/*
- * "$Id: ipp.c 7948 2008-09-17 00:04:12Z mike $"
+ * "$Id: ipp.c 9759 2011-05-11 03:24:33Z mike $"
*
* IPP backend for CUPS.
*
* main() - Send a file to the printer or server.
* cancel_job() - Cancel a print job.
* check_printer_state() - Check the printer state.
- * compress_files() - Compress print files...
- * monitor_printer() - Monitor the printer state...
+ * compress_files() - Compress print files.
+ * monitor_printer() - Monitor the printer state.
* new_request() - Create a new print creation or validation request.
* password_cb() - Disable the password prompt for
* cupsDoFileRequest().
* report_attr() - Report an IPP attribute value.
* report_printer_state() - Report the printer state.
+ * run_as_user() - Run the IPP backend as the printing user.
* sigterm_handler() - Handle 'terminate' signals that stop the backend.
*/
*/
#include "backend-private.h"
+#include <cups/array-private.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
+#if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
+# include <xpc/xpc.h>
+# define kPMPrintUIToolAgent "com.apple.printuitool.agent"
+# define kPMStartJob 100
+# define kPMWaitForJob 101
+extern void xpc_connection_set_target_uid(xpc_connection_t connection,
+ uid_t uid);
+#endif /* HAVE_GSSAPI && HAVE_XPC */
/*
* Globals...
*/
-static const char *auth_info_required = "none";
+static int num_attr_cache = 0;
+ /* Number of cached attributes */
+static cups_option_t *attr_cache = NULL;
+ /* Cached attributes */
+static const char *auth_info_required;
/* New auth-info-required value */
+#if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
+static int child_pid = 0; /* Child process ID */
+#endif /* HAVE_GSSAPI && HAVE_XPC */
static const char * const jattrs[] = /* Job attributes we want */
{
+ "job-impressions-completed",
"job-media-sheets-completed",
"job-state",
"job-state-reasons"
};
-static int job_canceled = 0; /* Job cancelled? */
-static char *password = NULL; /* Password for device URI */
-static int password_tries = 0; /* Password tries */
+static int job_canceled = 0;
+ /* Job cancelled? */
+static char *password = NULL;
+ /* Password for device URI */
+static int password_tries = 0;
+ /* Password tries */
static const char * const pattrs[] = /* Printer attributes we want */
{
"copies-supported",
"cups-remote-aborted",
"cups-remote-completed"
};
-static char tmpfilename[1024] = ""; /* Temporary spool file name */
+static cups_array_t *state_reasons; /* Array of printe-state-reasons keywords */
+static _cups_mutex_t state_mutex = _CUPS_MUTEX_INITIALIZER;
+ /* Mutex to control access */
+static char tmpfilename[1024] = "";
+ /* Temporary spool file name */
/*
static const char *password_cb(const char *);
static void report_attr(ipp_attribute_t *attr);
static int report_printer_state(ipp_t *ipp, int job_id);
+#if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
+static int run_as_user(int argc, char *argv[], uid_t uid,
+ const char *device_uri, int fd);
+#endif /* HAVE_GSSAPI && HAVE_XPC */
static void sigterm_handler(int sig);
+static void update_reasons(ipp_attribute_t *attr, const char *s);
/*
*final_content_type, /* FINAL_CONTENT_TYPE environment var */
*document_format; /* document-format value */
int fd; /* File descriptor */
- off_t bytes; /* Bytes copied */
+ off_t bytes = 0; /* Bytes copied */
char buffer[16384]; /* Copy buffer */
#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
struct sigaction action; /* Actions for POSIX signals */
int version; /* IPP version */
ppd_file_t *ppd; /* PPD file */
_ppd_cache_t *pc; /* PPD cache and mapping data */
+ fd_set input; /* Input set for select() */
/*
return (CUPS_BACKEND_STOP);
}
+ /*
+ * Get the device URI...
+ */
+
+ while ((device_uri = cupsBackendDeviceURI(argv)) == NULL)
+ {
+ _cupsLangPrintFilter(stderr, "INFO", _("Unable to locate printer."));
+ sleep(10);
+
+ if (getenv("CLASS") != NULL)
+ return (CUPS_BACKEND_FAILED);
+ }
+
+ if ((auth_info_required = getenv("AUTH_INFO_REQUIRED")) == NULL)
+ auth_info_required = "none";
+
+ state_reasons = _cupsArrayNewStrings(getenv("PRINTER_STATE_REASONS"));
+
+#ifdef HAVE_GSSAPI
+ /*
+ * For Kerberos, become the printing user (if we can) to get the credentials
+ * that way.
