2 * "$Id: http.c,v 1.82.2.50 2004/06/29 01:04:30 mike Exp $"
4 * HTTP routines for the Common UNIX Printing System (CUPS).
6 * Copyright 1997-2003 by Easy Software Products, all rights reserved.
8 * These coded instructions, statements, and computer programs are the
9 * property of Easy Software Products and are protected by Federal
10 * copyright law. Distribution and use rights are outlined in the file
11 * "LICENSE.txt" which should have been included with this file. If this
12 * file is missing or damaged please contact Easy Software Products
15 * Attn: CUPS Licensing Information
16 * Easy Software Products
17 * 44141 Airport View Drive, Suite 204
18 * Hollywood, Maryland 20636-3111 USA
20 * Voice: (301) 373-9603
21 * EMail: cups-info@cups.org
22 * WWW: http://www.cups.org
24 * This file is subject to the Apple OS-Developed Software exception.
28 * httpInitialize() - Initialize the HTTP interface library and set the
29 * default HTTP proxy (if any).
30 * httpCheck() - Check to see if there is a pending response from
32 * httpClearCookie() - Clear the cookie value(s).
33 * httpClose() - Close an HTTP connection...
34 * httpConnect() - Connect to a HTTP server.
35 * httpConnectEncrypt() - Connect to a HTTP server using encryption.
36 * httpEncryption() - Set the required encryption on the link.
37 * httpReconnect() - Reconnect to a HTTP server...
38 * httpGetSubField() - Get a sub-field value.
39 * httpSetField() - Set the value of an HTTP header.
40 * httpDelete() - Send a DELETE request to the server.
41 * httpGet() - Send a GET request to the server.
42 * httpHead() - Send a HEAD request to the server.
43 * httpOptions() - Send an OPTIONS request to the server.
44 * httpPost() - Send a POST request to the server.
45 * httpPut() - Send a PUT request to the server.
46 * httpTrace() - Send an TRACE request to the server.
47 * httpFlush() - Flush data from a HTTP connection.
48 * httpRead() - Read data from a HTTP connection.
49 * httpSetCookie() - Set the cookie value(s)...
50 * httpWait() - Wait for data available on a connection.
51 * httpWrite() - Write data to a HTTP connection.
52 * httpGets() - Get a line of text from a HTTP connection.
53 * httpPrintf() - Print a formatted string to a HTTP connection.
54 * httpGetDateString() - Get a formatted date/time string from a time value.
55 * httpGetDateTime() - Get a time value from a formatted date/time string.
56 * httpUpdate() - Update the current HTTP state for incoming data.
57 * httpDecode64() - Base64-decode a string.
58 * httpEncode64() - Base64-encode a string.
59 * httpGetLength() - Get the amount of data remaining from the
60 * content-length or transfer-encoding fields.
61 * http_field() - Return the field index for a field name.
62 * http_send() - Send a request with all fields and the trailing
64 * http_wait() - Wait for data available on a connection.
65 * http_upgrade() - Force upgrade to TLS encryption.
66 * http_setup_ssl() - Set up SSL/TLS on a connection.
67 * http_shutdown_ssl() - Shut down SSL/TLS on a connection.
68 * http_read_ssl() - Read from a SSL/TLS connection.
69 * http_write_ssl() - Write to a SSL/TLS connection.
70 * CDSAReadFunc() - Read function for CDSA decryption code.
71 * CDSAWriteFunc() - Write function for CDSA encryption code.
75 * Include necessary headers...
78 #include "http-private.h"
93 # include <sys/time.h>
94 # include <sys/resource.h>
99 * Some operating systems have done away with the Fxxxx constants for
100 * the fcntl() call; this works around that "feature"...
104 # define FNONBLK O_NONBLOCK
105 #endif /* !FNONBLK */
112 static http_field_t
http_field(const char *name
);
113 static int http_send(http_t
*http
, http_state_t request
,
115 static int http_wait(http_t
*http
, int msec
);
117 static int http_upgrade(http_t
*http
);
118 static int http_setup_ssl(http_t
*http
);
119 static void http_shutdown_ssl(http_t
*http
);
120 static int http_read_ssl(http_t
*http
, char *buf
, int len
);
121 static int http_write_ssl(http_t
*http
, const char *buf
, int len
);
123 static OSStatus
CDSAReadFunc(SSLConnectionRef connection
, void *data
, size_t *dataLength
);
124 static OSStatus
CDSAWriteFunc(SSLConnectionRef connection
, const void *data
, size_t *dataLength
);
125 # endif /* HAVE_CDSASSL */
126 #endif /* HAVE_SSL */
133 static const char * const http_fields
[] =
150 "If-Unmodified-since",
163 static const char * const days
[7] =
173 static const char * const months
[12] =
191 * 'httpInitialize()' - Initialize the HTTP interface library and set the
192 * default HTTP proxy (if any).
200 struct timeval curtime
; /* Current time in microseconds */
202 int i
; /* Looping var */
203 unsigned char data
[1024]; /* Seed data */
204 #endif /* HAVE_LIBSSL */
207 WSADATA winsockdata
; /* WinSock data */
208 static int initialized
= 0; /* Has WinSock been initialized? */
212 WSAStartup(MAKEWORD(1,1), &winsockdata
);
213 #elif defined(HAVE_SIGSET)
214 sigset(SIGPIPE
, SIG_IGN
);
215 #elif defined(HAVE_SIGACTION)
216 struct sigaction action
; /* POSIX sigaction data */
220 * Ignore SIGPIPE signals...
223 memset(&action
, 0, sizeof(action
));
224 action
.sa_handler
= SIG_IGN
;
225 sigaction(SIGPIPE
, &action
, NULL
);
227 signal(SIGPIPE
, SIG_IGN
);
231 gnutls_global_init();
232 #endif /* HAVE_GNUTLS */
235 SSL_load_error_strings();
239 * Using the current time is a dubious random seed, but on some systems
240 * it is the best we can do (on others, this seed isn't even used...)
245 gettimeofday(&curtime
, NULL
);
246 srand(curtime
.tv_sec
+ curtime
.tv_usec
);
249 for (i
= 0; i
< sizeof(data
); i
++)
250 data
[i
] = rand(); /* Yes, this is a poor source of random data... */
252 RAND_seed(&data
, sizeof(data
));
253 #endif /* HAVE_LIBSSL */
258 * 'httpCheck()' - Check to see if there is a pending response from the server.
261 int /* O - 0 = no data, 1 = data available */
262 httpCheck(http_t
*http
) /* I - HTTP connection */
264 return (httpWait(http
, 0));
269 * 'httpClearCookie()' - Clear the cookie value(s).
273 httpClearCookie(http_t
*http
) /* I - Connection */
287 * 'httpClose()' - Close an HTTP connection...
291 httpClose(http_t
*http
) /* I - Connection to close */
293 DEBUG_printf(("httpClose(http=%p)\n", http
));
299 free(http
->input_set
);
306 http_shutdown_ssl(http
);
307 #endif /* HAVE_SSL */
310 closesocket(http
->fd
);
320 * 'httpConnect()' - Connect to a HTTP server.
