/*
- * "$Id: request.c 7946 2008-09-16 23:27:54Z mike $"
+ * IPP utilities for CUPS.
*
- * IPP utilities for the Common UNIX Printing System (CUPS).
+ * Copyright 2007-2014 by Apple Inc.
+ * Copyright 1997-2007 by Easy Software Products.
*
- * Copyright 2007-2008 by Apple Inc.
- * Copyright 1997-2007 by Easy Software Products.
+ * These coded instructions, statements, and computer programs are the
+ * property of Apple Inc. and are protected by Federal copyright
+ * law. Distribution and use rights are outlined in the file "LICENSE.txt"
+ * which should have been included with this file. If this file is
+ * missing or damaged, see the license at "http://www.cups.org/".
*
- * These coded instructions, statements, and computer programs are the
- * property of Apple Inc. and are protected by Federal copyright
- * law. Distribution and use rights are outlined in the file "LICENSE.txt"
- * which should have been included with this file. If this file is
- * file is missing or damaged, see the license at "http://www.cups.org/".
- *
- * This file is subject to the Apple OS-Developed Software exception.
- *
- * Contents:
- *
- * cupsDoFileRequest() - Do an IPP request with a file.
- * cupsDoIORequest() - Do an IPP request with file descriptors.
- * cupsDoRequest() - Do an IPP request.
- * cupsGetResponse() - Get a response to an IPP request.
- * cupsReadResponseData() - Read additional data after the IPP response.
- * cupsSendRequest() - Send an IPP request.
- * cupsWriteRequestData() - Write additional data after an IPP request.
- * _cupsSetError() - Set the last IPP status code and status-message.
- * _cupsSetHTTPError() - Set the last error using the HTTP status.
+ * This file is subject to the Apple OS-Developed Software exception.
*/
/*
* Include necessary headers...
*/
-#include "globals.h"
-#include "debug.h"
-#include <stdlib.h>
-#include <errno.h>
+#include "cups-private.h"
#include <fcntl.h>
#include <sys/stat.h>
#if defined(WIN32) || defined(__EMX__)
#ifndef O_BINARY
# define O_BINARY 0
#endif /* O_BINARY */
+#ifndef MSG_DONTWAIT
+# define MSG_DONTWAIT 0
+#endif /* !MSG_DONTWAIT */
/*
* 'cupsDoFileRequest()' - Do an IPP request with a file.
*
- * This function sends the IPP request to the specified server, retrying
- * and authenticating as necessary. The request is freed with @link ippDelete@
- * after receiving a valid IPP response.
+ * This function sends the IPP request and attached file to the specified
+ * server, retrying and authenticating as necessary. The request is freed with
+ * @link ippDelete@.
*/
ipp_t * /* O - Response data */
int infile; /* Input file */
- DEBUG_printf(("cupsDoFileRequest(http=%p, request=%p(%s), resource=\"%s\", "
- "filename=\"%s\")\n", http, request,
- request ? ippOpString(request->request.op.operation_id) : "?",
- resource ? resource : "(null)",
- filename ? filename : "(null)"));
+ DEBUG_printf(("cupsDoFileRequest(http=%p, request=%p(%s), resource=\"%s\", filename=\"%s\")", (void *)http, (void *)request, request ? ippOpString(request->request.op.operation_id) : "?", resource, filename));
if (filename)
{
* Can't get file information!
*/
- _cupsSetError(errno == ENOENT ? IPP_NOT_FOUND : IPP_NOT_AUTHORIZED,
+ _cupsSetError(errno == ENOENT ? IPP_STATUS_ERROR_NOT_FOUND : IPP_STATUS_ERROR_NOT_AUTHORIZED,
NULL, 0);
ippDelete(request);
/*
* 'cupsDoIORequest()' - Do an IPP request with file descriptors.
*
- * This function sends the IPP request to the specified server, retrying
- * and authenticating as necessary. The request is freed with ippDelete()
- * after receiving a valid IPP response.
+ * This function sends the IPP request with the optional input file "infile" to
+ * the specified server, retrying and authenticating as necessary. The request
+ * is freed with @link ippDelete@.
*
- * If "infile" is a valid file descriptor, cupsDoIORequest() copies
+ * If "infile" is a valid file descriptor, @code cupsDoIORequest@ copies
* all of the data from the file after the IPP request message.
*
- * If "outfile" is a valid file descriptor, cupsDoIORequest() copies
+ * If "outfile" is a valid file descriptor, @code cupsDoIORequest@ copies
* all of the data after the IPP response message to the file.
*
- * @since CUPS 1.3@
+ * @since CUPS 1.3/macOS 10.5@
*/
ipp_t * /* O - Response data */
size_t length = 0; /* Content-Length value */
http_status_t status; /* Status of HTTP request */
struct stat fileinfo; /* File information */
- int bytes; /* Number of bytes read/written */
+ ssize_t bytes; /* Number of bytes read/written */
char buffer[32768]; /* Output buffer */
- DEBUG_printf(("cupsDoIORequest(http=%p, request=%p(%s), resource=\"%s\", "
- "infile=%d, outfile=%d)\n", http, request,
- request ? ippOpString(request->request.op.operation_id) : "?",
- resource ? resource : "(null)", infile, outfile));
+ DEBUG_printf(("cupsDoIORequest(http=%p, request=%p(%s), resource=\"%s\", infile=%d, outfile=%d)", (void *)http, (void *)request, request ? ippOpString(request->request.op.operation_id) : "?", resource, infile, outfile));
/*
* Range check input...
