/*
* PPD utilities for CUPS.
*
- * Copyright 2007-2015 by Apple Inc.
- * Copyright 1997-2006 by Easy Software Products.
+ * Copyright © 2007-2018 by Apple Inc.
+ * Copyright © 1997-2006 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.
+ * Licensed under Apache License v2.0. See the file "LICENSE" for more
+ * information.
*/
/*
#include "cups-private.h"
#include "ppd-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__ */
/*
* each call to @link cupsGetPPD@ or @code cupsGetPPD2@. The caller "owns" the
* file that is created and must @code unlink@ the returned filename.
*
- * @since CUPS 1.1.21/OS X 10.4@
+ * @since CUPS 1.1.21/macOS 10.4@
*/
const char * /* O - Filename for PPD file */
* For classes, @code cupsGetPPD3@ returns the PPD file for the first printer
* in the class.
*
- * @since CUPS 1.4/OS X 10.6@
+ * @since CUPS 1.4/macOS 10.6@
*/
http_status_t /* O - HTTP status */
if (!name)
{
+ DEBUG_puts("2cupsGetPPD3: No printer name, returning NULL.");
_cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No printer name"), 1);
return (HTTP_STATUS_NOT_ACCEPTABLE);
}
if (!modtime)
{
+ DEBUG_puts("2cupsGetPPD3: No modtime, returning NULL.");
_cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No modification time"), 1);
return (HTTP_STATUS_NOT_ACCEPTABLE);
}
if (!buffer || bufsize <= 1)
{
+ DEBUG_puts("2cupsGetPPD3: No filename buffer, returning NULL.");
_cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Bad filename buffer"), 1);
return (HTTP_STATUS_NOT_ACCEPTABLE);
}
-#ifndef WIN32
+#ifndef _WIN32
/*
* See if the PPD file is available locally...
*/
if (buffer[0])
{
+ DEBUG_printf(("2cupsGetPPD3: Using filename \"%s\".", buffer));
+
unlink(buffer);
if (symlink(ppdname, buffer) && errno != EEXIST)
const char *tmpdir; /* TMPDIR environment variable */
struct timeval curtime; /* Current time */
+
+#ifdef __APPLE__
+ /*
+ * On macOS and iOS, the TMPDIR environment variable is not always the
+ * best location to place temporary files due to sandboxing. Instead,
+ * the confstr function should be called to get the proper per-user,
+ * per-process TMPDIR value.
+ */
+
+ char tmppath[1024]; /* Temporary directory */
+
+ if ((tmpdir = getenv("TMPDIR")) != NULL && access(tmpdir, W_OK))
+ tmpdir = NULL;
+
+ if (!tmpdir)
+ {
+ if (confstr(_CS_DARWIN_USER_TEMP_DIR, tmppath, sizeof(tmppath)))
+ tmpdir = tmppath;
+ else
+ tmpdir = "/private/tmp"; /* This should never happen */
+ }
+#else
/*
* Previously we put root temporary files in the default CUPS temporary
* directory under /var/spool/cups. However, since the scheduler cleans
*/
if ((tmpdir = getenv("TMPDIR")) == NULL)
-# ifdef __APPLE__
- tmpdir = "/private/tmp"; /* /tmp is a symlink to /private/tmp */
-# else
- tmpdir = "/tmp";
-# endif /* __APPLE__ */
+ tmpdir = "/tmp";
+#endif /* __APPLE__ */
+
+ DEBUG_printf(("2cupsGetPPD3: tmpdir=\"%s\".", tmpdir));
/*
* Make the temporary name using the specified directory...
if (!symlink(ppdname, buffer))
break;
+ DEBUG_printf(("2cupsGetPPD3: Symlink \"%s\" to \"%s\" failed: %s", ppdname, buffer, strerror(errno)));
+
tries ++;
}
while (tries < 1000);
if (tries >= 1000)
{
+ DEBUG_puts("2cupsGetPPD3: Unable to symlink after 1000 tries, returning error.");
+
_cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0);
return (HTTP_STATUS_SERVER_ERROR);
}
if (*modtime >= ppdinfo.st_mtime)
+ {
+ DEBUG_printf(("2cupsGetPPD3: Returning not-modified, filename=\"%s\".", buffer));
return (HTTP_STATUS_NOT_MODIFIED);
+ }
else
{
+ DEBUG_printf(("2cupsGetPPD3: Returning ok, filename=\"%s\", modtime=%ld.", buffer, (long)ppdinfo.st_mtime));
*modtime = ppdinfo.st_mtime;
return (HTTP_STATUS_OK);
}
}
}
-#endif /* !WIN32 */
+#endif /* !_WIN32 */
/*
* Try finding a printer URI for this printer...
*/
+ DEBUG_puts("2cupsGetPPD3: Unable to access local file, copying...");
+
if (!http)
+ {
if ((http = _cupsConnect()) == NULL)
+ {
+ DEBUG_puts("2cupsGetPPD3: Unable to connect to scheduler.");
return (HTTP_STATUS_SERVICE_UNAVAILABLE);
+ }
+ }
- if (!cups_get_printer_uri(http, name, hostname, sizeof(hostname), &port,
- resource, sizeof(resource), 0))
+ if (!cups_get_printer_uri(http, name, hostname, sizeof(hostname), &port, resource, sizeof(resource), 0))
+ {
+ DEBUG_puts("2cupsGetPPD3: Unable to get printer URI.");
return (HTTP_STATUS_NOT_FOUND);
+ }
- DEBUG_printf(("2cupsGetPPD3: Printer hostname=\"%s\", port=%d", hostname,
- port));
+ DEBUG_printf(("2cupsGetPPD3: Printer hostname=\"%s\", port=%d", hostname, port));
if (cupsServer()[0] == '/' && !_cups_strcasecmp(hostname, "localhost") && port == ippPort())
{
else if ((http2 = httpConnect2(hostname, port, NULL, AF_UNSPEC,
cupsEncryption(), 1, 30000, NULL)) == NULL)
{
- DEBUG_puts("1cupsGetPPD3: Unable to connect to server");
+ DEBUG_puts("2cupsGetPPD3: Unable to connect to server");
return (HTTP_STATUS_SERVICE_UNAVAILABLE);
}
* Return the PPD file...