+ */
+
+ if (!getuid() && (value = getenv("AUTH_UID")) != NULL)
+ {
+ uid_t uid = (uid_t)atoi(value);
+ /* User ID */
+
+# ifdef HAVE_XPC
+ if (uid > 0)
+ {
+ if (argc == 6)
+ return (run_as_user(argc, argv, uid, device_uri, 0));
+ else
+ {
+ int status = 0; /* Exit status */
+
+ for (i = 6; i < argc && !status && !job_canceled; i ++)
+ {
+ if ((fd = open(argv[i], O_RDONLY)) >= 0)
+ {
+ status = run_as_user(argc, argv, uid, device_uri, fd);
+ close(fd);
+ }
+ else
+ {
+ _cupsLangPrintError("ERROR", _("Unable to open print file"));
+ status = CUPS_BACKEND_FAILED;
+ }
+ }
+
+ return (status);
+ }
+ }
+
+# else /* No XPC, just try to run as the user ID */
+ if (uid > 0)
+ seteuid(uid);
+# endif /* HAVE_XPC */
+ }
+#endif /* HAVE_GSSAPI */
+
/*
* Get the (final) content type...
*/
* Extract the hostname and printer name from the URI...
*/
- while ((device_uri = cupsBackendDeviceURI(argv)) == NULL)
- {
- _cupsLangPrintFilter(stderr, "INFO", _("Unable to locate printer."));
- sleep(10);
-
- if (getenv("CLASS") != NULL)
- return (CUPS_BACKEND_FAILED);
- }
-
httpSeparateURI(HTTP_URI_CODING_ALL, device_uri, scheme, sizeof(scheme),
username, sizeof(username), hostname, sizeof(hostname), &port,
resource, sizeof(resource));
password = getenv("AUTH_PASSWORD");
}
-#ifdef HAVE_GSSAPI
- /*
- * For Kerberos, become the printing user (if we can) to get the credentials
- * that way.
- */
-
- if (!getuid() && (value = getenv("AUTH_UID")) != NULL)
- seteuid(atoi(value));
-#endif /* HAVE_GSSAPI */
-
/*
* Try finding the remote server...
*/
sprintf(portname, "%d", port);
- fputs("STATE: +connecting-to-device\n", stderr);
+ update_reasons(NULL, "+connecting-to-device");
fprintf(stderr, "DEBUG: Looking up \"%s\"...\n", hostname);
while ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL)
if (getenv("CLASS") != NULL)
{
- fputs("STATE: -connecting-to-device\n", stderr);
+ update_reasons(NULL, "-connecting-to-device");
return (CUPS_BACKEND_STOP);
}
}
*/
if (num_files == 0)
+ {
if (!backendWaitLoop(snmp_fd, &(addrlist->addr), 0, backendNetworkSideCB))
return (CUPS_BACKEND_OK);
+ else if ((bytes = read(0, buffer, sizeof(buffer))) <= 0)
+ return (CUPS_BACKEND_OK);
+ }
/*
* Try connecting to the remote server...
int error = errno; /* Connection error */
if (http->status == HTTP_PKI_ERROR)
- fputs("STATE: +cups-certificate-error\n", stderr);
+ update_reasons(NULL, "+cups-certificate-error");
if (job_canceled)
break;
sleep(5);
- fputs("STATE: -connecting-to-device\n", stderr);
+ update_reasons(NULL, "-connecting-to-device");
return (CUPS_BACKEND_FAILED);
}
{
_cupsLangPrintFilter(stderr, "ERROR",
_("The printer is not responding."));
- fputs("STATE: -connecting-to-device\n", stderr);
+ update_reasons(NULL, "-connecting-to-device");
return (CUPS_BACKEND_FAILED);
}
break;
}
else
- fputs("STATE: -cups-certificate-error\n", stderr);
+ update_reasons(NULL, "-cups-certificate-error");
}
while (http->fd < 0);
if (job_canceled || !http)
return (CUPS_BACKEND_FAILED);
- fputs("STATE: -connecting-to-device\n", stderr);
+ update_reasons(NULL, "-connecting-to-device");
_cupsLangPrintFilter(stderr, "INFO", _("Connected to printer."));
fprintf(stderr, "DEBUG: Connected to %s:%d...\n",
{
fprintf(stderr, "DEBUG: Printer responded with HTTP version %d.%d.\n",
http->version / 100, http->version % 100);
-
- _cupsLangPrintFilter(stderr, "ERROR",
- _("This printer does not conform to the IPP "
- "standard. Please contact the manufacturer of "
- "your printer for assistance."));
+ update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
+ "cups-ipp-wrong-http-version");
}
supported = cupsDoRequest(http, request, resource);
continue;
}
- /*
- * Check printer-state-reasons for the "spool-area-full" keyword...
