#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
typedef struct _cups_monitor_s
{
const char *uri,
*hostname,
*user,
*resource;
int port,
version,
job_id,
get_job_attrs;
const char *job_name;
http_encryption_t encryption;
ipp_jstate_t job_state;
ipp_pstate_t printer_state;
} _cups_monitor_t;
static const char *auth_info_required;
#if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
static int child_pid = 0;
#endif
static const char * const jattrs[] =
{
"job-impressions-completed",
"job-media-sheets-completed",
"job-name",
"job-originating-user-name",
"job-state",
"job-state-reasons"
};
static int job_canceled = 0;
static char username[256] = "",
*password = NULL;
static int password_tries = 0;
static const char * const pattrs[] =
{
"copies-supported",
"cups-version",
"document-format-supported",
"marker-colors",
"marker-high-levels",
"marker-levels",
"marker-low-levels",
"marker-message",
"marker-names",
"marker-types",
"media-col-supported",
"multiple-document-handling-supported",
"operations-supported",
"printer-alert",
"printer-alert-description",
"printer-is-accepting-jobs",
"printer-state",
"printer-state-message",
"printer-state-reasons"
};
static const char * const remote_job_states[] =
{
"+cups-remote-pending",
"+cups-remote-pending-held",
"+cups-remote-processing",
"+cups-remote-stopped",
"+cups-remote-canceled",
"+cups-remote-aborted",
"+cups-remote-completed"
};
static _cups_mutex_t report_mutex = _CUPS_MUTEX_INITIALIZER;
static int num_attr_cache = 0;
static cups_option_t *attr_cache = NULL;
static cups_array_t *state_reasons;
static char tmpfilename[1024] = "";
static void cancel_job(http_t *http, const char *uri, int id,
const char *resource, const char *user,
int version);
static ipp_pstate_t check_printer_state(http_t *http, const char *uri,
const char *resource,
const char *user, int version);
#ifdef HAVE_LIBZ
static void compress_files(int num_files, char **files);
#endif
static void *monitor_printer(_cups_monitor_t *monitor);
static ipp_t *new_request(ipp_op_t op, int version, const char *uri,
const char *user, const char *title,
int num_options, cups_option_t *options,
const char *compression, int copies,
const char *format, _ppd_cache_t *pc,
ipp_attribute_t *media_col_sup,
ipp_attribute_t *doc_handling_sup);
static const char *password_cb(const char *);
static void report_attr(ipp_attribute_t *attr);
static void report_printer_state(ipp_t *ipp);
#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
static void sigterm_handler(int sig);
static int timeout_cb(http_t *http, void *user_data);
static void update_reasons(ipp_attribute_t *attr, const char *s);
int
main(int argc,
char *argv[])
{
int i;
int send_options;
int num_options;
cups_option_t *options;
const char *device_uri;
char scheme[255],
hostname[1024],
resource[1024],
addrname[256],
*optptr,
*name,
*value,
sep;
http_addrlist_t *addrlist;
int snmp_fd,
start_count,
page_count,
have_supplies;
int num_files;
char **files,
*compatfile = NULL;
off_t compatsize = 0;
int port;
char portname[255];
char uri[HTTP_MAX_URI];
char print_job_name[1024];
http_status_t http_status;
ipp_status_t ipp_status;
http_t *http;
ipp_t *request,
*response,
*supported;
time_t start_time;
int contimeout;
int delay,
prev_delay;
const char *compression;
int waitjob,
waitprinter;
_cups_monitor_t monitor;
ipp_attribute_t *job_id_attr;
int job_id;
ipp_attribute_t *job_sheets;
ipp_attribute_t *job_state;
ipp_attribute_t *copies_sup;
ipp_attribute_t *cups_version;
ipp_attribute_t *format_sup;
ipp_attribute_t *media_col_sup;
ipp_attribute_t *operations_sup;
ipp_attribute_t *doc_handling_sup;
ipp_attribute_t *printer_state;
ipp_attribute_t *printer_accepting;
int create_job = 0,
get_job_attrs = 0,
send_document = 0,
validate_job = 0;
int copies,
copies_remaining;
const char *content_type,
*final_content_type,
*document_format;
int fd;
off_t bytes = 0;
char buffer[16384];
#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
struct sigaction action;
#endif
int version;
ppd_file_t *ppd;
_ppd_cache_t *pc;
fd_set input;
setbuf(stderr, NULL);
#ifdef HAVE_SIGSET
sigset(SIGPIPE, SIG_IGN);
sigset(SIGTERM, sigterm_handler);
#elif defined(HAVE_SIGACTION)
memset(&action, 0, sizeof(action));
action.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &action, NULL);
sigemptyset(&action.sa_mask);
sigaddset(&action.sa_mask, SIGTERM);
action.sa_handler = sigterm_handler;
sigaction(SIGTERM, &action, NULL);
#else
signal(SIGPIPE, SIG_IGN);
signal(SIGTERM, sigterm_handler);
#endif
if (argc == 1)
{
char *s;
if ((s = strrchr(argv[0], '/')) != NULL)
s ++;
else
s = argv[0];
printf("network %s \"Unknown\" \"%s (%s)\"\n",
s, _cupsLangString(cupsLangDefault(),
_("Internet Printing Protocol")), s);
return (CUPS_BACKEND_OK);
}
else if (argc < 6)
{
_cupsLangPrintf(stderr,
_("Usage: %s job-id user title copies options [file]"),
argv[0]);
return (CUPS_BACKEND_STOP);
}
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
if (!getuid() && (value = getenv("AUTH_UID")) != NULL)
{
uid_t uid = (uid_t)atoi(value);
# ifdef HAVE_XPC
if (uid > 0)
{
if (argc == 6)
return (run_as_user(argc, argv, uid, device_uri, 0));
else
{
int status = 0;
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
if (uid > 0)
seteuid(uid);
# endif
}
#endif
if ((content_type = getenv("CONTENT_TYPE")) == NULL)
content_type = "application/octet-stream";
if ((final_content_type = getenv("FINAL_CONTENT_TYPE")) == NULL)
{
final_content_type = content_type;
if (!strncmp(final_content_type, "printer/", 8))
final_content_type = "application/vnd.cups-raw";
}
httpSeparateURI(HTTP_URI_CODING_ALL, device_uri, scheme, sizeof(scheme),
username, sizeof(username), hostname, sizeof(hostname), &port,
resource, sizeof(resource));
if (!port)
port = IPP_PORT;
if (!strcmp(scheme, "https"))
cupsSetEncryption(HTTP_ENCRYPT_ALWAYS);
else
cupsSetEncryption(HTTP_ENCRYPT_IF_REQUESTED);
compression = NULL;
version = 20;
waitjob = 1;
waitprinter = 1;
contimeout = 7 * 24 * 60 * 60;
if ((optptr = strchr(resource, '?')) != NULL)
{
*optptr++ = '\0';