323 http_t
* /* O - New HTTP connection */
324 httpConnect(const char *host
, /* I - Host to connect to */
325 int port
) /* I - Port number */
327 http_encryption_t encrypt
;/* Type of encryption to use */
331 * Set the default encryption status...
335 encrypt
= HTTP_ENCRYPT_ALWAYS
;
337 encrypt
= HTTP_ENCRYPT_IF_REQUESTED
;
339 return (httpConnectEncrypt(host
, port
, encrypt
));
344 * 'httpConnectEncrypt()' - Connect to a HTTP server using encryption.
347 http_t
* /* O - New HTTP connection */
348 httpConnectEncrypt(const char *host
, /* I - Host to connect to */
349 int port
, /* I - Port number */
350 http_encryption_t encrypt
)
351 /* I - Type of encryption to use */
353 int i
; /* Looping var */
354 http_t
*http
; /* New HTTP connection */
355 struct hostent
*hostaddr
; /* Host address data */
358 DEBUG_printf(("httpConnectEncrypt(host=\"%s\", port=%d, encrypt=%d)\n",
359 host
? host
: "(null)", port
, encrypt
));
370 if ((hostaddr
= httpGetHostByName(host
)) == NULL
)
373 * This hack to make users that don't have a localhost entry in
374 * their hosts file or DNS happy...
377 if (strcasecmp(host
, "localhost") != 0)
379 else if ((hostaddr
= httpGetHostByName("127.0.0.1")) == NULL
)
384 * Verify that it is an IPv4 address (IPv6 support will come in CUPS 1.2...)
388 if ((hostaddr
->h_addrtype
!= AF_INET
|| hostaddr
->h_length
!= 4) &&
389 (hostaddr
->h_addrtype
!= AF_INET6
|| hostaddr
->h_length
!= 16))
392 if (hostaddr
->h_addrtype
!= AF_INET
|| hostaddr
->h_length
!= 4)
394 #endif /* AF_INET6 */
397 * Allocate memory for the structure...
400 http
= calloc(sizeof(http_t
), 1);
404 http
->version
= HTTP_1_1
;
406 http
->activity
= time(NULL
);
410 * Set the encryption status...
413 if (port
== 443) /* Always use encryption for https */
414 http
->encryption
= HTTP_ENCRYPT_ALWAYS
;
416 http
->encryption
= encrypt
;
419 * Loop through the addresses we have until one of them connects...
422 strlcpy(http
->hostname
, host
, sizeof(http
->hostname
));
424 for (i
= 0; hostaddr
->h_addr_list
[i
]; i
++)
427 * Load the address...
430 httpAddrLoad(hostaddr
, port
, i
, &(http
->hostaddr
));
433 * Connect to the remote system...
436 if (!httpReconnect(http
))
441 * Could not connect to any known address - bail out!
450 * 'httpEncryption()' - Set the required encryption on the link.
453 int /* O - -1 on error, 0 on success */
454 httpEncryption(http_t
*http
, /* I - HTTP data */
455 http_encryption_t e
) /* I - New encryption preference */
457 DEBUG_printf(("httpEncryption(http=%p, e=%d)\n", http
, e
));
463 http
->encryption
= e
;
465 if ((http
->encryption
== HTTP_ENCRYPT_ALWAYS
&& !http
->tls
) ||
466 (http
->encryption
== HTTP_ENCRYPT_NEVER
&& http
->tls
))
467 return (httpReconnect(http
));
468 else if (http
->encryption
== HTTP_ENCRYPT_REQUIRED
&& !http
->tls
)
469 return (http_upgrade(http
));
473 if (e
== HTTP_ENCRYPT_ALWAYS
|| e
== HTTP_ENCRYPT_REQUIRED
)
477 #endif /* HAVE_SSL */
482 * 'httpReconnect()' - Reconnect to a HTTP server...
485 int /* O - 0 on success, non-zero on failure */
486 httpReconnect(http_t
*http
) /* I - HTTP data */
488 int val
; /* Socket option value */
491 DEBUG_printf(("httpReconnect(http=%p)\n", http
));
498 http_shutdown_ssl(http
);
499 #endif /* HAVE_SSL */
502 * Close any previously open socket...
507 closesocket(http
->fd
);
513 * Create the socket and set options to allow reuse.
516 if ((http
->fd
= socket(http
->hostaddr
.addr
.sa_family
, SOCK_STREAM
, 0)) < 0)
519 http
->error
= WSAGetLastError();
523 http
->status
= HTTP_ERROR
;
528 fcntl(http
->fd
, F_SETFD
, FD_CLOEXEC
); /* Close this socket when starting *
529 * other processes... */
530 #endif /* FD_CLOEXEC */
533 setsockopt(http
->fd
, SOL_SOCKET
, SO_REUSEADDR
, (char *)&val
, sizeof(val
));
537 setsockopt(http
->fd
, SOL_SOCKET
, SO_REUSEPORT
, &val
, sizeof(val
));
538 #endif /* SO_REUSEPORT */
541 * Using TCP_NODELAY improves responsiveness, especially on systems
542 * with a slow loopback interface... Since we write large buffers
543 * when sending print files and requests, there shouldn't be any
544 * performance penalty for this...
549 setsockopt(http
->fd
, IPPROTO_TCP
, TCP_NODELAY
, (char *)&val
, sizeof(val
));
551 setsockopt(http
->fd
, IPPROTO_TCP
, TCP_NODELAY
, &val
, sizeof(val
));
555 * Connect to the server...
559 if (connect(http
->fd
, (struct sockaddr
*)&(http
->hostaddr
),
560 http
->hostaddr
.addr
.sa_family
== AF_INET
?
561 sizeof(http
->hostaddr
.ipv4
) :
562 sizeof(http
->hostaddr
.ipv6
)) < 0)
564 if (connect(http
->fd
, (struct sockaddr
*)&(http
->hostaddr
),
565 sizeof(http
->hostaddr
.ipv4
)) < 0)
566 #endif /* AF_INET6 */
569 http
->error
= WSAGetLastError();
573 http
->status
= HTTP_ERROR
;
576 closesocket(http
->fd
);
587 http
->status
= HTTP_CONTINUE
;
590 if (http
->encryption
== HTTP_ENCRYPT_ALWAYS
)
593 * Always do encryption via SSL.
596 if (http_setup_ssl(http
) != 0)
599 closesocket(http
->fd
);
607 else if (http
->encryption
== HTTP_ENCRYPT_REQUIRED
)
608 return (http_upgrade(http
));
609 #endif /* HAVE_SSL */
616 * 'httpGetSubField()' - Get a sub-field value.