- */
-
- if ((printer_state = ippFindAttribute(supported, "printer-state-reasons",
- IPP_TAG_KEYWORD)) != NULL)
+ if (!getenv("CLASS"))
{
- for (i = 0; i < printer_state->num_values; i ++)
- if (!strcmp(printer_state->values[0].string.text, "spool-area-full") ||
- !strncmp(printer_state->values[0].string.text, "spool-area-full-",
- 16))
- break;
+ /*
+ * Check printer-is-accepting-jobs = false and printer-state-reasons for the
+ * "spool-area-full" keyword...
+ */
- if (i < printer_state->num_values)
+ int busy = 0;
+
+ if ((printer_accepting = ippFindAttribute(supported,
+ "printer-is-accepting-jobs",
+ IPP_TAG_BOOLEAN)) != NULL &&
+ !printer_accepting->values[0].boolean)
+ busy = 1;
+ else if (!printer_accepting)
+ update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
+ "cups-ipp-missing-printer-is-accepting-jobs");
+
+ if ((printer_state = ippFindAttribute(supported,
+ "printer-state-reasons",
+ IPP_TAG_KEYWORD)) != NULL && !busy)
+ {
+ for (i = 0; i < printer_state->num_values; i ++)
+ if (!strcmp(printer_state->values[0].string.text,
+ "spool-area-full") ||
+ !strncmp(printer_state->values[0].string.text, "spool-area-full-",
+ 16))
+ {
+ busy = 1;
+ break;
+ }
+ }
+ else
+ update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
+ "cups-ipp-missing-printer-state-reasons");
+
+ if (busy)
{
_cupsLangPrintFilter(stderr, "INFO", _("The printer is busy."));
- report_printer_state(supported, 0);
+ report_printer_state(supported, 0);
sleep(delay);
- delay = _cupsNextDelay(delay, &prev_delay);
+ delay = _cupsNextDelay(delay, &prev_delay);
ippDelete(supported);
supported = NULL;
continue;
}
}
- else
- _cupsLangPrintFilter(stderr, "ERROR",
- _("This printer does not conform to the IPP "
- "standard. Please contact the manufacturer of "
- "your printer for assistance."));
/*
* Check for supported attributes...
if ((operations_sup = ippFindAttribute(supported, "operations-supported",
IPP_TAG_ENUM)) != NULL)
{
+ for (i = 0; i < operations_sup->num_values; i ++)
+ if (operations_sup->values[i].integer == IPP_PRINT_JOB)
+ break;
+
+ if (i >= operations_sup->num_values)
+ update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
+ "cups-ipp-missing-print-job");
+
+ for (i = 0; i < operations_sup->num_values; i ++)
+ if (operations_sup->values[i].integer == IPP_CANCEL_JOB)
+ break;
+
+ if (i >= operations_sup->num_values)
+ update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
+ "cups-ipp-missing-cancel-job");
+
+ for (i = 0; i < operations_sup->num_values; i ++)
+ if (operations_sup->values[i].integer == IPP_GET_JOB_ATTRIBUTES)
+ break;
+
+ if (i >= operations_sup->num_values)
+ update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
+ "cups-ipp-missing-get-job-attributes");
+
+ for (i = 0; i < operations_sup->num_values; i ++)
+ if (operations_sup->values[i].integer == IPP_GET_PRINTER_ATTRIBUTES)
+ break;
+
+ if (i >= operations_sup->num_values)
+ update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
+ "cups-ipp-missing-get-printer-attributes");
+
for (i = 0; i < operations_sup->num_values; i ++)
if (operations_sup->values[i].integer == IPP_VALIDATE_JOB)
{
}
if (!validate_job)
- {
- _cupsLangPrintFilter(stderr, "WARNING",
- _("This printer does not conform to the IPP "
- "standard and may not work."));
- fputs("DEBUG: operations-supported does not list Validate-Job.\n",
- stderr);
- }
+ update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
+ "cups-ipp-missing-validate-job");
}
else
- {
- _cupsLangPrintFilter(stderr, "WARNING",
- _("This printer does not conform to the IPP "
- "standard and may not work."));
- fputs("DEBUG: operations-supported not returned in "
- "Get-Printer-Attributes request.\n", stderr);
- }
+ update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
+ "cups-ipp-missing-operations-supported");
doc_handling_sup = ippFindAttribute(supported,
"multiple-document-handling-supported",
_cupsLangPrintFilter(stderr, "INFO", _("The printer is busy."));
sleep(10);
}
- else if (ipp_status == IPP_NOT_AUTHORIZED || ipp_status == IPP_FORBIDDEN)
+ else if (ipp_status == IPP_NOT_AUTHORIZED || ipp_status == IPP_FORBIDDEN ||
+ ipp_status == IPP_AUTHENTICATION_CANCELED)
{
/*
* Update auth-info-required as needed...