while (*optptr)
{
name = optptr;
while (*optptr && *optptr != '=' && *optptr != '+' && *optptr != '&')
optptr ++;
if ((sep = *optptr) != '\0')
*optptr++ = '\0';
if (sep == '=')
{
value = optptr;
while (*optptr && *optptr != '+' && *optptr != '&')
optptr ++;
if (*optptr)
*optptr++ = '\0';
}
else
value = (char *)"";
if (!_cups_strcasecmp(name, "waitjob"))
{
waitjob = !_cups_strcasecmp(value, "on") ||
!_cups_strcasecmp(value, "yes") ||
!_cups_strcasecmp(value, "true");
}
else if (!_cups_strcasecmp(name, "waitprinter"))
{
waitprinter = !_cups_strcasecmp(value, "on") ||
!_cups_strcasecmp(value, "yes") ||
!_cups_strcasecmp(value, "true");
}
else if (!_cups_strcasecmp(name, "encryption"))
{
if (!_cups_strcasecmp(value, "always"))
cupsSetEncryption(HTTP_ENCRYPT_ALWAYS);
else if (!_cups_strcasecmp(value, "required"))
cupsSetEncryption(HTTP_ENCRYPT_REQUIRED);
else if (!_cups_strcasecmp(value, "never"))
cupsSetEncryption(HTTP_ENCRYPT_NEVER);
else if (!_cups_strcasecmp(value, "ifrequested"))
cupsSetEncryption(HTTP_ENCRYPT_IF_REQUESTED);
else
{
_cupsLangPrintFilter(stderr, "ERROR",
_("Unknown encryption option value: \"%s\"."),
value);
}
}
else if (!_cups_strcasecmp(name, "version"))
{
if (!strcmp(value, "1.0"))
version = 10;
else if (!strcmp(value, "1.1"))
version = 11;
else if (!strcmp(value, "2.0"))
version = 20;
else if (!strcmp(value, "2.1"))
version = 21;
else if (!strcmp(value, "2.2"))
version = 22;
else
{
_cupsLangPrintFilter(stderr, "ERROR",
_("Unknown version option value: \"%s\"."),
value);
}
}
#ifdef HAVE_LIBZ
else if (!_cups_strcasecmp(name, "compression"))
{
if (!_cups_strcasecmp(value, "true") || !_cups_strcasecmp(value, "yes") ||
!_cups_strcasecmp(value, "on") || !_cups_strcasecmp(value, "gzip"))
compression = "gzip";
}
#endif
else if (!_cups_strcasecmp(name, "contimeout"))
{
if (atoi(value) > 0)
contimeout = atoi(value);
}
else
{
_cupsLangPrintFilter(stderr, "ERROR",
_("Unknown option \"%s\" with value \"%s\"."),
name, value);
}
}
}
if (argc == 6)
{
num_files = 0;
files = NULL;
send_options = !_cups_strcasecmp(final_content_type, "application/pdf") ||
!_cups_strcasecmp(final_content_type, "application/vnd.cups-pdf") ||
!_cups_strncasecmp(final_content_type, "image/", 6);
fputs("DEBUG: Sending stdin for job...\n", stderr);
}
else
{
num_files = argc - 6;
files = argv + 6;
send_options = 1;
#ifdef HAVE_LIBZ
if (compression)
compress_files(num_files, files);
#endif
fprintf(stderr, "DEBUG: %d files to send in job...\n", num_files);
}
cupsSetPasswordCB(password_cb);
if (username[0])
{
if ((password = strchr(username, ':')) != NULL)
*password++ = '\0';
cupsSetUser(username);
}
else
{
const char *ptr = getenv("AUTH_USERNAME");
if (ptr)
{
strlcpy(username, ptr, sizeof(username));
cupsSetUser(ptr);
}
password = getenv("AUTH_PASSWORD");
}
start_time = time(NULL);
sprintf(portname, "%d", port);
update_reasons(NULL, "+connecting-to-device");
fprintf(stderr, "DEBUG: Looking up \"%s\"...\n", hostname);
while ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL)
{
_cupsLangPrintFilter(stderr, "INFO",
_("Unable to locate printer \"%s\"."), hostname);
sleep(10);
if (getenv("CLASS") != NULL)
{
update_reasons(NULL, "-connecting-to-device");
return (CUPS_BACKEND_STOP);
}
}
http = _httpCreate(hostname, port, addrlist, cupsEncryption(), AF_UNSPEC);
httpSetTimeout(http, 30.0, timeout_cb, NULL);
if ((snmp_fd = _cupsSNMPOpen(addrlist->addr.addr.sa_family)) >= 0)
{
have_supplies = !backendSNMPSupplies(snmp_fd, &(addrlist->addr),
&start_count, NULL);
}
else
have_supplies = start_count = 0;
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);
}
delay = _cupsNextDelay(0, &prev_delay);
do
{
fprintf(stderr, "DEBUG: Connecting to %s:%d\n", hostname, port);
_cupsLangPrintFilter(stderr, "INFO", _("Connecting to printer."));
if (httpReconnect(http))
{
int error = errno;
if (http->status == HTTP_PKI_ERROR)
update_reasons(NULL, "+cups-certificate-error");
if (job_canceled)
break;
if (getenv("CLASS") != NULL)
{
_cupsLangPrintFilter(stderr, "INFO",
_("Unable to contact printer, queuing on next "
"printer in class."));
sleep(5);
update_reasons(NULL, "-connecting-to-device");
return (CUPS_BACKEND_FAILED);
}
fprintf(stderr, "DEBUG: Connection error: %s\n", strerror(errno));
if (errno == ECONNREFUSED || errno == EHOSTDOWN ||
errno == EHOSTUNREACH)
{
if (contimeout && (time(NULL) - start_time) > contimeout)
{
_cupsLangPrintFilter(stderr, "ERROR",
_("The printer is not responding."));
update_reasons(NULL, "-connecting-to-device");
return (CUPS_BACKEND_FAILED);
}
switch (error)
{
case EHOSTDOWN :
_cupsLangPrintFilter(stderr, "WARNING",
_("The printer may not exist or "
"is unavailable at this time."));
break;
case EHOSTUNREACH :
_cupsLangPrintFilter(stderr, "WARNING",
_("The printer is unreachable at this "
"time."));
break;
case ECONNREFUSED :
default :
_cupsLangPrintFilter(stderr, "WARNING",
_("The printer is busy."));
break;
}
sleep(delay);
delay = _cupsNextDelay(delay, &prev_delay);
}
else
{
_cupsLangPrintFilter(stderr, "ERROR",
_("The printer is not responding."));
sleep(30);
}
if (job_canceled)
break;
}
else
update_reasons(NULL, "-cups-certificate-error");
}
while (http->fd < 0);
if (job_canceled || !http)
return (CUPS_BACKEND_FAILED);
update_reasons(NULL, "-connecting-to-device");
_cupsLangPrintFilter(stderr, "INFO", _("Connected to printer."));
fprintf(stderr, "DEBUG: Connected to %s:%d...\n",
httpAddrString(http->hostaddr, addrname, sizeof(addrname)),
_httpAddrPort(http->hostaddr));
httpAssembleURI(HTTP_URI_CODING_ALL, uri, sizeof(uri), scheme, NULL, hostname,
port, resource);
copies_sup = NULL;
cups_version = NULL;
format_sup = NULL;
media_col_sup = NULL;
supported = NULL;
operations_sup = NULL;
doc_handling_sup = NULL;
do
{
backendCheckSideChannel(snmp_fd, http->hostaddr);
request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES);
request->request.op.version[0] = version / 10;
request->request.op.version[1] = version % 10;
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
NULL, uri);
ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]),