619 char * /* O - Value or NULL */
620 httpGetSubField(http_t
*http
, /* I - HTTP data */
621 http_field_t field
, /* I - Field index */
622 const char *name
, /* I - Name of sub-field */
623 char *value
) /* O - Value string */
625 const char *fptr
; /* Pointer into field */
626 char temp
[HTTP_MAX_VALUE
], /* Temporary buffer for name */
627 *ptr
; /* Pointer into string buffer */
630 DEBUG_printf(("httpGetSubField(http=%p, field=%d, name=\"%s\", value=%p)\n",
631 http
, field
, name
, value
));
634 field
< HTTP_FIELD_ACCEPT_LANGUAGE
||
635 field
> HTTP_FIELD_WWW_AUTHENTICATE
||
636 name
== NULL
|| value
== NULL
)
639 for (fptr
= http
->fields
[field
]; *fptr
;)
642 * Skip leading whitespace...
645 while (isspace(*fptr
& 255))
655 * Get the sub-field name...
659 *fptr
&& *fptr
!= '=' && !isspace(*fptr
& 255) && ptr
< (temp
+ sizeof(temp
) - 1);
664 DEBUG_printf(("httpGetSubField: name=\"%s\"\n", temp
));
667 * Skip trailing chars up to the '='...
670 while (isspace(*fptr
& 255))
680 * Skip = and leading whitespace...
685 while (isspace(*fptr
& 255))
691 * Read quoted string...
694 for (ptr
= value
, fptr
++;
695 *fptr
&& *fptr
!= '\"' && ptr
< (value
+ HTTP_MAX_VALUE
- 1);
700 while (*fptr
&& *fptr
!= '\"')
709 * Read unquoted string...
713 *fptr
&& !isspace(*fptr
& 255) && *fptr
!= ',' && ptr
< (value
+ HTTP_MAX_VALUE
- 1);
718 while (*fptr
&& !isspace(*fptr
& 255) && *fptr
!= ',')
722 DEBUG_printf(("httpGetSubField: value=\"%s\"\n", value
));
725 * See if this is the one...
728 if (strcmp(name
, temp
) == 0)
739 * 'httpSetField()' - Set the value of an HTTP header.
743 httpSetField(http_t
*http
, /* I - HTTP data */
744 http_field_t field
, /* I - Field index */
745 const char *value
) /* I - Value */
748 field
< HTTP_FIELD_ACCEPT_LANGUAGE
||
749 field
> HTTP_FIELD_WWW_AUTHENTICATE
||
753 strlcpy(http
->fields
[field
], value
, HTTP_MAX_VALUE
);
758 * 'httpDelete()' - Send a DELETE request to the server.
761 int /* O - Status of call (0 = success) */
762 httpDelete(http_t
*http
, /* I - HTTP data */
763 const char *uri
) /* I - URI to delete */
765 return (http_send(http
, HTTP_DELETE
, uri
));
770 * 'httpGet()' - Send a GET request to the server.
773 int /* O - Status of call (0 = success) */
774 httpGet(http_t
*http
, /* I - HTTP data */
775 const char *uri
) /* I - URI to get */
777 return (http_send(http
, HTTP_GET
, uri
));
782 * 'httpHead()' - Send a HEAD request to the server.
785 int /* O - Status of call (0 = success) */
786 httpHead(http_t
*http
, /* I - HTTP data */
787 const char *uri
) /* I - URI for head */
789 return (http_send(http
, HTTP_HEAD
, uri
));
794 * 'httpOptions()' - Send an OPTIONS request to the server.
797 int /* O - Status of call (0 = success) */
798 httpOptions(http_t
*http
, /* I - HTTP data */
799 const char *uri
) /* I - URI for options */
801 return (http_send(http
, HTTP_OPTIONS
, uri
));
806 * 'httpPost()' - Send a POST request to the server.
809 int /* O - Status of call (0 = success) */
810 httpPost(http_t
*http
, /* I - HTTP data */
811 const char *uri
) /* I - URI for post */
815 return (http_send(http
, HTTP_POST
, uri
));
820 * 'httpPut()' - Send a PUT request to the server.
823 int /* O - Status of call (0 = success) */
824 httpPut(http_t
*http
, /* I - HTTP data */
825 const char *uri
) /* I - URI to put */
829 return (http_send(http
, HTTP_PUT
, uri
));
834 * 'httpTrace()' - Send an TRACE request to the server.
837 int /* O - Status of call (0 = success) */
838 httpTrace(http_t
*http
, /* I - HTTP data */
839 const char *uri
) /* I - URI for trace */
841 return (http_send(http
, HTTP_TRACE
, uri
));
846 * 'httpFlush()' - Flush data from a HTTP connection.
850 httpFlush(http_t
*http
) /* I - HTTP data */
852 char buffer
[8192]; /* Junk buffer */
855 DEBUG_printf(("httpFlush(http=%p), state=%d\n", http
, http
->state
));
857 while (httpRead(http
, buffer
, sizeof(buffer
)) > 0);
862 * 'httpRead()' - Read data from a HTTP connection.
865 int /* O - Number of bytes read */
866 httpRead(http_t
*http
, /* I - HTTP data */
867 char *buffer
, /* I - Buffer for data */
868 int length
) /* I - Maximum number of bytes */
870 int bytes
; /* Bytes read */
871 char len
[32]; /* Length string */
874 DEBUG_printf(("httpRead(http=%p, buffer=%p, length=%d)\n",
875 http
, buffer
, length
));
877 if (http
== NULL
|| buffer
== NULL
)
880 http
->activity
= time(NULL
);
885 if (http
->data_encoding
== HTTP_ENCODE_CHUNKED
&&
886 http
->data_remaining
<= 0)
888 DEBUG_puts("httpRead: Getting chunk length...");
890 if (httpGets(len
, sizeof(len
), http
) == NULL
)
892 DEBUG_puts("httpRead: Could not get length!");
896 http
->data_remaining
= strtol(len
, NULL
, 16);
897 if (http
->data_remaining
< 0)
899 DEBUG_puts("httpRead: Negative chunk length!");
904 DEBUG_printf(("httpRead: data_remaining=%d\n", http
->data_remaining
));
906 if (http
->data_remaining
<= 0)
909 * A zero-length chunk ends a transfer; unless we are reading POST
913 if (http
->data_encoding
== HTTP_ENCODE_CHUNKED
)
914 httpGets(len
, sizeof(len
), http
);
916 if (http
->state
== HTTP_POST_RECV
)
919 http
->state
= HTTP_WAITING
;
922 * Prevent future reads for this request...
925 http
->data_encoding
= HTTP_ENCODE_LENGTH
;
929 else if (length
> http
->data_remaining
)
930 length
= http
->data_remaining
;
932 if (http
->used
== 0 && length
<= 256)
935 * Buffer small reads for better performance...
