2 * "$Id: http-private.h 7850 2008-08-20 00:07:25Z mike $"
4 * Private HTTP definitions for CUPS.
6 * Copyright 2007-2010 by Apple Inc.
7 * Copyright 1997-2007 by Easy Software Products, all rights reserved.
9 * These coded instructions, statements, and computer programs are the
10 * property of Apple Inc. and are protected by Federal copyright
11 * law. Distribution and use rights are outlined in the file "LICENSE.txt"
12 * which should have been included with this file. If this file is
13 * file is missing or damaged, see the license at "http://www.cups.org/".
15 * This file is subject to the Apple OS-Developed Software exception.
18 #ifndef _CUPS_HTTP_PRIVATE_H_
19 # define _CUPS_HTTP_PRIVATE_H_
22 * Include necessary headers...
30 # include <sys/select.h>
36 # include <winsock2.h>
40 # include <sys/socket.h>
41 # define closesocket(f) close(f)
45 # ifdef HAVE_GSSAPI_GSSAPI_H
46 # include <gssapi/gssapi.h>
47 # endif /* HAVE_GSSAPI_GSSAPI_H */
48 # ifdef HAVE_GSSAPI_GSSAPI_GENERIC_H
49 # include <gssapi/gssapi_generic.h>
50 # endif /* HAVE_GSSAPI_GSSAPI_GENERIC_H */
51 # ifdef HAVE_GSSAPI_GSSAPI_KRB5_H
52 # include <gssapi/gssapi_krb5.h>
53 # endif /* HAVE_GSSAPI_GSSAPI_KRB5_H */
56 # endif /* HAVE_GSSAPI_H */
57 # ifndef HAVE_GSS_C_NT_HOSTBASED_SERVICE
58 # define GSS_C_NT_HOSTBASED_SERVICE gss_nt_service_name
59 # endif /* !HAVE_GSS_C_NT_HOSTBASED_SERVICE */
62 # endif /* HAVE_KRB5_H */
63 # endif /* HAVE_GSSAPI */
65 # ifdef HAVE_AUTHORIZATION_H
66 # include <Security/Authorization.h>
67 # endif /* HAVE_AUTHORIZATION_H */
69 # if defined(__sgi) || (defined(__APPLE__) && !defined(_SOCKLEN_T))
71 * IRIX and MacOS X 10.2.x do not define socklen_t, and in fact use an int instead of
72 * unsigned type for length values...
75 typedef int socklen_t
;
76 # endif /* __sgi || (__APPLE__ && !_SOCKLEN_T) */
78 # include <cups/http.h>
79 # include "md5-private.h"
80 # include "ipp-private.h"
82 # if defined HAVE_LIBSSL
84 * The OpenSSL library provides its own SSL/TLS context structure for its
85 * IO and protocol management. However, we need to provide our own BIO
86 * (basic IO) implementation to do timeouts...
89 # include <openssl/err.h>
90 # include <openssl/rand.h>
91 # include <openssl/ssl.h>
93 typedef SSL http_tls_t
;
95 extern BIO_METHOD
*_httpBIOMethods(void);
97 # elif defined HAVE_GNUTLS
99 * The GNU TLS library is more of a "bare metal" SSL/TLS library...
101 # include <gnutls/gnutls.h>
105 gnutls_session session
; /* GNU TLS session object */
106 void *credentials
; /* GNU TLS credentials object */
109 extern ssize_t
_httpReadGNUTLS(gnutls_transport_ptr ptr
, void *data
,
111 extern ssize_t
_httpWriteGNUTLS(gnutls_transport_ptr ptr
, const void *data
,
114 # elif defined(HAVE_CDSASSL)
116 * Darwin's Security framework provides its own SSL/TLS context structure
117 * for its IO and protocol management...