}
else if (ipp_status == IPP_OPERATION_NOT_SUPPORTED)
{
- _cupsLangPrintFilter(stderr, "WARNING",
- _("This printer does not conform to the IPP "
- "standard and may not work."));
+ /*
+ * This is all too common...
+ */
+
+ update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
+ "cups-ipp-missing-validate-job");
break;
}
else if (ipp_status < IPP_REDIRECTION_OTHER_SITE)
if (num_files == 1)
fd = open(files[0], O_RDONLY);
else
- fd = 0;
+ {
+ fd = 0;
+ http_status = cupsWriteRequestData(http, buffer, bytes);
+ }
- while ((bytes = read(fd, buffer, sizeof(buffer))) > 0)
+ while (http_status == HTTP_CONTINUE)
{
- fprintf(stderr, "DEBUG: Read %d bytes...\n", (int)bytes);
+ /*
+ * Check for side-channel requests and more print data...
+ */
- if (cupsWriteRequestData(http, buffer, bytes) != HTTP_CONTINUE)
- break;
- else
- {
- /*
- * Check for side-channel requests...
- */
+ FD_ZERO(&input);
+ FD_SET(fd, &input);
+ FD_SET(snmp_fd, &input);
+ while (select(fd > snmp_fd ? fd + 1 : snmp_fd + 1, &input, NULL, NULL,
+ NULL) <= 0 && !job_canceled);
+
+ if (FD_ISSET(snmp_fd, &input))
backendCheckSideChannel(snmp_fd, http->hostaddr);
+
+ if (FD_ISSET(fd, &input))
+ {
+ if ((bytes = read(fd, buffer, sizeof(buffer))) > 0)
+ {
+ fprintf(stderr, "DEBUG: Read %d bytes...\n", (int)bytes);
+
+ if (cupsWriteRequestData(http, buffer, bytes) != HTTP_CONTINUE)
+ break;
+ }
+ else if (bytes == 0 || (errno != EINTR && errno != EAGAIN))
+ break;
}
}
{
_cupsLangPrintFilter(stderr, "INFO",
_("Print file accepted - job ID unknown."));
+ update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
+ "cups-ipp-missing-job-id");
job_id = 0;
}
else
* Job has gone away and/or the server has no job history...
*/
+ update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
+ "cups-ipp-missing-job-history");
ippDelete(response);
ipp_status = IPP_OK;
* Reflect the remote job state in the local queue...
*/
- fputs("STATE: -cups-remote-pending,"
- "cups-remote-pending-held,"
- "cups-remote-processing,"
- "cups-remote-stopped,"
- "cups-remote-canceled,"
- "cups-remote-aborted,"
- "cups-remote-completed\n", stderr);
- if (job_state->values[0].integer >= IPP_JOB_PENDING &&
+ if (cups_version &&
+ job_state->values[0].integer >= IPP_JOB_PENDING &&
job_state->values[0].integer <= IPP_JOB_COMPLETED)
- fprintf(stderr, "STATE: +%s\n",
- remote_job_states[job_state->values[0].integer -
- IPP_JOB_PENDING]);
+ update_reasons(NULL,
+ remote_job_states[job_state->values[0].integer -
+ IPP_JOB_PENDING]);
+
+ if ((job_sheets = ippFindAttribute(response,
+ "job-media-sheets-completed",
+ IPP_TAG_INTEGER)) == NULL)
+ job_sheets = ippFindAttribute(response,
+ "job-impressions-completed",
+ IPP_TAG_INTEGER);
+
+ if (job_sheets)
+ fprintf(stderr, "PAGE: total %d\n",
+ job_sheets->values[0].integer);
/*
* Stop polling if the job is finished or pending-held...