NULL, pattrs);
fputs("DEBUG: Getting supported attributes...\n", stderr);
if (http->version < HTTP_1_1)
{
fprintf(stderr, "DEBUG: Printer responded with HTTP version %d.%d.\n",
http->version / 100, http->version % 100);
update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
"cups-ipp-wrong-http-version");
}
supported = cupsDoRequest(http, request, resource);
ipp_status = cupsLastError();
fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n",
ippErrorString(ipp_status), cupsLastErrorString());
if (ipp_status <= IPP_OK_CONFLICT)
password_tries = 0;
else
{
fprintf(stderr, "DEBUG: Get-Printer-Attributes returned %s.\n",
ippErrorString(ipp_status));
if (ipp_status == IPP_PRINTER_BUSY ||
ipp_status == IPP_SERVICE_UNAVAILABLE)
{
if (contimeout && (time(NULL) - start_time) > contimeout)
{
_cupsLangPrintFilter(stderr, "ERROR",
_("The printer is not responding."));
return (CUPS_BACKEND_FAILED);
}
_cupsLangPrintFilter(stderr, "INFO", _("The printer is busy."));
report_printer_state(supported);
sleep(delay);
delay = _cupsNextDelay(delay, &prev_delay);
}
else if ((ipp_status == IPP_BAD_REQUEST ||
ipp_status == IPP_VERSION_NOT_SUPPORTED) && version > 10)
{
if (version >= 20)
{
_cupsLangPrintFilter(stderr, "INFO",
_("Printer does not support IPP/%d.%d, trying "
"IPP/%s."), version / 10, version % 10, "1.1");
version = 11;
}
else
{
_cupsLangPrintFilter(stderr, "INFO",
_("Printer does not support IPP/%d.%d, trying "
"IPP/%s."), version / 10, version % 10, "1.0");
version = 10;
}
httpReconnect(http);
}
else if (ipp_status == IPP_NOT_FOUND)
{
_cupsLangPrintFilter(stderr, "ERROR",
_("The printer URI is incorrect or no longer "
"exists."));
ippDelete(supported);
return (CUPS_BACKEND_STOP);
}
else if (ipp_status == IPP_FORBIDDEN ||
ipp_status == IPP_AUTHENTICATION_CANCELED)
{
const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
if (!strncmp(www_auth, "Negotiate", 9))
auth_info_required = "negotiate";
else if (www_auth[0])
auth_info_required = "username,password";
fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required);
return (CUPS_BACKEND_AUTH_REQUIRED);
}
else if (ipp_status != IPP_NOT_AUTHORIZED)
{
_cupsLangPrintFilter(stderr, "ERROR",
_("Unable to get printer status."));
sleep(10);
}
ippDelete(supported);
supported = NULL;
continue;
}
if (!getenv("CLASS"))
{
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);
sleep(delay);
delay = _cupsNextDelay(delay, &prev_delay);
ippDelete(supported);
supported = NULL;
continue;
}
}
if ((copies_sup = ippFindAttribute(supported, "copies-supported",
IPP_TAG_RANGE)) != NULL)
{
fprintf(stderr, "DEBUG: copies-supported=%d-%d\n",
copies_sup->values[0].range.lower,
copies_sup->values[0].range.upper);
if (copies_sup->values[0].range.upper <= 1)
copies_sup = NULL;
}
cups_version = ippFindAttribute(supported, "cups-version", IPP_TAG_TEXT);
if ((format_sup = ippFindAttribute(supported, "document-format-supported",
IPP_TAG_MIMETYPE)) != NULL)
{
fprintf(stderr, "DEBUG: document-format-supported (%d values)\n",
format_sup->num_values);
for (i = 0; i < format_sup->num_values; i ++)
fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i,
format_sup->values[i].string.text);
}
if ((media_col_sup = ippFindAttribute(supported, "media-col-supported",
IPP_TAG_KEYWORD)) != NULL)
{
fprintf(stderr, "DEBUG: media-col-supported (%d values)\n",
media_col_sup->num_values);
for (i = 0; i < media_col_sup->num_values; i ++)
fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i,
media_col_sup->values[i].string.text);
}
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)
validate_job = 1;
else if (operations_sup->values[i].integer == IPP_CREATE_JOB)
create_job = 1;
else if (operations_sup->values[i].integer == IPP_SEND_DOCUMENT)
send_document = 1;
else if (operations_sup->values[i].integer == IPP_GET_JOB_ATTRIBUTES)
get_job_attrs = 1;
}
if (!send_document)
{
fputs("DEBUG: Printer supports Create-Job but not Send-Document.\n",
stderr);
create_job = 0;
}
if (!validate_job)
update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
"cups-ipp-missing-validate-job");
}
else
update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
"cups-ipp-missing-operations-supported");
doc_handling_sup = ippFindAttribute(supported,
"multiple-document-handling-supported",
IPP_TAG_KEYWORD);
report_printer_state(supported);
}
while (ipp_status > IPP_OK_CONFLICT);
if (getenv("CLASS") != NULL)
{
printer_state = ippFindAttribute(supported, "printer-state",
IPP_TAG_ENUM);
printer_accepting = ippFindAttribute(supported, "printer-is-accepting-jobs",
IPP_TAG_BOOLEAN);
if (printer_state == NULL ||
(printer_state->values[0].integer > IPP_PRINTER_PROCESSING &&
waitprinter) ||
printer_accepting == NULL ||
!printer_accepting->values[0].boolean)
{
_cupsLangPrintFilter(stderr, "INFO",
_("Unable to contact printer, queuing on next "
"printer in class."));
ippDelete(supported);
httpClose(http);
sleep(5);
return (CUPS_BACKEND_FAILED);
}
}
copies = atoi(argv[4]);
if (copies_sup || argc < 7)
{
copies_remaining = 1;
if (argc < 7 && !_cups_strncasecmp(final_content_type, "image/", 6))
copies = 1;
}
else
copies_remaining = copies;
options = NULL;
pc = NULL;
if (send_options)
{
num_options = cupsParseOptions(argv[5], 0, &options);
if (!cups_version && media_col_sup)
{
ppd = ppdOpenFile(getenv("PPD"));
pc = _ppdCacheCreateWithPPD(ppd);
ppdClose(ppd);
}
}
else
num_options = 0;
document_format = NULL;
if (format_sup != NULL)
{
for (i = 0; i < format_sup->num_values; i ++)
if (!_cups_strcasecmp(final_content_type,
format_sup->values[i].string.text))
{
document_format = final_content_type;
break;
}
if (!document_format)
{
for (i = 0; i < format_sup->num_values; i ++)
if (!_cups_strcasecmp("application/octet-stream",
format_sup->values[i].string.text))
{
document_format = "application/octet-stream";
break;
}
}
}
fprintf(stderr, "DEBUG: final_content_type=\"%s\", document_format=\"%s\"\n",
final_content_type, document_format ? document_format : "(null)");
if (http->version < HTTP_1_1 && num_files == 0)
{
