/*
- * "$Id: request.c 7946 2008-09-16 23:27:54Z mike $"
+ * IPP utilities for CUPS.
*
- * IPP utilities for CUPS.
+ * Copyright © 2007-2018 by Apple Inc.
+ * Copyright © 1997-2007 by Easy Software Products.
*
- * Copyright 2007-2011 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
- * 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.
- * cupsLastError() - Return the last IPP status code.
- * cupsLastErrorString() - Return the last IPP status-message.
- * cupsReadResponseData() - Read additional data after the IPP response.
- * cupsSendRequest() - Send an IPP request.
- * cupsWriteRequestData() - Write additional data after an IPP request.
- * _cupsConnect() - Get the default server connection...
- * _cupsSetError() - Set the last IPP status code and status-message.
- * _cupsSetHTTPError() - Set the last error using the HTTP status.
+ * Licensed under Apache License v2.0. See the file "LICENSE" for more information.
*/
/*
*/
#include "cups-private.h"
+#include "debug-internal.h"
#include <fcntl.h>
#include <sys/stat.h>
-#if defined(WIN32) || defined(__EMX__)
+#if defined(_WIN32) || defined(__EMX__)
# include <io.h>
#else
# include <unistd.h>
-#endif /* WIN32 || __EMX__ */
+#endif /* _WIN32 || __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\")", http, request,
- request ? ippOpString(request->request.op.operation_id) : "?",
- resource, filename));
+ 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/Mac OS X 10.5@
+ * @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)", http, request,
- request ? ippOpString(request->request.op.operation_id) : "?",
- resource, 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);
}
* Get the default connection as needed...
*/
- if (!http)
- if ((http = _cupsConnect()) == NULL)
- {
- ippDelete(request);
+ if (!http && (http = _cupsConnect()) == NULL)
+ {
+ ippDelete(request);
- return (NULL);
- }
+ return (NULL);
+ }
/*
* See if we have a file to send...
* Can't get file information!
*/
- _cupsSetError(errno == EBADF ? IPP_NOT_FOUND : IPP_NOT_AUTHORIZED,
- NULL, 0);
-
+ _cupsSetError(errno == EBADF ? IPP_STATUS_ERROR_NOT_FOUND : IPP_STATUS_ERROR_NOT_AUTHORIZED, NULL, 0);
ippDelete(request);
return (NULL);
}
-#ifdef WIN32
+#ifdef _WIN32
if (fileinfo.st_mode & _S_IFDIR)
#else
if (S_ISDIR(fileinfo.st_mode))
-#endif /* WIN32 */
+#endif /* _WIN32 */
{
/*
* Can't send a directory...
*/
+ _cupsSetError(IPP_STATUS_ERROR_NOT_POSSIBLE, strerror(EISDIR), 0);
ippDelete(request);
- _cupsSetError(IPP_NOT_POSSIBLE, strerror(EISDIR), 0);
-
return (NULL);
}
-#ifndef WIN32
+#ifndef _WIN32
if (!S_ISREG(fileinfo.st_mode))
length = 0; /* Chunk when piping */
else
-#endif /* !WIN32 */
- length = ippLength(request) + fileinfo.st_size;
+#endif /* !_WIN32 */
+ length = ippLength(request) + (size_t)fileinfo.st_size;
}
else
length = ippLength(request);
- DEBUG_printf(("2cupsDoIORequest: Request length=%ld, total length=%ld",
- (long)ippLength(request), (long)length));
+ DEBUG_printf(("2cupsDoIORequest: Request length=%ld, total length=%ld", (long)ippLength(request), (long)length));
/*
* Clear any "Local" authentication data since it is probably stale...
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("2cupsDoIORequest: file write...");
* Send the file with the request...
*/
-#ifndef WIN32
+#ifndef _WIN32
if (S_ISREG(fileinfo.st_mode))
-#endif /* WIN32 */
+#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))
- {
- _httpUpdate(http, &status);
-
- if (status >= HTTP_MULTIPLE_CHOICES)
- 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);
}
- else
- httpFlush(http);
DEBUG_printf(("2cupsDoIORequest: status=%d", status));
- if (status == HTTP_ERROR ||
- (status >= HTTP_BAD_REQUEST && status != HTTP_UNAUTHORIZED &&
- status != HTTP_UPGRADE_REQUIRED))
+ 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);
}
}
* '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\")",
- http, request,
- request ? ippOpString(request->request.op.operation_id) : "?",
- resource));
+ 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/Mac OS X 10.6@
+ * @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(("cupsGetResponse(http=%p, resource=\"%s\")", http, resource));
+ 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 || (http->state != HTTP_POST_RECV && http->state != HTTP_POST_SEND))
+ 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->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...