938 if (!http
->blocking
&& !httpWait(http
, 1000))
941 if (http
->data_remaining
> sizeof(http
->buffer
))
942 bytes
= sizeof(http
->buffer
);
944 bytes
= http
->data_remaining
;
948 bytes
= http_read_ssl(http
, http
->buffer
, bytes
);
950 #endif /* HAVE_SSL */
952 DEBUG_printf(("httpRead: reading %d bytes from socket into buffer...\n",
955 bytes
= recv(http
->fd
, http
->buffer
, bytes
, 0);
957 DEBUG_printf(("httpRead: read %d bytes from socket into buffer...\n",
966 http
->error
= WSAGetLastError();
985 if (length
> http
->used
)
990 DEBUG_printf(("httpRead: grabbing %d bytes from input buffer...\n", bytes
));
992 memcpy(buffer
, http
->buffer
, length
);
993 http
->used
-= length
;
996 memmove(http
->buffer
, http
->buffer
+ length
, http
->used
);
1001 if (!http
->blocking
&& !httpWait(http
, 1000))
1004 bytes
= http_read_ssl(http
, buffer
, length
);
1006 #endif /* HAVE_SSL */
1009 if (!http
->blocking
&& !httpWait(http
, 1000))
1012 DEBUG_printf(("httpRead: reading %d bytes from socket...\n", length
));
1013 bytes
= recv(http
->fd
, buffer
, length
, 0);
1014 DEBUG_printf(("httpRead: read %d bytes from socket...\n", bytes
));
1018 http
->data_remaining
-= bytes
;
1022 http
->error
= WSAGetLastError();
1027 http
->error
= errno
;
1032 http
->error
= EPIPE
;
1036 if (http
->data_remaining
== 0)
1038 if (http
->data_encoding
== HTTP_ENCODE_CHUNKED
)
1039 httpGets(len
, sizeof(len
), http
);
1041 if (http
->data_encoding
!= HTTP_ENCODE_CHUNKED
)
1043 if (http
->state
== HTTP_POST_RECV
)
1046 http
->state
= HTTP_WAITING
;
1053 printf("httpRead: Read %d bytes:\n", bytes
);
1054 for (i
= 0; i
< bytes
; i
+= 16)
1058 for (j
= 0; j
< 16 && (i
+ j
) < bytes
; j
++)
1059 printf(" %02X", buffer
[i
+ j
] & 255);
1068 for (j
= 0; j
< 16 && (i
+ j
) < bytes
; j
++)
1070 ch
= buffer
[i
+ j
] & 255;
1072 if (ch
< ' ' || ch
== 127)
1087 * 'httpSetCookie()' - Set the cookie value(s)...
1091 httpSetCookie(http_t
*http
, /* I - Connection */
1092 const char *cookie
) /* I - Cookie string */
1101 http
->cookie
= strdup(cookie
);
1103 http
->cookie
= NULL
;
1108 * 'httpWait()' - Wait for data available on a connection.
1111 int /* O - 1 if data is available, 0 otherwise */
1112 httpWait(http_t
*http
, /* I - HTTP data */
1113 int msec
) /* I - Milliseconds to wait */
1116 * First see if there is data in the buffer...
1126 * If not, check the SSL/TLS buffers and do a select() on the connection...
1129 return (http_wait(http
, msec
));
1134 * 'httpWrite()' - Write data to a HTTP connection.
1137 int /* O - Number of bytes written */
1138 httpWrite(http_t
*http
, /* I - HTTP data */
1139 const char *buffer
, /* I - Buffer for data */
1140 int length
) /* I - Number of bytes to write */
1142 int tbytes
, /* Total bytes sent */
1143 bytes
; /* Bytes sent */
1146 if (http
== NULL
|| buffer
== NULL
)
1149 http
->activity
= time(NULL
);
1151 if (http
->data_encoding
== HTTP_ENCODE_CHUNKED
)
1153 if (httpPrintf(http
, "%x\r\n", length
) < 0)
1159 * A zero-length chunk ends a transfer; unless we are sending POST
1160 * or PUT data, go idle...
1163 DEBUG_puts("httpWrite: changing states...");
1165 if (http
->state
== HTTP_POST_RECV
)
1167 else if (http
->state
== HTTP_PUT_RECV
)
1168 http
->state
= HTTP_STATUS
;
1170 http
->state
= HTTP_WAITING
;
1172 if (httpPrintf(http
, "\r\n") < 0)
1185 bytes
= http_write_ssl(http
, buffer
, length
);
1187 #endif /* HAVE_SSL */
1188 bytes
= send(http
->fd
, buffer
, length
, 0);
1193 if (WSAGetLastError() != http
->error
)
1195 http
->error
= WSAGetLastError();
1201 else if (errno
!= http
->error
&& errno
!= ECONNRESET
)
1203 http
->error
= errno
;
1208 DEBUG_puts("httpWrite: error writing data...\n");
1216 if (http
->data_encoding
== HTTP_ENCODE_LENGTH
)
1217 http
->data_remaining
-= bytes
;
1220 if (http
->data_encoding
== HTTP_ENCODE_CHUNKED
)
1221 if (httpPrintf(http
, "\r\n") < 0)
1224 if (http
->data_remaining
== 0 && http
->data_encoding
== HTTP_ENCODE_LENGTH
)
1227 * Finished with the transfer; unless we are sending POST or PUT
1231 DEBUG_puts("httpWrite: changing states...");
1233 if (http
->state
== HTTP_POST_RECV
)
1235 else if (http
->state
== HTTP_PUT_RECV
)
1236 http
->state
= HTTP_STATUS
;
1238 http
->state
= HTTP_WAITING
;
1244 printf("httpWrite: wrote %d bytes: \n", tbytes
);
1245 for (i
= 0, buffer
-= tbytes
; i
< tbytes
; i
+= 16)
1249 for (j
= 0; j
< 16 && (i
+ j
) < tbytes
; j
++)
1250 printf(" %02X", buffer
[i
+ j
] & 255);
1259 for (j
= 0; j
< 16 && (i
+ j
) < tbytes
; j
++)
1261 ch
= buffer
[i
+ j
] & 255;
1263 if (ch
< ' ' || ch
== 127)
1277 * 'httpGets()' - Get a line of text from a HTTP connection.
1280 char * /* O - Line or NULL */
1281 httpGets(char *line
, /* I - Line to read into */
1282 int length
, /* I - Max length of buffer */
1283 http_t
*http
) /* I - HTTP data */
1285 char *lineptr
, /* Pointer into line */
1286 *bufptr
, /* Pointer into input buffer */
1287 *bufend
; /* Pointer to end of buffer */
1288 int bytes
; /* Number of bytes read */
1291 DEBUG_printf(("httpGets(line=%p, length=%d, http=%p)\n", line
, length
, http
));
1293 if (http
== NULL
|| line
== NULL
)
1297 * Pre-scan the buffer and see if there is a newline in there...
1308 bufptr
= http
->buffer
;
1309 bufend
= http
->buffer
+ http
->used
;
1311 while (bufptr
< bufend
)
1312 if (*bufptr
== 0x0a)
1317 if (bufptr
>= bufend
&& http
->used
< HTTP_MAX_BUFFER
)
1320 * No newline; see if there is more data to be read...