if ((fd = cupsTempFd(tmpfilename, sizeof(tmpfilename))) < 0)
{
perror("DEBUG: Unable to create temporary file");
return (CUPS_BACKEND_FAILED);
}
_cupsLangPrintFilter(stderr, "INFO", _("Copying print data."));
if ((compatsize = write(fd, buffer, bytes)) < 0)
{
perror("DEBUG: Unable to write temporary file");
return (CUPS_BACKEND_FAILED);
}
if ((bytes = backendRunLoop(-1, fd, snmp_fd, &(addrlist->addr), 0, 0,
backendNetworkSideCB)) < 0)
return (CUPS_BACKEND_FAILED);
compatsize += bytes;
close(fd);
compatfile = tmpfilename;
files = &compatfile;
num_files = 1;
}
else if (http->version < HTTP_1_1 && num_files == 1)
{
struct stat fileinfo;
if (!stat(files[0], &fileinfo))
compatsize = fileinfo.st_size;
}
monitor.uri = uri;
monitor.hostname = hostname;
monitor.user = argv[2];
monitor.resource = resource;
monitor.port = port;
monitor.version = version;
monitor.job_id = 0;
monitor.get_job_attrs = get_job_attrs;
monitor.encryption = cupsEncryption();
monitor.job_state = IPP_JOB_PENDING;
monitor.printer_state = IPP_PRINTER_IDLE;
if (create_job)
{
monitor.job_name = argv[3];
}
else
{
snprintf(print_job_name, sizeof(print_job_name), "%s - %s", argv[1],
argv[3]);
monitor.job_name = print_job_name;
}
_cupsThreadCreate((_cups_thread_func_t)monitor_printer, &monitor);
while (!job_canceled && validate_job)
{
request = new_request(IPP_VALIDATE_JOB, version, uri, argv[2],
monitor.job_name, num_options, options, compression,
copies_sup ? copies : 1, document_format, pc,
media_col_sup, doc_handling_sup);
ippDelete(cupsDoRequest(http, request, resource));
ipp_status = cupsLastError();
fprintf(stderr, "DEBUG: Validate-Job: %s (%s)\n",
ippErrorString(ipp_status), cupsLastErrorString());
if (job_canceled)
break;
if (ipp_status == IPP_SERVICE_UNAVAILABLE || ipp_status == IPP_PRINTER_BUSY)
{
_cupsLangPrintFilter(stderr, "INFO", _("The printer is busy."));
sleep(10);
}
else if (ipp_status == IPP_DOCUMENT_FORMAT)
goto cleanup;
else if (ipp_status == IPP_FORBIDDEN ||
ipp_status == IPP_AUTHENTICATION_CANCELED)
{
const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
if (!strncmp(www_auth, "Negotiate", 9))
auth_info_required = "negotiate";
else if (www_auth[0])
auth_info_required = "username,password";
goto cleanup;
}
else if (ipp_status == IPP_OPERATION_NOT_SUPPORTED)
{
update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
"cups-ipp-missing-validate-job");
break;
}
else if (ipp_status < IPP_REDIRECTION_OTHER_SITE ||
ipp_status == IPP_BAD_REQUEST)
break;
}
job_id = 0;
while (!job_canceled && copies_remaining > 0)
{
backendCheckSideChannel(snmp_fd, http->hostaddr);
if (job_canceled)
break;
request = new_request((num_files > 1 || create_job) ? IPP_CREATE_JOB :
IPP_PRINT_JOB,
version, uri, argv[2], monitor.job_name, num_options,
options, compression, copies_sup ? copies : 1,
document_format, pc, media_col_sup, doc_handling_sup);
if (num_files > 1 || create_job)
response = cupsDoRequest(http, request, resource);
else
{
size_t length = 0;
if (compatsize > 0)
{
fputs("DEBUG: Sending file using HTTP/1.0 Content-Length...\n", stderr);
length = ippLength(request) + (size_t)compatsize;
}
else
fputs("DEBUG: Sending file using HTTP/1.1 chunking...\n", stderr);
http_status = cupsSendRequest(http, request, resource, length);
if (http_status == HTTP_CONTINUE && request->state == IPP_DATA)
{
if (num_files == 1)
{
if ((fd = open(files[0], O_RDONLY)) < 0)
{
_cupsLangPrintError("ERROR", _("Unable to open print file"));
return (CUPS_BACKEND_FAILED);
}
}
else
{
fd = 0;
http_status = cupsWriteRequestData(http, buffer, bytes);
}
while (http_status == HTTP_CONTINUE &&
(!job_canceled || compatsize > 0))
{
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;
}
}
if (num_files == 1)
close(fd);
}
response = cupsGetResponse(http, resource);
ippDelete(request);
}
ipp_status = cupsLastError();
fprintf(stderr, "DEBUG: %s: %s (%s)\n",
(num_files > 1 || create_job) ? "Create-Job" : "Print-Job",
ippErrorString(ipp_status), cupsLastErrorString());
if (ipp_status > IPP_OK_CONFLICT)
{
job_id = 0;
if (job_canceled)
break;
if (ipp_status == IPP_SERVICE_UNAVAILABLE ||
ipp_status == IPP_NOT_POSSIBLE ||
ipp_status == IPP_PRINTER_BUSY)
{
_cupsLangPrintFilter(stderr, "INFO", _("The printer is busy."));
sleep(10);
if (num_files == 0)
{
goto cleanup;
}
}
else if (ipp_status == IPP_ERROR_JOB_CANCELED)
goto cleanup;
else if (ipp_status == IPP_NOT_AUTHORIZED)
continue;
else
{
_cupsLangPrintFilter(stderr, "ERROR",
_("Print file was not accepted."));
if (ipp_status == IPP_FORBIDDEN ||
ipp_status == IPP_AUTHENTICATION_CANCELED)
{
const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
if (!strncmp(www_auth, "Negotiate", 9))
auth_info_required = "negotiate";
else if (www_auth[0])
auth_info_required = "username,password";
}
else if (ipp_status == IPP_REQUEST_VALUE)
{
goto cleanup;
}
else
sleep(10);
if (num_files == 0)
{
goto cleanup;
}
}
}
else if ((job_id_attr = ippFindAttribute(response, "job-id",
IPP_TAG_INTEGER)) == NULL)
{
_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
{
password_tries = 0;
monitor.job_id = job_id = job_id_attr->values[0].integer;
_cupsLangPrintFilter(stderr, "INFO",
_("Print file accepted - job ID %d."), job_id);
}
fprintf(stderr, "DEBUG: job-id=%d\n", job_id);
ippDelete(response);
if (job_canceled)
break;
if (job_id && (num_files > 1 || create_job))
{
for (i = 0; num_files == 0 || i < num_files; i ++)
{
backendCheckSideChannel(snmp_fd, http->hostaddr);
request = ippNewRequest(IPP_SEND_DOCUMENT);
request->request.op.version[0] = version / 10;
request->request.op.version[1] = version % 10;
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
NULL, uri);
ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
job_id);
if (argv[2][0])
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requesting-user-name", NULL, argv[2]);
if ((i + 1) >= num_files)
ippAddBoolean(request, IPP_TAG_OPERATION, "last-document", 1);
if (document_format)
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE,
"document-format", NULL, document_format);