{
ippDelete(request);
- _cupsSetError(IPP_INTERNAL_ERROR, strerror(EINVAL), 0);
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
return (NULL);
}
if (!http)
if ((http = _cupsConnect()) == NULL)
+ {
+ ippDelete(request);
+
return (NULL);
+ }
/*
* See if we have a file to send...
* Can't get file information!
*/
- _cupsSetError(errno == EBADF ? IPP_NOT_FOUND : IPP_NOT_AUTHORIZED,
+ _cupsSetError(errno == EBADF ? IPP_STATUS_ERROR_NOT_FOUND : IPP_STATUS_ERROR_NOT_AUTHORIZED,
NULL, 0);
ippDelete(request);
ippDelete(request);
- _cupsSetError(IPP_NOT_POSSIBLE, strerror(EISDIR), 0);
+ _cupsSetError(IPP_STATUS_ERROR_NOT_POSSIBLE, strerror(EISDIR), 0);
return (NULL);
}
length = 0; /* Chunk when piping */
else
#endif /* !WIN32 */
- length = ippLength(request) + fileinfo.st_size;
+ length = ippLength(request) + (size_t)fileinfo.st_size;
}
else
length = ippLength(request);
- DEBUG_printf(("cupsDoIORequest: Request length=%ld, total length=%ld",
+ DEBUG_printf(("2cupsDoIORequest: Request length=%ld, total length=%ld",
(long)ippLength(request), (long)length));
+ /*
+ * Clear any "Local" authentication data since it is probably stale...
+ */
+
+ if (http->authstring && !strncmp(http->authstring, "Local ", 6))
+ httpSetAuthString(http, NULL, NULL);
+
/*
* Loop until we can send the request without authorization problems.
*/
while (response == NULL)
{
- DEBUG_puts("cupsDoIORequest: setup...");
+ DEBUG_puts("2cupsDoIORequest: setup...");
/*
* Send the request...
status = cupsSendRequest(http, request, resource, length);
- DEBUG_printf(("cupsDoIORequest: status=%d\n", status));
+ DEBUG_printf(("2cupsDoIORequest: status=%d", status));
- if (status == HTTP_CONTINUE && request->state == IPP_DATA && infile >= 0)
+ if (status == HTTP_STATUS_CONTINUE && request->state == IPP_STATE_DATA && infile >= 0)
{
- DEBUG_puts("cupsDoIORequest: file write...");
+ DEBUG_puts("2cupsDoIORequest: file write...");
/*
* Send the file with the request...
#endif /* WIN32 */
lseek(infile, 0, SEEK_SET);
- while ((bytes = (int)read(infile, buffer, sizeof(buffer))) > 0)
+ while ((bytes = read(infile, buffer, sizeof(buffer))) > 0)
{
- if (httpCheck(http))
- {
- if ((status = httpUpdate(http)) != HTTP_CONTINUE)
- break;
- }
-
- if (httpWrite2(http, buffer, bytes) < bytes)
- break;
+ if ((status = cupsWriteRequestData(http, buffer, (size_t)bytes))
+ != HTTP_STATUS_CONTINUE)
+ break;
}
}
* Get the server's response...
*/
- if (status == HTTP_CONTINUE || status == HTTP_OK)
+ if (status <= HTTP_STATUS_CONTINUE || status == HTTP_STATUS_OK)
{
response = cupsGetResponse(http, resource);
- status = http->status;
+ status = httpGetStatus(http);
}
- if (status == HTTP_FORBIDDEN || status == HTTP_ERROR ||
- status == HTTP_SERVICE_UNAVAILABLE)
+ DEBUG_printf(("2cupsDoIORequest: status=%d", status));
+
+ if (status == HTTP_STATUS_ERROR ||
+ (status >= HTTP_STATUS_BAD_REQUEST && status != HTTP_STATUS_UNAUTHORIZED &&
+ status != HTTP_STATUS_UPGRADE_REQUIRED))
{
_cupsSetHTTPError(status);
break;
}
- if (response)
+ if (response && outfile >= 0)
{
- if (outfile >= 0)
- {
- /*
- * Write trailing data to file...
- */
+ /*
+ * Write trailing data to file...
+ */
- while ((bytes = (int)httpRead2(http, buffer, sizeof(buffer))) > 0)
- if (write(outfile, buffer, bytes) < bytes)
- break;
- }
- else
- {
- /*
- * Flush any remaining data...
- */
+ while ((bytes = httpRead2(http, buffer, sizeof(buffer))) > 0)
+ if (write(outfile, buffer, (size_t)bytes) < bytes)
+ break;
+ }
- httpFlush(http);
- }
+ if (http->state != HTTP_STATE_WAITING)
+ {
+ /*
+ * Flush any remaining data...
+ */
+
+ httpFlush(http);
}
}
/*
* Delete the original request and return the response...
*/
-
+
ippDelete(request);
return (response);
* 'cupsDoRequest()' - Do an IPP request.
*
* This function sends the IPP request to the specified server, retrying
- * and authenticating as necessary. The request is freed with ippDelete()
- * after receiving a valid IPP response.
+ * and authenticating as necessary. The request is freed with @link ippDelete@.