120 # include <Security/SecureTransport.h>
122 typedef struct /**** CDSA connection information ****/
124 SSLContextRef session
; /* CDSA session object */
125 CFArrayRef certsArray
; /* Certificates array */
128 extern OSStatus
_httpReadCDSA(SSLConnectionRef connection
, void *data
,
130 extern OSStatus
_httpWriteCDSA(SSLConnectionRef connection
, const void *data
,
132 # endif /* HAVE_LIBSSL */
135 struct _http_s
/**** HTTP connection structure. ****/
137 int fd
; /* File descriptor for this socket */
138 int blocking
; /* To block or not to block */
139 int error
; /* Last error on read */
140 time_t activity
; /* Time since last read/write */
141 http_state_t state
; /* State of client */
142 http_status_t status
; /* Status of last request */
143 http_version_t version
; /* Protocol version */
144 http_keepalive_t keep_alive
; /* Keep-alive supported? */
145 struct sockaddr_in _hostaddr
; /* Address of connected host @deprecated@ */
146 char hostname
[HTTP_MAX_HOST
],
147 /* Name of connected host */
148 fields
[HTTP_FIELD_MAX
][HTTP_MAX_VALUE
];
150 char *data
; /* Pointer to data buffer */
151 http_encoding_t data_encoding
; /* Chunked or not */
152 int _data_remaining
;/* Number of bytes left @deprecated@ */
153 int used
; /* Number of bytes used in buffer */
154 char buffer
[HTTP_MAX_BUFFER
];
155 /* Buffer for incoming data */
156 int auth_type
; /* Authentication in use */
157 _cups_md5_state_t md5_state
; /* MD5 state */
158 char nonce
[HTTP_MAX_VALUE
];
160 int nonce_count
; /* Nonce count */
161 void *tls
; /* TLS state information */
162 http_encryption_t encryption
; /* Encryption requirements */
163 /**** New in CUPS 1.1.19 ****/
164 fd_set
*input_set
; /* select() set for httpWait() @deprecated@ */
165 http_status_t expect
; /* Expect: header @since CUPS 1.1.19@ */
166 char *cookie
; /* Cookie value(s) @since CUPS 1.1.19@ */
167 /**** New in CUPS 1.1.20 ****/
168 char _authstring
[HTTP_MAX_VALUE
],
169 /* Current Authentication value. @deprecated@ */
170 userpass
[HTTP_MAX_VALUE
];
171 /* Username:password string @since CUPS 1.1.20@ */
172 int digest_tries
; /* Number of tries for digest auth @since CUPS 1.1.20@ */
173 /**** New in CUPS 1.2 ****/
174 off_t data_remaining
; /* Number of bytes left @since CUPS 1.2@ */
175 http_addr_t
*hostaddr
; /* Current host address and port @since CUPS 1.2@ */
176 http_addrlist_t
*addrlist
; /* List of valid addresses @since CUPS 1.2@ */
177 char wbuffer
[HTTP_MAX_BUFFER
];
178 /* Buffer for outgoing data */
179 int wused
; /* Write buffer bytes used @since CUPS 1.2@ */
180 /**** New in CUPS 1.3 ****/
181 char *field_authorization
;
182 /* Authorization field @since CUPS 1.3@ */
183 char *authstring
; /* Current authorization field @since CUPS 1.3 */
185 gss_OID gssmech
; /* Authentication mechanism @since CUPS 1.3@ */
186 gss_ctx_id_t gssctx
; /* Authentication context @since CUPS 1.3@ */
187 gss_name_t gssname
; /* Authentication server name @since CUPS 1.3@ */
188 # endif /* HAVE_GSSAPI */
189 # ifdef HAVE_AUTHORIZATION_H
190 AuthorizationRef auth_ref
; /* Authorization ref */
191 # endif /* HAVE_AUTHORIZATION_H */
196 * Some OS's don't have hstrerror(), most notably Solaris...
199 # ifndef HAVE_HSTRERROR
200 extern const char *_cups_hstrerror(int error
);
201 # define hstrerror _cups_hstrerror
202 # elif defined(_AIX) || defined(__osf__)
204 * AIX and Tru64 UNIX don't provide a prototype but do provide the function...
206 extern const char *hstrerror(int error
);
207 # endif /* !HAVE_HSTRERROR */
211 * Some OS's don't have getifaddrs() and freeifaddrs()...
216 # ifdef HAVE_GETIFADDRS
217 # include <ifaddrs.h>
219 # include <sys/ioctl.h>
220 # ifdef HAVE_SYS_SOCKIO_H
221 # include <sys/sockio.h>
222 # endif /* HAVE_SYS_SOCKIO_H */
226 # endif /* ifa_dstaddr */
228 # define ifr_netmask ifr_addr
229 # endif /* !ifr_netmask */
231 struct ifaddrs
/**** Interface Structure ****/
233 struct ifaddrs
*ifa_next
; /* Next interface in list */
234 char *ifa_name
; /* Name of interface */
235 unsigned int ifa_flags
; /* Flags (up, point-to-point, etc.) */
236 struct sockaddr
*ifa_addr
, /* Network address */
237 *ifa_netmask
; /* Address mask */
240 struct sockaddr
*ifu_broadaddr
; /* Broadcast address of this interface. */
241 struct sockaddr
*ifu_dstaddr
; /* Point-to-point destination address. */
244 void *ifa_data
; /* Interface statistics */
247 # ifndef ifa_broadaddr
248 # define ifa_broadaddr ifa_ifu.ifu_broadaddr
249 # endif /* !ifa_broadaddr */
251 # define ifa_dstaddr ifa_ifu.ifu_dstaddr
252 # endif /* !ifa_dstaddr */
254 extern int _cups_getifaddrs(struct ifaddrs
**addrs
);
255 # define getifaddrs _cups_getifaddrs
256 extern void _cups_freeifaddrs(struct ifaddrs
*addrs
);
257 # define freeifaddrs _cups_freeifaddrs
258 # endif /* HAVE_GETIFADDRS */
265 extern int _httpAddrPort(http_addr_t
*addr
);
266 extern http_t
*_httpCreate(const char *host
, int port
,
267 http_encryption_t encryption
);
268 extern char *_httpEncodeURI(char *dst
, const char *src
,
270 extern const char *_httpResolveURI(const char *uri
, char *resolved_uri
,
271 size_t resolved_size
, int log
);
272 extern int _httpWait(http_t
*http
, int msec
, int usessl
);
273 #endif /* !_CUPS_HTTP_PRIVATE_H_ */
276 * End of "$Id: http-private.h 7850 2008-08-20 00:07:25Z mike $".