fprintf(stderr, "DEBUG: Sending file %d using chunking...\n", i + 1);
http_status = cupsSendRequest(http, request, resource, 0);
if (http_status == HTTP_CONTINUE && request->state == IPP_DATA)
{
if (num_files == 0)
{
fd = 0;
http_status = cupsWriteRequestData(http, buffer, bytes);
}
else
{
if ((fd = open(files[i], O_RDONLY)) < 0)
{
_cupsLangPrintError("ERROR", _("Unable to open print file"));
return (CUPS_BACKEND_FAILED);
}
}
}
else
fd = -1;
if (fd >= 0)
{
while (!job_canceled && http_status == HTTP_CONTINUE &&
(bytes = read(fd, buffer, sizeof(buffer))) > 0)
{
if ((http_status = cupsWriteRequestData(http, buffer, bytes))
!= HTTP_CONTINUE)
break;
else
{
backendCheckSideChannel(snmp_fd, http->hostaddr);
}
}
if (fd > 0)
close(fd);
}
ippDelete(cupsGetResponse(http, resource));
ippDelete(request);
fprintf(stderr, "DEBUG: Send-Document: %s (%s)\n",
ippErrorString(cupsLastError()), cupsLastErrorString());
if (cupsLastError() > IPP_OK_CONFLICT)
{
ipp_status = cupsLastError();
_cupsLangPrintFilter(stderr, "ERROR",
_("Unable to add document to print job."));
break;
}
else
{
password_tries = 0;
if (num_files == 0 || fd < 0)
break;
}
}
}
if (ipp_status <= IPP_OK_CONFLICT && argc > 6)
{
fprintf(stderr, "PAGE: 1 %d\n", copies_sup ? atoi(argv[4]) : 1);
copies_remaining --;
}
else if (ipp_status == IPP_SERVICE_UNAVAILABLE ||
ipp_status == IPP_NOT_POSSIBLE ||
ipp_status == IPP_PRINTER_BUSY)
continue;
else if (ipp_status == IPP_REQUEST_VALUE)
{
goto cleanup;
}
else
copies_remaining --;
if (!job_id || !waitjob || !get_job_attrs)
continue;
_cupsLangPrintFilter(stderr, "INFO", _("Waiting for job to complete."));
for (delay = _cupsNextDelay(0, &prev_delay); !job_canceled;)
{
backendCheckSideChannel(snmp_fd, http->hostaddr);
request = ippNewRequest(IPP_GET_JOB_ATTRIBUTES);
request->request.op.version[0] = version / 10;
request->request.op.version[1] = version % 10;
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
NULL, uri);
ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
job_id);
if (argv[2][0])
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requesting-user-name", NULL, argv[2]);
ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"requested-attributes", sizeof(jattrs) / sizeof(jattrs[0]),
NULL, jattrs);
httpReconnect(http);
response = cupsDoRequest(http, request, resource);
ipp_status = cupsLastError();
if (ipp_status == IPP_NOT_FOUND || ipp_status == IPP_NOT_POSSIBLE)
{
update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
"cups-ipp-missing-job-history");
ippDelete(response);
ipp_status = IPP_OK;
break;
}
fprintf(stderr, "DEBUG: Get-Job-Attributes: %s (%s)\n",
ippErrorString(ipp_status), cupsLastErrorString());
if (ipp_status <= IPP_OK_CONFLICT)
password_tries = 0;
else
{
if (ipp_status != IPP_SERVICE_UNAVAILABLE &&
ipp_status != IPP_PRINTER_BUSY)
{
ippDelete(response);
ipp_status = IPP_OK;
break;
}
}
if (response)
{
if ((job_state = ippFindAttribute(response, "job-state",
IPP_TAG_ENUM)) != NULL)
{
if (cups_version &&
job_state->values[0].integer >= IPP_JOB_PENDING &&
job_state->values[0].integer <= IPP_JOB_COMPLETED)
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);
if (job_state->values[0].integer > IPP_JOB_STOPPED)
{
ippDelete(response);
break;
}
}
else if (ipp_status != IPP_SERVICE_UNAVAILABLE &&
ipp_status != IPP_NOT_POSSIBLE &&
ipp_status != IPP_PRINTER_BUSY)
{
update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
"cups-ipp-missing-job-state");
ipp_status = IPP_INTERNAL_ERROR;
break;
}
}
ippDelete(response);
sleep(delay);
delay = _cupsNextDelay(delay, &prev_delay);
}
}
if (job_canceled && job_id)
cancel_job(http, uri, job_id, resource, argv[2], version);
check_printer_state(http, uri, resource, argv[2], version);
if (have_supplies &&
!backendSNMPSupplies(snmp_fd, http->hostaddr, &page_count, NULL) &&
page_count > start_count)
fprintf(stderr, "PAGE: total %d\n", page_count - start_count);
#ifdef HAVE_GSSAPI
if (http->gssctx)
auth_info_required = "negotiate";
#endif
cleanup:
cupsFreeOptions(num_options, options);
_ppdCacheDestroy(pc);
httpClose(http);
ippDelete(supported);
if (tmpfilename[0])
unlink(tmpfilename);
#ifdef HAVE_LIBZ
if (compression)
{
for (i = 0; i < num_files; i ++)
unlink(files[i]);
}
#endif
if (ipp_status == IPP_NOT_AUTHORIZED || ipp_status == IPP_FORBIDDEN ||
ipp_status == IPP_AUTHENTICATION_CANCELED ||
ipp_status <= IPP_OK_CONFLICT)
fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required);
if (ipp_status == IPP_NOT_AUTHORIZED || ipp_status == IPP_FORBIDDEN ||
ipp_status == IPP_AUTHENTICATION_CANCELED)
return (CUPS_BACKEND_AUTH_REQUIRED);
else if (ipp_status == IPP_INTERNAL_ERROR)
return (CUPS_BACKEND_STOP);
else if (ipp_status == IPP_CONFLICT)
return (CUPS_BACKEND_FAILED);
else if (ipp_status == IPP_REQUEST_VALUE ||
ipp_status == IPP_DOCUMENT_FORMAT)
{
if (ipp_status == IPP_REQUEST_VALUE)
_cupsLangPrintFilter(stderr, "ERROR", _("Print job too large."));
else
_cupsLangPrintFilter(stderr, "ERROR",
_("Printer cannot print supplied content."));
return (CUPS_BACKEND_CANCEL);
}
else if (ipp_status > IPP_OK_CONFLICT && ipp_status != IPP_ERROR_JOB_CANCELED)
return (CUPS_BACKEND_RETRY_CURRENT);
else
{
_cupsLangPrintFilter(stderr, "INFO", _("Ready to print."));
return (CUPS_BACKEND_OK);
}
}
static void
cancel_job(http_t *http,
const char *uri,
int id,
const char *resource,
const char *user,
int version)
{
ipp_t *request;
_cupsLangPrintFilter(stderr, "INFO", _("Canceling print job."));
request = ippNewRequest(IPP_CANCEL_JOB);
request->request.op.version[0] = version / 10;
request->request.op.version[1] = version % 10;
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
NULL, uri);
ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", id);
if (user && user[0])
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requesting-user-name", NULL, user);
ippDelete(cupsDoRequest(http, request, resource));
if (cupsLastError() > IPP_OK_CONFLICT)
_cupsLangPrintFilter(stderr, "ERROR", _("Unable to cancel print job."));
}
static ipp_pstate_t
check_printer_state(
http_t *http,
const char *uri,
const char *resource,