*/
ipp_t * /* O - Response data */
ipp_t *request, /* I - IPP request */
const char *resource) /* I - HTTP resource for POST */
{
- DEBUG_printf(("cupsDoRequest(http=%p, request=%p(%s), resource=\"%s\")\n",
- http, request,
- request ? ippOpString(request->request.op.operation_id) : "?",
- resource ? resource : "(null)"));
+ DEBUG_printf(("cupsDoRequest(http=%p, request=%p(%s), resource=\"%s\")", (void *)http, (void *)request, request ? ippOpString(request->request.op.operation_id) : "?", resource));
return (cupsDoIORequest(http, request, resource, -1, -1));
}
* 'cupsGetResponse()' - Get a response to an IPP request.
*
* Use this function to get the response for an IPP request sent using
- * cupsSendDocument() or cupsSendRequest(). For requests that return
- * additional data, use httpRead() after getting a successful response.
+ * @link cupsSendRequest@. For requests that return additional data, use
+ * @link cupsReadResponseData@ after getting a successful response,
+ * otherwise call @link httpFlush@ to complete the response processing.
*
- * @since CUPS 1.4@
+ * @since CUPS 1.4/macOS 10.6@
*/
ipp_t * /* O - Response or @code NULL@ on HTTP error */
ipp_t *response = NULL; /* IPP response */
- DEBUG_printf(("cupsGetReponse(http=%p, resource=\"%s\")\n", http,
- resource ? resource : "(null)"));
+ DEBUG_printf(("cupsGetResponse(http=%p, resource=\"%s\")", (void *)http, resource));
+ DEBUG_printf(("1cupsGetResponse: http->state=%d", http ? http->state : HTTP_STATE_ERROR));
/*
* Connect to the default server as needed...
*/
if (!http)
- http = _cupsConnect();
+ {
+ _cups_globals_t *cg = _cupsGlobals();
+ /* Pointer to library globals */
+
+ if ((http = cg->http) == NULL)
+ {
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No active connection."), 1);
+ DEBUG_puts("1cupsGetResponse: No active connection - returning NULL.");
+ return (NULL);
+ }
+ }
- if (!http || (http->state != HTTP_POST_RECV && http->state != HTTP_POST_SEND))
+ if (http->state != HTTP_STATE_POST_RECV && http->state != HTTP_STATE_POST_SEND)
+ {
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No request sent."), 1);
+ DEBUG_puts("1cupsGetResponse: Not in POST state - returning NULL.");
return (NULL);
+ }
/*
* Check for an unfinished chunked request...
*/
- if (http->data_encoding == HTTP_ENCODE_CHUNKED)
+ if (http->data_encoding == HTTP_ENCODING_CHUNKED)
{
/*
* Send a 0-length chunk to finish off the request...
*/
- DEBUG_puts("cupsGetResponse: Finishing chunked POST...");
+ DEBUG_puts("2cupsGetResponse: Finishing chunked POST...");
if (httpWrite2(http, "", 0) < 0)
return (NULL);
* Wait for a response from the server...
*/
- DEBUG_printf(("cupsGetResponse: Update loop, http->status=%d...\n",
+ DEBUG_printf(("2cupsGetResponse: Update loop, http->status=%d...",
http->status));
- status = http->status;
- while (status == HTTP_CONTINUE)
+ do
+ {
status = httpUpdate(http);
+ }
+ while (status == HTTP_STATUS_CONTINUE);
- DEBUG_printf(("cupsGetResponse: status=%d\n", status));
+ DEBUG_printf(("2cupsGetResponse: status=%d", status));
- if (status == HTTP_OK)
+ if (status == HTTP_STATUS_OK)
{
/*
* Get the IPP response...
response = ippNew();
- while ((state = ippRead(http, response)) != IPP_DATA)
- if (state == IPP_ERROR)
+ while ((state = ippRead(http, response)) != IPP_STATE_DATA)
+ if (state == IPP_STATE_ERROR)
break;
- if (state == IPP_ERROR)
+ if (state == IPP_STATE_ERROR)
{
/*
- * Delete the response...
+ * Flush remaining data and delete the response...
*/
- DEBUG_puts("cupsGetResponse: IPP read error!");
+ DEBUG_puts("1cupsGetResponse: IPP read error!");
+
+ httpFlush(http);
ippDelete(response);
response = NULL;
- _cupsSetError(IPP_SERVICE_UNAVAILABLE, NULL, 0);
+ http->status = status = HTTP_STATUS_ERROR;
+ http->error = EINVAL;
}
}
- else if (status != HTTP_ERROR)
+ else if (status != HTTP_STATUS_ERROR)
{
/*
* Flush any error message...
* Then handle encryption and authentication...
*/
- if (status == HTTP_UNAUTHORIZED)
+ if (status == HTTP_STATUS_UNAUTHORIZED)
{
/*
* See if we can do authentication...
*/
- int auth_result;
-
- DEBUG_puts("cupsGetResponse: Need authorization...");
+ DEBUG_puts("2cupsGetResponse: Need authorization...");
- if ((auth_result = cupsDoAuthentication(http, "POST", resource)) == 0)
- httpReconnect(http);
- else if (auth_result < 0)
- http->status = status = HTTP_FORBIDDEN;
+ if (!cupsDoAuthentication(http, "POST", resource))
+ httpReconnect2(http, 30000, NULL);
+ else
+ http->status = status = HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED;
}
#ifdef HAVE_SSL
- else if (status == HTTP_UPGRADE_REQUIRED)
+ else if (status == HTTP_STATUS_UPGRADE_REQUIRED)
{
/*
* Force a reconnect with encryption...