if (job_state->values[0].integer > IPP_JOB_STOPPED)
{
- if ((job_sheets = ippFindAttribute(response,
- "job-media-sheets-completed",
- IPP_TAG_INTEGER)) != NULL)
- fprintf(stderr, "PAGE: total %d\n",
- job_sheets->values[0].integer);
-
ippDelete(response);
break;
}
* the job...
*/
- fputs("DEBUG: No job-state available from printer - stopping queue.\n",
- stderr);
+ update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
+ "cups-ipp-missing-job-state");
ipp_status = IPP_INTERNAL_ERROR;
break;
}
#ifdef HAVE_LIBZ
/*
- * 'compress_files()' - Compress print files...
+ * 'compress_files()' - Compress print files.
*/
static void
/*
- * 'monitor_printer()' - Monitor the printer state...
+ * 'monitor_printer()' - Monitor the printer state.
*/
static void * /* O - Thread exit code */
collate_str = "separate-documents-collated-copies";
else
collate_str = "separate-documents-uncollated-copies";
-
+
for (i = 0; i < doc_handling_sup->num_values; i ++)
if (!strcmp(doc_handling_sup->values[i].string.text, collate_str))
{
static void
report_attr(ipp_attribute_t *attr) /* I - Attribute */
{
- int i; /* Looping var */
- char value[1024], /* Value string */
- *valptr, /* Pointer into value string */
- *attrptr; /* Pointer into attribute value */
+ int i; /* Looping var */
+ char value[1024], /* Value string */
+ *valptr, /* Pointer into value string */
+ *attrptr; /* Pointer into attribute value */
+ const char *cached; /* Cached attribute */
/*
*valptr = '\0';
- /*
- * Tell the scheduler about the new values...
- */
+ if ((cached = cupsGetOption(attr->name, num_attr_cache,
+ attr_cache)) == NULL || strcmp(cached, value))
+ {
+ /*
+ * Tell the scheduler about the new values...
+ */
- fprintf(stderr, "ATTR: %s=%s\n", attr->name, value);
+ num_attr_cache = cupsAddOption(attr->name, value, num_attr_cache,
+ &attr_cache);
+ fprintf(stderr, "ATTR: %s=%s\n", attr->name, value);
+ }
}
report_printer_state(ipp_t *ipp, /* I - IPP response */
int job_id) /* I - Current job ID */
{
- int i; /* Looping var */
int count; /* Count of reasons shown... */
ipp_attribute_t *pa, /* printer-alert */
*pam, /* printer-alert-message */
*psm, /* printer-state-message */
*reasons, /* printer-state-reasons */
*marker; /* marker-* attributes */
- const char *reason; /* Current reason */
- const char *prefix; /* Prefix for STATE: line */
char value[1024], /* State/message string */
*valptr; /* Pointer into string */
static int ipp_supplies = -1;
IPP_TAG_KEYWORD)) == NULL)
return (0);
- value[0] = '\0';
- prefix = "STATE: ";
-
- for (i = 0, count = 0, valptr = value; i < reasons->num_values; i ++)
- {
- reason = reasons->values[i].string.text;
-
- if (strcmp(reason, "paused") &&
- strcmp(reason, "com.apple.print.recoverable-warning"))
- {
- strlcpy(valptr, prefix, sizeof(value) - (valptr - value) - 1);
- valptr += strlen(valptr);
- strlcpy(valptr, reason, sizeof(value) - (valptr - value) - 1);
- valptr += strlen(valptr);
-
- prefix = ",";
- }
- }
-
- if (value[0])
- {
- *valptr++ = '\n';
- *valptr = '\0';
- fputs(value, stderr);
- }
+ update_reasons(reasons, NULL);
/*
* Relay the current marker-* attribute values...
}
+#if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
+/*
+ * 'run_as_user()' - Run the IPP backend as the printing user.
+ *
+ * This function uses an XPC-based user agent to run the backend as the printing
+ * user. We need to do this in order to have access to the user's Kerberos
+ * credentials.