const char *user,
int version)
{
ipp_t *request,
*response;
ipp_attribute_t *attr;
ipp_pstate_t printer_state = IPP_PRINTER_STOPPED;
request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES);
request->request.op.version[0] = version / 10;
request->request.op.version[1] = version % 10;
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
NULL, uri);
if (user && user[0])
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requesting-user-name", NULL, user);
ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"requested-attributes",
(int)(sizeof(pattrs) / sizeof(pattrs[0])), NULL, pattrs);
if ((response = cupsDoRequest(http, request, resource)) != NULL)
{
report_printer_state(response);
if ((attr = ippFindAttribute(response, "printer-state",
IPP_TAG_ENUM)) != NULL)
printer_state = (ipp_pstate_t)attr->values[0].integer;
ippDelete(response);
}
fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n",
ippErrorString(cupsLastError()), cupsLastErrorString());
if (cupsLastError() <= IPP_OK_CONFLICT)
password_tries = 0;
return (printer_state);
}
#ifdef HAVE_LIBZ
static void
compress_files(int num_files,
char **files)
{
int i,
fd;
ssize_t bytes;
size_t total;
cups_file_t *in,
*out;
struct stat outinfo;
char filename[1024],
buffer[32768];
fprintf(stderr, "DEBUG: Compressing %d job files...\n", num_files);
for (i = 0; i < num_files; i ++)
{
if ((fd = cupsTempFd(filename, sizeof(filename))) < 0)
{
_cupsLangPrintError("ERROR", _("Unable to create compressed print file"));
exit(CUPS_BACKEND_FAILED);
}
if ((out = cupsFileOpenFd(fd, "w9")) == NULL)
{
_cupsLangPrintError("ERROR", _("Unable to open compressed print file"));
exit(CUPS_BACKEND_FAILED);
}
if ((in = cupsFileOpen(files[i], "r")) == NULL)
{
_cupsLangPrintError("ERROR", _("Unable to open print file"));
cupsFileClose(out);
exit(CUPS_BACKEND_FAILED);
}
total = 0;
while ((bytes = cupsFileRead(in, buffer, sizeof(buffer))) > 0)
if (cupsFileWrite(out, buffer, bytes) < bytes)
{
_cupsLangPrintError("ERROR",
_("Unable to generate compressed print file"));
cupsFileClose(in);
cupsFileClose(out);
exit(CUPS_BACKEND_FAILED);
}
else
total += bytes;
cupsFileClose(out);
cupsFileClose(in);
files[i] = strdup(filename);
if (!stat(filename, &outinfo))
fprintf(stderr,
"DEBUG: File %d compressed to %.1f%% of original size, "
CUPS_LLFMT " bytes...\n",
i + 1, 100.0 * outinfo.st_size / total,
CUPS_LLCAST outinfo.st_size);
}
}
#endif
static void *
monitor_printer(
_cups_monitor_t *monitor)
{
http_t *http;
ipp_t *request,
*response;
ipp_attribute_t *attr;
int delay,
prev_delay;
ipp_op_t job_op;
int job_id;
const char *job_name;
ipp_jstate_t job_state;
const char *job_user;
http = _httpCreate(monitor->hostname, monitor->port, NULL, monitor->encryption,
AF_UNSPEC);
httpSetTimeout(http, 30.0, timeout_cb, NULL);
if (username[0])
cupsSetUser(username);
cupsSetPasswordCB(password_cb);
delay = _cupsNextDelay(0, &prev_delay);
while (monitor->job_state < IPP_JOB_CANCELED && !job_canceled)
{
if (!httpReconnect(http))
{
monitor->printer_state = check_printer_state(http, monitor->uri,
monitor->resource,
monitor->user,
monitor->version);
job_op = (monitor->job_id > 0 && monitor->get_job_attrs) ?
IPP_GET_JOB_ATTRIBUTES : IPP_GET_JOBS;
request = ippNewRequest(job_op);
request->request.op.version[0] = monitor->version / 10;
request->request.op.version[1] = monitor->version % 10;
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
NULL, monitor->uri);
if (job_op == IPP_GET_JOB_ATTRIBUTES)
ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
monitor->job_id);
if (monitor->user && monitor->user[0])
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requesting-user-name", NULL, monitor->user);
ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"requested-attributes",
(int)(sizeof(jattrs) / sizeof(jattrs[0])), NULL, jattrs);
response = cupsDoRequest(http, request, monitor->resource);
fprintf(stderr, "DEBUG: %s: %s (%s)\n", ippOpString(job_op),
ippErrorString(cupsLastError()), cupsLastErrorString());
if (cupsLastError() <= IPP_OK_CONFLICT)
password_tries = 0;
if (job_op == IPP_GET_JOB_ATTRIBUTES)
{
if ((attr = ippFindAttribute(response, "job-state",
IPP_TAG_ENUM)) != NULL)
monitor->job_state = (ipp_jstate_t)attr->values[0].integer;
else
monitor->job_state = IPP_JOB_COMPLETED;
}
else if (response)
{
for (attr = response->attrs; attr; attr = attr->next)
{
job_id = 0;
job_name = NULL;
job_state = IPP_JOB_PENDING;
job_user = NULL;
while (attr && attr->group_tag != IPP_TAG_JOB)
attr = attr->next;
if (!attr)
break;
while (attr && attr->group_tag == IPP_TAG_JOB)
{
if (!strcmp(attr->name, "job-id") &&
attr->value_tag == IPP_TAG_INTEGER)
job_id = attr->values[0].integer;
else if (!strcmp(attr->name, "job-name") &&
(attr->value_tag == IPP_TAG_NAME ||
attr->value_tag == IPP_TAG_NAMELANG))
job_name = attr->values[0].string.text;
else if (!strcmp(attr->name, "job-state") &&
attr->value_tag == IPP_TAG_ENUM)
job_state = attr->values[0].integer;
else if (!strcmp(attr->name, "job-originating-user-name") &&
(attr->value_tag == IPP_TAG_NAME ||
attr->value_tag == IPP_TAG_NAMELANG))
job_user = attr->values[0].string.text;
attr = attr->next;
}
if (job_id > 0 && job_name && !strcmp(job_name, monitor->job_name) &&
job_user && monitor->user && !strcmp(job_user, monitor->user))
{
monitor->job_id = job_id;
monitor->job_state = job_state;
break;
}
if (!attr)
break;
}
}
ippDelete(response);
_httpDisconnect(http);
}
sleep(delay);
delay = _cupsNextDelay(delay, &prev_delay);
}
if (job_canceled && monitor->job_id > 0)
if (!httpReconnect(http))
cancel_job(http, monitor->uri, monitor->job_id, monitor->resource,
monitor->user, monitor->version);
httpClose(http);
return (NULL);
}
static ipp_t *
new_request(
ipp_op_t op,
int version,
const char *uri,
const char *user,
const char *title,
int num_options,
cups_option_t *options,
const char *compression,
int copies,
const char *format,
_ppd_cache_t *pc,
ipp_attribute_t *media_col_sup,
ipp_attribute_t *doc_handling_sup)
{
int i;
ipp_t *request;
const char *keyword;
_pwg_size_t *size;