*/
- DEBUG_puts("cupsGetResponse: Need encryption...");
+ DEBUG_puts("2cupsGetResponse: Need encryption...");
- if (!httpReconnect(http))
- httpEncryption(http, HTTP_ENCRYPT_REQUIRED);
+ if (!httpReconnect2(http, 30000, NULL))
+ httpEncryption(http, HTTP_ENCRYPTION_REQUIRED);
}
#endif /* HAVE_SSL */
}
attr = ippFindAttribute(response, "status-message", IPP_TAG_TEXT);
- DEBUG_printf(("cupsGetResponse: status-code=%s, status-message=\"%s\"\n",
+ DEBUG_printf(("1cupsGetResponse: status-code=%s, status-message=\"%s\"",
ippErrorString(response->request.status.status_code),
attr ? attr->values[0].string.text : ""));
attr ? attr->values[0].string.text :
ippErrorString(response->request.status.status_code), 0);
}
- else if (status != HTTP_OK)
- _cupsSetHTTPError(status);
return (response);
}
+/*
+ * 'cupsLastError()' - Return the last IPP status code received on the current
+ * thread.
+ */
+
+ipp_status_t /* O - IPP status code from last request */
+cupsLastError(void)
+{
+ return (_cupsGlobals()->last_error);
+}
+
+
+/*
+ * 'cupsLastErrorString()' - Return the last IPP status-message received on the
+ * current thread.
+ *
+ * @since CUPS 1.2/macOS 10.5@
+ */
+
+const char * /* O - status-message text from last request */
+cupsLastErrorString(void)
+{
+ return (_cupsGlobals()->last_status_message);
+}
+
+
+/*
+ * '_cupsNextDelay()' - Return the next retry delay value.
+ *
+ * This function currently returns the Fibonacci sequence 1 1 2 3 5 8.
+ *
+ * Pass 0 for the current delay value to initialize the sequence.
+ */
+
+int /* O - Next delay value */
+_cupsNextDelay(int current, /* I - Current delay value or 0 */
+ int *previous) /* IO - Previous delay value */
+{
+ int next; /* Next delay value */
+
+
+ if (current > 0)
+ {
+ next = (current + *previous) % 12;
+ *previous = next < current ? 0 : current;
+ }
+ else
+ {
+ next = 1;
+ *previous = 0;
+ }
+
+ return (next);
+}
+
+
/*
* 'cupsReadResponseData()' - Read additional data after the IPP response.
*
- * This function is used after cupsGetResponse() to read the PPD or document
- * files for CUPS_GET_PPD and CUPS_GET_DOCUMENT requests, respectively.
+ * This function is used after @link cupsGetResponse@ to read the PPD or document
+ * files from @code CUPS_GET_PPD@ and @code CUPS_GET_DOCUMENT@ requests,
+ * respectively.
*
- * @since CUPS 1.4@
+ * @since CUPS 1.4/macOS 10.6@
*/
ssize_t /* O - Bytes read, 0 on EOF, -1 on error */
* Get the default connection as needed...
*/
- DEBUG_printf(("cupsReadResponseData(http=%p, buffer=%p, "
- "length=" CUPS_LLFMT ")\n", http, buffer, CUPS_LLCAST length));
+ DEBUG_printf(("cupsReadResponseData(http=%p, buffer=%p, length=" CUPS_LLFMT ")", (void *)http, (void *)buffer, CUPS_LLCAST length));
if (!http)
{
if ((http = cg->http) == NULL)
{
- _cupsSetError(IPP_INTERNAL_ERROR, _("No active connection"), 1);
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No active connection"), 1);
return (-1);
}
}
/*
* 'cupsSendRequest()' - Send an IPP request.
*
- * Use httpWrite() to write any additional data (document, PPD file, etc.)
- * for the request, cupsGetResponse() to get the IPP response, and httpRead()
- * to read any additional data following the response. Only one request can be
- * sent/queued at a time.
+ * Use @link cupsWriteRequestData@ to write any additional data (document, PPD
+ * file, etc.) for the request, @link cupsGetResponse@ to get the IPP response,
+ * and @link cupsReadResponseData@ to read any additional data following the
+ * response. Only one request can be sent/queued at a time per @code http_t@
+ * connection.
+ *
+ * Returns the initial HTTP status code, which will be @code HTTP_STATUS_CONTINUE@
+ * on a successful send of the request.
*
- * Unlike cupsDoFileRequest(), cupsDoIORequest(), and cupsDoRequest(), the
- * request is not freed.
+ * Note: Unlike @link cupsDoFileRequest@, @link cupsDoIORequest@, and
+ * @link cupsDoRequest@, the request is NOT freed with @link ippDelete@.