{
status = httpUpdate(http);
}
- while (http->state == HTTP_POST_RECV);
+ while (status == HTTP_STATUS_CONTINUE);
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("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...
DEBUG_puts("2cupsGetResponse: Need authorization...");
if (!cupsDoAuthentication(http, "POST", resource))
- httpReconnect(http);
+ httpReconnect2(http, 30000, NULL);
else
- status = HTTP_AUTHORIZATION_CANCELED;
+ 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("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 ? 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.
+ * 'cupsLastError()' - Return the last IPP status code received on the current
+ * thread.
*/
ipp_status_t /* O - IPP status code from last request */
/*
- * 'cupsLastErrorString()' - Return the last IPP status-message.
+ * 'cupsLastErrorString()' - Return the last IPP status-message received on the
+ * current thread.
*
- * @since CUPS 1.2/Mac OS X 10.5@
+ * @since CUPS 1.2/macOS 10.5@
*/
const char * /* O - status-message text from last request */
}
+/*
+ * '_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/Mac OS X 10.6@
+ * @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 ")", 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/Mac OS X 10.6@
+ * @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 */
+ char date[256]; /* Date: header value */
+ int digest; /* Are we using Digest authentication? */
- DEBUG_printf(("cupsSendRequest(http=%p, request=%p(%s), resource=\"%s\", "
- "length=" CUPS_LLFMT ")", http, request,
- request ? ippOpString(request->request.op.operation_id) : "?",
- resource, 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);
}
/*
* Get the default connection as needed...
*/
- if (!http)
- if ((http = _cupsConnect()) == NULL)
- return (HTTP_SERVICE_UNAVAILABLE);
+ if (!http && (http = _cupsConnect()) == NULL)
+ 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(httpGetField(http, 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 (;;)
{
httpClearFields(http);
httpSetExpect(http, expect);
httpSetField(http, HTTP_FIELD_CONTENT_TYPE, "application/ipp");
+ httpSetField(http, HTTP_FIELD_DATE, httpGetDateString2(time(NULL), date, (int)sizeof(date)));
httpSetLength(http, length);
+ digest = http->authstring && !strncmp(http->authstring, "Digest ", 7);
+
+ if (digest)
+ {
+ /*
+ * Update the Digest authentication string...
+ */
+
+ _httpSetDigestAuthString(http, http->nextnonce, "POST", resource);
+ }
+
#ifdef HAVE_GSSAPI
if (http->authstring && !strncmp(http->authstring, "Negotiate", 9))
{
* "replay" attack...
*/
- cupsDoAuthentication(http, "POST", resource);
+ _cupsSetNegotiateAuthString(http, "POST", resource);
}
- else
#endif /* HAVE_GSSAPI */
+
httpSetField(http, HTTP_FIELD_AUTHORIZATION, http->authstring);
DEBUG_printf(("2cupsSendRequest: authstring=\"%s\"", http->authstring));
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;
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;
_httpUpdate(http, &status);
- if (status >= HTTP_MULTIPLE_CHOICES)
+ 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)
+ if (!got_status || (digest && status == HTTP_STATUS_CONTINUE))
{
- if (expect == HTTP_CONTINUE)
+ if (expect == HTTP_STATUS_CONTINUE || digest)
{
DEBUG_puts("2cupsSendRequest: Waiting for 100-continue...");
* Process the current HTTP status...
*/
- if (status >= HTTP_MULTIPLE_CHOICES)
+ 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 :
+ case HTTP_STATUS_UNAUTHORIZED :
if (cupsDoAuthentication(http, "POST", resource))
- return (HTTP_AUTHORIZATION_CANCELED);
+ {
+ DEBUG_puts("1cupsSendRequest: Returning HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED.");
+ return (HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED);
+ }
- if (httpReconnect(http))
+ DEBUG_puts("2cupsSendRequest: Reconnecting after HTTP_STATUS_UNAUTHORIZED.");
+
+ 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;
#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);
}
- if (httpEncryption(http, HTTP_ENCRYPT_REQUIRED))
+ DEBUG_puts("2cupsSendRequest: Upgrading to TLS.");
+ if (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);
}
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/Mac OS X 10.6@
+ * @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 */
* Get the default connection as needed...