ipp_t *media_col,
*media_size;
const char *media_source,
*media_type,
*collate_str;
request = ippNewRequest(op);
request->request.op.version[0] = version / 10;
request->request.op.version[1] = version % 10;
fprintf(stderr, "DEBUG: %s IPP/%d.%d\n",
ippOpString(request->request.op.operation_id),
request->request.op.version[0],
request->request.op.version[1]);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
NULL, uri);
fprintf(stderr, "DEBUG: printer-uri=\"%s\"\n", uri);
if (user && *user)
{
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requesting-user-name", NULL, user);
fprintf(stderr, "DEBUG: requesting-user-name=\"%s\"\n", user);
}
if (title && *title)
{
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL,
title);
fprintf(stderr, "DEBUG: job-name=\"%s\"\n", title);
}
if (format && op != IPP_CREATE_JOB)
{
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE,
"document-format", NULL, format);
fprintf(stderr, "DEBUG: document-format=\"%s\"\n", format);
}
#ifdef HAVE_LIBZ
if (compression && op != IPP_CREATE_JOB)
{
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"compression", NULL, compression);
fprintf(stderr, "DEBUG: compression=\"%s\"\n", compression);
}
#endif
if (num_options > 0)
{
if (pc)
{
int num_finishings = 0,
finishings[10];
if ((keyword = cupsGetOption("PageSize", num_options, options)) == NULL)
keyword = cupsGetOption("media", num_options, options);
if ((size = _ppdCacheGetSize(pc, keyword)) != NULL)
{
media_size = ippNew();
ippAddInteger(media_size, IPP_TAG_ZERO, IPP_TAG_INTEGER,
"x-dimension", size->width);
ippAddInteger(media_size, IPP_TAG_ZERO, IPP_TAG_INTEGER,
"y-dimension", size->length);
media_col = ippNew();
ippAddCollection(media_col, IPP_TAG_ZERO, "media-size", media_size);
media_source = _ppdCacheGetSource(pc, cupsGetOption("InputSlot",
num_options,
options));
media_type = _ppdCacheGetType(pc, cupsGetOption("MediaType",
num_options,
options));
for (i = 0; i < media_col_sup->num_values; i ++)
{
if (!strcmp(media_col_sup->values[i].string.text,
"media-left-margin"))
ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER,
"media-left-margin", size->left);
else if (!strcmp(media_col_sup->values[i].string.text,
"media-bottom-margin"))
ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER,
"media-bottom-margin", size->bottom);
else if (!strcmp(media_col_sup->values[i].string.text,
"media-right-margin"))
ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER,
"media-right-margin", size->right);
else if (!strcmp(media_col_sup->values[i].string.text,
"media-top-margin"))
ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER,
"media-top-margin", size->top);
else if (!strcmp(media_col_sup->values[i].string.text,
"media-source") && media_source)
ippAddString(media_col, IPP_TAG_ZERO, IPP_TAG_KEYWORD,
"media-source", NULL, media_source);
else if (!strcmp(media_col_sup->values[i].string.text,
"media-type") && media_type)
ippAddString(media_col, IPP_TAG_ZERO, IPP_TAG_KEYWORD,
"media-type", NULL, media_type);
}
ippAddCollection(request, IPP_TAG_JOB, "media-col", media_col);
}
if ((keyword = cupsGetOption("output-bin", num_options,
options)) == NULL)
keyword = _ppdCacheGetBin(pc, cupsGetOption("OutputBin", num_options,
options));
if (keyword)
ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "output-bin",
NULL, keyword);
if ((keyword = cupsGetOption("output-mode", num_options,
options)) != NULL)
ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "output-mode",
NULL, keyword);
else if ((keyword = cupsGetOption("ColorModel", num_options,
options)) != NULL)
{
if (!_cups_strcasecmp(keyword, "Gray"))
ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "output-mode",
NULL, "monochrome");
else
ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "output-mode",
NULL, "color");
}
if ((keyword = cupsGetOption("print-quality", num_options,
options)) != NULL)
ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality",
atoi(keyword));
else if ((keyword = cupsGetOption("cupsPrintQuality", num_options,
options)) != NULL)
{
if (!_cups_strcasecmp(keyword, "draft"))
ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality",
IPP_QUALITY_DRAFT);
else if (!_cups_strcasecmp(keyword, "normal"))
ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality",
IPP_QUALITY_NORMAL);
else if (!_cups_strcasecmp(keyword, "high"))
ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality",
IPP_QUALITY_HIGH);
}
if ((keyword = cupsGetOption("sides", num_options, options)) != NULL)
ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides",
NULL, keyword);
else if (pc->sides_option &&
(keyword = cupsGetOption(pc->sides_option, num_options,
options)) != NULL)
{
if (!_cups_strcasecmp(keyword, pc->sides_1sided))
ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides",
NULL, "one-sided");
else if (!_cups_strcasecmp(keyword, pc->sides_2sided_long))
ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides",
NULL, "two-sided-long-edge");
if (!_cups_strcasecmp(keyword, pc->sides_2sided_short))
ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides",
NULL, "two-sided-short-edge");
}
if (doc_handling_sup &&
(!format || _cups_strncasecmp(format, "image/", 6)) &&
(keyword = cupsGetOption("collate", num_options, options)) != NULL)
{
if (!_cups_strcasecmp(keyword, "true"))
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))
{
ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD,
"multiple-document-handling", NULL, collate_str);
break;
}
}
num_finishings = _ppdCacheGetFinishingValues(pc, num_options, options,
(int)(sizeof(finishings) /
sizeof(finishings[0])),
finishings);
if (num_finishings > 0)
ippAddIntegers(request, IPP_TAG_JOB, IPP_TAG_ENUM, "finishings",
num_finishings, finishings);
if ((keyword = cupsGetOption("phone", num_options, options)) != NULL)
{
ipp_t *destination;
char tel_uri[1024];
destination = ippNew();
httpAssembleURI(HTTP_URI_CODING_ALL, tel_uri, sizeof(tel_uri), "tel",
NULL, NULL, 0, keyword);
ippAddString(destination, IPP_TAG_JOB, IPP_TAG_URI, "destination-uri",
NULL, tel_uri);