*
- * @since CUPS 1.4@
+ * @since CUPS 1.4/macOS 10.6@
*/
http_status_t /* O - Initial HTTP status */
const char *resource, /* I - Resource path */
size_t length) /* I - Length of data to follow or @code CUPS_LENGTH_VARIABLE@ */
{
- http_status_t status; /* Status of HTTP request */
- int got_status; /* Did we get the status? */
- ipp_state_t state; /* State of IPP processing */
- http_status_t expect; /* Expect: header to use */
+ http_status_t status; /* Status of HTTP request */
+ int got_status; /* Did we get the status? */
+ ipp_state_t state; /* State of IPP processing */
+ http_status_t expect; /* Expect: header to use */
- DEBUG_printf(("cupsSendRequest(http=%p, request=%p(%s), resource=\"%s\", "
- "length=" CUPS_LLFMT ")\n", http, request,
- request ? ippOpString(request->request.op.operation_id) : "?",
- resource ? resource : "(null)", CUPS_LLCAST length));
+ DEBUG_printf(("cupsSendRequest(http=%p, request=%p(%s), resource=\"%s\", length=" CUPS_LLFMT ")", (void *)http, (void *)request, request ? ippOpString(request->request.op.operation_id) : "?", resource, CUPS_LLCAST length));
/*
* Range check input...
if (!request || !resource)
{
- _cupsSetError(IPP_INTERNAL_ERROR, strerror(EINVAL), 0);
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
- return (HTTP_ERROR);
+ return (HTTP_STATUS_ERROR);
}
/*
if (!http)
if ((http = _cupsConnect()) == NULL)
- return (HTTP_SERVICE_UNAVAILABLE);
+ return (HTTP_STATUS_SERVICE_UNAVAILABLE);
+
+ /*
+ * If the prior request was not flushed out, do so now...
+ */
+
+ if (http->state == HTTP_STATE_GET_SEND ||
+ http->state == HTTP_STATE_POST_SEND)
+ {
+ DEBUG_puts("2cupsSendRequest: Flush prior response.");
+ httpFlush(http);
+ }
+ else if (http->state != HTTP_STATE_WAITING)
+ {
+ DEBUG_printf(("1cupsSendRequest: Unknown HTTP state (%d), "
+ "reconnecting.", http->state));
+ if (httpReconnect2(http, 30000, NULL))
+ return (HTTP_STATUS_ERROR);
+ }
#ifdef HAVE_SSL
/*
if (ippFindAttribute(request, "auth-info", IPP_TAG_TEXT) &&
!httpAddrLocalhost(http->hostaddr) && !http->tls &&
- httpEncryption(http, HTTP_ENCRYPT_REQUIRED))
+ httpEncryption(http, HTTP_ENCRYPTION_REQUIRED))
{
- _cupsSetError(IPP_SERVICE_UNAVAILABLE, NULL, 0);
- return (HTTP_SERVICE_UNAVAILABLE);
+ DEBUG_puts("1cupsSendRequest: Unable to encrypt connection.");
+ return (HTTP_STATUS_SERVICE_UNAVAILABLE);
}
#endif /* HAVE_SSL */
* Reconnect if the last response had a "Connection: close"...
*/
- if (!strcasecmp(http->fields[HTTP_FIELD_CONNECTION], "close"))
- if (httpReconnect(http))
+ if (!_cups_strcasecmp(http->fields[HTTP_FIELD_CONNECTION], "close"))
+ {
+ DEBUG_puts("2cupsSendRequest: Connection: close");
+ httpClearFields(http);
+ if (httpReconnect2(http, 30000, NULL))
{
- _cupsSetError(IPP_SERVICE_UNAVAILABLE, NULL, 0);
- return (HTTP_SERVICE_UNAVAILABLE);
+ DEBUG_puts("1cupsSendRequest: Unable to reconnect.");
+ return (HTTP_STATUS_SERVICE_UNAVAILABLE);
}
+ }
/*
* Loop until we can send the request without authorization problems.
*/
- expect = HTTP_CONTINUE;
+ expect = HTTP_STATUS_CONTINUE;
for (;;)
{
- DEBUG_puts("cupsSendRequest: Setup...");
+ DEBUG_puts("2cupsSendRequest: Setup...");
/*
* Setup the HTTP variables needed...
*/
httpClearFields(http);
- httpSetLength(http, length);
+ httpSetExpect(http, expect);
httpSetField(http, HTTP_FIELD_CONTENT_TYPE, "application/ipp");
+ httpSetLength(http, length);
+
+#ifdef HAVE_GSSAPI
+ if (http->authstring && !strncmp(http->authstring, "Negotiate", 9))
+ {
+ /*
+ * Do not use cached Kerberos credentials since they will look like a
+ * "replay" attack...
+ */
+
+ _cupsSetNegotiateAuthString(http, "POST", resource);
+ }
+#endif /* HAVE_GSSAPI */
+
httpSetField(http, HTTP_FIELD_AUTHORIZATION, http->authstring);
- httpSetExpect(http, expect);
- DEBUG_printf(("cupsSendRequest: authstring=\"%s\"\n", http->authstring));
+ DEBUG_printf(("2cupsSendRequest: authstring=\"%s\"", http->authstring));
/*
* Try the request...
*/
- DEBUG_puts("cupsSendRequest: Sending HTTP POST...");
+ DEBUG_puts("2cupsSendRequest: Sending HTTP POST...");
if (httpPost(http, resource))
{
- if (httpReconnect(http))
+ DEBUG_puts("2cupsSendRequest: POST failed, reconnecting.");
+ if (httpReconnect2(http, 30000, NULL))
{
- _cupsSetError(IPP_SERVICE_UNAVAILABLE, NULL, 0);
- return (HTTP_SERVICE_UNAVAILABLE);
+ DEBUG_puts("1cupsSendRequest: Unable to reconnect.");
+ return (HTTP_STATUS_SERVICE_UNAVAILABLE);
}
else
continue;
* Send the IPP data...