1323 if (!http
->blocking
&& !http_wait(http
, 1000))
1328 bytes
= http_read_ssl(http
, bufend
, HTTP_MAX_BUFFER
- http
->used
);
1330 #endif /* HAVE_SSL */
1331 bytes
= recv(http
->fd
, bufend
, HTTP_MAX_BUFFER
- http
->used
, 0);
1333 DEBUG_printf(("httpGets: read %d bytes...\n", bytes
));
1338 * Nope, can't get a line this time...
1342 if (WSAGetLastError() != http
->error
)
1344 http
->error
= WSAGetLastError();
1348 DEBUG_printf(("httpGets: recv() error %d!\n", WSAGetLastError()));
1350 DEBUG_printf(("httpGets: recv() error %d!\n", errno
));
1354 else if (errno
!= http
->error
)
1356 http
->error
= errno
;
1363 else if (bytes
== 0)
1365 http
->error
= EPIPE
;
1371 * Yup, update the amount used and the end pointer...
1374 http
->used
+= bytes
;
1379 while (bufptr
>= bufend
&& http
->used
< HTTP_MAX_BUFFER
);
1381 http
->activity
= time(NULL
);
1384 * Read a line from the buffer...
1388 bufptr
= http
->buffer
;
1392 while (bufptr
< bufend
&& bytes
< length
)
1396 if (*bufptr
== 0x0a)
1401 else if (*bufptr
== 0x0d)
1404 *lineptr
++ = *bufptr
++;
1411 http
->used
-= bytes
;
1413 memmove(http
->buffer
, bufptr
, http
->used
);
1415 DEBUG_printf(("httpGets: Returning \"%s\"\n", line
));
1419 DEBUG_puts("httpGets: No new line available!");
1426 * 'httpPrintf()' - Print a formatted string to a HTTP connection.
1429 int /* O - Number of bytes written */
1430 httpPrintf(http_t
*http
, /* I - HTTP data */
1431 const char *format
, /* I - printf-style format string */
1432 ...) /* I - Additional args as needed */
1434 int bytes
, /* Number of bytes to write */
1435 nbytes
, /* Number of bytes written */
1436 tbytes
; /* Number of bytes all together */
1437 char buf
[HTTP_MAX_BUFFER
], /* Buffer for formatted string */
1438 *bufptr
; /* Pointer into buffer */
1439 va_list ap
; /* Variable argument pointer */
1442 DEBUG_printf(("httpPrintf(http=%p, format=\"%s\", ...)\n", http
, format
));
1444 va_start(ap
, format
);
1445 bytes
= vsnprintf(buf
, sizeof(buf
), format
, ap
);
1448 DEBUG_printf(("httpPrintf: %s", buf
));
1450 for (tbytes
= 0, bufptr
= buf
; tbytes
< bytes
; tbytes
+= nbytes
, bufptr
+= nbytes
)
1454 nbytes
= http_write_ssl(http
, bufptr
, bytes
- tbytes
);
1456 #endif /* HAVE_SSL */
1457 nbytes
= send(http
->fd
, bufptr
, bytes
- tbytes
, 0);
1464 if (WSAGetLastError() != http
->error
)
1466 http
->error
= WSAGetLastError();
1472 else if (errno
!= http
->error
)
1474 http
->error
= errno
;
1488 * 'httpGetDateString()' - Get a formatted date/time string from a time value.
1491 const char * /* O - Date/time string */
1492 httpGetDateString(time_t t
) /* I - UNIX time */
1495 static char datetime
[256];
1499 snprintf(datetime
, sizeof(datetime
), "%s, %02d %s %d %02d:%02d:%02d GMT",
1500 days
[tdate
->tm_wday
], tdate
->tm_mday
, months
[tdate
->tm_mon
],
1501 tdate
->tm_year
+ 1900, tdate
->tm_hour
, tdate
->tm_min
, tdate
->tm_sec
);
1508 * 'httpGetDateTime()' - Get a time value from a formatted date/time string.
1511 time_t /* O - UNIX time */
1512 httpGetDateTime(const char *s
) /* I - Date/time string */
1514 int i
; /* Looping var */
1515 struct tm tdate
; /* Time/date structure */
1516 char mon
[16]; /* Abbreviated month name */
1517 int day
, year
; /* Day of month and year */
1518 int hour
, min
, sec
; /* Time */
1521 if (sscanf(s
, "%*s%d%15s%d%d:%d:%d", &day
, mon
, &year
, &hour
, &min
, &sec
) < 6)
1524 for (i
= 0; i
< 12; i
++)
1525 if (strcasecmp(mon
, months
[i
]) == 0)
1532 tdate
.tm_mday
= day
;
1533 tdate
.tm_year
= year
- 1900;
1534 tdate
.tm_hour
= hour
;
1539 return (mktime(&tdate
));
1544 * 'httpUpdate()' - Update the current HTTP state for incoming data.
1547 http_status_t
/* O - HTTP status */
1548 httpUpdate(http_t
*http
) /* I - HTTP data */
1550 char line
[1024], /* Line from connection... */
1551 *value
; /* Pointer to value on line */
1552 http_field_t field
; /* Field index */
1553 int major
, minor
, /* HTTP version numbers */
1554 status
; /* Request status */
1557 DEBUG_printf(("httpUpdate(http=%p), state=%d\n", http
, http
->state
));
1560 * If we haven't issued any commands, then there is nothing to "update"...
1563 if (http
->state
== HTTP_WAITING
)
1564 return (HTTP_CONTINUE
);
1567 * Grab all of the lines we can from the connection...
1570 while (httpGets(line
, sizeof(line
), http
) != NULL
)
1572 DEBUG_printf(("httpUpdate: Got \"%s\"\n", line
));
1574 if (line
[0] == '\0')
1577 * Blank line means the start of the data section (if any). Return
1578 * the result code, too...
1580 * If we get status 100 (HTTP_CONTINUE), then we *don't* change states.
1581 * Instead, we just return HTTP_CONTINUE to the caller and keep on
1585 if (http
->status
== HTTP_CONTINUE
)
1586 return (http
->status
);
1588 if (http
->status
< HTTP_BAD_REQUEST
)
1589 http
->digest_tries
= 0;
1592 if (http
->status
== HTTP_SWITCHING_PROTOCOLS
&& !http
->tls
)
1594 if (http_setup_ssl(http
) != 0)
1597 closesocket(http
->fd
);
1602 return (HTTP_ERROR
);
1605 return (HTTP_CONTINUE
);
1607 #endif /* HAVE_SSL */
1609 httpGetLength(http
);
1611 switch (http
->state
)
1615 case HTTP_POST_RECV
:
1618 case HTTP_POST_SEND
:
1622 http
->state
= HTTP_WAITING
;
1626 return (http
->status
);
1628 else if (strncmp(line
, "HTTP/", 5) == 0)
1631 * Got the beginning of a response...