if ((keyword = cupsGetOption("faxPrefix", num_options,
options)) != NULL && *keyword)
ippAddString(destination, IPP_TAG_JOB, IPP_TAG_TEXT,
"pre-dial-string", NULL, keyword);
ippAddCollection(request, IPP_TAG_JOB, "destination-uris", destination);
ippDelete(destination);
}
}
else
{
cupsEncodeOptions2(request, num_options, options, IPP_TAG_JOB);
}
if (copies > 1)
ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_INTEGER, "copies", copies);
}
return (request);
}
static const char *
password_cb(const char *prompt)
{
fprintf(stderr, "DEBUG: password_cb(prompt=\"%s\"), password=%p, "
"password_tries=%d\n", prompt, password, password_tries);
(void)prompt;
auth_info_required = "username,password";
if (password && *password && password_tries < 3)
{
password_tries ++;
return (password);
}
else
{
return (NULL);
}
}
static void
report_attr(ipp_attribute_t *attr)
{
int i;
char value[1024],
*valptr,
*attrptr;
const char *cached;
for (i = 0, valptr = value;
i < attr->num_values && valptr < (value + sizeof(value) - 10);
i ++)
{
if (i > 0)
*valptr++ = ',';
switch (attr->value_tag)
{
case IPP_TAG_INTEGER :
case IPP_TAG_ENUM :
snprintf(valptr, sizeof(value) - (valptr - value), "%d",
attr->values[i].integer);
valptr += strlen(valptr);
break;
case IPP_TAG_TEXT :
case IPP_TAG_NAME :
case IPP_TAG_KEYWORD :
*valptr++ = '\'';
*valptr++ = '\"';
for (attrptr = attr->values[i].string.text;
*attrptr && valptr < (value + sizeof(value) - 10);
attrptr ++)
{
if (*attrptr == '\\' || *attrptr == '\"' || *attrptr == '\'')
{
*valptr++ = '\\';
*valptr++ = '\\';
*valptr++ = '\\';
}
*valptr++ = *attrptr;
}
*valptr++ = '\"';
*valptr++ = '\'';
break;
default :
return;
}
}
*valptr = '\0';
_cupsMutexLock(&report_mutex);
if ((cached = cupsGetOption(attr->name, num_attr_cache,
attr_cache)) == NULL || strcmp(cached, value))
{
num_attr_cache = cupsAddOption(attr->name, value, num_attr_cache,
&attr_cache);
fprintf(stderr, "ATTR: %s=%s\n", attr->name, value);
}
_cupsMutexUnlock(&report_mutex);
}
static void
report_printer_state(ipp_t *ipp)
{
ipp_attribute_t *pa,
*pam,
*psm,
*reasons,
*marker;
char value[1024],
*valptr;
static int ipp_supplies = -1;
if ((pa = ippFindAttribute(ipp, "printer-alert", IPP_TAG_TEXT)) != NULL)
report_attr(pa);
if ((pam = ippFindAttribute(ipp, "printer-alert-message",
IPP_TAG_TEXT)) != NULL)
report_attr(pam);
if ((psm = ippFindAttribute(ipp, "printer-state-message",
IPP_TAG_TEXT)) != NULL)
{
char *ptr;
strlcpy(value, "INFO: ", sizeof(value));
for (ptr = psm->values[0].string.text, valptr = value + 6;
*ptr && valptr < (value + sizeof(value) - 6);
ptr ++)
{
if (*ptr < ' ' && *ptr > 0 && *ptr != '\t')
{
sprintf(valptr, "<%02X>", *ptr);
valptr += 4;
}
else
*valptr++ = *ptr;
}
*valptr++ = '\n';
*valptr = '\0';
fputs(value, stderr);
}
if ((reasons = ippFindAttribute(ipp, "printer-state-reasons",
IPP_TAG_KEYWORD)) == NULL)
return;
update_reasons(reasons, NULL);
if (ipp_supplies < 0)
{
ppd_file_t *ppd;
ppd_attr_t *ppdattr;
if ((ppd = ppdOpenFile(getenv("PPD"))) != NULL &&
(ppdattr = ppdFindAttr(ppd, "cupsIPPSupplies", NULL)) != NULL &&
ppdattr->value && _cups_strcasecmp(ppdattr->value, "true"))
ipp_supplies = 0;
else
ipp_supplies = 1;
ppdClose(ppd);
}
if (ipp_supplies > 0)
{
if ((marker = ippFindAttribute(ipp, "marker-colors", IPP_TAG_NAME)) != NULL)
report_attr(marker);
if ((marker = ippFindAttribute(ipp, "marker-high-levels",
IPP_TAG_INTEGER)) != NULL)
report_attr(marker);
if ((marker = ippFindAttribute(ipp, "marker-levels",
IPP_TAG_INTEGER)) != NULL)
report_attr(marker);
if ((marker = ippFindAttribute(ipp, "marker-low-levels",
IPP_TAG_INTEGER)) != NULL)
report_attr(marker);
if ((marker = ippFindAttribute(ipp, "marker-message",
IPP_TAG_TEXT)) != NULL)
report_attr(marker);
if ((marker = ippFindAttribute(ipp, "marker-names", IPP_TAG_NAME)) != NULL)
report_attr(marker);
if ((marker = ippFindAttribute(ipp, "marker-types",
IPP_TAG_KEYWORD)) != NULL)
report_attr(marker);
}
}
#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)
{
const char *auth_negotiate;
xpc_connection_t conn;
xpc_object_t request;
__block xpc_object_t response;
dispatch_semaphore_t sem;
int status = CUPS_BACKEND_FAILED;
fprintf(stderr, "DEBUG: Running IPP backend as UID %d.\n", (int)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);
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"));
if ((auth_negotiate = getenv("AUTH_NEGOTIATE")) != NULL)
xpc_dictionary_set_string(request, "auth-negotiate", auth_negotiate);
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)
{
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;
}
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)
{
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
static void
sigterm_handler(int sig)
{
(void)sig;
#if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
if (child_pid)
{
kill(child_pid, sig);
child_pid = 0;
}
#endif
if (!job_canceled)
{
job_canceled = 1;
return;
}
if (tmpfilename[0])
unlink(tmpfilename);
exit(1);
}
static int
timeout_cb(http_t *http,
void *user_data)
{
(void)http;
(void)user_data;
return (!job_canceled);
}
static void
update_reasons(ipp_attribute_t *attr,
const char *s)
{
char op;
cups_array_t *new_reasons;
char *reason,
add[2048],
*addptr,
rem[2048],
*remptr;
const char *addprefix,
*remprefix;
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)");
if (attr)
{
int i;
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") &&
strncmp(reason, "spool-area-full", 15) &&
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;
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(&report_mutex);
if (op == '+')
{
for (reason = (char *)cupsArrayFirst(new_reasons);
reason;
reason = (char *)cupsArrayNext(new_reasons))
{
if (!cupsArrayFind(state_reasons, reason))
{
if (!strncmp(reason, "cups-remote-", 12))
{
char *temp;
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 == '-')
{
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
{
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(&report_mutex);
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);
}