*/
- DEBUG_printf(("1cupsGetPPD3: Returning status %d", status));
+ DEBUG_printf(("2cupsGetPPD3: Returning status %d", status));
return (status);
}
* overwritten on the next call to @link cupsGetPPD@, @link cupsGetPPD2@,
* or @link cupsGetServerPPD@.
*
- * @since CUPS 1.3/OS X 10.5@
+ * @since CUPS 1.3/macOS 10.5@
*/
char * /* O - Name of PPD file or @code NULL@ on error */
int depth) /* I - Depth of query */
{
int i; /* Looping var */
- int http_port; /* Port number */
- http_t *http2; /* Alternate HTTP connection */
ipp_t *request, /* IPP request */
*response; /* IPP response */
ipp_attribute_t *attr; /* Current attribute */
char uri[HTTP_MAX_URI], /* printer-uri attribute */
scheme[HTTP_MAX_URI], /* Scheme name */
- username[HTTP_MAX_URI], /* Username:password */
- classname[255], /* Temporary class name */
- http_hostname[HTTP_MAX_HOST];
- /* Hostname associated with connection */
+ username[HTTP_MAX_URI]; /* Username:password */
static const char * const requested_attrs[] =
{ /* Requested attributes */
- "device-uri",
"member-uris",
- "printer-uri-supported",
- "printer-type"
+ "printer-uri-supported"
};
DEBUG_printf(("5cups_get_printer_uri: printer-uri=\"%s\"", uri));
- /*
- * Get the hostname and port number we are connected to...
- */
-
- httpGetHostname(http, http_hostname, sizeof(http_hostname));
- http_port = httpAddrPort(http->hostaddr);
-
- DEBUG_printf(("5cups_get_printer_uri: http_hostname=\"%s\"", http_hostname));
-
/*
* Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the following
* attributes:
if ((response = cupsDoRequest(http, request, resource)) != NULL)
{
- const char *device_uri = NULL; /* device-uri value */
-
- if ((attr = ippFindAttribute(response, "device-uri", IPP_TAG_URI)) != NULL)
- {
- device_uri = attr->values[0].string.text;
- DEBUG_printf(("5cups_get_printer_uri: device-uri=\"%s\"", device_uri));
- }
-
- if (device_uri &&
- (((!strncmp(device_uri, "ipp://", 6) || !strncmp(device_uri, "ipps://", 7)) &&
- (strstr(device_uri, "/printers/") != NULL || strstr(device_uri, "/classes/") != NULL)) ||
- ((strstr(device_uri, "._ipp.") != NULL || strstr(device_uri, "._ipps.") != NULL) &&
- !strcmp(device_uri + strlen(device_uri) - 5, "/cups"))))
- {
- /*
- * Statically-configured shared printer.
- */
-
- httpSeparateURI(HTTP_URI_CODING_ALL, _httpResolveURI(device_uri, uri, sizeof(uri), _HTTP_RESOLVE_DEFAULT, NULL, NULL), scheme, sizeof(scheme), username, sizeof(username), host, hostsize, port, resource, resourcesize);
- ippDelete(response);
-
- DEBUG_printf(("5cups_get_printer_uri: Resolved to host=\"%s\", port=%d, resource=\"%s\"", host, *port, resource));
- return (1);
- }
- else if ((attr = ippFindAttribute(response, "member-uris", IPP_TAG_URI)) != NULL)
+ if ((attr = ippFindAttribute(response, "member-uris", IPP_TAG_URI)) != NULL)
{
/*
* Get the first actual printer name in the class...
return (1);
}
}
-
- /*
- * No printers in this class - try recursively looking for a printer,
- * but not more than 3 levels deep...
- */
-
- if (depth < 3)
- {
- for (i = 0; i < attr->num_values; i ++)
- {
- httpSeparateURI(HTTP_URI_CODING_ALL, attr->values[i].string.text,
- scheme, sizeof(scheme), username, sizeof(username),
- host, hostsize, port, resource, resourcesize);
- if (!strncmp(resource, "/classes/", 9))
- {
- /*
- * Found a class! Connect to the right server...
- */
-
- if (!_cups_strcasecmp(http_hostname, host) && *port == http_port)
- http2 = http;
- else if ((http2 = httpConnect2(host, *port, NULL, AF_UNSPEC, cupsEncryption(), 1, 30000, NULL)) == NULL)
- {
- DEBUG_puts("8cups_get_printer_uri: Unable to connect to server");
-
- continue;
- }
-
- /*
- * Look up printers on that server...
- */
-
- strlcpy(classname, resource + 9, sizeof(classname));
-
- cups_get_printer_uri(http2, classname, host, hostsize, port,
- resource, resourcesize, depth + 1);
-
- /*
- * Close the connection as needed...
- */
-
- if (http2 != http)
- httpClose(http2);
-
- if (*host)
- return (1);
- }
- }
- }
}
else if ((attr = ippFindAttribute(response, "printer-uri-supported", IPP_TAG_URI)) != NULL)
{