1634 if (sscanf(line
, "HTTP/%d.%d%d", &major
, &minor
, &status
) != 3)
1635 return (HTTP_ERROR
);
1637 http
->version
= (http_version_t
)(major
* 100 + minor
);
1638 http
->status
= (http_status_t
)status
;
1640 else if ((value
= strchr(line
, ':')) != NULL
)
1647 while (isspace(*value
& 255))
1651 * Be tolerants of servers that send unknown attribute fields...
1654 if (!strcasecmp(line
, "expect"))
1657 * "Expect: 100-continue" or similar...
1660 http
->expect
= (http_status_t
)atoi(value
);
1662 else if (!strcasecmp(line
, "cookie"))
1665 * "Cookie: name=value[; name=value ...]" - replaces previous cookies...
1668 httpSetCookie(http
, value
);
1670 else if ((field
= http_field(line
)) == HTTP_FIELD_UNKNOWN
)
1672 DEBUG_printf(("httpUpdate: unknown field %s seen!\n", line
));
1676 httpSetField(http
, field
, value
);
1680 http
->status
= HTTP_ERROR
;
1681 return (HTTP_ERROR
);
1686 * See if there was an error...
1689 if (http
->error
== EPIPE
&& http
->status
> HTTP_CONTINUE
)
1690 return (http
->status
);
1694 DEBUG_printf(("httpUpdate: socket error %d - %s\n", http
->error
,
1695 strerror(http
->error
)));
1696 http
->status
= HTTP_ERROR
;
1697 return (HTTP_ERROR
);
1701 * If we haven't already returned, then there is nothing new...
1704 return (HTTP_CONTINUE
);
1709 * 'httpDecode64()' - Base64-decode a string.
1712 char * /* O - Decoded string */
1713 httpDecode64(char *out
, /* I - String to write to */
1714 const char *in
) /* I - String to read from */
1716 int pos
, /* Bit position */
1717 base64
; /* Value of this character */
1718 char *outptr
; /* Output pointer */
1721 for (outptr
= out
, pos
= 0; *in
!= '\0'; in
++)
1724 * Decode this character into a number from 0 to 63...
1727 if (*in
>= 'A' && *in
<= 'Z')
1729 else if (*in
>= 'a' && *in
<= 'z')
1730 base64
= *in
- 'a' + 26;
1731 else if (*in
>= '0' && *in
<= '9')
1732 base64
= *in
- '0' + 52;
1733 else if (*in
== '+')
1735 else if (*in
== '/')
1737 else if (*in
== '=')
1743 * Store the result in the appropriate chars...
1749 *outptr
= base64
<< 2;
1753 *outptr
++ |= (base64
>> 4) & 3;
1754 *outptr
= (base64
<< 4) & 255;
1758 *outptr
++ |= (base64
>> 2) & 15;
1759 *outptr
= (base64
<< 6) & 255;
1763 *outptr
++ |= base64
;
1772 * Return the decoded string...
1780 * 'httpEncode64()' - Base64-encode a string.
1783 char * /* O - Encoded string */
1784 httpEncode64(char *out
, /* I - String to write to */
1785 const char *in
) /* I - String to read from */
1787 char *outptr
; /* Output pointer */
1788 static const char base64
[] = /* Base64 characters... */
1790 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
1791 "abcdefghijklmnopqrstuvwxyz"
1797 for (outptr
= out
; *in
!= '\0'; in
++)
1800 * Encode the up to 3 characters as 4 Base64 numbers...
1803 *outptr
++ = base64
[in
[0] >> 2];
1804 *outptr
++ = base64
[((in
[0] << 4) | (in
[1] >> 4)) & 63];
1814 *outptr
++ = base64
[((in
[0] << 2) | (in
[1] >> 6)) & 63];
1823 *outptr
++ = base64
[in
[0] & 63];
1829 * Return the encoded string...
1837 * 'httpGetLength()' - Get the amount of data remaining from the
1838 * content-length or transfer-encoding fields.
1841 int /* O - Content length */
1842 httpGetLength(http_t
*http
) /* I - HTTP data */
1844 DEBUG_printf(("httpGetLength(http=%p), state=%d\n", http
, http
->state
));
1846 if (strcasecmp(http
->fields
[HTTP_FIELD_TRANSFER_ENCODING
], "chunked") == 0)
1848 DEBUG_puts("httpGetLength: chunked request!");
1850 http
->data_encoding
= HTTP_ENCODE_CHUNKED
;
1851 http
->data_remaining
= 0;
1855 http
->data_encoding
= HTTP_ENCODE_LENGTH
;
1858 * The following is a hack for HTTP servers that don't send a
1859 * content-length or transfer-encoding field...
1861 * If there is no content-length then the connection must close
1862 * after the transfer is complete...
1865 if (http
->fields
[HTTP_FIELD_CONTENT_LENGTH
][0] == '\0')
1866 http
->data_remaining
= 2147483647;
1868 http
->data_remaining
= atoi(http
->fields
[HTTP_FIELD_CONTENT_LENGTH
]);
1870 DEBUG_printf(("httpGetLength: content_length=%d\n", http
->data_remaining
));
1873 return (http
->data_remaining
);
1878 * 'http_field()' - Return the field index for a field name.
1881 static http_field_t
/* O - Field index */
1882 http_field(const char *name
) /* I - String name */
1884 int i
; /* Looping var */
1887 for (i
= 0; i
< HTTP_FIELD_MAX
; i
++)
1888 if (strcasecmp(name
, http_fields
[i
]) == 0)
1889 return ((http_field_t
)i
);
1891 return (HTTP_FIELD_UNKNOWN
);
1896 * 'http_send()' - Send a request with all fields and the trailing blank line.
1899 static int /* O - 0 on success, non-zero on error */
1900 http_send(http_t
*http
, /* I - HTTP data */
1901 http_state_t request
, /* I - Request code */
1902 const char *uri
) /* I - URI */
1904 int i
; /* Looping var */
1905 char *ptr
, /* Pointer in buffer */
1906 buf
[1024]; /* Encoded URI buffer */
1907 static const char * const codes
[] =
1908 { /* Request code strings */
1923 static const char hex
[] = "0123456789ABCDEF";
1927 DEBUG_printf(("http_send(http=%p, request=HTTP_%s, uri=\"%s\")\n",
1928 http
, codes
[request
], uri
));
1930 if (http
== NULL
|| uri
== NULL
)
1934 * Encode the URI as needed...
1937 for (ptr
= buf
; *uri
!= '\0' && ptr
< (buf
+ sizeof(buf
) - 1); uri
++)
1938 if (*uri
<= ' ' || *uri
>= 127)
1940 if (ptr
< (buf
+ sizeof(buf
) - 1))
1942 if (ptr
< (buf
+ sizeof(buf
) - 1))
1943 *ptr
++ = hex
[(*uri
>> 4) & 15];
1944 if (ptr
< (buf
+ sizeof(buf
) - 1))
1945 *ptr
++ = hex
[*uri
& 15];
1953 * See if we had an error the last time around; if so, reconnect...