+ */
+
+static int /* O - Exit status */
+run_as_user(int argc, /* I - Number of command-line args */
+ char *argv[], /* I - Command-line arguments */
+ uid_t uid, /* I - User ID */
+ const char *device_uri, /* I - Device URI */
+ int fd) /* I - File to print */
+{
+ xpc_connection_t conn; /* Connection to XPC service */
+ xpc_object_t request; /* Request message dictionary */
+ __block xpc_object_t response; /* Response message dictionary */
+ dispatch_semaphore_t sem; /* Semaphore for waiting for response */
+ int status = CUPS_BACKEND_FAILED;
+ /* Status of request */
+
+
+ fprintf(stderr, "DEBUG: Running IPP backend as UID %d.\n", (int)uid);
+
+ /*
+ * Connect to the user agent for the specified UID...
+ */
+
+ conn = xpc_connection_create_mach_service(kPMPrintUIToolAgent,
+ dispatch_get_global_queue(0, 0), 0);
+ if (!conn)
+ {
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Unable to start backend process."));
+ fputs("DEBUG: Unable to create connection to agent.\n", stderr);
+ goto cleanup;
+ }
+
+ xpc_connection_set_event_handler(conn,
+ ^(xpc_object_t event)
+ {
+ xpc_type_t messageType = xpc_get_type(event);
+
+ if (messageType == XPC_TYPE_ERROR)
+ {
+ if (event == XPC_ERROR_CONNECTION_INTERRUPTED)
+ fprintf(stderr, "DEBUG: Interrupted connection to service %s.\n",
+ xpc_connection_get_name(conn));
+ else if (event == XPC_ERROR_CONNECTION_INVALID)
+ fprintf(stderr, "DEBUG: Connection invalid for service %s.\n",
+ xpc_connection_get_name(conn));
+ else
+ fprintf(stderr, "DEBUG: Unxpected error for service %s: %s\n",
+ xpc_connection_get_name(conn),
+ xpc_dictionary_get_string(event, XPC_ERROR_KEY_DESCRIPTION));
+ }
+ });
+ xpc_connection_set_target_uid(conn, uid);
+ xpc_connection_resume(conn);
+
+ /*
+ * Try starting the backend...
+ */
+
+ request = xpc_dictionary_create(NULL, NULL, 0);
+ xpc_dictionary_set_int64(request, "command", kPMStartJob);
+ xpc_dictionary_set_string(request, "device-uri", device_uri);
+ xpc_dictionary_set_string(request, "job-id", argv[1]);
+ xpc_dictionary_set_string(request, "user", argv[2]);
+ xpc_dictionary_set_string(request, "title", argv[3]);
+ xpc_dictionary_set_string(request, "copies", argv[4]);
+ xpc_dictionary_set_string(request, "options", argv[5]);
+ xpc_dictionary_set_string(request, "auth-info-required",
+ getenv("AUTH_INFO_REQUIRED"));
+ xpc_dictionary_set_fd(request, "stdin", fd);
+ xpc_dictionary_set_fd(request, "stderr", 2);
+ xpc_dictionary_set_fd(request, "side-channel", CUPS_SC_FD);
+
+ sem = dispatch_semaphore_create(0);
+ response = NULL;
+
+ xpc_connection_send_message_with_reply(conn, request,
+ dispatch_get_global_queue(0,0),
+ ^(xpc_object_t reply)
+ {
+ /* Save the response and wake up */
+ if (xpc_get_type(reply)
+ == XPC_TYPE_DICTIONARY)
+ response = xpc_retain(reply);
+
+ dispatch_semaphore_signal(sem);
+ });
+
+ dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
+ xpc_release(request);
+ dispatch_release(sem);
+
+ if (response)
+ {
+ child_pid = xpc_dictionary_get_int64(response, "child-pid");
+
+ xpc_release(response);
+
+ if (child_pid)
+ fprintf(stderr, "DEBUG: Child PID=%d.\n", child_pid);
+ else
+ {
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Unable to start backend process."));
+ fputs("DEBUG: No child PID.\n", stderr);
+ goto cleanup;
+ }
+ }
+ else
+ {
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Unable to start backend process."));
+ fputs("DEBUG: No reply from agent.\n", stderr);
+ goto cleanup;
+ }
+
+ /*
+ * Then wait for the backend to finish...