*/
- DEBUG_puts("cupsSendRequest: Writing IPP request...");
+ DEBUG_puts("2cupsSendRequest: Writing IPP request...");
- request->state = IPP_IDLE;
- status = HTTP_CONTINUE;
+ request->state = IPP_STATE_IDLE;
+ status = HTTP_STATUS_CONTINUE;
got_status = 0;
- while ((state = ippWrite(http, request)) != IPP_DATA)
- if (state == IPP_ERROR)
- break;
- else if (httpCheck(http))
+ while ((state = ippWrite(http, request)) != IPP_STATE_DATA)
+ {
+ if (httpCheck(http))
{
got_status = 1;
- if ((status = httpUpdate(http)) != HTTP_CONTINUE)
+ _httpUpdate(http, &status);
+ if (status >= HTTP_STATUS_MULTIPLE_CHOICES)
break;
}
+ else if (state == IPP_STATE_ERROR)
+ break;
+ }
+
+ if (state == IPP_STATE_ERROR)
+ {
+ /*
+ * We weren't able to send the IPP request. But did we already get a HTTP
+ * error status?
+ */
+
+ if (!got_status || status < HTTP_STATUS_MULTIPLE_CHOICES)
+ {
+ /*
+ * No, something else went wrong.
+ */
+
+ DEBUG_puts("1cupsSendRequest: Unable to send IPP request.");
+
+ http->status = HTTP_STATUS_ERROR;
+ http->state = HTTP_STATE_WAITING;
+
+ return (HTTP_STATUS_ERROR);
+ }
+ }
/*
* Wait up to 1 second to get the 100-continue response as needed...
*/
- if (!got_status && expect == HTTP_CONTINUE)
+ if (!got_status)
{
- DEBUG_puts("cupsSendRequest: Waiting for 100-continue...");
+ if (expect == HTTP_STATUS_CONTINUE)
+ {
+ DEBUG_puts("2cupsSendRequest: Waiting for 100-continue...");
- if (httpWait(http, 1000))
- status = httpUpdate(http);
+ if (httpWait(http, 1000))
+ _httpUpdate(http, &status);
+ }
+ else if (httpCheck(http))
+ _httpUpdate(http, &status);
}
- else if (httpCheck(http))
- status = httpUpdate(http);
- DEBUG_printf(("cupsSendRequest: status=%d\n", status));
+ DEBUG_printf(("2cupsSendRequest: status=%d", status));
/*
* Process the current HTTP status...
*/
+ if (status >= HTTP_STATUS_MULTIPLE_CHOICES)
+ {
+ int temp_status; /* Temporary status */
+
+ _cupsSetHTTPError(status);
+
+ do
+ {
+ temp_status = httpUpdate(http);
+ }
+ while (temp_status != HTTP_STATUS_ERROR &&
+ http->state == HTTP_STATE_POST_RECV);
+
+ httpFlush(http);
+ }
+
switch (status)
{
- case HTTP_ERROR :
- case HTTP_CONTINUE :
- case HTTP_OK :
+ case HTTP_STATUS_CONTINUE :
+ case HTTP_STATUS_OK :
+ case HTTP_STATUS_ERROR :
+ DEBUG_printf(("1cupsSendRequest: Returning %d.", status));
return (status);
- case HTTP_UNAUTHORIZED :
- if (!cupsDoAuthentication(http, "POST", resource))
- if (httpReconnect(http))
- {
- _cupsSetError(IPP_SERVICE_UNAVAILABLE, NULL, 0);
- return (HTTP_SERVICE_UNAVAILABLE);
- }
+ case HTTP_STATUS_UNAUTHORIZED :
+ if (cupsDoAuthentication(http, "POST", resource))
+ {
+ DEBUG_puts("1cupsSendRequest: Returning HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED.");
+ return (HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED);
+ }
- return (status);
+ DEBUG_puts("2cupsSendRequest: Reconnecting after HTTP_STATUS_UNAUTHORIZED.");
+
+ if (httpReconnect2(http, 30000, NULL))
+ {
+ DEBUG_puts("1cupsSendRequest: Unable to reconnect.");
+ return (HTTP_STATUS_SERVICE_UNAVAILABLE);
+ }
+ break;
#ifdef HAVE_SSL
- case HTTP_UPGRADE_REQUIRED :
+ case HTTP_STATUS_UPGRADE_REQUIRED :
/*
* Flush any error message, reconnect, and then upgrade with
* encryption...
*/
- if (httpReconnect(http))
+ DEBUG_puts("2cupsSendRequest: Reconnecting after "
+ "HTTP_STATUS_UPGRADE_REQUIRED.");
+
+ if (httpReconnect2(http, 30000, NULL))
{
- _cupsSetError(IPP_SERVICE_UNAVAILABLE, NULL, 0);
- return (HTTP_SERVICE_UNAVAILABLE);
+ DEBUG_puts("1cupsSendRequest: Unable to reconnect.");
+ return (HTTP_STATUS_SERVICE_UNAVAILABLE);
}
- httpEncryption(http, HTTP_ENCRYPT_REQUIRED);
-
- return (status);
+ DEBUG_puts("2cupsSendRequest: Upgrading to TLS.");
+ if (httpEncryption(http, HTTP_ENCRYPTION_REQUIRED))
+ {
+ DEBUG_puts("1cupsSendRequest: Unable to encrypt connection.");
+ return (HTTP_STATUS_SERVICE_UNAVAILABLE);
+ }
+ break;
#endif /* HAVE_SSL */
- case HTTP_EXPECTATION_FAILED :
+ case HTTP_STATUS_EXPECTATION_FAILED :
/*
* Don't try using the Expect: header the next time around...