*/
- DEBUG_printf(("cupsWriteRequestData(http=%p, buffer=%p, "
- "length=" CUPS_LLFMT ")", 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);
- DEBUG_puts("1cupsWriteRequestData: Returning HTTP_ERROR.");
- return (HTTP_ERROR);
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No active connection"), 1);
+ DEBUG_puts("1cupsWriteRequestData: Returning HTTP_STATUS_ERROR.");
+ return (HTTP_STATUS_ERROR);
}
}
if (httpWrite2(http, buffer, length) < 0)
{
- DEBUG_puts("1cupsWriteRequestData: Returning HTTP_ERROR.");
- _cupsSetError(IPP_INTERNAL_ERROR, strerror(http->error), 0);
- return (HTTP_ERROR);
+ DEBUG_puts("1cupsWriteRequestData: Returning HTTP_STATUS_ERROR.");
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(http->error), 0);
+ return (HTTP_STATUS_ERROR);
}
/*
if (length >= HTTP_MAX_BUFFER ||
http->wused < wused ||
- (wused > 0 && http->wused == length))
+ (wused > 0 && (size_t)http->wused == length))
{
/*
* We've written something to the server, so check for response data...
http_status_t status; /* Status from _httpUpdate */
_httpUpdate(http, &status);
- if (status >= HTTP_MULTIPLE_CHOICES)
+ 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_puts("1cupsWriteRequestData: Returning HTTP_CONTINUE.");
- return (HTTP_CONTINUE);
+ DEBUG_puts("1cupsWriteRequestData: Returning HTTP_STATUS_CONTINUE.");
+ return (HTTP_STATUS_CONTINUE);
}
*/
if (strcmp(cg->http->hostname, cg->server) ||
- cg->ipp_port != _httpAddrPort(cg->http->hostaddr) ||
+#ifdef AF_LOCAL
+ (httpAddrFamily(cg->http->hostaddr) != AF_LOCAL && cg->ipp_port != httpAddrPort(cg->http->hostaddr)) ||
+#else
+ cg->ipp_port != httpAddrPort(cg->http->hostaddr) ||
+#endif /* AF_LOCAL */
(cg->http->encryption != cg->encryption &&
- cg->http->encryption == HTTP_ENCRYPT_NEVER))
+ 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;
+ }
+ }
}
/*
if (!cg->http)
{
- if ((cg->http = httpConnectEncrypt(cupsServer(), ippPort(),
- cupsEncryption())) == NULL)
+ if ((cg->http = httpConnect2(cupsServer(), ippPort(), NULL, AF_UNSPEC,
+ cupsEncryption(), 1, 30000, NULL)) == NULL)
{
if (errno)
- _cupsSetError(IPP_SERVICE_UNAVAILABLE, NULL, 0);
+ _cupsSetError(IPP_STATUS_ERROR_SERVICE_UNAVAILABLE, NULL, 0);
else
- _cupsSetError(IPP_SERVICE_UNAVAILABLE,
+ _cupsSetError(IPP_STATUS_ERROR_SERVICE_UNAVAILABLE,
_("Unable to connect to host."), 1);
}
}
{
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_UNAUTHORIZED :
- _cupsSetError(IPP_NOT_AUTHENTICATED, httpStatus(status), 0);
+ case HTTP_STATUS_UNAUTHORIZED :
+ _cupsSetError(IPP_STATUS_ERROR_NOT_AUTHENTICATED, httpStatus(status), 0);
break;
- case HTTP_AUTHORIZATION_CANCELED :
- _cupsSetError(IPP_AUTHENTICATION_CANCELED, 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_UPGRADE_REQUIRED :
- _cupsSetError(IPP_UPGRADE_REQUIRED, httpStatus(status), 0);
+ case HTTP_STATUS_UPGRADE_REQUIRED :
+ _cupsSetError(IPP_STATUS_ERROR_CUPS_UPGRADE_REQUIRED, httpStatus(status), 0);
break;
- case HTTP_PKI_ERROR :
- _cupsSetError(IPP_PKI_ERROR, httpStatus(status), 0);
+ case HTTP_STATUS_CUPS_PKI_ERROR :
+ _cupsSetError(IPP_STATUS_ERROR_CUPS_PKI, httpStatus(status), 0);
break;
- case HTTP_ERROR :
- _cupsSetError(IPP_INTERNAL_ERROR, httpStatus(status), 0);
+ case HTTP_STATUS_ERROR :
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(errno), 0);
break;
default :
DEBUG_printf(("4_cupsSetHTTPError: HTTP error %d mapped to "
- "IPP_SERVICE_UNAVAILABLE!", status));
- _cupsSetError(IPP_SERVICE_UNAVAILABLE, httpStatus(status), 0);
+ "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 $".
- */