+ */
+
+ request = xpc_dictionary_create(NULL, NULL, 0);
+ xpc_dictionary_set_int64(request, "command", kPMWaitForJob);
+ xpc_dictionary_set_fd(request, "stderr", 2);
+
+ sem = dispatch_semaphore_create(0);
+ response = NULL;
+
+ xpc_connection_send_message_with_reply(conn, request,
+ dispatch_get_global_queue(0,0),
+ ^(xpc_object_t reply)
+ {
+ /* Save the response and wake up */
+ if (xpc_get_type(reply)
+ == XPC_TYPE_DICTIONARY)
+ response = xpc_retain(reply);
+
+ dispatch_semaphore_signal(sem);
+ });
+
+ dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
+ xpc_release(request);
+ dispatch_release(sem);
+
+ if (response)
+ {
+ status = xpc_dictionary_get_int64(response, "status");
+
+ if (status == SIGTERM || status == SIGKILL || status == SIGPIPE)
+ {
+ fprintf(stderr, "DEBUG: Child terminated on signal %d.\n", status);
+ status = CUPS_BACKEND_FAILED;
+ }
+ else if (WIFSIGNALED(status))
+ {
+ fprintf(stderr, "DEBUG: Child crashed on signal %d.\n", status);
+ status = CUPS_BACKEND_STOP;
+ }
+ else if (WIFEXITED(status))
+ {
+ status = WEXITSTATUS(status);
+ fprintf(stderr, "DEBUG: Child exited with status %d.\n", status);
+ }
+
+ xpc_release(response);
+ }
+ else
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Unable to get backend exit status."));
+
+ cleanup:
+
+ if (conn)
+ {
+ xpc_connection_suspend(conn);
+ xpc_connection_cancel(conn);
+ xpc_release(conn);
+ }
+
+ return (status);
+}
+#endif /* HAVE_GSSAPI && HAVE_XPC */
+
+
/*
* 'sigterm_handler()' - Handle 'terminate' signals that stop the backend.
*/
{
(void)sig; /* remove compiler warnings... */
+#if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
+ if (child_pid)
+ {
+ kill(child_pid, sig);
+ child_pid = 0;
+ }
+#endif /* HAVE_GSSAPI && HAVE_XPC */
+
if (!job_canceled)
{
/*
- * Flag that the job should be cancelled...
+ * Flag that the job should be canceled...
*/
job_canceled = 1;
/*
* The scheduler already tried to cancel us once, now just terminate
- * after removing our temp files!
+ * after removing our temp file!
*/
if (tmpfilename[0])
/*
- * End of "$Id: ipp.c 7948 2008-09-17 00:04:12Z mike $".
+ * 'update_reasons()' - Update the printer-state-reasons values.
+ */
+
+static void
+update_reasons(ipp_attribute_t *attr, /* I - printer-state-reasons or NULL */
+ const char *s) /* I - STATE: string or NULL */
+{
+ char op; /* Add (+), remove (-), replace (\0) */
+ cups_array_t *new_reasons; /* New reasons array */
+ char *reason, /* Current reason */
+ add[2048], /* Reasons added string */
+ *addptr, /* Pointer into add string */
+ rem[2048], /* Reasons removed string */
+ *remptr; /* Pointer into remove string */
+ const char *addprefix, /* Current add string prefix */
+ *remprefix; /* Current remove string prefix */
+
+
+ fprintf(stderr, "DEBUG: update_reasons(attr=%d(%s%s), s=\"%s\")\n",
+ attr ? attr->num_values : 0, attr ? attr->values[0].string.text : "",
+ attr && attr->num_values > 1 ? ",..." : "", s ? s : "(null)");
+
+ /*
+ * Create an array of new reason keyword strings...
+ */
+
+ if (attr)
+ {
+ int i; /* Looping var */
+
+ new_reasons = cupsArrayNew((cups_array_func_t)strcmp, NULL);
+ op = '\0';
+
+ for (i = 0; i < attr->num_values; i ++)
+ {
+ reason = attr->values[i].string.text;
+
+ if (strcmp(reason, "none") &&
+ strcmp(reason, "none-report") &&
+ strcmp(reason, "paused") &&
+ strcmp(reason, "com.apple.print.recoverable-warning") &&
+ strncmp(reason, "cups-", 5))
+ cupsArrayAdd(new_reasons, reason);
+ }
+ }
+ else if (s)
+ {
+ if (*s == '+' || *s == '-')
+ op = *s++;
+ else
+ op = '\0';
+
+ new_reasons = _cupsArrayNewStrings(s);
+ }
+ else
+ return;
+
+ /*
+ * Compute the changes...
