 110  * Application can pick the message up using isds_long_message().
 111  * NULL @message truncates the buffer but does not deallocate it.
 112  * @message is coded in locale encoding */
 113 isds_error isds_log_message(struct isds_ctx *context, const char *message);
 114
 115 /* Appends message into context' long_message buffer.
 116  * Application can pick the message up using isds_long_message().
 117  * NULL message has void effect. */
 118 isds_error isds_append_message(struct isds_ctx *context, const char *message);
 119
 120 /* Stores formated message into context' long_message buffer.
 121  * Application can pick the message up using isds_long_message(). */
 122 isds_error isds_printf_message(struct isds_ctx *context,
 123         const char *format, ...);
 124
 125 /* Log @message in class @facility with log @level into global log. @message
 126  * is printf(3) formating string, variadic arguments may be neccessary.
 127  * For debugging purposes. */
 128 isds_error isds_log(const isds_log_facility facility,
 129         const isds_log_level level, const char *message, ...);
 130
 131 /* Makes known all relevant namespaces to given XPath context
 132  * @xpath_ctx is XPath context
 133  * @message_ns selects propper message name space. Unsisnged and signed
 134  * messages and delivery infos differ in prefix and URI. */
 135 isds_error _isds_register_namespaces(xmlXPathContextPtr xpath_ctx,
 136         const message_ns_type message_ns);
 137
 138 #if HAVE_LIBCURL
 139 /* Discard credentials.
 140  * @context is ISDS context
 141  * @discard_saved_username is true for removing saved username, false for
 142  * keeping it.
 143  * Only that. It does not cause log out, connection close or similar. */
 144 isds_error _isds_discard_credentials(struct isds_ctx *context,
 145         _Bool discard_saved_username);
 146 #endif /* HAVE_LIBCURL */
 147
 148 #endif