1956 if (http
->status
== HTTP_ERROR
|| http
->status
>= HTTP_BAD_REQUEST
)
1957 httpReconnect(http
);
1960 * Send the request header...
1963 http
->state
= request
;
1964 if (request
== HTTP_POST
|| request
== HTTP_PUT
)
1967 http
->status
= HTTP_CONTINUE
;
1970 if (http
->encryption
== HTTP_ENCRYPT_REQUIRED
&& !http
->tls
)
1972 httpSetField(http
, HTTP_FIELD_CONNECTION
, "Upgrade");
1973 httpSetField(http
, HTTP_FIELD_UPGRADE
, "TLS/1.0,SSL/2.0,SSL/3.0");
1975 #endif /* HAVE_SSL */
1977 if (httpPrintf(http
, "%s %s HTTP/1.1\r\n", codes
[request
], buf
) < 1)
1979 http
->status
= HTTP_ERROR
;
1983 for (i
= 0; i
< HTTP_FIELD_MAX
; i
++)
1984 if (http
->fields
[i
][0] != '\0')
1986 DEBUG_printf(("%s: %s\n", http_fields
[i
], http
->fields
[i
]));
1988 if (httpPrintf(http
, "%s: %s\r\n", http_fields
[i
], http
->fields
[i
]) < 1)
1990 http
->status
= HTTP_ERROR
;
1995 if (httpPrintf(http
, "\r\n") < 1)
1997 http
->status
= HTTP_ERROR
;
2001 httpClearFields(http
);
2008 * 'http_wait()' - Wait for data available on a connection.
2011 static int /* O - 1 if data is available, 0 otherwise */
2012 http_wait(http_t
*http
, /* I - HTTP data */
2013 int msec
) /* I - Milliseconds to wait */
2016 struct rlimit limit
; /* Runtime limit */
2018 struct timeval timeout
; /* Timeout */
2019 int nfds
; /* Result from select() */
2020 int set_size
; /* Size of select set */
2023 DEBUG_printf(("http_wait(http=%p, msec=%d)\n", http
, msec
));
2026 * Check the SSL/TLS buffers for data first...
2033 if (SSL_pending((SSL
*)(http
->tls
)))
2035 # elif defined(HAVE_GNUTLS)
2036 if (gnutls_record_check_pending(((http_tls_t
*)(http
->tls
))->session
))
2038 # elif defined(HAVE_CDSASSL)
2039 size_t bytes
; /* Bytes that are available */
2041 if (!SSLGetBufferedReadSize((SSLContextRef
)http
->tls
, &bytes
) && bytes
> 0)
2043 # endif /* HAVE_LIBSSL */
2045 #endif /* HAVE_SSL */
2048 * Then try doing a select() to poll the socket...
2051 if (!http
->input_set
)
2055 * Windows has a fixed-size select() structure, different (surprise,
2056 * surprise!) from all UNIX implementations. Just allocate this
2057 * fixed structure...
2060 http
->input_set
= calloc(1, sizeof(fd_set
));
2063 * Allocate the select() input set based upon the max number of file
2064 * descriptors available for this process...
2067 getrlimit(RLIMIT_NOFILE
, &limit
);
2069 set_size
= (limit
.rlim_cur
+ 31) / 8 + 4;
2070 if (set_size
< sizeof(fd_set
))
2071 set_size
= sizeof(fd_set
);
2073 http
->input_set
= calloc(1, set_size
);
2076 if (!http
->input_set
)
2080 FD_SET(http
->fd
, http
->input_set
);
2084 timeout
.tv_sec
= msec
/ 1000;
2085 timeout
.tv_usec
= (msec
% 1000) * 1000;
2087 nfds
= select(http
->fd
+ 1, http
->input_set
, NULL
, NULL
, &timeout
);
2090 nfds
= select(http
->fd
+ 1, http
->input_set
, NULL
, NULL
, NULL
);
2092 FD_CLR(http
->fd
, http
->input_set
);
2100 * 'http_upgrade()' - Force upgrade to TLS encryption.
2103 static int /* O - Status of connection */
2104 http_upgrade(http_t
*http
) /* I - HTTP data */
2106 int ret
; /* Return value */
2107 http_t myhttp
; /* Local copy of HTTP data */
2110 DEBUG_printf(("http_upgrade(%p)\n", http
));
2113 * Copy the HTTP data to a local variable so we can do the OPTIONS
2114 * request without interfering with the existing request data...
2117 memcpy(&myhttp
, http
, sizeof(myhttp
));
2120 * Send an OPTIONS request to the server, requiring SSL or TLS
2121 * encryption on the link...
2124 httpClearFields(&myhttp
);
2125 httpSetField(&myhttp
, HTTP_FIELD_CONNECTION
, "upgrade");
2126 httpSetField(&myhttp
, HTTP_FIELD_UPGRADE
, "TLS/1.0, SSL/2.0, SSL/3.0");
2128 if ((ret
= httpOptions(&myhttp
, "*")) == 0)
2131 * Wait for the secure connection...
2134 while (httpUpdate(&myhttp
) == HTTP_CONTINUE
);
2140 * Copy the HTTP data back over, if any...
2143 http
->fd
= myhttp
.fd
;
2144 http
->error
= myhttp
.error
;
2145 http
->activity
= myhttp
.activity
;
2146 http
->status
= myhttp
.status
;
2147 http
->version
= myhttp
.version
;
2148 http
->keep_alive
= myhttp
.keep_alive
;
2149 http
->used
= myhttp
.used
;
2152 memcpy(http
->buffer
, myhttp
.buffer
, http
->used
);
2154 http
->auth_type
= myhttp
.auth_type
;
2155 http
->nonce_count
= myhttp
.nonce_count
;
2157 memcpy(http
->nonce
, myhttp
.nonce
, sizeof(http
->nonce
));
2159 http
->tls
= myhttp
.tls
;
2160 http
->encryption
= myhttp
.encryption
;
2163 * See if we actually went secure...
2169 * Server does not support HTTP upgrade...
2172 DEBUG_puts("Server does not support HTTP upgrade!");
2175 closesocket(http
->fd
);
2190 * 'http_setup_ssl()' - Set up SSL/TLS support on a connection.