*/
expect = (http_status_t)0;
- if (httpReconnect(http))
+ DEBUG_puts("2cupsSendRequest: Reconnecting after "
+ "HTTP_EXPECTATION_FAILED.");
+
+ if (httpReconnect2(http, 30000, NULL))
{
- _cupsSetError(IPP_SERVICE_UNAVAILABLE, NULL, 0);
- return (HTTP_SERVICE_UNAVAILABLE);
+ DEBUG_puts("1cupsSendRequest: Unable to reconnect.");
+ return (HTTP_STATUS_SERVICE_UNAVAILABLE);
}
break;
* This function is used after @link cupsSendRequest@ to provide a PPD and
* after @link cupsStartDocument@ to provide a document file.
*
- * @since CUPS 1.4@
+ * @since CUPS 1.4/macOS 10.6@
*/
-http_status_t /* O - @code HTTP_CONTINUE@ if OK or HTTP status on error */
+http_status_t /* O - @code HTTP_STATUS_CONTINUE@ if OK or HTTP status on error */
cupsWriteRequestData(
http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
const char *buffer, /* I - Bytes to write */
size_t length) /* I - Number of bytes to write */
{
+ int wused; /* Previous bytes in buffer */
+
+
/*
* Get the default connection as needed...
*/
- DEBUG_printf(("cupsWriteRequestData(http=%p, buffer=%p, "
- "length=" CUPS_LLFMT ")\n", http, buffer, CUPS_LLCAST length));
+ DEBUG_printf(("cupsWriteRequestData(http=%p, buffer=%p, length=" CUPS_LLFMT ")", (void *)http, (void *)buffer, CUPS_LLCAST length));
if (!http)
{
if ((http = cg->http) == NULL)
{
- _cupsSetError(IPP_INTERNAL_ERROR, _("No active connection"), 1);
- return (HTTP_ERROR);
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No active connection"), 1);
+ DEBUG_puts("1cupsWriteRequestData: Returning HTTP_STATUS_ERROR.");
+ return (HTTP_STATUS_ERROR);
}
}
* Then write to the HTTP connection...
*/
+ wused = http->wused;
+
if (httpWrite2(http, buffer, length) < 0)
- return (HTTP_ERROR);
+ {
+ DEBUG_puts("1cupsWriteRequestData: Returning HTTP_STATUS_ERROR.");
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(http->error), 0);
+ return (HTTP_STATUS_ERROR);
+ }
/*
* Finally, check if we have any pending data from the server...
*/
- if (httpCheck(http))
- return (httpUpdate(http));
- else
- return (HTTP_CONTINUE);
+ if (length >= HTTP_MAX_BUFFER ||
+ http->wused < wused ||
+ (wused > 0 && (size_t)http->wused == length))
+ {
+ /*
+ * We've written something to the server, so check for response data...
+ */
+
+ if (_httpWait(http, 0, 1))
+ {
+ http_status_t status; /* Status from _httpUpdate */
+
+ _httpUpdate(http, &status);
+ if (status >= HTTP_STATUS_MULTIPLE_CHOICES)
+ {
+ _cupsSetHTTPError(status);
+
+ do
+ {
+ status = httpUpdate(http);
+ }
+ while (status != HTTP_STATUS_ERROR && http->state == HTTP_STATE_POST_RECV);
+
+ httpFlush(http);
+ }
+
+ DEBUG_printf(("1cupsWriteRequestData: Returning %d.\n", status));
+ return (status);
+ }
+ }
+
+ DEBUG_puts("1cupsWriteRequestData: Returning HTTP_STATUS_CONTINUE.");
+ return (HTTP_STATUS_CONTINUE);
+}
+
+
+/*
+ * '_cupsConnect()' - Get the default server connection...
+ */
+
+http_t * /* O - HTTP connection */
+_cupsConnect(void)
+{
+ _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
+
+
+ /*
+ * See if we are connected to the same server...
+ */
+
+ if (cg->http)
+ {
+ /*
+ * Compare the connection hostname, port, and encryption settings to
+ * the cached defaults; these were initialized the first time we
+ * connected...
+ */
+
+ if (strcmp(cg->http->hostname, cg->server) ||
+ cg->ipp_port != httpAddrPort(cg->http->hostaddr) ||
+ (cg->http->encryption != cg->encryption &&
+ cg->http->encryption == HTTP_ENCRYPTION_NEVER))
+ {
+ /*
+ * Need to close the current connection because something has changed...
+ */
+
+ httpClose(cg->http);
+ cg->http = NULL;
+ }
+ else
+ {
+ /*
+ * Same server, see if the connection is still established...