+ */
+
+ add[0] = '\0';
+ addprefix = "STATE: +";
+ addptr = add;
+ rem[0] = '\0';
+ remprefix = "STATE: -";
+ remptr = rem;
+
+ fprintf(stderr, "DEBUG2: op='%c', new_reasons=%d, state_reasons=%d\n",
+ op ? op : ' ', cupsArrayCount(new_reasons),
+ cupsArrayCount(state_reasons));
+
+ _cupsMutexLock(&state_mutex);
+
+ if (op == '+')
+ {
+ /*
+ * Add reasons...
+ */
+
+ for (reason = (char *)cupsArrayFirst(new_reasons);
+ reason;
+ reason = (char *)cupsArrayNext(new_reasons))
+ {
+ if (!cupsArrayFind(state_reasons, reason))
+ {
+ if (!strncmp(reason, "cups-remote-", 12))
+ {
+ /*
+ * If we are setting cups-remote-xxx, remove all other cups-remote-xxx
+ * keywords...
+ */
+
+ char *temp; /* Current reason in state_reasons */
+
+ cupsArraySave(state_reasons);
+
+ for (temp = (char *)cupsArrayFirst(state_reasons);
+ temp;
+ temp = (char *)cupsArrayNext(state_reasons))
+ if (!strncmp(temp, "cups-remote-", 12))
+ {
+ snprintf(remptr, sizeof(rem) - (remptr - rem), "%s%s", remprefix,
+ temp);
+ remptr += strlen(remptr);
+ remprefix = ",";
+
+ cupsArrayRemove(state_reasons, temp);
+ break;
+ }
+
+ cupsArrayRestore(state_reasons);
+ }
+
+ cupsArrayAdd(state_reasons, reason);
+
+ snprintf(addptr, sizeof(add) - (addptr - add), "%s%s", addprefix,
+ reason);
+ addptr += strlen(addptr);
+ addprefix = ",";
+ }
+ }
+ }
+ else if (op == '-')
+ {
+ /*
+ * Remove reasons...
+ */
+
+ for (reason = (char *)cupsArrayFirst(new_reasons);
+ reason;
+ reason = (char *)cupsArrayNext(new_reasons))
+ {
+ if (cupsArrayFind(state_reasons, reason))
+ {
+ snprintf(remptr, sizeof(rem) - (remptr - rem), "%s%s", remprefix,
+ reason);
+ remptr += strlen(remptr);
+ remprefix = ",";
+
+ cupsArrayRemove(state_reasons, reason);
+ }
+ }
+ }
+ else
+ {
+ /*
+ * Replace reasons...
+ */
+
+ for (reason = (char *)cupsArrayFirst(state_reasons);
+ reason;
+ reason = (char *)cupsArrayNext(state_reasons))
+ {
+ if (strncmp(reason, "cups-", 5) && !cupsArrayFind(new_reasons, reason))
+ {
+ snprintf(remptr, sizeof(rem) - (remptr - rem), "%s%s", remprefix,
+ reason);
+ remptr += strlen(remptr);
+ remprefix = ",";
+
+ cupsArrayRemove(state_reasons, reason);
+ }
+ }
+
+ for (reason = (char *)cupsArrayFirst(new_reasons);
+ reason;
+ reason = (char *)cupsArrayNext(new_reasons))
+ {
+ if (!cupsArrayFind(state_reasons, reason))
+ {
+ cupsArrayAdd(state_reasons, reason);
+
+ snprintf(addptr, sizeof(add) - (addptr - add), "%s%s", addprefix,
+ reason);
+ addptr += strlen(addptr);
+ addprefix = ",";
+ }
+ }
+ }
+
+ _cupsMutexUnlock(&state_mutex);
+
+ /*
+ * Report changes and return...
+ */
+
+ if (add[0] && rem[0])
+ fprintf(stderr, "%s\n%s\n", add, rem);
+ else if (add[0])
+ fprintf(stderr, "%s\n", add);
+ else if (rem[0])
+ fprintf(stderr, "%s\n", rem);
+}
+
+/*
+ * End of "$Id: ipp.c 9759 2011-05-11 03:24:33Z mike $".
*/
projects / thirdparty / cups.git / blobdiff