2193 static int /* O - Status of connection */
2194 http_setup_ssl(http_t
*http
) /* I - HTTP data */
2197 SSL_CTX
*context
; /* Context for encryption */
2198 SSL
*conn
; /* Connection for encryption */
2199 # elif defined(HAVE_GNUTLS)
2200 http_tls_t
*conn
; /* TLS session object */
2201 gnutls_certificate_client_credentials
*credentials
;
2202 /* TLS credentials */
2203 # elif defined(HAVE_CDSASSL)
2204 SSLContextRef conn
; /* Context for encryption */
2205 OSStatus error
; /* Error info */
2206 # endif /* HAVE_LIBSSL */
2209 DEBUG_printf(("http_setup_ssl(http=%p)\n", http
));
2212 context
= SSL_CTX_new(SSLv23_client_method());
2213 conn
= SSL_new(context
);
2215 SSL_set_fd(conn
, http
->fd
);
2216 if (SSL_connect(conn
) != 1)
2219 unsigned long error
; /* Error code */
2221 while ((error
= ERR_get_error()) != 0)
2222 printf("http_setup_ssl: %s\n", ERR_error_string(error
, NULL
));
2225 SSL_CTX_free(context
);
2229 http
->error
= WSAGetLastError();
2231 http
->error
= errno
;
2233 http
->status
= HTTP_ERROR
;
2235 return (HTTP_ERROR
);
2238 # elif defined(HAVE_GNUTLS)
2239 conn
= (http_tls_t
*)malloc(sizeof(http_tls_t
));
2243 http
->error
= errno
;
2244 http
->status
= HTTP_ERROR
;
2249 credentials
= (gnutls_certificate_client_credentials
*)
2250 malloc(sizeof(gnutls_certificate_client_credentials
));
2251 if (credentials
== NULL
)
2255 http
->error
= errno
;
2256 http
->status
= HTTP_ERROR
;
2261 gnutls_certificate_allocate_credentials(credentials
);
2263 gnutls_init(&(conn
->session
), GNUTLS_CLIENT
);
2264 gnutls_set_default_priority(conn
->session
);
2265 gnutls_credentials_set(conn
->session
, GNUTLS_CRD_CERTIFICATE
, *credentials
);
2266 gnutls_transport_set_ptr(conn
->session
, http
->fd
);
2268 if ((gnutls_handshake(conn
->session
)) != GNUTLS_E_SUCCESS
)
2270 http
->error
= errno
;
2271 http
->status
= HTTP_ERROR
;
2276 conn
->credentials
= credentials
;
2278 # elif defined(HAVE_CDSASSL)
2279 error
= SSLNewContext(false, &conn
);
2282 error
= SSLSetIOFuncs(conn
, CDSAReadFunc
, CDSAWriteFunc
);
2285 error
= SSLSetConnection(conn
, (SSLConnectionRef
)http
->fd
);
2288 error
= SSLSetAllowsExpiredCerts(conn
, true);
2291 error
= SSLSetAllowsAnyRoot(conn
, true);
2294 error
= SSLHandshake(conn
);
2298 http
->error
= error
;
2299 http
->status
= HTTP_ERROR
;
2301 SSLDisposeContext(conn
);
2307 # endif /* HAVE_CDSASSL */
2315 * 'http_shutdown_ssl()' - Shut down SSL/TLS on a connection.
2319 http_shutdown_ssl(http_t
*http
) /* I - HTTP data */
2322 SSL_CTX
*context
; /* Context for encryption */
2323 SSL
*conn
; /* Connection for encryption */
2326 conn
= (SSL
*)(http
->tls
);
2327 context
= SSL_get_SSL_CTX(conn
);
2330 SSL_CTX_free(context
);
2333 # elif defined(HAVE_GNUTLS)
2334 http_tls_t
*conn
; /* Encryption session */
2335 gnutls_certificate_client_credentials
*credentials
;
2336 /* TLS credentials */
2339 conn
= (http_tls_t
*)(http
->tls
);
2340 credentials
= (gnutls_certificate_client_credentials
*)(conn
->credentials
);
2342 gnutls_bye(conn
->session
, GNUTLS_SHUT_RDWR
);
2343 gnutls_deinit(conn
->session
);
2344 gnutls_certificate_free_credentials(*credentials
);
2348 # elif defined(HAVE_CDSASSL)
2349 SSLClose((SSLContextRef
)http
->tls
);
2350 SSLDisposeContext((SSLContextRef
)http
->tls
);
2351 # endif /* HAVE_LIBSSL */
2358 * 'http_read_ssl()' - Read from a SSL/TLS connection.
2361 static int /* O - Bytes read */
2362 http_read_ssl(http_t
*http
, /* I - HTTP data */
2363 char *buf
, /* I - Buffer to store data */
2364 int len
) /* I - Length of buffer */
2366 # if defined(HAVE_LIBSSL)
2367 return (SSL_read((SSL
*)(http
->tls
), buf
, len
));
2369 # elif defined(HAVE_GNUTLS)
2370 return (gnutls_record_recv(((http_tls_t
*)(http
->tls
))->session
, buf
, len
));
2372 # elif defined(HAVE_CDSASSL)
2373 OSStatus error
; /* Error info */
2374 size_t processed
; /* Number of bytes processed */
2377 error
= SSLRead((SSLContextRef
)http
->tls
, buf
, len
, &processed
);
2383 http
->error
= error
;
2387 # endif /* HAVE_LIBSSL */
2392 * 'http_write_ssl()' - Write to a SSL/TLS connection.
2395 static int /* O - Bytes written */
2396 http_write_ssl(http_t
*http
, /* I - HTTP data */
2397 const char *buf
, /* I - Buffer holding data */
2398 int len
) /* I - Length of buffer */
2400 # if defined(HAVE_LIBSSL)
2401 return (SSL_write((SSL
*)(http
->tls
), buf
, len
));
2403 # elif defined(HAVE_GNUTLS)
2404 return (gnutls_record_send(((http_tls_t
*)(http
->tls
))->session
, buf
, len
));
2405 # elif defined(HAVE_CDSASSL)
2406 OSStatus error
; /* Error info */
2407 size_t processed
; /* Number of bytes processed */
2410 error
= SSLWrite((SSLContextRef
)http
->tls
, buf
, len
, &processed
);
2416 http
->error
= error
;
2419 # endif /* HAVE_LIBSSL */
2423 # if defined(HAVE_CDSASSL)
2425 * 'CDSAReadFunc()' - Read function for CDSA decryption code.
2428 static OSStatus
/* O - -1 on error, 0 on success */
2429 CDSAReadFunc(SSLConnectionRef connection
, /* I - SSL/TLS connection */
2430 void *data
, /* I - Data buffer */
2431 size_t *dataLength
) /* IO - Number of bytes */
2433 ssize_t bytes
; /* Number of bytes read */
2436 bytes
= recv((int)connection
, data
, *dataLength
, 0);
2439 *dataLength
= bytes
;
2448 * 'CDSAWriteFunc()' - Write function for CDSA encryption code.
2451 static OSStatus
/* O - -1 on error, 0 on success */
2452 CDSAWriteFunc(SSLConnectionRef connection
, /* I - SSL/TLS connection */
2453 const void *data
, /* I - Data buffer */
2454 size_t *dataLength
) /* IO - Number of bytes */
2459 bytes
= write((int)connection
, data
, *dataLength
);
2462 *dataLength
= bytes
;
2468 # endif /* HAVE_CDSASSL */
2469 #endif /* HAVE_SSL */
2473 * End of "$Id: http.c,v 1.82.2.50 2004/06/29 01:04:30 mike Exp $".