+ */
+
+ char ch; /* Connection check byte */
+ ssize_t n; /* Number of bytes */
+
+#ifdef WIN32
+ if ((n = recv(cg->http->fd, &ch, 1, MSG_PEEK)) == 0 ||
+ (n < 0 && WSAGetLastError() != WSAEWOULDBLOCK))
+#else
+ if ((n = recv(cg->http->fd, &ch, 1, MSG_PEEK | MSG_DONTWAIT)) == 0 ||
+ (n < 0 && errno != EWOULDBLOCK))
+#endif /* WIN32 */
+ {
+ /*
+ * Nope, close the connection...
+ */
+
+ httpClose(cg->http);
+ cg->http = NULL;
+ }
+ }
+ }
+
+ /*
+ * (Re)connect as needed...
+ */
+
+ if (!cg->http)
+ {
+ if ((cg->http = httpConnect2(cupsServer(), ippPort(), NULL, AF_UNSPEC,
+ cupsEncryption(), 1, 30000, NULL)) == NULL)
+ {
+ if (errno)
+ _cupsSetError(IPP_STATUS_ERROR_SERVICE_UNAVAILABLE, NULL, 0);
+ else
+ _cupsSetError(IPP_STATUS_ERROR_SERVICE_UNAVAILABLE,
+ _("Unable to connect to host."), 1);
+ }
+ }
+
+ /*
+ * Return the cached connection...
+ */
+
+ return (cg->http);
}
cg->last_status_message = _cupsStrAlloc(message);
}
- DEBUG_printf(("_cupsSetError: last_error=%s, last_status_message=\"%s\"\n",
- ippErrorString(cg->last_error),
- cg->last_status_message ? cg->last_status_message : ""));
+ DEBUG_printf(("4_cupsSetError: last_error=%s, last_status_message=\"%s\"",
+ ippErrorString(cg->last_error), cg->last_status_message));
}
{
switch (status)
{
- case HTTP_NOT_FOUND :
- _cupsSetError(IPP_NOT_FOUND, httpStatus(status), 0);
+ case HTTP_STATUS_NOT_FOUND :
+ _cupsSetError(IPP_STATUS_ERROR_NOT_FOUND, httpStatus(status), 0);
+ break;
+
+ case HTTP_STATUS_UNAUTHORIZED :
+ _cupsSetError(IPP_STATUS_ERROR_NOT_AUTHENTICATED, httpStatus(status), 0);
break;
- case HTTP_UNAUTHORIZED :
- _cupsSetError(IPP_NOT_AUTHORIZED, httpStatus(status), 0);
+ case HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED :
+ _cupsSetError(IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED, httpStatus(status), 0);
break;
- case HTTP_FORBIDDEN :
- _cupsSetError(IPP_FORBIDDEN, httpStatus(status), 0);
+ case HTTP_STATUS_FORBIDDEN :
+ _cupsSetError(IPP_STATUS_ERROR_FORBIDDEN, httpStatus(status), 0);
break;
- case HTTP_BAD_REQUEST :
- _cupsSetError(IPP_BAD_REQUEST, httpStatus(status), 0);
+ case HTTP_STATUS_BAD_REQUEST :
+ _cupsSetError(IPP_STATUS_ERROR_BAD_REQUEST, httpStatus(status), 0);
break;
- case HTTP_REQUEST_TOO_LARGE :
- _cupsSetError(IPP_REQUEST_VALUE, httpStatus(status), 0);
+ case HTTP_STATUS_REQUEST_TOO_LARGE :
+ _cupsSetError(IPP_STATUS_ERROR_REQUEST_VALUE, httpStatus(status), 0);
break;
- case HTTP_NOT_IMPLEMENTED :
- _cupsSetError(IPP_OPERATION_NOT_SUPPORTED, httpStatus(status), 0);
+ case HTTP_STATUS_NOT_IMPLEMENTED :
+ _cupsSetError(IPP_STATUS_ERROR_OPERATION_NOT_SUPPORTED, httpStatus(status), 0);
break;
- case HTTP_NOT_SUPPORTED :
- _cupsSetError(IPP_VERSION_NOT_SUPPORTED, httpStatus(status), 0);
+ case HTTP_STATUS_NOT_SUPPORTED :
+ _cupsSetError(IPP_STATUS_ERROR_VERSION_NOT_SUPPORTED, httpStatus(status), 0);
break;
+ case HTTP_STATUS_UPGRADE_REQUIRED :
+ _cupsSetError(IPP_STATUS_ERROR_CUPS_UPGRADE_REQUIRED, httpStatus(status), 0);
+ break;
+
+ case HTTP_STATUS_CUPS_PKI_ERROR :
+ _cupsSetError(IPP_STATUS_ERROR_CUPS_PKI, httpStatus(status), 0);
+ break;
+
+ case HTTP_STATUS_ERROR :
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(errno), 0);
+ break;
+
default :
- DEBUG_printf(("HTTP error %d mapped to IPP_SERVICE_UNAVAILABLE!\n",
- status));
- _cupsSetError(IPP_SERVICE_UNAVAILABLE, httpStatus(status), 0);
+ DEBUG_printf(("4_cupsSetHTTPError: HTTP error %d mapped to "
+ "IPP_STATUS_ERROR_SERVICE_UNAVAILABLE!", status));
+ _cupsSetError(IPP_STATUS_ERROR_SERVICE_UNAVAILABLE, httpStatus(status), 0);
break;
}
}
-
-
-/*
- * End of "$Id: request.c 7946 2008-09-16 23:27:54Z mike $".
- */
projects / thirdparty / cups.git / blobdiff